(self["webpackChunkingenium"] = self["webpackChunkingenium"] || []).push([["vendor"],{

/***/ 8717:
/*!**************************************************************!*\
  !*** ./node_modules/@ionic/pwa-elements/dist/esm/loader.mjs ***!
  \**************************************************************/
/***/ ((__unused_webpack___webpack_module__, __webpack_exports__, __webpack_require__) => {

"use strict";
__webpack_require__.r(__webpack_exports__);
/* harmony export */ __webpack_require__.d(__webpack_exports__, {
/* harmony export */   "defineCustomElements": () => (/* binding */ defineCustomElements)
/* harmony export */ });
/* harmony import */ var _core_f86805ad_js__WEBPACK_IMPORTED_MODULE_0__ = __webpack_require__(/*! ./core-f86805ad.js */ 5485);


const defineCustomElements = (win, options) => {
  return (0,_core_f86805ad_js__WEBPACK_IMPORTED_MODULE_0__.a)().then(() => {
    (0,_core_f86805ad_js__WEBPACK_IMPORTED_MODULE_0__.b)([["pwa-camera-modal",[[1,"pwa-camera-modal",{"present":[64],"dismiss":[64]}]]],["pwa-action-sheet",[[1,"pwa-action-sheet",{"header":[1],"cancelable":[4],"options":[16],"open":[32]}]]],["pwa-toast",[[1,"pwa-toast",{"message":[1],"duration":[2],"closing":[32]}]]],["pwa-camera",[[1,"pwa-camera",{"facingMode":[1,"facing-mode"],"handlePhoto":[16],"handleNoDeviceError":[16],"noDevicesText":[1,"no-devices-text"],"noDevicesButtonText":[1,"no-devices-button-text"],"photo":[32],"photoSrc":[32],"showShutterOverlay":[32],"flashIndex":[32],"hasCamera":[32],"rotation":[32],"deviceError":[32]}]]],["pwa-camera-modal-instance",[[1,"pwa-camera-modal-instance",{"noDevicesText":[1,"no-devices-text"],"noDevicesButtonText":[1,"no-devices-button-text"]},[[32,"keyup","handleBackdropKeyUp"]]]]]], options);
  });
};




/***/ }),

/***/ 2404:
/*!******************************************************************!*\
  !*** ./node_modules/@ionic/pwa-elements/loader/index.es2017.mjs ***!
  \******************************************************************/
/***/ ((__unused_webpack___webpack_module__, __webpack_exports__, __webpack_require__) => {

"use strict";
__webpack_require__.r(__webpack_exports__);
/* harmony export */ __webpack_require__.d(__webpack_exports__, {
/* harmony export */   "applyPolyfills": () => (/* reexport safe */ _dist_esm_polyfills_index_js__WEBPACK_IMPORTED_MODULE_0__.applyPolyfills),
/* harmony export */   "defineCustomElements": () => (/* reexport safe */ _dist_esm_loader_mjs__WEBPACK_IMPORTED_MODULE_1__.defineCustomElements)
/* harmony export */ });
/* harmony import */ var _dist_esm_polyfills_index_js__WEBPACK_IMPORTED_MODULE_0__ = __webpack_require__(/*! ../dist/esm/polyfills/index.js */ 7520);
/* harmony import */ var _dist_esm_loader_mjs__WEBPACK_IMPORTED_MODULE_1__ = __webpack_require__(/*! ../dist/esm/loader.mjs */ 8717);





/***/ }),

/***/ 8583:
/*!**********************************************************************!*\
  !*** ./node_modules/@angular/common/__ivy_ngcc__/fesm2015/common.js ***!
  \**********************************************************************/
/***/ ((__unused_webpack_module, __webpack_exports__, __webpack_require__) => {

"use strict";
__webpack_require__.r(__webpack_exports__);
/* harmony export */ __webpack_require__.d(__webpack_exports__, {
/* harmony export */   "APP_BASE_HREF": () => (/* binding */ APP_BASE_HREF),
/* harmony export */   "AsyncPipe": () => (/* binding */ AsyncPipe),
/* harmony export */   "CommonModule": () => (/* binding */ CommonModule),
/* harmony export */   "CurrencyPipe": () => (/* binding */ CurrencyPipe),
/* harmony export */   "DOCUMENT": () => (/* binding */ DOCUMENT),
/* harmony export */   "DatePipe": () => (/* binding */ DatePipe),
/* harmony export */   "DecimalPipe": () => (/* binding */ DecimalPipe),
/* harmony export */   "FormStyle": () => (/* binding */ FormStyle),
/* harmony export */   "FormatWidth": () => (/* binding */ FormatWidth),
/* harmony export */   "HashLocationStrategy": () => (/* binding */ HashLocationStrategy),
/* harmony export */   "I18nPluralPipe": () => (/* binding */ I18nPluralPipe),
/* harmony export */   "I18nSelectPipe": () => (/* binding */ I18nSelectPipe),
/* harmony export */   "JsonPipe": () => (/* binding */ JsonPipe),
/* harmony export */   "KeyValuePipe": () => (/* binding */ KeyValuePipe),
/* harmony export */   "LOCATION_INITIALIZED": () => (/* binding */ LOCATION_INITIALIZED),
/* harmony export */   "Location": () => (/* binding */ Location),
/* harmony export */   "LocationStrategy": () => (/* binding */ LocationStrategy),
/* harmony export */   "LowerCasePipe": () => (/* binding */ LowerCasePipe),
/* harmony export */   "NgClass": () => (/* binding */ NgClass),
/* harmony export */   "NgComponentOutlet": () => (/* binding */ NgComponentOutlet),
/* harmony export */   "NgForOf": () => (/* binding */ NgForOf),
/* harmony export */   "NgForOfContext": () => (/* binding */ NgForOfContext),
/* harmony export */   "NgIf": () => (/* binding */ NgIf),
/* harmony export */   "NgIfContext": () => (/* binding */ NgIfContext),
/* harmony export */   "NgLocaleLocalization": () => (/* binding */ NgLocaleLocalization),
/* harmony export */   "NgLocalization": () => (/* binding */ NgLocalization),
/* harmony export */   "NgPlural": () => (/* binding */ NgPlural),
/* harmony export */   "NgPluralCase": () => (/* binding */ NgPluralCase),
/* harmony export */   "NgStyle": () => (/* binding */ NgStyle),
/* harmony export */   "NgSwitch": () => (/* binding */ NgSwitch),
/* harmony export */   "NgSwitchCase": () => (/* binding */ NgSwitchCase),
/* harmony export */   "NgSwitchDefault": () => (/* binding */ NgSwitchDefault),
/* harmony export */   "NgTemplateOutlet": () => (/* binding */ NgTemplateOutlet),
/* harmony export */   "NumberFormatStyle": () => (/* binding */ NumberFormatStyle),
/* harmony export */   "NumberSymbol": () => (/* binding */ NumberSymbol),
/* harmony export */   "PathLocationStrategy": () => (/* binding */ PathLocationStrategy),
/* harmony export */   "PercentPipe": () => (/* binding */ PercentPipe),
/* harmony export */   "PlatformLocation": () => (/* binding */ PlatformLocation),
/* harmony export */   "Plural": () => (/* binding */ Plural),
/* harmony export */   "SlicePipe": () => (/* binding */ SlicePipe),
/* harmony export */   "TitleCasePipe": () => (/* binding */ TitleCasePipe),
/* harmony export */   "TranslationWidth": () => (/* binding */ TranslationWidth),
/* harmony export */   "UpperCasePipe": () => (/* binding */ UpperCasePipe),
/* harmony export */   "VERSION": () => (/* binding */ VERSION),
/* harmony export */   "ViewportScroller": () => (/* binding */ ViewportScroller),
/* harmony export */   "WeekDay": () => (/* binding */ WeekDay),
/* harmony export */   "XhrFactory": () => (/* binding */ XhrFactory),
/* harmony export */   "formatCurrency": () => (/* binding */ formatCurrency),
/* harmony export */   "formatDate": () => (/* binding */ formatDate),
/* harmony export */   "formatNumber": () => (/* binding */ formatNumber),
/* harmony export */   "formatPercent": () => (/* binding */ formatPercent),
/* harmony export */   "getCurrencySymbol": () => (/* binding */ getCurrencySymbol),
/* harmony export */   "getLocaleCurrencyCode": () => (/* binding */ getLocaleCurrencyCode),
/* harmony export */   "getLocaleCurrencyName": () => (/* binding */ getLocaleCurrencyName),
/* harmony export */   "getLocaleCurrencySymbol": () => (/* binding */ getLocaleCurrencySymbol),
/* harmony export */   "getLocaleDateFormat": () => (/* binding */ getLocaleDateFormat),
/* harmony export */   "getLocaleDateTimeFormat": () => (/* binding */ getLocaleDateTimeFormat),
/* harmony export */   "getLocaleDayNames": () => (/* binding */ getLocaleDayNames),
/* harmony export */   "getLocaleDayPeriods": () => (/* binding */ getLocaleDayPeriods),
/* harmony export */   "getLocaleDirection": () => (/* binding */ getLocaleDirection),
/* harmony export */   "getLocaleEraNames": () => (/* binding */ getLocaleEraNames),
/* harmony export */   "getLocaleExtraDayPeriodRules": () => (/* binding */ getLocaleExtraDayPeriodRules),
/* harmony export */   "getLocaleExtraDayPeriods": () => (/* binding */ getLocaleExtraDayPeriods),
/* harmony export */   "getLocaleFirstDayOfWeek": () => (/* binding */ getLocaleFirstDayOfWeek),
/* harmony export */   "getLocaleId": () => (/* binding */ getLocaleId),
/* harmony export */   "getLocaleMonthNames": () => (/* binding */ getLocaleMonthNames),
/* harmony export */   "getLocaleNumberFormat": () => (/* binding */ getLocaleNumberFormat),
/* harmony export */   "getLocaleNumberSymbol": () => (/* binding */ getLocaleNumberSymbol),
/* harmony export */   "getLocalePluralCase": () => (/* binding */ getLocalePluralCase),
/* harmony export */   "getLocaleTimeFormat": () => (/* binding */ getLocaleTimeFormat),
/* harmony export */   "getLocaleWeekEndRange": () => (/* binding */ getLocaleWeekEndRange),
/* harmony export */   "getNumberOfCurrencyDigits": () => (/* binding */ getNumberOfCurrencyDigits),
/* harmony export */   "isPlatformBrowser": () => (/* binding */ isPlatformBrowser),
/* harmony export */   "isPlatformServer": () => (/* binding */ isPlatformServer),
/* harmony export */   "isPlatformWorkerApp": () => (/* binding */ isPlatformWorkerApp),
/* harmony export */   "isPlatformWorkerUi": () => (/* binding */ isPlatformWorkerUi),
/* harmony export */   "registerLocaleData": () => (/* binding */ registerLocaleData),
/* harmony export */   "ɵBrowserPlatformLocation": () => (/* binding */ BrowserPlatformLocation),
/* harmony export */   "ɵDomAdapter": () => (/* binding */ DomAdapter),
/* harmony export */   "ɵNullViewportScroller": () => (/* binding */ NullViewportScroller),
/* harmony export */   "ɵPLATFORM_BROWSER_ID": () => (/* binding */ PLATFORM_BROWSER_ID),
/* harmony export */   "ɵPLATFORM_SERVER_ID": () => (/* binding */ PLATFORM_SERVER_ID),
/* harmony export */   "ɵPLATFORM_WORKER_APP_ID": () => (/* binding */ PLATFORM_WORKER_APP_ID),
/* harmony export */   "ɵPLATFORM_WORKER_UI_ID": () => (/* binding */ PLATFORM_WORKER_UI_ID),
/* harmony export */   "ɵangular_packages_common_common_a": () => (/* binding */ useBrowserPlatformLocation),
/* harmony export */   "ɵangular_packages_common_common_b": () => (/* binding */ createBrowserPlatformLocation),
/* harmony export */   "ɵangular_packages_common_common_c": () => (/* binding */ createLocation),
/* harmony export */   "ɵangular_packages_common_common_d": () => (/* binding */ provideLocationStrategy),
/* harmony export */   "ɵangular_packages_common_common_e": () => (/* binding */ COMMON_DIRECTIVES),
/* harmony export */   "ɵangular_packages_common_common_f": () => (/* binding */ COMMON_PIPES),
/* harmony export */   "ɵgetDOM": () => (/* binding */ getDOM),
/* harmony export */   "ɵparseCookieValue": () => (/* binding */ parseCookieValue),
/* harmony export */   "ɵsetRootDomAdapter": () => (/* binding */ setRootDomAdapter)
/* harmony export */ });
/* harmony import */ var _angular_core__WEBPACK_IMPORTED_MODULE_0__ = __webpack_require__(/*! @angular/core */ 7716);
/**
 * @license Angular v12.1.5
 * (c) 2010-2021 Google LLC. https://angular.io/
 * License: MIT
 */



/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */

let _DOM = null;
function getDOM() {
    return _DOM;
}
function setDOM(adapter) {
    _DOM = adapter;
}
function setRootDomAdapter(adapter) {
    if (!_DOM) {
        _DOM = adapter;
    }
}
/* tslint:disable:requireParameterType */
/**
 * Provides DOM operations in an environment-agnostic way.
 *
 * @security Tread carefully! Interacting with the DOM directly is dangerous and
 * can introduce XSS risks.
 */
class DomAdapter {
}

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
/**
 * A DI Token representing the main rendering context. In a browser this is the DOM Document.
 *
 * Note: Document might not be available in the Application Context when Application and Rendering
 * Contexts are not the same (e.g. when running the application in a Web Worker).
 *
 * @publicApi
 */
const DOCUMENT = new _angular_core__WEBPACK_IMPORTED_MODULE_0__.InjectionToken('DocumentToken');

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
/**
 * This class should not be used directly by an application developer. Instead, use
 * {@link Location}.
 *
 * `PlatformLocation` encapsulates all calls to DOM APIs, which allows the Router to be
 * platform-agnostic.
 * This means that we can have different implementation of `PlatformLocation` for the different
 * platforms that Angular supports. For example, `@angular/platform-browser` provides an
 * implementation specific to the browser environment, while `@angular/platform-server` provides
 * one suitable for use with server-side rendering.
 *
 * The `PlatformLocation` class is used directly by all implementations of {@link LocationStrategy}
 * when they need to interact with the DOM APIs like pushState, popState, etc.
 *
 * {@link LocationStrategy} in turn is used by the {@link Location} service which is used directly
 * by the {@link Router} in order to navigate between routes. Since all interactions between {@link
 * Router} /
 * {@link Location} / {@link LocationStrategy} and DOM APIs flow through the `PlatformLocation`
 * class, they are all platform-agnostic.
 *
 * @publicApi
 */
class PlatformLocation {
    historyGo(relativePosition) {
        throw new Error('Not implemented');
    }
}
PlatformLocation.ɵfac = function PlatformLocation_Factory(t) { return new (t || PlatformLocation)(); };
PlatformLocation.ɵprov = (0,_angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵɵdefineInjectable"])({ factory: useBrowserPlatformLocation, token: PlatformLocation, providedIn: "platform" });
(function () { (typeof ngDevMode === "undefined" || ngDevMode) && _angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵsetClassMetadata"](PlatformLocation, [{
        type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Injectable,
        args: [{
                providedIn: 'platform',
                // See #23917
                useFactory: useBrowserPlatformLocation
            }]
    }], null, null); })();
function useBrowserPlatformLocation() {
    return (0,_angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵɵinject"])(BrowserPlatformLocation);
}
/**
 * @description
 * Indicates when a location is initialized.
 *
 * @publicApi
 */
const LOCATION_INITIALIZED = new _angular_core__WEBPACK_IMPORTED_MODULE_0__.InjectionToken('Location Initialized');
/**
 * `PlatformLocation` encapsulates all of the direct calls to platform APIs.
 * This class should not be used directly by an application developer. Instead, use
 * {@link Location}.
 */
class BrowserPlatformLocation extends PlatformLocation {
    constructor(_doc) {
        super();
        this._doc = _doc;
        this._init();
    }
    // This is moved to its own method so that `MockPlatformLocationStrategy` can overwrite it
    /** @internal */
    _init() {
        this.location = window.location;
        this._history = window.history;
    }
    getBaseHrefFromDOM() {
        return getDOM().getBaseHref(this._doc);
    }
    onPopState(fn) {
        const window = getDOM().getGlobalEventTarget(this._doc, 'window');
        window.addEventListener('popstate', fn, false);
        return () => window.removeEventListener('popstate', fn);
    }
    onHashChange(fn) {
        const window = getDOM().getGlobalEventTarget(this._doc, 'window');
        window.addEventListener('hashchange', fn, false);
        return () => window.removeEventListener('hashchange', fn);
    }
    get href() {
        return this.location.href;
    }
    get protocol() {
        return this.location.protocol;
    }
    get hostname() {
        return this.location.hostname;
    }
    get port() {
        return this.location.port;
    }
    get pathname() {
        return this.location.pathname;
    }
    get search() {
        return this.location.search;
    }
    get hash() {
        return this.location.hash;
    }
    set pathname(newPath) {
        this.location.pathname = newPath;
    }
    pushState(state, title, url) {
        if (supportsState()) {
            this._history.pushState(state, title, url);
        }
        else {
            this.location.hash = url;
        }
    }
    replaceState(state, title, url) {
        if (supportsState()) {
            this._history.replaceState(state, title, url);
        }
        else {
            this.location.hash = url;
        }
    }
    forward() {
        this._history.forward();
    }
    back() {
        this._history.back();
    }
    historyGo(relativePosition = 0) {
        this._history.go(relativePosition);
    }
    getState() {
        return this._history.state;
    }
}
BrowserPlatformLocation.ɵfac = function BrowserPlatformLocation_Factory(t) { return new (t || BrowserPlatformLocation)(_angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵɵinject"](DOCUMENT)); };
BrowserPlatformLocation.ɵprov = (0,_angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵɵdefineInjectable"])({ factory: createBrowserPlatformLocation, token: BrowserPlatformLocation, providedIn: "platform" });
BrowserPlatformLocation.ctorParameters = () => [
    { type: undefined, decorators: [{ type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Inject, args: [DOCUMENT,] }] }
];
(function () { (typeof ngDevMode === "undefined" || ngDevMode) && _angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵsetClassMetadata"](BrowserPlatformLocation, [{
        type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Injectable,
        args: [{
                providedIn: 'platform',
                // See #23917
                useFactory: createBrowserPlatformLocation
            }]
    }], function () { return [{ type: undefined, decorators: [{
                type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Inject,
                args: [DOCUMENT]
            }] }]; }, null); })();
function supportsState() {
    return !!window.history.pushState;
}
function createBrowserPlatformLocation() {
    return new BrowserPlatformLocation((0,_angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵɵinject"])(DOCUMENT));
}

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
/**
 * Joins two parts of a URL with a slash if needed.
 *
 * @param start  URL string
 * @param end    URL string
 *
 *
 * @returns The joined URL string.
 */
function joinWithSlash(start, end) {
    if (start.length == 0) {
        return end;
    }
    if (end.length == 0) {
        return start;
    }
    let slashes = 0;
    if (start.endsWith('/')) {
        slashes++;
    }
    if (end.startsWith('/')) {
        slashes++;
    }
    if (slashes == 2) {
        return start + end.substring(1);
    }
    if (slashes == 1) {
        return start + end;
    }
    return start + '/' + end;
}
/**
 * Removes a trailing slash from a URL string if needed.
 * Looks for the first occurrence of either `#`, `?`, or the end of the
 * line as `/` characters and removes the trailing slash if one exists.
 *
 * @param url URL string.
 *
 * @returns The URL string, modified if needed.
 */
function stripTrailingSlash(url) {
    const match = url.match(/#|\?|$/);
    const pathEndIdx = match && match.index || url.length;
    const droppedSlashIdx = pathEndIdx - (url[pathEndIdx - 1] === '/' ? 1 : 0);
    return url.slice(0, droppedSlashIdx) + url.slice(pathEndIdx);
}
/**
 * Normalizes URL parameters by prepending with `?` if needed.
 *
 * @param  params String of URL parameters.
 *
 * @returns The normalized URL parameters string.
 */
function normalizeQueryParams(params) {
    return params && params[0] !== '?' ? '?' + params : params;
}

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
/**
 * Enables the `Location` service to read route state from the browser's URL.
 * Angular provides two strategies:
 * `HashLocationStrategy` and `PathLocationStrategy`.
 *
 * Applications should use the `Router` or `Location` services to
 * interact with application route state.
 *
 * For instance, `HashLocationStrategy` produces URLs like
 * <code class="no-auto-link">http://example.com#/foo</code>,
 * and `PathLocationStrategy` produces
 * <code class="no-auto-link">http://example.com/foo</code> as an equivalent URL.
 *
 * See these two classes for more.
 *
 * @publicApi
 */
class LocationStrategy {
    historyGo(relativePosition) {
        throw new Error('Not implemented');
    }
}
LocationStrategy.ɵfac = function LocationStrategy_Factory(t) { return new (t || LocationStrategy)(); };
LocationStrategy.ɵprov = (0,_angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵɵdefineInjectable"])({ factory: provideLocationStrategy, token: LocationStrategy, providedIn: "root" });
(function () { (typeof ngDevMode === "undefined" || ngDevMode) && _angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵsetClassMetadata"](LocationStrategy, [{
        type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Injectable,
        args: [{ providedIn: 'root', useFactory: provideLocationStrategy }]
    }], null, null); })();
function provideLocationStrategy(platformLocation) {
    // See #23917
    const location = (0,_angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵɵinject"])(DOCUMENT).location;
    return new PathLocationStrategy((0,_angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵɵinject"])(PlatformLocation), location && location.origin || '');
}
/**
 * A predefined [DI token](guide/glossary#di-token) for the base href
 * to be used with the `PathLocationStrategy`.
 * The base href is the URL prefix that should be preserved when generating
 * and recognizing URLs.
 *
 * @usageNotes
 *
 * The following example shows how to use this token to configure the root app injector
 * with a base href value, so that the DI framework can supply the dependency anywhere in the app.
 *
 * ```typescript
 * import {Component, NgModule} from '@angular/core';
 * import {APP_BASE_HREF} from '@angular/common';
 *
 * @NgModule({
 *   providers: [{provide: APP_BASE_HREF, useValue: '/my/app'}]
 * })
 * class AppModule {}
 * ```
 *
 * @publicApi
 */
const APP_BASE_HREF = new _angular_core__WEBPACK_IMPORTED_MODULE_0__.InjectionToken('appBaseHref');
/**
 * @description
 * A {@link LocationStrategy} used to configure the {@link Location} service to
 * represent its state in the
 * [path](https://en.wikipedia.org/wiki/Uniform_Resource_Locator#Syntax) of the
 * browser's URL.
 *
 * If you're using `PathLocationStrategy`, you must provide a {@link APP_BASE_HREF}
 * or add a `<base href>` element to the document.
 *
 * For instance, if you provide an `APP_BASE_HREF` of `'/my/app/'` and call
 * `location.go('/foo')`, the browser's URL will become
 * `example.com/my/app/foo`. To ensure all relative URIs resolve correctly,
 * the `<base href>` and/or `APP_BASE_HREF` should end with a `/`.
 *
 * Similarly, if you add `<base href='/my/app/'/>` to the document and call
 * `location.go('/foo')`, the browser's URL will become
 * `example.com/my/app/foo`.
 *
 * Note that when using `PathLocationStrategy`, neither the query nor
 * the fragment in the `<base href>` will be preserved, as outlined
 * by the [RFC](https://tools.ietf.org/html/rfc3986#section-5.2.2).
 *
 * @usageNotes
 *
 * ### Example
 *
 * {@example common/location/ts/path_location_component.ts region='LocationComponent'}
 *
 * @publicApi
 */
class PathLocationStrategy extends LocationStrategy {
    constructor(_platformLocation, href) {
        super();
        this._platformLocation = _platformLocation;
        this._removeListenerFns = [];
        if (href == null) {
            href = this._platformLocation.getBaseHrefFromDOM();
        }
        if (href == null) {
            throw new Error(`No base href set. Please provide a value for the APP_BASE_HREF token or add a base element to the document.`);
        }
        this._baseHref = href;
    }
    ngOnDestroy() {
        while (this._removeListenerFns.length) {
            this._removeListenerFns.pop()();
        }
    }
    onPopState(fn) {
        this._removeListenerFns.push(this._platformLocation.onPopState(fn), this._platformLocation.onHashChange(fn));
    }
    getBaseHref() {
        return this._baseHref;
    }
    prepareExternalUrl(internal) {
        return joinWithSlash(this._baseHref, internal);
    }
    path(includeHash = false) {
        const pathname = this._platformLocation.pathname + normalizeQueryParams(this._platformLocation.search);
        const hash = this._platformLocation.hash;
        return hash && includeHash ? `${pathname}${hash}` : pathname;
    }
    pushState(state, title, url, queryParams) {
        const externalUrl = this.prepareExternalUrl(url + normalizeQueryParams(queryParams));
        this._platformLocation.pushState(state, title, externalUrl);
    }
    replaceState(state, title, url, queryParams) {
        const externalUrl = this.prepareExternalUrl(url + normalizeQueryParams(queryParams));
        this._platformLocation.replaceState(state, title, externalUrl);
    }
    forward() {
        this._platformLocation.forward();
    }
    back() {
        this._platformLocation.back();
    }
    historyGo(relativePosition = 0) {
        var _a, _b;
        (_b = (_a = this._platformLocation).historyGo) === null || _b === void 0 ? void 0 : _b.call(_a, relativePosition);
    }
}
PathLocationStrategy.ɵfac = function PathLocationStrategy_Factory(t) { return new (t || PathLocationStrategy)(_angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵɵinject"](PlatformLocation), _angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵɵinject"](APP_BASE_HREF, 8)); };
PathLocationStrategy.ɵprov = /*@__PURE__*/ _angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵɵdefineInjectable"]({ token: PathLocationStrategy, factory: PathLocationStrategy.ɵfac });
PathLocationStrategy.ctorParameters = () => [
    { type: PlatformLocation },
    { type: String, decorators: [{ type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Optional }, { type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Inject, args: [APP_BASE_HREF,] }] }
];
(function () { (typeof ngDevMode === "undefined" || ngDevMode) && _angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵsetClassMetadata"](PathLocationStrategy, [{
        type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Injectable
    }], function () { return [{ type: PlatformLocation }, { type: String, decorators: [{
                type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Optional
            }, {
                type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Inject,
                args: [APP_BASE_HREF]
            }] }]; }, null); })();

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
/**
 * @description
 * A {@link LocationStrategy} used to configure the {@link Location} service to
 * represent its state in the
 * [hash fragment](https://en.wikipedia.org/wiki/Uniform_Resource_Locator#Syntax)
 * of the browser's URL.
 *
 * For instance, if you call `location.go('/foo')`, the browser's URL will become
 * `example.com#/foo`.
 *
 * @usageNotes
 *
 * ### Example
 *
 * {@example common/location/ts/hash_location_component.ts region='LocationComponent'}
 *
 * @publicApi
 */
class HashLocationStrategy extends LocationStrategy {
    constructor(_platformLocation, _baseHref) {
        super();
        this._platformLocation = _platformLocation;
        this._baseHref = '';
        this._removeListenerFns = [];
        if (_baseHref != null) {
            this._baseHref = _baseHref;
        }
    }
    ngOnDestroy() {
        while (this._removeListenerFns.length) {
            this._removeListenerFns.pop()();
        }
    }
    onPopState(fn) {
        this._removeListenerFns.push(this._platformLocation.onPopState(fn), this._platformLocation.onHashChange(fn));
    }
    getBaseHref() {
        return this._baseHref;
    }
    path(includeHash = false) {
        // the hash value is always prefixed with a `#`
        // and if it is empty then it will stay empty
        let path = this._platformLocation.hash;
        if (path == null)
            path = '#';
        return path.length > 0 ? path.substring(1) : path;
    }
    prepareExternalUrl(internal) {
        const url = joinWithSlash(this._baseHref, internal);
        return url.length > 0 ? ('#' + url) : url;
    }
    pushState(state, title, path, queryParams) {
        let url = this.prepareExternalUrl(path + normalizeQueryParams(queryParams));
        if (url.length == 0) {
            url = this._platformLocation.pathname;
        }
        this._platformLocation.pushState(state, title, url);
    }
    replaceState(state, title, path, queryParams) {
        let url = this.prepareExternalUrl(path + normalizeQueryParams(queryParams));
        if (url.length == 0) {
            url = this._platformLocation.pathname;
        }
        this._platformLocation.replaceState(state, title, url);
    }
    forward() {
        this._platformLocation.forward();
    }
    back() {
        this._platformLocation.back();
    }
    historyGo(relativePosition = 0) {
        var _a, _b;
        (_b = (_a = this._platformLocation).historyGo) === null || _b === void 0 ? void 0 : _b.call(_a, relativePosition);
    }
}
HashLocationStrategy.ɵfac = function HashLocationStrategy_Factory(t) { return new (t || HashLocationStrategy)(_angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵɵinject"](PlatformLocation), _angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵɵinject"](APP_BASE_HREF, 8)); };
HashLocationStrategy.ɵprov = /*@__PURE__*/ _angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵɵdefineInjectable"]({ token: HashLocationStrategy, factory: HashLocationStrategy.ɵfac });
HashLocationStrategy.ctorParameters = () => [
    { type: PlatformLocation },
    { type: String, decorators: [{ type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Optional }, { type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Inject, args: [APP_BASE_HREF,] }] }
];
(function () { (typeof ngDevMode === "undefined" || ngDevMode) && _angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵsetClassMetadata"](HashLocationStrategy, [{
        type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Injectable
    }], function () { return [{ type: PlatformLocation }, { type: String, decorators: [{
                type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Optional
            }, {
                type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Inject,
                args: [APP_BASE_HREF]
            }] }]; }, null); })();

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
/**
 * @description
 *
 * A service that applications can use to interact with a browser's URL.
 *
 * Depending on the `LocationStrategy` used, `Location` persists
 * to the URL's path or the URL's hash segment.
 *
 * @usageNotes
 *
 * It's better to use the `Router.navigate()` service to trigger route changes. Use
 * `Location` only if you need to interact with or create normalized URLs outside of
 * routing.
 *
 * `Location` is responsible for normalizing the URL against the application's base href.
 * A normalized URL is absolute from the URL host, includes the application's base href, and has no
 * trailing slash:
 * - `/my/app/user/123` is normalized
 * - `my/app/user/123` **is not** normalized
 * - `/my/app/user/123/` **is not** normalized
 *
 * ### Example
 *
 * <code-example path='common/location/ts/path_location_component.ts'
 * region='LocationComponent'></code-example>
 *
 * @publicApi
 */
class Location {
    constructor(platformStrategy, platformLocation) {
        /** @internal */
        this._subject = new _angular_core__WEBPACK_IMPORTED_MODULE_0__.EventEmitter();
        /** @internal */
        this._urlChangeListeners = [];
        this._platformStrategy = platformStrategy;
        const browserBaseHref = this._platformStrategy.getBaseHref();
        this._platformLocation = platformLocation;
        this._baseHref = stripTrailingSlash(_stripIndexHtml(browserBaseHref));
        this._platformStrategy.onPopState((ev) => {
            this._subject.emit({
                'url': this.path(true),
                'pop': true,
                'state': ev.state,
                'type': ev.type,
            });
        });
    }
    /**
     * Normalizes the URL path for this location.
     *
     * @param includeHash True to include an anchor fragment in the path.
     *
     * @returns The normalized URL path.
     */
    // TODO: vsavkin. Remove the boolean flag and always include hash once the deprecated router is
    // removed.
    path(includeHash = false) {
        return this.normalize(this._platformStrategy.path(includeHash));
    }
    /**
     * Reports the current state of the location history.
     * @returns The current value of the `history.state` object.
     */
    getState() {
        return this._platformLocation.getState();
    }
    /**
     * Normalizes the given path and compares to the current normalized path.
     *
     * @param path The given URL path.
     * @param query Query parameters.
     *
     * @returns True if the given URL path is equal to the current normalized path, false
     * otherwise.
     */
    isCurrentPathEqualTo(path, query = '') {
        return this.path() == this.normalize(path + normalizeQueryParams(query));
    }
    /**
     * Normalizes a URL path by stripping any trailing slashes.
     *
     * @param url String representing a URL.
     *
     * @returns The normalized URL string.
     */
    normalize(url) {
        return Location.stripTrailingSlash(_stripBaseHref(this._baseHref, _stripIndexHtml(url)));
    }
    /**
     * Normalizes an external URL path.
     * If the given URL doesn't begin with a leading slash (`'/'`), adds one
     * before normalizing. Adds a hash if `HashLocationStrategy` is
     * in use, or the `APP_BASE_HREF` if the `PathLocationStrategy` is in use.
     *
     * @param url String representing a URL.
     *
     * @returns  A normalized platform-specific URL.
     */
    prepareExternalUrl(url) {
        if (url && url[0] !== '/') {
            url = '/' + url;
        }
        return this._platformStrategy.prepareExternalUrl(url);
    }
    // TODO: rename this method to pushState
    /**
     * Changes the browser's URL to a normalized version of a given URL, and pushes a
     * new item onto the platform's history.
     *
     * @param path  URL path to normalize.
     * @param query Query parameters.
     * @param state Location history state.
     *
     */
    go(path, query = '', state = null) {
        this._platformStrategy.pushState(state, '', path, query);
        this._notifyUrlChangeListeners(this.prepareExternalUrl(path + normalizeQueryParams(query)), state);
    }
    /**
     * Changes the browser's URL to a normalized version of the given URL, and replaces
     * the top item on the platform's history stack.
     *
     * @param path  URL path to normalize.
     * @param query Query parameters.
     * @param state Location history state.
     */
    replaceState(path, query = '', state = null) {
        this._platformStrategy.replaceState(state, '', path, query);
        this._notifyUrlChangeListeners(this.prepareExternalUrl(path + normalizeQueryParams(query)), state);
    }
    /**
     * Navigates forward in the platform's history.
     */
    forward() {
        this._platformStrategy.forward();
    }
    /**
     * Navigates back in the platform's history.
     */
    back() {
        this._platformStrategy.back();
    }
    /**
     * Navigate to a specific page from session history, identified by its relative position to the
     * current page.
     *
     * @param relativePosition  Position of the target page in the history relative to the current
     *     page.
     * A negative value moves backwards, a positive value moves forwards, e.g. `location.historyGo(2)`
     * moves forward two pages and `location.historyGo(-2)` moves back two pages. When we try to go
     * beyond what's stored in the history session, we stay in the current page. Same behaviour occurs
     * when `relativePosition` equals 0.
     * @see https://developer.mozilla.org/en-US/docs/Web/API/History_API#Moving_to_a_specific_point_in_history
     */
    historyGo(relativePosition = 0) {
        var _a, _b;
        (_b = (_a = this._platformStrategy).historyGo) === null || _b === void 0 ? void 0 : _b.call(_a, relativePosition);
    }
    /**
     * Registers a URL change listener. Use to catch updates performed by the Angular
     * framework that are not detectible through "popstate" or "hashchange" events.
     *
     * @param fn The change handler function, which take a URL and a location history state.
     */
    onUrlChange(fn) {
        this._urlChangeListeners.push(fn);
        if (!this._urlChangeSubscription) {
            this._urlChangeSubscription = this.subscribe(v => {
                this._notifyUrlChangeListeners(v.url, v.state);
            });
        }
    }
    /** @internal */
    _notifyUrlChangeListeners(url = '', state) {
        this._urlChangeListeners.forEach(fn => fn(url, state));
    }
    /**
     * Subscribes to the platform's `popState` events.
     *
     * Note: `Location.go()` does not trigger the `popState` event in the browser. Use
     * `Location.onUrlChange()` to subscribe to URL changes instead.
     *
     * @param value Event that is triggered when the state history changes.
     * @param exception The exception to throw.
     *
     * @see [onpopstate](https://developer.mozilla.org/en-US/docs/Web/API/WindowEventHandlers/onpopstate)
     *
     * @returns Subscribed events.
     */
    subscribe(onNext, onThrow, onReturn) {
        return this._subject.subscribe({ next: onNext, error: onThrow, complete: onReturn });
    }
}
Location.ɵfac = function Location_Factory(t) { return new (t || Location)(_angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵɵinject"](LocationStrategy), _angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵɵinject"](PlatformLocation)); };
/**
 * Normalizes URL parameters by prepending with `?` if needed.
 *
 * @param  params String of URL parameters.
 *
 * @returns The normalized URL parameters string.
 */
Location.normalizeQueryParams = normalizeQueryParams;
/**
 * Joins two parts of a URL with a slash if needed.
 *
 * @param start  URL string
 * @param end    URL string
 *
 *
 * @returns The joined URL string.
 */
Location.joinWithSlash = joinWithSlash;
/**
 * Removes a trailing slash from a URL string if needed.
 * Looks for the first occurrence of either `#`, `?`, or the end of the
 * line as `/` characters and removes the trailing slash if one exists.
 *
 * @param url URL string.
 *
 * @returns The URL string, modified if needed.
 */
Location.stripTrailingSlash = stripTrailingSlash;
Location.ɵprov = (0,_angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵɵdefineInjectable"])({ factory: createLocation, token: Location, providedIn: "root" });
Location.ctorParameters = () => [
    { type: LocationStrategy },
    { type: PlatformLocation }
];
(function () { (typeof ngDevMode === "undefined" || ngDevMode) && _angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵsetClassMetadata"](Location, [{
        type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Injectable,
        args: [{
                providedIn: 'root',
                // See #23917
                useFactory: createLocation
            }]
    }], function () { return [{ type: LocationStrategy }, { type: PlatformLocation }]; }, null); })();
function createLocation() {
    return new Location((0,_angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵɵinject"])(LocationStrategy), (0,_angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵɵinject"])(PlatformLocation));
}
function _stripBaseHref(baseHref, url) {
    return baseHref && url.startsWith(baseHref) ? url.substring(baseHref.length) : url;
}
function _stripIndexHtml(url) {
    return url.replace(/\/index.html$/, '');
}

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
/** @internal */
const CURRENCIES_EN = {
    'ADP': [undefined, undefined, 0],
    'AFN': [undefined, undefined, 0],
    'ALL': [undefined, undefined, 0],
    'AMD': [undefined, undefined, 2],
    'AOA': [undefined, 'Kz'],
    'ARS': [undefined, '$'],
    'AUD': ['A$', '$'],
    'BAM': [undefined, 'KM'],
    'BBD': [undefined, '$'],
    'BDT': [undefined, '৳'],
    'BHD': [undefined, undefined, 3],
    'BIF': [undefined, undefined, 0],
    'BMD': [undefined, '$'],
    'BND': [undefined, '$'],
    'BOB': [undefined, 'Bs'],
    'BRL': ['R$'],
    'BSD': [undefined, '$'],
    'BWP': [undefined, 'P'],
    'BYN': [undefined, 'р.', 2],
    'BYR': [undefined, undefined, 0],
    'BZD': [undefined, '$'],
    'CAD': ['CA$', '$', 2],
    'CHF': [undefined, undefined, 2],
    'CLF': [undefined, undefined, 4],
    'CLP': [undefined, '$', 0],
    'CNY': ['CN¥', '¥'],
    'COP': [undefined, '$', 2],
    'CRC': [undefined, '₡', 2],
    'CUC': [undefined, '$'],
    'CUP': [undefined, '$'],
    'CZK': [undefined, 'Kč', 2],
    'DJF': [undefined, undefined, 0],
    'DKK': [undefined, 'kr', 2],
    'DOP': [undefined, '$'],
    'EGP': [undefined, 'E£'],
    'ESP': [undefined, '₧', 0],
    'EUR': ['€'],
    'FJD': [undefined, '$'],
    'FKP': [undefined, '£'],
    'GBP': ['£'],
    'GEL': [undefined, '₾'],
    'GIP': [undefined, '£'],
    'GNF': [undefined, 'FG', 0],
    'GTQ': [undefined, 'Q'],
    'GYD': [undefined, '$', 2],
    'HKD': ['HK$', '$'],
    'HNL': [undefined, 'L'],
    'HRK': [undefined, 'kn'],
    'HUF': [undefined, 'Ft', 2],
    'IDR': [undefined, 'Rp', 2],
    'ILS': ['₪'],
    'INR': ['₹'],
    'IQD': [undefined, undefined, 0],
    'IRR': [undefined, undefined, 0],
    'ISK': [undefined, 'kr', 0],
    'ITL': [undefined, undefined, 0],
    'JMD': [undefined, '$'],
    'JOD': [undefined, undefined, 3],
    'JPY': ['¥', undefined, 0],
    'KHR': [undefined, '៛'],
    'KMF': [undefined, 'CF', 0],
    'KPW': [undefined, '₩', 0],
    'KRW': ['₩', undefined, 0],
    'KWD': [undefined, undefined, 3],
    'KYD': [undefined, '$'],
    'KZT': [undefined, '₸'],
    'LAK': [undefined, '₭', 0],
    'LBP': [undefined, 'L£', 0],
    'LKR': [undefined, 'Rs'],
    'LRD': [undefined, '$'],
    'LTL': [undefined, 'Lt'],
    'LUF': [undefined, undefined, 0],
    'LVL': [undefined, 'Ls'],
    'LYD': [undefined, undefined, 3],
    'MGA': [undefined, 'Ar', 0],
    'MGF': [undefined, undefined, 0],
    'MMK': [undefined, 'K', 0],
    'MNT': [undefined, '₮', 2],
    'MRO': [undefined, undefined, 0],
    'MUR': [undefined, 'Rs', 2],
    'MXN': ['MX$', '$'],
    'MYR': [undefined, 'RM'],
    'NAD': [undefined, '$'],
    'NGN': [undefined, '₦'],
    'NIO': [undefined, 'C$'],
    'NOK': [undefined, 'kr', 2],
    'NPR': [undefined, 'Rs'],
    'NZD': ['NZ$', '$'],
    'OMR': [undefined, undefined, 3],
    'PHP': [undefined, '₱'],
    'PKR': [undefined, 'Rs', 2],
    'PLN': [undefined, 'zł'],
    'PYG': [undefined, '₲', 0],
    'RON': [undefined, 'lei'],
    'RSD': [undefined, undefined, 0],
    'RUB': [undefined, '₽'],
    'RUR': [undefined, 'р.'],
    'RWF': [undefined, 'RF', 0],
    'SBD': [undefined, '$'],
    'SEK': [undefined, 'kr', 2],
    'SGD': [undefined, '$'],
    'SHP': [undefined, '£'],
    'SLL': [undefined, undefined, 0],
    'SOS': [undefined, undefined, 0],
    'SRD': [undefined, '$'],
    'SSP': [undefined, '£'],
    'STD': [undefined, undefined, 0],
    'STN': [undefined, 'Db'],
    'SYP': [undefined, '£', 0],
    'THB': [undefined, '฿'],
    'TMM': [undefined, undefined, 0],
    'TND': [undefined, undefined, 3],
    'TOP': [undefined, 'T$'],
    'TRL': [undefined, undefined, 0],
    'TRY': [undefined, '₺'],
    'TTD': [undefined, '$'],
    'TWD': ['NT$', '$', 2],
    'TZS': [undefined, undefined, 2],
    'UAH': [undefined, '₴'],
    'UGX': [undefined, undefined, 0],
    'USD': ['$'],
    'UYI': [undefined, undefined, 0],
    'UYU': [undefined, '$'],
    'UYW': [undefined, undefined, 4],
    'UZS': [undefined, undefined, 2],
    'VEF': [undefined, 'Bs', 2],
    'VND': ['₫', undefined, 0],
    'VUV': [undefined, undefined, 0],
    'XAF': ['FCFA', undefined, 0],
    'XCD': ['EC$', '$'],
    'XOF': ['CFA', undefined, 0],
    'XPF': ['CFPF', undefined, 0],
    'XXX': ['¤'],
    'YER': [undefined, undefined, 0],
    'ZAR': [undefined, 'R'],
    'ZMK': [undefined, undefined, 0],
    'ZMW': [undefined, 'ZK'],
    'ZWD': [undefined, undefined, 0]
};

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
/**
 * Format styles that can be used to represent numbers.
 * @see `getLocaleNumberFormat()`.
 * @see [Internationalization (i18n) Guide](https://angular.io/guide/i18n)
 *
 * @publicApi
 */
var NumberFormatStyle;
(function (NumberFormatStyle) {
    NumberFormatStyle[NumberFormatStyle["Decimal"] = 0] = "Decimal";
    NumberFormatStyle[NumberFormatStyle["Percent"] = 1] = "Percent";
    NumberFormatStyle[NumberFormatStyle["Currency"] = 2] = "Currency";
    NumberFormatStyle[NumberFormatStyle["Scientific"] = 3] = "Scientific";
})(NumberFormatStyle || (NumberFormatStyle = {}));
/**
 * Plurality cases used for translating plurals to different languages.
 *
 * @see `NgPlural`
 * @see `NgPluralCase`
 * @see [Internationalization (i18n) Guide](https://angular.io/guide/i18n)
 *
 * @publicApi
 */
var Plural;
(function (Plural) {
    Plural[Plural["Zero"] = 0] = "Zero";
    Plural[Plural["One"] = 1] = "One";
    Plural[Plural["Two"] = 2] = "Two";
    Plural[Plural["Few"] = 3] = "Few";
    Plural[Plural["Many"] = 4] = "Many";
    Plural[Plural["Other"] = 5] = "Other";
})(Plural || (Plural = {}));
/**
 * Context-dependant translation forms for strings.
 * Typically the standalone version is for the nominative form of the word,
 * and the format version is used for the genitive case.
 * @see [CLDR website](http://cldr.unicode.org/translation/date-time-1/date-time#TOC-Standalone-vs.-Format-Styles)
 * @see [Internationalization (i18n) Guide](https://angular.io/guide/i18n)
 *
 * @publicApi
 */
var FormStyle;
(function (FormStyle) {
    FormStyle[FormStyle["Format"] = 0] = "Format";
    FormStyle[FormStyle["Standalone"] = 1] = "Standalone";
})(FormStyle || (FormStyle = {}));
/**
 * String widths available for translations.
 * The specific character widths are locale-specific.
 * Examples are given for the word "Sunday" in English.
 *
 * @publicApi
 */
var TranslationWidth;
(function (TranslationWidth) {
    /** 1 character for `en-US`. For example: 'S' */
    TranslationWidth[TranslationWidth["Narrow"] = 0] = "Narrow";
    /** 3 characters for `en-US`. For example: 'Sun' */
    TranslationWidth[TranslationWidth["Abbreviated"] = 1] = "Abbreviated";
    /** Full length for `en-US`. For example: "Sunday" */
    TranslationWidth[TranslationWidth["Wide"] = 2] = "Wide";
    /** 2 characters for `en-US`, For example: "Su" */
    TranslationWidth[TranslationWidth["Short"] = 3] = "Short";
})(TranslationWidth || (TranslationWidth = {}));
/**
 * String widths available for date-time formats.
 * The specific character widths are locale-specific.
 * Examples are given for `en-US`.
 *
 * @see `getLocaleDateFormat()`
 * @see `getLocaleTimeFormat()`
 * @see `getLocaleDateTimeFormat()`
 * @see [Internationalization (i18n) Guide](https://angular.io/guide/i18n)
 * @publicApi
 */
var FormatWidth;
(function (FormatWidth) {
    /**
     * For `en-US`, 'M/d/yy, h:mm a'`
     * (Example: `6/15/15, 9:03 AM`)
     */
    FormatWidth[FormatWidth["Short"] = 0] = "Short";
    /**
     * For `en-US`, `'MMM d, y, h:mm:ss a'`
     * (Example: `Jun 15, 2015, 9:03:01 AM`)
     */
    FormatWidth[FormatWidth["Medium"] = 1] = "Medium";
    /**
     * For `en-US`, `'MMMM d, y, h:mm:ss a z'`
     * (Example: `June 15, 2015 at 9:03:01 AM GMT+1`)
     */
    FormatWidth[FormatWidth["Long"] = 2] = "Long";
    /**
     * For `en-US`, `'EEEE, MMMM d, y, h:mm:ss a zzzz'`
     * (Example: `Monday, June 15, 2015 at 9:03:01 AM GMT+01:00`)
     */
    FormatWidth[FormatWidth["Full"] = 3] = "Full";
})(FormatWidth || (FormatWidth = {}));
/**
 * Symbols that can be used to replace placeholders in number patterns.
 * Examples are based on `en-US` values.
 *
 * @see `getLocaleNumberSymbol()`
 * @see [Internationalization (i18n) Guide](https://angular.io/guide/i18n)
 *
 * @publicApi
 */
var NumberSymbol;
(function (NumberSymbol) {
    /**
     * Decimal separator.
     * For `en-US`, the dot character.
     * Example: 2,345`.`67
     */
    NumberSymbol[NumberSymbol["Decimal"] = 0] = "Decimal";
    /**
     * Grouping separator, typically for thousands.
     * For `en-US`, the comma character.
     * Example: 2`,`345.67
     */
    NumberSymbol[NumberSymbol["Group"] = 1] = "Group";
    /**
     * List-item separator.
     * Example: "one, two, and three"
     */
    NumberSymbol[NumberSymbol["List"] = 2] = "List";
    /**
     * Sign for percentage (out of 100).
     * Example: 23.4%
     */
    NumberSymbol[NumberSymbol["PercentSign"] = 3] = "PercentSign";
    /**
     * Sign for positive numbers.
     * Example: +23
     */
    NumberSymbol[NumberSymbol["PlusSign"] = 4] = "PlusSign";
    /**
     * Sign for negative numbers.
     * Example: -23
     */
    NumberSymbol[NumberSymbol["MinusSign"] = 5] = "MinusSign";
    /**
     * Computer notation for exponential value (n times a power of 10).
     * Example: 1.2E3
     */
    NumberSymbol[NumberSymbol["Exponential"] = 6] = "Exponential";
    /**
     * Human-readable format of exponential.
     * Example: 1.2x103
     */
    NumberSymbol[NumberSymbol["SuperscriptingExponent"] = 7] = "SuperscriptingExponent";
    /**
     * Sign for permille (out of 1000).
     * Example: 23.4‰
     */
    NumberSymbol[NumberSymbol["PerMille"] = 8] = "PerMille";
    /**
     * Infinity, can be used with plus and minus.
     * Example: ∞, +∞, -∞
     */
    NumberSymbol[NumberSymbol["Infinity"] = 9] = "Infinity";
    /**
     * Not a number.
     * Example: NaN
     */
    NumberSymbol[NumberSymbol["NaN"] = 10] = "NaN";
    /**
     * Symbol used between time units.
     * Example: 10:52
     */
    NumberSymbol[NumberSymbol["TimeSeparator"] = 11] = "TimeSeparator";
    /**
     * Decimal separator for currency values (fallback to `Decimal`).
     * Example: $2,345.67
     */
    NumberSymbol[NumberSymbol["CurrencyDecimal"] = 12] = "CurrencyDecimal";
    /**
     * Group separator for currency values (fallback to `Group`).
     * Example: $2,345.67
     */
    NumberSymbol[NumberSymbol["CurrencyGroup"] = 13] = "CurrencyGroup";
})(NumberSymbol || (NumberSymbol = {}));
/**
 * The value for each day of the week, based on the `en-US` locale
 *
 * @publicApi
 */
var WeekDay;
(function (WeekDay) {
    WeekDay[WeekDay["Sunday"] = 0] = "Sunday";
    WeekDay[WeekDay["Monday"] = 1] = "Monday";
    WeekDay[WeekDay["Tuesday"] = 2] = "Tuesday";
    WeekDay[WeekDay["Wednesday"] = 3] = "Wednesday";
    WeekDay[WeekDay["Thursday"] = 4] = "Thursday";
    WeekDay[WeekDay["Friday"] = 5] = "Friday";
    WeekDay[WeekDay["Saturday"] = 6] = "Saturday";
})(WeekDay || (WeekDay = {}));
/**
 * Retrieves the locale ID from the currently loaded locale.
 * The loaded locale could be, for example, a global one rather than a regional one.
 * @param locale A locale code, such as `fr-FR`.
 * @returns The locale code. For example, `fr`.
 * @see [Internationalization (i18n) Guide](https://angular.io/guide/i18n)
 *
 * @publicApi
 */
function getLocaleId(locale) {
    return (0,_angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵfindLocaleData"])(locale)[_angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵLocaleDataIndex"].LocaleId];
}
/**
 * Retrieves day period strings for the given locale.
 *
 * @param locale A locale code for the locale format rules to use.
 * @param formStyle The required grammatical form.
 * @param width The required character width.
 * @returns An array of localized period strings. For example, `[AM, PM]` for `en-US`.
 * @see [Internationalization (i18n) Guide](https://angular.io/guide/i18n)
 *
 * @publicApi
 */
function getLocaleDayPeriods(locale, formStyle, width) {
    const data = (0,_angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵfindLocaleData"])(locale);
    const amPmData = [
        data[_angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵLocaleDataIndex"].DayPeriodsFormat], data[_angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵLocaleDataIndex"].DayPeriodsStandalone]
    ];
    const amPm = getLastDefinedValue(amPmData, formStyle);
    return getLastDefinedValue(amPm, width);
}
/**
 * Retrieves days of the week for the given locale, using the Gregorian calendar.
 *
 * @param locale A locale code for the locale format rules to use.
 * @param formStyle The required grammatical form.
 * @param width The required character width.
 * @returns An array of localized name strings.
 * For example,`[Sunday, Monday, ... Saturday]` for `en-US`.
 * @see [Internationalization (i18n) Guide](https://angular.io/guide/i18n)
 *
 * @publicApi
 */
function getLocaleDayNames(locale, formStyle, width) {
    const data = (0,_angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵfindLocaleData"])(locale);
    const daysData = [data[_angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵLocaleDataIndex"].DaysFormat], data[_angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵLocaleDataIndex"].DaysStandalone]];
    const days = getLastDefinedValue(daysData, formStyle);
    return getLastDefinedValue(days, width);
}
/**
 * Retrieves months of the year for the given locale, using the Gregorian calendar.
 *
 * @param locale A locale code for the locale format rules to use.
 * @param formStyle The required grammatical form.
 * @param width The required character width.
 * @returns An array of localized name strings.
 * For example,  `[January, February, ...]` for `en-US`.
 * @see [Internationalization (i18n) Guide](https://angular.io/guide/i18n)
 *
 * @publicApi
 */
function getLocaleMonthNames(locale, formStyle, width) {
    const data = (0,_angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵfindLocaleData"])(locale);
    const monthsData = [data[_angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵLocaleDataIndex"].MonthsFormat], data[_angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵLocaleDataIndex"].MonthsStandalone]];
    const months = getLastDefinedValue(monthsData, formStyle);
    return getLastDefinedValue(months, width);
}
/**
 * Retrieves Gregorian-calendar eras for the given locale.
 * @param locale A locale code for the locale format rules to use.
 * @param width The required character width.

 * @returns An array of localized era strings.
 * For example, `[AD, BC]` for `en-US`.
 * @see [Internationalization (i18n) Guide](https://angular.io/guide/i18n)
 *
 * @publicApi
 */
function getLocaleEraNames(locale, width) {
    const data = (0,_angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵfindLocaleData"])(locale);
    const erasData = data[_angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵLocaleDataIndex"].Eras];
    return getLastDefinedValue(erasData, width);
}
/**
 * Retrieves the first day of the week for the given locale.
 *
 * @param locale A locale code for the locale format rules to use.
 * @returns A day index number, using the 0-based week-day index for `en-US`
 * (Sunday = 0, Monday = 1, ...).
 * For example, for `fr-FR`, returns 1 to indicate that the first day is Monday.
 * @see [Internationalization (i18n) Guide](https://angular.io/guide/i18n)
 *
 * @publicApi
 */
function getLocaleFirstDayOfWeek(locale) {
    const data = (0,_angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵfindLocaleData"])(locale);
    return data[_angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵLocaleDataIndex"].FirstDayOfWeek];
}
/**
 * Range of week days that are considered the week-end for the given locale.
 *
 * @param locale A locale code for the locale format rules to use.
 * @returns The range of day values, `[startDay, endDay]`.
 * @see [Internationalization (i18n) Guide](https://angular.io/guide/i18n)
 *
 * @publicApi
 */
function getLocaleWeekEndRange(locale) {
    const data = (0,_angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵfindLocaleData"])(locale);
    return data[_angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵLocaleDataIndex"].WeekendRange];
}
/**
 * Retrieves a localized date-value formating string.
 *
 * @param locale A locale code for the locale format rules to use.
 * @param width The format type.
 * @returns The localized formating string.
 * @see `FormatWidth`
 * @see [Internationalization (i18n) Guide](https://angular.io/guide/i18n)
 *
 * @publicApi
 */
function getLocaleDateFormat(locale, width) {
    const data = (0,_angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵfindLocaleData"])(locale);
    return getLastDefinedValue(data[_angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵLocaleDataIndex"].DateFormat], width);
}
/**
 * Retrieves a localized time-value formatting string.
 *
 * @param locale A locale code for the locale format rules to use.
 * @param width The format type.
 * @returns The localized formatting string.
 * @see `FormatWidth`
 * @see [Internationalization (i18n) Guide](https://angular.io/guide/i18n)

 * @publicApi
 */
function getLocaleTimeFormat(locale, width) {
    const data = (0,_angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵfindLocaleData"])(locale);
    return getLastDefinedValue(data[_angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵLocaleDataIndex"].TimeFormat], width);
}
/**
 * Retrieves a localized date-time formatting string.
 *
 * @param locale A locale code for the locale format rules to use.
 * @param width The format type.
 * @returns The localized formatting string.
 * @see `FormatWidth`
 * @see [Internationalization (i18n) Guide](https://angular.io/guide/i18n)
 *
 * @publicApi
 */
function getLocaleDateTimeFormat(locale, width) {
    const data = (0,_angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵfindLocaleData"])(locale);
    const dateTimeFormatData = data[_angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵLocaleDataIndex"].DateTimeFormat];
    return getLastDefinedValue(dateTimeFormatData, width);
}
/**
 * Retrieves a localized number symbol that can be used to replace placeholders in number formats.
 * @param locale The locale code.
 * @param symbol The symbol to localize.
 * @returns The character for the localized symbol.
 * @see `NumberSymbol`
 * @see [Internationalization (i18n) Guide](https://angular.io/guide/i18n)
 *
 * @publicApi
 */
function getLocaleNumberSymbol(locale, symbol) {
    const data = (0,_angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵfindLocaleData"])(locale);
    const res = data[_angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵLocaleDataIndex"].NumberSymbols][symbol];
    if (typeof res === 'undefined') {
        if (symbol === NumberSymbol.CurrencyDecimal) {
            return data[_angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵLocaleDataIndex"].NumberSymbols][NumberSymbol.Decimal];
        }
        else if (symbol === NumberSymbol.CurrencyGroup) {
            return data[_angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵLocaleDataIndex"].NumberSymbols][NumberSymbol.Group];
        }
    }
    return res;
}
/**
 * Retrieves a number format for a given locale.
 *
 * Numbers are formatted using patterns, like `#,###.00`. For example, the pattern `#,###.00`
 * when used to format the number 12345.678 could result in "12'345,678". That would happen if the
 * grouping separator for your language is an apostrophe, and the decimal separator is a comma.
 *
 * <b>Important:</b> The characters `.` `,` `0` `#` (and others below) are special placeholders
 * that stand for the decimal separator, and so on, and are NOT real characters.
 * You must NOT "translate" the placeholders. For example, don't change `.` to `,` even though in
 * your language the decimal point is written with a comma. The symbols should be replaced by the
 * local equivalents, using the appropriate `NumberSymbol` for your language.
 *
 * Here are the special characters used in number patterns:
 *
 * | Symbol | Meaning |
 * |--------|---------|
 * | . | Replaced automatically by the character used for the decimal point. |
 * | , | Replaced by the "grouping" (thousands) separator. |
 * | 0 | Replaced by a digit (or zero if there aren't enough digits). |
 * | # | Replaced by a digit (or nothing if there aren't enough). |
 * | ¤ | Replaced by a currency symbol, such as $ or USD. |
 * | % | Marks a percent format. The % symbol may change position, but must be retained. |
 * | E | Marks a scientific format. The E symbol may change position, but must be retained. |
 * | ' | Special characters used as literal characters are quoted with ASCII single quotes. |
 *
 * @param locale A locale code for the locale format rules to use.
 * @param type The type of numeric value to be formatted (such as `Decimal` or `Currency`.)
 * @returns The localized format string.
 * @see `NumberFormatStyle`
 * @see [CLDR website](http://cldr.unicode.org/translation/number-patterns)
 * @see [Internationalization (i18n) Guide](https://angular.io/guide/i18n)
 *
 * @publicApi
 */
function getLocaleNumberFormat(locale, type) {
    const data = (0,_angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵfindLocaleData"])(locale);
    return data[_angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵLocaleDataIndex"].NumberFormats][type];
}
/**
 * Retrieves the symbol used to represent the currency for the main country
 * corresponding to a given locale. For example, '$' for `en-US`.
 *
 * @param locale A locale code for the locale format rules to use.
 * @returns The localized symbol character,
 * or `null` if the main country cannot be determined.
 * @see [Internationalization (i18n) Guide](https://angular.io/guide/i18n)
 *
 * @publicApi
 */
function getLocaleCurrencySymbol(locale) {
    const data = (0,_angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵfindLocaleData"])(locale);
    return data[_angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵLocaleDataIndex"].CurrencySymbol] || null;
}
/**
 * Retrieves the name of the currency for the main country corresponding
 * to a given locale. For example, 'US Dollar' for `en-US`.
 * @param locale A locale code for the locale format rules to use.
 * @returns The currency name,
 * or `null` if the main country cannot be determined.
 * @see [Internationalization (i18n) Guide](https://angular.io/guide/i18n)
 *
 * @publicApi
 */
function getLocaleCurrencyName(locale) {
    const data = (0,_angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵfindLocaleData"])(locale);
    return data[_angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵLocaleDataIndex"].CurrencyName] || null;
}
/**
 * Retrieves the default currency code for the given locale.
 *
 * The default is defined as the first currency which is still in use.
 *
 * @param locale The code of the locale whose currency code we want.
 * @returns The code of the default currency for the given locale.
 *
 * @publicApi
 */
function getLocaleCurrencyCode(locale) {
    return (0,_angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵgetLocaleCurrencyCode"])(locale);
}
/**
 * Retrieves the currency values for a given locale.
 * @param locale A locale code for the locale format rules to use.
 * @returns The currency values.
 * @see [Internationalization (i18n) Guide](https://angular.io/guide/i18n)
 */
function getLocaleCurrencies(locale) {
    const data = (0,_angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵfindLocaleData"])(locale);
    return data[_angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵLocaleDataIndex"].Currencies];
}
/**
 * @alias core/ɵgetLocalePluralCase
 * @publicApi
 */
const getLocalePluralCase = _angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵgetLocalePluralCase"];
function checkFullData(data) {
    if (!data[_angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵLocaleDataIndex"].ExtraData]) {
        throw new Error(`Missing extra locale data for the locale "${data[_angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵLocaleDataIndex"].LocaleId]}". Use "registerLocaleData" to load new data. See the "I18n guide" on angular.io to know more.`);
    }
}
/**
 * Retrieves locale-specific rules used to determine which day period to use
 * when more than one period is defined for a locale.
 *
 * There is a rule for each defined day period. The
 * first rule is applied to the first day period and so on.
 * Fall back to AM/PM when no rules are available.
 *
 * A rule can specify a period as time range, or as a single time value.
 *
 * This functionality is only available when you have loaded the full locale data.
 * See the ["I18n guide"](guide/i18n#i18n-pipes).
 *
 * @param locale A locale code for the locale format rules to use.
 * @returns The rules for the locale, a single time value or array of *from-time, to-time*,
 * or null if no periods are available.
 *
 * @see `getLocaleExtraDayPeriods()`
 * @see [Internationalization (i18n) Guide](https://angular.io/guide/i18n)
 *
 * @publicApi
 */
function getLocaleExtraDayPeriodRules(locale) {
    const data = (0,_angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵfindLocaleData"])(locale);
    checkFullData(data);
    const rules = data[_angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵLocaleDataIndex"].ExtraData][2 /* ExtraDayPeriodsRules */] || [];
    return rules.map((rule) => {
        if (typeof rule === 'string') {
            return extractTime(rule);
        }
        return [extractTime(rule[0]), extractTime(rule[1])];
    });
}
/**
 * Retrieves locale-specific day periods, which indicate roughly how a day is broken up
 * in different languages.
 * For example, for `en-US`, periods are morning, noon, afternoon, evening, and midnight.
 *
 * This functionality is only available when you have loaded the full locale data.
 * See the ["I18n guide"](guide/i18n#i18n-pipes).
 *
 * @param locale A locale code for the locale format rules to use.
 * @param formStyle The required grammatical form.
 * @param width The required character width.
 * @returns The translated day-period strings.
 * @see `getLocaleExtraDayPeriodRules()`
 * @see [Internationalization (i18n) Guide](https://angular.io/guide/i18n)
 *
 * @publicApi
 */
function getLocaleExtraDayPeriods(locale, formStyle, width) {
    const data = (0,_angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵfindLocaleData"])(locale);
    checkFullData(data);
    const dayPeriodsData = [
        data[_angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵLocaleDataIndex"].ExtraData][0 /* ExtraDayPeriodFormats */],
        data[_angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵLocaleDataIndex"].ExtraData][1 /* ExtraDayPeriodStandalone */]
    ];
    const dayPeriods = getLastDefinedValue(dayPeriodsData, formStyle) || [];
    return getLastDefinedValue(dayPeriods, width) || [];
}
/**
 * Retrieves the writing direction of a specified locale
 * @param locale A locale code for the locale format rules to use.
 * @publicApi
 * @returns 'rtl' or 'ltr'
 * @see [Internationalization (i18n) Guide](https://angular.io/guide/i18n)
 */
function getLocaleDirection(locale) {
    const data = (0,_angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵfindLocaleData"])(locale);
    return data[_angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵLocaleDataIndex"].Directionality];
}
/**
 * Retrieves the first value that is defined in an array, going backwards from an index position.
 *
 * To avoid repeating the same data (as when the "format" and "standalone" forms are the same)
 * add the first value to the locale data arrays, and add other values only if they are different.
 *
 * @param data The data array to retrieve from.
 * @param index A 0-based index into the array to start from.
 * @returns The value immediately before the given index position.
 * @see [Internationalization (i18n) Guide](https://angular.io/guide/i18n)
 *
 * @publicApi
 */
function getLastDefinedValue(data, index) {
    for (let i = index; i > -1; i--) {
        if (typeof data[i] !== 'undefined') {
            return data[i];
        }
    }
    throw new Error('Locale data API: locale data undefined');
}
/**
 * Extracts the hours and minutes from a string like "15:45"
 */
function extractTime(time) {
    const [h, m] = time.split(':');
    return { hours: +h, minutes: +m };
}
/**
 * Retrieves the currency symbol for a given currency code.
 *
 * For example, for the default `en-US` locale, the code `USD` can
 * be represented by the narrow symbol `$` or the wide symbol `US$`.
 *
 * @param code The currency code.
 * @param format The format, `wide` or `narrow`.
 * @param locale A locale code for the locale format rules to use.
 *
 * @returns The symbol, or the currency code if no symbol is available.
 * @see [Internationalization (i18n) Guide](https://angular.io/guide/i18n)
 *
 * @publicApi
 */
function getCurrencySymbol(code, format, locale = 'en') {
    const currency = getLocaleCurrencies(locale)[code] || CURRENCIES_EN[code] || [];
    const symbolNarrow = currency[1 /* SymbolNarrow */];
    if (format === 'narrow' && typeof symbolNarrow === 'string') {
        return symbolNarrow;
    }
    return currency[0 /* Symbol */] || code;
}
// Most currencies have cents, that's why the default is 2
const DEFAULT_NB_OF_CURRENCY_DIGITS = 2;
/**
 * Reports the number of decimal digits for a given currency.
 * The value depends upon the presence of cents in that particular currency.
 *
 * @param code The currency code.
 * @returns The number of decimal digits, typically 0 or 2.
 * @see [Internationalization (i18n) Guide](https://angular.io/guide/i18n)
 *
 * @publicApi
 */
function getNumberOfCurrencyDigits(code) {
    let digits;
    const currency = CURRENCIES_EN[code];
    if (currency) {
        digits = currency[2 /* NbOfDigits */];
    }
    return typeof digits === 'number' ? digits : DEFAULT_NB_OF_CURRENCY_DIGITS;
}

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
const ISO8601_DATE_REGEX = /^(\d{4})-?(\d\d)-?(\d\d)(?:T(\d\d)(?::?(\d\d)(?::?(\d\d)(?:\.(\d+))?)?)?(Z|([+-])(\d\d):?(\d\d))?)?$/;
//    1        2       3         4          5          6          7          8  9     10      11
const NAMED_FORMATS = {};
const DATE_FORMATS_SPLIT = /((?:[^BEGHLMOSWYZabcdhmswyz']+)|(?:'(?:[^']|'')*')|(?:G{1,5}|y{1,4}|Y{1,4}|M{1,5}|L{1,5}|w{1,2}|W{1}|d{1,2}|E{1,6}|c{1,6}|a{1,5}|b{1,5}|B{1,5}|h{1,2}|H{1,2}|m{1,2}|s{1,2}|S{1,3}|z{1,4}|Z{1,5}|O{1,4}))([\s\S]*)/;
var ZoneWidth;
(function (ZoneWidth) {
    ZoneWidth[ZoneWidth["Short"] = 0] = "Short";
    ZoneWidth[ZoneWidth["ShortGMT"] = 1] = "ShortGMT";
    ZoneWidth[ZoneWidth["Long"] = 2] = "Long";
    ZoneWidth[ZoneWidth["Extended"] = 3] = "Extended";
})(ZoneWidth || (ZoneWidth = {}));
var DateType;
(function (DateType) {
    DateType[DateType["FullYear"] = 0] = "FullYear";
    DateType[DateType["Month"] = 1] = "Month";
    DateType[DateType["Date"] = 2] = "Date";
    DateType[DateType["Hours"] = 3] = "Hours";
    DateType[DateType["Minutes"] = 4] = "Minutes";
    DateType[DateType["Seconds"] = 5] = "Seconds";
    DateType[DateType["FractionalSeconds"] = 6] = "FractionalSeconds";
    DateType[DateType["Day"] = 7] = "Day";
})(DateType || (DateType = {}));
var TranslationType;
(function (TranslationType) {
    TranslationType[TranslationType["DayPeriods"] = 0] = "DayPeriods";
    TranslationType[TranslationType["Days"] = 1] = "Days";
    TranslationType[TranslationType["Months"] = 2] = "Months";
    TranslationType[TranslationType["Eras"] = 3] = "Eras";
})(TranslationType || (TranslationType = {}));
/**
 * @ngModule CommonModule
 * @description
 *
 * Formats a date according to locale rules.
 *
 * @param value The date to format, as a Date, or a number (milliseconds since UTC epoch)
 * or an [ISO date-time string](https://www.w3.org/TR/NOTE-datetime).
 * @param format The date-time components to include. See `DatePipe` for details.
 * @param locale A locale code for the locale format rules to use.
 * @param timezone The time zone. A time zone offset from GMT (such as `'+0430'`),
 * or a standard UTC/GMT or continental US time zone abbreviation.
 * If not specified, uses host system settings.
 *
 * @returns The formatted date string.
 *
 * @see `DatePipe`
 * @see [Internationalization (i18n) Guide](https://angular.io/guide/i18n)
 *
 * @publicApi
 */
function formatDate(value, format, locale, timezone) {
    let date = toDate(value);
    const namedFormat = getNamedFormat(locale, format);
    format = namedFormat || format;
    let parts = [];
    let match;
    while (format) {
        match = DATE_FORMATS_SPLIT.exec(format);
        if (match) {
            parts = parts.concat(match.slice(1));
            const part = parts.pop();
            if (!part) {
                break;
            }
            format = part;
        }
        else {
            parts.push(format);
            break;
        }
    }
    let dateTimezoneOffset = date.getTimezoneOffset();
    if (timezone) {
        dateTimezoneOffset = timezoneToOffset(timezone, dateTimezoneOffset);
        date = convertTimezoneToLocal(date, timezone, true);
    }
    let text = '';
    parts.forEach(value => {
        const dateFormatter = getDateFormatter(value);
        text += dateFormatter ?
            dateFormatter(date, locale, dateTimezoneOffset) :
            value === '\'\'' ? '\'' : value.replace(/(^'|'$)/g, '').replace(/''/g, '\'');
    });
    return text;
}
/**
 * Create a new Date object with the given date value, and the time set to midnight.
 *
 * We cannot use `new Date(year, month, date)` because it maps years between 0 and 99 to 1900-1999.
 * See: https://github.com/angular/angular/issues/40377
 *
 * Note that this function returns a Date object whose time is midnight in the current locale's
 * timezone. In the future we might want to change this to be midnight in UTC, but this would be a
 * considerable breaking change.
 */
function createDate(year, month, date) {
    // The `newDate` is set to midnight (UTC) on January 1st 1970.
    // - In PST this will be December 31st 1969 at 4pm.
    // - In GMT this will be January 1st 1970 at 1am.
    // Note that they even have different years, dates and months!
    const newDate = new Date(0);
    // `setFullYear()` allows years like 0001 to be set correctly. This function does not
    // change the internal time of the date.
    // Consider calling `setFullYear(2019, 8, 20)` (September 20, 2019).
    // - In PST this will now be September 20, 2019 at 4pm
    // - In GMT this will now be September 20, 2019 at 1am
    newDate.setFullYear(year, month, date);
    // We want the final date to be at local midnight, so we reset the time.
    // - In PST this will now be September 20, 2019 at 12am
    // - In GMT this will now be September 20, 2019 at 12am
    newDate.setHours(0, 0, 0);
    return newDate;
}
function getNamedFormat(locale, format) {
    const localeId = getLocaleId(locale);
    NAMED_FORMATS[localeId] = NAMED_FORMATS[localeId] || {};
    if (NAMED_FORMATS[localeId][format]) {
        return NAMED_FORMATS[localeId][format];
    }
    let formatValue = '';
    switch (format) {
        case 'shortDate':
            formatValue = getLocaleDateFormat(locale, FormatWidth.Short);
            break;
        case 'mediumDate':
            formatValue = getLocaleDateFormat(locale, FormatWidth.Medium);
            break;
        case 'longDate':
            formatValue = getLocaleDateFormat(locale, FormatWidth.Long);
            break;
        case 'fullDate':
            formatValue = getLocaleDateFormat(locale, FormatWidth.Full);
            break;
        case 'shortTime':
            formatValue = getLocaleTimeFormat(locale, FormatWidth.Short);
            break;
        case 'mediumTime':
            formatValue = getLocaleTimeFormat(locale, FormatWidth.Medium);
            break;
        case 'longTime':
            formatValue = getLocaleTimeFormat(locale, FormatWidth.Long);
            break;
        case 'fullTime':
            formatValue = getLocaleTimeFormat(locale, FormatWidth.Full);
            break;
        case 'short':
            const shortTime = getNamedFormat(locale, 'shortTime');
            const shortDate = getNamedFormat(locale, 'shortDate');
            formatValue = formatDateTime(getLocaleDateTimeFormat(locale, FormatWidth.Short), [shortTime, shortDate]);
            break;
        case 'medium':
            const mediumTime = getNamedFormat(locale, 'mediumTime');
            const mediumDate = getNamedFormat(locale, 'mediumDate');
            formatValue = formatDateTime(getLocaleDateTimeFormat(locale, FormatWidth.Medium), [mediumTime, mediumDate]);
            break;
        case 'long':
            const longTime = getNamedFormat(locale, 'longTime');
            const longDate = getNamedFormat(locale, 'longDate');
            formatValue =
                formatDateTime(getLocaleDateTimeFormat(locale, FormatWidth.Long), [longTime, longDate]);
            break;
        case 'full':
            const fullTime = getNamedFormat(locale, 'fullTime');
            const fullDate = getNamedFormat(locale, 'fullDate');
            formatValue =
                formatDateTime(getLocaleDateTimeFormat(locale, FormatWidth.Full), [fullTime, fullDate]);
            break;
    }
    if (formatValue) {
        NAMED_FORMATS[localeId][format] = formatValue;
    }
    return formatValue;
}
function formatDateTime(str, opt_values) {
    if (opt_values) {
        str = str.replace(/\{([^}]+)}/g, function (match, key) {
            return (opt_values != null && key in opt_values) ? opt_values[key] : match;
        });
    }
    return str;
}
function padNumber(num, digits, minusSign = '-', trim, negWrap) {
    let neg = '';
    if (num < 0 || (negWrap && num <= 0)) {
        if (negWrap) {
            num = -num + 1;
        }
        else {
            num = -num;
            neg = minusSign;
        }
    }
    let strNum = String(num);
    while (strNum.length < digits) {
        strNum = '0' + strNum;
    }
    if (trim) {
        strNum = strNum.substr(strNum.length - digits);
    }
    return neg + strNum;
}
function formatFractionalSeconds(milliseconds, digits) {
    const strMs = padNumber(milliseconds, 3);
    return strMs.substr(0, digits);
}
/**
 * Returns a date formatter that transforms a date into its locale digit representation
 */
function dateGetter(name, size, offset = 0, trim = false, negWrap = false) {
    return function (date, locale) {
        let part = getDatePart(name, date);
        if (offset > 0 || part > -offset) {
            part += offset;
        }
        if (name === DateType.Hours) {
            if (part === 0 && offset === -12) {
                part = 12;
            }
        }
        else if (name === DateType.FractionalSeconds) {
            return formatFractionalSeconds(part, size);
        }
        const localeMinus = getLocaleNumberSymbol(locale, NumberSymbol.MinusSign);
        return padNumber(part, size, localeMinus, trim, negWrap);
    };
}
function getDatePart(part, date) {
    switch (part) {
        case DateType.FullYear:
            return date.getFullYear();
        case DateType.Month:
            return date.getMonth();
        case DateType.Date:
            return date.getDate();
        case DateType.Hours:
            return date.getHours();
        case DateType.Minutes:
            return date.getMinutes();
        case DateType.Seconds:
            return date.getSeconds();
        case DateType.FractionalSeconds:
            return date.getMilliseconds();
        case DateType.Day:
            return date.getDay();
        default:
            throw new Error(`Unknown DateType value "${part}".`);
    }
}
/**
 * Returns a date formatter that transforms a date into its locale string representation
 */
function dateStrGetter(name, width, form = FormStyle.Format, extended = false) {
    return function (date, locale) {
        return getDateTranslation(date, locale, name, width, form, extended);
    };
}
/**
 * Returns the locale translation of a date for a given form, type and width
 */
function getDateTranslation(date, locale, name, width, form, extended) {
    switch (name) {
        case TranslationType.Months:
            return getLocaleMonthNames(locale, form, width)[date.getMonth()];
        case TranslationType.Days:
            return getLocaleDayNames(locale, form, width)[date.getDay()];
        case TranslationType.DayPeriods:
            const currentHours = date.getHours();
            const currentMinutes = date.getMinutes();
            if (extended) {
                const rules = getLocaleExtraDayPeriodRules(locale);
                const dayPeriods = getLocaleExtraDayPeriods(locale, form, width);
                const index = rules.findIndex(rule => {
                    if (Array.isArray(rule)) {
                        // morning, afternoon, evening, night
                        const [from, to] = rule;
                        const afterFrom = currentHours >= from.hours && currentMinutes >= from.minutes;
                        const beforeTo = (currentHours < to.hours ||
                            (currentHours === to.hours && currentMinutes < to.minutes));
                        // We must account for normal rules that span a period during the day (e.g. 6am-9am)
                        // where `from` is less (earlier) than `to`. But also rules that span midnight (e.g.
                        // 10pm - 5am) where `from` is greater (later!) than `to`.
                        //
                        // In the first case the current time must be BOTH after `from` AND before `to`
                        // (e.g. 8am is after 6am AND before 10am).
                        //
                        // In the second case the current time must be EITHER after `from` OR before `to`
                        // (e.g. 4am is before 5am but not after 10pm; and 11pm is not before 5am but it is
                        // after 10pm).
                        if (from.hours < to.hours) {
                            if (afterFrom && beforeTo) {
                                return true;
                            }
                        }
                        else if (afterFrom || beforeTo) {
                            return true;
                        }
                    }
                    else { // noon or midnight
                        if (rule.hours === currentHours && rule.minutes === currentMinutes) {
                            return true;
                        }
                    }
                    return false;
                });
                if (index !== -1) {
                    return dayPeriods[index];
                }
            }
            // if no rules for the day periods, we use am/pm by default
            return getLocaleDayPeriods(locale, form, width)[currentHours < 12 ? 0 : 1];
        case TranslationType.Eras:
            return getLocaleEraNames(locale, width)[date.getFullYear() <= 0 ? 0 : 1];
        default:
            // This default case is not needed by TypeScript compiler, as the switch is exhaustive.
            // However Closure Compiler does not understand that and reports an error in typed mode.
            // The `throw new Error` below works around the problem, and the unexpected: never variable
            // makes sure tsc still checks this code is unreachable.
            const unexpected = name;
            throw new Error(`unexpected translation type ${unexpected}`);
    }
}
/**
 * Returns a date formatter that transforms a date and an offset into a timezone with ISO8601 or
 * GMT format depending on the width (eg: short = +0430, short:GMT = GMT+4, long = GMT+04:30,
 * extended = +04:30)
 */
function timeZoneGetter(width) {
    return function (date, locale, offset) {
        const zone = -1 * offset;
        const minusSign = getLocaleNumberSymbol(locale, NumberSymbol.MinusSign);
        const hours = zone > 0 ? Math.floor(zone / 60) : Math.ceil(zone / 60);
        switch (width) {
            case ZoneWidth.Short:
                return ((zone >= 0) ? '+' : '') + padNumber(hours, 2, minusSign) +
                    padNumber(Math.abs(zone % 60), 2, minusSign);
            case ZoneWidth.ShortGMT:
                return 'GMT' + ((zone >= 0) ? '+' : '') + padNumber(hours, 1, minusSign);
            case ZoneWidth.Long:
                return 'GMT' + ((zone >= 0) ? '+' : '') + padNumber(hours, 2, minusSign) + ':' +
                    padNumber(Math.abs(zone % 60), 2, minusSign);
            case ZoneWidth.Extended:
                if (offset === 0) {
                    return 'Z';
                }
                else {
                    return ((zone >= 0) ? '+' : '') + padNumber(hours, 2, minusSign) + ':' +
                        padNumber(Math.abs(zone % 60), 2, minusSign);
                }
            default:
                throw new Error(`Unknown zone width "${width}"`);
        }
    };
}
const JANUARY = 0;
const THURSDAY = 4;
function getFirstThursdayOfYear(year) {
    const firstDayOfYear = createDate(year, JANUARY, 1).getDay();
    return createDate(year, 0, 1 + ((firstDayOfYear <= THURSDAY) ? THURSDAY : THURSDAY + 7) - firstDayOfYear);
}
function getThursdayThisWeek(datetime) {
    return createDate(datetime.getFullYear(), datetime.getMonth(), datetime.getDate() + (THURSDAY - datetime.getDay()));
}
function weekGetter(size, monthBased = false) {
    return function (date, locale) {
        let result;
        if (monthBased) {
            const nbDaysBefore1stDayOfMonth = new Date(date.getFullYear(), date.getMonth(), 1).getDay() - 1;
            const today = date.getDate();
            result = 1 + Math.floor((today + nbDaysBefore1stDayOfMonth) / 7);
        }
        else {
            const thisThurs = getThursdayThisWeek(date);
            // Some days of a year are part of next year according to ISO 8601.
            // Compute the firstThurs from the year of this week's Thursday
            const firstThurs = getFirstThursdayOfYear(thisThurs.getFullYear());
            const diff = thisThurs.getTime() - firstThurs.getTime();
            result = 1 + Math.round(diff / 6.048e8); // 6.048e8 ms per week
        }
        return padNumber(result, size, getLocaleNumberSymbol(locale, NumberSymbol.MinusSign));
    };
}
/**
 * Returns a date formatter that provides the week-numbering year for the input date.
 */
function weekNumberingYearGetter(size, trim = false) {
    return function (date, locale) {
        const thisThurs = getThursdayThisWeek(date);
        const weekNumberingYear = thisThurs.getFullYear();
        return padNumber(weekNumberingYear, size, getLocaleNumberSymbol(locale, NumberSymbol.MinusSign), trim);
    };
}
const DATE_FORMATS = {};
// Based on CLDR formats:
// See complete list: http://www.unicode.org/reports/tr35/tr35-dates.html#Date_Field_Symbol_Table
// See also explanations: http://cldr.unicode.org/translation/date-time
// TODO(ocombe): support all missing cldr formats: U, Q, D, F, e, j, J, C, A, v, V, X, x
function getDateFormatter(format) {
    if (DATE_FORMATS[format]) {
        return DATE_FORMATS[format];
    }
    let formatter;
    switch (format) {
        // Era name (AD/BC)
        case 'G':
        case 'GG':
        case 'GGG':
            formatter = dateStrGetter(TranslationType.Eras, TranslationWidth.Abbreviated);
            break;
        case 'GGGG':
            formatter = dateStrGetter(TranslationType.Eras, TranslationWidth.Wide);
            break;
        case 'GGGGG':
            formatter = dateStrGetter(TranslationType.Eras, TranslationWidth.Narrow);
            break;
        // 1 digit representation of the year, e.g. (AD 1 => 1, AD 199 => 199)
        case 'y':
            formatter = dateGetter(DateType.FullYear, 1, 0, false, true);
            break;
        // 2 digit representation of the year, padded (00-99). (e.g. AD 2001 => 01, AD 2010 => 10)
        case 'yy':
            formatter = dateGetter(DateType.FullYear, 2, 0, true, true);
            break;
        // 3 digit representation of the year, padded (000-999). (e.g. AD 2001 => 01, AD 2010 => 10)
        case 'yyy':
            formatter = dateGetter(DateType.FullYear, 3, 0, false, true);
            break;
        // 4 digit representation of the year (e.g. AD 1 => 0001, AD 2010 => 2010)
        case 'yyyy':
            formatter = dateGetter(DateType.FullYear, 4, 0, false, true);
            break;
        // 1 digit representation of the week-numbering year, e.g. (AD 1 => 1, AD 199 => 199)
        case 'Y':
            formatter = weekNumberingYearGetter(1);
            break;
        // 2 digit representation of the week-numbering year, padded (00-99). (e.g. AD 2001 => 01, AD
        // 2010 => 10)
        case 'YY':
            formatter = weekNumberingYearGetter(2, true);
            break;
        // 3 digit representation of the week-numbering year, padded (000-999). (e.g. AD 1 => 001, AD
        // 2010 => 2010)
        case 'YYY':
            formatter = weekNumberingYearGetter(3);
            break;
        // 4 digit representation of the week-numbering year (e.g. AD 1 => 0001, AD 2010 => 2010)
        case 'YYYY':
            formatter = weekNumberingYearGetter(4);
            break;
        // Month of the year (1-12), numeric
        case 'M':
        case 'L':
            formatter = dateGetter(DateType.Month, 1, 1);
            break;
        case 'MM':
        case 'LL':
            formatter = dateGetter(DateType.Month, 2, 1);
            break;
        // Month of the year (January, ...), string, format
        case 'MMM':
            formatter = dateStrGetter(TranslationType.Months, TranslationWidth.Abbreviated);
            break;
        case 'MMMM':
            formatter = dateStrGetter(TranslationType.Months, TranslationWidth.Wide);
            break;
        case 'MMMMM':
            formatter = dateStrGetter(TranslationType.Months, TranslationWidth.Narrow);
            break;
        // Month of the year (January, ...), string, standalone
        case 'LLL':
            formatter =
                dateStrGetter(TranslationType.Months, TranslationWidth.Abbreviated, FormStyle.Standalone);
            break;
        case 'LLLL':
            formatter =
                dateStrGetter(TranslationType.Months, TranslationWidth.Wide, FormStyle.Standalone);
            break;
        case 'LLLLL':
            formatter =
                dateStrGetter(TranslationType.Months, TranslationWidth.Narrow, FormStyle.Standalone);
            break;
        // Week of the year (1, ... 52)
        case 'w':
            formatter = weekGetter(1);
            break;
        case 'ww':
            formatter = weekGetter(2);
            break;
        // Week of the month (1, ...)
        case 'W':
            formatter = weekGetter(1, true);
            break;
        // Day of the month (1-31)
        case 'd':
            formatter = dateGetter(DateType.Date, 1);
            break;
        case 'dd':
            formatter = dateGetter(DateType.Date, 2);
            break;
        // Day of the Week StandAlone (1, 1, Mon, Monday, M, Mo)
        case 'c':
        case 'cc':
            formatter = dateGetter(DateType.Day, 1);
            break;
        case 'ccc':
            formatter =
                dateStrGetter(TranslationType.Days, TranslationWidth.Abbreviated, FormStyle.Standalone);
            break;
        case 'cccc':
            formatter = dateStrGetter(TranslationType.Days, TranslationWidth.Wide, FormStyle.Standalone);
            break;
        case 'ccccc':
            formatter =
                dateStrGetter(TranslationType.Days, TranslationWidth.Narrow, FormStyle.Standalone);
            break;
        case 'cccccc':
            formatter = dateStrGetter(TranslationType.Days, TranslationWidth.Short, FormStyle.Standalone);
            break;
        // Day of the Week
        case 'E':
        case 'EE':
        case 'EEE':
            formatter = dateStrGetter(TranslationType.Days, TranslationWidth.Abbreviated);
            break;
        case 'EEEE':
            formatter = dateStrGetter(TranslationType.Days, TranslationWidth.Wide);
            break;
        case 'EEEEE':
            formatter = dateStrGetter(TranslationType.Days, TranslationWidth.Narrow);
            break;
        case 'EEEEEE':
            formatter = dateStrGetter(TranslationType.Days, TranslationWidth.Short);
            break;
        // Generic period of the day (am-pm)
        case 'a':
        case 'aa':
        case 'aaa':
            formatter = dateStrGetter(TranslationType.DayPeriods, TranslationWidth.Abbreviated);
            break;
        case 'aaaa':
            formatter = dateStrGetter(TranslationType.DayPeriods, TranslationWidth.Wide);
            break;
        case 'aaaaa':
            formatter = dateStrGetter(TranslationType.DayPeriods, TranslationWidth.Narrow);
            break;
        // Extended period of the day (midnight, at night, ...), standalone
        case 'b':
        case 'bb':
        case 'bbb':
            formatter = dateStrGetter(TranslationType.DayPeriods, TranslationWidth.Abbreviated, FormStyle.Standalone, true);
            break;
        case 'bbbb':
            formatter = dateStrGetter(TranslationType.DayPeriods, TranslationWidth.Wide, FormStyle.Standalone, true);
            break;
        case 'bbbbb':
            formatter = dateStrGetter(TranslationType.DayPeriods, TranslationWidth.Narrow, FormStyle.Standalone, true);
            break;
        // Extended period of the day (midnight, night, ...), standalone
        case 'B':
        case 'BB':
        case 'BBB':
            formatter = dateStrGetter(TranslationType.DayPeriods, TranslationWidth.Abbreviated, FormStyle.Format, true);
            break;
        case 'BBBB':
            formatter =
                dateStrGetter(TranslationType.DayPeriods, TranslationWidth.Wide, FormStyle.Format, true);
            break;
        case 'BBBBB':
            formatter = dateStrGetter(TranslationType.DayPeriods, TranslationWidth.Narrow, FormStyle.Format, true);
            break;
        // Hour in AM/PM, (1-12)
        case 'h':
            formatter = dateGetter(DateType.Hours, 1, -12);
            break;
        case 'hh':
            formatter = dateGetter(DateType.Hours, 2, -12);
            break;
        // Hour of the day (0-23)
        case 'H':
            formatter = dateGetter(DateType.Hours, 1);
            break;
        // Hour in day, padded (00-23)
        case 'HH':
            formatter = dateGetter(DateType.Hours, 2);
            break;
        // Minute of the hour (0-59)
        case 'm':
            formatter = dateGetter(DateType.Minutes, 1);
            break;
        case 'mm':
            formatter = dateGetter(DateType.Minutes, 2);
            break;
        // Second of the minute (0-59)
        case 's':
            formatter = dateGetter(DateType.Seconds, 1);
            break;
        case 'ss':
            formatter = dateGetter(DateType.Seconds, 2);
            break;
        // Fractional second
        case 'S':
            formatter = dateGetter(DateType.FractionalSeconds, 1);
            break;
        case 'SS':
            formatter = dateGetter(DateType.FractionalSeconds, 2);
            break;
        case 'SSS':
            formatter = dateGetter(DateType.FractionalSeconds, 3);
            break;
        // Timezone ISO8601 short format (-0430)
        case 'Z':
        case 'ZZ':
        case 'ZZZ':
            formatter = timeZoneGetter(ZoneWidth.Short);
            break;
        // Timezone ISO8601 extended format (-04:30)
        case 'ZZZZZ':
            formatter = timeZoneGetter(ZoneWidth.Extended);
            break;
        // Timezone GMT short format (GMT+4)
        case 'O':
        case 'OO':
        case 'OOO':
        // Should be location, but fallback to format O instead because we don't have the data yet
        case 'z':
        case 'zz':
        case 'zzz':
            formatter = timeZoneGetter(ZoneWidth.ShortGMT);
            break;
        // Timezone GMT long format (GMT+0430)
        case 'OOOO':
        case 'ZZZZ':
        // Should be location, but fallback to format O instead because we don't have the data yet
        case 'zzzz':
            formatter = timeZoneGetter(ZoneWidth.Long);
            break;
        default:
            return null;
    }
    DATE_FORMATS[format] = formatter;
    return formatter;
}
function timezoneToOffset(timezone, fallback) {
    // Support: IE 11 only, Edge 13-15+
    // IE/Edge do not "understand" colon (`:`) in timezone
    timezone = timezone.replace(/:/g, '');
    const requestedTimezoneOffset = Date.parse('Jan 01, 1970 00:00:00 ' + timezone) / 60000;
    return isNaN(requestedTimezoneOffset) ? fallback : requestedTimezoneOffset;
}
function addDateMinutes(date, minutes) {
    date = new Date(date.getTime());
    date.setMinutes(date.getMinutes() + minutes);
    return date;
}
function convertTimezoneToLocal(date, timezone, reverse) {
    const reverseValue = reverse ? -1 : 1;
    const dateTimezoneOffset = date.getTimezoneOffset();
    const timezoneOffset = timezoneToOffset(timezone, dateTimezoneOffset);
    return addDateMinutes(date, reverseValue * (timezoneOffset - dateTimezoneOffset));
}
/**
 * Converts a value to date.
 *
 * Supported input formats:
 * - `Date`
 * - number: timestamp
 * - string: numeric (e.g. "1234"), ISO and date strings in a format supported by
 *   [Date.parse()](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Date/parse).
 *   Note: ISO strings without time return a date without timeoffset.
 *
 * Throws if unable to convert to a date.
 */
function toDate(value) {
    if (isDate(value)) {
        return value;
    }
    if (typeof value === 'number' && !isNaN(value)) {
        return new Date(value);
    }
    if (typeof value === 'string') {
        value = value.trim();
        if (/^(\d{4}(-\d{1,2}(-\d{1,2})?)?)$/.test(value)) {
            /* For ISO Strings without time the day, month and year must be extracted from the ISO String
            before Date creation to avoid time offset and errors in the new Date.
            If we only replace '-' with ',' in the ISO String ("2015,01,01"), and try to create a new
            date, some browsers (e.g. IE 9) will throw an invalid Date error.
            If we leave the '-' ("2015-01-01") and try to create a new Date("2015-01-01") the timeoffset
            is applied.
            Note: ISO months are 0 for January, 1 for February, ... */
            const [y, m = 1, d = 1] = value.split('-').map((val) => +val);
            return createDate(y, m - 1, d);
        }
        const parsedNb = parseFloat(value);
        // any string that only contains numbers, like "1234" but not like "1234hello"
        if (!isNaN(value - parsedNb)) {
            return new Date(parsedNb);
        }
        let match;
        if (match = value.match(ISO8601_DATE_REGEX)) {
            return isoStringToDate(match);
        }
    }
    const date = new Date(value);
    if (!isDate(date)) {
        throw new Error(`Unable to convert "${value}" into a date`);
    }
    return date;
}
/**
 * Converts a date in ISO8601 to a Date.
 * Used instead of `Date.parse` because of browser discrepancies.
 */
function isoStringToDate(match) {
    const date = new Date(0);
    let tzHour = 0;
    let tzMin = 0;
    // match[8] means that the string contains "Z" (UTC) or a timezone like "+01:00" or "+0100"
    const dateSetter = match[8] ? date.setUTCFullYear : date.setFullYear;
    const timeSetter = match[8] ? date.setUTCHours : date.setHours;
    // if there is a timezone defined like "+01:00" or "+0100"
    if (match[9]) {
        tzHour = Number(match[9] + match[10]);
        tzMin = Number(match[9] + match[11]);
    }
    dateSetter.call(date, Number(match[1]), Number(match[2]) - 1, Number(match[3]));
    const h = Number(match[4] || 0) - tzHour;
    const m = Number(match[5] || 0) - tzMin;
    const s = Number(match[6] || 0);
    // The ECMAScript specification (https://www.ecma-international.org/ecma-262/5.1/#sec-15.9.1.11)
    // defines that `DateTime` milliseconds should always be rounded down, so that `999.9ms`
    // becomes `999ms`.
    const ms = Math.floor(parseFloat('0.' + (match[7] || 0)) * 1000);
    timeSetter.call(date, h, m, s, ms);
    return date;
}
function isDate(value) {
    return value instanceof Date && !isNaN(value.valueOf());
}

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
const NUMBER_FORMAT_REGEXP = /^(\d+)?\.((\d+)(-(\d+))?)?$/;
const MAX_DIGITS = 22;
const DECIMAL_SEP = '.';
const ZERO_CHAR = '0';
const PATTERN_SEP = ';';
const GROUP_SEP = ',';
const DIGIT_CHAR = '#';
const CURRENCY_CHAR = '¤';
const PERCENT_CHAR = '%';
/**
 * Transforms a number to a locale string based on a style and a format.
 */
function formatNumberToLocaleString(value, pattern, locale, groupSymbol, decimalSymbol, digitsInfo, isPercent = false) {
    let formattedText = '';
    let isZero = false;
    if (!isFinite(value)) {
        formattedText = getLocaleNumberSymbol(locale, NumberSymbol.Infinity);
    }
    else {
        let parsedNumber = parseNumber(value);
        if (isPercent) {
            parsedNumber = toPercent(parsedNumber);
        }
        let minInt = pattern.minInt;
        let minFraction = pattern.minFrac;
        let maxFraction = pattern.maxFrac;
        if (digitsInfo) {
            const parts = digitsInfo.match(NUMBER_FORMAT_REGEXP);
            if (parts === null) {
                throw new Error(`${digitsInfo} is not a valid digit info`);
            }
            const minIntPart = parts[1];
            const minFractionPart = parts[3];
            const maxFractionPart = parts[5];
            if (minIntPart != null) {
                minInt = parseIntAutoRadix(minIntPart);
            }
            if (minFractionPart != null) {
                minFraction = parseIntAutoRadix(minFractionPart);
            }
            if (maxFractionPart != null) {
                maxFraction = parseIntAutoRadix(maxFractionPart);
            }
            else if (minFractionPart != null && minFraction > maxFraction) {
                maxFraction = minFraction;
            }
        }
        roundNumber(parsedNumber, minFraction, maxFraction);
        let digits = parsedNumber.digits;
        let integerLen = parsedNumber.integerLen;
        const exponent = parsedNumber.exponent;
        let decimals = [];
        isZero = digits.every(d => !d);
        // pad zeros for small numbers
        for (; integerLen < minInt; integerLen++) {
            digits.unshift(0);
        }
        // pad zeros for small numbers
        for (; integerLen < 0; integerLen++) {
            digits.unshift(0);
        }
        // extract decimals digits
        if (integerLen > 0) {
            decimals = digits.splice(integerLen, digits.length);
        }
        else {
            decimals = digits;
            digits = [0];
        }
        // format the integer digits with grouping separators
        const groups = [];
        if (digits.length >= pattern.lgSize) {
            groups.unshift(digits.splice(-pattern.lgSize, digits.length).join(''));
        }
        while (digits.length > pattern.gSize) {
            groups.unshift(digits.splice(-pattern.gSize, digits.length).join(''));
        }
        if (digits.length) {
            groups.unshift(digits.join(''));
        }
        formattedText = groups.join(getLocaleNumberSymbol(locale, groupSymbol));
        // append the decimal digits
        if (decimals.length) {
            formattedText += getLocaleNumberSymbol(locale, decimalSymbol) + decimals.join('');
        }
        if (exponent) {
            formattedText += getLocaleNumberSymbol(locale, NumberSymbol.Exponential) + '+' + exponent;
        }
    }
    if (value < 0 && !isZero) {
        formattedText = pattern.negPre + formattedText + pattern.negSuf;
    }
    else {
        formattedText = pattern.posPre + formattedText + pattern.posSuf;
    }
    return formattedText;
}
/**
 * @ngModule CommonModule
 * @description
 *
 * Formats a number as currency using locale rules.
 *
 * @param value The number to format.
 * @param locale A locale code for the locale format rules to use.
 * @param currency A string containing the currency symbol or its name,
 * such as "$" or "Canadian Dollar". Used in output string, but does not affect the operation
 * of the function.
 * @param currencyCode The [ISO 4217](https://en.wikipedia.org/wiki/ISO_4217)
 * currency code, such as `USD` for the US dollar and `EUR` for the euro.
 * Used to determine the number of digits in the decimal part.
 * @param digitsInfo Decimal representation options, specified by a string in the following format:
 * `{minIntegerDigits}.{minFractionDigits}-{maxFractionDigits}`. See `DecimalPipe` for more details.
 *
 * @returns The formatted currency value.
 *
 * @see `formatNumber()`
 * @see `DecimalPipe`
 * @see [Internationalization (i18n) Guide](https://angular.io/guide/i18n)
 *
 * @publicApi
 */
function formatCurrency(value, locale, currency, currencyCode, digitsInfo) {
    const format = getLocaleNumberFormat(locale, NumberFormatStyle.Currency);
    const pattern = parseNumberFormat(format, getLocaleNumberSymbol(locale, NumberSymbol.MinusSign));
    pattern.minFrac = getNumberOfCurrencyDigits(currencyCode);
    pattern.maxFrac = pattern.minFrac;
    const res = formatNumberToLocaleString(value, pattern, locale, NumberSymbol.CurrencyGroup, NumberSymbol.CurrencyDecimal, digitsInfo);
    return res
        .replace(CURRENCY_CHAR, currency)
        // if we have 2 time the currency character, the second one is ignored
        .replace(CURRENCY_CHAR, '')
        // If there is a spacing between currency character and the value and
        // the currency character is supressed by passing an empty string, the
        // spacing character would remain as part of the string. Then we
        // should remove it.
        .trim();
}
/**
 * @ngModule CommonModule
 * @description
 *
 * Formats a number as a percentage according to locale rules.
 *
 * @param value The number to format.
 * @param locale A locale code for the locale format rules to use.
 * @param digitsInfo Decimal representation options, specified by a string in the following format:
 * `{minIntegerDigits}.{minFractionDigits}-{maxFractionDigits}`. See `DecimalPipe` for more details.
 *
 * @returns The formatted percentage value.
 *
 * @see `formatNumber()`
 * @see `DecimalPipe`
 * @see [Internationalization (i18n) Guide](https://angular.io/guide/i18n)
 * @publicApi
 *
 */
function formatPercent(value, locale, digitsInfo) {
    const format = getLocaleNumberFormat(locale, NumberFormatStyle.Percent);
    const pattern = parseNumberFormat(format, getLocaleNumberSymbol(locale, NumberSymbol.MinusSign));
    const res = formatNumberToLocaleString(value, pattern, locale, NumberSymbol.Group, NumberSymbol.Decimal, digitsInfo, true);
    return res.replace(new RegExp(PERCENT_CHAR, 'g'), getLocaleNumberSymbol(locale, NumberSymbol.PercentSign));
}
/**
 * @ngModule CommonModule
 * @description
 *
 * Formats a number as text, with group sizing, separator, and other
 * parameters based on the locale.
 *
 * @param value The number to format.
 * @param locale A locale code for the locale format rules to use.
 * @param digitsInfo Decimal representation options, specified by a string in the following format:
 * `{minIntegerDigits}.{minFractionDigits}-{maxFractionDigits}`. See `DecimalPipe` for more details.
 *
 * @returns The formatted text string.
 * @see [Internationalization (i18n) Guide](https://angular.io/guide/i18n)
 *
 * @publicApi
 */
function formatNumber(value, locale, digitsInfo) {
    const format = getLocaleNumberFormat(locale, NumberFormatStyle.Decimal);
    const pattern = parseNumberFormat(format, getLocaleNumberSymbol(locale, NumberSymbol.MinusSign));
    return formatNumberToLocaleString(value, pattern, locale, NumberSymbol.Group, NumberSymbol.Decimal, digitsInfo);
}
function parseNumberFormat(format, minusSign = '-') {
    const p = {
        minInt: 1,
        minFrac: 0,
        maxFrac: 0,
        posPre: '',
        posSuf: '',
        negPre: '',
        negSuf: '',
        gSize: 0,
        lgSize: 0
    };
    const patternParts = format.split(PATTERN_SEP);
    const positive = patternParts[0];
    const negative = patternParts[1];
    const positiveParts = positive.indexOf(DECIMAL_SEP) !== -1 ?
        positive.split(DECIMAL_SEP) :
        [
            positive.substring(0, positive.lastIndexOf(ZERO_CHAR) + 1),
            positive.substring(positive.lastIndexOf(ZERO_CHAR) + 1)
        ], integer = positiveParts[0], fraction = positiveParts[1] || '';
    p.posPre = integer.substr(0, integer.indexOf(DIGIT_CHAR));
    for (let i = 0; i < fraction.length; i++) {
        const ch = fraction.charAt(i);
        if (ch === ZERO_CHAR) {
            p.minFrac = p.maxFrac = i + 1;
        }
        else if (ch === DIGIT_CHAR) {
            p.maxFrac = i + 1;
        }
        else {
            p.posSuf += ch;
        }
    }
    const groups = integer.split(GROUP_SEP);
    p.gSize = groups[1] ? groups[1].length : 0;
    p.lgSize = (groups[2] || groups[1]) ? (groups[2] || groups[1]).length : 0;
    if (negative) {
        const trunkLen = positive.length - p.posPre.length - p.posSuf.length, pos = negative.indexOf(DIGIT_CHAR);
        p.negPre = negative.substr(0, pos).replace(/'/g, '');
        p.negSuf = negative.substr(pos + trunkLen).replace(/'/g, '');
    }
    else {
        p.negPre = minusSign + p.posPre;
        p.negSuf = p.posSuf;
    }
    return p;
}
// Transforms a parsed number into a percentage by multiplying it by 100
function toPercent(parsedNumber) {
    // if the number is 0, don't do anything
    if (parsedNumber.digits[0] === 0) {
        return parsedNumber;
    }
    // Getting the current number of decimals
    const fractionLen = parsedNumber.digits.length - parsedNumber.integerLen;
    if (parsedNumber.exponent) {
        parsedNumber.exponent += 2;
    }
    else {
        if (fractionLen === 0) {
            parsedNumber.digits.push(0, 0);
        }
        else if (fractionLen === 1) {
            parsedNumber.digits.push(0);
        }
        parsedNumber.integerLen += 2;
    }
    return parsedNumber;
}
/**
 * Parses a number.
 * Significant bits of this parse algorithm came from https://github.com/MikeMcl/big.js/
 */
function parseNumber(num) {
    let numStr = Math.abs(num) + '';
    let exponent = 0, digits, integerLen;
    let i, j, zeros;
    // Decimal point?
    if ((integerLen = numStr.indexOf(DECIMAL_SEP)) > -1) {
        numStr = numStr.replace(DECIMAL_SEP, '');
    }
    // Exponential form?
    if ((i = numStr.search(/e/i)) > 0) {
        // Work out the exponent.
        if (integerLen < 0)
            integerLen = i;
        integerLen += +numStr.slice(i + 1);
        numStr = numStr.substring(0, i);
    }
    else if (integerLen < 0) {
        // There was no decimal point or exponent so it is an integer.
        integerLen = numStr.length;
    }
    // Count the number of leading zeros.
    for (i = 0; numStr.charAt(i) === ZERO_CHAR; i++) { /* empty */
    }
    if (i === (zeros = numStr.length)) {
        // The digits are all zero.
        digits = [0];
        integerLen = 1;
    }
    else {
        // Count the number of trailing zeros
        zeros--;
        while (numStr.charAt(zeros) === ZERO_CHAR)
            zeros--;
        // Trailing zeros are insignificant so ignore them
        integerLen -= i;
        digits = [];
        // Convert string to array of digits without leading/trailing zeros.
        for (j = 0; i <= zeros; i++, j++) {
            digits[j] = Number(numStr.charAt(i));
        }
    }
    // If the number overflows the maximum allowed digits then use an exponent.
    if (integerLen > MAX_DIGITS) {
        digits = digits.splice(0, MAX_DIGITS - 1);
        exponent = integerLen - 1;
        integerLen = 1;
    }
    return { digits, exponent, integerLen };
}
/**
 * Round the parsed number to the specified number of decimal places
 * This function changes the parsedNumber in-place
 */
function roundNumber(parsedNumber, minFrac, maxFrac) {
    if (minFrac > maxFrac) {
        throw new Error(`The minimum number of digits after fraction (${minFrac}) is higher than the maximum (${maxFrac}).`);
    }
    let digits = parsedNumber.digits;
    let fractionLen = digits.length - parsedNumber.integerLen;
    const fractionSize = Math.min(Math.max(minFrac, fractionLen), maxFrac);
    // The index of the digit to where rounding is to occur
    let roundAt = fractionSize + parsedNumber.integerLen;
    let digit = digits[roundAt];
    if (roundAt > 0) {
        // Drop fractional digits beyond `roundAt`
        digits.splice(Math.max(parsedNumber.integerLen, roundAt));
        // Set non-fractional digits beyond `roundAt` to 0
        for (let j = roundAt; j < digits.length; j++) {
            digits[j] = 0;
        }
    }
    else {
        // We rounded to zero so reset the parsedNumber
        fractionLen = Math.max(0, fractionLen);
        parsedNumber.integerLen = 1;
        digits.length = Math.max(1, roundAt = fractionSize + 1);
        digits[0] = 0;
        for (let i = 1; i < roundAt; i++)
            digits[i] = 0;
    }
    if (digit >= 5) {
        if (roundAt - 1 < 0) {
            for (let k = 0; k > roundAt; k--) {
                digits.unshift(0);
                parsedNumber.integerLen++;
            }
            digits.unshift(1);
            parsedNumber.integerLen++;
        }
        else {
            digits[roundAt - 1]++;
        }
    }
    // Pad out with zeros to get the required fraction length
    for (; fractionLen < Math.max(0, fractionSize); fractionLen++)
        digits.push(0);
    let dropTrailingZeros = fractionSize !== 0;
    // Minimal length = nb of decimals required + current nb of integers
    // Any number besides that is optional and can be removed if it's a trailing 0
    const minLen = minFrac + parsedNumber.integerLen;
    // Do any carrying, e.g. a digit was rounded up to 10
    const carry = digits.reduceRight(function (carry, d, i, digits) {
        d = d + carry;
        digits[i] = d < 10 ? d : d - 10; // d % 10
        if (dropTrailingZeros) {
            // Do not keep meaningless fractional trailing zeros (e.g. 15.52000 --> 15.52)
            if (digits[i] === 0 && i >= minLen) {
                digits.pop();
            }
            else {
                dropTrailingZeros = false;
            }
        }
        return d >= 10 ? 1 : 0; // Math.floor(d / 10);
    }, 0);
    if (carry) {
        digits.unshift(carry);
        parsedNumber.integerLen++;
    }
}
function parseIntAutoRadix(text) {
    const result = parseInt(text);
    if (isNaN(result)) {
        throw new Error('Invalid integer literal when parsing ' + text);
    }
    return result;
}

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
/**
 * @publicApi
 */
class NgLocalization {
}
/**
 * Returns the plural category for a given value.
 * - "=value" when the case exists,
 * - the plural category otherwise
 */
function getPluralCategory(value, cases, ngLocalization, locale) {
    let key = `=${value}`;
    if (cases.indexOf(key) > -1) {
        return key;
    }
    key = ngLocalization.getPluralCategory(value, locale);
    if (cases.indexOf(key) > -1) {
        return key;
    }
    if (cases.indexOf('other') > -1) {
        return 'other';
    }
    throw new Error(`No plural message found for value "${value}"`);
}
/**
 * Returns the plural case based on the locale
 *
 * @publicApi
 */
class NgLocaleLocalization extends NgLocalization {
    constructor(locale) {
        super();
        this.locale = locale;
    }
    getPluralCategory(value, locale) {
        const plural = getLocalePluralCase(locale || this.locale)(value);
        switch (plural) {
            case Plural.Zero:
                return 'zero';
            case Plural.One:
                return 'one';
            case Plural.Two:
                return 'two';
            case Plural.Few:
                return 'few';
            case Plural.Many:
                return 'many';
            default:
                return 'other';
        }
    }
}
NgLocaleLocalization.ɵfac = function NgLocaleLocalization_Factory(t) { return new (t || NgLocaleLocalization)(_angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵɵinject"](_angular_core__WEBPACK_IMPORTED_MODULE_0__.LOCALE_ID)); };
NgLocaleLocalization.ɵprov = /*@__PURE__*/ _angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵɵdefineInjectable"]({ token: NgLocaleLocalization, factory: NgLocaleLocalization.ɵfac });
NgLocaleLocalization.ctorParameters = () => [
    { type: String, decorators: [{ type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Inject, args: [_angular_core__WEBPACK_IMPORTED_MODULE_0__.LOCALE_ID,] }] }
];
(function () { (typeof ngDevMode === "undefined" || ngDevMode) && _angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵsetClassMetadata"](NgLocaleLocalization, [{
        type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Injectable
    }], function () { return [{ type: String, decorators: [{
                type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Inject,
                args: [_angular_core__WEBPACK_IMPORTED_MODULE_0__.LOCALE_ID]
            }] }]; }, null); })();

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
/**
 * Register global data to be used internally by Angular. See the
 * ["I18n guide"](guide/i18n#i18n-pipes) to know how to import additional locale data.
 *
 * The signature registerLocaleData(data: any, extraData?: any) is deprecated since v5.1
 *
 * @publicApi
 */
function registerLocaleData(data, localeId, extraData) {
    return (0,_angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵregisterLocaleData"])(data, localeId, extraData);
}

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
function parseCookieValue(cookieStr, name) {
    name = encodeURIComponent(name);
    for (const cookie of cookieStr.split(';')) {
        const eqIndex = cookie.indexOf('=');
        const [cookieName, cookieValue] = eqIndex == -1 ? [cookie, ''] : [cookie.slice(0, eqIndex), cookie.slice(eqIndex + 1)];
        if (cookieName.trim() === name) {
            return decodeURIComponent(cookieValue);
        }
    }
    return null;
}

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
/**
 * @ngModule CommonModule
 *
 * @usageNotes
 * ```
 *     <some-element [ngClass]="'first second'">...</some-element>
 *
 *     <some-element [ngClass]="['first', 'second']">...</some-element>
 *
 *     <some-element [ngClass]="{'first': true, 'second': true, 'third': false}">...</some-element>
 *
 *     <some-element [ngClass]="stringExp|arrayExp|objExp">...</some-element>
 *
 *     <some-element [ngClass]="{'class1 class2 class3' : true}">...</some-element>
 * ```
 *
 * @description
 *
 * Adds and removes CSS classes on an HTML element.
 *
 * The CSS classes are updated as follows, depending on the type of the expression evaluation:
 * - `string` - the CSS classes listed in the string (space delimited) are added,
 * - `Array` - the CSS classes declared as Array elements are added,
 * - `Object` - keys are CSS classes that get added when the expression given in the value
 *              evaluates to a truthy value, otherwise they are removed.
 *
 * @publicApi
 */
class NgClass {
    constructor(_iterableDiffers, _keyValueDiffers, _ngEl, _renderer) {
        this._iterableDiffers = _iterableDiffers;
        this._keyValueDiffers = _keyValueDiffers;
        this._ngEl = _ngEl;
        this._renderer = _renderer;
        this._iterableDiffer = null;
        this._keyValueDiffer = null;
        this._initialClasses = [];
        this._rawClass = null;
    }
    set klass(value) {
        this._removeClasses(this._initialClasses);
        this._initialClasses = typeof value === 'string' ? value.split(/\s+/) : [];
        this._applyClasses(this._initialClasses);
        this._applyClasses(this._rawClass);
    }
    set ngClass(value) {
        this._removeClasses(this._rawClass);
        this._applyClasses(this._initialClasses);
        this._iterableDiffer = null;
        this._keyValueDiffer = null;
        this._rawClass = typeof value === 'string' ? value.split(/\s+/) : value;
        if (this._rawClass) {
            if ((0,_angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵisListLikeIterable"])(this._rawClass)) {
                this._iterableDiffer = this._iterableDiffers.find(this._rawClass).create();
            }
            else {
                this._keyValueDiffer = this._keyValueDiffers.find(this._rawClass).create();
            }
        }
    }
    ngDoCheck() {
        if (this._iterableDiffer) {
            const iterableChanges = this._iterableDiffer.diff(this._rawClass);
            if (iterableChanges) {
                this._applyIterableChanges(iterableChanges);
            }
        }
        else if (this._keyValueDiffer) {
            const keyValueChanges = this._keyValueDiffer.diff(this._rawClass);
            if (keyValueChanges) {
                this._applyKeyValueChanges(keyValueChanges);
            }
        }
    }
    _applyKeyValueChanges(changes) {
        changes.forEachAddedItem((record) => this._toggleClass(record.key, record.currentValue));
        changes.forEachChangedItem((record) => this._toggleClass(record.key, record.currentValue));
        changes.forEachRemovedItem((record) => {
            if (record.previousValue) {
                this._toggleClass(record.key, false);
            }
        });
    }
    _applyIterableChanges(changes) {
        changes.forEachAddedItem((record) => {
            if (typeof record.item === 'string') {
                this._toggleClass(record.item, true);
            }
            else {
                throw new Error(`NgClass can only toggle CSS classes expressed as strings, got ${(0,_angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵstringify"])(record.item)}`);
            }
        });
        changes.forEachRemovedItem((record) => this._toggleClass(record.item, false));
    }
    /**
     * Applies a collection of CSS classes to the DOM element.
     *
     * For argument of type Set and Array CSS class names contained in those collections are always
     * added.
     * For argument of type Map CSS class name in the map's key is toggled based on the value (added
     * for truthy and removed for falsy).
     */
    _applyClasses(rawClassVal) {
        if (rawClassVal) {
            if (Array.isArray(rawClassVal) || rawClassVal instanceof Set) {
                rawClassVal.forEach((klass) => this._toggleClass(klass, true));
            }
            else {
                Object.keys(rawClassVal).forEach(klass => this._toggleClass(klass, !!rawClassVal[klass]));
            }
        }
    }
    /**
     * Removes a collection of CSS classes from the DOM element. This is mostly useful for cleanup
     * purposes.
     */
    _removeClasses(rawClassVal) {
        if (rawClassVal) {
            if (Array.isArray(rawClassVal) || rawClassVal instanceof Set) {
                rawClassVal.forEach((klass) => this._toggleClass(klass, false));
            }
            else {
                Object.keys(rawClassVal).forEach(klass => this._toggleClass(klass, false));
            }
        }
    }
    _toggleClass(klass, enabled) {
        klass = klass.trim();
        if (klass) {
            klass.split(/\s+/g).forEach(klass => {
                if (enabled) {
                    this._renderer.addClass(this._ngEl.nativeElement, klass);
                }
                else {
                    this._renderer.removeClass(this._ngEl.nativeElement, klass);
                }
            });
        }
    }
}
NgClass.ɵfac = function NgClass_Factory(t) { return new (t || NgClass)(_angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵɵdirectiveInject"](_angular_core__WEBPACK_IMPORTED_MODULE_0__.IterableDiffers), _angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵɵdirectiveInject"](_angular_core__WEBPACK_IMPORTED_MODULE_0__.KeyValueDiffers), _angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵɵdirectiveInject"](_angular_core__WEBPACK_IMPORTED_MODULE_0__.ElementRef), _angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵɵdirectiveInject"](_angular_core__WEBPACK_IMPORTED_MODULE_0__.Renderer2)); };
NgClass.ɵdir = /*@__PURE__*/ _angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵɵdefineDirective"]({ type: NgClass, selectors: [["", "ngClass", ""]], inputs: { klass: ["class", "klass"], ngClass: "ngClass" } });
NgClass.ctorParameters = () => [
    { type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.IterableDiffers },
    { type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.KeyValueDiffers },
    { type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.ElementRef },
    { type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Renderer2 }
];
NgClass.propDecorators = {
    klass: [{ type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Input, args: ['class',] }],
    ngClass: [{ type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Input, args: ['ngClass',] }]
};
(function () { (typeof ngDevMode === "undefined" || ngDevMode) && _angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵsetClassMetadata"](NgClass, [{
        type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Directive,
        args: [{ selector: '[ngClass]' }]
    }], function () { return [{ type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.IterableDiffers }, { type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.KeyValueDiffers }, { type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.ElementRef }, { type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Renderer2 }]; }, { klass: [{
            type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Input,
            args: ['class']
        }], ngClass: [{
            type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Input,
            args: ['ngClass']
        }] }); })();

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
/**
 * Instantiates a single {@link Component} type and inserts its Host View into current View.
 * `NgComponentOutlet` provides a declarative approach for dynamic component creation.
 *
 * `NgComponentOutlet` requires a component type, if a falsy value is set the view will clear and
 * any existing component will get destroyed.
 *
 * @usageNotes
 *
 * ### Fine tune control
 *
 * You can control the component creation process by using the following optional attributes:
 *
 * * `ngComponentOutletInjector`: Optional custom {@link Injector} that will be used as parent for
 * the Component. Defaults to the injector of the current view container.
 *
 * * `ngComponentOutletContent`: Optional list of projectable nodes to insert into the content
 * section of the component, if exists.
 *
 * * `ngComponentOutletNgModuleFactory`: Optional module factory to allow dynamically loading other
 * module, then load a component from that module.
 *
 * ### Syntax
 *
 * Simple
 * ```
 * <ng-container *ngComponentOutlet="componentTypeExpression"></ng-container>
 * ```
 *
 * Customized injector/content
 * ```
 * <ng-container *ngComponentOutlet="componentTypeExpression;
 *                                   injector: injectorExpression;
 *                                   content: contentNodesExpression;">
 * </ng-container>
 * ```
 *
 * Customized ngModuleFactory
 * ```
 * <ng-container *ngComponentOutlet="componentTypeExpression;
 *                                   ngModuleFactory: moduleFactory;">
 * </ng-container>
 * ```
 *
 * ### A simple example
 *
 * {@example common/ngComponentOutlet/ts/module.ts region='SimpleExample'}
 *
 * A more complete example with additional options:
 *
 * {@example common/ngComponentOutlet/ts/module.ts region='CompleteExample'}
 *
 * @publicApi
 * @ngModule CommonModule
 */
class NgComponentOutlet {
    constructor(_viewContainerRef) {
        this._viewContainerRef = _viewContainerRef;
        this._componentRef = null;
        this._moduleRef = null;
    }
    ngOnChanges(changes) {
        this._viewContainerRef.clear();
        this._componentRef = null;
        if (this.ngComponentOutlet) {
            const elInjector = this.ngComponentOutletInjector || this._viewContainerRef.parentInjector;
            if (changes['ngComponentOutletNgModuleFactory']) {
                if (this._moduleRef)
                    this._moduleRef.destroy();
                if (this.ngComponentOutletNgModuleFactory) {
                    const parentModule = elInjector.get(_angular_core__WEBPACK_IMPORTED_MODULE_0__.NgModuleRef);
                    this._moduleRef = this.ngComponentOutletNgModuleFactory.create(parentModule.injector);
                }
                else {
                    this._moduleRef = null;
                }
            }
            const componentFactoryResolver = this._moduleRef ? this._moduleRef.componentFactoryResolver :
                elInjector.get(_angular_core__WEBPACK_IMPORTED_MODULE_0__.ComponentFactoryResolver);
            const componentFactory = componentFactoryResolver.resolveComponentFactory(this.ngComponentOutlet);
            this._componentRef = this._viewContainerRef.createComponent(componentFactory, this._viewContainerRef.length, elInjector, this.ngComponentOutletContent);
        }
    }
    ngOnDestroy() {
        if (this._moduleRef)
            this._moduleRef.destroy();
    }
}
NgComponentOutlet.ɵfac = function NgComponentOutlet_Factory(t) { return new (t || NgComponentOutlet)(_angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵɵdirectiveInject"](_angular_core__WEBPACK_IMPORTED_MODULE_0__.ViewContainerRef)); };
NgComponentOutlet.ɵdir = /*@__PURE__*/ _angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵɵdefineDirective"]({ type: NgComponentOutlet, selectors: [["", "ngComponentOutlet", ""]], inputs: { ngComponentOutlet: "ngComponentOutlet", ngComponentOutletInjector: "ngComponentOutletInjector", ngComponentOutletContent: "ngComponentOutletContent", ngComponentOutletNgModuleFactory: "ngComponentOutletNgModuleFactory" }, features: [_angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵɵNgOnChangesFeature"]] });
NgComponentOutlet.ctorParameters = () => [
    { type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.ViewContainerRef }
];
NgComponentOutlet.propDecorators = {
    ngComponentOutlet: [{ type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Input }],
    ngComponentOutletInjector: [{ type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Input }],
    ngComponentOutletContent: [{ type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Input }],
    ngComponentOutletNgModuleFactory: [{ type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Input }]
};
(function () { (typeof ngDevMode === "undefined" || ngDevMode) && _angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵsetClassMetadata"](NgComponentOutlet, [{
        type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Directive,
        args: [{ selector: '[ngComponentOutlet]' }]
    }], function () { return [{ type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.ViewContainerRef }]; }, { ngComponentOutlet: [{
            type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Input
        }], ngComponentOutletInjector: [{
            type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Input
        }], ngComponentOutletContent: [{
            type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Input
        }], ngComponentOutletNgModuleFactory: [{
            type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Input
        }] }); })();

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
/**
 * @publicApi
 */
class NgForOfContext {
    constructor($implicit, ngForOf, index, count) {
        this.$implicit = $implicit;
        this.ngForOf = ngForOf;
        this.index = index;
        this.count = count;
    }
    get first() {
        return this.index === 0;
    }
    get last() {
        return this.index === this.count - 1;
    }
    get even() {
        return this.index % 2 === 0;
    }
    get odd() {
        return !this.even;
    }
}
/**
 * A [structural directive](guide/structural-directives) that renders
 * a template for each item in a collection.
 * The directive is placed on an element, which becomes the parent
 * of the cloned templates.
 *
 * The `ngForOf` directive is generally used in the
 * [shorthand form](guide/structural-directives#asterisk) `*ngFor`.
 * In this form, the template to be rendered for each iteration is the content
 * of an anchor element containing the directive.
 *
 * The following example shows the shorthand syntax with some options,
 * contained in an `<li>` element.
 *
 * ```
 * <li *ngFor="let item of items; index as i; trackBy: trackByFn">...</li>
 * ```
 *
 * The shorthand form expands into a long form that uses the `ngForOf` selector
 * on an `<ng-template>` element.
 * The content of the `<ng-template>` element is the `<li>` element that held the
 * short-form directive.
 *
 * Here is the expanded version of the short-form example.
 *
 * ```
 * <ng-template ngFor let-item [ngForOf]="items" let-i="index" [ngForTrackBy]="trackByFn">
 *   <li>...</li>
 * </ng-template>
 * ```
 *
 * Angular automatically expands the shorthand syntax as it compiles the template.
 * The context for each embedded view is logically merged to the current component
 * context according to its lexical position.
 *
 * When using the shorthand syntax, Angular allows only [one structural directive
 * on an element](guide/built-in-directives#one-per-element).
 * If you want to iterate conditionally, for example,
 * put the `*ngIf` on a container element that wraps the `*ngFor` element.
 * For futher discussion, see
 * [Structural Directives](guide/built-in-directives#one-per-element).
 *
 * @usageNotes
 *
 * ### Local variables
 *
 * `NgForOf` provides exported values that can be aliased to local variables.
 * For example:
 *
 *  ```
 * <li *ngFor="let user of users; index as i; first as isFirst">
 *    {{i}}/{{users.length}}. {{user}} <span *ngIf="isFirst">default</span>
 * </li>
 * ```
 *
 * The following exported values can be aliased to local variables:
 *
 * - `$implicit: T`: The value of the individual items in the iterable (`ngForOf`).
 * - `ngForOf: NgIterable<T>`: The value of the iterable expression. Useful when the expression is
 * more complex then a property access, for example when using the async pipe (`userStreams |
 * async`).
 * - `index: number`: The index of the current item in the iterable.
 * - `count: number`: The length of the iterable.
 * - `first: boolean`: True when the item is the first item in the iterable.
 * - `last: boolean`: True when the item is the last item in the iterable.
 * - `even: boolean`: True when the item has an even index in the iterable.
 * - `odd: boolean`: True when the item has an odd index in the iterable.
 *
 * ### Change propagation
 *
 * When the contents of the iterator changes, `NgForOf` makes the corresponding changes to the DOM:
 *
 * * When an item is added, a new instance of the template is added to the DOM.
 * * When an item is removed, its template instance is removed from the DOM.
 * * When items are reordered, their respective templates are reordered in the DOM.
 *
 * Angular uses object identity to track insertions and deletions within the iterator and reproduce
 * those changes in the DOM. This has important implications for animations and any stateful
 * controls that are present, such as `<input>` elements that accept user input. Inserted rows can
 * be animated in, deleted rows can be animated out, and unchanged rows retain any unsaved state
 * such as user input.
 * For more on animations, see [Transitions and Triggers](guide/transition-and-triggers).
 *
 * The identities of elements in the iterator can change while the data does not.
 * This can happen, for example, if the iterator is produced from an RPC to the server, and that
 * RPC is re-run. Even if the data hasn't changed, the second response produces objects with
 * different identities, and Angular must tear down the entire DOM and rebuild it (as if all old
 * elements were deleted and all new elements inserted).
 *
 * To avoid this expensive operation, you can customize the default tracking algorithm.
 * by supplying the `trackBy` option to `NgForOf`.
 * `trackBy` takes a function that has two arguments: `index` and `item`.
 * If `trackBy` is given, Angular tracks changes by the return value of the function.
 *
 * @see [Structural Directives](guide/structural-directives)
 * @ngModule CommonModule
 * @publicApi
 */
class NgForOf {
    constructor(_viewContainer, _template, _differs) {
        this._viewContainer = _viewContainer;
        this._template = _template;
        this._differs = _differs;
        this._ngForOf = null;
        this._ngForOfDirty = true;
        this._differ = null;
    }
    /**
     * The value of the iterable expression, which can be used as a
     * [template input variable](guide/structural-directives#shorthand).
     */
    set ngForOf(ngForOf) {
        this._ngForOf = ngForOf;
        this._ngForOfDirty = true;
    }
    /**
     * Specifies a custom `TrackByFunction` to compute the identity of items in an iterable.
     *
     * If a custom `TrackByFunction` is not provided, `NgForOf` will use the item's [object
     * identity](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Object/is)
     * as the key.
     *
     * `NgForOf` uses the computed key to associate items in an iterable with DOM elements
     * it produces for these items.
     *
     * A custom `TrackByFunction` is useful to provide good user experience in cases when items in an
     * iterable rendered using `NgForOf` have a natural identifier (for example, custom ID or a
     * primary key), and this iterable could be updated with new object instances that still
     * represent the same underlying entity (for example, when data is re-fetched from the server,
     * and the iterable is recreated and re-rendered, but most of the data is still the same).
     *
     * @see `TrackByFunction`
     */
    set ngForTrackBy(fn) {
        if ((typeof ngDevMode === 'undefined' || ngDevMode) && fn != null && typeof fn !== 'function') {
            // TODO(vicb): use a log service once there is a public one available
            if (console && console.warn) {
                console.warn(`trackBy must be a function, but received ${JSON.stringify(fn)}. ` +
                    `See https://angular.io/api/common/NgForOf#change-propagation for more information.`);
            }
        }
        this._trackByFn = fn;
    }
    get ngForTrackBy() {
        return this._trackByFn;
    }
    /**
     * A reference to the template that is stamped out for each item in the iterable.
     * @see [template reference variable](guide/template-reference-variables)
     */
    set ngForTemplate(value) {
        // TODO(TS2.1): make TemplateRef<Partial<NgForRowOf<T>>> once we move to TS v2.1
        // The current type is too restrictive; a template that just uses index, for example,
        // should be acceptable.
        if (value) {
            this._template = value;
        }
    }
    /**
     * Applies the changes when needed.
     */
    ngDoCheck() {
        if (this._ngForOfDirty) {
            this._ngForOfDirty = false;
            // React on ngForOf changes only once all inputs have been initialized
            const value = this._ngForOf;
            if (!this._differ && value) {
                try {
                    this._differ = this._differs.find(value).create(this.ngForTrackBy);
                }
                catch (_a) {
                    throw new Error(`Cannot find a differ supporting object '${value}' of type '${getTypeName(value)}'. NgFor only supports binding to Iterables such as Arrays.`);
                }
            }
        }
        if (this._differ) {
            const changes = this._differ.diff(this._ngForOf);
            if (changes)
                this._applyChanges(changes);
        }
    }
    _applyChanges(changes) {
        const insertTuples = [];
        changes.forEachOperation((item, adjustedPreviousIndex, currentIndex) => {
            if (item.previousIndex == null) {
                // NgForOf is never "null" or "undefined" here because the differ detected
                // that a new item needs to be inserted from the iterable. This implies that
                // there is an iterable value for "_ngForOf".
                const view = this._viewContainer.createEmbeddedView(this._template, new NgForOfContext(null, this._ngForOf, -1, -1), currentIndex === null ? undefined : currentIndex);
                const tuple = new RecordViewTuple(item, view);
                insertTuples.push(tuple);
            }
            else if (currentIndex == null) {
                this._viewContainer.remove(adjustedPreviousIndex === null ? undefined : adjustedPreviousIndex);
            }
            else if (adjustedPreviousIndex !== null) {
                const view = this._viewContainer.get(adjustedPreviousIndex);
                this._viewContainer.move(view, currentIndex);
                const tuple = new RecordViewTuple(item, view);
                insertTuples.push(tuple);
            }
        });
        for (let i = 0; i < insertTuples.length; i++) {
            this._perViewChange(insertTuples[i].view, insertTuples[i].record);
        }
        for (let i = 0, ilen = this._viewContainer.length; i < ilen; i++) {
            const viewRef = this._viewContainer.get(i);
            viewRef.context.index = i;
            viewRef.context.count = ilen;
            viewRef.context.ngForOf = this._ngForOf;
        }
        changes.forEachIdentityChange((record) => {
            const viewRef = this._viewContainer.get(record.currentIndex);
            viewRef.context.$implicit = record.item;
        });
    }
    _perViewChange(view, record) {
        view.context.$implicit = record.item;
    }
    /**
     * Asserts the correct type of the context for the template that `NgForOf` will render.
     *
     * The presence of this method is a signal to the Ivy template type-check compiler that the
     * `NgForOf` structural directive renders its template with a specific context type.
     */
    static ngTemplateContextGuard(dir, ctx) {
        return true;
    }
}
NgForOf.ɵfac = function NgForOf_Factory(t) { return new (t || NgForOf)(_angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵɵdirectiveInject"](_angular_core__WEBPACK_IMPORTED_MODULE_0__.ViewContainerRef), _angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵɵdirectiveInject"](_angular_core__WEBPACK_IMPORTED_MODULE_0__.TemplateRef), _angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵɵdirectiveInject"](_angular_core__WEBPACK_IMPORTED_MODULE_0__.IterableDiffers)); };
NgForOf.ɵdir = /*@__PURE__*/ _angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵɵdefineDirective"]({ type: NgForOf, selectors: [["", "ngFor", "", "ngForOf", ""]], inputs: { ngForOf: "ngForOf", ngForTrackBy: "ngForTrackBy", ngForTemplate: "ngForTemplate" } });
NgForOf.ctorParameters = () => [
    { type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.ViewContainerRef },
    { type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.TemplateRef },
    { type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.IterableDiffers }
];
NgForOf.propDecorators = {
    ngForOf: [{ type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Input }],
    ngForTrackBy: [{ type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Input }],
    ngForTemplate: [{ type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Input }]
};
(function () { (typeof ngDevMode === "undefined" || ngDevMode) && _angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵsetClassMetadata"](NgForOf, [{
        type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Directive,
        args: [{ selector: '[ngFor][ngForOf]' }]
    }], function () { return [{ type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.ViewContainerRef }, { type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.TemplateRef }, { type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.IterableDiffers }]; }, { ngForOf: [{
            type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Input
        }], ngForTrackBy: [{
            type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Input
        }], ngForTemplate: [{
            type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Input
        }] }); })();
class RecordViewTuple {
    constructor(record, view) {
        this.record = record;
        this.view = view;
    }
}
function getTypeName(type) {
    return type['name'] || typeof type;
}

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
/**
 * A structural directive that conditionally includes a template based on the value of
 * an expression coerced to Boolean.
 * When the expression evaluates to true, Angular renders the template
 * provided in a `then` clause, and when  false or null,
 * Angular renders the template provided in an optional `else` clause. The default
 * template for the `else` clause is blank.
 *
 * A [shorthand form](guide/structural-directives#asterisk) of the directive,
 * `*ngIf="condition"`, is generally used, provided
 * as an attribute of the anchor element for the inserted template.
 * Angular expands this into a more explicit version, in which the anchor element
 * is contained in an `<ng-template>` element.
 *
 * Simple form with shorthand syntax:
 *
 * ```
 * <div *ngIf="condition">Content to render when condition is true.</div>
 * ```
 *
 * Simple form with expanded syntax:
 *
 * ```
 * <ng-template [ngIf]="condition"><div>Content to render when condition is
 * true.</div></ng-template>
 * ```
 *
 * Form with an "else" block:
 *
 * ```
 * <div *ngIf="condition; else elseBlock">Content to render when condition is true.</div>
 * <ng-template #elseBlock>Content to render when condition is false.</ng-template>
 * ```
 *
 * Shorthand form with "then" and "else" blocks:
 *
 * ```
 * <div *ngIf="condition; then thenBlock else elseBlock"></div>
 * <ng-template #thenBlock>Content to render when condition is true.</ng-template>
 * <ng-template #elseBlock>Content to render when condition is false.</ng-template>
 * ```
 *
 * Form with storing the value locally:
 *
 * ```
 * <div *ngIf="condition as value; else elseBlock">{{value}}</div>
 * <ng-template #elseBlock>Content to render when value is null.</ng-template>
 * ```
 *
 * @usageNotes
 *
 * The `*ngIf` directive is most commonly used to conditionally show an inline template,
 * as seen in the following  example.
 * The default `else` template is blank.
 *
 * {@example common/ngIf/ts/module.ts region='NgIfSimple'}
 *
 * ### Showing an alternative template using `else`
 *
 * To display a template when `expression` evaluates to false, use an `else` template
 * binding as shown in the following example.
 * The `else` binding points to an `<ng-template>`  element labeled `#elseBlock`.
 * The template can be defined anywhere in the component view, but is typically placed right after
 * `ngIf` for readability.
 *
 * {@example common/ngIf/ts/module.ts region='NgIfElse'}
 *
 * ### Using an external `then` template
 *
 * In the previous example, the then-clause template is specified inline, as the content of the
 * tag that contains the `ngIf` directive. You can also specify a template that is defined
 * externally, by referencing a labeled `<ng-template>` element. When you do this, you can
 * change which template to use at runtime, as shown in the following example.
 *
 * {@example common/ngIf/ts/module.ts region='NgIfThenElse'}
 *
 * ### Storing a conditional result in a variable
 *
 * You might want to show a set of properties from the same object. If you are waiting
 * for asynchronous data, the object can be undefined.
 * In this case, you can use `ngIf` and store the result of the condition in a local
 * variable as shown in the following example.
 *
 * {@example common/ngIf/ts/module.ts region='NgIfAs'}
 *
 * This code uses only one `AsyncPipe`, so only one subscription is created.
 * The conditional statement stores the result of `userStream|async` in the local variable `user`.
 * You can then bind the local `user` repeatedly.
 *
 * The conditional displays the data only if `userStream` returns a value,
 * so you don't need to use the
 * safe-navigation-operator (`?.`)
 * to guard against null values when accessing properties.
 * You can display an alternative template while waiting for the data.
 *
 * ### Shorthand syntax
 *
 * The shorthand syntax `*ngIf` expands into two separate template specifications
 * for the "then" and "else" clauses. For example, consider the following shorthand statement,
 * that is meant to show a loading page while waiting for data to be loaded.
 *
 * ```
 * <div class="hero-list" *ngIf="heroes else loading">
 *  ...
 * </div>
 *
 * <ng-template #loading>
 *  <div>Loading...</div>
 * </ng-template>
 * ```
 *
 * You can see that the "else" clause references the `<ng-template>`
 * with the `#loading` label, and the template for the "then" clause
 * is provided as the content of the anchor element.
 *
 * However, when Angular expands the shorthand syntax, it creates
 * another `<ng-template>` tag, with `ngIf` and `ngIfElse` directives.
 * The anchor element containing the template for the "then" clause becomes
 * the content of this unlabeled `<ng-template>` tag.
 *
 * ```
 * <ng-template [ngIf]="heroes" [ngIfElse]="loading">
 *  <div class="hero-list">
 *   ...
 *  </div>
 * </ng-template>
 *
 * <ng-template #loading>
 *  <div>Loading...</div>
 * </ng-template>
 * ```
 *
 * The presence of the implicit template object has implications for the nesting of
 * structural directives. For more on this subject, see
 * [Structural Directives](https://angular.io/guide/built-in-directives#one-per-element).
 *
 * @ngModule CommonModule
 * @publicApi
 */
class NgIf {
    constructor(_viewContainer, templateRef) {
        this._viewContainer = _viewContainer;
        this._context = new NgIfContext();
        this._thenTemplateRef = null;
        this._elseTemplateRef = null;
        this._thenViewRef = null;
        this._elseViewRef = null;
        this._thenTemplateRef = templateRef;
    }
    /**
     * The Boolean expression to evaluate as the condition for showing a template.
     */
    set ngIf(condition) {
        this._context.$implicit = this._context.ngIf = condition;
        this._updateView();
    }
    /**
     * A template to show if the condition expression evaluates to true.
     */
    set ngIfThen(templateRef) {
        assertTemplate('ngIfThen', templateRef);
        this._thenTemplateRef = templateRef;
        this._thenViewRef = null; // clear previous view if any.
        this._updateView();
    }
    /**
     * A template to show if the condition expression evaluates to false.
     */
    set ngIfElse(templateRef) {
        assertTemplate('ngIfElse', templateRef);
        this._elseTemplateRef = templateRef;
        this._elseViewRef = null; // clear previous view if any.
        this._updateView();
    }
    _updateView() {
        if (this._context.$implicit) {
            if (!this._thenViewRef) {
                this._viewContainer.clear();
                this._elseViewRef = null;
                if (this._thenTemplateRef) {
                    this._thenViewRef =
                        this._viewContainer.createEmbeddedView(this._thenTemplateRef, this._context);
                }
            }
        }
        else {
            if (!this._elseViewRef) {
                this._viewContainer.clear();
                this._thenViewRef = null;
                if (this._elseTemplateRef) {
                    this._elseViewRef =
                        this._viewContainer.createEmbeddedView(this._elseTemplateRef, this._context);
                }
            }
        }
    }
    /**
     * Asserts the correct type of the context for the template that `NgIf` will render.
     *
     * The presence of this method is a signal to the Ivy template type-check compiler that the
     * `NgIf` structural directive renders its template with a specific context type.
     */
    static ngTemplateContextGuard(dir, ctx) {
        return true;
    }
}
NgIf.ɵfac = function NgIf_Factory(t) { return new (t || NgIf)(_angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵɵdirectiveInject"](_angular_core__WEBPACK_IMPORTED_MODULE_0__.ViewContainerRef), _angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵɵdirectiveInject"](_angular_core__WEBPACK_IMPORTED_MODULE_0__.TemplateRef)); };
NgIf.ɵdir = /*@__PURE__*/ _angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵɵdefineDirective"]({ type: NgIf, selectors: [["", "ngIf", ""]], inputs: { ngIf: "ngIf", ngIfThen: "ngIfThen", ngIfElse: "ngIfElse" } });
NgIf.ctorParameters = () => [
    { type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.ViewContainerRef },
    { type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.TemplateRef }
];
NgIf.propDecorators = {
    ngIf: [{ type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Input }],
    ngIfThen: [{ type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Input }],
    ngIfElse: [{ type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Input }]
};
(function () { (typeof ngDevMode === "undefined" || ngDevMode) && _angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵsetClassMetadata"](NgIf, [{
        type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Directive,
        args: [{ selector: '[ngIf]' }]
    }], function () { return [{ type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.ViewContainerRef }, { type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.TemplateRef }]; }, { ngIf: [{
            type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Input
        }], ngIfThen: [{
            type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Input
        }], ngIfElse: [{
            type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Input
        }] }); })();
/**
 * @publicApi
 */
class NgIfContext {
    constructor() {
        this.$implicit = null;
        this.ngIf = null;
    }
}
function assertTemplate(property, templateRef) {
    const isTemplateRefOrNull = !!(!templateRef || templateRef.createEmbeddedView);
    if (!isTemplateRefOrNull) {
        throw new Error(`${property} must be a TemplateRef, but received '${(0,_angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵstringify"])(templateRef)}'.`);
    }
}

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
class SwitchView {
    constructor(_viewContainerRef, _templateRef) {
        this._viewContainerRef = _viewContainerRef;
        this._templateRef = _templateRef;
        this._created = false;
    }
    create() {
        this._created = true;
        this._viewContainerRef.createEmbeddedView(this._templateRef);
    }
    destroy() {
        this._created = false;
        this._viewContainerRef.clear();
    }
    enforceState(created) {
        if (created && !this._created) {
            this.create();
        }
        else if (!created && this._created) {
            this.destroy();
        }
    }
}
/**
 * @ngModule CommonModule
 *
 * @description
 * The `[ngSwitch]` directive on a container specifies an expression to match against.
 * The expressions to match are provided by `ngSwitchCase` directives on views within the container.
 * - Every view that matches is rendered.
 * - If there are no matches, a view with the `ngSwitchDefault` directive is rendered.
 * - Elements within the `[NgSwitch]` statement but outside of any `NgSwitchCase`
 * or `ngSwitchDefault` directive are preserved at the location.
 *
 * @usageNotes
 * Define a container element for the directive, and specify the switch expression
 * to match against as an attribute:
 *
 * ```
 * <container-element [ngSwitch]="switch_expression">
 * ```
 *
 * Within the container, `*ngSwitchCase` statements specify the match expressions
 * as attributes. Include `*ngSwitchDefault` as the final case.
 *
 * ```
 * <container-element [ngSwitch]="switch_expression">
 *    <some-element *ngSwitchCase="match_expression_1">...</some-element>
 * ...
 *    <some-element *ngSwitchDefault>...</some-element>
 * </container-element>
 * ```
 *
 * ### Usage Examples
 *
 * The following example shows how to use more than one case to display the same view:
 *
 * ```
 * <container-element [ngSwitch]="switch_expression">
 *   <!-- the same view can be shown in more than one case -->
 *   <some-element *ngSwitchCase="match_expression_1">...</some-element>
 *   <some-element *ngSwitchCase="match_expression_2">...</some-element>
 *   <some-other-element *ngSwitchCase="match_expression_3">...</some-other-element>
 *   <!--default case when there are no matches -->
 *   <some-element *ngSwitchDefault>...</some-element>
 * </container-element>
 * ```
 *
 * The following example shows how cases can be nested:
 * ```
 * <container-element [ngSwitch]="switch_expression">
 *       <some-element *ngSwitchCase="match_expression_1">...</some-element>
 *       <some-element *ngSwitchCase="match_expression_2">...</some-element>
 *       <some-other-element *ngSwitchCase="match_expression_3">...</some-other-element>
 *       <ng-container *ngSwitchCase="match_expression_3">
 *         <!-- use a ng-container to group multiple root nodes -->
 *         <inner-element></inner-element>
 *         <inner-other-element></inner-other-element>
 *       </ng-container>
 *       <some-element *ngSwitchDefault>...</some-element>
 *     </container-element>
 * ```
 *
 * @publicApi
 * @see `NgSwitchCase`
 * @see `NgSwitchDefault`
 * @see [Structural Directives](guide/structural-directives)
 *
 */
class NgSwitch {
    constructor() {
        this._defaultUsed = false;
        this._caseCount = 0;
        this._lastCaseCheckIndex = 0;
        this._lastCasesMatched = false;
    }
    set ngSwitch(newValue) {
        this._ngSwitch = newValue;
        if (this._caseCount === 0) {
            this._updateDefaultCases(true);
        }
    }
    /** @internal */
    _addCase() {
        return this._caseCount++;
    }
    /** @internal */
    _addDefault(view) {
        if (!this._defaultViews) {
            this._defaultViews = [];
        }
        this._defaultViews.push(view);
    }
    /** @internal */
    _matchCase(value) {
        const matched = value == this._ngSwitch;
        this._lastCasesMatched = this._lastCasesMatched || matched;
        this._lastCaseCheckIndex++;
        if (this._lastCaseCheckIndex === this._caseCount) {
            this._updateDefaultCases(!this._lastCasesMatched);
            this._lastCaseCheckIndex = 0;
            this._lastCasesMatched = false;
        }
        return matched;
    }
    _updateDefaultCases(useDefault) {
        if (this._defaultViews && useDefault !== this._defaultUsed) {
            this._defaultUsed = useDefault;
            for (let i = 0; i < this._defaultViews.length; i++) {
                const defaultView = this._defaultViews[i];
                defaultView.enforceState(useDefault);
            }
        }
    }
}
NgSwitch.ɵfac = function NgSwitch_Factory(t) { return new (t || NgSwitch)(); };
NgSwitch.ɵdir = /*@__PURE__*/ _angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵɵdefineDirective"]({ type: NgSwitch, selectors: [["", "ngSwitch", ""]], inputs: { ngSwitch: "ngSwitch" } });
NgSwitch.propDecorators = {
    ngSwitch: [{ type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Input }]
};
(function () { (typeof ngDevMode === "undefined" || ngDevMode) && _angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵsetClassMetadata"](NgSwitch, [{
        type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Directive,
        args: [{ selector: '[ngSwitch]' }]
    }], function () { return []; }, { ngSwitch: [{
            type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Input
        }] }); })();
/**
 * @ngModule CommonModule
 *
 * @description
 * Provides a switch case expression to match against an enclosing `ngSwitch` expression.
 * When the expressions match, the given `NgSwitchCase` template is rendered.
 * If multiple match expressions match the switch expression value, all of them are displayed.
 *
 * @usageNotes
 *
 * Within a switch container, `*ngSwitchCase` statements specify the match expressions
 * as attributes. Include `*ngSwitchDefault` as the final case.
 *
 * ```
 * <container-element [ngSwitch]="switch_expression">
 *   <some-element *ngSwitchCase="match_expression_1">...</some-element>
 *   ...
 *   <some-element *ngSwitchDefault>...</some-element>
 * </container-element>
 * ```
 *
 * Each switch-case statement contains an in-line HTML template or template reference
 * that defines the subtree to be selected if the value of the match expression
 * matches the value of the switch expression.
 *
 * Unlike JavaScript, which uses strict equality, Angular uses loose equality.
 * This means that the empty string, `""` matches 0.
 *
 * @publicApi
 * @see `NgSwitch`
 * @see `NgSwitchDefault`
 *
 */
class NgSwitchCase {
    constructor(viewContainer, templateRef, ngSwitch) {
        this.ngSwitch = ngSwitch;
        if ((typeof ngDevMode === 'undefined' || ngDevMode) && !ngSwitch) {
            throwNgSwitchProviderNotFoundError('ngSwitchCase', 'NgSwitchCase');
        }
        ngSwitch._addCase();
        this._view = new SwitchView(viewContainer, templateRef);
    }
    /**
     * Performs case matching. For internal use only.
     */
    ngDoCheck() {
        this._view.enforceState(this.ngSwitch._matchCase(this.ngSwitchCase));
    }
}
NgSwitchCase.ɵfac = function NgSwitchCase_Factory(t) { return new (t || NgSwitchCase)(_angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵɵdirectiveInject"](_angular_core__WEBPACK_IMPORTED_MODULE_0__.ViewContainerRef), _angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵɵdirectiveInject"](_angular_core__WEBPACK_IMPORTED_MODULE_0__.TemplateRef), _angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵɵdirectiveInject"](NgSwitch, 9)); };
NgSwitchCase.ɵdir = /*@__PURE__*/ _angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵɵdefineDirective"]({ type: NgSwitchCase, selectors: [["", "ngSwitchCase", ""]], inputs: { ngSwitchCase: "ngSwitchCase" } });
NgSwitchCase.ctorParameters = () => [
    { type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.ViewContainerRef },
    { type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.TemplateRef },
    { type: NgSwitch, decorators: [{ type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Optional }, { type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Host }] }
];
NgSwitchCase.propDecorators = {
    ngSwitchCase: [{ type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Input }]
};
(function () { (typeof ngDevMode === "undefined" || ngDevMode) && _angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵsetClassMetadata"](NgSwitchCase, [{
        type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Directive,
        args: [{ selector: '[ngSwitchCase]' }]
    }], function () { return [{ type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.ViewContainerRef }, { type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.TemplateRef }, { type: NgSwitch, decorators: [{
                type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Optional
            }, {
                type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Host
            }] }]; }, { ngSwitchCase: [{
            type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Input
        }] }); })();
/**
 * @ngModule CommonModule
 *
 * @description
 *
 * Creates a view that is rendered when no `NgSwitchCase` expressions
 * match the `NgSwitch` expression.
 * This statement should be the final case in an `NgSwitch`.
 *
 * @publicApi
 * @see `NgSwitch`
 * @see `NgSwitchCase`
 *
 */
class NgSwitchDefault {
    constructor(viewContainer, templateRef, ngSwitch) {
        if ((typeof ngDevMode === 'undefined' || ngDevMode) && !ngSwitch) {
            throwNgSwitchProviderNotFoundError('ngSwitchDefault', 'NgSwitchDefault');
        }
        ngSwitch._addDefault(new SwitchView(viewContainer, templateRef));
    }
}
NgSwitchDefault.ɵfac = function NgSwitchDefault_Factory(t) { return new (t || NgSwitchDefault)(_angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵɵdirectiveInject"](_angular_core__WEBPACK_IMPORTED_MODULE_0__.ViewContainerRef), _angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵɵdirectiveInject"](_angular_core__WEBPACK_IMPORTED_MODULE_0__.TemplateRef), _angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵɵdirectiveInject"](NgSwitch, 9)); };
NgSwitchDefault.ɵdir = /*@__PURE__*/ _angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵɵdefineDirective"]({ type: NgSwitchDefault, selectors: [["", "ngSwitchDefault", ""]] });
NgSwitchDefault.ctorParameters = () => [
    { type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.ViewContainerRef },
    { type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.TemplateRef },
    { type: NgSwitch, decorators: [{ type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Optional }, { type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Host }] }
];
(function () { (typeof ngDevMode === "undefined" || ngDevMode) && _angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵsetClassMetadata"](NgSwitchDefault, [{
        type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Directive,
        args: [{ selector: '[ngSwitchDefault]' }]
    }], function () { return [{ type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.ViewContainerRef }, { type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.TemplateRef }, { type: NgSwitch, decorators: [{
                type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Optional
            }, {
                type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Host
            }] }]; }, null); })();
function throwNgSwitchProviderNotFoundError(attrName, directiveName) {
    throw new _angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵRuntimeError"]("305" /* TEMPLATE_STRUCTURE_ERROR */, `An element with the "${attrName}" attribute ` +
        `(matching the "${directiveName}" directive) must be located inside an element with the "ngSwitch" attribute ` +
        `(matching "NgSwitch" directive)`);
}

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
/**
 * @ngModule CommonModule
 *
 * @usageNotes
 * ```
 * <some-element [ngPlural]="value">
 *   <ng-template ngPluralCase="=0">there is nothing</ng-template>
 *   <ng-template ngPluralCase="=1">there is one</ng-template>
 *   <ng-template ngPluralCase="few">there are a few</ng-template>
 * </some-element>
 * ```
 *
 * @description
 *
 * Adds / removes DOM sub-trees based on a numeric value. Tailored for pluralization.
 *
 * Displays DOM sub-trees that match the switch expression value, or failing that, DOM sub-trees
 * that match the switch expression's pluralization category.
 *
 * To use this directive you must provide a container element that sets the `[ngPlural]` attribute
 * to a switch expression. Inner elements with a `[ngPluralCase]` will display based on their
 * expression:
 * - if `[ngPluralCase]` is set to a value starting with `=`, it will only display if the value
 *   matches the switch expression exactly,
 * - otherwise, the view will be treated as a "category match", and will only display if exact
 *   value matches aren't found and the value maps to its category for the defined locale.
 *
 * See http://cldr.unicode.org/index/cldr-spec/plural-rules
 *
 * @publicApi
 */
class NgPlural {
    constructor(_localization) {
        this._localization = _localization;
        this._caseViews = {};
    }
    set ngPlural(value) {
        this._switchValue = value;
        this._updateView();
    }
    addCase(value, switchView) {
        this._caseViews[value] = switchView;
    }
    _updateView() {
        this._clearViews();
        const cases = Object.keys(this._caseViews);
        const key = getPluralCategory(this._switchValue, cases, this._localization);
        this._activateView(this._caseViews[key]);
    }
    _clearViews() {
        if (this._activeView)
            this._activeView.destroy();
    }
    _activateView(view) {
        if (view) {
            this._activeView = view;
            this._activeView.create();
        }
    }
}
NgPlural.ɵfac = function NgPlural_Factory(t) { return new (t || NgPlural)(_angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵɵdirectiveInject"](NgLocalization)); };
NgPlural.ɵdir = /*@__PURE__*/ _angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵɵdefineDirective"]({ type: NgPlural, selectors: [["", "ngPlural", ""]], inputs: { ngPlural: "ngPlural" } });
NgPlural.ctorParameters = () => [
    { type: NgLocalization }
];
NgPlural.propDecorators = {
    ngPlural: [{ type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Input }]
};
(function () { (typeof ngDevMode === "undefined" || ngDevMode) && _angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵsetClassMetadata"](NgPlural, [{
        type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Directive,
        args: [{ selector: '[ngPlural]' }]
    }], function () { return [{ type: NgLocalization }]; }, { ngPlural: [{
            type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Input
        }] }); })();
/**
 * @ngModule CommonModule
 *
 * @description
 *
 * Creates a view that will be added/removed from the parent {@link NgPlural} when the
 * given expression matches the plural expression according to CLDR rules.
 *
 * @usageNotes
 * ```
 * <some-element [ngPlural]="value">
 *   <ng-template ngPluralCase="=0">...</ng-template>
 *   <ng-template ngPluralCase="other">...</ng-template>
 * </some-element>
 *```
 *
 * See {@link NgPlural} for more details and example.
 *
 * @publicApi
 */
class NgPluralCase {
    constructor(value, template, viewContainer, ngPlural) {
        this.value = value;
        const isANumber = !isNaN(Number(value));
        ngPlural.addCase(isANumber ? `=${value}` : value, new SwitchView(viewContainer, template));
    }
}
NgPluralCase.ɵfac = function NgPluralCase_Factory(t) { return new (t || NgPluralCase)(_angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵɵinjectAttribute"]('ngPluralCase'), _angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵɵdirectiveInject"](_angular_core__WEBPACK_IMPORTED_MODULE_0__.TemplateRef), _angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵɵdirectiveInject"](_angular_core__WEBPACK_IMPORTED_MODULE_0__.ViewContainerRef), _angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵɵdirectiveInject"](NgPlural, 1)); };
NgPluralCase.ɵdir = /*@__PURE__*/ _angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵɵdefineDirective"]({ type: NgPluralCase, selectors: [["", "ngPluralCase", ""]] });
NgPluralCase.ctorParameters = () => [
    { type: String, decorators: [{ type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Attribute, args: ['ngPluralCase',] }] },
    { type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.TemplateRef },
    { type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.ViewContainerRef },
    { type: NgPlural, decorators: [{ type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Host }] }
];
(function () { (typeof ngDevMode === "undefined" || ngDevMode) && _angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵsetClassMetadata"](NgPluralCase, [{
        type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Directive,
        args: [{ selector: '[ngPluralCase]' }]
    }], function () { return [{ type: String, decorators: [{
                type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Attribute,
                args: ['ngPluralCase']
            }] }, { type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.TemplateRef }, { type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.ViewContainerRef }, { type: NgPlural, decorators: [{
                type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Host
            }] }]; }, null); })();

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
/**
 * @ngModule CommonModule
 *
 * @usageNotes
 *
 * Set the font of the containing element to the result of an expression.
 *
 * ```
 * <some-element [ngStyle]="{'font-style': styleExp}">...</some-element>
 * ```
 *
 * Set the width of the containing element to a pixel value returned by an expression.
 *
 * ```
 * <some-element [ngStyle]="{'max-width.px': widthExp}">...</some-element>
 * ```
 *
 * Set a collection of style values using an expression that returns key-value pairs.
 *
 * ```
 * <some-element [ngStyle]="objExp">...</some-element>
 * ```
 *
 * @description
 *
 * An attribute directive that updates styles for the containing HTML element.
 * Sets one or more style properties, specified as colon-separated key-value pairs.
 * The key is a style name, with an optional `.<unit>` suffix
 * (such as 'top.px', 'font-style.em').
 * The value is an expression to be evaluated.
 * The resulting non-null value, expressed in the given unit,
 * is assigned to the given style property.
 * If the result of evaluation is null, the corresponding style is removed.
 *
 * @publicApi
 */
class NgStyle {
    constructor(_ngEl, _differs, _renderer) {
        this._ngEl = _ngEl;
        this._differs = _differs;
        this._renderer = _renderer;
        this._ngStyle = null;
        this._differ = null;
    }
    set ngStyle(values) {
        this._ngStyle = values;
        if (!this._differ && values) {
            this._differ = this._differs.find(values).create();
        }
    }
    ngDoCheck() {
        if (this._differ) {
            const changes = this._differ.diff(this._ngStyle);
            if (changes) {
                this._applyChanges(changes);
            }
        }
    }
    _setStyle(nameAndUnit, value) {
        const [name, unit] = nameAndUnit.split('.');
        value = value != null && unit ? `${value}${unit}` : value;
        if (value != null) {
            this._renderer.setStyle(this._ngEl.nativeElement, name, value);
        }
        else {
            this._renderer.removeStyle(this._ngEl.nativeElement, name);
        }
    }
    _applyChanges(changes) {
        changes.forEachRemovedItem((record) => this._setStyle(record.key, null));
        changes.forEachAddedItem((record) => this._setStyle(record.key, record.currentValue));
        changes.forEachChangedItem((record) => this._setStyle(record.key, record.currentValue));
    }
}
NgStyle.ɵfac = function NgStyle_Factory(t) { return new (t || NgStyle)(_angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵɵdirectiveInject"](_angular_core__WEBPACK_IMPORTED_MODULE_0__.ElementRef), _angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵɵdirectiveInject"](_angular_core__WEBPACK_IMPORTED_MODULE_0__.KeyValueDiffers), _angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵɵdirectiveInject"](_angular_core__WEBPACK_IMPORTED_MODULE_0__.Renderer2)); };
NgStyle.ɵdir = /*@__PURE__*/ _angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵɵdefineDirective"]({ type: NgStyle, selectors: [["", "ngStyle", ""]], inputs: { ngStyle: "ngStyle" } });
NgStyle.ctorParameters = () => [
    { type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.ElementRef },
    { type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.KeyValueDiffers },
    { type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Renderer2 }
];
NgStyle.propDecorators = {
    ngStyle: [{ type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Input, args: ['ngStyle',] }]
};
(function () { (typeof ngDevMode === "undefined" || ngDevMode) && _angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵsetClassMetadata"](NgStyle, [{
        type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Directive,
        args: [{ selector: '[ngStyle]' }]
    }], function () { return [{ type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.ElementRef }, { type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.KeyValueDiffers }, { type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Renderer2 }]; }, { ngStyle: [{
            type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Input,
            args: ['ngStyle']
        }] }); })();

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
/**
 * @ngModule CommonModule
 *
 * @description
 *
 * Inserts an embedded view from a prepared `TemplateRef`.
 *
 * You can attach a context object to the `EmbeddedViewRef` by setting `[ngTemplateOutletContext]`.
 * `[ngTemplateOutletContext]` should be an object, the object's keys will be available for binding
 * by the local template `let` declarations.
 *
 * @usageNotes
 * ```
 * <ng-container *ngTemplateOutlet="templateRefExp; context: contextExp"></ng-container>
 * ```
 *
 * Using the key `$implicit` in the context object will set its value as default.
 *
 * ### Example
 *
 * {@example common/ngTemplateOutlet/ts/module.ts region='NgTemplateOutlet'}
 *
 * @publicApi
 */
class NgTemplateOutlet {
    constructor(_viewContainerRef) {
        this._viewContainerRef = _viewContainerRef;
        this._viewRef = null;
        /**
         * A context object to attach to the {@link EmbeddedViewRef}. This should be an
         * object, the object's keys will be available for binding by the local template `let`
         * declarations.
         * Using the key `$implicit` in the context object will set its value as default.
         */
        this.ngTemplateOutletContext = null;
        /**
         * A string defining the template reference and optionally the context object for the template.
         */
        this.ngTemplateOutlet = null;
    }
    ngOnChanges(changes) {
        if (changes['ngTemplateOutlet']) {
            const viewContainerRef = this._viewContainerRef;
            if (this._viewRef) {
                viewContainerRef.remove(viewContainerRef.indexOf(this._viewRef));
            }
            this._viewRef = this.ngTemplateOutlet ?
                viewContainerRef.createEmbeddedView(this.ngTemplateOutlet, this.ngTemplateOutletContext) :
                null;
        }
        else if (this._viewRef && changes['ngTemplateOutletContext'] && this.ngTemplateOutletContext) {
            this._viewRef.context = this.ngTemplateOutletContext;
        }
    }
}
NgTemplateOutlet.ɵfac = function NgTemplateOutlet_Factory(t) { return new (t || NgTemplateOutlet)(_angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵɵdirectiveInject"](_angular_core__WEBPACK_IMPORTED_MODULE_0__.ViewContainerRef)); };
NgTemplateOutlet.ɵdir = /*@__PURE__*/ _angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵɵdefineDirective"]({ type: NgTemplateOutlet, selectors: [["", "ngTemplateOutlet", ""]], inputs: { ngTemplateOutletContext: "ngTemplateOutletContext", ngTemplateOutlet: "ngTemplateOutlet" }, features: [_angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵɵNgOnChangesFeature"]] });
NgTemplateOutlet.ctorParameters = () => [
    { type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.ViewContainerRef }
];
NgTemplateOutlet.propDecorators = {
    ngTemplateOutletContext: [{ type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Input }],
    ngTemplateOutlet: [{ type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Input }]
};
(function () { (typeof ngDevMode === "undefined" || ngDevMode) && _angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵsetClassMetadata"](NgTemplateOutlet, [{
        type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Directive,
        args: [{ selector: '[ngTemplateOutlet]' }]
    }], function () { return [{ type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.ViewContainerRef }]; }, { ngTemplateOutletContext: [{
            type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Input
        }], ngTemplateOutlet: [{
            type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Input
        }] }); })();

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
/**
 * A collection of Angular directives that are likely to be used in each and every Angular
 * application.
 */
const COMMON_DIRECTIVES = [
    NgClass,
    NgComponentOutlet,
    NgForOf,
    NgIf,
    NgTemplateOutlet,
    NgStyle,
    NgSwitch,
    NgSwitchCase,
    NgSwitchDefault,
    NgPlural,
    NgPluralCase,
];

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
function invalidPipeArgumentError(type, value) {
    return Error(`InvalidPipeArgument: '${value}' for pipe '${(0,_angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵstringify"])(type)}'`);
}

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
class SubscribableStrategy {
    createSubscription(async, updateLatestValue) {
        return async.subscribe({
            next: updateLatestValue,
            error: (e) => {
                throw e;
            }
        });
    }
    dispose(subscription) {
        subscription.unsubscribe();
    }
    onDestroy(subscription) {
        subscription.unsubscribe();
    }
}
class PromiseStrategy {
    createSubscription(async, updateLatestValue) {
        return async.then(updateLatestValue, e => {
            throw e;
        });
    }
    dispose(subscription) { }
    onDestroy(subscription) { }
}
const _promiseStrategy = new PromiseStrategy();
const _subscribableStrategy = new SubscribableStrategy();
/**
 * @ngModule CommonModule
 * @description
 *
 * Unwraps a value from an asynchronous primitive.
 *
 * The `async` pipe subscribes to an `Observable` or `Promise` and returns the latest value it has
 * emitted. When a new value is emitted, the `async` pipe marks the component to be checked for
 * changes. When the component gets destroyed, the `async` pipe unsubscribes automatically to avoid
 * potential memory leaks.
 *
 * @usageNotes
 *
 * ### Examples
 *
 * This example binds a `Promise` to the view. Clicking the `Resolve` button resolves the
 * promise.
 *
 * {@example common/pipes/ts/async_pipe.ts region='AsyncPipePromise'}
 *
 * It's also possible to use `async` with Observables. The example below binds the `time` Observable
 * to the view. The Observable continuously updates the view with the current time.
 *
 * {@example common/pipes/ts/async_pipe.ts region='AsyncPipeObservable'}
 *
 * @publicApi
 */
class AsyncPipe {
    constructor(_ref) {
        this._ref = _ref;
        this._latestValue = null;
        this._subscription = null;
        this._obj = null;
        this._strategy = null;
    }
    ngOnDestroy() {
        if (this._subscription) {
            this._dispose();
        }
    }
    transform(obj) {
        if (!this._obj) {
            if (obj) {
                this._subscribe(obj);
            }
            return this._latestValue;
        }
        if (obj !== this._obj) {
            this._dispose();
            return this.transform(obj);
        }
        return this._latestValue;
    }
    _subscribe(obj) {
        this._obj = obj;
        this._strategy = this._selectStrategy(obj);
        this._subscription = this._strategy.createSubscription(obj, (value) => this._updateLatestValue(obj, value));
    }
    _selectStrategy(obj) {
        if ((0,_angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵisPromise"])(obj)) {
            return _promiseStrategy;
        }
        if ((0,_angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵisSubscribable"])(obj)) {
            return _subscribableStrategy;
        }
        throw invalidPipeArgumentError(AsyncPipe, obj);
    }
    _dispose() {
        this._strategy.dispose(this._subscription);
        this._latestValue = null;
        this._subscription = null;
        this._obj = null;
    }
    _updateLatestValue(async, value) {
        if (async === this._obj) {
            this._latestValue = value;
            this._ref.markForCheck();
        }
    }
}
AsyncPipe.ɵfac = function AsyncPipe_Factory(t) { return new (t || AsyncPipe)(_angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵɵdirectiveInject"](_angular_core__WEBPACK_IMPORTED_MODULE_0__.ChangeDetectorRef, 16)); };
AsyncPipe.ɵpipe = /*@__PURE__*/ _angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵɵdefinePipe"]({ name: "async", type: AsyncPipe, pure: false });
AsyncPipe.ctorParameters = () => [
    { type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.ChangeDetectorRef }
];
(function () { (typeof ngDevMode === "undefined" || ngDevMode) && _angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵsetClassMetadata"](AsyncPipe, [{
        type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Pipe,
        args: [{ name: 'async', pure: false }]
    }], function () { return [{ type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.ChangeDetectorRef }]; }, null); })();

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
/**
 * Transforms text to all lower case.
 *
 * @see `UpperCasePipe`
 * @see `TitleCasePipe`
 * @usageNotes
 *
 * The following example defines a view that allows the user to enter
 * text, and then uses the pipe to convert the input text to all lower case.
 *
 * <code-example path="common/pipes/ts/lowerupper_pipe.ts" region='LowerUpperPipe'></code-example>
 *
 * @ngModule CommonModule
 * @publicApi
 */
class LowerCasePipe {
    transform(value) {
        if (value == null)
            return null;
        if (typeof value !== 'string') {
            throw invalidPipeArgumentError(LowerCasePipe, value);
        }
        return value.toLowerCase();
    }
}
LowerCasePipe.ɵfac = function LowerCasePipe_Factory(t) { return new (t || LowerCasePipe)(); };
LowerCasePipe.ɵpipe = /*@__PURE__*/ _angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵɵdefinePipe"]({ name: "lowercase", type: LowerCasePipe, pure: true });
(function () { (typeof ngDevMode === "undefined" || ngDevMode) && _angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵsetClassMetadata"](LowerCasePipe, [{
        type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Pipe,
        args: [{ name: 'lowercase' }]
    }], null, null); })();
//
// Regex below matches any Unicode word and compatible with ES5. In ES2018 the same result
// can be achieved by using /\p{L}\S*/gu and also known as Unicode Property Escapes
// (https://2ality.com/2017/07/regexp-unicode-property-escapes.html). Since there is no
// transpilation of this functionality down to ES5 without external tool, the only solution is
// to use already transpiled form. Example can be found here -
// https://mothereff.in/regexpu#input=var+regex+%3D+/%5Cp%7BL%7D/u%3B&unicodePropertyEscape=1
//
const unicodeWordMatch = /(?:[A-Za-z\xAA\xB5\xBA\xC0-\xD6\xD8-\xF6\xF8-\u02C1\u02C6-\u02D1\u02E0-\u02E4\u02EC\u02EE\u0370-\u0374\u0376\u0377\u037A-\u037D\u037F\u0386\u0388-\u038A\u038C\u038E-\u03A1\u03A3-\u03F5\u03F7-\u0481\u048A-\u052F\u0531-\u0556\u0559\u0561-\u0587\u05D0-\u05EA\u05F0-\u05F2\u0620-\u064A\u066E\u066F\u0671-\u06D3\u06D5\u06E5\u06E6\u06EE\u06EF\u06FA-\u06FC\u06FF\u0710\u0712-\u072F\u074D-\u07A5\u07B1\u07CA-\u07EA\u07F4\u07F5\u07FA\u0800-\u0815\u081A\u0824\u0828\u0840-\u0858\u0860-\u086A\u08A0-\u08B4\u08B6-\u08BD\u0904-\u0939\u093D\u0950\u0958-\u0961\u0971-\u0980\u0985-\u098C\u098F\u0990\u0993-\u09A8\u09AA-\u09B0\u09B2\u09B6-\u09B9\u09BD\u09CE\u09DC\u09DD\u09DF-\u09E1\u09F0\u09F1\u09FC\u0A05-\u0A0A\u0A0F\u0A10\u0A13-\u0A28\u0A2A-\u0A30\u0A32\u0A33\u0A35\u0A36\u0A38\u0A39\u0A59-\u0A5C\u0A5E\u0A72-\u0A74\u0A85-\u0A8D\u0A8F-\u0A91\u0A93-\u0AA8\u0AAA-\u0AB0\u0AB2\u0AB3\u0AB5-\u0AB9\u0ABD\u0AD0\u0AE0\u0AE1\u0AF9\u0B05-\u0B0C\u0B0F\u0B10\u0B13-\u0B28\u0B2A-\u0B30\u0B32\u0B33\u0B35-\u0B39\u0B3D\u0B5C\u0B5D\u0B5F-\u0B61\u0B71\u0B83\u0B85-\u0B8A\u0B8E-\u0B90\u0B92-\u0B95\u0B99\u0B9A\u0B9C\u0B9E\u0B9F\u0BA3\u0BA4\u0BA8-\u0BAA\u0BAE-\u0BB9\u0BD0\u0C05-\u0C0C\u0C0E-\u0C10\u0C12-\u0C28\u0C2A-\u0C39\u0C3D\u0C58-\u0C5A\u0C60\u0C61\u0C80\u0C85-\u0C8C\u0C8E-\u0C90\u0C92-\u0CA8\u0CAA-\u0CB3\u0CB5-\u0CB9\u0CBD\u0CDE\u0CE0\u0CE1\u0CF1\u0CF2\u0D05-\u0D0C\u0D0E-\u0D10\u0D12-\u0D3A\u0D3D\u0D4E\u0D54-\u0D56\u0D5F-\u0D61\u0D7A-\u0D7F\u0D85-\u0D96\u0D9A-\u0DB1\u0DB3-\u0DBB\u0DBD\u0DC0-\u0DC6\u0E01-\u0E30\u0E32\u0E33\u0E40-\u0E46\u0E81\u0E82\u0E84\u0E87\u0E88\u0E8A\u0E8D\u0E94-\u0E97\u0E99-\u0E9F\u0EA1-\u0EA3\u0EA5\u0EA7\u0EAA\u0EAB\u0EAD-\u0EB0\u0EB2\u0EB3\u0EBD\u0EC0-\u0EC4\u0EC6\u0EDC-\u0EDF\u0F00\u0F40-\u0F47\u0F49-\u0F6C\u0F88-\u0F8C\u1000-\u102A\u103F\u1050-\u1055\u105A-\u105D\u1061\u1065\u1066\u106E-\u1070\u1075-\u1081\u108E\u10A0-\u10C5\u10C7\u10CD\u10D0-\u10FA\u10FC-\u1248\u124A-\u124D\u1250-\u1256\u1258\u125A-\u125D\u1260-\u1288\u128A-\u128D\u1290-\u12B0\u12B2-\u12B5\u12B8-\u12BE\u12C0\u12C2-\u12C5\u12C8-\u12D6\u12D8-\u1310\u1312-\u1315\u1318-\u135A\u1380-\u138F\u13A0-\u13F5\u13F8-\u13FD\u1401-\u166C\u166F-\u167F\u1681-\u169A\u16A0-\u16EA\u16F1-\u16F8\u1700-\u170C\u170E-\u1711\u1720-\u1731\u1740-\u1751\u1760-\u176C\u176E-\u1770\u1780-\u17B3\u17D7\u17DC\u1820-\u1877\u1880-\u1884\u1887-\u18A8\u18AA\u18B0-\u18F5\u1900-\u191E\u1950-\u196D\u1970-\u1974\u1980-\u19AB\u19B0-\u19C9\u1A00-\u1A16\u1A20-\u1A54\u1AA7\u1B05-\u1B33\u1B45-\u1B4B\u1B83-\u1BA0\u1BAE\u1BAF\u1BBA-\u1BE5\u1C00-\u1C23\u1C4D-\u1C4F\u1C5A-\u1C7D\u1C80-\u1C88\u1CE9-\u1CEC\u1CEE-\u1CF1\u1CF5\u1CF6\u1D00-\u1DBF\u1E00-\u1F15\u1F18-\u1F1D\u1F20-\u1F45\u1F48-\u1F4D\u1F50-\u1F57\u1F59\u1F5B\u1F5D\u1F5F-\u1F7D\u1F80-\u1FB4\u1FB6-\u1FBC\u1FBE\u1FC2-\u1FC4\u1FC6-\u1FCC\u1FD0-\u1FD3\u1FD6-\u1FDB\u1FE0-\u1FEC\u1FF2-\u1FF4\u1FF6-\u1FFC\u2071\u207F\u2090-\u209C\u2102\u2107\u210A-\u2113\u2115\u2119-\u211D\u2124\u2126\u2128\u212A-\u212D\u212F-\u2139\u213C-\u213F\u2145-\u2149\u214E\u2183\u2184\u2C00-\u2C2E\u2C30-\u2C5E\u2C60-\u2CE4\u2CEB-\u2CEE\u2CF2\u2CF3\u2D00-\u2D25\u2D27\u2D2D\u2D30-\u2D67\u2D6F\u2D80-\u2D96\u2DA0-\u2DA6\u2DA8-\u2DAE\u2DB0-\u2DB6\u2DB8-\u2DBE\u2DC0-\u2DC6\u2DC8-\u2DCE\u2DD0-\u2DD6\u2DD8-\u2DDE\u2E2F\u3005\u3006\u3031-\u3035\u303B\u303C\u3041-\u3096\u309D-\u309F\u30A1-\u30FA\u30FC-\u30FF\u3105-\u312E\u3131-\u318E\u31A0-\u31BA\u31F0-\u31FF\u3400-\u4DB5\u4E00-\u9FEA\uA000-\uA48C\uA4D0-\uA4FD\uA500-\uA60C\uA610-\uA61F\uA62A\uA62B\uA640-\uA66E\uA67F-\uA69D\uA6A0-\uA6E5\uA717-\uA71F\uA722-\uA788\uA78B-\uA7AE\uA7B0-\uA7B7\uA7F7-\uA801\uA803-\uA805\uA807-\uA80A\uA80C-\uA822\uA840-\uA873\uA882-\uA8B3\uA8F2-\uA8F7\uA8FB\uA8FD\uA90A-\uA925\uA930-\uA946\uA960-\uA97C\uA984-\uA9B2\uA9CF\uA9E0-\uA9E4\uA9E6-\uA9EF\uA9FA-\uA9FE\uAA00-\uAA28\uAA40-\uAA42\uAA44-\uAA4B\uAA60-\uAA76\uAA7A\uAA7E-\uAAAF\uAAB1\uAAB5\uAAB6\uAAB9-\uAABD\uAAC0\uAAC2\uAADB-\uAADD\uAAE0-\uAAEA\uAAF2-\uAAF4\uAB01-\uAB06\uAB09-\uAB0E\uAB11-\uAB16\uAB20-\uAB26\uAB28-\uAB2E\uAB30-\uAB5A\uAB5C-\uAB65\uAB70-\uABE2\uAC00-\uD7A3\uD7B0-\uD7C6\uD7CB-\uD7FB\uF900-\uFA6D\uFA70-\uFAD9\uFB00-\uFB06\uFB13-\uFB17\uFB1D\uFB1F-\uFB28\uFB2A-\uFB36\uFB38-\uFB3C\uFB3E\uFB40\uFB41\uFB43\uFB44\uFB46-\uFBB1\uFBD3-\uFD3D\uFD50-\uFD8F\uFD92-\uFDC7\uFDF0-\uFDFB\uFE70-\uFE74\uFE76-\uFEFC\uFF21-\uFF3A\uFF41-\uFF5A\uFF66-\uFFBE\uFFC2-\uFFC7\uFFCA-\uFFCF\uFFD2-\uFFD7\uFFDA-\uFFDC]|\uD800[\uDC00-\uDC0B\uDC0D-\uDC26\uDC28-\uDC3A\uDC3C\uDC3D\uDC3F-\uDC4D\uDC50-\uDC5D\uDC80-\uDCFA\uDE80-\uDE9C\uDEA0-\uDED0\uDF00-\uDF1F\uDF2D-\uDF40\uDF42-\uDF49\uDF50-\uDF75\uDF80-\uDF9D\uDFA0-\uDFC3\uDFC8-\uDFCF]|\uD801[\uDC00-\uDC9D\uDCB0-\uDCD3\uDCD8-\uDCFB\uDD00-\uDD27\uDD30-\uDD63\uDE00-\uDF36\uDF40-\uDF55\uDF60-\uDF67]|\uD802[\uDC00-\uDC05\uDC08\uDC0A-\uDC35\uDC37\uDC38\uDC3C\uDC3F-\uDC55\uDC60-\uDC76\uDC80-\uDC9E\uDCE0-\uDCF2\uDCF4\uDCF5\uDD00-\uDD15\uDD20-\uDD39\uDD80-\uDDB7\uDDBE\uDDBF\uDE00\uDE10-\uDE13\uDE15-\uDE17\uDE19-\uDE33\uDE60-\uDE7C\uDE80-\uDE9C\uDEC0-\uDEC7\uDEC9-\uDEE4\uDF00-\uDF35\uDF40-\uDF55\uDF60-\uDF72\uDF80-\uDF91]|\uD803[\uDC00-\uDC48\uDC80-\uDCB2\uDCC0-\uDCF2]|\uD804[\uDC03-\uDC37\uDC83-\uDCAF\uDCD0-\uDCE8\uDD03-\uDD26\uDD50-\uDD72\uDD76\uDD83-\uDDB2\uDDC1-\uDDC4\uDDDA\uDDDC\uDE00-\uDE11\uDE13-\uDE2B\uDE80-\uDE86\uDE88\uDE8A-\uDE8D\uDE8F-\uDE9D\uDE9F-\uDEA8\uDEB0-\uDEDE\uDF05-\uDF0C\uDF0F\uDF10\uDF13-\uDF28\uDF2A-\uDF30\uDF32\uDF33\uDF35-\uDF39\uDF3D\uDF50\uDF5D-\uDF61]|\uD805[\uDC00-\uDC34\uDC47-\uDC4A\uDC80-\uDCAF\uDCC4\uDCC5\uDCC7\uDD80-\uDDAE\uDDD8-\uDDDB\uDE00-\uDE2F\uDE44\uDE80-\uDEAA\uDF00-\uDF19]|\uD806[\uDCA0-\uDCDF\uDCFF\uDE00\uDE0B-\uDE32\uDE3A\uDE50\uDE5C-\uDE83\uDE86-\uDE89\uDEC0-\uDEF8]|\uD807[\uDC00-\uDC08\uDC0A-\uDC2E\uDC40\uDC72-\uDC8F\uDD00-\uDD06\uDD08\uDD09\uDD0B-\uDD30\uDD46]|\uD808[\uDC00-\uDF99]|\uD809[\uDC80-\uDD43]|[\uD80C\uD81C-\uD820\uD840-\uD868\uD86A-\uD86C\uD86F-\uD872\uD874-\uD879][\uDC00-\uDFFF]|\uD80D[\uDC00-\uDC2E]|\uD811[\uDC00-\uDE46]|\uD81A[\uDC00-\uDE38\uDE40-\uDE5E\uDED0-\uDEED\uDF00-\uDF2F\uDF40-\uDF43\uDF63-\uDF77\uDF7D-\uDF8F]|\uD81B[\uDF00-\uDF44\uDF50\uDF93-\uDF9F\uDFE0\uDFE1]|\uD821[\uDC00-\uDFEC]|\uD822[\uDC00-\uDEF2]|\uD82C[\uDC00-\uDD1E\uDD70-\uDEFB]|\uD82F[\uDC00-\uDC6A\uDC70-\uDC7C\uDC80-\uDC88\uDC90-\uDC99]|\uD835[\uDC00-\uDC54\uDC56-\uDC9C\uDC9E\uDC9F\uDCA2\uDCA5\uDCA6\uDCA9-\uDCAC\uDCAE-\uDCB9\uDCBB\uDCBD-\uDCC3\uDCC5-\uDD05\uDD07-\uDD0A\uDD0D-\uDD14\uDD16-\uDD1C\uDD1E-\uDD39\uDD3B-\uDD3E\uDD40-\uDD44\uDD46\uDD4A-\uDD50\uDD52-\uDEA5\uDEA8-\uDEC0\uDEC2-\uDEDA\uDEDC-\uDEFA\uDEFC-\uDF14\uDF16-\uDF34\uDF36-\uDF4E\uDF50-\uDF6E\uDF70-\uDF88\uDF8A-\uDFA8\uDFAA-\uDFC2\uDFC4-\uDFCB]|\uD83A[\uDC00-\uDCC4\uDD00-\uDD43]|\uD83B[\uDE00-\uDE03\uDE05-\uDE1F\uDE21\uDE22\uDE24\uDE27\uDE29-\uDE32\uDE34-\uDE37\uDE39\uDE3B\uDE42\uDE47\uDE49\uDE4B\uDE4D-\uDE4F\uDE51\uDE52\uDE54\uDE57\uDE59\uDE5B\uDE5D\uDE5F\uDE61\uDE62\uDE64\uDE67-\uDE6A\uDE6C-\uDE72\uDE74-\uDE77\uDE79-\uDE7C\uDE7E\uDE80-\uDE89\uDE8B-\uDE9B\uDEA1-\uDEA3\uDEA5-\uDEA9\uDEAB-\uDEBB]|\uD869[\uDC00-\uDED6\uDF00-\uDFFF]|\uD86D[\uDC00-\uDF34\uDF40-\uDFFF]|\uD86E[\uDC00-\uDC1D\uDC20-\uDFFF]|\uD873[\uDC00-\uDEA1\uDEB0-\uDFFF]|\uD87A[\uDC00-\uDFE0]|\uD87E[\uDC00-\uDE1D])\S*/g;
/**
 * Transforms text to title case.
 * Capitalizes the first letter of each word and transforms the
 * rest of the word to lower case.
 * Words are delimited by any whitespace character, such as a space, tab, or line-feed character.
 *
 * @see `LowerCasePipe`
 * @see `UpperCasePipe`
 *
 * @usageNotes
 * The following example shows the result of transforming various strings into title case.
 *
 * <code-example path="common/pipes/ts/titlecase_pipe.ts" region='TitleCasePipe'></code-example>
 *
 * @ngModule CommonModule
 * @publicApi
 */
class TitleCasePipe {
    transform(value) {
        if (value == null)
            return null;
        if (typeof value !== 'string') {
            throw invalidPipeArgumentError(TitleCasePipe, value);
        }
        return value.replace(unicodeWordMatch, (txt => txt[0].toUpperCase() + txt.substr(1).toLowerCase()));
    }
}
TitleCasePipe.ɵfac = function TitleCasePipe_Factory(t) { return new (t || TitleCasePipe)(); };
TitleCasePipe.ɵpipe = /*@__PURE__*/ _angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵɵdefinePipe"]({ name: "titlecase", type: TitleCasePipe, pure: true });
(function () { (typeof ngDevMode === "undefined" || ngDevMode) && _angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵsetClassMetadata"](TitleCasePipe, [{
        type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Pipe,
        args: [{ name: 'titlecase' }]
    }], null, null); })();
/**
 * Transforms text to all upper case.
 * @see `LowerCasePipe`
 * @see `TitleCasePipe`
 *
 * @ngModule CommonModule
 * @publicApi
 */
class UpperCasePipe {
    transform(value) {
        if (value == null)
            return null;
        if (typeof value !== 'string') {
            throw invalidPipeArgumentError(UpperCasePipe, value);
        }
        return value.toUpperCase();
    }
}
UpperCasePipe.ɵfac = function UpperCasePipe_Factory(t) { return new (t || UpperCasePipe)(); };
UpperCasePipe.ɵpipe = /*@__PURE__*/ _angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵɵdefinePipe"]({ name: "uppercase", type: UpperCasePipe, pure: true });
(function () { (typeof ngDevMode === "undefined" || ngDevMode) && _angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵsetClassMetadata"](UpperCasePipe, [{
        type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Pipe,
        args: [{ name: 'uppercase' }]
    }], null, null); })();

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
// clang-format off
/**
 * @ngModule CommonModule
 * @description
 *
 * Formats a date value according to locale rules.
 *
 * `DatePipe` is executed only when it detects a pure change to the input value.
 * A pure change is either a change to a primitive input value
 * (such as `String`, `Number`, `Boolean`, or `Symbol`),
 * or a changed object reference (such as `Date`, `Array`, `Function`, or `Object`).
 *
 * Note that mutating a `Date` object does not cause the pipe to be rendered again.
 * To ensure that the pipe is executed, you must create a new `Date` object.
 *
 * Only the `en-US` locale data comes with Angular. To localize dates
 * in another language, you must import the corresponding locale data.
 * See the [I18n guide](guide/i18n#i18n-pipes) for more information.
 *
 * @see `formatDate()`
 *
 *
 * @usageNotes
 *
 * The result of this pipe is not reevaluated when the input is mutated. To avoid the need to
 * reformat the date on every change-detection cycle, treat the date as an immutable object
 * and change the reference when the pipe needs to run again.
 *
 * ### Pre-defined format options
 *
 * | Option        | Equivalent to                       | Examples (given in `en-US` locale)              |
 * |---------------|-------------------------------------|-------------------------------------------------|
 * | `'short'`     | `'M/d/yy, h:mm a'`                  | `6/15/15, 9:03 AM`                              |
 * | `'medium'`    | `'MMM d, y, h:mm:ss a'`             | `Jun 15, 2015, 9:03:01 AM`                      |
 * | `'long'`      | `'MMMM d, y, h:mm:ss a z'`          | `June 15, 2015 at 9:03:01 AM GMT+1`             |
 * | `'full'`      | `'EEEE, MMMM d, y, h:mm:ss a zzzz'` | `Monday, June 15, 2015 at 9:03:01 AM GMT+01:00` |
 * | `'shortDate'` | `'M/d/yy'`                          | `6/15/15`                                       |
 * | `'mediumDate'`| `'MMM d, y'`                        | `Jun 15, 2015`                                  |
 * | `'longDate'`  | `'MMMM d, y'`                       | `June 15, 2015`                                 |
 * | `'fullDate'`  | `'EEEE, MMMM d, y'`                 | `Monday, June 15, 2015`                         |
 * | `'shortTime'` | `'h:mm a'`                          | `9:03 AM`                                       |
 * | `'mediumTime'`| `'h:mm:ss a'`                       | `9:03:01 AM`                                    |
 * | `'longTime'`  | `'h:mm:ss a z'`                     | `9:03:01 AM GMT+1`                              |
 * | `'fullTime'`  | `'h:mm:ss a zzzz'`                  | `9:03:01 AM GMT+01:00`                          |
 *
 * ### Custom format options
 *
 * You can construct a format string using symbols to specify the components
 * of a date-time value, as described in the following table.
 * Format details depend on the locale.
 * Fields marked with (*) are only available in the extra data set for the given locale.
 *
 *  | Field type          | Format      | Description                                                   | Example Value                                              |
 *  |-------------------- |-------------|---------------------------------------------------------------|------------------------------------------------------------|
 *  | Era                 | G, GG & GGG | Abbreviated                                                   | AD                                                         |
 *  |                     | GGGG        | Wide                                                          | Anno Domini                                                |
 *  |                     | GGGGG       | Narrow                                                        | A                                                          |
 *  | Year                | y           | Numeric: minimum digits                                       | 2, 20, 201, 2017, 20173                                    |
 *  |                     | yy          | Numeric: 2 digits + zero padded                               | 02, 20, 01, 17, 73                                         |
 *  |                     | yyy         | Numeric: 3 digits + zero padded                               | 002, 020, 201, 2017, 20173                                 |
 *  |                     | yyyy        | Numeric: 4 digits or more + zero padded                       | 0002, 0020, 0201, 2017, 20173                              |
 *  | Week-numbering year | Y           | Numeric: minimum digits                                       | 2, 20, 201, 2017, 20173                                    |
 *  |                     | YY          | Numeric: 2 digits + zero padded                               | 02, 20, 01, 17, 73                                         |
 *  |                     | YYY         | Numeric: 3 digits + zero padded                               | 002, 020, 201, 2017, 20173                                 |
 *  |                     | YYYY        | Numeric: 4 digits or more + zero padded                       | 0002, 0020, 0201, 2017, 20173                              |
 *  | Month               | M           | Numeric: 1 digit                                              | 9, 12                                                      |
 *  |                     | MM          | Numeric: 2 digits + zero padded                               | 09, 12                                                     |
 *  |                     | MMM         | Abbreviated                                                   | Sep                                                        |
 *  |                     | MMMM        | Wide                                                          | September                                                  |
 *  |                     | MMMMM       | Narrow                                                        | S                                                          |
 *  | Month standalone    | L           | Numeric: 1 digit                                              | 9, 12                                                      |
 *  |                     | LL          | Numeric: 2 digits + zero padded                               | 09, 12                                                     |
 *  |                     | LLL         | Abbreviated                                                   | Sep                                                        |
 *  |                     | LLLL        | Wide                                                          | September                                                  |
 *  |                     | LLLLL       | Narrow                                                        | S                                                          |
 *  | Week of year        | w           | Numeric: minimum digits                                       | 1... 53                                                    |
 *  |                     | ww          | Numeric: 2 digits + zero padded                               | 01... 53                                                   |
 *  | Week of month       | W           | Numeric: 1 digit                                              | 1... 5                                                     |
 *  | Day of month        | d           | Numeric: minimum digits                                       | 1                                                          |
 *  |                     | dd          | Numeric: 2 digits + zero padded                               | 01                                                         |
 *  | Week day            | E, EE & EEE | Abbreviated                                                   | Tue                                                        |
 *  |                     | EEEE        | Wide                                                          | Tuesday                                                    |
 *  |                     | EEEEE       | Narrow                                                        | T                                                          |
 *  |                     | EEEEEE      | Short                                                         | Tu                                                         |
 *  | Week day standalone | c, cc       | Numeric: 1 digit                                              | 2                                                          |
 *  |                     | ccc         | Abbreviated                                                   | Tue                                                        |
 *  |                     | cccc        | Wide                                                          | Tuesday                                                    |
 *  |                     | ccccc       | Narrow                                                        | T                                                          |
 *  |                     | cccccc      | Short                                                         | Tu                                                         |
 *  | Period              | a, aa & aaa | Abbreviated                                                   | am/pm or AM/PM                                             |
 *  |                     | aaaa        | Wide (fallback to `a` when missing)                           | ante meridiem/post meridiem                                |
 *  |                     | aaaaa       | Narrow                                                        | a/p                                                        |
 *  | Period*             | B, BB & BBB | Abbreviated                                                   | mid.                                                       |
 *  |                     | BBBB        | Wide                                                          | am, pm, midnight, noon, morning, afternoon, evening, night |
 *  |                     | BBBBB       | Narrow                                                        | md                                                         |
 *  | Period standalone*  | b, bb & bbb | Abbreviated                                                   | mid.                                                       |
 *  |                     | bbbb        | Wide                                                          | am, pm, midnight, noon, morning, afternoon, evening, night |
 *  |                     | bbbbb       | Narrow                                                        | md                                                         |
 *  | Hour 1-12           | h           | Numeric: minimum digits                                       | 1, 12                                                      |
 *  |                     | hh          | Numeric: 2 digits + zero padded                               | 01, 12                                                     |
 *  | Hour 0-23           | H           | Numeric: minimum digits                                       | 0, 23                                                      |
 *  |                     | HH          | Numeric: 2 digits + zero padded                               | 00, 23                                                     |
 *  | Minute              | m           | Numeric: minimum digits                                       | 8, 59                                                      |
 *  |                     | mm          | Numeric: 2 digits + zero padded                               | 08, 59                                                     |
 *  | Second              | s           | Numeric: minimum digits                                       | 0... 59                                                    |
 *  |                     | ss          | Numeric: 2 digits + zero padded                               | 00... 59                                                   |
 *  | Fractional seconds  | S           | Numeric: 1 digit                                              | 0... 9                                                     |
 *  |                     | SS          | Numeric: 2 digits + zero padded                               | 00... 99                                                   |
 *  |                     | SSS         | Numeric: 3 digits + zero padded (= milliseconds)              | 000... 999                                                 |
 *  | Zone                | z, zz & zzz | Short specific non location format (fallback to O)            | GMT-8                                                      |
 *  |                     | zzzz        | Long specific non location format (fallback to OOOO)          | GMT-08:00                                                  |
 *  |                     | Z, ZZ & ZZZ | ISO8601 basic format                                          | -0800                                                      |
 *  |                     | ZZZZ        | Long localized GMT format                                     | GMT-8:00                                                   |
 *  |                     | ZZZZZ       | ISO8601 extended format + Z indicator for offset 0 (= XXXXX)  | -08:00                                                     |
 *  |                     | O, OO & OOO | Short localized GMT format                                    | GMT-8                                                      |
 *  |                     | OOOO        | Long localized GMT format                                     | GMT-08:00                                                  |
 *
 *
 * ### Format examples
 *
 * These examples transform a date into various formats,
 * assuming that `dateObj` is a JavaScript `Date` object for
 * year: 2015, month: 6, day: 15, hour: 21, minute: 43, second: 11,
 * given in the local time for the `en-US` locale.
 *
 * ```
 * {{ dateObj | date }}               // output is 'Jun 15, 2015'
 * {{ dateObj | date:'medium' }}      // output is 'Jun 15, 2015, 9:43:11 PM'
 * {{ dateObj | date:'shortTime' }}   // output is '9:43 PM'
 * {{ dateObj | date:'mm:ss' }}       // output is '43:11'
 * ```
 *
 * ### Usage example
 *
 * The following component uses a date pipe to display the current date in different formats.
 *
 * ```
 * @Component({
 *  selector: 'date-pipe',
 *  template: `<div>
 *    <p>Today is {{today | date}}</p>
 *    <p>Or if you prefer, {{today | date:'fullDate'}}</p>
 *    <p>The time is {{today | date:'h:mm a z'}}</p>
 *  </div>`
 * })
 * // Get the current date and time as a date-time value.
 * export class DatePipeComponent {
 *   today: number = Date.now();
 * }
 * ```
 *
 * @publicApi
 */
// clang-format on
class DatePipe {
    constructor(locale) {
        this.locale = locale;
    }
    transform(value, format = 'mediumDate', timezone, locale) {
        if (value == null || value === '' || value !== value)
            return null;
        try {
            return formatDate(value, format, locale || this.locale, timezone);
        }
        catch (error) {
            throw invalidPipeArgumentError(DatePipe, error.message);
        }
    }
}
DatePipe.ɵfac = function DatePipe_Factory(t) { return new (t || DatePipe)(_angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵɵdirectiveInject"](_angular_core__WEBPACK_IMPORTED_MODULE_0__.LOCALE_ID, 16)); };
DatePipe.ɵpipe = /*@__PURE__*/ _angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵɵdefinePipe"]({ name: "date", type: DatePipe, pure: true });
DatePipe.ctorParameters = () => [
    { type: String, decorators: [{ type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Inject, args: [_angular_core__WEBPACK_IMPORTED_MODULE_0__.LOCALE_ID,] }] }
];
(function () { (typeof ngDevMode === "undefined" || ngDevMode) && _angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵsetClassMetadata"](DatePipe, [{
        type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Pipe,
        args: [{ name: 'date', pure: true }]
    }], function () { return [{ type: String, decorators: [{
                type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Inject,
                args: [_angular_core__WEBPACK_IMPORTED_MODULE_0__.LOCALE_ID]
            }] }]; }, null); })();

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
const _INTERPOLATION_REGEXP = /#/g;
/**
 * @ngModule CommonModule
 * @description
 *
 * Maps a value to a string that pluralizes the value according to locale rules.
 *
 * @usageNotes
 *
 * ### Example
 *
 * {@example common/pipes/ts/i18n_pipe.ts region='I18nPluralPipeComponent'}
 *
 * @publicApi
 */
class I18nPluralPipe {
    constructor(_localization) {
        this._localization = _localization;
    }
    /**
     * @param value the number to be formatted
     * @param pluralMap an object that mimics the ICU format, see
     * http://userguide.icu-project.org/formatparse/messages.
     * @param locale a `string` defining the locale to use (uses the current {@link LOCALE_ID} by
     * default).
     */
    transform(value, pluralMap, locale) {
        if (value == null)
            return '';
        if (typeof pluralMap !== 'object' || pluralMap === null) {
            throw invalidPipeArgumentError(I18nPluralPipe, pluralMap);
        }
        const key = getPluralCategory(value, Object.keys(pluralMap), this._localization, locale);
        return pluralMap[key].replace(_INTERPOLATION_REGEXP, value.toString());
    }
}
I18nPluralPipe.ɵfac = function I18nPluralPipe_Factory(t) { return new (t || I18nPluralPipe)(_angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵɵdirectiveInject"](NgLocalization, 16)); };
I18nPluralPipe.ɵpipe = /*@__PURE__*/ _angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵɵdefinePipe"]({ name: "i18nPlural", type: I18nPluralPipe, pure: true });
I18nPluralPipe.ctorParameters = () => [
    { type: NgLocalization }
];
(function () { (typeof ngDevMode === "undefined" || ngDevMode) && _angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵsetClassMetadata"](I18nPluralPipe, [{
        type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Pipe,
        args: [{ name: 'i18nPlural', pure: true }]
    }], function () { return [{ type: NgLocalization }]; }, null); })();

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
/**
 * @ngModule CommonModule
 * @description
 *
 * Generic selector that displays the string that matches the current value.
 *
 * If none of the keys of the `mapping` match the `value`, then the content
 * of the `other` key is returned when present, otherwise an empty string is returned.
 *
 * @usageNotes
 *
 * ### Example
 *
 * {@example common/pipes/ts/i18n_pipe.ts region='I18nSelectPipeComponent'}
 *
 * @publicApi
 */
class I18nSelectPipe {
    /**
     * @param value a string to be internationalized.
     * @param mapping an object that indicates the text that should be displayed
     * for different values of the provided `value`.
     */
    transform(value, mapping) {
        if (value == null)
            return '';
        if (typeof mapping !== 'object' || typeof value !== 'string') {
            throw invalidPipeArgumentError(I18nSelectPipe, mapping);
        }
        if (mapping.hasOwnProperty(value)) {
            return mapping[value];
        }
        if (mapping.hasOwnProperty('other')) {
            return mapping['other'];
        }
        return '';
    }
}
I18nSelectPipe.ɵfac = function I18nSelectPipe_Factory(t) { return new (t || I18nSelectPipe)(); };
I18nSelectPipe.ɵpipe = /*@__PURE__*/ _angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵɵdefinePipe"]({ name: "i18nSelect", type: I18nSelectPipe, pure: true });
(function () { (typeof ngDevMode === "undefined" || ngDevMode) && _angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵsetClassMetadata"](I18nSelectPipe, [{
        type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Pipe,
        args: [{ name: 'i18nSelect', pure: true }]
    }], null, null); })();

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
/**
 * @ngModule CommonModule
 * @description
 *
 * Converts a value into its JSON-format representation.  Useful for debugging.
 *
 * @usageNotes
 *
 * The following component uses a JSON pipe to convert an object
 * to JSON format, and displays the string in both formats for comparison.
 *
 * {@example common/pipes/ts/json_pipe.ts region='JsonPipe'}
 *
 * @publicApi
 */
class JsonPipe {
    /**
     * @param value A value of any type to convert into a JSON-format string.
     */
    transform(value) {
        return JSON.stringify(value, null, 2);
    }
}
JsonPipe.ɵfac = function JsonPipe_Factory(t) { return new (t || JsonPipe)(); };
JsonPipe.ɵpipe = /*@__PURE__*/ _angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵɵdefinePipe"]({ name: "json", type: JsonPipe, pure: false });
(function () { (typeof ngDevMode === "undefined" || ngDevMode) && _angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵsetClassMetadata"](JsonPipe, [{
        type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Pipe,
        args: [{ name: 'json', pure: false }]
    }], null, null); })();

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
function makeKeyValuePair(key, value) {
    return { key: key, value: value };
}
/**
 * @ngModule CommonModule
 * @description
 *
 * Transforms Object or Map into an array of key value pairs.
 *
 * The output array will be ordered by keys.
 * By default the comparator will be by Unicode point value.
 * You can optionally pass a compareFn if your keys are complex types.
 *
 * @usageNotes
 * ### Examples
 *
 * This examples show how an Object or a Map can be iterated by ngFor with the use of this
 * keyvalue pipe.
 *
 * {@example common/pipes/ts/keyvalue_pipe.ts region='KeyValuePipe'}
 *
 * @publicApi
 */
class KeyValuePipe {
    constructor(differs) {
        this.differs = differs;
        this.keyValues = [];
        this.compareFn = defaultComparator;
    }
    transform(input, compareFn = defaultComparator) {
        if (!input || (!(input instanceof Map) && typeof input !== 'object')) {
            return null;
        }
        if (!this.differ) {
            // make a differ for whatever type we've been passed in
            this.differ = this.differs.find(input).create();
        }
        const differChanges = this.differ.diff(input);
        const compareFnChanged = compareFn !== this.compareFn;
        if (differChanges) {
            this.keyValues = [];
            differChanges.forEachItem((r) => {
                this.keyValues.push(makeKeyValuePair(r.key, r.currentValue));
            });
        }
        if (differChanges || compareFnChanged) {
            this.keyValues.sort(compareFn);
            this.compareFn = compareFn;
        }
        return this.keyValues;
    }
}
KeyValuePipe.ɵfac = function KeyValuePipe_Factory(t) { return new (t || KeyValuePipe)(_angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵɵdirectiveInject"](_angular_core__WEBPACK_IMPORTED_MODULE_0__.KeyValueDiffers, 16)); };
KeyValuePipe.ɵpipe = /*@__PURE__*/ _angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵɵdefinePipe"]({ name: "keyvalue", type: KeyValuePipe, pure: false });
KeyValuePipe.ctorParameters = () => [
    { type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.KeyValueDiffers }
];
(function () { (typeof ngDevMode === "undefined" || ngDevMode) && _angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵsetClassMetadata"](KeyValuePipe, [{
        type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Pipe,
        args: [{ name: 'keyvalue', pure: false }]
    }], function () { return [{ type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.KeyValueDiffers }]; }, null); })();
function defaultComparator(keyValueA, keyValueB) {
    const a = keyValueA.key;
    const b = keyValueB.key;
    // if same exit with 0;
    if (a === b)
        return 0;
    // make sure that undefined are at the end of the sort.
    if (a === undefined)
        return 1;
    if (b === undefined)
        return -1;
    // make sure that nulls are at the end of the sort.
    if (a === null)
        return 1;
    if (b === null)
        return -1;
    if (typeof a == 'string' && typeof b == 'string') {
        return a < b ? -1 : 1;
    }
    if (typeof a == 'number' && typeof b == 'number') {
        return a - b;
    }
    if (typeof a == 'boolean' && typeof b == 'boolean') {
        return a < b ? -1 : 1;
    }
    // `a` and `b` are of different types. Compare their string values.
    const aString = String(a);
    const bString = String(b);
    return aString == bString ? 0 : aString < bString ? -1 : 1;
}

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
/**
 * @ngModule CommonModule
 * @description
 *
 * Formats a value according to digit options and locale rules.
 * Locale determines group sizing and separator,
 * decimal point character, and other locale-specific configurations.
 *
 * @see `formatNumber()`
 *
 * @usageNotes
 *
 * ### digitsInfo
 *
 * The value's decimal representation is specified by the `digitsInfo`
 * parameter, written in the following format:<br>
 *
 * ```
 * {minIntegerDigits}.{minFractionDigits}-{maxFractionDigits}
 * ```
 *
 *  - `minIntegerDigits`:
 * The minimum number of integer digits before the decimal point.
 * Default is 1.
 *
 * - `minFractionDigits`:
 * The minimum number of digits after the decimal point.
 * Default is 0.
 *
 *  - `maxFractionDigits`:
 * The maximum number of digits after the decimal point.
 * Default is 3.
 *
 * If the formatted value is truncated it will be rounded using the "to-nearest" method:
 *
 * ```
 * {{3.6 | number: '1.0-0'}}
 * <!--will output '4'-->
 *
 * {{-3.6 | number:'1.0-0'}}
 * <!--will output '-4'-->
 * ```
 *
 * ### locale
 *
 * `locale` will format a value according to locale rules.
 * Locale determines group sizing and separator,
 * decimal point character, and other locale-specific configurations.
 *
 * When not supplied, uses the value of `LOCALE_ID`, which is `en-US` by default.
 *
 * See [Setting your app locale](guide/i18n#setting-up-the-locale-of-your-app).
 *
 * ### Example
 *
 * The following code shows how the pipe transforms values
 * according to various format specifications,
 * where the caller's default locale is `en-US`.
 *
 * <code-example path="common/pipes/ts/number_pipe.ts" region='NumberPipe'></code-example>
 *
 * @publicApi
 */
class DecimalPipe {
    constructor(_locale) {
        this._locale = _locale;
    }
    /**
     * @param value The value to be formatted.
     * @param digitsInfo Sets digit and decimal representation.
     * [See more](#digitsinfo).
     * @param locale Specifies what locale format rules to use.
     * [See more](#locale).
     */
    transform(value, digitsInfo, locale) {
        if (!isValue(value))
            return null;
        locale = locale || this._locale;
        try {
            const num = strToNumber(value);
            return formatNumber(num, locale, digitsInfo);
        }
        catch (error) {
            throw invalidPipeArgumentError(DecimalPipe, error.message);
        }
    }
}
DecimalPipe.ɵfac = function DecimalPipe_Factory(t) { return new (t || DecimalPipe)(_angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵɵdirectiveInject"](_angular_core__WEBPACK_IMPORTED_MODULE_0__.LOCALE_ID, 16)); };
DecimalPipe.ɵpipe = /*@__PURE__*/ _angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵɵdefinePipe"]({ name: "number", type: DecimalPipe, pure: true });
DecimalPipe.ctorParameters = () => [
    { type: String, decorators: [{ type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Inject, args: [_angular_core__WEBPACK_IMPORTED_MODULE_0__.LOCALE_ID,] }] }
];
(function () { (typeof ngDevMode === "undefined" || ngDevMode) && _angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵsetClassMetadata"](DecimalPipe, [{
        type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Pipe,
        args: [{ name: 'number' }]
    }], function () { return [{ type: String, decorators: [{
                type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Inject,
                args: [_angular_core__WEBPACK_IMPORTED_MODULE_0__.LOCALE_ID]
            }] }]; }, null); })();
/**
 * @ngModule CommonModule
 * @description
 *
 * Transforms a number to a percentage
 * string, formatted according to locale rules that determine group sizing and
 * separator, decimal-point character, and other locale-specific
 * configurations.
 *
 * @see `formatPercent()`
 *
 * @usageNotes
 * The following code shows how the pipe transforms numbers
 * into text strings, according to various format specifications,
 * where the caller's default locale is `en-US`.
 *
 * <code-example path="common/pipes/ts/percent_pipe.ts" region='PercentPipe'></code-example>
 *
 * @publicApi
 */
class PercentPipe {
    constructor(_locale) {
        this._locale = _locale;
    }
    /**
     *
     * @param value The number to be formatted as a percentage.
     * @param digitsInfo Decimal representation options, specified by a string
     * in the following format:<br>
     * <code>{minIntegerDigits}.{minFractionDigits}-{maxFractionDigits}</code>.
     *   - `minIntegerDigits`: The minimum number of integer digits before the decimal point.
     * Default is `1`.
     *   - `minFractionDigits`: The minimum number of digits after the decimal point.
     * Default is `0`.
     *   - `maxFractionDigits`: The maximum number of digits after the decimal point.
     * Default is `0`.
     * @param locale A locale code for the locale format rules to use.
     * When not supplied, uses the value of `LOCALE_ID`, which is `en-US` by default.
     * See [Setting your app locale](guide/i18n#setting-up-the-locale-of-your-app).
     */
    transform(value, digitsInfo, locale) {
        if (!isValue(value))
            return null;
        locale = locale || this._locale;
        try {
            const num = strToNumber(value);
            return formatPercent(num, locale, digitsInfo);
        }
        catch (error) {
            throw invalidPipeArgumentError(PercentPipe, error.message);
        }
    }
}
PercentPipe.ɵfac = function PercentPipe_Factory(t) { return new (t || PercentPipe)(_angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵɵdirectiveInject"](_angular_core__WEBPACK_IMPORTED_MODULE_0__.LOCALE_ID, 16)); };
PercentPipe.ɵpipe = /*@__PURE__*/ _angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵɵdefinePipe"]({ name: "percent", type: PercentPipe, pure: true });
PercentPipe.ctorParameters = () => [
    { type: String, decorators: [{ type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Inject, args: [_angular_core__WEBPACK_IMPORTED_MODULE_0__.LOCALE_ID,] }] }
];
(function () { (typeof ngDevMode === "undefined" || ngDevMode) && _angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵsetClassMetadata"](PercentPipe, [{
        type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Pipe,
        args: [{ name: 'percent' }]
    }], function () { return [{ type: String, decorators: [{
                type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Inject,
                args: [_angular_core__WEBPACK_IMPORTED_MODULE_0__.LOCALE_ID]
            }] }]; }, null); })();
/**
 * @ngModule CommonModule
 * @description
 *
 * Transforms a number to a currency string, formatted according to locale rules
 * that determine group sizing and separator, decimal-point character,
 * and other locale-specific configurations.
 *
 * {@a currency-code-deprecation}
 * <div class="alert is-helpful">
 *
 * **Deprecation notice:**
 *
 * The default currency code is currently always `USD` but this is deprecated from v9.
 *
 * **In v11 the default currency code will be taken from the current locale identified by
 * the `LOCALE_ID` token. See the [i18n guide](guide/i18n#setting-up-the-locale-of-your-app) for
 * more information.**
 *
 * If you need the previous behavior then set it by creating a `DEFAULT_CURRENCY_CODE` provider in
 * your application `NgModule`:
 *
 * ```ts
 * {provide: DEFAULT_CURRENCY_CODE, useValue: 'USD'}
 * ```
 *
 * </div>
 *
 * @see `getCurrencySymbol()`
 * @see `formatCurrency()`
 *
 * @usageNotes
 * The following code shows how the pipe transforms numbers
 * into text strings, according to various format specifications,
 * where the caller's default locale is `en-US`.
 *
 * <code-example path="common/pipes/ts/currency_pipe.ts" region='CurrencyPipe'></code-example>
 *
 * @publicApi
 */
class CurrencyPipe {
    constructor(_locale, _defaultCurrencyCode = 'USD') {
        this._locale = _locale;
        this._defaultCurrencyCode = _defaultCurrencyCode;
    }
    /**
     *
     * @param value The number to be formatted as currency.
     * @param currencyCode The [ISO 4217](https://en.wikipedia.org/wiki/ISO_4217) currency code,
     * such as `USD` for the US dollar and `EUR` for the euro. The default currency code can be
     * configured using the `DEFAULT_CURRENCY_CODE` injection token.
     * @param display The format for the currency indicator. One of the following:
     *   - `code`: Show the code (such as `USD`).
     *   - `symbol`(default): Show the symbol (such as `$`).
     *   - `symbol-narrow`: Use the narrow symbol for locales that have two symbols for their
     * currency.
     * For example, the Canadian dollar CAD has the symbol `CA$` and the symbol-narrow `$`. If the
     * locale has no narrow symbol, uses the standard symbol for the locale.
     *   - String: Use the given string value instead of a code or a symbol.
     * For example, an empty string will suppress the currency & symbol.
     *   - Boolean (marked deprecated in v5): `true` for symbol and false for `code`.
     *
     * @param digitsInfo Decimal representation options, specified by a string
     * in the following format:<br>
     * <code>{minIntegerDigits}.{minFractionDigits}-{maxFractionDigits}</code>.
     *   - `minIntegerDigits`: The minimum number of integer digits before the decimal point.
     * Default is `1`.
     *   - `minFractionDigits`: The minimum number of digits after the decimal point.
     * Default is `2`.
     *   - `maxFractionDigits`: The maximum number of digits after the decimal point.
     * Default is `2`.
     * If not provided, the number will be formatted with the proper amount of digits,
     * depending on what the [ISO 4217](https://en.wikipedia.org/wiki/ISO_4217) specifies.
     * For example, the Canadian dollar has 2 digits, whereas the Chilean peso has none.
     * @param locale A locale code for the locale format rules to use.
     * When not supplied, uses the value of `LOCALE_ID`, which is `en-US` by default.
     * See [Setting your app locale](guide/i18n#setting-up-the-locale-of-your-app).
     */
    transform(value, currencyCode = this._defaultCurrencyCode, display = 'symbol', digitsInfo, locale) {
        if (!isValue(value))
            return null;
        locale = locale || this._locale;
        if (typeof display === 'boolean') {
            if ((typeof ngDevMode === 'undefined' || ngDevMode) && console && console.warn) {
                console.warn(`Warning: the currency pipe has been changed in Angular v5. The symbolDisplay option (third parameter) is now a string instead of a boolean. The accepted values are "code", "symbol" or "symbol-narrow".`);
            }
            display = display ? 'symbol' : 'code';
        }
        let currency = currencyCode || this._defaultCurrencyCode;
        if (display !== 'code') {
            if (display === 'symbol' || display === 'symbol-narrow') {
                currency = getCurrencySymbol(currency, display === 'symbol' ? 'wide' : 'narrow', locale);
            }
            else {
                currency = display;
            }
        }
        try {
            const num = strToNumber(value);
            return formatCurrency(num, locale, currency, currencyCode, digitsInfo);
        }
        catch (error) {
            throw invalidPipeArgumentError(CurrencyPipe, error.message);
        }
    }
}
CurrencyPipe.ɵfac = function CurrencyPipe_Factory(t) { return new (t || CurrencyPipe)(_angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵɵdirectiveInject"](_angular_core__WEBPACK_IMPORTED_MODULE_0__.LOCALE_ID, 16), _angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵɵdirectiveInject"](_angular_core__WEBPACK_IMPORTED_MODULE_0__.DEFAULT_CURRENCY_CODE, 16)); };
CurrencyPipe.ɵpipe = /*@__PURE__*/ _angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵɵdefinePipe"]({ name: "currency", type: CurrencyPipe, pure: true });
CurrencyPipe.ctorParameters = () => [
    { type: String, decorators: [{ type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Inject, args: [_angular_core__WEBPACK_IMPORTED_MODULE_0__.LOCALE_ID,] }] },
    { type: String, decorators: [{ type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Inject, args: [_angular_core__WEBPACK_IMPORTED_MODULE_0__.DEFAULT_CURRENCY_CODE,] }] }
];
(function () { (typeof ngDevMode === "undefined" || ngDevMode) && _angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵsetClassMetadata"](CurrencyPipe, [{
        type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Pipe,
        args: [{ name: 'currency' }]
    }], function () { return [{ type: String, decorators: [{
                type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Inject,
                args: [_angular_core__WEBPACK_IMPORTED_MODULE_0__.LOCALE_ID]
            }] }, { type: String, decorators: [{
                type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Inject,
                args: [_angular_core__WEBPACK_IMPORTED_MODULE_0__.DEFAULT_CURRENCY_CODE]
            }] }]; }, null); })();
function isValue(value) {
    return !(value == null || value === '' || value !== value);
}
/**
 * Transforms a string into a number (if needed).
 */
function strToNumber(value) {
    // Convert strings to numbers
    if (typeof value === 'string' && !isNaN(Number(value) - parseFloat(value))) {
        return Number(value);
    }
    if (typeof value !== 'number') {
        throw new Error(`${value} is not a number`);
    }
    return value;
}

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
/**
 * @ngModule CommonModule
 * @description
 *
 * Creates a new `Array` or `String` containing a subset (slice) of the elements.
 *
 * @usageNotes
 *
 * All behavior is based on the expected behavior of the JavaScript API `Array.prototype.slice()`
 * and `String.prototype.slice()`.
 *
 * When operating on an `Array`, the returned `Array` is always a copy even when all
 * the elements are being returned.
 *
 * When operating on a blank value, the pipe returns the blank value.
 *
 * ### List Example
 *
 * This `ngFor` example:
 *
 * {@example common/pipes/ts/slice_pipe.ts region='SlicePipe_list'}
 *
 * produces the following:
 *
 * ```html
 * <li>b</li>
 * <li>c</li>
 * ```
 *
 * ### String Examples
 *
 * {@example common/pipes/ts/slice_pipe.ts region='SlicePipe_string'}
 *
 * @publicApi
 */
class SlicePipe {
    transform(value, start, end) {
        if (value == null)
            return null;
        if (!this.supports(value)) {
            throw invalidPipeArgumentError(SlicePipe, value);
        }
        return value.slice(start, end);
    }
    supports(obj) {
        return typeof obj === 'string' || Array.isArray(obj);
    }
}
SlicePipe.ɵfac = function SlicePipe_Factory(t) { return new (t || SlicePipe)(); };
SlicePipe.ɵpipe = /*@__PURE__*/ _angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵɵdefinePipe"]({ name: "slice", type: SlicePipe, pure: false });
(function () { (typeof ngDevMode === "undefined" || ngDevMode) && _angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵsetClassMetadata"](SlicePipe, [{
        type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Pipe,
        args: [{ name: 'slice', pure: false }]
    }], null, null); })();

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
/**
 * A collection of Angular pipes that are likely to be used in each and every application.
 */
const COMMON_PIPES = [
    AsyncPipe,
    UpperCasePipe,
    LowerCasePipe,
    JsonPipe,
    SlicePipe,
    DecimalPipe,
    PercentPipe,
    TitleCasePipe,
    CurrencyPipe,
    DatePipe,
    I18nPluralPipe,
    I18nSelectPipe,
    KeyValuePipe,
];

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
// Note: This does not contain the location providers,
// as they need some platform specific implementations to work.
/**
 * Exports all the basic Angular directives and pipes,
 * such as `NgIf`, `NgForOf`, `DecimalPipe`, and so on.
 * Re-exported by `BrowserModule`, which is included automatically in the root
 * `AppModule` when you create a new app with the CLI `new` command.
 *
 * * The `providers` options configure the NgModule's injector to provide
 * localization dependencies to members.
 * * The `exports` options make the declared directives and pipes available for import
 * by other NgModules.
 *
 * @publicApi
 */
class CommonModule {
}
CommonModule.ɵfac = function CommonModule_Factory(t) { return new (t || CommonModule)(); };
CommonModule.ɵmod = /*@__PURE__*/ _angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵɵdefineNgModule"]({ type: CommonModule });
CommonModule.ɵinj = /*@__PURE__*/ _angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵɵdefineInjector"]({ providers: [
        { provide: NgLocalization, useClass: NgLocaleLocalization },
    ] });
(function () { (typeof ngDevMode === "undefined" || ngDevMode) && _angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵsetClassMetadata"](CommonModule, [{
        type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.NgModule,
        args: [{
                declarations: [COMMON_DIRECTIVES, COMMON_PIPES],
                exports: [COMMON_DIRECTIVES, COMMON_PIPES],
                providers: [
                    { provide: NgLocalization, useClass: NgLocaleLocalization },
                ]
            }]
    }], null, null); })();
(function () { (typeof ngJitMode === "undefined" || ngJitMode) && _angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵɵsetNgModuleScope"](CommonModule, { declarations: [NgClass, NgComponentOutlet, NgForOf, NgIf, NgTemplateOutlet, NgStyle, NgSwitch, NgSwitchCase, NgSwitchDefault, NgPlural, NgPluralCase, AsyncPipe, UpperCasePipe, LowerCasePipe, JsonPipe, SlicePipe, DecimalPipe, PercentPipe, TitleCasePipe, CurrencyPipe, DatePipe, I18nPluralPipe, I18nSelectPipe, KeyValuePipe], exports: [NgClass, NgComponentOutlet, NgForOf, NgIf, NgTemplateOutlet, NgStyle, NgSwitch, NgSwitchCase, NgSwitchDefault, NgPlural, NgPluralCase, AsyncPipe, UpperCasePipe, LowerCasePipe, JsonPipe, SlicePipe, DecimalPipe, PercentPipe, TitleCasePipe, CurrencyPipe, DatePipe, I18nPluralPipe, I18nSelectPipe, KeyValuePipe] }); })();

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
const PLATFORM_BROWSER_ID = 'browser';
const PLATFORM_SERVER_ID = 'server';
const PLATFORM_WORKER_APP_ID = 'browserWorkerApp';
const PLATFORM_WORKER_UI_ID = 'browserWorkerUi';
/**
 * Returns whether a platform id represents a browser platform.
 * @publicApi
 */
function isPlatformBrowser(platformId) {
    return platformId === PLATFORM_BROWSER_ID;
}
/**
 * Returns whether a platform id represents a server platform.
 * @publicApi
 */
function isPlatformServer(platformId) {
    return platformId === PLATFORM_SERVER_ID;
}
/**
 * Returns whether a platform id represents a web worker app platform.
 * @publicApi
 */
function isPlatformWorkerApp(platformId) {
    return platformId === PLATFORM_WORKER_APP_ID;
}
/**
 * Returns whether a platform id represents a web worker UI platform.
 * @publicApi
 */
function isPlatformWorkerUi(platformId) {
    return platformId === PLATFORM_WORKER_UI_ID;
}

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
/**
 * @publicApi
 */
const VERSION = new _angular_core__WEBPACK_IMPORTED_MODULE_0__.Version('12.1.5');

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
/**
 * Defines a scroll position manager. Implemented by `BrowserViewportScroller`.
 *
 * @publicApi
 */
class ViewportScroller {
}
// De-sugared tree-shakable injection
// See #23917
/** @nocollapse */
ViewportScroller.ɵprov = (0,_angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵɵdefineInjectable"])({
    token: ViewportScroller,
    providedIn: 'root',
    factory: () => new BrowserViewportScroller((0,_angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵɵinject"])(DOCUMENT), window)
});
/**
 * Manages the scroll position for a browser window.
 */
class BrowserViewportScroller {
    constructor(document, window) {
        this.document = document;
        this.window = window;
        this.offset = () => [0, 0];
    }
    /**
     * Configures the top offset used when scrolling to an anchor.
     * @param offset A position in screen coordinates (a tuple with x and y values)
     * or a function that returns the top offset position.
     *
     */
    setOffset(offset) {
        if (Array.isArray(offset)) {
            this.offset = () => offset;
        }
        else {
            this.offset = offset;
        }
    }
    /**
     * Retrieves the current scroll position.
     * @returns The position in screen coordinates.
     */
    getScrollPosition() {
        if (this.supportsScrolling()) {
            return [this.window.pageXOffset, this.window.pageYOffset];
        }
        else {
            return [0, 0];
        }
    }
    /**
     * Sets the scroll position.
     * @param position The new position in screen coordinates.
     */
    scrollToPosition(position) {
        if (this.supportsScrolling()) {
            this.window.scrollTo(position[0], position[1]);
        }
    }
    /**
     * Scrolls to an element and attempts to focus the element.
     *
     * Note that the function name here is misleading in that the target string may be an ID for a
     * non-anchor element.
     *
     * @param target The ID of an element or name of the anchor.
     *
     * @see https://html.spec.whatwg.org/#the-indicated-part-of-the-document
     * @see https://html.spec.whatwg.org/#scroll-to-fragid
     */
    scrollToAnchor(target) {
        if (!this.supportsScrolling()) {
            return;
        }
        // TODO(atscott): The correct behavior for `getElementsByName` would be to also verify that the
        // element is an anchor. However, this could be considered a breaking change and should be
        // done in a major version.
        const elSelected = findAnchorFromDocument(this.document, target);
        if (elSelected) {
            this.scrollToElement(elSelected);
            // After scrolling to the element, the spec dictates that we follow the focus steps for the
            // target. Rather than following the robust steps, simply attempt focus.
            this.attemptFocus(elSelected);
        }
    }
    /**
     * Disables automatic scroll restoration provided by the browser.
     */
    setHistoryScrollRestoration(scrollRestoration) {
        if (this.supportScrollRestoration()) {
            const history = this.window.history;
            if (history && history.scrollRestoration) {
                history.scrollRestoration = scrollRestoration;
            }
        }
    }
    /**
     * Scrolls to an element using the native offset and the specified offset set on this scroller.
     *
     * The offset can be used when we know that there is a floating header and scrolling naively to an
     * element (ex: `scrollIntoView`) leaves the element hidden behind the floating header.
     */
    scrollToElement(el) {
        const rect = el.getBoundingClientRect();
        const left = rect.left + this.window.pageXOffset;
        const top = rect.top + this.window.pageYOffset;
        const offset = this.offset();
        this.window.scrollTo(left - offset[0], top - offset[1]);
    }
    /**
     * Calls `focus` on the `focusTarget` and returns `true` if the element was focused successfully.
     *
     * If `false`, further steps may be necessary to determine a valid substitute to be focused
     * instead.
     *
     * @see https://html.spec.whatwg.org/#get-the-focusable-area
     * @see https://developer.mozilla.org/en-US/docs/Web/API/HTMLOrForeignElement/focus
     * @see https://html.spec.whatwg.org/#focusable-area
     */
    attemptFocus(focusTarget) {
        focusTarget.focus();
        return this.document.activeElement === focusTarget;
    }
    /**
     * We only support scroll restoration when we can get a hold of window.
     * This means that we do not support this behavior when running in a web worker.
     *
     * Lifting this restriction right now would require more changes in the dom adapter.
     * Since webworkers aren't widely used, we will lift it once RouterScroller is
     * battle-tested.
     */
    supportScrollRestoration() {
        try {
            if (!this.supportsScrolling()) {
                return false;
            }
            // The `scrollRestoration` property could be on the `history` instance or its prototype.
            const scrollRestorationDescriptor = getScrollRestorationProperty(this.window.history) ||
                getScrollRestorationProperty(Object.getPrototypeOf(this.window.history));
            // We can write to the `scrollRestoration` property if it is a writable data field or it has a
            // setter function.
            return !!scrollRestorationDescriptor &&
                !!(scrollRestorationDescriptor.writable || scrollRestorationDescriptor.set);
        }
        catch (_a) {
            return false;
        }
    }
    supportsScrolling() {
        try {
            return !!this.window && !!this.window.scrollTo && 'pageXOffset' in this.window;
        }
        catch (_a) {
            return false;
        }
    }
}
function getScrollRestorationProperty(obj) {
    return Object.getOwnPropertyDescriptor(obj, 'scrollRestoration');
}
function findAnchorFromDocument(document, target) {
    const documentResult = document.getElementById(target) || document.getElementsByName(target)[0];
    if (documentResult) {
        return documentResult;
    }
    // `getElementById` and `getElementsByName` won't pierce through the shadow DOM so we
    // have to traverse the DOM manually and do the lookup through the shadow roots.
    if (typeof document.createTreeWalker === 'function' && document.body &&
        (document.body.createShadowRoot || document.body.attachShadow)) {
        const treeWalker = document.createTreeWalker(document.body, NodeFilter.SHOW_ELEMENT);
        let currentNode = treeWalker.currentNode;
        while (currentNode) {
            const shadowRoot = currentNode.shadowRoot;
            if (shadowRoot) {
                // Note that `ShadowRoot` doesn't support `getElementsByName`
                // so we have to fall back to `querySelector`.
                const result = shadowRoot.getElementById(target) || shadowRoot.querySelector(`[name="${target}"]`);
                if (result) {
                    return result;
                }
            }
            currentNode = treeWalker.nextNode();
        }
    }
    return null;
}
/**
 * Provides an empty implementation of the viewport scroller.
 */
class NullViewportScroller {
    /**
     * Empty implementation
     */
    setOffset(offset) { }
    /**
     * Empty implementation
     */
    getScrollPosition() {
        return [0, 0];
    }
    /**
     * Empty implementation
     */
    scrollToPosition(position) { }
    /**
     * Empty implementation
     */
    scrollToAnchor(anchor) { }
    /**
     * Empty implementation
     */
    setHistoryScrollRestoration(scrollRestoration) { }
}

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
/**
 * A wrapper around the `XMLHttpRequest` constructor.
 *
 * @publicApi
 */
class XhrFactory {
}

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
// This file only reexports content of the `src` folder. Keep it that way.

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */

/**
 * Generated bundle index. Do not edit.
 */



//# sourceMappingURL=common.js.map

/***/ }),

/***/ 1841:
/*!********************************************************************!*\
  !*** ./node_modules/@angular/common/__ivy_ngcc__/fesm2015/http.js ***!
  \********************************************************************/
/***/ ((__unused_webpack_module, __webpack_exports__, __webpack_require__) => {

"use strict";
__webpack_require__.r(__webpack_exports__);
/* harmony export */ __webpack_require__.d(__webpack_exports__, {
/* harmony export */   "HTTP_INTERCEPTORS": () => (/* binding */ HTTP_INTERCEPTORS),
/* harmony export */   "HttpBackend": () => (/* binding */ HttpBackend),
/* harmony export */   "HttpClient": () => (/* binding */ HttpClient),
/* harmony export */   "HttpClientJsonpModule": () => (/* binding */ HttpClientJsonpModule),
/* harmony export */   "HttpClientModule": () => (/* binding */ HttpClientModule),
/* harmony export */   "HttpClientXsrfModule": () => (/* binding */ HttpClientXsrfModule),
/* harmony export */   "HttpContext": () => (/* binding */ HttpContext),
/* harmony export */   "HttpContextToken": () => (/* binding */ HttpContextToken),
/* harmony export */   "HttpErrorResponse": () => (/* binding */ HttpErrorResponse),
/* harmony export */   "HttpEventType": () => (/* binding */ HttpEventType),
/* harmony export */   "HttpHandler": () => (/* binding */ HttpHandler),
/* harmony export */   "HttpHeaderResponse": () => (/* binding */ HttpHeaderResponse),
/* harmony export */   "HttpHeaders": () => (/* binding */ HttpHeaders),
/* harmony export */   "HttpParams": () => (/* binding */ HttpParams),
/* harmony export */   "HttpRequest": () => (/* binding */ HttpRequest),
/* harmony export */   "HttpResponse": () => (/* binding */ HttpResponse),
/* harmony export */   "HttpResponseBase": () => (/* binding */ HttpResponseBase),
/* harmony export */   "HttpUrlEncodingCodec": () => (/* binding */ HttpUrlEncodingCodec),
/* harmony export */   "HttpXhrBackend": () => (/* binding */ HttpXhrBackend),
/* harmony export */   "HttpXsrfTokenExtractor": () => (/* binding */ HttpXsrfTokenExtractor),
/* harmony export */   "JsonpClientBackend": () => (/* binding */ JsonpClientBackend),
/* harmony export */   "JsonpInterceptor": () => (/* binding */ JsonpInterceptor),
/* harmony export */   "XhrFactory": () => (/* binding */ XhrFactory),
/* harmony export */   "ɵHttpInterceptingHandler": () => (/* binding */ HttpInterceptingHandler),
/* harmony export */   "ɵangular_packages_common_http_http_a": () => (/* binding */ NoopInterceptor),
/* harmony export */   "ɵangular_packages_common_http_http_b": () => (/* binding */ JsonpCallbackContext),
/* harmony export */   "ɵangular_packages_common_http_http_c": () => (/* binding */ jsonpCallbackContext),
/* harmony export */   "ɵangular_packages_common_http_http_d": () => (/* binding */ XSRF_COOKIE_NAME),
/* harmony export */   "ɵangular_packages_common_http_http_e": () => (/* binding */ XSRF_HEADER_NAME),
/* harmony export */   "ɵangular_packages_common_http_http_f": () => (/* binding */ HttpXsrfCookieExtractor),
/* harmony export */   "ɵangular_packages_common_http_http_g": () => (/* binding */ HttpXsrfInterceptor)
/* harmony export */ });
/* harmony import */ var _angular_common__WEBPACK_IMPORTED_MODULE_6__ = __webpack_require__(/*! @angular/common */ 8583);
/* harmony import */ var _angular_core__WEBPACK_IMPORTED_MODULE_4__ = __webpack_require__(/*! @angular/core */ 7716);
/* harmony import */ var rxjs__WEBPACK_IMPORTED_MODULE_0__ = __webpack_require__(/*! rxjs */ 5917);
/* harmony import */ var rxjs__WEBPACK_IMPORTED_MODULE_5__ = __webpack_require__(/*! rxjs */ 9165);
/* harmony import */ var rxjs_operators__WEBPACK_IMPORTED_MODULE_1__ = __webpack_require__(/*! rxjs/operators */ 4612);
/* harmony import */ var rxjs_operators__WEBPACK_IMPORTED_MODULE_2__ = __webpack_require__(/*! rxjs/operators */ 5435);
/* harmony import */ var rxjs_operators__WEBPACK_IMPORTED_MODULE_3__ = __webpack_require__(/*! rxjs/operators */ 8002);
/**
 * @license Angular v12.1.5
 * (c) 2010-2021 Google LLC. https://angular.io/
 * License: MIT
 */






/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
/**
 * Transforms an `HttpRequest` into a stream of `HttpEvent`s, one of which will likely be a
 * `HttpResponse`.
 *
 * `HttpHandler` is injectable. When injected, the handler instance dispatches requests to the
 * first interceptor in the chain, which dispatches to the second, etc, eventually reaching the
 * `HttpBackend`.
 *
 * In an `HttpInterceptor`, the `HttpHandler` parameter is the next interceptor in the chain.
 *
 * @publicApi
 */


class HttpHandler {
}
/**
 * A final `HttpHandler` which will dispatch the request via browser HTTP APIs to a backend.
 *
 * Interceptors sit between the `HttpClient` interface and the `HttpBackend`.
 *
 * When injected, `HttpBackend` dispatches requests directly to the backend, without going
 * through the interceptor chain.
 *
 * @publicApi
 */
class HttpBackend {
}

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
/**
 * Represents the header configuration options for an HTTP request.
 * Instances are immutable. Modifying methods return a cloned
 * instance with the change. The original object is never changed.
 *
 * @publicApi
 */
class HttpHeaders {
    /**  Constructs a new HTTP header object with the given values.*/
    constructor(headers) {
        /**
         * Internal map of lowercased header names to the normalized
         * form of the name (the form seen first).
         */
        this.normalizedNames = new Map();
        /**
         * Queued updates to be materialized the next initialization.
         */
        this.lazyUpdate = null;
        if (!headers) {
            this.headers = new Map();
        }
        else if (typeof headers === 'string') {
            this.lazyInit = () => {
                this.headers = new Map();
                headers.split('\n').forEach(line => {
                    const index = line.indexOf(':');
                    if (index > 0) {
                        const name = line.slice(0, index);
                        const key = name.toLowerCase();
                        const value = line.slice(index + 1).trim();
                        this.maybeSetNormalizedName(name, key);
                        if (this.headers.has(key)) {
                            this.headers.get(key).push(value);
                        }
                        else {
                            this.headers.set(key, [value]);
                        }
                    }
                });
            };
        }
        else {
            this.lazyInit = () => {
                this.headers = new Map();
                Object.keys(headers).forEach(name => {
                    let values = headers[name];
                    const key = name.toLowerCase();
                    if (typeof values === 'string') {
                        values = [values];
                    }
                    if (values.length > 0) {
                        this.headers.set(key, values);
                        this.maybeSetNormalizedName(name, key);
                    }
                });
            };
        }
    }
    /**
     * Checks for existence of a given header.
     *
     * @param name The header name to check for existence.
     *
     * @returns True if the header exists, false otherwise.
     */
    has(name) {
        this.init();
        return this.headers.has(name.toLowerCase());
    }
    /**
     * Retrieves the first value of a given header.
     *
     * @param name The header name.
     *
     * @returns The value string if the header exists, null otherwise
     */
    get(name) {
        this.init();
        const values = this.headers.get(name.toLowerCase());
        return values && values.length > 0 ? values[0] : null;
    }
    /**
     * Retrieves the names of the headers.
     *
     * @returns A list of header names.
     */
    keys() {
        this.init();
        return Array.from(this.normalizedNames.values());
    }
    /**
     * Retrieves a list of values for a given header.
     *
     * @param name The header name from which to retrieve values.
     *
     * @returns A string of values if the header exists, null otherwise.
     */
    getAll(name) {
        this.init();
        return this.headers.get(name.toLowerCase()) || null;
    }
    /**
     * Appends a new value to the existing set of values for a header
     * and returns them in a clone of the original instance.
     *
     * @param name The header name for which to append the values.
     * @param value The value to append.
     *
     * @returns A clone of the HTTP headers object with the value appended to the given header.
     */
    append(name, value) {
        return this.clone({ name, value, op: 'a' });
    }
    /**
     * Sets or modifies a value for a given header in a clone of the original instance.
     * If the header already exists, its value is replaced with the given value
     * in the returned object.
     *
     * @param name The header name.
     * @param value The value or values to set or overide for the given header.
     *
     * @returns A clone of the HTTP headers object with the newly set header value.
     */
    set(name, value) {
        return this.clone({ name, value, op: 's' });
    }
    /**
     * Deletes values for a given header in a clone of the original instance.
     *
     * @param name The header name.
     * @param value The value or values to delete for the given header.
     *
     * @returns A clone of the HTTP headers object with the given value deleted.
     */
    delete(name, value) {
        return this.clone({ name, value, op: 'd' });
    }
    maybeSetNormalizedName(name, lcName) {
        if (!this.normalizedNames.has(lcName)) {
            this.normalizedNames.set(lcName, name);
        }
    }
    init() {
        if (!!this.lazyInit) {
            if (this.lazyInit instanceof HttpHeaders) {
                this.copyFrom(this.lazyInit);
            }
            else {
                this.lazyInit();
            }
            this.lazyInit = null;
            if (!!this.lazyUpdate) {
                this.lazyUpdate.forEach(update => this.applyUpdate(update));
                this.lazyUpdate = null;
            }
        }
    }
    copyFrom(other) {
        other.init();
        Array.from(other.headers.keys()).forEach(key => {
            this.headers.set(key, other.headers.get(key));
            this.normalizedNames.set(key, other.normalizedNames.get(key));
        });
    }
    clone(update) {
        const clone = new HttpHeaders();
        clone.lazyInit =
            (!!this.lazyInit && this.lazyInit instanceof HttpHeaders) ? this.lazyInit : this;
        clone.lazyUpdate = (this.lazyUpdate || []).concat([update]);
        return clone;
    }
    applyUpdate(update) {
        const key = update.name.toLowerCase();
        switch (update.op) {
            case 'a':
            case 's':
                let value = update.value;
                if (typeof value === 'string') {
                    value = [value];
                }
                if (value.length === 0) {
                    return;
                }
                this.maybeSetNormalizedName(update.name, key);
                const base = (update.op === 'a' ? this.headers.get(key) : undefined) || [];
                base.push(...value);
                this.headers.set(key, base);
                break;
            case 'd':
                const toDelete = update.value;
                if (!toDelete) {
                    this.headers.delete(key);
                    this.normalizedNames.delete(key);
                }
                else {
                    let existing = this.headers.get(key);
                    if (!existing) {
                        return;
                    }
                    existing = existing.filter(value => toDelete.indexOf(value) === -1);
                    if (existing.length === 0) {
                        this.headers.delete(key);
                        this.normalizedNames.delete(key);
                    }
                    else {
                        this.headers.set(key, existing);
                    }
                }
                break;
        }
    }
    /**
     * @internal
     */
    forEach(fn) {
        this.init();
        Array.from(this.normalizedNames.keys())
            .forEach(key => fn(this.normalizedNames.get(key), this.headers.get(key)));
    }
}

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
/**
 * Provides encoding and decoding of URL parameter and query-string values.
 *
 * Serializes and parses URL parameter keys and values to encode and decode them.
 * If you pass URL query parameters without encoding,
 * the query parameters can be misinterpreted at the receiving end.
 *
 *
 * @publicApi
 */
class HttpUrlEncodingCodec {
    /**
     * Encodes a key name for a URL parameter or query-string.
     * @param key The key name.
     * @returns The encoded key name.
     */
    encodeKey(key) {
        return standardEncoding(key);
    }
    /**
     * Encodes the value of a URL parameter or query-string.
     * @param value The value.
     * @returns The encoded value.
     */
    encodeValue(value) {
        return standardEncoding(value);
    }
    /**
     * Decodes an encoded URL parameter or query-string key.
     * @param key The encoded key name.
     * @returns The decoded key name.
     */
    decodeKey(key) {
        return decodeURIComponent(key);
    }
    /**
     * Decodes an encoded URL parameter or query-string value.
     * @param value The encoded value.
     * @returns The decoded value.
     */
    decodeValue(value) {
        return decodeURIComponent(value);
    }
}
function paramParser(rawParams, codec) {
    const map = new Map();
    if (rawParams.length > 0) {
        // The `window.location.search` can be used while creating an instance of the `HttpParams` class
        // (e.g. `new HttpParams({ fromString: window.location.search })`). The `window.location.search`
        // may start with the `?` char, so we strip it if it's present.
        const params = rawParams.replace(/^\?/, '').split('&');
        params.forEach((param) => {
            const eqIdx = param.indexOf('=');
            const [key, val] = eqIdx == -1 ?
                [codec.decodeKey(param), ''] :
                [codec.decodeKey(param.slice(0, eqIdx)), codec.decodeValue(param.slice(eqIdx + 1))];
            const list = map.get(key) || [];
            list.push(val);
            map.set(key, list);
        });
    }
    return map;
}
function standardEncoding(v) {
    return encodeURIComponent(v)
        .replace(/%40/gi, '@')
        .replace(/%3A/gi, ':')
        .replace(/%24/gi, '$')
        .replace(/%2C/gi, ',')
        .replace(/%3B/gi, ';')
        .replace(/%2B/gi, '+')
        .replace(/%3D/gi, '=')
        .replace(/%3F/gi, '?')
        .replace(/%2F/gi, '/');
}
function valueToString(value) {
    return `${value}`;
}
/**
 * An HTTP request/response body that represents serialized parameters,
 * per the MIME type `application/x-www-form-urlencoded`.
 *
 * This class is immutable; all mutation operations return a new instance.
 *
 * @publicApi
 */
class HttpParams {
    constructor(options = {}) {
        this.updates = null;
        this.cloneFrom = null;
        this.encoder = options.encoder || new HttpUrlEncodingCodec();
        if (!!options.fromString) {
            if (!!options.fromObject) {
                throw new Error(`Cannot specify both fromString and fromObject.`);
            }
            this.map = paramParser(options.fromString, this.encoder);
        }
        else if (!!options.fromObject) {
            this.map = new Map();
            Object.keys(options.fromObject).forEach(key => {
                const value = options.fromObject[key];
                this.map.set(key, Array.isArray(value) ? value : [value]);
            });
        }
        else {
            this.map = null;
        }
    }
    /**
     * Reports whether the body includes one or more values for a given parameter.
     * @param param The parameter name.
     * @returns True if the parameter has one or more values,
     * false if it has no value or is not present.
     */
    has(param) {
        this.init();
        return this.map.has(param);
    }
    /**
     * Retrieves the first value for a parameter.
     * @param param The parameter name.
     * @returns The first value of the given parameter,
     * or `null` if the parameter is not present.
     */
    get(param) {
        this.init();
        const res = this.map.get(param);
        return !!res ? res[0] : null;
    }
    /**
     * Retrieves all values for a  parameter.
     * @param param The parameter name.
     * @returns All values in a string array,
     * or `null` if the parameter not present.
     */
    getAll(param) {
        this.init();
        return this.map.get(param) || null;
    }
    /**
     * Retrieves all the parameters for this body.
     * @returns The parameter names in a string array.
     */
    keys() {
        this.init();
        return Array.from(this.map.keys());
    }
    /**
     * Appends a new value to existing values for a parameter.
     * @param param The parameter name.
     * @param value The new value to add.
     * @return A new body with the appended value.
     */
    append(param, value) {
        return this.clone({ param, value, op: 'a' });
    }
    /**
     * Constructs a new body with appended values for the given parameter name.
     * @param params parameters and values
     * @return A new body with the new value.
     */
    appendAll(params) {
        const updates = [];
        Object.keys(params).forEach(param => {
            const value = params[param];
            if (Array.isArray(value)) {
                value.forEach(_value => {
                    updates.push({ param, value: _value, op: 'a' });
                });
            }
            else {
                updates.push({ param, value: value, op: 'a' });
            }
        });
        return this.clone(updates);
    }
    /**
     * Replaces the value for a parameter.
     * @param param The parameter name.
     * @param value The new value.
     * @return A new body with the new value.
     */
    set(param, value) {
        return this.clone({ param, value, op: 's' });
    }
    /**
     * Removes a given value or all values from a parameter.
     * @param param The parameter name.
     * @param value The value to remove, if provided.
     * @return A new body with the given value removed, or with all values
     * removed if no value is specified.
     */
    delete(param, value) {
        return this.clone({ param, value, op: 'd' });
    }
    /**
     * Serializes the body to an encoded string, where key-value pairs (separated by `=`) are
     * separated by `&`s.
     */
    toString() {
        this.init();
        return this.keys()
            .map(key => {
            const eKey = this.encoder.encodeKey(key);
            // `a: ['1']` produces `'a=1'`
            // `b: []` produces `''`
            // `c: ['1', '2']` produces `'c=1&c=2'`
            return this.map.get(key).map(value => eKey + '=' + this.encoder.encodeValue(value))
                .join('&');
        })
            // filter out empty values because `b: []` produces `''`
            // which results in `a=1&&c=1&c=2` instead of `a=1&c=1&c=2` if we don't
            .filter(param => param !== '')
            .join('&');
    }
    clone(update) {
        const clone = new HttpParams({ encoder: this.encoder });
        clone.cloneFrom = this.cloneFrom || this;
        clone.updates = (this.updates || []).concat(update);
        return clone;
    }
    init() {
        if (this.map === null) {
            this.map = new Map();
        }
        if (this.cloneFrom !== null) {
            this.cloneFrom.init();
            this.cloneFrom.keys().forEach(key => this.map.set(key, this.cloneFrom.map.get(key)));
            this.updates.forEach(update => {
                switch (update.op) {
                    case 'a':
                    case 's':
                        const base = (update.op === 'a' ? this.map.get(update.param) : undefined) || [];
                        base.push(valueToString(update.value));
                        this.map.set(update.param, base);
                        break;
                    case 'd':
                        if (update.value !== undefined) {
                            let base = this.map.get(update.param) || [];
                            const idx = base.indexOf(valueToString(update.value));
                            if (idx !== -1) {
                                base.splice(idx, 1);
                            }
                            if (base.length > 0) {
                                this.map.set(update.param, base);
                            }
                            else {
                                this.map.delete(update.param);
                            }
                        }
                        else {
                            this.map.delete(update.param);
                            break;
                        }
                }
            });
            this.cloneFrom = this.updates = null;
        }
    }
}

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
/**
 * A token used to manipulate and access values stored in `HttpContext`.
 *
 * @publicApi
 */
class HttpContextToken {
    constructor(defaultValue) {
        this.defaultValue = defaultValue;
    }
}
/**
 * Http context stores arbitrary user defined values and ensures type safety without
 * actually knowing the types. It is backed by a `Map` and guarantees that keys do not clash.
 *
 * This context is mutable and is shared between cloned requests unless explicitly specified.
 *
 * @usageNotes
 *
 * ### Usage Example
 *
 * ```typescript
 * // inside cache.interceptors.ts
 * export const IS_CACHE_ENABLED = new HttpContextToken<boolean>(() => false);
 *
 * export class CacheInterceptor implements HttpInterceptor {
 *
 *   intercept(req: HttpRequest<any>, delegate: HttpHandler): Observable<HttpEvent<any>> {
 *     if (req.context.get(IS_CACHE_ENABLED) === true) {
 *       return ...;
 *     }
 *     return delegate.handle(req);
 *   }
 * }
 *
 * // inside a service
 *
 * this.httpClient.get('/api/weather', {
 *   context: new HttpContext().set(IS_CACHE_ENABLED, true)
 * }).subscribe(...);
 * ```
 *
 * @publicApi
 */
class HttpContext {
    constructor() {
        this.map = new Map();
    }
    /**
     * Store a value in the context. If a value is already present it will be overwritten.
     *
     * @param token The reference to an instance of `HttpContextToken`.
     * @param value The value to store.
     *
     * @returns A reference to itself for easy chaining.
     */
    set(token, value) {
        this.map.set(token, value);
        return this;
    }
    /**
     * Retrieve the value associated with the given token.
     *
     * @param token The reference to an instance of `HttpContextToken`.
     *
     * @returns The stored value or default if one is defined.
     */
    get(token) {
        if (!this.map.has(token)) {
            this.map.set(token, token.defaultValue());
        }
        return this.map.get(token);
    }
    /**
     * Delete the value associated with the given token.
     *
     * @param token The reference to an instance of `HttpContextToken`.
     *
     * @returns A reference to itself for easy chaining.
     */
    delete(token) {
        this.map.delete(token);
        return this;
    }
    /**
     * @returns a list of tokens currently stored in the context.
     */
    keys() {
        return this.map.keys();
    }
}

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
/**
 * Determine whether the given HTTP method may include a body.
 */
function mightHaveBody(method) {
    switch (method) {
        case 'DELETE':
        case 'GET':
        case 'HEAD':
        case 'OPTIONS':
        case 'JSONP':
            return false;
        default:
            return true;
    }
}
/**
 * Safely assert whether the given value is an ArrayBuffer.
 *
 * In some execution environments ArrayBuffer is not defined.
 */
function isArrayBuffer(value) {
    return typeof ArrayBuffer !== 'undefined' && value instanceof ArrayBuffer;
}
/**
 * Safely assert whether the given value is a Blob.
 *
 * In some execution environments Blob is not defined.
 */
function isBlob(value) {
    return typeof Blob !== 'undefined' && value instanceof Blob;
}
/**
 * Safely assert whether the given value is a FormData instance.
 *
 * In some execution environments FormData is not defined.
 */
function isFormData(value) {
    return typeof FormData !== 'undefined' && value instanceof FormData;
}
/**
 * Safely assert whether the given value is a URLSearchParams instance.
 *
 * In some execution environments URLSearchParams is not defined.
 */
function isUrlSearchParams(value) {
    return typeof URLSearchParams !== 'undefined' && value instanceof URLSearchParams;
}
/**
 * An outgoing HTTP request with an optional typed body.
 *
 * `HttpRequest` represents an outgoing request, including URL, method,
 * headers, body, and other request configuration options. Instances should be
 * assumed to be immutable. To modify a `HttpRequest`, the `clone`
 * method should be used.
 *
 * @publicApi
 */
class HttpRequest {
    constructor(method, url, third, fourth) {
        this.url = url;
        /**
         * The request body, or `null` if one isn't set.
         *
         * Bodies are not enforced to be immutable, as they can include a reference to any
         * user-defined data type. However, interceptors should take care to preserve
         * idempotence by treating them as such.
         */
        this.body = null;
        /**
         * Whether this request should be made in a way that exposes progress events.
         *
         * Progress events are expensive (change detection runs on each event) and so
         * they should only be requested if the consumer intends to monitor them.
         */
        this.reportProgress = false;
        /**
         * Whether this request should be sent with outgoing credentials (cookies).
         */
        this.withCredentials = false;
        /**
         * The expected response type of the server.
         *
         * This is used to parse the response appropriately before returning it to
         * the requestee.
         */
        this.responseType = 'json';
        this.method = method.toUpperCase();
        // Next, need to figure out which argument holds the HttpRequestInit
        // options, if any.
        let options;
        // Check whether a body argument is expected. The only valid way to omit
        // the body argument is to use a known no-body method like GET.
        if (mightHaveBody(this.method) || !!fourth) {
            // Body is the third argument, options are the fourth.
            this.body = (third !== undefined) ? third : null;
            options = fourth;
        }
        else {
            // No body required, options are the third argument. The body stays null.
            options = third;
        }
        // If options have been passed, interpret them.
        if (options) {
            // Normalize reportProgress and withCredentials.
            this.reportProgress = !!options.reportProgress;
            this.withCredentials = !!options.withCredentials;
            // Override default response type of 'json' if one is provided.
            if (!!options.responseType) {
                this.responseType = options.responseType;
            }
            // Override headers if they're provided.
            if (!!options.headers) {
                this.headers = options.headers;
            }
            if (!!options.context) {
                this.context = options.context;
            }
            if (!!options.params) {
                this.params = options.params;
            }
        }
        // If no headers have been passed in, construct a new HttpHeaders instance.
        if (!this.headers) {
            this.headers = new HttpHeaders();
        }
        // If no context have been passed in, construct a new HttpContext instance.
        if (!this.context) {
            this.context = new HttpContext();
        }
        // If no parameters have been passed in, construct a new HttpUrlEncodedParams instance.
        if (!this.params) {
            this.params = new HttpParams();
            this.urlWithParams = url;
        }
        else {
            // Encode the parameters to a string in preparation for inclusion in the URL.
            const params = this.params.toString();
            if (params.length === 0) {
                // No parameters, the visible URL is just the URL given at creation time.
                this.urlWithParams = url;
            }
            else {
                // Does the URL already have query parameters? Look for '?'.
                const qIdx = url.indexOf('?');
                // There are 3 cases to handle:
                // 1) No existing parameters -> append '?' followed by params.
                // 2) '?' exists and is followed by existing query string ->
                //    append '&' followed by params.
                // 3) '?' exists at the end of the url -> append params directly.
                // This basically amounts to determining the character, if any, with
                // which to join the URL and parameters.
                const sep = qIdx === -1 ? '?' : (qIdx < url.length - 1 ? '&' : '');
                this.urlWithParams = url + sep + params;
            }
        }
    }
    /**
     * Transform the free-form body into a serialized format suitable for
     * transmission to the server.
     */
    serializeBody() {
        // If no body is present, no need to serialize it.
        if (this.body === null) {
            return null;
        }
        // Check whether the body is already in a serialized form. If so,
        // it can just be returned directly.
        if (isArrayBuffer(this.body) || isBlob(this.body) || isFormData(this.body) ||
            isUrlSearchParams(this.body) || typeof this.body === 'string') {
            return this.body;
        }
        // Check whether the body is an instance of HttpUrlEncodedParams.
        if (this.body instanceof HttpParams) {
            return this.body.toString();
        }
        // Check whether the body is an object or array, and serialize with JSON if so.
        if (typeof this.body === 'object' || typeof this.body === 'boolean' ||
            Array.isArray(this.body)) {
            return JSON.stringify(this.body);
        }
        // Fall back on toString() for everything else.
        return this.body.toString();
    }
    /**
     * Examine the body and attempt to infer an appropriate MIME type
     * for it.
     *
     * If no such type can be inferred, this method will return `null`.
     */
    detectContentTypeHeader() {
        // An empty body has no content type.
        if (this.body === null) {
            return null;
        }
        // FormData bodies rely on the browser's content type assignment.
        if (isFormData(this.body)) {
            return null;
        }
        // Blobs usually have their own content type. If it doesn't, then
        // no type can be inferred.
        if (isBlob(this.body)) {
            return this.body.type || null;
        }
        // Array buffers have unknown contents and thus no type can be inferred.
        if (isArrayBuffer(this.body)) {
            return null;
        }
        // Technically, strings could be a form of JSON data, but it's safe enough
        // to assume they're plain strings.
        if (typeof this.body === 'string') {
            return 'text/plain';
        }
        // `HttpUrlEncodedParams` has its own content-type.
        if (this.body instanceof HttpParams) {
            return 'application/x-www-form-urlencoded;charset=UTF-8';
        }
        // Arrays, objects, boolean and numbers will be encoded as JSON.
        if (typeof this.body === 'object' || typeof this.body === 'number' ||
            typeof this.body === 'boolean') {
            return 'application/json';
        }
        // No type could be inferred.
        return null;
    }
    clone(update = {}) {
        var _a;
        // For method, url, and responseType, take the current value unless
        // it is overridden in the update hash.
        const method = update.method || this.method;
        const url = update.url || this.url;
        const responseType = update.responseType || this.responseType;
        // The body is somewhat special - a `null` value in update.body means
        // whatever current body is present is being overridden with an empty
        // body, whereas an `undefined` value in update.body implies no
        // override.
        const body = (update.body !== undefined) ? update.body : this.body;
        // Carefully handle the boolean options to differentiate between
        // `false` and `undefined` in the update args.
        const withCredentials = (update.withCredentials !== undefined) ? update.withCredentials : this.withCredentials;
        const reportProgress = (update.reportProgress !== undefined) ? update.reportProgress : this.reportProgress;
        // Headers and params may be appended to if `setHeaders` or
        // `setParams` are used.
        let headers = update.headers || this.headers;
        let params = update.params || this.params;
        // Pass on context if needed
        const context = (_a = update.context) !== null && _a !== void 0 ? _a : this.context;
        // Check whether the caller has asked to add headers.
        if (update.setHeaders !== undefined) {
            // Set every requested header.
            headers =
                Object.keys(update.setHeaders)
                    .reduce((headers, name) => headers.set(name, update.setHeaders[name]), headers);
        }
        // Check whether the caller has asked to set params.
        if (update.setParams) {
            // Set every requested param.
            params = Object.keys(update.setParams)
                .reduce((params, param) => params.set(param, update.setParams[param]), params);
        }
        // Finally, construct the new HttpRequest using the pieces from above.
        return new HttpRequest(method, url, body, {
            params,
            headers,
            context,
            reportProgress,
            responseType,
            withCredentials,
        });
    }
}

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
/**
 * Type enumeration for the different kinds of `HttpEvent`.
 *
 * @publicApi
 */
var HttpEventType;
(function (HttpEventType) {
    /**
     * The request was sent out over the wire.
     */
    HttpEventType[HttpEventType["Sent"] = 0] = "Sent";
    /**
     * An upload progress event was received.
     */
    HttpEventType[HttpEventType["UploadProgress"] = 1] = "UploadProgress";
    /**
     * The response status code and headers were received.
     */
    HttpEventType[HttpEventType["ResponseHeader"] = 2] = "ResponseHeader";
    /**
     * A download progress event was received.
     */
    HttpEventType[HttpEventType["DownloadProgress"] = 3] = "DownloadProgress";
    /**
     * The full response including the body was received.
     */
    HttpEventType[HttpEventType["Response"] = 4] = "Response";
    /**
     * A custom event from an interceptor or a backend.
     */
    HttpEventType[HttpEventType["User"] = 5] = "User";
})(HttpEventType || (HttpEventType = {}));
/**
 * Base class for both `HttpResponse` and `HttpHeaderResponse`.
 *
 * @publicApi
 */
class HttpResponseBase {
    /**
     * Super-constructor for all responses.
     *
     * The single parameter accepted is an initialization hash. Any properties
     * of the response passed there will override the default values.
     */
    constructor(init, defaultStatus = 200 /* Ok */, defaultStatusText = 'OK') {
        // If the hash has values passed, use them to initialize the response.
        // Otherwise use the default values.
        this.headers = init.headers || new HttpHeaders();
        this.status = init.status !== undefined ? init.status : defaultStatus;
        this.statusText = init.statusText || defaultStatusText;
        this.url = init.url || null;
        // Cache the ok value to avoid defining a getter.
        this.ok = this.status >= 200 && this.status < 300;
    }
}
/**
 * A partial HTTP response which only includes the status and header data,
 * but no response body.
 *
 * `HttpHeaderResponse` is a `HttpEvent` available on the response
 * event stream, only when progress events are requested.
 *
 * @publicApi
 */
class HttpHeaderResponse extends HttpResponseBase {
    /**
     * Create a new `HttpHeaderResponse` with the given parameters.
     */
    constructor(init = {}) {
        super(init);
        this.type = HttpEventType.ResponseHeader;
    }
    /**
     * Copy this `HttpHeaderResponse`, overriding its contents with the
     * given parameter hash.
     */
    clone(update = {}) {
        // Perform a straightforward initialization of the new HttpHeaderResponse,
        // overriding the current parameters with new ones if given.
        return new HttpHeaderResponse({
            headers: update.headers || this.headers,
            status: update.status !== undefined ? update.status : this.status,
            statusText: update.statusText || this.statusText,
            url: update.url || this.url || undefined,
        });
    }
}
/**
 * A full HTTP response, including a typed response body (which may be `null`
 * if one was not returned).
 *
 * `HttpResponse` is a `HttpEvent` available on the response event
 * stream.
 *
 * @publicApi
 */
class HttpResponse extends HttpResponseBase {
    /**
     * Construct a new `HttpResponse`.
     */
    constructor(init = {}) {
        super(init);
        this.type = HttpEventType.Response;
        this.body = init.body !== undefined ? init.body : null;
    }
    clone(update = {}) {
        return new HttpResponse({
            body: (update.body !== undefined) ? update.body : this.body,
            headers: update.headers || this.headers,
            status: (update.status !== undefined) ? update.status : this.status,
            statusText: update.statusText || this.statusText,
            url: update.url || this.url || undefined,
        });
    }
}
/**
 * A response that represents an error or failure, either from a
 * non-successful HTTP status, an error while executing the request,
 * or some other failure which occurred during the parsing of the response.
 *
 * Any error returned on the `Observable` response stream will be
 * wrapped in an `HttpErrorResponse` to provide additional context about
 * the state of the HTTP layer when the error occurred. The error property
 * will contain either a wrapped Error object or the error response returned
 * from the server.
 *
 * @publicApi
 */
class HttpErrorResponse extends HttpResponseBase {
    constructor(init) {
        // Initialize with a default status of 0 / Unknown Error.
        super(init, 0, 'Unknown Error');
        this.name = 'HttpErrorResponse';
        /**
         * Errors are never okay, even when the status code is in the 2xx success range.
         */
        this.ok = false;
        // If the response was successful, then this was a parse error. Otherwise, it was
        // a protocol-level failure of some sort. Either the request failed in transit
        // or the server returned an unsuccessful status code.
        if (this.status >= 200 && this.status < 300) {
            this.message = `Http failure during parsing for ${init.url || '(unknown url)'}`;
        }
        else {
            this.message = `Http failure response for ${init.url || '(unknown url)'}: ${init.status} ${init.statusText}`;
        }
        this.error = init.error || null;
    }
}

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
/**
 * Constructs an instance of `HttpRequestOptions<T>` from a source `HttpMethodOptions` and
 * the given `body`. This function clones the object and adds the body.
 *
 * Note that the `responseType` *options* value is a String that identifies the
 * single data type of the response.
 * A single overload version of the method handles each response type.
 * The value of `responseType` cannot be a union, as the combined signature could imply.
 *
 */
function addBody(options, body) {
    return {
        body,
        headers: options.headers,
        context: options.context,
        observe: options.observe,
        params: options.params,
        reportProgress: options.reportProgress,
        responseType: options.responseType,
        withCredentials: options.withCredentials,
    };
}
/**
 * Performs HTTP requests.
 * This service is available as an injectable class, with methods to perform HTTP requests.
 * Each request method has multiple signatures, and the return type varies based on
 * the signature that is called (mainly the values of `observe` and `responseType`).
 *
 * Note that the `responseType` *options* value is a String that identifies the
 * single data type of the response.
 * A single overload version of the method handles each response type.
 * The value of `responseType` cannot be a union, as the combined signature could imply.

 *
 * @usageNotes
 * Sample HTTP requests for the [Tour of Heroes](/tutorial/toh-pt0) application.
 *
 * ### HTTP Request Example
 *
 * ```
 *  // GET heroes whose name contains search term
 * searchHeroes(term: string): observable<Hero[]>{
 *
 *  const params = new HttpParams({fromString: 'name=term'});
 *    return this.httpClient.request('GET', this.heroesUrl, {responseType:'json', params});
 * }
 * ```
 *
 * Alternatively, the parameter string can be used without invoking HttpParams
 * by directly joining to the URL.
 * ```
 * this.httpClient.request('GET', this.heroesUrl + '?' + 'name=term', {responseType:'json'});
 * ```
 *
 *
 * ### JSONP Example
 * ```
 * requestJsonp(url, callback = 'callback') {
 *  return this.httpClient.jsonp(this.heroesURL, callback);
 * }
 * ```
 *
 * ### PATCH Example
 * ```
 * // PATCH one of the heroes' name
 * patchHero (id: number, heroName: string): Observable<{}> {
 * const url = `${this.heroesUrl}/${id}`;   // PATCH api/heroes/42
 *  return this.httpClient.patch(url, {name: heroName}, httpOptions)
 *    .pipe(catchError(this.handleError('patchHero')));
 * }
 * ```
 *
 * @see [HTTP Guide](guide/http)
 * @see [HTTP Request](api/common/http/HttpRequest)
 *
 * @publicApi
 */
class HttpClient {
    constructor(handler) {
        this.handler = handler;
    }
    /**
     * Constructs an observable for a generic HTTP request that, when subscribed,
     * fires the request through the chain of registered interceptors and on to the
     * server.
     *
     * You can pass an `HttpRequest` directly as the only parameter. In this case,
     * the call returns an observable of the raw `HttpEvent` stream.
     *
     * Alternatively you can pass an HTTP method as the first parameter,
     * a URL string as the second, and an options hash containing the request body as the third.
     * See `addBody()`. In this case, the specified `responseType` and `observe` options determine the
     * type of returned observable.
     *   * The `responseType` value determines how a successful response body is parsed.
     *   * If `responseType` is the default `json`, you can pass a type interface for the resulting
     * object as a type parameter to the call.
     *
     * The `observe` value determines the return type, according to what you are interested in
     * observing.
     *   * An `observe` value of events returns an observable of the raw `HttpEvent` stream, including
     * progress events by default.
     *   * An `observe` value of response returns an observable of `HttpResponse<T>`,
     * where the `T` parameter depends on the `responseType` and any optionally provided type
     * parameter.
     *   * An `observe` value of body returns an observable of `<T>` with the same `T` body type.
     *
     */
    request(first, url, options = {}) {
        let req;
        // First, check whether the primary argument is an instance of `HttpRequest`.
        if (first instanceof HttpRequest) {
            // It is. The other arguments must be undefined (per the signatures) and can be
            // ignored.
            req = first;
        }
        else {
            // It's a string, so it represents a URL. Construct a request based on it,
            // and incorporate the remaining arguments (assuming `GET` unless a method is
            // provided.
            // Figure out the headers.
            let headers = undefined;
            if (options.headers instanceof HttpHeaders) {
                headers = options.headers;
            }
            else {
                headers = new HttpHeaders(options.headers);
            }
            // Sort out parameters.
            let params = undefined;
            if (!!options.params) {
                if (options.params instanceof HttpParams) {
                    params = options.params;
                }
                else {
                    params = new HttpParams({ fromObject: options.params });
                }
            }
            // Construct the request.
            req = new HttpRequest(first, url, (options.body !== undefined ? options.body : null), {
                headers,
                context: options.context,
                params,
                reportProgress: options.reportProgress,
                // By default, JSON is assumed to be returned for all calls.
                responseType: options.responseType || 'json',
                withCredentials: options.withCredentials,
            });
        }
        // Start with an Observable.of() the initial request, and run the handler (which
        // includes all interceptors) inside a concatMap(). This way, the handler runs
        // inside an Observable chain, which causes interceptors to be re-run on every
        // subscription (this also makes retries re-run the handler, including interceptors).
        const events$ = (0,rxjs__WEBPACK_IMPORTED_MODULE_0__.of)(req).pipe((0,rxjs_operators__WEBPACK_IMPORTED_MODULE_1__.concatMap)((req) => this.handler.handle(req)));
        // If coming via the API signature which accepts a previously constructed HttpRequest,
        // the only option is to get the event stream. Otherwise, return the event stream if
        // that is what was requested.
        if (first instanceof HttpRequest || options.observe === 'events') {
            return events$;
        }
        // The requested stream contains either the full response or the body. In either
        // case, the first step is to filter the event stream to extract a stream of
        // responses(s).
        const res$ = events$.pipe((0,rxjs_operators__WEBPACK_IMPORTED_MODULE_2__.filter)((event) => event instanceof HttpResponse));
        // Decide which stream to return.
        switch (options.observe || 'body') {
            case 'body':
                // The requested stream is the body. Map the response stream to the response
                // body. This could be done more simply, but a misbehaving interceptor might
                // transform the response body into a different format and ignore the requested
                // responseType. Guard against this by validating that the response is of the
                // requested type.
                switch (req.responseType) {
                    case 'arraybuffer':
                        return res$.pipe((0,rxjs_operators__WEBPACK_IMPORTED_MODULE_3__.map)((res) => {
                            // Validate that the body is an ArrayBuffer.
                            if (res.body !== null && !(res.body instanceof ArrayBuffer)) {
                                throw new Error('Response is not an ArrayBuffer.');
                            }
                            return res.body;
                        }));
                    case 'blob':
                        return res$.pipe((0,rxjs_operators__WEBPACK_IMPORTED_MODULE_3__.map)((res) => {
                            // Validate that the body is a Blob.
                            if (res.body !== null && !(res.body instanceof Blob)) {
                                throw new Error('Response is not a Blob.');
                            }
                            return res.body;
                        }));
                    case 'text':
                        return res$.pipe((0,rxjs_operators__WEBPACK_IMPORTED_MODULE_3__.map)((res) => {
                            // Validate that the body is a string.
                            if (res.body !== null && typeof res.body !== 'string') {
                                throw new Error('Response is not a string.');
                            }
                            return res.body;
                        }));
                    case 'json':
                    default:
                        // No validation needed for JSON responses, as they can be of any type.
                        return res$.pipe((0,rxjs_operators__WEBPACK_IMPORTED_MODULE_3__.map)((res) => res.body));
                }
            case 'response':
                // The response stream was requested directly, so return it.
                return res$;
            default:
                // Guard against new future observe types being added.
                throw new Error(`Unreachable: unhandled observe type ${options.observe}}`);
        }
    }
    /**
     * Constructs an observable that, when subscribed, causes the configured
     * `DELETE` request to execute on the server. See the individual overloads for
     * details on the return type.
     *
     * @param url     The endpoint URL.
     * @param options The HTTP options to send with the request.
     *
     */
    delete(url, options = {}) {
        return this.request('DELETE', url, options);
    }
    /**
     * Constructs an observable that, when subscribed, causes the configured
     * `GET` request to execute on the server. See the individual overloads for
     * details on the return type.
     */
    get(url, options = {}) {
        return this.request('GET', url, options);
    }
    /**
     * Constructs an observable that, when subscribed, causes the configured
     * `HEAD` request to execute on the server. The `HEAD` method returns
     * meta information about the resource without transferring the
     * resource itself. See the individual overloads for
     * details on the return type.
     */
    head(url, options = {}) {
        return this.request('HEAD', url, options);
    }
    /**
     * Constructs an `Observable` that, when subscribed, causes a request with the special method
     * `JSONP` to be dispatched via the interceptor pipeline.
     * The [JSONP pattern](https://en.wikipedia.org/wiki/JSONP) works around limitations of certain
     * API endpoints that don't support newer,
     * and preferable [CORS](https://developer.mozilla.org/en-US/docs/Web/HTTP/CORS) protocol.
     * JSONP treats the endpoint API as a JavaScript file and tricks the browser to process the
     * requests even if the API endpoint is not located on the same domain (origin) as the client-side
     * application making the request.
     * The endpoint API must support JSONP callback for JSONP requests to work.
     * The resource API returns the JSON response wrapped in a callback function.
     * You can pass the callback function name as one of the query parameters.
     * Note that JSONP requests can only be used with `GET` requests.
     *
     * @param url The resource URL.
     * @param callbackParam The callback function name.
     *
     */
    jsonp(url, callbackParam) {
        return this.request('JSONP', url, {
            params: new HttpParams().append(callbackParam, 'JSONP_CALLBACK'),
            observe: 'body',
            responseType: 'json',
        });
    }
    /**
     * Constructs an `Observable` that, when subscribed, causes the configured
     * `OPTIONS` request to execute on the server. This method allows the client
     * to determine the supported HTTP methods and other capabilites of an endpoint,
     * without implying a resource action. See the individual overloads for
     * details on the return type.
     */
    options(url, options = {}) {
        return this.request('OPTIONS', url, options);
    }
    /**
     * Constructs an observable that, when subscribed, causes the configured
     * `PATCH` request to execute on the server. See the individual overloads for
     * details on the return type.
     */
    patch(url, body, options = {}) {
        return this.request('PATCH', url, addBody(options, body));
    }
    /**
     * Constructs an observable that, when subscribed, causes the configured
     * `POST` request to execute on the server. The server responds with the location of
     * the replaced resource. See the individual overloads for
     * details on the return type.
     */
    post(url, body, options = {}) {
        return this.request('POST', url, addBody(options, body));
    }
    /**
     * Constructs an observable that, when subscribed, causes the configured
     * `PUT` request to execute on the server. The `PUT` method replaces an existing resource
     * with a new set of values.
     * See the individual overloads for details on the return type.
     */
    put(url, body, options = {}) {
        return this.request('PUT', url, addBody(options, body));
    }
}
HttpClient.ɵfac = function HttpClient_Factory(t) { return new (t || HttpClient)(_angular_core__WEBPACK_IMPORTED_MODULE_4__["ɵɵinject"](HttpHandler)); };
HttpClient.ɵprov = /*@__PURE__*/ _angular_core__WEBPACK_IMPORTED_MODULE_4__["ɵɵdefineInjectable"]({ token: HttpClient, factory: HttpClient.ɵfac });
HttpClient.ctorParameters = () => [
    { type: HttpHandler }
];
(function () { (typeof ngDevMode === "undefined" || ngDevMode) && _angular_core__WEBPACK_IMPORTED_MODULE_4__["ɵsetClassMetadata"](HttpClient, [{
        type: _angular_core__WEBPACK_IMPORTED_MODULE_4__.Injectable
    }], function () { return [{ type: HttpHandler }]; }, null); })();

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
/**
 * `HttpHandler` which applies an `HttpInterceptor` to an `HttpRequest`.
 *
 *
 */
class HttpInterceptorHandler {
    constructor(next, interceptor) {
        this.next = next;
        this.interceptor = interceptor;
    }
    handle(req) {
        return this.interceptor.intercept(req, this.next);
    }
}
/**
 * A multi-provider token that represents the array of registered
 * `HttpInterceptor` objects.
 *
 * @publicApi
 */
const HTTP_INTERCEPTORS = new _angular_core__WEBPACK_IMPORTED_MODULE_4__.InjectionToken('HTTP_INTERCEPTORS');
class NoopInterceptor {
    intercept(req, next) {
        return next.handle(req);
    }
}
NoopInterceptor.ɵfac = function NoopInterceptor_Factory(t) { return new (t || NoopInterceptor)(); };
NoopInterceptor.ɵprov = /*@__PURE__*/ _angular_core__WEBPACK_IMPORTED_MODULE_4__["ɵɵdefineInjectable"]({ token: NoopInterceptor, factory: NoopInterceptor.ɵfac });
(function () { (typeof ngDevMode === "undefined" || ngDevMode) && _angular_core__WEBPACK_IMPORTED_MODULE_4__["ɵsetClassMetadata"](NoopInterceptor, [{
        type: _angular_core__WEBPACK_IMPORTED_MODULE_4__.Injectable
    }], null, null); })();

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
// Every request made through JSONP needs a callback name that's unique across the
// whole page. Each request is assigned an id and the callback name is constructed
// from that. The next id to be assigned is tracked in a global variable here that
// is shared among all applications on the page.
let nextRequestId = 0;
// Error text given when a JSONP script is injected, but doesn't invoke the callback
// passed in its URL.
const JSONP_ERR_NO_CALLBACK = 'JSONP injected script did not invoke callback.';
// Error text given when a request is passed to the JsonpClientBackend that doesn't
// have a request method JSONP.
const JSONP_ERR_WRONG_METHOD = 'JSONP requests must use JSONP request method.';
const JSONP_ERR_WRONG_RESPONSE_TYPE = 'JSONP requests must use Json response type.';
/**
 * DI token/abstract type representing a map of JSONP callbacks.
 *
 * In the browser, this should always be the `window` object.
 *
 *
 */
class JsonpCallbackContext {
}
/**
 * Processes an `HttpRequest` with the JSONP method,
 * by performing JSONP style requests.
 * @see `HttpHandler`
 * @see `HttpXhrBackend`
 *
 * @publicApi
 */
class JsonpClientBackend {
    constructor(callbackMap, document) {
        this.callbackMap = callbackMap;
        this.document = document;
        /**
         * A resolved promise that can be used to schedule microtasks in the event handlers.
         */
        this.resolvedPromise = Promise.resolve();
    }
    /**
     * Get the name of the next callback method, by incrementing the global `nextRequestId`.
     */
    nextCallback() {
        return `ng_jsonp_callback_${nextRequestId++}`;
    }
    /**
     * Processes a JSONP request and returns an event stream of the results.
     * @param req The request object.
     * @returns An observable of the response events.
     *
     */
    handle(req) {
        // Firstly, check both the method and response type. If either doesn't match
        // then the request was improperly routed here and cannot be handled.
        if (req.method !== 'JSONP') {
            throw new Error(JSONP_ERR_WRONG_METHOD);
        }
        else if (req.responseType !== 'json') {
            throw new Error(JSONP_ERR_WRONG_RESPONSE_TYPE);
        }
        // Everything else happens inside the Observable boundary.
        return new rxjs__WEBPACK_IMPORTED_MODULE_5__.Observable((observer) => {
            // The first step to make a request is to generate the callback name, and replace the
            // callback placeholder in the URL with the name. Care has to be taken here to ensure
            // a trailing &, if matched, gets inserted back into the URL in the correct place.
            const callback = this.nextCallback();
            const url = req.urlWithParams.replace(/=JSONP_CALLBACK(&|$)/, `=${callback}$1`);
            // Construct the <script> tag and point it at the URL.
            const node = this.document.createElement('script');
            node.src = url;
            // A JSONP request requires waiting for multiple callbacks. These variables
            // are closed over and track state across those callbacks.
            // The response object, if one has been received, or null otherwise.
            let body = null;
            // Whether the response callback has been called.
            let finished = false;
            // Whether the request has been cancelled (and thus any other callbacks)
            // should be ignored.
            let cancelled = false;
            // Set the response callback in this.callbackMap (which will be the window
            // object in the browser. The script being loaded via the <script> tag will
            // eventually call this callback.
            this.callbackMap[callback] = (data) => {
                // Data has been received from the JSONP script. Firstly, delete this callback.
                delete this.callbackMap[callback];
                // Next, make sure the request wasn't cancelled in the meantime.
                if (cancelled) {
                    return;
                }
                // Set state to indicate data was received.
                body = data;
                finished = true;
            };
            // cleanup() is a utility closure that removes the <script> from the page and
            // the response callback from the window. This logic is used in both the
            // success, error, and cancellation paths, so it's extracted out for convenience.
            const cleanup = () => {
                // Remove the <script> tag if it's still on the page.
                if (node.parentNode) {
                    node.parentNode.removeChild(node);
                }
                // Remove the response callback from the callbackMap (window object in the
                // browser).
                delete this.callbackMap[callback];
            };
            // onLoad() is the success callback which runs after the response callback
            // if the JSONP script loads successfully. The event itself is unimportant.
            // If something went wrong, onLoad() may run without the response callback
            // having been invoked.
            const onLoad = (event) => {
                // Do nothing if the request has been cancelled.
                if (cancelled) {
                    return;
                }
                // We wrap it in an extra Promise, to ensure the microtask
                // is scheduled after the loaded endpoint has executed any potential microtask itself,
                // which is not guaranteed in Internet Explorer and EdgeHTML. See issue #39496
                this.resolvedPromise.then(() => {
                    // Cleanup the page.
                    cleanup();
                    // Check whether the response callback has run.
                    if (!finished) {
                        // It hasn't, something went wrong with the request. Return an error via
                        // the Observable error path. All JSONP errors have status 0.
                        observer.error(new HttpErrorResponse({
                            url,
                            status: 0,
                            statusText: 'JSONP Error',
                            error: new Error(JSONP_ERR_NO_CALLBACK),
                        }));
                        return;
                    }
                    // Success. body either contains the response body or null if none was
                    // returned.
                    observer.next(new HttpResponse({
                        body,
                        status: 200 /* Ok */,
                        statusText: 'OK',
                        url,
                    }));
                    // Complete the stream, the response is over.
                    observer.complete();
                });
            };
            // onError() is the error callback, which runs if the script returned generates
            // a Javascript error. It emits the error via the Observable error channel as
            // a HttpErrorResponse.
            const onError = (error) => {
                // If the request was already cancelled, no need to emit anything.
                if (cancelled) {
                    return;
                }
                cleanup();
                // Wrap the error in a HttpErrorResponse.
                observer.error(new HttpErrorResponse({
                    error,
                    status: 0,
                    statusText: 'JSONP Error',
                    url,
                }));
            };
            // Subscribe to both the success (load) and error events on the <script> tag,
            // and add it to the page.
            node.addEventListener('load', onLoad);
            node.addEventListener('error', onError);
            this.document.body.appendChild(node);
            // The request has now been successfully sent.
            observer.next({ type: HttpEventType.Sent });
            // Cancellation handler.
            return () => {
                // Track the cancellation so event listeners won't do anything even if already scheduled.
                cancelled = true;
                // Remove the event listeners so they won't run if the events later fire.
                node.removeEventListener('load', onLoad);
                node.removeEventListener('error', onError);
                // And finally, clean up the page.
                cleanup();
            };
        });
    }
}
JsonpClientBackend.ɵfac = function JsonpClientBackend_Factory(t) { return new (t || JsonpClientBackend)(_angular_core__WEBPACK_IMPORTED_MODULE_4__["ɵɵinject"](JsonpCallbackContext), _angular_core__WEBPACK_IMPORTED_MODULE_4__["ɵɵinject"](_angular_common__WEBPACK_IMPORTED_MODULE_6__.DOCUMENT)); };
JsonpClientBackend.ɵprov = /*@__PURE__*/ _angular_core__WEBPACK_IMPORTED_MODULE_4__["ɵɵdefineInjectable"]({ token: JsonpClientBackend, factory: JsonpClientBackend.ɵfac });
JsonpClientBackend.ctorParameters = () => [
    { type: JsonpCallbackContext },
    { type: undefined, decorators: [{ type: _angular_core__WEBPACK_IMPORTED_MODULE_4__.Inject, args: [_angular_common__WEBPACK_IMPORTED_MODULE_6__.DOCUMENT,] }] }
];
(function () { (typeof ngDevMode === "undefined" || ngDevMode) && _angular_core__WEBPACK_IMPORTED_MODULE_4__["ɵsetClassMetadata"](JsonpClientBackend, [{
        type: _angular_core__WEBPACK_IMPORTED_MODULE_4__.Injectable
    }], function () { return [{ type: JsonpCallbackContext }, { type: undefined, decorators: [{
                type: _angular_core__WEBPACK_IMPORTED_MODULE_4__.Inject,
                args: [_angular_common__WEBPACK_IMPORTED_MODULE_6__.DOCUMENT]
            }] }]; }, null); })();
/**
 * Identifies requests with the method JSONP and
 * shifts them to the `JsonpClientBackend`.
 *
 * @see `HttpInterceptor`
 *
 * @publicApi
 */
class JsonpInterceptor {
    constructor(jsonp) {
        this.jsonp = jsonp;
    }
    /**
     * Identifies and handles a given JSONP request.
     * @param req The outgoing request object to handle.
     * @param next The next interceptor in the chain, or the backend
     * if no interceptors remain in the chain.
     * @returns An observable of the event stream.
     */
    intercept(req, next) {
        if (req.method === 'JSONP') {
            return this.jsonp.handle(req);
        }
        // Fall through for normal HTTP requests.
        return next.handle(req);
    }
}
JsonpInterceptor.ɵfac = function JsonpInterceptor_Factory(t) { return new (t || JsonpInterceptor)(_angular_core__WEBPACK_IMPORTED_MODULE_4__["ɵɵinject"](JsonpClientBackend)); };
JsonpInterceptor.ɵprov = /*@__PURE__*/ _angular_core__WEBPACK_IMPORTED_MODULE_4__["ɵɵdefineInjectable"]({ token: JsonpInterceptor, factory: JsonpInterceptor.ɵfac });
JsonpInterceptor.ctorParameters = () => [
    { type: JsonpClientBackend }
];
(function () { (typeof ngDevMode === "undefined" || ngDevMode) && _angular_core__WEBPACK_IMPORTED_MODULE_4__["ɵsetClassMetadata"](JsonpInterceptor, [{
        type: _angular_core__WEBPACK_IMPORTED_MODULE_4__.Injectable
    }], function () { return [{ type: JsonpClientBackend }]; }, null); })();

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
const XSSI_PREFIX = /^\)\]\}',?\n/;
/**
 * Determine an appropriate URL for the response, by checking either
 * XMLHttpRequest.responseURL or the X-Request-URL header.
 */
function getResponseUrl(xhr) {
    if ('responseURL' in xhr && xhr.responseURL) {
        return xhr.responseURL;
    }
    if (/^X-Request-URL:/m.test(xhr.getAllResponseHeaders())) {
        return xhr.getResponseHeader('X-Request-URL');
    }
    return null;
}
/**
 * Uses `XMLHttpRequest` to send requests to a backend server.
 * @see `HttpHandler`
 * @see `JsonpClientBackend`
 *
 * @publicApi
 */
class HttpXhrBackend {
    constructor(xhrFactory) {
        this.xhrFactory = xhrFactory;
    }
    /**
     * Processes a request and returns a stream of response events.
     * @param req The request object.
     * @returns An observable of the response events.
     */
    handle(req) {
        // Quick check to give a better error message when a user attempts to use
        // HttpClient.jsonp() without installing the HttpClientJsonpModule
        if (req.method === 'JSONP') {
            throw new Error(`Attempted to construct Jsonp request without HttpClientJsonpModule installed.`);
        }
        // Everything happens on Observable subscription.
        return new rxjs__WEBPACK_IMPORTED_MODULE_5__.Observable((observer) => {
            // Start by setting up the XHR object with request method, URL, and withCredentials flag.
            const xhr = this.xhrFactory.build();
            xhr.open(req.method, req.urlWithParams);
            if (!!req.withCredentials) {
                xhr.withCredentials = true;
            }
            // Add all the requested headers.
            req.headers.forEach((name, values) => xhr.setRequestHeader(name, values.join(',')));
            // Add an Accept header if one isn't present already.
            if (!req.headers.has('Accept')) {
                xhr.setRequestHeader('Accept', 'application/json, text/plain, */*');
            }
            // Auto-detect the Content-Type header if one isn't present already.
            if (!req.headers.has('Content-Type')) {
                const detectedType = req.detectContentTypeHeader();
                // Sometimes Content-Type detection fails.
                if (detectedType !== null) {
                    xhr.setRequestHeader('Content-Type', detectedType);
                }
            }
            // Set the responseType if one was requested.
            if (req.responseType) {
                const responseType = req.responseType.toLowerCase();
                // JSON responses need to be processed as text. This is because if the server
                // returns an XSSI-prefixed JSON response, the browser will fail to parse it,
                // xhr.response will be null, and xhr.responseText cannot be accessed to
                // retrieve the prefixed JSON data in order to strip the prefix. Thus, all JSON
                // is parsed by first requesting text and then applying JSON.parse.
                xhr.responseType = ((responseType !== 'json') ? responseType : 'text');
            }
            // Serialize the request body if one is present. If not, this will be set to null.
            const reqBody = req.serializeBody();
            // If progress events are enabled, response headers will be delivered
            // in two events - the HttpHeaderResponse event and the full HttpResponse
            // event. However, since response headers don't change in between these
            // two events, it doesn't make sense to parse them twice. So headerResponse
            // caches the data extracted from the response whenever it's first parsed,
            // to ensure parsing isn't duplicated.
            let headerResponse = null;
            // partialFromXhr extracts the HttpHeaderResponse from the current XMLHttpRequest
            // state, and memoizes it into headerResponse.
            const partialFromXhr = () => {
                if (headerResponse !== null) {
                    return headerResponse;
                }
                // Read status and normalize an IE9 bug (https://bugs.jquery.com/ticket/1450).
                const status = xhr.status === 1223 ? 204 /* NoContent */ : xhr.status;
                const statusText = xhr.statusText || 'OK';
                // Parse headers from XMLHttpRequest - this step is lazy.
                const headers = new HttpHeaders(xhr.getAllResponseHeaders());
                // Read the response URL from the XMLHttpResponse instance and fall back on the
                // request URL.
                const url = getResponseUrl(xhr) || req.url;
                // Construct the HttpHeaderResponse and memoize it.
                headerResponse = new HttpHeaderResponse({ headers, status, statusText, url });
                return headerResponse;
            };
            // Next, a few closures are defined for the various events which XMLHttpRequest can
            // emit. This allows them to be unregistered as event listeners later.
            // First up is the load event, which represents a response being fully available.
            const onLoad = () => {
                // Read response state from the memoized partial data.
                let { headers, status, statusText, url } = partialFromXhr();
                // The body will be read out if present.
                let body = null;
                if (status !== 204 /* NoContent */) {
                    // Use XMLHttpRequest.response if set, responseText otherwise.
                    body = (typeof xhr.response === 'undefined') ? xhr.responseText : xhr.response;
                }
                // Normalize another potential bug (this one comes from CORS).
                if (status === 0) {
                    status = !!body ? 200 /* Ok */ : 0;
                }
                // ok determines whether the response will be transmitted on the event or
                // error channel. Unsuccessful status codes (not 2xx) will always be errors,
                // but a successful status code can still result in an error if the user
                // asked for JSON data and the body cannot be parsed as such.
                let ok = status >= 200 && status < 300;
                // Check whether the body needs to be parsed as JSON (in many cases the browser
                // will have done that already).
                if (req.responseType === 'json' && typeof body === 'string') {
                    // Save the original body, before attempting XSSI prefix stripping.
                    const originalBody = body;
                    body = body.replace(XSSI_PREFIX, '');
                    try {
                        // Attempt the parse. If it fails, a parse error should be delivered to the user.
                        body = body !== '' ? JSON.parse(body) : null;
                    }
                    catch (error) {
                        // Since the JSON.parse failed, it's reasonable to assume this might not have been a
                        // JSON response. Restore the original body (including any XSSI prefix) to deliver
                        // a better error response.
                        body = originalBody;
                        // If this was an error request to begin with, leave it as a string, it probably
                        // just isn't JSON. Otherwise, deliver the parsing error to the user.
                        if (ok) {
                            // Even though the response status was 2xx, this is still an error.
                            ok = false;
                            // The parse error contains the text of the body that failed to parse.
                            body = { error, text: body };
                        }
                    }
                }
                if (ok) {
                    // A successful response is delivered on the event stream.
                    observer.next(new HttpResponse({
                        body,
                        headers,
                        status,
                        statusText,
                        url: url || undefined,
                    }));
                    // The full body has been received and delivered, no further events
                    // are possible. This request is complete.
                    observer.complete();
                }
                else {
                    // An unsuccessful request is delivered on the error channel.
                    observer.error(new HttpErrorResponse({
                        // The error in this case is the response body (error from the server).
                        error: body,
                        headers,
                        status,
                        statusText,
                        url: url || undefined,
                    }));
                }
            };
            // The onError callback is called when something goes wrong at the network level.
            // Connection timeout, DNS error, offline, etc. These are actual errors, and are
            // transmitted on the error channel.
            const onError = (error) => {
                const { url } = partialFromXhr();
                const res = new HttpErrorResponse({
                    error,
                    status: xhr.status || 0,
                    statusText: xhr.statusText || 'Unknown Error',
                    url: url || undefined,
                });
                observer.error(res);
            };
            // The sentHeaders flag tracks whether the HttpResponseHeaders event
            // has been sent on the stream. This is necessary to track if progress
            // is enabled since the event will be sent on only the first download
            // progerss event.
            let sentHeaders = false;
            // The download progress event handler, which is only registered if
            // progress events are enabled.
            const onDownProgress = (event) => {
                // Send the HttpResponseHeaders event if it hasn't been sent already.
                if (!sentHeaders) {
                    observer.next(partialFromXhr());
                    sentHeaders = true;
                }
                // Start building the download progress event to deliver on the response
                // event stream.
                let progressEvent = {
                    type: HttpEventType.DownloadProgress,
                    loaded: event.loaded,
                };
                // Set the total number of bytes in the event if it's available.
                if (event.lengthComputable) {
                    progressEvent.total = event.total;
                }
                // If the request was for text content and a partial response is
                // available on XMLHttpRequest, include it in the progress event
                // to allow for streaming reads.
                if (req.responseType === 'text' && !!xhr.responseText) {
                    progressEvent.partialText = xhr.responseText;
                }
                // Finally, fire the event.
                observer.next(progressEvent);
            };
            // The upload progress event handler, which is only registered if
            // progress events are enabled.
            const onUpProgress = (event) => {
                // Upload progress events are simpler. Begin building the progress
                // event.
                let progress = {
                    type: HttpEventType.UploadProgress,
                    loaded: event.loaded,
                };
                // If the total number of bytes being uploaded is available, include
                // it.
                if (event.lengthComputable) {
                    progress.total = event.total;
                }
                // Send the event.
                observer.next(progress);
            };
            // By default, register for load and error events.
            xhr.addEventListener('load', onLoad);
            xhr.addEventListener('error', onError);
            xhr.addEventListener('timeout', onError);
            xhr.addEventListener('abort', onError);
            // Progress events are only enabled if requested.
            if (req.reportProgress) {
                // Download progress is always enabled if requested.
                xhr.addEventListener('progress', onDownProgress);
                // Upload progress depends on whether there is a body to upload.
                if (reqBody !== null && xhr.upload) {
                    xhr.upload.addEventListener('progress', onUpProgress);
                }
            }
            // Fire the request, and notify the event stream that it was fired.
            xhr.send(reqBody);
            observer.next({ type: HttpEventType.Sent });
            // This is the return from the Observable function, which is the
            // request cancellation handler.
            return () => {
                // On a cancellation, remove all registered event listeners.
                xhr.removeEventListener('error', onError);
                xhr.removeEventListener('abort', onError);
                xhr.removeEventListener('load', onLoad);
                xhr.removeEventListener('timeout', onError);
                if (req.reportProgress) {
                    xhr.removeEventListener('progress', onDownProgress);
                    if (reqBody !== null && xhr.upload) {
                        xhr.upload.removeEventListener('progress', onUpProgress);
                    }
                }
                // Finally, abort the in-flight request.
                if (xhr.readyState !== xhr.DONE) {
                    xhr.abort();
                }
            };
        });
    }
}
HttpXhrBackend.ɵfac = function HttpXhrBackend_Factory(t) { return new (t || HttpXhrBackend)(_angular_core__WEBPACK_IMPORTED_MODULE_4__["ɵɵinject"](_angular_common__WEBPACK_IMPORTED_MODULE_6__.XhrFactory)); };
HttpXhrBackend.ɵprov = /*@__PURE__*/ _angular_core__WEBPACK_IMPORTED_MODULE_4__["ɵɵdefineInjectable"]({ token: HttpXhrBackend, factory: HttpXhrBackend.ɵfac });
HttpXhrBackend.ctorParameters = () => [
    { type: _angular_common__WEBPACK_IMPORTED_MODULE_6__.XhrFactory }
];
(function () { (typeof ngDevMode === "undefined" || ngDevMode) && _angular_core__WEBPACK_IMPORTED_MODULE_4__["ɵsetClassMetadata"](HttpXhrBackend, [{
        type: _angular_core__WEBPACK_IMPORTED_MODULE_4__.Injectable
    }], function () { return [{ type: _angular_common__WEBPACK_IMPORTED_MODULE_6__.XhrFactory }]; }, null); })();

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
const XSRF_COOKIE_NAME = new _angular_core__WEBPACK_IMPORTED_MODULE_4__.InjectionToken('XSRF_COOKIE_NAME');
const XSRF_HEADER_NAME = new _angular_core__WEBPACK_IMPORTED_MODULE_4__.InjectionToken('XSRF_HEADER_NAME');
/**
 * Retrieves the current XSRF token to use with the next outgoing request.
 *
 * @publicApi
 */
class HttpXsrfTokenExtractor {
}
/**
 * `HttpXsrfTokenExtractor` which retrieves the token from a cookie.
 */
class HttpXsrfCookieExtractor {
    constructor(doc, platform, cookieName) {
        this.doc = doc;
        this.platform = platform;
        this.cookieName = cookieName;
        this.lastCookieString = '';
        this.lastToken = null;
        /**
         * @internal for testing
         */
        this.parseCount = 0;
    }
    getToken() {
        if (this.platform === 'server') {
            return null;
        }
        const cookieString = this.doc.cookie || '';
        if (cookieString !== this.lastCookieString) {
            this.parseCount++;
            this.lastToken = (0,_angular_common__WEBPACK_IMPORTED_MODULE_6__["ɵparseCookieValue"])(cookieString, this.cookieName);
            this.lastCookieString = cookieString;
        }
        return this.lastToken;
    }
}
HttpXsrfCookieExtractor.ɵfac = function HttpXsrfCookieExtractor_Factory(t) { return new (t || HttpXsrfCookieExtractor)(_angular_core__WEBPACK_IMPORTED_MODULE_4__["ɵɵinject"](_angular_common__WEBPACK_IMPORTED_MODULE_6__.DOCUMENT), _angular_core__WEBPACK_IMPORTED_MODULE_4__["ɵɵinject"](_angular_core__WEBPACK_IMPORTED_MODULE_4__.PLATFORM_ID), _angular_core__WEBPACK_IMPORTED_MODULE_4__["ɵɵinject"](XSRF_COOKIE_NAME)); };
HttpXsrfCookieExtractor.ɵprov = /*@__PURE__*/ _angular_core__WEBPACK_IMPORTED_MODULE_4__["ɵɵdefineInjectable"]({ token: HttpXsrfCookieExtractor, factory: HttpXsrfCookieExtractor.ɵfac });
HttpXsrfCookieExtractor.ctorParameters = () => [
    { type: undefined, decorators: [{ type: _angular_core__WEBPACK_IMPORTED_MODULE_4__.Inject, args: [_angular_common__WEBPACK_IMPORTED_MODULE_6__.DOCUMENT,] }] },
    { type: String, decorators: [{ type: _angular_core__WEBPACK_IMPORTED_MODULE_4__.Inject, args: [_angular_core__WEBPACK_IMPORTED_MODULE_4__.PLATFORM_ID,] }] },
    { type: String, decorators: [{ type: _angular_core__WEBPACK_IMPORTED_MODULE_4__.Inject, args: [XSRF_COOKIE_NAME,] }] }
];
(function () { (typeof ngDevMode === "undefined" || ngDevMode) && _angular_core__WEBPACK_IMPORTED_MODULE_4__["ɵsetClassMetadata"](HttpXsrfCookieExtractor, [{
        type: _angular_core__WEBPACK_IMPORTED_MODULE_4__.Injectable
    }], function () { return [{ type: undefined, decorators: [{
                type: _angular_core__WEBPACK_IMPORTED_MODULE_4__.Inject,
                args: [_angular_common__WEBPACK_IMPORTED_MODULE_6__.DOCUMENT]
            }] }, { type: String, decorators: [{
                type: _angular_core__WEBPACK_IMPORTED_MODULE_4__.Inject,
                args: [_angular_core__WEBPACK_IMPORTED_MODULE_4__.PLATFORM_ID]
            }] }, { type: String, decorators: [{
                type: _angular_core__WEBPACK_IMPORTED_MODULE_4__.Inject,
                args: [XSRF_COOKIE_NAME]
            }] }]; }, null); })();
/**
 * `HttpInterceptor` which adds an XSRF token to eligible outgoing requests.
 */
class HttpXsrfInterceptor {
    constructor(tokenService, headerName) {
        this.tokenService = tokenService;
        this.headerName = headerName;
    }
    intercept(req, next) {
        const lcUrl = req.url.toLowerCase();
        // Skip both non-mutating requests and absolute URLs.
        // Non-mutating requests don't require a token, and absolute URLs require special handling
        // anyway as the cookie set
        // on our origin is not the same as the token expected by another origin.
        if (req.method === 'GET' || req.method === 'HEAD' || lcUrl.startsWith('http://') ||
            lcUrl.startsWith('https://')) {
            return next.handle(req);
        }
        const token = this.tokenService.getToken();
        // Be careful not to overwrite an existing header of the same name.
        if (token !== null && !req.headers.has(this.headerName)) {
            req = req.clone({ headers: req.headers.set(this.headerName, token) });
        }
        return next.handle(req);
    }
}
HttpXsrfInterceptor.ɵfac = function HttpXsrfInterceptor_Factory(t) { return new (t || HttpXsrfInterceptor)(_angular_core__WEBPACK_IMPORTED_MODULE_4__["ɵɵinject"](HttpXsrfTokenExtractor), _angular_core__WEBPACK_IMPORTED_MODULE_4__["ɵɵinject"](XSRF_HEADER_NAME)); };
HttpXsrfInterceptor.ɵprov = /*@__PURE__*/ _angular_core__WEBPACK_IMPORTED_MODULE_4__["ɵɵdefineInjectable"]({ token: HttpXsrfInterceptor, factory: HttpXsrfInterceptor.ɵfac });
HttpXsrfInterceptor.ctorParameters = () => [
    { type: HttpXsrfTokenExtractor },
    { type: String, decorators: [{ type: _angular_core__WEBPACK_IMPORTED_MODULE_4__.Inject, args: [XSRF_HEADER_NAME,] }] }
];
(function () { (typeof ngDevMode === "undefined" || ngDevMode) && _angular_core__WEBPACK_IMPORTED_MODULE_4__["ɵsetClassMetadata"](HttpXsrfInterceptor, [{
        type: _angular_core__WEBPACK_IMPORTED_MODULE_4__.Injectable
    }], function () { return [{ type: HttpXsrfTokenExtractor }, { type: String, decorators: [{
                type: _angular_core__WEBPACK_IMPORTED_MODULE_4__.Inject,
                args: [XSRF_HEADER_NAME]
            }] }]; }, null); })();

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
/**
 * An injectable `HttpHandler` that applies multiple interceptors
 * to a request before passing it to the given `HttpBackend`.
 *
 * The interceptors are loaded lazily from the injector, to allow
 * interceptors to themselves inject classes depending indirectly
 * on `HttpInterceptingHandler` itself.
 * @see `HttpInterceptor`
 */
class HttpInterceptingHandler {
    constructor(backend, injector) {
        this.backend = backend;
        this.injector = injector;
        this.chain = null;
    }
    handle(req) {
        if (this.chain === null) {
            const interceptors = this.injector.get(HTTP_INTERCEPTORS, []);
            this.chain = interceptors.reduceRight((next, interceptor) => new HttpInterceptorHandler(next, interceptor), this.backend);
        }
        return this.chain.handle(req);
    }
}
HttpInterceptingHandler.ɵfac = function HttpInterceptingHandler_Factory(t) { return new (t || HttpInterceptingHandler)(_angular_core__WEBPACK_IMPORTED_MODULE_4__["ɵɵinject"](HttpBackend), _angular_core__WEBPACK_IMPORTED_MODULE_4__["ɵɵinject"](_angular_core__WEBPACK_IMPORTED_MODULE_4__.Injector)); };
HttpInterceptingHandler.ɵprov = /*@__PURE__*/ _angular_core__WEBPACK_IMPORTED_MODULE_4__["ɵɵdefineInjectable"]({ token: HttpInterceptingHandler, factory: HttpInterceptingHandler.ɵfac });
HttpInterceptingHandler.ctorParameters = () => [
    { type: HttpBackend },
    { type: _angular_core__WEBPACK_IMPORTED_MODULE_4__.Injector }
];
(function () { (typeof ngDevMode === "undefined" || ngDevMode) && _angular_core__WEBPACK_IMPORTED_MODULE_4__["ɵsetClassMetadata"](HttpInterceptingHandler, [{
        type: _angular_core__WEBPACK_IMPORTED_MODULE_4__.Injectable
    }], function () { return [{ type: HttpBackend }, { type: _angular_core__WEBPACK_IMPORTED_MODULE_4__.Injector }]; }, null); })();
/**
 * Constructs an `HttpHandler` that applies interceptors
 * to a request before passing it to the given `HttpBackend`.
 *
 * Use as a factory function within `HttpClientModule`.
 *
 *
 */
function interceptingHandler(backend, interceptors = []) {
    if (!interceptors) {
        return backend;
    }
    return interceptors.reduceRight((next, interceptor) => new HttpInterceptorHandler(next, interceptor), backend);
}
/**
 * Factory function that determines where to store JSONP callbacks.
 *
 * Ordinarily JSONP callbacks are stored on the `window` object, but this may not exist
 * in test environments. In that case, callbacks are stored on an anonymous object instead.
 *
 *
 */
function jsonpCallbackContext() {
    if (typeof window === 'object') {
        return window;
    }
    return {};
}
/**
 * Configures XSRF protection support for outgoing requests.
 *
 * For a server that supports a cookie-based XSRF protection system,
 * use directly to configure XSRF protection with the correct
 * cookie and header names.
 *
 * If no names are supplied, the default cookie name is `XSRF-TOKEN`
 * and the default header name is `X-XSRF-TOKEN`.
 *
 * @publicApi
 */
class HttpClientXsrfModule {
    /**
     * Disable the default XSRF protection.
     */
    static disable() {
        return {
            ngModule: HttpClientXsrfModule,
            providers: [
                { provide: HttpXsrfInterceptor, useClass: NoopInterceptor },
            ],
        };
    }
    /**
     * Configure XSRF protection.
     * @param options An object that can specify either or both
     * cookie name or header name.
     * - Cookie name default is `XSRF-TOKEN`.
     * - Header name default is `X-XSRF-TOKEN`.
     *
     */
    static withOptions(options = {}) {
        return {
            ngModule: HttpClientXsrfModule,
            providers: [
                options.cookieName ? { provide: XSRF_COOKIE_NAME, useValue: options.cookieName } : [],
                options.headerName ? { provide: XSRF_HEADER_NAME, useValue: options.headerName } : [],
            ],
        };
    }
}
HttpClientXsrfModule.ɵfac = function HttpClientXsrfModule_Factory(t) { return new (t || HttpClientXsrfModule)(); };
HttpClientXsrfModule.ɵmod = /*@__PURE__*/ _angular_core__WEBPACK_IMPORTED_MODULE_4__["ɵɵdefineNgModule"]({ type: HttpClientXsrfModule });
HttpClientXsrfModule.ɵinj = /*@__PURE__*/ _angular_core__WEBPACK_IMPORTED_MODULE_4__["ɵɵdefineInjector"]({ providers: [
        HttpXsrfInterceptor,
        { provide: HTTP_INTERCEPTORS, useExisting: HttpXsrfInterceptor, multi: true },
        { provide: HttpXsrfTokenExtractor, useClass: HttpXsrfCookieExtractor },
        { provide: XSRF_COOKIE_NAME, useValue: 'XSRF-TOKEN' },
        { provide: XSRF_HEADER_NAME, useValue: 'X-XSRF-TOKEN' },
    ] });
(function () { (typeof ngDevMode === "undefined" || ngDevMode) && _angular_core__WEBPACK_IMPORTED_MODULE_4__["ɵsetClassMetadata"](HttpClientXsrfModule, [{
        type: _angular_core__WEBPACK_IMPORTED_MODULE_4__.NgModule,
        args: [{
                providers: [
                    HttpXsrfInterceptor,
                    { provide: HTTP_INTERCEPTORS, useExisting: HttpXsrfInterceptor, multi: true },
                    { provide: HttpXsrfTokenExtractor, useClass: HttpXsrfCookieExtractor },
                    { provide: XSRF_COOKIE_NAME, useValue: 'XSRF-TOKEN' },
                    { provide: XSRF_HEADER_NAME, useValue: 'X-XSRF-TOKEN' },
                ]
            }]
    }], null, null); })();
/**
 * Configures the [dependency injector](guide/glossary#injector) for `HttpClient`
 * with supporting services for XSRF. Automatically imported by `HttpClientModule`.
 *
 * You can add interceptors to the chain behind `HttpClient` by binding them to the
 * multiprovider for built-in [DI token](guide/glossary#di-token) `HTTP_INTERCEPTORS`.
 *
 * @publicApi
 */
class HttpClientModule {
}
HttpClientModule.ɵfac = function HttpClientModule_Factory(t) { return new (t || HttpClientModule)(); };
HttpClientModule.ɵmod = /*@__PURE__*/ _angular_core__WEBPACK_IMPORTED_MODULE_4__["ɵɵdefineNgModule"]({ type: HttpClientModule });
HttpClientModule.ɵinj = /*@__PURE__*/ _angular_core__WEBPACK_IMPORTED_MODULE_4__["ɵɵdefineInjector"]({ providers: [
        HttpClient,
        { provide: HttpHandler, useClass: HttpInterceptingHandler },
        HttpXhrBackend,
        { provide: HttpBackend, useExisting: HttpXhrBackend },
    ], imports: [[
            HttpClientXsrfModule.withOptions({
                cookieName: 'XSRF-TOKEN',
                headerName: 'X-XSRF-TOKEN'
            }),
        ]] });
(function () { (typeof ngDevMode === "undefined" || ngDevMode) && _angular_core__WEBPACK_IMPORTED_MODULE_4__["ɵsetClassMetadata"](HttpClientModule, [{
        type: _angular_core__WEBPACK_IMPORTED_MODULE_4__.NgModule,
        args: [{
                /**
                 * Optional configuration for XSRF protection.
                 */
                imports: [
                    HttpClientXsrfModule.withOptions({
                        cookieName: 'XSRF-TOKEN',
                        headerName: 'X-XSRF-TOKEN'
                    }),
                ],
                /**
                 * Configures the [dependency injector](guide/glossary#injector) where it is imported
                 * with supporting services for HTTP communications.
                 */
                providers: [
                    HttpClient,
                    { provide: HttpHandler, useClass: HttpInterceptingHandler },
                    HttpXhrBackend,
                    { provide: HttpBackend, useExisting: HttpXhrBackend },
                ]
            }]
    }], null, null); })();
(function () { (typeof ngJitMode === "undefined" || ngJitMode) && _angular_core__WEBPACK_IMPORTED_MODULE_4__["ɵɵsetNgModuleScope"](HttpClientModule, { imports: [HttpClientXsrfModule] }); })();
/**
 * Configures the [dependency injector](guide/glossary#injector) for `HttpClient`
 * with supporting services for JSONP.
 * Without this module, Jsonp requests reach the backend
 * with method JSONP, where they are rejected.
 *
 * You can add interceptors to the chain behind `HttpClient` by binding them to the
 * multiprovider for built-in [DI token](guide/glossary#di-token) `HTTP_INTERCEPTORS`.
 *
 * @publicApi
 */
class HttpClientJsonpModule {
}
HttpClientJsonpModule.ɵfac = function HttpClientJsonpModule_Factory(t) { return new (t || HttpClientJsonpModule)(); };
HttpClientJsonpModule.ɵmod = /*@__PURE__*/ _angular_core__WEBPACK_IMPORTED_MODULE_4__["ɵɵdefineNgModule"]({ type: HttpClientJsonpModule });
HttpClientJsonpModule.ɵinj = /*@__PURE__*/ _angular_core__WEBPACK_IMPORTED_MODULE_4__["ɵɵdefineInjector"]({ providers: [
        JsonpClientBackend,
        { provide: JsonpCallbackContext, useFactory: jsonpCallbackContext },
        { provide: HTTP_INTERCEPTORS, useClass: JsonpInterceptor, multi: true },
    ] });
(function () { (typeof ngDevMode === "undefined" || ngDevMode) && _angular_core__WEBPACK_IMPORTED_MODULE_4__["ɵsetClassMetadata"](HttpClientJsonpModule, [{
        type: _angular_core__WEBPACK_IMPORTED_MODULE_4__.NgModule,
        args: [{
                providers: [
                    JsonpClientBackend,
                    { provide: JsonpCallbackContext, useFactory: jsonpCallbackContext },
                    { provide: HTTP_INTERCEPTORS, useClass: JsonpInterceptor, multi: true },
                ]
            }]
    }], null, null); })();

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
/**
 * A wrapper around the `XMLHttpRequest` constructor.
 *
 * @publicApi
 * @see `XhrFactory`
 * @deprecated
 * `XhrFactory` has moved, please import `XhrFactory` from `@angular/common` instead.
 */
const XhrFactory = _angular_common__WEBPACK_IMPORTED_MODULE_6__.XhrFactory;

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */

/**
 * Generated bundle index. Do not edit.
 */



//# sourceMappingURL=http.js.map

/***/ }),

/***/ 9101:
/*!*************************************************************!*\
  !*** ./node_modules/@angular/compiler/fesm2015/compiler.js ***!
  \*************************************************************/
/***/ ((__unused_webpack_module, __webpack_exports__, __webpack_require__) => {

"use strict";
__webpack_require__.r(__webpack_exports__);
/* harmony export */ __webpack_require__.d(__webpack_exports__, {
/* harmony export */   "AST": () => (/* binding */ AST),
/* harmony export */   "ASTWithName": () => (/* binding */ ASTWithName),
/* harmony export */   "ASTWithSource": () => (/* binding */ ASTWithSource),
/* harmony export */   "AbsoluteSourceSpan": () => (/* binding */ AbsoluteSourceSpan),
/* harmony export */   "AotCompiler": () => (/* binding */ AotCompiler),
/* harmony export */   "AotSummaryResolver": () => (/* binding */ AotSummaryResolver),
/* harmony export */   "ArrayType": () => (/* binding */ ArrayType),
/* harmony export */   "AssertNotNull": () => (/* binding */ AssertNotNull),
/* harmony export */   "AstMemoryEfficientTransformer": () => (/* binding */ AstMemoryEfficientTransformer),
/* harmony export */   "AstPath": () => (/* binding */ AstPath),
/* harmony export */   "AstTransformer": () => (/* binding */ AstTransformer$1),
/* harmony export */   "AttrAst": () => (/* binding */ AttrAst),
/* harmony export */   "Attribute": () => (/* binding */ Attribute),
/* harmony export */   "Binary": () => (/* binding */ Binary),
/* harmony export */   "BinaryOperator": () => (/* binding */ BinaryOperator),
/* harmony export */   "BinaryOperatorExpr": () => (/* binding */ BinaryOperatorExpr),
/* harmony export */   "BindingPipe": () => (/* binding */ BindingPipe),
/* harmony export */   "BoundDirectivePropertyAst": () => (/* binding */ BoundDirectivePropertyAst),
/* harmony export */   "BoundElementProperty": () => (/* binding */ BoundElementProperty),
/* harmony export */   "BoundElementPropertyAst": () => (/* binding */ BoundElementPropertyAst),
/* harmony export */   "BoundEventAst": () => (/* binding */ BoundEventAst),
/* harmony export */   "BoundTextAst": () => (/* binding */ BoundTextAst),
/* harmony export */   "BuiltinMethod": () => (/* binding */ BuiltinMethod),
/* harmony export */   "BuiltinType": () => (/* binding */ BuiltinType),
/* harmony export */   "BuiltinTypeName": () => (/* binding */ BuiltinTypeName),
/* harmony export */   "BuiltinVar": () => (/* binding */ BuiltinVar),
/* harmony export */   "CONTENT_ATTR": () => (/* binding */ CONTENT_ATTR),
/* harmony export */   "CUSTOM_ELEMENTS_SCHEMA": () => (/* binding */ CUSTOM_ELEMENTS_SCHEMA),
/* harmony export */   "CastExpr": () => (/* binding */ CastExpr),
/* harmony export */   "Chain": () => (/* binding */ Chain),
/* harmony export */   "ClassField": () => (/* binding */ ClassField),
/* harmony export */   "ClassMethod": () => (/* binding */ ClassMethod),
/* harmony export */   "ClassStmt": () => (/* binding */ ClassStmt),
/* harmony export */   "CommaExpr": () => (/* binding */ CommaExpr),
/* harmony export */   "Comment": () => (/* binding */ Comment$1),
/* harmony export */   "CompileDirectiveMetadata": () => (/* binding */ CompileDirectiveMetadata),
/* harmony export */   "CompileMetadataResolver": () => (/* binding */ CompileMetadataResolver),
/* harmony export */   "CompileNgModuleMetadata": () => (/* binding */ CompileNgModuleMetadata),
/* harmony export */   "CompilePipeMetadata": () => (/* binding */ CompilePipeMetadata),
/* harmony export */   "CompileReflector": () => (/* binding */ CompileReflector),
/* harmony export */   "CompileShallowModuleMetadata": () => (/* binding */ CompileShallowModuleMetadata),
/* harmony export */   "CompileStylesheetMetadata": () => (/* binding */ CompileStylesheetMetadata),
/* harmony export */   "CompileSummaryKind": () => (/* binding */ CompileSummaryKind),
/* harmony export */   "CompileTemplateMetadata": () => (/* binding */ CompileTemplateMetadata),
/* harmony export */   "CompiledStylesheet": () => (/* binding */ CompiledStylesheet),
/* harmony export */   "CompilerConfig": () => (/* binding */ CompilerConfig),
/* harmony export */   "Conditional": () => (/* binding */ Conditional),
/* harmony export */   "ConditionalExpr": () => (/* binding */ ConditionalExpr),
/* harmony export */   "ConstantPool": () => (/* binding */ ConstantPool),
/* harmony export */   "CssSelector": () => (/* binding */ CssSelector),
/* harmony export */   "DEFAULT_INTERPOLATION_CONFIG": () => (/* binding */ DEFAULT_INTERPOLATION_CONFIG),
/* harmony export */   "DYNAMIC_TYPE": () => (/* binding */ DYNAMIC_TYPE),
/* harmony export */   "DeclareFunctionStmt": () => (/* binding */ DeclareFunctionStmt),
/* harmony export */   "DeclareVarStmt": () => (/* binding */ DeclareVarStmt),
/* harmony export */   "DirectiveAst": () => (/* binding */ DirectiveAst),
/* harmony export */   "DirectiveNormalizer": () => (/* binding */ DirectiveNormalizer),
/* harmony export */   "DirectiveResolver": () => (/* binding */ DirectiveResolver),
/* harmony export */   "DomElementSchemaRegistry": () => (/* binding */ DomElementSchemaRegistry),
/* harmony export */   "EOF": () => (/* binding */ EOF),
/* harmony export */   "ERROR_COMPONENT_TYPE": () => (/* binding */ ERROR_COMPONENT_TYPE),
/* harmony export */   "Element": () => (/* binding */ Element$1),
/* harmony export */   "ElementAst": () => (/* binding */ ElementAst),
/* harmony export */   "ElementSchemaRegistry": () => (/* binding */ ElementSchemaRegistry),
/* harmony export */   "EmbeddedTemplateAst": () => (/* binding */ EmbeddedTemplateAst),
/* harmony export */   "EmitterVisitorContext": () => (/* binding */ EmitterVisitorContext),
/* harmony export */   "EmptyExpr": () => (/* binding */ EmptyExpr),
/* harmony export */   "Expansion": () => (/* binding */ Expansion),
/* harmony export */   "ExpansionCase": () => (/* binding */ ExpansionCase),
/* harmony export */   "Expression": () => (/* binding */ Expression),
/* harmony export */   "ExpressionBinding": () => (/* binding */ ExpressionBinding),
/* harmony export */   "ExpressionStatement": () => (/* binding */ ExpressionStatement),
/* harmony export */   "ExpressionType": () => (/* binding */ ExpressionType),
/* harmony export */   "ExternalExpr": () => (/* binding */ ExternalExpr),
/* harmony export */   "ExternalReference": () => (/* binding */ ExternalReference),
/* harmony export */   "Extractor": () => (/* binding */ Extractor),
/* harmony export */   "FactoryTarget": () => (/* binding */ FactoryTarget),
/* harmony export */   "FunctionCall": () => (/* binding */ FunctionCall),
/* harmony export */   "FunctionExpr": () => (/* binding */ FunctionExpr),
/* harmony export */   "GeneratedFile": () => (/* binding */ GeneratedFile),
/* harmony export */   "HOST_ATTR": () => (/* binding */ HOST_ATTR),
/* harmony export */   "HtmlParser": () => (/* binding */ HtmlParser),
/* harmony export */   "HtmlTagDefinition": () => (/* binding */ HtmlTagDefinition),
/* harmony export */   "I18NHtmlParser": () => (/* binding */ I18NHtmlParser),
/* harmony export */   "Identifiers": () => (/* binding */ Identifiers$1),
/* harmony export */   "IfStmt": () => (/* binding */ IfStmt),
/* harmony export */   "ImplicitReceiver": () => (/* binding */ ImplicitReceiver),
/* harmony export */   "InstantiateExpr": () => (/* binding */ InstantiateExpr),
/* harmony export */   "Interpolation": () => (/* binding */ Interpolation),
/* harmony export */   "InterpolationConfig": () => (/* binding */ InterpolationConfig),
/* harmony export */   "InvokeFunctionExpr": () => (/* binding */ InvokeFunctionExpr),
/* harmony export */   "InvokeMethodExpr": () => (/* binding */ InvokeMethodExpr),
/* harmony export */   "IvyParser": () => (/* binding */ IvyParser),
/* harmony export */   "JSDocComment": () => (/* binding */ JSDocComment),
/* harmony export */   "JitCompiler": () => (/* binding */ JitCompiler),
/* harmony export */   "JitEvaluator": () => (/* binding */ JitEvaluator),
/* harmony export */   "JitSummaryResolver": () => (/* binding */ JitSummaryResolver),
/* harmony export */   "KeyedRead": () => (/* binding */ KeyedRead),
/* harmony export */   "KeyedWrite": () => (/* binding */ KeyedWrite),
/* harmony export */   "LeadingComment": () => (/* binding */ LeadingComment),
/* harmony export */   "Lexer": () => (/* binding */ Lexer),
/* harmony export */   "LiteralArray": () => (/* binding */ LiteralArray),
/* harmony export */   "LiteralArrayExpr": () => (/* binding */ LiteralArrayExpr),
/* harmony export */   "LiteralExpr": () => (/* binding */ LiteralExpr),
/* harmony export */   "LiteralMap": () => (/* binding */ LiteralMap),
/* harmony export */   "LiteralMapExpr": () => (/* binding */ LiteralMapExpr),
/* harmony export */   "LiteralPrimitive": () => (/* binding */ LiteralPrimitive),
/* harmony export */   "LocalizedString": () => (/* binding */ LocalizedString),
/* harmony export */   "MapType": () => (/* binding */ MapType),
/* harmony export */   "MessageBundle": () => (/* binding */ MessageBundle),
/* harmony export */   "MethodCall": () => (/* binding */ MethodCall),
/* harmony export */   "NONE_TYPE": () => (/* binding */ NONE_TYPE),
/* harmony export */   "NO_ERRORS_SCHEMA": () => (/* binding */ NO_ERRORS_SCHEMA),
/* harmony export */   "NgContentAst": () => (/* binding */ NgContentAst),
/* harmony export */   "NgModuleCompiler": () => (/* binding */ NgModuleCompiler),
/* harmony export */   "NgModuleResolver": () => (/* binding */ NgModuleResolver),
/* harmony export */   "NodeWithI18n": () => (/* binding */ NodeWithI18n),
/* harmony export */   "NonNullAssert": () => (/* binding */ NonNullAssert),
/* harmony export */   "NotExpr": () => (/* binding */ NotExpr),
/* harmony export */   "NullTemplateVisitor": () => (/* binding */ NullTemplateVisitor),
/* harmony export */   "ParseError": () => (/* binding */ ParseError),
/* harmony export */   "ParseErrorLevel": () => (/* binding */ ParseErrorLevel),
/* harmony export */   "ParseLocation": () => (/* binding */ ParseLocation),
/* harmony export */   "ParseSourceFile": () => (/* binding */ ParseSourceFile),
/* harmony export */   "ParseSourceSpan": () => (/* binding */ ParseSourceSpan),
/* harmony export */   "ParseSpan": () => (/* binding */ ParseSpan),
/* harmony export */   "ParseTreeResult": () => (/* binding */ ParseTreeResult),
/* harmony export */   "ParsedEvent": () => (/* binding */ ParsedEvent),
/* harmony export */   "ParsedProperty": () => (/* binding */ ParsedProperty),
/* harmony export */   "ParsedPropertyType": () => (/* binding */ ParsedPropertyType),
/* harmony export */   "ParsedVariable": () => (/* binding */ ParsedVariable),
/* harmony export */   "Parser": () => (/* binding */ Parser$1),
/* harmony export */   "ParserError": () => (/* binding */ ParserError),
/* harmony export */   "PipeResolver": () => (/* binding */ PipeResolver),
/* harmony export */   "PrefixNot": () => (/* binding */ PrefixNot),
/* harmony export */   "PropertyRead": () => (/* binding */ PropertyRead),
/* harmony export */   "PropertyWrite": () => (/* binding */ PropertyWrite),
/* harmony export */   "ProviderAst": () => (/* binding */ ProviderAst),
/* harmony export */   "ProviderAstType": () => (/* binding */ ProviderAstType),
/* harmony export */   "ProviderMeta": () => (/* binding */ ProviderMeta),
/* harmony export */   "Quote": () => (/* binding */ Quote),
/* harmony export */   "R3BoundTarget": () => (/* binding */ R3BoundTarget),
/* harmony export */   "R3Identifiers": () => (/* binding */ Identifiers),
/* harmony export */   "R3TargetBinder": () => (/* binding */ R3TargetBinder),
/* harmony export */   "ReadKeyExpr": () => (/* binding */ ReadKeyExpr),
/* harmony export */   "ReadPropExpr": () => (/* binding */ ReadPropExpr),
/* harmony export */   "ReadVarExpr": () => (/* binding */ ReadVarExpr),
/* harmony export */   "RecursiveAstVisitor": () => (/* binding */ RecursiveAstVisitor$1),
/* harmony export */   "RecursiveTemplateAstVisitor": () => (/* binding */ RecursiveTemplateAstVisitor),
/* harmony export */   "RecursiveVisitor": () => (/* binding */ RecursiveVisitor$1),
/* harmony export */   "ReferenceAst": () => (/* binding */ ReferenceAst),
/* harmony export */   "ResolvedStaticSymbol": () => (/* binding */ ResolvedStaticSymbol),
/* harmony export */   "ResourceLoader": () => (/* binding */ ResourceLoader),
/* harmony export */   "ReturnStatement": () => (/* binding */ ReturnStatement),
/* harmony export */   "STRING_TYPE": () => (/* binding */ STRING_TYPE),
/* harmony export */   "SafeKeyedRead": () => (/* binding */ SafeKeyedRead),
/* harmony export */   "SafeMethodCall": () => (/* binding */ SafeMethodCall),
/* harmony export */   "SafePropertyRead": () => (/* binding */ SafePropertyRead),
/* harmony export */   "SelectorContext": () => (/* binding */ SelectorContext),
/* harmony export */   "SelectorListContext": () => (/* binding */ SelectorListContext),
/* harmony export */   "SelectorMatcher": () => (/* binding */ SelectorMatcher),
/* harmony export */   "Serializer": () => (/* binding */ Serializer),
/* harmony export */   "SplitInterpolation": () => (/* binding */ SplitInterpolation),
/* harmony export */   "Statement": () => (/* binding */ Statement),
/* harmony export */   "StaticReflector": () => (/* binding */ StaticReflector),
/* harmony export */   "StaticSymbol": () => (/* binding */ StaticSymbol),
/* harmony export */   "StaticSymbolCache": () => (/* binding */ StaticSymbolCache),
/* harmony export */   "StaticSymbolResolver": () => (/* binding */ StaticSymbolResolver),
/* harmony export */   "StmtModifier": () => (/* binding */ StmtModifier),
/* harmony export */   "StyleCompiler": () => (/* binding */ StyleCompiler),
/* harmony export */   "StylesCompileDependency": () => (/* binding */ StylesCompileDependency),
/* harmony export */   "SummaryResolver": () => (/* binding */ SummaryResolver),
/* harmony export */   "TagContentType": () => (/* binding */ TagContentType),
/* harmony export */   "TaggedTemplateExpr": () => (/* binding */ TaggedTemplateExpr),
/* harmony export */   "TemplateBindingParseResult": () => (/* binding */ TemplateBindingParseResult),
/* harmony export */   "TemplateLiteral": () => (/* binding */ TemplateLiteral),
/* harmony export */   "TemplateLiteralElement": () => (/* binding */ TemplateLiteralElement),
/* harmony export */   "TemplateParseError": () => (/* binding */ TemplateParseError),
/* harmony export */   "TemplateParseResult": () => (/* binding */ TemplateParseResult),
/* harmony export */   "TemplateParser": () => (/* binding */ TemplateParser),
/* harmony export */   "Text": () => (/* binding */ Text$3),
/* harmony export */   "TextAst": () => (/* binding */ TextAst),
/* harmony export */   "ThisReceiver": () => (/* binding */ ThisReceiver),
/* harmony export */   "ThrowStmt": () => (/* binding */ ThrowStmt),
/* harmony export */   "TmplAstBoundAttribute": () => (/* binding */ BoundAttribute),
/* harmony export */   "TmplAstBoundEvent": () => (/* binding */ BoundEvent),
/* harmony export */   "TmplAstBoundText": () => (/* binding */ BoundText),
/* harmony export */   "TmplAstContent": () => (/* binding */ Content),
/* harmony export */   "TmplAstElement": () => (/* binding */ Element),
/* harmony export */   "TmplAstIcu": () => (/* binding */ Icu),
/* harmony export */   "TmplAstRecursiveVisitor": () => (/* binding */ RecursiveVisitor),
/* harmony export */   "TmplAstReference": () => (/* binding */ Reference),
/* harmony export */   "TmplAstTemplate": () => (/* binding */ Template),
/* harmony export */   "TmplAstText": () => (/* binding */ Text),
/* harmony export */   "TmplAstTextAttribute": () => (/* binding */ TextAttribute),
/* harmony export */   "TmplAstVariable": () => (/* binding */ Variable),
/* harmony export */   "Token": () => (/* binding */ Token$1),
/* harmony export */   "TokenType": () => (/* binding */ TokenType$1),
/* harmony export */   "TransitiveCompileNgModuleMetadata": () => (/* binding */ TransitiveCompileNgModuleMetadata),
/* harmony export */   "TreeError": () => (/* binding */ TreeError),
/* harmony export */   "TryCatchStmt": () => (/* binding */ TryCatchStmt),
/* harmony export */   "Type": () => (/* binding */ Type$1),
/* harmony export */   "TypeScriptEmitter": () => (/* binding */ TypeScriptEmitter),
/* harmony export */   "TypeofExpr": () => (/* binding */ TypeofExpr),
/* harmony export */   "Unary": () => (/* binding */ Unary),
/* harmony export */   "UnaryOperator": () => (/* binding */ UnaryOperator),
/* harmony export */   "UnaryOperatorExpr": () => (/* binding */ UnaryOperatorExpr),
/* harmony export */   "UrlResolver": () => (/* binding */ UrlResolver),
/* harmony export */   "VERSION": () => (/* binding */ VERSION$1),
/* harmony export */   "VariableAst": () => (/* binding */ VariableAst),
/* harmony export */   "VariableBinding": () => (/* binding */ VariableBinding),
/* harmony export */   "Version": () => (/* binding */ Version),
/* harmony export */   "ViewCompiler": () => (/* binding */ ViewCompiler),
/* harmony export */   "WrappedNodeExpr": () => (/* binding */ WrappedNodeExpr),
/* harmony export */   "WriteKeyExpr": () => (/* binding */ WriteKeyExpr),
/* harmony export */   "WritePropExpr": () => (/* binding */ WritePropExpr),
/* harmony export */   "WriteVarExpr": () => (/* binding */ WriteVarExpr),
/* harmony export */   "Xliff": () => (/* binding */ Xliff),
/* harmony export */   "Xliff2": () => (/* binding */ Xliff2),
/* harmony export */   "Xmb": () => (/* binding */ Xmb),
/* harmony export */   "XmlParser": () => (/* binding */ XmlParser),
/* harmony export */   "Xtb": () => (/* binding */ Xtb),
/* harmony export */   "_ParseAST": () => (/* binding */ _ParseAST),
/* harmony export */   "analyzeAndValidateNgModules": () => (/* binding */ analyzeAndValidateNgModules),
/* harmony export */   "analyzeFile": () => (/* binding */ analyzeFile),
/* harmony export */   "analyzeFileForInjectables": () => (/* binding */ analyzeFileForInjectables),
/* harmony export */   "analyzeNgModules": () => (/* binding */ analyzeNgModules),
/* harmony export */   "collectExternalReferences": () => (/* binding */ collectExternalReferences),
/* harmony export */   "compileClassMetadata": () => (/* binding */ compileClassMetadata),
/* harmony export */   "compileComponentFromMetadata": () => (/* binding */ compileComponentFromMetadata),
/* harmony export */   "compileDeclareClassMetadata": () => (/* binding */ compileDeclareClassMetadata),
/* harmony export */   "compileDeclareComponentFromMetadata": () => (/* binding */ compileDeclareComponentFromMetadata),
/* harmony export */   "compileDeclareDirectiveFromMetadata": () => (/* binding */ compileDeclareDirectiveFromMetadata),
/* harmony export */   "compileDeclareFactoryFunction": () => (/* binding */ compileDeclareFactoryFunction),
/* harmony export */   "compileDeclareInjectableFromMetadata": () => (/* binding */ compileDeclareInjectableFromMetadata),
/* harmony export */   "compileDeclareInjectorFromMetadata": () => (/* binding */ compileDeclareInjectorFromMetadata),
/* harmony export */   "compileDeclareNgModuleFromMetadata": () => (/* binding */ compileDeclareNgModuleFromMetadata),
/* harmony export */   "compileDeclarePipeFromMetadata": () => (/* binding */ compileDeclarePipeFromMetadata),
/* harmony export */   "compileDirectiveFromMetadata": () => (/* binding */ compileDirectiveFromMetadata),
/* harmony export */   "compileFactoryFunction": () => (/* binding */ compileFactoryFunction),
/* harmony export */   "compileInjectable": () => (/* binding */ compileInjectable),
/* harmony export */   "compileInjector": () => (/* binding */ compileInjector),
/* harmony export */   "compileNgModule": () => (/* binding */ compileNgModule),
/* harmony export */   "compilePipeFromMetadata": () => (/* binding */ compilePipeFromMetadata),
/* harmony export */   "componentFactoryName": () => (/* binding */ componentFactoryName),
/* harmony export */   "computeMsgId": () => (/* binding */ computeMsgId),
/* harmony export */   "core": () => (/* binding */ core),
/* harmony export */   "createAotCompiler": () => (/* binding */ createAotCompiler),
/* harmony export */   "createAotUrlResolver": () => (/* binding */ createAotUrlResolver),
/* harmony export */   "createElementCssSelector": () => (/* binding */ createElementCssSelector),
/* harmony export */   "createInjectableType": () => (/* binding */ createInjectableType),
/* harmony export */   "createLoweredSymbol": () => (/* binding */ createLoweredSymbol),
/* harmony export */   "createOfflineCompileUrlResolver": () => (/* binding */ createOfflineCompileUrlResolver),
/* harmony export */   "createR3ProviderExpression": () => (/* binding */ createR3ProviderExpression),
/* harmony export */   "createUrlResolverWithoutPackagePrefix": () => (/* binding */ createUrlResolverWithoutPackagePrefix),
/* harmony export */   "debugOutputAstAsTypeScript": () => (/* binding */ debugOutputAstAsTypeScript),
/* harmony export */   "devOnlyGuardedExpression": () => (/* binding */ devOnlyGuardedExpression),
/* harmony export */   "findNode": () => (/* binding */ findNode),
/* harmony export */   "flatten": () => (/* binding */ flatten),
/* harmony export */   "formattedError": () => (/* binding */ formattedError),
/* harmony export */   "getHtmlTagDefinition": () => (/* binding */ getHtmlTagDefinition),
/* harmony export */   "getMissingNgModuleMetadataErrorData": () => (/* binding */ getMissingNgModuleMetadataErrorData),
/* harmony export */   "getNsPrefix": () => (/* binding */ getNsPrefix),
/* harmony export */   "getParseErrors": () => (/* binding */ getParseErrors),
/* harmony export */   "getSafePropertyAccessString": () => (/* binding */ getSafePropertyAccessString),
/* harmony export */   "getUrlScheme": () => (/* binding */ getUrlScheme),
/* harmony export */   "hostViewClassName": () => (/* binding */ hostViewClassName),
/* harmony export */   "identifierModuleUrl": () => (/* binding */ identifierModuleUrl),
/* harmony export */   "identifierName": () => (/* binding */ identifierName),
/* harmony export */   "isEmptyExpression": () => (/* binding */ isEmptyExpression),
/* harmony export */   "isFormattedError": () => (/* binding */ isFormattedError),
/* harmony export */   "isIdentifier": () => (/* binding */ isIdentifier),
/* harmony export */   "isLoweredSymbol": () => (/* binding */ isLoweredSymbol),
/* harmony export */   "isNgContainer": () => (/* binding */ isNgContainer),
/* harmony export */   "isNgContent": () => (/* binding */ isNgContent),
/* harmony export */   "isNgTemplate": () => (/* binding */ isNgTemplate),
/* harmony export */   "isQuote": () => (/* binding */ isQuote),
/* harmony export */   "isSyntaxError": () => (/* binding */ isSyntaxError),
/* harmony export */   "jsDocComment": () => (/* binding */ jsDocComment),
/* harmony export */   "leadingComment": () => (/* binding */ leadingComment),
/* harmony export */   "literalMap": () => (/* binding */ literalMap),
/* harmony export */   "makeBindingParser": () => (/* binding */ makeBindingParser),
/* harmony export */   "mergeAnalyzedFiles": () => (/* binding */ mergeAnalyzedFiles),
/* harmony export */   "mergeNsAndName": () => (/* binding */ mergeNsAndName),
/* harmony export */   "ngModuleJitUrl": () => (/* binding */ ngModuleJitUrl),
/* harmony export */   "parseHostBindings": () => (/* binding */ parseHostBindings),
/* harmony export */   "parseTemplate": () => (/* binding */ parseTemplate),
/* harmony export */   "preserveWhitespacesDefault": () => (/* binding */ preserveWhitespacesDefault),
/* harmony export */   "publishFacade": () => (/* binding */ publishFacade),
/* harmony export */   "r3JitTypeSourceSpan": () => (/* binding */ r3JitTypeSourceSpan),
/* harmony export */   "removeSummaryDuplicates": () => (/* binding */ removeSummaryDuplicates),
/* harmony export */   "rendererTypeName": () => (/* binding */ rendererTypeName),
/* harmony export */   "sanitizeIdentifier": () => (/* binding */ sanitizeIdentifier),
/* harmony export */   "sharedStylesheetJitUrl": () => (/* binding */ sharedStylesheetJitUrl),
/* harmony export */   "splitClasses": () => (/* binding */ splitClasses),
/* harmony export */   "splitNsName": () => (/* binding */ splitNsName),
/* harmony export */   "syntaxError": () => (/* binding */ syntaxError),
/* harmony export */   "templateJitUrl": () => (/* binding */ templateJitUrl),
/* harmony export */   "templateSourceUrl": () => (/* binding */ templateSourceUrl),
/* harmony export */   "templateVisitAll": () => (/* binding */ templateVisitAll),
/* harmony export */   "toTypeScript": () => (/* binding */ toTypeScript),
/* harmony export */   "tokenName": () => (/* binding */ tokenName),
/* harmony export */   "tokenReference": () => (/* binding */ tokenReference),
/* harmony export */   "typeSourceSpan": () => (/* binding */ typeSourceSpan),
/* harmony export */   "unescapeIdentifier": () => (/* binding */ unescapeIdentifier),
/* harmony export */   "unwrapResolvedMetadata": () => (/* binding */ unwrapResolvedMetadata),
/* harmony export */   "verifyHostBindings": () => (/* binding */ verifyHostBindings),
/* harmony export */   "viewClassName": () => (/* binding */ viewClassName),
/* harmony export */   "visitAll": () => (/* binding */ visitAll$1)
/* harmony export */ });
/**
 * @license Angular v12.1.5
 * (c) 2010-2021 Google LLC. https://angular.io/
 * License: MIT
 */

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
var TagContentType;
(function (TagContentType) {
    TagContentType[TagContentType["RAW_TEXT"] = 0] = "RAW_TEXT";
    TagContentType[TagContentType["ESCAPABLE_RAW_TEXT"] = 1] = "ESCAPABLE_RAW_TEXT";
    TagContentType[TagContentType["PARSABLE_DATA"] = 2] = "PARSABLE_DATA";
})(TagContentType || (TagContentType = {}));
function splitNsName(elementName) {
    if (elementName[0] != ':') {
        return [null, elementName];
    }
    const colonIndex = elementName.indexOf(':', 1);
    if (colonIndex == -1) {
        throw new Error(`Unsupported format "${elementName}" expecting ":namespace:name"`);
    }
    return [elementName.slice(1, colonIndex), elementName.slice(colonIndex + 1)];
}
// `<ng-container>` tags work the same regardless the namespace
function isNgContainer(tagName) {
    return splitNsName(tagName)[1] === 'ng-container';
}
// `<ng-content>` tags work the same regardless the namespace
function isNgContent(tagName) {
    return splitNsName(tagName)[1] === 'ng-content';
}
// `<ng-template>` tags work the same regardless the namespace
function isNgTemplate(tagName) {
    return splitNsName(tagName)[1] === 'ng-template';
}
function getNsPrefix(fullName) {
    return fullName === null ? null : splitNsName(fullName)[0];
}
function mergeNsAndName(prefix, localName) {
    return prefix ? `:${prefix}:${localName}` : localName;
}

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
class HtmlTagDefinition {
    constructor({ closedByChildren, implicitNamespacePrefix, contentType = TagContentType.PARSABLE_DATA, closedByParent = false, isVoid = false, ignoreFirstLf = false, preventNamespaceInheritance = false } = {}) {
        this.closedByChildren = {};
        this.closedByParent = false;
        this.canSelfClose = false;
        if (closedByChildren && closedByChildren.length > 0) {
            closedByChildren.forEach(tagName => this.closedByChildren[tagName] = true);
        }
        this.isVoid = isVoid;
        this.closedByParent = closedByParent || isVoid;
        this.implicitNamespacePrefix = implicitNamespacePrefix || null;
        this.contentType = contentType;
        this.ignoreFirstLf = ignoreFirstLf;
        this.preventNamespaceInheritance = preventNamespaceInheritance;
    }
    isClosedByChild(name) {
        return this.isVoid || name.toLowerCase() in this.closedByChildren;
    }
    getContentType(prefix) {
        if (typeof this.contentType === 'object') {
            const overrideType = prefix == null ? undefined : this.contentType[prefix];
            return overrideType !== null && overrideType !== void 0 ? overrideType : this.contentType.default;
        }
        return this.contentType;
    }
}
let _DEFAULT_TAG_DEFINITION;
// see https://www.w3.org/TR/html51/syntax.html#optional-tags
// This implementation does not fully conform to the HTML5 spec.
let TAG_DEFINITIONS;
function getHtmlTagDefinition(tagName) {
    var _a, _b;
    if (!TAG_DEFINITIONS) {
        _DEFAULT_TAG_DEFINITION = new HtmlTagDefinition();
        TAG_DEFINITIONS = {
            'base': new HtmlTagDefinition({ isVoid: true }),
            'meta': new HtmlTagDefinition({ isVoid: true }),
            'area': new HtmlTagDefinition({ isVoid: true }),
            'embed': new HtmlTagDefinition({ isVoid: true }),
            'link': new HtmlTagDefinition({ isVoid: true }),
            'img': new HtmlTagDefinition({ isVoid: true }),
            'input': new HtmlTagDefinition({ isVoid: true }),
            'param': new HtmlTagDefinition({ isVoid: true }),
            'hr': new HtmlTagDefinition({ isVoid: true }),
            'br': new HtmlTagDefinition({ isVoid: true }),
            'source': new HtmlTagDefinition({ isVoid: true }),
            'track': new HtmlTagDefinition({ isVoid: true }),
            'wbr': new HtmlTagDefinition({ isVoid: true }),
            'p': new HtmlTagDefinition({
                closedByChildren: [
                    'address', 'article', 'aside', 'blockquote', 'div', 'dl', 'fieldset',
                    'footer', 'form', 'h1', 'h2', 'h3', 'h4', 'h5',
                    'h6', 'header', 'hgroup', 'hr', 'main', 'nav', 'ol',
                    'p', 'pre', 'section', 'table', 'ul'
                ],
                closedByParent: true
            }),
            'thead': new HtmlTagDefinition({ closedByChildren: ['tbody', 'tfoot'] }),
            'tbody': new HtmlTagDefinition({ closedByChildren: ['tbody', 'tfoot'], closedByParent: true }),
            'tfoot': new HtmlTagDefinition({ closedByChildren: ['tbody'], closedByParent: true }),
            'tr': new HtmlTagDefinition({ closedByChildren: ['tr'], closedByParent: true }),
            'td': new HtmlTagDefinition({ closedByChildren: ['td', 'th'], closedByParent: true }),
            'th': new HtmlTagDefinition({ closedByChildren: ['td', 'th'], closedByParent: true }),
            'col': new HtmlTagDefinition({ isVoid: true }),
            'svg': new HtmlTagDefinition({ implicitNamespacePrefix: 'svg' }),
            'foreignObject': new HtmlTagDefinition({
                // Usually the implicit namespace here would be redundant since it will be inherited from
                // the parent `svg`, but we have to do it for `foreignObject`, because the way the parser
                // works is that the parent node of an end tag is its own start tag which means that
                // the `preventNamespaceInheritance` on `foreignObject` would have it default to the
                // implicit namespace which is `html`, unless specified otherwise.
                implicitNamespacePrefix: 'svg',
                // We want to prevent children of foreignObject from inheriting its namespace, because
                // the point of the element is to allow nodes from other namespaces to be inserted.
                preventNamespaceInheritance: true,
            }),
            'math': new HtmlTagDefinition({ implicitNamespacePrefix: 'math' }),
            'li': new HtmlTagDefinition({ closedByChildren: ['li'], closedByParent: true }),
            'dt': new HtmlTagDefinition({ closedByChildren: ['dt', 'dd'] }),
            'dd': new HtmlTagDefinition({ closedByChildren: ['dt', 'dd'], closedByParent: true }),
            'rb': new HtmlTagDefinition({ closedByChildren: ['rb', 'rt', 'rtc', 'rp'], closedByParent: true }),
            'rt': new HtmlTagDefinition({ closedByChildren: ['rb', 'rt', 'rtc', 'rp'], closedByParent: true }),
            'rtc': new HtmlTagDefinition({ closedByChildren: ['rb', 'rtc', 'rp'], closedByParent: true }),
            'rp': new HtmlTagDefinition({ closedByChildren: ['rb', 'rt', 'rtc', 'rp'], closedByParent: true }),
            'optgroup': new HtmlTagDefinition({ closedByChildren: ['optgroup'], closedByParent: true }),
            'option': new HtmlTagDefinition({ closedByChildren: ['option', 'optgroup'], closedByParent: true }),
            'pre': new HtmlTagDefinition({ ignoreFirstLf: true }),
            'listing': new HtmlTagDefinition({ ignoreFirstLf: true }),
            'style': new HtmlTagDefinition({ contentType: TagContentType.RAW_TEXT }),
            'script': new HtmlTagDefinition({ contentType: TagContentType.RAW_TEXT }),
            'title': new HtmlTagDefinition({
                // The browser supports two separate `title` tags which have to use
                // a different content type: `HTMLTitleElement` and `SVGTitleElement`
                contentType: { default: TagContentType.ESCAPABLE_RAW_TEXT, svg: TagContentType.PARSABLE_DATA }
            }),
            'textarea': new HtmlTagDefinition({ contentType: TagContentType.ESCAPABLE_RAW_TEXT, ignoreFirstLf: true }),
        };
    }
    // We have to make both a case-sensitive and a case-insesitive lookup, because
    // HTML tag names are case insensitive, whereas some SVG tags are case sensitive.
    return (_b = (_a = TAG_DEFINITIONS[tagName]) !== null && _a !== void 0 ? _a : TAG_DEFINITIONS[tagName.toLowerCase()]) !== null && _b !== void 0 ? _b : _DEFAULT_TAG_DEFINITION;
}

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
const _SELECTOR_REGEXP = new RegExp('(\\:not\\()|' + // 1: ":not("
    '(([\\.\\#]?)[-\\w]+)|' + // 2: "tag"; 3: "."/"#";
    // "-" should appear first in the regexp below as FF31 parses "[.-\w]" as a range
    // 4: attribute; 5: attribute_string; 6: attribute_value
    '(?:\\[([-.\\w*\\\\$]+)(?:=([\"\']?)([^\\]\"\']*)\\5)?\\])|' + // "[name]", "[name=value]",
    // "[name="value"]",
    // "[name='value']"
    '(\\))|' + // 7: ")"
    '(\\s*,\\s*)', // 8: ","
'g');
/**
 * A css selector contains an element name,
 * css classes and attribute/value pairs with the purpose
 * of selecting subsets out of them.
 */
class CssSelector {
    constructor() {
        this.element = null;
        this.classNames = [];
        /**
         * The selectors are encoded in pairs where:
         * - even locations are attribute names
         * - odd locations are attribute values.
         *
         * Example:
         * Selector: `[key1=value1][key2]` would parse to:
         * ```
         * ['key1', 'value1', 'key2', '']
         * ```
         */
        this.attrs = [];
        this.notSelectors = [];
    }
    static parse(selector) {
        const results = [];
        const _addResult = (res, cssSel) => {
            if (cssSel.notSelectors.length > 0 && !cssSel.element && cssSel.classNames.length == 0 &&
                cssSel.attrs.length == 0) {
                cssSel.element = '*';
            }
            res.push(cssSel);
        };
        let cssSelector = new CssSelector();
        let match;
        let current = cssSelector;
        let inNot = false;
        _SELECTOR_REGEXP.lastIndex = 0;
        while (match = _SELECTOR_REGEXP.exec(selector)) {
            if (match[1 /* NOT */]) {
                if (inNot) {
                    throw new Error('Nesting :not in a selector is not allowed');
                }
                inNot = true;
                current = new CssSelector();
                cssSelector.notSelectors.push(current);
            }
            const tag = match[2 /* TAG */];
            if (tag) {
                const prefix = match[3 /* PREFIX */];
                if (prefix === '#') {
                    // #hash
                    current.addAttribute('id', tag.substr(1));
                }
                else if (prefix === '.') {
                    // Class
                    current.addClassName(tag.substr(1));
                }
                else {
                    // Element
                    current.setElement(tag);
                }
            }
            const attribute = match[4 /* ATTRIBUTE */];
            if (attribute) {
                current.addAttribute(current.unescapeAttribute(attribute), match[6 /* ATTRIBUTE_VALUE */]);
            }
            if (match[7 /* NOT_END */]) {
                inNot = false;
                current = cssSelector;
            }
            if (match[8 /* SEPARATOR */]) {
                if (inNot) {
                    throw new Error('Multiple selectors in :not are not supported');
                }
                _addResult(results, cssSelector);
                cssSelector = current = new CssSelector();
            }
        }
        _addResult(results, cssSelector);
        return results;
    }
    /**
     * Unescape `\$` sequences from the CSS attribute selector.
     *
     * This is needed because `$` can have a special meaning in CSS selectors,
     * but we might want to match an attribute that contains `$`.
     * [MDN web link for more
     * info](https://developer.mozilla.org/en-US/docs/Web/CSS/Attribute_selectors).
     * @param attr the attribute to unescape.
     * @returns the unescaped string.
     */
    unescapeAttribute(attr) {
        let result = '';
        let escaping = false;
        for (let i = 0; i < attr.length; i++) {
            const char = attr.charAt(i);
            if (char === '\\') {
                escaping = true;
                continue;
            }
            if (char === '$' && !escaping) {
                throw new Error(`Error in attribute selector "${attr}". ` +
                    `Unescaped "$" is not supported. Please escape with "\\$".`);
            }
            escaping = false;
            result += char;
        }
        return result;
    }
    /**
     * Escape `$` sequences from the CSS attribute selector.
     *
     * This is needed because `$` can have a special meaning in CSS selectors,
     * with this method we are escaping `$` with `\$'.
     * [MDN web link for more
     * info](https://developer.mozilla.org/en-US/docs/Web/CSS/Attribute_selectors).
     * @param attr the attribute to escape.
     * @returns the escaped string.
     */
    escapeAttribute(attr) {
        return attr.replace(/\\/g, '\\\\').replace(/\$/g, '\\$');
    }
    isElementSelector() {
        return this.hasElementSelector() && this.classNames.length == 0 && this.attrs.length == 0 &&
            this.notSelectors.length === 0;
    }
    hasElementSelector() {
        return !!this.element;
    }
    setElement(element = null) {
        this.element = element;
    }
    /** Gets a template string for an element that matches the selector. */
    getMatchingElementTemplate() {
        const tagName = this.element || 'div';
        const classAttr = this.classNames.length > 0 ? ` class="${this.classNames.join(' ')}"` : '';
        let attrs = '';
        for (let i = 0; i < this.attrs.length; i += 2) {
            const attrName = this.attrs[i];
            const attrValue = this.attrs[i + 1] !== '' ? `="${this.attrs[i + 1]}"` : '';
            attrs += ` ${attrName}${attrValue}`;
        }
        return getHtmlTagDefinition(tagName).isVoid ? `<${tagName}${classAttr}${attrs}/>` :
            `<${tagName}${classAttr}${attrs}></${tagName}>`;
    }
    getAttrs() {
        const result = [];
        if (this.classNames.length > 0) {
            result.push('class', this.classNames.join(' '));
        }
        return result.concat(this.attrs);
    }
    addAttribute(name, value = '') {
        this.attrs.push(name, value && value.toLowerCase() || '');
    }
    addClassName(name) {
        this.classNames.push(name.toLowerCase());
    }
    toString() {
        let res = this.element || '';
        if (this.classNames) {
            this.classNames.forEach(klass => res += `.${klass}`);
        }
        if (this.attrs) {
            for (let i = 0; i < this.attrs.length; i += 2) {
                const name = this.escapeAttribute(this.attrs[i]);
                const value = this.attrs[i + 1];
                res += `[${name}${value ? '=' + value : ''}]`;
            }
        }
        this.notSelectors.forEach(notSelector => res += `:not(${notSelector})`);
        return res;
    }
}
/**
 * Reads a list of CssSelectors and allows to calculate which ones
 * are contained in a given CssSelector.
 */
class SelectorMatcher {
    constructor() {
        this._elementMap = new Map();
        this._elementPartialMap = new Map();
        this._classMap = new Map();
        this._classPartialMap = new Map();
        this._attrValueMap = new Map();
        this._attrValuePartialMap = new Map();
        this._listContexts = [];
    }
    static createNotMatcher(notSelectors) {
        const notMatcher = new SelectorMatcher();
        notMatcher.addSelectables(notSelectors, null);
        return notMatcher;
    }
    addSelectables(cssSelectors, callbackCtxt) {
        let listContext = null;
        if (cssSelectors.length > 1) {
            listContext = new SelectorListContext(cssSelectors);
            this._listContexts.push(listContext);
        }
        for (let i = 0; i < cssSelectors.length; i++) {
            this._addSelectable(cssSelectors[i], callbackCtxt, listContext);
        }
    }
    /**
     * Add an object that can be found later on by calling `match`.
     * @param cssSelector A css selector
     * @param callbackCtxt An opaque object that will be given to the callback of the `match` function
     */
    _addSelectable(cssSelector, callbackCtxt, listContext) {
        let matcher = this;
        const element = cssSelector.element;
        const classNames = cssSelector.classNames;
        const attrs = cssSelector.attrs;
        const selectable = new SelectorContext(cssSelector, callbackCtxt, listContext);
        if (element) {
            const isTerminal = attrs.length === 0 && classNames.length === 0;
            if (isTerminal) {
                this._addTerminal(matcher._elementMap, element, selectable);
            }
            else {
                matcher = this._addPartial(matcher._elementPartialMap, element);
            }
        }
        if (classNames) {
            for (let i = 0; i < classNames.length; i++) {
                const isTerminal = attrs.length === 0 && i === classNames.length - 1;
                const className = classNames[i];
                if (isTerminal) {
                    this._addTerminal(matcher._classMap, className, selectable);
                }
                else {
                    matcher = this._addPartial(matcher._classPartialMap, className);
                }
            }
        }
        if (attrs) {
            for (let i = 0; i < attrs.length; i += 2) {
                const isTerminal = i === attrs.length - 2;
                const name = attrs[i];
                const value = attrs[i + 1];
                if (isTerminal) {
                    const terminalMap = matcher._attrValueMap;
                    let terminalValuesMap = terminalMap.get(name);
                    if (!terminalValuesMap) {
                        terminalValuesMap = new Map();
                        terminalMap.set(name, terminalValuesMap);
                    }
                    this._addTerminal(terminalValuesMap, value, selectable);
                }
                else {
                    const partialMap = matcher._attrValuePartialMap;
                    let partialValuesMap = partialMap.get(name);
                    if (!partialValuesMap) {
                        partialValuesMap = new Map();
                        partialMap.set(name, partialValuesMap);
                    }
                    matcher = this._addPartial(partialValuesMap, value);
                }
            }
        }
    }
    _addTerminal(map, name, selectable) {
        let terminalList = map.get(name);
        if (!terminalList) {
            terminalList = [];
            map.set(name, terminalList);
        }
        terminalList.push(selectable);
    }
    _addPartial(map, name) {
        let matcher = map.get(name);
        if (!matcher) {
            matcher = new SelectorMatcher();
            map.set(name, matcher);
        }
        return matcher;
    }
    /**
     * Find the objects that have been added via `addSelectable`
     * whose css selector is contained in the given css selector.
     * @param cssSelector A css selector
     * @param matchedCallback This callback will be called with the object handed into `addSelectable`
     * @return boolean true if a match was found
     */
    match(cssSelector, matchedCallback) {
        let result = false;
        const element = cssSelector.element;
        const classNames = cssSelector.classNames;
        const attrs = cssSelector.attrs;
        for (let i = 0; i < this._listContexts.length; i++) {
            this._listContexts[i].alreadyMatched = false;
        }
        result = this._matchTerminal(this._elementMap, element, cssSelector, matchedCallback) || result;
        result = this._matchPartial(this._elementPartialMap, element, cssSelector, matchedCallback) ||
            result;
        if (classNames) {
            for (let i = 0; i < classNames.length; i++) {
                const className = classNames[i];
                result =
                    this._matchTerminal(this._classMap, className, cssSelector, matchedCallback) || result;
                result =
                    this._matchPartial(this._classPartialMap, className, cssSelector, matchedCallback) ||
                        result;
            }
        }
        if (attrs) {
            for (let i = 0; i < attrs.length; i += 2) {
                const name = attrs[i];
                const value = attrs[i + 1];
                const terminalValuesMap = this._attrValueMap.get(name);
                if (value) {
                    result =
                        this._matchTerminal(terminalValuesMap, '', cssSelector, matchedCallback) || result;
                }
                result =
                    this._matchTerminal(terminalValuesMap, value, cssSelector, matchedCallback) || result;
                const partialValuesMap = this._attrValuePartialMap.get(name);
                if (value) {
                    result = this._matchPartial(partialValuesMap, '', cssSelector, matchedCallback) || result;
                }
                result =
                    this._matchPartial(partialValuesMap, value, cssSelector, matchedCallback) || result;
            }
        }
        return result;
    }
    /** @internal */
    _matchTerminal(map, name, cssSelector, matchedCallback) {
        if (!map || typeof name !== 'string') {
            return false;
        }
        let selectables = map.get(name) || [];
        const starSelectables = map.get('*');
        if (starSelectables) {
            selectables = selectables.concat(starSelectables);
        }
        if (selectables.length === 0) {
            return false;
        }
        let selectable;
        let result = false;
        for (let i = 0; i < selectables.length; i++) {
            selectable = selectables[i];
            result = selectable.finalize(cssSelector, matchedCallback) || result;
        }
        return result;
    }
    /** @internal */
    _matchPartial(map, name, cssSelector, matchedCallback) {
        if (!map || typeof name !== 'string') {
            return false;
        }
        const nestedSelector = map.get(name);
        if (!nestedSelector) {
            return false;
        }
        // TODO(perf): get rid of recursion and measure again
        // TODO(perf): don't pass the whole selector into the recursion,
        // but only the not processed parts
        return nestedSelector.match(cssSelector, matchedCallback);
    }
}
class SelectorListContext {
    constructor(selectors) {
        this.selectors = selectors;
        this.alreadyMatched = false;
    }
}
// Store context to pass back selector and context when a selector is matched
class SelectorContext {
    constructor(selector, cbContext, listContext) {
        this.selector = selector;
        this.cbContext = cbContext;
        this.listContext = listContext;
        this.notSelectors = selector.notSelectors;
    }
    finalize(cssSelector, callback) {
        let result = true;
        if (this.notSelectors.length > 0 && (!this.listContext || !this.listContext.alreadyMatched)) {
            const notMatcher = SelectorMatcher.createNotMatcher(this.notSelectors);
            result = !notMatcher.match(cssSelector, null);
        }
        if (result && callback && (!this.listContext || !this.listContext.alreadyMatched)) {
            if (this.listContext) {
                this.listContext.alreadyMatched = true;
            }
            callback(this.selector, this.cbContext);
        }
        return result;
    }
}

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
const createInject = makeMetadataFactory('Inject', (token) => ({ token }));
const createInjectionToken = makeMetadataFactory('InjectionToken', (desc) => ({ _desc: desc, ɵprov: undefined }));
const createAttribute = makeMetadataFactory('Attribute', (attributeName) => ({ attributeName }));
// Stores the default value of `emitDistinctChangesOnly` when the `emitDistinctChangesOnly` is not
// explicitly set.
const emitDistinctChangesOnlyDefaultValue = true;
const createContentChildren = makeMetadataFactory('ContentChildren', (selector, data = {}) => (Object.assign({ selector, first: false, isViewQuery: false, descendants: false, emitDistinctChangesOnly: emitDistinctChangesOnlyDefaultValue }, data)));
const createContentChild = makeMetadataFactory('ContentChild', (selector, data = {}) => (Object.assign({ selector, first: true, isViewQuery: false, descendants: true }, data)));
const createViewChildren = makeMetadataFactory('ViewChildren', (selector, data = {}) => (Object.assign({ selector, first: false, isViewQuery: true, descendants: true, emitDistinctChangesOnly: emitDistinctChangesOnlyDefaultValue }, data)));
const createViewChild = makeMetadataFactory('ViewChild', (selector, data) => (Object.assign({ selector, first: true, isViewQuery: true, descendants: true }, data)));
const createDirective = makeMetadataFactory('Directive', (dir = {}) => dir);
var ViewEncapsulation;
(function (ViewEncapsulation) {
    ViewEncapsulation[ViewEncapsulation["Emulated"] = 0] = "Emulated";
    // Historically the 1 value was for `Native` encapsulation which has been removed as of v11.
    ViewEncapsulation[ViewEncapsulation["None"] = 2] = "None";
    ViewEncapsulation[ViewEncapsulation["ShadowDom"] = 3] = "ShadowDom";
})(ViewEncapsulation || (ViewEncapsulation = {}));
var ChangeDetectionStrategy;
(function (ChangeDetectionStrategy) {
    ChangeDetectionStrategy[ChangeDetectionStrategy["OnPush"] = 0] = "OnPush";
    ChangeDetectionStrategy[ChangeDetectionStrategy["Default"] = 1] = "Default";
})(ChangeDetectionStrategy || (ChangeDetectionStrategy = {}));
const createComponent = makeMetadataFactory('Component', (c = {}) => (Object.assign({ changeDetection: ChangeDetectionStrategy.Default }, c)));
const createPipe = makeMetadataFactory('Pipe', (p) => (Object.assign({ pure: true }, p)));
const createInput = makeMetadataFactory('Input', (bindingPropertyName) => ({ bindingPropertyName }));
const createOutput = makeMetadataFactory('Output', (bindingPropertyName) => ({ bindingPropertyName }));
const createHostBinding = makeMetadataFactory('HostBinding', (hostPropertyName) => ({ hostPropertyName }));
const createHostListener = makeMetadataFactory('HostListener', (eventName, args) => ({ eventName, args }));
const createNgModule = makeMetadataFactory('NgModule', (ngModule) => ngModule);
const createInjectable = makeMetadataFactory('Injectable', (injectable = {}) => injectable);
const CUSTOM_ELEMENTS_SCHEMA = {
    name: 'custom-elements'
};
const NO_ERRORS_SCHEMA = {
    name: 'no-errors-schema'
};
const createOptional = makeMetadataFactory('Optional');
const createSelf = makeMetadataFactory('Self');
const createSkipSelf = makeMetadataFactory('SkipSelf');
const createHost = makeMetadataFactory('Host');
const Type = Function;
var SecurityContext;
(function (SecurityContext) {
    SecurityContext[SecurityContext["NONE"] = 0] = "NONE";
    SecurityContext[SecurityContext["HTML"] = 1] = "HTML";
    SecurityContext[SecurityContext["STYLE"] = 2] = "STYLE";
    SecurityContext[SecurityContext["SCRIPT"] = 3] = "SCRIPT";
    SecurityContext[SecurityContext["URL"] = 4] = "URL";
    SecurityContext[SecurityContext["RESOURCE_URL"] = 5] = "RESOURCE_URL";
})(SecurityContext || (SecurityContext = {}));
var MissingTranslationStrategy;
(function (MissingTranslationStrategy) {
    MissingTranslationStrategy[MissingTranslationStrategy["Error"] = 0] = "Error";
    MissingTranslationStrategy[MissingTranslationStrategy["Warning"] = 1] = "Warning";
    MissingTranslationStrategy[MissingTranslationStrategy["Ignore"] = 2] = "Ignore";
})(MissingTranslationStrategy || (MissingTranslationStrategy = {}));
function makeMetadataFactory(name, props) {
    // This must be declared as a function, not a fat arrow, so that ES2015 devmode produces code
    // that works with the static_reflector.ts in the ViewEngine compiler.
    // In particular, `_registerDecoratorOrConstructor` assumes that the value returned here can be
    // new'ed.
    function factory(...args) {
        const values = props ? props(...args) : {};
        return Object.assign({ ngMetadataName: name }, values);
    }
    factory.isTypeOf = (obj) => obj && obj.ngMetadataName === name;
    factory.ngMetadataName = name;
    return factory;
}
function parserSelectorToSimpleSelector(selector) {
    const classes = selector.classNames && selector.classNames.length ?
        [8 /* CLASS */, ...selector.classNames] :
        [];
    const elementName = selector.element && selector.element !== '*' ? selector.element : '';
    return [elementName, ...selector.attrs, ...classes];
}
function parserSelectorToNegativeSelector(selector) {
    const classes = selector.classNames && selector.classNames.length ?
        [8 /* CLASS */, ...selector.classNames] :
        [];
    if (selector.element) {
        return [
            1 /* NOT */ | 4 /* ELEMENT */, selector.element, ...selector.attrs, ...classes
        ];
    }
    else if (selector.attrs.length) {
        return [1 /* NOT */ | 2 /* ATTRIBUTE */, ...selector.attrs, ...classes];
    }
    else {
        return selector.classNames && selector.classNames.length ?
            [1 /* NOT */ | 8 /* CLASS */, ...selector.classNames] :
            [];
    }
}
function parserSelectorToR3Selector(selector) {
    const positive = parserSelectorToSimpleSelector(selector);
    const negative = selector.notSelectors && selector.notSelectors.length ?
        selector.notSelectors.map(notSelector => parserSelectorToNegativeSelector(notSelector)) :
        [];
    return positive.concat(...negative);
}
function parseSelectorToR3Selector(selector) {
    return selector ? CssSelector.parse(selector).map(parserSelectorToR3Selector) : [];
}

var core = /*#__PURE__*/Object.freeze({
    __proto__: null,
    createInject: createInject,
    createInjectionToken: createInjectionToken,
    createAttribute: createAttribute,
    emitDistinctChangesOnlyDefaultValue: emitDistinctChangesOnlyDefaultValue,
    createContentChildren: createContentChildren,
    createContentChild: createContentChild,
    createViewChildren: createViewChildren,
    createViewChild: createViewChild,
    createDirective: createDirective,
    get ViewEncapsulation () { return ViewEncapsulation; },
    get ChangeDetectionStrategy () { return ChangeDetectionStrategy; },
    createComponent: createComponent,
    createPipe: createPipe,
    createInput: createInput,
    createOutput: createOutput,
    createHostBinding: createHostBinding,
    createHostListener: createHostListener,
    createNgModule: createNgModule,
    createInjectable: createInjectable,
    CUSTOM_ELEMENTS_SCHEMA: CUSTOM_ELEMENTS_SCHEMA,
    NO_ERRORS_SCHEMA: NO_ERRORS_SCHEMA,
    createOptional: createOptional,
    createSelf: createSelf,
    createSkipSelf: createSkipSelf,
    createHost: createHost,
    Type: Type,
    get SecurityContext () { return SecurityContext; },
    get MissingTranslationStrategy () { return MissingTranslationStrategy; },
    parseSelectorToR3Selector: parseSelectorToR3Selector
});

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
//// Types
var TypeModifier;
(function (TypeModifier) {
    TypeModifier[TypeModifier["Const"] = 0] = "Const";
})(TypeModifier || (TypeModifier = {}));
class Type$1 {
    constructor(modifiers = []) {
        this.modifiers = modifiers;
    }
    hasModifier(modifier) {
        return this.modifiers.indexOf(modifier) !== -1;
    }
}
var BuiltinTypeName;
(function (BuiltinTypeName) {
    BuiltinTypeName[BuiltinTypeName["Dynamic"] = 0] = "Dynamic";
    BuiltinTypeName[BuiltinTypeName["Bool"] = 1] = "Bool";
    BuiltinTypeName[BuiltinTypeName["String"] = 2] = "String";
    BuiltinTypeName[BuiltinTypeName["Int"] = 3] = "Int";
    BuiltinTypeName[BuiltinTypeName["Number"] = 4] = "Number";
    BuiltinTypeName[BuiltinTypeName["Function"] = 5] = "Function";
    BuiltinTypeName[BuiltinTypeName["Inferred"] = 6] = "Inferred";
    BuiltinTypeName[BuiltinTypeName["None"] = 7] = "None";
})(BuiltinTypeName || (BuiltinTypeName = {}));
class BuiltinType extends Type$1 {
    constructor(name, modifiers) {
        super(modifiers);
        this.name = name;
    }
    visitType(visitor, context) {
        return visitor.visitBuiltinType(this, context);
    }
}
class ExpressionType extends Type$1 {
    constructor(value, modifiers, typeParams = null) {
        super(modifiers);
        this.value = value;
        this.typeParams = typeParams;
    }
    visitType(visitor, context) {
        return visitor.visitExpressionType(this, context);
    }
}
class ArrayType extends Type$1 {
    constructor(of, modifiers) {
        super(modifiers);
        this.of = of;
    }
    visitType(visitor, context) {
        return visitor.visitArrayType(this, context);
    }
}
class MapType extends Type$1 {
    constructor(valueType, modifiers) {
        super(modifiers);
        this.valueType = valueType || null;
    }
    visitType(visitor, context) {
        return visitor.visitMapType(this, context);
    }
}
const DYNAMIC_TYPE = new BuiltinType(BuiltinTypeName.Dynamic);
const INFERRED_TYPE = new BuiltinType(BuiltinTypeName.Inferred);
const BOOL_TYPE = new BuiltinType(BuiltinTypeName.Bool);
const INT_TYPE = new BuiltinType(BuiltinTypeName.Int);
const NUMBER_TYPE = new BuiltinType(BuiltinTypeName.Number);
const STRING_TYPE = new BuiltinType(BuiltinTypeName.String);
const FUNCTION_TYPE = new BuiltinType(BuiltinTypeName.Function);
const NONE_TYPE = new BuiltinType(BuiltinTypeName.None);
///// Expressions
var UnaryOperator;
(function (UnaryOperator) {
    UnaryOperator[UnaryOperator["Minus"] = 0] = "Minus";
    UnaryOperator[UnaryOperator["Plus"] = 1] = "Plus";
})(UnaryOperator || (UnaryOperator = {}));
var BinaryOperator;
(function (BinaryOperator) {
    BinaryOperator[BinaryOperator["Equals"] = 0] = "Equals";
    BinaryOperator[BinaryOperator["NotEquals"] = 1] = "NotEquals";
    BinaryOperator[BinaryOperator["Identical"] = 2] = "Identical";
    BinaryOperator[BinaryOperator["NotIdentical"] = 3] = "NotIdentical";
    BinaryOperator[BinaryOperator["Minus"] = 4] = "Minus";
    BinaryOperator[BinaryOperator["Plus"] = 5] = "Plus";
    BinaryOperator[BinaryOperator["Divide"] = 6] = "Divide";
    BinaryOperator[BinaryOperator["Multiply"] = 7] = "Multiply";
    BinaryOperator[BinaryOperator["Modulo"] = 8] = "Modulo";
    BinaryOperator[BinaryOperator["And"] = 9] = "And";
    BinaryOperator[BinaryOperator["Or"] = 10] = "Or";
    BinaryOperator[BinaryOperator["BitwiseAnd"] = 11] = "BitwiseAnd";
    BinaryOperator[BinaryOperator["Lower"] = 12] = "Lower";
    BinaryOperator[BinaryOperator["LowerEquals"] = 13] = "LowerEquals";
    BinaryOperator[BinaryOperator["Bigger"] = 14] = "Bigger";
    BinaryOperator[BinaryOperator["BiggerEquals"] = 15] = "BiggerEquals";
    BinaryOperator[BinaryOperator["NullishCoalesce"] = 16] = "NullishCoalesce";
})(BinaryOperator || (BinaryOperator = {}));
function nullSafeIsEquivalent(base, other) {
    if (base == null || other == null) {
        return base == other;
    }
    return base.isEquivalent(other);
}
function areAllEquivalentPredicate(base, other, equivalentPredicate) {
    const len = base.length;
    if (len !== other.length) {
        return false;
    }
    for (let i = 0; i < len; i++) {
        if (!equivalentPredicate(base[i], other[i])) {
            return false;
        }
    }
    return true;
}
function areAllEquivalent(base, other) {
    return areAllEquivalentPredicate(base, other, (baseElement, otherElement) => baseElement.isEquivalent(otherElement));
}
class Expression {
    constructor(type, sourceSpan) {
        this.type = type || null;
        this.sourceSpan = sourceSpan || null;
    }
    prop(name, sourceSpan) {
        return new ReadPropExpr(this, name, null, sourceSpan);
    }
    key(index, type, sourceSpan) {
        return new ReadKeyExpr(this, index, type, sourceSpan);
    }
    callMethod(name, params, sourceSpan) {
        return new InvokeMethodExpr(this, name, params, null, sourceSpan);
    }
    callFn(params, sourceSpan, pure) {
        return new InvokeFunctionExpr(this, params, null, sourceSpan, pure);
    }
    instantiate(params, type, sourceSpan) {
        return new InstantiateExpr(this, params, type, sourceSpan);
    }
    conditional(trueCase, falseCase = null, sourceSpan) {
        return new ConditionalExpr(this, trueCase, falseCase, null, sourceSpan);
    }
    equals(rhs, sourceSpan) {
        return new BinaryOperatorExpr(BinaryOperator.Equals, this, rhs, null, sourceSpan);
    }
    notEquals(rhs, sourceSpan) {
        return new BinaryOperatorExpr(BinaryOperator.NotEquals, this, rhs, null, sourceSpan);
    }
    identical(rhs, sourceSpan) {
        return new BinaryOperatorExpr(BinaryOperator.Identical, this, rhs, null, sourceSpan);
    }
    notIdentical(rhs, sourceSpan) {
        return new BinaryOperatorExpr(BinaryOperator.NotIdentical, this, rhs, null, sourceSpan);
    }
    minus(rhs, sourceSpan) {
        return new BinaryOperatorExpr(BinaryOperator.Minus, this, rhs, null, sourceSpan);
    }
    plus(rhs, sourceSpan) {
        return new BinaryOperatorExpr(BinaryOperator.Plus, this, rhs, null, sourceSpan);
    }
    divide(rhs, sourceSpan) {
        return new BinaryOperatorExpr(BinaryOperator.Divide, this, rhs, null, sourceSpan);
    }
    multiply(rhs, sourceSpan) {
        return new BinaryOperatorExpr(BinaryOperator.Multiply, this, rhs, null, sourceSpan);
    }
    modulo(rhs, sourceSpan) {
        return new BinaryOperatorExpr(BinaryOperator.Modulo, this, rhs, null, sourceSpan);
    }
    and(rhs, sourceSpan) {
        return new BinaryOperatorExpr(BinaryOperator.And, this, rhs, null, sourceSpan);
    }
    bitwiseAnd(rhs, sourceSpan, parens = true) {
        return new BinaryOperatorExpr(BinaryOperator.BitwiseAnd, this, rhs, null, sourceSpan, parens);
    }
    or(rhs, sourceSpan) {
        return new BinaryOperatorExpr(BinaryOperator.Or, this, rhs, null, sourceSpan);
    }
    lower(rhs, sourceSpan) {
        return new BinaryOperatorExpr(BinaryOperator.Lower, this, rhs, null, sourceSpan);
    }
    lowerEquals(rhs, sourceSpan) {
        return new BinaryOperatorExpr(BinaryOperator.LowerEquals, this, rhs, null, sourceSpan);
    }
    bigger(rhs, sourceSpan) {
        return new BinaryOperatorExpr(BinaryOperator.Bigger, this, rhs, null, sourceSpan);
    }
    biggerEquals(rhs, sourceSpan) {
        return new BinaryOperatorExpr(BinaryOperator.BiggerEquals, this, rhs, null, sourceSpan);
    }
    isBlank(sourceSpan) {
        // Note: We use equals by purpose here to compare to null and undefined in JS.
        // We use the typed null to allow strictNullChecks to narrow types.
        return this.equals(TYPED_NULL_EXPR, sourceSpan);
    }
    cast(type, sourceSpan) {
        return new CastExpr(this, type, sourceSpan);
    }
    nullishCoalesce(rhs, sourceSpan) {
        return new BinaryOperatorExpr(BinaryOperator.NullishCoalesce, this, rhs, null, sourceSpan);
    }
    toStmt() {
        return new ExpressionStatement(this, null);
    }
}
var BuiltinVar;
(function (BuiltinVar) {
    BuiltinVar[BuiltinVar["This"] = 0] = "This";
    BuiltinVar[BuiltinVar["Super"] = 1] = "Super";
    BuiltinVar[BuiltinVar["CatchError"] = 2] = "CatchError";
    BuiltinVar[BuiltinVar["CatchStack"] = 3] = "CatchStack";
})(BuiltinVar || (BuiltinVar = {}));
class ReadVarExpr extends Expression {
    constructor(name, type, sourceSpan) {
        super(type, sourceSpan);
        if (typeof name === 'string') {
            this.name = name;
            this.builtin = null;
        }
        else {
            this.name = null;
            this.builtin = name;
        }
    }
    isEquivalent(e) {
        return e instanceof ReadVarExpr && this.name === e.name && this.builtin === e.builtin;
    }
    isConstant() {
        return false;
    }
    visitExpression(visitor, context) {
        return visitor.visitReadVarExpr(this, context);
    }
    set(value) {
        if (!this.name) {
            throw new Error(`Built in variable ${this.builtin} can not be assigned to.`);
        }
        return new WriteVarExpr(this.name, value, null, this.sourceSpan);
    }
}
class TypeofExpr extends Expression {
    constructor(expr, type, sourceSpan) {
        super(type, sourceSpan);
        this.expr = expr;
    }
    visitExpression(visitor, context) {
        return visitor.visitTypeofExpr(this, context);
    }
    isEquivalent(e) {
        return e instanceof TypeofExpr && e.expr.isEquivalent(this.expr);
    }
    isConstant() {
        return this.expr.isConstant();
    }
}
class WrappedNodeExpr extends Expression {
    constructor(node, type, sourceSpan) {
        super(type, sourceSpan);
        this.node = node;
    }
    isEquivalent(e) {
        return e instanceof WrappedNodeExpr && this.node === e.node;
    }
    isConstant() {
        return false;
    }
    visitExpression(visitor, context) {
        return visitor.visitWrappedNodeExpr(this, context);
    }
}
class WriteVarExpr extends Expression {
    constructor(name, value, type, sourceSpan) {
        super(type || value.type, sourceSpan);
        this.name = name;
        this.value = value;
    }
    isEquivalent(e) {
        return e instanceof WriteVarExpr && this.name === e.name && this.value.isEquivalent(e.value);
    }
    isConstant() {
        return false;
    }
    visitExpression(visitor, context) {
        return visitor.visitWriteVarExpr(this, context);
    }
    toDeclStmt(type, modifiers) {
        return new DeclareVarStmt(this.name, this.value, type, modifiers, this.sourceSpan);
    }
    toConstDecl() {
        return this.toDeclStmt(INFERRED_TYPE, [StmtModifier.Final]);
    }
}
class WriteKeyExpr extends Expression {
    constructor(receiver, index, value, type, sourceSpan) {
        super(type || value.type, sourceSpan);
        this.receiver = receiver;
        this.index = index;
        this.value = value;
    }
    isEquivalent(e) {
        return e instanceof WriteKeyExpr && this.receiver.isEquivalent(e.receiver) &&
            this.index.isEquivalent(e.index) && this.value.isEquivalent(e.value);
    }
    isConstant() {
        return false;
    }
    visitExpression(visitor, context) {
        return visitor.visitWriteKeyExpr(this, context);
    }
}
class WritePropExpr extends Expression {
    constructor(receiver, name, value, type, sourceSpan) {
        super(type || value.type, sourceSpan);
        this.receiver = receiver;
        this.name = name;
        this.value = value;
    }
    isEquivalent(e) {
        return e instanceof WritePropExpr && this.receiver.isEquivalent(e.receiver) &&
            this.name === e.name && this.value.isEquivalent(e.value);
    }
    isConstant() {
        return false;
    }
    visitExpression(visitor, context) {
        return visitor.visitWritePropExpr(this, context);
    }
}
var BuiltinMethod;
(function (BuiltinMethod) {
    BuiltinMethod[BuiltinMethod["ConcatArray"] = 0] = "ConcatArray";
    BuiltinMethod[BuiltinMethod["SubscribeObservable"] = 1] = "SubscribeObservable";
    BuiltinMethod[BuiltinMethod["Bind"] = 2] = "Bind";
})(BuiltinMethod || (BuiltinMethod = {}));
class InvokeMethodExpr extends Expression {
    constructor(receiver, method, args, type, sourceSpan) {
        super(type, sourceSpan);
        this.receiver = receiver;
        this.args = args;
        if (typeof method === 'string') {
            this.name = method;
            this.builtin = null;
        }
        else {
            this.name = null;
            this.builtin = method;
        }
    }
    isEquivalent(e) {
        return e instanceof InvokeMethodExpr && this.receiver.isEquivalent(e.receiver) &&
            this.name === e.name && this.builtin === e.builtin && areAllEquivalent(this.args, e.args);
    }
    isConstant() {
        return false;
    }
    visitExpression(visitor, context) {
        return visitor.visitInvokeMethodExpr(this, context);
    }
}
class InvokeFunctionExpr extends Expression {
    constructor(fn, args, type, sourceSpan, pure = false) {
        super(type, sourceSpan);
        this.fn = fn;
        this.args = args;
        this.pure = pure;
    }
    isEquivalent(e) {
        return e instanceof InvokeFunctionExpr && this.fn.isEquivalent(e.fn) &&
            areAllEquivalent(this.args, e.args) && this.pure === e.pure;
    }
    isConstant() {
        return false;
    }
    visitExpression(visitor, context) {
        return visitor.visitInvokeFunctionExpr(this, context);
    }
}
class TaggedTemplateExpr extends Expression {
    constructor(tag, template, type, sourceSpan) {
        super(type, sourceSpan);
        this.tag = tag;
        this.template = template;
    }
    isEquivalent(e) {
        return e instanceof TaggedTemplateExpr && this.tag.isEquivalent(e.tag) &&
            areAllEquivalentPredicate(this.template.elements, e.template.elements, (a, b) => a.text === b.text) &&
            areAllEquivalent(this.template.expressions, e.template.expressions);
    }
    isConstant() {
        return false;
    }
    visitExpression(visitor, context) {
        return visitor.visitTaggedTemplateExpr(this, context);
    }
}
class InstantiateExpr extends Expression {
    constructor(classExpr, args, type, sourceSpan) {
        super(type, sourceSpan);
        this.classExpr = classExpr;
        this.args = args;
    }
    isEquivalent(e) {
        return e instanceof InstantiateExpr && this.classExpr.isEquivalent(e.classExpr) &&
            areAllEquivalent(this.args, e.args);
    }
    isConstant() {
        return false;
    }
    visitExpression(visitor, context) {
        return visitor.visitInstantiateExpr(this, context);
    }
}
class LiteralExpr extends Expression {
    constructor(value, type, sourceSpan) {
        super(type, sourceSpan);
        this.value = value;
    }
    isEquivalent(e) {
        return e instanceof LiteralExpr && this.value === e.value;
    }
    isConstant() {
        return true;
    }
    visitExpression(visitor, context) {
        return visitor.visitLiteralExpr(this, context);
    }
}
class TemplateLiteral {
    constructor(elements, expressions) {
        this.elements = elements;
        this.expressions = expressions;
    }
}
class TemplateLiteralElement {
    constructor(text, sourceSpan, rawText) {
        var _a;
        this.text = text;
        this.sourceSpan = sourceSpan;
        // If `rawText` is not provided, try to extract the raw string from its
        // associated `sourceSpan`. If that is also not available, "fake" the raw
        // string instead by escaping the following control sequences:
        // - "\" would otherwise indicate that the next character is a control character.
        // - "`" and "${" are template string control sequences that would otherwise prematurely
        // indicate the end of the template literal element.
        this.rawText =
            (_a = rawText !== null && rawText !== void 0 ? rawText : sourceSpan === null || sourceSpan === void 0 ? void 0 : sourceSpan.toString()) !== null && _a !== void 0 ? _a : escapeForTemplateLiteral(escapeSlashes(text));
    }
}
class MessagePiece {
    constructor(text, sourceSpan) {
        this.text = text;
        this.sourceSpan = sourceSpan;
    }
}
class LiteralPiece extends MessagePiece {
}
class PlaceholderPiece extends MessagePiece {
}
class LocalizedString extends Expression {
    constructor(metaBlock, messageParts, placeHolderNames, expressions, sourceSpan) {
        super(STRING_TYPE, sourceSpan);
        this.metaBlock = metaBlock;
        this.messageParts = messageParts;
        this.placeHolderNames = placeHolderNames;
        this.expressions = expressions;
    }
    isEquivalent(e) {
        // return e instanceof LocalizedString && this.message === e.message;
        return false;
    }
    isConstant() {
        return false;
    }
    visitExpression(visitor, context) {
        return visitor.visitLocalizedString(this, context);
    }
    /**
     * Serialize the given `meta` and `messagePart` into "cooked" and "raw" strings that can be used
     * in a `$localize` tagged string. The format of the metadata is the same as that parsed by
     * `parseI18nMeta()`.
     *
     * @param meta The metadata to serialize
     * @param messagePart The first part of the tagged string
     */
    serializeI18nHead() {
        const MEANING_SEPARATOR = '|';
        const ID_SEPARATOR = '@@';
        const LEGACY_ID_INDICATOR = '␟';
        let metaBlock = this.metaBlock.description || '';
        if (this.metaBlock.meaning) {
            metaBlock = `${this.metaBlock.meaning}${MEANING_SEPARATOR}${metaBlock}`;
        }
        if (this.metaBlock.customId) {
            metaBlock = `${metaBlock}${ID_SEPARATOR}${this.metaBlock.customId}`;
        }
        if (this.metaBlock.legacyIds) {
            this.metaBlock.legacyIds.forEach(legacyId => {
                metaBlock = `${metaBlock}${LEGACY_ID_INDICATOR}${legacyId}`;
            });
        }
        return createCookedRawString(metaBlock, this.messageParts[0].text, this.getMessagePartSourceSpan(0));
    }
    getMessagePartSourceSpan(i) {
        var _a, _b;
        return (_b = (_a = this.messageParts[i]) === null || _a === void 0 ? void 0 : _a.sourceSpan) !== null && _b !== void 0 ? _b : this.sourceSpan;
    }
    getPlaceholderSourceSpan(i) {
        var _a, _b, _c, _d;
        return (_d = (_b = (_a = this.placeHolderNames[i]) === null || _a === void 0 ? void 0 : _a.sourceSpan) !== null && _b !== void 0 ? _b : (_c = this.expressions[i]) === null || _c === void 0 ? void 0 : _c.sourceSpan) !== null && _d !== void 0 ? _d : this.sourceSpan;
    }
    /**
     * Serialize the given `placeholderName` and `messagePart` into "cooked" and "raw" strings that
     * can be used in a `$localize` tagged string.
     *
     * @param placeholderName The placeholder name to serialize
     * @param messagePart The following message string after this placeholder
     */
    serializeI18nTemplatePart(partIndex) {
        const placeholderName = this.placeHolderNames[partIndex - 1].text;
        const messagePart = this.messageParts[partIndex];
        return createCookedRawString(placeholderName, messagePart.text, this.getMessagePartSourceSpan(partIndex));
    }
}
const escapeSlashes = (str) => str.replace(/\\/g, '\\\\');
const escapeStartingColon = (str) => str.replace(/^:/, '\\:');
const escapeColons = (str) => str.replace(/:/g, '\\:');
const escapeForTemplateLiteral = (str) => str.replace(/`/g, '\\`').replace(/\${/g, '$\\{');
/**
 * Creates a `{cooked, raw}` object from the `metaBlock` and `messagePart`.
 *
 * The `raw` text must have various character sequences escaped:
 * * "\" would otherwise indicate that the next character is a control character.
 * * "`" and "${" are template string control sequences that would otherwise prematurely indicate
 *   the end of a message part.
 * * ":" inside a metablock would prematurely indicate the end of the metablock.
 * * ":" at the start of a messagePart with no metablock would erroneously indicate the start of a
 *   metablock.
 *
 * @param metaBlock Any metadata that should be prepended to the string
 * @param messagePart The message part of the string
 */
function createCookedRawString(metaBlock, messagePart, range) {
    if (metaBlock === '') {
        return {
            cooked: messagePart,
            raw: escapeForTemplateLiteral(escapeStartingColon(escapeSlashes(messagePart))),
            range,
        };
    }
    else {
        return {
            cooked: `:${metaBlock}:${messagePart}`,
            raw: escapeForTemplateLiteral(`:${escapeColons(escapeSlashes(metaBlock))}:${escapeSlashes(messagePart)}`),
            range,
        };
    }
}
class ExternalExpr extends Expression {
    constructor(value, type, typeParams = null, sourceSpan) {
        super(type, sourceSpan);
        this.value = value;
        this.typeParams = typeParams;
    }
    isEquivalent(e) {
        return e instanceof ExternalExpr && this.value.name === e.value.name &&
            this.value.moduleName === e.value.moduleName && this.value.runtime === e.value.runtime;
    }
    isConstant() {
        return false;
    }
    visitExpression(visitor, context) {
        return visitor.visitExternalExpr(this, context);
    }
}
class ExternalReference {
    constructor(moduleName, name, runtime) {
        this.moduleName = moduleName;
        this.name = name;
        this.runtime = runtime;
    }
}
class ConditionalExpr extends Expression {
    constructor(condition, trueCase, falseCase = null, type, sourceSpan) {
        super(type || trueCase.type, sourceSpan);
        this.condition = condition;
        this.falseCase = falseCase;
        this.trueCase = trueCase;
    }
    isEquivalent(e) {
        return e instanceof ConditionalExpr && this.condition.isEquivalent(e.condition) &&
            this.trueCase.isEquivalent(e.trueCase) && nullSafeIsEquivalent(this.falseCase, e.falseCase);
    }
    isConstant() {
        return false;
    }
    visitExpression(visitor, context) {
        return visitor.visitConditionalExpr(this, context);
    }
}
class NotExpr extends Expression {
    constructor(condition, sourceSpan) {
        super(BOOL_TYPE, sourceSpan);
        this.condition = condition;
    }
    isEquivalent(e) {
        return e instanceof NotExpr && this.condition.isEquivalent(e.condition);
    }
    isConstant() {
        return false;
    }
    visitExpression(visitor, context) {
        return visitor.visitNotExpr(this, context);
    }
}
class AssertNotNull extends Expression {
    constructor(condition, sourceSpan) {
        super(condition.type, sourceSpan);
        this.condition = condition;
    }
    isEquivalent(e) {
        return e instanceof AssertNotNull && this.condition.isEquivalent(e.condition);
    }
    isConstant() {
        return false;
    }
    visitExpression(visitor, context) {
        return visitor.visitAssertNotNullExpr(this, context);
    }
}
class CastExpr extends Expression {
    constructor(value, type, sourceSpan) {
        super(type, sourceSpan);
        this.value = value;
    }
    isEquivalent(e) {
        return e instanceof CastExpr && this.value.isEquivalent(e.value);
    }
    isConstant() {
        return false;
    }
    visitExpression(visitor, context) {
        return visitor.visitCastExpr(this, context);
    }
}
class FnParam {
    constructor(name, type = null) {
        this.name = name;
        this.type = type;
    }
    isEquivalent(param) {
        return this.name === param.name;
    }
}
class FunctionExpr extends Expression {
    constructor(params, statements, type, sourceSpan, name) {
        super(type, sourceSpan);
        this.params = params;
        this.statements = statements;
        this.name = name;
    }
    isEquivalent(e) {
        return e instanceof FunctionExpr && areAllEquivalent(this.params, e.params) &&
            areAllEquivalent(this.statements, e.statements);
    }
    isConstant() {
        return false;
    }
    visitExpression(visitor, context) {
        return visitor.visitFunctionExpr(this, context);
    }
    toDeclStmt(name, modifiers) {
        return new DeclareFunctionStmt(name, this.params, this.statements, this.type, modifiers, this.sourceSpan);
    }
}
class UnaryOperatorExpr extends Expression {
    constructor(operator, expr, type, sourceSpan, parens = true) {
        super(type || NUMBER_TYPE, sourceSpan);
        this.operator = operator;
        this.expr = expr;
        this.parens = parens;
    }
    isEquivalent(e) {
        return e instanceof UnaryOperatorExpr && this.operator === e.operator &&
            this.expr.isEquivalent(e.expr);
    }
    isConstant() {
        return false;
    }
    visitExpression(visitor, context) {
        return visitor.visitUnaryOperatorExpr(this, context);
    }
}
class BinaryOperatorExpr extends Expression {
    constructor(operator, lhs, rhs, type, sourceSpan, parens = true) {
        super(type || lhs.type, sourceSpan);
        this.operator = operator;
        this.rhs = rhs;
        this.parens = parens;
        this.lhs = lhs;
    }
    isEquivalent(e) {
        return e instanceof BinaryOperatorExpr && this.operator === e.operator &&
            this.lhs.isEquivalent(e.lhs) && this.rhs.isEquivalent(e.rhs);
    }
    isConstant() {
        return false;
    }
    visitExpression(visitor, context) {
        return visitor.visitBinaryOperatorExpr(this, context);
    }
}
class ReadPropExpr extends Expression {
    constructor(receiver, name, type, sourceSpan) {
        super(type, sourceSpan);
        this.receiver = receiver;
        this.name = name;
    }
    isEquivalent(e) {
        return e instanceof ReadPropExpr && this.receiver.isEquivalent(e.receiver) &&
            this.name === e.name;
    }
    isConstant() {
        return false;
    }
    visitExpression(visitor, context) {
        return visitor.visitReadPropExpr(this, context);
    }
    set(value) {
        return new WritePropExpr(this.receiver, this.name, value, null, this.sourceSpan);
    }
}
class ReadKeyExpr extends Expression {
    constructor(receiver, index, type, sourceSpan) {
        super(type, sourceSpan);
        this.receiver = receiver;
        this.index = index;
    }
    isEquivalent(e) {
        return e instanceof ReadKeyExpr && this.receiver.isEquivalent(e.receiver) &&
            this.index.isEquivalent(e.index);
    }
    isConstant() {
        return false;
    }
    visitExpression(visitor, context) {
        return visitor.visitReadKeyExpr(this, context);
    }
    set(value) {
        return new WriteKeyExpr(this.receiver, this.index, value, null, this.sourceSpan);
    }
}
class LiteralArrayExpr extends Expression {
    constructor(entries, type, sourceSpan) {
        super(type, sourceSpan);
        this.entries = entries;
    }
    isConstant() {
        return this.entries.every(e => e.isConstant());
    }
    isEquivalent(e) {
        return e instanceof LiteralArrayExpr && areAllEquivalent(this.entries, e.entries);
    }
    visitExpression(visitor, context) {
        return visitor.visitLiteralArrayExpr(this, context);
    }
}
class LiteralMapEntry {
    constructor(key, value, quoted) {
        this.key = key;
        this.value = value;
        this.quoted = quoted;
    }
    isEquivalent(e) {
        return this.key === e.key && this.value.isEquivalent(e.value);
    }
}
class LiteralMapExpr extends Expression {
    constructor(entries, type, sourceSpan) {
        super(type, sourceSpan);
        this.entries = entries;
        this.valueType = null;
        if (type) {
            this.valueType = type.valueType;
        }
    }
    isEquivalent(e) {
        return e instanceof LiteralMapExpr && areAllEquivalent(this.entries, e.entries);
    }
    isConstant() {
        return this.entries.every(e => e.value.isConstant());
    }
    visitExpression(visitor, context) {
        return visitor.visitLiteralMapExpr(this, context);
    }
}
class CommaExpr extends Expression {
    constructor(parts, sourceSpan) {
        super(parts[parts.length - 1].type, sourceSpan);
        this.parts = parts;
    }
    isEquivalent(e) {
        return e instanceof CommaExpr && areAllEquivalent(this.parts, e.parts);
    }
    isConstant() {
        return false;
    }
    visitExpression(visitor, context) {
        return visitor.visitCommaExpr(this, context);
    }
}
const THIS_EXPR = new ReadVarExpr(BuiltinVar.This, null, null);
const SUPER_EXPR = new ReadVarExpr(BuiltinVar.Super, null, null);
const CATCH_ERROR_VAR = new ReadVarExpr(BuiltinVar.CatchError, null, null);
const CATCH_STACK_VAR = new ReadVarExpr(BuiltinVar.CatchStack, null, null);
const NULL_EXPR = new LiteralExpr(null, null, null);
const TYPED_NULL_EXPR = new LiteralExpr(null, INFERRED_TYPE, null);
//// Statements
var StmtModifier;
(function (StmtModifier) {
    StmtModifier[StmtModifier["Final"] = 0] = "Final";
    StmtModifier[StmtModifier["Private"] = 1] = "Private";
    StmtModifier[StmtModifier["Exported"] = 2] = "Exported";
    StmtModifier[StmtModifier["Static"] = 3] = "Static";
})(StmtModifier || (StmtModifier = {}));
class LeadingComment {
    constructor(text, multiline, trailingNewline) {
        this.text = text;
        this.multiline = multiline;
        this.trailingNewline = trailingNewline;
    }
    toString() {
        return this.multiline ? ` ${this.text} ` : this.text;
    }
}
class JSDocComment extends LeadingComment {
    constructor(tags) {
        super('', /* multiline */ true, /* trailingNewline */ true);
        this.tags = tags;
    }
    toString() {
        return serializeTags(this.tags);
    }
}
class Statement {
    constructor(modifiers = [], sourceSpan = null, leadingComments) {
        this.modifiers = modifiers;
        this.sourceSpan = sourceSpan;
        this.leadingComments = leadingComments;
    }
    hasModifier(modifier) {
        return this.modifiers.indexOf(modifier) !== -1;
    }
    addLeadingComment(leadingComment) {
        var _a;
        this.leadingComments = (_a = this.leadingComments) !== null && _a !== void 0 ? _a : [];
        this.leadingComments.push(leadingComment);
    }
}
class DeclareVarStmt extends Statement {
    constructor(name, value, type, modifiers, sourceSpan, leadingComments) {
        super(modifiers, sourceSpan, leadingComments);
        this.name = name;
        this.value = value;
        this.type = type || (value && value.type) || null;
    }
    isEquivalent(stmt) {
        return stmt instanceof DeclareVarStmt && this.name === stmt.name &&
            (this.value ? !!stmt.value && this.value.isEquivalent(stmt.value) : !stmt.value);
    }
    visitStatement(visitor, context) {
        return visitor.visitDeclareVarStmt(this, context);
    }
}
class DeclareFunctionStmt extends Statement {
    constructor(name, params, statements, type, modifiers, sourceSpan, leadingComments) {
        super(modifiers, sourceSpan, leadingComments);
        this.name = name;
        this.params = params;
        this.statements = statements;
        this.type = type || null;
    }
    isEquivalent(stmt) {
        return stmt instanceof DeclareFunctionStmt && areAllEquivalent(this.params, stmt.params) &&
            areAllEquivalent(this.statements, stmt.statements);
    }
    visitStatement(visitor, context) {
        return visitor.visitDeclareFunctionStmt(this, context);
    }
}
class ExpressionStatement extends Statement {
    constructor(expr, sourceSpan, leadingComments) {
        super([], sourceSpan, leadingComments);
        this.expr = expr;
    }
    isEquivalent(stmt) {
        return stmt instanceof ExpressionStatement && this.expr.isEquivalent(stmt.expr);
    }
    visitStatement(visitor, context) {
        return visitor.visitExpressionStmt(this, context);
    }
}
class ReturnStatement extends Statement {
    constructor(value, sourceSpan = null, leadingComments) {
        super([], sourceSpan, leadingComments);
        this.value = value;
    }
    isEquivalent(stmt) {
        return stmt instanceof ReturnStatement && this.value.isEquivalent(stmt.value);
    }
    visitStatement(visitor, context) {
        return visitor.visitReturnStmt(this, context);
    }
}
class AbstractClassPart {
    constructor(type = null, modifiers = []) {
        this.type = type;
        this.modifiers = modifiers;
    }
    hasModifier(modifier) {
        return this.modifiers.indexOf(modifier) !== -1;
    }
}
class ClassField extends AbstractClassPart {
    constructor(name, type, modifiers, initializer) {
        super(type, modifiers);
        this.name = name;
        this.initializer = initializer;
    }
    isEquivalent(f) {
        return this.name === f.name;
    }
}
class ClassMethod extends AbstractClassPart {
    constructor(name, params, body, type, modifiers) {
        super(type, modifiers);
        this.name = name;
        this.params = params;
        this.body = body;
    }
    isEquivalent(m) {
        return this.name === m.name && areAllEquivalent(this.body, m.body);
    }
}
class ClassGetter extends AbstractClassPart {
    constructor(name, body, type, modifiers) {
        super(type, modifiers);
        this.name = name;
        this.body = body;
    }
    isEquivalent(m) {
        return this.name === m.name && areAllEquivalent(this.body, m.body);
    }
}
class ClassStmt extends Statement {
    constructor(name, parent, fields, getters, constructorMethod, methods, modifiers, sourceSpan, leadingComments) {
        super(modifiers, sourceSpan, leadingComments);
        this.name = name;
        this.parent = parent;
        this.fields = fields;
        this.getters = getters;
        this.constructorMethod = constructorMethod;
        this.methods = methods;
    }
    isEquivalent(stmt) {
        return stmt instanceof ClassStmt && this.name === stmt.name &&
            nullSafeIsEquivalent(this.parent, stmt.parent) &&
            areAllEquivalent(this.fields, stmt.fields) &&
            areAllEquivalent(this.getters, stmt.getters) &&
            this.constructorMethod.isEquivalent(stmt.constructorMethod) &&
            areAllEquivalent(this.methods, stmt.methods);
    }
    visitStatement(visitor, context) {
        return visitor.visitDeclareClassStmt(this, context);
    }
}
class IfStmt extends Statement {
    constructor(condition, trueCase, falseCase = [], sourceSpan, leadingComments) {
        super([], sourceSpan, leadingComments);
        this.condition = condition;
        this.trueCase = trueCase;
        this.falseCase = falseCase;
    }
    isEquivalent(stmt) {
        return stmt instanceof IfStmt && this.condition.isEquivalent(stmt.condition) &&
            areAllEquivalent(this.trueCase, stmt.trueCase) &&
            areAllEquivalent(this.falseCase, stmt.falseCase);
    }
    visitStatement(visitor, context) {
        return visitor.visitIfStmt(this, context);
    }
}
class TryCatchStmt extends Statement {
    constructor(bodyStmts, catchStmts, sourceSpan = null, leadingComments) {
        super([], sourceSpan, leadingComments);
        this.bodyStmts = bodyStmts;
        this.catchStmts = catchStmts;
    }
    isEquivalent(stmt) {
        return stmt instanceof TryCatchStmt && areAllEquivalent(this.bodyStmts, stmt.bodyStmts) &&
            areAllEquivalent(this.catchStmts, stmt.catchStmts);
    }
    visitStatement(visitor, context) {
        return visitor.visitTryCatchStmt(this, context);
    }
}
class ThrowStmt extends Statement {
    constructor(error, sourceSpan = null, leadingComments) {
        super([], sourceSpan, leadingComments);
        this.error = error;
    }
    isEquivalent(stmt) {
        return stmt instanceof TryCatchStmt && this.error.isEquivalent(stmt.error);
    }
    visitStatement(visitor, context) {
        return visitor.visitThrowStmt(this, context);
    }
}
class AstTransformer {
    transformExpr(expr, context) {
        return expr;
    }
    transformStmt(stmt, context) {
        return stmt;
    }
    visitReadVarExpr(ast, context) {
        return this.transformExpr(ast, context);
    }
    visitWrappedNodeExpr(ast, context) {
        return this.transformExpr(ast, context);
    }
    visitTypeofExpr(expr, context) {
        return this.transformExpr(new TypeofExpr(expr.expr.visitExpression(this, context), expr.type, expr.sourceSpan), context);
    }
    visitWriteVarExpr(expr, context) {
        return this.transformExpr(new WriteVarExpr(expr.name, expr.value.visitExpression(this, context), expr.type, expr.sourceSpan), context);
    }
    visitWriteKeyExpr(expr, context) {
        return this.transformExpr(new WriteKeyExpr(expr.receiver.visitExpression(this, context), expr.index.visitExpression(this, context), expr.value.visitExpression(this, context), expr.type, expr.sourceSpan), context);
    }
    visitWritePropExpr(expr, context) {
        return this.transformExpr(new WritePropExpr(expr.receiver.visitExpression(this, context), expr.name, expr.value.visitExpression(this, context), expr.type, expr.sourceSpan), context);
    }
    visitInvokeMethodExpr(ast, context) {
        const method = ast.builtin || ast.name;
        return this.transformExpr(new InvokeMethodExpr(ast.receiver.visitExpression(this, context), method, this.visitAllExpressions(ast.args, context), ast.type, ast.sourceSpan), context);
    }
    visitInvokeFunctionExpr(ast, context) {
        return this.transformExpr(new InvokeFunctionExpr(ast.fn.visitExpression(this, context), this.visitAllExpressions(ast.args, context), ast.type, ast.sourceSpan), context);
    }
    visitTaggedTemplateExpr(ast, context) {
        return this.transformExpr(new TaggedTemplateExpr(ast.tag.visitExpression(this, context), new TemplateLiteral(ast.template.elements, ast.template.expressions.map((e) => e.visitExpression(this, context))), ast.type, ast.sourceSpan), context);
    }
    visitInstantiateExpr(ast, context) {
        return this.transformExpr(new InstantiateExpr(ast.classExpr.visitExpression(this, context), this.visitAllExpressions(ast.args, context), ast.type, ast.sourceSpan), context);
    }
    visitLiteralExpr(ast, context) {
        return this.transformExpr(ast, context);
    }
    visitLocalizedString(ast, context) {
        return this.transformExpr(new LocalizedString(ast.metaBlock, ast.messageParts, ast.placeHolderNames, this.visitAllExpressions(ast.expressions, context), ast.sourceSpan), context);
    }
    visitExternalExpr(ast, context) {
        return this.transformExpr(ast, context);
    }
    visitConditionalExpr(ast, context) {
        return this.transformExpr(new ConditionalExpr(ast.condition.visitExpression(this, context), ast.trueCase.visitExpression(this, context), ast.falseCase.visitExpression(this, context), ast.type, ast.sourceSpan), context);
    }
    visitNotExpr(ast, context) {
        return this.transformExpr(new NotExpr(ast.condition.visitExpression(this, context), ast.sourceSpan), context);
    }
    visitAssertNotNullExpr(ast, context) {
        return this.transformExpr(new AssertNotNull(ast.condition.visitExpression(this, context), ast.sourceSpan), context);
    }
    visitCastExpr(ast, context) {
        return this.transformExpr(new CastExpr(ast.value.visitExpression(this, context), ast.type, ast.sourceSpan), context);
    }
    visitFunctionExpr(ast, context) {
        return this.transformExpr(new FunctionExpr(ast.params, this.visitAllStatements(ast.statements, context), ast.type, ast.sourceSpan), context);
    }
    visitUnaryOperatorExpr(ast, context) {
        return this.transformExpr(new UnaryOperatorExpr(ast.operator, ast.expr.visitExpression(this, context), ast.type, ast.sourceSpan), context);
    }
    visitBinaryOperatorExpr(ast, context) {
        return this.transformExpr(new BinaryOperatorExpr(ast.operator, ast.lhs.visitExpression(this, context), ast.rhs.visitExpression(this, context), ast.type, ast.sourceSpan), context);
    }
    visitReadPropExpr(ast, context) {
        return this.transformExpr(new ReadPropExpr(ast.receiver.visitExpression(this, context), ast.name, ast.type, ast.sourceSpan), context);
    }
    visitReadKeyExpr(ast, context) {
        return this.transformExpr(new ReadKeyExpr(ast.receiver.visitExpression(this, context), ast.index.visitExpression(this, context), ast.type, ast.sourceSpan), context);
    }
    visitLiteralArrayExpr(ast, context) {
        return this.transformExpr(new LiteralArrayExpr(this.visitAllExpressions(ast.entries, context), ast.type, ast.sourceSpan), context);
    }
    visitLiteralMapExpr(ast, context) {
        const entries = ast.entries.map((entry) => new LiteralMapEntry(entry.key, entry.value.visitExpression(this, context), entry.quoted));
        const mapType = new MapType(ast.valueType);
        return this.transformExpr(new LiteralMapExpr(entries, mapType, ast.sourceSpan), context);
    }
    visitCommaExpr(ast, context) {
        return this.transformExpr(new CommaExpr(this.visitAllExpressions(ast.parts, context), ast.sourceSpan), context);
    }
    visitAllExpressions(exprs, context) {
        return exprs.map(expr => expr.visitExpression(this, context));
    }
    visitDeclareVarStmt(stmt, context) {
        const value = stmt.value && stmt.value.visitExpression(this, context);
        return this.transformStmt(new DeclareVarStmt(stmt.name, value, stmt.type, stmt.modifiers, stmt.sourceSpan, stmt.leadingComments), context);
    }
    visitDeclareFunctionStmt(stmt, context) {
        return this.transformStmt(new DeclareFunctionStmt(stmt.name, stmt.params, this.visitAllStatements(stmt.statements, context), stmt.type, stmt.modifiers, stmt.sourceSpan, stmt.leadingComments), context);
    }
    visitExpressionStmt(stmt, context) {
        return this.transformStmt(new ExpressionStatement(stmt.expr.visitExpression(this, context), stmt.sourceSpan, stmt.leadingComments), context);
    }
    visitReturnStmt(stmt, context) {
        return this.transformStmt(new ReturnStatement(stmt.value.visitExpression(this, context), stmt.sourceSpan, stmt.leadingComments), context);
    }
    visitDeclareClassStmt(stmt, context) {
        const parent = stmt.parent.visitExpression(this, context);
        const getters = stmt.getters.map(getter => new ClassGetter(getter.name, this.visitAllStatements(getter.body, context), getter.type, getter.modifiers));
        const ctorMethod = stmt.constructorMethod &&
            new ClassMethod(stmt.constructorMethod.name, stmt.constructorMethod.params, this.visitAllStatements(stmt.constructorMethod.body, context), stmt.constructorMethod.type, stmt.constructorMethod.modifiers);
        const methods = stmt.methods.map(method => new ClassMethod(method.name, method.params, this.visitAllStatements(method.body, context), method.type, method.modifiers));
        return this.transformStmt(new ClassStmt(stmt.name, parent, stmt.fields, getters, ctorMethod, methods, stmt.modifiers, stmt.sourceSpan), context);
    }
    visitIfStmt(stmt, context) {
        return this.transformStmt(new IfStmt(stmt.condition.visitExpression(this, context), this.visitAllStatements(stmt.trueCase, context), this.visitAllStatements(stmt.falseCase, context), stmt.sourceSpan, stmt.leadingComments), context);
    }
    visitTryCatchStmt(stmt, context) {
        return this.transformStmt(new TryCatchStmt(this.visitAllStatements(stmt.bodyStmts, context), this.visitAllStatements(stmt.catchStmts, context), stmt.sourceSpan, stmt.leadingComments), context);
    }
    visitThrowStmt(stmt, context) {
        return this.transformStmt(new ThrowStmt(stmt.error.visitExpression(this, context), stmt.sourceSpan, stmt.leadingComments), context);
    }
    visitAllStatements(stmts, context) {
        return stmts.map(stmt => stmt.visitStatement(this, context));
    }
}
class RecursiveAstVisitor {
    visitType(ast, context) {
        return ast;
    }
    visitExpression(ast, context) {
        if (ast.type) {
            ast.type.visitType(this, context);
        }
        return ast;
    }
    visitBuiltinType(type, context) {
        return this.visitType(type, context);
    }
    visitExpressionType(type, context) {
        type.value.visitExpression(this, context);
        if (type.typeParams !== null) {
            type.typeParams.forEach(param => this.visitType(param, context));
        }
        return this.visitType(type, context);
    }
    visitArrayType(type, context) {
        return this.visitType(type, context);
    }
    visitMapType(type, context) {
        return this.visitType(type, context);
    }
    visitWrappedNodeExpr(ast, context) {
        return ast;
    }
    visitTypeofExpr(ast, context) {
        return this.visitExpression(ast, context);
    }
    visitReadVarExpr(ast, context) {
        return this.visitExpression(ast, context);
    }
    visitWriteVarExpr(ast, context) {
        ast.value.visitExpression(this, context);
        return this.visitExpression(ast, context);
    }
    visitWriteKeyExpr(ast, context) {
        ast.receiver.visitExpression(this, context);
        ast.index.visitExpression(this, context);
        ast.value.visitExpression(this, context);
        return this.visitExpression(ast, context);
    }
    visitWritePropExpr(ast, context) {
        ast.receiver.visitExpression(this, context);
        ast.value.visitExpression(this, context);
        return this.visitExpression(ast, context);
    }
    visitInvokeMethodExpr(ast, context) {
        ast.receiver.visitExpression(this, context);
        this.visitAllExpressions(ast.args, context);
        return this.visitExpression(ast, context);
    }
    visitInvokeFunctionExpr(ast, context) {
        ast.fn.visitExpression(this, context);
        this.visitAllExpressions(ast.args, context);
        return this.visitExpression(ast, context);
    }
    visitTaggedTemplateExpr(ast, context) {
        ast.tag.visitExpression(this, context);
        this.visitAllExpressions(ast.template.expressions, context);
        return this.visitExpression(ast, context);
    }
    visitInstantiateExpr(ast, context) {
        ast.classExpr.visitExpression(this, context);
        this.visitAllExpressions(ast.args, context);
        return this.visitExpression(ast, context);
    }
    visitLiteralExpr(ast, context) {
        return this.visitExpression(ast, context);
    }
    visitLocalizedString(ast, context) {
        return this.visitExpression(ast, context);
    }
    visitExternalExpr(ast, context) {
        if (ast.typeParams) {
            ast.typeParams.forEach(type => type.visitType(this, context));
        }
        return this.visitExpression(ast, context);
    }
    visitConditionalExpr(ast, context) {
        ast.condition.visitExpression(this, context);
        ast.trueCase.visitExpression(this, context);
        ast.falseCase.visitExpression(this, context);
        return this.visitExpression(ast, context);
    }
    visitNotExpr(ast, context) {
        ast.condition.visitExpression(this, context);
        return this.visitExpression(ast, context);
    }
    visitAssertNotNullExpr(ast, context) {
        ast.condition.visitExpression(this, context);
        return this.visitExpression(ast, context);
    }
    visitCastExpr(ast, context) {
        ast.value.visitExpression(this, context);
        return this.visitExpression(ast, context);
    }
    visitFunctionExpr(ast, context) {
        this.visitAllStatements(ast.statements, context);
        return this.visitExpression(ast, context);
    }
    visitUnaryOperatorExpr(ast, context) {
        ast.expr.visitExpression(this, context);
        return this.visitExpression(ast, context);
    }
    visitBinaryOperatorExpr(ast, context) {
        ast.lhs.visitExpression(this, context);
        ast.rhs.visitExpression(this, context);
        return this.visitExpression(ast, context);
    }
    visitReadPropExpr(ast, context) {
        ast.receiver.visitExpression(this, context);
        return this.visitExpression(ast, context);
    }
    visitReadKeyExpr(ast, context) {
        ast.receiver.visitExpression(this, context);
        ast.index.visitExpression(this, context);
        return this.visitExpression(ast, context);
    }
    visitLiteralArrayExpr(ast, context) {
        this.visitAllExpressions(ast.entries, context);
        return this.visitExpression(ast, context);
    }
    visitLiteralMapExpr(ast, context) {
        ast.entries.forEach((entry) => entry.value.visitExpression(this, context));
        return this.visitExpression(ast, context);
    }
    visitCommaExpr(ast, context) {
        this.visitAllExpressions(ast.parts, context);
        return this.visitExpression(ast, context);
    }
    visitAllExpressions(exprs, context) {
        exprs.forEach(expr => expr.visitExpression(this, context));
    }
    visitDeclareVarStmt(stmt, context) {
        if (stmt.value) {
            stmt.value.visitExpression(this, context);
        }
        if (stmt.type) {
            stmt.type.visitType(this, context);
        }
        return stmt;
    }
    visitDeclareFunctionStmt(stmt, context) {
        this.visitAllStatements(stmt.statements, context);
        if (stmt.type) {
            stmt.type.visitType(this, context);
        }
        return stmt;
    }
    visitExpressionStmt(stmt, context) {
        stmt.expr.visitExpression(this, context);
        return stmt;
    }
    visitReturnStmt(stmt, context) {
        stmt.value.visitExpression(this, context);
        return stmt;
    }
    visitDeclareClassStmt(stmt, context) {
        stmt.parent.visitExpression(this, context);
        stmt.getters.forEach(getter => this.visitAllStatements(getter.body, context));
        if (stmt.constructorMethod) {
            this.visitAllStatements(stmt.constructorMethod.body, context);
        }
        stmt.methods.forEach(method => this.visitAllStatements(method.body, context));
        return stmt;
    }
    visitIfStmt(stmt, context) {
        stmt.condition.visitExpression(this, context);
        this.visitAllStatements(stmt.trueCase, context);
        this.visitAllStatements(stmt.falseCase, context);
        return stmt;
    }
    visitTryCatchStmt(stmt, context) {
        this.visitAllStatements(stmt.bodyStmts, context);
        this.visitAllStatements(stmt.catchStmts, context);
        return stmt;
    }
    visitThrowStmt(stmt, context) {
        stmt.error.visitExpression(this, context);
        return stmt;
    }
    visitAllStatements(stmts, context) {
        stmts.forEach(stmt => stmt.visitStatement(this, context));
    }
}
function findReadVarNames(stmts) {
    const visitor = new _ReadVarVisitor();
    visitor.visitAllStatements(stmts, null);
    return visitor.varNames;
}
class _ReadVarVisitor extends RecursiveAstVisitor {
    constructor() {
        super(...arguments);
        this.varNames = new Set();
    }
    visitDeclareFunctionStmt(stmt, context) {
        // Don't descend into nested functions
        return stmt;
    }
    visitDeclareClassStmt(stmt, context) {
        // Don't descend into nested classes
        return stmt;
    }
    visitReadVarExpr(ast, context) {
        if (ast.name) {
            this.varNames.add(ast.name);
        }
        return null;
    }
}
function collectExternalReferences(stmts) {
    const visitor = new _FindExternalReferencesVisitor();
    visitor.visitAllStatements(stmts, null);
    return visitor.externalReferences;
}
class _FindExternalReferencesVisitor extends RecursiveAstVisitor {
    constructor() {
        super(...arguments);
        this.externalReferences = [];
    }
    visitExternalExpr(e, context) {
        this.externalReferences.push(e.value);
        return super.visitExternalExpr(e, context);
    }
}
function applySourceSpanToStatementIfNeeded(stmt, sourceSpan) {
    if (!sourceSpan) {
        return stmt;
    }
    const transformer = new _ApplySourceSpanTransformer(sourceSpan);
    return stmt.visitStatement(transformer, null);
}
function applySourceSpanToExpressionIfNeeded(expr, sourceSpan) {
    if (!sourceSpan) {
        return expr;
    }
    const transformer = new _ApplySourceSpanTransformer(sourceSpan);
    return expr.visitExpression(transformer, null);
}
class _ApplySourceSpanTransformer extends AstTransformer {
    constructor(sourceSpan) {
        super();
        this.sourceSpan = sourceSpan;
    }
    _clone(obj) {
        const clone = Object.create(obj.constructor.prototype);
        for (let prop of Object.keys(obj)) {
            clone[prop] = obj[prop];
        }
        return clone;
    }
    transformExpr(expr, context) {
        if (!expr.sourceSpan) {
            expr = this._clone(expr);
            expr.sourceSpan = this.sourceSpan;
        }
        return expr;
    }
    transformStmt(stmt, context) {
        if (!stmt.sourceSpan) {
            stmt = this._clone(stmt);
            stmt.sourceSpan = this.sourceSpan;
        }
        return stmt;
    }
}
function leadingComment(text, multiline = false, trailingNewline = true) {
    return new LeadingComment(text, multiline, trailingNewline);
}
function jsDocComment(tags = []) {
    return new JSDocComment(tags);
}
function variable(name, type, sourceSpan) {
    return new ReadVarExpr(name, type, sourceSpan);
}
function importExpr(id, typeParams = null, sourceSpan) {
    return new ExternalExpr(id, null, typeParams, sourceSpan);
}
function importType(id, typeParams, typeModifiers) {
    return id != null ? expressionType(importExpr(id, typeParams, null), typeModifiers) : null;
}
function expressionType(expr, typeModifiers, typeParams) {
    return new ExpressionType(expr, typeModifiers, typeParams);
}
function typeofExpr(expr) {
    return new TypeofExpr(expr);
}
function literalArr(values, type, sourceSpan) {
    return new LiteralArrayExpr(values, type, sourceSpan);
}
function literalMap(values, type = null) {
    return new LiteralMapExpr(values.map(e => new LiteralMapEntry(e.key, e.value, e.quoted)), type, null);
}
function unary(operator, expr, type, sourceSpan) {
    return new UnaryOperatorExpr(operator, expr, type, sourceSpan);
}
function not(expr, sourceSpan) {
    return new NotExpr(expr, sourceSpan);
}
function assertNotNull(expr, sourceSpan) {
    return new AssertNotNull(expr, sourceSpan);
}
function fn(params, body, type, sourceSpan, name) {
    return new FunctionExpr(params, body, type, sourceSpan, name);
}
function ifStmt(condition, thenClause, elseClause, sourceSpan, leadingComments) {
    return new IfStmt(condition, thenClause, elseClause, sourceSpan, leadingComments);
}
function taggedTemplate(tag, template, type, sourceSpan) {
    return new TaggedTemplateExpr(tag, template, type, sourceSpan);
}
function literal(value, type, sourceSpan) {
    return new LiteralExpr(value, type, sourceSpan);
}
function localizedString(metaBlock, messageParts, placeholderNames, expressions, sourceSpan) {
    return new LocalizedString(metaBlock, messageParts, placeholderNames, expressions, sourceSpan);
}
function isNull(exp) {
    return exp instanceof LiteralExpr && exp.value === null;
}
/*
 * Serializes a `Tag` into a string.
 * Returns a string like " @foo {bar} baz" (note the leading whitespace before `@foo`).
 */
function tagToString(tag) {
    let out = '';
    if (tag.tagName) {
        out += ` @${tag.tagName}`;
    }
    if (tag.text) {
        if (tag.text.match(/\/\*|\*\//)) {
            throw new Error('JSDoc text cannot contain "/*" and "*/"');
        }
        out += ' ' + tag.text.replace(/@/g, '\\@');
    }
    return out;
}
function serializeTags(tags) {
    if (tags.length === 0)
        return '';
    if (tags.length === 1 && tags[0].tagName && !tags[0].text) {
        // The JSDOC comment is a single simple tag: e.g `/** @tagname */`.
        return `*${tagToString(tags[0])} `;
    }
    let out = '*\n';
    for (const tag of tags) {
        out += ' *';
        // If the tagToString is multi-line, insert " * " prefixes on lines.
        out += tagToString(tag).replace(/\n/g, '\n * ');
        out += '\n';
    }
    out += ' ';
    return out;
}

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
const CONSTANT_PREFIX = '_c';
/**
 * `ConstantPool` tries to reuse literal factories when two or more literals are identical.
 * We determine whether literals are identical by creating a key out of their AST using the
 * `KeyVisitor`. This constant is used to replace dynamic expressions which can't be safely
 * converted into a key. E.g. given an expression `{foo: bar()}`, since we don't know what
 * the result of `bar` will be, we create a key that looks like `{foo: <unknown>}`. Note
 * that we use a variable, rather than something like `null` in order to avoid collisions.
 */
const UNKNOWN_VALUE_KEY = variable('<unknown>');
/**
 * Context to use when producing a key.
 *
 * This ensures we see the constant not the reference variable when producing
 * a key.
 */
const KEY_CONTEXT = {};
/**
 * Generally all primitive values are excluded from the `ConstantPool`, but there is an exclusion
 * for strings that reach a certain length threshold. This constant defines the length threshold for
 * strings.
 */
const POOL_INCLUSION_LENGTH_THRESHOLD_FOR_STRINGS = 50;
/**
 * A node that is a place-holder that allows the node to be replaced when the actual
 * node is known.
 *
 * This allows the constant pool to change an expression from a direct reference to
 * a constant to a shared constant. It returns a fix-up node that is later allowed to
 * change the referenced expression.
 */
class FixupExpression extends Expression {
    constructor(resolved) {
        super(resolved.type);
        this.resolved = resolved;
        this.original = resolved;
    }
    visitExpression(visitor, context) {
        if (context === KEY_CONTEXT) {
            // When producing a key we want to traverse the constant not the
            // variable used to refer to it.
            return this.original.visitExpression(visitor, context);
        }
        else {
            return this.resolved.visitExpression(visitor, context);
        }
    }
    isEquivalent(e) {
        return e instanceof FixupExpression && this.resolved.isEquivalent(e.resolved);
    }
    isConstant() {
        return true;
    }
    fixup(expression) {
        this.resolved = expression;
        this.shared = true;
    }
}
/**
 * A constant pool allows a code emitter to share constant in an output context.
 *
 * The constant pool also supports sharing access to ivy definitions references.
 */
class ConstantPool {
    constructor(isClosureCompilerEnabled = false) {
        this.isClosureCompilerEnabled = isClosureCompilerEnabled;
        this.statements = [];
        this.literals = new Map();
        this.literalFactories = new Map();
        this.injectorDefinitions = new Map();
        this.directiveDefinitions = new Map();
        this.componentDefinitions = new Map();
        this.pipeDefinitions = new Map();
        this.nextNameIndex = 0;
    }
    getConstLiteral(literal, forceShared) {
        if ((literal instanceof LiteralExpr && !isLongStringLiteral(literal)) ||
            literal instanceof FixupExpression) {
            // Do no put simple literals into the constant pool or try to produce a constant for a
            // reference to a constant.
            return literal;
        }
        const key = this.keyOf(literal);
        let fixup = this.literals.get(key);
        let newValue = false;
        if (!fixup) {
            fixup = new FixupExpression(literal);
            this.literals.set(key, fixup);
            newValue = true;
        }
        if ((!newValue && !fixup.shared) || (newValue && forceShared)) {
            // Replace the expression with a variable
            const name = this.freshName();
            let definition;
            let usage;
            if (this.isClosureCompilerEnabled && isLongStringLiteral(literal)) {
                // For string literals, Closure will **always** inline the string at
                // **all** usages, duplicating it each time. For large strings, this
                // unnecessarily bloats bundle size. To work around this restriction, we
                // wrap the string in a function, and call that function for each usage.
                // This tricks Closure into using inline logic for functions instead of
                // string literals. Function calls are only inlined if the body is small
                // enough to be worth it. By doing this, very large strings will be
                // shared across multiple usages, rather than duplicating the string at
                // each usage site.
                //
                // const myStr = function() { return "very very very long string"; };
                // const usage1 = myStr();
                // const usage2 = myStr();
                definition = variable(name).set(new FunctionExpr([], // Params.
                [
                    // Statements.
                    new ReturnStatement(literal),
                ]));
                usage = variable(name).callFn([]);
            }
            else {
                // Just declare and use the variable directly, without a function call
                // indirection. This saves a few bytes and avoids an unncessary call.
                definition = variable(name).set(literal);
                usage = variable(name);
            }
            this.statements.push(definition.toDeclStmt(INFERRED_TYPE, [StmtModifier.Final]));
            fixup.fixup(usage);
        }
        return fixup;
    }
    getDefinition(type, kind, ctx, forceShared = false) {
        const definitions = this.definitionsOf(kind);
        let fixup = definitions.get(type);
        let newValue = false;
        if (!fixup) {
            const property = this.propertyNameOf(kind);
            fixup = new FixupExpression(ctx.importExpr(type).prop(property));
            definitions.set(type, fixup);
            newValue = true;
        }
        if ((!newValue && !fixup.shared) || (newValue && forceShared)) {
            const name = this.freshName();
            this.statements.push(variable(name).set(fixup.resolved).toDeclStmt(INFERRED_TYPE, [StmtModifier.Final]));
            fixup.fixup(variable(name));
        }
        return fixup;
    }
    getLiteralFactory(literal) {
        // Create a pure function that builds an array of a mix of constant and variable expressions
        if (literal instanceof LiteralArrayExpr) {
            const argumentsForKey = literal.entries.map(e => e.isConstant() ? e : UNKNOWN_VALUE_KEY);
            const key = this.keyOf(literalArr(argumentsForKey));
            return this._getLiteralFactory(key, literal.entries, entries => literalArr(entries));
        }
        else {
            const expressionForKey = literalMap(literal.entries.map(e => ({
                key: e.key,
                value: e.value.isConstant() ? e.value : UNKNOWN_VALUE_KEY,
                quoted: e.quoted
            })));
            const key = this.keyOf(expressionForKey);
            return this._getLiteralFactory(key, literal.entries.map(e => e.value), entries => literalMap(entries.map((value, index) => ({
                key: literal.entries[index].key,
                value,
                quoted: literal.entries[index].quoted
            }))));
        }
    }
    _getLiteralFactory(key, values, resultMap) {
        let literalFactory = this.literalFactories.get(key);
        const literalFactoryArguments = values.filter((e => !e.isConstant()));
        if (!literalFactory) {
            const resultExpressions = values.map((e, index) => e.isConstant() ? this.getConstLiteral(e, true) : variable(`a${index}`));
            const parameters = resultExpressions.filter(isVariable).map(e => new FnParam(e.name, DYNAMIC_TYPE));
            const pureFunctionDeclaration = fn(parameters, [new ReturnStatement(resultMap(resultExpressions))], INFERRED_TYPE);
            const name = this.freshName();
            this.statements.push(variable(name).set(pureFunctionDeclaration).toDeclStmt(INFERRED_TYPE, [
                StmtModifier.Final
            ]));
            literalFactory = variable(name);
            this.literalFactories.set(key, literalFactory);
        }
        return { literalFactory, literalFactoryArguments };
    }
    /**
     * Produce a unique name.
     *
     * The name might be unique among different prefixes if any of the prefixes end in
     * a digit so the prefix should be a constant string (not based on user input) and
     * must not end in a digit.
     */
    uniqueName(prefix) {
        return `${prefix}${this.nextNameIndex++}`;
    }
    definitionsOf(kind) {
        switch (kind) {
            case 2 /* Component */:
                return this.componentDefinitions;
            case 1 /* Directive */:
                return this.directiveDefinitions;
            case 0 /* Injector */:
                return this.injectorDefinitions;
            case 3 /* Pipe */:
                return this.pipeDefinitions;
        }
    }
    propertyNameOf(kind) {
        switch (kind) {
            case 2 /* Component */:
                return 'ɵcmp';
            case 1 /* Directive */:
                return 'ɵdir';
            case 0 /* Injector */:
                return 'ɵinj';
            case 3 /* Pipe */:
                return 'ɵpipe';
        }
    }
    freshName() {
        return this.uniqueName(CONSTANT_PREFIX);
    }
    keyOf(expression) {
        return expression.visitExpression(new KeyVisitor(), KEY_CONTEXT);
    }
}
/**
 * Visitor used to determine if 2 expressions are equivalent and can be shared in the
 * `ConstantPool`.
 *
 * When the id (string) generated by the visitor is equal, expressions are considered equivalent.
 */
class KeyVisitor {
    constructor() {
        this.visitWrappedNodeExpr = invalid;
        this.visitWriteVarExpr = invalid;
        this.visitWriteKeyExpr = invalid;
        this.visitWritePropExpr = invalid;
        this.visitInvokeMethodExpr = invalid;
        this.visitInvokeFunctionExpr = invalid;
        this.visitTaggedTemplateExpr = invalid;
        this.visitInstantiateExpr = invalid;
        this.visitConditionalExpr = invalid;
        this.visitNotExpr = invalid;
        this.visitAssertNotNullExpr = invalid;
        this.visitCastExpr = invalid;
        this.visitFunctionExpr = invalid;
        this.visitUnaryOperatorExpr = invalid;
        this.visitBinaryOperatorExpr = invalid;
        this.visitReadPropExpr = invalid;
        this.visitReadKeyExpr = invalid;
        this.visitCommaExpr = invalid;
        this.visitLocalizedString = invalid;
    }
    visitLiteralExpr(ast) {
        return `${typeof ast.value === 'string' ? '"' + ast.value + '"' : ast.value}`;
    }
    visitLiteralArrayExpr(ast, context) {
        return `[${ast.entries.map(entry => entry.visitExpression(this, context)).join(',')}]`;
    }
    visitLiteralMapExpr(ast, context) {
        const mapKey = (entry) => {
            const quote = entry.quoted ? '"' : '';
            return `${quote}${entry.key}${quote}`;
        };
        const mapEntry = (entry) => `${mapKey(entry)}:${entry.value.visitExpression(this, context)}`;
        return `{${ast.entries.map(mapEntry).join(',')}`;
    }
    visitExternalExpr(ast) {
        return ast.value.moduleName ? `EX:${ast.value.moduleName}:${ast.value.name}` :
            `EX:${ast.value.runtime.name}`;
    }
    visitReadVarExpr(node) {
        return `VAR:${node.name}`;
    }
    visitTypeofExpr(node, context) {
        return `TYPEOF:${node.expr.visitExpression(this, context)}`;
    }
}
function invalid(arg) {
    throw new Error(`Invalid state: Visitor ${this.constructor.name} doesn't handle ${arg.constructor.name}`);
}
function isVariable(e) {
    return e instanceof ReadVarExpr;
}
function isLongStringLiteral(expr) {
    return expr instanceof LiteralExpr && typeof expr.value === 'string' &&
        expr.value.length >= POOL_INCLUSION_LENGTH_THRESHOLD_FOR_STRINGS;
}

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
const CORE = '@angular/core';
class Identifiers {
}
/* Methods */
Identifiers.NEW_METHOD = 'factory';
Identifiers.TRANSFORM_METHOD = 'transform';
Identifiers.PATCH_DEPS = 'patchedDeps';
Identifiers.core = { name: null, moduleName: CORE };
/* Instructions */
Identifiers.namespaceHTML = { name: 'ɵɵnamespaceHTML', moduleName: CORE };
Identifiers.namespaceMathML = { name: 'ɵɵnamespaceMathML', moduleName: CORE };
Identifiers.namespaceSVG = { name: 'ɵɵnamespaceSVG', moduleName: CORE };
Identifiers.element = { name: 'ɵɵelement', moduleName: CORE };
Identifiers.elementStart = { name: 'ɵɵelementStart', moduleName: CORE };
Identifiers.elementEnd = { name: 'ɵɵelementEnd', moduleName: CORE };
Identifiers.advance = { name: 'ɵɵadvance', moduleName: CORE };
Identifiers.syntheticHostProperty = { name: 'ɵɵsyntheticHostProperty', moduleName: CORE };
Identifiers.syntheticHostListener = { name: 'ɵɵsyntheticHostListener', moduleName: CORE };
Identifiers.attribute = { name: 'ɵɵattribute', moduleName: CORE };
Identifiers.attributeInterpolate1 = { name: 'ɵɵattributeInterpolate1', moduleName: CORE };
Identifiers.attributeInterpolate2 = { name: 'ɵɵattributeInterpolate2', moduleName: CORE };
Identifiers.attributeInterpolate3 = { name: 'ɵɵattributeInterpolate3', moduleName: CORE };
Identifiers.attributeInterpolate4 = { name: 'ɵɵattributeInterpolate4', moduleName: CORE };
Identifiers.attributeInterpolate5 = { name: 'ɵɵattributeInterpolate5', moduleName: CORE };
Identifiers.attributeInterpolate6 = { name: 'ɵɵattributeInterpolate6', moduleName: CORE };
Identifiers.attributeInterpolate7 = { name: 'ɵɵattributeInterpolate7', moduleName: CORE };
Identifiers.attributeInterpolate8 = { name: 'ɵɵattributeInterpolate8', moduleName: CORE };
Identifiers.attributeInterpolateV = { name: 'ɵɵattributeInterpolateV', moduleName: CORE };
Identifiers.classProp = { name: 'ɵɵclassProp', moduleName: CORE };
Identifiers.elementContainerStart = { name: 'ɵɵelementContainerStart', moduleName: CORE };
Identifiers.elementContainerEnd = { name: 'ɵɵelementContainerEnd', moduleName: CORE };
Identifiers.elementContainer = { name: 'ɵɵelementContainer', moduleName: CORE };
Identifiers.styleMap = { name: 'ɵɵstyleMap', moduleName: CORE };
Identifiers.styleMapInterpolate1 = { name: 'ɵɵstyleMapInterpolate1', moduleName: CORE };
Identifiers.styleMapInterpolate2 = { name: 'ɵɵstyleMapInterpolate2', moduleName: CORE };
Identifiers.styleMapInterpolate3 = { name: 'ɵɵstyleMapInterpolate3', moduleName: CORE };
Identifiers.styleMapInterpolate4 = { name: 'ɵɵstyleMapInterpolate4', moduleName: CORE };
Identifiers.styleMapInterpolate5 = { name: 'ɵɵstyleMapInterpolate5', moduleName: CORE };
Identifiers.styleMapInterpolate6 = { name: 'ɵɵstyleMapInterpolate6', moduleName: CORE };
Identifiers.styleMapInterpolate7 = { name: 'ɵɵstyleMapInterpolate7', moduleName: CORE };
Identifiers.styleMapInterpolate8 = { name: 'ɵɵstyleMapInterpolate8', moduleName: CORE };
Identifiers.styleMapInterpolateV = { name: 'ɵɵstyleMapInterpolateV', moduleName: CORE };
Identifiers.classMap = { name: 'ɵɵclassMap', moduleName: CORE };
Identifiers.classMapInterpolate1 = { name: 'ɵɵclassMapInterpolate1', moduleName: CORE };
Identifiers.classMapInterpolate2 = { name: 'ɵɵclassMapInterpolate2', moduleName: CORE };
Identifiers.classMapInterpolate3 = { name: 'ɵɵclassMapInterpolate3', moduleName: CORE };
Identifiers.classMapInterpolate4 = { name: 'ɵɵclassMapInterpolate4', moduleName: CORE };
Identifiers.classMapInterpolate5 = { name: 'ɵɵclassMapInterpolate5', moduleName: CORE };
Identifiers.classMapInterpolate6 = { name: 'ɵɵclassMapInterpolate6', moduleName: CORE };
Identifiers.classMapInterpolate7 = { name: 'ɵɵclassMapInterpolate7', moduleName: CORE };
Identifiers.classMapInterpolate8 = { name: 'ɵɵclassMapInterpolate8', moduleName: CORE };
Identifiers.classMapInterpolateV = { name: 'ɵɵclassMapInterpolateV', moduleName: CORE };
Identifiers.styleProp = { name: 'ɵɵstyleProp', moduleName: CORE };
Identifiers.stylePropInterpolate1 = { name: 'ɵɵstylePropInterpolate1', moduleName: CORE };
Identifiers.stylePropInterpolate2 = { name: 'ɵɵstylePropInterpolate2', moduleName: CORE };
Identifiers.stylePropInterpolate3 = { name: 'ɵɵstylePropInterpolate3', moduleName: CORE };
Identifiers.stylePropInterpolate4 = { name: 'ɵɵstylePropInterpolate4', moduleName: CORE };
Identifiers.stylePropInterpolate5 = { name: 'ɵɵstylePropInterpolate5', moduleName: CORE };
Identifiers.stylePropInterpolate6 = { name: 'ɵɵstylePropInterpolate6', moduleName: CORE };
Identifiers.stylePropInterpolate7 = { name: 'ɵɵstylePropInterpolate7', moduleName: CORE };
Identifiers.stylePropInterpolate8 = { name: 'ɵɵstylePropInterpolate8', moduleName: CORE };
Identifiers.stylePropInterpolateV = { name: 'ɵɵstylePropInterpolateV', moduleName: CORE };
Identifiers.nextContext = { name: 'ɵɵnextContext', moduleName: CORE };
Identifiers.templateCreate = { name: 'ɵɵtemplate', moduleName: CORE };
Identifiers.text = { name: 'ɵɵtext', moduleName: CORE };
Identifiers.enableBindings = { name: 'ɵɵenableBindings', moduleName: CORE };
Identifiers.disableBindings = { name: 'ɵɵdisableBindings', moduleName: CORE };
Identifiers.getCurrentView = { name: 'ɵɵgetCurrentView', moduleName: CORE };
Identifiers.textInterpolate = { name: 'ɵɵtextInterpolate', moduleName: CORE };
Identifiers.textInterpolate1 = { name: 'ɵɵtextInterpolate1', moduleName: CORE };
Identifiers.textInterpolate2 = { name: 'ɵɵtextInterpolate2', moduleName: CORE };
Identifiers.textInterpolate3 = { name: 'ɵɵtextInterpolate3', moduleName: CORE };
Identifiers.textInterpolate4 = { name: 'ɵɵtextInterpolate4', moduleName: CORE };
Identifiers.textInterpolate5 = { name: 'ɵɵtextInterpolate5', moduleName: CORE };
Identifiers.textInterpolate6 = { name: 'ɵɵtextInterpolate6', moduleName: CORE };
Identifiers.textInterpolate7 = { name: 'ɵɵtextInterpolate7', moduleName: CORE };
Identifiers.textInterpolate8 = { name: 'ɵɵtextInterpolate8', moduleName: CORE };
Identifiers.textInterpolateV = { name: 'ɵɵtextInterpolateV', moduleName: CORE };
Identifiers.restoreView = { name: 'ɵɵrestoreView', moduleName: CORE };
Identifiers.pureFunction0 = { name: 'ɵɵpureFunction0', moduleName: CORE };
Identifiers.pureFunction1 = { name: 'ɵɵpureFunction1', moduleName: CORE };
Identifiers.pureFunction2 = { name: 'ɵɵpureFunction2', moduleName: CORE };
Identifiers.pureFunction3 = { name: 'ɵɵpureFunction3', moduleName: CORE };
Identifiers.pureFunction4 = { name: 'ɵɵpureFunction4', moduleName: CORE };
Identifiers.pureFunction5 = { name: 'ɵɵpureFunction5', moduleName: CORE };
Identifiers.pureFunction6 = { name: 'ɵɵpureFunction6', moduleName: CORE };
Identifiers.pureFunction7 = { name: 'ɵɵpureFunction7', moduleName: CORE };
Identifiers.pureFunction8 = { name: 'ɵɵpureFunction8', moduleName: CORE };
Identifiers.pureFunctionV = { name: 'ɵɵpureFunctionV', moduleName: CORE };
Identifiers.pipeBind1 = { name: 'ɵɵpipeBind1', moduleName: CORE };
Identifiers.pipeBind2 = { name: 'ɵɵpipeBind2', moduleName: CORE };
Identifiers.pipeBind3 = { name: 'ɵɵpipeBind3', moduleName: CORE };
Identifiers.pipeBind4 = { name: 'ɵɵpipeBind4', moduleName: CORE };
Identifiers.pipeBindV = { name: 'ɵɵpipeBindV', moduleName: CORE };
Identifiers.hostProperty = { name: 'ɵɵhostProperty', moduleName: CORE };
Identifiers.property = { name: 'ɵɵproperty', moduleName: CORE };
Identifiers.propertyInterpolate = { name: 'ɵɵpropertyInterpolate', moduleName: CORE };
Identifiers.propertyInterpolate1 = { name: 'ɵɵpropertyInterpolate1', moduleName: CORE };
Identifiers.propertyInterpolate2 = { name: 'ɵɵpropertyInterpolate2', moduleName: CORE };
Identifiers.propertyInterpolate3 = { name: 'ɵɵpropertyInterpolate3', moduleName: CORE };
Identifiers.propertyInterpolate4 = { name: 'ɵɵpropertyInterpolate4', moduleName: CORE };
Identifiers.propertyInterpolate5 = { name: 'ɵɵpropertyInterpolate5', moduleName: CORE };
Identifiers.propertyInterpolate6 = { name: 'ɵɵpropertyInterpolate6', moduleName: CORE };
Identifiers.propertyInterpolate7 = { name: 'ɵɵpropertyInterpolate7', moduleName: CORE };
Identifiers.propertyInterpolate8 = { name: 'ɵɵpropertyInterpolate8', moduleName: CORE };
Identifiers.propertyInterpolateV = { name: 'ɵɵpropertyInterpolateV', moduleName: CORE };
Identifiers.i18n = { name: 'ɵɵi18n', moduleName: CORE };
Identifiers.i18nAttributes = { name: 'ɵɵi18nAttributes', moduleName: CORE };
Identifiers.i18nExp = { name: 'ɵɵi18nExp', moduleName: CORE };
Identifiers.i18nStart = { name: 'ɵɵi18nStart', moduleName: CORE };
Identifiers.i18nEnd = { name: 'ɵɵi18nEnd', moduleName: CORE };
Identifiers.i18nApply = { name: 'ɵɵi18nApply', moduleName: CORE };
Identifiers.i18nPostprocess = { name: 'ɵɵi18nPostprocess', moduleName: CORE };
Identifiers.pipe = { name: 'ɵɵpipe', moduleName: CORE };
Identifiers.projection = { name: 'ɵɵprojection', moduleName: CORE };
Identifiers.projectionDef = { name: 'ɵɵprojectionDef', moduleName: CORE };
Identifiers.reference = { name: 'ɵɵreference', moduleName: CORE };
Identifiers.inject = { name: 'ɵɵinject', moduleName: CORE };
Identifiers.injectAttribute = { name: 'ɵɵinjectAttribute', moduleName: CORE };
Identifiers.directiveInject = { name: 'ɵɵdirectiveInject', moduleName: CORE };
Identifiers.invalidFactory = { name: 'ɵɵinvalidFactory', moduleName: CORE };
Identifiers.invalidFactoryDep = { name: 'ɵɵinvalidFactoryDep', moduleName: CORE };
Identifiers.templateRefExtractor = { name: 'ɵɵtemplateRefExtractor', moduleName: CORE };
Identifiers.forwardRef = { name: 'forwardRef', moduleName: CORE };
Identifiers.resolveForwardRef = { name: 'resolveForwardRef', moduleName: CORE };
Identifiers.ɵɵdefineInjectable = { name: 'ɵɵdefineInjectable', moduleName: CORE };
Identifiers.declareInjectable = { name: 'ɵɵngDeclareInjectable', moduleName: CORE };
Identifiers.InjectableDeclaration = { name: 'ɵɵInjectableDeclaration', moduleName: CORE };
Identifiers.resolveWindow = { name: 'ɵɵresolveWindow', moduleName: CORE };
Identifiers.resolveDocument = { name: 'ɵɵresolveDocument', moduleName: CORE };
Identifiers.resolveBody = { name: 'ɵɵresolveBody', moduleName: CORE };
Identifiers.defineComponent = { name: 'ɵɵdefineComponent', moduleName: CORE };
Identifiers.declareComponent = { name: 'ɵɵngDeclareComponent', moduleName: CORE };
Identifiers.setComponentScope = { name: 'ɵɵsetComponentScope', moduleName: CORE };
Identifiers.ChangeDetectionStrategy = {
    name: 'ChangeDetectionStrategy',
    moduleName: CORE,
};
Identifiers.ViewEncapsulation = {
    name: 'ViewEncapsulation',
    moduleName: CORE,
};
Identifiers.ComponentDeclaration = {
    name: 'ɵɵComponentDeclaration',
    moduleName: CORE,
};
Identifiers.FactoryDeclaration = {
    name: 'ɵɵFactoryDeclaration',
    moduleName: CORE,
};
Identifiers.declareFactory = { name: 'ɵɵngDeclareFactory', moduleName: CORE };
Identifiers.FactoryTarget = { name: 'ɵɵFactoryTarget', moduleName: CORE };
Identifiers.defineDirective = { name: 'ɵɵdefineDirective', moduleName: CORE };
Identifiers.declareDirective = { name: 'ɵɵngDeclareDirective', moduleName: CORE };
Identifiers.DirectiveDeclaration = {
    name: 'ɵɵDirectiveDeclaration',
    moduleName: CORE,
};
Identifiers.InjectorDef = { name: 'ɵɵInjectorDef', moduleName: CORE };
Identifiers.InjectorDeclaration = { name: 'ɵɵInjectorDeclaration', moduleName: CORE };
Identifiers.defineInjector = { name: 'ɵɵdefineInjector', moduleName: CORE };
Identifiers.declareInjector = { name: 'ɵɵngDeclareInjector', moduleName: CORE };
Identifiers.NgModuleDeclaration = {
    name: 'ɵɵNgModuleDeclaration',
    moduleName: CORE,
};
Identifiers.ModuleWithProviders = {
    name: 'ModuleWithProviders',
    moduleName: CORE,
};
Identifiers.defineNgModule = { name: 'ɵɵdefineNgModule', moduleName: CORE };
Identifiers.declareNgModule = { name: 'ɵɵngDeclareNgModule', moduleName: CORE };
Identifiers.setNgModuleScope = { name: 'ɵɵsetNgModuleScope', moduleName: CORE };
Identifiers.PipeDeclaration = { name: 'ɵɵPipeDeclaration', moduleName: CORE };
Identifiers.definePipe = { name: 'ɵɵdefinePipe', moduleName: CORE };
Identifiers.declarePipe = { name: 'ɵɵngDeclarePipe', moduleName: CORE };
Identifiers.declareClassMetadata = { name: 'ɵɵngDeclareClassMetadata', moduleName: CORE };
Identifiers.setClassMetadata = { name: 'ɵsetClassMetadata', moduleName: CORE };
Identifiers.queryRefresh = { name: 'ɵɵqueryRefresh', moduleName: CORE };
Identifiers.viewQuery = { name: 'ɵɵviewQuery', moduleName: CORE };
Identifiers.loadQuery = { name: 'ɵɵloadQuery', moduleName: CORE };
Identifiers.contentQuery = { name: 'ɵɵcontentQuery', moduleName: CORE };
Identifiers.NgOnChangesFeature = { name: 'ɵɵNgOnChangesFeature', moduleName: CORE };
Identifiers.InheritDefinitionFeature = { name: 'ɵɵInheritDefinitionFeature', moduleName: CORE };
Identifiers.CopyDefinitionFeature = { name: 'ɵɵCopyDefinitionFeature', moduleName: CORE };
Identifiers.ProvidersFeature = { name: 'ɵɵProvidersFeature', moduleName: CORE };
Identifiers.listener = { name: 'ɵɵlistener', moduleName: CORE };
Identifiers.getInheritedFactory = {
    name: 'ɵɵgetInheritedFactory',
    moduleName: CORE,
};
// sanitization-related functions
Identifiers.sanitizeHtml = { name: 'ɵɵsanitizeHtml', moduleName: CORE };
Identifiers.sanitizeStyle = { name: 'ɵɵsanitizeStyle', moduleName: CORE };
Identifiers.sanitizeResourceUrl = { name: 'ɵɵsanitizeResourceUrl', moduleName: CORE };
Identifiers.sanitizeScript = { name: 'ɵɵsanitizeScript', moduleName: CORE };
Identifiers.sanitizeUrl = { name: 'ɵɵsanitizeUrl', moduleName: CORE };
Identifiers.sanitizeUrlOrResourceUrl = { name: 'ɵɵsanitizeUrlOrResourceUrl', moduleName: CORE };
Identifiers.trustConstantHtml = { name: 'ɵɵtrustConstantHtml', moduleName: CORE };
Identifiers.trustConstantResourceUrl = { name: 'ɵɵtrustConstantResourceUrl', moduleName: CORE };

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
const DASH_CASE_REGEXP = /-+([a-z0-9])/g;
function dashCaseToCamelCase(input) {
    return input.replace(DASH_CASE_REGEXP, (...m) => m[1].toUpperCase());
}
function splitAtColon(input, defaultValues) {
    return _splitAt(input, ':', defaultValues);
}
function splitAtPeriod(input, defaultValues) {
    return _splitAt(input, '.', defaultValues);
}
function _splitAt(input, character, defaultValues) {
    const characterIndex = input.indexOf(character);
    if (characterIndex == -1)
        return defaultValues;
    return [input.slice(0, characterIndex).trim(), input.slice(characterIndex + 1).trim()];
}
function visitValue(value, visitor, context) {
    if (Array.isArray(value)) {
        return visitor.visitArray(value, context);
    }
    if (isStrictStringMap(value)) {
        return visitor.visitStringMap(value, context);
    }
    if (value == null || typeof value == 'string' || typeof value == 'number' ||
        typeof value == 'boolean') {
        return visitor.visitPrimitive(value, context);
    }
    return visitor.visitOther(value, context);
}
function isDefined(val) {
    return val !== null && val !== undefined;
}
function noUndefined(val) {
    return val === undefined ? null : val;
}
class ValueTransformer {
    visitArray(arr, context) {
        return arr.map(value => visitValue(value, this, context));
    }
    visitStringMap(map, context) {
        const result = {};
        Object.keys(map).forEach(key => {
            result[key] = visitValue(map[key], this, context);
        });
        return result;
    }
    visitPrimitive(value, context) {
        return value;
    }
    visitOther(value, context) {
        return value;
    }
}
const SyncAsync = {
    assertSync: (value) => {
        if (isPromise(value)) {
            throw new Error(`Illegal state: value cannot be a promise`);
        }
        return value;
    },
    then: (value, cb) => {
        return isPromise(value) ? value.then(cb) : cb(value);
    },
    all: (syncAsyncValues) => {
        return syncAsyncValues.some(isPromise) ? Promise.all(syncAsyncValues) : syncAsyncValues;
    }
};
function error(msg) {
    throw new Error(`Internal Error: ${msg}`);
}
function syntaxError(msg, parseErrors) {
    const error = Error(msg);
    error[ERROR_SYNTAX_ERROR] = true;
    if (parseErrors)
        error[ERROR_PARSE_ERRORS] = parseErrors;
    return error;
}
const ERROR_SYNTAX_ERROR = 'ngSyntaxError';
const ERROR_PARSE_ERRORS = 'ngParseErrors';
function isSyntaxError(error) {
    return error[ERROR_SYNTAX_ERROR];
}
function getParseErrors(error) {
    return error[ERROR_PARSE_ERRORS] || [];
}
// Escape characters that have a special meaning in Regular Expressions
function escapeRegExp(s) {
    return s.replace(/([.*+?^=!:${}()|[\]\/\\])/g, '\\$1');
}
const STRING_MAP_PROTO = Object.getPrototypeOf({});
function isStrictStringMap(obj) {
    return typeof obj === 'object' && obj !== null && Object.getPrototypeOf(obj) === STRING_MAP_PROTO;
}
function utf8Encode(str) {
    let encoded = [];
    for (let index = 0; index < str.length; index++) {
        let codePoint = str.charCodeAt(index);
        // decode surrogate
        // see https://mathiasbynens.be/notes/javascript-encoding#surrogate-formulae
        if (codePoint >= 0xd800 && codePoint <= 0xdbff && str.length > (index + 1)) {
            const low = str.charCodeAt(index + 1);
            if (low >= 0xdc00 && low <= 0xdfff) {
                index++;
                codePoint = ((codePoint - 0xd800) << 10) + low - 0xdc00 + 0x10000;
            }
        }
        if (codePoint <= 0x7f) {
            encoded.push(codePoint);
        }
        else if (codePoint <= 0x7ff) {
            encoded.push(((codePoint >> 6) & 0x1F) | 0xc0, (codePoint & 0x3f) | 0x80);
        }
        else if (codePoint <= 0xffff) {
            encoded.push((codePoint >> 12) | 0xe0, ((codePoint >> 6) & 0x3f) | 0x80, (codePoint & 0x3f) | 0x80);
        }
        else if (codePoint <= 0x1fffff) {
            encoded.push(((codePoint >> 18) & 0x07) | 0xf0, ((codePoint >> 12) & 0x3f) | 0x80, ((codePoint >> 6) & 0x3f) | 0x80, (codePoint & 0x3f) | 0x80);
        }
    }
    return encoded;
}
function stringify(token) {
    if (typeof token === 'string') {
        return token;
    }
    if (Array.isArray(token)) {
        return '[' + token.map(stringify).join(', ') + ']';
    }
    if (token == null) {
        return '' + token;
    }
    if (token.overriddenName) {
        return `${token.overriddenName}`;
    }
    if (token.name) {
        return `${token.name}`;
    }
    if (!token.toString) {
        return 'object';
    }
    // WARNING: do not try to `JSON.stringify(token)` here
    // see https://github.com/angular/angular/issues/23440
    const res = token.toString();
    if (res == null) {
        return '' + res;
    }
    const newLineIndex = res.indexOf('\n');
    return newLineIndex === -1 ? res : res.substring(0, newLineIndex);
}
/**
 * Lazily retrieves the reference value from a forwardRef.
 */
function resolveForwardRef(type) {
    if (typeof type === 'function' && type.hasOwnProperty('__forward_ref__')) {
        return type();
    }
    else {
        return type;
    }
}
/**
 * Determine if the argument is shaped like a Promise
 */
function isPromise(obj) {
    // allow any Promise/A+ compliant thenable.
    // It's up to the caller to ensure that obj.then conforms to the spec
    return !!obj && typeof obj.then === 'function';
}
class Version {
    constructor(full) {
        this.full = full;
        const splits = full.split('.');
        this.major = splits[0];
        this.minor = splits[1];
        this.patch = splits.slice(2).join('.');
    }
}
const __window = typeof window !== 'undefined' && window;
const __self = typeof self !== 'undefined' && typeof WorkerGlobalScope !== 'undefined' &&
    self instanceof WorkerGlobalScope && self;
const __global = typeof global !== 'undefined' && global;
// Check __global first, because in Node tests both __global and __window may be defined and _global
// should be __global in that case.
const _global = __global || __window || __self;
function newArray(size, value) {
    const list = [];
    for (let i = 0; i < size; i++) {
        list.push(value);
    }
    return list;
}
/**
 * Partitions a given array into 2 arrays, based on a boolean value returned by the condition
 * function.
 *
 * @param arr Input array that should be partitioned
 * @param conditionFn Condition function that is called for each item in a given array and returns a
 * boolean value.
 */
function partitionArray(arr, conditionFn) {
    const truthy = [];
    const falsy = [];
    for (const item of arr) {
        (conditionFn(item) ? truthy : falsy).push(item);
    }
    return [truthy, falsy];
}

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
/**
 * This is an R3 `Node`-like wrapper for a raw `html.Comment` node. We do not currently
 * require the implementation of a visitor for Comments as they are only collected at
 * the top-level of the R3 AST, and only if `Render3ParseOptions['collectCommentNodes']`
 * is true.
 */
class Comment {
    constructor(value, sourceSpan) {
        this.value = value;
        this.sourceSpan = sourceSpan;
    }
    visit(_visitor) {
        throw new Error('visit() not implemented for Comment');
    }
}
class Text {
    constructor(value, sourceSpan) {
        this.value = value;
        this.sourceSpan = sourceSpan;
    }
    visit(visitor) {
        return visitor.visitText(this);
    }
}
class BoundText {
    constructor(value, sourceSpan, i18n) {
        this.value = value;
        this.sourceSpan = sourceSpan;
        this.i18n = i18n;
    }
    visit(visitor) {
        return visitor.visitBoundText(this);
    }
}
/**
 * Represents a text attribute in the template.
 *
 * `valueSpan` may not be present in cases where there is no value `<div a></div>`.
 * `keySpan` may also not be present for synthetic attributes from ICU expansions.
 */
class TextAttribute {
    constructor(name, value, sourceSpan, keySpan, valueSpan, i18n) {
        this.name = name;
        this.value = value;
        this.sourceSpan = sourceSpan;
        this.keySpan = keySpan;
        this.valueSpan = valueSpan;
        this.i18n = i18n;
    }
    visit(visitor) {
        return visitor.visitTextAttribute(this);
    }
}
class BoundAttribute {
    constructor(name, type, securityContext, value, unit, sourceSpan, keySpan, valueSpan, i18n) {
        this.name = name;
        this.type = type;
        this.securityContext = securityContext;
        this.value = value;
        this.unit = unit;
        this.sourceSpan = sourceSpan;
        this.keySpan = keySpan;
        this.valueSpan = valueSpan;
        this.i18n = i18n;
    }
    static fromBoundElementProperty(prop, i18n) {
        if (prop.keySpan === undefined) {
            throw new Error(`Unexpected state: keySpan must be defined for bound attributes but was not for ${prop.name}: ${prop.sourceSpan}`);
        }
        return new BoundAttribute(prop.name, prop.type, prop.securityContext, prop.value, prop.unit, prop.sourceSpan, prop.keySpan, prop.valueSpan, i18n);
    }
    visit(visitor) {
        return visitor.visitBoundAttribute(this);
    }
}
class BoundEvent {
    constructor(name, type, handler, target, phase, sourceSpan, handlerSpan, keySpan) {
        this.name = name;
        this.type = type;
        this.handler = handler;
        this.target = target;
        this.phase = phase;
        this.sourceSpan = sourceSpan;
        this.handlerSpan = handlerSpan;
        this.keySpan = keySpan;
    }
    static fromParsedEvent(event) {
        const target = event.type === 0 /* Regular */ ? event.targetOrPhase : null;
        const phase = event.type === 1 /* Animation */ ? event.targetOrPhase : null;
        if (event.keySpan === undefined) {
            throw new Error(`Unexpected state: keySpan must be defined for bound event but was not for ${event.name}: ${event.sourceSpan}`);
        }
        return new BoundEvent(event.name, event.type, event.handler, target, phase, event.sourceSpan, event.handlerSpan, event.keySpan);
    }
    visit(visitor) {
        return visitor.visitBoundEvent(this);
    }
}
class Element {
    constructor(name, attributes, inputs, outputs, children, references, sourceSpan, startSourceSpan, endSourceSpan, i18n) {
        this.name = name;
        this.attributes = attributes;
        this.inputs = inputs;
        this.outputs = outputs;
        this.children = children;
        this.references = references;
        this.sourceSpan = sourceSpan;
        this.startSourceSpan = startSourceSpan;
        this.endSourceSpan = endSourceSpan;
        this.i18n = i18n;
    }
    visit(visitor) {
        return visitor.visitElement(this);
    }
}
class Template {
    constructor(tagName, attributes, inputs, outputs, templateAttrs, children, references, variables, sourceSpan, startSourceSpan, endSourceSpan, i18n) {
        this.tagName = tagName;
        this.attributes = attributes;
        this.inputs = inputs;
        this.outputs = outputs;
        this.templateAttrs = templateAttrs;
        this.children = children;
        this.references = references;
        this.variables = variables;
        this.sourceSpan = sourceSpan;
        this.startSourceSpan = startSourceSpan;
        this.endSourceSpan = endSourceSpan;
        this.i18n = i18n;
    }
    visit(visitor) {
        return visitor.visitTemplate(this);
    }
}
class Content {
    constructor(selector, attributes, sourceSpan, i18n) {
        this.selector = selector;
        this.attributes = attributes;
        this.sourceSpan = sourceSpan;
        this.i18n = i18n;
        this.name = 'ng-content';
    }
    visit(visitor) {
        return visitor.visitContent(this);
    }
}
class Variable {
    constructor(name, value, sourceSpan, keySpan, valueSpan) {
        this.name = name;
        this.value = value;
        this.sourceSpan = sourceSpan;
        this.keySpan = keySpan;
        this.valueSpan = valueSpan;
    }
    visit(visitor) {
        return visitor.visitVariable(this);
    }
}
class Reference {
    constructor(name, value, sourceSpan, keySpan, valueSpan) {
        this.name = name;
        this.value = value;
        this.sourceSpan = sourceSpan;
        this.keySpan = keySpan;
        this.valueSpan = valueSpan;
    }
    visit(visitor) {
        return visitor.visitReference(this);
    }
}
class Icu {
    constructor(vars, placeholders, sourceSpan, i18n) {
        this.vars = vars;
        this.placeholders = placeholders;
        this.sourceSpan = sourceSpan;
        this.i18n = i18n;
    }
    visit(visitor) {
        return visitor.visitIcu(this);
    }
}
class NullVisitor {
    visitElement(element) { }
    visitTemplate(template) { }
    visitContent(content) { }
    visitVariable(variable) { }
    visitReference(reference) { }
    visitTextAttribute(attribute) { }
    visitBoundAttribute(attribute) { }
    visitBoundEvent(attribute) { }
    visitText(text) { }
    visitBoundText(text) { }
    visitIcu(icu) { }
}
class RecursiveVisitor {
    visitElement(element) {
        visitAll(this, element.attributes);
        visitAll(this, element.children);
        visitAll(this, element.references);
    }
    visitTemplate(template) {
        visitAll(this, template.attributes);
        visitAll(this, template.children);
        visitAll(this, template.references);
        visitAll(this, template.variables);
    }
    visitContent(content) { }
    visitVariable(variable) { }
    visitReference(reference) { }
    visitTextAttribute(attribute) { }
    visitBoundAttribute(attribute) { }
    visitBoundEvent(attribute) { }
    visitText(text) { }
    visitBoundText(text) { }
    visitIcu(icu) { }
}
class TransformVisitor {
    visitElement(element) {
        const newAttributes = transformAll(this, element.attributes);
        const newInputs = transformAll(this, element.inputs);
        const newOutputs = transformAll(this, element.outputs);
        const newChildren = transformAll(this, element.children);
        const newReferences = transformAll(this, element.references);
        if (newAttributes != element.attributes || newInputs != element.inputs ||
            newOutputs != element.outputs || newChildren != element.children ||
            newReferences != element.references) {
            return new Element(element.name, newAttributes, newInputs, newOutputs, newChildren, newReferences, element.sourceSpan, element.startSourceSpan, element.endSourceSpan);
        }
        return element;
    }
    visitTemplate(template) {
        const newAttributes = transformAll(this, template.attributes);
        const newInputs = transformAll(this, template.inputs);
        const newOutputs = transformAll(this, template.outputs);
        const newTemplateAttrs = transformAll(this, template.templateAttrs);
        const newChildren = transformAll(this, template.children);
        const newReferences = transformAll(this, template.references);
        const newVariables = transformAll(this, template.variables);
        if (newAttributes != template.attributes || newInputs != template.inputs ||
            newOutputs != template.outputs || newTemplateAttrs != template.templateAttrs ||
            newChildren != template.children || newReferences != template.references ||
            newVariables != template.variables) {
            return new Template(template.tagName, newAttributes, newInputs, newOutputs, newTemplateAttrs, newChildren, newReferences, newVariables, template.sourceSpan, template.startSourceSpan, template.endSourceSpan);
        }
        return template;
    }
    visitContent(content) {
        return content;
    }
    visitVariable(variable) {
        return variable;
    }
    visitReference(reference) {
        return reference;
    }
    visitTextAttribute(attribute) {
        return attribute;
    }
    visitBoundAttribute(attribute) {
        return attribute;
    }
    visitBoundEvent(attribute) {
        return attribute;
    }
    visitText(text) {
        return text;
    }
    visitBoundText(text) {
        return text;
    }
    visitIcu(icu) {
        return icu;
    }
}
function visitAll(visitor, nodes) {
    const result = [];
    if (visitor.visit) {
        for (const node of nodes) {
            const newNode = visitor.visit(node) || node.visit(visitor);
        }
    }
    else {
        for (const node of nodes) {
            const newNode = node.visit(visitor);
            if (newNode) {
                result.push(newNode);
            }
        }
    }
    return result;
}
function transformAll(visitor, nodes) {
    const result = [];
    let changed = false;
    for (const node of nodes) {
        const newNode = node.visit(visitor);
        if (newNode) {
            result.push(newNode);
        }
        changed = changed || newNode != node;
    }
    return changed ? result : nodes;
}

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
class Message {
    /**
     * @param nodes message AST
     * @param placeholders maps placeholder names to static content and their source spans
     * @param placeholderToMessage maps placeholder names to messages (used for nested ICU messages)
     * @param meaning
     * @param description
     * @param customId
     */
    constructor(nodes, placeholders, placeholderToMessage, meaning, description, customId) {
        this.nodes = nodes;
        this.placeholders = placeholders;
        this.placeholderToMessage = placeholderToMessage;
        this.meaning = meaning;
        this.description = description;
        this.customId = customId;
        this.id = this.customId;
        /** The ids to use if there are no custom id and if `i18nLegacyMessageIdFormat` is not empty */
        this.legacyIds = [];
        if (nodes.length) {
            this.sources = [{
                    filePath: nodes[0].sourceSpan.start.file.url,
                    startLine: nodes[0].sourceSpan.start.line + 1,
                    startCol: nodes[0].sourceSpan.start.col + 1,
                    endLine: nodes[nodes.length - 1].sourceSpan.end.line + 1,
                    endCol: nodes[0].sourceSpan.start.col + 1
                }];
        }
        else {
            this.sources = [];
        }
    }
}
class Text$1 {
    constructor(value, sourceSpan) {
        this.value = value;
        this.sourceSpan = sourceSpan;
    }
    visit(visitor, context) {
        return visitor.visitText(this, context);
    }
}
// TODO(vicb): do we really need this node (vs an array) ?
class Container {
    constructor(children, sourceSpan) {
        this.children = children;
        this.sourceSpan = sourceSpan;
    }
    visit(visitor, context) {
        return visitor.visitContainer(this, context);
    }
}
class Icu$1 {
    constructor(expression, type, cases, sourceSpan) {
        this.expression = expression;
        this.type = type;
        this.cases = cases;
        this.sourceSpan = sourceSpan;
    }
    visit(visitor, context) {
        return visitor.visitIcu(this, context);
    }
}
class TagPlaceholder {
    constructor(tag, attrs, startName, closeName, children, isVoid, 
    // TODO sourceSpan should cover all (we need a startSourceSpan and endSourceSpan)
    sourceSpan, startSourceSpan, endSourceSpan) {
        this.tag = tag;
        this.attrs = attrs;
        this.startName = startName;
        this.closeName = closeName;
        this.children = children;
        this.isVoid = isVoid;
        this.sourceSpan = sourceSpan;
        this.startSourceSpan = startSourceSpan;
        this.endSourceSpan = endSourceSpan;
    }
    visit(visitor, context) {
        return visitor.visitTagPlaceholder(this, context);
    }
}
class Placeholder {
    constructor(value, name, sourceSpan) {
        this.value = value;
        this.name = name;
        this.sourceSpan = sourceSpan;
    }
    visit(visitor, context) {
        return visitor.visitPlaceholder(this, context);
    }
}
class IcuPlaceholder {
    constructor(value, name, sourceSpan) {
        this.value = value;
        this.name = name;
        this.sourceSpan = sourceSpan;
    }
    visit(visitor, context) {
        return visitor.visitIcuPlaceholder(this, context);
    }
}
// Clone the AST
class CloneVisitor {
    visitText(text, context) {
        return new Text$1(text.value, text.sourceSpan);
    }
    visitContainer(container, context) {
        const children = container.children.map(n => n.visit(this, context));
        return new Container(children, container.sourceSpan);
    }
    visitIcu(icu, context) {
        const cases = {};
        Object.keys(icu.cases).forEach(key => cases[key] = icu.cases[key].visit(this, context));
        const msg = new Icu$1(icu.expression, icu.type, cases, icu.sourceSpan);
        msg.expressionPlaceholder = icu.expressionPlaceholder;
        return msg;
    }
    visitTagPlaceholder(ph, context) {
        const children = ph.children.map(n => n.visit(this, context));
        return new TagPlaceholder(ph.tag, ph.attrs, ph.startName, ph.closeName, children, ph.isVoid, ph.sourceSpan, ph.startSourceSpan, ph.endSourceSpan);
    }
    visitPlaceholder(ph, context) {
        return new Placeholder(ph.value, ph.name, ph.sourceSpan);
    }
    visitIcuPlaceholder(ph, context) {
        return new IcuPlaceholder(ph.value, ph.name, ph.sourceSpan);
    }
}
// Visit all the nodes recursively
class RecurseVisitor {
    visitText(text, context) { }
    visitContainer(container, context) {
        container.children.forEach(child => child.visit(this));
    }
    visitIcu(icu, context) {
        Object.keys(icu.cases).forEach(k => {
            icu.cases[k].visit(this);
        });
    }
    visitTagPlaceholder(ph, context) {
        ph.children.forEach(child => child.visit(this));
    }
    visitPlaceholder(ph, context) { }
    visitIcuPlaceholder(ph, context) { }
}

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
/**
 * Represents a big integer using a buffer of its individual digits, with the least significant
 * digit stored at the beginning of the array (little endian).
 *
 * For performance reasons, each instance is mutable. The addition operation can be done in-place
 * to reduce memory pressure of allocation for the digits array.
 */
class BigInteger {
    /**
     * Creates a big integer using its individual digits in little endian storage.
     */
    constructor(digits) {
        this.digits = digits;
    }
    static zero() {
        return new BigInteger([0]);
    }
    static one() {
        return new BigInteger([1]);
    }
    /**
     * Creates a clone of this instance.
     */
    clone() {
        return new BigInteger(this.digits.slice());
    }
    /**
     * Returns a new big integer with the sum of `this` and `other` as its value. This does not mutate
     * `this` but instead returns a new instance, unlike `addToSelf`.
     */
    add(other) {
        const result = this.clone();
        result.addToSelf(other);
        return result;
    }
    /**
     * Adds `other` to the instance itself, thereby mutating its value.
     */
    addToSelf(other) {
        const maxNrOfDigits = Math.max(this.digits.length, other.digits.length);
        let carry = 0;
        for (let i = 0; i < maxNrOfDigits; i++) {
            let digitSum = carry;
            if (i < this.digits.length) {
                digitSum += this.digits[i];
            }
            if (i < other.digits.length) {
                digitSum += other.digits[i];
            }
            if (digitSum >= 10) {
                this.digits[i] = digitSum - 10;
                carry = 1;
            }
            else {
                this.digits[i] = digitSum;
                carry = 0;
            }
        }
        // Apply a remaining carry if needed.
        if (carry > 0) {
            this.digits[maxNrOfDigits] = 1;
        }
    }
    /**
     * Builds the decimal string representation of the big integer. As this is stored in
     * little endian, the digits are concatenated in reverse order.
     */
    toString() {
        let res = '';
        for (let i = this.digits.length - 1; i >= 0; i--) {
            res += this.digits[i];
        }
        return res;
    }
}
/**
 * Represents a big integer which is optimized for multiplication operations, as its power-of-twos
 * are memoized. See `multiplyBy()` for details on the multiplication algorithm.
 */
class BigIntForMultiplication {
    constructor(value) {
        this.powerOfTwos = [value];
    }
    /**
     * Returns the big integer itself.
     */
    getValue() {
        return this.powerOfTwos[0];
    }
    /**
     * Computes the value for `num * b`, where `num` is a JS number and `b` is a big integer. The
     * value for `b` is represented by a storage model that is optimized for this computation.
     *
     * This operation is implemented in N(log2(num)) by continuous halving of the number, where the
     * least-significant bit (LSB) is tested in each iteration. If the bit is set, the bit's index is
     * used as exponent into the power-of-two multiplication of `b`.
     *
     * As an example, consider the multiplication num=42, b=1337. In binary 42 is 0b00101010 and the
     * algorithm unrolls into the following iterations:
     *
     *  Iteration | num        | LSB  | b * 2^iter | Add? | product
     * -----------|------------|------|------------|------|--------
     *  0         | 0b00101010 | 0    | 1337       | No   | 0
     *  1         | 0b00010101 | 1    | 2674       | Yes  | 2674
     *  2         | 0b00001010 | 0    | 5348       | No   | 2674
     *  3         | 0b00000101 | 1    | 10696      | Yes  | 13370
     *  4         | 0b00000010 | 0    | 21392      | No   | 13370
     *  5         | 0b00000001 | 1    | 42784      | Yes  | 56154
     *  6         | 0b00000000 | 0    | 85568      | No   | 56154
     *
     * The computed product of 56154 is indeed the correct result.
     *
     * The `BigIntForMultiplication` representation for a big integer provides memoized access to the
     * power-of-two values to reduce the workload in computing those values.
     */
    multiplyBy(num) {
        const product = BigInteger.zero();
        this.multiplyByAndAddTo(num, product);
        return product;
    }
    /**
     * See `multiplyBy()` for details. This function allows for the computed product to be added
     * directly to the provided result big integer.
     */
    multiplyByAndAddTo(num, result) {
        for (let exponent = 0; num !== 0; num = num >>> 1, exponent++) {
            if (num & 1) {
                const value = this.getMultipliedByPowerOfTwo(exponent);
                result.addToSelf(value);
            }
        }
    }
    /**
     * Computes and memoizes the big integer value for `this.number * 2^exponent`.
     */
    getMultipliedByPowerOfTwo(exponent) {
        // Compute the powers up until the requested exponent, where each value is computed from its
        // predecessor. This is simple as `this.number * 2^(exponent - 1)` only has to be doubled (i.e.
        // added to itself) to reach `this.number * 2^exponent`.
        for (let i = this.powerOfTwos.length; i <= exponent; i++) {
            const previousPower = this.powerOfTwos[i - 1];
            this.powerOfTwos[i] = previousPower.add(previousPower);
        }
        return this.powerOfTwos[exponent];
    }
}
/**
 * Represents an exponentiation operation for the provided base, of which exponents are computed and
 * memoized. The results are represented by a `BigIntForMultiplication` which is tailored for
 * multiplication operations by memoizing the power-of-twos. This effectively results in a matrix
 * representation that is lazily computed upon request.
 */
class BigIntExponentiation {
    constructor(base) {
        this.base = base;
        this.exponents = [new BigIntForMultiplication(BigInteger.one())];
    }
    /**
     * Compute the value for `this.base^exponent`, resulting in a big integer that is optimized for
     * further multiplication operations.
     */
    toThePowerOf(exponent) {
        // Compute the results up until the requested exponent, where every value is computed from its
        // predecessor. This is because `this.base^(exponent - 1)` only has to be multiplied by `base`
        // to reach `this.base^exponent`.
        for (let i = this.exponents.length; i <= exponent; i++) {
            const value = this.exponents[i - 1].multiplyBy(this.base);
            this.exponents[i] = new BigIntForMultiplication(value);
        }
        return this.exponents[exponent];
    }
}

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
/**
 * Return the message id or compute it using the XLIFF1 digest.
 */
function digest(message) {
    return message.id || computeDigest(message);
}
/**
 * Compute the message id using the XLIFF1 digest.
 */
function computeDigest(message) {
    return sha1(serializeNodes(message.nodes).join('') + `[${message.meaning}]`);
}
/**
 * Return the message id or compute it using the XLIFF2/XMB/$localize digest.
 */
function decimalDigest(message) {
    return message.id || computeDecimalDigest(message);
}
/**
 * Compute the message id using the XLIFF2/XMB/$localize digest.
 */
function computeDecimalDigest(message) {
    const visitor = new _SerializerIgnoreIcuExpVisitor();
    const parts = message.nodes.map(a => a.visit(visitor, null));
    return computeMsgId(parts.join(''), message.meaning);
}
/**
 * Serialize the i18n ast to something xml-like in order to generate an UID.
 *
 * The visitor is also used in the i18n parser tests
 *
 * @internal
 */
class _SerializerVisitor {
    visitText(text, context) {
        return text.value;
    }
    visitContainer(container, context) {
        return `[${container.children.map(child => child.visit(this)).join(', ')}]`;
    }
    visitIcu(icu, context) {
        const strCases = Object.keys(icu.cases).map((k) => `${k} {${icu.cases[k].visit(this)}}`);
        return `{${icu.expression}, ${icu.type}, ${strCases.join(', ')}}`;
    }
    visitTagPlaceholder(ph, context) {
        return ph.isVoid ?
            `<ph tag name="${ph.startName}"/>` :
            `<ph tag name="${ph.startName}">${ph.children.map(child => child.visit(this)).join(', ')}</ph name="${ph.closeName}">`;
    }
    visitPlaceholder(ph, context) {
        return ph.value ? `<ph name="${ph.name}">${ph.value}</ph>` : `<ph name="${ph.name}"/>`;
    }
    visitIcuPlaceholder(ph, context) {
        return `<ph icu name="${ph.name}">${ph.value.visit(this)}</ph>`;
    }
}
const serializerVisitor = new _SerializerVisitor();
function serializeNodes(nodes) {
    return nodes.map(a => a.visit(serializerVisitor, null));
}
/**
 * Serialize the i18n ast to something xml-like in order to generate an UID.
 *
 * Ignore the ICU expressions so that message IDs stays identical if only the expression changes.
 *
 * @internal
 */
class _SerializerIgnoreIcuExpVisitor extends _SerializerVisitor {
    visitIcu(icu, context) {
        let strCases = Object.keys(icu.cases).map((k) => `${k} {${icu.cases[k].visit(this)}}`);
        // Do not take the expression into account
        return `{${icu.type}, ${strCases.join(', ')}}`;
    }
}
/**
 * Compute the SHA1 of the given string
 *
 * see https://csrc.nist.gov/publications/fips/fips180-4/fips-180-4.pdf
 *
 * WARNING: this function has not been designed not tested with security in mind.
 *          DO NOT USE IT IN A SECURITY SENSITIVE CONTEXT.
 */
function sha1(str) {
    const utf8 = utf8Encode(str);
    const words32 = bytesToWords32(utf8, Endian.Big);
    const len = utf8.length * 8;
    const w = newArray(80);
    let a = 0x67452301, b = 0xefcdab89, c = 0x98badcfe, d = 0x10325476, e = 0xc3d2e1f0;
    words32[len >> 5] |= 0x80 << (24 - len % 32);
    words32[((len + 64 >> 9) << 4) + 15] = len;
    for (let i = 0; i < words32.length; i += 16) {
        const h0 = a, h1 = b, h2 = c, h3 = d, h4 = e;
        for (let j = 0; j < 80; j++) {
            if (j < 16) {
                w[j] = words32[i + j];
            }
            else {
                w[j] = rol32(w[j - 3] ^ w[j - 8] ^ w[j - 14] ^ w[j - 16], 1);
            }
            const fkVal = fk(j, b, c, d);
            const f = fkVal[0];
            const k = fkVal[1];
            const temp = [rol32(a, 5), f, e, k, w[j]].reduce(add32);
            e = d;
            d = c;
            c = rol32(b, 30);
            b = a;
            a = temp;
        }
        a = add32(a, h0);
        b = add32(b, h1);
        c = add32(c, h2);
        d = add32(d, h3);
        e = add32(e, h4);
    }
    return bytesToHexString(words32ToByteString([a, b, c, d, e]));
}
function fk(index, b, c, d) {
    if (index < 20) {
        return [(b & c) | (~b & d), 0x5a827999];
    }
    if (index < 40) {
        return [b ^ c ^ d, 0x6ed9eba1];
    }
    if (index < 60) {
        return [(b & c) | (b & d) | (c & d), 0x8f1bbcdc];
    }
    return [b ^ c ^ d, 0xca62c1d6];
}
/**
 * Compute the fingerprint of the given string
 *
 * The output is 64 bit number encoded as a decimal string
 *
 * based on:
 * https://github.com/google/closure-compiler/blob/master/src/com/google/javascript/jscomp/GoogleJsMessageIdGenerator.java
 */
function fingerprint(str) {
    const utf8 = utf8Encode(str);
    let hi = hash32(utf8, 0);
    let lo = hash32(utf8, 102072);
    if (hi == 0 && (lo == 0 || lo == 1)) {
        hi = hi ^ 0x130f9bef;
        lo = lo ^ -0x6b5f56d8;
    }
    return [hi, lo];
}
function computeMsgId(msg, meaning = '') {
    let msgFingerprint = fingerprint(msg);
    if (meaning) {
        const meaningFingerprint = fingerprint(meaning);
        msgFingerprint = add64(rol64(msgFingerprint, 1), meaningFingerprint);
    }
    const hi = msgFingerprint[0];
    const lo = msgFingerprint[1];
    return wordsToDecimalString(hi & 0x7fffffff, lo);
}
function hash32(bytes, c) {
    let a = 0x9e3779b9, b = 0x9e3779b9;
    let i;
    const len = bytes.length;
    for (i = 0; i + 12 <= len; i += 12) {
        a = add32(a, wordAt(bytes, i, Endian.Little));
        b = add32(b, wordAt(bytes, i + 4, Endian.Little));
        c = add32(c, wordAt(bytes, i + 8, Endian.Little));
        const res = mix(a, b, c);
        a = res[0], b = res[1], c = res[2];
    }
    a = add32(a, wordAt(bytes, i, Endian.Little));
    b = add32(b, wordAt(bytes, i + 4, Endian.Little));
    // the first byte of c is reserved for the length
    c = add32(c, len);
    c = add32(c, wordAt(bytes, i + 8, Endian.Little) << 8);
    return mix(a, b, c)[2];
}
// clang-format off
function mix(a, b, c) {
    a = sub32(a, b);
    a = sub32(a, c);
    a ^= c >>> 13;
    b = sub32(b, c);
    b = sub32(b, a);
    b ^= a << 8;
    c = sub32(c, a);
    c = sub32(c, b);
    c ^= b >>> 13;
    a = sub32(a, b);
    a = sub32(a, c);
    a ^= c >>> 12;
    b = sub32(b, c);
    b = sub32(b, a);
    b ^= a << 16;
    c = sub32(c, a);
    c = sub32(c, b);
    c ^= b >>> 5;
    a = sub32(a, b);
    a = sub32(a, c);
    a ^= c >>> 3;
    b = sub32(b, c);
    b = sub32(b, a);
    b ^= a << 10;
    c = sub32(c, a);
    c = sub32(c, b);
    c ^= b >>> 15;
    return [a, b, c];
}
// clang-format on
// Utils
var Endian;
(function (Endian) {
    Endian[Endian["Little"] = 0] = "Little";
    Endian[Endian["Big"] = 1] = "Big";
})(Endian || (Endian = {}));
function add32(a, b) {
    return add32to64(a, b)[1];
}
function add32to64(a, b) {
    const low = (a & 0xffff) + (b & 0xffff);
    const high = (a >>> 16) + (b >>> 16) + (low >>> 16);
    return [high >>> 16, (high << 16) | (low & 0xffff)];
}
function add64(a, b) {
    const ah = a[0], al = a[1];
    const bh = b[0], bl = b[1];
    const result = add32to64(al, bl);
    const carry = result[0];
    const l = result[1];
    const h = add32(add32(ah, bh), carry);
    return [h, l];
}
function sub32(a, b) {
    const low = (a & 0xffff) - (b & 0xffff);
    const high = (a >> 16) - (b >> 16) + (low >> 16);
    return (high << 16) | (low & 0xffff);
}
// Rotate a 32b number left `count` position
function rol32(a, count) {
    return (a << count) | (a >>> (32 - count));
}
// Rotate a 64b number left `count` position
function rol64(num, count) {
    const hi = num[0], lo = num[1];
    const h = (hi << count) | (lo >>> (32 - count));
    const l = (lo << count) | (hi >>> (32 - count));
    return [h, l];
}
function bytesToWords32(bytes, endian) {
    const size = (bytes.length + 3) >>> 2;
    const words32 = [];
    for (let i = 0; i < size; i++) {
        words32[i] = wordAt(bytes, i * 4, endian);
    }
    return words32;
}
function byteAt(bytes, index) {
    return index >= bytes.length ? 0 : bytes[index];
}
function wordAt(bytes, index, endian) {
    let word = 0;
    if (endian === Endian.Big) {
        for (let i = 0; i < 4; i++) {
            word += byteAt(bytes, index + i) << (24 - 8 * i);
        }
    }
    else {
        for (let i = 0; i < 4; i++) {
            word += byteAt(bytes, index + i) << 8 * i;
        }
    }
    return word;
}
function words32ToByteString(words32) {
    return words32.reduce((bytes, word) => bytes.concat(word32ToByteString(word)), []);
}
function word32ToByteString(word) {
    let bytes = [];
    for (let i = 0; i < 4; i++) {
        bytes.push((word >>> 8 * (3 - i)) & 0xff);
    }
    return bytes;
}
function bytesToHexString(bytes) {
    let hex = '';
    for (let i = 0; i < bytes.length; i++) {
        const b = byteAt(bytes, i);
        hex += (b >>> 4).toString(16) + (b & 0x0f).toString(16);
    }
    return hex.toLowerCase();
}
/**
 * Create a shared exponentiation pool for base-256 computations. This shared pool provides memoized
 * power-of-256 results with memoized power-of-two computations for efficient multiplication.
 *
 * For our purposes, this can be safely stored as a global without memory concerns. The reason is
 * that we encode two words, so only need the 0th (for the low word) and 4th (for the high word)
 * exponent.
 */
const base256 = new BigIntExponentiation(256);
/**
 * Represents two 32-bit words as a single decimal number. This requires a big integer storage
 * model as JS numbers are not accurate enough to represent the 64-bit number.
 *
 * Based on https://www.danvk.org/hex2dec.html
 */
function wordsToDecimalString(hi, lo) {
    // Encode the four bytes in lo in the lower digits of the decimal number.
    // Note: the multiplication results in lo itself but represented by a big integer using its
    // decimal digits.
    const decimal = base256.toThePowerOf(0).multiplyBy(lo);
    // Encode the four bytes in hi above the four lo bytes. lo is a maximum of (2^8)^4, which is why
    // this multiplication factor is applied.
    base256.toThePowerOf(4).multiplyByAndAddTo(hi, decimal);
    return decimal.toString();
}

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
class Serializer {
    // Creates a name mapper, see `PlaceholderMapper`
    // Returning `null` means that no name mapping is used.
    createNameMapper(message) {
        return null;
    }
}
/**
 * A simple mapper that take a function to transform an internal name to a public name
 */
class SimplePlaceholderMapper extends RecurseVisitor {
    // create a mapping from the message
    constructor(message, mapName) {
        super();
        this.mapName = mapName;
        this.internalToPublic = {};
        this.publicToNextId = {};
        this.publicToInternal = {};
        message.nodes.forEach(node => node.visit(this));
    }
    toPublicName(internalName) {
        return this.internalToPublic.hasOwnProperty(internalName) ?
            this.internalToPublic[internalName] :
            null;
    }
    toInternalName(publicName) {
        return this.publicToInternal.hasOwnProperty(publicName) ? this.publicToInternal[publicName] :
            null;
    }
    visitText(text, context) {
        return null;
    }
    visitTagPlaceholder(ph, context) {
        this.visitPlaceholderName(ph.startName);
        super.visitTagPlaceholder(ph, context);
        this.visitPlaceholderName(ph.closeName);
    }
    visitPlaceholder(ph, context) {
        this.visitPlaceholderName(ph.name);
    }
    visitIcuPlaceholder(ph, context) {
        this.visitPlaceholderName(ph.name);
    }
    // XMB placeholders could only contains A-Z, 0-9 and _
    visitPlaceholderName(internalName) {
        if (!internalName || this.internalToPublic.hasOwnProperty(internalName)) {
            return;
        }
        let publicName = this.mapName(internalName);
        if (this.publicToInternal.hasOwnProperty(publicName)) {
            // Create a new XMB when it has already been used
            const nextId = this.publicToNextId[publicName];
            this.publicToNextId[publicName] = nextId + 1;
            publicName = `${publicName}_${nextId}`;
        }
        else {
            this.publicToNextId[publicName] = 1;
        }
        this.internalToPublic[internalName] = publicName;
        this.publicToInternal[publicName] = internalName;
    }
}

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
class _Visitor {
    visitTag(tag) {
        const strAttrs = this._serializeAttributes(tag.attrs);
        if (tag.children.length == 0) {
            return `<${tag.name}${strAttrs}/>`;
        }
        const strChildren = tag.children.map(node => node.visit(this));
        return `<${tag.name}${strAttrs}>${strChildren.join('')}</${tag.name}>`;
    }
    visitText(text) {
        return text.value;
    }
    visitDeclaration(decl) {
        return `<?xml${this._serializeAttributes(decl.attrs)} ?>`;
    }
    _serializeAttributes(attrs) {
        const strAttrs = Object.keys(attrs).map((name) => `${name}="${attrs[name]}"`).join(' ');
        return strAttrs.length > 0 ? ' ' + strAttrs : '';
    }
    visitDoctype(doctype) {
        return `<!DOCTYPE ${doctype.rootTag} [\n${doctype.dtd}\n]>`;
    }
}
const _visitor = new _Visitor();
function serialize(nodes) {
    return nodes.map((node) => node.visit(_visitor)).join('');
}
class Declaration {
    constructor(unescapedAttrs) {
        this.attrs = {};
        Object.keys(unescapedAttrs).forEach((k) => {
            this.attrs[k] = escapeXml(unescapedAttrs[k]);
        });
    }
    visit(visitor) {
        return visitor.visitDeclaration(this);
    }
}
class Doctype {
    constructor(rootTag, dtd) {
        this.rootTag = rootTag;
        this.dtd = dtd;
    }
    visit(visitor) {
        return visitor.visitDoctype(this);
    }
}
class Tag {
    constructor(name, unescapedAttrs = {}, children = []) {
        this.name = name;
        this.children = children;
        this.attrs = {};
        Object.keys(unescapedAttrs).forEach((k) => {
            this.attrs[k] = escapeXml(unescapedAttrs[k]);
        });
    }
    visit(visitor) {
        return visitor.visitTag(this);
    }
}
class Text$2 {
    constructor(unescapedValue) {
        this.value = escapeXml(unescapedValue);
    }
    visit(visitor) {
        return visitor.visitText(this);
    }
}
class CR extends Text$2 {
    constructor(ws = 0) {
        super(`\n${new Array(ws + 1).join(' ')}`);
    }
}
const _ESCAPED_CHARS = [
    [/&/g, '&amp;'],
    [/"/g, '&quot;'],
    [/'/g, '&apos;'],
    [/</g, '&lt;'],
    [/>/g, '&gt;'],
];
// Escape `_ESCAPED_CHARS` characters in the given text with encoded entities
function escapeXml(text) {
    return _ESCAPED_CHARS.reduce((text, entry) => text.replace(entry[0], entry[1]), text);
}

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
const _MESSAGES_TAG = 'messagebundle';
const _MESSAGE_TAG = 'msg';
const _PLACEHOLDER_TAG = 'ph';
const _EXAMPLE_TAG = 'ex';
const _SOURCE_TAG = 'source';
const _DOCTYPE = `<!ELEMENT messagebundle (msg)*>
<!ATTLIST messagebundle class CDATA #IMPLIED>

<!ELEMENT msg (#PCDATA|ph|source)*>
<!ATTLIST msg id CDATA #IMPLIED>
<!ATTLIST msg seq CDATA #IMPLIED>
<!ATTLIST msg name CDATA #IMPLIED>
<!ATTLIST msg desc CDATA #IMPLIED>
<!ATTLIST msg meaning CDATA #IMPLIED>
<!ATTLIST msg obsolete (obsolete) #IMPLIED>
<!ATTLIST msg xml:space (default|preserve) "default">
<!ATTLIST msg is_hidden CDATA #IMPLIED>

<!ELEMENT source (#PCDATA)>

<!ELEMENT ph (#PCDATA|ex)*>
<!ATTLIST ph name CDATA #REQUIRED>

<!ELEMENT ex (#PCDATA)>`;
class Xmb extends Serializer {
    write(messages, locale) {
        const exampleVisitor = new ExampleVisitor();
        const visitor = new _Visitor$1();
        let rootNode = new Tag(_MESSAGES_TAG);
        messages.forEach(message => {
            const attrs = { id: message.id };
            if (message.description) {
                attrs['desc'] = message.description;
            }
            if (message.meaning) {
                attrs['meaning'] = message.meaning;
            }
            let sourceTags = [];
            message.sources.forEach((source) => {
                sourceTags.push(new Tag(_SOURCE_TAG, {}, [new Text$2(`${source.filePath}:${source.startLine}${source.endLine !== source.startLine ? ',' + source.endLine : ''}`)]));
            });
            rootNode.children.push(new CR(2), new Tag(_MESSAGE_TAG, attrs, [...sourceTags, ...visitor.serialize(message.nodes)]));
        });
        rootNode.children.push(new CR());
        return serialize([
            new Declaration({ version: '1.0', encoding: 'UTF-8' }),
            new CR(),
            new Doctype(_MESSAGES_TAG, _DOCTYPE),
            new CR(),
            exampleVisitor.addDefaultExamples(rootNode),
            new CR(),
        ]);
    }
    load(content, url) {
        throw new Error('Unsupported');
    }
    digest(message) {
        return digest$1(message);
    }
    createNameMapper(message) {
        return new SimplePlaceholderMapper(message, toPublicName);
    }
}
class _Visitor$1 {
    visitText(text, context) {
        return [new Text$2(text.value)];
    }
    visitContainer(container, context) {
        const nodes = [];
        container.children.forEach((node) => nodes.push(...node.visit(this)));
        return nodes;
    }
    visitIcu(icu, context) {
        const nodes = [new Text$2(`{${icu.expressionPlaceholder}, ${icu.type}, `)];
        Object.keys(icu.cases).forEach((c) => {
            nodes.push(new Text$2(`${c} {`), ...icu.cases[c].visit(this), new Text$2(`} `));
        });
        nodes.push(new Text$2(`}`));
        return nodes;
    }
    visitTagPlaceholder(ph, context) {
        const startTagAsText = new Text$2(`<${ph.tag}>`);
        const startEx = new Tag(_EXAMPLE_TAG, {}, [startTagAsText]);
        // TC requires PH to have a non empty EX, and uses the text node to show the "original" value.
        const startTagPh = new Tag(_PLACEHOLDER_TAG, { name: ph.startName }, [startEx, startTagAsText]);
        if (ph.isVoid) {
            // void tags have no children nor closing tags
            return [startTagPh];
        }
        const closeTagAsText = new Text$2(`</${ph.tag}>`);
        const closeEx = new Tag(_EXAMPLE_TAG, {}, [closeTagAsText]);
        // TC requires PH to have a non empty EX, and uses the text node to show the "original" value.
        const closeTagPh = new Tag(_PLACEHOLDER_TAG, { name: ph.closeName }, [closeEx, closeTagAsText]);
        return [startTagPh, ...this.serialize(ph.children), closeTagPh];
    }
    visitPlaceholder(ph, context) {
        const interpolationAsText = new Text$2(`{{${ph.value}}}`);
        // Example tag needs to be not-empty for TC.
        const exTag = new Tag(_EXAMPLE_TAG, {}, [interpolationAsText]);
        return [
            // TC requires PH to have a non empty EX, and uses the text node to show the "original" value.
            new Tag(_PLACEHOLDER_TAG, { name: ph.name }, [exTag, interpolationAsText])
        ];
    }
    visitIcuPlaceholder(ph, context) {
        const icuExpression = ph.value.expression;
        const icuType = ph.value.type;
        const icuCases = Object.keys(ph.value.cases).map((value) => value + ' {...}').join(' ');
        const icuAsText = new Text$2(`{${icuExpression}, ${icuType}, ${icuCases}}`);
        const exTag = new Tag(_EXAMPLE_TAG, {}, [icuAsText]);
        return [
            // TC requires PH to have a non empty EX, and uses the text node to show the "original" value.
            new Tag(_PLACEHOLDER_TAG, { name: ph.name }, [exTag, icuAsText])
        ];
    }
    serialize(nodes) {
        return [].concat(...nodes.map(node => node.visit(this)));
    }
}
function digest$1(message) {
    return decimalDigest(message);
}
// TC requires at least one non-empty example on placeholders
class ExampleVisitor {
    addDefaultExamples(node) {
        node.visit(this);
        return node;
    }
    visitTag(tag) {
        if (tag.name === _PLACEHOLDER_TAG) {
            if (!tag.children || tag.children.length == 0) {
                const exText = new Text$2(tag.attrs['name'] || '...');
                tag.children = [new Tag(_EXAMPLE_TAG, {}, [exText])];
            }
        }
        else if (tag.children) {
            tag.children.forEach(node => node.visit(this));
        }
    }
    visitText(text) { }
    visitDeclaration(decl) { }
    visitDoctype(doctype) { }
}
// XMB/XTB placeholders can only contain A-Z, 0-9 and _
function toPublicName(internalName) {
    return internalName.toUpperCase().replace(/[^A-Z0-9_]/g, '_');
}

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
/* Closure variables holding messages must be named `MSG_[A-Z0-9]+` */
const CLOSURE_TRANSLATION_VAR_PREFIX = 'MSG_';
/**
 * Prefix for non-`goog.getMsg` i18n-related vars.
 * Note: the prefix uses lowercase characters intentionally due to a Closure behavior that
 * considers variables like `I18N_0` as constants and throws an error when their value changes.
 */
const TRANSLATION_VAR_PREFIX = 'i18n_';
/** Name of the i18n attributes **/
const I18N_ATTR = 'i18n';
const I18N_ATTR_PREFIX = 'i18n-';
/** Prefix of var expressions used in ICUs */
const I18N_ICU_VAR_PREFIX = 'VAR_';
/** Prefix of ICU expressions for post processing */
const I18N_ICU_MAPPING_PREFIX = 'I18N_EXP_';
/** Placeholder wrapper for i18n expressions **/
const I18N_PLACEHOLDER_SYMBOL = '�';
function isI18nAttribute(name) {
    return name === I18N_ATTR || name.startsWith(I18N_ATTR_PREFIX);
}
function isI18nRootNode(meta) {
    return meta instanceof Message;
}
function isSingleI18nIcu(meta) {
    return isI18nRootNode(meta) && meta.nodes.length === 1 && meta.nodes[0] instanceof Icu$1;
}
function hasI18nMeta(node) {
    return !!node.i18n;
}
function hasI18nAttrs(element) {
    return element.attrs.some((attr) => isI18nAttribute(attr.name));
}
function icuFromI18nMessage(message) {
    return message.nodes[0];
}
function wrapI18nPlaceholder(content, contextId = 0) {
    const blockId = contextId > 0 ? `:${contextId}` : '';
    return `${I18N_PLACEHOLDER_SYMBOL}${content}${blockId}${I18N_PLACEHOLDER_SYMBOL}`;
}
function assembleI18nBoundString(strings, bindingStartIndex = 0, contextId = 0) {
    if (!strings.length)
        return '';
    let acc = '';
    const lastIdx = strings.length - 1;
    for (let i = 0; i < lastIdx; i++) {
        acc += `${strings[i]}${wrapI18nPlaceholder(bindingStartIndex + i, contextId)}`;
    }
    acc += strings[lastIdx];
    return acc;
}
function getSeqNumberGenerator(startsAt = 0) {
    let current = startsAt;
    return () => current++;
}
function placeholdersToParams(placeholders) {
    const params = {};
    placeholders.forEach((values, key) => {
        params[key] = literal(values.length > 1 ? `[${values.join('|')}]` : values[0]);
    });
    return params;
}
function updatePlaceholderMap(map, name, ...values) {
    const current = map.get(name) || [];
    current.push(...values);
    map.set(name, current);
}
function assembleBoundTextPlaceholders(meta, bindingStartIndex = 0, contextId = 0) {
    const startIdx = bindingStartIndex;
    const placeholders = new Map();
    const node = meta instanceof Message ? meta.nodes.find(node => node instanceof Container) : meta;
    if (node) {
        node
            .children
            .filter((child) => child instanceof Placeholder)
            .forEach((child, idx) => {
            const content = wrapI18nPlaceholder(startIdx + idx, contextId);
            updatePlaceholderMap(placeholders, child.name, content);
        });
    }
    return placeholders;
}
/**
 * Format the placeholder names in a map of placeholders to expressions.
 *
 * The placeholder names are converted from "internal" format (e.g. `START_TAG_DIV_1`) to "external"
 * format (e.g. `startTagDiv_1`).
 *
 * @param params A map of placeholder names to expressions.
 * @param useCamelCase whether to camelCase the placeholder name when formatting.
 * @returns A new map of formatted placeholder names to expressions.
 */
function i18nFormatPlaceholderNames(params = {}, useCamelCase) {
    const _params = {};
    if (params && Object.keys(params).length) {
        Object.keys(params).forEach(key => _params[formatI18nPlaceholderName(key, useCamelCase)] = params[key]);
    }
    return _params;
}
/**
 * Converts internal placeholder names to public-facing format
 * (for example to use in goog.getMsg call).
 * Example: `START_TAG_DIV_1` is converted to `startTagDiv_1`.
 *
 * @param name The placeholder name that should be formatted
 * @returns Formatted placeholder name
 */
function formatI18nPlaceholderName(name, useCamelCase = true) {
    const publicName = toPublicName(name);
    if (!useCamelCase) {
        return publicName;
    }
    const chunks = publicName.split('_');
    if (chunks.length === 1) {
        // if no "_" found - just lowercase the value
        return name.toLowerCase();
    }
    let postfix;
    // eject last element if it's a number
    if (/^\d+$/.test(chunks[chunks.length - 1])) {
        postfix = chunks.pop();
    }
    let raw = chunks.shift().toLowerCase();
    if (chunks.length) {
        raw += chunks.map(c => c.charAt(0).toUpperCase() + c.slice(1).toLowerCase()).join('');
    }
    return postfix ? `${raw}_${postfix}` : raw;
}
/**
 * Generates a prefix for translation const name.
 *
 * @param extra Additional local prefix that should be injected into translation var name
 * @returns Complete translation const prefix
 */
function getTranslationConstPrefix(extra) {
    return `${CLOSURE_TRANSLATION_VAR_PREFIX}${extra}`.toUpperCase();
}
/**
 * Generate AST to declare a variable. E.g. `var I18N_1;`.
 * @param variable the name of the variable to declare.
 */
function declareI18nVariable(variable) {
    return new DeclareVarStmt(variable.name, undefined, INFERRED_TYPE, undefined, variable.sourceSpan);
}

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
/**
 * Checks whether an object key contains potentially unsafe chars, thus the key should be wrapped in
 * quotes. Note: we do not wrap all keys into quotes, as it may have impact on minification and may
 * bot work in some cases when object keys are mangled by minifier.
 *
 * TODO(FW-1136): this is a temporary solution, we need to come up with a better way of working with
 * inputs that contain potentially unsafe chars.
 */
const UNSAFE_OBJECT_KEY_NAME_REGEXP = /[-.]/;
/** Name of the temporary to use during data binding */
const TEMPORARY_NAME = '_t';
/** Name of the context parameter passed into a template function */
const CONTEXT_NAME = 'ctx';
/** Name of the RenderFlag passed into a template function */
const RENDER_FLAGS = 'rf';
/** The prefix reference variables */
const REFERENCE_PREFIX = '_r';
/** The name of the implicit context reference */
const IMPLICIT_REFERENCE = '$implicit';
/** Non bindable attribute name **/
const NON_BINDABLE_ATTR = 'ngNonBindable';
/** Name for the variable keeping track of the context returned by `ɵɵrestoreView`. */
const RESTORED_VIEW_CONTEXT_NAME = 'restoredCtx';
/**
 * Creates an allocator for a temporary variable.
 *
 * A variable declaration is added to the statements the first time the allocator is invoked.
 */
function temporaryAllocator(statements, name) {
    let temp = null;
    return () => {
        if (!temp) {
            statements.push(new DeclareVarStmt(TEMPORARY_NAME, undefined, DYNAMIC_TYPE));
            temp = variable(name);
        }
        return temp;
    };
}
function unsupported(feature) {
    if (this) {
        throw new Error(`Builder ${this.constructor.name} doesn't support ${feature} yet`);
    }
    throw new Error(`Feature ${feature} is not supported yet`);
}
function invalid$1(arg) {
    throw new Error(`Invalid state: Visitor ${this.constructor.name} doesn't handle ${arg.constructor.name}`);
}
function asLiteral(value) {
    if (Array.isArray(value)) {
        return literalArr(value.map(asLiteral));
    }
    return literal(value, INFERRED_TYPE);
}
function conditionallyCreateMapObjectLiteral(keys, keepDeclared) {
    if (Object.getOwnPropertyNames(keys).length > 0) {
        return mapToExpression(keys, keepDeclared);
    }
    return null;
}
function mapToExpression(map, keepDeclared) {
    return literalMap(Object.getOwnPropertyNames(map).map(key => {
        // canonical syntax: `dirProp: publicProp`
        // if there is no `:`, use dirProp = elProp
        const value = map[key];
        let declaredName;
        let publicName;
        let minifiedName;
        let needsDeclaredName;
        if (Array.isArray(value)) {
            [publicName, declaredName] = value;
            minifiedName = key;
            needsDeclaredName = publicName !== declaredName;
        }
        else {
            [declaredName, publicName] = splitAtColon(key, [key, value]);
            minifiedName = declaredName;
            // Only include the declared name if extracted from the key, i.e. the key contains a colon.
            // Otherwise the declared name should be omitted even if it is different from the public name,
            // as it may have already been minified.
            needsDeclaredName = publicName !== declaredName && key.includes(':');
        }
        return {
            key: minifiedName,
            // put quotes around keys that contain potentially unsafe characters
            quoted: UNSAFE_OBJECT_KEY_NAME_REGEXP.test(minifiedName),
            value: (keepDeclared && needsDeclaredName) ?
                literalArr([asLiteral(publicName), asLiteral(declaredName)]) :
                asLiteral(publicName)
        };
    }));
}
/**
 *  Remove trailing null nodes as they are implied.
 */
function trimTrailingNulls(parameters) {
    while (isNull(parameters[parameters.length - 1])) {
        parameters.pop();
    }
    return parameters;
}
function getQueryPredicate(query, constantPool) {
    if (Array.isArray(query.predicate)) {
        let predicate = [];
        query.predicate.forEach((selector) => {
            // Each item in predicates array may contain strings with comma-separated refs
            // (for ex. 'ref, ref1, ..., refN'), thus we extract individual refs and store them
            // as separate array entities
            const selectors = selector.split(',').map(token => literal(token.trim()));
            predicate.push(...selectors);
        });
        return constantPool.getConstLiteral(literalArr(predicate), true);
    }
    else {
        return query.predicate;
    }
}
/**
 * A representation for an object literal used during codegen of definition objects. The generic
 * type `T` allows to reference a documented type of the generated structure, such that the
 * property names that are set can be resolved to their documented declaration.
 */
class DefinitionMap {
    constructor() {
        this.values = [];
    }
    set(key, value) {
        if (value) {
            this.values.push({ key: key, value, quoted: false });
        }
    }
    toLiteralMap() {
        return literalMap(this.values);
    }
}
/**
 * Extract a map of properties to values for a given element or template node, which can be used
 * by the directive matching machinery.
 *
 * @param elOrTpl the element or template in question
 * @return an object set up for directive matching. For attributes on the element/template, this
 * object maps a property name to its (static) value. For any bindings, this map simply maps the
 * property name to an empty string.
 */
function getAttrsForDirectiveMatching(elOrTpl) {
    const attributesMap = {};
    if (elOrTpl instanceof Template && elOrTpl.tagName !== 'ng-template') {
        elOrTpl.templateAttrs.forEach(a => attributesMap[a.name] = '');
    }
    else {
        elOrTpl.attributes.forEach(a => {
            if (!isI18nAttribute(a.name)) {
                attributesMap[a.name] = a.value;
            }
        });
        elOrTpl.inputs.forEach(i => {
            attributesMap[i.name] = '';
        });
        elOrTpl.outputs.forEach(o => {
            attributesMap[o.name] = '';
        });
    }
    return attributesMap;
}
/** Returns a call expression to a chained instruction, e.g. `property(params[0])(params[1])`. */
function chainedInstruction(reference, calls, span) {
    let expression = importExpr(reference, null, span);
    if (calls.length > 0) {
        for (let i = 0; i < calls.length; i++) {
            expression = expression.callFn(calls[i], span);
        }
    }
    else {
        // Add a blank invocation, in case the `calls` array is empty.
        expression = expression.callFn([], span);
    }
    return expression;
}
/**
 * Gets the number of arguments expected to be passed to a generated instruction in the case of
 * interpolation instructions.
 * @param interpolation An interpolation ast
 */
function getInterpolationArgsLength(interpolation) {
    const { expressions, strings } = interpolation;
    if (expressions.length === 1 && strings.length === 2 && strings[0] === '' && strings[1] === '') {
        // If the interpolation has one interpolated value, but the prefix and suffix are both empty
        // strings, we only pass one argument, to a special instruction like `propertyInterpolate` or
        // `textInterpolate`.
        return 1;
    }
    else {
        return expressions.length + strings.length;
    }
}

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
/**
 * Creates an array literal expression from the given array, mapping all values to an expression
 * using the provided mapping function. If the array is empty or null, then null is returned.
 *
 * @param values The array to transfer into literal array expression.
 * @param mapper The logic to use for creating an expression for the array's values.
 * @returns An array literal expression representing `values`, or null if `values` is empty or
 * is itself null.
 */
function toOptionalLiteralArray(values, mapper) {
    if (values === null || values.length === 0) {
        return null;
    }
    return literalArr(values.map(value => mapper(value)));
}
/**
 * Creates an object literal expression from the given object, mapping all values to an expression
 * using the provided mapping function. If the object has no keys, then null is returned.
 *
 * @param object The object to transfer into an object literal expression.
 * @param mapper The logic to use for creating an expression for the object's values.
 * @returns An object literal expression representing `object`, or null if `object` does not have
 * any keys.
 */
function toOptionalLiteralMap(object, mapper) {
    const entries = Object.keys(object).map(key => {
        const value = object[key];
        return { key, value: mapper(value), quoted: true };
    });
    if (entries.length > 0) {
        return literalMap(entries);
    }
    else {
        return null;
    }
}
function compileDependencies(deps) {
    if (deps === 'invalid') {
        // The `deps` can be set to the string "invalid"  by the `unwrapConstructorDependencies()`
        // function, which tries to convert `ConstructorDeps` into `R3DependencyMetadata[]`.
        return literal('invalid');
    }
    else if (deps === null) {
        return literal(null);
    }
    else {
        return literalArr(deps.map(compileDependency));
    }
}
function compileDependency(dep) {
    const depMeta = new DefinitionMap();
    depMeta.set('token', dep.token);
    if (dep.attributeNameType !== null) {
        depMeta.set('attribute', literal(true));
    }
    if (dep.host) {
        depMeta.set('host', literal(true));
    }
    if (dep.optional) {
        depMeta.set('optional', literal(true));
    }
    if (dep.self) {
        depMeta.set('self', literal(true));
    }
    if (dep.skipSelf) {
        depMeta.set('skipSelf', literal(true));
    }
    return depMeta.toLiteralMap();
}
/**
 * Generate an expression that has the given `expr` wrapped in the following form:
 *
 * ```
 * forwardRef(() => expr)
 * ```
 */
function generateForwardRef(expr) {
    return importExpr(Identifiers.forwardRef).callFn([fn([], [new ReturnStatement(expr)])]);
}

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
// https://docs.google.com/document/d/1U1RGAehQwRypUTovF1KRlpiOFze0b-_2gc6fAH0KY0k/edit
const VERSION = 3;
const JS_B64_PREFIX = '# sourceMappingURL=data:application/json;base64,';
class SourceMapGenerator {
    constructor(file = null) {
        this.file = file;
        this.sourcesContent = new Map();
        this.lines = [];
        this.lastCol0 = 0;
        this.hasMappings = false;
    }
    // The content is `null` when the content is expected to be loaded using the URL
    addSource(url, content = null) {
        if (!this.sourcesContent.has(url)) {
            this.sourcesContent.set(url, content);
        }
        return this;
    }
    addLine() {
        this.lines.push([]);
        this.lastCol0 = 0;
        return this;
    }
    addMapping(col0, sourceUrl, sourceLine0, sourceCol0) {
        if (!this.currentLine) {
            throw new Error(`A line must be added before mappings can be added`);
        }
        if (sourceUrl != null && !this.sourcesContent.has(sourceUrl)) {
            throw new Error(`Unknown source file "${sourceUrl}"`);
        }
        if (col0 == null) {
            throw new Error(`The column in the generated code must be provided`);
        }
        if (col0 < this.lastCol0) {
            throw new Error(`Mapping should be added in output order`);
        }
        if (sourceUrl && (sourceLine0 == null || sourceCol0 == null)) {
            throw new Error(`The source location must be provided when a source url is provided`);
        }
        this.hasMappings = true;
        this.lastCol0 = col0;
        this.currentLine.push({ col0, sourceUrl, sourceLine0, sourceCol0 });
        return this;
    }
    /**
     * @internal strip this from published d.ts files due to
     * https://github.com/microsoft/TypeScript/issues/36216
     */
    get currentLine() {
        return this.lines.slice(-1)[0];
    }
    toJSON() {
        if (!this.hasMappings) {
            return null;
        }
        const sourcesIndex = new Map();
        const sources = [];
        const sourcesContent = [];
        Array.from(this.sourcesContent.keys()).forEach((url, i) => {
            sourcesIndex.set(url, i);
            sources.push(url);
            sourcesContent.push(this.sourcesContent.get(url) || null);
        });
        let mappings = '';
        let lastCol0 = 0;
        let lastSourceIndex = 0;
        let lastSourceLine0 = 0;
        let lastSourceCol0 = 0;
        this.lines.forEach(segments => {
            lastCol0 = 0;
            mappings += segments
                .map(segment => {
                // zero-based starting column of the line in the generated code
                let segAsStr = toBase64VLQ(segment.col0 - lastCol0);
                lastCol0 = segment.col0;
                if (segment.sourceUrl != null) {
                    // zero-based index into the “sources” list
                    segAsStr +=
                        toBase64VLQ(sourcesIndex.get(segment.sourceUrl) - lastSourceIndex);
                    lastSourceIndex = sourcesIndex.get(segment.sourceUrl);
                    // the zero-based starting line in the original source
                    segAsStr += toBase64VLQ(segment.sourceLine0 - lastSourceLine0);
                    lastSourceLine0 = segment.sourceLine0;
                    // the zero-based starting column in the original source
                    segAsStr += toBase64VLQ(segment.sourceCol0 - lastSourceCol0);
                    lastSourceCol0 = segment.sourceCol0;
                }
                return segAsStr;
            })
                .join(',');
            mappings += ';';
        });
        mappings = mappings.slice(0, -1);
        return {
            'file': this.file || '',
            'version': VERSION,
            'sourceRoot': '',
            'sources': sources,
            'sourcesContent': sourcesContent,
            'mappings': mappings,
        };
    }
    toJsComment() {
        return this.hasMappings ? '//' + JS_B64_PREFIX + toBase64String(JSON.stringify(this, null, 0)) :
            '';
    }
}
function toBase64String(value) {
    let b64 = '';
    const encoded = utf8Encode(value);
    for (let i = 0; i < encoded.length;) {
        const i1 = encoded[i++];
        const i2 = i < encoded.length ? encoded[i++] : null;
        const i3 = i < encoded.length ? encoded[i++] : null;
        b64 += toBase64Digit(i1 >> 2);
        b64 += toBase64Digit(((i1 & 3) << 4) | (i2 === null ? 0 : i2 >> 4));
        b64 += i2 === null ? '=' : toBase64Digit(((i2 & 15) << 2) | (i3 === null ? 0 : i3 >> 6));
        b64 += i2 === null || i3 === null ? '=' : toBase64Digit(i3 & 63);
    }
    return b64;
}
function toBase64VLQ(value) {
    value = value < 0 ? ((-value) << 1) + 1 : value << 1;
    let out = '';
    do {
        let digit = value & 31;
        value = value >> 5;
        if (value > 0) {
            digit = digit | 32;
        }
        out += toBase64Digit(digit);
    } while (value > 0);
    return out;
}
const B64_DIGITS = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/';
function toBase64Digit(value) {
    if (value < 0 || value >= 64) {
        throw new Error(`Can only encode value in the range [0, 63]`);
    }
    return B64_DIGITS[value];
}

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
const _SINGLE_QUOTE_ESCAPE_STRING_RE = /'|\\|\n|\r|\$/g;
const _LEGAL_IDENTIFIER_RE = /^[$A-Z_][0-9A-Z_$]*$/i;
const _INDENT_WITH = '  ';
const CATCH_ERROR_VAR$1 = variable('error', null, null);
const CATCH_STACK_VAR$1 = variable('stack', null, null);
class _EmittedLine {
    constructor(indent) {
        this.indent = indent;
        this.partsLength = 0;
        this.parts = [];
        this.srcSpans = [];
    }
}
class EmitterVisitorContext {
    constructor(_indent) {
        this._indent = _indent;
        this._classes = [];
        this._preambleLineCount = 0;
        this._lines = [new _EmittedLine(_indent)];
    }
    static createRoot() {
        return new EmitterVisitorContext(0);
    }
    /**
     * @internal strip this from published d.ts files due to
     * https://github.com/microsoft/TypeScript/issues/36216
     */
    get _currentLine() {
        return this._lines[this._lines.length - 1];
    }
    println(from, lastPart = '') {
        this.print(from || null, lastPart, true);
    }
    lineIsEmpty() {
        return this._currentLine.parts.length === 0;
    }
    lineLength() {
        return this._currentLine.indent * _INDENT_WITH.length + this._currentLine.partsLength;
    }
    print(from, part, newLine = false) {
        if (part.length > 0) {
            this._currentLine.parts.push(part);
            this._currentLine.partsLength += part.length;
            this._currentLine.srcSpans.push(from && from.sourceSpan || null);
        }
        if (newLine) {
            this._lines.push(new _EmittedLine(this._indent));
        }
    }
    removeEmptyLastLine() {
        if (this.lineIsEmpty()) {
            this._lines.pop();
        }
    }
    incIndent() {
        this._indent++;
        if (this.lineIsEmpty()) {
            this._currentLine.indent = this._indent;
        }
    }
    decIndent() {
        this._indent--;
        if (this.lineIsEmpty()) {
            this._currentLine.indent = this._indent;
        }
    }
    pushClass(clazz) {
        this._classes.push(clazz);
    }
    popClass() {
        return this._classes.pop();
    }
    get currentClass() {
        return this._classes.length > 0 ? this._classes[this._classes.length - 1] : null;
    }
    toSource() {
        return this.sourceLines
            .map(l => l.parts.length > 0 ? _createIndent(l.indent) + l.parts.join('') : '')
            .join('\n');
    }
    toSourceMapGenerator(genFilePath, startsAtLine = 0) {
        const map = new SourceMapGenerator(genFilePath);
        let firstOffsetMapped = false;
        const mapFirstOffsetIfNeeded = () => {
            if (!firstOffsetMapped) {
                // Add a single space so that tools won't try to load the file from disk.
                // Note: We are using virtual urls like `ng:///`, so we have to
                // provide a content here.
                map.addSource(genFilePath, ' ').addMapping(0, genFilePath, 0, 0);
                firstOffsetMapped = true;
            }
        };
        for (let i = 0; i < startsAtLine; i++) {
            map.addLine();
            mapFirstOffsetIfNeeded();
        }
        this.sourceLines.forEach((line, lineIdx) => {
            map.addLine();
            const spans = line.srcSpans;
            const parts = line.parts;
            let col0 = line.indent * _INDENT_WITH.length;
            let spanIdx = 0;
            // skip leading parts without source spans
            while (spanIdx < spans.length && !spans[spanIdx]) {
                col0 += parts[spanIdx].length;
                spanIdx++;
            }
            if (spanIdx < spans.length && lineIdx === 0 && col0 === 0) {
                firstOffsetMapped = true;
            }
            else {
                mapFirstOffsetIfNeeded();
            }
            while (spanIdx < spans.length) {
                const span = spans[spanIdx];
                const source = span.start.file;
                const sourceLine = span.start.line;
                const sourceCol = span.start.col;
                map.addSource(source.url, source.content)
                    .addMapping(col0, source.url, sourceLine, sourceCol);
                col0 += parts[spanIdx].length;
                spanIdx++;
                // assign parts without span or the same span to the previous segment
                while (spanIdx < spans.length && (span === spans[spanIdx] || !spans[spanIdx])) {
                    col0 += parts[spanIdx].length;
                    spanIdx++;
                }
            }
        });
        return map;
    }
    setPreambleLineCount(count) {
        return this._preambleLineCount = count;
    }
    spanOf(line, column) {
        const emittedLine = this._lines[line - this._preambleLineCount];
        if (emittedLine) {
            let columnsLeft = column - _createIndent(emittedLine.indent).length;
            for (let partIndex = 0; partIndex < emittedLine.parts.length; partIndex++) {
                const part = emittedLine.parts[partIndex];
                if (part.length > columnsLeft) {
                    return emittedLine.srcSpans[partIndex];
                }
                columnsLeft -= part.length;
            }
        }
        return null;
    }
    /**
     * @internal strip this from published d.ts files due to
     * https://github.com/microsoft/TypeScript/issues/36216
     */
    get sourceLines() {
        if (this._lines.length && this._lines[this._lines.length - 1].parts.length === 0) {
            return this._lines.slice(0, -1);
        }
        return this._lines;
    }
}
class AbstractEmitterVisitor {
    constructor(_escapeDollarInStrings) {
        this._escapeDollarInStrings = _escapeDollarInStrings;
    }
    printLeadingComments(stmt, ctx) {
        if (stmt.leadingComments === undefined) {
            return;
        }
        for (const comment of stmt.leadingComments) {
            if (comment instanceof JSDocComment) {
                ctx.print(stmt, `/*${comment.toString()}*/`, comment.trailingNewline);
            }
            else {
                if (comment.multiline) {
                    ctx.print(stmt, `/* ${comment.text} */`, comment.trailingNewline);
                }
                else {
                    comment.text.split('\n').forEach((line) => {
                        ctx.println(stmt, `// ${line}`);
                    });
                }
            }
        }
    }
    visitExpressionStmt(stmt, ctx) {
        this.printLeadingComments(stmt, ctx);
        stmt.expr.visitExpression(this, ctx);
        ctx.println(stmt, ';');
        return null;
    }
    visitReturnStmt(stmt, ctx) {
        this.printLeadingComments(stmt, ctx);
        ctx.print(stmt, `return `);
        stmt.value.visitExpression(this, ctx);
        ctx.println(stmt, ';');
        return null;
    }
    visitIfStmt(stmt, ctx) {
        this.printLeadingComments(stmt, ctx);
        ctx.print(stmt, `if (`);
        stmt.condition.visitExpression(this, ctx);
        ctx.print(stmt, `) {`);
        const hasElseCase = stmt.falseCase != null && stmt.falseCase.length > 0;
        if (stmt.trueCase.length <= 1 && !hasElseCase) {
            ctx.print(stmt, ` `);
            this.visitAllStatements(stmt.trueCase, ctx);
            ctx.removeEmptyLastLine();
            ctx.print(stmt, ` `);
        }
        else {
            ctx.println();
            ctx.incIndent();
            this.visitAllStatements(stmt.trueCase, ctx);
            ctx.decIndent();
            if (hasElseCase) {
                ctx.println(stmt, `} else {`);
                ctx.incIndent();
                this.visitAllStatements(stmt.falseCase, ctx);
                ctx.decIndent();
            }
        }
        ctx.println(stmt, `}`);
        return null;
    }
    visitThrowStmt(stmt, ctx) {
        this.printLeadingComments(stmt, ctx);
        ctx.print(stmt, `throw `);
        stmt.error.visitExpression(this, ctx);
        ctx.println(stmt, `;`);
        return null;
    }
    visitWriteVarExpr(expr, ctx) {
        const lineWasEmpty = ctx.lineIsEmpty();
        if (!lineWasEmpty) {
            ctx.print(expr, '(');
        }
        ctx.print(expr, `${expr.name} = `);
        expr.value.visitExpression(this, ctx);
        if (!lineWasEmpty) {
            ctx.print(expr, ')');
        }
        return null;
    }
    visitWriteKeyExpr(expr, ctx) {
        const lineWasEmpty = ctx.lineIsEmpty();
        if (!lineWasEmpty) {
            ctx.print(expr, '(');
        }
        expr.receiver.visitExpression(this, ctx);
        ctx.print(expr, `[`);
        expr.index.visitExpression(this, ctx);
        ctx.print(expr, `] = `);
        expr.value.visitExpression(this, ctx);
        if (!lineWasEmpty) {
            ctx.print(expr, ')');
        }
        return null;
    }
    visitWritePropExpr(expr, ctx) {
        const lineWasEmpty = ctx.lineIsEmpty();
        if (!lineWasEmpty) {
            ctx.print(expr, '(');
        }
        expr.receiver.visitExpression(this, ctx);
        ctx.print(expr, `.${expr.name} = `);
        expr.value.visitExpression(this, ctx);
        if (!lineWasEmpty) {
            ctx.print(expr, ')');
        }
        return null;
    }
    visitInvokeMethodExpr(expr, ctx) {
        expr.receiver.visitExpression(this, ctx);
        let name = expr.name;
        if (expr.builtin != null) {
            name = this.getBuiltinMethodName(expr.builtin);
            if (name == null) {
                // some builtins just mean to skip the call.
                return null;
            }
        }
        ctx.print(expr, `.${name}(`);
        this.visitAllExpressions(expr.args, ctx, `,`);
        ctx.print(expr, `)`);
        return null;
    }
    visitInvokeFunctionExpr(expr, ctx) {
        expr.fn.visitExpression(this, ctx);
        ctx.print(expr, `(`);
        this.visitAllExpressions(expr.args, ctx, ',');
        ctx.print(expr, `)`);
        return null;
    }
    visitTaggedTemplateExpr(expr, ctx) {
        expr.tag.visitExpression(this, ctx);
        ctx.print(expr, '`' + expr.template.elements[0].rawText);
        for (let i = 1; i < expr.template.elements.length; i++) {
            ctx.print(expr, '${');
            expr.template.expressions[i - 1].visitExpression(this, ctx);
            ctx.print(expr, `}${expr.template.elements[i].rawText}`);
        }
        ctx.print(expr, '`');
        return null;
    }
    visitWrappedNodeExpr(ast, ctx) {
        throw new Error('Abstract emitter cannot visit WrappedNodeExpr.');
    }
    visitTypeofExpr(expr, ctx) {
        ctx.print(expr, 'typeof ');
        expr.expr.visitExpression(this, ctx);
    }
    visitReadVarExpr(ast, ctx) {
        let varName = ast.name;
        if (ast.builtin != null) {
            switch (ast.builtin) {
                case BuiltinVar.Super:
                    varName = 'super';
                    break;
                case BuiltinVar.This:
                    varName = 'this';
                    break;
                case BuiltinVar.CatchError:
                    varName = CATCH_ERROR_VAR$1.name;
                    break;
                case BuiltinVar.CatchStack:
                    varName = CATCH_STACK_VAR$1.name;
                    break;
                default:
                    throw new Error(`Unknown builtin variable ${ast.builtin}`);
            }
        }
        ctx.print(ast, varName);
        return null;
    }
    visitInstantiateExpr(ast, ctx) {
        ctx.print(ast, `new `);
        ast.classExpr.visitExpression(this, ctx);
        ctx.print(ast, `(`);
        this.visitAllExpressions(ast.args, ctx, ',');
        ctx.print(ast, `)`);
        return null;
    }
    visitLiteralExpr(ast, ctx) {
        const value = ast.value;
        if (typeof value === 'string') {
            ctx.print(ast, escapeIdentifier(value, this._escapeDollarInStrings));
        }
        else {
            ctx.print(ast, `${value}`);
        }
        return null;
    }
    visitLocalizedString(ast, ctx) {
        const head = ast.serializeI18nHead();
        ctx.print(ast, '$localize `' + head.raw);
        for (let i = 1; i < ast.messageParts.length; i++) {
            ctx.print(ast, '${');
            ast.expressions[i - 1].visitExpression(this, ctx);
            ctx.print(ast, `}${ast.serializeI18nTemplatePart(i).raw}`);
        }
        ctx.print(ast, '`');
        return null;
    }
    visitConditionalExpr(ast, ctx) {
        ctx.print(ast, `(`);
        ast.condition.visitExpression(this, ctx);
        ctx.print(ast, '? ');
        ast.trueCase.visitExpression(this, ctx);
        ctx.print(ast, ': ');
        ast.falseCase.visitExpression(this, ctx);
        ctx.print(ast, `)`);
        return null;
    }
    visitNotExpr(ast, ctx) {
        ctx.print(ast, '!');
        ast.condition.visitExpression(this, ctx);
        return null;
    }
    visitAssertNotNullExpr(ast, ctx) {
        ast.condition.visitExpression(this, ctx);
        return null;
    }
    visitUnaryOperatorExpr(ast, ctx) {
        let opStr;
        switch (ast.operator) {
            case UnaryOperator.Plus:
                opStr = '+';
                break;
            case UnaryOperator.Minus:
                opStr = '-';
                break;
            default:
                throw new Error(`Unknown operator ${ast.operator}`);
        }
        if (ast.parens)
            ctx.print(ast, `(`);
        ctx.print(ast, opStr);
        ast.expr.visitExpression(this, ctx);
        if (ast.parens)
            ctx.print(ast, `)`);
        return null;
    }
    visitBinaryOperatorExpr(ast, ctx) {
        let opStr;
        switch (ast.operator) {
            case BinaryOperator.Equals:
                opStr = '==';
                break;
            case BinaryOperator.Identical:
                opStr = '===';
                break;
            case BinaryOperator.NotEquals:
                opStr = '!=';
                break;
            case BinaryOperator.NotIdentical:
                opStr = '!==';
                break;
            case BinaryOperator.And:
                opStr = '&&';
                break;
            case BinaryOperator.BitwiseAnd:
                opStr = '&';
                break;
            case BinaryOperator.Or:
                opStr = '||';
                break;
            case BinaryOperator.Plus:
                opStr = '+';
                break;
            case BinaryOperator.Minus:
                opStr = '-';
                break;
            case BinaryOperator.Divide:
                opStr = '/';
                break;
            case BinaryOperator.Multiply:
                opStr = '*';
                break;
            case BinaryOperator.Modulo:
                opStr = '%';
                break;
            case BinaryOperator.Lower:
                opStr = '<';
                break;
            case BinaryOperator.LowerEquals:
                opStr = '<=';
                break;
            case BinaryOperator.Bigger:
                opStr = '>';
                break;
            case BinaryOperator.BiggerEquals:
                opStr = '>=';
                break;
            case BinaryOperator.NullishCoalesce:
                opStr = '??';
                break;
            default:
                throw new Error(`Unknown operator ${ast.operator}`);
        }
        if (ast.parens)
            ctx.print(ast, `(`);
        ast.lhs.visitExpression(this, ctx);
        ctx.print(ast, ` ${opStr} `);
        ast.rhs.visitExpression(this, ctx);
        if (ast.parens)
            ctx.print(ast, `)`);
        return null;
    }
    visitReadPropExpr(ast, ctx) {
        ast.receiver.visitExpression(this, ctx);
        ctx.print(ast, `.`);
        ctx.print(ast, ast.name);
        return null;
    }
    visitReadKeyExpr(ast, ctx) {
        ast.receiver.visitExpression(this, ctx);
        ctx.print(ast, `[`);
        ast.index.visitExpression(this, ctx);
        ctx.print(ast, `]`);
        return null;
    }
    visitLiteralArrayExpr(ast, ctx) {
        ctx.print(ast, `[`);
        this.visitAllExpressions(ast.entries, ctx, ',');
        ctx.print(ast, `]`);
        return null;
    }
    visitLiteralMapExpr(ast, ctx) {
        ctx.print(ast, `{`);
        this.visitAllObjects(entry => {
            ctx.print(ast, `${escapeIdentifier(entry.key, this._escapeDollarInStrings, entry.quoted)}:`);
            entry.value.visitExpression(this, ctx);
        }, ast.entries, ctx, ',');
        ctx.print(ast, `}`);
        return null;
    }
    visitCommaExpr(ast, ctx) {
        ctx.print(ast, '(');
        this.visitAllExpressions(ast.parts, ctx, ',');
        ctx.print(ast, ')');
        return null;
    }
    visitAllExpressions(expressions, ctx, separator) {
        this.visitAllObjects(expr => expr.visitExpression(this, ctx), expressions, ctx, separator);
    }
    visitAllObjects(handler, expressions, ctx, separator) {
        let incrementedIndent = false;
        for (let i = 0; i < expressions.length; i++) {
            if (i > 0) {
                if (ctx.lineLength() > 80) {
                    ctx.print(null, separator, true);
                    if (!incrementedIndent) {
                        // continuation are marked with double indent.
                        ctx.incIndent();
                        ctx.incIndent();
                        incrementedIndent = true;
                    }
                }
                else {
                    ctx.print(null, separator, false);
                }
            }
            handler(expressions[i]);
        }
        if (incrementedIndent) {
            // continuation are marked with double indent.
            ctx.decIndent();
            ctx.decIndent();
        }
    }
    visitAllStatements(statements, ctx) {
        statements.forEach((stmt) => stmt.visitStatement(this, ctx));
    }
}
function escapeIdentifier(input, escapeDollar, alwaysQuote = true) {
    if (input == null) {
        return null;
    }
    const body = input.replace(_SINGLE_QUOTE_ESCAPE_STRING_RE, (...match) => {
        if (match[0] == '$') {
            return escapeDollar ? '\\$' : '$';
        }
        else if (match[0] == '\n') {
            return '\\n';
        }
        else if (match[0] == '\r') {
            return '\\r';
        }
        else {
            return `\\${match[0]}`;
        }
    });
    const requiresQuotes = alwaysQuote || !_LEGAL_IDENTIFIER_RE.test(body);
    return requiresQuotes ? `'${body}'` : body;
}
function _createIndent(count) {
    let res = '';
    for (let i = 0; i < count; i++) {
        res += _INDENT_WITH;
    }
    return res;
}

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
function typeWithParameters(type, numParams) {
    if (numParams === 0) {
        return expressionType(type);
    }
    const params = [];
    for (let i = 0; i < numParams; i++) {
        params.push(DYNAMIC_TYPE);
    }
    return expressionType(type, undefined, params);
}
const ANIMATE_SYMBOL_PREFIX = '@';
function prepareSyntheticPropertyName(name) {
    return `${ANIMATE_SYMBOL_PREFIX}${name}`;
}
function prepareSyntheticListenerName(name, phase) {
    return `${ANIMATE_SYMBOL_PREFIX}${name}.${phase}`;
}
function getSafePropertyAccessString(accessor, name) {
    const escapedName = escapeIdentifier(name, false, false);
    return escapedName !== name ? `${accessor}[${escapedName}]` : `${accessor}.${name}`;
}
function prepareSyntheticListenerFunctionName(name, phase) {
    return `animation_${name}_${phase}`;
}
function jitOnlyGuardedExpression(expr) {
    return guardedExpression('ngJitMode', expr);
}
function devOnlyGuardedExpression(expr) {
    return guardedExpression('ngDevMode', expr);
}
function guardedExpression(guard, expr) {
    const guardExpr = new ExternalExpr({ name: guard, moduleName: null });
    const guardNotDefined = new BinaryOperatorExpr(BinaryOperator.Identical, new TypeofExpr(guardExpr), literal('undefined'));
    const guardUndefinedOrTrue = new BinaryOperatorExpr(BinaryOperator.Or, guardNotDefined, guardExpr, /* type */ undefined, 
    /* sourceSpan */ undefined, true);
    return new BinaryOperatorExpr(BinaryOperator.And, guardUndefinedOrTrue, expr);
}
function wrapReference(value) {
    const wrapped = new WrappedNodeExpr(value);
    return { value: wrapped, type: wrapped };
}
function refsToArray(refs, shouldForwardDeclare) {
    const values = literalArr(refs.map(ref => ref.value));
    return shouldForwardDeclare ? fn([], [new ReturnStatement(values)]) : values;
}

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
var R3FactoryDelegateType;
(function (R3FactoryDelegateType) {
    R3FactoryDelegateType[R3FactoryDelegateType["Class"] = 0] = "Class";
    R3FactoryDelegateType[R3FactoryDelegateType["Function"] = 1] = "Function";
})(R3FactoryDelegateType || (R3FactoryDelegateType = {}));
var FactoryTarget;
(function (FactoryTarget) {
    FactoryTarget[FactoryTarget["Directive"] = 0] = "Directive";
    FactoryTarget[FactoryTarget["Component"] = 1] = "Component";
    FactoryTarget[FactoryTarget["Injectable"] = 2] = "Injectable";
    FactoryTarget[FactoryTarget["Pipe"] = 3] = "Pipe";
    FactoryTarget[FactoryTarget["NgModule"] = 4] = "NgModule";
})(FactoryTarget || (FactoryTarget = {}));
/**
 * Construct a factory function expression for the given `R3FactoryMetadata`.
 */
function compileFactoryFunction(meta) {
    const t = variable('t');
    let baseFactoryVar = null;
    // The type to instantiate via constructor invocation. If there is no delegated factory, meaning
    // this type is always created by constructor invocation, then this is the type-to-create
    // parameter provided by the user (t) if specified, or the current type if not. If there is a
    // delegated factory (which is used to create the current type) then this is only the type-to-
    // create parameter (t).
    const typeForCtor = !isDelegatedFactoryMetadata(meta) ?
        new BinaryOperatorExpr(BinaryOperator.Or, t, meta.internalType) :
        t;
    let ctorExpr = null;
    if (meta.deps !== null) {
        // There is a constructor (either explicitly or implicitly defined).
        if (meta.deps !== 'invalid') {
            ctorExpr = new InstantiateExpr(typeForCtor, injectDependencies(meta.deps, meta.target));
        }
    }
    else {
        // There is no constructor, use the base class' factory to construct typeForCtor.
        baseFactoryVar = variable(`ɵ${meta.name}_BaseFactory`);
        ctorExpr = baseFactoryVar.callFn([typeForCtor]);
    }
    const body = [];
    let retExpr = null;
    function makeConditionalFactory(nonCtorExpr) {
        const r = variable('r');
        body.push(r.set(NULL_EXPR).toDeclStmt());
        const ctorStmt = ctorExpr !== null ? r.set(ctorExpr).toStmt() :
            importExpr(Identifiers.invalidFactory).callFn([]).toStmt();
        body.push(ifStmt(t, [ctorStmt], [r.set(nonCtorExpr).toStmt()]));
        return r;
    }
    if (isDelegatedFactoryMetadata(meta)) {
        // This type is created with a delegated factory. If a type parameter is not specified, call
        // the factory instead.
        const delegateArgs = injectDependencies(meta.delegateDeps, meta.target);
        // Either call `new delegate(...)` or `delegate(...)` depending on meta.delegateType.
        const factoryExpr = new (meta.delegateType === R3FactoryDelegateType.Class ?
            InstantiateExpr :
            InvokeFunctionExpr)(meta.delegate, delegateArgs);
        retExpr = makeConditionalFactory(factoryExpr);
    }
    else if (isExpressionFactoryMetadata(meta)) {
        // TODO(alxhub): decide whether to lower the value here or in the caller
        retExpr = makeConditionalFactory(meta.expression);
    }
    else {
        retExpr = ctorExpr;
    }
    if (retExpr === null) {
        // The expression cannot be formed so render an `ɵɵinvalidFactory()` call.
        body.push(importExpr(Identifiers.invalidFactory).callFn([]).toStmt());
    }
    else if (baseFactoryVar !== null) {
        // This factory uses a base factory, so call `ɵɵgetInheritedFactory()` to compute it.
        const getInheritedFactoryCall = importExpr(Identifiers.getInheritedFactory).callFn([meta.internalType]);
        // Memoize the base factoryFn: `baseFactory || (baseFactory = ɵɵgetInheritedFactory(...))`
        const baseFactory = new BinaryOperatorExpr(BinaryOperator.Or, baseFactoryVar, baseFactoryVar.set(getInheritedFactoryCall));
        body.push(new ReturnStatement(baseFactory.callFn([typeForCtor])));
    }
    else {
        // This is straightforward factory, just return it.
        body.push(new ReturnStatement(retExpr));
    }
    let factoryFn = fn([new FnParam('t', DYNAMIC_TYPE)], body, INFERRED_TYPE, undefined, `${meta.name}_Factory`);
    if (baseFactoryVar !== null) {
        // There is a base factory variable so wrap its declaration along with the factory function into
        // an IIFE.
        factoryFn = fn([], [
            new DeclareVarStmt(baseFactoryVar.name), new ReturnStatement(factoryFn)
        ]).callFn([], /* sourceSpan */ undefined, /* pure */ true);
    }
    return {
        expression: factoryFn,
        statements: [],
        type: createFactoryType(meta),
    };
}
function createFactoryType(meta) {
    const ctorDepsType = meta.deps !== null && meta.deps !== 'invalid' ? createCtorDepsType(meta.deps) : NONE_TYPE;
    return expressionType(importExpr(Identifiers.FactoryDeclaration, [typeWithParameters(meta.type.type, meta.typeArgumentCount), ctorDepsType]));
}
function injectDependencies(deps, target) {
    return deps.map((dep, index) => compileInjectDependency(dep, target, index));
}
function compileInjectDependency(dep, target, index) {
    // Interpret the dependency according to its resolved type.
    if (dep.token === null) {
        return importExpr(Identifiers.invalidFactoryDep).callFn([literal(index)]);
    }
    else if (dep.attributeNameType === null) {
        // Build up the injection flags according to the metadata.
        const flags = 0 /* Default */ | (dep.self ? 2 /* Self */ : 0) |
            (dep.skipSelf ? 4 /* SkipSelf */ : 0) | (dep.host ? 1 /* Host */ : 0) |
            (dep.optional ? 8 /* Optional */ : 0) |
            (target === FactoryTarget.Pipe ? 16 /* ForPipe */ : 0);
        // If this dependency is optional or otherwise has non-default flags, then additional
        // parameters describing how to inject the dependency must be passed to the inject function
        // that's being used.
        let flagsParam = (flags !== 0 /* Default */ || dep.optional) ? literal(flags) : null;
        // Build up the arguments to the injectFn call.
        const injectArgs = [dep.token];
        if (flagsParam) {
            injectArgs.push(flagsParam);
        }
        const injectFn = getInjectFn(target);
        return importExpr(injectFn).callFn(injectArgs);
    }
    else {
        // The `dep.attributeTypeName` value is defined, which indicates that this is an `@Attribute()`
        // type dependency. For the generated JS we still want to use the `dep.token` value in case the
        // name given for the attribute is not a string literal. For example given `@Attribute(foo())`,
        // we want to generate `ɵɵinjectAttribute(foo())`.
        //
        // The `dep.attributeTypeName` is only actually used (in `createCtorDepType()`) to generate
        // typings.
        return importExpr(Identifiers.injectAttribute).callFn([dep.token]);
    }
}
function createCtorDepsType(deps) {
    let hasTypes = false;
    const attributeTypes = deps.map(dep => {
        const type = createCtorDepType(dep);
        if (type !== null) {
            hasTypes = true;
            return type;
        }
        else {
            return literal(null);
        }
    });
    if (hasTypes) {
        return expressionType(literalArr(attributeTypes));
    }
    else {
        return NONE_TYPE;
    }
}
function createCtorDepType(dep) {
    const entries = [];
    if (dep.attributeNameType !== null) {
        entries.push({ key: 'attribute', value: dep.attributeNameType, quoted: false });
    }
    if (dep.optional) {
        entries.push({ key: 'optional', value: literal(true), quoted: false });
    }
    if (dep.host) {
        entries.push({ key: 'host', value: literal(true), quoted: false });
    }
    if (dep.self) {
        entries.push({ key: 'self', value: literal(true), quoted: false });
    }
    if (dep.skipSelf) {
        entries.push({ key: 'skipSelf', value: literal(true), quoted: false });
    }
    return entries.length > 0 ? literalMap(entries) : null;
}
function isDelegatedFactoryMetadata(meta) {
    return meta.delegateType !== undefined;
}
function isExpressionFactoryMetadata(meta) {
    return meta.expression !== undefined;
}
function getInjectFn(target) {
    switch (target) {
        case FactoryTarget.Component:
        case FactoryTarget.Directive:
        case FactoryTarget.Pipe:
            return Identifiers.directiveInject;
        case FactoryTarget.NgModule:
        case FactoryTarget.Injectable:
        default:
            return Identifiers.inject;
    }
}

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
function createR3ProviderExpression(expression, isForwardRef) {
    return { expression, isForwardRef };
}
function compileInjectable(meta, resolveForwardRefs) {
    let result = null;
    const factoryMeta = {
        name: meta.name,
        type: meta.type,
        internalType: meta.internalType,
        typeArgumentCount: meta.typeArgumentCount,
        deps: [],
        target: FactoryTarget.Injectable,
    };
    if (meta.useClass !== undefined) {
        // meta.useClass has two modes of operation. Either deps are specified, in which case `new` is
        // used to instantiate the class with dependencies injected, or deps are not specified and
        // the factory of the class is used to instantiate it.
        //
        // A special case exists for useClass: Type where Type is the injectable type itself and no
        // deps are specified, in which case 'useClass' is effectively ignored.
        const useClassOnSelf = meta.useClass.expression.isEquivalent(meta.internalType);
        let deps = undefined;
        if (meta.deps !== undefined) {
            deps = meta.deps;
        }
        if (deps !== undefined) {
            // factory: () => new meta.useClass(...deps)
            result = compileFactoryFunction(Object.assign(Object.assign({}, factoryMeta), { delegate: meta.useClass.expression, delegateDeps: deps, delegateType: R3FactoryDelegateType.Class }));
        }
        else if (useClassOnSelf) {
            result = compileFactoryFunction(factoryMeta);
        }
        else {
            result = {
                statements: [],
                expression: delegateToFactory(meta.type.value, meta.useClass.expression, resolveForwardRefs)
            };
        }
    }
    else if (meta.useFactory !== undefined) {
        if (meta.deps !== undefined) {
            result = compileFactoryFunction(Object.assign(Object.assign({}, factoryMeta), { delegate: meta.useFactory, delegateDeps: meta.deps || [], delegateType: R3FactoryDelegateType.Function }));
        }
        else {
            result = {
                statements: [],
                expression: fn([], [new ReturnStatement(meta.useFactory.callFn([]))])
            };
        }
    }
    else if (meta.useValue !== undefined) {
        // Note: it's safe to use `meta.useValue` instead of the `USE_VALUE in meta` check used for
        // client code because meta.useValue is an Expression which will be defined even if the actual
        // value is undefined.
        result = compileFactoryFunction(Object.assign(Object.assign({}, factoryMeta), { expression: meta.useValue.expression }));
    }
    else if (meta.useExisting !== undefined) {
        // useExisting is an `inject` call on the existing token.
        result = compileFactoryFunction(Object.assign(Object.assign({}, factoryMeta), { expression: importExpr(Identifiers.inject).callFn([meta.useExisting.expression]) }));
    }
    else {
        result = {
            statements: [],
            expression: delegateToFactory(meta.type.value, meta.internalType, resolveForwardRefs)
        };
    }
    const token = meta.internalType;
    const injectableProps = new DefinitionMap();
    injectableProps.set('token', token);
    injectableProps.set('factory', result.expression);
    // Only generate providedIn property if it has a non-null value
    if (meta.providedIn.expression.value !== null) {
        injectableProps.set('providedIn', meta.providedIn.isForwardRef ? generateForwardRef(meta.providedIn.expression) :
            meta.providedIn.expression);
    }
    const expression = importExpr(Identifiers.ɵɵdefineInjectable)
        .callFn([injectableProps.toLiteralMap()], undefined, true);
    return {
        expression,
        type: createInjectableType(meta),
        statements: result.statements,
    };
}
function createInjectableType(meta) {
    return new ExpressionType(importExpr(Identifiers.InjectableDeclaration, [typeWithParameters(meta.type.type, meta.typeArgumentCount)]));
}
function delegateToFactory(type, internalType, unwrapForwardRefs) {
    if (type.node === internalType.node) {
        // The types are the same, so we can simply delegate directly to the type's factory.
        // ```
        // factory: type.ɵfac
        // ```
        return internalType.prop('ɵfac');
    }
    if (!unwrapForwardRefs) {
        // The type is not wrapped in a `forwardRef()`, so we create a simple factory function that
        // accepts a sub-type as an argument.
        // ```
        // factory: function(t) { return internalType.ɵfac(t); }
        // ```
        return createFactoryFunction(internalType);
    }
    // The internalType is actually wrapped in a `forwardRef()` so we need to resolve that before
    // calling its factory.
    // ```
    // factory: function(t) { return core.resolveForwardRef(type).ɵfac(t); }
    // ```
    const unwrappedType = importExpr(Identifiers.resolveForwardRef).callFn([internalType]);
    return createFactoryFunction(unwrappedType);
}
function createFactoryFunction(type) {
    return fn([new FnParam('t', DYNAMIC_TYPE)], [new ReturnStatement(type.callMethod('ɵfac', [variable('t')]))]);
}

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
function assertArrayOfStrings(identifier, value) {
    if (value == null) {
        return;
    }
    if (!Array.isArray(value)) {
        throw new Error(`Expected '${identifier}' to be an array of strings.`);
    }
    for (let i = 0; i < value.length; i += 1) {
        if (typeof value[i] !== 'string') {
            throw new Error(`Expected '${identifier}' to be an array of strings.`);
        }
    }
}
const UNUSABLE_INTERPOLATION_REGEXPS = [
    /^\s*$/,
    /[<>]/,
    /^[{}]$/,
    /&(#|[a-z])/i,
    /^\/\//, // comment
];
function assertInterpolationSymbols(identifier, value) {
    if (value != null && !(Array.isArray(value) && value.length == 2)) {
        throw new Error(`Expected '${identifier}' to be an array, [start, end].`);
    }
    else if (value != null) {
        const start = value[0];
        const end = value[1];
        // Check for unusable interpolation symbols
        UNUSABLE_INTERPOLATION_REGEXPS.forEach(regexp => {
            if (regexp.test(start) || regexp.test(end)) {
                throw new Error(`['${start}', '${end}'] contains unusable interpolation symbol.`);
            }
        });
    }
}

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
class InterpolationConfig {
    constructor(start, end) {
        this.start = start;
        this.end = end;
    }
    static fromArray(markers) {
        if (!markers) {
            return DEFAULT_INTERPOLATION_CONFIG;
        }
        assertInterpolationSymbols('interpolation', markers);
        return new InterpolationConfig(markers[0], markers[1]);
    }
}
const DEFAULT_INTERPOLATION_CONFIG = new InterpolationConfig('{{', '}}');

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
/**
 * A token representing the a reference to a static type.
 *
 * This token is unique for a filePath and name and can be used as a hash table key.
 */
class StaticSymbol {
    constructor(filePath, name, members) {
        this.filePath = filePath;
        this.name = name;
        this.members = members;
    }
    assertNoMembers() {
        if (this.members.length) {
            throw new Error(`Illegal state: symbol without members expected, but got ${JSON.stringify(this)}.`);
        }
    }
}
/**
 * A cache of static symbol used by the StaticReflector to return the same symbol for the
 * same symbol values.
 */
class StaticSymbolCache {
    constructor() {
        this.cache = new Map();
    }
    get(declarationFile, name, members) {
        members = members || [];
        const memberSuffix = members.length ? `.${members.join('.')}` : '';
        const key = `"${declarationFile}".${name}${memberSuffix}`;
        let result = this.cache.get(key);
        if (!result) {
            result = new StaticSymbol(declarationFile, name, members);
            this.cache.set(key, result);
        }
        return result;
    }
}

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
// group 0: "[prop] or (event) or @trigger"
// group 1: "prop" from "[prop]"
// group 2: "event" from "(event)"
// group 3: "@trigger" from "@trigger"
const HOST_REG_EXP = /^(?:(?:\[([^\]]+)\])|(?:\(([^\)]+)\)))|(\@[-\w]+)$/;
function sanitizeIdentifier(name) {
    return name.replace(/\W/g, '_');
}
let _anonymousTypeIndex = 0;
function identifierName(compileIdentifier) {
    if (!compileIdentifier || !compileIdentifier.reference) {
        return null;
    }
    const ref = compileIdentifier.reference;
    if (ref instanceof StaticSymbol) {
        return ref.name;
    }
    if (ref['__anonymousType']) {
        return ref['__anonymousType'];
    }
    if (ref['__forward_ref__']) {
        // We do not want to try to stringify a `forwardRef()` function because that would cause the
        // inner function to be evaluated too early, defeating the whole point of the `forwardRef`.
        return '__forward_ref__';
    }
    let identifier = stringify(ref);
    if (identifier.indexOf('(') >= 0) {
        // case: anonymous functions!
        identifier = `anonymous_${_anonymousTypeIndex++}`;
        ref['__anonymousType'] = identifier;
    }
    else {
        identifier = sanitizeIdentifier(identifier);
    }
    return identifier;
}
function identifierModuleUrl(compileIdentifier) {
    const ref = compileIdentifier.reference;
    if (ref instanceof StaticSymbol) {
        return ref.filePath;
    }
    // Runtime type
    return `./${stringify(ref)}`;
}
function viewClassName(compType, embeddedTemplateIndex) {
    return `View_${identifierName({ reference: compType })}_${embeddedTemplateIndex}`;
}
function rendererTypeName(compType) {
    return `RenderType_${identifierName({ reference: compType })}`;
}
function hostViewClassName(compType) {
    return `HostView_${identifierName({ reference: compType })}`;
}
function componentFactoryName(compType) {
    return `${identifierName({ reference: compType })}NgFactory`;
}
var CompileSummaryKind;
(function (CompileSummaryKind) {
    CompileSummaryKind[CompileSummaryKind["Pipe"] = 0] = "Pipe";
    CompileSummaryKind[CompileSummaryKind["Directive"] = 1] = "Directive";
    CompileSummaryKind[CompileSummaryKind["NgModule"] = 2] = "NgModule";
    CompileSummaryKind[CompileSummaryKind["Injectable"] = 3] = "Injectable";
})(CompileSummaryKind || (CompileSummaryKind = {}));
function tokenName(token) {
    return token.value != null ? sanitizeIdentifier(token.value) : identifierName(token.identifier);
}
function tokenReference(token) {
    if (token.identifier != null) {
        return token.identifier.reference;
    }
    else {
        return token.value;
    }
}
/**
 * Metadata about a stylesheet
 */
class CompileStylesheetMetadata {
    constructor({ moduleUrl, styles, styleUrls } = {}) {
        this.moduleUrl = moduleUrl || null;
        this.styles = _normalizeArray(styles);
        this.styleUrls = _normalizeArray(styleUrls);
    }
}
/**
 * Metadata regarding compilation of a template.
 */
class CompileTemplateMetadata {
    constructor({ encapsulation, template, templateUrl, htmlAst, styles, styleUrls, externalStylesheets, animations, ngContentSelectors, interpolation, isInline, preserveWhitespaces }) {
        this.encapsulation = encapsulation;
        this.template = template;
        this.templateUrl = templateUrl;
        this.htmlAst = htmlAst;
        this.styles = _normalizeArray(styles);
        this.styleUrls = _normalizeArray(styleUrls);
        this.externalStylesheets = _normalizeArray(externalStylesheets);
        this.animations = animations ? flatten(animations) : [];
        this.ngContentSelectors = ngContentSelectors || [];
        if (interpolation && interpolation.length != 2) {
            throw new Error(`'interpolation' should have a start and an end symbol.`);
        }
        this.interpolation = interpolation;
        this.isInline = isInline;
        this.preserveWhitespaces = preserveWhitespaces;
    }
    toSummary() {
        return {
            ngContentSelectors: this.ngContentSelectors,
            encapsulation: this.encapsulation,
            styles: this.styles,
            animations: this.animations
        };
    }
}
/**
 * Metadata regarding compilation of a directive.
 */
class CompileDirectiveMetadata {
    constructor({ isHost, type, isComponent, selector, exportAs, changeDetection, inputs, outputs, hostListeners, hostProperties, hostAttributes, providers, viewProviders, queries, guards, viewQueries, entryComponents, template, componentViewType, rendererType, componentFactory }) {
        this.isHost = !!isHost;
        this.type = type;
        this.isComponent = isComponent;
        this.selector = selector;
        this.exportAs = exportAs;
        this.changeDetection = changeDetection;
        this.inputs = inputs;
        this.outputs = outputs;
        this.hostListeners = hostListeners;
        this.hostProperties = hostProperties;
        this.hostAttributes = hostAttributes;
        this.providers = _normalizeArray(providers);
        this.viewProviders = _normalizeArray(viewProviders);
        this.queries = _normalizeArray(queries);
        this.guards = guards;
        this.viewQueries = _normalizeArray(viewQueries);
        this.entryComponents = _normalizeArray(entryComponents);
        this.template = template;
        this.componentViewType = componentViewType;
        this.rendererType = rendererType;
        this.componentFactory = componentFactory;
    }
    static create({ isHost, type, isComponent, selector, exportAs, changeDetection, inputs, outputs, host, providers, viewProviders, queries, guards, viewQueries, entryComponents, template, componentViewType, rendererType, componentFactory }) {
        const hostListeners = {};
        const hostProperties = {};
        const hostAttributes = {};
        if (host != null) {
            Object.keys(host).forEach(key => {
                const value = host[key];
                const matches = key.match(HOST_REG_EXP);
                if (matches === null) {
                    hostAttributes[key] = value;
                }
                else if (matches[1] != null) {
                    hostProperties[matches[1]] = value;
                }
                else if (matches[2] != null) {
                    hostListeners[matches[2]] = value;
                }
            });
        }
        const inputsMap = {};
        if (inputs != null) {
            inputs.forEach((bindConfig) => {
                // canonical syntax: `dirProp: elProp`
                // if there is no `:`, use dirProp = elProp
                const parts = splitAtColon(bindConfig, [bindConfig, bindConfig]);
                inputsMap[parts[0]] = parts[1];
            });
        }
        const outputsMap = {};
        if (outputs != null) {
            outputs.forEach((bindConfig) => {
                // canonical syntax: `dirProp: elProp`
                // if there is no `:`, use dirProp = elProp
                const parts = splitAtColon(bindConfig, [bindConfig, bindConfig]);
                outputsMap[parts[0]] = parts[1];
            });
        }
        return new CompileDirectiveMetadata({
            isHost,
            type,
            isComponent: !!isComponent,
            selector,
            exportAs,
            changeDetection,
            inputs: inputsMap,
            outputs: outputsMap,
            hostListeners,
            hostProperties,
            hostAttributes,
            providers,
            viewProviders,
            queries,
            guards,
            viewQueries,
            entryComponents,
            template,
            componentViewType,
            rendererType,
            componentFactory,
        });
    }
    toSummary() {
        return {
            summaryKind: CompileSummaryKind.Directive,
            type: this.type,
            isComponent: this.isComponent,
            selector: this.selector,
            exportAs: this.exportAs,
            inputs: this.inputs,
            outputs: this.outputs,
            hostListeners: this.hostListeners,
            hostProperties: this.hostProperties,
            hostAttributes: this.hostAttributes,
            providers: this.providers,
            viewProviders: this.viewProviders,
            queries: this.queries,
            guards: this.guards,
            viewQueries: this.viewQueries,
            entryComponents: this.entryComponents,
            changeDetection: this.changeDetection,
            template: this.template && this.template.toSummary(),
            componentViewType: this.componentViewType,
            rendererType: this.rendererType,
            componentFactory: this.componentFactory
        };
    }
}
class CompilePipeMetadata {
    constructor({ type, name, pure }) {
        this.type = type;
        this.name = name;
        this.pure = !!pure;
    }
    toSummary() {
        return {
            summaryKind: CompileSummaryKind.Pipe,
            type: this.type,
            name: this.name,
            pure: this.pure
        };
    }
}
class CompileShallowModuleMetadata {
}
/**
 * Metadata regarding compilation of a module.
 */
class CompileNgModuleMetadata {
    constructor({ type, providers, declaredDirectives, exportedDirectives, declaredPipes, exportedPipes, entryComponents, bootstrapComponents, importedModules, exportedModules, schemas, transitiveModule, id }) {
        this.type = type || null;
        this.declaredDirectives = _normalizeArray(declaredDirectives);
        this.exportedDirectives = _normalizeArray(exportedDirectives);
        this.declaredPipes = _normalizeArray(declaredPipes);
        this.exportedPipes = _normalizeArray(exportedPipes);
        this.providers = _normalizeArray(providers);
        this.entryComponents = _normalizeArray(entryComponents);
        this.bootstrapComponents = _normalizeArray(bootstrapComponents);
        this.importedModules = _normalizeArray(importedModules);
        this.exportedModules = _normalizeArray(exportedModules);
        this.schemas = _normalizeArray(schemas);
        this.id = id || null;
        this.transitiveModule = transitiveModule || null;
    }
    toSummary() {
        const module = this.transitiveModule;
        return {
            summaryKind: CompileSummaryKind.NgModule,
            type: this.type,
            entryComponents: module.entryComponents,
            providers: module.providers,
            modules: module.modules,
            exportedDirectives: module.exportedDirectives,
            exportedPipes: module.exportedPipes
        };
    }
}
class TransitiveCompileNgModuleMetadata {
    constructor() {
        this.directivesSet = new Set();
        this.directives = [];
        this.exportedDirectivesSet = new Set();
        this.exportedDirectives = [];
        this.pipesSet = new Set();
        this.pipes = [];
        this.exportedPipesSet = new Set();
        this.exportedPipes = [];
        this.modulesSet = new Set();
        this.modules = [];
        this.entryComponentsSet = new Set();
        this.entryComponents = [];
        this.providers = [];
    }
    addProvider(provider, module) {
        this.providers.push({ provider: provider, module: module });
    }
    addDirective(id) {
        if (!this.directivesSet.has(id.reference)) {
            this.directivesSet.add(id.reference);
            this.directives.push(id);
        }
    }
    addExportedDirective(id) {
        if (!this.exportedDirectivesSet.has(id.reference)) {
            this.exportedDirectivesSet.add(id.reference);
            this.exportedDirectives.push(id);
        }
    }
    addPipe(id) {
        if (!this.pipesSet.has(id.reference)) {
            this.pipesSet.add(id.reference);
            this.pipes.push(id);
        }
    }
    addExportedPipe(id) {
        if (!this.exportedPipesSet.has(id.reference)) {
            this.exportedPipesSet.add(id.reference);
            this.exportedPipes.push(id);
        }
    }
    addModule(id) {
        if (!this.modulesSet.has(id.reference)) {
            this.modulesSet.add(id.reference);
            this.modules.push(id);
        }
    }
    addEntryComponent(ec) {
        if (!this.entryComponentsSet.has(ec.componentType)) {
            this.entryComponentsSet.add(ec.componentType);
            this.entryComponents.push(ec);
        }
    }
}
function _normalizeArray(obj) {
    return obj || [];
}
class ProviderMeta {
    constructor(token, { useClass, useValue, useExisting, useFactory, deps, multi }) {
        this.token = token;
        this.useClass = useClass || null;
        this.useValue = useValue;
        this.useExisting = useExisting;
        this.useFactory = useFactory || null;
        this.dependencies = deps || null;
        this.multi = !!multi;
    }
}
function flatten(list) {
    return list.reduce((flat, item) => {
        const flatItem = Array.isArray(item) ? flatten(item) : item;
        return flat.concat(flatItem);
    }, []);
}
function jitSourceUrl(url) {
    // Note: We need 3 "/" so that ng shows up as a separate domain
    // in the chrome dev tools.
    return url.replace(/(\w+:\/\/[\w:-]+)?(\/+)?/, 'ng:///');
}
function templateSourceUrl(ngModuleType, compMeta, templateMeta) {
    let url;
    if (templateMeta.isInline) {
        if (compMeta.type.reference instanceof StaticSymbol) {
            // Note: a .ts file might contain multiple components with inline templates,
            // so we need to give them unique urls, as these will be used for sourcemaps.
            url = `${compMeta.type.reference.filePath}.${compMeta.type.reference.name}.html`;
        }
        else {
            url = `${identifierName(ngModuleType)}/${identifierName(compMeta.type)}.html`;
        }
    }
    else {
        url = templateMeta.templateUrl;
    }
    return compMeta.type.reference instanceof StaticSymbol ? url : jitSourceUrl(url);
}
function sharedStylesheetJitUrl(meta, id) {
    const pathParts = meta.moduleUrl.split(/\/\\/g);
    const baseName = pathParts[pathParts.length - 1];
    return jitSourceUrl(`css/${id}${baseName}.ngstyle.js`);
}
function ngModuleJitUrl(moduleMeta) {
    return jitSourceUrl(`${identifierName(moduleMeta.type)}/module.ngfactory.js`);
}
function templateJitUrl(ngModuleType, compMeta) {
    return jitSourceUrl(`${identifierName(ngModuleType)}/${identifierName(compMeta.type)}.ngfactory.js`);
}

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
/**
 * In TypeScript, tagged template functions expect a "template object", which is an array of
 * "cooked" strings plus a `raw` property that contains an array of "raw" strings. This is
 * typically constructed with a function called `__makeTemplateObject(cooked, raw)`, but it may not
 * be available in all environments.
 *
 * This is a JavaScript polyfill that uses __makeTemplateObject when it's available, but otherwise
 * creates an inline helper with the same functionality.
 *
 * In the inline function, if `Object.defineProperty` is available we use that to attach the `raw`
 * array.
 */
const makeTemplateObjectPolyfill = '(this&&this.__makeTemplateObject||function(e,t){return Object.defineProperty?Object.defineProperty(e,"raw",{value:t}):e.raw=t,e})';
class AbstractJsEmitterVisitor extends AbstractEmitterVisitor {
    constructor() {
        super(false);
    }
    visitDeclareClassStmt(stmt, ctx) {
        ctx.pushClass(stmt);
        this._visitClassConstructor(stmt, ctx);
        if (stmt.parent != null) {
            ctx.print(stmt, `${stmt.name}.prototype = Object.create(`);
            stmt.parent.visitExpression(this, ctx);
            ctx.println(stmt, `.prototype);`);
        }
        stmt.getters.forEach((getter) => this._visitClassGetter(stmt, getter, ctx));
        stmt.methods.forEach((method) => this._visitClassMethod(stmt, method, ctx));
        ctx.popClass();
        return null;
    }
    _visitClassConstructor(stmt, ctx) {
        ctx.print(stmt, `function ${stmt.name}(`);
        if (stmt.constructorMethod != null) {
            this._visitParams(stmt.constructorMethod.params, ctx);
        }
        ctx.println(stmt, `) {`);
        ctx.incIndent();
        if (stmt.constructorMethod != null) {
            if (stmt.constructorMethod.body.length > 0) {
                ctx.println(stmt, `var self = this;`);
                this.visitAllStatements(stmt.constructorMethod.body, ctx);
            }
        }
        ctx.decIndent();
        ctx.println(stmt, `}`);
    }
    _visitClassGetter(stmt, getter, ctx) {
        ctx.println(stmt, `Object.defineProperty(${stmt.name}.prototype, '${getter.name}', { get: function() {`);
        ctx.incIndent();
        if (getter.body.length > 0) {
            ctx.println(stmt, `var self = this;`);
            this.visitAllStatements(getter.body, ctx);
        }
        ctx.decIndent();
        ctx.println(stmt, `}});`);
    }
    _visitClassMethod(stmt, method, ctx) {
        ctx.print(stmt, `${stmt.name}.prototype.${method.name} = function(`);
        this._visitParams(method.params, ctx);
        ctx.println(stmt, `) {`);
        ctx.incIndent();
        if (method.body.length > 0) {
            ctx.println(stmt, `var self = this;`);
            this.visitAllStatements(method.body, ctx);
        }
        ctx.decIndent();
        ctx.println(stmt, `};`);
    }
    visitWrappedNodeExpr(ast, ctx) {
        throw new Error('Cannot emit a WrappedNodeExpr in Javascript.');
    }
    visitReadVarExpr(ast, ctx) {
        if (ast.builtin === BuiltinVar.This) {
            ctx.print(ast, 'self');
        }
        else if (ast.builtin === BuiltinVar.Super) {
            throw new Error(`'super' needs to be handled at a parent ast node, not at the variable level!`);
        }
        else {
            super.visitReadVarExpr(ast, ctx);
        }
        return null;
    }
    visitDeclareVarStmt(stmt, ctx) {
        ctx.print(stmt, `var ${stmt.name}`);
        if (stmt.value) {
            ctx.print(stmt, ' = ');
            stmt.value.visitExpression(this, ctx);
        }
        ctx.println(stmt, `;`);
        return null;
    }
    visitCastExpr(ast, ctx) {
        ast.value.visitExpression(this, ctx);
        return null;
    }
    visitInvokeFunctionExpr(expr, ctx) {
        const fnExpr = expr.fn;
        if (fnExpr instanceof ReadVarExpr && fnExpr.builtin === BuiltinVar.Super) {
            ctx.currentClass.parent.visitExpression(this, ctx);
            ctx.print(expr, `.call(this`);
            if (expr.args.length > 0) {
                ctx.print(expr, `, `);
                this.visitAllExpressions(expr.args, ctx, ',');
            }
            ctx.print(expr, `)`);
        }
        else {
            super.visitInvokeFunctionExpr(expr, ctx);
        }
        return null;
    }
    visitTaggedTemplateExpr(ast, ctx) {
        // The following convoluted piece of code is effectively the downlevelled equivalent of
        // ```
        // tag`...`
        // ```
        // which is effectively like:
        // ```
        // tag(__makeTemplateObject(cooked, raw), expression1, expression2, ...);
        // ```
        const elements = ast.template.elements;
        ast.tag.visitExpression(this, ctx);
        ctx.print(ast, `(${makeTemplateObjectPolyfill}(`);
        ctx.print(ast, `[${elements.map(part => escapeIdentifier(part.text, false)).join(', ')}], `);
        ctx.print(ast, `[${elements.map(part => escapeIdentifier(part.rawText, false)).join(', ')}])`);
        ast.template.expressions.forEach(expression => {
            ctx.print(ast, ', ');
            expression.visitExpression(this, ctx);
        });
        ctx.print(ast, ')');
        return null;
    }
    visitFunctionExpr(ast, ctx) {
        ctx.print(ast, `function${ast.name ? ' ' + ast.name : ''}(`);
        this._visitParams(ast.params, ctx);
        ctx.println(ast, `) {`);
        ctx.incIndent();
        this.visitAllStatements(ast.statements, ctx);
        ctx.decIndent();
        ctx.print(ast, `}`);
        return null;
    }
    visitDeclareFunctionStmt(stmt, ctx) {
        ctx.print(stmt, `function ${stmt.name}(`);
        this._visitParams(stmt.params, ctx);
        ctx.println(stmt, `) {`);
        ctx.incIndent();
        this.visitAllStatements(stmt.statements, ctx);
        ctx.decIndent();
        ctx.println(stmt, `}`);
        return null;
    }
    visitTryCatchStmt(stmt, ctx) {
        ctx.println(stmt, `try {`);
        ctx.incIndent();
        this.visitAllStatements(stmt.bodyStmts, ctx);
        ctx.decIndent();
        ctx.println(stmt, `} catch (${CATCH_ERROR_VAR$1.name}) {`);
        ctx.incIndent();
        const catchStmts = [CATCH_STACK_VAR$1.set(CATCH_ERROR_VAR$1.prop('stack')).toDeclStmt(null, [
                StmtModifier.Final
            ])].concat(stmt.catchStmts);
        this.visitAllStatements(catchStmts, ctx);
        ctx.decIndent();
        ctx.println(stmt, `}`);
        return null;
    }
    visitLocalizedString(ast, ctx) {
        // The following convoluted piece of code is effectively the downlevelled equivalent of
        // ```
        // $localize `...`
        // ```
        // which is effectively like:
        // ```
        // $localize(__makeTemplateObject(cooked, raw), expression1, expression2, ...);
        // ```
        ctx.print(ast, `$localize(${makeTemplateObjectPolyfill}(`);
        const parts = [ast.serializeI18nHead()];
        for (let i = 1; i < ast.messageParts.length; i++) {
            parts.push(ast.serializeI18nTemplatePart(i));
        }
        ctx.print(ast, `[${parts.map(part => escapeIdentifier(part.cooked, false)).join(', ')}], `);
        ctx.print(ast, `[${parts.map(part => escapeIdentifier(part.raw, false)).join(', ')}])`);
        ast.expressions.forEach(expression => {
            ctx.print(ast, ', ');
            expression.visitExpression(this, ctx);
        });
        ctx.print(ast, ')');
        return null;
    }
    _visitParams(params, ctx) {
        this.visitAllObjects(param => ctx.print(null, param.name), params, ctx, ',');
    }
    getBuiltinMethodName(method) {
        let name;
        switch (method) {
            case BuiltinMethod.ConcatArray:
                name = 'concat';
                break;
            case BuiltinMethod.SubscribeObservable:
                name = 'subscribe';
                break;
            case BuiltinMethod.Bind:
                name = 'bind';
                break;
            default:
                throw new Error(`Unknown builtin method: ${method}`);
        }
        return name;
    }
}

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
/**
 * The Trusted Types policy, or null if Trusted Types are not
 * enabled/supported, or undefined if the policy has not been created yet.
 */
let policy;
/**
 * Returns the Trusted Types policy, or null if Trusted Types are not
 * enabled/supported. The first call to this function will create the policy.
 */
function getPolicy() {
    if (policy === undefined) {
        policy = null;
        if (_global.trustedTypes) {
            try {
                policy =
                    _global.trustedTypes.createPolicy('angular#unsafe-jit', {
                        createScript: (s) => s,
                    });
            }
            catch (_a) {
                // trustedTypes.createPolicy throws if called with a name that is
                // already registered, even in report-only mode. Until the API changes,
                // catch the error not to break the applications functionally. In such
                // cases, the code will fall back to using strings.
            }
        }
    }
    return policy;
}
/**
 * Unsafely promote a string to a TrustedScript, falling back to strings when
 * Trusted Types are not available.
 * @security In particular, it must be assured that the provided string will
 * never cause an XSS vulnerability if used in a context that will be
 * interpreted and executed as a script by a browser, e.g. when calling eval.
 */
function trustedScriptFromString(script) {
    var _a;
    return ((_a = getPolicy()) === null || _a === void 0 ? void 0 : _a.createScript(script)) || script;
}
/**
 * Unsafely call the Function constructor with the given string arguments.
 * @security This is a security-sensitive function; any use of this function
 * must go through security review. In particular, it must be assured that it
 * is only called from the JIT compiler, as use in other code can lead to XSS
 * vulnerabilities.
 */
function newTrustedFunctionForJIT(...args) {
    if (!_global.trustedTypes) {
        // In environments that don't support Trusted Types, fall back to the most
        // straightforward implementation:
        return new Function(...args);
    }
    // Chrome currently does not support passing TrustedScript to the Function
    // constructor. The following implements the workaround proposed on the page
    // below, where the Chromium bug is also referenced:
    // https://github.com/w3c/webappsec-trusted-types/wiki/Trusted-Types-for-function-constructor
    const fnArgs = args.slice(0, -1).join(',');
    const fnBody = args[args.length - 1];
    const body = `(function anonymous(${fnArgs}
) { ${fnBody}
})`;
    // Using eval directly confuses the compiler and prevents this module from
    // being stripped out of JS binaries even if not used. The global['eval']
    // indirection fixes that.
    const fn = _global['eval'](trustedScriptFromString(body));
    if (fn.bind === undefined) {
        // Workaround for a browser bug that only exists in Chrome 83, where passing
        // a TrustedScript to eval just returns the TrustedScript back without
        // evaluating it. In that case, fall back to the most straightforward
        // implementation:
        return new Function(...args);
    }
    // To completely mimic the behavior of calling "new Function", two more
    // things need to happen:
    // 1. Stringifying the resulting function should return its source code
    fn.toString = () => body;
    // 2. When calling the resulting function, `this` should refer to `global`
    return fn.bind(_global);
    // When Trusted Types support in Function constructors is widely available,
    // the implementation of this function can be simplified to:
    // return new Function(...args.map(a => trustedScriptFromString(a)));
}

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
/**
 * A helper class to manage the evaluation of JIT generated code.
 */
class JitEvaluator {
    /**
     *
     * @param sourceUrl The URL of the generated code.
     * @param statements An array of Angular statement AST nodes to be evaluated.
     * @param reflector A helper used when converting the statements to executable code.
     * @param createSourceMaps If true then create a source-map for the generated code and include it
     * inline as a source-map comment.
     * @returns A map of all the variables in the generated code.
     */
    evaluateStatements(sourceUrl, statements, reflector, createSourceMaps) {
        const converter = new JitEmitterVisitor(reflector);
        const ctx = EmitterVisitorContext.createRoot();
        // Ensure generated code is in strict mode
        if (statements.length > 0 && !isUseStrictStatement(statements[0])) {
            statements = [
                literal('use strict').toStmt(),
                ...statements,
            ];
        }
        converter.visitAllStatements(statements, ctx);
        converter.createReturnStmt(ctx);
        return this.evaluateCode(sourceUrl, ctx, converter.getArgs(), createSourceMaps);
    }
    /**
     * Evaluate a piece of JIT generated code.
     * @param sourceUrl The URL of this generated code.
     * @param ctx A context object that contains an AST of the code to be evaluated.
     * @param vars A map containing the names and values of variables that the evaluated code might
     * reference.
     * @param createSourceMap If true then create a source-map for the generated code and include it
     * inline as a source-map comment.
     * @returns The result of evaluating the code.
     */
    evaluateCode(sourceUrl, ctx, vars, createSourceMap) {
        let fnBody = `"use strict";${ctx.toSource()}\n//# sourceURL=${sourceUrl}`;
        const fnArgNames = [];
        const fnArgValues = [];
        for (const argName in vars) {
            fnArgValues.push(vars[argName]);
            fnArgNames.push(argName);
        }
        if (createSourceMap) {
            // using `new Function(...)` generates a header, 1 line of no arguments, 2 lines otherwise
            // E.g. ```
            // function anonymous(a,b,c
            // /**/) { ... }```
            // We don't want to hard code this fact, so we auto detect it via an empty function first.
            const emptyFn = newTrustedFunctionForJIT(...fnArgNames.concat('return null;')).toString();
            const headerLines = emptyFn.slice(0, emptyFn.indexOf('return null;')).split('\n').length - 1;
            fnBody += `\n${ctx.toSourceMapGenerator(sourceUrl, headerLines).toJsComment()}`;
        }
        const fn = newTrustedFunctionForJIT(...fnArgNames.concat(fnBody));
        return this.executeFunction(fn, fnArgValues);
    }
    /**
     * Execute a JIT generated function by calling it.
     *
     * This method can be overridden in tests to capture the functions that are generated
     * by this `JitEvaluator` class.
     *
     * @param fn A function to execute.
     * @param args The arguments to pass to the function being executed.
     * @returns The return value of the executed function.
     */
    executeFunction(fn, args) {
        return fn(...args);
    }
}
/**
 * An Angular AST visitor that converts AST nodes into executable JavaScript code.
 */
class JitEmitterVisitor extends AbstractJsEmitterVisitor {
    constructor(reflector) {
        super();
        this.reflector = reflector;
        this._evalArgNames = [];
        this._evalArgValues = [];
        this._evalExportedVars = [];
    }
    createReturnStmt(ctx) {
        const stmt = new ReturnStatement(new LiteralMapExpr(this._evalExportedVars.map(resultVar => new LiteralMapEntry(resultVar, variable(resultVar), false))));
        stmt.visitStatement(this, ctx);
    }
    getArgs() {
        const result = {};
        for (let i = 0; i < this._evalArgNames.length; i++) {
            result[this._evalArgNames[i]] = this._evalArgValues[i];
        }
        return result;
    }
    visitExternalExpr(ast, ctx) {
        this._emitReferenceToExternal(ast, this.reflector.resolveExternalReference(ast.value), ctx);
        return null;
    }
    visitWrappedNodeExpr(ast, ctx) {
        this._emitReferenceToExternal(ast, ast.node, ctx);
        return null;
    }
    visitDeclareVarStmt(stmt, ctx) {
        if (stmt.hasModifier(StmtModifier.Exported)) {
            this._evalExportedVars.push(stmt.name);
        }
        return super.visitDeclareVarStmt(stmt, ctx);
    }
    visitDeclareFunctionStmt(stmt, ctx) {
        if (stmt.hasModifier(StmtModifier.Exported)) {
            this._evalExportedVars.push(stmt.name);
        }
        return super.visitDeclareFunctionStmt(stmt, ctx);
    }
    visitDeclareClassStmt(stmt, ctx) {
        if (stmt.hasModifier(StmtModifier.Exported)) {
            this._evalExportedVars.push(stmt.name);
        }
        return super.visitDeclareClassStmt(stmt, ctx);
    }
    _emitReferenceToExternal(ast, value, ctx) {
        let id = this._evalArgValues.indexOf(value);
        if (id === -1) {
            id = this._evalArgValues.length;
            this._evalArgValues.push(value);
            const name = identifierName({ reference: value }) || 'val';
            this._evalArgNames.push(`jit_${name}_${id}`);
        }
        ctx.print(ast, this._evalArgNames[id]);
    }
}
function isUseStrictStatement(statement) {
    return statement.isEquivalent(literal('use strict').toStmt());
}

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
const $EOF = 0;
const $BSPACE = 8;
const $TAB = 9;
const $LF = 10;
const $VTAB = 11;
const $FF = 12;
const $CR = 13;
const $SPACE = 32;
const $BANG = 33;
const $DQ = 34;
const $HASH = 35;
const $$ = 36;
const $PERCENT = 37;
const $AMPERSAND = 38;
const $SQ = 39;
const $LPAREN = 40;
const $RPAREN = 41;
const $STAR = 42;
const $PLUS = 43;
const $COMMA = 44;
const $MINUS = 45;
const $PERIOD = 46;
const $SLASH = 47;
const $COLON = 58;
const $SEMICOLON = 59;
const $LT = 60;
const $EQ = 61;
const $GT = 62;
const $QUESTION = 63;
const $0 = 48;
const $7 = 55;
const $9 = 57;
const $A = 65;
const $E = 69;
const $F = 70;
const $X = 88;
const $Z = 90;
const $LBRACKET = 91;
const $BACKSLASH = 92;
const $RBRACKET = 93;
const $CARET = 94;
const $_ = 95;
const $a = 97;
const $b = 98;
const $e = 101;
const $f = 102;
const $n = 110;
const $r = 114;
const $t = 116;
const $u = 117;
const $v = 118;
const $x = 120;
const $z = 122;
const $LBRACE = 123;
const $BAR = 124;
const $RBRACE = 125;
const $NBSP = 160;
const $PIPE = 124;
const $TILDA = 126;
const $AT = 64;
const $BT = 96;
function isWhitespace(code) {
    return (code >= $TAB && code <= $SPACE) || (code == $NBSP);
}
function isDigit(code) {
    return $0 <= code && code <= $9;
}
function isAsciiLetter(code) {
    return code >= $a && code <= $z || code >= $A && code <= $Z;
}
function isAsciiHexDigit(code) {
    return code >= $a && code <= $f || code >= $A && code <= $F || isDigit(code);
}
function isNewLine(code) {
    return code === $LF || code === $CR;
}
function isOctalDigit(code) {
    return $0 <= code && code <= $7;
}

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
class ParseLocation {
    constructor(file, offset, line, col) {
        this.file = file;
        this.offset = offset;
        this.line = line;
        this.col = col;
    }
    toString() {
        return this.offset != null ? `${this.file.url}@${this.line}:${this.col}` : this.file.url;
    }
    moveBy(delta) {
        const source = this.file.content;
        const len = source.length;
        let offset = this.offset;
        let line = this.line;
        let col = this.col;
        while (offset > 0 && delta < 0) {
            offset--;
            delta++;
            const ch = source.charCodeAt(offset);
            if (ch == $LF) {
                line--;
                const priorLine = source.substr(0, offset - 1).lastIndexOf(String.fromCharCode($LF));
                col = priorLine > 0 ? offset - priorLine : offset;
            }
            else {
                col--;
            }
        }
        while (offset < len && delta > 0) {
            const ch = source.charCodeAt(offset);
            offset++;
            delta--;
            if (ch == $LF) {
                line++;
                col = 0;
            }
            else {
                col++;
            }
        }
        return new ParseLocation(this.file, offset, line, col);
    }
    // Return the source around the location
    // Up to `maxChars` or `maxLines` on each side of the location
    getContext(maxChars, maxLines) {
        const content = this.file.content;
        let startOffset = this.offset;
        if (startOffset != null) {
            if (startOffset > content.length - 1) {
                startOffset = content.length - 1;
            }
            let endOffset = startOffset;
            let ctxChars = 0;
            let ctxLines = 0;
            while (ctxChars < maxChars && startOffset > 0) {
                startOffset--;
                ctxChars++;
                if (content[startOffset] == '\n') {
                    if (++ctxLines == maxLines) {
                        break;
                    }
                }
            }
            ctxChars = 0;
            ctxLines = 0;
            while (ctxChars < maxChars && endOffset < content.length - 1) {
                endOffset++;
                ctxChars++;
                if (content[endOffset] == '\n') {
                    if (++ctxLines == maxLines) {
                        break;
                    }
                }
            }
            return {
                before: content.substring(startOffset, this.offset),
                after: content.substring(this.offset, endOffset + 1),
            };
        }
        return null;
    }
}
class ParseSourceFile {
    constructor(content, url) {
        this.content = content;
        this.url = url;
    }
}
class ParseSourceSpan {
    /**
     * Create an object that holds information about spans of tokens/nodes captured during
     * lexing/parsing of text.
     *
     * @param start
     * The location of the start of the span (having skipped leading trivia).
     * Skipping leading trivia makes source-spans more "user friendly", since things like HTML
     * elements will appear to begin at the start of the opening tag, rather than at the start of any
     * leading trivia, which could include newlines.
     *
     * @param end
     * The location of the end of the span.
     *
     * @param fullStart
     * The start of the token without skipping the leading trivia.
     * This is used by tooling that splits tokens further, such as extracting Angular interpolations
     * from text tokens. Such tooling creates new source-spans relative to the original token's
     * source-span. If leading trivia characters have been skipped then the new source-spans may be
     * incorrectly offset.
     *
     * @param details
     * Additional information (such as identifier names) that should be associated with the span.
     */
    constructor(start, end, fullStart = start, details = null) {
        this.start = start;
        this.end = end;
        this.fullStart = fullStart;
        this.details = details;
    }
    toString() {
        return this.start.file.content.substring(this.start.offset, this.end.offset);
    }
}
var ParseErrorLevel;
(function (ParseErrorLevel) {
    ParseErrorLevel[ParseErrorLevel["WARNING"] = 0] = "WARNING";
    ParseErrorLevel[ParseErrorLevel["ERROR"] = 1] = "ERROR";
})(ParseErrorLevel || (ParseErrorLevel = {}));
class ParseError {
    constructor(span, msg, level = ParseErrorLevel.ERROR) {
        this.span = span;
        this.msg = msg;
        this.level = level;
    }
    contextualMessage() {
        const ctx = this.span.start.getContext(100, 3);
        return ctx ? `${this.msg} ("${ctx.before}[${ParseErrorLevel[this.level]} ->]${ctx.after}")` :
            this.msg;
    }
    toString() {
        const details = this.span.details ? `, ${this.span.details}` : '';
        return `${this.contextualMessage()}: ${this.span.start}${details}`;
    }
}
function typeSourceSpan(kind, type) {
    const moduleUrl = identifierModuleUrl(type);
    const sourceFileName = moduleUrl != null ? `in ${kind} ${identifierName(type)} in ${moduleUrl}` :
        `in ${kind} ${identifierName(type)}`;
    const sourceFile = new ParseSourceFile('', sourceFileName);
    return new ParseSourceSpan(new ParseLocation(sourceFile, -1, -1, -1), new ParseLocation(sourceFile, -1, -1, -1));
}
/**
 * Generates Source Span object for a given R3 Type for JIT mode.
 *
 * @param kind Component or Directive.
 * @param typeName name of the Component or Directive.
 * @param sourceUrl reference to Component or Directive source.
 * @returns instance of ParseSourceSpan that represent a given Component or Directive.
 */
function r3JitTypeSourceSpan(kind, typeName, sourceUrl) {
    const sourceFileName = `in ${kind} ${typeName} in ${sourceUrl}`;
    const sourceFile = new ParseSourceFile('', sourceFileName);
    return new ParseSourceSpan(new ParseLocation(sourceFile, -1, -1, -1), new ParseLocation(sourceFile, -1, -1, -1));
}

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
function compileInjector(meta) {
    const definitionMap = new DefinitionMap();
    if (meta.providers !== null) {
        definitionMap.set('providers', meta.providers);
    }
    if (meta.imports.length > 0) {
        definitionMap.set('imports', literalArr(meta.imports));
    }
    const expression = importExpr(Identifiers.defineInjector).callFn([definitionMap.toLiteralMap()], undefined, true);
    const type = createInjectorType(meta);
    return { expression, type, statements: [] };
}
function createInjectorType(meta) {
    return new ExpressionType(importExpr(Identifiers.InjectorDeclaration, [new ExpressionType(meta.type.type)]));
}

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
/**
 * Implementation of `CompileReflector` which resolves references to @angular/core
 * symbols at runtime, according to a consumer-provided mapping.
 *
 * Only supports `resolveExternalReference`, all other methods throw.
 */
class R3JitReflector {
    constructor(context) {
        this.context = context;
    }
    resolveExternalReference(ref) {
        // This reflector only handles @angular/core imports.
        if (ref.moduleName !== '@angular/core') {
            throw new Error(`Cannot resolve external reference to ${ref.moduleName}, only references to @angular/core are supported.`);
        }
        if (!this.context.hasOwnProperty(ref.name)) {
            throw new Error(`No value provided for @angular/core symbol '${ref.name}'.`);
        }
        return this.context[ref.name];
    }
    parameters(typeOrFunc) {
        throw new Error('Not implemented.');
    }
    annotations(typeOrFunc) {
        throw new Error('Not implemented.');
    }
    shallowAnnotations(typeOrFunc) {
        throw new Error('Not implemented.');
    }
    tryAnnotations(typeOrFunc) {
        throw new Error('Not implemented.');
    }
    propMetadata(typeOrFunc) {
        throw new Error('Not implemented.');
    }
    hasLifecycleHook(type, lcProperty) {
        throw new Error('Not implemented.');
    }
    guards(typeOrFunc) {
        throw new Error('Not implemented.');
    }
    componentModuleUrl(type, cmpMetadata) {
        throw new Error('Not implemented.');
    }
}

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
/**
 * Construct an `R3NgModuleDef` for the given `R3NgModuleMetadata`.
 */
function compileNgModule(meta) {
    const { internalType, bootstrap, declarations, imports, exports, schemas, containsForwardDecls, emitInline, id } = meta;
    const statements = [];
    const definitionMap = new DefinitionMap();
    definitionMap.set('type', internalType);
    if (bootstrap.length > 0) {
        definitionMap.set('bootstrap', refsToArray(bootstrap, containsForwardDecls));
    }
    // If requested to emit scope information inline, pass the `declarations`, `imports` and `exports`
    // to the `ɵɵdefineNgModule()` call. The JIT compilation uses this.
    if (emitInline) {
        if (declarations.length > 0) {
            definitionMap.set('declarations', refsToArray(declarations, containsForwardDecls));
        }
        if (imports.length > 0) {
            definitionMap.set('imports', refsToArray(imports, containsForwardDecls));
        }
        if (exports.length > 0) {
            definitionMap.set('exports', refsToArray(exports, containsForwardDecls));
        }
    }
    // If not emitting inline, the scope information is not passed into `ɵɵdefineNgModule` as it would
    // prevent tree-shaking of the declarations, imports and exports references.
    else {
        const setNgModuleScopeCall = generateSetNgModuleScopeCall(meta);
        if (setNgModuleScopeCall !== null) {
            statements.push(setNgModuleScopeCall);
        }
    }
    if (schemas !== null && schemas.length > 0) {
        definitionMap.set('schemas', literalArr(schemas.map(ref => ref.value)));
    }
    if (id !== null) {
        definitionMap.set('id', id);
    }
    const expression = importExpr(Identifiers.defineNgModule).callFn([definitionMap.toLiteralMap()], undefined, true);
    const type = createNgModuleType(meta);
    return { expression, type, statements };
}
/**
 * This function is used in JIT mode to generate the call to `ɵɵdefineNgModule()` from a call to
 * `ɵɵngDeclareNgModule()`.
 */
function compileNgModuleDeclarationExpression(meta) {
    const definitionMap = new DefinitionMap();
    definitionMap.set('type', new WrappedNodeExpr(meta.type));
    if (meta.bootstrap !== undefined) {
        definitionMap.set('bootstrap', new WrappedNodeExpr(meta.bootstrap));
    }
    if (meta.declarations !== undefined) {
        definitionMap.set('declarations', new WrappedNodeExpr(meta.declarations));
    }
    if (meta.imports !== undefined) {
        definitionMap.set('imports', new WrappedNodeExpr(meta.imports));
    }
    if (meta.exports !== undefined) {
        definitionMap.set('exports', new WrappedNodeExpr(meta.exports));
    }
    if (meta.schemas !== undefined) {
        definitionMap.set('schemas', new WrappedNodeExpr(meta.schemas));
    }
    if (meta.id !== undefined) {
        definitionMap.set('id', new WrappedNodeExpr(meta.id));
    }
    return importExpr(Identifiers.defineNgModule).callFn([definitionMap.toLiteralMap()]);
}
function createNgModuleType({ type: moduleType, declarations, imports, exports }) {
    return new ExpressionType(importExpr(Identifiers.NgModuleDeclaration, [
        new ExpressionType(moduleType.type), tupleTypeOf(declarations), tupleTypeOf(imports),
        tupleTypeOf(exports)
    ]));
}
/**
 * Generates a function call to `ɵɵsetNgModuleScope` with all necessary information so that the
 * transitive module scope can be computed during runtime in JIT mode. This call is marked pure
 * such that the references to declarations, imports and exports may be elided causing these
 * symbols to become tree-shakeable.
 */
function generateSetNgModuleScopeCall(meta) {
    const { adjacentType: moduleType, declarations, imports, exports, containsForwardDecls } = meta;
    const scopeMap = new DefinitionMap();
    if (declarations.length > 0) {
        scopeMap.set('declarations', refsToArray(declarations, containsForwardDecls));
    }
    if (imports.length > 0) {
        scopeMap.set('imports', refsToArray(imports, containsForwardDecls));
    }
    if (exports.length > 0) {
        scopeMap.set('exports', refsToArray(exports, containsForwardDecls));
    }
    if (Object.keys(scopeMap.values).length === 0) {
        return null;
    }
    // setNgModuleScope(...)
    const fnCall = new InvokeFunctionExpr(
    /* fn */ importExpr(Identifiers.setNgModuleScope), 
    /* args */ [moduleType, scopeMap.toLiteralMap()]);
    // (ngJitMode guard) && setNgModuleScope(...)
    const guardedCall = jitOnlyGuardedExpression(fnCall);
    // function() { (ngJitMode guard) && setNgModuleScope(...); }
    const iife = new FunctionExpr(
    /* params */ [], 
    /* statements */ [guardedCall.toStmt()]);
    // (function() { (ngJitMode guard) && setNgModuleScope(...); })()
    const iifeCall = new InvokeFunctionExpr(
    /* fn */ iife, 
    /* args */ []);
    return iifeCall.toStmt();
}
function tupleTypeOf(exp) {
    const types = exp.map(ref => typeofExpr(ref.type));
    return exp.length > 0 ? expressionType(literalArr(types)) : NONE_TYPE;
}

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
function compilePipeFromMetadata(metadata) {
    const definitionMapValues = [];
    // e.g. `name: 'myPipe'`
    definitionMapValues.push({ key: 'name', value: literal(metadata.pipeName), quoted: false });
    // e.g. `type: MyPipe`
    definitionMapValues.push({ key: 'type', value: metadata.type.value, quoted: false });
    // e.g. `pure: true`
    definitionMapValues.push({ key: 'pure', value: literal(metadata.pure), quoted: false });
    const expression = importExpr(Identifiers.definePipe).callFn([literalMap(definitionMapValues)], undefined, true);
    const type = createPipeType(metadata);
    return { expression, type, statements: [] };
}
function createPipeType(metadata) {
    return new ExpressionType(importExpr(Identifiers.PipeDeclaration, [
        typeWithParameters(metadata.type.type, metadata.typeArgumentCount),
        new ExpressionType(new LiteralExpr(metadata.pipeName)),
    ]));
}

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
class ParserError {
    constructor(message, input, errLocation, ctxLocation) {
        this.input = input;
        this.errLocation = errLocation;
        this.ctxLocation = ctxLocation;
        this.message = `Parser Error: ${message} ${errLocation} [${input}] in ${ctxLocation}`;
    }
}
class ParseSpan {
    constructor(start, end) {
        this.start = start;
        this.end = end;
    }
    toAbsolute(absoluteOffset) {
        return new AbsoluteSourceSpan(absoluteOffset + this.start, absoluteOffset + this.end);
    }
}
class AST {
    constructor(span, 
    /**
     * Absolute location of the expression AST in a source code file.
     */
    sourceSpan) {
        this.span = span;
        this.sourceSpan = sourceSpan;
    }
    toString() {
        return 'AST';
    }
}
class ASTWithName extends AST {
    constructor(span, sourceSpan, nameSpan) {
        super(span, sourceSpan);
        this.nameSpan = nameSpan;
    }
}
/**
 * Represents a quoted expression of the form:
 *
 * quote = prefix `:` uninterpretedExpression
 * prefix = identifier
 * uninterpretedExpression = arbitrary string
 *
 * A quoted expression is meant to be pre-processed by an AST transformer that
 * converts it into another AST that no longer contains quoted expressions.
 * It is meant to allow third-party developers to extend Angular template
 * expression language. The `uninterpretedExpression` part of the quote is
 * therefore not interpreted by the Angular's own expression parser.
 */
class Quote extends AST {
    constructor(span, sourceSpan, prefix, uninterpretedExpression, location) {
        super(span, sourceSpan);
        this.prefix = prefix;
        this.uninterpretedExpression = uninterpretedExpression;
        this.location = location;
    }
    visit(visitor, context = null) {
        return visitor.visitQuote(this, context);
    }
    toString() {
        return 'Quote';
    }
}
class EmptyExpr extends AST {
    visit(visitor, context = null) {
        // do nothing
    }
}
class ImplicitReceiver extends AST {
    visit(visitor, context = null) {
        return visitor.visitImplicitReceiver(this, context);
    }
}
/**
 * Receiver when something is accessed through `this` (e.g. `this.foo`). Note that this class
 * inherits from `ImplicitReceiver`, because accessing something through `this` is treated the
 * same as accessing it implicitly inside of an Angular template (e.g. `[attr.title]="this.title"`
 * is the same as `[attr.title]="title"`.). Inheriting allows for the `this` accesses to be treated
 * the same as implicit ones, except for a couple of exceptions like `$event` and `$any`.
 * TODO: we should find a way for this class not to extend from `ImplicitReceiver` in the future.
 */
class ThisReceiver extends ImplicitReceiver {
    visit(visitor, context = null) {
        var _a;
        return (_a = visitor.visitThisReceiver) === null || _a === void 0 ? void 0 : _a.call(visitor, this, context);
    }
}
/**
 * Multiple expressions separated by a semicolon.
 */
class Chain extends AST {
    constructor(span, sourceSpan, expressions) {
        super(span, sourceSpan);
        this.expressions = expressions;
    }
    visit(visitor, context = null) {
        return visitor.visitChain(this, context);
    }
}
class Conditional extends AST {
    constructor(span, sourceSpan, condition, trueExp, falseExp) {
        super(span, sourceSpan);
        this.condition = condition;
        this.trueExp = trueExp;
        this.falseExp = falseExp;
    }
    visit(visitor, context = null) {
        return visitor.visitConditional(this, context);
    }
}
class PropertyRead extends ASTWithName {
    constructor(span, sourceSpan, nameSpan, receiver, name) {
        super(span, sourceSpan, nameSpan);
        this.receiver = receiver;
        this.name = name;
    }
    visit(visitor, context = null) {
        return visitor.visitPropertyRead(this, context);
    }
}
class PropertyWrite extends ASTWithName {
    constructor(span, sourceSpan, nameSpan, receiver, name, value) {
        super(span, sourceSpan, nameSpan);
        this.receiver = receiver;
        this.name = name;
        this.value = value;
    }
    visit(visitor, context = null) {
        return visitor.visitPropertyWrite(this, context);
    }
}
class SafePropertyRead extends ASTWithName {
    constructor(span, sourceSpan, nameSpan, receiver, name) {
        super(span, sourceSpan, nameSpan);
        this.receiver = receiver;
        this.name = name;
    }
    visit(visitor, context = null) {
        return visitor.visitSafePropertyRead(this, context);
    }
}
class KeyedRead extends AST {
    constructor(span, sourceSpan, receiver, key) {
        super(span, sourceSpan);
        this.receiver = receiver;
        this.key = key;
    }
    visit(visitor, context = null) {
        return visitor.visitKeyedRead(this, context);
    }
}
class SafeKeyedRead extends AST {
    constructor(span, sourceSpan, receiver, key) {
        super(span, sourceSpan);
        this.receiver = receiver;
        this.key = key;
    }
    visit(visitor, context = null) {
        return visitor.visitSafeKeyedRead(this, context);
    }
}
class KeyedWrite extends AST {
    constructor(span, sourceSpan, receiver, key, value) {
        super(span, sourceSpan);
        this.receiver = receiver;
        this.key = key;
        this.value = value;
    }
    visit(visitor, context = null) {
        return visitor.visitKeyedWrite(this, context);
    }
}
class BindingPipe extends ASTWithName {
    constructor(span, sourceSpan, exp, name, args, nameSpan) {
        super(span, sourceSpan, nameSpan);
        this.exp = exp;
        this.name = name;
        this.args = args;
    }
    visit(visitor, context = null) {
        return visitor.visitPipe(this, context);
    }
}
class LiteralPrimitive extends AST {
    constructor(span, sourceSpan, value) {
        super(span, sourceSpan);
        this.value = value;
    }
    visit(visitor, context = null) {
        return visitor.visitLiteralPrimitive(this, context);
    }
}
class LiteralArray extends AST {
    constructor(span, sourceSpan, expressions) {
        super(span, sourceSpan);
        this.expressions = expressions;
    }
    visit(visitor, context = null) {
        return visitor.visitLiteralArray(this, context);
    }
}
class LiteralMap extends AST {
    constructor(span, sourceSpan, keys, values) {
        super(span, sourceSpan);
        this.keys = keys;
        this.values = values;
    }
    visit(visitor, context = null) {
        return visitor.visitLiteralMap(this, context);
    }
}
class Interpolation extends AST {
    constructor(span, sourceSpan, strings, expressions) {
        super(span, sourceSpan);
        this.strings = strings;
        this.expressions = expressions;
    }
    visit(visitor, context = null) {
        return visitor.visitInterpolation(this, context);
    }
}
class Binary extends AST {
    constructor(span, sourceSpan, operation, left, right) {
        super(span, sourceSpan);
        this.operation = operation;
        this.left = left;
        this.right = right;
    }
    visit(visitor, context = null) {
        return visitor.visitBinary(this, context);
    }
}
/**
 * For backwards compatibility reasons, `Unary` inherits from `Binary` and mimics the binary AST
 * node that was originally used. This inheritance relation can be deleted in some future major,
 * after consumers have been given a chance to fully support Unary.
 */
class Unary extends Binary {
    /**
     * During the deprecation period this constructor is private, to avoid consumers from creating
     * a `Unary` with the fallback properties for `Binary`.
     */
    constructor(span, sourceSpan, operator, expr, binaryOp, binaryLeft, binaryRight) {
        super(span, sourceSpan, binaryOp, binaryLeft, binaryRight);
        this.operator = operator;
        this.expr = expr;
    }
    /**
     * Creates a unary minus expression "-x", represented as `Binary` using "0 - x".
     */
    static createMinus(span, sourceSpan, expr) {
        return new Unary(span, sourceSpan, '-', expr, '-', new LiteralPrimitive(span, sourceSpan, 0), expr);
    }
    /**
     * Creates a unary plus expression "+x", represented as `Binary` using "x - 0".
     */
    static createPlus(span, sourceSpan, expr) {
        return new Unary(span, sourceSpan, '+', expr, '-', expr, new LiteralPrimitive(span, sourceSpan, 0));
    }
    visit(visitor, context = null) {
        if (visitor.visitUnary !== undefined) {
            return visitor.visitUnary(this, context);
        }
        return visitor.visitBinary(this, context);
    }
}
class PrefixNot extends AST {
    constructor(span, sourceSpan, expression) {
        super(span, sourceSpan);
        this.expression = expression;
    }
    visit(visitor, context = null) {
        return visitor.visitPrefixNot(this, context);
    }
}
class NonNullAssert extends AST {
    constructor(span, sourceSpan, expression) {
        super(span, sourceSpan);
        this.expression = expression;
    }
    visit(visitor, context = null) {
        return visitor.visitNonNullAssert(this, context);
    }
}
class MethodCall extends ASTWithName {
    constructor(span, sourceSpan, nameSpan, receiver, name, args, argumentSpan) {
        super(span, sourceSpan, nameSpan);
        this.receiver = receiver;
        this.name = name;
        this.args = args;
        this.argumentSpan = argumentSpan;
    }
    visit(visitor, context = null) {
        return visitor.visitMethodCall(this, context);
    }
}
class SafeMethodCall extends ASTWithName {
    constructor(span, sourceSpan, nameSpan, receiver, name, args, argumentSpan) {
        super(span, sourceSpan, nameSpan);
        this.receiver = receiver;
        this.name = name;
        this.args = args;
        this.argumentSpan = argumentSpan;
    }
    visit(visitor, context = null) {
        return visitor.visitSafeMethodCall(this, context);
    }
}
class FunctionCall extends AST {
    constructor(span, sourceSpan, target, args) {
        super(span, sourceSpan);
        this.target = target;
        this.args = args;
    }
    visit(visitor, context = null) {
        return visitor.visitFunctionCall(this, context);
    }
}
/**
 * Records the absolute position of a text span in a source file, where `start` and `end` are the
 * starting and ending byte offsets, respectively, of the text span in a source file.
 */
class AbsoluteSourceSpan {
    constructor(start, end) {
        this.start = start;
        this.end = end;
    }
}
class ASTWithSource extends AST {
    constructor(ast, source, location, absoluteOffset, errors) {
        super(new ParseSpan(0, source === null ? 0 : source.length), new AbsoluteSourceSpan(absoluteOffset, source === null ? absoluteOffset : absoluteOffset + source.length));
        this.ast = ast;
        this.source = source;
        this.location = location;
        this.errors = errors;
    }
    visit(visitor, context = null) {
        if (visitor.visitASTWithSource) {
            return visitor.visitASTWithSource(this, context);
        }
        return this.ast.visit(visitor, context);
    }
    toString() {
        return `${this.source} in ${this.location}`;
    }
}
class VariableBinding {
    /**
     * @param sourceSpan entire span of the binding.
     * @param key name of the LHS along with its span.
     * @param value optional value for the RHS along with its span.
     */
    constructor(sourceSpan, key, value) {
        this.sourceSpan = sourceSpan;
        this.key = key;
        this.value = value;
    }
}
class ExpressionBinding {
    /**
     * @param sourceSpan entire span of the binding.
     * @param key binding name, like ngForOf, ngForTrackBy, ngIf, along with its
     * span. Note that the length of the span may not be the same as
     * `key.source.length`. For example,
     * 1. key.source = ngFor, key.span is for "ngFor"
     * 2. key.source = ngForOf, key.span is for "of"
     * 3. key.source = ngForTrackBy, key.span is for "trackBy"
     * @param value optional expression for the RHS.
     */
    constructor(sourceSpan, key, value) {
        this.sourceSpan = sourceSpan;
        this.key = key;
        this.value = value;
    }
}
class RecursiveAstVisitor$1 {
    visit(ast, context) {
        // The default implementation just visits every node.
        // Classes that extend RecursiveAstVisitor should override this function
        // to selectively visit the specified node.
        ast.visit(this, context);
    }
    visitUnary(ast, context) {
        this.visit(ast.expr, context);
    }
    visitBinary(ast, context) {
        this.visit(ast.left, context);
        this.visit(ast.right, context);
    }
    visitChain(ast, context) {
        this.visitAll(ast.expressions, context);
    }
    visitConditional(ast, context) {
        this.visit(ast.condition, context);
        this.visit(ast.trueExp, context);
        this.visit(ast.falseExp, context);
    }
    visitPipe(ast, context) {
        this.visit(ast.exp, context);
        this.visitAll(ast.args, context);
    }
    visitFunctionCall(ast, context) {
        if (ast.target) {
            this.visit(ast.target, context);
        }
        this.visitAll(ast.args, context);
    }
    visitImplicitReceiver(ast, context) { }
    visitThisReceiver(ast, context) { }
    visitInterpolation(ast, context) {
        this.visitAll(ast.expressions, context);
    }
    visitKeyedRead(ast, context) {
        this.visit(ast.receiver, context);
        this.visit(ast.key, context);
    }
    visitKeyedWrite(ast, context) {
        this.visit(ast.receiver, context);
        this.visit(ast.key, context);
        this.visit(ast.value, context);
    }
    visitLiteralArray(ast, context) {
        this.visitAll(ast.expressions, context);
    }
    visitLiteralMap(ast, context) {
        this.visitAll(ast.values, context);
    }
    visitLiteralPrimitive(ast, context) { }
    visitMethodCall(ast, context) {
        this.visit(ast.receiver, context);
        this.visitAll(ast.args, context);
    }
    visitPrefixNot(ast, context) {
        this.visit(ast.expression, context);
    }
    visitNonNullAssert(ast, context) {
        this.visit(ast.expression, context);
    }
    visitPropertyRead(ast, context) {
        this.visit(ast.receiver, context);
    }
    visitPropertyWrite(ast, context) {
        this.visit(ast.receiver, context);
        this.visit(ast.value, context);
    }
    visitSafePropertyRead(ast, context) {
        this.visit(ast.receiver, context);
    }
    visitSafeMethodCall(ast, context) {
        this.visit(ast.receiver, context);
        this.visitAll(ast.args, context);
    }
    visitSafeKeyedRead(ast, context) {
        this.visit(ast.receiver, context);
        this.visit(ast.key, context);
    }
    visitQuote(ast, context) { }
    // This is not part of the AstVisitor interface, just a helper method
    visitAll(asts, context) {
        for (const ast of asts) {
            this.visit(ast, context);
        }
    }
}
class AstTransformer$1 {
    visitImplicitReceiver(ast, context) {
        return ast;
    }
    visitThisReceiver(ast, context) {
        return ast;
    }
    visitInterpolation(ast, context) {
        return new Interpolation(ast.span, ast.sourceSpan, ast.strings, this.visitAll(ast.expressions));
    }
    visitLiteralPrimitive(ast, context) {
        return new LiteralPrimitive(ast.span, ast.sourceSpan, ast.value);
    }
    visitPropertyRead(ast, context) {
        return new PropertyRead(ast.span, ast.sourceSpan, ast.nameSpan, ast.receiver.visit(this), ast.name);
    }
    visitPropertyWrite(ast, context) {
        return new PropertyWrite(ast.span, ast.sourceSpan, ast.nameSpan, ast.receiver.visit(this), ast.name, ast.value.visit(this));
    }
    visitSafePropertyRead(ast, context) {
        return new SafePropertyRead(ast.span, ast.sourceSpan, ast.nameSpan, ast.receiver.visit(this), ast.name);
    }
    visitMethodCall(ast, context) {
        return new MethodCall(ast.span, ast.sourceSpan, ast.nameSpan, ast.receiver.visit(this), ast.name, this.visitAll(ast.args), ast.argumentSpan);
    }
    visitSafeMethodCall(ast, context) {
        return new SafeMethodCall(ast.span, ast.sourceSpan, ast.nameSpan, ast.receiver.visit(this), ast.name, this.visitAll(ast.args), ast.argumentSpan);
    }
    visitFunctionCall(ast, context) {
        return new FunctionCall(ast.span, ast.sourceSpan, ast.target.visit(this), this.visitAll(ast.args));
    }
    visitLiteralArray(ast, context) {
        return new LiteralArray(ast.span, ast.sourceSpan, this.visitAll(ast.expressions));
    }
    visitLiteralMap(ast, context) {
        return new LiteralMap(ast.span, ast.sourceSpan, ast.keys, this.visitAll(ast.values));
    }
    visitUnary(ast, context) {
        switch (ast.operator) {
            case '+':
                return Unary.createPlus(ast.span, ast.sourceSpan, ast.expr.visit(this));
            case '-':
                return Unary.createMinus(ast.span, ast.sourceSpan, ast.expr.visit(this));
            default:
                throw new Error(`Unknown unary operator ${ast.operator}`);
        }
    }
    visitBinary(ast, context) {
        return new Binary(ast.span, ast.sourceSpan, ast.operation, ast.left.visit(this), ast.right.visit(this));
    }
    visitPrefixNot(ast, context) {
        return new PrefixNot(ast.span, ast.sourceSpan, ast.expression.visit(this));
    }
    visitNonNullAssert(ast, context) {
        return new NonNullAssert(ast.span, ast.sourceSpan, ast.expression.visit(this));
    }
    visitConditional(ast, context) {
        return new Conditional(ast.span, ast.sourceSpan, ast.condition.visit(this), ast.trueExp.visit(this), ast.falseExp.visit(this));
    }
    visitPipe(ast, context) {
        return new BindingPipe(ast.span, ast.sourceSpan, ast.exp.visit(this), ast.name, this.visitAll(ast.args), ast.nameSpan);
    }
    visitKeyedRead(ast, context) {
        return new KeyedRead(ast.span, ast.sourceSpan, ast.receiver.visit(this), ast.key.visit(this));
    }
    visitKeyedWrite(ast, context) {
        return new KeyedWrite(ast.span, ast.sourceSpan, ast.receiver.visit(this), ast.key.visit(this), ast.value.visit(this));
    }
    visitAll(asts) {
        const res = [];
        for (let i = 0; i < asts.length; ++i) {
            res[i] = asts[i].visit(this);
        }
        return res;
    }
    visitChain(ast, context) {
        return new Chain(ast.span, ast.sourceSpan, this.visitAll(ast.expressions));
    }
    visitQuote(ast, context) {
        return new Quote(ast.span, ast.sourceSpan, ast.prefix, ast.uninterpretedExpression, ast.location);
    }
    visitSafeKeyedRead(ast, context) {
        return new SafeKeyedRead(ast.span, ast.sourceSpan, ast.receiver.visit(this), ast.key.visit(this));
    }
}
// A transformer that only creates new nodes if the transformer makes a change or
// a change is made a child node.
class AstMemoryEfficientTransformer {
    visitImplicitReceiver(ast, context) {
        return ast;
    }
    visitThisReceiver(ast, context) {
        return ast;
    }
    visitInterpolation(ast, context) {
        const expressions = this.visitAll(ast.expressions);
        if (expressions !== ast.expressions)
            return new Interpolation(ast.span, ast.sourceSpan, ast.strings, expressions);
        return ast;
    }
    visitLiteralPrimitive(ast, context) {
        return ast;
    }
    visitPropertyRead(ast, context) {
        const receiver = ast.receiver.visit(this);
        if (receiver !== ast.receiver) {
            return new PropertyRead(ast.span, ast.sourceSpan, ast.nameSpan, receiver, ast.name);
        }
        return ast;
    }
    visitPropertyWrite(ast, context) {
        const receiver = ast.receiver.visit(this);
        const value = ast.value.visit(this);
        if (receiver !== ast.receiver || value !== ast.value) {
            return new PropertyWrite(ast.span, ast.sourceSpan, ast.nameSpan, receiver, ast.name, value);
        }
        return ast;
    }
    visitSafePropertyRead(ast, context) {
        const receiver = ast.receiver.visit(this);
        if (receiver !== ast.receiver) {
            return new SafePropertyRead(ast.span, ast.sourceSpan, ast.nameSpan, receiver, ast.name);
        }
        return ast;
    }
    visitMethodCall(ast, context) {
        const receiver = ast.receiver.visit(this);
        const args = this.visitAll(ast.args);
        if (receiver !== ast.receiver || args !== ast.args) {
            return new MethodCall(ast.span, ast.sourceSpan, ast.nameSpan, receiver, ast.name, args, ast.argumentSpan);
        }
        return ast;
    }
    visitSafeMethodCall(ast, context) {
        const receiver = ast.receiver.visit(this);
        const args = this.visitAll(ast.args);
        if (receiver !== ast.receiver || args !== ast.args) {
            return new SafeMethodCall(ast.span, ast.sourceSpan, ast.nameSpan, receiver, ast.name, args, ast.argumentSpan);
        }
        return ast;
    }
    visitFunctionCall(ast, context) {
        const target = ast.target && ast.target.visit(this);
        const args = this.visitAll(ast.args);
        if (target !== ast.target || args !== ast.args) {
            return new FunctionCall(ast.span, ast.sourceSpan, target, args);
        }
        return ast;
    }
    visitLiteralArray(ast, context) {
        const expressions = this.visitAll(ast.expressions);
        if (expressions !== ast.expressions) {
            return new LiteralArray(ast.span, ast.sourceSpan, expressions);
        }
        return ast;
    }
    visitLiteralMap(ast, context) {
        const values = this.visitAll(ast.values);
        if (values !== ast.values) {
            return new LiteralMap(ast.span, ast.sourceSpan, ast.keys, values);
        }
        return ast;
    }
    visitUnary(ast, context) {
        const expr = ast.expr.visit(this);
        if (expr !== ast.expr) {
            switch (ast.operator) {
                case '+':
                    return Unary.createPlus(ast.span, ast.sourceSpan, expr);
                case '-':
                    return Unary.createMinus(ast.span, ast.sourceSpan, expr);
                default:
                    throw new Error(`Unknown unary operator ${ast.operator}`);
            }
        }
        return ast;
    }
    visitBinary(ast, context) {
        const left = ast.left.visit(this);
        const right = ast.right.visit(this);
        if (left !== ast.left || right !== ast.right) {
            return new Binary(ast.span, ast.sourceSpan, ast.operation, left, right);
        }
        return ast;
    }
    visitPrefixNot(ast, context) {
        const expression = ast.expression.visit(this);
        if (expression !== ast.expression) {
            return new PrefixNot(ast.span, ast.sourceSpan, expression);
        }
        return ast;
    }
    visitNonNullAssert(ast, context) {
        const expression = ast.expression.visit(this);
        if (expression !== ast.expression) {
            return new NonNullAssert(ast.span, ast.sourceSpan, expression);
        }
        return ast;
    }
    visitConditional(ast, context) {
        const condition = ast.condition.visit(this);
        const trueExp = ast.trueExp.visit(this);
        const falseExp = ast.falseExp.visit(this);
        if (condition !== ast.condition || trueExp !== ast.trueExp || falseExp !== ast.falseExp) {
            return new Conditional(ast.span, ast.sourceSpan, condition, trueExp, falseExp);
        }
        return ast;
    }
    visitPipe(ast, context) {
        const exp = ast.exp.visit(this);
        const args = this.visitAll(ast.args);
        if (exp !== ast.exp || args !== ast.args) {
            return new BindingPipe(ast.span, ast.sourceSpan, exp, ast.name, args, ast.nameSpan);
        }
        return ast;
    }
    visitKeyedRead(ast, context) {
        const obj = ast.receiver.visit(this);
        const key = ast.key.visit(this);
        if (obj !== ast.receiver || key !== ast.key) {
            return new KeyedRead(ast.span, ast.sourceSpan, obj, key);
        }
        return ast;
    }
    visitKeyedWrite(ast, context) {
        const obj = ast.receiver.visit(this);
        const key = ast.key.visit(this);
        const value = ast.value.visit(this);
        if (obj !== ast.receiver || key !== ast.key || value !== ast.value) {
            return new KeyedWrite(ast.span, ast.sourceSpan, obj, key, value);
        }
        return ast;
    }
    visitAll(asts) {
        const res = [];
        let modified = false;
        for (let i = 0; i < asts.length; ++i) {
            const original = asts[i];
            const value = original.visit(this);
            res[i] = value;
            modified = modified || value !== original;
        }
        return modified ? res : asts;
    }
    visitChain(ast, context) {
        const expressions = this.visitAll(ast.expressions);
        if (expressions !== ast.expressions) {
            return new Chain(ast.span, ast.sourceSpan, expressions);
        }
        return ast;
    }
    visitQuote(ast, context) {
        return ast;
    }
    visitSafeKeyedRead(ast, context) {
        const obj = ast.receiver.visit(this);
        const key = ast.key.visit(this);
        if (obj !== ast.receiver || key !== ast.key) {
            return new SafeKeyedRead(ast.span, ast.sourceSpan, obj, key);
        }
        return ast;
    }
}
// Bindings
class ParsedProperty {
    constructor(name, expression, type, 
    // TODO(FW-2095): `keySpan` should really be required but allows `undefined` so VE does
    // not need to be updated. Make `keySpan` required when VE is removed.
    sourceSpan, keySpan, valueSpan) {
        this.name = name;
        this.expression = expression;
        this.type = type;
        this.sourceSpan = sourceSpan;
        this.keySpan = keySpan;
        this.valueSpan = valueSpan;
        this.isLiteral = this.type === ParsedPropertyType.LITERAL_ATTR;
        this.isAnimation = this.type === ParsedPropertyType.ANIMATION;
    }
}
var ParsedPropertyType;
(function (ParsedPropertyType) {
    ParsedPropertyType[ParsedPropertyType["DEFAULT"] = 0] = "DEFAULT";
    ParsedPropertyType[ParsedPropertyType["LITERAL_ATTR"] = 1] = "LITERAL_ATTR";
    ParsedPropertyType[ParsedPropertyType["ANIMATION"] = 2] = "ANIMATION";
})(ParsedPropertyType || (ParsedPropertyType = {}));
class ParsedEvent {
    // Regular events have a target
    // Animation events have a phase
    constructor(name, targetOrPhase, type, handler, sourceSpan, 
    // TODO(FW-2095): keySpan should be required but was made optional to avoid changing VE
    handlerSpan, keySpan) {
        this.name = name;
        this.targetOrPhase = targetOrPhase;
        this.type = type;
        this.handler = handler;
        this.sourceSpan = sourceSpan;
        this.handlerSpan = handlerSpan;
        this.keySpan = keySpan;
    }
}
/**
 * ParsedVariable represents a variable declaration in a microsyntax expression.
 */
class ParsedVariable {
    constructor(name, value, sourceSpan, keySpan, valueSpan) {
        this.name = name;
        this.value = value;
        this.sourceSpan = sourceSpan;
        this.keySpan = keySpan;
        this.valueSpan = valueSpan;
    }
}
class BoundElementProperty {
    constructor(name, type, securityContext, value, unit, sourceSpan, keySpan, valueSpan) {
        this.name = name;
        this.type = type;
        this.securityContext = securityContext;
        this.value = value;
        this.unit = unit;
        this.sourceSpan = sourceSpan;
        this.keySpan = keySpan;
        this.valueSpan = valueSpan;
    }
}

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
const CORE$1 = '@angular/core';
class Identifiers$1 {
}
Identifiers$1.ANALYZE_FOR_ENTRY_COMPONENTS = {
    name: 'ANALYZE_FOR_ENTRY_COMPONENTS',
    moduleName: CORE$1,
};
Identifiers$1.ElementRef = { name: 'ElementRef', moduleName: CORE$1 };
Identifiers$1.NgModuleRef = { name: 'NgModuleRef', moduleName: CORE$1 };
Identifiers$1.ViewContainerRef = { name: 'ViewContainerRef', moduleName: CORE$1 };
Identifiers$1.ChangeDetectorRef = {
    name: 'ChangeDetectorRef',
    moduleName: CORE$1,
};
Identifiers$1.QueryList = { name: 'QueryList', moduleName: CORE$1 };
Identifiers$1.TemplateRef = { name: 'TemplateRef', moduleName: CORE$1 };
Identifiers$1.Renderer2 = { name: 'Renderer2', moduleName: CORE$1 };
Identifiers$1.CodegenComponentFactoryResolver = {
    name: 'ɵCodegenComponentFactoryResolver',
    moduleName: CORE$1,
};
Identifiers$1.ComponentFactoryResolver = {
    name: 'ComponentFactoryResolver',
    moduleName: CORE$1,
};
Identifiers$1.ComponentFactory = { name: 'ComponentFactory', moduleName: CORE$1 };
Identifiers$1.ComponentRef = { name: 'ComponentRef', moduleName: CORE$1 };
Identifiers$1.NgModuleFactory = { name: 'NgModuleFactory', moduleName: CORE$1 };
Identifiers$1.createModuleFactory = {
    name: 'ɵcmf',
    moduleName: CORE$1,
};
Identifiers$1.moduleDef = {
    name: 'ɵmod',
    moduleName: CORE$1,
};
Identifiers$1.moduleProviderDef = {
    name: 'ɵmpd',
    moduleName: CORE$1,
};
Identifiers$1.RegisterModuleFactoryFn = {
    name: 'ɵregisterModuleFactory',
    moduleName: CORE$1,
};
Identifiers$1.inject = { name: 'ɵɵinject', moduleName: CORE$1 };
Identifiers$1.directiveInject = { name: 'ɵɵdirectiveInject', moduleName: CORE$1 };
Identifiers$1.INJECTOR = { name: 'INJECTOR', moduleName: CORE$1 };
Identifiers$1.Injector = { name: 'Injector', moduleName: CORE$1 };
Identifiers$1.ViewEncapsulation = {
    name: 'ViewEncapsulation',
    moduleName: CORE$1,
};
Identifiers$1.ChangeDetectionStrategy = {
    name: 'ChangeDetectionStrategy',
    moduleName: CORE$1,
};
Identifiers$1.SecurityContext = {
    name: 'SecurityContext',
    moduleName: CORE$1,
};
Identifiers$1.LOCALE_ID = { name: 'LOCALE_ID', moduleName: CORE$1 };
Identifiers$1.TRANSLATIONS_FORMAT = {
    name: 'TRANSLATIONS_FORMAT',
    moduleName: CORE$1,
};
Identifiers$1.inlineInterpolate = {
    name: 'ɵinlineInterpolate',
    moduleName: CORE$1,
};
Identifiers$1.interpolate = { name: 'ɵinterpolate', moduleName: CORE$1 };
Identifiers$1.EMPTY_ARRAY = { name: 'ɵEMPTY_ARRAY', moduleName: CORE$1 };
Identifiers$1.EMPTY_MAP = { name: 'ɵEMPTY_MAP', moduleName: CORE$1 };
Identifiers$1.Renderer = { name: 'Renderer', moduleName: CORE$1 };
Identifiers$1.viewDef = { name: 'ɵvid', moduleName: CORE$1 };
Identifiers$1.elementDef = { name: 'ɵeld', moduleName: CORE$1 };
Identifiers$1.anchorDef = { name: 'ɵand', moduleName: CORE$1 };
Identifiers$1.textDef = { name: 'ɵted', moduleName: CORE$1 };
Identifiers$1.directiveDef = { name: 'ɵdid', moduleName: CORE$1 };
Identifiers$1.providerDef = { name: 'ɵprd', moduleName: CORE$1 };
Identifiers$1.queryDef = { name: 'ɵqud', moduleName: CORE$1 };
Identifiers$1.pureArrayDef = { name: 'ɵpad', moduleName: CORE$1 };
Identifiers$1.pureObjectDef = { name: 'ɵpod', moduleName: CORE$1 };
Identifiers$1.purePipeDef = { name: 'ɵppd', moduleName: CORE$1 };
Identifiers$1.pipeDef = { name: 'ɵpid', moduleName: CORE$1 };
Identifiers$1.nodeValue = { name: 'ɵnov', moduleName: CORE$1 };
Identifiers$1.ngContentDef = { name: 'ɵncd', moduleName: CORE$1 };
Identifiers$1.unwrapValue = { name: 'ɵunv', moduleName: CORE$1 };
Identifiers$1.createRendererType2 = { name: 'ɵcrt', moduleName: CORE$1 };
// type only
Identifiers$1.RendererType2 = {
    name: 'RendererType2',
    moduleName: CORE$1,
};
// type only
Identifiers$1.ViewDefinition = {
    name: 'ɵViewDefinition',
    moduleName: CORE$1,
};
Identifiers$1.createComponentFactory = { name: 'ɵccf', moduleName: CORE$1 };
function createTokenForReference(reference) {
    return { identifier: { reference: reference } };
}
function createTokenForExternalReference(reflector, reference) {
    return createTokenForReference(reflector.resolveExternalReference(reference));
}

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
class EventHandlerVars {
}
EventHandlerVars.event = variable('$event');
class ConvertActionBindingResult {
    constructor(
    /**
     * Render2 compatible statements,
     */
    stmts, 
    /**
     * Variable name used with render2 compatible statements.
     */
    allowDefault) {
        this.stmts = stmts;
        this.allowDefault = allowDefault;
        /**
         * This is bit of a hack. It converts statements which render2 expects to statements which are
         * expected by render3.
         *
         * Example: `<div click="doSomething($event)">` will generate:
         *
         * Render3:
         * ```
         * const pd_b:any = ((<any>ctx.doSomething($event)) !== false);
         * return pd_b;
         * ```
         *
         * but render2 expects:
         * ```
         * return ctx.doSomething($event);
         * ```
         */
        // TODO(misko): remove this hack once we no longer support ViewEngine.
        this.render3Stmts = stmts.map((statement) => {
            if (statement instanceof DeclareVarStmt && statement.name == allowDefault.name &&
                statement.value instanceof BinaryOperatorExpr) {
                const lhs = statement.value.lhs;
                return new ReturnStatement(lhs.value);
            }
            return statement;
        });
    }
}
/**
 * Converts the given expression AST into an executable output AST, assuming the expression is
 * used in an action binding (e.g. an event handler).
 */
function convertActionBinding(localResolver, implicitReceiver, action, bindingId, interpolationFunction, baseSourceSpan, implicitReceiverAccesses, globals) {
    if (!localResolver) {
        localResolver = new DefaultLocalResolver(globals);
    }
    const actionWithoutBuiltins = convertPropertyBindingBuiltins({
        createLiteralArrayConverter: (argCount) => {
            // Note: no caching for literal arrays in actions.
            return (args) => literalArr(args);
        },
        createLiteralMapConverter: (keys) => {
            // Note: no caching for literal maps in actions.
            return (values) => {
                const entries = keys.map((k, i) => ({
                    key: k.key,
                    value: values[i],
                    quoted: k.quoted,
                }));
                return literalMap(entries);
            };
        },
        createPipeConverter: (name) => {
            throw new Error(`Illegal State: Actions are not allowed to contain pipes. Pipe: ${name}`);
        }
    }, action);
    const visitor = new _AstToIrVisitor(localResolver, implicitReceiver, bindingId, interpolationFunction, baseSourceSpan, implicitReceiverAccesses);
    const actionStmts = [];
    flattenStatements(actionWithoutBuiltins.visit(visitor, _Mode.Statement), actionStmts);
    prependTemporaryDecls(visitor.temporaryCount, bindingId, actionStmts);
    if (visitor.usesImplicitReceiver) {
        localResolver.notifyImplicitReceiverUse();
    }
    const lastIndex = actionStmts.length - 1;
    let preventDefaultVar = null;
    if (lastIndex >= 0) {
        const lastStatement = actionStmts[lastIndex];
        const returnExpr = convertStmtIntoExpression(lastStatement);
        if (returnExpr) {
            // Note: We need to cast the result of the method call to dynamic,
            // as it might be a void method!
            preventDefaultVar = createPreventDefaultVar(bindingId);
            actionStmts[lastIndex] =
                preventDefaultVar.set(returnExpr.cast(DYNAMIC_TYPE).notIdentical(literal(false)))
                    .toDeclStmt(null, [StmtModifier.Final]);
        }
    }
    return new ConvertActionBindingResult(actionStmts, preventDefaultVar);
}
function convertPropertyBindingBuiltins(converterFactory, ast) {
    return convertBuiltins(converterFactory, ast);
}
class ConvertPropertyBindingResult {
    constructor(stmts, currValExpr) {
        this.stmts = stmts;
        this.currValExpr = currValExpr;
    }
}
var BindingForm;
(function (BindingForm) {
    // The general form of binding expression, supports all expressions.
    BindingForm[BindingForm["General"] = 0] = "General";
    // Try to generate a simple binding (no temporaries or statements)
    // otherwise generate a general binding
    BindingForm[BindingForm["TrySimple"] = 1] = "TrySimple";
    // Inlines assignment of temporaries into the generated expression. The result may still
    // have statements attached for declarations of temporary variables.
    // This is the only relevant form for Ivy, the other forms are only used in ViewEngine.
    BindingForm[BindingForm["Expression"] = 2] = "Expression";
})(BindingForm || (BindingForm = {}));
/**
 * Converts the given expression AST into an executable output AST, assuming the expression
 * is used in property binding. The expression has to be preprocessed via
 * `convertPropertyBindingBuiltins`.
 */
function convertPropertyBinding(localResolver, implicitReceiver, expressionWithoutBuiltins, bindingId, form, interpolationFunction) {
    if (!localResolver) {
        localResolver = new DefaultLocalResolver();
    }
    const visitor = new _AstToIrVisitor(localResolver, implicitReceiver, bindingId, interpolationFunction);
    const outputExpr = expressionWithoutBuiltins.visit(visitor, _Mode.Expression);
    const stmts = getStatementsFromVisitor(visitor, bindingId);
    if (visitor.usesImplicitReceiver) {
        localResolver.notifyImplicitReceiverUse();
    }
    if (visitor.temporaryCount === 0 && form == BindingForm.TrySimple) {
        return new ConvertPropertyBindingResult([], outputExpr);
    }
    else if (form === BindingForm.Expression) {
        return new ConvertPropertyBindingResult(stmts, outputExpr);
    }
    const currValExpr = createCurrValueExpr(bindingId);
    stmts.push(currValExpr.set(outputExpr).toDeclStmt(DYNAMIC_TYPE, [StmtModifier.Final]));
    return new ConvertPropertyBindingResult(stmts, currValExpr);
}
/**
 * Given some expression, such as a binding or interpolation expression, and a context expression to
 * look values up on, visit each facet of the given expression resolving values from the context
 * expression such that a list of arguments can be derived from the found values that can be used as
 * arguments to an external update instruction.
 *
 * @param localResolver The resolver to use to look up expressions by name appropriately
 * @param contextVariableExpression The expression representing the context variable used to create
 * the final argument expressions
 * @param expressionWithArgumentsToExtract The expression to visit to figure out what values need to
 * be resolved and what arguments list to build.
 * @param bindingId A name prefix used to create temporary variable names if they're needed for the
 * arguments generated
 * @returns An array of expressions that can be passed as arguments to instruction expressions like
 * `o.importExpr(R3.propertyInterpolate).callFn(result)`
 */
function convertUpdateArguments(localResolver, contextVariableExpression, expressionWithArgumentsToExtract, bindingId) {
    const visitor = new _AstToIrVisitor(localResolver, contextVariableExpression, bindingId, undefined);
    const outputExpr = expressionWithArgumentsToExtract.visit(visitor, _Mode.Expression);
    if (visitor.usesImplicitReceiver) {
        localResolver.notifyImplicitReceiverUse();
    }
    const stmts = getStatementsFromVisitor(visitor, bindingId);
    // Removing the first argument, because it was a length for ViewEngine, not Ivy.
    let args = outputExpr.args.slice(1);
    if (expressionWithArgumentsToExtract instanceof Interpolation) {
        // If we're dealing with an interpolation of 1 value with an empty prefix and suffix, reduce the
        // args returned to just the value, because we're going to pass it to a special instruction.
        const strings = expressionWithArgumentsToExtract.strings;
        if (args.length === 3 && strings[0] === '' && strings[1] === '') {
            // Single argument interpolate instructions.
            args = [args[1]];
        }
        else if (args.length >= 19) {
            // 19 or more arguments must be passed to the `interpolateV`-style instructions, which accept
            // an array of arguments
            args = [literalArr(args)];
        }
    }
    return { stmts, args };
}
function getStatementsFromVisitor(visitor, bindingId) {
    const stmts = [];
    for (let i = 0; i < visitor.temporaryCount; i++) {
        stmts.push(temporaryDeclaration(bindingId, i));
    }
    return stmts;
}
function convertBuiltins(converterFactory, ast) {
    const visitor = new _BuiltinAstConverter(converterFactory);
    return ast.visit(visitor);
}
function temporaryName(bindingId, temporaryNumber) {
    return `tmp_${bindingId}_${temporaryNumber}`;
}
function temporaryDeclaration(bindingId, temporaryNumber) {
    return new DeclareVarStmt(temporaryName(bindingId, temporaryNumber));
}
function prependTemporaryDecls(temporaryCount, bindingId, statements) {
    for (let i = temporaryCount - 1; i >= 0; i--) {
        statements.unshift(temporaryDeclaration(bindingId, i));
    }
}
var _Mode;
(function (_Mode) {
    _Mode[_Mode["Statement"] = 0] = "Statement";
    _Mode[_Mode["Expression"] = 1] = "Expression";
})(_Mode || (_Mode = {}));
function ensureStatementMode(mode, ast) {
    if (mode !== _Mode.Statement) {
        throw new Error(`Expected a statement, but saw ${ast}`);
    }
}
function ensureExpressionMode(mode, ast) {
    if (mode !== _Mode.Expression) {
        throw new Error(`Expected an expression, but saw ${ast}`);
    }
}
function convertToStatementIfNeeded(mode, expr) {
    if (mode === _Mode.Statement) {
        return expr.toStmt();
    }
    else {
        return expr;
    }
}
class _BuiltinAstConverter extends AstTransformer$1 {
    constructor(_converterFactory) {
        super();
        this._converterFactory = _converterFactory;
    }
    visitPipe(ast, context) {
        const args = [ast.exp, ...ast.args].map(ast => ast.visit(this, context));
        return new BuiltinFunctionCall(ast.span, ast.sourceSpan, args, this._converterFactory.createPipeConverter(ast.name, args.length));
    }
    visitLiteralArray(ast, context) {
        const args = ast.expressions.map(ast => ast.visit(this, context));
        return new BuiltinFunctionCall(ast.span, ast.sourceSpan, args, this._converterFactory.createLiteralArrayConverter(ast.expressions.length));
    }
    visitLiteralMap(ast, context) {
        const args = ast.values.map(ast => ast.visit(this, context));
        return new BuiltinFunctionCall(ast.span, ast.sourceSpan, args, this._converterFactory.createLiteralMapConverter(ast.keys));
    }
}
class _AstToIrVisitor {
    constructor(_localResolver, _implicitReceiver, bindingId, interpolationFunction, baseSourceSpan, implicitReceiverAccesses) {
        this._localResolver = _localResolver;
        this._implicitReceiver = _implicitReceiver;
        this.bindingId = bindingId;
        this.interpolationFunction = interpolationFunction;
        this.baseSourceSpan = baseSourceSpan;
        this.implicitReceiverAccesses = implicitReceiverAccesses;
        this._nodeMap = new Map();
        this._resultMap = new Map();
        this._currentTemporary = 0;
        this.temporaryCount = 0;
        this.usesImplicitReceiver = false;
    }
    visitUnary(ast, mode) {
        let op;
        switch (ast.operator) {
            case '+':
                op = UnaryOperator.Plus;
                break;
            case '-':
                op = UnaryOperator.Minus;
                break;
            default:
                throw new Error(`Unsupported operator ${ast.operator}`);
        }
        return convertToStatementIfNeeded(mode, new UnaryOperatorExpr(op, this._visit(ast.expr, _Mode.Expression), undefined, this.convertSourceSpan(ast.span)));
    }
    visitBinary(ast, mode) {
        let op;
        switch (ast.operation) {
            case '+':
                op = BinaryOperator.Plus;
                break;
            case '-':
                op = BinaryOperator.Minus;
                break;
            case '*':
                op = BinaryOperator.Multiply;
                break;
            case '/':
                op = BinaryOperator.Divide;
                break;
            case '%':
                op = BinaryOperator.Modulo;
                break;
            case '&&':
                op = BinaryOperator.And;
                break;
            case '||':
                op = BinaryOperator.Or;
                break;
            case '==':
                op = BinaryOperator.Equals;
                break;
            case '!=':
                op = BinaryOperator.NotEquals;
                break;
            case '===':
                op = BinaryOperator.Identical;
                break;
            case '!==':
                op = BinaryOperator.NotIdentical;
                break;
            case '<':
                op = BinaryOperator.Lower;
                break;
            case '>':
                op = BinaryOperator.Bigger;
                break;
            case '<=':
                op = BinaryOperator.LowerEquals;
                break;
            case '>=':
                op = BinaryOperator.BiggerEquals;
                break;
            case '??':
                return this.convertNullishCoalesce(ast, mode);
            default:
                throw new Error(`Unsupported operation ${ast.operation}`);
        }
        return convertToStatementIfNeeded(mode, new BinaryOperatorExpr(op, this._visit(ast.left, _Mode.Expression), this._visit(ast.right, _Mode.Expression), undefined, this.convertSourceSpan(ast.span)));
    }
    visitChain(ast, mode) {
        ensureStatementMode(mode, ast);
        return this.visitAll(ast.expressions, mode);
    }
    visitConditional(ast, mode) {
        const value = this._visit(ast.condition, _Mode.Expression);
        return convertToStatementIfNeeded(mode, value.conditional(this._visit(ast.trueExp, _Mode.Expression), this._visit(ast.falseExp, _Mode.Expression), this.convertSourceSpan(ast.span)));
    }
    visitPipe(ast, mode) {
        throw new Error(`Illegal state: Pipes should have been converted into functions. Pipe: ${ast.name}`);
    }
    visitFunctionCall(ast, mode) {
        const convertedArgs = this.visitAll(ast.args, _Mode.Expression);
        let fnResult;
        if (ast instanceof BuiltinFunctionCall) {
            fnResult = ast.converter(convertedArgs);
        }
        else {
            fnResult = this._visit(ast.target, _Mode.Expression)
                .callFn(convertedArgs, this.convertSourceSpan(ast.span));
        }
        return convertToStatementIfNeeded(mode, fnResult);
    }
    visitImplicitReceiver(ast, mode) {
        ensureExpressionMode(mode, ast);
        this.usesImplicitReceiver = true;
        return this._implicitReceiver;
    }
    visitThisReceiver(ast, mode) {
        return this.visitImplicitReceiver(ast, mode);
    }
    visitInterpolation(ast, mode) {
        ensureExpressionMode(mode, ast);
        const args = [literal(ast.expressions.length)];
        for (let i = 0; i < ast.strings.length - 1; i++) {
            args.push(literal(ast.strings[i]));
            args.push(this._visit(ast.expressions[i], _Mode.Expression));
        }
        args.push(literal(ast.strings[ast.strings.length - 1]));
        if (this.interpolationFunction) {
            return this.interpolationFunction(args);
        }
        return ast.expressions.length <= 9 ?
            importExpr(Identifiers$1.inlineInterpolate).callFn(args) :
            importExpr(Identifiers$1.interpolate).callFn([
                args[0], literalArr(args.slice(1), undefined, this.convertSourceSpan(ast.span))
            ]);
    }
    visitKeyedRead(ast, mode) {
        const leftMostSafe = this.leftMostSafeNode(ast);
        if (leftMostSafe) {
            return this.convertSafeAccess(ast, leftMostSafe, mode);
        }
        else {
            return convertToStatementIfNeeded(mode, this._visit(ast.receiver, _Mode.Expression).key(this._visit(ast.key, _Mode.Expression)));
        }
    }
    visitKeyedWrite(ast, mode) {
        const obj = this._visit(ast.receiver, _Mode.Expression);
        const key = this._visit(ast.key, _Mode.Expression);
        const value = this._visit(ast.value, _Mode.Expression);
        if (obj === this._implicitReceiver) {
            this._localResolver.maybeRestoreView();
        }
        return convertToStatementIfNeeded(mode, obj.key(key).set(value));
    }
    visitLiteralArray(ast, mode) {
        throw new Error(`Illegal State: literal arrays should have been converted into functions`);
    }
    visitLiteralMap(ast, mode) {
        throw new Error(`Illegal State: literal maps should have been converted into functions`);
    }
    visitLiteralPrimitive(ast, mode) {
        // For literal values of null, undefined, true, or false allow type interference
        // to infer the type.
        const type = ast.value === null || ast.value === undefined || ast.value === true || ast.value === true ?
            INFERRED_TYPE :
            undefined;
        return convertToStatementIfNeeded(mode, literal(ast.value, type, this.convertSourceSpan(ast.span)));
    }
    _getLocal(name, receiver) {
        var _a;
        if (((_a = this._localResolver.globals) === null || _a === void 0 ? void 0 : _a.has(name)) && receiver instanceof ThisReceiver) {
            return null;
        }
        return this._localResolver.getLocal(name);
    }
    visitMethodCall(ast, mode) {
        if (ast.receiver instanceof ImplicitReceiver &&
            !(ast.receiver instanceof ThisReceiver) && ast.name === '$any') {
            const args = this.visitAll(ast.args, _Mode.Expression);
            if (args.length != 1) {
                throw new Error(`Invalid call to $any, expected 1 argument but received ${args.length || 'none'}`);
            }
            return args[0].cast(DYNAMIC_TYPE, this.convertSourceSpan(ast.span));
        }
        const leftMostSafe = this.leftMostSafeNode(ast);
        if (leftMostSafe) {
            return this.convertSafeAccess(ast, leftMostSafe, mode);
        }
        else {
            const args = this.visitAll(ast.args, _Mode.Expression);
            const prevUsesImplicitReceiver = this.usesImplicitReceiver;
            let result = null;
            const receiver = this._visit(ast.receiver, _Mode.Expression);
            if (receiver === this._implicitReceiver) {
                const varExpr = this._getLocal(ast.name, ast.receiver);
                if (varExpr) {
                    // Restore the previous "usesImplicitReceiver" state since the implicit
                    // receiver has been replaced with a resolved local expression.
                    this.usesImplicitReceiver = prevUsesImplicitReceiver;
                    result = varExpr.callFn(args);
                    this.addImplicitReceiverAccess(ast.name);
                }
            }
            if (result == null) {
                result = receiver.callMethod(ast.name, args, this.convertSourceSpan(ast.span));
            }
            return convertToStatementIfNeeded(mode, result);
        }
    }
    visitPrefixNot(ast, mode) {
        return convertToStatementIfNeeded(mode, not(this._visit(ast.expression, _Mode.Expression)));
    }
    visitNonNullAssert(ast, mode) {
        return convertToStatementIfNeeded(mode, assertNotNull(this._visit(ast.expression, _Mode.Expression)));
    }
    visitPropertyRead(ast, mode) {
        const leftMostSafe = this.leftMostSafeNode(ast);
        if (leftMostSafe) {
            return this.convertSafeAccess(ast, leftMostSafe, mode);
        }
        else {
            let result = null;
            const prevUsesImplicitReceiver = this.usesImplicitReceiver;
            const receiver = this._visit(ast.receiver, _Mode.Expression);
            if (receiver === this._implicitReceiver) {
                result = this._getLocal(ast.name, ast.receiver);
                if (result) {
                    // Restore the previous "usesImplicitReceiver" state since the implicit
                    // receiver has been replaced with a resolved local expression.
                    this.usesImplicitReceiver = prevUsesImplicitReceiver;
                    this.addImplicitReceiverAccess(ast.name);
                }
            }
            if (result == null) {
                result = receiver.prop(ast.name);
            }
            return convertToStatementIfNeeded(mode, result);
        }
    }
    visitPropertyWrite(ast, mode) {
        const receiver = this._visit(ast.receiver, _Mode.Expression);
        const prevUsesImplicitReceiver = this.usesImplicitReceiver;
        let varExpr = null;
        if (receiver === this._implicitReceiver) {
            const localExpr = this._getLocal(ast.name, ast.receiver);
            if (localExpr) {
                if (localExpr instanceof ReadPropExpr) {
                    // If the local variable is a property read expression, it's a reference
                    // to a 'context.property' value and will be used as the target of the
                    // write expression.
                    varExpr = localExpr;
                    // Restore the previous "usesImplicitReceiver" state since the implicit
                    // receiver has been replaced with a resolved local expression.
                    this.usesImplicitReceiver = prevUsesImplicitReceiver;
                    this.addImplicitReceiverAccess(ast.name);
                }
                else {
                    // Otherwise it's an error.
                    const receiver = ast.name;
                    const value = (ast.value instanceof PropertyRead) ? ast.value.name : undefined;
                    throw new Error(`Cannot assign value "${value}" to template variable "${receiver}". Template variables are read-only.`);
                }
            }
        }
        // If no local expression could be produced, use the original receiver's
        // property as the target.
        if (varExpr === null) {
            varExpr = receiver.prop(ast.name);
        }
        return convertToStatementIfNeeded(mode, varExpr.set(this._visit(ast.value, _Mode.Expression)));
    }
    visitSafePropertyRead(ast, mode) {
        return this.convertSafeAccess(ast, this.leftMostSafeNode(ast), mode);
    }
    visitSafeMethodCall(ast, mode) {
        return this.convertSafeAccess(ast, this.leftMostSafeNode(ast), mode);
    }
    visitSafeKeyedRead(ast, mode) {
        return this.convertSafeAccess(ast, this.leftMostSafeNode(ast), mode);
    }
    visitAll(asts, mode) {
        return asts.map(ast => this._visit(ast, mode));
    }
    visitQuote(ast, mode) {
        throw new Error(`Quotes are not supported for evaluation!
        Statement: ${ast.uninterpretedExpression} located at ${ast.location}`);
    }
    _visit(ast, mode) {
        const result = this._resultMap.get(ast);
        if (result)
            return result;
        return (this._nodeMap.get(ast) || ast).visit(this, mode);
    }
    convertSafeAccess(ast, leftMostSafe, mode) {
        // If the expression contains a safe access node on the left it needs to be converted to
        // an expression that guards the access to the member by checking the receiver for blank. As
        // execution proceeds from left to right, the left most part of the expression must be guarded
        // first but, because member access is left associative, the right side of the expression is at
        // the top of the AST. The desired result requires lifting a copy of the left part of the
        // expression up to test it for blank before generating the unguarded version.
        // Consider, for example the following expression: a?.b.c?.d.e
        // This results in the ast:
        //         .
        //        / \
        //       ?.   e
        //      /  \
        //     .    d
        //    / \
        //   ?.  c
        //  /  \
        // a    b
        // The following tree should be generated:
        //
        //        /---- ? ----\
        //       /      |      \
        //     a   /--- ? ---\  null
        //        /     |     \
        //       .      .     null
        //      / \    / \
        //     .  c   .   e
        //    / \    / \
        //   a   b  .   d
        //         / \
        //        .   c
        //       / \
        //      a   b
        //
        // Notice that the first guard condition is the left hand of the left most safe access node
        // which comes in as leftMostSafe to this routine.
        let guardedExpression = this._visit(leftMostSafe.receiver, _Mode.Expression);
        let temporary = undefined;
        if (this.needsTemporaryInSafeAccess(leftMostSafe.receiver)) {
            // If the expression has method calls or pipes then we need to save the result into a
            // temporary variable to avoid calling stateful or impure code more than once.
            temporary = this.allocateTemporary();
            // Preserve the result in the temporary variable
            guardedExpression = temporary.set(guardedExpression);
            // Ensure all further references to the guarded expression refer to the temporary instead.
            this._resultMap.set(leftMostSafe.receiver, temporary);
        }
        const condition = guardedExpression.isBlank();
        // Convert the ast to an unguarded access to the receiver's member. The map will substitute
        // leftMostNode with its unguarded version in the call to `this.visit()`.
        if (leftMostSafe instanceof SafeMethodCall) {
            this._nodeMap.set(leftMostSafe, new MethodCall(leftMostSafe.span, leftMostSafe.sourceSpan, leftMostSafe.nameSpan, leftMostSafe.receiver, leftMostSafe.name, leftMostSafe.args, leftMostSafe.argumentSpan));
        }
        else if (leftMostSafe instanceof SafeKeyedRead) {
            this._nodeMap.set(leftMostSafe, new KeyedRead(leftMostSafe.span, leftMostSafe.sourceSpan, leftMostSafe.receiver, leftMostSafe.key));
        }
        else {
            this._nodeMap.set(leftMostSafe, new PropertyRead(leftMostSafe.span, leftMostSafe.sourceSpan, leftMostSafe.nameSpan, leftMostSafe.receiver, leftMostSafe.name));
        }
        // Recursively convert the node now without the guarded member access.
        const access = this._visit(ast, _Mode.Expression);
        // Remove the mapping. This is not strictly required as the converter only traverses each node
        // once but is safer if the conversion is changed to traverse the nodes more than once.
        this._nodeMap.delete(leftMostSafe);
        // If we allocated a temporary, release it.
        if (temporary) {
            this.releaseTemporary(temporary);
        }
        // Produce the conditional
        return convertToStatementIfNeeded(mode, condition.conditional(NULL_EXPR, access));
    }
    convertNullishCoalesce(ast, mode) {
        const left = this._visit(ast.left, _Mode.Expression);
        const right = this._visit(ast.right, _Mode.Expression);
        const temporary = this.allocateTemporary();
        this.releaseTemporary(temporary);
        // Generate the following expression. It is identical to how TS
        // transpiles binary expressions with a nullish coalescing operator.
        // let temp;
        // (temp = a) !== null && temp !== undefined ? temp : b;
        return convertToStatementIfNeeded(mode, temporary.set(left)
            .notIdentical(NULL_EXPR)
            .and(temporary.notIdentical(literal(undefined)))
            .conditional(temporary, right));
    }
    // Given an expression of the form a?.b.c?.d.e then the left most safe node is
    // the (a?.b). The . and ?. are left associative thus can be rewritten as:
    // ((((a?.c).b).c)?.d).e. This returns the most deeply nested safe read or
    // safe method call as this needs to be transformed initially to:
    //   a == null ? null : a.c.b.c?.d.e
    // then to:
    //   a == null ? null : a.b.c == null ? null : a.b.c.d.e
    leftMostSafeNode(ast) {
        const visit = (visitor, ast) => {
            return (this._nodeMap.get(ast) || ast).visit(visitor);
        };
        return ast.visit({
            visitUnary(ast) {
                return null;
            },
            visitBinary(ast) {
                return null;
            },
            visitChain(ast) {
                return null;
            },
            visitConditional(ast) {
                return null;
            },
            visitFunctionCall(ast) {
                return null;
            },
            visitImplicitReceiver(ast) {
                return null;
            },
            visitThisReceiver(ast) {
                return null;
            },
            visitInterpolation(ast) {
                return null;
            },
            visitKeyedRead(ast) {
                return visit(this, ast.receiver);
            },
            visitKeyedWrite(ast) {
                return null;
            },
            visitLiteralArray(ast) {
                return null;
            },
            visitLiteralMap(ast) {
                return null;
            },
            visitLiteralPrimitive(ast) {
                return null;
            },
            visitMethodCall(ast) {
                return visit(this, ast.receiver);
            },
            visitPipe(ast) {
                return null;
            },
            visitPrefixNot(ast) {
                return null;
            },
            visitNonNullAssert(ast) {
                return null;
            },
            visitPropertyRead(ast) {
                return visit(this, ast.receiver);
            },
            visitPropertyWrite(ast) {
                return null;
            },
            visitQuote(ast) {
                return null;
            },
            visitSafeMethodCall(ast) {
                return visit(this, ast.receiver) || ast;
            },
            visitSafePropertyRead(ast) {
                return visit(this, ast.receiver) || ast;
            },
            visitSafeKeyedRead(ast) {
                return visit(this, ast.receiver) || ast;
            }
        });
    }
    // Returns true of the AST includes a method or a pipe indicating that, if the
    // expression is used as the target of a safe property or method access then
    // the expression should be stored into a temporary variable.
    needsTemporaryInSafeAccess(ast) {
        const visit = (visitor, ast) => {
            return ast && (this._nodeMap.get(ast) || ast).visit(visitor);
        };
        const visitSome = (visitor, ast) => {
            return ast.some(ast => visit(visitor, ast));
        };
        return ast.visit({
            visitUnary(ast) {
                return visit(this, ast.expr);
            },
            visitBinary(ast) {
                return visit(this, ast.left) || visit(this, ast.right);
            },
            visitChain(ast) {
                return false;
            },
            visitConditional(ast) {
                return visit(this, ast.condition) || visit(this, ast.trueExp) || visit(this, ast.falseExp);
            },
            visitFunctionCall(ast) {
                return true;
            },
            visitImplicitReceiver(ast) {
                return false;
            },
            visitThisReceiver(ast) {
                return false;
            },
            visitInterpolation(ast) {
                return visitSome(this, ast.expressions);
            },
            visitKeyedRead(ast) {
                return false;
            },
            visitKeyedWrite(ast) {
                return false;
            },
            visitLiteralArray(ast) {
                return true;
            },
            visitLiteralMap(ast) {
                return true;
            },
            visitLiteralPrimitive(ast) {
                return false;
            },
            visitMethodCall(ast) {
                return true;
            },
            visitPipe(ast) {
                return true;
            },
            visitPrefixNot(ast) {
                return visit(this, ast.expression);
            },
            visitNonNullAssert(ast) {
                return visit(this, ast.expression);
            },
            visitPropertyRead(ast) {
                return false;
            },
            visitPropertyWrite(ast) {
                return false;
            },
            visitQuote(ast) {
                return false;
            },
            visitSafeMethodCall(ast) {
                return true;
            },
            visitSafePropertyRead(ast) {
                return false;
            },
            visitSafeKeyedRead(ast) {
                return false;
            }
        });
    }
    allocateTemporary() {
        const tempNumber = this._currentTemporary++;
        this.temporaryCount = Math.max(this._currentTemporary, this.temporaryCount);
        return new ReadVarExpr(temporaryName(this.bindingId, tempNumber));
    }
    releaseTemporary(temporary) {
        this._currentTemporary--;
        if (temporary.name != temporaryName(this.bindingId, this._currentTemporary)) {
            throw new Error(`Temporary ${temporary.name} released out of order`);
        }
    }
    /**
     * Creates an absolute `ParseSourceSpan` from the relative `ParseSpan`.
     *
     * `ParseSpan` objects are relative to the start of the expression.
     * This method converts these to full `ParseSourceSpan` objects that
     * show where the span is within the overall source file.
     *
     * @param span the relative span to convert.
     * @returns a `ParseSourceSpan` for the given span or null if no
     * `baseSourceSpan` was provided to this class.
     */
    convertSourceSpan(span) {
        if (this.baseSourceSpan) {
            const start = this.baseSourceSpan.start.moveBy(span.start);
            const end = this.baseSourceSpan.start.moveBy(span.end);
            const fullStart = this.baseSourceSpan.fullStart.moveBy(span.start);
            return new ParseSourceSpan(start, end, fullStart);
        }
        else {
            return null;
        }
    }
    /** Adds the name of an AST to the list of implicit receiver accesses. */
    addImplicitReceiverAccess(name) {
        if (this.implicitReceiverAccesses) {
            this.implicitReceiverAccesses.add(name);
        }
    }
}
function flattenStatements(arg, output) {
    if (Array.isArray(arg)) {
        arg.forEach((entry) => flattenStatements(entry, output));
    }
    else {
        output.push(arg);
    }
}
class DefaultLocalResolver {
    constructor(globals) {
        this.globals = globals;
    }
    notifyImplicitReceiverUse() { }
    maybeRestoreView() { }
    getLocal(name) {
        if (name === EventHandlerVars.event.name) {
            return EventHandlerVars.event;
        }
        return null;
    }
}
function createCurrValueExpr(bindingId) {
    return variable(`currVal_${bindingId}`); // fix syntax highlighting: `
}
function createPreventDefaultVar(bindingId) {
    return variable(`pd_${bindingId}`);
}
function convertStmtIntoExpression(stmt) {
    if (stmt instanceof ExpressionStatement) {
        return stmt.expr;
    }
    else if (stmt instanceof ReturnStatement) {
        return stmt.value;
    }
    return null;
}
class BuiltinFunctionCall extends FunctionCall {
    constructor(span, sourceSpan, args, converter) {
        super(span, sourceSpan, null, args);
        this.converter = converter;
    }
}

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
/**
 * This file is a port of shadowCSS from webcomponents.js to TypeScript.
 *
 * Please make sure to keep to edits in sync with the source file.
 *
 * Source:
 * https://github.com/webcomponents/webcomponentsjs/blob/4efecd7e0e/src/ShadowCSS/ShadowCSS.js
 *
 * The original file level comment is reproduced below
 */
/*
  This is a limited shim for ShadowDOM css styling.
  https://dvcs.w3.org/hg/webcomponents/raw-file/tip/spec/shadow/index.html#styles

  The intention here is to support only the styling features which can be
  relatively simply implemented. The goal is to allow users to avoid the
  most obvious pitfalls and do so without compromising performance significantly.
  For ShadowDOM styling that's not covered here, a set of best practices
  can be provided that should allow users to accomplish more complex styling.

  The following is a list of specific ShadowDOM styling features and a brief
  discussion of the approach used to shim.

  Shimmed features:

  * :host, :host-context: ShadowDOM allows styling of the shadowRoot's host
  element using the :host rule. To shim this feature, the :host styles are
  reformatted and prefixed with a given scope name and promoted to a
  document level stylesheet.
  For example, given a scope name of .foo, a rule like this:

    :host {
        background: red;
      }
    }

  becomes:

    .foo {
      background: red;
    }

  * encapsulation: Styles defined within ShadowDOM, apply only to
  dom inside the ShadowDOM. Polymer uses one of two techniques to implement
  this feature.

  By default, rules are prefixed with the host element tag name
  as a descendant selector. This ensures styling does not leak out of the 'top'
  of the element's ShadowDOM. For example,

  div {
      font-weight: bold;
    }

  becomes:

  x-foo div {
      font-weight: bold;
    }

  becomes:


  Alternatively, if WebComponents.ShadowCSS.strictStyling is set to true then
  selectors are scoped by adding an attribute selector suffix to each
  simple selector that contains the host element tag name. Each element
  in the element's ShadowDOM template is also given the scope attribute.
  Thus, these rules match only elements that have the scope attribute.
  For example, given a scope name of x-foo, a rule like this:

    div {
      font-weight: bold;
    }

  becomes:

    div[x-foo] {
      font-weight: bold;
    }

  Note that elements that are dynamically added to a scope must have the scope
  selector added to them manually.

  * upper/lower bound encapsulation: Styles which are defined outside a
  shadowRoot should not cross the ShadowDOM boundary and should not apply
  inside a shadowRoot.

  This styling behavior is not emulated. Some possible ways to do this that
  were rejected due to complexity and/or performance concerns include: (1) reset
  every possible property for every possible selector for a given scope name;
  (2) re-implement css in javascript.

  As an alternative, users should make sure to use selectors
  specific to the scope in which they are working.

  * ::distributed: This behavior is not emulated. It's often not necessary
  to style the contents of a specific insertion point and instead, descendants
  of the host element can be styled selectively. Users can also create an
  extra node around an insertion point and style that node's contents
  via descendent selectors. For example, with a shadowRoot like this:

    <style>
      ::content(div) {
        background: red;
      }
    </style>
    <content></content>

  could become:

    <style>
      / *@polyfill .content-container div * /
      ::content(div) {
        background: red;
      }
    </style>
    <div class="content-container">
      <content></content>
    </div>

  Note the use of @polyfill in the comment above a ShadowDOM specific style
  declaration. This is a directive to the styling shim to use the selector
  in comments in lieu of the next selector when running under polyfill.
*/
class ShadowCss {
    constructor() {
        this.strictStyling = true;
    }
    /*
     * Shim some cssText with the given selector. Returns cssText that can
     * be included in the document via WebComponents.ShadowCSS.addCssToDocument(css).
     *
     * When strictStyling is true:
     * - selector is the attribute added to all elements inside the host,
     * - hostSelector is the attribute added to the host itself.
     */
    shimCssText(cssText, selector, hostSelector = '') {
        const commentsWithHash = extractCommentsWithHash(cssText);
        cssText = stripComments(cssText);
        cssText = this._insertDirectives(cssText);
        const scopedCssText = this._scopeCssText(cssText, selector, hostSelector);
        return [scopedCssText, ...commentsWithHash].join('\n');
    }
    _insertDirectives(cssText) {
        cssText = this._insertPolyfillDirectivesInCssText(cssText);
        return this._insertPolyfillRulesInCssText(cssText);
    }
    /*
     * Process styles to convert native ShadowDOM rules that will trip
     * up the css parser; we rely on decorating the stylesheet with inert rules.
     *
     * For example, we convert this rule:
     *
     * polyfill-next-selector { content: ':host menu-item'; }
     * ::content menu-item {
     *
     * to this:
     *
     * scopeName menu-item {
     *
     **/
    _insertPolyfillDirectivesInCssText(cssText) {
        // Difference with webcomponents.js: does not handle comments
        return cssText.replace(_cssContentNextSelectorRe, function (...m) {
            return m[2] + '{';
        });
    }
    /*
     * Process styles to add rules which will only apply under the polyfill
     *
     * For example, we convert this rule:
     *
     * polyfill-rule {
     *   content: ':host menu-item';
     * ...
     * }
     *
     * to this:
     *
     * scopeName menu-item {...}
     *
     **/
    _insertPolyfillRulesInCssText(cssText) {
        // Difference with webcomponents.js: does not handle comments
        return cssText.replace(_cssContentRuleRe, (...m) => {
            const rule = m[0].replace(m[1], '').replace(m[2], '');
            return m[4] + rule;
        });
    }
    /* Ensure styles are scoped. Pseudo-scoping takes a rule like:
     *
     *  .foo {... }
     *
     *  and converts this to
     *
     *  scopeName .foo { ... }
     */
    _scopeCssText(cssText, scopeSelector, hostSelector) {
        const unscopedRules = this._extractUnscopedRulesFromCssText(cssText);
        // replace :host and :host-context -shadowcsshost and -shadowcsshost respectively
        cssText = this._insertPolyfillHostInCssText(cssText);
        cssText = this._convertColonHost(cssText);
        cssText = this._convertColonHostContext(cssText);
        cssText = this._convertShadowDOMSelectors(cssText);
        if (scopeSelector) {
            cssText = this._scopeSelectors(cssText, scopeSelector, hostSelector);
        }
        cssText = cssText + '\n' + unscopedRules;
        return cssText.trim();
    }
    /*
     * Process styles to add rules which will only apply under the polyfill
     * and do not process via CSSOM. (CSSOM is destructive to rules on rare
     * occasions, e.g. -webkit-calc on Safari.)
     * For example, we convert this rule:
     *
     * @polyfill-unscoped-rule {
     *   content: 'menu-item';
     * ... }
     *
     * to this:
     *
     * menu-item {...}
     *
     **/
    _extractUnscopedRulesFromCssText(cssText) {
        // Difference with webcomponents.js: does not handle comments
        let r = '';
        let m;
        _cssContentUnscopedRuleRe.lastIndex = 0;
        while ((m = _cssContentUnscopedRuleRe.exec(cssText)) !== null) {
            const rule = m[0].replace(m[2], '').replace(m[1], m[4]);
            r += rule + '\n\n';
        }
        return r;
    }
    /*
     * convert a rule like :host(.foo) > .bar { }
     *
     * to
     *
     * .foo<scopeName> > .bar
     */
    _convertColonHost(cssText) {
        return cssText.replace(_cssColonHostRe, (_, hostSelectors, otherSelectors) => {
            if (hostSelectors) {
                const convertedSelectors = [];
                const hostSelectorArray = hostSelectors.split(',').map(p => p.trim());
                for (const hostSelector of hostSelectorArray) {
                    if (!hostSelector)
                        break;
                    const convertedSelector = _polyfillHostNoCombinator + hostSelector.replace(_polyfillHost, '') + otherSelectors;
                    convertedSelectors.push(convertedSelector);
                }
                return convertedSelectors.join(',');
            }
            else {
                return _polyfillHostNoCombinator + otherSelectors;
            }
        });
    }
    /*
     * convert a rule like :host-context(.foo) > .bar { }
     *
     * to
     *
     * .foo<scopeName> > .bar, .foo <scopeName> > .bar { }
     *
     * and
     *
     * :host-context(.foo:host) .bar { ... }
     *
     * to
     *
     * .foo<scopeName> .bar { ... }
     */
    _convertColonHostContext(cssText) {
        return cssText.replace(_cssColonHostContextReGlobal, selectorText => {
            // We have captured a selector that contains a `:host-context` rule.
            var _a;
            // For backward compatibility `:host-context` may contain a comma separated list of selectors.
            // Each context selector group will contain a list of host-context selectors that must match
            // an ancestor of the host.
            // (Normally `contextSelectorGroups` will only contain a single array of context selectors.)
            const contextSelectorGroups = [[]];
            // There may be more than `:host-context` in this selector so `selectorText` could look like:
            // `:host-context(.one):host-context(.two)`.
            // Execute `_cssColonHostContextRe` over and over until we have extracted all the
            // `:host-context` selectors from this selector.
            let match;
            while (match = _cssColonHostContextRe.exec(selectorText)) {
                // `match` = [':host-context(<selectors>)<rest>', <selectors>, <rest>]
                // The `<selectors>` could actually be a comma separated list: `:host-context(.one, .two)`.
                const newContextSelectors = ((_a = match[1]) !== null && _a !== void 0 ? _a : '').trim().split(',').map(m => m.trim()).filter(m => m !== '');
                // We must duplicate the current selector group for each of these new selectors.
                // For example if the current groups are:
                // ```
                // [
                //   ['a', 'b', 'c'],
                //   ['x', 'y', 'z'],
                // ]
                // ```
                // And we have a new set of comma separated selectors: `:host-context(m,n)` then the new
                // groups are:
                // ```
                // [
                //   ['a', 'b', 'c', 'm'],
                //   ['x', 'y', 'z', 'm'],
                //   ['a', 'b', 'c', 'n'],
                //   ['x', 'y', 'z', 'n'],
                // ]
                // ```
                const contextSelectorGroupsLength = contextSelectorGroups.length;
                repeatGroups(contextSelectorGroups, newContextSelectors.length);
                for (let i = 0; i < newContextSelectors.length; i++) {
                    for (let j = 0; j < contextSelectorGroupsLength; j++) {
                        contextSelectorGroups[j + (i * contextSelectorGroupsLength)].push(newContextSelectors[i]);
                    }
                }
                // Update the `selectorText` and see repeat to see if there are more `:host-context`s.
                selectorText = match[2];
            }
            // The context selectors now must be combined with each other to capture all the possible
            // selectors that `:host-context` can match. See `combineHostContextSelectors()` for more
            // info about how this is done.
            return contextSelectorGroups
                .map(contextSelectors => combineHostContextSelectors(contextSelectors, selectorText))
                .join(', ');
        });
    }
    /*
     * Convert combinators like ::shadow and pseudo-elements like ::content
     * by replacing with space.
     */
    _convertShadowDOMSelectors(cssText) {
        return _shadowDOMSelectorsRe.reduce((result, pattern) => result.replace(pattern, ' '), cssText);
    }
    // change a selector like 'div' to 'name div'
    _scopeSelectors(cssText, scopeSelector, hostSelector) {
        return processRules(cssText, (rule) => {
            let selector = rule.selector;
            let content = rule.content;
            if (rule.selector[0] !== '@') {
                selector =
                    this._scopeSelector(rule.selector, scopeSelector, hostSelector, this.strictStyling);
            }
            else if (rule.selector.startsWith('@media') || rule.selector.startsWith('@supports') ||
                rule.selector.startsWith('@document')) {
                content = this._scopeSelectors(rule.content, scopeSelector, hostSelector);
            }
            else if (rule.selector.startsWith('@font-face') || rule.selector.startsWith('@page')) {
                content = this._stripScopingSelectors(rule.content);
            }
            return new CssRule(selector, content);
        });
    }
    /**
     * Handle a css text that is within a rule that should not contain scope selectors by simply
     * removing them! An example of such a rule is `@font-face`.
     *
     * `@font-face` rules cannot contain nested selectors. Nor can they be nested under a selector.
     * Normally this would be a syntax error by the author of the styles. But in some rare cases, such
     * as importing styles from a library, and applying `:host ::ng-deep` to the imported styles, we
     * can end up with broken css if the imported styles happen to contain @font-face rules.
     *
     * For example:
     *
     * ```
     * :host ::ng-deep {
     *   import 'some/lib/containing/font-face';
     * }
     *
     * Similar logic applies to `@page` rules which can contain a particular set of properties,
     * as well as some specific at-rules. Since they can't be encapsulated, we have to strip
     * any scoping selectors from them. For more information: https://www.w3.org/TR/css-page-3
     * ```
     */
    _stripScopingSelectors(cssText) {
        return processRules(cssText, rule => {
            const selector = rule.selector.replace(_shadowDeepSelectors, ' ')
                .replace(_polyfillHostNoCombinatorRe, ' ');
            return new CssRule(selector, rule.content);
        });
    }
    _scopeSelector(selector, scopeSelector, hostSelector, strict) {
        return selector.split(',')
            .map(part => part.trim().split(_shadowDeepSelectors))
            .map((deepParts) => {
            const [shallowPart, ...otherParts] = deepParts;
            const applyScope = (shallowPart) => {
                if (this._selectorNeedsScoping(shallowPart, scopeSelector)) {
                    return strict ?
                        this._applyStrictSelectorScope(shallowPart, scopeSelector, hostSelector) :
                        this._applySelectorScope(shallowPart, scopeSelector, hostSelector);
                }
                else {
                    return shallowPart;
                }
            };
            return [applyScope(shallowPart), ...otherParts].join(' ');
        })
            .join(', ');
    }
    _selectorNeedsScoping(selector, scopeSelector) {
        const re = this._makeScopeMatcher(scopeSelector);
        return !re.test(selector);
    }
    _makeScopeMatcher(scopeSelector) {
        const lre = /\[/g;
        const rre = /\]/g;
        scopeSelector = scopeSelector.replace(lre, '\\[').replace(rre, '\\]');
        return new RegExp('^(' + scopeSelector + ')' + _selectorReSuffix, 'm');
    }
    _applySelectorScope(selector, scopeSelector, hostSelector) {
        // Difference from webcomponents.js: scopeSelector could not be an array
        return this._applySimpleSelectorScope(selector, scopeSelector, hostSelector);
    }
    // scope via name and [is=name]
    _applySimpleSelectorScope(selector, scopeSelector, hostSelector) {
        // In Android browser, the lastIndex is not reset when the regex is used in String.replace()
        _polyfillHostRe.lastIndex = 0;
        if (_polyfillHostRe.test(selector)) {
            const replaceBy = this.strictStyling ? `[${hostSelector}]` : scopeSelector;
            return selector
                .replace(_polyfillHostNoCombinatorRe, (hnc, selector) => {
                return selector.replace(/([^:]*)(:*)(.*)/, (_, before, colon, after) => {
                    return before + replaceBy + colon + after;
                });
            })
                .replace(_polyfillHostRe, replaceBy + ' ');
        }
        return scopeSelector + ' ' + selector;
    }
    // return a selector with [name] suffix on each simple selector
    // e.g. .foo.bar > .zot becomes .foo[name].bar[name] > .zot[name]  /** @internal */
    _applyStrictSelectorScope(selector, scopeSelector, hostSelector) {
        const isRe = /\[is=([^\]]*)\]/g;
        scopeSelector = scopeSelector.replace(isRe, (_, ...parts) => parts[0]);
        const attrName = '[' + scopeSelector + ']';
        const _scopeSelectorPart = (p) => {
            let scopedP = p.trim();
            if (!scopedP) {
                return '';
            }
            if (p.indexOf(_polyfillHostNoCombinator) > -1) {
                scopedP = this._applySimpleSelectorScope(p, scopeSelector, hostSelector);
            }
            else {
                // remove :host since it should be unnecessary
                const t = p.replace(_polyfillHostRe, '');
                if (t.length > 0) {
                    const matches = t.match(/([^:]*)(:*)(.*)/);
                    if (matches) {
                        scopedP = matches[1] + attrName + matches[2] + matches[3];
                    }
                }
            }
            return scopedP;
        };
        const safeContent = new SafeSelector(selector);
        selector = safeContent.content();
        let scopedSelector = '';
        let startIndex = 0;
        let res;
        const sep = /( |>|\+|~(?!=))\s*/g;
        // If a selector appears before :host it should not be shimmed as it
        // matches on ancestor elements and not on elements in the host's shadow
        // `:host-context(div)` is transformed to
        // `-shadowcsshost-no-combinatordiv, div -shadowcsshost-no-combinator`
        // the `div` is not part of the component in the 2nd selectors and should not be scoped.
        // Historically `component-tag:host` was matching the component so we also want to preserve
        // this behavior to avoid breaking legacy apps (it should not match).
        // The behavior should be:
        // - `tag:host` -> `tag[h]` (this is to avoid breaking legacy apps, should not match anything)
        // - `tag :host` -> `tag [h]` (`tag` is not scoped because it's considered part of a
        //   `:host-context(tag)`)
        const hasHost = selector.indexOf(_polyfillHostNoCombinator) > -1;
        // Only scope parts after the first `-shadowcsshost-no-combinator` when it is present
        let shouldScope = !hasHost;
        while ((res = sep.exec(selector)) !== null) {
            const separator = res[1];
            const part = selector.slice(startIndex, res.index).trim();
            shouldScope = shouldScope || part.indexOf(_polyfillHostNoCombinator) > -1;
            const scopedPart = shouldScope ? _scopeSelectorPart(part) : part;
            scopedSelector += `${scopedPart} ${separator} `;
            startIndex = sep.lastIndex;
        }
        const part = selector.substring(startIndex);
        shouldScope = shouldScope || part.indexOf(_polyfillHostNoCombinator) > -1;
        scopedSelector += shouldScope ? _scopeSelectorPart(part) : part;
        // replace the placeholders with their original values
        return safeContent.restore(scopedSelector);
    }
    _insertPolyfillHostInCssText(selector) {
        return selector.replace(_colonHostContextRe, _polyfillHostContext)
            .replace(_colonHostRe, _polyfillHost);
    }
}
class SafeSelector {
    constructor(selector) {
        this.placeholders = [];
        this.index = 0;
        // Replaces attribute selectors with placeholders.
        // The WS in [attr="va lue"] would otherwise be interpreted as a selector separator.
        selector = this._escapeRegexMatches(selector, /(\[[^\]]*\])/g);
        // CSS allows for certain special characters to be used in selectors if they're escaped.
        // E.g. `.foo:blue` won't match a class called `foo:blue`, because the colon denotes a
        // pseudo-class, but writing `.foo\:blue` will match, because the colon was escaped.
        // Replace all escape sequences (`\` followed by a character) with a placeholder so
        // that our handling of pseudo-selectors doesn't mess with them.
        selector = this._escapeRegexMatches(selector, /(\\.)/g);
        // Replaces the expression in `:nth-child(2n + 1)` with a placeholder.
        // WS and "+" would otherwise be interpreted as selector separators.
        this._content = selector.replace(/(:nth-[-\w]+)(\([^)]+\))/g, (_, pseudo, exp) => {
            const replaceBy = `__ph-${this.index}__`;
            this.placeholders.push(exp);
            this.index++;
            return pseudo + replaceBy;
        });
    }
    restore(content) {
        return content.replace(/__ph-(\d+)__/g, (_ph, index) => this.placeholders[+index]);
    }
    content() {
        return this._content;
    }
    /**
     * Replaces all of the substrings that match a regex within a
     * special string (e.g. `__ph-0__`, `__ph-1__`, etc).
     */
    _escapeRegexMatches(content, pattern) {
        return content.replace(pattern, (_, keep) => {
            const replaceBy = `__ph-${this.index}__`;
            this.placeholders.push(keep);
            this.index++;
            return replaceBy;
        });
    }
}
const _cssContentNextSelectorRe = /polyfill-next-selector[^}]*content:[\s]*?(['"])(.*?)\1[;\s]*}([^{]*?){/gim;
const _cssContentRuleRe = /(polyfill-rule)[^}]*(content:[\s]*(['"])(.*?)\3)[;\s]*[^}]*}/gim;
const _cssContentUnscopedRuleRe = /(polyfill-unscoped-rule)[^}]*(content:[\s]*(['"])(.*?)\3)[;\s]*[^}]*}/gim;
const _polyfillHost = '-shadowcsshost';
// note: :host-context pre-processed to -shadowcsshostcontext.
const _polyfillHostContext = '-shadowcsscontext';
const _parenSuffix = '(?:\\((' +
    '(?:\\([^)(]*\\)|[^)(]*)+?' +
    ')\\))?([^,{]*)';
const _cssColonHostRe = new RegExp(_polyfillHost + _parenSuffix, 'gim');
const _cssColonHostContextReGlobal = new RegExp(_polyfillHostContext + _parenSuffix, 'gim');
const _cssColonHostContextRe = new RegExp(_polyfillHostContext + _parenSuffix, 'im');
const _polyfillHostNoCombinator = _polyfillHost + '-no-combinator';
const _polyfillHostNoCombinatorRe = /-shadowcsshost-no-combinator([^\s]*)/;
const _shadowDOMSelectorsRe = [
    /::shadow/g,
    /::content/g,
    // Deprecated selectors
    /\/shadow-deep\//g,
    /\/shadow\//g,
];
// The deep combinator is deprecated in the CSS spec
// Support for `>>>`, `deep`, `::ng-deep` is then also deprecated and will be removed in the future.
// see https://github.com/angular/angular/pull/17677
const _shadowDeepSelectors = /(?:>>>)|(?:\/deep\/)|(?:::ng-deep)/g;
const _selectorReSuffix = '([>\\s~+\[.,{:][\\s\\S]*)?$';
const _polyfillHostRe = /-shadowcsshost/gim;
const _colonHostRe = /:host/gim;
const _colonHostContextRe = /:host-context/gim;
const _commentRe = /\/\*\s*[\s\S]*?\*\//g;
function stripComments(input) {
    return input.replace(_commentRe, '');
}
const _commentWithHashRe = /\/\*\s*#\s*source(Mapping)?URL=[\s\S]+?\*\//g;
function extractCommentsWithHash(input) {
    return input.match(_commentWithHashRe) || [];
}
const BLOCK_PLACEHOLDER = '%BLOCK%';
const QUOTE_PLACEHOLDER = '%QUOTED%';
const _ruleRe = /(\s*)([^;\{\}]+?)(\s*)((?:{%BLOCK%}?\s*;?)|(?:\s*;))/g;
const _quotedRe = /%QUOTED%/g;
const CONTENT_PAIRS = new Map([['{', '}']]);
const QUOTE_PAIRS = new Map([[`"`, `"`], [`'`, `'`]]);
class CssRule {
    constructor(selector, content) {
        this.selector = selector;
        this.content = content;
    }
}
function processRules(input, ruleCallback) {
    const inputWithEscapedQuotes = escapeBlocks(input, QUOTE_PAIRS, QUOTE_PLACEHOLDER);
    const inputWithEscapedBlocks = escapeBlocks(inputWithEscapedQuotes.escapedString, CONTENT_PAIRS, BLOCK_PLACEHOLDER);
    let nextBlockIndex = 0;
    let nextQuoteIndex = 0;
    return inputWithEscapedBlocks.escapedString
        .replace(_ruleRe, (...m) => {
        const selector = m[2];
        let content = '';
        let suffix = m[4];
        let contentPrefix = '';
        if (suffix && suffix.startsWith('{' + BLOCK_PLACEHOLDER)) {
            content = inputWithEscapedBlocks.blocks[nextBlockIndex++];
            suffix = suffix.substring(BLOCK_PLACEHOLDER.length + 1);
            contentPrefix = '{';
        }
        const rule = ruleCallback(new CssRule(selector, content));
        return `${m[1]}${rule.selector}${m[3]}${contentPrefix}${rule.content}${suffix}`;
    })
        .replace(_quotedRe, () => inputWithEscapedQuotes.blocks[nextQuoteIndex++]);
}
class StringWithEscapedBlocks {
    constructor(escapedString, blocks) {
        this.escapedString = escapedString;
        this.blocks = blocks;
    }
}
function escapeBlocks(input, charPairs, placeholder) {
    const resultParts = [];
    const escapedBlocks = [];
    let openCharCount = 0;
    let nonBlockStartIndex = 0;
    let blockStartIndex = -1;
    let openChar;
    let closeChar;
    for (let i = 0; i < input.length; i++) {
        const char = input[i];
        if (char === '\\') {
            i++;
        }
        else if (char === closeChar) {
            openCharCount--;
            if (openCharCount === 0) {
                escapedBlocks.push(input.substring(blockStartIndex, i));
                resultParts.push(placeholder);
                nonBlockStartIndex = i;
                blockStartIndex = -1;
                openChar = closeChar = undefined;
            }
        }
        else if (char === openChar) {
            openCharCount++;
        }
        else if (openCharCount === 0 && charPairs.has(char)) {
            openChar = char;
            closeChar = charPairs.get(char);
            openCharCount = 1;
            blockStartIndex = i + 1;
            resultParts.push(input.substring(nonBlockStartIndex, blockStartIndex));
        }
    }
    if (blockStartIndex !== -1) {
        escapedBlocks.push(input.substring(blockStartIndex));
        resultParts.push(placeholder);
    }
    else {
        resultParts.push(input.substring(nonBlockStartIndex));
    }
    return new StringWithEscapedBlocks(resultParts.join(''), escapedBlocks);
}
/**
 * Combine the `contextSelectors` with the `hostMarker` and the `otherSelectors`
 * to create a selector that matches the same as `:host-context()`.
 *
 * Given a single context selector `A` we need to output selectors that match on the host and as an
 * ancestor of the host:
 *
 * ```
 * A <hostMarker>, A<hostMarker> {}
 * ```
 *
 * When there is more than one context selector we also have to create combinations of those
 * selectors with each other. For example if there are `A` and `B` selectors the output is:
 *
 * ```
 * AB<hostMarker>, AB <hostMarker>, A B<hostMarker>,
 * B A<hostMarker>, A B <hostMarker>, B A <hostMarker> {}
 * ```
 *
 * And so on...
 *
 * @param hostMarker the string that selects the host element.
 * @param contextSelectors an array of context selectors that will be combined.
 * @param otherSelectors the rest of the selectors that are not context selectors.
 */
function combineHostContextSelectors(contextSelectors, otherSelectors) {
    const hostMarker = _polyfillHostNoCombinator;
    _polyfillHostRe.lastIndex = 0; // reset the regex to ensure we get an accurate test
    const otherSelectorsHasHost = _polyfillHostRe.test(otherSelectors);
    // If there are no context selectors then just output a host marker
    if (contextSelectors.length === 0) {
        return hostMarker + otherSelectors;
    }
    const combined = [contextSelectors.pop() || ''];
    while (contextSelectors.length > 0) {
        const length = combined.length;
        const contextSelector = contextSelectors.pop();
        for (let i = 0; i < length; i++) {
            const previousSelectors = combined[i];
            // Add the new selector as a descendant of the previous selectors
            combined[length * 2 + i] = previousSelectors + ' ' + contextSelector;
            // Add the new selector as an ancestor of the previous selectors
            combined[length + i] = contextSelector + ' ' + previousSelectors;
            // Add the new selector to act on the same element as the previous selectors
            combined[i] = contextSelector + previousSelectors;
        }
    }
    // Finally connect the selector to the `hostMarker`s: either acting directly on the host
    // (A<hostMarker>) or as an ancestor (A <hostMarker>).
    return combined
        .map(s => otherSelectorsHasHost ?
        `${s}${otherSelectors}` :
        `${s}${hostMarker}${otherSelectors}, ${s} ${hostMarker}${otherSelectors}`)
        .join(',');
}
/**
 * Mutate the given `groups` array so that there are `multiples` clones of the original array
 * stored.
 *
 * For example `repeatGroups([a, b], 3)` will result in `[a, b, a, b, a, b]` - but importantly the
 * newly added groups will be clones of the original.
 *
 * @param groups An array of groups of strings that will be repeated. This array is mutated
 *     in-place.
 * @param multiples The number of times the current groups should appear.
 */
function repeatGroups(groups, multiples) {
    const length = groups.length;
    for (let i = 1; i < multiples; i++) {
        for (let j = 0; j < length; j++) {
            groups[j + (i * length)] = groups[j].slice(0);
        }
    }
}

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
const COMPONENT_VARIABLE = '%COMP%';
const HOST_ATTR = `_nghost-${COMPONENT_VARIABLE}`;
const CONTENT_ATTR = `_ngcontent-${COMPONENT_VARIABLE}`;
class StylesCompileDependency {
    constructor(name, moduleUrl, setValue) {
        this.name = name;
        this.moduleUrl = moduleUrl;
        this.setValue = setValue;
    }
}
class CompiledStylesheet {
    constructor(outputCtx, stylesVar, dependencies, isShimmed, meta) {
        this.outputCtx = outputCtx;
        this.stylesVar = stylesVar;
        this.dependencies = dependencies;
        this.isShimmed = isShimmed;
        this.meta = meta;
    }
}
class StyleCompiler {
    constructor(_urlResolver) {
        this._urlResolver = _urlResolver;
        this._shadowCss = new ShadowCss();
    }
    compileComponent(outputCtx, comp) {
        const template = comp.template;
        return this._compileStyles(outputCtx, comp, new CompileStylesheetMetadata({
            styles: template.styles,
            styleUrls: template.styleUrls,
            moduleUrl: identifierModuleUrl(comp.type)
        }), this.needsStyleShim(comp), true);
    }
    compileStyles(outputCtx, comp, stylesheet, shim = this.needsStyleShim(comp)) {
        return this._compileStyles(outputCtx, comp, stylesheet, shim, false);
    }
    needsStyleShim(comp) {
        return comp.template.encapsulation === ViewEncapsulation.Emulated;
    }
    _compileStyles(outputCtx, comp, stylesheet, shim, isComponentStylesheet) {
        const styleExpressions = stylesheet.styles.map(plainStyle => literal(this._shimIfNeeded(plainStyle, shim)));
        const dependencies = [];
        stylesheet.styleUrls.forEach((styleUrl) => {
            const exprIndex = styleExpressions.length;
            // Note: This placeholder will be filled later.
            styleExpressions.push(null);
            dependencies.push(new StylesCompileDependency(getStylesVarName(null), styleUrl, (value) => styleExpressions[exprIndex] = outputCtx.importExpr(value)));
        });
        // styles variable contains plain strings and arrays of other styles arrays (recursive),
        // so we set its type to dynamic.
        const stylesVar = getStylesVarName(isComponentStylesheet ? comp : null);
        const stmt = variable(stylesVar)
            .set(literalArr(styleExpressions, new ArrayType(DYNAMIC_TYPE, [TypeModifier.Const])))
            .toDeclStmt(null, isComponentStylesheet ? [StmtModifier.Final] : [
            StmtModifier.Final, StmtModifier.Exported
        ]);
        outputCtx.statements.push(stmt);
        return new CompiledStylesheet(outputCtx, stylesVar, dependencies, shim, stylesheet);
    }
    _shimIfNeeded(style, shim) {
        return shim ? this._shadowCss.shimCssText(style, CONTENT_ATTR, HOST_ATTR) : style;
    }
}
function getStylesVarName(component) {
    let result = `styles`;
    if (component) {
        result += `_${identifierName(component.type)}`;
    }
    return result;
}

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
/**
 * A path is an ordered set of elements. Typically a path is to  a
 * particular offset in a source file. The head of the list is the top
 * most node. The tail is the node that contains the offset directly.
 *
 * For example, the expression `a + b + c` might have an ast that looks
 * like:
 *     +
 *    / \
 *   a   +
 *      / \
 *     b   c
 *
 * The path to the node at offset 9 would be `['+' at 1-10, '+' at 7-10,
 * 'c' at 9-10]` and the path the node at offset 1 would be
 * `['+' at 1-10, 'a' at 1-2]`.
 */
class AstPath {
    constructor(path, position = -1) {
        this.path = path;
        this.position = position;
    }
    get empty() {
        return !this.path || !this.path.length;
    }
    get head() {
        return this.path[0];
    }
    get tail() {
        return this.path[this.path.length - 1];
    }
    parentOf(node) {
        return node && this.path[this.path.indexOf(node) - 1];
    }
    childOf(node) {
        return this.path[this.path.indexOf(node) + 1];
    }
    first(ctor) {
        for (let i = this.path.length - 1; i >= 0; i--) {
            let item = this.path[i];
            if (item instanceof ctor)
                return item;
        }
    }
    push(node) {
        this.path.push(node);
    }
    pop() {
        return this.path.pop();
    }
}

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
class NodeWithI18n {
    constructor(sourceSpan, i18n) {
        this.sourceSpan = sourceSpan;
        this.i18n = i18n;
    }
}
class Text$3 extends NodeWithI18n {
    constructor(value, sourceSpan, i18n) {
        super(sourceSpan, i18n);
        this.value = value;
    }
    visit(visitor, context) {
        return visitor.visitText(this, context);
    }
}
class Expansion extends NodeWithI18n {
    constructor(switchValue, type, cases, sourceSpan, switchValueSourceSpan, i18n) {
        super(sourceSpan, i18n);
        this.switchValue = switchValue;
        this.type = type;
        this.cases = cases;
        this.switchValueSourceSpan = switchValueSourceSpan;
    }
    visit(visitor, context) {
        return visitor.visitExpansion(this, context);
    }
}
class ExpansionCase {
    constructor(value, expression, sourceSpan, valueSourceSpan, expSourceSpan) {
        this.value = value;
        this.expression = expression;
        this.sourceSpan = sourceSpan;
        this.valueSourceSpan = valueSourceSpan;
        this.expSourceSpan = expSourceSpan;
    }
    visit(visitor, context) {
        return visitor.visitExpansionCase(this, context);
    }
}
class Attribute extends NodeWithI18n {
    constructor(name, value, sourceSpan, keySpan, valueSpan, i18n) {
        super(sourceSpan, i18n);
        this.name = name;
        this.value = value;
        this.keySpan = keySpan;
        this.valueSpan = valueSpan;
    }
    visit(visitor, context) {
        return visitor.visitAttribute(this, context);
    }
}
class Element$1 extends NodeWithI18n {
    constructor(name, attrs, children, sourceSpan, startSourceSpan, endSourceSpan = null, i18n) {
        super(sourceSpan, i18n);
        this.name = name;
        this.attrs = attrs;
        this.children = children;
        this.startSourceSpan = startSourceSpan;
        this.endSourceSpan = endSourceSpan;
    }
    visit(visitor, context) {
        return visitor.visitElement(this, context);
    }
}
class Comment$1 {
    constructor(value, sourceSpan) {
        this.value = value;
        this.sourceSpan = sourceSpan;
    }
    visit(visitor, context) {
        return visitor.visitComment(this, context);
    }
}
function visitAll$1(visitor, nodes, context = null) {
    const result = [];
    const visit = visitor.visit ?
        (ast) => visitor.visit(ast, context) || ast.visit(visitor, context) :
        (ast) => ast.visit(visitor, context);
    nodes.forEach(ast => {
        const astResult = visit(ast);
        if (astResult) {
            result.push(astResult);
        }
    });
    return result;
}
class RecursiveVisitor$1 {
    constructor() { }
    visitElement(ast, context) {
        this.visitChildren(context, visit => {
            visit(ast.attrs);
            visit(ast.children);
        });
    }
    visitAttribute(ast, context) { }
    visitText(ast, context) { }
    visitComment(ast, context) { }
    visitExpansion(ast, context) {
        return this.visitChildren(context, visit => {
            visit(ast.cases);
        });
    }
    visitExpansionCase(ast, context) { }
    visitChildren(context, cb) {
        let results = [];
        let t = this;
        function visit(children) {
            if (children)
                results.push(visitAll$1(t, children, context));
        }
        cb(visit);
        return Array.prototype.concat.apply([], results);
    }
}
function spanOf(ast) {
    const start = ast.sourceSpan.start.offset;
    let end = ast.sourceSpan.end.offset;
    if (ast instanceof Element$1) {
        if (ast.endSourceSpan) {
            end = ast.endSourceSpan.end.offset;
        }
        else if (ast.children && ast.children.length) {
            end = spanOf(ast.children[ast.children.length - 1]).end;
        }
    }
    return { start, end };
}
function findNode(nodes, position) {
    const path = [];
    const visitor = new class extends RecursiveVisitor$1 {
        visit(ast, context) {
            const span = spanOf(ast);
            if (span.start <= position && position < span.end) {
                path.push(ast);
            }
            else {
                // Returning a value here will result in the children being skipped.
                return true;
            }
        }
    };
    visitAll$1(visitor, nodes);
    return new AstPath(path, position);
}

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
// Mapping between all HTML entity names and their unicode representation.
// Generated from https://html.spec.whatwg.org/multipage/entities.json by stripping
// the `&` and `;` from the keys and removing the duplicates.
// see https://www.w3.org/TR/html51/syntax.html#named-character-references
const NAMED_ENTITIES = {
    'AElig': '\u00C6',
    'AMP': '\u0026',
    'amp': '\u0026',
    'Aacute': '\u00C1',
    'Abreve': '\u0102',
    'Acirc': '\u00C2',
    'Acy': '\u0410',
    'Afr': '\uD835\uDD04',
    'Agrave': '\u00C0',
    'Alpha': '\u0391',
    'Amacr': '\u0100',
    'And': '\u2A53',
    'Aogon': '\u0104',
    'Aopf': '\uD835\uDD38',
    'ApplyFunction': '\u2061',
    'af': '\u2061',
    'Aring': '\u00C5',
    'angst': '\u00C5',
    'Ascr': '\uD835\uDC9C',
    'Assign': '\u2254',
    'colone': '\u2254',
    'coloneq': '\u2254',
    'Atilde': '\u00C3',
    'Auml': '\u00C4',
    'Backslash': '\u2216',
    'setminus': '\u2216',
    'setmn': '\u2216',
    'smallsetminus': '\u2216',
    'ssetmn': '\u2216',
    'Barv': '\u2AE7',
    'Barwed': '\u2306',
    'doublebarwedge': '\u2306',
    'Bcy': '\u0411',
    'Because': '\u2235',
    'becaus': '\u2235',
    'because': '\u2235',
    'Bernoullis': '\u212C',
    'Bscr': '\u212C',
    'bernou': '\u212C',
    'Beta': '\u0392',
    'Bfr': '\uD835\uDD05',
    'Bopf': '\uD835\uDD39',
    'Breve': '\u02D8',
    'breve': '\u02D8',
    'Bumpeq': '\u224E',
    'HumpDownHump': '\u224E',
    'bump': '\u224E',
    'CHcy': '\u0427',
    'COPY': '\u00A9',
    'copy': '\u00A9',
    'Cacute': '\u0106',
    'Cap': '\u22D2',
    'CapitalDifferentialD': '\u2145',
    'DD': '\u2145',
    'Cayleys': '\u212D',
    'Cfr': '\u212D',
    'Ccaron': '\u010C',
    'Ccedil': '\u00C7',
    'Ccirc': '\u0108',
    'Cconint': '\u2230',
    'Cdot': '\u010A',
    'Cedilla': '\u00B8',
    'cedil': '\u00B8',
    'CenterDot': '\u00B7',
    'centerdot': '\u00B7',
    'middot': '\u00B7',
    'Chi': '\u03A7',
    'CircleDot': '\u2299',
    'odot': '\u2299',
    'CircleMinus': '\u2296',
    'ominus': '\u2296',
    'CirclePlus': '\u2295',
    'oplus': '\u2295',
    'CircleTimes': '\u2297',
    'otimes': '\u2297',
    'ClockwiseContourIntegral': '\u2232',
    'cwconint': '\u2232',
    'CloseCurlyDoubleQuote': '\u201D',
    'rdquo': '\u201D',
    'rdquor': '\u201D',
    'CloseCurlyQuote': '\u2019',
    'rsquo': '\u2019',
    'rsquor': '\u2019',
    'Colon': '\u2237',
    'Proportion': '\u2237',
    'Colone': '\u2A74',
    'Congruent': '\u2261',
    'equiv': '\u2261',
    'Conint': '\u222F',
    'DoubleContourIntegral': '\u222F',
    'ContourIntegral': '\u222E',
    'conint': '\u222E',
    'oint': '\u222E',
    'Copf': '\u2102',
    'complexes': '\u2102',
    'Coproduct': '\u2210',
    'coprod': '\u2210',
    'CounterClockwiseContourIntegral': '\u2233',
    'awconint': '\u2233',
    'Cross': '\u2A2F',
    'Cscr': '\uD835\uDC9E',
    'Cup': '\u22D3',
    'CupCap': '\u224D',
    'asympeq': '\u224D',
    'DDotrahd': '\u2911',
    'DJcy': '\u0402',
    'DScy': '\u0405',
    'DZcy': '\u040F',
    'Dagger': '\u2021',
    'ddagger': '\u2021',
    'Darr': '\u21A1',
    'Dashv': '\u2AE4',
    'DoubleLeftTee': '\u2AE4',
    'Dcaron': '\u010E',
    'Dcy': '\u0414',
    'Del': '\u2207',
    'nabla': '\u2207',
    'Delta': '\u0394',
    'Dfr': '\uD835\uDD07',
    'DiacriticalAcute': '\u00B4',
    'acute': '\u00B4',
    'DiacriticalDot': '\u02D9',
    'dot': '\u02D9',
    'DiacriticalDoubleAcute': '\u02DD',
    'dblac': '\u02DD',
    'DiacriticalGrave': '\u0060',
    'grave': '\u0060',
    'DiacriticalTilde': '\u02DC',
    'tilde': '\u02DC',
    'Diamond': '\u22C4',
    'diam': '\u22C4',
    'diamond': '\u22C4',
    'DifferentialD': '\u2146',
    'dd': '\u2146',
    'Dopf': '\uD835\uDD3B',
    'Dot': '\u00A8',
    'DoubleDot': '\u00A8',
    'die': '\u00A8',
    'uml': '\u00A8',
    'DotDot': '\u20DC',
    'DotEqual': '\u2250',
    'doteq': '\u2250',
    'esdot': '\u2250',
    'DoubleDownArrow': '\u21D3',
    'Downarrow': '\u21D3',
    'dArr': '\u21D3',
    'DoubleLeftArrow': '\u21D0',
    'Leftarrow': '\u21D0',
    'lArr': '\u21D0',
    'DoubleLeftRightArrow': '\u21D4',
    'Leftrightarrow': '\u21D4',
    'hArr': '\u21D4',
    'iff': '\u21D4',
    'DoubleLongLeftArrow': '\u27F8',
    'Longleftarrow': '\u27F8',
    'xlArr': '\u27F8',
    'DoubleLongLeftRightArrow': '\u27FA',
    'Longleftrightarrow': '\u27FA',
    'xhArr': '\u27FA',
    'DoubleLongRightArrow': '\u27F9',
    'Longrightarrow': '\u27F9',
    'xrArr': '\u27F9',
    'DoubleRightArrow': '\u21D2',
    'Implies': '\u21D2',
    'Rightarrow': '\u21D2',
    'rArr': '\u21D2',
    'DoubleRightTee': '\u22A8',
    'vDash': '\u22A8',
    'DoubleUpArrow': '\u21D1',
    'Uparrow': '\u21D1',
    'uArr': '\u21D1',
    'DoubleUpDownArrow': '\u21D5',
    'Updownarrow': '\u21D5',
    'vArr': '\u21D5',
    'DoubleVerticalBar': '\u2225',
    'par': '\u2225',
    'parallel': '\u2225',
    'shortparallel': '\u2225',
    'spar': '\u2225',
    'DownArrow': '\u2193',
    'ShortDownArrow': '\u2193',
    'darr': '\u2193',
    'downarrow': '\u2193',
    'DownArrowBar': '\u2913',
    'DownArrowUpArrow': '\u21F5',
    'duarr': '\u21F5',
    'DownBreve': '\u0311',
    'DownLeftRightVector': '\u2950',
    'DownLeftTeeVector': '\u295E',
    'DownLeftVector': '\u21BD',
    'leftharpoondown': '\u21BD',
    'lhard': '\u21BD',
    'DownLeftVectorBar': '\u2956',
    'DownRightTeeVector': '\u295F',
    'DownRightVector': '\u21C1',
    'rhard': '\u21C1',
    'rightharpoondown': '\u21C1',
    'DownRightVectorBar': '\u2957',
    'DownTee': '\u22A4',
    'top': '\u22A4',
    'DownTeeArrow': '\u21A7',
    'mapstodown': '\u21A7',
    'Dscr': '\uD835\uDC9F',
    'Dstrok': '\u0110',
    'ENG': '\u014A',
    'ETH': '\u00D0',
    'Eacute': '\u00C9',
    'Ecaron': '\u011A',
    'Ecirc': '\u00CA',
    'Ecy': '\u042D',
    'Edot': '\u0116',
    'Efr': '\uD835\uDD08',
    'Egrave': '\u00C8',
    'Element': '\u2208',
    'in': '\u2208',
    'isin': '\u2208',
    'isinv': '\u2208',
    'Emacr': '\u0112',
    'EmptySmallSquare': '\u25FB',
    'EmptyVerySmallSquare': '\u25AB',
    'Eogon': '\u0118',
    'Eopf': '\uD835\uDD3C',
    'Epsilon': '\u0395',
    'Equal': '\u2A75',
    'EqualTilde': '\u2242',
    'eqsim': '\u2242',
    'esim': '\u2242',
    'Equilibrium': '\u21CC',
    'rightleftharpoons': '\u21CC',
    'rlhar': '\u21CC',
    'Escr': '\u2130',
    'expectation': '\u2130',
    'Esim': '\u2A73',
    'Eta': '\u0397',
    'Euml': '\u00CB',
    'Exists': '\u2203',
    'exist': '\u2203',
    'ExponentialE': '\u2147',
    'ee': '\u2147',
    'exponentiale': '\u2147',
    'Fcy': '\u0424',
    'Ffr': '\uD835\uDD09',
    'FilledSmallSquare': '\u25FC',
    'FilledVerySmallSquare': '\u25AA',
    'blacksquare': '\u25AA',
    'squarf': '\u25AA',
    'squf': '\u25AA',
    'Fopf': '\uD835\uDD3D',
    'ForAll': '\u2200',
    'forall': '\u2200',
    'Fouriertrf': '\u2131',
    'Fscr': '\u2131',
    'GJcy': '\u0403',
    'GT': '\u003E',
    'gt': '\u003E',
    'Gamma': '\u0393',
    'Gammad': '\u03DC',
    'Gbreve': '\u011E',
    'Gcedil': '\u0122',
    'Gcirc': '\u011C',
    'Gcy': '\u0413',
    'Gdot': '\u0120',
    'Gfr': '\uD835\uDD0A',
    'Gg': '\u22D9',
    'ggg': '\u22D9',
    'Gopf': '\uD835\uDD3E',
    'GreaterEqual': '\u2265',
    'ge': '\u2265',
    'geq': '\u2265',
    'GreaterEqualLess': '\u22DB',
    'gel': '\u22DB',
    'gtreqless': '\u22DB',
    'GreaterFullEqual': '\u2267',
    'gE': '\u2267',
    'geqq': '\u2267',
    'GreaterGreater': '\u2AA2',
    'GreaterLess': '\u2277',
    'gl': '\u2277',
    'gtrless': '\u2277',
    'GreaterSlantEqual': '\u2A7E',
    'geqslant': '\u2A7E',
    'ges': '\u2A7E',
    'GreaterTilde': '\u2273',
    'gsim': '\u2273',
    'gtrsim': '\u2273',
    'Gscr': '\uD835\uDCA2',
    'Gt': '\u226B',
    'NestedGreaterGreater': '\u226B',
    'gg': '\u226B',
    'HARDcy': '\u042A',
    'Hacek': '\u02C7',
    'caron': '\u02C7',
    'Hat': '\u005E',
    'Hcirc': '\u0124',
    'Hfr': '\u210C',
    'Poincareplane': '\u210C',
    'HilbertSpace': '\u210B',
    'Hscr': '\u210B',
    'hamilt': '\u210B',
    'Hopf': '\u210D',
    'quaternions': '\u210D',
    'HorizontalLine': '\u2500',
    'boxh': '\u2500',
    'Hstrok': '\u0126',
    'HumpEqual': '\u224F',
    'bumpe': '\u224F',
    'bumpeq': '\u224F',
    'IEcy': '\u0415',
    'IJlig': '\u0132',
    'IOcy': '\u0401',
    'Iacute': '\u00CD',
    'Icirc': '\u00CE',
    'Icy': '\u0418',
    'Idot': '\u0130',
    'Ifr': '\u2111',
    'Im': '\u2111',
    'image': '\u2111',
    'imagpart': '\u2111',
    'Igrave': '\u00CC',
    'Imacr': '\u012A',
    'ImaginaryI': '\u2148',
    'ii': '\u2148',
    'Int': '\u222C',
    'Integral': '\u222B',
    'int': '\u222B',
    'Intersection': '\u22C2',
    'bigcap': '\u22C2',
    'xcap': '\u22C2',
    'InvisibleComma': '\u2063',
    'ic': '\u2063',
    'InvisibleTimes': '\u2062',
    'it': '\u2062',
    'Iogon': '\u012E',
    'Iopf': '\uD835\uDD40',
    'Iota': '\u0399',
    'Iscr': '\u2110',
    'imagline': '\u2110',
    'Itilde': '\u0128',
    'Iukcy': '\u0406',
    'Iuml': '\u00CF',
    'Jcirc': '\u0134',
    'Jcy': '\u0419',
    'Jfr': '\uD835\uDD0D',
    'Jopf': '\uD835\uDD41',
    'Jscr': '\uD835\uDCA5',
    'Jsercy': '\u0408',
    'Jukcy': '\u0404',
    'KHcy': '\u0425',
    'KJcy': '\u040C',
    'Kappa': '\u039A',
    'Kcedil': '\u0136',
    'Kcy': '\u041A',
    'Kfr': '\uD835\uDD0E',
    'Kopf': '\uD835\uDD42',
    'Kscr': '\uD835\uDCA6',
    'LJcy': '\u0409',
    'LT': '\u003C',
    'lt': '\u003C',
    'Lacute': '\u0139',
    'Lambda': '\u039B',
    'Lang': '\u27EA',
    'Laplacetrf': '\u2112',
    'Lscr': '\u2112',
    'lagran': '\u2112',
    'Larr': '\u219E',
    'twoheadleftarrow': '\u219E',
    'Lcaron': '\u013D',
    'Lcedil': '\u013B',
    'Lcy': '\u041B',
    'LeftAngleBracket': '\u27E8',
    'lang': '\u27E8',
    'langle': '\u27E8',
    'LeftArrow': '\u2190',
    'ShortLeftArrow': '\u2190',
    'larr': '\u2190',
    'leftarrow': '\u2190',
    'slarr': '\u2190',
    'LeftArrowBar': '\u21E4',
    'larrb': '\u21E4',
    'LeftArrowRightArrow': '\u21C6',
    'leftrightarrows': '\u21C6',
    'lrarr': '\u21C6',
    'LeftCeiling': '\u2308',
    'lceil': '\u2308',
    'LeftDoubleBracket': '\u27E6',
    'lobrk': '\u27E6',
    'LeftDownTeeVector': '\u2961',
    'LeftDownVector': '\u21C3',
    'dharl': '\u21C3',
    'downharpoonleft': '\u21C3',
    'LeftDownVectorBar': '\u2959',
    'LeftFloor': '\u230A',
    'lfloor': '\u230A',
    'LeftRightArrow': '\u2194',
    'harr': '\u2194',
    'leftrightarrow': '\u2194',
    'LeftRightVector': '\u294E',
    'LeftTee': '\u22A3',
    'dashv': '\u22A3',
    'LeftTeeArrow': '\u21A4',
    'mapstoleft': '\u21A4',
    'LeftTeeVector': '\u295A',
    'LeftTriangle': '\u22B2',
    'vartriangleleft': '\u22B2',
    'vltri': '\u22B2',
    'LeftTriangleBar': '\u29CF',
    'LeftTriangleEqual': '\u22B4',
    'ltrie': '\u22B4',
    'trianglelefteq': '\u22B4',
    'LeftUpDownVector': '\u2951',
    'LeftUpTeeVector': '\u2960',
    'LeftUpVector': '\u21BF',
    'uharl': '\u21BF',
    'upharpoonleft': '\u21BF',
    'LeftUpVectorBar': '\u2958',
    'LeftVector': '\u21BC',
    'leftharpoonup': '\u21BC',
    'lharu': '\u21BC',
    'LeftVectorBar': '\u2952',
    'LessEqualGreater': '\u22DA',
    'leg': '\u22DA',
    'lesseqgtr': '\u22DA',
    'LessFullEqual': '\u2266',
    'lE': '\u2266',
    'leqq': '\u2266',
    'LessGreater': '\u2276',
    'lessgtr': '\u2276',
    'lg': '\u2276',
    'LessLess': '\u2AA1',
    'LessSlantEqual': '\u2A7D',
    'leqslant': '\u2A7D',
    'les': '\u2A7D',
    'LessTilde': '\u2272',
    'lesssim': '\u2272',
    'lsim': '\u2272',
    'Lfr': '\uD835\uDD0F',
    'Ll': '\u22D8',
    'Lleftarrow': '\u21DA',
    'lAarr': '\u21DA',
    'Lmidot': '\u013F',
    'LongLeftArrow': '\u27F5',
    'longleftarrow': '\u27F5',
    'xlarr': '\u27F5',
    'LongLeftRightArrow': '\u27F7',
    'longleftrightarrow': '\u27F7',
    'xharr': '\u27F7',
    'LongRightArrow': '\u27F6',
    'longrightarrow': '\u27F6',
    'xrarr': '\u27F6',
    'Lopf': '\uD835\uDD43',
    'LowerLeftArrow': '\u2199',
    'swarr': '\u2199',
    'swarrow': '\u2199',
    'LowerRightArrow': '\u2198',
    'searr': '\u2198',
    'searrow': '\u2198',
    'Lsh': '\u21B0',
    'lsh': '\u21B0',
    'Lstrok': '\u0141',
    'Lt': '\u226A',
    'NestedLessLess': '\u226A',
    'll': '\u226A',
    'Map': '\u2905',
    'Mcy': '\u041C',
    'MediumSpace': '\u205F',
    'Mellintrf': '\u2133',
    'Mscr': '\u2133',
    'phmmat': '\u2133',
    'Mfr': '\uD835\uDD10',
    'MinusPlus': '\u2213',
    'mnplus': '\u2213',
    'mp': '\u2213',
    'Mopf': '\uD835\uDD44',
    'Mu': '\u039C',
    'NJcy': '\u040A',
    'Nacute': '\u0143',
    'Ncaron': '\u0147',
    'Ncedil': '\u0145',
    'Ncy': '\u041D',
    'NegativeMediumSpace': '\u200B',
    'NegativeThickSpace': '\u200B',
    'NegativeThinSpace': '\u200B',
    'NegativeVeryThinSpace': '\u200B',
    'ZeroWidthSpace': '\u200B',
    'NewLine': '\u000A',
    'Nfr': '\uD835\uDD11',
    'NoBreak': '\u2060',
    'NonBreakingSpace': '\u00A0',
    'nbsp': '\u00A0',
    'Nopf': '\u2115',
    'naturals': '\u2115',
    'Not': '\u2AEC',
    'NotCongruent': '\u2262',
    'nequiv': '\u2262',
    'NotCupCap': '\u226D',
    'NotDoubleVerticalBar': '\u2226',
    'npar': '\u2226',
    'nparallel': '\u2226',
    'nshortparallel': '\u2226',
    'nspar': '\u2226',
    'NotElement': '\u2209',
    'notin': '\u2209',
    'notinva': '\u2209',
    'NotEqual': '\u2260',
    'ne': '\u2260',
    'NotEqualTilde': '\u2242\u0338',
    'nesim': '\u2242\u0338',
    'NotExists': '\u2204',
    'nexist': '\u2204',
    'nexists': '\u2204',
    'NotGreater': '\u226F',
    'ngt': '\u226F',
    'ngtr': '\u226F',
    'NotGreaterEqual': '\u2271',
    'nge': '\u2271',
    'ngeq': '\u2271',
    'NotGreaterFullEqual': '\u2267\u0338',
    'ngE': '\u2267\u0338',
    'ngeqq': '\u2267\u0338',
    'NotGreaterGreater': '\u226B\u0338',
    'nGtv': '\u226B\u0338',
    'NotGreaterLess': '\u2279',
    'ntgl': '\u2279',
    'NotGreaterSlantEqual': '\u2A7E\u0338',
    'ngeqslant': '\u2A7E\u0338',
    'nges': '\u2A7E\u0338',
    'NotGreaterTilde': '\u2275',
    'ngsim': '\u2275',
    'NotHumpDownHump': '\u224E\u0338',
    'nbump': '\u224E\u0338',
    'NotHumpEqual': '\u224F\u0338',
    'nbumpe': '\u224F\u0338',
    'NotLeftTriangle': '\u22EA',
    'nltri': '\u22EA',
    'ntriangleleft': '\u22EA',
    'NotLeftTriangleBar': '\u29CF\u0338',
    'NotLeftTriangleEqual': '\u22EC',
    'nltrie': '\u22EC',
    'ntrianglelefteq': '\u22EC',
    'NotLess': '\u226E',
    'nless': '\u226E',
    'nlt': '\u226E',
    'NotLessEqual': '\u2270',
    'nle': '\u2270',
    'nleq': '\u2270',
    'NotLessGreater': '\u2278',
    'ntlg': '\u2278',
    'NotLessLess': '\u226A\u0338',
    'nLtv': '\u226A\u0338',
    'NotLessSlantEqual': '\u2A7D\u0338',
    'nleqslant': '\u2A7D\u0338',
    'nles': '\u2A7D\u0338',
    'NotLessTilde': '\u2274',
    'nlsim': '\u2274',
    'NotNestedGreaterGreater': '\u2AA2\u0338',
    'NotNestedLessLess': '\u2AA1\u0338',
    'NotPrecedes': '\u2280',
    'npr': '\u2280',
    'nprec': '\u2280',
    'NotPrecedesEqual': '\u2AAF\u0338',
    'npre': '\u2AAF\u0338',
    'npreceq': '\u2AAF\u0338',
    'NotPrecedesSlantEqual': '\u22E0',
    'nprcue': '\u22E0',
    'NotReverseElement': '\u220C',
    'notni': '\u220C',
    'notniva': '\u220C',
    'NotRightTriangle': '\u22EB',
    'nrtri': '\u22EB',
    'ntriangleright': '\u22EB',
    'NotRightTriangleBar': '\u29D0\u0338',
    'NotRightTriangleEqual': '\u22ED',
    'nrtrie': '\u22ED',
    'ntrianglerighteq': '\u22ED',
    'NotSquareSubset': '\u228F\u0338',
    'NotSquareSubsetEqual': '\u22E2',
    'nsqsube': '\u22E2',
    'NotSquareSuperset': '\u2290\u0338',
    'NotSquareSupersetEqual': '\u22E3',
    'nsqsupe': '\u22E3',
    'NotSubset': '\u2282\u20D2',
    'nsubset': '\u2282\u20D2',
    'vnsub': '\u2282\u20D2',
    'NotSubsetEqual': '\u2288',
    'nsube': '\u2288',
    'nsubseteq': '\u2288',
    'NotSucceeds': '\u2281',
    'nsc': '\u2281',
    'nsucc': '\u2281',
    'NotSucceedsEqual': '\u2AB0\u0338',
    'nsce': '\u2AB0\u0338',
    'nsucceq': '\u2AB0\u0338',
    'NotSucceedsSlantEqual': '\u22E1',
    'nsccue': '\u22E1',
    'NotSucceedsTilde': '\u227F\u0338',
    'NotSuperset': '\u2283\u20D2',
    'nsupset': '\u2283\u20D2',
    'vnsup': '\u2283\u20D2',
    'NotSupersetEqual': '\u2289',
    'nsupe': '\u2289',
    'nsupseteq': '\u2289',
    'NotTilde': '\u2241',
    'nsim': '\u2241',
    'NotTildeEqual': '\u2244',
    'nsime': '\u2244',
    'nsimeq': '\u2244',
    'NotTildeFullEqual': '\u2247',
    'ncong': '\u2247',
    'NotTildeTilde': '\u2249',
    'nap': '\u2249',
    'napprox': '\u2249',
    'NotVerticalBar': '\u2224',
    'nmid': '\u2224',
    'nshortmid': '\u2224',
    'nsmid': '\u2224',
    'Nscr': '\uD835\uDCA9',
    'Ntilde': '\u00D1',
    'Nu': '\u039D',
    'OElig': '\u0152',
    'Oacute': '\u00D3',
    'Ocirc': '\u00D4',
    'Ocy': '\u041E',
    'Odblac': '\u0150',
    'Ofr': '\uD835\uDD12',
    'Ograve': '\u00D2',
    'Omacr': '\u014C',
    'Omega': '\u03A9',
    'ohm': '\u03A9',
    'Omicron': '\u039F',
    'Oopf': '\uD835\uDD46',
    'OpenCurlyDoubleQuote': '\u201C',
    'ldquo': '\u201C',
    'OpenCurlyQuote': '\u2018',
    'lsquo': '\u2018',
    'Or': '\u2A54',
    'Oscr': '\uD835\uDCAA',
    'Oslash': '\u00D8',
    'Otilde': '\u00D5',
    'Otimes': '\u2A37',
    'Ouml': '\u00D6',
    'OverBar': '\u203E',
    'oline': '\u203E',
    'OverBrace': '\u23DE',
    'OverBracket': '\u23B4',
    'tbrk': '\u23B4',
    'OverParenthesis': '\u23DC',
    'PartialD': '\u2202',
    'part': '\u2202',
    'Pcy': '\u041F',
    'Pfr': '\uD835\uDD13',
    'Phi': '\u03A6',
    'Pi': '\u03A0',
    'PlusMinus': '\u00B1',
    'plusmn': '\u00B1',
    'pm': '\u00B1',
    'Popf': '\u2119',
    'primes': '\u2119',
    'Pr': '\u2ABB',
    'Precedes': '\u227A',
    'pr': '\u227A',
    'prec': '\u227A',
    'PrecedesEqual': '\u2AAF',
    'pre': '\u2AAF',
    'preceq': '\u2AAF',
    'PrecedesSlantEqual': '\u227C',
    'prcue': '\u227C',
    'preccurlyeq': '\u227C',
    'PrecedesTilde': '\u227E',
    'precsim': '\u227E',
    'prsim': '\u227E',
    'Prime': '\u2033',
    'Product': '\u220F',
    'prod': '\u220F',
    'Proportional': '\u221D',
    'prop': '\u221D',
    'propto': '\u221D',
    'varpropto': '\u221D',
    'vprop': '\u221D',
    'Pscr': '\uD835\uDCAB',
    'Psi': '\u03A8',
    'QUOT': '\u0022',
    'quot': '\u0022',
    'Qfr': '\uD835\uDD14',
    'Qopf': '\u211A',
    'rationals': '\u211A',
    'Qscr': '\uD835\uDCAC',
    'RBarr': '\u2910',
    'drbkarow': '\u2910',
    'REG': '\u00AE',
    'circledR': '\u00AE',
    'reg': '\u00AE',
    'Racute': '\u0154',
    'Rang': '\u27EB',
    'Rarr': '\u21A0',
    'twoheadrightarrow': '\u21A0',
    'Rarrtl': '\u2916',
    'Rcaron': '\u0158',
    'Rcedil': '\u0156',
    'Rcy': '\u0420',
    'Re': '\u211C',
    'Rfr': '\u211C',
    'real': '\u211C',
    'realpart': '\u211C',
    'ReverseElement': '\u220B',
    'SuchThat': '\u220B',
    'ni': '\u220B',
    'niv': '\u220B',
    'ReverseEquilibrium': '\u21CB',
    'leftrightharpoons': '\u21CB',
    'lrhar': '\u21CB',
    'ReverseUpEquilibrium': '\u296F',
    'duhar': '\u296F',
    'Rho': '\u03A1',
    'RightAngleBracket': '\u27E9',
    'rang': '\u27E9',
    'rangle': '\u27E9',
    'RightArrow': '\u2192',
    'ShortRightArrow': '\u2192',
    'rarr': '\u2192',
    'rightarrow': '\u2192',
    'srarr': '\u2192',
    'RightArrowBar': '\u21E5',
    'rarrb': '\u21E5',
    'RightArrowLeftArrow': '\u21C4',
    'rightleftarrows': '\u21C4',
    'rlarr': '\u21C4',
    'RightCeiling': '\u2309',
    'rceil': '\u2309',
    'RightDoubleBracket': '\u27E7',
    'robrk': '\u27E7',
    'RightDownTeeVector': '\u295D',
    'RightDownVector': '\u21C2',
    'dharr': '\u21C2',
    'downharpoonright': '\u21C2',
    'RightDownVectorBar': '\u2955',
    'RightFloor': '\u230B',
    'rfloor': '\u230B',
    'RightTee': '\u22A2',
    'vdash': '\u22A2',
    'RightTeeArrow': '\u21A6',
    'map': '\u21A6',
    'mapsto': '\u21A6',
    'RightTeeVector': '\u295B',
    'RightTriangle': '\u22B3',
    'vartriangleright': '\u22B3',
    'vrtri': '\u22B3',
    'RightTriangleBar': '\u29D0',
    'RightTriangleEqual': '\u22B5',
    'rtrie': '\u22B5',
    'trianglerighteq': '\u22B5',
    'RightUpDownVector': '\u294F',
    'RightUpTeeVector': '\u295C',
    'RightUpVector': '\u21BE',
    'uharr': '\u21BE',
    'upharpoonright': '\u21BE',
    'RightUpVectorBar': '\u2954',
    'RightVector': '\u21C0',
    'rharu': '\u21C0',
    'rightharpoonup': '\u21C0',
    'RightVectorBar': '\u2953',
    'Ropf': '\u211D',
    'reals': '\u211D',
    'RoundImplies': '\u2970',
    'Rrightarrow': '\u21DB',
    'rAarr': '\u21DB',
    'Rscr': '\u211B',
    'realine': '\u211B',
    'Rsh': '\u21B1',
    'rsh': '\u21B1',
    'RuleDelayed': '\u29F4',
    'SHCHcy': '\u0429',
    'SHcy': '\u0428',
    'SOFTcy': '\u042C',
    'Sacute': '\u015A',
    'Sc': '\u2ABC',
    'Scaron': '\u0160',
    'Scedil': '\u015E',
    'Scirc': '\u015C',
    'Scy': '\u0421',
    'Sfr': '\uD835\uDD16',
    'ShortUpArrow': '\u2191',
    'UpArrow': '\u2191',
    'uarr': '\u2191',
    'uparrow': '\u2191',
    'Sigma': '\u03A3',
    'SmallCircle': '\u2218',
    'compfn': '\u2218',
    'Sopf': '\uD835\uDD4A',
    'Sqrt': '\u221A',
    'radic': '\u221A',
    'Square': '\u25A1',
    'squ': '\u25A1',
    'square': '\u25A1',
    'SquareIntersection': '\u2293',
    'sqcap': '\u2293',
    'SquareSubset': '\u228F',
    'sqsub': '\u228F',
    'sqsubset': '\u228F',
    'SquareSubsetEqual': '\u2291',
    'sqsube': '\u2291',
    'sqsubseteq': '\u2291',
    'SquareSuperset': '\u2290',
    'sqsup': '\u2290',
    'sqsupset': '\u2290',
    'SquareSupersetEqual': '\u2292',
    'sqsupe': '\u2292',
    'sqsupseteq': '\u2292',
    'SquareUnion': '\u2294',
    'sqcup': '\u2294',
    'Sscr': '\uD835\uDCAE',
    'Star': '\u22C6',
    'sstarf': '\u22C6',
    'Sub': '\u22D0',
    'Subset': '\u22D0',
    'SubsetEqual': '\u2286',
    'sube': '\u2286',
    'subseteq': '\u2286',
    'Succeeds': '\u227B',
    'sc': '\u227B',
    'succ': '\u227B',
    'SucceedsEqual': '\u2AB0',
    'sce': '\u2AB0',
    'succeq': '\u2AB0',
    'SucceedsSlantEqual': '\u227D',
    'sccue': '\u227D',
    'succcurlyeq': '\u227D',
    'SucceedsTilde': '\u227F',
    'scsim': '\u227F',
    'succsim': '\u227F',
    'Sum': '\u2211',
    'sum': '\u2211',
    'Sup': '\u22D1',
    'Supset': '\u22D1',
    'Superset': '\u2283',
    'sup': '\u2283',
    'supset': '\u2283',
    'SupersetEqual': '\u2287',
    'supe': '\u2287',
    'supseteq': '\u2287',
    'THORN': '\u00DE',
    'TRADE': '\u2122',
    'trade': '\u2122',
    'TSHcy': '\u040B',
    'TScy': '\u0426',
    'Tab': '\u0009',
    'Tau': '\u03A4',
    'Tcaron': '\u0164',
    'Tcedil': '\u0162',
    'Tcy': '\u0422',
    'Tfr': '\uD835\uDD17',
    'Therefore': '\u2234',
    'there4': '\u2234',
    'therefore': '\u2234',
    'Theta': '\u0398',
    'ThickSpace': '\u205F\u200A',
    'ThinSpace': '\u2009',
    'thinsp': '\u2009',
    'Tilde': '\u223C',
    'sim': '\u223C',
    'thicksim': '\u223C',
    'thksim': '\u223C',
    'TildeEqual': '\u2243',
    'sime': '\u2243',
    'simeq': '\u2243',
    'TildeFullEqual': '\u2245',
    'cong': '\u2245',
    'TildeTilde': '\u2248',
    'ap': '\u2248',
    'approx': '\u2248',
    'asymp': '\u2248',
    'thickapprox': '\u2248',
    'thkap': '\u2248',
    'Topf': '\uD835\uDD4B',
    'TripleDot': '\u20DB',
    'tdot': '\u20DB',
    'Tscr': '\uD835\uDCAF',
    'Tstrok': '\u0166',
    'Uacute': '\u00DA',
    'Uarr': '\u219F',
    'Uarrocir': '\u2949',
    'Ubrcy': '\u040E',
    'Ubreve': '\u016C',
    'Ucirc': '\u00DB',
    'Ucy': '\u0423',
    'Udblac': '\u0170',
    'Ufr': '\uD835\uDD18',
    'Ugrave': '\u00D9',
    'Umacr': '\u016A',
    'UnderBar': '\u005F',
    'lowbar': '\u005F',
    'UnderBrace': '\u23DF',
    'UnderBracket': '\u23B5',
    'bbrk': '\u23B5',
    'UnderParenthesis': '\u23DD',
    'Union': '\u22C3',
    'bigcup': '\u22C3',
    'xcup': '\u22C3',
    'UnionPlus': '\u228E',
    'uplus': '\u228E',
    'Uogon': '\u0172',
    'Uopf': '\uD835\uDD4C',
    'UpArrowBar': '\u2912',
    'UpArrowDownArrow': '\u21C5',
    'udarr': '\u21C5',
    'UpDownArrow': '\u2195',
    'updownarrow': '\u2195',
    'varr': '\u2195',
    'UpEquilibrium': '\u296E',
    'udhar': '\u296E',
    'UpTee': '\u22A5',
    'bot': '\u22A5',
    'bottom': '\u22A5',
    'perp': '\u22A5',
    'UpTeeArrow': '\u21A5',
    'mapstoup': '\u21A5',
    'UpperLeftArrow': '\u2196',
    'nwarr': '\u2196',
    'nwarrow': '\u2196',
    'UpperRightArrow': '\u2197',
    'nearr': '\u2197',
    'nearrow': '\u2197',
    'Upsi': '\u03D2',
    'upsih': '\u03D2',
    'Upsilon': '\u03A5',
    'Uring': '\u016E',
    'Uscr': '\uD835\uDCB0',
    'Utilde': '\u0168',
    'Uuml': '\u00DC',
    'VDash': '\u22AB',
    'Vbar': '\u2AEB',
    'Vcy': '\u0412',
    'Vdash': '\u22A9',
    'Vdashl': '\u2AE6',
    'Vee': '\u22C1',
    'bigvee': '\u22C1',
    'xvee': '\u22C1',
    'Verbar': '\u2016',
    'Vert': '\u2016',
    'VerticalBar': '\u2223',
    'mid': '\u2223',
    'shortmid': '\u2223',
    'smid': '\u2223',
    'VerticalLine': '\u007C',
    'verbar': '\u007C',
    'vert': '\u007C',
    'VerticalSeparator': '\u2758',
    'VerticalTilde': '\u2240',
    'wr': '\u2240',
    'wreath': '\u2240',
    'VeryThinSpace': '\u200A',
    'hairsp': '\u200A',
    'Vfr': '\uD835\uDD19',
    'Vopf': '\uD835\uDD4D',
    'Vscr': '\uD835\uDCB1',
    'Vvdash': '\u22AA',
    'Wcirc': '\u0174',
    'Wedge': '\u22C0',
    'bigwedge': '\u22C0',
    'xwedge': '\u22C0',
    'Wfr': '\uD835\uDD1A',
    'Wopf': '\uD835\uDD4E',
    'Wscr': '\uD835\uDCB2',
    'Xfr': '\uD835\uDD1B',
    'Xi': '\u039E',
    'Xopf': '\uD835\uDD4F',
    'Xscr': '\uD835\uDCB3',
    'YAcy': '\u042F',
    'YIcy': '\u0407',
    'YUcy': '\u042E',
    'Yacute': '\u00DD',
    'Ycirc': '\u0176',
    'Ycy': '\u042B',
    'Yfr': '\uD835\uDD1C',
    'Yopf': '\uD835\uDD50',
    'Yscr': '\uD835\uDCB4',
    'Yuml': '\u0178',
    'ZHcy': '\u0416',
    'Zacute': '\u0179',
    'Zcaron': '\u017D',
    'Zcy': '\u0417',
    'Zdot': '\u017B',
    'Zeta': '\u0396',
    'Zfr': '\u2128',
    'zeetrf': '\u2128',
    'Zopf': '\u2124',
    'integers': '\u2124',
    'Zscr': '\uD835\uDCB5',
    'aacute': '\u00E1',
    'abreve': '\u0103',
    'ac': '\u223E',
    'mstpos': '\u223E',
    'acE': '\u223E\u0333',
    'acd': '\u223F',
    'acirc': '\u00E2',
    'acy': '\u0430',
    'aelig': '\u00E6',
    'afr': '\uD835\uDD1E',
    'agrave': '\u00E0',
    'alefsym': '\u2135',
    'aleph': '\u2135',
    'alpha': '\u03B1',
    'amacr': '\u0101',
    'amalg': '\u2A3F',
    'and': '\u2227',
    'wedge': '\u2227',
    'andand': '\u2A55',
    'andd': '\u2A5C',
    'andslope': '\u2A58',
    'andv': '\u2A5A',
    'ang': '\u2220',
    'angle': '\u2220',
    'ange': '\u29A4',
    'angmsd': '\u2221',
    'measuredangle': '\u2221',
    'angmsdaa': '\u29A8',
    'angmsdab': '\u29A9',
    'angmsdac': '\u29AA',
    'angmsdad': '\u29AB',
    'angmsdae': '\u29AC',
    'angmsdaf': '\u29AD',
    'angmsdag': '\u29AE',
    'angmsdah': '\u29AF',
    'angrt': '\u221F',
    'angrtvb': '\u22BE',
    'angrtvbd': '\u299D',
    'angsph': '\u2222',
    'angzarr': '\u237C',
    'aogon': '\u0105',
    'aopf': '\uD835\uDD52',
    'apE': '\u2A70',
    'apacir': '\u2A6F',
    'ape': '\u224A',
    'approxeq': '\u224A',
    'apid': '\u224B',
    'apos': '\u0027',
    'aring': '\u00E5',
    'ascr': '\uD835\uDCB6',
    'ast': '\u002A',
    'midast': '\u002A',
    'atilde': '\u00E3',
    'auml': '\u00E4',
    'awint': '\u2A11',
    'bNot': '\u2AED',
    'backcong': '\u224C',
    'bcong': '\u224C',
    'backepsilon': '\u03F6',
    'bepsi': '\u03F6',
    'backprime': '\u2035',
    'bprime': '\u2035',
    'backsim': '\u223D',
    'bsim': '\u223D',
    'backsimeq': '\u22CD',
    'bsime': '\u22CD',
    'barvee': '\u22BD',
    'barwed': '\u2305',
    'barwedge': '\u2305',
    'bbrktbrk': '\u23B6',
    'bcy': '\u0431',
    'bdquo': '\u201E',
    'ldquor': '\u201E',
    'bemptyv': '\u29B0',
    'beta': '\u03B2',
    'beth': '\u2136',
    'between': '\u226C',
    'twixt': '\u226C',
    'bfr': '\uD835\uDD1F',
    'bigcirc': '\u25EF',
    'xcirc': '\u25EF',
    'bigodot': '\u2A00',
    'xodot': '\u2A00',
    'bigoplus': '\u2A01',
    'xoplus': '\u2A01',
    'bigotimes': '\u2A02',
    'xotime': '\u2A02',
    'bigsqcup': '\u2A06',
    'xsqcup': '\u2A06',
    'bigstar': '\u2605',
    'starf': '\u2605',
    'bigtriangledown': '\u25BD',
    'xdtri': '\u25BD',
    'bigtriangleup': '\u25B3',
    'xutri': '\u25B3',
    'biguplus': '\u2A04',
    'xuplus': '\u2A04',
    'bkarow': '\u290D',
    'rbarr': '\u290D',
    'blacklozenge': '\u29EB',
    'lozf': '\u29EB',
    'blacktriangle': '\u25B4',
    'utrif': '\u25B4',
    'blacktriangledown': '\u25BE',
    'dtrif': '\u25BE',
    'blacktriangleleft': '\u25C2',
    'ltrif': '\u25C2',
    'blacktriangleright': '\u25B8',
    'rtrif': '\u25B8',
    'blank': '\u2423',
    'blk12': '\u2592',
    'blk14': '\u2591',
    'blk34': '\u2593',
    'block': '\u2588',
    'bne': '\u003D\u20E5',
    'bnequiv': '\u2261\u20E5',
    'bnot': '\u2310',
    'bopf': '\uD835\uDD53',
    'bowtie': '\u22C8',
    'boxDL': '\u2557',
    'boxDR': '\u2554',
    'boxDl': '\u2556',
    'boxDr': '\u2553',
    'boxH': '\u2550',
    'boxHD': '\u2566',
    'boxHU': '\u2569',
    'boxHd': '\u2564',
    'boxHu': '\u2567',
    'boxUL': '\u255D',
    'boxUR': '\u255A',
    'boxUl': '\u255C',
    'boxUr': '\u2559',
    'boxV': '\u2551',
    'boxVH': '\u256C',
    'boxVL': '\u2563',
    'boxVR': '\u2560',
    'boxVh': '\u256B',
    'boxVl': '\u2562',
    'boxVr': '\u255F',
    'boxbox': '\u29C9',
    'boxdL': '\u2555',
    'boxdR': '\u2552',
    'boxdl': '\u2510',
    'boxdr': '\u250C',
    'boxhD': '\u2565',
    'boxhU': '\u2568',
    'boxhd': '\u252C',
    'boxhu': '\u2534',
    'boxminus': '\u229F',
    'minusb': '\u229F',
    'boxplus': '\u229E',
    'plusb': '\u229E',
    'boxtimes': '\u22A0',
    'timesb': '\u22A0',
    'boxuL': '\u255B',
    'boxuR': '\u2558',
    'boxul': '\u2518',
    'boxur': '\u2514',
    'boxv': '\u2502',
    'boxvH': '\u256A',
    'boxvL': '\u2561',
    'boxvR': '\u255E',
    'boxvh': '\u253C',
    'boxvl': '\u2524',
    'boxvr': '\u251C',
    'brvbar': '\u00A6',
    'bscr': '\uD835\uDCB7',
    'bsemi': '\u204F',
    'bsol': '\u005C',
    'bsolb': '\u29C5',
    'bsolhsub': '\u27C8',
    'bull': '\u2022',
    'bullet': '\u2022',
    'bumpE': '\u2AAE',
    'cacute': '\u0107',
    'cap': '\u2229',
    'capand': '\u2A44',
    'capbrcup': '\u2A49',
    'capcap': '\u2A4B',
    'capcup': '\u2A47',
    'capdot': '\u2A40',
    'caps': '\u2229\uFE00',
    'caret': '\u2041',
    'ccaps': '\u2A4D',
    'ccaron': '\u010D',
    'ccedil': '\u00E7',
    'ccirc': '\u0109',
    'ccups': '\u2A4C',
    'ccupssm': '\u2A50',
    'cdot': '\u010B',
    'cemptyv': '\u29B2',
    'cent': '\u00A2',
    'cfr': '\uD835\uDD20',
    'chcy': '\u0447',
    'check': '\u2713',
    'checkmark': '\u2713',
    'chi': '\u03C7',
    'cir': '\u25CB',
    'cirE': '\u29C3',
    'circ': '\u02C6',
    'circeq': '\u2257',
    'cire': '\u2257',
    'circlearrowleft': '\u21BA',
    'olarr': '\u21BA',
    'circlearrowright': '\u21BB',
    'orarr': '\u21BB',
    'circledS': '\u24C8',
    'oS': '\u24C8',
    'circledast': '\u229B',
    'oast': '\u229B',
    'circledcirc': '\u229A',
    'ocir': '\u229A',
    'circleddash': '\u229D',
    'odash': '\u229D',
    'cirfnint': '\u2A10',
    'cirmid': '\u2AEF',
    'cirscir': '\u29C2',
    'clubs': '\u2663',
    'clubsuit': '\u2663',
    'colon': '\u003A',
    'comma': '\u002C',
    'commat': '\u0040',
    'comp': '\u2201',
    'complement': '\u2201',
    'congdot': '\u2A6D',
    'copf': '\uD835\uDD54',
    'copysr': '\u2117',
    'crarr': '\u21B5',
    'cross': '\u2717',
    'cscr': '\uD835\uDCB8',
    'csub': '\u2ACF',
    'csube': '\u2AD1',
    'csup': '\u2AD0',
    'csupe': '\u2AD2',
    'ctdot': '\u22EF',
    'cudarrl': '\u2938',
    'cudarrr': '\u2935',
    'cuepr': '\u22DE',
    'curlyeqprec': '\u22DE',
    'cuesc': '\u22DF',
    'curlyeqsucc': '\u22DF',
    'cularr': '\u21B6',
    'curvearrowleft': '\u21B6',
    'cularrp': '\u293D',
    'cup': '\u222A',
    'cupbrcap': '\u2A48',
    'cupcap': '\u2A46',
    'cupcup': '\u2A4A',
    'cupdot': '\u228D',
    'cupor': '\u2A45',
    'cups': '\u222A\uFE00',
    'curarr': '\u21B7',
    'curvearrowright': '\u21B7',
    'curarrm': '\u293C',
    'curlyvee': '\u22CE',
    'cuvee': '\u22CE',
    'curlywedge': '\u22CF',
    'cuwed': '\u22CF',
    'curren': '\u00A4',
    'cwint': '\u2231',
    'cylcty': '\u232D',
    'dHar': '\u2965',
    'dagger': '\u2020',
    'daleth': '\u2138',
    'dash': '\u2010',
    'hyphen': '\u2010',
    'dbkarow': '\u290F',
    'rBarr': '\u290F',
    'dcaron': '\u010F',
    'dcy': '\u0434',
    'ddarr': '\u21CA',
    'downdownarrows': '\u21CA',
    'ddotseq': '\u2A77',
    'eDDot': '\u2A77',
    'deg': '\u00B0',
    'delta': '\u03B4',
    'demptyv': '\u29B1',
    'dfisht': '\u297F',
    'dfr': '\uD835\uDD21',
    'diamondsuit': '\u2666',
    'diams': '\u2666',
    'digamma': '\u03DD',
    'gammad': '\u03DD',
    'disin': '\u22F2',
    'div': '\u00F7',
    'divide': '\u00F7',
    'divideontimes': '\u22C7',
    'divonx': '\u22C7',
    'djcy': '\u0452',
    'dlcorn': '\u231E',
    'llcorner': '\u231E',
    'dlcrop': '\u230D',
    'dollar': '\u0024',
    'dopf': '\uD835\uDD55',
    'doteqdot': '\u2251',
    'eDot': '\u2251',
    'dotminus': '\u2238',
    'minusd': '\u2238',
    'dotplus': '\u2214',
    'plusdo': '\u2214',
    'dotsquare': '\u22A1',
    'sdotb': '\u22A1',
    'drcorn': '\u231F',
    'lrcorner': '\u231F',
    'drcrop': '\u230C',
    'dscr': '\uD835\uDCB9',
    'dscy': '\u0455',
    'dsol': '\u29F6',
    'dstrok': '\u0111',
    'dtdot': '\u22F1',
    'dtri': '\u25BF',
    'triangledown': '\u25BF',
    'dwangle': '\u29A6',
    'dzcy': '\u045F',
    'dzigrarr': '\u27FF',
    'eacute': '\u00E9',
    'easter': '\u2A6E',
    'ecaron': '\u011B',
    'ecir': '\u2256',
    'eqcirc': '\u2256',
    'ecirc': '\u00EA',
    'ecolon': '\u2255',
    'eqcolon': '\u2255',
    'ecy': '\u044D',
    'edot': '\u0117',
    'efDot': '\u2252',
    'fallingdotseq': '\u2252',
    'efr': '\uD835\uDD22',
    'eg': '\u2A9A',
    'egrave': '\u00E8',
    'egs': '\u2A96',
    'eqslantgtr': '\u2A96',
    'egsdot': '\u2A98',
    'el': '\u2A99',
    'elinters': '\u23E7',
    'ell': '\u2113',
    'els': '\u2A95',
    'eqslantless': '\u2A95',
    'elsdot': '\u2A97',
    'emacr': '\u0113',
    'empty': '\u2205',
    'emptyset': '\u2205',
    'emptyv': '\u2205',
    'varnothing': '\u2205',
    'emsp13': '\u2004',
    'emsp14': '\u2005',
    'emsp': '\u2003',
    'eng': '\u014B',
    'ensp': '\u2002',
    'eogon': '\u0119',
    'eopf': '\uD835\uDD56',
    'epar': '\u22D5',
    'eparsl': '\u29E3',
    'eplus': '\u2A71',
    'epsi': '\u03B5',
    'epsilon': '\u03B5',
    'epsiv': '\u03F5',
    'straightepsilon': '\u03F5',
    'varepsilon': '\u03F5',
    'equals': '\u003D',
    'equest': '\u225F',
    'questeq': '\u225F',
    'equivDD': '\u2A78',
    'eqvparsl': '\u29E5',
    'erDot': '\u2253',
    'risingdotseq': '\u2253',
    'erarr': '\u2971',
    'escr': '\u212F',
    'eta': '\u03B7',
    'eth': '\u00F0',
    'euml': '\u00EB',
    'euro': '\u20AC',
    'excl': '\u0021',
    'fcy': '\u0444',
    'female': '\u2640',
    'ffilig': '\uFB03',
    'fflig': '\uFB00',
    'ffllig': '\uFB04',
    'ffr': '\uD835\uDD23',
    'filig': '\uFB01',
    'fjlig': '\u0066\u006A',
    'flat': '\u266D',
    'fllig': '\uFB02',
    'fltns': '\u25B1',
    'fnof': '\u0192',
    'fopf': '\uD835\uDD57',
    'fork': '\u22D4',
    'pitchfork': '\u22D4',
    'forkv': '\u2AD9',
    'fpartint': '\u2A0D',
    'frac12': '\u00BD',
    'half': '\u00BD',
    'frac13': '\u2153',
    'frac14': '\u00BC',
    'frac15': '\u2155',
    'frac16': '\u2159',
    'frac18': '\u215B',
    'frac23': '\u2154',
    'frac25': '\u2156',
    'frac34': '\u00BE',
    'frac35': '\u2157',
    'frac38': '\u215C',
    'frac45': '\u2158',
    'frac56': '\u215A',
    'frac58': '\u215D',
    'frac78': '\u215E',
    'frasl': '\u2044',
    'frown': '\u2322',
    'sfrown': '\u2322',
    'fscr': '\uD835\uDCBB',
    'gEl': '\u2A8C',
    'gtreqqless': '\u2A8C',
    'gacute': '\u01F5',
    'gamma': '\u03B3',
    'gap': '\u2A86',
    'gtrapprox': '\u2A86',
    'gbreve': '\u011F',
    'gcirc': '\u011D',
    'gcy': '\u0433',
    'gdot': '\u0121',
    'gescc': '\u2AA9',
    'gesdot': '\u2A80',
    'gesdoto': '\u2A82',
    'gesdotol': '\u2A84',
    'gesl': '\u22DB\uFE00',
    'gesles': '\u2A94',
    'gfr': '\uD835\uDD24',
    'gimel': '\u2137',
    'gjcy': '\u0453',
    'glE': '\u2A92',
    'gla': '\u2AA5',
    'glj': '\u2AA4',
    'gnE': '\u2269',
    'gneqq': '\u2269',
    'gnap': '\u2A8A',
    'gnapprox': '\u2A8A',
    'gne': '\u2A88',
    'gneq': '\u2A88',
    'gnsim': '\u22E7',
    'gopf': '\uD835\uDD58',
    'gscr': '\u210A',
    'gsime': '\u2A8E',
    'gsiml': '\u2A90',
    'gtcc': '\u2AA7',
    'gtcir': '\u2A7A',
    'gtdot': '\u22D7',
    'gtrdot': '\u22D7',
    'gtlPar': '\u2995',
    'gtquest': '\u2A7C',
    'gtrarr': '\u2978',
    'gvertneqq': '\u2269\uFE00',
    'gvnE': '\u2269\uFE00',
    'hardcy': '\u044A',
    'harrcir': '\u2948',
    'harrw': '\u21AD',
    'leftrightsquigarrow': '\u21AD',
    'hbar': '\u210F',
    'hslash': '\u210F',
    'planck': '\u210F',
    'plankv': '\u210F',
    'hcirc': '\u0125',
    'hearts': '\u2665',
    'heartsuit': '\u2665',
    'hellip': '\u2026',
    'mldr': '\u2026',
    'hercon': '\u22B9',
    'hfr': '\uD835\uDD25',
    'hksearow': '\u2925',
    'searhk': '\u2925',
    'hkswarow': '\u2926',
    'swarhk': '\u2926',
    'hoarr': '\u21FF',
    'homtht': '\u223B',
    'hookleftarrow': '\u21A9',
    'larrhk': '\u21A9',
    'hookrightarrow': '\u21AA',
    'rarrhk': '\u21AA',
    'hopf': '\uD835\uDD59',
    'horbar': '\u2015',
    'hscr': '\uD835\uDCBD',
    'hstrok': '\u0127',
    'hybull': '\u2043',
    'iacute': '\u00ED',
    'icirc': '\u00EE',
    'icy': '\u0438',
    'iecy': '\u0435',
    'iexcl': '\u00A1',
    'ifr': '\uD835\uDD26',
    'igrave': '\u00EC',
    'iiiint': '\u2A0C',
    'qint': '\u2A0C',
    'iiint': '\u222D',
    'tint': '\u222D',
    'iinfin': '\u29DC',
    'iiota': '\u2129',
    'ijlig': '\u0133',
    'imacr': '\u012B',
    'imath': '\u0131',
    'inodot': '\u0131',
    'imof': '\u22B7',
    'imped': '\u01B5',
    'incare': '\u2105',
    'infin': '\u221E',
    'infintie': '\u29DD',
    'intcal': '\u22BA',
    'intercal': '\u22BA',
    'intlarhk': '\u2A17',
    'intprod': '\u2A3C',
    'iprod': '\u2A3C',
    'iocy': '\u0451',
    'iogon': '\u012F',
    'iopf': '\uD835\uDD5A',
    'iota': '\u03B9',
    'iquest': '\u00BF',
    'iscr': '\uD835\uDCBE',
    'isinE': '\u22F9',
    'isindot': '\u22F5',
    'isins': '\u22F4',
    'isinsv': '\u22F3',
    'itilde': '\u0129',
    'iukcy': '\u0456',
    'iuml': '\u00EF',
    'jcirc': '\u0135',
    'jcy': '\u0439',
    'jfr': '\uD835\uDD27',
    'jmath': '\u0237',
    'jopf': '\uD835\uDD5B',
    'jscr': '\uD835\uDCBF',
    'jsercy': '\u0458',
    'jukcy': '\u0454',
    'kappa': '\u03BA',
    'kappav': '\u03F0',
    'varkappa': '\u03F0',
    'kcedil': '\u0137',
    'kcy': '\u043A',
    'kfr': '\uD835\uDD28',
    'kgreen': '\u0138',
    'khcy': '\u0445',
    'kjcy': '\u045C',
    'kopf': '\uD835\uDD5C',
    'kscr': '\uD835\uDCC0',
    'lAtail': '\u291B',
    'lBarr': '\u290E',
    'lEg': '\u2A8B',
    'lesseqqgtr': '\u2A8B',
    'lHar': '\u2962',
    'lacute': '\u013A',
    'laemptyv': '\u29B4',
    'lambda': '\u03BB',
    'langd': '\u2991',
    'lap': '\u2A85',
    'lessapprox': '\u2A85',
    'laquo': '\u00AB',
    'larrbfs': '\u291F',
    'larrfs': '\u291D',
    'larrlp': '\u21AB',
    'looparrowleft': '\u21AB',
    'larrpl': '\u2939',
    'larrsim': '\u2973',
    'larrtl': '\u21A2',
    'leftarrowtail': '\u21A2',
    'lat': '\u2AAB',
    'latail': '\u2919',
    'late': '\u2AAD',
    'lates': '\u2AAD\uFE00',
    'lbarr': '\u290C',
    'lbbrk': '\u2772',
    'lbrace': '\u007B',
    'lcub': '\u007B',
    'lbrack': '\u005B',
    'lsqb': '\u005B',
    'lbrke': '\u298B',
    'lbrksld': '\u298F',
    'lbrkslu': '\u298D',
    'lcaron': '\u013E',
    'lcedil': '\u013C',
    'lcy': '\u043B',
    'ldca': '\u2936',
    'ldrdhar': '\u2967',
    'ldrushar': '\u294B',
    'ldsh': '\u21B2',
    'le': '\u2264',
    'leq': '\u2264',
    'leftleftarrows': '\u21C7',
    'llarr': '\u21C7',
    'leftthreetimes': '\u22CB',
    'lthree': '\u22CB',
    'lescc': '\u2AA8',
    'lesdot': '\u2A7F',
    'lesdoto': '\u2A81',
    'lesdotor': '\u2A83',
    'lesg': '\u22DA\uFE00',
    'lesges': '\u2A93',
    'lessdot': '\u22D6',
    'ltdot': '\u22D6',
    'lfisht': '\u297C',
    'lfr': '\uD835\uDD29',
    'lgE': '\u2A91',
    'lharul': '\u296A',
    'lhblk': '\u2584',
    'ljcy': '\u0459',
    'llhard': '\u296B',
    'lltri': '\u25FA',
    'lmidot': '\u0140',
    'lmoust': '\u23B0',
    'lmoustache': '\u23B0',
    'lnE': '\u2268',
    'lneqq': '\u2268',
    'lnap': '\u2A89',
    'lnapprox': '\u2A89',
    'lne': '\u2A87',
    'lneq': '\u2A87',
    'lnsim': '\u22E6',
    'loang': '\u27EC',
    'loarr': '\u21FD',
    'longmapsto': '\u27FC',
    'xmap': '\u27FC',
    'looparrowright': '\u21AC',
    'rarrlp': '\u21AC',
    'lopar': '\u2985',
    'lopf': '\uD835\uDD5D',
    'loplus': '\u2A2D',
    'lotimes': '\u2A34',
    'lowast': '\u2217',
    'loz': '\u25CA',
    'lozenge': '\u25CA',
    'lpar': '\u0028',
    'lparlt': '\u2993',
    'lrhard': '\u296D',
    'lrm': '\u200E',
    'lrtri': '\u22BF',
    'lsaquo': '\u2039',
    'lscr': '\uD835\uDCC1',
    'lsime': '\u2A8D',
    'lsimg': '\u2A8F',
    'lsquor': '\u201A',
    'sbquo': '\u201A',
    'lstrok': '\u0142',
    'ltcc': '\u2AA6',
    'ltcir': '\u2A79',
    'ltimes': '\u22C9',
    'ltlarr': '\u2976',
    'ltquest': '\u2A7B',
    'ltrPar': '\u2996',
    'ltri': '\u25C3',
    'triangleleft': '\u25C3',
    'lurdshar': '\u294A',
    'luruhar': '\u2966',
    'lvertneqq': '\u2268\uFE00',
    'lvnE': '\u2268\uFE00',
    'mDDot': '\u223A',
    'macr': '\u00AF',
    'strns': '\u00AF',
    'male': '\u2642',
    'malt': '\u2720',
    'maltese': '\u2720',
    'marker': '\u25AE',
    'mcomma': '\u2A29',
    'mcy': '\u043C',
    'mdash': '\u2014',
    'mfr': '\uD835\uDD2A',
    'mho': '\u2127',
    'micro': '\u00B5',
    'midcir': '\u2AF0',
    'minus': '\u2212',
    'minusdu': '\u2A2A',
    'mlcp': '\u2ADB',
    'models': '\u22A7',
    'mopf': '\uD835\uDD5E',
    'mscr': '\uD835\uDCC2',
    'mu': '\u03BC',
    'multimap': '\u22B8',
    'mumap': '\u22B8',
    'nGg': '\u22D9\u0338',
    'nGt': '\u226B\u20D2',
    'nLeftarrow': '\u21CD',
    'nlArr': '\u21CD',
    'nLeftrightarrow': '\u21CE',
    'nhArr': '\u21CE',
    'nLl': '\u22D8\u0338',
    'nLt': '\u226A\u20D2',
    'nRightarrow': '\u21CF',
    'nrArr': '\u21CF',
    'nVDash': '\u22AF',
    'nVdash': '\u22AE',
    'nacute': '\u0144',
    'nang': '\u2220\u20D2',
    'napE': '\u2A70\u0338',
    'napid': '\u224B\u0338',
    'napos': '\u0149',
    'natur': '\u266E',
    'natural': '\u266E',
    'ncap': '\u2A43',
    'ncaron': '\u0148',
    'ncedil': '\u0146',
    'ncongdot': '\u2A6D\u0338',
    'ncup': '\u2A42',
    'ncy': '\u043D',
    'ndash': '\u2013',
    'neArr': '\u21D7',
    'nearhk': '\u2924',
    'nedot': '\u2250\u0338',
    'nesear': '\u2928',
    'toea': '\u2928',
    'nfr': '\uD835\uDD2B',
    'nharr': '\u21AE',
    'nleftrightarrow': '\u21AE',
    'nhpar': '\u2AF2',
    'nis': '\u22FC',
    'nisd': '\u22FA',
    'njcy': '\u045A',
    'nlE': '\u2266\u0338',
    'nleqq': '\u2266\u0338',
    'nlarr': '\u219A',
    'nleftarrow': '\u219A',
    'nldr': '\u2025',
    'nopf': '\uD835\uDD5F',
    'not': '\u00AC',
    'notinE': '\u22F9\u0338',
    'notindot': '\u22F5\u0338',
    'notinvb': '\u22F7',
    'notinvc': '\u22F6',
    'notnivb': '\u22FE',
    'notnivc': '\u22FD',
    'nparsl': '\u2AFD\u20E5',
    'npart': '\u2202\u0338',
    'npolint': '\u2A14',
    'nrarr': '\u219B',
    'nrightarrow': '\u219B',
    'nrarrc': '\u2933\u0338',
    'nrarrw': '\u219D\u0338',
    'nscr': '\uD835\uDCC3',
    'nsub': '\u2284',
    'nsubE': '\u2AC5\u0338',
    'nsubseteqq': '\u2AC5\u0338',
    'nsup': '\u2285',
    'nsupE': '\u2AC6\u0338',
    'nsupseteqq': '\u2AC6\u0338',
    'ntilde': '\u00F1',
    'nu': '\u03BD',
    'num': '\u0023',
    'numero': '\u2116',
    'numsp': '\u2007',
    'nvDash': '\u22AD',
    'nvHarr': '\u2904',
    'nvap': '\u224D\u20D2',
    'nvdash': '\u22AC',
    'nvge': '\u2265\u20D2',
    'nvgt': '\u003E\u20D2',
    'nvinfin': '\u29DE',
    'nvlArr': '\u2902',
    'nvle': '\u2264\u20D2',
    'nvlt': '\u003C\u20D2',
    'nvltrie': '\u22B4\u20D2',
    'nvrArr': '\u2903',
    'nvrtrie': '\u22B5\u20D2',
    'nvsim': '\u223C\u20D2',
    'nwArr': '\u21D6',
    'nwarhk': '\u2923',
    'nwnear': '\u2927',
    'oacute': '\u00F3',
    'ocirc': '\u00F4',
    'ocy': '\u043E',
    'odblac': '\u0151',
    'odiv': '\u2A38',
    'odsold': '\u29BC',
    'oelig': '\u0153',
    'ofcir': '\u29BF',
    'ofr': '\uD835\uDD2C',
    'ogon': '\u02DB',
    'ograve': '\u00F2',
    'ogt': '\u29C1',
    'ohbar': '\u29B5',
    'olcir': '\u29BE',
    'olcross': '\u29BB',
    'olt': '\u29C0',
    'omacr': '\u014D',
    'omega': '\u03C9',
    'omicron': '\u03BF',
    'omid': '\u29B6',
    'oopf': '\uD835\uDD60',
    'opar': '\u29B7',
    'operp': '\u29B9',
    'or': '\u2228',
    'vee': '\u2228',
    'ord': '\u2A5D',
    'order': '\u2134',
    'orderof': '\u2134',
    'oscr': '\u2134',
    'ordf': '\u00AA',
    'ordm': '\u00BA',
    'origof': '\u22B6',
    'oror': '\u2A56',
    'orslope': '\u2A57',
    'orv': '\u2A5B',
    'oslash': '\u00F8',
    'osol': '\u2298',
    'otilde': '\u00F5',
    'otimesas': '\u2A36',
    'ouml': '\u00F6',
    'ovbar': '\u233D',
    'para': '\u00B6',
    'parsim': '\u2AF3',
    'parsl': '\u2AFD',
    'pcy': '\u043F',
    'percnt': '\u0025',
    'period': '\u002E',
    'permil': '\u2030',
    'pertenk': '\u2031',
    'pfr': '\uD835\uDD2D',
    'phi': '\u03C6',
    'phiv': '\u03D5',
    'straightphi': '\u03D5',
    'varphi': '\u03D5',
    'phone': '\u260E',
    'pi': '\u03C0',
    'piv': '\u03D6',
    'varpi': '\u03D6',
    'planckh': '\u210E',
    'plus': '\u002B',
    'plusacir': '\u2A23',
    'pluscir': '\u2A22',
    'plusdu': '\u2A25',
    'pluse': '\u2A72',
    'plussim': '\u2A26',
    'plustwo': '\u2A27',
    'pointint': '\u2A15',
    'popf': '\uD835\uDD61',
    'pound': '\u00A3',
    'prE': '\u2AB3',
    'prap': '\u2AB7',
    'precapprox': '\u2AB7',
    'precnapprox': '\u2AB9',
    'prnap': '\u2AB9',
    'precneqq': '\u2AB5',
    'prnE': '\u2AB5',
    'precnsim': '\u22E8',
    'prnsim': '\u22E8',
    'prime': '\u2032',
    'profalar': '\u232E',
    'profline': '\u2312',
    'profsurf': '\u2313',
    'prurel': '\u22B0',
    'pscr': '\uD835\uDCC5',
    'psi': '\u03C8',
    'puncsp': '\u2008',
    'qfr': '\uD835\uDD2E',
    'qopf': '\uD835\uDD62',
    'qprime': '\u2057',
    'qscr': '\uD835\uDCC6',
    'quatint': '\u2A16',
    'quest': '\u003F',
    'rAtail': '\u291C',
    'rHar': '\u2964',
    'race': '\u223D\u0331',
    'racute': '\u0155',
    'raemptyv': '\u29B3',
    'rangd': '\u2992',
    'range': '\u29A5',
    'raquo': '\u00BB',
    'rarrap': '\u2975',
    'rarrbfs': '\u2920',
    'rarrc': '\u2933',
    'rarrfs': '\u291E',
    'rarrpl': '\u2945',
    'rarrsim': '\u2974',
    'rarrtl': '\u21A3',
    'rightarrowtail': '\u21A3',
    'rarrw': '\u219D',
    'rightsquigarrow': '\u219D',
    'ratail': '\u291A',
    'ratio': '\u2236',
    'rbbrk': '\u2773',
    'rbrace': '\u007D',
    'rcub': '\u007D',
    'rbrack': '\u005D',
    'rsqb': '\u005D',
    'rbrke': '\u298C',
    'rbrksld': '\u298E',
    'rbrkslu': '\u2990',
    'rcaron': '\u0159',
    'rcedil': '\u0157',
    'rcy': '\u0440',
    'rdca': '\u2937',
    'rdldhar': '\u2969',
    'rdsh': '\u21B3',
    'rect': '\u25AD',
    'rfisht': '\u297D',
    'rfr': '\uD835\uDD2F',
    'rharul': '\u296C',
    'rho': '\u03C1',
    'rhov': '\u03F1',
    'varrho': '\u03F1',
    'rightrightarrows': '\u21C9',
    'rrarr': '\u21C9',
    'rightthreetimes': '\u22CC',
    'rthree': '\u22CC',
    'ring': '\u02DA',
    'rlm': '\u200F',
    'rmoust': '\u23B1',
    'rmoustache': '\u23B1',
    'rnmid': '\u2AEE',
    'roang': '\u27ED',
    'roarr': '\u21FE',
    'ropar': '\u2986',
    'ropf': '\uD835\uDD63',
    'roplus': '\u2A2E',
    'rotimes': '\u2A35',
    'rpar': '\u0029',
    'rpargt': '\u2994',
    'rppolint': '\u2A12',
    'rsaquo': '\u203A',
    'rscr': '\uD835\uDCC7',
    'rtimes': '\u22CA',
    'rtri': '\u25B9',
    'triangleright': '\u25B9',
    'rtriltri': '\u29CE',
    'ruluhar': '\u2968',
    'rx': '\u211E',
    'sacute': '\u015B',
    'scE': '\u2AB4',
    'scap': '\u2AB8',
    'succapprox': '\u2AB8',
    'scaron': '\u0161',
    'scedil': '\u015F',
    'scirc': '\u015D',
    'scnE': '\u2AB6',
    'succneqq': '\u2AB6',
    'scnap': '\u2ABA',
    'succnapprox': '\u2ABA',
    'scnsim': '\u22E9',
    'succnsim': '\u22E9',
    'scpolint': '\u2A13',
    'scy': '\u0441',
    'sdot': '\u22C5',
    'sdote': '\u2A66',
    'seArr': '\u21D8',
    'sect': '\u00A7',
    'semi': '\u003B',
    'seswar': '\u2929',
    'tosa': '\u2929',
    'sext': '\u2736',
    'sfr': '\uD835\uDD30',
    'sharp': '\u266F',
    'shchcy': '\u0449',
    'shcy': '\u0448',
    'shy': '\u00AD',
    'sigma': '\u03C3',
    'sigmaf': '\u03C2',
    'sigmav': '\u03C2',
    'varsigma': '\u03C2',
    'simdot': '\u2A6A',
    'simg': '\u2A9E',
    'simgE': '\u2AA0',
    'siml': '\u2A9D',
    'simlE': '\u2A9F',
    'simne': '\u2246',
    'simplus': '\u2A24',
    'simrarr': '\u2972',
    'smashp': '\u2A33',
    'smeparsl': '\u29E4',
    'smile': '\u2323',
    'ssmile': '\u2323',
    'smt': '\u2AAA',
    'smte': '\u2AAC',
    'smtes': '\u2AAC\uFE00',
    'softcy': '\u044C',
    'sol': '\u002F',
    'solb': '\u29C4',
    'solbar': '\u233F',
    'sopf': '\uD835\uDD64',
    'spades': '\u2660',
    'spadesuit': '\u2660',
    'sqcaps': '\u2293\uFE00',
    'sqcups': '\u2294\uFE00',
    'sscr': '\uD835\uDCC8',
    'star': '\u2606',
    'sub': '\u2282',
    'subset': '\u2282',
    'subE': '\u2AC5',
    'subseteqq': '\u2AC5',
    'subdot': '\u2ABD',
    'subedot': '\u2AC3',
    'submult': '\u2AC1',
    'subnE': '\u2ACB',
    'subsetneqq': '\u2ACB',
    'subne': '\u228A',
    'subsetneq': '\u228A',
    'subplus': '\u2ABF',
    'subrarr': '\u2979',
    'subsim': '\u2AC7',
    'subsub': '\u2AD5',
    'subsup': '\u2AD3',
    'sung': '\u266A',
    'sup1': '\u00B9',
    'sup2': '\u00B2',
    'sup3': '\u00B3',
    'supE': '\u2AC6',
    'supseteqq': '\u2AC6',
    'supdot': '\u2ABE',
    'supdsub': '\u2AD8',
    'supedot': '\u2AC4',
    'suphsol': '\u27C9',
    'suphsub': '\u2AD7',
    'suplarr': '\u297B',
    'supmult': '\u2AC2',
    'supnE': '\u2ACC',
    'supsetneqq': '\u2ACC',
    'supne': '\u228B',
    'supsetneq': '\u228B',
    'supplus': '\u2AC0',
    'supsim': '\u2AC8',
    'supsub': '\u2AD4',
    'supsup': '\u2AD6',
    'swArr': '\u21D9',
    'swnwar': '\u292A',
    'szlig': '\u00DF',
    'target': '\u2316',
    'tau': '\u03C4',
    'tcaron': '\u0165',
    'tcedil': '\u0163',
    'tcy': '\u0442',
    'telrec': '\u2315',
    'tfr': '\uD835\uDD31',
    'theta': '\u03B8',
    'thetasym': '\u03D1',
    'thetav': '\u03D1',
    'vartheta': '\u03D1',
    'thorn': '\u00FE',
    'times': '\u00D7',
    'timesbar': '\u2A31',
    'timesd': '\u2A30',
    'topbot': '\u2336',
    'topcir': '\u2AF1',
    'topf': '\uD835\uDD65',
    'topfork': '\u2ADA',
    'tprime': '\u2034',
    'triangle': '\u25B5',
    'utri': '\u25B5',
    'triangleq': '\u225C',
    'trie': '\u225C',
    'tridot': '\u25EC',
    'triminus': '\u2A3A',
    'triplus': '\u2A39',
    'trisb': '\u29CD',
    'tritime': '\u2A3B',
    'trpezium': '\u23E2',
    'tscr': '\uD835\uDCC9',
    'tscy': '\u0446',
    'tshcy': '\u045B',
    'tstrok': '\u0167',
    'uHar': '\u2963',
    'uacute': '\u00FA',
    'ubrcy': '\u045E',
    'ubreve': '\u016D',
    'ucirc': '\u00FB',
    'ucy': '\u0443',
    'udblac': '\u0171',
    'ufisht': '\u297E',
    'ufr': '\uD835\uDD32',
    'ugrave': '\u00F9',
    'uhblk': '\u2580',
    'ulcorn': '\u231C',
    'ulcorner': '\u231C',
    'ulcrop': '\u230F',
    'ultri': '\u25F8',
    'umacr': '\u016B',
    'uogon': '\u0173',
    'uopf': '\uD835\uDD66',
    'upsi': '\u03C5',
    'upsilon': '\u03C5',
    'upuparrows': '\u21C8',
    'uuarr': '\u21C8',
    'urcorn': '\u231D',
    'urcorner': '\u231D',
    'urcrop': '\u230E',
    'uring': '\u016F',
    'urtri': '\u25F9',
    'uscr': '\uD835\uDCCA',
    'utdot': '\u22F0',
    'utilde': '\u0169',
    'uuml': '\u00FC',
    'uwangle': '\u29A7',
    'vBar': '\u2AE8',
    'vBarv': '\u2AE9',
    'vangrt': '\u299C',
    'varsubsetneq': '\u228A\uFE00',
    'vsubne': '\u228A\uFE00',
    'varsubsetneqq': '\u2ACB\uFE00',
    'vsubnE': '\u2ACB\uFE00',
    'varsupsetneq': '\u228B\uFE00',
    'vsupne': '\u228B\uFE00',
    'varsupsetneqq': '\u2ACC\uFE00',
    'vsupnE': '\u2ACC\uFE00',
    'vcy': '\u0432',
    'veebar': '\u22BB',
    'veeeq': '\u225A',
    'vellip': '\u22EE',
    'vfr': '\uD835\uDD33',
    'vopf': '\uD835\uDD67',
    'vscr': '\uD835\uDCCB',
    'vzigzag': '\u299A',
    'wcirc': '\u0175',
    'wedbar': '\u2A5F',
    'wedgeq': '\u2259',
    'weierp': '\u2118',
    'wp': '\u2118',
    'wfr': '\uD835\uDD34',
    'wopf': '\uD835\uDD68',
    'wscr': '\uD835\uDCCC',
    'xfr': '\uD835\uDD35',
    'xi': '\u03BE',
    'xnis': '\u22FB',
    'xopf': '\uD835\uDD69',
    'xscr': '\uD835\uDCCD',
    'yacute': '\u00FD',
    'yacy': '\u044F',
    'ycirc': '\u0177',
    'ycy': '\u044B',
    'yen': '\u00A5',
    'yfr': '\uD835\uDD36',
    'yicy': '\u0457',
    'yopf': '\uD835\uDD6A',
    'yscr': '\uD835\uDCCE',
    'yucy': '\u044E',
    'yuml': '\u00FF',
    'zacute': '\u017A',
    'zcaron': '\u017E',
    'zcy': '\u0437',
    'zdot': '\u017C',
    'zeta': '\u03B6',
    'zfr': '\uD835\uDD37',
    'zhcy': '\u0436',
    'zigrarr': '\u21DD',
    'zopf': '\uD835\uDD6B',
    'zscr': '\uD835\uDCCF',
    'zwj': '\u200D',
    'zwnj': '\u200C'
};
// The &ngsp; pseudo-entity is denoting a space. see:
// https://github.com/dart-lang/angular/blob/0bb611387d29d65b5af7f9d2515ab571fd3fbee4/_tests/test/compiler/preserve_whitespace_test.dart
const NGSP_UNICODE = '\uE500';
NAMED_ENTITIES['ngsp'] = NGSP_UNICODE;

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
var TokenType;
(function (TokenType) {
    TokenType[TokenType["TAG_OPEN_START"] = 0] = "TAG_OPEN_START";
    TokenType[TokenType["TAG_OPEN_END"] = 1] = "TAG_OPEN_END";
    TokenType[TokenType["TAG_OPEN_END_VOID"] = 2] = "TAG_OPEN_END_VOID";
    TokenType[TokenType["TAG_CLOSE"] = 3] = "TAG_CLOSE";
    TokenType[TokenType["INCOMPLETE_TAG_OPEN"] = 4] = "INCOMPLETE_TAG_OPEN";
    TokenType[TokenType["TEXT"] = 5] = "TEXT";
    TokenType[TokenType["ESCAPABLE_RAW_TEXT"] = 6] = "ESCAPABLE_RAW_TEXT";
    TokenType[TokenType["RAW_TEXT"] = 7] = "RAW_TEXT";
    TokenType[TokenType["COMMENT_START"] = 8] = "COMMENT_START";
    TokenType[TokenType["COMMENT_END"] = 9] = "COMMENT_END";
    TokenType[TokenType["CDATA_START"] = 10] = "CDATA_START";
    TokenType[TokenType["CDATA_END"] = 11] = "CDATA_END";
    TokenType[TokenType["ATTR_NAME"] = 12] = "ATTR_NAME";
    TokenType[TokenType["ATTR_QUOTE"] = 13] = "ATTR_QUOTE";
    TokenType[TokenType["ATTR_VALUE"] = 14] = "ATTR_VALUE";
    TokenType[TokenType["DOC_TYPE"] = 15] = "DOC_TYPE";
    TokenType[TokenType["EXPANSION_FORM_START"] = 16] = "EXPANSION_FORM_START";
    TokenType[TokenType["EXPANSION_CASE_VALUE"] = 17] = "EXPANSION_CASE_VALUE";
    TokenType[TokenType["EXPANSION_CASE_EXP_START"] = 18] = "EXPANSION_CASE_EXP_START";
    TokenType[TokenType["EXPANSION_CASE_EXP_END"] = 19] = "EXPANSION_CASE_EXP_END";
    TokenType[TokenType["EXPANSION_FORM_END"] = 20] = "EXPANSION_FORM_END";
    TokenType[TokenType["EOF"] = 21] = "EOF";
})(TokenType || (TokenType = {}));
class Token {
    constructor(type, parts, sourceSpan) {
        this.type = type;
        this.parts = parts;
        this.sourceSpan = sourceSpan;
    }
}
class TokenError extends ParseError {
    constructor(errorMsg, tokenType, span) {
        super(span, errorMsg);
        this.tokenType = tokenType;
    }
}
class TokenizeResult {
    constructor(tokens, errors, nonNormalizedIcuExpressions) {
        this.tokens = tokens;
        this.errors = errors;
        this.nonNormalizedIcuExpressions = nonNormalizedIcuExpressions;
    }
}
function tokenize(source, url, getTagDefinition, options = {}) {
    const tokenizer = new _Tokenizer(new ParseSourceFile(source, url), getTagDefinition, options);
    tokenizer.tokenize();
    return new TokenizeResult(mergeTextTokens(tokenizer.tokens), tokenizer.errors, tokenizer.nonNormalizedIcuExpressions);
}
const _CR_OR_CRLF_REGEXP = /\r\n?/g;
function _unexpectedCharacterErrorMsg(charCode) {
    const char = charCode === $EOF ? 'EOF' : String.fromCharCode(charCode);
    return `Unexpected character "${char}"`;
}
function _unknownEntityErrorMsg(entitySrc) {
    return `Unknown entity "${entitySrc}" - use the "&#<decimal>;" or  "&#x<hex>;" syntax`;
}
function _unparsableEntityErrorMsg(type, entityStr) {
    return `Unable to parse entity "${entityStr}" - ${type} character reference entities must end with ";"`;
}
var CharacterReferenceType;
(function (CharacterReferenceType) {
    CharacterReferenceType["HEX"] = "hexadecimal";
    CharacterReferenceType["DEC"] = "decimal";
})(CharacterReferenceType || (CharacterReferenceType = {}));
class _ControlFlowError {
    constructor(error) {
        this.error = error;
    }
}
// See https://www.w3.org/TR/html51/syntax.html#writing-html-documents
class _Tokenizer {
    /**
     * @param _file The html source file being tokenized.
     * @param _getTagDefinition A function that will retrieve a tag definition for a given tag name.
     * @param options Configuration of the tokenization.
     */
    constructor(_file, _getTagDefinition, options) {
        this._getTagDefinition = _getTagDefinition;
        this._currentTokenStart = null;
        this._currentTokenType = null;
        this._expansionCaseStack = [];
        this._inInterpolation = false;
        this.tokens = [];
        this.errors = [];
        this.nonNormalizedIcuExpressions = [];
        this._tokenizeIcu = options.tokenizeExpansionForms || false;
        this._interpolationConfig = options.interpolationConfig || DEFAULT_INTERPOLATION_CONFIG;
        this._leadingTriviaCodePoints =
            options.leadingTriviaChars && options.leadingTriviaChars.map(c => c.codePointAt(0) || 0);
        const range = options.range || { endPos: _file.content.length, startPos: 0, startLine: 0, startCol: 0 };
        this._cursor = options.escapedString ? new EscapedCharacterCursor(_file, range) :
            new PlainCharacterCursor(_file, range);
        this._preserveLineEndings = options.preserveLineEndings || false;
        this._escapedString = options.escapedString || false;
        this._i18nNormalizeLineEndingsInICUs = options.i18nNormalizeLineEndingsInICUs || false;
        try {
            this._cursor.init();
        }
        catch (e) {
            this.handleError(e);
        }
    }
    _processCarriageReturns(content) {
        if (this._preserveLineEndings) {
            return content;
        }
        // https://www.w3.org/TR/html51/syntax.html#preprocessing-the-input-stream
        // In order to keep the original position in the source, we can not
        // pre-process it.
        // Instead CRs are processed right before instantiating the tokens.
        return content.replace(_CR_OR_CRLF_REGEXP, '\n');
    }
    tokenize() {
        while (this._cursor.peek() !== $EOF) {
            const start = this._cursor.clone();
            try {
                if (this._attemptCharCode($LT)) {
                    if (this._attemptCharCode($BANG)) {
                        if (this._attemptCharCode($LBRACKET)) {
                            this._consumeCdata(start);
                        }
                        else if (this._attemptCharCode($MINUS)) {
                            this._consumeComment(start);
                        }
                        else {
                            this._consumeDocType(start);
                        }
                    }
                    else if (this._attemptCharCode($SLASH)) {
                        this._consumeTagClose(start);
                    }
                    else {
                        this._consumeTagOpen(start);
                    }
                }
                else if (!(this._tokenizeIcu && this._tokenizeExpansionForm())) {
                    this._consumeText();
                }
            }
            catch (e) {
                this.handleError(e);
            }
        }
        this._beginToken(TokenType.EOF);
        this._endToken([]);
    }
    /**
     * @returns whether an ICU token has been created
     * @internal
     */
    _tokenizeExpansionForm() {
        if (this.isExpansionFormStart()) {
            this._consumeExpansionFormStart();
            return true;
        }
        if (isExpansionCaseStart(this._cursor.peek()) && this._isInExpansionForm()) {
            this._consumeExpansionCaseStart();
            return true;
        }
        if (this._cursor.peek() === $RBRACE) {
            if (this._isInExpansionCase()) {
                this._consumeExpansionCaseEnd();
                return true;
            }
            if (this._isInExpansionForm()) {
                this._consumeExpansionFormEnd();
                return true;
            }
        }
        return false;
    }
    _beginToken(type, start = this._cursor.clone()) {
        this._currentTokenStart = start;
        this._currentTokenType = type;
    }
    _endToken(parts, end) {
        if (this._currentTokenStart === null) {
            throw new TokenError('Programming error - attempted to end a token when there was no start to the token', this._currentTokenType, this._cursor.getSpan(end));
        }
        if (this._currentTokenType === null) {
            throw new TokenError('Programming error - attempted to end a token which has no token type', null, this._cursor.getSpan(this._currentTokenStart));
        }
        const token = new Token(this._currentTokenType, parts, this._cursor.getSpan(this._currentTokenStart, this._leadingTriviaCodePoints));
        this.tokens.push(token);
        this._currentTokenStart = null;
        this._currentTokenType = null;
        return token;
    }
    _createError(msg, span) {
        if (this._isInExpansionForm()) {
            msg += ` (Do you have an unescaped "{" in your template? Use "{{ '{' }}") to escape it.)`;
        }
        const error = new TokenError(msg, this._currentTokenType, span);
        this._currentTokenStart = null;
        this._currentTokenType = null;
        return new _ControlFlowError(error);
    }
    handleError(e) {
        if (e instanceof CursorError) {
            e = this._createError(e.msg, this._cursor.getSpan(e.cursor));
        }
        if (e instanceof _ControlFlowError) {
            this.errors.push(e.error);
        }
        else {
            throw e;
        }
    }
    _attemptCharCode(charCode) {
        if (this._cursor.peek() === charCode) {
            this._cursor.advance();
            return true;
        }
        return false;
    }
    _attemptCharCodeCaseInsensitive(charCode) {
        if (compareCharCodeCaseInsensitive(this._cursor.peek(), charCode)) {
            this._cursor.advance();
            return true;
        }
        return false;
    }
    _requireCharCode(charCode) {
        const location = this._cursor.clone();
        if (!this._attemptCharCode(charCode)) {
            throw this._createError(_unexpectedCharacterErrorMsg(this._cursor.peek()), this._cursor.getSpan(location));
        }
    }
    _attemptStr(chars) {
        const len = chars.length;
        if (this._cursor.charsLeft() < len) {
            return false;
        }
        const initialPosition = this._cursor.clone();
        for (let i = 0; i < len; i++) {
            if (!this._attemptCharCode(chars.charCodeAt(i))) {
                // If attempting to parse the string fails, we want to reset the parser
                // to where it was before the attempt
                this._cursor = initialPosition;
                return false;
            }
        }
        return true;
    }
    _attemptStrCaseInsensitive(chars) {
        for (let i = 0; i < chars.length; i++) {
            if (!this._attemptCharCodeCaseInsensitive(chars.charCodeAt(i))) {
                return false;
            }
        }
        return true;
    }
    _requireStr(chars) {
        const location = this._cursor.clone();
        if (!this._attemptStr(chars)) {
            throw this._createError(_unexpectedCharacterErrorMsg(this._cursor.peek()), this._cursor.getSpan(location));
        }
    }
    _attemptCharCodeUntilFn(predicate) {
        while (!predicate(this._cursor.peek())) {
            this._cursor.advance();
        }
    }
    _requireCharCodeUntilFn(predicate, len) {
        const start = this._cursor.clone();
        this._attemptCharCodeUntilFn(predicate);
        if (this._cursor.diff(start) < len) {
            throw this._createError(_unexpectedCharacterErrorMsg(this._cursor.peek()), this._cursor.getSpan(start));
        }
    }
    _attemptUntilChar(char) {
        while (this._cursor.peek() !== char) {
            this._cursor.advance();
        }
    }
    _readChar(decodeEntities) {
        if (decodeEntities && this._cursor.peek() === $AMPERSAND) {
            return this._decodeEntity();
        }
        else {
            // Don't rely upon reading directly from `_input` as the actual char value
            // may have been generated from an escape sequence.
            const char = String.fromCodePoint(this._cursor.peek());
            this._cursor.advance();
            return char;
        }
    }
    _decodeEntity() {
        const start = this._cursor.clone();
        this._cursor.advance();
        if (this._attemptCharCode($HASH)) {
            const isHex = this._attemptCharCode($x) || this._attemptCharCode($X);
            const codeStart = this._cursor.clone();
            this._attemptCharCodeUntilFn(isDigitEntityEnd);
            if (this._cursor.peek() != $SEMICOLON) {
                // Advance cursor to include the peeked character in the string provided to the error
                // message.
                this._cursor.advance();
                const entityType = isHex ? CharacterReferenceType.HEX : CharacterReferenceType.DEC;
                throw this._createError(_unparsableEntityErrorMsg(entityType, this._cursor.getChars(start)), this._cursor.getSpan());
            }
            const strNum = this._cursor.getChars(codeStart);
            this._cursor.advance();
            try {
                const charCode = parseInt(strNum, isHex ? 16 : 10);
                return String.fromCharCode(charCode);
            }
            catch (_a) {
                throw this._createError(_unknownEntityErrorMsg(this._cursor.getChars(start)), this._cursor.getSpan());
            }
        }
        else {
            const nameStart = this._cursor.clone();
            this._attemptCharCodeUntilFn(isNamedEntityEnd);
            if (this._cursor.peek() != $SEMICOLON) {
                this._cursor = nameStart;
                return '&';
            }
            const name = this._cursor.getChars(nameStart);
            this._cursor.advance();
            const char = NAMED_ENTITIES[name];
            if (!char) {
                throw this._createError(_unknownEntityErrorMsg(name), this._cursor.getSpan(start));
            }
            return char;
        }
    }
    _consumeRawText(decodeEntities, endMarkerPredicate) {
        this._beginToken(decodeEntities ? TokenType.ESCAPABLE_RAW_TEXT : TokenType.RAW_TEXT);
        const parts = [];
        while (true) {
            const tagCloseStart = this._cursor.clone();
            const foundEndMarker = endMarkerPredicate();
            this._cursor = tagCloseStart;
            if (foundEndMarker) {
                break;
            }
            parts.push(this._readChar(decodeEntities));
        }
        return this._endToken([this._processCarriageReturns(parts.join(''))]);
    }
    _consumeComment(start) {
        this._beginToken(TokenType.COMMENT_START, start);
        this._requireCharCode($MINUS);
        this._endToken([]);
        this._consumeRawText(false, () => this._attemptStr('-->'));
        this._beginToken(TokenType.COMMENT_END);
        this._requireStr('-->');
        this._endToken([]);
    }
    _consumeCdata(start) {
        this._beginToken(TokenType.CDATA_START, start);
        this._requireStr('CDATA[');
        this._endToken([]);
        this._consumeRawText(false, () => this._attemptStr(']]>'));
        this._beginToken(TokenType.CDATA_END);
        this._requireStr(']]>');
        this._endToken([]);
    }
    _consumeDocType(start) {
        this._beginToken(TokenType.DOC_TYPE, start);
        const contentStart = this._cursor.clone();
        this._attemptUntilChar($GT);
        const content = this._cursor.getChars(contentStart);
        this._cursor.advance();
        this._endToken([content]);
    }
    _consumePrefixAndName() {
        const nameOrPrefixStart = this._cursor.clone();
        let prefix = '';
        while (this._cursor.peek() !== $COLON && !isPrefixEnd(this._cursor.peek())) {
            this._cursor.advance();
        }
        let nameStart;
        if (this._cursor.peek() === $COLON) {
            prefix = this._cursor.getChars(nameOrPrefixStart);
            this._cursor.advance();
            nameStart = this._cursor.clone();
        }
        else {
            nameStart = nameOrPrefixStart;
        }
        this._requireCharCodeUntilFn(isNameEnd, prefix === '' ? 0 : 1);
        const name = this._cursor.getChars(nameStart);
        return [prefix, name];
    }
    _consumeTagOpen(start) {
        let tagName;
        let prefix;
        let openTagToken;
        try {
            if (!isAsciiLetter(this._cursor.peek())) {
                throw this._createError(_unexpectedCharacterErrorMsg(this._cursor.peek()), this._cursor.getSpan(start));
            }
            openTagToken = this._consumeTagOpenStart(start);
            prefix = openTagToken.parts[0];
            tagName = openTagToken.parts[1];
            this._attemptCharCodeUntilFn(isNotWhitespace);
            while (this._cursor.peek() !== $SLASH && this._cursor.peek() !== $GT &&
                this._cursor.peek() !== $LT && this._cursor.peek() !== $EOF) {
                this._consumeAttributeName();
                this._attemptCharCodeUntilFn(isNotWhitespace);
                if (this._attemptCharCode($EQ)) {
                    this._attemptCharCodeUntilFn(isNotWhitespace);
                    this._consumeAttributeValue();
                }
                this._attemptCharCodeUntilFn(isNotWhitespace);
            }
            this._consumeTagOpenEnd();
        }
        catch (e) {
            if (e instanceof _ControlFlowError) {
                if (openTagToken) {
                    // We errored before we could close the opening tag, so it is incomplete.
                    openTagToken.type = TokenType.INCOMPLETE_TAG_OPEN;
                }
                else {
                    // When the start tag is invalid, assume we want a "<" as text.
                    // Back to back text tokens are merged at the end.
                    this._beginToken(TokenType.TEXT, start);
                    this._endToken(['<']);
                }
                return;
            }
            throw e;
        }
        const contentTokenType = this._getTagDefinition(tagName).getContentType(prefix);
        if (contentTokenType === TagContentType.RAW_TEXT) {
            this._consumeRawTextWithTagClose(prefix, tagName, false);
        }
        else if (contentTokenType === TagContentType.ESCAPABLE_RAW_TEXT) {
            this._consumeRawTextWithTagClose(prefix, tagName, true);
        }
    }
    _consumeRawTextWithTagClose(prefix, tagName, decodeEntities) {
        this._consumeRawText(decodeEntities, () => {
            if (!this._attemptCharCode($LT))
                return false;
            if (!this._attemptCharCode($SLASH))
                return false;
            this._attemptCharCodeUntilFn(isNotWhitespace);
            if (!this._attemptStrCaseInsensitive(tagName))
                return false;
            this._attemptCharCodeUntilFn(isNotWhitespace);
            return this._attemptCharCode($GT);
        });
        this._beginToken(TokenType.TAG_CLOSE);
        this._requireCharCodeUntilFn(code => code === $GT, 3);
        this._cursor.advance(); // Consume the `>`
        this._endToken([prefix, tagName]);
    }
    _consumeTagOpenStart(start) {
        this._beginToken(TokenType.TAG_OPEN_START, start);
        const parts = this._consumePrefixAndName();
        return this._endToken(parts);
    }
    _consumeAttributeName() {
        const attrNameStart = this._cursor.peek();
        if (attrNameStart === $SQ || attrNameStart === $DQ) {
            throw this._createError(_unexpectedCharacterErrorMsg(attrNameStart), this._cursor.getSpan());
        }
        this._beginToken(TokenType.ATTR_NAME);
        const prefixAndName = this._consumePrefixAndName();
        this._endToken(prefixAndName);
    }
    _consumeAttributeValue() {
        let value;
        if (this._cursor.peek() === $SQ || this._cursor.peek() === $DQ) {
            this._beginToken(TokenType.ATTR_QUOTE);
            const quoteChar = this._cursor.peek();
            this._cursor.advance();
            this._endToken([String.fromCodePoint(quoteChar)]);
            this._beginToken(TokenType.ATTR_VALUE);
            const parts = [];
            while (this._cursor.peek() !== quoteChar) {
                parts.push(this._readChar(true));
            }
            value = parts.join('');
            this._endToken([this._processCarriageReturns(value)]);
            this._beginToken(TokenType.ATTR_QUOTE);
            this._cursor.advance();
            this._endToken([String.fromCodePoint(quoteChar)]);
        }
        else {
            this._beginToken(TokenType.ATTR_VALUE);
            const valueStart = this._cursor.clone();
            this._requireCharCodeUntilFn(isNameEnd, 1);
            value = this._cursor.getChars(valueStart);
            this._endToken([this._processCarriageReturns(value)]);
        }
    }
    _consumeTagOpenEnd() {
        const tokenType = this._attemptCharCode($SLASH) ? TokenType.TAG_OPEN_END_VOID : TokenType.TAG_OPEN_END;
        this._beginToken(tokenType);
        this._requireCharCode($GT);
        this._endToken([]);
    }
    _consumeTagClose(start) {
        this._beginToken(TokenType.TAG_CLOSE, start);
        this._attemptCharCodeUntilFn(isNotWhitespace);
        const prefixAndName = this._consumePrefixAndName();
        this._attemptCharCodeUntilFn(isNotWhitespace);
        this._requireCharCode($GT);
        this._endToken(prefixAndName);
    }
    _consumeExpansionFormStart() {
        this._beginToken(TokenType.EXPANSION_FORM_START);
        this._requireCharCode($LBRACE);
        this._endToken([]);
        this._expansionCaseStack.push(TokenType.EXPANSION_FORM_START);
        this._beginToken(TokenType.RAW_TEXT);
        const condition = this._readUntil($COMMA);
        const normalizedCondition = this._processCarriageReturns(condition);
        if (this._i18nNormalizeLineEndingsInICUs) {
            // We explicitly want to normalize line endings for this text.
            this._endToken([normalizedCondition]);
        }
        else {
            // We are not normalizing line endings.
            const conditionToken = this._endToken([condition]);
            if (normalizedCondition !== condition) {
                this.nonNormalizedIcuExpressions.push(conditionToken);
            }
        }
        this._requireCharCode($COMMA);
        this._attemptCharCodeUntilFn(isNotWhitespace);
        this._beginToken(TokenType.RAW_TEXT);
        const type = this._readUntil($COMMA);
        this._endToken([type]);
        this._requireCharCode($COMMA);
        this._attemptCharCodeUntilFn(isNotWhitespace);
    }
    _consumeExpansionCaseStart() {
        this._beginToken(TokenType.EXPANSION_CASE_VALUE);
        const value = this._readUntil($LBRACE).trim();
        this._endToken([value]);
        this._attemptCharCodeUntilFn(isNotWhitespace);
        this._beginToken(TokenType.EXPANSION_CASE_EXP_START);
        this._requireCharCode($LBRACE);
        this._endToken([]);
        this._attemptCharCodeUntilFn(isNotWhitespace);
        this._expansionCaseStack.push(TokenType.EXPANSION_CASE_EXP_START);
    }
    _consumeExpansionCaseEnd() {
        this._beginToken(TokenType.EXPANSION_CASE_EXP_END);
        this._requireCharCode($RBRACE);
        this._endToken([]);
        this._attemptCharCodeUntilFn(isNotWhitespace);
        this._expansionCaseStack.pop();
    }
    _consumeExpansionFormEnd() {
        this._beginToken(TokenType.EXPANSION_FORM_END);
        this._requireCharCode($RBRACE);
        this._endToken([]);
        this._expansionCaseStack.pop();
    }
    _consumeText() {
        const start = this._cursor.clone();
        this._beginToken(TokenType.TEXT, start);
        const parts = [];
        do {
            if (this._interpolationConfig && this._attemptStr(this._interpolationConfig.start)) {
                parts.push(this._interpolationConfig.start);
                this._inInterpolation = true;
            }
            else if (this._interpolationConfig && this._inInterpolation &&
                this._attemptStr(this._interpolationConfig.end)) {
                parts.push(this._interpolationConfig.end);
                this._inInterpolation = false;
            }
            else {
                parts.push(this._readChar(true));
            }
        } while (!this._isTextEnd());
        // It is possible that an interpolation was started but not ended inside this text token.
        // Make sure that we reset the state of the lexer correctly.
        this._inInterpolation = false;
        this._endToken([this._processCarriageReturns(parts.join(''))]);
    }
    _isTextEnd() {
        if (this._isTagStart() || this._cursor.peek() === $EOF) {
            return true;
        }
        if (this._tokenizeIcu && !this._inInterpolation) {
            if (this.isExpansionFormStart()) {
                // start of an expansion form
                return true;
            }
            if (this._cursor.peek() === $RBRACE && this._isInExpansionCase()) {
                // end of and expansion case
                return true;
            }
        }
        return false;
    }
    /**
     * Returns true if the current cursor is pointing to the start of a tag
     * (opening/closing/comments/cdata/etc).
     */
    _isTagStart() {
        if (this._cursor.peek() === $LT) {
            // We assume that `<` followed by whitespace is not the start of an HTML element.
            const tmp = this._cursor.clone();
            tmp.advance();
            // If the next character is alphabetic, ! nor / then it is a tag start
            const code = tmp.peek();
            if (($a <= code && code <= $z) || ($A <= code && code <= $Z) ||
                code === $SLASH || code === $BANG) {
                return true;
            }
        }
        return false;
    }
    _readUntil(char) {
        const start = this._cursor.clone();
        this._attemptUntilChar(char);
        return this._cursor.getChars(start);
    }
    _isInExpansionCase() {
        return this._expansionCaseStack.length > 0 &&
            this._expansionCaseStack[this._expansionCaseStack.length - 1] ===
                TokenType.EXPANSION_CASE_EXP_START;
    }
    _isInExpansionForm() {
        return this._expansionCaseStack.length > 0 &&
            this._expansionCaseStack[this._expansionCaseStack.length - 1] ===
                TokenType.EXPANSION_FORM_START;
    }
    isExpansionFormStart() {
        if (this._cursor.peek() !== $LBRACE) {
            return false;
        }
        if (this._interpolationConfig) {
            const start = this._cursor.clone();
            const isInterpolation = this._attemptStr(this._interpolationConfig.start);
            this._cursor = start;
            return !isInterpolation;
        }
        return true;
    }
}
function isNotWhitespace(code) {
    return !isWhitespace(code) || code === $EOF;
}
function isNameEnd(code) {
    return isWhitespace(code) || code === $GT || code === $LT ||
        code === $SLASH || code === $SQ || code === $DQ || code === $EQ ||
        code === $EOF;
}
function isPrefixEnd(code) {
    return (code < $a || $z < code) && (code < $A || $Z < code) &&
        (code < $0 || code > $9);
}
function isDigitEntityEnd(code) {
    return code == $SEMICOLON || code == $EOF || !isAsciiHexDigit(code);
}
function isNamedEntityEnd(code) {
    return code == $SEMICOLON || code == $EOF || !isAsciiLetter(code);
}
function isExpansionCaseStart(peek) {
    return peek !== $RBRACE;
}
function compareCharCodeCaseInsensitive(code1, code2) {
    return toUpperCaseCharCode(code1) == toUpperCaseCharCode(code2);
}
function toUpperCaseCharCode(code) {
    return code >= $a && code <= $z ? code - $a + $A : code;
}
function mergeTextTokens(srcTokens) {
    const dstTokens = [];
    let lastDstToken = undefined;
    for (let i = 0; i < srcTokens.length; i++) {
        const token = srcTokens[i];
        if (lastDstToken && lastDstToken.type == TokenType.TEXT && token.type == TokenType.TEXT) {
            lastDstToken.parts[0] += token.parts[0];
            lastDstToken.sourceSpan.end = token.sourceSpan.end;
        }
        else {
            lastDstToken = token;
            dstTokens.push(lastDstToken);
        }
    }
    return dstTokens;
}
class PlainCharacterCursor {
    constructor(fileOrCursor, range) {
        if (fileOrCursor instanceof PlainCharacterCursor) {
            this.file = fileOrCursor.file;
            this.input = fileOrCursor.input;
            this.end = fileOrCursor.end;
            const state = fileOrCursor.state;
            // Note: avoid using `{...fileOrCursor.state}` here as that has a severe performance penalty.
            // In ES5 bundles the object spread operator is translated into the `__assign` helper, which
            // is not optimized by VMs as efficiently as a raw object literal. Since this constructor is
            // called in tight loops, this difference matters.
            this.state = {
                peek: state.peek,
                offset: state.offset,
                line: state.line,
                column: state.column,
            };
        }
        else {
            if (!range) {
                throw new Error('Programming error: the range argument must be provided with a file argument.');
            }
            this.file = fileOrCursor;
            this.input = fileOrCursor.content;
            this.end = range.endPos;
            this.state = {
                peek: -1,
                offset: range.startPos,
                line: range.startLine,
                column: range.startCol,
            };
        }
    }
    clone() {
        return new PlainCharacterCursor(this);
    }
    peek() {
        return this.state.peek;
    }
    charsLeft() {
        return this.end - this.state.offset;
    }
    diff(other) {
        return this.state.offset - other.state.offset;
    }
    advance() {
        this.advanceState(this.state);
    }
    init() {
        this.updatePeek(this.state);
    }
    getSpan(start, leadingTriviaCodePoints) {
        start = start || this;
        let fullStart = start;
        if (leadingTriviaCodePoints) {
            while (this.diff(start) > 0 && leadingTriviaCodePoints.indexOf(start.peek()) !== -1) {
                if (fullStart === start) {
                    start = start.clone();
                }
                start.advance();
            }
        }
        const startLocation = this.locationFromCursor(start);
        const endLocation = this.locationFromCursor(this);
        const fullStartLocation = fullStart !== start ? this.locationFromCursor(fullStart) : startLocation;
        return new ParseSourceSpan(startLocation, endLocation, fullStartLocation);
    }
    getChars(start) {
        return this.input.substring(start.state.offset, this.state.offset);
    }
    charAt(pos) {
        return this.input.charCodeAt(pos);
    }
    advanceState(state) {
        if (state.offset >= this.end) {
            this.state = state;
            throw new CursorError('Unexpected character "EOF"', this);
        }
        const currentChar = this.charAt(state.offset);
        if (currentChar === $LF) {
            state.line++;
            state.column = 0;
        }
        else if (!isNewLine(currentChar)) {
            state.column++;
        }
        state.offset++;
        this.updatePeek(state);
    }
    updatePeek(state) {
        state.peek = state.offset >= this.end ? $EOF : this.charAt(state.offset);
    }
    locationFromCursor(cursor) {
        return new ParseLocation(cursor.file, cursor.state.offset, cursor.state.line, cursor.state.column);
    }
}
class EscapedCharacterCursor extends PlainCharacterCursor {
    constructor(fileOrCursor, range) {
        if (fileOrCursor instanceof EscapedCharacterCursor) {
            super(fileOrCursor);
            this.internalState = Object.assign({}, fileOrCursor.internalState);
        }
        else {
            super(fileOrCursor, range);
            this.internalState = this.state;
        }
    }
    advance() {
        this.state = this.internalState;
        super.advance();
        this.processEscapeSequence();
    }
    init() {
        super.init();
        this.processEscapeSequence();
    }
    clone() {
        return new EscapedCharacterCursor(this);
    }
    getChars(start) {
        const cursor = start.clone();
        let chars = '';
        while (cursor.internalState.offset < this.internalState.offset) {
            chars += String.fromCodePoint(cursor.peek());
            cursor.advance();
        }
        return chars;
    }
    /**
     * Process the escape sequence that starts at the current position in the text.
     *
     * This method is called to ensure that `peek` has the unescaped value of escape sequences.
     */
    processEscapeSequence() {
        const peek = () => this.internalState.peek;
        if (peek() === $BACKSLASH) {
            // We have hit an escape sequence so we need the internal state to become independent
            // of the external state.
            this.internalState = Object.assign({}, this.state);
            // Move past the backslash
            this.advanceState(this.internalState);
            // First check for standard control char sequences
            if (peek() === $n) {
                this.state.peek = $LF;
            }
            else if (peek() === $r) {
                this.state.peek = $CR;
            }
            else if (peek() === $v) {
                this.state.peek = $VTAB;
            }
            else if (peek() === $t) {
                this.state.peek = $TAB;
            }
            else if (peek() === $b) {
                this.state.peek = $BSPACE;
            }
            else if (peek() === $f) {
                this.state.peek = $FF;
            }
            // Now consider more complex sequences
            else if (peek() === $u) {
                // Unicode code-point sequence
                this.advanceState(this.internalState); // advance past the `u` char
                if (peek() === $LBRACE) {
                    // Variable length Unicode, e.g. `\x{123}`
                    this.advanceState(this.internalState); // advance past the `{` char
                    // Advance past the variable number of hex digits until we hit a `}` char
                    const digitStart = this.clone();
                    let length = 0;
                    while (peek() !== $RBRACE) {
                        this.advanceState(this.internalState);
                        length++;
                    }
                    this.state.peek = this.decodeHexDigits(digitStart, length);
                }
                else {
                    // Fixed length Unicode, e.g. `\u1234`
                    const digitStart = this.clone();
                    this.advanceState(this.internalState);
                    this.advanceState(this.internalState);
                    this.advanceState(this.internalState);
                    this.state.peek = this.decodeHexDigits(digitStart, 4);
                }
            }
            else if (peek() === $x) {
                // Hex char code, e.g. `\x2F`
                this.advanceState(this.internalState); // advance past the `x` char
                const digitStart = this.clone();
                this.advanceState(this.internalState);
                this.state.peek = this.decodeHexDigits(digitStart, 2);
            }
            else if (isOctalDigit(peek())) {
                // Octal char code, e.g. `\012`,
                let octal = '';
                let length = 0;
                let previous = this.clone();
                while (isOctalDigit(peek()) && length < 3) {
                    previous = this.clone();
                    octal += String.fromCodePoint(peek());
                    this.advanceState(this.internalState);
                    length++;
                }
                this.state.peek = parseInt(octal, 8);
                // Backup one char
                this.internalState = previous.internalState;
            }
            else if (isNewLine(this.internalState.peek)) {
                // Line continuation `\` followed by a new line
                this.advanceState(this.internalState); // advance over the newline
                this.state = this.internalState;
            }
            else {
                // If none of the `if` blocks were executed then we just have an escaped normal character.
                // In that case we just, effectively, skip the backslash from the character.
                this.state.peek = this.internalState.peek;
            }
        }
    }
    decodeHexDigits(start, length) {
        const hex = this.input.substr(start.internalState.offset, length);
        const charCode = parseInt(hex, 16);
        if (!isNaN(charCode)) {
            return charCode;
        }
        else {
            start.state = start.internalState;
            throw new CursorError('Invalid hexadecimal escape sequence', start);
        }
    }
}
class CursorError {
    constructor(msg, cursor) {
        this.msg = msg;
        this.cursor = cursor;
    }
}

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
class TreeError extends ParseError {
    constructor(elementName, span, msg) {
        super(span, msg);
        this.elementName = elementName;
    }
    static create(elementName, span, msg) {
        return new TreeError(elementName, span, msg);
    }
}
class ParseTreeResult {
    constructor(rootNodes, errors) {
        this.rootNodes = rootNodes;
        this.errors = errors;
    }
}
class Parser {
    constructor(getTagDefinition) {
        this.getTagDefinition = getTagDefinition;
    }
    parse(source, url, options) {
        const tokenizeResult = tokenize(source, url, this.getTagDefinition, options);
        const parser = new _TreeBuilder(tokenizeResult.tokens, this.getTagDefinition);
        parser.build();
        return new ParseTreeResult(parser.rootNodes, tokenizeResult.errors.concat(parser.errors));
    }
}
class _TreeBuilder {
    constructor(tokens, getTagDefinition) {
        this.tokens = tokens;
        this.getTagDefinition = getTagDefinition;
        this._index = -1;
        this._elementStack = [];
        this.rootNodes = [];
        this.errors = [];
        this._advance();
    }
    build() {
        while (this._peek.type !== TokenType.EOF) {
            if (this._peek.type === TokenType.TAG_OPEN_START ||
                this._peek.type === TokenType.INCOMPLETE_TAG_OPEN) {
                this._consumeStartTag(this._advance());
            }
            else if (this._peek.type === TokenType.TAG_CLOSE) {
                this._consumeEndTag(this._advance());
            }
            else if (this._peek.type === TokenType.CDATA_START) {
                this._closeVoidElement();
                this._consumeCdata(this._advance());
            }
            else if (this._peek.type === TokenType.COMMENT_START) {
                this._closeVoidElement();
                this._consumeComment(this._advance());
            }
            else if (this._peek.type === TokenType.TEXT || this._peek.type === TokenType.RAW_TEXT ||
                this._peek.type === TokenType.ESCAPABLE_RAW_TEXT) {
                this._closeVoidElement();
                this._consumeText(this._advance());
            }
            else if (this._peek.type === TokenType.EXPANSION_FORM_START) {
                this._consumeExpansion(this._advance());
            }
            else {
                // Skip all other tokens...
                this._advance();
            }
        }
    }
    _advance() {
        const prev = this._peek;
        if (this._index < this.tokens.length - 1) {
            // Note: there is always an EOF token at the end
            this._index++;
        }
        this._peek = this.tokens[this._index];
        return prev;
    }
    _advanceIf(type) {
        if (this._peek.type === type) {
            return this._advance();
        }
        return null;
    }
    _consumeCdata(_startToken) {
        this._consumeText(this._advance());
        this._advanceIf(TokenType.CDATA_END);
    }
    _consumeComment(token) {
        const text = this._advanceIf(TokenType.RAW_TEXT);
        this._advanceIf(TokenType.COMMENT_END);
        const value = text != null ? text.parts[0].trim() : null;
        this._addToParent(new Comment$1(value, token.sourceSpan));
    }
    _consumeExpansion(token) {
        const switchValue = this._advance();
        const type = this._advance();
        const cases = [];
        // read =
        while (this._peek.type === TokenType.EXPANSION_CASE_VALUE) {
            const expCase = this._parseExpansionCase();
            if (!expCase)
                return; // error
            cases.push(expCase);
        }
        // read the final }
        if (this._peek.type !== TokenType.EXPANSION_FORM_END) {
            this.errors.push(TreeError.create(null, this._peek.sourceSpan, `Invalid ICU message. Missing '}'.`));
            return;
        }
        const sourceSpan = new ParseSourceSpan(token.sourceSpan.start, this._peek.sourceSpan.end, token.sourceSpan.fullStart);
        this._addToParent(new Expansion(switchValue.parts[0], type.parts[0], cases, sourceSpan, switchValue.sourceSpan));
        this._advance();
    }
    _parseExpansionCase() {
        const value = this._advance();
        // read {
        if (this._peek.type !== TokenType.EXPANSION_CASE_EXP_START) {
            this.errors.push(TreeError.create(null, this._peek.sourceSpan, `Invalid ICU message. Missing '{'.`));
            return null;
        }
        // read until }
        const start = this._advance();
        const exp = this._collectExpansionExpTokens(start);
        if (!exp)
            return null;
        const end = this._advance();
        exp.push(new Token(TokenType.EOF, [], end.sourceSpan));
        // parse everything in between { and }
        const expansionCaseParser = new _TreeBuilder(exp, this.getTagDefinition);
        expansionCaseParser.build();
        if (expansionCaseParser.errors.length > 0) {
            this.errors = this.errors.concat(expansionCaseParser.errors);
            return null;
        }
        const sourceSpan = new ParseSourceSpan(value.sourceSpan.start, end.sourceSpan.end, value.sourceSpan.fullStart);
        const expSourceSpan = new ParseSourceSpan(start.sourceSpan.start, end.sourceSpan.end, start.sourceSpan.fullStart);
        return new ExpansionCase(value.parts[0], expansionCaseParser.rootNodes, sourceSpan, value.sourceSpan, expSourceSpan);
    }
    _collectExpansionExpTokens(start) {
        const exp = [];
        const expansionFormStack = [TokenType.EXPANSION_CASE_EXP_START];
        while (true) {
            if (this._peek.type === TokenType.EXPANSION_FORM_START ||
                this._peek.type === TokenType.EXPANSION_CASE_EXP_START) {
                expansionFormStack.push(this._peek.type);
            }
            if (this._peek.type === TokenType.EXPANSION_CASE_EXP_END) {
                if (lastOnStack(expansionFormStack, TokenType.EXPANSION_CASE_EXP_START)) {
                    expansionFormStack.pop();
                    if (expansionFormStack.length == 0)
                        return exp;
                }
                else {
                    this.errors.push(TreeError.create(null, start.sourceSpan, `Invalid ICU message. Missing '}'.`));
                    return null;
                }
            }
            if (this._peek.type === TokenType.EXPANSION_FORM_END) {
                if (lastOnStack(expansionFormStack, TokenType.EXPANSION_FORM_START)) {
                    expansionFormStack.pop();
                }
                else {
                    this.errors.push(TreeError.create(null, start.sourceSpan, `Invalid ICU message. Missing '}'.`));
                    return null;
                }
            }
            if (this._peek.type === TokenType.EOF) {
                this.errors.push(TreeError.create(null, start.sourceSpan, `Invalid ICU message. Missing '}'.`));
                return null;
            }
            exp.push(this._advance());
        }
    }
    _consumeText(token) {
        let text = token.parts[0];
        if (text.length > 0 && text[0] == '\n') {
            const parent = this._getParentElement();
            if (parent != null && parent.children.length == 0 &&
                this.getTagDefinition(parent.name).ignoreFirstLf) {
                text = text.substring(1);
            }
        }
        if (text.length > 0) {
            this._addToParent(new Text$3(text, token.sourceSpan));
        }
    }
    _closeVoidElement() {
        const el = this._getParentElement();
        if (el && this.getTagDefinition(el.name).isVoid) {
            this._elementStack.pop();
        }
    }
    _consumeStartTag(startTagToken) {
        const [prefix, name] = startTagToken.parts;
        const attrs = [];
        while (this._peek.type === TokenType.ATTR_NAME) {
            attrs.push(this._consumeAttr(this._advance()));
        }
        const fullName = this._getElementFullName(prefix, name, this._getParentElement());
        let selfClosing = false;
        // Note: There could have been a tokenizer error
        // so that we don't get a token for the end tag...
        if (this._peek.type === TokenType.TAG_OPEN_END_VOID) {
            this._advance();
            selfClosing = true;
            const tagDef = this.getTagDefinition(fullName);
            if (!(tagDef.canSelfClose || getNsPrefix(fullName) !== null || tagDef.isVoid)) {
                this.errors.push(TreeError.create(fullName, startTagToken.sourceSpan, `Only void and foreign elements can be self closed "${startTagToken.parts[1]}"`));
            }
        }
        else if (this._peek.type === TokenType.TAG_OPEN_END) {
            this._advance();
            selfClosing = false;
        }
        const end = this._peek.sourceSpan.fullStart;
        const span = new ParseSourceSpan(startTagToken.sourceSpan.start, end, startTagToken.sourceSpan.fullStart);
        // Create a separate `startSpan` because `span` will be modified when there is an `end` span.
        const startSpan = new ParseSourceSpan(startTagToken.sourceSpan.start, end, startTagToken.sourceSpan.fullStart);
        const el = new Element$1(fullName, attrs, [], span, startSpan, undefined);
        this._pushElement(el);
        if (selfClosing) {
            // Elements that are self-closed have their `endSourceSpan` set to the full span, as the
            // element start tag also represents the end tag.
            this._popElement(fullName, span);
        }
        else if (startTagToken.type === TokenType.INCOMPLETE_TAG_OPEN) {
            // We already know the opening tag is not complete, so it is unlikely it has a corresponding
            // close tag. Let's optimistically parse it as a full element and emit an error.
            this._popElement(fullName, null);
            this.errors.push(TreeError.create(fullName, span, `Opening tag "${fullName}" not terminated.`));
        }
    }
    _pushElement(el) {
        const parentEl = this._getParentElement();
        if (parentEl && this.getTagDefinition(parentEl.name).isClosedByChild(el.name)) {
            this._elementStack.pop();
        }
        this._addToParent(el);
        this._elementStack.push(el);
    }
    _consumeEndTag(endTagToken) {
        const fullName = this._getElementFullName(endTagToken.parts[0], endTagToken.parts[1], this._getParentElement());
        if (this.getTagDefinition(fullName).isVoid) {
            this.errors.push(TreeError.create(fullName, endTagToken.sourceSpan, `Void elements do not have end tags "${endTagToken.parts[1]}"`));
        }
        else if (!this._popElement(fullName, endTagToken.sourceSpan)) {
            const errMsg = `Unexpected closing tag "${fullName}". It may happen when the tag has already been closed by another tag. For more info see https://www.w3.org/TR/html5/syntax.html#closing-elements-that-have-implied-end-tags`;
            this.errors.push(TreeError.create(fullName, endTagToken.sourceSpan, errMsg));
        }
    }
    /**
     * Closes the nearest element with the tag name `fullName` in the parse tree.
     * `endSourceSpan` is the span of the closing tag, or null if the element does
     * not have a closing tag (for example, this happens when an incomplete
     * opening tag is recovered).
     */
    _popElement(fullName, endSourceSpan) {
        let unexpectedCloseTagDetected = false;
        for (let stackIndex = this._elementStack.length - 1; stackIndex >= 0; stackIndex--) {
            const el = this._elementStack[stackIndex];
            if (el.name == fullName) {
                // Record the parse span with the element that is being closed. Any elements that are
                // removed from the element stack at this point are closed implicitly, so they won't get
                // an end source span (as there is no explicit closing element).
                el.endSourceSpan = endSourceSpan;
                el.sourceSpan.end = endSourceSpan !== null ? endSourceSpan.end : el.sourceSpan.end;
                this._elementStack.splice(stackIndex, this._elementStack.length - stackIndex);
                return !unexpectedCloseTagDetected;
            }
            if (!this.getTagDefinition(el.name).closedByParent) {
                // Note that we encountered an unexpected close tag but continue processing the element
                // stack so we can assign an `endSourceSpan` if there is a corresponding start tag for this
                // end tag in the stack.
                unexpectedCloseTagDetected = true;
            }
        }
        return false;
    }
    _consumeAttr(attrName) {
        const fullName = mergeNsAndName(attrName.parts[0], attrName.parts[1]);
        let end = attrName.sourceSpan.end;
        let value = '';
        let valueSpan = undefined;
        if (this._peek.type === TokenType.ATTR_QUOTE) {
            this._advance();
        }
        if (this._peek.type === TokenType.ATTR_VALUE) {
            const valueToken = this._advance();
            value = valueToken.parts[0];
            end = valueToken.sourceSpan.end;
            valueSpan = valueToken.sourceSpan;
        }
        if (this._peek.type === TokenType.ATTR_QUOTE) {
            const quoteToken = this._advance();
            end = quoteToken.sourceSpan.end;
        }
        const keySpan = new ParseSourceSpan(attrName.sourceSpan.start, attrName.sourceSpan.end);
        return new Attribute(fullName, value, new ParseSourceSpan(attrName.sourceSpan.start, end, attrName.sourceSpan.fullStart), keySpan, valueSpan);
    }
    _getParentElement() {
        return this._elementStack.length > 0 ? this._elementStack[this._elementStack.length - 1] : null;
    }
    _addToParent(node) {
        const parent = this._getParentElement();
        if (parent != null) {
            parent.children.push(node);
        }
        else {
            this.rootNodes.push(node);
        }
    }
    _getElementFullName(prefix, localName, parentElement) {
        if (prefix === '') {
            prefix = this.getTagDefinition(localName).implicitNamespacePrefix || '';
            if (prefix === '' && parentElement != null) {
                const parentTagName = splitNsName(parentElement.name)[1];
                const parentTagDefinition = this.getTagDefinition(parentTagName);
                if (!parentTagDefinition.preventNamespaceInheritance) {
                    prefix = getNsPrefix(parentElement.name);
                }
            }
        }
        return mergeNsAndName(prefix, localName);
    }
}
function lastOnStack(stack, element) {
    return stack.length > 0 && stack[stack.length - 1] === element;
}

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
class HtmlParser extends Parser {
    constructor() {
        super(getHtmlTagDefinition);
    }
    parse(source, url, options) {
        return super.parse(source, url, options);
    }
}

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
const PRESERVE_WS_ATTR_NAME = 'ngPreserveWhitespaces';
const SKIP_WS_TRIM_TAGS = new Set(['pre', 'template', 'textarea', 'script', 'style']);
// Equivalent to \s with \u00a0 (non-breaking space) excluded.
// Based on https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/RegExp
const WS_CHARS = ' \f\n\r\t\v\u1680\u180e\u2000-\u200a\u2028\u2029\u202f\u205f\u3000\ufeff';
const NO_WS_REGEXP = new RegExp(`[^${WS_CHARS}]`);
const WS_REPLACE_REGEXP = new RegExp(`[${WS_CHARS}]{2,}`, 'g');
function hasPreserveWhitespacesAttr(attrs) {
    return attrs.some((attr) => attr.name === PRESERVE_WS_ATTR_NAME);
}
/**
 * Angular Dart introduced &ngsp; as a placeholder for non-removable space, see:
 * https://github.com/dart-lang/angular/blob/0bb611387d29d65b5af7f9d2515ab571fd3fbee4/_tests/test/compiler/preserve_whitespace_test.dart#L25-L32
 * In Angular Dart &ngsp; is converted to the 0xE500 PUA (Private Use Areas) unicode character
 * and later on replaced by a space. We are re-implementing the same idea here.
 */
function replaceNgsp(value) {
    // lexer is replacing the &ngsp; pseudo-entity with NGSP_UNICODE
    return value.replace(new RegExp(NGSP_UNICODE, 'g'), ' ');
}
/**
 * This visitor can walk HTML parse tree and remove / trim text nodes using the following rules:
 * - consider spaces, tabs and new lines as whitespace characters;
 * - drop text nodes consisting of whitespace characters only;
 * - for all other text nodes replace consecutive whitespace characters with one space;
 * - convert &ngsp; pseudo-entity to a single space;
 *
 * Removal and trimming of whitespaces have positive performance impact (less code to generate
 * while compiling templates, faster view creation). At the same time it can be "destructive"
 * in some cases (whitespaces can influence layout). Because of the potential of breaking layout
 * this visitor is not activated by default in Angular 5 and people need to explicitly opt-in for
 * whitespace removal. The default option for whitespace removal will be revisited in Angular 6
 * and might be changed to "on" by default.
 */
class WhitespaceVisitor {
    visitElement(element, context) {
        if (SKIP_WS_TRIM_TAGS.has(element.name) || hasPreserveWhitespacesAttr(element.attrs)) {
            // don't descent into elements where we need to preserve whitespaces
            // but still visit all attributes to eliminate one used as a market to preserve WS
            return new Element$1(element.name, visitAll$1(this, element.attrs), element.children, element.sourceSpan, element.startSourceSpan, element.endSourceSpan, element.i18n);
        }
        return new Element$1(element.name, element.attrs, visitAllWithSiblings(this, element.children), element.sourceSpan, element.startSourceSpan, element.endSourceSpan, element.i18n);
    }
    visitAttribute(attribute, context) {
        return attribute.name !== PRESERVE_WS_ATTR_NAME ? attribute : null;
    }
    visitText(text, context) {
        const isNotBlank = text.value.match(NO_WS_REGEXP);
        const hasExpansionSibling = context &&
            (context.prev instanceof Expansion || context.next instanceof Expansion);
        if (isNotBlank || hasExpansionSibling) {
            return new Text$3(replaceNgsp(text.value).replace(WS_REPLACE_REGEXP, ' '), text.sourceSpan, text.i18n);
        }
        return null;
    }
    visitComment(comment, context) {
        return comment;
    }
    visitExpansion(expansion, context) {
        return expansion;
    }
    visitExpansionCase(expansionCase, context) {
        return expansionCase;
    }
}
function removeWhitespaces(htmlAstWithErrors) {
    return new ParseTreeResult(visitAll$1(new WhitespaceVisitor(), htmlAstWithErrors.rootNodes), htmlAstWithErrors.errors);
}
function visitAllWithSiblings(visitor, nodes) {
    const result = [];
    nodes.forEach((ast, i) => {
        const context = { prev: nodes[i - 1], next: nodes[i + 1] };
        const astResult = ast.visit(visitor, context);
        if (astResult) {
            result.push(astResult);
        }
    });
    return result;
}

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
// http://cldr.unicode.org/index/cldr-spec/plural-rules
const PLURAL_CASES = ['zero', 'one', 'two', 'few', 'many', 'other'];
/**
 * Expands special forms into elements.
 *
 * For example,
 *
 * ```
 * { messages.length, plural,
 *   =0 {zero}
 *   =1 {one}
 *   other {more than one}
 * }
 * ```
 *
 * will be expanded into
 *
 * ```
 * <ng-container [ngPlural]="messages.length">
 *   <ng-template ngPluralCase="=0">zero</ng-template>
 *   <ng-template ngPluralCase="=1">one</ng-template>
 *   <ng-template ngPluralCase="other">more than one</ng-template>
 * </ng-container>
 * ```
 */
function expandNodes(nodes) {
    const expander = new _Expander();
    return new ExpansionResult(visitAll$1(expander, nodes), expander.isExpanded, expander.errors);
}
class ExpansionResult {
    constructor(nodes, expanded, errors) {
        this.nodes = nodes;
        this.expanded = expanded;
        this.errors = errors;
    }
}
class ExpansionError extends ParseError {
    constructor(span, errorMsg) {
        super(span, errorMsg);
    }
}
/**
 * Expand expansion forms (plural, select) to directives
 *
 * @internal
 */
class _Expander {
    constructor() {
        this.isExpanded = false;
        this.errors = [];
    }
    visitElement(element, context) {
        return new Element$1(element.name, element.attrs, visitAll$1(this, element.children), element.sourceSpan, element.startSourceSpan, element.endSourceSpan);
    }
    visitAttribute(attribute, context) {
        return attribute;
    }
    visitText(text, context) {
        return text;
    }
    visitComment(comment, context) {
        return comment;
    }
    visitExpansion(icu, context) {
        this.isExpanded = true;
        return icu.type == 'plural' ? _expandPluralForm(icu, this.errors) :
            _expandDefaultForm(icu, this.errors);
    }
    visitExpansionCase(icuCase, context) {
        throw new Error('Should not be reached');
    }
}
// Plural forms are expanded to `NgPlural` and `NgPluralCase`s
function _expandPluralForm(ast, errors) {
    const children = ast.cases.map(c => {
        if (PLURAL_CASES.indexOf(c.value) == -1 && !c.value.match(/^=\d+$/)) {
            errors.push(new ExpansionError(c.valueSourceSpan, `Plural cases should be "=<number>" or one of ${PLURAL_CASES.join(', ')}`));
        }
        const expansionResult = expandNodes(c.expression);
        errors.push(...expansionResult.errors);
        return new Element$1(`ng-template`, [new Attribute('ngPluralCase', `${c.value}`, c.valueSourceSpan, undefined /* keySpan */, undefined /* valueSpan */, undefined /* i18n */)], expansionResult.nodes, c.sourceSpan, c.sourceSpan, c.sourceSpan);
    });
    const switchAttr = new Attribute('[ngPlural]', ast.switchValue, ast.switchValueSourceSpan, undefined /* keySpan */, undefined /* valueSpan */, undefined /* i18n */);
    return new Element$1('ng-container', [switchAttr], children, ast.sourceSpan, ast.sourceSpan, ast.sourceSpan);
}
// ICU messages (excluding plural form) are expanded to `NgSwitch`  and `NgSwitchCase`s
function _expandDefaultForm(ast, errors) {
    const children = ast.cases.map(c => {
        const expansionResult = expandNodes(c.expression);
        errors.push(...expansionResult.errors);
        if (c.value === 'other') {
            // other is the default case when no values match
            return new Element$1(`ng-template`, [new Attribute('ngSwitchDefault', '', c.valueSourceSpan, undefined /* keySpan */, undefined /* valueSpan */, undefined /* i18n */)], expansionResult.nodes, c.sourceSpan, c.sourceSpan, c.sourceSpan);
        }
        return new Element$1(`ng-template`, [new Attribute('ngSwitchCase', `${c.value}`, c.valueSourceSpan, undefined /* keySpan */, undefined /* valueSpan */, undefined /* i18n */)], expansionResult.nodes, c.sourceSpan, c.sourceSpan, c.sourceSpan);
    });
    const switchAttr = new Attribute('[ngSwitch]', ast.switchValue, ast.switchValueSourceSpan, undefined /* keySpan */, undefined /* valueSpan */, undefined /* i18n */);
    return new Element$1('ng-container', [switchAttr], children, ast.sourceSpan, ast.sourceSpan, ast.sourceSpan);
}

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
/**
 * A segment of text within the template.
 */
class TextAst {
    constructor(value, ngContentIndex, sourceSpan) {
        this.value = value;
        this.ngContentIndex = ngContentIndex;
        this.sourceSpan = sourceSpan;
    }
    visit(visitor, context) {
        return visitor.visitText(this, context);
    }
}
/**
 * A bound expression within the text of a template.
 */
class BoundTextAst {
    constructor(value, ngContentIndex, sourceSpan) {
        this.value = value;
        this.ngContentIndex = ngContentIndex;
        this.sourceSpan = sourceSpan;
    }
    visit(visitor, context) {
        return visitor.visitBoundText(this, context);
    }
}
/**
 * A plain attribute on an element.
 */
class AttrAst {
    constructor(name, value, sourceSpan) {
        this.name = name;
        this.value = value;
        this.sourceSpan = sourceSpan;
    }
    visit(visitor, context) {
        return visitor.visitAttr(this, context);
    }
}
const BoundPropertyMapping = {
    [4 /* Animation */]: 4 /* Animation */,
    [1 /* Attribute */]: 1 /* Attribute */,
    [2 /* Class */]: 2 /* Class */,
    [0 /* Property */]: 0 /* Property */,
    [3 /* Style */]: 3 /* Style */,
};
/**
 * A binding for an element property (e.g. `[property]="expression"`) or an animation trigger (e.g.
 * `[@trigger]="stateExp"`)
 */
class BoundElementPropertyAst {
    constructor(name, type, securityContext, value, unit, sourceSpan) {
        this.name = name;
        this.type = type;
        this.securityContext = securityContext;
        this.value = value;
        this.unit = unit;
        this.sourceSpan = sourceSpan;
        this.isAnimation = this.type === 4 /* Animation */;
    }
    static fromBoundProperty(prop) {
        const type = BoundPropertyMapping[prop.type];
        return new BoundElementPropertyAst(prop.name, type, prop.securityContext, prop.value, prop.unit, prop.sourceSpan);
    }
    visit(visitor, context) {
        return visitor.visitElementProperty(this, context);
    }
}
/**
 * A binding for an element event (e.g. `(event)="handler()"`) or an animation trigger event (e.g.
 * `(@trigger.phase)="callback($event)"`).
 */
class BoundEventAst {
    constructor(name, target, phase, handler, sourceSpan, handlerSpan) {
        this.name = name;
        this.target = target;
        this.phase = phase;
        this.handler = handler;
        this.sourceSpan = sourceSpan;
        this.handlerSpan = handlerSpan;
        this.fullName = BoundEventAst.calcFullName(this.name, this.target, this.phase);
        this.isAnimation = !!this.phase;
    }
    static calcFullName(name, target, phase) {
        if (target) {
            return `${target}:${name}`;
        }
        if (phase) {
            return `@${name}.${phase}`;
        }
        return name;
    }
    static fromParsedEvent(event) {
        const target = event.type === 0 /* Regular */ ? event.targetOrPhase : null;
        const phase = event.type === 1 /* Animation */ ? event.targetOrPhase : null;
        return new BoundEventAst(event.name, target, phase, event.handler, event.sourceSpan, event.handlerSpan);
    }
    visit(visitor, context) {
        return visitor.visitEvent(this, context);
    }
}
/**
 * A reference declaration on an element (e.g. `let someName="expression"`).
 */
class ReferenceAst {
    constructor(name, value, originalValue, sourceSpan) {
        this.name = name;
        this.value = value;
        this.originalValue = originalValue;
        this.sourceSpan = sourceSpan;
    }
    visit(visitor, context) {
        return visitor.visitReference(this, context);
    }
}
/**
 * A variable declaration on a <ng-template> (e.g. `var-someName="someLocalName"`).
 */
class VariableAst {
    constructor(name, value, sourceSpan, valueSpan) {
        this.name = name;
        this.value = value;
        this.sourceSpan = sourceSpan;
        this.valueSpan = valueSpan;
    }
    static fromParsedVariable(v) {
        return new VariableAst(v.name, v.value, v.sourceSpan, v.valueSpan);
    }
    visit(visitor, context) {
        return visitor.visitVariable(this, context);
    }
}
/**
 * An element declaration in a template.
 */
class ElementAst {
    constructor(name, attrs, inputs, outputs, references, directives, providers, hasViewContainer, queryMatches, children, ngContentIndex, sourceSpan, endSourceSpan) {
        this.name = name;
        this.attrs = attrs;
        this.inputs = inputs;
        this.outputs = outputs;
        this.references = references;
        this.directives = directives;
        this.providers = providers;
        this.hasViewContainer = hasViewContainer;
        this.queryMatches = queryMatches;
        this.children = children;
        this.ngContentIndex = ngContentIndex;
        this.sourceSpan = sourceSpan;
        this.endSourceSpan = endSourceSpan;
    }
    visit(visitor, context) {
        return visitor.visitElement(this, context);
    }
}
/**
 * A `<ng-template>` element included in an Angular template.
 */
class EmbeddedTemplateAst {
    constructor(attrs, outputs, references, variables, directives, providers, hasViewContainer, queryMatches, children, ngContentIndex, sourceSpan) {
        this.attrs = attrs;
        this.outputs = outputs;
        this.references = references;
        this.variables = variables;
        this.directives = directives;
        this.providers = providers;
        this.hasViewContainer = hasViewContainer;
        this.queryMatches = queryMatches;
        this.children = children;
        this.ngContentIndex = ngContentIndex;
        this.sourceSpan = sourceSpan;
    }
    visit(visitor, context) {
        return visitor.visitEmbeddedTemplate(this, context);
    }
}
/**
 * A directive property with a bound value (e.g. `*ngIf="condition").
 */
class BoundDirectivePropertyAst {
    constructor(directiveName, templateName, value, sourceSpan) {
        this.directiveName = directiveName;
        this.templateName = templateName;
        this.value = value;
        this.sourceSpan = sourceSpan;
    }
    visit(visitor, context) {
        return visitor.visitDirectiveProperty(this, context);
    }
}
/**
 * A directive declared on an element.
 */
class DirectiveAst {
    constructor(directive, inputs, hostProperties, hostEvents, contentQueryStartId, sourceSpan) {
        this.directive = directive;
        this.inputs = inputs;
        this.hostProperties = hostProperties;
        this.hostEvents = hostEvents;
        this.contentQueryStartId = contentQueryStartId;
        this.sourceSpan = sourceSpan;
    }
    visit(visitor, context) {
        return visitor.visitDirective(this, context);
    }
}
/**
 * A provider declared on an element
 */
class ProviderAst {
    constructor(token, multiProvider, eager, providers, providerType, lifecycleHooks, sourceSpan, isModule) {
        this.token = token;
        this.multiProvider = multiProvider;
        this.eager = eager;
        this.providers = providers;
        this.providerType = providerType;
        this.lifecycleHooks = lifecycleHooks;
        this.sourceSpan = sourceSpan;
        this.isModule = isModule;
    }
    visit(visitor, context) {
        // No visit method in the visitor for now...
        return null;
    }
}
var ProviderAstType;
(function (ProviderAstType) {
    ProviderAstType[ProviderAstType["PublicService"] = 0] = "PublicService";
    ProviderAstType[ProviderAstType["PrivateService"] = 1] = "PrivateService";
    ProviderAstType[ProviderAstType["Component"] = 2] = "Component";
    ProviderAstType[ProviderAstType["Directive"] = 3] = "Directive";
    ProviderAstType[ProviderAstType["Builtin"] = 4] = "Builtin";
})(ProviderAstType || (ProviderAstType = {}));
/**
 * Position where content is to be projected (instance of `<ng-content>` in a template).
 */
class NgContentAst {
    constructor(index, ngContentIndex, sourceSpan) {
        this.index = index;
        this.ngContentIndex = ngContentIndex;
        this.sourceSpan = sourceSpan;
    }
    visit(visitor, context) {
        return visitor.visitNgContent(this, context);
    }
}
/**
 * A visitor that accepts each node but doesn't do anything. It is intended to be used
 * as the base class for a visitor that is only interested in a subset of the node types.
 */
class NullTemplateVisitor {
    visitNgContent(ast, context) { }
    visitEmbeddedTemplate(ast, context) { }
    visitElement(ast, context) { }
    visitReference(ast, context) { }
    visitVariable(ast, context) { }
    visitEvent(ast, context) { }
    visitElementProperty(ast, context) { }
    visitAttr(ast, context) { }
    visitBoundText(ast, context) { }
    visitText(ast, context) { }
    visitDirective(ast, context) { }
    visitDirectiveProperty(ast, context) { }
}
/**
 * Base class that can be used to build a visitor that visits each node
 * in an template ast recursively.
 */
class RecursiveTemplateAstVisitor extends NullTemplateVisitor {
    constructor() {
        super();
    }
    // Nodes with children
    visitEmbeddedTemplate(ast, context) {
        return this.visitChildren(context, visit => {
            visit(ast.attrs);
            visit(ast.references);
            visit(ast.variables);
            visit(ast.directives);
            visit(ast.providers);
            visit(ast.children);
        });
    }
    visitElement(ast, context) {
        return this.visitChildren(context, visit => {
            visit(ast.attrs);
            visit(ast.inputs);
            visit(ast.outputs);
            visit(ast.references);
            visit(ast.directives);
            visit(ast.providers);
            visit(ast.children);
        });
    }
    visitDirective(ast, context) {
        return this.visitChildren(context, visit => {
            visit(ast.inputs);
            visit(ast.hostProperties);
            visit(ast.hostEvents);
        });
    }
    visitChildren(context, cb) {
        let results = [];
        let t = this;
        function visit(children) {
            if (children && children.length)
                results.push(templateVisitAll(t, children, context));
        }
        cb(visit);
        return Array.prototype.concat.apply([], results);
    }
}
/**
 * Visit every node in a list of {@link TemplateAst}s with the given {@link TemplateAstVisitor}.
 */
function templateVisitAll(visitor, asts, context = null) {
    const result = [];
    const visit = visitor.visit ?
        (ast) => visitor.visit(ast, context) || ast.visit(visitor, context) :
        (ast) => ast.visit(visitor, context);
    asts.forEach(ast => {
        const astResult = visit(ast);
        if (astResult) {
            result.push(astResult);
        }
    });
    return result;
}

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
class ProviderError extends ParseError {
    constructor(message, span) {
        super(span, message);
    }
}
class ProviderViewContext {
    constructor(reflector, component) {
        this.reflector = reflector;
        this.component = component;
        this.errors = [];
        this.viewQueries = _getViewQueries(component);
        this.viewProviders = new Map();
        component.viewProviders.forEach((provider) => {
            if (this.viewProviders.get(tokenReference(provider.token)) == null) {
                this.viewProviders.set(tokenReference(provider.token), true);
            }
        });
    }
}
class ProviderElementContext {
    constructor(viewContext, _parent, _isViewRoot, _directiveAsts, attrs, refs, isTemplate, contentQueryStartId, _sourceSpan) {
        this.viewContext = viewContext;
        this._parent = _parent;
        this._isViewRoot = _isViewRoot;
        this._directiveAsts = _directiveAsts;
        this._sourceSpan = _sourceSpan;
        this._transformedProviders = new Map();
        this._seenProviders = new Map();
        this._queriedTokens = new Map();
        this.transformedHasViewContainer = false;
        this._attrs = {};
        attrs.forEach((attrAst) => this._attrs[attrAst.name] = attrAst.value);
        const directivesMeta = _directiveAsts.map(directiveAst => directiveAst.directive);
        this._allProviders =
            _resolveProvidersFromDirectives(directivesMeta, _sourceSpan, viewContext.errors);
        this._contentQueries = _getContentQueries(contentQueryStartId, directivesMeta);
        Array.from(this._allProviders.values()).forEach((provider) => {
            this._addQueryReadsTo(provider.token, provider.token, this._queriedTokens);
        });
        if (isTemplate) {
            const templateRefId = createTokenForExternalReference(this.viewContext.reflector, Identifiers$1.TemplateRef);
            this._addQueryReadsTo(templateRefId, templateRefId, this._queriedTokens);
        }
        refs.forEach((refAst) => {
            let defaultQueryValue = refAst.value ||
                createTokenForExternalReference(this.viewContext.reflector, Identifiers$1.ElementRef);
            this._addQueryReadsTo({ value: refAst.name }, defaultQueryValue, this._queriedTokens);
        });
        if (this._queriedTokens.get(this.viewContext.reflector.resolveExternalReference(Identifiers$1.ViewContainerRef))) {
            this.transformedHasViewContainer = true;
        }
        // create the providers that we know are eager first
        Array.from(this._allProviders.values()).forEach((provider) => {
            const eager = provider.eager || this._queriedTokens.get(tokenReference(provider.token));
            if (eager) {
                this._getOrCreateLocalProvider(provider.providerType, provider.token, true);
            }
        });
    }
    afterElement() {
        // collect lazy providers
        Array.from(this._allProviders.values()).forEach((provider) => {
            this._getOrCreateLocalProvider(provider.providerType, provider.token, false);
        });
    }
    get transformProviders() {
        // Note: Maps keep their insertion order.
        const lazyProviders = [];
        const eagerProviders = [];
        this._transformedProviders.forEach(provider => {
            if (provider.eager) {
                eagerProviders.push(provider);
            }
            else {
                lazyProviders.push(provider);
            }
        });
        return lazyProviders.concat(eagerProviders);
    }
    get transformedDirectiveAsts() {
        const sortedProviderTypes = this.transformProviders.map(provider => provider.token.identifier);
        const sortedDirectives = this._directiveAsts.slice();
        sortedDirectives.sort((dir1, dir2) => sortedProviderTypes.indexOf(dir1.directive.type) -
            sortedProviderTypes.indexOf(dir2.directive.type));
        return sortedDirectives;
    }
    get queryMatches() {
        const allMatches = [];
        this._queriedTokens.forEach((matches) => {
            allMatches.push(...matches);
        });
        return allMatches;
    }
    _addQueryReadsTo(token, defaultValue, queryReadTokens) {
        this._getQueriesFor(token).forEach((query) => {
            const queryValue = query.meta.read || defaultValue;
            const tokenRef = tokenReference(queryValue);
            let queryMatches = queryReadTokens.get(tokenRef);
            if (!queryMatches) {
                queryMatches = [];
                queryReadTokens.set(tokenRef, queryMatches);
            }
            queryMatches.push({ queryId: query.queryId, value: queryValue });
        });
    }
    _getQueriesFor(token) {
        const result = [];
        let currentEl = this;
        let distance = 0;
        let queries;
        while (currentEl !== null) {
            queries = currentEl._contentQueries.get(tokenReference(token));
            if (queries) {
                result.push(...queries.filter((query) => query.meta.descendants || distance <= 1));
            }
            if (currentEl._directiveAsts.length > 0) {
                distance++;
            }
            currentEl = currentEl._parent;
        }
        queries = this.viewContext.viewQueries.get(tokenReference(token));
        if (queries) {
            result.push(...queries);
        }
        return result;
    }
    _getOrCreateLocalProvider(requestingProviderType, token, eager) {
        const resolvedProvider = this._allProviders.get(tokenReference(token));
        if (!resolvedProvider ||
            ((requestingProviderType === ProviderAstType.Directive ||
                requestingProviderType === ProviderAstType.PublicService) &&
                resolvedProvider.providerType === ProviderAstType.PrivateService) ||
            ((requestingProviderType === ProviderAstType.PrivateService ||
                requestingProviderType === ProviderAstType.PublicService) &&
                resolvedProvider.providerType === ProviderAstType.Builtin)) {
            return null;
        }
        let transformedProviderAst = this._transformedProviders.get(tokenReference(token));
        if (transformedProviderAst) {
            return transformedProviderAst;
        }
        if (this._seenProviders.get(tokenReference(token)) != null) {
            this.viewContext.errors.push(new ProviderError(`Cannot instantiate cyclic dependency! ${tokenName(token)}`, this._sourceSpan));
            return null;
        }
        this._seenProviders.set(tokenReference(token), true);
        const transformedProviders = resolvedProvider.providers.map((provider) => {
            let transformedUseValue = provider.useValue;
            let transformedUseExisting = provider.useExisting;
            let transformedDeps = undefined;
            if (provider.useExisting != null) {
                const existingDiDep = this._getDependency(resolvedProvider.providerType, { token: provider.useExisting }, eager);
                if (existingDiDep.token != null) {
                    transformedUseExisting = existingDiDep.token;
                }
                else {
                    transformedUseExisting = null;
                    transformedUseValue = existingDiDep.value;
                }
            }
            else if (provider.useFactory) {
                const deps = provider.deps || provider.useFactory.diDeps;
                transformedDeps =
                    deps.map((dep) => this._getDependency(resolvedProvider.providerType, dep, eager));
            }
            else if (provider.useClass) {
                const deps = provider.deps || provider.useClass.diDeps;
                transformedDeps =
                    deps.map((dep) => this._getDependency(resolvedProvider.providerType, dep, eager));
            }
            return _transformProvider(provider, {
                useExisting: transformedUseExisting,
                useValue: transformedUseValue,
                deps: transformedDeps
            });
        });
        transformedProviderAst =
            _transformProviderAst(resolvedProvider, { eager: eager, providers: transformedProviders });
        this._transformedProviders.set(tokenReference(token), transformedProviderAst);
        return transformedProviderAst;
    }
    _getLocalDependency(requestingProviderType, dep, eager = false) {
        if (dep.isAttribute) {
            const attrValue = this._attrs[dep.token.value];
            return { isValue: true, value: attrValue == null ? null : attrValue };
        }
        if (dep.token != null) {
            // access builtints
            if ((requestingProviderType === ProviderAstType.Directive ||
                requestingProviderType === ProviderAstType.Component)) {
                if (tokenReference(dep.token) ===
                    this.viewContext.reflector.resolveExternalReference(Identifiers$1.Renderer) ||
                    tokenReference(dep.token) ===
                        this.viewContext.reflector.resolveExternalReference(Identifiers$1.ElementRef) ||
                    tokenReference(dep.token) ===
                        this.viewContext.reflector.resolveExternalReference(Identifiers$1.ChangeDetectorRef) ||
                    tokenReference(dep.token) ===
                        this.viewContext.reflector.resolveExternalReference(Identifiers$1.TemplateRef)) {
                    return dep;
                }
                if (tokenReference(dep.token) ===
                    this.viewContext.reflector.resolveExternalReference(Identifiers$1.ViewContainerRef)) {
                    this.transformedHasViewContainer = true;
                }
            }
            // access the injector
            if (tokenReference(dep.token) ===
                this.viewContext.reflector.resolveExternalReference(Identifiers$1.Injector)) {
                return dep;
            }
            // access providers
            if (this._getOrCreateLocalProvider(requestingProviderType, dep.token, eager) != null) {
                return dep;
            }
        }
        return null;
    }
    _getDependency(requestingProviderType, dep, eager = false) {
        let currElement = this;
        let currEager = eager;
        let result = null;
        if (!dep.isSkipSelf) {
            result = this._getLocalDependency(requestingProviderType, dep, eager);
        }
        if (dep.isSelf) {
            if (!result && dep.isOptional) {
                result = { isValue: true, value: null };
            }
        }
        else {
            // check parent elements
            while (!result && currElement._parent) {
                const prevElement = currElement;
                currElement = currElement._parent;
                if (prevElement._isViewRoot) {
                    currEager = false;
                }
                result = currElement._getLocalDependency(ProviderAstType.PublicService, dep, currEager);
            }
            // check @Host restriction
            if (!result) {
                if (!dep.isHost || this.viewContext.component.isHost ||
                    this.viewContext.component.type.reference === tokenReference(dep.token) ||
                    this.viewContext.viewProviders.get(tokenReference(dep.token)) != null) {
                    result = dep;
                }
                else {
                    result = dep.isOptional ? { isValue: true, value: null } : null;
                }
            }
        }
        if (!result) {
            this.viewContext.errors.push(new ProviderError(`No provider for ${tokenName(dep.token)}`, this._sourceSpan));
        }
        return result;
    }
}
class NgModuleProviderAnalyzer {
    constructor(reflector, ngModule, extraProviders, sourceSpan) {
        this.reflector = reflector;
        this._transformedProviders = new Map();
        this._seenProviders = new Map();
        this._errors = [];
        this._allProviders = new Map();
        ngModule.transitiveModule.modules.forEach((ngModuleType) => {
            const ngModuleProvider = { token: { identifier: ngModuleType }, useClass: ngModuleType };
            _resolveProviders([ngModuleProvider], ProviderAstType.PublicService, true, sourceSpan, this._errors, this._allProviders, /* isModule */ true);
        });
        _resolveProviders(ngModule.transitiveModule.providers.map(entry => entry.provider).concat(extraProviders), ProviderAstType.PublicService, false, sourceSpan, this._errors, this._allProviders, 
        /* isModule */ false);
    }
    parse() {
        Array.from(this._allProviders.values()).forEach((provider) => {
            this._getOrCreateLocalProvider(provider.token, provider.eager);
        });
        if (this._errors.length > 0) {
            const errorString = this._errors.join('\n');
            throw new Error(`Provider parse errors:\n${errorString}`);
        }
        // Note: Maps keep their insertion order.
        const lazyProviders = [];
        const eagerProviders = [];
        this._transformedProviders.forEach(provider => {
            if (provider.eager) {
                eagerProviders.push(provider);
            }
            else {
                lazyProviders.push(provider);
            }
        });
        return lazyProviders.concat(eagerProviders);
    }
    _getOrCreateLocalProvider(token, eager) {
        const resolvedProvider = this._allProviders.get(tokenReference(token));
        if (!resolvedProvider) {
            return null;
        }
        let transformedProviderAst = this._transformedProviders.get(tokenReference(token));
        if (transformedProviderAst) {
            return transformedProviderAst;
        }
        if (this._seenProviders.get(tokenReference(token)) != null) {
            this._errors.push(new ProviderError(`Cannot instantiate cyclic dependency! ${tokenName(token)}`, resolvedProvider.sourceSpan));
            return null;
        }
        this._seenProviders.set(tokenReference(token), true);
        const transformedProviders = resolvedProvider.providers.map((provider) => {
            let transformedUseValue = provider.useValue;
            let transformedUseExisting = provider.useExisting;
            let transformedDeps = undefined;
            if (provider.useExisting != null) {
                const existingDiDep = this._getDependency({ token: provider.useExisting }, eager, resolvedProvider.sourceSpan);
                if (existingDiDep.token != null) {
                    transformedUseExisting = existingDiDep.token;
                }
                else {
                    transformedUseExisting = null;
                    transformedUseValue = existingDiDep.value;
                }
            }
            else if (provider.useFactory) {
                const deps = provider.deps || provider.useFactory.diDeps;
                transformedDeps =
                    deps.map((dep) => this._getDependency(dep, eager, resolvedProvider.sourceSpan));
            }
            else if (provider.useClass) {
                const deps = provider.deps || provider.useClass.diDeps;
                transformedDeps =
                    deps.map((dep) => this._getDependency(dep, eager, resolvedProvider.sourceSpan));
            }
            return _transformProvider(provider, {
                useExisting: transformedUseExisting,
                useValue: transformedUseValue,
                deps: transformedDeps
            });
        });
        transformedProviderAst =
            _transformProviderAst(resolvedProvider, { eager: eager, providers: transformedProviders });
        this._transformedProviders.set(tokenReference(token), transformedProviderAst);
        return transformedProviderAst;
    }
    _getDependency(dep, eager = false, requestorSourceSpan) {
        let foundLocal = false;
        if (!dep.isSkipSelf && dep.token != null) {
            // access the injector
            if (tokenReference(dep.token) ===
                this.reflector.resolveExternalReference(Identifiers$1.Injector) ||
                tokenReference(dep.token) ===
                    this.reflector.resolveExternalReference(Identifiers$1.ComponentFactoryResolver)) {
                foundLocal = true;
                // access providers
            }
            else if (this._getOrCreateLocalProvider(dep.token, eager) != null) {
                foundLocal = true;
            }
        }
        return dep;
    }
}
function _transformProvider(provider, { useExisting, useValue, deps }) {
    return {
        token: provider.token,
        useClass: provider.useClass,
        useExisting: useExisting,
        useFactory: provider.useFactory,
        useValue: useValue,
        deps: deps,
        multi: provider.multi
    };
}
function _transformProviderAst(provider, { eager, providers }) {
    return new ProviderAst(provider.token, provider.multiProvider, provider.eager || eager, providers, provider.providerType, provider.lifecycleHooks, provider.sourceSpan, provider.isModule);
}
function _resolveProvidersFromDirectives(directives, sourceSpan, targetErrors) {
    const providersByToken = new Map();
    directives.forEach((directive) => {
        const dirProvider = { token: { identifier: directive.type }, useClass: directive.type };
        _resolveProviders([dirProvider], directive.isComponent ? ProviderAstType.Component : ProviderAstType.Directive, true, sourceSpan, targetErrors, providersByToken, /* isModule */ false);
    });
    // Note: directives need to be able to overwrite providers of a component!
    const directivesWithComponentFirst = directives.filter(dir => dir.isComponent).concat(directives.filter(dir => !dir.isComponent));
    directivesWithComponentFirst.forEach((directive) => {
        _resolveProviders(directive.providers, ProviderAstType.PublicService, false, sourceSpan, targetErrors, providersByToken, /* isModule */ false);
        _resolveProviders(directive.viewProviders, ProviderAstType.PrivateService, false, sourceSpan, targetErrors, providersByToken, /* isModule */ false);
    });
    return providersByToken;
}
function _resolveProviders(providers, providerType, eager, sourceSpan, targetErrors, targetProvidersByToken, isModule) {
    providers.forEach((provider) => {
        let resolvedProvider = targetProvidersByToken.get(tokenReference(provider.token));
        if (resolvedProvider != null && !!resolvedProvider.multiProvider !== !!provider.multi) {
            targetErrors.push(new ProviderError(`Mixing multi and non multi provider is not possible for token ${tokenName(resolvedProvider.token)}`, sourceSpan));
        }
        if (!resolvedProvider) {
            const lifecycleHooks = provider.token.identifier &&
                provider.token.identifier.lifecycleHooks ?
                provider.token.identifier.lifecycleHooks :
                [];
            const isUseValue = !(provider.useClass || provider.useExisting || provider.useFactory);
            resolvedProvider = new ProviderAst(provider.token, !!provider.multi, eager || isUseValue, [provider], providerType, lifecycleHooks, sourceSpan, isModule);
            targetProvidersByToken.set(tokenReference(provider.token), resolvedProvider);
        }
        else {
            if (!provider.multi) {
                resolvedProvider.providers.length = 0;
            }
            resolvedProvider.providers.push(provider);
        }
    });
}
function _getViewQueries(component) {
    // Note: queries start with id 1 so we can use the number in a Bloom filter!
    let viewQueryId = 1;
    const viewQueries = new Map();
    if (component.viewQueries) {
        component.viewQueries.forEach((query) => _addQueryToTokenMap(viewQueries, { meta: query, queryId: viewQueryId++ }));
    }
    return viewQueries;
}
function _getContentQueries(contentQueryStartId, directives) {
    let contentQueryId = contentQueryStartId;
    const contentQueries = new Map();
    directives.forEach((directive, directiveIndex) => {
        if (directive.queries) {
            directive.queries.forEach((query) => _addQueryToTokenMap(contentQueries, { meta: query, queryId: contentQueryId++ }));
        }
    });
    return contentQueries;
}
function _addQueryToTokenMap(map, query) {
    query.meta.selectors.forEach((token) => {
        let entry = map.get(tokenReference(token));
        if (!entry) {
            entry = [];
            map.set(tokenReference(token), entry);
        }
        entry.push(query);
    });
}

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
class StyleWithImports {
    constructor(style, styleUrls) {
        this.style = style;
        this.styleUrls = styleUrls;
    }
}
function isStyleUrlResolvable(url) {
    if (url == null || url.length === 0 || url[0] == '/')
        return false;
    const schemeMatch = url.match(URL_WITH_SCHEMA_REGEXP);
    return schemeMatch === null || schemeMatch[1] == 'package' || schemeMatch[1] == 'asset';
}
/**
 * Rewrites stylesheets by resolving and removing the @import urls that
 * are either relative or don't have a `package:` scheme
 */
function extractStyleUrls(resolver, baseUrl, cssText) {
    const foundUrls = [];
    const modifiedCssText = cssText.replace(CSS_STRIPPABLE_COMMENT_REGEXP, '')
        .replace(CSS_IMPORT_REGEXP, (...m) => {
        const url = m[1] || m[2];
        if (!isStyleUrlResolvable(url)) {
            // Do not attempt to resolve non-package absolute URLs with URI
            // scheme
            return m[0];
        }
        foundUrls.push(resolver.resolve(baseUrl, url));
        return '';
    });
    return new StyleWithImports(modifiedCssText, foundUrls);
}
const CSS_IMPORT_REGEXP = /@import\s+(?:url\()?\s*(?:(?:['"]([^'"]*))|([^;\)\s]*))[^;]*;?/g;
const CSS_STRIPPABLE_COMMENT_REGEXP = /\/\*(?!#\s*(?:sourceURL|sourceMappingURL)=)[\s\S]+?\*\//g;
const URL_WITH_SCHEMA_REGEXP = /^([^:/?#]+):/;

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
const PROPERTY_PARTS_SEPARATOR = '.';
const ATTRIBUTE_PREFIX = 'attr';
const CLASS_PREFIX = 'class';
const STYLE_PREFIX = 'style';
const TEMPLATE_ATTR_PREFIX = '*';
const ANIMATE_PROP_PREFIX = 'animate-';
/**
 * Parses bindings in templates and in the directive host area.
 */
class BindingParser {
    constructor(_exprParser, _interpolationConfig, _schemaRegistry, pipes, errors) {
        this._exprParser = _exprParser;
        this._interpolationConfig = _interpolationConfig;
        this._schemaRegistry = _schemaRegistry;
        this.errors = errors;
        this.pipesByName = null;
        this._usedPipes = new Map();
        // When the `pipes` parameter is `null`, do not check for used pipes
        // This is used in IVY when we might not know the available pipes at compile time
        if (pipes) {
            const pipesByName = new Map();
            pipes.forEach(pipe => pipesByName.set(pipe.name, pipe));
            this.pipesByName = pipesByName;
        }
    }
    get interpolationConfig() {
        return this._interpolationConfig;
    }
    getUsedPipes() {
        return Array.from(this._usedPipes.values());
    }
    createBoundHostProperties(dirMeta, sourceSpan) {
        if (dirMeta.hostProperties) {
            const boundProps = [];
            Object.keys(dirMeta.hostProperties).forEach(propName => {
                const expression = dirMeta.hostProperties[propName];
                if (typeof expression === 'string') {
                    this.parsePropertyBinding(propName, expression, true, sourceSpan, sourceSpan.start.offset, undefined, [], 
                    // Use the `sourceSpan` for  `keySpan`. This isn't really accurate, but neither is the
                    // sourceSpan, as it represents the sourceSpan of the host itself rather than the
                    // source of the host binding (which doesn't exist in the template). Regardless,
                    // neither of these values are used in Ivy but are only here to satisfy the function
                    // signature. This should likely be refactored in the future so that `sourceSpan`
                    // isn't being used inaccurately.
                    boundProps, sourceSpan);
                }
                else {
                    this._reportError(`Value of the host property binding "${propName}" needs to be a string representing an expression but got "${expression}" (${typeof expression})`, sourceSpan);
                }
            });
            return boundProps;
        }
        return null;
    }
    createDirectiveHostPropertyAsts(dirMeta, elementSelector, sourceSpan) {
        const boundProps = this.createBoundHostProperties(dirMeta, sourceSpan);
        return boundProps &&
            boundProps.map((prop) => this.createBoundElementProperty(elementSelector, prop));
    }
    createDirectiveHostEventAsts(dirMeta, sourceSpan) {
        if (dirMeta.hostListeners) {
            const targetEvents = [];
            Object.keys(dirMeta.hostListeners).forEach(propName => {
                const expression = dirMeta.hostListeners[propName];
                if (typeof expression === 'string') {
                    // Use the `sourceSpan` for  `keySpan` and `handlerSpan`. This isn't really accurate, but
                    // neither is the `sourceSpan`, as it represents the `sourceSpan` of the host itself
                    // rather than the source of the host binding (which doesn't exist in the template).
                    // Regardless, neither of these values are used in Ivy but are only here to satisfy the
                    // function signature. This should likely be refactored in the future so that `sourceSpan`
                    // isn't being used inaccurately.
                    this.parseEvent(propName, expression, sourceSpan, sourceSpan, [], targetEvents, sourceSpan);
                }
                else {
                    this._reportError(`Value of the host listener "${propName}" needs to be a string representing an expression but got "${expression}" (${typeof expression})`, sourceSpan);
                }
            });
            return targetEvents;
        }
        return null;
    }
    parseInterpolation(value, sourceSpan) {
        const sourceInfo = sourceSpan.start.toString();
        const absoluteOffset = sourceSpan.fullStart.offset;
        try {
            const ast = this._exprParser.parseInterpolation(value, sourceInfo, absoluteOffset, this._interpolationConfig);
            if (ast)
                this._reportExpressionParserErrors(ast.errors, sourceSpan);
            this._checkPipes(ast, sourceSpan);
            return ast;
        }
        catch (e) {
            this._reportError(`${e}`, sourceSpan);
            return this._exprParser.wrapLiteralPrimitive('ERROR', sourceInfo, absoluteOffset);
        }
    }
    /**
     * Similar to `parseInterpolation`, but treats the provided string as a single expression
     * element that would normally appear within the interpolation prefix and suffix (`{{` and `}}`).
     * This is used for parsing the switch expression in ICUs.
     */
    parseInterpolationExpression(expression, sourceSpan) {
        const sourceInfo = sourceSpan.start.toString();
        const absoluteOffset = sourceSpan.start.offset;
        try {
            const ast = this._exprParser.parseInterpolationExpression(expression, sourceInfo, absoluteOffset);
            if (ast)
                this._reportExpressionParserErrors(ast.errors, sourceSpan);
            this._checkPipes(ast, sourceSpan);
            return ast;
        }
        catch (e) {
            this._reportError(`${e}`, sourceSpan);
            return this._exprParser.wrapLiteralPrimitive('ERROR', sourceInfo, absoluteOffset);
        }
    }
    /**
     * Parses the bindings in a microsyntax expression, and converts them to
     * `ParsedProperty` or `ParsedVariable`.
     *
     * @param tplKey template binding name
     * @param tplValue template binding value
     * @param sourceSpan span of template binding relative to entire the template
     * @param absoluteValueOffset start of the tplValue relative to the entire template
     * @param targetMatchableAttrs potential attributes to match in the template
     * @param targetProps target property bindings in the template
     * @param targetVars target variables in the template
     */
    parseInlineTemplateBinding(tplKey, tplValue, sourceSpan, absoluteValueOffset, targetMatchableAttrs, targetProps, targetVars, isIvyAst) {
        const absoluteKeyOffset = sourceSpan.start.offset + TEMPLATE_ATTR_PREFIX.length;
        const bindings = this._parseTemplateBindings(tplKey, tplValue, sourceSpan, absoluteKeyOffset, absoluteValueOffset);
        for (const binding of bindings) {
            // sourceSpan is for the entire HTML attribute. bindingSpan is for a particular
            // binding within the microsyntax expression so it's more narrow than sourceSpan.
            const bindingSpan = moveParseSourceSpan(sourceSpan, binding.sourceSpan);
            const key = binding.key.source;
            const keySpan = moveParseSourceSpan(sourceSpan, binding.key.span);
            if (binding instanceof VariableBinding) {
                const value = binding.value ? binding.value.source : '$implicit';
                const valueSpan = binding.value ? moveParseSourceSpan(sourceSpan, binding.value.span) : undefined;
                targetVars.push(new ParsedVariable(key, value, bindingSpan, keySpan, valueSpan));
            }
            else if (binding.value) {
                const srcSpan = isIvyAst ? bindingSpan : sourceSpan;
                const valueSpan = moveParseSourceSpan(sourceSpan, binding.value.ast.sourceSpan);
                this._parsePropertyAst(key, binding.value, srcSpan, keySpan, valueSpan, targetMatchableAttrs, targetProps);
            }
            else {
                targetMatchableAttrs.push([key, '' /* value */]);
                // Since this is a literal attribute with no RHS, source span should be
                // just the key span.
                this.parseLiteralAttr(key, null /* value */, keySpan, absoluteValueOffset, undefined /* valueSpan */, targetMatchableAttrs, targetProps, keySpan);
            }
        }
    }
    /**
     * Parses the bindings in a microsyntax expression, e.g.
     * ```
     *    <tag *tplKey="let value1 = prop; let value2 = localVar">
     * ```
     *
     * @param tplKey template binding name
     * @param tplValue template binding value
     * @param sourceSpan span of template binding relative to entire the template
     * @param absoluteKeyOffset start of the `tplKey`
     * @param absoluteValueOffset start of the `tplValue`
     */
    _parseTemplateBindings(tplKey, tplValue, sourceSpan, absoluteKeyOffset, absoluteValueOffset) {
        const sourceInfo = sourceSpan.start.toString();
        try {
            const bindingsResult = this._exprParser.parseTemplateBindings(tplKey, tplValue, sourceInfo, absoluteKeyOffset, absoluteValueOffset);
            this._reportExpressionParserErrors(bindingsResult.errors, sourceSpan);
            bindingsResult.templateBindings.forEach((binding) => {
                if (binding.value instanceof ASTWithSource) {
                    this._checkPipes(binding.value, sourceSpan);
                }
            });
            bindingsResult.warnings.forEach((warning) => {
                this._reportError(warning, sourceSpan, ParseErrorLevel.WARNING);
            });
            return bindingsResult.templateBindings;
        }
        catch (e) {
            this._reportError(`${e}`, sourceSpan);
            return [];
        }
    }
    parseLiteralAttr(name, value, sourceSpan, absoluteOffset, valueSpan, targetMatchableAttrs, 
    // TODO(atscott): keySpan is only optional here so VE template parser implementation does not
    // have to change This should be required when VE is removed.
    targetProps, keySpan) {
        if (isAnimationLabel(name)) {
            name = name.substring(1);
            if (keySpan !== undefined) {
                keySpan = moveParseSourceSpan(keySpan, new AbsoluteSourceSpan(keySpan.start.offset + 1, keySpan.end.offset));
            }
            if (value) {
                this._reportError(`Assigning animation triggers via @prop="exp" attributes with an expression is invalid.` +
                    ` Use property bindings (e.g. [@prop]="exp") or use an attribute without a value (e.g. @prop) instead.`, sourceSpan, ParseErrorLevel.ERROR);
            }
            this._parseAnimation(name, value, sourceSpan, absoluteOffset, keySpan, valueSpan, targetMatchableAttrs, targetProps);
        }
        else {
            targetProps.push(new ParsedProperty(name, this._exprParser.wrapLiteralPrimitive(value, '', absoluteOffset), ParsedPropertyType.LITERAL_ATTR, sourceSpan, keySpan, valueSpan));
        }
    }
    parsePropertyBinding(name, expression, isHost, sourceSpan, absoluteOffset, valueSpan, 
    // TODO(atscott): keySpan is only optional here so VE template parser implementation does not
    // have to change This should be required when VE is removed.
    targetMatchableAttrs, targetProps, keySpan) {
        if (name.length === 0) {
            this._reportError(`Property name is missing in binding`, sourceSpan);
        }
        let isAnimationProp = false;
        if (name.startsWith(ANIMATE_PROP_PREFIX)) {
            isAnimationProp = true;
            name = name.substring(ANIMATE_PROP_PREFIX.length);
            if (keySpan !== undefined) {
                keySpan = moveParseSourceSpan(keySpan, new AbsoluteSourceSpan(keySpan.start.offset + ANIMATE_PROP_PREFIX.length, keySpan.end.offset));
            }
        }
        else if (isAnimationLabel(name)) {
            isAnimationProp = true;
            name = name.substring(1);
            if (keySpan !== undefined) {
                keySpan = moveParseSourceSpan(keySpan, new AbsoluteSourceSpan(keySpan.start.offset + 1, keySpan.end.offset));
            }
        }
        if (isAnimationProp) {
            this._parseAnimation(name, expression, sourceSpan, absoluteOffset, keySpan, valueSpan, targetMatchableAttrs, targetProps);
        }
        else {
            this._parsePropertyAst(name, this._parseBinding(expression, isHost, valueSpan || sourceSpan, absoluteOffset), sourceSpan, keySpan, valueSpan, targetMatchableAttrs, targetProps);
        }
    }
    parsePropertyInterpolation(name, value, sourceSpan, valueSpan, targetMatchableAttrs, 
    // TODO(atscott): keySpan is only optional here so VE template parser implementation does not
    // have to change This should be required when VE is removed.
    targetProps, keySpan) {
        const expr = this.parseInterpolation(value, valueSpan || sourceSpan);
        if (expr) {
            this._parsePropertyAst(name, expr, sourceSpan, keySpan, valueSpan, targetMatchableAttrs, targetProps);
            return true;
        }
        return false;
    }
    _parsePropertyAst(name, ast, sourceSpan, keySpan, valueSpan, targetMatchableAttrs, targetProps) {
        targetMatchableAttrs.push([name, ast.source]);
        targetProps.push(new ParsedProperty(name, ast, ParsedPropertyType.DEFAULT, sourceSpan, keySpan, valueSpan));
    }
    _parseAnimation(name, expression, sourceSpan, absoluteOffset, keySpan, valueSpan, targetMatchableAttrs, targetProps) {
        if (name.length === 0) {
            this._reportError('Animation trigger is missing', sourceSpan);
        }
        // This will occur when a @trigger is not paired with an expression.
        // For animations it is valid to not have an expression since */void
        // states will be applied by angular when the element is attached/detached
        const ast = this._parseBinding(expression || 'undefined', false, valueSpan || sourceSpan, absoluteOffset);
        targetMatchableAttrs.push([name, ast.source]);
        targetProps.push(new ParsedProperty(name, ast, ParsedPropertyType.ANIMATION, sourceSpan, keySpan, valueSpan));
    }
    _parseBinding(value, isHostBinding, sourceSpan, absoluteOffset) {
        const sourceInfo = (sourceSpan && sourceSpan.start || '(unknown)').toString();
        try {
            const ast = isHostBinding ?
                this._exprParser.parseSimpleBinding(value, sourceInfo, absoluteOffset, this._interpolationConfig) :
                this._exprParser.parseBinding(value, sourceInfo, absoluteOffset, this._interpolationConfig);
            if (ast)
                this._reportExpressionParserErrors(ast.errors, sourceSpan);
            this._checkPipes(ast, sourceSpan);
            return ast;
        }
        catch (e) {
            this._reportError(`${e}`, sourceSpan);
            return this._exprParser.wrapLiteralPrimitive('ERROR', sourceInfo, absoluteOffset);
        }
    }
    createBoundElementProperty(elementSelector, boundProp, skipValidation = false, mapPropertyName = true) {
        if (boundProp.isAnimation) {
            return new BoundElementProperty(boundProp.name, 4 /* Animation */, SecurityContext.NONE, boundProp.expression, null, boundProp.sourceSpan, boundProp.keySpan, boundProp.valueSpan);
        }
        let unit = null;
        let bindingType = undefined;
        let boundPropertyName = null;
        const parts = boundProp.name.split(PROPERTY_PARTS_SEPARATOR);
        let securityContexts = undefined;
        // Check for special cases (prefix style, attr, class)
        if (parts.length > 1) {
            if (parts[0] == ATTRIBUTE_PREFIX) {
                boundPropertyName = parts.slice(1).join(PROPERTY_PARTS_SEPARATOR);
                if (!skipValidation) {
                    this._validatePropertyOrAttributeName(boundPropertyName, boundProp.sourceSpan, true);
                }
                securityContexts = calcPossibleSecurityContexts(this._schemaRegistry, elementSelector, boundPropertyName, true);
                const nsSeparatorIdx = boundPropertyName.indexOf(':');
                if (nsSeparatorIdx > -1) {
                    const ns = boundPropertyName.substring(0, nsSeparatorIdx);
                    const name = boundPropertyName.substring(nsSeparatorIdx + 1);
                    boundPropertyName = mergeNsAndName(ns, name);
                }
                bindingType = 1 /* Attribute */;
            }
            else if (parts[0] == CLASS_PREFIX) {
                boundPropertyName = parts[1];
                bindingType = 2 /* Class */;
                securityContexts = [SecurityContext.NONE];
            }
            else if (parts[0] == STYLE_PREFIX) {
                unit = parts.length > 2 ? parts[2] : null;
                boundPropertyName = parts[1];
                bindingType = 3 /* Style */;
                securityContexts = [SecurityContext.STYLE];
            }
        }
        // If not a special case, use the full property name
        if (boundPropertyName === null) {
            const mappedPropName = this._schemaRegistry.getMappedPropName(boundProp.name);
            boundPropertyName = mapPropertyName ? mappedPropName : boundProp.name;
            securityContexts = calcPossibleSecurityContexts(this._schemaRegistry, elementSelector, mappedPropName, false);
            bindingType = 0 /* Property */;
            if (!skipValidation) {
                this._validatePropertyOrAttributeName(mappedPropName, boundProp.sourceSpan, false);
            }
        }
        return new BoundElementProperty(boundPropertyName, bindingType, securityContexts[0], boundProp.expression, unit, boundProp.sourceSpan, boundProp.keySpan, boundProp.valueSpan);
    }
    // TODO: keySpan should be required but was made optional to avoid changing VE parser.
    parseEvent(name, expression, sourceSpan, handlerSpan, targetMatchableAttrs, targetEvents, keySpan) {
        if (name.length === 0) {
            this._reportError(`Event name is missing in binding`, sourceSpan);
        }
        if (isAnimationLabel(name)) {
            name = name.substr(1);
            if (keySpan !== undefined) {
                keySpan = moveParseSourceSpan(keySpan, new AbsoluteSourceSpan(keySpan.start.offset + 1, keySpan.end.offset));
            }
            this._parseAnimationEvent(name, expression, sourceSpan, handlerSpan, targetEvents, keySpan);
        }
        else {
            this._parseRegularEvent(name, expression, sourceSpan, handlerSpan, targetMatchableAttrs, targetEvents, keySpan);
        }
    }
    calcPossibleSecurityContexts(selector, propName, isAttribute) {
        const prop = this._schemaRegistry.getMappedPropName(propName);
        return calcPossibleSecurityContexts(this._schemaRegistry, selector, prop, isAttribute);
    }
    _parseAnimationEvent(name, expression, sourceSpan, handlerSpan, targetEvents, keySpan) {
        const matches = splitAtPeriod(name, [name, '']);
        const eventName = matches[0];
        const phase = matches[1].toLowerCase();
        const ast = this._parseAction(expression, handlerSpan);
        targetEvents.push(new ParsedEvent(eventName, phase, 1 /* Animation */, ast, sourceSpan, handlerSpan, keySpan));
        if (eventName.length === 0) {
            this._reportError(`Animation event name is missing in binding`, sourceSpan);
        }
        if (phase) {
            if (phase !== 'start' && phase !== 'done') {
                this._reportError(`The provided animation output phase value "${phase}" for "@${eventName}" is not supported (use start or done)`, sourceSpan);
            }
        }
        else {
            this._reportError(`The animation trigger output event (@${eventName}) is missing its phase value name (start or done are currently supported)`, sourceSpan);
        }
    }
    _parseRegularEvent(name, expression, sourceSpan, handlerSpan, targetMatchableAttrs, targetEvents, keySpan) {
        // long format: 'target: eventName'
        const [target, eventName] = splitAtColon(name, [null, name]);
        const ast = this._parseAction(expression, handlerSpan);
        targetMatchableAttrs.push([name, ast.source]);
        targetEvents.push(new ParsedEvent(eventName, target, 0 /* Regular */, ast, sourceSpan, handlerSpan, keySpan));
        // Don't detect directives for event names for now,
        // so don't add the event name to the matchableAttrs
    }
    _parseAction(value, sourceSpan) {
        const sourceInfo = (sourceSpan && sourceSpan.start || '(unknown').toString();
        const absoluteOffset = (sourceSpan && sourceSpan.start) ? sourceSpan.start.offset : 0;
        try {
            const ast = this._exprParser.parseAction(value, sourceInfo, absoluteOffset, this._interpolationConfig);
            if (ast) {
                this._reportExpressionParserErrors(ast.errors, sourceSpan);
            }
            if (!ast || ast.ast instanceof EmptyExpr) {
                this._reportError(`Empty expressions are not allowed`, sourceSpan);
                return this._exprParser.wrapLiteralPrimitive('ERROR', sourceInfo, absoluteOffset);
            }
            this._checkPipes(ast, sourceSpan);
            return ast;
        }
        catch (e) {
            this._reportError(`${e}`, sourceSpan);
            return this._exprParser.wrapLiteralPrimitive('ERROR', sourceInfo, absoluteOffset);
        }
    }
    _reportError(message, sourceSpan, level = ParseErrorLevel.ERROR) {
        this.errors.push(new ParseError(sourceSpan, message, level));
    }
    _reportExpressionParserErrors(errors, sourceSpan) {
        for (const error of errors) {
            this._reportError(error.message, sourceSpan);
        }
    }
    // Make sure all the used pipes are known in `this.pipesByName`
    _checkPipes(ast, sourceSpan) {
        if (ast && this.pipesByName) {
            const collector = new PipeCollector();
            ast.visit(collector);
            collector.pipes.forEach((ast, pipeName) => {
                const pipeMeta = this.pipesByName.get(pipeName);
                if (!pipeMeta) {
                    this._reportError(`The pipe '${pipeName}' could not be found`, new ParseSourceSpan(sourceSpan.start.moveBy(ast.span.start), sourceSpan.start.moveBy(ast.span.end)));
                }
                else {
                    this._usedPipes.set(pipeName, pipeMeta);
                }
            });
        }
    }
    /**
     * @param propName the name of the property / attribute
     * @param sourceSpan
     * @param isAttr true when binding to an attribute
     */
    _validatePropertyOrAttributeName(propName, sourceSpan, isAttr) {
        const report = isAttr ? this._schemaRegistry.validateAttribute(propName) :
            this._schemaRegistry.validateProperty(propName);
        if (report.error) {
            this._reportError(report.msg, sourceSpan, ParseErrorLevel.ERROR);
        }
    }
}
class PipeCollector extends RecursiveAstVisitor$1 {
    constructor() {
        super(...arguments);
        this.pipes = new Map();
    }
    visitPipe(ast, context) {
        this.pipes.set(ast.name, ast);
        ast.exp.visit(this);
        this.visitAll(ast.args, context);
        return null;
    }
}
function isAnimationLabel(name) {
    return name[0] == '@';
}
function calcPossibleSecurityContexts(registry, selector, propName, isAttribute) {
    const ctxs = [];
    CssSelector.parse(selector).forEach((selector) => {
        const elementNames = selector.element ? [selector.element] : registry.allKnownElementNames();
        const notElementNames = new Set(selector.notSelectors.filter(selector => selector.isElementSelector())
            .map((selector) => selector.element));
        const possibleElementNames = elementNames.filter(elementName => !notElementNames.has(elementName));
        ctxs.push(...possibleElementNames.map(elementName => registry.securityContext(elementName, propName, isAttribute)));
    });
    return ctxs.length === 0 ? [SecurityContext.NONE] : Array.from(new Set(ctxs)).sort();
}
/**
 * Compute a new ParseSourceSpan based off an original `sourceSpan` by using
 * absolute offsets from the specified `absoluteSpan`.
 *
 * @param sourceSpan original source span
 * @param absoluteSpan absolute source span to move to
 */
function moveParseSourceSpan(sourceSpan, absoluteSpan) {
    // The difference of two absolute offsets provide the relative offset
    const startDiff = absoluteSpan.start - sourceSpan.start.offset;
    const endDiff = absoluteSpan.end - sourceSpan.end.offset;
    return new ParseSourceSpan(sourceSpan.start.moveBy(startDiff), sourceSpan.end.moveBy(endDiff), sourceSpan.fullStart.moveBy(startDiff), sourceSpan.details);
}

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
const NG_CONTENT_SELECT_ATTR = 'select';
const LINK_ELEMENT = 'link';
const LINK_STYLE_REL_ATTR = 'rel';
const LINK_STYLE_HREF_ATTR = 'href';
const LINK_STYLE_REL_VALUE = 'stylesheet';
const STYLE_ELEMENT = 'style';
const SCRIPT_ELEMENT = 'script';
const NG_NON_BINDABLE_ATTR = 'ngNonBindable';
const NG_PROJECT_AS = 'ngProjectAs';
function preparseElement(ast) {
    let selectAttr = null;
    let hrefAttr = null;
    let relAttr = null;
    let nonBindable = false;
    let projectAs = '';
    ast.attrs.forEach(attr => {
        const lcAttrName = attr.name.toLowerCase();
        if (lcAttrName == NG_CONTENT_SELECT_ATTR) {
            selectAttr = attr.value;
        }
        else if (lcAttrName == LINK_STYLE_HREF_ATTR) {
            hrefAttr = attr.value;
        }
        else if (lcAttrName == LINK_STYLE_REL_ATTR) {
            relAttr = attr.value;
        }
        else if (attr.name == NG_NON_BINDABLE_ATTR) {
            nonBindable = true;
        }
        else if (attr.name == NG_PROJECT_AS) {
            if (attr.value.length > 0) {
                projectAs = attr.value;
            }
        }
    });
    selectAttr = normalizeNgContentSelect(selectAttr);
    const nodeName = ast.name.toLowerCase();
    let type = PreparsedElementType.OTHER;
    if (isNgContent(nodeName)) {
        type = PreparsedElementType.NG_CONTENT;
    }
    else if (nodeName == STYLE_ELEMENT) {
        type = PreparsedElementType.STYLE;
    }
    else if (nodeName == SCRIPT_ELEMENT) {
        type = PreparsedElementType.SCRIPT;
    }
    else if (nodeName == LINK_ELEMENT && relAttr == LINK_STYLE_REL_VALUE) {
        type = PreparsedElementType.STYLESHEET;
    }
    return new PreparsedElement(type, selectAttr, hrefAttr, nonBindable, projectAs);
}
var PreparsedElementType;
(function (PreparsedElementType) {
    PreparsedElementType[PreparsedElementType["NG_CONTENT"] = 0] = "NG_CONTENT";
    PreparsedElementType[PreparsedElementType["STYLE"] = 1] = "STYLE";
    PreparsedElementType[PreparsedElementType["STYLESHEET"] = 2] = "STYLESHEET";
    PreparsedElementType[PreparsedElementType["SCRIPT"] = 3] = "SCRIPT";
    PreparsedElementType[PreparsedElementType["OTHER"] = 4] = "OTHER";
})(PreparsedElementType || (PreparsedElementType = {}));
class PreparsedElement {
    constructor(type, selectAttr, hrefAttr, nonBindable, projectAs) {
        this.type = type;
        this.selectAttr = selectAttr;
        this.hrefAttr = hrefAttr;
        this.nonBindable = nonBindable;
        this.projectAs = projectAs;
    }
}
function normalizeNgContentSelect(selectAttr) {
    if (selectAttr === null || selectAttr.length === 0) {
        return '*';
    }
    return selectAttr;
}

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
const BIND_NAME_REGEXP = /^(?:(?:(?:(bind-)|(let-)|(ref-|#)|(on-)|(bindon-)|(@))(.*))|\[\(([^\)]+)\)\]|\[([^\]]+)\]|\(([^\)]+)\))$/;
// Group 1 = "bind-"
const KW_BIND_IDX = 1;
// Group 2 = "let-"
const KW_LET_IDX = 2;
// Group 3 = "ref-/#"
const KW_REF_IDX = 3;
// Group 4 = "on-"
const KW_ON_IDX = 4;
// Group 5 = "bindon-"
const KW_BINDON_IDX = 5;
// Group 6 = "@"
const KW_AT_IDX = 6;
// Group 7 = the identifier after "bind-", "let-", "ref-/#", "on-", "bindon-" or "@"
const IDENT_KW_IDX = 7;
// Group 8 = identifier inside [()]
const IDENT_BANANA_BOX_IDX = 8;
// Group 9 = identifier inside []
const IDENT_PROPERTY_IDX = 9;
// Group 10 = identifier inside ()
const IDENT_EVENT_IDX = 10;
const TEMPLATE_ATTR_PREFIX$1 = '*';
const CLASS_ATTR = 'class';
let _TEXT_CSS_SELECTOR;
function TEXT_CSS_SELECTOR() {
    if (!_TEXT_CSS_SELECTOR) {
        _TEXT_CSS_SELECTOR = CssSelector.parse('*')[0];
    }
    return _TEXT_CSS_SELECTOR;
}
class TemplateParseError extends ParseError {
    constructor(message, span, level) {
        super(span, message, level);
    }
}
class TemplateParseResult {
    constructor(templateAst, usedPipes, errors) {
        this.templateAst = templateAst;
        this.usedPipes = usedPipes;
        this.errors = errors;
    }
}
class TemplateParser {
    constructor(_config, _reflector, _exprParser, _schemaRegistry, _htmlParser, _console, transforms) {
        this._config = _config;
        this._reflector = _reflector;
        this._exprParser = _exprParser;
        this._schemaRegistry = _schemaRegistry;
        this._htmlParser = _htmlParser;
        this._console = _console;
        this.transforms = transforms;
    }
    get expressionParser() {
        return this._exprParser;
    }
    parse(component, template, directives, pipes, schemas, templateUrl, preserveWhitespaces) {
        var _a;
        const result = this.tryParse(component, template, directives, pipes, schemas, templateUrl, preserveWhitespaces);
        const warnings = result.errors.filter(error => error.level === ParseErrorLevel.WARNING);
        const errors = result.errors.filter(error => error.level === ParseErrorLevel.ERROR);
        if (warnings.length > 0) {
            (_a = this._console) === null || _a === void 0 ? void 0 : _a.warn(`Template parse warnings:\n${warnings.join('\n')}`);
        }
        if (errors.length > 0) {
            const errorString = errors.join('\n');
            throw syntaxError(`Template parse errors:\n${errorString}`, errors);
        }
        return { template: result.templateAst, pipes: result.usedPipes };
    }
    tryParse(component, template, directives, pipes, schemas, templateUrl, preserveWhitespaces) {
        let htmlParseResult = typeof template === 'string' ?
            this._htmlParser.parse(template, templateUrl, {
                tokenizeExpansionForms: true,
                interpolationConfig: this.getInterpolationConfig(component)
            }) :
            template;
        if (!preserveWhitespaces) {
            htmlParseResult = removeWhitespaces(htmlParseResult);
        }
        return this.tryParseHtml(this.expandHtml(htmlParseResult), component, directives, pipes, schemas);
    }
    tryParseHtml(htmlAstWithErrors, component, directives, pipes, schemas) {
        let result;
        const errors = htmlAstWithErrors.errors;
        const usedPipes = [];
        if (htmlAstWithErrors.rootNodes.length > 0) {
            const uniqDirectives = removeSummaryDuplicates(directives);
            const uniqPipes = removeSummaryDuplicates(pipes);
            const providerViewContext = new ProviderViewContext(this._reflector, component);
            let interpolationConfig = undefined;
            if (component.template && component.template.interpolation) {
                interpolationConfig = {
                    start: component.template.interpolation[0],
                    end: component.template.interpolation[1]
                };
            }
            const bindingParser = new BindingParser(this._exprParser, interpolationConfig, this._schemaRegistry, uniqPipes, errors);
            const parseVisitor = new TemplateParseVisitor(this._reflector, this._config, providerViewContext, uniqDirectives, bindingParser, this._schemaRegistry, schemas, errors);
            result = visitAll$1(parseVisitor, htmlAstWithErrors.rootNodes, EMPTY_ELEMENT_CONTEXT);
            errors.push(...providerViewContext.errors);
            usedPipes.push(...bindingParser.getUsedPipes());
        }
        else {
            result = [];
        }
        this._assertNoReferenceDuplicationOnTemplate(result, errors);
        if (errors.length > 0) {
            return new TemplateParseResult(result, usedPipes, errors);
        }
        if (this.transforms) {
            this.transforms.forEach((transform) => {
                result = templateVisitAll(transform, result);
            });
        }
        return new TemplateParseResult(result, usedPipes, errors);
    }
    expandHtml(htmlAstWithErrors, forced = false) {
        const errors = htmlAstWithErrors.errors;
        if (errors.length == 0 || forced) {
            // Transform ICU messages to angular directives
            const expandedHtmlAst = expandNodes(htmlAstWithErrors.rootNodes);
            errors.push(...expandedHtmlAst.errors);
            htmlAstWithErrors = new ParseTreeResult(expandedHtmlAst.nodes, errors);
        }
        return htmlAstWithErrors;
    }
    getInterpolationConfig(component) {
        if (component.template) {
            return InterpolationConfig.fromArray(component.template.interpolation);
        }
        return undefined;
    }
    /** @internal */
    _assertNoReferenceDuplicationOnTemplate(result, errors) {
        const existingReferences = [];
        result.filter(element => !!element.references)
            .forEach(element => element.references.forEach((reference) => {
            const name = reference.name;
            if (existingReferences.indexOf(name) < 0) {
                existingReferences.push(name);
            }
            else {
                const error = new TemplateParseError(`Reference "#${name}" is defined several times`, reference.sourceSpan, ParseErrorLevel.ERROR);
                errors.push(error);
            }
        }));
    }
}
class TemplateParseVisitor {
    constructor(reflector, config, providerViewContext, directives, _bindingParser, _schemaRegistry, _schemas, _targetErrors) {
        this.reflector = reflector;
        this.config = config;
        this.providerViewContext = providerViewContext;
        this._bindingParser = _bindingParser;
        this._schemaRegistry = _schemaRegistry;
        this._schemas = _schemas;
        this._targetErrors = _targetErrors;
        this.selectorMatcher = new SelectorMatcher();
        this.directivesIndex = new Map();
        this.ngContentCount = 0;
        // Note: queries start with id 1 so we can use the number in a Bloom filter!
        this.contentQueryStartId = providerViewContext.component.viewQueries.length + 1;
        directives.forEach((directive, index) => {
            const selector = CssSelector.parse(directive.selector);
            this.selectorMatcher.addSelectables(selector, directive);
            this.directivesIndex.set(directive, index);
        });
    }
    visitExpansion(expansion, context) {
        return null;
    }
    visitExpansionCase(expansionCase, context) {
        return null;
    }
    visitText(text, parent) {
        const ngContentIndex = parent.findNgContentIndex(TEXT_CSS_SELECTOR());
        const valueNoNgsp = replaceNgsp(text.value);
        const expr = this._bindingParser.parseInterpolation(valueNoNgsp, text.sourceSpan);
        return expr ? new BoundTextAst(expr, ngContentIndex, text.sourceSpan) :
            new TextAst(valueNoNgsp, ngContentIndex, text.sourceSpan);
    }
    visitAttribute(attribute, context) {
        return new AttrAst(attribute.name, attribute.value, attribute.sourceSpan);
    }
    visitComment(comment, context) {
        return null;
    }
    visitElement(element, parent) {
        const queryStartIndex = this.contentQueryStartId;
        const elName = element.name;
        const preparsedElement = preparseElement(element);
        if (preparsedElement.type === PreparsedElementType.SCRIPT ||
            preparsedElement.type === PreparsedElementType.STYLE) {
            // Skipping <script> for security reasons
            // Skipping <style> as we already processed them
            // in the StyleCompiler
            return null;
        }
        if (preparsedElement.type === PreparsedElementType.STYLESHEET &&
            isStyleUrlResolvable(preparsedElement.hrefAttr)) {
            // Skipping stylesheets with either relative urls or package scheme as we already processed
            // them in the StyleCompiler
            return null;
        }
        const matchableAttrs = [];
        const elementOrDirectiveProps = [];
        const elementOrDirectiveRefs = [];
        const elementVars = [];
        const events = [];
        const templateElementOrDirectiveProps = [];
        const templateMatchableAttrs = [];
        const templateElementVars = [];
        let hasInlineTemplates = false;
        const attrs = [];
        const isTemplateElement = isNgTemplate(element.name);
        element.attrs.forEach(attr => {
            const parsedVariables = [];
            const hasBinding = this._parseAttr(isTemplateElement, attr, matchableAttrs, elementOrDirectiveProps, events, elementOrDirectiveRefs, elementVars);
            elementVars.push(...parsedVariables.map(v => VariableAst.fromParsedVariable(v)));
            let templateValue;
            let templateKey;
            const normalizedName = this._normalizeAttributeName(attr.name);
            if (normalizedName.startsWith(TEMPLATE_ATTR_PREFIX$1)) {
                templateValue = attr.value;
                templateKey = normalizedName.substring(TEMPLATE_ATTR_PREFIX$1.length);
            }
            const hasTemplateBinding = templateValue != null;
            if (hasTemplateBinding) {
                if (hasInlineTemplates) {
                    this._reportError(`Can't have multiple template bindings on one element. Use only one attribute prefixed with *`, attr.sourceSpan);
                }
                hasInlineTemplates = true;
                const parsedVariables = [];
                const absoluteOffset = (attr.valueSpan || attr.sourceSpan).start.offset;
                this._bindingParser.parseInlineTemplateBinding(templateKey, templateValue, attr.sourceSpan, absoluteOffset, templateMatchableAttrs, templateElementOrDirectiveProps, parsedVariables, false /* isIvyAst */);
                templateElementVars.push(...parsedVariables.map(v => VariableAst.fromParsedVariable(v)));
            }
            if (!hasBinding && !hasTemplateBinding) {
                // don't include the bindings as attributes as well in the AST
                attrs.push(this.visitAttribute(attr, null));
                matchableAttrs.push([attr.name, attr.value]);
            }
        });
        const elementCssSelector = createElementCssSelector(elName, matchableAttrs);
        const { directives: directiveMetas, matchElement } = this._parseDirectives(this.selectorMatcher, elementCssSelector);
        const references = [];
        const boundDirectivePropNames = new Set();
        const directiveAsts = this._createDirectiveAsts(isTemplateElement, element.name, directiveMetas, elementOrDirectiveProps, elementOrDirectiveRefs, element.sourceSpan, references, boundDirectivePropNames);
        const elementProps = this._createElementPropertyAsts(element.name, elementOrDirectiveProps, boundDirectivePropNames);
        const isViewRoot = parent.isTemplateElement || hasInlineTemplates;
        const providerContext = new ProviderElementContext(this.providerViewContext, parent.providerContext, isViewRoot, directiveAsts, attrs, references, isTemplateElement, queryStartIndex, element.sourceSpan);
        const children = visitAll$1(preparsedElement.nonBindable ? NON_BINDABLE_VISITOR : this, element.children, ElementContext.create(isTemplateElement, directiveAsts, isTemplateElement ? parent.providerContext : providerContext));
        providerContext.afterElement();
        // Override the actual selector when the `ngProjectAs` attribute is provided
        const projectionSelector = preparsedElement.projectAs != '' ?
            CssSelector.parse(preparsedElement.projectAs)[0] :
            elementCssSelector;
        const ngContentIndex = parent.findNgContentIndex(projectionSelector);
        let parsedElement;
        if (preparsedElement.type === PreparsedElementType.NG_CONTENT) {
            // `<ng-content>` element
            if (element.children && !element.children.every(_isEmptyTextNode)) {
                this._reportError(`<ng-content> element cannot have content.`, element.sourceSpan);
            }
            parsedElement = new NgContentAst(this.ngContentCount++, hasInlineTemplates ? null : ngContentIndex, element.sourceSpan);
        }
        else if (isTemplateElement) {
            // `<ng-template>` element
            this._assertAllEventsPublishedByDirectives(directiveAsts, events);
            this._assertNoComponentsNorElementBindingsOnTemplate(directiveAsts, elementProps, element.sourceSpan);
            parsedElement = new EmbeddedTemplateAst(attrs, events, references, elementVars, providerContext.transformedDirectiveAsts, providerContext.transformProviders, providerContext.transformedHasViewContainer, providerContext.queryMatches, children, hasInlineTemplates ? null : ngContentIndex, element.sourceSpan);
        }
        else {
            // element other than `<ng-content>` and `<ng-template>`
            this._assertElementExists(matchElement, element);
            this._assertOnlyOneComponent(directiveAsts, element.sourceSpan);
            const ngContentIndex = hasInlineTemplates ? null : parent.findNgContentIndex(projectionSelector);
            parsedElement = new ElementAst(elName, attrs, elementProps, events, references, providerContext.transformedDirectiveAsts, providerContext.transformProviders, providerContext.transformedHasViewContainer, providerContext.queryMatches, children, hasInlineTemplates ? null : ngContentIndex, element.sourceSpan, element.endSourceSpan || null);
        }
        if (hasInlineTemplates) {
            // The element as a *-attribute
            const templateQueryStartIndex = this.contentQueryStartId;
            const templateSelector = createElementCssSelector('ng-template', templateMatchableAttrs);
            const { directives } = this._parseDirectives(this.selectorMatcher, templateSelector);
            const templateBoundDirectivePropNames = new Set();
            const templateDirectiveAsts = this._createDirectiveAsts(true, elName, directives, templateElementOrDirectiveProps, [], element.sourceSpan, [], templateBoundDirectivePropNames);
            const templateElementProps = this._createElementPropertyAsts(elName, templateElementOrDirectiveProps, templateBoundDirectivePropNames);
            this._assertNoComponentsNorElementBindingsOnTemplate(templateDirectiveAsts, templateElementProps, element.sourceSpan);
            const templateProviderContext = new ProviderElementContext(this.providerViewContext, parent.providerContext, parent.isTemplateElement, templateDirectiveAsts, [], [], true, templateQueryStartIndex, element.sourceSpan);
            templateProviderContext.afterElement();
            parsedElement = new EmbeddedTemplateAst([], [], [], templateElementVars, templateProviderContext.transformedDirectiveAsts, templateProviderContext.transformProviders, templateProviderContext.transformedHasViewContainer, templateProviderContext.queryMatches, [parsedElement], ngContentIndex, element.sourceSpan);
        }
        return parsedElement;
    }
    _parseAttr(isTemplateElement, attr, targetMatchableAttrs, targetProps, targetEvents, targetRefs, targetVars) {
        const name = this._normalizeAttributeName(attr.name);
        const value = attr.value;
        const srcSpan = attr.sourceSpan;
        const absoluteOffset = attr.valueSpan ? attr.valueSpan.start.offset : srcSpan.start.offset;
        const boundEvents = [];
        const bindParts = name.match(BIND_NAME_REGEXP);
        let hasBinding = false;
        if (bindParts !== null) {
            hasBinding = true;
            if (bindParts[KW_BIND_IDX] != null) {
                this._bindingParser.parsePropertyBinding(bindParts[IDENT_KW_IDX], value, false, srcSpan, absoluteOffset, attr.valueSpan, targetMatchableAttrs, targetProps);
            }
            else if (bindParts[KW_LET_IDX]) {
                if (isTemplateElement) {
                    const identifier = bindParts[IDENT_KW_IDX];
                    this._parseVariable(identifier, value, srcSpan, targetVars);
                }
                else {
                    this._reportError(`"let-" is only supported on ng-template elements.`, srcSpan);
                }
            }
            else if (bindParts[KW_REF_IDX]) {
                const identifier = bindParts[IDENT_KW_IDX];
                this._parseReference(identifier, value, srcSpan, targetRefs);
            }
            else if (bindParts[KW_ON_IDX]) {
                this._bindingParser.parseEvent(bindParts[IDENT_KW_IDX], value, srcSpan, attr.valueSpan || srcSpan, targetMatchableAttrs, boundEvents);
            }
            else if (bindParts[KW_BINDON_IDX]) {
                this._bindingParser.parsePropertyBinding(bindParts[IDENT_KW_IDX], value, false, srcSpan, absoluteOffset, attr.valueSpan, targetMatchableAttrs, targetProps);
                this._parseAssignmentEvent(bindParts[IDENT_KW_IDX], value, srcSpan, attr.valueSpan || srcSpan, targetMatchableAttrs, boundEvents);
            }
            else if (bindParts[KW_AT_IDX]) {
                this._bindingParser.parseLiteralAttr(name, value, srcSpan, absoluteOffset, attr.valueSpan, targetMatchableAttrs, targetProps);
            }
            else if (bindParts[IDENT_BANANA_BOX_IDX]) {
                this._bindingParser.parsePropertyBinding(bindParts[IDENT_BANANA_BOX_IDX], value, false, srcSpan, absoluteOffset, attr.valueSpan, targetMatchableAttrs, targetProps);
                this._parseAssignmentEvent(bindParts[IDENT_BANANA_BOX_IDX], value, srcSpan, attr.valueSpan || srcSpan, targetMatchableAttrs, boundEvents);
            }
            else if (bindParts[IDENT_PROPERTY_IDX]) {
                this._bindingParser.parsePropertyBinding(bindParts[IDENT_PROPERTY_IDX], value, false, srcSpan, absoluteOffset, attr.valueSpan, targetMatchableAttrs, targetProps);
            }
            else if (bindParts[IDENT_EVENT_IDX]) {
                this._bindingParser.parseEvent(bindParts[IDENT_EVENT_IDX], value, srcSpan, attr.valueSpan || srcSpan, targetMatchableAttrs, boundEvents);
            }
        }
        else {
            hasBinding = this._bindingParser.parsePropertyInterpolation(name, value, srcSpan, attr.valueSpan, targetMatchableAttrs, targetProps);
        }
        if (!hasBinding) {
            this._bindingParser.parseLiteralAttr(name, value, srcSpan, absoluteOffset, attr.valueSpan, targetMatchableAttrs, targetProps);
        }
        targetEvents.push(...boundEvents.map(e => BoundEventAst.fromParsedEvent(e)));
        return hasBinding;
    }
    _normalizeAttributeName(attrName) {
        return /^data-/i.test(attrName) ? attrName.substring(5) : attrName;
    }
    _parseVariable(identifier, value, sourceSpan, targetVars) {
        if (identifier.indexOf('-') > -1) {
            this._reportError(`"-" is not allowed in variable names`, sourceSpan);
        }
        else if (identifier.length === 0) {
            this._reportError(`Variable does not have a name`, sourceSpan);
        }
        targetVars.push(new VariableAst(identifier, value, sourceSpan));
    }
    _parseReference(identifier, value, sourceSpan, targetRefs) {
        if (identifier.indexOf('-') > -1) {
            this._reportError(`"-" is not allowed in reference names`, sourceSpan);
        }
        else if (identifier.length === 0) {
            this._reportError(`Reference does not have a name`, sourceSpan);
        }
        targetRefs.push(new ElementOrDirectiveRef(identifier, value, sourceSpan));
    }
    _parseAssignmentEvent(name, expression, sourceSpan, valueSpan, targetMatchableAttrs, targetEvents) {
        this._bindingParser.parseEvent(`${name}Change`, `${expression}=$event`, sourceSpan, valueSpan, targetMatchableAttrs, targetEvents);
    }
    _parseDirectives(selectorMatcher, elementCssSelector) {
        // Need to sort the directives so that we get consistent results throughout,
        // as selectorMatcher uses Maps inside.
        // Also deduplicate directives as they might match more than one time!
        const directives = newArray(this.directivesIndex.size);
        // Whether any directive selector matches on the element name
        let matchElement = false;
        selectorMatcher.match(elementCssSelector, (selector, directive) => {
            directives[this.directivesIndex.get(directive)] = directive;
            matchElement = matchElement || selector.hasElementSelector();
        });
        return {
            directives: directives.filter(dir => !!dir),
            matchElement,
        };
    }
    _createDirectiveAsts(isTemplateElement, elementName, directives, props, elementOrDirectiveRefs, elementSourceSpan, targetReferences, targetBoundDirectivePropNames) {
        const matchedReferences = new Set();
        let component = null;
        const directiveAsts = directives.map((directive) => {
            const sourceSpan = new ParseSourceSpan(elementSourceSpan.start, elementSourceSpan.end, elementSourceSpan.fullStart, `Directive ${identifierName(directive.type)}`);
            if (directive.isComponent) {
                component = directive;
            }
            const directiveProperties = [];
            const boundProperties = this._bindingParser.createDirectiveHostPropertyAsts(directive, elementName, sourceSpan);
            let hostProperties = boundProperties.map(prop => BoundElementPropertyAst.fromBoundProperty(prop));
            // Note: We need to check the host properties here as well,
            // as we don't know the element name in the DirectiveWrapperCompiler yet.
            hostProperties = this._checkPropertiesInSchema(elementName, hostProperties);
            const parsedEvents = this._bindingParser.createDirectiveHostEventAsts(directive, sourceSpan);
            this._createDirectivePropertyAsts(directive.inputs, props, directiveProperties, targetBoundDirectivePropNames);
            elementOrDirectiveRefs.forEach((elOrDirRef) => {
                if ((elOrDirRef.value.length === 0 && directive.isComponent) ||
                    (elOrDirRef.isReferenceToDirective(directive))) {
                    targetReferences.push(new ReferenceAst(elOrDirRef.name, createTokenForReference(directive.type.reference), elOrDirRef.value, elOrDirRef.sourceSpan));
                    matchedReferences.add(elOrDirRef.name);
                }
            });
            const hostEvents = parsedEvents.map(e => BoundEventAst.fromParsedEvent(e));
            const contentQueryStartId = this.contentQueryStartId;
            this.contentQueryStartId += directive.queries.length;
            return new DirectiveAst(directive, directiveProperties, hostProperties, hostEvents, contentQueryStartId, sourceSpan);
        });
        elementOrDirectiveRefs.forEach((elOrDirRef) => {
            if (elOrDirRef.value.length > 0) {
                if (!matchedReferences.has(elOrDirRef.name)) {
                    this._reportError(`There is no directive with "exportAs" set to "${elOrDirRef.value}"`, elOrDirRef.sourceSpan);
                }
            }
            else if (!component) {
                let refToken = null;
                if (isTemplateElement) {
                    refToken = createTokenForExternalReference(this.reflector, Identifiers$1.TemplateRef);
                }
                targetReferences.push(new ReferenceAst(elOrDirRef.name, refToken, elOrDirRef.value, elOrDirRef.sourceSpan));
            }
        });
        return directiveAsts;
    }
    _createDirectivePropertyAsts(directiveProperties, boundProps, targetBoundDirectiveProps, targetBoundDirectivePropNames) {
        if (directiveProperties) {
            const boundPropsByName = new Map();
            boundProps.forEach(boundProp => {
                const prevValue = boundPropsByName.get(boundProp.name);
                if (!prevValue || prevValue.isLiteral) {
                    // give [a]="b" a higher precedence than a="b" on the same element
                    boundPropsByName.set(boundProp.name, boundProp);
                }
            });
            Object.keys(directiveProperties).forEach(dirProp => {
                const elProp = directiveProperties[dirProp];
                const boundProp = boundPropsByName.get(elProp);
                // Bindings are optional, so this binding only needs to be set up if an expression is given.
                if (boundProp) {
                    targetBoundDirectivePropNames.add(boundProp.name);
                    if (!isEmptyExpression(boundProp.expression)) {
                        targetBoundDirectiveProps.push(new BoundDirectivePropertyAst(dirProp, boundProp.name, boundProp.expression, boundProp.sourceSpan));
                    }
                }
            });
        }
    }
    _createElementPropertyAsts(elementName, props, boundDirectivePropNames) {
        const boundElementProps = [];
        props.forEach((prop) => {
            if (!prop.isLiteral && !boundDirectivePropNames.has(prop.name)) {
                const boundProp = this._bindingParser.createBoundElementProperty(elementName, prop);
                boundElementProps.push(BoundElementPropertyAst.fromBoundProperty(boundProp));
            }
        });
        return this._checkPropertiesInSchema(elementName, boundElementProps);
    }
    _findComponentDirectives(directives) {
        return directives.filter(directive => directive.directive.isComponent);
    }
    _findComponentDirectiveNames(directives) {
        return this._findComponentDirectives(directives)
            .map(directive => identifierName(directive.directive.type));
    }
    _assertOnlyOneComponent(directives, sourceSpan) {
        const componentTypeNames = this._findComponentDirectiveNames(directives);
        if (componentTypeNames.length > 1) {
            this._reportError(`More than one component matched on this element.\n` +
                `Make sure that only one component's selector can match a given element.\n` +
                `Conflicting components: ${componentTypeNames.join(',')}`, sourceSpan);
        }
    }
    /**
     * Make sure that non-angular tags conform to the schemas.
     *
     * Note: An element is considered an angular tag when at least one directive selector matches the
     * tag name.
     *
     * @param matchElement Whether any directive has matched on the tag name
     * @param element the html element
     */
    _assertElementExists(matchElement, element) {
        const elName = element.name.replace(/^:xhtml:/, '');
        if (!matchElement && !this._schemaRegistry.hasElement(elName, this._schemas)) {
            let errorMsg = `'${elName}' is not a known element:\n`;
            errorMsg += `1. If '${elName}' is an Angular component, then verify that it is part of this module.\n`;
            if (elName.indexOf('-') > -1) {
                errorMsg += `2. If '${elName}' is a Web Component then add 'CUSTOM_ELEMENTS_SCHEMA' to the '@NgModule.schemas' of this component to suppress this message.`;
            }
            else {
                errorMsg +=
                    `2. To allow any element add 'NO_ERRORS_SCHEMA' to the '@NgModule.schemas' of this component.`;
            }
            this._reportError(errorMsg, element.sourceSpan);
        }
    }
    _assertNoComponentsNorElementBindingsOnTemplate(directives, elementProps, sourceSpan) {
        const componentTypeNames = this._findComponentDirectiveNames(directives);
        if (componentTypeNames.length > 0) {
            this._reportError(`Components on an embedded template: ${componentTypeNames.join(',')}`, sourceSpan);
        }
        elementProps.forEach(prop => {
            this._reportError(`Property binding ${prop.name} not used by any directive on an embedded template. Make sure that the property name is spelled correctly and all directives are listed in the "@NgModule.declarations".`, sourceSpan);
        });
    }
    _assertAllEventsPublishedByDirectives(directives, events) {
        const allDirectiveEvents = new Set();
        directives.forEach(directive => {
            Object.keys(directive.directive.outputs).forEach(k => {
                const eventName = directive.directive.outputs[k];
                allDirectiveEvents.add(eventName);
            });
        });
        events.forEach(event => {
            if (event.target != null || !allDirectiveEvents.has(event.name)) {
                this._reportError(`Event binding ${event
                    .fullName} not emitted by any directive on an embedded template. Make sure that the event name is spelled correctly and all directives are listed in the "@NgModule.declarations".`, event.sourceSpan);
            }
        });
    }
    _checkPropertiesInSchema(elementName, boundProps) {
        // Note: We can't filter out empty expressions before this method,
        // as we still want to validate them!
        return boundProps.filter((boundProp) => {
            if (boundProp.type === 0 /* Property */ &&
                !this._schemaRegistry.hasProperty(elementName, boundProp.name, this._schemas)) {
                let errorMsg = `Can't bind to '${boundProp.name}' since it isn't a known property of '${elementName}'.`;
                if (elementName.startsWith('ng-')) {
                    errorMsg +=
                        `\n1. If '${boundProp
                            .name}' is an Angular directive, then add 'CommonModule' to the '@NgModule.imports' of this component.` +
                            `\n2. To allow any property add 'NO_ERRORS_SCHEMA' to the '@NgModule.schemas' of this component.`;
                }
                else if (elementName.indexOf('-') > -1) {
                    errorMsg +=
                        `\n1. If '${elementName}' is an Angular component and it has '${boundProp.name}' input, then verify that it is part of this module.` +
                            `\n2. If '${elementName}' is a Web Component then add 'CUSTOM_ELEMENTS_SCHEMA' to the '@NgModule.schemas' of this component to suppress this message.` +
                            `\n3. To allow any property add 'NO_ERRORS_SCHEMA' to the '@NgModule.schemas' of this component.`;
                }
                this._reportError(errorMsg, boundProp.sourceSpan);
            }
            return !isEmptyExpression(boundProp.value);
        });
    }
    _reportError(message, sourceSpan, level = ParseErrorLevel.ERROR) {
        this._targetErrors.push(new ParseError(sourceSpan, message, level));
    }
}
class NonBindableVisitor {
    visitElement(ast, parent) {
        const preparsedElement = preparseElement(ast);
        if (preparsedElement.type === PreparsedElementType.SCRIPT ||
            preparsedElement.type === PreparsedElementType.STYLE ||
            preparsedElement.type === PreparsedElementType.STYLESHEET) {
            // Skipping <script> for security reasons
            // Skipping <style> and stylesheets as we already processed them
            // in the StyleCompiler
            return null;
        }
        const attrNameAndValues = ast.attrs.map((attr) => [attr.name, attr.value]);
        const selector = createElementCssSelector(ast.name, attrNameAndValues);
        const ngContentIndex = parent.findNgContentIndex(selector);
        const children = visitAll$1(this, ast.children, EMPTY_ELEMENT_CONTEXT);
        return new ElementAst(ast.name, visitAll$1(this, ast.attrs), [], [], [], [], [], false, [], children, ngContentIndex, ast.sourceSpan, ast.endSourceSpan);
    }
    visitComment(comment, context) {
        return null;
    }
    visitAttribute(attribute, context) {
        return new AttrAst(attribute.name, attribute.value, attribute.sourceSpan);
    }
    visitText(text, parent) {
        const ngContentIndex = parent.findNgContentIndex(TEXT_CSS_SELECTOR());
        return new TextAst(text.value, ngContentIndex, text.sourceSpan);
    }
    visitExpansion(expansion, context) {
        return expansion;
    }
    visitExpansionCase(expansionCase, context) {
        return expansionCase;
    }
}
/**
 * A reference to an element or directive in a template. E.g., the reference in this template:
 *
 * <div #myMenu="coolMenu">
 *
 * would be {name: 'myMenu', value: 'coolMenu', sourceSpan: ...}
 */
class ElementOrDirectiveRef {
    constructor(name, value, sourceSpan) {
        this.name = name;
        this.value = value;
        this.sourceSpan = sourceSpan;
    }
    /** Gets whether this is a reference to the given directive. */
    isReferenceToDirective(directive) {
        return splitExportAs(directive.exportAs).indexOf(this.value) !== -1;
    }
}
/** Splits a raw, potentially comma-delimited `exportAs` value into an array of names. */
function splitExportAs(exportAs) {
    return exportAs ? exportAs.split(',').map(e => e.trim()) : [];
}
function splitClasses(classAttrValue) {
    return classAttrValue.trim().split(/\s+/g);
}
class ElementContext {
    constructor(isTemplateElement, _ngContentIndexMatcher, _wildcardNgContentIndex, providerContext) {
        this.isTemplateElement = isTemplateElement;
        this._ngContentIndexMatcher = _ngContentIndexMatcher;
        this._wildcardNgContentIndex = _wildcardNgContentIndex;
        this.providerContext = providerContext;
    }
    static create(isTemplateElement, directives, providerContext) {
        const matcher = new SelectorMatcher();
        let wildcardNgContentIndex = null;
        const component = directives.find(directive => directive.directive.isComponent);
        if (component) {
            const ngContentSelectors = component.directive.template.ngContentSelectors;
            for (let i = 0; i < ngContentSelectors.length; i++) {
                const selector = ngContentSelectors[i];
                if (selector === '*') {
                    wildcardNgContentIndex = i;
                }
                else {
                    matcher.addSelectables(CssSelector.parse(ngContentSelectors[i]), i);
                }
            }
        }
        return new ElementContext(isTemplateElement, matcher, wildcardNgContentIndex, providerContext);
    }
    findNgContentIndex(selector) {
        const ngContentIndices = [];
        this._ngContentIndexMatcher.match(selector, (selector, ngContentIndex) => {
            ngContentIndices.push(ngContentIndex);
        });
        ngContentIndices.sort();
        if (this._wildcardNgContentIndex != null) {
            ngContentIndices.push(this._wildcardNgContentIndex);
        }
        return ngContentIndices.length > 0 ? ngContentIndices[0] : null;
    }
}
function createElementCssSelector(elementName, attributes) {
    const cssSelector = new CssSelector();
    const elNameNoNs = splitNsName(elementName)[1];
    cssSelector.setElement(elNameNoNs);
    for (let i = 0; i < attributes.length; i++) {
        const attrName = attributes[i][0];
        const attrNameNoNs = splitNsName(attrName)[1];
        const attrValue = attributes[i][1];
        cssSelector.addAttribute(attrNameNoNs, attrValue);
        if (attrName.toLowerCase() == CLASS_ATTR) {
            const classes = splitClasses(attrValue);
            classes.forEach(className => cssSelector.addClassName(className));
        }
    }
    return cssSelector;
}
const EMPTY_ELEMENT_CONTEXT = new ElementContext(true, new SelectorMatcher(), null, null);
const NON_BINDABLE_VISITOR = new NonBindableVisitor();
function _isEmptyTextNode(node) {
    return node instanceof Text$3 && node.value.trim().length == 0;
}
function removeSummaryDuplicates(items) {
    const map = new Map();
    items.forEach((item) => {
        if (!map.get(item.type.reference)) {
            map.set(item.type.reference, item);
        }
    });
    return Array.from(map.values());
}
function isEmptyExpression(ast) {
    if (ast instanceof ASTWithSource) {
        ast = ast.ast;
    }
    return ast instanceof EmptyExpr;
}

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
/**
 * Parses string representation of a style and converts it into object literal.
 *
 * @param value string representation of style as used in the `style` attribute in HTML.
 *   Example: `color: red; height: auto`.
 * @returns An array of style property name and value pairs, e.g. `['color', 'red', 'height',
 * 'auto']`
 */
function parse(value) {
    // we use a string array here instead of a string map
    // because a string-map is not guaranteed to retain the
    // order of the entries whereas a string array can be
    // constructed in a [key, value, key, value] format.
    const styles = [];
    let i = 0;
    let parenDepth = 0;
    let quote = 0 /* QuoteNone */;
    let valueStart = 0;
    let propStart = 0;
    let currentProp = null;
    let valueHasQuotes = false;
    while (i < value.length) {
        const token = value.charCodeAt(i++);
        switch (token) {
            case 40 /* OpenParen */:
                parenDepth++;
                break;
            case 41 /* CloseParen */:
                parenDepth--;
                break;
            case 39 /* QuoteSingle */:
                // valueStart needs to be there since prop values don't
                // have quotes in CSS
                valueHasQuotes = valueHasQuotes || valueStart > 0;
                if (quote === 0 /* QuoteNone */) {
                    quote = 39 /* QuoteSingle */;
                }
                else if (quote === 39 /* QuoteSingle */ && value.charCodeAt(i - 1) !== 92 /* BackSlash */) {
                    quote = 0 /* QuoteNone */;
                }
                break;
            case 34 /* QuoteDouble */:
                // same logic as above
                valueHasQuotes = valueHasQuotes || valueStart > 0;
                if (quote === 0 /* QuoteNone */) {
                    quote = 34 /* QuoteDouble */;
                }
                else if (quote === 34 /* QuoteDouble */ && value.charCodeAt(i - 1) !== 92 /* BackSlash */) {
                    quote = 0 /* QuoteNone */;
                }
                break;
            case 58 /* Colon */:
                if (!currentProp && parenDepth === 0 && quote === 0 /* QuoteNone */) {
                    currentProp = hyphenate(value.substring(propStart, i - 1).trim());
                    valueStart = i;
                }
                break;
            case 59 /* Semicolon */:
                if (currentProp && valueStart > 0 && parenDepth === 0 && quote === 0 /* QuoteNone */) {
                    const styleVal = value.substring(valueStart, i - 1).trim();
                    styles.push(currentProp, valueHasQuotes ? stripUnnecessaryQuotes(styleVal) : styleVal);
                    propStart = i;
                    valueStart = 0;
                    currentProp = null;
                    valueHasQuotes = false;
                }
                break;
        }
    }
    if (currentProp && valueStart) {
        const styleVal = value.substr(valueStart).trim();
        styles.push(currentProp, valueHasQuotes ? stripUnnecessaryQuotes(styleVal) : styleVal);
    }
    return styles;
}
function stripUnnecessaryQuotes(value) {
    const qS = value.charCodeAt(0);
    const qE = value.charCodeAt(value.length - 1);
    if (qS == qE && (qS == 39 /* QuoteSingle */ || qS == 34 /* QuoteDouble */)) {
        const tempValue = value.substring(1, value.length - 1);
        // special case to avoid using a multi-quoted string that was just chomped
        // (e.g. `font-family: "Verdana", "sans-serif"`)
        if (tempValue.indexOf('\'') == -1 && tempValue.indexOf('"') == -1) {
            value = tempValue;
        }
    }
    return value;
}
function hyphenate(value) {
    return value
        .replace(/[a-z][A-Z]/g, v => {
        return v.charAt(0) + '-' + v.charAt(1);
    })
        .toLowerCase();
}

const IMPORTANT_FLAG = '!important';
/**
 * Minimum amount of binding slots required in the runtime for style/class bindings.
 *
 * Styling in Angular uses up two slots in the runtime LView/TData data structures to
 * record binding data, property information and metadata.
 *
 * When a binding is registered it will place the following information in the `LView`:
 *
 * slot 1) binding value
 * slot 2) cached value (all other values collected before it in string form)
 *
 * When a binding is registered it will place the following information in the `TData`:
 *
 * slot 1) prop name
 * slot 2) binding index that points to the previous style/class binding (and some extra config
 * values)
 *
 * Let's imagine we have a binding that looks like so:
 *
 * ```
 * <div [style.width]="x" [style.height]="y">
 * ```
 *
 * Our `LView` and `TData` data-structures look like so:
 *
 * ```typescript
 * LView = [
 *   // ...
 *   x, // value of x
 *   "width: x",
 *
 *   y, // value of y
 *   "width: x; height: y",
 *   // ...
 * ];
 *
 * TData = [
 *   // ...
 *   "width", // binding slot 20
 *   0,
 *
 *   "height",
 *   20,
 *   // ...
 * ];
 * ```
 *
 * */
const MIN_STYLING_BINDING_SLOTS_REQUIRED = 2;
/**
 * Produces creation/update instructions for all styling bindings (class and style)
 *
 * It also produces the creation instruction to register all initial styling values
 * (which are all the static class="..." and style="..." attribute values that exist
 * on an element within a template).
 *
 * The builder class below handles producing instructions for the following cases:
 *
 * - Static style/class attributes (style="..." and class="...")
 * - Dynamic style/class map bindings ([style]="map" and [class]="map|string")
 * - Dynamic style/class property bindings ([style.prop]="exp" and [class.name]="exp")
 *
 * Due to the complex relationship of all of these cases, the instructions generated
 * for these attributes/properties/bindings must be done so in the correct order. The
 * order which these must be generated is as follows:
 *
 * if (createMode) {
 *   styling(...)
 * }
 * if (updateMode) {
 *   styleMap(...)
 *   classMap(...)
 *   styleProp(...)
 *   classProp(...)
 * }
 *
 * The creation/update methods within the builder class produce these instructions.
 */
class StylingBuilder {
    constructor(_directiveExpr) {
        this._directiveExpr = _directiveExpr;
        /** Whether or not there are any static styling values present */
        this._hasInitialValues = false;
        /**
         *  Whether or not there are any styling bindings present
         *  (i.e. `[style]`, `[class]`, `[style.prop]` or `[class.name]`)
         */
        this.hasBindings = false;
        this.hasBindingsWithPipes = false;
        /** the input for [class] (if it exists) */
        this._classMapInput = null;
        /** the input for [style] (if it exists) */
        this._styleMapInput = null;
        /** an array of each [style.prop] input */
        this._singleStyleInputs = null;
        /** an array of each [class.name] input */
        this._singleClassInputs = null;
        this._lastStylingInput = null;
        this._firstStylingInput = null;
        // maps are used instead of hash maps because a Map will
        // retain the ordering of the keys
        /**
         * Represents the location of each style binding in the template
         * (e.g. `<div [style.width]="w" [style.height]="h">` implies
         * that `width=0` and `height=1`)
         */
        this._stylesIndex = new Map();
        /**
         * Represents the location of each class binding in the template
         * (e.g. `<div [class.big]="b" [class.hidden]="h">` implies
         * that `big=0` and `hidden=1`)
         */
        this._classesIndex = new Map();
        this._initialStyleValues = [];
        this._initialClassValues = [];
    }
    /**
     * Registers a given input to the styling builder to be later used when producing AOT code.
     *
     * The code below will only accept the input if it is somehow tied to styling (whether it be
     * style/class bindings or static style/class attributes).
     */
    registerBoundInput(input) {
        // [attr.style] or [attr.class] are skipped in the code below,
        // they should not be treated as styling-based bindings since
        // they are intended to be written directly to the attr and
        // will therefore skip all style/class resolution that is present
        // with style="", [style]="" and [style.prop]="", class="",
        // [class.prop]="". [class]="" assignments
        let binding = null;
        let name = input.name;
        switch (input.type) {
            case 0 /* Property */:
                binding = this.registerInputBasedOnName(name, input.value, input.sourceSpan);
                break;
            case 3 /* Style */:
                binding = this.registerStyleInput(name, false, input.value, input.sourceSpan, input.unit);
                break;
            case 2 /* Class */:
                binding = this.registerClassInput(name, false, input.value, input.sourceSpan);
                break;
        }
        return binding ? true : false;
    }
    registerInputBasedOnName(name, expression, sourceSpan) {
        let binding = null;
        const prefix = name.substring(0, 6);
        const isStyle = name === 'style' || prefix === 'style.' || prefix === 'style!';
        const isClass = !isStyle && (name === 'class' || prefix === 'class.' || prefix === 'class!');
        if (isStyle || isClass) {
            const isMapBased = name.charAt(5) !== '.'; // style.prop or class.prop makes this a no
            const property = name.substr(isMapBased ? 5 : 6); // the dot explains why there's a +1
            if (isStyle) {
                binding = this.registerStyleInput(property, isMapBased, expression, sourceSpan);
            }
            else {
                binding = this.registerClassInput(property, isMapBased, expression, sourceSpan);
            }
        }
        return binding;
    }
    registerStyleInput(name, isMapBased, value, sourceSpan, suffix) {
        if (isEmptyExpression(value)) {
            return null;
        }
        // CSS custom properties are case-sensitive so we shouldn't normalize them.
        // See: https://www.w3.org/TR/css-variables-1/#defining-variables
        if (!isCssCustomProperty(name)) {
            name = hyphenate(name);
        }
        const { property, hasOverrideFlag, suffix: bindingSuffix } = parseProperty(name);
        suffix = typeof suffix === 'string' && suffix.length !== 0 ? suffix : bindingSuffix;
        const entry = { name: property, suffix: suffix, value, sourceSpan, hasOverrideFlag };
        if (isMapBased) {
            this._styleMapInput = entry;
        }
        else {
            (this._singleStyleInputs = this._singleStyleInputs || []).push(entry);
            registerIntoMap(this._stylesIndex, property);
        }
        this._lastStylingInput = entry;
        this._firstStylingInput = this._firstStylingInput || entry;
        this._checkForPipes(value);
        this.hasBindings = true;
        return entry;
    }
    registerClassInput(name, isMapBased, value, sourceSpan) {
        if (isEmptyExpression(value)) {
            return null;
        }
        const { property, hasOverrideFlag } = parseProperty(name);
        const entry = { name: property, value, sourceSpan, hasOverrideFlag, suffix: null };
        if (isMapBased) {
            this._classMapInput = entry;
        }
        else {
            (this._singleClassInputs = this._singleClassInputs || []).push(entry);
            registerIntoMap(this._classesIndex, property);
        }
        this._lastStylingInput = entry;
        this._firstStylingInput = this._firstStylingInput || entry;
        this._checkForPipes(value);
        this.hasBindings = true;
        return entry;
    }
    _checkForPipes(value) {
        if ((value instanceof ASTWithSource) && (value.ast instanceof BindingPipe)) {
            this.hasBindingsWithPipes = true;
        }
    }
    /**
     * Registers the element's static style string value to the builder.
     *
     * @param value the style string (e.g. `width:100px; height:200px;`)
     */
    registerStyleAttr(value) {
        this._initialStyleValues = parse(value);
        this._hasInitialValues = true;
    }
    /**
     * Registers the element's static class string value to the builder.
     *
     * @param value the className string (e.g. `disabled gold zoom`)
     */
    registerClassAttr(value) {
        this._initialClassValues = value.trim().split(/\s+/g);
        this._hasInitialValues = true;
    }
    /**
     * Appends all styling-related expressions to the provided attrs array.
     *
     * @param attrs an existing array where each of the styling expressions
     * will be inserted into.
     */
    populateInitialStylingAttrs(attrs) {
        // [CLASS_MARKER, 'foo', 'bar', 'baz' ...]
        if (this._initialClassValues.length) {
            attrs.push(literal(1 /* Classes */));
            for (let i = 0; i < this._initialClassValues.length; i++) {
                attrs.push(literal(this._initialClassValues[i]));
            }
        }
        // [STYLE_MARKER, 'width', '200px', 'height', '100px', ...]
        if (this._initialStyleValues.length) {
            attrs.push(literal(2 /* Styles */));
            for (let i = 0; i < this._initialStyleValues.length; i += 2) {
                attrs.push(literal(this._initialStyleValues[i]), literal(this._initialStyleValues[i + 1]));
            }
        }
    }
    /**
     * Builds an instruction with all the expressions and parameters for `elementHostAttrs`.
     *
     * The instruction generation code below is used for producing the AOT statement code which is
     * responsible for registering initial styles (within a directive hostBindings' creation block),
     * as well as any of the provided attribute values, to the directive host element.
     */
    assignHostAttrs(attrs, definitionMap) {
        if (this._directiveExpr && (attrs.length || this._hasInitialValues)) {
            this.populateInitialStylingAttrs(attrs);
            definitionMap.set('hostAttrs', literalArr(attrs));
        }
    }
    /**
     * Builds an instruction with all the expressions and parameters for `classMap`.
     *
     * The instruction data will contain all expressions for `classMap` to function
     * which includes the `[class]` expression params.
     */
    buildClassMapInstruction(valueConverter) {
        if (this._classMapInput) {
            return this._buildMapBasedInstruction(valueConverter, true, this._classMapInput);
        }
        return null;
    }
    /**
     * Builds an instruction with all the expressions and parameters for `styleMap`.
     *
     * The instruction data will contain all expressions for `styleMap` to function
     * which includes the `[style]` expression params.
     */
    buildStyleMapInstruction(valueConverter) {
        if (this._styleMapInput) {
            return this._buildMapBasedInstruction(valueConverter, false, this._styleMapInput);
        }
        return null;
    }
    _buildMapBasedInstruction(valueConverter, isClassBased, stylingInput) {
        // each styling binding value is stored in the LView
        // map-based bindings allocate two slots: one for the
        // previous binding value and another for the previous
        // className or style attribute value.
        let totalBindingSlotsRequired = MIN_STYLING_BINDING_SLOTS_REQUIRED;
        // these values must be outside of the update block so that they can
        // be evaluated (the AST visit call) during creation time so that any
        // pipes can be picked up in time before the template is built
        const mapValue = stylingInput.value.visit(valueConverter);
        let reference;
        if (mapValue instanceof Interpolation) {
            totalBindingSlotsRequired += mapValue.expressions.length;
            reference = isClassBased ? getClassMapInterpolationExpression(mapValue) :
                getStyleMapInterpolationExpression(mapValue);
        }
        else {
            reference = isClassBased ? Identifiers.classMap : Identifiers.styleMap;
        }
        return {
            reference,
            calls: [{
                    supportsInterpolation: true,
                    sourceSpan: stylingInput.sourceSpan,
                    allocateBindingSlots: totalBindingSlotsRequired,
                    params: (convertFn) => {
                        const convertResult = convertFn(mapValue);
                        const params = Array.isArray(convertResult) ? convertResult : [convertResult];
                        return params;
                    }
                }]
        };
    }
    _buildSingleInputs(reference, inputs, valueConverter, getInterpolationExpressionFn, isClassBased) {
        const instructions = [];
        inputs.forEach(input => {
            const previousInstruction = instructions[instructions.length - 1];
            const value = input.value.visit(valueConverter);
            let referenceForCall = reference;
            // each styling binding value is stored in the LView
            // but there are two values stored for each binding:
            //   1) the value itself
            //   2) an intermediate value (concatenation of style up to this point).
            //      We need to store the intermediate value so that we don't allocate
            //      the strings on each CD.
            let totalBindingSlotsRequired = MIN_STYLING_BINDING_SLOTS_REQUIRED;
            if (value instanceof Interpolation) {
                totalBindingSlotsRequired += value.expressions.length;
                if (getInterpolationExpressionFn) {
                    referenceForCall = getInterpolationExpressionFn(value);
                }
            }
            const call = {
                sourceSpan: input.sourceSpan,
                allocateBindingSlots: totalBindingSlotsRequired,
                supportsInterpolation: !!getInterpolationExpressionFn,
                params: (convertFn) => {
                    // params => stylingProp(propName, value, suffix)
                    const params = [];
                    params.push(literal(input.name));
                    const convertResult = convertFn(value);
                    if (Array.isArray(convertResult)) {
                        params.push(...convertResult);
                    }
                    else {
                        params.push(convertResult);
                    }
                    // [style.prop] bindings may use suffix values (e.g. px, em, etc...), therefore,
                    // if that is detected then we need to pass that in as an optional param.
                    if (!isClassBased && input.suffix !== null) {
                        params.push(literal(input.suffix));
                    }
                    return params;
                }
            };
            // If we ended up generating a call to the same instruction as the previous styling property
            // we can chain the calls together safely to save some bytes, otherwise we have to generate
            // a separate instruction call. This is primarily a concern with interpolation instructions
            // where we may start off with one `reference`, but end up using another based on the
            // number of interpolations.
            if (previousInstruction && previousInstruction.reference === referenceForCall) {
                previousInstruction.calls.push(call);
            }
            else {
                instructions.push({ reference: referenceForCall, calls: [call] });
            }
        });
        return instructions;
    }
    _buildClassInputs(valueConverter) {
        if (this._singleClassInputs) {
            return this._buildSingleInputs(Identifiers.classProp, this._singleClassInputs, valueConverter, null, true);
        }
        return [];
    }
    _buildStyleInputs(valueConverter) {
        if (this._singleStyleInputs) {
            return this._buildSingleInputs(Identifiers.styleProp, this._singleStyleInputs, valueConverter, getStylePropInterpolationExpression, false);
        }
        return [];
    }
    /**
     * Constructs all instructions which contain the expressions that will be placed
     * into the update block of a template function or a directive hostBindings function.
     */
    buildUpdateLevelInstructions(valueConverter) {
        const instructions = [];
        if (this.hasBindings) {
            const styleMapInstruction = this.buildStyleMapInstruction(valueConverter);
            if (styleMapInstruction) {
                instructions.push(styleMapInstruction);
            }
            const classMapInstruction = this.buildClassMapInstruction(valueConverter);
            if (classMapInstruction) {
                instructions.push(classMapInstruction);
            }
            instructions.push(...this._buildStyleInputs(valueConverter));
            instructions.push(...this._buildClassInputs(valueConverter));
        }
        return instructions;
    }
}
function registerIntoMap(map, key) {
    if (!map.has(key)) {
        map.set(key, map.size);
    }
}
function parseProperty(name) {
    let hasOverrideFlag = false;
    const overrideIndex = name.indexOf(IMPORTANT_FLAG);
    if (overrideIndex !== -1) {
        name = overrideIndex > 0 ? name.substring(0, overrideIndex) : '';
        hasOverrideFlag = true;
    }
    let suffix = null;
    let property = name;
    const unitIndex = name.lastIndexOf('.');
    if (unitIndex > 0) {
        suffix = name.substr(unitIndex + 1);
        property = name.substring(0, unitIndex);
    }
    return { property, suffix, hasOverrideFlag };
}
/**
 * Gets the instruction to generate for an interpolated class map.
 * @param interpolation An Interpolation AST
 */
function getClassMapInterpolationExpression(interpolation) {
    switch (getInterpolationArgsLength(interpolation)) {
        case 1:
            return Identifiers.classMap;
        case 3:
            return Identifiers.classMapInterpolate1;
        case 5:
            return Identifiers.classMapInterpolate2;
        case 7:
            return Identifiers.classMapInterpolate3;
        case 9:
            return Identifiers.classMapInterpolate4;
        case 11:
            return Identifiers.classMapInterpolate5;
        case 13:
            return Identifiers.classMapInterpolate6;
        case 15:
            return Identifiers.classMapInterpolate7;
        case 17:
            return Identifiers.classMapInterpolate8;
        default:
            return Identifiers.classMapInterpolateV;
    }
}
/**
 * Gets the instruction to generate for an interpolated style map.
 * @param interpolation An Interpolation AST
 */
function getStyleMapInterpolationExpression(interpolation) {
    switch (getInterpolationArgsLength(interpolation)) {
        case 1:
            return Identifiers.styleMap;
        case 3:
            return Identifiers.styleMapInterpolate1;
        case 5:
            return Identifiers.styleMapInterpolate2;
        case 7:
            return Identifiers.styleMapInterpolate3;
        case 9:
            return Identifiers.styleMapInterpolate4;
        case 11:
            return Identifiers.styleMapInterpolate5;
        case 13:
            return Identifiers.styleMapInterpolate6;
        case 15:
            return Identifiers.styleMapInterpolate7;
        case 17:
            return Identifiers.styleMapInterpolate8;
        default:
            return Identifiers.styleMapInterpolateV;
    }
}
/**
 * Gets the instruction to generate for an interpolated style prop.
 * @param interpolation An Interpolation AST
 */
function getStylePropInterpolationExpression(interpolation) {
    switch (getInterpolationArgsLength(interpolation)) {
        case 1:
            return Identifiers.styleProp;
        case 3:
            return Identifiers.stylePropInterpolate1;
        case 5:
            return Identifiers.stylePropInterpolate2;
        case 7:
            return Identifiers.stylePropInterpolate3;
        case 9:
            return Identifiers.stylePropInterpolate4;
        case 11:
            return Identifiers.stylePropInterpolate5;
        case 13:
            return Identifiers.stylePropInterpolate6;
        case 15:
            return Identifiers.stylePropInterpolate7;
        case 17:
            return Identifiers.stylePropInterpolate8;
        default:
            return Identifiers.stylePropInterpolateV;
    }
}
/**
 * Checks whether property name is a custom CSS property.
 * See: https://www.w3.org/TR/css-variables-1
 */
function isCssCustomProperty(name) {
    return name.startsWith('--');
}

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
var TokenType$1;
(function (TokenType) {
    TokenType[TokenType["Character"] = 0] = "Character";
    TokenType[TokenType["Identifier"] = 1] = "Identifier";
    TokenType[TokenType["PrivateIdentifier"] = 2] = "PrivateIdentifier";
    TokenType[TokenType["Keyword"] = 3] = "Keyword";
    TokenType[TokenType["String"] = 4] = "String";
    TokenType[TokenType["Operator"] = 5] = "Operator";
    TokenType[TokenType["Number"] = 6] = "Number";
    TokenType[TokenType["Error"] = 7] = "Error";
})(TokenType$1 || (TokenType$1 = {}));
const KEYWORDS = ['var', 'let', 'as', 'null', 'undefined', 'true', 'false', 'if', 'else', 'this'];
class Lexer {
    tokenize(text) {
        const scanner = new _Scanner(text);
        const tokens = [];
        let token = scanner.scanToken();
        while (token != null) {
            tokens.push(token);
            token = scanner.scanToken();
        }
        return tokens;
    }
}
class Token$1 {
    constructor(index, end, type, numValue, strValue) {
        this.index = index;
        this.end = end;
        this.type = type;
        this.numValue = numValue;
        this.strValue = strValue;
    }
    isCharacter(code) {
        return this.type == TokenType$1.Character && this.numValue == code;
    }
    isNumber() {
        return this.type == TokenType$1.Number;
    }
    isString() {
        return this.type == TokenType$1.String;
    }
    isOperator(operator) {
        return this.type == TokenType$1.Operator && this.strValue == operator;
    }
    isIdentifier() {
        return this.type == TokenType$1.Identifier;
    }
    isPrivateIdentifier() {
        return this.type == TokenType$1.PrivateIdentifier;
    }
    isKeyword() {
        return this.type == TokenType$1.Keyword;
    }
    isKeywordLet() {
        return this.type == TokenType$1.Keyword && this.strValue == 'let';
    }
    isKeywordAs() {
        return this.type == TokenType$1.Keyword && this.strValue == 'as';
    }
    isKeywordNull() {
        return this.type == TokenType$1.Keyword && this.strValue == 'null';
    }
    isKeywordUndefined() {
        return this.type == TokenType$1.Keyword && this.strValue == 'undefined';
    }
    isKeywordTrue() {
        return this.type == TokenType$1.Keyword && this.strValue == 'true';
    }
    isKeywordFalse() {
        return this.type == TokenType$1.Keyword && this.strValue == 'false';
    }
    isKeywordThis() {
        return this.type == TokenType$1.Keyword && this.strValue == 'this';
    }
    isError() {
        return this.type == TokenType$1.Error;
    }
    toNumber() {
        return this.type == TokenType$1.Number ? this.numValue : -1;
    }
    toString() {
        switch (this.type) {
            case TokenType$1.Character:
            case TokenType$1.Identifier:
            case TokenType$1.Keyword:
            case TokenType$1.Operator:
            case TokenType$1.PrivateIdentifier:
            case TokenType$1.String:
            case TokenType$1.Error:
                return this.strValue;
            case TokenType$1.Number:
                return this.numValue.toString();
            default:
                return null;
        }
    }
}
function newCharacterToken(index, end, code) {
    return new Token$1(index, end, TokenType$1.Character, code, String.fromCharCode(code));
}
function newIdentifierToken(index, end, text) {
    return new Token$1(index, end, TokenType$1.Identifier, 0, text);
}
function newPrivateIdentifierToken(index, end, text) {
    return new Token$1(index, end, TokenType$1.PrivateIdentifier, 0, text);
}
function newKeywordToken(index, end, text) {
    return new Token$1(index, end, TokenType$1.Keyword, 0, text);
}
function newOperatorToken(index, end, text) {
    return new Token$1(index, end, TokenType$1.Operator, 0, text);
}
function newStringToken(index, end, text) {
    return new Token$1(index, end, TokenType$1.String, 0, text);
}
function newNumberToken(index, end, n) {
    return new Token$1(index, end, TokenType$1.Number, n, '');
}
function newErrorToken(index, end, message) {
    return new Token$1(index, end, TokenType$1.Error, 0, message);
}
const EOF = new Token$1(-1, -1, TokenType$1.Character, 0, '');
class _Scanner {
    constructor(input) {
        this.input = input;
        this.peek = 0;
        this.index = -1;
        this.length = input.length;
        this.advance();
    }
    advance() {
        this.peek = ++this.index >= this.length ? $EOF : this.input.charCodeAt(this.index);
    }
    scanToken() {
        const input = this.input, length = this.length;
        let peek = this.peek, index = this.index;
        // Skip whitespace.
        while (peek <= $SPACE) {
            if (++index >= length) {
                peek = $EOF;
                break;
            }
            else {
                peek = input.charCodeAt(index);
            }
        }
        this.peek = peek;
        this.index = index;
        if (index >= length) {
            return null;
        }
        // Handle identifiers and numbers.
        if (isIdentifierStart(peek))
            return this.scanIdentifier();
        if (isDigit(peek))
            return this.scanNumber(index);
        const start = index;
        switch (peek) {
            case $PERIOD:
                this.advance();
                return isDigit(this.peek) ? this.scanNumber(start) :
                    newCharacterToken(start, this.index, $PERIOD);
            case $LPAREN:
            case $RPAREN:
            case $LBRACE:
            case $RBRACE:
            case $LBRACKET:
            case $RBRACKET:
            case $COMMA:
            case $COLON:
            case $SEMICOLON:
                return this.scanCharacter(start, peek);
            case $SQ:
            case $DQ:
                return this.scanString();
            case $HASH:
                return this.scanPrivateIdentifier();
            case $PLUS:
            case $MINUS:
            case $STAR:
            case $SLASH:
            case $PERCENT:
            case $CARET:
                return this.scanOperator(start, String.fromCharCode(peek));
            case $QUESTION:
                return this.scanQuestion(start);
            case $LT:
            case $GT:
                return this.scanComplexOperator(start, String.fromCharCode(peek), $EQ, '=');
            case $BANG:
            case $EQ:
                return this.scanComplexOperator(start, String.fromCharCode(peek), $EQ, '=', $EQ, '=');
            case $AMPERSAND:
                return this.scanComplexOperator(start, '&', $AMPERSAND, '&');
            case $BAR:
                return this.scanComplexOperator(start, '|', $BAR, '|');
            case $NBSP:
                while (isWhitespace(this.peek))
                    this.advance();
                return this.scanToken();
        }
        this.advance();
        return this.error(`Unexpected character [${String.fromCharCode(peek)}]`, 0);
    }
    scanCharacter(start, code) {
        this.advance();
        return newCharacterToken(start, this.index, code);
    }
    scanOperator(start, str) {
        this.advance();
        return newOperatorToken(start, this.index, str);
    }
    /**
     * Tokenize a 2/3 char long operator
     *
     * @param start start index in the expression
     * @param one first symbol (always part of the operator)
     * @param twoCode code point for the second symbol
     * @param two second symbol (part of the operator when the second code point matches)
     * @param threeCode code point for the third symbol
     * @param three third symbol (part of the operator when provided and matches source expression)
     */
    scanComplexOperator(start, one, twoCode, two, threeCode, three) {
        this.advance();
        let str = one;
        if (this.peek == twoCode) {
            this.advance();
            str += two;
        }
        if (threeCode != null && this.peek == threeCode) {
            this.advance();
            str += three;
        }
        return newOperatorToken(start, this.index, str);
    }
    scanIdentifier() {
        const start = this.index;
        this.advance();
        while (isIdentifierPart(this.peek))
            this.advance();
        const str = this.input.substring(start, this.index);
        return KEYWORDS.indexOf(str) > -1 ? newKeywordToken(start, this.index, str) :
            newIdentifierToken(start, this.index, str);
    }
    /** Scans an ECMAScript private identifier. */
    scanPrivateIdentifier() {
        const start = this.index;
        this.advance();
        if (!isIdentifierStart(this.peek)) {
            return this.error('Invalid character [#]', -1);
        }
        while (isIdentifierPart(this.peek))
            this.advance();
        const identifierName = this.input.substring(start, this.index);
        return newPrivateIdentifierToken(start, this.index, identifierName);
    }
    scanNumber(start) {
        let simple = (this.index === start);
        this.advance(); // Skip initial digit.
        while (true) {
            if (isDigit(this.peek)) {
                // Do nothing.
            }
            else if (this.peek == $PERIOD) {
                simple = false;
            }
            else if (isExponentStart(this.peek)) {
                this.advance();
                if (isExponentSign(this.peek))
                    this.advance();
                if (!isDigit(this.peek))
                    return this.error('Invalid exponent', -1);
                simple = false;
            }
            else {
                break;
            }
            this.advance();
        }
        const str = this.input.substring(start, this.index);
        const value = simple ? parseIntAutoRadix(str) : parseFloat(str);
        return newNumberToken(start, this.index, value);
    }
    scanString() {
        const start = this.index;
        const quote = this.peek;
        this.advance(); // Skip initial quote.
        let buffer = '';
        let marker = this.index;
        const input = this.input;
        while (this.peek != quote) {
            if (this.peek == $BACKSLASH) {
                buffer += input.substring(marker, this.index);
                this.advance();
                let unescapedCode;
                // Workaround for TS2.1-introduced type strictness
                this.peek = this.peek;
                if (this.peek == $u) {
                    // 4 character hex code for unicode character.
                    const hex = input.substring(this.index + 1, this.index + 5);
                    if (/^[0-9a-f]+$/i.test(hex)) {
                        unescapedCode = parseInt(hex, 16);
                    }
                    else {
                        return this.error(`Invalid unicode escape [\\u${hex}]`, 0);
                    }
                    for (let i = 0; i < 5; i++) {
                        this.advance();
                    }
                }
                else {
                    unescapedCode = unescape(this.peek);
                    this.advance();
                }
                buffer += String.fromCharCode(unescapedCode);
                marker = this.index;
            }
            else if (this.peek == $EOF) {
                return this.error('Unterminated quote', 0);
            }
            else {
                this.advance();
            }
        }
        const last = input.substring(marker, this.index);
        this.advance(); // Skip terminating quote.
        return newStringToken(start, this.index, buffer + last);
    }
    scanQuestion(start) {
        this.advance();
        let str = '?';
        // Either `a ?? b` or 'a?.b'.
        if (this.peek === $QUESTION || this.peek === $PERIOD) {
            str += this.peek === $PERIOD ? '.' : '?';
            this.advance();
        }
        return newOperatorToken(start, this.index, str);
    }
    error(message, offset) {
        const position = this.index + offset;
        return newErrorToken(position, this.index, `Lexer Error: ${message} at column ${position} in expression [${this.input}]`);
    }
}
function isIdentifierStart(code) {
    return ($a <= code && code <= $z) || ($A <= code && code <= $Z) ||
        (code == $_) || (code == $$);
}
function isIdentifier(input) {
    if (input.length == 0)
        return false;
    const scanner = new _Scanner(input);
    if (!isIdentifierStart(scanner.peek))
        return false;
    scanner.advance();
    while (scanner.peek !== $EOF) {
        if (!isIdentifierPart(scanner.peek))
            return false;
        scanner.advance();
    }
    return true;
}
function isIdentifierPart(code) {
    return isAsciiLetter(code) || isDigit(code) || (code == $_) ||
        (code == $$);
}
function isExponentStart(code) {
    return code == $e || code == $E;
}
function isExponentSign(code) {
    return code == $MINUS || code == $PLUS;
}
function isQuote(code) {
    return code === $SQ || code === $DQ || code === $BT;
}
function unescape(code) {
    switch (code) {
        case $n:
            return $LF;
        case $f:
            return $FF;
        case $r:
            return $CR;
        case $t:
            return $TAB;
        case $v:
            return $VTAB;
        default:
            return code;
    }
}
function parseIntAutoRadix(text) {
    const result = parseInt(text);
    if (isNaN(result)) {
        throw new Error('Invalid integer literal when parsing ' + text);
    }
    return result;
}

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
class SplitInterpolation {
    constructor(strings, expressions, offsets) {
        this.strings = strings;
        this.expressions = expressions;
        this.offsets = offsets;
    }
}
class TemplateBindingParseResult {
    constructor(templateBindings, warnings, errors) {
        this.templateBindings = templateBindings;
        this.warnings = warnings;
        this.errors = errors;
    }
}
class Parser$1 {
    constructor(_lexer) {
        this._lexer = _lexer;
        this.errors = [];
        this.simpleExpressionChecker = SimpleExpressionChecker;
    }
    parseAction(input, location, absoluteOffset, interpolationConfig = DEFAULT_INTERPOLATION_CONFIG) {
        this._checkNoInterpolation(input, location, interpolationConfig);
        const sourceToLex = this._stripComments(input);
        const tokens = this._lexer.tokenize(this._stripComments(input));
        const ast = new _ParseAST(input, location, absoluteOffset, tokens, sourceToLex.length, true, this.errors, input.length - sourceToLex.length)
            .parseChain();
        return new ASTWithSource(ast, input, location, absoluteOffset, this.errors);
    }
    parseBinding(input, location, absoluteOffset, interpolationConfig = DEFAULT_INTERPOLATION_CONFIG) {
        const ast = this._parseBindingAst(input, location, absoluteOffset, interpolationConfig);
        return new ASTWithSource(ast, input, location, absoluteOffset, this.errors);
    }
    checkSimpleExpression(ast) {
        const checker = new this.simpleExpressionChecker();
        ast.visit(checker);
        return checker.errors;
    }
    parseSimpleBinding(input, location, absoluteOffset, interpolationConfig = DEFAULT_INTERPOLATION_CONFIG) {
        const ast = this._parseBindingAst(input, location, absoluteOffset, interpolationConfig);
        const errors = this.checkSimpleExpression(ast);
        if (errors.length > 0) {
            this._reportError(`Host binding expression cannot contain ${errors.join(' ')}`, input, location);
        }
        return new ASTWithSource(ast, input, location, absoluteOffset, this.errors);
    }
    _reportError(message, input, errLocation, ctxLocation) {
        this.errors.push(new ParserError(message, input, errLocation, ctxLocation));
    }
    _parseBindingAst(input, location, absoluteOffset, interpolationConfig) {
        // Quotes expressions use 3rd-party expression language. We don't want to use
        // our lexer or parser for that, so we check for that ahead of time.
        const quote = this._parseQuote(input, location, absoluteOffset);
        if (quote != null) {
            return quote;
        }
        this._checkNoInterpolation(input, location, interpolationConfig);
        const sourceToLex = this._stripComments(input);
        const tokens = this._lexer.tokenize(sourceToLex);
        return new _ParseAST(input, location, absoluteOffset, tokens, sourceToLex.length, false, this.errors, input.length - sourceToLex.length)
            .parseChain();
    }
    _parseQuote(input, location, absoluteOffset) {
        if (input == null)
            return null;
        const prefixSeparatorIndex = input.indexOf(':');
        if (prefixSeparatorIndex == -1)
            return null;
        const prefix = input.substring(0, prefixSeparatorIndex).trim();
        if (!isIdentifier(prefix))
            return null;
        const uninterpretedExpression = input.substring(prefixSeparatorIndex + 1);
        const span = new ParseSpan(0, input.length);
        return new Quote(span, span.toAbsolute(absoluteOffset), prefix, uninterpretedExpression, location);
    }
    /**
     * Parse microsyntax template expression and return a list of bindings or
     * parsing errors in case the given expression is invalid.
     *
     * For example,
     * ```
     *   <div *ngFor="let item of items">
     *         ^      ^ absoluteValueOffset for `templateValue`
     *         absoluteKeyOffset for `templateKey`
     * ```
     * contains three bindings:
     * 1. ngFor -> null
     * 2. item -> NgForOfContext.$implicit
     * 3. ngForOf -> items
     *
     * This is apparent from the de-sugared template:
     * ```
     *   <ng-template ngFor let-item [ngForOf]="items">
     * ```
     *
     * @param templateKey name of directive, without the * prefix. For example: ngIf, ngFor
     * @param templateValue RHS of the microsyntax attribute
     * @param templateUrl template filename if it's external, component filename if it's inline
     * @param absoluteKeyOffset start of the `templateKey`
     * @param absoluteValueOffset start of the `templateValue`
     */
    parseTemplateBindings(templateKey, templateValue, templateUrl, absoluteKeyOffset, absoluteValueOffset) {
        const tokens = this._lexer.tokenize(templateValue);
        const parser = new _ParseAST(templateValue, templateUrl, absoluteValueOffset, tokens, templateValue.length, false /* parseAction */, this.errors, 0 /* relative offset */);
        return parser.parseTemplateBindings({
            source: templateKey,
            span: new AbsoluteSourceSpan(absoluteKeyOffset, absoluteKeyOffset + templateKey.length),
        });
    }
    parseInterpolation(input, location, absoluteOffset, interpolationConfig = DEFAULT_INTERPOLATION_CONFIG) {
        const { strings, expressions, offsets } = this.splitInterpolation(input, location, interpolationConfig);
        if (expressions.length === 0)
            return null;
        const expressionNodes = [];
        for (let i = 0; i < expressions.length; ++i) {
            const expressionText = expressions[i].text;
            const sourceToLex = this._stripComments(expressionText);
            const tokens = this._lexer.tokenize(sourceToLex);
            const ast = new _ParseAST(input, location, absoluteOffset, tokens, sourceToLex.length, false, this.errors, offsets[i] + (expressionText.length - sourceToLex.length))
                .parseChain();
            expressionNodes.push(ast);
        }
        return this.createInterpolationAst(strings.map(s => s.text), expressionNodes, input, location, absoluteOffset);
    }
    /**
     * Similar to `parseInterpolation`, but treats the provided string as a single expression
     * element that would normally appear within the interpolation prefix and suffix (`{{` and `}}`).
     * This is used for parsing the switch expression in ICUs.
     */
    parseInterpolationExpression(expression, location, absoluteOffset) {
        const sourceToLex = this._stripComments(expression);
        const tokens = this._lexer.tokenize(sourceToLex);
        const ast = new _ParseAST(expression, location, absoluteOffset, tokens, sourceToLex.length, 
        /* parseAction */ false, this.errors, 0)
            .parseChain();
        const strings = ['', '']; // The prefix and suffix strings are both empty
        return this.createInterpolationAst(strings, [ast], expression, location, absoluteOffset);
    }
    createInterpolationAst(strings, expressions, input, location, absoluteOffset) {
        const span = new ParseSpan(0, input.length);
        const interpolation = new Interpolation(span, span.toAbsolute(absoluteOffset), strings, expressions);
        return new ASTWithSource(interpolation, input, location, absoluteOffset, this.errors);
    }
    /**
     * Splits a string of text into "raw" text segments and expressions present in interpolations in
     * the string.
     * Returns `null` if there are no interpolations, otherwise a
     * `SplitInterpolation` with splits that look like
     *   <raw text> <expression> <raw text> ... <raw text> <expression> <raw text>
     */
    splitInterpolation(input, location, interpolationConfig = DEFAULT_INTERPOLATION_CONFIG) {
        const strings = [];
        const expressions = [];
        const offsets = [];
        let i = 0;
        let atInterpolation = false;
        let extendLastString = false;
        let { start: interpStart, end: interpEnd } = interpolationConfig;
        while (i < input.length) {
            if (!atInterpolation) {
                // parse until starting {{
                const start = i;
                i = input.indexOf(interpStart, i);
                if (i === -1) {
                    i = input.length;
                }
                const text = input.substring(start, i);
                strings.push({ text, start, end: i });
                atInterpolation = true;
            }
            else {
                // parse from starting {{ to ending }} while ignoring content inside quotes.
                const fullStart = i;
                const exprStart = fullStart + interpStart.length;
                const exprEnd = this._getInterpolationEndIndex(input, interpEnd, exprStart);
                if (exprEnd === -1) {
                    // Could not find the end of the interpolation; do not parse an expression.
                    // Instead we should extend the content on the last raw string.
                    atInterpolation = false;
                    extendLastString = true;
                    break;
                }
                const fullEnd = exprEnd + interpEnd.length;
                const text = input.substring(exprStart, exprEnd);
                if (text.trim().length === 0) {
                    this._reportError('Blank expressions are not allowed in interpolated strings', input, `at column ${i} in`, location);
                }
                expressions.push({ text, start: fullStart, end: fullEnd });
                offsets.push(exprStart);
                i = fullEnd;
                atInterpolation = false;
            }
        }
        if (!atInterpolation) {
            // If we are now at a text section, add the remaining content as a raw string.
            if (extendLastString) {
                const piece = strings[strings.length - 1];
                piece.text += input.substring(i);
                piece.end = input.length;
            }
            else {
                strings.push({ text: input.substring(i), start: i, end: input.length });
            }
        }
        return new SplitInterpolation(strings, expressions, offsets);
    }
    wrapLiteralPrimitive(input, location, absoluteOffset) {
        const span = new ParseSpan(0, input == null ? 0 : input.length);
        return new ASTWithSource(new LiteralPrimitive(span, span.toAbsolute(absoluteOffset), input), input, location, absoluteOffset, this.errors);
    }
    _stripComments(input) {
        const i = this._commentStart(input);
        return i != null ? input.substring(0, i).trim() : input;
    }
    _commentStart(input) {
        let outerQuote = null;
        for (let i = 0; i < input.length - 1; i++) {
            const char = input.charCodeAt(i);
            const nextChar = input.charCodeAt(i + 1);
            if (char === $SLASH && nextChar == $SLASH && outerQuote == null)
                return i;
            if (outerQuote === char) {
                outerQuote = null;
            }
            else if (outerQuote == null && isQuote(char)) {
                outerQuote = char;
            }
        }
        return null;
    }
    _checkNoInterpolation(input, location, { start, end }) {
        let startIndex = -1;
        let endIndex = -1;
        for (const charIndex of this._forEachUnquotedChar(input, 0)) {
            if (startIndex === -1) {
                if (input.startsWith(start)) {
                    startIndex = charIndex;
                }
            }
            else {
                endIndex = this._getInterpolationEndIndex(input, end, charIndex);
                if (endIndex > -1) {
                    break;
                }
            }
        }
        if (startIndex > -1 && endIndex > -1) {
            this._reportError(`Got interpolation (${start}${end}) where expression was expected`, input, `at column ${startIndex} in`, location);
        }
    }
    /**
     * Finds the index of the end of an interpolation expression
     * while ignoring comments and quoted content.
     */
    _getInterpolationEndIndex(input, expressionEnd, start) {
        for (const charIndex of this._forEachUnquotedChar(input, start)) {
            if (input.startsWith(expressionEnd, charIndex)) {
                return charIndex;
            }
            // Nothing else in the expression matters after we've
            // hit a comment so look directly for the end token.
            if (input.startsWith('//', charIndex)) {
                return input.indexOf(expressionEnd, charIndex);
            }
        }
        return -1;
    }
    /**
     * Generator used to iterate over the character indexes of a string that are outside of quotes.
     * @param input String to loop through.
     * @param start Index within the string at which to start.
     */
    *_forEachUnquotedChar(input, start) {
        let currentQuote = null;
        let escapeCount = 0;
        for (let i = start; i < input.length; i++) {
            const char = input[i];
            // Skip the characters inside quotes. Note that we only care about the outer-most
            // quotes matching up and we need to account for escape characters.
            if (isQuote(input.charCodeAt(i)) && (currentQuote === null || currentQuote === char) &&
                escapeCount % 2 === 0) {
                currentQuote = currentQuote === null ? char : null;
            }
            else if (currentQuote === null) {
                yield i;
            }
            escapeCount = char === '\\' ? escapeCount + 1 : 0;
        }
    }
}
class IvyParser extends Parser$1 {
    constructor() {
        super(...arguments);
        this.simpleExpressionChecker = IvySimpleExpressionChecker;
    }
}
/** Describes a stateful context an expression parser is in. */
var ParseContextFlags;
(function (ParseContextFlags) {
    ParseContextFlags[ParseContextFlags["None"] = 0] = "None";
    /**
     * A Writable context is one in which a value may be written to an lvalue.
     * For example, after we see a property access, we may expect a write to the
     * property via the "=" operator.
     *   prop
     *        ^ possible "=" after
     */
    ParseContextFlags[ParseContextFlags["Writable"] = 1] = "Writable";
})(ParseContextFlags || (ParseContextFlags = {}));
class _ParseAST {
    constructor(input, location, absoluteOffset, tokens, inputLength, parseAction, errors, offset) {
        this.input = input;
        this.location = location;
        this.absoluteOffset = absoluteOffset;
        this.tokens = tokens;
        this.inputLength = inputLength;
        this.parseAction = parseAction;
        this.errors = errors;
        this.offset = offset;
        this.rparensExpected = 0;
        this.rbracketsExpected = 0;
        this.rbracesExpected = 0;
        this.context = ParseContextFlags.None;
        // Cache of expression start and input indeces to the absolute source span they map to, used to
        // prevent creating superfluous source spans in `sourceSpan`.
        // A serial of the expression start and input index is used for mapping because both are stateful
        // and may change for subsequent expressions visited by the parser.
        this.sourceSpanCache = new Map();
        this.index = 0;
    }
    peek(offset) {
        const i = this.index + offset;
        return i < this.tokens.length ? this.tokens[i] : EOF;
    }
    get next() {
        return this.peek(0);
    }
    /** Whether all the parser input has been processed. */
    get atEOF() {
        return this.index >= this.tokens.length;
    }
    /**
     * Index of the next token to be processed, or the end of the last token if all have been
     * processed.
     */
    get inputIndex() {
        return this.atEOF ? this.currentEndIndex : this.next.index + this.offset;
    }
    /**
     * End index of the last processed token, or the start of the first token if none have been
     * processed.
     */
    get currentEndIndex() {
        if (this.index > 0) {
            const curToken = this.peek(-1);
            return curToken.end + this.offset;
        }
        // No tokens have been processed yet; return the next token's start or the length of the input
        // if there is no token.
        if (this.tokens.length === 0) {
            return this.inputLength + this.offset;
        }
        return this.next.index + this.offset;
    }
    /**
     * Returns the absolute offset of the start of the current token.
     */
    get currentAbsoluteOffset() {
        return this.absoluteOffset + this.inputIndex;
    }
    /**
     * Retrieve a `ParseSpan` from `start` to the current position (or to `artificialEndIndex` if
     * provided).
     *
     * @param start Position from which the `ParseSpan` will start.
     * @param artificialEndIndex Optional ending index to be used if provided (and if greater than the
     *     natural ending index)
     */
    span(start, artificialEndIndex) {
        let endIndex = this.currentEndIndex;
        if (artificialEndIndex !== undefined && artificialEndIndex > this.currentEndIndex) {
            endIndex = artificialEndIndex;
        }
        // In some unusual parsing scenarios (like when certain tokens are missing and an `EmptyExpr` is
        // being created), the current token may already be advanced beyond the `currentEndIndex`. This
        // appears to be a deep-seated parser bug.
        //
        // As a workaround for now, swap the start and end indices to ensure a valid `ParseSpan`.
        // TODO(alxhub): fix the bug upstream in the parser state, and remove this workaround.
        if (start > endIndex) {
            const tmp = endIndex;
            endIndex = start;
            start = tmp;
        }
        return new ParseSpan(start, endIndex);
    }
    sourceSpan(start, artificialEndIndex) {
        const serial = `${start}@${this.inputIndex}:${artificialEndIndex}`;
        if (!this.sourceSpanCache.has(serial)) {
            this.sourceSpanCache.set(serial, this.span(start, artificialEndIndex).toAbsolute(this.absoluteOffset));
        }
        return this.sourceSpanCache.get(serial);
    }
    advance() {
        this.index++;
    }
    /**
     * Executes a callback in the provided context.
     */
    withContext(context, cb) {
        this.context |= context;
        const ret = cb();
        this.context ^= context;
        return ret;
    }
    consumeOptionalCharacter(code) {
        if (this.next.isCharacter(code)) {
            this.advance();
            return true;
        }
        else {
            return false;
        }
    }
    peekKeywordLet() {
        return this.next.isKeywordLet();
    }
    peekKeywordAs() {
        return this.next.isKeywordAs();
    }
    /**
     * Consumes an expected character, otherwise emits an error about the missing expected character
     * and skips over the token stream until reaching a recoverable point.
     *
     * See `this.error` and `this.skip` for more details.
     */
    expectCharacter(code) {
        if (this.consumeOptionalCharacter(code))
            return;
        this.error(`Missing expected ${String.fromCharCode(code)}`);
    }
    consumeOptionalOperator(op) {
        if (this.next.isOperator(op)) {
            this.advance();
            return true;
        }
        else {
            return false;
        }
    }
    expectOperator(operator) {
        if (this.consumeOptionalOperator(operator))
            return;
        this.error(`Missing expected operator ${operator}`);
    }
    prettyPrintToken(tok) {
        return tok === EOF ? 'end of input' : `token ${tok}`;
    }
    expectIdentifierOrKeyword() {
        const n = this.next;
        if (!n.isIdentifier() && !n.isKeyword()) {
            if (n.isPrivateIdentifier()) {
                this._reportErrorForPrivateIdentifier(n, 'expected identifier or keyword');
            }
            else {
                this.error(`Unexpected ${this.prettyPrintToken(n)}, expected identifier or keyword`);
            }
            return null;
        }
        this.advance();
        return n.toString();
    }
    expectIdentifierOrKeywordOrString() {
        const n = this.next;
        if (!n.isIdentifier() && !n.isKeyword() && !n.isString()) {
            if (n.isPrivateIdentifier()) {
                this._reportErrorForPrivateIdentifier(n, 'expected identifier, keyword or string');
            }
            else {
                this.error(`Unexpected ${this.prettyPrintToken(n)}, expected identifier, keyword, or string`);
            }
            return '';
        }
        this.advance();
        return n.toString();
    }
    parseChain() {
        const exprs = [];
        const start = this.inputIndex;
        while (this.index < this.tokens.length) {
            const expr = this.parsePipe();
            exprs.push(expr);
            if (this.consumeOptionalCharacter($SEMICOLON)) {
                if (!this.parseAction) {
                    this.error('Binding expression cannot contain chained expression');
                }
                while (this.consumeOptionalCharacter($SEMICOLON)) {
                } // read all semicolons
            }
            else if (this.index < this.tokens.length) {
                this.error(`Unexpected token '${this.next}'`);
            }
        }
        if (exprs.length == 0) {
            // We have no expressions so create an empty expression that spans the entire input length
            const artificialStart = this.offset;
            const artificialEnd = this.offset + this.inputLength;
            return new EmptyExpr(this.span(artificialStart, artificialEnd), this.sourceSpan(artificialStart, artificialEnd));
        }
        if (exprs.length == 1)
            return exprs[0];
        return new Chain(this.span(start), this.sourceSpan(start), exprs);
    }
    parsePipe() {
        const start = this.inputIndex;
        let result = this.parseExpression();
        if (this.consumeOptionalOperator('|')) {
            if (this.parseAction) {
                this.error('Cannot have a pipe in an action expression');
            }
            do {
                const nameStart = this.inputIndex;
                let nameId = this.expectIdentifierOrKeyword();
                let nameSpan;
                let fullSpanEnd = undefined;
                if (nameId !== null) {
                    nameSpan = this.sourceSpan(nameStart);
                }
                else {
                    // No valid identifier was found, so we'll assume an empty pipe name ('').
                    nameId = '';
                    // However, there may have been whitespace present between the pipe character and the next
                    // token in the sequence (or the end of input). We want to track this whitespace so that
                    // the `BindingPipe` we produce covers not just the pipe character, but any trailing
                    // whitespace beyond it. Another way of thinking about this is that the zero-length name
                    // is assumed to be at the end of any whitespace beyond the pipe character.
                    //
                    // Therefore, we push the end of the `ParseSpan` for this pipe all the way up to the
                    // beginning of the next token, or until the end of input if the next token is EOF.
                    fullSpanEnd = this.next.index !== -1 ? this.next.index : this.inputLength + this.offset;
                    // The `nameSpan` for an empty pipe name is zero-length at the end of any whitespace
                    // beyond the pipe character.
                    nameSpan = new ParseSpan(fullSpanEnd, fullSpanEnd).toAbsolute(this.absoluteOffset);
                }
                const args = [];
                while (this.consumeOptionalCharacter($COLON)) {
                    args.push(this.parseExpression());
                    // If there are additional expressions beyond the name, then the artificial end for the
                    // name is no longer relevant.
                }
                result = new BindingPipe(this.span(start), this.sourceSpan(start, fullSpanEnd), result, nameId, args, nameSpan);
            } while (this.consumeOptionalOperator('|'));
        }
        return result;
    }
    parseExpression() {
        return this.parseConditional();
    }
    parseConditional() {
        const start = this.inputIndex;
        const result = this.parseLogicalOr();
        if (this.consumeOptionalOperator('?')) {
            const yes = this.parsePipe();
            let no;
            if (!this.consumeOptionalCharacter($COLON)) {
                const end = this.inputIndex;
                const expression = this.input.substring(start, end);
                this.error(`Conditional expression ${expression} requires all 3 expressions`);
                no = new EmptyExpr(this.span(start), this.sourceSpan(start));
            }
            else {
                no = this.parsePipe();
            }
            return new Conditional(this.span(start), this.sourceSpan(start), result, yes, no);
        }
        else {
            return result;
        }
    }
    parseLogicalOr() {
        // '||'
        const start = this.inputIndex;
        let result = this.parseLogicalAnd();
        while (this.consumeOptionalOperator('||')) {
            const right = this.parseLogicalAnd();
            result = new Binary(this.span(start), this.sourceSpan(start), '||', result, right);
        }
        return result;
    }
    parseLogicalAnd() {
        // '&&'
        const start = this.inputIndex;
        let result = this.parseNullishCoalescing();
        while (this.consumeOptionalOperator('&&')) {
            const right = this.parseNullishCoalescing();
            result = new Binary(this.span(start), this.sourceSpan(start), '&&', result, right);
        }
        return result;
    }
    parseNullishCoalescing() {
        // '??'
        const start = this.inputIndex;
        let result = this.parseEquality();
        while (this.consumeOptionalOperator('??')) {
            const right = this.parseEquality();
            result = new Binary(this.span(start), this.sourceSpan(start), '??', result, right);
        }
        return result;
    }
    parseEquality() {
        // '==','!=','===','!=='
        const start = this.inputIndex;
        let result = this.parseRelational();
        while (this.next.type == TokenType$1.Operator) {
            const operator = this.next.strValue;
            switch (operator) {
                case '==':
                case '===':
                case '!=':
                case '!==':
                    this.advance();
                    const right = this.parseRelational();
                    result = new Binary(this.span(start), this.sourceSpan(start), operator, result, right);
                    continue;
            }
            break;
        }
        return result;
    }
    parseRelational() {
        // '<', '>', '<=', '>='
        const start = this.inputIndex;
        let result = this.parseAdditive();
        while (this.next.type == TokenType$1.Operator) {
            const operator = this.next.strValue;
            switch (operator) {
                case '<':
                case '>':
                case '<=':
                case '>=':
                    this.advance();
                    const right = this.parseAdditive();
                    result = new Binary(this.span(start), this.sourceSpan(start), operator, result, right);
                    continue;
            }
            break;
        }
        return result;
    }
    parseAdditive() {
        // '+', '-'
        const start = this.inputIndex;
        let result = this.parseMultiplicative();
        while (this.next.type == TokenType$1.Operator) {
            const operator = this.next.strValue;
            switch (operator) {
                case '+':
                case '-':
                    this.advance();
                    let right = this.parseMultiplicative();
                    result = new Binary(this.span(start), this.sourceSpan(start), operator, result, right);
                    continue;
            }
            break;
        }
        return result;
    }
    parseMultiplicative() {
        // '*', '%', '/'
        const start = this.inputIndex;
        let result = this.parsePrefix();
        while (this.next.type == TokenType$1.Operator) {
            const operator = this.next.strValue;
            switch (operator) {
                case '*':
                case '%':
                case '/':
                    this.advance();
                    let right = this.parsePrefix();
                    result = new Binary(this.span(start), this.sourceSpan(start), operator, result, right);
                    continue;
            }
            break;
        }
        return result;
    }
    parsePrefix() {
        if (this.next.type == TokenType$1.Operator) {
            const start = this.inputIndex;
            const operator = this.next.strValue;
            let result;
            switch (operator) {
                case '+':
                    this.advance();
                    result = this.parsePrefix();
                    return Unary.createPlus(this.span(start), this.sourceSpan(start), result);
                case '-':
                    this.advance();
                    result = this.parsePrefix();
                    return Unary.createMinus(this.span(start), this.sourceSpan(start), result);
                case '!':
                    this.advance();
                    result = this.parsePrefix();
                    return new PrefixNot(this.span(start), this.sourceSpan(start), result);
            }
        }
        return this.parseCallChain();
    }
    parseCallChain() {
        const start = this.inputIndex;
        let result = this.parsePrimary();
        while (true) {
            if (this.consumeOptionalCharacter($PERIOD)) {
                result = this.parseAccessMemberOrMethodCall(result, start, false);
            }
            else if (this.consumeOptionalOperator('?.')) {
                result = this.consumeOptionalCharacter($LBRACKET) ?
                    this.parseKeyedReadOrWrite(result, start, true) :
                    this.parseAccessMemberOrMethodCall(result, start, true);
            }
            else if (this.consumeOptionalCharacter($LBRACKET)) {
                result = this.parseKeyedReadOrWrite(result, start, false);
            }
            else if (this.consumeOptionalCharacter($LPAREN)) {
                this.rparensExpected++;
                const args = this.parseCallArguments();
                this.rparensExpected--;
                this.expectCharacter($RPAREN);
                result = new FunctionCall(this.span(start), this.sourceSpan(start), result, args);
            }
            else if (this.consumeOptionalOperator('!')) {
                result = new NonNullAssert(this.span(start), this.sourceSpan(start), result);
            }
            else {
                return result;
            }
        }
    }
    parsePrimary() {
        const start = this.inputIndex;
        if (this.consumeOptionalCharacter($LPAREN)) {
            this.rparensExpected++;
            const result = this.parsePipe();
            this.rparensExpected--;
            this.expectCharacter($RPAREN);
            return result;
        }
        else if (this.next.isKeywordNull()) {
            this.advance();
            return new LiteralPrimitive(this.span(start), this.sourceSpan(start), null);
        }
        else if (this.next.isKeywordUndefined()) {
            this.advance();
            return new LiteralPrimitive(this.span(start), this.sourceSpan(start), void 0);
        }
        else if (this.next.isKeywordTrue()) {
            this.advance();
            return new LiteralPrimitive(this.span(start), this.sourceSpan(start), true);
        }
        else if (this.next.isKeywordFalse()) {
            this.advance();
            return new LiteralPrimitive(this.span(start), this.sourceSpan(start), false);
        }
        else if (this.next.isKeywordThis()) {
            this.advance();
            return new ThisReceiver(this.span(start), this.sourceSpan(start));
        }
        else if (this.consumeOptionalCharacter($LBRACKET)) {
            this.rbracketsExpected++;
            const elements = this.parseExpressionList($RBRACKET);
            this.rbracketsExpected--;
            this.expectCharacter($RBRACKET);
            return new LiteralArray(this.span(start), this.sourceSpan(start), elements);
        }
        else if (this.next.isCharacter($LBRACE)) {
            return this.parseLiteralMap();
        }
        else if (this.next.isIdentifier()) {
            return this.parseAccessMemberOrMethodCall(new ImplicitReceiver(this.span(start), this.sourceSpan(start)), start, false);
        }
        else if (this.next.isNumber()) {
            const value = this.next.toNumber();
            this.advance();
            return new LiteralPrimitive(this.span(start), this.sourceSpan(start), value);
        }
        else if (this.next.isString()) {
            const literalValue = this.next.toString();
            this.advance();
            return new LiteralPrimitive(this.span(start), this.sourceSpan(start), literalValue);
        }
        else if (this.next.isPrivateIdentifier()) {
            this._reportErrorForPrivateIdentifier(this.next, null);
            return new EmptyExpr(this.span(start), this.sourceSpan(start));
        }
        else if (this.index >= this.tokens.length) {
            this.error(`Unexpected end of expression: ${this.input}`);
            return new EmptyExpr(this.span(start), this.sourceSpan(start));
        }
        else {
            this.error(`Unexpected token ${this.next}`);
            return new EmptyExpr(this.span(start), this.sourceSpan(start));
        }
    }
    parseExpressionList(terminator) {
        const result = [];
        do {
            if (!this.next.isCharacter(terminator)) {
                result.push(this.parsePipe());
            }
            else {
                break;
            }
        } while (this.consumeOptionalCharacter($COMMA));
        return result;
    }
    parseLiteralMap() {
        const keys = [];
        const values = [];
        const start = this.inputIndex;
        this.expectCharacter($LBRACE);
        if (!this.consumeOptionalCharacter($RBRACE)) {
            this.rbracesExpected++;
            do {
                const keyStart = this.inputIndex;
                const quoted = this.next.isString();
                const key = this.expectIdentifierOrKeywordOrString();
                keys.push({ key, quoted });
                // Properties with quoted keys can't use the shorthand syntax.
                if (quoted) {
                    this.expectCharacter($COLON);
                    values.push(this.parsePipe());
                }
                else if (this.consumeOptionalCharacter($COLON)) {
                    values.push(this.parsePipe());
                }
                else {
                    const span = this.span(keyStart);
                    const sourceSpan = this.sourceSpan(keyStart);
                    values.push(new PropertyRead(span, sourceSpan, sourceSpan, new ImplicitReceiver(span, sourceSpan), key));
                }
            } while (this.consumeOptionalCharacter($COMMA));
            this.rbracesExpected--;
            this.expectCharacter($RBRACE);
        }
        return new LiteralMap(this.span(start), this.sourceSpan(start), keys, values);
    }
    parseAccessMemberOrMethodCall(receiver, start, isSafe) {
        const nameStart = this.inputIndex;
        const id = this.withContext(ParseContextFlags.Writable, () => {
            var _a;
            const id = (_a = this.expectIdentifierOrKeyword()) !== null && _a !== void 0 ? _a : '';
            if (id.length === 0) {
                this.error(`Expected identifier for property access`, receiver.span.end);
            }
            return id;
        });
        const nameSpan = this.sourceSpan(nameStart);
        if (this.consumeOptionalCharacter($LPAREN)) {
            const argumentStart = this.inputIndex;
            this.rparensExpected++;
            const args = this.parseCallArguments();
            const argumentSpan = this.span(argumentStart, this.inputIndex).toAbsolute(this.absoluteOffset);
            this.expectCharacter($RPAREN);
            this.rparensExpected--;
            const span = this.span(start);
            const sourceSpan = this.sourceSpan(start);
            return isSafe ?
                new SafeMethodCall(span, sourceSpan, nameSpan, receiver, id, args, argumentSpan) :
                new MethodCall(span, sourceSpan, nameSpan, receiver, id, args, argumentSpan);
        }
        else {
            if (isSafe) {
                if (this.consumeOptionalOperator('=')) {
                    this.error('The \'?.\' operator cannot be used in the assignment');
                    return new EmptyExpr(this.span(start), this.sourceSpan(start));
                }
                else {
                    return new SafePropertyRead(this.span(start), this.sourceSpan(start), nameSpan, receiver, id);
                }
            }
            else {
                if (this.consumeOptionalOperator('=')) {
                    if (!this.parseAction) {
                        this.error('Bindings cannot contain assignments');
                        return new EmptyExpr(this.span(start), this.sourceSpan(start));
                    }
                    const value = this.parseConditional();
                    return new PropertyWrite(this.span(start), this.sourceSpan(start), nameSpan, receiver, id, value);
                }
                else {
                    return new PropertyRead(this.span(start), this.sourceSpan(start), nameSpan, receiver, id);
                }
            }
        }
    }
    parseCallArguments() {
        if (this.next.isCharacter($RPAREN))
            return [];
        const positionals = [];
        do {
            positionals.push(this.parsePipe());
        } while (this.consumeOptionalCharacter($COMMA));
        return positionals;
    }
    /**
     * Parses an identifier, a keyword, a string with an optional `-` in between,
     * and returns the string along with its absolute source span.
     */
    expectTemplateBindingKey() {
        let result = '';
        let operatorFound = false;
        const start = this.currentAbsoluteOffset;
        do {
            result += this.expectIdentifierOrKeywordOrString();
            operatorFound = this.consumeOptionalOperator('-');
            if (operatorFound) {
                result += '-';
            }
        } while (operatorFound);
        return {
            source: result,
            span: new AbsoluteSourceSpan(start, start + result.length),
        };
    }
    /**
     * Parse microsyntax template expression and return a list of bindings or
     * parsing errors in case the given expression is invalid.
     *
     * For example,
     * ```
     *   <div *ngFor="let item of items; index as i; trackBy: func">
     * ```
     * contains five bindings:
     * 1. ngFor -> null
     * 2. item -> NgForOfContext.$implicit
     * 3. ngForOf -> items
     * 4. i -> NgForOfContext.index
     * 5. ngForTrackBy -> func
     *
     * For a full description of the microsyntax grammar, see
     * https://gist.github.com/mhevery/d3530294cff2e4a1b3fe15ff75d08855
     *
     * @param templateKey name of the microsyntax directive, like ngIf, ngFor,
     * without the *, along with its absolute span.
     */
    parseTemplateBindings(templateKey) {
        const bindings = [];
        // The first binding is for the template key itself
        // In *ngFor="let item of items", key = "ngFor", value = null
        // In *ngIf="cond | pipe", key = "ngIf", value = "cond | pipe"
        bindings.push(...this.parseDirectiveKeywordBindings(templateKey));
        while (this.index < this.tokens.length) {
            // If it starts with 'let', then this must be variable declaration
            const letBinding = this.parseLetBinding();
            if (letBinding) {
                bindings.push(letBinding);
            }
            else {
                // Two possible cases here, either `value "as" key` or
                // "directive-keyword expression". We don't know which case, but both
                // "value" and "directive-keyword" are template binding key, so consume
                // the key first.
                const key = this.expectTemplateBindingKey();
                // Peek at the next token, if it is "as" then this must be variable
                // declaration.
                const binding = this.parseAsBinding(key);
                if (binding) {
                    bindings.push(binding);
                }
                else {
                    // Otherwise the key must be a directive keyword, like "of". Transform
                    // the key to actual key. Eg. of -> ngForOf, trackBy -> ngForTrackBy
                    key.source =
                        templateKey.source + key.source.charAt(0).toUpperCase() + key.source.substring(1);
                    bindings.push(...this.parseDirectiveKeywordBindings(key));
                }
            }
            this.consumeStatementTerminator();
        }
        return new TemplateBindingParseResult(bindings, [] /* warnings */, this.errors);
    }
    parseKeyedReadOrWrite(receiver, start, isSafe) {
        return this.withContext(ParseContextFlags.Writable, () => {
            this.rbracketsExpected++;
            const key = this.parsePipe();
            if (key instanceof EmptyExpr) {
                this.error(`Key access cannot be empty`);
            }
            this.rbracketsExpected--;
            this.expectCharacter($RBRACKET);
            if (this.consumeOptionalOperator('=')) {
                if (isSafe) {
                    this.error('The \'?.\' operator cannot be used in the assignment');
                }
                else {
                    const value = this.parseConditional();
                    return new KeyedWrite(this.span(start), this.sourceSpan(start), receiver, key, value);
                }
            }
            else {
                return isSafe ? new SafeKeyedRead(this.span(start), this.sourceSpan(start), receiver, key) :
                    new KeyedRead(this.span(start), this.sourceSpan(start), receiver, key);
            }
            return new EmptyExpr(this.span(start), this.sourceSpan(start));
        });
    }
    /**
     * Parse a directive keyword, followed by a mandatory expression.
     * For example, "of items", "trackBy: func".
     * The bindings are: ngForOf -> items, ngForTrackBy -> func
     * There could be an optional "as" binding that follows the expression.
     * For example,
     * ```
     *   *ngFor="let item of items | slice:0:1 as collection".
     *                    ^^ ^^^^^^^^^^^^^^^^^ ^^^^^^^^^^^^^
     *               keyword    bound target   optional 'as' binding
     * ```
     *
     * @param key binding key, for example, ngFor, ngIf, ngForOf, along with its
     * absolute span.
     */
    parseDirectiveKeywordBindings(key) {
        const bindings = [];
        this.consumeOptionalCharacter($COLON); // trackBy: trackByFunction
        const value = this.getDirectiveBoundTarget();
        let spanEnd = this.currentAbsoluteOffset;
        // The binding could optionally be followed by "as". For example,
        // *ngIf="cond | pipe as x". In this case, the key in the "as" binding
        // is "x" and the value is the template key itself ("ngIf"). Note that the
        // 'key' in the current context now becomes the "value" in the next binding.
        const asBinding = this.parseAsBinding(key);
        if (!asBinding) {
            this.consumeStatementTerminator();
            spanEnd = this.currentAbsoluteOffset;
        }
        const sourceSpan = new AbsoluteSourceSpan(key.span.start, spanEnd);
        bindings.push(new ExpressionBinding(sourceSpan, key, value));
        if (asBinding) {
            bindings.push(asBinding);
        }
        return bindings;
    }
    /**
     * Return the expression AST for the bound target of a directive keyword
     * binding. For example,
     * ```
     *   *ngIf="condition | pipe"
     *          ^^^^^^^^^^^^^^^^ bound target for "ngIf"
     *   *ngFor="let item of items"
     *                       ^^^^^ bound target for "ngForOf"
     * ```
     */
    getDirectiveBoundTarget() {
        if (this.next === EOF || this.peekKeywordAs() || this.peekKeywordLet()) {
            return null;
        }
        const ast = this.parsePipe(); // example: "condition | async"
        const { start, end } = ast.span;
        const value = this.input.substring(start, end);
        return new ASTWithSource(ast, value, this.location, this.absoluteOffset + start, this.errors);
    }
    /**
     * Return the binding for a variable declared using `as`. Note that the order
     * of the key-value pair in this declaration is reversed. For example,
     * ```
     *   *ngFor="let item of items; index as i"
     *                              ^^^^^    ^
     *                              value    key
     * ```
     *
     * @param value name of the value in the declaration, "ngIf" in the example
     * above, along with its absolute span.
     */
    parseAsBinding(value) {
        if (!this.peekKeywordAs()) {
            return null;
        }
        this.advance(); // consume the 'as' keyword
        const key = this.expectTemplateBindingKey();
        this.consumeStatementTerminator();
        const sourceSpan = new AbsoluteSourceSpan(value.span.start, this.currentAbsoluteOffset);
        return new VariableBinding(sourceSpan, key, value);
    }
    /**
     * Return the binding for a variable declared using `let`. For example,
     * ```
     *   *ngFor="let item of items; let i=index;"
     *           ^^^^^^^^           ^^^^^^^^^^^
     * ```
     * In the first binding, `item` is bound to `NgForOfContext.$implicit`.
     * In the second binding, `i` is bound to `NgForOfContext.index`.
     */
    parseLetBinding() {
        if (!this.peekKeywordLet()) {
            return null;
        }
        const spanStart = this.currentAbsoluteOffset;
        this.advance(); // consume the 'let' keyword
        const key = this.expectTemplateBindingKey();
        let value = null;
        if (this.consumeOptionalOperator('=')) {
            value = this.expectTemplateBindingKey();
        }
        this.consumeStatementTerminator();
        const sourceSpan = new AbsoluteSourceSpan(spanStart, this.currentAbsoluteOffset);
        return new VariableBinding(sourceSpan, key, value);
    }
    /**
     * Consume the optional statement terminator: semicolon or comma.
     */
    consumeStatementTerminator() {
        this.consumeOptionalCharacter($SEMICOLON) || this.consumeOptionalCharacter($COMMA);
    }
    /**
     * Records an error and skips over the token stream until reaching a recoverable point. See
     * `this.skip` for more details on token skipping.
     */
    error(message, index = null) {
        this.errors.push(new ParserError(message, this.input, this.locationText(index), this.location));
        this.skip();
    }
    locationText(index = null) {
        if (index == null)
            index = this.index;
        return (index < this.tokens.length) ? `at column ${this.tokens[index].index + 1} in` :
            `at the end of the expression`;
    }
    /**
     * Records an error for an unexpected private identifier being discovered.
     * @param token Token representing a private identifier.
     * @param extraMessage Optional additional message being appended to the error.
     */
    _reportErrorForPrivateIdentifier(token, extraMessage) {
        let errorMessage = `Private identifiers are not supported. Unexpected private identifier: ${token}`;
        if (extraMessage !== null) {
            errorMessage += `, ${extraMessage}`;
        }
        this.error(errorMessage);
    }
    /**
     * Error recovery should skip tokens until it encounters a recovery point.
     *
     * The following are treated as unconditional recovery points:
     *   - end of input
     *   - ';' (parseChain() is always the root production, and it expects a ';')
     *   - '|' (since pipes may be chained and each pipe expression may be treated independently)
     *
     * The following are conditional recovery points:
     *   - ')', '}', ']' if one of calling productions is expecting one of these symbols
     *     - This allows skip() to recover from errors such as '(a.) + 1' allowing more of the AST to
     *       be retained (it doesn't skip any tokens as the ')' is retained because of the '(' begins
     *       an '(' <expr> ')' production).
     *       The recovery points of grouping symbols must be conditional as they must be skipped if
     *       none of the calling productions are not expecting the closing token else we will never
     *       make progress in the case of an extraneous group closing symbol (such as a stray ')').
     *       That is, we skip a closing symbol if we are not in a grouping production.
     *   - '=' in a `Writable` context
     *     - In this context, we are able to recover after seeing the `=` operator, which
     *       signals the presence of an independent rvalue expression following the `=` operator.
     *
     * If a production expects one of these token it increments the corresponding nesting count,
     * and then decrements it just prior to checking if the token is in the input.
     */
    skip() {
        let n = this.next;
        while (this.index < this.tokens.length && !n.isCharacter($SEMICOLON) &&
            !n.isOperator('|') && (this.rparensExpected <= 0 || !n.isCharacter($RPAREN)) &&
            (this.rbracesExpected <= 0 || !n.isCharacter($RBRACE)) &&
            (this.rbracketsExpected <= 0 || !n.isCharacter($RBRACKET)) &&
            (!(this.context & ParseContextFlags.Writable) || !n.isOperator('='))) {
            if (this.next.isError()) {
                this.errors.push(new ParserError(this.next.toString(), this.input, this.locationText(), this.location));
            }
            this.advance();
            n = this.next;
        }
    }
}
class SimpleExpressionChecker {
    constructor() {
        this.errors = [];
    }
    visitImplicitReceiver(ast, context) { }
    visitThisReceiver(ast, context) { }
    visitInterpolation(ast, context) { }
    visitLiteralPrimitive(ast, context) { }
    visitPropertyRead(ast, context) { }
    visitPropertyWrite(ast, context) { }
    visitSafePropertyRead(ast, context) { }
    visitMethodCall(ast, context) { }
    visitSafeMethodCall(ast, context) { }
    visitFunctionCall(ast, context) { }
    visitLiteralArray(ast, context) {
        this.visitAll(ast.expressions, context);
    }
    visitLiteralMap(ast, context) {
        this.visitAll(ast.values, context);
    }
    visitUnary(ast, context) { }
    visitBinary(ast, context) { }
    visitPrefixNot(ast, context) { }
    visitNonNullAssert(ast, context) { }
    visitConditional(ast, context) { }
    visitPipe(ast, context) {
        this.errors.push('pipes');
    }
    visitKeyedRead(ast, context) { }
    visitKeyedWrite(ast, context) { }
    visitAll(asts, context) {
        return asts.map(node => node.visit(this, context));
    }
    visitChain(ast, context) { }
    visitQuote(ast, context) { }
    visitSafeKeyedRead(ast, context) { }
}
/**
 * This class implements SimpleExpressionChecker used in View Engine and performs more strict checks
 * to make sure host bindings do not contain pipes. In View Engine, having pipes in host bindings is
 * not supported as well, but in some cases (like `!(value | async)`) the error is not triggered at
 * compile time. In order to preserve View Engine behavior, more strict checks are introduced for
 * Ivy mode only.
 */
class IvySimpleExpressionChecker extends RecursiveAstVisitor$1 {
    constructor() {
        super(...arguments);
        this.errors = [];
    }
    visitPipe() {
        this.errors.push('pipes');
    }
}

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
function mapEntry(key, value) {
    return { key, value, quoted: false };
}
function mapLiteral(obj, quoted = false) {
    return literalMap(Object.keys(obj).map(key => ({
        key,
        quoted,
        value: obj[key],
    })));
}

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
// =================================================================================================
// =================================================================================================
// =========== S T O P   -  S T O P   -  S T O P   -  S T O P   -  S T O P   -  S T O P  ===========
// =================================================================================================
// =================================================================================================
//
//        DO NOT EDIT THIS LIST OF SECURITY SENSITIVE PROPERTIES WITHOUT A SECURITY REVIEW!
//                               Reach out to mprobst for details.
//
// =================================================================================================
/** Map from tagName|propertyName to SecurityContext. Properties applying to all tags use '*'. */
let _SECURITY_SCHEMA;
function SECURITY_SCHEMA() {
    if (!_SECURITY_SCHEMA) {
        _SECURITY_SCHEMA = {};
        // Case is insignificant below, all element and attribute names are lower-cased for lookup.
        registerContext(SecurityContext.HTML, [
            'iframe|srcdoc',
            '*|innerHTML',
            '*|outerHTML',
        ]);
        registerContext(SecurityContext.STYLE, ['*|style']);
        // NB: no SCRIPT contexts here, they are never allowed due to the parser stripping them.
        registerContext(SecurityContext.URL, [
            '*|formAction', 'area|href', 'area|ping', 'audio|src', 'a|href',
            'a|ping', 'blockquote|cite', 'body|background', 'del|cite', 'form|action',
            'img|src', 'img|srcset', 'input|src', 'ins|cite', 'q|cite',
            'source|src', 'source|srcset', 'track|src', 'video|poster', 'video|src',
        ]);
        registerContext(SecurityContext.RESOURCE_URL, [
            'applet|code',
            'applet|codebase',
            'base|href',
            'embed|src',
            'frame|src',
            'head|profile',
            'html|manifest',
            'iframe|src',
            'link|href',
            'media|src',
            'object|codebase',
            'object|data',
            'script|src',
        ]);
    }
    return _SECURITY_SCHEMA;
}
function registerContext(ctx, specs) {
    for (const spec of specs)
        _SECURITY_SCHEMA[spec.toLowerCase()] = ctx;
}

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
class ElementSchemaRegistry {
}

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
const BOOLEAN = 'boolean';
const NUMBER = 'number';
const STRING = 'string';
const OBJECT = 'object';
/**
 * This array represents the DOM schema. It encodes inheritance, properties, and events.
 *
 * ## Overview
 *
 * Each line represents one kind of element. The `element_inheritance` and properties are joined
 * using `element_inheritance|properties` syntax.
 *
 * ## Element Inheritance
 *
 * The `element_inheritance` can be further subdivided as `element1,element2,...^parentElement`.
 * Here the individual elements are separated by `,` (commas). Every element in the list
 * has identical properties.
 *
 * An `element` may inherit additional properties from `parentElement` If no `^parentElement` is
 * specified then `""` (blank) element is assumed.
 *
 * NOTE: The blank element inherits from root `[Element]` element, the super element of all
 * elements.
 *
 * NOTE an element prefix such as `:svg:` has no special meaning to the schema.
 *
 * ## Properties
 *
 * Each element has a set of properties separated by `,` (commas). Each property can be prefixed
 * by a special character designating its type:
 *
 * - (no prefix): property is a string.
 * - `*`: property represents an event.
 * - `!`: property is a boolean.
 * - `#`: property is a number.
 * - `%`: property is an object.
 *
 * ## Query
 *
 * The class creates an internal squas representation which allows to easily answer the query of
 * if a given property exist on a given element.
 *
 * NOTE: We don't yet support querying for types or events.
 * NOTE: This schema is auto extracted from `schema_extractor.ts` located in the test folder,
 *       see dom_element_schema_registry_spec.ts
 */
// =================================================================================================
// =================================================================================================
// =========== S T O P   -  S T O P   -  S T O P   -  S T O P   -  S T O P   -  S T O P  ===========
// =================================================================================================
// =================================================================================================
//
//                       DO NOT EDIT THIS DOM SCHEMA WITHOUT A SECURITY REVIEW!
//
// Newly added properties must be security reviewed and assigned an appropriate SecurityContext in
// dom_security_schema.ts. Reach out to mprobst & rjamet for details.
//
// =================================================================================================
const SCHEMA = [
    '[Element]|textContent,%classList,className,id,innerHTML,*beforecopy,*beforecut,*beforepaste,*copy,*cut,*paste,*search,*selectstart,*webkitfullscreenchange,*webkitfullscreenerror,*wheel,outerHTML,#scrollLeft,#scrollTop,slot' +
        /* added manually to avoid breaking changes */
        ',*message,*mozfullscreenchange,*mozfullscreenerror,*mozpointerlockchange,*mozpointerlockerror,*webglcontextcreationerror,*webglcontextlost,*webglcontextrestored',
    '[HTMLElement]^[Element]|accessKey,contentEditable,dir,!draggable,!hidden,innerText,lang,*abort,*auxclick,*blur,*cancel,*canplay,*canplaythrough,*change,*click,*close,*contextmenu,*cuechange,*dblclick,*drag,*dragend,*dragenter,*dragleave,*dragover,*dragstart,*drop,*durationchange,*emptied,*ended,*error,*focus,*gotpointercapture,*input,*invalid,*keydown,*keypress,*keyup,*load,*loadeddata,*loadedmetadata,*loadstart,*lostpointercapture,*mousedown,*mouseenter,*mouseleave,*mousemove,*mouseout,*mouseover,*mouseup,*mousewheel,*pause,*play,*playing,*pointercancel,*pointerdown,*pointerenter,*pointerleave,*pointermove,*pointerout,*pointerover,*pointerup,*progress,*ratechange,*reset,*resize,*scroll,*seeked,*seeking,*select,*show,*stalled,*submit,*suspend,*timeupdate,*toggle,*volumechange,*waiting,outerText,!spellcheck,%style,#tabIndex,title,!translate',
    'abbr,address,article,aside,b,bdi,bdo,cite,code,dd,dfn,dt,em,figcaption,figure,footer,header,i,kbd,main,mark,nav,noscript,rb,rp,rt,rtc,ruby,s,samp,section,small,strong,sub,sup,u,var,wbr^[HTMLElement]|accessKey,contentEditable,dir,!draggable,!hidden,innerText,lang,*abort,*auxclick,*blur,*cancel,*canplay,*canplaythrough,*change,*click,*close,*contextmenu,*cuechange,*dblclick,*drag,*dragend,*dragenter,*dragleave,*dragover,*dragstart,*drop,*durationchange,*emptied,*ended,*error,*focus,*gotpointercapture,*input,*invalid,*keydown,*keypress,*keyup,*load,*loadeddata,*loadedmetadata,*loadstart,*lostpointercapture,*mousedown,*mouseenter,*mouseleave,*mousemove,*mouseout,*mouseover,*mouseup,*mousewheel,*pause,*play,*playing,*pointercancel,*pointerdown,*pointerenter,*pointerleave,*pointermove,*pointerout,*pointerover,*pointerup,*progress,*ratechange,*reset,*resize,*scroll,*seeked,*seeking,*select,*show,*stalled,*submit,*suspend,*timeupdate,*toggle,*volumechange,*waiting,outerText,!spellcheck,%style,#tabIndex,title,!translate',
    'media^[HTMLElement]|!autoplay,!controls,%controlsList,%crossOrigin,#currentTime,!defaultMuted,#defaultPlaybackRate,!disableRemotePlayback,!loop,!muted,*encrypted,*waitingforkey,#playbackRate,preload,src,%srcObject,#volume',
    ':svg:^[HTMLElement]|*abort,*auxclick,*blur,*cancel,*canplay,*canplaythrough,*change,*click,*close,*contextmenu,*cuechange,*dblclick,*drag,*dragend,*dragenter,*dragleave,*dragover,*dragstart,*drop,*durationchange,*emptied,*ended,*error,*focus,*gotpointercapture,*input,*invalid,*keydown,*keypress,*keyup,*load,*loadeddata,*loadedmetadata,*loadstart,*lostpointercapture,*mousedown,*mouseenter,*mouseleave,*mousemove,*mouseout,*mouseover,*mouseup,*mousewheel,*pause,*play,*playing,*pointercancel,*pointerdown,*pointerenter,*pointerleave,*pointermove,*pointerout,*pointerover,*pointerup,*progress,*ratechange,*reset,*resize,*scroll,*seeked,*seeking,*select,*show,*stalled,*submit,*suspend,*timeupdate,*toggle,*volumechange,*waiting,%style,#tabIndex',
    ':svg:graphics^:svg:|',
    ':svg:animation^:svg:|*begin,*end,*repeat',
    ':svg:geometry^:svg:|',
    ':svg:componentTransferFunction^:svg:|',
    ':svg:gradient^:svg:|',
    ':svg:textContent^:svg:graphics|',
    ':svg:textPositioning^:svg:textContent|',
    'a^[HTMLElement]|charset,coords,download,hash,host,hostname,href,hreflang,name,password,pathname,ping,port,protocol,referrerPolicy,rel,rev,search,shape,target,text,type,username',
    'area^[HTMLElement]|alt,coords,download,hash,host,hostname,href,!noHref,password,pathname,ping,port,protocol,referrerPolicy,rel,search,shape,target,username',
    'audio^media|',
    'br^[HTMLElement]|clear',
    'base^[HTMLElement]|href,target',
    'body^[HTMLElement]|aLink,background,bgColor,link,*beforeunload,*blur,*error,*focus,*hashchange,*languagechange,*load,*message,*offline,*online,*pagehide,*pageshow,*popstate,*rejectionhandled,*resize,*scroll,*storage,*unhandledrejection,*unload,text,vLink',
    'button^[HTMLElement]|!autofocus,!disabled,formAction,formEnctype,formMethod,!formNoValidate,formTarget,name,type,value',
    'canvas^[HTMLElement]|#height,#width',
    'content^[HTMLElement]|select',
    'dl^[HTMLElement]|!compact',
    'datalist^[HTMLElement]|',
    'details^[HTMLElement]|!open',
    'dialog^[HTMLElement]|!open,returnValue',
    'dir^[HTMLElement]|!compact',
    'div^[HTMLElement]|align',
    'embed^[HTMLElement]|align,height,name,src,type,width',
    'fieldset^[HTMLElement]|!disabled,name',
    'font^[HTMLElement]|color,face,size',
    'form^[HTMLElement]|acceptCharset,action,autocomplete,encoding,enctype,method,name,!noValidate,target',
    'frame^[HTMLElement]|frameBorder,longDesc,marginHeight,marginWidth,name,!noResize,scrolling,src',
    'frameset^[HTMLElement]|cols,*beforeunload,*blur,*error,*focus,*hashchange,*languagechange,*load,*message,*offline,*online,*pagehide,*pageshow,*popstate,*rejectionhandled,*resize,*scroll,*storage,*unhandledrejection,*unload,rows',
    'hr^[HTMLElement]|align,color,!noShade,size,width',
    'head^[HTMLElement]|',
    'h1,h2,h3,h4,h5,h6^[HTMLElement]|align',
    'html^[HTMLElement]|version',
    'iframe^[HTMLElement]|align,!allowFullscreen,frameBorder,height,longDesc,marginHeight,marginWidth,name,referrerPolicy,%sandbox,scrolling,src,srcdoc,width',
    'img^[HTMLElement]|align,alt,border,%crossOrigin,#height,#hspace,!isMap,longDesc,lowsrc,name,referrerPolicy,sizes,src,srcset,useMap,#vspace,#width',
    'input^[HTMLElement]|accept,align,alt,autocapitalize,autocomplete,!autofocus,!checked,!defaultChecked,defaultValue,dirName,!disabled,%files,formAction,formEnctype,formMethod,!formNoValidate,formTarget,#height,!incremental,!indeterminate,max,#maxLength,min,#minLength,!multiple,name,pattern,placeholder,!readOnly,!required,selectionDirection,#selectionEnd,#selectionStart,#size,src,step,type,useMap,value,%valueAsDate,#valueAsNumber,#width',
    'li^[HTMLElement]|type,#value',
    'label^[HTMLElement]|htmlFor',
    'legend^[HTMLElement]|align',
    'link^[HTMLElement]|as,charset,%crossOrigin,!disabled,href,hreflang,integrity,media,referrerPolicy,rel,%relList,rev,%sizes,target,type',
    'map^[HTMLElement]|name',
    'marquee^[HTMLElement]|behavior,bgColor,direction,height,#hspace,#loop,#scrollAmount,#scrollDelay,!trueSpeed,#vspace,width',
    'menu^[HTMLElement]|!compact',
    'meta^[HTMLElement]|content,httpEquiv,name,scheme',
    'meter^[HTMLElement]|#high,#low,#max,#min,#optimum,#value',
    'ins,del^[HTMLElement]|cite,dateTime',
    'ol^[HTMLElement]|!compact,!reversed,#start,type',
    'object^[HTMLElement]|align,archive,border,code,codeBase,codeType,data,!declare,height,#hspace,name,standby,type,useMap,#vspace,width',
    'optgroup^[HTMLElement]|!disabled,label',
    'option^[HTMLElement]|!defaultSelected,!disabled,label,!selected,text,value',
    'output^[HTMLElement]|defaultValue,%htmlFor,name,value',
    'p^[HTMLElement]|align',
    'param^[HTMLElement]|name,type,value,valueType',
    'picture^[HTMLElement]|',
    'pre^[HTMLElement]|#width',
    'progress^[HTMLElement]|#max,#value',
    'q,blockquote,cite^[HTMLElement]|',
    'script^[HTMLElement]|!async,charset,%crossOrigin,!defer,event,htmlFor,integrity,src,text,type',
    'select^[HTMLElement]|autocomplete,!autofocus,!disabled,#length,!multiple,name,!required,#selectedIndex,#size,value',
    'shadow^[HTMLElement]|',
    'slot^[HTMLElement]|name',
    'source^[HTMLElement]|media,sizes,src,srcset,type',
    'span^[HTMLElement]|',
    'style^[HTMLElement]|!disabled,media,type',
    'caption^[HTMLElement]|align',
    'th,td^[HTMLElement]|abbr,align,axis,bgColor,ch,chOff,#colSpan,headers,height,!noWrap,#rowSpan,scope,vAlign,width',
    'col,colgroup^[HTMLElement]|align,ch,chOff,#span,vAlign,width',
    'table^[HTMLElement]|align,bgColor,border,%caption,cellPadding,cellSpacing,frame,rules,summary,%tFoot,%tHead,width',
    'tr^[HTMLElement]|align,bgColor,ch,chOff,vAlign',
    'tfoot,thead,tbody^[HTMLElement]|align,ch,chOff,vAlign',
    'template^[HTMLElement]|',
    'textarea^[HTMLElement]|autocapitalize,autocomplete,!autofocus,#cols,defaultValue,dirName,!disabled,#maxLength,#minLength,name,placeholder,!readOnly,!required,#rows,selectionDirection,#selectionEnd,#selectionStart,value,wrap',
    'title^[HTMLElement]|text',
    'track^[HTMLElement]|!default,kind,label,src,srclang',
    'ul^[HTMLElement]|!compact,type',
    'unknown^[HTMLElement]|',
    'video^media|#height,poster,#width',
    ':svg:a^:svg:graphics|',
    ':svg:animate^:svg:animation|',
    ':svg:animateMotion^:svg:animation|',
    ':svg:animateTransform^:svg:animation|',
    ':svg:circle^:svg:geometry|',
    ':svg:clipPath^:svg:graphics|',
    ':svg:defs^:svg:graphics|',
    ':svg:desc^:svg:|',
    ':svg:discard^:svg:|',
    ':svg:ellipse^:svg:geometry|',
    ':svg:feBlend^:svg:|',
    ':svg:feColorMatrix^:svg:|',
    ':svg:feComponentTransfer^:svg:|',
    ':svg:feComposite^:svg:|',
    ':svg:feConvolveMatrix^:svg:|',
    ':svg:feDiffuseLighting^:svg:|',
    ':svg:feDisplacementMap^:svg:|',
    ':svg:feDistantLight^:svg:|',
    ':svg:feDropShadow^:svg:|',
    ':svg:feFlood^:svg:|',
    ':svg:feFuncA^:svg:componentTransferFunction|',
    ':svg:feFuncB^:svg:componentTransferFunction|',
    ':svg:feFuncG^:svg:componentTransferFunction|',
    ':svg:feFuncR^:svg:componentTransferFunction|',
    ':svg:feGaussianBlur^:svg:|',
    ':svg:feImage^:svg:|',
    ':svg:feMerge^:svg:|',
    ':svg:feMergeNode^:svg:|',
    ':svg:feMorphology^:svg:|',
    ':svg:feOffset^:svg:|',
    ':svg:fePointLight^:svg:|',
    ':svg:feSpecularLighting^:svg:|',
    ':svg:feSpotLight^:svg:|',
    ':svg:feTile^:svg:|',
    ':svg:feTurbulence^:svg:|',
    ':svg:filter^:svg:|',
    ':svg:foreignObject^:svg:graphics|',
    ':svg:g^:svg:graphics|',
    ':svg:image^:svg:graphics|',
    ':svg:line^:svg:geometry|',
    ':svg:linearGradient^:svg:gradient|',
    ':svg:mpath^:svg:|',
    ':svg:marker^:svg:|',
    ':svg:mask^:svg:|',
    ':svg:metadata^:svg:|',
    ':svg:path^:svg:geometry|',
    ':svg:pattern^:svg:|',
    ':svg:polygon^:svg:geometry|',
    ':svg:polyline^:svg:geometry|',
    ':svg:radialGradient^:svg:gradient|',
    ':svg:rect^:svg:geometry|',
    ':svg:svg^:svg:graphics|#currentScale,#zoomAndPan',
    ':svg:script^:svg:|type',
    ':svg:set^:svg:animation|',
    ':svg:stop^:svg:|',
    ':svg:style^:svg:|!disabled,media,title,type',
    ':svg:switch^:svg:graphics|',
    ':svg:symbol^:svg:|',
    ':svg:tspan^:svg:textPositioning|',
    ':svg:text^:svg:textPositioning|',
    ':svg:textPath^:svg:textContent|',
    ':svg:title^:svg:|',
    ':svg:use^:svg:graphics|',
    ':svg:view^:svg:|#zoomAndPan',
    'data^[HTMLElement]|value',
    'keygen^[HTMLElement]|!autofocus,challenge,!disabled,form,keytype,name',
    'menuitem^[HTMLElement]|type,label,icon,!disabled,!checked,radiogroup,!default',
    'summary^[HTMLElement]|',
    'time^[HTMLElement]|dateTime',
    ':svg:cursor^:svg:|',
];
const _ATTR_TO_PROP = {
    'class': 'className',
    'for': 'htmlFor',
    'formaction': 'formAction',
    'innerHtml': 'innerHTML',
    'readonly': 'readOnly',
    'tabindex': 'tabIndex',
};
// Invert _ATTR_TO_PROP.
const _PROP_TO_ATTR = Object.keys(_ATTR_TO_PROP).reduce((inverted, attr) => {
    inverted[_ATTR_TO_PROP[attr]] = attr;
    return inverted;
}, {});
class DomElementSchemaRegistry extends ElementSchemaRegistry {
    constructor() {
        super();
        this._schema = {};
        SCHEMA.forEach(encodedType => {
            const type = {};
            const [strType, strProperties] = encodedType.split('|');
            const properties = strProperties.split(',');
            const [typeNames, superName] = strType.split('^');
            typeNames.split(',').forEach(tag => this._schema[tag.toLowerCase()] = type);
            const superType = superName && this._schema[superName.toLowerCase()];
            if (superType) {
                Object.keys(superType).forEach((prop) => {
                    type[prop] = superType[prop];
                });
            }
            properties.forEach((property) => {
                if (property.length > 0) {
                    switch (property[0]) {
                        case '*':
                            // We don't yet support events.
                            // If ever allowing to bind to events, GO THROUGH A SECURITY REVIEW, allowing events
                            // will
                            // almost certainly introduce bad XSS vulnerabilities.
                            // type[property.substring(1)] = EVENT;
                            break;
                        case '!':
                            type[property.substring(1)] = BOOLEAN;
                            break;
                        case '#':
                            type[property.substring(1)] = NUMBER;
                            break;
                        case '%':
                            type[property.substring(1)] = OBJECT;
                            break;
                        default:
                            type[property] = STRING;
                    }
                }
            });
        });
    }
    hasProperty(tagName, propName, schemaMetas) {
        if (schemaMetas.some((schema) => schema.name === NO_ERRORS_SCHEMA.name)) {
            return true;
        }
        if (tagName.indexOf('-') > -1) {
            if (isNgContainer(tagName) || isNgContent(tagName)) {
                return false;
            }
            if (schemaMetas.some((schema) => schema.name === CUSTOM_ELEMENTS_SCHEMA.name)) {
                // Can't tell now as we don't know which properties a custom element will get
                // once it is instantiated
                return true;
            }
        }
        const elementProperties = this._schema[tagName.toLowerCase()] || this._schema['unknown'];
        return !!elementProperties[propName];
    }
    hasElement(tagName, schemaMetas) {
        if (schemaMetas.some((schema) => schema.name === NO_ERRORS_SCHEMA.name)) {
            return true;
        }
        if (tagName.indexOf('-') > -1) {
            if (isNgContainer(tagName) || isNgContent(tagName)) {
                return true;
            }
            if (schemaMetas.some((schema) => schema.name === CUSTOM_ELEMENTS_SCHEMA.name)) {
                // Allow any custom elements
                return true;
            }
        }
        return !!this._schema[tagName.toLowerCase()];
    }
    /**
     * securityContext returns the security context for the given property on the given DOM tag.
     *
     * Tag and property name are statically known and cannot change at runtime, i.e. it is not
     * possible to bind a value into a changing attribute or tag name.
     *
     * The filtering is based on a list of allowed tags|attributes. All attributes in the schema
     * above are assumed to have the 'NONE' security context, i.e. that they are safe inert
     * string values. Only specific well known attack vectors are assigned their appropriate context.
     */
    securityContext(tagName, propName, isAttribute) {
        if (isAttribute) {
            // NB: For security purposes, use the mapped property name, not the attribute name.
            propName = this.getMappedPropName(propName);
        }
        // Make sure comparisons are case insensitive, so that case differences between attribute and
        // property names do not have a security impact.
        tagName = tagName.toLowerCase();
        propName = propName.toLowerCase();
        let ctx = SECURITY_SCHEMA()[tagName + '|' + propName];
        if (ctx) {
            return ctx;
        }
        ctx = SECURITY_SCHEMA()['*|' + propName];
        return ctx ? ctx : SecurityContext.NONE;
    }
    getMappedPropName(propName) {
        return _ATTR_TO_PROP[propName] || propName;
    }
    getDefaultComponentElementName() {
        return 'ng-component';
    }
    validateProperty(name) {
        if (name.toLowerCase().startsWith('on')) {
            const msg = `Binding to event property '${name}' is disallowed for security reasons, ` +
                `please use (${name.slice(2)})=...` +
                `\nIf '${name}' is a directive input, make sure the directive is imported by the` +
                ` current module.`;
            return { error: true, msg: msg };
        }
        else {
            return { error: false };
        }
    }
    validateAttribute(name) {
        if (name.toLowerCase().startsWith('on')) {
            const msg = `Binding to event attribute '${name}' is disallowed for security reasons, ` +
                `please use (${name.slice(2)})=...`;
            return { error: true, msg: msg };
        }
        else {
            return { error: false };
        }
    }
    allKnownElementNames() {
        return Object.keys(this._schema);
    }
    allKnownAttributesOfElement(tagName) {
        const elementProperties = this._schema[tagName.toLowerCase()] || this._schema['unknown'];
        // Convert properties to attributes.
        return Object.keys(elementProperties).map(prop => { var _a; return (_a = _PROP_TO_ATTR[prop]) !== null && _a !== void 0 ? _a : prop; });
    }
    normalizeAnimationStyleProperty(propName) {
        return dashCaseToCamelCase(propName);
    }
    normalizeAnimationStyleValue(camelCaseProp, userProvidedProp, val) {
        let unit = '';
        const strVal = val.toString().trim();
        let errorMsg = null;
        if (_isPixelDimensionStyle(camelCaseProp) && val !== 0 && val !== '0') {
            if (typeof val === 'number') {
                unit = 'px';
            }
            else {
                const valAndSuffixMatch = val.match(/^[+-]?[\d\.]+([a-z]*)$/);
                if (valAndSuffixMatch && valAndSuffixMatch[1].length == 0) {
                    errorMsg = `Please provide a CSS unit value for ${userProvidedProp}:${val}`;
                }
            }
        }
        return { error: errorMsg, value: strVal + unit };
    }
}
function _isPixelDimensionStyle(prop) {
    switch (prop) {
        case 'width':
        case 'height':
        case 'minWidth':
        case 'minHeight':
        case 'maxWidth':
        case 'maxHeight':
        case 'left':
        case 'top':
        case 'bottom':
        case 'right':
        case 'fontSize':
        case 'outlineWidth':
        case 'outlineOffset':
        case 'paddingTop':
        case 'paddingLeft':
        case 'paddingBottom':
        case 'paddingRight':
        case 'marginTop':
        case 'marginLeft':
        case 'marginBottom':
        case 'marginRight':
        case 'borderRadius':
        case 'borderWidth':
        case 'borderTopWidth':
        case 'borderLeftWidth':
        case 'borderRightWidth':
        case 'borderBottomWidth':
        case 'textIndent':
            return true;
        default:
            return false;
    }
}

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
/**
 * Set of tagName|propertyName corresponding to Trusted Types sinks. Properties applying to all
 * tags use '*'.
 *
 * Extracted from, and should be kept in sync with
 * https://w3c.github.io/webappsec-trusted-types/dist/spec/#integrations
 */
const TRUSTED_TYPES_SINKS = new Set([
    // NOTE: All strings in this set *must* be lowercase!
    // TrustedHTML
    'iframe|srcdoc',
    '*|innerhtml',
    '*|outerhtml',
    // NB: no TrustedScript here, as the corresponding tags are stripped by the compiler.
    // TrustedScriptURL
    'embed|src',
    'object|codebase',
    'object|data',
]);
/**
 * isTrustedTypesSink returns true if the given property on the given DOM tag is a Trusted Types
 * sink. In that case, use `ElementSchemaRegistry.securityContext` to determine which particular
 * Trusted Type is required for values passed to the sink:
 * - SecurityContext.HTML corresponds to TrustedHTML
 * - SecurityContext.RESOURCE_URL corresponds to TrustedScriptURL
 */
function isTrustedTypesSink(tagName, propName) {
    // Make sure comparisons are case insensitive, so that case differences between attribute and
    // property names do not have a security impact.
    tagName = tagName.toLowerCase();
    propName = propName.toLowerCase();
    return TRUSTED_TYPES_SINKS.has(tagName + '|' + propName) ||
        TRUSTED_TYPES_SINKS.has('*|' + propName);
}

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
const BIND_NAME_REGEXP$1 = /^(?:(bind-)|(let-)|(ref-|#)|(on-)|(bindon-)|(@))(.*)$/;
// Group 1 = "bind-"
const KW_BIND_IDX$1 = 1;
// Group 2 = "let-"
const KW_LET_IDX$1 = 2;
// Group 3 = "ref-/#"
const KW_REF_IDX$1 = 3;
// Group 4 = "on-"
const KW_ON_IDX$1 = 4;
// Group 5 = "bindon-"
const KW_BINDON_IDX$1 = 5;
// Group 6 = "@"
const KW_AT_IDX$1 = 6;
// Group 7 = the identifier after "bind-", "let-", "ref-/#", "on-", "bindon-" or "@"
const IDENT_KW_IDX$1 = 7;
const BINDING_DELIMS = {
    BANANA_BOX: { start: '[(', end: ')]' },
    PROPERTY: { start: '[', end: ']' },
    EVENT: { start: '(', end: ')' },
};
const TEMPLATE_ATTR_PREFIX$2 = '*';
function htmlAstToRender3Ast(htmlNodes, bindingParser, options) {
    const transformer = new HtmlAstToIvyAst(bindingParser, options);
    const ivyNodes = visitAll$1(transformer, htmlNodes);
    // Errors might originate in either the binding parser or the html to ivy transformer
    const allErrors = bindingParser.errors.concat(transformer.errors);
    const result = {
        nodes: ivyNodes,
        errors: allErrors,
        styleUrls: transformer.styleUrls,
        styles: transformer.styles,
        ngContentSelectors: transformer.ngContentSelectors
    };
    if (options.collectCommentNodes) {
        result.commentNodes = transformer.commentNodes;
    }
    return result;
}
class HtmlAstToIvyAst {
    constructor(bindingParser, options) {
        this.bindingParser = bindingParser;
        this.options = options;
        this.errors = [];
        this.styles = [];
        this.styleUrls = [];
        this.ngContentSelectors = [];
        // This array will be populated if `Render3ParseOptions['collectCommentNodes']` is true
        this.commentNodes = [];
        this.inI18nBlock = false;
    }
    // HTML visitor
    visitElement(element) {
        const isI18nRootElement = isI18nRootNode(element.i18n);
        if (isI18nRootElement) {
            if (this.inI18nBlock) {
                this.reportError('Cannot mark an element as translatable inside of a translatable section. Please remove the nested i18n marker.', element.sourceSpan);
            }
            this.inI18nBlock = true;
        }
        const preparsedElement = preparseElement(element);
        if (preparsedElement.type === PreparsedElementType.SCRIPT) {
            return null;
        }
        else if (preparsedElement.type === PreparsedElementType.STYLE) {
            const contents = textContents(element);
            if (contents !== null) {
                this.styles.push(contents);
            }
            return null;
        }
        else if (preparsedElement.type === PreparsedElementType.STYLESHEET &&
            isStyleUrlResolvable(preparsedElement.hrefAttr)) {
            this.styleUrls.push(preparsedElement.hrefAttr);
            return null;
        }
        // Whether the element is a `<ng-template>`
        const isTemplateElement = isNgTemplate(element.name);
        const parsedProperties = [];
        const boundEvents = [];
        const variables = [];
        const references = [];
        const attributes = [];
        const i18nAttrsMeta = {};
        const templateParsedProperties = [];
        const templateVariables = [];
        // Whether the element has any *-attribute
        let elementHasInlineTemplate = false;
        for (const attribute of element.attrs) {
            let hasBinding = false;
            const normalizedName = normalizeAttributeName(attribute.name);
            // `*attr` defines template bindings
            let isTemplateBinding = false;
            if (attribute.i18n) {
                i18nAttrsMeta[attribute.name] = attribute.i18n;
            }
            if (normalizedName.startsWith(TEMPLATE_ATTR_PREFIX$2)) {
                // *-attributes
                if (elementHasInlineTemplate) {
                    this.reportError(`Can't have multiple template bindings on one element. Use only one attribute prefixed with *`, attribute.sourceSpan);
                }
                isTemplateBinding = true;
                elementHasInlineTemplate = true;
                const templateValue = attribute.value;
                const templateKey = normalizedName.substring(TEMPLATE_ATTR_PREFIX$2.length);
                const parsedVariables = [];
                const absoluteValueOffset = attribute.valueSpan ?
                    attribute.valueSpan.start.offset :
                    // If there is no value span the attribute does not have a value, like `attr` in
                    //`<div attr></div>`. In this case, point to one character beyond the last character of
                    // the attribute name.
                    attribute.sourceSpan.start.offset + attribute.name.length;
                this.bindingParser.parseInlineTemplateBinding(templateKey, templateValue, attribute.sourceSpan, absoluteValueOffset, [], templateParsedProperties, parsedVariables, true /* isIvyAst */);
                templateVariables.push(...parsedVariables.map(v => new Variable(v.name, v.value, v.sourceSpan, v.keySpan, v.valueSpan)));
            }
            else {
                // Check for variables, events, property bindings, interpolation
                hasBinding = this.parseAttribute(isTemplateElement, attribute, [], parsedProperties, boundEvents, variables, references);
            }
            if (!hasBinding && !isTemplateBinding) {
                // don't include the bindings as attributes as well in the AST
                attributes.push(this.visitAttribute(attribute));
            }
        }
        const children = visitAll$1(preparsedElement.nonBindable ? NON_BINDABLE_VISITOR$1 : this, element.children);
        let parsedElement;
        if (preparsedElement.type === PreparsedElementType.NG_CONTENT) {
            // `<ng-content>`
            if (element.children &&
                !element.children.every((node) => isEmptyTextNode(node) || isCommentNode(node))) {
                this.reportError(`<ng-content> element cannot have content.`, element.sourceSpan);
            }
            const selector = preparsedElement.selectAttr;
            const attrs = element.attrs.map(attr => this.visitAttribute(attr));
            parsedElement = new Content(selector, attrs, element.sourceSpan, element.i18n);
            this.ngContentSelectors.push(selector);
        }
        else if (isTemplateElement) {
            // `<ng-template>`
            const attrs = this.extractAttributes(element.name, parsedProperties, i18nAttrsMeta);
            parsedElement = new Template(element.name, attributes, attrs.bound, boundEvents, [ /* no template attributes */], children, references, variables, element.sourceSpan, element.startSourceSpan, element.endSourceSpan, element.i18n);
        }
        else {
            const attrs = this.extractAttributes(element.name, parsedProperties, i18nAttrsMeta);
            parsedElement = new Element(element.name, attributes, attrs.bound, boundEvents, children, references, element.sourceSpan, element.startSourceSpan, element.endSourceSpan, element.i18n);
        }
        if (elementHasInlineTemplate) {
            // If this node is an inline-template (e.g. has *ngFor) then we need to create a template
            // node that contains this node.
            // Moreover, if the node is an element, then we need to hoist its attributes to the template
            // node for matching against content projection selectors.
            const attrs = this.extractAttributes('ng-template', templateParsedProperties, i18nAttrsMeta);
            const templateAttrs = [];
            attrs.literal.forEach(attr => templateAttrs.push(attr));
            attrs.bound.forEach(attr => templateAttrs.push(attr));
            const hoistedAttrs = parsedElement instanceof Element ?
                {
                    attributes: parsedElement.attributes,
                    inputs: parsedElement.inputs,
                    outputs: parsedElement.outputs,
                } :
                { attributes: [], inputs: [], outputs: [] };
            // For <ng-template>s with structural directives on them, avoid passing i18n information to
            // the wrapping template to prevent unnecessary i18n instructions from being generated. The
            // necessary i18n meta information will be extracted from child elements.
            const i18n = isTemplateElement && isI18nRootElement ? undefined : element.i18n;
            // TODO(pk): test for this case
            parsedElement = new Template(parsedElement.name, hoistedAttrs.attributes, hoistedAttrs.inputs, hoistedAttrs.outputs, templateAttrs, [parsedElement], [ /* no references */], templateVariables, element.sourceSpan, element.startSourceSpan, element.endSourceSpan, i18n);
        }
        if (isI18nRootElement) {
            this.inI18nBlock = false;
        }
        return parsedElement;
    }
    visitAttribute(attribute) {
        return new TextAttribute(attribute.name, attribute.value, attribute.sourceSpan, attribute.keySpan, attribute.valueSpan, attribute.i18n);
    }
    visitText(text) {
        return this._visitTextWithInterpolation(text.value, text.sourceSpan, text.i18n);
    }
    visitExpansion(expansion) {
        if (!expansion.i18n) {
            // do not generate Icu in case it was created
            // outside of i18n block in a template
            return null;
        }
        if (!isI18nRootNode(expansion.i18n)) {
            throw new Error(`Invalid type "${expansion.i18n.constructor}" for "i18n" property of ${expansion.sourceSpan.toString()}. Expected a "Message"`);
        }
        const message = expansion.i18n;
        const vars = {};
        const placeholders = {};
        // extract VARs from ICUs - we process them separately while
        // assembling resulting message via goog.getMsg function, since
        // we need to pass them to top-level goog.getMsg call
        Object.keys(message.placeholders).forEach(key => {
            const value = message.placeholders[key];
            if (key.startsWith(I18N_ICU_VAR_PREFIX)) {
                // Currently when the `plural` or `select` keywords in an ICU contain trailing spaces (e.g.
                // `{count, select , ...}`), these spaces are also included into the key names in ICU vars
                // (e.g. "VAR_SELECT "). These trailing spaces are not desirable, since they will later be
                // converted into `_` symbols while normalizing placeholder names, which might lead to
                // mismatches at runtime (i.e. placeholder will not be replaced with the correct value).
                const formattedKey = key.trim();
                const ast = this.bindingParser.parseInterpolationExpression(value.text, value.sourceSpan);
                vars[formattedKey] = new BoundText(ast, value.sourceSpan);
            }
            else {
                placeholders[key] = this._visitTextWithInterpolation(value.text, value.sourceSpan);
            }
        });
        return new Icu(vars, placeholders, expansion.sourceSpan, message);
    }
    visitExpansionCase(expansionCase) {
        return null;
    }
    visitComment(comment) {
        if (this.options.collectCommentNodes) {
            this.commentNodes.push(new Comment(comment.value || '', comment.sourceSpan));
        }
        return null;
    }
    // convert view engine `ParsedProperty` to a format suitable for IVY
    extractAttributes(elementName, properties, i18nPropsMeta) {
        const bound = [];
        const literal = [];
        properties.forEach(prop => {
            const i18n = i18nPropsMeta[prop.name];
            if (prop.isLiteral) {
                literal.push(new TextAttribute(prop.name, prop.expression.source || '', prop.sourceSpan, prop.keySpan, prop.valueSpan, i18n));
            }
            else {
                // Note that validation is skipped and property mapping is disabled
                // due to the fact that we need to make sure a given prop is not an
                // input of a directive and directive matching happens at runtime.
                const bep = this.bindingParser.createBoundElementProperty(elementName, prop, /* skipValidation */ true, /* mapPropertyName */ false);
                bound.push(BoundAttribute.fromBoundElementProperty(bep, i18n));
            }
        });
        return { bound, literal };
    }
    parseAttribute(isTemplateElement, attribute, matchableAttributes, parsedProperties, boundEvents, variables, references) {
        const name = normalizeAttributeName(attribute.name);
        const value = attribute.value;
        const srcSpan = attribute.sourceSpan;
        const absoluteOffset = attribute.valueSpan ? attribute.valueSpan.start.offset : srcSpan.start.offset;
        function createKeySpan(srcSpan, prefix, identifier) {
            // We need to adjust the start location for the keySpan to account for the removed 'data-'
            // prefix from `normalizeAttributeName`.
            const normalizationAdjustment = attribute.name.length - name.length;
            const keySpanStart = srcSpan.start.moveBy(prefix.length + normalizationAdjustment);
            const keySpanEnd = keySpanStart.moveBy(identifier.length);
            return new ParseSourceSpan(keySpanStart, keySpanEnd, keySpanStart, identifier);
        }
        const bindParts = name.match(BIND_NAME_REGEXP$1);
        if (bindParts) {
            if (bindParts[KW_BIND_IDX$1] != null) {
                const identifier = bindParts[IDENT_KW_IDX$1];
                const keySpan = createKeySpan(srcSpan, bindParts[KW_BIND_IDX$1], identifier);
                this.bindingParser.parsePropertyBinding(identifier, value, false, srcSpan, absoluteOffset, attribute.valueSpan, matchableAttributes, parsedProperties, keySpan);
            }
            else if (bindParts[KW_LET_IDX$1]) {
                if (isTemplateElement) {
                    const identifier = bindParts[IDENT_KW_IDX$1];
                    const keySpan = createKeySpan(srcSpan, bindParts[KW_LET_IDX$1], identifier);
                    this.parseVariable(identifier, value, srcSpan, keySpan, attribute.valueSpan, variables);
                }
                else {
                    this.reportError(`"let-" is only supported on ng-template elements.`, srcSpan);
                }
            }
            else if (bindParts[KW_REF_IDX$1]) {
                const identifier = bindParts[IDENT_KW_IDX$1];
                const keySpan = createKeySpan(srcSpan, bindParts[KW_REF_IDX$1], identifier);
                this.parseReference(identifier, value, srcSpan, keySpan, attribute.valueSpan, references);
            }
            else if (bindParts[KW_ON_IDX$1]) {
                const events = [];
                const identifier = bindParts[IDENT_KW_IDX$1];
                const keySpan = createKeySpan(srcSpan, bindParts[KW_ON_IDX$1], identifier);
                this.bindingParser.parseEvent(identifier, value, srcSpan, attribute.valueSpan || srcSpan, matchableAttributes, events, keySpan);
                addEvents(events, boundEvents);
            }
            else if (bindParts[KW_BINDON_IDX$1]) {
                const identifier = bindParts[IDENT_KW_IDX$1];
                const keySpan = createKeySpan(srcSpan, bindParts[KW_BINDON_IDX$1], identifier);
                this.bindingParser.parsePropertyBinding(identifier, value, false, srcSpan, absoluteOffset, attribute.valueSpan, matchableAttributes, parsedProperties, keySpan);
                this.parseAssignmentEvent(identifier, value, srcSpan, attribute.valueSpan, matchableAttributes, boundEvents, keySpan);
            }
            else if (bindParts[KW_AT_IDX$1]) {
                const keySpan = createKeySpan(srcSpan, '', name);
                this.bindingParser.parseLiteralAttr(name, value, srcSpan, absoluteOffset, attribute.valueSpan, matchableAttributes, parsedProperties, keySpan);
            }
            return true;
        }
        // We didn't see a kw-prefixed property binding, but we have not yet checked
        // for the []/()/[()] syntax.
        let delims = null;
        if (name.startsWith(BINDING_DELIMS.BANANA_BOX.start)) {
            delims = BINDING_DELIMS.BANANA_BOX;
        }
        else if (name.startsWith(BINDING_DELIMS.PROPERTY.start)) {
            delims = BINDING_DELIMS.PROPERTY;
        }
        else if (name.startsWith(BINDING_DELIMS.EVENT.start)) {
            delims = BINDING_DELIMS.EVENT;
        }
        if (delims !== null &&
            // NOTE: older versions of the parser would match a start/end delimited
            // binding iff the property name was terminated by the ending delimiter
            // and the identifier in the binding was non-empty.
            // TODO(ayazhafiz): update this to handle malformed bindings.
            name.endsWith(delims.end) && name.length > delims.start.length + delims.end.length) {
            const identifier = name.substring(delims.start.length, name.length - delims.end.length);
            const keySpan = createKeySpan(srcSpan, delims.start, identifier);
            if (delims.start === BINDING_DELIMS.BANANA_BOX.start) {
                this.bindingParser.parsePropertyBinding(identifier, value, false, srcSpan, absoluteOffset, attribute.valueSpan, matchableAttributes, parsedProperties, keySpan);
                this.parseAssignmentEvent(identifier, value, srcSpan, attribute.valueSpan, matchableAttributes, boundEvents, keySpan);
            }
            else if (delims.start === BINDING_DELIMS.PROPERTY.start) {
                this.bindingParser.parsePropertyBinding(identifier, value, false, srcSpan, absoluteOffset, attribute.valueSpan, matchableAttributes, parsedProperties, keySpan);
            }
            else {
                const events = [];
                this.bindingParser.parseEvent(identifier, value, srcSpan, attribute.valueSpan || srcSpan, matchableAttributes, events, keySpan);
                addEvents(events, boundEvents);
            }
            return true;
        }
        // No explicit binding found.
        const keySpan = createKeySpan(srcSpan, '' /* prefix */, name);
        const hasBinding = this.bindingParser.parsePropertyInterpolation(name, value, srcSpan, attribute.valueSpan, matchableAttributes, parsedProperties, keySpan);
        return hasBinding;
    }
    _visitTextWithInterpolation(value, sourceSpan, i18n) {
        const valueNoNgsp = replaceNgsp(value);
        const expr = this.bindingParser.parseInterpolation(valueNoNgsp, sourceSpan);
        return expr ? new BoundText(expr, sourceSpan, i18n) : new Text(valueNoNgsp, sourceSpan);
    }
    parseVariable(identifier, value, sourceSpan, keySpan, valueSpan, variables) {
        if (identifier.indexOf('-') > -1) {
            this.reportError(`"-" is not allowed in variable names`, sourceSpan);
        }
        else if (identifier.length === 0) {
            this.reportError(`Variable does not have a name`, sourceSpan);
        }
        variables.push(new Variable(identifier, value, sourceSpan, keySpan, valueSpan));
    }
    parseReference(identifier, value, sourceSpan, keySpan, valueSpan, references) {
        if (identifier.indexOf('-') > -1) {
            this.reportError(`"-" is not allowed in reference names`, sourceSpan);
        }
        else if (identifier.length === 0) {
            this.reportError(`Reference does not have a name`, sourceSpan);
        }
        else if (references.some(reference => reference.name === identifier)) {
            this.reportError(`Reference "#${identifier}" is defined more than once`, sourceSpan);
        }
        references.push(new Reference(identifier, value, sourceSpan, keySpan, valueSpan));
    }
    parseAssignmentEvent(name, expression, sourceSpan, valueSpan, targetMatchableAttrs, boundEvents, keySpan) {
        const events = [];
        this.bindingParser.parseEvent(`${name}Change`, `${expression}=$event`, sourceSpan, valueSpan || sourceSpan, targetMatchableAttrs, events, keySpan);
        addEvents(events, boundEvents);
    }
    reportError(message, sourceSpan, level = ParseErrorLevel.ERROR) {
        this.errors.push(new ParseError(sourceSpan, message, level));
    }
}
class NonBindableVisitor$1 {
    visitElement(ast) {
        const preparsedElement = preparseElement(ast);
        if (preparsedElement.type === PreparsedElementType.SCRIPT ||
            preparsedElement.type === PreparsedElementType.STYLE ||
            preparsedElement.type === PreparsedElementType.STYLESHEET) {
            // Skipping <script> for security reasons
            // Skipping <style> and stylesheets as we already processed them
            // in the StyleCompiler
            return null;
        }
        const children = visitAll$1(this, ast.children, null);
        return new Element(ast.name, visitAll$1(this, ast.attrs), 
        /* inputs */ [], /* outputs */ [], children, /* references */ [], ast.sourceSpan, ast.startSourceSpan, ast.endSourceSpan);
    }
    visitComment(comment) {
        return null;
    }
    visitAttribute(attribute) {
        return new TextAttribute(attribute.name, attribute.value, attribute.sourceSpan, attribute.keySpan, attribute.valueSpan, attribute.i18n);
    }
    visitText(text) {
        return new Text(text.value, text.sourceSpan);
    }
    visitExpansion(expansion) {
        return null;
    }
    visitExpansionCase(expansionCase) {
        return null;
    }
}
const NON_BINDABLE_VISITOR$1 = new NonBindableVisitor$1();
function normalizeAttributeName(attrName) {
    return /^data-/i.test(attrName) ? attrName.substring(5) : attrName;
}
function addEvents(events, boundEvents) {
    boundEvents.push(...events.map(e => BoundEvent.fromParsedEvent(e)));
}
function isEmptyTextNode(node) {
    return node instanceof Text$3 && node.value.trim().length == 0;
}
function isCommentNode(node) {
    return node instanceof Comment$1;
}
function textContents(node) {
    if (node.children.length !== 1 || !(node.children[0] instanceof Text$3)) {
        return null;
    }
    else {
        return node.children[0].value;
    }
}

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
var TagType;
(function (TagType) {
    TagType[TagType["ELEMENT"] = 0] = "ELEMENT";
    TagType[TagType["TEMPLATE"] = 1] = "TEMPLATE";
})(TagType || (TagType = {}));
/**
 * Generates an object that is used as a shared state between parent and all child contexts.
 */
function setupRegistry() {
    return { getUniqueId: getSeqNumberGenerator(), icus: new Map() };
}
/**
 * I18nContext is a helper class which keeps track of all i18n-related aspects
 * (accumulates placeholders, bindings, etc) between i18nStart and i18nEnd instructions.
 *
 * When we enter a nested template, the top-level context is being passed down
 * to the nested component, which uses this context to generate a child instance
 * of I18nContext class (to handle nested template) and at the end, reconciles it back
 * with the parent context.
 *
 * @param index Instruction index of i18nStart, which initiates this context
 * @param ref Reference to a translation const that represents the content if thus context
 * @param level Nestng level defined for child contexts
 * @param templateIndex Instruction index of a template which this context belongs to
 * @param meta Meta information (id, meaning, description, etc) associated with this context
 */
class I18nContext {
    constructor(index, ref, level = 0, templateIndex = null, meta, registry) {
        this.index = index;
        this.ref = ref;
        this.level = level;
        this.templateIndex = templateIndex;
        this.meta = meta;
        this.registry = registry;
        this.bindings = new Set();
        this.placeholders = new Map();
        this.isEmitted = false;
        this._unresolvedCtxCount = 0;
        this._registry = registry || setupRegistry();
        this.id = this._registry.getUniqueId();
    }
    appendTag(type, node, index, closed) {
        if (node.isVoid && closed) {
            return; // ignore "close" for void tags
        }
        const ph = node.isVoid || !closed ? node.startName : node.closeName;
        const content = { type, index, ctx: this.id, isVoid: node.isVoid, closed };
        updatePlaceholderMap(this.placeholders, ph, content);
    }
    get icus() {
        return this._registry.icus;
    }
    get isRoot() {
        return this.level === 0;
    }
    get isResolved() {
        return this._unresolvedCtxCount === 0;
    }
    getSerializedPlaceholders() {
        const result = new Map();
        this.placeholders.forEach((values, key) => result.set(key, values.map(serializePlaceholderValue)));
        return result;
    }
    // public API to accumulate i18n-related content
    appendBinding(binding) {
        this.bindings.add(binding);
    }
    appendIcu(name, ref) {
        updatePlaceholderMap(this._registry.icus, name, ref);
    }
    appendBoundText(node) {
        const phs = assembleBoundTextPlaceholders(node, this.bindings.size, this.id);
        phs.forEach((values, key) => updatePlaceholderMap(this.placeholders, key, ...values));
    }
    appendTemplate(node, index) {
        // add open and close tags at the same time,
        // since we process nested templates separately
        this.appendTag(TagType.TEMPLATE, node, index, false);
        this.appendTag(TagType.TEMPLATE, node, index, true);
        this._unresolvedCtxCount++;
    }
    appendElement(node, index, closed) {
        this.appendTag(TagType.ELEMENT, node, index, closed);
    }
    appendProjection(node, index) {
        // Add open and close tags at the same time, since `<ng-content>` has no content,
        // so when we come across `<ng-content>` we can register both open and close tags.
        // Note: runtime i18n logic doesn't distinguish `<ng-content>` tag placeholders and
        // regular element tag placeholders, so we generate element placeholders for both types.
        this.appendTag(TagType.ELEMENT, node, index, false);
        this.appendTag(TagType.ELEMENT, node, index, true);
    }
    /**
     * Generates an instance of a child context based on the root one,
     * when we enter a nested template within I18n section.
     *
     * @param index Instruction index of corresponding i18nStart, which initiates this context
     * @param templateIndex Instruction index of a template which this context belongs to
     * @param meta Meta information (id, meaning, description, etc) associated with this context
     *
     * @returns I18nContext instance
     */
    forkChildContext(index, templateIndex, meta) {
        return new I18nContext(index, this.ref, this.level + 1, templateIndex, meta, this._registry);
    }
    /**
     * Reconciles child context into parent one once the end of the i18n block is reached (i18nEnd).
     *
     * @param context Child I18nContext instance to be reconciled with parent context.
     */
    reconcileChildContext(context) {
        // set the right context id for open and close
        // template tags, so we can use it as sub-block ids
        ['start', 'close'].forEach((op) => {
            const key = context.meta[`${op}Name`];
            const phs = this.placeholders.get(key) || [];
            const tag = phs.find(findTemplateFn(this.id, context.templateIndex));
            if (tag) {
                tag.ctx = context.id;
            }
        });
        // reconcile placeholders
        const childPhs = context.placeholders;
        childPhs.forEach((values, key) => {
            const phs = this.placeholders.get(key);
            if (!phs) {
                this.placeholders.set(key, values);
                return;
            }
            // try to find matching template...
            const tmplIdx = phs.findIndex(findTemplateFn(context.id, context.templateIndex));
            if (tmplIdx >= 0) {
                // ... if found - replace it with nested template content
                const isCloseTag = key.startsWith('CLOSE');
                const isTemplateTag = key.endsWith('NG-TEMPLATE');
                if (isTemplateTag) {
                    // current template's content is placed before or after
                    // parent template tag, depending on the open/close atrribute
                    phs.splice(tmplIdx + (isCloseTag ? 0 : 1), 0, ...values);
                }
                else {
                    const idx = isCloseTag ? values.length - 1 : 0;
                    values[idx].tmpl = phs[tmplIdx];
                    phs.splice(tmplIdx, 1, ...values);
                }
            }
            else {
                // ... otherwise just append content to placeholder value
                phs.push(...values);
            }
            this.placeholders.set(key, phs);
        });
        this._unresolvedCtxCount--;
    }
}
//
// Helper methods
//
function wrap(symbol, index, contextId, closed) {
    const state = closed ? '/' : '';
    return wrapI18nPlaceholder(`${state}${symbol}${index}`, contextId);
}
function wrapTag(symbol, { index, ctx, isVoid }, closed) {
    return isVoid ? wrap(symbol, index, ctx) + wrap(symbol, index, ctx, true) :
        wrap(symbol, index, ctx, closed);
}
function findTemplateFn(ctx, templateIndex) {
    return (token) => typeof token === 'object' && token.type === TagType.TEMPLATE &&
        token.index === templateIndex && token.ctx === ctx;
}
function serializePlaceholderValue(value) {
    const element = (data, closed) => wrapTag('#', data, closed);
    const template = (data, closed) => wrapTag('*', data, closed);
    const projection = (data, closed) => wrapTag('!', data, closed);
    switch (value.type) {
        case TagType.ELEMENT:
            // close element tag
            if (value.closed) {
                return element(value, true) + (value.tmpl ? template(value.tmpl, true) : '');
            }
            // open element tag that also initiates a template
            if (value.tmpl) {
                return template(value.tmpl) + element(value) +
                    (value.isVoid ? template(value.tmpl, true) : '');
            }
            return element(value);
        case TagType.TEMPLATE:
            return template(value, value.closed);
        default:
            return value;
    }
}

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
class IcuSerializerVisitor {
    visitText(text) {
        return text.value;
    }
    visitContainer(container) {
        return container.children.map(child => child.visit(this)).join('');
    }
    visitIcu(icu) {
        const strCases = Object.keys(icu.cases).map((k) => `${k} {${icu.cases[k].visit(this)}}`);
        const result = `{${icu.expressionPlaceholder}, ${icu.type}, ${strCases.join(' ')}}`;
        return result;
    }
    visitTagPlaceholder(ph) {
        return ph.isVoid ?
            this.formatPh(ph.startName) :
            `${this.formatPh(ph.startName)}${ph.children.map(child => child.visit(this)).join('')}${this.formatPh(ph.closeName)}`;
    }
    visitPlaceholder(ph) {
        return this.formatPh(ph.name);
    }
    visitIcuPlaceholder(ph, context) {
        return this.formatPh(ph.name);
    }
    formatPh(value) {
        return `{${formatI18nPlaceholderName(value, /* useCamelCase */ false)}}`;
    }
}
const serializer = new IcuSerializerVisitor();
function serializeIcuNode(icu) {
    return icu.visit(serializer);
}

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
const TAG_TO_PLACEHOLDER_NAMES = {
    'A': 'LINK',
    'B': 'BOLD_TEXT',
    'BR': 'LINE_BREAK',
    'EM': 'EMPHASISED_TEXT',
    'H1': 'HEADING_LEVEL1',
    'H2': 'HEADING_LEVEL2',
    'H3': 'HEADING_LEVEL3',
    'H4': 'HEADING_LEVEL4',
    'H5': 'HEADING_LEVEL5',
    'H6': 'HEADING_LEVEL6',
    'HR': 'HORIZONTAL_RULE',
    'I': 'ITALIC_TEXT',
    'LI': 'LIST_ITEM',
    'LINK': 'MEDIA_LINK',
    'OL': 'ORDERED_LIST',
    'P': 'PARAGRAPH',
    'Q': 'QUOTATION',
    'S': 'STRIKETHROUGH_TEXT',
    'SMALL': 'SMALL_TEXT',
    'SUB': 'SUBSTRIPT',
    'SUP': 'SUPERSCRIPT',
    'TBODY': 'TABLE_BODY',
    'TD': 'TABLE_CELL',
    'TFOOT': 'TABLE_FOOTER',
    'TH': 'TABLE_HEADER_CELL',
    'THEAD': 'TABLE_HEADER',
    'TR': 'TABLE_ROW',
    'TT': 'MONOSPACED_TEXT',
    'U': 'UNDERLINED_TEXT',
    'UL': 'UNORDERED_LIST',
};
/**
 * Creates unique names for placeholder with different content.
 *
 * Returns the same placeholder name when the content is identical.
 */
class PlaceholderRegistry {
    constructor() {
        // Count the occurrence of the base name top generate a unique name
        this._placeHolderNameCounts = {};
        // Maps signature to placeholder names
        this._signatureToName = {};
    }
    getStartTagPlaceholderName(tag, attrs, isVoid) {
        const signature = this._hashTag(tag, attrs, isVoid);
        if (this._signatureToName[signature]) {
            return this._signatureToName[signature];
        }
        const upperTag = tag.toUpperCase();
        const baseName = TAG_TO_PLACEHOLDER_NAMES[upperTag] || `TAG_${upperTag}`;
        const name = this._generateUniqueName(isVoid ? baseName : `START_${baseName}`);
        this._signatureToName[signature] = name;
        return name;
    }
    getCloseTagPlaceholderName(tag) {
        const signature = this._hashClosingTag(tag);
        if (this._signatureToName[signature]) {
            return this._signatureToName[signature];
        }
        const upperTag = tag.toUpperCase();
        const baseName = TAG_TO_PLACEHOLDER_NAMES[upperTag] || `TAG_${upperTag}`;
        const name = this._generateUniqueName(`CLOSE_${baseName}`);
        this._signatureToName[signature] = name;
        return name;
    }
    getPlaceholderName(name, content) {
        const upperName = name.toUpperCase();
        const signature = `PH: ${upperName}=${content}`;
        if (this._signatureToName[signature]) {
            return this._signatureToName[signature];
        }
        const uniqueName = this._generateUniqueName(upperName);
        this._signatureToName[signature] = uniqueName;
        return uniqueName;
    }
    getUniquePlaceholder(name) {
        return this._generateUniqueName(name.toUpperCase());
    }
    // Generate a hash for a tag - does not take attribute order into account
    _hashTag(tag, attrs, isVoid) {
        const start = `<${tag}`;
        const strAttrs = Object.keys(attrs).sort().map((name) => ` ${name}=${attrs[name]}`).join('');
        const end = isVoid ? '/>' : `></${tag}>`;
        return start + strAttrs + end;
    }
    _hashClosingTag(tag) {
        return this._hashTag(`/${tag}`, {}, false);
    }
    _generateUniqueName(base) {
        const seen = this._placeHolderNameCounts.hasOwnProperty(base);
        if (!seen) {
            this._placeHolderNameCounts[base] = 1;
            return base;
        }
        const id = this._placeHolderNameCounts[base];
        this._placeHolderNameCounts[base] = id + 1;
        return `${base}_${id}`;
    }
}

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
const _expParser = new Parser$1(new Lexer());
/**
 * Returns a function converting html nodes to an i18n Message given an interpolationConfig
 */
function createI18nMessageFactory(interpolationConfig) {
    const visitor = new _I18nVisitor(_expParser, interpolationConfig);
    return (nodes, meaning, description, customId, visitNodeFn) => visitor.toI18nMessage(nodes, meaning, description, customId, visitNodeFn);
}
function noopVisitNodeFn(_html, i18n) {
    return i18n;
}
class _I18nVisitor {
    constructor(_expressionParser, _interpolationConfig) {
        this._expressionParser = _expressionParser;
        this._interpolationConfig = _interpolationConfig;
    }
    toI18nMessage(nodes, meaning = '', description = '', customId = '', visitNodeFn) {
        const context = {
            isIcu: nodes.length == 1 && nodes[0] instanceof Expansion,
            icuDepth: 0,
            placeholderRegistry: new PlaceholderRegistry(),
            placeholderToContent: {},
            placeholderToMessage: {},
            visitNodeFn: visitNodeFn || noopVisitNodeFn,
        };
        const i18nodes = visitAll$1(this, nodes, context);
        return new Message(i18nodes, context.placeholderToContent, context.placeholderToMessage, meaning, description, customId);
    }
    visitElement(el, context) {
        var _a;
        const children = visitAll$1(this, el.children, context);
        const attrs = {};
        el.attrs.forEach(attr => {
            // Do not visit the attributes, translatable ones are top-level ASTs
            attrs[attr.name] = attr.value;
        });
        const isVoid = getHtmlTagDefinition(el.name).isVoid;
        const startPhName = context.placeholderRegistry.getStartTagPlaceholderName(el.name, attrs, isVoid);
        context.placeholderToContent[startPhName] = {
            text: el.startSourceSpan.toString(),
            sourceSpan: el.startSourceSpan,
        };
        let closePhName = '';
        if (!isVoid) {
            closePhName = context.placeholderRegistry.getCloseTagPlaceholderName(el.name);
            context.placeholderToContent[closePhName] = {
                text: `</${el.name}>`,
                sourceSpan: (_a = el.endSourceSpan) !== null && _a !== void 0 ? _a : el.sourceSpan,
            };
        }
        const node = new TagPlaceholder(el.name, attrs, startPhName, closePhName, children, isVoid, el.sourceSpan, el.startSourceSpan, el.endSourceSpan);
        return context.visitNodeFn(el, node);
    }
    visitAttribute(attribute, context) {
        const node = this._visitTextWithInterpolation(attribute.value, attribute.valueSpan || attribute.sourceSpan, context, attribute.i18n);
        return context.visitNodeFn(attribute, node);
    }
    visitText(text, context) {
        const node = this._visitTextWithInterpolation(text.value, text.sourceSpan, context, text.i18n);
        return context.visitNodeFn(text, node);
    }
    visitComment(comment, context) {
        return null;
    }
    visitExpansion(icu, context) {
        context.icuDepth++;
        const i18nIcuCases = {};
        const i18nIcu = new Icu$1(icu.switchValue, icu.type, i18nIcuCases, icu.sourceSpan);
        icu.cases.forEach((caze) => {
            i18nIcuCases[caze.value] = new Container(caze.expression.map((node) => node.visit(this, context)), caze.expSourceSpan);
        });
        context.icuDepth--;
        if (context.isIcu || context.icuDepth > 0) {
            // Returns an ICU node when:
            // - the message (vs a part of the message) is an ICU message, or
            // - the ICU message is nested.
            const expPh = context.placeholderRegistry.getUniquePlaceholder(`VAR_${icu.type}`);
            i18nIcu.expressionPlaceholder = expPh;
            context.placeholderToContent[expPh] = {
                text: icu.switchValue,
                sourceSpan: icu.switchValueSourceSpan,
            };
            return context.visitNodeFn(icu, i18nIcu);
        }
        // Else returns a placeholder
        // ICU placeholders should not be replaced with their original content but with the their
        // translations.
        // TODO(vicb): add a html.Node -> i18n.Message cache to avoid having to re-create the msg
        const phName = context.placeholderRegistry.getPlaceholderName('ICU', icu.sourceSpan.toString());
        context.placeholderToMessage[phName] = this.toI18nMessage([icu], '', '', '', undefined);
        const node = new IcuPlaceholder(i18nIcu, phName, icu.sourceSpan);
        return context.visitNodeFn(icu, node);
    }
    visitExpansionCase(_icuCase, _context) {
        throw new Error('Unreachable code');
    }
    /**
     * Split the, potentially interpolated, text up into text and placeholder pieces.
     *
     * @param text The potentially interpolated string to be split.
     * @param sourceSpan The span of the whole of the `text` string.
     * @param context The current context of the visitor, used to compute and store placeholders.
     * @param previousI18n Any i18n metadata associated with this `text` from a previous pass.
     */
    _visitTextWithInterpolation(text, sourceSpan, context, previousI18n) {
        const { strings, expressions } = this._expressionParser.splitInterpolation(text, sourceSpan.start.toString(), this._interpolationConfig);
        // No expressions, return a single text.
        if (expressions.length === 0) {
            return new Text$1(text, sourceSpan);
        }
        // Return a sequence of `Text` and `Placeholder` nodes grouped in a `Container`.
        const nodes = [];
        for (let i = 0; i < strings.length - 1; i++) {
            this._addText(nodes, strings[i], sourceSpan);
            this._addPlaceholder(nodes, context, expressions[i], sourceSpan);
        }
        // The last index contains no expression
        this._addText(nodes, strings[strings.length - 1], sourceSpan);
        // Whitespace removal may have invalidated the interpolation source-spans.
        reusePreviousSourceSpans(nodes, previousI18n);
        return new Container(nodes, sourceSpan);
    }
    /**
     * Create a new `Text` node from the `textPiece` and add it to the `nodes` collection.
     *
     * @param nodes The nodes to which the created `Text` node should be added.
     * @param textPiece The text and relative span information for this `Text` node.
     * @param interpolationSpan The span of the whole interpolated text.
     */
    _addText(nodes, textPiece, interpolationSpan) {
        if (textPiece.text.length > 0) {
            // No need to add empty strings
            const stringSpan = getOffsetSourceSpan(interpolationSpan, textPiece);
            nodes.push(new Text$1(textPiece.text, stringSpan));
        }
    }
    /**
     * Create a new `Placeholder` node from the `expression` and add it to the `nodes` collection.
     *
     * @param nodes The nodes to which the created `Text` node should be added.
     * @param context The current context of the visitor, used to compute and store placeholders.
     * @param expression The expression text and relative span information for this `Placeholder`
     *     node.
     * @param interpolationSpan The span of the whole interpolated text.
     */
    _addPlaceholder(nodes, context, expression, interpolationSpan) {
        const sourceSpan = getOffsetSourceSpan(interpolationSpan, expression);
        const baseName = extractPlaceholderName(expression.text) || 'INTERPOLATION';
        const phName = context.placeholderRegistry.getPlaceholderName(baseName, expression.text);
        const text = this._interpolationConfig.start + expression.text + this._interpolationConfig.end;
        context.placeholderToContent[phName] = { text, sourceSpan };
        nodes.push(new Placeholder(expression.text, phName, sourceSpan));
    }
}
/**
 * Re-use the source-spans from `previousI18n` metadata for the `nodes`.
 *
 * Whitespace removal can invalidate the source-spans of interpolation nodes, so we
 * reuse the source-span stored from a previous pass before the whitespace was removed.
 *
 * @param nodes The `Text` and `Placeholder` nodes to be processed.
 * @param previousI18n Any i18n metadata for these `nodes` stored from a previous pass.
 */
function reusePreviousSourceSpans(nodes, previousI18n) {
    if (previousI18n instanceof Message) {
        // The `previousI18n` is an i18n `Message`, so we are processing an `Attribute` with i18n
        // metadata. The `Message` should consist only of a single `Container` that contains the
        // parts (`Text` and `Placeholder`) to process.
        assertSingleContainerMessage(previousI18n);
        previousI18n = previousI18n.nodes[0];
    }
    if (previousI18n instanceof Container) {
        // The `previousI18n` is a `Container`, which means that this is a second i18n extraction pass
        // after whitespace has been removed from the AST ndoes.
        assertEquivalentNodes(previousI18n.children, nodes);
        // Reuse the source-spans from the first pass.
        for (let i = 0; i < nodes.length; i++) {
            nodes[i].sourceSpan = previousI18n.children[i].sourceSpan;
        }
    }
}
/**
 * Asserts that the `message` contains exactly one `Container` node.
 */
function assertSingleContainerMessage(message) {
    const nodes = message.nodes;
    if (nodes.length !== 1 || !(nodes[0] instanceof Container)) {
        throw new Error('Unexpected previous i18n message - expected it to consist of only a single `Container` node.');
    }
}
/**
 * Asserts that the `previousNodes` and `node` collections have the same number of elements and
 * corresponding elements have the same node type.
 */
function assertEquivalentNodes(previousNodes, nodes) {
    if (previousNodes.length !== nodes.length) {
        throw new Error('The number of i18n message children changed between first and second pass.');
    }
    if (previousNodes.some((node, i) => nodes[i].constructor !== node.constructor)) {
        throw new Error('The types of the i18n message children changed between first and second pass.');
    }
}
/**
 * Create a new `ParseSourceSpan` from the `sourceSpan`, offset by the `start` and `end` values.
 */
function getOffsetSourceSpan(sourceSpan, { start, end }) {
    return new ParseSourceSpan(sourceSpan.fullStart.moveBy(start), sourceSpan.fullStart.moveBy(end));
}
const _CUSTOM_PH_EXP = /\/\/[\s\S]*i18n[\s\S]*\([\s\S]*ph[\s\S]*=[\s\S]*("|')([\s\S]*?)\1[\s\S]*\)/g;
function extractPlaceholderName(input) {
    return input.split(_CUSTOM_PH_EXP)[2];
}

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
/**
 * An i18n error.
 */
class I18nError extends ParseError {
    constructor(span, msg) {
        super(span, msg);
    }
}

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
const setI18nRefs = (htmlNode, i18nNode) => {
    if (htmlNode instanceof NodeWithI18n) {
        if (i18nNode instanceof IcuPlaceholder && htmlNode.i18n instanceof Message) {
            // This html node represents an ICU but this is a second processing pass, and the legacy id
            // was computed in the previous pass and stored in the `i18n` property as a message.
            // We are about to wipe out that property so capture the previous message to be reused when
            // generating the message for this ICU later. See `_generateI18nMessage()`.
            i18nNode.previousMessage = htmlNode.i18n;
        }
        htmlNode.i18n = i18nNode;
    }
    return i18nNode;
};
/**
 * This visitor walks over HTML parse tree and converts information stored in
 * i18n-related attributes ("i18n" and "i18n-*") into i18n meta object that is
 * stored with other element's and attribute's information.
 */
class I18nMetaVisitor {
    constructor(interpolationConfig = DEFAULT_INTERPOLATION_CONFIG, keepI18nAttrs = false, enableI18nLegacyMessageIdFormat = false) {
        this.interpolationConfig = interpolationConfig;
        this.keepI18nAttrs = keepI18nAttrs;
        this.enableI18nLegacyMessageIdFormat = enableI18nLegacyMessageIdFormat;
        // whether visited nodes contain i18n information
        this.hasI18nMeta = false;
        this._errors = [];
        // i18n message generation factory
        this._createI18nMessage = createI18nMessageFactory(this.interpolationConfig);
    }
    _generateI18nMessage(nodes, meta = '', visitNodeFn) {
        const { meaning, description, customId } = this._parseMetadata(meta);
        const message = this._createI18nMessage(nodes, meaning, description, customId, visitNodeFn);
        this._setMessageId(message, meta);
        this._setLegacyIds(message, meta);
        return message;
    }
    visitAllWithErrors(nodes) {
        const result = nodes.map(node => node.visit(this, null));
        return new ParseTreeResult(result, this._errors);
    }
    visitElement(element) {
        if (hasI18nAttrs(element)) {
            this.hasI18nMeta = true;
            const attrs = [];
            const attrsMeta = {};
            for (const attr of element.attrs) {
                if (attr.name === I18N_ATTR) {
                    // root 'i18n' node attribute
                    const i18n = element.i18n || attr.value;
                    const message = this._generateI18nMessage(element.children, i18n, setI18nRefs);
                    // do not assign empty i18n meta
                    if (message.nodes.length) {
                        element.i18n = message;
                    }
                }
                else if (attr.name.startsWith(I18N_ATTR_PREFIX)) {
                    // 'i18n-*' attributes
                    const name = attr.name.slice(I18N_ATTR_PREFIX.length);
                    if (isTrustedTypesSink(element.name, name)) {
                        this._reportError(attr, `Translating attribute '${name}' is disallowed for security reasons.`);
                    }
                    else {
                        attrsMeta[name] = attr.value;
                    }
                }
                else {
                    // non-i18n attributes
                    attrs.push(attr);
                }
            }
            // set i18n meta for attributes
            if (Object.keys(attrsMeta).length) {
                for (const attr of attrs) {
                    const meta = attrsMeta[attr.name];
                    // do not create translation for empty attributes
                    if (meta !== undefined && attr.value) {
                        attr.i18n = this._generateI18nMessage([attr], attr.i18n || meta);
                    }
                }
            }
            if (!this.keepI18nAttrs) {
                // update element's attributes,
                // keeping only non-i18n related ones
                element.attrs = attrs;
            }
        }
        visitAll$1(this, element.children, element.i18n);
        return element;
    }
    visitExpansion(expansion, currentMessage) {
        let message;
        const meta = expansion.i18n;
        this.hasI18nMeta = true;
        if (meta instanceof IcuPlaceholder) {
            // set ICU placeholder name (e.g. "ICU_1"),
            // generated while processing root element contents,
            // so we can reference it when we output translation
            const name = meta.name;
            message = this._generateI18nMessage([expansion], meta);
            const icu = icuFromI18nMessage(message);
            icu.name = name;
        }
        else {
            // ICU is a top level message, try to use metadata from container element if provided via
            // `context` argument. Note: context may not be available for standalone ICUs (without
            // wrapping element), so fallback to ICU metadata in this case.
            message = this._generateI18nMessage([expansion], currentMessage || meta);
        }
        expansion.i18n = message;
        return expansion;
    }
    visitText(text) {
        return text;
    }
    visitAttribute(attribute) {
        return attribute;
    }
    visitComment(comment) {
        return comment;
    }
    visitExpansionCase(expansionCase) {
        return expansionCase;
    }
    /**
     * Parse the general form `meta` passed into extract the explicit metadata needed to create a
     * `Message`.
     *
     * There are three possibilities for the `meta` variable
     * 1) a string from an `i18n` template attribute: parse it to extract the metadata values.
     * 2) a `Message` from a previous processing pass: reuse the metadata values in the message.
     * 4) other: ignore this and just process the message metadata as normal
     *
     * @param meta the bucket that holds information about the message
     * @returns the parsed metadata.
     */
    _parseMetadata(meta) {
        return typeof meta === 'string' ? parseI18nMeta(meta) :
            meta instanceof Message ? meta : {};
    }
    /**
     * Generate (or restore) message id if not specified already.
     */
    _setMessageId(message, meta) {
        if (!message.id) {
            message.id = meta instanceof Message && meta.id || decimalDigest(message);
        }
    }
    /**
     * Update the `message` with a `legacyId` if necessary.
     *
     * @param message the message whose legacy id should be set
     * @param meta information about the message being processed
     */
    _setLegacyIds(message, meta) {
        if (this.enableI18nLegacyMessageIdFormat) {
            message.legacyIds = [computeDigest(message), computeDecimalDigest(message)];
        }
        else if (typeof meta !== 'string') {
            // This occurs if we are doing the 2nd pass after whitespace removal (see `parseTemplate()` in
            // `packages/compiler/src/render3/view/template.ts`).
            // In that case we want to reuse the legacy message generated in the 1st pass (see
            // `setI18nRefs()`).
            const previousMessage = meta instanceof Message ?
                meta :
                meta instanceof IcuPlaceholder ? meta.previousMessage : undefined;
            message.legacyIds = previousMessage ? previousMessage.legacyIds : [];
        }
    }
    _reportError(node, msg) {
        this._errors.push(new I18nError(node.sourceSpan, msg));
    }
}
/** I18n separators for metadata **/
const I18N_MEANING_SEPARATOR = '|';
const I18N_ID_SEPARATOR = '@@';
/**
 * Parses i18n metas like:
 *  - "@@id",
 *  - "description[@@id]",
 *  - "meaning|description[@@id]"
 * and returns an object with parsed output.
 *
 * @param meta String that represents i18n meta
 * @returns Object with id, meaning and description fields
 */
function parseI18nMeta(meta = '') {
    let customId;
    let meaning;
    let description;
    meta = meta.trim();
    if (meta) {
        const idIndex = meta.indexOf(I18N_ID_SEPARATOR);
        const descIndex = meta.indexOf(I18N_MEANING_SEPARATOR);
        let meaningAndDesc;
        [meaningAndDesc, customId] =
            (idIndex > -1) ? [meta.slice(0, idIndex), meta.slice(idIndex + 2)] : [meta, ''];
        [meaning, description] = (descIndex > -1) ?
            [meaningAndDesc.slice(0, descIndex), meaningAndDesc.slice(descIndex + 1)] :
            ['', meaningAndDesc];
    }
    return { customId, meaning, description };
}
// Converts i18n meta information for a message (id, description, meaning)
// to a JsDoc statement formatted as expected by the Closure compiler.
function i18nMetaToJSDoc(meta) {
    const tags = [];
    if (meta.description) {
        tags.push({ tagName: "desc" /* Desc */, text: meta.description });
    }
    if (meta.meaning) {
        tags.push({ tagName: "meaning" /* Meaning */, text: meta.meaning });
    }
    return tags.length == 0 ? null : jsDocComment(tags);
}

/** Closure uses `goog.getMsg(message)` to lookup translations */
const GOOG_GET_MSG = 'goog.getMsg';
function createGoogleGetMsgStatements(variable$1, message, closureVar, params) {
    const messageString = serializeI18nMessageForGetMsg(message);
    const args = [literal(messageString)];
    if (Object.keys(params).length) {
        args.push(mapLiteral(params, true));
    }
    // /**
    //  * @desc description of message
    //  * @meaning meaning of message
    //  */
    // const MSG_... = goog.getMsg(..);
    // I18N_X = MSG_...;
    const googGetMsgStmt = closureVar.set(variable(GOOG_GET_MSG).callFn(args)).toConstDecl();
    const metaComment = i18nMetaToJSDoc(message);
    if (metaComment !== null) {
        googGetMsgStmt.addLeadingComment(metaComment);
    }
    const i18nAssignmentStmt = new ExpressionStatement(variable$1.set(closureVar));
    return [googGetMsgStmt, i18nAssignmentStmt];
}
/**
 * This visitor walks over i18n tree and generates its string representation, including ICUs and
 * placeholders in `{$placeholder}` (for plain messages) or `{PLACEHOLDER}` (inside ICUs) format.
 */
class GetMsgSerializerVisitor {
    formatPh(value) {
        return `{$${formatI18nPlaceholderName(value)}}`;
    }
    visitText(text) {
        return text.value;
    }
    visitContainer(container) {
        return container.children.map(child => child.visit(this)).join('');
    }
    visitIcu(icu) {
        return serializeIcuNode(icu);
    }
    visitTagPlaceholder(ph) {
        return ph.isVoid ?
            this.formatPh(ph.startName) :
            `${this.formatPh(ph.startName)}${ph.children.map(child => child.visit(this)).join('')}${this.formatPh(ph.closeName)}`;
    }
    visitPlaceholder(ph) {
        return this.formatPh(ph.name);
    }
    visitIcuPlaceholder(ph, context) {
        return this.formatPh(ph.name);
    }
}
const serializerVisitor$1 = new GetMsgSerializerVisitor();
function serializeI18nMessageForGetMsg(message) {
    return message.nodes.map(node => node.visit(serializerVisitor$1, null)).join('');
}

function createLocalizeStatements(variable, message, params) {
    const { messageParts, placeHolders } = serializeI18nMessageForLocalize(message);
    const sourceSpan = getSourceSpan(message);
    const expressions = placeHolders.map(ph => params[ph.text]);
    const localizedString$1 = localizedString(message, messageParts, placeHolders, expressions, sourceSpan);
    const variableInitialization = variable.set(localizedString$1);
    return [new ExpressionStatement(variableInitialization)];
}
/**
 * This visitor walks over an i18n tree, capturing literal strings and placeholders.
 *
 * The result can be used for generating the `$localize` tagged template literals.
 */
class LocalizeSerializerVisitor {
    visitText(text, context) {
        if (context[context.length - 1] instanceof LiteralPiece) {
            // Two literal pieces in a row means that there was some comment node in-between.
            context[context.length - 1].text += text.value;
        }
        else {
            context.push(new LiteralPiece(text.value, text.sourceSpan));
        }
    }
    visitContainer(container, context) {
        container.children.forEach(child => child.visit(this, context));
    }
    visitIcu(icu, context) {
        context.push(new LiteralPiece(serializeIcuNode(icu), icu.sourceSpan));
    }
    visitTagPlaceholder(ph, context) {
        var _a, _b;
        context.push(this.createPlaceholderPiece(ph.startName, (_a = ph.startSourceSpan) !== null && _a !== void 0 ? _a : ph.sourceSpan));
        if (!ph.isVoid) {
            ph.children.forEach(child => child.visit(this, context));
            context.push(this.createPlaceholderPiece(ph.closeName, (_b = ph.endSourceSpan) !== null && _b !== void 0 ? _b : ph.sourceSpan));
        }
    }
    visitPlaceholder(ph, context) {
        context.push(this.createPlaceholderPiece(ph.name, ph.sourceSpan));
    }
    visitIcuPlaceholder(ph, context) {
        context.push(this.createPlaceholderPiece(ph.name, ph.sourceSpan));
    }
    createPlaceholderPiece(name, sourceSpan) {
        return new PlaceholderPiece(formatI18nPlaceholderName(name, /* useCamelCase */ false), sourceSpan);
    }
}
const serializerVisitor$2 = new LocalizeSerializerVisitor();
/**
 * Serialize an i18n message into two arrays: messageParts and placeholders.
 *
 * These arrays will be used to generate `$localize` tagged template literals.
 *
 * @param message The message to be serialized.
 * @returns an object containing the messageParts and placeholders.
 */
function serializeI18nMessageForLocalize(message) {
    const pieces = [];
    message.nodes.forEach(node => node.visit(serializerVisitor$2, pieces));
    return processMessagePieces(pieces);
}
function getSourceSpan(message) {
    const startNode = message.nodes[0];
    const endNode = message.nodes[message.nodes.length - 1];
    return new ParseSourceSpan(startNode.sourceSpan.start, endNode.sourceSpan.end, startNode.sourceSpan.fullStart, startNode.sourceSpan.details);
}
/**
 * Convert the list of serialized MessagePieces into two arrays.
 *
 * One contains the literal string pieces and the other the placeholders that will be replaced by
 * expressions when rendering `$localize` tagged template literals.
 *
 * @param pieces The pieces to process.
 * @returns an object containing the messageParts and placeholders.
 */
function processMessagePieces(pieces) {
    const messageParts = [];
    const placeHolders = [];
    if (pieces[0] instanceof PlaceholderPiece) {
        // The first piece was a placeholder so we need to add an initial empty message part.
        messageParts.push(createEmptyMessagePart(pieces[0].sourceSpan.start));
    }
    for (let i = 0; i < pieces.length; i++) {
        const part = pieces[i];
        if (part instanceof LiteralPiece) {
            messageParts.push(part);
        }
        else {
            placeHolders.push(part);
            if (pieces[i - 1] instanceof PlaceholderPiece) {
                // There were two placeholders in a row, so we need to add an empty message part.
                messageParts.push(createEmptyMessagePart(pieces[i - 1].sourceSpan.end));
            }
        }
    }
    if (pieces[pieces.length - 1] instanceof PlaceholderPiece) {
        // The last piece was a placeholder so we need to add a final empty message part.
        messageParts.push(createEmptyMessagePart(pieces[pieces.length - 1].sourceSpan.end));
    }
    return { messageParts, placeHolders };
}
function createEmptyMessagePart(location) {
    return new LiteralPiece('', new ParseSourceSpan(location, location));
}

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
// Selector attribute name of `<ng-content>`
const NG_CONTENT_SELECT_ATTR$1 = 'select';
// Attribute name of `ngProjectAs`.
const NG_PROJECT_AS_ATTR_NAME = 'ngProjectAs';
// Global symbols available only inside event bindings.
const EVENT_BINDING_SCOPE_GLOBALS = new Set(['$event']);
// List of supported global targets for event listeners
const GLOBAL_TARGET_RESOLVERS = new Map([['window', Identifiers.resolveWindow], ['document', Identifiers.resolveDocument], ['body', Identifiers.resolveBody]]);
const LEADING_TRIVIA_CHARS = [' ', '\n', '\r', '\t'];
//  if (rf & flags) { .. }
function renderFlagCheckIfStmt(flags, statements) {
    return ifStmt(variable(RENDER_FLAGS).bitwiseAnd(literal(flags), null, false), statements);
}
function prepareEventListenerParameters(eventAst, handlerName = null, scope = null) {
    const { type, name, target, phase, handler } = eventAst;
    if (target && !GLOBAL_TARGET_RESOLVERS.has(target)) {
        throw new Error(`Unexpected global target '${target}' defined for '${name}' event.
        Supported list of global targets: ${Array.from(GLOBAL_TARGET_RESOLVERS.keys())}.`);
    }
    const eventArgumentName = '$event';
    const implicitReceiverAccesses = new Set();
    const implicitReceiverExpr = (scope === null || scope.bindingLevel === 0) ?
        variable(CONTEXT_NAME) :
        scope.getOrCreateSharedContextVar(0);
    const bindingExpr = convertActionBinding(scope, implicitReceiverExpr, handler, 'b', () => error('Unexpected interpolation'), eventAst.handlerSpan, implicitReceiverAccesses, EVENT_BINDING_SCOPE_GLOBALS);
    const statements = [];
    if (scope) {
        // `variableDeclarations` needs to run first, because
        // `restoreViewStatement` depends on the result.
        statements.push(...scope.variableDeclarations());
        statements.unshift(...scope.restoreViewStatement());
    }
    statements.push(...bindingExpr.render3Stmts);
    const eventName = type === 1 /* Animation */ ? prepareSyntheticListenerName(name, phase) : name;
    const fnName = handlerName && sanitizeIdentifier(handlerName);
    const fnArgs = [];
    if (implicitReceiverAccesses.has(eventArgumentName)) {
        fnArgs.push(new FnParam(eventArgumentName, DYNAMIC_TYPE));
    }
    const handlerFn = fn(fnArgs, statements, INFERRED_TYPE, null, fnName);
    const params = [literal(eventName), handlerFn];
    if (target) {
        params.push(literal(false), // `useCapture` flag, defaults to `false`
        importExpr(GLOBAL_TARGET_RESOLVERS.get(target)));
    }
    return params;
}
function createComponentDefConsts() {
    return {
        prepareStatements: [],
        constExpressions: [],
        i18nVarRefsCache: new Map(),
    };
}
class TemplateDefinitionBuilder {
    constructor(constantPool, parentBindingScope, level = 0, contextName, i18nContext, templateIndex, templateName, directiveMatcher, directives, pipeTypeByName, pipes, _namespace, relativeContextFilePath, i18nUseExternalIds, _constants = createComponentDefConsts()) {
        this.constantPool = constantPool;
        this.level = level;
        this.contextName = contextName;
        this.i18nContext = i18nContext;
        this.templateIndex = templateIndex;
        this.templateName = templateName;
        this.directiveMatcher = directiveMatcher;
        this.directives = directives;
        this.pipeTypeByName = pipeTypeByName;
        this.pipes = pipes;
        this._namespace = _namespace;
        this.i18nUseExternalIds = i18nUseExternalIds;
        this._constants = _constants;
        this._dataIndex = 0;
        this._bindingContext = 0;
        this._prefixCode = [];
        /**
         * List of callbacks to generate creation mode instructions. We store them here as we process
         * the template so bindings in listeners are resolved only once all nodes have been visited.
         * This ensures all local refs and context variables are available for matching.
         */
        this._creationCodeFns = [];
        /**
         * List of callbacks to generate update mode instructions. We store them here as we process
         * the template so bindings are resolved only once all nodes have been visited. This ensures
         * all local refs and context variables are available for matching.
         */
        this._updateCodeFns = [];
        /** Index of the currently-selected node. */
        this._currentIndex = 0;
        /** Temporary variable declarations generated from visiting pipes, literals, etc. */
        this._tempVariables = [];
        /**
         * List of callbacks to build nested templates. Nested templates must not be visited until
         * after the parent template has finished visiting all of its nodes. This ensures that all
         * local ref bindings in nested templates are able to find local ref values if the refs
         * are defined after the template declaration.
         */
        this._nestedTemplateFns = [];
        this._unsupported = unsupported;
        // i18n context local to this template
        this.i18n = null;
        // Number of slots to reserve for pureFunctions
        this._pureFunctionSlots = 0;
        // Number of binding slots
        this._bindingSlots = 0;
        // Projection slots found in the template. Projection slots can distribute projected
        // nodes based on a selector, or can just use the wildcard selector to match
        // all nodes which aren't matching any selector.
        this._ngContentReservedSlots = [];
        // Number of non-default selectors found in all parent templates of this template. We need to
        // track it to properly adjust projection slot index in the `projection` instruction.
        this._ngContentSelectorsOffset = 0;
        // Expression that should be used as implicit receiver when converting template
        // expressions to output AST.
        this._implicitReceiverExpr = null;
        // These should be handled in the template or element directly.
        this.visitReference = invalid$1;
        this.visitVariable = invalid$1;
        this.visitTextAttribute = invalid$1;
        this.visitBoundAttribute = invalid$1;
        this.visitBoundEvent = invalid$1;
        this._bindingScope = parentBindingScope.nestedScope(level);
        // Turn the relative context file path into an identifier by replacing non-alphanumeric
        // characters with underscores.
        this.fileBasedI18nSuffix = relativeContextFilePath.replace(/[^A-Za-z0-9]/g, '_') + '_';
        this._valueConverter = new ValueConverter(constantPool, () => this.allocateDataSlot(), (numSlots) => this.allocatePureFunctionSlots(numSlots), (name, localName, slot, value) => {
            const pipeType = pipeTypeByName.get(name);
            if (pipeType) {
                this.pipes.add(pipeType);
            }
            this._bindingScope.set(this.level, localName, value);
            this.creationInstruction(null, Identifiers.pipe, [literal(slot), literal(name)]);
        });
    }
    buildTemplateFunction(nodes, variables, ngContentSelectorsOffset = 0, i18n) {
        this._ngContentSelectorsOffset = ngContentSelectorsOffset;
        if (this._namespace !== Identifiers.namespaceHTML) {
            this.creationInstruction(null, this._namespace);
        }
        // Create variable bindings
        variables.forEach(v => this.registerContextVariables(v));
        // Initiate i18n context in case:
        // - this template has parent i18n context
        // - or the template has i18n meta associated with it,
        //   but it's not initiated by the Element (e.g. <ng-template i18n>)
        const initI18nContext = this.i18nContext ||
            (isI18nRootNode(i18n) && !isSingleI18nIcu(i18n) &&
                !(isSingleElementTemplate(nodes) && nodes[0].i18n === i18n));
        const selfClosingI18nInstruction = hasTextChildrenOnly(nodes);
        if (initI18nContext) {
            this.i18nStart(null, i18n, selfClosingI18nInstruction);
        }
        // This is the initial pass through the nodes of this template. In this pass, we
        // queue all creation mode and update mode instructions for generation in the second
        // pass. It's necessary to separate the passes to ensure local refs are defined before
        // resolving bindings. We also count bindings in this pass as we walk bound expressions.
        visitAll(this, nodes);
        // Add total binding count to pure function count so pure function instructions are
        // generated with the correct slot offset when update instructions are processed.
        this._pureFunctionSlots += this._bindingSlots;
        // Pipes are walked in the first pass (to enqueue `pipe()` creation instructions and
        // `pipeBind` update instructions), so we have to update the slot offsets manually
        // to account for bindings.
        this._valueConverter.updatePipeSlotOffsets(this._bindingSlots);
        // Nested templates must be processed before creation instructions so template()
        // instructions can be generated with the correct internal const count.
        this._nestedTemplateFns.forEach(buildTemplateFn => buildTemplateFn());
        // Output the `projectionDef` instruction when some `<ng-content>` tags are present.
        // The `projectionDef` instruction is only emitted for the component template and
        // is skipped for nested templates (<ng-template> tags).
        if (this.level === 0 && this._ngContentReservedSlots.length) {
            const parameters = [];
            // By default the `projectionDef` instructions creates one slot for the wildcard
            // selector if no parameters are passed. Therefore we only want to allocate a new
            // array for the projection slots if the default projection slot is not sufficient.
            if (this._ngContentReservedSlots.length > 1 || this._ngContentReservedSlots[0] !== '*') {
                const r3ReservedSlots = this._ngContentReservedSlots.map(s => s !== '*' ? parseSelectorToR3Selector(s) : s);
                parameters.push(this.constantPool.getConstLiteral(asLiteral(r3ReservedSlots), true));
            }
            // Since we accumulate ngContent selectors while processing template elements,
            // we *prepend* `projectionDef` to creation instructions block, to put it before
            // any `projection` instructions
            this.creationInstruction(null, Identifiers.projectionDef, parameters, /* prepend */ true);
        }
        if (initI18nContext) {
            this.i18nEnd(null, selfClosingI18nInstruction);
        }
        // Generate all the creation mode instructions (e.g. resolve bindings in listeners)
        const creationStatements = this._creationCodeFns.map((fn) => fn());
        // Generate all the update mode instructions (e.g. resolve property or text bindings)
        const updateStatements = this._updateCodeFns.map((fn) => fn());
        //  Variable declaration must occur after binding resolution so we can generate context
        //  instructions that build on each other.
        // e.g. const b = nextContext().$implicit(); const b = nextContext();
        const creationVariables = this._bindingScope.viewSnapshotStatements();
        const updateVariables = this._bindingScope.variableDeclarations().concat(this._tempVariables);
        const creationBlock = creationStatements.length > 0 ?
            [renderFlagCheckIfStmt(1 /* Create */, creationVariables.concat(creationStatements))] :
            [];
        const updateBlock = updateStatements.length > 0 ?
            [renderFlagCheckIfStmt(2 /* Update */, updateVariables.concat(updateStatements))] :
            [];
        return fn(
        // i.e. (rf: RenderFlags, ctx: any)
        [new FnParam(RENDER_FLAGS, NUMBER_TYPE), new FnParam(CONTEXT_NAME, null)], [
            // Temporary variable declarations for query refresh (i.e. let _t: any;)
            ...this._prefixCode,
            // Creating mode (i.e. if (rf & RenderFlags.Create) { ... })
            ...creationBlock,
            // Binding and refresh mode (i.e. if (rf & RenderFlags.Update) {...})
            ...updateBlock,
        ], INFERRED_TYPE, null, this.templateName);
    }
    // LocalResolver
    getLocal(name) {
        return this._bindingScope.get(name);
    }
    // LocalResolver
    notifyImplicitReceiverUse() {
        this._bindingScope.notifyImplicitReceiverUse();
    }
    // LocalResolver
    maybeRestoreView() {
        this._bindingScope.maybeRestoreView();
    }
    i18nTranslate(message, params = {}, ref, transformFn) {
        const _ref = ref || this.i18nGenerateMainBlockVar();
        // Closure Compiler requires const names to start with `MSG_` but disallows any other const to
        // start with `MSG_`. We define a variable starting with `MSG_` just for the `goog.getMsg` call
        const closureVar = this.i18nGenerateClosureVar(message.id);
        const statements = getTranslationDeclStmts(message, _ref, closureVar, params, transformFn);
        this._constants.prepareStatements.push(...statements);
        return _ref;
    }
    registerContextVariables(variable$1) {
        const scopedName = this._bindingScope.freshReferenceName();
        const retrievalLevel = this.level;
        const lhs = variable(variable$1.name + scopedName);
        this._bindingScope.set(retrievalLevel, variable$1.name, lhs, 1 /* CONTEXT */, (scope, relativeLevel) => {
            let rhs;
            if (scope.bindingLevel === retrievalLevel) {
                if (scope.isListenerScope() && scope.hasRestoreViewVariable()) {
                    // e.g. restoredCtx.
                    // We have to get the context from a view reference, if one is available, because
                    // the context that was passed in during creation may not be correct anymore.
                    // For more information see: https://github.com/angular/angular/pull/40360.
                    rhs = variable(RESTORED_VIEW_CONTEXT_NAME);
                    scope.notifyRestoredViewContextUse();
                }
                else {
                    // e.g. ctx
                    rhs = variable(CONTEXT_NAME);
                }
            }
            else {
                const sharedCtxVar = scope.getSharedContextName(retrievalLevel);
                // e.g. ctx_r0   OR  x(2);
                rhs = sharedCtxVar ? sharedCtxVar : generateNextContextExpr(relativeLevel);
            }
            // e.g. const $item$ = x(2).$implicit;
            return [lhs.set(rhs.prop(variable$1.value || IMPLICIT_REFERENCE)).toConstDecl()];
        });
    }
    i18nAppendBindings(expressions) {
        if (expressions.length > 0) {
            expressions.forEach(expression => this.i18n.appendBinding(expression));
        }
    }
    i18nBindProps(props) {
        const bound = {};
        Object.keys(props).forEach(key => {
            const prop = props[key];
            if (prop instanceof Text) {
                bound[key] = literal(prop.value);
            }
            else {
                const value = prop.value.visit(this._valueConverter);
                this.allocateBindingSlots(value);
                if (value instanceof Interpolation) {
                    const { strings, expressions } = value;
                    const { id, bindings } = this.i18n;
                    const label = assembleI18nBoundString(strings, bindings.size, id);
                    this.i18nAppendBindings(expressions);
                    bound[key] = literal(label);
                }
            }
        });
        return bound;
    }
    // Generates top level vars for i18n blocks (i.e. `i18n_N`).
    i18nGenerateMainBlockVar() {
        return variable(this.constantPool.uniqueName(TRANSLATION_VAR_PREFIX));
    }
    // Generates vars with Closure-specific names for i18n blocks (i.e. `MSG_XXX`).
    i18nGenerateClosureVar(messageId) {
        let name;
        const suffix = this.fileBasedI18nSuffix.toUpperCase();
        if (this.i18nUseExternalIds) {
            const prefix = getTranslationConstPrefix(`EXTERNAL_`);
            const uniqueSuffix = this.constantPool.uniqueName(suffix);
            name = `${prefix}${sanitizeIdentifier(messageId)}$$${uniqueSuffix}`;
        }
        else {
            const prefix = getTranslationConstPrefix(suffix);
            name = this.constantPool.uniqueName(prefix);
        }
        return variable(name);
    }
    i18nUpdateRef(context) {
        const { icus, meta, isRoot, isResolved, isEmitted } = context;
        if (isRoot && isResolved && !isEmitted && !isSingleI18nIcu(meta)) {
            context.isEmitted = true;
            const placeholders = context.getSerializedPlaceholders();
            let icuMapping = {};
            let params = placeholders.size ? placeholdersToParams(placeholders) : {};
            if (icus.size) {
                icus.forEach((refs, key) => {
                    if (refs.length === 1) {
                        // if we have one ICU defined for a given
                        // placeholder - just output its reference
                        params[key] = refs[0];
                    }
                    else {
                        // ... otherwise we need to activate post-processing
                        // to replace ICU placeholders with proper values
                        const placeholder = wrapI18nPlaceholder(`${I18N_ICU_MAPPING_PREFIX}${key}`);
                        params[key] = literal(placeholder);
                        icuMapping[key] = literalArr(refs);
                    }
                });
            }
            // translation requires post processing in 2 cases:
            // - if we have placeholders with multiple values (ex. `START_DIV`: [�#1�, �#2�, ...])
            // - if we have multiple ICUs that refer to the same placeholder name
            const needsPostprocessing = Array.from(placeholders.values()).some((value) => value.length > 1) ||
                Object.keys(icuMapping).length;
            let transformFn;
            if (needsPostprocessing) {
                transformFn = (raw) => {
                    const args = [raw];
                    if (Object.keys(icuMapping).length) {
                        args.push(mapLiteral(icuMapping, true));
                    }
                    return instruction(null, Identifiers.i18nPostprocess, args);
                };
            }
            this.i18nTranslate(meta, params, context.ref, transformFn);
        }
    }
    i18nStart(span = null, meta, selfClosing) {
        const index = this.allocateDataSlot();
        this.i18n = this.i18nContext ?
            this.i18nContext.forkChildContext(index, this.templateIndex, meta) :
            new I18nContext(index, this.i18nGenerateMainBlockVar(), 0, this.templateIndex, meta);
        // generate i18nStart instruction
        const { id, ref } = this.i18n;
        const params = [literal(index), this.addToConsts(ref)];
        if (id > 0) {
            // do not push 3rd argument (sub-block id)
            // into i18nStart call for top level i18n context
            params.push(literal(id));
        }
        this.creationInstruction(span, selfClosing ? Identifiers.i18n : Identifiers.i18nStart, params);
    }
    i18nEnd(span = null, selfClosing) {
        if (!this.i18n) {
            throw new Error('i18nEnd is executed with no i18n context present');
        }
        if (this.i18nContext) {
            this.i18nContext.reconcileChildContext(this.i18n);
            this.i18nUpdateRef(this.i18nContext);
        }
        else {
            this.i18nUpdateRef(this.i18n);
        }
        // setup accumulated bindings
        const { index, bindings } = this.i18n;
        if (bindings.size) {
            const chainBindings = [];
            bindings.forEach(binding => {
                chainBindings.push({ sourceSpan: span, value: () => this.convertPropertyBinding(binding) });
            });
            // for i18n block, advance to the most recent element index (by taking the current number of
            // elements and subtracting one) before invoking `i18nExp` instructions, to make sure the
            // necessary lifecycle hooks of components/directives are properly flushed.
            this.updateInstructionChainWithAdvance(this.getConstCount() - 1, Identifiers.i18nExp, chainBindings);
            this.updateInstruction(span, Identifiers.i18nApply, [literal(index)]);
        }
        if (!selfClosing) {
            this.creationInstruction(span, Identifiers.i18nEnd);
        }
        this.i18n = null; // reset local i18n context
    }
    i18nAttributesInstruction(nodeIndex, attrs, sourceSpan) {
        let hasBindings = false;
        const i18nAttrArgs = [];
        const bindings = [];
        attrs.forEach(attr => {
            const message = attr.i18n;
            const converted = attr.value.visit(this._valueConverter);
            this.allocateBindingSlots(converted);
            if (converted instanceof Interpolation) {
                const placeholders = assembleBoundTextPlaceholders(message);
                const params = placeholdersToParams(placeholders);
                i18nAttrArgs.push(literal(attr.name), this.i18nTranslate(message, params));
                converted.expressions.forEach(expression => {
                    hasBindings = true;
                    bindings.push({
                        sourceSpan,
                        value: () => this.convertPropertyBinding(expression),
                    });
                });
            }
        });
        if (bindings.length > 0) {
            this.updateInstructionChainWithAdvance(nodeIndex, Identifiers.i18nExp, bindings);
        }
        if (i18nAttrArgs.length > 0) {
            const index = literal(this.allocateDataSlot());
            const constIndex = this.addToConsts(literalArr(i18nAttrArgs));
            this.creationInstruction(sourceSpan, Identifiers.i18nAttributes, [index, constIndex]);
            if (hasBindings) {
                this.updateInstruction(sourceSpan, Identifiers.i18nApply, [index]);
            }
        }
    }
    getNamespaceInstruction(namespaceKey) {
        switch (namespaceKey) {
            case 'math':
                return Identifiers.namespaceMathML;
            case 'svg':
                return Identifiers.namespaceSVG;
            default:
                return Identifiers.namespaceHTML;
        }
    }
    addNamespaceInstruction(nsInstruction, element) {
        this._namespace = nsInstruction;
        this.creationInstruction(element.startSourceSpan, nsInstruction);
    }
    /**
     * Adds an update instruction for an interpolated property or attribute, such as
     * `prop="{{value}}"` or `attr.title="{{value}}"`
     */
    interpolatedUpdateInstruction(instruction, elementIndex, attrName, input, value, params) {
        this.updateInstructionWithAdvance(elementIndex, input.sourceSpan, instruction, () => [literal(attrName), ...this.getUpdateInstructionArguments(value), ...params]);
    }
    visitContent(ngContent) {
        const slot = this.allocateDataSlot();
        const projectionSlotIdx = this._ngContentSelectorsOffset + this._ngContentReservedSlots.length;
        const parameters = [literal(slot)];
        this._ngContentReservedSlots.push(ngContent.selector);
        const nonContentSelectAttributes = ngContent.attributes.filter(attr => attr.name.toLowerCase() !== NG_CONTENT_SELECT_ATTR$1);
        const attributes = this.getAttributeExpressions(ngContent.name, nonContentSelectAttributes, [], []);
        if (attributes.length > 0) {
            parameters.push(literal(projectionSlotIdx), literalArr(attributes));
        }
        else if (projectionSlotIdx !== 0) {
            parameters.push(literal(projectionSlotIdx));
        }
        this.creationInstruction(ngContent.sourceSpan, Identifiers.projection, parameters);
        if (this.i18n) {
            this.i18n.appendProjection(ngContent.i18n, slot);
        }
    }
    visitElement(element) {
        var _a, _b;
        const elementIndex = this.allocateDataSlot();
        const stylingBuilder = new StylingBuilder(null);
        let isNonBindableMode = false;
        const isI18nRootElement = isI18nRootNode(element.i18n) && !isSingleI18nIcu(element.i18n);
        const outputAttrs = [];
        const [namespaceKey, elementName] = splitNsName(element.name);
        const isNgContainer$1 = isNgContainer(element.name);
        // Handle styling, i18n, ngNonBindable attributes
        for (const attr of element.attributes) {
            const { name, value } = attr;
            if (name === NON_BINDABLE_ATTR) {
                isNonBindableMode = true;
            }
            else if (name === 'style') {
                stylingBuilder.registerStyleAttr(value);
            }
            else if (name === 'class') {
                stylingBuilder.registerClassAttr(value);
            }
            else {
                outputAttrs.push(attr);
            }
        }
        // Match directives on non i18n attributes
        this.matchDirectives(element.name, element);
        // Regular element or ng-container creation mode
        const parameters = [literal(elementIndex)];
        if (!isNgContainer$1) {
            parameters.push(literal(elementName));
        }
        // Add the attributes
        const allOtherInputs = [];
        const boundI18nAttrs = [];
        element.inputs.forEach(input => {
            const stylingInputWasSet = stylingBuilder.registerBoundInput(input);
            if (!stylingInputWasSet) {
                if (input.type === 0 /* Property */ && input.i18n) {
                    boundI18nAttrs.push(input);
                }
                else {
                    allOtherInputs.push(input);
                }
            }
        });
        // add attributes for directive and projection matching purposes
        const attributes = this.getAttributeExpressions(element.name, outputAttrs, allOtherInputs, element.outputs, stylingBuilder, [], boundI18nAttrs);
        parameters.push(this.addAttrsToConsts(attributes));
        // local refs (ex.: <div #foo #bar="baz">)
        const refs = this.prepareRefsArray(element.references);
        parameters.push(this.addToConsts(refs));
        const wasInNamespace = this._namespace;
        const currentNamespace = this.getNamespaceInstruction(namespaceKey);
        // If the namespace is changing now, include an instruction to change it
        // during element creation.
        if (currentNamespace !== wasInNamespace) {
            this.addNamespaceInstruction(currentNamespace, element);
        }
        if (this.i18n) {
            this.i18n.appendElement(element.i18n, elementIndex);
        }
        // Note that we do not append text node instructions and ICUs inside i18n section,
        // so we exclude them while calculating whether current element has children
        const hasChildren = (!isI18nRootElement && this.i18n) ? !hasTextChildrenOnly(element.children) :
            element.children.length > 0;
        const createSelfClosingInstruction = !stylingBuilder.hasBindingsWithPipes &&
            element.outputs.length === 0 && boundI18nAttrs.length === 0 && !hasChildren;
        const createSelfClosingI18nInstruction = !createSelfClosingInstruction && hasTextChildrenOnly(element.children);
        if (createSelfClosingInstruction) {
            this.creationInstruction(element.sourceSpan, isNgContainer$1 ? Identifiers.elementContainer : Identifiers.element, trimTrailingNulls(parameters));
        }
        else {
            this.creationInstruction(element.startSourceSpan, isNgContainer$1 ? Identifiers.elementContainerStart : Identifiers.elementStart, trimTrailingNulls(parameters));
            if (isNonBindableMode) {
                this.creationInstruction(element.startSourceSpan, Identifiers.disableBindings);
            }
            if (boundI18nAttrs.length > 0) {
                this.i18nAttributesInstruction(elementIndex, boundI18nAttrs, (_a = element.startSourceSpan) !== null && _a !== void 0 ? _a : element.sourceSpan);
            }
            // Generate Listeners (outputs)
            if (element.outputs.length > 0) {
                const listeners = element.outputs.map((outputAst) => ({
                    sourceSpan: outputAst.sourceSpan,
                    params: this.prepareListenerParameter(element.name, outputAst, elementIndex)
                }));
                this.creationInstructionChain(Identifiers.listener, listeners);
            }
            // Note: it's important to keep i18n/i18nStart instructions after i18nAttributes and
            // listeners, to make sure i18nAttributes instruction targets current element at runtime.
            if (isI18nRootElement) {
                this.i18nStart(element.startSourceSpan, element.i18n, createSelfClosingI18nInstruction);
            }
        }
        // the code here will collect all update-level styling instructions and add them to the
        // update block of the template function AOT code. Instructions like `styleProp`,
        // `styleMap`, `classMap`, `classProp`
        // are all generated and assigned in the code below.
        const stylingInstructions = stylingBuilder.buildUpdateLevelInstructions(this._valueConverter);
        const limit = stylingInstructions.length - 1;
        for (let i = 0; i <= limit; i++) {
            const instruction = stylingInstructions[i];
            this._bindingSlots += this.processStylingUpdateInstruction(elementIndex, instruction);
        }
        // the reason why `undefined` is used is because the renderer understands this as a
        // special value to symbolize that there is no RHS to this binding
        // TODO (matsko): revisit this once FW-959 is approached
        const emptyValueBindInstruction = literal(undefined);
        const propertyBindings = [];
        const attributeBindings = [];
        // Generate element input bindings
        allOtherInputs.forEach(input => {
            const inputType = input.type;
            if (inputType === 4 /* Animation */) {
                const value = input.value.visit(this._valueConverter);
                // animation bindings can be presented in the following formats:
                // 1. [@binding]="fooExp"
                // 2. [@binding]="{value:fooExp, params:{...}}"
                // 3. [@binding]
                // 4. @binding
                // All formats will be valid for when a synthetic binding is created.
                // The reasoning for this is because the renderer should get each
                // synthetic binding value in the order of the array that they are
                // defined in...
                const hasValue = value instanceof LiteralPrimitive ? !!value.value : true;
                this.allocateBindingSlots(value);
                propertyBindings.push({
                    name: prepareSyntheticPropertyName(input.name),
                    sourceSpan: input.sourceSpan,
                    value: () => hasValue ? this.convertPropertyBinding(value) : emptyValueBindInstruction
                });
            }
            else {
                // we must skip attributes with associated i18n context, since these attributes are handled
                // separately and corresponding `i18nExp` and `i18nApply` instructions will be generated
                if (input.i18n)
                    return;
                const value = input.value.visit(this._valueConverter);
                if (value !== undefined) {
                    const params = [];
                    const [attrNamespace, attrName] = splitNsName(input.name);
                    const isAttributeBinding = inputType === 1 /* Attribute */;
                    const sanitizationRef = resolveSanitizationFn(input.securityContext, isAttributeBinding);
                    if (sanitizationRef)
                        params.push(sanitizationRef);
                    if (attrNamespace) {
                        const namespaceLiteral = literal(attrNamespace);
                        if (sanitizationRef) {
                            params.push(namespaceLiteral);
                        }
                        else {
                            // If there wasn't a sanitization ref, we need to add
                            // an extra param so that we can pass in the namespace.
                            params.push(literal(null), namespaceLiteral);
                        }
                    }
                    this.allocateBindingSlots(value);
                    if (inputType === 0 /* Property */) {
                        if (value instanceof Interpolation) {
                            // prop="{{value}}" and friends
                            this.interpolatedUpdateInstruction(getPropertyInterpolationExpression(value), elementIndex, attrName, input, value, params);
                        }
                        else {
                            // [prop]="value"
                            // Collect all the properties so that we can chain into a single function at the end.
                            propertyBindings.push({
                                name: attrName,
                                sourceSpan: input.sourceSpan,
                                value: () => this.convertPropertyBinding(value),
                                params
                            });
                        }
                    }
                    else if (inputType === 1 /* Attribute */) {
                        if (value instanceof Interpolation && getInterpolationArgsLength(value) > 1) {
                            // attr.name="text{{value}}" and friends
                            this.interpolatedUpdateInstruction(getAttributeInterpolationExpression(value), elementIndex, attrName, input, value, params);
                        }
                        else {
                            const boundValue = value instanceof Interpolation ? value.expressions[0] : value;
                            // [attr.name]="value" or attr.name="{{value}}"
                            // Collect the attribute bindings so that they can be chained at the end.
                            attributeBindings.push({
                                name: attrName,
                                sourceSpan: input.sourceSpan,
                                value: () => this.convertPropertyBinding(boundValue),
                                params
                            });
                        }
                    }
                    else {
                        // class prop
                        this.updateInstructionWithAdvance(elementIndex, input.sourceSpan, Identifiers.classProp, () => {
                            return [
                                literal(elementIndex), literal(attrName), this.convertPropertyBinding(value),
                                ...params
                            ];
                        });
                    }
                }
            }
        });
        if (propertyBindings.length > 0) {
            this.updateInstructionChainWithAdvance(elementIndex, Identifiers.property, propertyBindings);
        }
        if (attributeBindings.length > 0) {
            this.updateInstructionChainWithAdvance(elementIndex, Identifiers.attribute, attributeBindings);
        }
        // Traverse element child nodes
        visitAll(this, element.children);
        if (!isI18nRootElement && this.i18n) {
            this.i18n.appendElement(element.i18n, elementIndex, true);
        }
        if (!createSelfClosingInstruction) {
            // Finish element construction mode.
            const span = (_b = element.endSourceSpan) !== null && _b !== void 0 ? _b : element.sourceSpan;
            if (isI18nRootElement) {
                this.i18nEnd(span, createSelfClosingI18nInstruction);
            }
            if (isNonBindableMode) {
                this.creationInstruction(span, Identifiers.enableBindings);
            }
            this.creationInstruction(span, isNgContainer$1 ? Identifiers.elementContainerEnd : Identifiers.elementEnd);
        }
    }
    visitTemplate(template) {
        var _a;
        const NG_TEMPLATE_TAG_NAME = 'ng-template';
        const templateIndex = this.allocateDataSlot();
        if (this.i18n) {
            this.i18n.appendTemplate(template.i18n, templateIndex);
        }
        const tagNameWithoutNamespace = template.tagName ? splitNsName(template.tagName)[1] : template.tagName;
        const contextName = `${this.contextName}${template.tagName ? '_' + sanitizeIdentifier(template.tagName) : ''}_${templateIndex}`;
        const templateName = `${contextName}_Template`;
        const parameters = [
            literal(templateIndex),
            variable(templateName),
            // We don't care about the tag's namespace here, because we infer
            // it based on the parent nodes inside the template instruction.
            literal(tagNameWithoutNamespace),
        ];
        // find directives matching on a given <ng-template> node
        this.matchDirectives(NG_TEMPLATE_TAG_NAME, template);
        // prepare attributes parameter (including attributes used for directive matching)
        const attrsExprs = this.getAttributeExpressions(NG_TEMPLATE_TAG_NAME, template.attributes, template.inputs, template.outputs, undefined /* styles */, template.templateAttrs);
        parameters.push(this.addAttrsToConsts(attrsExprs));
        // local refs (ex.: <ng-template #foo>)
        if (template.references && template.references.length) {
            const refs = this.prepareRefsArray(template.references);
            parameters.push(this.addToConsts(refs));
            parameters.push(importExpr(Identifiers.templateRefExtractor));
        }
        // Create the template function
        const templateVisitor = new TemplateDefinitionBuilder(this.constantPool, this._bindingScope, this.level + 1, contextName, this.i18n, templateIndex, templateName, this.directiveMatcher, this.directives, this.pipeTypeByName, this.pipes, this._namespace, this.fileBasedI18nSuffix, this.i18nUseExternalIds, this._constants);
        // Nested templates must not be visited until after their parent templates have completed
        // processing, so they are queued here until after the initial pass. Otherwise, we wouldn't
        // be able to support bindings in nested templates to local refs that occur after the
        // template definition. e.g. <div *ngIf="showing">{{ foo }}</div>  <div #foo></div>
        this._nestedTemplateFns.push(() => {
            const templateFunctionExpr = templateVisitor.buildTemplateFunction(template.children, template.variables, this._ngContentReservedSlots.length + this._ngContentSelectorsOffset, template.i18n);
            this.constantPool.statements.push(templateFunctionExpr.toDeclStmt(templateName));
            if (templateVisitor._ngContentReservedSlots.length) {
                this._ngContentReservedSlots.push(...templateVisitor._ngContentReservedSlots);
            }
        });
        // e.g. template(1, MyComp_Template_1)
        this.creationInstruction(template.sourceSpan, Identifiers.templateCreate, () => {
            parameters.splice(2, 0, literal(templateVisitor.getConstCount()), literal(templateVisitor.getVarCount()));
            return trimTrailingNulls(parameters);
        });
        // handle property bindings e.g. ɵɵproperty('ngForOf', ctx.items), et al;
        this.templatePropertyBindings(templateIndex, template.templateAttrs);
        // Only add normal input/output binding instructions on explicit <ng-template> elements.
        if (tagNameWithoutNamespace === NG_TEMPLATE_TAG_NAME) {
            const [i18nInputs, inputs] = partitionArray(template.inputs, hasI18nMeta);
            // Add i18n attributes that may act as inputs to directives. If such attributes are present,
            // generate `i18nAttributes` instruction. Note: we generate it only for explicit <ng-template>
            // elements, in case of inline templates, corresponding instructions will be generated in the
            // nested template function.
            if (i18nInputs.length > 0) {
                this.i18nAttributesInstruction(templateIndex, i18nInputs, (_a = template.startSourceSpan) !== null && _a !== void 0 ? _a : template.sourceSpan);
            }
            // Add the input bindings
            if (inputs.length > 0) {
                this.templatePropertyBindings(templateIndex, inputs);
            }
            // Generate listeners for directive output
            if (template.outputs.length > 0) {
                const listeners = template.outputs.map((outputAst) => ({
                    sourceSpan: outputAst.sourceSpan,
                    params: this.prepareListenerParameter('ng_template', outputAst, templateIndex)
                }));
                this.creationInstructionChain(Identifiers.listener, listeners);
            }
        }
    }
    visitBoundText(text) {
        if (this.i18n) {
            const value = text.value.visit(this._valueConverter);
            this.allocateBindingSlots(value);
            if (value instanceof Interpolation) {
                this.i18n.appendBoundText(text.i18n);
                this.i18nAppendBindings(value.expressions);
            }
            return;
        }
        const nodeIndex = this.allocateDataSlot();
        this.creationInstruction(text.sourceSpan, Identifiers.text, [literal(nodeIndex)]);
        const value = text.value.visit(this._valueConverter);
        this.allocateBindingSlots(value);
        if (value instanceof Interpolation) {
            this.updateInstructionWithAdvance(nodeIndex, text.sourceSpan, getTextInterpolationExpression(value), () => this.getUpdateInstructionArguments(value));
        }
        else {
            error('Text nodes should be interpolated and never bound directly.');
        }
    }
    visitText(text) {
        // when a text element is located within a translatable
        // block, we exclude this text element from instructions set,
        // since it will be captured in i18n content and processed at runtime
        if (!this.i18n) {
            this.creationInstruction(text.sourceSpan, Identifiers.text, [literal(this.allocateDataSlot()), literal(text.value)]);
        }
    }
    visitIcu(icu) {
        let initWasInvoked = false;
        // if an ICU was created outside of i18n block, we still treat
        // it as a translatable entity and invoke i18nStart and i18nEnd
        // to generate i18n context and the necessary instructions
        if (!this.i18n) {
            initWasInvoked = true;
            this.i18nStart(null, icu.i18n, true);
        }
        const i18n = this.i18n;
        const vars = this.i18nBindProps(icu.vars);
        const placeholders = this.i18nBindProps(icu.placeholders);
        // output ICU directly and keep ICU reference in context
        const message = icu.i18n;
        // we always need post-processing function for ICUs, to make sure that:
        // - all placeholders in a form of {PLACEHOLDER} are replaced with actual values (note:
        // `goog.getMsg` does not process ICUs and uses the `{PLACEHOLDER}` format for placeholders
        // inside ICUs)
        // - all ICU vars (such as `VAR_SELECT` or `VAR_PLURAL`) are replaced with correct values
        const transformFn = (raw) => {
            const params = Object.assign(Object.assign({}, vars), placeholders);
            const formatted = i18nFormatPlaceholderNames(params, /* useCamelCase */ false);
            return instruction(null, Identifiers.i18nPostprocess, [raw, mapLiteral(formatted, true)]);
        };
        // in case the whole i18n message is a single ICU - we do not need to
        // create a separate top-level translation, we can use the root ref instead
        // and make this ICU a top-level translation
        // note: ICU placeholders are replaced with actual values in `i18nPostprocess` function
        // separately, so we do not pass placeholders into `i18nTranslate` function.
        if (isSingleI18nIcu(i18n.meta)) {
            this.i18nTranslate(message, /* placeholders */ {}, i18n.ref, transformFn);
        }
        else {
            // output ICU directly and keep ICU reference in context
            const ref = this.i18nTranslate(message, /* placeholders */ {}, /* ref */ undefined, transformFn);
            i18n.appendIcu(icuFromI18nMessage(message).name, ref);
        }
        if (initWasInvoked) {
            this.i18nEnd(null, true);
        }
        return null;
    }
    allocateDataSlot() {
        return this._dataIndex++;
    }
    getConstCount() {
        return this._dataIndex;
    }
    getVarCount() {
        return this._pureFunctionSlots;
    }
    getConsts() {
        return this._constants;
    }
    getNgContentSelectors() {
        return this._ngContentReservedSlots.length ?
            this.constantPool.getConstLiteral(asLiteral(this._ngContentReservedSlots), true) :
            null;
    }
    bindingContext() {
        return `${this._bindingContext++}`;
    }
    templatePropertyBindings(templateIndex, attrs) {
        const propertyBindings = [];
        attrs.forEach(input => {
            if (input instanceof BoundAttribute) {
                const value = input.value.visit(this._valueConverter);
                if (value !== undefined) {
                    this.allocateBindingSlots(value);
                    if (value instanceof Interpolation) {
                        // Params typically contain attribute namespace and value sanitizer, which is applicable
                        // for regular HTML elements, but not applicable for <ng-template> (since props act as
                        // inputs to directives), so keep params array empty.
                        const params = [];
                        // prop="{{value}}" case
                        this.interpolatedUpdateInstruction(getPropertyInterpolationExpression(value), templateIndex, input.name, input, value, params);
                    }
                    else {
                        // [prop]="value" case
                        propertyBindings.push({
                            name: input.name,
                            sourceSpan: input.sourceSpan,
                            value: () => this.convertPropertyBinding(value)
                        });
                    }
                }
            }
        });
        if (propertyBindings.length > 0) {
            this.updateInstructionChainWithAdvance(templateIndex, Identifiers.property, propertyBindings);
        }
    }
    // Bindings must only be resolved after all local refs have been visited, so all
    // instructions are queued in callbacks that execute once the initial pass has completed.
    // Otherwise, we wouldn't be able to support local refs that are defined after their
    // bindings. e.g. {{ foo }} <div #foo></div>
    instructionFn(fns, span, reference, paramsOrFn, prepend = false) {
        fns[prepend ? 'unshift' : 'push'](() => {
            const params = Array.isArray(paramsOrFn) ? paramsOrFn : paramsOrFn();
            return instruction(span, reference, params).toStmt();
        });
    }
    processStylingUpdateInstruction(elementIndex, instruction) {
        let allocateBindingSlots = 0;
        if (instruction) {
            const calls = [];
            instruction.calls.forEach(call => {
                allocateBindingSlots += call.allocateBindingSlots;
                calls.push({
                    sourceSpan: call.sourceSpan,
                    value: () => {
                        return call.params(value => (call.supportsInterpolation && value instanceof Interpolation) ?
                            this.getUpdateInstructionArguments(value) :
                            this.convertPropertyBinding(value));
                    }
                });
            });
            this.updateInstructionChainWithAdvance(elementIndex, instruction.reference, calls);
        }
        return allocateBindingSlots;
    }
    creationInstruction(span, reference, paramsOrFn, prepend) {
        this.instructionFn(this._creationCodeFns, span, reference, paramsOrFn || [], prepend);
    }
    creationInstructionChain(reference, calls) {
        const span = calls.length ? calls[0].sourceSpan : null;
        this._creationCodeFns.push(() => {
            return chainedInstruction(reference, calls.map(call => call.params()), span).toStmt();
        });
    }
    updateInstructionWithAdvance(nodeIndex, span, reference, paramsOrFn) {
        this.addAdvanceInstructionIfNecessary(nodeIndex, span);
        this.updateInstruction(span, reference, paramsOrFn);
    }
    updateInstruction(span, reference, paramsOrFn) {
        this.instructionFn(this._updateCodeFns, span, reference, paramsOrFn || []);
    }
    updateInstructionChain(reference, bindings) {
        const span = bindings.length ? bindings[0].sourceSpan : null;
        this._updateCodeFns.push(() => {
            const calls = bindings.map(property => {
                const value = property.value();
                const fnParams = Array.isArray(value) ? value : [value];
                if (property.params) {
                    fnParams.push(...property.params);
                }
                if (property.name) {
                    // We want the property name to always be the first function parameter.
                    fnParams.unshift(literal(property.name));
                }
                return fnParams;
            });
            return chainedInstruction(reference, calls, span).toStmt();
        });
    }
    updateInstructionChainWithAdvance(nodeIndex, reference, bindings) {
        this.addAdvanceInstructionIfNecessary(nodeIndex, bindings.length ? bindings[0].sourceSpan : null);
        this.updateInstructionChain(reference, bindings);
    }
    addAdvanceInstructionIfNecessary(nodeIndex, span) {
        if (nodeIndex !== this._currentIndex) {
            const delta = nodeIndex - this._currentIndex;
            if (delta < 1) {
                throw new Error('advance instruction can only go forwards');
            }
            this.instructionFn(this._updateCodeFns, span, Identifiers.advance, [literal(delta)]);
            this._currentIndex = nodeIndex;
        }
    }
    allocatePureFunctionSlots(numSlots) {
        const originalSlots = this._pureFunctionSlots;
        this._pureFunctionSlots += numSlots;
        return originalSlots;
    }
    allocateBindingSlots(value) {
        this._bindingSlots += value instanceof Interpolation ? value.expressions.length : 1;
    }
    /**
     * Gets an expression that refers to the implicit receiver. The implicit
     * receiver is always the root level context.
     */
    getImplicitReceiverExpr() {
        if (this._implicitReceiverExpr) {
            return this._implicitReceiverExpr;
        }
        return this._implicitReceiverExpr = this.level === 0 ?
            variable(CONTEXT_NAME) :
            this._bindingScope.getOrCreateSharedContextVar(0);
    }
    convertPropertyBinding(value) {
        const convertedPropertyBinding = convertPropertyBinding(this, this.getImplicitReceiverExpr(), value, this.bindingContext(), BindingForm.Expression, () => error('Unexpected interpolation'));
        const valExpr = convertedPropertyBinding.currValExpr;
        this._tempVariables.push(...convertedPropertyBinding.stmts);
        return valExpr;
    }
    /**
     * Gets a list of argument expressions to pass to an update instruction expression. Also updates
     * the temp variables state with temp variables that were identified as needing to be created
     * while visiting the arguments.
     * @param value The original expression we will be resolving an arguments list from.
     */
    getUpdateInstructionArguments(value) {
        const { args, stmts } = convertUpdateArguments(this, this.getImplicitReceiverExpr(), value, this.bindingContext());
        this._tempVariables.push(...stmts);
        return args;
    }
    matchDirectives(elementName, elOrTpl) {
        if (this.directiveMatcher) {
            const selector = createCssSelector(elementName, getAttrsForDirectiveMatching(elOrTpl));
            this.directiveMatcher.match(selector, (cssSelector, staticType) => {
                this.directives.add(staticType);
            });
        }
    }
    /**
     * Prepares all attribute expression values for the `TAttributes` array.
     *
     * The purpose of this function is to properly construct an attributes array that
     * is passed into the `elementStart` (or just `element`) functions. Because there
     * are many different types of attributes, the array needs to be constructed in a
     * special way so that `elementStart` can properly evaluate them.
     *
     * The format looks like this:
     *
     * ```
     * attrs = [prop, value, prop2, value2,
     *   PROJECT_AS, selector,
     *   CLASSES, class1, class2,
     *   STYLES, style1, value1, style2, value2,
     *   BINDINGS, name1, name2, name3,
     *   TEMPLATE, name4, name5, name6,
     *   I18N, name7, name8, ...]
     * ```
     *
     * Note that this function will fully ignore all synthetic (@foo) attribute values
     * because those values are intended to always be generated as property instructions.
     */
    getAttributeExpressions(elementName, renderAttributes, inputs, outputs, styles, templateAttrs = [], boundI18nAttrs = []) {
        const alreadySeen = new Set();
        const attrExprs = [];
        let ngProjectAsAttr;
        for (const attr of renderAttributes) {
            if (attr.name === NG_PROJECT_AS_ATTR_NAME) {
                ngProjectAsAttr = attr;
            }
            // Note that static i18n attributes aren't in the i18n array,
            // because they're treated in the same way as regular attributes.
            if (attr.i18n) {
                // When i18n attributes are present on elements with structural directives
                // (e.g. `<div *ngIf title="Hello" i18n-title>`), we want to avoid generating
                // duplicate i18n translation blocks for `ɵɵtemplate` and `ɵɵelement` instruction
                // attributes. So we do a cache lookup to see if suitable i18n translation block
                // already exists.
                const { i18nVarRefsCache } = this._constants;
                let i18nVarRef;
                if (i18nVarRefsCache.has(attr.i18n)) {
                    i18nVarRef = i18nVarRefsCache.get(attr.i18n);
                }
                else {
                    i18nVarRef = this.i18nTranslate(attr.i18n);
                    i18nVarRefsCache.set(attr.i18n, i18nVarRef);
                }
                attrExprs.push(literal(attr.name), i18nVarRef);
            }
            else {
                attrExprs.push(...getAttributeNameLiterals(attr.name), trustedConstAttribute(elementName, attr));
            }
        }
        // Keep ngProjectAs next to the other name, value pairs so we can verify that we match
        // ngProjectAs marker in the attribute name slot.
        if (ngProjectAsAttr) {
            attrExprs.push(...getNgProjectAsLiteral(ngProjectAsAttr));
        }
        function addAttrExpr(key, value) {
            if (typeof key === 'string') {
                if (!alreadySeen.has(key)) {
                    attrExprs.push(...getAttributeNameLiterals(key));
                    value !== undefined && attrExprs.push(value);
                    alreadySeen.add(key);
                }
            }
            else {
                attrExprs.push(literal(key));
            }
        }
        // it's important that this occurs before BINDINGS and TEMPLATE because once `elementStart`
        // comes across the BINDINGS or TEMPLATE markers then it will continue reading each value as
        // as single property value cell by cell.
        if (styles) {
            styles.populateInitialStylingAttrs(attrExprs);
        }
        if (inputs.length || outputs.length) {
            const attrsLengthBeforeInputs = attrExprs.length;
            for (let i = 0; i < inputs.length; i++) {
                const input = inputs[i];
                // We don't want the animation and attribute bindings in the
                // attributes array since they aren't used for directive matching.
                if (input.type !== 4 /* Animation */ && input.type !== 1 /* Attribute */) {
                    addAttrExpr(input.name);
                }
            }
            for (let i = 0; i < outputs.length; i++) {
                const output = outputs[i];
                if (output.type !== 1 /* Animation */) {
                    addAttrExpr(output.name);
                }
            }
            // this is a cheap way of adding the marker only after all the input/output
            // values have been filtered (by not including the animation ones) and added
            // to the expressions. The marker is important because it tells the runtime
            // code that this is where attributes without values start...
            if (attrExprs.length !== attrsLengthBeforeInputs) {
                attrExprs.splice(attrsLengthBeforeInputs, 0, literal(3 /* Bindings */));
            }
        }
        if (templateAttrs.length) {
            attrExprs.push(literal(4 /* Template */));
            templateAttrs.forEach(attr => addAttrExpr(attr.name));
        }
        if (boundI18nAttrs.length) {
            attrExprs.push(literal(6 /* I18n */));
            boundI18nAttrs.forEach(attr => addAttrExpr(attr.name));
        }
        return attrExprs;
    }
    addToConsts(expression) {
        if (isNull(expression)) {
            return TYPED_NULL_EXPR;
        }
        const consts = this._constants.constExpressions;
        // Try to reuse a literal that's already in the array, if possible.
        for (let i = 0; i < consts.length; i++) {
            if (consts[i].isEquivalent(expression)) {
                return literal(i);
            }
        }
        return literal(consts.push(expression) - 1);
    }
    addAttrsToConsts(attrs) {
        return attrs.length > 0 ? this.addToConsts(literalArr(attrs)) : TYPED_NULL_EXPR;
    }
    prepareRefsArray(references) {
        if (!references || references.length === 0) {
            return TYPED_NULL_EXPR;
        }
        const refsParam = flatten(references.map(reference => {
            const slot = this.allocateDataSlot();
            // Generate the update temporary.
            const variableName = this._bindingScope.freshReferenceName();
            const retrievalLevel = this.level;
            const lhs = variable(variableName);
            this._bindingScope.set(retrievalLevel, reference.name, lhs, 0 /* DEFAULT */, (scope, relativeLevel) => {
                // e.g. nextContext(2);
                const nextContextStmt = relativeLevel > 0 ? [generateNextContextExpr(relativeLevel).toStmt()] : [];
                // e.g. const $foo$ = reference(1);
                const refExpr = lhs.set(importExpr(Identifiers.reference).callFn([literal(slot)]));
                return nextContextStmt.concat(refExpr.toConstDecl());
            }, true);
            return [reference.name, reference.value];
        }));
        return asLiteral(refsParam);
    }
    prepareListenerParameter(tagName, outputAst, index) {
        return () => {
            const eventName = outputAst.name;
            const bindingFnName = outputAst.type === 1 /* Animation */ ?
                // synthetic @listener.foo values are treated the exact same as are standard listeners
                prepareSyntheticListenerFunctionName(eventName, outputAst.phase) :
                sanitizeIdentifier(eventName);
            const handlerName = `${this.templateName}_${tagName}_${bindingFnName}_${index}_listener`;
            const scope = this._bindingScope.nestedScope(this._bindingScope.bindingLevel, EVENT_BINDING_SCOPE_GLOBALS);
            return prepareEventListenerParameters(outputAst, handlerName, scope);
        };
    }
}
class ValueConverter extends AstMemoryEfficientTransformer {
    constructor(constantPool, allocateSlot, allocatePureFunctionSlots, definePipe) {
        super();
        this.constantPool = constantPool;
        this.allocateSlot = allocateSlot;
        this.allocatePureFunctionSlots = allocatePureFunctionSlots;
        this.definePipe = definePipe;
        this._pipeBindExprs = [];
    }
    // AstMemoryEfficientTransformer
    visitPipe(pipe, context) {
        // Allocate a slot to create the pipe
        const slot = this.allocateSlot();
        const slotPseudoLocal = `PIPE:${slot}`;
        // Allocate one slot for the result plus one slot per pipe argument
        const pureFunctionSlot = this.allocatePureFunctionSlots(2 + pipe.args.length);
        const target = new PropertyRead(pipe.span, pipe.sourceSpan, pipe.nameSpan, new ImplicitReceiver(pipe.span, pipe.sourceSpan), slotPseudoLocal);
        const { identifier, isVarLength } = pipeBindingCallInfo(pipe.args);
        this.definePipe(pipe.name, slotPseudoLocal, slot, importExpr(identifier));
        const args = [pipe.exp, ...pipe.args];
        const convertedArgs = isVarLength ?
            this.visitAll([new LiteralArray(pipe.span, pipe.sourceSpan, args)]) :
            this.visitAll(args);
        const pipeBindExpr = new FunctionCall(pipe.span, pipe.sourceSpan, target, [
            new LiteralPrimitive(pipe.span, pipe.sourceSpan, slot),
            new LiteralPrimitive(pipe.span, pipe.sourceSpan, pureFunctionSlot),
            ...convertedArgs,
        ]);
        this._pipeBindExprs.push(pipeBindExpr);
        return pipeBindExpr;
    }
    updatePipeSlotOffsets(bindingSlots) {
        this._pipeBindExprs.forEach((pipe) => {
            // update the slot offset arg (index 1) to account for binding slots
            const slotOffset = pipe.args[1];
            slotOffset.value += bindingSlots;
        });
    }
    visitLiteralArray(array, context) {
        return new BuiltinFunctionCall(array.span, array.sourceSpan, this.visitAll(array.expressions), values => {
            // If the literal has calculated (non-literal) elements transform it into
            // calls to literal factories that compose the literal and will cache intermediate
            // values.
            const literal = literalArr(values);
            return getLiteralFactory(this.constantPool, literal, this.allocatePureFunctionSlots);
        });
    }
    visitLiteralMap(map, context) {
        return new BuiltinFunctionCall(map.span, map.sourceSpan, this.visitAll(map.values), values => {
            // If the literal has calculated (non-literal) elements  transform it into
            // calls to literal factories that compose the literal and will cache intermediate
            // values.
            const literal = literalMap(values.map((value, index) => ({ key: map.keys[index].key, value, quoted: map.keys[index].quoted })));
            return getLiteralFactory(this.constantPool, literal, this.allocatePureFunctionSlots);
        });
    }
}
// Pipes always have at least one parameter, the value they operate on
const pipeBindingIdentifiers = [Identifiers.pipeBind1, Identifiers.pipeBind2, Identifiers.pipeBind3, Identifiers.pipeBind4];
function pipeBindingCallInfo(args) {
    const identifier = pipeBindingIdentifiers[args.length];
    return {
        identifier: identifier || Identifiers.pipeBindV,
        isVarLength: !identifier,
    };
}
const pureFunctionIdentifiers = [
    Identifiers.pureFunction0, Identifiers.pureFunction1, Identifiers.pureFunction2, Identifiers.pureFunction3, Identifiers.pureFunction4,
    Identifiers.pureFunction5, Identifiers.pureFunction6, Identifiers.pureFunction7, Identifiers.pureFunction8
];
function pureFunctionCallInfo(args) {
    const identifier = pureFunctionIdentifiers[args.length];
    return {
        identifier: identifier || Identifiers.pureFunctionV,
        isVarLength: !identifier,
    };
}
function instruction(span, reference, params) {
    return importExpr(reference, null, span).callFn(params, span);
}
// e.g. x(2);
function generateNextContextExpr(relativeLevelDiff) {
    return importExpr(Identifiers.nextContext)
        .callFn(relativeLevelDiff > 1 ? [literal(relativeLevelDiff)] : []);
}
function getLiteralFactory(constantPool, literal$1, allocateSlots) {
    const { literalFactory, literalFactoryArguments } = constantPool.getLiteralFactory(literal$1);
    // Allocate 1 slot for the result plus 1 per argument
    const startSlot = allocateSlots(1 + literalFactoryArguments.length);
    const { identifier, isVarLength } = pureFunctionCallInfo(literalFactoryArguments);
    // Literal factories are pure functions that only need to be re-invoked when the parameters
    // change.
    const args = [literal(startSlot), literalFactory];
    if (isVarLength) {
        args.push(literalArr(literalFactoryArguments));
    }
    else {
        args.push(...literalFactoryArguments);
    }
    return importExpr(identifier).callFn(args);
}
/**
 * Gets an array of literals that can be added to an expression
 * to represent the name and namespace of an attribute. E.g.
 * `:xlink:href` turns into `[AttributeMarker.NamespaceURI, 'xlink', 'href']`.
 *
 * @param name Name of the attribute, including the namespace.
 */
function getAttributeNameLiterals(name) {
    const [attributeNamespace, attributeName] = splitNsName(name);
    const nameLiteral = literal(attributeName);
    if (attributeNamespace) {
        return [
            literal(0 /* NamespaceURI */), literal(attributeNamespace), nameLiteral
        ];
    }
    return [nameLiteral];
}
/** The prefix used to get a shared context in BindingScope's map. */
const SHARED_CONTEXT_KEY = '$$shared_ctx$$';
class BindingScope {
    constructor(bindingLevel = 0, parent = null, globals) {
        this.bindingLevel = bindingLevel;
        this.parent = parent;
        this.globals = globals;
        /** Keeps a map from local variables to their BindingData. */
        this.map = new Map();
        this.referenceNameIndex = 0;
        this.restoreViewVariable = null;
        this.usesRestoredViewContext = false;
        if (globals !== undefined) {
            for (const name of globals) {
                this.set(0, name, variable(name));
            }
        }
    }
    static createRootScope() {
        return new BindingScope();
    }
    get(name) {
        let current = this;
        while (current) {
            let value = current.map.get(name);
            if (value != null) {
                if (current !== this) {
                    // make a local copy and reset the `declare` state
                    value = {
                        retrievalLevel: value.retrievalLevel,
                        lhs: value.lhs,
                        declareLocalCallback: value.declareLocalCallback,
                        declare: false,
                        priority: value.priority
                    };
                    // Cache the value locally.
                    this.map.set(name, value);
                    // Possibly generate a shared context var
                    this.maybeGenerateSharedContextVar(value);
                    this.maybeRestoreView();
                }
                if (value.declareLocalCallback && !value.declare) {
                    value.declare = true;
                }
                return value.lhs;
            }
            current = current.parent;
        }
        // If we get to this point, we are looking for a property on the top level component
        // - If level === 0, we are on the top and don't need to re-declare `ctx`.
        // - If level > 0, we are in an embedded view. We need to retrieve the name of the
        // local var we used to store the component context, e.g. const $comp$ = x();
        return this.bindingLevel === 0 ? null : this.getComponentProperty(name);
    }
    /**
     * Create a local variable for later reference.
     *
     * @param retrievalLevel The level from which this value can be retrieved
     * @param name Name of the variable.
     * @param lhs AST representing the left hand side of the `let lhs = rhs;`.
     * @param priority The sorting priority of this var
     * @param declareLocalCallback The callback to invoke when declaring this local var
     * @param localRef Whether or not this is a local ref
     */
    set(retrievalLevel, name, lhs, priority = 0 /* DEFAULT */, declareLocalCallback, localRef) {
        if (this.map.has(name)) {
            if (localRef) {
                // Do not throw an error if it's a local ref and do not update existing value,
                // so the first defined ref is always returned.
                return this;
            }
            error(`The name ${name} is already defined in scope to be ${this.map.get(name)}`);
        }
        this.map.set(name, {
            retrievalLevel: retrievalLevel,
            lhs: lhs,
            declare: false,
            declareLocalCallback: declareLocalCallback,
            priority: priority,
        });
        return this;
    }
    // Implemented as part of LocalResolver.
    getLocal(name) {
        return this.get(name);
    }
    // Implemented as part of LocalResolver.
    notifyImplicitReceiverUse() {
        if (this.bindingLevel !== 0) {
            // Since the implicit receiver is accessed in an embedded view, we need to
            // ensure that we declare a shared context variable for the current template
            // in the update variables.
            this.map.get(SHARED_CONTEXT_KEY + 0).declare = true;
        }
    }
    nestedScope(level, globals) {
        const newScope = new BindingScope(level, this, globals);
        if (level > 0)
            newScope.generateSharedContextVar(0);
        return newScope;
    }
    /**
     * Gets or creates a shared context variable and returns its expression. Note that
     * this does not mean that the shared variable will be declared. Variables in the
     * binding scope will be only declared if they are used.
     */
    getOrCreateSharedContextVar(retrievalLevel) {
        const bindingKey = SHARED_CONTEXT_KEY + retrievalLevel;
        if (!this.map.has(bindingKey)) {
            this.generateSharedContextVar(retrievalLevel);
        }
        // Shared context variables are always generated as "ReadVarExpr".
        return this.map.get(bindingKey).lhs;
    }
    getSharedContextName(retrievalLevel) {
        const sharedCtxObj = this.map.get(SHARED_CONTEXT_KEY + retrievalLevel);
        // Shared context variables are always generated as "ReadVarExpr".
        return sharedCtxObj && sharedCtxObj.declare ? sharedCtxObj.lhs : null;
    }
    maybeGenerateSharedContextVar(value) {
        if (value.priority === 1 /* CONTEXT */ &&
            value.retrievalLevel < this.bindingLevel) {
            const sharedCtxObj = this.map.get(SHARED_CONTEXT_KEY + value.retrievalLevel);
            if (sharedCtxObj) {
                sharedCtxObj.declare = true;
            }
            else {
                this.generateSharedContextVar(value.retrievalLevel);
            }
        }
    }
    generateSharedContextVar(retrievalLevel) {
        const lhs = variable(CONTEXT_NAME + this.freshReferenceName());
        this.map.set(SHARED_CONTEXT_KEY + retrievalLevel, {
            retrievalLevel: retrievalLevel,
            lhs: lhs,
            declareLocalCallback: (scope, relativeLevel) => {
                // const ctx_r0 = nextContext(2);
                return [lhs.set(generateNextContextExpr(relativeLevel)).toConstDecl()];
            },
            declare: false,
            priority: 2 /* SHARED_CONTEXT */,
        });
    }
    getComponentProperty(name) {
        const componentValue = this.map.get(SHARED_CONTEXT_KEY + 0);
        componentValue.declare = true;
        this.maybeRestoreView();
        return componentValue.lhs.prop(name);
    }
    maybeRestoreView() {
        // View restoration is required for listener instructions inside embedded views, because
        // they only run in creation mode and they can have references to the context object.
        // If the context object changes in update mode, the reference will be incorrect, because
        // it was established during creation.
        if (this.isListenerScope()) {
            if (!this.parent.restoreViewVariable) {
                // parent saves variable to generate a shared `const $s$ = getCurrentView();` instruction
                this.parent.restoreViewVariable = variable(this.parent.freshReferenceName());
            }
            this.restoreViewVariable = this.parent.restoreViewVariable;
        }
    }
    restoreViewStatement() {
        const statements = [];
        if (this.restoreViewVariable) {
            const restoreCall = instruction(null, Identifiers.restoreView, [this.restoreViewVariable]);
            // Either `const restoredCtx = restoreView($state$);` or `restoreView($state$);`
            // depending on whether it is being used.
            statements.push(this.usesRestoredViewContext ?
                variable(RESTORED_VIEW_CONTEXT_NAME).set(restoreCall).toConstDecl() :
                restoreCall.toStmt());
        }
        return statements;
    }
    viewSnapshotStatements() {
        // const $state$ = getCurrentView();
        return this.restoreViewVariable ?
            [this.restoreViewVariable.set(instruction(null, Identifiers.getCurrentView, [])).toConstDecl()] :
            [];
    }
    isListenerScope() {
        return this.parent && this.parent.bindingLevel === this.bindingLevel;
    }
    variableDeclarations() {
        let currentContextLevel = 0;
        return Array.from(this.map.values())
            .filter(value => value.declare)
            .sort((a, b) => b.retrievalLevel - a.retrievalLevel || b.priority - a.priority)
            .reduce((stmts, value) => {
            const levelDiff = this.bindingLevel - value.retrievalLevel;
            const currStmts = value.declareLocalCallback(this, levelDiff - currentContextLevel);
            currentContextLevel = levelDiff;
            return stmts.concat(currStmts);
        }, []);
    }
    freshReferenceName() {
        let current = this;
        // Find the top scope as it maintains the global reference count
        while (current.parent)
            current = current.parent;
        const ref = `${REFERENCE_PREFIX}${current.referenceNameIndex++}`;
        return ref;
    }
    hasRestoreViewVariable() {
        return !!this.restoreViewVariable;
    }
    notifyRestoredViewContextUse() {
        this.usesRestoredViewContext = true;
    }
}
/**
 * Creates a `CssSelector` given a tag name and a map of attributes
 */
function createCssSelector(elementName, attributes) {
    const cssSelector = new CssSelector();
    const elementNameNoNs = splitNsName(elementName)[1];
    cssSelector.setElement(elementNameNoNs);
    Object.getOwnPropertyNames(attributes).forEach((name) => {
        const nameNoNs = splitNsName(name)[1];
        const value = attributes[name];
        cssSelector.addAttribute(nameNoNs, value);
        if (name.toLowerCase() === 'class') {
            const classes = value.trim().split(/\s+/);
            classes.forEach(className => cssSelector.addClassName(className));
        }
    });
    return cssSelector;
}
/**
 * Creates an array of expressions out of an `ngProjectAs` attributes
 * which can be added to the instruction parameters.
 */
function getNgProjectAsLiteral(attribute) {
    // Parse the attribute value into a CssSelectorList. Note that we only take the
    // first selector, because we don't support multiple selectors in ngProjectAs.
    const parsedR3Selector = parseSelectorToR3Selector(attribute.value)[0];
    return [literal(5 /* ProjectAs */), asLiteral(parsedR3Selector)];
}
/**
 * Gets the instruction to generate for an interpolated property
 * @param interpolation An Interpolation AST
 */
function getPropertyInterpolationExpression(interpolation) {
    switch (getInterpolationArgsLength(interpolation)) {
        case 1:
            return Identifiers.propertyInterpolate;
        case 3:
            return Identifiers.propertyInterpolate1;
        case 5:
            return Identifiers.propertyInterpolate2;
        case 7:
            return Identifiers.propertyInterpolate3;
        case 9:
            return Identifiers.propertyInterpolate4;
        case 11:
            return Identifiers.propertyInterpolate5;
        case 13:
            return Identifiers.propertyInterpolate6;
        case 15:
            return Identifiers.propertyInterpolate7;
        case 17:
            return Identifiers.propertyInterpolate8;
        default:
            return Identifiers.propertyInterpolateV;
    }
}
/**
 * Gets the instruction to generate for an interpolated attribute
 * @param interpolation An Interpolation AST
 */
function getAttributeInterpolationExpression(interpolation) {
    switch (getInterpolationArgsLength(interpolation)) {
        case 3:
            return Identifiers.attributeInterpolate1;
        case 5:
            return Identifiers.attributeInterpolate2;
        case 7:
            return Identifiers.attributeInterpolate3;
        case 9:
            return Identifiers.attributeInterpolate4;
        case 11:
            return Identifiers.attributeInterpolate5;
        case 13:
            return Identifiers.attributeInterpolate6;
        case 15:
            return Identifiers.attributeInterpolate7;
        case 17:
            return Identifiers.attributeInterpolate8;
        default:
            return Identifiers.attributeInterpolateV;
    }
}
/**
 * Gets the instruction to generate for interpolated text.
 * @param interpolation An Interpolation AST
 */
function getTextInterpolationExpression(interpolation) {
    switch (getInterpolationArgsLength(interpolation)) {
        case 1:
            return Identifiers.textInterpolate;
        case 3:
            return Identifiers.textInterpolate1;
        case 5:
            return Identifiers.textInterpolate2;
        case 7:
            return Identifiers.textInterpolate3;
        case 9:
            return Identifiers.textInterpolate4;
        case 11:
            return Identifiers.textInterpolate5;
        case 13:
            return Identifiers.textInterpolate6;
        case 15:
            return Identifiers.textInterpolate7;
        case 17:
            return Identifiers.textInterpolate8;
        default:
            return Identifiers.textInterpolateV;
    }
}
/**
 * Parse a template into render3 `Node`s and additional metadata, with no other dependencies.
 *
 * @param template text of the template to parse
 * @param templateUrl URL to use for source mapping of the parsed template
 * @param options options to modify how the template is parsed
 */
function parseTemplate(template, templateUrl, options = {}) {
    const { interpolationConfig, preserveWhitespaces, enableI18nLegacyMessageIdFormat } = options;
    const bindingParser = makeBindingParser(interpolationConfig);
    const htmlParser = new HtmlParser();
    const parseResult = htmlParser.parse(template, templateUrl, Object.assign(Object.assign({ leadingTriviaChars: LEADING_TRIVIA_CHARS }, options), { tokenizeExpansionForms: true }));
    if (!options.alwaysAttemptHtmlToR3AstConversion && parseResult.errors &&
        parseResult.errors.length > 0) {
        const parsedTemplate = {
            interpolationConfig,
            preserveWhitespaces,
            errors: parseResult.errors,
            nodes: [],
            styleUrls: [],
            styles: [],
            ngContentSelectors: []
        };
        if (options.collectCommentNodes) {
            parsedTemplate.commentNodes = [];
        }
        return parsedTemplate;
    }
    let rootNodes = parseResult.rootNodes;
    // process i18n meta information (scan attributes, generate ids)
    // before we run whitespace removal process, because existing i18n
    // extraction process (ng extract-i18n) relies on a raw content to generate
    // message ids
    const i18nMetaVisitor = new I18nMetaVisitor(interpolationConfig, /* keepI18nAttrs */ !preserveWhitespaces, enableI18nLegacyMessageIdFormat);
    const i18nMetaResult = i18nMetaVisitor.visitAllWithErrors(rootNodes);
    if (!options.alwaysAttemptHtmlToR3AstConversion && i18nMetaResult.errors &&
        i18nMetaResult.errors.length > 0) {
        const parsedTemplate = {
            interpolationConfig,
            preserveWhitespaces,
            errors: i18nMetaResult.errors,
            nodes: [],
            styleUrls: [],
            styles: [],
            ngContentSelectors: []
        };
        if (options.collectCommentNodes) {
            parsedTemplate.commentNodes = [];
        }
        return parsedTemplate;
    }
    rootNodes = i18nMetaResult.rootNodes;
    if (!preserveWhitespaces) {
        rootNodes = visitAll$1(new WhitespaceVisitor(), rootNodes);
        // run i18n meta visitor again in case whitespaces are removed (because that might affect
        // generated i18n message content) and first pass indicated that i18n content is present in a
        // template. During this pass i18n IDs generated at the first pass will be preserved, so we can
        // mimic existing extraction process (ng extract-i18n)
        if (i18nMetaVisitor.hasI18nMeta) {
            rootNodes = visitAll$1(new I18nMetaVisitor(interpolationConfig, /* keepI18nAttrs */ false), rootNodes);
        }
    }
    const { nodes, errors, styleUrls, styles, ngContentSelectors, commentNodes } = htmlAstToRender3Ast(rootNodes, bindingParser, { collectCommentNodes: !!options.collectCommentNodes });
    errors.push(...parseResult.errors, ...i18nMetaResult.errors);
    const parsedTemplate = {
        interpolationConfig,
        preserveWhitespaces,
        errors: errors.length > 0 ? errors : null,
        nodes,
        styleUrls,
        styles,
        ngContentSelectors
    };
    if (options.collectCommentNodes) {
        parsedTemplate.commentNodes = commentNodes;
    }
    return parsedTemplate;
}
const elementRegistry = new DomElementSchemaRegistry();
/**
 * Construct a `BindingParser` with a default configuration.
 */
function makeBindingParser(interpolationConfig = DEFAULT_INTERPOLATION_CONFIG) {
    return new BindingParser(new IvyParser(new Lexer()), interpolationConfig, elementRegistry, null, []);
}
function resolveSanitizationFn(context, isAttribute) {
    switch (context) {
        case SecurityContext.HTML:
            return importExpr(Identifiers.sanitizeHtml);
        case SecurityContext.SCRIPT:
            return importExpr(Identifiers.sanitizeScript);
        case SecurityContext.STYLE:
            // the compiler does not fill in an instruction for [style.prop?] binding
            // values because the style algorithm knows internally what props are subject
            // to sanitization (only [attr.style] values are explicitly sanitized)
            return isAttribute ? importExpr(Identifiers.sanitizeStyle) : null;
        case SecurityContext.URL:
            return importExpr(Identifiers.sanitizeUrl);
        case SecurityContext.RESOURCE_URL:
            return importExpr(Identifiers.sanitizeResourceUrl);
        default:
            return null;
    }
}
function trustedConstAttribute(tagName, attr) {
    const value = asLiteral(attr.value);
    if (isTrustedTypesSink(tagName, attr.name)) {
        switch (elementRegistry.securityContext(tagName, attr.name, /* isAttribute */ true)) {
            case SecurityContext.HTML:
                return taggedTemplate(importExpr(Identifiers.trustConstantHtml), new TemplateLiteral([new TemplateLiteralElement(attr.value)], []), undefined, attr.valueSpan);
            // NB: no SecurityContext.SCRIPT here, as the corresponding tags are stripped by the compiler.
            case SecurityContext.RESOURCE_URL:
                return taggedTemplate(importExpr(Identifiers.trustConstantResourceUrl), new TemplateLiteral([new TemplateLiteralElement(attr.value)], []), undefined, attr.valueSpan);
            default:
                return value;
        }
    }
    else {
        return value;
    }
}
function isSingleElementTemplate(children) {
    return children.length === 1 && children[0] instanceof Element;
}
function isTextNode(node) {
    return node instanceof Text || node instanceof BoundText || node instanceof Icu;
}
function hasTextChildrenOnly(children) {
    return children.every(isTextNode);
}
/** Name of the global variable that is used to determine if we use Closure translations or not */
const NG_I18N_CLOSURE_MODE = 'ngI18nClosureMode';
/**
 * Generate statements that define a given translation message.
 *
 * ```
 * var I18N_1;
 * if (typeof ngI18nClosureMode !== undefined && ngI18nClosureMode) {
 *     var MSG_EXTERNAL_XXX = goog.getMsg(
 *          "Some message with {$interpolation}!",
 *          { "interpolation": "\uFFFD0\uFFFD" }
 *     );
 *     I18N_1 = MSG_EXTERNAL_XXX;
 * }
 * else {
 *     I18N_1 = $localize`Some message with ${'\uFFFD0\uFFFD'}!`;
 * }
 * ```
 *
 * @param message The original i18n AST message node
 * @param variable The variable that will be assigned the translation, e.g. `I18N_1`.
 * @param closureVar The variable for Closure `goog.getMsg` calls, e.g. `MSG_EXTERNAL_XXX`.
 * @param params Object mapping placeholder names to their values (e.g.
 * `{ "interpolation": "\uFFFD0\uFFFD" }`).
 * @param transformFn Optional transformation function that will be applied to the translation (e.g.
 * post-processing).
 * @returns An array of statements that defined a given translation.
 */
function getTranslationDeclStmts(message, variable, closureVar, params = {}, transformFn) {
    const statements = [
        declareI18nVariable(variable),
        ifStmt(createClosureModeGuard(), createGoogleGetMsgStatements(variable, message, closureVar, i18nFormatPlaceholderNames(params, /* useCamelCase */ true)), createLocalizeStatements(variable, message, i18nFormatPlaceholderNames(params, /* useCamelCase */ false))),
    ];
    if (transformFn) {
        statements.push(new ExpressionStatement(variable.set(transformFn(variable))));
    }
    return statements;
}
/**
 * Create the expression that will be used to guard the closure mode block
 * It is equivalent to:
 *
 * ```
 * typeof ngI18nClosureMode !== undefined && ngI18nClosureMode
 * ```
 */
function createClosureModeGuard() {
    return typeofExpr(variable(NG_I18N_CLOSURE_MODE))
        .notIdentical(literal('undefined', STRING_TYPE))
        .and(variable(NG_I18N_CLOSURE_MODE));
}

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
// This regex matches any binding names that contain the "attr." prefix, e.g. "attr.required"
// If there is a match, the first matching group will contain the attribute name to bind.
const ATTR_REGEX = /attr\.([^\]]+)/;
function baseDirectiveFields(meta, constantPool, bindingParser) {
    const definitionMap = new DefinitionMap();
    const selectors = parseSelectorToR3Selector(meta.selector);
    // e.g. `type: MyDirective`
    definitionMap.set('type', meta.internalType);
    // e.g. `selectors: [['', 'someDir', '']]`
    if (selectors.length > 0) {
        definitionMap.set('selectors', asLiteral(selectors));
    }
    if (meta.queries.length > 0) {
        // e.g. `contentQueries: (rf, ctx, dirIndex) => { ... }
        definitionMap.set('contentQueries', createContentQueriesFunction(meta.queries, constantPool, meta.name));
    }
    if (meta.viewQueries.length) {
        definitionMap.set('viewQuery', createViewQueriesFunction(meta.viewQueries, constantPool, meta.name));
    }
    // e.g. `hostBindings: (rf, ctx) => { ... }
    definitionMap.set('hostBindings', createHostBindingsFunction(meta.host, meta.typeSourceSpan, bindingParser, constantPool, meta.selector || '', meta.name, definitionMap));
    // e.g 'inputs: {a: 'a'}`
    definitionMap.set('inputs', conditionallyCreateMapObjectLiteral(meta.inputs, true));
    // e.g 'outputs: {a: 'a'}`
    definitionMap.set('outputs', conditionallyCreateMapObjectLiteral(meta.outputs));
    if (meta.exportAs !== null) {
        definitionMap.set('exportAs', literalArr(meta.exportAs.map(e => literal(e))));
    }
    return definitionMap;
}
/**
 * Add features to the definition map.
 */
function addFeatures(definitionMap, meta) {
    // e.g. `features: [NgOnChangesFeature]`
    const features = [];
    const providers = meta.providers;
    const viewProviders = meta.viewProviders;
    if (providers || viewProviders) {
        const args = [providers || new LiteralArrayExpr([])];
        if (viewProviders) {
            args.push(viewProviders);
        }
        features.push(importExpr(Identifiers.ProvidersFeature).callFn(args));
    }
    if (meta.usesInheritance) {
        features.push(importExpr(Identifiers.InheritDefinitionFeature));
    }
    if (meta.fullInheritance) {
        features.push(importExpr(Identifiers.CopyDefinitionFeature));
    }
    if (meta.lifecycle.usesOnChanges) {
        features.push(importExpr(Identifiers.NgOnChangesFeature));
    }
    if (features.length) {
        definitionMap.set('features', literalArr(features));
    }
}
/**
 * Compile a directive for the render3 runtime as defined by the `R3DirectiveMetadata`.
 */
function compileDirectiveFromMetadata(meta, constantPool, bindingParser) {
    const definitionMap = baseDirectiveFields(meta, constantPool, bindingParser);
    addFeatures(definitionMap, meta);
    const expression = importExpr(Identifiers.defineDirective).callFn([definitionMap.toLiteralMap()], undefined, true);
    const type = createDirectiveType(meta);
    return { expression, type, statements: [] };
}
/**
 * Compile a component for the render3 runtime as defined by the `R3ComponentMetadata`.
 */
function compileComponentFromMetadata(meta, constantPool, bindingParser) {
    const definitionMap = baseDirectiveFields(meta, constantPool, bindingParser);
    addFeatures(definitionMap, meta);
    const selector = meta.selector && CssSelector.parse(meta.selector);
    const firstSelector = selector && selector[0];
    // e.g. `attr: ["class", ".my.app"]`
    // This is optional an only included if the first selector of a component specifies attributes.
    if (firstSelector) {
        const selectorAttributes = firstSelector.getAttrs();
        if (selectorAttributes.length) {
            definitionMap.set('attrs', constantPool.getConstLiteral(literalArr(selectorAttributes.map(value => value != null ? literal(value) : literal(undefined))), 
            /* forceShared */ true));
        }
    }
    // Generate the CSS matcher that recognize directive
    let directiveMatcher = null;
    if (meta.directives.length > 0) {
        const matcher = new SelectorMatcher();
        for (const { selector, type } of meta.directives) {
            matcher.addSelectables(CssSelector.parse(selector), type);
        }
        directiveMatcher = matcher;
    }
    // e.g. `template: function MyComponent_Template(_ctx, _cm) {...}`
    const templateTypeName = meta.name;
    const templateName = templateTypeName ? `${templateTypeName}_Template` : null;
    const directivesUsed = new Set();
    const pipesUsed = new Set();
    const changeDetection = meta.changeDetection;
    const template = meta.template;
    const templateBuilder = new TemplateDefinitionBuilder(constantPool, BindingScope.createRootScope(), 0, templateTypeName, null, null, templateName, directiveMatcher, directivesUsed, meta.pipes, pipesUsed, Identifiers.namespaceHTML, meta.relativeContextFilePath, meta.i18nUseExternalIds);
    const templateFunctionExpression = templateBuilder.buildTemplateFunction(template.nodes, []);
    // We need to provide this so that dynamically generated components know what
    // projected content blocks to pass through to the component when it is instantiated.
    const ngContentSelectors = templateBuilder.getNgContentSelectors();
    if (ngContentSelectors) {
        definitionMap.set('ngContentSelectors', ngContentSelectors);
    }
    // e.g. `decls: 2`
    definitionMap.set('decls', literal(templateBuilder.getConstCount()));
    // e.g. `vars: 2`
    definitionMap.set('vars', literal(templateBuilder.getVarCount()));
    // Generate `consts` section of ComponentDef:
    // - either as an array:
    //   `consts: [['one', 'two'], ['three', 'four']]`
    // - or as a factory function in case additional statements are present (to support i18n):
    //   `consts: function() { var i18n_0; if (ngI18nClosureMode) {...} else {...} return [i18n_0]; }`
    const { constExpressions, prepareStatements } = templateBuilder.getConsts();
    if (constExpressions.length > 0) {
        let constsExpr = literalArr(constExpressions);
        // Prepare statements are present - turn `consts` into a function.
        if (prepareStatements.length > 0) {
            constsExpr = fn([], [...prepareStatements, new ReturnStatement(constsExpr)]);
        }
        definitionMap.set('consts', constsExpr);
    }
    definitionMap.set('template', templateFunctionExpression);
    // e.g. `directives: [MyDirective]`
    if (directivesUsed.size) {
        const directivesList = literalArr(Array.from(directivesUsed));
        const directivesExpr = compileDeclarationList(directivesList, meta.declarationListEmitMode);
        definitionMap.set('directives', directivesExpr);
    }
    // e.g. `pipes: [MyPipe]`
    if (pipesUsed.size) {
        const pipesList = literalArr(Array.from(pipesUsed));
        const pipesExpr = compileDeclarationList(pipesList, meta.declarationListEmitMode);
        definitionMap.set('pipes', pipesExpr);
    }
    if (meta.encapsulation === null) {
        meta.encapsulation = ViewEncapsulation.Emulated;
    }
    // e.g. `styles: [str1, str2]`
    if (meta.styles && meta.styles.length) {
        const styleValues = meta.encapsulation == ViewEncapsulation.Emulated ?
            compileStyles(meta.styles, CONTENT_ATTR, HOST_ATTR) :
            meta.styles;
        const strings = styleValues.map(str => constantPool.getConstLiteral(literal(str)));
        definitionMap.set('styles', literalArr(strings));
    }
    else if (meta.encapsulation === ViewEncapsulation.Emulated) {
        // If there is no style, don't generate css selectors on elements
        meta.encapsulation = ViewEncapsulation.None;
    }
    // Only set view encapsulation if it's not the default value
    if (meta.encapsulation !== ViewEncapsulation.Emulated) {
        definitionMap.set('encapsulation', literal(meta.encapsulation));
    }
    // e.g. `animation: [trigger('123', [])]`
    if (meta.animations !== null) {
        definitionMap.set('data', literalMap([{ key: 'animation', value: meta.animations, quoted: false }]));
    }
    // Only set the change detection flag if it's defined and it's not the default.
    if (changeDetection != null && changeDetection !== ChangeDetectionStrategy.Default) {
        definitionMap.set('changeDetection', literal(changeDetection));
    }
    const expression = importExpr(Identifiers.defineComponent).callFn([definitionMap.toLiteralMap()], undefined, true);
    const type = createComponentType(meta);
    return { expression, type, statements: [] };
}
/**
 * Creates the type specification from the component meta. This type is inserted into .d.ts files
 * to be consumed by upstream compilations.
 */
function createComponentType(meta) {
    const typeParams = createDirectiveTypeParams(meta);
    typeParams.push(stringArrayAsType(meta.template.ngContentSelectors));
    return expressionType(importExpr(Identifiers.ComponentDeclaration, typeParams));
}
/**
 * Compiles the array literal of declarations into an expression according to the provided emit
 * mode.
 */
function compileDeclarationList(list, mode) {
    switch (mode) {
        case 0 /* Direct */:
            // directives: [MyDir],
            return list;
        case 1 /* Closure */:
            // directives: function () { return [MyDir]; }
            return fn([], [new ReturnStatement(list)]);
        case 2 /* ClosureResolved */:
            // directives: function () { return [MyDir].map(ng.resolveForwardRef); }
            const resolvedList = list.callMethod('map', [importExpr(Identifiers.resolveForwardRef)]);
            return fn([], [new ReturnStatement(resolvedList)]);
    }
}
function prepareQueryParams(query, constantPool) {
    const parameters = [getQueryPredicate(query, constantPool), literal(toQueryFlags(query))];
    if (query.read) {
        parameters.push(query.read);
    }
    return parameters;
}
/**
 * Translates query flags into `TQueryFlags` type in packages/core/src/render3/interfaces/query.ts
 * @param query
 */
function toQueryFlags(query) {
    return (query.descendants ? 1 /* descendants */ : 0 /* none */) |
        (query.static ? 2 /* isStatic */ : 0 /* none */) |
        (query.emitDistinctChangesOnly ? 4 /* emitDistinctChangesOnly */ : 0 /* none */);
}
function convertAttributesToExpressions(attributes) {
    const values = [];
    for (let key of Object.getOwnPropertyNames(attributes)) {
        const value = attributes[key];
        values.push(literal(key), value);
    }
    return values;
}
// Define and update any content queries
function createContentQueriesFunction(queries, constantPool, name) {
    const createStatements = [];
    const updateStatements = [];
    const tempAllocator = temporaryAllocator(updateStatements, TEMPORARY_NAME);
    for (const query of queries) {
        // creation, e.g. r3.contentQuery(dirIndex, somePredicate, true, null);
        createStatements.push(importExpr(Identifiers.contentQuery)
            .callFn([variable('dirIndex'), ...prepareQueryParams(query, constantPool)])
            .toStmt());
        // update, e.g. (r3.queryRefresh(tmp = r3.loadQuery()) && (ctx.someDir = tmp));
        const temporary = tempAllocator();
        const getQueryList = importExpr(Identifiers.loadQuery).callFn([]);
        const refresh = importExpr(Identifiers.queryRefresh).callFn([temporary.set(getQueryList)]);
        const updateDirective = variable(CONTEXT_NAME)
            .prop(query.propertyName)
            .set(query.first ? temporary.prop('first') : temporary);
        updateStatements.push(refresh.and(updateDirective).toStmt());
    }
    const contentQueriesFnName = name ? `${name}_ContentQueries` : null;
    return fn([
        new FnParam(RENDER_FLAGS, NUMBER_TYPE), new FnParam(CONTEXT_NAME, null),
        new FnParam('dirIndex', null)
    ], [
        renderFlagCheckIfStmt(1 /* Create */, createStatements),
        renderFlagCheckIfStmt(2 /* Update */, updateStatements)
    ], INFERRED_TYPE, null, contentQueriesFnName);
}
function stringAsType(str) {
    return expressionType(literal(str));
}
function stringMapAsType(map) {
    const mapValues = Object.keys(map).map(key => {
        const value = Array.isArray(map[key]) ? map[key][0] : map[key];
        return {
            key,
            value: literal(value),
            quoted: true,
        };
    });
    return expressionType(literalMap(mapValues));
}
function stringArrayAsType(arr) {
    return arr.length > 0 ? expressionType(literalArr(arr.map(value => literal(value)))) :
        NONE_TYPE;
}
function createDirectiveTypeParams(meta) {
    // On the type side, remove newlines from the selector as it will need to fit into a TypeScript
    // string literal, which must be on one line.
    const selectorForType = meta.selector !== null ? meta.selector.replace(/\n/g, '') : null;
    return [
        typeWithParameters(meta.type.type, meta.typeArgumentCount),
        selectorForType !== null ? stringAsType(selectorForType) : NONE_TYPE,
        meta.exportAs !== null ? stringArrayAsType(meta.exportAs) : NONE_TYPE,
        stringMapAsType(meta.inputs),
        stringMapAsType(meta.outputs),
        stringArrayAsType(meta.queries.map(q => q.propertyName)),
    ];
}
/**
 * Creates the type specification from the directive meta. This type is inserted into .d.ts files
 * to be consumed by upstream compilations.
 */
function createDirectiveType(meta) {
    const typeParams = createDirectiveTypeParams(meta);
    return expressionType(importExpr(Identifiers.DirectiveDeclaration, typeParams));
}
// Define and update any view queries
function createViewQueriesFunction(viewQueries, constantPool, name) {
    const createStatements = [];
    const updateStatements = [];
    const tempAllocator = temporaryAllocator(updateStatements, TEMPORARY_NAME);
    viewQueries.forEach((query) => {
        // creation, e.g. r3.viewQuery(somePredicate, true);
        const queryDefinition = importExpr(Identifiers.viewQuery).callFn(prepareQueryParams(query, constantPool));
        createStatements.push(queryDefinition.toStmt());
        // update, e.g. (r3.queryRefresh(tmp = r3.loadQuery()) && (ctx.someDir = tmp));
        const temporary = tempAllocator();
        const getQueryList = importExpr(Identifiers.loadQuery).callFn([]);
        const refresh = importExpr(Identifiers.queryRefresh).callFn([temporary.set(getQueryList)]);
        const updateDirective = variable(CONTEXT_NAME)
            .prop(query.propertyName)
            .set(query.first ? temporary.prop('first') : temporary);
        updateStatements.push(refresh.and(updateDirective).toStmt());
    });
    const viewQueryFnName = name ? `${name}_Query` : null;
    return fn([new FnParam(RENDER_FLAGS, NUMBER_TYPE), new FnParam(CONTEXT_NAME, null)], [
        renderFlagCheckIfStmt(1 /* Create */, createStatements),
        renderFlagCheckIfStmt(2 /* Update */, updateStatements)
    ], INFERRED_TYPE, null, viewQueryFnName);
}
// Return a host binding function or null if one is not necessary.
function createHostBindingsFunction(hostBindingsMetadata, typeSourceSpan, bindingParser, constantPool, selector, name, definitionMap) {
    const bindingContext = variable(CONTEXT_NAME);
    const styleBuilder = new StylingBuilder(bindingContext);
    const { styleAttr, classAttr } = hostBindingsMetadata.specialAttributes;
    if (styleAttr !== undefined) {
        styleBuilder.registerStyleAttr(styleAttr);
    }
    if (classAttr !== undefined) {
        styleBuilder.registerClassAttr(classAttr);
    }
    const createStatements = [];
    const updateStatements = [];
    const hostBindingSourceSpan = typeSourceSpan;
    const directiveSummary = metadataAsSummary(hostBindingsMetadata);
    // Calculate host event bindings
    const eventBindings = bindingParser.createDirectiveHostEventAsts(directiveSummary, hostBindingSourceSpan);
    if (eventBindings && eventBindings.length) {
        const listeners = createHostListeners(eventBindings, name);
        createStatements.push(...listeners);
    }
    // Calculate the host property bindings
    const bindings = bindingParser.createBoundHostProperties(directiveSummary, hostBindingSourceSpan);
    const allOtherBindings = [];
    // We need to calculate the total amount of binding slots required by
    // all the instructions together before any value conversions happen.
    // Value conversions may require additional slots for interpolation and
    // bindings with pipes. These calculates happen after this block.
    let totalHostVarsCount = 0;
    bindings && bindings.forEach((binding) => {
        const stylingInputWasSet = styleBuilder.registerInputBasedOnName(binding.name, binding.expression, hostBindingSourceSpan);
        if (stylingInputWasSet) {
            totalHostVarsCount += MIN_STYLING_BINDING_SLOTS_REQUIRED;
        }
        else {
            allOtherBindings.push(binding);
            totalHostVarsCount++;
        }
    });
    let valueConverter;
    const getValueConverter = () => {
        if (!valueConverter) {
            const hostVarsCountFn = (numSlots) => {
                const originalVarsCount = totalHostVarsCount;
                totalHostVarsCount += numSlots;
                return originalVarsCount;
            };
            valueConverter = new ValueConverter(constantPool, () => error('Unexpected node'), // new nodes are illegal here
            hostVarsCountFn, () => error('Unexpected pipe')); // pipes are illegal here
        }
        return valueConverter;
    };
    const propertyBindings = [];
    const attributeBindings = [];
    const syntheticHostBindings = [];
    allOtherBindings.forEach((binding) => {
        // resolve literal arrays and literal objects
        const value = binding.expression.visit(getValueConverter());
        const bindingExpr = bindingFn(bindingContext, value);
        const { bindingName, instruction, isAttribute } = getBindingNameAndInstruction(binding);
        const securityContexts = bindingParser.calcPossibleSecurityContexts(selector, bindingName, isAttribute)
            .filter(context => context !== SecurityContext.NONE);
        let sanitizerFn = null;
        if (securityContexts.length) {
            if (securityContexts.length === 2 &&
                securityContexts.indexOf(SecurityContext.URL) > -1 &&
                securityContexts.indexOf(SecurityContext.RESOURCE_URL) > -1) {
                // Special case for some URL attributes (such as "src" and "href") that may be a part
                // of different security contexts. In this case we use special sanitization function and
                // select the actual sanitizer at runtime based on a tag name that is provided while
                // invoking sanitization function.
                sanitizerFn = importExpr(Identifiers.sanitizeUrlOrResourceUrl);
            }
            else {
                sanitizerFn = resolveSanitizationFn(securityContexts[0], isAttribute);
            }
        }
        const instructionParams = [literal(bindingName), bindingExpr.currValExpr];
        if (sanitizerFn) {
            instructionParams.push(sanitizerFn);
        }
        updateStatements.push(...bindingExpr.stmts);
        if (instruction === Identifiers.hostProperty) {
            propertyBindings.push(instructionParams);
        }
        else if (instruction === Identifiers.attribute) {
            attributeBindings.push(instructionParams);
        }
        else if (instruction === Identifiers.syntheticHostProperty) {
            syntheticHostBindings.push(instructionParams);
        }
        else {
            updateStatements.push(importExpr(instruction).callFn(instructionParams).toStmt());
        }
    });
    if (propertyBindings.length > 0) {
        updateStatements.push(chainedInstruction(Identifiers.hostProperty, propertyBindings).toStmt());
    }
    if (attributeBindings.length > 0) {
        updateStatements.push(chainedInstruction(Identifiers.attribute, attributeBindings).toStmt());
    }
    if (syntheticHostBindings.length > 0) {
        updateStatements.push(chainedInstruction(Identifiers.syntheticHostProperty, syntheticHostBindings).toStmt());
    }
    // since we're dealing with directives/components and both have hostBinding
    // functions, we need to generate a special hostAttrs instruction that deals
    // with both the assignment of styling as well as static attributes to the host
    // element. The instruction below will instruct all initial styling (styling
    // that is inside of a host binding within a directive/component) to be attached
    // to the host element alongside any of the provided host attributes that were
    // collected earlier.
    const hostAttrs = convertAttributesToExpressions(hostBindingsMetadata.attributes);
    styleBuilder.assignHostAttrs(hostAttrs, definitionMap);
    if (styleBuilder.hasBindings) {
        // finally each binding that was registered in the statement above will need to be added to
        // the update block of a component/directive templateFn/hostBindingsFn so that the bindings
        // are evaluated and updated for the element.
        styleBuilder.buildUpdateLevelInstructions(getValueConverter()).forEach(instruction => {
            if (instruction.calls.length > 0) {
                const calls = [];
                instruction.calls.forEach(call => {
                    // we subtract a value of `1` here because the binding slot was already allocated
                    // at the top of this method when all the input bindings were counted.
                    totalHostVarsCount +=
                        Math.max(call.allocateBindingSlots - MIN_STYLING_BINDING_SLOTS_REQUIRED, 0);
                    calls.push(convertStylingCall(call, bindingContext, bindingFn));
                });
                updateStatements.push(chainedInstruction(instruction.reference, calls).toStmt());
            }
        });
    }
    if (totalHostVarsCount) {
        definitionMap.set('hostVars', literal(totalHostVarsCount));
    }
    if (createStatements.length > 0 || updateStatements.length > 0) {
        const hostBindingsFnName = name ? `${name}_HostBindings` : null;
        const statements = [];
        if (createStatements.length > 0) {
            statements.push(renderFlagCheckIfStmt(1 /* Create */, createStatements));
        }
        if (updateStatements.length > 0) {
            statements.push(renderFlagCheckIfStmt(2 /* Update */, updateStatements));
        }
        return fn([new FnParam(RENDER_FLAGS, NUMBER_TYPE), new FnParam(CONTEXT_NAME, null)], statements, INFERRED_TYPE, null, hostBindingsFnName);
    }
    return null;
}
function bindingFn(implicit, value) {
    return convertPropertyBinding(null, implicit, value, 'b', BindingForm.Expression, () => error('Unexpected interpolation'));
}
function convertStylingCall(call, bindingContext, bindingFn) {
    return call.params(value => bindingFn(bindingContext, value).currValExpr);
}
function getBindingNameAndInstruction(binding) {
    let bindingName = binding.name;
    let instruction;
    // Check to see if this is an attr binding or a property binding
    const attrMatches = bindingName.match(ATTR_REGEX);
    if (attrMatches) {
        bindingName = attrMatches[1];
        instruction = Identifiers.attribute;
    }
    else {
        if (binding.isAnimation) {
            bindingName = prepareSyntheticPropertyName(bindingName);
            // host bindings that have a synthetic property (e.g. @foo) should always be rendered
            // in the context of the component and not the parent. Therefore there is a special
            // compatibility instruction available for this purpose.
            instruction = Identifiers.syntheticHostProperty;
        }
        else {
            instruction = Identifiers.hostProperty;
        }
    }
    return { bindingName, instruction, isAttribute: !!attrMatches };
}
function createHostListeners(eventBindings, name) {
    const listeners = [];
    const syntheticListeners = [];
    const instructions = [];
    eventBindings.forEach(binding => {
        let bindingName = binding.name && sanitizeIdentifier(binding.name);
        const bindingFnName = binding.type === 1 /* Animation */ ?
            prepareSyntheticListenerFunctionName(bindingName, binding.targetOrPhase) :
            bindingName;
        const handlerName = name && bindingName ? `${name}_${bindingFnName}_HostBindingHandler` : null;
        const params = prepareEventListenerParameters(BoundEvent.fromParsedEvent(binding), handlerName);
        if (binding.type == 1 /* Animation */) {
            syntheticListeners.push(params);
        }
        else {
            listeners.push(params);
        }
    });
    if (syntheticListeners.length > 0) {
        instructions.push(chainedInstruction(Identifiers.syntheticHostListener, syntheticListeners).toStmt());
    }
    if (listeners.length > 0) {
        instructions.push(chainedInstruction(Identifiers.listener, listeners).toStmt());
    }
    return instructions;
}
function metadataAsSummary(meta) {
    // clang-format off
    return {
        // This is used by the BindingParser, which only deals with listeners and properties. There's no
        // need to pass attributes to it.
        hostAttributes: {},
        hostListeners: meta.listeners,
        hostProperties: meta.properties,
    };
    // clang-format on
}
const HOST_REG_EXP$1 = /^(?:\[([^\]]+)\])|(?:\(([^\)]+)\))$/;
function parseHostBindings(host) {
    const attributes = {};
    const listeners = {};
    const properties = {};
    const specialAttributes = {};
    for (const key of Object.keys(host)) {
        const value = host[key];
        const matches = key.match(HOST_REG_EXP$1);
        if (matches === null) {
            switch (key) {
                case 'class':
                    if (typeof value !== 'string') {
                        // TODO(alxhub): make this a diagnostic.
                        throw new Error(`Class binding must be string`);
                    }
                    specialAttributes.classAttr = value;
                    break;
                case 'style':
                    if (typeof value !== 'string') {
                        // TODO(alxhub): make this a diagnostic.
                        throw new Error(`Style binding must be string`);
                    }
                    specialAttributes.styleAttr = value;
                    break;
                default:
                    if (typeof value === 'string') {
                        attributes[key] = literal(value);
                    }
                    else {
                        attributes[key] = value;
                    }
            }
        }
        else if (matches[1 /* Binding */] != null) {
            if (typeof value !== 'string') {
                // TODO(alxhub): make this a diagnostic.
                throw new Error(`Property binding must be string`);
            }
            // synthetic properties (the ones that have a `@` as a prefix)
            // are still treated the same as regular properties. Therefore
            // there is no point in storing them in a separate map.
            properties[matches[1 /* Binding */]] = value;
        }
        else if (matches[2 /* Event */] != null) {
            if (typeof value !== 'string') {
                // TODO(alxhub): make this a diagnostic.
                throw new Error(`Event binding must be string`);
            }
            listeners[matches[2 /* Event */]] = value;
        }
    }
    return { attributes, listeners, properties, specialAttributes };
}
/**
 * Verifies host bindings and returns the list of errors (if any). Empty array indicates that a
 * given set of host bindings has no errors.
 *
 * @param bindings set of host bindings to verify.
 * @param sourceSpan source span where host bindings were defined.
 * @returns array of errors associated with a given set of host bindings.
 */
function verifyHostBindings(bindings, sourceSpan) {
    const summary = metadataAsSummary(bindings);
    // TODO: abstract out host bindings verification logic and use it instead of
    // creating events and properties ASTs to detect errors (FW-996)
    const bindingParser = makeBindingParser();
    bindingParser.createDirectiveHostEventAsts(summary, sourceSpan);
    bindingParser.createBoundHostProperties(summary, sourceSpan);
    return bindingParser.errors;
}
function compileStyles(styles, selector, hostSelector) {
    const shadowCss = new ShadowCss();
    return styles.map(style => {
        return shadowCss.shimCssText(style, selector, hostSelector);
    });
}

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
/**
 * An interface for retrieving documents by URL that the compiler uses to
 * load templates.
 *
 * This is an abstract class, rather than an interface, so that it can be used
 * as injection token.
 */
class ResourceLoader {
}

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
class CompilerFacadeImpl {
    constructor(jitEvaluator = new JitEvaluator()) {
        this.jitEvaluator = jitEvaluator;
        this.FactoryTarget = FactoryTarget;
        this.ResourceLoader = ResourceLoader;
        this.elementSchemaRegistry = new DomElementSchemaRegistry();
    }
    compilePipe(angularCoreEnv, sourceMapUrl, facade) {
        const metadata = {
            name: facade.name,
            type: wrapReference(facade.type),
            internalType: new WrappedNodeExpr(facade.type),
            typeArgumentCount: 0,
            deps: null,
            pipeName: facade.pipeName,
            pure: facade.pure,
        };
        const res = compilePipeFromMetadata(metadata);
        return this.jitExpression(res.expression, angularCoreEnv, sourceMapUrl, []);
    }
    compilePipeDeclaration(angularCoreEnv, sourceMapUrl, declaration) {
        const meta = convertDeclarePipeFacadeToMetadata(declaration);
        const res = compilePipeFromMetadata(meta);
        return this.jitExpression(res.expression, angularCoreEnv, sourceMapUrl, []);
    }
    compileInjectable(angularCoreEnv, sourceMapUrl, facade) {
        var _a;
        const { expression, statements } = compileInjectable({
            name: facade.name,
            type: wrapReference(facade.type),
            internalType: new WrappedNodeExpr(facade.type),
            typeArgumentCount: facade.typeArgumentCount,
            providedIn: computeProvidedIn(facade.providedIn),
            useClass: convertToProviderExpression(facade, USE_CLASS),
            useFactory: wrapExpression(facade, USE_FACTORY),
            useValue: convertToProviderExpression(facade, USE_VALUE),
            useExisting: convertToProviderExpression(facade, USE_EXISTING),
            deps: (_a = facade.deps) === null || _a === void 0 ? void 0 : _a.map(convertR3DependencyMetadata),
        }, 
        /* resolveForwardRefs */ true);
        return this.jitExpression(expression, angularCoreEnv, sourceMapUrl, statements);
    }
    compileInjectableDeclaration(angularCoreEnv, sourceMapUrl, facade) {
        var _a;
        const { expression, statements } = compileInjectable({
            name: facade.type.name,
            type: wrapReference(facade.type),
            internalType: new WrappedNodeExpr(facade.type),
            typeArgumentCount: 0,
            providedIn: computeProvidedIn(facade.providedIn),
            useClass: convertToProviderExpression(facade, USE_CLASS),
            useFactory: wrapExpression(facade, USE_FACTORY),
            useValue: convertToProviderExpression(facade, USE_VALUE),
            useExisting: convertToProviderExpression(facade, USE_EXISTING),
            deps: (_a = facade.deps) === null || _a === void 0 ? void 0 : _a.map(convertR3DeclareDependencyMetadata),
        }, 
        /* resolveForwardRefs */ true);
        return this.jitExpression(expression, angularCoreEnv, sourceMapUrl, statements);
    }
    compileInjector(angularCoreEnv, sourceMapUrl, facade) {
        const meta = {
            name: facade.name,
            type: wrapReference(facade.type),
            internalType: new WrappedNodeExpr(facade.type),
            providers: new WrappedNodeExpr(facade.providers),
            imports: facade.imports.map(i => new WrappedNodeExpr(i)),
        };
        const res = compileInjector(meta);
        return this.jitExpression(res.expression, angularCoreEnv, sourceMapUrl, []);
    }
    compileInjectorDeclaration(angularCoreEnv, sourceMapUrl, declaration) {
        const meta = convertDeclareInjectorFacadeToMetadata(declaration);
        const res = compileInjector(meta);
        return this.jitExpression(res.expression, angularCoreEnv, sourceMapUrl, []);
    }
    compileNgModule(angularCoreEnv, sourceMapUrl, facade) {
        const meta = {
            type: wrapReference(facade.type),
            internalType: new WrappedNodeExpr(facade.type),
            adjacentType: new WrappedNodeExpr(facade.type),
            bootstrap: facade.bootstrap.map(wrapReference),
            declarations: facade.declarations.map(wrapReference),
            imports: facade.imports.map(wrapReference),
            exports: facade.exports.map(wrapReference),
            emitInline: true,
            containsForwardDecls: false,
            schemas: facade.schemas ? facade.schemas.map(wrapReference) : null,
            id: facade.id ? new WrappedNodeExpr(facade.id) : null,
        };
        const res = compileNgModule(meta);
        return this.jitExpression(res.expression, angularCoreEnv, sourceMapUrl, []);
    }
    compileNgModuleDeclaration(angularCoreEnv, sourceMapUrl, declaration) {
        const expression = compileNgModuleDeclarationExpression(declaration);
        return this.jitExpression(expression, angularCoreEnv, sourceMapUrl, []);
    }
    compileDirective(angularCoreEnv, sourceMapUrl, facade) {
        const meta = convertDirectiveFacadeToMetadata(facade);
        return this.compileDirectiveFromMeta(angularCoreEnv, sourceMapUrl, meta);
    }
    compileDirectiveDeclaration(angularCoreEnv, sourceMapUrl, declaration) {
        const typeSourceSpan = this.createParseSourceSpan('Directive', declaration.type.name, sourceMapUrl);
        const meta = convertDeclareDirectiveFacadeToMetadata(declaration, typeSourceSpan);
        return this.compileDirectiveFromMeta(angularCoreEnv, sourceMapUrl, meta);
    }
    compileDirectiveFromMeta(angularCoreEnv, sourceMapUrl, meta) {
        const constantPool = new ConstantPool();
        const bindingParser = makeBindingParser();
        const res = compileDirectiveFromMetadata(meta, constantPool, bindingParser);
        return this.jitExpression(res.expression, angularCoreEnv, sourceMapUrl, constantPool.statements);
    }
    compileComponent(angularCoreEnv, sourceMapUrl, facade) {
        // Parse the template and check for errors.
        const { template, interpolation } = parseJitTemplate(facade.template, facade.name, sourceMapUrl, facade.preserveWhitespaces, facade.interpolation);
        // Compile the component metadata, including template, into an expression.
        const meta = Object.assign(Object.assign(Object.assign({}, facade), convertDirectiveFacadeToMetadata(facade)), { selector: facade.selector || this.elementSchemaRegistry.getDefaultComponentElementName(), template, declarationListEmitMode: 0 /* Direct */, styles: [...facade.styles, ...template.styles], encapsulation: facade.encapsulation, interpolation, changeDetection: facade.changeDetection, animations: facade.animations != null ? new WrappedNodeExpr(facade.animations) : null, viewProviders: facade.viewProviders != null ? new WrappedNodeExpr(facade.viewProviders) :
                null, relativeContextFilePath: '', i18nUseExternalIds: true });
        const jitExpressionSourceMap = `ng:///${facade.name}.js`;
        return this.compileComponentFromMeta(angularCoreEnv, jitExpressionSourceMap, meta);
    }
    compileComponentDeclaration(angularCoreEnv, sourceMapUrl, declaration) {
        const typeSourceSpan = this.createParseSourceSpan('Component', declaration.type.name, sourceMapUrl);
        const meta = convertDeclareComponentFacadeToMetadata(declaration, typeSourceSpan, sourceMapUrl);
        return this.compileComponentFromMeta(angularCoreEnv, sourceMapUrl, meta);
    }
    compileComponentFromMeta(angularCoreEnv, sourceMapUrl, meta) {
        const constantPool = new ConstantPool();
        const bindingParser = makeBindingParser(meta.interpolation);
        const res = compileComponentFromMetadata(meta, constantPool, bindingParser);
        return this.jitExpression(res.expression, angularCoreEnv, sourceMapUrl, constantPool.statements);
    }
    compileFactory(angularCoreEnv, sourceMapUrl, meta) {
        const factoryRes = compileFactoryFunction({
            name: meta.name,
            type: wrapReference(meta.type),
            internalType: new WrappedNodeExpr(meta.type),
            typeArgumentCount: meta.typeArgumentCount,
            deps: convertR3DependencyMetadataArray(meta.deps),
            target: meta.target,
        });
        return this.jitExpression(factoryRes.expression, angularCoreEnv, sourceMapUrl, factoryRes.statements);
    }
    compileFactoryDeclaration(angularCoreEnv, sourceMapUrl, meta) {
        const factoryRes = compileFactoryFunction({
            name: meta.type.name,
            type: wrapReference(meta.type),
            internalType: new WrappedNodeExpr(meta.type),
            typeArgumentCount: 0,
            deps: meta.deps && meta.deps.map(convertR3DeclareDependencyMetadata),
            target: meta.target,
        });
        return this.jitExpression(factoryRes.expression, angularCoreEnv, sourceMapUrl, factoryRes.statements);
    }
    createParseSourceSpan(kind, typeName, sourceUrl) {
        return r3JitTypeSourceSpan(kind, typeName, sourceUrl);
    }
    /**
     * JIT compiles an expression and returns the result of executing that expression.
     *
     * @param def the definition which will be compiled and executed to get the value to patch
     * @param context an object map of @angular/core symbol names to symbols which will be available
     * in the context of the compiled expression
     * @param sourceUrl a URL to use for the source map of the compiled expression
     * @param preStatements a collection of statements that should be evaluated before the expression.
     */
    jitExpression(def, context, sourceUrl, preStatements) {
        // The ConstantPool may contain Statements which declare variables used in the final expression.
        // Therefore, its statements need to precede the actual JIT operation. The final statement is a
        // declaration of $def which is set to the expression being compiled.
        const statements = [
            ...preStatements,
            new DeclareVarStmt('$def', def, undefined, [StmtModifier.Exported]),
        ];
        const res = this.jitEvaluator.evaluateStatements(sourceUrl, statements, new R3JitReflector(context), /* enableSourceMaps */ true);
        return res['$def'];
    }
}
const USE_CLASS = Object.keys({ useClass: null })[0];
const USE_FACTORY = Object.keys({ useFactory: null })[0];
const USE_VALUE = Object.keys({ useValue: null })[0];
const USE_EXISTING = Object.keys({ useExisting: null })[0];
function convertToR3QueryMetadata(facade) {
    return Object.assign(Object.assign({}, facade), { predicate: Array.isArray(facade.predicate) ? facade.predicate :
            new WrappedNodeExpr(facade.predicate), read: facade.read ? new WrappedNodeExpr(facade.read) : null, static: facade.static, emitDistinctChangesOnly: facade.emitDistinctChangesOnly });
}
function convertQueryDeclarationToMetadata(declaration) {
    var _a, _b, _c, _d;
    return {
        propertyName: declaration.propertyName,
        first: (_a = declaration.first) !== null && _a !== void 0 ? _a : false,
        predicate: Array.isArray(declaration.predicate) ? declaration.predicate :
            new WrappedNodeExpr(declaration.predicate),
        descendants: (_b = declaration.descendants) !== null && _b !== void 0 ? _b : false,
        read: declaration.read ? new WrappedNodeExpr(declaration.read) : null,
        static: (_c = declaration.static) !== null && _c !== void 0 ? _c : false,
        emitDistinctChangesOnly: (_d = declaration.emitDistinctChangesOnly) !== null && _d !== void 0 ? _d : true,
    };
}
function convertDirectiveFacadeToMetadata(facade) {
    const inputsFromMetadata = parseInputOutputs(facade.inputs || []);
    const outputsFromMetadata = parseInputOutputs(facade.outputs || []);
    const propMetadata = facade.propMetadata;
    const inputsFromType = {};
    const outputsFromType = {};
    for (const field in propMetadata) {
        if (propMetadata.hasOwnProperty(field)) {
            propMetadata[field].forEach(ann => {
                if (isInput(ann)) {
                    inputsFromType[field] =
                        ann.bindingPropertyName ? [ann.bindingPropertyName, field] : field;
                }
                else if (isOutput(ann)) {
                    outputsFromType[field] = ann.bindingPropertyName || field;
                }
            });
        }
    }
    return Object.assign(Object.assign({}, facade), { typeArgumentCount: 0, typeSourceSpan: facade.typeSourceSpan, type: wrapReference(facade.type), internalType: new WrappedNodeExpr(facade.type), deps: null, host: extractHostBindings(facade.propMetadata, facade.typeSourceSpan, facade.host), inputs: Object.assign(Object.assign({}, inputsFromMetadata), inputsFromType), outputs: Object.assign(Object.assign({}, outputsFromMetadata), outputsFromType), queries: facade.queries.map(convertToR3QueryMetadata), providers: facade.providers != null ? new WrappedNodeExpr(facade.providers) : null, viewQueries: facade.viewQueries.map(convertToR3QueryMetadata), fullInheritance: false });
}
function convertDeclareDirectiveFacadeToMetadata(declaration, typeSourceSpan) {
    var _a, _b, _c, _d, _e, _f, _g, _h;
    return {
        name: declaration.type.name,
        type: wrapReference(declaration.type),
        typeSourceSpan,
        internalType: new WrappedNodeExpr(declaration.type),
        selector: (_a = declaration.selector) !== null && _a !== void 0 ? _a : null,
        inputs: (_b = declaration.inputs) !== null && _b !== void 0 ? _b : {},
        outputs: (_c = declaration.outputs) !== null && _c !== void 0 ? _c : {},
        host: convertHostDeclarationToMetadata(declaration.host),
        queries: ((_d = declaration.queries) !== null && _d !== void 0 ? _d : []).map(convertQueryDeclarationToMetadata),
        viewQueries: ((_e = declaration.viewQueries) !== null && _e !== void 0 ? _e : []).map(convertQueryDeclarationToMetadata),
        providers: declaration.providers !== undefined ? new WrappedNodeExpr(declaration.providers) :
            null,
        exportAs: (_f = declaration.exportAs) !== null && _f !== void 0 ? _f : null,
        usesInheritance: (_g = declaration.usesInheritance) !== null && _g !== void 0 ? _g : false,
        lifecycle: { usesOnChanges: (_h = declaration.usesOnChanges) !== null && _h !== void 0 ? _h : false },
        deps: null,
        typeArgumentCount: 0,
        fullInheritance: false,
    };
}
function convertHostDeclarationToMetadata(host = {}) {
    var _a, _b, _c;
    return {
        attributes: convertOpaqueValuesToExpressions((_a = host.attributes) !== null && _a !== void 0 ? _a : {}),
        listeners: (_b = host.listeners) !== null && _b !== void 0 ? _b : {},
        properties: (_c = host.properties) !== null && _c !== void 0 ? _c : {},
        specialAttributes: {
            classAttr: host.classAttribute,
            styleAttr: host.styleAttribute,
        },
    };
}
function convertOpaqueValuesToExpressions(obj) {
    const result = {};
    for (const key of Object.keys(obj)) {
        result[key] = new WrappedNodeExpr(obj[key]);
    }
    return result;
}
function convertDeclareComponentFacadeToMetadata(declaration, typeSourceSpan, sourceMapUrl) {
    var _a, _b, _c, _d, _e, _f;
    const { template, interpolation } = parseJitTemplate(declaration.template, declaration.type.name, sourceMapUrl, (_a = declaration.preserveWhitespaces) !== null && _a !== void 0 ? _a : false, declaration.interpolation);
    return Object.assign(Object.assign({}, convertDeclareDirectiveFacadeToMetadata(declaration, typeSourceSpan)), { template, styles: (_b = declaration.styles) !== null && _b !== void 0 ? _b : [], directives: ((_c = declaration.components) !== null && _c !== void 0 ? _c : [])
            .concat((_d = declaration.directives) !== null && _d !== void 0 ? _d : [])
            .map(convertUsedDirectiveDeclarationToMetadata), pipes: convertUsedPipesToMetadata(declaration.pipes), viewProviders: declaration.viewProviders !== undefined ?
            new WrappedNodeExpr(declaration.viewProviders) :
            null, animations: declaration.animations !== undefined ? new WrappedNodeExpr(declaration.animations) :
            null, changeDetection: (_e = declaration.changeDetection) !== null && _e !== void 0 ? _e : ChangeDetectionStrategy.Default, encapsulation: (_f = declaration.encapsulation) !== null && _f !== void 0 ? _f : ViewEncapsulation.Emulated, interpolation, declarationListEmitMode: 2 /* ClosureResolved */, relativeContextFilePath: '', i18nUseExternalIds: true });
}
function convertUsedDirectiveDeclarationToMetadata(declaration) {
    var _a, _b, _c;
    return {
        selector: declaration.selector,
        type: new WrappedNodeExpr(declaration.type),
        inputs: (_a = declaration.inputs) !== null && _a !== void 0 ? _a : [],
        outputs: (_b = declaration.outputs) !== null && _b !== void 0 ? _b : [],
        exportAs: (_c = declaration.exportAs) !== null && _c !== void 0 ? _c : null,
    };
}
function convertUsedPipesToMetadata(declaredPipes) {
    const pipes = new Map();
    if (declaredPipes === undefined) {
        return pipes;
    }
    for (const pipeName of Object.keys(declaredPipes)) {
        const pipeType = declaredPipes[pipeName];
        pipes.set(pipeName, new WrappedNodeExpr(pipeType));
    }
    return pipes;
}
function parseJitTemplate(template, typeName, sourceMapUrl, preserveWhitespaces, interpolation) {
    const interpolationConfig = interpolation ? InterpolationConfig.fromArray(interpolation) : DEFAULT_INTERPOLATION_CONFIG;
    // Parse the template and check for errors.
    const parsed = parseTemplate(template, sourceMapUrl, { preserveWhitespaces: preserveWhitespaces, interpolationConfig });
    if (parsed.errors !== null) {
        const errors = parsed.errors.map(err => err.toString()).join(', ');
        throw new Error(`Errors during JIT compilation of template for ${typeName}: ${errors}`);
    }
    return { template: parsed, interpolation: interpolationConfig };
}
/**
 * Convert the expression, if present to an `R3ProviderExpression`.
 *
 * In JIT mode we do not want the compiler to wrap the expression in a `forwardRef()` call because,
 * if it is referencing a type that has not yet been defined, it will have already been wrapped in
 * a `forwardRef()` - either by the application developer or during partial-compilation. Thus we can
 * set `isForwardRef` to `false`.
 */
function convertToProviderExpression(obj, property) {
    if (obj.hasOwnProperty(property)) {
        return createR3ProviderExpression(new WrappedNodeExpr(obj[property]), /* isForwardRef */ false);
    }
    else {
        return undefined;
    }
}
function wrapExpression(obj, property) {
    if (obj.hasOwnProperty(property)) {
        return new WrappedNodeExpr(obj[property]);
    }
    else {
        return undefined;
    }
}
function computeProvidedIn(providedIn) {
    const expression = (providedIn == null || typeof providedIn === 'string') ?
        new LiteralExpr(providedIn !== null && providedIn !== void 0 ? providedIn : null) :
        new WrappedNodeExpr(providedIn);
    // See `convertToProviderExpression()` for why `isForwardRef` is false.
    return createR3ProviderExpression(expression, /* isForwardRef */ false);
}
function convertR3DependencyMetadataArray(facades) {
    return facades == null ? null : facades.map(convertR3DependencyMetadata);
}
function convertR3DependencyMetadata(facade) {
    const isAttributeDep = facade.attribute != null; // both `null` and `undefined`
    const rawToken = facade.token === null ? null : new WrappedNodeExpr(facade.token);
    // In JIT mode, if the dep is an `@Attribute()` then we use the attribute name given in
    // `attribute` rather than the `token`.
    const token = isAttributeDep ? new WrappedNodeExpr(facade.attribute) : rawToken;
    return createR3DependencyMetadata(token, isAttributeDep, facade.host, facade.optional, facade.self, facade.skipSelf);
}
function convertR3DeclareDependencyMetadata(facade) {
    var _a, _b, _c, _d, _e;
    const isAttributeDep = (_a = facade.attribute) !== null && _a !== void 0 ? _a : false;
    const token = facade.token === null ? null : new WrappedNodeExpr(facade.token);
    return createR3DependencyMetadata(token, isAttributeDep, (_b = facade.host) !== null && _b !== void 0 ? _b : false, (_c = facade.optional) !== null && _c !== void 0 ? _c : false, (_d = facade.self) !== null && _d !== void 0 ? _d : false, (_e = facade.skipSelf) !== null && _e !== void 0 ? _e : false);
}
function createR3DependencyMetadata(token, isAttributeDep, host, optional, self, skipSelf) {
    // If the dep is an `@Attribute()` the `attributeNameType` ought to be the `unknown` type.
    // But types are not available at runtime so we just use a literal `"<unknown>"` string as a dummy
    // marker.
    const attributeNameType = isAttributeDep ? literal('unknown') : null;
    return { token, attributeNameType, host, optional, self, skipSelf };
}
function extractHostBindings(propMetadata, sourceSpan, host) {
    // First parse the declarations from the metadata.
    const bindings = parseHostBindings(host || {});
    // After that check host bindings for errors
    const errors = verifyHostBindings(bindings, sourceSpan);
    if (errors.length) {
        throw new Error(errors.map((error) => error.msg).join('\n'));
    }
    // Next, loop over the properties of the object, looking for @HostBinding and @HostListener.
    for (const field in propMetadata) {
        if (propMetadata.hasOwnProperty(field)) {
            propMetadata[field].forEach(ann => {
                if (isHostBinding(ann)) {
                    // Since this is a decorator, we know that the value is a class member. Always access it
                    // through `this` so that further down the line it can't be confused for a literal value
                    // (e.g. if there's a property called `true`).
                    bindings.properties[ann.hostPropertyName || field] =
                        getSafePropertyAccessString('this', field);
                }
                else if (isHostListener(ann)) {
                    bindings.listeners[ann.eventName || field] = `${field}(${(ann.args || []).join(',')})`;
                }
            });
        }
    }
    return bindings;
}
function isHostBinding(value) {
    return value.ngMetadataName === 'HostBinding';
}
function isHostListener(value) {
    return value.ngMetadataName === 'HostListener';
}
function isInput(value) {
    return value.ngMetadataName === 'Input';
}
function isOutput(value) {
    return value.ngMetadataName === 'Output';
}
function parseInputOutputs(values) {
    return values.reduce((map, value) => {
        const [field, property] = value.split(',').map(piece => piece.trim());
        map[field] = property || field;
        return map;
    }, {});
}
function convertDeclarePipeFacadeToMetadata(declaration) {
    var _a;
    return {
        name: declaration.type.name,
        type: wrapReference(declaration.type),
        internalType: new WrappedNodeExpr(declaration.type),
        typeArgumentCount: 0,
        pipeName: declaration.name,
        deps: null,
        pure: (_a = declaration.pure) !== null && _a !== void 0 ? _a : true,
    };
}
function convertDeclareInjectorFacadeToMetadata(declaration) {
    return {
        name: declaration.type.name,
        type: wrapReference(declaration.type),
        internalType: new WrappedNodeExpr(declaration.type),
        providers: declaration.providers !== undefined ? new WrappedNodeExpr(declaration.providers) :
            null,
        imports: declaration.imports !== undefined ?
            declaration.imports.map(i => new WrappedNodeExpr(i)) :
            [],
    };
}
function publishFacade(global) {
    const ng = global.ng || (global.ng = {});
    ng.ɵcompilerFacade = new CompilerFacadeImpl();
}

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
const VERSION$1 = new Version('12.1.5');

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
class CompilerConfig {
    constructor({ defaultEncapsulation = ViewEncapsulation.Emulated, useJit = true, jitDevMode = false, missingTranslation = null, preserveWhitespaces, strictInjectionParameters } = {}) {
        this.defaultEncapsulation = defaultEncapsulation;
        this.useJit = !!useJit;
        this.jitDevMode = !!jitDevMode;
        this.missingTranslation = missingTranslation;
        this.preserveWhitespaces = preserveWhitespacesDefault(noUndefined(preserveWhitespaces));
        this.strictInjectionParameters = strictInjectionParameters === true;
    }
}
function preserveWhitespacesDefault(preserveWhitespacesOption, defaultSetting = false) {
    return preserveWhitespacesOption === null ? defaultSetting : preserveWhitespacesOption;
}

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
class DirectiveNormalizer {
    constructor(_resourceLoader, _urlResolver, _htmlParser, _config) {
        this._resourceLoader = _resourceLoader;
        this._urlResolver = _urlResolver;
        this._htmlParser = _htmlParser;
        this._config = _config;
        this._resourceLoaderCache = new Map();
    }
    clearCache() {
        this._resourceLoaderCache.clear();
    }
    clearCacheFor(normalizedDirective) {
        if (!normalizedDirective.isComponent) {
            return;
        }
        const template = normalizedDirective.template;
        this._resourceLoaderCache.delete(template.templateUrl);
        template.externalStylesheets.forEach((stylesheet) => {
            this._resourceLoaderCache.delete(stylesheet.moduleUrl);
        });
    }
    _fetch(url) {
        let result = this._resourceLoaderCache.get(url);
        if (!result) {
            result = this._resourceLoader.get(url);
            this._resourceLoaderCache.set(url, result);
        }
        return result;
    }
    normalizeTemplate(prenormData) {
        if (isDefined(prenormData.template)) {
            if (isDefined(prenormData.templateUrl)) {
                throw syntaxError(`'${stringify(prenormData
                    .componentType)}' component cannot define both template and templateUrl`);
            }
            if (typeof prenormData.template !== 'string') {
                throw syntaxError(`The template specified for component ${stringify(prenormData.componentType)} is not a string`);
            }
        }
        else if (isDefined(prenormData.templateUrl)) {
            if (typeof prenormData.templateUrl !== 'string') {
                throw syntaxError(`The templateUrl specified for component ${stringify(prenormData.componentType)} is not a string`);
            }
        }
        else {
            throw syntaxError(`No template specified for component ${stringify(prenormData.componentType)}`);
        }
        if (isDefined(prenormData.preserveWhitespaces) &&
            typeof prenormData.preserveWhitespaces !== 'boolean') {
            throw syntaxError(`The preserveWhitespaces option for component ${stringify(prenormData.componentType)} must be a boolean`);
        }
        return SyncAsync.then(this._preParseTemplate(prenormData), (preparsedTemplate) => this._normalizeTemplateMetadata(prenormData, preparsedTemplate));
    }
    _preParseTemplate(prenomData) {
        let template;
        let templateUrl;
        if (prenomData.template != null) {
            template = prenomData.template;
            templateUrl = prenomData.moduleUrl;
        }
        else {
            templateUrl = this._urlResolver.resolve(prenomData.moduleUrl, prenomData.templateUrl);
            template = this._fetch(templateUrl);
        }
        return SyncAsync.then(template, (template) => this._preparseLoadedTemplate(prenomData, template, templateUrl));
    }
    _preparseLoadedTemplate(prenormData, template, templateAbsUrl) {
        const isInline = !!prenormData.template;
        const interpolationConfig = InterpolationConfig.fromArray(prenormData.interpolation);
        const templateUrl = templateSourceUrl({ reference: prenormData.ngModuleType }, { type: { reference: prenormData.componentType } }, { isInline, templateUrl: templateAbsUrl });
        const rootNodesAndErrors = this._htmlParser.parse(template, templateUrl, { tokenizeExpansionForms: true, interpolationConfig });
        if (rootNodesAndErrors.errors.length > 0) {
            const errorString = rootNodesAndErrors.errors.join('\n');
            throw syntaxError(`Template parse errors:\n${errorString}`);
        }
        const templateMetadataStyles = this._normalizeStylesheet(new CompileStylesheetMetadata({ styles: prenormData.styles, moduleUrl: prenormData.moduleUrl }));
        const visitor = new TemplatePreparseVisitor();
        visitAll$1(visitor, rootNodesAndErrors.rootNodes);
        const templateStyles = this._normalizeStylesheet(new CompileStylesheetMetadata({ styles: visitor.styles, styleUrls: visitor.styleUrls, moduleUrl: templateAbsUrl }));
        const styles = templateMetadataStyles.styles.concat(templateStyles.styles);
        const inlineStyleUrls = templateMetadataStyles.styleUrls.concat(templateStyles.styleUrls);
        const styleUrls = this
            ._normalizeStylesheet(new CompileStylesheetMetadata({ styleUrls: prenormData.styleUrls, moduleUrl: prenormData.moduleUrl }))
            .styleUrls;
        return {
            template,
            templateUrl: templateAbsUrl,
            isInline,
            htmlAst: rootNodesAndErrors,
            styles,
            inlineStyleUrls,
            styleUrls,
            ngContentSelectors: visitor.ngContentSelectors,
        };
    }
    _normalizeTemplateMetadata(prenormData, preparsedTemplate) {
        return SyncAsync.then(this._loadMissingExternalStylesheets(preparsedTemplate.styleUrls.concat(preparsedTemplate.inlineStyleUrls)), (externalStylesheets) => this._normalizeLoadedTemplateMetadata(prenormData, preparsedTemplate, externalStylesheets));
    }
    _normalizeLoadedTemplateMetadata(prenormData, preparsedTemplate, stylesheets) {
        // Algorithm:
        // - produce exactly 1 entry per original styleUrl in
        // CompileTemplateMetadata.externalStylesheets with all styles inlined
        // - inline all styles that are referenced by the template into CompileTemplateMetadata.styles.
        // Reason: be able to determine how many stylesheets there are even without loading
        // the template nor the stylesheets, so we can create a stub for TypeScript always synchronously
        // (as resource loading may be async)
        const styles = [...preparsedTemplate.styles];
        this._inlineStyles(preparsedTemplate.inlineStyleUrls, stylesheets, styles);
        const styleUrls = preparsedTemplate.styleUrls;
        const externalStylesheets = styleUrls.map(styleUrl => {
            const stylesheet = stylesheets.get(styleUrl);
            const styles = [...stylesheet.styles];
            this._inlineStyles(stylesheet.styleUrls, stylesheets, styles);
            return new CompileStylesheetMetadata({ moduleUrl: styleUrl, styles: styles });
        });
        let encapsulation = prenormData.encapsulation;
        if (encapsulation == null) {
            encapsulation = this._config.defaultEncapsulation;
        }
        if (encapsulation === ViewEncapsulation.Emulated && styles.length === 0 &&
            styleUrls.length === 0) {
            encapsulation = ViewEncapsulation.None;
        }
        return new CompileTemplateMetadata({
            encapsulation,
            template: preparsedTemplate.template,
            templateUrl: preparsedTemplate.templateUrl,
            htmlAst: preparsedTemplate.htmlAst,
            styles,
            styleUrls,
            ngContentSelectors: preparsedTemplate.ngContentSelectors,
            animations: prenormData.animations,
            interpolation: prenormData.interpolation,
            isInline: preparsedTemplate.isInline,
            externalStylesheets,
            preserveWhitespaces: preserveWhitespacesDefault(prenormData.preserveWhitespaces, this._config.preserveWhitespaces),
        });
    }
    _inlineStyles(styleUrls, stylesheets, targetStyles) {
        styleUrls.forEach(styleUrl => {
            const stylesheet = stylesheets.get(styleUrl);
            stylesheet.styles.forEach(style => targetStyles.push(style));
            this._inlineStyles(stylesheet.styleUrls, stylesheets, targetStyles);
        });
    }
    _loadMissingExternalStylesheets(styleUrls, loadedStylesheets = new Map()) {
        return SyncAsync.then(SyncAsync.all(styleUrls.filter((styleUrl) => !loadedStylesheets.has(styleUrl))
            .map(styleUrl => SyncAsync.then(this._fetch(styleUrl), (loadedStyle) => {
            const stylesheet = this._normalizeStylesheet(new CompileStylesheetMetadata({ styles: [loadedStyle], moduleUrl: styleUrl }));
            loadedStylesheets.set(styleUrl, stylesheet);
            return this._loadMissingExternalStylesheets(stylesheet.styleUrls, loadedStylesheets);
        }))), (_) => loadedStylesheets);
    }
    _normalizeStylesheet(stylesheet) {
        const moduleUrl = stylesheet.moduleUrl;
        const allStyleUrls = stylesheet.styleUrls.filter(isStyleUrlResolvable)
            .map(url => this._urlResolver.resolve(moduleUrl, url));
        const allStyles = stylesheet.styles.map(style => {
            const styleWithImports = extractStyleUrls(this._urlResolver, moduleUrl, style);
            allStyleUrls.push(...styleWithImports.styleUrls);
            return styleWithImports.style;
        });
        return new CompileStylesheetMetadata({ styles: allStyles, styleUrls: allStyleUrls, moduleUrl: moduleUrl });
    }
}
class TemplatePreparseVisitor {
    constructor() {
        this.ngContentSelectors = [];
        this.styles = [];
        this.styleUrls = [];
        this.ngNonBindableStackCount = 0;
    }
    visitElement(ast, context) {
        const preparsedElement = preparseElement(ast);
        switch (preparsedElement.type) {
            case PreparsedElementType.NG_CONTENT:
                if (this.ngNonBindableStackCount === 0) {
                    this.ngContentSelectors.push(preparsedElement.selectAttr);
                }
                break;
            case PreparsedElementType.STYLE:
                let textContent = '';
                ast.children.forEach(child => {
                    if (child instanceof Text$3) {
                        textContent += child.value;
                    }
                });
                this.styles.push(textContent);
                break;
            case PreparsedElementType.STYLESHEET:
                this.styleUrls.push(preparsedElement.hrefAttr);
                break;
            default:
                break;
        }
        if (preparsedElement.nonBindable) {
            this.ngNonBindableStackCount++;
        }
        visitAll$1(this, ast.children);
        if (preparsedElement.nonBindable) {
            this.ngNonBindableStackCount--;
        }
        return null;
    }
    visitExpansion(ast, context) {
        visitAll$1(this, ast.cases);
    }
    visitExpansionCase(ast, context) {
        visitAll$1(this, ast.expression);
    }
    visitComment(ast, context) {
        return null;
    }
    visitAttribute(ast, context) {
        return null;
    }
    visitText(ast, context) {
        return null;
    }
}

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
const QUERY_METADATA_IDENTIFIERS = [
    createViewChild,
    createViewChildren,
    createContentChild,
    createContentChildren,
];
/*
 * Resolve a `Type` for {@link Directive}.
 *
 * This interface can be overridden by the application developer to create custom behavior.
 *
 * See {@link Compiler}
 */
class DirectiveResolver {
    constructor(_reflector) {
        this._reflector = _reflector;
    }
    isDirective(type) {
        const typeMetadata = this._reflector.annotations(resolveForwardRef(type));
        return typeMetadata && typeMetadata.some(isDirectiveMetadata);
    }
    resolve(type, throwIfNotFound = true) {
        const typeMetadata = this._reflector.annotations(resolveForwardRef(type));
        if (typeMetadata) {
            const metadata = findLast(typeMetadata, isDirectiveMetadata);
            if (metadata) {
                const propertyMetadata = this._reflector.propMetadata(type);
                const guards = this._reflector.guards(type);
                return this._mergeWithPropertyMetadata(metadata, propertyMetadata, guards, type);
            }
        }
        if (throwIfNotFound) {
            throw new Error(`No Directive annotation found on ${stringify(type)}`);
        }
        return null;
    }
    _mergeWithPropertyMetadata(dm, propertyMetadata, guards, directiveType) {
        const inputs = [];
        const outputs = [];
        const host = {};
        const queries = {};
        Object.keys(propertyMetadata).forEach((propName) => {
            const input = findLast(propertyMetadata[propName], (a) => createInput.isTypeOf(a));
            if (input) {
                if (input.bindingPropertyName) {
                    inputs.push(`${propName}: ${input.bindingPropertyName}`);
                }
                else {
                    inputs.push(propName);
                }
            }
            const output = findLast(propertyMetadata[propName], (a) => createOutput.isTypeOf(a));
            if (output) {
                if (output.bindingPropertyName) {
                    outputs.push(`${propName}: ${output.bindingPropertyName}`);
                }
                else {
                    outputs.push(propName);
                }
            }
            const hostBindings = propertyMetadata[propName].filter(a => createHostBinding.isTypeOf(a));
            hostBindings.forEach(hostBinding => {
                if (hostBinding.hostPropertyName) {
                    const startWith = hostBinding.hostPropertyName[0];
                    if (startWith === '(') {
                        throw new Error(`@HostBinding can not bind to events. Use @HostListener instead.`);
                    }
                    else if (startWith === '[') {
                        throw new Error(`@HostBinding parameter should be a property name, 'class.<name>', or 'attr.<name>'.`);
                    }
                    host[`[${hostBinding.hostPropertyName}]`] = propName;
                }
                else {
                    host[`[${propName}]`] = propName;
                }
            });
            const hostListeners = propertyMetadata[propName].filter(a => createHostListener.isTypeOf(a));
            hostListeners.forEach(hostListener => {
                const args = hostListener.args || [];
                host[`(${hostListener.eventName})`] = `${propName}(${args.join(',')})`;
            });
            const query = findLast(propertyMetadata[propName], (a) => QUERY_METADATA_IDENTIFIERS.some(i => i.isTypeOf(a)));
            if (query) {
                queries[propName] = query;
            }
        });
        return this._merge(dm, inputs, outputs, host, queries, guards, directiveType);
    }
    _extractPublicName(def) {
        return splitAtColon(def, [null, def])[1].trim();
    }
    _dedupeBindings(bindings) {
        const names = new Set();
        const publicNames = new Set();
        const reversedResult = [];
        // go last to first to allow later entries to overwrite previous entries
        for (let i = bindings.length - 1; i >= 0; i--) {
            const binding = bindings[i];
            const name = this._extractPublicName(binding);
            publicNames.add(name);
            if (!names.has(name)) {
                names.add(name);
                reversedResult.push(binding);
            }
        }
        return reversedResult.reverse();
    }
    _merge(directive, inputs, outputs, host, queries, guards, directiveType) {
        const mergedInputs = this._dedupeBindings(directive.inputs ? directive.inputs.concat(inputs) : inputs);
        const mergedOutputs = this._dedupeBindings(directive.outputs ? directive.outputs.concat(outputs) : outputs);
        const mergedHost = directive.host ? Object.assign(Object.assign({}, directive.host), host) : host;
        const mergedQueries = directive.queries ? Object.assign(Object.assign({}, directive.queries), queries) : queries;
        if (createComponent.isTypeOf(directive)) {
            const comp = directive;
            return createComponent({
                selector: comp.selector,
                inputs: mergedInputs,
                outputs: mergedOutputs,
                host: mergedHost,
                exportAs: comp.exportAs,
                moduleId: comp.moduleId,
                queries: mergedQueries,
                changeDetection: comp.changeDetection,
                providers: comp.providers,
                viewProviders: comp.viewProviders,
                entryComponents: comp.entryComponents,
                template: comp.template,
                templateUrl: comp.templateUrl,
                styles: comp.styles,
                styleUrls: comp.styleUrls,
                encapsulation: comp.encapsulation,
                animations: comp.animations,
                interpolation: comp.interpolation,
                preserveWhitespaces: directive.preserveWhitespaces,
            });
        }
        else {
            return createDirective({
                selector: directive.selector,
                inputs: mergedInputs,
                outputs: mergedOutputs,
                host: mergedHost,
                exportAs: directive.exportAs,
                queries: mergedQueries,
                providers: directive.providers,
                guards
            });
        }
    }
}
function isDirectiveMetadata(type) {
    return createDirective.isTypeOf(type) || createComponent.isTypeOf(type);
}
function findLast(arr, condition) {
    for (let i = arr.length - 1; i >= 0; i--) {
        if (condition(arr[i])) {
            return arr[i];
        }
    }
    return null;
}

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
const _I18N_ATTR = 'i18n';
const _I18N_ATTR_PREFIX = 'i18n-';
const _I18N_COMMENT_PREFIX_REGEXP = /^i18n:?/;
const MEANING_SEPARATOR = '|';
const ID_SEPARATOR = '@@';
let i18nCommentsWarned = false;
/**
 * Extract translatable messages from an html AST
 */
function extractMessages(nodes, interpolationConfig, implicitTags, implicitAttrs) {
    const visitor = new _Visitor$2(implicitTags, implicitAttrs);
    return visitor.extract(nodes, interpolationConfig);
}
function mergeTranslations(nodes, translations, interpolationConfig, implicitTags, implicitAttrs) {
    const visitor = new _Visitor$2(implicitTags, implicitAttrs);
    return visitor.merge(nodes, translations, interpolationConfig);
}
class ExtractionResult {
    constructor(messages, errors) {
        this.messages = messages;
        this.errors = errors;
    }
}
var _VisitorMode;
(function (_VisitorMode) {
    _VisitorMode[_VisitorMode["Extract"] = 0] = "Extract";
    _VisitorMode[_VisitorMode["Merge"] = 1] = "Merge";
})(_VisitorMode || (_VisitorMode = {}));
/**
 * This Visitor is used:
 * 1. to extract all the translatable strings from an html AST (see `extract()`),
 * 2. to replace the translatable strings with the actual translations (see `merge()`)
 *
 * @internal
 */
class _Visitor$2 {
    constructor(_implicitTags, _implicitAttrs) {
        this._implicitTags = _implicitTags;
        this._implicitAttrs = _implicitAttrs;
    }
    /**
     * Extracts the messages from the tree
     */
    extract(nodes, interpolationConfig) {
        this._init(_VisitorMode.Extract, interpolationConfig);
        nodes.forEach(node => node.visit(this, null));
        if (this._inI18nBlock) {
            this._reportError(nodes[nodes.length - 1], 'Unclosed block');
        }
        return new ExtractionResult(this._messages, this._errors);
    }
    /**
     * Returns a tree where all translatable nodes are translated
     */
    merge(nodes, translations, interpolationConfig) {
        this._init(_VisitorMode.Merge, interpolationConfig);
        this._translations = translations;
        // Construct a single fake root element
        const wrapper = new Element$1('wrapper', [], nodes, undefined, undefined, undefined);
        const translatedNode = wrapper.visit(this, null);
        if (this._inI18nBlock) {
            this._reportError(nodes[nodes.length - 1], 'Unclosed block');
        }
        return new ParseTreeResult(translatedNode.children, this._errors);
    }
    visitExpansionCase(icuCase, context) {
        // Parse cases for translatable html attributes
        const expression = visitAll$1(this, icuCase.expression, context);
        if (this._mode === _VisitorMode.Merge) {
            return new ExpansionCase(icuCase.value, expression, icuCase.sourceSpan, icuCase.valueSourceSpan, icuCase.expSourceSpan);
        }
    }
    visitExpansion(icu, context) {
        this._mayBeAddBlockChildren(icu);
        const wasInIcu = this._inIcu;
        if (!this._inIcu) {
            // nested ICU messages should not be extracted but top-level translated as a whole
            if (this._isInTranslatableSection) {
                this._addMessage([icu]);
            }
            this._inIcu = true;
        }
        const cases = visitAll$1(this, icu.cases, context);
        if (this._mode === _VisitorMode.Merge) {
            icu = new Expansion(icu.switchValue, icu.type, cases, icu.sourceSpan, icu.switchValueSourceSpan);
        }
        this._inIcu = wasInIcu;
        return icu;
    }
    visitComment(comment, context) {
        const isOpening = _isOpeningComment(comment);
        if (isOpening && this._isInTranslatableSection) {
            this._reportError(comment, 'Could not start a block inside a translatable section');
            return;
        }
        const isClosing = _isClosingComment(comment);
        if (isClosing && !this._inI18nBlock) {
            this._reportError(comment, 'Trying to close an unopened block');
            return;
        }
        if (!this._inI18nNode && !this._inIcu) {
            if (!this._inI18nBlock) {
                if (isOpening) {
                    // deprecated from v5 you should use <ng-container i18n> instead of i18n comments
                    if (!i18nCommentsWarned && console && console.warn) {
                        i18nCommentsWarned = true;
                        const details = comment.sourceSpan.details ? `, ${comment.sourceSpan.details}` : '';
                        // TODO(ocombe): use a log service once there is a public one available
                        console.warn(`I18n comments are deprecated, use an <ng-container> element instead (${comment.sourceSpan.start}${details})`);
                    }
                    this._inI18nBlock = true;
                    this._blockStartDepth = this._depth;
                    this._blockChildren = [];
                    this._blockMeaningAndDesc =
                        comment.value.replace(_I18N_COMMENT_PREFIX_REGEXP, '').trim();
                    this._openTranslatableSection(comment);
                }
            }
            else {
                if (isClosing) {
                    if (this._depth == this._blockStartDepth) {
                        this._closeTranslatableSection(comment, this._blockChildren);
                        this._inI18nBlock = false;
                        const message = this._addMessage(this._blockChildren, this._blockMeaningAndDesc);
                        // merge attributes in sections
                        const nodes = this._translateMessage(comment, message);
                        return visitAll$1(this, nodes);
                    }
                    else {
                        this._reportError(comment, 'I18N blocks should not cross element boundaries');
                        return;
                    }
                }
            }
        }
    }
    visitText(text, context) {
        if (this._isInTranslatableSection) {
            this._mayBeAddBlockChildren(text);
        }
        return text;
    }
    visitElement(el, context) {
        this._mayBeAddBlockChildren(el);
        this._depth++;
        const wasInI18nNode = this._inI18nNode;
        const wasInImplicitNode = this._inImplicitNode;
        let childNodes = [];
        let translatedChildNodes = undefined;
        // Extract:
        // - top level nodes with the (implicit) "i18n" attribute if not already in a section
        // - ICU messages
        const i18nAttr = _getI18nAttr(el);
        const i18nMeta = i18nAttr ? i18nAttr.value : '';
        const isImplicit = this._implicitTags.some(tag => el.name === tag) && !this._inIcu &&
            !this._isInTranslatableSection;
        const isTopLevelImplicit = !wasInImplicitNode && isImplicit;
        this._inImplicitNode = wasInImplicitNode || isImplicit;
        if (!this._isInTranslatableSection && !this._inIcu) {
            if (i18nAttr || isTopLevelImplicit) {
                this._inI18nNode = true;
                const message = this._addMessage(el.children, i18nMeta);
                translatedChildNodes = this._translateMessage(el, message);
            }
            if (this._mode == _VisitorMode.Extract) {
                const isTranslatable = i18nAttr || isTopLevelImplicit;
                if (isTranslatable)
                    this._openTranslatableSection(el);
                visitAll$1(this, el.children);
                if (isTranslatable)
                    this._closeTranslatableSection(el, el.children);
            }
        }
        else {
            if (i18nAttr || isTopLevelImplicit) {
                this._reportError(el, 'Could not mark an element as translatable inside a translatable section');
            }
            if (this._mode == _VisitorMode.Extract) {
                // Descend into child nodes for extraction
                visitAll$1(this, el.children);
            }
        }
        if (this._mode === _VisitorMode.Merge) {
            const visitNodes = translatedChildNodes || el.children;
            visitNodes.forEach(child => {
                const visited = child.visit(this, context);
                if (visited && !this._isInTranslatableSection) {
                    // Do not add the children from translatable sections (= i18n blocks here)
                    // They will be added later in this loop when the block closes (i.e. on `<!-- /i18n -->`)
                    childNodes = childNodes.concat(visited);
                }
            });
        }
        this._visitAttributesOf(el);
        this._depth--;
        this._inI18nNode = wasInI18nNode;
        this._inImplicitNode = wasInImplicitNode;
        if (this._mode === _VisitorMode.Merge) {
            const translatedAttrs = this._translateAttributes(el);
            return new Element$1(el.name, translatedAttrs, childNodes, el.sourceSpan, el.startSourceSpan, el.endSourceSpan);
        }
        return null;
    }
    visitAttribute(attribute, context) {
        throw new Error('unreachable code');
    }
    _init(mode, interpolationConfig) {
        this._mode = mode;
        this._inI18nBlock = false;
        this._inI18nNode = false;
        this._depth = 0;
        this._inIcu = false;
        this._msgCountAtSectionStart = undefined;
        this._errors = [];
        this._messages = [];
        this._inImplicitNode = false;
        this._createI18nMessage = createI18nMessageFactory(interpolationConfig);
    }
    // looks for translatable attributes
    _visitAttributesOf(el) {
        const explicitAttrNameToValue = {};
        const implicitAttrNames = this._implicitAttrs[el.name] || [];
        el.attrs.filter(attr => attr.name.startsWith(_I18N_ATTR_PREFIX))
            .forEach(attr => explicitAttrNameToValue[attr.name.slice(_I18N_ATTR_PREFIX.length)] =
            attr.value);
        el.attrs.forEach(attr => {
            if (attr.name in explicitAttrNameToValue) {
                this._addMessage([attr], explicitAttrNameToValue[attr.name]);
            }
            else if (implicitAttrNames.some(name => attr.name === name)) {
                this._addMessage([attr]);
            }
        });
    }
    // add a translatable message
    _addMessage(ast, msgMeta) {
        if (ast.length == 0 ||
            ast.length == 1 && ast[0] instanceof Attribute && !ast[0].value) {
            // Do not create empty messages
            return null;
        }
        const { meaning, description, id } = _parseMessageMeta(msgMeta);
        const message = this._createI18nMessage(ast, meaning, description, id);
        this._messages.push(message);
        return message;
    }
    // Translates the given message given the `TranslationBundle`
    // This is used for translating elements / blocks - see `_translateAttributes` for attributes
    // no-op when called in extraction mode (returns [])
    _translateMessage(el, message) {
        if (message && this._mode === _VisitorMode.Merge) {
            const nodes = this._translations.get(message);
            if (nodes) {
                return nodes;
            }
            this._reportError(el, `Translation unavailable for message id="${this._translations.digest(message)}"`);
        }
        return [];
    }
    // translate the attributes of an element and remove i18n specific attributes
    _translateAttributes(el) {
        const attributes = el.attrs;
        const i18nParsedMessageMeta = {};
        attributes.forEach(attr => {
            if (attr.name.startsWith(_I18N_ATTR_PREFIX)) {
                i18nParsedMessageMeta[attr.name.slice(_I18N_ATTR_PREFIX.length)] =
                    _parseMessageMeta(attr.value);
            }
        });
        const translatedAttributes = [];
        attributes.forEach((attr) => {
            if (attr.name === _I18N_ATTR || attr.name.startsWith(_I18N_ATTR_PREFIX)) {
                // strip i18n specific attributes
                return;
            }
            if (attr.value && attr.value != '' && i18nParsedMessageMeta.hasOwnProperty(attr.name)) {
                const { meaning, description, id } = i18nParsedMessageMeta[attr.name];
                const message = this._createI18nMessage([attr], meaning, description, id);
                const nodes = this._translations.get(message);
                if (nodes) {
                    if (nodes.length == 0) {
                        translatedAttributes.push(new Attribute(attr.name, '', attr.sourceSpan, undefined /* keySpan */, undefined /* valueSpan */, undefined /* i18n */));
                    }
                    else if (nodes[0] instanceof Text$3) {
                        const value = nodes[0].value;
                        translatedAttributes.push(new Attribute(attr.name, value, attr.sourceSpan, undefined /* keySpan */, undefined /* valueSpan */, undefined /* i18n */));
                    }
                    else {
                        this._reportError(el, `Unexpected translation for attribute "${attr.name}" (id="${id || this._translations.digest(message)}")`);
                    }
                }
                else {
                    this._reportError(el, `Translation unavailable for attribute "${attr.name}" (id="${id || this._translations.digest(message)}")`);
                }
            }
            else {
                translatedAttributes.push(attr);
            }
        });
        return translatedAttributes;
    }
    /**
     * Add the node as a child of the block when:
     * - we are in a block,
     * - we are not inside a ICU message (those are handled separately),
     * - the node is a "direct child" of the block
     */
    _mayBeAddBlockChildren(node) {
        if (this._inI18nBlock && !this._inIcu && this._depth == this._blockStartDepth) {
            this._blockChildren.push(node);
        }
    }
    /**
     * Marks the start of a section, see `_closeTranslatableSection`
     */
    _openTranslatableSection(node) {
        if (this._isInTranslatableSection) {
            this._reportError(node, 'Unexpected section start');
        }
        else {
            this._msgCountAtSectionStart = this._messages.length;
        }
    }
    /**
     * A translatable section could be:
     * - the content of translatable element,
     * - nodes between `<!-- i18n -->` and `<!-- /i18n -->` comments
     */
    get _isInTranslatableSection() {
        return this._msgCountAtSectionStart !== void 0;
    }
    /**
     * Terminates a section.
     *
     * If a section has only one significant children (comments not significant) then we should not
     * keep the message from this children:
     *
     * `<p i18n="meaning|description">{ICU message}</p>` would produce two messages:
     * - one for the <p> content with meaning and description,
     * - another one for the ICU message.
     *
     * In this case the last message is discarded as it contains less information (the AST is
     * otherwise identical).
     *
     * Note that we should still keep messages extracted from attributes inside the section (ie in the
     * ICU message here)
     */
    _closeTranslatableSection(node, directChildren) {
        if (!this._isInTranslatableSection) {
            this._reportError(node, 'Unexpected section end');
            return;
        }
        const startIndex = this._msgCountAtSectionStart;
        const significantChildren = directChildren.reduce((count, node) => count + (node instanceof Comment$1 ? 0 : 1), 0);
        if (significantChildren == 1) {
            for (let i = this._messages.length - 1; i >= startIndex; i--) {
                const ast = this._messages[i].nodes;
                if (!(ast.length == 1 && ast[0] instanceof Text$1)) {
                    this._messages.splice(i, 1);
                    break;
                }
            }
        }
        this._msgCountAtSectionStart = undefined;
    }
    _reportError(node, msg) {
        this._errors.push(new I18nError(node.sourceSpan, msg));
    }
}
function _isOpeningComment(n) {
    return !!(n instanceof Comment$1 && n.value && n.value.startsWith('i18n'));
}
function _isClosingComment(n) {
    return !!(n instanceof Comment$1 && n.value && n.value === '/i18n');
}
function _getI18nAttr(p) {
    return p.attrs.find(attr => attr.name === _I18N_ATTR) || null;
}
function _parseMessageMeta(i18n) {
    if (!i18n)
        return { meaning: '', description: '', id: '' };
    const idIndex = i18n.indexOf(ID_SEPARATOR);
    const descIndex = i18n.indexOf(MEANING_SEPARATOR);
    const [meaningAndDesc, id] = (idIndex > -1) ? [i18n.slice(0, idIndex), i18n.slice(idIndex + 2)] : [i18n, ''];
    const [meaning, description] = (descIndex > -1) ?
        [meaningAndDesc.slice(0, descIndex), meaningAndDesc.slice(descIndex + 1)] :
        ['', meaningAndDesc];
    return { meaning, description, id: id.trim() };
}

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
class XmlTagDefinition {
    constructor() {
        this.closedByParent = false;
        this.isVoid = false;
        this.ignoreFirstLf = false;
        this.canSelfClose = true;
        this.preventNamespaceInheritance = false;
    }
    requireExtraParent(currentParent) {
        return false;
    }
    isClosedByChild(name) {
        return false;
    }
    getContentType() {
        return TagContentType.PARSABLE_DATA;
    }
}
const _TAG_DEFINITION = new XmlTagDefinition();
function getXmlTagDefinition(tagName) {
    return _TAG_DEFINITION;
}

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
class XmlParser extends Parser {
    constructor() {
        super(getXmlTagDefinition);
    }
    parse(source, url, options) {
        return super.parse(source, url, options);
    }
}

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
const _VERSION = '1.2';
const _XMLNS = 'urn:oasis:names:tc:xliff:document:1.2';
// TODO(vicb): make this a param (s/_/-/)
const _DEFAULT_SOURCE_LANG = 'en';
const _PLACEHOLDER_TAG$1 = 'x';
const _MARKER_TAG = 'mrk';
const _FILE_TAG = 'file';
const _SOURCE_TAG$1 = 'source';
const _SEGMENT_SOURCE_TAG = 'seg-source';
const _ALT_TRANS_TAG = 'alt-trans';
const _TARGET_TAG = 'target';
const _UNIT_TAG = 'trans-unit';
const _CONTEXT_GROUP_TAG = 'context-group';
const _CONTEXT_TAG = 'context';
// https://docs.oasis-open.org/xliff/v1.2/os/xliff-core.html
// https://docs.oasis-open.org/xliff/v1.2/xliff-profile-html/xliff-profile-html-1.2.html
class Xliff extends Serializer {
    write(messages, locale) {
        const visitor = new _WriteVisitor();
        const transUnits = [];
        messages.forEach(message => {
            let contextTags = [];
            message.sources.forEach((source) => {
                let contextGroupTag = new Tag(_CONTEXT_GROUP_TAG, { purpose: 'location' });
                contextGroupTag.children.push(new CR(10), new Tag(_CONTEXT_TAG, { 'context-type': 'sourcefile' }, [new Text$2(source.filePath)]), new CR(10), new Tag(_CONTEXT_TAG, { 'context-type': 'linenumber' }, [new Text$2(`${source.startLine}`)]), new CR(8));
                contextTags.push(new CR(8), contextGroupTag);
            });
            const transUnit = new Tag(_UNIT_TAG, { id: message.id, datatype: 'html' });
            transUnit.children.push(new CR(8), new Tag(_SOURCE_TAG$1, {}, visitor.serialize(message.nodes)), ...contextTags);
            if (message.description) {
                transUnit.children.push(new CR(8), new Tag('note', { priority: '1', from: 'description' }, [new Text$2(message.description)]));
            }
            if (message.meaning) {
                transUnit.children.push(new CR(8), new Tag('note', { priority: '1', from: 'meaning' }, [new Text$2(message.meaning)]));
            }
            transUnit.children.push(new CR(6));
            transUnits.push(new CR(6), transUnit);
        });
        const body = new Tag('body', {}, [...transUnits, new CR(4)]);
        const file = new Tag('file', {
            'source-language': locale || _DEFAULT_SOURCE_LANG,
            datatype: 'plaintext',
            original: 'ng2.template',
        }, [new CR(4), body, new CR(2)]);
        const xliff = new Tag('xliff', { version: _VERSION, xmlns: _XMLNS }, [new CR(2), file, new CR()]);
        return serialize([
            new Declaration({ version: '1.0', encoding: 'UTF-8' }), new CR(), xliff, new CR()
        ]);
    }
    load(content, url) {
        // xliff to xml nodes
        const xliffParser = new XliffParser();
        const { locale, msgIdToHtml, errors } = xliffParser.parse(content, url);
        // xml nodes to i18n nodes
        const i18nNodesByMsgId = {};
        const converter = new XmlToI18n();
        Object.keys(msgIdToHtml).forEach(msgId => {
            const { i18nNodes, errors: e } = converter.convert(msgIdToHtml[msgId], url);
            errors.push(...e);
            i18nNodesByMsgId[msgId] = i18nNodes;
        });
        if (errors.length) {
            throw new Error(`xliff parse errors:\n${errors.join('\n')}`);
        }
        return { locale: locale, i18nNodesByMsgId };
    }
    digest(message) {
        return digest(message);
    }
}
class _WriteVisitor {
    visitText(text, context) {
        return [new Text$2(text.value)];
    }
    visitContainer(container, context) {
        const nodes = [];
        container.children.forEach((node) => nodes.push(...node.visit(this)));
        return nodes;
    }
    visitIcu(icu, context) {
        const nodes = [new Text$2(`{${icu.expressionPlaceholder}, ${icu.type}, `)];
        Object.keys(icu.cases).forEach((c) => {
            nodes.push(new Text$2(`${c} {`), ...icu.cases[c].visit(this), new Text$2(`} `));
        });
        nodes.push(new Text$2(`}`));
        return nodes;
    }
    visitTagPlaceholder(ph, context) {
        const ctype = getCtypeForTag(ph.tag);
        if (ph.isVoid) {
            // void tags have no children nor closing tags
            return [new Tag(_PLACEHOLDER_TAG$1, { id: ph.startName, ctype, 'equiv-text': `<${ph.tag}/>` })];
        }
        const startTagPh = new Tag(_PLACEHOLDER_TAG$1, { id: ph.startName, ctype, 'equiv-text': `<${ph.tag}>` });
        const closeTagPh = new Tag(_PLACEHOLDER_TAG$1, { id: ph.closeName, ctype, 'equiv-text': `</${ph.tag}>` });
        return [startTagPh, ...this.serialize(ph.children), closeTagPh];
    }
    visitPlaceholder(ph, context) {
        return [new Tag(_PLACEHOLDER_TAG$1, { id: ph.name, 'equiv-text': `{{${ph.value}}}` })];
    }
    visitIcuPlaceholder(ph, context) {
        const equivText = `{${ph.value.expression}, ${ph.value.type}, ${Object.keys(ph.value.cases).map((value) => value + ' {...}').join(' ')}}`;
        return [new Tag(_PLACEHOLDER_TAG$1, { id: ph.name, 'equiv-text': equivText })];
    }
    serialize(nodes) {
        return [].concat(...nodes.map(node => node.visit(this)));
    }
}
// TODO(vicb): add error management (structure)
// Extract messages as xml nodes from the xliff file
class XliffParser {
    constructor() {
        this._locale = null;
    }
    parse(xliff, url) {
        this._unitMlString = null;
        this._msgIdToHtml = {};
        const xml = new XmlParser().parse(xliff, url);
        this._errors = xml.errors;
        visitAll$1(this, xml.rootNodes, null);
        return {
            msgIdToHtml: this._msgIdToHtml,
            errors: this._errors,
            locale: this._locale,
        };
    }
    visitElement(element, context) {
        switch (element.name) {
            case _UNIT_TAG:
                this._unitMlString = null;
                const idAttr = element.attrs.find((attr) => attr.name === 'id');
                if (!idAttr) {
                    this._addError(element, `<${_UNIT_TAG}> misses the "id" attribute`);
                }
                else {
                    const id = idAttr.value;
                    if (this._msgIdToHtml.hasOwnProperty(id)) {
                        this._addError(element, `Duplicated translations for msg ${id}`);
                    }
                    else {
                        visitAll$1(this, element.children, null);
                        if (typeof this._unitMlString === 'string') {
                            this._msgIdToHtml[id] = this._unitMlString;
                        }
                        else {
                            this._addError(element, `Message ${id} misses a translation`);
                        }
                    }
                }
                break;
            // ignore those tags
            case _SOURCE_TAG$1:
            case _SEGMENT_SOURCE_TAG:
            case _ALT_TRANS_TAG:
                break;
            case _TARGET_TAG:
                const innerTextStart = element.startSourceSpan.end.offset;
                const innerTextEnd = element.endSourceSpan.start.offset;
                const content = element.startSourceSpan.start.file.content;
                const innerText = content.slice(innerTextStart, innerTextEnd);
                this._unitMlString = innerText;
                break;
            case _FILE_TAG:
                const localeAttr = element.attrs.find((attr) => attr.name === 'target-language');
                if (localeAttr) {
                    this._locale = localeAttr.value;
                }
                visitAll$1(this, element.children, null);
                break;
            default:
                // TODO(vicb): assert file structure, xliff version
                // For now only recurse on unhandled nodes
                visitAll$1(this, element.children, null);
        }
    }
    visitAttribute(attribute, context) { }
    visitText(text, context) { }
    visitComment(comment, context) { }
    visitExpansion(expansion, context) { }
    visitExpansionCase(expansionCase, context) { }
    _addError(node, message) {
        this._errors.push(new I18nError(node.sourceSpan, message));
    }
}
// Convert ml nodes (xliff syntax) to i18n nodes
class XmlToI18n {
    convert(message, url) {
        const xmlIcu = new XmlParser().parse(message, url, { tokenizeExpansionForms: true });
        this._errors = xmlIcu.errors;
        const i18nNodes = this._errors.length > 0 || xmlIcu.rootNodes.length == 0 ?
            [] :
            [].concat(...visitAll$1(this, xmlIcu.rootNodes));
        return {
            i18nNodes: i18nNodes,
            errors: this._errors,
        };
    }
    visitText(text, context) {
        return new Text$1(text.value, text.sourceSpan);
    }
    visitElement(el, context) {
        if (el.name === _PLACEHOLDER_TAG$1) {
            const nameAttr = el.attrs.find((attr) => attr.name === 'id');
            if (nameAttr) {
                return new Placeholder('', nameAttr.value, el.sourceSpan);
            }
            this._addError(el, `<${_PLACEHOLDER_TAG$1}> misses the "id" attribute`);
            return null;
        }
        if (el.name === _MARKER_TAG) {
            return [].concat(...visitAll$1(this, el.children));
        }
        this._addError(el, `Unexpected tag`);
        return null;
    }
    visitExpansion(icu, context) {
        const caseMap = {};
        visitAll$1(this, icu.cases).forEach((c) => {
            caseMap[c.value] = new Container(c.nodes, icu.sourceSpan);
        });
        return new Icu$1(icu.switchValue, icu.type, caseMap, icu.sourceSpan);
    }
    visitExpansionCase(icuCase, context) {
        return {
            value: icuCase.value,
            nodes: visitAll$1(this, icuCase.expression),
        };
    }
    visitComment(comment, context) { }
    visitAttribute(attribute, context) { }
    _addError(node, message) {
        this._errors.push(new I18nError(node.sourceSpan, message));
    }
}
function getCtypeForTag(tag) {
    switch (tag.toLowerCase()) {
        case 'br':
            return 'lb';
        case 'img':
            return 'image';
        default:
            return `x-${tag}`;
    }
}

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
const _VERSION$1 = '2.0';
const _XMLNS$1 = 'urn:oasis:names:tc:xliff:document:2.0';
// TODO(vicb): make this a param (s/_/-/)
const _DEFAULT_SOURCE_LANG$1 = 'en';
const _PLACEHOLDER_TAG$2 = 'ph';
const _PLACEHOLDER_SPANNING_TAG = 'pc';
const _MARKER_TAG$1 = 'mrk';
const _XLIFF_TAG = 'xliff';
const _SOURCE_TAG$2 = 'source';
const _TARGET_TAG$1 = 'target';
const _UNIT_TAG$1 = 'unit';
// https://docs.oasis-open.org/xliff/xliff-core/v2.0/os/xliff-core-v2.0-os.html
class Xliff2 extends Serializer {
    write(messages, locale) {
        const visitor = new _WriteVisitor$1();
        const units = [];
        messages.forEach(message => {
            const unit = new Tag(_UNIT_TAG$1, { id: message.id });
            const notes = new Tag('notes');
            if (message.description || message.meaning) {
                if (message.description) {
                    notes.children.push(new CR(8), new Tag('note', { category: 'description' }, [new Text$2(message.description)]));
                }
                if (message.meaning) {
                    notes.children.push(new CR(8), new Tag('note', { category: 'meaning' }, [new Text$2(message.meaning)]));
                }
            }
            message.sources.forEach((source) => {
                notes.children.push(new CR(8), new Tag('note', { category: 'location' }, [
                    new Text$2(`${source.filePath}:${source.startLine}${source.endLine !== source.startLine ? ',' + source.endLine : ''}`)
                ]));
            });
            notes.children.push(new CR(6));
            unit.children.push(new CR(6), notes);
            const segment = new Tag('segment');
            segment.children.push(new CR(8), new Tag(_SOURCE_TAG$2, {}, visitor.serialize(message.nodes)), new CR(6));
            unit.children.push(new CR(6), segment, new CR(4));
            units.push(new CR(4), unit);
        });
        const file = new Tag('file', { 'original': 'ng.template', id: 'ngi18n' }, [...units, new CR(2)]);
        const xliff = new Tag(_XLIFF_TAG, { version: _VERSION$1, xmlns: _XMLNS$1, srcLang: locale || _DEFAULT_SOURCE_LANG$1 }, [new CR(2), file, new CR()]);
        return serialize([
            new Declaration({ version: '1.0', encoding: 'UTF-8' }), new CR(), xliff, new CR()
        ]);
    }
    load(content, url) {
        // xliff to xml nodes
        const xliff2Parser = new Xliff2Parser();
        const { locale, msgIdToHtml, errors } = xliff2Parser.parse(content, url);
        // xml nodes to i18n nodes
        const i18nNodesByMsgId = {};
        const converter = new XmlToI18n$1();
        Object.keys(msgIdToHtml).forEach(msgId => {
            const { i18nNodes, errors: e } = converter.convert(msgIdToHtml[msgId], url);
            errors.push(...e);
            i18nNodesByMsgId[msgId] = i18nNodes;
        });
        if (errors.length) {
            throw new Error(`xliff2 parse errors:\n${errors.join('\n')}`);
        }
        return { locale: locale, i18nNodesByMsgId };
    }
    digest(message) {
        return decimalDigest(message);
    }
}
class _WriteVisitor$1 {
    visitText(text, context) {
        return [new Text$2(text.value)];
    }
    visitContainer(container, context) {
        const nodes = [];
        container.children.forEach((node) => nodes.push(...node.visit(this)));
        return nodes;
    }
    visitIcu(icu, context) {
        const nodes = [new Text$2(`{${icu.expressionPlaceholder}, ${icu.type}, `)];
        Object.keys(icu.cases).forEach((c) => {
            nodes.push(new Text$2(`${c} {`), ...icu.cases[c].visit(this), new Text$2(`} `));
        });
        nodes.push(new Text$2(`}`));
        return nodes;
    }
    visitTagPlaceholder(ph, context) {
        const type = getTypeForTag(ph.tag);
        if (ph.isVoid) {
            const tagPh = new Tag(_PLACEHOLDER_TAG$2, {
                id: (this._nextPlaceholderId++).toString(),
                equiv: ph.startName,
                type: type,
                disp: `<${ph.tag}/>`,
            });
            return [tagPh];
        }
        const tagPc = new Tag(_PLACEHOLDER_SPANNING_TAG, {
            id: (this._nextPlaceholderId++).toString(),
            equivStart: ph.startName,
            equivEnd: ph.closeName,
            type: type,
            dispStart: `<${ph.tag}>`,
            dispEnd: `</${ph.tag}>`,
        });
        const nodes = [].concat(...ph.children.map(node => node.visit(this)));
        if (nodes.length) {
            nodes.forEach((node) => tagPc.children.push(node));
        }
        else {
            tagPc.children.push(new Text$2(''));
        }
        return [tagPc];
    }
    visitPlaceholder(ph, context) {
        const idStr = (this._nextPlaceholderId++).toString();
        return [new Tag(_PLACEHOLDER_TAG$2, {
                id: idStr,
                equiv: ph.name,
                disp: `{{${ph.value}}}`,
            })];
    }
    visitIcuPlaceholder(ph, context) {
        const cases = Object.keys(ph.value.cases).map((value) => value + ' {...}').join(' ');
        const idStr = (this._nextPlaceholderId++).toString();
        return [new Tag(_PLACEHOLDER_TAG$2, { id: idStr, equiv: ph.name, disp: `{${ph.value.expression}, ${ph.value.type}, ${cases}}` })];
    }
    serialize(nodes) {
        this._nextPlaceholderId = 0;
        return [].concat(...nodes.map(node => node.visit(this)));
    }
}
// Extract messages as xml nodes from the xliff file
class Xliff2Parser {
    constructor() {
        this._locale = null;
    }
    parse(xliff, url) {
        this._unitMlString = null;
        this._msgIdToHtml = {};
        const xml = new XmlParser().parse(xliff, url);
        this._errors = xml.errors;
        visitAll$1(this, xml.rootNodes, null);
        return {
            msgIdToHtml: this._msgIdToHtml,
            errors: this._errors,
            locale: this._locale,
        };
    }
    visitElement(element, context) {
        switch (element.name) {
            case _UNIT_TAG$1:
                this._unitMlString = null;
                const idAttr = element.attrs.find((attr) => attr.name === 'id');
                if (!idAttr) {
                    this._addError(element, `<${_UNIT_TAG$1}> misses the "id" attribute`);
                }
                else {
                    const id = idAttr.value;
                    if (this._msgIdToHtml.hasOwnProperty(id)) {
                        this._addError(element, `Duplicated translations for msg ${id}`);
                    }
                    else {
                        visitAll$1(this, element.children, null);
                        if (typeof this._unitMlString === 'string') {
                            this._msgIdToHtml[id] = this._unitMlString;
                        }
                        else {
                            this._addError(element, `Message ${id} misses a translation`);
                        }
                    }
                }
                break;
            case _SOURCE_TAG$2:
                // ignore source message
                break;
            case _TARGET_TAG$1:
                const innerTextStart = element.startSourceSpan.end.offset;
                const innerTextEnd = element.endSourceSpan.start.offset;
                const content = element.startSourceSpan.start.file.content;
                const innerText = content.slice(innerTextStart, innerTextEnd);
                this._unitMlString = innerText;
                break;
            case _XLIFF_TAG:
                const localeAttr = element.attrs.find((attr) => attr.name === 'trgLang');
                if (localeAttr) {
                    this._locale = localeAttr.value;
                }
                const versionAttr = element.attrs.find((attr) => attr.name === 'version');
                if (versionAttr) {
                    const version = versionAttr.value;
                    if (version !== '2.0') {
                        this._addError(element, `The XLIFF file version ${version} is not compatible with XLIFF 2.0 serializer`);
                    }
                    else {
                        visitAll$1(this, element.children, null);
                    }
                }
                break;
            default:
                visitAll$1(this, element.children, null);
        }
    }
    visitAttribute(attribute, context) { }
    visitText(text, context) { }
    visitComment(comment, context) { }
    visitExpansion(expansion, context) { }
    visitExpansionCase(expansionCase, context) { }
    _addError(node, message) {
        this._errors.push(new I18nError(node.sourceSpan, message));
    }
}
// Convert ml nodes (xliff syntax) to i18n nodes
class XmlToI18n$1 {
    convert(message, url) {
        const xmlIcu = new XmlParser().parse(message, url, { tokenizeExpansionForms: true });
        this._errors = xmlIcu.errors;
        const i18nNodes = this._errors.length > 0 || xmlIcu.rootNodes.length == 0 ?
            [] :
            [].concat(...visitAll$1(this, xmlIcu.rootNodes));
        return {
            i18nNodes,
            errors: this._errors,
        };
    }
    visitText(text, context) {
        return new Text$1(text.value, text.sourceSpan);
    }
    visitElement(el, context) {
        switch (el.name) {
            case _PLACEHOLDER_TAG$2:
                const nameAttr = el.attrs.find((attr) => attr.name === 'equiv');
                if (nameAttr) {
                    return [new Placeholder('', nameAttr.value, el.sourceSpan)];
                }
                this._addError(el, `<${_PLACEHOLDER_TAG$2}> misses the "equiv" attribute`);
                break;
            case _PLACEHOLDER_SPANNING_TAG:
                const startAttr = el.attrs.find((attr) => attr.name === 'equivStart');
                const endAttr = el.attrs.find((attr) => attr.name === 'equivEnd');
                if (!startAttr) {
                    this._addError(el, `<${_PLACEHOLDER_TAG$2}> misses the "equivStart" attribute`);
                }
                else if (!endAttr) {
                    this._addError(el, `<${_PLACEHOLDER_TAG$2}> misses the "equivEnd" attribute`);
                }
                else {
                    const startId = startAttr.value;
                    const endId = endAttr.value;
                    const nodes = [];
                    return nodes.concat(new Placeholder('', startId, el.sourceSpan), ...el.children.map(node => node.visit(this, null)), new Placeholder('', endId, el.sourceSpan));
                }
                break;
            case _MARKER_TAG$1:
                return [].concat(...visitAll$1(this, el.children));
            default:
                this._addError(el, `Unexpected tag`);
        }
        return null;
    }
    visitExpansion(icu, context) {
        const caseMap = {};
        visitAll$1(this, icu.cases).forEach((c) => {
            caseMap[c.value] = new Container(c.nodes, icu.sourceSpan);
        });
        return new Icu$1(icu.switchValue, icu.type, caseMap, icu.sourceSpan);
    }
    visitExpansionCase(icuCase, context) {
        return {
            value: icuCase.value,
            nodes: [].concat(...visitAll$1(this, icuCase.expression)),
        };
    }
    visitComment(comment, context) { }
    visitAttribute(attribute, context) { }
    _addError(node, message) {
        this._errors.push(new I18nError(node.sourceSpan, message));
    }
}
function getTypeForTag(tag) {
    switch (tag.toLowerCase()) {
        case 'br':
        case 'b':
        case 'i':
        case 'u':
            return 'fmt';
        case 'img':
            return 'image';
        case 'a':
            return 'link';
        default:
            return 'other';
    }
}

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
const _TRANSLATIONS_TAG = 'translationbundle';
const _TRANSLATION_TAG = 'translation';
const _PLACEHOLDER_TAG$3 = 'ph';
class Xtb extends Serializer {
    write(messages, locale) {
        throw new Error('Unsupported');
    }
    load(content, url) {
        // xtb to xml nodes
        const xtbParser = new XtbParser();
        const { locale, msgIdToHtml, errors } = xtbParser.parse(content, url);
        // xml nodes to i18n nodes
        const i18nNodesByMsgId = {};
        const converter = new XmlToI18n$2();
        // Because we should be able to load xtb files that rely on features not supported by angular,
        // we need to delay the conversion of html to i18n nodes so that non angular messages are not
        // converted
        Object.keys(msgIdToHtml).forEach(msgId => {
            const valueFn = function () {
                const { i18nNodes, errors } = converter.convert(msgIdToHtml[msgId], url);
                if (errors.length) {
                    throw new Error(`xtb parse errors:\n${errors.join('\n')}`);
                }
                return i18nNodes;
            };
            createLazyProperty(i18nNodesByMsgId, msgId, valueFn);
        });
        if (errors.length) {
            throw new Error(`xtb parse errors:\n${errors.join('\n')}`);
        }
        return { locale: locale, i18nNodesByMsgId };
    }
    digest(message) {
        return digest$1(message);
    }
    createNameMapper(message) {
        return new SimplePlaceholderMapper(message, toPublicName);
    }
}
function createLazyProperty(messages, id, valueFn) {
    Object.defineProperty(messages, id, {
        configurable: true,
        enumerable: true,
        get: function () {
            const value = valueFn();
            Object.defineProperty(messages, id, { enumerable: true, value });
            return value;
        },
        set: _ => {
            throw new Error('Could not overwrite an XTB translation');
        },
    });
}
// Extract messages as xml nodes from the xtb file
class XtbParser {
    constructor() {
        this._locale = null;
    }
    parse(xtb, url) {
        this._bundleDepth = 0;
        this._msgIdToHtml = {};
        // We can not parse the ICU messages at this point as some messages might not originate
        // from Angular that could not be lex'd.
        const xml = new XmlParser().parse(xtb, url);
        this._errors = xml.errors;
        visitAll$1(this, xml.rootNodes);
        return {
            msgIdToHtml: this._msgIdToHtml,
            errors: this._errors,
            locale: this._locale,
        };
    }
    visitElement(element, context) {
        switch (element.name) {
            case _TRANSLATIONS_TAG:
                this._bundleDepth++;
                if (this._bundleDepth > 1) {
                    this._addError(element, `<${_TRANSLATIONS_TAG}> elements can not be nested`);
                }
                const langAttr = element.attrs.find((attr) => attr.name === 'lang');
                if (langAttr) {
                    this._locale = langAttr.value;
                }
                visitAll$1(this, element.children, null);
                this._bundleDepth--;
                break;
            case _TRANSLATION_TAG:
                const idAttr = element.attrs.find((attr) => attr.name === 'id');
                if (!idAttr) {
                    this._addError(element, `<${_TRANSLATION_TAG}> misses the "id" attribute`);
                }
                else {
                    const id = idAttr.value;
                    if (this._msgIdToHtml.hasOwnProperty(id)) {
                        this._addError(element, `Duplicated translations for msg ${id}`);
                    }
                    else {
                        const innerTextStart = element.startSourceSpan.end.offset;
                        const innerTextEnd = element.endSourceSpan.start.offset;
                        const content = element.startSourceSpan.start.file.content;
                        const innerText = content.slice(innerTextStart, innerTextEnd);
                        this._msgIdToHtml[id] = innerText;
                    }
                }
                break;
            default:
                this._addError(element, 'Unexpected tag');
        }
    }
    visitAttribute(attribute, context) { }
    visitText(text, context) { }
    visitComment(comment, context) { }
    visitExpansion(expansion, context) { }
    visitExpansionCase(expansionCase, context) { }
    _addError(node, message) {
        this._errors.push(new I18nError(node.sourceSpan, message));
    }
}
// Convert ml nodes (xtb syntax) to i18n nodes
class XmlToI18n$2 {
    convert(message, url) {
        const xmlIcu = new XmlParser().parse(message, url, { tokenizeExpansionForms: true });
        this._errors = xmlIcu.errors;
        const i18nNodes = this._errors.length > 0 || xmlIcu.rootNodes.length == 0 ?
            [] :
            visitAll$1(this, xmlIcu.rootNodes);
        return {
            i18nNodes,
            errors: this._errors,
        };
    }
    visitText(text, context) {
        return new Text$1(text.value, text.sourceSpan);
    }
    visitExpansion(icu, context) {
        const caseMap = {};
        visitAll$1(this, icu.cases).forEach(c => {
            caseMap[c.value] = new Container(c.nodes, icu.sourceSpan);
        });
        return new Icu$1(icu.switchValue, icu.type, caseMap, icu.sourceSpan);
    }
    visitExpansionCase(icuCase, context) {
        return {
            value: icuCase.value,
            nodes: visitAll$1(this, icuCase.expression),
        };
    }
    visitElement(el, context) {
        if (el.name === _PLACEHOLDER_TAG$3) {
            const nameAttr = el.attrs.find((attr) => attr.name === 'name');
            if (nameAttr) {
                return new Placeholder('', nameAttr.value, el.sourceSpan);
            }
            this._addError(el, `<${_PLACEHOLDER_TAG$3}> misses the "name" attribute`);
        }
        else {
            this._addError(el, `Unexpected tag`);
        }
        return null;
    }
    visitComment(comment, context) { }
    visitAttribute(attribute, context) { }
    _addError(node, message) {
        this._errors.push(new I18nError(node.sourceSpan, message));
    }
}

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
/**
 * A container for translated messages
 */
class TranslationBundle {
    constructor(_i18nNodesByMsgId = {}, locale, digest, mapperFactory, missingTranslationStrategy = MissingTranslationStrategy.Warning, console) {
        this._i18nNodesByMsgId = _i18nNodesByMsgId;
        this.digest = digest;
        this.mapperFactory = mapperFactory;
        this._i18nToHtml = new I18nToHtmlVisitor(_i18nNodesByMsgId, locale, digest, mapperFactory, missingTranslationStrategy, console);
    }
    // Creates a `TranslationBundle` by parsing the given `content` with the `serializer`.
    static load(content, url, serializer, missingTranslationStrategy, console) {
        const { locale, i18nNodesByMsgId } = serializer.load(content, url);
        const digestFn = (m) => serializer.digest(m);
        const mapperFactory = (m) => serializer.createNameMapper(m);
        return new TranslationBundle(i18nNodesByMsgId, locale, digestFn, mapperFactory, missingTranslationStrategy, console);
    }
    // Returns the translation as HTML nodes from the given source message.
    get(srcMsg) {
        const html = this._i18nToHtml.convert(srcMsg);
        if (html.errors.length) {
            throw new Error(html.errors.join('\n'));
        }
        return html.nodes;
    }
    has(srcMsg) {
        return this.digest(srcMsg) in this._i18nNodesByMsgId;
    }
}
class I18nToHtmlVisitor {
    constructor(_i18nNodesByMsgId = {}, _locale, _digest, _mapperFactory, _missingTranslationStrategy, _console) {
        this._i18nNodesByMsgId = _i18nNodesByMsgId;
        this._locale = _locale;
        this._digest = _digest;
        this._mapperFactory = _mapperFactory;
        this._missingTranslationStrategy = _missingTranslationStrategy;
        this._console = _console;
        this._contextStack = [];
        this._errors = [];
    }
    convert(srcMsg) {
        this._contextStack.length = 0;
        this._errors.length = 0;
        // i18n to text
        const text = this._convertToText(srcMsg);
        // text to html
        const url = srcMsg.nodes[0].sourceSpan.start.file.url;
        const html = new HtmlParser().parse(text, url, { tokenizeExpansionForms: true });
        return {
            nodes: html.rootNodes,
            errors: [...this._errors, ...html.errors],
        };
    }
    visitText(text, context) {
        // `convert()` uses an `HtmlParser` to return `html.Node`s
        // we should then make sure that any special characters are escaped
        return escapeXml(text.value);
    }
    visitContainer(container, context) {
        return container.children.map(n => n.visit(this)).join('');
    }
    visitIcu(icu, context) {
        const cases = Object.keys(icu.cases).map(k => `${k} {${icu.cases[k].visit(this)}}`);
        // TODO(vicb): Once all format switch to using expression placeholders
        // we should throw when the placeholder is not in the source message
        const exp = this._srcMsg.placeholders.hasOwnProperty(icu.expression) ?
            this._srcMsg.placeholders[icu.expression].text :
            icu.expression;
        return `{${exp}, ${icu.type}, ${cases.join(' ')}}`;
    }
    visitPlaceholder(ph, context) {
        const phName = this._mapper(ph.name);
        if (this._srcMsg.placeholders.hasOwnProperty(phName)) {
            return this._srcMsg.placeholders[phName].text;
        }
        if (this._srcMsg.placeholderToMessage.hasOwnProperty(phName)) {
            return this._convertToText(this._srcMsg.placeholderToMessage[phName]);
        }
        this._addError(ph, `Unknown placeholder "${ph.name}"`);
        return '';
    }
    // Loaded message contains only placeholders (vs tag and icu placeholders).
    // However when a translation can not be found, we need to serialize the source message
    // which can contain tag placeholders
    visitTagPlaceholder(ph, context) {
        const tag = `${ph.tag}`;
        const attrs = Object.keys(ph.attrs).map(name => `${name}="${ph.attrs[name]}"`).join(' ');
        if (ph.isVoid) {
            return `<${tag} ${attrs}/>`;
        }
        const children = ph.children.map((c) => c.visit(this)).join('');
        return `<${tag} ${attrs}>${children}</${tag}>`;
    }
    // Loaded message contains only placeholders (vs tag and icu placeholders).
    // However when a translation can not be found, we need to serialize the source message
    // which can contain tag placeholders
    visitIcuPlaceholder(ph, context) {
        // An ICU placeholder references the source message to be serialized
        return this._convertToText(this._srcMsg.placeholderToMessage[ph.name]);
    }
    /**
     * Convert a source message to a translated text string:
     * - text nodes are replaced with their translation,
     * - placeholders are replaced with their content,
     * - ICU nodes are converted to ICU expressions.
     */
    _convertToText(srcMsg) {
        const id = this._digest(srcMsg);
        const mapper = this._mapperFactory ? this._mapperFactory(srcMsg) : null;
        let nodes;
        this._contextStack.push({ msg: this._srcMsg, mapper: this._mapper });
        this._srcMsg = srcMsg;
        if (this._i18nNodesByMsgId.hasOwnProperty(id)) {
            // When there is a translation use its nodes as the source
            // And create a mapper to convert serialized placeholder names to internal names
            nodes = this._i18nNodesByMsgId[id];
            this._mapper = (name) => mapper ? mapper.toInternalName(name) : name;
        }
        else {
            // When no translation has been found
            // - report an error / a warning / nothing,
            // - use the nodes from the original message
            // - placeholders are already internal and need no mapper
            if (this._missingTranslationStrategy === MissingTranslationStrategy.Error) {
                const ctx = this._locale ? ` for locale "${this._locale}"` : '';
                this._addError(srcMsg.nodes[0], `Missing translation for message "${id}"${ctx}`);
            }
            else if (this._console &&
                this._missingTranslationStrategy === MissingTranslationStrategy.Warning) {
                const ctx = this._locale ? ` for locale "${this._locale}"` : '';
                this._console.warn(`Missing translation for message "${id}"${ctx}`);
            }
            nodes = srcMsg.nodes;
            this._mapper = (name) => name;
        }
        const text = nodes.map(node => node.visit(this)).join('');
        const context = this._contextStack.pop();
        this._srcMsg = context.msg;
        this._mapper = context.mapper;
        return text;
    }
    _addError(el, msg) {
        this._errors.push(new I18nError(el.sourceSpan, msg));
    }
}

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
class I18NHtmlParser {
    constructor(_htmlParser, translations, translationsFormat, missingTranslation = MissingTranslationStrategy.Warning, console) {
        this._htmlParser = _htmlParser;
        if (translations) {
            const serializer = createSerializer(translationsFormat);
            this._translationBundle =
                TranslationBundle.load(translations, 'i18n', serializer, missingTranslation, console);
        }
        else {
            this._translationBundle =
                new TranslationBundle({}, null, digest, undefined, missingTranslation, console);
        }
    }
    parse(source, url, options = {}) {
        const interpolationConfig = options.interpolationConfig || DEFAULT_INTERPOLATION_CONFIG;
        const parseResult = this._htmlParser.parse(source, url, Object.assign({ interpolationConfig }, options));
        if (parseResult.errors.length) {
            return new ParseTreeResult(parseResult.rootNodes, parseResult.errors);
        }
        return mergeTranslations(parseResult.rootNodes, this._translationBundle, interpolationConfig, [], {});
    }
}
function createSerializer(format) {
    format = (format || 'xlf').toLowerCase();
    switch (format) {
        case 'xmb':
            return new Xmb();
        case 'xtb':
            return new Xtb();
        case 'xliff2':
        case 'xlf2':
            return new Xliff2();
        case 'xliff':
        case 'xlf':
        default:
            return new Xliff();
    }
}

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
const QUOTED_KEYS = '$quoted$';
function convertValueToOutputAst(ctx, value, type = null) {
    return visitValue(value, new _ValueOutputAstTransformer(ctx), type);
}
class _ValueOutputAstTransformer {
    constructor(ctx) {
        this.ctx = ctx;
    }
    visitArray(arr, type) {
        const values = [];
        // Note Array.map() must not be used to convert the values because it will
        // skip over empty elements in arrays constructed using `new Array(length)`,
        // resulting in `undefined` elements. This breaks the type guarantee that
        // all values in `o.LiteralArrayExpr` are of type `o.Expression`.
        // See test case in `value_util_spec.ts`.
        for (let i = 0; i < arr.length; ++i) {
            values.push(visitValue(arr[i], this, null /* context */));
        }
        return literalArr(values, type);
    }
    visitStringMap(map, type) {
        const entries = [];
        const quotedSet = new Set(map && map[QUOTED_KEYS]);
        Object.keys(map).forEach(key => {
            entries.push(new LiteralMapEntry(key, visitValue(map[key], this, null), quotedSet.has(key)));
        });
        return new LiteralMapExpr(entries, type);
    }
    visitPrimitive(value, type) {
        return literal(value, type);
    }
    visitOther(value, type) {
        if (value instanceof Expression) {
            return value;
        }
        else {
            return this.ctx.importExpr(value);
        }
    }
}

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
function mapEntry$1(key, value) {
    return { key, value, quoted: false };
}
class InjectableCompiler {
    constructor(reflector, alwaysGenerateDef) {
        this.reflector = reflector;
        this.alwaysGenerateDef = alwaysGenerateDef;
        this.tokenInjector = reflector.resolveExternalReference(Identifiers$1.Injector);
    }
    depsArray(deps, ctx) {
        return deps.map(dep => {
            let token = dep;
            let args = [token];
            let flags = 0 /* Default */;
            if (Array.isArray(dep)) {
                for (let i = 0; i < dep.length; i++) {
                    const v = dep[i];
                    if (v) {
                        if (v.ngMetadataName === 'Optional') {
                            flags |= 8 /* Optional */;
                        }
                        else if (v.ngMetadataName === 'SkipSelf') {
                            flags |= 4 /* SkipSelf */;
                        }
                        else if (v.ngMetadataName === 'Self') {
                            flags |= 2 /* Self */;
                        }
                        else if (v.ngMetadataName === 'Inject') {
                            token = v.token;
                        }
                        else {
                            token = v;
                        }
                    }
                }
            }
            let tokenExpr;
            if (typeof token === 'string') {
                tokenExpr = literal(token);
            }
            else if (token === this.tokenInjector) {
                tokenExpr = importExpr(Identifiers$1.INJECTOR);
            }
            else {
                tokenExpr = ctx.importExpr(token);
            }
            if (flags !== 0 /* Default */) {
                args = [tokenExpr, literal(flags)];
            }
            else {
                args = [tokenExpr];
            }
            return importExpr(Identifiers$1.inject).callFn(args);
        });
    }
    factoryFor(injectable, ctx) {
        let retValue;
        if (injectable.useExisting) {
            retValue = importExpr(Identifiers$1.inject).callFn([ctx.importExpr(injectable.useExisting)]);
        }
        else if (injectable.useFactory) {
            const deps = injectable.deps || [];
            if (deps.length > 0) {
                retValue = ctx.importExpr(injectable.useFactory).callFn(this.depsArray(deps, ctx));
            }
            else {
                return ctx.importExpr(injectable.useFactory);
            }
        }
        else if (injectable.useValue) {
            retValue = convertValueToOutputAst(ctx, injectable.useValue);
        }
        else {
            const clazz = injectable.useClass || injectable.symbol;
            const depArgs = this.depsArray(this.reflector.parameters(clazz), ctx);
            retValue = new InstantiateExpr(ctx.importExpr(clazz), depArgs);
        }
        return fn([], [new ReturnStatement(retValue)], undefined, undefined, injectable.symbol.name + '_Factory');
    }
    injectableDef(injectable, ctx) {
        let providedIn = NULL_EXPR;
        if (injectable.providedIn !== undefined) {
            if (injectable.providedIn === null) {
                providedIn = NULL_EXPR;
            }
            else if (typeof injectable.providedIn === 'string') {
                providedIn = literal(injectable.providedIn);
            }
            else {
                providedIn = ctx.importExpr(injectable.providedIn);
            }
        }
        const def = [
            mapEntry$1('factory', this.factoryFor(injectable, ctx)),
            mapEntry$1('token', ctx.importExpr(injectable.type.reference)),
            mapEntry$1('providedIn', providedIn),
        ];
        return importExpr(Identifiers.ɵɵdefineInjectable).callFn([literalMap(def)], undefined, true);
    }
    compile(injectable, ctx) {
        if (this.alwaysGenerateDef || injectable.providedIn !== undefined) {
            const className = identifierName(injectable.type);
            const clazz = new ClassStmt(className, null, [
                new ClassField('ɵprov', INFERRED_TYPE, [StmtModifier.Static], this.injectableDef(injectable, ctx)),
            ], [], new ClassMethod(null, [], []), []);
            ctx.statements.push(clazz);
        }
    }
}

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
const STRIP_SRC_FILE_SUFFIXES = /(\.ts|\.d\.ts|\.js|\.jsx|\.tsx)$/;
const GENERATED_FILE = /\.ngfactory\.|\.ngsummary\./;
const JIT_SUMMARY_FILE = /\.ngsummary\./;
const JIT_SUMMARY_NAME = /NgSummary$/;
function ngfactoryFilePath(filePath, forceSourceFile = false) {
    const urlWithSuffix = splitTypescriptSuffix(filePath, forceSourceFile);
    return `${urlWithSuffix[0]}.ngfactory${normalizeGenFileSuffix(urlWithSuffix[1])}`;
}
function stripGeneratedFileSuffix(filePath) {
    return filePath.replace(GENERATED_FILE, '.');
}
function isGeneratedFile(filePath) {
    return GENERATED_FILE.test(filePath);
}
function splitTypescriptSuffix(path, forceSourceFile = false) {
    if (path.endsWith('.d.ts')) {
        return [path.slice(0, -5), forceSourceFile ? '.ts' : '.d.ts'];
    }
    const lastDot = path.lastIndexOf('.');
    if (lastDot !== -1) {
        return [path.substring(0, lastDot), path.substring(lastDot)];
    }
    return [path, ''];
}
function normalizeGenFileSuffix(srcFileSuffix) {
    return srcFileSuffix === '.tsx' ? '.ts' : srcFileSuffix;
}
function summaryFileName(fileName) {
    const fileNameWithoutSuffix = fileName.replace(STRIP_SRC_FILE_SUFFIXES, '');
    return `${fileNameWithoutSuffix}.ngsummary.json`;
}
function summaryForJitFileName(fileName, forceSourceFile = false) {
    const urlWithSuffix = splitTypescriptSuffix(stripGeneratedFileSuffix(fileName), forceSourceFile);
    return `${urlWithSuffix[0]}.ngsummary${urlWithSuffix[1]}`;
}
function stripSummaryForJitFileSuffix(filePath) {
    return filePath.replace(JIT_SUMMARY_FILE, '.');
}
function summaryForJitName(symbolName) {
    return `${symbolName}NgSummary`;
}
function stripSummaryForJitNameSuffix(symbolName) {
    return symbolName.replace(JIT_SUMMARY_NAME, '');
}
const LOWERED_SYMBOL = /\u0275\d+/;
function isLoweredSymbol(name) {
    return LOWERED_SYMBOL.test(name);
}
function createLoweredSymbol(id) {
    return `\u0275${id}`;
}

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
var LifecycleHooks;
(function (LifecycleHooks) {
    LifecycleHooks[LifecycleHooks["OnInit"] = 0] = "OnInit";
    LifecycleHooks[LifecycleHooks["OnDestroy"] = 1] = "OnDestroy";
    LifecycleHooks[LifecycleHooks["DoCheck"] = 2] = "DoCheck";
    LifecycleHooks[LifecycleHooks["OnChanges"] = 3] = "OnChanges";
    LifecycleHooks[LifecycleHooks["AfterContentInit"] = 4] = "AfterContentInit";
    LifecycleHooks[LifecycleHooks["AfterContentChecked"] = 5] = "AfterContentChecked";
    LifecycleHooks[LifecycleHooks["AfterViewInit"] = 6] = "AfterViewInit";
    LifecycleHooks[LifecycleHooks["AfterViewChecked"] = 7] = "AfterViewChecked";
})(LifecycleHooks || (LifecycleHooks = {}));
const LIFECYCLE_HOOKS_VALUES = [
    LifecycleHooks.OnInit, LifecycleHooks.OnDestroy, LifecycleHooks.DoCheck, LifecycleHooks.OnChanges,
    LifecycleHooks.AfterContentInit, LifecycleHooks.AfterContentChecked, LifecycleHooks.AfterViewInit,
    LifecycleHooks.AfterViewChecked
];
function hasLifecycleHook(reflector, hook, token) {
    return reflector.hasLifecycleHook(token, getHookName(hook));
}
function getAllLifecycleHooks(reflector, token) {
    return LIFECYCLE_HOOKS_VALUES.filter(hook => hasLifecycleHook(reflector, hook, token));
}
function getHookName(hook) {
    switch (hook) {
        case LifecycleHooks.OnInit:
            return 'ngOnInit';
        case LifecycleHooks.OnDestroy:
            return 'ngOnDestroy';
        case LifecycleHooks.DoCheck:
            return 'ngDoCheck';
        case LifecycleHooks.OnChanges:
            return 'ngOnChanges';
        case LifecycleHooks.AfterContentInit:
            return 'ngAfterContentInit';
        case LifecycleHooks.AfterContentChecked:
            return 'ngAfterContentChecked';
        case LifecycleHooks.AfterViewInit:
            return 'ngAfterViewInit';
        case LifecycleHooks.AfterViewChecked:
            return 'ngAfterViewChecked';
        default:
            // This default case is not needed by TypeScript compiler, as the switch is exhaustive.
            // However Closure Compiler does not understand that and reports an error in typed mode.
            // The `throw new Error` below works around the problem, and the unexpected: never variable
            // makes sure tsc still checks this code is unreachable.
            const unexpected = hook;
            throw new Error(`unexpected ${unexpected}`);
    }
}

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
const ERROR_COMPONENT_TYPE = 'ngComponentType';
const MISSING_NG_MODULE_METADATA_ERROR_DATA = 'ngMissingNgModuleMetadataErrorData';
function getMissingNgModuleMetadataErrorData(error) {
    var _a;
    return (_a = error[MISSING_NG_MODULE_METADATA_ERROR_DATA]) !== null && _a !== void 0 ? _a : null;
}
// Design notes:
// - don't lazily create metadata:
//   For some metadata, we need to do async work sometimes,
//   so the user has to kick off this loading.
//   But we want to report errors even when the async work is
//   not required to check that the user would have been able
//   to wait correctly.
class CompileMetadataResolver {
    constructor(_config, _htmlParser, _ngModuleResolver, _directiveResolver, _pipeResolver, _summaryResolver, _schemaRegistry, _directiveNormalizer, _console, _staticSymbolCache, _reflector, _errorCollector) {
        this._config = _config;
        this._htmlParser = _htmlParser;
        this._ngModuleResolver = _ngModuleResolver;
        this._directiveResolver = _directiveResolver;
        this._pipeResolver = _pipeResolver;
        this._summaryResolver = _summaryResolver;
        this._schemaRegistry = _schemaRegistry;
        this._directiveNormalizer = _directiveNormalizer;
        this._console = _console;
        this._staticSymbolCache = _staticSymbolCache;
        this._reflector = _reflector;
        this._errorCollector = _errorCollector;
        this._nonNormalizedDirectiveCache = new Map();
        this._directiveCache = new Map();
        this._summaryCache = new Map();
        this._pipeCache = new Map();
        this._ngModuleCache = new Map();
        this._ngModuleOfTypes = new Map();
        this._shallowModuleCache = new Map();
    }
    getReflector() {
        return this._reflector;
    }
    clearCacheFor(type) {
        const dirMeta = this._directiveCache.get(type);
        this._directiveCache.delete(type);
        this._nonNormalizedDirectiveCache.delete(type);
        this._summaryCache.delete(type);
        this._pipeCache.delete(type);
        this._ngModuleOfTypes.delete(type);
        // Clear all of the NgModule as they contain transitive information!
        this._ngModuleCache.clear();
        if (dirMeta) {
            this._directiveNormalizer.clearCacheFor(dirMeta);
        }
    }
    clearCache() {
        this._directiveCache.clear();
        this._nonNormalizedDirectiveCache.clear();
        this._summaryCache.clear();
        this._pipeCache.clear();
        this._ngModuleCache.clear();
        this._ngModuleOfTypes.clear();
        this._directiveNormalizer.clearCache();
    }
    _createProxyClass(baseType, name) {
        let delegate = null;
        const proxyClass = function () {
            if (!delegate) {
                throw new Error(`Illegal state: Class ${name} for type ${stringify(baseType)} is not compiled yet!`);
            }
            return delegate.apply(this, arguments);
        };
        proxyClass.setDelegate = (d) => {
            delegate = d;
            proxyClass.prototype = d.prototype;
        };
        // Make stringify work correctly
        proxyClass.overriddenName = name;
        return proxyClass;
    }
    getGeneratedClass(dirType, name) {
        if (dirType instanceof StaticSymbol) {
            return this._staticSymbolCache.get(ngfactoryFilePath(dirType.filePath), name);
        }
        else {
            return this._createProxyClass(dirType, name);
        }
    }
    getComponentViewClass(dirType) {
        return this.getGeneratedClass(dirType, viewClassName(dirType, 0));
    }
    getHostComponentViewClass(dirType) {
        return this.getGeneratedClass(dirType, hostViewClassName(dirType));
    }
    getHostComponentType(dirType) {
        const name = `${identifierName({ reference: dirType })}_Host`;
        if (dirType instanceof StaticSymbol) {
            return this._staticSymbolCache.get(dirType.filePath, name);
        }
        return this._createProxyClass(dirType, name);
    }
    getRendererType(dirType) {
        if (dirType instanceof StaticSymbol) {
            return this._staticSymbolCache.get(ngfactoryFilePath(dirType.filePath), rendererTypeName(dirType));
        }
        else {
            // returning an object as proxy,
            // that we fill later during runtime compilation.
            return {};
        }
    }
    getComponentFactory(selector, dirType, inputs, outputs) {
        if (dirType instanceof StaticSymbol) {
            return this._staticSymbolCache.get(ngfactoryFilePath(dirType.filePath), componentFactoryName(dirType));
        }
        else {
            const hostView = this.getHostComponentViewClass(dirType);
            // Note: ngContentSelectors will be filled later once the template is
            // loaded.
            const createComponentFactory = this._reflector.resolveExternalReference(Identifiers$1.createComponentFactory);
            return createComponentFactory(selector, dirType, hostView, inputs, outputs, []);
        }
    }
    initComponentFactory(factory, ngContentSelectors) {
        if (!(factory instanceof StaticSymbol)) {
            factory.ngContentSelectors.push(...ngContentSelectors);
        }
    }
    _loadSummary(type, kind) {
        let typeSummary = this._summaryCache.get(type);
        if (!typeSummary) {
            const summary = this._summaryResolver.resolveSummary(type);
            typeSummary = summary ? summary.type : null;
            this._summaryCache.set(type, typeSummary || null);
        }
        return typeSummary && typeSummary.summaryKind === kind ? typeSummary : null;
    }
    getHostComponentMetadata(compMeta, hostViewType) {
        const hostType = this.getHostComponentType(compMeta.type.reference);
        if (!hostViewType) {
            hostViewType = this.getHostComponentViewClass(hostType);
        }
        // Note: ! is ok here as this method should only be called with normalized directive
        // metadata, which always fills in the selector.
        const template = CssSelector.parse(compMeta.selector)[0].getMatchingElementTemplate();
        const templateUrl = '';
        const htmlAst = this._htmlParser.parse(template, templateUrl);
        return CompileDirectiveMetadata.create({
            isHost: true,
            type: { reference: hostType, diDeps: [], lifecycleHooks: [] },
            template: new CompileTemplateMetadata({
                encapsulation: ViewEncapsulation.None,
                template,
                templateUrl,
                htmlAst,
                styles: [],
                styleUrls: [],
                ngContentSelectors: [],
                animations: [],
                isInline: true,
                externalStylesheets: [],
                interpolation: null,
                preserveWhitespaces: false,
            }),
            exportAs: null,
            changeDetection: ChangeDetectionStrategy.Default,
            inputs: [],
            outputs: [],
            host: {},
            isComponent: true,
            selector: '*',
            providers: [],
            viewProviders: [],
            queries: [],
            guards: {},
            viewQueries: [],
            componentViewType: hostViewType,
            rendererType: { id: '__Host__', encapsulation: ViewEncapsulation.None, styles: [], data: {} },
            entryComponents: [],
            componentFactory: null
        });
    }
    loadDirectiveMetadata(ngModuleType, directiveType, isSync) {
        if (this._directiveCache.has(directiveType)) {
            return null;
        }
        directiveType = resolveForwardRef(directiveType);
        const { annotation, metadata } = this.getNonNormalizedDirectiveMetadata(directiveType);
        const createDirectiveMetadata = (templateMetadata) => {
            const normalizedDirMeta = new CompileDirectiveMetadata({
                isHost: false,
                type: metadata.type,
                isComponent: metadata.isComponent,
                selector: metadata.selector,
                exportAs: metadata.exportAs,
                changeDetection: metadata.changeDetection,
                inputs: metadata.inputs,
                outputs: metadata.outputs,
                hostListeners: metadata.hostListeners,
                hostProperties: metadata.hostProperties,
                hostAttributes: metadata.hostAttributes,
                providers: metadata.providers,
                viewProviders: metadata.viewProviders,
                queries: metadata.queries,
                guards: metadata.guards,
                viewQueries: metadata.viewQueries,
                entryComponents: metadata.entryComponents,
                componentViewType: metadata.componentViewType,
                rendererType: metadata.rendererType,
                componentFactory: metadata.componentFactory,
                template: templateMetadata
            });
            if (templateMetadata) {
                this.initComponentFactory(metadata.componentFactory, templateMetadata.ngContentSelectors);
            }
            this._directiveCache.set(directiveType, normalizedDirMeta);
            this._summaryCache.set(directiveType, normalizedDirMeta.toSummary());
            return null;
        };
        if (metadata.isComponent) {
            const template = metadata.template;
            const templateMeta = this._directiveNormalizer.normalizeTemplate({
                ngModuleType,
                componentType: directiveType,
                moduleUrl: this._reflector.componentModuleUrl(directiveType, annotation),
                encapsulation: template.encapsulation,
                template: template.template,
                templateUrl: template.templateUrl,
                styles: template.styles,
                styleUrls: template.styleUrls,
                animations: template.animations,
                interpolation: template.interpolation,
                preserveWhitespaces: template.preserveWhitespaces
            });
            if (isPromise(templateMeta) && isSync) {
                this._reportError(componentStillLoadingError(directiveType), directiveType);
                return null;
            }
            return SyncAsync.then(templateMeta, createDirectiveMetadata);
        }
        else {
            // directive
            createDirectiveMetadata(null);
            return null;
        }
    }
    getNonNormalizedDirectiveMetadata(directiveType) {
        directiveType = resolveForwardRef(directiveType);
        if (!directiveType) {
            return null;
        }
        let cacheEntry = this._nonNormalizedDirectiveCache.get(directiveType);
        if (cacheEntry) {
            return cacheEntry;
        }
        const dirMeta = this._directiveResolver.resolve(directiveType, false);
        if (!dirMeta) {
            return null;
        }
        let nonNormalizedTemplateMetadata = undefined;
        if (createComponent.isTypeOf(dirMeta)) {
            // component
            const compMeta = dirMeta;
            assertArrayOfStrings('styles', compMeta.styles);
            assertArrayOfStrings('styleUrls', compMeta.styleUrls);
            assertInterpolationSymbols('interpolation', compMeta.interpolation);
            const animations = compMeta.animations;
            nonNormalizedTemplateMetadata = new CompileTemplateMetadata({
                encapsulation: noUndefined(compMeta.encapsulation),
                template: noUndefined(compMeta.template),
                templateUrl: noUndefined(compMeta.templateUrl),
                htmlAst: null,
                styles: compMeta.styles || [],
                styleUrls: compMeta.styleUrls || [],
                animations: animations || [],
                interpolation: noUndefined(compMeta.interpolation),
                isInline: !!compMeta.template,
                externalStylesheets: [],
                ngContentSelectors: [],
                preserveWhitespaces: noUndefined(dirMeta.preserveWhitespaces),
            });
        }
        let changeDetectionStrategy = null;
        let viewProviders = [];
        let entryComponentMetadata = [];
        let selector = dirMeta.selector;
        if (createComponent.isTypeOf(dirMeta)) {
            // Component
            const compMeta = dirMeta;
            changeDetectionStrategy = compMeta.changeDetection;
            if (compMeta.viewProviders) {
                viewProviders = this._getProvidersMetadata(compMeta.viewProviders, entryComponentMetadata, `viewProviders for "${stringifyType(directiveType)}"`, [], directiveType);
            }
            if (compMeta.entryComponents) {
                entryComponentMetadata = flattenAndDedupeArray(compMeta.entryComponents)
                    .map((type) => this._getEntryComponentMetadata(type))
                    .concat(entryComponentMetadata);
            }
            if (!selector) {
                selector = this._schemaRegistry.getDefaultComponentElementName();
            }
        }
        else {
            // Directive
            if (!selector) {
                selector = null;
            }
        }
        let providers = [];
        if (dirMeta.providers != null) {
            providers = this._getProvidersMetadata(dirMeta.providers, entryComponentMetadata, `providers for "${stringifyType(directiveType)}"`, [], directiveType);
        }
        let queries = [];
        let viewQueries = [];
        if (dirMeta.queries != null) {
            queries = this._getQueriesMetadata(dirMeta.queries, false, directiveType);
            viewQueries = this._getQueriesMetadata(dirMeta.queries, true, directiveType);
        }
        const metadata = CompileDirectiveMetadata.create({
            isHost: false,
            selector: selector,
            exportAs: noUndefined(dirMeta.exportAs),
            isComponent: !!nonNormalizedTemplateMetadata,
            type: this._getTypeMetadata(directiveType),
            template: nonNormalizedTemplateMetadata,
            changeDetection: changeDetectionStrategy,
            inputs: dirMeta.inputs || [],
            outputs: dirMeta.outputs || [],
            host: dirMeta.host || {},
            providers: providers || [],
            viewProviders: viewProviders || [],
            queries: queries || [],
            guards: dirMeta.guards || {},
            viewQueries: viewQueries || [],
            entryComponents: entryComponentMetadata,
            componentViewType: nonNormalizedTemplateMetadata ? this.getComponentViewClass(directiveType) :
                null,
            rendererType: nonNormalizedTemplateMetadata ? this.getRendererType(directiveType) : null,
            componentFactory: null
        });
        if (nonNormalizedTemplateMetadata) {
            metadata.componentFactory =
                this.getComponentFactory(selector, directiveType, metadata.inputs, metadata.outputs);
        }
        cacheEntry = { metadata, annotation: dirMeta };
        this._nonNormalizedDirectiveCache.set(directiveType, cacheEntry);
        return cacheEntry;
    }
    /**
     * Gets the metadata for the given directive.
     * This assumes `loadNgModuleDirectiveAndPipeMetadata` has been called first.
     */
    getDirectiveMetadata(directiveType) {
        const dirMeta = this._directiveCache.get(directiveType);
        if (!dirMeta) {
            this._reportError(syntaxError(`Illegal state: getDirectiveMetadata can only be called after loadNgModuleDirectiveAndPipeMetadata for a module that declares it. Directive ${stringifyType(directiveType)}.`), directiveType);
        }
        return dirMeta;
    }
    getDirectiveSummary(dirType) {
        const dirSummary = this._loadSummary(dirType, CompileSummaryKind.Directive);
        if (!dirSummary) {
            this._reportError(syntaxError(`Illegal state: Could not load the summary for directive ${stringifyType(dirType)}.`), dirType);
        }
        return dirSummary;
    }
    isDirective(type) {
        return !!this._loadSummary(type, CompileSummaryKind.Directive) ||
            this._directiveResolver.isDirective(type);
    }
    isAbstractDirective(type) {
        const summary = this._loadSummary(type, CompileSummaryKind.Directive);
        if (summary && !summary.isComponent) {
            return !summary.selector;
        }
        const meta = this._directiveResolver.resolve(type, false);
        if (meta && !createComponent.isTypeOf(meta)) {
            return !meta.selector;
        }
        return false;
    }
    isPipe(type) {
        return !!this._loadSummary(type, CompileSummaryKind.Pipe) ||
            this._pipeResolver.isPipe(type);
    }
    isNgModule(type) {
        return !!this._loadSummary(type, CompileSummaryKind.NgModule) ||
            this._ngModuleResolver.isNgModule(type);
    }
    getNgModuleSummary(moduleType, alreadyCollecting = null) {
        let moduleSummary = this._loadSummary(moduleType, CompileSummaryKind.NgModule);
        if (!moduleSummary) {
            const moduleMeta = this.getNgModuleMetadata(moduleType, false, alreadyCollecting);
            moduleSummary = moduleMeta ? moduleMeta.toSummary() : null;
            if (moduleSummary) {
                this._summaryCache.set(moduleType, moduleSummary);
            }
        }
        return moduleSummary;
    }
    /**
     * Loads the declared directives and pipes of an NgModule.
     */
    loadNgModuleDirectiveAndPipeMetadata(moduleType, isSync, throwIfNotFound = true) {
        const ngModule = this.getNgModuleMetadata(moduleType, throwIfNotFound);
        const loading = [];
        if (ngModule) {
            ngModule.declaredDirectives.forEach((id) => {
                const promise = this.loadDirectiveMetadata(moduleType, id.reference, isSync);
                if (promise) {
                    loading.push(promise);
                }
            });
            ngModule.declaredPipes.forEach((id) => this._loadPipeMetadata(id.reference));
        }
        return Promise.all(loading);
    }
    getShallowModuleMetadata(moduleType) {
        let compileMeta = this._shallowModuleCache.get(moduleType);
        if (compileMeta) {
            return compileMeta;
        }
        const ngModuleMeta = findLast(this._reflector.shallowAnnotations(moduleType), createNgModule.isTypeOf);
        compileMeta = {
            type: this._getTypeMetadata(moduleType),
            rawExports: ngModuleMeta.exports,
            rawImports: ngModuleMeta.imports,
            rawProviders: ngModuleMeta.providers,
        };
        this._shallowModuleCache.set(moduleType, compileMeta);
        return compileMeta;
    }
    getNgModuleMetadata(moduleType, throwIfNotFound = true, alreadyCollecting = null) {
        moduleType = resolveForwardRef(moduleType);
        let compileMeta = this._ngModuleCache.get(moduleType);
        if (compileMeta) {
            return compileMeta;
        }
        const meta = this._ngModuleResolver.resolve(moduleType, throwIfNotFound);
        if (!meta) {
            return null;
        }
        const declaredDirectives = [];
        const exportedNonModuleIdentifiers = [];
        const declaredPipes = [];
        const importedModules = [];
        const exportedModules = [];
        const providers = [];
        const entryComponents = [];
        const bootstrapComponents = [];
        const schemas = [];
        if (meta.imports) {
            flattenAndDedupeArray(meta.imports).forEach((importedType) => {
                let importedModuleType = undefined;
                if (isValidType(importedType)) {
                    importedModuleType = importedType;
                }
                else if (importedType && importedType.ngModule) {
                    const moduleWithProviders = importedType;
                    importedModuleType = moduleWithProviders.ngModule;
                    if (moduleWithProviders.providers) {
                        providers.push(...this._getProvidersMetadata(moduleWithProviders.providers, entryComponents, `provider for the NgModule '${stringifyType(importedModuleType)}'`, [], importedType));
                    }
                }
                if (importedModuleType) {
                    if (this._checkSelfImport(moduleType, importedModuleType))
                        return;
                    if (!alreadyCollecting)
                        alreadyCollecting = new Set();
                    if (alreadyCollecting.has(importedModuleType)) {
                        this._reportError(syntaxError(`${this._getTypeDescriptor(importedModuleType)} '${stringifyType(importedType)}' is imported recursively by the module '${stringifyType(moduleType)}'.`), moduleType);
                        return;
                    }
                    alreadyCollecting.add(importedModuleType);
                    const importedModuleSummary = this.getNgModuleSummary(importedModuleType, alreadyCollecting);
                    alreadyCollecting.delete(importedModuleType);
                    if (!importedModuleSummary) {
                        const err = syntaxError(`Unexpected ${this._getTypeDescriptor(importedType)} '${stringifyType(importedType)}' imported by the module '${stringifyType(moduleType)}'. Please add a @NgModule annotation.`);
                        // If possible, record additional context for this error to enable more useful
                        // diagnostics on the compiler side.
                        if (importedType instanceof StaticSymbol) {
                            err[MISSING_NG_MODULE_METADATA_ERROR_DATA] = {
                                fileName: importedType.filePath,
                                className: importedType.name,
                            };
                        }
                        this._reportError(err, moduleType);
                        return;
                    }
                    importedModules.push(importedModuleSummary);
                }
                else {
                    this._reportError(syntaxError(`Unexpected value '${stringifyType(importedType)}' imported by the module '${stringifyType(moduleType)}'`), moduleType);
                    return;
                }
            });
        }
        if (meta.exports) {
            flattenAndDedupeArray(meta.exports).forEach((exportedType) => {
                if (!isValidType(exportedType)) {
                    this._reportError(syntaxError(`Unexpected value '${stringifyType(exportedType)}' exported by the module '${stringifyType(moduleType)}'`), moduleType);
                    return;
                }
                if (!alreadyCollecting)
                    alreadyCollecting = new Set();
                if (alreadyCollecting.has(exportedType)) {
                    this._reportError(syntaxError(`${this._getTypeDescriptor(exportedType)} '${stringify(exportedType)}' is exported recursively by the module '${stringifyType(moduleType)}'`), moduleType);
                    return;
                }
                alreadyCollecting.add(exportedType);
                const exportedModuleSummary = this.getNgModuleSummary(exportedType, alreadyCollecting);
                alreadyCollecting.delete(exportedType);
                if (exportedModuleSummary) {
                    exportedModules.push(exportedModuleSummary);
                }
                else {
                    exportedNonModuleIdentifiers.push(this._getIdentifierMetadata(exportedType));
                }
            });
        }
        // Note: This will be modified later, so we rely on
        // getting a new instance every time!
        const transitiveModule = this._getTransitiveNgModuleMetadata(importedModules, exportedModules);
        if (meta.declarations) {
            flattenAndDedupeArray(meta.declarations).forEach((declaredType) => {
                if (!isValidType(declaredType)) {
                    this._reportError(syntaxError(`Unexpected value '${stringifyType(declaredType)}' declared by the module '${stringifyType(moduleType)}'`), moduleType);
                    return;
                }
                const declaredIdentifier = this._getIdentifierMetadata(declaredType);
                if (this.isDirective(declaredType)) {
                    if (this.isAbstractDirective(declaredType)) {
                        this._reportError(syntaxError(`Directive ${stringifyType(declaredType)} has no selector, please add it!`), declaredType);
                    }
                    transitiveModule.addDirective(declaredIdentifier);
                    declaredDirectives.push(declaredIdentifier);
                    this._addTypeToModule(declaredType, moduleType);
                }
                else if (this.isPipe(declaredType)) {
                    transitiveModule.addPipe(declaredIdentifier);
                    transitiveModule.pipes.push(declaredIdentifier);
                    declaredPipes.push(declaredIdentifier);
                    this._addTypeToModule(declaredType, moduleType);
                }
                else {
                    this._reportError(syntaxError(`Unexpected ${this._getTypeDescriptor(declaredType)} '${stringifyType(declaredType)}' declared by the module '${stringifyType(moduleType)}'. Please add a @Pipe/@Directive/@Component annotation.`), moduleType);
                    return;
                }
            });
        }
        const exportedDirectives = [];
        const exportedPipes = [];
        exportedNonModuleIdentifiers.forEach((exportedId) => {
            if (transitiveModule.directivesSet.has(exportedId.reference)) {
                exportedDirectives.push(exportedId);
                transitiveModule.addExportedDirective(exportedId);
            }
            else if (transitiveModule.pipesSet.has(exportedId.reference)) {
                exportedPipes.push(exportedId);
                transitiveModule.addExportedPipe(exportedId);
            }
            else {
                this._reportError(syntaxError(`Can't export ${this._getTypeDescriptor(exportedId.reference)} ${stringifyType(exportedId.reference)} from ${stringifyType(moduleType)} as it was neither declared nor imported!`), moduleType);
                return;
            }
        });
        // The providers of the module have to go last
        // so that they overwrite any other provider we already added.
        if (meta.providers) {
            providers.push(...this._getProvidersMetadata(meta.providers, entryComponents, `provider for the NgModule '${stringifyType(moduleType)}'`, [], moduleType));
        }
        if (meta.entryComponents) {
            entryComponents.push(...flattenAndDedupeArray(meta.entryComponents)
                .map(type => this._getEntryComponentMetadata(type)));
        }
        if (meta.bootstrap) {
            flattenAndDedupeArray(meta.bootstrap).forEach(type => {
                if (!isValidType(type)) {
                    this._reportError(syntaxError(`Unexpected value '${stringifyType(type)}' used in the bootstrap property of module '${stringifyType(moduleType)}'`), moduleType);
                    return;
                }
                bootstrapComponents.push(this._getIdentifierMetadata(type));
            });
        }
        entryComponents.push(...bootstrapComponents.map(type => this._getEntryComponentMetadata(type.reference)));
        if (meta.schemas) {
            schemas.push(...flattenAndDedupeArray(meta.schemas));
        }
        compileMeta = new CompileNgModuleMetadata({
            type: this._getTypeMetadata(moduleType),
            providers,
            entryComponents,
            bootstrapComponents,
            schemas,
            declaredDirectives,
            exportedDirectives,
            declaredPipes,
            exportedPipes,
            importedModules,
            exportedModules,
            transitiveModule,
            id: meta.id || null,
        });
        entryComponents.forEach((id) => transitiveModule.addEntryComponent(id));
        providers.forEach((provider) => transitiveModule.addProvider(provider, compileMeta.type));
        transitiveModule.addModule(compileMeta.type);
        this._ngModuleCache.set(moduleType, compileMeta);
        return compileMeta;
    }
    _checkSelfImport(moduleType, importedModuleType) {
        if (moduleType === importedModuleType) {
            this._reportError(syntaxError(`'${stringifyType(moduleType)}' module can't import itself`), moduleType);
            return true;
        }
        return false;
    }
    _getTypeDescriptor(type) {
        if (isValidType(type)) {
            if (this.isDirective(type)) {
                return 'directive';
            }
            if (this.isPipe(type)) {
                return 'pipe';
            }
            if (this.isNgModule(type)) {
                return 'module';
            }
        }
        if (type.provide) {
            return 'provider';
        }
        return 'value';
    }
    _addTypeToModule(type, moduleType) {
        const oldModule = this._ngModuleOfTypes.get(type);
        if (oldModule && oldModule !== moduleType) {
            this._reportError(syntaxError(`Type ${stringifyType(type)} is part of the declarations of 2 modules: ${stringifyType(oldModule)} and ${stringifyType(moduleType)}! ` +
                `Please consider moving ${stringifyType(type)} to a higher module that imports ${stringifyType(oldModule)} and ${stringifyType(moduleType)}. ` +
                `You can also create a new NgModule that exports and includes ${stringifyType(type)} then import that NgModule in ${stringifyType(oldModule)} and ${stringifyType(moduleType)}.`), moduleType);
            return;
        }
        this._ngModuleOfTypes.set(type, moduleType);
    }
    _getTransitiveNgModuleMetadata(importedModules, exportedModules) {
        // collect `providers` / `entryComponents` from all imported and all exported modules
        const result = new TransitiveCompileNgModuleMetadata();
        const modulesByToken = new Map();
        importedModules.concat(exportedModules).forEach((modSummary) => {
            modSummary.modules.forEach((mod) => result.addModule(mod));
            modSummary.entryComponents.forEach((comp) => result.addEntryComponent(comp));
            const addedTokens = new Set();
            modSummary.providers.forEach((entry) => {
                const tokenRef = tokenReference(entry.provider.token);
                let prevModules = modulesByToken.get(tokenRef);
                if (!prevModules) {
                    prevModules = new Set();
                    modulesByToken.set(tokenRef, prevModules);
                }
                const moduleRef = entry.module.reference;
                // Note: the providers of one module may still contain multiple providers
                // per token (e.g. for multi providers), and we need to preserve these.
                if (addedTokens.has(tokenRef) || !prevModules.has(moduleRef)) {
                    prevModules.add(moduleRef);
                    addedTokens.add(tokenRef);
                    result.addProvider(entry.provider, entry.module);
                }
            });
        });
        exportedModules.forEach((modSummary) => {
            modSummary.exportedDirectives.forEach((id) => result.addExportedDirective(id));
            modSummary.exportedPipes.forEach((id) => result.addExportedPipe(id));
        });
        importedModules.forEach((modSummary) => {
            modSummary.exportedDirectives.forEach((id) => result.addDirective(id));
            modSummary.exportedPipes.forEach((id) => result.addPipe(id));
        });
        return result;
    }
    _getIdentifierMetadata(type) {
        type = resolveForwardRef(type);
        return { reference: type };
    }
    isInjectable(type) {
        const annotations = this._reflector.tryAnnotations(type);
        return annotations.some(ann => createInjectable.isTypeOf(ann));
    }
    getInjectableSummary(type) {
        return {
            summaryKind: CompileSummaryKind.Injectable,
            type: this._getTypeMetadata(type, null, false)
        };
    }
    getInjectableMetadata(type, dependencies = null, throwOnUnknownDeps = true) {
        const typeSummary = this._loadSummary(type, CompileSummaryKind.Injectable);
        const typeMetadata = typeSummary ?
            typeSummary.type :
            this._getTypeMetadata(type, dependencies, throwOnUnknownDeps);
        const annotations = this._reflector.annotations(type).filter(ann => createInjectable.isTypeOf(ann));
        if (annotations.length === 0) {
            return null;
        }
        const meta = annotations[annotations.length - 1];
        return {
            symbol: type,
            type: typeMetadata,
            providedIn: meta.providedIn,
            useValue: meta.useValue,
            useClass: meta.useClass,
            useExisting: meta.useExisting,
            useFactory: meta.useFactory,
            deps: meta.deps,
        };
    }
    _getTypeMetadata(type, dependencies = null, throwOnUnknownDeps = true) {
        const identifier = this._getIdentifierMetadata(type);
        return {
            reference: identifier.reference,
            diDeps: this._getDependenciesMetadata(identifier.reference, dependencies, throwOnUnknownDeps),
            lifecycleHooks: getAllLifecycleHooks(this._reflector, identifier.reference),
        };
    }
    _getFactoryMetadata(factory, dependencies = null) {
        factory = resolveForwardRef(factory);
        return { reference: factory, diDeps: this._getDependenciesMetadata(factory, dependencies) };
    }
    /**
     * Gets the metadata for the given pipe.
     * This assumes `loadNgModuleDirectiveAndPipeMetadata` has been called first.
     */
    getPipeMetadata(pipeType) {
        const pipeMeta = this._pipeCache.get(pipeType);
        if (!pipeMeta) {
            this._reportError(syntaxError(`Illegal state: getPipeMetadata can only be called after loadNgModuleDirectiveAndPipeMetadata for a module that declares it. Pipe ${stringifyType(pipeType)}.`), pipeType);
        }
        return pipeMeta || null;
    }
    getPipeSummary(pipeType) {
        const pipeSummary = this._loadSummary(pipeType, CompileSummaryKind.Pipe);
        if (!pipeSummary) {
            this._reportError(syntaxError(`Illegal state: Could not load the summary for pipe ${stringifyType(pipeType)}.`), pipeType);
        }
        return pipeSummary;
    }
    getOrLoadPipeMetadata(pipeType) {
        let pipeMeta = this._pipeCache.get(pipeType);
        if (!pipeMeta) {
            pipeMeta = this._loadPipeMetadata(pipeType);
        }
        return pipeMeta;
    }
    _loadPipeMetadata(pipeType) {
        pipeType = resolveForwardRef(pipeType);
        const pipeAnnotation = this._pipeResolver.resolve(pipeType);
        const pipeMeta = new CompilePipeMetadata({
            type: this._getTypeMetadata(pipeType),
            name: pipeAnnotation.name,
            pure: !!pipeAnnotation.pure
        });
        this._pipeCache.set(pipeType, pipeMeta);
        this._summaryCache.set(pipeType, pipeMeta.toSummary());
        return pipeMeta;
    }
    _getDependenciesMetadata(typeOrFunc, dependencies, throwOnUnknownDeps = true) {
        let hasUnknownDeps = false;
        const params = dependencies || this._reflector.parameters(typeOrFunc) || [];
        const dependenciesMetadata = params.map((param) => {
            let isAttribute = false;
            let isHost = false;
            let isSelf = false;
            let isSkipSelf = false;
            let isOptional = false;
            let token = null;
            if (Array.isArray(param)) {
                param.forEach((paramEntry) => {
                    if (createHost.isTypeOf(paramEntry)) {
                        isHost = true;
                    }
                    else if (createSelf.isTypeOf(paramEntry)) {
                        isSelf = true;
                    }
                    else if (createSkipSelf.isTypeOf(paramEntry)) {
                        isSkipSelf = true;
                    }
                    else if (createOptional.isTypeOf(paramEntry)) {
                        isOptional = true;
                    }
                    else if (createAttribute.isTypeOf(paramEntry)) {
                        isAttribute = true;
                        token = paramEntry.attributeName;
                    }
                    else if (createInject.isTypeOf(paramEntry)) {
                        token = paramEntry.token;
                    }
                    else if (createInjectionToken.isTypeOf(paramEntry) ||
                        paramEntry instanceof StaticSymbol) {
                        token = paramEntry;
                    }
                    else if (isValidType(paramEntry) && token == null) {
                        token = paramEntry;
                    }
                });
            }
            else {
                token = param;
            }
            if (token == null) {
                hasUnknownDeps = true;
                return {};
            }
            return {
                isAttribute,
                isHost,
                isSelf,
                isSkipSelf,
                isOptional,
                token: this._getTokenMetadata(token)
            };
        });
        if (hasUnknownDeps) {
            const depsTokens = dependenciesMetadata.map((dep) => dep.token ? stringifyType(dep.token) : '?').join(', ');
            const message = `Can't resolve all parameters for ${stringifyType(typeOrFunc)}: (${depsTokens}).`;
            if (throwOnUnknownDeps || this._config.strictInjectionParameters) {
                this._reportError(syntaxError(message), typeOrFunc);
            }
        }
        return dependenciesMetadata;
    }
    _getTokenMetadata(token) {
        token = resolveForwardRef(token);
        let compileToken;
        if (typeof token === 'string') {
            compileToken = { value: token };
        }
        else {
            compileToken = { identifier: { reference: token } };
        }
        return compileToken;
    }
    _getProvidersMetadata(providers, targetEntryComponents, debugInfo, compileProviders = [], type) {
        providers.forEach((provider, providerIdx) => {
            if (Array.isArray(provider)) {
                this._getProvidersMetadata(provider, targetEntryComponents, debugInfo, compileProviders);
            }
            else {
                provider = resolveForwardRef(provider);
                let providerMeta = undefined;
                if (provider && typeof provider === 'object' && provider.hasOwnProperty('provide')) {
                    this._validateProvider(provider);
                    providerMeta = new ProviderMeta(provider.provide, provider);
                }
                else if (isValidType(provider)) {
                    providerMeta = new ProviderMeta(provider, { useClass: provider });
                }
                else if (provider === void 0) {
                    this._reportError(syntaxError(`Encountered undefined provider! Usually this means you have a circular dependencies. This might be caused by using 'barrel' index.ts files.`));
                    return;
                }
                else {
                    const providersInfo = providers
                        .reduce((soFar, seenProvider, seenProviderIdx) => {
                        if (seenProviderIdx < providerIdx) {
                            soFar.push(`${stringifyType(seenProvider)}`);
                        }
                        else if (seenProviderIdx == providerIdx) {
                            soFar.push(`?${stringifyType(seenProvider)}?`);
                        }
                        else if (seenProviderIdx == providerIdx + 1) {
                            soFar.push('...');
                        }
                        return soFar;
                    }, [])
                        .join(', ');
                    this._reportError(syntaxError(`Invalid ${debugInfo ?
                        debugInfo :
                        'provider'} - only instances of Provider and Type are allowed, got: [${providersInfo}]`), type);
                    return;
                }
                if (providerMeta.token ===
                    this._reflector.resolveExternalReference(Identifiers$1.ANALYZE_FOR_ENTRY_COMPONENTS)) {
                    targetEntryComponents.push(...this._getEntryComponentsFromProvider(providerMeta, type));
                }
                else {
                    compileProviders.push(this.getProviderMetadata(providerMeta));
                }
            }
        });
        return compileProviders;
    }
    _validateProvider(provider) {
        if (provider.hasOwnProperty('useClass') && provider.useClass == null) {
            this._reportError(syntaxError(`Invalid provider for ${stringifyType(provider.provide)}. useClass cannot be ${provider.useClass}.
           Usually it happens when:
           1. There's a circular dependency (might be caused by using index.ts (barrel) files).
           2. Class was used before it was declared. Use forwardRef in this case.`));
        }
    }
    _getEntryComponentsFromProvider(provider, type) {
        const components = [];
        const collectedIdentifiers = [];
        if (provider.useFactory || provider.useExisting || provider.useClass) {
            this._reportError(syntaxError(`The ANALYZE_FOR_ENTRY_COMPONENTS token only supports useValue!`), type);
            return [];
        }
        if (!provider.multi) {
            this._reportError(syntaxError(`The ANALYZE_FOR_ENTRY_COMPONENTS token only supports 'multi = true'!`), type);
            return [];
        }
        extractIdentifiers(provider.useValue, collectedIdentifiers);
        collectedIdentifiers.forEach((identifier) => {
            const entry = this._getEntryComponentMetadata(identifier.reference, false);
            if (entry) {
                components.push(entry);
            }
        });
        return components;
    }
    _getEntryComponentMetadata(dirType, throwIfNotFound = true) {
        const dirMeta = this.getNonNormalizedDirectiveMetadata(dirType);
        if (dirMeta && dirMeta.metadata.isComponent) {
            return { componentType: dirType, componentFactory: dirMeta.metadata.componentFactory };
        }
        const dirSummary = this._loadSummary(dirType, CompileSummaryKind.Directive);
        if (dirSummary && dirSummary.isComponent) {
            return { componentType: dirType, componentFactory: dirSummary.componentFactory };
        }
        if (throwIfNotFound) {
            throw syntaxError(`${dirType.name} cannot be used as an entry component.`);
        }
        return null;
    }
    _getInjectableTypeMetadata(type, dependencies = null) {
        const typeSummary = this._loadSummary(type, CompileSummaryKind.Injectable);
        if (typeSummary) {
            return typeSummary.type;
        }
        return this._getTypeMetadata(type, dependencies);
    }
    getProviderMetadata(provider) {
        let compileDeps = undefined;
        let compileTypeMetadata = null;
        let compileFactoryMetadata = null;
        let token = this._getTokenMetadata(provider.token);
        if (provider.useClass) {
            compileTypeMetadata =
                this._getInjectableTypeMetadata(provider.useClass, provider.dependencies);
            compileDeps = compileTypeMetadata.diDeps;
            if (provider.token === provider.useClass) {
                // use the compileTypeMetadata as it contains information about lifecycleHooks...
                token = { identifier: compileTypeMetadata };
            }
        }
        else if (provider.useFactory) {
            compileFactoryMetadata = this._getFactoryMetadata(provider.useFactory, provider.dependencies);
            compileDeps = compileFactoryMetadata.diDeps;
        }
        return {
            token: token,
            useClass: compileTypeMetadata,
            useValue: provider.useValue,
            useFactory: compileFactoryMetadata,
            useExisting: provider.useExisting ? this._getTokenMetadata(provider.useExisting) : undefined,
            deps: compileDeps,
            multi: provider.multi
        };
    }
    _getQueriesMetadata(queries, isViewQuery, directiveType) {
        const res = [];
        Object.keys(queries).forEach((propertyName) => {
            const query = queries[propertyName];
            if (query.isViewQuery === isViewQuery) {
                res.push(this._getQueryMetadata(query, propertyName, directiveType));
            }
        });
        return res;
    }
    _queryVarBindings(selector) {
        return selector.split(/\s*,\s*/);
    }
    _getQueryMetadata(q, propertyName, typeOrFunc) {
        let selectors;
        if (typeof q.selector === 'string') {
            selectors =
                this._queryVarBindings(q.selector).map(varName => this._getTokenMetadata(varName));
        }
        else {
            if (!q.selector) {
                this._reportError(syntaxError(`Can't construct a query for the property "${propertyName}" of "${stringifyType(typeOrFunc)}" since the query selector wasn't defined.`), typeOrFunc);
                selectors = [];
            }
            else {
                selectors = [this._getTokenMetadata(q.selector)];
            }
        }
        return {
            selectors,
            first: q.first,
            descendants: q.descendants,
            emitDistinctChangesOnly: q.emitDistinctChangesOnly,
            propertyName,
            read: q.read ? this._getTokenMetadata(q.read) : null,
            static: q.static
        };
    }
    _reportError(error, type, otherType) {
        if (this._errorCollector) {
            this._errorCollector(error, type);
            if (otherType) {
                this._errorCollector(error, otherType);
            }
        }
        else {
            throw error;
        }
    }
}
function flattenArray(tree, out = []) {
    if (tree) {
        for (let i = 0; i < tree.length; i++) {
            const item = resolveForwardRef(tree[i]);
            if (Array.isArray(item)) {
                flattenArray(item, out);
            }
            else {
                out.push(item);
            }
        }
    }
    return out;
}
function dedupeArray(array) {
    if (array) {
        return Array.from(new Set(array));
    }
    return [];
}
function flattenAndDedupeArray(tree) {
    return dedupeArray(flattenArray(tree));
}
function isValidType(value) {
    return (value instanceof StaticSymbol) || (value instanceof Type);
}
function extractIdentifiers(value, targetIdentifiers) {
    visitValue(value, new _CompileValueConverter(), targetIdentifiers);
}
class _CompileValueConverter extends ValueTransformer {
    visitOther(value, targetIdentifiers) {
        targetIdentifiers.push({ reference: value });
    }
}
function stringifyType(type) {
    if (type instanceof StaticSymbol) {
        return `${type.name} in ${type.filePath}`;
    }
    else {
        return stringify(type);
    }
}
/**
 * Indicates that a component is still being loaded in a synchronous compile.
 */
function componentStillLoadingError(compType) {
    const error = Error(`Can't compile synchronously as ${stringify(compType)} is still being loaded!`);
    error[ERROR_COMPONENT_TYPE] = compType;
    return error;
}

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
function providerDef(ctx, providerAst) {
    let flags = 0 /* None */;
    if (!providerAst.eager) {
        flags |= 4096 /* LazyProvider */;
    }
    if (providerAst.providerType === ProviderAstType.PrivateService) {
        flags |= 8192 /* PrivateProvider */;
    }
    if (providerAst.isModule) {
        flags |= 1073741824 /* TypeModuleProvider */;
    }
    providerAst.lifecycleHooks.forEach((lifecycleHook) => {
        // for regular providers, we only support ngOnDestroy
        if (lifecycleHook === LifecycleHooks.OnDestroy ||
            providerAst.providerType === ProviderAstType.Directive ||
            providerAst.providerType === ProviderAstType.Component) {
            flags |= lifecycleHookToNodeFlag(lifecycleHook);
        }
    });
    const { providerExpr, flags: providerFlags, depsExpr } = providerAst.multiProvider ?
        multiProviderDef(ctx, flags, providerAst.providers) :
        singleProviderDef(ctx, flags, providerAst.providerType, providerAst.providers[0]);
    return {
        providerExpr,
        flags: providerFlags,
        depsExpr,
        tokenExpr: tokenExpr(ctx, providerAst.token),
    };
}
function multiProviderDef(ctx, flags, providers) {
    const allDepDefs = [];
    const allParams = [];
    const exprs = providers.map((provider, providerIndex) => {
        let expr;
        if (provider.useClass) {
            const depExprs = convertDeps(providerIndex, provider.deps || provider.useClass.diDeps);
            expr = ctx.importExpr(provider.useClass.reference).instantiate(depExprs);
        }
        else if (provider.useFactory) {
            const depExprs = convertDeps(providerIndex, provider.deps || provider.useFactory.diDeps);
            expr = ctx.importExpr(provider.useFactory.reference).callFn(depExprs);
        }
        else if (provider.useExisting) {
            const depExprs = convertDeps(providerIndex, [{ token: provider.useExisting }]);
            expr = depExprs[0];
        }
        else {
            expr = convertValueToOutputAst(ctx, provider.useValue);
        }
        return expr;
    });
    const providerExpr = fn(allParams, [new ReturnStatement(literalArr(exprs))], INFERRED_TYPE);
    return {
        providerExpr,
        flags: flags | 1024 /* TypeFactoryProvider */,
        depsExpr: literalArr(allDepDefs)
    };
    function convertDeps(providerIndex, deps) {
        return deps.map((dep, depIndex) => {
            const paramName = `p${providerIndex}_${depIndex}`;
            allParams.push(new FnParam(paramName, DYNAMIC_TYPE));
            allDepDefs.push(depDef(ctx, dep));
            return variable(paramName);
        });
    }
}
function singleProviderDef(ctx, flags, providerType, providerMeta) {
    let providerExpr;
    let deps;
    if (providerType === ProviderAstType.Directive || providerType === ProviderAstType.Component) {
        providerExpr = ctx.importExpr(providerMeta.useClass.reference);
        flags |= 16384 /* TypeDirective */;
        deps = providerMeta.deps || providerMeta.useClass.diDeps;
    }
    else {
        if (providerMeta.useClass) {
            providerExpr = ctx.importExpr(providerMeta.useClass.reference);
            flags |= 512 /* TypeClassProvider */;
            deps = providerMeta.deps || providerMeta.useClass.diDeps;
        }
        else if (providerMeta.useFactory) {
            providerExpr = ctx.importExpr(providerMeta.useFactory.reference);
            flags |= 1024 /* TypeFactoryProvider */;
            deps = providerMeta.deps || providerMeta.useFactory.diDeps;
        }
        else if (providerMeta.useExisting) {
            providerExpr = NULL_EXPR;
            flags |= 2048 /* TypeUseExistingProvider */;
            deps = [{ token: providerMeta.useExisting }];
        }
        else {
            providerExpr = convertValueToOutputAst(ctx, providerMeta.useValue);
            flags |= 256 /* TypeValueProvider */;
            deps = [];
        }
    }
    const depsExpr = literalArr(deps.map(dep => depDef(ctx, dep)));
    return { providerExpr, flags, depsExpr };
}
function tokenExpr(ctx, tokenMeta) {
    return tokenMeta.identifier ? ctx.importExpr(tokenMeta.identifier.reference) :
        literal(tokenMeta.value);
}
function depDef(ctx, dep) {
    // Note: the following fields have already been normalized out by provider_analyzer:
    // - isAttribute, isHost
    const expr = dep.isValue ? convertValueToOutputAst(ctx, dep.value) : tokenExpr(ctx, dep.token);
    let flags = 0 /* None */;
    if (dep.isSkipSelf) {
        flags |= 1 /* SkipSelf */;
    }
    if (dep.isOptional) {
        flags |= 2 /* Optional */;
    }
    if (dep.isSelf) {
        flags |= 4 /* Self */;
    }
    if (dep.isValue) {
        flags |= 8 /* Value */;
    }
    return flags === 0 /* None */ ? expr : literalArr([literal(flags), expr]);
}
function lifecycleHookToNodeFlag(lifecycleHook) {
    let nodeFlag = 0 /* None */;
    switch (lifecycleHook) {
        case LifecycleHooks.AfterContentChecked:
            nodeFlag = 2097152 /* AfterContentChecked */;
            break;
        case LifecycleHooks.AfterContentInit:
            nodeFlag = 1048576 /* AfterContentInit */;
            break;
        case LifecycleHooks.AfterViewChecked:
            nodeFlag = 8388608 /* AfterViewChecked */;
            break;
        case LifecycleHooks.AfterViewInit:
            nodeFlag = 4194304 /* AfterViewInit */;
            break;
        case LifecycleHooks.DoCheck:
            nodeFlag = 262144 /* DoCheck */;
            break;
        case LifecycleHooks.OnChanges:
            nodeFlag = 524288 /* OnChanges */;
            break;
        case LifecycleHooks.OnDestroy:
            nodeFlag = 131072 /* OnDestroy */;
            break;
        case LifecycleHooks.OnInit:
            nodeFlag = 65536 /* OnInit */;
            break;
    }
    return nodeFlag;
}
function componentFactoryResolverProviderDef(reflector, ctx, flags, entryComponents) {
    const entryComponentFactories = entryComponents.map((entryComponent) => ctx.importExpr(entryComponent.componentFactory));
    const token = createTokenForExternalReference(reflector, Identifiers$1.ComponentFactoryResolver);
    const classMeta = {
        diDeps: [
            { isValue: true, value: literalArr(entryComponentFactories) },
            { token: token, isSkipSelf: true, isOptional: true },
            { token: createTokenForExternalReference(reflector, Identifiers$1.NgModuleRef) },
        ],
        lifecycleHooks: [],
        reference: reflector.resolveExternalReference(Identifiers$1.CodegenComponentFactoryResolver)
    };
    const { providerExpr, flags: providerFlags, depsExpr } = singleProviderDef(ctx, flags, ProviderAstType.PrivateService, {
        token,
        multi: false,
        useClass: classMeta,
    });
    return { providerExpr, flags: providerFlags, depsExpr, tokenExpr: tokenExpr(ctx, token) };
}

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
class NgModuleCompileResult {
    constructor(ngModuleFactoryVar) {
        this.ngModuleFactoryVar = ngModuleFactoryVar;
    }
}
const LOG_VAR = variable('_l');
class NgModuleCompiler {
    constructor(reflector) {
        this.reflector = reflector;
    }
    compile(ctx, ngModuleMeta, extraProviders) {
        const sourceSpan = typeSourceSpan('NgModule', ngModuleMeta.type);
        const entryComponentFactories = ngModuleMeta.transitiveModule.entryComponents;
        const bootstrapComponents = ngModuleMeta.bootstrapComponents;
        const providerParser = new NgModuleProviderAnalyzer(this.reflector, ngModuleMeta, extraProviders, sourceSpan);
        const providerDefs = [componentFactoryResolverProviderDef(this.reflector, ctx, 0 /* None */, entryComponentFactories)]
            .concat(providerParser.parse().map((provider) => providerDef(ctx, provider)))
            .map(({ providerExpr, depsExpr, flags, tokenExpr }) => {
            return importExpr(Identifiers$1.moduleProviderDef).callFn([
                literal(flags), tokenExpr, providerExpr, depsExpr
            ]);
        });
        const ngModuleDef = importExpr(Identifiers$1.moduleDef).callFn([literalArr(providerDefs)]);
        const ngModuleDefFactory = fn([new FnParam(LOG_VAR.name)], [new ReturnStatement(ngModuleDef)], INFERRED_TYPE);
        const ngModuleFactoryVar = `${identifierName(ngModuleMeta.type)}NgFactory`;
        this._createNgModuleFactory(ctx, ngModuleMeta.type.reference, importExpr(Identifiers$1.createModuleFactory).callFn([
            ctx.importExpr(ngModuleMeta.type.reference),
            literalArr(bootstrapComponents.map(id => ctx.importExpr(id.reference))),
            ngModuleDefFactory
        ]));
        if (ngModuleMeta.id) {
            const id = typeof ngModuleMeta.id === 'string' ? literal(ngModuleMeta.id) :
                ctx.importExpr(ngModuleMeta.id);
            const registerFactoryStmt = importExpr(Identifiers$1.RegisterModuleFactoryFn)
                .callFn([id, variable(ngModuleFactoryVar)])
                .toStmt();
            ctx.statements.push(registerFactoryStmt);
        }
        return new NgModuleCompileResult(ngModuleFactoryVar);
    }
    createStub(ctx, ngModuleReference) {
        this._createNgModuleFactory(ctx, ngModuleReference, NULL_EXPR);
    }
    _createNgModuleFactory(ctx, reference, value) {
        const ngModuleFactoryVar = `${identifierName({ reference: reference })}NgFactory`;
        const ngModuleFactoryStmt = variable(ngModuleFactoryVar)
            .set(value)
            .toDeclStmt(importType(Identifiers$1.NgModuleFactory, [expressionType(ctx.importExpr(reference))], [TypeModifier.Const]), [StmtModifier.Final, StmtModifier.Exported]);
        ctx.statements.push(ngModuleFactoryStmt);
    }
}

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
/**
 * Resolves types to {@link NgModule}.
 */
class NgModuleResolver {
    constructor(_reflector) {
        this._reflector = _reflector;
    }
    isNgModule(type) {
        return this._reflector.annotations(type).some(createNgModule.isTypeOf);
    }
    resolve(type, throwIfNotFound = true) {
        const ngModuleMeta = findLast(this._reflector.annotations(type), createNgModule.isTypeOf);
        if (ngModuleMeta) {
            return ngModuleMeta;
        }
        else {
            if (throwIfNotFound) {
                throw new Error(`No NgModule metadata found for '${stringify(type)}'.`);
            }
            return null;
        }
    }
}

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
function debugOutputAstAsTypeScript(ast) {
    const converter = new _TsEmitterVisitor();
    const ctx = EmitterVisitorContext.createRoot();
    const asts = Array.isArray(ast) ? ast : [ast];
    asts.forEach((ast) => {
        if (ast instanceof Statement) {
            ast.visitStatement(converter, ctx);
        }
        else if (ast instanceof Expression) {
            ast.visitExpression(converter, ctx);
        }
        else if (ast instanceof Type$1) {
            ast.visitType(converter, ctx);
        }
        else {
            throw new Error(`Don't know how to print debug info for ${ast}`);
        }
    });
    return ctx.toSource();
}
class TypeScriptEmitter {
    emitStatementsAndContext(genFilePath, stmts, preamble = '', emitSourceMaps = true, referenceFilter, importFilter) {
        const converter = new _TsEmitterVisitor(referenceFilter, importFilter);
        const ctx = EmitterVisitorContext.createRoot();
        converter.visitAllStatements(stmts, ctx);
        const preambleLines = preamble ? preamble.split('\n') : [];
        converter.reexports.forEach((reexports, exportedModuleName) => {
            const reexportsCode = reexports.map(reexport => `${reexport.name} as ${reexport.as}`).join(',');
            preambleLines.push(`export {${reexportsCode}} from '${exportedModuleName}';`);
        });
        converter.importsWithPrefixes.forEach((prefix, importedModuleName) => {
            // Note: can't write the real word for import as it screws up system.js auto detection...
            preambleLines.push(`imp` +
                `ort * as ${prefix} from '${importedModuleName}';`);
        });
        const sm = emitSourceMaps ?
            ctx.toSourceMapGenerator(genFilePath, preambleLines.length).toJsComment() :
            '';
        const lines = [...preambleLines, ctx.toSource(), sm];
        if (sm) {
            // always add a newline at the end, as some tools have bugs without it.
            lines.push('');
        }
        ctx.setPreambleLineCount(preambleLines.length);
        return { sourceText: lines.join('\n'), context: ctx };
    }
    emitStatements(genFilePath, stmts, preamble = '') {
        return this.emitStatementsAndContext(genFilePath, stmts, preamble).sourceText;
    }
}
class _TsEmitterVisitor extends AbstractEmitterVisitor {
    constructor(referenceFilter, importFilter) {
        super(false);
        this.referenceFilter = referenceFilter;
        this.importFilter = importFilter;
        this.typeExpression = 0;
        this.importsWithPrefixes = new Map();
        this.reexports = new Map();
    }
    visitType(t, ctx, defaultType = 'any') {
        if (t) {
            this.typeExpression++;
            t.visitType(this, ctx);
            this.typeExpression--;
        }
        else {
            ctx.print(null, defaultType);
        }
    }
    visitLiteralExpr(ast, ctx) {
        const value = ast.value;
        if (value == null && ast.type != INFERRED_TYPE) {
            ctx.print(ast, `(${value} as any)`);
            return null;
        }
        return super.visitLiteralExpr(ast, ctx);
    }
    // Temporary workaround to support strictNullCheck enabled consumers of ngc emit.
    // In SNC mode, [] have the type never[], so we cast here to any[].
    // TODO: narrow the cast to a more explicit type, or use a pattern that does not
    // start with [].concat. see https://github.com/angular/angular/pull/11846
    visitLiteralArrayExpr(ast, ctx) {
        if (ast.entries.length === 0) {
            ctx.print(ast, '(');
        }
        const result = super.visitLiteralArrayExpr(ast, ctx);
        if (ast.entries.length === 0) {
            ctx.print(ast, ' as any[])');
        }
        return result;
    }
    visitExternalExpr(ast, ctx) {
        this._visitIdentifier(ast.value, ast.typeParams, ctx);
        return null;
    }
    visitAssertNotNullExpr(ast, ctx) {
        const result = super.visitAssertNotNullExpr(ast, ctx);
        ctx.print(ast, '!');
        return result;
    }
    visitDeclareVarStmt(stmt, ctx) {
        if (stmt.hasModifier(StmtModifier.Exported) && stmt.value instanceof ExternalExpr &&
            !stmt.type) {
            // check for a reexport
            const { name, moduleName } = stmt.value.value;
            if (moduleName) {
                let reexports = this.reexports.get(moduleName);
                if (!reexports) {
                    reexports = [];
                    this.reexports.set(moduleName, reexports);
                }
                reexports.push({ name: name, as: stmt.name });
                return null;
            }
        }
        if (stmt.hasModifier(StmtModifier.Exported)) {
            ctx.print(stmt, `export `);
        }
        if (stmt.hasModifier(StmtModifier.Final)) {
            ctx.print(stmt, `const`);
        }
        else {
            ctx.print(stmt, `var`);
        }
        ctx.print(stmt, ` ${stmt.name}`);
        this._printColonType(stmt.type, ctx);
        if (stmt.value) {
            ctx.print(stmt, ` = `);
            stmt.value.visitExpression(this, ctx);
        }
        ctx.println(stmt, `;`);
        return null;
    }
    visitWrappedNodeExpr(ast, ctx) {
        throw new Error('Cannot visit a WrappedNodeExpr when outputting Typescript.');
    }
    visitCastExpr(ast, ctx) {
        ctx.print(ast, `(<`);
        ast.type.visitType(this, ctx);
        ctx.print(ast, `>`);
        ast.value.visitExpression(this, ctx);
        ctx.print(ast, `)`);
        return null;
    }
    visitInstantiateExpr(ast, ctx) {
        ctx.print(ast, `new `);
        this.typeExpression++;
        ast.classExpr.visitExpression(this, ctx);
        this.typeExpression--;
        ctx.print(ast, `(`);
        this.visitAllExpressions(ast.args, ctx, ',');
        ctx.print(ast, `)`);
        return null;
    }
    visitDeclareClassStmt(stmt, ctx) {
        ctx.pushClass(stmt);
        if (stmt.hasModifier(StmtModifier.Exported)) {
            ctx.print(stmt, `export `);
        }
        ctx.print(stmt, `class ${stmt.name}`);
        if (stmt.parent != null) {
            ctx.print(stmt, ` extends `);
            this.typeExpression++;
            stmt.parent.visitExpression(this, ctx);
            this.typeExpression--;
        }
        ctx.println(stmt, ` {`);
        ctx.incIndent();
        stmt.fields.forEach((field) => this._visitClassField(field, ctx));
        if (stmt.constructorMethod != null) {
            this._visitClassConstructor(stmt, ctx);
        }
        stmt.getters.forEach((getter) => this._visitClassGetter(getter, ctx));
        stmt.methods.forEach((method) => this._visitClassMethod(method, ctx));
        ctx.decIndent();
        ctx.println(stmt, `}`);
        ctx.popClass();
        return null;
    }
    _visitClassField(field, ctx) {
        if (field.hasModifier(StmtModifier.Private)) {
            // comment out as a workaround for #10967
            ctx.print(null, `/*private*/ `);
        }
        if (field.hasModifier(StmtModifier.Static)) {
            ctx.print(null, 'static ');
        }
        ctx.print(null, field.name);
        this._printColonType(field.type, ctx);
        if (field.initializer) {
            ctx.print(null, ' = ');
            field.initializer.visitExpression(this, ctx);
        }
        ctx.println(null, `;`);
    }
    _visitClassGetter(getter, ctx) {
        if (getter.hasModifier(StmtModifier.Private)) {
            ctx.print(null, `private `);
        }
        ctx.print(null, `get ${getter.name}()`);
        this._printColonType(getter.type, ctx);
        ctx.println(null, ` {`);
        ctx.incIndent();
        this.visitAllStatements(getter.body, ctx);
        ctx.decIndent();
        ctx.println(null, `}`);
    }
    _visitClassConstructor(stmt, ctx) {
        ctx.print(stmt, `constructor(`);
        this._visitParams(stmt.constructorMethod.params, ctx);
        ctx.println(stmt, `) {`);
        ctx.incIndent();
        this.visitAllStatements(stmt.constructorMethod.body, ctx);
        ctx.decIndent();
        ctx.println(stmt, `}`);
    }
    _visitClassMethod(method, ctx) {
        if (method.hasModifier(StmtModifier.Private)) {
            ctx.print(null, `private `);
        }
        ctx.print(null, `${method.name}(`);
        this._visitParams(method.params, ctx);
        ctx.print(null, `)`);
        this._printColonType(method.type, ctx, 'void');
        ctx.println(null, ` {`);
        ctx.incIndent();
        this.visitAllStatements(method.body, ctx);
        ctx.decIndent();
        ctx.println(null, `}`);
    }
    visitFunctionExpr(ast, ctx) {
        if (ast.name) {
            ctx.print(ast, 'function ');
            ctx.print(ast, ast.name);
        }
        ctx.print(ast, `(`);
        this._visitParams(ast.params, ctx);
        ctx.print(ast, `)`);
        this._printColonType(ast.type, ctx, 'void');
        if (!ast.name) {
            ctx.print(ast, ` => `);
        }
        ctx.println(ast, '{');
        ctx.incIndent();
        this.visitAllStatements(ast.statements, ctx);
        ctx.decIndent();
        ctx.print(ast, `}`);
        return null;
    }
    visitDeclareFunctionStmt(stmt, ctx) {
        if (stmt.hasModifier(StmtModifier.Exported)) {
            ctx.print(stmt, `export `);
        }
        ctx.print(stmt, `function ${stmt.name}(`);
        this._visitParams(stmt.params, ctx);
        ctx.print(stmt, `)`);
        this._printColonType(stmt.type, ctx, 'void');
        ctx.println(stmt, ` {`);
        ctx.incIndent();
        this.visitAllStatements(stmt.statements, ctx);
        ctx.decIndent();
        ctx.println(stmt, `}`);
        return null;
    }
    visitTryCatchStmt(stmt, ctx) {
        ctx.println(stmt, `try {`);
        ctx.incIndent();
        this.visitAllStatements(stmt.bodyStmts, ctx);
        ctx.decIndent();
        ctx.println(stmt, `} catch (${CATCH_ERROR_VAR$1.name}) {`);
        ctx.incIndent();
        const catchStmts = [CATCH_STACK_VAR$1.set(CATCH_ERROR_VAR$1.prop('stack', null)).toDeclStmt(null, [
                StmtModifier.Final
            ])].concat(stmt.catchStmts);
        this.visitAllStatements(catchStmts, ctx);
        ctx.decIndent();
        ctx.println(stmt, `}`);
        return null;
    }
    visitBuiltinType(type, ctx) {
        let typeStr;
        switch (type.name) {
            case BuiltinTypeName.Bool:
                typeStr = 'boolean';
                break;
            case BuiltinTypeName.Dynamic:
                typeStr = 'any';
                break;
            case BuiltinTypeName.Function:
                typeStr = 'Function';
                break;
            case BuiltinTypeName.Number:
                typeStr = 'number';
                break;
            case BuiltinTypeName.Int:
                typeStr = 'number';
                break;
            case BuiltinTypeName.String:
                typeStr = 'string';
                break;
            case BuiltinTypeName.None:
                typeStr = 'never';
                break;
            default:
                throw new Error(`Unsupported builtin type ${type.name}`);
        }
        ctx.print(null, typeStr);
        return null;
    }
    visitExpressionType(ast, ctx) {
        ast.value.visitExpression(this, ctx);
        if (ast.typeParams !== null) {
            ctx.print(null, '<');
            this.visitAllObjects(type => this.visitType(type, ctx), ast.typeParams, ctx, ',');
            ctx.print(null, '>');
        }
        return null;
    }
    visitArrayType(type, ctx) {
        this.visitType(type.of, ctx);
        ctx.print(null, `[]`);
        return null;
    }
    visitMapType(type, ctx) {
        ctx.print(null, `{[key: string]:`);
        this.visitType(type.valueType, ctx);
        ctx.print(null, `}`);
        return null;
    }
    getBuiltinMethodName(method) {
        let name;
        switch (method) {
            case BuiltinMethod.ConcatArray:
                name = 'concat';
                break;
            case BuiltinMethod.SubscribeObservable:
                name = 'subscribe';
                break;
            case BuiltinMethod.Bind:
                name = 'bind';
                break;
            default:
                throw new Error(`Unknown builtin method: ${method}`);
        }
        return name;
    }
    _visitParams(params, ctx) {
        this.visitAllObjects(param => {
            ctx.print(null, param.name);
            this._printColonType(param.type, ctx);
        }, params, ctx, ',');
    }
    _visitIdentifier(value, typeParams, ctx) {
        const { name, moduleName } = value;
        if (this.referenceFilter && this.referenceFilter(value)) {
            ctx.print(null, '(null as any)');
            return;
        }
        if (moduleName && (!this.importFilter || !this.importFilter(value))) {
            let prefix = this.importsWithPrefixes.get(moduleName);
            if (prefix == null) {
                prefix = `i${this.importsWithPrefixes.size}`;
                this.importsWithPrefixes.set(moduleName, prefix);
            }
            ctx.print(null, `${prefix}.`);
        }
        ctx.print(null, name);
        if (this.typeExpression > 0) {
            // If we are in a type expression that refers to a generic type then supply
            // the required type parameters. If there were not enough type parameters
            // supplied, supply any as the type. Outside a type expression the reference
            // should not supply type parameters and be treated as a simple value reference
            // to the constructor function itself.
            const suppliedParameters = typeParams || [];
            if (suppliedParameters.length > 0) {
                ctx.print(null, `<`);
                this.visitAllObjects(type => type.visitType(this, ctx), typeParams, ctx, ',');
                ctx.print(null, `>`);
            }
        }
    }
    _printColonType(type, ctx, defaultType) {
        if (type !== INFERRED_TYPE) {
            ctx.print(null, ':');
            this.visitType(type, ctx, defaultType);
        }
    }
}

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
/**
 * Resolve a `Type` for {@link Pipe}.
 *
 * This interface can be overridden by the application developer to create custom behavior.
 *
 * See {@link Compiler}
 */
class PipeResolver {
    constructor(_reflector) {
        this._reflector = _reflector;
    }
    isPipe(type) {
        const typeMetadata = this._reflector.annotations(resolveForwardRef(type));
        return typeMetadata && typeMetadata.some(createPipe.isTypeOf);
    }
    /**
     * Return {@link Pipe} for a given `Type`.
     */
    resolve(type, throwIfNotFound = true) {
        const metas = this._reflector.annotations(resolveForwardRef(type));
        if (metas) {
            const annotation = findLast(metas, createPipe.isTypeOf);
            if (annotation) {
                return annotation;
            }
        }
        if (throwIfNotFound) {
            throw new Error(`No Pipe decorator found on ${stringify(type)}`);
        }
        return null;
    }
}

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
/**
 * Generates code that is used to type check templates.
 */
class TypeCheckCompiler {
    constructor(options, reflector) {
        this.options = options;
        this.reflector = reflector;
    }
    /**
     * Important notes:
     * - This must not produce new `import` statements, but only refer to types outside
     *   of the file via the variables provided via externalReferenceVars.
     *   This allows Typescript to reuse the old program's structure as no imports have changed.
     * - This must not produce any exports, as this would pollute the .d.ts file
     *   and also violate the point above.
     */
    compileComponent(componentId, component, template, usedPipes, externalReferenceVars, ctx) {
        const pipes = new Map();
        usedPipes.forEach(p => pipes.set(p.name, p.type.reference));
        let embeddedViewCount = 0;
        const viewBuilderFactory = (parent, guards) => {
            const embeddedViewIndex = embeddedViewCount++;
            return new ViewBuilder(this.options, this.reflector, externalReferenceVars, parent, component.type.reference, component.isHost, embeddedViewIndex, pipes, guards, ctx, viewBuilderFactory);
        };
        const visitor = viewBuilderFactory(null, []);
        visitor.visitAll([], template);
        return visitor.build(componentId);
    }
}
const DYNAMIC_VAR_NAME = '_any';
class TypeCheckLocalResolver {
    notifyImplicitReceiverUse() { }
    maybeRestoreView() { }
    getLocal(name) {
        if (name === EventHandlerVars.event.name) {
            // References to the event should not be type-checked.
            // TODO(chuckj): determine a better type for the event.
            return variable(DYNAMIC_VAR_NAME);
        }
        return null;
    }
}
const defaultResolver = new TypeCheckLocalResolver();
class ViewBuilder {
    constructor(options, reflector, externalReferenceVars, parent, component, isHostComponent, embeddedViewIndex, pipes, guards, ctx, viewBuilderFactory) {
        this.options = options;
        this.reflector = reflector;
        this.externalReferenceVars = externalReferenceVars;
        this.parent = parent;
        this.component = component;
        this.isHostComponent = isHostComponent;
        this.embeddedViewIndex = embeddedViewIndex;
        this.pipes = pipes;
        this.guards = guards;
        this.ctx = ctx;
        this.viewBuilderFactory = viewBuilderFactory;
        this.refOutputVars = new Map();
        this.variables = [];
        this.children = [];
        this.updates = [];
        this.actions = [];
    }
    getOutputVar(type) {
        let varName;
        if (type === this.component && this.isHostComponent) {
            varName = DYNAMIC_VAR_NAME;
        }
        else if (type instanceof StaticSymbol) {
            varName = this.externalReferenceVars.get(type);
        }
        else {
            varName = DYNAMIC_VAR_NAME;
        }
        if (!varName) {
            throw new Error(`Illegal State: referring to a type without a variable ${JSON.stringify(type)}`);
        }
        return varName;
    }
    getTypeGuardExpressions(ast) {
        const result = [...this.guards];
        for (let directive of ast.directives) {
            for (let input of directive.inputs) {
                const guard = directive.directive.guards[input.directiveName];
                if (guard) {
                    const useIf = guard === 'UseIf';
                    result.push({
                        guard,
                        useIf,
                        expression: {
                            context: this.component,
                            value: input.value,
                            sourceSpan: input.sourceSpan,
                        },
                    });
                }
            }
        }
        return result;
    }
    visitAll(variables, astNodes) {
        this.variables = variables;
        templateVisitAll(this, astNodes);
    }
    build(componentId, targetStatements = []) {
        this.children.forEach((child) => child.build(componentId, targetStatements));
        let viewStmts = [variable(DYNAMIC_VAR_NAME).set(NULL_EXPR).toDeclStmt(DYNAMIC_TYPE)];
        let bindingCount = 0;
        this.updates.forEach((expression) => {
            const { sourceSpan, context, value } = this.preprocessUpdateExpression(expression);
            const bindingId = `${bindingCount++}`;
            const nameResolver = context === this.component ? this : defaultResolver;
            const { stmts, currValExpr } = convertPropertyBinding(nameResolver, variable(this.getOutputVar(context)), value, bindingId, BindingForm.General);
            stmts.push(new ExpressionStatement(currValExpr));
            viewStmts.push(...stmts.map((stmt) => applySourceSpanToStatementIfNeeded(stmt, sourceSpan)));
        });
        this.actions.forEach(({ sourceSpan, context, value }) => {
            const bindingId = `${bindingCount++}`;
            const nameResolver = context === this.component ? this : defaultResolver;
            const { stmts } = convertActionBinding(nameResolver, variable(this.getOutputVar(context)), value, bindingId);
            viewStmts.push(...stmts.map((stmt) => applySourceSpanToStatementIfNeeded(stmt, sourceSpan)));
        });
        if (this.guards.length) {
            let guardExpression = undefined;
            for (const guard of this.guards) {
                const { context, value } = this.preprocessUpdateExpression(guard.expression);
                const bindingId = `${bindingCount++}`;
                const nameResolver = context === this.component ? this : defaultResolver;
                // We only support support simple expressions and ignore others as they
                // are unlikely to affect type narrowing.
                const { stmts, currValExpr } = convertPropertyBinding(nameResolver, variable(this.getOutputVar(context)), value, bindingId, BindingForm.TrySimple);
                if (stmts.length == 0) {
                    const guardClause = guard.useIf ? currValExpr : this.ctx.importExpr(guard.guard).callFn([currValExpr]);
                    guardExpression = guardExpression ? guardExpression.and(guardClause) : guardClause;
                }
            }
            if (guardExpression) {
                viewStmts = [new IfStmt(guardExpression, viewStmts)];
            }
        }
        const viewName = `_View_${componentId}_${this.embeddedViewIndex}`;
        const viewFactory = new DeclareFunctionStmt(viewName, [], viewStmts);
        targetStatements.push(viewFactory);
        return targetStatements;
    }
    visitBoundText(ast, context) {
        const astWithSource = ast.value;
        const inter = astWithSource.ast;
        inter.expressions.forEach((expr) => this.updates.push({ context: this.component, value: expr, sourceSpan: ast.sourceSpan }));
    }
    visitEmbeddedTemplate(ast, context) {
        this.visitElementOrTemplate(ast);
        // Note: The old view compiler used to use an `any` type
        // for the context in any embedded view.
        // We keep this behaivor behind a flag for now.
        if (this.options.fullTemplateTypeCheck) {
            // Find any applicable type guards. For example, NgIf has a type guard on ngIf
            // (see NgIf.ngIfTypeGuard) that can be used to indicate that a template is only
            // stamped out if ngIf is truthy so any bindings in the template can assume that,
            // if a nullable type is used for ngIf, that expression is not null or undefined.
            const guards = this.getTypeGuardExpressions(ast);
            const childVisitor = this.viewBuilderFactory(this, guards);
            this.children.push(childVisitor);
            childVisitor.visitAll(ast.variables, ast.children);
        }
    }
    visitElement(ast, context) {
        this.visitElementOrTemplate(ast);
        let inputDefs = [];
        let updateRendererExpressions = [];
        let outputDefs = [];
        ast.inputs.forEach((inputAst) => {
            this.updates.push({ context: this.component, value: inputAst.value, sourceSpan: inputAst.sourceSpan });
        });
        templateVisitAll(this, ast.children);
    }
    visitElementOrTemplate(ast) {
        ast.directives.forEach((dirAst) => {
            this.visitDirective(dirAst);
        });
        ast.references.forEach((ref) => {
            let outputVarType = null;
            // Note: The old view compiler used to use an `any` type
            // for directives exposed via `exportAs`.
            // We keep this behaivor behind a flag for now.
            if (ref.value && ref.value.identifier && this.options.fullTemplateTypeCheck) {
                outputVarType = ref.value.identifier.reference;
            }
            else {
                outputVarType = BuiltinTypeName.Dynamic;
            }
            this.refOutputVars.set(ref.name, outputVarType);
        });
        ast.outputs.forEach((outputAst) => {
            this.actions.push({ context: this.component, value: outputAst.handler, sourceSpan: outputAst.sourceSpan });
        });
    }
    visitDirective(dirAst) {
        const dirType = dirAst.directive.type.reference;
        dirAst.inputs.forEach((input) => this.updates.push({ context: this.component, value: input.value, sourceSpan: input.sourceSpan }));
        // Note: The old view compiler used to use an `any` type
        // for expressions in host properties / events.
        // We keep this behaivor behind a flag for now.
        if (this.options.fullTemplateTypeCheck) {
            dirAst.hostProperties.forEach((inputAst) => this.updates.push({ context: dirType, value: inputAst.value, sourceSpan: inputAst.sourceSpan }));
            dirAst.hostEvents.forEach((hostEventAst) => this.actions.push({
                context: dirType,
                value: hostEventAst.handler,
                sourceSpan: hostEventAst.sourceSpan
            }));
        }
    }
    notifyImplicitReceiverUse() { }
    maybeRestoreView() { }
    getLocal(name) {
        if (name == EventHandlerVars.event.name) {
            return variable(this.getOutputVar(BuiltinTypeName.Dynamic));
        }
        for (let currBuilder = this; currBuilder; currBuilder = currBuilder.parent) {
            let outputVarType;
            // check references
            outputVarType = currBuilder.refOutputVars.get(name);
            if (outputVarType == null) {
                // check variables
                const varAst = currBuilder.variables.find((varAst) => varAst.name === name);
                if (varAst) {
                    outputVarType = BuiltinTypeName.Dynamic;
                }
            }
            if (outputVarType != null) {
                return variable(this.getOutputVar(outputVarType));
            }
        }
        return null;
    }
    pipeOutputVar(name) {
        const pipe = this.pipes.get(name);
        if (!pipe) {
            throw new Error(`Illegal State: Could not find pipe ${name} in template of ${this.component}`);
        }
        return this.getOutputVar(pipe);
    }
    preprocessUpdateExpression(expression) {
        return {
            sourceSpan: expression.sourceSpan,
            context: expression.context,
            value: convertPropertyBindingBuiltins({
                createLiteralArrayConverter: (argCount) => (args) => {
                    const arr = literalArr(args);
                    // Note: The old view compiler used to use an `any` type
                    // for arrays.
                    return this.options.fullTemplateTypeCheck ? arr : arr.cast(DYNAMIC_TYPE);
                },
                createLiteralMapConverter: (keys) => (values) => {
                    const entries = keys.map((k, i) => ({
                        key: k.key,
                        value: values[i],
                        quoted: k.quoted,
                    }));
                    const map = literalMap(entries);
                    // Note: The old view compiler used to use an `any` type
                    // for maps.
                    return this.options.fullTemplateTypeCheck ? map : map.cast(DYNAMIC_TYPE);
                },
                createPipeConverter: (name, argCount) => (args) => {
                    // Note: The old view compiler used to use an `any` type
                    // for pipes.
                    const pipeExpr = this.options.fullTemplateTypeCheck ?
                        variable(this.pipeOutputVar(name)) :
                        variable(this.getOutputVar(BuiltinTypeName.Dynamic));
                    return pipeExpr.callMethod('transform', args);
                },
            }, expression.value)
        };
    }
    visitNgContent(ast, context) { }
    visitText(ast, context) { }
    visitDirectiveProperty(ast, context) { }
    visitReference(ast, context) { }
    visitVariable(ast, context) { }
    visitEvent(ast, context) { }
    visitElementProperty(ast, context) { }
    visitAttr(ast, context) { }
}

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
const CLASS_ATTR$1 = 'class';
const STYLE_ATTR = 'style';
const IMPLICIT_TEMPLATE_VAR = '\$implicit';
class ViewCompileResult {
    constructor(viewClassVar, rendererTypeVar) {
        this.viewClassVar = viewClassVar;
        this.rendererTypeVar = rendererTypeVar;
    }
}
class ViewCompiler {
    constructor(_reflector) {
        this._reflector = _reflector;
    }
    compileComponent(outputCtx, component, template, styles, usedPipes) {
        let embeddedViewCount = 0;
        let renderComponentVarName = undefined;
        if (!component.isHost) {
            const template = component.template;
            const customRenderData = [];
            if (template.animations && template.animations.length) {
                customRenderData.push(new LiteralMapEntry('animation', convertValueToOutputAst(outputCtx, template.animations), true));
            }
            const renderComponentVar = variable(rendererTypeName(component.type.reference));
            renderComponentVarName = renderComponentVar.name;
            outputCtx.statements.push(renderComponentVar
                .set(importExpr(Identifiers$1.createRendererType2).callFn([new LiteralMapExpr([
                    new LiteralMapEntry('encapsulation', literal(template.encapsulation), false),
                    new LiteralMapEntry('styles', styles, false),
                    new LiteralMapEntry('data', new LiteralMapExpr(customRenderData), false)
                ])]))
                .toDeclStmt(importType(Identifiers$1.RendererType2), [StmtModifier.Final, StmtModifier.Exported]));
        }
        const viewBuilderFactory = (parent) => {
            const embeddedViewIndex = embeddedViewCount++;
            return new ViewBuilder$1(this._reflector, outputCtx, parent, component, embeddedViewIndex, usedPipes, viewBuilderFactory);
        };
        const visitor = viewBuilderFactory(null);
        visitor.visitAll([], template);
        outputCtx.statements.push(...visitor.build());
        return new ViewCompileResult(visitor.viewName, renderComponentVarName);
    }
}
const LOG_VAR$1 = variable('_l');
const VIEW_VAR = variable('_v');
const CHECK_VAR = variable('_ck');
const COMP_VAR = variable('_co');
const EVENT_NAME_VAR = variable('en');
const ALLOW_DEFAULT_VAR = variable(`ad`);
class ViewBuilder$1 {
    constructor(reflector, outputCtx, parent, component, embeddedViewIndex, usedPipes, viewBuilderFactory) {
        this.reflector = reflector;
        this.outputCtx = outputCtx;
        this.parent = parent;
        this.component = component;
        this.embeddedViewIndex = embeddedViewIndex;
        this.usedPipes = usedPipes;
        this.viewBuilderFactory = viewBuilderFactory;
        this.nodes = [];
        this.purePipeNodeIndices = Object.create(null);
        // Need Object.create so that we don't have builtin values...
        this.refNodeIndices = Object.create(null);
        this.variables = [];
        this.children = [];
        // TODO(tbosch): The old view compiler used to use an `any` type
        // for the context in any embedded view. We keep this behaivor for now
        // to be able to introduce the new view compiler without too many errors.
        this.compType = this.embeddedViewIndex > 0 ?
            DYNAMIC_TYPE :
            expressionType(outputCtx.importExpr(this.component.type.reference));
        this.viewName = viewClassName(this.component.type.reference, this.embeddedViewIndex);
    }
    visitAll(variables, astNodes) {
        this.variables = variables;
        // create the pipes for the pure pipes immediately, so that we know their indices.
        if (!this.parent) {
            this.usedPipes.forEach((pipe) => {
                if (pipe.pure) {
                    this.purePipeNodeIndices[pipe.name] = this._createPipe(null, pipe);
                }
            });
        }
        if (!this.parent) {
            this.component.viewQueries.forEach((query, queryIndex) => {
                // Note: queries start with id 1 so we can use the number in a Bloom filter!
                const queryId = queryIndex + 1;
                const bindingType = query.first ? 0 /* First */ : 1 /* All */;
                const flags = 134217728 /* TypeViewQuery */ | calcQueryFlags(query);
                this.nodes.push(() => ({
                    sourceSpan: null,
                    nodeFlags: flags,
                    nodeDef: importExpr(Identifiers$1.queryDef).callFn([
                        literal(flags), literal(queryId),
                        new LiteralMapExpr([new LiteralMapEntry(query.propertyName, literal(bindingType), false)])
                    ])
                }));
            });
        }
        templateVisitAll(this, astNodes);
        if (this.parent && (astNodes.length === 0 || needsAdditionalRootNode(astNodes))) {
            // if the view is an embedded view, then we need to add an additional root node in some cases
            this.nodes.push(() => ({
                sourceSpan: null,
                nodeFlags: 1 /* TypeElement */,
                nodeDef: importExpr(Identifiers$1.anchorDef).callFn([
                    literal(0 /* None */), NULL_EXPR, NULL_EXPR, literal(0)
                ])
            }));
        }
    }
    build(targetStatements = []) {
        this.children.forEach((child) => child.build(targetStatements));
        const { updateRendererStmts, updateDirectivesStmts, nodeDefExprs } = this._createNodeExpressions();
        const updateRendererFn = this._createUpdateFn(updateRendererStmts);
        const updateDirectivesFn = this._createUpdateFn(updateDirectivesStmts);
        let viewFlags = 0 /* None */;
        if (!this.parent && this.component.changeDetection === ChangeDetectionStrategy.OnPush) {
            viewFlags |= 2 /* OnPush */;
        }
        const viewFactory = new DeclareFunctionStmt(this.viewName, [new FnParam(LOG_VAR$1.name)], [new ReturnStatement(importExpr(Identifiers$1.viewDef).callFn([
                literal(viewFlags),
                literalArr(nodeDefExprs),
                updateDirectivesFn,
                updateRendererFn,
            ]))], importType(Identifiers$1.ViewDefinition), this.embeddedViewIndex === 0 ? [StmtModifier.Exported] : []);
        targetStatements.push(viewFactory);
        return targetStatements;
    }
    _createUpdateFn(updateStmts) {
        let updateFn;
        if (updateStmts.length > 0) {
            const preStmts = [];
            if (!this.component.isHost && findReadVarNames(updateStmts).has(COMP_VAR.name)) {
                preStmts.push(COMP_VAR.set(VIEW_VAR.prop('component')).toDeclStmt(this.compType));
            }
            updateFn = fn([
                new FnParam(CHECK_VAR.name, INFERRED_TYPE),
                new FnParam(VIEW_VAR.name, INFERRED_TYPE)
            ], [...preStmts, ...updateStmts], INFERRED_TYPE);
        }
        else {
            updateFn = NULL_EXPR;
        }
        return updateFn;
    }
    visitNgContent(ast, context) {
        // ngContentDef(ngContentIndex: number, index: number): NodeDef;
        this.nodes.push(() => ({
            sourceSpan: ast.sourceSpan,
            nodeFlags: 8 /* TypeNgContent */,
            nodeDef: importExpr(Identifiers$1.ngContentDef)
                .callFn([literal(ast.ngContentIndex), literal(ast.index)])
        }));
    }
    visitText(ast, context) {
        // Static text nodes have no check function
        const checkIndex = -1;
        this.nodes.push(() => ({
            sourceSpan: ast.sourceSpan,
            nodeFlags: 2 /* TypeText */,
            nodeDef: importExpr(Identifiers$1.textDef).callFn([
                literal(checkIndex),
                literal(ast.ngContentIndex),
                literalArr([literal(ast.value)]),
            ])
        }));
    }
    visitBoundText(ast, context) {
        const nodeIndex = this.nodes.length;
        // reserve the space in the nodeDefs array
        this.nodes.push(null);
        const astWithSource = ast.value;
        const inter = astWithSource.ast;
        const updateRendererExpressions = inter.expressions.map((expr, bindingIndex) => this._preprocessUpdateExpression({ nodeIndex, bindingIndex, sourceSpan: ast.sourceSpan, context: COMP_VAR, value: expr }));
        // Check index is the same as the node index during compilation
        // They might only differ at runtime
        const checkIndex = nodeIndex;
        this.nodes[nodeIndex] = () => ({
            sourceSpan: ast.sourceSpan,
            nodeFlags: 2 /* TypeText */,
            nodeDef: importExpr(Identifiers$1.textDef).callFn([
                literal(checkIndex),
                literal(ast.ngContentIndex),
                literalArr(inter.strings.map(s => literal(s))),
            ]),
            updateRenderer: updateRendererExpressions
        });
    }
    visitEmbeddedTemplate(ast, context) {
        const nodeIndex = this.nodes.length;
        // reserve the space in the nodeDefs array
        this.nodes.push(null);
        const { flags, queryMatchesExpr, hostEvents } = this._visitElementOrTemplate(nodeIndex, ast);
        const childVisitor = this.viewBuilderFactory(this);
        this.children.push(childVisitor);
        childVisitor.visitAll(ast.variables, ast.children);
        const childCount = this.nodes.length - nodeIndex - 1;
        // anchorDef(
        //   flags: NodeFlags, matchedQueries: [string, QueryValueType][], ngContentIndex: number,
        //   childCount: number, handleEventFn?: ElementHandleEventFn, templateFactory?:
        //   ViewDefinitionFactory): NodeDef;
        this.nodes[nodeIndex] = () => ({
            sourceSpan: ast.sourceSpan,
            nodeFlags: 1 /* TypeElement */ | flags,
            nodeDef: importExpr(Identifiers$1.anchorDef).callFn([
                literal(flags),
                queryMatchesExpr,
                literal(ast.ngContentIndex),
                literal(childCount),
                this._createElementHandleEventFn(nodeIndex, hostEvents),
                variable(childVisitor.viewName),
            ])
        });
    }
    visitElement(ast, context) {
        const nodeIndex = this.nodes.length;
        // reserve the space in the nodeDefs array so we can add children
        this.nodes.push(null);
        // Using a null element name creates an anchor.
        const elName = isNgContainer(ast.name) ? null : ast.name;
        const { flags, usedEvents, queryMatchesExpr, hostBindings: dirHostBindings, hostEvents } = this._visitElementOrTemplate(nodeIndex, ast);
        let inputDefs = [];
        let updateRendererExpressions = [];
        let outputDefs = [];
        if (elName) {
            const hostBindings = ast.inputs
                .map((inputAst) => ({
                context: COMP_VAR,
                inputAst,
                dirAst: null,
            }))
                .concat(dirHostBindings);
            if (hostBindings.length) {
                updateRendererExpressions =
                    hostBindings.map((hostBinding, bindingIndex) => this._preprocessUpdateExpression({
                        context: hostBinding.context,
                        nodeIndex,
                        bindingIndex,
                        sourceSpan: hostBinding.inputAst.sourceSpan,
                        value: hostBinding.inputAst.value
                    }));
                inputDefs = hostBindings.map(hostBinding => elementBindingDef(hostBinding.inputAst, hostBinding.dirAst));
            }
            outputDefs = usedEvents.map(([target, eventName]) => literalArr([literal(target), literal(eventName)]));
        }
        templateVisitAll(this, ast.children);
        const childCount = this.nodes.length - nodeIndex - 1;
        const compAst = ast.directives.find(dirAst => dirAst.directive.isComponent);
        let compRendererType = NULL_EXPR;
        let compView = NULL_EXPR;
        if (compAst) {
            compView = this.outputCtx.importExpr(compAst.directive.componentViewType);
            compRendererType = this.outputCtx.importExpr(compAst.directive.rendererType);
        }
        // Check index is the same as the node index during compilation
        // They might only differ at runtime
        const checkIndex = nodeIndex;
        this.nodes[nodeIndex] = () => ({
            sourceSpan: ast.sourceSpan,
            nodeFlags: 1 /* TypeElement */ | flags,
            nodeDef: importExpr(Identifiers$1.elementDef).callFn([
                literal(checkIndex),
                literal(flags),
                queryMatchesExpr,
                literal(ast.ngContentIndex),
                literal(childCount),
                literal(elName),
                elName ? fixedAttrsDef(ast) : NULL_EXPR,
                inputDefs.length ? literalArr(inputDefs) : NULL_EXPR,
                outputDefs.length ? literalArr(outputDefs) : NULL_EXPR,
                this._createElementHandleEventFn(nodeIndex, hostEvents),
                compView,
                compRendererType,
            ]),
            updateRenderer: updateRendererExpressions
        });
    }
    _visitElementOrTemplate(nodeIndex, ast) {
        let flags = 0 /* None */;
        if (ast.hasViewContainer) {
            flags |= 16777216 /* EmbeddedViews */;
        }
        const usedEvents = new Map();
        ast.outputs.forEach((event) => {
            const { name, target } = elementEventNameAndTarget(event, null);
            usedEvents.set(elementEventFullName(target, name), [target, name]);
        });
        ast.directives.forEach((dirAst) => {
            dirAst.hostEvents.forEach((event) => {
                const { name, target } = elementEventNameAndTarget(event, dirAst);
                usedEvents.set(elementEventFullName(target, name), [target, name]);
            });
        });
        const hostBindings = [];
        const hostEvents = [];
        this._visitComponentFactoryResolverProvider(ast.directives);
        ast.providers.forEach(providerAst => {
            let dirAst = undefined;
            ast.directives.forEach(localDirAst => {
                if (localDirAst.directive.type.reference === tokenReference(providerAst.token)) {
                    dirAst = localDirAst;
                }
            });
            if (dirAst) {
                const { hostBindings: dirHostBindings, hostEvents: dirHostEvents } = this._visitDirective(providerAst, dirAst, ast.references, ast.queryMatches, usedEvents);
                hostBindings.push(...dirHostBindings);
                hostEvents.push(...dirHostEvents);
            }
            else {
                this._visitProvider(providerAst, ast.queryMatches);
            }
        });
        let queryMatchExprs = [];
        ast.queryMatches.forEach((match) => {
            let valueType = undefined;
            if (tokenReference(match.value) ===
                this.reflector.resolveExternalReference(Identifiers$1.ElementRef)) {
                valueType = 0 /* ElementRef */;
            }
            else if (tokenReference(match.value) ===
                this.reflector.resolveExternalReference(Identifiers$1.ViewContainerRef)) {
                valueType = 3 /* ViewContainerRef */;
            }
            else if (tokenReference(match.value) ===
                this.reflector.resolveExternalReference(Identifiers$1.TemplateRef)) {
                valueType = 2 /* TemplateRef */;
            }
            if (valueType != null) {
                queryMatchExprs.push(literalArr([literal(match.queryId), literal(valueType)]));
            }
        });
        ast.references.forEach((ref) => {
            let valueType = undefined;
            if (!ref.value) {
                valueType = 1 /* RenderElement */;
            }
            else if (tokenReference(ref.value) ===
                this.reflector.resolveExternalReference(Identifiers$1.TemplateRef)) {
                valueType = 2 /* TemplateRef */;
            }
            if (valueType != null) {
                this.refNodeIndices[ref.name] = nodeIndex;
                queryMatchExprs.push(literalArr([literal(ref.name), literal(valueType)]));
            }
        });
        ast.outputs.forEach((outputAst) => {
            hostEvents.push({ context: COMP_VAR, eventAst: outputAst, dirAst: null });
        });
        return {
            flags,
            usedEvents: Array.from(usedEvents.values()),
            queryMatchesExpr: queryMatchExprs.length ? literalArr(queryMatchExprs) : NULL_EXPR,
            hostBindings,
            hostEvents: hostEvents
        };
    }
    _visitDirective(providerAst, dirAst, refs, queryMatches, usedEvents) {
        const nodeIndex = this.nodes.length;
        // reserve the space in the nodeDefs array so we can add children
        this.nodes.push(null);
        dirAst.directive.queries.forEach((query, queryIndex) => {
            const queryId = dirAst.contentQueryStartId + queryIndex;
            const flags = 67108864 /* TypeContentQuery */ | calcQueryFlags(query);
            const bindingType = query.first ? 0 /* First */ : 1 /* All */;
            this.nodes.push(() => ({
                sourceSpan: dirAst.sourceSpan,
                nodeFlags: flags,
                nodeDef: importExpr(Identifiers$1.queryDef).callFn([
                    literal(flags), literal(queryId),
                    new LiteralMapExpr([new LiteralMapEntry(query.propertyName, literal(bindingType), false)])
                ]),
            }));
        });
        // Note: the operation below might also create new nodeDefs,
        // but we don't want them to be a child of a directive,
        // as they might be a provider/pipe on their own.
        // I.e. we only allow queries as children of directives nodes.
        const childCount = this.nodes.length - nodeIndex - 1;
        let { flags, queryMatchExprs, providerExpr, depsExpr } = this._visitProviderOrDirective(providerAst, queryMatches);
        refs.forEach((ref) => {
            if (ref.value && tokenReference(ref.value) === tokenReference(providerAst.token)) {
                this.refNodeIndices[ref.name] = nodeIndex;
                queryMatchExprs.push(literalArr([literal(ref.name), literal(4 /* Provider */)]));
            }
        });
        if (dirAst.directive.isComponent) {
            flags |= 32768 /* Component */;
        }
        const inputDefs = dirAst.inputs.map((inputAst, inputIndex) => {
            const mapValue = literalArr([literal(inputIndex), literal(inputAst.directiveName)]);
            // Note: it's important to not quote the key so that we can capture renames by minifiers!
            return new LiteralMapEntry(inputAst.directiveName, mapValue, false);
        });
        const outputDefs = [];
        const dirMeta = dirAst.directive;
        Object.keys(dirMeta.outputs).forEach((propName) => {
            const eventName = dirMeta.outputs[propName];
            if (usedEvents.has(eventName)) {
                // Note: it's important to not quote the key so that we can capture renames by minifiers!
                outputDefs.push(new LiteralMapEntry(propName, literal(eventName), false));
            }
        });
        let updateDirectiveExpressions = [];
        if (dirAst.inputs.length || (flags & (262144 /* DoCheck */ | 65536 /* OnInit */)) > 0) {
            updateDirectiveExpressions =
                dirAst.inputs.map((input, bindingIndex) => this._preprocessUpdateExpression({
                    nodeIndex,
                    bindingIndex,
                    sourceSpan: input.sourceSpan,
                    context: COMP_VAR,
                    value: input.value
                }));
        }
        const dirContextExpr = importExpr(Identifiers$1.nodeValue).callFn([VIEW_VAR, literal(nodeIndex)]);
        const hostBindings = dirAst.hostProperties.map((inputAst) => ({
            context: dirContextExpr,
            dirAst,
            inputAst,
        }));
        const hostEvents = dirAst.hostEvents.map((hostEventAst) => ({
            context: dirContextExpr,
            eventAst: hostEventAst,
            dirAst,
        }));
        // Check index is the same as the node index during compilation
        // They might only differ at runtime
        const checkIndex = nodeIndex;
        this.nodes[nodeIndex] = () => ({
            sourceSpan: dirAst.sourceSpan,
            nodeFlags: 16384 /* TypeDirective */ | flags,
            nodeDef: importExpr(Identifiers$1.directiveDef).callFn([
                literal(checkIndex),
                literal(flags),
                queryMatchExprs.length ? literalArr(queryMatchExprs) : NULL_EXPR,
                literal(childCount),
                providerExpr,
                depsExpr,
                inputDefs.length ? new LiteralMapExpr(inputDefs) : NULL_EXPR,
                outputDefs.length ? new LiteralMapExpr(outputDefs) : NULL_EXPR,
            ]),
            updateDirectives: updateDirectiveExpressions,
            directive: dirAst.directive.type,
        });
        return { hostBindings, hostEvents };
    }
    _visitProvider(providerAst, queryMatches) {
        this._addProviderNode(this._visitProviderOrDirective(providerAst, queryMatches));
    }
    _visitComponentFactoryResolverProvider(directives) {
        const componentDirMeta = directives.find(dirAst => dirAst.directive.isComponent);
        if (componentDirMeta && componentDirMeta.directive.entryComponents.length) {
            const { providerExpr, depsExpr, flags, tokenExpr } = componentFactoryResolverProviderDef(this.reflector, this.outputCtx, 8192 /* PrivateProvider */, componentDirMeta.directive.entryComponents);
            this._addProviderNode({
                providerExpr,
                depsExpr,
                flags,
                tokenExpr,
                queryMatchExprs: [],
                sourceSpan: componentDirMeta.sourceSpan
            });
        }
    }
    _addProviderNode(data) {
        // providerDef(
        //   flags: NodeFlags, matchedQueries: [string, QueryValueType][], token:any,
        //   value: any, deps: ([DepFlags, any] | any)[]): NodeDef;
        this.nodes.push(() => ({
            sourceSpan: data.sourceSpan,
            nodeFlags: data.flags,
            nodeDef: importExpr(Identifiers$1.providerDef).callFn([
                literal(data.flags),
                data.queryMatchExprs.length ? literalArr(data.queryMatchExprs) : NULL_EXPR,
                data.tokenExpr, data.providerExpr, data.depsExpr
            ])
        }));
    }
    _visitProviderOrDirective(providerAst, queryMatches) {
        let flags = 0 /* None */;
        let queryMatchExprs = [];
        queryMatches.forEach((match) => {
            if (tokenReference(match.value) === tokenReference(providerAst.token)) {
                queryMatchExprs.push(literalArr([literal(match.queryId), literal(4 /* Provider */)]));
            }
        });
        const { providerExpr, depsExpr, flags: providerFlags, tokenExpr } = providerDef(this.outputCtx, providerAst);
        return {
            flags: flags | providerFlags,
            queryMatchExprs,
            providerExpr,
            depsExpr,
            tokenExpr,
            sourceSpan: providerAst.sourceSpan
        };
    }
    getLocal(name) {
        if (name == EventHandlerVars.event.name) {
            return EventHandlerVars.event;
        }
        let currViewExpr = VIEW_VAR;
        for (let currBuilder = this; currBuilder; currBuilder = currBuilder.parent,
            currViewExpr = currViewExpr.prop('parent').cast(DYNAMIC_TYPE)) {
            // check references
            const refNodeIndex = currBuilder.refNodeIndices[name];
            if (refNodeIndex != null) {
                return importExpr(Identifiers$1.nodeValue).callFn([currViewExpr, literal(refNodeIndex)]);
            }
            // check variables
            const varAst = currBuilder.variables.find((varAst) => varAst.name === name);
            if (varAst) {
                const varValue = varAst.value || IMPLICIT_TEMPLATE_VAR;
                return currViewExpr.prop('context').prop(varValue);
            }
        }
        return null;
    }
    notifyImplicitReceiverUse() {
        // Not needed in ViewEngine as ViewEngine walks through the generated
        // expressions to figure out if the implicit receiver is used and needs
        // to be generated as part of the pre-update statements.
    }
    maybeRestoreView() {
        // Not necessary in ViewEngine, because view restoration is an Ivy concept.
    }
    _createLiteralArrayConverter(sourceSpan, argCount) {
        if (argCount === 0) {
            const valueExpr = importExpr(Identifiers$1.EMPTY_ARRAY);
            return () => valueExpr;
        }
        const checkIndex = this.nodes.length;
        this.nodes.push(() => ({
            sourceSpan,
            nodeFlags: 32 /* TypePureArray */,
            nodeDef: importExpr(Identifiers$1.pureArrayDef).callFn([
                literal(checkIndex),
                literal(argCount),
            ])
        }));
        return (args) => callCheckStmt(checkIndex, args);
    }
    _createLiteralMapConverter(sourceSpan, keys) {
        if (keys.length === 0) {
            const valueExpr = importExpr(Identifiers$1.EMPTY_MAP);
            return () => valueExpr;
        }
        const map = literalMap(keys.map((e, i) => (Object.assign(Object.assign({}, e), { value: literal(i) }))));
        const checkIndex = this.nodes.length;
        this.nodes.push(() => ({
            sourceSpan,
            nodeFlags: 64 /* TypePureObject */,
            nodeDef: importExpr(Identifiers$1.pureObjectDef).callFn([
                literal(checkIndex),
                map,
            ])
        }));
        return (args) => callCheckStmt(checkIndex, args);
    }
    _createPipeConverter(expression, name, argCount) {
        const pipe = this.usedPipes.find((pipeSummary) => pipeSummary.name === name);
        if (pipe.pure) {
            const checkIndex = this.nodes.length;
            this.nodes.push(() => ({
                sourceSpan: expression.sourceSpan,
                nodeFlags: 128 /* TypePurePipe */,
                nodeDef: importExpr(Identifiers$1.purePipeDef).callFn([
                    literal(checkIndex),
                    literal(argCount),
                ])
            }));
            // find underlying pipe in the component view
            let compViewExpr = VIEW_VAR;
            let compBuilder = this;
            while (compBuilder.parent) {
                compBuilder = compBuilder.parent;
                compViewExpr = compViewExpr.prop('parent').cast(DYNAMIC_TYPE);
            }
            const pipeNodeIndex = compBuilder.purePipeNodeIndices[name];
            const pipeValueExpr = importExpr(Identifiers$1.nodeValue).callFn([compViewExpr, literal(pipeNodeIndex)]);
            return (args) => callUnwrapValue(expression.nodeIndex, expression.bindingIndex, callCheckStmt(checkIndex, [pipeValueExpr].concat(args)));
        }
        else {
            const nodeIndex = this._createPipe(expression.sourceSpan, pipe);
            const nodeValueExpr = importExpr(Identifiers$1.nodeValue).callFn([VIEW_VAR, literal(nodeIndex)]);
            return (args) => callUnwrapValue(expression.nodeIndex, expression.bindingIndex, nodeValueExpr.callMethod('transform', args));
        }
    }
    _createPipe(sourceSpan, pipe) {
        const nodeIndex = this.nodes.length;
        let flags = 0 /* None */;
        pipe.type.lifecycleHooks.forEach((lifecycleHook) => {
            // for pipes, we only support ngOnDestroy
            if (lifecycleHook === LifecycleHooks.OnDestroy) {
                flags |= lifecycleHookToNodeFlag(lifecycleHook);
            }
        });
        const depExprs = pipe.type.diDeps.map((diDep) => depDef(this.outputCtx, diDep));
        // function pipeDef(
        //   flags: NodeFlags, ctor: any, deps: ([DepFlags, any] | any)[]): NodeDef
        this.nodes.push(() => ({
            sourceSpan,
            nodeFlags: 16 /* TypePipe */,
            nodeDef: importExpr(Identifiers$1.pipeDef).callFn([
                literal(flags), this.outputCtx.importExpr(pipe.type.reference), literalArr(depExprs)
            ])
        }));
        return nodeIndex;
    }
    /**
     * For the AST in `UpdateExpression.value`:
     * - create nodes for pipes, literal arrays and, literal maps,
     * - update the AST to replace pipes, literal arrays and, literal maps with calls to check fn.
     *
     * WARNING: This might create new nodeDefs (for pipes and literal arrays and literal maps)!
     */
    _preprocessUpdateExpression(expression) {
        return {
            nodeIndex: expression.nodeIndex,
            bindingIndex: expression.bindingIndex,
            sourceSpan: expression.sourceSpan,
            context: expression.context,
            value: convertPropertyBindingBuiltins({
                createLiteralArrayConverter: (argCount) => this._createLiteralArrayConverter(expression.sourceSpan, argCount),
                createLiteralMapConverter: (keys) => this._createLiteralMapConverter(expression.sourceSpan, keys),
                createPipeConverter: (name, argCount) => this._createPipeConverter(expression, name, argCount)
            }, expression.value)
        };
    }
    _createNodeExpressions() {
        const self = this;
        let updateBindingCount = 0;
        const updateRendererStmts = [];
        const updateDirectivesStmts = [];
        const nodeDefExprs = this.nodes.map((factory, nodeIndex) => {
            const { nodeDef, nodeFlags, updateDirectives, updateRenderer, sourceSpan } = factory();
            if (updateRenderer) {
                updateRendererStmts.push(...createUpdateStatements(nodeIndex, sourceSpan, updateRenderer, false));
            }
            if (updateDirectives) {
                updateDirectivesStmts.push(...createUpdateStatements(nodeIndex, sourceSpan, updateDirectives, (nodeFlags & (262144 /* DoCheck */ | 65536 /* OnInit */)) > 0));
            }
            // We use a comma expression to call the log function before
            // the nodeDef function, but still use the result of the nodeDef function
            // as the value.
            // Note: We only add the logger to elements / text nodes,
            // so we don't generate too much code.
            const logWithNodeDef = nodeFlags & 3 /* CatRenderNode */ ?
                new CommaExpr([LOG_VAR$1.callFn([]).callFn([]), nodeDef]) :
                nodeDef;
            return applySourceSpanToExpressionIfNeeded(logWithNodeDef, sourceSpan);
        });
        return { updateRendererStmts, updateDirectivesStmts, nodeDefExprs };
        function createUpdateStatements(nodeIndex, sourceSpan, expressions, allowEmptyExprs) {
            const updateStmts = [];
            const exprs = expressions.map(({ sourceSpan, context, value }) => {
                const bindingId = `${updateBindingCount++}`;
                const nameResolver = context === COMP_VAR ? self : null;
                const { stmts, currValExpr } = convertPropertyBinding(nameResolver, context, value, bindingId, BindingForm.General);
                updateStmts.push(...stmts.map((stmt) => applySourceSpanToStatementIfNeeded(stmt, sourceSpan)));
                return applySourceSpanToExpressionIfNeeded(currValExpr, sourceSpan);
            });
            if (expressions.length || allowEmptyExprs) {
                updateStmts.push(applySourceSpanToStatementIfNeeded(callCheckStmt(nodeIndex, exprs).toStmt(), sourceSpan));
            }
            return updateStmts;
        }
    }
    _createElementHandleEventFn(nodeIndex, handlers) {
        const handleEventStmts = [];
        let handleEventBindingCount = 0;
        handlers.forEach(({ context, eventAst, dirAst }) => {
            const bindingId = `${handleEventBindingCount++}`;
            const nameResolver = context === COMP_VAR ? this : null;
            const { stmts, allowDefault } = convertActionBinding(nameResolver, context, eventAst.handler, bindingId);
            const trueStmts = stmts;
            if (allowDefault) {
                trueStmts.push(ALLOW_DEFAULT_VAR.set(allowDefault.and(ALLOW_DEFAULT_VAR)).toStmt());
            }
            const { target: eventTarget, name: eventName } = elementEventNameAndTarget(eventAst, dirAst);
            const fullEventName = elementEventFullName(eventTarget, eventName);
            handleEventStmts.push(applySourceSpanToStatementIfNeeded(new IfStmt(literal(fullEventName).identical(EVENT_NAME_VAR), trueStmts), eventAst.sourceSpan));
        });
        let handleEventFn;
        if (handleEventStmts.length > 0) {
            const preStmts = [ALLOW_DEFAULT_VAR.set(literal(true)).toDeclStmt(BOOL_TYPE)];
            if (!this.component.isHost && findReadVarNames(handleEventStmts).has(COMP_VAR.name)) {
                preStmts.push(COMP_VAR.set(VIEW_VAR.prop('component')).toDeclStmt(this.compType));
            }
            handleEventFn = fn([
                new FnParam(VIEW_VAR.name, INFERRED_TYPE),
                new FnParam(EVENT_NAME_VAR.name, INFERRED_TYPE),
                new FnParam(EventHandlerVars.event.name, INFERRED_TYPE)
            ], [...preStmts, ...handleEventStmts, new ReturnStatement(ALLOW_DEFAULT_VAR)], INFERRED_TYPE);
        }
        else {
            handleEventFn = NULL_EXPR;
        }
        return handleEventFn;
    }
    visitDirective(ast, context) { }
    visitDirectiveProperty(ast, context) { }
    visitReference(ast, context) { }
    visitVariable(ast, context) { }
    visitEvent(ast, context) { }
    visitElementProperty(ast, context) { }
    visitAttr(ast, context) { }
}
function needsAdditionalRootNode(astNodes) {
    const lastAstNode = astNodes[astNodes.length - 1];
    if (lastAstNode instanceof EmbeddedTemplateAst) {
        return lastAstNode.hasViewContainer;
    }
    if (lastAstNode instanceof ElementAst) {
        if (isNgContainer(lastAstNode.name) && lastAstNode.children.length) {
            return needsAdditionalRootNode(lastAstNode.children);
        }
        return lastAstNode.hasViewContainer;
    }
    return lastAstNode instanceof NgContentAst;
}
function elementBindingDef(inputAst, dirAst) {
    const inputType = inputAst.type;
    switch (inputType) {
        case 1 /* Attribute */:
            return literalArr([
                literal(1 /* TypeElementAttribute */), literal(inputAst.name),
                literal(inputAst.securityContext)
            ]);
        case 0 /* Property */:
            return literalArr([
                literal(8 /* TypeProperty */), literal(inputAst.name),
                literal(inputAst.securityContext)
            ]);
        case 4 /* Animation */:
            const bindingType = 8 /* TypeProperty */ |
                (dirAst && dirAst.directive.isComponent ? 32 /* SyntheticHostProperty */ :
                    16 /* SyntheticProperty */);
            return literalArr([
                literal(bindingType), literal('@' + inputAst.name), literal(inputAst.securityContext)
            ]);
        case 2 /* Class */:
            return literalArr([literal(2 /* TypeElementClass */), literal(inputAst.name), NULL_EXPR]);
        case 3 /* Style */:
            return literalArr([
                literal(4 /* TypeElementStyle */), literal(inputAst.name), literal(inputAst.unit)
            ]);
        default:
            // This default case is not needed by TypeScript compiler, as the switch is exhaustive.
            // However Closure Compiler does not understand that and reports an error in typed mode.
            // The `throw new Error` below works around the problem, and the unexpected: never variable
            // makes sure tsc still checks this code is unreachable.
            const unexpected = inputType;
            throw new Error(`unexpected ${unexpected}`);
    }
}
function fixedAttrsDef(elementAst) {
    const mapResult = Object.create(null);
    elementAst.attrs.forEach(attrAst => {
        mapResult[attrAst.name] = attrAst.value;
    });
    elementAst.directives.forEach(dirAst => {
        Object.keys(dirAst.directive.hostAttributes).forEach(name => {
            const value = dirAst.directive.hostAttributes[name];
            const prevValue = mapResult[name];
            mapResult[name] = prevValue != null ? mergeAttributeValue(name, prevValue, value) : value;
        });
    });
    // Note: We need to sort to get a defined output order
    // for tests and for caching generated artifacts...
    return literalArr(Object.keys(mapResult).sort().map((attrName) => literalArr([literal(attrName), literal(mapResult[attrName])])));
}
function mergeAttributeValue(attrName, attrValue1, attrValue2) {
    if (attrName == CLASS_ATTR$1 || attrName == STYLE_ATTR) {
        return `${attrValue1} ${attrValue2}`;
    }
    else {
        return attrValue2;
    }
}
function callCheckStmt(nodeIndex, exprs) {
    if (exprs.length > 10) {
        return CHECK_VAR.callFn([VIEW_VAR, literal(nodeIndex), literal(1 /* Dynamic */), literalArr(exprs)]);
    }
    else {
        return CHECK_VAR.callFn([VIEW_VAR, literal(nodeIndex), literal(0 /* Inline */), ...exprs]);
    }
}
function callUnwrapValue(nodeIndex, bindingIdx, expr) {
    return importExpr(Identifiers$1.unwrapValue).callFn([
        VIEW_VAR, literal(nodeIndex), literal(bindingIdx), expr
    ]);
}
function elementEventNameAndTarget(eventAst, dirAst) {
    if (eventAst.isAnimation) {
        return {
            name: `@${eventAst.name}.${eventAst.phase}`,
            target: dirAst && dirAst.directive.isComponent ? 'component' : null
        };
    }
    else {
        return eventAst;
    }
}
function calcQueryFlags(query) {
    let flags = 0 /* None */;
    // Note: We only make queries static that query for a single item and the user specifically
    // set the to be static. This is because of backwards compatibility with the old view compiler...
    if (query.first && query.static) {
        flags |= 268435456 /* StaticQuery */;
    }
    else {
        flags |= 536870912 /* DynamicQuery */;
    }
    if (query.emitDistinctChangesOnly) {
        flags |= -2147483648 /* EmitDistinctChangesOnly */;
    }
    return flags;
}
function elementEventFullName(target, name) {
    return target ? `${target}:${name}` : name;
}

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
/**
 * A container for message extracted from the templates.
 */
class MessageBundle {
    constructor(_htmlParser, _implicitTags, _implicitAttrs, _locale = null) {
        this._htmlParser = _htmlParser;
        this._implicitTags = _implicitTags;
        this._implicitAttrs = _implicitAttrs;
        this._locale = _locale;
        this._messages = [];
    }
    updateFromTemplate(html, url, interpolationConfig) {
        const htmlParserResult = this._htmlParser.parse(html, url, { tokenizeExpansionForms: true, interpolationConfig });
        if (htmlParserResult.errors.length) {
            return htmlParserResult.errors;
        }
        const i18nParserResult = extractMessages(htmlParserResult.rootNodes, interpolationConfig, this._implicitTags, this._implicitAttrs);
        if (i18nParserResult.errors.length) {
            return i18nParserResult.errors;
        }
        this._messages.push(...i18nParserResult.messages);
        return [];
    }
    // Return the message in the internal format
    // The public (serialized) format might be different, see the `write` method.
    getMessages() {
        return this._messages;
    }
    write(serializer, filterSources) {
        const messages = {};
        const mapperVisitor = new MapPlaceholderNames();
        // Deduplicate messages based on their ID
        this._messages.forEach(message => {
            const id = serializer.digest(message);
            if (!messages.hasOwnProperty(id)) {
                messages[id] = message;
            }
            else {
                messages[id].sources.push(...message.sources);
            }
        });
        // Transform placeholder names using the serializer mapping
        const msgList = Object.keys(messages).map(id => {
            const mapper = serializer.createNameMapper(messages[id]);
            const src = messages[id];
            const nodes = mapper ? mapperVisitor.convert(src.nodes, mapper) : src.nodes;
            let transformedMessage = new Message(nodes, {}, {}, src.meaning, src.description, id);
            transformedMessage.sources = src.sources;
            if (filterSources) {
                transformedMessage.sources.forEach((source) => source.filePath = filterSources(source.filePath));
            }
            return transformedMessage;
        });
        return serializer.write(msgList, this._locale);
    }
}
// Transform an i18n AST by renaming the placeholder nodes with the given mapper
class MapPlaceholderNames extends CloneVisitor {
    convert(nodes, mapper) {
        return mapper ? nodes.map(n => n.visit(this, mapper)) : nodes;
    }
    visitTagPlaceholder(ph, mapper) {
        const startName = mapper.toPublicName(ph.startName);
        const closeName = ph.closeName ? mapper.toPublicName(ph.closeName) : ph.closeName;
        const children = ph.children.map(n => n.visit(this, mapper));
        return new TagPlaceholder(ph.tag, ph.attrs, startName, closeName, children, ph.isVoid, ph.sourceSpan, ph.startSourceSpan, ph.endSourceSpan);
    }
    visitPlaceholder(ph, mapper) {
        return new Placeholder(ph.value, mapper.toPublicName(ph.name), ph.sourceSpan);
    }
    visitIcuPlaceholder(ph, mapper) {
        return new IcuPlaceholder(ph.value, mapper.toPublicName(ph.name), ph.sourceSpan);
    }
}

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
class GeneratedFile {
    constructor(srcFileUrl, genFileUrl, sourceOrStmts) {
        this.srcFileUrl = srcFileUrl;
        this.genFileUrl = genFileUrl;
        if (typeof sourceOrStmts === 'string') {
            this.source = sourceOrStmts;
            this.stmts = null;
        }
        else {
            this.source = null;
            this.stmts = sourceOrStmts;
        }
    }
    isEquivalent(other) {
        if (this.genFileUrl !== other.genFileUrl) {
            return false;
        }
        if (this.source) {
            return this.source === other.source;
        }
        if (other.stmts == null) {
            return false;
        }
        // Note: the constructor guarantees that if this.source is not filled,
        // then this.stmts is.
        return areAllEquivalent(this.stmts, other.stmts);
    }
}
function toTypeScript(file, preamble = '') {
    if (!file.stmts) {
        throw new Error(`Illegal state: No stmts present on GeneratedFile ${file.genFileUrl}`);
    }
    return new TypeScriptEmitter().emitStatements(file.genFileUrl, file.stmts, preamble);
}

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
function listLazyRoutes(moduleMeta, reflector) {
    const allLazyRoutes = [];
    for (const { provider, module } of moduleMeta.transitiveModule.providers) {
        if (tokenReference(provider.token) === reflector.ROUTES) {
            const loadChildren = _collectLoadChildren(provider.useValue);
            for (const route of loadChildren) {
                allLazyRoutes.push(parseLazyRoute(route, reflector, module.reference));
            }
        }
    }
    return allLazyRoutes;
}
function _collectLoadChildren(routes, target = []) {
    if (typeof routes === 'string') {
        target.push(routes);
    }
    else if (Array.isArray(routes)) {
        for (const route of routes) {
            _collectLoadChildren(route, target);
        }
    }
    else if (routes.loadChildren) {
        _collectLoadChildren(routes.loadChildren, target);
    }
    else if (routes.children) {
        _collectLoadChildren(routes.children, target);
    }
    return target;
}
function parseLazyRoute(route, reflector, module) {
    const [routePath, routeName] = route.split('#');
    const referencedModule = reflector.resolveExternalReference({
        moduleName: routePath,
        name: routeName,
    }, module ? module.filePath : undefined);
    return { route: route, module: module || referencedModule, referencedModule };
}

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
const TS = /^(?!.*\.d\.ts$).*\.ts$/;
class ResolvedStaticSymbol {
    constructor(symbol, metadata) {
        this.symbol = symbol;
        this.metadata = metadata;
    }
}
const SUPPORTED_SCHEMA_VERSION = 4;
/**
 * This class is responsible for loading metadata per symbol,
 * and normalizing references between symbols.
 *
 * Internally, it only uses symbols without members,
 * and deduces the values for symbols with members based
 * on these symbols.
 */
class StaticSymbolResolver {
    constructor(host, staticSymbolCache, summaryResolver, errorRecorder) {
        this.host = host;
        this.staticSymbolCache = staticSymbolCache;
        this.summaryResolver = summaryResolver;
        this.errorRecorder = errorRecorder;
        this.metadataCache = new Map();
        // Note: this will only contain StaticSymbols without members!
        this.resolvedSymbols = new Map();
        // Note: this will only contain StaticSymbols without members!
        this.importAs = new Map();
        this.symbolResourcePaths = new Map();
        this.symbolFromFile = new Map();
        this.knownFileNameToModuleNames = new Map();
    }
    resolveSymbol(staticSymbol) {
        if (staticSymbol.members.length > 0) {
            return this._resolveSymbolMembers(staticSymbol);
        }
        // Note: always ask for a summary first,
        // as we might have read shallow metadata via a .d.ts file
        // for the symbol.
        const resultFromSummary = this._resolveSymbolFromSummary(staticSymbol);
        if (resultFromSummary) {
            return resultFromSummary;
        }
        const resultFromCache = this.resolvedSymbols.get(staticSymbol);
        if (resultFromCache) {
            return resultFromCache;
        }
        // Note: Some users use libraries that were not compiled with ngc, i.e. they don't
        // have summaries, only .d.ts files. So we always need to check both, the summary
        // and metadata.
        this._createSymbolsOf(staticSymbol.filePath);
        return this.resolvedSymbols.get(staticSymbol);
    }
    /**
     * getImportAs produces a symbol that can be used to import the given symbol.
     * The import might be different than the symbol if the symbol is exported from
     * a library with a summary; in which case we want to import the symbol from the
     * ngfactory re-export instead of directly to avoid introducing a direct dependency
     * on an otherwise indirect dependency.
     *
     * @param staticSymbol the symbol for which to generate a import symbol
     */
    getImportAs(staticSymbol, useSummaries = true) {
        if (staticSymbol.members.length) {
            const baseSymbol = this.getStaticSymbol(staticSymbol.filePath, staticSymbol.name);
            const baseImportAs = this.getImportAs(baseSymbol, useSummaries);
            return baseImportAs ?
                this.getStaticSymbol(baseImportAs.filePath, baseImportAs.name, staticSymbol.members) :
                null;
        }
        const summarizedFileName = stripSummaryForJitFileSuffix(staticSymbol.filePath);
        if (summarizedFileName !== staticSymbol.filePath) {
            const summarizedName = stripSummaryForJitNameSuffix(staticSymbol.name);
            const baseSymbol = this.getStaticSymbol(summarizedFileName, summarizedName, staticSymbol.members);
            const baseImportAs = this.getImportAs(baseSymbol, useSummaries);
            return baseImportAs ? this.getStaticSymbol(summaryForJitFileName(baseImportAs.filePath), summaryForJitName(baseImportAs.name), baseSymbol.members) :
                null;
        }
        let result = (useSummaries && this.summaryResolver.getImportAs(staticSymbol)) || null;
        if (!result) {
            result = this.importAs.get(staticSymbol);
        }
        return result;
    }
    /**
     * getResourcePath produces the path to the original location of the symbol and should
     * be used to determine the relative location of resource references recorded in
     * symbol metadata.
     */
    getResourcePath(staticSymbol) {
        return this.symbolResourcePaths.get(staticSymbol) || staticSymbol.filePath;
    }
    /**
     * getTypeArity returns the number of generic type parameters the given symbol
     * has. If the symbol is not a type the result is null.
     */
    getTypeArity(staticSymbol) {
        // If the file is a factory/ngsummary file, don't resolve the symbol as doing so would
        // cause the metadata for an factory/ngsummary file to be loaded which doesn't exist.
        // All references to generated classes must include the correct arity whenever
        // generating code.
        if (isGeneratedFile(staticSymbol.filePath)) {
            return null;
        }
        let resolvedSymbol = unwrapResolvedMetadata(this.resolveSymbol(staticSymbol));
        while (resolvedSymbol && resolvedSymbol.metadata instanceof StaticSymbol) {
            resolvedSymbol = unwrapResolvedMetadata(this.resolveSymbol(resolvedSymbol.metadata));
        }
        return (resolvedSymbol && resolvedSymbol.metadata && resolvedSymbol.metadata.arity) || null;
    }
    getKnownModuleName(filePath) {
        return this.knownFileNameToModuleNames.get(filePath) || null;
    }
    recordImportAs(sourceSymbol, targetSymbol) {
        sourceSymbol.assertNoMembers();
        targetSymbol.assertNoMembers();
        this.importAs.set(sourceSymbol, targetSymbol);
    }
    recordModuleNameForFileName(fileName, moduleName) {
        this.knownFileNameToModuleNames.set(fileName, moduleName);
    }
    /**
     * Invalidate all information derived from the given file and return the
     * static symbols contained in the file.
     *
     * @param fileName the file to invalidate
     */
    invalidateFile(fileName) {
        this.metadataCache.delete(fileName);
        const symbols = this.symbolFromFile.get(fileName);
        if (!symbols) {
            return [];
        }
        this.symbolFromFile.delete(fileName);
        for (const symbol of symbols) {
            this.resolvedSymbols.delete(symbol);
            this.importAs.delete(symbol);
            this.symbolResourcePaths.delete(symbol);
        }
        return symbols;
    }
    /** @internal */
    ignoreErrorsFor(cb) {
        const recorder = this.errorRecorder;
        this.errorRecorder = () => { };
        try {
            return cb();
        }
        finally {
            this.errorRecorder = recorder;
        }
    }
    _resolveSymbolMembers(staticSymbol) {
        const members = staticSymbol.members;
        const baseResolvedSymbol = this.resolveSymbol(this.getStaticSymbol(staticSymbol.filePath, staticSymbol.name));
        if (!baseResolvedSymbol) {
            return null;
        }
        let baseMetadata = unwrapResolvedMetadata(baseResolvedSymbol.metadata);
        if (baseMetadata instanceof StaticSymbol) {
            return new ResolvedStaticSymbol(staticSymbol, this.getStaticSymbol(baseMetadata.filePath, baseMetadata.name, members));
        }
        else if (baseMetadata && baseMetadata.__symbolic === 'class') {
            if (baseMetadata.statics && members.length === 1) {
                return new ResolvedStaticSymbol(staticSymbol, baseMetadata.statics[members[0]]);
            }
        }
        else {
            let value = baseMetadata;
            for (let i = 0; i < members.length && value; i++) {
                value = value[members[i]];
            }
            return new ResolvedStaticSymbol(staticSymbol, value);
        }
        return null;
    }
    _resolveSymbolFromSummary(staticSymbol) {
        const summary = this.summaryResolver.resolveSummary(staticSymbol);
        return summary ? new ResolvedStaticSymbol(staticSymbol, summary.metadata) : null;
    }
    /**
     * getStaticSymbol produces a Type whose metadata is known but whose implementation is not loaded.
     * All types passed to the StaticResolver should be pseudo-types returned by this method.
     *
     * @param declarationFile the absolute path of the file where the symbol is declared
     * @param name the name of the type.
     * @param members a symbol for a static member of the named type
     */
    getStaticSymbol(declarationFile, name, members) {
        return this.staticSymbolCache.get(declarationFile, name, members);
    }
    /**
     * hasDecorators checks a file's metadata for the presence of decorators without evaluating the
     * metadata.
     *
     * @param filePath the absolute path to examine for decorators.
     * @returns true if any class in the file has a decorator.
     */
    hasDecorators(filePath) {
        const metadata = this.getModuleMetadata(filePath);
        if (metadata['metadata']) {
            return Object.keys(metadata['metadata']).some((metadataKey) => {
                const entry = metadata['metadata'][metadataKey];
                return entry && entry.__symbolic === 'class' && entry.decorators;
            });
        }
        return false;
    }
    getSymbolsOf(filePath) {
        const summarySymbols = this.summaryResolver.getSymbolsOf(filePath);
        if (summarySymbols) {
            return summarySymbols;
        }
        // Note: Some users use libraries that were not compiled with ngc, i.e. they don't
        // have summaries, only .d.ts files, but `summaryResolver.isLibraryFile` returns true.
        this._createSymbolsOf(filePath);
        return this.symbolFromFile.get(filePath) || [];
    }
    _createSymbolsOf(filePath) {
        if (this.symbolFromFile.has(filePath)) {
            return;
        }
        const resolvedSymbols = [];
        const metadata = this.getModuleMetadata(filePath);
        if (metadata['importAs']) {
            // Index bundle indices should use the importAs module name defined
            // in the bundle.
            this.knownFileNameToModuleNames.set(filePath, metadata['importAs']);
        }
        // handle the symbols in one of the re-export location
        if (metadata['exports']) {
            for (const moduleExport of metadata['exports']) {
                // handle the symbols in the list of explicitly re-exported symbols.
                if (moduleExport.export) {
                    moduleExport.export.forEach((exportSymbol) => {
                        let symbolName;
                        if (typeof exportSymbol === 'string') {
                            symbolName = exportSymbol;
                        }
                        else {
                            symbolName = exportSymbol.as;
                        }
                        symbolName = unescapeIdentifier(symbolName);
                        let symName = symbolName;
                        if (typeof exportSymbol !== 'string') {
                            symName = unescapeIdentifier(exportSymbol.name);
                        }
                        const resolvedModule = this.resolveModule(moduleExport.from, filePath);
                        if (resolvedModule) {
                            const targetSymbol = this.getStaticSymbol(resolvedModule, symName);
                            const sourceSymbol = this.getStaticSymbol(filePath, symbolName);
                            resolvedSymbols.push(this.createExport(sourceSymbol, targetSymbol));
                        }
                    });
                }
                else {
                    // Handle the symbols loaded by 'export *' directives.
                    const resolvedModule = this.resolveModule(moduleExport.from, filePath);
                    if (resolvedModule && resolvedModule !== filePath) {
                        const nestedExports = this.getSymbolsOf(resolvedModule);
                        nestedExports.forEach((targetSymbol) => {
                            const sourceSymbol = this.getStaticSymbol(filePath, targetSymbol.name);
                            resolvedSymbols.push(this.createExport(sourceSymbol, targetSymbol));
                        });
                    }
                }
            }
        }
        // handle the actual metadata. Has to be after the exports
        // as there might be collisions in the names, and we want the symbols
        // of the current module to win ofter reexports.
        if (metadata['metadata']) {
            // handle direct declarations of the symbol
            const topLevelSymbolNames = new Set(Object.keys(metadata['metadata']).map(unescapeIdentifier));
            const origins = metadata['origins'] || {};
            Object.keys(metadata['metadata']).forEach((metadataKey) => {
                const symbolMeta = metadata['metadata'][metadataKey];
                const name = unescapeIdentifier(metadataKey);
                const symbol = this.getStaticSymbol(filePath, name);
                const origin = origins.hasOwnProperty(metadataKey) && origins[metadataKey];
                if (origin) {
                    // If the symbol is from a bundled index, use the declaration location of the
                    // symbol so relative references (such as './my.html') will be calculated
                    // correctly.
                    const originFilePath = this.resolveModule(origin, filePath);
                    if (!originFilePath) {
                        this.reportError(new Error(`Couldn't resolve original symbol for ${origin} from ${this.host.getOutputName(filePath)}`));
                    }
                    else {
                        this.symbolResourcePaths.set(symbol, originFilePath);
                    }
                }
                resolvedSymbols.push(this.createResolvedSymbol(symbol, filePath, topLevelSymbolNames, symbolMeta));
            });
        }
        const uniqueSymbols = new Set();
        for (const resolvedSymbol of resolvedSymbols) {
            this.resolvedSymbols.set(resolvedSymbol.symbol, resolvedSymbol);
            uniqueSymbols.add(resolvedSymbol.symbol);
        }
        this.symbolFromFile.set(filePath, Array.from(uniqueSymbols));
    }
    createResolvedSymbol(sourceSymbol, topLevelPath, topLevelSymbolNames, metadata) {
        // For classes that don't have Angular summaries / metadata,
        // we only keep their arity, but nothing else
        // (e.g. their constructor parameters).
        // We do this to prevent introducing deep imports
        // as we didn't generate .ngfactory.ts files with proper reexports.
        const isTsFile = TS.test(sourceSymbol.filePath);
        if (this.summaryResolver.isLibraryFile(sourceSymbol.filePath) && !isTsFile && metadata &&
            metadata['__symbolic'] === 'class') {
            const transformedMeta = { __symbolic: 'class', arity: metadata.arity };
            return new ResolvedStaticSymbol(sourceSymbol, transformedMeta);
        }
        let _originalFileMemo;
        const getOriginalName = () => {
            if (!_originalFileMemo) {
                // Guess what the original file name is from the reference. If it has a `.d.ts` extension
                // replace it with `.ts`. If it already has `.ts` just leave it in place. If it doesn't have
                // .ts or .d.ts, append `.ts'. Also, if it is in `node_modules`, trim the `node_module`
                // location as it is not important to finding the file.
                _originalFileMemo =
                    this.host.getOutputName(topLevelPath.replace(/((\.ts)|(\.d\.ts)|)$/, '.ts')
                        .replace(/^.*node_modules[/\\]/, ''));
            }
            return _originalFileMemo;
        };
        const self = this;
        class ReferenceTransformer extends ValueTransformer {
            visitStringMap(map, functionParams) {
                const symbolic = map['__symbolic'];
                if (symbolic === 'function') {
                    const oldLen = functionParams.length;
                    functionParams.push(...(map['parameters'] || []));
                    const result = super.visitStringMap(map, functionParams);
                    functionParams.length = oldLen;
                    return result;
                }
                else if (symbolic === 'reference') {
                    const module = map['module'];
                    const name = map['name'] ? unescapeIdentifier(map['name']) : map['name'];
                    if (!name) {
                        return null;
                    }
                    let filePath;
                    if (module) {
                        filePath = self.resolveModule(module, sourceSymbol.filePath);
                        if (!filePath) {
                            return {
                                __symbolic: 'error',
                                message: `Could not resolve ${module} relative to ${self.host.getMetadataFor(sourceSymbol.filePath)}.`,
                                line: map['line'],
                                character: map['character'],
                                fileName: getOriginalName()
                            };
                        }
                        return {
                            __symbolic: 'resolved',
                            symbol: self.getStaticSymbol(filePath, name),
                            line: map['line'],
                            character: map['character'],
                            fileName: getOriginalName()
                        };
                    }
                    else if (functionParams.indexOf(name) >= 0) {
                        // reference to a function parameter
                        return { __symbolic: 'reference', name: name };
                    }
                    else {
                        if (topLevelSymbolNames.has(name)) {
                            return self.getStaticSymbol(topLevelPath, name);
                        }
                        // ambient value
                        null;
                    }
                }
                else if (symbolic === 'error') {
                    return Object.assign(Object.assign({}, map), { fileName: getOriginalName() });
                }
                else {
                    return super.visitStringMap(map, functionParams);
                }
            }
        }
        const transformedMeta = visitValue(metadata, new ReferenceTransformer(), []);
        let unwrappedTransformedMeta = unwrapResolvedMetadata(transformedMeta);
        if (unwrappedTransformedMeta instanceof StaticSymbol) {
            return this.createExport(sourceSymbol, unwrappedTransformedMeta);
        }
        return new ResolvedStaticSymbol(sourceSymbol, transformedMeta);
    }
    createExport(sourceSymbol, targetSymbol) {
        sourceSymbol.assertNoMembers();
        targetSymbol.assertNoMembers();
        if (this.summaryResolver.isLibraryFile(sourceSymbol.filePath) &&
            this.summaryResolver.isLibraryFile(targetSymbol.filePath)) {
            // This case is for an ng library importing symbols from a plain ts library
            // transitively.
            // Note: We rely on the fact that we discover symbols in the direction
            // from source files to library files
            this.importAs.set(targetSymbol, this.getImportAs(sourceSymbol) || sourceSymbol);
        }
        return new ResolvedStaticSymbol(sourceSymbol, targetSymbol);
    }
    reportError(error, context, path) {
        if (this.errorRecorder) {
            this.errorRecorder(error, (context && context.filePath) || path);
        }
        else {
            throw error;
        }
    }
    /**
     * @param module an absolute path to a module file.
     */
    getModuleMetadata(module) {
        let moduleMetadata = this.metadataCache.get(module);
        if (!moduleMetadata) {
            const moduleMetadatas = this.host.getMetadataFor(module);
            if (moduleMetadatas) {
                let maxVersion = -1;
                moduleMetadatas.forEach((md) => {
                    if (md && md['version'] > maxVersion) {
                        maxVersion = md['version'];
                        moduleMetadata = md;
                    }
                });
            }
            if (!moduleMetadata) {
                moduleMetadata =
                    { __symbolic: 'module', version: SUPPORTED_SCHEMA_VERSION, module: module, metadata: {} };
            }
            if (moduleMetadata['version'] != SUPPORTED_SCHEMA_VERSION) {
                const errorMessage = moduleMetadata['version'] == 2 ?
                    `Unsupported metadata version ${moduleMetadata['version']} for module ${module}. This module should be compiled with a newer version of ngc` :
                    `Metadata version mismatch for module ${this.host.getOutputName(module)}, found version ${moduleMetadata['version']}, expected ${SUPPORTED_SCHEMA_VERSION}`;
                this.reportError(new Error(errorMessage));
            }
            this.metadataCache.set(module, moduleMetadata);
        }
        return moduleMetadata;
    }
    getSymbolByModule(module, symbolName, containingFile) {
        const filePath = this.resolveModule(module, containingFile);
        if (!filePath) {
            this.reportError(new Error(`Could not resolve module ${module}${containingFile ? ' relative to ' + this.host.getOutputName(containingFile) : ''}`));
            return this.getStaticSymbol(`ERROR:${module}`, symbolName);
        }
        return this.getStaticSymbol(filePath, symbolName);
    }
    resolveModule(module, containingFile) {
        try {
            return this.host.moduleNameToFileName(module, containingFile);
        }
        catch (e) {
            console.error(`Could not resolve module '${module}' relative to file ${containingFile}`);
            this.reportError(e, undefined, containingFile);
        }
        return null;
    }
}
// Remove extra underscore from escaped identifier.
// See https://github.com/Microsoft/TypeScript/blob/master/src/compiler/utilities.ts
function unescapeIdentifier(identifier) {
    return identifier.startsWith('___') ? identifier.substr(1) : identifier;
}
function unwrapResolvedMetadata(metadata) {
    if (metadata && metadata.__symbolic === 'resolved') {
        return metadata.symbol;
    }
    return metadata;
}

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
function serializeSummaries(srcFileName, forJitCtx, summaryResolver, symbolResolver, symbols, types, createExternalSymbolReexports = false) {
    const toJsonSerializer = new ToJsonSerializer(symbolResolver, summaryResolver, srcFileName);
    // for symbols, we use everything except for the class metadata itself
    // (we keep the statics though), as the class metadata is contained in the
    // CompileTypeSummary.
    symbols.forEach((resolvedSymbol) => toJsonSerializer.addSummary({ symbol: resolvedSymbol.symbol, metadata: resolvedSymbol.metadata }));
    // Add type summaries.
    types.forEach(({ summary, metadata }) => {
        toJsonSerializer.addSummary({ symbol: summary.type.reference, metadata: undefined, type: summary });
    });
    const { json, exportAs } = toJsonSerializer.serialize(createExternalSymbolReexports);
    if (forJitCtx) {
        const forJitSerializer = new ForJitSerializer(forJitCtx, symbolResolver, summaryResolver);
        types.forEach(({ summary, metadata }) => {
            forJitSerializer.addSourceType(summary, metadata);
        });
        toJsonSerializer.unprocessedSymbolSummariesBySymbol.forEach((summary) => {
            if (summaryResolver.isLibraryFile(summary.symbol.filePath) && summary.type) {
                forJitSerializer.addLibType(summary.type);
            }
        });
        forJitSerializer.serialize(exportAs);
    }
    return { json, exportAs };
}
function deserializeSummaries(symbolCache, summaryResolver, libraryFileName, json) {
    const deserializer = new FromJsonDeserializer(symbolCache, summaryResolver);
    return deserializer.deserialize(libraryFileName, json);
}
function createForJitStub(outputCtx, reference) {
    return createSummaryForJitFunction(outputCtx, reference, NULL_EXPR);
}
function createSummaryForJitFunction(outputCtx, reference, value) {
    const fnName = summaryForJitName(reference.name);
    outputCtx.statements.push(fn([], [new ReturnStatement(value)], new ArrayType(DYNAMIC_TYPE)).toDeclStmt(fnName, [
        StmtModifier.Final, StmtModifier.Exported
    ]));
}
class ToJsonSerializer extends ValueTransformer {
    constructor(symbolResolver, summaryResolver, srcFileName) {
        super();
        this.symbolResolver = symbolResolver;
        this.summaryResolver = summaryResolver;
        this.srcFileName = srcFileName;
        // Note: This only contains symbols without members.
        this.symbols = [];
        this.indexBySymbol = new Map();
        this.reexportedBy = new Map();
        // This now contains a `__symbol: number` in the place of
        // StaticSymbols, but otherwise has the same shape as the original objects.
        this.processedSummaryBySymbol = new Map();
        this.processedSummaries = [];
        this.unprocessedSymbolSummariesBySymbol = new Map();
        this.moduleName = symbolResolver.getKnownModuleName(srcFileName);
    }
    addSummary(summary) {
        let unprocessedSummary = this.unprocessedSymbolSummariesBySymbol.get(summary.symbol);
        let processedSummary = this.processedSummaryBySymbol.get(summary.symbol);
        if (!unprocessedSummary) {
            unprocessedSummary = { symbol: summary.symbol, metadata: undefined };
            this.unprocessedSymbolSummariesBySymbol.set(summary.symbol, unprocessedSummary);
            processedSummary = { symbol: this.processValue(summary.symbol, 0 /* None */) };
            this.processedSummaries.push(processedSummary);
            this.processedSummaryBySymbol.set(summary.symbol, processedSummary);
        }
        if (!unprocessedSummary.metadata && summary.metadata) {
            let metadata = summary.metadata || {};
            if (metadata.__symbolic === 'class') {
                // For classes, we keep everything except their class decorators.
                // We need to keep e.g. the ctor args, method names, method decorators
                // so that the class can be extended in another compilation unit.
                // We don't keep the class decorators as
                // 1) they refer to data
                //   that should not cause a rebuild of downstream compilation units
                //   (e.g. inline templates of @Component, or @NgModule.declarations)
                // 2) their data is already captured in TypeSummaries, e.g. DirectiveSummary.
                const clone = {};
                Object.keys(metadata).forEach((propName) => {
                    if (propName !== 'decorators') {
                        clone[propName] = metadata[propName];
                    }
                });
                metadata = clone;
            }
            else if (isCall(metadata)) {
                if (!isFunctionCall(metadata) && !isMethodCallOnVariable(metadata)) {
                    // Don't store complex calls as we won't be able to simplify them anyways later on.
                    metadata = {
                        __symbolic: 'error',
                        message: 'Complex function calls are not supported.',
                    };
                }
            }
            // Note: We need to keep storing ctor calls for e.g.
            // `export const x = new InjectionToken(...)`
            unprocessedSummary.metadata = metadata;
            processedSummary.metadata = this.processValue(metadata, 1 /* ResolveValue */);
            if (metadata instanceof StaticSymbol &&
                this.summaryResolver.isLibraryFile(metadata.filePath)) {
                const declarationSymbol = this.symbols[this.indexBySymbol.get(metadata)];
                if (!isLoweredSymbol(declarationSymbol.name)) {
                    // Note: symbols that were introduced during codegen in the user file can have a reexport
                    // if a user used `export *`. However, we can't rely on this as tsickle will change
                    // `export *` into named exports, using only the information from the typechecker.
                    // As we introduce the new symbols after typecheck, Tsickle does not know about them,
                    // and omits them when expanding `export *`.
                    // So we have to keep reexporting these symbols manually via .ngfactory files.
                    this.reexportedBy.set(declarationSymbol, summary.symbol);
                }
            }
        }
        if (!unprocessedSummary.type && summary.type) {
            unprocessedSummary.type = summary.type;
            // Note: We don't add the summaries of all referenced symbols as for the ResolvedSymbols,
            // as the type summaries already contain the transitive data that they require
            // (in a minimal way).
            processedSummary.type = this.processValue(summary.type, 0 /* None */);
            // except for reexported directives / pipes, so we need to store
            // their summaries explicitly.
            if (summary.type.summaryKind === CompileSummaryKind.NgModule) {
                const ngModuleSummary = summary.type;
                ngModuleSummary.exportedDirectives.concat(ngModuleSummary.exportedPipes).forEach((id) => {
                    const symbol = id.reference;
                    if (this.summaryResolver.isLibraryFile(symbol.filePath) &&
                        !this.unprocessedSymbolSummariesBySymbol.has(symbol)) {
                        const summary = this.summaryResolver.resolveSummary(symbol);
                        if (summary) {
                            this.addSummary(summary);
                        }
                    }
                });
            }
        }
    }
    /**
     * @param createExternalSymbolReexports Whether external static symbols should be re-exported.
     * This can be enabled if external symbols should be re-exported by the current module in
     * order to avoid dynamically generated module dependencies which can break strict dependency
     * enforcements (as in Google3). Read more here: https://github.com/angular/angular/issues/25644
     */
    serialize(createExternalSymbolReexports) {
        const exportAs = [];
        const json = JSON.stringify({
            moduleName: this.moduleName,
            summaries: this.processedSummaries,
            symbols: this.symbols.map((symbol, index) => {
                symbol.assertNoMembers();
                let importAs = undefined;
                if (this.summaryResolver.isLibraryFile(symbol.filePath)) {
                    const reexportSymbol = this.reexportedBy.get(symbol);
                    if (reexportSymbol) {
                        // In case the given external static symbol is already manually exported by the
                        // user, we just proxy the external static symbol reference to the manual export.
                        // This ensures that the AOT compiler imports the external symbol through the
                        // user export and does not introduce another dependency which is not needed.
                        importAs = this.indexBySymbol.get(reexportSymbol);
                    }
                    else if (createExternalSymbolReexports) {
                        // In this case, the given external static symbol is *not* manually exported by
                        // the user, and we manually create a re-export in the factory file so that we
                        // don't introduce another module dependency. This is useful when running within
                        // Bazel so that the AOT compiler does not introduce any module dependencies
                        // which can break the strict dependency enforcement. (e.g. as in Google3)
                        // Read more about this here: https://github.com/angular/angular/issues/25644
                        const summary = this.unprocessedSymbolSummariesBySymbol.get(symbol);
                        if (!summary || !summary.metadata || summary.metadata.__symbolic !== 'interface') {
                            importAs = `${symbol.name}_${index}`;
                            exportAs.push({ symbol, exportAs: importAs });
                        }
                    }
                }
                return {
                    __symbol: index,
                    name: symbol.name,
                    filePath: this.summaryResolver.toSummaryFileName(symbol.filePath, this.srcFileName),
                    importAs: importAs
                };
            })
        });
        return { json, exportAs };
    }
    processValue(value, flags) {
        return visitValue(value, this, flags);
    }
    visitOther(value, context) {
        if (value instanceof StaticSymbol) {
            let baseSymbol = this.symbolResolver.getStaticSymbol(value.filePath, value.name);
            const index = this.visitStaticSymbol(baseSymbol, context);
            return { __symbol: index, members: value.members };
        }
    }
    /**
     * Strip line and character numbers from ngsummaries.
     * Emitting them causes white spaces changes to retrigger upstream
     * recompilations in bazel.
     * TODO: find out a way to have line and character numbers in errors without
     * excessive recompilation in bazel.
     */
    visitStringMap(map, context) {
        if (map['__symbolic'] === 'resolved') {
            return visitValue(map['symbol'], this, context);
        }
        if (map['__symbolic'] === 'error') {
            delete map['line'];
            delete map['character'];
        }
        return super.visitStringMap(map, context);
    }
    /**
     * Returns null if the options.resolveValue is true, and the summary for the symbol
     * resolved to a type or could not be resolved.
     */
    visitStaticSymbol(baseSymbol, flags) {
        let index = this.indexBySymbol.get(baseSymbol);
        let summary = null;
        if (flags & 1 /* ResolveValue */ &&
            this.summaryResolver.isLibraryFile(baseSymbol.filePath)) {
            if (this.unprocessedSymbolSummariesBySymbol.has(baseSymbol)) {
                // the summary for this symbol was already added
                // -> nothing to do.
                return index;
            }
            summary = this.loadSummary(baseSymbol);
            if (summary && summary.metadata instanceof StaticSymbol) {
                // The summary is a reexport
                index = this.visitStaticSymbol(summary.metadata, flags);
                // reset the summary as it is just a reexport, so we don't want to store it.
                summary = null;
            }
        }
        else if (index != null) {
            // Note: == on purpose to compare with undefined!
            // No summary and the symbol is already added -> nothing to do.
            return index;
        }
        // Note: == on purpose to compare with undefined!
        if (index == null) {
            index = this.symbols.length;
            this.symbols.push(baseSymbol);
        }
        this.indexBySymbol.set(baseSymbol, index);
        if (summary) {
            this.addSummary(summary);
        }
        return index;
    }
    loadSummary(symbol) {
        let summary = this.summaryResolver.resolveSummary(symbol);
        if (!summary) {
            // some symbols might originate from a plain typescript library
            // that just exported .d.ts and .metadata.json files, i.e. where no summary
            // files were created.
            const resolvedSymbol = this.symbolResolver.resolveSymbol(symbol);
            if (resolvedSymbol) {
                summary = { symbol: resolvedSymbol.symbol, metadata: resolvedSymbol.metadata };
            }
        }
        return summary;
    }
}
class ForJitSerializer {
    constructor(outputCtx, symbolResolver, summaryResolver) {
        this.outputCtx = outputCtx;
        this.symbolResolver = symbolResolver;
        this.summaryResolver = summaryResolver;
        this.data = [];
    }
    addSourceType(summary, metadata) {
        this.data.push({ summary, metadata, isLibrary: false });
    }
    addLibType(summary) {
        this.data.push({ summary, metadata: null, isLibrary: true });
    }
    serialize(exportAsArr) {
        const exportAsBySymbol = new Map();
        for (const { symbol, exportAs } of exportAsArr) {
            exportAsBySymbol.set(symbol, exportAs);
        }
        const ngModuleSymbols = new Set();
        for (const { summary, metadata, isLibrary } of this.data) {
            if (summary.summaryKind === CompileSummaryKind.NgModule) {
                // collect the symbols that refer to NgModule classes.
                // Note: we can't just rely on `summary.type.summaryKind` to determine this as
                // we don't add the summaries of all referenced symbols when we serialize type summaries.
                // See serializeSummaries for details.
                ngModuleSymbols.add(summary.type.reference);
                const modSummary = summary;
                for (const mod of modSummary.modules) {
                    ngModuleSymbols.add(mod.reference);
                }
            }
            if (!isLibrary) {
                const fnName = summaryForJitName(summary.type.reference.name);
                createSummaryForJitFunction(this.outputCtx, summary.type.reference, this.serializeSummaryWithDeps(summary, metadata));
            }
        }
        ngModuleSymbols.forEach((ngModuleSymbol) => {
            if (this.summaryResolver.isLibraryFile(ngModuleSymbol.filePath)) {
                let exportAs = exportAsBySymbol.get(ngModuleSymbol) || ngModuleSymbol.name;
                const jitExportAsName = summaryForJitName(exportAs);
                this.outputCtx.statements.push(variable(jitExportAsName)
                    .set(this.serializeSummaryRef(ngModuleSymbol))
                    .toDeclStmt(null, [StmtModifier.Exported]));
            }
        });
    }
    serializeSummaryWithDeps(summary, metadata) {
        const expressions = [this.serializeSummary(summary)];
        let providers = [];
        if (metadata instanceof CompileNgModuleMetadata) {
            expressions.push(...
            // For directives / pipes, we only add the declared ones,
            // and rely on transitively importing NgModules to get the transitive
            // summaries.
            metadata.declaredDirectives.concat(metadata.declaredPipes)
                .map(type => type.reference)
                // For modules,
                // we also add the summaries for modules
                // from libraries.
                // This is ok as we produce reexports for all transitive modules.
                .concat(metadata.transitiveModule.modules.map(type => type.reference)
                .filter(ref => ref !== metadata.type.reference))
                .map((ref) => this.serializeSummaryRef(ref)));
            // Note: We don't use `NgModuleSummary.providers`, as that one is transitive,
            // and we already have transitive modules.
            providers = metadata.providers;
        }
        else if (summary.summaryKind === CompileSummaryKind.Directive) {
            const dirSummary = summary;
            providers = dirSummary.providers.concat(dirSummary.viewProviders);
        }
        // Note: We can't just refer to the `ngsummary.ts` files for `useClass` providers (as we do for
        // declaredDirectives / declaredPipes), as we allow
        // providers without ctor arguments to skip the `@Injectable` decorator,
        // i.e. we didn't generate .ngsummary.ts files for these.
        expressions.push(...providers.filter(provider => !!provider.useClass).map(provider => this.serializeSummary({
            summaryKind: CompileSummaryKind.Injectable,
            type: provider.useClass
        })));
        return literalArr(expressions);
    }
    serializeSummaryRef(typeSymbol) {
        const jitImportedSymbol = this.symbolResolver.getStaticSymbol(summaryForJitFileName(typeSymbol.filePath), summaryForJitName(typeSymbol.name));
        return this.outputCtx.importExpr(jitImportedSymbol);
    }
    serializeSummary(data) {
        const outputCtx = this.outputCtx;
        class Transformer {
            visitArray(arr, context) {
                return literalArr(arr.map(entry => visitValue(entry, this, context)));
            }
            visitStringMap(map, context) {
                return new LiteralMapExpr(Object.keys(map).map((key) => new LiteralMapEntry(key, visitValue(map[key], this, context), false)));
            }
            visitPrimitive(value, context) {
                return literal(value);
            }
            visitOther(value, context) {
                if (value instanceof StaticSymbol) {
                    return outputCtx.importExpr(value);
                }
                else {
                    throw new Error(`Illegal State: Encountered value ${value}`);
                }
            }
        }
        return visitValue(data, new Transformer(), null);
    }
}
class FromJsonDeserializer extends ValueTransformer {
    constructor(symbolCache, summaryResolver) {
        super();
        this.symbolCache = symbolCache;
        this.summaryResolver = summaryResolver;
    }
    deserialize(libraryFileName, json) {
        const data = JSON.parse(json);
        const allImportAs = [];
        this.symbols = data.symbols.map((serializedSymbol) => this.symbolCache.get(this.summaryResolver.fromSummaryFileName(serializedSymbol.filePath, libraryFileName), serializedSymbol.name));
        data.symbols.forEach((serializedSymbol, index) => {
            const symbol = this.symbols[index];
            const importAs = serializedSymbol.importAs;
            if (typeof importAs === 'number') {
                allImportAs.push({ symbol, importAs: this.symbols[importAs] });
            }
            else if (typeof importAs === 'string') {
                allImportAs.push({ symbol, importAs: this.symbolCache.get(ngfactoryFilePath(libraryFileName), importAs) });
            }
        });
        const summaries = visitValue(data.summaries, this, null);
        return { moduleName: data.moduleName, summaries, importAs: allImportAs };
    }
    visitStringMap(map, context) {
        if ('__symbol' in map) {
            const baseSymbol = this.symbols[map['__symbol']];
            const members = map['members'];
            return members.length ? this.symbolCache.get(baseSymbol.filePath, baseSymbol.name, members) :
                baseSymbol;
        }
        else {
            return super.visitStringMap(map, context);
        }
    }
}
function isCall(metadata) {
    return metadata && metadata.__symbolic === 'call';
}
function isFunctionCall(metadata) {
    return isCall(metadata) && unwrapResolvedMetadata(metadata.expression) instanceof StaticSymbol;
}
function isMethodCallOnVariable(metadata) {
    return isCall(metadata) && metadata.expression && metadata.expression.__symbolic === 'select' &&
        unwrapResolvedMetadata(metadata.expression.expression) instanceof StaticSymbol;
}

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
class AotCompiler {
    constructor(_config, _options, _host, reflector, _metadataResolver, _templateParser, _styleCompiler, _viewCompiler, _typeCheckCompiler, _ngModuleCompiler, _injectableCompiler, _outputEmitter, _summaryResolver, _symbolResolver) {
        this._config = _config;
        this._options = _options;
        this._host = _host;
        this.reflector = reflector;
        this._metadataResolver = _metadataResolver;
        this._templateParser = _templateParser;
        this._styleCompiler = _styleCompiler;
        this._viewCompiler = _viewCompiler;
        this._typeCheckCompiler = _typeCheckCompiler;
        this._ngModuleCompiler = _ngModuleCompiler;
        this._injectableCompiler = _injectableCompiler;
        this._outputEmitter = _outputEmitter;
        this._summaryResolver = _summaryResolver;
        this._symbolResolver = _symbolResolver;
        this._templateAstCache = new Map();
        this._analyzedFiles = new Map();
        this._analyzedFilesForInjectables = new Map();
    }
    clearCache() {
        this._metadataResolver.clearCache();
    }
    analyzeModulesSync(rootFiles) {
        const analyzeResult = analyzeAndValidateNgModules(rootFiles, this._host, this._symbolResolver, this._metadataResolver);
        analyzeResult.ngModules.forEach(ngModule => this._metadataResolver.loadNgModuleDirectiveAndPipeMetadata(ngModule.type.reference, true));
        return analyzeResult;
    }
    analyzeModulesAsync(rootFiles) {
        const analyzeResult = analyzeAndValidateNgModules(rootFiles, this._host, this._symbolResolver, this._metadataResolver);
        return Promise
            .all(analyzeResult.ngModules.map(ngModule => this._metadataResolver.loadNgModuleDirectiveAndPipeMetadata(ngModule.type.reference, false)))
            .then(() => analyzeResult);
    }
    _analyzeFile(fileName) {
        let analyzedFile = this._analyzedFiles.get(fileName);
        if (!analyzedFile) {
            analyzedFile =
                analyzeFile(this._host, this._symbolResolver, this._metadataResolver, fileName);
            this._analyzedFiles.set(fileName, analyzedFile);
        }
        return analyzedFile;
    }
    _analyzeFileForInjectables(fileName) {
        let analyzedFile = this._analyzedFilesForInjectables.get(fileName);
        if (!analyzedFile) {
            analyzedFile = analyzeFileForInjectables(this._host, this._symbolResolver, this._metadataResolver, fileName);
            this._analyzedFilesForInjectables.set(fileName, analyzedFile);
        }
        return analyzedFile;
    }
    findGeneratedFileNames(fileName) {
        const genFileNames = [];
        const file = this._analyzeFile(fileName);
        // Make sure we create a .ngfactory if we have a injectable/directive/pipe/NgModule
        // or a reference to a non source file.
        // Note: This is overestimating the required .ngfactory files as the real calculation is harder.
        // Only do this for StubEmitFlags.Basic, as adding a type check block
        // does not change this file (as we generate type check blocks based on NgModules).
        if (this._options.allowEmptyCodegenFiles || file.directives.length || file.pipes.length ||
            file.injectables.length || file.ngModules.length || file.exportsNonSourceFiles) {
            genFileNames.push(ngfactoryFilePath(file.fileName, true));
            if (this._options.enableSummariesForJit) {
                genFileNames.push(summaryForJitFileName(file.fileName, true));
            }
        }
        const fileSuffix = normalizeGenFileSuffix(splitTypescriptSuffix(file.fileName, true)[1]);
        file.directives.forEach((dirSymbol) => {
            const compMeta = this._metadataResolver.getNonNormalizedDirectiveMetadata(dirSymbol).metadata;
            if (!compMeta.isComponent) {
                return;
            }
            // Note: compMeta is a component and therefore template is non null.
            compMeta.template.styleUrls.forEach((styleUrl) => {
                const normalizedUrl = this._host.resourceNameToFileName(styleUrl, file.fileName);
                if (!normalizedUrl) {
                    throw syntaxError(`Couldn't resolve resource ${styleUrl} relative to ${file.fileName}`);
                }
                const needsShim = (compMeta.template.encapsulation ||
                    this._config.defaultEncapsulation) === ViewEncapsulation.Emulated;
                genFileNames.push(_stylesModuleUrl(normalizedUrl, needsShim, fileSuffix));
                if (this._options.allowEmptyCodegenFiles) {
                    genFileNames.push(_stylesModuleUrl(normalizedUrl, !needsShim, fileSuffix));
                }
            });
        });
        return genFileNames;
    }
    emitBasicStub(genFileName, originalFileName) {
        const outputCtx = this._createOutputContext(genFileName);
        if (genFileName.endsWith('.ngfactory.ts')) {
            if (!originalFileName) {
                throw new Error(`Assertion error: require the original file for .ngfactory.ts stubs. File: ${genFileName}`);
            }
            const originalFile = this._analyzeFile(originalFileName);
            this._createNgFactoryStub(outputCtx, originalFile, 1 /* Basic */);
        }
        else if (genFileName.endsWith('.ngsummary.ts')) {
            if (this._options.enableSummariesForJit) {
                if (!originalFileName) {
                    throw new Error(`Assertion error: require the original file for .ngsummary.ts stubs. File: ${genFileName}`);
                }
                const originalFile = this._analyzeFile(originalFileName);
                _createEmptyStub(outputCtx);
                originalFile.ngModules.forEach(ngModule => {
                    // create exports that user code can reference
                    createForJitStub(outputCtx, ngModule.type.reference);
                });
            }
        }
        else if (genFileName.endsWith('.ngstyle.ts')) {
            _createEmptyStub(outputCtx);
        }
        // Note: for the stubs, we don't need a property srcFileUrl,
        // as later on in emitAllImpls we will create the proper GeneratedFiles with the
        // correct srcFileUrl.
        // This is good as e.g. for .ngstyle.ts files we can't derive
        // the url of components based on the genFileUrl.
        return this._codegenSourceModule('unknown', outputCtx);
    }
    emitTypeCheckStub(genFileName, originalFileName) {
        const originalFile = this._analyzeFile(originalFileName);
        const outputCtx = this._createOutputContext(genFileName);
        if (genFileName.endsWith('.ngfactory.ts')) {
            this._createNgFactoryStub(outputCtx, originalFile, 2 /* TypeCheck */);
        }
        return outputCtx.statements.length > 0 ?
            this._codegenSourceModule(originalFile.fileName, outputCtx) :
            null;
    }
    loadFilesAsync(fileNames, tsFiles) {
        const files = fileNames.map(fileName => this._analyzeFile(fileName));
        const loadingPromises = [];
        files.forEach(file => file.ngModules.forEach(ngModule => loadingPromises.push(this._metadataResolver.loadNgModuleDirectiveAndPipeMetadata(ngModule.type.reference, false))));
        const analyzedInjectables = tsFiles.map(tsFile => this._analyzeFileForInjectables(tsFile));
        return Promise.all(loadingPromises).then(_ => ({
            analyzedModules: mergeAndValidateNgFiles(files),
            analyzedInjectables: analyzedInjectables,
        }));
    }
    loadFilesSync(fileNames, tsFiles) {
        const files = fileNames.map(fileName => this._analyzeFile(fileName));
        files.forEach(file => file.ngModules.forEach(ngModule => this._metadataResolver.loadNgModuleDirectiveAndPipeMetadata(ngModule.type.reference, true)));
        const analyzedInjectables = tsFiles.map(tsFile => this._analyzeFileForInjectables(tsFile));
        return {
            analyzedModules: mergeAndValidateNgFiles(files),
            analyzedInjectables: analyzedInjectables,
        };
    }
    _createNgFactoryStub(outputCtx, file, emitFlags) {
        let componentId = 0;
        file.ngModules.forEach((ngModuleMeta, ngModuleIndex) => {
            // Note: the code below needs to executed for StubEmitFlags.Basic and StubEmitFlags.TypeCheck,
            // so we don't change the .ngfactory file too much when adding the type-check block.
            // create exports that user code can reference
            this._ngModuleCompiler.createStub(outputCtx, ngModuleMeta.type.reference);
            // add references to the symbols from the metadata.
            // These can be used by the type check block for components,
            // and they also cause TypeScript to include these files into the program too,
            // which will make them part of the analyzedFiles.
            const externalReferences = [
                // Add references that are available from all the modules and imports.
                ...ngModuleMeta.transitiveModule.directives.map(d => d.reference),
                ...ngModuleMeta.transitiveModule.pipes.map(d => d.reference),
                ...ngModuleMeta.importedModules.map(m => m.type.reference),
                ...ngModuleMeta.exportedModules.map(m => m.type.reference),
                // Add references that might be inserted by the template compiler.
                ...this._externalIdentifierReferences([Identifiers$1.TemplateRef, Identifiers$1.ElementRef]),
            ];
            const externalReferenceVars = new Map();
            externalReferences.forEach((ref, typeIndex) => {
                externalReferenceVars.set(ref, `_decl${ngModuleIndex}_${typeIndex}`);
            });
            externalReferenceVars.forEach((varName, reference) => {
                outputCtx.statements.push(variable(varName)
                    .set(NULL_EXPR.cast(DYNAMIC_TYPE))
                    .toDeclStmt(expressionType(outputCtx.importExpr(reference, /* typeParams */ null, /* useSummaries */ false))));
            });
            if (emitFlags & 2 /* TypeCheck */) {
                // add the type-check block for all components of the NgModule
                ngModuleMeta.declaredDirectives.forEach((dirId) => {
                    const compMeta = this._metadataResolver.getDirectiveMetadata(dirId.reference);
                    if (!compMeta.isComponent) {
                        return;
                    }
                    componentId++;
                    this._createTypeCheckBlock(outputCtx, `${compMeta.type.reference.name}_Host_${componentId}`, ngModuleMeta, this._metadataResolver.getHostComponentMetadata(compMeta), [compMeta.type], externalReferenceVars);
                    this._createTypeCheckBlock(outputCtx, `${compMeta.type.reference.name}_${componentId}`, ngModuleMeta, compMeta, ngModuleMeta.transitiveModule.directives, externalReferenceVars);
                });
            }
        });
        if (outputCtx.statements.length === 0) {
            _createEmptyStub(outputCtx);
        }
    }
    _externalIdentifierReferences(references) {
        const result = [];
        for (let reference of references) {
            const token = createTokenForExternalReference(this.reflector, reference);
            if (token.identifier) {
                result.push(token.identifier.reference);
            }
        }
        return result;
    }
    _createTypeCheckBlock(ctx, componentId, moduleMeta, compMeta, directives, externalReferenceVars) {
        const { template: parsedTemplate, pipes: usedPipes } = this._parseTemplate(compMeta, moduleMeta, directives);
        ctx.statements.push(...this._typeCheckCompiler.compileComponent(componentId, compMeta, parsedTemplate, usedPipes, externalReferenceVars, ctx));
    }
    emitMessageBundle(analyzeResult, locale) {
        const errors = [];
        const htmlParser = new HtmlParser();
        // TODO(vicb): implicit tags & attributes
        const messageBundle = new MessageBundle(htmlParser, [], {}, locale);
        analyzeResult.files.forEach(file => {
            const compMetas = [];
            file.directives.forEach(directiveType => {
                const dirMeta = this._metadataResolver.getDirectiveMetadata(directiveType);
                if (dirMeta && dirMeta.isComponent) {
                    compMetas.push(dirMeta);
                }
            });
            compMetas.forEach(compMeta => {
                const html = compMeta.template.template;
                // Template URL points to either an HTML or TS file depending on whether
                // the file is used with `templateUrl:` or `template:`, respectively.
                const templateUrl = compMeta.template.templateUrl;
                const interpolationConfig = InterpolationConfig.fromArray(compMeta.template.interpolation);
                errors.push(...messageBundle.updateFromTemplate(html, templateUrl, interpolationConfig));
            });
        });
        if (errors.length) {
            throw new Error(errors.map(e => e.toString()).join('\n'));
        }
        return messageBundle;
    }
    emitAllPartialModules2(files) {
        // Using reduce like this is a select many pattern (where map is a select pattern)
        return files.reduce((r, file) => {
            r.push(...this._emitPartialModule2(file.fileName, file.injectables));
            return r;
        }, []);
    }
    _emitPartialModule2(fileName, injectables) {
        const context = this._createOutputContext(fileName);
        injectables.forEach(injectable => this._injectableCompiler.compile(injectable, context));
        if (context.statements && context.statements.length > 0) {
            return [{ fileName, statements: [...context.constantPool.statements, ...context.statements] }];
        }
        return [];
    }
    emitAllImpls(analyzeResult) {
        const { ngModuleByPipeOrDirective, files } = analyzeResult;
        const sourceModules = files.map(file => this._compileImplFile(file.fileName, ngModuleByPipeOrDirective, file.directives, file.pipes, file.ngModules, file.injectables));
        return flatten(sourceModules);
    }
    _compileImplFile(srcFileUrl, ngModuleByPipeOrDirective, directives, pipes, ngModules, injectables) {
        const fileSuffix = normalizeGenFileSuffix(splitTypescriptSuffix(srcFileUrl, true)[1]);
        const generatedFiles = [];
        const outputCtx = this._createOutputContext(ngfactoryFilePath(srcFileUrl, true));
        generatedFiles.push(...this._createSummary(srcFileUrl, directives, pipes, ngModules, injectables, outputCtx));
        // compile all ng modules
        ngModules.forEach((ngModuleMeta) => this._compileModule(outputCtx, ngModuleMeta));
        // compile components
        directives.forEach((dirType) => {
            const compMeta = this._metadataResolver.getDirectiveMetadata(dirType);
            if (!compMeta.isComponent) {
                return;
            }
            const ngModule = ngModuleByPipeOrDirective.get(dirType);
            if (!ngModule) {
                throw new Error(`Internal Error: cannot determine the module for component ${identifierName(compMeta.type)}!`);
            }
            // compile styles
            const componentStylesheet = this._styleCompiler.compileComponent(outputCtx, compMeta);
            // Note: compMeta is a component and therefore template is non null.
            compMeta.template.externalStylesheets.forEach((stylesheetMeta) => {
                // Note: fill non shim and shim style files as they might
                // be shared by component with and without ViewEncapsulation.
                const shim = this._styleCompiler.needsStyleShim(compMeta);
                generatedFiles.push(this._codegenStyles(srcFileUrl, compMeta, stylesheetMeta, shim, fileSuffix));
                if (this._options.allowEmptyCodegenFiles) {
                    generatedFiles.push(this._codegenStyles(srcFileUrl, compMeta, stylesheetMeta, !shim, fileSuffix));
                }
            });
            // compile components
            const compViewVars = this._compileComponent(outputCtx, compMeta, ngModule, ngModule.transitiveModule.directives, componentStylesheet, fileSuffix);
            this._compileComponentFactory(outputCtx, compMeta, ngModule, fileSuffix);
        });
        if (outputCtx.statements.length > 0 || this._options.allowEmptyCodegenFiles) {
            const srcModule = this._codegenSourceModule(srcFileUrl, outputCtx);
            generatedFiles.unshift(srcModule);
        }
        return generatedFiles;
    }
    _createSummary(srcFileName, directives, pipes, ngModules, injectables, ngFactoryCtx) {
        const symbolSummaries = this._symbolResolver.getSymbolsOf(srcFileName)
            .map(symbol => this._symbolResolver.resolveSymbol(symbol));
        const typeData = [
            ...ngModules.map(meta => ({
                summary: this._metadataResolver.getNgModuleSummary(meta.type.reference),
                metadata: this._metadataResolver.getNgModuleMetadata(meta.type.reference)
            })),
            ...directives.map(ref => ({
                summary: this._metadataResolver.getDirectiveSummary(ref),
                metadata: this._metadataResolver.getDirectiveMetadata(ref)
            })),
            ...pipes.map(ref => ({
                summary: this._metadataResolver.getPipeSummary(ref),
                metadata: this._metadataResolver.getPipeMetadata(ref)
            })),
            ...injectables.map(ref => ({
                summary: this._metadataResolver.getInjectableSummary(ref.symbol),
                metadata: this._metadataResolver.getInjectableSummary(ref.symbol).type
            }))
        ];
        const forJitOutputCtx = this._options.enableSummariesForJit ?
            this._createOutputContext(summaryForJitFileName(srcFileName, true)) :
            null;
        const { json, exportAs } = serializeSummaries(srcFileName, forJitOutputCtx, this._summaryResolver, this._symbolResolver, symbolSummaries, typeData, this._options.createExternalSymbolFactoryReexports);
        exportAs.forEach((entry) => {
            ngFactoryCtx.statements.push(variable(entry.exportAs).set(ngFactoryCtx.importExpr(entry.symbol)).toDeclStmt(null, [
                StmtModifier.Exported
            ]));
        });
        const summaryJson = new GeneratedFile(srcFileName, summaryFileName(srcFileName), json);
        const result = [summaryJson];
        if (forJitOutputCtx) {
            result.push(this._codegenSourceModule(srcFileName, forJitOutputCtx));
        }
        return result;
    }
    _compileModule(outputCtx, ngModule) {
        const providers = [];
        if (this._options.locale) {
            const normalizedLocale = this._options.locale.replace(/_/g, '-');
            providers.push({
                token: createTokenForExternalReference(this.reflector, Identifiers$1.LOCALE_ID),
                useValue: normalizedLocale,
            });
        }
        if (this._options.i18nFormat) {
            providers.push({
                token: createTokenForExternalReference(this.reflector, Identifiers$1.TRANSLATIONS_FORMAT),
                useValue: this._options.i18nFormat
            });
        }
        this._ngModuleCompiler.compile(outputCtx, ngModule, providers);
    }
    _compileComponentFactory(outputCtx, compMeta, ngModule, fileSuffix) {
        const hostMeta = this._metadataResolver.getHostComponentMetadata(compMeta);
        const hostViewFactoryVar = this._compileComponent(outputCtx, hostMeta, ngModule, [compMeta.type], null, fileSuffix)
            .viewClassVar;
        const compFactoryVar = componentFactoryName(compMeta.type.reference);
        const inputsExprs = [];
        for (let propName in compMeta.inputs) {
            const templateName = compMeta.inputs[propName];
            // Don't quote so that the key gets minified...
            inputsExprs.push(new LiteralMapEntry(propName, literal(templateName), false));
        }
        const outputsExprs = [];
        for (let propName in compMeta.outputs) {
            const templateName = compMeta.outputs[propName];
            // Don't quote so that the key gets minified...
            outputsExprs.push(new LiteralMapEntry(propName, literal(templateName), false));
        }
        outputCtx.statements.push(variable(compFactoryVar)
            .set(importExpr(Identifiers$1.createComponentFactory).callFn([
            literal(compMeta.selector), outputCtx.importExpr(compMeta.type.reference),
            variable(hostViewFactoryVar), new LiteralMapExpr(inputsExprs),
            new LiteralMapExpr(outputsExprs),
            literalArr(compMeta.template.ngContentSelectors.map(selector => literal(selector)))
        ]))
            .toDeclStmt(importType(Identifiers$1.ComponentFactory, [expressionType(outputCtx.importExpr(compMeta.type.reference))], [TypeModifier.Const]), [StmtModifier.Final, StmtModifier.Exported]));
    }
    _compileComponent(outputCtx, compMeta, ngModule, directiveIdentifiers, componentStyles, fileSuffix) {
        const { template: parsedTemplate, pipes: usedPipes } = this._parseTemplate(compMeta, ngModule, directiveIdentifiers);
        const stylesExpr = componentStyles ? variable(componentStyles.stylesVar) : literalArr([]);
        const viewResult = this._viewCompiler.compileComponent(outputCtx, compMeta, parsedTemplate, stylesExpr, usedPipes);
        if (componentStyles) {
            _resolveStyleStatements(this._symbolResolver, componentStyles, this._styleCompiler.needsStyleShim(compMeta), fileSuffix);
        }
        return viewResult;
    }
    _parseTemplate(compMeta, ngModule, directiveIdentifiers) {
        if (this._templateAstCache.has(compMeta.type.reference)) {
            return this._templateAstCache.get(compMeta.type.reference);
        }
        const preserveWhitespaces = compMeta.template.preserveWhitespaces;
        const directives = directiveIdentifiers.map(dir => this._metadataResolver.getDirectiveSummary(dir.reference));
        const pipes = ngModule.transitiveModule.pipes.map(pipe => this._metadataResolver.getPipeSummary(pipe.reference));
        const result = this._templateParser.parse(compMeta, compMeta.template.htmlAst, directives, pipes, ngModule.schemas, templateSourceUrl(ngModule.type, compMeta, compMeta.template), preserveWhitespaces);
        this._templateAstCache.set(compMeta.type.reference, result);
        return result;
    }
    _createOutputContext(genFilePath) {
        const importExpr$1 = (symbol, typeParams = null, useSummaries = true) => {
            if (!(symbol instanceof StaticSymbol)) {
                throw new Error(`Internal error: unknown identifier ${JSON.stringify(symbol)}`);
            }
            const arity = this._symbolResolver.getTypeArity(symbol) || 0;
            const { filePath, name, members } = this._symbolResolver.getImportAs(symbol, useSummaries) || symbol;
            const importModule = this._fileNameToModuleName(filePath, genFilePath);
            // It should be good enough to compare filePath to genFilePath and if they are equal
            // there is a self reference. However, ngfactory files generate to .ts but their
            // symbols have .d.ts so a simple compare is insufficient. They should be canonical
            // and is tracked by #17705.
            const selfReference = this._fileNameToModuleName(genFilePath, genFilePath);
            const moduleName = importModule === selfReference ? null : importModule;
            // If we are in a type expression that refers to a generic type then supply
            // the required type parameters. If there were not enough type parameters
            // supplied, supply any as the type. Outside a type expression the reference
            // should not supply type parameters and be treated as a simple value reference
            // to the constructor function itself.
            const suppliedTypeParams = typeParams || [];
            const missingTypeParamsCount = arity - suppliedTypeParams.length;
            const allTypeParams = suppliedTypeParams.concat(newArray(missingTypeParamsCount, DYNAMIC_TYPE));
            return members.reduce((expr, memberName) => expr.prop(memberName), importExpr(new ExternalReference(moduleName, name, null), allTypeParams));
        };
        return { statements: [], genFilePath, importExpr: importExpr$1, constantPool: new ConstantPool() };
    }
    _fileNameToModuleName(importedFilePath, containingFilePath) {
        return this._summaryResolver.getKnownModuleName(importedFilePath) ||
            this._symbolResolver.getKnownModuleName(importedFilePath) ||
            this._host.fileNameToModuleName(importedFilePath, containingFilePath);
    }
    _codegenStyles(srcFileUrl, compMeta, stylesheetMetadata, isShimmed, fileSuffix) {
        const outputCtx = this._createOutputContext(_stylesModuleUrl(stylesheetMetadata.moduleUrl, isShimmed, fileSuffix));
        const compiledStylesheet = this._styleCompiler.compileStyles(outputCtx, compMeta, stylesheetMetadata, isShimmed);
        _resolveStyleStatements(this._symbolResolver, compiledStylesheet, isShimmed, fileSuffix);
        return this._codegenSourceModule(srcFileUrl, outputCtx);
    }
    _codegenSourceModule(srcFileUrl, ctx) {
        return new GeneratedFile(srcFileUrl, ctx.genFilePath, ctx.statements);
    }
    listLazyRoutes(entryRoute, analyzedModules) {
        const self = this;
        if (entryRoute) {
            const symbol = parseLazyRoute(entryRoute, this.reflector).referencedModule;
            return visitLazyRoute(symbol);
        }
        else if (analyzedModules) {
            const allLazyRoutes = [];
            for (const ngModule of analyzedModules.ngModules) {
                const lazyRoutes = listLazyRoutes(ngModule, this.reflector);
                for (const lazyRoute of lazyRoutes) {
                    allLazyRoutes.push(lazyRoute);
                }
            }
            return allLazyRoutes;
        }
        else {
            throw new Error(`Either route or analyzedModules has to be specified!`);
        }
        function visitLazyRoute(symbol, seenRoutes = new Set(), allLazyRoutes = []) {
            // Support pointing to default exports, but stop recursing there,
            // as the StaticReflector does not yet support default exports.
            if (seenRoutes.has(symbol) || !symbol.name) {
                return allLazyRoutes;
            }
            seenRoutes.add(symbol);
            const lazyRoutes = listLazyRoutes(self._metadataResolver.getNgModuleMetadata(symbol, true), self.reflector);
            for (const lazyRoute of lazyRoutes) {
                allLazyRoutes.push(lazyRoute);
                visitLazyRoute(lazyRoute.referencedModule, seenRoutes, allLazyRoutes);
            }
            return allLazyRoutes;
        }
    }
}
function _createEmptyStub(outputCtx) {
    // Note: We need to produce at least one import statement so that
    // TypeScript knows that the file is an es6 module. Otherwise our generated
    // exports / imports won't be emitted properly by TypeScript.
    outputCtx.statements.push(importExpr(Identifiers$1.ComponentFactory).toStmt());
}
function _resolveStyleStatements(symbolResolver, compileResult, needsShim, fileSuffix) {
    compileResult.dependencies.forEach((dep) => {
        dep.setValue(symbolResolver.getStaticSymbol(_stylesModuleUrl(dep.moduleUrl, needsShim, fileSuffix), dep.name));
    });
}
function _stylesModuleUrl(stylesheetUrl, shim, suffix) {
    return `${stylesheetUrl}${shim ? '.shim' : ''}.ngstyle${suffix}`;
}
function analyzeNgModules(fileNames, host, staticSymbolResolver, metadataResolver) {
    const files = _analyzeFilesIncludingNonProgramFiles(fileNames, host, staticSymbolResolver, metadataResolver);
    return mergeAnalyzedFiles(files);
}
function analyzeAndValidateNgModules(fileNames, host, staticSymbolResolver, metadataResolver) {
    return validateAnalyzedModules(analyzeNgModules(fileNames, host, staticSymbolResolver, metadataResolver));
}
function validateAnalyzedModules(analyzedModules) {
    if (analyzedModules.symbolsMissingModule && analyzedModules.symbolsMissingModule.length) {
        const messages = analyzedModules.symbolsMissingModule.map(s => `Cannot determine the module for class ${s.name} in ${s.filePath}! Add ${s.name} to the NgModule to fix it.`);
        throw syntaxError(messages.join('\n'));
    }
    return analyzedModules;
}
// Analyzes all of the program files,
// including files that are not part of the program
// but are referenced by an NgModule.
function _analyzeFilesIncludingNonProgramFiles(fileNames, host, staticSymbolResolver, metadataResolver) {
    const seenFiles = new Set();
    const files = [];
    const visitFile = (fileName) => {
        if (seenFiles.has(fileName) || !host.isSourceFile(fileName)) {
            return false;
        }
        seenFiles.add(fileName);
        const analyzedFile = analyzeFile(host, staticSymbolResolver, metadataResolver, fileName);
        files.push(analyzedFile);
        analyzedFile.ngModules.forEach(ngModule => {
            ngModule.transitiveModule.modules.forEach(modMeta => visitFile(modMeta.reference.filePath));
        });
    };
    fileNames.forEach((fileName) => visitFile(fileName));
    return files;
}
function analyzeFile(host, staticSymbolResolver, metadataResolver, fileName) {
    const abstractDirectives = [];
    const directives = [];
    const pipes = [];
    const injectables = [];
    const ngModules = [];
    const hasDecorators = staticSymbolResolver.hasDecorators(fileName);
    let exportsNonSourceFiles = false;
    const isDeclarationFile = fileName.endsWith('.d.ts');
    // Don't analyze .d.ts files that have no decorators as a shortcut
    // to speed up the analysis. This prevents us from
    // resolving the references in these files.
    // Note: exportsNonSourceFiles is only needed when compiling with summaries,
    // which is not the case when .d.ts files are treated as input files.
    if (!isDeclarationFile || hasDecorators) {
        staticSymbolResolver.getSymbolsOf(fileName).forEach((symbol) => {
            const resolvedSymbol = staticSymbolResolver.resolveSymbol(symbol);
            const symbolMeta = resolvedSymbol.metadata;
            if (!symbolMeta || symbolMeta.__symbolic === 'error') {
                return;
            }
            let isNgSymbol = false;
            if (symbolMeta.__symbolic === 'class') {
                if (metadataResolver.isDirective(symbol)) {
                    isNgSymbol = true;
                    // This directive either has a selector or doesn't. Selector-less directives get tracked
                    // in abstractDirectives, not directives. The compiler doesn't deal with selector-less
                    // directives at all, really, other than to persist their metadata. This is done so that
                    // apps will have an easier time migrating to Ivy, which requires the selector-less
                    // annotations to be applied.
                    if (!metadataResolver.isAbstractDirective(symbol)) {
                        // The directive is an ordinary directive.
                        directives.push(symbol);
                    }
                    else {
                        // The directive has no selector and is an "abstract" directive, so track it
                        // accordingly.
                        abstractDirectives.push(symbol);
                    }
                }
                else if (metadataResolver.isPipe(symbol)) {
                    isNgSymbol = true;
                    pipes.push(symbol);
                }
                else if (metadataResolver.isNgModule(symbol)) {
                    const ngModule = metadataResolver.getNgModuleMetadata(symbol, false);
                    if (ngModule) {
                        isNgSymbol = true;
                        ngModules.push(ngModule);
                    }
                }
                else if (metadataResolver.isInjectable(symbol)) {
                    isNgSymbol = true;
                    const injectable = metadataResolver.getInjectableMetadata(symbol, null, false);
                    if (injectable) {
                        injectables.push(injectable);
                    }
                }
            }
            if (!isNgSymbol) {
                exportsNonSourceFiles =
                    exportsNonSourceFiles || isValueExportingNonSourceFile(host, symbolMeta);
            }
        });
    }
    return {
        fileName,
        directives,
        abstractDirectives,
        pipes,
        ngModules,
        injectables,
        exportsNonSourceFiles,
    };
}
function analyzeFileForInjectables(host, staticSymbolResolver, metadataResolver, fileName) {
    const injectables = [];
    const shallowModules = [];
    if (staticSymbolResolver.hasDecorators(fileName)) {
        staticSymbolResolver.getSymbolsOf(fileName).forEach((symbol) => {
            const resolvedSymbol = staticSymbolResolver.resolveSymbol(symbol);
            const symbolMeta = resolvedSymbol.metadata;
            if (!symbolMeta || symbolMeta.__symbolic === 'error') {
                return;
            }
            if (symbolMeta.__symbolic === 'class') {
                if (metadataResolver.isInjectable(symbol)) {
                    const injectable = metadataResolver.getInjectableMetadata(symbol, null, false);
                    if (injectable) {
                        injectables.push(injectable);
                    }
                }
                else if (metadataResolver.isNgModule(symbol)) {
                    const module = metadataResolver.getShallowModuleMetadata(symbol);
                    if (module) {
                        shallowModules.push(module);
                    }
                }
            }
        });
    }
    return { fileName, injectables, shallowModules };
}
function isValueExportingNonSourceFile(host, metadata) {
    let exportsNonSourceFiles = false;
    class Visitor {
        visitArray(arr, context) {
            arr.forEach(v => visitValue(v, this, context));
        }
        visitStringMap(map, context) {
            Object.keys(map).forEach((key) => visitValue(map[key], this, context));
        }
        visitPrimitive(value, context) { }
        visitOther(value, context) {
            if (value instanceof StaticSymbol && !host.isSourceFile(value.filePath)) {
                exportsNonSourceFiles = true;
            }
        }
    }
    visitValue(metadata, new Visitor(), null);
    return exportsNonSourceFiles;
}
function mergeAnalyzedFiles(analyzedFiles) {
    const allNgModules = [];
    const ngModuleByPipeOrDirective = new Map();
    const allPipesAndDirectives = new Set();
    analyzedFiles.forEach(af => {
        af.ngModules.forEach(ngModule => {
            allNgModules.push(ngModule);
            ngModule.declaredDirectives.forEach(d => ngModuleByPipeOrDirective.set(d.reference, ngModule));
            ngModule.declaredPipes.forEach(p => ngModuleByPipeOrDirective.set(p.reference, ngModule));
        });
        af.directives.forEach(d => allPipesAndDirectives.add(d));
        af.pipes.forEach(p => allPipesAndDirectives.add(p));
    });
    const symbolsMissingModule = [];
    allPipesAndDirectives.forEach(ref => {
        if (!ngModuleByPipeOrDirective.has(ref)) {
            symbolsMissingModule.push(ref);
        }
    });
    return {
        ngModules: allNgModules,
        ngModuleByPipeOrDirective,
        symbolsMissingModule,
        files: analyzedFiles
    };
}
function mergeAndValidateNgFiles(files) {
    return validateAnalyzedModules(mergeAnalyzedFiles(files));
}

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
const FORMATTED_MESSAGE = 'ngFormattedMessage';
function indentStr(level) {
    if (level <= 0)
        return '';
    if (level < 6)
        return ['', ' ', '  ', '   ', '    ', '     '][level];
    const half = indentStr(Math.floor(level / 2));
    return half + half + (level % 2 === 1 ? ' ' : '');
}
function formatChain(chain, indent = 0) {
    if (!chain)
        return '';
    const position = chain.position ?
        `${chain.position.fileName}(${chain.position.line + 1},${chain.position.column + 1})` :
        '';
    const prefix = position && indent === 0 ? `${position}: ` : '';
    const postfix = position && indent !== 0 ? ` at ${position}` : '';
    let message = `${prefix}${chain.message}${postfix}`;
    if (chain.next) {
        for (const kid of chain.next) {
            message += '\n' + formatChain(kid, indent + 2);
        }
    }
    return `${indentStr(indent)}${message}`;
}
function formattedError(chain) {
    const message = formatChain(chain) + '.';
    const error = syntaxError(message);
    error[FORMATTED_MESSAGE] = true;
    error.chain = chain;
    error.position = chain.position;
    return error;
}
function isFormattedError(error) {
    return !!error[FORMATTED_MESSAGE];
}

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
const ANGULAR_CORE = '@angular/core';
const ANGULAR_ROUTER = '@angular/router';
const HIDDEN_KEY = /^\$.*\$$/;
const IGNORE = {
    __symbolic: 'ignore'
};
const USE_VALUE$1 = 'useValue';
const PROVIDE = 'provide';
const REFERENCE_SET = new Set([USE_VALUE$1, 'useFactory', 'data', 'id', 'loadChildren']);
const TYPEGUARD_POSTFIX = 'TypeGuard';
const USE_IF = 'UseIf';
function shouldIgnore(value) {
    return value && value.__symbolic == 'ignore';
}
/**
 * A static reflector implements enough of the Reflector API that is necessary to compile
 * templates statically.
 */
class StaticReflector {
    constructor(summaryResolver, symbolResolver, knownMetadataClasses = [], knownMetadataFunctions = [], errorRecorder) {
        this.summaryResolver = summaryResolver;
        this.symbolResolver = symbolResolver;
        this.errorRecorder = errorRecorder;
        this.annotationCache = new Map();
        this.shallowAnnotationCache = new Map();
        this.propertyCache = new Map();
        this.parameterCache = new Map();
        this.methodCache = new Map();
        this.staticCache = new Map();
        this.conversionMap = new Map();
        this.resolvedExternalReferences = new Map();
        this.annotationForParentClassWithSummaryKind = new Map();
        this.initializeConversionMap();
        knownMetadataClasses.forEach((kc) => this._registerDecoratorOrConstructor(this.getStaticSymbol(kc.filePath, kc.name), kc.ctor));
        knownMetadataFunctions.forEach((kf) => this._registerFunction(this.getStaticSymbol(kf.filePath, kf.name), kf.fn));
        this.annotationForParentClassWithSummaryKind.set(CompileSummaryKind.Directive, [createDirective, createComponent]);
        this.annotationForParentClassWithSummaryKind.set(CompileSummaryKind.Pipe, [createPipe]);
        this.annotationForParentClassWithSummaryKind.set(CompileSummaryKind.NgModule, [createNgModule]);
        this.annotationForParentClassWithSummaryKind.set(CompileSummaryKind.Injectable, [createInjectable, createPipe, createDirective, createComponent, createNgModule]);
    }
    componentModuleUrl(typeOrFunc) {
        const staticSymbol = this.findSymbolDeclaration(typeOrFunc);
        return this.symbolResolver.getResourcePath(staticSymbol);
    }
    /**
     * Invalidate the specified `symbols` on program change.
     * @param symbols
     */
    invalidateSymbols(symbols) {
        for (const symbol of symbols) {
            this.annotationCache.delete(symbol);
            this.shallowAnnotationCache.delete(symbol);
            this.propertyCache.delete(symbol);
            this.parameterCache.delete(symbol);
            this.methodCache.delete(symbol);
            this.staticCache.delete(symbol);
            this.conversionMap.delete(symbol);
        }
    }
    resolveExternalReference(ref, containingFile) {
        let key = undefined;
        if (!containingFile) {
            key = `${ref.moduleName}:${ref.name}`;
            const declarationSymbol = this.resolvedExternalReferences.get(key);
            if (declarationSymbol)
                return declarationSymbol;
        }
        const refSymbol = this.symbolResolver.getSymbolByModule(ref.moduleName, ref.name, containingFile);
        const declarationSymbol = this.findSymbolDeclaration(refSymbol);
        if (!containingFile) {
            this.symbolResolver.recordModuleNameForFileName(refSymbol.filePath, ref.moduleName);
            this.symbolResolver.recordImportAs(declarationSymbol, refSymbol);
        }
        if (key) {
            this.resolvedExternalReferences.set(key, declarationSymbol);
        }
        return declarationSymbol;
    }
    findDeclaration(moduleUrl, name, containingFile) {
        return this.findSymbolDeclaration(this.symbolResolver.getSymbolByModule(moduleUrl, name, containingFile));
    }
    tryFindDeclaration(moduleUrl, name, containingFile) {
        return this.symbolResolver.ignoreErrorsFor(() => this.findDeclaration(moduleUrl, name, containingFile));
    }
    findSymbolDeclaration(symbol) {
        const resolvedSymbol = this.symbolResolver.resolveSymbol(symbol);
        if (resolvedSymbol) {
            let resolvedMetadata = resolvedSymbol.metadata;
            if (resolvedMetadata && resolvedMetadata.__symbolic === 'resolved') {
                resolvedMetadata = resolvedMetadata.symbol;
            }
            if (resolvedMetadata instanceof StaticSymbol) {
                return this.findSymbolDeclaration(resolvedSymbol.metadata);
            }
        }
        return symbol;
    }
    tryAnnotations(type) {
        const originalRecorder = this.errorRecorder;
        this.errorRecorder = (error, fileName) => { };
        try {
            return this.annotations(type);
        }
        finally {
            this.errorRecorder = originalRecorder;
        }
    }
    annotations(type) {
        return this._annotations(type, (type, decorators) => this.simplify(type, decorators), this.annotationCache);
    }
    shallowAnnotations(type) {
        return this._annotations(type, (type, decorators) => this.simplify(type, decorators, true), this.shallowAnnotationCache);
    }
    _annotations(type, simplify, annotationCache) {
        let annotations = annotationCache.get(type);
        if (!annotations) {
            annotations = [];
            const classMetadata = this.getTypeMetadata(type);
            const parentType = this.findParentType(type, classMetadata);
            if (parentType) {
                const parentAnnotations = this.annotations(parentType);
                annotations.push(...parentAnnotations);
            }
            let ownAnnotations = [];
            if (classMetadata['decorators']) {
                ownAnnotations = simplify(type, classMetadata['decorators']);
                if (ownAnnotations) {
                    annotations.push(...ownAnnotations);
                }
            }
            if (parentType && !this.summaryResolver.isLibraryFile(type.filePath) &&
                this.summaryResolver.isLibraryFile(parentType.filePath)) {
                const summary = this.summaryResolver.resolveSummary(parentType);
                if (summary && summary.type) {
                    const requiredAnnotationTypes = this.annotationForParentClassWithSummaryKind.get(summary.type.summaryKind);
                    const typeHasRequiredAnnotation = requiredAnnotationTypes.some((requiredType) => ownAnnotations.some(ann => requiredType.isTypeOf(ann)));
                    if (!typeHasRequiredAnnotation) {
                        this.reportError(formatMetadataError(metadataError(`Class ${type.name} in ${type.filePath} extends from a ${CompileSummaryKind[summary.type.summaryKind]} in another compilation unit without duplicating the decorator`, 
                        /* summary */ undefined, `Please add a ${requiredAnnotationTypes.map((type) => type.ngMetadataName)
                            .join(' or ')} decorator to the class`), type), type);
                    }
                }
            }
            annotationCache.set(type, annotations.filter(ann => !!ann));
        }
        return annotations;
    }
    propMetadata(type) {
        let propMetadata = this.propertyCache.get(type);
        if (!propMetadata) {
            const classMetadata = this.getTypeMetadata(type);
            propMetadata = {};
            const parentType = this.findParentType(type, classMetadata);
            if (parentType) {
                const parentPropMetadata = this.propMetadata(parentType);
                Object.keys(parentPropMetadata).forEach((parentProp) => {
                    propMetadata[parentProp] = parentPropMetadata[parentProp];
                });
            }
            const members = classMetadata['members'] || {};
            Object.keys(members).forEach((propName) => {
                const propData = members[propName];
                const prop = propData
                    .find(a => a['__symbolic'] == 'property' || a['__symbolic'] == 'method');
                const decorators = [];
                // hasOwnProperty() is used here to make sure we do not look up methods
                // on `Object.prototype`.
                if (propMetadata === null || propMetadata === void 0 ? void 0 : propMetadata.hasOwnProperty(propName)) {
                    decorators.push(...propMetadata[propName]);
                }
                propMetadata[propName] = decorators;
                if (prop && prop['decorators']) {
                    decorators.push(...this.simplify(type, prop['decorators']));
                }
            });
            this.propertyCache.set(type, propMetadata);
        }
        return propMetadata;
    }
    parameters(type) {
        if (!(type instanceof StaticSymbol)) {
            this.reportError(new Error(`parameters received ${JSON.stringify(type)} which is not a StaticSymbol`), type);
            return [];
        }
        try {
            let parameters = this.parameterCache.get(type);
            if (!parameters) {
                const classMetadata = this.getTypeMetadata(type);
                const parentType = this.findParentType(type, classMetadata);
                const members = classMetadata ? classMetadata['members'] : null;
                const ctorData = members ? members['__ctor__'] : null;
                if (ctorData) {
                    const ctor = ctorData.find(a => a['__symbolic'] == 'constructor');
                    const rawParameterTypes = ctor['parameters'] || [];
                    const parameterDecorators = this.simplify(type, ctor['parameterDecorators'] || []);
                    parameters = [];
                    rawParameterTypes.forEach((rawParamType, index) => {
                        const nestedResult = [];
                        const paramType = this.trySimplify(type, rawParamType);
                        if (paramType)
                            nestedResult.push(paramType);
                        const decorators = parameterDecorators ? parameterDecorators[index] : null;
                        if (decorators) {
                            nestedResult.push(...decorators);
                        }
                        parameters.push(nestedResult);
                    });
                }
                else if (parentType) {
                    parameters = this.parameters(parentType);
                }
                if (!parameters) {
                    parameters = [];
                }
                this.parameterCache.set(type, parameters);
            }
            return parameters;
        }
        catch (e) {
            console.error(`Failed on type ${JSON.stringify(type)} with error ${e}`);
            throw e;
        }
    }
    _methodNames(type) {
        let methodNames = this.methodCache.get(type);
        if (!methodNames) {
            const classMetadata = this.getTypeMetadata(type);
            methodNames = {};
            const parentType = this.findParentType(type, classMetadata);
            if (parentType) {
                const parentMethodNames = this._methodNames(parentType);
                Object.keys(parentMethodNames).forEach((parentProp) => {
                    methodNames[parentProp] = parentMethodNames[parentProp];
                });
            }
            const members = classMetadata['members'] || {};
            Object.keys(members).forEach((propName) => {
                const propData = members[propName];
                const isMethod = propData.some(a => a['__symbolic'] == 'method');
                methodNames[propName] = methodNames[propName] || isMethod;
            });
            this.methodCache.set(type, methodNames);
        }
        return methodNames;
    }
    _staticMembers(type) {
        let staticMembers = this.staticCache.get(type);
        if (!staticMembers) {
            const classMetadata = this.getTypeMetadata(type);
            const staticMemberData = classMetadata['statics'] || {};
            staticMembers = Object.keys(staticMemberData);
            this.staticCache.set(type, staticMembers);
        }
        return staticMembers;
    }
    findParentType(type, classMetadata) {
        const parentType = this.trySimplify(type, classMetadata['extends']);
        if (parentType instanceof StaticSymbol) {
            return parentType;
        }
    }
    hasLifecycleHook(type, lcProperty) {
        if (!(type instanceof StaticSymbol)) {
            this.reportError(new Error(`hasLifecycleHook received ${JSON.stringify(type)} which is not a StaticSymbol`), type);
        }
        try {
            return !!this._methodNames(type)[lcProperty];
        }
        catch (e) {
            console.error(`Failed on type ${JSON.stringify(type)} with error ${e}`);
            throw e;
        }
    }
    guards(type) {
        if (!(type instanceof StaticSymbol)) {
            this.reportError(new Error(`guards received ${JSON.stringify(type)} which is not a StaticSymbol`), type);
            return {};
        }
        const staticMembers = this._staticMembers(type);
        const result = {};
        for (let name of staticMembers) {
            if (name.endsWith(TYPEGUARD_POSTFIX)) {
                let property = name.substr(0, name.length - TYPEGUARD_POSTFIX.length);
                let value;
                if (property.endsWith(USE_IF)) {
                    property = name.substr(0, property.length - USE_IF.length);
                    value = USE_IF;
                }
                else {
                    value = this.getStaticSymbol(type.filePath, type.name, [name]);
                }
                result[property] = value;
            }
        }
        return result;
    }
    _registerDecoratorOrConstructor(type, ctor) {
        this.conversionMap.set(type, (context, args) => new ctor(...args));
    }
    _registerFunction(type, fn) {
        this.conversionMap.set(type, (context, args) => fn.apply(undefined, args));
    }
    initializeConversionMap() {
        this._registerDecoratorOrConstructor(this.findDeclaration(ANGULAR_CORE, 'Injectable'), createInjectable);
        this.injectionToken = this.findDeclaration(ANGULAR_CORE, 'InjectionToken');
        this.opaqueToken = this.findDeclaration(ANGULAR_CORE, 'OpaqueToken');
        this.ROUTES = this.tryFindDeclaration(ANGULAR_ROUTER, 'ROUTES');
        this.ANALYZE_FOR_ENTRY_COMPONENTS =
            this.findDeclaration(ANGULAR_CORE, 'ANALYZE_FOR_ENTRY_COMPONENTS');
        this._registerDecoratorOrConstructor(this.findDeclaration(ANGULAR_CORE, 'Host'), createHost);
        this._registerDecoratorOrConstructor(this.findDeclaration(ANGULAR_CORE, 'Self'), createSelf);
        this._registerDecoratorOrConstructor(this.findDeclaration(ANGULAR_CORE, 'SkipSelf'), createSkipSelf);
        this._registerDecoratorOrConstructor(this.findDeclaration(ANGULAR_CORE, 'Inject'), createInject);
        this._registerDecoratorOrConstructor(this.findDeclaration(ANGULAR_CORE, 'Optional'), createOptional);
        this._registerDecoratorOrConstructor(this.findDeclaration(ANGULAR_CORE, 'Attribute'), createAttribute);
        this._registerDecoratorOrConstructor(this.findDeclaration(ANGULAR_CORE, 'ContentChild'), createContentChild);
        this._registerDecoratorOrConstructor(this.findDeclaration(ANGULAR_CORE, 'ContentChildren'), createContentChildren);
        this._registerDecoratorOrConstructor(this.findDeclaration(ANGULAR_CORE, 'ViewChild'), createViewChild);
        this._registerDecoratorOrConstructor(this.findDeclaration(ANGULAR_CORE, 'ViewChildren'), createViewChildren);
        this._registerDecoratorOrConstructor(this.findDeclaration(ANGULAR_CORE, 'Input'), createInput);
        this._registerDecoratorOrConstructor(this.findDeclaration(ANGULAR_CORE, 'Output'), createOutput);
        this._registerDecoratorOrConstructor(this.findDeclaration(ANGULAR_CORE, 'Pipe'), createPipe);
        this._registerDecoratorOrConstructor(this.findDeclaration(ANGULAR_CORE, 'HostBinding'), createHostBinding);
        this._registerDecoratorOrConstructor(this.findDeclaration(ANGULAR_CORE, 'HostListener'), createHostListener);
        this._registerDecoratorOrConstructor(this.findDeclaration(ANGULAR_CORE, 'Directive'), createDirective);
        this._registerDecoratorOrConstructor(this.findDeclaration(ANGULAR_CORE, 'Component'), createComponent);
        this._registerDecoratorOrConstructor(this.findDeclaration(ANGULAR_CORE, 'NgModule'), createNgModule);
        // Note: Some metadata classes can be used directly with Provider.deps.
        this._registerDecoratorOrConstructor(this.findDeclaration(ANGULAR_CORE, 'Host'), createHost);
        this._registerDecoratorOrConstructor(this.findDeclaration(ANGULAR_CORE, 'Self'), createSelf);
        this._registerDecoratorOrConstructor(this.findDeclaration(ANGULAR_CORE, 'SkipSelf'), createSkipSelf);
        this._registerDecoratorOrConstructor(this.findDeclaration(ANGULAR_CORE, 'Optional'), createOptional);
    }
    /**
     * getStaticSymbol produces a Type whose metadata is known but whose implementation is not loaded.
     * All types passed to the StaticResolver should be pseudo-types returned by this method.
     *
     * @param declarationFile the absolute path of the file where the symbol is declared
     * @param name the name of the type.
     */
    getStaticSymbol(declarationFile, name, members) {
        return this.symbolResolver.getStaticSymbol(declarationFile, name, members);
    }
    /**
     * Simplify but discard any errors
     */
    trySimplify(context, value) {
        const originalRecorder = this.errorRecorder;
        this.errorRecorder = (error, fileName) => { };
        const result = this.simplify(context, value);
        this.errorRecorder = originalRecorder;
        return result;
    }
    /** @internal */
    simplify(context, value, lazy = false) {
        const self = this;
        let scope = BindingScope$1.empty;
        const calling = new Map();
        const rootContext = context;
        function simplifyInContext(context, value, depth, references) {
            function resolveReferenceValue(staticSymbol) {
                const resolvedSymbol = self.symbolResolver.resolveSymbol(staticSymbol);
                return resolvedSymbol ? resolvedSymbol.metadata : null;
            }
            function simplifyEagerly(value) {
                return simplifyInContext(context, value, depth, 0);
            }
            function simplifyLazily(value) {
                return simplifyInContext(context, value, depth, references + 1);
            }
            function simplifyNested(nestedContext, value) {
                if (nestedContext === context) {
                    // If the context hasn't changed let the exception propagate unmodified.
                    return simplifyInContext(nestedContext, value, depth + 1, references);
                }
                try {
                    return simplifyInContext(nestedContext, value, depth + 1, references);
                }
                catch (e) {
                    if (isMetadataError(e)) {
                        // Propagate the message text up but add a message to the chain that explains how we got
                        // here.
                        // e.chain implies e.symbol
                        const summaryMsg = e.chain ? 'references \'' + e.symbol.name + '\'' : errorSummary(e);
                        const summary = `'${nestedContext.name}' ${summaryMsg}`;
                        const chain = { message: summary, position: e.position, next: e.chain };
                        // TODO(chuckj): retrieve the position information indirectly from the collectors node
                        // map if the metadata is from a .ts file.
                        self.error({
                            message: e.message,
                            advise: e.advise,
                            context: e.context,
                            chain,
                            symbol: nestedContext
                        }, context);
                    }
                    else {
                        // It is probably an internal error.
                        throw e;
                    }
                }
            }
            function simplifyCall(functionSymbol, targetFunction, args, targetExpression) {
                if (targetFunction && targetFunction['__symbolic'] == 'function') {
                    if (calling.get(functionSymbol)) {
                        self.error({
                            message: 'Recursion is not supported',
                            summary: `called '${functionSymbol.name}' recursively`,
                            value: targetFunction
                        }, functionSymbol);
                    }
                    try {
                        const value = targetFunction['value'];
                        if (value && (depth != 0 || value.__symbolic != 'error')) {
                            const parameters = targetFunction['parameters'];
                            const defaults = targetFunction.defaults;
                            args = args.map(arg => simplifyNested(context, arg))
                                .map(arg => shouldIgnore(arg) ? undefined : arg);
                            if (defaults && defaults.length > args.length) {
                                args.push(...defaults.slice(args.length).map((value) => simplify(value)));
                            }
                            calling.set(functionSymbol, true);
                            const functionScope = BindingScope$1.build();
                            for (let i = 0; i < parameters.length; i++) {
                                functionScope.define(parameters[i], args[i]);
                            }
                            const oldScope = scope;
                            let result;
                            try {
                                scope = functionScope.done();
                                result = simplifyNested(functionSymbol, value);
                            }
                            finally {
                                scope = oldScope;
                            }
                            return result;
                        }
                    }
                    finally {
                        calling.delete(functionSymbol);
                    }
                }
                if (depth === 0) {
                    // If depth is 0 we are evaluating the top level expression that is describing element
                    // decorator. In this case, it is a decorator we don't understand, such as a custom
                    // non-angular decorator, and we should just ignore it.
                    return IGNORE;
                }
                let position = undefined;
                if (targetExpression && targetExpression.__symbolic == 'resolved') {
                    const line = targetExpression.line;
                    const character = targetExpression.character;
                    const fileName = targetExpression.fileName;
                    if (fileName != null && line != null && character != null) {
                        position = { fileName, line, column: character };
                    }
                }
                self.error({
                    message: FUNCTION_CALL_NOT_SUPPORTED,
                    context: functionSymbol,
                    value: targetFunction,
                    position
                }, context);
            }
            function simplify(expression) {
                if (isPrimitive(expression)) {
                    return expression;
                }
                if (Array.isArray(expression)) {
                    const result = [];
                    for (const item of expression) {
                        // Check for a spread expression
                        if (item && item.__symbolic === 'spread') {
                            // We call with references as 0 because we require the actual value and cannot
                            // tolerate a reference here.
                            const spreadArray = simplifyEagerly(item.expression);
                            if (Array.isArray(spreadArray)) {
                                for (const spreadItem of spreadArray) {
                                    result.push(spreadItem);
                                }
                                continue;
                            }
                        }
                        const value = simplify(item);
                        if (shouldIgnore(value)) {
                            continue;
                        }
                        result.push(value);
                    }
                    return result;
                }
                if (expression instanceof StaticSymbol) {
                    // Stop simplification at builtin symbols or if we are in a reference context and
                    // the symbol doesn't have members.
                    if (expression === self.injectionToken || self.conversionMap.has(expression) ||
                        (references > 0 && !expression.members.length)) {
                        return expression;
                    }
                    else {
                        const staticSymbol = expression;
                        const declarationValue = resolveReferenceValue(staticSymbol);
                        if (declarationValue != null) {
                            return simplifyNested(staticSymbol, declarationValue);
                        }
                        else {
                            return staticSymbol;
                        }
                    }
                }
                if (expression) {
                    if (expression['__symbolic']) {
                        let staticSymbol;
                        switch (expression['__symbolic']) {
                            case 'binop':
                                let left = simplify(expression['left']);
                                if (shouldIgnore(left))
                                    return left;
                                let right = simplify(expression['right']);
                                if (shouldIgnore(right))
                                    return right;
                                switch (expression['operator']) {
                                    case '&&':
                                        return left && right;
                                    case '||':
                                        return left || right;
                                    case '|':
                                        return left | right;
                                    case '^':
                                        return left ^ right;
                                    case '&':
                                        return left & right;
                                    case '==':
                                        return left == right;
                                    case '!=':
                                        return left != right;
                                    case '===':
                                        return left === right;
                                    case '!==':
                                        return left !== right;
                                    case '<':
                                        return left < right;
                                    case '>':
                                        return left > right;
                                    case '<=':
                                        return left <= right;
                                    case '>=':
                                        return left >= right;
                                    case '<<':
                                        return left << right;
                                    case '>>':
                                        return left >> right;
                                    case '+':
                                        return left + right;
                                    case '-':
                                        return left - right;
                                    case '*':
                                        return left * right;
                                    case '/':
                                        return left / right;
                                    case '%':
                                        return left % right;
                                    case '??':
                                        return left !== null && left !== void 0 ? left : right;
                                }
                                return null;
                            case 'if':
                                let condition = simplify(expression['condition']);
                                return condition ? simplify(expression['thenExpression']) :
                                    simplify(expression['elseExpression']);
                            case 'pre':
                                let operand = simplify(expression['operand']);
                                if (shouldIgnore(operand))
                                    return operand;
                                switch (expression['operator']) {
                                    case '+':
                                        return operand;
                                    case '-':
                                        return -operand;
                                    case '!':
                                        return !operand;
                                    case '~':
                                        return ~operand;
                                }
                                return null;
                            case 'index':
                                let indexTarget = simplifyEagerly(expression['expression']);
                                let index = simplifyEagerly(expression['index']);
                                if (indexTarget && isPrimitive(index))
                                    return indexTarget[index];
                                return null;
                            case 'select':
                                const member = expression['member'];
                                let selectContext = context;
                                let selectTarget = simplify(expression['expression']);
                                if (selectTarget instanceof StaticSymbol) {
                                    const members = selectTarget.members.concat(member);
                                    selectContext =
                                        self.getStaticSymbol(selectTarget.filePath, selectTarget.name, members);
                                    const declarationValue = resolveReferenceValue(selectContext);
                                    if (declarationValue != null) {
                                        return simplifyNested(selectContext, declarationValue);
                                    }
                                    else {
                                        return selectContext;
                                    }
                                }
                                if (selectTarget && isPrimitive(member))
                                    return simplifyNested(selectContext, selectTarget[member]);
                                return null;
                            case 'reference':
                                // Note: This only has to deal with variable references, as symbol references have
                                // been converted into 'resolved'
                                // in the StaticSymbolResolver.
                                const name = expression['name'];
                                const localValue = scope.resolve(name);
                                if (localValue != BindingScope$1.missing) {
                                    return localValue;
                                }
                                break;
                            case 'resolved':
                                try {
                                    return simplify(expression.symbol);
                                }
                                catch (e) {
                                    // If an error is reported evaluating the symbol record the position of the
                                    // reference in the error so it can
                                    // be reported in the error message generated from the exception.
                                    if (isMetadataError(e) && expression.fileName != null &&
                                        expression.line != null && expression.character != null) {
                                        e.position = {
                                            fileName: expression.fileName,
                                            line: expression.line,
                                            column: expression.character
                                        };
                                    }
                                    throw e;
                                }
                            case 'class':
                                return context;
                            case 'function':
                                return context;
                            case 'new':
                            case 'call':
                                // Determine if the function is a built-in conversion
                                staticSymbol = simplifyInContext(context, expression['expression'], depth + 1, /* references */ 0);
                                if (staticSymbol instanceof StaticSymbol) {
                                    if (staticSymbol === self.injectionToken || staticSymbol === self.opaqueToken) {
                                        // if somebody calls new InjectionToken, don't create an InjectionToken,
                                        // but rather return the symbol to which the InjectionToken is assigned to.
                                        // OpaqueToken is supported too as it is required by the language service to
                                        // support v4 and prior versions of Angular.
                                        return context;
                                    }
                                    const argExpressions = expression['arguments'] || [];
                                    let converter = self.conversionMap.get(staticSymbol);
                                    if (converter) {
                                        const args = argExpressions.map(arg => simplifyNested(context, arg))
                                            .map(arg => shouldIgnore(arg) ? undefined : arg);
                                        return converter(context, args);
                                    }
                                    else {
                                        // Determine if the function is one we can simplify.
                                        const targetFunction = resolveReferenceValue(staticSymbol);
                                        return simplifyCall(staticSymbol, targetFunction, argExpressions, expression['expression']);
                                    }
                                }
                                return IGNORE;
                            case 'error':
                                let message = expression.message;
                                if (expression['line'] != null) {
                                    self.error({
                                        message,
                                        context: expression.context,
                                        value: expression,
                                        position: {
                                            fileName: expression['fileName'],
                                            line: expression['line'],
                                            column: expression['character']
                                        }
                                    }, context);
                                }
                                else {
                                    self.error({ message, context: expression.context }, context);
                                }
                                return IGNORE;
                            case 'ignore':
                                return expression;
                        }
                        return null;
                    }
                    return mapStringMap(expression, (value, name) => {
                        if (REFERENCE_SET.has(name)) {
                            if (name === USE_VALUE$1 && PROVIDE in expression) {
                                // If this is a provider expression, check for special tokens that need the value
                                // during analysis.
                                const provide = simplify(expression.provide);
                                if (provide === self.ROUTES || provide == self.ANALYZE_FOR_ENTRY_COMPONENTS) {
                                    return simplify(value);
                                }
                            }
                            return simplifyLazily(value);
                        }
                        return simplify(value);
                    });
                }
                return IGNORE;
            }
            return simplify(value);
        }
        let result;
        try {
            result = simplifyInContext(context, value, 0, lazy ? 1 : 0);
        }
        catch (e) {
            if (this.errorRecorder) {
                this.reportError(e, context);
            }
            else {
                throw formatMetadataError(e, context);
            }
        }
        if (shouldIgnore(result)) {
            return undefined;
        }
        return result;
    }
    getTypeMetadata(type) {
        const resolvedSymbol = this.symbolResolver.resolveSymbol(type);
        return resolvedSymbol && resolvedSymbol.metadata ? resolvedSymbol.metadata :
            { __symbolic: 'class' };
    }
    reportError(error, context, path) {
        if (this.errorRecorder) {
            this.errorRecorder(formatMetadataError(error, context), (context && context.filePath) || path);
        }
        else {
            throw error;
        }
    }
    error({ message, summary, advise, position, context, value, symbol, chain }, reportingContext) {
        this.reportError(metadataError(message, summary, advise, position, symbol, context, chain), reportingContext);
    }
}
const METADATA_ERROR = 'ngMetadataError';
function metadataError(message, summary, advise, position, symbol, context, chain) {
    const error = syntaxError(message);
    error[METADATA_ERROR] = true;
    if (advise)
        error.advise = advise;
    if (position)
        error.position = position;
    if (summary)
        error.summary = summary;
    if (context)
        error.context = context;
    if (chain)
        error.chain = chain;
    if (symbol)
        error.symbol = symbol;
    return error;
}
function isMetadataError(error) {
    return !!error[METADATA_ERROR];
}
const REFERENCE_TO_NONEXPORTED_CLASS = 'Reference to non-exported class';
const VARIABLE_NOT_INITIALIZED = 'Variable not initialized';
const DESTRUCTURE_NOT_SUPPORTED = 'Destructuring not supported';
const COULD_NOT_RESOLVE_TYPE = 'Could not resolve type';
const FUNCTION_CALL_NOT_SUPPORTED = 'Function call not supported';
const REFERENCE_TO_LOCAL_SYMBOL = 'Reference to a local symbol';
const LAMBDA_NOT_SUPPORTED = 'Lambda not supported';
function expandedMessage(message, context) {
    switch (message) {
        case REFERENCE_TO_NONEXPORTED_CLASS:
            if (context && context.className) {
                return `References to a non-exported class are not supported in decorators but ${context.className} was referenced.`;
            }
            break;
        case VARIABLE_NOT_INITIALIZED:
            return 'Only initialized variables and constants can be referenced in decorators because the value of this variable is needed by the template compiler';
        case DESTRUCTURE_NOT_SUPPORTED:
            return 'Referencing an exported destructured variable or constant is not supported in decorators and this value is needed by the template compiler';
        case COULD_NOT_RESOLVE_TYPE:
            if (context && context.typeName) {
                return `Could not resolve type ${context.typeName}`;
            }
            break;
        case FUNCTION_CALL_NOT_SUPPORTED:
            if (context && context.name) {
                return `Function calls are not supported in decorators but '${context.name}' was called`;
            }
            return 'Function calls are not supported in decorators';
        case REFERENCE_TO_LOCAL_SYMBOL:
            if (context && context.name) {
                return `Reference to a local (non-exported) symbols are not supported in decorators but '${context.name}' was referenced`;
            }
            break;
        case LAMBDA_NOT_SUPPORTED:
            return `Function expressions are not supported in decorators`;
    }
    return message;
}
function messageAdvise(message, context) {
    switch (message) {
        case REFERENCE_TO_NONEXPORTED_CLASS:
            if (context && context.className) {
                return `Consider exporting '${context.className}'`;
            }
            break;
        case DESTRUCTURE_NOT_SUPPORTED:
            return 'Consider simplifying to avoid destructuring';
        case REFERENCE_TO_LOCAL_SYMBOL:
            if (context && context.name) {
                return `Consider exporting '${context.name}'`;
            }
            break;
        case LAMBDA_NOT_SUPPORTED:
            return `Consider changing the function expression into an exported function`;
    }
    return undefined;
}
function errorSummary(error) {
    if (error.summary) {
        return error.summary;
    }
    switch (error.message) {
        case REFERENCE_TO_NONEXPORTED_CLASS:
            if (error.context && error.context.className) {
                return `references non-exported class ${error.context.className}`;
            }
            break;
        case VARIABLE_NOT_INITIALIZED:
            return 'is not initialized';
        case DESTRUCTURE_NOT_SUPPORTED:
            return 'is a destructured variable';
        case COULD_NOT_RESOLVE_TYPE:
            return 'could not be resolved';
        case FUNCTION_CALL_NOT_SUPPORTED:
            if (error.context && error.context.name) {
                return `calls '${error.context.name}'`;
            }
            return `calls a function`;
        case REFERENCE_TO_LOCAL_SYMBOL:
            if (error.context && error.context.name) {
                return `references local variable ${error.context.name}`;
            }
            return `references a local variable`;
    }
    return 'contains the error';
}
function mapStringMap(input, transform) {
    if (!input)
        return {};
    const result = {};
    Object.keys(input).forEach((key) => {
        const value = transform(input[key], key);
        if (!shouldIgnore(value)) {
            if (HIDDEN_KEY.test(key)) {
                Object.defineProperty(result, key, { enumerable: false, configurable: true, value: value });
            }
            else {
                result[key] = value;
            }
        }
    });
    return result;
}
function isPrimitive(o) {
    return o === null || (typeof o !== 'function' && typeof o !== 'object');
}
class BindingScope$1 {
    static build() {
        const current = new Map();
        return {
            define: function (name, value) {
                current.set(name, value);
                return this;
            },
            done: function () {
                return current.size > 0 ? new PopulatedScope(current) : BindingScope$1.empty;
            }
        };
    }
}
BindingScope$1.missing = {};
BindingScope$1.empty = { resolve: name => BindingScope$1.missing };
class PopulatedScope extends BindingScope$1 {
    constructor(bindings) {
        super();
        this.bindings = bindings;
    }
    resolve(name) {
        return this.bindings.has(name) ? this.bindings.get(name) : BindingScope$1.missing;
    }
}
function formatMetadataMessageChain(chain, advise) {
    const expanded = expandedMessage(chain.message, chain.context);
    const nesting = chain.symbol ? ` in '${chain.symbol.name}'` : '';
    const message = `${expanded}${nesting}`;
    const position = chain.position;
    const next = chain.next ?
        formatMetadataMessageChain(chain.next, advise) :
        advise ? { message: advise } : undefined;
    return { message, position, next: next ? [next] : undefined };
}
function formatMetadataError(e, context) {
    if (isMetadataError(e)) {
        // Produce a formatted version of the and leaving enough information in the original error
        // to recover the formatting information to eventually produce a diagnostic error message.
        const position = e.position;
        const chain = {
            message: `Error during template compile of '${context.name}'`,
            position: position,
            next: { message: e.message, next: e.chain, context: e.context, symbol: e.symbol }
        };
        const advise = e.advise || messageAdvise(e.message, e.context);
        return formattedError(formatMetadataMessageChain(chain, advise));
    }
    return e;
}

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
class AotSummaryResolver {
    constructor(host, staticSymbolCache) {
        this.host = host;
        this.staticSymbolCache = staticSymbolCache;
        // Note: this will only contain StaticSymbols without members!
        this.summaryCache = new Map();
        this.loadedFilePaths = new Map();
        // Note: this will only contain StaticSymbols without members!
        this.importAs = new Map();
        this.knownFileNameToModuleNames = new Map();
    }
    isLibraryFile(filePath) {
        // Note: We need to strip the .ngfactory. file path,
        // so this method also works for generated files
        // (for which host.isSourceFile will always return false).
        return !this.host.isSourceFile(stripGeneratedFileSuffix(filePath));
    }
    toSummaryFileName(filePath, referringSrcFileName) {
        return this.host.toSummaryFileName(filePath, referringSrcFileName);
    }
    fromSummaryFileName(fileName, referringLibFileName) {
        return this.host.fromSummaryFileName(fileName, referringLibFileName);
    }
    resolveSummary(staticSymbol) {
        const rootSymbol = staticSymbol.members.length ?
            this.staticSymbolCache.get(staticSymbol.filePath, staticSymbol.name) :
            staticSymbol;
        let summary = this.summaryCache.get(rootSymbol);
        if (!summary) {
            this._loadSummaryFile(staticSymbol.filePath);
            summary = this.summaryCache.get(staticSymbol);
        }
        return (rootSymbol === staticSymbol && summary) || null;
    }
    getSymbolsOf(filePath) {
        if (this._loadSummaryFile(filePath)) {
            return Array.from(this.summaryCache.keys()).filter((symbol) => symbol.filePath === filePath);
        }
        return null;
    }
    getImportAs(staticSymbol) {
        staticSymbol.assertNoMembers();
        return this.importAs.get(staticSymbol);
    }
    /**
     * Converts a file path to a module name that can be used as an `import`.
     */
    getKnownModuleName(importedFilePath) {
        return this.knownFileNameToModuleNames.get(importedFilePath) || null;
    }
    addSummary(summary) {
        this.summaryCache.set(summary.symbol, summary);
    }
    _loadSummaryFile(filePath) {
        let hasSummary = this.loadedFilePaths.get(filePath);
        if (hasSummary != null) {
            return hasSummary;
        }
        let json = null;
        if (this.isLibraryFile(filePath)) {
            const summaryFilePath = summaryFileName(filePath);
            try {
                json = this.host.loadSummary(summaryFilePath);
            }
            catch (e) {
                console.error(`Error loading summary file ${summaryFilePath}`);
                throw e;
            }
        }
        hasSummary = json != null;
        this.loadedFilePaths.set(filePath, hasSummary);
        if (json) {
            const { moduleName, summaries, importAs } = deserializeSummaries(this.staticSymbolCache, this, filePath, json);
            summaries.forEach((summary) => this.summaryCache.set(summary.symbol, summary));
            if (moduleName) {
                this.knownFileNameToModuleNames.set(filePath, moduleName);
            }
            importAs.forEach((importAs) => {
                this.importAs.set(importAs.symbol, importAs.importAs);
            });
        }
        return hasSummary;
    }
}

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
function createAotUrlResolver(host) {
    return {
        resolve: (basePath, url) => {
            const filePath = host.resourceNameToFileName(url, basePath);
            if (!filePath) {
                throw syntaxError(`Couldn't resolve resource ${url} from ${basePath}`);
            }
            return filePath;
        }
    };
}
/**
 * Creates a new AotCompiler based on options and a host.
 */
function createAotCompiler(compilerHost, options, errorCollector) {
    let translations = options.translations || '';
    const urlResolver = createAotUrlResolver(compilerHost);
    const symbolCache = new StaticSymbolCache();
    const summaryResolver = new AotSummaryResolver(compilerHost, symbolCache);
    const symbolResolver = new StaticSymbolResolver(compilerHost, symbolCache, summaryResolver);
    const staticReflector = new StaticReflector(summaryResolver, symbolResolver, [], [], errorCollector);
    let htmlParser;
    if (!!options.enableIvy) {
        // Ivy handles i18n at the compiler level so we must use a regular parser
        htmlParser = new HtmlParser();
    }
    else {
        htmlParser = new I18NHtmlParser(new HtmlParser(), translations, options.i18nFormat, options.missingTranslation, console);
    }
    const config = new CompilerConfig({
        defaultEncapsulation: ViewEncapsulation.Emulated,
        useJit: false,
        missingTranslation: options.missingTranslation,
        preserveWhitespaces: options.preserveWhitespaces,
        strictInjectionParameters: options.strictInjectionParameters,
    });
    const normalizer = new DirectiveNormalizer({ get: (url) => compilerHost.loadResource(url) }, urlResolver, htmlParser, config);
    const expressionParser = new Parser$1(new Lexer());
    const elementSchemaRegistry = new DomElementSchemaRegistry();
    const tmplParser = new TemplateParser(config, staticReflector, expressionParser, elementSchemaRegistry, htmlParser, console, []);
    const resolver = new CompileMetadataResolver(config, htmlParser, new NgModuleResolver(staticReflector), new DirectiveResolver(staticReflector), new PipeResolver(staticReflector), summaryResolver, elementSchemaRegistry, normalizer, console, symbolCache, staticReflector, errorCollector);
    // TODO(vicb): do not pass options.i18nFormat here
    const viewCompiler = new ViewCompiler(staticReflector);
    const typeCheckCompiler = new TypeCheckCompiler(options, staticReflector);
    const compiler = new AotCompiler(config, options, compilerHost, staticReflector, resolver, tmplParser, new StyleCompiler(urlResolver), viewCompiler, typeCheckCompiler, new NgModuleCompiler(staticReflector), new InjectableCompiler(staticReflector, !!options.enableIvy), new TypeScriptEmitter(), summaryResolver, symbolResolver);
    return { compiler, reflector: staticReflector };
}

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */

class SummaryResolver {
}
class JitSummaryResolver {
    constructor() {
        this._summaries = new Map();
    }
    isLibraryFile() {
        return false;
    }
    toSummaryFileName(fileName) {
        return fileName;
    }
    fromSummaryFileName(fileName) {
        return fileName;
    }
    resolveSummary(reference) {
        return this._summaries.get(reference) || null;
    }
    getSymbolsOf() {
        return [];
    }
    getImportAs(reference) {
        return reference;
    }
    getKnownModuleName(fileName) {
        return null;
    }
    addSummary(summary) {
        this._summaries.set(summary.symbol, summary);
    }
}

function interpretStatements(statements, reflector) {
    const ctx = new _ExecutionContext(null, null, null, new Map());
    const visitor = new StatementInterpreter(reflector);
    visitor.visitAllStatements(statements, ctx);
    const result = {};
    ctx.exports.forEach((exportName) => {
        result[exportName] = ctx.vars.get(exportName);
    });
    return result;
}
function _executeFunctionStatements(varNames, varValues, statements, ctx, visitor) {
    const childCtx = ctx.createChildWihtLocalVars();
    for (let i = 0; i < varNames.length; i++) {
        childCtx.vars.set(varNames[i], varValues[i]);
    }
    const result = visitor.visitAllStatements(statements, childCtx);
    return result ? result.value : null;
}
class _ExecutionContext {
    constructor(parent, instance, className, vars) {
        this.parent = parent;
        this.instance = instance;
        this.className = className;
        this.vars = vars;
        this.exports = [];
    }
    createChildWihtLocalVars() {
        return new _ExecutionContext(this, this.instance, this.className, new Map());
    }
}
class ReturnValue {
    constructor(value) {
        this.value = value;
    }
}
function createDynamicClass(_classStmt, _ctx, _visitor) {
    const propertyDescriptors = {};
    _classStmt.getters.forEach((getter) => {
        // Note: use `function` instead of arrow function to capture `this`
        propertyDescriptors[getter.name] = {
            configurable: false,
            get: function () {
                const instanceCtx = new _ExecutionContext(_ctx, this, _classStmt.name, _ctx.vars);
                return _executeFunctionStatements([], [], getter.body, instanceCtx, _visitor);
            }
        };
    });
    _classStmt.methods.forEach(function (method) {
        const paramNames = method.params.map(param => param.name);
        // Note: use `function` instead of arrow function to capture `this`
        propertyDescriptors[method.name] = {
            writable: false,
            configurable: false,
            value: function (...args) {
                const instanceCtx = new _ExecutionContext(_ctx, this, _classStmt.name, _ctx.vars);
                return _executeFunctionStatements(paramNames, args, method.body, instanceCtx, _visitor);
            }
        };
    });
    const ctorParamNames = _classStmt.constructorMethod.params.map(param => param.name);
    // Note: use `function` instead of arrow function to capture `this`
    const ctor = function (...args) {
        const instanceCtx = new _ExecutionContext(_ctx, this, _classStmt.name, _ctx.vars);
        _classStmt.fields.forEach((field) => {
            this[field.name] = undefined;
        });
        _executeFunctionStatements(ctorParamNames, args, _classStmt.constructorMethod.body, instanceCtx, _visitor);
    };
    const superClass = _classStmt.parent ? _classStmt.parent.visitExpression(_visitor, _ctx) : Object;
    ctor.prototype = Object.create(superClass.prototype, propertyDescriptors);
    return ctor;
}
class StatementInterpreter {
    constructor(reflector) {
        this.reflector = reflector;
    }
    debugAst(ast) {
        return debugOutputAstAsTypeScript(ast);
    }
    visitDeclareVarStmt(stmt, ctx) {
        const initialValue = stmt.value ? stmt.value.visitExpression(this, ctx) : undefined;
        ctx.vars.set(stmt.name, initialValue);
        if (stmt.hasModifier(StmtModifier.Exported)) {
            ctx.exports.push(stmt.name);
        }
        return null;
    }
    visitWriteVarExpr(expr, ctx) {
        const value = expr.value.visitExpression(this, ctx);
        let currCtx = ctx;
        while (currCtx != null) {
            if (currCtx.vars.has(expr.name)) {
                currCtx.vars.set(expr.name, value);
                return value;
            }
            currCtx = currCtx.parent;
        }
        throw new Error(`Not declared variable ${expr.name}`);
    }
    visitWrappedNodeExpr(ast, ctx) {
        throw new Error('Cannot interpret a WrappedNodeExpr.');
    }
    visitTypeofExpr(ast, ctx) {
        throw new Error('Cannot interpret a TypeofExpr');
    }
    visitReadVarExpr(ast, ctx) {
        let varName = ast.name;
        if (ast.builtin != null) {
            switch (ast.builtin) {
                case BuiltinVar.Super:
                    return Object.getPrototypeOf(ctx.instance);
                case BuiltinVar.This:
                    return ctx.instance;
                case BuiltinVar.CatchError:
                    varName = CATCH_ERROR_VAR$2;
                    break;
                case BuiltinVar.CatchStack:
                    varName = CATCH_STACK_VAR$2;
                    break;
                default:
                    throw new Error(`Unknown builtin variable ${ast.builtin}`);
            }
        }
        let currCtx = ctx;
        while (currCtx != null) {
            if (currCtx.vars.has(varName)) {
                return currCtx.vars.get(varName);
            }
            currCtx = currCtx.parent;
        }
        throw new Error(`Not declared variable ${varName}`);
    }
    visitWriteKeyExpr(expr, ctx) {
        const receiver = expr.receiver.visitExpression(this, ctx);
        const index = expr.index.visitExpression(this, ctx);
        const value = expr.value.visitExpression(this, ctx);
        receiver[index] = value;
        return value;
    }
    visitWritePropExpr(expr, ctx) {
        const receiver = expr.receiver.visitExpression(this, ctx);
        const value = expr.value.visitExpression(this, ctx);
        receiver[expr.name] = value;
        return value;
    }
    visitInvokeMethodExpr(expr, ctx) {
        const receiver = expr.receiver.visitExpression(this, ctx);
        const args = this.visitAllExpressions(expr.args, ctx);
        let result;
        if (expr.builtin != null) {
            switch (expr.builtin) {
                case BuiltinMethod.ConcatArray:
                    result = receiver.concat(...args);
                    break;
                case BuiltinMethod.SubscribeObservable:
                    result = receiver.subscribe({ next: args[0] });
                    break;
                case BuiltinMethod.Bind:
                    result = receiver.bind(...args);
                    break;
                default:
                    throw new Error(`Unknown builtin method ${expr.builtin}`);
            }
        }
        else {
            result = receiver[expr.name].apply(receiver, args);
        }
        return result;
    }
    visitInvokeFunctionExpr(stmt, ctx) {
        const args = this.visitAllExpressions(stmt.args, ctx);
        const fnExpr = stmt.fn;
        if (fnExpr instanceof ReadVarExpr && fnExpr.builtin === BuiltinVar.Super) {
            ctx.instance.constructor.prototype.constructor.apply(ctx.instance, args);
            return null;
        }
        else {
            const fn = stmt.fn.visitExpression(this, ctx);
            return fn.apply(null, args);
        }
    }
    visitTaggedTemplateExpr(expr, ctx) {
        const templateElements = expr.template.elements.map((e) => e.text);
        Object.defineProperty(templateElements, 'raw', { value: expr.template.elements.map((e) => e.rawText) });
        const args = this.visitAllExpressions(expr.template.expressions, ctx);
        args.unshift(templateElements);
        const tag = expr.tag.visitExpression(this, ctx);
        return tag.apply(null, args);
    }
    visitReturnStmt(stmt, ctx) {
        return new ReturnValue(stmt.value.visitExpression(this, ctx));
    }
    visitDeclareClassStmt(stmt, ctx) {
        const clazz = createDynamicClass(stmt, ctx, this);
        ctx.vars.set(stmt.name, clazz);
        if (stmt.hasModifier(StmtModifier.Exported)) {
            ctx.exports.push(stmt.name);
        }
        return null;
    }
    visitExpressionStmt(stmt, ctx) {
        return stmt.expr.visitExpression(this, ctx);
    }
    visitIfStmt(stmt, ctx) {
        const condition = stmt.condition.visitExpression(this, ctx);
        if (condition) {
            return this.visitAllStatements(stmt.trueCase, ctx);
        }
        else if (stmt.falseCase != null) {
            return this.visitAllStatements(stmt.falseCase, ctx);
        }
        return null;
    }
    visitTryCatchStmt(stmt, ctx) {
        try {
            return this.visitAllStatements(stmt.bodyStmts, ctx);
        }
        catch (e) {
            const childCtx = ctx.createChildWihtLocalVars();
            childCtx.vars.set(CATCH_ERROR_VAR$2, e);
            childCtx.vars.set(CATCH_STACK_VAR$2, e.stack);
            return this.visitAllStatements(stmt.catchStmts, childCtx);
        }
    }
    visitThrowStmt(stmt, ctx) {
        throw stmt.error.visitExpression(this, ctx);
    }
    visitInstantiateExpr(ast, ctx) {
        const args = this.visitAllExpressions(ast.args, ctx);
        const clazz = ast.classExpr.visitExpression(this, ctx);
        return new clazz(...args);
    }
    visitLiteralExpr(ast, ctx) {
        return ast.value;
    }
    visitLocalizedString(ast, context) {
        return null;
    }
    visitExternalExpr(ast, ctx) {
        return this.reflector.resolveExternalReference(ast.value);
    }
    visitConditionalExpr(ast, ctx) {
        if (ast.condition.visitExpression(this, ctx)) {
            return ast.trueCase.visitExpression(this, ctx);
        }
        else if (ast.falseCase != null) {
            return ast.falseCase.visitExpression(this, ctx);
        }
        return null;
    }
    visitNotExpr(ast, ctx) {
        return !ast.condition.visitExpression(this, ctx);
    }
    visitAssertNotNullExpr(ast, ctx) {
        return ast.condition.visitExpression(this, ctx);
    }
    visitCastExpr(ast, ctx) {
        return ast.value.visitExpression(this, ctx);
    }
    visitFunctionExpr(ast, ctx) {
        const paramNames = ast.params.map((param) => param.name);
        return _declareFn(paramNames, ast.statements, ctx, this);
    }
    visitDeclareFunctionStmt(stmt, ctx) {
        const paramNames = stmt.params.map((param) => param.name);
        ctx.vars.set(stmt.name, _declareFn(paramNames, stmt.statements, ctx, this));
        if (stmt.hasModifier(StmtModifier.Exported)) {
            ctx.exports.push(stmt.name);
        }
        return null;
    }
    visitUnaryOperatorExpr(ast, ctx) {
        const rhs = () => ast.expr.visitExpression(this, ctx);
        switch (ast.operator) {
            case UnaryOperator.Plus:
                return +rhs();
            case UnaryOperator.Minus:
                return -rhs();
            default:
                throw new Error(`Unknown operator ${ast.operator}`);
        }
    }
    visitBinaryOperatorExpr(ast, ctx) {
        var _a;
        const lhs = () => ast.lhs.visitExpression(this, ctx);
        const rhs = () => ast.rhs.visitExpression(this, ctx);
        switch (ast.operator) {
            case BinaryOperator.Equals:
                return lhs() == rhs();
            case BinaryOperator.Identical:
                return lhs() === rhs();
            case BinaryOperator.NotEquals:
                return lhs() != rhs();
            case BinaryOperator.NotIdentical:
                return lhs() !== rhs();
            case BinaryOperator.And:
                return lhs() && rhs();
            case BinaryOperator.Or:
                return lhs() || rhs();
            case BinaryOperator.Plus:
                return lhs() + rhs();
            case BinaryOperator.Minus:
                return lhs() - rhs();
            case BinaryOperator.Divide:
                return lhs() / rhs();
            case BinaryOperator.Multiply:
                return lhs() * rhs();
            case BinaryOperator.Modulo:
                return lhs() % rhs();
            case BinaryOperator.Lower:
                return lhs() < rhs();
            case BinaryOperator.LowerEquals:
                return lhs() <= rhs();
            case BinaryOperator.Bigger:
                return lhs() > rhs();
            case BinaryOperator.BiggerEquals:
                return lhs() >= rhs();
            case BinaryOperator.NullishCoalesce:
                return (_a = lhs()) !== null && _a !== void 0 ? _a : rhs();
            default:
                throw new Error(`Unknown operator ${ast.operator}`);
        }
    }
    visitReadPropExpr(ast, ctx) {
        let result;
        const receiver = ast.receiver.visitExpression(this, ctx);
        result = receiver[ast.name];
        return result;
    }
    visitReadKeyExpr(ast, ctx) {
        const receiver = ast.receiver.visitExpression(this, ctx);
        const prop = ast.index.visitExpression(this, ctx);
        return receiver[prop];
    }
    visitLiteralArrayExpr(ast, ctx) {
        return this.visitAllExpressions(ast.entries, ctx);
    }
    visitLiteralMapExpr(ast, ctx) {
        const result = {};
        ast.entries.forEach(entry => result[entry.key] = entry.value.visitExpression(this, ctx));
        return result;
    }
    visitCommaExpr(ast, context) {
        const values = this.visitAllExpressions(ast.parts, context);
        return values[values.length - 1];
    }
    visitAllExpressions(expressions, ctx) {
        return expressions.map((expr) => expr.visitExpression(this, ctx));
    }
    visitAllStatements(statements, ctx) {
        for (let i = 0; i < statements.length; i++) {
            const stmt = statements[i];
            const val = stmt.visitStatement(this, ctx);
            if (val instanceof ReturnValue) {
                return val;
            }
        }
        return null;
    }
}
function _declareFn(varNames, statements, ctx, visitor) {
    return (...args) => _executeFunctionStatements(varNames, args, statements, ctx, visitor);
}
const CATCH_ERROR_VAR$2 = 'error';
const CATCH_STACK_VAR$2 = 'stack';

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
/**
 * An internal module of the Angular compiler that begins with component types,
 * extracts templates, and eventually produces a compiled version of the component
 * ready for linking into an application.
 *
 * @security  When compiling templates at runtime, you must ensure that the entire template comes
 * from a trusted source. Attacker-controlled data introduced by a template could expose your
 * application to XSS risks.  For more detail, see the [Security Guide](https://g.co/ng/security).
 */
class JitCompiler {
    constructor(_metadataResolver, _templateParser, _styleCompiler, _viewCompiler, _ngModuleCompiler, _summaryResolver, _reflector, _jitEvaluator, _compilerConfig, _console, getExtraNgModuleProviders) {
        this._metadataResolver = _metadataResolver;
        this._templateParser = _templateParser;
        this._styleCompiler = _styleCompiler;
        this._viewCompiler = _viewCompiler;
        this._ngModuleCompiler = _ngModuleCompiler;
        this._summaryResolver = _summaryResolver;
        this._reflector = _reflector;
        this._jitEvaluator = _jitEvaluator;
        this._compilerConfig = _compilerConfig;
        this._console = _console;
        this.getExtraNgModuleProviders = getExtraNgModuleProviders;
        this._compiledTemplateCache = new Map();
        this._compiledHostTemplateCache = new Map();
        this._compiledDirectiveWrapperCache = new Map();
        this._compiledNgModuleCache = new Map();
        this._sharedStylesheetCount = 0;
        this._addedAotSummaries = new Set();
    }
    compileModuleSync(moduleType) {
        return SyncAsync.assertSync(this._compileModuleAndComponents(moduleType, true));
    }
    compileModuleAsync(moduleType) {
        return Promise.resolve(this._compileModuleAndComponents(moduleType, false));
    }
    compileModuleAndAllComponentsSync(moduleType) {
        return SyncAsync.assertSync(this._compileModuleAndAllComponents(moduleType, true));
    }
    compileModuleAndAllComponentsAsync(moduleType) {
        return Promise.resolve(this._compileModuleAndAllComponents(moduleType, false));
    }
    getComponentFactory(component) {
        const summary = this._metadataResolver.getDirectiveSummary(component);
        return summary.componentFactory;
    }
    loadAotSummaries(summaries) {
        this.clearCache();
        this._addAotSummaries(summaries);
    }
    _addAotSummaries(fn) {
        if (this._addedAotSummaries.has(fn)) {
            return;
        }
        this._addedAotSummaries.add(fn);
        const summaries = fn();
        for (let i = 0; i < summaries.length; i++) {
            const entry = summaries[i];
            if (typeof entry === 'function') {
                this._addAotSummaries(entry);
            }
            else {
                const summary = entry;
                this._summaryResolver.addSummary({ symbol: summary.type.reference, metadata: null, type: summary });
            }
        }
    }
    hasAotSummary(ref) {
        return !!this._summaryResolver.resolveSummary(ref);
    }
    _filterJitIdentifiers(ids) {
        return ids.map(mod => mod.reference).filter((ref) => !this.hasAotSummary(ref));
    }
    _compileModuleAndComponents(moduleType, isSync) {
        return SyncAsync.then(this._loadModules(moduleType, isSync), () => {
            this._compileComponents(moduleType, null);
            return this._compileModule(moduleType);
        });
    }
    _compileModuleAndAllComponents(moduleType, isSync) {
        return SyncAsync.then(this._loadModules(moduleType, isSync), () => {
            const componentFactories = [];
            this._compileComponents(moduleType, componentFactories);
            return {
                ngModuleFactory: this._compileModule(moduleType),
                componentFactories: componentFactories
            };
        });
    }
    _loadModules(mainModule, isSync) {
        const loading = [];
        const mainNgModule = this._metadataResolver.getNgModuleMetadata(mainModule);
        // Note: for runtime compilation, we want to transitively compile all modules,
        // so we also need to load the declared directives / pipes for all nested modules.
        this._filterJitIdentifiers(mainNgModule.transitiveModule.modules).forEach((nestedNgModule) => {
            // getNgModuleMetadata only returns null if the value passed in is not an NgModule
            const moduleMeta = this._metadataResolver.getNgModuleMetadata(nestedNgModule);
            this._filterJitIdentifiers(moduleMeta.declaredDirectives).forEach((ref) => {
                const promise = this._metadataResolver.loadDirectiveMetadata(moduleMeta.type.reference, ref, isSync);
                if (promise) {
                    loading.push(promise);
                }
            });
            this._filterJitIdentifiers(moduleMeta.declaredPipes)
                .forEach((ref) => this._metadataResolver.getOrLoadPipeMetadata(ref));
        });
        return SyncAsync.all(loading);
    }
    _compileModule(moduleType) {
        let ngModuleFactory = this._compiledNgModuleCache.get(moduleType);
        if (!ngModuleFactory) {
            const moduleMeta = this._metadataResolver.getNgModuleMetadata(moduleType);
            // Always provide a bound Compiler
            const extraProviders = this.getExtraNgModuleProviders(moduleMeta.type.reference);
            const outputCtx = createOutputContext();
            const compileResult = this._ngModuleCompiler.compile(outputCtx, moduleMeta, extraProviders);
            ngModuleFactory = this._interpretOrJit(ngModuleJitUrl(moduleMeta), outputCtx.statements)[compileResult.ngModuleFactoryVar];
            this._compiledNgModuleCache.set(moduleMeta.type.reference, ngModuleFactory);
        }
        return ngModuleFactory;
    }
    /**
     * @internal
     */
    _compileComponents(mainModule, allComponentFactories) {
        const ngModule = this._metadataResolver.getNgModuleMetadata(mainModule);
        const moduleByJitDirective = new Map();
        const templates = new Set();
        const transJitModules = this._filterJitIdentifiers(ngModule.transitiveModule.modules);
        transJitModules.forEach((localMod) => {
            const localModuleMeta = this._metadataResolver.getNgModuleMetadata(localMod);
            this._filterJitIdentifiers(localModuleMeta.declaredDirectives).forEach((dirRef) => {
                moduleByJitDirective.set(dirRef, localModuleMeta);
                const dirMeta = this._metadataResolver.getDirectiveMetadata(dirRef);
                if (dirMeta.isComponent) {
                    templates.add(this._createCompiledTemplate(dirMeta, localModuleMeta));
                    if (allComponentFactories) {
                        const template = this._createCompiledHostTemplate(dirMeta.type.reference, localModuleMeta);
                        templates.add(template);
                        allComponentFactories.push(dirMeta.componentFactory);
                    }
                }
            });
        });
        transJitModules.forEach((localMod) => {
            const localModuleMeta = this._metadataResolver.getNgModuleMetadata(localMod);
            this._filterJitIdentifiers(localModuleMeta.declaredDirectives).forEach((dirRef) => {
                const dirMeta = this._metadataResolver.getDirectiveMetadata(dirRef);
                if (dirMeta.isComponent) {
                    dirMeta.entryComponents.forEach((entryComponentType) => {
                        const moduleMeta = moduleByJitDirective.get(entryComponentType.componentType);
                        templates.add(this._createCompiledHostTemplate(entryComponentType.componentType, moduleMeta));
                    });
                }
            });
            localModuleMeta.entryComponents.forEach((entryComponentType) => {
                if (!this.hasAotSummary(entryComponentType.componentType)) {
                    const moduleMeta = moduleByJitDirective.get(entryComponentType.componentType);
                    templates.add(this._createCompiledHostTemplate(entryComponentType.componentType, moduleMeta));
                }
            });
        });
        templates.forEach((template) => this._compileTemplate(template));
    }
    clearCacheFor(type) {
        this._compiledNgModuleCache.delete(type);
        this._metadataResolver.clearCacheFor(type);
        this._compiledHostTemplateCache.delete(type);
        const compiledTemplate = this._compiledTemplateCache.get(type);
        if (compiledTemplate) {
            this._compiledTemplateCache.delete(type);
        }
    }
    clearCache() {
        // Note: don't clear the _addedAotSummaries, as they don't change!
        this._metadataResolver.clearCache();
        this._compiledTemplateCache.clear();
        this._compiledHostTemplateCache.clear();
        this._compiledNgModuleCache.clear();
    }
    _createCompiledHostTemplate(compType, ngModule) {
        if (!ngModule) {
            throw new Error(`Component ${stringify(compType)} is not part of any NgModule or the module has not been imported into your module.`);
        }
        let compiledTemplate = this._compiledHostTemplateCache.get(compType);
        if (!compiledTemplate) {
            const compMeta = this._metadataResolver.getDirectiveMetadata(compType);
            assertComponent(compMeta);
            const hostMeta = this._metadataResolver.getHostComponentMetadata(compMeta, compMeta.componentFactory.viewDefFactory);
            compiledTemplate =
                new CompiledTemplate(true, compMeta.type, hostMeta, ngModule, [compMeta.type]);
            this._compiledHostTemplateCache.set(compType, compiledTemplate);
        }
        return compiledTemplate;
    }
    _createCompiledTemplate(compMeta, ngModule) {
        let compiledTemplate = this._compiledTemplateCache.get(compMeta.type.reference);
        if (!compiledTemplate) {
            assertComponent(compMeta);
            compiledTemplate = new CompiledTemplate(false, compMeta.type, compMeta, ngModule, ngModule.transitiveModule.directives);
            this._compiledTemplateCache.set(compMeta.type.reference, compiledTemplate);
        }
        return compiledTemplate;
    }
    _compileTemplate(template) {
        if (template.isCompiled) {
            return;
        }
        const compMeta = template.compMeta;
        const externalStylesheetsByModuleUrl = new Map();
        const outputContext = createOutputContext();
        const componentStylesheet = this._styleCompiler.compileComponent(outputContext, compMeta);
        compMeta.template.externalStylesheets.forEach((stylesheetMeta) => {
            const compiledStylesheet = this._styleCompiler.compileStyles(createOutputContext(), compMeta, stylesheetMeta);
            externalStylesheetsByModuleUrl.set(stylesheetMeta.moduleUrl, compiledStylesheet);
        });
        this._resolveStylesCompileResult(componentStylesheet, externalStylesheetsByModuleUrl);
        const pipes = template.ngModule.transitiveModule.pipes.map(pipe => this._metadataResolver.getPipeSummary(pipe.reference));
        const { template: parsedTemplate, pipes: usedPipes } = this._parseTemplate(compMeta, template.ngModule, template.directives);
        const compileResult = this._viewCompiler.compileComponent(outputContext, compMeta, parsedTemplate, variable(componentStylesheet.stylesVar), usedPipes);
        const evalResult = this._interpretOrJit(templateJitUrl(template.ngModule.type, template.compMeta), outputContext.statements);
        const viewClass = evalResult[compileResult.viewClassVar];
        const rendererType = evalResult[compileResult.rendererTypeVar];
        template.compiled(viewClass, rendererType);
    }
    _parseTemplate(compMeta, ngModule, directiveIdentifiers) {
        // Note: ! is ok here as components always have a template.
        const preserveWhitespaces = compMeta.template.preserveWhitespaces;
        const directives = directiveIdentifiers.map(dir => this._metadataResolver.getDirectiveSummary(dir.reference));
        const pipes = ngModule.transitiveModule.pipes.map(pipe => this._metadataResolver.getPipeSummary(pipe.reference));
        return this._templateParser.parse(compMeta, compMeta.template.htmlAst, directives, pipes, ngModule.schemas, templateSourceUrl(ngModule.type, compMeta, compMeta.template), preserveWhitespaces);
    }
    _resolveStylesCompileResult(result, externalStylesheetsByModuleUrl) {
        result.dependencies.forEach((dep, i) => {
            const nestedCompileResult = externalStylesheetsByModuleUrl.get(dep.moduleUrl);
            const nestedStylesArr = this._resolveAndEvalStylesCompileResult(nestedCompileResult, externalStylesheetsByModuleUrl);
            dep.setValue(nestedStylesArr);
        });
    }
    _resolveAndEvalStylesCompileResult(result, externalStylesheetsByModuleUrl) {
        this._resolveStylesCompileResult(result, externalStylesheetsByModuleUrl);
        return this._interpretOrJit(sharedStylesheetJitUrl(result.meta, this._sharedStylesheetCount++), result.outputCtx.statements)[result.stylesVar];
    }
    _interpretOrJit(sourceUrl, statements) {
        if (!this._compilerConfig.useJit) {
            return interpretStatements(statements, this._reflector);
        }
        else {
            return this._jitEvaluator.evaluateStatements(sourceUrl, statements, this._reflector, this._compilerConfig.jitDevMode);
        }
    }
}
class CompiledTemplate {
    constructor(isHost, compType, compMeta, ngModule, directives) {
        this.isHost = isHost;
        this.compType = compType;
        this.compMeta = compMeta;
        this.ngModule = ngModule;
        this.directives = directives;
        this._viewClass = null;
        this.isCompiled = false;
    }
    compiled(viewClass, rendererType) {
        this._viewClass = viewClass;
        this.compMeta.componentViewType.setDelegate(viewClass);
        for (let prop in rendererType) {
            this.compMeta.rendererType[prop] = rendererType[prop];
        }
        this.isCompiled = true;
    }
}
function assertComponent(meta) {
    if (!meta.isComponent) {
        throw new Error(`Could not compile '${identifierName(meta.type)}' because it is not a component.`);
    }
}
function createOutputContext() {
    const importExpr$1 = (symbol) => importExpr({ name: identifierName(symbol), moduleName: null, runtime: symbol });
    return { statements: [], genFilePath: '', importExpr: importExpr$1, constantPool: new ConstantPool() };
}

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
/**
 * Provides access to reflection data about symbols that the compiler needs.
 */
class CompileReflector {
}

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
/**
 * Create a {@link UrlResolver} with no package prefix.
 */
function createUrlResolverWithoutPackagePrefix() {
    return new UrlResolver();
}
function createOfflineCompileUrlResolver() {
    return new UrlResolver('.');
}
const UrlResolver = class UrlResolverImpl {
    constructor(_packagePrefix = null) {
        this._packagePrefix = _packagePrefix;
    }
    /**
     * Resolves the `url` given the `baseUrl`:
     * - when the `url` is null, the `baseUrl` is returned,
     * - if `url` is relative ('path/to/here', './path/to/here'), the resolved url is a combination of
     * `baseUrl` and `url`,
     * - if `url` is absolute (it has a scheme: 'http://', 'https://' or start with '/'), the `url` is
     * returned as is (ignoring the `baseUrl`)
     */
    resolve(baseUrl, url) {
        let resolvedUrl = url;
        if (baseUrl != null && baseUrl.length > 0) {
            resolvedUrl = _resolveUrl(baseUrl, resolvedUrl);
        }
        const resolvedParts = _split(resolvedUrl);
        let prefix = this._packagePrefix;
        if (prefix != null && resolvedParts != null &&
            resolvedParts[_ComponentIndex.Scheme] == 'package') {
            let path = resolvedParts[_ComponentIndex.Path];
            prefix = prefix.replace(/\/+$/, '');
            path = path.replace(/^\/+/, '');
            return `${prefix}/${path}`;
        }
        return resolvedUrl;
    }
};
/**
 * Extract the scheme of a URL.
 */
function getUrlScheme(url) {
    const match = _split(url);
    return (match && match[_ComponentIndex.Scheme]) || '';
}
// The code below is adapted from Traceur:
// https://github.com/google/traceur-compiler/blob/9511c1dafa972bf0de1202a8a863bad02f0f95a8/src/runtime/url.js
/**
 * Builds a URI string from already-encoded parts.
 *
 * No encoding is performed.  Any component may be omitted as either null or
 * undefined.
 *
 * @param opt_scheme The scheme such as 'http'.
 * @param opt_userInfo The user name before the '@'.
 * @param opt_domain The domain such as 'www.google.com', already
 *     URI-encoded.
 * @param opt_port The port number.
 * @param opt_path The path, already URI-encoded.  If it is not
 *     empty, it must begin with a slash.
 * @param opt_queryData The URI-encoded query data.
 * @param opt_fragment The URI-encoded fragment identifier.
 * @return The fully combined URI.
 */
function _buildFromEncodedParts(opt_scheme, opt_userInfo, opt_domain, opt_port, opt_path, opt_queryData, opt_fragment) {
    const out = [];
    if (opt_scheme != null) {
        out.push(opt_scheme + ':');
    }
    if (opt_domain != null) {
        out.push('//');
        if (opt_userInfo != null) {
            out.push(opt_userInfo + '@');
        }
        out.push(opt_domain);
        if (opt_port != null) {
            out.push(':' + opt_port);
        }
    }
    if (opt_path != null) {
        out.push(opt_path);
    }
    if (opt_queryData != null) {
        out.push('?' + opt_queryData);
    }
    if (opt_fragment != null) {
        out.push('#' + opt_fragment);
    }
    return out.join('');
}
/**
 * A regular expression for breaking a URI into its component parts.
 *
 * {@link https://tools.ietf.org/html/rfc3986#appendix-B} says
 * As the "first-match-wins" algorithm is identical to the "greedy"
 * disambiguation method used by POSIX regular expressions, it is natural and
 * commonplace to use a regular expression for parsing the potential five
 * components of a URI reference.
 *
 * The following line is the regular expression for breaking-down a
 * well-formed URI reference into its components.
 *
 * <pre>
 * ^(([^:/?#]+):)?(//([^/?#]*))?([^?#]*)(\?([^#]*))?(#(.*))?
 *  12            3  4          5       6  7        8 9
 * </pre>
 *
 * The numbers in the second line above are only to assist readability; they
 * indicate the reference points for each subexpression (i.e., each paired
 * parenthesis). We refer to the value matched for subexpression <n> as $<n>.
 * For example, matching the above expression to
 * <pre>
 *     http://www.ics.uci.edu/pub/ietf/uri/#Related
 * </pre>
 * results in the following subexpression matches:
 * <pre>
 *    $1 = http:
 *    $2 = http
 *    $3 = //www.ics.uci.edu
 *    $4 = www.ics.uci.edu
 *    $5 = /pub/ietf/uri/
 *    $6 = <undefined>
 *    $7 = <undefined>
 *    $8 = #Related
 *    $9 = Related
 * </pre>
 * where <undefined> indicates that the component is not present, as is the
 * case for the query component in the above example. Therefore, we can
 * determine the value of the five components as
 * <pre>
 *    scheme    = $2
 *    authority = $4
 *    path      = $5
 *    query     = $7
 *    fragment  = $9
 * </pre>
 *
 * The regular expression has been modified slightly to expose the
 * userInfo, domain, and port separately from the authority.
 * The modified version yields
 * <pre>
 *    $1 = http              scheme
 *    $2 = <undefined>       userInfo -\
 *    $3 = www.ics.uci.edu   domain     | authority
 *    $4 = <undefined>       port     -/
 *    $5 = /pub/ietf/uri/    path
 *    $6 = <undefined>       query without ?
 *    $7 = Related           fragment without #
 * </pre>
 * @internal
 */
const _splitRe = new RegExp('^' +
    '(?:' +
    '([^:/?#.]+)' + // scheme - ignore special characters
    // used by other URL parts such as :,
    // ?, /, #, and .
    ':)?' +
    '(?://' +
    '(?:([^/?#]*)@)?' + // userInfo
    '([\\w\\d\\-\\u0100-\\uffff.%]*)' + // domain - restrict to letters,
    // digits, dashes, dots, percent
    // escapes, and unicode characters.
    '(?::([0-9]+))?' + // port
    ')?' +
    '([^?#]+)?' + // path
    '(?:\\?([^#]*))?' + // query
    '(?:#(.*))?' + // fragment
    '$');
/**
 * The index of each URI component in the return value of goog.uri.utils.split.
 * @enum {number}
 */
var _ComponentIndex;
(function (_ComponentIndex) {
    _ComponentIndex[_ComponentIndex["Scheme"] = 1] = "Scheme";
    _ComponentIndex[_ComponentIndex["UserInfo"] = 2] = "UserInfo";
    _ComponentIndex[_ComponentIndex["Domain"] = 3] = "Domain";
    _ComponentIndex[_ComponentIndex["Port"] = 4] = "Port";
    _ComponentIndex[_ComponentIndex["Path"] = 5] = "Path";
    _ComponentIndex[_ComponentIndex["QueryData"] = 6] = "QueryData";
    _ComponentIndex[_ComponentIndex["Fragment"] = 7] = "Fragment";
})(_ComponentIndex || (_ComponentIndex = {}));
/**
 * Splits a URI into its component parts.
 *
 * Each component can be accessed via the component indices; for example:
 * <pre>
 * goog.uri.utils.split(someStr)[goog.uri.utils.CompontentIndex.QUERY_DATA];
 * </pre>
 *
 * @param uri The URI string to examine.
 * @return Each component still URI-encoded.
 *     Each component that is present will contain the encoded value, whereas
 *     components that are not present will be undefined or empty, depending
 *     on the browser's regular expression implementation.  Never null, since
 *     arbitrary strings may still look like path names.
 */
function _split(uri) {
    return uri.match(_splitRe);
}
/**
 * Removes dot segments in given path component, as described in
 * RFC 3986, section 5.2.4.
 *
 * @param path A non-empty path component.
 * @return Path component with removed dot segments.
 */
function _removeDotSegments(path) {
    if (path == '/')
        return '/';
    const leadingSlash = path[0] == '/' ? '/' : '';
    const trailingSlash = path[path.length - 1] === '/' ? '/' : '';
    const segments = path.split('/');
    const out = [];
    let up = 0;
    for (let pos = 0; pos < segments.length; pos++) {
        const segment = segments[pos];
        switch (segment) {
            case '':
            case '.':
                break;
            case '..':
                if (out.length > 0) {
                    out.pop();
                }
                else {
                    up++;
                }
                break;
            default:
                out.push(segment);
        }
    }
    if (leadingSlash == '') {
        while (up-- > 0) {
            out.unshift('..');
        }
        if (out.length === 0)
            out.push('.');
    }
    return leadingSlash + out.join('/') + trailingSlash;
}
/**
 * Takes an array of the parts from split and canonicalizes the path part
 * and then joins all the parts.
 */
function _joinAndCanonicalizePath(parts) {
    let path = parts[_ComponentIndex.Path];
    path = path == null ? '' : _removeDotSegments(path);
    parts[_ComponentIndex.Path] = path;
    return _buildFromEncodedParts(parts[_ComponentIndex.Scheme], parts[_ComponentIndex.UserInfo], parts[_ComponentIndex.Domain], parts[_ComponentIndex.Port], path, parts[_ComponentIndex.QueryData], parts[_ComponentIndex.Fragment]);
}
/**
 * Resolves a URL.
 * @param base The URL acting as the base URL.
 * @param to The URL to resolve.
 */
function _resolveUrl(base, url) {
    const parts = _split(encodeURI(url));
    const baseParts = _split(base);
    if (parts[_ComponentIndex.Scheme] != null) {
        return _joinAndCanonicalizePath(parts);
    }
    else {
        parts[_ComponentIndex.Scheme] = baseParts[_ComponentIndex.Scheme];
    }
    for (let i = _ComponentIndex.Scheme; i <= _ComponentIndex.Port; i++) {
        if (parts[i] == null) {
            parts[i] = baseParts[i];
        }
    }
    if (parts[_ComponentIndex.Path][0] == '/') {
        return _joinAndCanonicalizePath(parts);
    }
    let path = baseParts[_ComponentIndex.Path];
    if (path == null)
        path = '/';
    const index = path.lastIndexOf('/');
    path = path.substring(0, index + 1) + parts[_ComponentIndex.Path];
    parts[_ComponentIndex.Path] = path;
    return _joinAndCanonicalizePath(parts);
}

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
class Extractor {
    constructor(host, staticSymbolResolver, messageBundle, metadataResolver) {
        this.host = host;
        this.staticSymbolResolver = staticSymbolResolver;
        this.messageBundle = messageBundle;
        this.metadataResolver = metadataResolver;
    }
    extract(rootFiles) {
        const { files, ngModules } = analyzeAndValidateNgModules(rootFiles, this.host, this.staticSymbolResolver, this.metadataResolver);
        return Promise
            .all(ngModules.map(ngModule => this.metadataResolver.loadNgModuleDirectiveAndPipeMetadata(ngModule.type.reference, false)))
            .then(() => {
            const errors = [];
            files.forEach(file => {
                const compMetas = [];
                file.directives.forEach(directiveType => {
                    const dirMeta = this.metadataResolver.getDirectiveMetadata(directiveType);
                    if (dirMeta && dirMeta.isComponent) {
                        compMetas.push(dirMeta);
                    }
                });
                compMetas.forEach(compMeta => {
                    const html = compMeta.template.template;
                    // Template URL points to either an HTML or TS file depending on
                    // whether the file is used with `templateUrl:` or `template:`,
                    // respectively.
                    const templateUrl = compMeta.template.templateUrl;
                    const interpolationConfig = InterpolationConfig.fromArray(compMeta.template.interpolation);
                    errors.push(...this.messageBundle.updateFromTemplate(html, templateUrl, interpolationConfig));
                });
            });
            if (errors.length) {
                throw new Error(errors.map(e => e.toString()).join('\n'));
            }
            return this.messageBundle;
        });
    }
    static create(host, locale) {
        const htmlParser = new HtmlParser();
        const urlResolver = createAotUrlResolver(host);
        const symbolCache = new StaticSymbolCache();
        const summaryResolver = new AotSummaryResolver(host, symbolCache);
        const staticSymbolResolver = new StaticSymbolResolver(host, symbolCache, summaryResolver);
        const staticReflector = new StaticReflector(summaryResolver, staticSymbolResolver);
        const config = new CompilerConfig({ defaultEncapsulation: ViewEncapsulation.Emulated, useJit: false });
        const normalizer = new DirectiveNormalizer({ get: (url) => host.loadResource(url) }, urlResolver, htmlParser, config);
        const elementSchemaRegistry = new DomElementSchemaRegistry();
        const resolver = new CompileMetadataResolver(config, htmlParser, new NgModuleResolver(staticReflector), new DirectiveResolver(staticReflector), new PipeResolver(staticReflector), summaryResolver, elementSchemaRegistry, normalizer, console, symbolCache, staticReflector);
        // TODO(vicb): implicit tags & attributes
        const messageBundle = new MessageBundle(htmlParser, [], {}, locale);
        const extractor = new Extractor(host, staticSymbolResolver, messageBundle, resolver);
        return { extractor, staticReflector };
    }
}

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */

var FactoryTarget$1;
(function (FactoryTarget) {
    FactoryTarget[FactoryTarget["Directive"] = 0] = "Directive";
    FactoryTarget[FactoryTarget["Component"] = 1] = "Component";
    FactoryTarget[FactoryTarget["Injectable"] = 2] = "Injectable";
    FactoryTarget[FactoryTarget["Pipe"] = 3] = "Pipe";
    FactoryTarget[FactoryTarget["NgModule"] = 4] = "NgModule";
})(FactoryTarget$1 || (FactoryTarget$1 = {}));

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
/**
 * Processes `Target`s with a given set of directives and performs a binding operation, which
 * returns an object similar to TypeScript's `ts.TypeChecker` that contains knowledge about the
 * target.
 */
class R3TargetBinder {
    constructor(directiveMatcher) {
        this.directiveMatcher = directiveMatcher;
    }
    /**
     * Perform a binding operation on the given `Target` and return a `BoundTarget` which contains
     * metadata about the types referenced in the template.
     */
    bind(target) {
        if (!target.template) {
            // TODO(alxhub): handle targets which contain things like HostBindings, etc.
            throw new Error('Binding without a template not yet supported');
        }
        // First, parse the template into a `Scope` structure. This operation captures the syntactic
        // scopes in the template and makes them available for later use.
        const scope = Scope.apply(target.template);
        // Use the `Scope` to extract the entities present at every level of the template.
        const templateEntities = extractTemplateEntities(scope);
        // Next, perform directive matching on the template using the `DirectiveBinder`. This returns:
        //   - directives: Map of nodes (elements & ng-templates) to the directives on them.
        //   - bindings: Map of inputs, outputs, and attributes to the directive/element that claims
        //     them. TODO(alxhub): handle multiple directives claiming an input/output/etc.
        //   - references: Map of #references to their targets.
        const { directives, bindings, references } = DirectiveBinder.apply(target.template, this.directiveMatcher);
        // Finally, run the TemplateBinder to bind references, variables, and other entities within the
        // template. This extracts all the metadata that doesn't depend on directive matching.
        const { expressions, symbols, nestingLevel, usedPipes } = TemplateBinder.applyWithScope(target.template, scope);
        return new R3BoundTarget(target, directives, bindings, references, expressions, symbols, nestingLevel, templateEntities, usedPipes);
    }
}
/**
 * Represents a binding scope within a template.
 *
 * Any variables, references, or other named entities declared within the template will
 * be captured and available by name in `namedEntities`. Additionally, child templates will
 * be analyzed and have their child `Scope`s available in `childScopes`.
 */
class Scope {
    constructor(parentScope, template) {
        this.parentScope = parentScope;
        this.template = template;
        /**
         * Named members of the `Scope`, such as `Reference`s or `Variable`s.
         */
        this.namedEntities = new Map();
        /**
         * Child `Scope`s for immediately nested `Template`s.
         */
        this.childScopes = new Map();
    }
    static newRootScope() {
        return new Scope(null, null);
    }
    /**
     * Process a template (either as a `Template` sub-template with variables, or a plain array of
     * template `Node`s) and construct its `Scope`.
     */
    static apply(template) {
        const scope = Scope.newRootScope();
        scope.ingest(template);
        return scope;
    }
    /**
     * Internal method to process the template and populate the `Scope`.
     */
    ingest(template) {
        if (template instanceof Template) {
            // Variables on an <ng-template> are defined in the inner scope.
            template.variables.forEach(node => this.visitVariable(node));
            // Process the nodes of the template.
            template.children.forEach(node => node.visit(this));
        }
        else {
            // No overarching `Template` instance, so process the nodes directly.
            template.forEach(node => node.visit(this));
        }
    }
    visitElement(element) {
        // `Element`s in the template may have `Reference`s which are captured in the scope.
        element.references.forEach(node => this.visitReference(node));
        // Recurse into the `Element`'s children.
        element.children.forEach(node => node.visit(this));
    }
    visitTemplate(template) {
        // References on a <ng-template> are defined in the outer scope, so capture them before
        // processing the template's child scope.
        template.references.forEach(node => this.visitReference(node));
        // Next, create an inner scope and process the template within it.
        const scope = new Scope(this, template);
        scope.ingest(template);
        this.childScopes.set(template, scope);
    }
    visitVariable(variable) {
        // Declare the variable if it's not already.
        this.maybeDeclare(variable);
    }
    visitReference(reference) {
        // Declare the variable if it's not already.
        this.maybeDeclare(reference);
    }
    // Unused visitors.
    visitContent(content) { }
    visitBoundAttribute(attr) { }
    visitBoundEvent(event) { }
    visitBoundText(text) { }
    visitText(text) { }
    visitTextAttribute(attr) { }
    visitIcu(icu) { }
    maybeDeclare(thing) {
        // Declare something with a name, as long as that name isn't taken.
        if (!this.namedEntities.has(thing.name)) {
            this.namedEntities.set(thing.name, thing);
        }
    }
    /**
     * Look up a variable within this `Scope`.
     *
     * This can recurse into a parent `Scope` if it's available.
     */
    lookup(name) {
        if (this.namedEntities.has(name)) {
            // Found in the local scope.
            return this.namedEntities.get(name);
        }
        else if (this.parentScope !== null) {
            // Not in the local scope, but there's a parent scope so check there.
            return this.parentScope.lookup(name);
        }
        else {
            // At the top level and it wasn't found.
            return null;
        }
    }
    /**
     * Get the child scope for a `Template`.
     *
     * This should always be defined.
     */
    getChildScope(template) {
        const res = this.childScopes.get(template);
        if (res === undefined) {
            throw new Error(`Assertion error: child scope for ${template} not found`);
        }
        return res;
    }
}
/**
 * Processes a template and matches directives on nodes (elements and templates).
 *
 * Usually used via the static `apply()` method.
 */
class DirectiveBinder {
    constructor(matcher, directives, bindings, references) {
        this.matcher = matcher;
        this.directives = directives;
        this.bindings = bindings;
        this.references = references;
    }
    /**
     * Process a template (list of `Node`s) and perform directive matching against each node.
     *
     * @param template the list of template `Node`s to match (recursively).
     * @param selectorMatcher a `SelectorMatcher` containing the directives that are in scope for
     * this template.
     * @returns three maps which contain information about directives in the template: the
     * `directives` map which lists directives matched on each node, the `bindings` map which
     * indicates which directives claimed which bindings (inputs, outputs, etc), and the `references`
     * map which resolves #references (`Reference`s) within the template to the named directive or
     * template node.
     */
    static apply(template, selectorMatcher) {
        const directives = new Map();
        const bindings = new Map();
        const references = new Map();
        const matcher = new DirectiveBinder(selectorMatcher, directives, bindings, references);
        matcher.ingest(template);
        return { directives, bindings, references };
    }
    ingest(template) {
        template.forEach(node => node.visit(this));
    }
    visitElement(element) {
        this.visitElementOrTemplate(element.name, element);
    }
    visitTemplate(template) {
        this.visitElementOrTemplate('ng-template', template);
    }
    visitElementOrTemplate(elementName, node) {
        // First, determine the HTML shape of the node for the purpose of directive matching.
        // Do this by building up a `CssSelector` for the node.
        const cssSelector = createCssSelector(elementName, getAttrsForDirectiveMatching(node));
        // Next, use the `SelectorMatcher` to get the list of directives on the node.
        const directives = [];
        this.matcher.match(cssSelector, (_, directive) => directives.push(directive));
        if (directives.length > 0) {
            this.directives.set(node, directives);
        }
        // Resolve any references that are created on this node.
        node.references.forEach(ref => {
            let dirTarget = null;
            // If the reference expression is empty, then it matches the "primary" directive on the node
            // (if there is one). Otherwise it matches the host node itself (either an element or
            // <ng-template> node).
            if (ref.value.trim() === '') {
                // This could be a reference to a component if there is one.
                dirTarget = directives.find(dir => dir.isComponent) || null;
            }
            else {
                // This should be a reference to a directive exported via exportAs.
                dirTarget =
                    directives.find(dir => dir.exportAs !== null && dir.exportAs.some(value => value === ref.value)) ||
                        null;
                // Check if a matching directive was found.
                if (dirTarget === null) {
                    // No matching directive was found - this reference points to an unknown target. Leave it
                    // unmapped.
                    return;
                }
            }
            if (dirTarget !== null) {
                // This reference points to a directive.
                this.references.set(ref, { directive: dirTarget, node });
            }
            else {
                // This reference points to the node itself.
                this.references.set(ref, node);
            }
        });
        const setAttributeBinding = (attribute, ioType) => {
            const dir = directives.find(dir => dir[ioType].hasBindingPropertyName(attribute.name));
            const binding = dir !== undefined ? dir : node;
            this.bindings.set(attribute, binding);
        };
        // Node inputs (bound attributes) and text attributes can be bound to an
        // input on a directive.
        node.inputs.forEach(input => setAttributeBinding(input, 'inputs'));
        node.attributes.forEach(attr => setAttributeBinding(attr, 'inputs'));
        if (node instanceof Template) {
            node.templateAttrs.forEach(attr => setAttributeBinding(attr, 'inputs'));
        }
        // Node outputs (bound events) can be bound to an output on a directive.
        node.outputs.forEach(output => setAttributeBinding(output, 'outputs'));
        // Recurse into the node's children.
        node.children.forEach(child => child.visit(this));
    }
    // Unused visitors.
    visitContent(content) { }
    visitVariable(variable) { }
    visitReference(reference) { }
    visitTextAttribute(attribute) { }
    visitBoundAttribute(attribute) { }
    visitBoundEvent(attribute) { }
    visitBoundAttributeOrEvent(node) { }
    visitText(text) { }
    visitBoundText(text) { }
    visitIcu(icu) { }
}
/**
 * Processes a template and extract metadata about expressions and symbols within.
 *
 * This is a companion to the `DirectiveBinder` that doesn't require knowledge of directives matched
 * within the template in order to operate.
 *
 * Expressions are visited by the superclass `RecursiveAstVisitor`, with custom logic provided
 * by overridden methods from that visitor.
 */
class TemplateBinder extends RecursiveAstVisitor$1 {
    constructor(bindings, symbols, usedPipes, nestingLevel, scope, template, level) {
        super();
        this.bindings = bindings;
        this.symbols = symbols;
        this.usedPipes = usedPipes;
        this.nestingLevel = nestingLevel;
        this.scope = scope;
        this.template = template;
        this.level = level;
        this.pipesUsed = [];
        // Save a bit of processing time by constructing this closure in advance.
        this.visitNode = (node) => node.visit(this);
    }
    // This method is defined to reconcile the type of TemplateBinder since both
    // RecursiveAstVisitor and Visitor define the visit() method in their
    // interfaces.
    visit(node, context) {
        if (node instanceof AST) {
            node.visit(this, context);
        }
        else {
            node.visit(this);
        }
    }
    /**
     * Process a template and extract metadata about expressions and symbols within.
     *
     * @param template the nodes of the template to process
     * @param scope the `Scope` of the template being processed.
     * @returns three maps which contain metadata about the template: `expressions` which interprets
     * special `AST` nodes in expressions as pointing to references or variables declared within the
     * template, `symbols` which maps those variables and references to the nested `Template` which
     * declares them, if any, and `nestingLevel` which associates each `Template` with a integer
     * nesting level (how many levels deep within the template structure the `Template` is), starting
     * at 1.
     */
    static applyWithScope(template, scope) {
        const expressions = new Map();
        const symbols = new Map();
        const nestingLevel = new Map();
        const usedPipes = new Set();
        // The top-level template has nesting level 0.
        const binder = new TemplateBinder(expressions, symbols, usedPipes, nestingLevel, scope, template instanceof Template ? template : null, 0);
        binder.ingest(template);
        return { expressions, symbols, nestingLevel, usedPipes };
    }
    ingest(template) {
        if (template instanceof Template) {
            // For <ng-template>s, process only variables and child nodes. Inputs, outputs, templateAttrs,
            // and references were all processed in the scope of the containing template.
            template.variables.forEach(this.visitNode);
            template.children.forEach(this.visitNode);
            // Set the nesting level.
            this.nestingLevel.set(template, this.level);
        }
        else {
            // Visit each node from the top-level template.
            template.forEach(this.visitNode);
        }
    }
    visitElement(element) {
        // Visit the inputs, outputs, and children of the element.
        element.inputs.forEach(this.visitNode);
        element.outputs.forEach(this.visitNode);
        element.children.forEach(this.visitNode);
    }
    visitTemplate(template) {
        // First, visit inputs, outputs and template attributes of the template node.
        template.inputs.forEach(this.visitNode);
        template.outputs.forEach(this.visitNode);
        template.templateAttrs.forEach(this.visitNode);
        // References are also evaluated in the outer context.
        template.references.forEach(this.visitNode);
        // Next, recurse into the template using its scope, and bumping the nesting level up by one.
        const childScope = this.scope.getChildScope(template);
        const binder = new TemplateBinder(this.bindings, this.symbols, this.usedPipes, this.nestingLevel, childScope, template, this.level + 1);
        binder.ingest(template);
    }
    visitVariable(variable) {
        // Register the `Variable` as a symbol in the current `Template`.
        if (this.template !== null) {
            this.symbols.set(variable, this.template);
        }
    }
    visitReference(reference) {
        // Register the `Reference` as a symbol in the current `Template`.
        if (this.template !== null) {
            this.symbols.set(reference, this.template);
        }
    }
    // Unused template visitors
    visitText(text) { }
    visitContent(content) { }
    visitTextAttribute(attribute) { }
    visitIcu(icu) {
        Object.keys(icu.vars).forEach(key => icu.vars[key].visit(this));
        Object.keys(icu.placeholders).forEach(key => icu.placeholders[key].visit(this));
    }
    // The remaining visitors are concerned with processing AST expressions within template bindings
    visitBoundAttribute(attribute) {
        attribute.value.visit(this);
    }
    visitBoundEvent(event) {
        event.handler.visit(this);
    }
    visitBoundText(text) {
        text.value.visit(this);
    }
    visitPipe(ast, context) {
        this.usedPipes.add(ast.name);
        return super.visitPipe(ast, context);
    }
    // These five types of AST expressions can refer to expression roots, which could be variables
    // or references in the current scope.
    visitPropertyRead(ast, context) {
        this.maybeMap(context, ast, ast.name);
        return super.visitPropertyRead(ast, context);
    }
    visitSafePropertyRead(ast, context) {
        this.maybeMap(context, ast, ast.name);
        return super.visitSafePropertyRead(ast, context);
    }
    visitPropertyWrite(ast, context) {
        this.maybeMap(context, ast, ast.name);
        return super.visitPropertyWrite(ast, context);
    }
    visitMethodCall(ast, context) {
        this.maybeMap(context, ast, ast.name);
        return super.visitMethodCall(ast, context);
    }
    visitSafeMethodCall(ast, context) {
        this.maybeMap(context, ast, ast.name);
        return super.visitSafeMethodCall(ast, context);
    }
    maybeMap(scope, ast, name) {
        // If the receiver of the expression isn't the `ImplicitReceiver`, this isn't the root of an
        // `AST` expression that maps to a `Variable` or `Reference`.
        if (!(ast.receiver instanceof ImplicitReceiver)) {
            return;
        }
        // Check whether the name exists in the current scope. If so, map it. Otherwise, the name is
        // probably a property on the top-level component context.
        let target = this.scope.lookup(name);
        if (target !== null) {
            this.bindings.set(ast, target);
        }
    }
}
/**
 * Metadata container for a `Target` that allows queries for specific bits of metadata.
 *
 * See `BoundTarget` for documentation on the individual methods.
 */
class R3BoundTarget {
    constructor(target, directives, bindings, references, exprTargets, symbols, nestingLevel, templateEntities, usedPipes) {
        this.target = target;
        this.directives = directives;
        this.bindings = bindings;
        this.references = references;
        this.exprTargets = exprTargets;
        this.symbols = symbols;
        this.nestingLevel = nestingLevel;
        this.templateEntities = templateEntities;
        this.usedPipes = usedPipes;
    }
    getEntitiesInTemplateScope(template) {
        var _a;
        return (_a = this.templateEntities.get(template)) !== null && _a !== void 0 ? _a : new Set();
    }
    getDirectivesOfNode(node) {
        return this.directives.get(node) || null;
    }
    getReferenceTarget(ref) {
        return this.references.get(ref) || null;
    }
    getConsumerOfBinding(binding) {
        return this.bindings.get(binding) || null;
    }
    getExpressionTarget(expr) {
        return this.exprTargets.get(expr) || null;
    }
    getTemplateOfSymbol(symbol) {
        return this.symbols.get(symbol) || null;
    }
    getNestingLevel(template) {
        return this.nestingLevel.get(template) || 0;
    }
    getUsedDirectives() {
        const set = new Set();
        this.directives.forEach(dirs => dirs.forEach(dir => set.add(dir)));
        return Array.from(set.values());
    }
    getUsedPipes() {
        return Array.from(this.usedPipes);
    }
}
function extractTemplateEntities(rootScope) {
    const entityMap = new Map();
    function extractScopeEntities(scope) {
        if (entityMap.has(scope.template)) {
            return entityMap.get(scope.template);
        }
        const currentEntities = scope.namedEntities;
        let templateEntities;
        if (scope.parentScope !== null) {
            templateEntities = new Map([...extractScopeEntities(scope.parentScope), ...currentEntities]);
        }
        else {
            templateEntities = new Map(currentEntities);
        }
        entityMap.set(scope.template, templateEntities);
        return templateEntities;
    }
    const scopesToProcess = [rootScope];
    while (scopesToProcess.length > 0) {
        const scope = scopesToProcess.pop();
        for (const childScope of scope.childScopes.values()) {
            scopesToProcess.push(childScope);
        }
        extractScopeEntities(scope);
    }
    const templateEntities = new Map();
    for (const [template, entities] of entityMap) {
        templateEntities.set(template, new Set(entities.values()));
    }
    return templateEntities;
}

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
function compileClassMetadata(metadata) {
    var _a, _b;
    // Generate an ngDevMode guarded call to setClassMetadata with the class identifier and its
    // metadata.
    const fnCall = importExpr(Identifiers.setClassMetadata).callFn([
        metadata.type,
        metadata.decorators,
        (_a = metadata.ctorParameters) !== null && _a !== void 0 ? _a : literal(null),
        (_b = metadata.propDecorators) !== null && _b !== void 0 ? _b : literal(null),
    ]);
    const iife = fn([], [devOnlyGuardedExpression(fnCall).toStmt()]);
    return iife.callFn([]);
}

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
/**
 * Every time we make a breaking change to the declaration interface or partial-linker behavior, we
 * must update this constant to prevent old partial-linkers from incorrectly processing the
 * declaration.
 *
 * Do not include any prerelease in these versions as they are ignored.
 */
const MINIMUM_PARTIAL_LINKER_VERSION = '12.0.0';
function compileDeclareClassMetadata(metadata) {
    const definitionMap = new DefinitionMap();
    definitionMap.set('minVersion', literal(MINIMUM_PARTIAL_LINKER_VERSION));
    definitionMap.set('version', literal('12.1.5'));
    definitionMap.set('ngImport', importExpr(Identifiers.core));
    definitionMap.set('type', metadata.type);
    definitionMap.set('decorators', metadata.decorators);
    definitionMap.set('ctorParameters', metadata.ctorParameters);
    definitionMap.set('propDecorators', metadata.propDecorators);
    return importExpr(Identifiers.declareClassMetadata).callFn([definitionMap.toLiteralMap()]);
}

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
/**
 * Every time we make a breaking change to the declaration interface or partial-linker behavior, we
 * must update this constant to prevent old partial-linkers from incorrectly processing the
 * declaration.
 *
 * Do not include any prerelease in these versions as they are ignored.
 */
const MINIMUM_PARTIAL_LINKER_VERSION$1 = '12.0.0';
/**
 * Compile a directive declaration defined by the `R3DirectiveMetadata`.
 */
function compileDeclareDirectiveFromMetadata(meta) {
    const definitionMap = createDirectiveDefinitionMap(meta);
    const expression = importExpr(Identifiers.declareDirective).callFn([definitionMap.toLiteralMap()]);
    const type = createDirectiveType(meta);
    return { expression, type, statements: [] };
}
/**
 * Gathers the declaration fields for a directive into a `DefinitionMap`. This allows for reusing
 * this logic for components, as they extend the directive metadata.
 */
function createDirectiveDefinitionMap(meta) {
    const definitionMap = new DefinitionMap();
    definitionMap.set('minVersion', literal(MINIMUM_PARTIAL_LINKER_VERSION$1));
    definitionMap.set('version', literal('12.1.5'));
    // e.g. `type: MyDirective`
    definitionMap.set('type', meta.internalType);
    // e.g. `selector: 'some-dir'`
    if (meta.selector !== null) {
        definitionMap.set('selector', literal(meta.selector));
    }
    definitionMap.set('inputs', conditionallyCreateMapObjectLiteral(meta.inputs, true));
    definitionMap.set('outputs', conditionallyCreateMapObjectLiteral(meta.outputs));
    definitionMap.set('host', compileHostMetadata(meta.host));
    definitionMap.set('providers', meta.providers);
    if (meta.queries.length > 0) {
        definitionMap.set('queries', literalArr(meta.queries.map(compileQuery)));
    }
    if (meta.viewQueries.length > 0) {
        definitionMap.set('viewQueries', literalArr(meta.viewQueries.map(compileQuery)));
    }
    if (meta.exportAs !== null) {
        definitionMap.set('exportAs', asLiteral(meta.exportAs));
    }
    if (meta.usesInheritance) {
        definitionMap.set('usesInheritance', literal(true));
    }
    if (meta.lifecycle.usesOnChanges) {
        definitionMap.set('usesOnChanges', literal(true));
    }
    definitionMap.set('ngImport', importExpr(Identifiers.core));
    return definitionMap;
}
/**
 * Compiles the metadata of a single query into its partial declaration form as declared
 * by `R3DeclareQueryMetadata`.
 */
function compileQuery(query) {
    const meta = new DefinitionMap();
    meta.set('propertyName', literal(query.propertyName));
    if (query.first) {
        meta.set('first', literal(true));
    }
    meta.set('predicate', Array.isArray(query.predicate) ? asLiteral(query.predicate) : query.predicate);
    if (!query.emitDistinctChangesOnly) {
        // `emitDistinctChangesOnly` is special because we expect it to be `true`.
        // Therefore we explicitly emit the field, and explicitly place it only when it's `false`.
        meta.set('emitDistinctChangesOnly', literal(false));
    }
    else {
        // The linker will assume that an absent `emitDistinctChangesOnly` flag is by default `true`.
    }
    if (query.descendants) {
        meta.set('descendants', literal(true));
    }
    meta.set('read', query.read);
    if (query.static) {
        meta.set('static', literal(true));
    }
    return meta.toLiteralMap();
}
/**
 * Compiles the host metadata into its partial declaration form as declared
 * in `R3DeclareDirectiveMetadata['host']`
 */
function compileHostMetadata(meta) {
    const hostMetadata = new DefinitionMap();
    hostMetadata.set('attributes', toOptionalLiteralMap(meta.attributes, expression => expression));
    hostMetadata.set('listeners', toOptionalLiteralMap(meta.listeners, literal));
    hostMetadata.set('properties', toOptionalLiteralMap(meta.properties, literal));
    if (meta.specialAttributes.styleAttr) {
        hostMetadata.set('styleAttribute', literal(meta.specialAttributes.styleAttr));
    }
    if (meta.specialAttributes.classAttr) {
        hostMetadata.set('classAttribute', literal(meta.specialAttributes.classAttr));
    }
    if (hostMetadata.values.length > 0) {
        return hostMetadata.toLiteralMap();
    }
    else {
        return null;
    }
}

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
/**
 * Compile a component declaration defined by the `R3ComponentMetadata`.
 */
function compileDeclareComponentFromMetadata(meta, template, additionalTemplateInfo) {
    const definitionMap = createComponentDefinitionMap(meta, template, additionalTemplateInfo);
    const expression = importExpr(Identifiers.declareComponent).callFn([definitionMap.toLiteralMap()]);
    const type = createComponentType(meta);
    return { expression, type, statements: [] };
}
/**
 * Gathers the declaration fields for a component into a `DefinitionMap`.
 */
function createComponentDefinitionMap(meta, template, templateInfo) {
    const definitionMap = createDirectiveDefinitionMap(meta);
    definitionMap.set('template', getTemplateExpression(template, templateInfo));
    if (templateInfo.isInline) {
        definitionMap.set('isInline', literal(true));
    }
    definitionMap.set('styles', toOptionalLiteralArray(meta.styles, literal));
    definitionMap.set('components', compileUsedDirectiveMetadata(meta, directive => directive.isComponent === true));
    definitionMap.set('directives', compileUsedDirectiveMetadata(meta, directive => directive.isComponent !== true));
    definitionMap.set('pipes', compileUsedPipeMetadata(meta));
    definitionMap.set('viewProviders', meta.viewProviders);
    definitionMap.set('animations', meta.animations);
    if (meta.changeDetection !== undefined) {
        definitionMap.set('changeDetection', importExpr(Identifiers.ChangeDetectionStrategy)
            .prop(ChangeDetectionStrategy[meta.changeDetection]));
    }
    if (meta.encapsulation !== ViewEncapsulation.Emulated) {
        definitionMap.set('encapsulation', importExpr(Identifiers.ViewEncapsulation).prop(ViewEncapsulation[meta.encapsulation]));
    }
    if (meta.interpolation !== DEFAULT_INTERPOLATION_CONFIG) {
        definitionMap.set('interpolation', literalArr([literal(meta.interpolation.start), literal(meta.interpolation.end)]));
    }
    if (template.preserveWhitespaces === true) {
        definitionMap.set('preserveWhitespaces', literal(true));
    }
    return definitionMap;
}
function getTemplateExpression(template, templateInfo) {
    // If the template has been defined using a direct literal, we use that expression directly
    // without any modifications. This is ensures proper source mapping from the partially
    // compiled code to the source file declaring the template. Note that this does not capture
    // template literals referenced indirectly through an identifier.
    if (templateInfo.inlineTemplateLiteralExpression !== null) {
        return templateInfo.inlineTemplateLiteralExpression;
    }
    // If the template is defined inline but not through a literal, the template has been resolved
    // through static interpretation. We create a literal but cannot provide any source span. Note
    // that we cannot use the expression defining the template because the linker expects the template
    // to be defined as a literal in the declaration.
    if (templateInfo.isInline) {
        return literal(templateInfo.content, null, null);
    }
    // The template is external so we must synthesize an expression node with
    // the appropriate source-span.
    const contents = templateInfo.content;
    const file = new ParseSourceFile(contents, templateInfo.sourceUrl);
    const start = new ParseLocation(file, 0, 0, 0);
    const end = computeEndLocation(file, contents);
    const span = new ParseSourceSpan(start, end);
    return literal(contents, null, span);
}
function computeEndLocation(file, contents) {
    const length = contents.length;
    let lineStart = 0;
    let lastLineStart = 0;
    let line = 0;
    do {
        lineStart = contents.indexOf('\n', lastLineStart);
        if (lineStart !== -1) {
            lastLineStart = lineStart + 1;
            line++;
        }
    } while (lineStart !== -1);
    return new ParseLocation(file, length, line, length - lastLineStart);
}
/**
 * Compiles the directives as registered in the component metadata into an array literal of the
 * individual directives. If the component does not use any directives, then null is returned.
 */
function compileUsedDirectiveMetadata(meta, predicate) {
    const wrapType = meta.declarationListEmitMode !== 0 /* Direct */ ?
        generateForwardRef :
        (expr) => expr;
    const directives = meta.directives.filter(predicate);
    return toOptionalLiteralArray(directives, directive => {
        const dirMeta = new DefinitionMap();
        dirMeta.set('type', wrapType(directive.type));
        dirMeta.set('selector', literal(directive.selector));
        dirMeta.set('inputs', toOptionalLiteralArray(directive.inputs, literal));
        dirMeta.set('outputs', toOptionalLiteralArray(directive.outputs, literal));
        dirMeta.set('exportAs', toOptionalLiteralArray(directive.exportAs, literal));
        return dirMeta.toLiteralMap();
    });
}
/**
 * Compiles the pipes as registered in the component metadata into an object literal, where the
 * pipe's name is used as key and a reference to its type as value. If the component does not use
 * any pipes, then null is returned.
 */
function compileUsedPipeMetadata(meta) {
    if (meta.pipes.size === 0) {
        return null;
    }
    const wrapType = meta.declarationListEmitMode !== 0 /* Direct */ ?
        generateForwardRef :
        (expr) => expr;
    const entries = [];
    for (const [name, pipe] of meta.pipes) {
        entries.push({ key: name, value: wrapType(pipe), quoted: true });
    }
    return literalMap(entries);
}

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
/**
 * Every time we make a breaking change to the declaration interface or partial-linker behavior, we
 * must update this constant to prevent old partial-linkers from incorrectly processing the
 * declaration.
 *
 * Do not include any prerelease in these versions as they are ignored.
 */
const MINIMUM_PARTIAL_LINKER_VERSION$2 = '12.0.0';
function compileDeclareFactoryFunction(meta) {
    const definitionMap = new DefinitionMap();
    definitionMap.set('minVersion', literal(MINIMUM_PARTIAL_LINKER_VERSION$2));
    definitionMap.set('version', literal('12.1.5'));
    definitionMap.set('ngImport', importExpr(Identifiers.core));
    definitionMap.set('type', meta.internalType);
    definitionMap.set('deps', compileDependencies(meta.deps));
    definitionMap.set('target', importExpr(Identifiers.FactoryTarget).prop(FactoryTarget[meta.target]));
    return {
        expression: importExpr(Identifiers.declareFactory).callFn([definitionMap.toLiteralMap()]),
        statements: [],
        type: createFactoryType(meta),
    };
}

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
/**
 * Every time we make a breaking change to the declaration interface or partial-linker behavior, we
 * must update this constant to prevent old partial-linkers from incorrectly processing the
 * declaration.
 *
 * Do not include any prerelease in these versions as they are ignored.
 */
const MINIMUM_PARTIAL_LINKER_VERSION$3 = '12.0.0';
/**
 * Compile a Injectable declaration defined by the `R3InjectableMetadata`.
 */
function compileDeclareInjectableFromMetadata(meta) {
    const definitionMap = createInjectableDefinitionMap(meta);
    const expression = importExpr(Identifiers.declareInjectable).callFn([definitionMap.toLiteralMap()]);
    const type = createInjectableType(meta);
    return { expression, type, statements: [] };
}
/**
 * Gathers the declaration fields for a Injectable into a `DefinitionMap`.
 */
function createInjectableDefinitionMap(meta) {
    const definitionMap = new DefinitionMap();
    definitionMap.set('minVersion', literal(MINIMUM_PARTIAL_LINKER_VERSION$3));
    definitionMap.set('version', literal('12.1.5'));
    definitionMap.set('ngImport', importExpr(Identifiers.core));
    definitionMap.set('type', meta.internalType);
    // Only generate providedIn property if it has a non-null value
    if (meta.providedIn !== undefined) {
        const providedIn = convertFromProviderExpression(meta.providedIn);
        if (providedIn.value !== null) {
            definitionMap.set('providedIn', providedIn);
        }
    }
    if (meta.useClass !== undefined) {
        definitionMap.set('useClass', convertFromProviderExpression(meta.useClass));
    }
    if (meta.useExisting !== undefined) {
        definitionMap.set('useExisting', convertFromProviderExpression(meta.useExisting));
    }
    if (meta.useValue !== undefined) {
        definitionMap.set('useValue', convertFromProviderExpression(meta.useValue));
    }
    // Factories do not contain `ForwardRef`s since any types are already wrapped in a function call
    // so the types will not be eagerly evaluated. Therefore we do not need to process this expression
    // with `convertFromProviderExpression()`.
    if (meta.useFactory !== undefined) {
        definitionMap.set('useFactory', meta.useFactory);
    }
    if (meta.deps !== undefined) {
        definitionMap.set('deps', literalArr(meta.deps.map(compileDependency)));
    }
    return definitionMap;
}
/**
 * Convert an `R3ProviderExpression` to an `Expression`, possibly wrapping its expression in a
 * `forwardRef()` call.
 *
 * If `R3ProviderExpression.isForwardRef` is true then the expression was originally wrapped in a
 * `forwardRef()` call to prevent the value from being eagerly evaluated in the code.
 *
 * Normally, the linker will statically process the code, putting the `expression` inside a factory
 * function so the `forwardRef()` wrapper is not evaluated before it has been defined. But if the
 * partial declaration is evaluated by the JIT compiler the `forwardRef()` call is still needed to
 * prevent eager evaluation of the `expression`.
 *
 * So in partial declarations, expressions that could be forward-refs are wrapped in `forwardRef()`
 * calls, and this is then unwrapped in the linker as necessary.
 *
 * See `packages/compiler-cli/src/ngtsc/annotations/src/injectable.ts` and
 * `packages/compiler/src/jit_compiler_facade.ts` for more information.
 */
function convertFromProviderExpression({ expression, isForwardRef }) {
    return isForwardRef ? generateForwardRef(expression) : expression;
}

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
/**
 * Every time we make a breaking change to the declaration interface or partial-linker behavior, we
 * must update this constant to prevent old partial-linkers from incorrectly processing the
 * declaration.
 *
 * Do not include any prerelease in these versions as they are ignored.
 */
const MINIMUM_PARTIAL_LINKER_VERSION$4 = '12.0.0';
function compileDeclareInjectorFromMetadata(meta) {
    const definitionMap = createInjectorDefinitionMap(meta);
    const expression = importExpr(Identifiers.declareInjector).callFn([definitionMap.toLiteralMap()]);
    const type = createInjectorType(meta);
    return { expression, type, statements: [] };
}
/**
 * Gathers the declaration fields for an Injector into a `DefinitionMap`.
 */
function createInjectorDefinitionMap(meta) {
    const definitionMap = new DefinitionMap();
    definitionMap.set('minVersion', literal(MINIMUM_PARTIAL_LINKER_VERSION$4));
    definitionMap.set('version', literal('12.1.5'));
    definitionMap.set('ngImport', importExpr(Identifiers.core));
    definitionMap.set('type', meta.internalType);
    definitionMap.set('providers', meta.providers);
    if (meta.imports.length > 0) {
        definitionMap.set('imports', literalArr(meta.imports));
    }
    return definitionMap;
}

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
/**
 * Every time we make a breaking change to the declaration interface or partial-linker behavior, we
 * must update this constant to prevent old partial-linkers from incorrectly processing the
 * declaration.
 *
 * Do not include any prerelease in these versions as they are ignored.
 */
const MINIMUM_PARTIAL_LINKER_VERSION$5 = '12.0.0';
function compileDeclareNgModuleFromMetadata(meta) {
    const definitionMap = createNgModuleDefinitionMap(meta);
    const expression = importExpr(Identifiers.declareNgModule).callFn([definitionMap.toLiteralMap()]);
    const type = createNgModuleType(meta);
    return { expression, type, statements: [] };
}
/**
 * Gathers the declaration fields for an NgModule into a `DefinitionMap`.
 */
function createNgModuleDefinitionMap(meta) {
    const definitionMap = new DefinitionMap();
    definitionMap.set('minVersion', literal(MINIMUM_PARTIAL_LINKER_VERSION$5));
    definitionMap.set('version', literal('12.1.5'));
    definitionMap.set('ngImport', importExpr(Identifiers.core));
    definitionMap.set('type', meta.internalType);
    // We only generate the keys in the metadata if the arrays contain values.
    // We must wrap the arrays inside a function if any of the values are a forward reference to a
    // not-yet-declared class. This is to support JIT execution of the `ɵɵngDeclareNgModule()` call.
    // In the linker these wrappers are stripped and then reapplied for the `ɵɵdefineNgModule()` call.
    if (meta.bootstrap.length > 0) {
        definitionMap.set('bootstrap', refsToArray(meta.bootstrap, meta.containsForwardDecls));
    }
    if (meta.declarations.length > 0) {
        definitionMap.set('declarations', refsToArray(meta.declarations, meta.containsForwardDecls));
    }
    if (meta.imports.length > 0) {
        definitionMap.set('imports', refsToArray(meta.imports, meta.containsForwardDecls));
    }
    if (meta.exports.length > 0) {
        definitionMap.set('exports', refsToArray(meta.exports, meta.containsForwardDecls));
    }
    if (meta.schemas !== null && meta.schemas.length > 0) {
        definitionMap.set('schemas', literalArr(meta.schemas.map(ref => ref.value)));
    }
    if (meta.id !== null) {
        definitionMap.set('id', meta.id);
    }
    return definitionMap;
}

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
/**
 * Every time we make a breaking change to the declaration interface or partial-linker behavior, we
 * must update this constant to prevent old partial-linkers from incorrectly processing the
 * declaration.
 *
 * Do not include any prerelease in these versions as they are ignored.
 */
const MINIMUM_PARTIAL_LINKER_VERSION$6 = '12.0.0';
/**
 * Compile a Pipe declaration defined by the `R3PipeMetadata`.
 */
function compileDeclarePipeFromMetadata(meta) {
    const definitionMap = createPipeDefinitionMap(meta);
    const expression = importExpr(Identifiers.declarePipe).callFn([definitionMap.toLiteralMap()]);
    const type = createPipeType(meta);
    return { expression, type, statements: [] };
}
/**
 * Gathers the declaration fields for a Pipe into a `DefinitionMap`.
 */
function createPipeDefinitionMap(meta) {
    const definitionMap = new DefinitionMap();
    definitionMap.set('minVersion', literal(MINIMUM_PARTIAL_LINKER_VERSION$6));
    definitionMap.set('version', literal('12.1.5'));
    definitionMap.set('ngImport', importExpr(Identifiers.core));
    // e.g. `type: MyPipe`
    definitionMap.set('type', meta.internalType);
    // e.g. `name: "myPipe"`
    definitionMap.set('name', literal(meta.pipeName));
    if (meta.pure === false) {
        // e.g. `pure: false`
        definitionMap.set('pure', literal(meta.pure));
    }
    return definitionMap;
}

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
// This file only reexports content of the `src` folder. Keep it that way.
// This function call has a global side effects and publishes the compiler into global namespace for
// the late binding of the Compiler to the @angular/core for jit compilation.
publishFacade(_global);

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
// This file only reexports content of the `src` folder. Keep it that way.

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */


//# sourceMappingURL=compiler.js.map


/***/ }),

/***/ 7716:
/*!******************************************************************!*\
  !*** ./node_modules/@angular/core/__ivy_ngcc__/fesm2015/core.js ***!
  \******************************************************************/
/***/ ((__unused_webpack_module, __webpack_exports__, __webpack_require__) => {

"use strict";
__webpack_require__.r(__webpack_exports__);
/* harmony export */ __webpack_require__.d(__webpack_exports__, {
/* harmony export */   "ANALYZE_FOR_ENTRY_COMPONENTS": () => (/* binding */ ANALYZE_FOR_ENTRY_COMPONENTS),
/* harmony export */   "APP_BOOTSTRAP_LISTENER": () => (/* binding */ APP_BOOTSTRAP_LISTENER),
/* harmony export */   "APP_ID": () => (/* binding */ APP_ID),
/* harmony export */   "APP_INITIALIZER": () => (/* binding */ APP_INITIALIZER),
/* harmony export */   "ApplicationInitStatus": () => (/* binding */ ApplicationInitStatus),
/* harmony export */   "ApplicationModule": () => (/* binding */ ApplicationModule),
/* harmony export */   "ApplicationRef": () => (/* binding */ ApplicationRef),
/* harmony export */   "Attribute": () => (/* binding */ Attribute),
/* harmony export */   "COMPILER_OPTIONS": () => (/* binding */ COMPILER_OPTIONS),
/* harmony export */   "CUSTOM_ELEMENTS_SCHEMA": () => (/* binding */ CUSTOM_ELEMENTS_SCHEMA),
/* harmony export */   "ChangeDetectionStrategy": () => (/* binding */ ChangeDetectionStrategy),
/* harmony export */   "ChangeDetectorRef": () => (/* binding */ ChangeDetectorRef),
/* harmony export */   "Compiler": () => (/* binding */ Compiler),
/* harmony export */   "CompilerFactory": () => (/* binding */ CompilerFactory),
/* harmony export */   "Component": () => (/* binding */ Component),
/* harmony export */   "ComponentFactory": () => (/* binding */ ComponentFactory),
/* harmony export */   "ComponentFactoryResolver": () => (/* binding */ ComponentFactoryResolver),
/* harmony export */   "ComponentRef": () => (/* binding */ ComponentRef),
/* harmony export */   "ContentChild": () => (/* binding */ ContentChild),
/* harmony export */   "ContentChildren": () => (/* binding */ ContentChildren),
/* harmony export */   "DEFAULT_CURRENCY_CODE": () => (/* binding */ DEFAULT_CURRENCY_CODE),
/* harmony export */   "DebugElement": () => (/* binding */ DebugElement),
/* harmony export */   "DebugEventListener": () => (/* binding */ DebugEventListener),
/* harmony export */   "DebugNode": () => (/* binding */ DebugNode),
/* harmony export */   "DefaultIterableDiffer": () => (/* binding */ DefaultIterableDiffer),
/* harmony export */   "Directive": () => (/* binding */ Directive),
/* harmony export */   "ElementRef": () => (/* binding */ ElementRef),
/* harmony export */   "EmbeddedViewRef": () => (/* binding */ EmbeddedViewRef),
/* harmony export */   "ErrorHandler": () => (/* binding */ ErrorHandler),
/* harmony export */   "EventEmitter": () => (/* binding */ EventEmitter),
/* harmony export */   "Host": () => (/* binding */ Host),
/* harmony export */   "HostBinding": () => (/* binding */ HostBinding),
/* harmony export */   "HostListener": () => (/* binding */ HostListener),
/* harmony export */   "INJECTOR": () => (/* binding */ INJECTOR$1),
/* harmony export */   "Inject": () => (/* binding */ Inject),
/* harmony export */   "InjectFlags": () => (/* binding */ InjectFlags),
/* harmony export */   "Injectable": () => (/* binding */ Injectable),
/* harmony export */   "InjectionToken": () => (/* binding */ InjectionToken),
/* harmony export */   "Injector": () => (/* binding */ Injector),
/* harmony export */   "Input": () => (/* binding */ Input),
/* harmony export */   "IterableDiffers": () => (/* binding */ IterableDiffers),
/* harmony export */   "KeyValueDiffers": () => (/* binding */ KeyValueDiffers),
/* harmony export */   "LOCALE_ID": () => (/* binding */ LOCALE_ID$1),
/* harmony export */   "MissingTranslationStrategy": () => (/* binding */ MissingTranslationStrategy),
/* harmony export */   "ModuleWithComponentFactories": () => (/* binding */ ModuleWithComponentFactories),
/* harmony export */   "NO_ERRORS_SCHEMA": () => (/* binding */ NO_ERRORS_SCHEMA),
/* harmony export */   "NgModule": () => (/* binding */ NgModule),
/* harmony export */   "NgModuleFactory": () => (/* binding */ NgModuleFactory),
/* harmony export */   "NgModuleFactoryLoader": () => (/* binding */ NgModuleFactoryLoader),
/* harmony export */   "NgModuleRef": () => (/* binding */ NgModuleRef),
/* harmony export */   "NgProbeToken": () => (/* binding */ NgProbeToken),
/* harmony export */   "NgZone": () => (/* binding */ NgZone),
/* harmony export */   "Optional": () => (/* binding */ Optional),
/* harmony export */   "Output": () => (/* binding */ Output),
/* harmony export */   "PACKAGE_ROOT_URL": () => (/* binding */ PACKAGE_ROOT_URL),
/* harmony export */   "PLATFORM_ID": () => (/* binding */ PLATFORM_ID),
/* harmony export */   "PLATFORM_INITIALIZER": () => (/* binding */ PLATFORM_INITIALIZER),
/* harmony export */   "Pipe": () => (/* binding */ Pipe),
/* harmony export */   "PlatformRef": () => (/* binding */ PlatformRef),
/* harmony export */   "Query": () => (/* binding */ Query),
/* harmony export */   "QueryList": () => (/* binding */ QueryList),
/* harmony export */   "ReflectiveInjector": () => (/* binding */ ReflectiveInjector),
/* harmony export */   "ReflectiveKey": () => (/* binding */ ReflectiveKey),
/* harmony export */   "Renderer2": () => (/* binding */ Renderer2),
/* harmony export */   "RendererFactory2": () => (/* binding */ RendererFactory2),
/* harmony export */   "RendererStyleFlags2": () => (/* binding */ RendererStyleFlags2),
/* harmony export */   "ResolvedReflectiveFactory": () => (/* binding */ ResolvedReflectiveFactory),
/* harmony export */   "Sanitizer": () => (/* binding */ Sanitizer),
/* harmony export */   "SecurityContext": () => (/* binding */ SecurityContext),
/* harmony export */   "Self": () => (/* binding */ Self),
/* harmony export */   "SimpleChange": () => (/* binding */ SimpleChange),
/* harmony export */   "SkipSelf": () => (/* binding */ SkipSelf),
/* harmony export */   "SystemJsNgModuleLoader": () => (/* binding */ SystemJsNgModuleLoader),
/* harmony export */   "SystemJsNgModuleLoaderConfig": () => (/* binding */ SystemJsNgModuleLoaderConfig),
/* harmony export */   "TRANSLATIONS": () => (/* binding */ TRANSLATIONS),
/* harmony export */   "TRANSLATIONS_FORMAT": () => (/* binding */ TRANSLATIONS_FORMAT),
/* harmony export */   "TemplateRef": () => (/* binding */ TemplateRef),
/* harmony export */   "Testability": () => (/* binding */ Testability),
/* harmony export */   "TestabilityRegistry": () => (/* binding */ TestabilityRegistry),
/* harmony export */   "Type": () => (/* binding */ Type),
/* harmony export */   "VERSION": () => (/* binding */ VERSION),
/* harmony export */   "Version": () => (/* binding */ Version),
/* harmony export */   "ViewChild": () => (/* binding */ ViewChild),
/* harmony export */   "ViewChildren": () => (/* binding */ ViewChildren),
/* harmony export */   "ViewContainerRef": () => (/* binding */ ViewContainerRef),
/* harmony export */   "ViewEncapsulation": () => (/* binding */ ViewEncapsulation),
/* harmony export */   "ViewRef": () => (/* binding */ ViewRef$1),
/* harmony export */   "WrappedValue": () => (/* binding */ WrappedValue),
/* harmony export */   "asNativeElements": () => (/* binding */ asNativeElements),
/* harmony export */   "assertPlatform": () => (/* binding */ assertPlatform),
/* harmony export */   "createPlatform": () => (/* binding */ createPlatform),
/* harmony export */   "createPlatformFactory": () => (/* binding */ createPlatformFactory),
/* harmony export */   "defineInjectable": () => (/* binding */ defineInjectable),
/* harmony export */   "destroyPlatform": () => (/* binding */ destroyPlatform),
/* harmony export */   "enableProdMode": () => (/* binding */ enableProdMode),
/* harmony export */   "forwardRef": () => (/* binding */ forwardRef),
/* harmony export */   "getDebugNode": () => (/* binding */ getDebugNode$1),
/* harmony export */   "getModuleFactory": () => (/* binding */ getModuleFactory),
/* harmony export */   "getPlatform": () => (/* binding */ getPlatform),
/* harmony export */   "inject": () => (/* binding */ inject),
/* harmony export */   "isDevMode": () => (/* binding */ isDevMode),
/* harmony export */   "platformCore": () => (/* binding */ platformCore),
/* harmony export */   "resolveForwardRef": () => (/* binding */ resolveForwardRef),
/* harmony export */   "setTestabilityGetter": () => (/* binding */ setTestabilityGetter),
/* harmony export */   "ɵ0": () => (/* binding */ ɵ0$3),
/* harmony export */   "ɵALLOW_MULTIPLE_PLATFORMS": () => (/* binding */ ALLOW_MULTIPLE_PLATFORMS),
/* harmony export */   "ɵAPP_ID_RANDOM_PROVIDER": () => (/* binding */ APP_ID_RANDOM_PROVIDER),
/* harmony export */   "ɵCREATE_ATTRIBUTE_DECORATOR__POST_R3__": () => (/* binding */ CREATE_ATTRIBUTE_DECORATOR__POST_R3__),
/* harmony export */   "ɵChangeDetectorStatus": () => (/* binding */ ChangeDetectorStatus),
/* harmony export */   "ɵCodegenComponentFactoryResolver": () => (/* binding */ CodegenComponentFactoryResolver),
/* harmony export */   "ɵCompiler_compileModuleAndAllComponentsAsync__POST_R3__": () => (/* binding */ Compiler_compileModuleAndAllComponentsAsync__POST_R3__),
/* harmony export */   "ɵCompiler_compileModuleAndAllComponentsSync__POST_R3__": () => (/* binding */ Compiler_compileModuleAndAllComponentsSync__POST_R3__),
/* harmony export */   "ɵCompiler_compileModuleAsync__POST_R3__": () => (/* binding */ Compiler_compileModuleAsync__POST_R3__),
/* harmony export */   "ɵCompiler_compileModuleSync__POST_R3__": () => (/* binding */ Compiler_compileModuleSync__POST_R3__),
/* harmony export */   "ɵComponentFactory": () => (/* binding */ ComponentFactory),
/* harmony export */   "ɵConsole": () => (/* binding */ Console),
/* harmony export */   "ɵDEFAULT_LOCALE_ID": () => (/* binding */ DEFAULT_LOCALE_ID),
/* harmony export */   "ɵEMPTY_ARRAY": () => (/* binding */ EMPTY_ARRAY),
/* harmony export */   "ɵEMPTY_MAP": () => (/* binding */ EMPTY_MAP),
/* harmony export */   "ɵINJECTOR_IMPL__POST_R3__": () => (/* binding */ INJECTOR_IMPL__POST_R3__),
/* harmony export */   "ɵINJECTOR_SCOPE": () => (/* binding */ INJECTOR_SCOPE),
/* harmony export */   "ɵLifecycleHooksFeature": () => (/* binding */ LifecycleHooksFeature),
/* harmony export */   "ɵLocaleDataIndex": () => (/* binding */ LocaleDataIndex),
/* harmony export */   "ɵNG_COMP_DEF": () => (/* binding */ NG_COMP_DEF),
/* harmony export */   "ɵNG_DIR_DEF": () => (/* binding */ NG_DIR_DEF),
/* harmony export */   "ɵNG_ELEMENT_ID": () => (/* binding */ NG_ELEMENT_ID),
/* harmony export */   "ɵNG_INJ_DEF": () => (/* binding */ NG_INJ_DEF),
/* harmony export */   "ɵNG_MOD_DEF": () => (/* binding */ NG_MOD_DEF),
/* harmony export */   "ɵNG_PIPE_DEF": () => (/* binding */ NG_PIPE_DEF),
/* harmony export */   "ɵNG_PROV_DEF": () => (/* binding */ NG_PROV_DEF),
/* harmony export */   "ɵNOT_FOUND_CHECK_ONLY_ELEMENT_INJECTOR": () => (/* binding */ NOT_FOUND_CHECK_ONLY_ELEMENT_INJECTOR),
/* harmony export */   "ɵNO_CHANGE": () => (/* binding */ NO_CHANGE),
/* harmony export */   "ɵNgModuleFactory": () => (/* binding */ NgModuleFactory$1),
/* harmony export */   "ɵNoopNgZone": () => (/* binding */ NoopNgZone),
/* harmony export */   "ɵReflectionCapabilities": () => (/* binding */ ReflectionCapabilities),
/* harmony export */   "ɵRender3ComponentFactory": () => (/* binding */ ComponentFactory$1),
/* harmony export */   "ɵRender3ComponentRef": () => (/* binding */ ComponentRef$1),
/* harmony export */   "ɵRender3NgModuleRef": () => (/* binding */ NgModuleRef$1),
/* harmony export */   "ɵRuntimeError": () => (/* binding */ RuntimeError),
/* harmony export */   "ɵSWITCH_CHANGE_DETECTOR_REF_FACTORY__POST_R3__": () => (/* binding */ SWITCH_CHANGE_DETECTOR_REF_FACTORY__POST_R3__),
/* harmony export */   "ɵSWITCH_COMPILE_COMPONENT__POST_R3__": () => (/* binding */ SWITCH_COMPILE_COMPONENT__POST_R3__),
/* harmony export */   "ɵSWITCH_COMPILE_DIRECTIVE__POST_R3__": () => (/* binding */ SWITCH_COMPILE_DIRECTIVE__POST_R3__),
/* harmony export */   "ɵSWITCH_COMPILE_INJECTABLE__POST_R3__": () => (/* binding */ SWITCH_COMPILE_INJECTABLE__POST_R3__),
/* harmony export */   "ɵSWITCH_COMPILE_NGMODULE__POST_R3__": () => (/* binding */ SWITCH_COMPILE_NGMODULE__POST_R3__),
/* harmony export */   "ɵSWITCH_COMPILE_PIPE__POST_R3__": () => (/* binding */ SWITCH_COMPILE_PIPE__POST_R3__),
/* harmony export */   "ɵSWITCH_ELEMENT_REF_FACTORY__POST_R3__": () => (/* binding */ SWITCH_ELEMENT_REF_FACTORY__POST_R3__),
/* harmony export */   "ɵSWITCH_IVY_ENABLED__POST_R3__": () => (/* binding */ SWITCH_IVY_ENABLED__POST_R3__),
/* harmony export */   "ɵSWITCH_RENDERER2_FACTORY__POST_R3__": () => (/* binding */ SWITCH_RENDERER2_FACTORY__POST_R3__),
/* harmony export */   "ɵSWITCH_TEMPLATE_REF_FACTORY__POST_R3__": () => (/* binding */ SWITCH_TEMPLATE_REF_FACTORY__POST_R3__),
/* harmony export */   "ɵSWITCH_VIEW_CONTAINER_REF_FACTORY__POST_R3__": () => (/* binding */ SWITCH_VIEW_CONTAINER_REF_FACTORY__POST_R3__),
/* harmony export */   "ɵ_sanitizeHtml": () => (/* binding */ _sanitizeHtml),
/* harmony export */   "ɵ_sanitizeUrl": () => (/* binding */ _sanitizeUrl),
/* harmony export */   "ɵallowSanitizationBypassAndThrow": () => (/* binding */ allowSanitizationBypassAndThrow),
/* harmony export */   "ɵand": () => (/* binding */ anchorDef),
/* harmony export */   "ɵangular_packages_core_core_a": () => (/* binding */ isForwardRef),
/* harmony export */   "ɵangular_packages_core_core_b": () => (/* binding */ injectInjectorOnly),
/* harmony export */   "ɵangular_packages_core_core_ba": () => (/* binding */ zoneSchedulerFactory),
/* harmony export */   "ɵangular_packages_core_core_bb": () => (/* binding */ USD_CURRENCY_CODE),
/* harmony export */   "ɵangular_packages_core_core_bc": () => (/* binding */ _def),
/* harmony export */   "ɵangular_packages_core_core_bd": () => (/* binding */ DebugContext),
/* harmony export */   "ɵangular_packages_core_core_be": () => (/* binding */ NgOnChangesFeatureImpl),
/* harmony export */   "ɵangular_packages_core_core_bf": () => (/* binding */ SCHEDULER),
/* harmony export */   "ɵangular_packages_core_core_bg": () => (/* binding */ injectAttributeImpl),
/* harmony export */   "ɵangular_packages_core_core_bh": () => (/* binding */ getLView),
/* harmony export */   "ɵangular_packages_core_core_bi": () => (/* binding */ getBindingRoot),
/* harmony export */   "ɵangular_packages_core_core_bj": () => (/* binding */ nextContextImpl),
/* harmony export */   "ɵangular_packages_core_core_bl": () => (/* binding */ pureFunction1Internal),
/* harmony export */   "ɵangular_packages_core_core_bm": () => (/* binding */ pureFunction2Internal),
/* harmony export */   "ɵangular_packages_core_core_bn": () => (/* binding */ pureFunction3Internal),
/* harmony export */   "ɵangular_packages_core_core_bo": () => (/* binding */ pureFunction4Internal),
/* harmony export */   "ɵangular_packages_core_core_bp": () => (/* binding */ pureFunctionVInternal),
/* harmony export */   "ɵangular_packages_core_core_bq": () => (/* binding */ getUrlSanitizer),
/* harmony export */   "ɵangular_packages_core_core_br": () => (/* binding */ makePropDecorator),
/* harmony export */   "ɵangular_packages_core_core_bs": () => (/* binding */ makeParamDecorator),
/* harmony export */   "ɵangular_packages_core_core_bv": () => (/* binding */ getClosureSafeProperty),
/* harmony export */   "ɵangular_packages_core_core_bw": () => (/* binding */ NullInjector),
/* harmony export */   "ɵangular_packages_core_core_bx": () => (/* binding */ getInjectImplementation),
/* harmony export */   "ɵangular_packages_core_core_bz": () => (/* binding */ getNativeByTNode),
/* harmony export */   "ɵangular_packages_core_core_c": () => (/* binding */ attachInjectFlag),
/* harmony export */   "ɵangular_packages_core_core_cb": () => (/* binding */ getRootContext),
/* harmony export */   "ɵangular_packages_core_core_cc": () => (/* binding */ i18nPostprocess),
/* harmony export */   "ɵangular_packages_core_core_d": () => (/* binding */ ReflectiveInjector_),
/* harmony export */   "ɵangular_packages_core_core_e": () => (/* binding */ ReflectiveDependency),
/* harmony export */   "ɵangular_packages_core_core_f": () => (/* binding */ resolveReflectiveProviders),
/* harmony export */   "ɵangular_packages_core_core_g": () => (/* binding */ _appIdRandomProviderFactory),
/* harmony export */   "ɵangular_packages_core_core_h": () => (/* binding */ injectRenderer2),
/* harmony export */   "ɵangular_packages_core_core_i": () => (/* binding */ injectElementRef),
/* harmony export */   "ɵangular_packages_core_core_j": () => (/* binding */ createElementRef),
/* harmony export */   "ɵangular_packages_core_core_k": () => (/* binding */ getModuleFactory__PRE_R3__),
/* harmony export */   "ɵangular_packages_core_core_l": () => (/* binding */ injectTemplateRef),
/* harmony export */   "ɵangular_packages_core_core_m": () => (/* binding */ createTemplateRef),
/* harmony export */   "ɵangular_packages_core_core_n": () => (/* binding */ injectViewContainerRef),
/* harmony export */   "ɵangular_packages_core_core_o": () => (/* binding */ DebugNode__PRE_R3__),
/* harmony export */   "ɵangular_packages_core_core_p": () => (/* binding */ DebugElement__PRE_R3__),
/* harmony export */   "ɵangular_packages_core_core_q": () => (/* binding */ getDebugNodeR2__PRE_R3__),
/* harmony export */   "ɵangular_packages_core_core_r": () => (/* binding */ injectChangeDetectorRef),
/* harmony export */   "ɵangular_packages_core_core_s": () => (/* binding */ DefaultIterableDifferFactory),
/* harmony export */   "ɵangular_packages_core_core_t": () => (/* binding */ DefaultKeyValueDifferFactory),
/* harmony export */   "ɵangular_packages_core_core_u": () => (/* binding */ defaultIterableDiffersFactory),
/* harmony export */   "ɵangular_packages_core_core_v": () => (/* binding */ defaultKeyValueDiffersFactory),
/* harmony export */   "ɵangular_packages_core_core_w": () => (/* binding */ _iterableDiffersFactory),
/* harmony export */   "ɵangular_packages_core_core_x": () => (/* binding */ _keyValueDiffersFactory),
/* harmony export */   "ɵangular_packages_core_core_y": () => (/* binding */ _localeFactory),
/* harmony export */   "ɵangular_packages_core_core_z": () => (/* binding */ APPLICATION_MODULE_PROVIDERS),
/* harmony export */   "ɵbypassSanitizationTrustHtml": () => (/* binding */ bypassSanitizationTrustHtml),
/* harmony export */   "ɵbypassSanitizationTrustResourceUrl": () => (/* binding */ bypassSanitizationTrustResourceUrl),
/* harmony export */   "ɵbypassSanitizationTrustScript": () => (/* binding */ bypassSanitizationTrustScript),
/* harmony export */   "ɵbypassSanitizationTrustStyle": () => (/* binding */ bypassSanitizationTrustStyle),
/* harmony export */   "ɵbypassSanitizationTrustUrl": () => (/* binding */ bypassSanitizationTrustUrl),
/* harmony export */   "ɵccf": () => (/* binding */ createComponentFactory),
/* harmony export */   "ɵclearOverrides": () => (/* binding */ clearOverrides),
/* harmony export */   "ɵclearResolutionOfComponentResourcesQueue": () => (/* binding */ clearResolutionOfComponentResourcesQueue),
/* harmony export */   "ɵcmf": () => (/* binding */ createNgModuleFactory),
/* harmony export */   "ɵcompileComponent": () => (/* binding */ compileComponent),
/* harmony export */   "ɵcompileDirective": () => (/* binding */ compileDirective),
/* harmony export */   "ɵcompileNgModule": () => (/* binding */ compileNgModule),
/* harmony export */   "ɵcompileNgModuleDefs": () => (/* binding */ compileNgModuleDefs),
/* harmony export */   "ɵcompileNgModuleFactory__POST_R3__": () => (/* binding */ compileNgModuleFactory__POST_R3__),
/* harmony export */   "ɵcompilePipe": () => (/* binding */ compilePipe),
/* harmony export */   "ɵcreateInjector": () => (/* binding */ createInjector),
/* harmony export */   "ɵcrt": () => (/* binding */ createRendererType2),
/* harmony export */   "ɵdefaultIterableDiffers": () => (/* binding */ defaultIterableDiffers),
/* harmony export */   "ɵdefaultKeyValueDiffers": () => (/* binding */ defaultKeyValueDiffers),
/* harmony export */   "ɵdetectChanges": () => (/* binding */ detectChanges),
/* harmony export */   "ɵdevModeEqual": () => (/* binding */ devModeEqual),
/* harmony export */   "ɵdid": () => (/* binding */ directiveDef),
/* harmony export */   "ɵeld": () => (/* binding */ elementDef),
/* harmony export */   "ɵfindLocaleData": () => (/* binding */ findLocaleData),
/* harmony export */   "ɵflushModuleScopingQueueAsMuchAsPossible": () => (/* binding */ flushModuleScopingQueueAsMuchAsPossible),
/* harmony export */   "ɵgetComponentViewDefinitionFactory": () => (/* binding */ getComponentViewDefinitionFactory),
/* harmony export */   "ɵgetDebugNodeR2": () => (/* binding */ getDebugNodeR2),
/* harmony export */   "ɵgetDebugNode__POST_R3__": () => (/* binding */ getDebugNode__POST_R3__),
/* harmony export */   "ɵgetDirectives": () => (/* binding */ getDirectives),
/* harmony export */   "ɵgetHostElement": () => (/* binding */ getHostElement),
/* harmony export */   "ɵgetInjectableDef": () => (/* binding */ getInjectableDef),
/* harmony export */   "ɵgetLContext": () => (/* binding */ getLContext),
/* harmony export */   "ɵgetLocaleCurrencyCode": () => (/* binding */ getLocaleCurrencyCode),
/* harmony export */   "ɵgetLocalePluralCase": () => (/* binding */ getLocalePluralCase),
/* harmony export */   "ɵgetModuleFactory__POST_R3__": () => (/* binding */ getModuleFactory__POST_R3__),
/* harmony export */   "ɵgetSanitizationBypassType": () => (/* binding */ getSanitizationBypassType),
/* harmony export */   "ɵglobal": () => (/* binding */ _global),
/* harmony export */   "ɵinitServicesIfNeeded": () => (/* binding */ initServicesIfNeeded),
/* harmony export */   "ɵinlineInterpolate": () => (/* binding */ inlineInterpolate),
/* harmony export */   "ɵinterpolate": () => (/* binding */ interpolate),
/* harmony export */   "ɵisBoundToModule__POST_R3__": () => (/* binding */ isBoundToModule__POST_R3__),
/* harmony export */   "ɵisDefaultChangeDetectionStrategy": () => (/* binding */ isDefaultChangeDetectionStrategy),
/* harmony export */   "ɵisListLikeIterable": () => (/* binding */ isListLikeIterable),
/* harmony export */   "ɵisObservable": () => (/* binding */ isObservable),
/* harmony export */   "ɵisPromise": () => (/* binding */ isPromise),
/* harmony export */   "ɵisSubscribable": () => (/* binding */ isSubscribable),
/* harmony export */   "ɵivyEnabled": () => (/* binding */ ivyEnabled),
/* harmony export */   "ɵmakeDecorator": () => (/* binding */ makeDecorator),
/* harmony export */   "ɵmarkDirty": () => (/* binding */ markDirty),
/* harmony export */   "ɵmod": () => (/* binding */ moduleDef),
/* harmony export */   "ɵmpd": () => (/* binding */ moduleProvideDef),
/* harmony export */   "ɵncd": () => (/* binding */ ngContentDef),
/* harmony export */   "ɵnoSideEffects": () => (/* binding */ noSideEffects),
/* harmony export */   "ɵnov": () => (/* binding */ nodeValue),
/* harmony export */   "ɵoverrideComponentView": () => (/* binding */ overrideComponentView),
/* harmony export */   "ɵoverrideProvider": () => (/* binding */ overrideProvider),
/* harmony export */   "ɵpad": () => (/* binding */ pureArrayDef),
/* harmony export */   "ɵpatchComponentDefWithScope": () => (/* binding */ patchComponentDefWithScope),
/* harmony export */   "ɵpid": () => (/* binding */ pipeDef),
/* harmony export */   "ɵpod": () => (/* binding */ pureObjectDef),
/* harmony export */   "ɵppd": () => (/* binding */ purePipeDef),
/* harmony export */   "ɵprd": () => (/* binding */ providerDef),
/* harmony export */   "ɵpublishDefaultGlobalUtils": () => (/* binding */ publishDefaultGlobalUtils),
/* harmony export */   "ɵpublishGlobalUtil": () => (/* binding */ publishGlobalUtil),
/* harmony export */   "ɵqud": () => (/* binding */ queryDef),
/* harmony export */   "ɵregisterLocaleData": () => (/* binding */ registerLocaleData),
/* harmony export */   "ɵregisterModuleFactory": () => (/* binding */ registerModuleFactory),
/* harmony export */   "ɵregisterNgModuleType": () => (/* binding */ registerNgModuleType),
/* harmony export */   "ɵrenderComponent": () => (/* binding */ renderComponent$1),
/* harmony export */   "ɵresetCompiledComponents": () => (/* binding */ resetCompiledComponents),
/* harmony export */   "ɵresetJitOptions": () => (/* binding */ resetJitOptions),
/* harmony export */   "ɵresolveComponentResources": () => (/* binding */ resolveComponentResources),
/* harmony export */   "ɵsetClassMetadata": () => (/* binding */ setClassMetadata),
/* harmony export */   "ɵsetCurrentInjector": () => (/* binding */ setCurrentInjector),
/* harmony export */   "ɵsetDocument": () => (/* binding */ setDocument),
/* harmony export */   "ɵsetLocaleId": () => (/* binding */ setLocaleId),
/* harmony export */   "ɵstore": () => (/* binding */ store),
/* harmony export */   "ɵstringify": () => (/* binding */ stringify),
/* harmony export */   "ɵted": () => (/* binding */ textDef),
/* harmony export */   "ɵtransitiveScopesFor": () => (/* binding */ transitiveScopesFor),
/* harmony export */   "ɵunregisterLocaleData": () => (/* binding */ unregisterAllLocaleData),
/* harmony export */   "ɵunv": () => (/* binding */ unwrapValue),
/* harmony export */   "ɵunwrapSafeValue": () => (/* binding */ unwrapSafeValue),
/* harmony export */   "ɵvid": () => (/* binding */ viewDef),
/* harmony export */   "ɵwhenRendered": () => (/* binding */ whenRendered),
/* harmony export */   "ɵɵCopyDefinitionFeature": () => (/* binding */ ɵɵCopyDefinitionFeature),
/* harmony export */   "ɵɵFactoryTarget": () => (/* binding */ FactoryTarget),
/* harmony export */   "ɵɵInheritDefinitionFeature": () => (/* binding */ ɵɵInheritDefinitionFeature),
/* harmony export */   "ɵɵNgOnChangesFeature": () => (/* binding */ ɵɵNgOnChangesFeature),
/* harmony export */   "ɵɵProvidersFeature": () => (/* binding */ ɵɵProvidersFeature),
/* harmony export */   "ɵɵadvance": () => (/* binding */ ɵɵadvance),
/* harmony export */   "ɵɵattribute": () => (/* binding */ ɵɵattribute),
/* harmony export */   "ɵɵattributeInterpolate1": () => (/* binding */ ɵɵattributeInterpolate1),
/* harmony export */   "ɵɵattributeInterpolate2": () => (/* binding */ ɵɵattributeInterpolate2),
/* harmony export */   "ɵɵattributeInterpolate3": () => (/* binding */ ɵɵattributeInterpolate3),
/* harmony export */   "ɵɵattributeInterpolate4": () => (/* binding */ ɵɵattributeInterpolate4),
/* harmony export */   "ɵɵattributeInterpolate5": () => (/* binding */ ɵɵattributeInterpolate5),
/* harmony export */   "ɵɵattributeInterpolate6": () => (/* binding */ ɵɵattributeInterpolate6),
/* harmony export */   "ɵɵattributeInterpolate7": () => (/* binding */ ɵɵattributeInterpolate7),
/* harmony export */   "ɵɵattributeInterpolate8": () => (/* binding */ ɵɵattributeInterpolate8),
/* harmony export */   "ɵɵattributeInterpolateV": () => (/* binding */ ɵɵattributeInterpolateV),
/* harmony export */   "ɵɵclassMap": () => (/* binding */ ɵɵclassMap),
/* harmony export */   "ɵɵclassMapInterpolate1": () => (/* binding */ ɵɵclassMapInterpolate1),
/* harmony export */   "ɵɵclassMapInterpolate2": () => (/* binding */ ɵɵclassMapInterpolate2),
/* harmony export */   "ɵɵclassMapInterpolate3": () => (/* binding */ ɵɵclassMapInterpolate3),
/* harmony export */   "ɵɵclassMapInterpolate4": () => (/* binding */ ɵɵclassMapInterpolate4),
/* harmony export */   "ɵɵclassMapInterpolate5": () => (/* binding */ ɵɵclassMapInterpolate5),
/* harmony export */   "ɵɵclassMapInterpolate6": () => (/* binding */ ɵɵclassMapInterpolate6),
/* harmony export */   "ɵɵclassMapInterpolate7": () => (/* binding */ ɵɵclassMapInterpolate7),
/* harmony export */   "ɵɵclassMapInterpolate8": () => (/* binding */ ɵɵclassMapInterpolate8),
/* harmony export */   "ɵɵclassMapInterpolateV": () => (/* binding */ ɵɵclassMapInterpolateV),
/* harmony export */   "ɵɵclassProp": () => (/* binding */ ɵɵclassProp),
/* harmony export */   "ɵɵcontentQuery": () => (/* binding */ ɵɵcontentQuery),
/* harmony export */   "ɵɵdefineComponent": () => (/* binding */ ɵɵdefineComponent),
/* harmony export */   "ɵɵdefineDirective": () => (/* binding */ ɵɵdefineDirective),
/* harmony export */   "ɵɵdefineInjectable": () => (/* binding */ ɵɵdefineInjectable),
/* harmony export */   "ɵɵdefineInjector": () => (/* binding */ ɵɵdefineInjector),
/* harmony export */   "ɵɵdefineNgModule": () => (/* binding */ ɵɵdefineNgModule),
/* harmony export */   "ɵɵdefinePipe": () => (/* binding */ ɵɵdefinePipe),
/* harmony export */   "ɵɵdirectiveInject": () => (/* binding */ ɵɵdirectiveInject),
/* harmony export */   "ɵɵdisableBindings": () => (/* binding */ ɵɵdisableBindings),
/* harmony export */   "ɵɵelement": () => (/* binding */ ɵɵelement),
/* harmony export */   "ɵɵelementContainer": () => (/* binding */ ɵɵelementContainer),
/* harmony export */   "ɵɵelementContainerEnd": () => (/* binding */ ɵɵelementContainerEnd),
/* harmony export */   "ɵɵelementContainerStart": () => (/* binding */ ɵɵelementContainerStart),
/* harmony export */   "ɵɵelementEnd": () => (/* binding */ ɵɵelementEnd),
/* harmony export */   "ɵɵelementStart": () => (/* binding */ ɵɵelementStart),
/* harmony export */   "ɵɵenableBindings": () => (/* binding */ ɵɵenableBindings),
/* harmony export */   "ɵɵgetCurrentView": () => (/* binding */ ɵɵgetCurrentView),
/* harmony export */   "ɵɵgetInheritedFactory": () => (/* binding */ ɵɵgetInheritedFactory),
/* harmony export */   "ɵɵhostProperty": () => (/* binding */ ɵɵhostProperty),
/* harmony export */   "ɵɵi18n": () => (/* binding */ ɵɵi18n),
/* harmony export */   "ɵɵi18nApply": () => (/* binding */ ɵɵi18nApply),
/* harmony export */   "ɵɵi18nAttributes": () => (/* binding */ ɵɵi18nAttributes),
/* harmony export */   "ɵɵi18nEnd": () => (/* binding */ ɵɵi18nEnd),
/* harmony export */   "ɵɵi18nExp": () => (/* binding */ ɵɵi18nExp),
/* harmony export */   "ɵɵi18nPostprocess": () => (/* binding */ ɵɵi18nPostprocess),
/* harmony export */   "ɵɵi18nStart": () => (/* binding */ ɵɵi18nStart),
/* harmony export */   "ɵɵinject": () => (/* binding */ ɵɵinject),
/* harmony export */   "ɵɵinjectAttribute": () => (/* binding */ ɵɵinjectAttribute),
/* harmony export */   "ɵɵinvalidFactory": () => (/* binding */ ɵɵinvalidFactory),
/* harmony export */   "ɵɵinvalidFactoryDep": () => (/* binding */ ɵɵinvalidFactoryDep),
/* harmony export */   "ɵɵlistener": () => (/* binding */ ɵɵlistener),
/* harmony export */   "ɵɵloadQuery": () => (/* binding */ ɵɵloadQuery),
/* harmony export */   "ɵɵnamespaceHTML": () => (/* binding */ ɵɵnamespaceHTML),
/* harmony export */   "ɵɵnamespaceMathML": () => (/* binding */ ɵɵnamespaceMathML),
/* harmony export */   "ɵɵnamespaceSVG": () => (/* binding */ ɵɵnamespaceSVG),
/* harmony export */   "ɵɵnextContext": () => (/* binding */ ɵɵnextContext),
/* harmony export */   "ɵɵngDeclareClassMetadata": () => (/* binding */ ɵɵngDeclareClassMetadata),
/* harmony export */   "ɵɵngDeclareComponent": () => (/* binding */ ɵɵngDeclareComponent),
/* harmony export */   "ɵɵngDeclareDirective": () => (/* binding */ ɵɵngDeclareDirective),
/* harmony export */   "ɵɵngDeclareFactory": () => (/* binding */ ɵɵngDeclareFactory),
/* harmony export */   "ɵɵngDeclareInjectable": () => (/* binding */ ɵɵngDeclareInjectable),
/* harmony export */   "ɵɵngDeclareInjector": () => (/* binding */ ɵɵngDeclareInjector),
/* harmony export */   "ɵɵngDeclareNgModule": () => (/* binding */ ɵɵngDeclareNgModule),
/* harmony export */   "ɵɵngDeclarePipe": () => (/* binding */ ɵɵngDeclarePipe),
/* harmony export */   "ɵɵpipe": () => (/* binding */ ɵɵpipe),
/* harmony export */   "ɵɵpipeBind1": () => (/* binding */ ɵɵpipeBind1),
/* harmony export */   "ɵɵpipeBind2": () => (/* binding */ ɵɵpipeBind2),
/* harmony export */   "ɵɵpipeBind3": () => (/* binding */ ɵɵpipeBind3),
/* harmony export */   "ɵɵpipeBind4": () => (/* binding */ ɵɵpipeBind4),
/* harmony export */   "ɵɵpipeBindV": () => (/* binding */ ɵɵpipeBindV),
/* harmony export */   "ɵɵprojection": () => (/* binding */ ɵɵprojection),
/* harmony export */   "ɵɵprojectionDef": () => (/* binding */ ɵɵprojectionDef),
/* harmony export */   "ɵɵproperty": () => (/* binding */ ɵɵproperty),
/* harmony export */   "ɵɵpropertyInterpolate": () => (/* binding */ ɵɵpropertyInterpolate),
/* harmony export */   "ɵɵpropertyInterpolate1": () => (/* binding */ ɵɵpropertyInterpolate1),
/* harmony export */   "ɵɵpropertyInterpolate2": () => (/* binding */ ɵɵpropertyInterpolate2),
/* harmony export */   "ɵɵpropertyInterpolate3": () => (/* binding */ ɵɵpropertyInterpolate3),
/* harmony export */   "ɵɵpropertyInterpolate4": () => (/* binding */ ɵɵpropertyInterpolate4),
/* harmony export */   "ɵɵpropertyInterpolate5": () => (/* binding */ ɵɵpropertyInterpolate5),
/* harmony export */   "ɵɵpropertyInterpolate6": () => (/* binding */ ɵɵpropertyInterpolate6),
/* harmony export */   "ɵɵpropertyInterpolate7": () => (/* binding */ ɵɵpropertyInterpolate7),
/* harmony export */   "ɵɵpropertyInterpolate8": () => (/* binding */ ɵɵpropertyInterpolate8),
/* harmony export */   "ɵɵpropertyInterpolateV": () => (/* binding */ ɵɵpropertyInterpolateV),
/* harmony export */   "ɵɵpureFunction0": () => (/* binding */ ɵɵpureFunction0),
/* harmony export */   "ɵɵpureFunction1": () => (/* binding */ ɵɵpureFunction1),
/* harmony export */   "ɵɵpureFunction2": () => (/* binding */ ɵɵpureFunction2),
/* harmony export */   "ɵɵpureFunction3": () => (/* binding */ ɵɵpureFunction3),
/* harmony export */   "ɵɵpureFunction4": () => (/* binding */ ɵɵpureFunction4),
/* harmony export */   "ɵɵpureFunction5": () => (/* binding */ ɵɵpureFunction5),
/* harmony export */   "ɵɵpureFunction6": () => (/* binding */ ɵɵpureFunction6),
/* harmony export */   "ɵɵpureFunction7": () => (/* binding */ ɵɵpureFunction7),
/* harmony export */   "ɵɵpureFunction8": () => (/* binding */ ɵɵpureFunction8),
/* harmony export */   "ɵɵpureFunctionV": () => (/* binding */ ɵɵpureFunctionV),
/* harmony export */   "ɵɵqueryRefresh": () => (/* binding */ ɵɵqueryRefresh),
/* harmony export */   "ɵɵreference": () => (/* binding */ ɵɵreference),
/* harmony export */   "ɵɵresolveBody": () => (/* binding */ ɵɵresolveBody),
/* harmony export */   "ɵɵresolveDocument": () => (/* binding */ ɵɵresolveDocument),
/* harmony export */   "ɵɵresolveWindow": () => (/* binding */ ɵɵresolveWindow),
/* harmony export */   "ɵɵrestoreView": () => (/* binding */ ɵɵrestoreView),
/* harmony export */   "ɵɵsanitizeHtml": () => (/* binding */ ɵɵsanitizeHtml),
/* harmony export */   "ɵɵsanitizeResourceUrl": () => (/* binding */ ɵɵsanitizeResourceUrl),
/* harmony export */   "ɵɵsanitizeScript": () => (/* binding */ ɵɵsanitizeScript),
/* harmony export */   "ɵɵsanitizeStyle": () => (/* binding */ ɵɵsanitizeStyle),
/* harmony export */   "ɵɵsanitizeUrl": () => (/* binding */ ɵɵsanitizeUrl),
/* harmony export */   "ɵɵsanitizeUrlOrResourceUrl": () => (/* binding */ ɵɵsanitizeUrlOrResourceUrl),
/* harmony export */   "ɵɵsetComponentScope": () => (/* binding */ ɵɵsetComponentScope),
/* harmony export */   "ɵɵsetNgModuleScope": () => (/* binding */ ɵɵsetNgModuleScope),
/* harmony export */   "ɵɵstyleMap": () => (/* binding */ ɵɵstyleMap),
/* harmony export */   "ɵɵstyleMapInterpolate1": () => (/* binding */ ɵɵstyleMapInterpolate1),
/* harmony export */   "ɵɵstyleMapInterpolate2": () => (/* binding */ ɵɵstyleMapInterpolate2),
/* harmony export */   "ɵɵstyleMapInterpolate3": () => (/* binding */ ɵɵstyleMapInterpolate3),
/* harmony export */   "ɵɵstyleMapInterpolate4": () => (/* binding */ ɵɵstyleMapInterpolate4),
/* harmony export */   "ɵɵstyleMapInterpolate5": () => (/* binding */ ɵɵstyleMapInterpolate5),
/* harmony export */   "ɵɵstyleMapInterpolate6": () => (/* binding */ ɵɵstyleMapInterpolate6),
/* harmony export */   "ɵɵstyleMapInterpolate7": () => (/* binding */ ɵɵstyleMapInterpolate7),
/* harmony export */   "ɵɵstyleMapInterpolate8": () => (/* binding */ ɵɵstyleMapInterpolate8),
/* harmony export */   "ɵɵstyleMapInterpolateV": () => (/* binding */ ɵɵstyleMapInterpolateV),
/* harmony export */   "ɵɵstyleProp": () => (/* binding */ ɵɵstyleProp),
/* harmony export */   "ɵɵstylePropInterpolate1": () => (/* binding */ ɵɵstylePropInterpolate1),
/* harmony export */   "ɵɵstylePropInterpolate2": () => (/* binding */ ɵɵstylePropInterpolate2),
/* harmony export */   "ɵɵstylePropInterpolate3": () => (/* binding */ ɵɵstylePropInterpolate3),
/* harmony export */   "ɵɵstylePropInterpolate4": () => (/* binding */ ɵɵstylePropInterpolate4),
/* harmony export */   "ɵɵstylePropInterpolate5": () => (/* binding */ ɵɵstylePropInterpolate5),
/* harmony export */   "ɵɵstylePropInterpolate6": () => (/* binding */ ɵɵstylePropInterpolate6),
/* harmony export */   "ɵɵstylePropInterpolate7": () => (/* binding */ ɵɵstylePropInterpolate7),
/* harmony export */   "ɵɵstylePropInterpolate8": () => (/* binding */ ɵɵstylePropInterpolate8),
/* harmony export */   "ɵɵstylePropInterpolateV": () => (/* binding */ ɵɵstylePropInterpolateV),
/* harmony export */   "ɵɵsyntheticHostListener": () => (/* binding */ ɵɵsyntheticHostListener),
/* harmony export */   "ɵɵsyntheticHostProperty": () => (/* binding */ ɵɵsyntheticHostProperty),
/* harmony export */   "ɵɵtemplate": () => (/* binding */ ɵɵtemplate),
/* harmony export */   "ɵɵtemplateRefExtractor": () => (/* binding */ ɵɵtemplateRefExtractor),
/* harmony export */   "ɵɵtext": () => (/* binding */ ɵɵtext),
/* harmony export */   "ɵɵtextInterpolate": () => (/* binding */ ɵɵtextInterpolate),
/* harmony export */   "ɵɵtextInterpolate1": () => (/* binding */ ɵɵtextInterpolate1),
/* harmony export */   "ɵɵtextInterpolate2": () => (/* binding */ ɵɵtextInterpolate2),
/* harmony export */   "ɵɵtextInterpolate3": () => (/* binding */ ɵɵtextInterpolate3),
/* harmony export */   "ɵɵtextInterpolate4": () => (/* binding */ ɵɵtextInterpolate4),
/* harmony export */   "ɵɵtextInterpolate5": () => (/* binding */ ɵɵtextInterpolate5),
/* harmony export */   "ɵɵtextInterpolate6": () => (/* binding */ ɵɵtextInterpolate6),
/* harmony export */   "ɵɵtextInterpolate7": () => (/* binding */ ɵɵtextInterpolate7),
/* harmony export */   "ɵɵtextInterpolate8": () => (/* binding */ ɵɵtextInterpolate8),
/* harmony export */   "ɵɵtextInterpolateV": () => (/* binding */ ɵɵtextInterpolateV),
/* harmony export */   "ɵɵtrustConstantHtml": () => (/* binding */ ɵɵtrustConstantHtml),
/* harmony export */   "ɵɵtrustConstantResourceUrl": () => (/* binding */ ɵɵtrustConstantResourceUrl),
/* harmony export */   "ɵɵviewQuery": () => (/* binding */ ɵɵviewQuery)
/* harmony export */ });
/* harmony import */ var rxjs__WEBPACK_IMPORTED_MODULE_0__ = __webpack_require__(/*! rxjs */ 9765);
/* harmony import */ var rxjs__WEBPACK_IMPORTED_MODULE_1__ = __webpack_require__(/*! rxjs */ 826);
/* harmony import */ var rxjs__WEBPACK_IMPORTED_MODULE_2__ = __webpack_require__(/*! rxjs */ 9165);
/* harmony import */ var rxjs__WEBPACK_IMPORTED_MODULE_3__ = __webpack_require__(/*! rxjs */ 6682);
/* harmony import */ var rxjs_operators__WEBPACK_IMPORTED_MODULE_4__ = __webpack_require__(/*! rxjs/operators */ 8345);
/**
 * @license Angular v12.1.5
 * (c) 2010-2021 Google LLC. https://angular.io/
 * License: MIT
 */




/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
function getClosureSafeProperty(objWithPropertyToExtract) {
    for (let key in objWithPropertyToExtract) {
        if (objWithPropertyToExtract[key] === getClosureSafeProperty) {
            return key;
        }
    }
    throw Error('Could not find renamed property on target object.');
}
/**
 * Sets properties on a target object from a source object, but only if
 * the property doesn't already exist on the target object.
 * @param target The target to set properties on
 * @param source The source of the property keys and values to set
 */
function fillProperties(target, source) {
    for (const key in source) {
        if (source.hasOwnProperty(key) && !target.hasOwnProperty(key)) {
            target[key] = source[key];
        }
    }
}

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
function stringify(token) {
    if (typeof token === 'string') {
        return token;
    }
    if (Array.isArray(token)) {
        return '[' + token.map(stringify).join(', ') + ']';
    }
    if (token == null) {
        return '' + token;
    }
    if (token.overriddenName) {
        return `${token.overriddenName}`;
    }
    if (token.name) {
        return `${token.name}`;
    }
    const res = token.toString();
    if (res == null) {
        return '' + res;
    }
    const newLineIndex = res.indexOf('\n');
    return newLineIndex === -1 ? res : res.substring(0, newLineIndex);
}
/**
 * Concatenates two strings with separator, allocating new strings only when necessary.
 *
 * @param before before string.
 * @param separator separator string.
 * @param after after string.
 * @returns concatenated string.
 */
function concatStringsWithSpace(before, after) {
    return (before == null || before === '') ?
        (after === null ? '' : after) :
        ((after == null || after === '') ? before : before + ' ' + after);
}

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
const __forward_ref__ = getClosureSafeProperty({ __forward_ref__: getClosureSafeProperty });
/**
 * Allows to refer to references which are not yet defined.
 *
 * For instance, `forwardRef` is used when the `token` which we need to refer to for the purposes of
 * DI is declared, but not yet defined. It is also used when the `token` which we use when creating
 * a query is not yet defined.
 *
 * @usageNotes
 * ### Example
 * {@example core/di/ts/forward_ref/forward_ref_spec.ts region='forward_ref'}
 * @publicApi
 */
function forwardRef(forwardRefFn) {
    forwardRefFn.__forward_ref__ = forwardRef;
    forwardRefFn.toString = function () {
        return stringify(this());
    };
    return forwardRefFn;
}
/**
 * Lazily retrieves the reference value from a forwardRef.
 *
 * Acts as the identity function when given a non-forward-ref value.
 *
 * @usageNotes
 * ### Example
 *
 * {@example core/di/ts/forward_ref/forward_ref_spec.ts region='resolve_forward_ref'}
 *
 * @see `forwardRef`
 * @publicApi
 */
function resolveForwardRef(type) {
    return isForwardRef(type) ? type() : type;
}
/** Checks whether a function is wrapped by a `forwardRef`. */
function isForwardRef(fn) {
    return typeof fn === 'function' && fn.hasOwnProperty(__forward_ref__) &&
        fn.__forward_ref__ === forwardRef;
}

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
// Base URL for the error details page.
// Keep this value in sync with a similar const in
// `packages/compiler-cli/src/ngtsc/diagnostics/src/error_code.ts`.
const ERROR_DETAILS_PAGE_BASE_URL = 'https://angular.io/errors';
class RuntimeError extends Error {
    constructor(code, message) {
        super(formatRuntimeError(code, message));
        this.code = code;
    }
}
// Contains a set of error messages that have details guides at angular.io.
// Full list of available error guides can be found at https://angular.io/errors
/* tslint:disable:no-toplevel-property-access */
const RUNTIME_ERRORS_WITH_GUIDES = new Set([
    "100" /* EXPRESSION_CHANGED_AFTER_CHECKED */,
    "200" /* CYCLIC_DI_DEPENDENCY */,
    "201" /* PROVIDER_NOT_FOUND */,
    "300" /* MULTIPLE_COMPONENTS_MATCH */,
    "301" /* EXPORT_NOT_FOUND */,
    "302" /* PIPE_NOT_FOUND */,
]);
/* tslint:enable:no-toplevel-property-access */
/** Called to format a runtime error */
function formatRuntimeError(code, message) {
    const fullCode = code ? `NG0${code}: ` : '';
    let errorMessage = `${fullCode}${message}`;
    // Some runtime errors are still thrown without `ngDevMode` (for example
    // `throwProviderNotFoundError`), so we add `ngDevMode` check here to avoid pulling
    // `RUNTIME_ERRORS_WITH_GUIDES` symbol into prod bundles.
    // TODO: revisit all instances where `RuntimeError` is thrown and see if `ngDevMode` can be added
    // there instead to tree-shake more devmode-only code (and eventually remove `ngDevMode` check
    // from this code).
    if (ngDevMode && RUNTIME_ERRORS_WITH_GUIDES.has(code)) {
        errorMessage = `${errorMessage}. Find more at ${ERROR_DETAILS_PAGE_BASE_URL}/NG0${code}`;
    }
    return errorMessage;
}

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
/**
 * Used for stringify render output in Ivy.
 * Important! This function is very performance-sensitive and we should
 * be extra careful not to introduce megamorphic reads in it.
 * Check `core/test/render3/perf/render_stringify` for benchmarks and alternate implementations.
 */
function renderStringify(value) {
    if (typeof value === 'string')
        return value;
    if (value == null)
        return '';
    // Use `String` so that it invokes the `toString` method of the value. Note that this
    // appears to be faster than calling `value.toString` (see `render_stringify` benchmark).
    return String(value);
}
/**
 * Used to stringify a value so that it can be displayed in an error message.
 * Important! This function contains a megamorphic read and should only be
 * used for error messages.
 */
function stringifyForError(value) {
    if (typeof value === 'function')
        return value.name || value.toString();
    if (typeof value === 'object' && value != null && typeof value.type === 'function') {
        return value.type.name || value.type.toString();
    }
    return renderStringify(value);
}

/** Called when directives inject each other (creating a circular dependency) */
function throwCyclicDependencyError(token, path) {
    const depPath = path ? `. Dependency path: ${path.join(' > ')} > ${token}` : '';
    throw new RuntimeError("200" /* CYCLIC_DI_DEPENDENCY */, `Circular dependency in DI detected for ${token}${depPath}`);
}
function throwMixedMultiProviderError() {
    throw new Error(`Cannot mix multi providers and regular providers`);
}
function throwInvalidProviderError(ngModuleType, providers, provider) {
    let ngModuleDetail = '';
    if (ngModuleType && providers) {
        const providerDetail = providers.map(v => v == provider ? '?' + provider + '?' : '...');
        ngModuleDetail =
            ` - only instances of Provider and Type are allowed, got: [${providerDetail.join(', ')}]`;
    }
    throw new Error(`Invalid provider for the NgModule '${stringify(ngModuleType)}'` + ngModuleDetail);
}
/** Throws an error when a token is not found in DI. */
function throwProviderNotFoundError(token, injectorName) {
    const injectorDetails = injectorName ? ` in ${injectorName}` : '';
    throw new RuntimeError("201" /* PROVIDER_NOT_FOUND */, `No provider for ${stringifyForError(token)} found${injectorDetails}`);
}

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
function assertNumber(actual, msg) {
    if (!(typeof actual === 'number')) {
        throwError(msg, typeof actual, 'number', '===');
    }
}
function assertNumberInRange(actual, minInclusive, maxInclusive) {
    assertNumber(actual, 'Expected a number');
    assertLessThanOrEqual(actual, maxInclusive, 'Expected number to be less than or equal to');
    assertGreaterThanOrEqual(actual, minInclusive, 'Expected number to be greater than or equal to');
}
function assertString(actual, msg) {
    if (!(typeof actual === 'string')) {
        throwError(msg, actual === null ? 'null' : typeof actual, 'string', '===');
    }
}
function assertFunction(actual, msg) {
    if (!(typeof actual === 'function')) {
        throwError(msg, actual === null ? 'null' : typeof actual, 'function', '===');
    }
}
function assertEqual(actual, expected, msg) {
    if (!(actual == expected)) {
        throwError(msg, actual, expected, '==');
    }
}
function assertNotEqual(actual, expected, msg) {
    if (!(actual != expected)) {
        throwError(msg, actual, expected, '!=');
    }
}
function assertSame(actual, expected, msg) {
    if (!(actual === expected)) {
        throwError(msg, actual, expected, '===');
    }
}
function assertNotSame(actual, expected, msg) {
    if (!(actual !== expected)) {
        throwError(msg, actual, expected, '!==');
    }
}
function assertLessThan(actual, expected, msg) {
    if (!(actual < expected)) {
        throwError(msg, actual, expected, '<');
    }
}
function assertLessThanOrEqual(actual, expected, msg) {
    if (!(actual <= expected)) {
        throwError(msg, actual, expected, '<=');
    }
}
function assertGreaterThan(actual, expected, msg) {
    if (!(actual > expected)) {
        throwError(msg, actual, expected, '>');
    }
}
function assertGreaterThanOrEqual(actual, expected, msg) {
    if (!(actual >= expected)) {
        throwError(msg, actual, expected, '>=');
    }
}
function assertNotDefined(actual, msg) {
    if (actual != null) {
        throwError(msg, actual, null, '==');
    }
}
function assertDefined(actual, msg) {
    if (actual == null) {
        throwError(msg, actual, null, '!=');
    }
}
function throwError(msg, actual, expected, comparison) {
    throw new Error(`ASSERTION ERROR: ${msg}` +
        (comparison == null ? '' : ` [Expected=> ${expected} ${comparison} ${actual} <=Actual]`));
}
function assertDomNode(node) {
    // If we're in a worker, `Node` will not be defined.
    if (!(typeof Node !== 'undefined' && node instanceof Node) &&
        !(typeof node === 'object' && node != null &&
            node.constructor.name === 'WebWorkerRenderNode')) {
        throwError(`The provided value must be an instance of a DOM Node but got ${stringify(node)}`);
    }
}
function assertIndexInRange(arr, index) {
    assertDefined(arr, 'Array must be defined.');
    const maxLen = arr.length;
    if (index < 0 || index >= maxLen) {
        throwError(`Index expected to be less than ${maxLen} but got ${index}`);
    }
}
function assertOneOf(value, ...validValues) {
    if (validValues.indexOf(value) !== -1)
        return true;
    throwError(`Expected value to be one of ${JSON.stringify(validValues)} but was ${JSON.stringify(value)}.`);
}

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
/**
 * Construct an injectable definition which defines how a token will be constructed by the DI
 * system, and in which injectors (if any) it will be available.
 *
 * This should be assigned to a static `ɵprov` field on a type, which will then be an
 * `InjectableType`.
 *
 * Options:
 * * `providedIn` determines which injectors will include the injectable, by either associating it
 *   with an `@NgModule` or other `InjectorType`, or by specifying that this injectable should be
 *   provided in the `'root'` injector, which will be the application-level injector in most apps.
 * * `factory` gives the zero argument function which will create an instance of the injectable.
 *   The factory can call `inject` to access the `Injector` and request injection of dependencies.
 *
 * @codeGenApi
 * @publicApi This instruction has been emitted by ViewEngine for some time and is deployed to npm.
 */
function ɵɵdefineInjectable(opts) {
    return {
        token: opts.token,
        providedIn: opts.providedIn || null,
        factory: opts.factory,
        value: undefined,
    };
}
/**
 * @deprecated in v8, delete after v10. This API should be used only by generated code, and that
 * code should now use ɵɵdefineInjectable instead.
 * @publicApi
 */
const defineInjectable = ɵɵdefineInjectable;
/**
 * Construct an `InjectorDef` which configures an injector.
 *
 * This should be assigned to a static injector def (`ɵinj`) field on a type, which will then be an
 * `InjectorType`.
 *
 * Options:
 *
 * * `providers`: an optional array of providers to add to the injector. Each provider must
 *   either have a factory or point to a type which has a `ɵprov` static property (the
 *   type must be an `InjectableType`).
 * * `imports`: an optional array of imports of other `InjectorType`s or `InjectorTypeWithModule`s
 *   whose providers will also be added to the injector. Locally provided types will override
 *   providers from imports.
 *
 * @codeGenApi
 */
function ɵɵdefineInjector(options) {
    return { providers: options.providers || [], imports: options.imports || [] };
}
/**
 * Read the injectable def (`ɵprov`) for `type` in a way which is immune to accidentally reading
 * inherited value.
 *
 * @param type A type which may have its own (non-inherited) `ɵprov`.
 */
function getInjectableDef(type) {
    return getOwnDefinition(type, NG_PROV_DEF) || getOwnDefinition(type, NG_INJECTABLE_DEF);
}
/**
 * Return definition only if it is defined directly on `type` and is not inherited from a base
 * class of `type`.
 */
function getOwnDefinition(type, field) {
    return type.hasOwnProperty(field) ? type[field] : null;
}
/**
 * Read the injectable def (`ɵprov`) for `type` or read the `ɵprov` from one of its ancestors.
 *
 * @param type A type which may have `ɵprov`, via inheritance.
 *
 * @deprecated Will be removed in a future version of Angular, where an error will occur in the
 *     scenario if we find the `ɵprov` on an ancestor only.
 */
function getInheritedInjectableDef(type) {
    const def = type && (type[NG_PROV_DEF] || type[NG_INJECTABLE_DEF]);
    if (def) {
        const typeName = getTypeName(type);
        // TODO(FW-1307): Re-add ngDevMode when closure can handle it
        // ngDevMode &&
        console.warn(`DEPRECATED: DI is instantiating a token "${typeName}" that inherits its @Injectable decorator but does not provide one itself.\n` +
            `This will become an error in a future version of Angular. Please add @Injectable() to the "${typeName}" class.`);
        return def;
    }
    else {
        return null;
    }
}
/** Gets the name of a type, accounting for some cross-browser differences. */
function getTypeName(type) {
    // `Function.prototype.name` behaves differently between IE and other browsers. In most browsers
    // it'll always return the name of the function itself, no matter how many other functions it
    // inherits from. On IE the function doesn't have its own `name` property, but it takes it from
    // the lowest level in the prototype chain. E.g. if we have `class Foo extends Parent` most
    // browsers will evaluate `Foo.name` to `Foo` while IE will return `Parent`. We work around
    // the issue by converting the function to a string and parsing its name out that way via a regex.
    if (type.hasOwnProperty('name')) {
        return type.name;
    }
    const match = ('' + type).match(/^function\s*([^\s(]+)/);
    return match === null ? '' : match[1];
}
/**
 * Read the injector def type in a way which is immune to accidentally reading inherited value.
 *
 * @param type type which may have an injector def (`ɵinj`)
 */
function getInjectorDef(type) {
    return type && (type.hasOwnProperty(NG_INJ_DEF) || type.hasOwnProperty(NG_INJECTOR_DEF)) ?
        type[NG_INJ_DEF] :
        null;
}
const NG_PROV_DEF = getClosureSafeProperty({ ɵprov: getClosureSafeProperty });
const NG_INJ_DEF = getClosureSafeProperty({ ɵinj: getClosureSafeProperty });
// We need to keep these around so we can read off old defs if new defs are unavailable
const NG_INJECTABLE_DEF = getClosureSafeProperty({ ngInjectableDef: getClosureSafeProperty });
const NG_INJECTOR_DEF = getClosureSafeProperty({ ngInjectorDef: getClosureSafeProperty });

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
/**
 * Injection flags for DI.
 *
 * @publicApi
 */
var InjectFlags;
(function (InjectFlags) {
    // TODO(alxhub): make this 'const' (and remove `InternalInjectFlags` enum) when ngc no longer
    // writes exports of it into ngfactory files.
    /** Check self and check parent injector if needed */
    InjectFlags[InjectFlags["Default"] = 0] = "Default";
    /**
     * Specifies that an injector should retrieve a dependency from any injector until reaching the
     * host element of the current component. (Only used with Element Injector)
     */
    InjectFlags[InjectFlags["Host"] = 1] = "Host";
    /** Don't ascend to ancestors of the node requesting injection. */
    InjectFlags[InjectFlags["Self"] = 2] = "Self";
    /** Skip the node that is requesting injection. */
    InjectFlags[InjectFlags["SkipSelf"] = 4] = "SkipSelf";
    /** Inject `defaultValue` instead if token not found. */
    InjectFlags[InjectFlags["Optional"] = 8] = "Optional";
})(InjectFlags || (InjectFlags = {}));

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
/**
 * Current implementation of inject.
 *
 * By default, it is `injectInjectorOnly`, which makes it `Injector`-only aware. It can be changed
 * to `directiveInject`, which brings in the `NodeInjector` system of ivy. It is designed this
 * way for two reasons:
 *  1. `Injector` should not depend on ivy logic.
 *  2. To maintain tree shake-ability we don't want to bring in unnecessary code.
 */
let _injectImplementation;
function getInjectImplementation() {
    return _injectImplementation;
}
/**
 * Sets the current inject implementation.
 */
function setInjectImplementation(impl) {
    const previous = _injectImplementation;
    _injectImplementation = impl;
    return previous;
}
/**
 * Injects `root` tokens in limp mode.
 *
 * If no injector exists, we can still inject tree-shakable providers which have `providedIn` set to
 * `"root"`. This is known as the limp mode injection. In such case the value is stored in the
 * injectable definition.
 */
function injectRootLimpMode(token, notFoundValue, flags) {
    const injectableDef = getInjectableDef(token);
    if (injectableDef && injectableDef.providedIn == 'root') {
        return injectableDef.value === undefined ? injectableDef.value = injectableDef.factory() :
            injectableDef.value;
    }
    if (flags & InjectFlags.Optional)
        return null;
    if (notFoundValue !== undefined)
        return notFoundValue;
    throwProviderNotFoundError(stringify(token), 'Injector');
}
/**
 * Assert that `_injectImplementation` is not `fn`.
 *
 * This is useful, to prevent infinite recursion.
 *
 * @param fn Function which it should not equal to
 */
function assertInjectImplementationNotEqual(fn) {
    ngDevMode &&
        assertNotEqual(_injectImplementation, fn, 'Calling ɵɵinject would cause infinite recursion');
}

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
/**
 * Convince closure compiler that the wrapped function has no side-effects.
 *
 * Closure compiler always assumes that `toString` has no side-effects. We use this quirk to
 * allow us to execute a function but have closure compiler mark the call as no-side-effects.
 * It is important that the return value for the `noSideEffects` function be assigned
 * to something which is retained otherwise the call to `noSideEffects` will be removed by closure
 * compiler.
 */
function noSideEffects(fn) {
    return { toString: fn }.toString();
}

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
/**
 * The strategy that the default change detector uses to detect changes.
 * When set, takes effect the next time change detection is triggered.
 *
 * @see {@link ChangeDetectorRef#usage-notes Change detection usage}
 *
 * @publicApi
 */
var ChangeDetectionStrategy;
(function (ChangeDetectionStrategy) {
    /**
     * Use the `CheckOnce` strategy, meaning that automatic change detection is deactivated
     * until reactivated by setting the strategy to `Default` (`CheckAlways`).
     * Change detection can still be explicitly invoked.
     * This strategy applies to all child directives and cannot be overridden.
     */
    ChangeDetectionStrategy[ChangeDetectionStrategy["OnPush"] = 0] = "OnPush";
    /**
     * Use the default `CheckAlways` strategy, in which change detection is automatic until
     * explicitly deactivated.
     */
    ChangeDetectionStrategy[ChangeDetectionStrategy["Default"] = 1] = "Default";
})(ChangeDetectionStrategy || (ChangeDetectionStrategy = {}));
/**
 * Defines the possible states of the default change detector.
 * @see `ChangeDetectorRef`
 */
var ChangeDetectorStatus;
(function (ChangeDetectorStatus) {
    /**
     * A state in which, after calling `detectChanges()`, the change detector
     * state becomes `Checked`, and must be explicitly invoked or reactivated.
     */
    ChangeDetectorStatus[ChangeDetectorStatus["CheckOnce"] = 0] = "CheckOnce";
    /**
     * A state in which change detection is skipped until the change detector mode
     * becomes `CheckOnce`.
     */
    ChangeDetectorStatus[ChangeDetectorStatus["Checked"] = 1] = "Checked";
    /**
     * A state in which change detection continues automatically until explicitly
     * deactivated.
     */
    ChangeDetectorStatus[ChangeDetectorStatus["CheckAlways"] = 2] = "CheckAlways";
    /**
     * A state in which a change detector sub tree is not a part of the main tree and
     * should be skipped.
     */
    ChangeDetectorStatus[ChangeDetectorStatus["Detached"] = 3] = "Detached";
    /**
     * Indicates that the change detector encountered an error checking a binding
     * or calling a directive lifecycle method and is now in an inconsistent state. Change
     * detectors in this state do not detect changes.
     */
    ChangeDetectorStatus[ChangeDetectorStatus["Errored"] = 4] = "Errored";
    /**
     * Indicates that the change detector has been destroyed.
     */
    ChangeDetectorStatus[ChangeDetectorStatus["Destroyed"] = 5] = "Destroyed";
})(ChangeDetectorStatus || (ChangeDetectorStatus = {}));
/**
 * Reports whether a given strategy is currently the default for change detection.
 * @param changeDetectionStrategy The strategy to check.
 * @returns True if the given strategy is the current default, false otherwise.
 * @see `ChangeDetectorStatus`
 * @see `ChangeDetectorRef`
 */
function isDefaultChangeDetectionStrategy(changeDetectionStrategy) {
    return changeDetectionStrategy == null ||
        changeDetectionStrategy === ChangeDetectionStrategy.Default;
}

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
/**
 * Defines template and style encapsulation options available for Component's {@link Component}.
 *
 * See {@link Component#encapsulation encapsulation}.
 *
 * @usageNotes
 * ### Example
 *
 * {@example core/ts/metadata/encapsulation.ts region='longform'}
 *
 * @publicApi
 */
var ViewEncapsulation;
(function (ViewEncapsulation) {
    /**
     * Emulate `Native` scoping of styles by adding an attribute containing surrogate id to the Host
     * Element and pre-processing the style rules provided via {@link Component#styles styles} or
     * {@link Component#styleUrls styleUrls}, and adding the new Host Element attribute to all
     * selectors.
     *
     * This is the default option.
     */
    ViewEncapsulation[ViewEncapsulation["Emulated"] = 0] = "Emulated";
    // Historically the 1 value was for `Native` encapsulation which has been removed as of v11.
    /**
     * Don't provide any template or style encapsulation.
     */
    ViewEncapsulation[ViewEncapsulation["None"] = 2] = "None";
    /**
     * Use Shadow DOM to encapsulate styles.
     *
     * For the DOM this means using modern [Shadow
     * DOM](https://developer.mozilla.org/en-US/docs/Web/Web_Components/Using_shadow_DOM) and
     * creating a ShadowRoot for Component's Host Element.
     */
    ViewEncapsulation[ViewEncapsulation["ShadowDom"] = 3] = "ShadowDom";
})(ViewEncapsulation || (ViewEncapsulation = {}));

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
const __globalThis = typeof globalThis !== 'undefined' && globalThis;
const __window = typeof window !== 'undefined' && window;
const __self = typeof self !== 'undefined' && typeof WorkerGlobalScope !== 'undefined' &&
    self instanceof WorkerGlobalScope && self;
const __global = typeof global !== 'undefined' && global;
// Always use __globalThis if available, which is the spec-defined global variable across all
// environments, then fallback to __global first, because in Node tests both __global and
// __window may be defined and _global should be __global in that case.
const _global = __globalThis || __global || __window || __self;

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
function ngDevModeResetPerfCounters() {
    const locationString = typeof location !== 'undefined' ? location.toString() : '';
    const newCounters = {
        namedConstructors: locationString.indexOf('ngDevMode=namedConstructors') != -1,
        firstCreatePass: 0,
        tNode: 0,
        tView: 0,
        rendererCreateTextNode: 0,
        rendererSetText: 0,
        rendererCreateElement: 0,
        rendererAddEventListener: 0,
        rendererSetAttribute: 0,
        rendererRemoveAttribute: 0,
        rendererSetProperty: 0,
        rendererSetClassName: 0,
        rendererAddClass: 0,
        rendererRemoveClass: 0,
        rendererSetStyle: 0,
        rendererRemoveStyle: 0,
        rendererDestroy: 0,
        rendererDestroyNode: 0,
        rendererMoveNode: 0,
        rendererRemoveNode: 0,
        rendererAppendChild: 0,
        rendererInsertBefore: 0,
        rendererCreateComment: 0,
    };
    // Make sure to refer to ngDevMode as ['ngDevMode'] for closure.
    const allowNgDevModeTrue = locationString.indexOf('ngDevMode=false') === -1;
    _global['ngDevMode'] = allowNgDevModeTrue && newCounters;
    return newCounters;
}
/**
 * This function checks to see if the `ngDevMode` has been set. If yes,
 * then we honor it, otherwise we default to dev mode with additional checks.
 *
 * The idea is that unless we are doing production build where we explicitly
 * set `ngDevMode == false` we should be helping the developer by providing
 * as much early warning and errors as possible.
 *
 * `ɵɵdefineComponent` is guaranteed to have been called before any component template functions
 * (and thus Ivy instructions), so a single initialization there is sufficient to ensure ngDevMode
 * is defined for the entire instruction set.
 *
 * When checking `ngDevMode` on toplevel, always init it before referencing it
 * (e.g. `((typeof ngDevMode === 'undefined' || ngDevMode) && initNgDevMode())`), otherwise you can
 *  get a `ReferenceError` like in https://github.com/angular/angular/issues/31595.
 *
 * Details on possible values for `ngDevMode` can be found on its docstring.
 *
 * NOTE:
 * - changes to the `ngDevMode` name must be synced with `compiler-cli/src/tooling.ts`.
 */
function initNgDevMode() {
    // The below checks are to ensure that calling `initNgDevMode` multiple times does not
    // reset the counters.
    // If the `ngDevMode` is not an object, then it means we have not created the perf counters
    // yet.
    if (typeof ngDevMode === 'undefined' || ngDevMode) {
        if (typeof ngDevMode !== 'object') {
            ngDevModeResetPerfCounters();
        }
        return typeof ngDevMode !== 'undefined' && !!ngDevMode;
    }
    return false;
}

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
/**
 * This file contains reuseable "empty" symbols that can be used as default return values
 * in different parts of the rendering code. Because the same symbols are returned, this
 * allows for identity checks against these values to be consistently used by the framework
 * code.
 */
const EMPTY_OBJ = {};
const EMPTY_ARRAY = [];
// freezing the values prevents any code from accidentally inserting new values in
if ((typeof ngDevMode === 'undefined' || ngDevMode) && initNgDevMode()) {
    // These property accesses can be ignored because ngDevMode will be set to false
    // when optimizing code and the whole if statement will be dropped.
    // tslint:disable-next-line:no-toplevel-property-access
    Object.freeze(EMPTY_OBJ);
    // tslint:disable-next-line:no-toplevel-property-access
    Object.freeze(EMPTY_ARRAY);
}

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
const NG_COMP_DEF = getClosureSafeProperty({ ɵcmp: getClosureSafeProperty });
const NG_DIR_DEF = getClosureSafeProperty({ ɵdir: getClosureSafeProperty });
const NG_PIPE_DEF = getClosureSafeProperty({ ɵpipe: getClosureSafeProperty });
const NG_MOD_DEF = getClosureSafeProperty({ ɵmod: getClosureSafeProperty });
const NG_LOC_ID_DEF = getClosureSafeProperty({ ɵloc: getClosureSafeProperty });
const NG_FACTORY_DEF = getClosureSafeProperty({ ɵfac: getClosureSafeProperty });
/**
 * If a directive is diPublic, bloomAdd sets a property on the type with this constant as
 * the key and the directive's unique ID as the value. This allows us to map directives to their
 * bloom filter bit for DI.
 */
// TODO(misko): This is wrong. The NG_ELEMENT_ID should never be minified.
const NG_ELEMENT_ID = getClosureSafeProperty({ __NG_ELEMENT_ID__: getClosureSafeProperty });

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
let _renderCompCount = 0;
/**
 * Create a component definition object.
 *
 *
 * # Example
 * ```
 * class MyDirective {
 *   // Generated by Angular Template Compiler
 *   // [Symbol] syntax will not be supported by TypeScript until v2.7
 *   static ɵcmp = defineComponent({
 *     ...
 *   });
 * }
 * ```
 * @codeGenApi
 */
function ɵɵdefineComponent(componentDefinition) {
    return noSideEffects(() => {
        // Initialize ngDevMode. This must be the first statement in ɵɵdefineComponent.
        // See the `initNgDevMode` docstring for more information.
        (typeof ngDevMode === 'undefined' || ngDevMode) && initNgDevMode();
        const type = componentDefinition.type;
        const declaredInputs = {};
        const def = {
            type: type,
            providersResolver: null,
            decls: componentDefinition.decls,
            vars: componentDefinition.vars,
            factory: null,
            template: componentDefinition.template || null,
            consts: componentDefinition.consts || null,
            ngContentSelectors: componentDefinition.ngContentSelectors,
            hostBindings: componentDefinition.hostBindings || null,
            hostVars: componentDefinition.hostVars || 0,
            hostAttrs: componentDefinition.hostAttrs || null,
            contentQueries: componentDefinition.contentQueries || null,
            declaredInputs: declaredInputs,
            inputs: null,
            outputs: null,
            exportAs: componentDefinition.exportAs || null,
            onPush: componentDefinition.changeDetection === ChangeDetectionStrategy.OnPush,
            directiveDefs: null,
            pipeDefs: null,
            selectors: componentDefinition.selectors || EMPTY_ARRAY,
            viewQuery: componentDefinition.viewQuery || null,
            features: componentDefinition.features || null,
            data: componentDefinition.data || {},
            // TODO(misko): convert ViewEncapsulation into const enum so that it can be used
            // directly in the next line. Also `None` should be 0 not 2.
            encapsulation: componentDefinition.encapsulation || ViewEncapsulation.Emulated,
            id: 'c',
            styles: componentDefinition.styles || EMPTY_ARRAY,
            _: null,
            setInput: null,
            schemas: componentDefinition.schemas || null,
            tView: null,
        };
        const directiveTypes = componentDefinition.directives;
        const feature = componentDefinition.features;
        const pipeTypes = componentDefinition.pipes;
        def.id += _renderCompCount++;
        def.inputs = invertObject(componentDefinition.inputs, declaredInputs),
            def.outputs = invertObject(componentDefinition.outputs),
            feature && feature.forEach((fn) => fn(def));
        def.directiveDefs = directiveTypes ?
            () => (typeof directiveTypes === 'function' ? directiveTypes() : directiveTypes)
                .map(extractDirectiveDef) :
            null;
        def.pipeDefs = pipeTypes ?
            () => (typeof pipeTypes === 'function' ? pipeTypes() : pipeTypes).map(extractPipeDef) :
            null;
        return def;
    });
}
/**
 * Generated next to NgModules to monkey-patch directive and pipe references onto a component's
 * definition, when generating a direct reference in the component file would otherwise create an
 * import cycle.
 *
 * See [this explanation](https://hackmd.io/Odw80D0pR6yfsOjg_7XCJg?view) for more details.
 *
 * @codeGenApi
 */
function ɵɵsetComponentScope(type, directives, pipes) {
    const def = type.ɵcmp;
    def.directiveDefs = () => directives.map(extractDirectiveDef);
    def.pipeDefs = () => pipes.map(extractPipeDef);
}
function extractDirectiveDef(type) {
    const def = getComponentDef(type) || getDirectiveDef(type);
    if (ngDevMode && !def) {
        throw new Error(`'${type.name}' is neither 'ComponentType' or 'DirectiveType'.`);
    }
    return def;
}
function extractPipeDef(type) {
    const def = getPipeDef(type);
    if (ngDevMode && !def) {
        throw new Error(`'${type.name}' is not a 'PipeType'.`);
    }
    return def;
}
const autoRegisterModuleById = {};
/**
 * @codeGenApi
 */
function ɵɵdefineNgModule(def) {
    return noSideEffects(() => {
        const res = {
            type: def.type,
            bootstrap: def.bootstrap || EMPTY_ARRAY,
            declarations: def.declarations || EMPTY_ARRAY,
            imports: def.imports || EMPTY_ARRAY,
            exports: def.exports || EMPTY_ARRAY,
            transitiveCompileScopes: null,
            schemas: def.schemas || null,
            id: def.id || null,
        };
        if (def.id != null) {
            autoRegisterModuleById[def.id] = def.type;
        }
        return res;
    });
}
/**
 * Adds the module metadata that is necessary to compute the module's transitive scope to an
 * existing module definition.
 *
 * Scope metadata of modules is not used in production builds, so calls to this function can be
 * marked pure to tree-shake it from the bundle, allowing for all referenced declarations
 * to become eligible for tree-shaking as well.
 *
 * @codeGenApi
 */
function ɵɵsetNgModuleScope(type, scope) {
    return noSideEffects(() => {
        const ngModuleDef = getNgModuleDef(type, true);
        ngModuleDef.declarations = scope.declarations || EMPTY_ARRAY;
        ngModuleDef.imports = scope.imports || EMPTY_ARRAY;
        ngModuleDef.exports = scope.exports || EMPTY_ARRAY;
    });
}
/**
 * Inverts an inputs or outputs lookup such that the keys, which were the
 * minified keys, are part of the values, and the values are parsed so that
 * the publicName of the property is the new key
 *
 * e.g. for
 *
 * ```
 * class Comp {
 *   @Input()
 *   propName1: string;
 *
 *   @Input('publicName2')
 *   declaredPropName2: number;
 * }
 * ```
 *
 * will be serialized as
 *
 * ```
 * {
 *   propName1: 'propName1',
 *   declaredPropName2: ['publicName2', 'declaredPropName2'],
 * }
 * ```
 *
 * which is than translated by the minifier as:
 *
 * ```
 * {
 *   minifiedPropName1: 'propName1',
 *   minifiedPropName2: ['publicName2', 'declaredPropName2'],
 * }
 * ```
 *
 * becomes: (public name => minifiedName)
 *
 * ```
 * {
 *  'propName1': 'minifiedPropName1',
 *  'publicName2': 'minifiedPropName2',
 * }
 * ```
 *
 * Optionally the function can take `secondary` which will result in: (public name => declared name)
 *
 * ```
 * {
 *  'propName1': 'propName1',
 *  'publicName2': 'declaredPropName2',
 * }
 * ```
 *

 */
function invertObject(obj, secondary) {
    if (obj == null)
        return EMPTY_OBJ;
    const newLookup = {};
    for (const minifiedKey in obj) {
        if (obj.hasOwnProperty(minifiedKey)) {
            let publicName = obj[minifiedKey];
            let declaredName = publicName;
            if (Array.isArray(publicName)) {
                declaredName = publicName[1];
                publicName = publicName[0];
            }
            newLookup[publicName] = minifiedKey;
            if (secondary) {
                (secondary[publicName] = declaredName);
            }
        }
    }
    return newLookup;
}
/**
 * Create a directive definition object.
 *
 * # Example
 * ```ts
 * class MyDirective {
 *   // Generated by Angular Template Compiler
 *   // [Symbol] syntax will not be supported by TypeScript until v2.7
 *   static ɵdir = ɵɵdefineDirective({
 *     ...
 *   });
 * }
 * ```
 *
 * @codeGenApi
 */
const ɵɵdefineDirective = ɵɵdefineComponent;
/**
 * Create a pipe definition object.
 *
 * # Example
 * ```
 * class MyPipe implements PipeTransform {
 *   // Generated by Angular Template Compiler
 *   static ɵpipe = definePipe({
 *     ...
 *   });
 * }
 * ```
 * @param pipeDef Pipe definition generated by the compiler
 *
 * @codeGenApi
 */
function ɵɵdefinePipe(pipeDef) {
    return {
        type: pipeDef.type,
        name: pipeDef.name,
        factory: null,
        pure: pipeDef.pure !== false,
        onDestroy: pipeDef.type.prototype.ngOnDestroy || null
    };
}
/**
 * The following getter methods retrieve the definition from the type. Currently the retrieval
 * honors inheritance, but in the future we may change the rule to require that definitions are
 * explicit. This would require some sort of migration strategy.
 */
function getComponentDef(type) {
    return type[NG_COMP_DEF] || null;
}
function getDirectiveDef(type) {
    return type[NG_DIR_DEF] || null;
}
function getPipeDef(type) {
    return type[NG_PIPE_DEF] || null;
}
function getNgModuleDef(type, throwNotFound) {
    const ngModuleDef = type[NG_MOD_DEF] || null;
    if (!ngModuleDef && throwNotFound === true) {
        throw new Error(`Type ${stringify(type)} does not have 'ɵmod' property.`);
    }
    return ngModuleDef;
}
function getNgLocaleIdDef(type) {
    return type[NG_LOC_ID_DEF] || null;
}

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
// Below are constants for LView indices to help us look up LView members
// without having to remember the specific indices.
// Uglify will inline these when minifying so there shouldn't be a cost.
const HOST = 0;
const TVIEW = 1;
const FLAGS = 2;
const PARENT = 3;
const NEXT = 4;
const TRANSPLANTED_VIEWS_TO_REFRESH = 5;
const T_HOST = 6;
const CLEANUP = 7;
const CONTEXT = 8;
const INJECTOR = 9;
const RENDERER_FACTORY = 10;
const RENDERER = 11;
const SANITIZER = 12;
const CHILD_HEAD = 13;
const CHILD_TAIL = 14;
// FIXME(misko): Investigate if the three declarations aren't all same thing.
const DECLARATION_VIEW = 15;
const DECLARATION_COMPONENT_VIEW = 16;
const DECLARATION_LCONTAINER = 17;
const PREORDER_HOOK_FLAGS = 18;
const QUERIES = 19;
/**
 * Size of LView's header. Necessary to adjust for it when setting slots.
 *
 * IMPORTANT: `HEADER_OFFSET` should only be referred to the in the `ɵɵ*` instructions to translate
 * instruction index into `LView` index. All other indexes should be in the `LView` index space and
 * there should be no need to refer to `HEADER_OFFSET` anywhere else.
 */
const HEADER_OFFSET = 20;
/**
 * Converts `TViewType` into human readable text.
 * Make sure this matches with `TViewType`
 */
const TViewTypeAsString = [
    'Root',
    'Component',
    'Embedded', // 2
];
// Note: This hack is necessary so we don't erroneously get a circular dependency
// failure based on types.
const unusedValueExportToPlacateAjd = 1;

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
/**
 * Special location which allows easy identification of type. If we have an array which was
 * retrieved from the `LView` and that array has `true` at `TYPE` location, we know it is
 * `LContainer`.
 */
const TYPE = 1;
/**
 * Below are constants for LContainer indices to help us look up LContainer members
 * without having to remember the specific indices.
 * Uglify will inline these when minifying so there shouldn't be a cost.
 */
/**
 * Flag to signify that this `LContainer` may have transplanted views which need to be change
 * detected. (see: `LView[DECLARATION_COMPONENT_VIEW])`.
 *
 * This flag, once set, is never unset for the `LContainer`. This means that when unset we can skip
 * a lot of work in `refreshEmbeddedViews`. But when set we still need to verify
 * that the `MOVED_VIEWS` are transplanted and on-push.
 */
const HAS_TRANSPLANTED_VIEWS = 2;
// PARENT, NEXT, TRANSPLANTED_VIEWS_TO_REFRESH are indices 3, 4, and 5
// As we already have these constants in LView, we don't need to re-create them.
// T_HOST is index 6
// We already have this constants in LView, we don't need to re-create it.
const NATIVE = 7;
const VIEW_REFS = 8;
const MOVED_VIEWS = 9;
/**
 * Size of LContainer's header. Represents the index after which all views in the
 * container will be inserted. We need to keep a record of current views so we know
 * which views are already in the DOM (and don't need to be re-added) and so we can
 * remove views from the DOM when they are no longer required.
 */
const CONTAINER_HEADER_OFFSET = 10;
// Note: This hack is necessary so we don't erroneously get a circular dependency
// failure based on types.
const unusedValueExportToPlacateAjd$1 = 1;

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
/**
 * True if `value` is `LView`.
 * @param value wrapped value of `RNode`, `LView`, `LContainer`
 */
function isLView(value) {
    return Array.isArray(value) && typeof value[TYPE] === 'object';
}
/**
 * True if `value` is `LContainer`.
 * @param value wrapped value of `RNode`, `LView`, `LContainer`
 */
function isLContainer(value) {
    return Array.isArray(value) && value[TYPE] === true;
}
function isContentQueryHost(tNode) {
    return (tNode.flags & 8 /* hasContentQuery */) !== 0;
}
function isComponentHost(tNode) {
    return (tNode.flags & 2 /* isComponentHost */) === 2 /* isComponentHost */;
}
function isDirectiveHost(tNode) {
    return (tNode.flags & 1 /* isDirectiveHost */) === 1 /* isDirectiveHost */;
}
function isComponentDef(def) {
    return def.template !== null;
}
function isRootView(target) {
    return (target[FLAGS] & 512 /* IsRoot */) !== 0;
}

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
// [Assert functions do not constraint type when they are guarded by a truthy
// expression.](https://github.com/microsoft/TypeScript/issues/37295)
function assertTNodeForLView(tNode, lView) {
    assertTNodeForTView(tNode, lView[TVIEW]);
}
function assertTNodeForTView(tNode, tView) {
    assertTNode(tNode);
    tNode.hasOwnProperty('tView_') &&
        assertEqual(tNode.tView_, tView, 'This TNode does not belong to this TView.');
}
function assertTNode(tNode) {
    assertDefined(tNode, 'TNode must be defined');
    if (!(tNode && typeof tNode === 'object' && tNode.hasOwnProperty('directiveStylingLast'))) {
        throwError('Not of type TNode, got: ' + tNode);
    }
}
function assertTIcu(tIcu) {
    assertDefined(tIcu, 'Expected TIcu to be defined');
    if (!(typeof tIcu.currentCaseLViewIndex === 'number')) {
        throwError('Object is not of TIcu type.');
    }
}
function assertComponentType(actual, msg = 'Type passed in is not ComponentType, it does not have \'ɵcmp\' property.') {
    if (!getComponentDef(actual)) {
        throwError(msg);
    }
}
function assertNgModuleType(actual, msg = 'Type passed in is not NgModuleType, it does not have \'ɵmod\' property.') {
    if (!getNgModuleDef(actual)) {
        throwError(msg);
    }
}
function assertCurrentTNodeIsParent(isParent) {
    assertEqual(isParent, true, 'currentTNode should be a parent');
}
function assertHasParent(tNode) {
    assertDefined(tNode, 'currentTNode should exist!');
    assertDefined(tNode.parent, 'currentTNode should have a parent');
}
function assertDataNext(lView, index, arr) {
    if (arr == null)
        arr = lView;
    assertEqual(arr.length, index, `index ${index} expected to be at the end of arr (length ${arr.length})`);
}
function assertLContainer(value) {
    assertDefined(value, 'LContainer must be defined');
    assertEqual(isLContainer(value), true, 'Expecting LContainer');
}
function assertLViewOrUndefined(value) {
    value && assertEqual(isLView(value), true, 'Expecting LView or undefined or null');
}
function assertLView(value) {
    assertDefined(value, 'LView must be defined');
    assertEqual(isLView(value), true, 'Expecting LView');
}
function assertFirstCreatePass(tView, errMessage) {
    assertEqual(tView.firstCreatePass, true, errMessage || 'Should only be called in first create pass.');
}
function assertFirstUpdatePass(tView, errMessage) {
    assertEqual(tView.firstUpdatePass, true, errMessage || 'Should only be called in first update pass.');
}
/**
 * This is a basic sanity check that an object is probably a directive def. DirectiveDef is
 * an interface, so we can't do a direct instanceof check.
 */
function assertDirectiveDef(obj) {
    if (obj.type === undefined || obj.selectors == undefined || obj.inputs === undefined) {
        throwError(`Expected a DirectiveDef/ComponentDef and this object does not seem to have the expected shape.`);
    }
}
function assertIndexInDeclRange(lView, index) {
    const tView = lView[1];
    assertBetween(HEADER_OFFSET, tView.bindingStartIndex, index);
}
function assertIndexInVarsRange(lView, index) {
    const tView = lView[1];
    assertBetween(tView.bindingStartIndex, tView.expandoStartIndex, index);
}
function assertIndexInExpandoRange(lView, index) {
    const tView = lView[1];
    assertBetween(tView.expandoStartIndex, lView.length, index);
}
function assertBetween(lower, upper, index) {
    if (!(lower <= index && index < upper)) {
        throwError(`Index out of range (expecting ${lower} <= ${index} < ${upper})`);
    }
}
function assertProjectionSlots(lView, errMessage) {
    assertDefined(lView[DECLARATION_COMPONENT_VIEW], 'Component views should exist.');
    assertDefined(lView[DECLARATION_COMPONENT_VIEW][T_HOST].projection, errMessage ||
        'Components with projection nodes (<ng-content>) must have projection slots defined.');
}
function assertParentView(lView, errMessage) {
    assertDefined(lView, errMessage || 'Component views should always have a parent view (component\'s host view)');
}
/**
 * This is a basic sanity check that the `injectorIndex` seems to point to what looks like a
 * NodeInjector data structure.
 *
 * @param lView `LView` which should be checked.
 * @param injectorIndex index into the `LView` where the `NodeInjector` is expected.
 */
function assertNodeInjector(lView, injectorIndex) {
    assertIndexInExpandoRange(lView, injectorIndex);
    assertIndexInExpandoRange(lView, injectorIndex + 8 /* PARENT */);
    assertNumber(lView[injectorIndex + 0], 'injectorIndex should point to a bloom filter');
    assertNumber(lView[injectorIndex + 1], 'injectorIndex should point to a bloom filter');
    assertNumber(lView[injectorIndex + 2], 'injectorIndex should point to a bloom filter');
    assertNumber(lView[injectorIndex + 3], 'injectorIndex should point to a bloom filter');
    assertNumber(lView[injectorIndex + 4], 'injectorIndex should point to a bloom filter');
    assertNumber(lView[injectorIndex + 5], 'injectorIndex should point to a bloom filter');
    assertNumber(lView[injectorIndex + 6], 'injectorIndex should point to a bloom filter');
    assertNumber(lView[injectorIndex + 7], 'injectorIndex should point to a bloom filter');
    assertNumber(lView[injectorIndex + 8 /* PARENT */], 'injectorIndex should point to parent injector');
}

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
function getFactoryDef(type, throwNotFound) {
    const hasFactoryDef = type.hasOwnProperty(NG_FACTORY_DEF);
    if (!hasFactoryDef && throwNotFound === true && ngDevMode) {
        throw new Error(`Type ${stringify(type)} does not have 'ɵfac' property.`);
    }
    return hasFactoryDef ? type[NG_FACTORY_DEF] : null;
}

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
/**
 * Represents a basic change from a previous to a new value for a single
 * property on a directive instance. Passed as a value in a
 * {@link SimpleChanges} object to the `ngOnChanges` hook.
 *
 * @see `OnChanges`
 *
 * @publicApi
 */
class SimpleChange {
    constructor(previousValue, currentValue, firstChange) {
        this.previousValue = previousValue;
        this.currentValue = currentValue;
        this.firstChange = firstChange;
    }
    /**
     * Check whether the new value is the first value assigned.
     */
    isFirstChange() {
        return this.firstChange;
    }
}

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
/**
 * The NgOnChangesFeature decorates a component with support for the ngOnChanges
 * lifecycle hook, so it should be included in any component that implements
 * that hook.
 *
 * If the component or directive uses inheritance, the NgOnChangesFeature MUST
 * be included as a feature AFTER {@link InheritDefinitionFeature}, otherwise
 * inherited properties will not be propagated to the ngOnChanges lifecycle
 * hook.
 *
 * Example usage:
 *
 * ```
 * static ɵcmp = defineComponent({
 *   ...
 *   inputs: {name: 'publicName'},
 *   features: [NgOnChangesFeature]
 * });
 * ```
 *
 * @codeGenApi
 */
function ɵɵNgOnChangesFeature() {
    return NgOnChangesFeatureImpl;
}
function NgOnChangesFeatureImpl(definition) {
    if (definition.type.prototype.ngOnChanges) {
        definition.setInput = ngOnChangesSetInput;
    }
    return rememberChangeHistoryAndInvokeOnChangesHook;
}
// This option ensures that the ngOnChanges lifecycle hook will be inherited
// from superclasses (in InheritDefinitionFeature).
/** @nocollapse */
// tslint:disable-next-line:no-toplevel-property-access
ɵɵNgOnChangesFeature.ngInherit = true;
/**
 * This is a synthetic lifecycle hook which gets inserted into `TView.preOrderHooks` to simulate
 * `ngOnChanges`.
 *
 * The hook reads the `NgSimpleChangesStore` data from the component instance and if changes are
 * found it invokes `ngOnChanges` on the component instance.
 *
 * @param this Component instance. Because this function gets inserted into `TView.preOrderHooks`,
 *     it is guaranteed to be called with component instance.
 */
function rememberChangeHistoryAndInvokeOnChangesHook() {
    const simpleChangesStore = getSimpleChangesStore(this);
    const current = simpleChangesStore === null || simpleChangesStore === void 0 ? void 0 : simpleChangesStore.current;
    if (current) {
        const previous = simpleChangesStore.previous;
        if (previous === EMPTY_OBJ) {
            simpleChangesStore.previous = current;
        }
        else {
            // New changes are copied to the previous store, so that we don't lose history for inputs
            // which were not changed this time
            for (let key in current) {
                previous[key] = current[key];
            }
        }
        simpleChangesStore.current = null;
        this.ngOnChanges(current);
    }
}
function ngOnChangesSetInput(instance, value, publicName, privateName) {
    const simpleChangesStore = getSimpleChangesStore(instance) ||
        setSimpleChangesStore(instance, { previous: EMPTY_OBJ, current: null });
    const current = simpleChangesStore.current || (simpleChangesStore.current = {});
    const previous = simpleChangesStore.previous;
    const declaredName = this.declaredInputs[publicName];
    const previousChange = previous[declaredName];
    current[declaredName] = new SimpleChange(previousChange && previousChange.currentValue, value, previous === EMPTY_OBJ);
    instance[privateName] = value;
}
const SIMPLE_CHANGES_STORE = '__ngSimpleChanges__';
function getSimpleChangesStore(instance) {
    return instance[SIMPLE_CHANGES_STORE] || null;
}
function setSimpleChangesStore(instance, store) {
    return instance[SIMPLE_CHANGES_STORE] = store;
}

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
let profilerCallback = null;
/**
 * Sets the callback function which will be invoked before and after performing certain actions at
 * runtime (for example, before and after running change detection).
 *
 * Warning: this function is *INTERNAL* and should not be relied upon in application's code.
 * The contract of the function might be changed in any release and/or the function can be removed
 * completely.
 *
 * @param profiler function provided by the caller or null value to disable profiling.
 */
const setProfiler = (profiler) => {
    profilerCallback = profiler;
};
/**
 * Profiler function which wraps user code executed by the runtime.
 *
 * @param event ProfilerEvent corresponding to the execution context
 * @param instance component instance
 * @param hookOrListener lifecycle hook function or output listener. The value depends on the
 *  execution context
 * @returns
 */
const profiler = function (event, instance, hookOrListener) {
    if (profilerCallback != null /* both `null` and `undefined` */) {
        profilerCallback(event, instance, hookOrListener);
    }
};

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
const SVG_NAMESPACE = 'http://www.w3.org/2000/svg';
const MATH_ML_NAMESPACE = 'http://www.w3.org/1998/MathML/';

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
/**
 * Most of the use of `document` in Angular is from within the DI system so it is possible to simply
 * inject the `DOCUMENT` token and are done.
 *
 * Ivy is special because it does not rely upon the DI and must get hold of the document some other
 * way.
 *
 * The solution is to define `getDocument()` and `setDocument()` top-level functions for ivy.
 * Wherever ivy needs the global document, it calls `getDocument()` instead.
 *
 * When running ivy outside of a browser environment, it is necessary to call `setDocument()` to
 * tell ivy what the global `document` is.
 *
 * Angular does this for us in each of the standard platforms (`Browser`, `Server`, and `WebWorker`)
 * by calling `setDocument()` when providing the `DOCUMENT` token.
 */
let DOCUMENT = undefined;
/**
 * Tell ivy what the `document` is for this platform.
 *
 * It is only necessary to call this if the current platform is not a browser.
 *
 * @param document The object representing the global `document` in this environment.
 */
function setDocument(document) {
    DOCUMENT = document;
}
/**
 * Access the object that represents the `document` for this platform.
 *
 * Ivy calls this whenever it needs to access the `document` object.
 * For example to create the renderer or to do sanitization.
 */
function getDocument() {
    if (DOCUMENT !== undefined) {
        return DOCUMENT;
    }
    else if (typeof document !== 'undefined') {
        return document;
    }
    // No "document" can be found. This should only happen if we are running ivy outside Angular and
    // the current platform is not a browser. Since this is not a supported scenario at the moment
    // this should not happen in Angular apps.
    // Once we support running ivy outside of Angular we will need to publish `setDocument()` as a
    // public API. Meanwhile we just return `undefined` and let the application fail.
    return undefined;
}

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
// TODO: cleanup once the code is merged in angular/angular
var RendererStyleFlags3;
(function (RendererStyleFlags3) {
    RendererStyleFlags3[RendererStyleFlags3["Important"] = 1] = "Important";
    RendererStyleFlags3[RendererStyleFlags3["DashCase"] = 2] = "DashCase";
})(RendererStyleFlags3 || (RendererStyleFlags3 = {}));
/** Returns whether the `renderer` is a `ProceduralRenderer3` */
function isProceduralRenderer(renderer) {
    return !!(renderer.listen);
}
const ɵ0 = (hostElement, rendererType) => {
    return getDocument();
};
const domRendererFactory3 = {
    createRenderer: ɵ0
};
// Note: This hack is necessary so we don't erroneously get a circular dependency
// failure based on types.
const unusedValueExportToPlacateAjd$2 = 1;

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
/**
 * For efficiency reasons we often put several different data types (`RNode`, `LView`, `LContainer`)
 * in same location in `LView`. This is because we don't want to pre-allocate space for it
 * because the storage is sparse. This file contains utilities for dealing with such data types.
 *
 * How do we know what is stored at a given location in `LView`.
 * - `Array.isArray(value) === false` => `RNode` (The normal storage value)
 * - `Array.isArray(value) === true` => then the `value[0]` represents the wrapped value.
 *   - `typeof value[TYPE] === 'object'` => `LView`
 *      - This happens when we have a component at a given location
 *   - `typeof value[TYPE] === true` => `LContainer`
 *      - This happens when we have `LContainer` binding at a given location.
 *
 *
 * NOTE: it is assumed that `Array.isArray` and `typeof` operations are very efficient.
 */
/**
 * Returns `RNode`.
 * @param value wrapped value of `RNode`, `LView`, `LContainer`
 */
function unwrapRNode(value) {
    while (Array.isArray(value)) {
        value = value[HOST];
    }
    return value;
}
/**
 * Returns `LView` or `null` if not found.
 * @param value wrapped value of `RNode`, `LView`, `LContainer`
 */
function unwrapLView(value) {
    while (Array.isArray(value)) {
        // This check is same as `isLView()` but we don't call at as we don't want to call
        // `Array.isArray()` twice and give JITer more work for inlining.
        if (typeof value[TYPE] === 'object')
            return value;
        value = value[HOST];
    }
    return null;
}
/**
 * Returns `LContainer` or `null` if not found.
 * @param value wrapped value of `RNode`, `LView`, `LContainer`
 */
function unwrapLContainer(value) {
    while (Array.isArray(value)) {
        // This check is same as `isLContainer()` but we don't call at as we don't want to call
        // `Array.isArray()` twice and give JITer more work for inlining.
        if (value[TYPE] === true)
            return value;
        value = value[HOST];
    }
    return null;
}
/**
 * Retrieves an element value from the provided `viewData`, by unwrapping
 * from any containers, component views, or style contexts.
 */
function getNativeByIndex(index, lView) {
    ngDevMode && assertIndexInRange(lView, index);
    ngDevMode && assertGreaterThanOrEqual(index, HEADER_OFFSET, 'Expected to be past HEADER_OFFSET');
    return unwrapRNode(lView[index]);
}
/**
 * Retrieve an `RNode` for a given `TNode` and `LView`.
 *
 * This function guarantees in dev mode to retrieve a non-null `RNode`.
 *
 * @param tNode
 * @param lView
 */
function getNativeByTNode(tNode, lView) {
    ngDevMode && assertTNodeForLView(tNode, lView);
    ngDevMode && assertIndexInRange(lView, tNode.index);
    const node = unwrapRNode(lView[tNode.index]);
    ngDevMode && !isProceduralRenderer(lView[RENDERER]) && assertDomNode(node);
    return node;
}
/**
 * Retrieve an `RNode` or `null` for a given `TNode` and `LView`.
 *
 * Some `TNode`s don't have associated `RNode`s. For example `Projection`
 *
 * @param tNode
 * @param lView
 */
function getNativeByTNodeOrNull(tNode, lView) {
    const index = tNode === null ? -1 : tNode.index;
    if (index !== -1) {
        ngDevMode && assertTNodeForLView(tNode, lView);
        const node = unwrapRNode(lView[index]);
        ngDevMode && node !== null && !isProceduralRenderer(lView[RENDERER]) && assertDomNode(node);
        return node;
    }
    return null;
}
// fixme(misko): The return Type should be `TNode|null`
function getTNode(tView, index) {
    ngDevMode && assertGreaterThan(index, -1, 'wrong index for TNode');
    ngDevMode && assertLessThan(index, tView.data.length, 'wrong index for TNode');
    const tNode = tView.data[index];
    ngDevMode && tNode !== null && assertTNode(tNode);
    return tNode;
}
/** Retrieves a value from any `LView` or `TData`. */
function load(view, index) {
    ngDevMode && assertIndexInRange(view, index);
    return view[index];
}
function getComponentLViewByIndex(nodeIndex, hostView) {
    // Could be an LView or an LContainer. If LContainer, unwrap to find LView.
    ngDevMode && assertIndexInRange(hostView, nodeIndex);
    const slotValue = hostView[nodeIndex];
    const lView = isLView(slotValue) ? slotValue : slotValue[HOST];
    return lView;
}
/** Checks whether a given view is in creation mode */
function isCreationMode(view) {
    return (view[FLAGS] & 4 /* CreationMode */) === 4 /* CreationMode */;
}
/**
 * Returns a boolean for whether the view is attached to the change detection tree.
 *
 * Note: This determines whether a view should be checked, not whether it's inserted
 * into a container. For that, you'll want `viewAttachedToContainer` below.
 */
function viewAttachedToChangeDetector(view) {
    return (view[FLAGS] & 128 /* Attached */) === 128 /* Attached */;
}
/** Returns a boolean for whether the view is attached to a container. */
function viewAttachedToContainer(view) {
    return isLContainer(view[PARENT]);
}
function getConstant(consts, index) {
    if (index === null || index === undefined)
        return null;
    ngDevMode && assertIndexInRange(consts, index);
    return consts[index];
}
/**
 * Resets the pre-order hook flags of the view.
 * @param lView the LView on which the flags are reset
 */
function resetPreOrderHookFlags(lView) {
    lView[PREORDER_HOOK_FLAGS] = 0;
}
/**
 * Updates the `TRANSPLANTED_VIEWS_TO_REFRESH` counter on the `LContainer` as well as the parents
 * whose
 *  1. counter goes from 0 to 1, indicating that there is a new child that has a view to refresh
 *  or
 *  2. counter goes from 1 to 0, indicating there are no more descendant views to refresh
 */
function updateTransplantedViewCount(lContainer, amount) {
    lContainer[TRANSPLANTED_VIEWS_TO_REFRESH] += amount;
    let viewOrContainer = lContainer;
    let parent = lContainer[PARENT];
    while (parent !== null &&
        ((amount === 1 && viewOrContainer[TRANSPLANTED_VIEWS_TO_REFRESH] === 1) ||
            (amount === -1 && viewOrContainer[TRANSPLANTED_VIEWS_TO_REFRESH] === 0))) {
        parent[TRANSPLANTED_VIEWS_TO_REFRESH] += amount;
        viewOrContainer = parent;
        parent = parent[PARENT];
    }
}

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
const instructionState = {
    lFrame: createLFrame(null),
    bindingsEnabled: true,
    isInCheckNoChangesMode: false,
};
/**
 * Returns true if the instruction state stack is empty.
 *
 * Intended to be called from tests only (tree shaken otherwise).
 */
function specOnlyIsInstructionStateEmpty() {
    return instructionState.lFrame.parent === null;
}
function getElementDepthCount() {
    return instructionState.lFrame.elementDepthCount;
}
function increaseElementDepthCount() {
    instructionState.lFrame.elementDepthCount++;
}
function decreaseElementDepthCount() {
    instructionState.lFrame.elementDepthCount--;
}
function getBindingsEnabled() {
    return instructionState.bindingsEnabled;
}
/**
 * Enables directive matching on elements.
 *
 *  * Example:
 * ```
 * <my-comp my-directive>
 *   Should match component / directive.
 * </my-comp>
 * <div ngNonBindable>
 *   <!-- ɵɵdisableBindings() -->
 *   <my-comp my-directive>
 *     Should not match component / directive because we are in ngNonBindable.
 *   </my-comp>
 *   <!-- ɵɵenableBindings() -->
 * </div>
 * ```
 *
 * @codeGenApi
 */
function ɵɵenableBindings() {
    instructionState.bindingsEnabled = true;
}
/**
 * Disables directive matching on element.
 *
 *  * Example:
 * ```
 * <my-comp my-directive>
 *   Should match component / directive.
 * </my-comp>
 * <div ngNonBindable>
 *   <!-- ɵɵdisableBindings() -->
 *   <my-comp my-directive>
 *     Should not match component / directive because we are in ngNonBindable.
 *   </my-comp>
 *   <!-- ɵɵenableBindings() -->
 * </div>
 * ```
 *
 * @codeGenApi
 */
function ɵɵdisableBindings() {
    instructionState.bindingsEnabled = false;
}
/**
 * Return the current `LView`.
 */
function getLView() {
    return instructionState.lFrame.lView;
}
/**
 * Return the current `TView`.
 */
function getTView() {
    return instructionState.lFrame.tView;
}
/**
 * Restores `contextViewData` to the given OpaqueViewState instance.
 *
 * Used in conjunction with the getCurrentView() instruction to save a snapshot
 * of the current view and restore it when listeners are invoked. This allows
 * walking the declaration view tree in listeners to get vars from parent views.
 *
 * @param viewToRestore The OpaqueViewState instance to restore.
 * @returns Context of the restored OpaqueViewState instance.
 *
 * @codeGenApi
 */
function ɵɵrestoreView(viewToRestore) {
    instructionState.lFrame.contextLView = viewToRestore;
    return viewToRestore[CONTEXT];
}
function getCurrentTNode() {
    let currentTNode = getCurrentTNodePlaceholderOk();
    while (currentTNode !== null && currentTNode.type === 64 /* Placeholder */) {
        currentTNode = currentTNode.parent;
    }
    return currentTNode;
}
function getCurrentTNodePlaceholderOk() {
    return instructionState.lFrame.currentTNode;
}
function getCurrentParentTNode() {
    const lFrame = instructionState.lFrame;
    const currentTNode = lFrame.currentTNode;
    return lFrame.isParent ? currentTNode : currentTNode.parent;
}
function setCurrentTNode(tNode, isParent) {
    ngDevMode && tNode && assertTNodeForTView(tNode, instructionState.lFrame.tView);
    const lFrame = instructionState.lFrame;
    lFrame.currentTNode = tNode;
    lFrame.isParent = isParent;
}
function isCurrentTNodeParent() {
    return instructionState.lFrame.isParent;
}
function setCurrentTNodeAsNotParent() {
    instructionState.lFrame.isParent = false;
}
function setCurrentTNodeAsParent() {
    instructionState.lFrame.isParent = true;
}
function getContextLView() {
    return instructionState.lFrame.contextLView;
}
function isInCheckNoChangesMode() {
    // TODO(misko): remove this from the LView since it is ngDevMode=true mode only.
    return instructionState.isInCheckNoChangesMode;
}
function setIsInCheckNoChangesMode(mode) {
    instructionState.isInCheckNoChangesMode = mode;
}
// top level variables should not be exported for performance reasons (PERF_NOTES.md)
function getBindingRoot() {
    const lFrame = instructionState.lFrame;
    let index = lFrame.bindingRootIndex;
    if (index === -1) {
        index = lFrame.bindingRootIndex = lFrame.tView.bindingStartIndex;
    }
    return index;
}
function getBindingIndex() {
    return instructionState.lFrame.bindingIndex;
}
function setBindingIndex(value) {
    return instructionState.lFrame.bindingIndex = value;
}
function nextBindingIndex() {
    return instructionState.lFrame.bindingIndex++;
}
function incrementBindingIndex(count) {
    const lFrame = instructionState.lFrame;
    const index = lFrame.bindingIndex;
    lFrame.bindingIndex = lFrame.bindingIndex + count;
    return index;
}
function isInI18nBlock() {
    return instructionState.lFrame.inI18n;
}
function setInI18nBlock(isInI18nBlock) {
    instructionState.lFrame.inI18n = isInI18nBlock;
}
/**
 * Set a new binding root index so that host template functions can execute.
 *
 * Bindings inside the host template are 0 index. But because we don't know ahead of time
 * how many host bindings we have we can't pre-compute them. For this reason they are all
 * 0 index and we just shift the root so that they match next available location in the LView.
 *
 * @param bindingRootIndex Root index for `hostBindings`
 * @param currentDirectiveIndex `TData[currentDirectiveIndex]` will point to the current directive
 *        whose `hostBindings` are being processed.
 */
function setBindingRootForHostBindings(bindingRootIndex, currentDirectiveIndex) {
    const lFrame = instructionState.lFrame;
    lFrame.bindingIndex = lFrame.bindingRootIndex = bindingRootIndex;
    setCurrentDirectiveIndex(currentDirectiveIndex);
}
/**
 * When host binding is executing this points to the directive index.
 * `TView.data[getCurrentDirectiveIndex()]` is `DirectiveDef`
 * `LView[getCurrentDirectiveIndex()]` is directive instance.
 */
function getCurrentDirectiveIndex() {
    return instructionState.lFrame.currentDirectiveIndex;
}
/**
 * Sets an index of a directive whose `hostBindings` are being processed.
 *
 * @param currentDirectiveIndex `TData` index where current directive instance can be found.
 */
function setCurrentDirectiveIndex(currentDirectiveIndex) {
    instructionState.lFrame.currentDirectiveIndex = currentDirectiveIndex;
}
/**
 * Retrieve the current `DirectiveDef` which is active when `hostBindings` instruction is being
 * executed.
 *
 * @param tData Current `TData` where the `DirectiveDef` will be looked up at.
 */
function getCurrentDirectiveDef(tData) {
    const currentDirectiveIndex = instructionState.lFrame.currentDirectiveIndex;
    return currentDirectiveIndex === -1 ? null : tData[currentDirectiveIndex];
}
function getCurrentQueryIndex() {
    return instructionState.lFrame.currentQueryIndex;
}
function setCurrentQueryIndex(value) {
    instructionState.lFrame.currentQueryIndex = value;
}
/**
 * Returns a `TNode` of the location where the current `LView` is declared at.
 *
 * @param lView an `LView` that we want to find parent `TNode` for.
 */
function getDeclarationTNode(lView) {
    const tView = lView[TVIEW];
    // Return the declaration parent for embedded views
    if (tView.type === 2 /* Embedded */) {
        ngDevMode && assertDefined(tView.declTNode, 'Embedded TNodes should have declaration parents.');
        return tView.declTNode;
    }
    // Components don't have `TView.declTNode` because each instance of component could be
    // inserted in different location, hence `TView.declTNode` is meaningless.
    // Falling back to `T_HOST` in case we cross component boundary.
    if (tView.type === 1 /* Component */) {
        return lView[T_HOST];
    }
    // Remaining TNode type is `TViewType.Root` which doesn't have a parent TNode.
    return null;
}
/**
 * This is a light weight version of the `enterView` which is needed by the DI system.
 *
 * @param lView `LView` location of the DI context.
 * @param tNode `TNode` for DI context
 * @param flags DI context flags. if `SkipSelf` flag is set than we walk up the declaration
 *     tree from `tNode`  until we find parent declared `TElementNode`.
 * @returns `true` if we have successfully entered DI associated with `tNode` (or with declared
 *     `TNode` if `flags` has  `SkipSelf`). Failing to enter DI implies that no associated
 *     `NodeInjector` can be found and we should instead use `ModuleInjector`.
 *     - If `true` than this call must be fallowed by `leaveDI`
 *     - If `false` than this call failed and we should NOT call `leaveDI`
 */
function enterDI(lView, tNode, flags) {
    ngDevMode && assertLViewOrUndefined(lView);
    if (flags & InjectFlags.SkipSelf) {
        ngDevMode && assertTNodeForTView(tNode, lView[TVIEW]);
        let parentTNode = tNode;
        let parentLView = lView;
        while (true) {
            ngDevMode && assertDefined(parentTNode, 'Parent TNode should be defined');
            parentTNode = parentTNode.parent;
            if (parentTNode === null && !(flags & InjectFlags.Host)) {
                parentTNode = getDeclarationTNode(parentLView);
                if (parentTNode === null)
                    break;
                // In this case, a parent exists and is definitely an element. So it will definitely
                // have an existing lView as the declaration view, which is why we can assume it's defined.
                ngDevMode && assertDefined(parentLView, 'Parent LView should be defined');
                parentLView = parentLView[DECLARATION_VIEW];
                // In Ivy there are Comment nodes that correspond to ngIf and NgFor embedded directives
                // We want to skip those and look only at Elements and ElementContainers to ensure
                // we're looking at true parent nodes, and not content or other types.
                if (parentTNode.type & (2 /* Element */ | 8 /* ElementContainer */)) {
                    break;
                }
            }
            else {
                break;
            }
        }
        if (parentTNode === null) {
            // If we failed to find a parent TNode this means that we should use module injector.
            return false;
        }
        else {
            tNode = parentTNode;
            lView = parentLView;
        }
    }
    ngDevMode && assertTNodeForLView(tNode, lView);
    const lFrame = instructionState.lFrame = allocLFrame();
    lFrame.currentTNode = tNode;
    lFrame.lView = lView;
    return true;
}
/**
 * Swap the current lView with a new lView.
 *
 * For performance reasons we store the lView in the top level of the module.
 * This way we minimize the number of properties to read. Whenever a new view
 * is entered we have to store the lView for later, and when the view is
 * exited the state has to be restored
 *
 * @param newView New lView to become active
 * @returns the previously active lView;
 */
function enterView(newView) {
    ngDevMode && assertNotEqual(newView[0], newView[1], '????');
    ngDevMode && assertLViewOrUndefined(newView);
    const newLFrame = allocLFrame();
    if (ngDevMode) {
        assertEqual(newLFrame.isParent, true, 'Expected clean LFrame');
        assertEqual(newLFrame.lView, null, 'Expected clean LFrame');
        assertEqual(newLFrame.tView, null, 'Expected clean LFrame');
        assertEqual(newLFrame.selectedIndex, -1, 'Expected clean LFrame');
        assertEqual(newLFrame.elementDepthCount, 0, 'Expected clean LFrame');
        assertEqual(newLFrame.currentDirectiveIndex, -1, 'Expected clean LFrame');
        assertEqual(newLFrame.currentNamespace, null, 'Expected clean LFrame');
        assertEqual(newLFrame.bindingRootIndex, -1, 'Expected clean LFrame');
        assertEqual(newLFrame.currentQueryIndex, 0, 'Expected clean LFrame');
    }
    const tView = newView[TVIEW];
    instructionState.lFrame = newLFrame;
    ngDevMode && tView.firstChild && assertTNodeForTView(tView.firstChild, tView);
    newLFrame.currentTNode = tView.firstChild;
    newLFrame.lView = newView;
    newLFrame.tView = tView;
    newLFrame.contextLView = newView;
    newLFrame.bindingIndex = tView.bindingStartIndex;
    newLFrame.inI18n = false;
}
/**
 * Allocates next free LFrame. This function tries to reuse the `LFrame`s to lower memory pressure.
 */
function allocLFrame() {
    const currentLFrame = instructionState.lFrame;
    const childLFrame = currentLFrame === null ? null : currentLFrame.child;
    const newLFrame = childLFrame === null ? createLFrame(currentLFrame) : childLFrame;
    return newLFrame;
}
function createLFrame(parent) {
    const lFrame = {
        currentTNode: null,
        isParent: true,
        lView: null,
        tView: null,
        selectedIndex: -1,
        contextLView: null,
        elementDepthCount: 0,
        currentNamespace: null,
        currentDirectiveIndex: -1,
        bindingRootIndex: -1,
        bindingIndex: -1,
        currentQueryIndex: 0,
        parent: parent,
        child: null,
        inI18n: false,
    };
    parent !== null && (parent.child = lFrame); // link the new LFrame for reuse.
    return lFrame;
}
/**
 * A lightweight version of leave which is used with DI.
 *
 * This function only resets `currentTNode` and `LView` as those are the only properties
 * used with DI (`enterDI()`).
 *
 * NOTE: This function is reexported as `leaveDI`. However `leaveDI` has return type of `void` where
 * as `leaveViewLight` has `LFrame`. This is so that `leaveViewLight` can be used in `leaveView`.
 */
function leaveViewLight() {
    const oldLFrame = instructionState.lFrame;
    instructionState.lFrame = oldLFrame.parent;
    oldLFrame.currentTNode = null;
    oldLFrame.lView = null;
    return oldLFrame;
}
/**
 * This is a lightweight version of the `leaveView` which is needed by the DI system.
 *
 * NOTE: this function is an alias so that we can change the type of the function to have `void`
 * return type.
 */
const leaveDI = leaveViewLight;
/**
 * Leave the current `LView`
 *
 * This pops the `LFrame` with the associated `LView` from the stack.
 *
 * IMPORTANT: We must zero out the `LFrame` values here otherwise they will be retained. This is
 * because for performance reasons we don't release `LFrame` but rather keep it for next use.
 */
function leaveView() {
    const oldLFrame = leaveViewLight();
    oldLFrame.isParent = true;
    oldLFrame.tView = null;
    oldLFrame.selectedIndex = -1;
    oldLFrame.contextLView = null;
    oldLFrame.elementDepthCount = 0;
    oldLFrame.currentDirectiveIndex = -1;
    oldLFrame.currentNamespace = null;
    oldLFrame.bindingRootIndex = -1;
    oldLFrame.bindingIndex = -1;
    oldLFrame.currentQueryIndex = 0;
}
function nextContextImpl(level) {
    const contextLView = instructionState.lFrame.contextLView =
        walkUpViews(level, instructionState.lFrame.contextLView);
    return contextLView[CONTEXT];
}
function walkUpViews(nestingLevel, currentView) {
    while (nestingLevel > 0) {
        ngDevMode &&
            assertDefined(currentView[DECLARATION_VIEW], 'Declaration view should be defined if nesting level is greater than 0.');
        currentView = currentView[DECLARATION_VIEW];
        nestingLevel--;
    }
    return currentView;
}
/**
 * Gets the currently selected element index.
 *
 * Used with {@link property} instruction (and more in the future) to identify the index in the
 * current `LView` to act on.
 */
function getSelectedIndex() {
    return instructionState.lFrame.selectedIndex;
}
/**
 * Sets the most recent index passed to {@link select}
 *
 * Used with {@link property} instruction (and more in the future) to identify the index in the
 * current `LView` to act on.
 *
 * (Note that if an "exit function" was set earlier (via `setElementExitFn()`) then that will be
 * run if and when the provided `index` value is different from the current selected index value.)
 */
function setSelectedIndex(index) {
    ngDevMode && index !== -1 &&
        assertGreaterThanOrEqual(index, HEADER_OFFSET, 'Index must be past HEADER_OFFSET (or -1).');
    ngDevMode &&
        assertLessThan(index, instructionState.lFrame.lView.length, 'Can\'t set index passed end of LView');
    instructionState.lFrame.selectedIndex = index;
}
/**
 * Gets the `tNode` that represents currently selected element.
 */
function getSelectedTNode() {
    const lFrame = instructionState.lFrame;
    return getTNode(lFrame.tView, lFrame.selectedIndex);
}
/**
 * Sets the namespace used to create elements to `'http://www.w3.org/2000/svg'` in global state.
 *
 * @codeGenApi
 */
function ɵɵnamespaceSVG() {
    instructionState.lFrame.currentNamespace = SVG_NAMESPACE;
}
/**
 * Sets the namespace used to create elements to `'http://www.w3.org/1998/MathML/'` in global state.
 *
 * @codeGenApi
 */
function ɵɵnamespaceMathML() {
    instructionState.lFrame.currentNamespace = MATH_ML_NAMESPACE;
}
/**
 * Sets the namespace used to create elements to `null`, which forces element creation to use
 * `createElement` rather than `createElementNS`.
 *
 * @codeGenApi
 */
function ɵɵnamespaceHTML() {
    namespaceHTMLInternal();
}
/**
 * Sets the namespace used to create elements to `null`, which forces element creation to use
 * `createElement` rather than `createElementNS`.
 */
function namespaceHTMLInternal() {
    instructionState.lFrame.currentNamespace = null;
}
function getNamespace() {
    return instructionState.lFrame.currentNamespace;
}

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
/**
 * Adds all directive lifecycle hooks from the given `DirectiveDef` to the given `TView`.
 *
 * Must be run *only* on the first template pass.
 *
 * Sets up the pre-order hooks on the provided `tView`,
 * see {@link HookData} for details about the data structure.
 *
 * @param directiveIndex The index of the directive in LView
 * @param directiveDef The definition containing the hooks to setup in tView
 * @param tView The current TView
 */
function registerPreOrderHooks(directiveIndex, directiveDef, tView) {
    ngDevMode && assertFirstCreatePass(tView);
    const { ngOnChanges, ngOnInit, ngDoCheck } = directiveDef.type.prototype;
    if (ngOnChanges) {
        const wrappedOnChanges = NgOnChangesFeatureImpl(directiveDef);
        (tView.preOrderHooks || (tView.preOrderHooks = [])).push(directiveIndex, wrappedOnChanges);
        (tView.preOrderCheckHooks || (tView.preOrderCheckHooks = []))
            .push(directiveIndex, wrappedOnChanges);
    }
    if (ngOnInit) {
        (tView.preOrderHooks || (tView.preOrderHooks = [])).push(0 - directiveIndex, ngOnInit);
    }
    if (ngDoCheck) {
        (tView.preOrderHooks || (tView.preOrderHooks = [])).push(directiveIndex, ngDoCheck);
        (tView.preOrderCheckHooks || (tView.preOrderCheckHooks = [])).push(directiveIndex, ngDoCheck);
    }
}
/**
 *
 * Loops through the directives on the provided `tNode` and queues hooks to be
 * run that are not initialization hooks.
 *
 * Should be executed during `elementEnd()` and similar to
 * preserve hook execution order. Content, view, and destroy hooks for projected
 * components and directives must be called *before* their hosts.
 *
 * Sets up the content, view, and destroy hooks on the provided `tView`,
 * see {@link HookData} for details about the data structure.
 *
 * NOTE: This does not set up `onChanges`, `onInit` or `doCheck`, those are set up
 * separately at `elementStart`.
 *
 * @param tView The current TView
 * @param tNode The TNode whose directives are to be searched for hooks to queue
 */
function registerPostOrderHooks(tView, tNode) {
    ngDevMode && assertFirstCreatePass(tView);
    // It's necessary to loop through the directives at elementEnd() (rather than processing in
    // directiveCreate) so we can preserve the current hook order. Content, view, and destroy
    // hooks for projected components and directives must be called *before* their hosts.
    for (let i = tNode.directiveStart, end = tNode.directiveEnd; i < end; i++) {
        const directiveDef = tView.data[i];
        ngDevMode && assertDefined(directiveDef, 'Expecting DirectiveDef');
        const lifecycleHooks = directiveDef.type.prototype;
        const { ngAfterContentInit, ngAfterContentChecked, ngAfterViewInit, ngAfterViewChecked, ngOnDestroy } = lifecycleHooks;
        if (ngAfterContentInit) {
            (tView.contentHooks || (tView.contentHooks = [])).push(-i, ngAfterContentInit);
        }
        if (ngAfterContentChecked) {
            (tView.contentHooks || (tView.contentHooks = [])).push(i, ngAfterContentChecked);
            (tView.contentCheckHooks || (tView.contentCheckHooks = [])).push(i, ngAfterContentChecked);
        }
        if (ngAfterViewInit) {
            (tView.viewHooks || (tView.viewHooks = [])).push(-i, ngAfterViewInit);
        }
        if (ngAfterViewChecked) {
            (tView.viewHooks || (tView.viewHooks = [])).push(i, ngAfterViewChecked);
            (tView.viewCheckHooks || (tView.viewCheckHooks = [])).push(i, ngAfterViewChecked);
        }
        if (ngOnDestroy != null) {
            (tView.destroyHooks || (tView.destroyHooks = [])).push(i, ngOnDestroy);
        }
    }
}
/**
 * Executing hooks requires complex logic as we need to deal with 2 constraints.
 *
 * 1. Init hooks (ngOnInit, ngAfterContentInit, ngAfterViewInit) must all be executed once and only
 * once, across many change detection cycles. This must be true even if some hooks throw, or if
 * some recursively trigger a change detection cycle.
 * To solve that, it is required to track the state of the execution of these init hooks.
 * This is done by storing and maintaining flags in the view: the {@link InitPhaseState},
 * and the index within that phase. They can be seen as a cursor in the following structure:
 * [[onInit1, onInit2], [afterContentInit1], [afterViewInit1, afterViewInit2, afterViewInit3]]
 * They are are stored as flags in LView[FLAGS].
 *
 * 2. Pre-order hooks can be executed in batches, because of the select instruction.
 * To be able to pause and resume their execution, we also need some state about the hook's array
 * that is being processed:
 * - the index of the next hook to be executed
 * - the number of init hooks already found in the processed part of the  array
 * They are are stored as flags in LView[PREORDER_HOOK_FLAGS].
 */
/**
 * Executes pre-order check hooks ( OnChanges, DoChanges) given a view where all the init hooks were
 * executed once. This is a light version of executeInitAndCheckPreOrderHooks where we can skip read
 * / write of the init-hooks related flags.
 * @param lView The LView where hooks are defined
 * @param hooks Hooks to be run
 * @param nodeIndex 3 cases depending on the value:
 * - undefined: all hooks from the array should be executed (post-order case)
 * - null: execute hooks only from the saved index until the end of the array (pre-order case, when
 * flushing the remaining hooks)
 * - number: execute hooks only from the saved index until that node index exclusive (pre-order
 * case, when executing select(number))
 */
function executeCheckHooks(lView, hooks, nodeIndex) {
    callHooks(lView, hooks, 3 /* InitPhaseCompleted */, nodeIndex);
}
/**
 * Executes post-order init and check hooks (one of AfterContentInit, AfterContentChecked,
 * AfterViewInit, AfterViewChecked) given a view where there are pending init hooks to be executed.
 * @param lView The LView where hooks are defined
 * @param hooks Hooks to be run
 * @param initPhase A phase for which hooks should be run
 * @param nodeIndex 3 cases depending on the value:
 * - undefined: all hooks from the array should be executed (post-order case)
 * - null: execute hooks only from the saved index until the end of the array (pre-order case, when
 * flushing the remaining hooks)
 * - number: execute hooks only from the saved index until that node index exclusive (pre-order
 * case, when executing select(number))
 */
function executeInitAndCheckHooks(lView, hooks, initPhase, nodeIndex) {
    ngDevMode &&
        assertNotEqual(initPhase, 3 /* InitPhaseCompleted */, 'Init pre-order hooks should not be called more than once');
    if ((lView[FLAGS] & 3 /* InitPhaseStateMask */) === initPhase) {
        callHooks(lView, hooks, initPhase, nodeIndex);
    }
}
function incrementInitPhaseFlags(lView, initPhase) {
    ngDevMode &&
        assertNotEqual(initPhase, 3 /* InitPhaseCompleted */, 'Init hooks phase should not be incremented after all init hooks have been run.');
    let flags = lView[FLAGS];
    if ((flags & 3 /* InitPhaseStateMask */) === initPhase) {
        flags &= 2047 /* IndexWithinInitPhaseReset */;
        flags += 1 /* InitPhaseStateIncrementer */;
        lView[FLAGS] = flags;
    }
}
/**
 * Calls lifecycle hooks with their contexts, skipping init hooks if it's not
 * the first LView pass
 *
 * @param currentView The current view
 * @param arr The array in which the hooks are found
 * @param initPhaseState the current state of the init phase
 * @param currentNodeIndex 3 cases depending on the value:
 * - undefined: all hooks from the array should be executed (post-order case)
 * - null: execute hooks only from the saved index until the end of the array (pre-order case, when
 * flushing the remaining hooks)
 * - number: execute hooks only from the saved index until that node index exclusive (pre-order
 * case, when executing select(number))
 */
function callHooks(currentView, arr, initPhase, currentNodeIndex) {
    ngDevMode &&
        assertEqual(isInCheckNoChangesMode(), false, 'Hooks should never be run when in check no changes mode.');
    const startIndex = currentNodeIndex !== undefined ?
        (currentView[PREORDER_HOOK_FLAGS] & 65535 /* IndexOfTheNextPreOrderHookMaskMask */) :
        0;
    const nodeIndexLimit = currentNodeIndex != null ? currentNodeIndex : -1;
    const max = arr.length - 1; // Stop the loop at length - 1, because we look for the hook at i + 1
    let lastNodeIndexFound = 0;
    for (let i = startIndex; i < max; i++) {
        const hook = arr[i + 1];
        if (typeof hook === 'number') {
            lastNodeIndexFound = arr[i];
            if (currentNodeIndex != null && lastNodeIndexFound >= currentNodeIndex) {
                break;
            }
        }
        else {
            const isInitHook = arr[i] < 0;
            if (isInitHook)
                currentView[PREORDER_HOOK_FLAGS] += 65536 /* NumberOfInitHooksCalledIncrementer */;
            if (lastNodeIndexFound < nodeIndexLimit || nodeIndexLimit == -1) {
                callHook(currentView, initPhase, arr, i);
                currentView[PREORDER_HOOK_FLAGS] =
                    (currentView[PREORDER_HOOK_FLAGS] & 4294901760 /* NumberOfInitHooksCalledMask */) + i +
                        2;
            }
            i++;
        }
    }
}
/**
 * Execute one hook against the current `LView`.
 *
 * @param currentView The current view
 * @param initPhaseState the current state of the init phase
 * @param arr The array in which the hooks are found
 * @param i The current index within the hook data array
 */
function callHook(currentView, initPhase, arr, i) {
    const isInitHook = arr[i] < 0;
    const hook = arr[i + 1];
    const directiveIndex = isInitHook ? -arr[i] : arr[i];
    const directive = currentView[directiveIndex];
    if (isInitHook) {
        const indexWithintInitPhase = currentView[FLAGS] >> 11 /* IndexWithinInitPhaseShift */;
        // The init phase state must be always checked here as it may have been recursively updated.
        if (indexWithintInitPhase <
            (currentView[PREORDER_HOOK_FLAGS] >> 16 /* NumberOfInitHooksCalledShift */) &&
            (currentView[FLAGS] & 3 /* InitPhaseStateMask */) === initPhase) {
            currentView[FLAGS] += 2048 /* IndexWithinInitPhaseIncrementer */;
            profiler(4 /* LifecycleHookStart */, directive, hook);
            try {
                hook.call(directive);
            }
            finally {
                profiler(5 /* LifecycleHookEnd */, directive, hook);
            }
        }
    }
    else {
        profiler(4 /* LifecycleHookStart */, directive, hook);
        try {
            hook.call(directive);
        }
        finally {
            profiler(5 /* LifecycleHookEnd */, directive, hook);
        }
    }
}

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
const NO_PARENT_INJECTOR = -1;
/**
 * Each injector is saved in 9 contiguous slots in `LView` and 9 contiguous slots in
 * `TView.data`. This allows us to store information about the current node's tokens (which
 * can be shared in `TView`) as well as the tokens of its ancestor nodes (which cannot be
 * shared, so they live in `LView`).
 *
 * Each of these slots (aside from the last slot) contains a bloom filter. This bloom filter
 * determines whether a directive is available on the associated node or not. This prevents us
 * from searching the directives array at this level unless it's probable the directive is in it.
 *
 * See: https://en.wikipedia.org/wiki/Bloom_filter for more about bloom filters.
 *
 * Because all injectors have been flattened into `LView` and `TViewData`, they cannot typed
 * using interfaces as they were previously. The start index of each `LInjector` and `TInjector`
 * will differ based on where it is flattened into the main array, so it's not possible to know
 * the indices ahead of time and save their types here. The interfaces are still included here
 * for documentation purposes.
 *
 * export interface LInjector extends Array<any> {
 *
 *    // Cumulative bloom for directive IDs 0-31  (IDs are % BLOOM_SIZE)
 *    [0]: number;
 *
 *    // Cumulative bloom for directive IDs 32-63
 *    [1]: number;
 *
 *    // Cumulative bloom for directive IDs 64-95
 *    [2]: number;
 *
 *    // Cumulative bloom for directive IDs 96-127
 *    [3]: number;
 *
 *    // Cumulative bloom for directive IDs 128-159
 *    [4]: number;
 *
 *    // Cumulative bloom for directive IDs 160 - 191
 *    [5]: number;
 *
 *    // Cumulative bloom for directive IDs 192 - 223
 *    [6]: number;
 *
 *    // Cumulative bloom for directive IDs 224 - 255
 *    [7]: number;
 *
 *    // We need to store a reference to the injector's parent so DI can keep looking up
 *    // the injector tree until it finds the dependency it's looking for.
 *    [PARENT_INJECTOR]: number;
 * }
 *
 * export interface TInjector extends Array<any> {
 *
 *    // Shared node bloom for directive IDs 0-31  (IDs are % BLOOM_SIZE)
 *    [0]: number;
 *
 *    // Shared node bloom for directive IDs 32-63
 *    [1]: number;
 *
 *    // Shared node bloom for directive IDs 64-95
 *    [2]: number;
 *
 *    // Shared node bloom for directive IDs 96-127
 *    [3]: number;
 *
 *    // Shared node bloom for directive IDs 128-159
 *    [4]: number;
 *
 *    // Shared node bloom for directive IDs 160 - 191
 *    [5]: number;
 *
 *    // Shared node bloom for directive IDs 192 - 223
 *    [6]: number;
 *
 *    // Shared node bloom for directive IDs 224 - 255
 *    [7]: number;
 *
 *    // Necessary to find directive indices for a particular node.
 *    [TNODE]: TElementNode|TElementContainerNode|TContainerNode;
 *  }
 */
/**
 * Factory for creating instances of injectors in the NodeInjector.
 *
 * This factory is complicated by the fact that it can resolve `multi` factories as well.
 *
 * NOTE: Some of the fields are optional which means that this class has two hidden classes.
 * - One without `multi` support (most common)
 * - One with `multi` values, (rare).
 *
 * Since VMs can cache up to 4 inline hidden classes this is OK.
 *
 * - Single factory: Only `resolving` and `factory` is defined.
 * - `providers` factory: `componentProviders` is a number and `index = -1`.
 * - `viewProviders` factory: `componentProviders` is a number and `index` points to `providers`.
 */
class NodeInjectorFactory {
    constructor(
    /**
     * Factory to invoke in order to create a new instance.
     */
    factory, 
    /**
     * Set to `true` if the token is declared in `viewProviders` (or if it is component).
     */
    isViewProvider, injectImplementation) {
        this.factory = factory;
        /**
         * Marker set to true during factory invocation to see if we get into recursive loop.
         * Recursive loop causes an error to be displayed.
         */
        this.resolving = false;
        ngDevMode && assertDefined(factory, 'Factory not specified');
        ngDevMode && assertEqual(typeof factory, 'function', 'Expected factory function.');
        this.canSeeViewProviders = isViewProvider;
        this.injectImpl = injectImplementation;
    }
}
function isFactory(obj) {
    return obj instanceof NodeInjectorFactory;
}
// Note: This hack is necessary so we don't erroneously get a circular dependency
// failure based on types.
const unusedValueExportToPlacateAjd$3 = 1;

/**
 * Converts `TNodeType` into human readable text.
 * Make sure this matches with `TNodeType`
 */
function toTNodeTypeAsString(tNodeType) {
    let text = '';
    (tNodeType & 1 /* Text */) && (text += '|Text');
    (tNodeType & 2 /* Element */) && (text += '|Element');
    (tNodeType & 4 /* Container */) && (text += '|Container');
    (tNodeType & 8 /* ElementContainer */) && (text += '|ElementContainer');
    (tNodeType & 16 /* Projection */) && (text += '|Projection');
    (tNodeType & 32 /* Icu */) && (text += '|IcuContainer');
    (tNodeType & 64 /* Placeholder */) && (text += '|Placeholder');
    return text.length > 0 ? text.substring(1) : text;
}
// Note: This hack is necessary so we don't erroneously get a circular dependency
// failure based on types.
const unusedValueExportToPlacateAjd$4 = 1;
/**
 * Returns `true` if the `TNode` has a directive which has `@Input()` for `class` binding.
 *
 * ```
 * <div my-dir [class]="exp"></div>
 * ```
 * and
 * ```
 * @Directive({
 * })
 * class MyDirective {
 *   @Input()
 *   class: string;
 * }
 * ```
 *
 * In the above case it is necessary to write the reconciled styling information into the
 * directive's input.
 *
 * @param tNode
 */
function hasClassInput(tNode) {
    return (tNode.flags & 16 /* hasClassInput */) !== 0;
}
/**
 * Returns `true` if the `TNode` has a directive which has `@Input()` for `style` binding.
 *
 * ```
 * <div my-dir [style]="exp"></div>
 * ```
 * and
 * ```
 * @Directive({
 * })
 * class MyDirective {
 *   @Input()
 *   class: string;
 * }
 * ```
 *
 * In the above case it is necessary to write the reconciled styling information into the
 * directive's input.
 *
 * @param tNode
 */
function hasStyleInput(tNode) {
    return (tNode.flags & 32 /* hasStyleInput */) !== 0;
}

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
function assertTNodeType(tNode, expectedTypes, message) {
    assertDefined(tNode, 'should be called with a TNode');
    if ((tNode.type & expectedTypes) === 0) {
        throwError(message ||
            `Expected [${toTNodeTypeAsString(expectedTypes)}] but got ${toTNodeTypeAsString(tNode.type)}.`);
    }
}
function assertPureTNodeType(type) {
    if (!(type === 2 /* Element */ || //
        type === 1 /* Text */ || //
        type === 4 /* Container */ || //
        type === 8 /* ElementContainer */ || //
        type === 32 /* Icu */ || //
        type === 16 /* Projection */ || //
        type === 64 /* Placeholder */)) {
        throwError(`Expected TNodeType to have only a single type selected, but got ${toTNodeTypeAsString(type)}.`);
    }
}

/**
 * Assigns all attribute values to the provided element via the inferred renderer.
 *
 * This function accepts two forms of attribute entries:
 *
 * default: (key, value):
 *  attrs = [key1, value1, key2, value2]
 *
 * namespaced: (NAMESPACE_MARKER, uri, name, value)
 *  attrs = [NAMESPACE_MARKER, uri, name, value, NAMESPACE_MARKER, uri, name, value]
 *
 * The `attrs` array can contain a mix of both the default and namespaced entries.
 * The "default" values are set without a marker, but if the function comes across
 * a marker value then it will attempt to set a namespaced value. If the marker is
 * not of a namespaced value then the function will quit and return the index value
 * where it stopped during the iteration of the attrs array.
 *
 * See [AttributeMarker] to understand what the namespace marker value is.
 *
 * Note that this instruction does not support assigning style and class values to
 * an element. See `elementStart` and `elementHostAttrs` to learn how styling values
 * are applied to an element.
 * @param renderer The renderer to be used
 * @param native The element that the attributes will be assigned to
 * @param attrs The attribute array of values that will be assigned to the element
 * @returns the index value that was last accessed in the attributes array
 */
function setUpAttributes(renderer, native, attrs) {
    const isProc = isProceduralRenderer(renderer);
    let i = 0;
    while (i < attrs.length) {
        const value = attrs[i];
        if (typeof value === 'number') {
            // only namespaces are supported. Other value types (such as style/class
            // entries) are not supported in this function.
            if (value !== 0 /* NamespaceURI */) {
                break;
            }
            // we just landed on the marker value ... therefore
            // we should skip to the next entry
            i++;
            const namespaceURI = attrs[i++];
            const attrName = attrs[i++];
            const attrVal = attrs[i++];
            ngDevMode && ngDevMode.rendererSetAttribute++;
            isProc ?
                renderer.setAttribute(native, attrName, attrVal, namespaceURI) :
                native.setAttributeNS(namespaceURI, attrName, attrVal);
        }
        else {
            // attrName is string;
            const attrName = value;
            const attrVal = attrs[++i];
            // Standard attributes
            ngDevMode && ngDevMode.rendererSetAttribute++;
            if (isAnimationProp(attrName)) {
                if (isProc) {
                    renderer.setProperty(native, attrName, attrVal);
                }
            }
            else {
                isProc ?
                    renderer.setAttribute(native, attrName, attrVal) :
                    native.setAttribute(attrName, attrVal);
            }
            i++;
        }
    }
    // another piece of code may iterate over the same attributes array. Therefore
    // it may be helpful to return the exact spot where the attributes array exited
    // whether by running into an unsupported marker or if all the static values were
    // iterated over.
    return i;
}
/**
 * Test whether the given value is a marker that indicates that the following
 * attribute values in a `TAttributes` array are only the names of attributes,
 * and not name-value pairs.
 * @param marker The attribute marker to test.
 * @returns true if the marker is a "name-only" marker (e.g. `Bindings`, `Template` or `I18n`).
 */
function isNameOnlyAttributeMarker(marker) {
    return marker === 3 /* Bindings */ || marker === 4 /* Template */ ||
        marker === 6 /* I18n */;
}
function isAnimationProp(name) {
    // Perf note: accessing charCodeAt to check for the first character of a string is faster as
    // compared to accessing a character at index 0 (ex. name[0]). The main reason for this is that
    // charCodeAt doesn't allocate memory to return a substring.
    return name.charCodeAt(0) === 64 /* AT_SIGN */;
}
/**
 * Merges `src` `TAttributes` into `dst` `TAttributes` removing any duplicates in the process.
 *
 * This merge function keeps the order of attrs same.
 *
 * @param dst Location of where the merged `TAttributes` should end up.
 * @param src `TAttributes` which should be appended to `dst`
 */
function mergeHostAttrs(dst, src) {
    if (src === null || src.length === 0) {
        // do nothing
    }
    else if (dst === null || dst.length === 0) {
        // We have source, but dst is empty, just make a copy.
        dst = src.slice();
    }
    else {
        let srcMarker = -1 /* ImplicitAttributes */;
        for (let i = 0; i < src.length; i++) {
            const item = src[i];
            if (typeof item === 'number') {
                srcMarker = item;
            }
            else {
                if (srcMarker === 0 /* NamespaceURI */) {
                    // Case where we need to consume `key1`, `key2`, `value` items.
                }
                else if (srcMarker === -1 /* ImplicitAttributes */ ||
                    srcMarker === 2 /* Styles */) {
                    // Case where we have to consume `key1` and `value` only.
                    mergeHostAttribute(dst, srcMarker, item, null, src[++i]);
                }
                else {
                    // Case where we have to consume `key1` only.
                    mergeHostAttribute(dst, srcMarker, item, null, null);
                }
            }
        }
    }
    return dst;
}
/**
 * Append `key`/`value` to existing `TAttributes` taking region marker and duplicates into account.
 *
 * @param dst `TAttributes` to append to.
 * @param marker Region where the `key`/`value` should be added.
 * @param key1 Key to add to `TAttributes`
 * @param key2 Key to add to `TAttributes` (in case of `AttributeMarker.NamespaceURI`)
 * @param value Value to add or to overwrite to `TAttributes` Only used if `marker` is not Class.
 */
function mergeHostAttribute(dst, marker, key1, key2, value) {
    let i = 0;
    // Assume that new markers will be inserted at the end.
    let markerInsertPosition = dst.length;
    // scan until correct type.
    if (marker === -1 /* ImplicitAttributes */) {
        markerInsertPosition = -1;
    }
    else {
        while (i < dst.length) {
            const dstValue = dst[i++];
            if (typeof dstValue === 'number') {
                if (dstValue === marker) {
                    markerInsertPosition = -1;
                    break;
                }
                else if (dstValue > marker) {
                    // We need to save this as we want the markers to be inserted in specific order.
                    markerInsertPosition = i - 1;
                    break;
                }
            }
        }
    }
    // search until you find place of insertion
    while (i < dst.length) {
        const item = dst[i];
        if (typeof item === 'number') {
            // since `i` started as the index after the marker, we did not find it if we are at the next
            // marker
            break;
        }
        else if (item === key1) {
            // We already have same token
            if (key2 === null) {
                if (value !== null) {
                    dst[i + 1] = value;
                }
                return;
            }
            else if (key2 === dst[i + 1]) {
                dst[i + 2] = value;
                return;
            }
        }
        // Increment counter.
        i++;
        if (key2 !== null)
            i++;
        if (value !== null)
            i++;
    }
    // insert at location.
    if (markerInsertPosition !== -1) {
        dst.splice(markerInsertPosition, 0, marker);
        i = markerInsertPosition + 1;
    }
    dst.splice(i++, 0, key1);
    if (key2 !== null) {
        dst.splice(i++, 0, key2);
    }
    if (value !== null) {
        dst.splice(i++, 0, value);
    }
}

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
/// Parent Injector Utils ///////////////////////////////////////////////////////////////
function hasParentInjector(parentLocation) {
    return parentLocation !== NO_PARENT_INJECTOR;
}
function getParentInjectorIndex(parentLocation) {
    ngDevMode && assertNumber(parentLocation, 'Number expected');
    ngDevMode && assertNotEqual(parentLocation, -1, 'Not a valid state.');
    const parentInjectorIndex = parentLocation & 32767 /* InjectorIndexMask */;
    ngDevMode &&
        assertGreaterThan(parentInjectorIndex, HEADER_OFFSET, 'Parent injector must be pointing past HEADER_OFFSET.');
    return parentLocation & 32767 /* InjectorIndexMask */;
}
function getParentInjectorViewOffset(parentLocation) {
    return parentLocation >> 16 /* ViewOffsetShift */;
}
/**
 * Unwraps a parent injector location number to find the view offset from the current injector,
 * then walks up the declaration view tree until the view is found that contains the parent
 * injector.
 *
 * @param location The location of the parent injector, which contains the view offset
 * @param startView The LView instance from which to start walking up the view tree
 * @returns The LView instance that contains the parent injector
 */
function getParentInjectorView(location, startView) {
    let viewOffset = getParentInjectorViewOffset(location);
    let parentView = startView;
    // For most cases, the parent injector can be found on the host node (e.g. for component
    // or container), but we must keep the loop here to support the rarer case of deeply nested
    // <ng-template> tags or inline views, where the parent injector might live many views
    // above the child injector.
    while (viewOffset > 0) {
        parentView = parentView[DECLARATION_VIEW];
        viewOffset--;
    }
    return parentView;
}

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
/**
 * Defines if the call to `inject` should include `viewProviders` in its resolution.
 *
 * This is set to true when we try to instantiate a component. This value is reset in
 * `getNodeInjectable` to a value which matches the declaration location of the token about to be
 * instantiated. This is done so that if we are injecting a token which was declared outside of
 * `viewProviders` we don't accidentally pull `viewProviders` in.
 *
 * Example:
 *
 * ```
 * @Injectable()
 * class MyService {
 *   constructor(public value: String) {}
 * }
 *
 * @Component({
 *   providers: [
 *     MyService,
 *     {provide: String, value: 'providers' }
 *   ]
 *   viewProviders: [
 *     {provide: String, value: 'viewProviders'}
 *   ]
 * })
 * class MyComponent {
 *   constructor(myService: MyService, value: String) {
 *     // We expect that Component can see into `viewProviders`.
 *     expect(value).toEqual('viewProviders');
 *     // `MyService` was not declared in `viewProviders` hence it can't see it.
 *     expect(myService.value).toEqual('providers');
 *   }
 * }
 *
 * ```
 */
let includeViewProviders = true;
function setIncludeViewProviders(v) {
    const oldValue = includeViewProviders;
    includeViewProviders = v;
    return oldValue;
}
/**
 * The number of slots in each bloom filter (used by DI). The larger this number, the fewer
 * directives that will share slots, and thus, the fewer false positives when checking for
 * the existence of a directive.
 */
const BLOOM_SIZE = 256;
const BLOOM_MASK = BLOOM_SIZE - 1;
/**
 * The number of bits that is represented by a single bloom bucket. JS bit operations are 32 bits,
 * so each bucket represents 32 distinct tokens which accounts for log2(32) = 5 bits of a bloom hash
 * number.
 */
const BLOOM_BUCKET_BITS = 5;
/** Counter used to generate unique IDs for directives. */
let nextNgElementId = 0;
/**
 * Registers this directive as present in its node's injector by flipping the directive's
 * corresponding bit in the injector's bloom filter.
 *
 * @param injectorIndex The index of the node injector where this token should be registered
 * @param tView The TView for the injector's bloom filters
 * @param type The directive token to register
 */
function bloomAdd(injectorIndex, tView, type) {
    ngDevMode && assertEqual(tView.firstCreatePass, true, 'expected firstCreatePass to be true');
    let id;
    if (typeof type === 'string') {
        id = type.charCodeAt(0) || 0;
    }
    else if (type.hasOwnProperty(NG_ELEMENT_ID)) {
        id = type[NG_ELEMENT_ID];
    }
    // Set a unique ID on the directive type, so if something tries to inject the directive,
    // we can easily retrieve the ID and hash it into the bloom bit that should be checked.
    if (id == null) {
        id = type[NG_ELEMENT_ID] = nextNgElementId++;
    }
    // We only have BLOOM_SIZE (256) slots in our bloom filter (8 buckets * 32 bits each),
    // so all unique IDs must be modulo-ed into a number from 0 - 255 to fit into the filter.
    const bloomHash = id & BLOOM_MASK;
    // Create a mask that targets the specific bit associated with the directive.
    // JS bit operations are 32 bits, so this will be a number between 2^0 and 2^31, corresponding
    // to bit positions 0 - 31 in a 32 bit integer.
    const mask = 1 << bloomHash;
    // Each bloom bucket in `tData` represents `BLOOM_BUCKET_BITS` number of bits of `bloomHash`.
    // Any bits in `bloomHash` beyond `BLOOM_BUCKET_BITS` indicate the bucket offset that the mask
    // should be written to.
    tView.data[injectorIndex + (bloomHash >> BLOOM_BUCKET_BITS)] |= mask;
}
/**
 * Creates (or gets an existing) injector for a given element or container.
 *
 * @param tNode for which an injector should be retrieved / created.
 * @param lView View where the node is stored
 * @returns Node injector
 */
function getOrCreateNodeInjectorForNode(tNode, lView) {
    const existingInjectorIndex = getInjectorIndex(tNode, lView);
    if (existingInjectorIndex !== -1) {
        return existingInjectorIndex;
    }
    const tView = lView[TVIEW];
    if (tView.firstCreatePass) {
        tNode.injectorIndex = lView.length;
        insertBloom(tView.data, tNode); // foundation for node bloom
        insertBloom(lView, null); // foundation for cumulative bloom
        insertBloom(tView.blueprint, null);
    }
    const parentLoc = getParentInjectorLocation(tNode, lView);
    const injectorIndex = tNode.injectorIndex;
    // If a parent injector can't be found, its location is set to -1.
    // In that case, we don't need to set up a cumulative bloom
    if (hasParentInjector(parentLoc)) {
        const parentIndex = getParentInjectorIndex(parentLoc);
        const parentLView = getParentInjectorView(parentLoc, lView);
        const parentData = parentLView[TVIEW].data;
        // Creates a cumulative bloom filter that merges the parent's bloom filter
        // and its own cumulative bloom (which contains tokens for all ancestors)
        for (let i = 0; i < 8 /* BLOOM_SIZE */; i++) {
            lView[injectorIndex + i] = parentLView[parentIndex + i] | parentData[parentIndex + i];
        }
    }
    lView[injectorIndex + 8 /* PARENT */] = parentLoc;
    return injectorIndex;
}
function insertBloom(arr, footer) {
    arr.push(0, 0, 0, 0, 0, 0, 0, 0, footer);
}
function getInjectorIndex(tNode, lView) {
    if (tNode.injectorIndex === -1 ||
        // If the injector index is the same as its parent's injector index, then the index has been
        // copied down from the parent node. No injector has been created yet on this node.
        (tNode.parent && tNode.parent.injectorIndex === tNode.injectorIndex) ||
        // After the first template pass, the injector index might exist but the parent values
        // might not have been calculated yet for this instance
        lView[tNode.injectorIndex + 8 /* PARENT */] === null) {
        return -1;
    }
    else {
        ngDevMode && assertIndexInRange(lView, tNode.injectorIndex);
        return tNode.injectorIndex;
    }
}
/**
 * Finds the index of the parent injector, with a view offset if applicable. Used to set the
 * parent injector initially.
 *
 * @returns Returns a number that is the combination of the number of LViews that we have to go up
 * to find the LView containing the parent inject AND the index of the injector within that LView.
 */
function getParentInjectorLocation(tNode, lView) {
    if (tNode.parent && tNode.parent.injectorIndex !== -1) {
        // If we have a parent `TNode` and there is an injector associated with it we are done, because
        // the parent injector is within the current `LView`.
        return tNode.parent.injectorIndex; // ViewOffset is 0
    }
    // When parent injector location is computed it may be outside of the current view. (ie it could
    // be pointing to a declared parent location). This variable stores number of declaration parents
    // we need to walk up in order to find the parent injector location.
    let declarationViewOffset = 0;
    let parentTNode = null;
    let lViewCursor = lView;
    // The parent injector is not in the current `LView`. We will have to walk the declared parent
    // `LView` hierarchy and look for it. If we walk of the top, that means that there is no parent
    // `NodeInjector`.
    while (lViewCursor !== null) {
        // First determine the `parentTNode` location. The parent pointer differs based on `TView.type`.
        const tView = lViewCursor[TVIEW];
        const tViewType = tView.type;
        if (tViewType === 2 /* Embedded */) {
            ngDevMode &&
                assertDefined(tView.declTNode, 'Embedded TNodes should have declaration parents.');
            parentTNode = tView.declTNode;
        }
        else if (tViewType === 1 /* Component */) {
            // Components don't have `TView.declTNode` because each instance of component could be
            // inserted in different location, hence `TView.declTNode` is meaningless.
            parentTNode = lViewCursor[T_HOST];
        }
        else {
            ngDevMode && assertEqual(tView.type, 0 /* Root */, 'Root type expected');
            parentTNode = null;
        }
        if (parentTNode === null) {
            // If we have no parent, than we are done.
            return NO_PARENT_INJECTOR;
        }
        ngDevMode && parentTNode && assertTNodeForLView(parentTNode, lViewCursor[DECLARATION_VIEW]);
        // Every iteration of the loop requires that we go to the declared parent.
        declarationViewOffset++;
        lViewCursor = lViewCursor[DECLARATION_VIEW];
        if (parentTNode.injectorIndex !== -1) {
            // We found a NodeInjector which points to something.
            return (parentTNode.injectorIndex |
                (declarationViewOffset << 16 /* ViewOffsetShift */));
        }
    }
    return NO_PARENT_INJECTOR;
}
/**
 * Makes a type or an injection token public to the DI system by adding it to an
 * injector's bloom filter.
 *
 * @param di The node injector in which a directive will be added
 * @param token The type or the injection token to be made public
 */
function diPublicInInjector(injectorIndex, tView, token) {
    bloomAdd(injectorIndex, tView, token);
}
/**
 * Inject static attribute value into directive constructor.
 *
 * This method is used with `factory` functions which are generated as part of
 * `defineDirective` or `defineComponent`. The method retrieves the static value
 * of an attribute. (Dynamic attributes are not supported since they are not resolved
 *  at the time of injection and can change over time.)
 *
 * # Example
 * Given:
 * ```
 * @Component(...)
 * class MyComponent {
 *   constructor(@Attribute('title') title: string) { ... }
 * }
 * ```
 * When instantiated with
 * ```
 * <my-component title="Hello"></my-component>
 * ```
 *
 * Then factory method generated is:
 * ```
 * MyComponent.ɵcmp = defineComponent({
 *   factory: () => new MyComponent(injectAttribute('title'))
 *   ...
 * })
 * ```
 *
 * @publicApi
 */
function injectAttributeImpl(tNode, attrNameToInject) {
    ngDevMode && assertTNodeType(tNode, 12 /* AnyContainer */ | 3 /* AnyRNode */);
    ngDevMode && assertDefined(tNode, 'expecting tNode');
    if (attrNameToInject === 'class') {
        return tNode.classes;
    }
    if (attrNameToInject === 'style') {
        return tNode.styles;
    }
    const attrs = tNode.attrs;
    if (attrs) {
        const attrsLength = attrs.length;
        let i = 0;
        while (i < attrsLength) {
            const value = attrs[i];
            // If we hit a `Bindings` or `Template` marker then we are done.
            if (isNameOnlyAttributeMarker(value))
                break;
            // Skip namespaced attributes
            if (value === 0 /* NamespaceURI */) {
                // we skip the next two values
                // as namespaced attributes looks like
                // [..., AttributeMarker.NamespaceURI, 'http://someuri.com/test', 'test:exist',
                // 'existValue', ...]
                i = i + 2;
            }
            else if (typeof value === 'number') {
                // Skip to the first value of the marked attribute.
                i++;
                while (i < attrsLength && typeof attrs[i] === 'string') {
                    i++;
                }
            }
            else if (value === attrNameToInject) {
                return attrs[i + 1];
            }
            else {
                i = i + 2;
            }
        }
    }
    return null;
}
function notFoundValueOrThrow(notFoundValue, token, flags) {
    if (flags & InjectFlags.Optional) {
        return notFoundValue;
    }
    else {
        throwProviderNotFoundError(token, 'NodeInjector');
    }
}
/**
 * Returns the value associated to the given token from the ModuleInjector or throws exception
 *
 * @param lView The `LView` that contains the `tNode`
 * @param token The token to look for
 * @param flags Injection flags
 * @param notFoundValue The value to return when the injection flags is `InjectFlags.Optional`
 * @returns the value from the injector or throws an exception
 */
function lookupTokenUsingModuleInjector(lView, token, flags, notFoundValue) {
    if (flags & InjectFlags.Optional && notFoundValue === undefined) {
        // This must be set or the NullInjector will throw for optional deps
        notFoundValue = null;
    }
    if ((flags & (InjectFlags.Self | InjectFlags.Host)) === 0) {
        const moduleInjector = lView[INJECTOR];
        // switch to `injectInjectorOnly` implementation for module injector, since module injector
        // should not have access to Component/Directive DI scope (that may happen through
        // `directiveInject` implementation)
        const previousInjectImplementation = setInjectImplementation(undefined);
        try {
            if (moduleInjector) {
                return moduleInjector.get(token, notFoundValue, flags & InjectFlags.Optional);
            }
            else {
                return injectRootLimpMode(token, notFoundValue, flags & InjectFlags.Optional);
            }
        }
        finally {
            setInjectImplementation(previousInjectImplementation);
        }
    }
    return notFoundValueOrThrow(notFoundValue, token, flags);
}
/**
 * Returns the value associated to the given token from the NodeInjectors => ModuleInjector.
 *
 * Look for the injector providing the token by walking up the node injector tree and then
 * the module injector tree.
 *
 * This function patches `token` with `__NG_ELEMENT_ID__` which contains the id for the bloom
 * filter. `-1` is reserved for injecting `Injector` (implemented by `NodeInjector`)
 *
 * @param tNode The Node where the search for the injector should start
 * @param lView The `LView` that contains the `tNode`
 * @param token The token to look for
 * @param flags Injection flags
 * @param notFoundValue The value to return when the injection flags is `InjectFlags.Optional`
 * @returns the value from the injector, `null` when not found, or `notFoundValue` if provided
 */
function getOrCreateInjectable(tNode, lView, token, flags = InjectFlags.Default, notFoundValue) {
    if (tNode !== null) {
        const bloomHash = bloomHashBitOrFactory(token);
        // If the ID stored here is a function, this is a special object like ElementRef or TemplateRef
        // so just call the factory function to create it.
        if (typeof bloomHash === 'function') {
            if (!enterDI(lView, tNode, flags)) {
                // Failed to enter DI, try module injector instead. If a token is injected with the @Host
                // flag, the module injector is not searched for that token in Ivy.
                return (flags & InjectFlags.Host) ?
                    notFoundValueOrThrow(notFoundValue, token, flags) :
                    lookupTokenUsingModuleInjector(lView, token, flags, notFoundValue);
            }
            try {
                const value = bloomHash(flags);
                if (value == null && !(flags & InjectFlags.Optional)) {
                    throwProviderNotFoundError(token);
                }
                else {
                    return value;
                }
            }
            finally {
                leaveDI();
            }
        }
        else if (typeof bloomHash === 'number') {
            // A reference to the previous injector TView that was found while climbing the element
            // injector tree. This is used to know if viewProviders can be accessed on the current
            // injector.
            let previousTView = null;
            let injectorIndex = getInjectorIndex(tNode, lView);
            let parentLocation = NO_PARENT_INJECTOR;
            let hostTElementNode = flags & InjectFlags.Host ? lView[DECLARATION_COMPONENT_VIEW][T_HOST] : null;
            // If we should skip this injector, or if there is no injector on this node, start by
            // searching the parent injector.
            if (injectorIndex === -1 || flags & InjectFlags.SkipSelf) {
                parentLocation = injectorIndex === -1 ? getParentInjectorLocation(tNode, lView) :
                    lView[injectorIndex + 8 /* PARENT */];
                if (parentLocation === NO_PARENT_INJECTOR || !shouldSearchParent(flags, false)) {
                    injectorIndex = -1;
                }
                else {
                    previousTView = lView[TVIEW];
                    injectorIndex = getParentInjectorIndex(parentLocation);
                    lView = getParentInjectorView(parentLocation, lView);
                }
            }
            // Traverse up the injector tree until we find a potential match or until we know there
            // *isn't* a match.
            while (injectorIndex !== -1) {
                ngDevMode && assertNodeInjector(lView, injectorIndex);
                // Check the current injector. If it matches, see if it contains token.
                const tView = lView[TVIEW];
                ngDevMode &&
                    assertTNodeForLView(tView.data[injectorIndex + 8 /* TNODE */], lView);
                if (bloomHasToken(bloomHash, injectorIndex, tView.data)) {
                    // At this point, we have an injector which *may* contain the token, so we step through
                    // the providers and directives associated with the injector's corresponding node to get
                    // the instance.
                    const instance = searchTokensOnInjector(injectorIndex, lView, token, previousTView, flags, hostTElementNode);
                    if (instance !== NOT_FOUND) {
                        return instance;
                    }
                }
                parentLocation = lView[injectorIndex + 8 /* PARENT */];
                if (parentLocation !== NO_PARENT_INJECTOR &&
                    shouldSearchParent(flags, lView[TVIEW].data[injectorIndex + 8 /* TNODE */] === hostTElementNode) &&
                    bloomHasToken(bloomHash, injectorIndex, lView)) {
                    // The def wasn't found anywhere on this node, so it was a false positive.
                    // Traverse up the tree and continue searching.
                    previousTView = tView;
                    injectorIndex = getParentInjectorIndex(parentLocation);
                    lView = getParentInjectorView(parentLocation, lView);
                }
                else {
                    // If we should not search parent OR If the ancestor bloom filter value does not have the
                    // bit corresponding to the directive we can give up on traversing up to find the specific
                    // injector.
                    injectorIndex = -1;
                }
            }
        }
    }
    return lookupTokenUsingModuleInjector(lView, token, flags, notFoundValue);
}
const NOT_FOUND = {};
function createNodeInjector() {
    return new NodeInjector(getCurrentTNode(), getLView());
}
function searchTokensOnInjector(injectorIndex, lView, token, previousTView, flags, hostTElementNode) {
    const currentTView = lView[TVIEW];
    const tNode = currentTView.data[injectorIndex + 8 /* TNODE */];
    // First, we need to determine if view providers can be accessed by the starting element.
    // There are two possibilities
    const canAccessViewProviders = previousTView == null ?
        // 1) This is the first invocation `previousTView == null` which means that we are at the
        // `TNode` of where injector is starting to look. In such a case the only time we are allowed
        // to look into the ViewProviders is if:
        // - we are on a component
        // - AND the injector set `includeViewProviders` to true (implying that the token can see
        // ViewProviders because it is the Component or a Service which itself was declared in
        // ViewProviders)
        (isComponentHost(tNode) && includeViewProviders) :
        // 2) `previousTView != null` which means that we are now walking across the parent nodes.
        // In such a case we are only allowed to look into the ViewProviders if:
        // - We just crossed from child View to Parent View `previousTView != currentTView`
        // - AND the parent TNode is an Element.
        // This means that we just came from the Component's View and therefore are allowed to see
        // into the ViewProviders.
        (previousTView != currentTView && ((tNode.type & 3 /* AnyRNode */) !== 0));
    // This special case happens when there is a @host on the inject and when we are searching
    // on the host element node.
    const isHostSpecialCase = (flags & InjectFlags.Host) && hostTElementNode === tNode;
    const injectableIdx = locateDirectiveOrProvider(tNode, currentTView, token, canAccessViewProviders, isHostSpecialCase);
    if (injectableIdx !== null) {
        return getNodeInjectable(lView, currentTView, injectableIdx, tNode);
    }
    else {
        return NOT_FOUND;
    }
}
/**
 * Searches for the given token among the node's directives and providers.
 *
 * @param tNode TNode on which directives are present.
 * @param tView The tView we are currently processing
 * @param token Provider token or type of a directive to look for.
 * @param canAccessViewProviders Whether view providers should be considered.
 * @param isHostSpecialCase Whether the host special case applies.
 * @returns Index of a found directive or provider, or null when none found.
 */
function locateDirectiveOrProvider(tNode, tView, token, canAccessViewProviders, isHostSpecialCase) {
    const nodeProviderIndexes = tNode.providerIndexes;
    const tInjectables = tView.data;
    const injectablesStart = nodeProviderIndexes & 1048575 /* ProvidersStartIndexMask */;
    const directivesStart = tNode.directiveStart;
    const directiveEnd = tNode.directiveEnd;
    const cptViewProvidersCount = nodeProviderIndexes >> 20 /* CptViewProvidersCountShift */;
    const startingIndex = canAccessViewProviders ? injectablesStart : injectablesStart + cptViewProvidersCount;
    // When the host special case applies, only the viewProviders and the component are visible
    const endIndex = isHostSpecialCase ? injectablesStart + cptViewProvidersCount : directiveEnd;
    for (let i = startingIndex; i < endIndex; i++) {
        const providerTokenOrDef = tInjectables[i];
        if (i < directivesStart && token === providerTokenOrDef ||
            i >= directivesStart && providerTokenOrDef.type === token) {
            return i;
        }
    }
    if (isHostSpecialCase) {
        const dirDef = tInjectables[directivesStart];
        if (dirDef && isComponentDef(dirDef) && dirDef.type === token) {
            return directivesStart;
        }
    }
    return null;
}
/**
 * Retrieve or instantiate the injectable from the `LView` at particular `index`.
 *
 * This function checks to see if the value has already been instantiated and if so returns the
 * cached `injectable`. Otherwise if it detects that the value is still a factory it
 * instantiates the `injectable` and caches the value.
 */
function getNodeInjectable(lView, tView, index, tNode) {
    let value = lView[index];
    const tData = tView.data;
    if (isFactory(value)) {
        const factory = value;
        if (factory.resolving) {
            throwCyclicDependencyError(stringifyForError(tData[index]));
        }
        const previousIncludeViewProviders = setIncludeViewProviders(factory.canSeeViewProviders);
        factory.resolving = true;
        const previousInjectImplementation = factory.injectImpl ? setInjectImplementation(factory.injectImpl) : null;
        const success = enterDI(lView, tNode, InjectFlags.Default);
        ngDevMode &&
            assertEqual(success, true, 'Because flags do not contain \`SkipSelf\' we expect this to always succeed.');
        try {
            value = lView[index] = factory.factory(undefined, tData, lView, tNode);
            // This code path is hit for both directives and providers.
            // For perf reasons, we want to avoid searching for hooks on providers.
            // It does no harm to try (the hooks just won't exist), but the extra
            // checks are unnecessary and this is a hot path. So we check to see
            // if the index of the dependency is in the directive range for this
            // tNode. If it's not, we know it's a provider and skip hook registration.
            if (tView.firstCreatePass && index >= tNode.directiveStart) {
                ngDevMode && assertDirectiveDef(tData[index]);
                registerPreOrderHooks(index, tData[index], tView);
            }
        }
        finally {
            previousInjectImplementation !== null &&
                setInjectImplementation(previousInjectImplementation);
            setIncludeViewProviders(previousIncludeViewProviders);
            factory.resolving = false;
            leaveDI();
        }
    }
    return value;
}
/**
 * Returns the bit in an injector's bloom filter that should be used to determine whether or not
 * the directive might be provided by the injector.
 *
 * When a directive is public, it is added to the bloom filter and given a unique ID that can be
 * retrieved on the Type. When the directive isn't public or the token is not a directive `null`
 * is returned as the node injector can not possibly provide that token.
 *
 * @param token the injection token
 * @returns the matching bit to check in the bloom filter or `null` if the token is not known.
 *   When the returned value is negative then it represents special values such as `Injector`.
 */
function bloomHashBitOrFactory(token) {
    ngDevMode && assertDefined(token, 'token must be defined');
    if (typeof token === 'string') {
        return token.charCodeAt(0) || 0;
    }
    const tokenId = 
    // First check with `hasOwnProperty` so we don't get an inherited ID.
    token.hasOwnProperty(NG_ELEMENT_ID) ? token[NG_ELEMENT_ID] : undefined;
    // Negative token IDs are used for special objects such as `Injector`
    if (typeof tokenId === 'number') {
        if (tokenId >= 0) {
            return tokenId & BLOOM_MASK;
        }
        else {
            ngDevMode &&
                assertEqual(tokenId, -1 /* Injector */, 'Expecting to get Special Injector Id');
            return createNodeInjector;
        }
    }
    else {
        return tokenId;
    }
}
function bloomHasToken(bloomHash, injectorIndex, injectorView) {
    // Create a mask that targets the specific bit associated with the directive we're looking for.
    // JS bit operations are 32 bits, so this will be a number between 2^0 and 2^31, corresponding
    // to bit positions 0 - 31 in a 32 bit integer.
    const mask = 1 << bloomHash;
    // Each bloom bucket in `injectorView` represents `BLOOM_BUCKET_BITS` number of bits of
    // `bloomHash`. Any bits in `bloomHash` beyond `BLOOM_BUCKET_BITS` indicate the bucket offset
    // that should be used.
    const value = injectorView[injectorIndex + (bloomHash >> BLOOM_BUCKET_BITS)];
    // If the bloom filter value has the bit corresponding to the directive's bloomBit flipped on,
    // this injector is a potential match.
    return !!(value & mask);
}
/** Returns true if flags prevent parent injector from being searched for tokens */
function shouldSearchParent(flags, isFirstHostTNode) {
    return !(flags & InjectFlags.Self) && !(flags & InjectFlags.Host && isFirstHostTNode);
}
class NodeInjector {
    constructor(_tNode, _lView) {
        this._tNode = _tNode;
        this._lView = _lView;
    }
    get(token, notFoundValue) {
        return getOrCreateInjectable(this._tNode, this._lView, token, undefined, notFoundValue);
    }
}
/**
 * @codeGenApi
 */
function ɵɵgetInheritedFactory(type) {
    return noSideEffects(() => {
        const ownConstructor = type.prototype.constructor;
        const ownFactory = ownConstructor[NG_FACTORY_DEF] || getFactoryOf(ownConstructor);
        const objectPrototype = Object.prototype;
        let parent = Object.getPrototypeOf(type.prototype).constructor;
        // Go up the prototype until we hit `Object`.
        while (parent && parent !== objectPrototype) {
            const factory = parent[NG_FACTORY_DEF] || getFactoryOf(parent);
            // If we hit something that has a factory and the factory isn't the same as the type,
            // we've found the inherited factory. Note the check that the factory isn't the type's
            // own factory is redundant in most cases, but if the user has custom decorators on the
            // class, this lookup will start one level down in the prototype chain, causing us to
            // find the own factory first and potentially triggering an infinite loop downstream.
            if (factory && factory !== ownFactory) {
                return factory;
            }
            parent = Object.getPrototypeOf(parent);
        }
        // There is no factory defined. Either this was improper usage of inheritance
        // (no Angular decorator on the superclass) or there is no constructor at all
        // in the inheritance chain. Since the two cases cannot be distinguished, the
        // latter has to be assumed.
        return t => new t();
    });
}
function getFactoryOf(type) {
    if (isForwardRef(type)) {
        return () => {
            const factory = getFactoryOf(resolveForwardRef(type));
            return factory && factory();
        };
    }
    return getFactoryDef(type);
}

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
/**
 * Facade for the attribute injection from DI.
 *
 * @codeGenApi
 */
function ɵɵinjectAttribute(attrNameToInject) {
    return injectAttributeImpl(getCurrentTNode(), attrNameToInject);
}

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
const ANNOTATIONS = '__annotations__';
const PARAMETERS = '__parameters__';
const PROP_METADATA = '__prop__metadata__';
/**
 * @suppress {globalThis}
 */
function makeDecorator(name, props, parentClass, additionalProcessing, typeFn) {
    return noSideEffects(() => {
        const metaCtor = makeMetadataCtor(props);
        function DecoratorFactory(...args) {
            if (this instanceof DecoratorFactory) {
                metaCtor.call(this, ...args);
                return this;
            }
            const annotationInstance = new DecoratorFactory(...args);
            return function TypeDecorator(cls) {
                if (typeFn)
                    typeFn(cls, ...args);
                // Use of Object.defineProperty is important since it creates non-enumerable property which
                // prevents the property is copied during subclassing.
                const annotations = cls.hasOwnProperty(ANNOTATIONS) ?
                    cls[ANNOTATIONS] :
                    Object.defineProperty(cls, ANNOTATIONS, { value: [] })[ANNOTATIONS];
                annotations.push(annotationInstance);
                if (additionalProcessing)
                    additionalProcessing(cls);
                return cls;
            };
        }
        if (parentClass) {
            DecoratorFactory.prototype = Object.create(parentClass.prototype);
        }
        DecoratorFactory.prototype.ngMetadataName = name;
        DecoratorFactory.annotationCls = DecoratorFactory;
        return DecoratorFactory;
    });
}
function makeMetadataCtor(props) {
    return function ctor(...args) {
        if (props) {
            const values = props(...args);
            for (const propName in values) {
                this[propName] = values[propName];
            }
        }
    };
}
function makeParamDecorator(name, props, parentClass) {
    return noSideEffects(() => {
        const metaCtor = makeMetadataCtor(props);
        function ParamDecoratorFactory(...args) {
            if (this instanceof ParamDecoratorFactory) {
                metaCtor.apply(this, args);
                return this;
            }
            const annotationInstance = new ParamDecoratorFactory(...args);
            ParamDecorator.annotation = annotationInstance;
            return ParamDecorator;
            function ParamDecorator(cls, unusedKey, index) {
                // Use of Object.defineProperty is important since it creates non-enumerable property which
                // prevents the property is copied during subclassing.
                const parameters = cls.hasOwnProperty(PARAMETERS) ?
                    cls[PARAMETERS] :
                    Object.defineProperty(cls, PARAMETERS, { value: [] })[PARAMETERS];
                // there might be gaps if some in between parameters do not have annotations.
                // we pad with nulls.
                while (parameters.length <= index) {
                    parameters.push(null);
                }
                (parameters[index] = parameters[index] || []).push(annotationInstance);
                return cls;
            }
        }
        if (parentClass) {
            ParamDecoratorFactory.prototype = Object.create(parentClass.prototype);
        }
        ParamDecoratorFactory.prototype.ngMetadataName = name;
        ParamDecoratorFactory.annotationCls = ParamDecoratorFactory;
        return ParamDecoratorFactory;
    });
}
function makePropDecorator(name, props, parentClass, additionalProcessing) {
    return noSideEffects(() => {
        const metaCtor = makeMetadataCtor(props);
        function PropDecoratorFactory(...args) {
            if (this instanceof PropDecoratorFactory) {
                metaCtor.apply(this, args);
                return this;
            }
            const decoratorInstance = new PropDecoratorFactory(...args);
            function PropDecorator(target, name) {
                const constructor = target.constructor;
                // Use of Object.defineProperty is important because it creates a non-enumerable property
                // which prevents the property from being copied during subclassing.
                const meta = constructor.hasOwnProperty(PROP_METADATA) ?
                    constructor[PROP_METADATA] :
                    Object.defineProperty(constructor, PROP_METADATA, { value: {} })[PROP_METADATA];
                meta[name] = meta.hasOwnProperty(name) && meta[name] || [];
                meta[name].unshift(decoratorInstance);
                if (additionalProcessing)
                    additionalProcessing(target, name, ...args);
            }
            return PropDecorator;
        }
        if (parentClass) {
            PropDecoratorFactory.prototype = Object.create(parentClass.prototype);
        }
        PropDecoratorFactory.prototype.ngMetadataName = name;
        PropDecoratorFactory.annotationCls = PropDecoratorFactory;
        return PropDecoratorFactory;
    });
}

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
function CREATE_ATTRIBUTE_DECORATOR__PRE_R3__() {
    return makeParamDecorator('Attribute', (attributeName) => ({ attributeName }));
}
function CREATE_ATTRIBUTE_DECORATOR__POST_R3__() {
    return makeParamDecorator('Attribute', (attributeName) => ({ attributeName, __NG_ELEMENT_ID__: () => ɵɵinjectAttribute(attributeName) }));
}
const CREATE_ATTRIBUTE_DECORATOR_IMPL = CREATE_ATTRIBUTE_DECORATOR__POST_R3__;
/**
 * Attribute decorator and metadata.
 *
 * @Annotation
 * @publicApi
 */
const Attribute = CREATE_ATTRIBUTE_DECORATOR_IMPL();

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
/**
 * Creates a token that can be used in a DI Provider.
 *
 * Use an `InjectionToken` whenever the type you are injecting is not reified (does not have a
 * runtime representation) such as when injecting an interface, callable type, array or
 * parameterized type.
 *
 * `InjectionToken` is parameterized on `T` which is the type of object which will be returned by
 * the `Injector`. This provides additional level of type safety.
 *
 * ```
 * interface MyInterface {...}
 * var myInterface = injector.get(new InjectionToken<MyInterface>('SomeToken'));
 * // myInterface is inferred to be MyInterface.
 * ```
 *
 * When creating an `InjectionToken`, you can optionally specify a factory function which returns
 * (possibly by creating) a default value of the parameterized type `T`. This sets up the
 * `InjectionToken` using this factory as a provider as if it was defined explicitly in the
 * application's root injector. If the factory function, which takes zero arguments, needs to inject
 * dependencies, it can do so using the `inject` function. See below for an example.
 *
 * Additionally, if a `factory` is specified you can also specify the `providedIn` option, which
 * overrides the above behavior and marks the token as belonging to a particular `@NgModule`. As
 * mentioned above, `'root'` is the default value for `providedIn`.
 *
 * @usageNotes
 * ### Basic Example
 *
 * ### Plain InjectionToken
 *
 * {@example core/di/ts/injector_spec.ts region='InjectionToken'}
 *
 * ### Tree-shakable InjectionToken
 *
 * {@example core/di/ts/injector_spec.ts region='ShakableInjectionToken'}
 *
 *
 * @publicApi
 */
class InjectionToken {
    constructor(_desc, options) {
        this._desc = _desc;
        /** @internal */
        this.ngMetadataName = 'InjectionToken';
        this.ɵprov = undefined;
        if (typeof options == 'number') {
            (typeof ngDevMode === 'undefined' || ngDevMode) &&
                assertLessThan(options, 0, 'Only negative numbers are supported here');
            // This is a special hack to assign __NG_ELEMENT_ID__ to this instance.
            // See `InjectorMarkers`
            this.__NG_ELEMENT_ID__ = options;
        }
        else if (options !== undefined) {
            this.ɵprov = ɵɵdefineInjectable({
                token: this,
                providedIn: options.providedIn || 'root',
                factory: options.factory,
            });
        }
    }
    toString() {
        return `InjectionToken ${this._desc}`;
    }
}

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
/**
 * A DI token that you can use to create a virtual [provider](guide/glossary#provider)
 * that will populate the `entryComponents` field of components and NgModules
 * based on its `useValue` property value.
 * All components that are referenced in the `useValue` value (either directly
 * or in a nested array or map) are added to the `entryComponents` property.
 *
 * @usageNotes
 *
 * The following example shows how the router can populate the `entryComponents`
 * field of an NgModule based on a router configuration that refers
 * to components.
 *
 * ```typescript
 * // helper function inside the router
 * function provideRoutes(routes) {
 *   return [
 *     {provide: ROUTES, useValue: routes},
 *     {provide: ANALYZE_FOR_ENTRY_COMPONENTS, useValue: routes, multi: true}
 *   ];
 * }
 *
 * // user code
 * let routes = [
 *   {path: '/root', component: RootComp},
 *   {path: '/teams', component: TeamsComp}
 * ];
 *
 * @NgModule({
 *   providers: [provideRoutes(routes)]
 * })
 * class ModuleWithRoutes {}
 * ```
 *
 * @publicApi
 * @deprecated Since 9.0.0. With Ivy, this property is no longer necessary.
 */
const ANALYZE_FOR_ENTRY_COMPONENTS = new InjectionToken('AnalyzeForEntryComponents');
// Stores the default value of `emitDistinctChangesOnly` when the `emitDistinctChangesOnly` is not
// explicitly set.
const emitDistinctChangesOnlyDefaultValue = true;
/**
 * Base class for query metadata.
 *
 * @see `ContentChildren`.
 * @see `ContentChild`.
 * @see `ViewChildren`.
 * @see `ViewChild`.
 *
 * @publicApi
 */
class Query {
}
const ɵ0$1 = (selector, data = {}) => (Object.assign({ selector, first: false, isViewQuery: false, descendants: false, emitDistinctChangesOnly: emitDistinctChangesOnlyDefaultValue }, data));
/**
 * ContentChildren decorator and metadata.
 *
 *
 * @Annotation
 * @publicApi
 */
const ContentChildren = makePropDecorator('ContentChildren', ɵ0$1, Query);
const ɵ1 = (selector, data = {}) => (Object.assign({ selector, first: true, isViewQuery: false, descendants: true }, data));
/**
 * ContentChild decorator and metadata.
 *
 *
 * @Annotation
 *
 * @publicApi
 */
const ContentChild = makePropDecorator('ContentChild', ɵ1, Query);
const ɵ2 = (selector, data = {}) => (Object.assign({ selector, first: false, isViewQuery: true, descendants: true, emitDistinctChangesOnly: emitDistinctChangesOnlyDefaultValue }, data));
/**
 * ViewChildren decorator and metadata.
 *
 * @Annotation
 * @publicApi
 */
const ViewChildren = makePropDecorator('ViewChildren', ɵ2, Query);
const ɵ3 = (selector, data) => (Object.assign({ selector, first: true, isViewQuery: true, descendants: true }, data));
/**
 * ViewChild decorator and metadata.
 *
 * @Annotation
 * @publicApi
 */
const ViewChild = makePropDecorator('ViewChild', ɵ3, Query);

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
var FactoryTarget;
(function (FactoryTarget) {
    FactoryTarget[FactoryTarget["Directive"] = 0] = "Directive";
    FactoryTarget[FactoryTarget["Component"] = 1] = "Component";
    FactoryTarget[FactoryTarget["Injectable"] = 2] = "Injectable";
    FactoryTarget[FactoryTarget["Pipe"] = 3] = "Pipe";
    FactoryTarget[FactoryTarget["NgModule"] = 4] = "NgModule";
})(FactoryTarget || (FactoryTarget = {}));
var ViewEncapsulation$1;
(function (ViewEncapsulation) {
    ViewEncapsulation[ViewEncapsulation["Emulated"] = 0] = "Emulated";
    // Historically the 1 value was for `Native` encapsulation which has been removed as of v11.
    ViewEncapsulation[ViewEncapsulation["None"] = 2] = "None";
    ViewEncapsulation[ViewEncapsulation["ShadowDom"] = 3] = "ShadowDom";
})(ViewEncapsulation$1 || (ViewEncapsulation$1 = {}));

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
function getCompilerFacade(request) {
    const globalNg = _global['ng'];
    if (globalNg && globalNg.ɵcompilerFacade) {
        return globalNg.ɵcompilerFacade;
    }
    if (typeof ngDevMode === 'undefined' || ngDevMode) {
        // Log the type as an error so that a developer can easily navigate to the type from the
        // console.
        console.error(`JIT compilation failed for ${request.kind}`, request.type);
        let message = `The ${request.kind} '${request
            .type.name}' needs to be compiled using the JIT compiler, but '@angular/compiler' is not available.\n\n`;
        if (request.usage === 1 /* PartialDeclaration */) {
            message += `The ${request.kind} is part of a library that has been partially compiled.\n`;
            message +=
                `However, the Angular Linker has not processed the library such that JIT compilation is used as fallback.\n`;
            message += '\n';
            message +=
                `Ideally, the library is processed using the Angular Linker to become fully AOT compiled.\n`;
        }
        else {
            message +=
                `JIT compilation is discouraged for production use-cases! Consider using AOT mode instead.\n`;
        }
        message +=
            `Alternatively, the JIT compiler should be loaded by bootstrapping using '@angular/platform-browser-dynamic' or '@angular/platform-server',\n`;
        message +=
            `or manually provide the compiler with 'import "@angular/compiler";' before bootstrapping.`;
        throw new Error(message);
    }
    else {
        throw new Error('JIT compiler unavailable');
    }
}

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
/**
 * @description
 *
 * Represents a type that a Component or other object is instances of.
 *
 * An example of a `Type` is `MyCustomComponent` class, which in JavaScript is represented by
 * the `MyCustomComponent` constructor function.
 *
 * @publicApi
 */
const Type = Function;
function isType(v) {
    return typeof v === 'function';
}

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
/**
 * Equivalent to ES6 spread, add each item to an array.
 *
 * @param items The items to add
 * @param arr The array to which you want to add the items
 */
function addAllToArray(items, arr) {
    for (let i = 0; i < items.length; i++) {
        arr.push(items[i]);
    }
}
/**
 * Determines if the contents of two arrays is identical
 *
 * @param a first array
 * @param b second array
 * @param identityAccessor Optional function for extracting stable object identity from a value in
 *     the array.
 */
function arrayEquals(a, b, identityAccessor) {
    if (a.length !== b.length)
        return false;
    for (let i = 0; i < a.length; i++) {
        let valueA = a[i];
        let valueB = b[i];
        if (identityAccessor) {
            valueA = identityAccessor(valueA);
            valueB = identityAccessor(valueB);
        }
        if (valueB !== valueA) {
            return false;
        }
    }
    return true;
}
/**
 * Flattens an array.
 */
function flatten(list, dst) {
    if (dst === undefined)
        dst = list;
    for (let i = 0; i < list.length; i++) {
        let item = list[i];
        if (Array.isArray(item)) {
            // we need to inline it.
            if (dst === list) {
                // Our assumption that the list was already flat was wrong and
                // we need to clone flat since we need to write to it.
                dst = list.slice(0, i);
            }
            flatten(item, dst);
        }
        else if (dst !== list) {
            dst.push(item);
        }
    }
    return dst;
}
function deepForEach(input, fn) {
    input.forEach(value => Array.isArray(value) ? deepForEach(value, fn) : fn(value));
}
function addToArray(arr, index, value) {
    // perf: array.push is faster than array.splice!
    if (index >= arr.length) {
        arr.push(value);
    }
    else {
        arr.splice(index, 0, value);
    }
}
function removeFromArray(arr, index) {
    // perf: array.pop is faster than array.splice!
    if (index >= arr.length - 1) {
        return arr.pop();
    }
    else {
        return arr.splice(index, 1)[0];
    }
}
function newArray(size, value) {
    const list = [];
    for (let i = 0; i < size; i++) {
        list.push(value);
    }
    return list;
}
/**
 * Remove item from array (Same as `Array.splice()` but faster.)
 *
 * `Array.splice()` is not as fast because it has to allocate an array for the elements which were
 * removed. This causes memory pressure and slows down code when most of the time we don't
 * care about the deleted items array.
 *
 * https://jsperf.com/fast-array-splice (About 20x faster)
 *
 * @param array Array to splice
 * @param index Index of element in array to remove.
 * @param count Number of items to remove.
 */
function arraySplice(array, index, count) {
    const length = array.length - count;
    while (index < length) {
        array[index] = array[index + count];
        index++;
    }
    while (count--) {
        array.pop(); // shrink the array
    }
}
/**
 * Same as `Array.splice(index, 0, value)` but faster.
 *
 * `Array.splice()` is not fast because it has to allocate an array for the elements which were
 * removed. This causes memory pressure and slows down code when most of the time we don't
 * care about the deleted items array.
 *
 * @param array Array to splice.
 * @param index Index in array where the `value` should be added.
 * @param value Value to add to array.
 */
function arrayInsert(array, index, value) {
    ngDevMode && assertLessThanOrEqual(index, array.length, 'Can\'t insert past array end.');
    let end = array.length;
    while (end > index) {
        const previousEnd = end - 1;
        array[end] = array[previousEnd];
        end = previousEnd;
    }
    array[index] = value;
}
/**
 * Same as `Array.splice2(index, 0, value1, value2)` but faster.
 *
 * `Array.splice()` is not fast because it has to allocate an array for the elements which were
 * removed. This causes memory pressure and slows down code when most of the time we don't
 * care about the deleted items array.
 *
 * @param array Array to splice.
 * @param index Index in array where the `value` should be added.
 * @param value1 Value to add to array.
 * @param value2 Value to add to array.
 */
function arrayInsert2(array, index, value1, value2) {
    ngDevMode && assertLessThanOrEqual(index, array.length, 'Can\'t insert past array end.');
    let end = array.length;
    if (end == index) {
        // inserting at the end.
        array.push(value1, value2);
    }
    else if (end === 1) {
        // corner case when we have less items in array than we have items to insert.
        array.push(value2, array[0]);
        array[0] = value1;
    }
    else {
        end--;
        array.push(array[end - 1], array[end]);
        while (end > index) {
            const previousEnd = end - 2;
            array[end] = array[previousEnd];
            end--;
        }
        array[index] = value1;
        array[index + 1] = value2;
    }
}
/**
 * Insert a `value` into an `array` so that the array remains sorted.
 *
 * NOTE:
 * - Duplicates are not allowed, and are ignored.
 * - This uses binary search algorithm for fast inserts.
 *
 * @param array A sorted array to insert into.
 * @param value The value to insert.
 * @returns index of the inserted value.
 */
function arrayInsertSorted(array, value) {
    let index = arrayIndexOfSorted(array, value);
    if (index < 0) {
        // if we did not find it insert it.
        index = ~index;
        arrayInsert(array, index, value);
    }
    return index;
}
/**
 * Remove `value` from a sorted `array`.
 *
 * NOTE:
 * - This uses binary search algorithm for fast removals.
 *
 * @param array A sorted array to remove from.
 * @param value The value to remove.
 * @returns index of the removed value.
 *   - positive index if value found and removed.
 *   - negative index if value not found. (`~index` to get the value where it should have been
 *     inserted)
 */
function arrayRemoveSorted(array, value) {
    const index = arrayIndexOfSorted(array, value);
    if (index >= 0) {
        arraySplice(array, index, 1);
    }
    return index;
}
/**
 * Get an index of an `value` in a sorted `array`.
 *
 * NOTE:
 * - This uses binary search algorithm for fast removals.
 *
 * @param array A sorted array to binary search.
 * @param value The value to look for.
 * @returns index of the value.
 *   - positive index if value found.
 *   - negative index if value not found. (`~index` to get the value where it should have been
 *     located)
 */
function arrayIndexOfSorted(array, value) {
    return _arrayIndexOfSorted(array, value, 0);
}
/**
 * Set a `value` for a `key`.
 *
 * @param keyValueArray to modify.
 * @param key The key to locate or create.
 * @param value The value to set for a `key`.
 * @returns index (always even) of where the value vas set.
 */
function keyValueArraySet(keyValueArray, key, value) {
    let index = keyValueArrayIndexOf(keyValueArray, key);
    if (index >= 0) {
        // if we found it set it.
        keyValueArray[index | 1] = value;
    }
    else {
        index = ~index;
        arrayInsert2(keyValueArray, index, key, value);
    }
    return index;
}
/**
 * Retrieve a `value` for a `key` (on `undefined` if not found.)
 *
 * @param keyValueArray to search.
 * @param key The key to locate.
 * @return The `value` stored at the `key` location or `undefined if not found.
 */
function keyValueArrayGet(keyValueArray, key) {
    const index = keyValueArrayIndexOf(keyValueArray, key);
    if (index >= 0) {
        // if we found it retrieve it.
        return keyValueArray[index | 1];
    }
    return undefined;
}
/**
 * Retrieve a `key` index value in the array or `-1` if not found.
 *
 * @param keyValueArray to search.
 * @param key The key to locate.
 * @returns index of where the key is (or should have been.)
 *   - positive (even) index if key found.
 *   - negative index if key not found. (`~index` (even) to get the index where it should have
 *     been inserted.)
 */
function keyValueArrayIndexOf(keyValueArray, key) {
    return _arrayIndexOfSorted(keyValueArray, key, 1);
}
/**
 * Delete a `key` (and `value`) from the `KeyValueArray`.
 *
 * @param keyValueArray to modify.
 * @param key The key to locate or delete (if exist).
 * @returns index of where the key was (or should have been.)
 *   - positive (even) index if key found and deleted.
 *   - negative index if key not found. (`~index` (even) to get the index where it should have
 *     been.)
 */
function keyValueArrayDelete(keyValueArray, key) {
    const index = keyValueArrayIndexOf(keyValueArray, key);
    if (index >= 0) {
        // if we found it remove it.
        arraySplice(keyValueArray, index, 2);
    }
    return index;
}
/**
 * INTERNAL: Get an index of an `value` in a sorted `array` by grouping search by `shift`.
 *
 * NOTE:
 * - This uses binary search algorithm for fast removals.
 *
 * @param array A sorted array to binary search.
 * @param value The value to look for.
 * @param shift grouping shift.
 *   - `0` means look at every location
 *   - `1` means only look at every other (even) location (the odd locations are to be ignored as
 *         they are values.)
 * @returns index of the value.
 *   - positive index if value found.
 *   - negative index if value not found. (`~index` to get the value where it should have been
 * inserted)
 */
function _arrayIndexOfSorted(array, value, shift) {
    ngDevMode && assertEqual(Array.isArray(array), true, 'Expecting an array');
    let start = 0;
    let end = array.length >> shift;
    while (end !== start) {
        const middle = start + ((end - start) >> 1); // find the middle.
        const current = array[middle << shift];
        if (value === current) {
            return (middle << shift);
        }
        else if (current > value) {
            end = middle;
        }
        else {
            start = middle + 1; // We already searched middle so make it non-inclusive by adding 1
        }
    }
    return ~(end << shift);
}

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
/*
 * #########################
 * Attention: These Regular expressions have to hold even if the code is minified!
 * ##########################
 */
/**
 * Regular expression that detects pass-through constructors for ES5 output. This Regex
 * intends to capture the common delegation pattern emitted by TypeScript and Babel. Also
 * it intends to capture the pattern where existing constructors have been downleveled from
 * ES2015 to ES5 using TypeScript w/ downlevel iteration. e.g.
 *
 * ```
 *   function MyClass() {
 *     var _this = _super.apply(this, arguments) || this;
 * ```
 *
 * downleveled to ES5 with `downlevelIteration` for TypeScript < 4.2:
 * ```
 *   function MyClass() {
 *     var _this = _super.apply(this, __spread(arguments)) || this;
 * ```
 *
 * or downleveled to ES5 with `downlevelIteration` for TypeScript >= 4.2:
 * ```
 *   function MyClass() {
 *     var _this = _super.apply(this, __spreadArray([], __read(arguments))) || this;
 * ```
 *
 * More details can be found in: https://github.com/angular/angular/issues/38453.
 */
const ES5_DELEGATE_CTOR = /^function\s+\S+\(\)\s*{[\s\S]+\.apply\(this,\s*(arguments|(?:[^()]+\(\[\],)?[^()]+\(arguments\))\)/;
/** Regular expression that detects ES2015 classes which extend from other classes. */
const ES2015_INHERITED_CLASS = /^class\s+[A-Za-z\d$_]*\s*extends\s+[^{]+{/;
/**
 * Regular expression that detects ES2015 classes which extend from other classes and
 * have an explicit constructor defined.
 */
const ES2015_INHERITED_CLASS_WITH_CTOR = /^class\s+[A-Za-z\d$_]*\s*extends\s+[^{]+{[\s\S]*constructor\s*\(/;
/**
 * Regular expression that detects ES2015 classes which extend from other classes
 * and inherit a constructor.
 */
const ES2015_INHERITED_CLASS_WITH_DELEGATE_CTOR = /^class\s+[A-Za-z\d$_]*\s*extends\s+[^{]+{[\s\S]*constructor\s*\(\)\s*{\s*super\(\.\.\.arguments\)/;
/**
 * Determine whether a stringified type is a class which delegates its constructor
 * to its parent.
 *
 * This is not trivial since compiled code can actually contain a constructor function
 * even if the original source code did not. For instance, when the child class contains
 * an initialized instance property.
 */
function isDelegateCtor(typeStr) {
    return ES5_DELEGATE_CTOR.test(typeStr) ||
        ES2015_INHERITED_CLASS_WITH_DELEGATE_CTOR.test(typeStr) ||
        (ES2015_INHERITED_CLASS.test(typeStr) && !ES2015_INHERITED_CLASS_WITH_CTOR.test(typeStr));
}
class ReflectionCapabilities {
    constructor(reflect) {
        this._reflect = reflect || _global['Reflect'];
    }
    isReflectionEnabled() {
        return true;
    }
    factory(t) {
        return (...args) => new t(...args);
    }
    /** @internal */
    _zipTypesAndAnnotations(paramTypes, paramAnnotations) {
        let result;
        if (typeof paramTypes === 'undefined') {
            result = newArray(paramAnnotations.length);
        }
        else {
            result = newArray(paramTypes.length);
        }
        for (let i = 0; i < result.length; i++) {
            // TS outputs Object for parameters without types, while Traceur omits
            // the annotations. For now we preserve the Traceur behavior to aid
            // migration, but this can be revisited.
            if (typeof paramTypes === 'undefined') {
                result[i] = [];
            }
            else if (paramTypes[i] && paramTypes[i] != Object) {
                result[i] = [paramTypes[i]];
            }
            else {
                result[i] = [];
            }
            if (paramAnnotations && paramAnnotations[i] != null) {
                result[i] = result[i].concat(paramAnnotations[i]);
            }
        }
        return result;
    }
    _ownParameters(type, parentCtor) {
        const typeStr = type.toString();
        // If we have no decorators, we only have function.length as metadata.
        // In that case, to detect whether a child class declared an own constructor or not,
        // we need to look inside of that constructor to check whether it is
        // just calling the parent.
        // This also helps to work around for https://github.com/Microsoft/TypeScript/issues/12439
        // that sets 'design:paramtypes' to []
        // if a class inherits from another class but has no ctor declared itself.
        if (isDelegateCtor(typeStr)) {
            return null;
        }
        // Prefer the direct API.
        if (type.parameters && type.parameters !== parentCtor.parameters) {
            return type.parameters;
        }
        // API of tsickle for lowering decorators to properties on the class.
        const tsickleCtorParams = type.ctorParameters;
        if (tsickleCtorParams && tsickleCtorParams !== parentCtor.ctorParameters) {
            // Newer tsickle uses a function closure
            // Retain the non-function case for compatibility with older tsickle
            const ctorParameters = typeof tsickleCtorParams === 'function' ? tsickleCtorParams() : tsickleCtorParams;
            const paramTypes = ctorParameters.map((ctorParam) => ctorParam && ctorParam.type);
            const paramAnnotations = ctorParameters.map((ctorParam) => ctorParam && convertTsickleDecoratorIntoMetadata(ctorParam.decorators));
            return this._zipTypesAndAnnotations(paramTypes, paramAnnotations);
        }
        // API for metadata created by invoking the decorators.
        const paramAnnotations = type.hasOwnProperty(PARAMETERS) && type[PARAMETERS];
        const paramTypes = this._reflect && this._reflect.getOwnMetadata &&
            this._reflect.getOwnMetadata('design:paramtypes', type);
        if (paramTypes || paramAnnotations) {
            return this._zipTypesAndAnnotations(paramTypes, paramAnnotations);
        }
        // If a class has no decorators, at least create metadata
        // based on function.length.
        // Note: We know that this is a real constructor as we checked
        // the content of the constructor above.
        return newArray(type.length);
    }
    parameters(type) {
        // Note: only report metadata if we have at least one class decorator
        // to stay in sync with the static reflector.
        if (!isType(type)) {
            return [];
        }
        const parentCtor = getParentCtor(type);
        let parameters = this._ownParameters(type, parentCtor);
        if (!parameters && parentCtor !== Object) {
            parameters = this.parameters(parentCtor);
        }
        return parameters || [];
    }
    _ownAnnotations(typeOrFunc, parentCtor) {
        // Prefer the direct API.
        if (typeOrFunc.annotations && typeOrFunc.annotations !== parentCtor.annotations) {
            let annotations = typeOrFunc.annotations;
            if (typeof annotations === 'function' && annotations.annotations) {
                annotations = annotations.annotations;
            }
            return annotations;
        }
        // API of tsickle for lowering decorators to properties on the class.
        if (typeOrFunc.decorators && typeOrFunc.decorators !== parentCtor.decorators) {
            return convertTsickleDecoratorIntoMetadata(typeOrFunc.decorators);
        }
        // API for metadata created by invoking the decorators.
        if (typeOrFunc.hasOwnProperty(ANNOTATIONS)) {
            return typeOrFunc[ANNOTATIONS];
        }
        return null;
    }
    annotations(typeOrFunc) {
        if (!isType(typeOrFunc)) {
            return [];
        }
        const parentCtor = getParentCtor(typeOrFunc);
        const ownAnnotations = this._ownAnnotations(typeOrFunc, parentCtor) || [];
        const parentAnnotations = parentCtor !== Object ? this.annotations(parentCtor) : [];
        return parentAnnotations.concat(ownAnnotations);
    }
    _ownPropMetadata(typeOrFunc, parentCtor) {
        // Prefer the direct API.
        if (typeOrFunc.propMetadata &&
            typeOrFunc.propMetadata !== parentCtor.propMetadata) {
            let propMetadata = typeOrFunc.propMetadata;
            if (typeof propMetadata === 'function' && propMetadata.propMetadata) {
                propMetadata = propMetadata.propMetadata;
            }
            return propMetadata;
        }
        // API of tsickle for lowering decorators to properties on the class.
        if (typeOrFunc.propDecorators &&
            typeOrFunc.propDecorators !== parentCtor.propDecorators) {
            const propDecorators = typeOrFunc.propDecorators;
            const propMetadata = {};
            Object.keys(propDecorators).forEach(prop => {
                propMetadata[prop] = convertTsickleDecoratorIntoMetadata(propDecorators[prop]);
            });
            return propMetadata;
        }
        // API for metadata created by invoking the decorators.
        if (typeOrFunc.hasOwnProperty(PROP_METADATA)) {
            return typeOrFunc[PROP_METADATA];
        }
        return null;
    }
    propMetadata(typeOrFunc) {
        if (!isType(typeOrFunc)) {
            return {};
        }
        const parentCtor = getParentCtor(typeOrFunc);
        const propMetadata = {};
        if (parentCtor !== Object) {
            const parentPropMetadata = this.propMetadata(parentCtor);
            Object.keys(parentPropMetadata).forEach((propName) => {
                propMetadata[propName] = parentPropMetadata[propName];
            });
        }
        const ownPropMetadata = this._ownPropMetadata(typeOrFunc, parentCtor);
        if (ownPropMetadata) {
            Object.keys(ownPropMetadata).forEach((propName) => {
                const decorators = [];
                if (propMetadata.hasOwnProperty(propName)) {
                    decorators.push(...propMetadata[propName]);
                }
                decorators.push(...ownPropMetadata[propName]);
                propMetadata[propName] = decorators;
            });
        }
        return propMetadata;
    }
    ownPropMetadata(typeOrFunc) {
        if (!isType(typeOrFunc)) {
            return {};
        }
        return this._ownPropMetadata(typeOrFunc, getParentCtor(typeOrFunc)) || {};
    }
    hasLifecycleHook(type, lcProperty) {
        return type instanceof Type && lcProperty in type.prototype;
    }
    guards(type) {
        return {};
    }
    getter(name) {
        return new Function('o', 'return o.' + name + ';');
    }
    setter(name) {
        return new Function('o', 'v', 'return o.' + name + ' = v;');
    }
    method(name) {
        const functionBody = `if (!o.${name}) throw new Error('"${name}" is undefined');
        return o.${name}.apply(o, args);`;
        return new Function('o', 'args', functionBody);
    }
    // There is not a concept of import uri in Js, but this is useful in developing Dart applications.
    importUri(type) {
        // StaticSymbol
        if (typeof type === 'object' && type['filePath']) {
            return type['filePath'];
        }
        // Runtime type
        return `./${stringify(type)}`;
    }
    resourceUri(type) {
        return `./${stringify(type)}`;
    }
    resolveIdentifier(name, moduleUrl, members, runtime) {
        return runtime;
    }
    resolveEnum(enumIdentifier, name) {
        return enumIdentifier[name];
    }
}
function convertTsickleDecoratorIntoMetadata(decoratorInvocations) {
    if (!decoratorInvocations) {
        return [];
    }
    return decoratorInvocations.map(decoratorInvocation => {
        const decoratorType = decoratorInvocation.type;
        const annotationCls = decoratorType.annotationCls;
        const annotationArgs = decoratorInvocation.args ? decoratorInvocation.args : [];
        return new annotationCls(...annotationArgs);
    });
}
function getParentCtor(ctor) {
    const parentProto = ctor.prototype ? Object.getPrototypeOf(ctor.prototype) : null;
    const parentCtor = parentProto ? parentProto.constructor : null;
    // Note: We always use `Object` as the null value
    // to simplify checking later on.
    return parentCtor || Object;
}

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
const _THROW_IF_NOT_FOUND = {};
const THROW_IF_NOT_FOUND = _THROW_IF_NOT_FOUND;
/*
 * Name of a property (that we patch onto DI decorator), which is used as an annotation of which
 * InjectFlag this decorator represents. This allows to avoid direct references to the DI decorators
 * in the code, thus making them tree-shakable.
 */
const DI_DECORATOR_FLAG = '__NG_DI_FLAG__';
const NG_TEMP_TOKEN_PATH = 'ngTempTokenPath';
const NG_TOKEN_PATH = 'ngTokenPath';
const NEW_LINE = /\n/gm;
const NO_NEW_LINE = 'ɵ';
const SOURCE = '__source';
const ɵ0$2 = getClosureSafeProperty;
const USE_VALUE = getClosureSafeProperty({ provide: String, useValue: ɵ0$2 });
/**
 * Current injector value used by `inject`.
 * - `undefined`: it is an error to call `inject`
 * - `null`: `inject` can be called but there is no injector (limp-mode).
 * - Injector instance: Use the injector for resolution.
 */
let _currentInjector = undefined;
function setCurrentInjector(injector) {
    const former = _currentInjector;
    _currentInjector = injector;
    return former;
}
function injectInjectorOnly(token, flags = InjectFlags.Default) {
    if (_currentInjector === undefined) {
        throw new Error(`inject() must be called from an injection context`);
    }
    else if (_currentInjector === null) {
        return injectRootLimpMode(token, undefined, flags);
    }
    else {
        return _currentInjector.get(token, flags & InjectFlags.Optional ? null : undefined, flags);
    }
}
function ɵɵinject(token, flags = InjectFlags.Default) {
    return (getInjectImplementation() || injectInjectorOnly)(resolveForwardRef(token), flags);
}
/**
 * Throws an error indicating that a factory function could not be generated by the compiler for a
 * particular class.
 *
 * This instruction allows the actual error message to be optimized away when ngDevMode is turned
 * off, saving bytes of generated code while still providing a good experience in dev mode.
 *
 * The name of the class is not mentioned here, but will be in the generated factory function name
 * and thus in the stack trace.
 *
 * @codeGenApi
 */
function ɵɵinvalidFactoryDep(index) {
    const msg = ngDevMode ?
        `This constructor is not compatible with Angular Dependency Injection because its dependency at index ${index} of the parameter list is invalid.
This can happen if the dependency type is a primitive like a string or if an ancestor of this class is missing an Angular decorator.

Please check that 1) the type for the parameter at index ${index} is correct and 2) the correct Angular decorators are defined for this class and its ancestors.` :
        'invalid';
    throw new Error(msg);
}
/**
 * Injects a token from the currently active injector.
 *
 * Must be used in the context of a factory function such as one defined for an
 * `InjectionToken`. Throws an error if not called from such a context.
 *
 * Within such a factory function, using this function to request injection of a dependency
 * is faster and more type-safe than providing an additional array of dependencies
 * (as has been common with `useFactory` providers).
 *
 * @param token The injection token for the dependency to be injected.
 * @param flags Optional flags that control how injection is executed.
 * The flags correspond to injection strategies that can be specified with
 * parameter decorators `@Host`, `@Self`, `@SkipSef`, and `@Optional`.
 * @returns the injected value if injection is successful, `null` otherwise.
 *
 * @usageNotes
 *
 * ### Example
 *
 * {@example core/di/ts/injector_spec.ts region='ShakableInjectionToken'}
 *
 * @publicApi
 */
const inject = ɵɵinject;
function injectArgs(types) {
    const args = [];
    for (let i = 0; i < types.length; i++) {
        const arg = resolveForwardRef(types[i]);
        if (Array.isArray(arg)) {
            if (arg.length === 0) {
                throw new Error('Arguments array must have arguments.');
            }
            let type = undefined;
            let flags = InjectFlags.Default;
            for (let j = 0; j < arg.length; j++) {
                const meta = arg[j];
                const flag = getInjectFlag(meta);
                if (typeof flag === 'number') {
                    // Special case when we handle @Inject decorator.
                    if (flag === -1 /* Inject */) {
                        type = meta.token;
                    }
                    else {
                        flags |= flag;
                    }
                }
                else {
                    type = meta;
                }
            }
            args.push(ɵɵinject(type, flags));
        }
        else {
            args.push(ɵɵinject(arg));
        }
    }
    return args;
}
/**
 * Attaches a given InjectFlag to a given decorator using monkey-patching.
 * Since DI decorators can be used in providers `deps` array (when provider is configured using
 * `useFactory`) without initialization (e.g. `Host`) and as an instance (e.g. `new Host()`), we
 * attach the flag to make it available both as a static property and as a field on decorator
 * instance.
 *
 * @param decorator Provided DI decorator.
 * @param flag InjectFlag that should be applied.
 */
function attachInjectFlag(decorator, flag) {
    decorator[DI_DECORATOR_FLAG] = flag;
    decorator.prototype[DI_DECORATOR_FLAG] = flag;
    return decorator;
}
/**
 * Reads monkey-patched property that contains InjectFlag attached to a decorator.
 *
 * @param token Token that may contain monkey-patched DI flags property.
 */
function getInjectFlag(token) {
    return token[DI_DECORATOR_FLAG];
}
function catchInjectorError(e, token, injectorErrorName, source) {
    const tokenPath = e[NG_TEMP_TOKEN_PATH];
    if (token[SOURCE]) {
        tokenPath.unshift(token[SOURCE]);
    }
    e.message = formatError('\n' + e.message, tokenPath, injectorErrorName, source);
    e[NG_TOKEN_PATH] = tokenPath;
    e[NG_TEMP_TOKEN_PATH] = null;
    throw e;
}
function formatError(text, obj, injectorErrorName, source = null) {
    text = text && text.charAt(0) === '\n' && text.charAt(1) == NO_NEW_LINE ? text.substr(2) : text;
    let context = stringify(obj);
    if (Array.isArray(obj)) {
        context = obj.map(stringify).join(' -> ');
    }
    else if (typeof obj === 'object') {
        let parts = [];
        for (let key in obj) {
            if (obj.hasOwnProperty(key)) {
                let value = obj[key];
                parts.push(key + ':' + (typeof value === 'string' ? JSON.stringify(value) : stringify(value)));
            }
        }
        context = `{${parts.join(', ')}}`;
    }
    return `${injectorErrorName}${source ? '(' + source + ')' : ''}[${context}]: ${text.replace(NEW_LINE, '\n  ')}`;
}

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
const ɵ0$3 = (token) => ({ token });
/**
 * Inject decorator and metadata.
 *
 * @Annotation
 * @publicApi
 */
const Inject = attachInjectFlag(
// Disable tslint because `DecoratorFlags` is a const enum which gets inlined.
// tslint:disable-next-line: no-toplevel-property-access
makeParamDecorator('Inject', ɵ0$3), -1 /* Inject */);
/**
 * Optional decorator and metadata.
 *
 * @Annotation
 * @publicApi
 */
const Optional = 
// Disable tslint because `InternalInjectFlags` is a const enum which gets inlined.
// tslint:disable-next-line: no-toplevel-property-access
attachInjectFlag(makeParamDecorator('Optional'), 8 /* Optional */);
/**
 * Self decorator and metadata.
 *
 * @Annotation
 * @publicApi
 */
const Self = 
// Disable tslint because `InternalInjectFlags` is a const enum which gets inlined.
// tslint:disable-next-line: no-toplevel-property-access
attachInjectFlag(makeParamDecorator('Self'), 2 /* Self */);
/**
 * `SkipSelf` decorator and metadata.
 *
 * @Annotation
 * @publicApi
 */
const SkipSelf = 
// Disable tslint because `InternalInjectFlags` is a const enum which gets inlined.
// tslint:disable-next-line: no-toplevel-property-access
attachInjectFlag(makeParamDecorator('SkipSelf'), 4 /* SkipSelf */);
/**
 * Host decorator and metadata.
 *
 * @Annotation
 * @publicApi
 */
const Host = 
// Disable tslint because `InternalInjectFlags` is a const enum which gets inlined.
// tslint:disable-next-line: no-toplevel-property-access
attachInjectFlag(makeParamDecorator('Host'), 1 /* Host */);

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
let _reflect = null;
function getReflect() {
    return (_reflect = _reflect || new ReflectionCapabilities());
}
function reflectDependencies(type) {
    return convertDependencies(getReflect().parameters(type));
}
function convertDependencies(deps) {
    return deps.map(dep => reflectDependency(dep));
}
function reflectDependency(dep) {
    const meta = {
        token: null,
        attribute: null,
        host: false,
        optional: false,
        self: false,
        skipSelf: false,
    };
    if (Array.isArray(dep) && dep.length > 0) {
        for (let j = 0; j < dep.length; j++) {
            const param = dep[j];
            if (param === undefined) {
                // param may be undefined if type of dep is not set by ngtsc
                continue;
            }
            const proto = Object.getPrototypeOf(param);
            if (param instanceof Optional || proto.ngMetadataName === 'Optional') {
                meta.optional = true;
            }
            else if (param instanceof SkipSelf || proto.ngMetadataName === 'SkipSelf') {
                meta.skipSelf = true;
            }
            else if (param instanceof Self || proto.ngMetadataName === 'Self') {
                meta.self = true;
            }
            else if (param instanceof Host || proto.ngMetadataName === 'Host') {
                meta.host = true;
            }
            else if (param instanceof Inject) {
                meta.token = param.token;
            }
            else if (param instanceof Attribute) {
                if (param.attributeName === undefined) {
                    throw new Error(`Attribute name must be defined.`);
                }
                meta.attribute = param.attributeName;
            }
            else {
                meta.token = param;
            }
        }
    }
    else if (dep === undefined || (Array.isArray(dep) && dep.length === 0)) {
        meta.token = null;
    }
    else {
        meta.token = dep;
    }
    return meta;
}

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
/**
 * Used to resolve resource URLs on `@Component` when used with JIT compilation.
 *
 * Example:
 * ```
 * @Component({
 *   selector: 'my-comp',
 *   templateUrl: 'my-comp.html', // This requires asynchronous resolution
 * })
 * class MyComponent{
 * }
 *
 * // Calling `renderComponent` will fail because `renderComponent` is a synchronous process
 * // and `MyComponent`'s `@Component.templateUrl` needs to be resolved asynchronously.
 *
 * // Calling `resolveComponentResources()` will resolve `@Component.templateUrl` into
 * // `@Component.template`, which allows `renderComponent` to proceed in a synchronous manner.
 *
 * // Use browser's `fetch()` function as the default resource resolution strategy.
 * resolveComponentResources(fetch).then(() => {
 *   // After resolution all URLs have been converted into `template` strings.
 *   renderComponent(MyComponent);
 * });
 *
 * ```
 *
 * NOTE: In AOT the resolution happens during compilation, and so there should be no need
 * to call this method outside JIT mode.
 *
 * @param resourceResolver a function which is responsible for returning a `Promise` to the
 * contents of the resolved URL. Browser's `fetch()` method is a good default implementation.
 */
function resolveComponentResources(resourceResolver) {
    // Store all promises which are fetching the resources.
    const componentResolved = [];
    // Cache so that we don't fetch the same resource more than once.
    const urlMap = new Map();
    function cachedResourceResolve(url) {
        let promise = urlMap.get(url);
        if (!promise) {
            const resp = resourceResolver(url);
            urlMap.set(url, promise = resp.then(unwrapResponse));
        }
        return promise;
    }
    componentResourceResolutionQueue.forEach((component, type) => {
        const promises = [];
        if (component.templateUrl) {
            promises.push(cachedResourceResolve(component.templateUrl).then((template) => {
                component.template = template;
            }));
        }
        const styleUrls = component.styleUrls;
        const styles = component.styles || (component.styles = []);
        const styleOffset = component.styles.length;
        styleUrls && styleUrls.forEach((styleUrl, index) => {
            styles.push(''); // pre-allocate array.
            promises.push(cachedResourceResolve(styleUrl).then((style) => {
                styles[styleOffset + index] = style;
                styleUrls.splice(styleUrls.indexOf(styleUrl), 1);
                if (styleUrls.length == 0) {
                    component.styleUrls = undefined;
                }
            }));
        });
        const fullyResolved = Promise.all(promises).then(() => componentDefResolved(type));
        componentResolved.push(fullyResolved);
    });
    clearResolutionOfComponentResourcesQueue();
    return Promise.all(componentResolved).then(() => undefined);
}
let componentResourceResolutionQueue = new Map();
// Track when existing ɵcmp for a Type is waiting on resources.
const componentDefPendingResolution = new Set();
function maybeQueueResolutionOfComponentResources(type, metadata) {
    if (componentNeedsResolution(metadata)) {
        componentResourceResolutionQueue.set(type, metadata);
        componentDefPendingResolution.add(type);
    }
}
function isComponentDefPendingResolution(type) {
    return componentDefPendingResolution.has(type);
}
function componentNeedsResolution(component) {
    return !!((component.templateUrl && !component.hasOwnProperty('template')) ||
        component.styleUrls && component.styleUrls.length);
}
function clearResolutionOfComponentResourcesQueue() {
    const old = componentResourceResolutionQueue;
    componentResourceResolutionQueue = new Map();
    return old;
}
function restoreComponentResolutionQueue(queue) {
    componentDefPendingResolution.clear();
    queue.forEach((_, type) => componentDefPendingResolution.add(type));
    componentResourceResolutionQueue = queue;
}
function isComponentResourceResolutionQueueEmpty() {
    return componentResourceResolutionQueue.size === 0;
}
function unwrapResponse(response) {
    return typeof response == 'string' ? response : response.text();
}
function componentDefResolved(type) {
    componentDefPendingResolution.delete(type);
}

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
/**
 * The Trusted Types policy, or null if Trusted Types are not
 * enabled/supported, or undefined if the policy has not been created yet.
 */
let policy;
/**
 * Returns the Trusted Types policy, or null if Trusted Types are not
 * enabled/supported. The first call to this function will create the policy.
 */
function getPolicy() {
    if (policy === undefined) {
        policy = null;
        if (_global.trustedTypes) {
            try {
                policy = _global.trustedTypes.createPolicy('angular', {
                    createHTML: (s) => s,
                    createScript: (s) => s,
                    createScriptURL: (s) => s,
                });
            }
            catch (_a) {
                // trustedTypes.createPolicy throws if called with a name that is
                // already registered, even in report-only mode. Until the API changes,
                // catch the error not to break the applications functionally. In such
                // cases, the code will fall back to using strings.
            }
        }
    }
    return policy;
}
/**
 * Unsafely promote a string to a TrustedHTML, falling back to strings when
 * Trusted Types are not available.
 * @security This is a security-sensitive function; any use of this function
 * must go through security review. In particular, it must be assured that the
 * provided string will never cause an XSS vulnerability if used in a context
 * that will be interpreted as HTML by a browser, e.g. when assigning to
 * element.innerHTML.
 */
function trustedHTMLFromString(html) {
    var _a;
    return ((_a = getPolicy()) === null || _a === void 0 ? void 0 : _a.createHTML(html)) || html;
}
/**
 * Unsafely promote a string to a TrustedScript, falling back to strings when
 * Trusted Types are not available.
 * @security In particular, it must be assured that the provided string will
 * never cause an XSS vulnerability if used in a context that will be
 * interpreted and executed as a script by a browser, e.g. when calling eval.
 */
function trustedScriptFromString(script) {
    var _a;
    return ((_a = getPolicy()) === null || _a === void 0 ? void 0 : _a.createScript(script)) || script;
}
/**
 * Unsafely promote a string to a TrustedScriptURL, falling back to strings
 * when Trusted Types are not available.
 * @security This is a security-sensitive function; any use of this function
 * must go through security review. In particular, it must be assured that the
 * provided string will never cause an XSS vulnerability if used in a context
 * that will cause a browser to load and execute a resource, e.g. when
 * assigning to script.src.
 */
function trustedScriptURLFromString(url) {
    var _a;
    return ((_a = getPolicy()) === null || _a === void 0 ? void 0 : _a.createScriptURL(url)) || url;
}
/**
 * Unsafely call the Function constructor with the given string arguments. It
 * is only available in development mode, and should be stripped out of
 * production code.
 * @security This is a security-sensitive function; any use of this function
 * must go through security review. In particular, it must be assured that it
 * is only called from development code, as use in production code can lead to
 * XSS vulnerabilities.
 */
function newTrustedFunctionForDev(...args) {
    if (typeof ngDevMode === 'undefined') {
        throw new Error('newTrustedFunctionForDev should never be called in production');
    }
    if (!_global.trustedTypes) {
        // In environments that don't support Trusted Types, fall back to the most
        // straightforward implementation:
        return new Function(...args);
    }
    // Chrome currently does not support passing TrustedScript to the Function
    // constructor. The following implements the workaround proposed on the page
    // below, where the Chromium bug is also referenced:
    // https://github.com/w3c/webappsec-trusted-types/wiki/Trusted-Types-for-function-constructor
    const fnArgs = args.slice(0, -1).join(',');
    const fnBody = args[args.length - 1];
    const body = `(function anonymous(${fnArgs}
) { ${fnBody}
})`;
    // Using eval directly confuses the compiler and prevents this module from
    // being stripped out of JS binaries even if not used. The global['eval']
    // indirection fixes that.
    const fn = _global['eval'](trustedScriptFromString(body));
    if (fn.bind === undefined) {
        // Workaround for a browser bug that only exists in Chrome 83, where passing
        // a TrustedScript to eval just returns the TrustedScript back without
        // evaluating it. In that case, fall back to the most straightforward
        // implementation:
        return new Function(...args);
    }
    // To completely mimic the behavior of calling "new Function", two more
    // things need to happen:
    // 1. Stringifying the resulting function should return its source code
    fn.toString = () => body;
    // 2. When calling the resulting function, `this` should refer to `global`
    return fn.bind(_global);
    // When Trusted Types support in Function constructors is widely available,
    // the implementation of this function can be simplified to:
    // return new Function(...args.map(a => trustedScriptFromString(a)));
}

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
/**
 * The Trusted Types policy, or null if Trusted Types are not
 * enabled/supported, or undefined if the policy has not been created yet.
 */
let policy$1;
/**
 * Returns the Trusted Types policy, or null if Trusted Types are not
 * enabled/supported. The first call to this function will create the policy.
 */
function getPolicy$1() {
    if (policy$1 === undefined) {
        policy$1 = null;
        if (_global.trustedTypes) {
            try {
                policy$1 = _global.trustedTypes
                    .createPolicy('angular#unsafe-bypass', {
                    createHTML: (s) => s,
                    createScript: (s) => s,
                    createScriptURL: (s) => s,
                });
            }
            catch (_a) {
                // trustedTypes.createPolicy throws if called with a name that is
                // already registered, even in report-only mode. Until the API changes,
                // catch the error not to break the applications functionally. In such
                // cases, the code will fall back to using strings.
            }
        }
    }
    return policy$1;
}
/**
 * Unsafely promote a string to a TrustedHTML, falling back to strings when
 * Trusted Types are not available.
 * @security This is a security-sensitive function; any use of this function
 * must go through security review. In particular, it must be assured that it
 * is only passed strings that come directly from custom sanitizers or the
 * bypassSecurityTrust* functions.
 */
function trustedHTMLFromStringBypass(html) {
    var _a;
    return ((_a = getPolicy$1()) === null || _a === void 0 ? void 0 : _a.createHTML(html)) || html;
}
/**
 * Unsafely promote a string to a TrustedScript, falling back to strings when
 * Trusted Types are not available.
 * @security This is a security-sensitive function; any use of this function
 * must go through security review. In particular, it must be assured that it
 * is only passed strings that come directly from custom sanitizers or the
 * bypassSecurityTrust* functions.
 */
function trustedScriptFromStringBypass(script) {
    var _a;
    return ((_a = getPolicy$1()) === null || _a === void 0 ? void 0 : _a.createScript(script)) || script;
}
/**
 * Unsafely promote a string to a TrustedScriptURL, falling back to strings
 * when Trusted Types are not available.
 * @security This is a security-sensitive function; any use of this function
 * must go through security review. In particular, it must be assured that it
 * is only passed strings that come directly from custom sanitizers or the
 * bypassSecurityTrust* functions.
 */
function trustedScriptURLFromStringBypass(url) {
    var _a;
    return ((_a = getPolicy$1()) === null || _a === void 0 ? void 0 : _a.createScriptURL(url)) || url;
}

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
class SafeValueImpl {
    constructor(changingThisBreaksApplicationSecurity) {
        this.changingThisBreaksApplicationSecurity = changingThisBreaksApplicationSecurity;
    }
    toString() {
        return `SafeValue must use [property]=binding: ${this.changingThisBreaksApplicationSecurity}` +
            ` (see https://g.co/ng/security#xss)`;
    }
}
class SafeHtmlImpl extends SafeValueImpl {
    getTypeName() {
        return "HTML" /* Html */;
    }
}
class SafeStyleImpl extends SafeValueImpl {
    getTypeName() {
        return "Style" /* Style */;
    }
}
class SafeScriptImpl extends SafeValueImpl {
    getTypeName() {
        return "Script" /* Script */;
    }
}
class SafeUrlImpl extends SafeValueImpl {
    getTypeName() {
        return "URL" /* Url */;
    }
}
class SafeResourceUrlImpl extends SafeValueImpl {
    getTypeName() {
        return "ResourceURL" /* ResourceUrl */;
    }
}
function unwrapSafeValue(value) {
    return value instanceof SafeValueImpl ? value.changingThisBreaksApplicationSecurity :
        value;
}
function allowSanitizationBypassAndThrow(value, type) {
    const actualType = getSanitizationBypassType(value);
    if (actualType != null && actualType !== type) {
        // Allow ResourceURLs in URL contexts, they are strictly more trusted.
        if (actualType === "ResourceURL" /* ResourceUrl */ && type === "URL" /* Url */)
            return true;
        throw new Error(`Required a safe ${type}, got a ${actualType} (see https://g.co/ng/security#xss)`);
    }
    return actualType === type;
}
function getSanitizationBypassType(value) {
    return value instanceof SafeValueImpl && value.getTypeName() || null;
}
/**
 * Mark `html` string as trusted.
 *
 * This function wraps the trusted string in `String` and brands it in a way which makes it
 * recognizable to {@link htmlSanitizer} to be trusted implicitly.
 *
 * @param trustedHtml `html` string which needs to be implicitly trusted.
 * @returns a `html` which has been branded to be implicitly trusted.
 */
function bypassSanitizationTrustHtml(trustedHtml) {
    return new SafeHtmlImpl(trustedHtml);
}
/**
 * Mark `style` string as trusted.
 *
 * This function wraps the trusted string in `String` and brands it in a way which makes it
 * recognizable to {@link styleSanitizer} to be trusted implicitly.
 *
 * @param trustedStyle `style` string which needs to be implicitly trusted.
 * @returns a `style` hich has been branded to be implicitly trusted.
 */
function bypassSanitizationTrustStyle(trustedStyle) {
    return new SafeStyleImpl(trustedStyle);
}
/**
 * Mark `script` string as trusted.
 *
 * This function wraps the trusted string in `String` and brands it in a way which makes it
 * recognizable to {@link scriptSanitizer} to be trusted implicitly.
 *
 * @param trustedScript `script` string which needs to be implicitly trusted.
 * @returns a `script` which has been branded to be implicitly trusted.
 */
function bypassSanitizationTrustScript(trustedScript) {
    return new SafeScriptImpl(trustedScript);
}
/**
 * Mark `url` string as trusted.
 *
 * This function wraps the trusted string in `String` and brands it in a way which makes it
 * recognizable to {@link urlSanitizer} to be trusted implicitly.
 *
 * @param trustedUrl `url` string which needs to be implicitly trusted.
 * @returns a `url`  which has been branded to be implicitly trusted.
 */
function bypassSanitizationTrustUrl(trustedUrl) {
    return new SafeUrlImpl(trustedUrl);
}
/**
 * Mark `url` string as trusted.
 *
 * This function wraps the trusted string in `String` and brands it in a way which makes it
 * recognizable to {@link resourceUrlSanitizer} to be trusted implicitly.
 *
 * @param trustedResourceUrl `url` string which needs to be implicitly trusted.
 * @returns a `url` which has been branded to be implicitly trusted.
 */
function bypassSanitizationTrustResourceUrl(trustedResourceUrl) {
    return new SafeResourceUrlImpl(trustedResourceUrl);
}

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
/**
 * This helper is used to get hold of an inert tree of DOM elements containing dirty HTML
 * that needs sanitizing.
 * Depending upon browser support we use one of two strategies for doing this.
 * Default: DOMParser strategy
 * Fallback: InertDocument strategy
 */
function getInertBodyHelper(defaultDoc) {
    const inertDocumentHelper = new InertDocumentHelper(defaultDoc);
    return isDOMParserAvailable() ? new DOMParserHelper(inertDocumentHelper) : inertDocumentHelper;
}
/**
 * Uses DOMParser to create and fill an inert body element.
 * This is the default strategy used in browsers that support it.
 */
class DOMParserHelper {
    constructor(inertDocumentHelper) {
        this.inertDocumentHelper = inertDocumentHelper;
    }
    getInertBodyElement(html) {
        // We add these extra elements to ensure that the rest of the content is parsed as expected
        // e.g. leading whitespace is maintained and tags like `<meta>` do not get hoisted to the
        // `<head>` tag. Note that the `<body>` tag is closed implicitly to prevent unclosed tags
        // in `html` from consuming the otherwise explicit `</body>` tag.
        html = '<body><remove></remove>' + html;
        try {
            const body = new window.DOMParser()
                .parseFromString(trustedHTMLFromString(html), 'text/html')
                .body;
            if (body === null) {
                // In some browsers (e.g. Mozilla/5.0 iPad AppleWebKit Mobile) the `body` property only
                // becomes available in the following tick of the JS engine. In that case we fall back to
                // the `inertDocumentHelper` instead.
                return this.inertDocumentHelper.getInertBodyElement(html);
            }
            body.removeChild(body.firstChild);
            return body;
        }
        catch (_a) {
            return null;
        }
    }
}
/**
 * Use an HTML5 `template` element, if supported, or an inert body element created via
 * `createHtmlDocument` to create and fill an inert DOM element.
 * This is the fallback strategy if the browser does not support DOMParser.
 */
class InertDocumentHelper {
    constructor(defaultDoc) {
        this.defaultDoc = defaultDoc;
        this.inertDocument = this.defaultDoc.implementation.createHTMLDocument('sanitization-inert');
        if (this.inertDocument.body == null) {
            // usually there should be only one body element in the document, but IE doesn't have any, so
            // we need to create one.
            const inertHtml = this.inertDocument.createElement('html');
            this.inertDocument.appendChild(inertHtml);
            const inertBodyElement = this.inertDocument.createElement('body');
            inertHtml.appendChild(inertBodyElement);
        }
    }
    getInertBodyElement(html) {
        // Prefer using <template> element if supported.
        const templateEl = this.inertDocument.createElement('template');
        if ('content' in templateEl) {
            templateEl.innerHTML = trustedHTMLFromString(html);
            return templateEl;
        }
        // Note that previously we used to do something like `this.inertDocument.body.innerHTML = html`
        // and we returned the inert `body` node. This was changed, because IE seems to treat setting
        // `innerHTML` on an inserted element differently, compared to one that hasn't been inserted
        // yet. In particular, IE appears to split some of the text into multiple text nodes rather
        // than keeping them in a single one which ends up messing with Ivy's i18n parsing further
        // down the line. This has been worked around by creating a new inert `body` and using it as
        // the root node in which we insert the HTML.
        const inertBody = this.inertDocument.createElement('body');
        inertBody.innerHTML = trustedHTMLFromString(html);
        // Support: IE 11 only
        // strip custom-namespaced attributes on IE<=11
        if (this.defaultDoc.documentMode) {
            this.stripCustomNsAttrs(inertBody);
        }
        return inertBody;
    }
    /**
     * When IE11 comes across an unknown namespaced attribute e.g. 'xlink:foo' it adds 'xmlns:ns1'
     * attribute to declare ns1 namespace and prefixes the attribute with 'ns1' (e.g.
     * 'ns1:xlink:foo').
     *
     * This is undesirable since we don't want to allow any of these custom attributes. This method
     * strips them all.
     */
    stripCustomNsAttrs(el) {
        const elAttrs = el.attributes;
        // loop backwards so that we can support removals.
        for (let i = elAttrs.length - 1; 0 < i; i--) {
            const attrib = elAttrs.item(i);
            const attrName = attrib.name;
            if (attrName === 'xmlns:ns1' || attrName.indexOf('ns1:') === 0) {
                el.removeAttribute(attrName);
            }
        }
        let childNode = el.firstChild;
        while (childNode) {
            if (childNode.nodeType === Node.ELEMENT_NODE)
                this.stripCustomNsAttrs(childNode);
            childNode = childNode.nextSibling;
        }
    }
}
/**
 * We need to determine whether the DOMParser exists in the global context and
 * supports parsing HTML; HTML parsing support is not as wide as other formats, see
 * https://developer.mozilla.org/en-US/docs/Web/API/DOMParser#Browser_compatibility.
 *
 * @suppress {uselessCode}
 */
function isDOMParserAvailable() {
    try {
        return !!new window.DOMParser().parseFromString(trustedHTMLFromString(''), 'text/html');
    }
    catch (_a) {
        return false;
    }
}

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
/**
 * A pattern that recognizes a commonly useful subset of URLs that are safe.
 *
 * This regular expression matches a subset of URLs that will not cause script
 * execution if used in URL context within a HTML document. Specifically, this
 * regular expression matches if (comment from here on and regex copied from
 * Soy's EscapingConventions):
 * (1) Either an allowed protocol (http, https, mailto or ftp).
 * (2) or no protocol.  A protocol must be followed by a colon. The below
 *     allows that by allowing colons only after one of the characters [/?#].
 *     A colon after a hash (#) must be in the fragment.
 *     Otherwise, a colon after a (?) must be in a query.
 *     Otherwise, a colon after a single solidus (/) must be in a path.
 *     Otherwise, a colon after a double solidus (//) must be in the authority
 *     (before port).
 *
 * The pattern disallows &, used in HTML entity declarations before
 * one of the characters in [/?#]. This disallows HTML entities used in the
 * protocol name, which should never happen, e.g. "h&#116;tp" for "http".
 * It also disallows HTML entities in the first path part of a relative path,
 * e.g. "foo&lt;bar/baz".  Our existing escaping functions should not produce
 * that. More importantly, it disallows masking of a colon,
 * e.g. "javascript&#58;...".
 *
 * This regular expression was taken from the Closure sanitization library.
 */
const SAFE_URL_PATTERN = /^(?:(?:https?|mailto|ftp|tel|file|sms):|[^&:/?#]*(?:[/?#]|$))/gi;
/* A pattern that matches safe srcset values */
const SAFE_SRCSET_PATTERN = /^(?:(?:https?|file):|[^&:/?#]*(?:[/?#]|$))/gi;
/** A pattern that matches safe data URLs. Only matches image, video and audio types. */
const DATA_URL_PATTERN = /^data:(?:image\/(?:bmp|gif|jpeg|jpg|png|tiff|webp)|video\/(?:mpeg|mp4|ogg|webm)|audio\/(?:mp3|oga|ogg|opus));base64,[a-z0-9+\/]+=*$/i;
function _sanitizeUrl(url) {
    url = String(url);
    if (url.match(SAFE_URL_PATTERN) || url.match(DATA_URL_PATTERN))
        return url;
    if (typeof ngDevMode === 'undefined' || ngDevMode) {
        console.warn(`WARNING: sanitizing unsafe URL value ${url} (see https://g.co/ng/security#xss)`);
    }
    return 'unsafe:' + url;
}
function sanitizeSrcset(srcset) {
    srcset = String(srcset);
    return srcset.split(',').map((srcset) => _sanitizeUrl(srcset.trim())).join(', ');
}

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
function tagSet(tags) {
    const res = {};
    for (const t of tags.split(','))
        res[t] = true;
    return res;
}
function merge(...sets) {
    const res = {};
    for (const s of sets) {
        for (const v in s) {
            if (s.hasOwnProperty(v))
                res[v] = true;
        }
    }
    return res;
}
// Good source of info about elements and attributes
// https://html.spec.whatwg.org/#semantics
// https://simon.html5.org/html-elements
// Safe Void Elements - HTML5
// https://html.spec.whatwg.org/#void-elements
const VOID_ELEMENTS = tagSet('area,br,col,hr,img,wbr');
// Elements that you can, intentionally, leave open (and which close themselves)
// https://html.spec.whatwg.org/#optional-tags
const OPTIONAL_END_TAG_BLOCK_ELEMENTS = tagSet('colgroup,dd,dt,li,p,tbody,td,tfoot,th,thead,tr');
const OPTIONAL_END_TAG_INLINE_ELEMENTS = tagSet('rp,rt');
const OPTIONAL_END_TAG_ELEMENTS = merge(OPTIONAL_END_TAG_INLINE_ELEMENTS, OPTIONAL_END_TAG_BLOCK_ELEMENTS);
// Safe Block Elements - HTML5
const BLOCK_ELEMENTS = merge(OPTIONAL_END_TAG_BLOCK_ELEMENTS, tagSet('address,article,' +
    'aside,blockquote,caption,center,del,details,dialog,dir,div,dl,figure,figcaption,footer,h1,h2,h3,h4,h5,' +
    'h6,header,hgroup,hr,ins,main,map,menu,nav,ol,pre,section,summary,table,ul'));
// Inline Elements - HTML5
const INLINE_ELEMENTS = merge(OPTIONAL_END_TAG_INLINE_ELEMENTS, tagSet('a,abbr,acronym,audio,b,' +
    'bdi,bdo,big,br,cite,code,del,dfn,em,font,i,img,ins,kbd,label,map,mark,picture,q,ruby,rp,rt,s,' +
    'samp,small,source,span,strike,strong,sub,sup,time,track,tt,u,var,video'));
const VALID_ELEMENTS = merge(VOID_ELEMENTS, BLOCK_ELEMENTS, INLINE_ELEMENTS, OPTIONAL_END_TAG_ELEMENTS);
// Attributes that have href and hence need to be sanitized
const URI_ATTRS = tagSet('background,cite,href,itemtype,longdesc,poster,src,xlink:href');
// Attributes that have special href set hence need to be sanitized
const SRCSET_ATTRS = tagSet('srcset');
const HTML_ATTRS = tagSet('abbr,accesskey,align,alt,autoplay,axis,bgcolor,border,cellpadding,cellspacing,class,clear,color,cols,colspan,' +
    'compact,controls,coords,datetime,default,dir,download,face,headers,height,hidden,hreflang,hspace,' +
    'ismap,itemscope,itemprop,kind,label,lang,language,loop,media,muted,nohref,nowrap,open,preload,rel,rev,role,rows,rowspan,rules,' +
    'scope,scrolling,shape,size,sizes,span,srclang,start,summary,tabindex,target,title,translate,type,usemap,' +
    'valign,value,vspace,width');
// Accessibility attributes as per WAI-ARIA 1.1 (W3C Working Draft 14 December 2018)
const ARIA_ATTRS = tagSet('aria-activedescendant,aria-atomic,aria-autocomplete,aria-busy,aria-checked,aria-colcount,aria-colindex,' +
    'aria-colspan,aria-controls,aria-current,aria-describedby,aria-details,aria-disabled,aria-dropeffect,' +
    'aria-errormessage,aria-expanded,aria-flowto,aria-grabbed,aria-haspopup,aria-hidden,aria-invalid,' +
    'aria-keyshortcuts,aria-label,aria-labelledby,aria-level,aria-live,aria-modal,aria-multiline,' +
    'aria-multiselectable,aria-orientation,aria-owns,aria-placeholder,aria-posinset,aria-pressed,aria-readonly,' +
    'aria-relevant,aria-required,aria-roledescription,aria-rowcount,aria-rowindex,aria-rowspan,aria-selected,' +
    'aria-setsize,aria-sort,aria-valuemax,aria-valuemin,aria-valuenow,aria-valuetext');
// NB: This currently consciously doesn't support SVG. SVG sanitization has had several security
// issues in the past, so it seems safer to leave it out if possible. If support for binding SVG via
// innerHTML is required, SVG attributes should be added here.
// NB: Sanitization does not allow <form> elements or other active elements (<button> etc). Those
// can be sanitized, but they increase security surface area without a legitimate use case, so they
// are left out here.
const VALID_ATTRS = merge(URI_ATTRS, SRCSET_ATTRS, HTML_ATTRS, ARIA_ATTRS);
// Elements whose content should not be traversed/preserved, if the elements themselves are invalid.
//
// Typically, `<invalid>Some content</invalid>` would traverse (and in this case preserve)
// `Some content`, but strip `invalid-element` opening/closing tags. For some elements, though, we
// don't want to preserve the content, if the elements themselves are going to be removed.
const SKIP_TRAVERSING_CONTENT_IF_INVALID_ELEMENTS = tagSet('script,style,template');
/**
 * SanitizingHtmlSerializer serializes a DOM fragment, stripping out any unsafe elements and unsafe
 * attributes.
 */
class SanitizingHtmlSerializer {
    constructor() {
        // Explicitly track if something was stripped, to avoid accidentally warning of sanitization just
        // because characters were re-encoded.
        this.sanitizedSomething = false;
        this.buf = [];
    }
    sanitizeChildren(el) {
        // This cannot use a TreeWalker, as it has to run on Angular's various DOM adapters.
        // However this code never accesses properties off of `document` before deleting its contents
        // again, so it shouldn't be vulnerable to DOM clobbering.
        let current = el.firstChild;
        let traverseContent = true;
        while (current) {
            if (current.nodeType === Node.ELEMENT_NODE) {
                traverseContent = this.startElement(current);
            }
            else if (current.nodeType === Node.TEXT_NODE) {
                this.chars(current.nodeValue);
            }
            else {
                // Strip non-element, non-text nodes.
                this.sanitizedSomething = true;
            }
            if (traverseContent && current.firstChild) {
                current = current.firstChild;
                continue;
            }
            while (current) {
                // Leaving the element. Walk up and to the right, closing tags as we go.
                if (current.nodeType === Node.ELEMENT_NODE) {
                    this.endElement(current);
                }
                let next = this.checkClobberedElement(current, current.nextSibling);
                if (next) {
                    current = next;
                    break;
                }
                current = this.checkClobberedElement(current, current.parentNode);
            }
        }
        return this.buf.join('');
    }
    /**
     * Sanitizes an opening element tag (if valid) and returns whether the element's contents should
     * be traversed. Element content must always be traversed (even if the element itself is not
     * valid/safe), unless the element is one of `SKIP_TRAVERSING_CONTENT_IF_INVALID_ELEMENTS`.
     *
     * @param element The element to sanitize.
     * @return True if the element's contents should be traversed.
     */
    startElement(element) {
        const tagName = element.nodeName.toLowerCase();
        if (!VALID_ELEMENTS.hasOwnProperty(tagName)) {
            this.sanitizedSomething = true;
            return !SKIP_TRAVERSING_CONTENT_IF_INVALID_ELEMENTS.hasOwnProperty(tagName);
        }
        this.buf.push('<');
        this.buf.push(tagName);
        const elAttrs = element.attributes;
        for (let i = 0; i < elAttrs.length; i++) {
            const elAttr = elAttrs.item(i);
            const attrName = elAttr.name;
            const lower = attrName.toLowerCase();
            if (!VALID_ATTRS.hasOwnProperty(lower)) {
                this.sanitizedSomething = true;
                continue;
            }
            let value = elAttr.value;
            // TODO(martinprobst): Special case image URIs for data:image/...
            if (URI_ATTRS[lower])
                value = _sanitizeUrl(value);
            if (SRCSET_ATTRS[lower])
                value = sanitizeSrcset(value);
            this.buf.push(' ', attrName, '="', encodeEntities(value), '"');
        }
        this.buf.push('>');
        return true;
    }
    endElement(current) {
        const tagName = current.nodeName.toLowerCase();
        if (VALID_ELEMENTS.hasOwnProperty(tagName) && !VOID_ELEMENTS.hasOwnProperty(tagName)) {
            this.buf.push('</');
            this.buf.push(tagName);
            this.buf.push('>');
        }
    }
    chars(chars) {
        this.buf.push(encodeEntities(chars));
    }
    checkClobberedElement(node, nextNode) {
        if (nextNode &&
            (node.compareDocumentPosition(nextNode) &
                Node.DOCUMENT_POSITION_CONTAINED_BY) === Node.DOCUMENT_POSITION_CONTAINED_BY) {
            throw new Error(`Failed to sanitize html because the element is clobbered: ${node.outerHTML}`);
        }
        return nextNode;
    }
}
// Regular Expressions for parsing tags and attributes
const SURROGATE_PAIR_REGEXP = /[\uD800-\uDBFF][\uDC00-\uDFFF]/g;
// ! to ~ is the ASCII range.
const NON_ALPHANUMERIC_REGEXP = /([^\#-~ |!])/g;
/**
 * Escapes all potentially dangerous characters, so that the
 * resulting string can be safely inserted into attribute or
 * element text.
 * @param value
 */
function encodeEntities(value) {
    return value.replace(/&/g, '&amp;')
        .replace(SURROGATE_PAIR_REGEXP, function (match) {
        const hi = match.charCodeAt(0);
        const low = match.charCodeAt(1);
        return '&#' + (((hi - 0xD800) * 0x400) + (low - 0xDC00) + 0x10000) + ';';
    })
        .replace(NON_ALPHANUMERIC_REGEXP, function (match) {
        return '&#' + match.charCodeAt(0) + ';';
    })
        .replace(/</g, '&lt;')
        .replace(/>/g, '&gt;');
}
let inertBodyHelper;
/**
 * Sanitizes the given unsafe, untrusted HTML fragment, and returns HTML text that is safe to add to
 * the DOM in a browser environment.
 */
function _sanitizeHtml(defaultDoc, unsafeHtmlInput) {
    let inertBodyElement = null;
    try {
        inertBodyHelper = inertBodyHelper || getInertBodyHelper(defaultDoc);
        // Make sure unsafeHtml is actually a string (TypeScript types are not enforced at runtime).
        let unsafeHtml = unsafeHtmlInput ? String(unsafeHtmlInput) : '';
        inertBodyElement = inertBodyHelper.getInertBodyElement(unsafeHtml);
        // mXSS protection. Repeatedly parse the document to make sure it stabilizes, so that a browser
        // trying to auto-correct incorrect HTML cannot cause formerly inert HTML to become dangerous.
        let mXSSAttempts = 5;
        let parsedHtml = unsafeHtml;
        do {
            if (mXSSAttempts === 0) {
                throw new Error('Failed to sanitize html because the input is unstable');
            }
            mXSSAttempts--;
            unsafeHtml = parsedHtml;
            parsedHtml = inertBodyElement.innerHTML;
            inertBodyElement = inertBodyHelper.getInertBodyElement(unsafeHtml);
        } while (unsafeHtml !== parsedHtml);
        const sanitizer = new SanitizingHtmlSerializer();
        const safeHtml = sanitizer.sanitizeChildren(getTemplateContent(inertBodyElement) || inertBodyElement);
        if ((typeof ngDevMode === 'undefined' || ngDevMode) && sanitizer.sanitizedSomething) {
            console.warn('WARNING: sanitizing HTML stripped some content, see https://g.co/ng/security#xss');
        }
        return trustedHTMLFromString(safeHtml);
    }
    finally {
        // In case anything goes wrong, clear out inertElement to reset the entire DOM structure.
        if (inertBodyElement) {
            const parent = getTemplateContent(inertBodyElement) || inertBodyElement;
            while (parent.firstChild) {
                parent.removeChild(parent.firstChild);
            }
        }
    }
}
function getTemplateContent(el) {
    return 'content' in el /** Microsoft/TypeScript#21517 */ && isTemplateElement(el) ?
        el.content :
        null;
}
function isTemplateElement(el) {
    return el.nodeType === Node.ELEMENT_NODE && el.nodeName === 'TEMPLATE';
}

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
/**
 * A SecurityContext marks a location that has dangerous security implications, e.g. a DOM property
 * like `innerHTML` that could cause Cross Site Scripting (XSS) security bugs when improperly
 * handled.
 *
 * See DomSanitizer for more details on security in Angular applications.
 *
 * @publicApi
 */
var SecurityContext;
(function (SecurityContext) {
    SecurityContext[SecurityContext["NONE"] = 0] = "NONE";
    SecurityContext[SecurityContext["HTML"] = 1] = "HTML";
    SecurityContext[SecurityContext["STYLE"] = 2] = "STYLE";
    SecurityContext[SecurityContext["SCRIPT"] = 3] = "SCRIPT";
    SecurityContext[SecurityContext["URL"] = 4] = "URL";
    SecurityContext[SecurityContext["RESOURCE_URL"] = 5] = "RESOURCE_URL";
})(SecurityContext || (SecurityContext = {}));

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
/**
 * An `html` sanitizer which converts untrusted `html` **string** into trusted string by removing
 * dangerous content.
 *
 * This method parses the `html` and locates potentially dangerous content (such as urls and
 * javascript) and removes it.
 *
 * It is possible to mark a string as trusted by calling {@link bypassSanitizationTrustHtml}.
 *
 * @param unsafeHtml untrusted `html`, typically from the user.
 * @returns `html` string which is safe to display to user, because all of the dangerous javascript
 * and urls have been removed.
 *
 * @codeGenApi
 */
function ɵɵsanitizeHtml(unsafeHtml) {
    const sanitizer = getSanitizer();
    if (sanitizer) {
        return trustedHTMLFromStringBypass(sanitizer.sanitize(SecurityContext.HTML, unsafeHtml) || '');
    }
    if (allowSanitizationBypassAndThrow(unsafeHtml, "HTML" /* Html */)) {
        return trustedHTMLFromStringBypass(unwrapSafeValue(unsafeHtml));
    }
    return _sanitizeHtml(getDocument(), renderStringify(unsafeHtml));
}
/**
 * A `style` sanitizer which converts untrusted `style` **string** into trusted string by removing
 * dangerous content.
 *
 * It is possible to mark a string as trusted by calling {@link bypassSanitizationTrustStyle}.
 *
 * @param unsafeStyle untrusted `style`, typically from the user.
 * @returns `style` string which is safe to bind to the `style` properties.
 *
 * @codeGenApi
 */
function ɵɵsanitizeStyle(unsafeStyle) {
    const sanitizer = getSanitizer();
    if (sanitizer) {
        return sanitizer.sanitize(SecurityContext.STYLE, unsafeStyle) || '';
    }
    if (allowSanitizationBypassAndThrow(unsafeStyle, "Style" /* Style */)) {
        return unwrapSafeValue(unsafeStyle);
    }
    return renderStringify(unsafeStyle);
}
/**
 * A `url` sanitizer which converts untrusted `url` **string** into trusted string by removing
 * dangerous
 * content.
 *
 * This method parses the `url` and locates potentially dangerous content (such as javascript) and
 * removes it.
 *
 * It is possible to mark a string as trusted by calling {@link bypassSanitizationTrustUrl}.
 *
 * @param unsafeUrl untrusted `url`, typically from the user.
 * @returns `url` string which is safe to bind to the `src` properties such as `<img src>`, because
 * all of the dangerous javascript has been removed.
 *
 * @codeGenApi
 */
function ɵɵsanitizeUrl(unsafeUrl) {
    const sanitizer = getSanitizer();
    if (sanitizer) {
        return sanitizer.sanitize(SecurityContext.URL, unsafeUrl) || '';
    }
    if (allowSanitizationBypassAndThrow(unsafeUrl, "URL" /* Url */)) {
        return unwrapSafeValue(unsafeUrl);
    }
    return _sanitizeUrl(renderStringify(unsafeUrl));
}
/**
 * A `url` sanitizer which only lets trusted `url`s through.
 *
 * This passes only `url`s marked trusted by calling {@link bypassSanitizationTrustResourceUrl}.
 *
 * @param unsafeResourceUrl untrusted `url`, typically from the user.
 * @returns `url` string which is safe to bind to the `src` properties such as `<img src>`, because
 * only trusted `url`s have been allowed to pass.
 *
 * @codeGenApi
 */
function ɵɵsanitizeResourceUrl(unsafeResourceUrl) {
    const sanitizer = getSanitizer();
    if (sanitizer) {
        return trustedScriptURLFromStringBypass(sanitizer.sanitize(SecurityContext.RESOURCE_URL, unsafeResourceUrl) || '');
    }
    if (allowSanitizationBypassAndThrow(unsafeResourceUrl, "ResourceURL" /* ResourceUrl */)) {
        return trustedScriptURLFromStringBypass(unwrapSafeValue(unsafeResourceUrl));
    }
    throw new Error('unsafe value used in a resource URL context (see https://g.co/ng/security#xss)');
}
/**
 * A `script` sanitizer which only lets trusted javascript through.
 *
 * This passes only `script`s marked trusted by calling {@link
 * bypassSanitizationTrustScript}.
 *
 * @param unsafeScript untrusted `script`, typically from the user.
 * @returns `url` string which is safe to bind to the `<script>` element such as `<img src>`,
 * because only trusted `scripts` have been allowed to pass.
 *
 * @codeGenApi
 */
function ɵɵsanitizeScript(unsafeScript) {
    const sanitizer = getSanitizer();
    if (sanitizer) {
        return trustedScriptFromStringBypass(sanitizer.sanitize(SecurityContext.SCRIPT, unsafeScript) || '');
    }
    if (allowSanitizationBypassAndThrow(unsafeScript, "Script" /* Script */)) {
        return trustedScriptFromStringBypass(unwrapSafeValue(unsafeScript));
    }
    throw new Error('unsafe value used in a script context');
}
/**
 * A template tag function for promoting the associated constant literal to a
 * TrustedHTML. Interpolation is explicitly not allowed.
 *
 * @param html constant template literal containing trusted HTML.
 * @returns TrustedHTML wrapping `html`.
 *
 * @security This is a security-sensitive function and should only be used to
 * convert constant values of attributes and properties found in
 * application-provided Angular templates to TrustedHTML.
 *
 * @codeGenApi
 */
function ɵɵtrustConstantHtml(html) {
    // The following runtime check ensures that the function was called as a
    // template tag (e.g. ɵɵtrustConstantHtml`content`), without any interpolation
    // (e.g. not ɵɵtrustConstantHtml`content ${variable}`). A TemplateStringsArray
    // is an array with a `raw` property that is also an array. The associated
    // template literal has no interpolation if and only if the length of the
    // TemplateStringsArray is 1.
    if (ngDevMode && (!Array.isArray(html) || !Array.isArray(html.raw) || html.length !== 1)) {
        throw new Error(`Unexpected interpolation in trusted HTML constant: ${html.join('?')}`);
    }
    return trustedHTMLFromString(html[0]);
}
/**
 * A template tag function for promoting the associated constant literal to a
 * TrustedScriptURL. Interpolation is explicitly not allowed.
 *
 * @param url constant template literal containing a trusted script URL.
 * @returns TrustedScriptURL wrapping `url`.
 *
 * @security This is a security-sensitive function and should only be used to
 * convert constant values of attributes and properties found in
 * application-provided Angular templates to TrustedScriptURL.
 *
 * @codeGenApi
 */
function ɵɵtrustConstantResourceUrl(url) {
    // The following runtime check ensures that the function was called as a
    // template tag (e.g. ɵɵtrustConstantResourceUrl`content`), without any
    // interpolation (e.g. not ɵɵtrustConstantResourceUrl`content ${variable}`). A
    // TemplateStringsArray is an array with a `raw` property that is also an
    // array. The associated template literal has no interpolation if and only if
    // the length of the TemplateStringsArray is 1.
    if (ngDevMode && (!Array.isArray(url) || !Array.isArray(url.raw) || url.length !== 1)) {
        throw new Error(`Unexpected interpolation in trusted URL constant: ${url.join('?')}`);
    }
    return trustedScriptURLFromString(url[0]);
}
/**
 * Detects which sanitizer to use for URL property, based on tag name and prop name.
 *
 * The rules are based on the RESOURCE_URL context config from
 * `packages/compiler/src/schema/dom_security_schema.ts`.
 * If tag and prop names don't match Resource URL schema, use URL sanitizer.
 */
function getUrlSanitizer(tag, prop) {
    if ((prop === 'src' &&
        (tag === 'embed' || tag === 'frame' || tag === 'iframe' || tag === 'media' ||
            tag === 'script')) ||
        (prop === 'href' && (tag === 'base' || tag === 'link'))) {
        return ɵɵsanitizeResourceUrl;
    }
    return ɵɵsanitizeUrl;
}
/**
 * Sanitizes URL, selecting sanitizer function based on tag and property names.
 *
 * This function is used in case we can't define security context at compile time, when only prop
 * name is available. This happens when we generate host bindings for Directives/Components. The
 * host element is unknown at compile time, so we defer calculation of specific sanitizer to
 * runtime.
 *
 * @param unsafeUrl untrusted `url`, typically from the user.
 * @param tag target element tag name.
 * @param prop name of the property that contains the value.
 * @returns `url` string which is safe to bind.
 *
 * @codeGenApi
 */
function ɵɵsanitizeUrlOrResourceUrl(unsafeUrl, tag, prop) {
    return getUrlSanitizer(tag, prop)(unsafeUrl);
}
function validateAgainstEventProperties(name) {
    if (name.toLowerCase().startsWith('on')) {
        const msg = `Binding to event property '${name}' is disallowed for security reasons, ` +
            `please use (${name.slice(2)})=...` +
            `\nIf '${name}' is a directive input, make sure the directive is imported by the` +
            ` current module.`;
        throw new Error(msg);
    }
}
function validateAgainstEventAttributes(name) {
    if (name.toLowerCase().startsWith('on')) {
        const msg = `Binding to event attribute '${name}' is disallowed for security reasons, ` +
            `please use (${name.slice(2)})=...`;
        throw new Error(msg);
    }
}
function getSanitizer() {
    const lView = getLView();
    return lView && lView[SANITIZER];
}

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
/**
 * Returns the matching `LContext` data for a given DOM node, directive or component instance.
 *
 * This function will examine the provided DOM element, component, or directive instance\'s
 * monkey-patched property to derive the `LContext` data. Once called then the monkey-patched
 * value will be that of the newly created `LContext`.
 *
 * If the monkey-patched value is the `LView` instance then the context value for that
 * target will be created and the monkey-patch reference will be updated. Therefore when this
 * function is called it may mutate the provided element\'s, component\'s or any of the associated
 * directive\'s monkey-patch values.
 *
 * If the monkey-patch value is not detected then the code will walk up the DOM until an element
 * is found which contains a monkey-patch reference. When that occurs then the provided element
 * will be updated with a new context (which is then returned). If the monkey-patch value is not
 * detected for a component/directive instance then it will throw an error (all components and
 * directives should be automatically monkey-patched by ivy).
 *
 * @param target Component, Directive or DOM Node.
 */
function getLContext(target) {
    let mpValue = readPatchedData(target);
    if (mpValue) {
        // only when it's an array is it considered an LView instance
        // ... otherwise it's an already constructed LContext instance
        if (Array.isArray(mpValue)) {
            const lView = mpValue;
            let nodeIndex;
            let component = undefined;
            let directives = undefined;
            if (isComponentInstance(target)) {
                nodeIndex = findViaComponent(lView, target);
                if (nodeIndex == -1) {
                    throw new Error('The provided component was not found in the application');
                }
                component = target;
            }
            else if (isDirectiveInstance(target)) {
                nodeIndex = findViaDirective(lView, target);
                if (nodeIndex == -1) {
                    throw new Error('The provided directive was not found in the application');
                }
                directives = getDirectivesAtNodeIndex(nodeIndex, lView, false);
            }
            else {
                nodeIndex = findViaNativeElement(lView, target);
                if (nodeIndex == -1) {
                    return null;
                }
            }
            // the goal is not to fill the entire context full of data because the lookups
            // are expensive. Instead, only the target data (the element, component, container, ICU
            // expression or directive details) are filled into the context. If called multiple times
            // with different target values then the missing target data will be filled in.
            const native = unwrapRNode(lView[nodeIndex]);
            const existingCtx = readPatchedData(native);
            const context = (existingCtx && !Array.isArray(existingCtx)) ?
                existingCtx :
                createLContext(lView, nodeIndex, native);
            // only when the component has been discovered then update the monkey-patch
            if (component && context.component === undefined) {
                context.component = component;
                attachPatchData(context.component, context);
            }
            // only when the directives have been discovered then update the monkey-patch
            if (directives && context.directives === undefined) {
                context.directives = directives;
                for (let i = 0; i < directives.length; i++) {
                    attachPatchData(directives[i], context);
                }
            }
            attachPatchData(context.native, context);
            mpValue = context;
        }
    }
    else {
        const rElement = target;
        ngDevMode && assertDomNode(rElement);
        // if the context is not found then we need to traverse upwards up the DOM
        // to find the nearest element that has already been monkey patched with data
        let parent = rElement;
        while (parent = parent.parentNode) {
            const parentContext = readPatchedData(parent);
            if (parentContext) {
                let lView;
                if (Array.isArray(parentContext)) {
                    lView = parentContext;
                }
                else {
                    lView = parentContext.lView;
                }
                // the edge of the app was also reached here through another means
                // (maybe because the DOM was changed manually).
                if (!lView) {
                    return null;
                }
                const index = findViaNativeElement(lView, rElement);
                if (index >= 0) {
                    const native = unwrapRNode(lView[index]);
                    const context = createLContext(lView, index, native);
                    attachPatchData(native, context);
                    mpValue = context;
                    break;
                }
            }
        }
    }
    return mpValue || null;
}
/**
 * Creates an empty instance of a `LContext` context
 */
function createLContext(lView, nodeIndex, native) {
    return {
        lView,
        nodeIndex,
        native,
        component: undefined,
        directives: undefined,
        localRefs: undefined,
    };
}
/**
 * Takes a component instance and returns the view for that component.
 *
 * @param componentInstance
 * @returns The component's view
 */
function getComponentViewByInstance(componentInstance) {
    let lView = readPatchedData(componentInstance);
    let view;
    if (Array.isArray(lView)) {
        const nodeIndex = findViaComponent(lView, componentInstance);
        view = getComponentLViewByIndex(nodeIndex, lView);
        const context = createLContext(lView, nodeIndex, view[HOST]);
        context.component = componentInstance;
        attachPatchData(componentInstance, context);
        attachPatchData(context.native, context);
    }
    else {
        const context = lView;
        view = getComponentLViewByIndex(context.nodeIndex, context.lView);
    }
    return view;
}
/**
 * This property will be monkey-patched on elements, components and directives.
 */
const MONKEY_PATCH_KEY_NAME = '__ngContext__';
/**
 * Assigns the given data to the given target (which could be a component,
 * directive or DOM node instance) using monkey-patching.
 */
function attachPatchData(target, data) {
    ngDevMode && assertDefined(target, 'Target expected');
    target[MONKEY_PATCH_KEY_NAME] = data;
}
/**
 * Returns the monkey-patch value data present on the target (which could be
 * a component, directive or a DOM node).
 */
function readPatchedData(target) {
    ngDevMode && assertDefined(target, 'Target expected');
    return target[MONKEY_PATCH_KEY_NAME] || null;
}
function readPatchedLView(target) {
    const value = readPatchedData(target);
    if (value) {
        return Array.isArray(value) ? value : value.lView;
    }
    return null;
}
function isComponentInstance(instance) {
    return instance && instance.constructor && instance.constructor.ɵcmp;
}
function isDirectiveInstance(instance) {
    return instance && instance.constructor && instance.constructor.ɵdir;
}
/**
 * Locates the element within the given LView and returns the matching index
 */
function findViaNativeElement(lView, target) {
    const tView = lView[TVIEW];
    for (let i = HEADER_OFFSET; i < tView.bindingStartIndex; i++) {
        if (unwrapRNode(lView[i]) === target) {
            return i;
        }
    }
    return -1;
}
/**
 * Locates the next tNode (child, sibling or parent).
 */
function traverseNextElement(tNode) {
    if (tNode.child) {
        return tNode.child;
    }
    else if (tNode.next) {
        return tNode.next;
    }
    else {
        // Let's take the following template: <div><span>text</span></div><component/>
        // After checking the text node, we need to find the next parent that has a "next" TNode,
        // in this case the parent `div`, so that we can find the component.
        while (tNode.parent && !tNode.parent.next) {
            tNode = tNode.parent;
        }
        return tNode.parent && tNode.parent.next;
    }
}
/**
 * Locates the component within the given LView and returns the matching index
 */
function findViaComponent(lView, componentInstance) {
    const componentIndices = lView[TVIEW].components;
    if (componentIndices) {
        for (let i = 0; i < componentIndices.length; i++) {
            const elementComponentIndex = componentIndices[i];
            const componentView = getComponentLViewByIndex(elementComponentIndex, lView);
            if (componentView[CONTEXT] === componentInstance) {
                return elementComponentIndex;
            }
        }
    }
    else {
        const rootComponentView = getComponentLViewByIndex(HEADER_OFFSET, lView);
        const rootComponent = rootComponentView[CONTEXT];
        if (rootComponent === componentInstance) {
            // we are dealing with the root element here therefore we know that the
            // element is the very first element after the HEADER data in the lView
            return HEADER_OFFSET;
        }
    }
    return -1;
}
/**
 * Locates the directive within the given LView and returns the matching index
 */
function findViaDirective(lView, directiveInstance) {
    // if a directive is monkey patched then it will (by default)
    // have a reference to the LView of the current view. The
    // element bound to the directive being search lives somewhere
    // in the view data. We loop through the nodes and check their
    // list of directives for the instance.
    let tNode = lView[TVIEW].firstChild;
    while (tNode) {
        const directiveIndexStart = tNode.directiveStart;
        const directiveIndexEnd = tNode.directiveEnd;
        for (let i = directiveIndexStart; i < directiveIndexEnd; i++) {
            if (lView[i] === directiveInstance) {
                return tNode.index;
            }
        }
        tNode = traverseNextElement(tNode);
    }
    return -1;
}
/**
 * Returns a list of directives extracted from the given view based on the
 * provided list of directive index values.
 *
 * @param nodeIndex The node index
 * @param lView The target view data
 * @param includeComponents Whether or not to include components in returned directives
 */
function getDirectivesAtNodeIndex(nodeIndex, lView, includeComponents) {
    const tNode = lView[TVIEW].data[nodeIndex];
    let directiveStartIndex = tNode.directiveStart;
    if (directiveStartIndex == 0)
        return EMPTY_ARRAY;
    const directiveEndIndex = tNode.directiveEnd;
    if (!includeComponents && tNode.flags & 2 /* isComponentHost */)
        directiveStartIndex++;
    return lView.slice(directiveStartIndex, directiveEndIndex);
}
function getComponentAtNodeIndex(nodeIndex, lView) {
    const tNode = lView[TVIEW].data[nodeIndex];
    let directiveStartIndex = tNode.directiveStart;
    return tNode.flags & 2 /* isComponentHost */ ? lView[directiveStartIndex] : null;
}
/**
 * Returns a map of local references (local reference name => element or directive instance) that
 * exist on a given element.
 */
function discoverLocalRefs(lView, nodeIndex) {
    const tNode = lView[TVIEW].data[nodeIndex];
    if (tNode && tNode.localNames) {
        const result = {};
        let localIndex = tNode.index + 1;
        for (let i = 0; i < tNode.localNames.length; i += 2) {
            result[tNode.localNames[i]] = lView[localIndex];
            localIndex++;
        }
        return result;
    }
    return null;
}

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
const ERROR_TYPE = 'ngType';
const ERROR_DEBUG_CONTEXT = 'ngDebugContext';
const ERROR_ORIGINAL_ERROR = 'ngOriginalError';
const ERROR_LOGGER = 'ngErrorLogger';
function wrappedError(message, originalError) {
    const msg = `${message} caused by: ${originalError instanceof Error ? originalError.message : originalError}`;
    const error = Error(msg);
    error[ERROR_ORIGINAL_ERROR] = originalError;
    return error;
}

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
function getType(error) {
    return error[ERROR_TYPE];
}
function getDebugContext(error) {
    return error[ERROR_DEBUG_CONTEXT];
}
function getOriginalError(error) {
    return error[ERROR_ORIGINAL_ERROR];
}
function getErrorLogger(error) {
    return error && error[ERROR_LOGGER] || defaultErrorLogger;
}
function defaultErrorLogger(console, ...values) {
    console.error(...values);
}

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
/**
 * Provides a hook for centralized exception handling.
 *
 * The default implementation of `ErrorHandler` prints error messages to the `console`. To
 * intercept error handling, write a custom exception handler that replaces this default as
 * appropriate for your app.
 *
 * @usageNotes
 * ### Example
 *
 * ```
 * class MyErrorHandler implements ErrorHandler {
 *   handleError(error) {
 *     // do something with the exception
 *   }
 * }
 *
 * @NgModule({
 *   providers: [{provide: ErrorHandler, useClass: MyErrorHandler}]
 * })
 * class MyModule {}
 * ```
 *
 * @publicApi
 */
class ErrorHandler {
    constructor() {
        /**
         * @internal
         */
        this._console = console;
    }
    handleError(error) {
        const originalError = this._findOriginalError(error);
        const context = this._findContext(error);
        // Note: Browser consoles show the place from where console.error was called.
        // We can use this to give users additional information about the error.
        const errorLogger = getErrorLogger(error);
        errorLogger(this._console, `ERROR`, error);
        if (originalError) {
            errorLogger(this._console, `ORIGINAL ERROR`, originalError);
        }
        if (context) {
            errorLogger(this._console, 'ERROR CONTEXT', context);
        }
    }
    /** @internal */
    _findContext(error) {
        return error ? (getDebugContext(error) || this._findContext(getOriginalError(error))) : null;
    }
    /** @internal */
    _findOriginalError(error) {
        let e = error && getOriginalError(error);
        while (e && getOriginalError(e)) {
            e = getOriginalError(e);
        }
        return e || null;
    }
}

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
/**
 * Defines a schema that allows an NgModule to contain the following:
 * - Non-Angular elements named with dash case (`-`).
 * - Element properties named with dash case (`-`).
 * Dash case is the naming convention for custom elements.
 *
 * @publicApi
 */
const CUSTOM_ELEMENTS_SCHEMA = {
    name: 'custom-elements'
};
/**
 * Defines a schema that allows any property on any element.
 *
 * This schema allows you to ignore the errors related to any unknown elements or properties in a
 * template. The usage of this schema is generally discouraged because it prevents useful validation
 * and may hide real errors in your template. Consider using the `CUSTOM_ELEMENTS_SCHEMA` instead.
 *
 * @publicApi
 */
const NO_ERRORS_SCHEMA = {
    name: 'no-errors-schema'
};

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
/**
 * Disallowed strings in the comment.
 *
 * see: https://html.spec.whatwg.org/multipage/syntax.html#comments
 */
const COMMENT_DISALLOWED = /^>|^->|<!--|-->|--!>|<!-$/g;
/**
 * Delimiter in the disallowed strings which needs to be wrapped with zero with character.
 */
const COMMENT_DELIMITER = /(<|>)/;
const COMMENT_DELIMITER_ESCAPED = '\u200B$1\u200B';
/**
 * Escape the content of comment strings so that it can be safely inserted into a comment node.
 *
 * The issue is that HTML does not specify any way to escape comment end text inside the comment.
 * Consider: `<!-- The way you close a comment is with ">", and "->" at the beginning or by "-->" or
 * "--!>" at the end. -->`. Above the `"-->"` is meant to be text not an end to the comment. This
 * can be created programmatically through DOM APIs. (`<!--` are also disallowed.)
 *
 * see: https://html.spec.whatwg.org/multipage/syntax.html#comments
 *
 * ```
 * div.innerHTML = div.innerHTML
 * ```
 *
 * One would expect that the above code would be safe to do, but it turns out that because comment
 * text is not escaped, the comment may contain text which will prematurely close the comment
 * opening up the application for XSS attack. (In SSR we programmatically create comment nodes which
 * may contain such text and expect them to be safe.)
 *
 * This function escapes the comment text by looking for comment delimiters (`<` and `>`) and
 * surrounding them with `_>_` where the `_` is a zero width space `\u200B`. The result is that if a
 * comment contains any of the comment start/end delimiters (such as `<!--`, `-->` or `--!>`) the
 * text it will render normally but it will not cause the HTML parser to close/open the comment.
 *
 * @param value text to make safe for comment node by escaping the comment open/close character
 *     sequence.
 */
function escapeCommentText(value) {
    return value.replace(COMMENT_DISALLOWED, (text) => text.replace(COMMENT_DELIMITER, COMMENT_DELIMITER_ESCAPED));
}

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
/**
 * THIS FILE CONTAINS CODE WHICH SHOULD BE TREE SHAKEN AND NEVER CALLED FROM PRODUCTION CODE!!!
 */
/**
 * Creates an `Array` construction with a given name. This is useful when
 * looking for memory consumption to see what time of array it is.
 *
 *
 * @param name Name to give to the constructor
 * @returns A subclass of `Array` if possible. This can only be done in
 *          environments which support `class` construct.
 */
function createNamedArrayType(name) {
    // This should never be called in prod mode, so let's verify that is the case.
    if (ngDevMode) {
        try {
            // If this function were compromised the following could lead to arbitrary
            // script execution. We bless it with Trusted Types anyway since this
            // function is stripped out of production binaries.
            return (newTrustedFunctionForDev('Array', `return class ${name} extends Array{}`))(Array);
        }
        catch (e) {
            // If it does not work just give up and fall back to regular Array.
            return Array;
        }
    }
    else {
        throw new Error('Looks like we are in \'prod mode\', but we are creating a named Array type, which is wrong! Check your code');
    }
}

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
function normalizeDebugBindingName(name) {
    // Attribute names with `$` (eg `x-y$`) are valid per spec, but unsupported by some browsers
    name = camelCaseToDashCase(name.replace(/[$@]/g, '_'));
    return `ng-reflect-${name}`;
}
const CAMEL_CASE_REGEXP = /([A-Z])/g;
function camelCaseToDashCase(input) {
    return input.replace(CAMEL_CASE_REGEXP, (...m) => '-' + m[1].toLowerCase());
}
function normalizeDebugBindingValue(value) {
    try {
        // Limit the size of the value as otherwise the DOM just gets polluted.
        return value != null ? value.toString().slice(0, 30) : value;
    }
    catch (e) {
        return '[ERROR] Exception while trying to serialize the value';
    }
}

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
const ɵ0$4 = () => (typeof requestAnimationFrame !== 'undefined' &&
    requestAnimationFrame || // browser only
    setTimeout // everything else
)
    .bind(_global);
const defaultScheduler = (ɵ0$4)();
/**
 *
 * @codeGenApi
 */
function ɵɵresolveWindow(element) {
    return element.ownerDocument.defaultView;
}
/**
 *
 * @codeGenApi
 */
function ɵɵresolveDocument(element) {
    return element.ownerDocument;
}
/**
 *
 * @codeGenApi
 */
function ɵɵresolveBody(element) {
    return element.ownerDocument.body;
}
/**
 * The special delimiter we use to separate property names, prefixes, and suffixes
 * in property binding metadata. See storeBindingMetadata().
 *
 * We intentionally use the Unicode "REPLACEMENT CHARACTER" (U+FFFD) as a delimiter
 * because it is a very uncommon character that is unlikely to be part of a user's
 * property names or interpolation strings. If it is in fact used in a property
 * binding, DebugElement.properties will not return the correct value for that
 * binding. However, there should be no runtime effect for real applications.
 *
 * This character is typically rendered as a question mark inside of a diamond.
 * See https://en.wikipedia.org/wiki/Specials_(Unicode_block)
 *
 */
const INTERPOLATION_DELIMITER = `�`;
/**
 * Unwrap a value which might be behind a closure (for forward declaration reasons).
 */
function maybeUnwrapFn(value) {
    if (value instanceof Function) {
        return value();
    }
    else {
        return value;
    }
}

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
/** Called when there are multiple component selectors that match a given node */
function throwMultipleComponentError(tNode) {
    throw new RuntimeError("300" /* MULTIPLE_COMPONENTS_MATCH */, `Multiple components match node with tagname ${tNode.value}`);
}
/** Throws an ExpressionChangedAfterChecked error if checkNoChanges mode is on. */
function throwErrorIfNoChangesMode(creationMode, oldValue, currValue, propName) {
    const field = propName ? ` for '${propName}'` : '';
    let msg = `ExpressionChangedAfterItHasBeenCheckedError: Expression has changed after it was checked. Previous value${field}: '${oldValue}'. Current value: '${currValue}'.`;
    if (creationMode) {
        msg +=
            ` It seems like the view has been created after its parent and its children have been dirty checked.` +
                ` Has it been created in a change detection hook?`;
    }
    // TODO: include debug context, see `viewDebugError` function in
    // `packages/core/src/view/errors.ts` for reference.
    throw new RuntimeError("100" /* EXPRESSION_CHANGED_AFTER_CHECKED */, msg);
}
function constructDetailsForInterpolation(lView, rootIndex, expressionIndex, meta, changedValue) {
    const [propName, prefix, ...chunks] = meta.split(INTERPOLATION_DELIMITER);
    let oldValue = prefix, newValue = prefix;
    for (let i = 0; i < chunks.length; i++) {
        const slotIdx = rootIndex + i;
        oldValue += `${lView[slotIdx]}${chunks[i]}`;
        newValue += `${slotIdx === expressionIndex ? changedValue : lView[slotIdx]}${chunks[i]}`;
    }
    return { propName, oldValue, newValue };
}
/**
 * Constructs an object that contains details for the ExpressionChangedAfterItHasBeenCheckedError:
 * - property name (for property bindings or interpolations)
 * - old and new values, enriched using information from metadata
 *
 * More information on the metadata storage format can be found in `storePropertyBindingMetadata`
 * function description.
 */
function getExpressionChangedErrorDetails(lView, bindingIndex, oldValue, newValue) {
    const tData = lView[TVIEW].data;
    const metadata = tData[bindingIndex];
    if (typeof metadata === 'string') {
        // metadata for property interpolation
        if (metadata.indexOf(INTERPOLATION_DELIMITER) > -1) {
            return constructDetailsForInterpolation(lView, bindingIndex, bindingIndex, metadata, newValue);
        }
        // metadata for property binding
        return { propName: metadata, oldValue, newValue };
    }
    // metadata is not available for this expression, check if this expression is a part of the
    // property interpolation by going from the current binding index left and look for a string that
    // contains INTERPOLATION_DELIMITER, the layout in tView.data for this case will look like this:
    // [..., 'id�Prefix � and � suffix', null, null, null, ...]
    if (metadata === null) {
        let idx = bindingIndex - 1;
        while (typeof tData[idx] !== 'string' && tData[idx + 1] === null) {
            idx--;
        }
        const meta = tData[idx];
        if (typeof meta === 'string') {
            const matches = meta.match(new RegExp(INTERPOLATION_DELIMITER, 'g'));
            // first interpolation delimiter separates property name from interpolation parts (in case of
            // property interpolations), so we subtract one from total number of found delimiters
            if (matches && (matches.length - 1) > bindingIndex - idx) {
                return constructDetailsForInterpolation(lView, idx, bindingIndex, meta, newValue);
            }
        }
    }
    return { propName: undefined, oldValue, newValue };
}

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
/**
 * Flags for renderer-specific style modifiers.
 * @publicApi
 */
var RendererStyleFlags2;
(function (RendererStyleFlags2) {
    // TODO(misko): This needs to be refactored into a separate file so that it can be imported from
    // `node_manipulation.ts` Currently doing the import cause resolution order to change and fails
    // the tests. The work around is to have hard coded value in `node_manipulation.ts` for now.
    /**
     * Marks a style as important.
     */
    RendererStyleFlags2[RendererStyleFlags2["Important"] = 1] = "Important";
    /**
     * Marks a style as using dash case naming (this-is-dash-case).
     */
    RendererStyleFlags2[RendererStyleFlags2["DashCase"] = 2] = "DashCase";
})(RendererStyleFlags2 || (RendererStyleFlags2 = {}));

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
let _icuContainerIterate;
/**
 * Iterator which provides ability to visit all of the `TIcuContainerNode` root `RNode`s.
 */
function icuContainerIterate(tIcuContainerNode, lView) {
    return _icuContainerIterate(tIcuContainerNode, lView);
}
/**
 * Ensures that `IcuContainerVisitor`'s implementation is present.
 *
 * This function is invoked when i18n instruction comes across an ICU. The purpose is to allow the
 * bundler to tree shake ICU logic and only load it if ICU instruction is executed.
 */
function ensureIcuContainerVisitorLoaded(loader) {
    if (_icuContainerIterate === undefined) {
        // Do not inline this function. We want to keep `ensureIcuContainerVisitorLoaded` light, so it
        // can be inlined into call-site.
        _icuContainerIterate = loader();
    }
}

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
// Note: This hack is necessary so we don't erroneously get a circular dependency
// failure based on types.
const unusedValueExportToPlacateAjd$5 = 1;

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
/**
 * Gets the parent LView of the passed LView, if the PARENT is an LContainer, will get the parent of
 * that LContainer, which is an LView
 * @param lView the lView whose parent to get
 */
function getLViewParent(lView) {
    ngDevMode && assertLView(lView);
    const parent = lView[PARENT];
    return isLContainer(parent) ? parent[PARENT] : parent;
}
/**
 * Retrieve the root view from any component or `LView` by walking the parent `LView` until
 * reaching the root `LView`.
 *
 * @param componentOrLView any component or `LView`
 */
function getRootView(componentOrLView) {
    ngDevMode && assertDefined(componentOrLView, 'component');
    let lView = isLView(componentOrLView) ? componentOrLView : readPatchedLView(componentOrLView);
    while (lView && !(lView[FLAGS] & 512 /* IsRoot */)) {
        lView = getLViewParent(lView);
    }
    ngDevMode && assertLView(lView);
    return lView;
}
/**
 * Returns the `RootContext` instance that is associated with
 * the application where the target is situated. It does this by walking the parent views until it
 * gets to the root view, then getting the context off of that.
 *
 * @param viewOrComponent the `LView` or component to get the root context for.
 */
function getRootContext(viewOrComponent) {
    const rootView = getRootView(viewOrComponent);
    ngDevMode &&
        assertDefined(rootView[CONTEXT], 'RootView has no context. Perhaps it is disconnected?');
    return rootView[CONTEXT];
}
/**
 * Gets the first `LContainer` in the LView or `null` if none exists.
 */
function getFirstLContainer(lView) {
    return getNearestLContainer(lView[CHILD_HEAD]);
}
/**
 * Gets the next `LContainer` that is a sibling of the given container.
 */
function getNextLContainer(container) {
    return getNearestLContainer(container[NEXT]);
}
function getNearestLContainer(viewOrContainer) {
    while (viewOrContainer !== null && !isLContainer(viewOrContainer)) {
        viewOrContainer = viewOrContainer[NEXT];
    }
    return viewOrContainer;
}

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
const unusedValueToPlacateAjd = unusedValueExportToPlacateAjd$1 + unusedValueExportToPlacateAjd$4 + unusedValueExportToPlacateAjd$5 + unusedValueExportToPlacateAjd$2 + unusedValueExportToPlacateAjd;
/**
 * NOTE: for performance reasons, the possible actions are inlined within the function instead of
 * being passed as an argument.
 */
function applyToElementOrContainer(action, renderer, parent, lNodeToHandle, beforeNode) {
    // If this slot was allocated for a text node dynamically created by i18n, the text node itself
    // won't be created until i18nApply() in the update block, so this node should be skipped.
    // For more info, see "ICU expressions should work inside an ngTemplateOutlet inside an ngFor"
    // in `i18n_spec.ts`.
    if (lNodeToHandle != null) {
        let lContainer;
        let isComponent = false;
        // We are expecting an RNode, but in the case of a component or LContainer the `RNode` is
        // wrapped in an array which needs to be unwrapped. We need to know if it is a component and if
        // it has LContainer so that we can process all of those cases appropriately.
        if (isLContainer(lNodeToHandle)) {
            lContainer = lNodeToHandle;
        }
        else if (isLView(lNodeToHandle)) {
            isComponent = true;
            ngDevMode && assertDefined(lNodeToHandle[HOST], 'HOST must be defined for a component LView');
            lNodeToHandle = lNodeToHandle[HOST];
        }
        const rNode = unwrapRNode(lNodeToHandle);
        ngDevMode && !isProceduralRenderer(renderer) && assertDomNode(rNode);
        if (action === 0 /* Create */ && parent !== null) {
            if (beforeNode == null) {
                nativeAppendChild(renderer, parent, rNode);
            }
            else {
                nativeInsertBefore(renderer, parent, rNode, beforeNode || null, true);
            }
        }
        else if (action === 1 /* Insert */ && parent !== null) {
            nativeInsertBefore(renderer, parent, rNode, beforeNode || null, true);
        }
        else if (action === 2 /* Detach */) {
            nativeRemoveNode(renderer, rNode, isComponent);
        }
        else if (action === 3 /* Destroy */) {
            ngDevMode && ngDevMode.rendererDestroyNode++;
            renderer.destroyNode(rNode);
        }
        if (lContainer != null) {
            applyContainer(renderer, action, lContainer, parent, beforeNode);
        }
    }
}
function createTextNode(renderer, value) {
    ngDevMode && ngDevMode.rendererCreateTextNode++;
    ngDevMode && ngDevMode.rendererSetText++;
    return isProceduralRenderer(renderer) ? renderer.createText(value) :
        renderer.createTextNode(value);
}
function updateTextNode(renderer, rNode, value) {
    ngDevMode && ngDevMode.rendererSetText++;
    isProceduralRenderer(renderer) ? renderer.setValue(rNode, value) : rNode.textContent = value;
}
function createCommentNode(renderer, value) {
    ngDevMode && ngDevMode.rendererCreateComment++;
    // isProceduralRenderer check is not needed because both `Renderer2` and `Renderer3` have the same
    // method name.
    return renderer.createComment(escapeCommentText(value));
}
/**
 * Creates a native element from a tag name, using a renderer.
 * @param renderer A renderer to use
 * @param name the tag name
 * @param namespace Optional namespace for element.
 * @returns the element created
 */
function createElementNode(renderer, name, namespace) {
    ngDevMode && ngDevMode.rendererCreateElement++;
    if (isProceduralRenderer(renderer)) {
        return renderer.createElement(name, namespace);
    }
    else {
        return namespace === null ? renderer.createElement(name) :
            renderer.createElementNS(namespace, name);
    }
}
/**
 * Removes all DOM elements associated with a view.
 *
 * Because some root nodes of the view may be containers, we sometimes need
 * to propagate deeply into the nested containers to remove all elements in the
 * views beneath it.
 *
 * @param tView The `TView' of the `LView` from which elements should be added or removed
 * @param lView The view from which elements should be added or removed
 */
function removeViewFromContainer(tView, lView) {
    const renderer = lView[RENDERER];
    applyView(tView, lView, renderer, 2 /* Detach */, null, null);
    lView[HOST] = null;
    lView[T_HOST] = null;
}
/**
 * Adds all DOM elements associated with a view.
 *
 * Because some root nodes of the view may be containers, we sometimes need
 * to propagate deeply into the nested containers to add all elements in the
 * views beneath it.
 *
 * @param tView The `TView' of the `LView` from which elements should be added or removed
 * @param parentTNode The `TNode` where the `LView` should be attached to.
 * @param renderer Current renderer to use for DOM manipulations.
 * @param lView The view from which elements should be added or removed
 * @param parentNativeNode The parent `RElement` where it should be inserted into.
 * @param beforeNode The node before which elements should be added, if insert mode
 */
function addViewToContainer(tView, parentTNode, renderer, lView, parentNativeNode, beforeNode) {
    lView[HOST] = parentNativeNode;
    lView[T_HOST] = parentTNode;
    applyView(tView, lView, renderer, 1 /* Insert */, parentNativeNode, beforeNode);
}
/**
 * Detach a `LView` from the DOM by detaching its nodes.
 *
 * @param tView The `TView' of the `LView` to be detached
 * @param lView the `LView` to be detached.
 */
function renderDetachView(tView, lView) {
    applyView(tView, lView, lView[RENDERER], 2 /* Detach */, null, null);
}
/**
 * Traverses down and up the tree of views and containers to remove listeners and
 * call onDestroy callbacks.
 *
 * Notes:
 *  - Because it's used for onDestroy calls, it needs to be bottom-up.
 *  - Must process containers instead of their views to avoid splicing
 *  when views are destroyed and re-added.
 *  - Using a while loop because it's faster than recursion
 *  - Destroy only called on movement to sibling or movement to parent (laterally or up)
 *
 *  @param rootView The view to destroy
 */
function destroyViewTree(rootView) {
    // If the view has no children, we can clean it up and return early.
    let lViewOrLContainer = rootView[CHILD_HEAD];
    if (!lViewOrLContainer) {
        return cleanUpView(rootView[TVIEW], rootView);
    }
    while (lViewOrLContainer) {
        let next = null;
        if (isLView(lViewOrLContainer)) {
            // If LView, traverse down to child.
            next = lViewOrLContainer[CHILD_HEAD];
        }
        else {
            ngDevMode && assertLContainer(lViewOrLContainer);
            // If container, traverse down to its first LView.
            const firstView = lViewOrLContainer[CONTAINER_HEADER_OFFSET];
            if (firstView)
                next = firstView;
        }
        if (!next) {
            // Only clean up view when moving to the side or up, as destroy hooks
            // should be called in order from the bottom up.
            while (lViewOrLContainer && !lViewOrLContainer[NEXT] && lViewOrLContainer !== rootView) {
                if (isLView(lViewOrLContainer)) {
                    cleanUpView(lViewOrLContainer[TVIEW], lViewOrLContainer);
                }
                lViewOrLContainer = lViewOrLContainer[PARENT];
            }
            if (lViewOrLContainer === null)
                lViewOrLContainer = rootView;
            if (isLView(lViewOrLContainer)) {
                cleanUpView(lViewOrLContainer[TVIEW], lViewOrLContainer);
            }
            next = lViewOrLContainer && lViewOrLContainer[NEXT];
        }
        lViewOrLContainer = next;
    }
}
/**
 * Inserts a view into a container.
 *
 * This adds the view to the container's array of active views in the correct
 * position. It also adds the view's elements to the DOM if the container isn't a
 * root node of another view (in that case, the view's elements will be added when
 * the container's parent view is added later).
 *
 * @param tView The `TView' of the `LView` to insert
 * @param lView The view to insert
 * @param lContainer The container into which the view should be inserted
 * @param index Which index in the container to insert the child view into
 */
function insertView(tView, lView, lContainer, index) {
    ngDevMode && assertLView(lView);
    ngDevMode && assertLContainer(lContainer);
    const indexInContainer = CONTAINER_HEADER_OFFSET + index;
    const containerLength = lContainer.length;
    if (index > 0) {
        // This is a new view, we need to add it to the children.
        lContainer[indexInContainer - 1][NEXT] = lView;
    }
    if (index < containerLength - CONTAINER_HEADER_OFFSET) {
        lView[NEXT] = lContainer[indexInContainer];
        addToArray(lContainer, CONTAINER_HEADER_OFFSET + index, lView);
    }
    else {
        lContainer.push(lView);
        lView[NEXT] = null;
    }
    lView[PARENT] = lContainer;
    // track views where declaration and insertion points are different
    const declarationLContainer = lView[DECLARATION_LCONTAINER];
    if (declarationLContainer !== null && lContainer !== declarationLContainer) {
        trackMovedView(declarationLContainer, lView);
    }
    // notify query that a new view has been added
    const lQueries = lView[QUERIES];
    if (lQueries !== null) {
        lQueries.insertView(tView);
    }
    // Sets the attached flag
    lView[FLAGS] |= 128 /* Attached */;
}
/**
 * Track views created from the declaration container (TemplateRef) and inserted into a
 * different LContainer.
 */
function trackMovedView(declarationContainer, lView) {
    ngDevMode && assertDefined(lView, 'LView required');
    ngDevMode && assertLContainer(declarationContainer);
    const movedViews = declarationContainer[MOVED_VIEWS];
    const insertedLContainer = lView[PARENT];
    ngDevMode && assertLContainer(insertedLContainer);
    const insertedComponentLView = insertedLContainer[PARENT][DECLARATION_COMPONENT_VIEW];
    ngDevMode && assertDefined(insertedComponentLView, 'Missing insertedComponentLView');
    const declaredComponentLView = lView[DECLARATION_COMPONENT_VIEW];
    ngDevMode && assertDefined(declaredComponentLView, 'Missing declaredComponentLView');
    if (declaredComponentLView !== insertedComponentLView) {
        // At this point the declaration-component is not same as insertion-component; this means that
        // this is a transplanted view. Mark the declared lView as having transplanted views so that
        // those views can participate in CD.
        declarationContainer[HAS_TRANSPLANTED_VIEWS] = true;
    }
    if (movedViews === null) {
        declarationContainer[MOVED_VIEWS] = [lView];
    }
    else {
        movedViews.push(lView);
    }
}
function detachMovedView(declarationContainer, lView) {
    ngDevMode && assertLContainer(declarationContainer);
    ngDevMode &&
        assertDefined(declarationContainer[MOVED_VIEWS], 'A projected view should belong to a non-empty projected views collection');
    const movedViews = declarationContainer[MOVED_VIEWS];
    const declarationViewIndex = movedViews.indexOf(lView);
    const insertionLContainer = lView[PARENT];
    ngDevMode && assertLContainer(insertionLContainer);
    // If the view was marked for refresh but then detached before it was checked (where the flag
    // would be cleared and the counter decremented), we need to decrement the view counter here
    // instead.
    if (lView[FLAGS] & 1024 /* RefreshTransplantedView */) {
        lView[FLAGS] &= ~1024 /* RefreshTransplantedView */;
        updateTransplantedViewCount(insertionLContainer, -1);
    }
    movedViews.splice(declarationViewIndex, 1);
}
/**
 * Detaches a view from a container.
 *
 * This method removes the view from the container's array of active views. It also
 * removes the view's elements from the DOM.
 *
 * @param lContainer The container from which to detach a view
 * @param removeIndex The index of the view to detach
 * @returns Detached LView instance.
 */
function detachView(lContainer, removeIndex) {
    if (lContainer.length <= CONTAINER_HEADER_OFFSET)
        return;
    const indexInContainer = CONTAINER_HEADER_OFFSET + removeIndex;
    const viewToDetach = lContainer[indexInContainer];
    if (viewToDetach) {
        const declarationLContainer = viewToDetach[DECLARATION_LCONTAINER];
        if (declarationLContainer !== null && declarationLContainer !== lContainer) {
            detachMovedView(declarationLContainer, viewToDetach);
        }
        if (removeIndex > 0) {
            lContainer[indexInContainer - 1][NEXT] = viewToDetach[NEXT];
        }
        const removedLView = removeFromArray(lContainer, CONTAINER_HEADER_OFFSET + removeIndex);
        removeViewFromContainer(viewToDetach[TVIEW], viewToDetach);
        // notify query that a view has been removed
        const lQueries = removedLView[QUERIES];
        if (lQueries !== null) {
            lQueries.detachView(removedLView[TVIEW]);
        }
        viewToDetach[PARENT] = null;
        viewToDetach[NEXT] = null;
        // Unsets the attached flag
        viewToDetach[FLAGS] &= ~128 /* Attached */;
    }
    return viewToDetach;
}
/**
 * A standalone function which destroys an LView,
 * conducting clean up (e.g. removing listeners, calling onDestroys).
 *
 * @param tView The `TView' of the `LView` to be destroyed
 * @param lView The view to be destroyed.
 */
function destroyLView(tView, lView) {
    if (!(lView[FLAGS] & 256 /* Destroyed */)) {
        const renderer = lView[RENDERER];
        if (isProceduralRenderer(renderer) && renderer.destroyNode) {
            applyView(tView, lView, renderer, 3 /* Destroy */, null, null);
        }
        destroyViewTree(lView);
    }
}
/**
 * Calls onDestroys hooks for all directives and pipes in a given view and then removes all
 * listeners. Listeners are removed as the last step so events delivered in the onDestroys hooks
 * can be propagated to @Output listeners.
 *
 * @param tView `TView` for the `LView` to clean up.
 * @param lView The LView to clean up
 */
function cleanUpView(tView, lView) {
    if (!(lView[FLAGS] & 256 /* Destroyed */)) {
        // Usually the Attached flag is removed when the view is detached from its parent, however
        // if it's a root view, the flag won't be unset hence why we're also removing on destroy.
        lView[FLAGS] &= ~128 /* Attached */;
        // Mark the LView as destroyed *before* executing the onDestroy hooks. An onDestroy hook
        // runs arbitrary user code, which could include its own `viewRef.destroy()` (or similar). If
        // We don't flag the view as destroyed before the hooks, this could lead to an infinite loop.
        // This also aligns with the ViewEngine behavior. It also means that the onDestroy hook is
        // really more of an "afterDestroy" hook if you think about it.
        lView[FLAGS] |= 256 /* Destroyed */;
        executeOnDestroys(tView, lView);
        processCleanups(tView, lView);
        // For component views only, the local renderer is destroyed at clean up time.
        if (lView[TVIEW].type === 1 /* Component */ && isProceduralRenderer(lView[RENDERER])) {
            ngDevMode && ngDevMode.rendererDestroy++;
            lView[RENDERER].destroy();
        }
        const declarationContainer = lView[DECLARATION_LCONTAINER];
        // we are dealing with an embedded view that is still inserted into a container
        if (declarationContainer !== null && isLContainer(lView[PARENT])) {
            // and this is a projected view
            if (declarationContainer !== lView[PARENT]) {
                detachMovedView(declarationContainer, lView);
            }
            // For embedded views still attached to a container: remove query result from this view.
            const lQueries = lView[QUERIES];
            if (lQueries !== null) {
                lQueries.detachView(tView);
            }
        }
    }
}
/** Removes listeners and unsubscribes from output subscriptions */
function processCleanups(tView, lView) {
    const tCleanup = tView.cleanup;
    const lCleanup = lView[CLEANUP];
    // `LCleanup` contains both share information with `TCleanup` as well as instance specific
    // information appended at the end. We need to know where the end of the `TCleanup` information
    // is, and we track this with `lastLCleanupIndex`.
    let lastLCleanupIndex = -1;
    if (tCleanup !== null) {
        for (let i = 0; i < tCleanup.length - 1; i += 2) {
            if (typeof tCleanup[i] === 'string') {
                // This is a native DOM listener
                const idxOrTargetGetter = tCleanup[i + 1];
                const target = typeof idxOrTargetGetter === 'function' ?
                    idxOrTargetGetter(lView) :
                    unwrapRNode(lView[idxOrTargetGetter]);
                const listener = lCleanup[lastLCleanupIndex = tCleanup[i + 2]];
                const useCaptureOrSubIdx = tCleanup[i + 3];
                if (typeof useCaptureOrSubIdx === 'boolean') {
                    // native DOM listener registered with Renderer3
                    target.removeEventListener(tCleanup[i], listener, useCaptureOrSubIdx);
                }
                else {
                    if (useCaptureOrSubIdx >= 0) {
                        // unregister
                        lCleanup[lastLCleanupIndex = useCaptureOrSubIdx]();
                    }
                    else {
                        // Subscription
                        lCleanup[lastLCleanupIndex = -useCaptureOrSubIdx].unsubscribe();
                    }
                }
                i += 2;
            }
            else {
                // This is a cleanup function that is grouped with the index of its context
                const context = lCleanup[lastLCleanupIndex = tCleanup[i + 1]];
                tCleanup[i].call(context);
            }
        }
    }
    if (lCleanup !== null) {
        for (let i = lastLCleanupIndex + 1; i < lCleanup.length; i++) {
            const instanceCleanupFn = lCleanup[i];
            ngDevMode && assertFunction(instanceCleanupFn, 'Expecting instance cleanup function.');
            instanceCleanupFn();
        }
        lView[CLEANUP] = null;
    }
}
/** Calls onDestroy hooks for this view */
function executeOnDestroys(tView, lView) {
    let destroyHooks;
    if (tView != null && (destroyHooks = tView.destroyHooks) != null) {
        for (let i = 0; i < destroyHooks.length; i += 2) {
            const context = lView[destroyHooks[i]];
            // Only call the destroy hook if the context has been requested.
            if (!(context instanceof NodeInjectorFactory)) {
                const toCall = destroyHooks[i + 1];
                if (Array.isArray(toCall)) {
                    for (let j = 0; j < toCall.length; j += 2) {
                        const callContext = context[toCall[j]];
                        const hook = toCall[j + 1];
                        profiler(4 /* LifecycleHookStart */, callContext, hook);
                        try {
                            hook.call(callContext);
                        }
                        finally {
                            profiler(5 /* LifecycleHookEnd */, callContext, hook);
                        }
                    }
                }
                else {
                    profiler(4 /* LifecycleHookStart */, context, toCall);
                    try {
                        toCall.call(context);
                    }
                    finally {
                        profiler(5 /* LifecycleHookEnd */, context, toCall);
                    }
                }
            }
        }
    }
}
/**
 * Returns a native element if a node can be inserted into the given parent.
 *
 * There are two reasons why we may not be able to insert a element immediately.
 * - Projection: When creating a child content element of a component, we have to skip the
 *   insertion because the content of a component will be projected.
 *   `<component><content>delayed due to projection</content></component>`
 * - Parent container is disconnected: This can happen when we are inserting a view into
 *   parent container, which itself is disconnected. For example the parent container is part
 *   of a View which has not be inserted or is made for projection but has not been inserted
 *   into destination.
 *
 * @param tView: Current `TView`.
 * @param tNode: `TNode` for which we wish to retrieve render parent.
 * @param lView: Current `LView`.
 */
function getParentRElement(tView, tNode, lView) {
    return getClosestRElement(tView, tNode.parent, lView);
}
/**
 * Get closest `RElement` or `null` if it can't be found.
 *
 * If `TNode` is `TNodeType.Element` => return `RElement` at `LView[tNode.index]` location.
 * If `TNode` is `TNodeType.ElementContainer|IcuContain` => return the parent (recursively).
 * If `TNode` is `null` then return host `RElement`:
 *   - return `null` if projection
 *   - return `null` if parent container is disconnected (we have no parent.)
 *
 * @param tView: Current `TView`.
 * @param tNode: `TNode` for which we wish to retrieve `RElement` (or `null` if host element is
 *     needed).
 * @param lView: Current `LView`.
 * @returns `null` if the `RElement` can't be determined at this time (no parent / projection)
 */
function getClosestRElement(tView, tNode, lView) {
    let parentTNode = tNode;
    // Skip over element and ICU containers as those are represented by a comment node and
    // can't be used as a render parent.
    while (parentTNode !== null &&
        (parentTNode.type & (8 /* ElementContainer */ | 32 /* Icu */))) {
        tNode = parentTNode;
        parentTNode = tNode.parent;
    }
    // If the parent tNode is null, then we are inserting across views: either into an embedded view
    // or a component view.
    if (parentTNode === null) {
        // We are inserting a root element of the component view into the component host element and
        // it should always be eager.
        return lView[HOST];
    }
    else {
        ngDevMode && assertTNodeType(parentTNode, 3 /* AnyRNode */ | 4 /* Container */);
        if (parentTNode.flags & 2 /* isComponentHost */) {
            ngDevMode && assertTNodeForLView(parentTNode, lView);
            const encapsulation = tView.data[parentTNode.directiveStart].encapsulation;
            // We've got a parent which is an element in the current view. We just need to verify if the
            // parent element is not a component. Component's content nodes are not inserted immediately
            // because they will be projected, and so doing insert at this point would be wasteful.
            // Since the projection would then move it to its final destination. Note that we can't
            // make this assumption when using the Shadow DOM, because the native projection placeholders
            // (<content> or <slot>) have to be in place as elements are being inserted.
            if (encapsulation === ViewEncapsulation.None ||
                encapsulation === ViewEncapsulation.Emulated) {
                return null;
            }
        }
        return getNativeByTNode(parentTNode, lView);
    }
}
/**
 * Inserts a native node before another native node for a given parent using {@link Renderer3}.
 * This is a utility function that can be used when native nodes were determined - it abstracts an
 * actual renderer being used.
 */
function nativeInsertBefore(renderer, parent, child, beforeNode, isMove) {
    ngDevMode && ngDevMode.rendererInsertBefore++;
    if (isProceduralRenderer(renderer)) {
        renderer.insertBefore(parent, child, beforeNode, isMove);
    }
    else {
        parent.insertBefore(child, beforeNode, isMove);
    }
}
function nativeAppendChild(renderer, parent, child) {
    ngDevMode && ngDevMode.rendererAppendChild++;
    ngDevMode && assertDefined(parent, 'parent node must be defined');
    if (isProceduralRenderer(renderer)) {
        renderer.appendChild(parent, child);
    }
    else {
        parent.appendChild(child);
    }
}
function nativeAppendOrInsertBefore(renderer, parent, child, beforeNode, isMove) {
    if (beforeNode !== null) {
        nativeInsertBefore(renderer, parent, child, beforeNode, isMove);
    }
    else {
        nativeAppendChild(renderer, parent, child);
    }
}
/** Removes a node from the DOM given its native parent. */
function nativeRemoveChild(renderer, parent, child, isHostElement) {
    if (isProceduralRenderer(renderer)) {
        renderer.removeChild(parent, child, isHostElement);
    }
    else {
        parent.removeChild(child);
    }
}
/**
 * Returns a native parent of a given native node.
 */
function nativeParentNode(renderer, node) {
    return (isProceduralRenderer(renderer) ? renderer.parentNode(node) : node.parentNode);
}
/**
 * Returns a native sibling of a given native node.
 */
function nativeNextSibling(renderer, node) {
    return isProceduralRenderer(renderer) ? renderer.nextSibling(node) : node.nextSibling;
}
/**
 * Find a node in front of which `currentTNode` should be inserted.
 *
 * This method determines the `RNode` in front of which we should insert the `currentRNode`. This
 * takes `TNode.insertBeforeIndex` into account if i18n code has been invoked.
 *
 * @param parentTNode parent `TNode`
 * @param currentTNode current `TNode` (The node which we would like to insert into the DOM)
 * @param lView current `LView`
 */
function getInsertInFrontOfRNode(parentTNode, currentTNode, lView) {
    return _getInsertInFrontOfRNodeWithI18n(parentTNode, currentTNode, lView);
}
/**
 * Find a node in front of which `currentTNode` should be inserted. (Does not take i18n into
 * account)
 *
 * This method determines the `RNode` in front of which we should insert the `currentRNode`. This
 * does not take `TNode.insertBeforeIndex` into account.
 *
 * @param parentTNode parent `TNode`
 * @param currentTNode current `TNode` (The node which we would like to insert into the DOM)
 * @param lView current `LView`
 */
function getInsertInFrontOfRNodeWithNoI18n(parentTNode, currentTNode, lView) {
    if (parentTNode.type & (8 /* ElementContainer */ | 32 /* Icu */)) {
        return getNativeByTNode(parentTNode, lView);
    }
    return null;
}
/**
 * Tree shakable boundary for `getInsertInFrontOfRNodeWithI18n` function.
 *
 * This function will only be set if i18n code runs.
 */
let _getInsertInFrontOfRNodeWithI18n = getInsertInFrontOfRNodeWithNoI18n;
/**
 * Tree shakable boundary for `processI18nInsertBefore` function.
 *
 * This function will only be set if i18n code runs.
 */
let _processI18nInsertBefore;
function setI18nHandling(getInsertInFrontOfRNodeWithI18n, processI18nInsertBefore) {
    _getInsertInFrontOfRNodeWithI18n = getInsertInFrontOfRNodeWithI18n;
    _processI18nInsertBefore = processI18nInsertBefore;
}
/**
 * Appends the `child` native node (or a collection of nodes) to the `parent`.
 *
 * @param tView The `TView' to be appended
 * @param lView The current LView
 * @param childRNode The native child (or children) that should be appended
 * @param childTNode The TNode of the child element
 */
function appendChild(tView, lView, childRNode, childTNode) {
    const parentRNode = getParentRElement(tView, childTNode, lView);
    const renderer = lView[RENDERER];
    const parentTNode = childTNode.parent || lView[T_HOST];
    const anchorNode = getInsertInFrontOfRNode(parentTNode, childTNode, lView);
    if (parentRNode != null) {
        if (Array.isArray(childRNode)) {
            for (let i = 0; i < childRNode.length; i++) {
                nativeAppendOrInsertBefore(renderer, parentRNode, childRNode[i], anchorNode, false);
            }
        }
        else {
            nativeAppendOrInsertBefore(renderer, parentRNode, childRNode, anchorNode, false);
        }
    }
    _processI18nInsertBefore !== undefined &&
        _processI18nInsertBefore(renderer, childTNode, lView, childRNode, parentRNode);
}
/**
 * Returns the first native node for a given LView, starting from the provided TNode.
 *
 * Native nodes are returned in the order in which those appear in the native tree (DOM).
 */
function getFirstNativeNode(lView, tNode) {
    if (tNode !== null) {
        ngDevMode &&
            assertTNodeType(tNode, 3 /* AnyRNode */ | 12 /* AnyContainer */ | 32 /* Icu */ | 16 /* Projection */);
        const tNodeType = tNode.type;
        if (tNodeType & 3 /* AnyRNode */) {
            return getNativeByTNode(tNode, lView);
        }
        else if (tNodeType & 4 /* Container */) {
            return getBeforeNodeForView(-1, lView[tNode.index]);
        }
        else if (tNodeType & 8 /* ElementContainer */) {
            const elIcuContainerChild = tNode.child;
            if (elIcuContainerChild !== null) {
                return getFirstNativeNode(lView, elIcuContainerChild);
            }
            else {
                const rNodeOrLContainer = lView[tNode.index];
                if (isLContainer(rNodeOrLContainer)) {
                    return getBeforeNodeForView(-1, rNodeOrLContainer);
                }
                else {
                    return unwrapRNode(rNodeOrLContainer);
                }
            }
        }
        else if (tNodeType & 32 /* Icu */) {
            let nextRNode = icuContainerIterate(tNode, lView);
            let rNode = nextRNode();
            // If the ICU container has no nodes, than we use the ICU anchor as the node.
            return rNode || unwrapRNode(lView[tNode.index]);
        }
        else {
            const projectionNodes = getProjectionNodes(lView, tNode);
            if (projectionNodes !== null) {
                if (Array.isArray(projectionNodes)) {
                    return projectionNodes[0];
                }
                const parentView = getLViewParent(lView[DECLARATION_COMPONENT_VIEW]);
                ngDevMode && assertParentView(parentView);
                return getFirstNativeNode(parentView, projectionNodes);
            }
            else {
                return getFirstNativeNode(lView, tNode.next);
            }
        }
    }
    return null;
}
function getProjectionNodes(lView, tNode) {
    if (tNode !== null) {
        const componentView = lView[DECLARATION_COMPONENT_VIEW];
        const componentHost = componentView[T_HOST];
        const slotIdx = tNode.projection;
        ngDevMode && assertProjectionSlots(lView);
        return componentHost.projection[slotIdx];
    }
    return null;
}
function getBeforeNodeForView(viewIndexInContainer, lContainer) {
    const nextViewIndex = CONTAINER_HEADER_OFFSET + viewIndexInContainer + 1;
    if (nextViewIndex < lContainer.length) {
        const lView = lContainer[nextViewIndex];
        const firstTNodeOfView = lView[TVIEW].firstChild;
        if (firstTNodeOfView !== null) {
            return getFirstNativeNode(lView, firstTNodeOfView);
        }
    }
    return lContainer[NATIVE];
}
/**
 * Removes a native node itself using a given renderer. To remove the node we are looking up its
 * parent from the native tree as not all platforms / browsers support the equivalent of
 * node.remove().
 *
 * @param renderer A renderer to be used
 * @param rNode The native node that should be removed
 * @param isHostElement A flag indicating if a node to be removed is a host of a component.
 */
function nativeRemoveNode(renderer, rNode, isHostElement) {
    ngDevMode && ngDevMode.rendererRemoveNode++;
    const nativeParent = nativeParentNode(renderer, rNode);
    if (nativeParent) {
        nativeRemoveChild(renderer, nativeParent, rNode, isHostElement);
    }
}
/**
 * Performs the operation of `action` on the node. Typically this involves inserting or removing
 * nodes on the LView or projection boundary.
 */
function applyNodes(renderer, action, tNode, lView, parentRElement, beforeNode, isProjection) {
    while (tNode != null) {
        ngDevMode && assertTNodeForLView(tNode, lView);
        ngDevMode &&
            assertTNodeType(tNode, 3 /* AnyRNode */ | 12 /* AnyContainer */ | 16 /* Projection */ | 32 /* Icu */);
        const rawSlotValue = lView[tNode.index];
        const tNodeType = tNode.type;
        if (isProjection) {
            if (action === 0 /* Create */) {
                rawSlotValue && attachPatchData(unwrapRNode(rawSlotValue), lView);
                tNode.flags |= 4 /* isProjected */;
            }
        }
        if ((tNode.flags & 64 /* isDetached */) !== 64 /* isDetached */) {
            if (tNodeType & 8 /* ElementContainer */) {
                applyNodes(renderer, action, tNode.child, lView, parentRElement, beforeNode, false);
                applyToElementOrContainer(action, renderer, parentRElement, rawSlotValue, beforeNode);
            }
            else if (tNodeType & 32 /* Icu */) {
                const nextRNode = icuContainerIterate(tNode, lView);
                let rNode;
                while (rNode = nextRNode()) {
                    applyToElementOrContainer(action, renderer, parentRElement, rNode, beforeNode);
                }
                applyToElementOrContainer(action, renderer, parentRElement, rawSlotValue, beforeNode);
            }
            else if (tNodeType & 16 /* Projection */) {
                applyProjectionRecursive(renderer, action, lView, tNode, parentRElement, beforeNode);
            }
            else {
                ngDevMode && assertTNodeType(tNode, 3 /* AnyRNode */ | 4 /* Container */);
                applyToElementOrContainer(action, renderer, parentRElement, rawSlotValue, beforeNode);
            }
        }
        tNode = isProjection ? tNode.projectionNext : tNode.next;
    }
}
function applyView(tView, lView, renderer, action, parentRElement, beforeNode) {
    applyNodes(renderer, action, tView.firstChild, lView, parentRElement, beforeNode, false);
}
/**
 * `applyProjection` performs operation on the projection.
 *
 * Inserting a projection requires us to locate the projected nodes from the parent component. The
 * complication is that those nodes themselves could be re-projected from their parent component.
 *
 * @param tView The `TView` of `LView` which needs to be inserted, detached, destroyed
 * @param lView The `LView` which needs to be inserted, detached, destroyed.
 * @param tProjectionNode node to project
 */
function applyProjection(tView, lView, tProjectionNode) {
    const renderer = lView[RENDERER];
    const parentRNode = getParentRElement(tView, tProjectionNode, lView);
    const parentTNode = tProjectionNode.parent || lView[T_HOST];
    let beforeNode = getInsertInFrontOfRNode(parentTNode, tProjectionNode, lView);
    applyProjectionRecursive(renderer, 0 /* Create */, lView, tProjectionNode, parentRNode, beforeNode);
}
/**
 * `applyProjectionRecursive` performs operation on the projection specified by `action` (insert,
 * detach, destroy)
 *
 * Inserting a projection requires us to locate the projected nodes from the parent component. The
 * complication is that those nodes themselves could be re-projected from their parent component.
 *
 * @param renderer Render to use
 * @param action action to perform (insert, detach, destroy)
 * @param lView The LView which needs to be inserted, detached, destroyed.
 * @param tProjectionNode node to project
 * @param parentRElement parent DOM element for insertion/removal.
 * @param beforeNode Before which node the insertions should happen.
 */
function applyProjectionRecursive(renderer, action, lView, tProjectionNode, parentRElement, beforeNode) {
    const componentLView = lView[DECLARATION_COMPONENT_VIEW];
    const componentNode = componentLView[T_HOST];
    ngDevMode &&
        assertEqual(typeof tProjectionNode.projection, 'number', 'expecting projection index');
    const nodeToProjectOrRNodes = componentNode.projection[tProjectionNode.projection];
    if (Array.isArray(nodeToProjectOrRNodes)) {
        // This should not exist, it is a bit of a hack. When we bootstrap a top level node and we
        // need to support passing projectable nodes, so we cheat and put them in the TNode
        // of the Host TView. (Yes we put instance info at the T Level). We can get away with it
        // because we know that that TView is not shared and therefore it will not be a problem.
        // This should be refactored and cleaned up.
        for (let i = 0; i < nodeToProjectOrRNodes.length; i++) {
            const rNode = nodeToProjectOrRNodes[i];
            applyToElementOrContainer(action, renderer, parentRElement, rNode, beforeNode);
        }
    }
    else {
        let nodeToProject = nodeToProjectOrRNodes;
        const projectedComponentLView = componentLView[PARENT];
        applyNodes(renderer, action, nodeToProject, projectedComponentLView, parentRElement, beforeNode, true);
    }
}
/**
 * `applyContainer` performs an operation on the container and its views as specified by
 * `action` (insert, detach, destroy)
 *
 * Inserting a Container is complicated by the fact that the container may have Views which
 * themselves have containers or projections.
 *
 * @param renderer Renderer to use
 * @param action action to perform (insert, detach, destroy)
 * @param lContainer The LContainer which needs to be inserted, detached, destroyed.
 * @param parentRElement parent DOM element for insertion/removal.
 * @param beforeNode Before which node the insertions should happen.
 */
function applyContainer(renderer, action, lContainer, parentRElement, beforeNode) {
    ngDevMode && assertLContainer(lContainer);
    const anchor = lContainer[NATIVE]; // LContainer has its own before node.
    const native = unwrapRNode(lContainer);
    // An LContainer can be created dynamically on any node by injecting ViewContainerRef.
    // Asking for a ViewContainerRef on an element will result in a creation of a separate anchor
    // node (comment in the DOM) that will be different from the LContainer's host node. In this
    // particular case we need to execute action on 2 nodes:
    // - container's host node (this is done in the executeActionOnElementOrContainer)
    // - container's host node (this is done here)
    if (anchor !== native) {
        // This is very strange to me (Misko). I would expect that the native is same as anchor. I
        // don't see a reason why they should be different, but they are.
        //
        // If they are we need to process the second anchor as well.
        applyToElementOrContainer(action, renderer, parentRElement, anchor, beforeNode);
    }
    for (let i = CONTAINER_HEADER_OFFSET; i < lContainer.length; i++) {
        const lView = lContainer[i];
        applyView(lView[TVIEW], lView, renderer, action, parentRElement, anchor);
    }
}
/**
 * Writes class/style to element.
 *
 * @param renderer Renderer to use.
 * @param isClassBased `true` if it should be written to `class` (`false` to write to `style`)
 * @param rNode The Node to write to.
 * @param prop Property to write to. This would be the class/style name.
 * @param value Value to write. If `null`/`undefined`/`false` this is considered a remove (set/add
 *        otherwise).
 */
function applyStyling(renderer, isClassBased, rNode, prop, value) {
    const isProcedural = isProceduralRenderer(renderer);
    if (isClassBased) {
        // We actually want JS true/false here because any truthy value should add the class
        if (!value) {
            ngDevMode && ngDevMode.rendererRemoveClass++;
            if (isProcedural) {
                renderer.removeClass(rNode, prop);
            }
            else {
                rNode.classList.remove(prop);
            }
        }
        else {
            ngDevMode && ngDevMode.rendererAddClass++;
            if (isProcedural) {
                renderer.addClass(rNode, prop);
            }
            else {
                ngDevMode && assertDefined(rNode.classList, 'HTMLElement expected');
                rNode.classList.add(prop);
            }
        }
    }
    else {
        let flags = prop.indexOf('-') === -1 ? undefined : RendererStyleFlags2.DashCase;
        if (value == null /** || value === undefined */) {
            ngDevMode && ngDevMode.rendererRemoveStyle++;
            if (isProcedural) {
                renderer.removeStyle(rNode, prop, flags);
            }
            else {
                rNode.style.removeProperty(prop);
            }
        }
        else {
            // A value is important if it ends with `!important`. The style
            // parser strips any semicolons at the end of the value.
            const isImportant = typeof value === 'string' ? value.endsWith('!important') : false;
            if (isImportant) {
                // !important has to be stripped from the value for it to be valid.
                value = value.slice(0, -10);
                flags |= RendererStyleFlags2.Important;
            }
            ngDevMode && ngDevMode.rendererSetStyle++;
            if (isProcedural) {
                renderer.setStyle(rNode, prop, value, flags);
            }
            else {
                ngDevMode && assertDefined(rNode.style, 'HTMLElement expected');
                rNode.style.setProperty(prop, value, isImportant ? 'important' : '');
            }
        }
    }
}
/**
 * Write `cssText` to `RElement`.
 *
 * This function does direct write without any reconciliation. Used for writing initial values, so
 * that static styling values do not pull in the style parser.
 *
 * @param renderer Renderer to use
 * @param element The element which needs to be updated.
 * @param newValue The new class list to write.
 */
function writeDirectStyle(renderer, element, newValue) {
    ngDevMode && assertString(newValue, '\'newValue\' should be a string');
    if (isProceduralRenderer(renderer)) {
        renderer.setAttribute(element, 'style', newValue);
    }
    else {
        element.style.cssText = newValue;
    }
    ngDevMode && ngDevMode.rendererSetStyle++;
}
/**
 * Write `className` to `RElement`.
 *
 * This function does direct write without any reconciliation. Used for writing initial values, so
 * that static styling values do not pull in the style parser.
 *
 * @param renderer Renderer to use
 * @param element The element which needs to be updated.
 * @param newValue The new class list to write.
 */
function writeDirectClass(renderer, element, newValue) {
    ngDevMode && assertString(newValue, '\'newValue\' should be a string');
    if (isProceduralRenderer(renderer)) {
        if (newValue === '') {
            // There are tests in `google3` which expect `element.getAttribute('class')` to be `null`.
            renderer.removeAttribute(element, 'class');
        }
        else {
            renderer.setAttribute(element, 'class', newValue);
        }
    }
    else {
        element.className = newValue;
    }
    ngDevMode && ngDevMode.rendererSetClassName++;
}

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
/**
 * Returns an index of `classToSearch` in `className` taking token boundaries into account.
 *
 * `classIndexOf('AB A', 'A', 0)` will be 3 (not 0 since `AB!==A`)
 *
 * @param className A string containing classes (whitespace separated)
 * @param classToSearch A class name to locate
 * @param startingIndex Starting location of search
 * @returns an index of the located class (or -1 if not found)
 */
function classIndexOf(className, classToSearch, startingIndex) {
    ngDevMode && assertNotEqual(classToSearch, '', 'can not look for "" string.');
    let end = className.length;
    while (true) {
        const foundIndex = className.indexOf(classToSearch, startingIndex);
        if (foundIndex === -1)
            return foundIndex;
        if (foundIndex === 0 || className.charCodeAt(foundIndex - 1) <= 32 /* SPACE */) {
            // Ensure that it has leading whitespace
            const length = classToSearch.length;
            if (foundIndex + length === end ||
                className.charCodeAt(foundIndex + length) <= 32 /* SPACE */) {
                // Ensure that it has trailing whitespace
                return foundIndex;
            }
        }
        // False positive, keep searching from where we left off.
        startingIndex = foundIndex + 1;
    }
}

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
const unusedValueToPlacateAjd$1 = unusedValueExportToPlacateAjd$4 + unusedValueExportToPlacateAjd$5;
const NG_TEMPLATE_SELECTOR = 'ng-template';
/**
 * Search the `TAttributes` to see if it contains `cssClassToMatch` (case insensitive)
 *
 * @param attrs `TAttributes` to search through.
 * @param cssClassToMatch class to match (lowercase)
 * @param isProjectionMode Whether or not class matching should look into the attribute `class` in
 *    addition to the `AttributeMarker.Classes`.
 */
function isCssClassMatching(attrs, cssClassToMatch, isProjectionMode) {
    // TODO(misko): The fact that this function needs to know about `isProjectionMode` seems suspect.
    // It is strange to me that sometimes the class information comes in form of `class` attribute
    // and sometimes in form of `AttributeMarker.Classes`. Some investigation is needed to determine
    // if that is the right behavior.
    ngDevMode &&
        assertEqual(cssClassToMatch, cssClassToMatch.toLowerCase(), 'Class name expected to be lowercase.');
    let i = 0;
    while (i < attrs.length) {
        let item = attrs[i++];
        if (isProjectionMode && item === 'class') {
            item = attrs[i];
            if (classIndexOf(item.toLowerCase(), cssClassToMatch, 0) !== -1) {
                return true;
            }
        }
        else if (item === 1 /* Classes */) {
            // We found the classes section. Start searching for the class.
            while (i < attrs.length && typeof (item = attrs[i++]) == 'string') {
                // while we have strings
                if (item.toLowerCase() === cssClassToMatch)
                    return true;
            }
            return false;
        }
    }
    return false;
}
/**
 * Checks whether the `tNode` represents an inline template (e.g. `*ngFor`).
 *
 * @param tNode current TNode
 */
function isInlineTemplate(tNode) {
    return tNode.type === 4 /* Container */ && tNode.value !== NG_TEMPLATE_SELECTOR;
}
/**
 * Function that checks whether a given tNode matches tag-based selector and has a valid type.
 *
 * Matching can be performed in 2 modes: projection mode (when we project nodes) and regular
 * directive matching mode:
 * - in the "directive matching" mode we do _not_ take TContainer's tagName into account if it is
 * different from NG_TEMPLATE_SELECTOR (value different from NG_TEMPLATE_SELECTOR indicates that a
 * tag name was extracted from * syntax so we would match the same directive twice);
 * - in the "projection" mode, we use a tag name potentially extracted from the * syntax processing
 * (applicable to TNodeType.Container only).
 */
function hasTagAndTypeMatch(tNode, currentSelector, isProjectionMode) {
    const tagNameToCompare = tNode.type === 4 /* Container */ && !isProjectionMode ? NG_TEMPLATE_SELECTOR : tNode.value;
    return currentSelector === tagNameToCompare;
}
/**
 * A utility function to match an Ivy node static data against a simple CSS selector
 *
 * @param node static data of the node to match
 * @param selector The selector to try matching against the node.
 * @param isProjectionMode if `true` we are matching for content projection, otherwise we are doing
 * directive matching.
 * @returns true if node matches the selector.
 */
function isNodeMatchingSelector(tNode, selector, isProjectionMode) {
    ngDevMode && assertDefined(selector[0], 'Selector should have a tag name');
    let mode = 4 /* ELEMENT */;
    const nodeAttrs = tNode.attrs || [];
    // Find the index of first attribute that has no value, only a name.
    const nameOnlyMarkerIdx = getNameOnlyMarkerIndex(nodeAttrs);
    // When processing ":not" selectors, we skip to the next ":not" if the
    // current one doesn't match
    let skipToNextSelector = false;
    for (let i = 0; i < selector.length; i++) {
        const current = selector[i];
        if (typeof current === 'number') {
            // If we finish processing a :not selector and it hasn't failed, return false
            if (!skipToNextSelector && !isPositive(mode) && !isPositive(current)) {
                return false;
            }
            // If we are skipping to the next :not() and this mode flag is positive,
            // it's a part of the current :not() selector, and we should keep skipping
            if (skipToNextSelector && isPositive(current))
                continue;
            skipToNextSelector = false;
            mode = current | (mode & 1 /* NOT */);
            continue;
        }
        if (skipToNextSelector)
            continue;
        if (mode & 4 /* ELEMENT */) {
            mode = 2 /* ATTRIBUTE */ | mode & 1 /* NOT */;
            if (current !== '' && !hasTagAndTypeMatch(tNode, current, isProjectionMode) ||
                current === '' && selector.length === 1) {
                if (isPositive(mode))
                    return false;
                skipToNextSelector = true;
            }
        }
        else {
            const selectorAttrValue = mode & 8 /* CLASS */ ? current : selector[++i];
            // special case for matching against classes when a tNode has been instantiated with
            // class and style values as separate attribute values (e.g. ['title', CLASS, 'foo'])
            if ((mode & 8 /* CLASS */) && tNode.attrs !== null) {
                if (!isCssClassMatching(tNode.attrs, selectorAttrValue, isProjectionMode)) {
                    if (isPositive(mode))
                        return false;
                    skipToNextSelector = true;
                }
                continue;
            }
            const attrName = (mode & 8 /* CLASS */) ? 'class' : current;
            const attrIndexInNode = findAttrIndexInNode(attrName, nodeAttrs, isInlineTemplate(tNode), isProjectionMode);
            if (attrIndexInNode === -1) {
                if (isPositive(mode))
                    return false;
                skipToNextSelector = true;
                continue;
            }
            if (selectorAttrValue !== '') {
                let nodeAttrValue;
                if (attrIndexInNode > nameOnlyMarkerIdx) {
                    nodeAttrValue = '';
                }
                else {
                    ngDevMode &&
                        assertNotEqual(nodeAttrs[attrIndexInNode], 0 /* NamespaceURI */, 'We do not match directives on namespaced attributes');
                    // we lowercase the attribute value to be able to match
                    // selectors without case-sensitivity
                    // (selectors are already in lowercase when generated)
                    nodeAttrValue = nodeAttrs[attrIndexInNode + 1].toLowerCase();
                }
                const compareAgainstClassName = mode & 8 /* CLASS */ ? nodeAttrValue : null;
                if (compareAgainstClassName &&
                    classIndexOf(compareAgainstClassName, selectorAttrValue, 0) !== -1 ||
                    mode & 2 /* ATTRIBUTE */ && selectorAttrValue !== nodeAttrValue) {
                    if (isPositive(mode))
                        return false;
                    skipToNextSelector = true;
                }
            }
        }
    }
    return isPositive(mode) || skipToNextSelector;
}
function isPositive(mode) {
    return (mode & 1 /* NOT */) === 0;
}
/**
 * Examines the attribute's definition array for a node to find the index of the
 * attribute that matches the given `name`.
 *
 * NOTE: This will not match namespaced attributes.
 *
 * Attribute matching depends upon `isInlineTemplate` and `isProjectionMode`.
 * The following table summarizes which types of attributes we attempt to match:
 *
 * ===========================================================================================================
 * Modes                   | Normal Attributes | Bindings Attributes | Template Attributes | I18n
 * Attributes
 * ===========================================================================================================
 * Inline + Projection     | YES               | YES                 | NO                  | YES
 * -----------------------------------------------------------------------------------------------------------
 * Inline + Directive      | NO                | NO                  | YES                 | NO
 * -----------------------------------------------------------------------------------------------------------
 * Non-inline + Projection | YES               | YES                 | NO                  | YES
 * -----------------------------------------------------------------------------------------------------------
 * Non-inline + Directive  | YES               | YES                 | NO                  | YES
 * ===========================================================================================================
 *
 * @param name the name of the attribute to find
 * @param attrs the attribute array to examine
 * @param isInlineTemplate true if the node being matched is an inline template (e.g. `*ngFor`)
 * rather than a manually expanded template node (e.g `<ng-template>`).
 * @param isProjectionMode true if we are matching against content projection otherwise we are
 * matching against directives.
 */
function findAttrIndexInNode(name, attrs, isInlineTemplate, isProjectionMode) {
    if (attrs === null)
        return -1;
    let i = 0;
    if (isProjectionMode || !isInlineTemplate) {
        let bindingsMode = false;
        while (i < attrs.length) {
            const maybeAttrName = attrs[i];
            if (maybeAttrName === name) {
                return i;
            }
            else if (maybeAttrName === 3 /* Bindings */ || maybeAttrName === 6 /* I18n */) {
                bindingsMode = true;
            }
            else if (maybeAttrName === 1 /* Classes */ || maybeAttrName === 2 /* Styles */) {
                let value = attrs[++i];
                // We should skip classes here because we have a separate mechanism for
                // matching classes in projection mode.
                while (typeof value === 'string') {
                    value = attrs[++i];
                }
                continue;
            }
            else if (maybeAttrName === 4 /* Template */) {
                // We do not care about Template attributes in this scenario.
                break;
            }
            else if (maybeAttrName === 0 /* NamespaceURI */) {
                // Skip the whole namespaced attribute and value. This is by design.
                i += 4;
                continue;
            }
            // In binding mode there are only names, rather than name-value pairs.
            i += bindingsMode ? 1 : 2;
        }
        // We did not match the attribute
        return -1;
    }
    else {
        return matchTemplateAttribute(attrs, name);
    }
}
function isNodeMatchingSelectorList(tNode, selector, isProjectionMode = false) {
    for (let i = 0; i < selector.length; i++) {
        if (isNodeMatchingSelector(tNode, selector[i], isProjectionMode)) {
            return true;
        }
    }
    return false;
}
function getProjectAsAttrValue(tNode) {
    const nodeAttrs = tNode.attrs;
    if (nodeAttrs != null) {
        const ngProjectAsAttrIdx = nodeAttrs.indexOf(5 /* ProjectAs */);
        // only check for ngProjectAs in attribute names, don't accidentally match attribute's value
        // (attribute names are stored at even indexes)
        if ((ngProjectAsAttrIdx & 1) === 0) {
            return nodeAttrs[ngProjectAsAttrIdx + 1];
        }
    }
    return null;
}
function getNameOnlyMarkerIndex(nodeAttrs) {
    for (let i = 0; i < nodeAttrs.length; i++) {
        const nodeAttr = nodeAttrs[i];
        if (isNameOnlyAttributeMarker(nodeAttr)) {
            return i;
        }
    }
    return nodeAttrs.length;
}
function matchTemplateAttribute(attrs, name) {
    let i = attrs.indexOf(4 /* Template */);
    if (i > -1) {
        i++;
        while (i < attrs.length) {
            const attr = attrs[i];
            // Return in case we checked all template attrs and are switching to the next section in the
            // attrs array (that starts with a number that represents an attribute marker).
            if (typeof attr === 'number')
                return -1;
            if (attr === name)
                return i;
            i++;
        }
    }
    return -1;
}
/**
 * Checks whether a selector is inside a CssSelectorList
 * @param selector Selector to be checked.
 * @param list List in which to look for the selector.
 */
function isSelectorInSelectorList(selector, list) {
    selectorListLoop: for (let i = 0; i < list.length; i++) {
        const currentSelectorInList = list[i];
        if (selector.length !== currentSelectorInList.length) {
            continue;
        }
        for (let j = 0; j < selector.length; j++) {
            if (selector[j] !== currentSelectorInList[j]) {
                continue selectorListLoop;
            }
        }
        return true;
    }
    return false;
}
function maybeWrapInNotSelector(isNegativeMode, chunk) {
    return isNegativeMode ? ':not(' + chunk.trim() + ')' : chunk;
}
function stringifyCSSSelector(selector) {
    let result = selector[0];
    let i = 1;
    let mode = 2 /* ATTRIBUTE */;
    let currentChunk = '';
    let isNegativeMode = false;
    while (i < selector.length) {
        let valueOrMarker = selector[i];
        if (typeof valueOrMarker === 'string') {
            if (mode & 2 /* ATTRIBUTE */) {
                const attrValue = selector[++i];
                currentChunk +=
                    '[' + valueOrMarker + (attrValue.length > 0 ? '="' + attrValue + '"' : '') + ']';
            }
            else if (mode & 8 /* CLASS */) {
                currentChunk += '.' + valueOrMarker;
            }
            else if (mode & 4 /* ELEMENT */) {
                currentChunk += ' ' + valueOrMarker;
            }
        }
        else {
            //
            // Append current chunk to the final result in case we come across SelectorFlag, which
            // indicates that the previous section of a selector is over. We need to accumulate content
            // between flags to make sure we wrap the chunk later in :not() selector if needed, e.g.
            // ```
            //  ['', Flags.CLASS, '.classA', Flags.CLASS | Flags.NOT, '.classB', '.classC']
            // ```
            // should be transformed to `.classA :not(.classB .classC)`.
            //
            // Note: for negative selector part, we accumulate content between flags until we find the
            // next negative flag. This is needed to support a case where `:not()` rule contains more than
            // one chunk, e.g. the following selector:
            // ```
            //  ['', Flags.ELEMENT | Flags.NOT, 'p', Flags.CLASS, 'foo', Flags.CLASS | Flags.NOT, 'bar']
            // ```
            // should be stringified to `:not(p.foo) :not(.bar)`
            //
            if (currentChunk !== '' && !isPositive(valueOrMarker)) {
                result += maybeWrapInNotSelector(isNegativeMode, currentChunk);
                currentChunk = '';
            }
            mode = valueOrMarker;
            // According to CssSelector spec, once we come across `SelectorFlags.NOT` flag, the negative
            // mode is maintained for remaining chunks of a selector.
            isNegativeMode = isNegativeMode || !isPositive(mode);
        }
        i++;
    }
    if (currentChunk !== '') {
        result += maybeWrapInNotSelector(isNegativeMode, currentChunk);
    }
    return result;
}
/**
 * Generates string representation of CSS selector in parsed form.
 *
 * ComponentDef and DirectiveDef are generated with the selector in parsed form to avoid doing
 * additional parsing at runtime (for example, for directive matching). However in some cases (for
 * example, while bootstrapping a component), a string version of the selector is required to query
 * for the host element on the page. This function takes the parsed form of a selector and returns
 * its string representation.
 *
 * @param selectorList selector in parsed form
 * @returns string representation of a given selector
 */
function stringifyCSSSelectorList(selectorList) {
    return selectorList.map(stringifyCSSSelector).join(',');
}
/**
 * Extracts attributes and classes information from a given CSS selector.
 *
 * This function is used while creating a component dynamically. In this case, the host element
 * (that is created dynamically) should contain attributes and classes specified in component's CSS
 * selector.
 *
 * @param selector CSS selector in parsed form (in a form of array)
 * @returns object with `attrs` and `classes` fields that contain extracted information
 */
function extractAttrsAndClassesFromSelector(selector) {
    const attrs = [];
    const classes = [];
    let i = 1;
    let mode = 2 /* ATTRIBUTE */;
    while (i < selector.length) {
        let valueOrMarker = selector[i];
        if (typeof valueOrMarker === 'string') {
            if (mode === 2 /* ATTRIBUTE */) {
                if (valueOrMarker !== '') {
                    attrs.push(valueOrMarker, selector[++i]);
                }
            }
            else if (mode === 8 /* CLASS */) {
                classes.push(valueOrMarker);
            }
        }
        else {
            // According to CssSelector spec, once we come across `SelectorFlags.NOT` flag, the negative
            // mode is maintained for remaining chunks of a selector. Since attributes and classes are
            // extracted only for "positive" part of the selector, we can stop here.
            if (!isPositive(mode))
                break;
            mode = valueOrMarker;
        }
        i++;
    }
    return { attrs, classes };
}

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
/** A special value which designates that a value has not changed. */
const NO_CHANGE = (typeof ngDevMode === 'undefined' || ngDevMode) ? { __brand__: 'NO_CHANGE' } : {};

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
/**
 * Advances to an element for later binding instructions.
 *
 * Used in conjunction with instructions like {@link property} to act on elements with specified
 * indices, for example those created with {@link element} or {@link elementStart}.
 *
 * ```ts
 * (rf: RenderFlags, ctx: any) => {
 *   if (rf & 1) {
 *     text(0, 'Hello');
 *     text(1, 'Goodbye')
 *     element(2, 'div');
 *   }
 *   if (rf & 2) {
 *     advance(2); // Advance twice to the <div>.
 *     property('title', 'test');
 *   }
 *  }
 * ```
 * @param delta Number of elements to advance forwards by.
 *
 * @codeGenApi
 */
function ɵɵadvance(delta) {
    ngDevMode && assertGreaterThan(delta, 0, 'Can only advance forward');
    selectIndexInternal(getTView(), getLView(), getSelectedIndex() + delta, isInCheckNoChangesMode());
}
function selectIndexInternal(tView, lView, index, checkNoChangesMode) {
    ngDevMode && assertIndexInDeclRange(lView, index);
    // Flush the initial hooks for elements in the view that have been added up to this point.
    // PERF WARNING: do NOT extract this to a separate function without running benchmarks
    if (!checkNoChangesMode) {
        const hooksInitPhaseCompleted = (lView[FLAGS] & 3 /* InitPhaseStateMask */) === 3 /* InitPhaseCompleted */;
        if (hooksInitPhaseCompleted) {
            const preOrderCheckHooks = tView.preOrderCheckHooks;
            if (preOrderCheckHooks !== null) {
                executeCheckHooks(lView, preOrderCheckHooks, index);
            }
        }
        else {
            const preOrderHooks = tView.preOrderHooks;
            if (preOrderHooks !== null) {
                executeInitAndCheckHooks(lView, preOrderHooks, 0 /* OnInitHooksToBeRun */, index);
            }
        }
    }
    // We must set the selected index *after* running the hooks, because hooks may have side-effects
    // that cause other template functions to run, thus updating the selected index, which is global
    // state. If we run `setSelectedIndex` *before* we run the hooks, in some cases the selected index
    // will be altered by the time we leave the `ɵɵadvance` instruction.
    setSelectedIndex(index);
}

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
function toTStylingRange(prev, next) {
    ngDevMode && assertNumberInRange(prev, 0, 32767 /* UNSIGNED_MASK */);
    ngDevMode && assertNumberInRange(next, 0, 32767 /* UNSIGNED_MASK */);
    return (prev << 17 /* PREV_SHIFT */ | next << 2 /* NEXT_SHIFT */);
}
function getTStylingRangePrev(tStylingRange) {
    ngDevMode && assertNumber(tStylingRange, 'expected number');
    return (tStylingRange >> 17 /* PREV_SHIFT */) & 32767 /* UNSIGNED_MASK */;
}
function getTStylingRangePrevDuplicate(tStylingRange) {
    ngDevMode && assertNumber(tStylingRange, 'expected number');
    return (tStylingRange & 2 /* PREV_DUPLICATE */) ==
        2 /* PREV_DUPLICATE */;
}
function setTStylingRangePrev(tStylingRange, previous) {
    ngDevMode && assertNumber(tStylingRange, 'expected number');
    ngDevMode && assertNumberInRange(previous, 0, 32767 /* UNSIGNED_MASK */);
    return ((tStylingRange & ~4294836224 /* PREV_MASK */) |
        (previous << 17 /* PREV_SHIFT */));
}
function setTStylingRangePrevDuplicate(tStylingRange) {
    ngDevMode && assertNumber(tStylingRange, 'expected number');
    return (tStylingRange | 2 /* PREV_DUPLICATE */);
}
function getTStylingRangeNext(tStylingRange) {
    ngDevMode && assertNumber(tStylingRange, 'expected number');
    return (tStylingRange & 131068 /* NEXT_MASK */) >> 2 /* NEXT_SHIFT */;
}
function setTStylingRangeNext(tStylingRange, next) {
    ngDevMode && assertNumber(tStylingRange, 'expected number');
    ngDevMode && assertNumberInRange(next, 0, 32767 /* UNSIGNED_MASK */);
    return ((tStylingRange & ~131068 /* NEXT_MASK */) | //
        next << 2 /* NEXT_SHIFT */);
}
function getTStylingRangeNextDuplicate(tStylingRange) {
    ngDevMode && assertNumber(tStylingRange, 'expected number');
    return (tStylingRange & 1 /* NEXT_DUPLICATE */) ===
        1 /* NEXT_DUPLICATE */;
}
function setTStylingRangeNextDuplicate(tStylingRange) {
    ngDevMode && assertNumber(tStylingRange, 'expected number');
    return (tStylingRange | 1 /* NEXT_DUPLICATE */);
}
function getTStylingRangeTail(tStylingRange) {
    ngDevMode && assertNumber(tStylingRange, 'expected number');
    const next = getTStylingRangeNext(tStylingRange);
    return next === 0 ? getTStylingRangePrev(tStylingRange) : next;
}

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
/**
 * Patch a `debug` property on top of the existing object.
 *
 * NOTE: always call this method with `ngDevMode && attachDebugObject(...)`
 *
 * @param obj Object to patch
 * @param debug Value to patch
 */
function attachDebugObject(obj, debug) {
    if (ngDevMode) {
        Object.defineProperty(obj, 'debug', { value: debug, enumerable: false });
    }
    else {
        throw new Error('This method should be guarded with `ngDevMode` so that it can be tree shaken in production!');
    }
}
/**
 * Patch a `debug` property getter on top of the existing object.
 *
 * NOTE: always call this method with `ngDevMode && attachDebugObject(...)`
 *
 * @param obj Object to patch
 * @param debugGetter Getter returning a value to patch
 */
function attachDebugGetter(obj, debugGetter) {
    if (ngDevMode) {
        Object.defineProperty(obj, 'debug', { get: debugGetter, enumerable: false });
    }
    else {
        throw new Error('This method should be guarded with `ngDevMode` so that it can be tree shaken in production!');
    }
}

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
const NG_DEV_MODE = ((typeof ngDevMode === 'undefined' || !!ngDevMode) && initNgDevMode());
/*
 * This file contains conditionally attached classes which provide human readable (debug) level
 * information for `LView`, `LContainer` and other internal data structures. These data structures
 * are stored internally as array which makes it very difficult during debugging to reason about the
 * current state of the system.
 *
 * Patching the array with extra property does change the array's hidden class' but it does not
 * change the cost of access, therefore this patching should not have significant if any impact in
 * `ngDevMode` mode. (see: https://jsperf.com/array-vs-monkey-patch-array)
 *
 * So instead of seeing:
 * ```
 * Array(30) [Object, 659, null, …]
 * ```
 *
 * You get to see:
 * ```
 * LViewDebug {
 *   views: [...],
 *   flags: {attached: true, ...}
 *   nodes: [
 *     {html: '<div id="123">', ..., nodes: [
 *       {html: '<span>', ..., nodes: null}
 *     ]}
 *   ]
 * }
 * ```
 */
let LVIEW_COMPONENT_CACHE;
let LVIEW_EMBEDDED_CACHE;
let LVIEW_ROOT;
/**
 * This function clones a blueprint and creates LView.
 *
 * Simple slice will keep the same type, and we need it to be LView
 */
function cloneToLViewFromTViewBlueprint(tView) {
    const debugTView = tView;
    const lView = getLViewToClone(debugTView.type, tView.template && tView.template.name);
    return lView.concat(tView.blueprint);
}
function getLViewToClone(type, name) {
    switch (type) {
        case 0 /* Root */:
            if (LVIEW_ROOT === undefined)
                LVIEW_ROOT = new (createNamedArrayType('LRootView'))();
            return LVIEW_ROOT;
        case 1 /* Component */:
            if (LVIEW_COMPONENT_CACHE === undefined)
                LVIEW_COMPONENT_CACHE = new Map();
            let componentArray = LVIEW_COMPONENT_CACHE.get(name);
            if (componentArray === undefined) {
                componentArray = new (createNamedArrayType('LComponentView' + nameSuffix(name)))();
                LVIEW_COMPONENT_CACHE.set(name, componentArray);
            }
            return componentArray;
        case 2 /* Embedded */:
            if (LVIEW_EMBEDDED_CACHE === undefined)
                LVIEW_EMBEDDED_CACHE = new Map();
            let embeddedArray = LVIEW_EMBEDDED_CACHE.get(name);
            if (embeddedArray === undefined) {
                embeddedArray = new (createNamedArrayType('LEmbeddedView' + nameSuffix(name)))();
                LVIEW_EMBEDDED_CACHE.set(name, embeddedArray);
            }
            return embeddedArray;
    }
}
function nameSuffix(text) {
    if (text == null)
        return '';
    const index = text.lastIndexOf('_Template');
    return '_' + (index === -1 ? text : text.substr(0, index));
}
/**
 * This class is a debug version of Object literal so that we can have constructor name show up
 * in
 * debug tools in ngDevMode.
 */
const TViewConstructor = class TView {
    constructor(type, blueprint, template, queries, viewQuery, declTNode, data, bindingStartIndex, expandoStartIndex, hostBindingOpCodes, firstCreatePass, firstUpdatePass, staticViewQueries, staticContentQueries, preOrderHooks, preOrderCheckHooks, contentHooks, contentCheckHooks, viewHooks, viewCheckHooks, destroyHooks, cleanup, contentQueries, components, directiveRegistry, pipeRegistry, firstChild, schemas, consts, incompleteFirstPass, _decls, _vars) {
        this.type = type;
        this.blueprint = blueprint;
        this.template = template;
        this.queries = queries;
        this.viewQuery = viewQuery;
        this.declTNode = declTNode;
        this.data = data;
        this.bindingStartIndex = bindingStartIndex;
        this.expandoStartIndex = expandoStartIndex;
        this.hostBindingOpCodes = hostBindingOpCodes;
        this.firstCreatePass = firstCreatePass;
        this.firstUpdatePass = firstUpdatePass;
        this.staticViewQueries = staticViewQueries;
        this.staticContentQueries = staticContentQueries;
        this.preOrderHooks = preOrderHooks;
        this.preOrderCheckHooks = preOrderCheckHooks;
        this.contentHooks = contentHooks;
        this.contentCheckHooks = contentCheckHooks;
        this.viewHooks = viewHooks;
        this.viewCheckHooks = viewCheckHooks;
        this.destroyHooks = destroyHooks;
        this.cleanup = cleanup;
        this.contentQueries = contentQueries;
        this.components = components;
        this.directiveRegistry = directiveRegistry;
        this.pipeRegistry = pipeRegistry;
        this.firstChild = firstChild;
        this.schemas = schemas;
        this.consts = consts;
        this.incompleteFirstPass = incompleteFirstPass;
        this._decls = _decls;
        this._vars = _vars;
    }
    get template_() {
        const buf = [];
        processTNodeChildren(this.firstChild, buf);
        return buf.join('');
    }
    get type_() {
        return TViewTypeAsString[this.type] || `TViewType.?${this.type}?`;
    }
};
class TNode {
    constructor(tView_, //
    type, //
    index, //
    insertBeforeIndex, //
    injectorIndex, //
    directiveStart, //
    directiveEnd, //
    directiveStylingLast, //
    propertyBindings, //
    flags, //
    providerIndexes, //
    value, //
    attrs, //
    mergedAttrs, //
    localNames, //
    initialInputs, //
    inputs, //
    outputs, //
    tViews, //
    next, //
    projectionNext, //
    child, //
    parent, //
    projection, //
    styles, //
    stylesWithoutHost, //
    residualStyles, //
    classes, //
    classesWithoutHost, //
    residualClasses, //
    classBindings, //
    styleBindings) {
        this.tView_ = tView_;
        this.type = type;
        this.index = index;
        this.insertBeforeIndex = insertBeforeIndex;
        this.injectorIndex = injectorIndex;
        this.directiveStart = directiveStart;
        this.directiveEnd = directiveEnd;
        this.directiveStylingLast = directiveStylingLast;
        this.propertyBindings = propertyBindings;
        this.flags = flags;
        this.providerIndexes = providerIndexes;
        this.value = value;
        this.attrs = attrs;
        this.mergedAttrs = mergedAttrs;
        this.localNames = localNames;
        this.initialInputs = initialInputs;
        this.inputs = inputs;
        this.outputs = outputs;
        this.tViews = tViews;
        this.next = next;
        this.projectionNext = projectionNext;
        this.child = child;
        this.parent = parent;
        this.projection = projection;
        this.styles = styles;
        this.stylesWithoutHost = stylesWithoutHost;
        this.residualStyles = residualStyles;
        this.classes = classes;
        this.classesWithoutHost = classesWithoutHost;
        this.residualClasses = residualClasses;
        this.classBindings = classBindings;
        this.styleBindings = styleBindings;
    }
    /**
     * Return a human debug version of the set of `NodeInjector`s which will be consulted when
     * resolving tokens from this `TNode`.
     *
     * When debugging applications, it is often difficult to determine which `NodeInjector`s will be
     * consulted. This method shows a list of `DebugNode`s representing the `TNode`s which will be
     * consulted in order when resolving a token starting at this `TNode`.
     *
     * The original data is stored in `LView` and `TView` with a lot of offset indexes, and so it is
     * difficult to reason about.
     *
     * @param lView The `LView` instance for this `TNode`.
     */
    debugNodeInjectorPath(lView) {
        const path = [];
        let injectorIndex = getInjectorIndex(this, lView);
        if (injectorIndex === -1) {
            // Looks like the current `TNode` does not have `NodeInjector` associated with it => look for
            // parent NodeInjector.
            const parentLocation = getParentInjectorLocation(this, lView);
            if (parentLocation !== NO_PARENT_INJECTOR) {
                // We found a parent, so start searching from the parent location.
                injectorIndex = getParentInjectorIndex(parentLocation);
                lView = getParentInjectorView(parentLocation, lView);
            }
            else {
                // No parents have been found, so there are no `NodeInjector`s to consult.
            }
        }
        while (injectorIndex !== -1) {
            ngDevMode && assertNodeInjector(lView, injectorIndex);
            const tNode = lView[TVIEW].data[injectorIndex + 8 /* TNODE */];
            path.push(buildDebugNode(tNode, lView));
            const parentLocation = lView[injectorIndex + 8 /* PARENT */];
            if (parentLocation === NO_PARENT_INJECTOR) {
                injectorIndex = -1;
            }
            else {
                injectorIndex = getParentInjectorIndex(parentLocation);
                lView = getParentInjectorView(parentLocation, lView);
            }
        }
        return path;
    }
    get type_() {
        return toTNodeTypeAsString(this.type) || `TNodeType.?${this.type}?`;
    }
    get flags_() {
        const flags = [];
        if (this.flags & 16 /* hasClassInput */)
            flags.push('TNodeFlags.hasClassInput');
        if (this.flags & 8 /* hasContentQuery */)
            flags.push('TNodeFlags.hasContentQuery');
        if (this.flags & 32 /* hasStyleInput */)
            flags.push('TNodeFlags.hasStyleInput');
        if (this.flags & 128 /* hasHostBindings */)
            flags.push('TNodeFlags.hasHostBindings');
        if (this.flags & 2 /* isComponentHost */)
            flags.push('TNodeFlags.isComponentHost');
        if (this.flags & 1 /* isDirectiveHost */)
            flags.push('TNodeFlags.isDirectiveHost');
        if (this.flags & 64 /* isDetached */)
            flags.push('TNodeFlags.isDetached');
        if (this.flags & 4 /* isProjected */)
            flags.push('TNodeFlags.isProjected');
        return flags.join('|');
    }
    get template_() {
        if (this.type & 1 /* Text */)
            return this.value;
        const buf = [];
        const tagName = typeof this.value === 'string' && this.value || this.type_;
        buf.push('<', tagName);
        if (this.flags) {
            buf.push(' ', this.flags_);
        }
        if (this.attrs) {
            for (let i = 0; i < this.attrs.length;) {
                const attrName = this.attrs[i++];
                if (typeof attrName == 'number') {
                    break;
                }
                const attrValue = this.attrs[i++];
                buf.push(' ', attrName, '="', attrValue, '"');
            }
        }
        buf.push('>');
        processTNodeChildren(this.child, buf);
        buf.push('</', tagName, '>');
        return buf.join('');
    }
    get styleBindings_() {
        return toDebugStyleBinding(this, false);
    }
    get classBindings_() {
        return toDebugStyleBinding(this, true);
    }
    get providerIndexStart_() {
        return this.providerIndexes & 1048575 /* ProvidersStartIndexMask */;
    }
    get providerIndexEnd_() {
        return this.providerIndexStart_ +
            (this.providerIndexes >>> 20 /* CptViewProvidersCountShift */);
    }
}
const TNodeDebug = TNode;
function toDebugStyleBinding(tNode, isClassBased) {
    const tData = tNode.tView_.data;
    const bindings = [];
    const range = isClassBased ? tNode.classBindings : tNode.styleBindings;
    const prev = getTStylingRangePrev(range);
    const next = getTStylingRangeNext(range);
    let isTemplate = next !== 0;
    let cursor = isTemplate ? next : prev;
    while (cursor !== 0) {
        const itemKey = tData[cursor];
        const itemRange = tData[cursor + 1];
        bindings.unshift({
            key: itemKey,
            index: cursor,
            isTemplate: isTemplate,
            prevDuplicate: getTStylingRangePrevDuplicate(itemRange),
            nextDuplicate: getTStylingRangeNextDuplicate(itemRange),
            nextIndex: getTStylingRangeNext(itemRange),
            prevIndex: getTStylingRangePrev(itemRange),
        });
        if (cursor === prev)
            isTemplate = false;
        cursor = getTStylingRangePrev(itemRange);
    }
    bindings.push((isClassBased ? tNode.residualClasses : tNode.residualStyles) || null);
    return bindings;
}
function processTNodeChildren(tNode, buf) {
    while (tNode) {
        buf.push(tNode.template_);
        tNode = tNode.next;
    }
}
const TViewData = NG_DEV_MODE && createNamedArrayType('TViewData') || null;
let TVIEWDATA_EMPTY; // can't initialize here or it will not be tree shaken, because
// `LView` constructor could have side-effects.
/**
 * This function clones a blueprint and creates TData.
 *
 * Simple slice will keep the same type, and we need it to be TData
 */
function cloneToTViewData(list) {
    if (TVIEWDATA_EMPTY === undefined)
        TVIEWDATA_EMPTY = new TViewData();
    return TVIEWDATA_EMPTY.concat(list);
}
const LViewBlueprint = NG_DEV_MODE && createNamedArrayType('LViewBlueprint') || null;
const MatchesArray = NG_DEV_MODE && createNamedArrayType('MatchesArray') || null;
const TViewComponents = NG_DEV_MODE && createNamedArrayType('TViewComponents') || null;
const TNodeLocalNames = NG_DEV_MODE && createNamedArrayType('TNodeLocalNames') || null;
const TNodeInitialInputs = NG_DEV_MODE && createNamedArrayType('TNodeInitialInputs') || null;
const TNodeInitialData = NG_DEV_MODE && createNamedArrayType('TNodeInitialData') || null;
const LCleanup = NG_DEV_MODE && createNamedArrayType('LCleanup') || null;
const TCleanup = NG_DEV_MODE && createNamedArrayType('TCleanup') || null;
function attachLViewDebug(lView) {
    attachDebugObject(lView, new LViewDebug(lView));
}
function attachLContainerDebug(lContainer) {
    attachDebugObject(lContainer, new LContainerDebug(lContainer));
}
function toDebug(obj) {
    if (obj) {
        const debug = obj.debug;
        assertDefined(debug, 'Object does not have a debug representation.');
        return debug;
    }
    else {
        return obj;
    }
}
/**
 * Use this method to unwrap a native element in `LView` and convert it into HTML for easier
 * reading.
 *
 * @param value possibly wrapped native DOM node.
 * @param includeChildren If `true` then the serialized HTML form will include child elements
 * (same
 * as `outerHTML`). If `false` then the serialized HTML form will only contain the element
 * itself
 * (will not serialize child elements).
 */
function toHtml(value, includeChildren = false) {
    const node = unwrapRNode(value);
    if (node) {
        switch (node.nodeType) {
            case Node.TEXT_NODE:
                return node.textContent;
            case Node.COMMENT_NODE:
                return `<!--${node.textContent}-->`;
            case Node.ELEMENT_NODE:
                const outerHTML = node.outerHTML;
                if (includeChildren) {
                    return outerHTML;
                }
                else {
                    const innerHTML = '>' + node.innerHTML + '<';
                    return (outerHTML.split(innerHTML)[0]) + '>';
                }
        }
    }
    return null;
}
class LViewDebug {
    constructor(_raw_lView) {
        this._raw_lView = _raw_lView;
    }
    /**
     * Flags associated with the `LView` unpacked into a more readable state.
     */
    get flags() {
        const flags = this._raw_lView[FLAGS];
        return {
            __raw__flags__: flags,
            initPhaseState: flags & 3 /* InitPhaseStateMask */,
            creationMode: !!(flags & 4 /* CreationMode */),
            firstViewPass: !!(flags & 8 /* FirstLViewPass */),
            checkAlways: !!(flags & 16 /* CheckAlways */),
            dirty: !!(flags & 64 /* Dirty */),
            attached: !!(flags & 128 /* Attached */),
            destroyed: !!(flags & 256 /* Destroyed */),
            isRoot: !!(flags & 512 /* IsRoot */),
            indexWithinInitPhase: flags >> 11 /* IndexWithinInitPhaseShift */,
        };
    }
    get parent() {
        return toDebug(this._raw_lView[PARENT]);
    }
    get hostHTML() {
        return toHtml(this._raw_lView[HOST], true);
    }
    get html() {
        return (this.nodes || []).map(mapToHTML).join('');
    }
    get context() {
        return this._raw_lView[CONTEXT];
    }
    /**
     * The tree of nodes associated with the current `LView`. The nodes have been normalized into
     * a tree structure with relevant details pulled out for readability.
     */
    get nodes() {
        const lView = this._raw_lView;
        const tNode = lView[TVIEW].firstChild;
        return toDebugNodes(tNode, lView);
    }
    get template() {
        return this.tView.template_;
    }
    get tView() {
        return this._raw_lView[TVIEW];
    }
    get cleanup() {
        return this._raw_lView[CLEANUP];
    }
    get injector() {
        return this._raw_lView[INJECTOR];
    }
    get rendererFactory() {
        return this._raw_lView[RENDERER_FACTORY];
    }
    get renderer() {
        return this._raw_lView[RENDERER];
    }
    get sanitizer() {
        return this._raw_lView[SANITIZER];
    }
    get childHead() {
        return toDebug(this._raw_lView[CHILD_HEAD]);
    }
    get next() {
        return toDebug(this._raw_lView[NEXT]);
    }
    get childTail() {
        return toDebug(this._raw_lView[CHILD_TAIL]);
    }
    get declarationView() {
        return toDebug(this._raw_lView[DECLARATION_VIEW]);
    }
    get queries() {
        return this._raw_lView[QUERIES];
    }
    get tHost() {
        return this._raw_lView[T_HOST];
    }
    get decls() {
        return toLViewRange(this.tView, this._raw_lView, HEADER_OFFSET, this.tView.bindingStartIndex);
    }
    get vars() {
        return toLViewRange(this.tView, this._raw_lView, this.tView.bindingStartIndex, this.tView.expandoStartIndex);
    }
    get expando() {
        return toLViewRange(this.tView, this._raw_lView, this.tView.expandoStartIndex, this._raw_lView.length);
    }
    /**
     * Normalized view of child views (and containers) attached at this location.
     */
    get childViews() {
        const childViews = [];
        let child = this.childHead;
        while (child) {
            childViews.push(child);
            child = child.next;
        }
        return childViews;
    }
}
function mapToHTML(node) {
    if (node.type === 'ElementContainer') {
        return (node.children || []).map(mapToHTML).join('');
    }
    else if (node.type === 'IcuContainer') {
        throw new Error('Not implemented');
    }
    else {
        return toHtml(node.native, true) || '';
    }
}
function toLViewRange(tView, lView, start, end) {
    let content = [];
    for (let index = start; index < end; index++) {
        content.push({ index: index, t: tView.data[index], l: lView[index] });
    }
    return { start: start, end: end, length: end - start, content: content };
}
/**
 * Turns a flat list of nodes into a tree by walking the associated `TNode` tree.
 *
 * @param tNode
 * @param lView
 */
function toDebugNodes(tNode, lView) {
    if (tNode) {
        const debugNodes = [];
        let tNodeCursor = tNode;
        while (tNodeCursor) {
            debugNodes.push(buildDebugNode(tNodeCursor, lView));
            tNodeCursor = tNodeCursor.next;
        }
        return debugNodes;
    }
    else {
        return [];
    }
}
function buildDebugNode(tNode, lView) {
    const rawValue = lView[tNode.index];
    const native = unwrapRNode(rawValue);
    const factories = [];
    const instances = [];
    const tView = lView[TVIEW];
    for (let i = tNode.directiveStart; i < tNode.directiveEnd; i++) {
        const def = tView.data[i];
        factories.push(def.type);
        instances.push(lView[i]);
    }
    return {
        html: toHtml(native),
        type: toTNodeTypeAsString(tNode.type),
        tNode,
        native: native,
        children: toDebugNodes(tNode.child, lView),
        factories,
        instances,
        injector: buildNodeInjectorDebug(tNode, tView, lView),
        get injectorResolutionPath() {
            return tNode.debugNodeInjectorPath(lView);
        },
    };
}
function buildNodeInjectorDebug(tNode, tView, lView) {
    const viewProviders = [];
    for (let i = tNode.providerIndexStart_; i < tNode.providerIndexEnd_; i++) {
        viewProviders.push(tView.data[i]);
    }
    const providers = [];
    for (let i = tNode.providerIndexEnd_; i < tNode.directiveEnd; i++) {
        providers.push(tView.data[i]);
    }
    const nodeInjectorDebug = {
        bloom: toBloom(lView, tNode.injectorIndex),
        cumulativeBloom: toBloom(tView.data, tNode.injectorIndex),
        providers,
        viewProviders,
        parentInjectorIndex: lView[tNode.providerIndexStart_ - 1],
    };
    return nodeInjectorDebug;
}
/**
 * Convert a number at `idx` location in `array` into binary representation.
 *
 * @param array
 * @param idx
 */
function binary(array, idx) {
    const value = array[idx];
    // If not a number we print 8 `?` to retain alignment but let user know that it was called on
    // wrong type.
    if (typeof value !== 'number')
        return '????????';
    // We prefix 0s so that we have constant length number
    const text = '00000000' + value.toString(2);
    return text.substring(text.length - 8);
}
/**
 * Convert a bloom filter at location `idx` in `array` into binary representation.
 *
 * @param array
 * @param idx
 */
function toBloom(array, idx) {
    if (idx < 0) {
        return 'NO_NODE_INJECTOR';
    }
    return `${binary(array, idx + 7)}_${binary(array, idx + 6)}_${binary(array, idx + 5)}_${binary(array, idx + 4)}_${binary(array, idx + 3)}_${binary(array, idx + 2)}_${binary(array, idx + 1)}_${binary(array, idx + 0)}`;
}
class LContainerDebug {
    constructor(_raw_lContainer) {
        this._raw_lContainer = _raw_lContainer;
    }
    get hasTransplantedViews() {
        return this._raw_lContainer[HAS_TRANSPLANTED_VIEWS];
    }
    get views() {
        return this._raw_lContainer.slice(CONTAINER_HEADER_OFFSET)
            .map(toDebug);
    }
    get parent() {
        return toDebug(this._raw_lContainer[PARENT]);
    }
    get movedViews() {
        return this._raw_lContainer[MOVED_VIEWS];
    }
    get host() {
        return this._raw_lContainer[HOST];
    }
    get native() {
        return this._raw_lContainer[NATIVE];
    }
    get next() {
        return toDebug(this._raw_lContainer[NEXT]);
    }
}

const ɵ0$5 = () => Promise.resolve(null);
/**
 * A permanent marker promise which signifies that the current CD tree is
 * clean.
 */
const _CLEAN_PROMISE = (ɵ0$5)();
/**
 * Invoke `HostBindingsFunction`s for view.
 *
 * This methods executes `TView.hostBindingOpCodes`. It is used to execute the
 * `HostBindingsFunction`s associated with the current `LView`.
 *
 * @param tView Current `TView`.
 * @param lView Current `LView`.
 */
function processHostBindingOpCodes(tView, lView) {
    const hostBindingOpCodes = tView.hostBindingOpCodes;
    if (hostBindingOpCodes === null)
        return;
    try {
        for (let i = 0; i < hostBindingOpCodes.length; i++) {
            const opCode = hostBindingOpCodes[i];
            if (opCode < 0) {
                // Negative numbers are element indexes.
                setSelectedIndex(~opCode);
            }
            else {
                // Positive numbers are NumberTuple which store bindingRootIndex and directiveIndex.
                const directiveIdx = opCode;
                const bindingRootIndx = hostBindingOpCodes[++i];
                const hostBindingFn = hostBindingOpCodes[++i];
                setBindingRootForHostBindings(bindingRootIndx, directiveIdx);
                const context = lView[directiveIdx];
                hostBindingFn(2 /* Update */, context);
            }
        }
    }
    finally {
        setSelectedIndex(-1);
    }
}
/** Refreshes all content queries declared by directives in a given view */
function refreshContentQueries(tView, lView) {
    const contentQueries = tView.contentQueries;
    if (contentQueries !== null) {
        for (let i = 0; i < contentQueries.length; i += 2) {
            const queryStartIdx = contentQueries[i];
            const directiveDefIdx = contentQueries[i + 1];
            if (directiveDefIdx !== -1) {
                const directiveDef = tView.data[directiveDefIdx];
                ngDevMode && assertDefined(directiveDef, 'DirectiveDef not found.');
                ngDevMode &&
                    assertDefined(directiveDef.contentQueries, 'contentQueries function should be defined');
                setCurrentQueryIndex(queryStartIdx);
                directiveDef.contentQueries(2 /* Update */, lView[directiveDefIdx], directiveDefIdx);
            }
        }
    }
}
/** Refreshes child components in the current view (update mode). */
function refreshChildComponents(hostLView, components) {
    for (let i = 0; i < components.length; i++) {
        refreshComponent(hostLView, components[i]);
    }
}
/** Renders child components in the current view (creation mode). */
function renderChildComponents(hostLView, components) {
    for (let i = 0; i < components.length; i++) {
        renderComponent(hostLView, components[i]);
    }
}
function createLView(parentLView, tView, context, flags, host, tHostNode, rendererFactory, renderer, sanitizer, injector) {
    const lView = ngDevMode ? cloneToLViewFromTViewBlueprint(tView) : tView.blueprint.slice();
    lView[HOST] = host;
    lView[FLAGS] = flags | 4 /* CreationMode */ | 128 /* Attached */ | 8 /* FirstLViewPass */;
    resetPreOrderHookFlags(lView);
    ngDevMode && tView.declTNode && parentLView && assertTNodeForLView(tView.declTNode, parentLView);
    lView[PARENT] = lView[DECLARATION_VIEW] = parentLView;
    lView[CONTEXT] = context;
    lView[RENDERER_FACTORY] = (rendererFactory || parentLView && parentLView[RENDERER_FACTORY]);
    ngDevMode && assertDefined(lView[RENDERER_FACTORY], 'RendererFactory is required');
    lView[RENDERER] = (renderer || parentLView && parentLView[RENDERER]);
    ngDevMode && assertDefined(lView[RENDERER], 'Renderer is required');
    lView[SANITIZER] = sanitizer || parentLView && parentLView[SANITIZER] || null;
    lView[INJECTOR] = injector || parentLView && parentLView[INJECTOR] || null;
    lView[T_HOST] = tHostNode;
    ngDevMode &&
        assertEqual(tView.type == 2 /* Embedded */ ? parentLView !== null : true, true, 'Embedded views must have parentLView');
    lView[DECLARATION_COMPONENT_VIEW] =
        tView.type == 2 /* Embedded */ ? parentLView[DECLARATION_COMPONENT_VIEW] : lView;
    ngDevMode && attachLViewDebug(lView);
    return lView;
}
function getOrCreateTNode(tView, index, type, name, attrs) {
    ngDevMode && index !== 0 && // 0 are bogus nodes and they are OK. See `createContainerRef` in
        // `view_engine_compatibility` for additional context.
        assertGreaterThanOrEqual(index, HEADER_OFFSET, 'TNodes can\'t be in the LView header.');
    // Keep this function short, so that the VM will inline it.
    ngDevMode && assertPureTNodeType(type);
    let tNode = tView.data[index];
    if (tNode === null) {
        tNode = createTNodeAtIndex(tView, index, type, name, attrs);
        if (isInI18nBlock()) {
            // If we are in i18n block then all elements should be pre declared through `Placeholder`
            // See `TNodeType.Placeholder` and `LFrame.inI18n` for more context.
            // If the `TNode` was not pre-declared than it means it was not mentioned which means it was
            // removed, so we mark it as detached.
            tNode.flags |= 64 /* isDetached */;
        }
    }
    else if (tNode.type & 64 /* Placeholder */) {
        tNode.type = type;
        tNode.value = name;
        tNode.attrs = attrs;
        const parent = getCurrentParentTNode();
        tNode.injectorIndex = parent === null ? -1 : parent.injectorIndex;
        ngDevMode && assertTNodeForTView(tNode, tView);
        ngDevMode && assertEqual(index, tNode.index, 'Expecting same index');
    }
    setCurrentTNode(tNode, true);
    return tNode;
}
function createTNodeAtIndex(tView, index, type, name, attrs) {
    const currentTNode = getCurrentTNodePlaceholderOk();
    const isParent = isCurrentTNodeParent();
    const parent = isParent ? currentTNode : currentTNode && currentTNode.parent;
    // Parents cannot cross component boundaries because components will be used in multiple places.
    const tNode = tView.data[index] =
        createTNode(tView, parent, type, index, name, attrs);
    // Assign a pointer to the first child node of a given view. The first node is not always the one
    // at index 0, in case of i18n, index 0 can be the instruction `i18nStart` and the first node has
    // the index 1 or more, so we can't just check node index.
    if (tView.firstChild === null) {
        tView.firstChild = tNode;
    }
    if (currentTNode !== null) {
        if (isParent) {
            // FIXME(misko): This logic looks unnecessarily complicated. Could we simplify?
            if (currentTNode.child == null && tNode.parent !== null) {
                // We are in the same view, which means we are adding content node to the parent view.
                currentTNode.child = tNode;
            }
        }
        else {
            if (currentTNode.next === null) {
                // In the case of i18n the `currentTNode` may already be linked, in which case we don't want
                // to break the links which i18n created.
                currentTNode.next = tNode;
            }
        }
    }
    return tNode;
}
/**
 * When elements are created dynamically after a view blueprint is created (e.g. through
 * i18nApply()), we need to adjust the blueprint for future
 * template passes.
 *
 * @param tView `TView` associated with `LView`
 * @param lView The `LView` containing the blueprint to adjust
 * @param numSlotsToAlloc The number of slots to alloc in the LView, should be >0
 * @param initialValue Initial value to store in blueprint
 */
function allocExpando(tView, lView, numSlotsToAlloc, initialValue) {
    if (numSlotsToAlloc === 0)
        return -1;
    if (ngDevMode) {
        assertFirstCreatePass(tView);
        assertSame(tView, lView[TVIEW], '`LView` must be associated with `TView`!');
        assertEqual(tView.data.length, lView.length, 'Expecting LView to be same size as TView');
        assertEqual(tView.data.length, tView.blueprint.length, 'Expecting Blueprint to be same size as TView');
        assertFirstUpdatePass(tView);
    }
    const allocIdx = lView.length;
    for (let i = 0; i < numSlotsToAlloc; i++) {
        lView.push(initialValue);
        tView.blueprint.push(initialValue);
        tView.data.push(null);
    }
    return allocIdx;
}
//////////////////////////
//// Render
//////////////////////////
/**
 * Processes a view in the creation mode. This includes a number of steps in a specific order:
 * - creating view query functions (if any);
 * - executing a template function in the creation mode;
 * - updating static queries (if any);
 * - creating child components defined in a given view.
 */
function renderView(tView, lView, context) {
    ngDevMode && assertEqual(isCreationMode(lView), true, 'Should be run in creation mode');
    enterView(lView);
    try {
        const viewQuery = tView.viewQuery;
        if (viewQuery !== null) {
            executeViewQueryFn(1 /* Create */, viewQuery, context);
        }
        // Execute a template associated with this view, if it exists. A template function might not be
        // defined for the root component views.
        const templateFn = tView.template;
        if (templateFn !== null) {
            executeTemplate(tView, lView, templateFn, 1 /* Create */, context);
        }
        // This needs to be set before children are processed to support recursive components.
        // This must be set to false immediately after the first creation run because in an
        // ngFor loop, all the views will be created together before update mode runs and turns
        // off firstCreatePass. If we don't set it here, instances will perform directive
        // matching, etc again and again.
        if (tView.firstCreatePass) {
            tView.firstCreatePass = false;
        }
        // We resolve content queries specifically marked as `static` in creation mode. Dynamic
        // content queries are resolved during change detection (i.e. update mode), after embedded
        // views are refreshed (see block above).
        if (tView.staticContentQueries) {
            refreshContentQueries(tView, lView);
        }
        // We must materialize query results before child components are processed
        // in case a child component has projected a container. The LContainer needs
        // to exist so the embedded views are properly attached by the container.
        if (tView.staticViewQueries) {
            executeViewQueryFn(2 /* Update */, tView.viewQuery, context);
        }
        // Render child component views.
        const components = tView.components;
        if (components !== null) {
            renderChildComponents(lView, components);
        }
    }
    catch (error) {
        // If we didn't manage to get past the first template pass due to
        // an error, mark the view as corrupted so we can try to recover.
        if (tView.firstCreatePass) {
            tView.incompleteFirstPass = true;
        }
        throw error;
    }
    finally {
        lView[FLAGS] &= ~4 /* CreationMode */;
        leaveView();
    }
}
/**
 * Processes a view in update mode. This includes a number of steps in a specific order:
 * - executing a template function in update mode;
 * - executing hooks;
 * - refreshing queries;
 * - setting host bindings;
 * - refreshing child (embedded and component) views.
 */
function refreshView(tView, lView, templateFn, context) {
    ngDevMode && assertEqual(isCreationMode(lView), false, 'Should be run in update mode');
    const flags = lView[FLAGS];
    if ((flags & 256 /* Destroyed */) === 256 /* Destroyed */)
        return;
    enterView(lView);
    // Check no changes mode is a dev only mode used to verify that bindings have not changed
    // since they were assigned. We do not want to execute lifecycle hooks in that mode.
    const isInCheckNoChangesPass = isInCheckNoChangesMode();
    try {
        resetPreOrderHookFlags(lView);
        setBindingIndex(tView.bindingStartIndex);
        if (templateFn !== null) {
            executeTemplate(tView, lView, templateFn, 2 /* Update */, context);
        }
        const hooksInitPhaseCompleted = (flags & 3 /* InitPhaseStateMask */) === 3 /* InitPhaseCompleted */;
        // execute pre-order hooks (OnInit, OnChanges, DoCheck)
        // PERF WARNING: do NOT extract this to a separate function without running benchmarks
        if (!isInCheckNoChangesPass) {
            if (hooksInitPhaseCompleted) {
                const preOrderCheckHooks = tView.preOrderCheckHooks;
                if (preOrderCheckHooks !== null) {
                    executeCheckHooks(lView, preOrderCheckHooks, null);
                }
            }
            else {
                const preOrderHooks = tView.preOrderHooks;
                if (preOrderHooks !== null) {
                    executeInitAndCheckHooks(lView, preOrderHooks, 0 /* OnInitHooksToBeRun */, null);
                }
                incrementInitPhaseFlags(lView, 0 /* OnInitHooksToBeRun */);
            }
        }
        // First mark transplanted views that are declared in this lView as needing a refresh at their
        // insertion points. This is needed to avoid the situation where the template is defined in this
        // `LView` but its declaration appears after the insertion component.
        markTransplantedViewsForRefresh(lView);
        refreshEmbeddedViews(lView);
        // Content query results must be refreshed before content hooks are called.
        if (tView.contentQueries !== null) {
            refreshContentQueries(tView, lView);
        }
        // execute content hooks (AfterContentInit, AfterContentChecked)
        // PERF WARNING: do NOT extract this to a separate function without running benchmarks
        if (!isInCheckNoChangesPass) {
            if (hooksInitPhaseCompleted) {
                const contentCheckHooks = tView.contentCheckHooks;
                if (contentCheckHooks !== null) {
                    executeCheckHooks(lView, contentCheckHooks);
                }
            }
            else {
                const contentHooks = tView.contentHooks;
                if (contentHooks !== null) {
                    executeInitAndCheckHooks(lView, contentHooks, 1 /* AfterContentInitHooksToBeRun */);
                }
                incrementInitPhaseFlags(lView, 1 /* AfterContentInitHooksToBeRun */);
            }
        }
        processHostBindingOpCodes(tView, lView);
        // Refresh child component views.
        const components = tView.components;
        if (components !== null) {
            refreshChildComponents(lView, components);
        }
        // View queries must execute after refreshing child components because a template in this view
        // could be inserted in a child component. If the view query executes before child component
        // refresh, the template might not yet be inserted.
        const viewQuery = tView.viewQuery;
        if (viewQuery !== null) {
            executeViewQueryFn(2 /* Update */, viewQuery, context);
        }
        // execute view hooks (AfterViewInit, AfterViewChecked)
        // PERF WARNING: do NOT extract this to a separate function without running benchmarks
        if (!isInCheckNoChangesPass) {
            if (hooksInitPhaseCompleted) {
                const viewCheckHooks = tView.viewCheckHooks;
                if (viewCheckHooks !== null) {
                    executeCheckHooks(lView, viewCheckHooks);
                }
            }
            else {
                const viewHooks = tView.viewHooks;
                if (viewHooks !== null) {
                    executeInitAndCheckHooks(lView, viewHooks, 2 /* AfterViewInitHooksToBeRun */);
                }
                incrementInitPhaseFlags(lView, 2 /* AfterViewInitHooksToBeRun */);
            }
        }
        if (tView.firstUpdatePass === true) {
            // We need to make sure that we only flip the flag on successful `refreshView` only
            // Don't do this in `finally` block.
            // If we did this in `finally` block then an exception could block the execution of styling
            // instructions which in turn would be unable to insert themselves into the styling linked
            // list. The result of this would be that if the exception would not be throw on subsequent CD
            // the styling would be unable to process it data and reflect to the DOM.
            tView.firstUpdatePass = false;
        }
        // Do not reset the dirty state when running in check no changes mode. We don't want components
        // to behave differently depending on whether check no changes is enabled or not. For example:
        // Marking an OnPush component as dirty from within the `ngAfterViewInit` hook in order to
        // refresh a `NgClass` binding should work. If we would reset the dirty state in the check
        // no changes cycle, the component would be not be dirty for the next update pass. This would
        // be different in production mode where the component dirty state is not reset.
        if (!isInCheckNoChangesPass) {
            lView[FLAGS] &= ~(64 /* Dirty */ | 8 /* FirstLViewPass */);
        }
        if (lView[FLAGS] & 1024 /* RefreshTransplantedView */) {
            lView[FLAGS] &= ~1024 /* RefreshTransplantedView */;
            updateTransplantedViewCount(lView[PARENT], -1);
        }
    }
    finally {
        leaveView();
    }
}
function renderComponentOrTemplate(tView, lView, templateFn, context) {
    const rendererFactory = lView[RENDERER_FACTORY];
    const normalExecutionPath = !isInCheckNoChangesMode();
    const creationModeIsActive = isCreationMode(lView);
    try {
        if (normalExecutionPath && !creationModeIsActive && rendererFactory.begin) {
            rendererFactory.begin();
        }
        if (creationModeIsActive) {
            renderView(tView, lView, context);
        }
        refreshView(tView, lView, templateFn, context);
    }
    finally {
        if (normalExecutionPath && !creationModeIsActive && rendererFactory.end) {
            rendererFactory.end();
        }
    }
}
function executeTemplate(tView, lView, templateFn, rf, context) {
    const prevSelectedIndex = getSelectedIndex();
    const isUpdatePhase = rf & 2 /* Update */;
    try {
        setSelectedIndex(-1);
        if (isUpdatePhase && lView.length > HEADER_OFFSET) {
            // When we're updating, inherently select 0 so we don't
            // have to generate that instruction for most update blocks.
            selectIndexInternal(tView, lView, HEADER_OFFSET, isInCheckNoChangesMode());
        }
        const preHookType = isUpdatePhase ? 2 /* TemplateUpdateStart */ : 0 /* TemplateCreateStart */;
        profiler(preHookType, context);
        templateFn(rf, context);
    }
    finally {
        setSelectedIndex(prevSelectedIndex);
        const postHookType = isUpdatePhase ? 3 /* TemplateUpdateEnd */ : 1 /* TemplateCreateEnd */;
        profiler(postHookType, context);
    }
}
//////////////////////////
//// Element
//////////////////////////
function executeContentQueries(tView, tNode, lView) {
    if (isContentQueryHost(tNode)) {
        const start = tNode.directiveStart;
        const end = tNode.directiveEnd;
        for (let directiveIndex = start; directiveIndex < end; directiveIndex++) {
            const def = tView.data[directiveIndex];
            if (def.contentQueries) {
                def.contentQueries(1 /* Create */, lView[directiveIndex], directiveIndex);
            }
        }
    }
}
/**
 * Creates directive instances.
 */
function createDirectivesInstances(tView, lView, tNode) {
    if (!getBindingsEnabled())
        return;
    instantiateAllDirectives(tView, lView, tNode, getNativeByTNode(tNode, lView));
    if ((tNode.flags & 128 /* hasHostBindings */) === 128 /* hasHostBindings */) {
        invokeDirectivesHostBindings(tView, lView, tNode);
    }
}
/**
 * Takes a list of local names and indices and pushes the resolved local variable values
 * to LView in the same order as they are loaded in the template with load().
 */
function saveResolvedLocalsInData(viewData, tNode, localRefExtractor = getNativeByTNode) {
    const localNames = tNode.localNames;
    if (localNames !== null) {
        let localIndex = tNode.index + 1;
        for (let i = 0; i < localNames.length; i += 2) {
            const index = localNames[i + 1];
            const value = index === -1 ?
                localRefExtractor(tNode, viewData) :
                viewData[index];
            viewData[localIndex++] = value;
        }
    }
}
/**
 * Gets TView from a template function or creates a new TView
 * if it doesn't already exist.
 *
 * @param def ComponentDef
 * @returns TView
 */
function getOrCreateTComponentView(def) {
    const tView = def.tView;
    // Create a TView if there isn't one, or recreate it if the first create pass didn't
    // complete successfully since we can't know for sure whether it's in a usable shape.
    if (tView === null || tView.incompleteFirstPass) {
        // Declaration node here is null since this function is called when we dynamically create a
        // component and hence there is no declaration.
        const declTNode = null;
        return def.tView = createTView(1 /* Component */, declTNode, def.template, def.decls, def.vars, def.directiveDefs, def.pipeDefs, def.viewQuery, def.schemas, def.consts);
    }
    return tView;
}
/**
 * Creates a TView instance
 *
 * @param type Type of `TView`.
 * @param declTNode Declaration location of this `TView`.
 * @param templateFn Template function
 * @param decls The number of nodes, local refs, and pipes in this template
 * @param directives Registry of directives for this view
 * @param pipes Registry of pipes for this view
 * @param viewQuery View queries for this view
 * @param schemas Schemas for this view
 * @param consts Constants for this view
 */
function createTView(type, declTNode, templateFn, decls, vars, directives, pipes, viewQuery, schemas, constsOrFactory) {
    ngDevMode && ngDevMode.tView++;
    const bindingStartIndex = HEADER_OFFSET + decls;
    // This length does not yet contain host bindings from child directives because at this point,
    // we don't know which directives are active on this template. As soon as a directive is matched
    // that has a host binding, we will update the blueprint with that def's hostVars count.
    const initialViewLength = bindingStartIndex + vars;
    const blueprint = createViewBlueprint(bindingStartIndex, initialViewLength);
    const consts = typeof constsOrFactory === 'function' ? constsOrFactory() : constsOrFactory;
    const tView = blueprint[TVIEW] = ngDevMode ?
        new TViewConstructor(type, // type: TViewType,
        blueprint, // blueprint: LView,
        templateFn, // template: ComponentTemplate<{}>|null,
        null, // queries: TQueries|null
        viewQuery, // viewQuery: ViewQueriesFunction<{}>|null,
        declTNode, // declTNode: TNode|null,
        cloneToTViewData(blueprint).fill(null, bindingStartIndex), // data: TData,
        bindingStartIndex, // bindingStartIndex: number,
        initialViewLength, // expandoStartIndex: number,
        null, // hostBindingOpCodes: HostBindingOpCodes,
        true, // firstCreatePass: boolean,
        true, // firstUpdatePass: boolean,
        false, // staticViewQueries: boolean,
        false, // staticContentQueries: boolean,
        null, // preOrderHooks: HookData|null,
        null, // preOrderCheckHooks: HookData|null,
        null, // contentHooks: HookData|null,
        null, // contentCheckHooks: HookData|null,
        null, // viewHooks: HookData|null,
        null, // viewCheckHooks: HookData|null,
        null, // destroyHooks: DestroyHookData|null,
        null, // cleanup: any[]|null,
        null, // contentQueries: number[]|null,
        null, // components: number[]|null,
        typeof directives === 'function' ? //
            directives() : //
            directives, // directiveRegistry: DirectiveDefList|null,
        typeof pipes === 'function' ? pipes() : pipes, // pipeRegistry: PipeDefList|null,
        null, // firstChild: TNode|null,
        schemas, // schemas: SchemaMetadata[]|null,
        consts, // consts: TConstants|null
        false, // incompleteFirstPass: boolean
        decls, // ngDevMode only: decls
        vars) :
        {
            type: type,
            blueprint: blueprint,
            template: templateFn,
            queries: null,
            viewQuery: viewQuery,
            declTNode: declTNode,
            data: blueprint.slice().fill(null, bindingStartIndex),
            bindingStartIndex: bindingStartIndex,
            expandoStartIndex: initialViewLength,
            hostBindingOpCodes: null,
            firstCreatePass: true,
            firstUpdatePass: true,
            staticViewQueries: false,
            staticContentQueries: false,
            preOrderHooks: null,
            preOrderCheckHooks: null,
            contentHooks: null,
            contentCheckHooks: null,
            viewHooks: null,
            viewCheckHooks: null,
            destroyHooks: null,
            cleanup: null,
            contentQueries: null,
            components: null,
            directiveRegistry: typeof directives === 'function' ? directives() : directives,
            pipeRegistry: typeof pipes === 'function' ? pipes() : pipes,
            firstChild: null,
            schemas: schemas,
            consts: consts,
            incompleteFirstPass: false
        };
    if (ngDevMode) {
        // For performance reasons it is important that the tView retains the same shape during runtime.
        // (To make sure that all of the code is monomorphic.) For this reason we seal the object to
        // prevent class transitions.
        Object.seal(tView);
    }
    return tView;
}
function createViewBlueprint(bindingStartIndex, initialViewLength) {
    const blueprint = ngDevMode ? new LViewBlueprint() : [];
    for (let i = 0; i < initialViewLength; i++) {
        blueprint.push(i < bindingStartIndex ? null : NO_CHANGE);
    }
    return blueprint;
}
function createError(text, token) {
    return new Error(`Renderer: ${text} [${stringifyForError(token)}]`);
}
function assertHostNodeExists(rElement, elementOrSelector) {
    if (!rElement) {
        if (typeof elementOrSelector === 'string') {
            throw createError('Host node with selector not found:', elementOrSelector);
        }
        else {
            throw createError('Host node is required:', elementOrSelector);
        }
    }
}
/**
 * Locates the host native element, used for bootstrapping existing nodes into rendering pipeline.
 *
 * @param rendererFactory Factory function to create renderer instance.
 * @param elementOrSelector Render element or CSS selector to locate the element.
 * @param encapsulation View Encapsulation defined for component that requests host element.
 */
function locateHostElement(renderer, elementOrSelector, encapsulation) {
    if (isProceduralRenderer(renderer)) {
        // When using native Shadow DOM, do not clear host element to allow native slot projection
        const preserveContent = encapsulation === ViewEncapsulation.ShadowDom;
        return renderer.selectRootElement(elementOrSelector, preserveContent);
    }
    let rElement = typeof elementOrSelector === 'string' ?
        renderer.querySelector(elementOrSelector) :
        elementOrSelector;
    ngDevMode && assertHostNodeExists(rElement, elementOrSelector);
    // Always clear host element's content when Renderer3 is in use. For procedural renderer case we
    // make it depend on whether ShadowDom encapsulation is used (in which case the content should be
    // preserved to allow native slot projection). ShadowDom encapsulation requires procedural
    // renderer, and procedural renderer case is handled above.
    rElement.textContent = '';
    return rElement;
}
/**
 * Saves context for this cleanup function in LView.cleanupInstances.
 *
 * On the first template pass, saves in TView:
 * - Cleanup function
 * - Index of context we just saved in LView.cleanupInstances
 *
 * This function can also be used to store instance specific cleanup fns. In that case the `context`
 * is `null` and the function is store in `LView` (rather than it `TView`).
 */
function storeCleanupWithContext(tView, lView, context, cleanupFn) {
    const lCleanup = getOrCreateLViewCleanup(lView);
    if (context === null) {
        // If context is null that this is instance specific callback. These callbacks can only be
        // inserted after template shared instances. For this reason in ngDevMode we freeze the TView.
        if (ngDevMode) {
            Object.freeze(getOrCreateTViewCleanup(tView));
        }
        lCleanup.push(cleanupFn);
    }
    else {
        lCleanup.push(context);
        if (tView.firstCreatePass) {
            getOrCreateTViewCleanup(tView).push(cleanupFn, lCleanup.length - 1);
        }
    }
}
function createTNode(tView, tParent, type, index, value, attrs) {
    ngDevMode && index !== 0 && // 0 are bogus nodes and they are OK. See `createContainerRef` in
        // `view_engine_compatibility` for additional context.
        assertGreaterThanOrEqual(index, HEADER_OFFSET, 'TNodes can\'t be in the LView header.');
    ngDevMode && assertNotSame(attrs, undefined, '\'undefined\' is not valid value for \'attrs\'');
    ngDevMode && ngDevMode.tNode++;
    ngDevMode && tParent && assertTNodeForTView(tParent, tView);
    let injectorIndex = tParent ? tParent.injectorIndex : -1;
    const tNode = ngDevMode ?
        new TNodeDebug(tView, // tView_: TView
        type, // type: TNodeType
        index, // index: number
        null, // insertBeforeIndex: null|-1|number|number[]
        injectorIndex, // injectorIndex: number
        -1, // directiveStart: number
        -1, // directiveEnd: number
        -1, // directiveStylingLast: number
        null, // propertyBindings: number[]|null
        0, // flags: TNodeFlags
        0, // providerIndexes: TNodeProviderIndexes
        value, // value: string|null
        attrs, // attrs: (string|AttributeMarker|(string|SelectorFlags)[])[]|null
        null, // mergedAttrs
        null, // localNames: (string|number)[]|null
        undefined, // initialInputs: (string[]|null)[]|null|undefined
        null, // inputs: PropertyAliases|null
        null, // outputs: PropertyAliases|null
        null, // tViews: ITView|ITView[]|null
        null, // next: ITNode|null
        null, // projectionNext: ITNode|null
        null, // child: ITNode|null
        tParent, // parent: TElementNode|TContainerNode|null
        null, // projection: number|(ITNode|RNode[])[]|null
        null, // styles: string|null
        null, // stylesWithoutHost: string|null
        undefined, // residualStyles: string|null
        null, // classes: string|null
        null, // classesWithoutHost: string|null
        undefined, // residualClasses: string|null
        0, // classBindings: TStylingRange;
        0) :
        {
            type,
            index,
            insertBeforeIndex: null,
            injectorIndex,
            directiveStart: -1,
            directiveEnd: -1,
            directiveStylingLast: -1,
            propertyBindings: null,
            flags: 0,
            providerIndexes: 0,
            value: value,
            attrs: attrs,
            mergedAttrs: null,
            localNames: null,
            initialInputs: undefined,
            inputs: null,
            outputs: null,
            tViews: null,
            next: null,
            projectionNext: null,
            child: null,
            parent: tParent,
            projection: null,
            styles: null,
            stylesWithoutHost: null,
            residualStyles: undefined,
            classes: null,
            classesWithoutHost: null,
            residualClasses: undefined,
            classBindings: 0,
            styleBindings: 0,
        };
    if (ngDevMode) {
        // For performance reasons it is important that the tNode retains the same shape during runtime.
        // (To make sure that all of the code is monomorphic.) For this reason we seal the object to
        // prevent class transitions.
        Object.seal(tNode);
    }
    return tNode;
}
function generatePropertyAliases(inputAliasMap, directiveDefIdx, propStore) {
    for (let publicName in inputAliasMap) {
        if (inputAliasMap.hasOwnProperty(publicName)) {
            propStore = propStore === null ? {} : propStore;
            const internalName = inputAliasMap[publicName];
            if (propStore.hasOwnProperty(publicName)) {
                propStore[publicName].push(directiveDefIdx, internalName);
            }
            else {
                (propStore[publicName] = [directiveDefIdx, internalName]);
            }
        }
    }
    return propStore;
}
/**
 * Initializes data structures required to work with directive inputs and outputs.
 * Initialization is done for all directives matched on a given TNode.
 */
function initializeInputAndOutputAliases(tView, tNode) {
    ngDevMode && assertFirstCreatePass(tView);
    const start = tNode.directiveStart;
    const end = tNode.directiveEnd;
    const tViewData = tView.data;
    const tNodeAttrs = tNode.attrs;
    const inputsFromAttrs = ngDevMode ? new TNodeInitialInputs() : [];
    let inputsStore = null;
    let outputsStore = null;
    for (let i = start; i < end; i++) {
        const directiveDef = tViewData[i];
        const directiveInputs = directiveDef.inputs;
        // Do not use unbound attributes as inputs to structural directives, since structural
        // directive inputs can only be set using microsyntax (e.g. `<div *dir="exp">`).
        // TODO(FW-1930): microsyntax expressions may also contain unbound/static attributes, which
        // should be set for inline templates.
        const initialInputs = (tNodeAttrs !== null && !isInlineTemplate(tNode)) ?
            generateInitialInputs(directiveInputs, tNodeAttrs) :
            null;
        inputsFromAttrs.push(initialInputs);
        inputsStore = generatePropertyAliases(directiveInputs, i, inputsStore);
        outputsStore = generatePropertyAliases(directiveDef.outputs, i, outputsStore);
    }
    if (inputsStore !== null) {
        if (inputsStore.hasOwnProperty('class')) {
            tNode.flags |= 16 /* hasClassInput */;
        }
        if (inputsStore.hasOwnProperty('style')) {
            tNode.flags |= 32 /* hasStyleInput */;
        }
    }
    tNode.initialInputs = inputsFromAttrs;
    tNode.inputs = inputsStore;
    tNode.outputs = outputsStore;
}
/**
 * Mapping between attributes names that don't correspond to their element property names.
 *
 * Performance note: this function is written as a series of if checks (instead of, say, a property
 * object lookup) for performance reasons - the series of `if` checks seems to be the fastest way of
 * mapping property names. Do NOT change without benchmarking.
 *
 * Note: this mapping has to be kept in sync with the equally named mapping in the template
 * type-checking machinery of ngtsc.
 */
function mapPropName(name) {
    if (name === 'class')
        return 'className';
    if (name === 'for')
        return 'htmlFor';
    if (name === 'formaction')
        return 'formAction';
    if (name === 'innerHtml')
        return 'innerHTML';
    if (name === 'readonly')
        return 'readOnly';
    if (name === 'tabindex')
        return 'tabIndex';
    return name;
}
function elementPropertyInternal(tView, tNode, lView, propName, value, renderer, sanitizer, nativeOnly) {
    ngDevMode && assertNotSame(value, NO_CHANGE, 'Incoming value should never be NO_CHANGE.');
    const element = getNativeByTNode(tNode, lView);
    let inputData = tNode.inputs;
    let dataValue;
    if (!nativeOnly && inputData != null && (dataValue = inputData[propName])) {
        setInputsForProperty(tView, lView, dataValue, propName, value);
        if (isComponentHost(tNode))
            markDirtyIfOnPush(lView, tNode.index);
        if (ngDevMode) {
            setNgReflectProperties(lView, element, tNode.type, dataValue, value);
        }
    }
    else if (tNode.type & 3 /* AnyRNode */) {
        propName = mapPropName(propName);
        if (ngDevMode) {
            validateAgainstEventProperties(propName);
            if (!validateProperty(tView, element, propName, tNode)) {
                // Return here since we only log warnings for unknown properties.
                logUnknownPropertyError(propName, tNode);
                return;
            }
            ngDevMode.rendererSetProperty++;
        }
        // It is assumed that the sanitizer is only added when the compiler determines that the
        // property is risky, so sanitization can be done without further checks.
        value = sanitizer != null ? sanitizer(value, tNode.value || '', propName) : value;
        if (isProceduralRenderer(renderer)) {
            renderer.setProperty(element, propName, value);
        }
        else if (!isAnimationProp(propName)) {
            element.setProperty ? element.setProperty(propName, value) :
                element[propName] = value;
        }
    }
    else if (tNode.type & 12 /* AnyContainer */) {
        // If the node is a container and the property didn't
        // match any of the inputs or schemas we should throw.
        if (ngDevMode && !matchingSchemas(tView, tNode.value)) {
            logUnknownPropertyError(propName, tNode);
        }
    }
}
/** If node is an OnPush component, marks its LView dirty. */
function markDirtyIfOnPush(lView, viewIndex) {
    ngDevMode && assertLView(lView);
    const childComponentLView = getComponentLViewByIndex(viewIndex, lView);
    if (!(childComponentLView[FLAGS] & 16 /* CheckAlways */)) {
        childComponentLView[FLAGS] |= 64 /* Dirty */;
    }
}
function setNgReflectProperty(lView, element, type, attrName, value) {
    const renderer = lView[RENDERER];
    attrName = normalizeDebugBindingName(attrName);
    const debugValue = normalizeDebugBindingValue(value);
    if (type & 3 /* AnyRNode */) {
        if (value == null) {
            isProceduralRenderer(renderer) ? renderer.removeAttribute(element, attrName) :
                element.removeAttribute(attrName);
        }
        else {
            isProceduralRenderer(renderer) ?
                renderer.setAttribute(element, attrName, debugValue) :
                element.setAttribute(attrName, debugValue);
        }
    }
    else {
        const textContent = escapeCommentText(`bindings=${JSON.stringify({ [attrName]: debugValue }, null, 2)}`);
        if (isProceduralRenderer(renderer)) {
            renderer.setValue(element, textContent);
        }
        else {
            element.textContent = textContent;
        }
    }
}
function setNgReflectProperties(lView, element, type, dataValue, value) {
    if (type & (3 /* AnyRNode */ | 4 /* Container */)) {
        /**
         * dataValue is an array containing runtime input or output names for the directives:
         * i+0: directive instance index
         * i+1: privateName
         *
         * e.g. [0, 'change', 'change-minified']
         * we want to set the reflected property with the privateName: dataValue[i+1]
         */
        for (let i = 0; i < dataValue.length; i += 2) {
            setNgReflectProperty(lView, element, type, dataValue[i + 1], value);
        }
    }
}
function validateProperty(tView, element, propName, tNode) {
    // If `schemas` is set to `null`, that's an indication that this Component was compiled in AOT
    // mode where this check happens at compile time. In JIT mode, `schemas` is always present and
    // defined as an array (as an empty array in case `schemas` field is not defined) and we should
    // execute the check below.
    if (tView.schemas === null)
        return true;
    // The property is considered valid if the element matches the schema, it exists on the element
    // or it is synthetic, and we are in a browser context (web worker nodes should be skipped).
    if (matchingSchemas(tView, tNode.value) || propName in element || isAnimationProp(propName)) {
        return true;
    }
    // Note: `typeof Node` returns 'function' in most browsers, but on IE it is 'object' so we
    // need to account for both here, while being careful for `typeof null` also returning 'object'.
    return typeof Node === 'undefined' || Node === null || !(element instanceof Node);
}
function matchingSchemas(tView, tagName) {
    const schemas = tView.schemas;
    if (schemas !== null) {
        for (let i = 0; i < schemas.length; i++) {
            const schema = schemas[i];
            if (schema === NO_ERRORS_SCHEMA ||
                schema === CUSTOM_ELEMENTS_SCHEMA && tagName && tagName.indexOf('-') > -1) {
                return true;
            }
        }
    }
    return false;
}
/**
 * Logs an error that a property is not supported on an element.
 * @param propName Name of the invalid property.
 * @param tNode Node on which we encountered the property.
 */
function logUnknownPropertyError(propName, tNode) {
    let message = `Can't bind to '${propName}' since it isn't a known property of '${tNode.value}'.`;
    console.error(formatRuntimeError("303" /* UNKNOWN_BINDING */, message));
}
/**
 * Instantiate a root component.
 */
function instantiateRootComponent(tView, lView, def) {
    const rootTNode = getCurrentTNode();
    if (tView.firstCreatePass) {
        if (def.providersResolver)
            def.providersResolver(def);
        const directiveIndex = allocExpando(tView, lView, 1, null);
        ngDevMode &&
            assertEqual(directiveIndex, rootTNode.directiveStart, 'Because this is a root component the allocated expando should match the TNode component.');
        configureViewWithDirective(tView, rootTNode, lView, directiveIndex, def);
    }
    const directive = getNodeInjectable(lView, tView, rootTNode.directiveStart, rootTNode);
    attachPatchData(directive, lView);
    const native = getNativeByTNode(rootTNode, lView);
    if (native) {
        attachPatchData(native, lView);
    }
    return directive;
}
/**
 * Resolve the matched directives on a node.
 */
function resolveDirectives(tView, lView, tNode, localRefs) {
    // Please make sure to have explicit type for `exportsMap`. Inferred type triggers bug in
    // tsickle.
    ngDevMode && assertFirstCreatePass(tView);
    let hasDirectives = false;
    if (getBindingsEnabled()) {
        const directiveDefs = findDirectiveDefMatches(tView, lView, tNode);
        const exportsMap = localRefs === null ? null : { '': -1 };
        if (directiveDefs !== null) {
            hasDirectives = true;
            initTNodeFlags(tNode, tView.data.length, directiveDefs.length);
            // When the same token is provided by several directives on the same node, some rules apply in
            // the viewEngine:
            // - viewProviders have priority over providers
            // - the last directive in NgModule.declarations has priority over the previous one
            // So to match these rules, the order in which providers are added in the arrays is very
            // important.
            for (let i = 0; i < directiveDefs.length; i++) {
                const def = directiveDefs[i];
                if (def.providersResolver)
                    def.providersResolver(def);
            }
            let preOrderHooksFound = false;
            let preOrderCheckHooksFound = false;
            let directiveIdx = allocExpando(tView, lView, directiveDefs.length, null);
            ngDevMode &&
                assertSame(directiveIdx, tNode.directiveStart, 'TNode.directiveStart should point to just allocated space');
            for (let i = 0; i < directiveDefs.length; i++) {
                const def = directiveDefs[i];
                // Merge the attrs in the order of matches. This assumes that the first directive is the
                // component itself, so that the component has the least priority.
                tNode.mergedAttrs = mergeHostAttrs(tNode.mergedAttrs, def.hostAttrs);
                configureViewWithDirective(tView, tNode, lView, directiveIdx, def);
                saveNameToExportMap(directiveIdx, def, exportsMap);
                if (def.contentQueries !== null)
                    tNode.flags |= 8 /* hasContentQuery */;
                if (def.hostBindings !== null || def.hostAttrs !== null || def.hostVars !== 0)
                    tNode.flags |= 128 /* hasHostBindings */;
                const lifeCycleHooks = def.type.prototype;
                // Only push a node index into the preOrderHooks array if this is the first
                // pre-order hook found on this node.
                if (!preOrderHooksFound &&
                    (lifeCycleHooks.ngOnChanges || lifeCycleHooks.ngOnInit || lifeCycleHooks.ngDoCheck)) {
                    // We will push the actual hook function into this array later during dir instantiation.
                    // We cannot do it now because we must ensure hooks are registered in the same
                    // order that directives are created (i.e. injection order).
                    (tView.preOrderHooks || (tView.preOrderHooks = [])).push(tNode.index);
                    preOrderHooksFound = true;
                }
                if (!preOrderCheckHooksFound && (lifeCycleHooks.ngOnChanges || lifeCycleHooks.ngDoCheck)) {
                    (tView.preOrderCheckHooks || (tView.preOrderCheckHooks = [])).push(tNode.index);
                    preOrderCheckHooksFound = true;
                }
                directiveIdx++;
            }
            initializeInputAndOutputAliases(tView, tNode);
        }
        if (exportsMap)
            cacheMatchingLocalNames(tNode, localRefs, exportsMap);
    }
    // Merge the template attrs last so that they have the highest priority.
    tNode.mergedAttrs = mergeHostAttrs(tNode.mergedAttrs, tNode.attrs);
    return hasDirectives;
}
/**
 * Add `hostBindings` to the `TView.hostBindingOpCodes`.
 *
 * @param tView `TView` to which the `hostBindings` should be added.
 * @param tNode `TNode` the element which contains the directive
 * @param lView `LView` current `LView`
 * @param directiveIdx Directive index in view.
 * @param directiveVarsIdx Where will the directive's vars be stored
 * @param def `ComponentDef`/`DirectiveDef`, which contains the `hostVars`/`hostBindings` to add.
 */
function registerHostBindingOpCodes(tView, tNode, lView, directiveIdx, directiveVarsIdx, def) {
    ngDevMode && assertFirstCreatePass(tView);
    const hostBindings = def.hostBindings;
    if (hostBindings) {
        let hostBindingOpCodes = tView.hostBindingOpCodes;
        if (hostBindingOpCodes === null) {
            hostBindingOpCodes = tView.hostBindingOpCodes = [];
        }
        const elementIndx = ~tNode.index;
        if (lastSelectedElementIdx(hostBindingOpCodes) != elementIndx) {
            // Conditionally add select element so that we are more efficient in execution.
            // NOTE: this is strictly not necessary and it trades code size for runtime perf.
            // (We could just always add it.)
            hostBindingOpCodes.push(elementIndx);
        }
        hostBindingOpCodes.push(directiveIdx, directiveVarsIdx, hostBindings);
    }
}
/**
 * Returns the last selected element index in the `HostBindingOpCodes`
 *
 * For perf reasons we don't need to update the selected element index in `HostBindingOpCodes` only
 * if it changes. This method returns the last index (or '0' if not found.)
 *
 * Selected element index are only the ones which are negative.
 */
function lastSelectedElementIdx(hostBindingOpCodes) {
    let i = hostBindingOpCodes.length;
    while (i > 0) {
        const value = hostBindingOpCodes[--i];
        if (typeof value === 'number' && value < 0) {
            return value;
        }
    }
    return 0;
}
/**
 * Instantiate all the directives that were previously resolved on the current node.
 */
function instantiateAllDirectives(tView, lView, tNode, native) {
    const start = tNode.directiveStart;
    const end = tNode.directiveEnd;
    if (!tView.firstCreatePass) {
        getOrCreateNodeInjectorForNode(tNode, lView);
    }
    attachPatchData(native, lView);
    const initialInputs = tNode.initialInputs;
    for (let i = start; i < end; i++) {
        const def = tView.data[i];
        const isComponent = isComponentDef(def);
        if (isComponent) {
            ngDevMode && assertTNodeType(tNode, 3 /* AnyRNode */);
            addComponentLogic(lView, tNode, def);
        }
        const directive = getNodeInjectable(lView, tView, i, tNode);
        attachPatchData(directive, lView);
        if (initialInputs !== null) {
            setInputsFromAttrs(lView, i - start, directive, def, tNode, initialInputs);
        }
        if (isComponent) {
            const componentView = getComponentLViewByIndex(tNode.index, lView);
            componentView[CONTEXT] = directive;
        }
    }
}
function invokeDirectivesHostBindings(tView, lView, tNode) {
    const start = tNode.directiveStart;
    const end = tNode.directiveEnd;
    const firstCreatePass = tView.firstCreatePass;
    const elementIndex = tNode.index;
    const currentDirectiveIndex = getCurrentDirectiveIndex();
    try {
        setSelectedIndex(elementIndex);
        for (let dirIndex = start; dirIndex < end; dirIndex++) {
            const def = tView.data[dirIndex];
            const directive = lView[dirIndex];
            setCurrentDirectiveIndex(dirIndex);
            if (def.hostBindings !== null || def.hostVars !== 0 || def.hostAttrs !== null) {
                invokeHostBindingsInCreationMode(def, directive);
            }
        }
    }
    finally {
        setSelectedIndex(-1);
        setCurrentDirectiveIndex(currentDirectiveIndex);
    }
}
/**
 * Invoke the host bindings in creation mode.
 *
 * @param def `DirectiveDef` which may contain the `hostBindings` function.
 * @param directive Instance of directive.
 */
function invokeHostBindingsInCreationMode(def, directive) {
    if (def.hostBindings !== null) {
        def.hostBindings(1 /* Create */, directive);
    }
}
/**
 * Matches the current node against all available selectors.
 * If a component is matched (at most one), it is returned in first position in the array.
 */
function findDirectiveDefMatches(tView, viewData, tNode) {
    ngDevMode && assertFirstCreatePass(tView);
    ngDevMode && assertTNodeType(tNode, 3 /* AnyRNode */ | 12 /* AnyContainer */);
    const registry = tView.directiveRegistry;
    let matches = null;
    if (registry) {
        for (let i = 0; i < registry.length; i++) {
            const def = registry[i];
            if (isNodeMatchingSelectorList(tNode, def.selectors, /* isProjectionMode */ false)) {
                matches || (matches = ngDevMode ? new MatchesArray() : []);
                diPublicInInjector(getOrCreateNodeInjectorForNode(tNode, viewData), tView, def.type);
                if (isComponentDef(def)) {
                    if (ngDevMode) {
                        assertTNodeType(tNode, 2 /* Element */, `"${tNode.value}" tags cannot be used as component hosts. ` +
                            `Please use a different tag to activate the ${stringify(def.type)} component.`);
                        if (tNode.flags & 2 /* isComponentHost */)
                            throwMultipleComponentError(tNode);
                    }
                    markAsComponentHost(tView, tNode);
                    // The component is always stored first with directives after.
                    matches.unshift(def);
                }
                else {
                    matches.push(def);
                }
            }
        }
    }
    return matches;
}
/**
 * Marks a given TNode as a component's host. This consists of:
 * - setting appropriate TNode flags;
 * - storing index of component's host element so it will be queued for view refresh during CD.
 */
function markAsComponentHost(tView, hostTNode) {
    ngDevMode && assertFirstCreatePass(tView);
    hostTNode.flags |= 2 /* isComponentHost */;
    (tView.components || (tView.components = ngDevMode ? new TViewComponents() : []))
        .push(hostTNode.index);
}
/** Caches local names and their matching directive indices for query and template lookups. */
function cacheMatchingLocalNames(tNode, localRefs, exportsMap) {
    if (localRefs) {
        const localNames = tNode.localNames = ngDevMode ? new TNodeLocalNames() : [];
        // Local names must be stored in tNode in the same order that localRefs are defined
        // in the template to ensure the data is loaded in the same slots as their refs
        // in the template (for template queries).
        for (let i = 0; i < localRefs.length; i += 2) {
            const index = exportsMap[localRefs[i + 1]];
            if (index == null)
                throw new RuntimeError("301" /* EXPORT_NOT_FOUND */, `Export of name '${localRefs[i + 1]}' not found!`);
            localNames.push(localRefs[i], index);
        }
    }
}
/**
 * Builds up an export map as directives are created, so local refs can be quickly mapped
 * to their directive instances.
 */
function saveNameToExportMap(directiveIdx, def, exportsMap) {
    if (exportsMap) {
        if (def.exportAs) {
            for (let i = 0; i < def.exportAs.length; i++) {
                exportsMap[def.exportAs[i]] = directiveIdx;
            }
        }
        if (isComponentDef(def))
            exportsMap[''] = directiveIdx;
    }
}
/**
 * Initializes the flags on the current node, setting all indices to the initial index,
 * the directive count to 0, and adding the isComponent flag.
 * @param index the initial index
 */
function initTNodeFlags(tNode, index, numberOfDirectives) {
    ngDevMode &&
        assertNotEqual(numberOfDirectives, tNode.directiveEnd - tNode.directiveStart, 'Reached the max number of directives');
    tNode.flags |= 1 /* isDirectiveHost */;
    // When the first directive is created on a node, save the index
    tNode.directiveStart = index;
    tNode.directiveEnd = index + numberOfDirectives;
    tNode.providerIndexes = index;
}
/**
 * Setup directive for instantiation.
 *
 * We need to create a `NodeInjectorFactory` which is then inserted in both the `Blueprint` as well
 * as `LView`. `TView` gets the `DirectiveDef`.
 *
 * @param tView `TView`
 * @param tNode `TNode`
 * @param lView `LView`
 * @param directiveIndex Index where the directive will be stored in the Expando.
 * @param def `DirectiveDef`
 */
function configureViewWithDirective(tView, tNode, lView, directiveIndex, def) {
    ngDevMode &&
        assertGreaterThanOrEqual(directiveIndex, HEADER_OFFSET, 'Must be in Expando section');
    tView.data[directiveIndex] = def;
    const directiveFactory = def.factory || (def.factory = getFactoryDef(def.type, true));
    const nodeInjectorFactory = new NodeInjectorFactory(directiveFactory, isComponentDef(def), null);
    tView.blueprint[directiveIndex] = nodeInjectorFactory;
    lView[directiveIndex] = nodeInjectorFactory;
    registerHostBindingOpCodes(tView, tNode, lView, directiveIndex, allocExpando(tView, lView, def.hostVars, NO_CHANGE), def);
}
function addComponentLogic(lView, hostTNode, def) {
    const native = getNativeByTNode(hostTNode, lView);
    const tView = getOrCreateTComponentView(def);
    // Only component views should be added to the view tree directly. Embedded views are
    // accessed through their containers because they may be removed / re-added later.
    const rendererFactory = lView[RENDERER_FACTORY];
    const componentView = addToViewTree(lView, createLView(lView, tView, null, def.onPush ? 64 /* Dirty */ : 16 /* CheckAlways */, native, hostTNode, rendererFactory, rendererFactory.createRenderer(native, def), null, null));
    // Component view will always be created before any injected LContainers,
    // so this is a regular element, wrap it with the component view
    lView[hostTNode.index] = componentView;
}
function elementAttributeInternal(tNode, lView, name, value, sanitizer, namespace) {
    if (ngDevMode) {
        assertNotSame(value, NO_CHANGE, 'Incoming value should never be NO_CHANGE.');
        validateAgainstEventAttributes(name);
        assertTNodeType(tNode, 2 /* Element */, `Attempted to set attribute \`${name}\` on a container node. ` +
            `Host bindings are not valid on ng-container or ng-template.`);
    }
    const element = getNativeByTNode(tNode, lView);
    setElementAttribute(lView[RENDERER], element, namespace, tNode.value, name, value, sanitizer);
}
function setElementAttribute(renderer, element, namespace, tagName, name, value, sanitizer) {
    if (value == null) {
        ngDevMode && ngDevMode.rendererRemoveAttribute++;
        isProceduralRenderer(renderer) ? renderer.removeAttribute(element, name, namespace) :
            element.removeAttribute(name);
    }
    else {
        ngDevMode && ngDevMode.rendererSetAttribute++;
        const strValue = sanitizer == null ? renderStringify(value) : sanitizer(value, tagName || '', name);
        if (isProceduralRenderer(renderer)) {
            renderer.setAttribute(element, name, strValue, namespace);
        }
        else {
            namespace ? element.setAttributeNS(namespace, name, strValue) :
                element.setAttribute(name, strValue);
        }
    }
}
/**
 * Sets initial input properties on directive instances from attribute data
 *
 * @param lView Current LView that is being processed.
 * @param directiveIndex Index of the directive in directives array
 * @param instance Instance of the directive on which to set the initial inputs
 * @param def The directive def that contains the list of inputs
 * @param tNode The static data for this node
 */
function setInputsFromAttrs(lView, directiveIndex, instance, def, tNode, initialInputData) {
    const initialInputs = initialInputData[directiveIndex];
    if (initialInputs !== null) {
        const setInput = def.setInput;
        for (let i = 0; i < initialInputs.length;) {
            const publicName = initialInputs[i++];
            const privateName = initialInputs[i++];
            const value = initialInputs[i++];
            if (setInput !== null) {
                def.setInput(instance, value, publicName, privateName);
            }
            else {
                instance[privateName] = value;
            }
            if (ngDevMode) {
                const nativeElement = getNativeByTNode(tNode, lView);
                setNgReflectProperty(lView, nativeElement, tNode.type, privateName, value);
            }
        }
    }
}
/**
 * Generates initialInputData for a node and stores it in the template's static storage
 * so subsequent template invocations don't have to recalculate it.
 *
 * initialInputData is an array containing values that need to be set as input properties
 * for directives on this node, but only once on creation. We need this array to support
 * the case where you set an @Input property of a directive using attribute-like syntax.
 * e.g. if you have a `name` @Input, you can set it once like this:
 *
 * <my-component name="Bess"></my-component>
 *
 * @param inputs The list of inputs from the directive def
 * @param attrs The static attrs on this node
 */
function generateInitialInputs(inputs, attrs) {
    let inputsToStore = null;
    let i = 0;
    while (i < attrs.length) {
        const attrName = attrs[i];
        if (attrName === 0 /* NamespaceURI */) {
            // We do not allow inputs on namespaced attributes.
            i += 4;
            continue;
        }
        else if (attrName === 5 /* ProjectAs */) {
            // Skip over the `ngProjectAs` value.
            i += 2;
            continue;
        }
        // If we hit any other attribute markers, we're done anyway. None of those are valid inputs.
        if (typeof attrName === 'number')
            break;
        if (inputs.hasOwnProperty(attrName)) {
            if (inputsToStore === null)
                inputsToStore = [];
            inputsToStore.push(attrName, inputs[attrName], attrs[i + 1]);
        }
        i += 2;
    }
    return inputsToStore;
}
//////////////////////////
//// ViewContainer & View
//////////////////////////
// Not sure why I need to do `any` here but TS complains later.
const LContainerArray = ((typeof ngDevMode === 'undefined' || ngDevMode) && initNgDevMode()) &&
    createNamedArrayType('LContainer');
/**
 * Creates a LContainer, either from a container instruction, or for a ViewContainerRef.
 *
 * @param hostNative The host element for the LContainer
 * @param hostTNode The host TNode for the LContainer
 * @param currentView The parent view of the LContainer
 * @param native The native comment element
 * @param isForViewContainerRef Optional a flag indicating the ViewContainerRef case
 * @returns LContainer
 */
function createLContainer(hostNative, currentView, native, tNode) {
    ngDevMode && assertLView(currentView);
    ngDevMode && !isProceduralRenderer(currentView[RENDERER]) && assertDomNode(native);
    // https://jsperf.com/array-literal-vs-new-array-really
    const lContainer = new (ngDevMode ? LContainerArray : Array)(hostNative, // host native
    true, // Boolean `true` in this position signifies that this is an `LContainer`
    false, // has transplanted views
    currentView, // parent
    null, // next
    0, // transplanted views to refresh count
    tNode, // t_host
    native, // native,
    null, // view refs
    null);
    ngDevMode &&
        assertEqual(lContainer.length, CONTAINER_HEADER_OFFSET, 'Should allocate correct number of slots for LContainer header.');
    ngDevMode && attachLContainerDebug(lContainer);
    return lContainer;
}
/**
 * Goes over embedded views (ones created through ViewContainerRef APIs) and refreshes
 * them by executing an associated template function.
 */
function refreshEmbeddedViews(lView) {
    for (let lContainer = getFirstLContainer(lView); lContainer !== null; lContainer = getNextLContainer(lContainer)) {
        for (let i = CONTAINER_HEADER_OFFSET; i < lContainer.length; i++) {
            const embeddedLView = lContainer[i];
            const embeddedTView = embeddedLView[TVIEW];
            ngDevMode && assertDefined(embeddedTView, 'TView must be allocated');
            if (viewAttachedToChangeDetector(embeddedLView)) {
                refreshView(embeddedTView, embeddedLView, embeddedTView.template, embeddedLView[CONTEXT]);
            }
        }
    }
}
/**
 * Mark transplanted views as needing to be refreshed at their insertion points.
 *
 * @param lView The `LView` that may have transplanted views.
 */
function markTransplantedViewsForRefresh(lView) {
    for (let lContainer = getFirstLContainer(lView); lContainer !== null; lContainer = getNextLContainer(lContainer)) {
        if (!lContainer[HAS_TRANSPLANTED_VIEWS])
            continue;
        const movedViews = lContainer[MOVED_VIEWS];
        ngDevMode && assertDefined(movedViews, 'Transplanted View flags set but missing MOVED_VIEWS');
        for (let i = 0; i < movedViews.length; i++) {
            const movedLView = movedViews[i];
            const insertionLContainer = movedLView[PARENT];
            ngDevMode && assertLContainer(insertionLContainer);
            // We don't want to increment the counter if the moved LView was already marked for
            // refresh.
            if ((movedLView[FLAGS] & 1024 /* RefreshTransplantedView */) === 0) {
                updateTransplantedViewCount(insertionLContainer, 1);
            }
            // Note, it is possible that the `movedViews` is tracking views that are transplanted *and*
            // those that aren't (declaration component === insertion component). In the latter case,
            // it's fine to add the flag, as we will clear it immediately in
            // `refreshEmbeddedViews` for the view currently being refreshed.
            movedLView[FLAGS] |= 1024 /* RefreshTransplantedView */;
        }
    }
}
/////////////
/**
 * Refreshes components by entering the component view and processing its bindings, queries, etc.
 *
 * @param componentHostIdx  Element index in LView[] (adjusted for HEADER_OFFSET)
 */
function refreshComponent(hostLView, componentHostIdx) {
    ngDevMode && assertEqual(isCreationMode(hostLView), false, 'Should be run in update mode');
    const componentView = getComponentLViewByIndex(componentHostIdx, hostLView);
    // Only attached components that are CheckAlways or OnPush and dirty should be refreshed
    if (viewAttachedToChangeDetector(componentView)) {
        const tView = componentView[TVIEW];
        if (componentView[FLAGS] & (16 /* CheckAlways */ | 64 /* Dirty */)) {
            refreshView(tView, componentView, tView.template, componentView[CONTEXT]);
        }
        else if (componentView[TRANSPLANTED_VIEWS_TO_REFRESH] > 0) {
            // Only attached components that are CheckAlways or OnPush and dirty should be refreshed
            refreshContainsDirtyView(componentView);
        }
    }
}
/**
 * Refreshes all transplanted views marked with `LViewFlags.RefreshTransplantedView` that are
 * children or descendants of the given lView.
 *
 * @param lView The lView which contains descendant transplanted views that need to be refreshed.
 */
function refreshContainsDirtyView(lView) {
    for (let lContainer = getFirstLContainer(lView); lContainer !== null; lContainer = getNextLContainer(lContainer)) {
        for (let i = CONTAINER_HEADER_OFFSET; i < lContainer.length; i++) {
            const embeddedLView = lContainer[i];
            if (embeddedLView[FLAGS] & 1024 /* RefreshTransplantedView */) {
                const embeddedTView = embeddedLView[TVIEW];
                ngDevMode && assertDefined(embeddedTView, 'TView must be allocated');
                refreshView(embeddedTView, embeddedLView, embeddedTView.template, embeddedLView[CONTEXT]);
            }
            else if (embeddedLView[TRANSPLANTED_VIEWS_TO_REFRESH] > 0) {
                refreshContainsDirtyView(embeddedLView);
            }
        }
    }
    const tView = lView[TVIEW];
    // Refresh child component views.
    const components = tView.components;
    if (components !== null) {
        for (let i = 0; i < components.length; i++) {
            const componentView = getComponentLViewByIndex(components[i], lView);
            // Only attached components that are CheckAlways or OnPush and dirty should be refreshed
            if (viewAttachedToChangeDetector(componentView) &&
                componentView[TRANSPLANTED_VIEWS_TO_REFRESH] > 0) {
                refreshContainsDirtyView(componentView);
            }
        }
    }
}
function renderComponent(hostLView, componentHostIdx) {
    ngDevMode && assertEqual(isCreationMode(hostLView), true, 'Should be run in creation mode');
    const componentView = getComponentLViewByIndex(componentHostIdx, hostLView);
    const componentTView = componentView[TVIEW];
    syncViewWithBlueprint(componentTView, componentView);
    renderView(componentTView, componentView, componentView[CONTEXT]);
}
/**
 * Syncs an LView instance with its blueprint if they have gotten out of sync.
 *
 * Typically, blueprints and their view instances should always be in sync, so the loop here
 * will be skipped. However, consider this case of two components side-by-side:
 *
 * App template:
 * ```
 * <comp></comp>
 * <comp></comp>
 * ```
 *
 * The following will happen:
 * 1. App template begins processing.
 * 2. First <comp> is matched as a component and its LView is created.
 * 3. Second <comp> is matched as a component and its LView is created.
 * 4. App template completes processing, so it's time to check child templates.
 * 5. First <comp> template is checked. It has a directive, so its def is pushed to blueprint.
 * 6. Second <comp> template is checked. Its blueprint has been updated by the first
 * <comp> template, but its LView was created before this update, so it is out of sync.
 *
 * Note that embedded views inside ngFor loops will never be out of sync because these views
 * are processed as soon as they are created.
 *
 * @param tView The `TView` that contains the blueprint for syncing
 * @param lView The view to sync
 */
function syncViewWithBlueprint(tView, lView) {
    for (let i = lView.length; i < tView.blueprint.length; i++) {
        lView.push(tView.blueprint[i]);
    }
}
/**
 * Adds LView or LContainer to the end of the current view tree.
 *
 * This structure will be used to traverse through nested views to remove listeners
 * and call onDestroy callbacks.
 *
 * @param lView The view where LView or LContainer should be added
 * @param adjustedHostIndex Index of the view's host node in LView[], adjusted for header
 * @param lViewOrLContainer The LView or LContainer to add to the view tree
 * @returns The state passed in
 */
function addToViewTree(lView, lViewOrLContainer) {
    // TODO(benlesh/misko): This implementation is incorrect, because it always adds the LContainer
    // to the end of the queue, which means if the developer retrieves the LContainers from RNodes out
    // of order, the change detection will run out of order, as the act of retrieving the the
    // LContainer from the RNode is what adds it to the queue.
    if (lView[CHILD_HEAD]) {
        lView[CHILD_TAIL][NEXT] = lViewOrLContainer;
    }
    else {
        lView[CHILD_HEAD] = lViewOrLContainer;
    }
    lView[CHILD_TAIL] = lViewOrLContainer;
    return lViewOrLContainer;
}
///////////////////////////////
//// Change detection
///////////////////////////////
/**
 * Marks current view and all ancestors dirty.
 *
 * Returns the root view because it is found as a byproduct of marking the view tree
 * dirty, and can be used by methods that consume markViewDirty() to easily schedule
 * change detection. Otherwise, such methods would need to traverse up the view tree
 * an additional time to get the root view and schedule a tick on it.
 *
 * @param lView The starting LView to mark dirty
 * @returns the root LView
 */
function markViewDirty(lView) {
    while (lView) {
        lView[FLAGS] |= 64 /* Dirty */;
        const parent = getLViewParent(lView);
        // Stop traversing up as soon as you find a root view that wasn't attached to any container
        if (isRootView(lView) && !parent) {
            return lView;
        }
        // continue otherwise
        lView = parent;
    }
    return null;
}
/**
 * Used to schedule change detection on the whole application.
 *
 * Unlike `tick`, `scheduleTick` coalesces multiple calls into one change detection run.
 * It is usually called indirectly by calling `markDirty` when the view needs to be
 * re-rendered.
 *
 * Typically `scheduleTick` uses `requestAnimationFrame` to coalesce multiple
 * `scheduleTick` requests. The scheduling function can be overridden in
 * `renderComponent`'s `scheduler` option.
 */
function scheduleTick(rootContext, flags) {
    const nothingScheduled = rootContext.flags === 0 /* Empty */;
    if (nothingScheduled && rootContext.clean == _CLEAN_PROMISE) {
        // https://github.com/angular/angular/issues/39296
        // should only attach the flags when really scheduling a tick
        rootContext.flags |= flags;
        let res;
        rootContext.clean = new Promise((r) => res = r);
        rootContext.scheduler(() => {
            if (rootContext.flags & 1 /* DetectChanges */) {
                rootContext.flags &= ~1 /* DetectChanges */;
                tickRootContext(rootContext);
            }
            if (rootContext.flags & 2 /* FlushPlayers */) {
                rootContext.flags &= ~2 /* FlushPlayers */;
                const playerHandler = rootContext.playerHandler;
                if (playerHandler) {
                    playerHandler.flushPlayers();
                }
            }
            rootContext.clean = _CLEAN_PROMISE;
            res(null);
        });
    }
}
function tickRootContext(rootContext) {
    for (let i = 0; i < rootContext.components.length; i++) {
        const rootComponent = rootContext.components[i];
        const lView = readPatchedLView(rootComponent);
        const tView = lView[TVIEW];
        renderComponentOrTemplate(tView, lView, tView.template, rootComponent);
    }
}
function detectChangesInternal(tView, lView, context) {
    const rendererFactory = lView[RENDERER_FACTORY];
    if (rendererFactory.begin)
        rendererFactory.begin();
    try {
        refreshView(tView, lView, tView.template, context);
    }
    catch (error) {
        handleError(lView, error);
        throw error;
    }
    finally {
        if (rendererFactory.end)
            rendererFactory.end();
    }
}
/**
 * Synchronously perform change detection on a root view and its components.
 *
 * @param lView The view which the change detection should be performed on.
 */
function detectChangesInRootView(lView) {
    tickRootContext(lView[CONTEXT]);
}
function checkNoChangesInternal(tView, view, context) {
    setIsInCheckNoChangesMode(true);
    try {
        detectChangesInternal(tView, view, context);
    }
    finally {
        setIsInCheckNoChangesMode(false);
    }
}
/**
 * Checks the change detector on a root view and its components, and throws if any changes are
 * detected.
 *
 * This is used in development mode to verify that running change detection doesn't
 * introduce other changes.
 *
 * @param lView The view which the change detection should be checked on.
 */
function checkNoChangesInRootView(lView) {
    setIsInCheckNoChangesMode(true);
    try {
        detectChangesInRootView(lView);
    }
    finally {
        setIsInCheckNoChangesMode(false);
    }
}
function executeViewQueryFn(flags, viewQueryFn, component) {
    ngDevMode && assertDefined(viewQueryFn, 'View queries function to execute must be defined.');
    setCurrentQueryIndex(0);
    viewQueryFn(flags, component);
}
///////////////////////////////
//// Bindings & interpolations
///////////////////////////////
/**
 * Stores meta-data for a property binding to be used by TestBed's `DebugElement.properties`.
 *
 * In order to support TestBed's `DebugElement.properties` we need to save, for each binding:
 * - a bound property name;
 * - a static parts of interpolated strings;
 *
 * A given property metadata is saved at the binding's index in the `TView.data` (in other words, a
 * property binding metadata will be stored in `TView.data` at the same index as a bound value in
 * `LView`). Metadata are represented as `INTERPOLATION_DELIMITER`-delimited string with the
 * following format:
 * - `propertyName` for bound properties;
 * - `propertyName�prefix�interpolation_static_part1�..interpolation_static_partN�suffix` for
 * interpolated properties.
 *
 * @param tData `TData` where meta-data will be saved;
 * @param tNode `TNode` that is a target of the binding;
 * @param propertyName bound property name;
 * @param bindingIndex binding index in `LView`
 * @param interpolationParts static interpolation parts (for property interpolations)
 */
function storePropertyBindingMetadata(tData, tNode, propertyName, bindingIndex, ...interpolationParts) {
    // Binding meta-data are stored only the first time a given property instruction is processed.
    // Since we don't have a concept of the "first update pass" we need to check for presence of the
    // binding meta-data to decide if one should be stored (or if was stored already).
    if (tData[bindingIndex] === null) {
        if (tNode.inputs == null || !tNode.inputs[propertyName]) {
            const propBindingIdxs = tNode.propertyBindings || (tNode.propertyBindings = []);
            propBindingIdxs.push(bindingIndex);
            let bindingMetadata = propertyName;
            if (interpolationParts.length > 0) {
                bindingMetadata +=
                    INTERPOLATION_DELIMITER + interpolationParts.join(INTERPOLATION_DELIMITER);
            }
            tData[bindingIndex] = bindingMetadata;
        }
    }
}
const CLEAN_PROMISE = _CLEAN_PROMISE;
function getOrCreateLViewCleanup(view) {
    // top level variables should not be exported for performance reasons (PERF_NOTES.md)
    return view[CLEANUP] || (view[CLEANUP] = ngDevMode ? new LCleanup() : []);
}
function getOrCreateTViewCleanup(tView) {
    return tView.cleanup || (tView.cleanup = ngDevMode ? new TCleanup() : []);
}
/**
 * There are cases where the sub component's renderer needs to be included
 * instead of the current renderer (see the componentSyntheticHost* instructions).
 */
function loadComponentRenderer(currentDef, tNode, lView) {
    // TODO(FW-2043): the `currentDef` is null when host bindings are invoked while creating root
    // component (see packages/core/src/render3/component.ts). This is not consistent with the process
    // of creating inner components, when current directive index is available in the state. In order
    // to avoid relying on current def being `null` (thus special-casing root component creation), the
    // process of creating root component should be unified with the process of creating inner
    // components.
    if (currentDef === null || isComponentDef(currentDef)) {
        lView = unwrapLView(lView[tNode.index]);
    }
    return lView[RENDERER];
}
/** Handles an error thrown in an LView. */
function handleError(lView, error) {
    const injector = lView[INJECTOR];
    const errorHandler = injector ? injector.get(ErrorHandler, null) : null;
    errorHandler && errorHandler.handleError(error);
}
/**
 * Set the inputs of directives at the current node to corresponding value.
 *
 * @param tView The current TView
 * @param lView the `LView` which contains the directives.
 * @param inputs mapping between the public "input" name and privately-known,
 *        possibly minified, property names to write to.
 * @param value Value to set.
 */
function setInputsForProperty(tView, lView, inputs, publicName, value) {
    for (let i = 0; i < inputs.length;) {
        const index = inputs[i++];
        const privateName = inputs[i++];
        const instance = lView[index];
        ngDevMode && assertIndexInRange(lView, index);
        const def = tView.data[index];
        if (def.setInput !== null) {
            def.setInput(instance, value, publicName, privateName);
        }
        else {
            instance[privateName] = value;
        }
    }
}
/**
 * Updates a text binding at a given index in a given LView.
 */
function textBindingInternal(lView, index, value) {
    ngDevMode && assertString(value, 'Value should be a string');
    ngDevMode && assertNotSame(value, NO_CHANGE, 'value should not be NO_CHANGE');
    ngDevMode && assertIndexInRange(lView, index);
    const element = getNativeByIndex(index, lView);
    ngDevMode && assertDefined(element, 'native element should exist');
    updateTextNode(lView[RENDERER], element, value);
}

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
/**
 * Compute the static styling (class/style) from `TAttributes`.
 *
 * This function should be called during `firstCreatePass` only.
 *
 * @param tNode The `TNode` into which the styling information should be loaded.
 * @param attrs `TAttributes` containing the styling information.
 * @param writeToHost Where should the resulting static styles be written?
 *   - `false` Write to `TNode.stylesWithoutHost` / `TNode.classesWithoutHost`
 *   - `true` Write to `TNode.styles` / `TNode.classes`
 */
function computeStaticStyling(tNode, attrs, writeToHost) {
    ngDevMode &&
        assertFirstCreatePass(getTView(), 'Expecting to be called in first template pass only');
    let styles = writeToHost ? tNode.styles : null;
    let classes = writeToHost ? tNode.classes : null;
    let mode = 0;
    if (attrs !== null) {
        for (let i = 0; i < attrs.length; i++) {
            const value = attrs[i];
            if (typeof value === 'number') {
                mode = value;
            }
            else if (mode == 1 /* Classes */) {
                classes = concatStringsWithSpace(classes, value);
            }
            else if (mode == 2 /* Styles */) {
                const style = value;
                const styleValue = attrs[++i];
                styles = concatStringsWithSpace(styles, style + ': ' + styleValue + ';');
            }
        }
    }
    writeToHost ? tNode.styles = styles : tNode.stylesWithoutHost = styles;
    writeToHost ? tNode.classes = classes : tNode.classesWithoutHost = classes;
}

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
/**
 * Synchronously perform change detection on a component (and possibly its sub-components).
 *
 * This function triggers change detection in a synchronous way on a component.
 *
 * @param component The component which the change detection should be performed on.
 */
function detectChanges(component) {
    const view = getComponentViewByInstance(component);
    detectChangesInternal(view[TVIEW], view, component);
}
/**
 * Marks the component as dirty (needing change detection). Marking a component dirty will
 * schedule a change detection on it at some point in the future.
 *
 * Marking an already dirty component as dirty won't do anything. Only one outstanding change
 * detection can be scheduled per component tree.
 *
 * @param component Component to mark as dirty.
 */
function markDirty(component) {
    ngDevMode && assertDefined(component, 'component');
    const rootView = markViewDirty(getComponentViewByInstance(component));
    ngDevMode && assertDefined(rootView[CONTEXT], 'rootContext should be defined');
    scheduleTick(rootView[CONTEXT], 1 /* DetectChanges */);
}
/**
 * Used to perform change detection on the whole application.
 *
 * This is equivalent to `detectChanges`, but invoked on root component. Additionally, `tick`
 * executes lifecycle hooks and conditionally checks components based on their
 * `ChangeDetectionStrategy` and dirtiness.
 *
 * The preferred way to trigger change detection is to call `markDirty`. `markDirty` internally
 * schedules `tick` using a scheduler in order to coalesce multiple `markDirty` calls into a
 * single change detection run. By default, the scheduler is `requestAnimationFrame`, but can
 * be changed when calling `renderComponent` and providing the `scheduler` option.
 */
function tick(component) {
    const rootView = getRootView(component);
    const rootContext = rootView[CONTEXT];
    tickRootContext(rootContext);
}

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
/**
 * An InjectionToken that gets the current `Injector` for `createInjector()`-style injectors.
 *
 * Requesting this token instead of `Injector` allows `StaticInjector` to be tree-shaken from a
 * project.
 *
 * @publicApi
 */
const INJECTOR$1 = new InjectionToken('INJECTOR', 
// Dissable tslint because this is const enum which gets inlined not top level prop access.
// tslint:disable-next-line: no-toplevel-property-access
-1 /* Injector */);

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
class NullInjector {
    get(token, notFoundValue = THROW_IF_NOT_FOUND) {
        if (notFoundValue === THROW_IF_NOT_FOUND) {
            const error = new Error(`NullInjectorError: No provider for ${stringify(token)}!`);
            error.name = 'NullInjectorError';
            throw error;
        }
        return notFoundValue;
    }
}

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
/**
 * An internal token whose presence in an injector indicates that the injector should treat itself
 * as a root scoped injector when processing requests for unknown tokens which may indicate
 * they are provided in the root scope.
 */
const INJECTOR_SCOPE = new InjectionToken('Set Injector scope.');

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
/**
 * Marker which indicates that a value has not yet been created from the factory function.
 */
const NOT_YET = {};
/**
 * Marker which indicates that the factory function for a token is in the process of being called.
 *
 * If the injector is asked to inject a token with its value set to CIRCULAR, that indicates
 * injection of a dependency has recursively attempted to inject the original token, and there is
 * a circular dependency among the providers.
 */
const CIRCULAR = {};
/**
 * A lazily initialized NullInjector.
 */
let NULL_INJECTOR = undefined;
function getNullInjector() {
    if (NULL_INJECTOR === undefined) {
        NULL_INJECTOR = new NullInjector();
    }
    return NULL_INJECTOR;
}
/**
 * Create a new `Injector` which is configured using a `defType` of `InjectorType<any>`s.
 *
 * @publicApi
 */
function createInjector(defType, parent = null, additionalProviders = null, name) {
    const injector = createInjectorWithoutInjectorInstances(defType, parent, additionalProviders, name);
    injector._resolveInjectorDefTypes();
    return injector;
}
/**
 * Creates a new injector without eagerly resolving its injector types. Can be used in places
 * where resolving the injector types immediately can lead to an infinite loop. The injector types
 * should be resolved at a later point by calling `_resolveInjectorDefTypes`.
 */
function createInjectorWithoutInjectorInstances(defType, parent = null, additionalProviders = null, name) {
    return new R3Injector(defType, additionalProviders, parent || getNullInjector(), name);
}
class R3Injector {
    constructor(def, additionalProviders, parent, source = null) {
        this.parent = parent;
        /**
         * Map of tokens to records which contain the instances of those tokens.
         * - `null` value implies that we don't have the record. Used by tree-shakable injectors
         * to prevent further searches.
         */
        this.records = new Map();
        /**
         * The transitive set of `InjectorType`s which define this injector.
         */
        this.injectorDefTypes = new Set();
        /**
         * Set of values instantiated by this injector which contain `ngOnDestroy` lifecycle hooks.
         */
        this.onDestroy = new Set();
        this._destroyed = false;
        const dedupStack = [];
        // Start off by creating Records for every provider declared in every InjectorType
        // included transitively in additional providers then do the same for `def`. This order is
        // important because `def` may include providers that override ones in additionalProviders.
        additionalProviders &&
            deepForEach(additionalProviders, provider => this.processProvider(provider, def, additionalProviders));
        deepForEach([def], injectorDef => this.processInjectorType(injectorDef, [], dedupStack));
        // Make sure the INJECTOR token provides this injector.
        this.records.set(INJECTOR$1, makeRecord(undefined, this));
        // Detect whether this injector has the APP_ROOT_SCOPE token and thus should provide
        // any injectable scoped to APP_ROOT_SCOPE.
        const record = this.records.get(INJECTOR_SCOPE);
        this.scope = record != null ? record.value : null;
        // Source name, used for debugging
        this.source = source || (typeof def === 'object' ? null : stringify(def));
    }
    /**
     * Flag indicating that this injector was previously destroyed.
     */
    get destroyed() {
        return this._destroyed;
    }
    /**
     * Destroy the injector and release references to every instance or provider associated with it.
     *
     * Also calls the `OnDestroy` lifecycle hooks of every instance that was created for which a
     * hook was found.
     */
    destroy() {
        this.assertNotDestroyed();
        // Set destroyed = true first, in case lifecycle hooks re-enter destroy().
        this._destroyed = true;
        try {
            // Call all the lifecycle hooks.
            this.onDestroy.forEach(service => service.ngOnDestroy());
        }
        finally {
            // Release all references.
            this.records.clear();
            this.onDestroy.clear();
            this.injectorDefTypes.clear();
        }
    }
    get(token, notFoundValue = THROW_IF_NOT_FOUND, flags = InjectFlags.Default) {
        this.assertNotDestroyed();
        // Set the injection context.
        const previousInjector = setCurrentInjector(this);
        const previousInjectImplementation = setInjectImplementation(undefined);
        try {
            // Check for the SkipSelf flag.
            if (!(flags & InjectFlags.SkipSelf)) {
                // SkipSelf isn't set, check if the record belongs to this injector.
                let record = this.records.get(token);
                if (record === undefined) {
                    // No record, but maybe the token is scoped to this injector. Look for an injectable
                    // def with a scope matching this injector.
                    const def = couldBeInjectableType(token) && getInjectableDef(token);
                    if (def && this.injectableDefInScope(def)) {
                        // Found an injectable def and it's scoped to this injector. Pretend as if it was here
                        // all along.
                        record = makeRecord(injectableDefOrInjectorDefFactory(token), NOT_YET);
                    }
                    else {
                        record = null;
                    }
                    this.records.set(token, record);
                }
                // If a record was found, get the instance for it and return it.
                if (record != null /* NOT null || undefined */) {
                    return this.hydrate(token, record);
                }
            }
            // Select the next injector based on the Self flag - if self is set, the next injector is
            // the NullInjector, otherwise it's the parent.
            const nextInjector = !(flags & InjectFlags.Self) ? this.parent : getNullInjector();
            // Set the notFoundValue based on the Optional flag - if optional is set and notFoundValue
            // is undefined, the value is null, otherwise it's the notFoundValue.
            notFoundValue = (flags & InjectFlags.Optional) && notFoundValue === THROW_IF_NOT_FOUND ?
                null :
                notFoundValue;
            return nextInjector.get(token, notFoundValue);
        }
        catch (e) {
            if (e.name === 'NullInjectorError') {
                const path = e[NG_TEMP_TOKEN_PATH] = e[NG_TEMP_TOKEN_PATH] || [];
                path.unshift(stringify(token));
                if (previousInjector) {
                    // We still have a parent injector, keep throwing
                    throw e;
                }
                else {
                    // Format & throw the final error message when we don't have any previous injector
                    return catchInjectorError(e, token, 'R3InjectorError', this.source);
                }
            }
            else {
                throw e;
            }
        }
        finally {
            // Lastly, restore the previous injection context.
            setInjectImplementation(previousInjectImplementation);
            setCurrentInjector(previousInjector);
        }
    }
    /** @internal */
    _resolveInjectorDefTypes() {
        this.injectorDefTypes.forEach(defType => this.get(defType));
    }
    toString() {
        const tokens = [], records = this.records;
        records.forEach((v, token) => tokens.push(stringify(token)));
        return `R3Injector[${tokens.join(', ')}]`;
    }
    assertNotDestroyed() {
        if (this._destroyed) {
            throw new Error('Injector has already been destroyed.');
        }
    }
    /**
     * Add an `InjectorType` or `InjectorTypeWithProviders` and all of its transitive providers
     * to this injector.
     *
     * If an `InjectorTypeWithProviders` that declares providers besides the type is specified,
     * the function will return "true" to indicate that the providers of the type definition need
     * to be processed. This allows us to process providers of injector types after all imports of
     * an injector definition are processed. (following View Engine semantics: see FW-1349)
     */
    processInjectorType(defOrWrappedDef, parents, dedupStack) {
        defOrWrappedDef = resolveForwardRef(defOrWrappedDef);
        if (!defOrWrappedDef)
            return false;
        // Either the defOrWrappedDef is an InjectorType (with injector def) or an
        // InjectorDefTypeWithProviders (aka ModuleWithProviders). Detecting either is a megamorphic
        // read, so care is taken to only do the read once.
        // First attempt to read the injector def (`ɵinj`).
        let def = getInjectorDef(defOrWrappedDef);
        // If that's not present, then attempt to read ngModule from the InjectorDefTypeWithProviders.
        const ngModule = (def == null) && defOrWrappedDef.ngModule || undefined;
        // Determine the InjectorType. In the case where `defOrWrappedDef` is an `InjectorType`,
        // then this is easy. In the case of an InjectorDefTypeWithProviders, then the definition type
        // is the `ngModule`.
        const defType = (ngModule === undefined) ? defOrWrappedDef : ngModule;
        // Check for circular dependencies.
        if (ngDevMode && parents.indexOf(defType) !== -1) {
            const defName = stringify(defType);
            const path = parents.map(stringify);
            throwCyclicDependencyError(defName, path);
        }
        // Check for multiple imports of the same module
        const isDuplicate = dedupStack.indexOf(defType) !== -1;
        // Finally, if defOrWrappedType was an `InjectorDefTypeWithProviders`, then the actual
        // `InjectorDef` is on its `ngModule`.
        if (ngModule !== undefined) {
            def = getInjectorDef(ngModule);
        }
        // If no definition was found, it might be from exports. Remove it.
        if (def == null) {
            return false;
        }
        // Add providers in the same way that @NgModule resolution did:
        // First, include providers from any imports.
        if (def.imports != null && !isDuplicate) {
            // Before processing defType's imports, add it to the set of parents. This way, if it ends
            // up deeply importing itself, this can be detected.
            ngDevMode && parents.push(defType);
            // Add it to the set of dedups. This way we can detect multiple imports of the same module
            dedupStack.push(defType);
            let importTypesWithProviders;
            try {
                deepForEach(def.imports, imported => {
                    if (this.processInjectorType(imported, parents, dedupStack)) {
                        if (importTypesWithProviders === undefined)
                            importTypesWithProviders = [];
                        // If the processed import is an injector type with providers, we store it in the
                        // list of import types with providers, so that we can process those afterwards.
                        importTypesWithProviders.push(imported);
                    }
                });
            }
            finally {
                // Remove it from the parents set when finished.
                ngDevMode && parents.pop();
            }
            // Imports which are declared with providers (TypeWithProviders) need to be processed
            // after all imported modules are processed. This is similar to how View Engine
            // processes/merges module imports in the metadata resolver. See: FW-1349.
            if (importTypesWithProviders !== undefined) {
                for (let i = 0; i < importTypesWithProviders.length; i++) {
                    const { ngModule, providers } = importTypesWithProviders[i];
                    deepForEach(providers, provider => this.processProvider(provider, ngModule, providers || EMPTY_ARRAY));
                }
            }
        }
        // Track the InjectorType and add a provider for it. It's important that this is done after the
        // def's imports.
        this.injectorDefTypes.add(defType);
        const factory = getFactoryDef(defType) || (() => new defType());
        this.records.set(defType, makeRecord(factory, NOT_YET));
        // Next, include providers listed on the definition itself.
        const defProviders = def.providers;
        if (defProviders != null && !isDuplicate) {
            const injectorType = defOrWrappedDef;
            deepForEach(defProviders, provider => this.processProvider(provider, injectorType, defProviders));
        }
        return (ngModule !== undefined &&
            defOrWrappedDef.providers !== undefined);
    }
    /**
     * Process a `SingleProvider` and add it.
     */
    processProvider(provider, ngModuleType, providers) {
        // Determine the token from the provider. Either it's its own token, or has a {provide: ...}
        // property.
        provider = resolveForwardRef(provider);
        let token = isTypeProvider(provider) ? provider : resolveForwardRef(provider && provider.provide);
        // Construct a `Record` for the provider.
        const record = providerToRecord(provider, ngModuleType, providers);
        if (!isTypeProvider(provider) && provider.multi === true) {
            // If the provider indicates that it's a multi-provider, process it specially.
            // First check whether it's been defined already.
            let multiRecord = this.records.get(token);
            if (multiRecord) {
                // It has. Throw a nice error if
                if (ngDevMode && multiRecord.multi === undefined) {
                    throwMixedMultiProviderError();
                }
            }
            else {
                multiRecord = makeRecord(undefined, NOT_YET, true);
                multiRecord.factory = () => injectArgs(multiRecord.multi);
                this.records.set(token, multiRecord);
            }
            token = provider;
            multiRecord.multi.push(provider);
        }
        else {
            const existing = this.records.get(token);
            if (ngDevMode && existing && existing.multi !== undefined) {
                throwMixedMultiProviderError();
            }
        }
        this.records.set(token, record);
    }
    hydrate(token, record) {
        if (ngDevMode && record.value === CIRCULAR) {
            throwCyclicDependencyError(stringify(token));
        }
        else if (record.value === NOT_YET) {
            record.value = CIRCULAR;
            record.value = record.factory();
        }
        if (typeof record.value === 'object' && record.value && hasOnDestroy(record.value)) {
            this.onDestroy.add(record.value);
        }
        return record.value;
    }
    injectableDefInScope(def) {
        if (!def.providedIn) {
            return false;
        }
        const providedIn = resolveForwardRef(def.providedIn);
        if (typeof providedIn === 'string') {
            return providedIn === 'any' || (providedIn === this.scope);
        }
        else {
            return this.injectorDefTypes.has(providedIn);
        }
    }
}
function injectableDefOrInjectorDefFactory(token) {
    // Most tokens will have an injectable def directly on them, which specifies a factory directly.
    const injectableDef = getInjectableDef(token);
    const factory = injectableDef !== null ? injectableDef.factory : getFactoryDef(token);
    if (factory !== null) {
        return factory;
    }
    // InjectionTokens should have an injectable def (ɵprov) and thus should be handled above.
    // If it's missing that, it's an error.
    if (token instanceof InjectionToken) {
        throw new Error(`Token ${stringify(token)} is missing a ɵprov definition.`);
    }
    // Undecorated types can sometimes be created if they have no constructor arguments.
    if (token instanceof Function) {
        return getUndecoratedInjectableFactory(token);
    }
    // There was no way to resolve a factory for this token.
    throw new Error('unreachable');
}
function getUndecoratedInjectableFactory(token) {
    // If the token has parameters then it has dependencies that we cannot resolve implicitly.
    const paramLength = token.length;
    if (paramLength > 0) {
        const args = newArray(paramLength, '?');
        throw new Error(`Can't resolve all parameters for ${stringify(token)}: (${args.join(', ')}).`);
    }
    // The constructor function appears to have no parameters.
    // This might be because it inherits from a super-class. In which case, use an injectable
    // def from an ancestor if there is one.
    // Otherwise this really is a simple class with no dependencies, so return a factory that
    // just instantiates the zero-arg constructor.
    const inheritedInjectableDef = getInheritedInjectableDef(token);
    if (inheritedInjectableDef !== null) {
        return () => inheritedInjectableDef.factory(token);
    }
    else {
        return () => new token();
    }
}
function providerToRecord(provider, ngModuleType, providers) {
    if (isValueProvider(provider)) {
        return makeRecord(undefined, provider.useValue);
    }
    else {
        const factory = providerToFactory(provider, ngModuleType, providers);
        return makeRecord(factory, NOT_YET);
    }
}
/**
 * Converts a `SingleProvider` into a factory function.
 *
 * @param provider provider to convert to factory
 */
function providerToFactory(provider, ngModuleType, providers) {
    let factory = undefined;
    if (isTypeProvider(provider)) {
        const unwrappedProvider = resolveForwardRef(provider);
        return getFactoryDef(unwrappedProvider) || injectableDefOrInjectorDefFactory(unwrappedProvider);
    }
    else {
        if (isValueProvider(provider)) {
            factory = () => resolveForwardRef(provider.useValue);
        }
        else if (isFactoryProvider(provider)) {
            factory = () => provider.useFactory(...injectArgs(provider.deps || []));
        }
        else if (isExistingProvider(provider)) {
            factory = () => ɵɵinject(resolveForwardRef(provider.useExisting));
        }
        else {
            const classRef = resolveForwardRef(provider &&
                (provider.useClass || provider.provide));
            if (ngDevMode && !classRef) {
                throwInvalidProviderError(ngModuleType, providers, provider);
            }
            if (hasDeps(provider)) {
                factory = () => new (classRef)(...injectArgs(provider.deps));
            }
            else {
                return getFactoryDef(classRef) || injectableDefOrInjectorDefFactory(classRef);
            }
        }
    }
    return factory;
}
function makeRecord(factory, value, multi = false) {
    return {
        factory: factory,
        value: value,
        multi: multi ? [] : undefined,
    };
}
function isValueProvider(value) {
    return value !== null && typeof value == 'object' && USE_VALUE in value;
}
function isExistingProvider(value) {
    return !!(value && value.useExisting);
}
function isFactoryProvider(value) {
    return !!(value && value.useFactory);
}
function isTypeProvider(value) {
    return typeof value === 'function';
}
function isClassProvider(value) {
    return !!value.useClass;
}
function hasDeps(value) {
    return !!value.deps;
}
function hasOnDestroy(value) {
    return value !== null && typeof value === 'object' &&
        typeof value.ngOnDestroy === 'function';
}
function couldBeInjectableType(value) {
    return (typeof value === 'function') ||
        (typeof value === 'object' && value instanceof InjectionToken);
}

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
function INJECTOR_IMPL__PRE_R3__(providers, parent, name) {
    return new StaticInjector(providers, parent, name);
}
function INJECTOR_IMPL__POST_R3__(providers, parent, name) {
    return createInjector({ name: name }, parent, providers, name);
}
const INJECTOR_IMPL = INJECTOR_IMPL__POST_R3__;
/**
 * Concrete injectors implement this interface. Injectors are configured
 * with [providers](guide/glossary#provider) that associate
 * dependencies of various types with [injection tokens](guide/glossary#di-token).
 *
 * @see ["DI Providers"](guide/dependency-injection-providers).
 * @see `StaticProvider`
 *
 * @usageNotes
 *
 *  The following example creates a service injector instance.
 *
 * {@example core/di/ts/provider_spec.ts region='ConstructorProvider'}
 *
 * ### Usage example
 *
 * {@example core/di/ts/injector_spec.ts region='Injector'}
 *
 * `Injector` returns itself when given `Injector` as a token:
 *
 * {@example core/di/ts/injector_spec.ts region='injectInjector'}
 *
 * @publicApi
 */
class Injector {
    static create(options, parent) {
        if (Array.isArray(options)) {
            return INJECTOR_IMPL(options, parent, '');
        }
        else {
            return INJECTOR_IMPL(options.providers, options.parent, options.name || '');
        }
    }
}
Injector.THROW_IF_NOT_FOUND = THROW_IF_NOT_FOUND;
Injector.NULL = new NullInjector();
/** @nocollapse */
Injector.ɵprov = ɵɵdefineInjectable({
    token: Injector,
    providedIn: 'any',
    factory: () => ɵɵinject(INJECTOR$1),
});
/**
 * @internal
 * @nocollapse
 */
Injector.__NG_ELEMENT_ID__ = -1 /* Injector */;
const IDENT = function (value) {
    return value;
};
const ɵ0$6 = IDENT;
const EMPTY = [];
const CIRCULAR$1 = IDENT;
const MULTI_PROVIDER_FN = function () {
    return Array.prototype.slice.call(arguments);
};
const ɵ1$1 = MULTI_PROVIDER_FN;
const NO_NEW_LINE$1 = 'ɵ';
class StaticInjector {
    constructor(providers, parent = Injector.NULL, source = null) {
        this.parent = parent;
        this.source = source;
        const records = this._records = new Map();
        records.set(Injector, { token: Injector, fn: IDENT, deps: EMPTY, value: this, useNew: false });
        records.set(INJECTOR$1, { token: INJECTOR$1, fn: IDENT, deps: EMPTY, value: this, useNew: false });
        this.scope = recursivelyProcessProviders(records, providers);
    }
    get(token, notFoundValue, flags = InjectFlags.Default) {
        const records = this._records;
        let record = records.get(token);
        if (record === undefined) {
            // This means we have never seen this record, see if it is tree shakable provider.
            const injectableDef = getInjectableDef(token);
            if (injectableDef) {
                const providedIn = injectableDef && resolveForwardRef(injectableDef.providedIn);
                if (providedIn === 'any' || providedIn != null && providedIn === this.scope) {
                    records.set(token, record = resolveProvider({ provide: token, useFactory: injectableDef.factory, deps: EMPTY }));
                }
            }
            if (record === undefined) {
                // Set record to null to make sure that we don't go through expensive lookup above again.
                records.set(token, null);
            }
        }
        let lastInjector = setCurrentInjector(this);
        try {
            return tryResolveToken(token, record, records, this.parent, notFoundValue, flags);
        }
        catch (e) {
            return catchInjectorError(e, token, 'StaticInjectorError', this.source);
        }
        finally {
            setCurrentInjector(lastInjector);
        }
    }
    toString() {
        const tokens = [], records = this._records;
        records.forEach((v, token) => tokens.push(stringify(token)));
        return `StaticInjector[${tokens.join(', ')}]`;
    }
}
function resolveProvider(provider) {
    const deps = computeDeps(provider);
    let fn = IDENT;
    let value = EMPTY;
    let useNew = false;
    let provide = resolveForwardRef(provider.provide);
    if (USE_VALUE in provider) {
        // We need to use USE_VALUE in provider since provider.useValue could be defined as undefined.
        value = provider.useValue;
    }
    else if (provider.useFactory) {
        fn = provider.useFactory;
    }
    else if (provider.useExisting) {
        // Just use IDENT
    }
    else if (provider.useClass) {
        useNew = true;
        fn = resolveForwardRef(provider.useClass);
    }
    else if (typeof provide == 'function') {
        useNew = true;
        fn = provide;
    }
    else {
        throw staticError('StaticProvider does not have [useValue|useFactory|useExisting|useClass] or [provide] is not newable', provider);
    }
    return { deps, fn, useNew, value };
}
function multiProviderMixError(token) {
    return staticError('Cannot mix multi providers and regular providers', token);
}
function recursivelyProcessProviders(records, provider) {
    let scope = null;
    if (provider) {
        provider = resolveForwardRef(provider);
        if (Array.isArray(provider)) {
            // if we have an array recurse into the array
            for (let i = 0; i < provider.length; i++) {
                scope = recursivelyProcessProviders(records, provider[i]) || scope;
            }
        }
        else if (typeof provider === 'function') {
            // Functions were supported in ReflectiveInjector, but are not here. For safety give useful
            // error messages
            throw staticError('Function/Class not supported', provider);
        }
        else if (provider && typeof provider === 'object' && provider.provide) {
            // At this point we have what looks like a provider: {provide: ?, ....}
            let token = resolveForwardRef(provider.provide);
            const resolvedProvider = resolveProvider(provider);
            if (provider.multi === true) {
                // This is a multi provider.
                let multiProvider = records.get(token);
                if (multiProvider) {
                    if (multiProvider.fn !== MULTI_PROVIDER_FN) {
                        throw multiProviderMixError(token);
                    }
                }
                else {
                    // Create a placeholder factory which will look up the constituents of the multi provider.
                    records.set(token, multiProvider = {
                        token: provider.provide,
                        deps: [],
                        useNew: false,
                        fn: MULTI_PROVIDER_FN,
                        value: EMPTY
                    });
                }
                // Treat the provider as the token.
                token = provider;
                multiProvider.deps.push({ token, options: 6 /* Default */ });
            }
            const record = records.get(token);
            if (record && record.fn == MULTI_PROVIDER_FN) {
                throw multiProviderMixError(token);
            }
            if (token === INJECTOR_SCOPE) {
                scope = resolvedProvider.value;
            }
            records.set(token, resolvedProvider);
        }
        else {
            throw staticError('Unexpected provider', provider);
        }
    }
    return scope;
}
function tryResolveToken(token, record, records, parent, notFoundValue, flags) {
    try {
        return resolveToken(token, record, records, parent, notFoundValue, flags);
    }
    catch (e) {
        // ensure that 'e' is of type Error.
        if (!(e instanceof Error)) {
            e = new Error(e);
        }
        const path = e[NG_TEMP_TOKEN_PATH] = e[NG_TEMP_TOKEN_PATH] || [];
        path.unshift(token);
        if (record && record.value == CIRCULAR$1) {
            // Reset the Circular flag.
            record.value = EMPTY;
        }
        throw e;
    }
}
function resolveToken(token, record, records, parent, notFoundValue, flags) {
    let value;
    if (record && !(flags & InjectFlags.SkipSelf)) {
        // If we don't have a record, this implies that we don't own the provider hence don't know how
        // to resolve it.
        value = record.value;
        if (value == CIRCULAR$1) {
            throw Error(NO_NEW_LINE$1 + 'Circular dependency');
        }
        else if (value === EMPTY) {
            record.value = CIRCULAR$1;
            let obj = undefined;
            let useNew = record.useNew;
            let fn = record.fn;
            let depRecords = record.deps;
            let deps = EMPTY;
            if (depRecords.length) {
                deps = [];
                for (let i = 0; i < depRecords.length; i++) {
                    const depRecord = depRecords[i];
                    const options = depRecord.options;
                    const childRecord = options & 2 /* CheckSelf */ ? records.get(depRecord.token) : undefined;
                    deps.push(tryResolveToken(
                    // Current Token to resolve
                    depRecord.token, 
                    // A record which describes how to resolve the token.
                    // If undefined, this means we don't have such a record
                    childRecord, 
                    // Other records we know about.
                    records, 
                    // If we don't know how to resolve dependency and we should not check parent for it,
                    // than pass in Null injector.
                    !childRecord && !(options & 4 /* CheckParent */) ? Injector.NULL : parent, options & 1 /* Optional */ ? null : Injector.THROW_IF_NOT_FOUND, InjectFlags.Default));
                }
            }
            record.value = value = useNew ? new fn(...deps) : fn.apply(obj, deps);
        }
    }
    else if (!(flags & InjectFlags.Self)) {
        value = parent.get(token, notFoundValue, InjectFlags.Default);
    }
    else if (!(flags & InjectFlags.Optional)) {
        value = Injector.NULL.get(token, notFoundValue);
    }
    else {
        value = Injector.NULL.get(token, typeof notFoundValue !== 'undefined' ? notFoundValue : null);
    }
    return value;
}
function computeDeps(provider) {
    let deps = EMPTY;
    const providerDeps = provider.deps;
    if (providerDeps && providerDeps.length) {
        deps = [];
        for (let i = 0; i < providerDeps.length; i++) {
            let options = 6 /* Default */;
            let token = resolveForwardRef(providerDeps[i]);
            if (Array.isArray(token)) {
                for (let j = 0, annotations = token; j < annotations.length; j++) {
                    const annotation = annotations[j];
                    if (annotation instanceof Optional || annotation == Optional) {
                        options = options | 1 /* Optional */;
                    }
                    else if (annotation instanceof SkipSelf || annotation == SkipSelf) {
                        options = options & ~2 /* CheckSelf */;
                    }
                    else if (annotation instanceof Self || annotation == Self) {
                        options = options & ~4 /* CheckParent */;
                    }
                    else if (annotation instanceof Inject) {
                        token = annotation.token;
                    }
                    else {
                        token = resolveForwardRef(annotation);
                    }
                }
            }
            deps.push({ token, options });
        }
    }
    else if (provider.useExisting) {
        const token = resolveForwardRef(provider.useExisting);
        deps = [{ token, options: 6 /* Default */ }];
    }
    else if (!providerDeps && !(USE_VALUE in provider)) {
        // useValue & useExisting are the only ones which are exempt from deps all others need it.
        throw staticError('\'deps\' required', provider);
    }
    return deps;
}
function staticError(text, obj) {
    return new Error(formatError(text, obj, 'StaticInjectorError'));
}

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
/**
 * Retrieves the component instance associated with a given DOM element.
 *
 * @usageNotes
 * Given the following DOM structure:
 *
 * ```html
 * <app-root>
 *   <div>
 *     <child-comp></child-comp>
 *   </div>
 * </app-root>
 * ```
 *
 * Calling `getComponent` on `<child-comp>` will return the instance of `ChildComponent`
 * associated with this DOM element.
 *
 * Calling the function on `<app-root>` will return the `MyApp` instance.
 *
 *
 * @param element DOM element from which the component should be retrieved.
 * @returns Component instance associated with the element or `null` if there
 *    is no component associated with it.
 *
 * @publicApi
 * @globalApi ng
 */
function getComponent(element) {
    assertDomElement(element);
    const context = getLContext(element);
    if (context === null)
        return null;
    if (context.component === undefined) {
        context.component = getComponentAtNodeIndex(context.nodeIndex, context.lView);
    }
    return context.component;
}
/**
 * If inside an embedded view (e.g. `*ngIf` or `*ngFor`), retrieves the context of the embedded
 * view that the element is part of. Otherwise retrieves the instance of the component whose view
 * owns the element (in this case, the result is the same as calling `getOwningComponent`).
 *
 * @param element Element for which to get the surrounding component instance.
 * @returns Instance of the component that is around the element or null if the element isn't
 *    inside any component.
 *
 * @publicApi
 * @globalApi ng
 */
function getContext(element) {
    assertDomElement(element);
    const context = getLContext(element);
    return context === null ? null : context.lView[CONTEXT];
}
/**
 * Retrieves the component instance whose view contains the DOM element.
 *
 * For example, if `<child-comp>` is used in the template of `<app-comp>`
 * (i.e. a `ViewChild` of `<app-comp>`), calling `getOwningComponent` on `<child-comp>`
 * would return `<app-comp>`.
 *
 * @param elementOrDir DOM element, component or directive instance
 *    for which to retrieve the root components.
 * @returns Component instance whose view owns the DOM element or null if the element is not
 *    part of a component view.
 *
 * @publicApi
 * @globalApi ng
 */
function getOwningComponent(elementOrDir) {
    const context = getLContext(elementOrDir);
    if (context === null)
        return null;
    let lView = context.lView;
    let parent;
    ngDevMode && assertLView(lView);
    while (lView[TVIEW].type === 2 /* Embedded */ && (parent = getLViewParent(lView))) {
        lView = parent;
    }
    return lView[FLAGS] & 512 /* IsRoot */ ? null : lView[CONTEXT];
}
/**
 * Retrieves all root components associated with a DOM element, directive or component instance.
 * Root components are those which have been bootstrapped by Angular.
 *
 * @param elementOrDir DOM element, component or directive instance
 *    for which to retrieve the root components.
 * @returns Root components associated with the target object.
 *
 * @publicApi
 * @globalApi ng
 */
function getRootComponents(elementOrDir) {
    return [...getRootContext(elementOrDir).components];
}
/**
 * Retrieves an `Injector` associated with an element, component or directive instance.
 *
 * @param elementOrDir DOM element, component or directive instance for which to
 *    retrieve the injector.
 * @returns Injector associated with the element, component or directive instance.
 *
 * @publicApi
 * @globalApi ng
 */
function getInjector(elementOrDir) {
    const context = getLContext(elementOrDir);
    if (context === null)
        return Injector.NULL;
    const tNode = context.lView[TVIEW].data[context.nodeIndex];
    return new NodeInjector(tNode, context.lView);
}
/**
 * Retrieve a set of injection tokens at a given DOM node.
 *
 * @param element Element for which the injection tokens should be retrieved.
 */
function getInjectionTokens(element) {
    const context = getLContext(element);
    if (context === null)
        return [];
    const lView = context.lView;
    const tView = lView[TVIEW];
    const tNode = tView.data[context.nodeIndex];
    const providerTokens = [];
    const startIndex = tNode.providerIndexes & 1048575 /* ProvidersStartIndexMask */;
    const endIndex = tNode.directiveEnd;
    for (let i = startIndex; i < endIndex; i++) {
        let value = tView.data[i];
        if (isDirectiveDefHack(value)) {
            // The fact that we sometimes store Type and sometimes DirectiveDef in this location is a
            // design flaw.  We should always store same type so that we can be monomorphic. The issue
            // is that for Components/Directives we store the def instead the type. The correct behavior
            // is that we should always be storing injectable type in this location.
            value = value.type;
        }
        providerTokens.push(value);
    }
    return providerTokens;
}
/**
 * Retrieves directive instances associated with a given DOM node. Does not include
 * component instances.
 *
 * @usageNotes
 * Given the following DOM structure:
 *
 * ```html
 * <app-root>
 *   <button my-button></button>
 *   <my-comp></my-comp>
 * </app-root>
 * ```
 *
 * Calling `getDirectives` on `<button>` will return an array with an instance of the `MyButton`
 * directive that is associated with the DOM node.
 *
 * Calling `getDirectives` on `<my-comp>` will return an empty array.
 *
 * @param node DOM node for which to get the directives.
 * @returns Array of directives associated with the node.
 *
 * @publicApi
 * @globalApi ng
 */
function getDirectives(node) {
    // Skip text nodes because we can't have directives associated with them.
    if (node instanceof Text) {
        return [];
    }
    const context = getLContext(node);
    if (context === null) {
        return [];
    }
    const lView = context.lView;
    const tView = lView[TVIEW];
    const nodeIndex = context.nodeIndex;
    if (!(tView === null || tView === void 0 ? void 0 : tView.data[nodeIndex])) {
        return [];
    }
    if (context.directives === undefined) {
        context.directives = getDirectivesAtNodeIndex(nodeIndex, lView, false);
    }
    // The `directives` in this case are a named array called `LComponentView`. Clone the
    // result so we don't expose an internal data structure in the user's console.
    return context.directives === null ? [] : [...context.directives];
}
/**
 * Returns the debug (partial) metadata for a particular directive or component instance.
 * The function accepts an instance of a directive or component and returns the corresponding
 * metadata.
 *
 * @param directiveOrComponentInstance Instance of a directive or component
 * @returns metadata of the passed directive or component
 *
 * @publicApi
 * @globalApi ng
 */
function getDirectiveMetadata(directiveOrComponentInstance) {
    const { constructor } = directiveOrComponentInstance;
    if (!constructor) {
        throw new Error('Unable to find the instance constructor');
    }
    // In case a component inherits from a directive, we may have component and directive metadata
    // To ensure we don't get the metadata of the directive, we want to call `getComponentDef` first.
    const componentDef = getComponentDef(constructor);
    if (componentDef) {
        return {
            inputs: componentDef.inputs,
            outputs: componentDef.outputs,
            encapsulation: componentDef.encapsulation,
            changeDetection: componentDef.onPush ? ChangeDetectionStrategy.OnPush :
                ChangeDetectionStrategy.Default
        };
    }
    const directiveDef = getDirectiveDef(constructor);
    if (directiveDef) {
        return { inputs: directiveDef.inputs, outputs: directiveDef.outputs };
    }
    return null;
}
/**
 * Retrieve map of local references.
 *
 * The references are retrieved as a map of local reference name to element or directive instance.
 *
 * @param target DOM element, component or directive instance for which to retrieve
 *    the local references.
 */
function getLocalRefs(target) {
    const context = getLContext(target);
    if (context === null)
        return {};
    if (context.localRefs === undefined) {
        context.localRefs = discoverLocalRefs(context.lView, context.nodeIndex);
    }
    return context.localRefs || {};
}
/**
 * Retrieves the host element of a component or directive instance.
 * The host element is the DOM element that matched the selector of the directive.
 *
 * @param componentOrDirective Component or directive instance for which the host
 *     element should be retrieved.
 * @returns Host element of the target.
 *
 * @publicApi
 * @globalApi ng
 */
function getHostElement(componentOrDirective) {
    return getLContext(componentOrDirective).native;
}
/**
 * Retrieves the rendered text for a given component.
 *
 * This function retrieves the host element of a component and
 * and then returns the `textContent` for that element. This implies
 * that the text returned will include re-projected content of
 * the component as well.
 *
 * @param component The component to return the content text for.
 */
function getRenderedText(component) {
    const hostElement = getHostElement(component);
    return hostElement.textContent || '';
}
/**
 * Retrieves a list of event listeners associated with a DOM element. The list does include host
 * listeners, but it does not include event listeners defined outside of the Angular context
 * (e.g. through `addEventListener`).
 *
 * @usageNotes
 * Given the following DOM structure:
 *
 * ```html
 * <app-root>
 *   <div (click)="doSomething()"></div>
 * </app-root>
 * ```
 *
 * Calling `getListeners` on `<div>` will return an object that looks as follows:
 *
 * ```ts
 * {
 *   name: 'click',
 *   element: <div>,
 *   callback: () => doSomething(),
 *   useCapture: false
 * }
 * ```
 *
 * @param element Element for which the DOM listeners should be retrieved.
 * @returns Array of event listeners on the DOM element.
 *
 * @publicApi
 * @globalApi ng
 */
function getListeners(element) {
    assertDomElement(element);
    const lContext = getLContext(element);
    if (lContext === null)
        return [];
    const lView = lContext.lView;
    const tView = lView[TVIEW];
    const lCleanup = lView[CLEANUP];
    const tCleanup = tView.cleanup;
    const listeners = [];
    if (tCleanup && lCleanup) {
        for (let i = 0; i < tCleanup.length;) {
            const firstParam = tCleanup[i++];
            const secondParam = tCleanup[i++];
            if (typeof firstParam === 'string') {
                const name = firstParam;
                const listenerElement = unwrapRNode(lView[secondParam]);
                const callback = lCleanup[tCleanup[i++]];
                const useCaptureOrIndx = tCleanup[i++];
                // if useCaptureOrIndx is boolean then report it as is.
                // if useCaptureOrIndx is positive number then it in unsubscribe method
                // if useCaptureOrIndx is negative number then it is a Subscription
                const type = (typeof useCaptureOrIndx === 'boolean' || useCaptureOrIndx >= 0) ? 'dom' : 'output';
                const useCapture = typeof useCaptureOrIndx === 'boolean' ? useCaptureOrIndx : false;
                if (element == listenerElement) {
                    listeners.push({ element, name, callback, useCapture, type });
                }
            }
        }
    }
    listeners.sort(sortListeners);
    return listeners;
}
function sortListeners(a, b) {
    if (a.name == b.name)
        return 0;
    return a.name < b.name ? -1 : 1;
}
/**
 * This function should not exist because it is megamorphic and only mostly correct.
 *
 * See call site for more info.
 */
function isDirectiveDefHack(obj) {
    return obj.type !== undefined && obj.template !== undefined && obj.declaredInputs !== undefined;
}
/**
 * Returns the attached `DebugNode` instance for an element in the DOM.
 *
 * @param element DOM element which is owned by an existing component's view.
 */
function getDebugNode(element) {
    if (ngDevMode && !(element instanceof Node)) {
        throw new Error('Expecting instance of DOM Element');
    }
    const lContext = getLContext(element);
    if (lContext === null) {
        return null;
    }
    const lView = lContext.lView;
    const nodeIndex = lContext.nodeIndex;
    if (nodeIndex !== -1) {
        const valueInLView = lView[nodeIndex];
        // this means that value in the lView is a component with its own
        // data. In this situation the TNode is not accessed at the same spot.
        const tNode = isLView(valueInLView) ? valueInLView[T_HOST] : getTNode(lView[TVIEW], nodeIndex);
        ngDevMode &&
            assertEqual(tNode.index, nodeIndex, 'Expecting that TNode at index is same as index');
        return buildDebugNode(tNode, lView);
    }
    return null;
}
/**
 * Retrieve the component `LView` from component/element.
 *
 * NOTE: `LView` is a private and should not be leaked outside.
 *       Don't export this method to `ng.*` on window.
 *
 * @param target DOM element or component instance for which to retrieve the LView.
 */
function getComponentLView(target) {
    const lContext = getLContext(target);
    const nodeIndx = lContext.nodeIndex;
    const lView = lContext.lView;
    const componentLView = lView[nodeIndx];
    ngDevMode && assertLView(componentLView);
    return componentLView;
}
/** Asserts that a value is a DOM Element. */
function assertDomElement(value) {
    if (typeof Element !== 'undefined' && !(value instanceof Element)) {
        throw new Error('Expecting instance of DOM Element');
    }
}

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
/**
 * Marks a component for check (in case of OnPush components) and synchronously
 * performs change detection on the application this component belongs to.
 *
 * @param component Component to {@link ChangeDetectorRef#markForCheck mark for check}.
 *
 * @publicApi
 * @globalApi ng
 */
function applyChanges(component) {
    markDirty(component);
    getRootComponents(component).forEach(rootComponent => detectChanges(rootComponent));
}

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
/**
 * This file introduces series of globally accessible debug tools
 * to allow for the Angular debugging story to function.
 *
 * To see this in action run the following command:
 *
 *   bazel run --config=ivy
 *   //packages/core/test/bundling/todo:devserver
 *
 *  Then load `localhost:5432` and start using the console tools.
 */
/**
 * This value reflects the property on the window where the dev
 * tools are patched (window.ng).
 * */
const GLOBAL_PUBLISH_EXPANDO_KEY = 'ng';
let _published = false;
/**
 * Publishes a collection of default debug tools onto`window.ng`.
 *
 * These functions are available globally when Angular is in development
 * mode and are automatically stripped away from prod mode is on.
 */
function publishDefaultGlobalUtils() {
    if (!_published) {
        _published = true;
        /**
         * Warning: this function is *INTERNAL* and should not be relied upon in application's code.
         * The contract of the function might be changed in any release and/or the function can be
         * removed completely.
         */
        publishGlobalUtil('ɵsetProfiler', setProfiler);
        publishGlobalUtil('getDirectiveMetadata', getDirectiveMetadata);
        publishGlobalUtil('getComponent', getComponent);
        publishGlobalUtil('getContext', getContext);
        publishGlobalUtil('getListeners', getListeners);
        publishGlobalUtil('getOwningComponent', getOwningComponent);
        publishGlobalUtil('getHostElement', getHostElement);
        publishGlobalUtil('getInjector', getInjector);
        publishGlobalUtil('getRootComponents', getRootComponents);
        publishGlobalUtil('getDirectives', getDirectives);
        publishGlobalUtil('applyChanges', applyChanges);
    }
}
/**
 * Publishes the given function to `window.ng` so that it can be
 * used from the browser console when an application is not in production.
 */
function publishGlobalUtil(name, fn) {
    if (typeof COMPILED === 'undefined' || !COMPILED) {
        // Note: we can't export `ng` when using closure enhanced optimization as:
        // - closure declares globals itself for minified names, which sometimes clobber our `ng` global
        // - we can't declare a closure extern as the namespace `ng` is already used within Google
        //   for typings for AngularJS (via `goog.provide('ng....')`).
        const w = _global;
        ngDevMode && assertDefined(fn, 'function not defined');
        if (w) {
            let container = w[GLOBAL_PUBLISH_EXPANDO_KEY];
            if (!container) {
                container = w[GLOBAL_PUBLISH_EXPANDO_KEY] = {};
            }
            container[name] = fn;
        }
    }
}

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
const ɵ0$7 = (token, notFoundValue) => {
    throwProviderNotFoundError(token, 'NullInjector');
};
// TODO: A hack to not pull in the NullInjector from @angular/core.
const NULL_INJECTOR$1 = {
    get: ɵ0$7
};
/**
 * Bootstraps a Component into an existing host element and returns an instance
 * of the component.
 *
 * Use this function to bootstrap a component into the DOM tree. Each invocation
 * of this function will create a separate tree of components, injectors and
 * change detection cycles and lifetimes. To dynamically insert a new component
 * into an existing tree such that it shares the same injection, change detection
 * and object lifetime, use {@link ViewContainer#createComponent}.
 *
 * @param componentType Component to bootstrap
 * @param options Optional parameters which control bootstrapping
 */
function renderComponent$1(componentType /* Type as workaround for: Microsoft/TypeScript/issues/4881 */, opts = {}) {
    ngDevMode && publishDefaultGlobalUtils();
    ngDevMode && assertComponentType(componentType);
    const rendererFactory = opts.rendererFactory || domRendererFactory3;
    const sanitizer = opts.sanitizer || null;
    const componentDef = getComponentDef(componentType);
    if (componentDef.type != componentType)
        componentDef.type = componentType;
    // The first index of the first selector is the tag name.
    const componentTag = componentDef.selectors[0][0];
    const hostRenderer = rendererFactory.createRenderer(null, null);
    const hostRNode = locateHostElement(hostRenderer, opts.host || componentTag, componentDef.encapsulation);
    const rootFlags = componentDef.onPush ? 64 /* Dirty */ | 512 /* IsRoot */ :
        16 /* CheckAlways */ | 512 /* IsRoot */;
    const rootContext = createRootContext(opts.scheduler, opts.playerHandler);
    const renderer = rendererFactory.createRenderer(hostRNode, componentDef);
    const rootTView = createTView(0 /* Root */, null, null, 1, 0, null, null, null, null, null);
    const rootView = createLView(null, rootTView, rootContext, rootFlags, null, null, rendererFactory, renderer, null, opts.injector || null);
    enterView(rootView);
    let component;
    try {
        if (rendererFactory.begin)
            rendererFactory.begin();
        const componentView = createRootComponentView(hostRNode, componentDef, rootView, rendererFactory, renderer, sanitizer);
        component = createRootComponent(componentView, componentDef, rootView, rootContext, opts.hostFeatures || null);
        // create mode pass
        renderView(rootTView, rootView, null);
        // update mode pass
        refreshView(rootTView, rootView, null, null);
    }
    finally {
        leaveView();
        if (rendererFactory.end)
            rendererFactory.end();
    }
    return component;
}
/**
 * Creates the root component view and the root component node.
 *
 * @param rNode Render host element.
 * @param def ComponentDef
 * @param rootView The parent view where the host node is stored
 * @param rendererFactory Factory to be used for creating child renderers.
 * @param hostRenderer The current renderer
 * @param sanitizer The sanitizer, if provided
 *
 * @returns Component view created
 */
function createRootComponentView(rNode, def, rootView, rendererFactory, hostRenderer, sanitizer) {
    const tView = rootView[TVIEW];
    const index = HEADER_OFFSET;
    ngDevMode && assertIndexInRange(rootView, index);
    rootView[index] = rNode;
    // '#host' is added here as we don't know the real host DOM name (we don't want to read it) and at
    // the same time we want to communicate the debug `TNode` that this is a special `TNode`
    // representing a host element.
    const tNode = getOrCreateTNode(tView, index, 2 /* Element */, '#host', null);
    const mergedAttrs = tNode.mergedAttrs = def.hostAttrs;
    if (mergedAttrs !== null) {
        computeStaticStyling(tNode, mergedAttrs, true);
        if (rNode !== null) {
            setUpAttributes(hostRenderer, rNode, mergedAttrs);
            if (tNode.classes !== null) {
                writeDirectClass(hostRenderer, rNode, tNode.classes);
            }
            if (tNode.styles !== null) {
                writeDirectStyle(hostRenderer, rNode, tNode.styles);
            }
        }
    }
    const viewRenderer = rendererFactory.createRenderer(rNode, def);
    const componentView = createLView(rootView, getOrCreateTComponentView(def), null, def.onPush ? 64 /* Dirty */ : 16 /* CheckAlways */, rootView[index], tNode, rendererFactory, viewRenderer, sanitizer || null, null);
    if (tView.firstCreatePass) {
        diPublicInInjector(getOrCreateNodeInjectorForNode(tNode, rootView), tView, def.type);
        markAsComponentHost(tView, tNode);
        initTNodeFlags(tNode, rootView.length, 1);
    }
    addToViewTree(rootView, componentView);
    // Store component view at node index, with node as the HOST
    return rootView[index] = componentView;
}
/**
 * Creates a root component and sets it up with features and host bindings. Shared by
 * renderComponent() and ViewContainerRef.createComponent().
 */
function createRootComponent(componentView, componentDef, rootLView, rootContext, hostFeatures) {
    const tView = rootLView[TVIEW];
    // Create directive instance with factory() and store at next index in viewData
    const component = instantiateRootComponent(tView, rootLView, componentDef);
    rootContext.components.push(component);
    componentView[CONTEXT] = component;
    hostFeatures && hostFeatures.forEach((feature) => feature(component, componentDef));
    // We want to generate an empty QueryList for root content queries for backwards
    // compatibility with ViewEngine.
    if (componentDef.contentQueries) {
        const tNode = getCurrentTNode();
        ngDevMode && assertDefined(tNode, 'TNode expected');
        componentDef.contentQueries(1 /* Create */, component, tNode.directiveStart);
    }
    const rootTNode = getCurrentTNode();
    ngDevMode && assertDefined(rootTNode, 'tNode should have been already created');
    if (tView.firstCreatePass &&
        (componentDef.hostBindings !== null || componentDef.hostAttrs !== null)) {
        setSelectedIndex(rootTNode.index);
        const rootTView = rootLView[TVIEW];
        registerHostBindingOpCodes(rootTView, rootTNode, rootLView, rootTNode.directiveStart, rootTNode.directiveEnd, componentDef);
        invokeHostBindingsInCreationMode(componentDef, component);
    }
    return component;
}
function createRootContext(scheduler, playerHandler) {
    return {
        components: [],
        scheduler: scheduler || defaultScheduler,
        clean: CLEAN_PROMISE,
        playerHandler: playerHandler || null,
        flags: 0 /* Empty */
    };
}
/**
 * Used to enable lifecycle hooks on the root component.
 *
 * Include this feature when calling `renderComponent` if the root component
 * you are rendering has lifecycle hooks defined. Otherwise, the hooks won't
 * be called properly.
 *
 * Example:
 *
 * ```
 * renderComponent(AppComponent, {hostFeatures: [LifecycleHooksFeature]});
 * ```
 */
function LifecycleHooksFeature(component, def) {
    const lView = readPatchedLView(component);
    ngDevMode && assertDefined(lView, 'LView is required');
    const tView = lView[TVIEW];
    const tNode = getCurrentTNode();
    ngDevMode && assertDefined(tNode, 'TNode is required');
    registerPostOrderHooks(tView, tNode);
}
/**
 * Wait on component until it is rendered.
 *
 * This function returns a `Promise` which is resolved when the component's
 * change detection is executed. This is determined by finding the scheduler
 * associated with the `component`'s render tree and waiting until the scheduler
 * flushes. If nothing is scheduled, the function returns a resolved promise.
 *
 * Example:
 * ```
 * await whenRendered(myComponent);
 * ```
 *
 * @param component Component to wait upon
 * @returns Promise which resolves when the component is rendered.
 */
function whenRendered(component) {
    return getRootContext(component).clean;
}

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
function getSuperType(type) {
    return Object.getPrototypeOf(type.prototype).constructor;
}
/**
 * Merges the definition from a super class to a sub class.
 * @param definition The definition that is a SubClass of another directive of component
 *
 * @codeGenApi
 */
function ɵɵInheritDefinitionFeature(definition) {
    let superType = getSuperType(definition.type);
    let shouldInheritFields = true;
    const inheritanceChain = [definition];
    while (superType) {
        let superDef = undefined;
        if (isComponentDef(definition)) {
            // Don't use getComponentDef/getDirectiveDef. This logic relies on inheritance.
            superDef = superType.ɵcmp || superType.ɵdir;
        }
        else {
            if (superType.ɵcmp) {
                throw new Error('Directives cannot inherit Components');
            }
            // Don't use getComponentDef/getDirectiveDef. This logic relies on inheritance.
            superDef = superType.ɵdir;
        }
        if (superDef) {
            if (shouldInheritFields) {
                inheritanceChain.push(superDef);
                // Some fields in the definition may be empty, if there were no values to put in them that
                // would've justified object creation. Unwrap them if necessary.
                const writeableDef = definition;
                writeableDef.inputs = maybeUnwrapEmpty(definition.inputs);
                writeableDef.declaredInputs = maybeUnwrapEmpty(definition.declaredInputs);
                writeableDef.outputs = maybeUnwrapEmpty(definition.outputs);
                // Merge hostBindings
                const superHostBindings = superDef.hostBindings;
                superHostBindings && inheritHostBindings(definition, superHostBindings);
                // Merge queries
                const superViewQuery = superDef.viewQuery;
                const superContentQueries = superDef.contentQueries;
                superViewQuery && inheritViewQuery(definition, superViewQuery);
                superContentQueries && inheritContentQueries(definition, superContentQueries);
                // Merge inputs and outputs
                fillProperties(definition.inputs, superDef.inputs);
                fillProperties(definition.declaredInputs, superDef.declaredInputs);
                fillProperties(definition.outputs, superDef.outputs);
                // Merge animations metadata.
                // If `superDef` is a Component, the `data` field is present (defaults to an empty object).
                if (isComponentDef(superDef) && superDef.data.animation) {
                    // If super def is a Component, the `definition` is also a Component, since Directives can
                    // not inherit Components (we throw an error above and cannot reach this code).
                    const defData = definition.data;
                    defData.animation = (defData.animation || []).concat(superDef.data.animation);
                }
            }
            // Run parent features
            const features = superDef.features;
            if (features) {
                for (let i = 0; i < features.length; i++) {
                    const feature = features[i];
                    if (feature && feature.ngInherit) {
                        feature(definition);
                    }
                    // If `InheritDefinitionFeature` is a part of the current `superDef`, it means that this
                    // def already has all the necessary information inherited from its super class(es), so we
                    // can stop merging fields from super classes. However we need to iterate through the
                    // prototype chain to look for classes that might contain other "features" (like
                    // NgOnChanges), which we should invoke for the original `definition`. We set the
                    // `shouldInheritFields` flag to indicate that, essentially skipping fields inheritance
                    // logic and only invoking functions from the "features" list.
                    if (feature === ɵɵInheritDefinitionFeature) {
                        shouldInheritFields = false;
                    }
                }
            }
        }
        superType = Object.getPrototypeOf(superType);
    }
    mergeHostAttrsAcrossInheritance(inheritanceChain);
}
/**
 * Merge the `hostAttrs` and `hostVars` from the inherited parent to the base class.
 *
 * @param inheritanceChain A list of `WritableDefs` starting at the top most type and listing
 * sub-types in order. For each type take the `hostAttrs` and `hostVars` and merge it with the child
 * type.
 */
function mergeHostAttrsAcrossInheritance(inheritanceChain) {
    let hostVars = 0;
    let hostAttrs = null;
    // We process the inheritance order from the base to the leaves here.
    for (let i = inheritanceChain.length - 1; i >= 0; i--) {
        const def = inheritanceChain[i];
        // For each `hostVars`, we need to add the superclass amount.
        def.hostVars = (hostVars += def.hostVars);
        // for each `hostAttrs` we need to merge it with superclass.
        def.hostAttrs =
            mergeHostAttrs(def.hostAttrs, hostAttrs = mergeHostAttrs(hostAttrs, def.hostAttrs));
    }
}
function maybeUnwrapEmpty(value) {
    if (value === EMPTY_OBJ) {
        return {};
    }
    else if (value === EMPTY_ARRAY) {
        return [];
    }
    else {
        return value;
    }
}
function inheritViewQuery(definition, superViewQuery) {
    const prevViewQuery = definition.viewQuery;
    if (prevViewQuery) {
        definition.viewQuery = (rf, ctx) => {
            superViewQuery(rf, ctx);
            prevViewQuery(rf, ctx);
        };
    }
    else {
        definition.viewQuery = superViewQuery;
    }
}
function inheritContentQueries(definition, superContentQueries) {
    const prevContentQueries = definition.contentQueries;
    if (prevContentQueries) {
        definition.contentQueries = (rf, ctx, directiveIndex) => {
            superContentQueries(rf, ctx, directiveIndex);
            prevContentQueries(rf, ctx, directiveIndex);
        };
    }
    else {
        definition.contentQueries = superContentQueries;
    }
}
function inheritHostBindings(definition, superHostBindings) {
    const prevHostBindings = definition.hostBindings;
    if (prevHostBindings) {
        definition.hostBindings = (rf, ctx) => {
            superHostBindings(rf, ctx);
            prevHostBindings(rf, ctx);
        };
    }
    else {
        definition.hostBindings = superHostBindings;
    }
}

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
/**
 * Fields which exist on either directive or component definitions, and need to be copied from
 * parent to child classes by the `ɵɵCopyDefinitionFeature`.
 */
const COPY_DIRECTIVE_FIELDS = [
    // The child class should use the providers of its parent.
    'providersResolver',
    // Not listed here are any fields which are handled by the `ɵɵInheritDefinitionFeature`, such
    // as inputs, outputs, and host binding functions.
];
/**
 * Fields which exist only on component definitions, and need to be copied from parent to child
 * classes by the `ɵɵCopyDefinitionFeature`.
 *
 * The type here allows any field of `ComponentDef` which is not also a property of `DirectiveDef`,
 * since those should go in `COPY_DIRECTIVE_FIELDS` above.
 */
const COPY_COMPONENT_FIELDS = [
    // The child class should use the template function of its parent, including all template
    // semantics.
    'template',
    'decls',
    'consts',
    'vars',
    'onPush',
    'ngContentSelectors',
    // The child class should use the CSS styles of its parent, including all styling semantics.
    'styles',
    'encapsulation',
    // The child class should be checked by the runtime in the same way as its parent.
    'schemas',
];
/**
 * Copies the fields not handled by the `ɵɵInheritDefinitionFeature` from the supertype of a
 * definition.
 *
 * This exists primarily to support ngcc migration of an existing View Engine pattern, where an
 * entire decorator is inherited from a parent to a child class. When ngcc detects this case, it
 * generates a skeleton definition on the child class, and applies this feature.
 *
 * The `ɵɵCopyDefinitionFeature` then copies any needed fields from the parent class' definition,
 * including things like the component template function.
 *
 * @param definition The definition of a child class which inherits from a parent class with its
 * own definition.
 *
 * @codeGenApi
 */
function ɵɵCopyDefinitionFeature(definition) {
    let superType = getSuperType(definition.type);
    let superDef = undefined;
    if (isComponentDef(definition)) {
        // Don't use getComponentDef/getDirectiveDef. This logic relies on inheritance.
        superDef = superType.ɵcmp;
    }
    else {
        // Don't use getComponentDef/getDirectiveDef. This logic relies on inheritance.
        superDef = superType.ɵdir;
    }
    // Needed because `definition` fields are readonly.
    const defAny = definition;
    // Copy over any fields that apply to either directives or components.
    for (const field of COPY_DIRECTIVE_FIELDS) {
        defAny[field] = superDef[field];
    }
    if (isComponentDef(superDef)) {
        // Copy over any component-specific fields.
        for (const field of COPY_COMPONENT_FIELDS) {
            defAny[field] = superDef[field];
        }
    }
}

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
let _symbolIterator = null;
function getSymbolIterator() {
    if (!_symbolIterator) {
        const Symbol = _global['Symbol'];
        if (Symbol && Symbol.iterator) {
            _symbolIterator = Symbol.iterator;
        }
        else {
            // es6-shim specific logic
            const keys = Object.getOwnPropertyNames(Map.prototype);
            for (let i = 0; i < keys.length; ++i) {
                const key = keys[i];
                if (key !== 'entries' && key !== 'size' &&
                    Map.prototype[key] === Map.prototype['entries']) {
                    _symbolIterator = key;
                }
            }
        }
    }
    return _symbolIterator;
}

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
function devModeEqual(a, b) {
    const isListLikeIterableA = isListLikeIterable(a);
    const isListLikeIterableB = isListLikeIterable(b);
    if (isListLikeIterableA && isListLikeIterableB) {
        return areIterablesEqual(a, b, devModeEqual);
    }
    else {
        const isAObject = a && (typeof a === 'object' || typeof a === 'function');
        const isBObject = b && (typeof b === 'object' || typeof b === 'function');
        if (!isListLikeIterableA && isAObject && !isListLikeIterableB && isBObject) {
            return true;
        }
        else {
            return Object.is(a, b);
        }
    }
}
/**
 * Indicates that the result of a {@link Pipe} transformation has changed even though the
 * reference has not changed.
 *
 * Wrapped values are unwrapped automatically during the change detection, and the unwrapped value
 * is stored.
 *
 * Example:
 *
 * ```
 * if (this._latestValue === this._latestReturnedValue) {
 *    return this._latestReturnedValue;
 *  } else {
 *    this._latestReturnedValue = this._latestValue;
 *    return WrappedValue.wrap(this._latestValue); // this will force update
 *  }
 * ```
 *
 * @publicApi
 * @deprecated from v10 stop using. (No replacement, deemed unnecessary.)
 */
class WrappedValue {
    constructor(value) {
        this.wrapped = value;
    }
    /** Creates a wrapped value. */
    static wrap(value) {
        return new WrappedValue(value);
    }
    /**
     * Returns the underlying value of a wrapped value.
     * Returns the given `value` when it is not wrapped.
     **/
    static unwrap(value) {
        return WrappedValue.isWrapped(value) ? value.wrapped : value;
    }
    /** Returns true if `value` is a wrapped value. */
    static isWrapped(value) {
        return value instanceof WrappedValue;
    }
}
function isListLikeIterable(obj) {
    if (!isJsObject(obj))
        return false;
    return Array.isArray(obj) ||
        (!(obj instanceof Map) && // JS Map are iterables but return entries as [k, v]
            getSymbolIterator() in obj); // JS Iterable have a Symbol.iterator prop
}
function areIterablesEqual(a, b, comparator) {
    const iterator1 = a[getSymbolIterator()]();
    const iterator2 = b[getSymbolIterator()]();
    while (true) {
        const item1 = iterator1.next();
        const item2 = iterator2.next();
        if (item1.done && item2.done)
            return true;
        if (item1.done || item2.done)
            return false;
        if (!comparator(item1.value, item2.value))
            return false;
    }
}
function iterateListLike(obj, fn) {
    if (Array.isArray(obj)) {
        for (let i = 0; i < obj.length; i++) {
            fn(obj[i]);
        }
    }
    else {
        const iterator = obj[getSymbolIterator()]();
        let item;
        while (!((item = iterator.next()).done)) {
            fn(item.value);
        }
    }
}
function isJsObject(o) {
    return o !== null && (typeof o === 'function' || typeof o === 'object');
}

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
// TODO(misko): consider inlining
/** Updates binding and returns the value. */
function updateBinding(lView, bindingIndex, value) {
    return lView[bindingIndex] = value;
}
/** Gets the current binding value. */
function getBinding(lView, bindingIndex) {
    ngDevMode && assertIndexInRange(lView, bindingIndex);
    ngDevMode &&
        assertNotSame(lView[bindingIndex], NO_CHANGE, 'Stored value should never be NO_CHANGE.');
    return lView[bindingIndex];
}
/**
 * Updates binding if changed, then returns whether it was updated.
 *
 * This function also checks the `CheckNoChangesMode` and throws if changes are made.
 * Some changes (Objects/iterables) during `CheckNoChangesMode` are exempt to comply with VE
 * behavior.
 *
 * @param lView current `LView`
 * @param bindingIndex The binding in the `LView` to check
 * @param value New value to check against `lView[bindingIndex]`
 * @returns `true` if the bindings has changed. (Throws if binding has changed during
 *          `CheckNoChangesMode`)
 */
function bindingUpdated(lView, bindingIndex, value) {
    ngDevMode && assertNotSame(value, NO_CHANGE, 'Incoming value should never be NO_CHANGE.');
    ngDevMode &&
        assertLessThan(bindingIndex, lView.length, `Slot should have been initialized to NO_CHANGE`);
    const oldValue = lView[bindingIndex];
    if (Object.is(oldValue, value)) {
        return false;
    }
    else {
        if (ngDevMode && isInCheckNoChangesMode()) {
            // View engine didn't report undefined values as changed on the first checkNoChanges pass
            // (before the change detection was run).
            const oldValueToCompare = oldValue !== NO_CHANGE ? oldValue : undefined;
            if (!devModeEqual(oldValueToCompare, value)) {
                const details = getExpressionChangedErrorDetails(lView, bindingIndex, oldValueToCompare, value);
                throwErrorIfNoChangesMode(oldValue === NO_CHANGE, details.oldValue, details.newValue, details.propName);
            }
            // There was a change, but the `devModeEqual` decided that the change is exempt from an error.
            // For this reason we exit as if no change. The early exit is needed to prevent the changed
            // value to be written into `LView` (If we would write the new value that we would not see it
            // as change on next CD.)
            return false;
        }
        lView[bindingIndex] = value;
        return true;
    }
}
/** Updates 2 bindings if changed, then returns whether either was updated. */
function bindingUpdated2(lView, bindingIndex, exp1, exp2) {
    const different = bindingUpdated(lView, bindingIndex, exp1);
    return bindingUpdated(lView, bindingIndex + 1, exp2) || different;
}
/** Updates 3 bindings if changed, then returns whether any was updated. */
function bindingUpdated3(lView, bindingIndex, exp1, exp2, exp3) {
    const different = bindingUpdated2(lView, bindingIndex, exp1, exp2);
    return bindingUpdated(lView, bindingIndex + 2, exp3) || different;
}
/** Updates 4 bindings if changed, then returns whether any was updated. */
function bindingUpdated4(lView, bindingIndex, exp1, exp2, exp3, exp4) {
    const different = bindingUpdated2(lView, bindingIndex, exp1, exp2);
    return bindingUpdated2(lView, bindingIndex + 2, exp3, exp4) || different;
}

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
/**
 * Updates the value of or removes a bound attribute on an Element.
 *
 * Used in the case of `[attr.title]="value"`
 *
 * @param name name The name of the attribute.
 * @param value value The attribute is removed when value is `null` or `undefined`.
 *                  Otherwise the attribute value is set to the stringified value.
 * @param sanitizer An optional function used to sanitize the value.
 * @param namespace Optional namespace to use when setting the attribute.
 *
 * @codeGenApi
 */
function ɵɵattribute(name, value, sanitizer, namespace) {
    const lView = getLView();
    const bindingIndex = nextBindingIndex();
    if (bindingUpdated(lView, bindingIndex, value)) {
        const tView = getTView();
        const tNode = getSelectedTNode();
        elementAttributeInternal(tNode, lView, name, value, sanitizer, namespace);
        ngDevMode && storePropertyBindingMetadata(tView.data, tNode, 'attr.' + name, bindingIndex);
    }
    return ɵɵattribute;
}

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
/**
 * Create interpolation bindings with a variable number of expressions.
 *
 * If there are 1 to 8 expressions `interpolation1()` to `interpolation8()` should be used instead.
 * Those are faster because there is no need to create an array of expressions and iterate over it.
 *
 * `values`:
 * - has static text at even indexes,
 * - has evaluated expressions at odd indexes.
 *
 * Returns the concatenated string when any of the arguments changes, `NO_CHANGE` otherwise.
 */
function interpolationV(lView, values) {
    ngDevMode && assertLessThan(2, values.length, 'should have at least 3 values');
    ngDevMode && assertEqual(values.length % 2, 1, 'should have an odd number of values');
    let isBindingUpdated = false;
    let bindingIndex = getBindingIndex();
    for (let i = 1; i < values.length; i += 2) {
        // Check if bindings (odd indexes) have changed
        isBindingUpdated = bindingUpdated(lView, bindingIndex++, values[i]) || isBindingUpdated;
    }
    setBindingIndex(bindingIndex);
    if (!isBindingUpdated) {
        return NO_CHANGE;
    }
    // Build the updated content
    let content = values[0];
    for (let i = 1; i < values.length; i += 2) {
        content += renderStringify(values[i]) + values[i + 1];
    }
    return content;
}
/**
 * Creates an interpolation binding with 1 expression.
 *
 * @param prefix static value used for concatenation only.
 * @param v0 value checked for change.
 * @param suffix static value used for concatenation only.
 */
function interpolation1(lView, prefix, v0, suffix) {
    const different = bindingUpdated(lView, nextBindingIndex(), v0);
    return different ? prefix + renderStringify(v0) + suffix : NO_CHANGE;
}
/**
 * Creates an interpolation binding with 2 expressions.
 */
function interpolation2(lView, prefix, v0, i0, v1, suffix) {
    const bindingIndex = getBindingIndex();
    const different = bindingUpdated2(lView, bindingIndex, v0, v1);
    incrementBindingIndex(2);
    return different ? prefix + renderStringify(v0) + i0 + renderStringify(v1) + suffix : NO_CHANGE;
}
/**
 * Creates an interpolation binding with 3 expressions.
 */
function interpolation3(lView, prefix, v0, i0, v1, i1, v2, suffix) {
    const bindingIndex = getBindingIndex();
    const different = bindingUpdated3(lView, bindingIndex, v0, v1, v2);
    incrementBindingIndex(3);
    return different ?
        prefix + renderStringify(v0) + i0 + renderStringify(v1) + i1 + renderStringify(v2) + suffix :
        NO_CHANGE;
}
/**
 * Create an interpolation binding with 4 expressions.
 */
function interpolation4(lView, prefix, v0, i0, v1, i1, v2, i2, v3, suffix) {
    const bindingIndex = getBindingIndex();
    const different = bindingUpdated4(lView, bindingIndex, v0, v1, v2, v3);
    incrementBindingIndex(4);
    return different ? prefix + renderStringify(v0) + i0 + renderStringify(v1) + i1 +
        renderStringify(v2) + i2 + renderStringify(v3) + suffix :
        NO_CHANGE;
}
/**
 * Creates an interpolation binding with 5 expressions.
 */
function interpolation5(lView, prefix, v0, i0, v1, i1, v2, i2, v3, i3, v4, suffix) {
    const bindingIndex = getBindingIndex();
    let different = bindingUpdated4(lView, bindingIndex, v0, v1, v2, v3);
    different = bindingUpdated(lView, bindingIndex + 4, v4) || different;
    incrementBindingIndex(5);
    return different ? prefix + renderStringify(v0) + i0 + renderStringify(v1) + i1 +
        renderStringify(v2) + i2 + renderStringify(v3) + i3 + renderStringify(v4) + suffix :
        NO_CHANGE;
}
/**
 * Creates an interpolation binding with 6 expressions.
 */
function interpolation6(lView, prefix, v0, i0, v1, i1, v2, i2, v3, i3, v4, i4, v5, suffix) {
    const bindingIndex = getBindingIndex();
    let different = bindingUpdated4(lView, bindingIndex, v0, v1, v2, v3);
    different = bindingUpdated2(lView, bindingIndex + 4, v4, v5) || different;
    incrementBindingIndex(6);
    return different ?
        prefix + renderStringify(v0) + i0 + renderStringify(v1) + i1 + renderStringify(v2) + i2 +
            renderStringify(v3) + i3 + renderStringify(v4) + i4 + renderStringify(v5) + suffix :
        NO_CHANGE;
}
/**
 * Creates an interpolation binding with 7 expressions.
 */
function interpolation7(lView, prefix, v0, i0, v1, i1, v2, i2, v3, i3, v4, i4, v5, i5, v6, suffix) {
    const bindingIndex = getBindingIndex();
    let different = bindingUpdated4(lView, bindingIndex, v0, v1, v2, v3);
    different = bindingUpdated3(lView, bindingIndex + 4, v4, v5, v6) || different;
    incrementBindingIndex(7);
    return different ? prefix + renderStringify(v0) + i0 + renderStringify(v1) + i1 +
        renderStringify(v2) + i2 + renderStringify(v3) + i3 + renderStringify(v4) + i4 +
        renderStringify(v5) + i5 + renderStringify(v6) + suffix :
        NO_CHANGE;
}
/**
 * Creates an interpolation binding with 8 expressions.
 */
function interpolation8(lView, prefix, v0, i0, v1, i1, v2, i2, v3, i3, v4, i4, v5, i5, v6, i6, v7, suffix) {
    const bindingIndex = getBindingIndex();
    let different = bindingUpdated4(lView, bindingIndex, v0, v1, v2, v3);
    different = bindingUpdated4(lView, bindingIndex + 4, v4, v5, v6, v7) || different;
    incrementBindingIndex(8);
    return different ? prefix + renderStringify(v0) + i0 + renderStringify(v1) + i1 +
        renderStringify(v2) + i2 + renderStringify(v3) + i3 + renderStringify(v4) + i4 +
        renderStringify(v5) + i5 + renderStringify(v6) + i6 + renderStringify(v7) + suffix :
        NO_CHANGE;
}

/**
 *
 * Update an interpolated attribute on an element with single bound value surrounded by text.
 *
 * Used when the value passed to a property has 1 interpolated value in it:
 *
 * ```html
 * <div attr.title="prefix{{v0}}suffix"></div>
 * ```
 *
 * Its compiled representation is::
 *
 * ```ts
 * ɵɵattributeInterpolate1('title', 'prefix', v0, 'suffix');
 * ```
 *
 * @param attrName The name of the attribute to update
 * @param prefix Static value used for concatenation only.
 * @param v0 Value checked for change.
 * @param suffix Static value used for concatenation only.
 * @param sanitizer An optional sanitizer function
 * @returns itself, so that it may be chained.
 * @codeGenApi
 */
function ɵɵattributeInterpolate1(attrName, prefix, v0, suffix, sanitizer, namespace) {
    const lView = getLView();
    const interpolatedValue = interpolation1(lView, prefix, v0, suffix);
    if (interpolatedValue !== NO_CHANGE) {
        const tNode = getSelectedTNode();
        elementAttributeInternal(tNode, lView, attrName, interpolatedValue, sanitizer, namespace);
        ngDevMode &&
            storePropertyBindingMetadata(getTView().data, tNode, 'attr.' + attrName, getBindingIndex() - 1, prefix, suffix);
    }
    return ɵɵattributeInterpolate1;
}
/**
 *
 * Update an interpolated attribute on an element with 2 bound values surrounded by text.
 *
 * Used when the value passed to a property has 2 interpolated values in it:
 *
 * ```html
 * <div attr.title="prefix{{v0}}-{{v1}}suffix"></div>
 * ```
 *
 * Its compiled representation is::
 *
 * ```ts
 * ɵɵattributeInterpolate2('title', 'prefix', v0, '-', v1, 'suffix');
 * ```
 *
 * @param attrName The name of the attribute to update
 * @param prefix Static value used for concatenation only.
 * @param v0 Value checked for change.
 * @param i0 Static value used for concatenation only.
 * @param v1 Value checked for change.
 * @param suffix Static value used for concatenation only.
 * @param sanitizer An optional sanitizer function
 * @returns itself, so that it may be chained.
 * @codeGenApi
 */
function ɵɵattributeInterpolate2(attrName, prefix, v0, i0, v1, suffix, sanitizer, namespace) {
    const lView = getLView();
    const interpolatedValue = interpolation2(lView, prefix, v0, i0, v1, suffix);
    if (interpolatedValue !== NO_CHANGE) {
        const tNode = getSelectedTNode();
        elementAttributeInternal(tNode, lView, attrName, interpolatedValue, sanitizer, namespace);
        ngDevMode &&
            storePropertyBindingMetadata(getTView().data, tNode, 'attr.' + attrName, getBindingIndex() - 2, prefix, i0, suffix);
    }
    return ɵɵattributeInterpolate2;
}
/**
 *
 * Update an interpolated attribute on an element with 3 bound values surrounded by text.
 *
 * Used when the value passed to a property has 3 interpolated values in it:
 *
 * ```html
 * <div attr.title="prefix{{v0}}-{{v1}}-{{v2}}suffix"></div>
 * ```
 *
 * Its compiled representation is::
 *
 * ```ts
 * ɵɵattributeInterpolate3(
 * 'title', 'prefix', v0, '-', v1, '-', v2, 'suffix');
 * ```
 *
 * @param attrName The name of the attribute to update
 * @param prefix Static value used for concatenation only.
 * @param v0 Value checked for change.
 * @param i0 Static value used for concatenation only.
 * @param v1 Value checked for change.
 * @param i1 Static value used for concatenation only.
 * @param v2 Value checked for change.
 * @param suffix Static value used for concatenation only.
 * @param sanitizer An optional sanitizer function
 * @returns itself, so that it may be chained.
 * @codeGenApi
 */
function ɵɵattributeInterpolate3(attrName, prefix, v0, i0, v1, i1, v2, suffix, sanitizer, namespace) {
    const lView = getLView();
    const interpolatedValue = interpolation3(lView, prefix, v0, i0, v1, i1, v2, suffix);
    if (interpolatedValue !== NO_CHANGE) {
        const tNode = getSelectedTNode();
        elementAttributeInternal(tNode, lView, attrName, interpolatedValue, sanitizer, namespace);
        ngDevMode &&
            storePropertyBindingMetadata(getTView().data, tNode, 'attr.' + attrName, getBindingIndex() - 3, prefix, i0, i1, suffix);
    }
    return ɵɵattributeInterpolate3;
}
/**
 *
 * Update an interpolated attribute on an element with 4 bound values surrounded by text.
 *
 * Used when the value passed to a property has 4 interpolated values in it:
 *
 * ```html
 * <div attr.title="prefix{{v0}}-{{v1}}-{{v2}}-{{v3}}suffix"></div>
 * ```
 *
 * Its compiled representation is::
 *
 * ```ts
 * ɵɵattributeInterpolate4(
 * 'title', 'prefix', v0, '-', v1, '-', v2, '-', v3, 'suffix');
 * ```
 *
 * @param attrName The name of the attribute to update
 * @param prefix Static value used for concatenation only.
 * @param v0 Value checked for change.
 * @param i0 Static value used for concatenation only.
 * @param v1 Value checked for change.
 * @param i1 Static value used for concatenation only.
 * @param v2 Value checked for change.
 * @param i2 Static value used for concatenation only.
 * @param v3 Value checked for change.
 * @param suffix Static value used for concatenation only.
 * @param sanitizer An optional sanitizer function
 * @returns itself, so that it may be chained.
 * @codeGenApi
 */
function ɵɵattributeInterpolate4(attrName, prefix, v0, i0, v1, i1, v2, i2, v3, suffix, sanitizer, namespace) {
    const lView = getLView();
    const interpolatedValue = interpolation4(lView, prefix, v0, i0, v1, i1, v2, i2, v3, suffix);
    if (interpolatedValue !== NO_CHANGE) {
        const tNode = getSelectedTNode();
        elementAttributeInternal(tNode, lView, attrName, interpolatedValue, sanitizer, namespace);
        ngDevMode &&
            storePropertyBindingMetadata(getTView().data, tNode, 'attr.' + attrName, getBindingIndex() - 4, prefix, i0, i1, i2, suffix);
    }
    return ɵɵattributeInterpolate4;
}
/**
 *
 * Update an interpolated attribute on an element with 5 bound values surrounded by text.
 *
 * Used when the value passed to a property has 5 interpolated values in it:
 *
 * ```html
 * <div attr.title="prefix{{v0}}-{{v1}}-{{v2}}-{{v3}}-{{v4}}suffix"></div>
 * ```
 *
 * Its compiled representation is::
 *
 * ```ts
 * ɵɵattributeInterpolate5(
 * 'title', 'prefix', v0, '-', v1, '-', v2, '-', v3, '-', v4, 'suffix');
 * ```
 *
 * @param attrName The name of the attribute to update
 * @param prefix Static value used for concatenation only.
 * @param v0 Value checked for change.
 * @param i0 Static value used for concatenation only.
 * @param v1 Value checked for change.
 * @param i1 Static value used for concatenation only.
 * @param v2 Value checked for change.
 * @param i2 Static value used for concatenation only.
 * @param v3 Value checked for change.
 * @param i3 Static value used for concatenation only.
 * @param v4 Value checked for change.
 * @param suffix Static value used for concatenation only.
 * @param sanitizer An optional sanitizer function
 * @returns itself, so that it may be chained.
 * @codeGenApi
 */
function ɵɵattributeInterpolate5(attrName, prefix, v0, i0, v1, i1, v2, i2, v3, i3, v4, suffix, sanitizer, namespace) {
    const lView = getLView();
    const interpolatedValue = interpolation5(lView, prefix, v0, i0, v1, i1, v2, i2, v3, i3, v4, suffix);
    if (interpolatedValue !== NO_CHANGE) {
        const tNode = getSelectedTNode();
        elementAttributeInternal(tNode, lView, attrName, interpolatedValue, sanitizer, namespace);
        ngDevMode &&
            storePropertyBindingMetadata(getTView().data, tNode, 'attr.' + attrName, getBindingIndex() - 5, prefix, i0, i1, i2, i3, suffix);
    }
    return ɵɵattributeInterpolate5;
}
/**
 *
 * Update an interpolated attribute on an element with 6 bound values surrounded by text.
 *
 * Used when the value passed to a property has 6 interpolated values in it:
 *
 * ```html
 * <div attr.title="prefix{{v0}}-{{v1}}-{{v2}}-{{v3}}-{{v4}}-{{v5}}suffix"></div>
 * ```
 *
 * Its compiled representation is::
 *
 * ```ts
 * ɵɵattributeInterpolate6(
 *    'title', 'prefix', v0, '-', v1, '-', v2, '-', v3, '-', v4, '-', v5, 'suffix');
 * ```
 *
 * @param attrName The name of the attribute to update
 * @param prefix Static value used for concatenation only.
 * @param v0 Value checked for change.
 * @param i0 Static value used for concatenation only.
 * @param v1 Value checked for change.
 * @param i1 Static value used for concatenation only.
 * @param v2 Value checked for change.
 * @param i2 Static value used for concatenation only.
 * @param v3 Value checked for change.
 * @param i3 Static value used for concatenation only.
 * @param v4 Value checked for change.
 * @param i4 Static value used for concatenation only.
 * @param v5 Value checked for change.
 * @param suffix Static value used for concatenation only.
 * @param sanitizer An optional sanitizer function
 * @returns itself, so that it may be chained.
 * @codeGenApi
 */
function ɵɵattributeInterpolate6(attrName, prefix, v0, i0, v1, i1, v2, i2, v3, i3, v4, i4, v5, suffix, sanitizer, namespace) {
    const lView = getLView();
    const interpolatedValue = interpolation6(lView, prefix, v0, i0, v1, i1, v2, i2, v3, i3, v4, i4, v5, suffix);
    if (interpolatedValue !== NO_CHANGE) {
        const tNode = getSelectedTNode();
        elementAttributeInternal(tNode, lView, attrName, interpolatedValue, sanitizer, namespace);
        ngDevMode &&
            storePropertyBindingMetadata(getTView().data, tNode, 'attr.' + attrName, getBindingIndex() - 6, prefix, i0, i1, i2, i3, i4, suffix);
    }
    return ɵɵattributeInterpolate6;
}
/**
 *
 * Update an interpolated attribute on an element with 7 bound values surrounded by text.
 *
 * Used when the value passed to a property has 7 interpolated values in it:
 *
 * ```html
 * <div attr.title="prefix{{v0}}-{{v1}}-{{v2}}-{{v3}}-{{v4}}-{{v5}}-{{v6}}suffix"></div>
 * ```
 *
 * Its compiled representation is::
 *
 * ```ts
 * ɵɵattributeInterpolate7(
 *    'title', 'prefix', v0, '-', v1, '-', v2, '-', v3, '-', v4, '-', v5, '-', v6, 'suffix');
 * ```
 *
 * @param attrName The name of the attribute to update
 * @param prefix Static value used for concatenation only.
 * @param v0 Value checked for change.
 * @param i0 Static value used for concatenation only.
 * @param v1 Value checked for change.
 * @param i1 Static value used for concatenation only.
 * @param v2 Value checked for change.
 * @param i2 Static value used for concatenation only.
 * @param v3 Value checked for change.
 * @param i3 Static value used for concatenation only.
 * @param v4 Value checked for change.
 * @param i4 Static value used for concatenation only.
 * @param v5 Value checked for change.
 * @param i5 Static value used for concatenation only.
 * @param v6 Value checked for change.
 * @param suffix Static value used for concatenation only.
 * @param sanitizer An optional sanitizer function
 * @returns itself, so that it may be chained.
 * @codeGenApi
 */
function ɵɵattributeInterpolate7(attrName, prefix, v0, i0, v1, i1, v2, i2, v3, i3, v4, i4, v5, i5, v6, suffix, sanitizer, namespace) {
    const lView = getLView();
    const interpolatedValue = interpolation7(lView, prefix, v0, i0, v1, i1, v2, i2, v3, i3, v4, i4, v5, i5, v6, suffix);
    if (interpolatedValue !== NO_CHANGE) {
        const tNode = getSelectedTNode();
        elementAttributeInternal(tNode, lView, attrName, interpolatedValue, sanitizer, namespace);
        ngDevMode &&
            storePropertyBindingMetadata(getTView().data, tNode, 'attr.' + attrName, getBindingIndex() - 7, prefix, i0, i1, i2, i3, i4, i5, suffix);
    }
    return ɵɵattributeInterpolate7;
}
/**
 *
 * Update an interpolated attribute on an element with 8 bound values surrounded by text.
 *
 * Used when the value passed to a property has 8 interpolated values in it:
 *
 * ```html
 * <div attr.title="prefix{{v0}}-{{v1}}-{{v2}}-{{v3}}-{{v4}}-{{v5}}-{{v6}}-{{v7}}suffix"></div>
 * ```
 *
 * Its compiled representation is::
 *
 * ```ts
 * ɵɵattributeInterpolate8(
 *  'title', 'prefix', v0, '-', v1, '-', v2, '-', v3, '-', v4, '-', v5, '-', v6, '-', v7, 'suffix');
 * ```
 *
 * @param attrName The name of the attribute to update
 * @param prefix Static value used for concatenation only.
 * @param v0 Value checked for change.
 * @param i0 Static value used for concatenation only.
 * @param v1 Value checked for change.
 * @param i1 Static value used for concatenation only.
 * @param v2 Value checked for change.
 * @param i2 Static value used for concatenation only.
 * @param v3 Value checked for change.
 * @param i3 Static value used for concatenation only.
 * @param v4 Value checked for change.
 * @param i4 Static value used for concatenation only.
 * @param v5 Value checked for change.
 * @param i5 Static value used for concatenation only.
 * @param v6 Value checked for change.
 * @param i6 Static value used for concatenation only.
 * @param v7 Value checked for change.
 * @param suffix Static value used for concatenation only.
 * @param sanitizer An optional sanitizer function
 * @returns itself, so that it may be chained.
 * @codeGenApi
 */
function ɵɵattributeInterpolate8(attrName, prefix, v0, i0, v1, i1, v2, i2, v3, i3, v4, i4, v5, i5, v6, i6, v7, suffix, sanitizer, namespace) {
    const lView = getLView();
    const interpolatedValue = interpolation8(lView, prefix, v0, i0, v1, i1, v2, i2, v3, i3, v4, i4, v5, i5, v6, i6, v7, suffix);
    if (interpolatedValue !== NO_CHANGE) {
        const tNode = getSelectedTNode();
        elementAttributeInternal(tNode, lView, attrName, interpolatedValue, sanitizer, namespace);
        ngDevMode &&
            storePropertyBindingMetadata(getTView().data, tNode, 'attr.' + attrName, getBindingIndex() - 8, prefix, i0, i1, i2, i3, i4, i5, i6, suffix);
    }
    return ɵɵattributeInterpolate8;
}
/**
 * Update an interpolated attribute on an element with 9 or more bound values surrounded by text.
 *
 * Used when the number of interpolated values exceeds 8.
 *
 * ```html
 * <div
 *  title="prefix{{v0}}-{{v1}}-{{v2}}-{{v3}}-{{v4}}-{{v5}}-{{v6}}-{{v7}}-{{v8}}-{{v9}}suffix"></div>
 * ```
 *
 * Its compiled representation is::
 *
 * ```ts
 * ɵɵattributeInterpolateV(
 *  'title', ['prefix', v0, '-', v1, '-', v2, '-', v3, '-', v4, '-', v5, '-', v6, '-', v7, '-', v9,
 *  'suffix']);
 * ```
 *
 * @param attrName The name of the attribute to update.
 * @param values The collection of values and the strings in-between those values, beginning with
 * a string prefix and ending with a string suffix.
 * (e.g. `['prefix', value0, '-', value1, '-', value2, ..., value99, 'suffix']`)
 * @param sanitizer An optional sanitizer function
 * @returns itself, so that it may be chained.
 * @codeGenApi
 */
function ɵɵattributeInterpolateV(attrName, values, sanitizer, namespace) {
    const lView = getLView();
    const interpolated = interpolationV(lView, values);
    if (interpolated !== NO_CHANGE) {
        const tNode = getSelectedTNode();
        elementAttributeInternal(tNode, lView, attrName, interpolated, sanitizer, namespace);
        if (ngDevMode) {
            const interpolationInBetween = [values[0]]; // prefix
            for (let i = 2; i < values.length; i += 2) {
                interpolationInBetween.push(values[i]);
            }
            storePropertyBindingMetadata(getTView().data, tNode, 'attr.' + attrName, getBindingIndex() - interpolationInBetween.length + 1, ...interpolationInBetween);
        }
    }
    return ɵɵattributeInterpolateV;
}

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
function templateFirstCreatePass(index, tView, lView, templateFn, decls, vars, tagName, attrsIndex, localRefsIndex) {
    ngDevMode && assertFirstCreatePass(tView);
    ngDevMode && ngDevMode.firstCreatePass++;
    const tViewConsts = tView.consts;
    // TODO(pk): refactor getOrCreateTNode to have the "create" only version
    const tNode = getOrCreateTNode(tView, index, 4 /* Container */, tagName || null, getConstant(tViewConsts, attrsIndex));
    resolveDirectives(tView, lView, tNode, getConstant(tViewConsts, localRefsIndex));
    registerPostOrderHooks(tView, tNode);
    const embeddedTView = tNode.tViews = createTView(2 /* Embedded */, tNode, templateFn, decls, vars, tView.directiveRegistry, tView.pipeRegistry, null, tView.schemas, tViewConsts);
    if (tView.queries !== null) {
        tView.queries.template(tView, tNode);
        embeddedTView.queries = tView.queries.embeddedTView(tNode);
    }
    return tNode;
}
/**
 * Creates an LContainer for an ng-template (dynamically-inserted view), e.g.
 *
 * <ng-template #foo>
 *    <div></div>
 * </ng-template>
 *
 * @param index The index of the container in the data array
 * @param templateFn Inline template
 * @param decls The number of nodes, local refs, and pipes for this template
 * @param vars The number of bindings for this template
 * @param tagName The name of the container element, if applicable
 * @param attrsIndex Index of template attributes in the `consts` array.
 * @param localRefs Index of the local references in the `consts` array.
 * @param localRefExtractor A function which extracts local-refs values from the template.
 *        Defaults to the current element associated with the local-ref.
 *
 * @codeGenApi
 */
function ɵɵtemplate(index, templateFn, decls, vars, tagName, attrsIndex, localRefsIndex, localRefExtractor) {
    const lView = getLView();
    const tView = getTView();
    const adjustedIndex = index + HEADER_OFFSET;
    const tNode = tView.firstCreatePass ? templateFirstCreatePass(adjustedIndex, tView, lView, templateFn, decls, vars, tagName, attrsIndex, localRefsIndex) :
        tView.data[adjustedIndex];
    setCurrentTNode(tNode, false);
    const comment = lView[RENDERER].createComment(ngDevMode ? 'container' : '');
    appendChild(tView, lView, comment, tNode);
    attachPatchData(comment, lView);
    addToViewTree(lView, lView[adjustedIndex] = createLContainer(comment, lView, comment, tNode));
    if (isDirectiveHost(tNode)) {
        createDirectivesInstances(tView, lView, tNode);
    }
    if (localRefsIndex != null) {
        saveResolvedLocalsInData(lView, tNode, localRefExtractor);
    }
}

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
/** Store a value in the `data` at a given `index`. */
function store(tView, lView, index, value) {
    // We don't store any static data for local variables, so the first time
    // we see the template, we should store as null to avoid a sparse array
    if (index >= tView.data.length) {
        tView.data[index] = null;
        tView.blueprint[index] = null;
    }
    lView[index] = value;
}
/**
 * Retrieves a local reference from the current contextViewData.
 *
 * If the reference to retrieve is in a parent view, this instruction is used in conjunction
 * with a nextContext() call, which walks up the tree and updates the contextViewData instance.
 *
 * @param index The index of the local ref in contextViewData.
 *
 * @codeGenApi
 */
function ɵɵreference(index) {
    const contextLView = getContextLView();
    return load(contextLView, HEADER_OFFSET + index);
}

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
/**
 * A mapping of the @angular/core API surface used in generated expressions to the actual symbols.
 *
 * This should be kept up to date with the public exports of @angular/core.
 */
const angularCoreDiEnv = {
    'ɵɵdefineInjectable': ɵɵdefineInjectable,
    'ɵɵdefineInjector': ɵɵdefineInjector,
    'ɵɵinject': ɵɵinject,
    'ɵɵinvalidFactoryDep': ɵɵinvalidFactoryDep,
    'resolveForwardRef': resolveForwardRef,
};

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
/**
 * Compile an Angular injectable according to its `Injectable` metadata, and patch the resulting
 * injectable def (`ɵprov`) onto the injectable type.
 */
function compileInjectable(type, meta) {
    let ngInjectableDef = null;
    let ngFactoryDef = null;
    // if NG_PROV_DEF is already defined on this class then don't overwrite it
    if (!type.hasOwnProperty(NG_PROV_DEF)) {
        Object.defineProperty(type, NG_PROV_DEF, {
            get: () => {
                if (ngInjectableDef === null) {
                    const compiler = getCompilerFacade({ usage: 0 /* Decorator */, kind: 'injectable', type });
                    ngInjectableDef = compiler.compileInjectable(angularCoreDiEnv, `ng:///${type.name}/ɵprov.js`, getInjectableMetadata(type, meta));
                }
                return ngInjectableDef;
            },
        });
    }
    // if NG_FACTORY_DEF is already defined on this class then don't overwrite it
    if (!type.hasOwnProperty(NG_FACTORY_DEF)) {
        Object.defineProperty(type, NG_FACTORY_DEF, {
            get: () => {
                if (ngFactoryDef === null) {
                    const compiler = getCompilerFacade({ usage: 0 /* Decorator */, kind: 'injectable', type });
                    ngFactoryDef = compiler.compileFactory(angularCoreDiEnv, `ng:///${type.name}/ɵfac.js`, {
                        name: type.name,
                        type,
                        typeArgumentCount: 0,
                        deps: reflectDependencies(type),
                        target: compiler.FactoryTarget.Injectable
                    });
                }
                return ngFactoryDef;
            },
            // Leave this configurable so that the factories from directives or pipes can take precedence.
            configurable: true
        });
    }
}
const ɵ0$8 = getClosureSafeProperty;
const USE_VALUE$1 = getClosureSafeProperty({ provide: String, useValue: ɵ0$8 });
function isUseClassProvider(meta) {
    return meta.useClass !== undefined;
}
function isUseValueProvider(meta) {
    return USE_VALUE$1 in meta;
}
function isUseFactoryProvider(meta) {
    return meta.useFactory !== undefined;
}
function isUseExistingProvider(meta) {
    return meta.useExisting !== undefined;
}
function getInjectableMetadata(type, srcMeta) {
    // Allow the compilation of a class with a `@Injectable()` decorator without parameters
    const meta = srcMeta || { providedIn: null };
    const compilerMeta = {
        name: type.name,
        type: type,
        typeArgumentCount: 0,
        providedIn: meta.providedIn,
    };
    if ((isUseClassProvider(meta) || isUseFactoryProvider(meta)) && meta.deps !== undefined) {
        compilerMeta.deps = convertDependencies(meta.deps);
    }
    // Check to see if the user explicitly provided a `useXxxx` property.
    if (isUseClassProvider(meta)) {
        compilerMeta.useClass = meta.useClass;
    }
    else if (isUseValueProvider(meta)) {
        compilerMeta.useValue = meta.useValue;
    }
    else if (isUseFactoryProvider(meta)) {
        compilerMeta.useFactory = meta.useFactory;
    }
    else if (isUseExistingProvider(meta)) {
        compilerMeta.useExisting = meta.useExisting;
    }
    return compilerMeta;
}

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
const ɵ0$9 = getClosureSafeProperty;
const USE_VALUE$2 = getClosureSafeProperty({ provide: String, useValue: ɵ0$9 });
function convertInjectableProviderToFactory(type, provider) {
    if (!provider) {
        const reflectionCapabilities = new ReflectionCapabilities();
        const deps = reflectionCapabilities.parameters(type);
        // TODO - convert to flags.
        return () => new type(...injectArgs(deps));
    }
    if (USE_VALUE$2 in provider) {
        const valueProvider = provider;
        return () => valueProvider.useValue;
    }
    else if (provider.useExisting) {
        const existingProvider = provider;
        return () => ɵɵinject(resolveForwardRef(existingProvider.useExisting));
    }
    else if (provider.useFactory) {
        const factoryProvider = provider;
        return () => factoryProvider.useFactory(...injectArgs(factoryProvider.deps || EMPTY_ARRAY));
    }
    else if (provider.useClass) {
        const classProvider = provider;
        let deps = provider.deps;
        if (!deps) {
            const reflectionCapabilities = new ReflectionCapabilities();
            deps = reflectionCapabilities.parameters(type);
        }
        return () => new (resolveForwardRef(classProvider.useClass))(...injectArgs(deps));
    }
    else {
        let deps = provider.deps;
        if (!deps) {
            const reflectionCapabilities = new ReflectionCapabilities();
            deps = reflectionCapabilities.parameters(type);
        }
        return () => new type(...injectArgs(deps));
    }
}

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
const ɵ0$a = (type, meta) => SWITCH_COMPILE_INJECTABLE(type, meta);
/**
 * Injectable decorator and metadata.
 *
 * @Annotation
 * @publicApi
 */
const Injectable = makeDecorator('Injectable', undefined, undefined, undefined, ɵ0$a);
/**
 * Supports @Injectable() in JIT mode for Render2.
 */
function render2CompileInjectable(injectableType, options) {
    if (options && options.providedIn !== undefined && !getInjectableDef(injectableType)) {
        injectableType.ɵprov = ɵɵdefineInjectable({
            token: injectableType,
            providedIn: options.providedIn,
            factory: convertInjectableProviderToFactory(injectableType, options),
        });
    }
}
const SWITCH_COMPILE_INJECTABLE__POST_R3__ = compileInjectable;
const SWITCH_COMPILE_INJECTABLE__PRE_R3__ = render2CompileInjectable;
const SWITCH_COMPILE_INJECTABLE = SWITCH_COMPILE_INJECTABLE__POST_R3__;

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
function findFirstClosedCycle(keys) {
    const res = [];
    for (let i = 0; i < keys.length; ++i) {
        if (res.indexOf(keys[i]) > -1) {
            res.push(keys[i]);
            return res;
        }
        res.push(keys[i]);
    }
    return res;
}
function constructResolvingPath(keys) {
    if (keys.length > 1) {
        const reversed = findFirstClosedCycle(keys.slice().reverse());
        const tokenStrs = reversed.map(k => stringify(k.token));
        return ' (' + tokenStrs.join(' -> ') + ')';
    }
    return '';
}
function injectionError(injector, key, constructResolvingMessage, originalError) {
    const keys = [key];
    const errMsg = constructResolvingMessage(keys);
    const error = (originalError ? wrappedError(errMsg, originalError) : Error(errMsg));
    error.addKey = addKey;
    error.keys = keys;
    error.injectors = [injector];
    error.constructResolvingMessage = constructResolvingMessage;
    error[ERROR_ORIGINAL_ERROR] = originalError;
    return error;
}
function addKey(injector, key) {
    this.injectors.push(injector);
    this.keys.push(key);
    // Note: This updated message won't be reflected in the `.stack` property
    this.message = this.constructResolvingMessage(this.keys);
}
/**
 * Thrown when trying to retrieve a dependency by key from {@link Injector}, but the
 * {@link Injector} does not have a {@link Provider} for the given key.
 *
 * @usageNotes
 * ### Example
 *
 * ```typescript
 * class A {
 *   constructor(b:B) {}
 * }
 *
 * expect(() => Injector.resolveAndCreate([A])).toThrowError();
 * ```
 */
function noProviderError(injector, key) {
    return injectionError(injector, key, function (keys) {
        const first = stringify(keys[0].token);
        return `No provider for ${first}!${constructResolvingPath(keys)}`;
    });
}
/**
 * Thrown when dependencies form a cycle.
 *
 * @usageNotes
 * ### Example
 *
 * ```typescript
 * var injector = Injector.resolveAndCreate([
 *   {provide: "one", useFactory: (two) => "two", deps: [[new Inject("two")]]},
 *   {provide: "two", useFactory: (one) => "one", deps: [[new Inject("one")]]}
 * ]);
 *
 * expect(() => injector.get("one")).toThrowError();
 * ```
 *
 * Retrieving `A` or `B` throws a `CyclicDependencyError` as the graph above cannot be constructed.
 */
function cyclicDependencyError(injector, key) {
    return injectionError(injector, key, function (keys) {
        return `Cannot instantiate cyclic dependency!${constructResolvingPath(keys)}`;
    });
}
/**
 * Thrown when a constructing type returns with an Error.
 *
 * The `InstantiationError` class contains the original error plus the dependency graph which caused
 * this object to be instantiated.
 *
 * @usageNotes
 * ### Example
 *
 * ```typescript
 * class A {
 *   constructor() {
 *     throw new Error('message');
 *   }
 * }
 *
 * var injector = Injector.resolveAndCreate([A]);

 * try {
 *   injector.get(A);
 * } catch (e) {
 *   expect(e instanceof InstantiationError).toBe(true);
 *   expect(e.originalException.message).toEqual("message");
 *   expect(e.originalStack).toBeDefined();
 * }
 * ```
 */
function instantiationError(injector, originalException, originalStack, key) {
    return injectionError(injector, key, function (keys) {
        const first = stringify(keys[0].token);
        return `${originalException.message}: Error during instantiation of ${first}!${constructResolvingPath(keys)}.`;
    }, originalException);
}
/**
 * Thrown when an object other then {@link Provider} (or `Type`) is passed to {@link Injector}
 * creation.
 *
 * @usageNotes
 * ### Example
 *
 * ```typescript
 * expect(() => Injector.resolveAndCreate(["not a type"])).toThrowError();
 * ```
 */
function invalidProviderError(provider) {
    return Error(`Invalid provider - only instances of Provider and Type are allowed, got: ${provider}`);
}
/**
 * Thrown when the class has no annotation information.
 *
 * Lack of annotation information prevents the {@link Injector} from determining which dependencies
 * need to be injected into the constructor.
 *
 * @usageNotes
 * ### Example
 *
 * ```typescript
 * class A {
 *   constructor(b) {}
 * }
 *
 * expect(() => Injector.resolveAndCreate([A])).toThrowError();
 * ```
 *
 * This error is also thrown when the class not marked with {@link Injectable} has parameter types.
 *
 * ```typescript
 * class B {}
 *
 * class A {
 *   constructor(b:B) {} // no information about the parameter types of A is available at runtime.
 * }
 *
 * expect(() => Injector.resolveAndCreate([A,B])).toThrowError();
 * ```
 *
 */
function noAnnotationError(typeOrFunc, params) {
    const signature = [];
    for (let i = 0, ii = params.length; i < ii; i++) {
        const parameter = params[i];
        if (!parameter || parameter.length == 0) {
            signature.push('?');
        }
        else {
            signature.push(parameter.map(stringify).join(' '));
        }
    }
    return Error('Cannot resolve all parameters for \'' + stringify(typeOrFunc) + '\'(' +
        signature.join(', ') + '). ' +
        'Make sure that all the parameters are decorated with Inject or have valid type annotations and that \'' +
        stringify(typeOrFunc) + '\' is decorated with Injectable.');
}
/**
 * Thrown when getting an object by index.
 *
 * @usageNotes
 * ### Example
 *
 * ```typescript
 * class A {}
 *
 * var injector = Injector.resolveAndCreate([A]);
 *
 * expect(() => injector.getAt(100)).toThrowError();
 * ```
 *
 */
function outOfBoundsError(index) {
    return Error(`Index ${index} is out-of-bounds.`);
}
// TODO: add a working example after alpha38 is released
/**
 * Thrown when a multi provider and a regular provider are bound to the same token.
 *
 * @usageNotes
 * ### Example
 *
 * ```typescript
 * expect(() => Injector.resolveAndCreate([
 *   { provide: "Strings", useValue: "string1", multi: true},
 *   { provide: "Strings", useValue: "string2", multi: false}
 * ])).toThrowError();
 * ```
 */
function mixingMultiProvidersWithRegularProvidersError(provider1, provider2) {
    return Error(`Cannot mix multi providers and regular providers, got: ${provider1} ${provider2}`);
}

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
/**
 * A unique object used for retrieving items from the {@link ReflectiveInjector}.
 *
 * Keys have:
 * - a system-wide unique `id`.
 * - a `token`.
 *
 * `Key` is used internally by {@link ReflectiveInjector} because its system-wide unique `id` allows
 * the
 * injector to store created objects in a more efficient way.
 *
 * `Key` should not be created directly. {@link ReflectiveInjector} creates keys automatically when
 * resolving
 * providers.
 *
 * @deprecated No replacement
 * @publicApi
 */
class ReflectiveKey {
    /**
     * Private
     */
    constructor(token, id) {
        this.token = token;
        this.id = id;
        if (!token) {
            throw new Error('Token must be defined!');
        }
        this.displayName = stringify(this.token);
    }
    /**
     * Retrieves a `Key` for a token.
     */
    static get(token) {
        return _globalKeyRegistry.get(resolveForwardRef(token));
    }
    /**
     * @returns the number of keys registered in the system.
     */
    static get numberOfKeys() {
        return _globalKeyRegistry.numberOfKeys;
    }
}
class KeyRegistry {
    constructor() {
        this._allKeys = new Map();
    }
    get(token) {
        if (token instanceof ReflectiveKey)
            return token;
        if (this._allKeys.has(token)) {
            return this._allKeys.get(token);
        }
        const newKey = new ReflectiveKey(token, ReflectiveKey.numberOfKeys);
        this._allKeys.set(token, newKey);
        return newKey;
    }
    get numberOfKeys() {
        return this._allKeys.size;
    }
}
const _globalKeyRegistry = new KeyRegistry();

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
/**
 * Provides access to reflection data about symbols. Used internally by Angular
 * to power dependency injection and compilation.
 */
class Reflector {
    constructor(reflectionCapabilities) {
        this.reflectionCapabilities = reflectionCapabilities;
    }
    updateCapabilities(caps) {
        this.reflectionCapabilities = caps;
    }
    factory(type) {
        return this.reflectionCapabilities.factory(type);
    }
    parameters(typeOrFunc) {
        return this.reflectionCapabilities.parameters(typeOrFunc);
    }
    annotations(typeOrFunc) {
        return this.reflectionCapabilities.annotations(typeOrFunc);
    }
    propMetadata(typeOrFunc) {
        return this.reflectionCapabilities.propMetadata(typeOrFunc);
    }
    hasLifecycleHook(type, lcProperty) {
        return this.reflectionCapabilities.hasLifecycleHook(type, lcProperty);
    }
    getter(name) {
        return this.reflectionCapabilities.getter(name);
    }
    setter(name) {
        return this.reflectionCapabilities.setter(name);
    }
    method(name) {
        return this.reflectionCapabilities.method(name);
    }
    importUri(type) {
        return this.reflectionCapabilities.importUri(type);
    }
    resourceUri(type) {
        return this.reflectionCapabilities.resourceUri(type);
    }
    resolveIdentifier(name, moduleUrl, members, runtime) {
        return this.reflectionCapabilities.resolveIdentifier(name, moduleUrl, members, runtime);
    }
    resolveEnum(identifier, name) {
        return this.reflectionCapabilities.resolveEnum(identifier, name);
    }
}

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
/**
 * The {@link Reflector} used internally in Angular to access metadata
 * about symbols.
 */
const reflector = new Reflector(new ReflectionCapabilities());

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
/**
 * `Dependency` is used by the framework to extend DI.
 * This is internal to Angular and should not be used directly.
 */
class ReflectiveDependency {
    constructor(key, optional, visibility) {
        this.key = key;
        this.optional = optional;
        this.visibility = visibility;
    }
    static fromKey(key) {
        return new ReflectiveDependency(key, false, null);
    }
}
const _EMPTY_LIST = [];
class ResolvedReflectiveProvider_ {
    constructor(key, resolvedFactories, multiProvider) {
        this.key = key;
        this.resolvedFactories = resolvedFactories;
        this.multiProvider = multiProvider;
        this.resolvedFactory = this.resolvedFactories[0];
    }
}
/**
 * An internal resolved representation of a factory function created by resolving `Provider`.
 * @publicApi
 */
class ResolvedReflectiveFactory {
    constructor(
    /**
     * Factory function which can return an instance of an object represented by a key.
     */
    factory, 
    /**
     * Arguments (dependencies) to the `factory` function.
     */
    dependencies) {
        this.factory = factory;
        this.dependencies = dependencies;
    }
}
/**
 * Resolve a single provider.
 */
function resolveReflectiveFactory(provider) {
    let factoryFn;
    let resolvedDeps;
    if (provider.useClass) {
        const useClass = resolveForwardRef(provider.useClass);
        factoryFn = reflector.factory(useClass);
        resolvedDeps = _dependenciesFor(useClass);
    }
    else if (provider.useExisting) {
        factoryFn = (aliasInstance) => aliasInstance;
        resolvedDeps = [ReflectiveDependency.fromKey(ReflectiveKey.get(provider.useExisting))];
    }
    else if (provider.useFactory) {
        factoryFn = provider.useFactory;
        resolvedDeps = constructDependencies(provider.useFactory, provider.deps);
    }
    else {
        factoryFn = () => provider.useValue;
        resolvedDeps = _EMPTY_LIST;
    }
    return new ResolvedReflectiveFactory(factoryFn, resolvedDeps);
}
/**
 * Converts the `Provider` into `ResolvedProvider`.
 *
 * `Injector` internally only uses `ResolvedProvider`, `Provider` contains convenience provider
 * syntax.
 */
function resolveReflectiveProvider(provider) {
    return new ResolvedReflectiveProvider_(ReflectiveKey.get(provider.provide), [resolveReflectiveFactory(provider)], provider.multi || false);
}
/**
 * Resolve a list of Providers.
 */
function resolveReflectiveProviders(providers) {
    const normalized = _normalizeProviders(providers, []);
    const resolved = normalized.map(resolveReflectiveProvider);
    const resolvedProviderMap = mergeResolvedReflectiveProviders(resolved, new Map());
    return Array.from(resolvedProviderMap.values());
}
/**
 * Merges a list of ResolvedProviders into a list where each key is contained exactly once and
 * multi providers have been merged.
 */
function mergeResolvedReflectiveProviders(providers, normalizedProvidersMap) {
    for (let i = 0; i < providers.length; i++) {
        const provider = providers[i];
        const existing = normalizedProvidersMap.get(provider.key.id);
        if (existing) {
            if (provider.multiProvider !== existing.multiProvider) {
                throw mixingMultiProvidersWithRegularProvidersError(existing, provider);
            }
            if (provider.multiProvider) {
                for (let j = 0; j < provider.resolvedFactories.length; j++) {
                    existing.resolvedFactories.push(provider.resolvedFactories[j]);
                }
            }
            else {
                normalizedProvidersMap.set(provider.key.id, provider);
            }
        }
        else {
            let resolvedProvider;
            if (provider.multiProvider) {
                resolvedProvider = new ResolvedReflectiveProvider_(provider.key, provider.resolvedFactories.slice(), provider.multiProvider);
            }
            else {
                resolvedProvider = provider;
            }
            normalizedProvidersMap.set(provider.key.id, resolvedProvider);
        }
    }
    return normalizedProvidersMap;
}
function _normalizeProviders(providers, res) {
    providers.forEach(b => {
        if (b instanceof Type) {
            res.push({ provide: b, useClass: b });
        }
        else if (b && typeof b == 'object' && b.provide !== undefined) {
            res.push(b);
        }
        else if (Array.isArray(b)) {
            _normalizeProviders(b, res);
        }
        else {
            throw invalidProviderError(b);
        }
    });
    return res;
}
function constructDependencies(typeOrFunc, dependencies) {
    if (!dependencies) {
        return _dependenciesFor(typeOrFunc);
    }
    else {
        const params = dependencies.map(t => [t]);
        return dependencies.map(t => _extractToken(typeOrFunc, t, params));
    }
}
function _dependenciesFor(typeOrFunc) {
    const params = reflector.parameters(typeOrFunc);
    if (!params)
        return [];
    if (params.some(p => p == null)) {
        throw noAnnotationError(typeOrFunc, params);
    }
    return params.map(p => _extractToken(typeOrFunc, p, params));
}
function _extractToken(typeOrFunc, metadata, params) {
    let token = null;
    let optional = false;
    if (!Array.isArray(metadata)) {
        if (metadata instanceof Inject) {
            return _createDependency(metadata.token, optional, null);
        }
        else {
            return _createDependency(metadata, optional, null);
        }
    }
    let visibility = null;
    for (let i = 0; i < metadata.length; ++i) {
        const paramMetadata = metadata[i];
        if (paramMetadata instanceof Type) {
            token = paramMetadata;
        }
        else if (paramMetadata instanceof Inject) {
            token = paramMetadata.token;
        }
        else if (paramMetadata instanceof Optional) {
            optional = true;
        }
        else if (paramMetadata instanceof Self || paramMetadata instanceof SkipSelf) {
            visibility = paramMetadata;
        }
        else if (paramMetadata instanceof InjectionToken) {
            token = paramMetadata;
        }
    }
    token = resolveForwardRef(token);
    if (token != null) {
        return _createDependency(token, optional, visibility);
    }
    else {
        throw noAnnotationError(typeOrFunc, params);
    }
}
function _createDependency(token, optional, visibility) {
    return new ReflectiveDependency(ReflectiveKey.get(token), optional, visibility);
}

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
// Threshold for the dynamic version
const UNDEFINED = {};
/**
 * A ReflectiveDependency injection container used for instantiating objects and resolving
 * dependencies.
 *
 * An `Injector` is a replacement for a `new` operator, which can automatically resolve the
 * constructor dependencies.
 *
 * In typical use, application code asks for the dependencies in the constructor and they are
 * resolved by the `Injector`.
 *
 * @usageNotes
 * ### Example
 *
 * The following example creates an `Injector` configured to create `Engine` and `Car`.
 *
 * ```typescript
 * @Injectable()
 * class Engine {
 * }
 *
 * @Injectable()
 * class Car {
 *   constructor(public engine:Engine) {}
 * }
 *
 * var injector = ReflectiveInjector.resolveAndCreate([Car, Engine]);
 * var car = injector.get(Car);
 * expect(car instanceof Car).toBe(true);
 * expect(car.engine instanceof Engine).toBe(true);
 * ```
 *
 * Notice, we don't use the `new` operator because we explicitly want to have the `Injector`
 * resolve all of the object's dependencies automatically.
 *
 * @deprecated from v5 - slow and brings in a lot of code, Use `Injector.create` instead.
 * @publicApi
 */
class ReflectiveInjector {
    /**
     * Turns an array of provider definitions into an array of resolved providers.
     *
     * A resolution is a process of flattening multiple nested arrays and converting individual
     * providers into an array of `ResolvedReflectiveProvider`s.
     *
     * @usageNotes
     * ### Example
     *
     * ```typescript
     * @Injectable()
     * class Engine {
     * }
     *
     * @Injectable()
     * class Car {
     *   constructor(public engine:Engine) {}
     * }
     *
     * var providers = ReflectiveInjector.resolve([Car, [[Engine]]]);
     *
     * expect(providers.length).toEqual(2);
     *
     * expect(providers[0] instanceof ResolvedReflectiveProvider).toBe(true);
     * expect(providers[0].key.displayName).toBe("Car");
     * expect(providers[0].dependencies.length).toEqual(1);
     * expect(providers[0].factory).toBeDefined();
     *
     * expect(providers[1].key.displayName).toBe("Engine");
     * });
     * ```
     *
     */
    static resolve(providers) {
        return resolveReflectiveProviders(providers);
    }
    /**
     * Resolves an array of providers and creates an injector from those providers.
     *
     * The passed-in providers can be an array of `Type`, `Provider`,
     * or a recursive array of more providers.
     *
     * @usageNotes
     * ### Example
     *
     * ```typescript
     * @Injectable()
     * class Engine {
     * }
     *
     * @Injectable()
     * class Car {
     *   constructor(public engine:Engine) {}
     * }
     *
     * var injector = ReflectiveInjector.resolveAndCreate([Car, Engine]);
     * expect(injector.get(Car) instanceof Car).toBe(true);
     * ```
     */
    static resolveAndCreate(providers, parent) {
        const ResolvedReflectiveProviders = ReflectiveInjector.resolve(providers);
        return ReflectiveInjector.fromResolvedProviders(ResolvedReflectiveProviders, parent);
    }
    /**
     * Creates an injector from previously resolved providers.
     *
     * This API is the recommended way to construct injectors in performance-sensitive parts.
     *
     * @usageNotes
     * ### Example
     *
     * ```typescript
     * @Injectable()
     * class Engine {
     * }
     *
     * @Injectable()
     * class Car {
     *   constructor(public engine:Engine) {}
     * }
     *
     * var providers = ReflectiveInjector.resolve([Car, Engine]);
     * var injector = ReflectiveInjector.fromResolvedProviders(providers);
     * expect(injector.get(Car) instanceof Car).toBe(true);
     * ```
     */
    static fromResolvedProviders(providers, parent) {
        return new ReflectiveInjector_(providers, parent);
    }
}
class ReflectiveInjector_ {
    /**
     * Private
     */
    constructor(_providers, _parent) {
        /** @internal */
        this._constructionCounter = 0;
        this._providers = _providers;
        this.parent = _parent || null;
        const len = _providers.length;
        this.keyIds = [];
        this.objs = [];
        for (let i = 0; i < len; i++) {
            this.keyIds[i] = _providers[i].key.id;
            this.objs[i] = UNDEFINED;
        }
    }
    get(token, notFoundValue = THROW_IF_NOT_FOUND) {
        return this._getByKey(ReflectiveKey.get(token), null, notFoundValue);
    }
    resolveAndCreateChild(providers) {
        const ResolvedReflectiveProviders = ReflectiveInjector.resolve(providers);
        return this.createChildFromResolved(ResolvedReflectiveProviders);
    }
    createChildFromResolved(providers) {
        const inj = new ReflectiveInjector_(providers);
        inj.parent = this;
        return inj;
    }
    resolveAndInstantiate(provider) {
        return this.instantiateResolved(ReflectiveInjector.resolve([provider])[0]);
    }
    instantiateResolved(provider) {
        return this._instantiateProvider(provider);
    }
    getProviderAtIndex(index) {
        if (index < 0 || index >= this._providers.length) {
            throw outOfBoundsError(index);
        }
        return this._providers[index];
    }
    /** @internal */
    _new(provider) {
        if (this._constructionCounter++ > this._getMaxNumberOfObjects()) {
            throw cyclicDependencyError(this, provider.key);
        }
        return this._instantiateProvider(provider);
    }
    _getMaxNumberOfObjects() {
        return this.objs.length;
    }
    _instantiateProvider(provider) {
        if (provider.multiProvider) {
            const res = [];
            for (let i = 0; i < provider.resolvedFactories.length; ++i) {
                res[i] = this._instantiate(provider, provider.resolvedFactories[i]);
            }
            return res;
        }
        else {
            return this._instantiate(provider, provider.resolvedFactories[0]);
        }
    }
    _instantiate(provider, ResolvedReflectiveFactory) {
        const factory = ResolvedReflectiveFactory.factory;
        let deps;
        try {
            deps =
                ResolvedReflectiveFactory.dependencies.map(dep => this._getByReflectiveDependency(dep));
        }
        catch (e) {
            if (e.addKey) {
                e.addKey(this, provider.key);
            }
            throw e;
        }
        let obj;
        try {
            obj = factory(...deps);
        }
        catch (e) {
            throw instantiationError(this, e, e.stack, provider.key);
        }
        return obj;
    }
    _getByReflectiveDependency(dep) {
        return this._getByKey(dep.key, dep.visibility, dep.optional ? null : THROW_IF_NOT_FOUND);
    }
    _getByKey(key, visibility, notFoundValue) {
        if (key === ReflectiveInjector_.INJECTOR_KEY) {
            return this;
        }
        if (visibility instanceof Self) {
            return this._getByKeySelf(key, notFoundValue);
        }
        else {
            return this._getByKeyDefault(key, notFoundValue, visibility);
        }
    }
    _getObjByKeyId(keyId) {
        for (let i = 0; i < this.keyIds.length; i++) {
            if (this.keyIds[i] === keyId) {
                if (this.objs[i] === UNDEFINED) {
                    this.objs[i] = this._new(this._providers[i]);
                }
                return this.objs[i];
            }
        }
        return UNDEFINED;
    }
    /** @internal */
    _throwOrNull(key, notFoundValue) {
        if (notFoundValue !== THROW_IF_NOT_FOUND) {
            return notFoundValue;
        }
        else {
            throw noProviderError(this, key);
        }
    }
    /** @internal */
    _getByKeySelf(key, notFoundValue) {
        const obj = this._getObjByKeyId(key.id);
        return (obj !== UNDEFINED) ? obj : this._throwOrNull(key, notFoundValue);
    }
    /** @internal */
    _getByKeyDefault(key, notFoundValue, visibility) {
        let inj;
        if (visibility instanceof SkipSelf) {
            inj = this.parent;
        }
        else {
            inj = this;
        }
        while (inj instanceof ReflectiveInjector_) {
            const inj_ = inj;
            const obj = inj_._getObjByKeyId(key.id);
            if (obj !== UNDEFINED)
                return obj;
            inj = inj_.parent;
        }
        if (inj !== null) {
            return inj.get(key.token, notFoundValue);
        }
        else {
            return this._throwOrNull(key, notFoundValue);
        }
    }
    get displayName() {
        const providers = _mapProviders(this, (b) => ' "' + b.key.displayName + '" ')
            .join(', ');
        return `ReflectiveInjector(providers: [${providers}])`;
    }
    toString() {
        return this.displayName;
    }
}
ReflectiveInjector_.INJECTOR_KEY = ReflectiveKey.get(Injector);
function _mapProviders(injector, fn) {
    const res = [];
    for (let i = 0; i < injector._providers.length; ++i) {
        res[i] = fn(injector.getProviderAtIndex(i));
    }
    return res;
}

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
function ɵɵdirectiveInject(token, flags = InjectFlags.Default) {
    const lView = getLView();
    // Fall back to inject() if view hasn't been created. This situation can happen in tests
    // if inject utilities are used before bootstrapping.
    if (lView === null) {
        // Verify that we will not get into infinite loop.
        ngDevMode && assertInjectImplementationNotEqual(ɵɵdirectiveInject);
        return ɵɵinject(token, flags);
    }
    const tNode = getCurrentTNode();
    return getOrCreateInjectable(tNode, lView, resolveForwardRef(token), flags);
}
/**
 * Throws an error indicating that a factory function could not be generated by the compiler for a
 * particular class.
 *
 * This instruction allows the actual error message to be optimized away when ngDevMode is turned
 * off, saving bytes of generated code while still providing a good experience in dev mode.
 *
 * The name of the class is not mentioned here, but will be in the generated factory function name
 * and thus in the stack trace.
 *
 * @codeGenApi
 */
function ɵɵinvalidFactory() {
    const msg = ngDevMode ? `This constructor was not compatible with Dependency Injection.` : 'invalid';
    throw new Error(msg);
}

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
/**
 * Update a property on a selected element.
 *
 * Operates on the element selected by index via the {@link select} instruction.
 *
 * If the property name also exists as an input property on one of the element's directives,
 * the component property will be set instead of the element property. This check must
 * be conducted at runtime so child components that add new `@Inputs` don't have to be re-compiled
 *
 * @param propName Name of property. Because it is going to DOM, this is not subject to
 *        renaming as part of minification.
 * @param value New value to write.
 * @param sanitizer An optional function used to sanitize the value.
 * @returns This function returns itself so that it may be chained
 * (e.g. `property('name', ctx.name)('title', ctx.title)`)
 *
 * @codeGenApi
 */
function ɵɵproperty(propName, value, sanitizer) {
    const lView = getLView();
    const bindingIndex = nextBindingIndex();
    if (bindingUpdated(lView, bindingIndex, value)) {
        const tView = getTView();
        const tNode = getSelectedTNode();
        elementPropertyInternal(tView, tNode, lView, propName, value, lView[RENDERER], sanitizer, false);
        ngDevMode && storePropertyBindingMetadata(tView.data, tNode, propName, bindingIndex);
    }
    return ɵɵproperty;
}
/**
 * Given `<div style="..." my-dir>` and `MyDir` with `@Input('style')` we need to write to
 * directive input.
 */
function setDirectiveInputsWhichShadowsStyling(tView, tNode, lView, value, isClassBased) {
    const inputs = tNode.inputs;
    const property = isClassBased ? 'class' : 'style';
    // We support both 'class' and `className` hence the fallback.
    setInputsForProperty(tView, lView, inputs[property], property, value);
}

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
function elementStartFirstCreatePass(index, tView, lView, native, name, attrsIndex, localRefsIndex) {
    ngDevMode && assertFirstCreatePass(tView);
    ngDevMode && ngDevMode.firstCreatePass++;
    const tViewConsts = tView.consts;
    const attrs = getConstant(tViewConsts, attrsIndex);
    const tNode = getOrCreateTNode(tView, index, 2 /* Element */, name, attrs);
    const hasDirectives = resolveDirectives(tView, lView, tNode, getConstant(tViewConsts, localRefsIndex));
    ngDevMode && logUnknownElementError(tView, native, tNode, hasDirectives);
    if (tNode.attrs !== null) {
        computeStaticStyling(tNode, tNode.attrs, false);
    }
    if (tNode.mergedAttrs !== null) {
        computeStaticStyling(tNode, tNode.mergedAttrs, true);
    }
    if (tView.queries !== null) {
        tView.queries.elementStart(tView, tNode);
    }
    return tNode;
}
/**
 * Create DOM element. The instruction must later be followed by `elementEnd()` call.
 *
 * @param index Index of the element in the LView array
 * @param name Name of the DOM Node
 * @param attrsIndex Index of the element's attributes in the `consts` array.
 * @param localRefsIndex Index of the element's local references in the `consts` array.
 *
 * Attributes and localRefs are passed as an array of strings where elements with an even index
 * hold an attribute name and elements with an odd index hold an attribute value, ex.:
 * ['id', 'warning5', 'class', 'alert']
 *
 * @codeGenApi
 */
function ɵɵelementStart(index, name, attrsIndex, localRefsIndex) {
    const lView = getLView();
    const tView = getTView();
    const adjustedIndex = HEADER_OFFSET + index;
    ngDevMode &&
        assertEqual(getBindingIndex(), tView.bindingStartIndex, 'elements should be created before any bindings');
    ngDevMode && assertIndexInRange(lView, adjustedIndex);
    const renderer = lView[RENDERER];
    const native = lView[adjustedIndex] = createElementNode(renderer, name, getNamespace());
    const tNode = tView.firstCreatePass ?
        elementStartFirstCreatePass(adjustedIndex, tView, lView, native, name, attrsIndex, localRefsIndex) :
        tView.data[adjustedIndex];
    setCurrentTNode(tNode, true);
    const mergedAttrs = tNode.mergedAttrs;
    if (mergedAttrs !== null) {
        setUpAttributes(renderer, native, mergedAttrs);
    }
    const classes = tNode.classes;
    if (classes !== null) {
        writeDirectClass(renderer, native, classes);
    }
    const styles = tNode.styles;
    if (styles !== null) {
        writeDirectStyle(renderer, native, styles);
    }
    if ((tNode.flags & 64 /* isDetached */) !== 64 /* isDetached */) {
        // In the i18n case, the translation may have removed this element, so only add it if it is not
        // detached. See `TNodeType.Placeholder` and `LFrame.inI18n` for more context.
        appendChild(tView, lView, native, tNode);
    }
    // any immediate children of a component or template container must be pre-emptively
    // monkey-patched with the component view data so that the element can be inspected
    // later on using any element discovery utility methods (see `element_discovery.ts`)
    if (getElementDepthCount() === 0) {
        attachPatchData(native, lView);
    }
    increaseElementDepthCount();
    if (isDirectiveHost(tNode)) {
        createDirectivesInstances(tView, lView, tNode);
        executeContentQueries(tView, tNode, lView);
    }
    if (localRefsIndex !== null) {
        saveResolvedLocalsInData(lView, tNode);
    }
}
/**
 * Mark the end of the element.
 *
 * @codeGenApi
 */
function ɵɵelementEnd() {
    let currentTNode = getCurrentTNode();
    ngDevMode && assertDefined(currentTNode, 'No parent node to close.');
    if (isCurrentTNodeParent()) {
        setCurrentTNodeAsNotParent();
    }
    else {
        ngDevMode && assertHasParent(getCurrentTNode());
        currentTNode = currentTNode.parent;
        setCurrentTNode(currentTNode, false);
    }
    const tNode = currentTNode;
    ngDevMode && assertTNodeType(tNode, 3 /* AnyRNode */);
    decreaseElementDepthCount();
    const tView = getTView();
    if (tView.firstCreatePass) {
        registerPostOrderHooks(tView, currentTNode);
        if (isContentQueryHost(currentTNode)) {
            tView.queries.elementEnd(currentTNode);
        }
    }
    if (tNode.classesWithoutHost != null && hasClassInput(tNode)) {
        setDirectiveInputsWhichShadowsStyling(tView, tNode, getLView(), tNode.classesWithoutHost, true);
    }
    if (tNode.stylesWithoutHost != null && hasStyleInput(tNode)) {
        setDirectiveInputsWhichShadowsStyling(tView, tNode, getLView(), tNode.stylesWithoutHost, false);
    }
}
/**
 * Creates an empty element using {@link elementStart} and {@link elementEnd}
 *
 * @param index Index of the element in the data array
 * @param name Name of the DOM Node
 * @param attrsIndex Index of the element's attributes in the `consts` array.
 * @param localRefsIndex Index of the element's local references in the `consts` array.
 *
 * @codeGenApi
 */
function ɵɵelement(index, name, attrsIndex, localRefsIndex) {
    ɵɵelementStart(index, name, attrsIndex, localRefsIndex);
    ɵɵelementEnd();
}
function logUnknownElementError(tView, element, tNode, hasDirectives) {
    const schemas = tView.schemas;
    // If `schemas` is set to `null`, that's an indication that this Component was compiled in AOT
    // mode where this check happens at compile time. In JIT mode, `schemas` is always present and
    // defined as an array (as an empty array in case `schemas` field is not defined) and we should
    // execute the check below.
    if (schemas === null)
        return;
    const tagName = tNode.value;
    // If the element matches any directive, it's considered as valid.
    if (!hasDirectives && tagName !== null) {
        // The element is unknown if it's an instance of HTMLUnknownElement or it isn't registered
        // as a custom element. Note that unknown elements with a dash in their name won't be instances
        // of HTMLUnknownElement in browsers that support web components.
        const isUnknown = 
        // Note that we can't check for `typeof HTMLUnknownElement === 'function'`,
        // because while most browsers return 'function', IE returns 'object'.
        (typeof HTMLUnknownElement !== 'undefined' && HTMLUnknownElement &&
            element instanceof HTMLUnknownElement) ||
            (typeof customElements !== 'undefined' && tagName.indexOf('-') > -1 &&
                !customElements.get(tagName));
        if (isUnknown && !matchingSchemas(tView, tagName)) {
            let message = `'${tagName}' is not a known element:\n`;
            message += `1. If '${tagName}' is an Angular component, then verify that it is part of this module.\n`;
            if (tagName && tagName.indexOf('-') > -1) {
                message += `2. If '${tagName}' is a Web Component then add 'CUSTOM_ELEMENTS_SCHEMA' to the '@NgModule.schemas' of this component to suppress this message.`;
            }
            else {
                message +=
                    `2. To allow any element add 'NO_ERRORS_SCHEMA' to the '@NgModule.schemas' of this component.`;
            }
            console.error(formatRuntimeError("304" /* UNKNOWN_ELEMENT */, message));
        }
    }
}

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
function elementContainerStartFirstCreatePass(index, tView, lView, attrsIndex, localRefsIndex) {
    ngDevMode && ngDevMode.firstCreatePass++;
    const tViewConsts = tView.consts;
    const attrs = getConstant(tViewConsts, attrsIndex);
    const tNode = getOrCreateTNode(tView, index, 8 /* ElementContainer */, 'ng-container', attrs);
    // While ng-container doesn't necessarily support styling, we use the style context to identify
    // and execute directives on the ng-container.
    if (attrs !== null) {
        computeStaticStyling(tNode, attrs, true);
    }
    const localRefs = getConstant(tViewConsts, localRefsIndex);
    resolveDirectives(tView, lView, tNode, localRefs);
    if (tView.queries !== null) {
        tView.queries.elementStart(tView, tNode);
    }
    return tNode;
}
/**
 * Creates a logical container for other nodes (<ng-container>) backed by a comment node in the DOM.
 * The instruction must later be followed by `elementContainerEnd()` call.
 *
 * @param index Index of the element in the LView array
 * @param attrsIndex Index of the container attributes in the `consts` array.
 * @param localRefsIndex Index of the container's local references in the `consts` array.
 *
 * Even if this instruction accepts a set of attributes no actual attribute values are propagated to
 * the DOM (as a comment node can't have attributes). Attributes are here only for directive
 * matching purposes and setting initial inputs of directives.
 *
 * @codeGenApi
 */
function ɵɵelementContainerStart(index, attrsIndex, localRefsIndex) {
    const lView = getLView();
    const tView = getTView();
    const adjustedIndex = index + HEADER_OFFSET;
    ngDevMode && assertIndexInRange(lView, adjustedIndex);
    ngDevMode &&
        assertEqual(getBindingIndex(), tView.bindingStartIndex, 'element containers should be created before any bindings');
    const tNode = tView.firstCreatePass ?
        elementContainerStartFirstCreatePass(adjustedIndex, tView, lView, attrsIndex, localRefsIndex) :
        tView.data[adjustedIndex];
    setCurrentTNode(tNode, true);
    ngDevMode && ngDevMode.rendererCreateComment++;
    const native = lView[adjustedIndex] =
        lView[RENDERER].createComment(ngDevMode ? 'ng-container' : '');
    appendChild(tView, lView, native, tNode);
    attachPatchData(native, lView);
    if (isDirectiveHost(tNode)) {
        createDirectivesInstances(tView, lView, tNode);
        executeContentQueries(tView, tNode, lView);
    }
    if (localRefsIndex != null) {
        saveResolvedLocalsInData(lView, tNode);
    }
}
/**
 * Mark the end of the <ng-container>.
 *
 * @codeGenApi
 */
function ɵɵelementContainerEnd() {
    let currentTNode = getCurrentTNode();
    const tView = getTView();
    if (isCurrentTNodeParent()) {
        setCurrentTNodeAsNotParent();
    }
    else {
        ngDevMode && assertHasParent(currentTNode);
        currentTNode = currentTNode.parent;
        setCurrentTNode(currentTNode, false);
    }
    ngDevMode && assertTNodeType(currentTNode, 8 /* ElementContainer */);
    if (tView.firstCreatePass) {
        registerPostOrderHooks(tView, currentTNode);
        if (isContentQueryHost(currentTNode)) {
            tView.queries.elementEnd(currentTNode);
        }
    }
}
/**
 * Creates an empty logical container using {@link elementContainerStart}
 * and {@link elementContainerEnd}
 *
 * @param index Index of the element in the LView array
 * @param attrsIndex Index of the container attributes in the `consts` array.
 * @param localRefsIndex Index of the container's local references in the `consts` array.
 *
 * @codeGenApi
 */
function ɵɵelementContainer(index, attrsIndex, localRefsIndex) {
    ɵɵelementContainerStart(index, attrsIndex, localRefsIndex);
    ɵɵelementContainerEnd();
}

/**
 * Returns the current OpaqueViewState instance.
 *
 * Used in conjunction with the restoreView() instruction to save a snapshot
 * of the current view and restore it when listeners are invoked. This allows
 * walking the declaration view tree in listeners to get vars from parent views.
 *
 * @codeGenApi
 */
function ɵɵgetCurrentView() {
    return getLView();
}

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
/**
 * Determine if the argument is shaped like a Promise
 */
function isPromise(obj) {
    // allow any Promise/A+ compliant thenable.
    // It's up to the caller to ensure that obj.then conforms to the spec
    return !!obj && typeof obj.then === 'function';
}
/**
 * Determine if the argument is a Subscribable
 */
function isSubscribable(obj) {
    return !!obj && typeof obj.subscribe === 'function';
}
/**
 * Determine if the argument is an Observable
 *
 * Strictly this tests that the `obj` is `Subscribable`, since `Observable`
 * types need additional methods, such as `lift()`. But it is adequate for our
 * needs since within the Angular framework code we only ever need to use the
 * `subscribe()` method, and RxJS has mechanisms to wrap `Subscribable` objects
 * into `Observable` as needed.
 */
const isObservable = isSubscribable;

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
/**
 * Adds an event listener to the current node.
 *
 * If an output exists on one of the node's directives, it also subscribes to the output
 * and saves the subscription for later cleanup.
 *
 * @param eventName Name of the event
 * @param listenerFn The function to be called when event emits
 * @param useCapture Whether or not to use capture in event listener
 * @param eventTargetResolver Function that returns global target information in case this listener
 * should be attached to a global object like window, document or body
 *
 * @codeGenApi
 */
function ɵɵlistener(eventName, listenerFn, useCapture, eventTargetResolver) {
    const lView = getLView();
    const tView = getTView();
    const tNode = getCurrentTNode();
    listenerInternal(tView, lView, lView[RENDERER], tNode, eventName, listenerFn, !!useCapture, eventTargetResolver);
    return ɵɵlistener;
}
/**
 * Registers a synthetic host listener (e.g. `(@foo.start)`) on a component or directive.
 *
 * This instruction is for compatibility purposes and is designed to ensure that a
 * synthetic host listener (e.g. `@HostListener('@foo.start')`) properly gets rendered
 * in the component's renderer. Normally all host listeners are evaluated with the
 * parent component's renderer, but, in the case of animation @triggers, they need
 * to be evaluated with the sub component's renderer (because that's where the
 * animation triggers are defined).
 *
 * Do not use this instruction as a replacement for `listener`. This instruction
 * only exists to ensure compatibility with the ViewEngine's host binding behavior.
 *
 * @param eventName Name of the event
 * @param listenerFn The function to be called when event emits
 * @param useCapture Whether or not to use capture in event listener
 * @param eventTargetResolver Function that returns global target information in case this listener
 * should be attached to a global object like window, document or body
 *
 * @codeGenApi
 */
function ɵɵsyntheticHostListener(eventName, listenerFn) {
    const tNode = getCurrentTNode();
    const lView = getLView();
    const tView = getTView();
    const currentDef = getCurrentDirectiveDef(tView.data);
    const renderer = loadComponentRenderer(currentDef, tNode, lView);
    listenerInternal(tView, lView, renderer, tNode, eventName, listenerFn, false);
    return ɵɵsyntheticHostListener;
}
/**
 * A utility function that checks if a given element has already an event handler registered for an
 * event with a specified name. The TView.cleanup data structure is used to find out which events
 * are registered for a given element.
 */
function findExistingListener(tView, lView, eventName, tNodeIdx) {
    const tCleanup = tView.cleanup;
    if (tCleanup != null) {
        for (let i = 0; i < tCleanup.length - 1; i += 2) {
            const cleanupEventName = tCleanup[i];
            if (cleanupEventName === eventName && tCleanup[i + 1] === tNodeIdx) {
                // We have found a matching event name on the same node but it might not have been
                // registered yet, so we must explicitly verify entries in the LView cleanup data
                // structures.
                const lCleanup = lView[CLEANUP];
                const listenerIdxInLCleanup = tCleanup[i + 2];
                return lCleanup.length > listenerIdxInLCleanup ? lCleanup[listenerIdxInLCleanup] : null;
            }
            // TView.cleanup can have a mix of 4-elements entries (for event handler cleanups) or
            // 2-element entries (for directive and queries destroy hooks). As such we can encounter
            // blocks of 4 or 2 items in the tView.cleanup and this is why we iterate over 2 elements
            // first and jump another 2 elements if we detect listeners cleanup (4 elements). Also check
            // documentation of TView.cleanup for more details of this data structure layout.
            if (typeof cleanupEventName === 'string') {
                i += 2;
            }
        }
    }
    return null;
}
function listenerInternal(tView, lView, renderer, tNode, eventName, listenerFn, useCapture, eventTargetResolver) {
    const isTNodeDirectiveHost = isDirectiveHost(tNode);
    const firstCreatePass = tView.firstCreatePass;
    const tCleanup = firstCreatePass && getOrCreateTViewCleanup(tView);
    const context = lView[CONTEXT];
    // When the ɵɵlistener instruction was generated and is executed we know that there is either a
    // native listener or a directive output on this element. As such we we know that we will have to
    // register a listener and store its cleanup function on LView.
    const lCleanup = getOrCreateLViewCleanup(lView);
    ngDevMode && assertTNodeType(tNode, 3 /* AnyRNode */ | 12 /* AnyContainer */);
    let processOutputs = true;
    // Adding a native event listener is applicable when:
    // - The corresponding TNode represents a DOM element.
    // - The event target has a resolver (usually resulting in a global object,
    //   such as `window` or `document`).
    if ((tNode.type & 3 /* AnyRNode */) || eventTargetResolver) {
        const native = getNativeByTNode(tNode, lView);
        const target = eventTargetResolver ? eventTargetResolver(native) : native;
        const lCleanupIndex = lCleanup.length;
        const idxOrTargetGetter = eventTargetResolver ?
            (_lView) => eventTargetResolver(unwrapRNode(_lView[tNode.index])) :
            tNode.index;
        // In order to match current behavior, native DOM event listeners must be added for all
        // events (including outputs).
        if (isProceduralRenderer(renderer)) {
            // There might be cases where multiple directives on the same element try to register an event
            // handler function for the same event. In this situation we want to avoid registration of
            // several native listeners as each registration would be intercepted by NgZone and
            // trigger change detection. This would mean that a single user action would result in several
            // change detections being invoked. To avoid this situation we want to have only one call to
            // native handler registration (for the same element and same type of event).
            //
            // In order to have just one native event handler in presence of multiple handler functions,
            // we just register a first handler function as a native event listener and then chain
            // (coalesce) other handler functions on top of the first native handler function.
            let existingListener = null;
            // Please note that the coalescing described here doesn't happen for events specifying an
            // alternative target (ex. (document:click)) - this is to keep backward compatibility with the
            // view engine.
            // Also, we don't have to search for existing listeners is there are no directives
            // matching on a given node as we can't register multiple event handlers for the same event in
            // a template (this would mean having duplicate attributes).
            if (!eventTargetResolver && isTNodeDirectiveHost) {
                existingListener = findExistingListener(tView, lView, eventName, tNode.index);
            }
            if (existingListener !== null) {
                // Attach a new listener to coalesced listeners list, maintaining the order in which
                // listeners are registered. For performance reasons, we keep a reference to the last
                // listener in that list (in `__ngLastListenerFn__` field), so we can avoid going through
                // the entire set each time we need to add a new listener.
                const lastListenerFn = existingListener.__ngLastListenerFn__ || existingListener;
                lastListenerFn.__ngNextListenerFn__ = listenerFn;
                existingListener.__ngLastListenerFn__ = listenerFn;
                processOutputs = false;
            }
            else {
                listenerFn = wrapListener(tNode, lView, context, listenerFn, false /** preventDefault */);
                const cleanupFn = renderer.listen(target, eventName, listenerFn);
                ngDevMode && ngDevMode.rendererAddEventListener++;
                lCleanup.push(listenerFn, cleanupFn);
                tCleanup && tCleanup.push(eventName, idxOrTargetGetter, lCleanupIndex, lCleanupIndex + 1);
            }
        }
        else {
            listenerFn = wrapListener(tNode, lView, context, listenerFn, true /** preventDefault */);
            target.addEventListener(eventName, listenerFn, useCapture);
            ngDevMode && ngDevMode.rendererAddEventListener++;
            lCleanup.push(listenerFn);
            tCleanup && tCleanup.push(eventName, idxOrTargetGetter, lCleanupIndex, useCapture);
        }
    }
    else {
        // Even if there is no native listener to add, we still need to wrap the listener so that OnPush
        // ancestors are marked dirty when an event occurs.
        listenerFn = wrapListener(tNode, lView, context, listenerFn, false /** preventDefault */);
    }
    // subscribe to directive outputs
    const outputs = tNode.outputs;
    let props;
    if (processOutputs && outputs !== null && (props = outputs[eventName])) {
        const propsLength = props.length;
        if (propsLength) {
            for (let i = 0; i < propsLength; i += 2) {
                const index = props[i];
                ngDevMode && assertIndexInRange(lView, index);
                const minifiedName = props[i + 1];
                const directiveInstance = lView[index];
                const output = directiveInstance[minifiedName];
                if (ngDevMode && !isObservable(output)) {
                    throw new Error(`@Output ${minifiedName} not initialized in '${directiveInstance.constructor.name}'.`);
                }
                const subscription = output.subscribe(listenerFn);
                const idx = lCleanup.length;
                lCleanup.push(listenerFn, subscription);
                tCleanup && tCleanup.push(eventName, tNode.index, idx, -(idx + 1));
            }
        }
    }
}
function executeListenerWithErrorHandling(lView, context, listenerFn, e) {
    try {
        profiler(6 /* OutputStart */, context, listenerFn);
        // Only explicitly returning false from a listener should preventDefault
        return listenerFn(e) !== false;
    }
    catch (error) {
        handleError(lView, error);
        return false;
    }
    finally {
        profiler(7 /* OutputEnd */, context, listenerFn);
    }
}
/**
 * Wraps an event listener with a function that marks ancestors dirty and prevents default behavior,
 * if applicable.
 *
 * @param tNode The TNode associated with this listener
 * @param lView The LView that contains this listener
 * @param listenerFn The listener function to call
 * @param wrapWithPreventDefault Whether or not to prevent default behavior
 * (the procedural renderer does this already, so in those cases, we should skip)
 */
function wrapListener(tNode, lView, context, listenerFn, wrapWithPreventDefault) {
    // Note: we are performing most of the work in the listener function itself
    // to optimize listener registration.
    return function wrapListenerIn_markDirtyAndPreventDefault(e) {
        // Ivy uses `Function` as a special token that allows us to unwrap the function
        // so that it can be invoked programmatically by `DebugNode.triggerEventHandler`.
        if (e === Function) {
            return listenerFn;
        }
        // In order to be backwards compatible with View Engine, events on component host nodes
        // must also mark the component view itself dirty (i.e. the view that it owns).
        const startView = tNode.flags & 2 /* isComponentHost */ ?
            getComponentLViewByIndex(tNode.index, lView) :
            lView;
        // See interfaces/view.ts for more on LViewFlags.ManualOnPush
        if ((lView[FLAGS] & 32 /* ManualOnPush */) === 0) {
            markViewDirty(startView);
        }
        let result = executeListenerWithErrorHandling(lView, context, listenerFn, e);
        // A just-invoked listener function might have coalesced listeners so we need to check for
        // their presence and invoke as needed.
        let nextListenerFn = wrapListenerIn_markDirtyAndPreventDefault.__ngNextListenerFn__;
        while (nextListenerFn) {
            // We should prevent default if any of the listeners explicitly return false
            result = executeListenerWithErrorHandling(lView, context, nextListenerFn, e) && result;
            nextListenerFn = nextListenerFn.__ngNextListenerFn__;
        }
        if (wrapWithPreventDefault && result === false) {
            e.preventDefault();
            // Necessary for legacy browsers that don't support preventDefault (e.g. IE)
            e.returnValue = false;
        }
        return result;
    };
}

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
/**
 * Retrieves a context at the level specified and saves it as the global, contextViewData.
 * Will get the next level up if level is not specified.
 *
 * This is used to save contexts of parent views so they can be bound in embedded views, or
 * in conjunction with reference() to bind a ref from a parent view.
 *
 * @param level The relative level of the view from which to grab context compared to contextVewData
 * @returns context
 *
 * @codeGenApi
 */
function ɵɵnextContext(level = 1) {
    return nextContextImpl(level);
}

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
/**
 * Checks a given node against matching projection slots and returns the
 * determined slot index. Returns "null" if no slot matched the given node.
 *
 * This function takes into account the parsed ngProjectAs selector from the
 * node's attributes. If present, it will check whether the ngProjectAs selector
 * matches any of the projection slot selectors.
 */
function matchingProjectionSlotIndex(tNode, projectionSlots) {
    let wildcardNgContentIndex = null;
    const ngProjectAsAttrVal = getProjectAsAttrValue(tNode);
    for (let i = 0; i < projectionSlots.length; i++) {
        const slotValue = projectionSlots[i];
        // The last wildcard projection slot should match all nodes which aren't matching
        // any selector. This is necessary to be backwards compatible with view engine.
        if (slotValue === '*') {
            wildcardNgContentIndex = i;
            continue;
        }
        // If we ran into an `ngProjectAs` attribute, we should match its parsed selector
        // to the list of selectors, otherwise we fall back to matching against the node.
        if (ngProjectAsAttrVal === null ?
            isNodeMatchingSelectorList(tNode, slotValue, /* isProjectionMode */ true) :
            isSelectorInSelectorList(ngProjectAsAttrVal, slotValue)) {
            return i; // first matching selector "captures" a given node
        }
    }
    return wildcardNgContentIndex;
}
/**
 * Instruction to distribute projectable nodes among <ng-content> occurrences in a given template.
 * It takes all the selectors from the entire component's template and decides where
 * each projected node belongs (it re-distributes nodes among "buckets" where each "bucket" is
 * backed by a selector).
 *
 * This function requires CSS selectors to be provided in 2 forms: parsed (by a compiler) and text,
 * un-parsed form.
 *
 * The parsed form is needed for efficient matching of a node against a given CSS selector.
 * The un-parsed, textual form is needed for support of the ngProjectAs attribute.
 *
 * Having a CSS selector in 2 different formats is not ideal, but alternatives have even more
 * drawbacks:
 * - having only a textual form would require runtime parsing of CSS selectors;
 * - we can't have only a parsed as we can't re-construct textual form from it (as entered by a
 * template author).
 *
 * @param projectionSlots? A collection of projection slots. A projection slot can be based
 *        on a parsed CSS selectors or set to the wildcard selector ("*") in order to match
 *        all nodes which do not match any selector. If not specified, a single wildcard
 *        selector projection slot will be defined.
 *
 * @codeGenApi
 */
function ɵɵprojectionDef(projectionSlots) {
    const componentNode = getLView()[DECLARATION_COMPONENT_VIEW][T_HOST];
    if (!componentNode.projection) {
        // If no explicit projection slots are defined, fall back to a single
        // projection slot with the wildcard selector.
        const numProjectionSlots = projectionSlots ? projectionSlots.length : 1;
        const projectionHeads = componentNode.projection =
            newArray(numProjectionSlots, null);
        const tails = projectionHeads.slice();
        let componentChild = componentNode.child;
        while (componentChild !== null) {
            const slotIndex = projectionSlots ? matchingProjectionSlotIndex(componentChild, projectionSlots) : 0;
            if (slotIndex !== null) {
                if (tails[slotIndex]) {
                    tails[slotIndex].projectionNext = componentChild;
                }
                else {
                    projectionHeads[slotIndex] = componentChild;
                }
                tails[slotIndex] = componentChild;
            }
            componentChild = componentChild.next;
        }
    }
}
/**
 * Inserts previously re-distributed projected nodes. This instruction must be preceded by a call
 * to the projectionDef instruction.
 *
 * @param nodeIndex
 * @param selectorIndex:
 *        - 0 when the selector is `*` (or unspecified as this is the default value),
 *        - 1 based index of the selector from the {@link projectionDef}
 *
 * @codeGenApi
 */
function ɵɵprojection(nodeIndex, selectorIndex = 0, attrs) {
    const lView = getLView();
    const tView = getTView();
    const tProjectionNode = getOrCreateTNode(tView, HEADER_OFFSET + nodeIndex, 16 /* Projection */, null, attrs || null);
    // We can't use viewData[HOST_NODE] because projection nodes can be nested in embedded views.
    if (tProjectionNode.projection === null)
        tProjectionNode.projection = selectorIndex;
    // `<ng-content>` has no content
    setCurrentTNodeAsNotParent();
    if ((tProjectionNode.flags & 64 /* isDetached */) !== 64 /* isDetached */) {
        // re-distribution of projectable nodes is stored on a component's view level
        applyProjection(tView, lView, tProjectionNode);
    }
}

/**
 *
 * Update an interpolated property on an element with a lone bound value
 *
 * Used when the value passed to a property has 1 interpolated value in it, an no additional text
 * surrounds that interpolated value:
 *
 * ```html
 * <div title="{{v0}}"></div>
 * ```
 *
 * Its compiled representation is::
 *
 * ```ts
 * ɵɵpropertyInterpolate('title', v0);
 * ```
 *
 * If the property name also exists as an input property on one of the element's directives,
 * the component property will be set instead of the element property. This check must
 * be conducted at runtime so child components that add new `@Inputs` don't have to be re-compiled.
 *
 * @param propName The name of the property to update
 * @param prefix Static value used for concatenation only.
 * @param v0 Value checked for change.
 * @param suffix Static value used for concatenation only.
 * @param sanitizer An optional sanitizer function
 * @returns itself, so that it may be chained.
 * @codeGenApi
 */
function ɵɵpropertyInterpolate(propName, v0, sanitizer) {
    ɵɵpropertyInterpolate1(propName, '', v0, '', sanitizer);
    return ɵɵpropertyInterpolate;
}
/**
 *
 * Update an interpolated property on an element with single bound value surrounded by text.
 *
 * Used when the value passed to a property has 1 interpolated value in it:
 *
 * ```html
 * <div title="prefix{{v0}}suffix"></div>
 * ```
 *
 * Its compiled representation is::
 *
 * ```ts
 * ɵɵpropertyInterpolate1('title', 'prefix', v0, 'suffix');
 * ```
 *
 * If the property name also exists as an input property on one of the element's directives,
 * the component property will be set instead of the element property. This check must
 * be conducted at runtime so child components that add new `@Inputs` don't have to be re-compiled.
 *
 * @param propName The name of the property to update
 * @param prefix Static value used for concatenation only.
 * @param v0 Value checked for change.
 * @param suffix Static value used for concatenation only.
 * @param sanitizer An optional sanitizer function
 * @returns itself, so that it may be chained.
 * @codeGenApi
 */
function ɵɵpropertyInterpolate1(propName, prefix, v0, suffix, sanitizer) {
    const lView = getLView();
    const interpolatedValue = interpolation1(lView, prefix, v0, suffix);
    if (interpolatedValue !== NO_CHANGE) {
        const tView = getTView();
        const tNode = getSelectedTNode();
        elementPropertyInternal(tView, tNode, lView, propName, interpolatedValue, lView[RENDERER], sanitizer, false);
        ngDevMode &&
            storePropertyBindingMetadata(tView.data, tNode, propName, getBindingIndex() - 1, prefix, suffix);
    }
    return ɵɵpropertyInterpolate1;
}
/**
 *
 * Update an interpolated property on an element with 2 bound values surrounded by text.
 *
 * Used when the value passed to a property has 2 interpolated values in it:
 *
 * ```html
 * <div title="prefix{{v0}}-{{v1}}suffix"></div>
 * ```
 *
 * Its compiled representation is::
 *
 * ```ts
 * ɵɵpropertyInterpolate2('title', 'prefix', v0, '-', v1, 'suffix');
 * ```
 *
 * If the property name also exists as an input property on one of the element's directives,
 * the component property will be set instead of the element property. This check must
 * be conducted at runtime so child components that add new `@Inputs` don't have to be re-compiled.
 *
 * @param propName The name of the property to update
 * @param prefix Static value used for concatenation only.
 * @param v0 Value checked for change.
 * @param i0 Static value used for concatenation only.
 * @param v1 Value checked for change.
 * @param suffix Static value used for concatenation only.
 * @param sanitizer An optional sanitizer function
 * @returns itself, so that it may be chained.
 * @codeGenApi
 */
function ɵɵpropertyInterpolate2(propName, prefix, v0, i0, v1, suffix, sanitizer) {
    const lView = getLView();
    const interpolatedValue = interpolation2(lView, prefix, v0, i0, v1, suffix);
    if (interpolatedValue !== NO_CHANGE) {
        const tView = getTView();
        const tNode = getSelectedTNode();
        elementPropertyInternal(tView, tNode, lView, propName, interpolatedValue, lView[RENDERER], sanitizer, false);
        ngDevMode &&
            storePropertyBindingMetadata(tView.data, tNode, propName, getBindingIndex() - 2, prefix, i0, suffix);
    }
    return ɵɵpropertyInterpolate2;
}
/**
 *
 * Update an interpolated property on an element with 3 bound values surrounded by text.
 *
 * Used when the value passed to a property has 3 interpolated values in it:
 *
 * ```html
 * <div title="prefix{{v0}}-{{v1}}-{{v2}}suffix"></div>
 * ```
 *
 * Its compiled representation is::
 *
 * ```ts
 * ɵɵpropertyInterpolate3(
 * 'title', 'prefix', v0, '-', v1, '-', v2, 'suffix');
 * ```
 *
 * If the property name also exists as an input property on one of the element's directives,
 * the component property will be set instead of the element property. This check must
 * be conducted at runtime so child components that add new `@Inputs` don't have to be re-compiled.
 *
 * @param propName The name of the property to update
 * @param prefix Static value used for concatenation only.
 * @param v0 Value checked for change.
 * @param i0 Static value used for concatenation only.
 * @param v1 Value checked for change.
 * @param i1 Static value used for concatenation only.
 * @param v2 Value checked for change.
 * @param suffix Static value used for concatenation only.
 * @param sanitizer An optional sanitizer function
 * @returns itself, so that it may be chained.
 * @codeGenApi
 */
function ɵɵpropertyInterpolate3(propName, prefix, v0, i0, v1, i1, v2, suffix, sanitizer) {
    const lView = getLView();
    const interpolatedValue = interpolation3(lView, prefix, v0, i0, v1, i1, v2, suffix);
    if (interpolatedValue !== NO_CHANGE) {
        const tView = getTView();
        const tNode = getSelectedTNode();
        elementPropertyInternal(tView, tNode, lView, propName, interpolatedValue, lView[RENDERER], sanitizer, false);
        ngDevMode &&
            storePropertyBindingMetadata(tView.data, tNode, propName, getBindingIndex() - 3, prefix, i0, i1, suffix);
    }
    return ɵɵpropertyInterpolate3;
}
/**
 *
 * Update an interpolated property on an element with 4 bound values surrounded by text.
 *
 * Used when the value passed to a property has 4 interpolated values in it:
 *
 * ```html
 * <div title="prefix{{v0}}-{{v1}}-{{v2}}-{{v3}}suffix"></div>
 * ```
 *
 * Its compiled representation is::
 *
 * ```ts
 * ɵɵpropertyInterpolate4(
 * 'title', 'prefix', v0, '-', v1, '-', v2, '-', v3, 'suffix');
 * ```
 *
 * If the property name also exists as an input property on one of the element's directives,
 * the component property will be set instead of the element property. This check must
 * be conducted at runtime so child components that add new `@Inputs` don't have to be re-compiled.
 *
 * @param propName The name of the property to update
 * @param prefix Static value used for concatenation only.
 * @param v0 Value checked for change.
 * @param i0 Static value used for concatenation only.
 * @param v1 Value checked for change.
 * @param i1 Static value used for concatenation only.
 * @param v2 Value checked for change.
 * @param i2 Static value used for concatenation only.
 * @param v3 Value checked for change.
 * @param suffix Static value used for concatenation only.
 * @param sanitizer An optional sanitizer function
 * @returns itself, so that it may be chained.
 * @codeGenApi
 */
function ɵɵpropertyInterpolate4(propName, prefix, v0, i0, v1, i1, v2, i2, v3, suffix, sanitizer) {
    const lView = getLView();
    const interpolatedValue = interpolation4(lView, prefix, v0, i0, v1, i1, v2, i2, v3, suffix);
    if (interpolatedValue !== NO_CHANGE) {
        const tView = getTView();
        const tNode = getSelectedTNode();
        elementPropertyInternal(tView, tNode, lView, propName, interpolatedValue, lView[RENDERER], sanitizer, false);
        ngDevMode &&
            storePropertyBindingMetadata(tView.data, tNode, propName, getBindingIndex() - 4, prefix, i0, i1, i2, suffix);
    }
    return ɵɵpropertyInterpolate4;
}
/**
 *
 * Update an interpolated property on an element with 5 bound values surrounded by text.
 *
 * Used when the value passed to a property has 5 interpolated values in it:
 *
 * ```html
 * <div title="prefix{{v0}}-{{v1}}-{{v2}}-{{v3}}-{{v4}}suffix"></div>
 * ```
 *
 * Its compiled representation is::
 *
 * ```ts
 * ɵɵpropertyInterpolate5(
 * 'title', 'prefix', v0, '-', v1, '-', v2, '-', v3, '-', v4, 'suffix');
 * ```
 *
 * If the property name also exists as an input property on one of the element's directives,
 * the component property will be set instead of the element property. This check must
 * be conducted at runtime so child components that add new `@Inputs` don't have to be re-compiled.
 *
 * @param propName The name of the property to update
 * @param prefix Static value used for concatenation only.
 * @param v0 Value checked for change.
 * @param i0 Static value used for concatenation only.
 * @param v1 Value checked for change.
 * @param i1 Static value used for concatenation only.
 * @param v2 Value checked for change.
 * @param i2 Static value used for concatenation only.
 * @param v3 Value checked for change.
 * @param i3 Static value used for concatenation only.
 * @param v4 Value checked for change.
 * @param suffix Static value used for concatenation only.
 * @param sanitizer An optional sanitizer function
 * @returns itself, so that it may be chained.
 * @codeGenApi
 */
function ɵɵpropertyInterpolate5(propName, prefix, v0, i0, v1, i1, v2, i2, v3, i3, v4, suffix, sanitizer) {
    const lView = getLView();
    const interpolatedValue = interpolation5(lView, prefix, v0, i0, v1, i1, v2, i2, v3, i3, v4, suffix);
    if (interpolatedValue !== NO_CHANGE) {
        const tView = getTView();
        const tNode = getSelectedTNode();
        elementPropertyInternal(tView, tNode, lView, propName, interpolatedValue, lView[RENDERER], sanitizer, false);
        ngDevMode &&
            storePropertyBindingMetadata(tView.data, tNode, propName, getBindingIndex() - 5, prefix, i0, i1, i2, i3, suffix);
    }
    return ɵɵpropertyInterpolate5;
}
/**
 *
 * Update an interpolated property on an element with 6 bound values surrounded by text.
 *
 * Used when the value passed to a property has 6 interpolated values in it:
 *
 * ```html
 * <div title="prefix{{v0}}-{{v1}}-{{v2}}-{{v3}}-{{v4}}-{{v5}}suffix"></div>
 * ```
 *
 * Its compiled representation is::
 *
 * ```ts
 * ɵɵpropertyInterpolate6(
 *    'title', 'prefix', v0, '-', v1, '-', v2, '-', v3, '-', v4, '-', v5, 'suffix');
 * ```
 *
 * If the property name also exists as an input property on one of the element's directives,
 * the component property will be set instead of the element property. This check must
 * be conducted at runtime so child components that add new `@Inputs` don't have to be re-compiled.
 *
 * @param propName The name of the property to update
 * @param prefix Static value used for concatenation only.
 * @param v0 Value checked for change.
 * @param i0 Static value used for concatenation only.
 * @param v1 Value checked for change.
 * @param i1 Static value used for concatenation only.
 * @param v2 Value checked for change.
 * @param i2 Static value used for concatenation only.
 * @param v3 Value checked for change.
 * @param i3 Static value used for concatenation only.
 * @param v4 Value checked for change.
 * @param i4 Static value used for concatenation only.
 * @param v5 Value checked for change.
 * @param suffix Static value used for concatenation only.
 * @param sanitizer An optional sanitizer function
 * @returns itself, so that it may be chained.
 * @codeGenApi
 */
function ɵɵpropertyInterpolate6(propName, prefix, v0, i0, v1, i1, v2, i2, v3, i3, v4, i4, v5, suffix, sanitizer) {
    const lView = getLView();
    const interpolatedValue = interpolation6(lView, prefix, v0, i0, v1, i1, v2, i2, v3, i3, v4, i4, v5, suffix);
    if (interpolatedValue !== NO_CHANGE) {
        const tView = getTView();
        const tNode = getSelectedTNode();
        elementPropertyInternal(tView, tNode, lView, propName, interpolatedValue, lView[RENDERER], sanitizer, false);
        ngDevMode &&
            storePropertyBindingMetadata(tView.data, tNode, propName, getBindingIndex() - 6, prefix, i0, i1, i2, i3, i4, suffix);
    }
    return ɵɵpropertyInterpolate6;
}
/**
 *
 * Update an interpolated property on an element with 7 bound values surrounded by text.
 *
 * Used when the value passed to a property has 7 interpolated values in it:
 *
 * ```html
 * <div title="prefix{{v0}}-{{v1}}-{{v2}}-{{v3}}-{{v4}}-{{v5}}-{{v6}}suffix"></div>
 * ```
 *
 * Its compiled representation is::
 *
 * ```ts
 * ɵɵpropertyInterpolate7(
 *    'title', 'prefix', v0, '-', v1, '-', v2, '-', v3, '-', v4, '-', v5, '-', v6, 'suffix');
 * ```
 *
 * If the property name also exists as an input property on one of the element's directives,
 * the component property will be set instead of the element property. This check must
 * be conducted at runtime so child components that add new `@Inputs` don't have to be re-compiled.
 *
 * @param propName The name of the property to update
 * @param prefix Static value used for concatenation only.
 * @param v0 Value checked for change.
 * @param i0 Static value used for concatenation only.
 * @param v1 Value checked for change.
 * @param i1 Static value used for concatenation only.
 * @param v2 Value checked for change.
 * @param i2 Static value used for concatenation only.
 * @param v3 Value checked for change.
 * @param i3 Static value used for concatenation only.
 * @param v4 Value checked for change.
 * @param i4 Static value used for concatenation only.
 * @param v5 Value checked for change.
 * @param i5 Static value used for concatenation only.
 * @param v6 Value checked for change.
 * @param suffix Static value used for concatenation only.
 * @param sanitizer An optional sanitizer function
 * @returns itself, so that it may be chained.
 * @codeGenApi
 */
function ɵɵpropertyInterpolate7(propName, prefix, v0, i0, v1, i1, v2, i2, v3, i3, v4, i4, v5, i5, v6, suffix, sanitizer) {
    const lView = getLView();
    const interpolatedValue = interpolation7(lView, prefix, v0, i0, v1, i1, v2, i2, v3, i3, v4, i4, v5, i5, v6, suffix);
    if (interpolatedValue !== NO_CHANGE) {
        const tView = getTView();
        const tNode = getSelectedTNode();
        elementPropertyInternal(tView, tNode, lView, propName, interpolatedValue, lView[RENDERER], sanitizer, false);
        ngDevMode &&
            storePropertyBindingMetadata(tView.data, tNode, propName, getBindingIndex() - 7, prefix, i0, i1, i2, i3, i4, i5, suffix);
    }
    return ɵɵpropertyInterpolate7;
}
/**
 *
 * Update an interpolated property on an element with 8 bound values surrounded by text.
 *
 * Used when the value passed to a property has 8 interpolated values in it:
 *
 * ```html
 * <div title="prefix{{v0}}-{{v1}}-{{v2}}-{{v3}}-{{v4}}-{{v5}}-{{v6}}-{{v7}}suffix"></div>
 * ```
 *
 * Its compiled representation is::
 *
 * ```ts
 * ɵɵpropertyInterpolate8(
 *  'title', 'prefix', v0, '-', v1, '-', v2, '-', v3, '-', v4, '-', v5, '-', v6, '-', v7, 'suffix');
 * ```
 *
 * If the property name also exists as an input property on one of the element's directives,
 * the component property will be set instead of the element property. This check must
 * be conducted at runtime so child components that add new `@Inputs` don't have to be re-compiled.
 *
 * @param propName The name of the property to update
 * @param prefix Static value used for concatenation only.
 * @param v0 Value checked for change.
 * @param i0 Static value used for concatenation only.
 * @param v1 Value checked for change.
 * @param i1 Static value used for concatenation only.
 * @param v2 Value checked for change.
 * @param i2 Static value used for concatenation only.
 * @param v3 Value checked for change.
 * @param i3 Static value used for concatenation only.
 * @param v4 Value checked for change.
 * @param i4 Static value used for concatenation only.
 * @param v5 Value checked for change.
 * @param i5 Static value used for concatenation only.
 * @param v6 Value checked for change.
 * @param i6 Static value used for concatenation only.
 * @param v7 Value checked for change.
 * @param suffix Static value used for concatenation only.
 * @param sanitizer An optional sanitizer function
 * @returns itself, so that it may be chained.
 * @codeGenApi
 */
function ɵɵpropertyInterpolate8(propName, prefix, v0, i0, v1, i1, v2, i2, v3, i3, v4, i4, v5, i5, v6, i6, v7, suffix, sanitizer) {
    const lView = getLView();
    const interpolatedValue = interpolation8(lView, prefix, v0, i0, v1, i1, v2, i2, v3, i3, v4, i4, v5, i5, v6, i6, v7, suffix);
    if (interpolatedValue !== NO_CHANGE) {
        const tView = getTView();
        const tNode = getSelectedTNode();
        elementPropertyInternal(tView, tNode, lView, propName, interpolatedValue, lView[RENDERER], sanitizer, false);
        ngDevMode &&
            storePropertyBindingMetadata(tView.data, tNode, propName, getBindingIndex() - 8, prefix, i0, i1, i2, i3, i4, i5, i6, suffix);
    }
    return ɵɵpropertyInterpolate8;
}
/**
 * Update an interpolated property on an element with 9 or more bound values surrounded by text.
 *
 * Used when the number of interpolated values exceeds 8.
 *
 * ```html
 * <div
 *  title="prefix{{v0}}-{{v1}}-{{v2}}-{{v3}}-{{v4}}-{{v5}}-{{v6}}-{{v7}}-{{v8}}-{{v9}}suffix"></div>
 * ```
 *
 * Its compiled representation is::
 *
 * ```ts
 * ɵɵpropertyInterpolateV(
 *  'title', ['prefix', v0, '-', v1, '-', v2, '-', v3, '-', v4, '-', v5, '-', v6, '-', v7, '-', v9,
 *  'suffix']);
 * ```
 *
 * If the property name also exists as an input property on one of the element's directives,
 * the component property will be set instead of the element property. This check must
 * be conducted at runtime so child components that add new `@Inputs` don't have to be re-compiled.
 *
 * @param propName The name of the property to update.
 * @param values The collection of values and the strings inbetween those values, beginning with a
 * string prefix and ending with a string suffix.
 * (e.g. `['prefix', value0, '-', value1, '-', value2, ..., value99, 'suffix']`)
 * @param sanitizer An optional sanitizer function
 * @returns itself, so that it may be chained.
 * @codeGenApi
 */
function ɵɵpropertyInterpolateV(propName, values, sanitizer) {
    const lView = getLView();
    const interpolatedValue = interpolationV(lView, values);
    if (interpolatedValue !== NO_CHANGE) {
        const tView = getTView();
        const tNode = getSelectedTNode();
        elementPropertyInternal(tView, tNode, lView, propName, interpolatedValue, lView[RENDERER], sanitizer, false);
        if (ngDevMode) {
            const interpolationInBetween = [values[0]]; // prefix
            for (let i = 2; i < values.length; i += 2) {
                interpolationInBetween.push(values[i]);
            }
            storePropertyBindingMetadata(tView.data, tNode, propName, getBindingIndex() - interpolationInBetween.length + 1, ...interpolationInBetween);
        }
    }
    return ɵɵpropertyInterpolateV;
}

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
/**
 * NOTE: The word `styling` is used interchangeably as style or class styling.
 *
 * This file contains code to link styling instructions together so that they can be replayed in
 * priority order. The file exists because Ivy styling instruction execution order does not match
 * that of the priority order. The purpose of this code is to create a linked list so that the
 * instructions can be traversed in priority order when computing the styles.
 *
 * Assume we are dealing with the following code:
 * ```
 * @Component({
 *   template: `
 *     <my-cmp [style]=" {color: '#001'} "
 *             [style.color]=" #002 "
 *             dir-style-color-1
 *             dir-style-color-2> `
 * })
 * class ExampleComponent {
 *   static ngComp = ... {
 *     ...
 *     // Compiler ensures that `ɵɵstyleProp` is after `ɵɵstyleMap`
 *     ɵɵstyleMap({color: '#001'});
 *     ɵɵstyleProp('color', '#002');
 *     ...
 *   }
 * }
 *
 * @Directive({
 *   selector: `[dir-style-color-1]',
 * })
 * class Style1Directive {
 *   @HostBinding('style') style = {color: '#005'};
 *   @HostBinding('style.color') color = '#006';
 *
 *   static ngDir = ... {
 *     ...
 *     // Compiler ensures that `ɵɵstyleProp` is after `ɵɵstyleMap`
 *     ɵɵstyleMap({color: '#005'});
 *     ɵɵstyleProp('color', '#006');
 *     ...
 *   }
 * }
 *
 * @Directive({
 *   selector: `[dir-style-color-2]',
 * })
 * class Style2Directive {
 *   @HostBinding('style') style = {color: '#007'};
 *   @HostBinding('style.color') color = '#008';
 *
 *   static ngDir = ... {
 *     ...
 *     // Compiler ensures that `ɵɵstyleProp` is after `ɵɵstyleMap`
 *     ɵɵstyleMap({color: '#007'});
 *     ɵɵstyleProp('color', '#008');
 *     ...
 *   }
 * }
 *
 * @Directive({
 *   selector: `my-cmp',
 * })
 * class MyComponent {
 *   @HostBinding('style') style = {color: '#003'};
 *   @HostBinding('style.color') color = '#004';
 *
 *   static ngComp = ... {
 *     ...
 *     // Compiler ensures that `ɵɵstyleProp` is after `ɵɵstyleMap`
 *     ɵɵstyleMap({color: '#003'});
 *     ɵɵstyleProp('color', '#004');
 *     ...
 *   }
 * }
 * ```
 *
 * The Order of instruction execution is:
 *
 * NOTE: the comment binding location is for illustrative purposes only.
 *
 * ```
 * // Template: (ExampleComponent)
 *     ɵɵstyleMap({color: '#001'});   // Binding index: 10
 *     ɵɵstyleProp('color', '#002');  // Binding index: 12
 * // MyComponent
 *     ɵɵstyleMap({color: '#003'});   // Binding index: 20
 *     ɵɵstyleProp('color', '#004');  // Binding index: 22
 * // Style1Directive
 *     ɵɵstyleMap({color: '#005'});   // Binding index: 24
 *     ɵɵstyleProp('color', '#006');  // Binding index: 26
 * // Style2Directive
 *     ɵɵstyleMap({color: '#007'});   // Binding index: 28
 *     ɵɵstyleProp('color', '#008');  // Binding index: 30
 * ```
 *
 * The correct priority order of concatenation is:
 *
 * ```
 * // MyComponent
 *     ɵɵstyleMap({color: '#003'});   // Binding index: 20
 *     ɵɵstyleProp('color', '#004');  // Binding index: 22
 * // Style1Directive
 *     ɵɵstyleMap({color: '#005'});   // Binding index: 24
 *     ɵɵstyleProp('color', '#006');  // Binding index: 26
 * // Style2Directive
 *     ɵɵstyleMap({color: '#007'});   // Binding index: 28
 *     ɵɵstyleProp('color', '#008');  // Binding index: 30
 * // Template: (ExampleComponent)
 *     ɵɵstyleMap({color: '#001'});   // Binding index: 10
 *     ɵɵstyleProp('color', '#002');  // Binding index: 12
 * ```
 *
 * What color should be rendered?
 *
 * Once the items are correctly sorted in the list, the answer is simply the last item in the
 * concatenation list which is `#002`.
 *
 * To do so we keep a linked list of all of the bindings which pertain to this element.
 * Notice that the bindings are inserted in the order of execution, but the `TView.data` allows
 * us to traverse them in the order of priority.
 *
 * |Idx|`TView.data`|`LView`          | Notes
 * |---|------------|-----------------|--------------
 * |...|            |                 |
 * |10 |`null`      |`{color: '#001'}`| `ɵɵstyleMap('color', {color: '#001'})`
 * |11 |`30 | 12`   | ...             |
 * |12 |`color`     |`'#002'`         | `ɵɵstyleProp('color', '#002')`
 * |13 |`10 | 0`    | ...             |
 * |...|            |                 |
 * |20 |`null`      |`{color: '#003'}`| `ɵɵstyleMap('color', {color: '#003'})`
 * |21 |`0 | 22`    | ...             |
 * |22 |`color`     |`'#004'`         | `ɵɵstyleProp('color', '#004')`
 * |23 |`20 | 24`   | ...             |
 * |24 |`null`      |`{color: '#005'}`| `ɵɵstyleMap('color', {color: '#005'})`
 * |25 |`22 | 26`   | ...             |
 * |26 |`color`     |`'#006'`         | `ɵɵstyleProp('color', '#006')`
 * |27 |`24 | 28`   | ...             |
 * |28 |`null`      |`{color: '#007'}`| `ɵɵstyleMap('color', {color: '#007'})`
 * |29 |`26 | 30`   | ...             |
 * |30 |`color`     |`'#008'`         | `ɵɵstyleProp('color', '#008')`
 * |31 |`28 | 10`   | ...             |
 *
 * The above data structure allows us to re-concatenate the styling no matter which data binding
 * changes.
 *
 * NOTE: in addition to keeping track of next/previous index the `TView.data` also stores prev/next
 * duplicate bit. The duplicate bit if true says there either is a binding with the same name or
 * there is a map (which may contain the name). This information is useful in knowing if other
 * styles with higher priority need to be searched for overwrites.
 *
 * NOTE: See `should support example in 'tnode_linked_list.ts' documentation` in
 * `tnode_linked_list_spec.ts` for working example.
 */
let __unused_const_as_closure_does_not_like_standalone_comment_blocks__;
/**
 * Insert new `tStyleValue` at `TData` and link existing style bindings such that we maintain linked
 * list of styles and compute the duplicate flag.
 *
 * Note: this function is executed during `firstUpdatePass` only to populate the `TView.data`.
 *
 * The function works by keeping track of `tStylingRange` which contains two pointers pointing to
 * the head/tail of the template portion of the styles.
 *  - if `isHost === false` (we are template) then insertion is at tail of `TStylingRange`
 *  - if `isHost === true` (we are host binding) then insertion is at head of `TStylingRange`
 *
 * @param tData The `TData` to insert into.
 * @param tNode `TNode` associated with the styling element.
 * @param tStylingKey See `TStylingKey`.
 * @param index location of where `tStyleValue` should be stored (and linked into list.)
 * @param isHostBinding `true` if the insertion is for a `hostBinding`. (insertion is in front of
 *               template.)
 * @param isClassBinding True if the associated `tStylingKey` as a `class` styling.
 *                       `tNode.classBindings` should be used (or `tNode.styleBindings` otherwise.)
 */
function insertTStylingBinding(tData, tNode, tStylingKeyWithStatic, index, isHostBinding, isClassBinding) {
    ngDevMode && assertFirstUpdatePass(getTView());
    let tBindings = isClassBinding ? tNode.classBindings : tNode.styleBindings;
    let tmplHead = getTStylingRangePrev(tBindings);
    let tmplTail = getTStylingRangeNext(tBindings);
    tData[index] = tStylingKeyWithStatic;
    let isKeyDuplicateOfStatic = false;
    let tStylingKey;
    if (Array.isArray(tStylingKeyWithStatic)) {
        // We are case when the `TStylingKey` contains static fields as well.
        const staticKeyValueArray = tStylingKeyWithStatic;
        tStylingKey = staticKeyValueArray[1]; // unwrap.
        // We need to check if our key is present in the static so that we can mark it as duplicate.
        if (tStylingKey === null ||
            keyValueArrayIndexOf(staticKeyValueArray, tStylingKey) > 0) {
            // tStylingKey is present in the statics, need to mark it as duplicate.
            isKeyDuplicateOfStatic = true;
        }
    }
    else {
        tStylingKey = tStylingKeyWithStatic;
    }
    if (isHostBinding) {
        // We are inserting host bindings
        // If we don't have template bindings then `tail` is 0.
        const hasTemplateBindings = tmplTail !== 0;
        // This is important to know because that means that the `head` can't point to the first
        // template bindings (there are none.) Instead the head points to the tail of the template.
        if (hasTemplateBindings) {
            // template head's "prev" will point to last host binding or to 0 if no host bindings yet
            const previousNode = getTStylingRangePrev(tData[tmplHead + 1]);
            tData[index + 1] = toTStylingRange(previousNode, tmplHead);
            // if a host binding has already been registered, we need to update the next of that host
            // binding to point to this one
            if (previousNode !== 0) {
                // We need to update the template-tail value to point to us.
                tData[previousNode + 1] =
                    setTStylingRangeNext(tData[previousNode + 1], index);
            }
            // The "previous" of the template binding head should point to this host binding
            tData[tmplHead + 1] = setTStylingRangePrev(tData[tmplHead + 1], index);
        }
        else {
            tData[index + 1] = toTStylingRange(tmplHead, 0);
            // if a host binding has already been registered, we need to update the next of that host
            // binding to point to this one
            if (tmplHead !== 0) {
                // We need to update the template-tail value to point to us.
                tData[tmplHead + 1] = setTStylingRangeNext(tData[tmplHead + 1], index);
            }
            // if we don't have template, the head points to template-tail, and needs to be advanced.
            tmplHead = index;
        }
    }
    else {
        // We are inserting in template section.
        // We need to set this binding's "previous" to the current template tail
        tData[index + 1] = toTStylingRange(tmplTail, 0);
        ngDevMode &&
            assertEqual(tmplHead !== 0 && tmplTail === 0, false, 'Adding template bindings after hostBindings is not allowed.');
        if (tmplHead === 0) {
            tmplHead = index;
        }
        else {
            // We need to update the previous value "next" to point to this binding
            tData[tmplTail + 1] = setTStylingRangeNext(tData[tmplTail + 1], index);
        }
        tmplTail = index;
    }
    // Now we need to update / compute the duplicates.
    // Starting with our location search towards head (least priority)
    if (isKeyDuplicateOfStatic) {
        tData[index + 1] = setTStylingRangePrevDuplicate(tData[index + 1]);
    }
    markDuplicates(tData, tStylingKey, index, true, isClassBinding);
    markDuplicates(tData, tStylingKey, index, false, isClassBinding);
    markDuplicateOfResidualStyling(tNode, tStylingKey, tData, index, isClassBinding);
    tBindings = toTStylingRange(tmplHead, tmplTail);
    if (isClassBinding) {
        tNode.classBindings = tBindings;
    }
    else {
        tNode.styleBindings = tBindings;
    }
}
/**
 * Look into the residual styling to see if the current `tStylingKey` is duplicate of residual.
 *
 * @param tNode `TNode` where the residual is stored.
 * @param tStylingKey `TStylingKey` to store.
 * @param tData `TData` associated with the current `LView`.
 * @param index location of where `tStyleValue` should be stored (and linked into list.)
 * @param isClassBinding True if the associated `tStylingKey` as a `class` styling.
 *                       `tNode.classBindings` should be used (or `tNode.styleBindings` otherwise.)
 */
function markDuplicateOfResidualStyling(tNode, tStylingKey, tData, index, isClassBinding) {
    const residual = isClassBinding ? tNode.residualClasses : tNode.residualStyles;
    if (residual != null /* or undefined */ && typeof tStylingKey == 'string' &&
        keyValueArrayIndexOf(residual, tStylingKey) >= 0) {
        // We have duplicate in the residual so mark ourselves as duplicate.
        tData[index + 1] = setTStylingRangeNextDuplicate(tData[index + 1]);
    }
}
/**
 * Marks `TStyleValue`s as duplicates if another style binding in the list has the same
 * `TStyleValue`.
 *
 * NOTE: this function is intended to be called twice once with `isPrevDir` set to `true` and once
 * with it set to `false` to search both the previous as well as next items in the list.
 *
 * No duplicate case
 * ```
 *   [style.color]
 *   [style.width.px] <<- index
 *   [style.height.px]
 * ```
 *
 * In the above case adding `[style.width.px]` to the existing `[style.color]` produces no
 * duplicates because `width` is not found in any other part of the linked list.
 *
 * Duplicate case
 * ```
 *   [style.color]
 *   [style.width.em]
 *   [style.width.px] <<- index
 * ```
 * In the above case adding `[style.width.px]` will produce a duplicate with `[style.width.em]`
 * because `width` is found in the chain.
 *
 * Map case 1
 * ```
 *   [style.width.px]
 *   [style.color]
 *   [style]  <<- index
 * ```
 * In the above case adding `[style]` will produce a duplicate with any other bindings because
 * `[style]` is a Map and as such is fully dynamic and could produce `color` or `width`.
 *
 * Map case 2
 * ```
 *   [style]
 *   [style.width.px]
 *   [style.color]  <<- index
 * ```
 * In the above case adding `[style.color]` will produce a duplicate because there is already a
 * `[style]` binding which is a Map and as such is fully dynamic and could produce `color` or
 * `width`.
 *
 * NOTE: Once `[style]` (Map) is added into the system all things are mapped as duplicates.
 * NOTE: We use `style` as example, but same logic is applied to `class`es as well.
 *
 * @param tData `TData` where the linked list is stored.
 * @param tStylingKey `TStylingKeyPrimitive` which contains the value to compare to other keys in
 *        the linked list.
 * @param index Starting location in the linked list to search from
 * @param isPrevDir Direction.
 *        - `true` for previous (lower priority);
 *        - `false` for next (higher priority).
 */
function markDuplicates(tData, tStylingKey, index, isPrevDir, isClassBinding) {
    const tStylingAtIndex = tData[index + 1];
    const isMap = tStylingKey === null;
    let cursor = isPrevDir ? getTStylingRangePrev(tStylingAtIndex) : getTStylingRangeNext(tStylingAtIndex);
    let foundDuplicate = false;
    // We keep iterating as long as we have a cursor
    // AND either:
    // - we found what we are looking for, OR
    // - we are a map in which case we have to continue searching even after we find what we were
    //   looking for since we are a wild card and everything needs to be flipped to duplicate.
    while (cursor !== 0 && (foundDuplicate === false || isMap)) {
        ngDevMode && assertIndexInRange(tData, cursor);
        const tStylingValueAtCursor = tData[cursor];
        const tStyleRangeAtCursor = tData[cursor + 1];
        if (isStylingMatch(tStylingValueAtCursor, tStylingKey)) {
            foundDuplicate = true;
            tData[cursor + 1] = isPrevDir ? setTStylingRangeNextDuplicate(tStyleRangeAtCursor) :
                setTStylingRangePrevDuplicate(tStyleRangeAtCursor);
        }
        cursor = isPrevDir ? getTStylingRangePrev(tStyleRangeAtCursor) :
            getTStylingRangeNext(tStyleRangeAtCursor);
    }
    if (foundDuplicate) {
        // if we found a duplicate, than mark ourselves.
        tData[index + 1] = isPrevDir ? setTStylingRangePrevDuplicate(tStylingAtIndex) :
            setTStylingRangeNextDuplicate(tStylingAtIndex);
    }
}
/**
 * Determines if two `TStylingKey`s are a match.
 *
 * When computing whether a binding contains a duplicate, we need to compare if the instruction
 * `TStylingKey` has a match.
 *
 * Here are examples of `TStylingKey`s which match given `tStylingKeyCursor` is:
 * - `color`
 *    - `color`    // Match another color
 *    - `null`     // That means that `tStylingKey` is a `classMap`/`styleMap` instruction
 *    - `['', 'color', 'other', true]` // wrapped `color` so match
 *    - `['', null, 'other', true]`       // wrapped `null` so match
 *    - `['', 'width', 'color', 'value']` // wrapped static value contains a match on `'color'`
 * - `null`       // `tStylingKeyCursor` always match as it is `classMap`/`styleMap` instruction
 *
 * @param tStylingKeyCursor
 * @param tStylingKey
 */
function isStylingMatch(tStylingKeyCursor, tStylingKey) {
    ngDevMode &&
        assertNotEqual(Array.isArray(tStylingKey), true, 'Expected that \'tStylingKey\' has been unwrapped');
    if (tStylingKeyCursor === null || // If the cursor is `null` it means that we have map at that
        // location so we must assume that we have a match.
        tStylingKey == null || // If `tStylingKey` is `null` then it is a map therefor assume that it
        // contains a match.
        (Array.isArray(tStylingKeyCursor) ? tStylingKeyCursor[1] : tStylingKeyCursor) ===
            tStylingKey // If the keys match explicitly than we are a match.
    ) {
        return true;
    }
    else if (Array.isArray(tStylingKeyCursor) && typeof tStylingKey === 'string') {
        // if we did not find a match, but `tStylingKeyCursor` is `KeyValueArray` that means cursor has
        // statics and we need to check those as well.
        return keyValueArrayIndexOf(tStylingKeyCursor, tStylingKey) >=
            0; // see if we are matching the key
    }
    return false;
}

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
// Global state of the parser. (This makes parser non-reentrant, but that is not an issue)
const parserState = {
    textEnd: 0,
    key: 0,
    keyEnd: 0,
    value: 0,
    valueEnd: 0,
};
/**
 * Retrieves the last parsed `key` of style.
 * @param text the text to substring the key from.
 */
function getLastParsedKey(text) {
    return text.substring(parserState.key, parserState.keyEnd);
}
/**
 * Retrieves the last parsed `value` of style.
 * @param text the text to substring the key from.
 */
function getLastParsedValue(text) {
    return text.substring(parserState.value, parserState.valueEnd);
}
/**
 * Initializes `className` string for parsing and parses the first token.
 *
 * This function is intended to be used in this format:
 * ```
 * for (let i = parseClassName(text); i >= 0; i = parseClassNameNext(text, i)) {
 *   const key = getLastParsedKey();
 *   ...
 * }
 * ```
 * @param text `className` to parse
 * @returns index where the next invocation of `parseClassNameNext` should resume.
 */
function parseClassName(text) {
    resetParserState(text);
    return parseClassNameNext(text, consumeWhitespace(text, 0, parserState.textEnd));
}
/**
 * Parses next `className` token.
 *
 * This function is intended to be used in this format:
 * ```
 * for (let i = parseClassName(text); i >= 0; i = parseClassNameNext(text, i)) {
 *   const key = getLastParsedKey();
 *   ...
 * }
 * ```
 *
 * @param text `className` to parse
 * @param index where the parsing should resume.
 * @returns index where the next invocation of `parseClassNameNext` should resume.
 */
function parseClassNameNext(text, index) {
    const end = parserState.textEnd;
    if (end === index) {
        return -1;
    }
    index = parserState.keyEnd = consumeClassToken(text, parserState.key = index, end);
    return consumeWhitespace(text, index, end);
}
/**
 * Initializes `cssText` string for parsing and parses the first key/values.
 *
 * This function is intended to be used in this format:
 * ```
 * for (let i = parseStyle(text); i >= 0; i = parseStyleNext(text, i))) {
 *   const key = getLastParsedKey();
 *   const value = getLastParsedValue();
 *   ...
 * }
 * ```
 * @param text `cssText` to parse
 * @returns index where the next invocation of `parseStyleNext` should resume.
 */
function parseStyle(text) {
    resetParserState(text);
    return parseStyleNext(text, consumeWhitespace(text, 0, parserState.textEnd));
}
/**
 * Parses the next `cssText` key/values.
 *
 * This function is intended to be used in this format:
 * ```
 * for (let i = parseStyle(text); i >= 0; i = parseStyleNext(text, i))) {
 *   const key = getLastParsedKey();
 *   const value = getLastParsedValue();
 *   ...
 * }
 *
 * @param text `cssText` to parse
 * @param index where the parsing should resume.
 * @returns index where the next invocation of `parseStyleNext` should resume.
 */
function parseStyleNext(text, startIndex) {
    const end = parserState.textEnd;
    let index = parserState.key = consumeWhitespace(text, startIndex, end);
    if (end === index) {
        // we reached an end so just quit
        return -1;
    }
    index = parserState.keyEnd = consumeStyleKey(text, index, end);
    index = consumeSeparator(text, index, end, 58 /* COLON */);
    index = parserState.value = consumeWhitespace(text, index, end);
    index = parserState.valueEnd = consumeStyleValue(text, index, end);
    return consumeSeparator(text, index, end, 59 /* SEMI_COLON */);
}
/**
 * Reset the global state of the styling parser.
 * @param text The styling text to parse.
 */
function resetParserState(text) {
    parserState.key = 0;
    parserState.keyEnd = 0;
    parserState.value = 0;
    parserState.valueEnd = 0;
    parserState.textEnd = text.length;
}
/**
 * Returns index of next non-whitespace character.
 *
 * @param text Text to scan
 * @param startIndex Starting index of character where the scan should start.
 * @param endIndex Ending index of character where the scan should end.
 * @returns Index of next non-whitespace character (May be the same as `start` if no whitespace at
 *          that location.)
 */
function consumeWhitespace(text, startIndex, endIndex) {
    while (startIndex < endIndex && text.charCodeAt(startIndex) <= 32 /* SPACE */) {
        startIndex++;
    }
    return startIndex;
}
/**
 * Returns index of last char in class token.
 *
 * @param text Text to scan
 * @param startIndex Starting index of character where the scan should start.
 * @param endIndex Ending index of character where the scan should end.
 * @returns Index after last char in class token.
 */
function consumeClassToken(text, startIndex, endIndex) {
    while (startIndex < endIndex && text.charCodeAt(startIndex) > 32 /* SPACE */) {
        startIndex++;
    }
    return startIndex;
}
/**
 * Consumes all of the characters belonging to style key and token.
 *
 * @param text Text to scan
 * @param startIndex Starting index of character where the scan should start.
 * @param endIndex Ending index of character where the scan should end.
 * @returns Index after last style key character.
 */
function consumeStyleKey(text, startIndex, endIndex) {
    let ch;
    while (startIndex < endIndex &&
        ((ch = text.charCodeAt(startIndex)) === 45 /* DASH */ || ch === 95 /* UNDERSCORE */ ||
            ((ch & -33 /* UPPER_CASE */) >= 65 /* A */ && (ch & -33 /* UPPER_CASE */) <= 90 /* Z */) ||
            (ch >= 48 /* ZERO */ && ch <= 57 /* NINE */))) {
        startIndex++;
    }
    return startIndex;
}
/**
 * Consumes all whitespace and the separator `:` after the style key.
 *
 * @param text Text to scan
 * @param startIndex Starting index of character where the scan should start.
 * @param endIndex Ending index of character where the scan should end.
 * @returns Index after separator and surrounding whitespace.
 */
function consumeSeparator(text, startIndex, endIndex, separator) {
    startIndex = consumeWhitespace(text, startIndex, endIndex);
    if (startIndex < endIndex) {
        if (ngDevMode && text.charCodeAt(startIndex) !== separator) {
            malformedStyleError(text, String.fromCharCode(separator), startIndex);
        }
        startIndex++;
    }
    return startIndex;
}
/**
 * Consumes style value honoring `url()` and `""` text.
 *
 * @param text Text to scan
 * @param startIndex Starting index of character where the scan should start.
 * @param endIndex Ending index of character where the scan should end.
 * @returns Index after last style value character.
 */
function consumeStyleValue(text, startIndex, endIndex) {
    let ch1 = -1; // 1st previous character
    let ch2 = -1; // 2nd previous character
    let ch3 = -1; // 3rd previous character
    let i = startIndex;
    let lastChIndex = i;
    while (i < endIndex) {
        const ch = text.charCodeAt(i++);
        if (ch === 59 /* SEMI_COLON */) {
            return lastChIndex;
        }
        else if (ch === 34 /* DOUBLE_QUOTE */ || ch === 39 /* SINGLE_QUOTE */) {
            lastChIndex = i = consumeQuotedText(text, ch, i, endIndex);
        }
        else if (startIndex ===
            i - 4 && // We have seen only 4 characters so far "URL(" (Ignore "foo_URL()")
            ch3 === 85 /* U */ &&
            ch2 === 82 /* R */ && ch1 === 76 /* L */ && ch === 40 /* OPEN_PAREN */) {
            lastChIndex = i = consumeQuotedText(text, 41 /* CLOSE_PAREN */, i, endIndex);
        }
        else if (ch > 32 /* SPACE */) {
            // if we have a non-whitespace character then capture its location
            lastChIndex = i;
        }
        ch3 = ch2;
        ch2 = ch1;
        ch1 = ch & -33 /* UPPER_CASE */;
    }
    return lastChIndex;
}
/**
 * Consumes all of the quoted characters.
 *
 * @param text Text to scan
 * @param quoteCharCode CharCode of either `"` or `'` quote or `)` for `url(...)`.
 * @param startIndex Starting index of character where the scan should start.
 * @param endIndex Ending index of character where the scan should end.
 * @returns Index after quoted characters.
 */
function consumeQuotedText(text, quoteCharCode, startIndex, endIndex) {
    let ch1 = -1; // 1st previous character
    let index = startIndex;
    while (index < endIndex) {
        const ch = text.charCodeAt(index++);
        if (ch == quoteCharCode && ch1 !== 92 /* BACK_SLASH */) {
            return index;
        }
        if (ch == 92 /* BACK_SLASH */ && ch1 === 92 /* BACK_SLASH */) {
            // two back slashes cancel each other out. For example `"\\"` should properly end the
            // quotation. (It should not assume that the last `"` is escaped.)
            ch1 = 0;
        }
        else {
            ch1 = ch;
        }
    }
    throw ngDevMode ? malformedStyleError(text, String.fromCharCode(quoteCharCode), endIndex) :
        new Error();
}
function malformedStyleError(text, expecting, index) {
    ngDevMode && assertEqual(typeof text === 'string', true, 'String expected here');
    throw throwError(`Malformed style at location ${index} in string '` + text.substring(0, index) + '[>>' +
        text.substring(index, index + 1) + '<<]' + text.substr(index + 1) +
        `'. Expecting '${expecting}'.`);
}

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
/**
 * Update a style binding on an element with the provided value.
 *
 * If the style value is falsy then it will be removed from the element
 * (or assigned a different value depending if there are any styles placed
 * on the element with `styleMap` or any static styles that are
 * present from when the element was created with `styling`).
 *
 * Note that the styling element is updated as part of `stylingApply`.
 *
 * @param prop A valid CSS property.
 * @param value New value to write (`null` or an empty string to remove).
 * @param suffix Optional suffix. Used with scalar values to add unit such as `px`.
 *
 * Note that this will apply the provided style value to the host element if this function is called
 * within a host binding function.
 *
 * @codeGenApi
 */
function ɵɵstyleProp(prop, value, suffix) {
    checkStylingProperty(prop, value, suffix, false);
    return ɵɵstyleProp;
}
/**
 * Update a class binding on an element with the provided value.
 *
 * This instruction is meant to handle the `[class.foo]="exp"` case and,
 * therefore, the class binding itself must already be allocated using
 * `styling` within the creation block.
 *
 * @param prop A valid CSS class (only one).
 * @param value A true/false value which will turn the class on or off.
 *
 * Note that this will apply the provided class value to the host element if this function
 * is called within a host binding function.
 *
 * @codeGenApi
 */
function ɵɵclassProp(className, value) {
    checkStylingProperty(className, value, null, true);
    return ɵɵclassProp;
}
/**
 * Update style bindings using an object literal on an element.
 *
 * This instruction is meant to apply styling via the `[style]="exp"` template bindings.
 * When styles are applied to the element they will then be updated with respect to
 * any styles/classes set via `styleProp`. If any styles are set to falsy
 * then they will be removed from the element.
 *
 * Note that the styling instruction will not be applied until `stylingApply` is called.
 *
 * @param styles A key/value style map of the styles that will be applied to the given element.
 *        Any missing styles (that have already been applied to the element beforehand) will be
 *        removed (unset) from the element's styling.
 *
 * Note that this will apply the provided styleMap value to the host element if this function
 * is called within a host binding.
 *
 * @codeGenApi
 */
function ɵɵstyleMap(styles) {
    checkStylingMap(styleKeyValueArraySet, styleStringParser, styles, false);
}
/**
 * Parse text as style and add values to KeyValueArray.
 *
 * This code is pulled out to a separate function so that it can be tree shaken away if it is not
 * needed. It is only referenced from `ɵɵstyleMap`.
 *
 * @param keyValueArray KeyValueArray to add parsed values to.
 * @param text text to parse.
 */
function styleStringParser(keyValueArray, text) {
    for (let i = parseStyle(text); i >= 0; i = parseStyleNext(text, i)) {
        styleKeyValueArraySet(keyValueArray, getLastParsedKey(text), getLastParsedValue(text));
    }
}
/**
 * Update class bindings using an object literal or class-string on an element.
 *
 * This instruction is meant to apply styling via the `[class]="exp"` template bindings.
 * When classes are applied to the element they will then be updated with
 * respect to any styles/classes set via `classProp`. If any
 * classes are set to falsy then they will be removed from the element.
 *
 * Note that the styling instruction will not be applied until `stylingApply` is called.
 * Note that this will the provided classMap value to the host element if this function is called
 * within a host binding.
 *
 * @param classes A key/value map or string of CSS classes that will be added to the
 *        given element. Any missing classes (that have already been applied to the element
 *        beforehand) will be removed (unset) from the element's list of CSS classes.
 *
 * @codeGenApi
 */
function ɵɵclassMap(classes) {
    checkStylingMap(keyValueArraySet, classStringParser, classes, true);
}
/**
 * Parse text as class and add values to KeyValueArray.
 *
 * This code is pulled out to a separate function so that it can be tree shaken away if it is not
 * needed. It is only referenced from `ɵɵclassMap`.
 *
 * @param keyValueArray KeyValueArray to add parsed values to.
 * @param text text to parse.
 */
function classStringParser(keyValueArray, text) {
    for (let i = parseClassName(text); i >= 0; i = parseClassNameNext(text, i)) {
        keyValueArraySet(keyValueArray, getLastParsedKey(text), true);
    }
}
/**
 * Common code between `ɵɵclassProp` and `ɵɵstyleProp`.
 *
 * @param prop property name.
 * @param value binding value.
 * @param suffix suffix for the property (e.g. `em` or `px`)
 * @param isClassBased `true` if `class` change (`false` if `style`)
 */
function checkStylingProperty(prop, value, suffix, isClassBased) {
    const lView = getLView();
    const tView = getTView();
    // Styling instructions use 2 slots per binding.
    // 1. one for the value / TStylingKey
    // 2. one for the intermittent-value / TStylingRange
    const bindingIndex = incrementBindingIndex(2);
    if (tView.firstUpdatePass) {
        stylingFirstUpdatePass(tView, prop, bindingIndex, isClassBased);
    }
    if (value !== NO_CHANGE && bindingUpdated(lView, bindingIndex, value)) {
        const tNode = tView.data[getSelectedIndex()];
        updateStyling(tView, tNode, lView, lView[RENDERER], prop, lView[bindingIndex + 1] = normalizeSuffix(value, suffix), isClassBased, bindingIndex);
    }
}
/**
 * Common code between `ɵɵclassMap` and `ɵɵstyleMap`.
 *
 * @param keyValueArraySet (See `keyValueArraySet` in "util/array_utils") Gets passed in as a
 *        function so that `style` can be processed. This is done for tree shaking purposes.
 * @param stringParser Parser used to parse `value` if `string`. (Passed in as `style` and `class`
 *        have different parsers.)
 * @param value bound value from application
 * @param isClassBased `true` if `class` change (`false` if `style`)
 */
function checkStylingMap(keyValueArraySet, stringParser, value, isClassBased) {
    const tView = getTView();
    const bindingIndex = incrementBindingIndex(2);
    if (tView.firstUpdatePass) {
        stylingFirstUpdatePass(tView, null, bindingIndex, isClassBased);
    }
    const lView = getLView();
    if (value !== NO_CHANGE && bindingUpdated(lView, bindingIndex, value)) {
        // `getSelectedIndex()` should be here (rather than in instruction) so that it is guarded by the
        // if so as not to read unnecessarily.
        const tNode = tView.data[getSelectedIndex()];
        if (hasStylingInputShadow(tNode, isClassBased) && !isInHostBindings(tView, bindingIndex)) {
            if (ngDevMode) {
                // verify that if we are shadowing then `TData` is appropriately marked so that we skip
                // processing this binding in styling resolution.
                const tStylingKey = tView.data[bindingIndex];
                assertEqual(Array.isArray(tStylingKey) ? tStylingKey[1] : tStylingKey, false, 'Styling linked list shadow input should be marked as \'false\'');
            }
            // VE does not concatenate the static portion like we are doing here.
            // Instead VE just ignores the static completely if dynamic binding is present.
            // Because of locality we have already set the static portion because we don't know if there
            // is a dynamic portion until later. If we would ignore the static portion it would look like
            // the binding has removed it. This would confuse `[ngStyle]`/`[ngClass]` to do the wrong
            // thing as it would think that the static portion was removed. For this reason we
            // concatenate it so that `[ngStyle]`/`[ngClass]`  can continue to work on changed.
            let staticPrefix = isClassBased ? tNode.classesWithoutHost : tNode.stylesWithoutHost;
            ngDevMode && isClassBased === false && staticPrefix !== null &&
                assertEqual(staticPrefix.endsWith(';'), true, 'Expecting static portion to end with \';\'');
            if (staticPrefix !== null) {
                // We want to make sure that falsy values of `value` become empty strings.
                value = concatStringsWithSpace(staticPrefix, value ? value : '');
            }
            // Given `<div [style] my-dir>` such that `my-dir` has `@Input('style')`.
            // This takes over the `[style]` binding. (Same for `[class]`)
            setDirectiveInputsWhichShadowsStyling(tView, tNode, lView, value, isClassBased);
        }
        else {
            updateStylingMap(tView, tNode, lView, lView[RENDERER], lView[bindingIndex + 1], lView[bindingIndex + 1] = toStylingKeyValueArray(keyValueArraySet, stringParser, value), isClassBased, bindingIndex);
        }
    }
}
/**
 * Determines when the binding is in `hostBindings` section
 *
 * @param tView Current `TView`
 * @param bindingIndex index of binding which we would like if it is in `hostBindings`
 */
function isInHostBindings(tView, bindingIndex) {
    // All host bindings are placed after the expando section.
    return bindingIndex >= tView.expandoStartIndex;
}
/**
 * Collects the necessary information to insert the binding into a linked list of style bindings
 * using `insertTStylingBinding`.
 *
 * @param tView `TView` where the binding linked list will be stored.
 * @param tStylingKey Property/key of the binding.
 * @param bindingIndex Index of binding associated with the `prop`
 * @param isClassBased `true` if `class` change (`false` if `style`)
 */
function stylingFirstUpdatePass(tView, tStylingKey, bindingIndex, isClassBased) {
    ngDevMode && assertFirstUpdatePass(tView);
    const tData = tView.data;
    if (tData[bindingIndex + 1] === null) {
        // The above check is necessary because we don't clear first update pass until first successful
        // (no exception) template execution. This prevents the styling instruction from double adding
        // itself to the list.
        // `getSelectedIndex()` should be here (rather than in instruction) so that it is guarded by the
        // if so as not to read unnecessarily.
        const tNode = tData[getSelectedIndex()];
        ngDevMode && assertDefined(tNode, 'TNode expected');
        const isHostBindings = isInHostBindings(tView, bindingIndex);
        if (hasStylingInputShadow(tNode, isClassBased) && tStylingKey === null && !isHostBindings) {
            // `tStylingKey === null` implies that we are either `[style]` or `[class]` binding.
            // If there is a directive which uses `@Input('style')` or `@Input('class')` than
            // we need to neutralize this binding since that directive is shadowing it.
            // We turn this into a noop by setting the key to `false`
            tStylingKey = false;
        }
        tStylingKey = wrapInStaticStylingKey(tData, tNode, tStylingKey, isClassBased);
        insertTStylingBinding(tData, tNode, tStylingKey, bindingIndex, isHostBindings, isClassBased);
    }
}
/**
 * Adds static styling information to the binding if applicable.
 *
 * The linked list of styles not only stores the list and keys, but also stores static styling
 * information on some of the keys. This function determines if the key should contain the styling
 * information and computes it.
 *
 * See `TStylingStatic` for more details.
 *
 * @param tData `TData` where the linked list is stored.
 * @param tNode `TNode` for which the styling is being computed.
 * @param stylingKey `TStylingKeyPrimitive` which may need to be wrapped into `TStylingKey`
 * @param isClassBased `true` if `class` (`false` if `style`)
 */
function wrapInStaticStylingKey(tData, tNode, stylingKey, isClassBased) {
    const hostDirectiveDef = getCurrentDirectiveDef(tData);
    let residual = isClassBased ? tNode.residualClasses : tNode.residualStyles;
    if (hostDirectiveDef === null) {
        // We are in template node.
        // If template node already had styling instruction then it has already collected the static
        // styling and there is no need to collect them again. We know that we are the first styling
        // instruction because the `TNode.*Bindings` points to 0 (nothing has been inserted yet).
        const isFirstStylingInstructionInTemplate = (isClassBased ? tNode.classBindings : tNode.styleBindings) === 0;
        if (isFirstStylingInstructionInTemplate) {
            // It would be nice to be able to get the statics from `mergeAttrs`, however, at this point
            // they are already merged and it would not be possible to figure which property belongs where
            // in the priority.
            stylingKey = collectStylingFromDirectives(null, tData, tNode, stylingKey, isClassBased);
            stylingKey = collectStylingFromTAttrs(stylingKey, tNode.attrs, isClassBased);
            // We know that if we have styling binding in template we can't have residual.
            residual = null;
        }
    }
    else {
        // We are in host binding node and there was no binding instruction in template node.
        // This means that we need to compute the residual.
        const directiveStylingLast = tNode.directiveStylingLast;
        const isFirstStylingInstructionInHostBinding = directiveStylingLast === -1 || tData[directiveStylingLast] !== hostDirectiveDef;
        if (isFirstStylingInstructionInHostBinding) {
            stylingKey =
                collectStylingFromDirectives(hostDirectiveDef, tData, tNode, stylingKey, isClassBased);
            if (residual === null) {
                // - If `null` than either:
                //    - Template styling instruction already ran and it has consumed the static
                //      styling into its `TStylingKey` and so there is no need to update residual. Instead
                //      we need to update the `TStylingKey` associated with the first template node
                //      instruction. OR
                //    - Some other styling instruction ran and determined that there are no residuals
                let templateStylingKey = getTemplateHeadTStylingKey(tData, tNode, isClassBased);
                if (templateStylingKey !== undefined && Array.isArray(templateStylingKey)) {
                    // Only recompute if `templateStylingKey` had static values. (If no static value found
                    // then there is nothing to do since this operation can only produce less static keys, not
                    // more.)
                    templateStylingKey = collectStylingFromDirectives(null, tData, tNode, templateStylingKey[1] /* unwrap previous statics */, isClassBased);
                    templateStylingKey =
                        collectStylingFromTAttrs(templateStylingKey, tNode.attrs, isClassBased);
                    setTemplateHeadTStylingKey(tData, tNode, isClassBased, templateStylingKey);
                }
            }
            else {
                // We only need to recompute residual if it is not `null`.
                // - If existing residual (implies there was no template styling). This means that some of
                //   the statics may have moved from the residual to the `stylingKey` and so we have to
                //   recompute.
                // - If `undefined` this is the first time we are running.
                residual = collectResidual(tData, tNode, isClassBased);
            }
        }
    }
    if (residual !== undefined) {
        isClassBased ? (tNode.residualClasses = residual) : (tNode.residualStyles = residual);
    }
    return stylingKey;
}
/**
 * Retrieve the `TStylingKey` for the template styling instruction.
 *
 * This is needed since `hostBinding` styling instructions are inserted after the template
 * instruction. While the template instruction needs to update the residual in `TNode` the
 * `hostBinding` instructions need to update the `TStylingKey` of the template instruction because
 * the template instruction is downstream from the `hostBindings` instructions.
 *
 * @param tData `TData` where the linked list is stored.
 * @param tNode `TNode` for which the styling is being computed.
 * @param isClassBased `true` if `class` (`false` if `style`)
 * @return `TStylingKey` if found or `undefined` if not found.
 */
function getTemplateHeadTStylingKey(tData, tNode, isClassBased) {
    const bindings = isClassBased ? tNode.classBindings : tNode.styleBindings;
    if (getTStylingRangeNext(bindings) === 0) {
        // There does not seem to be a styling instruction in the `template`.
        return undefined;
    }
    return tData[getTStylingRangePrev(bindings)];
}
/**
 * Update the `TStylingKey` of the first template instruction in `TNode`.
 *
 * Logically `hostBindings` styling instructions are of lower priority than that of the template.
 * However, they execute after the template styling instructions. This means that they get inserted
 * in front of the template styling instructions.
 *
 * If we have a template styling instruction and a new `hostBindings` styling instruction is
 * executed it means that it may need to steal static fields from the template instruction. This
 * method allows us to update the first template instruction `TStylingKey` with a new value.
 *
 * Assume:
 * ```
 * <div my-dir style="color: red" [style.color]="tmplExp"></div>
 *
 * @Directive({
 *   host: {
 *     'style': 'width: 100px',
 *     '[style.color]': 'dirExp',
 *   }
 * })
 * class MyDir {}
 * ```
 *
 * when `[style.color]="tmplExp"` executes it creates this data structure.
 * ```
 *  ['', 'color', 'color', 'red', 'width', '100px'],
 * ```
 *
 * The reason for this is that the template instruction does not know if there are styling
 * instructions and must assume that there are none and must collect all of the static styling.
 * (both
 * `color' and 'width`)
 *
 * When `'[style.color]': 'dirExp',` executes we need to insert a new data into the linked list.
 * ```
 *  ['', 'color', 'width', '100px'],  // newly inserted
 *  ['', 'color', 'color', 'red', 'width', '100px'], // this is wrong
 * ```
 *
 * Notice that the template statics is now wrong as it incorrectly contains `width` so we need to
 * update it like so:
 * ```
 *  ['', 'color', 'width', '100px'],
 *  ['', 'color', 'color', 'red'],    // UPDATE
 * ```
 *
 * @param tData `TData` where the linked list is stored.
 * @param tNode `TNode` for which the styling is being computed.
 * @param isClassBased `true` if `class` (`false` if `style`)
 * @param tStylingKey New `TStylingKey` which is replacing the old one.
 */
function setTemplateHeadTStylingKey(tData, tNode, isClassBased, tStylingKey) {
    const bindings = isClassBased ? tNode.classBindings : tNode.styleBindings;
    ngDevMode &&
        assertNotEqual(getTStylingRangeNext(bindings), 0, 'Expecting to have at least one template styling binding.');
    tData[getTStylingRangePrev(bindings)] = tStylingKey;
}
/**
 * Collect all static values after the current `TNode.directiveStylingLast` index.
 *
 * Collect the remaining styling information which has not yet been collected by an existing
 * styling instruction.
 *
 * @param tData `TData` where the `DirectiveDefs` are stored.
 * @param tNode `TNode` which contains the directive range.
 * @param isClassBased `true` if `class` (`false` if `style`)
 */
function collectResidual(tData, tNode, isClassBased) {
    let residual = undefined;
    const directiveEnd = tNode.directiveEnd;
    ngDevMode &&
        assertNotEqual(tNode.directiveStylingLast, -1, 'By the time this function gets called at least one hostBindings-node styling instruction must have executed.');
    // We add `1 + tNode.directiveStart` because we need to skip the current directive (as we are
    // collecting things after the last `hostBindings` directive which had a styling instruction.)
    for (let i = 1 + tNode.directiveStylingLast; i < directiveEnd; i++) {
        const attrs = tData[i].hostAttrs;
        residual = collectStylingFromTAttrs(residual, attrs, isClassBased);
    }
    return collectStylingFromTAttrs(residual, tNode.attrs, isClassBased);
}
/**
 * Collect the static styling information with lower priority than `hostDirectiveDef`.
 *
 * (This is opposite of residual styling.)
 *
 * @param hostDirectiveDef `DirectiveDef` for which we want to collect lower priority static
 *        styling. (Or `null` if template styling)
 * @param tData `TData` where the linked list is stored.
 * @param tNode `TNode` for which the styling is being computed.
 * @param stylingKey Existing `TStylingKey` to update or wrap.
 * @param isClassBased `true` if `class` (`false` if `style`)
 */
function collectStylingFromDirectives(hostDirectiveDef, tData, tNode, stylingKey, isClassBased) {
    // We need to loop because there can be directives which have `hostAttrs` but don't have
    // `hostBindings` so this loop catches up to the current directive..
    let currentDirective = null;
    const directiveEnd = tNode.directiveEnd;
    let directiveStylingLast = tNode.directiveStylingLast;
    if (directiveStylingLast === -1) {
        directiveStylingLast = tNode.directiveStart;
    }
    else {
        directiveStylingLast++;
    }
    while (directiveStylingLast < directiveEnd) {
        currentDirective = tData[directiveStylingLast];
        ngDevMode && assertDefined(currentDirective, 'expected to be defined');
        stylingKey = collectStylingFromTAttrs(stylingKey, currentDirective.hostAttrs, isClassBased);
        if (currentDirective === hostDirectiveDef)
            break;
        directiveStylingLast++;
    }
    if (hostDirectiveDef !== null) {
        // we only advance the styling cursor if we are collecting data from host bindings.
        // Template executes before host bindings and so if we would update the index,
        // host bindings would not get their statics.
        tNode.directiveStylingLast = directiveStylingLast;
    }
    return stylingKey;
}
/**
 * Convert `TAttrs` into `TStylingStatic`.
 *
 * @param stylingKey existing `TStylingKey` to update or wrap.
 * @param attrs `TAttributes` to process.
 * @param isClassBased `true` if `class` (`false` if `style`)
 */
function collectStylingFromTAttrs(stylingKey, attrs, isClassBased) {
    const desiredMarker = isClassBased ? 1 /* Classes */ : 2 /* Styles */;
    let currentMarker = -1 /* ImplicitAttributes */;
    if (attrs !== null) {
        for (let i = 0; i < attrs.length; i++) {
            const item = attrs[i];
            if (typeof item === 'number') {
                currentMarker = item;
            }
            else {
                if (currentMarker === desiredMarker) {
                    if (!Array.isArray(stylingKey)) {
                        stylingKey = stylingKey === undefined ? [] : ['', stylingKey];
                    }
                    keyValueArraySet(stylingKey, item, isClassBased ? true : attrs[++i]);
                }
            }
        }
    }
    return stylingKey === undefined ? null : stylingKey;
}
/**
 * Convert user input to `KeyValueArray`.
 *
 * This function takes user input which could be `string`, Object literal, or iterable and converts
 * it into a consistent representation. The output of this is `KeyValueArray` (which is an array
 * where
 * even indexes contain keys and odd indexes contain values for those keys).
 *
 * The advantage of converting to `KeyValueArray` is that we can perform diff in an input
 * independent
 * way.
 * (ie we can compare `foo bar` to `['bar', 'baz'] and determine a set of changes which need to be
 * applied)
 *
 * The fact that `KeyValueArray` is sorted is very important because it allows us to compute the
 * difference in linear fashion without the need to allocate any additional data.
 *
 * For example if we kept this as a `Map` we would have to iterate over previous `Map` to determine
 * which values need to be deleted, over the new `Map` to determine additions, and we would have to
 * keep additional `Map` to keep track of duplicates or items which have not yet been visited.
 *
 * @param keyValueArraySet (See `keyValueArraySet` in "util/array_utils") Gets passed in as a
 *        function so that `style` can be processed. This is done
 *        for tree shaking purposes.
 * @param stringParser The parser is passed in so that it will be tree shakable. See
 *        `styleStringParser` and `classStringParser`
 * @param value The value to parse/convert to `KeyValueArray`
 */
function toStylingKeyValueArray(keyValueArraySet, stringParser, value) {
    if (value == null /*|| value === undefined */ || value === '')
        return EMPTY_ARRAY;
    const styleKeyValueArray = [];
    const unwrappedValue = unwrapSafeValue(value);
    if (Array.isArray(unwrappedValue)) {
        for (let i = 0; i < unwrappedValue.length; i++) {
            keyValueArraySet(styleKeyValueArray, unwrappedValue[i], true);
        }
    }
    else if (typeof unwrappedValue === 'object') {
        for (const key in unwrappedValue) {
            if (unwrappedValue.hasOwnProperty(key)) {
                keyValueArraySet(styleKeyValueArray, key, unwrappedValue[key]);
            }
        }
    }
    else if (typeof unwrappedValue === 'string') {
        stringParser(styleKeyValueArray, unwrappedValue);
    }
    else {
        ngDevMode &&
            throwError('Unsupported styling type ' + typeof unwrappedValue + ': ' + unwrappedValue);
    }
    return styleKeyValueArray;
}
/**
 * Set a `value` for a `key`.
 *
 * See: `keyValueArraySet` for details
 *
 * @param keyValueArray KeyValueArray to add to.
 * @param key Style key to add.
 * @param value The value to set.
 */
function styleKeyValueArraySet(keyValueArray, key, value) {
    keyValueArraySet(keyValueArray, key, unwrapSafeValue(value));
}
/**
 * Update map based styling.
 *
 * Map based styling could be anything which contains more than one binding. For example `string`,
 * or object literal. Dealing with all of these types would complicate the logic so
 * instead this function expects that the complex input is first converted into normalized
 * `KeyValueArray`. The advantage of normalization is that we get the values sorted, which makes it
 * very cheap to compute deltas between the previous and current value.
 *
 * @param tView Associated `TView.data` contains the linked list of binding priorities.
 * @param tNode `TNode` where the binding is located.
 * @param lView `LView` contains the values associated with other styling binding at this `TNode`.
 * @param renderer Renderer to use if any updates.
 * @param oldKeyValueArray Previous value represented as `KeyValueArray`
 * @param newKeyValueArray Current value represented as `KeyValueArray`
 * @param isClassBased `true` if `class` (`false` if `style`)
 * @param bindingIndex Binding index of the binding.
 */
function updateStylingMap(tView, tNode, lView, renderer, oldKeyValueArray, newKeyValueArray, isClassBased, bindingIndex) {
    if (oldKeyValueArray === NO_CHANGE) {
        // On first execution the oldKeyValueArray is NO_CHANGE => treat it as empty KeyValueArray.
        oldKeyValueArray = EMPTY_ARRAY;
    }
    let oldIndex = 0;
    let newIndex = 0;
    let oldKey = 0 < oldKeyValueArray.length ? oldKeyValueArray[0] : null;
    let newKey = 0 < newKeyValueArray.length ? newKeyValueArray[0] : null;
    while (oldKey !== null || newKey !== null) {
        ngDevMode && assertLessThan(oldIndex, 999, 'Are we stuck in infinite loop?');
        ngDevMode && assertLessThan(newIndex, 999, 'Are we stuck in infinite loop?');
        const oldValue = oldIndex < oldKeyValueArray.length ? oldKeyValueArray[oldIndex + 1] : undefined;
        const newValue = newIndex < newKeyValueArray.length ? newKeyValueArray[newIndex + 1] : undefined;
        let setKey = null;
        let setValue = undefined;
        if (oldKey === newKey) {
            // UPDATE: Keys are equal => new value is overwriting old value.
            oldIndex += 2;
            newIndex += 2;
            if (oldValue !== newValue) {
                setKey = newKey;
                setValue = newValue;
            }
        }
        else if (newKey === null || oldKey !== null && oldKey < newKey) {
            // DELETE: oldKey key is missing or we did not find the oldKey in the newValue
            // (because the keyValueArray is sorted and `newKey` is found later alphabetically).
            // `"background" < "color"` so we need to delete `"background"` because it is not found in the
            // new array.
            oldIndex += 2;
            setKey = oldKey;
        }
        else {
            // CREATE: newKey's is earlier alphabetically than oldKey's (or no oldKey) => we have new key.
            // `"color" > "background"` so we need to add `color` because it is in new array but not in
            // old array.
            ngDevMode && assertDefined(newKey, 'Expecting to have a valid key');
            newIndex += 2;
            setKey = newKey;
            setValue = newValue;
        }
        if (setKey !== null) {
            updateStyling(tView, tNode, lView, renderer, setKey, setValue, isClassBased, bindingIndex);
        }
        oldKey = oldIndex < oldKeyValueArray.length ? oldKeyValueArray[oldIndex] : null;
        newKey = newIndex < newKeyValueArray.length ? newKeyValueArray[newIndex] : null;
    }
}
/**
 * Update a simple (property name) styling.
 *
 * This function takes `prop` and updates the DOM to that value. The function takes the binding
 * value as well as binding priority into consideration to determine which value should be written
 * to DOM. (For example it may be determined that there is a higher priority overwrite which blocks
 * the DOM write, or if the value goes to `undefined` a lower priority overwrite may be consulted.)
 *
 * @param tView Associated `TView.data` contains the linked list of binding priorities.
 * @param tNode `TNode` where the binding is located.
 * @param lView `LView` contains the values associated with other styling binding at this `TNode`.
 * @param renderer Renderer to use if any updates.
 * @param prop Either style property name or a class name.
 * @param value Either style value for `prop` or `true`/`false` if `prop` is class.
 * @param isClassBased `true` if `class` (`false` if `style`)
 * @param bindingIndex Binding index of the binding.
 */
function updateStyling(tView, tNode, lView, renderer, prop, value, isClassBased, bindingIndex) {
    if (!(tNode.type & 3 /* AnyRNode */)) {
        // It is possible to have styling on non-elements (such as ng-container).
        // This is rare, but it does happen. In such a case, just ignore the binding.
        return;
    }
    const tData = tView.data;
    const tRange = tData[bindingIndex + 1];
    const higherPriorityValue = getTStylingRangeNextDuplicate(tRange) ?
        findStylingValue(tData, tNode, lView, prop, getTStylingRangeNext(tRange), isClassBased) :
        undefined;
    if (!isStylingValuePresent(higherPriorityValue)) {
        // We don't have a next duplicate, or we did not find a duplicate value.
        if (!isStylingValuePresent(value)) {
            // We should delete current value or restore to lower priority value.
            if (getTStylingRangePrevDuplicate(tRange)) {
                // We have a possible prev duplicate, let's retrieve it.
                value = findStylingValue(tData, null, lView, prop, bindingIndex, isClassBased);
            }
        }
        const rNode = getNativeByIndex(getSelectedIndex(), lView);
        applyStyling(renderer, isClassBased, rNode, prop, value);
    }
}
/**
 * Search for styling value with higher priority which is overwriting current value, or a
 * value of lower priority to which we should fall back if the value is `undefined`.
 *
 * When value is being applied at a location, related values need to be consulted.
 * - If there is a higher priority binding, we should be using that one instead.
 *   For example `<div  [style]="{color:exp1}" [style.color]="exp2">` change to `exp1`
 *   requires that we check `exp2` to see if it is set to value other than `undefined`.
 * - If there is a lower priority binding and we are changing to `undefined`
 *   For example `<div  [style]="{color:exp1}" [style.color]="exp2">` change to `exp2` to
 *   `undefined` requires that we check `exp1` (and static values) and use that as new value.
 *
 * NOTE: The styling stores two values.
 * 1. The raw value which came from the application is stored at `index + 0` location. (This value
 *    is used for dirty checking).
 * 2. The normalized value is stored at `index + 1`.
 *
 * @param tData `TData` used for traversing the priority.
 * @param tNode `TNode` to use for resolving static styling. Also controls search direction.
 *   - `TNode` search next and quit as soon as `isStylingValuePresent(value)` is true.
 *      If no value found consult `tNode.residualStyle`/`tNode.residualClass` for default value.
 *   - `null` search prev and go all the way to end. Return last value where
 *     `isStylingValuePresent(value)` is true.
 * @param lView `LView` used for retrieving the actual values.
 * @param prop Property which we are interested in.
 * @param index Starting index in the linked list of styling bindings where the search should start.
 * @param isClassBased `true` if `class` (`false` if `style`)
 */
function findStylingValue(tData, tNode, lView, prop, index, isClassBased) {
    // `TNode` to use for resolving static styling. Also controls search direction.
    //   - `TNode` search next and quit as soon as `isStylingValuePresent(value)` is true.
    //      If no value found consult `tNode.residualStyle`/`tNode.residualClass` for default value.
    //   - `null` search prev and go all the way to end. Return last value where
    //     `isStylingValuePresent(value)` is true.
    const isPrevDirection = tNode === null;
    let value = undefined;
    while (index > 0) {
        const rawKey = tData[index];
        const containsStatics = Array.isArray(rawKey);
        // Unwrap the key if we contain static values.
        const key = containsStatics ? rawKey[1] : rawKey;
        const isStylingMap = key === null;
        let valueAtLViewIndex = lView[index + 1];
        if (valueAtLViewIndex === NO_CHANGE) {
            // In firstUpdatePass the styling instructions create a linked list of styling.
            // On subsequent passes it is possible for a styling instruction to try to read a binding
            // which
            // has not yet executed. In that case we will find `NO_CHANGE` and we should assume that
            // we have `undefined` (or empty array in case of styling-map instruction) instead. This
            // allows the resolution to apply the value (which may later be overwritten when the
            // binding actually executes.)
            valueAtLViewIndex = isStylingMap ? EMPTY_ARRAY : undefined;
        }
        let currentValue = isStylingMap ? keyValueArrayGet(valueAtLViewIndex, prop) :
            key === prop ? valueAtLViewIndex : undefined;
        if (containsStatics && !isStylingValuePresent(currentValue)) {
            currentValue = keyValueArrayGet(rawKey, prop);
        }
        if (isStylingValuePresent(currentValue)) {
            value = currentValue;
            if (isPrevDirection) {
                return value;
            }
        }
        const tRange = tData[index + 1];
        index = isPrevDirection ? getTStylingRangePrev(tRange) : getTStylingRangeNext(tRange);
    }
    if (tNode !== null) {
        // in case where we are going in next direction AND we did not find anything, we need to
        // consult residual styling
        let residual = isClassBased ? tNode.residualClasses : tNode.residualStyles;
        if (residual != null /** OR residual !=== undefined */) {
            value = keyValueArrayGet(residual, prop);
        }
    }
    return value;
}
/**
 * Determines if the binding value should be used (or if the value is 'undefined' and hence priority
 * resolution should be used.)
 *
 * @param value Binding style value.
 */
function isStylingValuePresent(value) {
    // Currently only `undefined` value is considered non-binding. That is `undefined` says I don't
    // have an opinion as to what this binding should be and you should consult other bindings by
    // priority to determine the valid value.
    // This is extracted into a single function so that we have a single place to control this.
    return value !== undefined;
}
/**
 * Normalizes and/or adds a suffix to the value.
 *
 * If value is `null`/`undefined` no suffix is added
 * @param value
 * @param suffix
 */
function normalizeSuffix(value, suffix) {
    if (value == null /** || value === undefined */) {
        // do nothing
    }
    else if (typeof suffix === 'string') {
        value = value + suffix;
    }
    else if (typeof value === 'object') {
        value = stringify(unwrapSafeValue(value));
    }
    return value;
}
/**
 * Tests if the `TNode` has input shadow.
 *
 * An input shadow is when a directive steals (shadows) the input by using `@Input('style')` or
 * `@Input('class')` as input.
 *
 * @param tNode `TNode` which we would like to see if it has shadow.
 * @param isClassBased `true` if `class` (`false` if `style`)
 */
function hasStylingInputShadow(tNode, isClassBased) {
    return (tNode.flags & (isClassBased ? 16 /* hasClassInput */ : 32 /* hasStyleInput */)) !== 0;
}

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
/**
 * Create static text node
 *
 * @param index Index of the node in the data array
 * @param value Static string value to write.
 *
 * @codeGenApi
 */
function ɵɵtext(index, value = '') {
    const lView = getLView();
    const tView = getTView();
    const adjustedIndex = index + HEADER_OFFSET;
    ngDevMode &&
        assertEqual(getBindingIndex(), tView.bindingStartIndex, 'text nodes should be created before any bindings');
    ngDevMode && assertIndexInRange(lView, adjustedIndex);
    const tNode = tView.firstCreatePass ?
        getOrCreateTNode(tView, adjustedIndex, 1 /* Text */, value, null) :
        tView.data[adjustedIndex];
    const textNative = lView[adjustedIndex] = createTextNode(lView[RENDERER], value);
    appendChild(tView, lView, textNative, tNode);
    // Text nodes are self closing.
    setCurrentTNode(tNode, false);
}

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
/**
 *
 * Update text content with a lone bound value
 *
 * Used when a text node has 1 interpolated value in it, an no additional text
 * surrounds that interpolated value:
 *
 * ```html
 * <div>{{v0}}</div>
 * ```
 *
 * Its compiled representation is:
 *
 * ```ts
 * ɵɵtextInterpolate(v0);
 * ```
 * @returns itself, so that it may be chained.
 * @see textInterpolateV
 * @codeGenApi
 */
function ɵɵtextInterpolate(v0) {
    ɵɵtextInterpolate1('', v0, '');
    return ɵɵtextInterpolate;
}
/**
 *
 * Update text content with single bound value surrounded by other text.
 *
 * Used when a text node has 1 interpolated value in it:
 *
 * ```html
 * <div>prefix{{v0}}suffix</div>
 * ```
 *
 * Its compiled representation is:
 *
 * ```ts
 * ɵɵtextInterpolate1('prefix', v0, 'suffix');
 * ```
 * @returns itself, so that it may be chained.
 * @see textInterpolateV
 * @codeGenApi
 */
function ɵɵtextInterpolate1(prefix, v0, suffix) {
    const lView = getLView();
    const interpolated = interpolation1(lView, prefix, v0, suffix);
    if (interpolated !== NO_CHANGE) {
        textBindingInternal(lView, getSelectedIndex(), interpolated);
    }
    return ɵɵtextInterpolate1;
}
/**
 *
 * Update text content with 2 bound values surrounded by other text.
 *
 * Used when a text node has 2 interpolated values in it:
 *
 * ```html
 * <div>prefix{{v0}}-{{v1}}suffix</div>
 * ```
 *
 * Its compiled representation is:
 *
 * ```ts
 * ɵɵtextInterpolate2('prefix', v0, '-', v1, 'suffix');
 * ```
 * @returns itself, so that it may be chained.
 * @see textInterpolateV
 * @codeGenApi
 */
function ɵɵtextInterpolate2(prefix, v0, i0, v1, suffix) {
    const lView = getLView();
    const interpolated = interpolation2(lView, prefix, v0, i0, v1, suffix);
    if (interpolated !== NO_CHANGE) {
        textBindingInternal(lView, getSelectedIndex(), interpolated);
    }
    return ɵɵtextInterpolate2;
}
/**
 *
 * Update text content with 3 bound values surrounded by other text.
 *
 * Used when a text node has 3 interpolated values in it:
 *
 * ```html
 * <div>prefix{{v0}}-{{v1}}-{{v2}}suffix</div>
 * ```
 *
 * Its compiled representation is:
 *
 * ```ts
 * ɵɵtextInterpolate3(
 * 'prefix', v0, '-', v1, '-', v2, 'suffix');
 * ```
 * @returns itself, so that it may be chained.
 * @see textInterpolateV
 * @codeGenApi
 */
function ɵɵtextInterpolate3(prefix, v0, i0, v1, i1, v2, suffix) {
    const lView = getLView();
    const interpolated = interpolation3(lView, prefix, v0, i0, v1, i1, v2, suffix);
    if (interpolated !== NO_CHANGE) {
        textBindingInternal(lView, getSelectedIndex(), interpolated);
    }
    return ɵɵtextInterpolate3;
}
/**
 *
 * Update text content with 4 bound values surrounded by other text.
 *
 * Used when a text node has 4 interpolated values in it:
 *
 * ```html
 * <div>prefix{{v0}}-{{v1}}-{{v2}}-{{v3}}suffix</div>
 * ```
 *
 * Its compiled representation is:
 *
 * ```ts
 * ɵɵtextInterpolate4(
 * 'prefix', v0, '-', v1, '-', v2, '-', v3, 'suffix');
 * ```
 * @returns itself, so that it may be chained.
 * @see ɵɵtextInterpolateV
 * @codeGenApi
 */
function ɵɵtextInterpolate4(prefix, v0, i0, v1, i1, v2, i2, v3, suffix) {
    const lView = getLView();
    const interpolated = interpolation4(lView, prefix, v0, i0, v1, i1, v2, i2, v3, suffix);
    if (interpolated !== NO_CHANGE) {
        textBindingInternal(lView, getSelectedIndex(), interpolated);
    }
    return ɵɵtextInterpolate4;
}
/**
 *
 * Update text content with 5 bound values surrounded by other text.
 *
 * Used when a text node has 5 interpolated values in it:
 *
 * ```html
 * <div>prefix{{v0}}-{{v1}}-{{v2}}-{{v3}}-{{v4}}suffix</div>
 * ```
 *
 * Its compiled representation is:
 *
 * ```ts
 * ɵɵtextInterpolate5(
 * 'prefix', v0, '-', v1, '-', v2, '-', v3, '-', v4, 'suffix');
 * ```
 * @returns itself, so that it may be chained.
 * @see textInterpolateV
 * @codeGenApi
 */
function ɵɵtextInterpolate5(prefix, v0, i0, v1, i1, v2, i2, v3, i3, v4, suffix) {
    const lView = getLView();
    const interpolated = interpolation5(lView, prefix, v0, i0, v1, i1, v2, i2, v3, i3, v4, suffix);
    if (interpolated !== NO_CHANGE) {
        textBindingInternal(lView, getSelectedIndex(), interpolated);
    }
    return ɵɵtextInterpolate5;
}
/**
 *
 * Update text content with 6 bound values surrounded by other text.
 *
 * Used when a text node has 6 interpolated values in it:
 *
 * ```html
 * <div>prefix{{v0}}-{{v1}}-{{v2}}-{{v3}}-{{v4}}-{{v5}}suffix</div>
 * ```
 *
 * Its compiled representation is:
 *
 * ```ts
 * ɵɵtextInterpolate6(
 *    'prefix', v0, '-', v1, '-', v2, '-', v3, '-', v4, '-', v5, 'suffix');
 * ```
 *
 * @param i4 Static value used for concatenation only.
 * @param v5 Value checked for change. @returns itself, so that it may be chained.
 * @see textInterpolateV
 * @codeGenApi
 */
function ɵɵtextInterpolate6(prefix, v0, i0, v1, i1, v2, i2, v3, i3, v4, i4, v5, suffix) {
    const lView = getLView();
    const interpolated = interpolation6(lView, prefix, v0, i0, v1, i1, v2, i2, v3, i3, v4, i4, v5, suffix);
    if (interpolated !== NO_CHANGE) {
        textBindingInternal(lView, getSelectedIndex(), interpolated);
    }
    return ɵɵtextInterpolate6;
}
/**
 *
 * Update text content with 7 bound values surrounded by other text.
 *
 * Used when a text node has 7 interpolated values in it:
 *
 * ```html
 * <div>prefix{{v0}}-{{v1}}-{{v2}}-{{v3}}-{{v4}}-{{v5}}-{{v6}}suffix</div>
 * ```
 *
 * Its compiled representation is:
 *
 * ```ts
 * ɵɵtextInterpolate7(
 *    'prefix', v0, '-', v1, '-', v2, '-', v3, '-', v4, '-', v5, '-', v6, 'suffix');
 * ```
 * @returns itself, so that it may be chained.
 * @see textInterpolateV
 * @codeGenApi
 */
function ɵɵtextInterpolate7(prefix, v0, i0, v1, i1, v2, i2, v3, i3, v4, i4, v5, i5, v6, suffix) {
    const lView = getLView();
    const interpolated = interpolation7(lView, prefix, v0, i0, v1, i1, v2, i2, v3, i3, v4, i4, v5, i5, v6, suffix);
    if (interpolated !== NO_CHANGE) {
        textBindingInternal(lView, getSelectedIndex(), interpolated);
    }
    return ɵɵtextInterpolate7;
}
/**
 *
 * Update text content with 8 bound values surrounded by other text.
 *
 * Used when a text node has 8 interpolated values in it:
 *
 * ```html
 * <div>prefix{{v0}}-{{v1}}-{{v2}}-{{v3}}-{{v4}}-{{v5}}-{{v6}}-{{v7}}suffix</div>
 * ```
 *
 * Its compiled representation is:
 *
 * ```ts
 * ɵɵtextInterpolate8(
 *  'prefix', v0, '-', v1, '-', v2, '-', v3, '-', v4, '-', v5, '-', v6, '-', v7, 'suffix');
 * ```
 * @returns itself, so that it may be chained.
 * @see textInterpolateV
 * @codeGenApi
 */
function ɵɵtextInterpolate8(prefix, v0, i0, v1, i1, v2, i2, v3, i3, v4, i4, v5, i5, v6, i6, v7, suffix) {
    const lView = getLView();
    const interpolated = interpolation8(lView, prefix, v0, i0, v1, i1, v2, i2, v3, i3, v4, i4, v5, i5, v6, i6, v7, suffix);
    if (interpolated !== NO_CHANGE) {
        textBindingInternal(lView, getSelectedIndex(), interpolated);
    }
    return ɵɵtextInterpolate8;
}
/**
 * Update text content with 9 or more bound values other surrounded by text.
 *
 * Used when the number of interpolated values exceeds 8.
 *
 * ```html
 * <div>prefix{{v0}}-{{v1}}-{{v2}}-{{v3}}-{{v4}}-{{v5}}-{{v6}}-{{v7}}-{{v8}}-{{v9}}suffix</div>
 * ```
 *
 * Its compiled representation is:
 *
 * ```ts
 * ɵɵtextInterpolateV(
 *  ['prefix', v0, '-', v1, '-', v2, '-', v3, '-', v4, '-', v5, '-', v6, '-', v7, '-', v9,
 *  'suffix']);
 * ```
 *.
 * @param values The collection of values and the strings in between those values, beginning with
 * a string prefix and ending with a string suffix.
 * (e.g. `['prefix', value0, '-', value1, '-', value2, ..., value99, 'suffix']`)
 *
 * @returns itself, so that it may be chained.
 * @codeGenApi
 */
function ɵɵtextInterpolateV(values) {
    const lView = getLView();
    const interpolated = interpolationV(lView, values);
    if (interpolated !== NO_CHANGE) {
        textBindingInternal(lView, getSelectedIndex(), interpolated);
    }
    return ɵɵtextInterpolateV;
}

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
/**
 *
 * Update an interpolated class on an element with single bound value surrounded by text.
 *
 * Used when the value passed to a property has 1 interpolated value in it:
 *
 * ```html
 * <div class="prefix{{v0}}suffix"></div>
 * ```
 *
 * Its compiled representation is:
 *
 * ```ts
 * ɵɵclassMapInterpolate1('prefix', v0, 'suffix');
 * ```
 *
 * @param prefix Static value used for concatenation only.
 * @param v0 Value checked for change.
 * @param suffix Static value used for concatenation only.
 * @codeGenApi
 */
function ɵɵclassMapInterpolate1(prefix, v0, suffix) {
    const lView = getLView();
    const interpolatedValue = interpolation1(lView, prefix, v0, suffix);
    checkStylingMap(keyValueArraySet, classStringParser, interpolatedValue, true);
}
/**
 *
 * Update an interpolated class on an element with 2 bound values surrounded by text.
 *
 * Used when the value passed to a property has 2 interpolated values in it:
 *
 * ```html
 * <div class="prefix{{v0}}-{{v1}}suffix"></div>
 * ```
 *
 * Its compiled representation is:
 *
 * ```ts
 * ɵɵclassMapInterpolate2('prefix', v0, '-', v1, 'suffix');
 * ```
 *
 * @param prefix Static value used for concatenation only.
 * @param v0 Value checked for change.
 * @param i0 Static value used for concatenation only.
 * @param v1 Value checked for change.
 * @param suffix Static value used for concatenation only.
 * @codeGenApi
 */
function ɵɵclassMapInterpolate2(prefix, v0, i0, v1, suffix) {
    const lView = getLView();
    const interpolatedValue = interpolation2(lView, prefix, v0, i0, v1, suffix);
    checkStylingMap(keyValueArraySet, classStringParser, interpolatedValue, true);
}
/**
 *
 * Update an interpolated class on an element with 3 bound values surrounded by text.
 *
 * Used when the value passed to a property has 3 interpolated values in it:
 *
 * ```html
 * <div class="prefix{{v0}}-{{v1}}-{{v2}}suffix"></div>
 * ```
 *
 * Its compiled representation is:
 *
 * ```ts
 * ɵɵclassMapInterpolate3(
 * 'prefix', v0, '-', v1, '-', v2, 'suffix');
 * ```
 *
 * @param prefix Static value used for concatenation only.
 * @param v0 Value checked for change.
 * @param i0 Static value used for concatenation only.
 * @param v1 Value checked for change.
 * @param i1 Static value used for concatenation only.
 * @param v2 Value checked for change.
 * @param suffix Static value used for concatenation only.
 * @codeGenApi
 */
function ɵɵclassMapInterpolate3(prefix, v0, i0, v1, i1, v2, suffix) {
    const lView = getLView();
    const interpolatedValue = interpolation3(lView, prefix, v0, i0, v1, i1, v2, suffix);
    checkStylingMap(keyValueArraySet, classStringParser, interpolatedValue, true);
}
/**
 *
 * Update an interpolated class on an element with 4 bound values surrounded by text.
 *
 * Used when the value passed to a property has 4 interpolated values in it:
 *
 * ```html
 * <div class="prefix{{v0}}-{{v1}}-{{v2}}-{{v3}}suffix"></div>
 * ```
 *
 * Its compiled representation is:
 *
 * ```ts
 * ɵɵclassMapInterpolate4(
 * 'prefix', v0, '-', v1, '-', v2, '-', v3, 'suffix');
 * ```
 *
 * @param prefix Static value used for concatenation only.
 * @param v0 Value checked for change.
 * @param i0 Static value used for concatenation only.
 * @param v1 Value checked for change.
 * @param i1 Static value used for concatenation only.
 * @param v2 Value checked for change.
 * @param i2 Static value used for concatenation only.
 * @param v3 Value checked for change.
 * @param suffix Static value used for concatenation only.
 * @codeGenApi
 */
function ɵɵclassMapInterpolate4(prefix, v0, i0, v1, i1, v2, i2, v3, suffix) {
    const lView = getLView();
    const interpolatedValue = interpolation4(lView, prefix, v0, i0, v1, i1, v2, i2, v3, suffix);
    checkStylingMap(keyValueArraySet, classStringParser, interpolatedValue, true);
}
/**
 *
 * Update an interpolated class on an element with 5 bound values surrounded by text.
 *
 * Used when the value passed to a property has 5 interpolated values in it:
 *
 * ```html
 * <div class="prefix{{v0}}-{{v1}}-{{v2}}-{{v3}}-{{v4}}suffix"></div>
 * ```
 *
 * Its compiled representation is:
 *
 * ```ts
 * ɵɵclassMapInterpolate5(
 * 'prefix', v0, '-', v1, '-', v2, '-', v3, '-', v4, 'suffix');
 * ```
 *
 * @param prefix Static value used for concatenation only.
 * @param v0 Value checked for change.
 * @param i0 Static value used for concatenation only.
 * @param v1 Value checked for change.
 * @param i1 Static value used for concatenation only.
 * @param v2 Value checked for change.
 * @param i2 Static value used for concatenation only.
 * @param v3 Value checked for change.
 * @param i3 Static value used for concatenation only.
 * @param v4 Value checked for change.
 * @param suffix Static value used for concatenation only.
 * @codeGenApi
 */
function ɵɵclassMapInterpolate5(prefix, v0, i0, v1, i1, v2, i2, v3, i3, v4, suffix) {
    const lView = getLView();
    const interpolatedValue = interpolation5(lView, prefix, v0, i0, v1, i1, v2, i2, v3, i3, v4, suffix);
    checkStylingMap(keyValueArraySet, classStringParser, interpolatedValue, true);
}
/**
 *
 * Update an interpolated class on an element with 6 bound values surrounded by text.
 *
 * Used when the value passed to a property has 6 interpolated values in it:
 *
 * ```html
 * <div class="prefix{{v0}}-{{v1}}-{{v2}}-{{v3}}-{{v4}}-{{v5}}suffix"></div>
 * ```
 *
 * Its compiled representation is:
 *
 * ```ts
 * ɵɵclassMapInterpolate6(
 *    'prefix', v0, '-', v1, '-', v2, '-', v3, '-', v4, '-', v5, 'suffix');
 * ```
 *
 * @param prefix Static value used for concatenation only.
 * @param v0 Value checked for change.
 * @param i0 Static value used for concatenation only.
 * @param v1 Value checked for change.
 * @param i1 Static value used for concatenation only.
 * @param v2 Value checked for change.
 * @param i2 Static value used for concatenation only.
 * @param v3 Value checked for change.
 * @param i3 Static value used for concatenation only.
 * @param v4 Value checked for change.
 * @param i4 Static value used for concatenation only.
 * @param v5 Value checked for change.
 * @param suffix Static value used for concatenation only.
 * @codeGenApi
 */
function ɵɵclassMapInterpolate6(prefix, v0, i0, v1, i1, v2, i2, v3, i3, v4, i4, v5, suffix) {
    const lView = getLView();
    const interpolatedValue = interpolation6(lView, prefix, v0, i0, v1, i1, v2, i2, v3, i3, v4, i4, v5, suffix);
    checkStylingMap(keyValueArraySet, classStringParser, interpolatedValue, true);
}
/**
 *
 * Update an interpolated class on an element with 7 bound values surrounded by text.
 *
 * Used when the value passed to a property has 7 interpolated values in it:
 *
 * ```html
 * <div class="prefix{{v0}}-{{v1}}-{{v2}}-{{v3}}-{{v4}}-{{v5}}-{{v6}}suffix"></div>
 * ```
 *
 * Its compiled representation is:
 *
 * ```ts
 * ɵɵclassMapInterpolate7(
 *    'prefix', v0, '-', v1, '-', v2, '-', v3, '-', v4, '-', v5, '-', v6, 'suffix');
 * ```
 *
 * @param prefix Static value used for concatenation only.
 * @param v0 Value checked for change.
 * @param i0 Static value used for concatenation only.
 * @param v1 Value checked for change.
 * @param i1 Static value used for concatenation only.
 * @param v2 Value checked for change.
 * @param i2 Static value used for concatenation only.
 * @param v3 Value checked for change.
 * @param i3 Static value used for concatenation only.
 * @param v4 Value checked for change.
 * @param i4 Static value used for concatenation only.
 * @param v5 Value checked for change.
 * @param i5 Static value used for concatenation only.
 * @param v6 Value checked for change.
 * @param suffix Static value used for concatenation only.
 * @codeGenApi
 */
function ɵɵclassMapInterpolate7(prefix, v0, i0, v1, i1, v2, i2, v3, i3, v4, i4, v5, i5, v6, suffix) {
    const lView = getLView();
    const interpolatedValue = interpolation7(lView, prefix, v0, i0, v1, i1, v2, i2, v3, i3, v4, i4, v5, i5, v6, suffix);
    checkStylingMap(keyValueArraySet, classStringParser, interpolatedValue, true);
}
/**
 *
 * Update an interpolated class on an element with 8 bound values surrounded by text.
 *
 * Used when the value passed to a property has 8 interpolated values in it:
 *
 * ```html
 * <div class="prefix{{v0}}-{{v1}}-{{v2}}-{{v3}}-{{v4}}-{{v5}}-{{v6}}-{{v7}}suffix"></div>
 * ```
 *
 * Its compiled representation is:
 *
 * ```ts
 * ɵɵclassMapInterpolate8(
 *  'prefix', v0, '-', v1, '-', v2, '-', v3, '-', v4, '-', v5, '-', v6, '-', v7, 'suffix');
 * ```
 *
 * @param prefix Static value used for concatenation only.
 * @param v0 Value checked for change.
 * @param i0 Static value used for concatenation only.
 * @param v1 Value checked for change.
 * @param i1 Static value used for concatenation only.
 * @param v2 Value checked for change.
 * @param i2 Static value used for concatenation only.
 * @param v3 Value checked for change.
 * @param i3 Static value used for concatenation only.
 * @param v4 Value checked for change.
 * @param i4 Static value used for concatenation only.
 * @param v5 Value checked for change.
 * @param i5 Static value used for concatenation only.
 * @param v6 Value checked for change.
 * @param i6 Static value used for concatenation only.
 * @param v7 Value checked for change.
 * @param suffix Static value used for concatenation only.
 * @codeGenApi
 */
function ɵɵclassMapInterpolate8(prefix, v0, i0, v1, i1, v2, i2, v3, i3, v4, i4, v5, i5, v6, i6, v7, suffix) {
    const lView = getLView();
    const interpolatedValue = interpolation8(lView, prefix, v0, i0, v1, i1, v2, i2, v3, i3, v4, i4, v5, i5, v6, i6, v7, suffix);
    checkStylingMap(keyValueArraySet, classStringParser, interpolatedValue, true);
}
/**
 * Update an interpolated class on an element with 9 or more bound values surrounded by text.
 *
 * Used when the number of interpolated values exceeds 8.
 *
 * ```html
 * <div
 *  class="prefix{{v0}}-{{v1}}-{{v2}}-{{v3}}-{{v4}}-{{v5}}-{{v6}}-{{v7}}-{{v8}}-{{v9}}suffix"></div>
 * ```
 *
 * Its compiled representation is:
 *
 * ```ts
 * ɵɵclassMapInterpolateV(
 *  ['prefix', v0, '-', v1, '-', v2, '-', v3, '-', v4, '-', v5, '-', v6, '-', v7, '-', v9,
 *  'suffix']);
 * ```
 *.
 * @param values The collection of values and the strings in-between those values, beginning with
 * a string prefix and ending with a string suffix.
 * (e.g. `['prefix', value0, '-', value1, '-', value2, ..., value99, 'suffix']`)
 * @codeGenApi
 */
function ɵɵclassMapInterpolateV(values) {
    const lView = getLView();
    const interpolatedValue = interpolationV(lView, values);
    checkStylingMap(keyValueArraySet, classStringParser, interpolatedValue, true);
}

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
/**
 *
 * Update an interpolated style on an element with single bound value surrounded by text.
 *
 * Used when the value passed to a property has 1 interpolated value in it:
 *
 * ```html
 * <div style="key: {{v0}}suffix"></div>
 * ```
 *
 * Its compiled representation is:
 *
 * ```ts
 * ɵɵstyleMapInterpolate1('key: ', v0, 'suffix');
 * ```
 *
 * @param prefix Static value used for concatenation only.
 * @param v0 Value checked for change.
 * @param suffix Static value used for concatenation only.
 * @codeGenApi
 */
function ɵɵstyleMapInterpolate1(prefix, v0, suffix) {
    const lView = getLView();
    const interpolatedValue = interpolation1(lView, prefix, v0, suffix);
    ɵɵstyleMap(interpolatedValue);
}
/**
 *
 * Update an interpolated style on an element with 2 bound values surrounded by text.
 *
 * Used when the value passed to a property has 2 interpolated values in it:
 *
 * ```html
 * <div style="key: {{v0}}; key1: {{v1}}suffix"></div>
 * ```
 *
 * Its compiled representation is:
 *
 * ```ts
 * ɵɵstyleMapInterpolate2('key: ', v0, '; key1: ', v1, 'suffix');
 * ```
 *
 * @param prefix Static value used for concatenation only.
 * @param v0 Value checked for change.
 * @param i0 Static value used for concatenation only.
 * @param v1 Value checked for change.
 * @param suffix Static value used for concatenation only.
 * @codeGenApi
 */
function ɵɵstyleMapInterpolate2(prefix, v0, i0, v1, suffix) {
    const lView = getLView();
    const interpolatedValue = interpolation2(lView, prefix, v0, i0, v1, suffix);
    ɵɵstyleMap(interpolatedValue);
}
/**
 *
 * Update an interpolated style on an element with 3 bound values surrounded by text.
 *
 * Used when the value passed to a property has 3 interpolated values in it:
 *
 * ```html
 * <div style="key: {{v0}}; key2: {{v1}}; key2: {{v2}}suffix"></div>
 * ```
 *
 * Its compiled representation is:
 *
 * ```ts
 * ɵɵstyleMapInterpolate3(
 *     'key: ', v0, '; key1: ', v1, '; key2: ', v2, 'suffix');
 * ```
 *
 * @param prefix Static value used for concatenation only.
 * @param v0 Value checked for change.
 * @param i0 Static value used for concatenation only.
 * @param v1 Value checked for change.
 * @param i1 Static value used for concatenation only.
 * @param v2 Value checked for change.
 * @param suffix Static value used for concatenation only.
 * @codeGenApi
 */
function ɵɵstyleMapInterpolate3(prefix, v0, i0, v1, i1, v2, suffix) {
    const lView = getLView();
    const interpolatedValue = interpolation3(lView, prefix, v0, i0, v1, i1, v2, suffix);
    ɵɵstyleMap(interpolatedValue);
}
/**
 *
 * Update an interpolated style on an element with 4 bound values surrounded by text.
 *
 * Used when the value passed to a property has 4 interpolated values in it:
 *
 * ```html
 * <div style="key: {{v0}}; key1: {{v1}}; key2: {{v2}}; key3: {{v3}}suffix"></div>
 * ```
 *
 * Its compiled representation is:
 *
 * ```ts
 * ɵɵstyleMapInterpolate4(
 *     'key: ', v0, '; key1: ', v1, '; key2: ', v2, '; key3: ', v3, 'suffix');
 * ```
 *
 * @param prefix Static value used for concatenation only.
 * @param v0 Value checked for change.
 * @param i0 Static value used for concatenation only.
 * @param v1 Value checked for change.
 * @param i1 Static value used for concatenation only.
 * @param v2 Value checked for change.
 * @param i2 Static value used for concatenation only.
 * @param v3 Value checked for change.
 * @param suffix Static value used for concatenation only.
 * @codeGenApi
 */
function ɵɵstyleMapInterpolate4(prefix, v0, i0, v1, i1, v2, i2, v3, suffix) {
    const lView = getLView();
    const interpolatedValue = interpolation4(lView, prefix, v0, i0, v1, i1, v2, i2, v3, suffix);
    ɵɵstyleMap(interpolatedValue);
}
/**
 *
 * Update an interpolated style on an element with 5 bound values surrounded by text.
 *
 * Used when the value passed to a property has 5 interpolated values in it:
 *
 * ```html
 * <div style="key: {{v0}}; key1: {{v1}}; key2: {{v2}}; key3: {{v3}}; key4: {{v4}}suffix"></div>
 * ```
 *
 * Its compiled representation is:
 *
 * ```ts
 * ɵɵstyleMapInterpolate5(
 *     'key: ', v0, '; key1: ', v1, '; key2: ', v2, '; key3: ', v3, '; key4: ', v4, 'suffix');
 * ```
 *
 * @param prefix Static value used for concatenation only.
 * @param v0 Value checked for change.
 * @param i0 Static value used for concatenation only.
 * @param v1 Value checked for change.
 * @param i1 Static value used for concatenation only.
 * @param v2 Value checked for change.
 * @param i2 Static value used for concatenation only.
 * @param v3 Value checked for change.
 * @param i3 Static value used for concatenation only.
 * @param v4 Value checked for change.
 * @param suffix Static value used for concatenation only.
 * @codeGenApi
 */
function ɵɵstyleMapInterpolate5(prefix, v0, i0, v1, i1, v2, i2, v3, i3, v4, suffix) {
    const lView = getLView();
    const interpolatedValue = interpolation5(lView, prefix, v0, i0, v1, i1, v2, i2, v3, i3, v4, suffix);
    ɵɵstyleMap(interpolatedValue);
}
/**
 *
 * Update an interpolated style on an element with 6 bound values surrounded by text.
 *
 * Used when the value passed to a property has 6 interpolated values in it:
 *
 * ```html
 * <div style="key: {{v0}}; key1: {{v1}}; key2: {{v2}}; key3: {{v3}}; key4: {{v4}};
 *             key5: {{v5}}suffix"></div>
 * ```
 *
 * Its compiled representation is:
 *
 * ```ts
 * ɵɵstyleMapInterpolate6(
 *    'key: ', v0, '; key1: ', v1, '; key2: ', v2, '; key3: ', v3, '; key4: ', v4, '; key5: ', v5,
 *    'suffix');
 * ```
 *
 * @param prefix Static value used for concatenation only.
 * @param v0 Value checked for change.
 * @param i0 Static value used for concatenation only.
 * @param v1 Value checked for change.
 * @param i1 Static value used for concatenation only.
 * @param v2 Value checked for change.
 * @param i2 Static value used for concatenation only.
 * @param v3 Value checked for change.
 * @param i3 Static value used for concatenation only.
 * @param v4 Value checked for change.
 * @param i4 Static value used for concatenation only.
 * @param v5 Value checked for change.
 * @param suffix Static value used for concatenation only.
 * @codeGenApi
 */
function ɵɵstyleMapInterpolate6(prefix, v0, i0, v1, i1, v2, i2, v3, i3, v4, i4, v5, suffix) {
    const lView = getLView();
    const interpolatedValue = interpolation6(lView, prefix, v0, i0, v1, i1, v2, i2, v3, i3, v4, i4, v5, suffix);
    ɵɵstyleMap(interpolatedValue);
}
/**
 *
 * Update an interpolated style on an element with 7 bound values surrounded by text.
 *
 * Used when the value passed to a property has 7 interpolated values in it:
 *
 * ```html
 * <div style="key: {{v0}}; key1: {{v1}}; key2: {{v2}}; key3: {{v3}}; key4: {{v4}}; key5: {{v5}};
 *             key6: {{v6}}suffix"></div>
 * ```
 *
 * Its compiled representation is:
 *
 * ```ts
 * ɵɵstyleMapInterpolate7(
 *    'key: ', v0, '; key1: ', v1, '; key2: ', v2, '; key3: ', v3, '; key4: ', v4, '; key5: ', v5,
 *    '; key6: ', v6, 'suffix');
 * ```
 *
 * @param prefix Static value used for concatenation only.
 * @param v0 Value checked for change.
 * @param i0 Static value used for concatenation only.
 * @param v1 Value checked for change.
 * @param i1 Static value used for concatenation only.
 * @param v2 Value checked for change.
 * @param i2 Static value used for concatenation only.
 * @param v3 Value checked for change.
 * @param i3 Static value used for concatenation only.
 * @param v4 Value checked for change.
 * @param i4 Static value used for concatenation only.
 * @param v5 Value checked for change.
 * @param i5 Static value used for concatenation only.
 * @param v6 Value checked for change.
 * @param suffix Static value used for concatenation only.
 * @codeGenApi
 */
function ɵɵstyleMapInterpolate7(prefix, v0, i0, v1, i1, v2, i2, v3, i3, v4, i4, v5, i5, v6, suffix) {
    const lView = getLView();
    const interpolatedValue = interpolation7(lView, prefix, v0, i0, v1, i1, v2, i2, v3, i3, v4, i4, v5, i5, v6, suffix);
    ɵɵstyleMap(interpolatedValue);
}
/**
 *
 * Update an interpolated style on an element with 8 bound values surrounded by text.
 *
 * Used when the value passed to a property has 8 interpolated values in it:
 *
 * ```html
 * <div style="key: {{v0}}; key1: {{v1}}; key2: {{v2}}; key3: {{v3}}; key4: {{v4}}; key5: {{v5}};
 *             key6: {{v6}}; key7: {{v7}}suffix"></div>
 * ```
 *
 * Its compiled representation is:
 *
 * ```ts
 * ɵɵstyleMapInterpolate8(
 *    'key: ', v0, '; key1: ', v1, '; key2: ', v2, '; key3: ', v3, '; key4: ', v4, '; key5: ', v5,
 *    '; key6: ', v6, '; key7: ', v7, 'suffix');
 * ```
 *
 * @param prefix Static value used for concatenation only.
 * @param v0 Value checked for change.
 * @param i0 Static value used for concatenation only.
 * @param v1 Value checked for change.
 * @param i1 Static value used for concatenation only.
 * @param v2 Value checked for change.
 * @param i2 Static value used for concatenation only.
 * @param v3 Value checked for change.
 * @param i3 Static value used for concatenation only.
 * @param v4 Value checked for change.
 * @param i4 Static value used for concatenation only.
 * @param v5 Value checked for change.
 * @param i5 Static value used for concatenation only.
 * @param v6 Value checked for change.
 * @param i6 Static value used for concatenation only.
 * @param v7 Value checked for change.
 * @param suffix Static value used for concatenation only.
 * @codeGenApi
 */
function ɵɵstyleMapInterpolate8(prefix, v0, i0, v1, i1, v2, i2, v3, i3, v4, i4, v5, i5, v6, i6, v7, suffix) {
    const lView = getLView();
    const interpolatedValue = interpolation8(lView, prefix, v0, i0, v1, i1, v2, i2, v3, i3, v4, i4, v5, i5, v6, i6, v7, suffix);
    ɵɵstyleMap(interpolatedValue);
}
/**
 * Update an interpolated style on an element with 9 or more bound values surrounded by text.
 *
 * Used when the number of interpolated values exceeds 8.
 *
 * ```html
 * <div
 *  class="key: {{v0}}; key1: {{v1}}; key2: {{v2}}; key3: {{v3}}; key4: {{v4}}; key5: {{v5}};
 *         key6: {{v6}}; key7: {{v7}}; key8: {{v8}}; key9: {{v9}}suffix"></div>
 * ```
 *
 * Its compiled representation is:
 *
 * ```ts
 * ɵɵstyleMapInterpolateV(
 *    ['key: ', v0, '; key1: ', v1, '; key2: ', v2, '; key3: ', v3, '; key4: ', v4, '; key5: ', v5,
 *     '; key6: ', v6, '; key7: ', v7, '; key8: ', v8, '; key9: ', v9, 'suffix']);
 * ```
 *.
 * @param values The collection of values and the strings in-between those values, beginning with
 * a string prefix and ending with a string suffix.
 * (e.g. `['prefix', value0, '; key2: ', value1, '; key2: ', value2, ..., value99, 'suffix']`)
 * @codeGenApi
 */
function ɵɵstyleMapInterpolateV(values) {
    const lView = getLView();
    const interpolatedValue = interpolationV(lView, values);
    ɵɵstyleMap(interpolatedValue);
}

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
/**
 *
 * Update an interpolated style property on an element with single bound value surrounded by text.
 *
 * Used when the value passed to a property has 1 interpolated value in it:
 *
 * ```html
 * <div style.color="prefix{{v0}}suffix"></div>
 * ```
 *
 * Its compiled representation is:
 *
 * ```ts
 * ɵɵstylePropInterpolate1(0, 'prefix', v0, 'suffix');
 * ```
 *
 * @param styleIndex Index of style to update. This index value refers to the
 *        index of the style in the style bindings array that was passed into
 *        `styling`.
 * @param prefix Static value used for concatenation only.
 * @param v0 Value checked for change.
 * @param suffix Static value used for concatenation only.
 * @param valueSuffix Optional suffix. Used with scalar values to add unit such as `px`.
 * @returns itself, so that it may be chained.
 * @codeGenApi
 */
function ɵɵstylePropInterpolate1(prop, prefix, v0, suffix, valueSuffix) {
    const lView = getLView();
    const interpolatedValue = interpolation1(lView, prefix, v0, suffix);
    checkStylingProperty(prop, interpolatedValue, valueSuffix, false);
    return ɵɵstylePropInterpolate1;
}
/**
 *
 * Update an interpolated style property on an element with 2 bound values surrounded by text.
 *
 * Used when the value passed to a property has 2 interpolated values in it:
 *
 * ```html
 * <div style.color="prefix{{v0}}-{{v1}}suffix"></div>
 * ```
 *
 * Its compiled representation is:
 *
 * ```ts
 * ɵɵstylePropInterpolate2(0, 'prefix', v0, '-', v1, 'suffix');
 * ```
 *
 * @param styleIndex Index of style to update. This index value refers to the
 *        index of the style in the style bindings array that was passed into
 *        `styling`.
 * @param prefix Static value used for concatenation only.
 * @param v0 Value checked for change.
 * @param i0 Static value used for concatenation only.
 * @param v1 Value checked for change.
 * @param suffix Static value used for concatenation only.
 * @param valueSuffix Optional suffix. Used with scalar values to add unit such as `px`.
 * @returns itself, so that it may be chained.
 * @codeGenApi
 */
function ɵɵstylePropInterpolate2(prop, prefix, v0, i0, v1, suffix, valueSuffix) {
    const lView = getLView();
    const interpolatedValue = interpolation2(lView, prefix, v0, i0, v1, suffix);
    checkStylingProperty(prop, interpolatedValue, valueSuffix, false);
    return ɵɵstylePropInterpolate2;
}
/**
 *
 * Update an interpolated style property on an element with 3 bound values surrounded by text.
 *
 * Used when the value passed to a property has 3 interpolated values in it:
 *
 * ```html
 * <div style.color="prefix{{v0}}-{{v1}}-{{v2}}suffix"></div>
 * ```
 *
 * Its compiled representation is:
 *
 * ```ts
 * ɵɵstylePropInterpolate3(0, 'prefix', v0, '-', v1, '-', v2, 'suffix');
 * ```
 *
 * @param styleIndex Index of style to update. This index value refers to the
 *        index of the style in the style bindings array that was passed into
 *        `styling`.
 * @param prefix Static value used for concatenation only.
 * @param v0 Value checked for change.
 * @param i0 Static value used for concatenation only.
 * @param v1 Value checked for change.
 * @param i1 Static value used for concatenation only.
 * @param v2 Value checked for change.
 * @param suffix Static value used for concatenation only.
 * @param valueSuffix Optional suffix. Used with scalar values to add unit such as `px`.
 * @returns itself, so that it may be chained.
 * @codeGenApi
 */
function ɵɵstylePropInterpolate3(prop, prefix, v0, i0, v1, i1, v2, suffix, valueSuffix) {
    const lView = getLView();
    const interpolatedValue = interpolation3(lView, prefix, v0, i0, v1, i1, v2, suffix);
    checkStylingProperty(prop, interpolatedValue, valueSuffix, false);
    return ɵɵstylePropInterpolate3;
}
/**
 *
 * Update an interpolated style property on an element with 4 bound values surrounded by text.
 *
 * Used when the value passed to a property has 4 interpolated values in it:
 *
 * ```html
 * <div style.color="prefix{{v0}}-{{v1}}-{{v2}}-{{v3}}suffix"></div>
 * ```
 *
 * Its compiled representation is:
 *
 * ```ts
 * ɵɵstylePropInterpolate4(0, 'prefix', v0, '-', v1, '-', v2, '-', v3, 'suffix');
 * ```
 *
 * @param styleIndex Index of style to update. This index value refers to the
 *        index of the style in the style bindings array that was passed into
 *        `styling`.
 * @param prefix Static value used for concatenation only.
 * @param v0 Value checked for change.
 * @param i0 Static value used for concatenation only.
 * @param v1 Value checked for change.
 * @param i1 Static value used for concatenation only.
 * @param v2 Value checked for change.
 * @param i2 Static value used for concatenation only.
 * @param v3 Value checked for change.
 * @param suffix Static value used for concatenation only.
 * @param valueSuffix Optional suffix. Used with scalar values to add unit such as `px`.
 * @returns itself, so that it may be chained.
 * @codeGenApi
 */
function ɵɵstylePropInterpolate4(prop, prefix, v0, i0, v1, i1, v2, i2, v3, suffix, valueSuffix) {
    const lView = getLView();
    const interpolatedValue = interpolation4(lView, prefix, v0, i0, v1, i1, v2, i2, v3, suffix);
    checkStylingProperty(prop, interpolatedValue, valueSuffix, false);
    return ɵɵstylePropInterpolate4;
}
/**
 *
 * Update an interpolated style property on an element with 5 bound values surrounded by text.
 *
 * Used when the value passed to a property has 5 interpolated values in it:
 *
 * ```html
 * <div style.color="prefix{{v0}}-{{v1}}-{{v2}}-{{v3}}-{{v4}}suffix"></div>
 * ```
 *
 * Its compiled representation is:
 *
 * ```ts
 * ɵɵstylePropInterpolate5(0, 'prefix', v0, '-', v1, '-', v2, '-', v3, '-', v4, 'suffix');
 * ```
 *
 * @param styleIndex Index of style to update. This index value refers to the
 *        index of the style in the style bindings array that was passed into
 *        `styling`.
 * @param prefix Static value used for concatenation only.
 * @param v0 Value checked for change.
 * @param i0 Static value used for concatenation only.
 * @param v1 Value checked for change.
 * @param i1 Static value used for concatenation only.
 * @param v2 Value checked for change.
 * @param i2 Static value used for concatenation only.
 * @param v3 Value checked for change.
 * @param i3 Static value used for concatenation only.
 * @param v4 Value checked for change.
 * @param suffix Static value used for concatenation only.
 * @param valueSuffix Optional suffix. Used with scalar values to add unit such as `px`.
 * @returns itself, so that it may be chained.
 * @codeGenApi
 */
function ɵɵstylePropInterpolate5(prop, prefix, v0, i0, v1, i1, v2, i2, v3, i3, v4, suffix, valueSuffix) {
    const lView = getLView();
    const interpolatedValue = interpolation5(lView, prefix, v0, i0, v1, i1, v2, i2, v3, i3, v4, suffix);
    checkStylingProperty(prop, interpolatedValue, valueSuffix, false);
    return ɵɵstylePropInterpolate5;
}
/**
 *
 * Update an interpolated style property on an element with 6 bound values surrounded by text.
 *
 * Used when the value passed to a property has 6 interpolated values in it:
 *
 * ```html
 * <div style.color="prefix{{v0}}-{{v1}}-{{v2}}-{{v3}}-{{v4}}-{{v5}}suffix"></div>
 * ```
 *
 * Its compiled representation is:
 *
 * ```ts
 * ɵɵstylePropInterpolate6(0, 'prefix', v0, '-', v1, '-', v2, '-', v3, '-', v4, '-', v5, 'suffix');
 * ```
 *
 * @param styleIndex Index of style to update. This index value refers to the
 *        index of the style in the style bindings array that was passed into
 *        `styling`.
 * @param prefix Static value used for concatenation only.
 * @param v0 Value checked for change.
 * @param i0 Static value used for concatenation only.
 * @param v1 Value checked for change.
 * @param i1 Static value used for concatenation only.
 * @param v2 Value checked for change.
 * @param i2 Static value used for concatenation only.
 * @param v3 Value checked for change.
 * @param i3 Static value used for concatenation only.
 * @param v4 Value checked for change.
 * @param i4 Static value used for concatenation only.
 * @param v5 Value checked for change.
 * @param suffix Static value used for concatenation only.
 * @param valueSuffix Optional suffix. Used with scalar values to add unit such as `px`.
 * @returns itself, so that it may be chained.
 * @codeGenApi
 */
function ɵɵstylePropInterpolate6(prop, prefix, v0, i0, v1, i1, v2, i2, v3, i3, v4, i4, v5, suffix, valueSuffix) {
    const lView = getLView();
    const interpolatedValue = interpolation6(lView, prefix, v0, i0, v1, i1, v2, i2, v3, i3, v4, i4, v5, suffix);
    checkStylingProperty(prop, interpolatedValue, valueSuffix, false);
    return ɵɵstylePropInterpolate6;
}
/**
 *
 * Update an interpolated style property on an element with 7 bound values surrounded by text.
 *
 * Used when the value passed to a property has 7 interpolated values in it:
 *
 * ```html
 * <div style.color="prefix{{v0}}-{{v1}}-{{v2}}-{{v3}}-{{v4}}-{{v5}}-{{v6}}suffix"></div>
 * ```
 *
 * Its compiled representation is:
 *
 * ```ts
 * ɵɵstylePropInterpolate7(
 *    0, 'prefix', v0, '-', v1, '-', v2, '-', v3, '-', v4, '-', v5, '-', v6, 'suffix');
 * ```
 *
 * @param styleIndex Index of style to update. This index value refers to the
 *        index of the style in the style bindings array that was passed into
 *        `styling`.
 * @param prefix Static value used for concatenation only.
 * @param v0 Value checked for change.
 * @param i0 Static value used for concatenation only.
 * @param v1 Value checked for change.
 * @param i1 Static value used for concatenation only.
 * @param v2 Value checked for change.
 * @param i2 Static value used for concatenation only.
 * @param v3 Value checked for change.
 * @param i3 Static value used for concatenation only.
 * @param v4 Value checked for change.
 * @param i4 Static value used for concatenation only.
 * @param v5 Value checked for change.
 * @param i5 Static value used for concatenation only.
 * @param v6 Value checked for change.
 * @param suffix Static value used for concatenation only.
 * @param valueSuffix Optional suffix. Used with scalar values to add unit such as `px`.
 * @returns itself, so that it may be chained.
 * @codeGenApi
 */
function ɵɵstylePropInterpolate7(prop, prefix, v0, i0, v1, i1, v2, i2, v3, i3, v4, i4, v5, i5, v6, suffix, valueSuffix) {
    const lView = getLView();
    const interpolatedValue = interpolation7(lView, prefix, v0, i0, v1, i1, v2, i2, v3, i3, v4, i4, v5, i5, v6, suffix);
    checkStylingProperty(prop, interpolatedValue, valueSuffix, false);
    return ɵɵstylePropInterpolate7;
}
/**
 *
 * Update an interpolated style property on an element with 8 bound values surrounded by text.
 *
 * Used when the value passed to a property has 8 interpolated values in it:
 *
 * ```html
 * <div style.color="prefix{{v0}}-{{v1}}-{{v2}}-{{v3}}-{{v4}}-{{v5}}-{{v6}}-{{v7}}suffix"></div>
 * ```
 *
 * Its compiled representation is:
 *
 * ```ts
 * ɵɵstylePropInterpolate8(0, 'prefix', v0, '-', v1, '-', v2, '-', v3, '-', v4, '-', v5, '-', v6,
 * '-', v7, 'suffix');
 * ```
 *
 * @param styleIndex Index of style to update. This index value refers to the
 *        index of the style in the style bindings array that was passed into
 *        `styling`.
 * @param prefix Static value used for concatenation only.
 * @param v0 Value checked for change.
 * @param i0 Static value used for concatenation only.
 * @param v1 Value checked for change.
 * @param i1 Static value used for concatenation only.
 * @param v2 Value checked for change.
 * @param i2 Static value used for concatenation only.
 * @param v3 Value checked for change.
 * @param i3 Static value used for concatenation only.
 * @param v4 Value checked for change.
 * @param i4 Static value used for concatenation only.
 * @param v5 Value checked for change.
 * @param i5 Static value used for concatenation only.
 * @param v6 Value checked for change.
 * @param i6 Static value used for concatenation only.
 * @param v7 Value checked for change.
 * @param suffix Static value used for concatenation only.
 * @param valueSuffix Optional suffix. Used with scalar values to add unit such as `px`.
 * @returns itself, so that it may be chained.
 * @codeGenApi
 */
function ɵɵstylePropInterpolate8(prop, prefix, v0, i0, v1, i1, v2, i2, v3, i3, v4, i4, v5, i5, v6, i6, v7, suffix, valueSuffix) {
    const lView = getLView();
    const interpolatedValue = interpolation8(lView, prefix, v0, i0, v1, i1, v2, i2, v3, i3, v4, i4, v5, i5, v6, i6, v7, suffix);
    checkStylingProperty(prop, interpolatedValue, valueSuffix, false);
    return ɵɵstylePropInterpolate8;
}
/**
 * Update an interpolated style property on an element with 9 or more bound values surrounded by
 * text.
 *
 * Used when the number of interpolated values exceeds 8.
 *
 * ```html
 * <div
 *  style.color="prefix{{v0}}-{{v1}}-{{v2}}-{{v3}}-{{v4}}-{{v5}}-{{v6}}-{{v7}}-{{v8}}-{{v9}}suffix">
 * </div>
 * ```
 *
 * Its compiled representation is:
 *
 * ```ts
 * ɵɵstylePropInterpolateV(
 *  0, ['prefix', v0, '-', v1, '-', v2, '-', v3, '-', v4, '-', v5, '-', v6, '-', v7, '-', v9,
 *  'suffix']);
 * ```
 *
 * @param styleIndex Index of style to update. This index value refers to the
 *        index of the style in the style bindings array that was passed into
 *        `styling`..
 * @param values The collection of values and the strings in-between those values, beginning with
 * a string prefix and ending with a string suffix.
 * (e.g. `['prefix', value0, '-', value1, '-', value2, ..., value99, 'suffix']`)
 * @param valueSuffix Optional suffix. Used with scalar values to add unit such as `px`.
 * @returns itself, so that it may be chained.
 * @codeGenApi
 */
function ɵɵstylePropInterpolateV(prop, values, valueSuffix) {
    const lView = getLView();
    const interpolatedValue = interpolationV(lView, values);
    checkStylingProperty(prop, interpolatedValue, valueSuffix, false);
    return ɵɵstylePropInterpolateV;
}

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
/**
 * Update a property on a host element. Only applies to native node properties, not inputs.
 *
 * Operates on the element selected by index via the {@link select} instruction.
 *
 * @param propName Name of property. Because it is going to DOM, this is not subject to
 *        renaming as part of minification.
 * @param value New value to write.
 * @param sanitizer An optional function used to sanitize the value.
 * @returns This function returns itself so that it may be chained
 * (e.g. `property('name', ctx.name)('title', ctx.title)`)
 *
 * @codeGenApi
 */
function ɵɵhostProperty(propName, value, sanitizer) {
    const lView = getLView();
    const bindingIndex = nextBindingIndex();
    if (bindingUpdated(lView, bindingIndex, value)) {
        const tView = getTView();
        const tNode = getSelectedTNode();
        elementPropertyInternal(tView, tNode, lView, propName, value, lView[RENDERER], sanitizer, true);
        ngDevMode && storePropertyBindingMetadata(tView.data, tNode, propName, bindingIndex);
    }
    return ɵɵhostProperty;
}
/**
 * Updates a synthetic host binding (e.g. `[@foo]`) on a component or directive.
 *
 * This instruction is for compatibility purposes and is designed to ensure that a
 * synthetic host binding (e.g. `@HostBinding('@foo')`) properly gets rendered in
 * the component's renderer. Normally all host bindings are evaluated with the parent
 * component's renderer, but, in the case of animation @triggers, they need to be
 * evaluated with the sub component's renderer (because that's where the animation
 * triggers are defined).
 *
 * Do not use this instruction as a replacement for `elementProperty`. This instruction
 * only exists to ensure compatibility with the ViewEngine's host binding behavior.
 *
 * @param index The index of the element to update in the data array
 * @param propName Name of property. Because it is going to DOM, this is not subject to
 *        renaming as part of minification.
 * @param value New value to write.
 * @param sanitizer An optional function used to sanitize the value.
 *
 * @codeGenApi
 */
function ɵɵsyntheticHostProperty(propName, value, sanitizer) {
    const lView = getLView();
    const bindingIndex = nextBindingIndex();
    if (bindingUpdated(lView, bindingIndex, value)) {
        const tView = getTView();
        const tNode = getSelectedTNode();
        const currentDef = getCurrentDirectiveDef(tView.data);
        const renderer = loadComponentRenderer(currentDef, tNode, lView);
        elementPropertyInternal(tView, tNode, lView, propName, value, renderer, sanitizer, true);
        ngDevMode && storePropertyBindingMetadata(tView.data, tNode, propName, bindingIndex);
    }
    return ɵɵsyntheticHostProperty;
}

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
/**
 * NOTE: changes to the `ngI18nClosureMode` name must be synced with `compiler-cli/src/tooling.ts`.
 */
if (typeof ngI18nClosureMode === 'undefined') {
    // These property accesses can be ignored because ngI18nClosureMode will be set to false
    // when optimizing code and the whole if statement will be dropped.
    // Make sure to refer to ngI18nClosureMode as ['ngI18nClosureMode'] for closure.
    // NOTE: we need to have it in IIFE so that the tree-shaker is happy.
    (function () {
        // tslint:disable-next-line:no-toplevel-property-access
        _global['ngI18nClosureMode'] =
            // TODO(FW-1250): validate that this actually, you know, works.
            // tslint:disable-next-line:no-toplevel-property-access
            typeof goog !== 'undefined' && typeof goog.getMsg === 'function';
    })();
}

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
// THIS CODE IS GENERATED - DO NOT MODIFY
// See angular/tools/gulp-tasks/cldr/extract.js
const u = undefined;
function plural(n) {
    let i = Math.floor(Math.abs(n)), v = n.toString().replace(/^[^.]*\.?/, '').length;
    if (i === 1 && v === 0)
        return 1;
    return 5;
}
var localeEn = [
    'en',
    [['a', 'p'], ['AM', 'PM'], u],
    [['AM', 'PM'], u, u],
    [
        ['S', 'M', 'T', 'W', 'T', 'F', 'S'], ['Sun', 'Mon', 'Tue', 'Wed', 'Thu', 'Fri', 'Sat'],
        ['Sunday', 'Monday', 'Tuesday', 'Wednesday', 'Thursday', 'Friday', 'Saturday'],
        ['Su', 'Mo', 'Tu', 'We', 'Th', 'Fr', 'Sa']
    ],
    u,
    [
        ['J', 'F', 'M', 'A', 'M', 'J', 'J', 'A', 'S', 'O', 'N', 'D'],
        ['Jan', 'Feb', 'Mar', 'Apr', 'May', 'Jun', 'Jul', 'Aug', 'Sep', 'Oct', 'Nov', 'Dec'],
        [
            'January', 'February', 'March', 'April', 'May', 'June', 'July', 'August', 'September',
            'October', 'November', 'December'
        ]
    ],
    u,
    [['B', 'A'], ['BC', 'AD'], ['Before Christ', 'Anno Domini']],
    0,
    [6, 0],
    ['M/d/yy', 'MMM d, y', 'MMMM d, y', 'EEEE, MMMM d, y'],
    ['h:mm a', 'h:mm:ss a', 'h:mm:ss a z', 'h:mm:ss a zzzz'],
    ['{1}, {0}', u, '{1} \'at\' {0}', u],
    ['.', ',', ';', '%', '+', '-', 'E', '×', '‰', '∞', 'NaN', ':'],
    ['#,##0.###', '#,##0%', '¤#,##0.00', '#E0'],
    'USD',
    '$',
    'US Dollar',
    {},
    'ltr',
    plural
];

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
/**
 * This const is used to store the locale data registered with `registerLocaleData`
 */
let LOCALE_DATA = {};
/**
 * Register locale data to be used internally by Angular. See the
 * ["I18n guide"](guide/i18n#i18n-pipes) to know how to import additional locale data.
 *
 * The signature `registerLocaleData(data: any, extraData?: any)` is deprecated since v5.1
 */
function registerLocaleData(data, localeId, extraData) {
    if (typeof localeId !== 'string') {
        extraData = localeId;
        localeId = data[LocaleDataIndex.LocaleId];
    }
    localeId = localeId.toLowerCase().replace(/_/g, '-');
    LOCALE_DATA[localeId] = data;
    if (extraData) {
        LOCALE_DATA[localeId][LocaleDataIndex.ExtraData] = extraData;
    }
}
/**
 * Finds the locale data for a given locale.
 *
 * @param locale The locale code.
 * @returns The locale data.
 * @see [Internationalization (i18n) Guide](https://angular.io/guide/i18n)
 */
function findLocaleData(locale) {
    const normalizedLocale = normalizeLocale(locale);
    let match = getLocaleData(normalizedLocale);
    if (match) {
        return match;
    }
    // let's try to find a parent locale
    const parentLocale = normalizedLocale.split('-')[0];
    match = getLocaleData(parentLocale);
    if (match) {
        return match;
    }
    if (parentLocale === 'en') {
        return localeEn;
    }
    throw new Error(`Missing locale data for the locale "${locale}".`);
}
/**
 * Retrieves the default currency code for the given locale.
 *
 * The default is defined as the first currency which is still in use.
 *
 * @param locale The code of the locale whose currency code we want.
 * @returns The code of the default currency for the given locale.
 *
 */
function getLocaleCurrencyCode(locale) {
    const data = findLocaleData(locale);
    return data[LocaleDataIndex.CurrencyCode] || null;
}
/**
 * Retrieves the plural function used by ICU expressions to determine the plural case to use
 * for a given locale.
 * @param locale A locale code for the locale format rules to use.
 * @returns The plural function for the locale.
 * @see `NgPlural`
 * @see [Internationalization (i18n) Guide](https://angular.io/guide/i18n)
 */
function getLocalePluralCase(locale) {
    const data = findLocaleData(locale);
    return data[LocaleDataIndex.PluralCase];
}
/**
 * Helper function to get the given `normalizedLocale` from `LOCALE_DATA`
 * or from the global `ng.common.locale`.
 */
function getLocaleData(normalizedLocale) {
    if (!(normalizedLocale in LOCALE_DATA)) {
        LOCALE_DATA[normalizedLocale] = _global.ng && _global.ng.common && _global.ng.common.locales &&
            _global.ng.common.locales[normalizedLocale];
    }
    return LOCALE_DATA[normalizedLocale];
}
/**
 * Helper function to remove all the locale data from `LOCALE_DATA`.
 */
function unregisterAllLocaleData() {
    LOCALE_DATA = {};
}
/**
 * Index of each type of locale data from the locale data array
 */
var LocaleDataIndex;
(function (LocaleDataIndex) {
    LocaleDataIndex[LocaleDataIndex["LocaleId"] = 0] = "LocaleId";
    LocaleDataIndex[LocaleDataIndex["DayPeriodsFormat"] = 1] = "DayPeriodsFormat";
    LocaleDataIndex[LocaleDataIndex["DayPeriodsStandalone"] = 2] = "DayPeriodsStandalone";
    LocaleDataIndex[LocaleDataIndex["DaysFormat"] = 3] = "DaysFormat";
    LocaleDataIndex[LocaleDataIndex["DaysStandalone"] = 4] = "DaysStandalone";
    LocaleDataIndex[LocaleDataIndex["MonthsFormat"] = 5] = "MonthsFormat";
    LocaleDataIndex[LocaleDataIndex["MonthsStandalone"] = 6] = "MonthsStandalone";
    LocaleDataIndex[LocaleDataIndex["Eras"] = 7] = "Eras";
    LocaleDataIndex[LocaleDataIndex["FirstDayOfWeek"] = 8] = "FirstDayOfWeek";
    LocaleDataIndex[LocaleDataIndex["WeekendRange"] = 9] = "WeekendRange";
    LocaleDataIndex[LocaleDataIndex["DateFormat"] = 10] = "DateFormat";
    LocaleDataIndex[LocaleDataIndex["TimeFormat"] = 11] = "TimeFormat";
    LocaleDataIndex[LocaleDataIndex["DateTimeFormat"] = 12] = "DateTimeFormat";
    LocaleDataIndex[LocaleDataIndex["NumberSymbols"] = 13] = "NumberSymbols";
    LocaleDataIndex[LocaleDataIndex["NumberFormats"] = 14] = "NumberFormats";
    LocaleDataIndex[LocaleDataIndex["CurrencyCode"] = 15] = "CurrencyCode";
    LocaleDataIndex[LocaleDataIndex["CurrencySymbol"] = 16] = "CurrencySymbol";
    LocaleDataIndex[LocaleDataIndex["CurrencyName"] = 17] = "CurrencyName";
    LocaleDataIndex[LocaleDataIndex["Currencies"] = 18] = "Currencies";
    LocaleDataIndex[LocaleDataIndex["Directionality"] = 19] = "Directionality";
    LocaleDataIndex[LocaleDataIndex["PluralCase"] = 20] = "PluralCase";
    LocaleDataIndex[LocaleDataIndex["ExtraData"] = 21] = "ExtraData";
})(LocaleDataIndex || (LocaleDataIndex = {}));
/**
 * Returns the canonical form of a locale name - lowercase with `_` replaced with `-`.
 */
function normalizeLocale(locale) {
    return locale.toLowerCase().replace(/_/g, '-');
}

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
const pluralMapping = ['zero', 'one', 'two', 'few', 'many'];
/**
 * Returns the plural case based on the locale
 */
function getPluralCase(value, locale) {
    const plural = getLocalePluralCase(locale)(parseInt(value, 10));
    const result = pluralMapping[plural];
    return (result !== undefined) ? result : 'other';
}
/**
 * The locale id that the application is using by default (for translations and ICU expressions).
 */
const DEFAULT_LOCALE_ID = 'en-US';
/**
 * USD currency code that the application uses by default for CurrencyPipe when no
 * DEFAULT_CURRENCY_CODE is provided.
 */
const USD_CURRENCY_CODE = 'USD';

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
/**
 * Marks that the next string is an element name.
 *
 * See `I18nMutateOpCodes` documentation.
 */
const ELEMENT_MARKER = {
    marker: 'element'
};
/**
 * Marks that the next string is comment text need for ICU.
 *
 * See `I18nMutateOpCodes` documentation.
 */
const ICU_MARKER = {
    marker: 'ICU'
};
/**
 * See `I18nCreateOpCodes`
 */
var I18nCreateOpCode;
(function (I18nCreateOpCode) {
    /**
     * Number of bits to shift index so that it can be combined with the `APPEND_EAGERLY` and
     * `COMMENT`.
     */
    I18nCreateOpCode[I18nCreateOpCode["SHIFT"] = 2] = "SHIFT";
    /**
     * Should the node be appended to parent imedditatly after creation.
     */
    I18nCreateOpCode[I18nCreateOpCode["APPEND_EAGERLY"] = 1] = "APPEND_EAGERLY";
    /**
     * If set the node should be comment (rather than a text) node.
     */
    I18nCreateOpCode[I18nCreateOpCode["COMMENT"] = 2] = "COMMENT";
})(I18nCreateOpCode || (I18nCreateOpCode = {}));
// Note: This hack is necessary so we don't erroneously get a circular dependency
// failure based on types.
const unusedValueExportToPlacateAjd$6 = 1;

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
/**
 * The locale id that the application is currently using (for translations and ICU expressions).
 * This is the ivy version of `LOCALE_ID` that was defined as an injection token for the view engine
 * but is now defined as a global value.
 */
let LOCALE_ID = DEFAULT_LOCALE_ID;
/**
 * Sets the locale id that will be used for translations and ICU expressions.
 * This is the ivy version of `LOCALE_ID` that was defined as an injection token for the view engine
 * but is now defined as a global value.
 *
 * @param localeId
 */
function setLocaleId(localeId) {
    assertDefined(localeId, `Expected localeId to be defined`);
    if (typeof localeId === 'string') {
        LOCALE_ID = localeId.toLowerCase().replace(/_/g, '-');
    }
}
/**
 * Gets the locale id that will be used for translations and ICU expressions.
 * This is the ivy version of `LOCALE_ID` that was defined as an injection token for the view engine
 * but is now defined as a global value.
 */
function getLocaleId() {
    return LOCALE_ID;
}

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
/**
 * Find a node in front of which `currentTNode` should be inserted (takes i18n into account).
 *
 * This method determines the `RNode` in front of which we should insert the `currentRNode`. This
 * takes `TNode.insertBeforeIndex` into account.
 *
 * @param parentTNode parent `TNode`
 * @param currentTNode current `TNode` (The node which we would like to insert into the DOM)
 * @param lView current `LView`
 */
function getInsertInFrontOfRNodeWithI18n(parentTNode, currentTNode, lView) {
    const tNodeInsertBeforeIndex = currentTNode.insertBeforeIndex;
    const insertBeforeIndex = Array.isArray(tNodeInsertBeforeIndex) ? tNodeInsertBeforeIndex[0] : tNodeInsertBeforeIndex;
    if (insertBeforeIndex === null) {
        return getInsertInFrontOfRNodeWithNoI18n(parentTNode, currentTNode, lView);
    }
    else {
        ngDevMode && assertIndexInRange(lView, insertBeforeIndex);
        return unwrapRNode(lView[insertBeforeIndex]);
    }
}
/**
 * Process `TNode.insertBeforeIndex` by adding i18n text nodes.
 *
 * See `TNode.insertBeforeIndex`
 */
function processI18nInsertBefore(renderer, childTNode, lView, childRNode, parentRElement) {
    const tNodeInsertBeforeIndex = childTNode.insertBeforeIndex;
    if (Array.isArray(tNodeInsertBeforeIndex)) {
        // An array indicates that there are i18n nodes that need to be added as children of this
        // `childRNode`. These i18n nodes were created before this `childRNode` was available and so
        // only now can be added. The first element of the array is the normal index where we should
        // insert the `childRNode`. Additional elements are the extra nodes to be added as children of
        // `childRNode`.
        ngDevMode && assertDomNode(childRNode);
        let i18nParent = childRNode;
        let anchorRNode = null;
        if (!(childTNode.type & 3 /* AnyRNode */)) {
            anchorRNode = i18nParent;
            i18nParent = parentRElement;
        }
        if (i18nParent !== null && (childTNode.flags & 2 /* isComponentHost */) === 0) {
            for (let i = 1; i < tNodeInsertBeforeIndex.length; i++) {
                // No need to `unwrapRNode` because all of the indexes point to i18n text nodes.
                // see `assertDomNode` below.
                const i18nChild = lView[tNodeInsertBeforeIndex[i]];
                nativeInsertBefore(renderer, i18nParent, i18nChild, anchorRNode, false);
            }
        }
    }
}

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
/**
 * Add `tNode` to `previousTNodes` list and update relevant `TNode`s in `previousTNodes` list
 * `tNode.insertBeforeIndex`.
 *
 * Things to keep in mind:
 * 1. All i18n text nodes are encoded as `TNodeType.Element` and are created eagerly by the
 *    `ɵɵi18nStart` instruction.
 * 2. All `TNodeType.Placeholder` `TNodes` are elements which will be created later by
 *    `ɵɵelementStart` instruction.
 * 3. `ɵɵelementStart` instruction will create `TNode`s in the ascending `TNode.index` order. (So a
 *    smaller index `TNode` is guaranteed to be created before a larger one)
 *
 * We use the above three invariants to determine `TNode.insertBeforeIndex`.
 *
 * In an ideal world `TNode.insertBeforeIndex` would always be `TNode.next.index`. However,
 * this will not work because `TNode.next.index` may be larger than `TNode.index` which means that
 * the next node is not yet created and therefore we can't insert in front of it.
 *
 * Rule1: `TNode.insertBeforeIndex = null` if `TNode.next === null` (Initial condition, as we don't
 *        know if there will be further `TNode`s inserted after.)
 * Rule2: If `previousTNode` is created after the `tNode` being inserted, then
 *        `previousTNode.insertBeforeNode = tNode.index` (So when a new `tNode` is added we check
 *        previous to see if we can update its `insertBeforeTNode`)
 *
 * See `TNode.insertBeforeIndex` for more context.
 *
 * @param previousTNodes A list of previous TNodes so that we can easily traverse `TNode`s in
 *     reverse order. (If `TNode` would have `previous` this would not be necessary.)
 * @param newTNode A TNode to add to the `previousTNodes` list.
 */
function addTNodeAndUpdateInsertBeforeIndex(previousTNodes, newTNode) {
    // Start with Rule1
    ngDevMode &&
        assertEqual(newTNode.insertBeforeIndex, null, 'We expect that insertBeforeIndex is not set');
    previousTNodes.push(newTNode);
    if (previousTNodes.length > 1) {
        for (let i = previousTNodes.length - 2; i >= 0; i--) {
            const existingTNode = previousTNodes[i];
            // Text nodes are created eagerly and so they don't need their `indexBeforeIndex` updated.
            // It is safe to ignore them.
            if (!isI18nText(existingTNode)) {
                if (isNewTNodeCreatedBefore(existingTNode, newTNode) &&
                    getInsertBeforeIndex(existingTNode) === null) {
                    // If it was created before us in time, (and it does not yet have `insertBeforeIndex`)
                    // then add the `insertBeforeIndex`.
                    setInsertBeforeIndex(existingTNode, newTNode.index);
                }
            }
        }
    }
}
function isI18nText(tNode) {
    return !(tNode.type & 64 /* Placeholder */);
}
function isNewTNodeCreatedBefore(existingTNode, newTNode) {
    return isI18nText(newTNode) || existingTNode.index > newTNode.index;
}
function getInsertBeforeIndex(tNode) {
    const index = tNode.insertBeforeIndex;
    return Array.isArray(index) ? index[0] : index;
}
function setInsertBeforeIndex(tNode, value) {
    const index = tNode.insertBeforeIndex;
    if (Array.isArray(index)) {
        // Array is stored if we have to insert child nodes. See `TNode.insertBeforeIndex`
        index[0] = value;
    }
    else {
        setI18nHandling(getInsertInFrontOfRNodeWithI18n, processI18nInsertBefore);
        tNode.insertBeforeIndex = value;
    }
}

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
/**
 * Retrieve `TIcu` at a given `index`.
 *
 * The `TIcu` can be stored either directly (if it is nested ICU) OR
 * it is stored inside tho `TIcuContainer` if it is top level ICU.
 *
 * The reason for this is that the top level ICU need a `TNode` so that they are part of the render
 * tree, but nested ICU's have no TNode, because we don't know ahead of time if the nested ICU is
 * expressed (parent ICU may have selected a case which does not contain it.)
 *
 * @param tView Current `TView`.
 * @param index Index where the value should be read from.
 */
function getTIcu(tView, index) {
    const value = tView.data[index];
    if (value === null || typeof value === 'string')
        return null;
    if (ngDevMode &&
        !(value.hasOwnProperty('tViews') || value.hasOwnProperty('currentCaseLViewIndex'))) {
        throwError('We expect to get \'null\'|\'TIcu\'|\'TIcuContainer\', but got: ' + value);
    }
    // Here the `value.hasOwnProperty('currentCaseLViewIndex')` is a polymorphic read as it can be
    // either TIcu or TIcuContainerNode. This is not ideal, but we still think it is OK because it
    // will be just two cases which fits into the browser inline cache (inline cache can take up to
    // 4)
    const tIcu = value.hasOwnProperty('currentCaseLViewIndex') ? value :
        value.value;
    ngDevMode && assertTIcu(tIcu);
    return tIcu;
}
/**
 * Store `TIcu` at a give `index`.
 *
 * The `TIcu` can be stored either directly (if it is nested ICU) OR
 * it is stored inside tho `TIcuContainer` if it is top level ICU.
 *
 * The reason for this is that the top level ICU need a `TNode` so that they are part of the render
 * tree, but nested ICU's have no TNode, because we don't know ahead of time if the nested ICU is
 * expressed (parent ICU may have selected a case which does not contain it.)
 *
 * @param tView Current `TView`.
 * @param index Index where the value should be stored at in `Tview.data`
 * @param tIcu The TIcu to store.
 */
function setTIcu(tView, index, tIcu) {
    const tNode = tView.data[index];
    ngDevMode &&
        assertEqual(tNode === null || tNode.hasOwnProperty('tViews'), true, 'We expect to get \'null\'|\'TIcuContainer\'');
    if (tNode === null) {
        tView.data[index] = tIcu;
    }
    else {
        ngDevMode && assertTNodeType(tNode, 32 /* Icu */);
        tNode.value = tIcu;
    }
}
/**
 * Set `TNode.insertBeforeIndex` taking the `Array` into account.
 *
 * See `TNode.insertBeforeIndex`
 */
function setTNodeInsertBeforeIndex(tNode, index) {
    ngDevMode && assertTNode(tNode);
    let insertBeforeIndex = tNode.insertBeforeIndex;
    if (insertBeforeIndex === null) {
        setI18nHandling(getInsertInFrontOfRNodeWithI18n, processI18nInsertBefore);
        insertBeforeIndex = tNode.insertBeforeIndex =
            [null /* may be updated to number later */, index];
    }
    else {
        assertEqual(Array.isArray(insertBeforeIndex), true, 'Expecting array here');
        insertBeforeIndex.push(index);
    }
}
/**
 * Create `TNode.type=TNodeType.Placeholder` node.
 *
 * See `TNodeType.Placeholder` for more information.
 */
function createTNodePlaceholder(tView, previousTNodes, index) {
    const tNode = createTNodeAtIndex(tView, index, 64 /* Placeholder */, null, null);
    addTNodeAndUpdateInsertBeforeIndex(previousTNodes, tNode);
    return tNode;
}
/**
 * Returns current ICU case.
 *
 * ICU cases are stored as index into the `TIcu.cases`.
 * At times it is necessary to communicate that the ICU case just switched and that next ICU update
 * should update all bindings regardless of the mask. In such a case the we store negative numbers
 * for cases which have just been switched. This function removes the negative flag.
 */
function getCurrentICUCaseIndex(tIcu, lView) {
    const currentCase = lView[tIcu.currentCaseLViewIndex];
    return currentCase === null ? currentCase : (currentCase < 0 ? ~currentCase : currentCase);
}
function getParentFromIcuCreateOpCode(mergedCode) {
    return mergedCode >>> 17 /* SHIFT_PARENT */;
}
function getRefFromIcuCreateOpCode(mergedCode) {
    return (mergedCode & 131070 /* MASK_REF */) >>> 1 /* SHIFT_REF */;
}
function getInstructionFromIcuCreateOpCode(mergedCode) {
    return mergedCode & 1 /* MASK_INSTRUCTION */;
}
function icuCreateOpCode(opCode, parentIdx, refIdx) {
    ngDevMode && assertGreaterThanOrEqual(parentIdx, 0, 'Missing parent index');
    ngDevMode && assertGreaterThan(refIdx, 0, 'Missing ref index');
    return opCode | parentIdx << 17 /* SHIFT_PARENT */ | refIdx << 1 /* SHIFT_REF */;
}

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
/**
 * Keep track of which input bindings in `ɵɵi18nExp` have changed.
 *
 * This is used to efficiently update expressions in i18n only when the corresponding input has
 * changed.
 *
 * 1) Each bit represents which of the `ɵɵi18nExp` has changed.
 * 2) There are 32 bits allowed in JS.
 * 3) Bit 32 is special as it is shared for all changes past 32. (In other words if you have more
 * than 32 `ɵɵi18nExp` then all changes past 32nd `ɵɵi18nExp` will be mapped to same bit. This means
 * that we may end up changing more than we need to. But i18n expressions with 32 bindings is rare
 * so in practice it should not be an issue.)
 */
let changeMask = 0b0;
/**
 * Keeps track of which bit needs to be updated in `changeMask`
 *
 * This value gets incremented on every call to `ɵɵi18nExp`
 */
let changeMaskCounter = 0;
/**
 * Keep track of which input bindings in `ɵɵi18nExp` have changed.
 *
 * `setMaskBit` gets invoked by each call to `ɵɵi18nExp`.
 *
 * @param hasChange did `ɵɵi18nExp` detect a change.
 */
function setMaskBit(hasChange) {
    if (hasChange) {
        changeMask = changeMask | (1 << Math.min(changeMaskCounter, 31));
    }
    changeMaskCounter++;
}
function applyI18n(tView, lView, index) {
    if (changeMaskCounter > 0) {
        ngDevMode && assertDefined(tView, `tView should be defined`);
        const tI18n = tView.data[index];
        // When `index` points to an `ɵɵi18nAttributes` then we have an array otherwise `TI18n`
        const updateOpCodes = Array.isArray(tI18n) ? tI18n : tI18n.update;
        const bindingsStartIndex = getBindingIndex() - changeMaskCounter - 1;
        applyUpdateOpCodes(tView, lView, updateOpCodes, bindingsStartIndex, changeMask);
    }
    // Reset changeMask & maskBit to default for the next update cycle
    changeMask = 0b0;
    changeMaskCounter = 0;
}
/**
 * Apply `I18nCreateOpCodes` op-codes as stored in `TI18n.create`.
 *
 * Creates text (and comment) nodes which are internationalized.
 *
 * @param lView Current lView
 * @param createOpCodes Set of op-codes to apply
 * @param parentRNode Parent node (so that direct children can be added eagerly) or `null` if it is
 *     a root node.
 * @param insertInFrontOf DOM node that should be used as an anchor.
 */
function applyCreateOpCodes(lView, createOpCodes, parentRNode, insertInFrontOf) {
    const renderer = lView[RENDERER];
    for (let i = 0; i < createOpCodes.length; i++) {
        const opCode = createOpCodes[i++];
        const text = createOpCodes[i];
        const isComment = (opCode & I18nCreateOpCode.COMMENT) === I18nCreateOpCode.COMMENT;
        const appendNow = (opCode & I18nCreateOpCode.APPEND_EAGERLY) === I18nCreateOpCode.APPEND_EAGERLY;
        const index = opCode >>> I18nCreateOpCode.SHIFT;
        let rNode = lView[index];
        if (rNode === null) {
            // We only create new DOM nodes if they don't already exist: If ICU switches case back to a
            // case which was already instantiated, no need to create new DOM nodes.
            rNode = lView[index] =
                isComment ? renderer.createComment(text) : createTextNode(renderer, text);
        }
        if (appendNow && parentRNode !== null) {
            nativeInsertBefore(renderer, parentRNode, rNode, insertInFrontOf, false);
        }
    }
}
/**
 * Apply `I18nMutateOpCodes` OpCodes.
 *
 * @param tView Current `TView`
 * @param mutableOpCodes Mutable OpCodes to process
 * @param lView Current `LView`
 * @param anchorRNode place where the i18n node should be inserted.
 */
function applyMutableOpCodes(tView, mutableOpCodes, lView, anchorRNode) {
    ngDevMode && assertDomNode(anchorRNode);
    const renderer = lView[RENDERER];
    // `rootIdx` represents the node into which all inserts happen.
    let rootIdx = null;
    // `rootRNode` represents the real node into which we insert. This can be different from
    // `lView[rootIdx]` if we have projection.
    //  - null we don't have a parent (as can be the case in when we are inserting into a root of
    //    LView which has no parent.)
    //  - `RElement` The element representing the root after taking projection into account.
    let rootRNode;
    for (let i = 0; i < mutableOpCodes.length; i++) {
        const opCode = mutableOpCodes[i];
        if (typeof opCode == 'string') {
            const textNodeIndex = mutableOpCodes[++i];
            if (lView[textNodeIndex] === null) {
                ngDevMode && ngDevMode.rendererCreateTextNode++;
                ngDevMode && assertIndexInRange(lView, textNodeIndex);
                lView[textNodeIndex] = createTextNode(renderer, opCode);
            }
        }
        else if (typeof opCode == 'number') {
            switch (opCode & 1 /* MASK_INSTRUCTION */) {
                case 0 /* AppendChild */:
                    const parentIdx = getParentFromIcuCreateOpCode(opCode);
                    if (rootIdx === null) {
                        // The first operation should save the `rootIdx` because the first operation
                        // must insert into the root. (Only subsequent operations can insert into a dynamic
                        // parent)
                        rootIdx = parentIdx;
                        rootRNode = nativeParentNode(renderer, anchorRNode);
                    }
                    let insertInFrontOf;
                    let parentRNode;
                    if (parentIdx === rootIdx) {
                        insertInFrontOf = anchorRNode;
                        parentRNode = rootRNode;
                    }
                    else {
                        insertInFrontOf = null;
                        parentRNode = unwrapRNode(lView[parentIdx]);
                    }
                    // FIXME(misko): Refactor with `processI18nText`
                    if (parentRNode !== null) {
                        // This can happen if the `LView` we are adding to is not attached to a parent `LView`.
                        // In such a case there is no "root" we can attach to. This is fine, as we still need to
                        // create the elements. When the `LView` gets later added to a parent these "root" nodes
                        // get picked up and added.
                        ngDevMode && assertDomNode(parentRNode);
                        const refIdx = getRefFromIcuCreateOpCode(opCode);
                        ngDevMode && assertGreaterThan(refIdx, HEADER_OFFSET, 'Missing ref');
                        // `unwrapRNode` is not needed here as all of these point to RNodes as part of the i18n
                        // which can't have components.
                        const child = lView[refIdx];
                        ngDevMode && assertDomNode(child);
                        nativeInsertBefore(renderer, parentRNode, child, insertInFrontOf, false);
                        const tIcu = getTIcu(tView, refIdx);
                        if (tIcu !== null && typeof tIcu === 'object') {
                            // If we just added a comment node which has ICU then that ICU may have already been
                            // rendered and therefore we need to re-add it here.
                            ngDevMode && assertTIcu(tIcu);
                            const caseIndex = getCurrentICUCaseIndex(tIcu, lView);
                            if (caseIndex !== null) {
                                applyMutableOpCodes(tView, tIcu.create[caseIndex], lView, lView[tIcu.anchorIdx]);
                            }
                        }
                    }
                    break;
                case 1 /* Attr */:
                    const elementNodeIndex = opCode >>> 1 /* SHIFT_REF */;
                    const attrName = mutableOpCodes[++i];
                    const attrValue = mutableOpCodes[++i];
                    // This code is used for ICU expressions only, since we don't support
                    // directives/components in ICUs, we don't need to worry about inputs here
                    setElementAttribute(renderer, getNativeByIndex(elementNodeIndex, lView), null, null, attrName, attrValue, null);
                    break;
                default:
                    throw new Error(`Unable to determine the type of mutate operation for "${opCode}"`);
            }
        }
        else {
            switch (opCode) {
                case ICU_MARKER:
                    const commentValue = mutableOpCodes[++i];
                    const commentNodeIndex = mutableOpCodes[++i];
                    if (lView[commentNodeIndex] === null) {
                        ngDevMode &&
                            assertEqual(typeof commentValue, 'string', `Expected "${commentValue}" to be a comment node value`);
                        ngDevMode && ngDevMode.rendererCreateComment++;
                        ngDevMode && assertIndexInExpandoRange(lView, commentNodeIndex);
                        const commentRNode = lView[commentNodeIndex] =
                            createCommentNode(renderer, commentValue);
                        // FIXME(misko): Attaching patch data is only needed for the root (Also add tests)
                        attachPatchData(commentRNode, lView);
                    }
                    break;
                case ELEMENT_MARKER:
                    const tagName = mutableOpCodes[++i];
                    const elementNodeIndex = mutableOpCodes[++i];
                    if (lView[elementNodeIndex] === null) {
                        ngDevMode &&
                            assertEqual(typeof tagName, 'string', `Expected "${tagName}" to be an element node tag name`);
                        ngDevMode && ngDevMode.rendererCreateElement++;
                        ngDevMode && assertIndexInExpandoRange(lView, elementNodeIndex);
                        const elementRNode = lView[elementNodeIndex] =
                            createElementNode(renderer, tagName, null);
                        // FIXME(misko): Attaching patch data is only needed for the root (Also add tests)
                        attachPatchData(elementRNode, lView);
                    }
                    break;
                default:
                    ngDevMode &&
                        throwError(`Unable to determine the type of mutate operation for "${opCode}"`);
            }
        }
    }
}
/**
 * Apply `I18nUpdateOpCodes` OpCodes
 *
 * @param tView Current `TView`
 * @param lView Current `LView`
 * @param updateOpCodes OpCodes to process
 * @param bindingsStartIndex Location of the first `ɵɵi18nApply`
 * @param changeMask Each bit corresponds to a `ɵɵi18nExp` (Counting backwards from
 *     `bindingsStartIndex`)
 */
function applyUpdateOpCodes(tView, lView, updateOpCodes, bindingsStartIndex, changeMask) {
    for (let i = 0; i < updateOpCodes.length; i++) {
        // bit code to check if we should apply the next update
        const checkBit = updateOpCodes[i];
        // Number of opCodes to skip until next set of update codes
        const skipCodes = updateOpCodes[++i];
        if (checkBit & changeMask) {
            // The value has been updated since last checked
            let value = '';
            for (let j = i + 1; j <= (i + skipCodes); j++) {
                const opCode = updateOpCodes[j];
                if (typeof opCode == 'string') {
                    value += opCode;
                }
                else if (typeof opCode == 'number') {
                    if (opCode < 0) {
                        // Negative opCode represent `i18nExp` values offset.
                        value += renderStringify(lView[bindingsStartIndex - opCode]);
                    }
                    else {
                        const nodeIndex = (opCode >>> 2 /* SHIFT_REF */);
                        switch (opCode & 3 /* MASK_OPCODE */) {
                            case 1 /* Attr */:
                                const propName = updateOpCodes[++j];
                                const sanitizeFn = updateOpCodes[++j];
                                const tNodeOrTagName = tView.data[nodeIndex];
                                ngDevMode && assertDefined(tNodeOrTagName, 'Experting TNode or string');
                                if (typeof tNodeOrTagName === 'string') {
                                    // IF we don't have a `TNode`, then we are an element in ICU (as ICU content does
                                    // not have TNode), in which case we know that there are no directives, and hence
                                    // we use attribute setting.
                                    setElementAttribute(lView[RENDERER], lView[nodeIndex], null, tNodeOrTagName, propName, value, sanitizeFn);
                                }
                                else {
                                    elementPropertyInternal(tView, tNodeOrTagName, lView, propName, value, lView[RENDERER], sanitizeFn, false);
                                }
                                break;
                            case 0 /* Text */:
                                const rText = lView[nodeIndex];
                                rText !== null && updateTextNode(lView[RENDERER], rText, value);
                                break;
                            case 2 /* IcuSwitch */:
                                applyIcuSwitchCase(tView, getTIcu(tView, nodeIndex), lView, value);
                                break;
                            case 3 /* IcuUpdate */:
                                applyIcuUpdateCase(tView, getTIcu(tView, nodeIndex), bindingsStartIndex, lView);
                                break;
                        }
                    }
                }
            }
        }
        else {
            const opCode = updateOpCodes[i + 1];
            if (opCode > 0 && (opCode & 3 /* MASK_OPCODE */) === 3 /* IcuUpdate */) {
                // Special case for the `icuUpdateCase`. It could be that the mask did not match, but
                // we still need to execute `icuUpdateCase` because the case has changed recently due to
                // previous `icuSwitchCase` instruction. (`icuSwitchCase` and `icuUpdateCase` always come in
                // pairs.)
                const nodeIndex = (opCode >>> 2 /* SHIFT_REF */);
                const tIcu = getTIcu(tView, nodeIndex);
                const currentIndex = lView[tIcu.currentCaseLViewIndex];
                if (currentIndex < 0) {
                    applyIcuUpdateCase(tView, tIcu, bindingsStartIndex, lView);
                }
            }
        }
        i += skipCodes;
    }
}
/**
 * Apply OpCodes associated with updating an existing ICU.
 *
 * @param tView Current `TView`
 * @param tIcu Current `TIcu`
 * @param bindingsStartIndex Location of the first `ɵɵi18nApply`
 * @param lView Current `LView`
 */
function applyIcuUpdateCase(tView, tIcu, bindingsStartIndex, lView) {
    ngDevMode && assertIndexInRange(lView, tIcu.currentCaseLViewIndex);
    let activeCaseIndex = lView[tIcu.currentCaseLViewIndex];
    if (activeCaseIndex !== null) {
        let mask = changeMask;
        if (activeCaseIndex < 0) {
            // Clear the flag.
            // Negative number means that the ICU was freshly created and we need to force the update.
            activeCaseIndex = lView[tIcu.currentCaseLViewIndex] = ~activeCaseIndex;
            // -1 is same as all bits on, which simulates creation since it marks all bits dirty
            mask = -1;
        }
        applyUpdateOpCodes(tView, lView, tIcu.update[activeCaseIndex], bindingsStartIndex, mask);
    }
}
/**
 * Apply OpCodes associated with switching a case on ICU.
 *
 * This involves tearing down existing case and than building up a new case.
 *
 * @param tView Current `TView`
 * @param tIcu Current `TIcu`
 * @param lView Current `LView`
 * @param value Value of the case to update to.
 */
function applyIcuSwitchCase(tView, tIcu, lView, value) {
    // Rebuild a new case for this ICU
    const caseIndex = getCaseIndex(tIcu, value);
    let activeCaseIndex = getCurrentICUCaseIndex(tIcu, lView);
    if (activeCaseIndex !== caseIndex) {
        applyIcuSwitchCaseRemove(tView, tIcu, lView);
        lView[tIcu.currentCaseLViewIndex] = caseIndex === null ? null : ~caseIndex;
        if (caseIndex !== null) {
            // Add the nodes for the new case
            const anchorRNode = lView[tIcu.anchorIdx];
            if (anchorRNode) {
                ngDevMode && assertDomNode(anchorRNode);
                applyMutableOpCodes(tView, tIcu.create[caseIndex], lView, anchorRNode);
            }
        }
    }
}
/**
 * Apply OpCodes associated with tearing ICU case.
 *
 * This involves tearing down existing case and than building up a new case.
 *
 * @param tView Current `TView`
 * @param tIcu Current `TIcu`
 * @param lView Current `LView`
 */
function applyIcuSwitchCaseRemove(tView, tIcu, lView) {
    let activeCaseIndex = getCurrentICUCaseIndex(tIcu, lView);
    if (activeCaseIndex !== null) {
        const removeCodes = tIcu.remove[activeCaseIndex];
        for (let i = 0; i < removeCodes.length; i++) {
            const nodeOrIcuIndex = removeCodes[i];
            if (nodeOrIcuIndex > 0) {
                // Positive numbers are `RNode`s.
                const rNode = getNativeByIndex(nodeOrIcuIndex, lView);
                rNode !== null && nativeRemoveNode(lView[RENDERER], rNode);
            }
            else {
                // Negative numbers are ICUs
                applyIcuSwitchCaseRemove(tView, getTIcu(tView, ~nodeOrIcuIndex), lView);
            }
        }
    }
}
/**
 * Returns the index of the current case of an ICU expression depending on the main binding value
 *
 * @param icuExpression
 * @param bindingValue The value of the main binding used by this ICU expression
 */
function getCaseIndex(icuExpression, bindingValue) {
    let index = icuExpression.cases.indexOf(bindingValue);
    if (index === -1) {
        switch (icuExpression.type) {
            case 1 /* plural */: {
                const resolvedCase = getPluralCase(bindingValue, getLocaleId());
                index = icuExpression.cases.indexOf(resolvedCase);
                if (index === -1 && resolvedCase !== 'other') {
                    index = icuExpression.cases.indexOf('other');
                }
                break;
            }
            case 0 /* select */: {
                index = icuExpression.cases.indexOf('other');
                break;
            }
        }
    }
    return index === -1 ? null : index;
}

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
function loadIcuContainerVisitor() {
    const _stack = [];
    let _index = -1;
    let _lView;
    let _removes;
    /**
     * Retrieves a set of root nodes from `TIcu.remove`. Used by `TNodeType.ICUContainer`
     * to determine which root belong to the ICU.
     *
     * Example of usage.
     * ```
     * const nextRNode = icuContainerIteratorStart(tIcuContainerNode, lView);
     * let rNode: RNode|null;
     * while(rNode = nextRNode()) {
     *   console.log(rNode);
     * }
     * ```
     *
     * @param tIcuContainerNode Current `TIcuContainerNode`
     * @param lView `LView` where the `RNode`s should be looked up.
     */
    function icuContainerIteratorStart(tIcuContainerNode, lView) {
        _lView = lView;
        while (_stack.length)
            _stack.pop();
        ngDevMode && assertTNodeForLView(tIcuContainerNode, lView);
        enterIcu(tIcuContainerNode.value, lView);
        return icuContainerIteratorNext;
    }
    function enterIcu(tIcu, lView) {
        _index = 0;
        const currentCase = getCurrentICUCaseIndex(tIcu, lView);
        if (currentCase !== null) {
            ngDevMode && assertNumberInRange(currentCase, 0, tIcu.cases.length - 1);
            _removes = tIcu.remove[currentCase];
        }
        else {
            _removes = EMPTY_ARRAY;
        }
    }
    function icuContainerIteratorNext() {
        if (_index < _removes.length) {
            const removeOpCode = _removes[_index++];
            ngDevMode && assertNumber(removeOpCode, 'Expecting OpCode number');
            if (removeOpCode > 0) {
                const rNode = _lView[removeOpCode];
                ngDevMode && assertDomNode(rNode);
                return rNode;
            }
            else {
                _stack.push(_index, _removes);
                // ICUs are represented by negative indices
                const tIcuIndex = ~removeOpCode;
                const tIcu = _lView[TVIEW].data[tIcuIndex];
                ngDevMode && assertTIcu(tIcu);
                enterIcu(tIcu, _lView);
                return icuContainerIteratorNext();
            }
        }
        else {
            if (_stack.length === 0) {
                return null;
            }
            else {
                _removes = _stack.pop();
                _index = _stack.pop();
                return icuContainerIteratorNext();
            }
        }
    }
    return icuContainerIteratorStart;
}

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
/**
 * Converts `I18nCreateOpCodes` array into a human readable format.
 *
 * This function is attached to the `I18nCreateOpCodes.debug` property if `ngDevMode` is enabled.
 * This function provides a human readable view of the opcodes. This is useful when debugging the
 * application as well as writing more readable tests.
 *
 * @param this `I18nCreateOpCodes` if attached as a method.
 * @param opcodes `I18nCreateOpCodes` if invoked as a function.
 */
function i18nCreateOpCodesToString(opcodes) {
    const createOpCodes = opcodes || (Array.isArray(this) ? this : []);
    let lines = [];
    for (let i = 0; i < createOpCodes.length; i++) {
        const opCode = createOpCodes[i++];
        const text = createOpCodes[i];
        const isComment = (opCode & I18nCreateOpCode.COMMENT) === I18nCreateOpCode.COMMENT;
        const appendNow = (opCode & I18nCreateOpCode.APPEND_EAGERLY) === I18nCreateOpCode.APPEND_EAGERLY;
        const index = opCode >>> I18nCreateOpCode.SHIFT;
        lines.push(`lView[${index}] = document.${isComment ? 'createComment' : 'createText'}(${JSON.stringify(text)});`);
        if (appendNow) {
            lines.push(`parent.appendChild(lView[${index}]);`);
        }
    }
    return lines;
}
/**
 * Converts `I18nUpdateOpCodes` array into a human readable format.
 *
 * This function is attached to the `I18nUpdateOpCodes.debug` property if `ngDevMode` is enabled.
 * This function provides a human readable view of the opcodes. This is useful when debugging the
 * application as well as writing more readable tests.
 *
 * @param this `I18nUpdateOpCodes` if attached as a method.
 * @param opcodes `I18nUpdateOpCodes` if invoked as a function.
 */
function i18nUpdateOpCodesToString(opcodes) {
    const parser = new OpCodeParser(opcodes || (Array.isArray(this) ? this : []));
    let lines = [];
    function consumeOpCode(value) {
        const ref = value >>> 2 /* SHIFT_REF */;
        const opCode = value & 3 /* MASK_OPCODE */;
        switch (opCode) {
            case 0 /* Text */:
                return `(lView[${ref}] as Text).textContent = $$$`;
            case 1 /* Attr */:
                const attrName = parser.consumeString();
                const sanitizationFn = parser.consumeFunction();
                const value = sanitizationFn ? `(${sanitizationFn})($$$)` : '$$$';
                return `(lView[${ref}] as Element).setAttribute('${attrName}', ${value})`;
            case 2 /* IcuSwitch */:
                return `icuSwitchCase(${ref}, $$$)`;
            case 3 /* IcuUpdate */:
                return `icuUpdateCase(${ref})`;
        }
        throw new Error('unexpected OpCode');
    }
    while (parser.hasMore()) {
        let mask = parser.consumeNumber();
        let size = parser.consumeNumber();
        const end = parser.i + size;
        const statements = [];
        let statement = '';
        while (parser.i < end) {
            let value = parser.consumeNumberOrString();
            if (typeof value === 'string') {
                statement += value;
            }
            else if (value < 0) {
                // Negative numbers are ref indexes
                // Here `i` refers to current binding index. It is to signify that the value is relative,
                // rather than absolute.
                statement += '${lView[i' + value + ']}';
            }
            else {
                // Positive numbers are operations.
                const opCodeText = consumeOpCode(value);
                statements.push(opCodeText.replace('$$$', '`' + statement + '`') + ';');
                statement = '';
            }
        }
        lines.push(`if (mask & 0b${mask.toString(2)}) { ${statements.join(' ')} }`);
    }
    return lines;
}
/**
 * Converts `I18nCreateOpCodes` array into a human readable format.
 *
 * This function is attached to the `I18nCreateOpCodes.debug` if `ngDevMode` is enabled. This
 * function provides a human readable view of the opcodes. This is useful when debugging the
 * application as well as writing more readable tests.
 *
 * @param this `I18nCreateOpCodes` if attached as a method.
 * @param opcodes `I18nCreateOpCodes` if invoked as a function.
 */
function icuCreateOpCodesToString(opcodes) {
    const parser = new OpCodeParser(opcodes || (Array.isArray(this) ? this : []));
    let lines = [];
    function consumeOpCode(opCode) {
        const parent = getParentFromIcuCreateOpCode(opCode);
        const ref = getRefFromIcuCreateOpCode(opCode);
        switch (getInstructionFromIcuCreateOpCode(opCode)) {
            case 0 /* AppendChild */:
                return `(lView[${parent}] as Element).appendChild(lView[${lastRef}])`;
            case 1 /* Attr */:
                return `(lView[${ref}] as Element).setAttribute("${parser.consumeString()}", "${parser.consumeString()}")`;
        }
        throw new Error('Unexpected OpCode: ' + getInstructionFromIcuCreateOpCode(opCode));
    }
    let lastRef = -1;
    while (parser.hasMore()) {
        let value = parser.consumeNumberStringOrMarker();
        if (value === ICU_MARKER) {
            const text = parser.consumeString();
            lastRef = parser.consumeNumber();
            lines.push(`lView[${lastRef}] = document.createComment("${text}")`);
        }
        else if (value === ELEMENT_MARKER) {
            const text = parser.consumeString();
            lastRef = parser.consumeNumber();
            lines.push(`lView[${lastRef}] = document.createElement("${text}")`);
        }
        else if (typeof value === 'string') {
            lastRef = parser.consumeNumber();
            lines.push(`lView[${lastRef}] = document.createTextNode("${value}")`);
        }
        else if (typeof value === 'number') {
            const line = consumeOpCode(value);
            line && lines.push(line);
        }
        else {
            throw new Error('Unexpected value');
        }
    }
    return lines;
}
/**
 * Converts `I18nRemoveOpCodes` array into a human readable format.
 *
 * This function is attached to the `I18nRemoveOpCodes.debug` if `ngDevMode` is enabled. This
 * function provides a human readable view of the opcodes. This is useful when debugging the
 * application as well as writing more readable tests.
 *
 * @param this `I18nRemoveOpCodes` if attached as a method.
 * @param opcodes `I18nRemoveOpCodes` if invoked as a function.
 */
function i18nRemoveOpCodesToString(opcodes) {
    const removeCodes = opcodes || (Array.isArray(this) ? this : []);
    let lines = [];
    for (let i = 0; i < removeCodes.length; i++) {
        const nodeOrIcuIndex = removeCodes[i];
        if (nodeOrIcuIndex > 0) {
            // Positive numbers are `RNode`s.
            lines.push(`remove(lView[${nodeOrIcuIndex}])`);
        }
        else {
            // Negative numbers are ICUs
            lines.push(`removeNestedICU(${~nodeOrIcuIndex})`);
        }
    }
    return lines;
}
class OpCodeParser {
    constructor(codes) {
        this.i = 0;
        this.codes = codes;
    }
    hasMore() {
        return this.i < this.codes.length;
    }
    consumeNumber() {
        let value = this.codes[this.i++];
        assertNumber(value, 'expecting number in OpCode');
        return value;
    }
    consumeString() {
        let value = this.codes[this.i++];
        assertString(value, 'expecting string in OpCode');
        return value;
    }
    consumeFunction() {
        let value = this.codes[this.i++];
        if (value === null || typeof value === 'function') {
            return value;
        }
        throw new Error('expecting function in OpCode');
    }
    consumeNumberOrString() {
        let value = this.codes[this.i++];
        if (typeof value === 'string') {
            return value;
        }
        assertNumber(value, 'expecting number or string in OpCode');
        return value;
    }
    consumeNumberStringOrMarker() {
        let value = this.codes[this.i++];
        if (typeof value === 'string' || typeof value === 'number' || value == ICU_MARKER ||
            value == ELEMENT_MARKER) {
            return value;
        }
        assertNumber(value, 'expecting number, string, ICU_MARKER or ELEMENT_MARKER in OpCode');
        return value;
    }
}

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
const BINDING_REGEXP = /�(\d+):?\d*�/gi;
const ICU_REGEXP = /({\s*�\d+:?\d*�\s*,\s*\S{6}\s*,[\s\S]*})/gi;
const NESTED_ICU = /�(\d+)�/;
const ICU_BLOCK_REGEXP = /^\s*(�\d+:?\d*�)\s*,\s*(select|plural)\s*,/;
const MARKER = `�`;
const SUBTEMPLATE_REGEXP = /�\/?\*(\d+:\d+)�/gi;
const PH_REGEXP = /�(\/?[#*]\d+):?\d*�/gi;
/**
 * Angular Dart introduced &ngsp; as a placeholder for non-removable space, see:
 * https://github.com/dart-lang/angular/blob/0bb611387d29d65b5af7f9d2515ab571fd3fbee4/_tests/test/compiler/preserve_whitespace_test.dart#L25-L32
 * In Angular Dart &ngsp; is converted to the 0xE500 PUA (Private Use Areas) unicode character
 * and later on replaced by a space. We are re-implementing the same idea here, since translations
 * might contain this special character.
 */
const NGSP_UNICODE_REGEXP = /\uE500/g;
function replaceNgsp(value) {
    return value.replace(NGSP_UNICODE_REGEXP, ' ');
}
/**
 * Create dynamic nodes from i18n translation block.
 *
 * - Text nodes are created synchronously
 * - TNodes are linked into tree lazily
 *
 * @param tView Current `TView`
 * @parentTNodeIndex index to the parent TNode of this i18n block
 * @param lView Current `LView`
 * @param index Index of `ɵɵi18nStart` instruction.
 * @param message Message to translate.
 * @param subTemplateIndex Index into the sub template of message translation. (ie in case of
 *     `ngIf`) (-1 otherwise)
 */
function i18nStartFirstCreatePass(tView, parentTNodeIndex, lView, index, message, subTemplateIndex) {
    const rootTNode = getCurrentParentTNode();
    const createOpCodes = [];
    const updateOpCodes = [];
    const existingTNodeStack = [[]];
    if (ngDevMode) {
        attachDebugGetter(createOpCodes, i18nCreateOpCodesToString);
        attachDebugGetter(updateOpCodes, i18nUpdateOpCodesToString);
    }
    message = getTranslationForTemplate(message, subTemplateIndex);
    const msgParts = replaceNgsp(message).split(PH_REGEXP);
    for (let i = 0; i < msgParts.length; i++) {
        let value = msgParts[i];
        if ((i & 1) === 0) {
            // Even indexes are text (including bindings & ICU expressions)
            const parts = i18nParseTextIntoPartsAndICU(value);
            for (let j = 0; j < parts.length; j++) {
                let part = parts[j];
                if ((j & 1) === 0) {
                    // `j` is odd therefore `part` is string
                    const text = part;
                    ngDevMode && assertString(text, 'Parsed ICU part should be string');
                    if (text !== '') {
                        i18nStartFirstCreatePassProcessTextNode(tView, rootTNode, existingTNodeStack[0], createOpCodes, updateOpCodes, lView, text);
                    }
                }
                else {
                    // `j` is Even therefor `part` is an `ICUExpression`
                    const icuExpression = part;
                    // Verify that ICU expression has the right shape. Translations might contain invalid
                    // constructions (while original messages were correct), so ICU parsing at runtime may
                    // not succeed (thus `icuExpression` remains a string).
                    // Note: we intentionally retain the error here by not using `ngDevMode`, because
                    // the value can change based on the locale and users aren't guaranteed to hit
                    // an invalid string while they're developing.
                    if (typeof icuExpression !== 'object') {
                        throw new Error(`Unable to parse ICU expression in "${message}" message.`);
                    }
                    const icuContainerTNode = createTNodeAndAddOpCode(tView, rootTNode, existingTNodeStack[0], lView, createOpCodes, ngDevMode ? `ICU ${index}:${icuExpression.mainBinding}` : '', true);
                    const icuNodeIndex = icuContainerTNode.index;
                    ngDevMode &&
                        assertGreaterThanOrEqual(icuNodeIndex, HEADER_OFFSET, 'Index must be in absolute LView offset');
                    icuStart(tView, lView, updateOpCodes, parentTNodeIndex, icuExpression, icuNodeIndex);
                }
            }
        }
        else {
            // Odd indexes are placeholders (elements and sub-templates)
            // At this point value is something like: '/#1:2' (originally coming from '�/#1:2�')
            const isClosing = value.charCodeAt(0) === 47 /* SLASH */;
            const type = value.charCodeAt(isClosing ? 1 : 0);
            ngDevMode && assertOneOf(type, 42 /* STAR */, 35 /* HASH */);
            const index = HEADER_OFFSET + Number.parseInt(value.substring((isClosing ? 2 : 1)));
            if (isClosing) {
                existingTNodeStack.shift();
                setCurrentTNode(getCurrentParentTNode(), false);
            }
            else {
                const tNode = createTNodePlaceholder(tView, existingTNodeStack[0], index);
                existingTNodeStack.unshift([]);
                setCurrentTNode(tNode, true);
            }
        }
    }
    tView.data[index] = {
        create: createOpCodes,
        update: updateOpCodes,
    };
}
/**
 * Allocate space in i18n Range add create OpCode instruction to crete a text or comment node.
 *
 * @param tView Current `TView` needed to allocate space in i18n range.
 * @param rootTNode Root `TNode` of the i18n block. This node determines if the new TNode will be
 *     added as part of the `i18nStart` instruction or as part of the `TNode.insertBeforeIndex`.
 * @param existingTNodes internal state for `addTNodeAndUpdateInsertBeforeIndex`.
 * @param lView Current `LView` needed to allocate space in i18n range.
 * @param createOpCodes Array storing `I18nCreateOpCodes` where new opCodes will be added.
 * @param text Text to be added when the `Text` or `Comment` node will be created.
 * @param isICU true if a `Comment` node for ICU (instead of `Text`) node should be created.
 */
function createTNodeAndAddOpCode(tView, rootTNode, existingTNodes, lView, createOpCodes, text, isICU) {
    const i18nNodeIdx = allocExpando(tView, lView, 1, null);
    let opCode = i18nNodeIdx << I18nCreateOpCode.SHIFT;
    let parentTNode = getCurrentParentTNode();
    if (rootTNode === parentTNode) {
        // FIXME(misko): A null `parentTNode` should represent when we fall of the `LView` boundary.
        // (there is no parent), but in some circumstances (because we are inconsistent about how we set
        // `previousOrParentTNode`) it could point to `rootTNode` So this is a work around.
        parentTNode = null;
    }
    if (parentTNode === null) {
        // If we don't have a parent that means that we can eagerly add nodes.
        // If we have a parent than these nodes can't be added now (as the parent has not been created
        // yet) and instead the `parentTNode` is responsible for adding it. See
        // `TNode.insertBeforeIndex`
        opCode |= I18nCreateOpCode.APPEND_EAGERLY;
    }
    if (isICU) {
        opCode |= I18nCreateOpCode.COMMENT;
        ensureIcuContainerVisitorLoaded(loadIcuContainerVisitor);
    }
    createOpCodes.push(opCode, text === null ? '' : text);
    // We store `{{?}}` so that when looking at debug `TNodeType.template` we can see where the
    // bindings are.
    const tNode = createTNodeAtIndex(tView, i18nNodeIdx, isICU ? 32 /* Icu */ : 1 /* Text */, text === null ? (ngDevMode ? '{{?}}' : '') : text, null);
    addTNodeAndUpdateInsertBeforeIndex(existingTNodes, tNode);
    const tNodeIdx = tNode.index;
    setCurrentTNode(tNode, false /* Text nodes are self closing */);
    if (parentTNode !== null && rootTNode !== parentTNode) {
        // We are a child of deeper node (rather than a direct child of `i18nStart` instruction.)
        // We have to make sure to add ourselves to the parent.
        setTNodeInsertBeforeIndex(parentTNode, tNodeIdx);
    }
    return tNode;
}
/**
 * Processes text node in i18n block.
 *
 * Text nodes can have:
 * - Create instruction in `createOpCodes` for creating the text node.
 * - Allocate spec for text node in i18n range of `LView`
 * - If contains binding:
 *    - bindings => allocate space in i18n range of `LView` to store the binding value.
 *    - populate `updateOpCodes` with update instructions.
 *
 * @param tView Current `TView`
 * @param rootTNode Root `TNode` of the i18n block. This node determines if the new TNode will
 *     be added as part of the `i18nStart` instruction or as part of the
 *     `TNode.insertBeforeIndex`.
 * @param existingTNodes internal state for `addTNodeAndUpdateInsertBeforeIndex`.
 * @param createOpCodes Location where the creation OpCodes will be stored.
 * @param lView Current `LView`
 * @param text The translated text (which may contain binding)
 */
function i18nStartFirstCreatePassProcessTextNode(tView, rootTNode, existingTNodes, createOpCodes, updateOpCodes, lView, text) {
    const hasBinding = text.match(BINDING_REGEXP);
    const tNode = createTNodeAndAddOpCode(tView, rootTNode, existingTNodes, lView, createOpCodes, hasBinding ? null : text, false);
    if (hasBinding) {
        generateBindingUpdateOpCodes(updateOpCodes, text, tNode.index, null, 0, null);
    }
}
/**
 * See `i18nAttributes` above.
 */
function i18nAttributesFirstPass(tView, index, values) {
    const previousElement = getCurrentTNode();
    const previousElementIndex = previousElement.index;
    const updateOpCodes = [];
    if (ngDevMode) {
        attachDebugGetter(updateOpCodes, i18nUpdateOpCodesToString);
    }
    if (tView.firstCreatePass && tView.data[index] === null) {
        for (let i = 0; i < values.length; i += 2) {
            const attrName = values[i];
            const message = values[i + 1];
            if (message !== '') {
                // Check if attribute value contains an ICU and throw an error if that's the case.
                // ICUs in element attributes are not supported.
                // Note: we intentionally retain the error here by not using `ngDevMode`, because
                // the `value` can change based on the locale and users aren't guaranteed to hit
                // an invalid string while they're developing.
                if (ICU_REGEXP.test(message)) {
                    throw new Error(`ICU expressions are not supported in attributes. Message: "${message}".`);
                }
                // i18n attributes that hit this code path are guaranteed to have bindings, because
                // the compiler treats static i18n attributes as regular attribute bindings.
                // Since this may not be the first i18n attribute on this element we need to pass in how
                // many previous bindings there have already been.
                generateBindingUpdateOpCodes(updateOpCodes, message, previousElementIndex, attrName, countBindings(updateOpCodes), null);
            }
        }
        tView.data[index] = updateOpCodes;
    }
}
/**
 * Generate the OpCodes to update the bindings of a string.
 *
 * @param updateOpCodes Place where the update opcodes will be stored.
 * @param str The string containing the bindings.
 * @param destinationNode Index of the destination node which will receive the binding.
 * @param attrName Name of the attribute, if the string belongs to an attribute.
 * @param sanitizeFn Sanitization function used to sanitize the string after update, if necessary.
 * @param bindingStart The lView index of the next expression that can be bound via an opCode.
 * @returns The mask value for these bindings
 */
function generateBindingUpdateOpCodes(updateOpCodes, str, destinationNode, attrName, bindingStart, sanitizeFn) {
    ngDevMode &&
        assertGreaterThanOrEqual(destinationNode, HEADER_OFFSET, 'Index must be in absolute LView offset');
    const maskIndex = updateOpCodes.length; // Location of mask
    const sizeIndex = maskIndex + 1; // location of size for skipping
    updateOpCodes.push(null, null); // Alloc space for mask and size
    const startIndex = maskIndex + 2; // location of first allocation.
    if (ngDevMode) {
        attachDebugGetter(updateOpCodes, i18nUpdateOpCodesToString);
    }
    const textParts = str.split(BINDING_REGEXP);
    let mask = 0;
    for (let j = 0; j < textParts.length; j++) {
        const textValue = textParts[j];
        if (j & 1) {
            // Odd indexes are bindings
            const bindingIndex = bindingStart + parseInt(textValue, 10);
            updateOpCodes.push(-1 - bindingIndex);
            mask = mask | toMaskBit(bindingIndex);
        }
        else if (textValue !== '') {
            // Even indexes are text
            updateOpCodes.push(textValue);
        }
    }
    updateOpCodes.push(destinationNode << 2 /* SHIFT_REF */ |
        (attrName ? 1 /* Attr */ : 0 /* Text */));
    if (attrName) {
        updateOpCodes.push(attrName, sanitizeFn);
    }
    updateOpCodes[maskIndex] = mask;
    updateOpCodes[sizeIndex] = updateOpCodes.length - startIndex;
    return mask;
}
/**
 * Count the number of bindings in the given `opCodes`.
 *
 * It could be possible to speed this up, by passing the number of bindings found back from
 * `generateBindingUpdateOpCodes()` to `i18nAttributesFirstPass()` but this would then require more
 * complexity in the code and/or transient objects to be created.
 *
 * Since this function is only called once when the template is instantiated, is trivial in the
 * first instance (since `opCodes` will be an empty array), and it is not common for elements to
 * contain multiple i18n bound attributes, it seems like this is a reasonable compromise.
 */
function countBindings(opCodes) {
    let count = 0;
    for (let i = 0; i < opCodes.length; i++) {
        const opCode = opCodes[i];
        // Bindings are negative numbers.
        if (typeof opCode === 'number' && opCode < 0) {
            count++;
        }
    }
    return count;
}
/**
 * Convert binding index to mask bit.
 *
 * Each index represents a single bit on the bit-mask. Because bit-mask only has 32 bits, we make
 * the 32nd bit share all masks for all bindings higher than 32. Since it is extremely rare to
 * have more than 32 bindings this will be hit very rarely. The downside of hitting this corner
 * case is that we will execute binding code more often than necessary. (penalty of performance)
 */
function toMaskBit(bindingIndex) {
    return 1 << Math.min(bindingIndex, 31);
}
function isRootTemplateMessage(subTemplateIndex) {
    return subTemplateIndex === -1;
}
/**
 * Removes everything inside the sub-templates of a message.
 */
function removeInnerTemplateTranslation(message) {
    let match;
    let res = '';
    let index = 0;
    let inTemplate = false;
    let tagMatched;
    while ((match = SUBTEMPLATE_REGEXP.exec(message)) !== null) {
        if (!inTemplate) {
            res += message.substring(index, match.index + match[0].length);
            tagMatched = match[1];
            inTemplate = true;
        }
        else {
            if (match[0] === `${MARKER}/*${tagMatched}${MARKER}`) {
                index = match.index;
                inTemplate = false;
            }
        }
    }
    ngDevMode &&
        assertEqual(inTemplate, false, `Tag mismatch: unable to find the end of the sub-template in the translation "${message}"`);
    res += message.substr(index);
    return res;
}
/**
 * Extracts a part of a message and removes the rest.
 *
 * This method is used for extracting a part of the message associated with a template. A
 * translated message can span multiple templates.
 *
 * Example:
 * ```
 * <div i18n>Translate <span *ngIf>me</span>!</div>
 * ```
 *
 * @param message The message to crop
 * @param subTemplateIndex Index of the sub-template to extract. If undefined it returns the
 * external template and removes all sub-templates.
 */
function getTranslationForTemplate(message, subTemplateIndex) {
    if (isRootTemplateMessage(subTemplateIndex)) {
        // We want the root template message, ignore all sub-templates
        return removeInnerTemplateTranslation(message);
    }
    else {
        // We want a specific sub-template
        const start = message.indexOf(`:${subTemplateIndex}${MARKER}`) + 2 + subTemplateIndex.toString().length;
        const end = message.search(new RegExp(`${MARKER}\\/\\*\\d+:${subTemplateIndex}${MARKER}`));
        return removeInnerTemplateTranslation(message.substring(start, end));
    }
}
/**
 * Generate the OpCodes for ICU expressions.
 *
 * @param icuExpression
 * @param index Index where the anchor is stored and an optional `TIcuContainerNode`
 *   - `lView[anchorIdx]` points to a `Comment` node representing the anchor for the ICU.
 *   - `tView.data[anchorIdx]` points to the `TIcuContainerNode` if ICU is root (`null` otherwise)
 */
function icuStart(tView, lView, updateOpCodes, parentIdx, icuExpression, anchorIdx) {
    ngDevMode && assertDefined(icuExpression, 'ICU expression must be defined');
    let bindingMask = 0;
    const tIcu = {
        type: icuExpression.type,
        currentCaseLViewIndex: allocExpando(tView, lView, 1, null),
        anchorIdx,
        cases: [],
        create: [],
        remove: [],
        update: []
    };
    addUpdateIcuSwitch(updateOpCodes, icuExpression, anchorIdx);
    setTIcu(tView, anchorIdx, tIcu);
    const values = icuExpression.values;
    for (let i = 0; i < values.length; i++) {
        // Each value is an array of strings & other ICU expressions
        const valueArr = values[i];
        const nestedIcus = [];
        for (let j = 0; j < valueArr.length; j++) {
            const value = valueArr[j];
            if (typeof value !== 'string') {
                // It is an nested ICU expression
                const icuIndex = nestedIcus.push(value) - 1;
                // Replace nested ICU expression by a comment node
                valueArr[j] = `<!--�${icuIndex}�-->`;
            }
        }
        bindingMask = parseIcuCase(tView, tIcu, lView, updateOpCodes, parentIdx, icuExpression.cases[i], valueArr.join(''), nestedIcus) |
            bindingMask;
    }
    if (bindingMask) {
        addUpdateIcuUpdate(updateOpCodes, bindingMask, anchorIdx);
    }
}
/**
 * Parses text containing an ICU expression and produces a JSON object for it.
 * Original code from closure library, modified for Angular.
 *
 * @param pattern Text containing an ICU expression that needs to be parsed.
 *
 */
function parseICUBlock(pattern) {
    const cases = [];
    const values = [];
    let icuType = 1 /* plural */;
    let mainBinding = 0;
    pattern = pattern.replace(ICU_BLOCK_REGEXP, function (str, binding, type) {
        if (type === 'select') {
            icuType = 0 /* select */;
        }
        else {
            icuType = 1 /* plural */;
        }
        mainBinding = parseInt(binding.substr(1), 10);
        return '';
    });
    const parts = i18nParseTextIntoPartsAndICU(pattern);
    // Looking for (key block)+ sequence. One of the keys has to be "other".
    for (let pos = 0; pos < parts.length;) {
        let key = parts[pos++].trim();
        if (icuType === 1 /* plural */) {
            // Key can be "=x", we just want "x"
            key = key.replace(/\s*(?:=)?(\w+)\s*/, '$1');
        }
        if (key.length) {
            cases.push(key);
        }
        const blocks = i18nParseTextIntoPartsAndICU(parts[pos++]);
        if (cases.length > values.length) {
            values.push(blocks);
        }
    }
    // TODO(ocombe): support ICU expressions in attributes, see #21615
    return { type: icuType, mainBinding: mainBinding, cases, values };
}
/**
 * Breaks pattern into strings and top level {...} blocks.
 * Can be used to break a message into text and ICU expressions, or to break an ICU expression
 * into keys and cases. Original code from closure library, modified for Angular.
 *
 * @param pattern (sub)Pattern to be broken.
 * @returns An `Array<string|IcuExpression>` where:
 *   - odd positions: `string` => text between ICU expressions
 *   - even positions: `ICUExpression` => ICU expression parsed into `ICUExpression` record.
 */
function i18nParseTextIntoPartsAndICU(pattern) {
    if (!pattern) {
        return [];
    }
    let prevPos = 0;
    const braceStack = [];
    const results = [];
    const braces = /[{}]/g;
    // lastIndex doesn't get set to 0 so we have to.
    braces.lastIndex = 0;
    let match;
    while (match = braces.exec(pattern)) {
        const pos = match.index;
        if (match[0] == '}') {
            braceStack.pop();
            if (braceStack.length == 0) {
                // End of the block.
                const block = pattern.substring(prevPos, pos);
                if (ICU_BLOCK_REGEXP.test(block)) {
                    results.push(parseICUBlock(block));
                }
                else {
                    results.push(block);
                }
                prevPos = pos + 1;
            }
        }
        else {
            if (braceStack.length == 0) {
                const substring = pattern.substring(prevPos, pos);
                results.push(substring);
                prevPos = pos + 1;
            }
            braceStack.push('{');
        }
    }
    const substring = pattern.substring(prevPos);
    results.push(substring);
    return results;
}
/**
 * Parses a node, its children and its siblings, and generates the mutate & update OpCodes.
 *
 */
function parseIcuCase(tView, tIcu, lView, updateOpCodes, parentIdx, caseName, unsafeCaseHtml, nestedIcus) {
    const create = [];
    const remove = [];
    const update = [];
    if (ngDevMode) {
        attachDebugGetter(create, icuCreateOpCodesToString);
        attachDebugGetter(remove, i18nRemoveOpCodesToString);
        attachDebugGetter(update, i18nUpdateOpCodesToString);
    }
    tIcu.cases.push(caseName);
    tIcu.create.push(create);
    tIcu.remove.push(remove);
    tIcu.update.push(update);
    const inertBodyHelper = getInertBodyHelper(getDocument());
    const inertBodyElement = inertBodyHelper.getInertBodyElement(unsafeCaseHtml);
    ngDevMode && assertDefined(inertBodyElement, 'Unable to generate inert body element');
    const inertRootNode = getTemplateContent(inertBodyElement) || inertBodyElement;
    if (inertRootNode) {
        return walkIcuTree(tView, tIcu, lView, updateOpCodes, create, remove, update, inertRootNode, parentIdx, nestedIcus, 0);
    }
    else {
        return 0;
    }
}
function walkIcuTree(tView, tIcu, lView, sharedUpdateOpCodes, create, remove, update, parentNode, parentIdx, nestedIcus, depth) {
    let bindingMask = 0;
    let currentNode = parentNode.firstChild;
    while (currentNode) {
        const newIndex = allocExpando(tView, lView, 1, null);
        switch (currentNode.nodeType) {
            case Node.ELEMENT_NODE:
                const element = currentNode;
                const tagName = element.tagName.toLowerCase();
                if (VALID_ELEMENTS.hasOwnProperty(tagName)) {
                    addCreateNodeAndAppend(create, ELEMENT_MARKER, tagName, parentIdx, newIndex);
                    tView.data[newIndex] = tagName;
                    const elAttrs = element.attributes;
                    for (let i = 0; i < elAttrs.length; i++) {
                        const attr = elAttrs.item(i);
                        const lowerAttrName = attr.name.toLowerCase();
                        const hasBinding = !!attr.value.match(BINDING_REGEXP);
                        // we assume the input string is safe, unless it's using a binding
                        if (hasBinding) {
                            if (VALID_ATTRS.hasOwnProperty(lowerAttrName)) {
                                if (URI_ATTRS[lowerAttrName]) {
                                    generateBindingUpdateOpCodes(update, attr.value, newIndex, attr.name, 0, _sanitizeUrl);
                                }
                                else if (SRCSET_ATTRS[lowerAttrName]) {
                                    generateBindingUpdateOpCodes(update, attr.value, newIndex, attr.name, 0, sanitizeSrcset);
                                }
                                else {
                                    generateBindingUpdateOpCodes(update, attr.value, newIndex, attr.name, 0, null);
                                }
                            }
                            else {
                                ngDevMode &&
                                    console.warn(`WARNING: ignoring unsafe attribute value ` +
                                        `${lowerAttrName} on element ${tagName} ` +
                                        `(see https://g.co/ng/security#xss)`);
                            }
                        }
                        else {
                            addCreateAttribute(create, newIndex, attr);
                        }
                    }
                    // Parse the children of this node (if any)
                    bindingMask = walkIcuTree(tView, tIcu, lView, sharedUpdateOpCodes, create, remove, update, currentNode, newIndex, nestedIcus, depth + 1) |
                        bindingMask;
                    addRemoveNode(remove, newIndex, depth);
                }
                break;
            case Node.TEXT_NODE:
                const value = currentNode.textContent || '';
                const hasBinding = value.match(BINDING_REGEXP);
                addCreateNodeAndAppend(create, null, hasBinding ? '' : value, parentIdx, newIndex);
                addRemoveNode(remove, newIndex, depth);
                if (hasBinding) {
                    bindingMask =
                        generateBindingUpdateOpCodes(update, value, newIndex, null, 0, null) | bindingMask;
                }
                break;
            case Node.COMMENT_NODE:
                // Check if the comment node is a placeholder for a nested ICU
                const isNestedIcu = NESTED_ICU.exec(currentNode.textContent || '');
                if (isNestedIcu) {
                    const nestedIcuIndex = parseInt(isNestedIcu[1], 10);
                    const icuExpression = nestedIcus[nestedIcuIndex];
                    // Create the comment node that will anchor the ICU expression
                    addCreateNodeAndAppend(create, ICU_MARKER, ngDevMode ? `nested ICU ${nestedIcuIndex}` : '', parentIdx, newIndex);
                    icuStart(tView, lView, sharedUpdateOpCodes, parentIdx, icuExpression, newIndex);
                    addRemoveNestedIcu(remove, newIndex, depth);
                }
                break;
        }
        currentNode = currentNode.nextSibling;
    }
    return bindingMask;
}
function addRemoveNode(remove, index, depth) {
    if (depth === 0) {
        remove.push(index);
    }
}
function addRemoveNestedIcu(remove, index, depth) {
    if (depth === 0) {
        remove.push(~index); // remove ICU at `index`
        remove.push(index); // remove ICU comment at `index`
    }
}
function addUpdateIcuSwitch(update, icuExpression, index) {
    update.push(toMaskBit(icuExpression.mainBinding), 2, -1 - icuExpression.mainBinding, index << 2 /* SHIFT_REF */ | 2 /* IcuSwitch */);
}
function addUpdateIcuUpdate(update, bindingMask, index) {
    update.push(bindingMask, 1, index << 2 /* SHIFT_REF */ | 3 /* IcuUpdate */);
}
function addCreateNodeAndAppend(create, marker, text, appendToParentIdx, createAtIdx) {
    if (marker !== null) {
        create.push(marker);
    }
    create.push(text, createAtIdx, icuCreateOpCode(0 /* AppendChild */, appendToParentIdx, createAtIdx));
}
function addCreateAttribute(create, newIndex, attr) {
    create.push(newIndex << 1 /* SHIFT_REF */ | 1 /* Attr */, attr.name, attr.value);
}

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
// i18nPostprocess consts
const ROOT_TEMPLATE_ID = 0;
const PP_MULTI_VALUE_PLACEHOLDERS_REGEXP = /\[(�.+?�?)\]/;
const PP_PLACEHOLDERS_REGEXP = /\[(�.+?�?)\]|(�\/?\*\d+:\d+�)/g;
const PP_ICU_VARS_REGEXP = /({\s*)(VAR_(PLURAL|SELECT)(_\d+)?)(\s*,)/g;
const PP_ICU_PLACEHOLDERS_REGEXP = /{([A-Z0-9_]+)}/g;
const PP_ICUS_REGEXP = /�I18N_EXP_(ICU(_\d+)?)�/g;
const PP_CLOSE_TEMPLATE_REGEXP = /\/\*/;
const PP_TEMPLATE_ID_REGEXP = /\d+\:(\d+)/;
/**
 * Handles message string post-processing for internationalization.
 *
 * Handles message string post-processing by transforming it from intermediate
 * format (that might contain some markers that we need to replace) to the final
 * form, consumable by i18nStart instruction. Post processing steps include:
 *
 * 1. Resolve all multi-value cases (like [�*1:1��#2:1�|�#4:1�|�5�])
 * 2. Replace all ICU vars (like "VAR_PLURAL")
 * 3. Replace all placeholders used inside ICUs in a form of {PLACEHOLDER}
 * 4. Replace all ICU references with corresponding values (like �ICU_EXP_ICU_1�)
 *    in case multiple ICUs have the same placeholder name
 *
 * @param message Raw translation string for post processing
 * @param replacements Set of replacements that should be applied
 *
 * @returns Transformed string that can be consumed by i18nStart instruction
 *
 * @codeGenApi
 */
function i18nPostprocess(message, replacements = {}) {
    /**
     * Step 1: resolve all multi-value placeholders like [�#5�|�*1:1��#2:1�|�#4:1�]
     *
     * Note: due to the way we process nested templates (BFS), multi-value placeholders are typically
     * grouped by templates, for example: [�#5�|�#6�|�#1:1�|�#3:2�] where �#5� and �#6� belong to root
     * template, �#1:1� belong to nested template with index 1 and �#1:2� - nested template with index
     * 3. However in real templates the order might be different: i.e. �#1:1� and/or �#3:2� may go in
     * front of �#6�. The post processing step restores the right order by keeping track of the
     * template id stack and looks for placeholders that belong to the currently active template.
     */
    let result = message;
    if (PP_MULTI_VALUE_PLACEHOLDERS_REGEXP.test(message)) {
        const matches = {};
        const templateIdsStack = [ROOT_TEMPLATE_ID];
        result = result.replace(PP_PLACEHOLDERS_REGEXP, (m, phs, tmpl) => {
            const content = phs || tmpl;
            const placeholders = matches[content] || [];
            if (!placeholders.length) {
                content.split('|').forEach((placeholder) => {
                    const match = placeholder.match(PP_TEMPLATE_ID_REGEXP);
                    const templateId = match ? parseInt(match[1], 10) : ROOT_TEMPLATE_ID;
                    const isCloseTemplateTag = PP_CLOSE_TEMPLATE_REGEXP.test(placeholder);
                    placeholders.push([templateId, isCloseTemplateTag, placeholder]);
                });
                matches[content] = placeholders;
            }
            if (!placeholders.length) {
                throw new Error(`i18n postprocess: unmatched placeholder - ${content}`);
            }
            const currentTemplateId = templateIdsStack[templateIdsStack.length - 1];
            let idx = 0;
            // find placeholder index that matches current template id
            for (let i = 0; i < placeholders.length; i++) {
                if (placeholders[i][0] === currentTemplateId) {
                    idx = i;
                    break;
                }
            }
            // update template id stack based on the current tag extracted
            const [templateId, isCloseTemplateTag, placeholder] = placeholders[idx];
            if (isCloseTemplateTag) {
                templateIdsStack.pop();
            }
            else if (currentTemplateId !== templateId) {
                templateIdsStack.push(templateId);
            }
            // remove processed tag from the list
            placeholders.splice(idx, 1);
            return placeholder;
        });
    }
    // return current result if no replacements specified
    if (!Object.keys(replacements).length) {
        return result;
    }
    /**
     * Step 2: replace all ICU vars (like "VAR_PLURAL")
     */
    result = result.replace(PP_ICU_VARS_REGEXP, (match, start, key, _type, _idx, end) => {
        return replacements.hasOwnProperty(key) ? `${start}${replacements[key]}${end}` : match;
    });
    /**
     * Step 3: replace all placeholders used inside ICUs in a form of {PLACEHOLDER}
     */
    result = result.replace(PP_ICU_PLACEHOLDERS_REGEXP, (match, key) => {
        return replacements.hasOwnProperty(key) ? replacements[key] : match;
    });
    /**
     * Step 4: replace all ICU references with corresponding values (like �ICU_EXP_ICU_1�) in case
     * multiple ICUs have the same placeholder name
     */
    result = result.replace(PP_ICUS_REGEXP, (match, key) => {
        if (replacements.hasOwnProperty(key)) {
            const list = replacements[key];
            if (!list.length) {
                throw new Error(`i18n postprocess: unmatched ICU - ${match} with key: ${key}`);
            }
            return list.shift();
        }
        return match;
    });
    return result;
}

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
/**
 * Marks a block of text as translatable.
 *
 * The instructions `i18nStart` and `i18nEnd` mark the translation block in the template.
 * The translation `message` is the value which is locale specific. The translation string may
 * contain placeholders which associate inner elements and sub-templates within the translation.
 *
 * The translation `message` placeholders are:
 * - `�{index}(:{block})�`: *Binding Placeholder*: Marks a location where an expression will be
 *   interpolated into. The placeholder `index` points to the expression binding index. An optional
 *   `block` that matches the sub-template in which it was declared.
 * - `�#{index}(:{block})�`/`�/#{index}(:{block})�`: *Element Placeholder*:  Marks the beginning
 *   and end of DOM element that were embedded in the original translation block. The placeholder
 *   `index` points to the element index in the template instructions set. An optional `block` that
 *   matches the sub-template in which it was declared.
 * - `�*{index}:{block}�`/`�/*{index}:{block}�`: *Sub-template Placeholder*: Sub-templates must be
 *   split up and translated separately in each angular template function. The `index` points to the
 *   `template` instruction index. A `block` that matches the sub-template in which it was declared.
 *
 * @param index A unique index of the translation in the static block.
 * @param messageIndex An index of the translation message from the `def.consts` array.
 * @param subTemplateIndex Optional sub-template index in the `message`.
 *
 * @codeGenApi
 */
function ɵɵi18nStart(index, messageIndex, subTemplateIndex = -1) {
    const tView = getTView();
    const lView = getLView();
    const adjustedIndex = HEADER_OFFSET + index;
    ngDevMode && assertDefined(tView, `tView should be defined`);
    const message = getConstant(tView.consts, messageIndex);
    const parentTNode = getCurrentParentTNode();
    if (tView.firstCreatePass) {
        i18nStartFirstCreatePass(tView, parentTNode === null ? 0 : parentTNode.index, lView, adjustedIndex, message, subTemplateIndex);
    }
    const tI18n = tView.data[adjustedIndex];
    const sameViewParentTNode = parentTNode === lView[T_HOST] ? null : parentTNode;
    const parentRNode = getClosestRElement(tView, sameViewParentTNode, lView);
    // If `parentTNode` is an `ElementContainer` than it has `<!--ng-container--->`.
    // When we do inserts we have to make sure to insert in front of `<!--ng-container--->`.
    const insertInFrontOf = parentTNode && (parentTNode.type & 8 /* ElementContainer */) ?
        lView[parentTNode.index] :
        null;
    applyCreateOpCodes(lView, tI18n.create, parentRNode, insertInFrontOf);
    setInI18nBlock(true);
}
/**
 * Translates a translation block marked by `i18nStart` and `i18nEnd`. It inserts the text/ICU nodes
 * into the render tree, moves the placeholder nodes and removes the deleted nodes.
 *
 * @codeGenApi
 */
function ɵɵi18nEnd() {
    setInI18nBlock(false);
}
/**
 *
 * Use this instruction to create a translation block that doesn't contain any placeholder.
 * It calls both {@link i18nStart} and {@link i18nEnd} in one instruction.
 *
 * The translation `message` is the value which is locale specific. The translation string may
 * contain placeholders which associate inner elements and sub-templates within the translation.
 *
 * The translation `message` placeholders are:
 * - `�{index}(:{block})�`: *Binding Placeholder*: Marks a location where an expression will be
 *   interpolated into. The placeholder `index` points to the expression binding index. An optional
 *   `block` that matches the sub-template in which it was declared.
 * - `�#{index}(:{block})�`/`�/#{index}(:{block})�`: *Element Placeholder*:  Marks the beginning
 *   and end of DOM element that were embedded in the original translation block. The placeholder
 *   `index` points to the element index in the template instructions set. An optional `block` that
 *   matches the sub-template in which it was declared.
 * - `�*{index}:{block}�`/`�/*{index}:{block}�`: *Sub-template Placeholder*: Sub-templates must be
 *   split up and translated separately in each angular template function. The `index` points to the
 *   `template` instruction index. A `block` that matches the sub-template in which it was declared.
 *
 * @param index A unique index of the translation in the static block.
 * @param messageIndex An index of the translation message from the `def.consts` array.
 * @param subTemplateIndex Optional sub-template index in the `message`.
 *
 * @codeGenApi
 */
function ɵɵi18n(index, messageIndex, subTemplateIndex) {
    ɵɵi18nStart(index, messageIndex, subTemplateIndex);
    ɵɵi18nEnd();
}
/**
 * Marks a list of attributes as translatable.
 *
 * @param index A unique index in the static block
 * @param values
 *
 * @codeGenApi
 */
function ɵɵi18nAttributes(index, attrsIndex) {
    const tView = getTView();
    ngDevMode && assertDefined(tView, `tView should be defined`);
    const attrs = getConstant(tView.consts, attrsIndex);
    i18nAttributesFirstPass(tView, index + HEADER_OFFSET, attrs);
}
/**
 * Stores the values of the bindings during each update cycle in order to determine if we need to
 * update the translated nodes.
 *
 * @param value The binding's value
 * @returns This function returns itself so that it may be chained
 * (e.g. `i18nExp(ctx.name)(ctx.title)`)
 *
 * @codeGenApi
 */
function ɵɵi18nExp(value) {
    const lView = getLView();
    setMaskBit(bindingUpdated(lView, nextBindingIndex(), value));
    return ɵɵi18nExp;
}
/**
 * Updates a translation block or an i18n attribute when the bindings have changed.
 *
 * @param index Index of either {@link i18nStart} (translation block) or {@link i18nAttributes}
 * (i18n attribute) on which it should update the content.
 *
 * @codeGenApi
 */
function ɵɵi18nApply(index) {
    applyI18n(getTView(), getLView(), index + HEADER_OFFSET);
}
/**
 * Handles message string post-processing for internationalization.
 *
 * Handles message string post-processing by transforming it from intermediate
 * format (that might contain some markers that we need to replace) to the final
 * form, consumable by i18nStart instruction. Post processing steps include:
 *
 * 1. Resolve all multi-value cases (like [�*1:1��#2:1�|�#4:1�|�5�])
 * 2. Replace all ICU vars (like "VAR_PLURAL")
 * 3. Replace all placeholders used inside ICUs in a form of {PLACEHOLDER}
 * 4. Replace all ICU references with corresponding values (like �ICU_EXP_ICU_1�)
 *    in case multiple ICUs have the same placeholder name
 *
 * @param message Raw translation string for post processing
 * @param replacements Set of replacements that should be applied
 *
 * @returns Transformed string that can be consumed by i18nStart instruction
 *
 * @codeGenApi
 */
function ɵɵi18nPostprocess(message, replacements = {}) {
    return i18nPostprocess(message, replacements);
}

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
/**
 * Resolves the providers which are defined in the DirectiveDef.
 *
 * When inserting the tokens and the factories in their respective arrays, we can assume that
 * this method is called first for the component (if any), and then for other directives on the same
 * node.
 * As a consequence,the providers are always processed in that order:
 * 1) The view providers of the component
 * 2) The providers of the component
 * 3) The providers of the other directives
 * This matches the structure of the injectables arrays of a view (for each node).
 * So the tokens and the factories can be pushed at the end of the arrays, except
 * in one case for multi providers.
 *
 * @param def the directive definition
 * @param providers: Array of `providers`.
 * @param viewProviders: Array of `viewProviders`.
 */
function providersResolver(def, providers, viewProviders) {
    const tView = getTView();
    if (tView.firstCreatePass) {
        const isComponent = isComponentDef(def);
        // The list of view providers is processed first, and the flags are updated
        resolveProvider$1(viewProviders, tView.data, tView.blueprint, isComponent, true);
        // Then, the list of providers is processed, and the flags are updated
        resolveProvider$1(providers, tView.data, tView.blueprint, isComponent, false);
    }
}
/**
 * Resolves a provider and publishes it to the DI system.
 */
function resolveProvider$1(provider, tInjectables, lInjectablesBlueprint, isComponent, isViewProvider) {
    provider = resolveForwardRef(provider);
    if (Array.isArray(provider)) {
        // Recursively call `resolveProvider`
        // Recursion is OK in this case because this code will not be in hot-path once we implement
        // cloning of the initial state.
        for (let i = 0; i < provider.length; i++) {
            resolveProvider$1(provider[i], tInjectables, lInjectablesBlueprint, isComponent, isViewProvider);
        }
    }
    else {
        const tView = getTView();
        const lView = getLView();
        let token = isTypeProvider(provider) ? provider : resolveForwardRef(provider.provide);
        let providerFactory = providerToFactory(provider);
        const tNode = getCurrentTNode();
        const beginIndex = tNode.providerIndexes & 1048575 /* ProvidersStartIndexMask */;
        const endIndex = tNode.directiveStart;
        const cptViewProvidersCount = tNode.providerIndexes >> 20 /* CptViewProvidersCountShift */;
        if (isTypeProvider(provider) || !provider.multi) {
            // Single provider case: the factory is created and pushed immediately
            const factory = new NodeInjectorFactory(providerFactory, isViewProvider, ɵɵdirectiveInject);
            const existingFactoryIndex = indexOf(token, tInjectables, isViewProvider ? beginIndex : beginIndex + cptViewProvidersCount, endIndex);
            if (existingFactoryIndex === -1) {
                diPublicInInjector(getOrCreateNodeInjectorForNode(tNode, lView), tView, token);
                registerDestroyHooksIfSupported(tView, provider, tInjectables.length);
                tInjectables.push(token);
                tNode.directiveStart++;
                tNode.directiveEnd++;
                if (isViewProvider) {
                    tNode.providerIndexes += 1048576 /* CptViewProvidersCountShifter */;
                }
                lInjectablesBlueprint.push(factory);
                lView.push(factory);
            }
            else {
                lInjectablesBlueprint[existingFactoryIndex] = factory;
                lView[existingFactoryIndex] = factory;
            }
        }
        else {
            // Multi provider case:
            // We create a multi factory which is going to aggregate all the values.
            // Since the output of such a factory depends on content or view injection,
            // we create two of them, which are linked together.
            //
            // The first one (for view providers) is always in the first block of the injectables array,
            // and the second one (for providers) is always in the second block.
            // This is important because view providers have higher priority. When a multi token
            // is being looked up, the view providers should be found first.
            // Note that it is not possible to have a multi factory in the third block (directive block).
            //
            // The algorithm to process multi providers is as follows:
            // 1) If the multi provider comes from the `viewProviders` of the component:
            //   a) If the special view providers factory doesn't exist, it is created and pushed.
            //   b) Else, the multi provider is added to the existing multi factory.
            // 2) If the multi provider comes from the `providers` of the component or of another
            // directive:
            //   a) If the multi factory doesn't exist, it is created and provider pushed into it.
            //      It is also linked to the multi factory for view providers, if it exists.
            //   b) Else, the multi provider is added to the existing multi factory.
            const existingProvidersFactoryIndex = indexOf(token, tInjectables, beginIndex + cptViewProvidersCount, endIndex);
            const existingViewProvidersFactoryIndex = indexOf(token, tInjectables, beginIndex, beginIndex + cptViewProvidersCount);
            const doesProvidersFactoryExist = existingProvidersFactoryIndex >= 0 &&
                lInjectablesBlueprint[existingProvidersFactoryIndex];
            const doesViewProvidersFactoryExist = existingViewProvidersFactoryIndex >= 0 &&
                lInjectablesBlueprint[existingViewProvidersFactoryIndex];
            if (isViewProvider && !doesViewProvidersFactoryExist ||
                !isViewProvider && !doesProvidersFactoryExist) {
                // Cases 1.a and 2.a
                diPublicInInjector(getOrCreateNodeInjectorForNode(tNode, lView), tView, token);
                const factory = multiFactory(isViewProvider ? multiViewProvidersFactoryResolver : multiProvidersFactoryResolver, lInjectablesBlueprint.length, isViewProvider, isComponent, providerFactory);
                if (!isViewProvider && doesViewProvidersFactoryExist) {
                    lInjectablesBlueprint[existingViewProvidersFactoryIndex].providerFactory = factory;
                }
                registerDestroyHooksIfSupported(tView, provider, tInjectables.length, 0);
                tInjectables.push(token);
                tNode.directiveStart++;
                tNode.directiveEnd++;
                if (isViewProvider) {
                    tNode.providerIndexes += 1048576 /* CptViewProvidersCountShifter */;
                }
                lInjectablesBlueprint.push(factory);
                lView.push(factory);
            }
            else {
                // Cases 1.b and 2.b
                const indexInFactory = multiFactoryAdd(lInjectablesBlueprint[isViewProvider ? existingViewProvidersFactoryIndex :
                    existingProvidersFactoryIndex], providerFactory, !isViewProvider && isComponent);
                registerDestroyHooksIfSupported(tView, provider, existingProvidersFactoryIndex > -1 ? existingProvidersFactoryIndex :
                    existingViewProvidersFactoryIndex, indexInFactory);
            }
            if (!isViewProvider && isComponent && doesViewProvidersFactoryExist) {
                lInjectablesBlueprint[existingViewProvidersFactoryIndex].componentProviders++;
            }
        }
    }
}
/**
 * Registers the `ngOnDestroy` hook of a provider, if the provider supports destroy hooks.
 * @param tView `TView` in which to register the hook.
 * @param provider Provider whose hook should be registered.
 * @param contextIndex Index under which to find the context for the hook when it's being invoked.
 * @param indexInFactory Only required for `multi` providers. Index of the provider in the multi
 * provider factory.
 */
function registerDestroyHooksIfSupported(tView, provider, contextIndex, indexInFactory) {
    const providerIsTypeProvider = isTypeProvider(provider);
    if (providerIsTypeProvider || isClassProvider(provider)) {
        const prototype = (provider.useClass || provider).prototype;
        const ngOnDestroy = prototype.ngOnDestroy;
        if (ngOnDestroy) {
            const hooks = tView.destroyHooks || (tView.destroyHooks = []);
            if (!providerIsTypeProvider && provider.multi) {
                ngDevMode &&
                    assertDefined(indexInFactory, 'indexInFactory when registering multi factory destroy hook');
                const existingCallbacksIndex = hooks.indexOf(contextIndex);
                if (existingCallbacksIndex === -1) {
                    hooks.push(contextIndex, [indexInFactory, ngOnDestroy]);
                }
                else {
                    hooks[existingCallbacksIndex + 1].push(indexInFactory, ngOnDestroy);
                }
            }
            else {
                hooks.push(contextIndex, ngOnDestroy);
            }
        }
    }
}
/**
 * Add a factory in a multi factory.
 * @returns Index at which the factory was inserted.
 */
function multiFactoryAdd(multiFactory, factory, isComponentProvider) {
    if (isComponentProvider) {
        multiFactory.componentProviders++;
    }
    return multiFactory.multi.push(factory) - 1;
}
/**
 * Returns the index of item in the array, but only in the begin to end range.
 */
function indexOf(item, arr, begin, end) {
    for (let i = begin; i < end; i++) {
        if (arr[i] === item)
            return i;
    }
    return -1;
}
/**
 * Use this with `multi` `providers`.
 */
function multiProvidersFactoryResolver(_, tData, lData, tNode) {
    return multiResolve(this.multi, []);
}
/**
 * Use this with `multi` `viewProviders`.
 *
 * This factory knows how to concatenate itself with the existing `multi` `providers`.
 */
function multiViewProvidersFactoryResolver(_, tData, lView, tNode) {
    const factories = this.multi;
    let result;
    if (this.providerFactory) {
        const componentCount = this.providerFactory.componentProviders;
        const multiProviders = getNodeInjectable(lView, lView[TVIEW], this.providerFactory.index, tNode);
        // Copy the section of the array which contains `multi` `providers` from the component
        result = multiProviders.slice(0, componentCount);
        // Insert the `viewProvider` instances.
        multiResolve(factories, result);
        // Copy the section of the array which contains `multi` `providers` from other directives
        for (let i = componentCount; i < multiProviders.length; i++) {
            result.push(multiProviders[i]);
        }
    }
    else {
        result = [];
        // Insert the `viewProvider` instances.
        multiResolve(factories, result);
    }
    return result;
}
/**
 * Maps an array of factories into an array of values.
 */
function multiResolve(factories, result) {
    for (let i = 0; i < factories.length; i++) {
        const factory = factories[i];
        result.push(factory());
    }
    return result;
}
/**
 * Creates a multi factory.
 */
function multiFactory(factoryFn, index, isViewProvider, isComponent, f) {
    const factory = new NodeInjectorFactory(factoryFn, isViewProvider, ɵɵdirectiveInject);
    factory.multi = [];
    factory.index = index;
    factory.componentProviders = 0;
    multiFactoryAdd(factory, f, isComponent && !isViewProvider);
    return factory;
}

/**
 * This feature resolves the providers of a directive (or component),
 * and publish them into the DI system, making it visible to others for injection.
 *
 * For example:
 * ```ts
 * class ComponentWithProviders {
 *   constructor(private greeter: GreeterDE) {}
 *
 *   static ɵcmp = defineComponent({
 *     type: ComponentWithProviders,
 *     selectors: [['component-with-providers']],
 *    factory: () => new ComponentWithProviders(directiveInject(GreeterDE as any)),
 *    decls: 1,
 *    vars: 1,
 *    template: function(fs: RenderFlags, ctx: ComponentWithProviders) {
 *      if (fs & RenderFlags.Create) {
 *        ɵɵtext(0);
 *      }
 *      if (fs & RenderFlags.Update) {
 *        ɵɵtextInterpolate(ctx.greeter.greet());
 *      }
 *    },
 *    features: [ɵɵProvidersFeature([GreeterDE])]
 *  });
 * }
 * ```
 *
 * @param definition
 *
 * @codeGenApi
 */
function ɵɵProvidersFeature(providers, viewProviders = []) {
    return (definition) => {
        definition.providersResolver =
            (def, processProvidersFn) => {
                return providersResolver(def, //
                processProvidersFn ? processProvidersFn(providers) : providers, //
                viewProviders);
            };
    };
}

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
/**
 * Represents a component created by a `ComponentFactory`.
 * Provides access to the component instance and related objects,
 * and provides the means of destroying the instance.
 *
 * @publicApi
 */
class ComponentRef {
}
/**
 * Base class for a factory that can create a component dynamically.
 * Instantiate a factory for a given type of component with `resolveComponentFactory()`.
 * Use the resulting `ComponentFactory.create()` method to create a component of that type.
 *
 * @see [Dynamic Components](guide/dynamic-component-loader)
 *
 * @publicApi
 */
class ComponentFactory {
}

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
function noComponentFactoryError(component) {
    const error = Error(`No component factory found for ${stringify(component)}. Did you add it to @NgModule.entryComponents?`);
    error[ERROR_COMPONENT] = component;
    return error;
}
const ERROR_COMPONENT = 'ngComponent';
function getComponent$1(error) {
    return error[ERROR_COMPONENT];
}
class _NullComponentFactoryResolver {
    resolveComponentFactory(component) {
        throw noComponentFactoryError(component);
    }
}
/**
 * A simple registry that maps `Components` to generated `ComponentFactory` classes
 * that can be used to create instances of components.
 * Use to obtain the factory for a given component type,
 * then use the factory's `create()` method to create a component of that type.
 *
 * @see [Dynamic Components](guide/dynamic-component-loader)
 * @see [Usage Example](guide/dynamic-component-loader#resolving-components)
 * @see <live-example name="dynamic-component-loader" noDownload></live-example>
of the code in this cookbook
 * @publicApi
 */
class ComponentFactoryResolver {
}
ComponentFactoryResolver.NULL = new _NullComponentFactoryResolver();
class CodegenComponentFactoryResolver {
    constructor(factories, _parent, _ngModule) {
        this._parent = _parent;
        this._ngModule = _ngModule;
        this._factories = new Map();
        for (let i = 0; i < factories.length; i++) {
            const factory = factories[i];
            this._factories.set(factory.componentType, factory);
        }
    }
    resolveComponentFactory(component) {
        let factory = this._factories.get(component);
        if (!factory && this._parent) {
            factory = this._parent.resolveComponentFactory(component);
        }
        if (!factory) {
            throw noComponentFactoryError(component);
        }
        return new ComponentFactoryBoundToModule(factory, this._ngModule);
    }
}
class ComponentFactoryBoundToModule extends ComponentFactory {
    constructor(factory, ngModule) {
        super();
        this.factory = factory;
        this.ngModule = ngModule;
        this.selector = factory.selector;
        this.componentType = factory.componentType;
        this.ngContentSelectors = factory.ngContentSelectors;
        this.inputs = factory.inputs;
        this.outputs = factory.outputs;
    }
    create(injector, projectableNodes, rootSelectorOrNode, ngModule) {
        return this.factory.create(injector, projectableNodes, rootSelectorOrNode, ngModule || this.ngModule);
    }
}

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
function noop(...args) {
    // Do nothing.
}

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
/**
 * Creates an ElementRef from the most recent node.
 *
 * @returns The ElementRef instance to use
 */
function injectElementRef() {
    return createElementRef(getCurrentTNode(), getLView());
}
/**
 * Creates an ElementRef given a node.
 *
 * @param tNode The node for which you'd like an ElementRef
 * @param lView The view to which the node belongs
 * @returns The ElementRef instance to use
 */
function createElementRef(tNode, lView) {
    return new ElementRef(getNativeByTNode(tNode, lView));
}
const SWITCH_ELEMENT_REF_FACTORY__POST_R3__ = injectElementRef;
const SWITCH_ELEMENT_REF_FACTORY__PRE_R3__ = noop;
const SWITCH_ELEMENT_REF_FACTORY = SWITCH_ELEMENT_REF_FACTORY__POST_R3__;
/**
 * A wrapper around a native element inside of a View.
 *
 * An `ElementRef` is backed by a render-specific element. In the browser, this is usually a DOM
 * element.
 *
 * @security Permitting direct access to the DOM can make your application more vulnerable to
 * XSS attacks. Carefully review any use of `ElementRef` in your code. For more detail, see the
 * [Security Guide](https://g.co/ng/security).
 *
 * @publicApi
 */
// Note: We don't expose things like `Injector`, `ViewContainer`, ... here,
// i.e. users have to ask for what they need. With that, we can build better analysis tools
// and could do better codegen in the future.
class ElementRef {
    constructor(nativeElement) {
        this.nativeElement = nativeElement;
    }
}
/**
 * @internal
 * @nocollapse
 */
ElementRef.__NG_ELEMENT_ID__ = SWITCH_ELEMENT_REF_FACTORY;
/**
 * Unwraps `ElementRef` and return the `nativeElement`.
 *
 * @param value value to unwrap
 * @returns `nativeElement` if `ElementRef` otherwise returns value as is.
 */
function unwrapElementRef(value) {
    return value instanceof ElementRef ? value.nativeElement : value;
}

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
const Renderer2Interceptor = new InjectionToken('Renderer2Interceptor');
/**
 * Creates and initializes a custom renderer that implements the `Renderer2` base class.
 *
 * @publicApi
 */
class RendererFactory2 {
}
/**
 * Extend this base class to implement custom rendering. By default, Angular
 * renders a template into DOM. You can use custom rendering to intercept
 * rendering calls, or to render to something other than DOM.
 *
 * Create your custom renderer using `RendererFactory2`.
 *
 * Use a custom renderer to bypass Angular's templating and
 * make custom UI changes that can't be expressed declaratively.
 * For example if you need to set a property or an attribute whose name is
 * not statically known, use the `setProperty()` or
 * `setAttribute()` method.
 *
 * @publicApi
 */
class Renderer2 {
}
/**
 * @internal
 * @nocollapse
 */
Renderer2.__NG_ELEMENT_ID__ = () => SWITCH_RENDERER2_FACTORY();
const SWITCH_RENDERER2_FACTORY__POST_R3__ = injectRenderer2;
const SWITCH_RENDERER2_FACTORY__PRE_R3__ = noop;
const SWITCH_RENDERER2_FACTORY = SWITCH_RENDERER2_FACTORY__POST_R3__;
/** Returns a Renderer2 (or throws when application was bootstrapped with Renderer3) */
function getOrCreateRenderer2(lView) {
    const renderer = lView[RENDERER];
    if (ngDevMode && !isProceduralRenderer(renderer)) {
        throw new Error('Cannot inject Renderer2 when the application uses Renderer3!');
    }
    return renderer;
}
/** Injects a Renderer2 for the current component. */
function injectRenderer2() {
    // We need the Renderer to be based on the component that it's being injected into, however since
    // DI happens before we've entered its view, `getLView` will return the parent view instead.
    const lView = getLView();
    const tNode = getCurrentTNode();
    const nodeAtIndex = getComponentLViewByIndex(tNode.index, lView);
    return getOrCreateRenderer2(isLView(nodeAtIndex) ? nodeAtIndex : lView);
}

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
/**
 * Sanitizer is used by the views to sanitize potentially dangerous values.
 *
 * @publicApi
 */
class Sanitizer {
}
/** @nocollapse */
Sanitizer.ɵprov = ɵɵdefineInjectable({
    token: Sanitizer,
    providedIn: 'root',
    factory: () => null,
});

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
/**
 * @description Represents the version of Angular
 *
 * @publicApi
 */
class Version {
    constructor(full) {
        this.full = full;
        this.major = full.split('.')[0];
        this.minor = full.split('.')[1];
        this.patch = full.split('.').slice(2).join('.');
    }
}
/**
 * @publicApi
 */
const VERSION = new Version('12.1.5');

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
class DefaultIterableDifferFactory {
    constructor() { }
    supports(obj) {
        return isListLikeIterable(obj);
    }
    create(trackByFn) {
        return new DefaultIterableDiffer(trackByFn);
    }
}
const trackByIdentity = (index, item) => item;
const ɵ0$b = trackByIdentity;
/**
 * @deprecated v4.0.0 - Should not be part of public API.
 * @publicApi
 */
class DefaultIterableDiffer {
    constructor(trackByFn) {
        this.length = 0;
        // Keeps track of the used records at any point in time (during & across `_check()` calls)
        this._linkedRecords = null;
        // Keeps track of the removed records at any point in time during `_check()` calls.
        this._unlinkedRecords = null;
        this._previousItHead = null;
        this._itHead = null;
        this._itTail = null;
        this._additionsHead = null;
        this._additionsTail = null;
        this._movesHead = null;
        this._movesTail = null;
        this._removalsHead = null;
        this._removalsTail = null;
        // Keeps track of records where custom track by is the same, but item identity has changed
        this._identityChangesHead = null;
        this._identityChangesTail = null;
        this._trackByFn = trackByFn || trackByIdentity;
    }
    forEachItem(fn) {
        let record;
        for (record = this._itHead; record !== null; record = record._next) {
            fn(record);
        }
    }
    forEachOperation(fn) {
        let nextIt = this._itHead;
        let nextRemove = this._removalsHead;
        let addRemoveOffset = 0;
        let moveOffsets = null;
        while (nextIt || nextRemove) {
            // Figure out which is the next record to process
            // Order: remove, add, move
            const record = !nextRemove ||
                nextIt &&
                    nextIt.currentIndex <
                        getPreviousIndex(nextRemove, addRemoveOffset, moveOffsets) ?
                nextIt :
                nextRemove;
            const adjPreviousIndex = getPreviousIndex(record, addRemoveOffset, moveOffsets);
            const currentIndex = record.currentIndex;
            // consume the item, and adjust the addRemoveOffset and update moveDistance if necessary
            if (record === nextRemove) {
                addRemoveOffset--;
                nextRemove = nextRemove._nextRemoved;
            }
            else {
                nextIt = nextIt._next;
                if (record.previousIndex == null) {
                    addRemoveOffset++;
                }
                else {
                    // INVARIANT:  currentIndex < previousIndex
                    if (!moveOffsets)
                        moveOffsets = [];
                    const localMovePreviousIndex = adjPreviousIndex - addRemoveOffset;
                    const localCurrentIndex = currentIndex - addRemoveOffset;
                    if (localMovePreviousIndex != localCurrentIndex) {
                        for (let i = 0; i < localMovePreviousIndex; i++) {
                            const offset = i < moveOffsets.length ? moveOffsets[i] : (moveOffsets[i] = 0);
                            const index = offset + i;
                            if (localCurrentIndex <= index && index < localMovePreviousIndex) {
                                moveOffsets[i] = offset + 1;
                            }
                        }
                        const previousIndex = record.previousIndex;
                        moveOffsets[previousIndex] = localCurrentIndex - localMovePreviousIndex;
                    }
                }
            }
            if (adjPreviousIndex !== currentIndex) {
                fn(record, adjPreviousIndex, currentIndex);
            }
        }
    }
    forEachPreviousItem(fn) {
        let record;
        for (record = this._previousItHead; record !== null; record = record._nextPrevious) {
            fn(record);
        }
    }
    forEachAddedItem(fn) {
        let record;
        for (record = this._additionsHead; record !== null; record = record._nextAdded) {
            fn(record);
        }
    }
    forEachMovedItem(fn) {
        let record;
        for (record = this._movesHead; record !== null; record = record._nextMoved) {
            fn(record);
        }
    }
    forEachRemovedItem(fn) {
        let record;
        for (record = this._removalsHead; record !== null; record = record._nextRemoved) {
            fn(record);
        }
    }
    forEachIdentityChange(fn) {
        let record;
        for (record = this._identityChangesHead; record !== null; record = record._nextIdentityChange) {
            fn(record);
        }
    }
    diff(collection) {
        if (collection == null)
            collection = [];
        if (!isListLikeIterable(collection)) {
            throw new Error(`Error trying to diff '${stringify(collection)}'. Only arrays and iterables are allowed`);
        }
        if (this.check(collection)) {
            return this;
        }
        else {
            return null;
        }
    }
    onDestroy() { }
    check(collection) {
        this._reset();
        let record = this._itHead;
        let mayBeDirty = false;
        let index;
        let item;
        let itemTrackBy;
        if (Array.isArray(collection)) {
            this.length = collection.length;
            for (let index = 0; index < this.length; index++) {
                item = collection[index];
                itemTrackBy = this._trackByFn(index, item);
                if (record === null || !Object.is(record.trackById, itemTrackBy)) {
                    record = this._mismatch(record, item, itemTrackBy, index);
                    mayBeDirty = true;
                }
                else {
                    if (mayBeDirty) {
                        // TODO(misko): can we limit this to duplicates only?
                        record = this._verifyReinsertion(record, item, itemTrackBy, index);
                    }
                    if (!Object.is(record.item, item))
                        this._addIdentityChange(record, item);
                }
                record = record._next;
            }
        }
        else {
            index = 0;
            iterateListLike(collection, (item) => {
                itemTrackBy = this._trackByFn(index, item);
                if (record === null || !Object.is(record.trackById, itemTrackBy)) {
                    record = this._mismatch(record, item, itemTrackBy, index);
                    mayBeDirty = true;
                }
                else {
                    if (mayBeDirty) {
                        // TODO(misko): can we limit this to duplicates only?
                        record = this._verifyReinsertion(record, item, itemTrackBy, index);
                    }
                    if (!Object.is(record.item, item))
                        this._addIdentityChange(record, item);
                }
                record = record._next;
                index++;
            });
            this.length = index;
        }
        this._truncate(record);
        this.collection = collection;
        return this.isDirty;
    }
    /* CollectionChanges is considered dirty if it has any additions, moves, removals, or identity
     * changes.
     */
    get isDirty() {
        return this._additionsHead !== null || this._movesHead !== null ||
            this._removalsHead !== null || this._identityChangesHead !== null;
    }
    /**
     * Reset the state of the change objects to show no changes. This means set previousKey to
     * currentKey, and clear all of the queues (additions, moves, removals).
     * Set the previousIndexes of moved and added items to their currentIndexes
     * Reset the list of additions, moves and removals
     *
     * @internal
     */
    _reset() {
        if (this.isDirty) {
            let record;
            for (record = this._previousItHead = this._itHead; record !== null; record = record._next) {
                record._nextPrevious = record._next;
            }
            for (record = this._additionsHead; record !== null; record = record._nextAdded) {
                record.previousIndex = record.currentIndex;
            }
            this._additionsHead = this._additionsTail = null;
            for (record = this._movesHead; record !== null; record = record._nextMoved) {
                record.previousIndex = record.currentIndex;
            }
            this._movesHead = this._movesTail = null;
            this._removalsHead = this._removalsTail = null;
            this._identityChangesHead = this._identityChangesTail = null;
            // TODO(vicb): when assert gets supported
            // assert(!this.isDirty);
        }
    }
    /**
     * This is the core function which handles differences between collections.
     *
     * - `record` is the record which we saw at this position last time. If null then it is a new
     *   item.
     * - `item` is the current item in the collection
     * - `index` is the position of the item in the collection
     *
     * @internal
     */
    _mismatch(record, item, itemTrackBy, index) {
        // The previous record after which we will append the current one.
        let previousRecord;
        if (record === null) {
            previousRecord = this._itTail;
        }
        else {
            previousRecord = record._prev;
            // Remove the record from the collection since we know it does not match the item.
            this._remove(record);
        }
        // See if we have evicted the item, which used to be at some anterior position of _itHead list.
        record = this._unlinkedRecords === null ? null : this._unlinkedRecords.get(itemTrackBy, null);
        if (record !== null) {
            // It is an item which we have evicted earlier: reinsert it back into the list.
            // But first we need to check if identity changed, so we can update in view if necessary.
            if (!Object.is(record.item, item))
                this._addIdentityChange(record, item);
            this._reinsertAfter(record, previousRecord, index);
        }
        else {
            // Attempt to see if the item is at some posterior position of _itHead list.
            record = this._linkedRecords === null ? null : this._linkedRecords.get(itemTrackBy, index);
            if (record !== null) {
                // We have the item in _itHead at/after `index` position. We need to move it forward in the
                // collection.
                // But first we need to check if identity changed, so we can update in view if necessary.
                if (!Object.is(record.item, item))
                    this._addIdentityChange(record, item);
                this._moveAfter(record, previousRecord, index);
            }
            else {
                // It is a new item: add it.
                record =
                    this._addAfter(new IterableChangeRecord_(item, itemTrackBy), previousRecord, index);
            }
        }
        return record;
    }
    /**
     * This check is only needed if an array contains duplicates. (Short circuit of nothing dirty)
     *
     * Use case: `[a, a]` => `[b, a, a]`
     *
     * If we did not have this check then the insertion of `b` would:
     *   1) evict first `a`
     *   2) insert `b` at `0` index.
     *   3) leave `a` at index `1` as is. <-- this is wrong!
     *   3) reinsert `a` at index 2. <-- this is wrong!
     *
     * The correct behavior is:
     *   1) evict first `a`
     *   2) insert `b` at `0` index.
     *   3) reinsert `a` at index 1.
     *   3) move `a` at from `1` to `2`.
     *
     *
     * Double check that we have not evicted a duplicate item. We need to check if the item type may
     * have already been removed:
     * The insertion of b will evict the first 'a'. If we don't reinsert it now it will be reinserted
     * at the end. Which will show up as the two 'a's switching position. This is incorrect, since a
     * better way to think of it is as insert of 'b' rather then switch 'a' with 'b' and then add 'a'
     * at the end.
     *
     * @internal
     */
    _verifyReinsertion(record, item, itemTrackBy, index) {
        let reinsertRecord = this._unlinkedRecords === null ? null : this._unlinkedRecords.get(itemTrackBy, null);
        if (reinsertRecord !== null) {
            record = this._reinsertAfter(reinsertRecord, record._prev, index);
        }
        else if (record.currentIndex != index) {
            record.currentIndex = index;
            this._addToMoves(record, index);
        }
        return record;
    }
    /**
     * Get rid of any excess {@link IterableChangeRecord_}s from the previous collection
     *
     * - `record` The first excess {@link IterableChangeRecord_}.
     *
     * @internal
     */
    _truncate(record) {
        // Anything after that needs to be removed;
        while (record !== null) {
            const nextRecord = record._next;
            this._addToRemovals(this._unlink(record));
            record = nextRecord;
        }
        if (this._unlinkedRecords !== null) {
            this._unlinkedRecords.clear();
        }
        if (this._additionsTail !== null) {
            this._additionsTail._nextAdded = null;
        }
        if (this._movesTail !== null) {
            this._movesTail._nextMoved = null;
        }
        if (this._itTail !== null) {
            this._itTail._next = null;
        }
        if (this._removalsTail !== null) {
            this._removalsTail._nextRemoved = null;
        }
        if (this._identityChangesTail !== null) {
            this._identityChangesTail._nextIdentityChange = null;
        }
    }
    /** @internal */
    _reinsertAfter(record, prevRecord, index) {
        if (this._unlinkedRecords !== null) {
            this._unlinkedRecords.remove(record);
        }
        const prev = record._prevRemoved;
        const next = record._nextRemoved;
        if (prev === null) {
            this._removalsHead = next;
        }
        else {
            prev._nextRemoved = next;
        }
        if (next === null) {
            this._removalsTail = prev;
        }
        else {
            next._prevRemoved = prev;
        }
        this._insertAfter(record, prevRecord, index);
        this._addToMoves(record, index);
        return record;
    }
    /** @internal */
    _moveAfter(record, prevRecord, index) {
        this._unlink(record);
        this._insertAfter(record, prevRecord, index);
        this._addToMoves(record, index);
        return record;
    }
    /** @internal */
    _addAfter(record, prevRecord, index) {
        this._insertAfter(record, prevRecord, index);
        if (this._additionsTail === null) {
            // TODO(vicb):
            // assert(this._additionsHead === null);
            this._additionsTail = this._additionsHead = record;
        }
        else {
            // TODO(vicb):
            // assert(_additionsTail._nextAdded === null);
            // assert(record._nextAdded === null);
            this._additionsTail = this._additionsTail._nextAdded = record;
        }
        return record;
    }
    /** @internal */
    _insertAfter(record, prevRecord, index) {
        // TODO(vicb):
        // assert(record != prevRecord);
        // assert(record._next === null);
        // assert(record._prev === null);
        const next = prevRecord === null ? this._itHead : prevRecord._next;
        // TODO(vicb):
        // assert(next != record);
        // assert(prevRecord != record);
        record._next = next;
        record._prev = prevRecord;
        if (next === null) {
            this._itTail = record;
        }
        else {
            next._prev = record;
        }
        if (prevRecord === null) {
            this._itHead = record;
        }
        else {
            prevRecord._next = record;
        }
        if (this._linkedRecords === null) {
            this._linkedRecords = new _DuplicateMap();
        }
        this._linkedRecords.put(record);
        record.currentIndex = index;
        return record;
    }
    /** @internal */
    _remove(record) {
        return this._addToRemovals(this._unlink(record));
    }
    /** @internal */
    _unlink(record) {
        if (this._linkedRecords !== null) {
            this._linkedRecords.remove(record);
        }
        const prev = record._prev;
        const next = record._next;
        // TODO(vicb):
        // assert((record._prev = null) === null);
        // assert((record._next = null) === null);
        if (prev === null) {
            this._itHead = next;
        }
        else {
            prev._next = next;
        }
        if (next === null) {
            this._itTail = prev;
        }
        else {
            next._prev = prev;
        }
        return record;
    }
    /** @internal */
    _addToMoves(record, toIndex) {
        // TODO(vicb):
        // assert(record._nextMoved === null);
        if (record.previousIndex === toIndex) {
            return record;
        }
        if (this._movesTail === null) {
            // TODO(vicb):
            // assert(_movesHead === null);
            this._movesTail = this._movesHead = record;
        }
        else {
            // TODO(vicb):
            // assert(_movesTail._nextMoved === null);
            this._movesTail = this._movesTail._nextMoved = record;
        }
        return record;
    }
    _addToRemovals(record) {
        if (this._unlinkedRecords === null) {
            this._unlinkedRecords = new _DuplicateMap();
        }
        this._unlinkedRecords.put(record);
        record.currentIndex = null;
        record._nextRemoved = null;
        if (this._removalsTail === null) {
            // TODO(vicb):
            // assert(_removalsHead === null);
            this._removalsTail = this._removalsHead = record;
            record._prevRemoved = null;
        }
        else {
            // TODO(vicb):
            // assert(_removalsTail._nextRemoved === null);
            // assert(record._nextRemoved === null);
            record._prevRemoved = this._removalsTail;
            this._removalsTail = this._removalsTail._nextRemoved = record;
        }
        return record;
    }
    /** @internal */
    _addIdentityChange(record, item) {
        record.item = item;
        if (this._identityChangesTail === null) {
            this._identityChangesTail = this._identityChangesHead = record;
        }
        else {
            this._identityChangesTail = this._identityChangesTail._nextIdentityChange = record;
        }
        return record;
    }
}
class IterableChangeRecord_ {
    constructor(item, trackById) {
        this.item = item;
        this.trackById = trackById;
        this.currentIndex = null;
        this.previousIndex = null;
        /** @internal */
        this._nextPrevious = null;
        /** @internal */
        this._prev = null;
        /** @internal */
        this._next = null;
        /** @internal */
        this._prevDup = null;
        /** @internal */
        this._nextDup = null;
        /** @internal */
        this._prevRemoved = null;
        /** @internal */
        this._nextRemoved = null;
        /** @internal */
        this._nextAdded = null;
        /** @internal */
        this._nextMoved = null;
        /** @internal */
        this._nextIdentityChange = null;
    }
}
// A linked list of IterableChangeRecords with the same IterableChangeRecord_.item
class _DuplicateItemRecordList {
    constructor() {
        /** @internal */
        this._head = null;
        /** @internal */
        this._tail = null;
    }
    /**
     * Append the record to the list of duplicates.
     *
     * Note: by design all records in the list of duplicates hold the same value in record.item.
     */
    add(record) {
        if (this._head === null) {
            this._head = this._tail = record;
            record._nextDup = null;
            record._prevDup = null;
        }
        else {
            // TODO(vicb):
            // assert(record.item ==  _head.item ||
            //       record.item is num && record.item.isNaN && _head.item is num && _head.item.isNaN);
            this._tail._nextDup = record;
            record._prevDup = this._tail;
            record._nextDup = null;
            this._tail = record;
        }
    }
    // Returns a IterableChangeRecord_ having IterableChangeRecord_.trackById == trackById and
    // IterableChangeRecord_.currentIndex >= atOrAfterIndex
    get(trackById, atOrAfterIndex) {
        let record;
        for (record = this._head; record !== null; record = record._nextDup) {
            if ((atOrAfterIndex === null || atOrAfterIndex <= record.currentIndex) &&
                Object.is(record.trackById, trackById)) {
                return record;
            }
        }
        return null;
    }
    /**
     * Remove one {@link IterableChangeRecord_} from the list of duplicates.
     *
     * Returns whether the list of duplicates is empty.
     */
    remove(record) {
        // TODO(vicb):
        // assert(() {
        //  // verify that the record being removed is in the list.
        //  for (IterableChangeRecord_ cursor = _head; cursor != null; cursor = cursor._nextDup) {
        //    if (identical(cursor, record)) return true;
        //  }
        //  return false;
        //});
        const prev = record._prevDup;
        const next = record._nextDup;
        if (prev === null) {
            this._head = next;
        }
        else {
            prev._nextDup = next;
        }
        if (next === null) {
            this._tail = prev;
        }
        else {
            next._prevDup = prev;
        }
        return this._head === null;
    }
}
class _DuplicateMap {
    constructor() {
        this.map = new Map();
    }
    put(record) {
        const key = record.trackById;
        let duplicates = this.map.get(key);
        if (!duplicates) {
            duplicates = new _DuplicateItemRecordList();
            this.map.set(key, duplicates);
        }
        duplicates.add(record);
    }
    /**
     * Retrieve the `value` using key. Because the IterableChangeRecord_ value may be one which we
     * have already iterated over, we use the `atOrAfterIndex` to pretend it is not there.
     *
     * Use case: `[a, b, c, a, a]` if we are at index `3` which is the second `a` then asking if we
     * have any more `a`s needs to return the second `a`.
     */
    get(trackById, atOrAfterIndex) {
        const key = trackById;
        const recordList = this.map.get(key);
        return recordList ? recordList.get(trackById, atOrAfterIndex) : null;
    }
    /**
     * Removes a {@link IterableChangeRecord_} from the list of duplicates.
     *
     * The list of duplicates also is removed from the map if it gets empty.
     */
    remove(record) {
        const key = record.trackById;
        const recordList = this.map.get(key);
        // Remove the list of duplicates when it gets empty
        if (recordList.remove(record)) {
            this.map.delete(key);
        }
        return record;
    }
    get isEmpty() {
        return this.map.size === 0;
    }
    clear() {
        this.map.clear();
    }
}
function getPreviousIndex(item, addRemoveOffset, moveOffsets) {
    const previousIndex = item.previousIndex;
    if (previousIndex === null)
        return previousIndex;
    let moveOffset = 0;
    if (moveOffsets && previousIndex < moveOffsets.length) {
        moveOffset = moveOffsets[previousIndex];
    }
    return previousIndex + addRemoveOffset + moveOffset;
}

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
class DefaultKeyValueDifferFactory {
    constructor() { }
    supports(obj) {
        return obj instanceof Map || isJsObject(obj);
    }
    create() {
        return new DefaultKeyValueDiffer();
    }
}
class DefaultKeyValueDiffer {
    constructor() {
        this._records = new Map();
        this._mapHead = null;
        // _appendAfter is used in the check loop
        this._appendAfter = null;
        this._previousMapHead = null;
        this._changesHead = null;
        this._changesTail = null;
        this._additionsHead = null;
        this._additionsTail = null;
        this._removalsHead = null;
        this._removalsTail = null;
    }
    get isDirty() {
        return this._additionsHead !== null || this._changesHead !== null ||
            this._removalsHead !== null;
    }
    forEachItem(fn) {
        let record;
        for (record = this._mapHead; record !== null; record = record._next) {
            fn(record);
        }
    }
    forEachPreviousItem(fn) {
        let record;
        for (record = this._previousMapHead; record !== null; record = record._nextPrevious) {
            fn(record);
        }
    }
    forEachChangedItem(fn) {
        let record;
        for (record = this._changesHead; record !== null; record = record._nextChanged) {
            fn(record);
        }
    }
    forEachAddedItem(fn) {
        let record;
        for (record = this._additionsHead; record !== null; record = record._nextAdded) {
            fn(record);
        }
    }
    forEachRemovedItem(fn) {
        let record;
        for (record = this._removalsHead; record !== null; record = record._nextRemoved) {
            fn(record);
        }
    }
    diff(map) {
        if (!map) {
            map = new Map();
        }
        else if (!(map instanceof Map || isJsObject(map))) {
            throw new Error(`Error trying to diff '${stringify(map)}'. Only maps and objects are allowed`);
        }
        return this.check(map) ? this : null;
    }
    onDestroy() { }
    /**
     * Check the current state of the map vs the previous.
     * The algorithm is optimised for when the keys do no change.
     */
    check(map) {
        this._reset();
        let insertBefore = this._mapHead;
        this._appendAfter = null;
        this._forEach(map, (value, key) => {
            if (insertBefore && insertBefore.key === key) {
                this._maybeAddToChanges(insertBefore, value);
                this._appendAfter = insertBefore;
                insertBefore = insertBefore._next;
            }
            else {
                const record = this._getOrCreateRecordForKey(key, value);
                insertBefore = this._insertBeforeOrAppend(insertBefore, record);
            }
        });
        // Items remaining at the end of the list have been deleted
        if (insertBefore) {
            if (insertBefore._prev) {
                insertBefore._prev._next = null;
            }
            this._removalsHead = insertBefore;
            for (let record = insertBefore; record !== null; record = record._nextRemoved) {
                if (record === this._mapHead) {
                    this._mapHead = null;
                }
                this._records.delete(record.key);
                record._nextRemoved = record._next;
                record.previousValue = record.currentValue;
                record.currentValue = null;
                record._prev = null;
                record._next = null;
            }
        }
        // Make sure tails have no next records from previous runs
        if (this._changesTail)
            this._changesTail._nextChanged = null;
        if (this._additionsTail)
            this._additionsTail._nextAdded = null;
        return this.isDirty;
    }
    /**
     * Inserts a record before `before` or append at the end of the list when `before` is null.
     *
     * Notes:
     * - This method appends at `this._appendAfter`,
     * - This method updates `this._appendAfter`,
     * - The return value is the new value for the insertion pointer.
     */
    _insertBeforeOrAppend(before, record) {
        if (before) {
            const prev = before._prev;
            record._next = before;
            record._prev = prev;
            before._prev = record;
            if (prev) {
                prev._next = record;
            }
            if (before === this._mapHead) {
                this._mapHead = record;
            }
            this._appendAfter = before;
            return before;
        }
        if (this._appendAfter) {
            this._appendAfter._next = record;
            record._prev = this._appendAfter;
        }
        else {
            this._mapHead = record;
        }
        this._appendAfter = record;
        return null;
    }
    _getOrCreateRecordForKey(key, value) {
        if (this._records.has(key)) {
            const record = this._records.get(key);
            this._maybeAddToChanges(record, value);
            const prev = record._prev;
            const next = record._next;
            if (prev) {
                prev._next = next;
            }
            if (next) {
                next._prev = prev;
            }
            record._next = null;
            record._prev = null;
            return record;
        }
        const record = new KeyValueChangeRecord_(key);
        this._records.set(key, record);
        record.currentValue = value;
        this._addToAdditions(record);
        return record;
    }
    /** @internal */
    _reset() {
        if (this.isDirty) {
            let record;
            // let `_previousMapHead` contain the state of the map before the changes
            this._previousMapHead = this._mapHead;
            for (record = this._previousMapHead; record !== null; record = record._next) {
                record._nextPrevious = record._next;
            }
            // Update `record.previousValue` with the value of the item before the changes
            // We need to update all changed items (that's those which have been added and changed)
            for (record = this._changesHead; record !== null; record = record._nextChanged) {
                record.previousValue = record.currentValue;
            }
            for (record = this._additionsHead; record != null; record = record._nextAdded) {
                record.previousValue = record.currentValue;
            }
            this._changesHead = this._changesTail = null;
            this._additionsHead = this._additionsTail = null;
            this._removalsHead = null;
        }
    }
    // Add the record or a given key to the list of changes only when the value has actually changed
    _maybeAddToChanges(record, newValue) {
        if (!Object.is(newValue, record.currentValue)) {
            record.previousValue = record.currentValue;
            record.currentValue = newValue;
            this._addToChanges(record);
        }
    }
    _addToAdditions(record) {
        if (this._additionsHead === null) {
            this._additionsHead = this._additionsTail = record;
        }
        else {
            this._additionsTail._nextAdded = record;
            this._additionsTail = record;
        }
    }
    _addToChanges(record) {
        if (this._changesHead === null) {
            this._changesHead = this._changesTail = record;
        }
        else {
            this._changesTail._nextChanged = record;
            this._changesTail = record;
        }
    }
    /** @internal */
    _forEach(obj, fn) {
        if (obj instanceof Map) {
            obj.forEach(fn);
        }
        else {
            Object.keys(obj).forEach(k => fn(obj[k], k));
        }
    }
}
class KeyValueChangeRecord_ {
    constructor(key) {
        this.key = key;
        this.previousValue = null;
        this.currentValue = null;
        /** @internal */
        this._nextPrevious = null;
        /** @internal */
        this._next = null;
        /** @internal */
        this._prev = null;
        /** @internal */
        this._nextAdded = null;
        /** @internal */
        this._nextRemoved = null;
        /** @internal */
        this._nextChanged = null;
    }
}

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
function defaultIterableDiffersFactory() {
    return new IterableDiffers([new DefaultIterableDifferFactory()]);
}
/**
 * A repository of different iterable diffing strategies used by NgFor, NgClass, and others.
 *
 * @publicApi
 */
class IterableDiffers {
    constructor(factories) {
        this.factories = factories;
    }
    static create(factories, parent) {
        if (parent != null) {
            const copied = parent.factories.slice();
            factories = factories.concat(copied);
        }
        return new IterableDiffers(factories);
    }
    /**
     * Takes an array of {@link IterableDifferFactory} and returns a provider used to extend the
     * inherited {@link IterableDiffers} instance with the provided factories and return a new
     * {@link IterableDiffers} instance.
     *
     * @usageNotes
     * ### Example
     *
     * The following example shows how to extend an existing list of factories,
     * which will only be applied to the injector for this component and its children.
     * This step is all that's required to make a new {@link IterableDiffer} available.
     *
     * ```
     * @Component({
     *   viewProviders: [
     *     IterableDiffers.extend([new ImmutableListDiffer()])
     *   ]
     * })
     * ```
     */
    static extend(factories) {
        return {
            provide: IterableDiffers,
            useFactory: (parent) => {
                // if parent is null, it means that we are in the root injector and we have just overridden
                // the default injection mechanism for IterableDiffers, in such a case just assume
                // `defaultIterableDiffersFactory`.
                return IterableDiffers.create(factories, parent || defaultIterableDiffersFactory());
            },
            // Dependency technically isn't optional, but we can provide a better error message this way.
            deps: [[IterableDiffers, new SkipSelf(), new Optional()]]
        };
    }
    find(iterable) {
        const factory = this.factories.find(f => f.supports(iterable));
        if (factory != null) {
            return factory;
        }
        else {
            throw new Error(`Cannot find a differ supporting object '${iterable}' of type '${getTypeNameForDebugging(iterable)}'`);
        }
    }
}
/** @nocollapse */
IterableDiffers.ɵprov = ɵɵdefineInjectable({ token: IterableDiffers, providedIn: 'root', factory: defaultIterableDiffersFactory });
function getTypeNameForDebugging(type) {
    return type['name'] || typeof type;
}

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
function defaultKeyValueDiffersFactory() {
    return new KeyValueDiffers([new DefaultKeyValueDifferFactory()]);
}
/**
 * A repository of different Map diffing strategies used by NgClass, NgStyle, and others.
 *
 * @publicApi
 */
class KeyValueDiffers {
    constructor(factories) {
        this.factories = factories;
    }
    static create(factories, parent) {
        if (parent) {
            const copied = parent.factories.slice();
            factories = factories.concat(copied);
        }
        return new KeyValueDiffers(factories);
    }
    /**
     * Takes an array of {@link KeyValueDifferFactory} and returns a provider used to extend the
     * inherited {@link KeyValueDiffers} instance with the provided factories and return a new
     * {@link KeyValueDiffers} instance.
     *
     * @usageNotes
     * ### Example
     *
     * The following example shows how to extend an existing list of factories,
     * which will only be applied to the injector for this component and its children.
     * This step is all that's required to make a new {@link KeyValueDiffer} available.
     *
     * ```
     * @Component({
     *   viewProviders: [
     *     KeyValueDiffers.extend([new ImmutableMapDiffer()])
     *   ]
     * })
     * ```
     */
    static extend(factories) {
        return {
            provide: KeyValueDiffers,
            useFactory: (parent) => {
                // if parent is null, it means that we are in the root injector and we have just overridden
                // the default injection mechanism for KeyValueDiffers, in such a case just assume
                // `defaultKeyValueDiffersFactory`.
                return KeyValueDiffers.create(factories, parent || defaultKeyValueDiffersFactory());
            },
            // Dependency technically isn't optional, but we can provide a better error message this way.
            deps: [[KeyValueDiffers, new SkipSelf(), new Optional()]]
        };
    }
    find(kv) {
        const factory = this.factories.find(f => f.supports(kv));
        if (factory) {
            return factory;
        }
        throw new Error(`Cannot find a differ supporting object '${kv}'`);
    }
}
/** @nocollapse */
KeyValueDiffers.ɵprov = ɵɵdefineInjectable({ token: KeyValueDiffers, providedIn: 'root', factory: defaultKeyValueDiffersFactory });

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
function collectNativeNodes(tView, lView, tNode, result, isProjection = false) {
    while (tNode !== null) {
        ngDevMode &&
            assertTNodeType(tNode, 3 /* AnyRNode */ | 12 /* AnyContainer */ | 16 /* Projection */ | 32 /* Icu */);
        const lNode = lView[tNode.index];
        if (lNode !== null) {
            result.push(unwrapRNode(lNode));
        }
        // A given lNode can represent either a native node or a LContainer (when it is a host of a
        // ViewContainerRef). When we find a LContainer we need to descend into it to collect root nodes
        // from the views in this container.
        if (isLContainer(lNode)) {
            for (let i = CONTAINER_HEADER_OFFSET; i < lNode.length; i++) {
                const lViewInAContainer = lNode[i];
                const lViewFirstChildTNode = lViewInAContainer[TVIEW].firstChild;
                if (lViewFirstChildTNode !== null) {
                    collectNativeNodes(lViewInAContainer[TVIEW], lViewInAContainer, lViewFirstChildTNode, result);
                }
            }
        }
        const tNodeType = tNode.type;
        if (tNodeType & 8 /* ElementContainer */) {
            collectNativeNodes(tView, lView, tNode.child, result);
        }
        else if (tNodeType & 32 /* Icu */) {
            const nextRNode = icuContainerIterate(tNode, lView);
            let rNode;
            while (rNode = nextRNode()) {
                result.push(rNode);
            }
        }
        else if (tNodeType & 16 /* Projection */) {
            const nodesInSlot = getProjectionNodes(lView, tNode);
            if (Array.isArray(nodesInSlot)) {
                result.push(...nodesInSlot);
            }
            else {
                const parentView = getLViewParent(lView[DECLARATION_COMPONENT_VIEW]);
                ngDevMode && assertParentView(parentView);
                collectNativeNodes(parentView[TVIEW], parentView, nodesInSlot, result, true);
            }
        }
        tNode = isProjection ? tNode.projectionNext : tNode.next;
    }
    return result;
}

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
class ViewRef {
    constructor(
    /**
     * This represents `LView` associated with the component when ViewRef is a ChangeDetectorRef.
     *
     * When ViewRef is created for a dynamic component, this also represents the `LView` for the
     * component.
     *
     * For a "regular" ViewRef created for an embedded view, this is the `LView` for the embedded
     * view.
     *
     * @internal
     */
    _lView, 
    /**
     * This represents the `LView` associated with the point where `ChangeDetectorRef` was
     * requested.
     *
     * This may be different from `_lView` if the `_cdRefInjectingView` is an embedded view.
     */
    _cdRefInjectingView) {
        this._lView = _lView;
        this._cdRefInjectingView = _cdRefInjectingView;
        this._appRef = null;
        this._attachedToViewContainer = false;
    }
    get rootNodes() {
        const lView = this._lView;
        const tView = lView[TVIEW];
        return collectNativeNodes(tView, lView, tView.firstChild, []);
    }
    get context() {
        return this._lView[CONTEXT];
    }
    set context(value) {
        this._lView[CONTEXT] = value;
    }
    get destroyed() {
        return (this._lView[FLAGS] & 256 /* Destroyed */) === 256 /* Destroyed */;
    }
    destroy() {
        if (this._appRef) {
            this._appRef.detachView(this);
        }
        else if (this._attachedToViewContainer) {
            const parent = this._lView[PARENT];
            if (isLContainer(parent)) {
                const viewRefs = parent[VIEW_REFS];
                const index = viewRefs ? viewRefs.indexOf(this) : -1;
                if (index > -1) {
                    ngDevMode &&
                        assertEqual(index, parent.indexOf(this._lView) - CONTAINER_HEADER_OFFSET, 'An attached view should be in the same position within its container as its ViewRef in the VIEW_REFS array.');
                    detachView(parent, index);
                    removeFromArray(viewRefs, index);
                }
            }
            this._attachedToViewContainer = false;
        }
        destroyLView(this._lView[TVIEW], this._lView);
    }
    onDestroy(callback) {
        storeCleanupWithContext(this._lView[TVIEW], this._lView, null, callback);
    }
    /**
     * Marks a view and all of its ancestors dirty.
     *
     * This can be used to ensure an {@link ChangeDetectionStrategy#OnPush OnPush} component is
     * checked when it needs to be re-rendered but the two normal triggers haven't marked it
     * dirty (i.e. inputs haven't changed and events haven't fired in the view).
     *
     * <!-- TODO: Add a link to a chapter on OnPush components -->
     *
     * @usageNotes
     * ### Example
     *
     * ```typescript
     * @Component({
     *   selector: 'app-root',
     *   template: `Number of ticks: {{numberOfTicks}}`
     *   changeDetection: ChangeDetectionStrategy.OnPush,
     * })
     * class AppComponent {
     *   numberOfTicks = 0;
     *
     *   constructor(private ref: ChangeDetectorRef) {
     *     setInterval(() => {
     *       this.numberOfTicks++;
     *       // the following is required, otherwise the view will not be updated
     *       this.ref.markForCheck();
     *     }, 1000);
     *   }
     * }
     * ```
     */
    markForCheck() {
        markViewDirty(this._cdRefInjectingView || this._lView);
    }
    /**
     * Detaches the view from the change detection tree.
     *
     * Detached views will not be checked during change detection runs until they are
     * re-attached, even if they are dirty. `detach` can be used in combination with
     * {@link ChangeDetectorRef#detectChanges detectChanges} to implement local change
     * detection checks.
     *
     * <!-- TODO: Add a link to a chapter on detach/reattach/local digest -->
     * <!-- TODO: Add a live demo once ref.detectChanges is merged into master -->
     *
     * @usageNotes
     * ### Example
     *
     * The following example defines a component with a large list of readonly data.
     * Imagine the data changes constantly, many times per second. For performance reasons,
     * we want to check and update the list every five seconds. We can do that by detaching
     * the component's change detector and doing a local check every five seconds.
     *
     * ```typescript
     * class DataProvider {
     *   // in a real application the returned data will be different every time
     *   get data() {
     *     return [1,2,3,4,5];
     *   }
     * }
     *
     * @Component({
     *   selector: 'giant-list',
     *   template: `
     *     <li *ngFor="let d of dataProvider.data">Data {{d}}</li>
     *   `,
     * })
     * class GiantList {
     *   constructor(private ref: ChangeDetectorRef, private dataProvider: DataProvider) {
     *     ref.detach();
     *     setInterval(() => {
     *       this.ref.detectChanges();
     *     }, 5000);
     *   }
     * }
     *
     * @Component({
     *   selector: 'app',
     *   providers: [DataProvider],
     *   template: `
     *     <giant-list><giant-list>
     *   `,
     * })
     * class App {
     * }
     * ```
     */
    detach() {
        this._lView[FLAGS] &= ~128 /* Attached */;
    }
    /**
     * Re-attaches a view to the change detection tree.
     *
     * This can be used to re-attach views that were previously detached from the tree
     * using {@link ChangeDetectorRef#detach detach}. Views are attached to the tree by default.
     *
     * <!-- TODO: Add a link to a chapter on detach/reattach/local digest -->
     *
     * @usageNotes
     * ### Example
     *
     * The following example creates a component displaying `live` data. The component will detach
     * its change detector from the main change detector tree when the component's live property
     * is set to false.
     *
     * ```typescript
     * class DataProvider {
     *   data = 1;
     *
     *   constructor() {
     *     setInterval(() => {
     *       this.data = this.data * 2;
     *     }, 500);
     *   }
     * }
     *
     * @Component({
     *   selector: 'live-data',
     *   inputs: ['live'],
     *   template: 'Data: {{dataProvider.data}}'
     * })
     * class LiveData {
     *   constructor(private ref: ChangeDetectorRef, private dataProvider: DataProvider) {}
     *
     *   set live(value) {
     *     if (value) {
     *       this.ref.reattach();
     *     } else {
     *       this.ref.detach();
     *     }
     *   }
     * }
     *
     * @Component({
     *   selector: 'app-root',
     *   providers: [DataProvider],
     *   template: `
     *     Live Update: <input type="checkbox" [(ngModel)]="live">
     *     <live-data [live]="live"><live-data>
     *   `,
     * })
     * class AppComponent {
     *   live = true;
     * }
     * ```
     */
    reattach() {
        this._lView[FLAGS] |= 128 /* Attached */;
    }
    /**
     * Checks the view and its children.
     *
     * This can also be used in combination with {@link ChangeDetectorRef#detach detach} to implement
     * local change detection checks.
     *
     * <!-- TODO: Add a link to a chapter on detach/reattach/local digest -->
     * <!-- TODO: Add a live demo once ref.detectChanges is merged into master -->
     *
     * @usageNotes
     * ### Example
     *
     * The following example defines a component with a large list of readonly data.
     * Imagine, the data changes constantly, many times per second. For performance reasons,
     * we want to check and update the list every five seconds.
     *
     * We can do that by detaching the component's change detector and doing a local change detection
     * check every five seconds.
     *
     * See {@link ChangeDetectorRef#detach detach} for more information.
     */
    detectChanges() {
        detectChangesInternal(this._lView[TVIEW], this._lView, this.context);
    }
    /**
     * Checks the change detector and its children, and throws if any changes are detected.
     *
     * This is used in development mode to verify that running change detection doesn't
     * introduce other changes.
     */
    checkNoChanges() {
        checkNoChangesInternal(this._lView[TVIEW], this._lView, this.context);
    }
    attachToViewContainerRef() {
        if (this._appRef) {
            throw new Error('This view is already attached directly to the ApplicationRef!');
        }
        this._attachedToViewContainer = true;
    }
    detachFromAppRef() {
        this._appRef = null;
        renderDetachView(this._lView[TVIEW], this._lView);
    }
    attachToAppRef(appRef) {
        if (this._attachedToViewContainer) {
            throw new Error('This view is already attached to a ViewContainer!');
        }
        this._appRef = appRef;
    }
}
/** @internal */
class RootViewRef extends ViewRef {
    constructor(_view) {
        super(_view);
        this._view = _view;
    }
    detectChanges() {
        detectChangesInRootView(this._view);
    }
    checkNoChanges() {
        checkNoChangesInRootView(this._view);
    }
    get context() {
        return null;
    }
}

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
const SWITCH_CHANGE_DETECTOR_REF_FACTORY__POST_R3__ = injectChangeDetectorRef;
const SWITCH_CHANGE_DETECTOR_REF_FACTORY__PRE_R3__ = noop;
const SWITCH_CHANGE_DETECTOR_REF_FACTORY = SWITCH_CHANGE_DETECTOR_REF_FACTORY__POST_R3__;
/**
 * Base class that provides change detection functionality.
 * A change-detection tree collects all views that are to be checked for changes.
 * Use the methods to add and remove views from the tree, initiate change-detection,
 * and explicitly mark views as _dirty_, meaning that they have changed and need to be re-rendered.
 *
 * @see [Using change detection hooks](guide/lifecycle-hooks#using-change-detection-hooks)
 * @see [Defining custom change detection](guide/lifecycle-hooks#defining-custom-change-detection)
 *
 * @usageNotes
 *
 * The following examples demonstrate how to modify default change-detection behavior
 * to perform explicit detection when needed.
 *
 * ### Use `markForCheck()` with `CheckOnce` strategy
 *
 * The following example sets the `OnPush` change-detection strategy for a component
 * (`CheckOnce`, rather than the default `CheckAlways`), then forces a second check
 * after an interval. See [live demo](https://plnkr.co/edit/GC512b?p=preview).
 *
 * <code-example path="core/ts/change_detect/change-detection.ts"
 * region="mark-for-check"></code-example>
 *
 * ### Detach change detector to limit how often check occurs
 *
 * The following example defines a component with a large list of read-only data
 * that is expected to change constantly, many times per second.
 * To improve performance, we want to check and update the list
 * less often than the changes actually occur. To do that, we detach
 * the component's change detector and perform an explicit local check every five seconds.
 *
 * <code-example path="core/ts/change_detect/change-detection.ts" region="detach"></code-example>
 *
 *
 * ### Reattaching a detached component
 *
 * The following example creates a component displaying live data.
 * The component detaches its change detector from the main change detector tree
 * when the `live` property is set to false, and reattaches it when the property
 * becomes true.
 *
 * <code-example path="core/ts/change_detect/change-detection.ts" region="reattach"></code-example>
 *
 * @publicApi
 */
class ChangeDetectorRef {
}
/**
 * @internal
 * @nocollapse
 */
ChangeDetectorRef.__NG_ELEMENT_ID__ = SWITCH_CHANGE_DETECTOR_REF_FACTORY;
/** Returns a ChangeDetectorRef (a.k.a. a ViewRef) */
function injectChangeDetectorRef(flags) {
    return createViewRef(getCurrentTNode(), getLView(), (flags & 16 /* ForPipe */) === 16 /* ForPipe */);
}
/**
 * Creates a ViewRef and stores it on the injector as ChangeDetectorRef (public alias).
 *
 * @param tNode The node that is requesting a ChangeDetectorRef
 * @param lView The view to which the node belongs
 * @param isPipe Whether the view is being injected into a pipe.
 * @returns The ChangeDetectorRef to use
 */
function createViewRef(tNode, lView, isPipe) {
    if (isComponentHost(tNode) && !isPipe) {
        // The LView represents the location where the component is declared.
        // Instead we want the LView for the component View and so we need to look it up.
        const componentView = getComponentLViewByIndex(tNode.index, lView); // look down
        return new ViewRef(componentView, componentView);
    }
    else if (tNode.type & (3 /* AnyRNode */ | 12 /* AnyContainer */ | 32 /* Icu */)) {
        // The LView represents the location where the injection is requested from.
        // We need to locate the containing LView (in case where the `lView` is an embedded view)
        const hostComponentView = lView[DECLARATION_COMPONENT_VIEW]; // look up
        return new ViewRef(hostComponentView, lView);
    }
    return null;
}

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
/**
 * Structural diffing for `Object`s and `Map`s.
 */
const keyValDiff = [new DefaultKeyValueDifferFactory()];
/**
 * Structural diffing for `Iterable` types such as `Array`s.
 */
const iterableDiff = [new DefaultIterableDifferFactory()];
const defaultIterableDiffers = new IterableDiffers(iterableDiff);
const defaultKeyValueDiffers = new KeyValueDiffers(keyValDiff);

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
const SWITCH_TEMPLATE_REF_FACTORY__POST_R3__ = injectTemplateRef;
const SWITCH_TEMPLATE_REF_FACTORY__PRE_R3__ = noop;
const SWITCH_TEMPLATE_REF_FACTORY = SWITCH_TEMPLATE_REF_FACTORY__POST_R3__;
/**
 * Represents an embedded template that can be used to instantiate embedded views.
 * To instantiate embedded views based on a template, use the `ViewContainerRef`
 * method `createEmbeddedView()`.
 *
 * Access a `TemplateRef` instance by placing a directive on an `<ng-template>`
 * element (or directive prefixed with `*`). The `TemplateRef` for the embedded view
 * is injected into the constructor of the directive,
 * using the `TemplateRef` token.
 *
 * You can also use a `Query` to find a `TemplateRef` associated with
 * a component or a directive.
 *
 * @see `ViewContainerRef`
 * @see [Navigate the Component Tree with DI](guide/dependency-injection-navtree)
 *
 * @publicApi
 */
class TemplateRef {
}
/**
 * @internal
 * @nocollapse
 */
TemplateRef.__NG_ELEMENT_ID__ = SWITCH_TEMPLATE_REF_FACTORY;
const ViewEngineTemplateRef = TemplateRef;
const R3TemplateRef = class TemplateRef extends ViewEngineTemplateRef {
    constructor(_declarationLView, _declarationTContainer, elementRef) {
        super();
        this._declarationLView = _declarationLView;
        this._declarationTContainer = _declarationTContainer;
        this.elementRef = elementRef;
    }
    createEmbeddedView(context) {
        const embeddedTView = this._declarationTContainer.tViews;
        const embeddedLView = createLView(this._declarationLView, embeddedTView, context, 16 /* CheckAlways */, null, embeddedTView.declTNode, null, null, null, null);
        const declarationLContainer = this._declarationLView[this._declarationTContainer.index];
        ngDevMode && assertLContainer(declarationLContainer);
        embeddedLView[DECLARATION_LCONTAINER] = declarationLContainer;
        const declarationViewLQueries = this._declarationLView[QUERIES];
        if (declarationViewLQueries !== null) {
            embeddedLView[QUERIES] = declarationViewLQueries.createEmbeddedView(embeddedTView);
        }
        renderView(embeddedTView, embeddedLView, context);
        return new ViewRef(embeddedLView);
    }
};
/**
 * Creates a TemplateRef given a node.
 *
 * @returns The TemplateRef instance to use
 */
function injectTemplateRef() {
    return createTemplateRef(getCurrentTNode(), getLView());
}
/**
 * Creates a TemplateRef and stores it on the injector.
 *
 * @param hostTNode The node on which a TemplateRef is requested
 * @param hostLView The `LView` to which the node belongs
 * @returns The TemplateRef instance or null if we can't create a TemplateRef on a given node type
 */
function createTemplateRef(hostTNode, hostLView) {
    if (hostTNode.type & 4 /* Container */) {
        ngDevMode && assertDefined(hostTNode.tViews, 'TView must be allocated');
        return new R3TemplateRef(hostLView, hostTNode, createElementRef(hostTNode, hostLView));
    }
    return null;
}

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
/**
 * Represents an instance of an `NgModule` created by an `NgModuleFactory`.
 * Provides access to the `NgModule` instance and related objects.
 *
 * @publicApi
 */
class NgModuleRef {
}
/**
 * @publicApi
 */
class NgModuleFactory {
}

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
const SWITCH_VIEW_CONTAINER_REF_FACTORY__POST_R3__ = injectViewContainerRef;
const SWITCH_VIEW_CONTAINER_REF_FACTORY__PRE_R3__ = noop;
const SWITCH_VIEW_CONTAINER_REF_FACTORY = SWITCH_VIEW_CONTAINER_REF_FACTORY__POST_R3__;
/**
 * Represents a container where one or more views can be attached to a component.
 *
 * Can contain *host views* (created by instantiating a
 * component with the `createComponent()` method), and *embedded views*
 * (created by instantiating a `TemplateRef` with the `createEmbeddedView()` method).
 *
 * A view container instance can contain other view containers,
 * creating a [view hierarchy](guide/glossary#view-tree).
 *
 * @see `ComponentRef`
 * @see `EmbeddedViewRef`
 *
 * @publicApi
 */
class ViewContainerRef {
}
/**
 * @internal
 * @nocollapse
 */
ViewContainerRef.__NG_ELEMENT_ID__ = SWITCH_VIEW_CONTAINER_REF_FACTORY;
/**
 * Creates a ViewContainerRef and stores it on the injector. Or, if the ViewContainerRef
 * already exists, retrieves the existing ViewContainerRef.
 *
 * @returns The ViewContainerRef instance to use
 */
function injectViewContainerRef() {
    const previousTNode = getCurrentTNode();
    return createContainerRef(previousTNode, getLView());
}
const VE_ViewContainerRef = ViewContainerRef;
const R3ViewContainerRef = class ViewContainerRef extends VE_ViewContainerRef {
    constructor(_lContainer, _hostTNode, _hostLView) {
        super();
        this._lContainer = _lContainer;
        this._hostTNode = _hostTNode;
        this._hostLView = _hostLView;
    }
    get element() {
        return createElementRef(this._hostTNode, this._hostLView);
    }
    get injector() {
        return new NodeInjector(this._hostTNode, this._hostLView);
    }
    /** @deprecated No replacement */
    get parentInjector() {
        const parentLocation = getParentInjectorLocation(this._hostTNode, this._hostLView);
        if (hasParentInjector(parentLocation)) {
            const parentView = getParentInjectorView(parentLocation, this._hostLView);
            const injectorIndex = getParentInjectorIndex(parentLocation);
            ngDevMode && assertNodeInjector(parentView, injectorIndex);
            const parentTNode = parentView[TVIEW].data[injectorIndex + 8 /* TNODE */];
            return new NodeInjector(parentTNode, parentView);
        }
        else {
            return new NodeInjector(null, this._hostLView);
        }
    }
    clear() {
        while (this.length > 0) {
            this.remove(this.length - 1);
        }
    }
    get(index) {
        const viewRefs = getViewRefs(this._lContainer);
        return viewRefs !== null && viewRefs[index] || null;
    }
    get length() {
        return this._lContainer.length - CONTAINER_HEADER_OFFSET;
    }
    createEmbeddedView(templateRef, context, index) {
        const viewRef = templateRef.createEmbeddedView(context || {});
        this.insert(viewRef, index);
        return viewRef;
    }
    createComponent(componentFactory, index, injector, projectableNodes, ngModuleRef) {
        const contextInjector = injector || this.parentInjector;
        if (!ngModuleRef && componentFactory.ngModule == null && contextInjector) {
            // DO NOT REFACTOR. The code here used to have a `value || undefined` expression
            // which seems to cause internal google apps to fail. This is documented in the
            // following internal bug issue: go/b/142967802
            const result = contextInjector.get(NgModuleRef, null);
            if (result) {
                ngModuleRef = result;
            }
        }
        const componentRef = componentFactory.create(contextInjector, projectableNodes, undefined, ngModuleRef);
        this.insert(componentRef.hostView, index);
        return componentRef;
    }
    insert(viewRef, index) {
        const lView = viewRef._lView;
        const tView = lView[TVIEW];
        if (ngDevMode && viewRef.destroyed) {
            throw new Error('Cannot insert a destroyed View in a ViewContainer!');
        }
        if (viewAttachedToContainer(lView)) {
            // If view is already attached, detach it first so we clean up references appropriately.
            const prevIdx = this.indexOf(viewRef);
            // A view might be attached either to this or a different container. The `prevIdx` for
            // those cases will be:
            // equal to -1 for views attached to this ViewContainerRef
            // >= 0 for views attached to a different ViewContainerRef
            if (prevIdx !== -1) {
                this.detach(prevIdx);
            }
            else {
                const prevLContainer = lView[PARENT];
                ngDevMode &&
                    assertEqual(isLContainer(prevLContainer), true, 'An attached view should have its PARENT point to a container.');
                // We need to re-create a R3ViewContainerRef instance since those are not stored on
                // LView (nor anywhere else).
                const prevVCRef = new R3ViewContainerRef(prevLContainer, prevLContainer[T_HOST], prevLContainer[PARENT]);
                prevVCRef.detach(prevVCRef.indexOf(viewRef));
            }
        }
        // Logical operation of adding `LView` to `LContainer`
        const adjustedIdx = this._adjustIndex(index);
        const lContainer = this._lContainer;
        insertView(tView, lView, lContainer, adjustedIdx);
        // Physical operation of adding the DOM nodes.
        const beforeNode = getBeforeNodeForView(adjustedIdx, lContainer);
        const renderer = lView[RENDERER];
        const parentRNode = nativeParentNode(renderer, lContainer[NATIVE]);
        if (parentRNode !== null) {
            addViewToContainer(tView, lContainer[T_HOST], renderer, lView, parentRNode, beforeNode);
        }
        viewRef.attachToViewContainerRef();
        addToArray(getOrCreateViewRefs(lContainer), adjustedIdx, viewRef);
        return viewRef;
    }
    move(viewRef, newIndex) {
        if (ngDevMode && viewRef.destroyed) {
            throw new Error('Cannot move a destroyed View in a ViewContainer!');
        }
        return this.insert(viewRef, newIndex);
    }
    indexOf(viewRef) {
        const viewRefsArr = getViewRefs(this._lContainer);
        return viewRefsArr !== null ? viewRefsArr.indexOf(viewRef) : -1;
    }
    remove(index) {
        const adjustedIdx = this._adjustIndex(index, -1);
        const detachedView = detachView(this._lContainer, adjustedIdx);
        if (detachedView) {
            // Before destroying the view, remove it from the container's array of `ViewRef`s.
            // This ensures the view container length is updated before calling
            // `destroyLView`, which could recursively call view container methods that
            // rely on an accurate container length.
            // (e.g. a method on this view container being called by a child directive's OnDestroy
            // lifecycle hook)
            removeFromArray(getOrCreateViewRefs(this._lContainer), adjustedIdx);
            destroyLView(detachedView[TVIEW], detachedView);
        }
    }
    detach(index) {
        const adjustedIdx = this._adjustIndex(index, -1);
        const view = detachView(this._lContainer, adjustedIdx);
        const wasDetached = view && removeFromArray(getOrCreateViewRefs(this._lContainer), adjustedIdx) != null;
        return wasDetached ? new ViewRef(view) : null;
    }
    _adjustIndex(index, shift = 0) {
        if (index == null) {
            return this.length + shift;
        }
        if (ngDevMode) {
            assertGreaterThan(index, -1, `ViewRef index must be positive, got ${index}`);
            // +1 because it's legal to insert at the end.
            assertLessThan(index, this.length + 1 + shift, 'index');
        }
        return index;
    }
};
function getViewRefs(lContainer) {
    return lContainer[VIEW_REFS];
}
function getOrCreateViewRefs(lContainer) {
    return (lContainer[VIEW_REFS] || (lContainer[VIEW_REFS] = []));
}
/**
 * Creates a ViewContainerRef and stores it on the injector.
 *
 * @param ViewContainerRefToken The ViewContainerRef type
 * @param ElementRefToken The ElementRef type
 * @param hostTNode The node that is requesting a ViewContainerRef
 * @param hostLView The view to which the node belongs
 * @returns The ViewContainerRef instance to use
 */
function createContainerRef(hostTNode, hostLView) {
    ngDevMode && assertTNodeType(hostTNode, 12 /* AnyContainer */ | 3 /* AnyRNode */);
    let lContainer;
    const slotValue = hostLView[hostTNode.index];
    if (isLContainer(slotValue)) {
        // If the host is a container, we don't need to create a new LContainer
        lContainer = slotValue;
    }
    else {
        let commentNode;
        // If the host is an element container, the native host element is guaranteed to be a
        // comment and we can reuse that comment as anchor element for the new LContainer.
        // The comment node in question is already part of the DOM structure so we don't need to append
        // it again.
        if (hostTNode.type & 8 /* ElementContainer */) {
            commentNode = unwrapRNode(slotValue);
        }
        else {
            // If the host is a regular element, we have to insert a comment node manually which will
            // be used as an anchor when inserting elements. In this specific case we use low-level DOM
            // manipulation to insert it.
            const renderer = hostLView[RENDERER];
            ngDevMode && ngDevMode.rendererCreateComment++;
            commentNode = renderer.createComment(ngDevMode ? 'container' : '');
            const hostNative = getNativeByTNode(hostTNode, hostLView);
            const parentOfHostNative = nativeParentNode(renderer, hostNative);
            nativeInsertBefore(renderer, parentOfHostNative, commentNode, nativeNextSibling(renderer, hostNative), false);
        }
        hostLView[hostTNode.index] = lContainer =
            createLContainer(slotValue, hostLView, commentNode, hostTNode);
        addToViewTree(hostLView, lContainer);
    }
    return new R3ViewContainerRef(lContainer, hostTNode, hostLView);
}

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
function expressionChangedAfterItHasBeenCheckedError(context, oldValue, currValue, isFirstCheck) {
    let msg = `ExpressionChangedAfterItHasBeenCheckedError: Expression has changed after it was checked. Previous value: '${oldValue}'. Current value: '${currValue}'.`;
    if (isFirstCheck) {
        msg +=
            ` It seems like the view has been created after its parent and its children have been dirty checked.` +
                ` Has it been created in a change detection hook ?`;
    }
    return viewDebugError(msg, context);
}
function viewWrappedDebugError(err, context) {
    if (!(err instanceof Error)) {
        // errors that are not Error instances don't have a stack,
        // so it is ok to wrap them into a new Error object...
        err = new Error(err.toString());
    }
    _addDebugContext(err, context);
    return err;
}
function viewDebugError(msg, context) {
    const err = new Error(msg);
    _addDebugContext(err, context);
    return err;
}
function _addDebugContext(err, context) {
    err[ERROR_DEBUG_CONTEXT] = context;
    err[ERROR_LOGGER] = context.logError.bind(context);
}
function isViewDebugError(err) {
    return !!getDebugContext(err);
}
function viewDestroyedError(action) {
    return new Error(`ViewDestroyedError: Attempt to use a destroyed view: ${action}`);
}

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
// Called before each cycle of a view's check to detect whether this is in the
// initState for which we need to call ngOnInit, ngAfterContentInit or ngAfterViewInit
// lifecycle methods. Returns true if this check cycle should call lifecycle
// methods.
function shiftInitState(view, priorInitState, newInitState) {
    // Only update the InitState if we are currently in the prior state.
    // For example, only move into CallingInit if we are in BeforeInit. Only
    // move into CallingContentInit if we are in CallingInit. Normally this will
    // always be true because of how checkCycle is called in checkAndUpdateView.
    // However, if checkAndUpdateView is called recursively or if an exception is
    // thrown while checkAndUpdateView is running, checkAndUpdateView starts over
    // from the beginning. This ensures the state is monotonically increasing,
    // terminating in the AfterInit state, which ensures the Init methods are called
    // at least once and only once.
    const state = view.state;
    const initState = state & 1792 /* InitState_Mask */;
    if (initState === priorInitState) {
        view.state = (state & ~1792 /* InitState_Mask */) | newInitState;
        view.initIndex = -1;
        return true;
    }
    return initState === newInitState;
}
// Returns true if the lifecycle init method should be called for the node with
// the given init index.
function shouldCallLifecycleInitHook(view, initState, index) {
    if ((view.state & 1792 /* InitState_Mask */) === initState && view.initIndex <= index) {
        view.initIndex = index + 1;
        return true;
    }
    return false;
}
/**
 * Node instance data.
 *
 * We have a separate type per NodeType to save memory
 * (TextData | ElementData | ProviderData | PureExpressionData | QueryList<any>)
 *
 * To keep our code monomorphic,
 * we prohibit using `NodeData` directly but enforce the use of accessors (`asElementData`, ...).
 * This way, no usage site can get a `NodeData` from view.nodes and then use it for different
 * purposes.
 */
class NodeData {
}
/**
 * Accessor for view.nodes, enforcing that every usage site stays monomorphic.
 */
function asTextData(view, index) {
    return view.nodes[index];
}
/**
 * Accessor for view.nodes, enforcing that every usage site stays monomorphic.
 */
function asElementData(view, index) {
    return view.nodes[index];
}
/**
 * Accessor for view.nodes, enforcing that every usage site stays monomorphic.
 */
function asProviderData(view, index) {
    return view.nodes[index];
}
/**
 * Accessor for view.nodes, enforcing that every usage site stays monomorphic.
 */
function asPureExpressionData(view, index) {
    return view.nodes[index];
}
/**
 * Accessor for view.nodes, enforcing that every usage site stays monomorphic.
 */
function asQueryList(view, index) {
    return view.nodes[index];
}
class DebugContext {
}
/**
 * This object is used to prevent cycles in the source files and to have a place where
 * debug mode can hook it. It is lazily filled when `isDevMode` is known.
 */
const Services = {
    setCurrentNode: undefined,
    createRootView: undefined,
    createEmbeddedView: undefined,
    createComponentView: undefined,
    createNgModuleRef: undefined,
    overrideProvider: undefined,
    overrideComponentView: undefined,
    clearOverrides: undefined,
    checkAndUpdateView: undefined,
    checkNoChangesView: undefined,
    destroyView: undefined,
    resolveDep: undefined,
    createDebugContext: undefined,
    handleEvent: undefined,
    updateDirectives: undefined,
    updateRenderer: undefined,
    dirtyParentQueries: undefined,
};

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
const NOOP = () => { };
const _tokenKeyCache = new Map();
function tokenKey(token) {
    let key = _tokenKeyCache.get(token);
    if (!key) {
        key = stringify(token) + '_' + _tokenKeyCache.size;
        _tokenKeyCache.set(token, key);
    }
    return key;
}
function unwrapValue(view, nodeIdx, bindingIdx, value) {
    if (WrappedValue.isWrapped(value)) {
        value = WrappedValue.unwrap(value);
        const globalBindingIdx = view.def.nodes[nodeIdx].bindingIndex + bindingIdx;
        const oldValue = WrappedValue.unwrap(view.oldValues[globalBindingIdx]);
        view.oldValues[globalBindingIdx] = new WrappedValue(oldValue);
    }
    return value;
}
const UNDEFINED_RENDERER_TYPE_ID = '$$undefined';
const EMPTY_RENDERER_TYPE_ID = '$$empty';
// Attention: this function is called as top level function.
// Putting any logic in here will destroy closure tree shaking!
function createRendererType2(values) {
    return {
        id: UNDEFINED_RENDERER_TYPE_ID,
        styles: values.styles,
        encapsulation: values.encapsulation,
        data: values.data
    };
}
let _renderCompCount$1 = 0;
function resolveRendererType2(type) {
    if (type && type.id === UNDEFINED_RENDERER_TYPE_ID) {
        // first time we see this RendererType2. Initialize it...
        const isFilled = ((type.encapsulation != null && type.encapsulation !== ViewEncapsulation.None) ||
            type.styles.length || Object.keys(type.data).length);
        if (isFilled) {
            type.id = `c${_renderCompCount$1++}`;
        }
        else {
            type.id = EMPTY_RENDERER_TYPE_ID;
        }
    }
    if (type && type.id === EMPTY_RENDERER_TYPE_ID) {
        type = null;
    }
    return type || null;
}
function checkBinding(view, def, bindingIdx, value) {
    const oldValues = view.oldValues;
    if ((view.state & 2 /* FirstCheck */) ||
        !Object.is(oldValues[def.bindingIndex + bindingIdx], value)) {
        return true;
    }
    return false;
}
function checkAndUpdateBinding(view, def, bindingIdx, value) {
    if (checkBinding(view, def, bindingIdx, value)) {
        view.oldValues[def.bindingIndex + bindingIdx] = value;
        return true;
    }
    return false;
}
function checkBindingNoChanges(view, def, bindingIdx, value) {
    const oldValue = view.oldValues[def.bindingIndex + bindingIdx];
    if ((view.state & 1 /* BeforeFirstCheck */) || !devModeEqual(oldValue, value)) {
        const bindingName = def.bindings[bindingIdx].name;
        throw expressionChangedAfterItHasBeenCheckedError(Services.createDebugContext(view, def.nodeIndex), `${bindingName}: ${oldValue}`, `${bindingName}: ${value}`, (view.state & 1 /* BeforeFirstCheck */) !== 0);
    }
}
function markParentViewsForCheck(view) {
    let currView = view;
    while (currView) {
        if (currView.def.flags & 2 /* OnPush */) {
            currView.state |= 8 /* ChecksEnabled */;
        }
        currView = currView.viewContainerParent || currView.parent;
    }
}
function markParentViewsForCheckProjectedViews(view, endView) {
    let currView = view;
    while (currView && currView !== endView) {
        currView.state |= 64 /* CheckProjectedViews */;
        currView = currView.viewContainerParent || currView.parent;
    }
}
function dispatchEvent(view, nodeIndex, eventName, event) {
    try {
        const nodeDef = view.def.nodes[nodeIndex];
        const startView = nodeDef.flags & 33554432 /* ComponentView */ ?
            asElementData(view, nodeIndex).componentView :
            view;
        markParentViewsForCheck(startView);
        return Services.handleEvent(view, nodeIndex, eventName, event);
    }
    catch (e) {
        // Attention: Don't rethrow, as it would cancel Observable subscriptions!
        view.root.errorHandler.handleError(e);
    }
}
function declaredViewContainer(view) {
    if (view.parent) {
        const parentView = view.parent;
        return asElementData(parentView, view.parentNodeDef.nodeIndex);
    }
    return null;
}
/**
 * for component views, this is the host element.
 * for embedded views, this is the index of the parent node
 * that contains the view container.
 */
function viewParentEl(view) {
    const parentView = view.parent;
    if (parentView) {
        return view.parentNodeDef.parent;
    }
    else {
        return null;
    }
}
function renderNode(view, def) {
    switch (def.flags & 201347067 /* Types */) {
        case 1 /* TypeElement */:
            return asElementData(view, def.nodeIndex).renderElement;
        case 2 /* TypeText */:
            return asTextData(view, def.nodeIndex).renderText;
    }
}
function elementEventFullName(target, name) {
    return target ? `${target}:${name}` : name;
}
function isComponentView(view) {
    return !!view.parent && !!(view.parentNodeDef.flags & 32768 /* Component */);
}
function isEmbeddedView(view) {
    return !!view.parent && !(view.parentNodeDef.flags & 32768 /* Component */);
}
function filterQueryId(queryId) {
    return 1 << (queryId % 32);
}
function splitMatchedQueriesDsl(matchedQueriesDsl) {
    const matchedQueries = {};
    let matchedQueryIds = 0;
    const references = {};
    if (matchedQueriesDsl) {
        matchedQueriesDsl.forEach(([queryId, valueType]) => {
            if (typeof queryId === 'number') {
                matchedQueries[queryId] = valueType;
                matchedQueryIds |= filterQueryId(queryId);
            }
            else {
                references[queryId] = valueType;
            }
        });
    }
    return { matchedQueries, references, matchedQueryIds };
}
function splitDepsDsl(deps, sourceName) {
    return deps.map(value => {
        let token;
        let flags;
        if (Array.isArray(value)) {
            [flags, token] = value;
        }
        else {
            flags = 0 /* None */;
            token = value;
        }
        if (token && (typeof token === 'function' || typeof token === 'object') && sourceName) {
            Object.defineProperty(token, SOURCE, { value: sourceName, configurable: true });
        }
        return { flags, token, tokenKey: tokenKey(token) };
    });
}
function getParentRenderElement(view, renderHost, def) {
    let renderParent = def.renderParent;
    if (renderParent) {
        if ((renderParent.flags & 1 /* TypeElement */) === 0 ||
            (renderParent.flags & 33554432 /* ComponentView */) === 0 ||
            (renderParent.element.componentRendererType &&
                (renderParent.element.componentRendererType.encapsulation ===
                    ViewEncapsulation.ShadowDom ||
                    // TODO(FW-2290): remove the `encapsulation === 1` fallback logic in v12.
                    // @ts-ignore TODO: Remove as part of FW-2290. TS complains about us dealing with an enum
                    // value that is not known (but previously was the value for ViewEncapsulation.Native)
                    renderParent.element.componentRendererType.encapsulation === 1))) {
            // only children of non components, or children of components with native encapsulation should
            // be attached.
            return asElementData(view, def.renderParent.nodeIndex).renderElement;
        }
    }
    else {
        return renderHost;
    }
}
const DEFINITION_CACHE = new WeakMap();
function resolveDefinition(factory) {
    let value = DEFINITION_CACHE.get(factory);
    if (!value) {
        value = factory(() => NOOP);
        value.factory = factory;
        DEFINITION_CACHE.set(factory, value);
    }
    return value;
}
function rootRenderNodes(view) {
    const renderNodes = [];
    visitRootRenderNodes(view, 0 /* Collect */, undefined, undefined, renderNodes);
    return renderNodes;
}
function visitRootRenderNodes(view, action, parentNode, nextSibling, target) {
    // We need to re-compute the parent node in case the nodes have been moved around manually
    if (action === 3 /* RemoveChild */) {
        parentNode = view.renderer.parentNode(renderNode(view, view.def.lastRenderRootNode));
    }
    visitSiblingRenderNodes(view, action, 0, view.def.nodes.length - 1, parentNode, nextSibling, target);
}
function visitSiblingRenderNodes(view, action, startIndex, endIndex, parentNode, nextSibling, target) {
    for (let i = startIndex; i <= endIndex; i++) {
        const nodeDef = view.def.nodes[i];
        if (nodeDef.flags & (1 /* TypeElement */ | 2 /* TypeText */ | 8 /* TypeNgContent */)) {
            visitRenderNode(view, nodeDef, action, parentNode, nextSibling, target);
        }
        // jump to next sibling
        i += nodeDef.childCount;
    }
}
function visitProjectedRenderNodes(view, ngContentIndex, action, parentNode, nextSibling, target) {
    let compView = view;
    while (compView && !isComponentView(compView)) {
        compView = compView.parent;
    }
    const hostView = compView.parent;
    const hostElDef = viewParentEl(compView);
    const startIndex = hostElDef.nodeIndex + 1;
    const endIndex = hostElDef.nodeIndex + hostElDef.childCount;
    for (let i = startIndex; i <= endIndex; i++) {
        const nodeDef = hostView.def.nodes[i];
        if (nodeDef.ngContentIndex === ngContentIndex) {
            visitRenderNode(hostView, nodeDef, action, parentNode, nextSibling, target);
        }
        // jump to next sibling
        i += nodeDef.childCount;
    }
    if (!hostView.parent) {
        // a root view
        const projectedNodes = view.root.projectableNodes[ngContentIndex];
        if (projectedNodes) {
            for (let i = 0; i < projectedNodes.length; i++) {
                execRenderNodeAction(view, projectedNodes[i], action, parentNode, nextSibling, target);
            }
        }
    }
}
function visitRenderNode(view, nodeDef, action, parentNode, nextSibling, target) {
    if (nodeDef.flags & 8 /* TypeNgContent */) {
        visitProjectedRenderNodes(view, nodeDef.ngContent.index, action, parentNode, nextSibling, target);
    }
    else {
        const rn = renderNode(view, nodeDef);
        if (action === 3 /* RemoveChild */ && (nodeDef.flags & 33554432 /* ComponentView */) &&
            (nodeDef.bindingFlags & 48 /* CatSyntheticProperty */)) {
            // Note: we might need to do both actions.
            if (nodeDef.bindingFlags & (16 /* SyntheticProperty */)) {
                execRenderNodeAction(view, rn, action, parentNode, nextSibling, target);
            }
            if (nodeDef.bindingFlags & (32 /* SyntheticHostProperty */)) {
                const compView = asElementData(view, nodeDef.nodeIndex).componentView;
                execRenderNodeAction(compView, rn, action, parentNode, nextSibling, target);
            }
        }
        else {
            execRenderNodeAction(view, rn, action, parentNode, nextSibling, target);
        }
        if (nodeDef.flags & 16777216 /* EmbeddedViews */) {
            const embeddedViews = asElementData(view, nodeDef.nodeIndex).viewContainer._embeddedViews;
            for (let k = 0; k < embeddedViews.length; k++) {
                visitRootRenderNodes(embeddedViews[k], action, parentNode, nextSibling, target);
            }
        }
        if (nodeDef.flags & 1 /* TypeElement */ && !nodeDef.element.name) {
            visitSiblingRenderNodes(view, action, nodeDef.nodeIndex + 1, nodeDef.nodeIndex + nodeDef.childCount, parentNode, nextSibling, target);
        }
    }
}
function execRenderNodeAction(view, renderNode, action, parentNode, nextSibling, target) {
    const renderer = view.renderer;
    switch (action) {
        case 1 /* AppendChild */:
            renderer.appendChild(parentNode, renderNode);
            break;
        case 2 /* InsertBefore */:
            renderer.insertBefore(parentNode, renderNode, nextSibling);
            break;
        case 3 /* RemoveChild */:
            renderer.removeChild(parentNode, renderNode);
            break;
        case 0 /* Collect */:
            target.push(renderNode);
            break;
    }
}
const NS_PREFIX_RE = /^:([^:]+):(.+)$/;
function splitNamespace(name) {
    if (name[0] === ':') {
        const match = name.match(NS_PREFIX_RE);
        return [match[1], match[2]];
    }
    return ['', name];
}
function calcBindingFlags(bindings) {
    let flags = 0;
    for (let i = 0; i < bindings.length; i++) {
        flags |= bindings[i].flags;
    }
    return flags;
}
function interpolate(valueCount, constAndInterp) {
    let result = '';
    for (let i = 0; i < valueCount * 2; i = i + 2) {
        result = result + constAndInterp[i] + _toStringWithNull(constAndInterp[i + 1]);
    }
    return result + constAndInterp[valueCount * 2];
}
function inlineInterpolate(valueCount, c0, a1, c1, a2, c2, a3, c3, a4, c4, a5, c5, a6, c6, a7, c7, a8, c8, a9, c9) {
    switch (valueCount) {
        case 1:
            return c0 + _toStringWithNull(a1) + c1;
        case 2:
            return c0 + _toStringWithNull(a1) + c1 + _toStringWithNull(a2) + c2;
        case 3:
            return c0 + _toStringWithNull(a1) + c1 + _toStringWithNull(a2) + c2 + _toStringWithNull(a3) +
                c3;
        case 4:
            return c0 + _toStringWithNull(a1) + c1 + _toStringWithNull(a2) + c2 + _toStringWithNull(a3) +
                c3 + _toStringWithNull(a4) + c4;
        case 5:
            return c0 + _toStringWithNull(a1) + c1 + _toStringWithNull(a2) + c2 + _toStringWithNull(a3) +
                c3 + _toStringWithNull(a4) + c4 + _toStringWithNull(a5) + c5;
        case 6:
            return c0 + _toStringWithNull(a1) + c1 + _toStringWithNull(a2) + c2 + _toStringWithNull(a3) +
                c3 + _toStringWithNull(a4) + c4 + _toStringWithNull(a5) + c5 + _toStringWithNull(a6) + c6;
        case 7:
            return c0 + _toStringWithNull(a1) + c1 + _toStringWithNull(a2) + c2 + _toStringWithNull(a3) +
                c3 + _toStringWithNull(a4) + c4 + _toStringWithNull(a5) + c5 + _toStringWithNull(a6) +
                c6 + _toStringWithNull(a7) + c7;
        case 8:
            return c0 + _toStringWithNull(a1) + c1 + _toStringWithNull(a2) + c2 + _toStringWithNull(a3) +
                c3 + _toStringWithNull(a4) + c4 + _toStringWithNull(a5) + c5 + _toStringWithNull(a6) +
                c6 + _toStringWithNull(a7) + c7 + _toStringWithNull(a8) + c8;
        case 9:
            return c0 + _toStringWithNull(a1) + c1 + _toStringWithNull(a2) + c2 + _toStringWithNull(a3) +
                c3 + _toStringWithNull(a4) + c4 + _toStringWithNull(a5) + c5 + _toStringWithNull(a6) +
                c6 + _toStringWithNull(a7) + c7 + _toStringWithNull(a8) + c8 + _toStringWithNull(a9) + c9;
        default:
            throw new Error(`Does not support more than 9 expressions`);
    }
}
function _toStringWithNull(v) {
    return v != null ? v.toString() : '';
}
const EMPTY_MAP = {};

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
const UNDEFINED_VALUE = {};
const InjectorRefTokenKey = tokenKey(Injector);
const INJECTORRefTokenKey = tokenKey(INJECTOR$1);
const NgModuleRefTokenKey = tokenKey(NgModuleRef);
function moduleProvideDef(flags, token, value, deps) {
    // Need to resolve forwardRefs as e.g. for `useValue` we
    // lowered the expression and then stopped evaluating it,
    // i.e. also didn't unwrap it.
    value = resolveForwardRef(value);
    const depDefs = splitDepsDsl(deps, stringify(token));
    return {
        // will bet set by the module definition
        index: -1,
        deps: depDefs,
        flags,
        token,
        value
    };
}
function moduleDef(providers) {
    const providersByKey = {};
    const modules = [];
    let scope = null;
    for (let i = 0; i < providers.length; i++) {
        const provider = providers[i];
        if (provider.token === INJECTOR_SCOPE) {
            scope = provider.value;
        }
        if (provider.flags & 1073741824 /* TypeNgModule */) {
            modules.push(provider.token);
        }
        provider.index = i;
        providersByKey[tokenKey(provider.token)] = provider;
    }
    return {
        // Will be filled later...
        factory: null,
        providersByKey,
        providers,
        modules,
        scope: scope,
    };
}
function initNgModule(data) {
    const def = data._def;
    const providers = data._providers = newArray(def.providers.length);
    for (let i = 0; i < def.providers.length; i++) {
        const provDef = def.providers[i];
        if (!(provDef.flags & 4096 /* LazyProvider */)) {
            // Make sure the provider has not been already initialized outside this loop.
            if (providers[i] === undefined) {
                providers[i] = _createProviderInstance(data, provDef);
            }
        }
    }
}
function resolveNgModuleDep(data, depDef, notFoundValue = Injector.THROW_IF_NOT_FOUND) {
    const former = setCurrentInjector(data);
    try {
        if (depDef.flags & 8 /* Value */) {
            return depDef.token;
        }
        if (depDef.flags & 2 /* Optional */) {
            notFoundValue = null;
        }
        if (depDef.flags & 1 /* SkipSelf */) {
            return data._parent.get(depDef.token, notFoundValue);
        }
        const tokenKey = depDef.tokenKey;
        switch (tokenKey) {
            case InjectorRefTokenKey:
            case INJECTORRefTokenKey:
            case NgModuleRefTokenKey:
                return data;
        }
        const providerDef = data._def.providersByKey[tokenKey];
        let injectableDef;
        if (providerDef) {
            let providerInstance = data._providers[providerDef.index];
            if (providerInstance === undefined) {
                providerInstance = data._providers[providerDef.index] =
                    _createProviderInstance(data, providerDef);
            }
            return providerInstance === UNDEFINED_VALUE ? undefined : providerInstance;
        }
        else if ((injectableDef = getInjectableDef(depDef.token)) && targetsModule(data, injectableDef)) {
            const index = data._providers.length;
            data._def.providers[index] = data._def.providersByKey[depDef.tokenKey] = {
                flags: 1024 /* TypeFactoryProvider */ | 4096 /* LazyProvider */,
                value: injectableDef.factory,
                deps: [],
                index,
                token: depDef.token,
            };
            data._providers[index] = UNDEFINED_VALUE;
            return (data._providers[index] =
                _createProviderInstance(data, data._def.providersByKey[depDef.tokenKey]));
        }
        else if (depDef.flags & 4 /* Self */) {
            return notFoundValue;
        }
        return data._parent.get(depDef.token, notFoundValue);
    }
    finally {
        setCurrentInjector(former);
    }
}
function moduleTransitivelyPresent(ngModule, scope) {
    return ngModule._def.modules.indexOf(scope) > -1;
}
function targetsModule(ngModule, def) {
    const providedIn = resolveForwardRef(def.providedIn);
    return providedIn != null &&
        (providedIn === 'any' || providedIn === ngModule._def.scope ||
            moduleTransitivelyPresent(ngModule, providedIn));
}
function _createProviderInstance(ngModule, providerDef) {
    let injectable;
    switch (providerDef.flags & 201347067 /* Types */) {
        case 512 /* TypeClassProvider */:
            injectable = _createClass(ngModule, providerDef.value, providerDef.deps);
            break;
        case 1024 /* TypeFactoryProvider */:
            injectable = _callFactory(ngModule, providerDef.value, providerDef.deps);
            break;
        case 2048 /* TypeUseExistingProvider */:
            injectable = resolveNgModuleDep(ngModule, providerDef.deps[0]);
            break;
        case 256 /* TypeValueProvider */:
            injectable = providerDef.value;
            break;
    }
    // The read of `ngOnDestroy` here is slightly expensive as it's megamorphic, so it should be
    // avoided if possible. The sequence of checks here determines whether ngOnDestroy needs to be
    // checked. It might not if the `injectable` isn't an object or if NodeFlags.OnDestroy is already
    // set (ngOnDestroy was detected statically).
    if (injectable !== UNDEFINED_VALUE && injectable !== null && typeof injectable === 'object' &&
        !(providerDef.flags & 131072 /* OnDestroy */) && typeof injectable.ngOnDestroy === 'function') {
        providerDef.flags |= 131072 /* OnDestroy */;
    }
    return injectable === undefined ? UNDEFINED_VALUE : injectable;
}
function _createClass(ngModule, ctor, deps) {
    const len = deps.length;
    switch (len) {
        case 0:
            return new ctor();
        case 1:
            return new ctor(resolveNgModuleDep(ngModule, deps[0]));
        case 2:
            return new ctor(resolveNgModuleDep(ngModule, deps[0]), resolveNgModuleDep(ngModule, deps[1]));
        case 3:
            return new ctor(resolveNgModuleDep(ngModule, deps[0]), resolveNgModuleDep(ngModule, deps[1]), resolveNgModuleDep(ngModule, deps[2]));
        default:
            const depValues = [];
            for (let i = 0; i < len; i++) {
                depValues[i] = resolveNgModuleDep(ngModule, deps[i]);
            }
            return new ctor(...depValues);
    }
}
function _callFactory(ngModule, factory, deps) {
    const len = deps.length;
    switch (len) {
        case 0:
            return factory();
        case 1:
            return factory(resolveNgModuleDep(ngModule, deps[0]));
        case 2:
            return factory(resolveNgModuleDep(ngModule, deps[0]), resolveNgModuleDep(ngModule, deps[1]));
        case 3:
            return factory(resolveNgModuleDep(ngModule, deps[0]), resolveNgModuleDep(ngModule, deps[1]), resolveNgModuleDep(ngModule, deps[2]));
        default:
            const depValues = [];
            for (let i = 0; i < len; i++) {
                depValues[i] = resolveNgModuleDep(ngModule, deps[i]);
            }
            return factory(...depValues);
    }
}
function callNgModuleLifecycle(ngModule, lifecycles) {
    const def = ngModule._def;
    const destroyed = new Set();
    for (let i = 0; i < def.providers.length; i++) {
        const provDef = def.providers[i];
        if (provDef.flags & 131072 /* OnDestroy */) {
            const instance = ngModule._providers[i];
            if (instance && instance !== UNDEFINED_VALUE) {
                const onDestroy = instance.ngOnDestroy;
                if (typeof onDestroy === 'function' && !destroyed.has(instance)) {
                    onDestroy.apply(instance);
                    destroyed.add(instance);
                }
            }
        }
    }
}

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
function attachEmbeddedView(parentView, elementData, viewIndex, view) {
    let embeddedViews = elementData.viewContainer._embeddedViews;
    if (viewIndex === null || viewIndex === undefined) {
        viewIndex = embeddedViews.length;
    }
    view.viewContainerParent = parentView;
    addToArray(embeddedViews, viewIndex, view);
    attachProjectedView(elementData, view);
    Services.dirtyParentQueries(view);
    const prevView = viewIndex > 0 ? embeddedViews[viewIndex - 1] : null;
    renderAttachEmbeddedView(elementData, prevView, view);
}
function attachProjectedView(vcElementData, view) {
    const dvcElementData = declaredViewContainer(view);
    if (!dvcElementData || dvcElementData === vcElementData ||
        view.state & 16 /* IsProjectedView */) {
        return;
    }
    // Note: For performance reasons, we
    // - add a view to template._projectedViews only 1x throughout its lifetime,
    //   and remove it not until the view is destroyed.
    //   (hard, as when a parent view is attached/detached we would need to attach/detach all
    //    nested projected views as well, even across component boundaries).
    // - don't track the insertion order of views in the projected views array
    //   (hard, as when the views of the same template are inserted different view containers)
    view.state |= 16 /* IsProjectedView */;
    let projectedViews = dvcElementData.template._projectedViews;
    if (!projectedViews) {
        projectedViews = dvcElementData.template._projectedViews = [];
    }
    projectedViews.push(view);
    // Note: we are changing the NodeDef here as we cannot calculate
    // the fact whether a template is used for projection during compilation.
    markNodeAsProjectedTemplate(view.parent.def, view.parentNodeDef);
}
function markNodeAsProjectedTemplate(viewDef, nodeDef) {
    if (nodeDef.flags & 4 /* ProjectedTemplate */) {
        return;
    }
    viewDef.nodeFlags |= 4 /* ProjectedTemplate */;
    nodeDef.flags |= 4 /* ProjectedTemplate */;
    let parentNodeDef = nodeDef.parent;
    while (parentNodeDef) {
        parentNodeDef.childFlags |= 4 /* ProjectedTemplate */;
        parentNodeDef = parentNodeDef.parent;
    }
}
function detachEmbeddedView(elementData, viewIndex) {
    const embeddedViews = elementData.viewContainer._embeddedViews;
    if (viewIndex == null || viewIndex >= embeddedViews.length) {
        viewIndex = embeddedViews.length - 1;
    }
    if (viewIndex < 0) {
        return null;
    }
    const view = embeddedViews[viewIndex];
    view.viewContainerParent = null;
    removeFromArray(embeddedViews, viewIndex);
    // See attachProjectedView for why we don't update projectedViews here.
    Services.dirtyParentQueries(view);
    renderDetachView$1(view);
    return view;
}
function detachProjectedView(view) {
    if (!(view.state & 16 /* IsProjectedView */)) {
        return;
    }
    const dvcElementData = declaredViewContainer(view);
    if (dvcElementData) {
        const projectedViews = dvcElementData.template._projectedViews;
        if (projectedViews) {
            removeFromArray(projectedViews, projectedViews.indexOf(view));
            Services.dirtyParentQueries(view);
        }
    }
}
function moveEmbeddedView(elementData, oldViewIndex, newViewIndex) {
    const embeddedViews = elementData.viewContainer._embeddedViews;
    const view = embeddedViews[oldViewIndex];
    removeFromArray(embeddedViews, oldViewIndex);
    if (newViewIndex == null) {
        newViewIndex = embeddedViews.length;
    }
    addToArray(embeddedViews, newViewIndex, view);
    // Note: Don't need to change projectedViews as the order in there
    // as always invalid...
    Services.dirtyParentQueries(view);
    renderDetachView$1(view);
    const prevView = newViewIndex > 0 ? embeddedViews[newViewIndex - 1] : null;
    renderAttachEmbeddedView(elementData, prevView, view);
    return view;
}
function renderAttachEmbeddedView(elementData, prevView, view) {
    const prevRenderNode = prevView ? renderNode(prevView, prevView.def.lastRenderRootNode) : elementData.renderElement;
    const parentNode = view.renderer.parentNode(prevRenderNode);
    const nextSibling = view.renderer.nextSibling(prevRenderNode);
    // Note: We can't check if `nextSibling` is present, as on WebWorkers it will always be!
    // However, browsers automatically do `appendChild` when there is no `nextSibling`.
    visitRootRenderNodes(view, 2 /* InsertBefore */, parentNode, nextSibling, undefined);
}
function renderDetachView$1(view) {
    visitRootRenderNodes(view, 3 /* RemoveChild */, null, null, undefined);
}

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
const EMPTY_CONTEXT = {};
// Attention: this function is called as top level function.
// Putting any logic in here will destroy closure tree shaking!
function createComponentFactory(selector, componentType, viewDefFactory, inputs, outputs, ngContentSelectors) {
    return new ComponentFactory_(selector, componentType, viewDefFactory, inputs, outputs, ngContentSelectors);
}
function getComponentViewDefinitionFactory(componentFactory) {
    return componentFactory.viewDefFactory;
}
class ComponentFactory_ extends ComponentFactory {
    constructor(selector, componentType, viewDefFactory, _inputs, _outputs, ngContentSelectors) {
        // Attention: this ctor is called as top level function.
        // Putting any logic in here will destroy closure tree shaking!
        super();
        this.selector = selector;
        this.componentType = componentType;
        this._inputs = _inputs;
        this._outputs = _outputs;
        this.ngContentSelectors = ngContentSelectors;
        this.viewDefFactory = viewDefFactory;
    }
    get inputs() {
        const inputsArr = [];
        const inputs = this._inputs;
        for (let propName in inputs) {
            const templateName = inputs[propName];
            inputsArr.push({ propName, templateName });
        }
        return inputsArr;
    }
    get outputs() {
        const outputsArr = [];
        for (let propName in this._outputs) {
            const templateName = this._outputs[propName];
            outputsArr.push({ propName, templateName });
        }
        return outputsArr;
    }
    /**
     * Creates a new component.
     */
    create(injector, projectableNodes, rootSelectorOrNode, ngModule) {
        if (!ngModule) {
            throw new Error('ngModule should be provided');
        }
        const viewDef = resolveDefinition(this.viewDefFactory);
        const componentNodeIndex = viewDef.nodes[0].element.componentProvider.nodeIndex;
        const view = Services.createRootView(injector, projectableNodes || [], rootSelectorOrNode, viewDef, ngModule, EMPTY_CONTEXT);
        const component = asProviderData(view, componentNodeIndex).instance;
        if (rootSelectorOrNode) {
            view.renderer.setAttribute(asElementData(view, 0).renderElement, 'ng-version', VERSION.full);
        }
        return new ComponentRef_(view, new ViewRef_(view), component);
    }
}
class ComponentRef_ extends ComponentRef {
    constructor(_view, _viewRef, _component) {
        super();
        this._view = _view;
        this._viewRef = _viewRef;
        this._component = _component;
        this._elDef = this._view.def.nodes[0];
        this.hostView = _viewRef;
        this.changeDetectorRef = _viewRef;
        this.instance = _component;
    }
    get location() {
        return new ElementRef(asElementData(this._view, this._elDef.nodeIndex).renderElement);
    }
    get injector() {
        return new Injector_(this._view, this._elDef);
    }
    get componentType() {
        return this._component.constructor;
    }
    destroy() {
        this._viewRef.destroy();
    }
    onDestroy(callback) {
        this._viewRef.onDestroy(callback);
    }
}
function createViewContainerData(view, elDef, elData) {
    return new ViewContainerRef_(view, elDef, elData);
}
class ViewContainerRef_ {
    constructor(_view, _elDef, _data) {
        this._view = _view;
        this._elDef = _elDef;
        this._data = _data;
        /**
         * @internal
         */
        this._embeddedViews = [];
    }
    get element() {
        return new ElementRef(this._data.renderElement);
    }
    get injector() {
        return new Injector_(this._view, this._elDef);
    }
    /** @deprecated No replacement */
    get parentInjector() {
        let view = this._view;
        let elDef = this._elDef.parent;
        while (!elDef && view) {
            elDef = viewParentEl(view);
            view = view.parent;
        }
        return view ? new Injector_(view, elDef) : new Injector_(this._view, null);
    }
    clear() {
        const len = this._embeddedViews.length;
        for (let i = len - 1; i >= 0; i--) {
            const view = detachEmbeddedView(this._data, i);
            Services.destroyView(view);
        }
    }
    get(index) {
        const view = this._embeddedViews[index];
        if (view) {
            const ref = new ViewRef_(view);
            ref.attachToViewContainerRef(this);
            return ref;
        }
        return null;
    }
    get length() {
        return this._embeddedViews.length;
    }
    createEmbeddedView(templateRef, context, index) {
        const viewRef = templateRef.createEmbeddedView(context || {});
        this.insert(viewRef, index);
        return viewRef;
    }
    createComponent(componentFactory, index, injector, projectableNodes, ngModuleRef) {
        const contextInjector = injector || this.parentInjector;
        if (!ngModuleRef && !(componentFactory instanceof ComponentFactoryBoundToModule)) {
            ngModuleRef = contextInjector.get(NgModuleRef);
        }
        const componentRef = componentFactory.create(contextInjector, projectableNodes, undefined, ngModuleRef);
        this.insert(componentRef.hostView, index);
        return componentRef;
    }
    insert(viewRef, index) {
        if (viewRef.destroyed) {
            throw new Error('Cannot insert a destroyed View in a ViewContainer!');
        }
        const viewRef_ = viewRef;
        const viewData = viewRef_._view;
        attachEmbeddedView(this._view, this._data, index, viewData);
        viewRef_.attachToViewContainerRef(this);
        return viewRef;
    }
    move(viewRef, currentIndex) {
        if (viewRef.destroyed) {
            throw new Error('Cannot move a destroyed View in a ViewContainer!');
        }
        const previousIndex = this._embeddedViews.indexOf(viewRef._view);
        moveEmbeddedView(this._data, previousIndex, currentIndex);
        return viewRef;
    }
    indexOf(viewRef) {
        return this._embeddedViews.indexOf(viewRef._view);
    }
    remove(index) {
        const viewData = detachEmbeddedView(this._data, index);
        if (viewData) {
            Services.destroyView(viewData);
        }
    }
    detach(index) {
        const view = detachEmbeddedView(this._data, index);
        return view ? new ViewRef_(view) : null;
    }
}
function createChangeDetectorRef(view) {
    return new ViewRef_(view);
}
class ViewRef_ {
    constructor(_view) {
        this._view = _view;
        this._viewContainerRef = null;
        this._appRef = null;
    }
    get rootNodes() {
        return rootRenderNodes(this._view);
    }
    get context() {
        return this._view.context;
    }
    set context(value) {
        this._view.context = value;
    }
    get destroyed() {
        return (this._view.state & 128 /* Destroyed */) !== 0;
    }
    markForCheck() {
        markParentViewsForCheck(this._view);
    }
    detach() {
        this._view.state &= ~4 /* Attached */;
    }
    detectChanges() {
        const fs = this._view.root.rendererFactory;
        if (fs.begin) {
            fs.begin();
        }
        try {
            Services.checkAndUpdateView(this._view);
        }
        finally {
            if (fs.end) {
                fs.end();
            }
        }
    }
    checkNoChanges() {
        Services.checkNoChangesView(this._view);
    }
    reattach() {
        this._view.state |= 4 /* Attached */;
    }
    onDestroy(callback) {
        if (!this._view.disposables) {
            this._view.disposables = [];
        }
        this._view.disposables.push(callback);
    }
    destroy() {
        if (this._appRef) {
            this._appRef.detachView(this);
        }
        else if (this._viewContainerRef) {
            this._viewContainerRef.detach(this._viewContainerRef.indexOf(this));
        }
        Services.destroyView(this._view);
    }
    detachFromAppRef() {
        this._appRef = null;
        renderDetachView$1(this._view);
        Services.dirtyParentQueries(this._view);
    }
    attachToAppRef(appRef) {
        if (this._viewContainerRef) {
            throw new Error('This view is already attached to a ViewContainer!');
        }
        this._appRef = appRef;
    }
    attachToViewContainerRef(vcRef) {
        if (this._appRef) {
            throw new Error('This view is already attached directly to the ApplicationRef!');
        }
        this._viewContainerRef = vcRef;
    }
}
function createTemplateData(view, def) {
    return new TemplateRef_(view, def);
}
class TemplateRef_ extends TemplateRef {
    constructor(_parentView, _def) {
        super();
        this._parentView = _parentView;
        this._def = _def;
    }
    createEmbeddedView(context) {
        return new ViewRef_(Services.createEmbeddedView(this._parentView, this._def, this._def.element.template, context));
    }
    get elementRef() {
        return new ElementRef(asElementData(this._parentView, this._def.nodeIndex).renderElement);
    }
}
function createInjector$1(view, elDef) {
    return new Injector_(view, elDef);
}
class Injector_ {
    constructor(view, elDef) {
        this.view = view;
        this.elDef = elDef;
    }
    get(token, notFoundValue = Injector.THROW_IF_NOT_FOUND) {
        const allowPrivateServices = this.elDef ? (this.elDef.flags & 33554432 /* ComponentView */) !== 0 : false;
        return Services.resolveDep(this.view, this.elDef, allowPrivateServices, { flags: 0 /* None */, token, tokenKey: tokenKey(token) }, notFoundValue);
    }
}
function nodeValue(view, index) {
    const def = view.def.nodes[index];
    if (def.flags & 1 /* TypeElement */) {
        const elData = asElementData(view, def.nodeIndex);
        return def.element.template ? elData.template : elData.renderElement;
    }
    else if (def.flags & 2 /* TypeText */) {
        return asTextData(view, def.nodeIndex).renderText;
    }
    else if (def.flags & (20224 /* CatProvider */ | 16 /* TypePipe */)) {
        return asProviderData(view, def.nodeIndex).instance;
    }
    throw new Error(`Illegal state: read nodeValue for node index ${index}`);
}
function createNgModuleRef(moduleType, parent, bootstrapComponents, def) {
    return new NgModuleRef_(moduleType, parent, bootstrapComponents, def);
}
class NgModuleRef_ {
    constructor(_moduleType, _parent, _bootstrapComponents, _def) {
        this._moduleType = _moduleType;
        this._parent = _parent;
        this._bootstrapComponents = _bootstrapComponents;
        this._def = _def;
        this._destroyListeners = [];
        this._destroyed = false;
        this.injector = this;
        initNgModule(this);
    }
    get(token, notFoundValue = Injector.THROW_IF_NOT_FOUND, injectFlags = InjectFlags.Default) {
        let flags = 0 /* None */;
        if (injectFlags & InjectFlags.SkipSelf) {
            flags |= 1 /* SkipSelf */;
        }
        else if (injectFlags & InjectFlags.Self) {
            flags |= 4 /* Self */;
        }
        return resolveNgModuleDep(this, { token: token, tokenKey: tokenKey(token), flags: flags }, notFoundValue);
    }
    get instance() {
        return this.get(this._moduleType);
    }
    get componentFactoryResolver() {
        return this.get(ComponentFactoryResolver);
    }
    destroy() {
        if (this._destroyed) {
            throw new Error(`The ng module ${stringify(this.instance.constructor)} has already been destroyed.`);
        }
        this._destroyed = true;
        callNgModuleLifecycle(this, 131072 /* OnDestroy */);
        this._destroyListeners.forEach((listener) => listener());
    }
    onDestroy(callback) {
        this._destroyListeners.push(callback);
    }
}

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
const Renderer2TokenKey = tokenKey(Renderer2);
const ElementRefTokenKey = tokenKey(ElementRef);
const ViewContainerRefTokenKey = tokenKey(ViewContainerRef);
const TemplateRefTokenKey = tokenKey(TemplateRef);
const ChangeDetectorRefTokenKey = tokenKey(ChangeDetectorRef);
const InjectorRefTokenKey$1 = tokenKey(Injector);
const INJECTORRefTokenKey$1 = tokenKey(INJECTOR$1);
function directiveDef(checkIndex, flags, matchedQueries, childCount, ctor, deps, props, outputs) {
    const bindings = [];
    if (props) {
        for (let prop in props) {
            const [bindingIndex, nonMinifiedName] = props[prop];
            bindings[bindingIndex] = {
                flags: 8 /* TypeProperty */,
                name: prop,
                nonMinifiedName,
                ns: null,
                securityContext: null,
                suffix: null
            };
        }
    }
    const outputDefs = [];
    if (outputs) {
        for (let propName in outputs) {
            outputDefs.push({ type: 1 /* DirectiveOutput */, propName, target: null, eventName: outputs[propName] });
        }
    }
    flags |= 16384 /* TypeDirective */;
    return _def(checkIndex, flags, matchedQueries, childCount, ctor, ctor, deps, bindings, outputDefs);
}
function pipeDef(flags, ctor, deps) {
    flags |= 16 /* TypePipe */;
    return _def(-1, flags, null, 0, ctor, ctor, deps);
}
function providerDef(flags, matchedQueries, token, value, deps) {
    return _def(-1, flags, matchedQueries, 0, token, value, deps);
}
function _def(checkIndex, flags, matchedQueriesDsl, childCount, token, value, deps, bindings, outputs) {
    const { matchedQueries, references, matchedQueryIds } = splitMatchedQueriesDsl(matchedQueriesDsl);
    if (!outputs) {
        outputs = [];
    }
    if (!bindings) {
        bindings = [];
    }
    // Need to resolve forwardRefs as e.g. for `useValue` we
    // lowered the expression and then stopped evaluating it,
    // i.e. also didn't unwrap it.
    value = resolveForwardRef(value);
    const depDefs = splitDepsDsl(deps, stringify(token));
    return {
        // will bet set by the view definition
        nodeIndex: -1,
        parent: null,
        renderParent: null,
        bindingIndex: -1,
        outputIndex: -1,
        // regular values
        checkIndex,
        flags,
        childFlags: 0,
        directChildFlags: 0,
        childMatchedQueries: 0,
        matchedQueries,
        matchedQueryIds,
        references,
        ngContentIndex: -1,
        childCount,
        bindings,
        bindingFlags: calcBindingFlags(bindings),
        outputs,
        element: null,
        provider: { token, value, deps: depDefs },
        text: null,
        query: null,
        ngContent: null
    };
}
function createProviderInstance(view, def) {
    return _createProviderInstance$1(view, def);
}
function createPipeInstance(view, def) {
    // deps are looked up from component.
    let compView = view;
    while (compView.parent && !isComponentView(compView)) {
        compView = compView.parent;
    }
    // pipes can see the private services of the component
    const allowPrivateServices = true;
    // pipes are always eager and classes!
    return createClass(compView.parent, viewParentEl(compView), allowPrivateServices, def.provider.value, def.provider.deps);
}
function createDirectiveInstance(view, def) {
    // components can see other private services, other directives can't.
    const allowPrivateServices = (def.flags & 32768 /* Component */) > 0;
    // directives are always eager and classes!
    const instance = createClass(view, def.parent, allowPrivateServices, def.provider.value, def.provider.deps);
    if (def.outputs.length) {
        for (let i = 0; i < def.outputs.length; i++) {
            const output = def.outputs[i];
            const outputObservable = instance[output.propName];
            if (isObservable(outputObservable)) {
                const subscription = outputObservable.subscribe(eventHandlerClosure(view, def.parent.nodeIndex, output.eventName));
                view.disposables[def.outputIndex + i] = subscription.unsubscribe.bind(subscription);
            }
            else {
                throw new Error(`@Output ${output.propName} not initialized in '${instance.constructor.name}'.`);
            }
        }
    }
    return instance;
}
function eventHandlerClosure(view, index, eventName) {
    return (event) => dispatchEvent(view, index, eventName, event);
}
function checkAndUpdateDirectiveInline(view, def, v0, v1, v2, v3, v4, v5, v6, v7, v8, v9) {
    const providerData = asProviderData(view, def.nodeIndex);
    const directive = providerData.instance;
    let changed = false;
    let changes = undefined;
    const bindLen = def.bindings.length;
    if (bindLen > 0 && checkBinding(view, def, 0, v0)) {
        changed = true;
        changes = updateProp(view, providerData, def, 0, v0, changes);
    }
    if (bindLen > 1 && checkBinding(view, def, 1, v1)) {
        changed = true;
        changes = updateProp(view, providerData, def, 1, v1, changes);
    }
    if (bindLen > 2 && checkBinding(view, def, 2, v2)) {
        changed = true;
        changes = updateProp(view, providerData, def, 2, v2, changes);
    }
    if (bindLen > 3 && checkBinding(view, def, 3, v3)) {
        changed = true;
        changes = updateProp(view, providerData, def, 3, v3, changes);
    }
    if (bindLen > 4 && checkBinding(view, def, 4, v4)) {
        changed = true;
        changes = updateProp(view, providerData, def, 4, v4, changes);
    }
    if (bindLen > 5 && checkBinding(view, def, 5, v5)) {
        changed = true;
        changes = updateProp(view, providerData, def, 5, v5, changes);
    }
    if (bindLen > 6 && checkBinding(view, def, 6, v6)) {
        changed = true;
        changes = updateProp(view, providerData, def, 6, v6, changes);
    }
    if (bindLen > 7 && checkBinding(view, def, 7, v7)) {
        changed = true;
        changes = updateProp(view, providerData, def, 7, v7, changes);
    }
    if (bindLen > 8 && checkBinding(view, def, 8, v8)) {
        changed = true;
        changes = updateProp(view, providerData, def, 8, v8, changes);
    }
    if (bindLen > 9 && checkBinding(view, def, 9, v9)) {
        changed = true;
        changes = updateProp(view, providerData, def, 9, v9, changes);
    }
    if (changes) {
        directive.ngOnChanges(changes);
    }
    if ((def.flags & 65536 /* OnInit */) &&
        shouldCallLifecycleInitHook(view, 256 /* InitState_CallingOnInit */, def.nodeIndex)) {
        directive.ngOnInit();
    }
    if (def.flags & 262144 /* DoCheck */) {
        directive.ngDoCheck();
    }
    return changed;
}
function checkAndUpdateDirectiveDynamic(view, def, values) {
    const providerData = asProviderData(view, def.nodeIndex);
    const directive = providerData.instance;
    let changed = false;
    let changes = undefined;
    for (let i = 0; i < values.length; i++) {
        if (checkBinding(view, def, i, values[i])) {
            changed = true;
            changes = updateProp(view, providerData, def, i, values[i], changes);
        }
    }
    if (changes) {
        directive.ngOnChanges(changes);
    }
    if ((def.flags & 65536 /* OnInit */) &&
        shouldCallLifecycleInitHook(view, 256 /* InitState_CallingOnInit */, def.nodeIndex)) {
        directive.ngOnInit();
    }
    if (def.flags & 262144 /* DoCheck */) {
        directive.ngDoCheck();
    }
    return changed;
}
function _createProviderInstance$1(view, def) {
    // private services can see other private services
    const allowPrivateServices = (def.flags & 8192 /* PrivateProvider */) > 0;
    const providerDef = def.provider;
    switch (def.flags & 201347067 /* Types */) {
        case 512 /* TypeClassProvider */:
            return createClass(view, def.parent, allowPrivateServices, providerDef.value, providerDef.deps);
        case 1024 /* TypeFactoryProvider */:
            return callFactory(view, def.parent, allowPrivateServices, providerDef.value, providerDef.deps);
        case 2048 /* TypeUseExistingProvider */:
            return resolveDep(view, def.parent, allowPrivateServices, providerDef.deps[0]);
        case 256 /* TypeValueProvider */:
            return providerDef.value;
    }
}
function createClass(view, elDef, allowPrivateServices, ctor, deps) {
    const len = deps.length;
    switch (len) {
        case 0:
            return new ctor();
        case 1:
            return new ctor(resolveDep(view, elDef, allowPrivateServices, deps[0]));
        case 2:
            return new ctor(resolveDep(view, elDef, allowPrivateServices, deps[0]), resolveDep(view, elDef, allowPrivateServices, deps[1]));
        case 3:
            return new ctor(resolveDep(view, elDef, allowPrivateServices, deps[0]), resolveDep(view, elDef, allowPrivateServices, deps[1]), resolveDep(view, elDef, allowPrivateServices, deps[2]));
        default:
            const depValues = [];
            for (let i = 0; i < len; i++) {
                depValues.push(resolveDep(view, elDef, allowPrivateServices, deps[i]));
            }
            return new ctor(...depValues);
    }
}
function callFactory(view, elDef, allowPrivateServices, factory, deps) {
    const len = deps.length;
    switch (len) {
        case 0:
            return factory();
        case 1:
            return factory(resolveDep(view, elDef, allowPrivateServices, deps[0]));
        case 2:
            return factory(resolveDep(view, elDef, allowPrivateServices, deps[0]), resolveDep(view, elDef, allowPrivateServices, deps[1]));
        case 3:
            return factory(resolveDep(view, elDef, allowPrivateServices, deps[0]), resolveDep(view, elDef, allowPrivateServices, deps[1]), resolveDep(view, elDef, allowPrivateServices, deps[2]));
        default:
            const depValues = [];
            for (let i = 0; i < len; i++) {
                depValues.push(resolveDep(view, elDef, allowPrivateServices, deps[i]));
            }
            return factory(...depValues);
    }
}
// This default value is when checking the hierarchy for a token.
//
// It means both:
// - the token is not provided by the current injector,
// - only the element injectors should be checked (ie do not check module injectors
//
//          mod1
//         /
//       el1   mod2
//         \  /
//         el2
//
// When requesting el2.injector.get(token), we should check in the following order and return the
// first found value:
// - el2.injector.get(token, default)
// - el1.injector.get(token, NOT_FOUND_CHECK_ONLY_ELEMENT_INJECTOR) -> do not check the module
// - mod2.injector.get(token, default)
const NOT_FOUND_CHECK_ONLY_ELEMENT_INJECTOR = {};
function resolveDep(view, elDef, allowPrivateServices, depDef, notFoundValue = Injector.THROW_IF_NOT_FOUND) {
    if (depDef.flags & 8 /* Value */) {
        return depDef.token;
    }
    const startView = view;
    if (depDef.flags & 2 /* Optional */) {
        notFoundValue = null;
    }
    const tokenKey = depDef.tokenKey;
    if (tokenKey === ChangeDetectorRefTokenKey) {
        // directives on the same element as a component should be able to control the change detector
        // of that component as well.
        allowPrivateServices = !!(elDef && elDef.element.componentView);
    }
    if (elDef && (depDef.flags & 1 /* SkipSelf */)) {
        allowPrivateServices = false;
        elDef = elDef.parent;
    }
    let searchView = view;
    while (searchView) {
        if (elDef) {
            switch (tokenKey) {
                case Renderer2TokenKey: {
                    const compView = findCompView(searchView, elDef, allowPrivateServices);
                    return compView.renderer;
                }
                case ElementRefTokenKey:
                    return new ElementRef(asElementData(searchView, elDef.nodeIndex).renderElement);
                case ViewContainerRefTokenKey:
                    return asElementData(searchView, elDef.nodeIndex).viewContainer;
                case TemplateRefTokenKey: {
                    if (elDef.element.template) {
                        return asElementData(searchView, elDef.nodeIndex).template;
                    }
                    break;
                }
                case ChangeDetectorRefTokenKey: {
                    let cdView = findCompView(searchView, elDef, allowPrivateServices);
                    return createChangeDetectorRef(cdView);
                }
                case InjectorRefTokenKey$1:
                case INJECTORRefTokenKey$1:
                    return createInjector$1(searchView, elDef);
                default:
                    const providerDef = (allowPrivateServices ? elDef.element.allProviders :
                        elDef.element.publicProviders)[tokenKey];
                    if (providerDef) {
                        let providerData = asProviderData(searchView, providerDef.nodeIndex);
                        if (!providerData) {
                            providerData = { instance: _createProviderInstance$1(searchView, providerDef) };
                            searchView.nodes[providerDef.nodeIndex] = providerData;
                        }
                        return providerData.instance;
                    }
            }
        }
        allowPrivateServices = isComponentView(searchView);
        elDef = viewParentEl(searchView);
        searchView = searchView.parent;
        if (depDef.flags & 4 /* Self */) {
            searchView = null;
        }
    }
    const value = startView.root.injector.get(depDef.token, NOT_FOUND_CHECK_ONLY_ELEMENT_INJECTOR);
    if (value !== NOT_FOUND_CHECK_ONLY_ELEMENT_INJECTOR ||
        notFoundValue === NOT_FOUND_CHECK_ONLY_ELEMENT_INJECTOR) {
        // Return the value from the root element injector when
        // - it provides it
        //   (value !== NOT_FOUND_CHECK_ONLY_ELEMENT_INJECTOR)
        // - the module injector should not be checked
        //   (notFoundValue === NOT_FOUND_CHECK_ONLY_ELEMENT_INJECTOR)
        return value;
    }
    return startView.root.ngModule.injector.get(depDef.token, notFoundValue);
}
function findCompView(view, elDef, allowPrivateServices) {
    let compView;
    if (allowPrivateServices) {
        compView = asElementData(view, elDef.nodeIndex).componentView;
    }
    else {
        compView = view;
        while (compView.parent && !isComponentView(compView)) {
            compView = compView.parent;
        }
    }
    return compView;
}
function updateProp(view, providerData, def, bindingIdx, value, changes) {
    if (def.flags & 32768 /* Component */) {
        const compView = asElementData(view, def.parent.nodeIndex).componentView;
        if (compView.def.flags & 2 /* OnPush */) {
            compView.state |= 8 /* ChecksEnabled */;
        }
    }
    const binding = def.bindings[bindingIdx];
    const propName = binding.name;
    // Note: This is still safe with Closure Compiler as
    // the user passed in the property name as an object has to `providerDef`,
    // so Closure Compiler will have renamed the property correctly already.
    providerData.instance[propName] = value;
    if (def.flags & 524288 /* OnChanges */) {
        changes = changes || {};
        const oldValue = WrappedValue.unwrap(view.oldValues[def.bindingIndex + bindingIdx]);
        const binding = def.bindings[bindingIdx];
        changes[binding.nonMinifiedName] =
            new SimpleChange(oldValue, value, (view.state & 2 /* FirstCheck */) !== 0);
    }
    view.oldValues[def.bindingIndex + bindingIdx] = value;
    return changes;
}
// This function calls the ngAfterContentCheck, ngAfterContentInit,
// ngAfterViewCheck, and ngAfterViewInit lifecycle hooks (depending on the node
// flags in lifecycle). Unlike ngDoCheck, ngOnChanges and ngOnInit, which are
// called during a pre-order traversal of the view tree (that is calling the
// parent hooks before the child hooks) these events are sent in using a
// post-order traversal of the tree (children before parents). This changes the
// meaning of initIndex in the view state. For ngOnInit, initIndex tracks the
// expected nodeIndex which a ngOnInit should be called. When sending
// ngAfterContentInit and ngAfterViewInit it is the expected count of
// ngAfterContentInit or ngAfterViewInit methods that have been called. This
// ensure that despite being called recursively or after picking up after an
// exception, the ngAfterContentInit or ngAfterViewInit will be called on the
// correct nodes. Consider for example, the following (where E is an element
// and D is a directive)
//  Tree:       pre-order index  post-order index
//    E1        0                6
//      E2      1                1
//       D3     2                0
//      E4      3                5
//       E5     4                4
//        E6    5                2
//        E7    6                3
// As can be seen, the post-order index has an unclear relationship to the
// pre-order index (postOrderIndex === preOrderIndex - parentCount +
// childCount). Since number of calls to ngAfterContentInit and ngAfterViewInit
// are stable (will be the same for the same view regardless of exceptions or
// recursion) we just need to count them which will roughly correspond to the
// post-order index (it skips elements and directives that do not have
// lifecycle hooks).
//
// For example, if an exception is raised in the E6.onAfterViewInit() the
// initIndex is left at 3 (by shouldCallLifecycleInitHook() which set it to
// initIndex + 1). When checkAndUpdateView() is called again D3, E2 and E6 will
// not have their ngAfterViewInit() called but, starting with E7, the rest of
// the view will begin getting ngAfterViewInit() called until a check and
// pass is complete.
//
// This algorthim also handles recursion. Consider if E4's ngAfterViewInit()
// indirectly calls E1's ChangeDetectorRef.detectChanges(). The expected
// initIndex is set to 6, the recusive checkAndUpdateView() starts walk again.
// D3, E2, E6, E7, E5 and E4 are skipped, ngAfterViewInit() is called on E1.
// When the recursion returns the initIndex will be 7 so E1 is skipped as it
// has already been called in the recursively called checkAnUpdateView().
function callLifecycleHooksChildrenFirst(view, lifecycles) {
    if (!(view.def.nodeFlags & lifecycles)) {
        return;
    }
    const nodes = view.def.nodes;
    let initIndex = 0;
    for (let i = 0; i < nodes.length; i++) {
        const nodeDef = nodes[i];
        let parent = nodeDef.parent;
        if (!parent && nodeDef.flags & lifecycles) {
            // matching root node (e.g. a pipe)
            callProviderLifecycles(view, i, nodeDef.flags & lifecycles, initIndex++);
        }
        if ((nodeDef.childFlags & lifecycles) === 0) {
            // no child matches one of the lifecycles
            i += nodeDef.childCount;
        }
        while (parent && (parent.flags & 1 /* TypeElement */) &&
            i === parent.nodeIndex + parent.childCount) {
            // last child of an element
            if (parent.directChildFlags & lifecycles) {
                initIndex = callElementProvidersLifecycles(view, parent, lifecycles, initIndex);
            }
            parent = parent.parent;
        }
    }
}
function callElementProvidersLifecycles(view, elDef, lifecycles, initIndex) {
    for (let i = elDef.nodeIndex + 1; i <= elDef.nodeIndex + elDef.childCount; i++) {
        const nodeDef = view.def.nodes[i];
        if (nodeDef.flags & lifecycles) {
            callProviderLifecycles(view, i, nodeDef.flags & lifecycles, initIndex++);
        }
        // only visit direct children
        i += nodeDef.childCount;
    }
    return initIndex;
}
function callProviderLifecycles(view, index, lifecycles, initIndex) {
    const providerData = asProviderData(view, index);
    if (!providerData) {
        return;
    }
    const provider = providerData.instance;
    if (!provider) {
        return;
    }
    Services.setCurrentNode(view, index);
    if (lifecycles & 1048576 /* AfterContentInit */ &&
        shouldCallLifecycleInitHook(view, 512 /* InitState_CallingAfterContentInit */, initIndex)) {
        provider.ngAfterContentInit();
    }
    if (lifecycles & 2097152 /* AfterContentChecked */) {
        provider.ngAfterContentChecked();
    }
    if (lifecycles & 4194304 /* AfterViewInit */ &&
        shouldCallLifecycleInitHook(view, 768 /* InitState_CallingAfterViewInit */, initIndex)) {
        provider.ngAfterViewInit();
    }
    if (lifecycles & 8388608 /* AfterViewChecked */) {
        provider.ngAfterViewChecked();
    }
    if (lifecycles & 131072 /* OnDestroy */) {
        provider.ngOnDestroy();
    }
}

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
class ComponentFactoryResolver$1 extends ComponentFactoryResolver {
    /**
     * @param ngModule The NgModuleRef to which all resolved factories are bound.
     */
    constructor(ngModule) {
        super();
        this.ngModule = ngModule;
    }
    resolveComponentFactory(component) {
        ngDevMode && assertComponentType(component);
        const componentDef = getComponentDef(component);
        return new ComponentFactory$1(componentDef, this.ngModule);
    }
}
function toRefArray(map) {
    const array = [];
    for (let nonMinified in map) {
        if (map.hasOwnProperty(nonMinified)) {
            const minified = map[nonMinified];
            array.push({ propName: minified, templateName: nonMinified });
        }
    }
    return array;
}
function getNamespace$1(elementName) {
    const name = elementName.toLowerCase();
    return name === 'svg' ? SVG_NAMESPACE : (name === 'math' ? MATH_ML_NAMESPACE : null);
}
/**
 * A change detection scheduler token for {@link RootContext}. This token is the default value used
 * for the default `RootContext` found in the {@link ROOT_CONTEXT} token.
 */
const SCHEDULER = new InjectionToken('SCHEDULER_TOKEN', {
    providedIn: 'root',
    factory: () => defaultScheduler,
});
function createChainedInjector(rootViewInjector, moduleInjector) {
    return {
        get: (token, notFoundValue, flags) => {
            const value = rootViewInjector.get(token, NOT_FOUND_CHECK_ONLY_ELEMENT_INJECTOR, flags);
            if (value !== NOT_FOUND_CHECK_ONLY_ELEMENT_INJECTOR ||
                notFoundValue === NOT_FOUND_CHECK_ONLY_ELEMENT_INJECTOR) {
                // Return the value from the root element injector when
                // - it provides it
                //   (value !== NOT_FOUND_CHECK_ONLY_ELEMENT_INJECTOR)
                // - the module injector should not be checked
                //   (notFoundValue === NOT_FOUND_CHECK_ONLY_ELEMENT_INJECTOR)
                return value;
            }
            return moduleInjector.get(token, notFoundValue, flags);
        }
    };
}
/**
 * Render3 implementation of {@link viewEngine_ComponentFactory}.
 */
class ComponentFactory$1 extends ComponentFactory {
    /**
     * @param componentDef The component definition.
     * @param ngModule The NgModuleRef to which the factory is bound.
     */
    constructor(componentDef, ngModule) {
        super();
        this.componentDef = componentDef;
        this.ngModule = ngModule;
        this.componentType = componentDef.type;
        this.selector = stringifyCSSSelectorList(componentDef.selectors);
        this.ngContentSelectors =
            componentDef.ngContentSelectors ? componentDef.ngContentSelectors : [];
        this.isBoundToModule = !!ngModule;
    }
    get inputs() {
        return toRefArray(this.componentDef.inputs);
    }
    get outputs() {
        return toRefArray(this.componentDef.outputs);
    }
    create(injector, projectableNodes, rootSelectorOrNode, ngModule) {
        ngModule = ngModule || this.ngModule;
        const rootViewInjector = ngModule ? createChainedInjector(injector, ngModule.injector) : injector;
        const rendererFactory = rootViewInjector.get(RendererFactory2, domRendererFactory3);
        const sanitizer = rootViewInjector.get(Sanitizer, null);
        const hostRenderer = rendererFactory.createRenderer(null, this.componentDef);
        // Determine a tag name used for creating host elements when this component is created
        // dynamically. Default to 'div' if this component did not specify any tag name in its selector.
        const elementName = this.componentDef.selectors[0][0] || 'div';
        const hostRNode = rootSelectorOrNode ?
            locateHostElement(hostRenderer, rootSelectorOrNode, this.componentDef.encapsulation) :
            createElementNode(rendererFactory.createRenderer(null, this.componentDef), elementName, getNamespace$1(elementName));
        const rootFlags = this.componentDef.onPush ? 64 /* Dirty */ | 512 /* IsRoot */ :
            16 /* CheckAlways */ | 512 /* IsRoot */;
        const rootContext = createRootContext();
        // Create the root view. Uses empty TView and ContentTemplate.
        const rootTView = createTView(0 /* Root */, null, null, 1, 0, null, null, null, null, null);
        const rootLView = createLView(null, rootTView, rootContext, rootFlags, null, null, rendererFactory, hostRenderer, sanitizer, rootViewInjector);
        // rootView is the parent when bootstrapping
        // TODO(misko): it looks like we are entering view here but we don't really need to as
        // `renderView` does that. However as the code is written it is needed because
        // `createRootComponentView` and `createRootComponent` both read global state. Fixing those
        // issues would allow us to drop this.
        enterView(rootLView);
        let component;
        let tElementNode;
        try {
            const componentView = createRootComponentView(hostRNode, this.componentDef, rootLView, rendererFactory, hostRenderer);
            if (hostRNode) {
                if (rootSelectorOrNode) {
                    setUpAttributes(hostRenderer, hostRNode, ['ng-version', VERSION.full]);
                }
                else {
                    // If host element is created as a part of this function call (i.e. `rootSelectorOrNode`
                    // is not defined), also apply attributes and classes extracted from component selector.
                    // Extract attributes and classes from the first selector only to match VE behavior.
                    const { attrs, classes } = extractAttrsAndClassesFromSelector(this.componentDef.selectors[0]);
                    if (attrs) {
                        setUpAttributes(hostRenderer, hostRNode, attrs);
                    }
                    if (classes && classes.length > 0) {
                        writeDirectClass(hostRenderer, hostRNode, classes.join(' '));
                    }
                }
            }
            tElementNode = getTNode(rootTView, HEADER_OFFSET);
            if (projectableNodes !== undefined) {
                const projection = tElementNode.projection = [];
                for (let i = 0; i < this.ngContentSelectors.length; i++) {
                    const nodesforSlot = projectableNodes[i];
                    // Projectable nodes can be passed as array of arrays or an array of iterables (ngUpgrade
                    // case). Here we do normalize passed data structure to be an array of arrays to avoid
                    // complex checks down the line.
                    // We also normalize the length of the passed in projectable nodes (to match the number of
                    // <ng-container> slots defined by a component).
                    projection.push(nodesforSlot != null ? Array.from(nodesforSlot) : null);
                }
            }
            // TODO: should LifecycleHooksFeature and other host features be generated by the compiler and
            // executed here?
            // Angular 5 reference: https://stackblitz.com/edit/lifecycle-hooks-vcref
            component = createRootComponent(componentView, this.componentDef, rootLView, rootContext, [LifecycleHooksFeature]);
            renderView(rootTView, rootLView, null);
        }
        finally {
            leaveView();
        }
        return new ComponentRef$1(this.componentType, component, createElementRef(tElementNode, rootLView), rootLView, tElementNode);
    }
}
const componentFactoryResolver = new ComponentFactoryResolver$1();
/**
 * Creates a ComponentFactoryResolver and stores it on the injector. Or, if the
 * ComponentFactoryResolver
 * already exists, retrieves the existing ComponentFactoryResolver.
 *
 * @returns The ComponentFactoryResolver instance to use
 */
function injectComponentFactoryResolver() {
    return componentFactoryResolver;
}
/**
 * Represents an instance of a Component created via a {@link ComponentFactory}.
 *
 * `ComponentRef` provides access to the Component Instance as well other objects related to this
 * Component Instance and allows you to destroy the Component Instance via the {@link #destroy}
 * method.
 *
 */
class ComponentRef$1 extends ComponentRef {
    constructor(componentType, instance, location, _rootLView, _tNode) {
        super();
        this.location = location;
        this._rootLView = _rootLView;
        this._tNode = _tNode;
        this.instance = instance;
        this.hostView = this.changeDetectorRef = new RootViewRef(_rootLView);
        this.componentType = componentType;
    }
    get injector() {
        return new NodeInjector(this._tNode, this._rootLView);
    }
    destroy() {
        this.hostView.destroy();
    }
    onDestroy(callback) {
        this.hostView.onDestroy(callback);
    }
}

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
/**
 * Adds decorator, constructor, and property metadata to a given type via static metadata fields
 * on the type.
 *
 * These metadata fields can later be read with Angular's `ReflectionCapabilities` API.
 *
 * Calls to `setClassMetadata` can be guarded by ngDevMode, resulting in the metadata assignments
 * being tree-shaken away during production builds.
 */
function setClassMetadata(type, decorators, ctorParameters, propDecorators) {
    return noSideEffects(() => {
        const clazz = type;
        if (decorators !== null) {
            if (clazz.hasOwnProperty('decorators') && clazz.decorators !== undefined) {
                clazz.decorators.push(...decorators);
            }
            else {
                clazz.decorators = decorators;
            }
        }
        if (ctorParameters !== null) {
            // Rather than merging, clobber the existing parameters. If other projects exist which
            // use tsickle-style annotations and reflect over them in the same way, this could
            // cause issues, but that is vanishingly unlikely.
            clazz.ctorParameters = ctorParameters;
        }
        if (propDecorators !== null) {
            // The property decorator objects are merged as it is possible different fields have
            // different decorator types. Decorators on individual fields are not merged, as it's
            // also incredibly unlikely that a field will be decorated both with an Angular
            // decorator and a non-Angular decorator that's also been downleveled.
            if (clazz.hasOwnProperty('propDecorators') && clazz.propDecorators !== undefined) {
                clazz.propDecorators = Object.assign(Object.assign({}, clazz.propDecorators), propDecorators);
            }
            else {
                clazz.propDecorators = propDecorators;
            }
        }
    });
}

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
/**
 * Map of module-id to the corresponding NgModule.
 * - In pre Ivy we track NgModuleFactory,
 * - In post Ivy we track the NgModuleType
 */
const modules = new Map();
/**
 * Registers a loaded module. Should only be called from generated NgModuleFactory code.
 * @publicApi
 */
function registerModuleFactory(id, factory) {
    const existing = modules.get(id);
    assertSameOrNotExisting(id, existing && existing.moduleType, factory.moduleType);
    modules.set(id, factory);
}
function assertSameOrNotExisting(id, type, incoming) {
    if (type && type !== incoming) {
        throw new Error(`Duplicate module registered for ${id} - ${stringify(type)} vs ${stringify(type.name)}`);
    }
}
function registerNgModuleType(ngModuleType) {
    const visited = new Set();
    recurse(ngModuleType);
    function recurse(ngModuleType) {
        // The imports array of an NgModule must refer to other NgModules,
        // so an error is thrown if no module definition is available.
        const def = getNgModuleDef(ngModuleType, /* throwNotFound */ true);
        const id = def.id;
        if (id !== null) {
            const existing = modules.get(id);
            assertSameOrNotExisting(id, existing, ngModuleType);
            modules.set(id, ngModuleType);
        }
        const imports = maybeUnwrapFn(def.imports);
        for (const i of imports) {
            if (!visited.has(i)) {
                visited.add(i);
                recurse(i);
            }
        }
    }
}
function clearModulesForTest() {
    modules.clear();
}
function getRegisteredNgModuleType(id) {
    return modules.get(id) || autoRegisterModuleById[id];
}

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
class NgModuleRef$1 extends NgModuleRef {
    constructor(ngModuleType, _parent) {
        super();
        this._parent = _parent;
        // tslint:disable-next-line:require-internal-with-underscore
        this._bootstrapComponents = [];
        this.injector = this;
        this.destroyCbs = [];
        // When bootstrapping a module we have a dependency graph that looks like this:
        // ApplicationRef -> ComponentFactoryResolver -> NgModuleRef. The problem is that if the
        // module being resolved tries to inject the ComponentFactoryResolver, it'll create a
        // circular dependency which will result in a runtime error, because the injector doesn't
        // exist yet. We work around the issue by creating the ComponentFactoryResolver ourselves
        // and providing it, rather than letting the injector resolve it.
        this.componentFactoryResolver = new ComponentFactoryResolver$1(this);
        const ngModuleDef = getNgModuleDef(ngModuleType);
        ngDevMode &&
            assertDefined(ngModuleDef, `NgModule '${stringify(ngModuleType)}' is not a subtype of 'NgModuleType'.`);
        const ngLocaleIdDef = getNgLocaleIdDef(ngModuleType);
        ngLocaleIdDef && setLocaleId(ngLocaleIdDef);
        this._bootstrapComponents = maybeUnwrapFn(ngModuleDef.bootstrap);
        this._r3Injector = createInjectorWithoutInjectorInstances(ngModuleType, _parent, [
            { provide: NgModuleRef, useValue: this }, {
                provide: ComponentFactoryResolver,
                useValue: this.componentFactoryResolver
            }
        ], stringify(ngModuleType));
        // We need to resolve the injector types separately from the injector creation, because
        // the module might be trying to use this ref in its contructor for DI which will cause a
        // circular error that will eventually error out, because the injector isn't created yet.
        this._r3Injector._resolveInjectorDefTypes();
        this.instance = this.get(ngModuleType);
    }
    get(token, notFoundValue = Injector.THROW_IF_NOT_FOUND, injectFlags = InjectFlags.Default) {
        if (token === Injector || token === NgModuleRef || token === INJECTOR$1) {
            return this;
        }
        return this._r3Injector.get(token, notFoundValue, injectFlags);
    }
    destroy() {
        ngDevMode && assertDefined(this.destroyCbs, 'NgModule already destroyed');
        const injector = this._r3Injector;
        !injector.destroyed && injector.destroy();
        this.destroyCbs.forEach(fn => fn());
        this.destroyCbs = null;
    }
    onDestroy(callback) {
        ngDevMode && assertDefined(this.destroyCbs, 'NgModule already destroyed');
        this.destroyCbs.push(callback);
    }
}
class NgModuleFactory$1 extends NgModuleFactory {
    constructor(moduleType) {
        super();
        this.moduleType = moduleType;
        const ngModuleDef = getNgModuleDef(moduleType);
        if (ngModuleDef !== null) {
            // Register the NgModule with Angular's module registry. The location (and hence timing) of
            // this call is critical to ensure this works correctly (modules get registered when expected)
            // without bloating bundles (modules are registered when otherwise not referenced).
            //
            // In View Engine, registration occurs in the .ngfactory.js file as a side effect. This has
            // several practical consequences:
            //
            // - If an .ngfactory file is not imported from, the module won't be registered (and can be
            //   tree shaken).
            // - If an .ngfactory file is imported from, the module will be registered even if an instance
            //   is not actually created (via `create` below).
            // - Since an .ngfactory file in View Engine references the .ngfactory files of the NgModule's
            //   imports,
            //
            // In Ivy, things are a bit different. .ngfactory files still exist for compatibility, but are
            // not a required API to use - there are other ways to obtain an NgModuleFactory for a given
            // NgModule. Thus, relying on a side effect in the .ngfactory file is not sufficient. Instead,
            // the side effect of registration is added here, in the constructor of NgModuleFactory,
            // ensuring no matter how a factory is created, the module is registered correctly.
            //
            // An alternative would be to include the registration side effect inline following the actual
            // NgModule definition. This also has the correct timing, but breaks tree-shaking - modules
            // will be registered and retained even if they're otherwise never referenced.
            registerNgModuleType(moduleType);
        }
    }
    create(parentInjector) {
        return new NgModuleRef$1(this.moduleType, parentInjector);
    }
}

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
/**
 * Bindings for pure functions are stored after regular bindings.
 *
 * |-------decls------|---------vars---------|                 |----- hostVars (dir1) ------|
 * ------------------------------------------------------------------------------------------
 * | nodes/refs/pipes | bindings | fn slots  | injector | dir1 | host bindings | host slots |
 * ------------------------------------------------------------------------------------------
 *                    ^                      ^
 *      TView.bindingStartIndex      TView.expandoStartIndex
 *
 * Pure function instructions are given an offset from the binding root. Adding the offset to the
 * binding root gives the first index where the bindings are stored. In component views, the binding
 * root is the bindingStartIndex. In host bindings, the binding root is the expandoStartIndex +
 * any directive instances + any hostVars in directives evaluated before it.
 *
 * See VIEW_DATA.md for more information about host binding resolution.
 */
/**
 * If the value hasn't been saved, calls the pure function to store and return the
 * value. If it has been saved, returns the saved value.
 *
 * @param slotOffset the offset from binding root to the reserved slot
 * @param pureFn Function that returns a value
 * @param thisArg Optional calling context of pureFn
 * @returns value
 *
 * @codeGenApi
 */
function ɵɵpureFunction0(slotOffset, pureFn, thisArg) {
    const bindingIndex = getBindingRoot() + slotOffset;
    const lView = getLView();
    return lView[bindingIndex] === NO_CHANGE ?
        updateBinding(lView, bindingIndex, thisArg ? pureFn.call(thisArg) : pureFn()) :
        getBinding(lView, bindingIndex);
}
/**
 * If the value of the provided exp has changed, calls the pure function to return
 * an updated value. Or if the value has not changed, returns cached value.
 *
 * @param slotOffset the offset from binding root to the reserved slot
 * @param pureFn Function that returns an updated value
 * @param exp Updated expression value
 * @param thisArg Optional calling context of pureFn
 * @returns Updated or cached value
 *
 * @codeGenApi
 */
function ɵɵpureFunction1(slotOffset, pureFn, exp, thisArg) {
    return pureFunction1Internal(getLView(), getBindingRoot(), slotOffset, pureFn, exp, thisArg);
}
/**
 * If the value of any provided exp has changed, calls the pure function to return
 * an updated value. Or if no values have changed, returns cached value.
 *
 * @param slotOffset the offset from binding root to the reserved slot
 * @param pureFn
 * @param exp1
 * @param exp2
 * @param thisArg Optional calling context of pureFn
 * @returns Updated or cached value
 *
 * @codeGenApi
 */
function ɵɵpureFunction2(slotOffset, pureFn, exp1, exp2, thisArg) {
    return pureFunction2Internal(getLView(), getBindingRoot(), slotOffset, pureFn, exp1, exp2, thisArg);
}
/**
 * If the value of any provided exp has changed, calls the pure function to return
 * an updated value. Or if no values have changed, returns cached value.
 *
 * @param slotOffset the offset from binding root to the reserved slot
 * @param pureFn
 * @param exp1
 * @param exp2
 * @param exp3
 * @param thisArg Optional calling context of pureFn
 * @returns Updated or cached value
 *
 * @codeGenApi
 */
function ɵɵpureFunction3(slotOffset, pureFn, exp1, exp2, exp3, thisArg) {
    return pureFunction3Internal(getLView(), getBindingRoot(), slotOffset, pureFn, exp1, exp2, exp3, thisArg);
}
/**
 * If the value of any provided exp has changed, calls the pure function to return
 * an updated value. Or if no values have changed, returns cached value.
 *
 * @param slotOffset the offset from binding root to the reserved slot
 * @param pureFn
 * @param exp1
 * @param exp2
 * @param exp3
 * @param exp4
 * @param thisArg Optional calling context of pureFn
 * @returns Updated or cached value
 *
 * @codeGenApi
 */
function ɵɵpureFunction4(slotOffset, pureFn, exp1, exp2, exp3, exp4, thisArg) {
    return pureFunction4Internal(getLView(), getBindingRoot(), slotOffset, pureFn, exp1, exp2, exp3, exp4, thisArg);
}
/**
 * If the value of any provided exp has changed, calls the pure function to return
 * an updated value. Or if no values have changed, returns cached value.
 *
 * @param slotOffset the offset from binding root to the reserved slot
 * @param pureFn
 * @param exp1
 * @param exp2
 * @param exp3
 * @param exp4
 * @param exp5
 * @param thisArg Optional calling context of pureFn
 * @returns Updated or cached value
 *
 * @codeGenApi
 */
function ɵɵpureFunction5(slotOffset, pureFn, exp1, exp2, exp3, exp4, exp5, thisArg) {
    const bindingIndex = getBindingRoot() + slotOffset;
    const lView = getLView();
    const different = bindingUpdated4(lView, bindingIndex, exp1, exp2, exp3, exp4);
    return bindingUpdated(lView, bindingIndex + 4, exp5) || different ?
        updateBinding(lView, bindingIndex + 5, thisArg ? pureFn.call(thisArg, exp1, exp2, exp3, exp4, exp5) :
            pureFn(exp1, exp2, exp3, exp4, exp5)) :
        getBinding(lView, bindingIndex + 5);
}
/**
 * If the value of any provided exp has changed, calls the pure function to return
 * an updated value. Or if no values have changed, returns cached value.
 *
 * @param slotOffset the offset from binding root to the reserved slot
 * @param pureFn
 * @param exp1
 * @param exp2
 * @param exp3
 * @param exp4
 * @param exp5
 * @param exp6
 * @param thisArg Optional calling context of pureFn
 * @returns Updated or cached value
 *
 * @codeGenApi
 */
function ɵɵpureFunction6(slotOffset, pureFn, exp1, exp2, exp3, exp4, exp5, exp6, thisArg) {
    const bindingIndex = getBindingRoot() + slotOffset;
    const lView = getLView();
    const different = bindingUpdated4(lView, bindingIndex, exp1, exp2, exp3, exp4);
    return bindingUpdated2(lView, bindingIndex + 4, exp5, exp6) || different ?
        updateBinding(lView, bindingIndex + 6, thisArg ? pureFn.call(thisArg, exp1, exp2, exp3, exp4, exp5, exp6) :
            pureFn(exp1, exp2, exp3, exp4, exp5, exp6)) :
        getBinding(lView, bindingIndex + 6);
}
/**
 * If the value of any provided exp has changed, calls the pure function to return
 * an updated value. Or if no values have changed, returns cached value.
 *
 * @param slotOffset the offset from binding root to the reserved slot
 * @param pureFn
 * @param exp1
 * @param exp2
 * @param exp3
 * @param exp4
 * @param exp5
 * @param exp6
 * @param exp7
 * @param thisArg Optional calling context of pureFn
 * @returns Updated or cached value
 *
 * @codeGenApi
 */
function ɵɵpureFunction7(slotOffset, pureFn, exp1, exp2, exp3, exp4, exp5, exp6, exp7, thisArg) {
    const bindingIndex = getBindingRoot() + slotOffset;
    const lView = getLView();
    let different = bindingUpdated4(lView, bindingIndex, exp1, exp2, exp3, exp4);
    return bindingUpdated3(lView, bindingIndex + 4, exp5, exp6, exp7) || different ?
        updateBinding(lView, bindingIndex + 7, thisArg ? pureFn.call(thisArg, exp1, exp2, exp3, exp4, exp5, exp6, exp7) :
            pureFn(exp1, exp2, exp3, exp4, exp5, exp6, exp7)) :
        getBinding(lView, bindingIndex + 7);
}
/**
 * If the value of any provided exp has changed, calls the pure function to return
 * an updated value. Or if no values have changed, returns cached value.
 *
 * @param slotOffset the offset from binding root to the reserved slot
 * @param pureFn
 * @param exp1
 * @param exp2
 * @param exp3
 * @param exp4
 * @param exp5
 * @param exp6
 * @param exp7
 * @param exp8
 * @param thisArg Optional calling context of pureFn
 * @returns Updated or cached value
 *
 * @codeGenApi
 */
function ɵɵpureFunction8(slotOffset, pureFn, exp1, exp2, exp3, exp4, exp5, exp6, exp7, exp8, thisArg) {
    const bindingIndex = getBindingRoot() + slotOffset;
    const lView = getLView();
    const different = bindingUpdated4(lView, bindingIndex, exp1, exp2, exp3, exp4);
    return bindingUpdated4(lView, bindingIndex + 4, exp5, exp6, exp7, exp8) || different ?
        updateBinding(lView, bindingIndex + 8, thisArg ? pureFn.call(thisArg, exp1, exp2, exp3, exp4, exp5, exp6, exp7, exp8) :
            pureFn(exp1, exp2, exp3, exp4, exp5, exp6, exp7, exp8)) :
        getBinding(lView, bindingIndex + 8);
}
/**
 * pureFunction instruction that can support any number of bindings.
 *
 * If the value of any provided exp has changed, calls the pure function to return
 * an updated value. Or if no values have changed, returns cached value.
 *
 * @param slotOffset the offset from binding root to the reserved slot
 * @param pureFn A pure function that takes binding values and builds an object or array
 * containing those values.
 * @param exps An array of binding values
 * @param thisArg Optional calling context of pureFn
 * @returns Updated or cached value
 *
 * @codeGenApi
 */
function ɵɵpureFunctionV(slotOffset, pureFn, exps, thisArg) {
    return pureFunctionVInternal(getLView(), getBindingRoot(), slotOffset, pureFn, exps, thisArg);
}
/**
 * Results of a pure function invocation are stored in LView in a dedicated slot that is initialized
 * to NO_CHANGE. In rare situations a pure pipe might throw an exception on the very first
 * invocation and not produce any valid results. In this case LView would keep holding the NO_CHANGE
 * value. The NO_CHANGE is not something that we can use in expressions / bindings thus we convert
 * it to `undefined`.
 */
function getPureFunctionReturnValue(lView, returnValueIndex) {
    ngDevMode && assertIndexInRange(lView, returnValueIndex);
    const lastReturnValue = lView[returnValueIndex];
    return lastReturnValue === NO_CHANGE ? undefined : lastReturnValue;
}
/**
 * If the value of the provided exp has changed, calls the pure function to return
 * an updated value. Or if the value has not changed, returns cached value.
 *
 * @param lView LView in which the function is being executed.
 * @param bindingRoot Binding root index.
 * @param slotOffset the offset from binding root to the reserved slot
 * @param pureFn Function that returns an updated value
 * @param exp Updated expression value
 * @param thisArg Optional calling context of pureFn
 * @returns Updated or cached value
 */
function pureFunction1Internal(lView, bindingRoot, slotOffset, pureFn, exp, thisArg) {
    const bindingIndex = bindingRoot + slotOffset;
    return bindingUpdated(lView, bindingIndex, exp) ?
        updateBinding(lView, bindingIndex + 1, thisArg ? pureFn.call(thisArg, exp) : pureFn(exp)) :
        getPureFunctionReturnValue(lView, bindingIndex + 1);
}
/**
 * If the value of any provided exp has changed, calls the pure function to return
 * an updated value. Or if no values have changed, returns cached value.
 *
 * @param lView LView in which the function is being executed.
 * @param bindingRoot Binding root index.
 * @param slotOffset the offset from binding root to the reserved slot
 * @param pureFn
 * @param exp1
 * @param exp2
 * @param thisArg Optional calling context of pureFn
 * @returns Updated or cached value
 */
function pureFunction2Internal(lView, bindingRoot, slotOffset, pureFn, exp1, exp2, thisArg) {
    const bindingIndex = bindingRoot + slotOffset;
    return bindingUpdated2(lView, bindingIndex, exp1, exp2) ?
        updateBinding(lView, bindingIndex + 2, thisArg ? pureFn.call(thisArg, exp1, exp2) : pureFn(exp1, exp2)) :
        getPureFunctionReturnValue(lView, bindingIndex + 2);
}
/**
 * If the value of any provided exp has changed, calls the pure function to return
 * an updated value. Or if no values have changed, returns cached value.
 *
 * @param lView LView in which the function is being executed.
 * @param bindingRoot Binding root index.
 * @param slotOffset the offset from binding root to the reserved slot
 * @param pureFn
 * @param exp1
 * @param exp2
 * @param exp3
 * @param thisArg Optional calling context of pureFn
 * @returns Updated or cached value
 */
function pureFunction3Internal(lView, bindingRoot, slotOffset, pureFn, exp1, exp2, exp3, thisArg) {
    const bindingIndex = bindingRoot + slotOffset;
    return bindingUpdated3(lView, bindingIndex, exp1, exp2, exp3) ?
        updateBinding(lView, bindingIndex + 3, thisArg ? pureFn.call(thisArg, exp1, exp2, exp3) : pureFn(exp1, exp2, exp3)) :
        getPureFunctionReturnValue(lView, bindingIndex + 3);
}
/**
 * If the value of any provided exp has changed, calls the pure function to return
 * an updated value. Or if no values have changed, returns cached value.
 *
 * @param lView LView in which the function is being executed.
 * @param bindingRoot Binding root index.
 * @param slotOffset the offset from binding root to the reserved slot
 * @param pureFn
 * @param exp1
 * @param exp2
 * @param exp3
 * @param exp4
 * @param thisArg Optional calling context of pureFn
 * @returns Updated or cached value
 *
 */
function pureFunction4Internal(lView, bindingRoot, slotOffset, pureFn, exp1, exp2, exp3, exp4, thisArg) {
    const bindingIndex = bindingRoot + slotOffset;
    return bindingUpdated4(lView, bindingIndex, exp1, exp2, exp3, exp4) ?
        updateBinding(lView, bindingIndex + 4, thisArg ? pureFn.call(thisArg, exp1, exp2, exp3, exp4) : pureFn(exp1, exp2, exp3, exp4)) :
        getPureFunctionReturnValue(lView, bindingIndex + 4);
}
/**
 * pureFunction instruction that can support any number of bindings.
 *
 * If the value of any provided exp has changed, calls the pure function to return
 * an updated value. Or if no values have changed, returns cached value.
 *
 * @param lView LView in which the function is being executed.
 * @param bindingRoot Binding root index.
 * @param slotOffset the offset from binding root to the reserved slot
 * @param pureFn A pure function that takes binding values and builds an object or array
 * containing those values.
 * @param exps An array of binding values
 * @param thisArg Optional calling context of pureFn
 * @returns Updated or cached value
 */
function pureFunctionVInternal(lView, bindingRoot, slotOffset, pureFn, exps, thisArg) {
    let bindingIndex = bindingRoot + slotOffset;
    let different = false;
    for (let i = 0; i < exps.length; i++) {
        bindingUpdated(lView, bindingIndex++, exps[i]) && (different = true);
    }
    return different ? updateBinding(lView, bindingIndex, pureFn.apply(thisArg, exps)) :
        getPureFunctionReturnValue(lView, bindingIndex);
}

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
/**
 * Create a pipe.
 *
 * @param index Pipe index where the pipe will be stored.
 * @param pipeName The name of the pipe
 * @returns T the instance of the pipe.
 *
 * @codeGenApi
 */
function ɵɵpipe(index, pipeName) {
    const tView = getTView();
    let pipeDef;
    const adjustedIndex = index + HEADER_OFFSET;
    if (tView.firstCreatePass) {
        pipeDef = getPipeDef$1(pipeName, tView.pipeRegistry);
        tView.data[adjustedIndex] = pipeDef;
        if (pipeDef.onDestroy) {
            (tView.destroyHooks || (tView.destroyHooks = [])).push(adjustedIndex, pipeDef.onDestroy);
        }
    }
    else {
        pipeDef = tView.data[adjustedIndex];
    }
    const pipeFactory = pipeDef.factory || (pipeDef.factory = getFactoryDef(pipeDef.type, true));
    const previousInjectImplementation = setInjectImplementation(ɵɵdirectiveInject);
    try {
        // DI for pipes is supposed to behave like directives when placed on a component
        // host node, which means that we have to disable access to `viewProviders`.
        const previousIncludeViewProviders = setIncludeViewProviders(false);
        const pipeInstance = pipeFactory();
        setIncludeViewProviders(previousIncludeViewProviders);
        store(tView, getLView(), adjustedIndex, pipeInstance);
        return pipeInstance;
    }
    finally {
        // we have to restore the injector implementation in finally, just in case the creation of the
        // pipe throws an error.
        setInjectImplementation(previousInjectImplementation);
    }
}
/**
 * Searches the pipe registry for a pipe with the given name. If one is found,
 * returns the pipe. Otherwise, an error is thrown because the pipe cannot be resolved.
 *
 * @param name Name of pipe to resolve
 * @param registry Full list of available pipes
 * @returns Matching PipeDef
 */
function getPipeDef$1(name, registry) {
    if (registry) {
        for (let i = registry.length - 1; i >= 0; i--) {
            const pipeDef = registry[i];
            if (name === pipeDef.name) {
                return pipeDef;
            }
        }
    }
    throw new RuntimeError("302" /* PIPE_NOT_FOUND */, `The pipe '${name}' could not be found!`);
}
/**
 * Invokes a pipe with 1 arguments.
 *
 * This instruction acts as a guard to {@link PipeTransform#transform} invoking
 * the pipe only when an input to the pipe changes.
 *
 * @param index Pipe index where the pipe was stored on creation.
 * @param slotOffset the offset in the reserved slot space
 * @param v1 1st argument to {@link PipeTransform#transform}.
 *
 * @codeGenApi
 */
function ɵɵpipeBind1(index, slotOffset, v1) {
    const adjustedIndex = index + HEADER_OFFSET;
    const lView = getLView();
    const pipeInstance = load(lView, adjustedIndex);
    return unwrapValue$1(lView, isPure(lView, adjustedIndex) ?
        pureFunction1Internal(lView, getBindingRoot(), slotOffset, pipeInstance.transform, v1, pipeInstance) :
        pipeInstance.transform(v1));
}
/**
 * Invokes a pipe with 2 arguments.
 *
 * This instruction acts as a guard to {@link PipeTransform#transform} invoking
 * the pipe only when an input to the pipe changes.
 *
 * @param index Pipe index where the pipe was stored on creation.
 * @param slotOffset the offset in the reserved slot space
 * @param v1 1st argument to {@link PipeTransform#transform}.
 * @param v2 2nd argument to {@link PipeTransform#transform}.
 *
 * @codeGenApi
 */
function ɵɵpipeBind2(index, slotOffset, v1, v2) {
    const adjustedIndex = index + HEADER_OFFSET;
    const lView = getLView();
    const pipeInstance = load(lView, adjustedIndex);
    return unwrapValue$1(lView, isPure(lView, adjustedIndex) ?
        pureFunction2Internal(lView, getBindingRoot(), slotOffset, pipeInstance.transform, v1, v2, pipeInstance) :
        pipeInstance.transform(v1, v2));
}
/**
 * Invokes a pipe with 3 arguments.
 *
 * This instruction acts as a guard to {@link PipeTransform#transform} invoking
 * the pipe only when an input to the pipe changes.
 *
 * @param index Pipe index where the pipe was stored on creation.
 * @param slotOffset the offset in the reserved slot space
 * @param v1 1st argument to {@link PipeTransform#transform}.
 * @param v2 2nd argument to {@link PipeTransform#transform}.
 * @param v3 4rd argument to {@link PipeTransform#transform}.
 *
 * @codeGenApi
 */
function ɵɵpipeBind3(index, slotOffset, v1, v2, v3) {
    const adjustedIndex = index + HEADER_OFFSET;
    const lView = getLView();
    const pipeInstance = load(lView, adjustedIndex);
    return unwrapValue$1(lView, isPure(lView, adjustedIndex) ? pureFunction3Internal(lView, getBindingRoot(), slotOffset, pipeInstance.transform, v1, v2, v3, pipeInstance) :
        pipeInstance.transform(v1, v2, v3));
}
/**
 * Invokes a pipe with 4 arguments.
 *
 * This instruction acts as a guard to {@link PipeTransform#transform} invoking
 * the pipe only when an input to the pipe changes.
 *
 * @param index Pipe index where the pipe was stored on creation.
 * @param slotOffset the offset in the reserved slot space
 * @param v1 1st argument to {@link PipeTransform#transform}.
 * @param v2 2nd argument to {@link PipeTransform#transform}.
 * @param v3 3rd argument to {@link PipeTransform#transform}.
 * @param v4 4th argument to {@link PipeTransform#transform}.
 *
 * @codeGenApi
 */
function ɵɵpipeBind4(index, slotOffset, v1, v2, v3, v4) {
    const adjustedIndex = index + HEADER_OFFSET;
    const lView = getLView();
    const pipeInstance = load(lView, adjustedIndex);
    return unwrapValue$1(lView, isPure(lView, adjustedIndex) ? pureFunction4Internal(lView, getBindingRoot(), slotOffset, pipeInstance.transform, v1, v2, v3, v4, pipeInstance) :
        pipeInstance.transform(v1, v2, v3, v4));
}
/**
 * Invokes a pipe with variable number of arguments.
 *
 * This instruction acts as a guard to {@link PipeTransform#transform} invoking
 * the pipe only when an input to the pipe changes.
 *
 * @param index Pipe index where the pipe was stored on creation.
 * @param slotOffset the offset in the reserved slot space
 * @param values Array of arguments to pass to {@link PipeTransform#transform} method.
 *
 * @codeGenApi
 */
function ɵɵpipeBindV(index, slotOffset, values) {
    const adjustedIndex = index + HEADER_OFFSET;
    const lView = getLView();
    const pipeInstance = load(lView, adjustedIndex);
    return unwrapValue$1(lView, isPure(lView, adjustedIndex) ?
        pureFunctionVInternal(lView, getBindingRoot(), slotOffset, pipeInstance.transform, values, pipeInstance) :
        pipeInstance.transform.apply(pipeInstance, values));
}
function isPure(lView, index) {
    return lView[TVIEW].data[index].pure;
}
/**
 * Unwrap the output of a pipe transformation.
 * In order to trick change detection into considering that the new value is always different from
 * the old one, the old value is overwritten by NO_CHANGE.
 *
 * @param newValue the pipe transformation output.
 */
function unwrapValue$1(lView, newValue) {
    if (WrappedValue.isWrapped(newValue)) {
        newValue = WrappedValue.unwrap(newValue);
        // The NO_CHANGE value needs to be written at the index where the impacted binding value is
        // stored
        const bindingToInvalidateIdx = getBindingIndex();
        lView[bindingToInvalidateIdx] = NO_CHANGE;
    }
    return newValue;
}

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
class EventEmitter_ extends rxjs__WEBPACK_IMPORTED_MODULE_0__.Subject {
    constructor(isAsync = false) {
        super();
        this.__isAsync = isAsync;
    }
    emit(value) {
        super.next(value);
    }
    subscribe(observerOrNext, error, complete) {
        var _a, _b, _c;
        let nextFn = observerOrNext;
        let errorFn = error || (() => null);
        let completeFn = complete;
        if (observerOrNext && typeof observerOrNext === 'object') {
            const observer = observerOrNext;
            nextFn = (_a = observer.next) === null || _a === void 0 ? void 0 : _a.bind(observer);
            errorFn = (_b = observer.error) === null || _b === void 0 ? void 0 : _b.bind(observer);
            completeFn = (_c = observer.complete) === null || _c === void 0 ? void 0 : _c.bind(observer);
        }
        if (this.__isAsync) {
            errorFn = _wrapInTimeout(errorFn);
            if (nextFn) {
                nextFn = _wrapInTimeout(nextFn);
            }
            if (completeFn) {
                completeFn = _wrapInTimeout(completeFn);
            }
        }
        const sink = super.subscribe({ next: nextFn, error: errorFn, complete: completeFn });
        if (observerOrNext instanceof rxjs__WEBPACK_IMPORTED_MODULE_1__.Subscription) {
            observerOrNext.add(sink);
        }
        return sink;
    }
}
function _wrapInTimeout(fn) {
    return (value) => {
        setTimeout(fn, undefined, value);
    };
}
/**
 * @publicApi
 */
const EventEmitter = EventEmitter_;

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
function symbolIterator() {
    return this._results[getSymbolIterator()]();
}
/**
 * An unmodifiable list of items that Angular keeps up to date when the state
 * of the application changes.
 *
 * The type of object that {@link ViewChildren}, {@link ContentChildren}, and {@link QueryList}
 * provide.
 *
 * Implements an iterable interface, therefore it can be used in both ES6
 * javascript `for (var i of items)` loops as well as in Angular templates with
 * `*ngFor="let i of myList"`.
 *
 * Changes can be observed by subscribing to the changes `Observable`.
 *
 * NOTE: In the future this class will implement an `Observable` interface.
 *
 * @usageNotes
 * ### Example
 * ```typescript
 * @Component({...})
 * class Container {
 *   @ViewChildren(Item) items:QueryList<Item>;
 * }
 * ```
 *
 * @publicApi
 */
class QueryList {
    /**
     * @param emitDistinctChangesOnly Whether `QueryList.changes` should fire only when actual change
     *     has occurred. Or if it should fire when query is recomputed. (recomputing could resolve in
     *     the same result)
     */
    constructor(_emitDistinctChangesOnly = false) {
        this._emitDistinctChangesOnly = _emitDistinctChangesOnly;
        this.dirty = true;
        this._results = [];
        this._changesDetected = false;
        this._changes = null;
        this.length = 0;
        this.first = undefined;
        this.last = undefined;
        // This function should be declared on the prototype, but doing so there will cause the class
        // declaration to have side-effects and become not tree-shakable. For this reason we do it in
        // the constructor.
        // [getSymbolIterator()](): Iterator<T> { ... }
        const symbol = getSymbolIterator();
        const proto = QueryList.prototype;
        if (!proto[symbol])
            proto[symbol] = symbolIterator;
    }
    /**
     * Returns `Observable` of `QueryList` notifying the subscriber of changes.
     */
    get changes() {
        return this._changes || (this._changes = new EventEmitter());
    }
    /**
     * Returns the QueryList entry at `index`.
     */
    get(index) {
        return this._results[index];
    }
    /**
     * See
     * [Array.map](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array/map)
     */
    map(fn) {
        return this._results.map(fn);
    }
    /**
     * See
     * [Array.filter](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array/filter)
     */
    filter(fn) {
        return this._results.filter(fn);
    }
    /**
     * See
     * [Array.find](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array/find)
     */
    find(fn) {
        return this._results.find(fn);
    }
    /**
     * See
     * [Array.reduce](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array/reduce)
     */
    reduce(fn, init) {
        return this._results.reduce(fn, init);
    }
    /**
     * See
     * [Array.forEach](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array/forEach)
     */
    forEach(fn) {
        this._results.forEach(fn);
    }
    /**
     * See
     * [Array.some](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array/some)
     */
    some(fn) {
        return this._results.some(fn);
    }
    /**
     * Returns a copy of the internal results list as an Array.
     */
    toArray() {
        return this._results.slice();
    }
    toString() {
        return this._results.toString();
    }
    /**
     * Updates the stored data of the query list, and resets the `dirty` flag to `false`, so that
     * on change detection, it will not notify of changes to the queries, unless a new change
     * occurs.
     *
     * @param resultsTree The query results to store
     * @param identityAccessor Optional function for extracting stable object identity from a value
     *    in the array. This function is executed for each element of the query result list while
     *    comparing current query list with the new one (provided as a first argument of the `reset`
     *    function) to detect if the lists are different. If the function is not provided, elements
     *    are compared as is (without any pre-processing).
     */
    reset(resultsTree, identityAccessor) {
        // Cast to `QueryListInternal` so that we can mutate fields which are readonly for the usage of
        // QueryList (but not for QueryList itself.)
        const self = this;
        self.dirty = false;
        const newResultFlat = flatten(resultsTree);
        if (this._changesDetected = !arrayEquals(self._results, newResultFlat, identityAccessor)) {
            self._results = newResultFlat;
            self.length = newResultFlat.length;
            self.last = newResultFlat[this.length - 1];
            self.first = newResultFlat[0];
        }
    }
    /**
     * Triggers a change event by emitting on the `changes` {@link EventEmitter}.
     */
    notifyOnChanges() {
        if (this._changes && (this._changesDetected || !this._emitDistinctChangesOnly))
            this._changes.emit(this);
    }
    /** internal */
    setDirty() {
        this.dirty = true;
    }
    /** internal */
    destroy() {
        this.changes.complete();
        this.changes.unsubscribe();
    }
}
Symbol.iterator;

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
// Note: This hack is necessary so we don't erroneously get a circular dependency
// failure based on types.
const unusedValueExportToPlacateAjd$7 = 1;

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
// Note: This hack is necessary so we don't erroneously get a circular dependency
// failure based on types.
const unusedValueExportToPlacateAjd$8 = 1;

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
const unusedValueToPlacateAjd$2 = unusedValueExportToPlacateAjd$7 + unusedValueExportToPlacateAjd$3 + unusedValueExportToPlacateAjd$4 + unusedValueExportToPlacateAjd$8;
class LQuery_ {
    constructor(queryList) {
        this.queryList = queryList;
        this.matches = null;
    }
    clone() {
        return new LQuery_(this.queryList);
    }
    setDirty() {
        this.queryList.setDirty();
    }
}
class LQueries_ {
    constructor(queries = []) {
        this.queries = queries;
    }
    createEmbeddedView(tView) {
        const tQueries = tView.queries;
        if (tQueries !== null) {
            const noOfInheritedQueries = tView.contentQueries !== null ? tView.contentQueries[0] : tQueries.length;
            const viewLQueries = [];
            // An embedded view has queries propagated from a declaration view at the beginning of the
            // TQueries collection and up until a first content query declared in the embedded view. Only
            // propagated LQueries are created at this point (LQuery corresponding to declared content
            // queries will be instantiated from the content query instructions for each directive).
            for (let i = 0; i < noOfInheritedQueries; i++) {
                const tQuery = tQueries.getByIndex(i);
                const parentLQuery = this.queries[tQuery.indexInDeclarationView];
                viewLQueries.push(parentLQuery.clone());
            }
            return new LQueries_(viewLQueries);
        }
        return null;
    }
    insertView(tView) {
        this.dirtyQueriesWithMatches(tView);
    }
    detachView(tView) {
        this.dirtyQueriesWithMatches(tView);
    }
    dirtyQueriesWithMatches(tView) {
        for (let i = 0; i < this.queries.length; i++) {
            if (getTQuery(tView, i).matches !== null) {
                this.queries[i].setDirty();
            }
        }
    }
}
class TQueryMetadata_ {
    constructor(predicate, flags, read = null) {
        this.predicate = predicate;
        this.flags = flags;
        this.read = read;
    }
}
class TQueries_ {
    constructor(queries = []) {
        this.queries = queries;
    }
    elementStart(tView, tNode) {
        ngDevMode &&
            assertFirstCreatePass(tView, 'Queries should collect results on the first template pass only');
        for (let i = 0; i < this.queries.length; i++) {
            this.queries[i].elementStart(tView, tNode);
        }
    }
    elementEnd(tNode) {
        for (let i = 0; i < this.queries.length; i++) {
            this.queries[i].elementEnd(tNode);
        }
    }
    embeddedTView(tNode) {
        let queriesForTemplateRef = null;
        for (let i = 0; i < this.length; i++) {
            const childQueryIndex = queriesForTemplateRef !== null ? queriesForTemplateRef.length : 0;
            const tqueryClone = this.getByIndex(i).embeddedTView(tNode, childQueryIndex);
            if (tqueryClone) {
                tqueryClone.indexInDeclarationView = i;
                if (queriesForTemplateRef !== null) {
                    queriesForTemplateRef.push(tqueryClone);
                }
                else {
                    queriesForTemplateRef = [tqueryClone];
                }
            }
        }
        return queriesForTemplateRef !== null ? new TQueries_(queriesForTemplateRef) : null;
    }
    template(tView, tNode) {
        ngDevMode &&
            assertFirstCreatePass(tView, 'Queries should collect results on the first template pass only');
        for (let i = 0; i < this.queries.length; i++) {
            this.queries[i].template(tView, tNode);
        }
    }
    getByIndex(index) {
        ngDevMode && assertIndexInRange(this.queries, index);
        return this.queries[index];
    }
    get length() {
        return this.queries.length;
    }
    track(tquery) {
        this.queries.push(tquery);
    }
}
class TQuery_ {
    constructor(metadata, nodeIndex = -1) {
        this.metadata = metadata;
        this.matches = null;
        this.indexInDeclarationView = -1;
        this.crossesNgTemplate = false;
        /**
         * A flag indicating if a given query still applies to nodes it is crossing. We use this flag
         * (alongside with _declarationNodeIndex) to know when to stop applying content queries to
         * elements in a template.
         */
        this._appliesToNextNode = true;
        this._declarationNodeIndex = nodeIndex;
    }
    elementStart(tView, tNode) {
        if (this.isApplyingToNode(tNode)) {
            this.matchTNode(tView, tNode);
        }
    }
    elementEnd(tNode) {
        if (this._declarationNodeIndex === tNode.index) {
            this._appliesToNextNode = false;
        }
    }
    template(tView, tNode) {
        this.elementStart(tView, tNode);
    }
    embeddedTView(tNode, childQueryIndex) {
        if (this.isApplyingToNode(tNode)) {
            this.crossesNgTemplate = true;
            // A marker indicating a `<ng-template>` element (a placeholder for query results from
            // embedded views created based on this `<ng-template>`).
            this.addMatch(-tNode.index, childQueryIndex);
            return new TQuery_(this.metadata);
        }
        return null;
    }
    isApplyingToNode(tNode) {
        if (this._appliesToNextNode &&
            (this.metadata.flags & 1 /* descendants */) !== 1 /* descendants */) {
            const declarationNodeIdx = this._declarationNodeIndex;
            let parent = tNode.parent;
            // Determine if a given TNode is a "direct" child of a node on which a content query was
            // declared (only direct children of query's host node can match with the descendants: false
            // option). There are 3 main use-case / conditions to consider here:
            // - <needs-target><i #target></i></needs-target>: here <i #target> parent node is a query
            // host node;
            // - <needs-target><ng-template [ngIf]="true"><i #target></i></ng-template></needs-target>:
            // here <i #target> parent node is null;
            // - <needs-target><ng-container><i #target></i></ng-container></needs-target>: here we need
            // to go past `<ng-container>` to determine <i #target> parent node (but we shouldn't traverse
            // up past the query's host node!).
            while (parent !== null && (parent.type & 8 /* ElementContainer */) &&
                parent.index !== declarationNodeIdx) {
                parent = parent.parent;
            }
            return declarationNodeIdx === (parent !== null ? parent.index : -1);
        }
        return this._appliesToNextNode;
    }
    matchTNode(tView, tNode) {
        const predicate = this.metadata.predicate;
        if (Array.isArray(predicate)) {
            for (let i = 0; i < predicate.length; i++) {
                const name = predicate[i];
                this.matchTNodeWithReadOption(tView, tNode, getIdxOfMatchingSelector(tNode, name));
                // Also try matching the name to a provider since strings can be used as DI tokens too.
                this.matchTNodeWithReadOption(tView, tNode, locateDirectiveOrProvider(tNode, tView, name, false, false));
            }
        }
        else {
            if (predicate === TemplateRef) {
                if (tNode.type & 4 /* Container */) {
                    this.matchTNodeWithReadOption(tView, tNode, -1);
                }
            }
            else {
                this.matchTNodeWithReadOption(tView, tNode, locateDirectiveOrProvider(tNode, tView, predicate, false, false));
            }
        }
    }
    matchTNodeWithReadOption(tView, tNode, nodeMatchIdx) {
        if (nodeMatchIdx !== null) {
            const read = this.metadata.read;
            if (read !== null) {
                if (read === ElementRef || read === ViewContainerRef ||
                    read === TemplateRef && (tNode.type & 4 /* Container */)) {
                    this.addMatch(tNode.index, -2);
                }
                else {
                    const directiveOrProviderIdx = locateDirectiveOrProvider(tNode, tView, read, false, false);
                    if (directiveOrProviderIdx !== null) {
                        this.addMatch(tNode.index, directiveOrProviderIdx);
                    }
                }
            }
            else {
                this.addMatch(tNode.index, nodeMatchIdx);
            }
        }
    }
    addMatch(tNodeIdx, matchIdx) {
        if (this.matches === null) {
            this.matches = [tNodeIdx, matchIdx];
        }
        else {
            this.matches.push(tNodeIdx, matchIdx);
        }
    }
}
/**
 * Iterates over local names for a given node and returns directive index
 * (or -1 if a local name points to an element).
 *
 * @param tNode static data of a node to check
 * @param selector selector to match
 * @returns directive index, -1 or null if a selector didn't match any of the local names
 */
function getIdxOfMatchingSelector(tNode, selector) {
    const localNames = tNode.localNames;
    if (localNames !== null) {
        for (let i = 0; i < localNames.length; i += 2) {
            if (localNames[i] === selector) {
                return localNames[i + 1];
            }
        }
    }
    return null;
}
function createResultByTNodeType(tNode, currentView) {
    if (tNode.type & (3 /* AnyRNode */ | 8 /* ElementContainer */)) {
        return createElementRef(tNode, currentView);
    }
    else if (tNode.type & 4 /* Container */) {
        return createTemplateRef(tNode, currentView);
    }
    return null;
}
function createResultForNode(lView, tNode, matchingIdx, read) {
    if (matchingIdx === -1) {
        // if read token and / or strategy is not specified, detect it using appropriate tNode type
        return createResultByTNodeType(tNode, lView);
    }
    else if (matchingIdx === -2) {
        // read a special token from a node injector
        return createSpecialToken(lView, tNode, read);
    }
    else {
        // read a token
        return getNodeInjectable(lView, lView[TVIEW], matchingIdx, tNode);
    }
}
function createSpecialToken(lView, tNode, read) {
    if (read === ElementRef) {
        return createElementRef(tNode, lView);
    }
    else if (read === TemplateRef) {
        return createTemplateRef(tNode, lView);
    }
    else if (read === ViewContainerRef) {
        ngDevMode && assertTNodeType(tNode, 3 /* AnyRNode */ | 12 /* AnyContainer */);
        return createContainerRef(tNode, lView);
    }
    else {
        ngDevMode &&
            throwError(`Special token to read should be one of ElementRef, TemplateRef or ViewContainerRef but got ${stringify(read)}.`);
    }
}
/**
 * A helper function that creates query results for a given view. This function is meant to do the
 * processing once and only once for a given view instance (a set of results for a given view
 * doesn't change).
 */
function materializeViewResults(tView, lView, tQuery, queryIndex) {
    const lQuery = lView[QUERIES].queries[queryIndex];
    if (lQuery.matches === null) {
        const tViewData = tView.data;
        const tQueryMatches = tQuery.matches;
        const result = [];
        for (let i = 0; i < tQueryMatches.length; i += 2) {
            const matchedNodeIdx = tQueryMatches[i];
            if (matchedNodeIdx < 0) {
                // we at the <ng-template> marker which might have results in views created based on this
                // <ng-template> - those results will be in separate views though, so here we just leave
                // null as a placeholder
                result.push(null);
            }
            else {
                ngDevMode && assertIndexInRange(tViewData, matchedNodeIdx);
                const tNode = tViewData[matchedNodeIdx];
                result.push(createResultForNode(lView, tNode, tQueryMatches[i + 1], tQuery.metadata.read));
            }
        }
        lQuery.matches = result;
    }
    return lQuery.matches;
}
/**
 * A helper function that collects (already materialized) query results from a tree of views,
 * starting with a provided LView.
 */
function collectQueryResults(tView, lView, queryIndex, result) {
    const tQuery = tView.queries.getByIndex(queryIndex);
    const tQueryMatches = tQuery.matches;
    if (tQueryMatches !== null) {
        const lViewResults = materializeViewResults(tView, lView, tQuery, queryIndex);
        for (let i = 0; i < tQueryMatches.length; i += 2) {
            const tNodeIdx = tQueryMatches[i];
            if (tNodeIdx > 0) {
                result.push(lViewResults[i / 2]);
            }
            else {
                const childQueryIndex = tQueryMatches[i + 1];
                const declarationLContainer = lView[-tNodeIdx];
                ngDevMode && assertLContainer(declarationLContainer);
                // collect matches for views inserted in this container
                for (let i = CONTAINER_HEADER_OFFSET; i < declarationLContainer.length; i++) {
                    const embeddedLView = declarationLContainer[i];
                    if (embeddedLView[DECLARATION_LCONTAINER] === embeddedLView[PARENT]) {
                        collectQueryResults(embeddedLView[TVIEW], embeddedLView, childQueryIndex, result);
                    }
                }
                // collect matches for views created from this declaration container and inserted into
                // different containers
                if (declarationLContainer[MOVED_VIEWS] !== null) {
                    const embeddedLViews = declarationLContainer[MOVED_VIEWS];
                    for (let i = 0; i < embeddedLViews.length; i++) {
                        const embeddedLView = embeddedLViews[i];
                        collectQueryResults(embeddedLView[TVIEW], embeddedLView, childQueryIndex, result);
                    }
                }
            }
        }
    }
    return result;
}
/**
 * Refreshes a query by combining matches from all active views and removing matches from deleted
 * views.
 *
 * @returns `true` if a query got dirty during change detection or if this is a static query
 * resolving in creation mode, `false` otherwise.
 *
 * @codeGenApi
 */
function ɵɵqueryRefresh(queryList) {
    const lView = getLView();
    const tView = getTView();
    const queryIndex = getCurrentQueryIndex();
    setCurrentQueryIndex(queryIndex + 1);
    const tQuery = getTQuery(tView, queryIndex);
    if (queryList.dirty &&
        (isCreationMode(lView) ===
            ((tQuery.metadata.flags & 2 /* isStatic */) === 2 /* isStatic */))) {
        if (tQuery.matches === null) {
            queryList.reset([]);
        }
        else {
            const result = tQuery.crossesNgTemplate ?
                collectQueryResults(tView, lView, queryIndex, []) :
                materializeViewResults(tView, lView, tQuery, queryIndex);
            queryList.reset(result, unwrapElementRef);
            queryList.notifyOnChanges();
        }
        return true;
    }
    return false;
}
/**
 * Creates new QueryList, stores the reference in LView and returns QueryList.
 *
 * @param predicate The type for which the query will search
 * @param flags Flags associated with the query
 * @param read What to save in the query
 *
 * @codeGenApi
 */
function ɵɵviewQuery(predicate, flags, read) {
    ngDevMode && assertNumber(flags, 'Expecting flags');
    const tView = getTView();
    if (tView.firstCreatePass) {
        createTQuery(tView, new TQueryMetadata_(predicate, flags, read), -1);
        if ((flags & 2 /* isStatic */) === 2 /* isStatic */) {
            tView.staticViewQueries = true;
        }
    }
    createLQuery(tView, getLView(), flags);
}
/**
 * Registers a QueryList, associated with a content query, for later refresh (part of a view
 * refresh).
 *
 * @param directiveIndex Current directive index
 * @param predicate The type for which the query will search
 * @param flags Flags associated with the query
 * @param read What to save in the query
 * @returns QueryList<T>
 *
 * @codeGenApi
 */
function ɵɵcontentQuery(directiveIndex, predicate, flags, read) {
    ngDevMode && assertNumber(flags, 'Expecting flags');
    const tView = getTView();
    if (tView.firstCreatePass) {
        const tNode = getCurrentTNode();
        createTQuery(tView, new TQueryMetadata_(predicate, flags, read), tNode.index);
        saveContentQueryAndDirectiveIndex(tView, directiveIndex);
        if ((flags & 2 /* isStatic */) === 2 /* isStatic */) {
            tView.staticContentQueries = true;
        }
    }
    createLQuery(tView, getLView(), flags);
}
/**
 * Loads a QueryList corresponding to the current view or content query.
 *
 * @codeGenApi
 */
function ɵɵloadQuery() {
    return loadQueryInternal(getLView(), getCurrentQueryIndex());
}
function loadQueryInternal(lView, queryIndex) {
    ngDevMode &&
        assertDefined(lView[QUERIES], 'LQueries should be defined when trying to load a query');
    ngDevMode && assertIndexInRange(lView[QUERIES].queries, queryIndex);
    return lView[QUERIES].queries[queryIndex].queryList;
}
function createLQuery(tView, lView, flags) {
    const queryList = new QueryList((flags & 4 /* emitDistinctChangesOnly */) === 4 /* emitDistinctChangesOnly */);
    storeCleanupWithContext(tView, lView, queryList, queryList.destroy);
    if (lView[QUERIES] === null)
        lView[QUERIES] = new LQueries_();
    lView[QUERIES].queries.push(new LQuery_(queryList));
}
function createTQuery(tView, metadata, nodeIndex) {
    if (tView.queries === null)
        tView.queries = new TQueries_();
    tView.queries.track(new TQuery_(metadata, nodeIndex));
}
function saveContentQueryAndDirectiveIndex(tView, directiveIndex) {
    const tViewContentQueries = tView.contentQueries || (tView.contentQueries = []);
    const lastSavedDirectiveIndex = tViewContentQueries.length ? tViewContentQueries[tViewContentQueries.length - 1] : -1;
    if (directiveIndex !== lastSavedDirectiveIndex) {
        tViewContentQueries.push(tView.queries.length - 1, directiveIndex);
    }
}
function getTQuery(tView, index) {
    ngDevMode && assertDefined(tView.queries, 'TQueries must be defined to retrieve a TQuery');
    return tView.queries.getByIndex(index);
}

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
/**
 * Retrieves `TemplateRef` instance from `Injector` when a local reference is placed on the
 * `<ng-template>` element.
 *
 * @codeGenApi
 */
function ɵɵtemplateRefExtractor(tNode, lView) {
    return createTemplateRef(tNode, lView);
}

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
const ɵ0$c = () => ({
    'ɵɵattribute': ɵɵattribute,
    'ɵɵattributeInterpolate1': ɵɵattributeInterpolate1,
    'ɵɵattributeInterpolate2': ɵɵattributeInterpolate2,
    'ɵɵattributeInterpolate3': ɵɵattributeInterpolate3,
    'ɵɵattributeInterpolate4': ɵɵattributeInterpolate4,
    'ɵɵattributeInterpolate5': ɵɵattributeInterpolate5,
    'ɵɵattributeInterpolate6': ɵɵattributeInterpolate6,
    'ɵɵattributeInterpolate7': ɵɵattributeInterpolate7,
    'ɵɵattributeInterpolate8': ɵɵattributeInterpolate8,
    'ɵɵattributeInterpolateV': ɵɵattributeInterpolateV,
    'ɵɵdefineComponent': ɵɵdefineComponent,
    'ɵɵdefineDirective': ɵɵdefineDirective,
    'ɵɵdefineInjectable': ɵɵdefineInjectable,
    'ɵɵdefineInjector': ɵɵdefineInjector,
    'ɵɵdefineNgModule': ɵɵdefineNgModule,
    'ɵɵdefinePipe': ɵɵdefinePipe,
    'ɵɵdirectiveInject': ɵɵdirectiveInject,
    'ɵɵgetInheritedFactory': ɵɵgetInheritedFactory,
    'ɵɵinject': ɵɵinject,
    'ɵɵinjectAttribute': ɵɵinjectAttribute,
    'ɵɵinvalidFactory': ɵɵinvalidFactory,
    'ɵɵinvalidFactoryDep': ɵɵinvalidFactoryDep,
    'ɵɵtemplateRefExtractor': ɵɵtemplateRefExtractor,
    'ɵɵNgOnChangesFeature': ɵɵNgOnChangesFeature,
    'ɵɵProvidersFeature': ɵɵProvidersFeature,
    'ɵɵCopyDefinitionFeature': ɵɵCopyDefinitionFeature,
    'ɵɵInheritDefinitionFeature': ɵɵInheritDefinitionFeature,
    'ɵɵnextContext': ɵɵnextContext,
    'ɵɵnamespaceHTML': ɵɵnamespaceHTML,
    'ɵɵnamespaceMathML': ɵɵnamespaceMathML,
    'ɵɵnamespaceSVG': ɵɵnamespaceSVG,
    'ɵɵenableBindings': ɵɵenableBindings,
    'ɵɵdisableBindings': ɵɵdisableBindings,
    'ɵɵelementStart': ɵɵelementStart,
    'ɵɵelementEnd': ɵɵelementEnd,
    'ɵɵelement': ɵɵelement,
    'ɵɵelementContainerStart': ɵɵelementContainerStart,
    'ɵɵelementContainerEnd': ɵɵelementContainerEnd,
    'ɵɵelementContainer': ɵɵelementContainer,
    'ɵɵpureFunction0': ɵɵpureFunction0,
    'ɵɵpureFunction1': ɵɵpureFunction1,
    'ɵɵpureFunction2': ɵɵpureFunction2,
    'ɵɵpureFunction3': ɵɵpureFunction3,
    'ɵɵpureFunction4': ɵɵpureFunction4,
    'ɵɵpureFunction5': ɵɵpureFunction5,
    'ɵɵpureFunction6': ɵɵpureFunction6,
    'ɵɵpureFunction7': ɵɵpureFunction7,
    'ɵɵpureFunction8': ɵɵpureFunction8,
    'ɵɵpureFunctionV': ɵɵpureFunctionV,
    'ɵɵgetCurrentView': ɵɵgetCurrentView,
    'ɵɵrestoreView': ɵɵrestoreView,
    'ɵɵlistener': ɵɵlistener,
    'ɵɵprojection': ɵɵprojection,
    'ɵɵsyntheticHostProperty': ɵɵsyntheticHostProperty,
    'ɵɵsyntheticHostListener': ɵɵsyntheticHostListener,
    'ɵɵpipeBind1': ɵɵpipeBind1,
    'ɵɵpipeBind2': ɵɵpipeBind2,
    'ɵɵpipeBind3': ɵɵpipeBind3,
    'ɵɵpipeBind4': ɵɵpipeBind4,
    'ɵɵpipeBindV': ɵɵpipeBindV,
    'ɵɵprojectionDef': ɵɵprojectionDef,
    'ɵɵhostProperty': ɵɵhostProperty,
    'ɵɵproperty': ɵɵproperty,
    'ɵɵpropertyInterpolate': ɵɵpropertyInterpolate,
    'ɵɵpropertyInterpolate1': ɵɵpropertyInterpolate1,
    'ɵɵpropertyInterpolate2': ɵɵpropertyInterpolate2,
    'ɵɵpropertyInterpolate3': ɵɵpropertyInterpolate3,
    'ɵɵpropertyInterpolate4': ɵɵpropertyInterpolate4,
    'ɵɵpropertyInterpolate5': ɵɵpropertyInterpolate5,
    'ɵɵpropertyInterpolate6': ɵɵpropertyInterpolate6,
    'ɵɵpropertyInterpolate7': ɵɵpropertyInterpolate7,
    'ɵɵpropertyInterpolate8': ɵɵpropertyInterpolate8,
    'ɵɵpropertyInterpolateV': ɵɵpropertyInterpolateV,
    'ɵɵpipe': ɵɵpipe,
    'ɵɵqueryRefresh': ɵɵqueryRefresh,
    'ɵɵviewQuery': ɵɵviewQuery,
    'ɵɵloadQuery': ɵɵloadQuery,
    'ɵɵcontentQuery': ɵɵcontentQuery,
    'ɵɵreference': ɵɵreference,
    'ɵɵclassMap': ɵɵclassMap,
    'ɵɵclassMapInterpolate1': ɵɵclassMapInterpolate1,
    'ɵɵclassMapInterpolate2': ɵɵclassMapInterpolate2,
    'ɵɵclassMapInterpolate3': ɵɵclassMapInterpolate3,
    'ɵɵclassMapInterpolate4': ɵɵclassMapInterpolate4,
    'ɵɵclassMapInterpolate5': ɵɵclassMapInterpolate5,
    'ɵɵclassMapInterpolate6': ɵɵclassMapInterpolate6,
    'ɵɵclassMapInterpolate7': ɵɵclassMapInterpolate7,
    'ɵɵclassMapInterpolate8': ɵɵclassMapInterpolate8,
    'ɵɵclassMapInterpolateV': ɵɵclassMapInterpolateV,
    'ɵɵstyleMap': ɵɵstyleMap,
    'ɵɵstyleMapInterpolate1': ɵɵstyleMapInterpolate1,
    'ɵɵstyleMapInterpolate2': ɵɵstyleMapInterpolate2,
    'ɵɵstyleMapInterpolate3': ɵɵstyleMapInterpolate3,
    'ɵɵstyleMapInterpolate4': ɵɵstyleMapInterpolate4,
    'ɵɵstyleMapInterpolate5': ɵɵstyleMapInterpolate5,
    'ɵɵstyleMapInterpolate6': ɵɵstyleMapInterpolate6,
    'ɵɵstyleMapInterpolate7': ɵɵstyleMapInterpolate7,
    'ɵɵstyleMapInterpolate8': ɵɵstyleMapInterpolate8,
    'ɵɵstyleMapInterpolateV': ɵɵstyleMapInterpolateV,
    'ɵɵstyleProp': ɵɵstyleProp,
    'ɵɵstylePropInterpolate1': ɵɵstylePropInterpolate1,
    'ɵɵstylePropInterpolate2': ɵɵstylePropInterpolate2,
    'ɵɵstylePropInterpolate3': ɵɵstylePropInterpolate3,
    'ɵɵstylePropInterpolate4': ɵɵstylePropInterpolate4,
    'ɵɵstylePropInterpolate5': ɵɵstylePropInterpolate5,
    'ɵɵstylePropInterpolate6': ɵɵstylePropInterpolate6,
    'ɵɵstylePropInterpolate7': ɵɵstylePropInterpolate7,
    'ɵɵstylePropInterpolate8': ɵɵstylePropInterpolate8,
    'ɵɵstylePropInterpolateV': ɵɵstylePropInterpolateV,
    'ɵɵclassProp': ɵɵclassProp,
    'ɵɵadvance': ɵɵadvance,
    'ɵɵtemplate': ɵɵtemplate,
    'ɵɵtext': ɵɵtext,
    'ɵɵtextInterpolate': ɵɵtextInterpolate,
    'ɵɵtextInterpolate1': ɵɵtextInterpolate1,
    'ɵɵtextInterpolate2': ɵɵtextInterpolate2,
    'ɵɵtextInterpolate3': ɵɵtextInterpolate3,
    'ɵɵtextInterpolate4': ɵɵtextInterpolate4,
    'ɵɵtextInterpolate5': ɵɵtextInterpolate5,
    'ɵɵtextInterpolate6': ɵɵtextInterpolate6,
    'ɵɵtextInterpolate7': ɵɵtextInterpolate7,
    'ɵɵtextInterpolate8': ɵɵtextInterpolate8,
    'ɵɵtextInterpolateV': ɵɵtextInterpolateV,
    'ɵɵi18n': ɵɵi18n,
    'ɵɵi18nAttributes': ɵɵi18nAttributes,
    'ɵɵi18nExp': ɵɵi18nExp,
    'ɵɵi18nStart': ɵɵi18nStart,
    'ɵɵi18nEnd': ɵɵi18nEnd,
    'ɵɵi18nApply': ɵɵi18nApply,
    'ɵɵi18nPostprocess': ɵɵi18nPostprocess,
    'ɵɵresolveWindow': ɵɵresolveWindow,
    'ɵɵresolveDocument': ɵɵresolveDocument,
    'ɵɵresolveBody': ɵɵresolveBody,
    'ɵɵsetComponentScope': ɵɵsetComponentScope,
    'ɵɵsetNgModuleScope': ɵɵsetNgModuleScope,
    'ɵɵsanitizeHtml': ɵɵsanitizeHtml,
    'ɵɵsanitizeStyle': ɵɵsanitizeStyle,
    'ɵɵsanitizeResourceUrl': ɵɵsanitizeResourceUrl,
    'ɵɵsanitizeScript': ɵɵsanitizeScript,
    'ɵɵsanitizeUrl': ɵɵsanitizeUrl,
    'ɵɵsanitizeUrlOrResourceUrl': ɵɵsanitizeUrlOrResourceUrl,
    'ɵɵtrustConstantHtml': ɵɵtrustConstantHtml,
    'ɵɵtrustConstantResourceUrl': ɵɵtrustConstantResourceUrl,
    'forwardRef': forwardRef,
    'resolveForwardRef': resolveForwardRef,
});
/**
 * A mapping of the @angular/core API surface used in generated expressions to the actual symbols.
 *
 * This should be kept up to date with the public exports of @angular/core.
 */
const angularCoreEnv = (ɵ0$c)();

let jitOptions = null;
function setJitOptions(options) {
    if (jitOptions !== null) {
        if (options.defaultEncapsulation !== jitOptions.defaultEncapsulation) {
            ngDevMode &&
                console.error('Provided value for `defaultEncapsulation` can not be changed once it has been set.');
            return;
        }
        if (options.preserveWhitespaces !== jitOptions.preserveWhitespaces) {
            ngDevMode &&
                console.error('Provided value for `preserveWhitespaces` can not be changed once it has been set.');
            return;
        }
    }
    jitOptions = options;
}
function getJitOptions() {
    return jitOptions;
}
function resetJitOptions() {
    jitOptions = null;
}

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
const moduleQueue = [];
/**
 * Enqueues moduleDef to be checked later to see if scope can be set on its
 * component declarations.
 */
function enqueueModuleForDelayedScoping(moduleType, ngModule) {
    moduleQueue.push({ moduleType, ngModule });
}
let flushingModuleQueue = false;
/**
 * Loops over queued module definitions, if a given module definition has all of its
 * declarations resolved, it dequeues that module definition and sets the scope on
 * its declarations.
 */
function flushModuleScopingQueueAsMuchAsPossible() {
    if (!flushingModuleQueue) {
        flushingModuleQueue = true;
        try {
            for (let i = moduleQueue.length - 1; i >= 0; i--) {
                const { moduleType, ngModule } = moduleQueue[i];
                if (ngModule.declarations && ngModule.declarations.every(isResolvedDeclaration)) {
                    // dequeue
                    moduleQueue.splice(i, 1);
                    setScopeOnDeclaredComponents(moduleType, ngModule);
                }
            }
        }
        finally {
            flushingModuleQueue = false;
        }
    }
}
/**
 * Returns truthy if a declaration has resolved. If the declaration happens to be
 * an array of declarations, it will recurse to check each declaration in that array
 * (which may also be arrays).
 */
function isResolvedDeclaration(declaration) {
    if (Array.isArray(declaration)) {
        return declaration.every(isResolvedDeclaration);
    }
    return !!resolveForwardRef(declaration);
}
/**
 * Compiles a module in JIT mode.
 *
 * This function automatically gets called when a class has a `@NgModule` decorator.
 */
function compileNgModule(moduleType, ngModule = {}) {
    compileNgModuleDefs(moduleType, ngModule);
    // Because we don't know if all declarations have resolved yet at the moment the
    // NgModule decorator is executing, we're enqueueing the setting of module scope
    // on its declarations to be run at a later time when all declarations for the module,
    // including forward refs, have resolved.
    enqueueModuleForDelayedScoping(moduleType, ngModule);
}
/**
 * Compiles and adds the `ɵmod`, `ɵfac` and `ɵinj` properties to the module class.
 *
 * It's possible to compile a module via this API which will allow duplicate declarations in its
 * root.
 */
function compileNgModuleDefs(moduleType, ngModule, allowDuplicateDeclarationsInRoot = false) {
    ngDevMode && assertDefined(moduleType, 'Required value moduleType');
    ngDevMode && assertDefined(ngModule, 'Required value ngModule');
    const declarations = flatten(ngModule.declarations || EMPTY_ARRAY);
    let ngModuleDef = null;
    Object.defineProperty(moduleType, NG_MOD_DEF, {
        configurable: true,
        get: () => {
            if (ngModuleDef === null) {
                if (ngDevMode && ngModule.imports && ngModule.imports.indexOf(moduleType) > -1) {
                    // We need to assert this immediately, because allowing it to continue will cause it to
                    // go into an infinite loop before we've reached the point where we throw all the errors.
                    throw new Error(`'${stringifyForError(moduleType)}' module can't import itself`);
                }
                const compiler = getCompilerFacade({ usage: 0 /* Decorator */, kind: 'NgModule', type: moduleType });
                ngModuleDef = compiler.compileNgModule(angularCoreEnv, `ng:///${moduleType.name}/ɵmod.js`, {
                    type: moduleType,
                    bootstrap: flatten(ngModule.bootstrap || EMPTY_ARRAY).map(resolveForwardRef),
                    declarations: declarations.map(resolveForwardRef),
                    imports: flatten(ngModule.imports || EMPTY_ARRAY)
                        .map(resolveForwardRef)
                        .map(expandModuleWithProviders),
                    exports: flatten(ngModule.exports || EMPTY_ARRAY)
                        .map(resolveForwardRef)
                        .map(expandModuleWithProviders),
                    schemas: ngModule.schemas ? flatten(ngModule.schemas) : null,
                    id: ngModule.id || null,
                });
                // Set `schemas` on ngModuleDef to an empty array in JIT mode to indicate that runtime
                // should verify that there are no unknown elements in a template. In AOT mode, that check
                // happens at compile time and `schemas` information is not present on Component and Module
                // defs after compilation (so the check doesn't happen the second time at runtime).
                if (!ngModuleDef.schemas) {
                    ngModuleDef.schemas = [];
                }
            }
            return ngModuleDef;
        }
    });
    let ngFactoryDef = null;
    Object.defineProperty(moduleType, NG_FACTORY_DEF, {
        get: () => {
            if (ngFactoryDef === null) {
                const compiler = getCompilerFacade({ usage: 0 /* Decorator */, kind: 'NgModule', type: moduleType });
                ngFactoryDef = compiler.compileFactory(angularCoreEnv, `ng:///${moduleType.name}/ɵfac.js`, {
                    name: moduleType.name,
                    type: moduleType,
                    deps: reflectDependencies(moduleType),
                    target: compiler.FactoryTarget.NgModule,
                    typeArgumentCount: 0,
                });
            }
            return ngFactoryDef;
        },
        // Make the property configurable in dev mode to allow overriding in tests
        configurable: !!ngDevMode,
    });
    let ngInjectorDef = null;
    Object.defineProperty(moduleType, NG_INJ_DEF, {
        get: () => {
            if (ngInjectorDef === null) {
                ngDevMode &&
                    verifySemanticsOfNgModuleDef(moduleType, allowDuplicateDeclarationsInRoot);
                const meta = {
                    name: moduleType.name,
                    type: moduleType,
                    providers: ngModule.providers || EMPTY_ARRAY,
                    imports: [
                        (ngModule.imports || EMPTY_ARRAY).map(resolveForwardRef),
                        (ngModule.exports || EMPTY_ARRAY).map(resolveForwardRef),
                    ],
                };
                const compiler = getCompilerFacade({ usage: 0 /* Decorator */, kind: 'NgModule', type: moduleType });
                ngInjectorDef =
                    compiler.compileInjector(angularCoreEnv, `ng:///${moduleType.name}/ɵinj.js`, meta);
            }
            return ngInjectorDef;
        },
        // Make the property configurable in dev mode to allow overriding in tests
        configurable: !!ngDevMode,
    });
}
function verifySemanticsOfNgModuleDef(moduleType, allowDuplicateDeclarationsInRoot, importingModule) {
    if (verifiedNgModule.get(moduleType))
        return;
    verifiedNgModule.set(moduleType, true);
    moduleType = resolveForwardRef(moduleType);
    let ngModuleDef;
    if (importingModule) {
        ngModuleDef = getNgModuleDef(moduleType);
        if (!ngModuleDef) {
            throw new Error(`Unexpected value '${moduleType.name}' imported by the module '${importingModule.name}'. Please add an @NgModule annotation.`);
        }
    }
    else {
        ngModuleDef = getNgModuleDef(moduleType, true);
    }
    const errors = [];
    const declarations = maybeUnwrapFn(ngModuleDef.declarations);
    const imports = maybeUnwrapFn(ngModuleDef.imports);
    flatten(imports).map(unwrapModuleWithProvidersImports).forEach(mod => {
        verifySemanticsOfNgModuleImport(mod, moduleType);
        verifySemanticsOfNgModuleDef(mod, false, moduleType);
    });
    const exports = maybeUnwrapFn(ngModuleDef.exports);
    declarations.forEach(verifyDeclarationsHaveDefinitions);
    declarations.forEach(verifyDirectivesHaveSelector);
    const combinedDeclarations = [
        ...declarations.map(resolveForwardRef),
        ...flatten(imports.map(computeCombinedExports)).map(resolveForwardRef),
    ];
    exports.forEach(verifyExportsAreDeclaredOrReExported);
    declarations.forEach(decl => verifyDeclarationIsUnique(decl, allowDuplicateDeclarationsInRoot));
    declarations.forEach(verifyComponentEntryComponentsIsPartOfNgModule);
    const ngModule = getAnnotation(moduleType, 'NgModule');
    if (ngModule) {
        ngModule.imports &&
            flatten(ngModule.imports).map(unwrapModuleWithProvidersImports).forEach(mod => {
                verifySemanticsOfNgModuleImport(mod, moduleType);
                verifySemanticsOfNgModuleDef(mod, false, moduleType);
            });
        ngModule.bootstrap && deepForEach(ngModule.bootstrap, verifyCorrectBootstrapType);
        ngModule.bootstrap && deepForEach(ngModule.bootstrap, verifyComponentIsPartOfNgModule);
        ngModule.entryComponents &&
            deepForEach(ngModule.entryComponents, verifyComponentIsPartOfNgModule);
    }
    // Throw Error if any errors were detected.
    if (errors.length) {
        throw new Error(errors.join('\n'));
    }
    ////////////////////////////////////////////////////////////////////////////////////////////////
    function verifyDeclarationsHaveDefinitions(type) {
        type = resolveForwardRef(type);
        const def = getComponentDef(type) || getDirectiveDef(type) || getPipeDef(type);
        if (!def) {
            errors.push(`Unexpected value '${stringifyForError(type)}' declared by the module '${stringifyForError(moduleType)}'. Please add a @Pipe/@Directive/@Component annotation.`);
        }
    }
    function verifyDirectivesHaveSelector(type) {
        type = resolveForwardRef(type);
        const def = getDirectiveDef(type);
        if (!getComponentDef(type) && def && def.selectors.length == 0) {
            errors.push(`Directive ${stringifyForError(type)} has no selector, please add it!`);
        }
    }
    function verifyExportsAreDeclaredOrReExported(type) {
        type = resolveForwardRef(type);
        const kind = getComponentDef(type) && 'component' || getDirectiveDef(type) && 'directive' ||
            getPipeDef(type) && 'pipe';
        if (kind) {
            // only checked if we are declared as Component, Directive, or Pipe
            // Modules don't need to be declared or imported.
            if (combinedDeclarations.lastIndexOf(type) === -1) {
                // We are exporting something which we don't explicitly declare or import.
                errors.push(`Can't export ${kind} ${stringifyForError(type)} from ${stringifyForError(moduleType)} as it was neither declared nor imported!`);
            }
        }
    }
    function verifyDeclarationIsUnique(type, suppressErrors) {
        type = resolveForwardRef(type);
        const existingModule = ownerNgModule.get(type);
        if (existingModule && existingModule !== moduleType) {
            if (!suppressErrors) {
                const modules = [existingModule, moduleType].map(stringifyForError).sort();
                errors.push(`Type ${stringifyForError(type)} is part of the declarations of 2 modules: ${modules[0]} and ${modules[1]}! ` +
                    `Please consider moving ${stringifyForError(type)} to a higher module that imports ${modules[0]} and ${modules[1]}. ` +
                    `You can also create a new NgModule that exports and includes ${stringifyForError(type)} then import that NgModule in ${modules[0]} and ${modules[1]}.`);
            }
        }
        else {
            // Mark type as having owner.
            ownerNgModule.set(type, moduleType);
        }
    }
    function verifyComponentIsPartOfNgModule(type) {
        type = resolveForwardRef(type);
        const existingModule = ownerNgModule.get(type);
        if (!existingModule) {
            errors.push(`Component ${stringifyForError(type)} is not part of any NgModule or the module has not been imported into your module.`);
        }
    }
    function verifyCorrectBootstrapType(type) {
        type = resolveForwardRef(type);
        if (!getComponentDef(type)) {
            errors.push(`${stringifyForError(type)} cannot be used as an entry component.`);
        }
    }
    function verifyComponentEntryComponentsIsPartOfNgModule(type) {
        type = resolveForwardRef(type);
        if (getComponentDef(type)) {
            // We know we are component
            const component = getAnnotation(type, 'Component');
            if (component && component.entryComponents) {
                deepForEach(component.entryComponents, verifyComponentIsPartOfNgModule);
            }
        }
    }
    function verifySemanticsOfNgModuleImport(type, importingModule) {
        type = resolveForwardRef(type);
        if (getComponentDef(type) || getDirectiveDef(type)) {
            throw new Error(`Unexpected directive '${type.name}' imported by the module '${importingModule.name}'. Please add an @NgModule annotation.`);
        }
        if (getPipeDef(type)) {
            throw new Error(`Unexpected pipe '${type.name}' imported by the module '${importingModule.name}'. Please add an @NgModule annotation.`);
        }
    }
}
function unwrapModuleWithProvidersImports(typeOrWithProviders) {
    typeOrWithProviders = resolveForwardRef(typeOrWithProviders);
    return typeOrWithProviders.ngModule || typeOrWithProviders;
}
function getAnnotation(type, name) {
    let annotation = null;
    collect(type.__annotations__);
    collect(type.decorators);
    return annotation;
    function collect(annotations) {
        if (annotations) {
            annotations.forEach(readAnnotation);
        }
    }
    function readAnnotation(decorator) {
        if (!annotation) {
            const proto = Object.getPrototypeOf(decorator);
            if (proto.ngMetadataName == name) {
                annotation = decorator;
            }
            else if (decorator.type) {
                const proto = Object.getPrototypeOf(decorator.type);
                if (proto.ngMetadataName == name) {
                    annotation = decorator.args[0];
                }
            }
        }
    }
}
/**
 * Keep track of compiled components. This is needed because in tests we often want to compile the
 * same component with more than one NgModule. This would cause an error unless we reset which
 * NgModule the component belongs to. We keep the list of compiled components here so that the
 * TestBed can reset it later.
 */
let ownerNgModule = new WeakMap();
let verifiedNgModule = new WeakMap();
function resetCompiledComponents() {
    ownerNgModule = new WeakMap();
    verifiedNgModule = new WeakMap();
    moduleQueue.length = 0;
}
/**
 * Computes the combined declarations of explicit declarations, as well as declarations inherited by
 * traversing the exports of imported modules.
 * @param type
 */
function computeCombinedExports(type) {
    type = resolveForwardRef(type);
    const ngModuleDef = getNgModuleDef(type, true);
    return [...flatten(maybeUnwrapFn(ngModuleDef.exports).map((type) => {
            const ngModuleDef = getNgModuleDef(type);
            if (ngModuleDef) {
                verifySemanticsOfNgModuleDef(type, false);
                return computeCombinedExports(type);
            }
            else {
                return type;
            }
        }))];
}
/**
 * Some declared components may be compiled asynchronously, and thus may not have their
 * ɵcmp set yet. If this is the case, then a reference to the module is written into
 * the `ngSelectorScope` property of the declared type.
 */
function setScopeOnDeclaredComponents(moduleType, ngModule) {
    const declarations = flatten(ngModule.declarations || EMPTY_ARRAY);
    const transitiveScopes = transitiveScopesFor(moduleType);
    declarations.forEach(declaration => {
        if (declaration.hasOwnProperty(NG_COMP_DEF)) {
            // A `ɵcmp` field exists - go ahead and patch the component directly.
            const component = declaration;
            const componentDef = getComponentDef(component);
            patchComponentDefWithScope(componentDef, transitiveScopes);
        }
        else if (!declaration.hasOwnProperty(NG_DIR_DEF) && !declaration.hasOwnProperty(NG_PIPE_DEF)) {
            // Set `ngSelectorScope` for future reference when the component compilation finishes.
            declaration.ngSelectorScope = moduleType;
        }
    });
}
/**
 * Patch the definition of a component with directives and pipes from the compilation scope of
 * a given module.
 */
function patchComponentDefWithScope(componentDef, transitiveScopes) {
    componentDef.directiveDefs = () => Array.from(transitiveScopes.compilation.directives)
        .map(dir => dir.hasOwnProperty(NG_COMP_DEF) ? getComponentDef(dir) : getDirectiveDef(dir))
        .filter(def => !!def);
    componentDef.pipeDefs = () => Array.from(transitiveScopes.compilation.pipes).map(pipe => getPipeDef(pipe));
    componentDef.schemas = transitiveScopes.schemas;
    // Since we avoid Components/Directives/Pipes recompiling in case there are no overrides, we
    // may face a problem where previously compiled defs available to a given Component/Directive
    // are cached in TView and may become stale (in case any of these defs gets recompiled). In
    // order to avoid this problem, we force fresh TView to be created.
    componentDef.tView = null;
}
/**
 * Compute the pair of transitive scopes (compilation scope and exported scope) for a given module.
 *
 * This operation is memoized and the result is cached on the module's definition. This function can
 * be called on modules with components that have not fully compiled yet, but the result should not
 * be used until they have.
 *
 * @param moduleType module that transitive scope should be calculated for.
 */
function transitiveScopesFor(moduleType) {
    if (!isNgModule(moduleType)) {
        throw new Error(`${moduleType.name} does not have a module def (ɵmod property)`);
    }
    const def = getNgModuleDef(moduleType);
    if (def.transitiveCompileScopes !== null) {
        return def.transitiveCompileScopes;
    }
    const scopes = {
        schemas: def.schemas || null,
        compilation: {
            directives: new Set(),
            pipes: new Set(),
        },
        exported: {
            directives: new Set(),
            pipes: new Set(),
        },
    };
    maybeUnwrapFn(def.imports).forEach((imported) => {
        const importedType = imported;
        if (!isNgModule(importedType)) {
            throw new Error(`Importing ${importedType.name} which does not have a ɵmod property`);
        }
        // When this module imports another, the imported module's exported directives and pipes are
        // added to the compilation scope of this module.
        const importedScope = transitiveScopesFor(importedType);
        importedScope.exported.directives.forEach(entry => scopes.compilation.directives.add(entry));
        importedScope.exported.pipes.forEach(entry => scopes.compilation.pipes.add(entry));
    });
    maybeUnwrapFn(def.declarations).forEach(declared => {
        const declaredWithDefs = declared;
        if (getPipeDef(declaredWithDefs)) {
            scopes.compilation.pipes.add(declared);
        }
        else {
            // Either declared has a ɵcmp or ɵdir, or it's a component which hasn't
            // had its template compiled yet. In either case, it gets added to the compilation's
            // directives.
            scopes.compilation.directives.add(declared);
        }
    });
    maybeUnwrapFn(def.exports).forEach((exported) => {
        const exportedType = exported;
        // Either the type is a module, a pipe, or a component/directive (which may not have a
        // ɵcmp as it might be compiled asynchronously).
        if (isNgModule(exportedType)) {
            // When this module exports another, the exported module's exported directives and pipes are
            // added to both the compilation and exported scopes of this module.
            const exportedScope = transitiveScopesFor(exportedType);
            exportedScope.exported.directives.forEach(entry => {
                scopes.compilation.directives.add(entry);
                scopes.exported.directives.add(entry);
            });
            exportedScope.exported.pipes.forEach(entry => {
                scopes.compilation.pipes.add(entry);
                scopes.exported.pipes.add(entry);
            });
        }
        else if (getPipeDef(exportedType)) {
            scopes.exported.pipes.add(exportedType);
        }
        else {
            scopes.exported.directives.add(exportedType);
        }
    });
    def.transitiveCompileScopes = scopes;
    return scopes;
}
function expandModuleWithProviders(value) {
    if (isModuleWithProviders(value)) {
        return value.ngModule;
    }
    return value;
}
function isModuleWithProviders(value) {
    return value.ngModule !== undefined;
}
function isNgModule(value) {
    return !!getNgModuleDef(value);
}

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
/**
 * Keep track of the compilation depth to avoid reentrancy issues during JIT compilation. This
 * matters in the following scenario:
 *
 * Consider a component 'A' that extends component 'B', both declared in module 'M'. During
 * the compilation of 'A' the definition of 'B' is requested to capture the inheritance chain,
 * potentially triggering compilation of 'B'. If this nested compilation were to trigger
 * `flushModuleScopingQueueAsMuchAsPossible` it may happen that module 'M' is still pending in the
 * queue, resulting in 'A' and 'B' to be patched with the NgModule scope. As the compilation of
 * 'A' is still in progress, this would introduce a circular dependency on its compilation. To avoid
 * this issue, the module scope queue is only flushed for compilations at the depth 0, to ensure
 * all compilations have finished.
 */
let compilationDepth = 0;
/**
 * Compile an Angular component according to its decorator metadata, and patch the resulting
 * component def (ɵcmp) onto the component type.
 *
 * Compilation may be asynchronous (due to the need to resolve URLs for the component template or
 * other resources, for example). In the event that compilation is not immediate, `compileComponent`
 * will enqueue resource resolution into a global queue and will fail to return the `ɵcmp`
 * until the global queue has been resolved with a call to `resolveComponentResources`.
 */
function compileComponent(type, metadata) {
    // Initialize ngDevMode. This must be the first statement in compileComponent.
    // See the `initNgDevMode` docstring for more information.
    (typeof ngDevMode === 'undefined' || ngDevMode) && initNgDevMode();
    let ngComponentDef = null;
    // Metadata may have resources which need to be resolved.
    maybeQueueResolutionOfComponentResources(type, metadata);
    // Note that we're using the same function as `Directive`, because that's only subset of metadata
    // that we need to create the ngFactoryDef. We're avoiding using the component metadata
    // because we'd have to resolve the asynchronous templates.
    addDirectiveFactoryDef(type, metadata);
    Object.defineProperty(type, NG_COMP_DEF, {
        get: () => {
            if (ngComponentDef === null) {
                const compiler = getCompilerFacade({ usage: 0 /* Decorator */, kind: 'component', type: type });
                if (componentNeedsResolution(metadata)) {
                    const error = [`Component '${type.name}' is not resolved:`];
                    if (metadata.templateUrl) {
                        error.push(` - templateUrl: ${metadata.templateUrl}`);
                    }
                    if (metadata.styleUrls && metadata.styleUrls.length) {
                        error.push(` - styleUrls: ${JSON.stringify(metadata.styleUrls)}`);
                    }
                    error.push(`Did you run and wait for 'resolveComponentResources()'?`);
                    throw new Error(error.join('\n'));
                }
                // This const was called `jitOptions` previously but had to be renamed to `options` because
                // of a bug with Terser that caused optimized JIT builds to throw a `ReferenceError`.
                // This bug was investigated in https://github.com/angular/angular-cli/issues/17264.
                // We should not rename it back until https://github.com/terser/terser/issues/615 is fixed.
                const options = getJitOptions();
                let preserveWhitespaces = metadata.preserveWhitespaces;
                if (preserveWhitespaces === undefined) {
                    if (options !== null && options.preserveWhitespaces !== undefined) {
                        preserveWhitespaces = options.preserveWhitespaces;
                    }
                    else {
                        preserveWhitespaces = false;
                    }
                }
                let encapsulation = metadata.encapsulation;
                if (encapsulation === undefined) {
                    if (options !== null && options.defaultEncapsulation !== undefined) {
                        encapsulation = options.defaultEncapsulation;
                    }
                    else {
                        encapsulation = ViewEncapsulation.Emulated;
                    }
                }
                const templateUrl = metadata.templateUrl || `ng:///${type.name}/template.html`;
                const meta = Object.assign(Object.assign({}, directiveMetadata(type, metadata)), { typeSourceSpan: compiler.createParseSourceSpan('Component', type.name, templateUrl), template: metadata.template || '', preserveWhitespaces, styles: metadata.styles || EMPTY_ARRAY, animations: metadata.animations, directives: [], changeDetection: metadata.changeDetection, pipes: new Map(), encapsulation, interpolation: metadata.interpolation, viewProviders: metadata.viewProviders || null });
                compilationDepth++;
                try {
                    if (meta.usesInheritance) {
                        addDirectiveDefToUndecoratedParents(type);
                    }
                    ngComponentDef = compiler.compileComponent(angularCoreEnv, templateUrl, meta);
                }
                finally {
                    // Ensure that the compilation depth is decremented even when the compilation failed.
                    compilationDepth--;
                }
                if (compilationDepth === 0) {
                    // When NgModule decorator executed, we enqueued the module definition such that
                    // it would only dequeue and add itself as module scope to all of its declarations,
                    // but only if  if all of its declarations had resolved. This call runs the check
                    // to see if any modules that are in the queue can be dequeued and add scope to
                    // their declarations.
                    flushModuleScopingQueueAsMuchAsPossible();
                }
                // If component compilation is async, then the @NgModule annotation which declares the
                // component may execute and set an ngSelectorScope property on the component type. This
                // allows the component to patch itself with directiveDefs from the module after it
                // finishes compiling.
                if (hasSelectorScope(type)) {
                    const scopes = transitiveScopesFor(type.ngSelectorScope);
                    patchComponentDefWithScope(ngComponentDef, scopes);
                }
            }
            return ngComponentDef;
        },
        // Make the property configurable in dev mode to allow overriding in tests
        configurable: !!ngDevMode,
    });
}
function hasSelectorScope(component) {
    return component.ngSelectorScope !== undefined;
}
/**
 * Compile an Angular directive according to its decorator metadata, and patch the resulting
 * directive def onto the component type.
 *
 * In the event that compilation is not immediate, `compileDirective` will return a `Promise` which
 * will resolve when compilation completes and the directive becomes usable.
 */
function compileDirective(type, directive) {
    let ngDirectiveDef = null;
    addDirectiveFactoryDef(type, directive || {});
    Object.defineProperty(type, NG_DIR_DEF, {
        get: () => {
            if (ngDirectiveDef === null) {
                // `directive` can be null in the case of abstract directives as a base class
                // that use `@Directive()` with no selector. In that case, pass empty object to the
                // `directiveMetadata` function instead of null.
                const meta = getDirectiveMetadata$1(type, directive || {});
                const compiler = getCompilerFacade({ usage: 0 /* Decorator */, kind: 'directive', type });
                ngDirectiveDef =
                    compiler.compileDirective(angularCoreEnv, meta.sourceMapUrl, meta.metadata);
            }
            return ngDirectiveDef;
        },
        // Make the property configurable in dev mode to allow overriding in tests
        configurable: !!ngDevMode,
    });
}
function getDirectiveMetadata$1(type, metadata) {
    const name = type && type.name;
    const sourceMapUrl = `ng:///${name}/ɵdir.js`;
    const compiler = getCompilerFacade({ usage: 0 /* Decorator */, kind: 'directive', type });
    const facade = directiveMetadata(type, metadata);
    facade.typeSourceSpan = compiler.createParseSourceSpan('Directive', name, sourceMapUrl);
    if (facade.usesInheritance) {
        addDirectiveDefToUndecoratedParents(type);
    }
    return { metadata: facade, sourceMapUrl };
}
function addDirectiveFactoryDef(type, metadata) {
    let ngFactoryDef = null;
    Object.defineProperty(type, NG_FACTORY_DEF, {
        get: () => {
            if (ngFactoryDef === null) {
                const meta = getDirectiveMetadata$1(type, metadata);
                const compiler = getCompilerFacade({ usage: 0 /* Decorator */, kind: 'directive', type });
                ngFactoryDef = compiler.compileFactory(angularCoreEnv, `ng:///${type.name}/ɵfac.js`, {
                    name: meta.metadata.name,
                    type: meta.metadata.type,
                    typeArgumentCount: 0,
                    deps: reflectDependencies(type),
                    target: compiler.FactoryTarget.Directive
                });
            }
            return ngFactoryDef;
        },
        // Make the property configurable in dev mode to allow overriding in tests
        configurable: !!ngDevMode,
    });
}
function extendsDirectlyFromObject(type) {
    return Object.getPrototypeOf(type.prototype) === Object.prototype;
}
/**
 * Extract the `R3DirectiveMetadata` for a particular directive (either a `Directive` or a
 * `Component`).
 */
function directiveMetadata(type, metadata) {
    // Reflect inputs and outputs.
    const reflect = getReflect();
    const propMetadata = reflect.ownPropMetadata(type);
    return {
        name: type.name,
        type: type,
        selector: metadata.selector !== undefined ? metadata.selector : null,
        host: metadata.host || EMPTY_OBJ,
        propMetadata: propMetadata,
        inputs: metadata.inputs || EMPTY_ARRAY,
        outputs: metadata.outputs || EMPTY_ARRAY,
        queries: extractQueriesMetadata(type, propMetadata, isContentQuery),
        lifecycle: { usesOnChanges: reflect.hasLifecycleHook(type, 'ngOnChanges') },
        typeSourceSpan: null,
        usesInheritance: !extendsDirectlyFromObject(type),
        exportAs: extractExportAs(metadata.exportAs),
        providers: metadata.providers || null,
        viewQueries: extractQueriesMetadata(type, propMetadata, isViewQuery)
    };
}
/**
 * Adds a directive definition to all parent classes of a type that don't have an Angular decorator.
 */
function addDirectiveDefToUndecoratedParents(type) {
    const objPrototype = Object.prototype;
    let parent = Object.getPrototypeOf(type.prototype).constructor;
    // Go up the prototype until we hit `Object`.
    while (parent && parent !== objPrototype) {
        // Since inheritance works if the class was annotated already, we only need to add
        // the def if there are no annotations and the def hasn't been created already.
        if (!getDirectiveDef(parent) && !getComponentDef(parent) &&
            shouldAddAbstractDirective(parent)) {
            compileDirective(parent, null);
        }
        parent = Object.getPrototypeOf(parent);
    }
}
function convertToR3QueryPredicate(selector) {
    return typeof selector === 'string' ? splitByComma(selector) : resolveForwardRef(selector);
}
function convertToR3QueryMetadata(propertyName, ann) {
    return {
        propertyName: propertyName,
        predicate: convertToR3QueryPredicate(ann.selector),
        descendants: ann.descendants,
        first: ann.first,
        read: ann.read ? ann.read : null,
        static: !!ann.static,
        emitDistinctChangesOnly: !!ann.emitDistinctChangesOnly,
    };
}
function extractQueriesMetadata(type, propMetadata, isQueryAnn) {
    const queriesMeta = [];
    for (const field in propMetadata) {
        if (propMetadata.hasOwnProperty(field)) {
            const annotations = propMetadata[field];
            annotations.forEach(ann => {
                if (isQueryAnn(ann)) {
                    if (!ann.selector) {
                        throw new Error(`Can't construct a query for the property "${field}" of ` +
                            `"${stringifyForError(type)}" since the query selector wasn't defined.`);
                    }
                    if (annotations.some(isInputAnnotation)) {
                        throw new Error(`Cannot combine @Input decorators with query decorators`);
                    }
                    queriesMeta.push(convertToR3QueryMetadata(field, ann));
                }
            });
        }
    }
    return queriesMeta;
}
function extractExportAs(exportAs) {
    return exportAs === undefined ? null : splitByComma(exportAs);
}
function isContentQuery(value) {
    const name = value.ngMetadataName;
    return name === 'ContentChild' || name === 'ContentChildren';
}
function isViewQuery(value) {
    const name = value.ngMetadataName;
    return name === 'ViewChild' || name === 'ViewChildren';
}
function isInputAnnotation(value) {
    return value.ngMetadataName === 'Input';
}
function splitByComma(value) {
    return value.split(',').map(piece => piece.trim());
}
const LIFECYCLE_HOOKS = [
    'ngOnChanges', 'ngOnInit', 'ngOnDestroy', 'ngDoCheck', 'ngAfterViewInit', 'ngAfterViewChecked',
    'ngAfterContentInit', 'ngAfterContentChecked'
];
function shouldAddAbstractDirective(type) {
    const reflect = getReflect();
    if (LIFECYCLE_HOOKS.some(hookName => reflect.hasLifecycleHook(type, hookName))) {
        return true;
    }
    const propMetadata = reflect.propMetadata(type);
    for (const field in propMetadata) {
        const annotations = propMetadata[field];
        for (let i = 0; i < annotations.length; i++) {
            const current = annotations[i];
            const metadataName = current.ngMetadataName;
            if (isInputAnnotation(current) || isContentQuery(current) || isViewQuery(current) ||
                metadataName === 'Output' || metadataName === 'HostBinding' ||
                metadataName === 'HostListener') {
                return true;
            }
        }
    }
    return false;
}

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
function compilePipe(type, meta) {
    let ngPipeDef = null;
    let ngFactoryDef = null;
    Object.defineProperty(type, NG_FACTORY_DEF, {
        get: () => {
            if (ngFactoryDef === null) {
                const metadata = getPipeMetadata(type, meta);
                const compiler = getCompilerFacade({ usage: 0 /* Decorator */, kind: 'pipe', type: metadata.type });
                ngFactoryDef = compiler.compileFactory(angularCoreEnv, `ng:///${metadata.name}/ɵfac.js`, {
                    name: metadata.name,
                    type: metadata.type,
                    typeArgumentCount: 0,
                    deps: reflectDependencies(type),
                    target: compiler.FactoryTarget.Pipe
                });
            }
            return ngFactoryDef;
        },
        // Make the property configurable in dev mode to allow overriding in tests
        configurable: !!ngDevMode,
    });
    Object.defineProperty(type, NG_PIPE_DEF, {
        get: () => {
            if (ngPipeDef === null) {
                const metadata = getPipeMetadata(type, meta);
                const compiler = getCompilerFacade({ usage: 0 /* Decorator */, kind: 'pipe', type: metadata.type });
                ngPipeDef =
                    compiler.compilePipe(angularCoreEnv, `ng:///${metadata.name}/ɵpipe.js`, metadata);
            }
            return ngPipeDef;
        },
        // Make the property configurable in dev mode to allow overriding in tests
        configurable: !!ngDevMode,
    });
}
function getPipeMetadata(type, meta) {
    return {
        type: type,
        name: type.name,
        pipeName: meta.name,
        pure: meta.pure !== undefined ? meta.pure : true
    };
}

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
const ɵ0$d = (dir = {}) => dir, ɵ1$2 = (type, meta) => SWITCH_COMPILE_DIRECTIVE(type, meta);
/**
 * Type of the Directive metadata.
 *
 * @publicApi
 */
const Directive = makeDecorator('Directive', ɵ0$d, undefined, undefined, ɵ1$2);
const ɵ2$1 = (c = {}) => (Object.assign({ changeDetection: ChangeDetectionStrategy.Default }, c)), ɵ3$1 = (type, meta) => SWITCH_COMPILE_COMPONENT(type, meta);
/**
 * Component decorator and metadata.
 *
 * @Annotation
 * @publicApi
 */
const Component = makeDecorator('Component', ɵ2$1, Directive, undefined, ɵ3$1);
const ɵ4 = (p) => (Object.assign({ pure: true }, p)), ɵ5 = (type, meta) => SWITCH_COMPILE_PIPE(type, meta);
/**
 * @Annotation
 * @publicApi
 */
const Pipe = makeDecorator('Pipe', ɵ4, undefined, undefined, ɵ5);
const ɵ6 = (bindingPropertyName) => ({ bindingPropertyName });
/**
 * @Annotation
 * @publicApi
 */
const Input = makePropDecorator('Input', ɵ6);
const ɵ7 = (bindingPropertyName) => ({ bindingPropertyName });
/**
 * @Annotation
 * @publicApi
 */
const Output = makePropDecorator('Output', ɵ7);
const ɵ8 = (hostPropertyName) => ({ hostPropertyName });
/**
 * @Annotation
 * @publicApi
 */
const HostBinding = makePropDecorator('HostBinding', ɵ8);
const ɵ9 = (eventName, args) => ({ eventName, args });
/**
 * Decorator that binds a DOM event to a host listener and supplies configuration metadata.
 * Angular invokes the supplied handler method when the host element emits the specified event,
 * and updates the bound element with the result.
 *
 * If the handler method returns false, applies `preventDefault` on the bound element.
 *
 * @usageNotes
 *
 * The following example declares a directive
 * that attaches a click listener to a button and counts clicks.
 *
 * ```ts
 * @Directive({selector: 'button[counting]'})
 * class CountClicks {
 *   numberOfClicks = 0;
 *
 *   @HostListener('click', ['$event.target'])
 *   onClick(btn) {
 *     console.log('button', btn, 'number of clicks:', this.numberOfClicks++);
 *  }
 * }
 *
 * @Component({
 *   selector: 'app',
 *   template: '<button counting>Increment</button>',
 * })
 * class App {}
 *
 * ```
 *
 * The following example registers another DOM event handler that listens for key-press events.
 * ``` ts
 * import { HostListener, Component } from "@angular/core";
 *
 * @Component({
 *   selector: 'app',
 *   template: `<h1>Hello, you have pressed keys {{counter}} number of times!</h1> Press any key to
 * increment the counter.
 *   <button (click)="resetCounter()">Reset Counter</button>`
 * })
 * class AppComponent {
 *   counter = 0;
 *   @HostListener('window:keydown', ['$event'])
 *   handleKeyDown(event: KeyboardEvent) {
 *     this.counter++;
 *   }
 *   resetCounter() {
 *     this.counter = 0;
 *   }
 * }
 * ```
 *
 * @Annotation
 * @publicApi
 */
const HostListener = makePropDecorator('HostListener', ɵ9);
const SWITCH_COMPILE_COMPONENT__POST_R3__ = compileComponent;
const SWITCH_COMPILE_DIRECTIVE__POST_R3__ = compileDirective;
const SWITCH_COMPILE_PIPE__POST_R3__ = compilePipe;
const SWITCH_COMPILE_COMPONENT__PRE_R3__ = noop;
const SWITCH_COMPILE_DIRECTIVE__PRE_R3__ = noop;
const SWITCH_COMPILE_PIPE__PRE_R3__ = noop;
const SWITCH_COMPILE_COMPONENT = SWITCH_COMPILE_COMPONENT__POST_R3__;
const SWITCH_COMPILE_DIRECTIVE = SWITCH_COMPILE_DIRECTIVE__POST_R3__;
const SWITCH_COMPILE_PIPE = SWITCH_COMPILE_PIPE__POST_R3__;

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
const ɵ0$e = (ngModule) => ngModule, ɵ1$3 = 
/**
 * Decorator that marks the following class as an NgModule, and supplies
 * configuration metadata for it.
 *
 * * The `declarations` and `entryComponents` options configure the compiler
 * with information about what belongs to the NgModule.
 * * The `providers` options configures the NgModule's injector to provide
 * dependencies the NgModule members.
 * * The `imports` and `exports` options bring in members from other modules, and make
 * this module's members available to others.
 */
(type, meta) => SWITCH_COMPILE_NGMODULE(type, meta);
/**
 * @Annotation
 * @publicApi
 */
const NgModule = makeDecorator('NgModule', ɵ0$e, undefined, undefined, ɵ1$3);
function preR3NgModuleCompile(moduleType, metadata) {
    let imports = (metadata && metadata.imports) || [];
    if (metadata && metadata.exports) {
        imports = [...imports, metadata.exports];
    }
    const moduleInjectorType = moduleType;
    moduleInjectorType.ɵfac = convertInjectableProviderToFactory(moduleType, { useClass: moduleType });
    moduleInjectorType.ɵinj =
        ɵɵdefineInjector({ providers: metadata && metadata.providers, imports: imports });
}
const SWITCH_COMPILE_NGMODULE__POST_R3__ = compileNgModule;
const SWITCH_COMPILE_NGMODULE__PRE_R3__ = preR3NgModuleCompile;
const SWITCH_COMPILE_NGMODULE = SWITCH_COMPILE_NGMODULE__POST_R3__;

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
/**
 * A [DI token](guide/glossary#di-token "DI token definition") that you can use to provide
 * one or more initialization functions.
 *
 * The provided functions are injected at application startup and executed during
 * app initialization. If any of these functions returns a Promise or an Observable, initialization
 * does not complete until the Promise is resolved or the Observable is completed.
 *
 * You can, for example, create a factory function that loads language data
 * or an external configuration, and provide that function to the `APP_INITIALIZER` token.
 * The function is executed during the application bootstrap process,
 * and the needed data is available on startup.
 *
 * @see `ApplicationInitStatus`
 *
 * @usageNotes
 *
 * The following example illustrates how to configure a multi-provider using `APP_INITIALIZER` token
 * and a function returning a promise.
 *
 * ```
 *  function initializeApp(): Promise<any> {
 *    return new Promise((resolve, reject) => {
 *      // Do some asynchronous stuff
 *      resolve();
 *    });
 *  }
 *
 *  @NgModule({
 *   imports: [BrowserModule],
 *   declarations: [AppComponent],
 *   bootstrap: [AppComponent],
 *   providers: [{
 *     provide: APP_INITIALIZER,
 *     useFactory: () => initializeApp,
 *     multi: true
 *    }]
 *   })
 *  export class AppModule {}
 * ```
 *
 * It's also possible to configure a multi-provider using `APP_INITIALIZER` token and a function
 * returning an observable, see an example below. Note: the `HttpClient` in this example is used for
 * demo purposes to illustrate how the factory function can work with other providers available
 * through DI.
 *
 * ```
 *  function initializeAppFactory(httpClient: HttpClient): () => Observable<any> {
 *   return () => httpClient.get("https://someUrl.com/api/user")
 *     .pipe(
 *        tap(user => { ... })
 *     );
 *  }
 *
 *  @NgModule({
 *    imports: [BrowserModule, HttpClientModule],
 *    declarations: [AppComponent],
 *    bootstrap: [AppComponent],
 *    providers: [{
 *      provide: APP_INITIALIZER,
 *      useFactory: initializeAppFactory,
 *      deps: [HttpClient],
 *      multi: true
 *    }]
 *  })
 *  export class AppModule {}
 * ```
 *
 * @publicApi
 */
const APP_INITIALIZER = new InjectionToken('Application Initializer');
/**
 * A class that reflects the state of running {@link APP_INITIALIZER} functions.
 *
 * @publicApi
 */
class ApplicationInitStatus {
    constructor(appInits) {
        this.appInits = appInits;
        this.resolve = noop;
        this.reject = noop;
        this.initialized = false;
        this.done = false;
        this.donePromise = new Promise((res, rej) => {
            this.resolve = res;
            this.reject = rej;
        });
    }
    /** @internal */
    runInitializers() {
        if (this.initialized) {
            return;
        }
        const asyncInitPromises = [];
        const complete = () => {
            this.done = true;
            this.resolve();
        };
        if (this.appInits) {
            for (let i = 0; i < this.appInits.length; i++) {
                const initResult = this.appInits[i]();
                if (isPromise(initResult)) {
                    asyncInitPromises.push(initResult);
                }
                else if (isObservable(initResult)) {
                    const observableAsPromise = new Promise((resolve, reject) => {
                        initResult.subscribe({ complete: resolve, error: reject });
                    });
                    asyncInitPromises.push(observableAsPromise);
                }
            }
        }
        Promise.all(asyncInitPromises)
            .then(() => {
            complete();
        })
            .catch(e => {
            this.reject(e);
        });
        if (asyncInitPromises.length === 0) {
            complete();
        }
        this.initialized = true;
    }
}
ApplicationInitStatus.ɵfac = function ApplicationInitStatus_Factory(t) { return new (t || ApplicationInitStatus)(ɵɵinject(APP_INITIALIZER, 8)); };
ApplicationInitStatus.ɵprov = /*@__PURE__*/ ɵɵdefineInjectable({ token: ApplicationInitStatus, factory: ApplicationInitStatus.ɵfac });
ApplicationInitStatus.ctorParameters = () => [
    { type: undefined, decorators: [{ type: Inject, args: [APP_INITIALIZER,] }, { type: Optional }] }
];
(function () { (typeof ngDevMode === "undefined" || ngDevMode) && setClassMetadata(ApplicationInitStatus, [{
        type: Injectable
    }], function () { return [{ type: undefined, decorators: [{
                type: Inject,
                args: [APP_INITIALIZER]
            }, {
                type: Optional
            }] }]; }, null); })();

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
/**
 * A [DI token](guide/glossary#di-token "DI token definition") representing a unique string ID, used
 * primarily for prefixing application attributes and CSS styles when
 * {@link ViewEncapsulation#Emulated ViewEncapsulation.Emulated} is being used.
 *
 * BY default, the value is randomly generated and assigned to the application by Angular.
 * To provide a custom ID value, use a DI provider <!-- TODO: provider --> to configure
 * the root {@link Injector} that uses this token.
 *
 * @publicApi
 */
const APP_ID = new InjectionToken('AppId');
function _appIdRandomProviderFactory() {
    return `${_randomChar()}${_randomChar()}${_randomChar()}`;
}
/**
 * Providers that generate a random `APP_ID_TOKEN`.
 * @publicApi
 */
const APP_ID_RANDOM_PROVIDER = {
    provide: APP_ID,
    useFactory: _appIdRandomProviderFactory,
    deps: [],
};
function _randomChar() {
    return String.fromCharCode(97 + Math.floor(Math.random() * 25));
}
/**
 * A function that is executed when a platform is initialized.
 * @publicApi
 */
const PLATFORM_INITIALIZER = new InjectionToken('Platform Initializer');
/**
 * A token that indicates an opaque platform ID.
 * @publicApi
 */
const PLATFORM_ID = new InjectionToken('Platform ID');
/**
 * A [DI token](guide/glossary#di-token "DI token definition") that provides a set of callbacks to
 * be called for every component that is bootstrapped.
 *
 * Each callback must take a `ComponentRef` instance and return nothing.
 *
 * `(componentRef: ComponentRef) => void`
 *
 * @publicApi
 */
const APP_BOOTSTRAP_LISTENER = new InjectionToken('appBootstrapListener');
/**
 * A [DI token](guide/glossary#di-token "DI token definition") that indicates the root directory of
 * the application
 * @publicApi
 */
const PACKAGE_ROOT_URL = new InjectionToken('Application Packages Root URL');

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
class Console {
    log(message) {
        // tslint:disable-next-line:no-console
        console.log(message);
    }
    // Note: for reporting errors use `DOM.logError()` as it is platform specific
    warn(message) {
        // tslint:disable-next-line:no-console
        console.warn(message);
    }
}
Console.ɵfac = function Console_Factory(t) { return new (t || Console)(); };
Console.ɵprov = /*@__PURE__*/ ɵɵdefineInjectable({ token: Console, factory: Console.ɵfac });
(function () { (typeof ngDevMode === "undefined" || ngDevMode) && setClassMetadata(Console, [{
        type: Injectable
    }], null, null); })();

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
/**
 * Provide this token to set the locale of your application.
 * It is used for i18n extraction, by i18n pipes (DatePipe, I18nPluralPipe, CurrencyPipe,
 * DecimalPipe and PercentPipe) and by ICU expressions.
 *
 * See the [i18n guide](guide/i18n#setting-up-locale) for more information.
 *
 * @usageNotes
 * ### Example
 *
 * ```typescript
 * import { LOCALE_ID } from '@angular/core';
 * import { platformBrowserDynamic } from '@angular/platform-browser-dynamic';
 * import { AppModule } from './app/app.module';
 *
 * platformBrowserDynamic().bootstrapModule(AppModule, {
 *   providers: [{provide: LOCALE_ID, useValue: 'en-US' }]
 * });
 * ```
 *
 * @publicApi
 */
const LOCALE_ID$1 = new InjectionToken('LocaleId');
/**
 * Provide this token to set the default currency code your application uses for
 * CurrencyPipe when there is no currency code passed into it. This is only used by
 * CurrencyPipe and has no relation to locale currency. Defaults to USD if not configured.
 *
 * See the [i18n guide](guide/i18n#setting-up-locale) for more information.
 *
 * <div class="alert is-helpful">
 *
 * **Deprecation notice:**
 *
 * The default currency code is currently always `USD` but this is deprecated from v9.
 *
 * **In v10 the default currency code will be taken from the current locale.**
 *
 * If you need the previous behavior then set it by creating a `DEFAULT_CURRENCY_CODE` provider in
 * your application `NgModule`:
 *
 * ```ts
 * {provide: DEFAULT_CURRENCY_CODE, useValue: 'USD'}
 * ```
 *
 * </div>
 *
 * @usageNotes
 * ### Example
 *
 * ```typescript
 * import { platformBrowserDynamic } from '@angular/platform-browser-dynamic';
 * import { AppModule } from './app/app.module';
 *
 * platformBrowserDynamic().bootstrapModule(AppModule, {
 *   providers: [{provide: DEFAULT_CURRENCY_CODE, useValue: 'EUR' }]
 * });
 * ```
 *
 * @publicApi
 */
const DEFAULT_CURRENCY_CODE = new InjectionToken('DefaultCurrencyCode');
/**
 * Use this token at bootstrap to provide the content of your translation file (`xtb`,
 * `xlf` or `xlf2`) when you want to translate your application in another language.
 *
 * See the [i18n guide](guide/i18n#merge) for more information.
 *
 * @usageNotes
 * ### Example
 *
 * ```typescript
 * import { TRANSLATIONS } from '@angular/core';
 * import { platformBrowserDynamic } from '@angular/platform-browser-dynamic';
 * import { AppModule } from './app/app.module';
 *
 * // content of your translation file
 * const translations = '....';
 *
 * platformBrowserDynamic().bootstrapModule(AppModule, {
 *   providers: [{provide: TRANSLATIONS, useValue: translations }]
 * });
 * ```
 *
 * @publicApi
 */
const TRANSLATIONS = new InjectionToken('Translations');
/**
 * Provide this token at bootstrap to set the format of your {@link TRANSLATIONS}: `xtb`,
 * `xlf` or `xlf2`.
 *
 * See the [i18n guide](guide/i18n#merge) for more information.
 *
 * @usageNotes
 * ### Example
 *
 * ```typescript
 * import { TRANSLATIONS_FORMAT } from '@angular/core';
 * import { platformBrowserDynamic } from '@angular/platform-browser-dynamic';
 * import { AppModule } from './app/app.module';
 *
 * platformBrowserDynamic().bootstrapModule(AppModule, {
 *   providers: [{provide: TRANSLATIONS_FORMAT, useValue: 'xlf' }]
 * });
 * ```
 *
 * @publicApi
 */
const TRANSLATIONS_FORMAT = new InjectionToken('TranslationsFormat');
/**
 * Use this enum at bootstrap as an option of `bootstrapModule` to define the strategy
 * that the compiler should use in case of missing translations:
 * - Error: throw if you have missing translations.
 * - Warning (default): show a warning in the console and/or shell.
 * - Ignore: do nothing.
 *
 * See the [i18n guide](guide/i18n#missing-translation) for more information.
 *
 * @usageNotes
 * ### Example
 * ```typescript
 * import { MissingTranslationStrategy } from '@angular/core';
 * import { platformBrowserDynamic } from '@angular/platform-browser-dynamic';
 * import { AppModule } from './app/app.module';
 *
 * platformBrowserDynamic().bootstrapModule(AppModule, {
 *   missingTranslation: MissingTranslationStrategy.Error
 * });
 * ```
 *
 * @publicApi
 */
var MissingTranslationStrategy;
(function (MissingTranslationStrategy) {
    MissingTranslationStrategy[MissingTranslationStrategy["Error"] = 0] = "Error";
    MissingTranslationStrategy[MissingTranslationStrategy["Warning"] = 1] = "Warning";
    MissingTranslationStrategy[MissingTranslationStrategy["Ignore"] = 2] = "Ignore";
})(MissingTranslationStrategy || (MissingTranslationStrategy = {}));

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
const SWITCH_IVY_ENABLED__POST_R3__ = true;
const SWITCH_IVY_ENABLED__PRE_R3__ = false;
const ivyEnabled = SWITCH_IVY_ENABLED__POST_R3__;

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
/**
 * Combination of NgModuleFactory and ComponentFactories.
 *
 * @publicApi
 */
class ModuleWithComponentFactories {
    constructor(ngModuleFactory, componentFactories) {
        this.ngModuleFactory = ngModuleFactory;
        this.componentFactories = componentFactories;
    }
}
function _throwError() {
    throw new Error(`Runtime compiler is not loaded`);
}
const Compiler_compileModuleSync__PRE_R3__ = _throwError;
const Compiler_compileModuleSync__POST_R3__ = function (moduleType) {
    return new NgModuleFactory$1(moduleType);
};
const Compiler_compileModuleSync = Compiler_compileModuleSync__POST_R3__;
const Compiler_compileModuleAsync__PRE_R3__ = _throwError;
const Compiler_compileModuleAsync__POST_R3__ = function (moduleType) {
    return Promise.resolve(Compiler_compileModuleSync__POST_R3__(moduleType));
};
const Compiler_compileModuleAsync = Compiler_compileModuleAsync__POST_R3__;
const Compiler_compileModuleAndAllComponentsSync__PRE_R3__ = _throwError;
const Compiler_compileModuleAndAllComponentsSync__POST_R3__ = function (moduleType) {
    const ngModuleFactory = Compiler_compileModuleSync__POST_R3__(moduleType);
    const moduleDef = getNgModuleDef(moduleType);
    const componentFactories = maybeUnwrapFn(moduleDef.declarations)
        .reduce((factories, declaration) => {
        const componentDef = getComponentDef(declaration);
        componentDef && factories.push(new ComponentFactory$1(componentDef));
        return factories;
    }, []);
    return new ModuleWithComponentFactories(ngModuleFactory, componentFactories);
};
const Compiler_compileModuleAndAllComponentsSync = Compiler_compileModuleAndAllComponentsSync__POST_R3__;
const Compiler_compileModuleAndAllComponentsAsync__PRE_R3__ = _throwError;
const Compiler_compileModuleAndAllComponentsAsync__POST_R3__ = function (moduleType) {
    return Promise.resolve(Compiler_compileModuleAndAllComponentsSync__POST_R3__(moduleType));
};
const Compiler_compileModuleAndAllComponentsAsync = Compiler_compileModuleAndAllComponentsAsync__POST_R3__;
/**
 * Low-level service for running the angular compiler during runtime
 * to create {@link ComponentFactory}s, which
 * can later be used to create and render a Component instance.
 *
 * Each `@NgModule` provides an own `Compiler` to its injector,
 * that will use the directives/pipes of the ng module for compilation
 * of components.
 *
 * @publicApi
 */
class Compiler {
    constructor() {
        /**
         * Compiles the given NgModule and all of its components. All templates of the components listed
         * in `entryComponents` have to be inlined.
         */
        this.compileModuleSync = Compiler_compileModuleSync;
        /**
         * Compiles the given NgModule and all of its components
         */
        this.compileModuleAsync = Compiler_compileModuleAsync;
        /**
         * Same as {@link #compileModuleSync} but also creates ComponentFactories for all components.
         */
        this.compileModuleAndAllComponentsSync = Compiler_compileModuleAndAllComponentsSync;
        /**
         * Same as {@link #compileModuleAsync} but also creates ComponentFactories for all components.
         */
        this.compileModuleAndAllComponentsAsync = Compiler_compileModuleAndAllComponentsAsync;
    }
    /**
     * Clears all caches.
     */
    clearCache() { }
    /**
     * Clears the cache for the given component/ngModule.
     */
    clearCacheFor(type) { }
    /**
     * Returns the id for a given NgModule, if one is defined and known to the compiler.
     */
    getModuleId(moduleType) {
        return undefined;
    }
}
Compiler.ɵfac = function Compiler_Factory(t) { return new (t || Compiler)(); };
Compiler.ɵprov = /*@__PURE__*/ ɵɵdefineInjectable({ token: Compiler, factory: Compiler.ɵfac });
(function () { (typeof ngDevMode === "undefined" || ngDevMode) && setClassMetadata(Compiler, [{
        type: Injectable
    }], function () { return []; }, null); })();
/**
 * Token to provide CompilerOptions in the platform injector.
 *
 * @publicApi
 */
const COMPILER_OPTIONS = new InjectionToken('compilerOptions');
/**
 * A factory for creating a Compiler
 *
 * @publicApi
 */
class CompilerFactory {
}

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
const promise = (() => Promise.resolve(0))();
function scheduleMicroTask(fn) {
    if (typeof Zone === 'undefined') {
        // use promise to schedule microTask instead of use Zone
        promise.then(() => {
            fn && fn.apply(null, null);
        });
    }
    else {
        Zone.current.scheduleMicroTask('scheduleMicrotask', fn);
    }
}

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
function getNativeRequestAnimationFrame() {
    let nativeRequestAnimationFrame = _global['requestAnimationFrame'];
    let nativeCancelAnimationFrame = _global['cancelAnimationFrame'];
    if (typeof Zone !== 'undefined' && nativeRequestAnimationFrame && nativeCancelAnimationFrame) {
        // use unpatched version of requestAnimationFrame(native delegate) if possible
        // to avoid another Change detection
        const unpatchedRequestAnimationFrame = nativeRequestAnimationFrame[Zone.__symbol__('OriginalDelegate')];
        if (unpatchedRequestAnimationFrame) {
            nativeRequestAnimationFrame = unpatchedRequestAnimationFrame;
        }
        const unpatchedCancelAnimationFrame = nativeCancelAnimationFrame[Zone.__symbol__('OriginalDelegate')];
        if (unpatchedCancelAnimationFrame) {
            nativeCancelAnimationFrame = unpatchedCancelAnimationFrame;
        }
    }
    return { nativeRequestAnimationFrame, nativeCancelAnimationFrame };
}

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
/**
 * An injectable service for executing work inside or outside of the Angular zone.
 *
 * The most common use of this service is to optimize performance when starting a work consisting of
 * one or more asynchronous tasks that don't require UI updates or error handling to be handled by
 * Angular. Such tasks can be kicked off via {@link #runOutsideAngular} and if needed, these tasks
 * can reenter the Angular zone via {@link #run}.
 *
 * <!-- TODO: add/fix links to:
 *   - docs explaining zones and the use of zones in Angular and change-detection
 *   - link to runOutsideAngular/run (throughout this file!)
 *   -->
 *
 * @usageNotes
 * ### Example
 *
 * ```
 * import {Component, NgZone} from '@angular/core';
 * import {NgIf} from '@angular/common';
 *
 * @Component({
 *   selector: 'ng-zone-demo',
 *   template: `
 *     <h2>Demo: NgZone</h2>
 *
 *     <p>Progress: {{progress}}%</p>
 *     <p *ngIf="progress >= 100">Done processing {{label}} of Angular zone!</p>
 *
 *     <button (click)="processWithinAngularZone()">Process within Angular zone</button>
 *     <button (click)="processOutsideOfAngularZone()">Process outside of Angular zone</button>
 *   `,
 * })
 * export class NgZoneDemo {
 *   progress: number = 0;
 *   label: string;
 *
 *   constructor(private _ngZone: NgZone) {}
 *
 *   // Loop inside the Angular zone
 *   // so the UI DOES refresh after each setTimeout cycle
 *   processWithinAngularZone() {
 *     this.label = 'inside';
 *     this.progress = 0;
 *     this._increaseProgress(() => console.log('Inside Done!'));
 *   }
 *
 *   // Loop outside of the Angular zone
 *   // so the UI DOES NOT refresh after each setTimeout cycle
 *   processOutsideOfAngularZone() {
 *     this.label = 'outside';
 *     this.progress = 0;
 *     this._ngZone.runOutsideAngular(() => {
 *       this._increaseProgress(() => {
 *         // reenter the Angular zone and display done
 *         this._ngZone.run(() => { console.log('Outside Done!'); });
 *       });
 *     });
 *   }
 *
 *   _increaseProgress(doneCallback: () => void) {
 *     this.progress += 1;
 *     console.log(`Current progress: ${this.progress}%`);
 *
 *     if (this.progress < 100) {
 *       window.setTimeout(() => this._increaseProgress(doneCallback), 10);
 *     } else {
 *       doneCallback();
 *     }
 *   }
 * }
 * ```
 *
 * @publicApi
 */
class NgZone {
    constructor({ enableLongStackTrace = false, shouldCoalesceEventChangeDetection = false, shouldCoalesceRunChangeDetection = false }) {
        this.hasPendingMacrotasks = false;
        this.hasPendingMicrotasks = false;
        /**
         * Whether there are no outstanding microtasks or macrotasks.
         */
        this.isStable = true;
        /**
         * Notifies when code enters Angular Zone. This gets fired first on VM Turn.
         */
        this.onUnstable = new EventEmitter(false);
        /**
         * Notifies when there is no more microtasks enqueued in the current VM Turn.
         * This is a hint for Angular to do change detection, which may enqueue more microtasks.
         * For this reason this event can fire multiple times per VM Turn.
         */
        this.onMicrotaskEmpty = new EventEmitter(false);
        /**
         * Notifies when the last `onMicrotaskEmpty` has run and there are no more microtasks, which
         * implies we are about to relinquish VM turn.
         * This event gets called just once.
         */
        this.onStable = new EventEmitter(false);
        /**
         * Notifies that an error has been delivered.
         */
        this.onError = new EventEmitter(false);
        if (typeof Zone == 'undefined') {
            throw new Error(`In this configuration Angular requires Zone.js`);
        }
        Zone.assertZonePatched();
        const self = this;
        self._nesting = 0;
        self._outer = self._inner = Zone.current;
        if (Zone['TaskTrackingZoneSpec']) {
            self._inner = self._inner.fork(new Zone['TaskTrackingZoneSpec']);
        }
        if (enableLongStackTrace && Zone['longStackTraceZoneSpec']) {
            self._inner = self._inner.fork(Zone['longStackTraceZoneSpec']);
        }
        // if shouldCoalesceRunChangeDetection is true, all tasks including event tasks will be
        // coalesced, so shouldCoalesceEventChangeDetection option is not necessary and can be skipped.
        self.shouldCoalesceEventChangeDetection =
            !shouldCoalesceRunChangeDetection && shouldCoalesceEventChangeDetection;
        self.shouldCoalesceRunChangeDetection = shouldCoalesceRunChangeDetection;
        self.lastRequestAnimationFrameId = -1;
        self.nativeRequestAnimationFrame = getNativeRequestAnimationFrame().nativeRequestAnimationFrame;
        forkInnerZoneWithAngularBehavior(self);
    }
    static isInAngularZone() {
        return Zone.current.get('isAngularZone') === true;
    }
    static assertInAngularZone() {
        if (!NgZone.isInAngularZone()) {
            throw new Error('Expected to be in Angular Zone, but it is not!');
        }
    }
    static assertNotInAngularZone() {
        if (NgZone.isInAngularZone()) {
            throw new Error('Expected to not be in Angular Zone, but it is!');
        }
    }
    /**
     * Executes the `fn` function synchronously within the Angular zone and returns value returned by
     * the function.
     *
     * Running functions via `run` allows you to reenter Angular zone from a task that was executed
     * outside of the Angular zone (typically started via {@link #runOutsideAngular}).
     *
     * Any future tasks or microtasks scheduled from within this function will continue executing from
     * within the Angular zone.
     *
     * If a synchronous error happens it will be rethrown and not reported via `onError`.
     */
    run(fn, applyThis, applyArgs) {
        return this._inner.run(fn, applyThis, applyArgs);
    }
    /**
     * Executes the `fn` function synchronously within the Angular zone as a task and returns value
     * returned by the function.
     *
     * Running functions via `run` allows you to reenter Angular zone from a task that was executed
     * outside of the Angular zone (typically started via {@link #runOutsideAngular}).
     *
     * Any future tasks or microtasks scheduled from within this function will continue executing from
     * within the Angular zone.
     *
     * If a synchronous error happens it will be rethrown and not reported via `onError`.
     */
    runTask(fn, applyThis, applyArgs, name) {
        const zone = this._inner;
        const task = zone.scheduleEventTask('NgZoneEvent: ' + name, fn, EMPTY_PAYLOAD, noop, noop);
        try {
            return zone.runTask(task, applyThis, applyArgs);
        }
        finally {
            zone.cancelTask(task);
        }
    }
    /**
     * Same as `run`, except that synchronous errors are caught and forwarded via `onError` and not
     * rethrown.
     */
    runGuarded(fn, applyThis, applyArgs) {
        return this._inner.runGuarded(fn, applyThis, applyArgs);
    }
    /**
     * Executes the `fn` function synchronously in Angular's parent zone and returns value returned by
     * the function.
     *
     * Running functions via {@link #runOutsideAngular} allows you to escape Angular's zone and do
     * work that
     * doesn't trigger Angular change-detection or is subject to Angular's error handling.
     *
     * Any future tasks or microtasks scheduled from within this function will continue executing from
     * outside of the Angular zone.
     *
     * Use {@link #run} to reenter the Angular zone and do work that updates the application model.
     */
    runOutsideAngular(fn) {
        return this._outer.run(fn);
    }
}
const EMPTY_PAYLOAD = {};
function checkStable(zone) {
    // TODO: @JiaLiPassion, should check zone.isCheckStableRunning to prevent
    // re-entry. The case is:
    //
    // @Component({...})
    // export class AppComponent {
    // constructor(private ngZone: NgZone) {
    //   this.ngZone.onStable.subscribe(() => {
    //     this.ngZone.run(() => console.log('stable'););
    //   });
    // }
    //
    // The onStable subscriber run another function inside ngZone
    // which causes `checkStable()` re-entry.
    // But this fix causes some issues in g3, so this fix will be
    // launched in another PR.
    if (zone._nesting == 0 && !zone.hasPendingMicrotasks && !zone.isStable) {
        try {
            zone._nesting++;
            zone.onMicrotaskEmpty.emit(null);
        }
        finally {
            zone._nesting--;
            if (!zone.hasPendingMicrotasks) {
                try {
                    zone.runOutsideAngular(() => zone.onStable.emit(null));
                }
                finally {
                    zone.isStable = true;
                }
            }
        }
    }
}
function delayChangeDetectionForEvents(zone) {
    /**
     * We also need to check _nesting here
     * Consider the following case with shouldCoalesceRunChangeDetection = true
     *
     * ngZone.run(() => {});
     * ngZone.run(() => {});
     *
     * We want the two `ngZone.run()` only trigger one change detection
     * when shouldCoalesceRunChangeDetection is true.
     * And because in this case, change detection run in async way(requestAnimationFrame),
     * so we also need to check the _nesting here to prevent multiple
     * change detections.
     */
    if (zone.isCheckStableRunning || zone.lastRequestAnimationFrameId !== -1) {
        return;
    }
    zone.lastRequestAnimationFrameId = zone.nativeRequestAnimationFrame.call(_global, () => {
        // This is a work around for https://github.com/angular/angular/issues/36839.
        // The core issue is that when event coalescing is enabled it is possible for microtasks
        // to get flushed too early (As is the case with `Promise.then`) between the
        // coalescing eventTasks.
        //
        // To workaround this we schedule a "fake" eventTask before we process the
        // coalescing eventTasks. The benefit of this is that the "fake" container eventTask
        //  will prevent the microtasks queue from getting drained in between the coalescing
        // eventTask execution.
        if (!zone.fakeTopEventTask) {
            zone.fakeTopEventTask = Zone.root.scheduleEventTask('fakeTopEventTask', () => {
                zone.lastRequestAnimationFrameId = -1;
                updateMicroTaskStatus(zone);
                zone.isCheckStableRunning = true;
                checkStable(zone);
                zone.isCheckStableRunning = false;
            }, undefined, () => { }, () => { });
        }
        zone.fakeTopEventTask.invoke();
    });
    updateMicroTaskStatus(zone);
}
function forkInnerZoneWithAngularBehavior(zone) {
    const delayChangeDetectionForEventsDelegate = () => {
        delayChangeDetectionForEvents(zone);
    };
    zone._inner = zone._inner.fork({
        name: 'angular',
        properties: { 'isAngularZone': true },
        onInvokeTask: (delegate, current, target, task, applyThis, applyArgs) => {
            try {
                onEnter(zone);
                return delegate.invokeTask(target, task, applyThis, applyArgs);
            }
            finally {
                if ((zone.shouldCoalesceEventChangeDetection && task.type === 'eventTask') ||
                    zone.shouldCoalesceRunChangeDetection) {
                    delayChangeDetectionForEventsDelegate();
                }
                onLeave(zone);
            }
        },
        onInvoke: (delegate, current, target, callback, applyThis, applyArgs, source) => {
            try {
                onEnter(zone);
                return delegate.invoke(target, callback, applyThis, applyArgs, source);
            }
            finally {
                if (zone.shouldCoalesceRunChangeDetection) {
                    delayChangeDetectionForEventsDelegate();
                }
                onLeave(zone);
            }
        },
        onHasTask: (delegate, current, target, hasTaskState) => {
            delegate.hasTask(target, hasTaskState);
            if (current === target) {
                // We are only interested in hasTask events which originate from our zone
                // (A child hasTask event is not interesting to us)
                if (hasTaskState.change == 'microTask') {
                    zone._hasPendingMicrotasks = hasTaskState.microTask;
                    updateMicroTaskStatus(zone);
                    checkStable(zone);
                }
                else if (hasTaskState.change == 'macroTask') {
                    zone.hasPendingMacrotasks = hasTaskState.macroTask;
                }
            }
        },
        onHandleError: (delegate, current, target, error) => {
            delegate.handleError(target, error);
            zone.runOutsideAngular(() => zone.onError.emit(error));
            return false;
        }
    });
}
function updateMicroTaskStatus(zone) {
    if (zone._hasPendingMicrotasks ||
        ((zone.shouldCoalesceEventChangeDetection || zone.shouldCoalesceRunChangeDetection) &&
            zone.lastRequestAnimationFrameId !== -1)) {
        zone.hasPendingMicrotasks = true;
    }
    else {
        zone.hasPendingMicrotasks = false;
    }
}
function onEnter(zone) {
    zone._nesting++;
    if (zone.isStable) {
        zone.isStable = false;
        zone.onUnstable.emit(null);
    }
}
function onLeave(zone) {
    zone._nesting--;
    checkStable(zone);
}
/**
 * Provides a noop implementation of `NgZone` which does nothing. This zone requires explicit calls
 * to framework to perform rendering.
 */
class NoopNgZone {
    constructor() {
        this.hasPendingMicrotasks = false;
        this.hasPendingMacrotasks = false;
        this.isStable = true;
        this.onUnstable = new EventEmitter();
        this.onMicrotaskEmpty = new EventEmitter();
        this.onStable = new EventEmitter();
        this.onError = new EventEmitter();
    }
    run(fn, applyThis, applyArgs) {
        return fn.apply(applyThis, applyArgs);
    }
    runGuarded(fn, applyThis, applyArgs) {
        return fn.apply(applyThis, applyArgs);
    }
    runOutsideAngular(fn) {
        return fn();
    }
    runTask(fn, applyThis, applyArgs, name) {
        return fn.apply(applyThis, applyArgs);
    }
}

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
/**
 * The Testability service provides testing hooks that can be accessed from
 * the browser. Each bootstrapped Angular application on the page will have
 * an instance of Testability.
 * @publicApi
 */
class Testability {
    constructor(_ngZone) {
        this._ngZone = _ngZone;
        this._pendingCount = 0;
        this._isZoneStable = true;
        /**
         * Whether any work was done since the last 'whenStable' callback. This is
         * useful to detect if this could have potentially destabilized another
         * component while it is stabilizing.
         * @internal
         */
        this._didWork = false;
        this._callbacks = [];
        this.taskTrackingZone = null;
        this._watchAngularEvents();
        _ngZone.run(() => {
            this.taskTrackingZone =
                typeof Zone == 'undefined' ? null : Zone.current.get('TaskTrackingZone');
        });
    }
    _watchAngularEvents() {
        this._ngZone.onUnstable.subscribe({
            next: () => {
                this._didWork = true;
                this._isZoneStable = false;
            }
        });
        this._ngZone.runOutsideAngular(() => {
            this._ngZone.onStable.subscribe({
                next: () => {
                    NgZone.assertNotInAngularZone();
                    scheduleMicroTask(() => {
                        this._isZoneStable = true;
                        this._runCallbacksIfReady();
                    });
                }
            });
        });
    }
    /**
     * Increases the number of pending request
     * @deprecated pending requests are now tracked with zones.
     */
    increasePendingRequestCount() {
        this._pendingCount += 1;
        this._didWork = true;
        return this._pendingCount;
    }
    /**
     * Decreases the number of pending request
     * @deprecated pending requests are now tracked with zones
     */
    decreasePendingRequestCount() {
        this._pendingCount -= 1;
        if (this._pendingCount < 0) {
            throw new Error('pending async requests below zero');
        }
        this._runCallbacksIfReady();
        return this._pendingCount;
    }
    /**
     * Whether an associated application is stable
     */
    isStable() {
        return this._isZoneStable && this._pendingCount === 0 && !this._ngZone.hasPendingMacrotasks;
    }
    _runCallbacksIfReady() {
        if (this.isStable()) {
            // Schedules the call backs in a new frame so that it is always async.
            scheduleMicroTask(() => {
                while (this._callbacks.length !== 0) {
                    let cb = this._callbacks.pop();
                    clearTimeout(cb.timeoutId);
                    cb.doneCb(this._didWork);
                }
                this._didWork = false;
            });
        }
        else {
            // Still not stable, send updates.
            let pending = this.getPendingTasks();
            this._callbacks = this._callbacks.filter((cb) => {
                if (cb.updateCb && cb.updateCb(pending)) {
                    clearTimeout(cb.timeoutId);
                    return false;
                }
                return true;
            });
            this._didWork = true;
        }
    }
    getPendingTasks() {
        if (!this.taskTrackingZone) {
            return [];
        }
        // Copy the tasks data so that we don't leak tasks.
        return this.taskTrackingZone.macroTasks.map((t) => {
            return {
                source: t.source,
                // From TaskTrackingZone:
                // https://github.com/angular/zone.js/blob/master/lib/zone-spec/task-tracking.ts#L40
                creationLocation: t.creationLocation,
                data: t.data
            };
        });
    }
    addCallback(cb, timeout, updateCb) {
        let timeoutId = -1;
        if (timeout && timeout > 0) {
            timeoutId = setTimeout(() => {
                this._callbacks = this._callbacks.filter((cb) => cb.timeoutId !== timeoutId);
                cb(this._didWork, this.getPendingTasks());
            }, timeout);
        }
        this._callbacks.push({ doneCb: cb, timeoutId: timeoutId, updateCb: updateCb });
    }
    /**
     * Wait for the application to be stable with a timeout. If the timeout is reached before that
     * happens, the callback receives a list of the macro tasks that were pending, otherwise null.
     *
     * @param doneCb The callback to invoke when Angular is stable or the timeout expires
     *    whichever comes first.
     * @param timeout Optional. The maximum time to wait for Angular to become stable. If not
     *    specified, whenStable() will wait forever.
     * @param updateCb Optional. If specified, this callback will be invoked whenever the set of
     *    pending macrotasks changes. If this callback returns true doneCb will not be invoked
     *    and no further updates will be issued.
     */
    whenStable(doneCb, timeout, updateCb) {
        if (updateCb && !this.taskTrackingZone) {
            throw new Error('Task tracking zone is required when passing an update callback to ' +
                'whenStable(). Is "zone.js/plugins/task-tracking" loaded?');
        }
        // These arguments are 'Function' above to keep the public API simple.
        this.addCallback(doneCb, timeout, updateCb);
        this._runCallbacksIfReady();
    }
    /**
     * Get the number of pending requests
     * @deprecated pending requests are now tracked with zones
     */
    getPendingRequestCount() {
        return this._pendingCount;
    }
    /**
     * Find providers by name
     * @param using The root element to search from
     * @param provider The name of binding variable
     * @param exactMatch Whether using exactMatch
     */
    findProviders(using, provider, exactMatch) {
        // TODO(juliemr): implement.
        return [];
    }
}
Testability.ɵfac = function Testability_Factory(t) { return new (t || Testability)(ɵɵinject(NgZone)); };
Testability.ɵprov = /*@__PURE__*/ ɵɵdefineInjectable({ token: Testability, factory: Testability.ɵfac });
Testability.ctorParameters = () => [
    { type: NgZone }
];
(function () { (typeof ngDevMode === "undefined" || ngDevMode) && setClassMetadata(Testability, [{
        type: Injectable
    }], function () { return [{ type: NgZone }]; }, null); })();
/**
 * A global registry of {@link Testability} instances for specific elements.
 * @publicApi
 */
class TestabilityRegistry {
    constructor() {
        /** @internal */
        this._applications = new Map();
        _testabilityGetter.addToWindow(this);
    }
    /**
     * Registers an application with a testability hook so that it can be tracked
     * @param token token of application, root element
     * @param testability Testability hook
     */
    registerApplication(token, testability) {
        this._applications.set(token, testability);
    }
    /**
     * Unregisters an application.
     * @param token token of application, root element
     */
    unregisterApplication(token) {
        this._applications.delete(token);
    }
    /**
     * Unregisters all applications
     */
    unregisterAllApplications() {
        this._applications.clear();
    }
    /**
     * Get a testability hook associated with the application
     * @param elem root element
     */
    getTestability(elem) {
        return this._applications.get(elem) || null;
    }
    /**
     * Get all registered testabilities
     */
    getAllTestabilities() {
        return Array.from(this._applications.values());
    }
    /**
     * Get all registered applications(root elements)
     */
    getAllRootElements() {
        return Array.from(this._applications.keys());
    }
    /**
     * Find testability of a node in the Tree
     * @param elem node
     * @param findInAncestors whether finding testability in ancestors if testability was not found in
     * current node
     */
    findTestabilityInTree(elem, findInAncestors = true) {
        return _testabilityGetter.findTestabilityInTree(this, elem, findInAncestors);
    }
}
TestabilityRegistry.ɵfac = function TestabilityRegistry_Factory(t) { return new (t || TestabilityRegistry)(); };
TestabilityRegistry.ɵprov = /*@__PURE__*/ ɵɵdefineInjectable({ token: TestabilityRegistry, factory: TestabilityRegistry.ɵfac });
TestabilityRegistry.ctorParameters = () => [];
(function () { (typeof ngDevMode === "undefined" || ngDevMode) && setClassMetadata(TestabilityRegistry, [{
        type: Injectable
    }], function () { return []; }, null); })();
class _NoopGetTestability {
    addToWindow(registry) { }
    findTestabilityInTree(registry, elem, findInAncestors) {
        return null;
    }
}
/**
 * Set the {@link GetTestability} implementation used by the Angular testing framework.
 * @publicApi
 */
function setTestabilityGetter(getter) {
    _testabilityGetter = getter;
}
let _testabilityGetter = new _NoopGetTestability();

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
/**
 * This file is used to control if the default rendering pipeline should be `ViewEngine` or `Ivy`.
 *
 * For more information on how to run and debug tests with either Ivy or View Engine (legacy),
 * please see [BAZEL.md](./docs/BAZEL.md).
 */
let _devMode = true;
let _runModeLocked = false;
/**
 * Returns whether Angular is in development mode. After called once,
 * the value is locked and won't change any more.
 *
 * By default, this is true, unless a user calls `enableProdMode` before calling this.
 *
 * @publicApi
 */
function isDevMode() {
    _runModeLocked = true;
    return _devMode;
}
/**
 * Disable Angular's development mode, which turns off assertions and other
 * checks within the framework.
 *
 * One important assertion this disables verifies that a change detection pass
 * does not result in additional changes to any bindings (also known as
 * unidirectional data flow).
 *
 * @publicApi
 */
function enableProdMode() {
    if (_runModeLocked) {
        throw new Error('Cannot enable prod mode after platform setup.');
    }
    // The below check is there so when ngDevMode is set via terser
    // `global['ngDevMode'] = false;` is also dropped.
    if (typeof ngDevMode === undefined || !!ngDevMode) {
        _global['ngDevMode'] = false;
    }
    _devMode = false;
}

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
let _platform;
let compileNgModuleFactory = compileNgModuleFactory__POST_R3__;
function compileNgModuleFactory__PRE_R3__(injector, options, moduleType) {
    const compilerFactory = injector.get(CompilerFactory);
    const compiler = compilerFactory.createCompiler([options]);
    return compiler.compileModuleAsync(moduleType);
}
function compileNgModuleFactory__POST_R3__(injector, options, moduleType) {
    ngDevMode && assertNgModuleType(moduleType);
    const moduleFactory = new NgModuleFactory$1(moduleType);
    // All of the logic below is irrelevant for AOT-compiled code.
    if (typeof ngJitMode !== 'undefined' && !ngJitMode) {
        return Promise.resolve(moduleFactory);
    }
    const compilerOptions = injector.get(COMPILER_OPTIONS, []).concat(options);
    // Configure the compiler to use the provided options. This call may fail when multiple modules
    // are bootstrapped with incompatible options, as a component can only be compiled according to
    // a single set of options.
    setJitOptions({
        defaultEncapsulation: _lastDefined(compilerOptions.map(opts => opts.defaultEncapsulation)),
        preserveWhitespaces: _lastDefined(compilerOptions.map(opts => opts.preserveWhitespaces)),
    });
    if (isComponentResourceResolutionQueueEmpty()) {
        return Promise.resolve(moduleFactory);
    }
    const compilerProviders = _mergeArrays(compilerOptions.map(o => o.providers));
    // In case there are no compiler providers, we just return the module factory as
    // there won't be any resource loader. This can happen with Ivy, because AOT compiled
    // modules can be still passed through "bootstrapModule". In that case we shouldn't
    // unnecessarily require the JIT compiler.
    if (compilerProviders.length === 0) {
        return Promise.resolve(moduleFactory);
    }
    const compiler = getCompilerFacade({
        usage: 0 /* Decorator */,
        kind: 'NgModule',
        type: moduleType,
    });
    const compilerInjector = Injector.create({ providers: compilerProviders });
    const resourceLoader = compilerInjector.get(compiler.ResourceLoader);
    // The resource loader can also return a string while the "resolveComponentResources"
    // always expects a promise. Therefore we need to wrap the returned value in a promise.
    return resolveComponentResources(url => Promise.resolve(resourceLoader.get(url)))
        .then(() => moduleFactory);
}
// the `window.ng` global utilities are only available in non-VE versions of
// Angular. The function switch below will make sure that the code is not
// included into Angular when PRE mode is active.
function publishDefaultGlobalUtils__PRE_R3__() { }
function publishDefaultGlobalUtils__POST_R3__() {
    ngDevMode && publishDefaultGlobalUtils();
}
let publishDefaultGlobalUtils$1 = publishDefaultGlobalUtils__POST_R3__;
let isBoundToModule = isBoundToModule__POST_R3__;
function isBoundToModule__PRE_R3__(cf) {
    return cf instanceof ComponentFactoryBoundToModule;
}
function isBoundToModule__POST_R3__(cf) {
    return cf.isBoundToModule;
}
const ALLOW_MULTIPLE_PLATFORMS = new InjectionToken('AllowMultipleToken');
/**
 * A token for third-party components that can register themselves with NgProbe.
 *
 * @publicApi
 */
class NgProbeToken {
    constructor(name, token) {
        this.name = name;
        this.token = token;
    }
}
/**
 * Creates a platform.
 * Platforms must be created on launch using this function.
 *
 * @publicApi
 */
function createPlatform(injector) {
    if (_platform && !_platform.destroyed &&
        !_platform.injector.get(ALLOW_MULTIPLE_PLATFORMS, false)) {
        throw new Error('There can be only one platform. Destroy the previous one to create a new one.');
    }
    publishDefaultGlobalUtils$1();
    _platform = injector.get(PlatformRef);
    const inits = injector.get(PLATFORM_INITIALIZER, null);
    if (inits)
        inits.forEach((init) => init());
    return _platform;
}
/**
 * Creates a factory for a platform. Can be used to provide or override `Providers` specific to
 * your application's runtime needs, such as `PLATFORM_INITIALIZER` and `PLATFORM_ID`.
 * @param parentPlatformFactory Another platform factory to modify. Allows you to compose factories
 * to build up configurations that might be required by different libraries or parts of the
 * application.
 * @param name Identifies the new platform factory.
 * @param providers A set of dependency providers for platforms created with the new factory.
 *
 * @publicApi
 */
function createPlatformFactory(parentPlatformFactory, name, providers = []) {
    const desc = `Platform: ${name}`;
    const marker = new InjectionToken(desc);
    return (extraProviders = []) => {
        let platform = getPlatform();
        if (!platform || platform.injector.get(ALLOW_MULTIPLE_PLATFORMS, false)) {
            if (parentPlatformFactory) {
                parentPlatformFactory(providers.concat(extraProviders).concat({ provide: marker, useValue: true }));
            }
            else {
                const injectedProviders = providers.concat(extraProviders).concat({ provide: marker, useValue: true }, {
                    provide: INJECTOR_SCOPE,
                    useValue: 'platform'
                });
                createPlatform(Injector.create({ providers: injectedProviders, name: desc }));
            }
        }
        return assertPlatform(marker);
    };
}
/**
 * Checks that there is currently a platform that contains the given token as a provider.
 *
 * @publicApi
 */
function assertPlatform(requiredToken) {
    const platform = getPlatform();
    if (!platform) {
        throw new Error('No platform exists!');
    }
    if (!platform.injector.get(requiredToken, null)) {
        throw new Error('A platform with a different configuration has been created. Please destroy it first.');
    }
    return platform;
}
/**
 * Destroys the current Angular platform and all Angular applications on the page.
 * Destroys all modules and listeners registered with the platform.
 *
 * @publicApi
 */
function destroyPlatform() {
    if (_platform && !_platform.destroyed) {
        _platform.destroy();
    }
}
/**
 * Returns the current platform.
 *
 * @publicApi
 */
function getPlatform() {
    return _platform && !_platform.destroyed ? _platform : null;
}
/**
 * The Angular platform is the entry point for Angular on a web page.
 * Each page has exactly one platform. Services (such as reflection) which are common
 * to every Angular application running on the page are bound in its scope.
 * A page's platform is initialized implicitly when a platform is created using a platform
 * factory such as `PlatformBrowser`, or explicitly by calling the `createPlatform()` function.
 *
 * @publicApi
 */
class PlatformRef {
    /** @internal */
    constructor(_injector) {
        this._injector = _injector;
        this._modules = [];
        this._destroyListeners = [];
        this._destroyed = false;
    }
    /**
     * Creates an instance of an `@NgModule` for the given platform for offline compilation.
     *
     * @usageNotes
     *
     * The following example creates the NgModule for a browser platform.
     *
     * ```typescript
     * my_module.ts:
     *
     * @NgModule({
     *   imports: [BrowserModule]
     * })
     * class MyModule {}
     *
     * main.ts:
     * import {MyModuleNgFactory} from './my_module.ngfactory';
     * import {platformBrowser} from '@angular/platform-browser';
     *
     * let moduleRef = platformBrowser().bootstrapModuleFactory(MyModuleNgFactory);
     * ```
     */
    bootstrapModuleFactory(moduleFactory, options) {
        // Note: We need to create the NgZone _before_ we instantiate the module,
        // as instantiating the module creates some providers eagerly.
        // So we create a mini parent injector that just contains the new NgZone and
        // pass that as parent to the NgModuleFactory.
        const ngZoneOption = options ? options.ngZone : undefined;
        const ngZoneEventCoalescing = (options && options.ngZoneEventCoalescing) || false;
        const ngZoneRunCoalescing = (options && options.ngZoneRunCoalescing) || false;
        const ngZone = getNgZone(ngZoneOption, { ngZoneEventCoalescing, ngZoneRunCoalescing });
        const providers = [{ provide: NgZone, useValue: ngZone }];
        // Note: Create ngZoneInjector within ngZone.run so that all of the instantiated services are
        // created within the Angular zone
        // Do not try to replace ngZone.run with ApplicationRef#run because ApplicationRef would then be
        // created outside of the Angular zone.
        return ngZone.run(() => {
            const ngZoneInjector = Injector.create({ providers: providers, parent: this.injector, name: moduleFactory.moduleType.name });
            const moduleRef = moduleFactory.create(ngZoneInjector);
            const exceptionHandler = moduleRef.injector.get(ErrorHandler, null);
            if (!exceptionHandler) {
                throw new Error('No ErrorHandler. Is platform module (BrowserModule) included?');
            }
            ngZone.runOutsideAngular(() => {
                const subscription = ngZone.onError.subscribe({
                    next: (error) => {
                        exceptionHandler.handleError(error);
                    }
                });
                moduleRef.onDestroy(() => {
                    remove(this._modules, moduleRef);
                    subscription.unsubscribe();
                });
            });
            return _callAndReportToErrorHandler(exceptionHandler, ngZone, () => {
                const initStatus = moduleRef.injector.get(ApplicationInitStatus);
                initStatus.runInitializers();
                return initStatus.donePromise.then(() => {
                    if (ivyEnabled) {
                        // If the `LOCALE_ID` provider is defined at bootstrap then we set the value for ivy
                        const localeId = moduleRef.injector.get(LOCALE_ID$1, DEFAULT_LOCALE_ID);
                        setLocaleId(localeId || DEFAULT_LOCALE_ID);
                    }
                    this._moduleDoBootstrap(moduleRef);
                    return moduleRef;
                });
            });
        });
    }
    /**
     * Creates an instance of an `@NgModule` for a given platform using the given runtime compiler.
     *
     * @usageNotes
     * ### Simple Example
     *
     * ```typescript
     * @NgModule({
     *   imports: [BrowserModule]
     * })
     * class MyModule {}
     *
     * let moduleRef = platformBrowser().bootstrapModule(MyModule);
     * ```
     *
     */
    bootstrapModule(moduleType, compilerOptions = []) {
        const options = optionsReducer({}, compilerOptions);
        return compileNgModuleFactory(this.injector, options, moduleType)
            .then(moduleFactory => this.bootstrapModuleFactory(moduleFactory, options));
    }
    _moduleDoBootstrap(moduleRef) {
        const appRef = moduleRef.injector.get(ApplicationRef);
        if (moduleRef._bootstrapComponents.length > 0) {
            moduleRef._bootstrapComponents.forEach(f => appRef.bootstrap(f));
        }
        else if (moduleRef.instance.ngDoBootstrap) {
            moduleRef.instance.ngDoBootstrap(appRef);
        }
        else {
            throw new Error(`The module ${stringify(moduleRef.instance
                .constructor)} was bootstrapped, but it does not declare "@NgModule.bootstrap" components nor a "ngDoBootstrap" method. ` +
                `Please define one of these.`);
        }
        this._modules.push(moduleRef);
    }
    /**
     * Registers a listener to be called when the platform is destroyed.
     */
    onDestroy(callback) {
        this._destroyListeners.push(callback);
    }
    /**
     * Retrieves the platform {@link Injector}, which is the parent injector for
     * every Angular application on the page and provides singleton providers.
     */
    get injector() {
        return this._injector;
    }
    /**
     * Destroys the current Angular platform and all Angular applications on the page.
     * Destroys all modules and listeners registered with the platform.
     */
    destroy() {
        if (this._destroyed) {
            throw new Error('The platform has already been destroyed!');
        }
        this._modules.slice().forEach(module => module.destroy());
        this._destroyListeners.forEach(listener => listener());
        this._destroyed = true;
    }
    get destroyed() {
        return this._destroyed;
    }
}
PlatformRef.ɵfac = function PlatformRef_Factory(t) { return new (t || PlatformRef)(ɵɵinject(Injector)); };
PlatformRef.ɵprov = /*@__PURE__*/ ɵɵdefineInjectable({ token: PlatformRef, factory: PlatformRef.ɵfac });
PlatformRef.ctorParameters = () => [
    { type: Injector }
];
(function () { (typeof ngDevMode === "undefined" || ngDevMode) && setClassMetadata(PlatformRef, [{
        type: Injectable
    }], function () { return [{ type: Injector }]; }, null); })();
function getNgZone(ngZoneOption, extra) {
    let ngZone;
    if (ngZoneOption === 'noop') {
        ngZone = new NoopNgZone();
    }
    else {
        ngZone = (ngZoneOption === 'zone.js' ? undefined : ngZoneOption) || new NgZone({
            enableLongStackTrace: isDevMode(),
            shouldCoalesceEventChangeDetection: !!(extra === null || extra === void 0 ? void 0 : extra.ngZoneEventCoalescing),
            shouldCoalesceRunChangeDetection: !!(extra === null || extra === void 0 ? void 0 : extra.ngZoneRunCoalescing)
        });
    }
    return ngZone;
}
function _callAndReportToErrorHandler(errorHandler, ngZone, callback) {
    try {
        const result = callback();
        if (isPromise(result)) {
            return result.catch((e) => {
                ngZone.runOutsideAngular(() => errorHandler.handleError(e));
                // rethrow as the exception handler might not do it
                throw e;
            });
        }
        return result;
    }
    catch (e) {
        ngZone.runOutsideAngular(() => errorHandler.handleError(e));
        // rethrow as the exception handler might not do it
        throw e;
    }
}
function optionsReducer(dst, objs) {
    if (Array.isArray(objs)) {
        dst = objs.reduce(optionsReducer, dst);
    }
    else {
        dst = Object.assign(Object.assign({}, dst), objs);
    }
    return dst;
}
/**
 * A reference to an Angular application running on a page.
 *
 * @usageNotes
 *
 * {@a is-stable-examples}
 * ### isStable examples and caveats
 *
 * Note two important points about `isStable`, demonstrated in the examples below:
 * - the application will never be stable if you start any kind
 * of recurrent asynchronous task when the application starts
 * (for example for a polling process, started with a `setInterval`, a `setTimeout`
 * or using RxJS operators like `interval`);
 * - the `isStable` Observable runs outside of the Angular zone.
 *
 * Let's imagine that you start a recurrent task
 * (here incrementing a counter, using RxJS `interval`),
 * and at the same time subscribe to `isStable`.
 *
 * ```
 * constructor(appRef: ApplicationRef) {
 *   appRef.isStable.pipe(
 *      filter(stable => stable)
 *   ).subscribe(() => console.log('App is stable now');
 *   interval(1000).subscribe(counter => console.log(counter));
 * }
 * ```
 * In this example, `isStable` will never emit `true`,
 * and the trace "App is stable now" will never get logged.
 *
 * If you want to execute something when the app is stable,
 * you have to wait for the application to be stable
 * before starting your polling process.
 *
 * ```
 * constructor(appRef: ApplicationRef) {
 *   appRef.isStable.pipe(
 *     first(stable => stable),
 *     tap(stable => console.log('App is stable now')),
 *     switchMap(() => interval(1000))
 *   ).subscribe(counter => console.log(counter));
 * }
 * ```
 * In this example, the trace "App is stable now" will be logged
 * and then the counter starts incrementing every second.
 *
 * Note also that this Observable runs outside of the Angular zone,
 * which means that the code in the subscription
 * to this Observable will not trigger the change detection.
 *
 * Let's imagine that instead of logging the counter value,
 * you update a field of your component
 * and display it in its template.
 *
 * ```
 * constructor(appRef: ApplicationRef) {
 *   appRef.isStable.pipe(
 *     first(stable => stable),
 *     switchMap(() => interval(1000))
 *   ).subscribe(counter => this.value = counter);
 * }
 * ```
 * As the `isStable` Observable runs outside the zone,
 * the `value` field will be updated properly,
 * but the template will not be refreshed!
 *
 * You'll have to manually trigger the change detection to update the template.
 *
 * ```
 * constructor(appRef: ApplicationRef, cd: ChangeDetectorRef) {
 *   appRef.isStable.pipe(
 *     first(stable => stable),
 *     switchMap(() => interval(1000))
 *   ).subscribe(counter => {
 *     this.value = counter;
 *     cd.detectChanges();
 *   });
 * }
 * ```
 *
 * Or make the subscription callback run inside the zone.
 *
 * ```
 * constructor(appRef: ApplicationRef, zone: NgZone) {
 *   appRef.isStable.pipe(
 *     first(stable => stable),
 *     switchMap(() => interval(1000))
 *   ).subscribe(counter => zone.run(() => this.value = counter));
 * }
 * ```
 *
 * @publicApi
 */
class ApplicationRef {
    /** @internal */
    constructor(_zone, _injector, _exceptionHandler, _componentFactoryResolver, _initStatus) {
        this._zone = _zone;
        this._injector = _injector;
        this._exceptionHandler = _exceptionHandler;
        this._componentFactoryResolver = _componentFactoryResolver;
        this._initStatus = _initStatus;
        /** @internal */
        this._bootstrapListeners = [];
        this._views = [];
        this._runningTick = false;
        this._stable = true;
        /**
         * Get a list of component types registered to this application.
         * This list is populated even before the component is created.
         */
        this.componentTypes = [];
        /**
         * Get a list of components registered to this application.
         */
        this.components = [];
        this._onMicrotaskEmptySubscription = this._zone.onMicrotaskEmpty.subscribe({
            next: () => {
                this._zone.run(() => {
                    this.tick();
                });
            }
        });
        const isCurrentlyStable = new rxjs__WEBPACK_IMPORTED_MODULE_2__.Observable((observer) => {
            this._stable = this._zone.isStable && !this._zone.hasPendingMacrotasks &&
                !this._zone.hasPendingMicrotasks;
            this._zone.runOutsideAngular(() => {
                observer.next(this._stable);
                observer.complete();
            });
        });
        const isStable = new rxjs__WEBPACK_IMPORTED_MODULE_2__.Observable((observer) => {
            // Create the subscription to onStable outside the Angular Zone so that
            // the callback is run outside the Angular Zone.
            let stableSub;
            this._zone.runOutsideAngular(() => {
                stableSub = this._zone.onStable.subscribe(() => {
                    NgZone.assertNotInAngularZone();
                    // Check whether there are no pending macro/micro tasks in the next tick
                    // to allow for NgZone to update the state.
                    scheduleMicroTask(() => {
                        if (!this._stable && !this._zone.hasPendingMacrotasks &&
                            !this._zone.hasPendingMicrotasks) {
                            this._stable = true;
                            observer.next(true);
                        }
                    });
                });
            });
            const unstableSub = this._zone.onUnstable.subscribe(() => {
                NgZone.assertInAngularZone();
                if (this._stable) {
                    this._stable = false;
                    this._zone.runOutsideAngular(() => {
                        observer.next(false);
                    });
                }
            });
            return () => {
                stableSub.unsubscribe();
                unstableSub.unsubscribe();
            };
        });
        this.isStable =
            (0,rxjs__WEBPACK_IMPORTED_MODULE_3__.merge)(isCurrentlyStable, isStable.pipe((0,rxjs_operators__WEBPACK_IMPORTED_MODULE_4__.share)()));
    }
    /**
     * Bootstrap a component onto the element identified by its selector or, optionally, to a
     * specified element.
     *
     * @usageNotes
     * ### Bootstrap process
     *
     * When bootstrapping a component, Angular mounts it onto a target DOM element
     * and kicks off automatic change detection. The target DOM element can be
     * provided using the `rootSelectorOrNode` argument.
     *
     * If the target DOM element is not provided, Angular tries to find one on a page
     * using the `selector` of the component that is being bootstrapped
     * (first matched element is used).
     *
     * ### Example
     *
     * Generally, we define the component to bootstrap in the `bootstrap` array of `NgModule`,
     * but it requires us to know the component while writing the application code.
     *
     * Imagine a situation where we have to wait for an API call to decide about the component to
     * bootstrap. We can use the `ngDoBootstrap` hook of the `NgModule` and call this method to
     * dynamically bootstrap a component.
     *
     * {@example core/ts/platform/platform.ts region='componentSelector'}
     *
     * Optionally, a component can be mounted onto a DOM element that does not match the
     * selector of the bootstrapped component.
     *
     * In the following example, we are providing a CSS selector to match the target element.
     *
     * {@example core/ts/platform/platform.ts region='cssSelector'}
     *
     * While in this example, we are providing reference to a DOM node.
     *
     * {@example core/ts/platform/platform.ts region='domNode'}
     */
    bootstrap(componentOrFactory, rootSelectorOrNode) {
        if (!this._initStatus.done) {
            throw new Error('Cannot bootstrap as there are still asynchronous initializers running. Bootstrap components in the `ngDoBootstrap` method of the root module.');
        }
        let componentFactory;
        if (componentOrFactory instanceof ComponentFactory) {
            componentFactory = componentOrFactory;
        }
        else {
            componentFactory =
                this._componentFactoryResolver.resolveComponentFactory(componentOrFactory);
        }
        this.componentTypes.push(componentFactory.componentType);
        // Create a factory associated with the current module if it's not bound to some other
        const ngModule = isBoundToModule(componentFactory) ? undefined : this._injector.get(NgModuleRef);
        const selectorOrNode = rootSelectorOrNode || componentFactory.selector;
        const compRef = componentFactory.create(Injector.NULL, [], selectorOrNode, ngModule);
        const nativeElement = compRef.location.nativeElement;
        const testability = compRef.injector.get(Testability, null);
        const testabilityRegistry = testability && compRef.injector.get(TestabilityRegistry);
        if (testability && testabilityRegistry) {
            testabilityRegistry.registerApplication(nativeElement, testability);
        }
        compRef.onDestroy(() => {
            this.detachView(compRef.hostView);
            remove(this.components, compRef);
            if (testabilityRegistry) {
                testabilityRegistry.unregisterApplication(nativeElement);
            }
        });
        this._loadComponent(compRef);
        // Note that we have still left the `isDevMode()` condition in order to avoid
        // creating a breaking change for projects that still use the View Engine.
        if ((typeof ngDevMode === 'undefined' || ngDevMode) && isDevMode()) {
            const _console = this._injector.get(Console);
            _console.log(`Angular is running in development mode. Call enableProdMode() to enable production mode.`);
        }
        return compRef;
    }
    /**
     * Invoke this method to explicitly process change detection and its side-effects.
     *
     * In development mode, `tick()` also performs a second change detection cycle to ensure that no
     * further changes are detected. If additional changes are picked up during this second cycle,
     * bindings in the app have side-effects that cannot be resolved in a single change detection
     * pass.
     * In this case, Angular throws an error, since an Angular application can only have one change
     * detection pass during which all change detection must complete.
     */
    tick() {
        if (this._runningTick) {
            throw new Error('ApplicationRef.tick is called recursively');
        }
        try {
            this._runningTick = true;
            for (let view of this._views) {
                view.detectChanges();
            }
            // Note that we have still left the `isDevMode()` condition in order to avoid
            // creating a breaking change for projects that still use the View Engine.
            if ((typeof ngDevMode === 'undefined' || ngDevMode) && isDevMode()) {
                for (let view of this._views) {
                    view.checkNoChanges();
                }
            }
        }
        catch (e) {
            // Attention: Don't rethrow as it could cancel subscriptions to Observables!
            this._zone.runOutsideAngular(() => this._exceptionHandler.handleError(e));
        }
        finally {
            this._runningTick = false;
        }
    }
    /**
     * Attaches a view so that it will be dirty checked.
     * The view will be automatically detached when it is destroyed.
     * This will throw if the view is already attached to a ViewContainer.
     */
    attachView(viewRef) {
        const view = viewRef;
        this._views.push(view);
        view.attachToAppRef(this);
    }
    /**
     * Detaches a view from dirty checking again.
     */
    detachView(viewRef) {
        const view = viewRef;
        remove(this._views, view);
        view.detachFromAppRef();
    }
    _loadComponent(componentRef) {
        this.attachView(componentRef.hostView);
        this.tick();
        this.components.push(componentRef);
        // Get the listeners lazily to prevent DI cycles.
        const listeners = this._injector.get(APP_BOOTSTRAP_LISTENER, []).concat(this._bootstrapListeners);
        listeners.forEach((listener) => listener(componentRef));
    }
    /** @internal */
    ngOnDestroy() {
        this._views.slice().forEach((view) => view.destroy());
        this._onMicrotaskEmptySubscription.unsubscribe();
    }
    /**
     * Returns the number of attached views.
     */
    get viewCount() {
        return this._views.length;
    }
}
ApplicationRef.ɵfac = function ApplicationRef_Factory(t) { return new (t || ApplicationRef)(ɵɵinject(NgZone), ɵɵinject(Injector), ɵɵinject(ErrorHandler), ɵɵinject(ComponentFactoryResolver), ɵɵinject(ApplicationInitStatus)); };
ApplicationRef.ɵprov = /*@__PURE__*/ ɵɵdefineInjectable({ token: ApplicationRef, factory: ApplicationRef.ɵfac });
ApplicationRef.ctorParameters = () => [
    { type: NgZone },
    { type: Injector },
    { type: ErrorHandler },
    { type: ComponentFactoryResolver },
    { type: ApplicationInitStatus }
];
(function () { (typeof ngDevMode === "undefined" || ngDevMode) && setClassMetadata(ApplicationRef, [{
        type: Injectable
    }], function () { return [{ type: NgZone }, { type: Injector }, { type: ErrorHandler }, { type: ComponentFactoryResolver }, { type: ApplicationInitStatus }]; }, null); })();
function remove(list, el) {
    const index = list.indexOf(el);
    if (index > -1) {
        list.splice(index, 1);
    }
}
function _lastDefined(args) {
    for (let i = args.length - 1; i >= 0; i--) {
        if (args[i] !== undefined) {
            return args[i];
        }
    }
    return undefined;
}
function _mergeArrays(parts) {
    const result = [];
    parts.forEach((part) => part && result.push(...part));
    return result;
}

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
/**
 * Used to load ng module factories.
 *
 * @publicApi
 * @deprecated the `string` form of `loadChildren` is deprecated, and `NgModuleFactoryLoader` is
 * part of its implementation. See `LoadChildren` for more details.
 */
class NgModuleFactoryLoader {
}
function getModuleFactory__PRE_R3__(id) {
    const factory = getRegisteredNgModuleType(id);
    if (!factory)
        throw noModuleError(id);
    return factory;
}
function getModuleFactory__POST_R3__(id) {
    const type = getRegisteredNgModuleType(id);
    if (!type)
        throw noModuleError(id);
    return new NgModuleFactory$1(type);
}
/**
 * Returns the NgModuleFactory with the given id, if it exists and has been loaded.
 * Factories for modules that do not specify an `id` cannot be retrieved. Throws if the module
 * cannot be found.
 * @publicApi
 */
const getModuleFactory = getModuleFactory__POST_R3__;
function noModuleError(id) {
    return new Error(`No module with ID ${id} loaded`);
}

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
const _SEPARATOR = '#';
const FACTORY_CLASS_SUFFIX = 'NgFactory';
/**
 * Configuration for SystemJsNgModuleLoader.
 * token.
 *
 * @publicApi
 * @deprecated the `string` form of `loadChildren` is deprecated, and `SystemJsNgModuleLoaderConfig`
 * is part of its implementation. See `LoadChildren` for more details.
 */
class SystemJsNgModuleLoaderConfig {
}
const DEFAULT_CONFIG = {
    factoryPathPrefix: '',
    factoryPathSuffix: '.ngfactory',
};
/**
 * NgModuleFactoryLoader that uses SystemJS to load NgModuleFactory
 * @publicApi
 * @deprecated the `string` form of `loadChildren` is deprecated, and `SystemJsNgModuleLoader` is
 * part of its implementation. See `LoadChildren` for more details.
 */
class SystemJsNgModuleLoader {
    constructor(_compiler, config) {
        this._compiler = _compiler;
        this._config = config || DEFAULT_CONFIG;
    }
    load(path) {
        const legacyOfflineMode = !ivyEnabled && this._compiler instanceof Compiler;
        return legacyOfflineMode ? this.loadFactory(path) : this.loadAndCompile(path);
    }
    loadAndCompile(path) {
        let [module, exportName] = path.split(_SEPARATOR);
        if (exportName === undefined) {
            exportName = 'default';
        }
        return __webpack_require__(8255)(module)
            .then((module) => module[exportName])
            .then((type) => checkNotEmpty(type, module, exportName))
            .then((type) => this._compiler.compileModuleAsync(type));
    }
    loadFactory(path) {
        let [module, exportName] = path.split(_SEPARATOR);
        let factoryClassSuffix = FACTORY_CLASS_SUFFIX;
        if (exportName === undefined) {
            exportName = 'default';
            factoryClassSuffix = '';
        }
        return __webpack_require__(8255)(this._config.factoryPathPrefix + module + this._config.factoryPathSuffix)
            .then((module) => module[exportName + factoryClassSuffix])
            .then((factory) => checkNotEmpty(factory, module, exportName));
    }
}
SystemJsNgModuleLoader.ɵfac = function SystemJsNgModuleLoader_Factory(t) { return new (t || SystemJsNgModuleLoader)(ɵɵinject(Compiler), ɵɵinject(SystemJsNgModuleLoaderConfig, 8)); };
SystemJsNgModuleLoader.ɵprov = /*@__PURE__*/ ɵɵdefineInjectable({ token: SystemJsNgModuleLoader, factory: SystemJsNgModuleLoader.ɵfac });
SystemJsNgModuleLoader.ctorParameters = () => [
    { type: Compiler },
    { type: SystemJsNgModuleLoaderConfig, decorators: [{ type: Optional }] }
];
(function () { (typeof ngDevMode === "undefined" || ngDevMode) && setClassMetadata(SystemJsNgModuleLoader, [{
        type: Injectable
    }], function () { return [{ type: Compiler }, { type: SystemJsNgModuleLoaderConfig, decorators: [{
                type: Optional
            }] }]; }, null); })();
function checkNotEmpty(value, modulePath, exportName) {
    if (!value) {
        throw new Error(`Cannot find '${exportName}' in '${modulePath}'`);
    }
    return value;
}

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
/**
 * Represents an Angular [view](guide/glossary#view "Definition").
 *
 * @see {@link ChangeDetectorRef#usage-notes Change detection usage}
 *
 * @publicApi
 */
class ViewRef$1 extends ChangeDetectorRef {
}
/**
 * Represents an Angular [view](guide/glossary#view) in a view container.
 * An [embedded view](guide/glossary#view-tree) can be referenced from a component
 * other than the hosting component whose template defines it, or it can be defined
 * independently by a `TemplateRef`.
 *
 * Properties of elements in a view can change, but the structure (number and order) of elements in
 * a view cannot. Change the structure of elements by inserting, moving, or
 * removing nested views in a view container.
 *
 * @see `ViewContainerRef`
 *
 * @usageNotes
 *
 * The following template breaks down into two separate `TemplateRef` instances,
 * an outer one and an inner one.
 *
 * ```
 * Count: {{items.length}}
 * <ul>
 *   <li *ngFor="let  item of items">{{item}}</li>
 * </ul>
 * ```
 *
 * This is the outer `TemplateRef`:
 *
 * ```
 * Count: {{items.length}}
 * <ul>
 *   <ng-template ngFor let-item [ngForOf]="items"></ng-template>
 * </ul>
 * ```
 *
 * This is the inner `TemplateRef`:
 *
 * ```
 *   <li>{{item}}</li>
 * ```
 *
 * The outer and inner `TemplateRef` instances are assembled into views as follows:
 *
 * ```
 * <!-- ViewRef: outer-0 -->
 * Count: 2
 * <ul>
 *   <ng-template view-container-ref></ng-template>
 *   <!-- ViewRef: inner-1 --><li>first</li><!-- /ViewRef: inner-1 -->
 *   <!-- ViewRef: inner-2 --><li>second</li><!-- /ViewRef: inner-2 -->
 * </ul>
 * <!-- /ViewRef: outer-0 -->
 * ```
 * @publicApi
 */
class EmbeddedViewRef extends ViewRef$1 {
}

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
/**
 * @publicApi
 */
class DebugEventListener {
    constructor(name, callback) {
        this.name = name;
        this.callback = callback;
    }
}
class DebugNode__PRE_R3__ {
    constructor(nativeNode, parent, _debugContext) {
        this.listeners = [];
        this.parent = null;
        this._debugContext = _debugContext;
        this.nativeNode = nativeNode;
        if (parent && parent instanceof DebugElement__PRE_R3__) {
            parent.addChild(this);
        }
    }
    get injector() {
        return this._debugContext.injector;
    }
    get componentInstance() {
        return this._debugContext.component;
    }
    get context() {
        return this._debugContext.context;
    }
    get references() {
        return this._debugContext.references;
    }
    get providerTokens() {
        return this._debugContext.providerTokens;
    }
}
class DebugElement__PRE_R3__ extends DebugNode__PRE_R3__ {
    constructor(nativeNode, parent, _debugContext) {
        super(nativeNode, parent, _debugContext);
        this.properties = {};
        this.attributes = {};
        this.classes = {};
        this.styles = {};
        this.childNodes = [];
        this.nativeElement = nativeNode;
    }
    addChild(child) {
        if (child) {
            this.childNodes.push(child);
            child.parent = this;
        }
    }
    removeChild(child) {
        const childIndex = this.childNodes.indexOf(child);
        if (childIndex !== -1) {
            child.parent = null;
            this.childNodes.splice(childIndex, 1);
        }
    }
    insertChildrenAfter(child, newChildren) {
        const siblingIndex = this.childNodes.indexOf(child);
        if (siblingIndex !== -1) {
            this.childNodes.splice(siblingIndex + 1, 0, ...newChildren);
            newChildren.forEach(c => {
                if (c.parent) {
                    c.parent.removeChild(c);
                }
                child.parent = this;
            });
        }
    }
    insertBefore(refChild, newChild) {
        const refIndex = this.childNodes.indexOf(refChild);
        if (refIndex === -1) {
            this.addChild(newChild);
        }
        else {
            if (newChild.parent) {
                newChild.parent.removeChild(newChild);
            }
            newChild.parent = this;
            this.childNodes.splice(refIndex, 0, newChild);
        }
    }
    query(predicate) {
        const results = this.queryAll(predicate);
        return results[0] || null;
    }
    queryAll(predicate) {
        const matches = [];
        _queryElementChildren(this, predicate, matches);
        return matches;
    }
    queryAllNodes(predicate) {
        const matches = [];
        _queryNodeChildren(this, predicate, matches);
        return matches;
    }
    get children() {
        return this.childNodes //
            .filter((node) => node instanceof DebugElement__PRE_R3__);
    }
    triggerEventHandler(eventName, eventObj) {
        this.listeners.forEach((listener) => {
            if (listener.name == eventName) {
                listener.callback(eventObj);
            }
        });
    }
}
/**
 * @publicApi
 */
function asNativeElements(debugEls) {
    return debugEls.map((el) => el.nativeElement);
}
function _queryElementChildren(element, predicate, matches) {
    element.childNodes.forEach(node => {
        if (node instanceof DebugElement__PRE_R3__) {
            if (predicate(node)) {
                matches.push(node);
            }
            _queryElementChildren(node, predicate, matches);
        }
    });
}
function _queryNodeChildren(parentNode, predicate, matches) {
    if (parentNode instanceof DebugElement__PRE_R3__) {
        parentNode.childNodes.forEach(node => {
            if (predicate(node)) {
                matches.push(node);
            }
            if (node instanceof DebugElement__PRE_R3__) {
                _queryNodeChildren(node, predicate, matches);
            }
        });
    }
}
class DebugNode__POST_R3__ {
    constructor(nativeNode) {
        this.nativeNode = nativeNode;
    }
    get parent() {
        const parent = this.nativeNode.parentNode;
        return parent ? new DebugElement__POST_R3__(parent) : null;
    }
    get injector() {
        return getInjector(this.nativeNode);
    }
    get componentInstance() {
        const nativeElement = this.nativeNode;
        return nativeElement &&
            (getComponent(nativeElement) || getOwningComponent(nativeElement));
    }
    get context() {
        return getComponent(this.nativeNode) || getContext(this.nativeNode);
    }
    get listeners() {
        return getListeners(this.nativeNode).filter(listener => listener.type === 'dom');
    }
    get references() {
        return getLocalRefs(this.nativeNode);
    }
    get providerTokens() {
        return getInjectionTokens(this.nativeNode);
    }
}
class DebugElement__POST_R3__ extends DebugNode__POST_R3__ {
    constructor(nativeNode) {
        ngDevMode && assertDomNode(nativeNode);
        super(nativeNode);
    }
    get nativeElement() {
        return this.nativeNode.nodeType == Node.ELEMENT_NODE ? this.nativeNode : null;
    }
    get name() {
        const context = getLContext(this.nativeNode);
        if (context !== null) {
            const lView = context.lView;
            const tData = lView[TVIEW].data;
            const tNode = tData[context.nodeIndex];
            return tNode.value;
        }
        else {
            return this.nativeNode.nodeName;
        }
    }
    /**
     *  Gets a map of property names to property values for an element.
     *
     *  This map includes:
     *  - Regular property bindings (e.g. `[id]="id"`)
     *  - Host property bindings (e.g. `host: { '[id]': "id" }`)
     *  - Interpolated property bindings (e.g. `id="{{ value }}")
     *
     *  It does not include:
     *  - input property bindings (e.g. `[myCustomInput]="value"`)
     *  - attribute bindings (e.g. `[attr.role]="menu"`)
     */
    get properties() {
        const context = getLContext(this.nativeNode);
        if (context === null) {
            return {};
        }
        const lView = context.lView;
        const tData = lView[TVIEW].data;
        const tNode = tData[context.nodeIndex];
        const properties = {};
        // Collect properties from the DOM.
        copyDomProperties(this.nativeElement, properties);
        // Collect properties from the bindings. This is needed for animation renderer which has
        // synthetic properties which don't get reflected into the DOM.
        collectPropertyBindings(properties, tNode, lView, tData);
        return properties;
    }
    get attributes() {
        const attributes = {};
        const element = this.nativeElement;
        if (!element) {
            return attributes;
        }
        const context = getLContext(element);
        if (context === null) {
            return {};
        }
        const lView = context.lView;
        const tNodeAttrs = lView[TVIEW].data[context.nodeIndex].attrs;
        const lowercaseTNodeAttrs = [];
        // For debug nodes we take the element's attribute directly from the DOM since it allows us
        // to account for ones that weren't set via bindings (e.g. ViewEngine keeps track of the ones
        // that are set through `Renderer2`). The problem is that the browser will lowercase all names,
        // however since we have the attributes already on the TNode, we can preserve the case by going
        // through them once, adding them to the `attributes` map and putting their lower-cased name
        // into an array. Afterwards when we're going through the native DOM attributes, we can check
        // whether we haven't run into an attribute already through the TNode.
        if (tNodeAttrs) {
            let i = 0;
            while (i < tNodeAttrs.length) {
                const attrName = tNodeAttrs[i];
                // Stop as soon as we hit a marker. We only care about the regular attributes. Everything
                // else will be handled below when we read the final attributes off the DOM.
                if (typeof attrName !== 'string')
                    break;
                const attrValue = tNodeAttrs[i + 1];
                attributes[attrName] = attrValue;
                lowercaseTNodeAttrs.push(attrName.toLowerCase());
                i += 2;
            }
        }
        const eAttrs = element.attributes;
        for (let i = 0; i < eAttrs.length; i++) {
            const attr = eAttrs[i];
            const lowercaseName = attr.name.toLowerCase();
            // Make sure that we don't assign the same attribute both in its
            // case-sensitive form and the lower-cased one from the browser.
            if (lowercaseTNodeAttrs.indexOf(lowercaseName) === -1) {
                // Save the lowercase name to align the behavior between browsers.
                // IE preserves the case, while all other browser convert it to lower case.
                attributes[lowercaseName] = attr.value;
            }
        }
        return attributes;
    }
    get styles() {
        if (this.nativeElement && this.nativeElement.style) {
            return this.nativeElement.style;
        }
        return {};
    }
    get classes() {
        const result = {};
        const element = this.nativeElement;
        // SVG elements return an `SVGAnimatedString` instead of a plain string for the `className`.
        const className = element.className;
        const classes = className && typeof className !== 'string' ? className.baseVal.split(' ') :
            className.split(' ');
        classes.forEach((value) => result[value] = true);
        return result;
    }
    get childNodes() {
        const childNodes = this.nativeNode.childNodes;
        const children = [];
        for (let i = 0; i < childNodes.length; i++) {
            const element = childNodes[i];
            children.push(getDebugNode__POST_R3__(element));
        }
        return children;
    }
    get children() {
        const nativeElement = this.nativeElement;
        if (!nativeElement)
            return [];
        const childNodes = nativeElement.children;
        const children = [];
        for (let i = 0; i < childNodes.length; i++) {
            const element = childNodes[i];
            children.push(getDebugNode__POST_R3__(element));
        }
        return children;
    }
    query(predicate) {
        const results = this.queryAll(predicate);
        return results[0] || null;
    }
    queryAll(predicate) {
        const matches = [];
        _queryAllR3(this, predicate, matches, true);
        return matches;
    }
    queryAllNodes(predicate) {
        const matches = [];
        _queryAllR3(this, predicate, matches, false);
        return matches;
    }
    triggerEventHandler(eventName, eventObj) {
        const node = this.nativeNode;
        const invokedListeners = [];
        this.listeners.forEach(listener => {
            if (listener.name === eventName) {
                const callback = listener.callback;
                callback.call(node, eventObj);
                invokedListeners.push(callback);
            }
        });
        // We need to check whether `eventListeners` exists, because it's something
        // that Zone.js only adds to `EventTarget` in browser environments.
        if (typeof node.eventListeners === 'function') {
            // Note that in Ivy we wrap event listeners with a call to `event.preventDefault` in some
            // cases. We use '__ngUnwrap__' as a special token that gives us access to the actual event
            // listener.
            node.eventListeners(eventName).forEach((listener) => {
                // In order to ensure that we can detect the special __ngUnwrap__ token described above, we
                // use `toString` on the listener and see if it contains the token. We use this approach to
                // ensure that it still worked with compiled code since it cannot remove or rename string
                // literals. We also considered using a special function name (i.e. if(listener.name ===
                // special)) but that was more cumbersome and we were also concerned the compiled code could
                // strip the name, turning the condition in to ("" === "") and always returning true.
                if (listener.toString().indexOf('__ngUnwrap__') !== -1) {
                    const unwrappedListener = listener('__ngUnwrap__');
                    return invokedListeners.indexOf(unwrappedListener) === -1 &&
                        unwrappedListener.call(node, eventObj);
                }
            });
        }
    }
}
function copyDomProperties(element, properties) {
    if (element) {
        // Skip own properties (as those are patched)
        let obj = Object.getPrototypeOf(element);
        const NodePrototype = Node.prototype;
        while (obj !== null && obj !== NodePrototype) {
            const descriptors = Object.getOwnPropertyDescriptors(obj);
            for (let key in descriptors) {
                if (!key.startsWith('__') && !key.startsWith('on')) {
                    // don't include properties starting with `__` and `on`.
                    // `__` are patched values which should not be included.
                    // `on` are listeners which also should not be included.
                    const value = element[key];
                    if (isPrimitiveValue(value)) {
                        properties[key] = value;
                    }
                }
            }
            obj = Object.getPrototypeOf(obj);
        }
    }
}
function isPrimitiveValue(value) {
    return typeof value === 'string' || typeof value === 'boolean' || typeof value === 'number' ||
        value === null;
}
function _queryAllR3(parentElement, predicate, matches, elementsOnly) {
    const context = getLContext(parentElement.nativeNode);
    if (context !== null) {
        const parentTNode = context.lView[TVIEW].data[context.nodeIndex];
        _queryNodeChildrenR3(parentTNode, context.lView, predicate, matches, elementsOnly, parentElement.nativeNode);
    }
    else {
        // If the context is null, then `parentElement` was either created with Renderer2 or native DOM
        // APIs.
        _queryNativeNodeDescendants(parentElement.nativeNode, predicate, matches, elementsOnly);
    }
}
/**
 * Recursively match the current TNode against the predicate, and goes on with the next ones.
 *
 * @param tNode the current TNode
 * @param lView the LView of this TNode
 * @param predicate the predicate to match
 * @param matches the list of positive matches
 * @param elementsOnly whether only elements should be searched
 * @param rootNativeNode the root native node on which predicate should not be matched
 */
function _queryNodeChildrenR3(tNode, lView, predicate, matches, elementsOnly, rootNativeNode) {
    ngDevMode && assertTNodeForLView(tNode, lView);
    const nativeNode = getNativeByTNodeOrNull(tNode, lView);
    // For each type of TNode, specific logic is executed.
    if (tNode.type & (3 /* AnyRNode */ | 8 /* ElementContainer */)) {
        // Case 1: the TNode is an element
        // The native node has to be checked.
        _addQueryMatchR3(nativeNode, predicate, matches, elementsOnly, rootNativeNode);
        if (isComponentHost(tNode)) {
            // If the element is the host of a component, then all nodes in its view have to be processed.
            // Note: the component's content (tNode.child) will be processed from the insertion points.
            const componentView = getComponentLViewByIndex(tNode.index, lView);
            if (componentView && componentView[TVIEW].firstChild) {
                _queryNodeChildrenR3(componentView[TVIEW].firstChild, componentView, predicate, matches, elementsOnly, rootNativeNode);
            }
        }
        else {
            if (tNode.child) {
                // Otherwise, its children have to be processed.
                _queryNodeChildrenR3(tNode.child, lView, predicate, matches, elementsOnly, rootNativeNode);
            }
            // We also have to query the DOM directly in order to catch elements inserted through
            // Renderer2. Note that this is __not__ optimal, because we're walking similar trees multiple
            // times. ViewEngine could do it more efficiently, because all the insertions go through
            // Renderer2, however that's not the case in Ivy. This approach is being used because:
            // 1. Matching the ViewEngine behavior would mean potentially introducing a depedency
            //    from `Renderer2` to Ivy which could bring Ivy code into ViewEngine.
            // 2. We would have to make `Renderer3` "know" about debug nodes.
            // 3. It allows us to capture nodes that were inserted directly via the DOM.
            nativeNode && _queryNativeNodeDescendants(nativeNode, predicate, matches, elementsOnly);
        }
        // In all cases, if a dynamic container exists for this node, each view inside it has to be
        // processed.
        const nodeOrContainer = lView[tNode.index];
        if (isLContainer(nodeOrContainer)) {
            _queryNodeChildrenInContainerR3(nodeOrContainer, predicate, matches, elementsOnly, rootNativeNode);
        }
    }
    else if (tNode.type & 4 /* Container */) {
        // Case 2: the TNode is a container
        // The native node has to be checked.
        const lContainer = lView[tNode.index];
        _addQueryMatchR3(lContainer[NATIVE], predicate, matches, elementsOnly, rootNativeNode);
        // Each view inside the container has to be processed.
        _queryNodeChildrenInContainerR3(lContainer, predicate, matches, elementsOnly, rootNativeNode);
    }
    else if (tNode.type & 16 /* Projection */) {
        // Case 3: the TNode is a projection insertion point (i.e. a <ng-content>).
        // The nodes projected at this location all need to be processed.
        const componentView = lView[DECLARATION_COMPONENT_VIEW];
        const componentHost = componentView[T_HOST];
        const head = componentHost.projection[tNode.projection];
        if (Array.isArray(head)) {
            for (let nativeNode of head) {
                _addQueryMatchR3(nativeNode, predicate, matches, elementsOnly, rootNativeNode);
            }
        }
        else if (head) {
            const nextLView = componentView[PARENT];
            const nextTNode = nextLView[TVIEW].data[head.index];
            _queryNodeChildrenR3(nextTNode, nextLView, predicate, matches, elementsOnly, rootNativeNode);
        }
    }
    else if (tNode.child) {
        // Case 4: the TNode is a view.
        _queryNodeChildrenR3(tNode.child, lView, predicate, matches, elementsOnly, rootNativeNode);
    }
    // We don't want to go to the next sibling of the root node.
    if (rootNativeNode !== nativeNode) {
        // To determine the next node to be processed, we need to use the next or the projectionNext
        // link, depending on whether the current node has been projected.
        const nextTNode = (tNode.flags & 4 /* isProjected */) ? tNode.projectionNext : tNode.next;
        if (nextTNode) {
            _queryNodeChildrenR3(nextTNode, lView, predicate, matches, elementsOnly, rootNativeNode);
        }
    }
}
/**
 * Process all TNodes in a given container.
 *
 * @param lContainer the container to be processed
 * @param predicate the predicate to match
 * @param matches the list of positive matches
 * @param elementsOnly whether only elements should be searched
 * @param rootNativeNode the root native node on which predicate should not be matched
 */
function _queryNodeChildrenInContainerR3(lContainer, predicate, matches, elementsOnly, rootNativeNode) {
    for (let i = CONTAINER_HEADER_OFFSET; i < lContainer.length; i++) {
        const childView = lContainer[i];
        const firstChild = childView[TVIEW].firstChild;
        if (firstChild) {
            _queryNodeChildrenR3(firstChild, childView, predicate, matches, elementsOnly, rootNativeNode);
        }
    }
}
/**
 * Match the current native node against the predicate.
 *
 * @param nativeNode the current native node
 * @param predicate the predicate to match
 * @param matches the list of positive matches
 * @param elementsOnly whether only elements should be searched
 * @param rootNativeNode the root native node on which predicate should not be matched
 */
function _addQueryMatchR3(nativeNode, predicate, matches, elementsOnly, rootNativeNode) {
    if (rootNativeNode !== nativeNode) {
        const debugNode = getDebugNode$1(nativeNode);
        if (!debugNode) {
            return;
        }
        // Type of the "predicate and "matches" array are set based on the value of
        // the "elementsOnly" parameter. TypeScript is not able to properly infer these
        // types with generics, so we manually cast the parameters accordingly.
        if (elementsOnly && debugNode instanceof DebugElement__POST_R3__ && predicate(debugNode) &&
            matches.indexOf(debugNode) === -1) {
            matches.push(debugNode);
        }
        else if (!elementsOnly && predicate(debugNode) &&
            matches.indexOf(debugNode) === -1) {
            matches.push(debugNode);
        }
    }
}
/**
 * Match all the descendants of a DOM node against a predicate.
 *
 * @param nativeNode the current native node
 * @param predicate the predicate to match
 * @param matches the list where matches are stored
 * @param elementsOnly whether only elements should be searched
 */
function _queryNativeNodeDescendants(parentNode, predicate, matches, elementsOnly) {
    const nodes = parentNode.childNodes;
    const length = nodes.length;
    for (let i = 0; i < length; i++) {
        const node = nodes[i];
        const debugNode = getDebugNode$1(node);
        if (debugNode) {
            if (elementsOnly && debugNode instanceof DebugElement__POST_R3__ && predicate(debugNode) &&
                matches.indexOf(debugNode) === -1) {
                matches.push(debugNode);
            }
            else if (!elementsOnly && predicate(debugNode) &&
                matches.indexOf(debugNode) === -1) {
                matches.push(debugNode);
            }
            _queryNativeNodeDescendants(node, predicate, matches, elementsOnly);
        }
    }
}
/**
 * Iterates through the property bindings for a given node and generates
 * a map of property names to values. This map only contains property bindings
 * defined in templates, not in host bindings.
 */
function collectPropertyBindings(properties, tNode, lView, tData) {
    let bindingIndexes = tNode.propertyBindings;
    if (bindingIndexes !== null) {
        for (let i = 0; i < bindingIndexes.length; i++) {
            const bindingIndex = bindingIndexes[i];
            const propMetadata = tData[bindingIndex];
            const metadataParts = propMetadata.split(INTERPOLATION_DELIMITER);
            const propertyName = metadataParts[0];
            if (metadataParts.length > 1) {
                let value = metadataParts[1];
                for (let j = 1; j < metadataParts.length - 1; j++) {
                    value += renderStringify(lView[bindingIndex + j - 1]) + metadataParts[j + 1];
                }
                properties[propertyName] = value;
            }
            else {
                properties[propertyName] = lView[bindingIndex];
            }
        }
    }
}
// Need to keep the nodes in a global Map so that multiple angular apps are supported.
const _nativeNodeToDebugNode = new Map();
function getDebugNode__PRE_R3__(nativeNode) {
    return _nativeNodeToDebugNode.get(nativeNode) || null;
}
const NG_DEBUG_PROPERTY = '__ng_debug__';
function getDebugNode__POST_R3__(nativeNode) {
    if (nativeNode instanceof Node) {
        if (!(nativeNode.hasOwnProperty(NG_DEBUG_PROPERTY))) {
            nativeNode[NG_DEBUG_PROPERTY] = nativeNode.nodeType == Node.ELEMENT_NODE ?
                new DebugElement__POST_R3__(nativeNode) :
                new DebugNode__POST_R3__(nativeNode);
        }
        return nativeNode[NG_DEBUG_PROPERTY];
    }
    return null;
}
/**
 * @publicApi
 */
const getDebugNode$1 = getDebugNode__POST_R3__;
function getDebugNodeR2__PRE_R3__(nativeNode) {
    return getDebugNode__PRE_R3__(nativeNode);
}
function getDebugNodeR2__POST_R3__(_nativeNode) {
    return null;
}
const getDebugNodeR2 = getDebugNodeR2__POST_R3__;
function getAllDebugNodes() {
    return Array.from(_nativeNodeToDebugNode.values());
}
function indexDebugNode(node) {
    _nativeNodeToDebugNode.set(node.nativeNode, node);
}
function removeDebugNodeFromIndex(node) {
    _nativeNodeToDebugNode.delete(node.nativeNode);
}
/**
 * @publicApi
 */
const DebugNode = DebugNode__POST_R3__;
/**
 * @publicApi
 */
const DebugElement = DebugElement__POST_R3__;

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
const _CORE_PLATFORM_PROVIDERS = [
    // Set a default platform name for platforms that don't set it explicitly.
    { provide: PLATFORM_ID, useValue: 'unknown' },
    { provide: PlatformRef, deps: [Injector] },
    { provide: TestabilityRegistry, deps: [] },
    { provide: Console, deps: [] },
];
/**
 * This platform has to be included in any other platform
 *
 * @publicApi
 */
const platformCore = createPlatformFactory(null, 'core', _CORE_PLATFORM_PROVIDERS);

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
function _iterableDiffersFactory() {
    return defaultIterableDiffers;
}
function _keyValueDiffersFactory() {
    return defaultKeyValueDiffers;
}
function _localeFactory(locale) {
    locale = locale || getGlobalLocale();
    if (ivyEnabled) {
        setLocaleId(locale);
    }
    return locale;
}
/**
 * Work out the locale from the potential global properties.
 *
 * * Closure Compiler: use `goog.LOCALE`.
 * * Ivy enabled: use `$localize.locale`
 */
function getGlobalLocale() {
    if (typeof ngI18nClosureMode !== 'undefined' && ngI18nClosureMode &&
        typeof goog !== 'undefined' && goog.LOCALE !== 'en') {
        // * The default `goog.LOCALE` value is `en`, while Angular used `en-US`.
        // * In order to preserve backwards compatibility, we use Angular default value over
        //   Closure Compiler's one.
        return goog.LOCALE;
    }
    else {
        // KEEP `typeof $localize !== 'undefined' && $localize.locale` IN SYNC WITH THE LOCALIZE
        // COMPILE-TIME INLINER.
        //
        // * During compile time inlining of translations the expression will be replaced
        //   with a string literal that is the current locale. Other forms of this expression are not
        //   guaranteed to be replaced.
        //
        // * During runtime translation evaluation, the developer is required to set `$localize.locale`
        //   if required, or just to provide their own `LOCALE_ID` provider.
        return (ivyEnabled && typeof $localize !== 'undefined' && $localize.locale) ||
            DEFAULT_LOCALE_ID;
    }
}
const ɵ0$f = USD_CURRENCY_CODE;
/**
 * A built-in [dependency injection token](guide/glossary#di-token)
 * that is used to configure the root injector for bootstrapping.
 */
const APPLICATION_MODULE_PROVIDERS = [
    {
        provide: ApplicationRef,
        useClass: ApplicationRef,
        deps: [NgZone, Injector, ErrorHandler, ComponentFactoryResolver, ApplicationInitStatus]
    },
    { provide: SCHEDULER, deps: [NgZone], useFactory: zoneSchedulerFactory },
    {
        provide: ApplicationInitStatus,
        useClass: ApplicationInitStatus,
        deps: [[new Optional(), APP_INITIALIZER]]
    },
    { provide: Compiler, useClass: Compiler, deps: [] },
    APP_ID_RANDOM_PROVIDER,
    { provide: IterableDiffers, useFactory: _iterableDiffersFactory, deps: [] },
    { provide: KeyValueDiffers, useFactory: _keyValueDiffersFactory, deps: [] },
    {
        provide: LOCALE_ID$1,
        useFactory: _localeFactory,
        deps: [[new Inject(LOCALE_ID$1), new Optional(), new SkipSelf()]]
    },
    { provide: DEFAULT_CURRENCY_CODE, useValue: ɵ0$f },
];
/**
 * Schedule work at next available slot.
 *
 * In Ivy this is just `requestAnimationFrame`. For compatibility reasons when bootstrapped
 * using `platformRef.bootstrap` we need to use `NgZone.onStable` as the scheduling mechanism.
 * This overrides the scheduling mechanism in Ivy to `NgZone.onStable`.
 *
 * @param ngZone NgZone to use for scheduling.
 */
function zoneSchedulerFactory(ngZone) {
    let queue = [];
    ngZone.onStable.subscribe(() => {
        while (queue.length) {
            queue.pop()();
        }
    });
    return function (fn) {
        queue.push(fn);
    };
}
/**
 * Configures the root injector for an app with
 * providers of `@angular/core` dependencies that `ApplicationRef` needs
 * to bootstrap components.
 *
 * Re-exported by `BrowserModule`, which is included automatically in the root
 * `AppModule` when you create a new app with the CLI `new` command.
 *
 * @publicApi
 */
class ApplicationModule {
    // Inject ApplicationRef to make it eager...
    constructor(appRef) { }
}
ApplicationModule.ɵfac = function ApplicationModule_Factory(t) { return new (t || ApplicationModule)(ɵɵinject(ApplicationRef)); };
ApplicationModule.ɵmod = /*@__PURE__*/ ɵɵdefineNgModule({ type: ApplicationModule });
ApplicationModule.ɵinj = /*@__PURE__*/ ɵɵdefineInjector({ providers: APPLICATION_MODULE_PROVIDERS });
ApplicationModule.ctorParameters = () => [
    { type: ApplicationRef }
];
(function () { (typeof ngDevMode === "undefined" || ngDevMode) && setClassMetadata(ApplicationModule, [{
        type: NgModule,
        args: [{ providers: APPLICATION_MODULE_PROVIDERS }]
    }], function () { return [{ type: ApplicationRef }]; }, null); })();

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
function anchorDef(flags, matchedQueriesDsl, ngContentIndex, childCount, handleEvent, templateFactory) {
    flags |= 1 /* TypeElement */;
    const { matchedQueries, references, matchedQueryIds } = splitMatchedQueriesDsl(matchedQueriesDsl);
    const template = templateFactory ? resolveDefinition(templateFactory) : null;
    return {
        // will bet set by the view definition
        nodeIndex: -1,
        parent: null,
        renderParent: null,
        bindingIndex: -1,
        outputIndex: -1,
        // regular values
        flags,
        checkIndex: -1,
        childFlags: 0,
        directChildFlags: 0,
        childMatchedQueries: 0,
        matchedQueries,
        matchedQueryIds,
        references,
        ngContentIndex,
        childCount,
        bindings: [],
        bindingFlags: 0,
        outputs: [],
        element: {
            ns: null,
            name: null,
            attrs: null,
            template,
            componentProvider: null,
            componentView: null,
            componentRendererType: null,
            publicProviders: null,
            allProviders: null,
            handleEvent: handleEvent || NOOP
        },
        provider: null,
        text: null,
        query: null,
        ngContent: null
    };
}
function elementDef(checkIndex, flags, matchedQueriesDsl, ngContentIndex, childCount, namespaceAndName, fixedAttrs = [], bindings, outputs, handleEvent, componentView, componentRendererType) {
    if (!handleEvent) {
        handleEvent = NOOP;
    }
    const { matchedQueries, references, matchedQueryIds } = splitMatchedQueriesDsl(matchedQueriesDsl);
    let ns = null;
    let name = null;
    if (namespaceAndName) {
        [ns, name] = splitNamespace(namespaceAndName);
    }
    bindings = bindings || [];
    const bindingDefs = [];
    for (let i = 0; i < bindings.length; i++) {
        const [bindingFlags, namespaceAndName, suffixOrSecurityContext] = bindings[i];
        const [ns, name] = splitNamespace(namespaceAndName);
        let securityContext = undefined;
        let suffix = undefined;
        switch (bindingFlags & 15 /* Types */) {
            case 4 /* TypeElementStyle */:
                suffix = suffixOrSecurityContext;
                break;
            case 1 /* TypeElementAttribute */:
            case 8 /* TypeProperty */:
                securityContext = suffixOrSecurityContext;
                break;
        }
        bindingDefs[i] =
            { flags: bindingFlags, ns, name, nonMinifiedName: name, securityContext, suffix };
    }
    outputs = outputs || [];
    const outputDefs = [];
    for (let i = 0; i < outputs.length; i++) {
        const [target, eventName] = outputs[i];
        outputDefs[i] =
            { type: 0 /* ElementOutput */, target: target, eventName, propName: null };
    }
    fixedAttrs = fixedAttrs || [];
    const attrs = fixedAttrs.map(([namespaceAndName, value]) => {
        const [ns, name] = splitNamespace(namespaceAndName);
        return [ns, name, value];
    });
    componentRendererType = resolveRendererType2(componentRendererType);
    if (componentView) {
        flags |= 33554432 /* ComponentView */;
    }
    flags |= 1 /* TypeElement */;
    return {
        // will bet set by the view definition
        nodeIndex: -1,
        parent: null,
        renderParent: null,
        bindingIndex: -1,
        outputIndex: -1,
        // regular values
        checkIndex,
        flags,
        childFlags: 0,
        directChildFlags: 0,
        childMatchedQueries: 0,
        matchedQueries,
        matchedQueryIds,
        references,
        ngContentIndex,
        childCount,
        bindings: bindingDefs,
        bindingFlags: calcBindingFlags(bindingDefs),
        outputs: outputDefs,
        element: {
            ns,
            name,
            attrs,
            template: null,
            // will bet set by the view definition
            componentProvider: null,
            componentView: componentView || null,
            componentRendererType: componentRendererType,
            publicProviders: null,
            allProviders: null,
            handleEvent: handleEvent || NOOP,
        },
        provider: null,
        text: null,
        query: null,
        ngContent: null
    };
}
function createElement(view, renderHost, def) {
    const elDef = def.element;
    const rootSelectorOrNode = view.root.selectorOrNode;
    const renderer = view.renderer;
    let el;
    if (view.parent || !rootSelectorOrNode) {
        if (elDef.name) {
            el = renderer.createElement(elDef.name, elDef.ns);
        }
        else {
            el = renderer.createComment('');
        }
        const parentEl = getParentRenderElement(view, renderHost, def);
        if (parentEl) {
            renderer.appendChild(parentEl, el);
        }
    }
    else {
        // when using native Shadow DOM, do not clear the root element contents to allow slot projection
        const preserveContent = (!!elDef.componentRendererType &&
            elDef.componentRendererType.encapsulation === ViewEncapsulation.ShadowDom);
        el = renderer.selectRootElement(rootSelectorOrNode, preserveContent);
    }
    if (elDef.attrs) {
        for (let i = 0; i < elDef.attrs.length; i++) {
            const [ns, name, value] = elDef.attrs[i];
            renderer.setAttribute(el, name, value, ns);
        }
    }
    return el;
}
function listenToElementOutputs(view, compView, def, el) {
    for (let i = 0; i < def.outputs.length; i++) {
        const output = def.outputs[i];
        const handleEventClosure = renderEventHandlerClosure(view, def.nodeIndex, elementEventFullName(output.target, output.eventName));
        let listenTarget = output.target;
        let listenerView = view;
        if (output.target === 'component') {
            listenTarget = null;
            listenerView = compView;
        }
        const disposable = listenerView.renderer.listen(listenTarget || el, output.eventName, handleEventClosure);
        view.disposables[def.outputIndex + i] = disposable;
    }
}
function renderEventHandlerClosure(view, index, eventName) {
    return (event) => dispatchEvent(view, index, eventName, event);
}
function checkAndUpdateElementInline(view, def, v0, v1, v2, v3, v4, v5, v6, v7, v8, v9) {
    const bindLen = def.bindings.length;
    let changed = false;
    if (bindLen > 0 && checkAndUpdateElementValue(view, def, 0, v0))
        changed = true;
    if (bindLen > 1 && checkAndUpdateElementValue(view, def, 1, v1))
        changed = true;
    if (bindLen > 2 && checkAndUpdateElementValue(view, def, 2, v2))
        changed = true;
    if (bindLen > 3 && checkAndUpdateElementValue(view, def, 3, v3))
        changed = true;
    if (bindLen > 4 && checkAndUpdateElementValue(view, def, 4, v4))
        changed = true;
    if (bindLen > 5 && checkAndUpdateElementValue(view, def, 5, v5))
        changed = true;
    if (bindLen > 6 && checkAndUpdateElementValue(view, def, 6, v6))
        changed = true;
    if (bindLen > 7 && checkAndUpdateElementValue(view, def, 7, v7))
        changed = true;
    if (bindLen > 8 && checkAndUpdateElementValue(view, def, 8, v8))
        changed = true;
    if (bindLen > 9 && checkAndUpdateElementValue(view, def, 9, v9))
        changed = true;
    return changed;
}
function checkAndUpdateElementDynamic(view, def, values) {
    let changed = false;
    for (let i = 0; i < values.length; i++) {
        if (checkAndUpdateElementValue(view, def, i, values[i]))
            changed = true;
    }
    return changed;
}
function checkAndUpdateElementValue(view, def, bindingIdx, value) {
    if (!checkAndUpdateBinding(view, def, bindingIdx, value)) {
        return false;
    }
    const binding = def.bindings[bindingIdx];
    const elData = asElementData(view, def.nodeIndex);
    const renderNode = elData.renderElement;
    const name = binding.name;
    switch (binding.flags & 15 /* Types */) {
        case 1 /* TypeElementAttribute */:
            setElementAttribute$1(view, binding, renderNode, binding.ns, name, value);
            break;
        case 2 /* TypeElementClass */:
            setElementClass(view, renderNode, name, value);
            break;
        case 4 /* TypeElementStyle */:
            setElementStyle(view, binding, renderNode, name, value);
            break;
        case 8 /* TypeProperty */:
            const bindView = (def.flags & 33554432 /* ComponentView */ &&
                binding.flags & 32 /* SyntheticHostProperty */) ?
                elData.componentView :
                view;
            setElementProperty(bindView, binding, renderNode, name, value);
            break;
    }
    return true;
}
function setElementAttribute$1(view, binding, renderNode, ns, name, value) {
    const securityContext = binding.securityContext;
    let renderValue = securityContext ? view.root.sanitizer.sanitize(securityContext, value) : value;
    renderValue = renderValue != null ? renderValue.toString() : null;
    const renderer = view.renderer;
    if (value != null) {
        renderer.setAttribute(renderNode, name, renderValue, ns);
    }
    else {
        renderer.removeAttribute(renderNode, name, ns);
    }
}
function setElementClass(view, renderNode, name, value) {
    const renderer = view.renderer;
    if (value) {
        renderer.addClass(renderNode, name);
    }
    else {
        renderer.removeClass(renderNode, name);
    }
}
function setElementStyle(view, binding, renderNode, name, value) {
    let renderValue = view.root.sanitizer.sanitize(SecurityContext.STYLE, value);
    if (renderValue != null) {
        renderValue = renderValue.toString();
        const unit = binding.suffix;
        if (unit != null) {
            renderValue = renderValue + unit;
        }
    }
    else {
        renderValue = null;
    }
    const renderer = view.renderer;
    if (renderValue != null) {
        renderer.setStyle(renderNode, name, renderValue);
    }
    else {
        renderer.removeStyle(renderNode, name);
    }
}
function setElementProperty(view, binding, renderNode, name, value) {
    const securityContext = binding.securityContext;
    let renderValue = securityContext ? view.root.sanitizer.sanitize(securityContext, value) : value;
    view.renderer.setProperty(renderNode, name, renderValue);
}

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
function queryDef(flags, id, bindings) {
    let bindingDefs = [];
    for (let propName in bindings) {
        const bindingType = bindings[propName];
        bindingDefs.push({ propName, bindingType });
    }
    return {
        // will bet set by the view definition
        nodeIndex: -1,
        parent: null,
        renderParent: null,
        bindingIndex: -1,
        outputIndex: -1,
        // regular values
        // TODO(vicb): check
        checkIndex: -1,
        flags,
        childFlags: 0,
        directChildFlags: 0,
        childMatchedQueries: 0,
        ngContentIndex: -1,
        matchedQueries: {},
        matchedQueryIds: 0,
        references: {},
        childCount: 0,
        bindings: [],
        bindingFlags: 0,
        outputs: [],
        element: null,
        provider: null,
        text: null,
        query: { id, filterId: filterQueryId(id), bindings: bindingDefs },
        ngContent: null
    };
}
function createQuery(emitDistinctChangesOnly) {
    return new QueryList(emitDistinctChangesOnly);
}
function dirtyParentQueries(view) {
    const queryIds = view.def.nodeMatchedQueries;
    while (view.parent && isEmbeddedView(view)) {
        let tplDef = view.parentNodeDef;
        view = view.parent;
        // content queries
        const end = tplDef.nodeIndex + tplDef.childCount;
        for (let i = 0; i <= end; i++) {
            const nodeDef = view.def.nodes[i];
            if ((nodeDef.flags & 67108864 /* TypeContentQuery */) &&
                (nodeDef.flags & 536870912 /* DynamicQuery */) &&
                (nodeDef.query.filterId & queryIds) === nodeDef.query.filterId) {
                asQueryList(view, i).setDirty();
            }
            if ((nodeDef.flags & 1 /* TypeElement */ && i + nodeDef.childCount < tplDef.nodeIndex) ||
                !(nodeDef.childFlags & 67108864 /* TypeContentQuery */) ||
                !(nodeDef.childFlags & 536870912 /* DynamicQuery */)) {
                // skip elements that don't contain the template element or no query.
                i += nodeDef.childCount;
            }
        }
    }
    // view queries
    if (view.def.nodeFlags & 134217728 /* TypeViewQuery */) {
        for (let i = 0; i < view.def.nodes.length; i++) {
            const nodeDef = view.def.nodes[i];
            if ((nodeDef.flags & 134217728 /* TypeViewQuery */) && (nodeDef.flags & 536870912 /* DynamicQuery */)) {
                asQueryList(view, i).setDirty();
            }
            // only visit the root nodes
            i += nodeDef.childCount;
        }
    }
}
function checkAndUpdateQuery(view, nodeDef) {
    const queryList = asQueryList(view, nodeDef.nodeIndex);
    if (!queryList.dirty) {
        return;
    }
    let directiveInstance;
    let newValues = undefined;
    if (nodeDef.flags & 67108864 /* TypeContentQuery */) {
        const elementDef = nodeDef.parent.parent;
        newValues = calcQueryValues(view, elementDef.nodeIndex, elementDef.nodeIndex + elementDef.childCount, nodeDef.query, []);
        directiveInstance = asProviderData(view, nodeDef.parent.nodeIndex).instance;
    }
    else if (nodeDef.flags & 134217728 /* TypeViewQuery */) {
        newValues = calcQueryValues(view, 0, view.def.nodes.length - 1, nodeDef.query, []);
        directiveInstance = view.component;
    }
    queryList.reset(newValues, unwrapElementRef);
    const bindings = nodeDef.query.bindings;
    let notify = false;
    for (let i = 0; i < bindings.length; i++) {
        const binding = bindings[i];
        let boundValue;
        switch (binding.bindingType) {
            case 0 /* First */:
                boundValue = queryList.first;
                break;
            case 1 /* All */:
                boundValue = queryList;
                notify = true;
                break;
        }
        directiveInstance[binding.propName] = boundValue;
    }
    if (notify) {
        queryList.notifyOnChanges();
    }
}
function calcQueryValues(view, startIndex, endIndex, queryDef, values) {
    for (let i = startIndex; i <= endIndex; i++) {
        const nodeDef = view.def.nodes[i];
        const valueType = nodeDef.matchedQueries[queryDef.id];
        if (valueType != null) {
            values.push(getQueryValue(view, nodeDef, valueType));
        }
        if (nodeDef.flags & 1 /* TypeElement */ && nodeDef.element.template &&
            (nodeDef.element.template.nodeMatchedQueries & queryDef.filterId) ===
                queryDef.filterId) {
            const elementData = asElementData(view, i);
            // check embedded views that were attached at the place of their template,
            // but process child nodes first if some match the query (see issue #16568)
            if ((nodeDef.childMatchedQueries & queryDef.filterId) === queryDef.filterId) {
                calcQueryValues(view, i + 1, i + nodeDef.childCount, queryDef, values);
                i += nodeDef.childCount;
            }
            if (nodeDef.flags & 16777216 /* EmbeddedViews */) {
                const embeddedViews = elementData.viewContainer._embeddedViews;
                for (let k = 0; k < embeddedViews.length; k++) {
                    const embeddedView = embeddedViews[k];
                    const dvc = declaredViewContainer(embeddedView);
                    if (dvc && dvc === elementData) {
                        calcQueryValues(embeddedView, 0, embeddedView.def.nodes.length - 1, queryDef, values);
                    }
                }
            }
            const projectedViews = elementData.template._projectedViews;
            if (projectedViews) {
                for (let k = 0; k < projectedViews.length; k++) {
                    const projectedView = projectedViews[k];
                    calcQueryValues(projectedView, 0, projectedView.def.nodes.length - 1, queryDef, values);
                }
            }
        }
        if ((nodeDef.childMatchedQueries & queryDef.filterId) !== queryDef.filterId) {
            // if no child matches the query, skip the children.
            i += nodeDef.childCount;
        }
    }
    return values;
}
function getQueryValue(view, nodeDef, queryValueType) {
    if (queryValueType != null) {
        // a match
        switch (queryValueType) {
            case 1 /* RenderElement */:
                return asElementData(view, nodeDef.nodeIndex).renderElement;
            case 0 /* ElementRef */:
                return new ElementRef(asElementData(view, nodeDef.nodeIndex).renderElement);
            case 2 /* TemplateRef */:
                return asElementData(view, nodeDef.nodeIndex).template;
            case 3 /* ViewContainerRef */:
                return asElementData(view, nodeDef.nodeIndex).viewContainer;
            case 4 /* Provider */:
                return asProviderData(view, nodeDef.nodeIndex).instance;
        }
    }
}

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
function ngContentDef(ngContentIndex, index) {
    return {
        // will bet set by the view definition
        nodeIndex: -1,
        parent: null,
        renderParent: null,
        bindingIndex: -1,
        outputIndex: -1,
        // regular values
        checkIndex: -1,
        flags: 8 /* TypeNgContent */,
        childFlags: 0,
        directChildFlags: 0,
        childMatchedQueries: 0,
        matchedQueries: {},
        matchedQueryIds: 0,
        references: {},
        ngContentIndex,
        childCount: 0,
        bindings: [],
        bindingFlags: 0,
        outputs: [],
        element: null,
        provider: null,
        text: null,
        query: null,
        ngContent: { index }
    };
}
function appendNgContent(view, renderHost, def) {
    const parentEl = getParentRenderElement(view, renderHost, def);
    if (!parentEl) {
        // Nothing to do if there is no parent element.
        return;
    }
    const ngContentIndex = def.ngContent.index;
    visitProjectedRenderNodes(view, ngContentIndex, 1 /* AppendChild */, parentEl, null, undefined);
}

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
function purePipeDef(checkIndex, argCount) {
    // argCount + 1 to include the pipe as first arg
    return _pureExpressionDef(128 /* TypePurePipe */, checkIndex, newArray(argCount + 1));
}
function pureArrayDef(checkIndex, argCount) {
    return _pureExpressionDef(32 /* TypePureArray */, checkIndex, newArray(argCount));
}
function pureObjectDef(checkIndex, propToIndex) {
    const keys = Object.keys(propToIndex);
    const nbKeys = keys.length;
    const propertyNames = [];
    for (let i = 0; i < nbKeys; i++) {
        const key = keys[i];
        const index = propToIndex[key];
        propertyNames.push(key);
    }
    return _pureExpressionDef(64 /* TypePureObject */, checkIndex, propertyNames);
}
function _pureExpressionDef(flags, checkIndex, propertyNames) {
    const bindings = [];
    for (let i = 0; i < propertyNames.length; i++) {
        const prop = propertyNames[i];
        bindings.push({
            flags: 8 /* TypeProperty */,
            name: prop,
            ns: null,
            nonMinifiedName: prop,
            securityContext: null,
            suffix: null
        });
    }
    return {
        // will bet set by the view definition
        nodeIndex: -1,
        parent: null,
        renderParent: null,
        bindingIndex: -1,
        outputIndex: -1,
        // regular values
        checkIndex,
        flags,
        childFlags: 0,
        directChildFlags: 0,
        childMatchedQueries: 0,
        matchedQueries: {},
        matchedQueryIds: 0,
        references: {},
        ngContentIndex: -1,
        childCount: 0,
        bindings,
        bindingFlags: calcBindingFlags(bindings),
        outputs: [],
        element: null,
        provider: null,
        text: null,
        query: null,
        ngContent: null
    };
}
function createPureExpression(view, def) {
    return { value: undefined };
}
function checkAndUpdatePureExpressionInline(view, def, v0, v1, v2, v3, v4, v5, v6, v7, v8, v9) {
    const bindings = def.bindings;
    let changed = false;
    const bindLen = bindings.length;
    if (bindLen > 0 && checkAndUpdateBinding(view, def, 0, v0))
        changed = true;
    if (bindLen > 1 && checkAndUpdateBinding(view, def, 1, v1))
        changed = true;
    if (bindLen > 2 && checkAndUpdateBinding(view, def, 2, v2))
        changed = true;
    if (bindLen > 3 && checkAndUpdateBinding(view, def, 3, v3))
        changed = true;
    if (bindLen > 4 && checkAndUpdateBinding(view, def, 4, v4))
        changed = true;
    if (bindLen > 5 && checkAndUpdateBinding(view, def, 5, v5))
        changed = true;
    if (bindLen > 6 && checkAndUpdateBinding(view, def, 6, v6))
        changed = true;
    if (bindLen > 7 && checkAndUpdateBinding(view, def, 7, v7))
        changed = true;
    if (bindLen > 8 && checkAndUpdateBinding(view, def, 8, v8))
        changed = true;
    if (bindLen > 9 && checkAndUpdateBinding(view, def, 9, v9))
        changed = true;
    if (changed) {
        const data = asPureExpressionData(view, def.nodeIndex);
        let value;
        switch (def.flags & 201347067 /* Types */) {
            case 32 /* TypePureArray */:
                value = [];
                if (bindLen > 0)
                    value.push(v0);
                if (bindLen > 1)
                    value.push(v1);
                if (bindLen > 2)
                    value.push(v2);
                if (bindLen > 3)
                    value.push(v3);
                if (bindLen > 4)
                    value.push(v4);
                if (bindLen > 5)
                    value.push(v5);
                if (bindLen > 6)
                    value.push(v6);
                if (bindLen > 7)
                    value.push(v7);
                if (bindLen > 8)
                    value.push(v8);
                if (bindLen > 9)
                    value.push(v9);
                break;
            case 64 /* TypePureObject */:
                value = {};
                if (bindLen > 0)
                    value[bindings[0].name] = v0;
                if (bindLen > 1)
                    value[bindings[1].name] = v1;
                if (bindLen > 2)
                    value[bindings[2].name] = v2;
                if (bindLen > 3)
                    value[bindings[3].name] = v3;
                if (bindLen > 4)
                    value[bindings[4].name] = v4;
                if (bindLen > 5)
                    value[bindings[5].name] = v5;
                if (bindLen > 6)
                    value[bindings[6].name] = v6;
                if (bindLen > 7)
                    value[bindings[7].name] = v7;
                if (bindLen > 8)
                    value[bindings[8].name] = v8;
                if (bindLen > 9)
                    value[bindings[9].name] = v9;
                break;
            case 128 /* TypePurePipe */:
                const pipe = v0;
                switch (bindLen) {
                    case 1:
                        value = pipe.transform(v0);
                        break;
                    case 2:
                        value = pipe.transform(v1);
                        break;
                    case 3:
                        value = pipe.transform(v1, v2);
                        break;
                    case 4:
                        value = pipe.transform(v1, v2, v3);
                        break;
                    case 5:
                        value = pipe.transform(v1, v2, v3, v4);
                        break;
                    case 6:
                        value = pipe.transform(v1, v2, v3, v4, v5);
                        break;
                    case 7:
                        value = pipe.transform(v1, v2, v3, v4, v5, v6);
                        break;
                    case 8:
                        value = pipe.transform(v1, v2, v3, v4, v5, v6, v7);
                        break;
                    case 9:
                        value = pipe.transform(v1, v2, v3, v4, v5, v6, v7, v8);
                        break;
                    case 10:
                        value = pipe.transform(v1, v2, v3, v4, v5, v6, v7, v8, v9);
                        break;
                }
                break;
        }
        data.value = value;
    }
    return changed;
}
function checkAndUpdatePureExpressionDynamic(view, def, values) {
    const bindings = def.bindings;
    let changed = false;
    for (let i = 0; i < values.length; i++) {
        // Note: We need to loop over all values, so that
        // the old values are updates as well!
        if (checkAndUpdateBinding(view, def, i, values[i])) {
            changed = true;
        }
    }
    if (changed) {
        const data = asPureExpressionData(view, def.nodeIndex);
        let value;
        switch (def.flags & 201347067 /* Types */) {
            case 32 /* TypePureArray */:
                value = values;
                break;
            case 64 /* TypePureObject */:
                value = {};
                for (let i = 0; i < values.length; i++) {
                    value[bindings[i].name] = values[i];
                }
                break;
            case 128 /* TypePurePipe */:
                const pipe = values[0];
                const params = values.slice(1);
                value = pipe.transform(...params);
                break;
        }
        data.value = value;
    }
    return changed;
}

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
function textDef(checkIndex, ngContentIndex, staticText) {
    const bindings = [];
    for (let i = 1; i < staticText.length; i++) {
        bindings[i - 1] = {
            flags: 8 /* TypeProperty */,
            name: null,
            ns: null,
            nonMinifiedName: null,
            securityContext: null,
            suffix: staticText[i],
        };
    }
    return {
        // will bet set by the view definition
        nodeIndex: -1,
        parent: null,
        renderParent: null,
        bindingIndex: -1,
        outputIndex: -1,
        // regular values
        checkIndex,
        flags: 2 /* TypeText */,
        childFlags: 0,
        directChildFlags: 0,
        childMatchedQueries: 0,
        matchedQueries: {},
        matchedQueryIds: 0,
        references: {},
        ngContentIndex,
        childCount: 0,
        bindings,
        bindingFlags: 8 /* TypeProperty */,
        outputs: [],
        element: null,
        provider: null,
        text: { prefix: staticText[0] },
        query: null,
        ngContent: null,
    };
}
function createText(view, renderHost, def) {
    let renderNode;
    const renderer = view.renderer;
    renderNode = renderer.createText(def.text.prefix);
    const parentEl = getParentRenderElement(view, renderHost, def);
    if (parentEl) {
        renderer.appendChild(parentEl, renderNode);
    }
    return { renderText: renderNode };
}
function checkAndUpdateTextInline(view, def, v0, v1, v2, v3, v4, v5, v6, v7, v8, v9) {
    let changed = false;
    const bindings = def.bindings;
    const bindLen = bindings.length;
    if (bindLen > 0 && checkAndUpdateBinding(view, def, 0, v0))
        changed = true;
    if (bindLen > 1 && checkAndUpdateBinding(view, def, 1, v1))
        changed = true;
    if (bindLen > 2 && checkAndUpdateBinding(view, def, 2, v2))
        changed = true;
    if (bindLen > 3 && checkAndUpdateBinding(view, def, 3, v3))
        changed = true;
    if (bindLen > 4 && checkAndUpdateBinding(view, def, 4, v4))
        changed = true;
    if (bindLen > 5 && checkAndUpdateBinding(view, def, 5, v5))
        changed = true;
    if (bindLen > 6 && checkAndUpdateBinding(view, def, 6, v6))
        changed = true;
    if (bindLen > 7 && checkAndUpdateBinding(view, def, 7, v7))
        changed = true;
    if (bindLen > 8 && checkAndUpdateBinding(view, def, 8, v8))
        changed = true;
    if (bindLen > 9 && checkAndUpdateBinding(view, def, 9, v9))
        changed = true;
    if (changed) {
        let value = def.text.prefix;
        if (bindLen > 0)
            value += _addInterpolationPart(v0, bindings[0]);
        if (bindLen > 1)
            value += _addInterpolationPart(v1, bindings[1]);
        if (bindLen > 2)
            value += _addInterpolationPart(v2, bindings[2]);
        if (bindLen > 3)
            value += _addInterpolationPart(v3, bindings[3]);
        if (bindLen > 4)
            value += _addInterpolationPart(v4, bindings[4]);
        if (bindLen > 5)
            value += _addInterpolationPart(v5, bindings[5]);
        if (bindLen > 6)
            value += _addInterpolationPart(v6, bindings[6]);
        if (bindLen > 7)
            value += _addInterpolationPart(v7, bindings[7]);
        if (bindLen > 8)
            value += _addInterpolationPart(v8, bindings[8]);
        if (bindLen > 9)
            value += _addInterpolationPart(v9, bindings[9]);
        const renderNode = asTextData(view, def.nodeIndex).renderText;
        view.renderer.setValue(renderNode, value);
    }
    return changed;
}
function checkAndUpdateTextDynamic(view, def, values) {
    const bindings = def.bindings;
    let changed = false;
    for (let i = 0; i < values.length; i++) {
        // Note: We need to loop over all values, so that
        // the old values are updates as well!
        if (checkAndUpdateBinding(view, def, i, values[i])) {
            changed = true;
        }
    }
    if (changed) {
        let value = '';
        for (let i = 0; i < values.length; i++) {
            value = value + _addInterpolationPart(values[i], bindings[i]);
        }
        value = def.text.prefix + value;
        const renderNode = asTextData(view, def.nodeIndex).renderText;
        view.renderer.setValue(renderNode, value);
    }
    return changed;
}
function _addInterpolationPart(value, binding) {
    const valueStr = value != null ? value.toString() : '';
    return valueStr + binding.suffix;
}

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
function viewDef(flags, nodes, updateDirectives, updateRenderer) {
    // clone nodes and set auto calculated values
    let viewBindingCount = 0;
    let viewDisposableCount = 0;
    let viewNodeFlags = 0;
    let viewRootNodeFlags = 0;
    let viewMatchedQueries = 0;
    let currentParent = null;
    let currentRenderParent = null;
    let currentElementHasPublicProviders = false;
    let currentElementHasPrivateProviders = false;
    let lastRenderRootNode = null;
    for (let i = 0; i < nodes.length; i++) {
        const node = nodes[i];
        node.nodeIndex = i;
        node.parent = currentParent;
        node.bindingIndex = viewBindingCount;
        node.outputIndex = viewDisposableCount;
        node.renderParent = currentRenderParent;
        viewNodeFlags |= node.flags;
        viewMatchedQueries |= node.matchedQueryIds;
        if (node.element) {
            const elDef = node.element;
            elDef.publicProviders =
                currentParent ? currentParent.element.publicProviders : Object.create(null);
            elDef.allProviders = elDef.publicProviders;
            // Note: We assume that all providers of an element are before any child element!
            currentElementHasPublicProviders = false;
            currentElementHasPrivateProviders = false;
            if (node.element.template) {
                viewMatchedQueries |= node.element.template.nodeMatchedQueries;
            }
        }
        validateNode(currentParent, node, nodes.length);
        viewBindingCount += node.bindings.length;
        viewDisposableCount += node.outputs.length;
        if (!currentRenderParent && (node.flags & 3 /* CatRenderNode */)) {
            lastRenderRootNode = node;
        }
        if (node.flags & 20224 /* CatProvider */) {
            if (!currentElementHasPublicProviders) {
                currentElementHasPublicProviders = true;
                // Use prototypical inheritance to not get O(n^2) complexity...
                currentParent.element.publicProviders =
                    Object.create(currentParent.element.publicProviders);
                currentParent.element.allProviders = currentParent.element.publicProviders;
            }
            const isPrivateService = (node.flags & 8192 /* PrivateProvider */) !== 0;
            const isComponent = (node.flags & 32768 /* Component */) !== 0;
            if (!isPrivateService || isComponent) {
                currentParent.element.publicProviders[tokenKey(node.provider.token)] = node;
            }
            else {
                if (!currentElementHasPrivateProviders) {
                    currentElementHasPrivateProviders = true;
                    // Use prototypical inheritance to not get O(n^2) complexity...
                    currentParent.element.allProviders =
                        Object.create(currentParent.element.publicProviders);
                }
                currentParent.element.allProviders[tokenKey(node.provider.token)] = node;
            }
            if (isComponent) {
                currentParent.element.componentProvider = node;
            }
        }
        if (currentParent) {
            currentParent.childFlags |= node.flags;
            currentParent.directChildFlags |= node.flags;
            currentParent.childMatchedQueries |= node.matchedQueryIds;
            if (node.element && node.element.template) {
                currentParent.childMatchedQueries |= node.element.template.nodeMatchedQueries;
            }
        }
        else {
            viewRootNodeFlags |= node.flags;
        }
        if (node.childCount > 0) {
            currentParent = node;
            if (!isNgContainer(node)) {
                currentRenderParent = node;
            }
        }
        else {
            // When the current node has no children, check if it is the last children of its parent.
            // When it is, propagate the flags up.
            // The loop is required because an element could be the last transitive children of several
            // elements. We loop to either the root or the highest opened element (= with remaining
            // children)
            while (currentParent && i === currentParent.nodeIndex + currentParent.childCount) {
                const newParent = currentParent.parent;
                if (newParent) {
                    newParent.childFlags |= currentParent.childFlags;
                    newParent.childMatchedQueries |= currentParent.childMatchedQueries;
                }
                currentParent = newParent;
                // We also need to update the render parent & account for ng-container
                if (currentParent && isNgContainer(currentParent)) {
                    currentRenderParent = currentParent.renderParent;
                }
                else {
                    currentRenderParent = currentParent;
                }
            }
        }
    }
    const handleEvent = (view, nodeIndex, eventName, event) => nodes[nodeIndex].element.handleEvent(view, eventName, event);
    return {
        // Will be filled later...
        factory: null,
        nodeFlags: viewNodeFlags,
        rootNodeFlags: viewRootNodeFlags,
        nodeMatchedQueries: viewMatchedQueries,
        flags,
        nodes: nodes,
        updateDirectives: updateDirectives || NOOP,
        updateRenderer: updateRenderer || NOOP,
        handleEvent,
        bindingCount: viewBindingCount,
        outputCount: viewDisposableCount,
        lastRenderRootNode
    };
}
function isNgContainer(node) {
    return (node.flags & 1 /* TypeElement */) !== 0 && node.element.name === null;
}
function validateNode(parent, node, nodeCount) {
    const template = node.element && node.element.template;
    if (template) {
        if (!template.lastRenderRootNode) {
            throw new Error(`Illegal State: Embedded templates without nodes are not allowed!`);
        }
        if (template.lastRenderRootNode &&
            template.lastRenderRootNode.flags & 16777216 /* EmbeddedViews */) {
            throw new Error(`Illegal State: Last root node of a template can't have embedded views, at index ${node.nodeIndex}!`);
        }
    }
    if (node.flags & 20224 /* CatProvider */) {
        const parentFlags = parent ? parent.flags : 0;
        if ((parentFlags & 1 /* TypeElement */) === 0) {
            throw new Error(`Illegal State: StaticProvider/Directive nodes need to be children of elements or anchors, at index ${node.nodeIndex}!`);
        }
    }
    if (node.query) {
        if (node.flags & 67108864 /* TypeContentQuery */ &&
            (!parent || (parent.flags & 16384 /* TypeDirective */) === 0)) {
            throw new Error(`Illegal State: Content Query nodes need to be children of directives, at index ${node.nodeIndex}!`);
        }
        if (node.flags & 134217728 /* TypeViewQuery */ && parent) {
            throw new Error(`Illegal State: View Query nodes have to be top level nodes, at index ${node.nodeIndex}!`);
        }
    }
    if (node.childCount) {
        const parentEnd = parent ? parent.nodeIndex + parent.childCount : nodeCount - 1;
        if (node.nodeIndex <= parentEnd && node.nodeIndex + node.childCount > parentEnd) {
            throw new Error(`Illegal State: childCount of node leads outside of parent, at index ${node.nodeIndex}!`);
        }
    }
}
function createEmbeddedView(parent, anchorDef, viewDef, context) {
    // embedded views are seen as siblings to the anchor, so we need
    // to get the parent of the anchor and use it as parentIndex.
    const view = createView(parent.root, parent.renderer, parent, anchorDef, viewDef);
    initView(view, parent.component, context);
    createViewNodes(view);
    return view;
}
function createRootView(root, def, context) {
    const view = createView(root, root.renderer, null, null, def);
    initView(view, context, context);
    createViewNodes(view);
    return view;
}
function createComponentView(parentView, nodeDef, viewDef, hostElement) {
    const rendererType = nodeDef.element.componentRendererType;
    let compRenderer;
    if (!rendererType) {
        compRenderer = parentView.root.renderer;
    }
    else {
        compRenderer = parentView.root.rendererFactory.createRenderer(hostElement, rendererType);
    }
    return createView(parentView.root, compRenderer, parentView, nodeDef.element.componentProvider, viewDef);
}
function createView(root, renderer, parent, parentNodeDef, def) {
    const nodes = new Array(def.nodes.length);
    const disposables = def.outputCount ? new Array(def.outputCount) : null;
    const view = {
        def,
        parent,
        viewContainerParent: null,
        parentNodeDef,
        context: null,
        component: null,
        nodes,
        state: 13 /* CatInit */,
        root,
        renderer,
        oldValues: new Array(def.bindingCount),
        disposables,
        initIndex: -1
    };
    return view;
}
function initView(view, component, context) {
    view.component = component;
    view.context = context;
}
function createViewNodes(view) {
    let renderHost;
    if (isComponentView(view)) {
        const hostDef = view.parentNodeDef;
        renderHost = asElementData(view.parent, hostDef.parent.nodeIndex).renderElement;
    }
    const def = view.def;
    const nodes = view.nodes;
    for (let i = 0; i < def.nodes.length; i++) {
        const nodeDef = def.nodes[i];
        Services.setCurrentNode(view, i);
        let nodeData;
        switch (nodeDef.flags & 201347067 /* Types */) {
            case 1 /* TypeElement */:
                const el = createElement(view, renderHost, nodeDef);
                let componentView = undefined;
                if (nodeDef.flags & 33554432 /* ComponentView */) {
                    const compViewDef = resolveDefinition(nodeDef.element.componentView);
                    componentView = Services.createComponentView(view, nodeDef, compViewDef, el);
                }
                listenToElementOutputs(view, componentView, nodeDef, el);
                nodeData = {
                    renderElement: el,
                    componentView,
                    viewContainer: null,
                    template: nodeDef.element.template ? createTemplateData(view, nodeDef) : undefined
                };
                if (nodeDef.flags & 16777216 /* EmbeddedViews */) {
                    nodeData.viewContainer = createViewContainerData(view, nodeDef, nodeData);
                }
                break;
            case 2 /* TypeText */:
                nodeData = createText(view, renderHost, nodeDef);
                break;
            case 512 /* TypeClassProvider */:
            case 1024 /* TypeFactoryProvider */:
            case 2048 /* TypeUseExistingProvider */:
            case 256 /* TypeValueProvider */: {
                nodeData = nodes[i];
                if (!nodeData && !(nodeDef.flags & 4096 /* LazyProvider */)) {
                    const instance = createProviderInstance(view, nodeDef);
                    nodeData = { instance };
                }
                break;
            }
            case 16 /* TypePipe */: {
                const instance = createPipeInstance(view, nodeDef);
                nodeData = { instance };
                break;
            }
            case 16384 /* TypeDirective */: {
                nodeData = nodes[i];
                if (!nodeData) {
                    const instance = createDirectiveInstance(view, nodeDef);
                    nodeData = { instance };
                }
                if (nodeDef.flags & 32768 /* Component */) {
                    const compView = asElementData(view, nodeDef.parent.nodeIndex).componentView;
                    initView(compView, nodeData.instance, nodeData.instance);
                }
                break;
            }
            case 32 /* TypePureArray */:
            case 64 /* TypePureObject */:
            case 128 /* TypePurePipe */:
                nodeData = createPureExpression(view, nodeDef);
                break;
            case 67108864 /* TypeContentQuery */:
            case 134217728 /* TypeViewQuery */:
                nodeData = createQuery((nodeDef.flags & -2147483648 /* EmitDistinctChangesOnly */) ===
                    -2147483648 /* EmitDistinctChangesOnly */);
                break;
            case 8 /* TypeNgContent */:
                appendNgContent(view, renderHost, nodeDef);
                // no runtime data needed for NgContent...
                nodeData = undefined;
                break;
        }
        nodes[i] = nodeData;
    }
    // Create the ViewData.nodes of component views after we created everything else,
    // so that e.g. ng-content works
    execComponentViewsAction(view, ViewAction.CreateViewNodes);
    // fill static content and view queries
    execQueriesAction(view, 67108864 /* TypeContentQuery */ | 134217728 /* TypeViewQuery */, 268435456 /* StaticQuery */, 0 /* CheckAndUpdate */);
}
function checkNoChangesView(view) {
    markProjectedViewsForCheck(view);
    Services.updateDirectives(view, 1 /* CheckNoChanges */);
    execEmbeddedViewsAction(view, ViewAction.CheckNoChanges);
    Services.updateRenderer(view, 1 /* CheckNoChanges */);
    execComponentViewsAction(view, ViewAction.CheckNoChanges);
    // Note: We don't check queries for changes as we didn't do this in v2.x.
    // TODO(tbosch): investigate if we can enable the check again in v5.x with a nicer error message.
    view.state &= ~(64 /* CheckProjectedViews */ | 32 /* CheckProjectedView */);
}
function checkAndUpdateView(view) {
    if (view.state & 1 /* BeforeFirstCheck */) {
        view.state &= ~1 /* BeforeFirstCheck */;
        view.state |= 2 /* FirstCheck */;
    }
    else {
        view.state &= ~2 /* FirstCheck */;
    }
    shiftInitState(view, 0 /* InitState_BeforeInit */, 256 /* InitState_CallingOnInit */);
    markProjectedViewsForCheck(view);
    Services.updateDirectives(view, 0 /* CheckAndUpdate */);
    execEmbeddedViewsAction(view, ViewAction.CheckAndUpdate);
    execQueriesAction(view, 67108864 /* TypeContentQuery */, 536870912 /* DynamicQuery */, 0 /* CheckAndUpdate */);
    let callInit = shiftInitState(view, 256 /* InitState_CallingOnInit */, 512 /* InitState_CallingAfterContentInit */);
    callLifecycleHooksChildrenFirst(view, 2097152 /* AfterContentChecked */ | (callInit ? 1048576 /* AfterContentInit */ : 0));
    Services.updateRenderer(view, 0 /* CheckAndUpdate */);
    execComponentViewsAction(view, ViewAction.CheckAndUpdate);
    execQueriesAction(view, 134217728 /* TypeViewQuery */, 536870912 /* DynamicQuery */, 0 /* CheckAndUpdate */);
    callInit = shiftInitState(view, 512 /* InitState_CallingAfterContentInit */, 768 /* InitState_CallingAfterViewInit */);
    callLifecycleHooksChildrenFirst(view, 8388608 /* AfterViewChecked */ | (callInit ? 4194304 /* AfterViewInit */ : 0));
    if (view.def.flags & 2 /* OnPush */) {
        view.state &= ~8 /* ChecksEnabled */;
    }
    view.state &= ~(64 /* CheckProjectedViews */ | 32 /* CheckProjectedView */);
    shiftInitState(view, 768 /* InitState_CallingAfterViewInit */, 1024 /* InitState_AfterInit */);
}
function checkAndUpdateNode(view, nodeDef, argStyle, v0, v1, v2, v3, v4, v5, v6, v7, v8, v9) {
    if (argStyle === 0 /* Inline */) {
        return checkAndUpdateNodeInline(view, nodeDef, v0, v1, v2, v3, v4, v5, v6, v7, v8, v9);
    }
    else {
        return checkAndUpdateNodeDynamic(view, nodeDef, v0);
    }
}
function markProjectedViewsForCheck(view) {
    const def = view.def;
    if (!(def.nodeFlags & 4 /* ProjectedTemplate */)) {
        return;
    }
    for (let i = 0; i < def.nodes.length; i++) {
        const nodeDef = def.nodes[i];
        if (nodeDef.flags & 4 /* ProjectedTemplate */) {
            const projectedViews = asElementData(view, i).template._projectedViews;
            if (projectedViews) {
                for (let i = 0; i < projectedViews.length; i++) {
                    const projectedView = projectedViews[i];
                    projectedView.state |= 32 /* CheckProjectedView */;
                    markParentViewsForCheckProjectedViews(projectedView, view);
                }
            }
        }
        else if ((nodeDef.childFlags & 4 /* ProjectedTemplate */) === 0) {
            // a parent with leafs
            // no child is a component,
            // then skip the children
            i += nodeDef.childCount;
        }
    }
}
function checkAndUpdateNodeInline(view, nodeDef, v0, v1, v2, v3, v4, v5, v6, v7, v8, v9) {
    switch (nodeDef.flags & 201347067 /* Types */) {
        case 1 /* TypeElement */:
            return checkAndUpdateElementInline(view, nodeDef, v0, v1, v2, v3, v4, v5, v6, v7, v8, v9);
        case 2 /* TypeText */:
            return checkAndUpdateTextInline(view, nodeDef, v0, v1, v2, v3, v4, v5, v6, v7, v8, v9);
        case 16384 /* TypeDirective */:
            return checkAndUpdateDirectiveInline(view, nodeDef, v0, v1, v2, v3, v4, v5, v6, v7, v8, v9);
        case 32 /* TypePureArray */:
        case 64 /* TypePureObject */:
        case 128 /* TypePurePipe */:
            return checkAndUpdatePureExpressionInline(view, nodeDef, v0, v1, v2, v3, v4, v5, v6, v7, v8, v9);
        default:
            throw 'unreachable';
    }
}
function checkAndUpdateNodeDynamic(view, nodeDef, values) {
    switch (nodeDef.flags & 201347067 /* Types */) {
        case 1 /* TypeElement */:
            return checkAndUpdateElementDynamic(view, nodeDef, values);
        case 2 /* TypeText */:
            return checkAndUpdateTextDynamic(view, nodeDef, values);
        case 16384 /* TypeDirective */:
            return checkAndUpdateDirectiveDynamic(view, nodeDef, values);
        case 32 /* TypePureArray */:
        case 64 /* TypePureObject */:
        case 128 /* TypePurePipe */:
            return checkAndUpdatePureExpressionDynamic(view, nodeDef, values);
        default:
            throw 'unreachable';
    }
}
function checkNoChangesNode(view, nodeDef, argStyle, v0, v1, v2, v3, v4, v5, v6, v7, v8, v9) {
    if (argStyle === 0 /* Inline */) {
        checkNoChangesNodeInline(view, nodeDef, v0, v1, v2, v3, v4, v5, v6, v7, v8, v9);
    }
    else {
        checkNoChangesNodeDynamic(view, nodeDef, v0);
    }
    // Returning false is ok here as we would have thrown in case of a change.
    return false;
}
function checkNoChangesNodeInline(view, nodeDef, v0, v1, v2, v3, v4, v5, v6, v7, v8, v9) {
    const bindLen = nodeDef.bindings.length;
    if (bindLen > 0)
        checkBindingNoChanges(view, nodeDef, 0, v0);
    if (bindLen > 1)
        checkBindingNoChanges(view, nodeDef, 1, v1);
    if (bindLen > 2)
        checkBindingNoChanges(view, nodeDef, 2, v2);
    if (bindLen > 3)
        checkBindingNoChanges(view, nodeDef, 3, v3);
    if (bindLen > 4)
        checkBindingNoChanges(view, nodeDef, 4, v4);
    if (bindLen > 5)
        checkBindingNoChanges(view, nodeDef, 5, v5);
    if (bindLen > 6)
        checkBindingNoChanges(view, nodeDef, 6, v6);
    if (bindLen > 7)
        checkBindingNoChanges(view, nodeDef, 7, v7);
    if (bindLen > 8)
        checkBindingNoChanges(view, nodeDef, 8, v8);
    if (bindLen > 9)
        checkBindingNoChanges(view, nodeDef, 9, v9);
}
function checkNoChangesNodeDynamic(view, nodeDef, values) {
    for (let i = 0; i < values.length; i++) {
        checkBindingNoChanges(view, nodeDef, i, values[i]);
    }
}
/**
 * Workaround https://github.com/angular/tsickle/issues/497
 * @suppress {misplacedTypeAnnotation}
 */
function checkNoChangesQuery(view, nodeDef) {
    const queryList = asQueryList(view, nodeDef.nodeIndex);
    if (queryList.dirty) {
        throw expressionChangedAfterItHasBeenCheckedError(Services.createDebugContext(view, nodeDef.nodeIndex), `Query ${nodeDef.query.id} not dirty`, `Query ${nodeDef.query.id} dirty`, (view.state & 1 /* BeforeFirstCheck */) !== 0);
    }
}
function destroyView(view) {
    if (view.state & 128 /* Destroyed */) {
        return;
    }
    execEmbeddedViewsAction(view, ViewAction.Destroy);
    execComponentViewsAction(view, ViewAction.Destroy);
    callLifecycleHooksChildrenFirst(view, 131072 /* OnDestroy */);
    if (view.disposables) {
        for (let i = 0; i < view.disposables.length; i++) {
            view.disposables[i]();
        }
    }
    detachProjectedView(view);
    if (view.renderer.destroyNode) {
        destroyViewNodes(view);
    }
    if (isComponentView(view)) {
        view.renderer.destroy();
    }
    view.state |= 128 /* Destroyed */;
}
function destroyViewNodes(view) {
    const len = view.def.nodes.length;
    for (let i = 0; i < len; i++) {
        const def = view.def.nodes[i];
        if (def.flags & 1 /* TypeElement */) {
            view.renderer.destroyNode(asElementData(view, i).renderElement);
        }
        else if (def.flags & 2 /* TypeText */) {
            view.renderer.destroyNode(asTextData(view, i).renderText);
        }
        else if (def.flags & 67108864 /* TypeContentQuery */ || def.flags & 134217728 /* TypeViewQuery */) {
            asQueryList(view, i).destroy();
        }
    }
}
var ViewAction;
(function (ViewAction) {
    ViewAction[ViewAction["CreateViewNodes"] = 0] = "CreateViewNodes";
    ViewAction[ViewAction["CheckNoChanges"] = 1] = "CheckNoChanges";
    ViewAction[ViewAction["CheckNoChangesProjectedViews"] = 2] = "CheckNoChangesProjectedViews";
    ViewAction[ViewAction["CheckAndUpdate"] = 3] = "CheckAndUpdate";
    ViewAction[ViewAction["CheckAndUpdateProjectedViews"] = 4] = "CheckAndUpdateProjectedViews";
    ViewAction[ViewAction["Destroy"] = 5] = "Destroy";
})(ViewAction || (ViewAction = {}));
function execComponentViewsAction(view, action) {
    const def = view.def;
    if (!(def.nodeFlags & 33554432 /* ComponentView */)) {
        return;
    }
    for (let i = 0; i < def.nodes.length; i++) {
        const nodeDef = def.nodes[i];
        if (nodeDef.flags & 33554432 /* ComponentView */) {
            // a leaf
            callViewAction(asElementData(view, i).componentView, action);
        }
        else if ((nodeDef.childFlags & 33554432 /* ComponentView */) === 0) {
            // a parent with leafs
            // no child is a component,
            // then skip the children
            i += nodeDef.childCount;
        }
    }
}
function execEmbeddedViewsAction(view, action) {
    const def = view.def;
    if (!(def.nodeFlags & 16777216 /* EmbeddedViews */)) {
        return;
    }
    for (let i = 0; i < def.nodes.length; i++) {
        const nodeDef = def.nodes[i];
        if (nodeDef.flags & 16777216 /* EmbeddedViews */) {
            // a leaf
            const embeddedViews = asElementData(view, i).viewContainer._embeddedViews;
            for (let k = 0; k < embeddedViews.length; k++) {
                callViewAction(embeddedViews[k], action);
            }
        }
        else if ((nodeDef.childFlags & 16777216 /* EmbeddedViews */) === 0) {
            // a parent with leafs
            // no child is a component,
            // then skip the children
            i += nodeDef.childCount;
        }
    }
}
function callViewAction(view, action) {
    const viewState = view.state;
    switch (action) {
        case ViewAction.CheckNoChanges:
            if ((viewState & 128 /* Destroyed */) === 0) {
                if ((viewState & 12 /* CatDetectChanges */) === 12 /* CatDetectChanges */) {
                    checkNoChangesView(view);
                }
                else if (viewState & 64 /* CheckProjectedViews */) {
                    execProjectedViewsAction(view, ViewAction.CheckNoChangesProjectedViews);
                }
            }
            break;
        case ViewAction.CheckNoChangesProjectedViews:
            if ((viewState & 128 /* Destroyed */) === 0) {
                if (viewState & 32 /* CheckProjectedView */) {
                    checkNoChangesView(view);
                }
                else if (viewState & 64 /* CheckProjectedViews */) {
                    execProjectedViewsAction(view, action);
                }
            }
            break;
        case ViewAction.CheckAndUpdate:
            if ((viewState & 128 /* Destroyed */) === 0) {
                if ((viewState & 12 /* CatDetectChanges */) === 12 /* CatDetectChanges */) {
                    checkAndUpdateView(view);
                }
                else if (viewState & 64 /* CheckProjectedViews */) {
                    execProjectedViewsAction(view, ViewAction.CheckAndUpdateProjectedViews);
                }
            }
            break;
        case ViewAction.CheckAndUpdateProjectedViews:
            if ((viewState & 128 /* Destroyed */) === 0) {
                if (viewState & 32 /* CheckProjectedView */) {
                    checkAndUpdateView(view);
                }
                else if (viewState & 64 /* CheckProjectedViews */) {
                    execProjectedViewsAction(view, action);
                }
            }
            break;
        case ViewAction.Destroy:
            // Note: destroyView recurses over all views,
            // so we don't need to special case projected views here.
            destroyView(view);
            break;
        case ViewAction.CreateViewNodes:
            createViewNodes(view);
            break;
    }
}
function execProjectedViewsAction(view, action) {
    execEmbeddedViewsAction(view, action);
    execComponentViewsAction(view, action);
}
function execQueriesAction(view, queryFlags, staticDynamicQueryFlag, checkType) {
    if (!(view.def.nodeFlags & queryFlags) || !(view.def.nodeFlags & staticDynamicQueryFlag)) {
        return;
    }
    const nodeCount = view.def.nodes.length;
    for (let i = 0; i < nodeCount; i++) {
        const nodeDef = view.def.nodes[i];
        if ((nodeDef.flags & queryFlags) && (nodeDef.flags & staticDynamicQueryFlag)) {
            Services.setCurrentNode(view, nodeDef.nodeIndex);
            switch (checkType) {
                case 0 /* CheckAndUpdate */:
                    checkAndUpdateQuery(view, nodeDef);
                    break;
                case 1 /* CheckNoChanges */:
                    checkNoChangesQuery(view, nodeDef);
                    break;
            }
        }
        if (!(nodeDef.childFlags & queryFlags) || !(nodeDef.childFlags & staticDynamicQueryFlag)) {
            // no child has a matching query
            // then skip the children
            i += nodeDef.childCount;
        }
    }
}

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
let initialized = false;
function initServicesIfNeeded() {
    if (initialized) {
        return;
    }
    initialized = true;
    const services = isDevMode() ? createDebugServices() : createProdServices();
    Services.setCurrentNode = services.setCurrentNode;
    Services.createRootView = services.createRootView;
    Services.createEmbeddedView = services.createEmbeddedView;
    Services.createComponentView = services.createComponentView;
    Services.createNgModuleRef = services.createNgModuleRef;
    Services.overrideProvider = services.overrideProvider;
    Services.overrideComponentView = services.overrideComponentView;
    Services.clearOverrides = services.clearOverrides;
    Services.checkAndUpdateView = services.checkAndUpdateView;
    Services.checkNoChangesView = services.checkNoChangesView;
    Services.destroyView = services.destroyView;
    Services.resolveDep = resolveDep;
    Services.createDebugContext = services.createDebugContext;
    Services.handleEvent = services.handleEvent;
    Services.updateDirectives = services.updateDirectives;
    Services.updateRenderer = services.updateRenderer;
    Services.dirtyParentQueries = dirtyParentQueries;
}
function createProdServices() {
    return {
        setCurrentNode: () => { },
        createRootView: createProdRootView,
        createEmbeddedView: createEmbeddedView,
        createComponentView: createComponentView,
        createNgModuleRef: createNgModuleRef,
        overrideProvider: NOOP,
        overrideComponentView: NOOP,
        clearOverrides: NOOP,
        checkAndUpdateView: checkAndUpdateView,
        checkNoChangesView: checkNoChangesView,
        destroyView: destroyView,
        createDebugContext: (view, nodeIndex) => new DebugContext_(view, nodeIndex),
        handleEvent: (view, nodeIndex, eventName, event) => view.def.handleEvent(view, nodeIndex, eventName, event),
        updateDirectives: (view, checkType) => view.def.updateDirectives(checkType === 0 /* CheckAndUpdate */ ? prodCheckAndUpdateNode : prodCheckNoChangesNode, view),
        updateRenderer: (view, checkType) => view.def.updateRenderer(checkType === 0 /* CheckAndUpdate */ ? prodCheckAndUpdateNode : prodCheckNoChangesNode, view),
    };
}
function createDebugServices() {
    return {
        setCurrentNode: debugSetCurrentNode,
        createRootView: debugCreateRootView,
        createEmbeddedView: debugCreateEmbeddedView,
        createComponentView: debugCreateComponentView,
        createNgModuleRef: debugCreateNgModuleRef,
        overrideProvider: debugOverrideProvider,
        overrideComponentView: debugOverrideComponentView,
        clearOverrides: debugClearOverrides,
        checkAndUpdateView: debugCheckAndUpdateView,
        checkNoChangesView: debugCheckNoChangesView,
        destroyView: debugDestroyView,
        createDebugContext: (view, nodeIndex) => new DebugContext_(view, nodeIndex),
        handleEvent: debugHandleEvent,
        updateDirectives: debugUpdateDirectives,
        updateRenderer: debugUpdateRenderer,
    };
}
function createProdRootView(elInjector, projectableNodes, rootSelectorOrNode, def, ngModule, context) {
    const rendererFactory = ngModule.injector.get(RendererFactory2);
    return createRootView(createRootData(elInjector, ngModule, rendererFactory, projectableNodes, rootSelectorOrNode), def, context);
}
function debugCreateRootView(elInjector, projectableNodes, rootSelectorOrNode, def, ngModule, context) {
    const rendererFactory = ngModule.injector.get(RendererFactory2);
    const root = createRootData(elInjector, ngModule, new DebugRendererFactory2(rendererFactory), projectableNodes, rootSelectorOrNode);
    const defWithOverride = applyProviderOverridesToView(def);
    return callWithDebugContext(DebugAction.create, createRootView, null, [root, defWithOverride, context]);
}
function createRootData(elInjector, ngModule, rendererFactory, projectableNodes, rootSelectorOrNode) {
    const sanitizer = ngModule.injector.get(Sanitizer);
    const errorHandler = ngModule.injector.get(ErrorHandler);
    const renderer = rendererFactory.createRenderer(null, null);
    return {
        ngModule,
        injector: elInjector,
        projectableNodes,
        selectorOrNode: rootSelectorOrNode,
        sanitizer,
        rendererFactory,
        renderer,
        errorHandler
    };
}
function debugCreateEmbeddedView(parentView, anchorDef, viewDef, context) {
    const defWithOverride = applyProviderOverridesToView(viewDef);
    return callWithDebugContext(DebugAction.create, createEmbeddedView, null, [parentView, anchorDef, defWithOverride, context]);
}
function debugCreateComponentView(parentView, nodeDef, viewDef, hostElement) {
    const overrideComponentView = viewDefOverrides.get(nodeDef.element.componentProvider.provider.token);
    if (overrideComponentView) {
        viewDef = overrideComponentView;
    }
    else {
        viewDef = applyProviderOverridesToView(viewDef);
    }
    return callWithDebugContext(DebugAction.create, createComponentView, null, [parentView, nodeDef, viewDef, hostElement]);
}
function debugCreateNgModuleRef(moduleType, parentInjector, bootstrapComponents, def) {
    const defWithOverride = applyProviderOverridesToNgModule(def);
    return createNgModuleRef(moduleType, parentInjector, bootstrapComponents, defWithOverride);
}
const providerOverrides = new Map();
const providerOverridesWithScope = new Map();
const viewDefOverrides = new Map();
function debugOverrideProvider(override) {
    providerOverrides.set(override.token, override);
    let injectableDef;
    if (typeof override.token === 'function' && (injectableDef = getInjectableDef(override.token)) &&
        typeof injectableDef.providedIn === 'function') {
        providerOverridesWithScope.set(override.token, override);
    }
}
function debugOverrideComponentView(comp, compFactory) {
    const hostViewDef = resolveDefinition(getComponentViewDefinitionFactory(compFactory));
    const compViewDef = resolveDefinition(hostViewDef.nodes[0].element.componentView);
    viewDefOverrides.set(comp, compViewDef);
}
function debugClearOverrides() {
    providerOverrides.clear();
    providerOverridesWithScope.clear();
    viewDefOverrides.clear();
}
// Notes about the algorithm:
// 1) Locate the providers of an element and check if one of them was overwritten
// 2) Change the providers of that element
//
// We only create new data structures if we need to, to keep perf impact
// reasonable.
function applyProviderOverridesToView(def) {
    if (providerOverrides.size === 0) {
        return def;
    }
    const elementIndicesWithOverwrittenProviders = findElementIndicesWithOverwrittenProviders(def);
    if (elementIndicesWithOverwrittenProviders.length === 0) {
        return def;
    }
    // clone the whole view definition,
    // as it maintains references between the nodes that are hard to update.
    def = def.factory(() => NOOP);
    for (let i = 0; i < elementIndicesWithOverwrittenProviders.length; i++) {
        applyProviderOverridesToElement(def, elementIndicesWithOverwrittenProviders[i]);
    }
    return def;
    function findElementIndicesWithOverwrittenProviders(def) {
        const elIndicesWithOverwrittenProviders = [];
        let lastElementDef = null;
        for (let i = 0; i < def.nodes.length; i++) {
            const nodeDef = def.nodes[i];
            if (nodeDef.flags & 1 /* TypeElement */) {
                lastElementDef = nodeDef;
            }
            if (lastElementDef && nodeDef.flags & 3840 /* CatProviderNoDirective */ &&
                providerOverrides.has(nodeDef.provider.token)) {
                elIndicesWithOverwrittenProviders.push(lastElementDef.nodeIndex);
                lastElementDef = null;
            }
        }
        return elIndicesWithOverwrittenProviders;
    }
    function applyProviderOverridesToElement(viewDef, elIndex) {
        for (let i = elIndex + 1; i < viewDef.nodes.length; i++) {
            const nodeDef = viewDef.nodes[i];
            if (nodeDef.flags & 1 /* TypeElement */) {
                // stop at the next element
                return;
            }
            if (nodeDef.flags & 3840 /* CatProviderNoDirective */) {
                const provider = nodeDef.provider;
                const override = providerOverrides.get(provider.token);
                if (override) {
                    nodeDef.flags = (nodeDef.flags & ~3840 /* CatProviderNoDirective */) | override.flags;
                    provider.deps = splitDepsDsl(override.deps);
                    provider.value = override.value;
                }
            }
        }
    }
}
// Notes about the algorithm:
// We only create new data structures if we need to, to keep perf impact
// reasonable.
function applyProviderOverridesToNgModule(def) {
    const { hasOverrides, hasDeprecatedOverrides } = calcHasOverrides(def);
    if (!hasOverrides) {
        return def;
    }
    // clone the whole view definition,
    // as it maintains references between the nodes that are hard to update.
    def = def.factory(() => NOOP);
    applyProviderOverrides(def);
    return def;
    function calcHasOverrides(def) {
        let hasOverrides = false;
        let hasDeprecatedOverrides = false;
        if (providerOverrides.size === 0) {
            return { hasOverrides, hasDeprecatedOverrides };
        }
        def.providers.forEach(node => {
            const override = providerOverrides.get(node.token);
            if ((node.flags & 3840 /* CatProviderNoDirective */) && override) {
                hasOverrides = true;
                hasDeprecatedOverrides = hasDeprecatedOverrides || override.deprecatedBehavior;
            }
        });
        def.modules.forEach(module => {
            providerOverridesWithScope.forEach((override, token) => {
                if (resolveForwardRef(getInjectableDef(token).providedIn) === module) {
                    hasOverrides = true;
                    hasDeprecatedOverrides = hasDeprecatedOverrides || override.deprecatedBehavior;
                }
            });
        });
        return { hasOverrides, hasDeprecatedOverrides };
    }
    function applyProviderOverrides(def) {
        for (let i = 0; i < def.providers.length; i++) {
            const provider = def.providers[i];
            if (hasDeprecatedOverrides) {
                // We had a bug where me made
                // all providers lazy. Keep this logic behind a flag
                // for migrating existing users.
                provider.flags |= 4096 /* LazyProvider */;
            }
            const override = providerOverrides.get(provider.token);
            if (override) {
                provider.flags = (provider.flags & ~3840 /* CatProviderNoDirective */) | override.flags;
                provider.deps = splitDepsDsl(override.deps);
                provider.value = override.value;
            }
        }
        if (providerOverridesWithScope.size > 0) {
            let moduleSet = new Set(def.modules);
            providerOverridesWithScope.forEach((override, token) => {
                if (moduleSet.has(resolveForwardRef(getInjectableDef(token).providedIn))) {
                    let provider = {
                        token: token,
                        flags: override.flags | (hasDeprecatedOverrides ? 4096 /* LazyProvider */ : 0 /* None */),
                        deps: splitDepsDsl(override.deps),
                        value: override.value,
                        index: def.providers.length,
                    };
                    def.providers.push(provider);
                    def.providersByKey[tokenKey(token)] = provider;
                }
            });
        }
    }
}
function prodCheckAndUpdateNode(view, checkIndex, argStyle, v0, v1, v2, v3, v4, v5, v6, v7, v8, v9) {
    const nodeDef = view.def.nodes[checkIndex];
    checkAndUpdateNode(view, nodeDef, argStyle, v0, v1, v2, v3, v4, v5, v6, v7, v8, v9);
    return (nodeDef.flags & 224 /* CatPureExpression */) ?
        asPureExpressionData(view, checkIndex).value :
        undefined;
}
function prodCheckNoChangesNode(view, checkIndex, argStyle, v0, v1, v2, v3, v4, v5, v6, v7, v8, v9) {
    const nodeDef = view.def.nodes[checkIndex];
    checkNoChangesNode(view, nodeDef, argStyle, v0, v1, v2, v3, v4, v5, v6, v7, v8, v9);
    return (nodeDef.flags & 224 /* CatPureExpression */) ?
        asPureExpressionData(view, checkIndex).value :
        undefined;
}
function debugCheckAndUpdateView(view) {
    return callWithDebugContext(DebugAction.detectChanges, checkAndUpdateView, null, [view]);
}
function debugCheckNoChangesView(view) {
    return callWithDebugContext(DebugAction.checkNoChanges, checkNoChangesView, null, [view]);
}
function debugDestroyView(view) {
    return callWithDebugContext(DebugAction.destroy, destroyView, null, [view]);
}
var DebugAction;
(function (DebugAction) {
    DebugAction[DebugAction["create"] = 0] = "create";
    DebugAction[DebugAction["detectChanges"] = 1] = "detectChanges";
    DebugAction[DebugAction["checkNoChanges"] = 2] = "checkNoChanges";
    DebugAction[DebugAction["destroy"] = 3] = "destroy";
    DebugAction[DebugAction["handleEvent"] = 4] = "handleEvent";
})(DebugAction || (DebugAction = {}));
let _currentAction;
let _currentView;
let _currentNodeIndex;
function debugSetCurrentNode(view, nodeIndex) {
    _currentView = view;
    _currentNodeIndex = nodeIndex;
}
function debugHandleEvent(view, nodeIndex, eventName, event) {
    debugSetCurrentNode(view, nodeIndex);
    return callWithDebugContext(DebugAction.handleEvent, view.def.handleEvent, null, [view, nodeIndex, eventName, event]);
}
function debugUpdateDirectives(view, checkType) {
    if (view.state & 128 /* Destroyed */) {
        throw viewDestroyedError(DebugAction[_currentAction]);
    }
    debugSetCurrentNode(view, nextDirectiveWithBinding(view, 0));
    return view.def.updateDirectives(debugCheckDirectivesFn, view);
    function debugCheckDirectivesFn(view, nodeIndex, argStyle, ...values) {
        const nodeDef = view.def.nodes[nodeIndex];
        if (checkType === 0 /* CheckAndUpdate */) {
            debugCheckAndUpdateNode(view, nodeDef, argStyle, values);
        }
        else {
            debugCheckNoChangesNode(view, nodeDef, argStyle, values);
        }
        if (nodeDef.flags & 16384 /* TypeDirective */) {
            debugSetCurrentNode(view, nextDirectiveWithBinding(view, nodeIndex));
        }
        return (nodeDef.flags & 224 /* CatPureExpression */) ?
            asPureExpressionData(view, nodeDef.nodeIndex).value :
            undefined;
    }
}
function debugUpdateRenderer(view, checkType) {
    if (view.state & 128 /* Destroyed */) {
        throw viewDestroyedError(DebugAction[_currentAction]);
    }
    debugSetCurrentNode(view, nextRenderNodeWithBinding(view, 0));
    return view.def.updateRenderer(debugCheckRenderNodeFn, view);
    function debugCheckRenderNodeFn(view, nodeIndex, argStyle, ...values) {
        const nodeDef = view.def.nodes[nodeIndex];
        if (checkType === 0 /* CheckAndUpdate */) {
            debugCheckAndUpdateNode(view, nodeDef, argStyle, values);
        }
        else {
            debugCheckNoChangesNode(view, nodeDef, argStyle, values);
        }
        if (nodeDef.flags & 3 /* CatRenderNode */) {
            debugSetCurrentNode(view, nextRenderNodeWithBinding(view, nodeIndex));
        }
        return (nodeDef.flags & 224 /* CatPureExpression */) ?
            asPureExpressionData(view, nodeDef.nodeIndex).value :
            undefined;
    }
}
function debugCheckAndUpdateNode(view, nodeDef, argStyle, givenValues) {
    const changed = checkAndUpdateNode(view, nodeDef, argStyle, ...givenValues);
    if (changed) {
        const values = argStyle === 1 /* Dynamic */ ? givenValues[0] : givenValues;
        if (nodeDef.flags & 16384 /* TypeDirective */) {
            const bindingValues = {};
            for (let i = 0; i < nodeDef.bindings.length; i++) {
                const binding = nodeDef.bindings[i];
                const value = values[i];
                if (binding.flags & 8 /* TypeProperty */) {
                    bindingValues[normalizeDebugBindingName(binding.nonMinifiedName)] =
                        normalizeDebugBindingValue(value);
                }
            }
            const elDef = nodeDef.parent;
            const el = asElementData(view, elDef.nodeIndex).renderElement;
            if (!elDef.element.name) {
                // a comment.
                view.renderer.setValue(el, escapeCommentText(`bindings=${JSON.stringify(bindingValues, null, 2)}`));
            }
            else {
                // a regular element.
                for (let attr in bindingValues) {
                    const value = bindingValues[attr];
                    if (value != null) {
                        view.renderer.setAttribute(el, attr, value);
                    }
                    else {
                        view.renderer.removeAttribute(el, attr);
                    }
                }
            }
        }
    }
}
function debugCheckNoChangesNode(view, nodeDef, argStyle, values) {
    checkNoChangesNode(view, nodeDef, argStyle, ...values);
}
function nextDirectiveWithBinding(view, nodeIndex) {
    for (let i = nodeIndex; i < view.def.nodes.length; i++) {
        const nodeDef = view.def.nodes[i];
        if (nodeDef.flags & 16384 /* TypeDirective */ && nodeDef.bindings && nodeDef.bindings.length) {
            return i;
        }
    }
    return null;
}
function nextRenderNodeWithBinding(view, nodeIndex) {
    for (let i = nodeIndex; i < view.def.nodes.length; i++) {
        const nodeDef = view.def.nodes[i];
        if ((nodeDef.flags & 3 /* CatRenderNode */) && nodeDef.bindings && nodeDef.bindings.length) {
            return i;
        }
    }
    return null;
}
class DebugContext_ {
    constructor(view, nodeIndex) {
        this.view = view;
        this.nodeIndex = nodeIndex;
        if (nodeIndex == null) {
            this.nodeIndex = nodeIndex = 0;
        }
        this.nodeDef = view.def.nodes[nodeIndex];
        let elDef = this.nodeDef;
        let elView = view;
        while (elDef && (elDef.flags & 1 /* TypeElement */) === 0) {
            elDef = elDef.parent;
        }
        if (!elDef) {
            while (!elDef && elView) {
                elDef = viewParentEl(elView);
                elView = elView.parent;
            }
        }
        this.elDef = elDef;
        this.elView = elView;
    }
    get elOrCompView() {
        // Has to be done lazily as we use the DebugContext also during creation of elements...
        return asElementData(this.elView, this.elDef.nodeIndex).componentView || this.view;
    }
    get injector() {
        return createInjector$1(this.elView, this.elDef);
    }
    get component() {
        return this.elOrCompView.component;
    }
    get context() {
        return this.elOrCompView.context;
    }
    get providerTokens() {
        const tokens = [];
        if (this.elDef) {
            for (let i = this.elDef.nodeIndex + 1; i <= this.elDef.nodeIndex + this.elDef.childCount; i++) {
                const childDef = this.elView.def.nodes[i];
                if (childDef.flags & 20224 /* CatProvider */) {
                    tokens.push(childDef.provider.token);
                }
                i += childDef.childCount;
            }
        }
        return tokens;
    }
    get references() {
        const references = {};
        if (this.elDef) {
            collectReferences(this.elView, this.elDef, references);
            for (let i = this.elDef.nodeIndex + 1; i <= this.elDef.nodeIndex + this.elDef.childCount; i++) {
                const childDef = this.elView.def.nodes[i];
                if (childDef.flags & 20224 /* CatProvider */) {
                    collectReferences(this.elView, childDef, references);
                }
                i += childDef.childCount;
            }
        }
        return references;
    }
    get componentRenderElement() {
        const elData = findHostElement(this.elOrCompView);
        return elData ? elData.renderElement : undefined;
    }
    get renderNode() {
        return this.nodeDef.flags & 2 /* TypeText */ ? renderNode(this.view, this.nodeDef) :
            renderNode(this.elView, this.elDef);
    }
    logError(console, ...values) {
        let logViewDef;
        let logNodeIndex;
        if (this.nodeDef.flags & 2 /* TypeText */) {
            logViewDef = this.view.def;
            logNodeIndex = this.nodeDef.nodeIndex;
        }
        else {
            logViewDef = this.elView.def;
            logNodeIndex = this.elDef.nodeIndex;
        }
        // Note: we only generate a log function for text and element nodes
        // to make the generated code as small as possible.
        const renderNodeIndex = getRenderNodeIndex(logViewDef, logNodeIndex);
        let currRenderNodeIndex = -1;
        let nodeLogger = () => {
            currRenderNodeIndex++;
            if (currRenderNodeIndex === renderNodeIndex) {
                return console.error.bind(console, ...values);
            }
            else {
                return NOOP;
            }
        };
        logViewDef.factory(nodeLogger);
        if (currRenderNodeIndex < renderNodeIndex) {
            console.error('Illegal state: the ViewDefinitionFactory did not call the logger!');
            console.error(...values);
        }
    }
}
function getRenderNodeIndex(viewDef, nodeIndex) {
    let renderNodeIndex = -1;
    for (let i = 0; i <= nodeIndex; i++) {
        const nodeDef = viewDef.nodes[i];
        if (nodeDef.flags & 3 /* CatRenderNode */) {
            renderNodeIndex++;
        }
    }
    return renderNodeIndex;
}
function findHostElement(view) {
    while (view && !isComponentView(view)) {
        view = view.parent;
    }
    if (view.parent) {
        return asElementData(view.parent, viewParentEl(view).nodeIndex);
    }
    return null;
}
function collectReferences(view, nodeDef, references) {
    for (let refName in nodeDef.references) {
        references[refName] = getQueryValue(view, nodeDef, nodeDef.references[refName]);
    }
}
function callWithDebugContext(action, fn, self, args) {
    const oldAction = _currentAction;
    const oldView = _currentView;
    const oldNodeIndex = _currentNodeIndex;
    try {
        _currentAction = action;
        const result = fn.apply(self, args);
        _currentView = oldView;
        _currentNodeIndex = oldNodeIndex;
        _currentAction = oldAction;
        return result;
    }
    catch (e) {
        if (isViewDebugError(e) || !_currentView) {
            throw e;
        }
        throw viewWrappedDebugError(e, getCurrentDebugContext());
    }
}
function getCurrentDebugContext() {
    return _currentView ? new DebugContext_(_currentView, _currentNodeIndex) : null;
}
class DebugRendererFactory2 {
    constructor(delegate) {
        this.delegate = delegate;
    }
    createRenderer(element, renderData) {
        return new DebugRenderer2(this.delegate.createRenderer(element, renderData));
    }
    begin() {
        if (this.delegate.begin) {
            this.delegate.begin();
        }
    }
    end() {
        if (this.delegate.end) {
            this.delegate.end();
        }
    }
    whenRenderingDone() {
        if (this.delegate.whenRenderingDone) {
            return this.delegate.whenRenderingDone();
        }
        return Promise.resolve(null);
    }
}
class DebugRenderer2 {
    constructor(delegate) {
        this.delegate = delegate;
        /**
         * Factory function used to create a `DebugContext` when a node is created.
         *
         * The `DebugContext` allows to retrieve information about the nodes that are useful in tests.
         *
         * The factory is configurable so that the `DebugRenderer2` could instantiate either a View Engine
         * or a Render context.
         */
        this.debugContextFactory = getCurrentDebugContext;
        this.data = this.delegate.data;
    }
    createDebugContext(nativeElement) {
        return this.debugContextFactory(nativeElement);
    }
    destroyNode(node) {
        const debugNode = getDebugNode$1(node);
        if (debugNode) {
            removeDebugNodeFromIndex(debugNode);
            if (debugNode instanceof DebugNode__PRE_R3__) {
                debugNode.listeners.length = 0;
            }
        }
        if (this.delegate.destroyNode) {
            this.delegate.destroyNode(node);
        }
    }
    destroy() {
        this.delegate.destroy();
    }
    createElement(name, namespace) {
        const el = this.delegate.createElement(name, namespace);
        const debugCtx = this.createDebugContext(el);
        if (debugCtx) {
            const debugEl = new DebugElement__PRE_R3__(el, null, debugCtx);
            debugEl.name = name;
            indexDebugNode(debugEl);
        }
        return el;
    }
    createComment(value) {
        const comment = this.delegate.createComment(escapeCommentText(value));
        const debugCtx = this.createDebugContext(comment);
        if (debugCtx) {
            indexDebugNode(new DebugNode__PRE_R3__(comment, null, debugCtx));
        }
        return comment;
    }
    createText(value) {
        const text = this.delegate.createText(value);
        const debugCtx = this.createDebugContext(text);
        if (debugCtx) {
            indexDebugNode(new DebugNode__PRE_R3__(text, null, debugCtx));
        }
        return text;
    }
    appendChild(parent, newChild) {
        const debugEl = getDebugNode$1(parent);
        const debugChildEl = getDebugNode$1(newChild);
        if (debugEl && debugChildEl && debugEl instanceof DebugElement__PRE_R3__) {
            debugEl.addChild(debugChildEl);
        }
        this.delegate.appendChild(parent, newChild);
    }
    insertBefore(parent, newChild, refChild, isMove) {
        const debugEl = getDebugNode$1(parent);
        const debugChildEl = getDebugNode$1(newChild);
        const debugRefEl = getDebugNode$1(refChild);
        if (debugEl && debugChildEl && debugEl instanceof DebugElement__PRE_R3__) {
            debugEl.insertBefore(debugRefEl, debugChildEl);
        }
        this.delegate.insertBefore(parent, newChild, refChild, isMove);
    }
    removeChild(parent, oldChild) {
        const debugEl = getDebugNode$1(parent);
        const debugChildEl = getDebugNode$1(oldChild);
        if (debugEl && debugChildEl && debugEl instanceof DebugElement__PRE_R3__) {
            debugEl.removeChild(debugChildEl);
        }
        this.delegate.removeChild(parent, oldChild);
    }
    selectRootElement(selectorOrNode, preserveContent) {
        const el = this.delegate.selectRootElement(selectorOrNode, preserveContent);
        const debugCtx = getCurrentDebugContext();
        if (debugCtx) {
            indexDebugNode(new DebugElement__PRE_R3__(el, null, debugCtx));
        }
        return el;
    }
    setAttribute(el, name, value, namespace) {
        const debugEl = getDebugNode$1(el);
        if (debugEl && debugEl instanceof DebugElement__PRE_R3__) {
            const fullName = namespace ? namespace + ':' + name : name;
            debugEl.attributes[fullName] = value;
        }
        this.delegate.setAttribute(el, name, value, namespace);
    }
    removeAttribute(el, name, namespace) {
        const debugEl = getDebugNode$1(el);
        if (debugEl && debugEl instanceof DebugElement__PRE_R3__) {
            const fullName = namespace ? namespace + ':' + name : name;
            debugEl.attributes[fullName] = null;
        }
        this.delegate.removeAttribute(el, name, namespace);
    }
    addClass(el, name) {
        const debugEl = getDebugNode$1(el);
        if (debugEl && debugEl instanceof DebugElement__PRE_R3__) {
            debugEl.classes[name] = true;
        }
        this.delegate.addClass(el, name);
    }
    removeClass(el, name) {
        const debugEl = getDebugNode$1(el);
        if (debugEl && debugEl instanceof DebugElement__PRE_R3__) {
            debugEl.classes[name] = false;
        }
        this.delegate.removeClass(el, name);
    }
    setStyle(el, style, value, flags) {
        const debugEl = getDebugNode$1(el);
        if (debugEl && debugEl instanceof DebugElement__PRE_R3__) {
            debugEl.styles[style] = value;
        }
        this.delegate.setStyle(el, style, value, flags);
    }
    removeStyle(el, style, flags) {
        const debugEl = getDebugNode$1(el);
        if (debugEl && debugEl instanceof DebugElement__PRE_R3__) {
            debugEl.styles[style] = null;
        }
        this.delegate.removeStyle(el, style, flags);
    }
    setProperty(el, name, value) {
        const debugEl = getDebugNode$1(el);
        if (debugEl && debugEl instanceof DebugElement__PRE_R3__) {
            debugEl.properties[name] = value;
        }
        this.delegate.setProperty(el, name, value);
    }
    listen(target, eventName, callback) {
        if (typeof target !== 'string') {
            const debugEl = getDebugNode$1(target);
            if (debugEl) {
                debugEl.listeners.push(new DebugEventListener(eventName, callback));
            }
        }
        return this.delegate.listen(target, eventName, callback);
    }
    parentNode(node) {
        return this.delegate.parentNode(node);
    }
    nextSibling(node) {
        return this.delegate.nextSibling(node);
    }
    setValue(node, value) {
        return this.delegate.setValue(node, value);
    }
}

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
function overrideProvider(override) {
    initServicesIfNeeded();
    return Services.overrideProvider(override);
}
function overrideComponentView(comp, componentFactory) {
    initServicesIfNeeded();
    return Services.overrideComponentView(comp, componentFactory);
}
function clearOverrides() {
    initServicesIfNeeded();
    return Services.clearOverrides();
}
// Attention: this function is called as top level function.
// Putting any logic in here will destroy closure tree shaking!
function createNgModuleFactory(ngModuleType, bootstrapComponents, defFactory) {
    return new NgModuleFactory_(ngModuleType, bootstrapComponents, defFactory);
}
function cloneNgModuleDefinition(def) {
    const providers = Array.from(def.providers);
    const modules = Array.from(def.modules);
    const providersByKey = {};
    for (const key in def.providersByKey) {
        providersByKey[key] = def.providersByKey[key];
    }
    return {
        factory: def.factory,
        scope: def.scope,
        providers,
        modules,
        providersByKey,
    };
}
class NgModuleFactory_ extends NgModuleFactory {
    constructor(moduleType, _bootstrapComponents, _ngModuleDefFactory) {
        // Attention: this ctor is called as top level function.
        // Putting any logic in here will destroy closure tree shaking!
        super();
        this.moduleType = moduleType;
        this._bootstrapComponents = _bootstrapComponents;
        this._ngModuleDefFactory = _ngModuleDefFactory;
    }
    create(parentInjector) {
        initServicesIfNeeded();
        // Clone the NgModuleDefinition so that any tree shakeable provider definition
        // added to this instance of the NgModuleRef doesn't affect the cached copy.
        // See https://github.com/angular/angular/issues/25018.
        const def = cloneNgModuleDefinition(resolveDefinition(this._ngModuleDefFactory));
        return Services.createNgModuleRef(this.moduleType, parentInjector || Injector.NULL, this._bootstrapComponents, def);
    }
}

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
/**
 * Compiles a partial directive declaration object into a full directive definition object.
 *
 * @codeGenApi
 */
function ɵɵngDeclareDirective(decl) {
    const compiler = getCompilerFacade({ usage: 1 /* PartialDeclaration */, kind: 'directive', type: decl.type });
    return compiler.compileDirectiveDeclaration(angularCoreEnv, `ng:///${decl.type.name}/ɵfac.js`, decl);
}
/**
 * Evaluates the class metadata declaration.
 *
 * @codeGenApi
 */
function ɵɵngDeclareClassMetadata(decl) {
    var _a, _b;
    setClassMetadata(decl.type, decl.decorators, (_a = decl.ctorParameters) !== null && _a !== void 0 ? _a : null, (_b = decl.propDecorators) !== null && _b !== void 0 ? _b : null);
}
/**
 * Compiles a partial component declaration object into a full component definition object.
 *
 * @codeGenApi
 */
function ɵɵngDeclareComponent(decl) {
    const compiler = getCompilerFacade({ usage: 1 /* PartialDeclaration */, kind: 'component', type: decl.type });
    return compiler.compileComponentDeclaration(angularCoreEnv, `ng:///${decl.type.name}/ɵcmp.js`, decl);
}
/**
 * Compiles a partial pipe declaration object into a full pipe definition object.
 *
 * @codeGenApi
 */
function ɵɵngDeclareFactory(decl) {
    const compiler = getCompilerFacade({
        usage: 1 /* PartialDeclaration */,
        kind: getFactoryKind(decl.target),
        type: decl.type
    });
    return compiler.compileFactoryDeclaration(angularCoreEnv, `ng:///${decl.type.name}/ɵfac.js`, decl);
}
function getFactoryKind(target) {
    switch (target) {
        case FactoryTarget.Directive:
            return 'directive';
        case FactoryTarget.Component:
            return 'component';
        case FactoryTarget.Injectable:
            return 'injectable';
        case FactoryTarget.Pipe:
            return 'pipe';
        case FactoryTarget.NgModule:
            return 'NgModule';
    }
}
/**
 * Compiles a partial injectable declaration object into a full injectable definition object.
 *
 * @codeGenApi
 */
function ɵɵngDeclareInjectable(decl) {
    const compiler = getCompilerFacade({ usage: 1 /* PartialDeclaration */, kind: 'injectable', type: decl.type });
    return compiler.compileInjectableDeclaration(angularCoreEnv, `ng:///${decl.type.name}/ɵprov.js`, decl);
}
/**
 * Compiles a partial injector declaration object into a full injector definition object.
 *
 * @codeGenApi
 */
function ɵɵngDeclareInjector(decl) {
    const compiler = getCompilerFacade({ usage: 1 /* PartialDeclaration */, kind: 'NgModule', type: decl.type });
    return compiler.compileInjectorDeclaration(angularCoreEnv, `ng:///${decl.type.name}/ɵinj.js`, decl);
}
/**
 * Compiles a partial NgModule declaration object into a full NgModule definition object.
 *
 * @codeGenApi
 */
function ɵɵngDeclareNgModule(decl) {
    const compiler = getCompilerFacade({ usage: 1 /* PartialDeclaration */, kind: 'NgModule', type: decl.type });
    return compiler.compileNgModuleDeclaration(angularCoreEnv, `ng:///${decl.type.name}/ɵmod.js`, decl);
}
/**
 * Compiles a partial pipe declaration object into a full pipe definition object.
 *
 * @codeGenApi
 */
function ɵɵngDeclarePipe(decl) {
    const compiler = getCompilerFacade({ usage: 1 /* PartialDeclaration */, kind: 'pipe', type: decl.type });
    return compiler.compilePipeDeclaration(angularCoreEnv, `ng:///${decl.type.name}/ɵpipe.js`, decl);
}

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
// clang-format on

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
if (typeof ngDevMode !== 'undefined' && ngDevMode) {
    // This helper is to give a reasonable error message to people upgrading to v9 that have not yet
    // installed `@angular/localize` in their app.
    // tslint:disable-next-line: no-toplevel-property-access
    _global.$localize = _global.$localize || function () {
        throw new Error('It looks like your application or one of its dependencies is using i18n.\n' +
            'Angular 9 introduced a global `$localize()` function that needs to be loaded.\n' +
            'Please run `ng add @angular/localize` from the Angular CLI.\n' +
            '(For non-CLI projects, add `import \'@angular/localize/init\';` to your `polyfills.ts` file.\n' +
            'For server-side rendering applications add the import to your `main.server.ts` file.)');
    };
}

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
// This file only reexports content of the `src` folder. Keep it that way.

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */

/**
 * Generated bundle index. Do not edit.
 */



//# sourceMappingURL=core.js.map

/***/ }),

/***/ 3679:
/*!********************************************************************!*\
  !*** ./node_modules/@angular/forms/__ivy_ngcc__/fesm2015/forms.js ***!
  \********************************************************************/
/***/ ((__unused_webpack_module, __webpack_exports__, __webpack_require__) => {

"use strict";
__webpack_require__.r(__webpack_exports__);
/* harmony export */ __webpack_require__.d(__webpack_exports__, {
/* harmony export */   "AbstractControl": () => (/* binding */ AbstractControl),
/* harmony export */   "AbstractControlDirective": () => (/* binding */ AbstractControlDirective),
/* harmony export */   "AbstractFormGroupDirective": () => (/* binding */ AbstractFormGroupDirective),
/* harmony export */   "COMPOSITION_BUFFER_MODE": () => (/* binding */ COMPOSITION_BUFFER_MODE),
/* harmony export */   "CheckboxControlValueAccessor": () => (/* binding */ CheckboxControlValueAccessor),
/* harmony export */   "CheckboxRequiredValidator": () => (/* binding */ CheckboxRequiredValidator),
/* harmony export */   "ControlContainer": () => (/* binding */ ControlContainer),
/* harmony export */   "DefaultValueAccessor": () => (/* binding */ DefaultValueAccessor),
/* harmony export */   "EmailValidator": () => (/* binding */ EmailValidator),
/* harmony export */   "FormArray": () => (/* binding */ FormArray),
/* harmony export */   "FormArrayName": () => (/* binding */ FormArrayName),
/* harmony export */   "FormBuilder": () => (/* binding */ FormBuilder),
/* harmony export */   "FormControl": () => (/* binding */ FormControl),
/* harmony export */   "FormControlDirective": () => (/* binding */ FormControlDirective),
/* harmony export */   "FormControlName": () => (/* binding */ FormControlName),
/* harmony export */   "FormGroup": () => (/* binding */ FormGroup),
/* harmony export */   "FormGroupDirective": () => (/* binding */ FormGroupDirective),
/* harmony export */   "FormGroupName": () => (/* binding */ FormGroupName),
/* harmony export */   "FormsModule": () => (/* binding */ FormsModule),
/* harmony export */   "MaxLengthValidator": () => (/* binding */ MaxLengthValidator),
/* harmony export */   "MaxValidator": () => (/* binding */ MaxValidator),
/* harmony export */   "MinLengthValidator": () => (/* binding */ MinLengthValidator),
/* harmony export */   "MinValidator": () => (/* binding */ MinValidator),
/* harmony export */   "NG_ASYNC_VALIDATORS": () => (/* binding */ NG_ASYNC_VALIDATORS),
/* harmony export */   "NG_VALIDATORS": () => (/* binding */ NG_VALIDATORS),
/* harmony export */   "NG_VALUE_ACCESSOR": () => (/* binding */ NG_VALUE_ACCESSOR),
/* harmony export */   "NgControl": () => (/* binding */ NgControl),
/* harmony export */   "NgControlStatus": () => (/* binding */ NgControlStatus),
/* harmony export */   "NgControlStatusGroup": () => (/* binding */ NgControlStatusGroup),
/* harmony export */   "NgForm": () => (/* binding */ NgForm),
/* harmony export */   "NgModel": () => (/* binding */ NgModel),
/* harmony export */   "NgModelGroup": () => (/* binding */ NgModelGroup),
/* harmony export */   "NgSelectOption": () => (/* binding */ NgSelectOption),
/* harmony export */   "NumberValueAccessor": () => (/* binding */ NumberValueAccessor),
/* harmony export */   "PatternValidator": () => (/* binding */ PatternValidator),
/* harmony export */   "RadioControlValueAccessor": () => (/* binding */ RadioControlValueAccessor),
/* harmony export */   "RangeValueAccessor": () => (/* binding */ RangeValueAccessor),
/* harmony export */   "ReactiveFormsModule": () => (/* binding */ ReactiveFormsModule),
/* harmony export */   "RequiredValidator": () => (/* binding */ RequiredValidator),
/* harmony export */   "SelectControlValueAccessor": () => (/* binding */ SelectControlValueAccessor),
/* harmony export */   "SelectMultipleControlValueAccessor": () => (/* binding */ SelectMultipleControlValueAccessor),
/* harmony export */   "VERSION": () => (/* binding */ VERSION),
/* harmony export */   "Validators": () => (/* binding */ Validators),
/* harmony export */   "ɵInternalFormsSharedModule": () => (/* binding */ ɵInternalFormsSharedModule),
/* harmony export */   "ɵNgNoValidate": () => (/* binding */ ɵNgNoValidate),
/* harmony export */   "ɵNgSelectMultipleOption": () => (/* binding */ ɵNgSelectMultipleOption),
/* harmony export */   "ɵangular_packages_forms_forms_a": () => (/* binding */ SHARED_FORM_DIRECTIVES),
/* harmony export */   "ɵangular_packages_forms_forms_b": () => (/* binding */ TEMPLATE_DRIVEN_DIRECTIVES),
/* harmony export */   "ɵangular_packages_forms_forms_ba": () => (/* binding */ SELECT_MULTIPLE_VALUE_ACCESSOR),
/* harmony export */   "ɵangular_packages_forms_forms_bb": () => (/* binding */ ɵNgSelectMultipleOption),
/* harmony export */   "ɵangular_packages_forms_forms_bc": () => (/* binding */ ɵNgNoValidate),
/* harmony export */   "ɵangular_packages_forms_forms_bd": () => (/* binding */ MAX_VALIDATOR),
/* harmony export */   "ɵangular_packages_forms_forms_be": () => (/* binding */ MIN_VALIDATOR),
/* harmony export */   "ɵangular_packages_forms_forms_bf": () => (/* binding */ REQUIRED_VALIDATOR),
/* harmony export */   "ɵangular_packages_forms_forms_bg": () => (/* binding */ CHECKBOX_REQUIRED_VALIDATOR),
/* harmony export */   "ɵangular_packages_forms_forms_bh": () => (/* binding */ EMAIL_VALIDATOR),
/* harmony export */   "ɵangular_packages_forms_forms_bi": () => (/* binding */ MIN_LENGTH_VALIDATOR),
/* harmony export */   "ɵangular_packages_forms_forms_bj": () => (/* binding */ MAX_LENGTH_VALIDATOR),
/* harmony export */   "ɵangular_packages_forms_forms_bk": () => (/* binding */ PATTERN_VALIDATOR),
/* harmony export */   "ɵangular_packages_forms_forms_bl": () => (/* binding */ minValidator),
/* harmony export */   "ɵangular_packages_forms_forms_bm": () => (/* binding */ maxValidator),
/* harmony export */   "ɵangular_packages_forms_forms_bn": () => (/* binding */ requiredValidator),
/* harmony export */   "ɵangular_packages_forms_forms_bo": () => (/* binding */ requiredTrueValidator),
/* harmony export */   "ɵangular_packages_forms_forms_bp": () => (/* binding */ emailValidator),
/* harmony export */   "ɵangular_packages_forms_forms_bq": () => (/* binding */ minLengthValidator),
/* harmony export */   "ɵangular_packages_forms_forms_br": () => (/* binding */ maxLengthValidator),
/* harmony export */   "ɵangular_packages_forms_forms_bs": () => (/* binding */ patternValidator),
/* harmony export */   "ɵangular_packages_forms_forms_bt": () => (/* binding */ nullValidator),
/* harmony export */   "ɵangular_packages_forms_forms_c": () => (/* binding */ REACTIVE_DRIVEN_DIRECTIVES),
/* harmony export */   "ɵangular_packages_forms_forms_d": () => (/* binding */ ɵInternalFormsSharedModule),
/* harmony export */   "ɵangular_packages_forms_forms_e": () => (/* binding */ CHECKBOX_VALUE_ACCESSOR),
/* harmony export */   "ɵangular_packages_forms_forms_f": () => (/* binding */ BaseControlValueAccessor),
/* harmony export */   "ɵangular_packages_forms_forms_g": () => (/* binding */ BuiltInControlValueAccessor),
/* harmony export */   "ɵangular_packages_forms_forms_h": () => (/* binding */ DEFAULT_VALUE_ACCESSOR),
/* harmony export */   "ɵangular_packages_forms_forms_i": () => (/* binding */ AbstractControlStatus),
/* harmony export */   "ɵangular_packages_forms_forms_j": () => (/* binding */ ngControlStatusHost),
/* harmony export */   "ɵangular_packages_forms_forms_k": () => (/* binding */ ngGroupStatusHost),
/* harmony export */   "ɵangular_packages_forms_forms_l": () => (/* binding */ formDirectiveProvider),
/* harmony export */   "ɵangular_packages_forms_forms_m": () => (/* binding */ formControlBinding),
/* harmony export */   "ɵangular_packages_forms_forms_n": () => (/* binding */ modelGroupProvider),
/* harmony export */   "ɵangular_packages_forms_forms_o": () => (/* binding */ NUMBER_VALUE_ACCESSOR),
/* harmony export */   "ɵangular_packages_forms_forms_p": () => (/* binding */ RADIO_VALUE_ACCESSOR),
/* harmony export */   "ɵangular_packages_forms_forms_q": () => (/* binding */ RadioControlRegistryModule),
/* harmony export */   "ɵangular_packages_forms_forms_r": () => (/* binding */ RadioControlRegistry),
/* harmony export */   "ɵangular_packages_forms_forms_s": () => (/* binding */ RANGE_VALUE_ACCESSOR),
/* harmony export */   "ɵangular_packages_forms_forms_t": () => (/* binding */ NG_MODEL_WITH_FORM_CONTROL_WARNING),
/* harmony export */   "ɵangular_packages_forms_forms_u": () => (/* binding */ formControlBinding$1),
/* harmony export */   "ɵangular_packages_forms_forms_v": () => (/* binding */ controlNameBinding),
/* harmony export */   "ɵangular_packages_forms_forms_w": () => (/* binding */ formDirectiveProvider$1),
/* harmony export */   "ɵangular_packages_forms_forms_x": () => (/* binding */ formGroupNameProvider),
/* harmony export */   "ɵangular_packages_forms_forms_y": () => (/* binding */ formArrayNameProvider),
/* harmony export */   "ɵangular_packages_forms_forms_z": () => (/* binding */ SELECT_VALUE_ACCESSOR)
/* harmony export */ });
/* harmony import */ var _angular_core__WEBPACK_IMPORTED_MODULE_0__ = __webpack_require__(/*! @angular/core */ 7716);
/* harmony import */ var _angular_common__WEBPACK_IMPORTED_MODULE_1__ = __webpack_require__(/*! @angular/common */ 8583);
/* harmony import */ var rxjs__WEBPACK_IMPORTED_MODULE_2__ = __webpack_require__(/*! rxjs */ 9412);
/* harmony import */ var rxjs__WEBPACK_IMPORTED_MODULE_3__ = __webpack_require__(/*! rxjs */ 5758);
/* harmony import */ var rxjs_operators__WEBPACK_IMPORTED_MODULE_4__ = __webpack_require__(/*! rxjs/operators */ 8002);
/**
 * @license Angular v12.1.5
 * (c) 2010-2021 Google LLC. https://angular.io/
 * License: MIT
 */






/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
/**
 * Base class for all ControlValueAccessor classes defined in Forms package.
 * Contains common logic and utility functions.
 *
 * Note: this is an *internal-only* class and should not be extended or used directly in
 * applications code.
 */

class BaseControlValueAccessor {
    constructor(_renderer, _elementRef) {
        this._renderer = _renderer;
        this._elementRef = _elementRef;
        /**
         * The registered callback function called when a change or input event occurs on the input
         * element.
         * @nodoc
         */
        this.onChange = (_) => { };
        /**
         * The registered callback function called when a blur event occurs on the input element.
         * @nodoc
         */
        this.onTouched = () => { };
    }
    /**
     * Helper method that sets a property on a target element using the current Renderer
     * implementation.
     * @nodoc
     */
    setProperty(key, value) {
        this._renderer.setProperty(this._elementRef.nativeElement, key, value);
    }
    /**
     * Registers a function called when the control is touched.
     * @nodoc
     */
    registerOnTouched(fn) {
        this.onTouched = fn;
    }
    /**
     * Registers a function called when the control value changes.
     * @nodoc
     */
    registerOnChange(fn) {
        this.onChange = fn;
    }
    /**
     * Sets the "disabled" property on the range input element.
     * @nodoc
     */
    setDisabledState(isDisabled) {
        this.setProperty('disabled', isDisabled);
    }
}
BaseControlValueAccessor.ɵfac = function BaseControlValueAccessor_Factory(t) { return new (t || BaseControlValueAccessor)(_angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵɵdirectiveInject"](_angular_core__WEBPACK_IMPORTED_MODULE_0__.Renderer2), _angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵɵdirectiveInject"](_angular_core__WEBPACK_IMPORTED_MODULE_0__.ElementRef)); };
BaseControlValueAccessor.ɵdir = /*@__PURE__*/ _angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵɵdefineDirective"]({ type: BaseControlValueAccessor });
BaseControlValueAccessor.ctorParameters = () => [
    { type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Renderer2 },
    { type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.ElementRef }
];
(function () { (typeof ngDevMode === "undefined" || ngDevMode) && _angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵsetClassMetadata"](BaseControlValueAccessor, [{
        type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Directive
    }], function () { return [{ type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Renderer2 }, { type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.ElementRef }]; }, null); })();
/**
 * Base class for all built-in ControlValueAccessor classes (except DefaultValueAccessor, which is
 * used in case no other CVAs can be found). We use this class to distinguish between default CVA,
 * built-in CVAs and custom CVAs, so that Forms logic can recognize built-in CVAs and treat custom
 * ones with higher priority (when both built-in and custom CVAs are present).
 *
 * Note: this is an *internal-only* class and should not be extended or used directly in
 * applications code.
 */
class BuiltInControlValueAccessor extends BaseControlValueAccessor {
}
BuiltInControlValueAccessor.ɵfac = /*@__PURE__*/ function () { let ɵBuiltInControlValueAccessor_BaseFactory; return function BuiltInControlValueAccessor_Factory(t) { return (ɵBuiltInControlValueAccessor_BaseFactory || (ɵBuiltInControlValueAccessor_BaseFactory = _angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵɵgetInheritedFactory"](BuiltInControlValueAccessor)))(t || BuiltInControlValueAccessor); }; }();
BuiltInControlValueAccessor.ɵdir = /*@__PURE__*/ _angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵɵdefineDirective"]({ type: BuiltInControlValueAccessor, features: [_angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵɵInheritDefinitionFeature"]] });
(function () { (typeof ngDevMode === "undefined" || ngDevMode) && _angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵsetClassMetadata"](BuiltInControlValueAccessor, [{
        type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Directive
    }], null, null); })();
/**
 * Used to provide a `ControlValueAccessor` for form controls.
 *
 * See `DefaultValueAccessor` for how to implement one.
 *
 * @publicApi
 */
const NG_VALUE_ACCESSOR = new _angular_core__WEBPACK_IMPORTED_MODULE_0__.InjectionToken('NgValueAccessor');

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
const CHECKBOX_VALUE_ACCESSOR = {
    provide: NG_VALUE_ACCESSOR,
    useExisting: (0,_angular_core__WEBPACK_IMPORTED_MODULE_0__.forwardRef)(() => CheckboxControlValueAccessor),
    multi: true,
};
/**
 * @description
 * A `ControlValueAccessor` for writing a value and listening to changes on a checkbox input
 * element.
 *
 * @usageNotes
 *
 * ### Using a checkbox with a reactive form.
 *
 * The following example shows how to use a checkbox with a reactive form.
 *
 * ```ts
 * const rememberLoginControl = new FormControl();
 * ```
 *
 * ```
 * <input type="checkbox" [formControl]="rememberLoginControl">
 * ```
 *
 * @ngModule ReactiveFormsModule
 * @ngModule FormsModule
 * @publicApi
 */
class CheckboxControlValueAccessor extends BuiltInControlValueAccessor {
    /**
     * Sets the "checked" property on the input element.
     * @nodoc
     */
    writeValue(value) {
        this.setProperty('checked', value);
    }
}
CheckboxControlValueAccessor.ɵfac = /*@__PURE__*/ function () { let ɵCheckboxControlValueAccessor_BaseFactory; return function CheckboxControlValueAccessor_Factory(t) { return (ɵCheckboxControlValueAccessor_BaseFactory || (ɵCheckboxControlValueAccessor_BaseFactory = _angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵɵgetInheritedFactory"](CheckboxControlValueAccessor)))(t || CheckboxControlValueAccessor); }; }();
CheckboxControlValueAccessor.ɵdir = /*@__PURE__*/ _angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵɵdefineDirective"]({ type: CheckboxControlValueAccessor, selectors: [["input", "type", "checkbox", "formControlName", ""], ["input", "type", "checkbox", "formControl", ""], ["input", "type", "checkbox", "ngModel", ""]], hostBindings: function CheckboxControlValueAccessor_HostBindings(rf, ctx) { if (rf & 1) {
        _angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵɵlistener"]("change", function CheckboxControlValueAccessor_change_HostBindingHandler($event) { return ctx.onChange($event.target.checked); })("blur", function CheckboxControlValueAccessor_blur_HostBindingHandler() { return ctx.onTouched(); });
    } }, features: [_angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵɵProvidersFeature"]([CHECKBOX_VALUE_ACCESSOR]), _angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵɵInheritDefinitionFeature"]] });
(function () { (typeof ngDevMode === "undefined" || ngDevMode) && _angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵsetClassMetadata"](CheckboxControlValueAccessor, [{
        type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Directive,
        args: [{
                selector: 'input[type=checkbox][formControlName],input[type=checkbox][formControl],input[type=checkbox][ngModel]',
                host: { '(change)': 'onChange($event.target.checked)', '(blur)': 'onTouched()' },
                providers: [CHECKBOX_VALUE_ACCESSOR]
            }]
    }], null, null); })();

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
const DEFAULT_VALUE_ACCESSOR = {
    provide: NG_VALUE_ACCESSOR,
    useExisting: (0,_angular_core__WEBPACK_IMPORTED_MODULE_0__.forwardRef)(() => DefaultValueAccessor),
    multi: true
};
/**
 * We must check whether the agent is Android because composition events
 * behave differently between iOS and Android.
 */
function _isAndroid() {
    const userAgent = (0,_angular_common__WEBPACK_IMPORTED_MODULE_1__["ɵgetDOM"])() ? (0,_angular_common__WEBPACK_IMPORTED_MODULE_1__["ɵgetDOM"])().getUserAgent() : '';
    return /android (\d+)/.test(userAgent.toLowerCase());
}
/**
 * @description
 * Provide this token to control if form directives buffer IME input until
 * the "compositionend" event occurs.
 * @publicApi
 */
const COMPOSITION_BUFFER_MODE = new _angular_core__WEBPACK_IMPORTED_MODULE_0__.InjectionToken('CompositionEventMode');
/**
 * The default `ControlValueAccessor` for writing a value and listening to changes on input
 * elements. The accessor is used by the `FormControlDirective`, `FormControlName`, and
 * `NgModel` directives.
 *
 * {@searchKeywords ngDefaultControl}
 *
 * @usageNotes
 *
 * ### Using the default value accessor
 *
 * The following example shows how to use an input element that activates the default value accessor
 * (in this case, a text field).
 *
 * ```ts
 * const firstNameControl = new FormControl();
 * ```
 *
 * ```
 * <input type="text" [formControl]="firstNameControl">
 * ```
 *
 * This value accessor is used by default for `<input type="text">` and `<textarea>` elements, but
 * you could also use it for custom components that have similar behavior and do not require special
 * processing. In order to attach the default value accessor to a custom element, add the
 * `ngDefaultControl` attribute as shown below.
 *
 * ```
 * <custom-input-component ngDefaultControl [(ngModel)]="value"></custom-input-component>
 * ```
 *
 * @ngModule ReactiveFormsModule
 * @ngModule FormsModule
 * @publicApi
 */
class DefaultValueAccessor extends BaseControlValueAccessor {
    constructor(renderer, elementRef, _compositionMode) {
        super(renderer, elementRef);
        this._compositionMode = _compositionMode;
        /** Whether the user is creating a composition string (IME events). */
        this._composing = false;
        if (this._compositionMode == null) {
            this._compositionMode = !_isAndroid();
        }
    }
    /**
     * Sets the "value" property on the input element.
     * @nodoc
     */
    writeValue(value) {
        const normalizedValue = value == null ? '' : value;
        this.setProperty('value', normalizedValue);
    }
    /** @internal */
    _handleInput(value) {
        if (!this._compositionMode || (this._compositionMode && !this._composing)) {
            this.onChange(value);
        }
    }
    /** @internal */
    _compositionStart() {
        this._composing = true;
    }
    /** @internal */
    _compositionEnd(value) {
        this._composing = false;
        this._compositionMode && this.onChange(value);
    }
}
DefaultValueAccessor.ɵfac = function DefaultValueAccessor_Factory(t) { return new (t || DefaultValueAccessor)(_angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵɵdirectiveInject"](_angular_core__WEBPACK_IMPORTED_MODULE_0__.Renderer2), _angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵɵdirectiveInject"](_angular_core__WEBPACK_IMPORTED_MODULE_0__.ElementRef), _angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵɵdirectiveInject"](COMPOSITION_BUFFER_MODE, 8)); };
DefaultValueAccessor.ɵdir = /*@__PURE__*/ _angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵɵdefineDirective"]({ type: DefaultValueAccessor, selectors: [["input", "formControlName", "", 3, "type", "checkbox"], ["textarea", "formControlName", ""], ["input", "formControl", "", 3, "type", "checkbox"], ["textarea", "formControl", ""], ["input", "ngModel", "", 3, "type", "checkbox"], ["textarea", "ngModel", ""], ["", "ngDefaultControl", ""]], hostBindings: function DefaultValueAccessor_HostBindings(rf, ctx) { if (rf & 1) {
        _angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵɵlistener"]("input", function DefaultValueAccessor_input_HostBindingHandler($event) { return ctx._handleInput($event.target.value); })("blur", function DefaultValueAccessor_blur_HostBindingHandler() { return ctx.onTouched(); })("compositionstart", function DefaultValueAccessor_compositionstart_HostBindingHandler() { return ctx._compositionStart(); })("compositionend", function DefaultValueAccessor_compositionend_HostBindingHandler($event) { return ctx._compositionEnd($event.target.value); });
    } }, features: [_angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵɵProvidersFeature"]([DEFAULT_VALUE_ACCESSOR]), _angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵɵInheritDefinitionFeature"]] });
DefaultValueAccessor.ctorParameters = () => [
    { type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Renderer2 },
    { type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.ElementRef },
    { type: Boolean, decorators: [{ type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Optional }, { type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Inject, args: [COMPOSITION_BUFFER_MODE,] }] }
];
(function () { (typeof ngDevMode === "undefined" || ngDevMode) && _angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵsetClassMetadata"](DefaultValueAccessor, [{
        type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Directive,
        args: [{
                selector: 'input:not([type=checkbox])[formControlName],textarea[formControlName],input:not([type=checkbox])[formControl],textarea[formControl],input:not([type=checkbox])[ngModel],textarea[ngModel],[ngDefaultControl]',
                // TODO: vsavkin replace the above selector with the one below it once
                // https://github.com/angular/angular/issues/3011 is implemented
                // selector: '[ngModel],[formControl],[formControlName]',
                host: {
                    '(input)': '$any(this)._handleInput($event.target.value)',
                    '(blur)': 'onTouched()',
                    '(compositionstart)': '$any(this)._compositionStart()',
                    '(compositionend)': '$any(this)._compositionEnd($event.target.value)'
                },
                providers: [DEFAULT_VALUE_ACCESSOR]
            }]
    }], function () { return [{ type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Renderer2 }, { type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.ElementRef }, { type: Boolean, decorators: [{
                type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Optional
            }, {
                type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Inject,
                args: [COMPOSITION_BUFFER_MODE]
            }] }]; }, null); })();

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
function isEmptyInputValue(value) {
    // we don't check for string here so it also works with arrays
    return value == null || value.length === 0;
}
function hasValidLength(value) {
    // non-strict comparison is intentional, to check for both `null` and `undefined` values
    return value != null && typeof value.length === 'number';
}
/**
 * @description
 * An `InjectionToken` for registering additional synchronous validators used with
 * `AbstractControl`s.
 *
 * @see `NG_ASYNC_VALIDATORS`
 *
 * @usageNotes
 *
 * ### Providing a custom validator
 *
 * The following example registers a custom validator directive. Adding the validator to the
 * existing collection of validators requires the `multi: true` option.
 *
 * ```typescript
 * @Directive({
 *   selector: '[customValidator]',
 *   providers: [{provide: NG_VALIDATORS, useExisting: CustomValidatorDirective, multi: true}]
 * })
 * class CustomValidatorDirective implements Validator {
 *   validate(control: AbstractControl): ValidationErrors | null {
 *     return { 'custom': true };
 *   }
 * }
 * ```
 *
 * @publicApi
 */
const NG_VALIDATORS = new _angular_core__WEBPACK_IMPORTED_MODULE_0__.InjectionToken('NgValidators');
/**
 * @description
 * An `InjectionToken` for registering additional asynchronous validators used with
 * `AbstractControl`s.
 *
 * @see `NG_VALIDATORS`
 *
 * @publicApi
 */
const NG_ASYNC_VALIDATORS = new _angular_core__WEBPACK_IMPORTED_MODULE_0__.InjectionToken('NgAsyncValidators');
/**
 * A regular expression that matches valid e-mail addresses.
 *
 * At a high level, this regexp matches e-mail addresses of the format `local-part@tld`, where:
 * - `local-part` consists of one or more of the allowed characters (alphanumeric and some
 *   punctuation symbols).
 * - `local-part` cannot begin or end with a period (`.`).
 * - `local-part` cannot be longer than 64 characters.
 * - `tld` consists of one or more `labels` separated by periods (`.`). For example `localhost` or
 *   `foo.com`.
 * - A `label` consists of one or more of the allowed characters (alphanumeric, dashes (`-`) and
 *   periods (`.`)).
 * - A `label` cannot begin or end with a dash (`-`) or a period (`.`).
 * - A `label` cannot be longer than 63 characters.
 * - The whole address cannot be longer than 254 characters.
 *
 * ## Implementation background
 *
 * This regexp was ported over from AngularJS (see there for git history):
 * https://github.com/angular/angular.js/blob/c133ef836/src/ng/directive/input.js#L27
 * It is based on the
 * [WHATWG version](https://html.spec.whatwg.org/multipage/input.html#valid-e-mail-address) with
 * some enhancements to incorporate more RFC rules (such as rules related to domain names and the
 * lengths of different parts of the address). The main differences from the WHATWG version are:
 *   - Disallow `local-part` to begin or end with a period (`.`).
 *   - Disallow `local-part` length to exceed 64 characters.
 *   - Disallow total address length to exceed 254 characters.
 *
 * See [this commit](https://github.com/angular/angular.js/commit/f3f5cf72e) for more details.
 */
const EMAIL_REGEXP = /^(?=.{1,254}$)(?=.{1,64}@)[a-zA-Z0-9!#$%&'*+/=?^_`{|}~-]+(?:\.[a-zA-Z0-9!#$%&'*+/=?^_`{|}~-]+)*@[a-zA-Z0-9](?:[a-zA-Z0-9-]{0,61}[a-zA-Z0-9])?(?:\.[a-zA-Z0-9](?:[a-zA-Z0-9-]{0,61}[a-zA-Z0-9])?)*$/;
/**
 * @description
 * Provides a set of built-in validators that can be used by form controls.
 *
 * A validator is a function that processes a `FormControl` or collection of
 * controls and returns an error map or null. A null map means that validation has passed.
 *
 * @see [Form Validation](/guide/form-validation)
 *
 * @publicApi
 */
class Validators {
    /**
     * @description
     * Validator that requires the control's value to be greater than or equal to the provided number.
     *
     * @usageNotes
     *
     * ### Validate against a minimum of 3
     *
     * ```typescript
     * const control = new FormControl(2, Validators.min(3));
     *
     * console.log(control.errors); // {min: {min: 3, actual: 2}}
     * ```
     *
     * @returns A validator function that returns an error map with the
     * `min` property if the validation check fails, otherwise `null`.
     *
     * @see `updateValueAndValidity()`
     *
     */
    static min(min) {
        return minValidator(min);
    }
    /**
     * @description
     * Validator that requires the control's value to be less than or equal to the provided number.
     *
     * @usageNotes
     *
     * ### Validate against a maximum of 15
     *
     * ```typescript
     * const control = new FormControl(16, Validators.max(15));
     *
     * console.log(control.errors); // {max: {max: 15, actual: 16}}
     * ```
     *
     * @returns A validator function that returns an error map with the
     * `max` property if the validation check fails, otherwise `null`.
     *
     * @see `updateValueAndValidity()`
     *
     */
    static max(max) {
        return maxValidator(max);
    }
    /**
     * @description
     * Validator that requires the control have a non-empty value.
     *
     * @usageNotes
     *
     * ### Validate that the field is non-empty
     *
     * ```typescript
     * const control = new FormControl('', Validators.required);
     *
     * console.log(control.errors); // {required: true}
     * ```
     *
     * @returns An error map with the `required` property
     * if the validation check fails, otherwise `null`.
     *
     * @see `updateValueAndValidity()`
     *
     */
    static required(control) {
        return requiredValidator(control);
    }
    /**
     * @description
     * Validator that requires the control's value be true. This validator is commonly
     * used for required checkboxes.
     *
     * @usageNotes
     *
     * ### Validate that the field value is true
     *
     * ```typescript
     * const control = new FormControl('', Validators.requiredTrue);
     *
     * console.log(control.errors); // {required: true}
     * ```
     *
     * @returns An error map that contains the `required` property
     * set to `true` if the validation check fails, otherwise `null`.
     *
     * @see `updateValueAndValidity()`
     *
     */
    static requiredTrue(control) {
        return requiredTrueValidator(control);
    }
    /**
     * @description
     * Validator that requires the control's value pass an email validation test.
     *
     * Tests the value using a [regular
     * expression](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Guide/Regular_Expressions)
     * pattern suitable for common usecases. The pattern is based on the definition of a valid email
     * address in the [WHATWG HTML
     * specification](https://html.spec.whatwg.org/multipage/input.html#valid-e-mail-address) with
     * some enhancements to incorporate more RFC rules (such as rules related to domain names and the
     * lengths of different parts of the address).
     *
     * The differences from the WHATWG version include:
     * - Disallow `local-part` (the part before the `@` symbol) to begin or end with a period (`.`).
     * - Disallow `local-part` to be longer than 64 characters.
     * - Disallow the whole address to be longer than 254 characters.
     *
     * If this pattern does not satisfy your business needs, you can use `Validators.pattern()` to
     * validate the value against a different pattern.
     *
     * @usageNotes
     *
     * ### Validate that the field matches a valid email pattern
     *
     * ```typescript
     * const control = new FormControl('bad@', Validators.email);
     *
     * console.log(control.errors); // {email: true}
     * ```
     *
     * @returns An error map with the `email` property
     * if the validation check fails, otherwise `null`.
     *
     * @see `updateValueAndValidity()`
     *
     */
    static email(control) {
        return emailValidator(control);
    }
    /**
     * @description
     * Validator that requires the length of the control's value to be greater than or equal
     * to the provided minimum length. This validator is also provided by default if you use the
     * the HTML5 `minlength` attribute. Note that the `minLength` validator is intended to be used
     * only for types that have a numeric `length` property, such as strings or arrays. The
     * `minLength` validator logic is also not invoked for values when their `length` property is 0
     * (for example in case of an empty string or an empty array), to support optional controls. You
     * can use the standard `required` validator if empty values should not be considered valid.
     *
     * @usageNotes
     *
     * ### Validate that the field has a minimum of 3 characters
     *
     * ```typescript
     * const control = new FormControl('ng', Validators.minLength(3));
     *
     * console.log(control.errors); // {minlength: {requiredLength: 3, actualLength: 2}}
     * ```
     *
     * ```html
     * <input minlength="5">
     * ```
     *
     * @returns A validator function that returns an error map with the
     * `minlength` property if the validation check fails, otherwise `null`.
     *
     * @see `updateValueAndValidity()`
     *
     */
    static minLength(minLength) {
        return minLengthValidator(minLength);
    }
    /**
     * @description
     * Validator that requires the length of the control's value to be less than or equal
     * to the provided maximum length. This validator is also provided by default if you use the
     * the HTML5 `maxlength` attribute. Note that the `maxLength` validator is intended to be used
     * only for types that have a numeric `length` property, such as strings or arrays.
     *
     * @usageNotes
     *
     * ### Validate that the field has maximum of 5 characters
     *
     * ```typescript
     * const control = new FormControl('Angular', Validators.maxLength(5));
     *
     * console.log(control.errors); // {maxlength: {requiredLength: 5, actualLength: 7}}
     * ```
     *
     * ```html
     * <input maxlength="5">
     * ```
     *
     * @returns A validator function that returns an error map with the
     * `maxlength` property if the validation check fails, otherwise `null`.
     *
     * @see `updateValueAndValidity()`
     *
     */
    static maxLength(maxLength) {
        return maxLengthValidator(maxLength);
    }
    /**
     * @description
     * Validator that requires the control's value to match a regex pattern. This validator is also
     * provided by default if you use the HTML5 `pattern` attribute.
     *
     * @usageNotes
     *
     * ### Validate that the field only contains letters or spaces
     *
     * ```typescript
     * const control = new FormControl('1', Validators.pattern('[a-zA-Z ]*'));
     *
     * console.log(control.errors); // {pattern: {requiredPattern: '^[a-zA-Z ]*$', actualValue: '1'}}
     * ```
     *
     * ```html
     * <input pattern="[a-zA-Z ]*">
     * ```
     *
     * ### Pattern matching with the global or sticky flag
     *
     * `RegExp` objects created with the `g` or `y` flags that are passed into `Validators.pattern`
     * can produce different results on the same input when validations are run consecutively. This is
     * due to how the behavior of `RegExp.prototype.test` is
     * specified in [ECMA-262](https://tc39.es/ecma262/#sec-regexpbuiltinexec)
     * (`RegExp` preserves the index of the last match when the global or sticky flag is used).
     * Due to this behavior, it is recommended that when using
     * `Validators.pattern` you **do not** pass in a `RegExp` object with either the global or sticky
     * flag enabled.
     *
     * ```typescript
     * // Not recommended (since the `g` flag is used)
     * const controlOne = new FormControl('1', Validators.pattern(/foo/g));
     *
     * // Good
     * const controlTwo = new FormControl('1', Validators.pattern(/foo/));
     * ```
     *
     * @param pattern A regular expression to be used as is to test the values, or a string.
     * If a string is passed, the `^` character is prepended and the `$` character is
     * appended to the provided string (if not already present), and the resulting regular
     * expression is used to test the values.
     *
     * @returns A validator function that returns an error map with the
     * `pattern` property if the validation check fails, otherwise `null`.
     *
     * @see `updateValueAndValidity()`
     *
     */
    static pattern(pattern) {
        return patternValidator(pattern);
    }
    /**
     * @description
     * Validator that performs no operation.
     *
     * @see `updateValueAndValidity()`
     *
     */
    static nullValidator(control) {
        return nullValidator(control);
    }
    static compose(validators) {
        return compose(validators);
    }
    /**
     * @description
     * Compose multiple async validators into a single function that returns the union
     * of the individual error objects for the provided control.
     *
     * @returns A validator function that returns an error map with the
     * merged error objects of the async validators if the validation check fails, otherwise `null`.
     *
     * @see `updateValueAndValidity()`
     *
     */
    static composeAsync(validators) {
        return composeAsync(validators);
    }
}
/**
 * Validator that requires the control's value to be greater than or equal to the provided number.
 * See `Validators.min` for additional information.
 */
function minValidator(min) {
    return (control) => {
        if (isEmptyInputValue(control.value) || isEmptyInputValue(min)) {
            return null; // don't validate empty values to allow optional controls
        }
        const value = parseFloat(control.value);
        // Controls with NaN values after parsing should be treated as not having a
        // minimum, per the HTML forms spec: https://www.w3.org/TR/html5/forms.html#attr-input-min
        return !isNaN(value) && value < min ? { 'min': { 'min': min, 'actual': control.value } } : null;
    };
}
/**
 * Validator that requires the control's value to be less than or equal to the provided number.
 * See `Validators.max` for additional information.
 */
function maxValidator(max) {
    return (control) => {
        if (isEmptyInputValue(control.value) || isEmptyInputValue(max)) {
            return null; // don't validate empty values to allow optional controls
        }
        const value = parseFloat(control.value);
        // Controls with NaN values after parsing should be treated as not having a
        // maximum, per the HTML forms spec: https://www.w3.org/TR/html5/forms.html#attr-input-max
        return !isNaN(value) && value > max ? { 'max': { 'max': max, 'actual': control.value } } : null;
    };
}
/**
 * Validator that requires the control have a non-empty value.
 * See `Validators.required` for additional information.
 */
function requiredValidator(control) {
    return isEmptyInputValue(control.value) ? { 'required': true } : null;
}
/**
 * Validator that requires the control's value be true. This validator is commonly
 * used for required checkboxes.
 * See `Validators.requiredTrue` for additional information.
 */
function requiredTrueValidator(control) {
    return control.value === true ? null : { 'required': true };
}
/**
 * Validator that requires the control's value pass an email validation test.
 * See `Validators.email` for additional information.
 */
function emailValidator(control) {
    if (isEmptyInputValue(control.value)) {
        return null; // don't validate empty values to allow optional controls
    }
    return EMAIL_REGEXP.test(control.value) ? null : { 'email': true };
}
/**
 * Validator that requires the length of the control's value to be greater than or equal
 * to the provided minimum length. See `Validators.minLength` for additional information.
 */
function minLengthValidator(minLength) {
    return (control) => {
        if (isEmptyInputValue(control.value) || !hasValidLength(control.value)) {
            // don't validate empty values to allow optional controls
            // don't validate values without `length` property
            return null;
        }
        return control.value.length < minLength ?
            { 'minlength': { 'requiredLength': minLength, 'actualLength': control.value.length } } :
            null;
    };
}
/**
 * Validator that requires the length of the control's value to be less than or equal
 * to the provided maximum length. See `Validators.maxLength` for additional information.
 */
function maxLengthValidator(maxLength) {
    return (control) => {
        return hasValidLength(control.value) && control.value.length > maxLength ?
            { 'maxlength': { 'requiredLength': maxLength, 'actualLength': control.value.length } } :
            null;
    };
}
/**
 * Validator that requires the control's value to match a regex pattern.
 * See `Validators.pattern` for additional information.
 */
function patternValidator(pattern) {
    if (!pattern)
        return nullValidator;
    let regex;
    let regexStr;
    if (typeof pattern === 'string') {
        regexStr = '';
        if (pattern.charAt(0) !== '^')
            regexStr += '^';
        regexStr += pattern;
        if (pattern.charAt(pattern.length - 1) !== '$')
            regexStr += '$';
        regex = new RegExp(regexStr);
    }
    else {
        regexStr = pattern.toString();
        regex = pattern;
    }
    return (control) => {
        if (isEmptyInputValue(control.value)) {
            return null; // don't validate empty values to allow optional controls
        }
        const value = control.value;
        return regex.test(value) ? null :
            { 'pattern': { 'requiredPattern': regexStr, 'actualValue': value } };
    };
}
/**
 * Function that has `ValidatorFn` shape, but performs no operation.
 */
function nullValidator(control) {
    return null;
}
function isPresent(o) {
    return o != null;
}
function toObservable(r) {
    const obs = (0,_angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵisPromise"])(r) ? (0,rxjs__WEBPACK_IMPORTED_MODULE_2__.from)(r) : r;
    if (!((0,_angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵisObservable"])(obs)) && (typeof ngDevMode === 'undefined' || ngDevMode)) {
        throw new Error(`Expected validator to return Promise or Observable.`);
    }
    return obs;
}
function mergeErrors(arrayOfErrors) {
    let res = {};
    // Not using Array.reduce here due to a Chrome 80 bug
    // https://bugs.chromium.org/p/chromium/issues/detail?id=1049982
    arrayOfErrors.forEach((errors) => {
        res = errors != null ? Object.assign(Object.assign({}, res), errors) : res;
    });
    return Object.keys(res).length === 0 ? null : res;
}
function executeValidators(control, validators) {
    return validators.map(validator => validator(control));
}
function isValidatorFn(validator) {
    return !validator.validate;
}
/**
 * Given the list of validators that may contain both functions as well as classes, return the list
 * of validator functions (convert validator classes into validator functions). This is needed to
 * have consistent structure in validators list before composing them.
 *
 * @param validators The set of validators that may contain validators both in plain function form
 *     as well as represented as a validator class.
 */
function normalizeValidators(validators) {
    return validators.map(validator => {
        return isValidatorFn(validator) ?
            validator :
            ((c) => validator.validate(c));
    });
}
/**
 * Merges synchronous validators into a single validator function.
 * See `Validators.compose` for additional information.
 */
function compose(validators) {
    if (!validators)
        return null;
    const presentValidators = validators.filter(isPresent);
    if (presentValidators.length == 0)
        return null;
    return function (control) {
        return mergeErrors(executeValidators(control, presentValidators));
    };
}
/**
 * Accepts a list of validators of different possible shapes (`Validator` and `ValidatorFn`),
 * normalizes the list (converts everything to `ValidatorFn`) and merges them into a single
 * validator function.
 */
function composeValidators(validators) {
    return validators != null ? compose(normalizeValidators(validators)) : null;
}
/**
 * Merges asynchronous validators into a single validator function.
 * See `Validators.composeAsync` for additional information.
 */
function composeAsync(validators) {
    if (!validators)
        return null;
    const presentValidators = validators.filter(isPresent);
    if (presentValidators.length == 0)
        return null;
    return function (control) {
        const observables = executeValidators(control, presentValidators).map(toObservable);
        return (0,rxjs__WEBPACK_IMPORTED_MODULE_3__.forkJoin)(observables).pipe((0,rxjs_operators__WEBPACK_IMPORTED_MODULE_4__.map)(mergeErrors));
    };
}
/**
 * Accepts a list of async validators of different possible shapes (`AsyncValidator` and
 * `AsyncValidatorFn`), normalizes the list (converts everything to `AsyncValidatorFn`) and merges
 * them into a single validator function.
 */
function composeAsyncValidators(validators) {
    return validators != null ? composeAsync(normalizeValidators(validators)) :
        null;
}
/**
 * Merges raw control validators with a given directive validator and returns the combined list of
 * validators as an array.
 */
function mergeValidators(controlValidators, dirValidator) {
    if (controlValidators === null)
        return [dirValidator];
    return Array.isArray(controlValidators) ? [...controlValidators, dirValidator] :
        [controlValidators, dirValidator];
}
/**
 * Retrieves the list of raw synchronous validators attached to a given control.
 */
function getControlValidators(control) {
    return control._rawValidators;
}
/**
 * Retrieves the list of raw asynchronous validators attached to a given control.
 */
function getControlAsyncValidators(control) {
    return control._rawAsyncValidators;
}

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
/**
 * @description
 * Base class for control directives.
 *
 * This class is only used internally in the `ReactiveFormsModule` and the `FormsModule`.
 *
 * @publicApi
 */
class AbstractControlDirective {
    constructor() {
        /**
         * Set of synchronous validators as they were provided while calling `setValidators` function.
         * @internal
         */
        this._rawValidators = [];
        /**
         * Set of asynchronous validators as they were provided while calling `setAsyncValidators`
         * function.
         * @internal
         */
        this._rawAsyncValidators = [];
        /*
         * The set of callbacks to be invoked when directive instance is being destroyed.
         */
        this._onDestroyCallbacks = [];
    }
    /**
     * @description
     * Reports the value of the control if it is present, otherwise null.
     */
    get value() {
        return this.control ? this.control.value : null;
    }
    /**
     * @description
     * Reports whether the control is valid. A control is considered valid if no
     * validation errors exist with the current value.
     * If the control is not present, null is returned.
     */
    get valid() {
        return this.control ? this.control.valid : null;
    }
    /**
     * @description
     * Reports whether the control is invalid, meaning that an error exists in the input value.
     * If the control is not present, null is returned.
     */
    get invalid() {
        return this.control ? this.control.invalid : null;
    }
    /**
     * @description
     * Reports whether a control is pending, meaning that that async validation is occurring and
     * errors are not yet available for the input value. If the control is not present, null is
     * returned.
     */
    get pending() {
        return this.control ? this.control.pending : null;
    }
    /**
     * @description
     * Reports whether the control is disabled, meaning that the control is disabled
     * in the UI and is exempt from validation checks and excluded from aggregate
     * values of ancestor controls. If the control is not present, null is returned.
     */
    get disabled() {
        return this.control ? this.control.disabled : null;
    }
    /**
     * @description
     * Reports whether the control is enabled, meaning that the control is included in ancestor
     * calculations of validity or value. If the control is not present, null is returned.
     */
    get enabled() {
        return this.control ? this.control.enabled : null;
    }
    /**
     * @description
     * Reports the control's validation errors. If the control is not present, null is returned.
     */
    get errors() {
        return this.control ? this.control.errors : null;
    }
    /**
     * @description
     * Reports whether the control is pristine, meaning that the user has not yet changed
     * the value in the UI. If the control is not present, null is returned.
     */
    get pristine() {
        return this.control ? this.control.pristine : null;
    }
    /**
     * @description
     * Reports whether the control is dirty, meaning that the user has changed
     * the value in the UI. If the control is not present, null is returned.
     */
    get dirty() {
        return this.control ? this.control.dirty : null;
    }
    /**
     * @description
     * Reports whether the control is touched, meaning that the user has triggered
     * a `blur` event on it. If the control is not present, null is returned.
     */
    get touched() {
        return this.control ? this.control.touched : null;
    }
    /**
     * @description
     * Reports the validation status of the control. Possible values include:
     * 'VALID', 'INVALID', 'DISABLED', and 'PENDING'.
     * If the control is not present, null is returned.
     */
    get status() {
        return this.control ? this.control.status : null;
    }
    /**
     * @description
     * Reports whether the control is untouched, meaning that the user has not yet triggered
     * a `blur` event on it. If the control is not present, null is returned.
     */
    get untouched() {
        return this.control ? this.control.untouched : null;
    }
    /**
     * @description
     * Returns a multicasting observable that emits a validation status whenever it is
     * calculated for the control. If the control is not present, null is returned.
     */
    get statusChanges() {
        return this.control ? this.control.statusChanges : null;
    }
    /**
     * @description
     * Returns a multicasting observable of value changes for the control that emits every time the
     * value of the control changes in the UI or programmatically.
     * If the control is not present, null is returned.
     */
    get valueChanges() {
        return this.control ? this.control.valueChanges : null;
    }
    /**
     * @description
     * Returns an array that represents the path from the top-level form to this control.
     * Each index is the string name of the control on that level.
     */
    get path() {
        return null;
    }
    /**
     * Sets synchronous validators for this directive.
     * @internal
     */
    _setValidators(validators) {
        this._rawValidators = validators || [];
        this._composedValidatorFn = composeValidators(this._rawValidators);
    }
    /**
     * Sets asynchronous validators for this directive.
     * @internal
     */
    _setAsyncValidators(validators) {
        this._rawAsyncValidators = validators || [];
        this._composedAsyncValidatorFn = composeAsyncValidators(this._rawAsyncValidators);
    }
    /**
     * @description
     * Synchronous validator function composed of all the synchronous validators registered with this
     * directive.
     */
    get validator() {
        return this._composedValidatorFn || null;
    }
    /**
     * @description
     * Asynchronous validator function composed of all the asynchronous validators registered with
     * this directive.
     */
    get asyncValidator() {
        return this._composedAsyncValidatorFn || null;
    }
    /**
     * Internal function to register callbacks that should be invoked
     * when directive instance is being destroyed.
     * @internal
     */
    _registerOnDestroy(fn) {
        this._onDestroyCallbacks.push(fn);
    }
    /**
     * Internal function to invoke all registered "on destroy" callbacks.
     * Note: calling this function also clears the list of callbacks.
     * @internal
     */
    _invokeOnDestroyCallbacks() {
        this._onDestroyCallbacks.forEach(fn => fn());
        this._onDestroyCallbacks = [];
    }
    /**
     * @description
     * Resets the control with the provided value if the control is present.
     */
    reset(value = undefined) {
        if (this.control)
            this.control.reset(value);
    }
    /**
     * @description
     * Reports whether the control with the given path has the error specified.
     *
     * @param errorCode The code of the error to check
     * @param path A list of control names that designates how to move from the current control
     * to the control that should be queried for errors.
     *
     * @usageNotes
     * For example, for the following `FormGroup`:
     *
     * ```
     * form = new FormGroup({
     *   address: new FormGroup({ street: new FormControl() })
     * });
     * ```
     *
     * The path to the 'street' control from the root form would be 'address' -> 'street'.
     *
     * It can be provided to this method in one of two formats:
     *
     * 1. An array of string control names, e.g. `['address', 'street']`
     * 1. A period-delimited list of control names in one string, e.g. `'address.street'`
     *
     * If no path is given, this method checks for the error on the current control.
     *
     * @returns whether the given error is present in the control at the given path.
     *
     * If the control is not present, false is returned.
     */
    hasError(errorCode, path) {
        return this.control ? this.control.hasError(errorCode, path) : false;
    }
    /**
     * @description
     * Reports error data for the control with the given path.
     *
     * @param errorCode The code of the error to check
     * @param path A list of control names that designates how to move from the current control
     * to the control that should be queried for errors.
     *
     * @usageNotes
     * For example, for the following `FormGroup`:
     *
     * ```
     * form = new FormGroup({
     *   address: new FormGroup({ street: new FormControl() })
     * });
     * ```
     *
     * The path to the 'street' control from the root form would be 'address' -> 'street'.
     *
     * It can be provided to this method in one of two formats:
     *
     * 1. An array of string control names, e.g. `['address', 'street']`
     * 1. A period-delimited list of control names in one string, e.g. `'address.street'`
     *
     * @returns error data for that particular error. If the control or error is not present,
     * null is returned.
     */
    getError(errorCode, path) {
        return this.control ? this.control.getError(errorCode, path) : null;
    }
}
AbstractControlDirective.ɵfac = function AbstractControlDirective_Factory(t) { return new (t || AbstractControlDirective)(); };
AbstractControlDirective.ɵdir = /*@__PURE__*/ _angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵɵdefineDirective"]({ type: AbstractControlDirective });


/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
/**
 * @description
 * A base class for directives that contain multiple registered instances of `NgControl`.
 * Only used by the forms module.
 *
 * @publicApi
 */
class ControlContainer extends AbstractControlDirective {
    /**
     * @description
     * The top-level form directive for the control.
     */
    get formDirective() {
        return null;
    }
    /**
     * @description
     * The path to this group.
     */
    get path() {
        return null;
    }
}
ControlContainer.ɵfac = /*@__PURE__*/ function () { let ɵControlContainer_BaseFactory; return function ControlContainer_Factory(t) { return (ɵControlContainer_BaseFactory || (ɵControlContainer_BaseFactory = _angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵɵgetInheritedFactory"](ControlContainer)))(t || ControlContainer); }; }();
ControlContainer.ɵdir = /*@__PURE__*/ _angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵɵdefineDirective"]({ type: ControlContainer, features: [_angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵɵInheritDefinitionFeature"]] });


/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
/**
 * @description
 * A base class that all `FormControl`-based directives extend. It binds a `FormControl`
 * object to a DOM element.
 *
 * @publicApi
 */
class NgControl extends AbstractControlDirective {
    constructor() {
        super(...arguments);
        /**
         * @description
         * The parent form for the control.
         *
         * @internal
         */
        this._parent = null;
        /**
         * @description
         * The name for the control
         */
        this.name = null;
        /**
         * @description
         * The value accessor for the control
         */
        this.valueAccessor = null;
    }
}

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
class AbstractControlStatus {
    constructor(cd) {
        this._cd = cd;
    }
    is(status) {
        var _a, _b, _c;
        // Currently with ViewEngine (in AOT mode) it's not possible to use private methods in host
        // bindings.
        // TODO: once ViewEngine is removed, this function should be refactored:
        //  - make the `is` method `protected`, so it's not accessible publicly
        //  - move the `submitted` status logic to the `NgControlStatusGroup` class
        //    and make it `private` or `protected` too.
        if (status === 'submitted') {
            // We check for the `submitted` field from `NgForm` and `FormGroupDirective` classes, but
            // we avoid instanceof checks to prevent non-tree-shakable references to those types.
            return !!((_a = this._cd) === null || _a === void 0 ? void 0 : _a.submitted);
        }
        return !!((_c = (_b = this._cd) === null || _b === void 0 ? void 0 : _b.control) === null || _c === void 0 ? void 0 : _c[status]);
    }
}
const ngControlStatusHost = {
    '[class.ng-untouched]': 'is("untouched")',
    '[class.ng-touched]': 'is("touched")',
    '[class.ng-pristine]': 'is("pristine")',
    '[class.ng-dirty]': 'is("dirty")',
    '[class.ng-valid]': 'is("valid")',
    '[class.ng-invalid]': 'is("invalid")',
    '[class.ng-pending]': 'is("pending")',
};
const ngGroupStatusHost = {
    '[class.ng-untouched]': 'is("untouched")',
    '[class.ng-touched]': 'is("touched")',
    '[class.ng-pristine]': 'is("pristine")',
    '[class.ng-dirty]': 'is("dirty")',
    '[class.ng-valid]': 'is("valid")',
    '[class.ng-invalid]': 'is("invalid")',
    '[class.ng-pending]': 'is("pending")',
    '[class.ng-submitted]': 'is("submitted")',
};
/**
 * @description
 * Directive automatically applied to Angular form controls that sets CSS classes
 * based on control status.
 *
 * @usageNotes
 *
 * ### CSS classes applied
 *
 * The following classes are applied as the properties become true:
 *
 * * ng-valid
 * * ng-invalid
 * * ng-pending
 * * ng-pristine
 * * ng-dirty
 * * ng-untouched
 * * ng-touched
 *
 * @ngModule ReactiveFormsModule
 * @ngModule FormsModule
 * @publicApi
 */
class NgControlStatus extends AbstractControlStatus {
    constructor(cd) {
        super(cd);
    }
}
NgControlStatus.ɵfac = function NgControlStatus_Factory(t) { return new (t || NgControlStatus)(_angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵɵdirectiveInject"](NgControl, 2)); };
NgControlStatus.ɵdir = /*@__PURE__*/ _angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵɵdefineDirective"]({ type: NgControlStatus, selectors: [["", "formControlName", ""], ["", "ngModel", ""], ["", "formControl", ""]], hostVars: 14, hostBindings: function NgControlStatus_HostBindings(rf, ctx) { if (rf & 2) {
        _angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵɵclassProp"]("ng-untouched", ctx.is("untouched"))("ng-touched", ctx.is("touched"))("ng-pristine", ctx.is("pristine"))("ng-dirty", ctx.is("dirty"))("ng-valid", ctx.is("valid"))("ng-invalid", ctx.is("invalid"))("ng-pending", ctx.is("pending"));
    } }, features: [_angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵɵInheritDefinitionFeature"]] });
NgControlStatus.ctorParameters = () => [
    { type: NgControl, decorators: [{ type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Self }] }
];
(function () { (typeof ngDevMode === "undefined" || ngDevMode) && _angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵsetClassMetadata"](NgControlStatus, [{
        type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Directive,
        args: [{ selector: '[formControlName],[ngModel],[formControl]', host: ngControlStatusHost }]
    }], function () { return [{ type: NgControl, decorators: [{
                type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Self
            }] }]; }, null); })();
/**
 * @description
 * Directive automatically applied to Angular form groups that sets CSS classes
 * based on control status (valid/invalid/dirty/etc). On groups, this includes the additional
 * class ng-submitted.
 *
 * @see `NgControlStatus`
 *
 * @ngModule ReactiveFormsModule
 * @ngModule FormsModule
 * @publicApi
 */
class NgControlStatusGroup extends AbstractControlStatus {
    constructor(cd) {
        super(cd);
    }
}
NgControlStatusGroup.ɵfac = function NgControlStatusGroup_Factory(t) { return new (t || NgControlStatusGroup)(_angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵɵdirectiveInject"](ControlContainer, 10)); };
NgControlStatusGroup.ɵdir = /*@__PURE__*/ _angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵɵdefineDirective"]({ type: NgControlStatusGroup, selectors: [["", "formGroupName", ""], ["", "formArrayName", ""], ["", "ngModelGroup", ""], ["", "formGroup", ""], ["form", 3, "ngNoForm", ""], ["", "ngForm", ""]], hostVars: 16, hostBindings: function NgControlStatusGroup_HostBindings(rf, ctx) { if (rf & 2) {
        _angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵɵclassProp"]("ng-untouched", ctx.is("untouched"))("ng-touched", ctx.is("touched"))("ng-pristine", ctx.is("pristine"))("ng-dirty", ctx.is("dirty"))("ng-valid", ctx.is("valid"))("ng-invalid", ctx.is("invalid"))("ng-pending", ctx.is("pending"))("ng-submitted", ctx.is("submitted"));
    } }, features: [_angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵɵInheritDefinitionFeature"]] });
NgControlStatusGroup.ctorParameters = () => [
    { type: ControlContainer, decorators: [{ type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Optional }, { type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Self }] }
];
(function () { (typeof ngDevMode === "undefined" || ngDevMode) && _angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵsetClassMetadata"](NgControlStatusGroup, [{
        type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Directive,
        args: [{
                selector: '[formGroupName],[formArrayName],[ngModelGroup],[formGroup],form:not([ngNoForm]),[ngForm]',
                host: ngGroupStatusHost
            }]
    }], function () { return [{ type: ControlContainer, decorators: [{
                type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Optional
            }, {
                type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Self
            }] }]; }, null); })();

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
const FormErrorExamples = {
    formControlName: `
    <div [formGroup]="myGroup">
      <input formControlName="firstName">
    </div>

    In your class:

    this.myGroup = new FormGroup({
       firstName: new FormControl()
    });`,
    formGroupName: `
    <div [formGroup]="myGroup">
       <div formGroupName="person">
          <input formControlName="firstName">
       </div>
    </div>

    In your class:

    this.myGroup = new FormGroup({
       person: new FormGroup({ firstName: new FormControl() })
    });`,
    formArrayName: `
    <div [formGroup]="myGroup">
      <div formArrayName="cities">
        <div *ngFor="let city of cityArray.controls; index as i">
          <input [formControlName]="i">
        </div>
      </div>
    </div>

    In your class:

    this.cityArray = new FormArray([new FormControl('SF')]);
    this.myGroup = new FormGroup({
      cities: this.cityArray
    });`,
    ngModelGroup: `
    <form>
       <div ngModelGroup="person">
          <input [(ngModel)]="person.name" name="firstName">
       </div>
    </form>`,
    ngModelWithFormGroup: `
    <div [formGroup]="myGroup">
       <input formControlName="firstName">
       <input [(ngModel)]="showMoreControls" [ngModelOptions]="{standalone: true}">
    </div>
  `
};

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
class ReactiveErrors {
    static controlParentException() {
        throw new Error(`formControlName must be used with a parent formGroup directive.  You'll want to add a formGroup
       directive and pass it an existing FormGroup instance (you can create one in your class).

      Example:

      ${FormErrorExamples.formControlName}`);
    }
    static ngModelGroupException() {
        throw new Error(`formControlName cannot be used with an ngModelGroup parent. It is only compatible with parents
       that also have a "form" prefix: formGroupName, formArrayName, or formGroup.

       Option 1:  Update the parent to be formGroupName (reactive form strategy)

        ${FormErrorExamples.formGroupName}

        Option 2: Use ngModel instead of formControlName (template-driven strategy)

        ${FormErrorExamples.ngModelGroup}`);
    }
    static missingFormException() {
        throw new Error(`formGroup expects a FormGroup instance. Please pass one in.

       Example:

       ${FormErrorExamples.formControlName}`);
    }
    static groupParentException() {
        throw new Error(`formGroupName must be used with a parent formGroup directive.  You'll want to add a formGroup
      directive and pass it an existing FormGroup instance (you can create one in your class).

      Example:

      ${FormErrorExamples.formGroupName}`);
    }
    static arrayParentException() {
        throw new Error(`formArrayName must be used with a parent formGroup directive.  You'll want to add a formGroup
       directive and pass it an existing FormGroup instance (you can create one in your class).

        Example:

        ${FormErrorExamples.formArrayName}`);
    }
    static disabledAttrWarning() {
        console.warn(`
      It looks like you're using the disabled attribute with a reactive form directive. If you set disabled to true
      when you set up this control in your component class, the disabled attribute will actually be set in the DOM for
      you. We recommend using this approach to avoid 'changed after checked' errors.

      Example:
      form = new FormGroup({
        first: new FormControl({value: 'Nancy', disabled: true}, Validators.required),
        last: new FormControl('Drew', Validators.required)
      });
    `);
    }
    static ngModelWarning(directiveName) {
        console.warn(`
    It looks like you're using ngModel on the same form field as ${directiveName}.
    Support for using the ngModel input property and ngModelChange event with
    reactive form directives has been deprecated in Angular v6 and will be removed
    in a future version of Angular.

    For more information on this, see our API docs here:
    https://angular.io/api/forms/${directiveName === 'formControl' ? 'FormControlDirective' :
            'FormControlName'}#use-with-ngmodel
    `);
    }
}

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
function controlPath(name, parent) {
    return [...parent.path, name];
}
/**
 * Links a Form control and a Form directive by setting up callbacks (such as `onChange`) on both
 * instances. This function is typically invoked when form directive is being initialized.
 *
 * @param control Form control instance that should be linked.
 * @param dir Directive that should be linked with a given control.
 */
function setUpControl(control, dir) {
    if (typeof ngDevMode === 'undefined' || ngDevMode) {
        if (!control)
            _throwError(dir, 'Cannot find control with');
        if (!dir.valueAccessor)
            _throwError(dir, 'No value accessor for form control with');
    }
    setUpValidators(control, dir);
    dir.valueAccessor.writeValue(control.value);
    setUpViewChangePipeline(control, dir);
    setUpModelChangePipeline(control, dir);
    setUpBlurPipeline(control, dir);
    setUpDisabledChangeHandler(control, dir);
}
/**
 * Reverts configuration performed by the `setUpControl` control function.
 * Effectively disconnects form control with a given form directive.
 * This function is typically invoked when corresponding form directive is being destroyed.
 *
 * @param control Form control which should be cleaned up.
 * @param dir Directive that should be disconnected from a given control.
 * @param validateControlPresenceOnChange Flag that indicates whether onChange handler should
 *     contain asserts to verify that it's not called once directive is destroyed. We need this flag
 *     to avoid potentially breaking changes caused by better control cleanup introduced in #39235.
 */
function cleanUpControl(control, dir, validateControlPresenceOnChange = true) {
    const noop = () => {
        if (validateControlPresenceOnChange && (typeof ngDevMode === 'undefined' || ngDevMode)) {
            _noControlError(dir);
        }
    };
    // The `valueAccessor` field is typically defined on FromControl and FormControlName directive
    // instances and there is a logic in `selectValueAccessor` function that throws if it's not the
    // case. We still check the presence of `valueAccessor` before invoking its methods to make sure
    // that cleanup works correctly if app code or tests are setup to ignore the error thrown from
    // `selectValueAccessor`. See https://github.com/angular/angular/issues/40521.
    if (dir.valueAccessor) {
        dir.valueAccessor.registerOnChange(noop);
        dir.valueAccessor.registerOnTouched(noop);
    }
    cleanUpValidators(control, dir);
    if (control) {
        dir._invokeOnDestroyCallbacks();
        control._registerOnCollectionChange(() => { });
    }
}
function registerOnValidatorChange(validators, onChange) {
    validators.forEach((validator) => {
        if (validator.registerOnValidatorChange)
            validator.registerOnValidatorChange(onChange);
    });
}
/**
 * Sets up disabled change handler function on a given form control if ControlValueAccessor
 * associated with a given directive instance supports the `setDisabledState` call.
 *
 * @param control Form control where disabled change handler should be setup.
 * @param dir Corresponding directive instance associated with this control.
 */
function setUpDisabledChangeHandler(control, dir) {
    if (dir.valueAccessor.setDisabledState) {
        const onDisabledChange = (isDisabled) => {
            dir.valueAccessor.setDisabledState(isDisabled);
        };
        control.registerOnDisabledChange(onDisabledChange);
        // Register a callback function to cleanup disabled change handler
        // from a control instance when a directive is destroyed.
        dir._registerOnDestroy(() => {
            control._unregisterOnDisabledChange(onDisabledChange);
        });
    }
}
/**
 * Sets up sync and async directive validators on provided form control.
 * This function merges validators from the directive into the validators of the control.
 *
 * @param control Form control where directive validators should be setup.
 * @param dir Directive instance that contains validators to be setup.
 */
function setUpValidators(control, dir) {
    const validators = getControlValidators(control);
    if (dir.validator !== null) {
        control.setValidators(mergeValidators(validators, dir.validator));
    }
    else if (typeof validators === 'function') {
        // If sync validators are represented by a single validator function, we force the
        // `Validators.compose` call to happen by executing the `setValidators` function with
        // an array that contains that function. We need this to avoid possible discrepancies in
        // validators behavior, so sync validators are always processed by the `Validators.compose`.
        // Note: we should consider moving this logic inside the `setValidators` function itself, so we
        // have consistent behavior on AbstractControl API level. The same applies to the async
        // validators logic below.
        control.setValidators([validators]);
    }
    const asyncValidators = getControlAsyncValidators(control);
    if (dir.asyncValidator !== null) {
        control.setAsyncValidators(mergeValidators(asyncValidators, dir.asyncValidator));
    }
    else if (typeof asyncValidators === 'function') {
        control.setAsyncValidators([asyncValidators]);
    }
    // Re-run validation when validator binding changes, e.g. minlength=3 -> minlength=4
    const onValidatorChange = () => control.updateValueAndValidity();
    registerOnValidatorChange(dir._rawValidators, onValidatorChange);
    registerOnValidatorChange(dir._rawAsyncValidators, onValidatorChange);
}
/**
 * Cleans up sync and async directive validators on provided form control.
 * This function reverts the setup performed by the `setUpValidators` function, i.e.
 * removes directive-specific validators from a given control instance.
 *
 * @param control Form control from where directive validators should be removed.
 * @param dir Directive instance that contains validators to be removed.
 * @returns true if a control was updated as a result of this action.
 */
function cleanUpValidators(control, dir) {
    let isControlUpdated = false;
    if (control !== null) {
        if (dir.validator !== null) {
            const validators = getControlValidators(control);
            if (Array.isArray(validators) && validators.length > 0) {
                // Filter out directive validator function.
                const updatedValidators = validators.filter(validator => validator !== dir.validator);
                if (updatedValidators.length !== validators.length) {
                    isControlUpdated = true;
                    control.setValidators(updatedValidators);
                }
            }
        }
        if (dir.asyncValidator !== null) {
            const asyncValidators = getControlAsyncValidators(control);
            if (Array.isArray(asyncValidators) && asyncValidators.length > 0) {
                // Filter out directive async validator function.
                const updatedAsyncValidators = asyncValidators.filter(asyncValidator => asyncValidator !== dir.asyncValidator);
                if (updatedAsyncValidators.length !== asyncValidators.length) {
                    isControlUpdated = true;
                    control.setAsyncValidators(updatedAsyncValidators);
                }
            }
        }
    }
    // Clear onValidatorChange callbacks by providing a noop function.
    const noop = () => { };
    registerOnValidatorChange(dir._rawValidators, noop);
    registerOnValidatorChange(dir._rawAsyncValidators, noop);
    return isControlUpdated;
}
function setUpViewChangePipeline(control, dir) {
    dir.valueAccessor.registerOnChange((newValue) => {
        control._pendingValue = newValue;
        control._pendingChange = true;
        control._pendingDirty = true;
        if (control.updateOn === 'change')
            updateControl(control, dir);
    });
}
function setUpBlurPipeline(control, dir) {
    dir.valueAccessor.registerOnTouched(() => {
        control._pendingTouched = true;
        if (control.updateOn === 'blur' && control._pendingChange)
            updateControl(control, dir);
        if (control.updateOn !== 'submit')
            control.markAsTouched();
    });
}
function updateControl(control, dir) {
    if (control._pendingDirty)
        control.markAsDirty();
    control.setValue(control._pendingValue, { emitModelToViewChange: false });
    dir.viewToModelUpdate(control._pendingValue);
    control._pendingChange = false;
}
function setUpModelChangePipeline(control, dir) {
    const onChange = (newValue, emitModelEvent) => {
        // control -> view
        dir.valueAccessor.writeValue(newValue);
        // control -> ngModel
        if (emitModelEvent)
            dir.viewToModelUpdate(newValue);
    };
    control.registerOnChange(onChange);
    // Register a callback function to cleanup onChange handler
    // from a control instance when a directive is destroyed.
    dir._registerOnDestroy(() => {
        control._unregisterOnChange(onChange);
    });
}
/**
 * Links a FormGroup or FormArray instance and corresponding Form directive by setting up validators
 * present in the view.
 *
 * @param control FormGroup or FormArray instance that should be linked.
 * @param dir Directive that provides view validators.
 */
function setUpFormContainer(control, dir) {
    if (control == null && (typeof ngDevMode === 'undefined' || ngDevMode))
        _throwError(dir, 'Cannot find control with');
    setUpValidators(control, dir);
}
/**
 * Reverts the setup performed by the `setUpFormContainer` function.
 *
 * @param control FormGroup or FormArray instance that should be cleaned up.
 * @param dir Directive that provided view validators.
 * @returns true if a control was updated as a result of this action.
 */
function cleanUpFormContainer(control, dir) {
    return cleanUpValidators(control, dir);
}
function _noControlError(dir) {
    return _throwError(dir, 'There is no FormControl instance attached to form control element with');
}
function _throwError(dir, message) {
    let messageEnd;
    if (dir.path.length > 1) {
        messageEnd = `path: '${dir.path.join(' -> ')}'`;
    }
    else if (dir.path[0]) {
        messageEnd = `name: '${dir.path}'`;
    }
    else {
        messageEnd = 'unspecified name attribute';
    }
    throw new Error(`${message} ${messageEnd}`);
}
function isPropertyUpdated(changes, viewModel) {
    if (!changes.hasOwnProperty('model'))
        return false;
    const change = changes['model'];
    if (change.isFirstChange())
        return true;
    return !Object.is(viewModel, change.currentValue);
}
function isBuiltInAccessor(valueAccessor) {
    // Check if a given value accessor is an instance of a class that directly extends
    // `BuiltInControlValueAccessor` one.
    return Object.getPrototypeOf(valueAccessor.constructor) === BuiltInControlValueAccessor;
}
function syncPendingControls(form, directives) {
    form._syncPendingControls();
    directives.forEach(dir => {
        const control = dir.control;
        if (control.updateOn === 'submit' && control._pendingChange) {
            dir.viewToModelUpdate(control._pendingValue);
            control._pendingChange = false;
        }
    });
}
// TODO: vsavkin remove it once https://github.com/angular/angular/issues/3011 is implemented
function selectValueAccessor(dir, valueAccessors) {
    if (!valueAccessors)
        return null;
    if (!Array.isArray(valueAccessors) && (typeof ngDevMode === 'undefined' || ngDevMode))
        _throwError(dir, 'Value accessor was not provided as an array for form control with');
    let defaultAccessor = undefined;
    let builtinAccessor = undefined;
    let customAccessor = undefined;
    valueAccessors.forEach((v) => {
        if (v.constructor === DefaultValueAccessor) {
            defaultAccessor = v;
        }
        else if (isBuiltInAccessor(v)) {
            if (builtinAccessor && (typeof ngDevMode === 'undefined' || ngDevMode))
                _throwError(dir, 'More than one built-in value accessor matches form control with');
            builtinAccessor = v;
        }
        else {
            if (customAccessor && (typeof ngDevMode === 'undefined' || ngDevMode))
                _throwError(dir, 'More than one custom value accessor matches form control with');
            customAccessor = v;
        }
    });
    if (customAccessor)
        return customAccessor;
    if (builtinAccessor)
        return builtinAccessor;
    if (defaultAccessor)
        return defaultAccessor;
    if (typeof ngDevMode === 'undefined' || ngDevMode) {
        _throwError(dir, 'No valid value accessor for form control with');
    }
    return null;
}
function removeListItem(list, el) {
    const index = list.indexOf(el);
    if (index > -1)
        list.splice(index, 1);
}
// TODO(kara): remove after deprecation period
function _ngModelWarning(name, type, instance, warningConfig) {
    if (warningConfig === 'never')
        return;
    if (((warningConfig === null || warningConfig === 'once') && !type._ngModelWarningSentOnce) ||
        (warningConfig === 'always' && !instance._ngModelWarningSent)) {
        ReactiveErrors.ngModelWarning(name);
        type._ngModelWarningSentOnce = true;
        instance._ngModelWarningSent = true;
    }
}

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
/**
 * Reports that a FormControl is valid, meaning that no errors exist in the input value.
 *
 * @see `status`
 */
const VALID = 'VALID';
/**
 * Reports that a FormControl is invalid, meaning that an error exists in the input value.
 *
 * @see `status`
 */
const INVALID = 'INVALID';
/**
 * Reports that a FormControl is pending, meaning that that async validation is occurring and
 * errors are not yet available for the input value.
 *
 * @see `markAsPending`
 * @see `status`
 */
const PENDING = 'PENDING';
/**
 * Reports that a FormControl is disabled, meaning that the control is exempt from ancestor
 * calculations of validity or value.
 *
 * @see `markAsDisabled`
 * @see `status`
 */
const DISABLED = 'DISABLED';
function _find(control, path, delimiter) {
    if (path == null)
        return null;
    if (!Array.isArray(path)) {
        path = path.split(delimiter);
    }
    if (Array.isArray(path) && path.length === 0)
        return null;
    // Not using Array.reduce here due to a Chrome 80 bug
    // https://bugs.chromium.org/p/chromium/issues/detail?id=1049982
    let controlToFind = control;
    path.forEach((name) => {
        if (controlToFind instanceof FormGroup) {
            controlToFind = controlToFind.controls.hasOwnProperty(name) ?
                controlToFind.controls[name] :
                null;
        }
        else if (controlToFind instanceof FormArray) {
            controlToFind = controlToFind.at(name) || null;
        }
        else {
            controlToFind = null;
        }
    });
    return controlToFind;
}
/**
 * Gets validators from either an options object or given validators.
 */
function pickValidators(validatorOrOpts) {
    return (isOptionsObj(validatorOrOpts) ? validatorOrOpts.validators : validatorOrOpts) || null;
}
/**
 * Creates validator function by combining provided validators.
 */
function coerceToValidator(validator) {
    return Array.isArray(validator) ? composeValidators(validator) : validator || null;
}
/**
 * Gets async validators from either an options object or given validators.
 */
function pickAsyncValidators(asyncValidator, validatorOrOpts) {
    return (isOptionsObj(validatorOrOpts) ? validatorOrOpts.asyncValidators : asyncValidator) || null;
}
/**
 * Creates async validator function by combining provided async validators.
 */
function coerceToAsyncValidator(asyncValidator) {
    return Array.isArray(asyncValidator) ? composeAsyncValidators(asyncValidator) :
        asyncValidator || null;
}
function isOptionsObj(validatorOrOpts) {
    return validatorOrOpts != null && !Array.isArray(validatorOrOpts) &&
        typeof validatorOrOpts === 'object';
}
/**
 * This is the base class for `FormControl`, `FormGroup`, and `FormArray`.
 *
 * It provides some of the shared behavior that all controls and groups of controls have, like
 * running validators, calculating status, and resetting state. It also defines the properties
 * that are shared between all sub-classes, like `value`, `valid`, and `dirty`. It shouldn't be
 * instantiated directly.
 *
 * @see [Forms Guide](/guide/forms)
 * @see [Reactive Forms Guide](/guide/reactive-forms)
 * @see [Dynamic Forms Guide](/guide/dynamic-form)
 *
 * @publicApi
 */
class AbstractControl {
    /**
     * Initialize the AbstractControl instance.
     *
     * @param validators The function or array of functions that is used to determine the validity of
     *     this control synchronously.
     * @param asyncValidators The function or array of functions that is used to determine validity of
     *     this control asynchronously.
     */
    constructor(validators, asyncValidators) {
        /**
         * Indicates that a control has its own pending asynchronous validation in progress.
         *
         * @internal
         */
        this._hasOwnPendingAsyncValidator = false;
        /** @internal */
        this._onCollectionChange = () => { };
        this._parent = null;
        /**
         * A control is `pristine` if the user has not yet changed
         * the value in the UI.
         *
         * @returns True if the user has not yet changed the value in the UI; compare `dirty`.
         * Programmatic changes to a control's value do not mark it dirty.
         */
        this.pristine = true;
        /**
         * True if the control is marked as `touched`.
         *
         * A control is marked `touched` once the user has triggered
         * a `blur` event on it.
         */
        this.touched = false;
        /** @internal */
        this._onDisabledChange = [];
        this._rawValidators = validators;
        this._rawAsyncValidators = asyncValidators;
        this._composedValidatorFn = coerceToValidator(this._rawValidators);
        this._composedAsyncValidatorFn = coerceToAsyncValidator(this._rawAsyncValidators);
    }
    /**
     * The function that is used to determine the validity of this control synchronously.
     */
    get validator() {
        return this._composedValidatorFn;
    }
    set validator(validatorFn) {
        this._rawValidators = this._composedValidatorFn = validatorFn;
    }
    /**
     * The function that is used to determine the validity of this control asynchronously.
     */
    get asyncValidator() {
        return this._composedAsyncValidatorFn;
    }
    set asyncValidator(asyncValidatorFn) {
        this._rawAsyncValidators = this._composedAsyncValidatorFn = asyncValidatorFn;
    }
    /**
     * The parent control.
     */
    get parent() {
        return this._parent;
    }
    /**
     * A control is `valid` when its `status` is `VALID`.
     *
     * @see {@link AbstractControl.status}
     *
     * @returns True if the control has passed all of its validation tests,
     * false otherwise.
     */
    get valid() {
        return this.status === VALID;
    }
    /**
     * A control is `invalid` when its `status` is `INVALID`.
     *
     * @see {@link AbstractControl.status}
     *
     * @returns True if this control has failed one or more of its validation checks,
     * false otherwise.
     */
    get invalid() {
        return this.status === INVALID;
    }
    /**
     * A control is `pending` when its `status` is `PENDING`.
     *
     * @see {@link AbstractControl.status}
     *
     * @returns True if this control is in the process of conducting a validation check,
     * false otherwise.
     */
    get pending() {
        return this.status == PENDING;
    }
    /**
     * A control is `disabled` when its `status` is `DISABLED`.
     *
     * Disabled controls are exempt from validation checks and
     * are not included in the aggregate value of their ancestor
     * controls.
     *
     * @see {@link AbstractControl.status}
     *
     * @returns True if the control is disabled, false otherwise.
     */
    get disabled() {
        return this.status === DISABLED;
    }
    /**
     * A control is `enabled` as long as its `status` is not `DISABLED`.
     *
     * @returns True if the control has any status other than 'DISABLED',
     * false if the status is 'DISABLED'.
     *
     * @see {@link AbstractControl.status}
     *
     */
    get enabled() {
        return this.status !== DISABLED;
    }
    /**
     * A control is `dirty` if the user has changed the value
     * in the UI.
     *
     * @returns True if the user has changed the value of this control in the UI; compare `pristine`.
     * Programmatic changes to a control's value do not mark it dirty.
     */
    get dirty() {
        return !this.pristine;
    }
    /**
     * True if the control has not been marked as touched
     *
     * A control is `untouched` if the user has not yet triggered
     * a `blur` event on it.
     */
    get untouched() {
        return !this.touched;
    }
    /**
     * Reports the update strategy of the `AbstractControl` (meaning
     * the event on which the control updates itself).
     * Possible values: `'change'` | `'blur'` | `'submit'`
     * Default value: `'change'`
     */
    get updateOn() {
        return this._updateOn ? this._updateOn : (this.parent ? this.parent.updateOn : 'change');
    }
    /**
     * Sets the synchronous validators that are active on this control.  Calling
     * this overwrites any existing sync validators.
     *
     * When you add or remove a validator at run time, you must call
     * `updateValueAndValidity()` for the new validation to take effect.
     *
     */
    setValidators(newValidator) {
        this._rawValidators = newValidator;
        this._composedValidatorFn = coerceToValidator(newValidator);
    }
    /**
     * Sets the async validators that are active on this control. Calling this
     * overwrites any existing async validators.
     *
     * When you add or remove a validator at run time, you must call
     * `updateValueAndValidity()` for the new validation to take effect.
     *
     */
    setAsyncValidators(newValidator) {
        this._rawAsyncValidators = newValidator;
        this._composedAsyncValidatorFn = coerceToAsyncValidator(newValidator);
    }
    /**
     * Empties out the sync validator list.
     *
     * When you add or remove a validator at run time, you must call
     * `updateValueAndValidity()` for the new validation to take effect.
     *
     */
    clearValidators() {
        this.validator = null;
    }
    /**
     * Empties out the async validator list.
     *
     * When you add or remove a validator at run time, you must call
     * `updateValueAndValidity()` for the new validation to take effect.
     *
     */
    clearAsyncValidators() {
        this.asyncValidator = null;
    }
    /**
     * Marks the control as `touched`. A control is touched by focus and
     * blur events that do not change the value.
     *
     * @see `markAsUntouched()`
     * @see `markAsDirty()`
     * @see `markAsPristine()`
     *
     * @param opts Configuration options that determine how the control propagates changes
     * and emits events after marking is applied.
     * * `onlySelf`: When true, mark only this control. When false or not supplied,
     * marks all direct ancestors. Default is false.
     */
    markAsTouched(opts = {}) {
        this.touched = true;
        if (this._parent && !opts.onlySelf) {
            this._parent.markAsTouched(opts);
        }
    }
    /**
     * Marks the control and all its descendant controls as `touched`.
     * @see `markAsTouched()`
     */
    markAllAsTouched() {
        this.markAsTouched({ onlySelf: true });
        this._forEachChild((control) => control.markAllAsTouched());
    }
    /**
     * Marks the control as `untouched`.
     *
     * If the control has any children, also marks all children as `untouched`
     * and recalculates the `touched` status of all parent controls.
     *
     * @see `markAsTouched()`
     * @see `markAsDirty()`
     * @see `markAsPristine()`
     *
     * @param opts Configuration options that determine how the control propagates changes
     * and emits events after the marking is applied.
     * * `onlySelf`: When true, mark only this control. When false or not supplied,
     * marks all direct ancestors. Default is false.
     */
    markAsUntouched(opts = {}) {
        this.touched = false;
        this._pendingTouched = false;
        this._forEachChild((control) => {
            control.markAsUntouched({ onlySelf: true });
        });
        if (this._parent && !opts.onlySelf) {
            this._parent._updateTouched(opts);
        }
    }
    /**
     * Marks the control as `dirty`. A control becomes dirty when
     * the control's value is changed through the UI; compare `markAsTouched`.
     *
     * @see `markAsTouched()`
     * @see `markAsUntouched()`
     * @see `markAsPristine()`
     *
     * @param opts Configuration options that determine how the control propagates changes
     * and emits events after marking is applied.
     * * `onlySelf`: When true, mark only this control. When false or not supplied,
     * marks all direct ancestors. Default is false.
     */
    markAsDirty(opts = {}) {
        this.pristine = false;
        if (this._parent && !opts.onlySelf) {
            this._parent.markAsDirty(opts);
        }
    }
    /**
     * Marks the control as `pristine`.
     *
     * If the control has any children, marks all children as `pristine`,
     * and recalculates the `pristine` status of all parent
     * controls.
     *
     * @see `markAsTouched()`
     * @see `markAsUntouched()`
     * @see `markAsDirty()`
     *
     * @param opts Configuration options that determine how the control emits events after
     * marking is applied.
     * * `onlySelf`: When true, mark only this control. When false or not supplied,
     * marks all direct ancestors. Default is false.
     */
    markAsPristine(opts = {}) {
        this.pristine = true;
        this._pendingDirty = false;
        this._forEachChild((control) => {
            control.markAsPristine({ onlySelf: true });
        });
        if (this._parent && !opts.onlySelf) {
            this._parent._updatePristine(opts);
        }
    }
    /**
     * Marks the control as `pending`.
     *
     * A control is pending while the control performs async validation.
     *
     * @see {@link AbstractControl.status}
     *
     * @param opts Configuration options that determine how the control propagates changes and
     * emits events after marking is applied.
     * * `onlySelf`: When true, mark only this control. When false or not supplied,
     * marks all direct ancestors. Default is false.
     * * `emitEvent`: When true or not supplied (the default), the `statusChanges`
     * observable emits an event with the latest status the control is marked pending.
     * When false, no events are emitted.
     *
     */
    markAsPending(opts = {}) {
        this.status = PENDING;
        if (opts.emitEvent !== false) {
            this.statusChanges.emit(this.status);
        }
        if (this._parent && !opts.onlySelf) {
            this._parent.markAsPending(opts);
        }
    }
    /**
     * Disables the control. This means the control is exempt from validation checks and
     * excluded from the aggregate value of any parent. Its status is `DISABLED`.
     *
     * If the control has children, all children are also disabled.
     *
     * @see {@link AbstractControl.status}
     *
     * @param opts Configuration options that determine how the control propagates
     * changes and emits events after the control is disabled.
     * * `onlySelf`: When true, mark only this control. When false or not supplied,
     * marks all direct ancestors. Default is false.
     * * `emitEvent`: When true or not supplied (the default), both the `statusChanges` and
     * `valueChanges`
     * observables emit events with the latest status and value when the control is disabled.
     * When false, no events are emitted.
     */
    disable(opts = {}) {
        // If parent has been marked artificially dirty we don't want to re-calculate the
        // parent's dirtiness based on the children.
        const skipPristineCheck = this._parentMarkedDirty(opts.onlySelf);
        this.status = DISABLED;
        this.errors = null;
        this._forEachChild((control) => {
            control.disable(Object.assign(Object.assign({}, opts), { onlySelf: true }));
        });
        this._updateValue();
        if (opts.emitEvent !== false) {
            this.valueChanges.emit(this.value);
            this.statusChanges.emit(this.status);
        }
        this._updateAncestors(Object.assign(Object.assign({}, opts), { skipPristineCheck }));
        this._onDisabledChange.forEach((changeFn) => changeFn(true));
    }
    /**
     * Enables the control. This means the control is included in validation checks and
     * the aggregate value of its parent. Its status recalculates based on its value and
     * its validators.
     *
     * By default, if the control has children, all children are enabled.
     *
     * @see {@link AbstractControl.status}
     *
     * @param opts Configure options that control how the control propagates changes and
     * emits events when marked as untouched
     * * `onlySelf`: When true, mark only this control. When false or not supplied,
     * marks all direct ancestors. Default is false.
     * * `emitEvent`: When true or not supplied (the default), both the `statusChanges` and
     * `valueChanges`
     * observables emit events with the latest status and value when the control is enabled.
     * When false, no events are emitted.
     */
    enable(opts = {}) {
        // If parent has been marked artificially dirty we don't want to re-calculate the
        // parent's dirtiness based on the children.
        const skipPristineCheck = this._parentMarkedDirty(opts.onlySelf);
        this.status = VALID;
        this._forEachChild((control) => {
            control.enable(Object.assign(Object.assign({}, opts), { onlySelf: true }));
        });
        this.updateValueAndValidity({ onlySelf: true, emitEvent: opts.emitEvent });
        this._updateAncestors(Object.assign(Object.assign({}, opts), { skipPristineCheck }));
        this._onDisabledChange.forEach((changeFn) => changeFn(false));
    }
    _updateAncestors(opts) {
        if (this._parent && !opts.onlySelf) {
            this._parent.updateValueAndValidity(opts);
            if (!opts.skipPristineCheck) {
                this._parent._updatePristine();
            }
            this._parent._updateTouched();
        }
    }
    /**
     * @param parent Sets the parent of the control
     */
    setParent(parent) {
        this._parent = parent;
    }
    /**
     * Recalculates the value and validation status of the control.
     *
     * By default, it also updates the value and validity of its ancestors.
     *
     * @param opts Configuration options determine how the control propagates changes and emits events
     * after updates and validity checks are applied.
     * * `onlySelf`: When true, only update this control. When false or not supplied,
     * update all direct ancestors. Default is false.
     * * `emitEvent`: When true or not supplied (the default), both the `statusChanges` and
     * `valueChanges`
     * observables emit events with the latest status and value when the control is updated.
     * When false, no events are emitted.
     */
    updateValueAndValidity(opts = {}) {
        this._setInitialStatus();
        this._updateValue();
        if (this.enabled) {
            this._cancelExistingSubscription();
            this.errors = this._runValidator();
            this.status = this._calculateStatus();
            if (this.status === VALID || this.status === PENDING) {
                this._runAsyncValidator(opts.emitEvent);
            }
        }
        if (opts.emitEvent !== false) {
            this.valueChanges.emit(this.value);
            this.statusChanges.emit(this.status);
        }
        if (this._parent && !opts.onlySelf) {
            this._parent.updateValueAndValidity(opts);
        }
    }
    /** @internal */
    _updateTreeValidity(opts = { emitEvent: true }) {
        this._forEachChild((ctrl) => ctrl._updateTreeValidity(opts));
        this.updateValueAndValidity({ onlySelf: true, emitEvent: opts.emitEvent });
    }
    _setInitialStatus() {
        this.status = this._allControlsDisabled() ? DISABLED : VALID;
    }
    _runValidator() {
        return this.validator ? this.validator(this) : null;
    }
    _runAsyncValidator(emitEvent) {
        if (this.asyncValidator) {
            this.status = PENDING;
            this._hasOwnPendingAsyncValidator = true;
            const obs = toObservable(this.asyncValidator(this));
            this._asyncValidationSubscription = obs.subscribe((errors) => {
                this._hasOwnPendingAsyncValidator = false;
                // This will trigger the recalculation of the validation status, which depends on
                // the state of the asynchronous validation (whether it is in progress or not). So, it is
                // necessary that we have updated the `_hasOwnPendingAsyncValidator` boolean flag first.
                this.setErrors(errors, { emitEvent });
            });
        }
    }
    _cancelExistingSubscription() {
        if (this._asyncValidationSubscription) {
            this._asyncValidationSubscription.unsubscribe();
            this._hasOwnPendingAsyncValidator = false;
        }
    }
    /**
     * Sets errors on a form control when running validations manually, rather than automatically.
     *
     * Calling `setErrors` also updates the validity of the parent control.
     *
     * @usageNotes
     *
     * ### Manually set the errors for a control
     *
     * ```
     * const login = new FormControl('someLogin');
     * login.setErrors({
     *   notUnique: true
     * });
     *
     * expect(login.valid).toEqual(false);
     * expect(login.errors).toEqual({ notUnique: true });
     *
     * login.setValue('someOtherLogin');
     *
     * expect(login.valid).toEqual(true);
     * ```
     */
    setErrors(errors, opts = {}) {
        this.errors = errors;
        this._updateControlsErrors(opts.emitEvent !== false);
    }
    /**
     * Retrieves a child control given the control's name or path.
     *
     * @param path A dot-delimited string or array of string/number values that define the path to the
     * control.
     *
     * @usageNotes
     * ### Retrieve a nested control
     *
     * For example, to get a `name` control nested within a `person` sub-group:
     *
     * * `this.form.get('person.name');`
     *
     * -OR-
     *
     * * `this.form.get(['person', 'name']);`
     *
     * ### Retrieve a control in a FormArray
     *
     * When accessing an element inside a FormArray, you can use an element index.
     * For example, to get a `price` control from the first element in an `items` array you can use:
     *
     * * `this.form.get('items.0.price');`
     *
     * -OR-
     *
     * * `this.form.get(['items', 0, 'price']);`
     */
    get(path) {
        return _find(this, path, '.');
    }
    /**
     * @description
     * Reports error data for the control with the given path.
     *
     * @param errorCode The code of the error to check
     * @param path A list of control names that designates how to move from the current control
     * to the control that should be queried for errors.
     *
     * @usageNotes
     * For example, for the following `FormGroup`:
     *
     * ```
     * form = new FormGroup({
     *   address: new FormGroup({ street: new FormControl() })
     * });
     * ```
     *
     * The path to the 'street' control from the root form would be 'address' -> 'street'.
     *
     * It can be provided to this method in one of two formats:
     *
     * 1. An array of string control names, e.g. `['address', 'street']`
     * 1. A period-delimited list of control names in one string, e.g. `'address.street'`
     *
     * @returns error data for that particular error. If the control or error is not present,
     * null is returned.
     */
    getError(errorCode, path) {
        const control = path ? this.get(path) : this;
        return control && control.errors ? control.errors[errorCode] : null;
    }
    /**
     * @description
     * Reports whether the control with the given path has the error specified.
     *
     * @param errorCode The code of the error to check
     * @param path A list of control names that designates how to move from the current control
     * to the control that should be queried for errors.
     *
     * @usageNotes
     * For example, for the following `FormGroup`:
     *
     * ```
     * form = new FormGroup({
     *   address: new FormGroup({ street: new FormControl() })
     * });
     * ```
     *
     * The path to the 'street' control from the root form would be 'address' -> 'street'.
     *
     * It can be provided to this method in one of two formats:
     *
     * 1. An array of string control names, e.g. `['address', 'street']`
     * 1. A period-delimited list of control names in one string, e.g. `'address.street'`
     *
     * If no path is given, this method checks for the error on the current control.
     *
     * @returns whether the given error is present in the control at the given path.
     *
     * If the control is not present, false is returned.
     */
    hasError(errorCode, path) {
        return !!this.getError(errorCode, path);
    }
    /**
     * Retrieves the top-level ancestor of this control.
     */
    get root() {
        let x = this;
        while (x._parent) {
            x = x._parent;
        }
        return x;
    }
    /** @internal */
    _updateControlsErrors(emitEvent) {
        this.status = this._calculateStatus();
        if (emitEvent) {
            this.statusChanges.emit(this.status);
        }
        if (this._parent) {
            this._parent._updateControlsErrors(emitEvent);
        }
    }
    /** @internal */
    _initObservables() {
        this.valueChanges = new _angular_core__WEBPACK_IMPORTED_MODULE_0__.EventEmitter();
        this.statusChanges = new _angular_core__WEBPACK_IMPORTED_MODULE_0__.EventEmitter();
    }
    _calculateStatus() {
        if (this._allControlsDisabled())
            return DISABLED;
        if (this.errors)
            return INVALID;
        if (this._hasOwnPendingAsyncValidator || this._anyControlsHaveStatus(PENDING))
            return PENDING;
        if (this._anyControlsHaveStatus(INVALID))
            return INVALID;
        return VALID;
    }
    /** @internal */
    _anyControlsHaveStatus(status) {
        return this._anyControls((control) => control.status === status);
    }
    /** @internal */
    _anyControlsDirty() {
        return this._anyControls((control) => control.dirty);
    }
    /** @internal */
    _anyControlsTouched() {
        return this._anyControls((control) => control.touched);
    }
    /** @internal */
    _updatePristine(opts = {}) {
        this.pristine = !this._anyControlsDirty();
        if (this._parent && !opts.onlySelf) {
            this._parent._updatePristine(opts);
        }
    }
    /** @internal */
    _updateTouched(opts = {}) {
        this.touched = this._anyControlsTouched();
        if (this._parent && !opts.onlySelf) {
            this._parent._updateTouched(opts);
        }
    }
    /** @internal */
    _isBoxedValue(formState) {
        return typeof formState === 'object' && formState !== null &&
            Object.keys(formState).length === 2 && 'value' in formState && 'disabled' in formState;
    }
    /** @internal */
    _registerOnCollectionChange(fn) {
        this._onCollectionChange = fn;
    }
    /** @internal */
    _setUpdateStrategy(opts) {
        if (isOptionsObj(opts) && opts.updateOn != null) {
            this._updateOn = opts.updateOn;
        }
    }
    /**
     * Check to see if parent has been marked artificially dirty.
     *
     * @internal
     */
    _parentMarkedDirty(onlySelf) {
        const parentDirty = this._parent && this._parent.dirty;
        return !onlySelf && !!parentDirty && !this._parent._anyControlsDirty();
    }
}
/**
 * Tracks the value and validation status of an individual form control.
 *
 * This is one of the three fundamental building blocks of Angular forms, along with
 * `FormGroup` and `FormArray`. It extends the `AbstractControl` class that
 * implements most of the base functionality for accessing the value, validation status,
 * user interactions and events. See [usage examples below](#usage-notes).
 *
 * @see `AbstractControl`
 * @see [Reactive Forms Guide](guide/reactive-forms)
 * @see [Usage Notes](#usage-notes)
 *
 * @usageNotes
 *
 * ### Initializing Form Controls
 *
 * Instantiate a `FormControl`, with an initial value.
 *
 * ```ts
 * const control = new FormControl('some value');
 * console.log(control.value);     // 'some value'
 *```
 *
 * The following example initializes the control with a form state object. The `value`
 * and `disabled` keys are required in this case.
 *
 * ```ts
 * const control = new FormControl({ value: 'n/a', disabled: true });
 * console.log(control.value);     // 'n/a'
 * console.log(control.status);    // 'DISABLED'
 * ```
 *
 * The following example initializes the control with a sync validator.
 *
 * ```ts
 * const control = new FormControl('', Validators.required);
 * console.log(control.value);      // ''
 * console.log(control.status);     // 'INVALID'
 * ```
 *
 * The following example initializes the control using an options object.
 *
 * ```ts
 * const control = new FormControl('', {
 *    validators: Validators.required,
 *    asyncValidators: myAsyncValidator
 * });
 * ```
 *
 * ### Configure the control to update on a blur event
 *
 * Set the `updateOn` option to `'blur'` to update on the blur `event`.
 *
 * ```ts
 * const control = new FormControl('', { updateOn: 'blur' });
 * ```
 *
 * ### Configure the control to update on a submit event
 *
 * Set the `updateOn` option to `'submit'` to update on a submit `event`.
 *
 * ```ts
 * const control = new FormControl('', { updateOn: 'submit' });
 * ```
 *
 * ### Reset the control back to an initial value
 *
 * You reset to a specific form state by passing through a standalone
 * value or a form state object that contains both a value and a disabled state
 * (these are the only two properties that cannot be calculated).
 *
 * ```ts
 * const control = new FormControl('Nancy');
 *
 * console.log(control.value); // 'Nancy'
 *
 * control.reset('Drew');
 *
 * console.log(control.value); // 'Drew'
 * ```
 *
 * ### Reset the control back to an initial value and disabled
 *
 * ```
 * const control = new FormControl('Nancy');
 *
 * console.log(control.value); // 'Nancy'
 * console.log(control.status); // 'VALID'
 *
 * control.reset({ value: 'Drew', disabled: true });
 *
 * console.log(control.value); // 'Drew'
 * console.log(control.status); // 'DISABLED'
 * ```
 *
 * @publicApi
 */
class FormControl extends AbstractControl {
    /**
     * Creates a new `FormControl` instance.
     *
     * @param formState Initializes the control with an initial value,
     * or an object that defines the initial value and disabled state.
     *
     * @param validatorOrOpts A synchronous validator function, or an array of
     * such functions, or an `AbstractControlOptions` object that contains validation functions
     * and a validation trigger.
     *
     * @param asyncValidator A single async validator or array of async validator functions
     *
     */
    constructor(formState = null, validatorOrOpts, asyncValidator) {
        super(pickValidators(validatorOrOpts), pickAsyncValidators(asyncValidator, validatorOrOpts));
        /** @internal */
        this._onChange = [];
        this._applyFormState(formState);
        this._setUpdateStrategy(validatorOrOpts);
        this._initObservables();
        this.updateValueAndValidity({
            onlySelf: true,
            // If `asyncValidator` is present, it will trigger control status change from `PENDING` to
            // `VALID` or `INVALID`.
            // The status should be broadcasted via the `statusChanges` observable, so we set `emitEvent`
            // to `true` to allow that during the control creation process.
            emitEvent: !!this.asyncValidator
        });
    }
    /**
     * Sets a new value for the form control.
     *
     * @param value The new value for the control.
     * @param options Configuration options that determine how the control propagates changes
     * and emits events when the value changes.
     * The configuration options are passed to the {@link AbstractControl#updateValueAndValidity
     * updateValueAndValidity} method.
     *
     * * `onlySelf`: When true, each change only affects this control, and not its parent. Default is
     * false.
     * * `emitEvent`: When true or not supplied (the default), both the `statusChanges` and
     * `valueChanges`
     * observables emit events with the latest status and value when the control value is updated.
     * When false, no events are emitted.
     * * `emitModelToViewChange`: When true or not supplied  (the default), each change triggers an
     * `onChange` event to
     * update the view.
     * * `emitViewToModelChange`: When true or not supplied (the default), each change triggers an
     * `ngModelChange`
     * event to update the model.
     *
     */
    setValue(value, options = {}) {
        this.value = this._pendingValue = value;
        if (this._onChange.length && options.emitModelToViewChange !== false) {
            this._onChange.forEach((changeFn) => changeFn(this.value, options.emitViewToModelChange !== false));
        }
        this.updateValueAndValidity(options);
    }
    /**
     * Patches the value of a control.
     *
     * This function is functionally the same as {@link FormControl#setValue setValue} at this level.
     * It exists for symmetry with {@link FormGroup#patchValue patchValue} on `FormGroups` and
     * `FormArrays`, where it does behave differently.
     *
     * @see `setValue` for options
     */
    patchValue(value, options = {}) {
        this.setValue(value, options);
    }
    /**
     * Resets the form control, marking it `pristine` and `untouched`, and setting
     * the value to null.
     *
     * @param formState Resets the control with an initial value,
     * or an object that defines the initial value and disabled state.
     *
     * @param options Configuration options that determine how the control propagates changes
     * and emits events after the value changes.
     *
     * * `onlySelf`: When true, each change only affects this control, and not its parent. Default is
     * false.
     * * `emitEvent`: When true or not supplied (the default), both the `statusChanges` and
     * `valueChanges`
     * observables emit events with the latest status and value when the control is reset.
     * When false, no events are emitted.
     *
     */
    reset(formState = null, options = {}) {
        this._applyFormState(formState);
        this.markAsPristine(options);
        this.markAsUntouched(options);
        this.setValue(this.value, options);
        this._pendingChange = false;
    }
    /**
     * @internal
     */
    _updateValue() { }
    /**
     * @internal
     */
    _anyControls(condition) {
        return false;
    }
    /**
     * @internal
     */
    _allControlsDisabled() {
        return this.disabled;
    }
    /**
     * Register a listener for change events.
     *
     * @param fn The method that is called when the value changes
     */
    registerOnChange(fn) {
        this._onChange.push(fn);
    }
    /**
     * Internal function to unregister a change events listener.
     * @internal
     */
    _unregisterOnChange(fn) {
        removeListItem(this._onChange, fn);
    }
    /**
     * Register a listener for disabled events.
     *
     * @param fn The method that is called when the disabled status changes.
     */
    registerOnDisabledChange(fn) {
        this._onDisabledChange.push(fn);
    }
    /**
     * Internal function to unregister a disabled event listener.
     * @internal
     */
    _unregisterOnDisabledChange(fn) {
        removeListItem(this._onDisabledChange, fn);
    }
    /**
     * @internal
     */
    _forEachChild(cb) { }
    /** @internal */
    _syncPendingControls() {
        if (this.updateOn === 'submit') {
            if (this._pendingDirty)
                this.markAsDirty();
            if (this._pendingTouched)
                this.markAsTouched();
            if (this._pendingChange) {
                this.setValue(this._pendingValue, { onlySelf: true, emitModelToViewChange: false });
                return true;
            }
        }
        return false;
    }
    _applyFormState(formState) {
        if (this._isBoxedValue(formState)) {
            this.value = this._pendingValue = formState.value;
            formState.disabled ? this.disable({ onlySelf: true, emitEvent: false }) :
                this.enable({ onlySelf: true, emitEvent: false });
        }
        else {
            this.value = this._pendingValue = formState;
        }
    }
}
/**
 * Tracks the value and validity state of a group of `FormControl` instances.
 *
 * A `FormGroup` aggregates the values of each child `FormControl` into one object,
 * with each control name as the key.  It calculates its status by reducing the status values
 * of its children. For example, if one of the controls in a group is invalid, the entire
 * group becomes invalid.
 *
 * `FormGroup` is one of the three fundamental building blocks used to define forms in Angular,
 * along with `FormControl` and `FormArray`.
 *
 * When instantiating a `FormGroup`, pass in a collection of child controls as the first
 * argument. The key for each child registers the name for the control.
 *
 * @usageNotes
 *
 * ### Create a form group with 2 controls
 *
 * ```
 * const form = new FormGroup({
 *   first: new FormControl('Nancy', Validators.minLength(2)),
 *   last: new FormControl('Drew'),
 * });
 *
 * console.log(form.value);   // {first: 'Nancy', last; 'Drew'}
 * console.log(form.status);  // 'VALID'
 * ```
 *
 * ### Create a form group with a group-level validator
 *
 * You include group-level validators as the second arg, or group-level async
 * validators as the third arg. These come in handy when you want to perform validation
 * that considers the value of more than one child control.
 *
 * ```
 * const form = new FormGroup({
 *   password: new FormControl('', Validators.minLength(2)),
 *   passwordConfirm: new FormControl('', Validators.minLength(2)),
 * }, passwordMatchValidator);
 *
 *
 * function passwordMatchValidator(g: FormGroup) {
 *    return g.get('password').value === g.get('passwordConfirm').value
 *       ? null : {'mismatch': true};
 * }
 * ```
 *
 * Like `FormControl` instances, you choose to pass in
 * validators and async validators as part of an options object.
 *
 * ```
 * const form = new FormGroup({
 *   password: new FormControl('')
 *   passwordConfirm: new FormControl('')
 * }, { validators: passwordMatchValidator, asyncValidators: otherValidator });
 * ```
 *
 * ### Set the updateOn property for all controls in a form group
 *
 * The options object is used to set a default value for each child
 * control's `updateOn` property. If you set `updateOn` to `'blur'` at the
 * group level, all child controls default to 'blur', unless the child
 * has explicitly specified a different `updateOn` value.
 *
 * ```ts
 * const c = new FormGroup({
 *   one: new FormControl()
 * }, { updateOn: 'blur' });
 * ```
 *
 * @publicApi
 */
class FormGroup extends AbstractControl {
    /**
     * Creates a new `FormGroup` instance.
     *
     * @param controls A collection of child controls. The key for each child is the name
     * under which it is registered.
     *
     * @param validatorOrOpts A synchronous validator function, or an array of
     * such functions, or an `AbstractControlOptions` object that contains validation functions
     * and a validation trigger.
     *
     * @param asyncValidator A single async validator or array of async validator functions
     *
     */
    constructor(controls, validatorOrOpts, asyncValidator) {
        super(pickValidators(validatorOrOpts), pickAsyncValidators(asyncValidator, validatorOrOpts));
        this.controls = controls;
        this._initObservables();
        this._setUpdateStrategy(validatorOrOpts);
        this._setUpControls();
        this.updateValueAndValidity({
            onlySelf: true,
            // If `asyncValidator` is present, it will trigger control status change from `PENDING` to
            // `VALID` or `INVALID`. The status should be broadcasted via the `statusChanges` observable,
            // so we set `emitEvent` to `true` to allow that during the control creation process.
            emitEvent: !!this.asyncValidator
        });
    }
    /**
     * Registers a control with the group's list of controls.
     *
     * This method does not update the value or validity of the control.
     * Use {@link FormGroup#addControl addControl} instead.
     *
     * @param name The control name to register in the collection
     * @param control Provides the control for the given name
     */
    registerControl(name, control) {
        if (this.controls[name])
            return this.controls[name];
        this.controls[name] = control;
        control.setParent(this);
        control._registerOnCollectionChange(this._onCollectionChange);
        return control;
    }
    /**
     * Add a control to this group.
     *
     * If a control with a given name already exists, it would *not* be replaced with a new one.
     * If you want to replace an existing control, use the {@link FormGroup#setControl setControl}
     * method instead. This method also updates the value and validity of the control.
     *
     * @param name The control name to add to the collection
     * @param control Provides the control for the given name
     * @param options Specifies whether this FormGroup instance should emit events after a new
     *     control is added.
     * * `emitEvent`: When true or not supplied (the default), both the `statusChanges` and
     * `valueChanges` observables emit events with the latest status and value when the control is
     * added. When false, no events are emitted.
     */
    addControl(name, control, options = {}) {
        this.registerControl(name, control);
        this.updateValueAndValidity({ emitEvent: options.emitEvent });
        this._onCollectionChange();
    }
    /**
     * Remove a control from this group.
     *
     * This method also updates the value and validity of the control.
     *
     * @param name The control name to remove from the collection
     * @param options Specifies whether this FormGroup instance should emit events after a
     *     control is removed.
     * * `emitEvent`: When true or not supplied (the default), both the `statusChanges` and
     * `valueChanges` observables emit events with the latest status and value when the control is
     * removed. When false, no events are emitted.
     */
    removeControl(name, options = {}) {
        if (this.controls[name])
            this.controls[name]._registerOnCollectionChange(() => { });
        delete (this.controls[name]);
        this.updateValueAndValidity({ emitEvent: options.emitEvent });
        this._onCollectionChange();
    }
    /**
     * Replace an existing control.
     *
     * If a control with a given name does not exist in this `FormGroup`, it will be added.
     *
     * @param name The control name to replace in the collection
     * @param control Provides the control for the given name
     * @param options Specifies whether this FormGroup instance should emit events after an
     *     existing control is replaced.
     * * `emitEvent`: When true or not supplied (the default), both the `statusChanges` and
     * `valueChanges` observables emit events with the latest status and value when the control is
     * replaced with a new one. When false, no events are emitted.
     */
    setControl(name, control, options = {}) {
        if (this.controls[name])
            this.controls[name]._registerOnCollectionChange(() => { });
        delete (this.controls[name]);
        if (control)
            this.registerControl(name, control);
        this.updateValueAndValidity({ emitEvent: options.emitEvent });
        this._onCollectionChange();
    }
    /**
     * Check whether there is an enabled control with the given name in the group.
     *
     * Reports false for disabled controls. If you'd like to check for existence in the group
     * only, use {@link AbstractControl#get get} instead.
     *
     * @param controlName The control name to check for existence in the collection
     *
     * @returns false for disabled controls, true otherwise.
     */
    contains(controlName) {
        return this.controls.hasOwnProperty(controlName) && this.controls[controlName].enabled;
    }
    /**
     * Sets the value of the `FormGroup`. It accepts an object that matches
     * the structure of the group, with control names as keys.
     *
     * @usageNotes
     * ### Set the complete value for the form group
     *
     * ```
     * const form = new FormGroup({
     *   first: new FormControl(),
     *   last: new FormControl()
     * });
     *
     * console.log(form.value);   // {first: null, last: null}
     *
     * form.setValue({first: 'Nancy', last: 'Drew'});
     * console.log(form.value);   // {first: 'Nancy', last: 'Drew'}
     * ```
     *
     * @throws When strict checks fail, such as setting the value of a control
     * that doesn't exist or if you exclude a value of a control that does exist.
     *
     * @param value The new value for the control that matches the structure of the group.
     * @param options Configuration options that determine how the control propagates changes
     * and emits events after the value changes.
     * The configuration options are passed to the {@link AbstractControl#updateValueAndValidity
     * updateValueAndValidity} method.
     *
     * * `onlySelf`: When true, each change only affects this control, and not its parent. Default is
     * false.
     * * `emitEvent`: When true or not supplied (the default), both the `statusChanges` and
     * `valueChanges`
     * observables emit events with the latest status and value when the control value is updated.
     * When false, no events are emitted.
     */
    setValue(value, options = {}) {
        this._checkAllValuesPresent(value);
        Object.keys(value).forEach(name => {
            this._throwIfControlMissing(name);
            this.controls[name].setValue(value[name], { onlySelf: true, emitEvent: options.emitEvent });
        });
        this.updateValueAndValidity(options);
    }
    /**
     * Patches the value of the `FormGroup`. It accepts an object with control
     * names as keys, and does its best to match the values to the correct controls
     * in the group.
     *
     * It accepts both super-sets and sub-sets of the group without throwing an error.
     *
     * @usageNotes
     * ### Patch the value for a form group
     *
     * ```
     * const form = new FormGroup({
     *    first: new FormControl(),
     *    last: new FormControl()
     * });
     * console.log(form.value);   // {first: null, last: null}
     *
     * form.patchValue({first: 'Nancy'});
     * console.log(form.value);   // {first: 'Nancy', last: null}
     * ```
     *
     * @param value The object that matches the structure of the group.
     * @param options Configuration options that determine how the control propagates changes and
     * emits events after the value is patched.
     * * `onlySelf`: When true, each change only affects this control and not its parent. Default is
     * true.
     * * `emitEvent`: When true or not supplied (the default), both the `statusChanges` and
     * `valueChanges` observables emit events with the latest status and value when the control value
     * is updated. When false, no events are emitted. The configuration options are passed to
     * the {@link AbstractControl#updateValueAndValidity updateValueAndValidity} method.
     */
    patchValue(value, options = {}) {
        // Even though the `value` argument type doesn't allow `null` and `undefined` values, the
        // `patchValue` can be called recursively and inner data structures might have these values, so
        // we just ignore such cases when a field containing FormGroup instance receives `null` or
        // `undefined` as a value.
        if (value == null /* both `null` and `undefined` */)
            return;
        Object.keys(value).forEach(name => {
            if (this.controls[name]) {
                this.controls[name].patchValue(value[name], { onlySelf: true, emitEvent: options.emitEvent });
            }
        });
        this.updateValueAndValidity(options);
    }
    /**
     * Resets the `FormGroup`, marks all descendants `pristine` and `untouched` and sets
     * the value of all descendants to null.
     *
     * You reset to a specific form state by passing in a map of states
     * that matches the structure of your form, with control names as keys. The state
     * is a standalone value or a form state object with both a value and a disabled
     * status.
     *
     * @param value Resets the control with an initial value,
     * or an object that defines the initial value and disabled state.
     *
     * @param options Configuration options that determine how the control propagates changes
     * and emits events when the group is reset.
     * * `onlySelf`: When true, each change only affects this control, and not its parent. Default is
     * false.
     * * `emitEvent`: When true or not supplied (the default), both the `statusChanges` and
     * `valueChanges`
     * observables emit events with the latest status and value when the control is reset.
     * When false, no events are emitted.
     * The configuration options are passed to the {@link AbstractControl#updateValueAndValidity
     * updateValueAndValidity} method.
     *
     * @usageNotes
     *
     * ### Reset the form group values
     *
     * ```ts
     * const form = new FormGroup({
     *   first: new FormControl('first name'),
     *   last: new FormControl('last name')
     * });
     *
     * console.log(form.value);  // {first: 'first name', last: 'last name'}
     *
     * form.reset({ first: 'name', last: 'last name' });
     *
     * console.log(form.value);  // {first: 'name', last: 'last name'}
     * ```
     *
     * ### Reset the form group values and disabled status
     *
     * ```
     * const form = new FormGroup({
     *   first: new FormControl('first name'),
     *   last: new FormControl('last name')
     * });
     *
     * form.reset({
     *   first: {value: 'name', disabled: true},
     *   last: 'last'
     * });
     *
     * console.log(form.value);  // {last: 'last'}
     * console.log(form.get('first').status);  // 'DISABLED'
     * ```
     */
    reset(value = {}, options = {}) {
        this._forEachChild((control, name) => {
            control.reset(value[name], { onlySelf: true, emitEvent: options.emitEvent });
        });
        this._updatePristine(options);
        this._updateTouched(options);
        this.updateValueAndValidity(options);
    }
    /**
     * The aggregate value of the `FormGroup`, including any disabled controls.
     *
     * Retrieves all values regardless of disabled status.
     * The `value` property is the best way to get the value of the group, because
     * it excludes disabled controls in the `FormGroup`.
     */
    getRawValue() {
        return this._reduceChildren({}, (acc, control, name) => {
            acc[name] = control instanceof FormControl ? control.value : control.getRawValue();
            return acc;
        });
    }
    /** @internal */
    _syncPendingControls() {
        let subtreeUpdated = this._reduceChildren(false, (updated, child) => {
            return child._syncPendingControls() ? true : updated;
        });
        if (subtreeUpdated)
            this.updateValueAndValidity({ onlySelf: true });
        return subtreeUpdated;
    }
    /** @internal */
    _throwIfControlMissing(name) {
        if (!Object.keys(this.controls).length) {
            throw new Error(`
        There are no form controls registered with this group yet. If you're using ngModel,
        you may want to check next tick (e.g. use setTimeout).
      `);
        }
        if (!this.controls[name]) {
            throw new Error(`Cannot find form control with name: ${name}.`);
        }
    }
    /** @internal */
    _forEachChild(cb) {
        Object.keys(this.controls).forEach(key => {
            // The list of controls can change (for ex. controls might be removed) while the loop
            // is running (as a result of invoking Forms API in `valueChanges` subscription), so we
            // have to null check before invoking the callback.
            const control = this.controls[key];
            control && cb(control, key);
        });
    }
    /** @internal */
    _setUpControls() {
        this._forEachChild((control) => {
            control.setParent(this);
            control._registerOnCollectionChange(this._onCollectionChange);
        });
    }
    /** @internal */
    _updateValue() {
        this.value = this._reduceValue();
    }
    /** @internal */
    _anyControls(condition) {
        for (const controlName of Object.keys(this.controls)) {
            const control = this.controls[controlName];
            if (this.contains(controlName) && condition(control)) {
                return true;
            }
        }
        return false;
    }
    /** @internal */
    _reduceValue() {
        return this._reduceChildren({}, (acc, control, name) => {
            if (control.enabled || this.disabled) {
                acc[name] = control.value;
            }
            return acc;
        });
    }
    /** @internal */
    _reduceChildren(initValue, fn) {
        let res = initValue;
        this._forEachChild((control, name) => {
            res = fn(res, control, name);
        });
        return res;
    }
    /** @internal */
    _allControlsDisabled() {
        for (const controlName of Object.keys(this.controls)) {
            if (this.controls[controlName].enabled) {
                return false;
            }
        }
        return Object.keys(this.controls).length > 0 || this.disabled;
    }
    /** @internal */
    _checkAllValuesPresent(value) {
        this._forEachChild((control, name) => {
            if (value[name] === undefined) {
                throw new Error(`Must supply a value for form control with name: '${name}'.`);
            }
        });
    }
}
/**
 * Tracks the value and validity state of an array of `FormControl`,
 * `FormGroup` or `FormArray` instances.
 *
 * A `FormArray` aggregates the values of each child `FormControl` into an array.
 * It calculates its status by reducing the status values of its children. For example, if one of
 * the controls in a `FormArray` is invalid, the entire array becomes invalid.
 *
 * `FormArray` is one of the three fundamental building blocks used to define forms in Angular,
 * along with `FormControl` and `FormGroup`.
 *
 * @usageNotes
 *
 * ### Create an array of form controls
 *
 * ```
 * const arr = new FormArray([
 *   new FormControl('Nancy', Validators.minLength(2)),
 *   new FormControl('Drew'),
 * ]);
 *
 * console.log(arr.value);   // ['Nancy', 'Drew']
 * console.log(arr.status);  // 'VALID'
 * ```
 *
 * ### Create a form array with array-level validators
 *
 * You include array-level validators and async validators. These come in handy
 * when you want to perform validation that considers the value of more than one child
 * control.
 *
 * The two types of validators are passed in separately as the second and third arg
 * respectively, or together as part of an options object.
 *
 * ```
 * const arr = new FormArray([
 *   new FormControl('Nancy'),
 *   new FormControl('Drew')
 * ], {validators: myValidator, asyncValidators: myAsyncValidator});
 * ```
 *
 * ### Set the updateOn property for all controls in a form array
 *
 * The options object is used to set a default value for each child
 * control's `updateOn` property. If you set `updateOn` to `'blur'` at the
 * array level, all child controls default to 'blur', unless the child
 * has explicitly specified a different `updateOn` value.
 *
 * ```ts
 * const arr = new FormArray([
 *    new FormControl()
 * ], {updateOn: 'blur'});
 * ```
 *
 * ### Adding or removing controls from a form array
 *
 * To change the controls in the array, use the `push`, `insert`, `removeAt` or `clear` methods
 * in `FormArray` itself. These methods ensure the controls are properly tracked in the
 * form's hierarchy. Do not modify the array of `AbstractControl`s used to instantiate
 * the `FormArray` directly, as that result in strange and unexpected behavior such
 * as broken change detection.
 *
 * @publicApi
 */
class FormArray extends AbstractControl {
    /**
     * Creates a new `FormArray` instance.
     *
     * @param controls An array of child controls. Each child control is given an index
     * where it is registered.
     *
     * @param validatorOrOpts A synchronous validator function, or an array of
     * such functions, or an `AbstractControlOptions` object that contains validation functions
     * and a validation trigger.
     *
     * @param asyncValidator A single async validator or array of async validator functions
     *
     */
    constructor(controls, validatorOrOpts, asyncValidator) {
        super(pickValidators(validatorOrOpts), pickAsyncValidators(asyncValidator, validatorOrOpts));
        this.controls = controls;
        this._initObservables();
        this._setUpdateStrategy(validatorOrOpts);
        this._setUpControls();
        this.updateValueAndValidity({
            onlySelf: true,
            // If `asyncValidator` is present, it will trigger control status change from `PENDING` to
            // `VALID` or `INVALID`.
            // The status should be broadcasted via the `statusChanges` observable, so we set `emitEvent`
            // to `true` to allow that during the control creation process.
            emitEvent: !!this.asyncValidator
        });
    }
    /**
     * Get the `AbstractControl` at the given `index` in the array.
     *
     * @param index Index in the array to retrieve the control
     */
    at(index) {
        return this.controls[index];
    }
    /**
     * Insert a new `AbstractControl` at the end of the array.
     *
     * @param control Form control to be inserted
     * @param options Specifies whether this FormArray instance should emit events after a new
     *     control is added.
     * * `emitEvent`: When true or not supplied (the default), both the `statusChanges` and
     * `valueChanges` observables emit events with the latest status and value when the control is
     * inserted. When false, no events are emitted.
     */
    push(control, options = {}) {
        this.controls.push(control);
        this._registerControl(control);
        this.updateValueAndValidity({ emitEvent: options.emitEvent });
        this._onCollectionChange();
    }
    /**
     * Insert a new `AbstractControl` at the given `index` in the array.
     *
     * @param index Index in the array to insert the control
     * @param control Form control to be inserted
     * @param options Specifies whether this FormArray instance should emit events after a new
     *     control is inserted.
     * * `emitEvent`: When true or not supplied (the default), both the `statusChanges` and
     * `valueChanges` observables emit events with the latest status and value when the control is
     * inserted. When false, no events are emitted.
     */
    insert(index, control, options = {}) {
        this.controls.splice(index, 0, control);
        this._registerControl(control);
        this.updateValueAndValidity({ emitEvent: options.emitEvent });
    }
    /**
     * Remove the control at the given `index` in the array.
     *
     * @param index Index in the array to remove the control
     * @param options Specifies whether this FormArray instance should emit events after a
     *     control is removed.
     * * `emitEvent`: When true or not supplied (the default), both the `statusChanges` and
     * `valueChanges` observables emit events with the latest status and value when the control is
     * removed. When false, no events are emitted.
     */
    removeAt(index, options = {}) {
        if (this.controls[index])
            this.controls[index]._registerOnCollectionChange(() => { });
        this.controls.splice(index, 1);
        this.updateValueAndValidity({ emitEvent: options.emitEvent });
    }
    /**
     * Replace an existing control.
     *
     * @param index Index in the array to replace the control
     * @param control The `AbstractControl` control to replace the existing control
     * @param options Specifies whether this FormArray instance should emit events after an
     *     existing control is replaced with a new one.
     * * `emitEvent`: When true or not supplied (the default), both the `statusChanges` and
     * `valueChanges` observables emit events with the latest status and value when the control is
     * replaced with a new one. When false, no events are emitted.
     */
    setControl(index, control, options = {}) {
        if (this.controls[index])
            this.controls[index]._registerOnCollectionChange(() => { });
        this.controls.splice(index, 1);
        if (control) {
            this.controls.splice(index, 0, control);
            this._registerControl(control);
        }
        this.updateValueAndValidity({ emitEvent: options.emitEvent });
        this._onCollectionChange();
    }
    /**
     * Length of the control array.
     */
    get length() {
        return this.controls.length;
    }
    /**
     * Sets the value of the `FormArray`. It accepts an array that matches
     * the structure of the control.
     *
     * This method performs strict checks, and throws an error if you try
     * to set the value of a control that doesn't exist or if you exclude the
     * value of a control.
     *
     * @usageNotes
     * ### Set the values for the controls in the form array
     *
     * ```
     * const arr = new FormArray([
     *   new FormControl(),
     *   new FormControl()
     * ]);
     * console.log(arr.value);   // [null, null]
     *
     * arr.setValue(['Nancy', 'Drew']);
     * console.log(arr.value);   // ['Nancy', 'Drew']
     * ```
     *
     * @param value Array of values for the controls
     * @param options Configure options that determine how the control propagates changes and
     * emits events after the value changes
     *
     * * `onlySelf`: When true, each change only affects this control, and not its parent. Default
     * is false.
     * * `emitEvent`: When true or not supplied (the default), both the `statusChanges` and
     * `valueChanges`
     * observables emit events with the latest status and value when the control value is updated.
     * When false, no events are emitted.
     * The configuration options are passed to the {@link AbstractControl#updateValueAndValidity
     * updateValueAndValidity} method.
     */
    setValue(value, options = {}) {
        this._checkAllValuesPresent(value);
        value.forEach((newValue, index) => {
            this._throwIfControlMissing(index);
            this.at(index).setValue(newValue, { onlySelf: true, emitEvent: options.emitEvent });
        });
        this.updateValueAndValidity(options);
    }
    /**
     * Patches the value of the `FormArray`. It accepts an array that matches the
     * structure of the control, and does its best to match the values to the correct
     * controls in the group.
     *
     * It accepts both super-sets and sub-sets of the array without throwing an error.
     *
     * @usageNotes
     * ### Patch the values for controls in a form array
     *
     * ```
     * const arr = new FormArray([
     *    new FormControl(),
     *    new FormControl()
     * ]);
     * console.log(arr.value);   // [null, null]
     *
     * arr.patchValue(['Nancy']);
     * console.log(arr.value);   // ['Nancy', null]
     * ```
     *
     * @param value Array of latest values for the controls
     * @param options Configure options that determine how the control propagates changes and
     * emits events after the value changes
     *
     * * `onlySelf`: When true, each change only affects this control, and not its parent. Default
     * is false.
     * * `emitEvent`: When true or not supplied (the default), both the `statusChanges` and
     * `valueChanges` observables emit events with the latest status and value when the control value
     * is updated. When false, no events are emitted. The configuration options are passed to
     * the {@link AbstractControl#updateValueAndValidity updateValueAndValidity} method.
     */
    patchValue(value, options = {}) {
        // Even though the `value` argument type doesn't allow `null` and `undefined` values, the
        // `patchValue` can be called recursively and inner data structures might have these values, so
        // we just ignore such cases when a field containing FormArray instance receives `null` or
        // `undefined` as a value.
        if (value == null /* both `null` and `undefined` */)
            return;
        value.forEach((newValue, index) => {
            if (this.at(index)) {
                this.at(index).patchValue(newValue, { onlySelf: true, emitEvent: options.emitEvent });
            }
        });
        this.updateValueAndValidity(options);
    }
    /**
     * Resets the `FormArray` and all descendants are marked `pristine` and `untouched`, and the
     * value of all descendants to null or null maps.
     *
     * You reset to a specific form state by passing in an array of states
     * that matches the structure of the control. The state is a standalone value
     * or a form state object with both a value and a disabled status.
     *
     * @usageNotes
     * ### Reset the values in a form array
     *
     * ```ts
     * const arr = new FormArray([
     *    new FormControl(),
     *    new FormControl()
     * ]);
     * arr.reset(['name', 'last name']);
     *
     * console.log(arr.value);  // ['name', 'last name']
     * ```
     *
     * ### Reset the values in a form array and the disabled status for the first control
     *
     * ```
     * arr.reset([
     *   {value: 'name', disabled: true},
     *   'last'
     * ]);
     *
     * console.log(arr.value);  // ['last']
     * console.log(arr.at(0).status);  // 'DISABLED'
     * ```
     *
     * @param value Array of values for the controls
     * @param options Configure options that determine how the control propagates changes and
     * emits events after the value changes
     *
     * * `onlySelf`: When true, each change only affects this control, and not its parent. Default
     * is false.
     * * `emitEvent`: When true or not supplied (the default), both the `statusChanges` and
     * `valueChanges`
     * observables emit events with the latest status and value when the control is reset.
     * When false, no events are emitted.
     * The configuration options are passed to the {@link AbstractControl#updateValueAndValidity
     * updateValueAndValidity} method.
     */
    reset(value = [], options = {}) {
        this._forEachChild((control, index) => {
            control.reset(value[index], { onlySelf: true, emitEvent: options.emitEvent });
        });
        this._updatePristine(options);
        this._updateTouched(options);
        this.updateValueAndValidity(options);
    }
    /**
     * The aggregate value of the array, including any disabled controls.
     *
     * Reports all values regardless of disabled status.
     * For enabled controls only, the `value` property is the best way to get the value of the array.
     */
    getRawValue() {
        return this.controls.map((control) => {
            return control instanceof FormControl ? control.value : control.getRawValue();
        });
    }
    /**
     * Remove all controls in the `FormArray`.
     *
     * @param options Specifies whether this FormArray instance should emit events after all
     *     controls are removed.
     * * `emitEvent`: When true or not supplied (the default), both the `statusChanges` and
     * `valueChanges` observables emit events with the latest status and value when all controls
     * in this FormArray instance are removed. When false, no events are emitted.
     *
     * @usageNotes
     * ### Remove all elements from a FormArray
     *
     * ```ts
     * const arr = new FormArray([
     *    new FormControl(),
     *    new FormControl()
     * ]);
     * console.log(arr.length);  // 2
     *
     * arr.clear();
     * console.log(arr.length);  // 0
     * ```
     *
     * It's a simpler and more efficient alternative to removing all elements one by one:
     *
     * ```ts
     * const arr = new FormArray([
     *    new FormControl(),
     *    new FormControl()
     * ]);
     *
     * while (arr.length) {
     *    arr.removeAt(0);
     * }
     * ```
     */
    clear(options = {}) {
        if (this.controls.length < 1)
            return;
        this._forEachChild((control) => control._registerOnCollectionChange(() => { }));
        this.controls.splice(0);
        this.updateValueAndValidity({ emitEvent: options.emitEvent });
    }
    /** @internal */
    _syncPendingControls() {
        let subtreeUpdated = this.controls.reduce((updated, child) => {
            return child._syncPendingControls() ? true : updated;
        }, false);
        if (subtreeUpdated)
            this.updateValueAndValidity({ onlySelf: true });
        return subtreeUpdated;
    }
    /** @internal */
    _throwIfControlMissing(index) {
        if (!this.controls.length) {
            throw new Error(`
        There are no form controls registered with this array yet. If you're using ngModel,
        you may want to check next tick (e.g. use setTimeout).
      `);
        }
        if (!this.at(index)) {
            throw new Error(`Cannot find form control at index ${index}`);
        }
    }
    /** @internal */
    _forEachChild(cb) {
        this.controls.forEach((control, index) => {
            cb(control, index);
        });
    }
    /** @internal */
    _updateValue() {
        this.value =
            this.controls.filter((control) => control.enabled || this.disabled)
                .map((control) => control.value);
    }
    /** @internal */
    _anyControls(condition) {
        return this.controls.some((control) => control.enabled && condition(control));
    }
    /** @internal */
    _setUpControls() {
        this._forEachChild((control) => this._registerControl(control));
    }
    /** @internal */
    _checkAllValuesPresent(value) {
        this._forEachChild((control, i) => {
            if (value[i] === undefined) {
                throw new Error(`Must supply a value for form control at index: ${i}.`);
            }
        });
    }
    /** @internal */
    _allControlsDisabled() {
        for (const control of this.controls) {
            if (control.enabled)
                return false;
        }
        return this.controls.length > 0 || this.disabled;
    }
    _registerControl(control) {
        control.setParent(this);
        control._registerOnCollectionChange(this._onCollectionChange);
    }
}

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
const formDirectiveProvider = {
    provide: ControlContainer,
    useExisting: (0,_angular_core__WEBPACK_IMPORTED_MODULE_0__.forwardRef)(() => NgForm)
};
const ɵ0 = () => Promise.resolve(null);
const resolvedPromise = (ɵ0)();
/**
 * @description
 * Creates a top-level `FormGroup` instance and binds it to a form
 * to track aggregate form value and validation status.
 *
 * As soon as you import the `FormsModule`, this directive becomes active by default on
 * all `<form>` tags.  You don't need to add a special selector.
 *
 * You optionally export the directive into a local template variable using `ngForm` as the key
 * (ex: `#myForm="ngForm"`). This is optional, but useful.  Many properties from the underlying
 * `FormGroup` instance are duplicated on the directive itself, so a reference to it
 * gives you access to the aggregate value and validity status of the form, as well as
 * user interaction properties like `dirty` and `touched`.
 *
 * To register child controls with the form, use `NgModel` with a `name`
 * attribute. You may use `NgModelGroup` to create sub-groups within the form.
 *
 * If necessary, listen to the directive's `ngSubmit` event to be notified when the user has
 * triggered a form submission. The `ngSubmit` event emits the original form
 * submission event.
 *
 * In template driven forms, all `<form>` tags are automatically tagged as `NgForm`.
 * To import the `FormsModule` but skip its usage in some forms,
 * for example, to use native HTML5 validation, add the `ngNoForm` and the `<form>`
 * tags won't create an `NgForm` directive. In reactive forms, using `ngNoForm` is
 * unnecessary because the `<form>` tags are inert. In that case, you would
 * refrain from using the `formGroup` directive.
 *
 * @usageNotes
 *
 * ### Listening for form submission
 *
 * The following example shows how to capture the form values from the "ngSubmit" event.
 *
 * {@example forms/ts/simpleForm/simple_form_example.ts region='Component'}
 *
 * ### Setting the update options
 *
 * The following example shows you how to change the "updateOn" option from its default using
 * ngFormOptions.
 *
 * ```html
 * <form [ngFormOptions]="{updateOn: 'blur'}">
 *    <input name="one" ngModel>  <!-- this ngModel will update on blur -->
 * </form>
 * ```
 *
 * ### Native DOM validation UI
 *
 * In order to prevent the native DOM form validation UI from interfering with Angular's form
 * validation, Angular automatically adds the `novalidate` attribute on any `<form>` whenever
 * `FormModule` or `ReactiveFormModule` are imported into the application.
 * If you want to explicitly enable native DOM validation UI with Angular forms, you can add the
 * `ngNativeValidate` attribute to the `<form>` element:
 *
 * ```html
 * <form ngNativeValidate>
 *   ...
 * </form>
 * ```
 *
 * @ngModule FormsModule
 * @publicApi
 */
class NgForm extends ControlContainer {
    constructor(validators, asyncValidators) {
        super();
        /**
         * @description
         * Returns whether the form submission has been triggered.
         */
        this.submitted = false;
        this._directives = [];
        /**
         * @description
         * Event emitter for the "ngSubmit" event
         */
        this.ngSubmit = new _angular_core__WEBPACK_IMPORTED_MODULE_0__.EventEmitter();
        this.form =
            new FormGroup({}, composeValidators(validators), composeAsyncValidators(asyncValidators));
    }
    /** @nodoc */
    ngAfterViewInit() {
        this._setUpdateStrategy();
    }
    /**
     * @description
     * The directive instance.
     */
    get formDirective() {
        return this;
    }
    /**
     * @description
     * The internal `FormGroup` instance.
     */
    get control() {
        return this.form;
    }
    /**
     * @description
     * Returns an array representing the path to this group. Because this directive
     * always lives at the top level of a form, it is always an empty array.
     */
    get path() {
        return [];
    }
    /**
     * @description
     * Returns a map of the controls in this group.
     */
    get controls() {
        return this.form.controls;
    }
    /**
     * @description
     * Method that sets up the control directive in this group, re-calculates its value
     * and validity, and adds the instance to the internal list of directives.
     *
     * @param dir The `NgModel` directive instance.
     */
    addControl(dir) {
        resolvedPromise.then(() => {
            const container = this._findContainer(dir.path);
            dir.control =
                container.registerControl(dir.name, dir.control);
            setUpControl(dir.control, dir);
            dir.control.updateValueAndValidity({ emitEvent: false });
            this._directives.push(dir);
        });
    }
    /**
     * @description
     * Retrieves the `FormControl` instance from the provided `NgModel` directive.
     *
     * @param dir The `NgModel` directive instance.
     */
    getControl(dir) {
        return this.form.get(dir.path);
    }
    /**
     * @description
     * Removes the `NgModel` instance from the internal list of directives
     *
     * @param dir The `NgModel` directive instance.
     */
    removeControl(dir) {
        resolvedPromise.then(() => {
            const container = this._findContainer(dir.path);
            if (container) {
                container.removeControl(dir.name);
            }
            removeListItem(this._directives, dir);
        });
    }
    /**
     * @description
     * Adds a new `NgModelGroup` directive instance to the form.
     *
     * @param dir The `NgModelGroup` directive instance.
     */
    addFormGroup(dir) {
        resolvedPromise.then(() => {
            const container = this._findContainer(dir.path);
            const group = new FormGroup({});
            setUpFormContainer(group, dir);
            container.registerControl(dir.name, group);
            group.updateValueAndValidity({ emitEvent: false });
        });
    }
    /**
     * @description
     * Removes the `NgModelGroup` directive instance from the form.
     *
     * @param dir The `NgModelGroup` directive instance.
     */
    removeFormGroup(dir) {
        resolvedPromise.then(() => {
            const container = this._findContainer(dir.path);
            if (container) {
                container.removeControl(dir.name);
            }
        });
    }
    /**
     * @description
     * Retrieves the `FormGroup` for a provided `NgModelGroup` directive instance
     *
     * @param dir The `NgModelGroup` directive instance.
     */
    getFormGroup(dir) {
        return this.form.get(dir.path);
    }
    /**
     * Sets the new value for the provided `NgControl` directive.
     *
     * @param dir The `NgControl` directive instance.
     * @param value The new value for the directive's control.
     */
    updateModel(dir, value) {
        resolvedPromise.then(() => {
            const ctrl = this.form.get(dir.path);
            ctrl.setValue(value);
        });
    }
    /**
     * @description
     * Sets the value for this `FormGroup`.
     *
     * @param value The new value
     */
    setValue(value) {
        this.control.setValue(value);
    }
    /**
     * @description
     * Method called when the "submit" event is triggered on the form.
     * Triggers the `ngSubmit` emitter to emit the "submit" event as its payload.
     *
     * @param $event The "submit" event object
     */
    onSubmit($event) {
        this.submitted = true;
        syncPendingControls(this.form, this._directives);
        this.ngSubmit.emit($event);
        return false;
    }
    /**
     * @description
     * Method called when the "reset" event is triggered on the form.
     */
    onReset() {
        this.resetForm();
    }
    /**
     * @description
     * Resets the form to an initial value and resets its submitted status.
     *
     * @param value The new value for the form.
     */
    resetForm(value = undefined) {
        this.form.reset(value);
        this.submitted = false;
    }
    _setUpdateStrategy() {
        if (this.options && this.options.updateOn != null) {
            this.form._updateOn = this.options.updateOn;
        }
    }
    /** @internal */
    _findContainer(path) {
        path.pop();
        return path.length ? this.form.get(path) : this.form;
    }
}
NgForm.ɵfac = function NgForm_Factory(t) { return new (t || NgForm)(_angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵɵdirectiveInject"](NG_VALIDATORS, 10), _angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵɵdirectiveInject"](NG_ASYNC_VALIDATORS, 10)); };
NgForm.ɵdir = /*@__PURE__*/ _angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵɵdefineDirective"]({ type: NgForm, selectors: [["form", 3, "ngNoForm", "", 3, "formGroup", ""], ["ng-form"], ["", "ngForm", ""]], hostBindings: function NgForm_HostBindings(rf, ctx) { if (rf & 1) {
        _angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵɵlistener"]("submit", function NgForm_submit_HostBindingHandler($event) { return ctx.onSubmit($event); })("reset", function NgForm_reset_HostBindingHandler() { return ctx.onReset(); });
    } }, inputs: { options: ["ngFormOptions", "options"] }, outputs: { ngSubmit: "ngSubmit" }, exportAs: ["ngForm"], features: [_angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵɵProvidersFeature"]([formDirectiveProvider]), _angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵɵInheritDefinitionFeature"]] });
NgForm.ctorParameters = () => [
    { type: Array, decorators: [{ type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Optional }, { type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Self }, { type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Inject, args: [NG_VALIDATORS,] }] },
    { type: Array, decorators: [{ type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Optional }, { type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Self }, { type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Inject, args: [NG_ASYNC_VALIDATORS,] }] }
];
NgForm.propDecorators = {
    options: [{ type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Input, args: ['ngFormOptions',] }]
};
(function () { (typeof ngDevMode === "undefined" || ngDevMode) && _angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵsetClassMetadata"](NgForm, [{
        type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Directive,
        args: [{
                selector: 'form:not([ngNoForm]):not([formGroup]),ng-form,[ngForm]',
                providers: [formDirectiveProvider],
                host: { '(submit)': 'onSubmit($event)', '(reset)': 'onReset()' },
                outputs: ['ngSubmit'],
                exportAs: 'ngForm'
            }]
    }], function () { return [{ type: Array, decorators: [{
                type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Optional
            }, {
                type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Self
            }, {
                type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Inject,
                args: [NG_VALIDATORS]
            }] }, { type: Array, decorators: [{
                type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Optional
            }, {
                type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Self
            }, {
                type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Inject,
                args: [NG_ASYNC_VALIDATORS]
            }] }]; }, { options: [{
            type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Input,
            args: ['ngFormOptions']
        }] }); })();

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
/**
 * @description
 * A base class for code shared between the `NgModelGroup` and `FormGroupName` directives.
 *
 * @publicApi
 */
class AbstractFormGroupDirective extends ControlContainer {
    /** @nodoc */
    ngOnInit() {
        this._checkParentType();
        // Register the group with its parent group.
        this.formDirective.addFormGroup(this);
    }
    /** @nodoc */
    ngOnDestroy() {
        if (this.formDirective) {
            // Remove the group from its parent group.
            this.formDirective.removeFormGroup(this);
        }
    }
    /**
     * @description
     * The `FormGroup` bound to this directive.
     */
    get control() {
        return this.formDirective.getFormGroup(this);
    }
    /**
     * @description
     * The path to this group from the top-level directive.
     */
    get path() {
        return controlPath(this.name == null ? this.name : this.name.toString(), this._parent);
    }
    /**
     * @description
     * The top-level directive for this group if present, otherwise null.
     */
    get formDirective() {
        return this._parent ? this._parent.formDirective : null;
    }
    /** @internal */
    _checkParentType() { }
}
AbstractFormGroupDirective.ɵfac = /*@__PURE__*/ function () { let ɵAbstractFormGroupDirective_BaseFactory; return function AbstractFormGroupDirective_Factory(t) { return (ɵAbstractFormGroupDirective_BaseFactory || (ɵAbstractFormGroupDirective_BaseFactory = _angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵɵgetInheritedFactory"](AbstractFormGroupDirective)))(t || AbstractFormGroupDirective); }; }();
AbstractFormGroupDirective.ɵdir = /*@__PURE__*/ _angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵɵdefineDirective"]({ type: AbstractFormGroupDirective, features: [_angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵɵInheritDefinitionFeature"]] });
(function () { (typeof ngDevMode === "undefined" || ngDevMode) && _angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵsetClassMetadata"](AbstractFormGroupDirective, [{
        type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Directive
    }], null, null); })();

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
class TemplateDrivenErrors {
    static modelParentException() {
        throw new Error(`
      ngModel cannot be used to register form controls with a parent formGroup directive.  Try using
      formGroup's partner directive "formControlName" instead.  Example:

      ${FormErrorExamples.formControlName}

      Or, if you'd like to avoid registering this form control, indicate that it's standalone in ngModelOptions:

      Example:

      ${FormErrorExamples.ngModelWithFormGroup}`);
    }
    static formGroupNameException() {
        throw new Error(`
      ngModel cannot be used to register form controls with a parent formGroupName or formArrayName directive.

      Option 1: Use formControlName instead of ngModel (reactive strategy):

      ${FormErrorExamples.formGroupName}

      Option 2:  Update ngModel's parent be ngModelGroup (template-driven strategy):

      ${FormErrorExamples.ngModelGroup}`);
    }
    static missingNameException() {
        throw new Error(`If ngModel is used within a form tag, either the name attribute must be set or the form
      control must be defined as 'standalone' in ngModelOptions.

      Example 1: <input [(ngModel)]="person.firstName" name="first">
      Example 2: <input [(ngModel)]="person.firstName" [ngModelOptions]="{standalone: true}">`);
    }
    static modelGroupParentException() {
        throw new Error(`
      ngModelGroup cannot be used with a parent formGroup directive.

      Option 1: Use formGroupName instead of ngModelGroup (reactive strategy):

      ${FormErrorExamples.formGroupName}

      Option 2:  Use a regular form tag instead of the formGroup directive (template-driven strategy):

      ${FormErrorExamples.ngModelGroup}`);
    }
}

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
const modelGroupProvider = {
    provide: ControlContainer,
    useExisting: (0,_angular_core__WEBPACK_IMPORTED_MODULE_0__.forwardRef)(() => NgModelGroup)
};
/**
 * @description
 * Creates and binds a `FormGroup` instance to a DOM element.
 *
 * This directive can only be used as a child of `NgForm` (within `<form>` tags).
 *
 * Use this directive to validate a sub-group of your form separately from the
 * rest of your form, or if some values in your domain model make more sense
 * to consume together in a nested object.
 *
 * Provide a name for the sub-group and it will become the key
 * for the sub-group in the form's full value. If you need direct access, export the directive into
 * a local template variable using `ngModelGroup` (ex: `#myGroup="ngModelGroup"`).
 *
 * @usageNotes
 *
 * ### Consuming controls in a grouping
 *
 * The following example shows you how to combine controls together in a sub-group
 * of the form.
 *
 * {@example forms/ts/ngModelGroup/ng_model_group_example.ts region='Component'}
 *
 * @ngModule FormsModule
 * @publicApi
 */
class NgModelGroup extends AbstractFormGroupDirective {
    constructor(parent, validators, asyncValidators) {
        super();
        this._parent = parent;
        this._setValidators(validators);
        this._setAsyncValidators(asyncValidators);
    }
    /** @internal */
    _checkParentType() {
        if (!(this._parent instanceof NgModelGroup) && !(this._parent instanceof NgForm) &&
            (typeof ngDevMode === 'undefined' || ngDevMode)) {
            TemplateDrivenErrors.modelGroupParentException();
        }
    }
}
NgModelGroup.ɵfac = function NgModelGroup_Factory(t) { return new (t || NgModelGroup)(_angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵɵdirectiveInject"](ControlContainer, 5), _angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵɵdirectiveInject"](NG_VALIDATORS, 10), _angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵɵdirectiveInject"](NG_ASYNC_VALIDATORS, 10)); };
NgModelGroup.ɵdir = /*@__PURE__*/ _angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵɵdefineDirective"]({ type: NgModelGroup, selectors: [["", "ngModelGroup", ""]], inputs: { name: ["ngModelGroup", "name"] }, exportAs: ["ngModelGroup"], features: [_angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵɵProvidersFeature"]([modelGroupProvider]), _angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵɵInheritDefinitionFeature"]] });
NgModelGroup.ctorParameters = () => [
    { type: ControlContainer, decorators: [{ type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Host }, { type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.SkipSelf }] },
    { type: Array, decorators: [{ type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Optional }, { type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Self }, { type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Inject, args: [NG_VALIDATORS,] }] },
    { type: Array, decorators: [{ type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Optional }, { type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Self }, { type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Inject, args: [NG_ASYNC_VALIDATORS,] }] }
];
NgModelGroup.propDecorators = {
    name: [{ type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Input, args: ['ngModelGroup',] }]
};
(function () { (typeof ngDevMode === "undefined" || ngDevMode) && _angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵsetClassMetadata"](NgModelGroup, [{
        type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Directive,
        args: [{ selector: '[ngModelGroup]', providers: [modelGroupProvider], exportAs: 'ngModelGroup' }]
    }], function () { return [{ type: ControlContainer, decorators: [{
                type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Host
            }, {
                type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.SkipSelf
            }] }, { type: Array, decorators: [{
                type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Optional
            }, {
                type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Self
            }, {
                type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Inject,
                args: [NG_VALIDATORS]
            }] }, { type: Array, decorators: [{
                type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Optional
            }, {
                type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Self
            }, {
                type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Inject,
                args: [NG_ASYNC_VALIDATORS]
            }] }]; }, { name: [{
            type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Input,
            args: ['ngModelGroup']
        }] }); })();

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
const formControlBinding = {
    provide: NgControl,
    useExisting: (0,_angular_core__WEBPACK_IMPORTED_MODULE_0__.forwardRef)(() => NgModel)
};
const ɵ0$1 = () => Promise.resolve(null);
/**
 * `ngModel` forces an additional change detection run when its inputs change:
 * E.g.:
 * ```
 * <div>{{myModel.valid}}</div>
 * <input [(ngModel)]="myValue" #myModel="ngModel">
 * ```
 * I.e. `ngModel` can export itself on the element and then be used in the template.
 * Normally, this would result in expressions before the `input` that use the exported directive
 * to have an old value as they have been
 * dirty checked before. As this is a very common case for `ngModel`, we added this second change
 * detection run.
 *
 * Notes:
 * - this is just one extra run no matter how many `ngModel`s have been changed.
 * - this is a general problem when using `exportAs` for directives!
 */
const resolvedPromise$1 = (ɵ0$1)();
/**
 * @description
 * Creates a `FormControl` instance from a domain model and binds it
 * to a form control element.
 *
 * The `FormControl` instance tracks the value, user interaction, and
 * validation status of the control and keeps the view synced with the model. If used
 * within a parent form, the directive also registers itself with the form as a child
 * control.
 *
 * This directive is used by itself or as part of a larger form. Use the
 * `ngModel` selector to activate it.
 *
 * It accepts a domain model as an optional `Input`. If you have a one-way binding
 * to `ngModel` with `[]` syntax, changing the domain model's value in the component
 * class sets the value in the view. If you have a two-way binding with `[()]` syntax
 * (also known as 'banana-in-a-box syntax'), the value in the UI always syncs back to
 * the domain model in your class.
 *
 * To inspect the properties of the associated `FormControl` (like the validity state),
 * export the directive into a local template variable using `ngModel` as the key (ex:
 * `#myVar="ngModel"`). You can then access the control using the directive's `control` property.
 * However, the most commonly used properties (like `valid` and `dirty`) also exist on the control
 * for direct access. See a full list of properties directly available in
 * `AbstractControlDirective`.
 *
 * @see `RadioControlValueAccessor`
 * @see `SelectControlValueAccessor`
 *
 * @usageNotes
 *
 * ### Using ngModel on a standalone control
 *
 * The following examples show a simple standalone control using `ngModel`:
 *
 * {@example forms/ts/simpleNgModel/simple_ng_model_example.ts region='Component'}
 *
 * When using the `ngModel` within `<form>` tags, you'll also need to supply a `name` attribute
 * so that the control can be registered with the parent form under that name.
 *
 * In the context of a parent form, it's often unnecessary to include one-way or two-way binding,
 * as the parent form syncs the value for you. You access its properties by exporting it into a
 * local template variable using `ngForm` such as (`#f="ngForm"`). Use the variable where
 * needed on form submission.
 *
 * If you do need to populate initial values into your form, using a one-way binding for
 * `ngModel` tends to be sufficient as long as you use the exported form's value rather
 * than the domain model's value on submit.
 *
 * ### Using ngModel within a form
 *
 * The following example shows controls using `ngModel` within a form:
 *
 * {@example forms/ts/simpleForm/simple_form_example.ts region='Component'}
 *
 * ### Using a standalone ngModel within a group
 *
 * The following example shows you how to use a standalone ngModel control
 * within a form. This controls the display of the form, but doesn't contain form data.
 *
 * ```html
 * <form>
 *   <input name="login" ngModel placeholder="Login">
 *   <input type="checkbox" ngModel [ngModelOptions]="{standalone: true}"> Show more options?
 * </form>
 * <!-- form value: {login: ''} -->
 * ```
 *
 * ### Setting the ngModel `name` attribute through options
 *
 * The following example shows you an alternate way to set the name attribute. Here,
 * an attribute identified as name is used within a custom form control component. To still be able
 * to specify the NgModel's name, you must specify it using the `ngModelOptions` input instead.
 *
 * ```html
 * <form>
 *   <my-custom-form-control name="Nancy" ngModel [ngModelOptions]="{name: 'user'}">
 *   </my-custom-form-control>
 * </form>
 * <!-- form value: {user: ''} -->
 * ```
 *
 * @ngModule FormsModule
 * @publicApi
 */
class NgModel extends NgControl {
    constructor(parent, validators, asyncValidators, valueAccessors) {
        super();
        this.control = new FormControl();
        /** @internal */
        this._registered = false;
        /**
         * @description
         * Event emitter for producing the `ngModelChange` event after
         * the view model updates.
         */
        this.update = new _angular_core__WEBPACK_IMPORTED_MODULE_0__.EventEmitter();
        this._parent = parent;
        this._setValidators(validators);
        this._setAsyncValidators(asyncValidators);
        this.valueAccessor = selectValueAccessor(this, valueAccessors);
    }
    /** @nodoc */
    ngOnChanges(changes) {
        this._checkForErrors();
        if (!this._registered)
            this._setUpControl();
        if ('isDisabled' in changes) {
            this._updateDisabled(changes);
        }
        if (isPropertyUpdated(changes, this.viewModel)) {
            this._updateValue(this.model);
            this.viewModel = this.model;
        }
    }
    /** @nodoc */
    ngOnDestroy() {
        this.formDirective && this.formDirective.removeControl(this);
    }
    /**
     * @description
     * Returns an array that represents the path from the top-level form to this control.
     * Each index is the string name of the control on that level.
     */
    get path() {
        return this._parent ? controlPath(this.name, this._parent) : [this.name];
    }
    /**
     * @description
     * The top-level directive for this control if present, otherwise null.
     */
    get formDirective() {
        return this._parent ? this._parent.formDirective : null;
    }
    /**
     * @description
     * Sets the new value for the view model and emits an `ngModelChange` event.
     *
     * @param newValue The new value emitted by `ngModelChange`.
     */
    viewToModelUpdate(newValue) {
        this.viewModel = newValue;
        this.update.emit(newValue);
    }
    _setUpControl() {
        this._setUpdateStrategy();
        this._isStandalone() ? this._setUpStandalone() : this.formDirective.addControl(this);
        this._registered = true;
    }
    _setUpdateStrategy() {
        if (this.options && this.options.updateOn != null) {
            this.control._updateOn = this.options.updateOn;
        }
    }
    _isStandalone() {
        return !this._parent || !!(this.options && this.options.standalone);
    }
    _setUpStandalone() {
        setUpControl(this.control, this);
        this.control.updateValueAndValidity({ emitEvent: false });
    }
    _checkForErrors() {
        if (!this._isStandalone()) {
            this._checkParentType();
        }
        this._checkName();
    }
    _checkParentType() {
        if (typeof ngDevMode === 'undefined' || ngDevMode) {
            if (!(this._parent instanceof NgModelGroup) &&
                this._parent instanceof AbstractFormGroupDirective) {
                TemplateDrivenErrors.formGroupNameException();
            }
            else if (!(this._parent instanceof NgModelGroup) && !(this._parent instanceof NgForm)) {
                TemplateDrivenErrors.modelParentException();
            }
        }
    }
    _checkName() {
        if (this.options && this.options.name)
            this.name = this.options.name;
        if (!this._isStandalone() && !this.name && (typeof ngDevMode === 'undefined' || ngDevMode)) {
            TemplateDrivenErrors.missingNameException();
        }
    }
    _updateValue(value) {
        resolvedPromise$1.then(() => {
            this.control.setValue(value, { emitViewToModelChange: false });
        });
    }
    _updateDisabled(changes) {
        const disabledValue = changes['isDisabled'].currentValue;
        const isDisabled = disabledValue === '' || (disabledValue && disabledValue !== 'false');
        resolvedPromise$1.then(() => {
            if (isDisabled && !this.control.disabled) {
                this.control.disable();
            }
            else if (!isDisabled && this.control.disabled) {
                this.control.enable();
            }
        });
    }
}
NgModel.ɵfac = function NgModel_Factory(t) { return new (t || NgModel)(_angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵɵdirectiveInject"](ControlContainer, 9), _angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵɵdirectiveInject"](NG_VALIDATORS, 10), _angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵɵdirectiveInject"](NG_ASYNC_VALIDATORS, 10), _angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵɵdirectiveInject"](NG_VALUE_ACCESSOR, 10)); };
NgModel.ɵdir = /*@__PURE__*/ _angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵɵdefineDirective"]({ type: NgModel, selectors: [["", "ngModel", "", 3, "formControlName", "", 3, "formControl", ""]], inputs: { name: "name", isDisabled: ["disabled", "isDisabled"], model: ["ngModel", "model"], options: ["ngModelOptions", "options"] }, outputs: { update: "ngModelChange" }, exportAs: ["ngModel"], features: [_angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵɵProvidersFeature"]([formControlBinding]), _angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵɵInheritDefinitionFeature"], _angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵɵNgOnChangesFeature"]] });
NgModel.ctorParameters = () => [
    { type: ControlContainer, decorators: [{ type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Optional }, { type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Host }] },
    { type: Array, decorators: [{ type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Optional }, { type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Self }, { type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Inject, args: [NG_VALIDATORS,] }] },
    { type: Array, decorators: [{ type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Optional }, { type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Self }, { type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Inject, args: [NG_ASYNC_VALIDATORS,] }] },
    { type: Array, decorators: [{ type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Optional }, { type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Self }, { type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Inject, args: [NG_VALUE_ACCESSOR,] }] }
];
NgModel.propDecorators = {
    name: [{ type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Input }],
    isDisabled: [{ type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Input, args: ['disabled',] }],
    model: [{ type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Input, args: ['ngModel',] }],
    options: [{ type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Input, args: ['ngModelOptions',] }],
    update: [{ type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Output, args: ['ngModelChange',] }]
};
(function () { (typeof ngDevMode === "undefined" || ngDevMode) && _angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵsetClassMetadata"](NgModel, [{
        type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Directive,
        args: [{
                selector: '[ngModel]:not([formControlName]):not([formControl])',
                providers: [formControlBinding],
                exportAs: 'ngModel'
            }]
    }], function () { return [{ type: ControlContainer, decorators: [{
                type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Optional
            }, {
                type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Host
            }] }, { type: Array, decorators: [{
                type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Optional
            }, {
                type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Self
            }, {
                type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Inject,
                args: [NG_VALIDATORS]
            }] }, { type: Array, decorators: [{
                type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Optional
            }, {
                type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Self
            }, {
                type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Inject,
                args: [NG_ASYNC_VALIDATORS]
            }] }, { type: Array, decorators: [{
                type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Optional
            }, {
                type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Self
            }, {
                type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Inject,
                args: [NG_VALUE_ACCESSOR]
            }] }]; }, { update: [{
            type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Output,
            args: ['ngModelChange']
        }], name: [{
            type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Input
        }], isDisabled: [{
            type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Input,
            args: ['disabled']
        }], model: [{
            type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Input,
            args: ['ngModel']
        }], options: [{
            type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Input,
            args: ['ngModelOptions']
        }] }); })();

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
/**
 * @description
 *
 * Adds `novalidate` attribute to all forms by default.
 *
 * `novalidate` is used to disable browser's native form validation.
 *
 * If you want to use native validation with Angular forms, just add `ngNativeValidate` attribute:
 *
 * ```
 * <form ngNativeValidate></form>
 * ```
 *
 * @publicApi
 * @ngModule ReactiveFormsModule
 * @ngModule FormsModule
 */
class ɵNgNoValidate {
}
ɵNgNoValidate.ɵfac = function ɵNgNoValidate_Factory(t) { return new (t || ɵNgNoValidate)(); };
ɵNgNoValidate.ɵdir = /*@__PURE__*/ _angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵɵdefineDirective"]({ type: ɵNgNoValidate, selectors: [["form", 3, "ngNoForm", "", 3, "ngNativeValidate", ""]], hostAttrs: ["novalidate", ""] });
(function () { (typeof ngDevMode === "undefined" || ngDevMode) && _angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵsetClassMetadata"](ɵNgNoValidate, [{
        type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Directive,
        args: [{
                selector: 'form:not([ngNoForm]):not([ngNativeValidate])',
                host: { 'novalidate': '' }
            }]
    }], null, null); })();

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
const NUMBER_VALUE_ACCESSOR = {
    provide: NG_VALUE_ACCESSOR,
    useExisting: (0,_angular_core__WEBPACK_IMPORTED_MODULE_0__.forwardRef)(() => NumberValueAccessor),
    multi: true
};
/**
 * @description
 * The `ControlValueAccessor` for writing a number value and listening to number input changes.
 * The value accessor is used by the `FormControlDirective`, `FormControlName`, and `NgModel`
 * directives.
 *
 * @usageNotes
 *
 * ### Using a number input with a reactive form.
 *
 * The following example shows how to use a number input with a reactive form.
 *
 * ```ts
 * const totalCountControl = new FormControl();
 * ```
 *
 * ```
 * <input type="number" [formControl]="totalCountControl">
 * ```
 *
 * @ngModule ReactiveFormsModule
 * @ngModule FormsModule
 * @publicApi
 */
class NumberValueAccessor extends BuiltInControlValueAccessor {
    /**
     * Sets the "value" property on the input element.
     * @nodoc
     */
    writeValue(value) {
        // The value needs to be normalized for IE9, otherwise it is set to 'null' when null
        const normalizedValue = value == null ? '' : value;
        this.setProperty('value', normalizedValue);
    }
    /**
     * Registers a function called when the control value changes.
     * @nodoc
     */
    registerOnChange(fn) {
        this.onChange = (value) => {
            fn(value == '' ? null : parseFloat(value));
        };
    }
}
NumberValueAccessor.ɵfac = /*@__PURE__*/ function () { let ɵNumberValueAccessor_BaseFactory; return function NumberValueAccessor_Factory(t) { return (ɵNumberValueAccessor_BaseFactory || (ɵNumberValueAccessor_BaseFactory = _angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵɵgetInheritedFactory"](NumberValueAccessor)))(t || NumberValueAccessor); }; }();
NumberValueAccessor.ɵdir = /*@__PURE__*/ _angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵɵdefineDirective"]({ type: NumberValueAccessor, selectors: [["input", "type", "number", "formControlName", ""], ["input", "type", "number", "formControl", ""], ["input", "type", "number", "ngModel", ""]], hostBindings: function NumberValueAccessor_HostBindings(rf, ctx) { if (rf & 1) {
        _angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵɵlistener"]("input", function NumberValueAccessor_input_HostBindingHandler($event) { return ctx.onChange($event.target.value); })("blur", function NumberValueAccessor_blur_HostBindingHandler() { return ctx.onTouched(); });
    } }, features: [_angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵɵProvidersFeature"]([NUMBER_VALUE_ACCESSOR]), _angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵɵInheritDefinitionFeature"]] });
(function () { (typeof ngDevMode === "undefined" || ngDevMode) && _angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵsetClassMetadata"](NumberValueAccessor, [{
        type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Directive,
        args: [{
                selector: 'input[type=number][formControlName],input[type=number][formControl],input[type=number][ngModel]',
                host: { '(input)': 'onChange($event.target.value)', '(blur)': 'onTouched()' },
                providers: [NUMBER_VALUE_ACCESSOR]
            }]
    }], null, null); })();

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
const RADIO_VALUE_ACCESSOR = {
    provide: NG_VALUE_ACCESSOR,
    useExisting: (0,_angular_core__WEBPACK_IMPORTED_MODULE_0__.forwardRef)(() => RadioControlValueAccessor),
    multi: true
};
function throwNameError() {
    throw new Error(`
      If you define both a name and a formControlName attribute on your radio button, their values
      must match. Ex: <input type="radio" formControlName="food" name="food">
    `);
}
/**
 * Internal-only NgModule that works as a host for the `RadioControlRegistry` tree-shakable
 * provider. Note: the `InternalFormsSharedModule` can not be used here directly, since it's
 * declared *after* the `RadioControlRegistry` class and the `providedIn` doesn't support
 * `forwardRef` logic.
 */
class RadioControlRegistryModule {
}
RadioControlRegistryModule.ɵfac = function RadioControlRegistryModule_Factory(t) { return new (t || RadioControlRegistryModule)(); };
RadioControlRegistryModule.ɵmod = /*@__PURE__*/ _angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵɵdefineNgModule"]({ type: RadioControlRegistryModule });
RadioControlRegistryModule.ɵinj = /*@__PURE__*/ _angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵɵdefineInjector"]({});
(function () { (typeof ngDevMode === "undefined" || ngDevMode) && _angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵsetClassMetadata"](RadioControlRegistryModule, [{
        type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.NgModule
    }], null, null); })();
/**
 * @description
 * Class used by Angular to track radio buttons. For internal use only.
 */
class RadioControlRegistry {
    constructor() {
        this._accessors = [];
    }
    /**
     * @description
     * Adds a control to the internal registry. For internal use only.
     */
    add(control, accessor) {
        this._accessors.push([control, accessor]);
    }
    /**
     * @description
     * Removes a control from the internal registry. For internal use only.
     */
    remove(accessor) {
        for (let i = this._accessors.length - 1; i >= 0; --i) {
            if (this._accessors[i][1] === accessor) {
                this._accessors.splice(i, 1);
                return;
            }
        }
    }
    /**
     * @description
     * Selects a radio button. For internal use only.
     */
    select(accessor) {
        this._accessors.forEach((c) => {
            if (this._isSameGroup(c, accessor) && c[1] !== accessor) {
                c[1].fireUncheck(accessor.value);
            }
        });
    }
    _isSameGroup(controlPair, accessor) {
        if (!controlPair[0].control)
            return false;
        return controlPair[0]._parent === accessor._control._parent &&
            controlPair[1].name === accessor.name;
    }
}
RadioControlRegistry.ɵfac = function RadioControlRegistry_Factory(t) { return new (t || RadioControlRegistry)(); };
RadioControlRegistry.ɵprov = (0,_angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵɵdefineInjectable"])({ factory: function RadioControlRegistry_Factory() { return new RadioControlRegistry(); }, token: RadioControlRegistry, providedIn: RadioControlRegistryModule });
(function () { (typeof ngDevMode === "undefined" || ngDevMode) && _angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵsetClassMetadata"](RadioControlRegistry, [{
        type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Injectable,
        args: [{ providedIn: RadioControlRegistryModule }]
    }], function () { return []; }, null); })();
/**
 * @description
 * The `ControlValueAccessor` for writing radio control values and listening to radio control
 * changes. The value accessor is used by the `FormControlDirective`, `FormControlName`, and
 * `NgModel` directives.
 *
 * @usageNotes
 *
 * ### Using radio buttons with reactive form directives
 *
 * The follow example shows how to use radio buttons in a reactive form. When using radio buttons in
 * a reactive form, radio buttons in the same group should have the same `formControlName`.
 * Providing a `name` attribute is optional.
 *
 * {@example forms/ts/reactiveRadioButtons/reactive_radio_button_example.ts region='Reactive'}
 *
 * @ngModule ReactiveFormsModule
 * @ngModule FormsModule
 * @publicApi
 */
class RadioControlValueAccessor extends BuiltInControlValueAccessor {
    constructor(renderer, elementRef, _registry, _injector) {
        super(renderer, elementRef);
        this._registry = _registry;
        this._injector = _injector;
        /**
         * The registered callback function called when a change event occurs on the input element.
         * Note: we declare `onChange` here (also used as host listener) as a function with no arguments
         * to override the `onChange` function (which expects 1 argument) in the parent
         * `BaseControlValueAccessor` class.
         * @nodoc
         */
        this.onChange = () => { };
    }
    /** @nodoc */
    ngOnInit() {
        this._control = this._injector.get(NgControl);
        this._checkName();
        this._registry.add(this._control, this);
    }
    /** @nodoc */
    ngOnDestroy() {
        this._registry.remove(this);
    }
    /**
     * Sets the "checked" property value on the radio input element.
     * @nodoc
     */
    writeValue(value) {
        this._state = value === this.value;
        this.setProperty('checked', this._state);
    }
    /**
     * Registers a function called when the control value changes.
     * @nodoc
     */
    registerOnChange(fn) {
        this._fn = fn;
        this.onChange = () => {
            fn(this.value);
            this._registry.select(this);
        };
    }
    /**
     * Sets the "value" on the radio input element and unchecks it.
     *
     * @param value
     */
    fireUncheck(value) {
        this.writeValue(value);
    }
    _checkName() {
        if (this.name && this.formControlName && this.name !== this.formControlName &&
            (typeof ngDevMode === 'undefined' || ngDevMode)) {
            throwNameError();
        }
        if (!this.name && this.formControlName)
            this.name = this.formControlName;
    }
}
RadioControlValueAccessor.ɵfac = function RadioControlValueAccessor_Factory(t) { return new (t || RadioControlValueAccessor)(_angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵɵdirectiveInject"](_angular_core__WEBPACK_IMPORTED_MODULE_0__.Renderer2), _angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵɵdirectiveInject"](_angular_core__WEBPACK_IMPORTED_MODULE_0__.ElementRef), _angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵɵdirectiveInject"](RadioControlRegistry), _angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵɵdirectiveInject"](_angular_core__WEBPACK_IMPORTED_MODULE_0__.Injector)); };
RadioControlValueAccessor.ɵdir = /*@__PURE__*/ _angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵɵdefineDirective"]({ type: RadioControlValueAccessor, selectors: [["input", "type", "radio", "formControlName", ""], ["input", "type", "radio", "formControl", ""], ["input", "type", "radio", "ngModel", ""]], hostBindings: function RadioControlValueAccessor_HostBindings(rf, ctx) { if (rf & 1) {
        _angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵɵlistener"]("change", function RadioControlValueAccessor_change_HostBindingHandler() { return ctx.onChange(); })("blur", function RadioControlValueAccessor_blur_HostBindingHandler() { return ctx.onTouched(); });
    } }, inputs: { name: "name", formControlName: "formControlName", value: "value" }, features: [_angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵɵProvidersFeature"]([RADIO_VALUE_ACCESSOR]), _angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵɵInheritDefinitionFeature"]] });
RadioControlValueAccessor.ctorParameters = () => [
    { type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Renderer2 },
    { type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.ElementRef },
    { type: RadioControlRegistry },
    { type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Injector }
];
RadioControlValueAccessor.propDecorators = {
    name: [{ type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Input }],
    formControlName: [{ type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Input }],
    value: [{ type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Input }]
};
(function () { (typeof ngDevMode === "undefined" || ngDevMode) && _angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵsetClassMetadata"](RadioControlValueAccessor, [{
        type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Directive,
        args: [{
                selector: 'input[type=radio][formControlName],input[type=radio][formControl],input[type=radio][ngModel]',
                host: { '(change)': 'onChange()', '(blur)': 'onTouched()' },
                providers: [RADIO_VALUE_ACCESSOR]
            }]
    }], function () { return [{ type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Renderer2 }, { type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.ElementRef }, { type: RadioControlRegistry }, { type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Injector }]; }, { name: [{
            type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Input
        }], formControlName: [{
            type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Input
        }], value: [{
            type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Input
        }] }); })();

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
const RANGE_VALUE_ACCESSOR = {
    provide: NG_VALUE_ACCESSOR,
    useExisting: (0,_angular_core__WEBPACK_IMPORTED_MODULE_0__.forwardRef)(() => RangeValueAccessor),
    multi: true
};
/**
 * @description
 * The `ControlValueAccessor` for writing a range value and listening to range input changes.
 * The value accessor is used by the `FormControlDirective`, `FormControlName`, and  `NgModel`
 * directives.
 *
 * @usageNotes
 *
 * ### Using a range input with a reactive form
 *
 * The following example shows how to use a range input with a reactive form.
 *
 * ```ts
 * const ageControl = new FormControl();
 * ```
 *
 * ```
 * <input type="range" [formControl]="ageControl">
 * ```
 *
 * @ngModule ReactiveFormsModule
 * @ngModule FormsModule
 * @publicApi
 */
class RangeValueAccessor extends BuiltInControlValueAccessor {
    /**
     * Sets the "value" property on the input element.
     * @nodoc
     */
    writeValue(value) {
        this.setProperty('value', parseFloat(value));
    }
    /**
     * Registers a function called when the control value changes.
     * @nodoc
     */
    registerOnChange(fn) {
        this.onChange = (value) => {
            fn(value == '' ? null : parseFloat(value));
        };
    }
}
RangeValueAccessor.ɵfac = /*@__PURE__*/ function () { let ɵRangeValueAccessor_BaseFactory; return function RangeValueAccessor_Factory(t) { return (ɵRangeValueAccessor_BaseFactory || (ɵRangeValueAccessor_BaseFactory = _angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵɵgetInheritedFactory"](RangeValueAccessor)))(t || RangeValueAccessor); }; }();
RangeValueAccessor.ɵdir = /*@__PURE__*/ _angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵɵdefineDirective"]({ type: RangeValueAccessor, selectors: [["input", "type", "range", "formControlName", ""], ["input", "type", "range", "formControl", ""], ["input", "type", "range", "ngModel", ""]], hostBindings: function RangeValueAccessor_HostBindings(rf, ctx) { if (rf & 1) {
        _angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵɵlistener"]("change", function RangeValueAccessor_change_HostBindingHandler($event) { return ctx.onChange($event.target.value); })("input", function RangeValueAccessor_input_HostBindingHandler($event) { return ctx.onChange($event.target.value); })("blur", function RangeValueAccessor_blur_HostBindingHandler() { return ctx.onTouched(); });
    } }, features: [_angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵɵProvidersFeature"]([RANGE_VALUE_ACCESSOR]), _angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵɵInheritDefinitionFeature"]] });
(function () { (typeof ngDevMode === "undefined" || ngDevMode) && _angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵsetClassMetadata"](RangeValueAccessor, [{
        type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Directive,
        args: [{
                selector: 'input[type=range][formControlName],input[type=range][formControl],input[type=range][ngModel]',
                host: {
                    '(change)': 'onChange($event.target.value)',
                    '(input)': 'onChange($event.target.value)',
                    '(blur)': 'onTouched()'
                },
                providers: [RANGE_VALUE_ACCESSOR]
            }]
    }], null, null); })();

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
/**
 * Token to provide to turn off the ngModel warning on formControl and formControlName.
 */
const NG_MODEL_WITH_FORM_CONTROL_WARNING = new _angular_core__WEBPACK_IMPORTED_MODULE_0__.InjectionToken('NgModelWithFormControlWarning');
const formControlBinding$1 = {
    provide: NgControl,
    useExisting: (0,_angular_core__WEBPACK_IMPORTED_MODULE_0__.forwardRef)(() => FormControlDirective)
};
/**
 * @description
 * Synchronizes a standalone `FormControl` instance to a form control element.
 *
 * Note that support for using the `ngModel` input property and `ngModelChange` event with reactive
 * form directives was deprecated in Angular v6 and is scheduled for removal in
 * a future version of Angular.
 * For details, see [Deprecated features](guide/deprecations#ngmodel-with-reactive-forms).
 *
 * @see [Reactive Forms Guide](guide/reactive-forms)
 * @see `FormControl`
 * @see `AbstractControl`
 *
 * @usageNotes
 *
 * The following example shows how to register a standalone control and set its value.
 *
 * {@example forms/ts/simpleFormControl/simple_form_control_example.ts region='Component'}
 *
 * @ngModule ReactiveFormsModule
 * @publicApi
 */
class FormControlDirective extends NgControl {
    constructor(validators, asyncValidators, valueAccessors, _ngModelWarningConfig) {
        super();
        this._ngModelWarningConfig = _ngModelWarningConfig;
        /** @deprecated as of v6 */
        this.update = new _angular_core__WEBPACK_IMPORTED_MODULE_0__.EventEmitter();
        /**
         * @description
         * Instance property used to track whether an ngModel warning has been sent out for this
         * particular `FormControlDirective` instance. Used to support warning config of "always".
         *
         * @internal
         */
        this._ngModelWarningSent = false;
        this._setValidators(validators);
        this._setAsyncValidators(asyncValidators);
        this.valueAccessor = selectValueAccessor(this, valueAccessors);
    }
    /**
     * @description
     * Triggers a warning in dev mode that this input should not be used with reactive forms.
     */
    set isDisabled(isDisabled) {
        if (typeof ngDevMode === 'undefined' || ngDevMode) {
            ReactiveErrors.disabledAttrWarning();
        }
    }
    /** @nodoc */
    ngOnChanges(changes) {
        if (this._isControlChanged(changes)) {
            const previousForm = changes['form'].previousValue;
            if (previousForm) {
                cleanUpControl(previousForm, this, /* validateControlPresenceOnChange */ false);
            }
            setUpControl(this.form, this);
            if (this.control.disabled && this.valueAccessor.setDisabledState) {
                this.valueAccessor.setDisabledState(true);
            }
            this.form.updateValueAndValidity({ emitEvent: false });
        }
        if (isPropertyUpdated(changes, this.viewModel)) {
            if (typeof ngDevMode === 'undefined' || ngDevMode) {
                _ngModelWarning('formControl', FormControlDirective, this, this._ngModelWarningConfig);
            }
            this.form.setValue(this.model);
            this.viewModel = this.model;
        }
    }
    /** @nodoc */
    ngOnDestroy() {
        if (this.form) {
            cleanUpControl(this.form, this, /* validateControlPresenceOnChange */ false);
        }
    }
    /**
     * @description
     * Returns an array that represents the path from the top-level form to this control.
     * Each index is the string name of the control on that level.
     */
    get path() {
        return [];
    }
    /**
     * @description
     * The `FormControl` bound to this directive.
     */
    get control() {
        return this.form;
    }
    /**
     * @description
     * Sets the new value for the view model and emits an `ngModelChange` event.
     *
     * @param newValue The new value for the view model.
     */
    viewToModelUpdate(newValue) {
        this.viewModel = newValue;
        this.update.emit(newValue);
    }
    _isControlChanged(changes) {
        return changes.hasOwnProperty('form');
    }
}
FormControlDirective.ɵfac = function FormControlDirective_Factory(t) { return new (t || FormControlDirective)(_angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵɵdirectiveInject"](NG_VALIDATORS, 10), _angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵɵdirectiveInject"](NG_ASYNC_VALIDATORS, 10), _angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵɵdirectiveInject"](NG_VALUE_ACCESSOR, 10), _angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵɵdirectiveInject"](NG_MODEL_WITH_FORM_CONTROL_WARNING, 8)); };
FormControlDirective.ɵdir = /*@__PURE__*/ _angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵɵdefineDirective"]({ type: FormControlDirective, selectors: [["", "formControl", ""]], inputs: { isDisabled: ["disabled", "isDisabled"], form: ["formControl", "form"], model: ["ngModel", "model"] }, outputs: { update: "ngModelChange" }, exportAs: ["ngForm"], features: [_angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵɵProvidersFeature"]([formControlBinding$1]), _angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵɵInheritDefinitionFeature"], _angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵɵNgOnChangesFeature"]] });
/**
 * @description
 * Static property used to track whether any ngModel warnings have been sent across
 * all instances of FormControlDirective. Used to support warning config of "once".
 *
 * @internal
 */
FormControlDirective._ngModelWarningSentOnce = false;
FormControlDirective.ctorParameters = () => [
    { type: Array, decorators: [{ type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Optional }, { type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Self }, { type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Inject, args: [NG_VALIDATORS,] }] },
    { type: Array, decorators: [{ type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Optional }, { type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Self }, { type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Inject, args: [NG_ASYNC_VALIDATORS,] }] },
    { type: Array, decorators: [{ type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Optional }, { type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Self }, { type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Inject, args: [NG_VALUE_ACCESSOR,] }] },
    { type: String, decorators: [{ type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Optional }, { type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Inject, args: [NG_MODEL_WITH_FORM_CONTROL_WARNING,] }] }
];
FormControlDirective.propDecorators = {
    form: [{ type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Input, args: ['formControl',] }],
    isDisabled: [{ type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Input, args: ['disabled',] }],
    model: [{ type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Input, args: ['ngModel',] }],
    update: [{ type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Output, args: ['ngModelChange',] }]
};
(function () { (typeof ngDevMode === "undefined" || ngDevMode) && _angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵsetClassMetadata"](FormControlDirective, [{
        type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Directive,
        args: [{ selector: '[formControl]', providers: [formControlBinding$1], exportAs: 'ngForm' }]
    }], function () { return [{ type: Array, decorators: [{
                type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Optional
            }, {
                type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Self
            }, {
                type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Inject,
                args: [NG_VALIDATORS]
            }] }, { type: Array, decorators: [{
                type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Optional
            }, {
                type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Self
            }, {
                type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Inject,
                args: [NG_ASYNC_VALIDATORS]
            }] }, { type: Array, decorators: [{
                type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Optional
            }, {
                type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Self
            }, {
                type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Inject,
                args: [NG_VALUE_ACCESSOR]
            }] }, { type: String, decorators: [{
                type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Optional
            }, {
                type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Inject,
                args: [NG_MODEL_WITH_FORM_CONTROL_WARNING]
            }] }]; }, { update: [{
            type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Output,
            args: ['ngModelChange']
        }], isDisabled: [{
            type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Input,
            args: ['disabled']
        }], form: [{
            type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Input,
            args: ['formControl']
        }], model: [{
            type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Input,
            args: ['ngModel']
        }] }); })();

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
const formDirectiveProvider$1 = {
    provide: ControlContainer,
    useExisting: (0,_angular_core__WEBPACK_IMPORTED_MODULE_0__.forwardRef)(() => FormGroupDirective)
};
/**
 * @description
 *
 * Binds an existing `FormGroup` to a DOM element.
 *
 * This directive accepts an existing `FormGroup` instance. It will then use this
 * `FormGroup` instance to match any child `FormControl`, `FormGroup`,
 * and `FormArray` instances to child `FormControlName`, `FormGroupName`,
 * and `FormArrayName` directives.
 *
 * @see [Reactive Forms Guide](guide/reactive-forms)
 * @see `AbstractControl`
 *
 * @usageNotes
 * ### Register Form Group
 *
 * The following example registers a `FormGroup` with first name and last name controls,
 * and listens for the *ngSubmit* event when the button is clicked.
 *
 * {@example forms/ts/simpleFormGroup/simple_form_group_example.ts region='Component'}
 *
 * @ngModule ReactiveFormsModule
 * @publicApi
 */
class FormGroupDirective extends ControlContainer {
    constructor(validators, asyncValidators) {
        super();
        this.validators = validators;
        this.asyncValidators = asyncValidators;
        /**
         * @description
         * Reports whether the form submission has been triggered.
         */
        this.submitted = false;
        /**
         * Callback that should be invoked when controls in FormGroup or FormArray collection change
         * (added or removed). This callback triggers corresponding DOM updates.
         */
        this._onCollectionChange = () => this._updateDomValue();
        /**
         * @description
         * Tracks the list of added `FormControlName` instances
         */
        this.directives = [];
        /**
         * @description
         * Tracks the `FormGroup` bound to this directive.
         */
        this.form = null;
        /**
         * @description
         * Emits an event when the form submission has been triggered.
         */
        this.ngSubmit = new _angular_core__WEBPACK_IMPORTED_MODULE_0__.EventEmitter();
        this._setValidators(validators);
        this._setAsyncValidators(asyncValidators);
    }
    /** @nodoc */
    ngOnChanges(changes) {
        this._checkFormPresent();
        if (changes.hasOwnProperty('form')) {
            this._updateValidators();
            this._updateDomValue();
            this._updateRegistrations();
            this._oldForm = this.form;
        }
    }
    /** @nodoc */
    ngOnDestroy() {
        if (this.form) {
            cleanUpValidators(this.form, this);
            // Currently the `onCollectionChange` callback is rewritten each time the
            // `_registerOnCollectionChange` function is invoked. The implication is that cleanup should
            // happen *only* when the `onCollectionChange` callback was set by this directive instance.
            // Otherwise it might cause overriding a callback of some other directive instances. We should
            // consider updating this logic later to make it similar to how `onChange` callbacks are
            // handled, see https://github.com/angular/angular/issues/39732 for additional info.
            if (this.form._onCollectionChange === this._onCollectionChange) {
                this.form._registerOnCollectionChange(() => { });
            }
        }
    }
    /**
     * @description
     * Returns this directive's instance.
     */
    get formDirective() {
        return this;
    }
    /**
     * @description
     * Returns the `FormGroup` bound to this directive.
     */
    get control() {
        return this.form;
    }
    /**
     * @description
     * Returns an array representing the path to this group. Because this directive
     * always lives at the top level of a form, it always an empty array.
     */
    get path() {
        return [];
    }
    /**
     * @description
     * Method that sets up the control directive in this group, re-calculates its value
     * and validity, and adds the instance to the internal list of directives.
     *
     * @param dir The `FormControlName` directive instance.
     */
    addControl(dir) {
        const ctrl = this.form.get(dir.path);
        setUpControl(ctrl, dir);
        ctrl.updateValueAndValidity({ emitEvent: false });
        this.directives.push(dir);
        return ctrl;
    }
    /**
     * @description
     * Retrieves the `FormControl` instance from the provided `FormControlName` directive
     *
     * @param dir The `FormControlName` directive instance.
     */
    getControl(dir) {
        return this.form.get(dir.path);
    }
    /**
     * @description
     * Removes the `FormControlName` instance from the internal list of directives
     *
     * @param dir The `FormControlName` directive instance.
     */
    removeControl(dir) {
        cleanUpControl(dir.control || null, dir, /* validateControlPresenceOnChange */ false);
        removeListItem(this.directives, dir);
    }
    /**
     * Adds a new `FormGroupName` directive instance to the form.
     *
     * @param dir The `FormGroupName` directive instance.
     */
    addFormGroup(dir) {
        this._setUpFormContainer(dir);
    }
    /**
     * Performs the necessary cleanup when a `FormGroupName` directive instance is removed from the
     * view.
     *
     * @param dir The `FormGroupName` directive instance.
     */
    removeFormGroup(dir) {
        this._cleanUpFormContainer(dir);
    }
    /**
     * @description
     * Retrieves the `FormGroup` for a provided `FormGroupName` directive instance
     *
     * @param dir The `FormGroupName` directive instance.
     */
    getFormGroup(dir) {
        return this.form.get(dir.path);
    }
    /**
     * Performs the necessary setup when a `FormArrayName` directive instance is added to the view.
     *
     * @param dir The `FormArrayName` directive instance.
     */
    addFormArray(dir) {
        this._setUpFormContainer(dir);
    }
    /**
     * Performs the necessary cleanup when a `FormArrayName` directive instance is removed from the
     * view.
     *
     * @param dir The `FormArrayName` directive instance.
     */
    removeFormArray(dir) {
        this._cleanUpFormContainer(dir);
    }
    /**
     * @description
     * Retrieves the `FormArray` for a provided `FormArrayName` directive instance.
     *
     * @param dir The `FormArrayName` directive instance.
     */
    getFormArray(dir) {
        return this.form.get(dir.path);
    }
    /**
     * Sets the new value for the provided `FormControlName` directive.
     *
     * @param dir The `FormControlName` directive instance.
     * @param value The new value for the directive's control.
     */
    updateModel(dir, value) {
        const ctrl = this.form.get(dir.path);
        ctrl.setValue(value);
    }
    /**
     * @description
     * Method called with the "submit" event is triggered on the form.
     * Triggers the `ngSubmit` emitter to emit the "submit" event as its payload.
     *
     * @param $event The "submit" event object
     */
    onSubmit($event) {
        this.submitted = true;
        syncPendingControls(this.form, this.directives);
        this.ngSubmit.emit($event);
        return false;
    }
    /**
     * @description
     * Method called when the "reset" event is triggered on the form.
     */
    onReset() {
        this.resetForm();
    }
    /**
     * @description
     * Resets the form to an initial value and resets its submitted status.
     *
     * @param value The new value for the form.
     */
    resetForm(value = undefined) {
        this.form.reset(value);
        this.submitted = false;
    }
    /** @internal */
    _updateDomValue() {
        this.directives.forEach(dir => {
            const oldCtrl = dir.control;
            const newCtrl = this.form.get(dir.path);
            if (oldCtrl !== newCtrl) {
                // Note: the value of the `dir.control` may not be defined, for example when it's a first
                // `FormControl` that is added to a `FormGroup` instance (via `addControl` call).
                cleanUpControl(oldCtrl || null, dir);
                // Check whether new control at the same location inside the corresponding `FormGroup` is an
                // instance of `FormControl` and perform control setup only if that's the case.
                // Note: we don't need to clear the list of directives (`this.directives`) here, it would be
                // taken care of in the `removeControl` method invoked when corresponding `formControlName`
                // directive instance is being removed (invoked from `FormControlName.ngOnDestroy`).
                if (newCtrl instanceof FormControl) {
                    setUpControl(newCtrl, dir);
                    dir.control = newCtrl;
                }
            }
        });
        this.form._updateTreeValidity({ emitEvent: false });
    }
    _setUpFormContainer(dir) {
        const ctrl = this.form.get(dir.path);
        setUpFormContainer(ctrl, dir);
        // NOTE: this operation looks unnecessary in case no new validators were added in
        // `setUpFormContainer` call. Consider updating this code to match the logic in
        // `_cleanUpFormContainer` function.
        ctrl.updateValueAndValidity({ emitEvent: false });
    }
    _cleanUpFormContainer(dir) {
        if (this.form) {
            const ctrl = this.form.get(dir.path);
            if (ctrl) {
                const isControlUpdated = cleanUpFormContainer(ctrl, dir);
                if (isControlUpdated) {
                    // Run validity check only in case a control was updated (i.e. view validators were
                    // removed) as removing view validators might cause validity to change.
                    ctrl.updateValueAndValidity({ emitEvent: false });
                }
            }
        }
    }
    _updateRegistrations() {
        this.form._registerOnCollectionChange(this._onCollectionChange);
        if (this._oldForm) {
            this._oldForm._registerOnCollectionChange(() => { });
        }
    }
    _updateValidators() {
        setUpValidators(this.form, this);
        if (this._oldForm) {
            cleanUpValidators(this._oldForm, this);
        }
    }
    _checkFormPresent() {
        if (!this.form && (typeof ngDevMode === 'undefined' || ngDevMode)) {
            ReactiveErrors.missingFormException();
        }
    }
}
FormGroupDirective.ɵfac = function FormGroupDirective_Factory(t) { return new (t || FormGroupDirective)(_angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵɵdirectiveInject"](NG_VALIDATORS, 10), _angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵɵdirectiveInject"](NG_ASYNC_VALIDATORS, 10)); };
FormGroupDirective.ɵdir = /*@__PURE__*/ _angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵɵdefineDirective"]({ type: FormGroupDirective, selectors: [["", "formGroup", ""]], hostBindings: function FormGroupDirective_HostBindings(rf, ctx) { if (rf & 1) {
        _angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵɵlistener"]("submit", function FormGroupDirective_submit_HostBindingHandler($event) { return ctx.onSubmit($event); })("reset", function FormGroupDirective_reset_HostBindingHandler() { return ctx.onReset(); });
    } }, inputs: { form: ["formGroup", "form"] }, outputs: { ngSubmit: "ngSubmit" }, exportAs: ["ngForm"], features: [_angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵɵProvidersFeature"]([formDirectiveProvider$1]), _angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵɵInheritDefinitionFeature"], _angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵɵNgOnChangesFeature"]] });
FormGroupDirective.ctorParameters = () => [
    { type: Array, decorators: [{ type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Optional }, { type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Self }, { type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Inject, args: [NG_VALIDATORS,] }] },
    { type: Array, decorators: [{ type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Optional }, { type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Self }, { type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Inject, args: [NG_ASYNC_VALIDATORS,] }] }
];
FormGroupDirective.propDecorators = {
    form: [{ type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Input, args: ['formGroup',] }],
    ngSubmit: [{ type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Output }]
};
(function () { (typeof ngDevMode === "undefined" || ngDevMode) && _angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵsetClassMetadata"](FormGroupDirective, [{
        type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Directive,
        args: [{
                selector: '[formGroup]',
                providers: [formDirectiveProvider$1],
                host: { '(submit)': 'onSubmit($event)', '(reset)': 'onReset()' },
                exportAs: 'ngForm'
            }]
    }], function () { return [{ type: Array, decorators: [{
                type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Optional
            }, {
                type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Self
            }, {
                type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Inject,
                args: [NG_VALIDATORS]
            }] }, { type: Array, decorators: [{
                type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Optional
            }, {
                type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Self
            }, {
                type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Inject,
                args: [NG_ASYNC_VALIDATORS]
            }] }]; }, { form: [{
            type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Input,
            args: ['formGroup']
        }], ngSubmit: [{
            type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Output
        }] }); })();

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
const formGroupNameProvider = {
    provide: ControlContainer,
    useExisting: (0,_angular_core__WEBPACK_IMPORTED_MODULE_0__.forwardRef)(() => FormGroupName)
};
/**
 * @description
 *
 * Syncs a nested `FormGroup` to a DOM element.
 *
 * This directive can only be used with a parent `FormGroupDirective`.
 *
 * It accepts the string name of the nested `FormGroup` to link, and
 * looks for a `FormGroup` registered with that name in the parent
 * `FormGroup` instance you passed into `FormGroupDirective`.
 *
 * Use nested form groups to validate a sub-group of a
 * form separately from the rest or to group the values of certain
 * controls into their own nested object.
 *
 * @see [Reactive Forms Guide](guide/reactive-forms)
 *
 * @usageNotes
 *
 * ### Access the group by name
 *
 * The following example uses the {@link AbstractControl#get get} method to access the
 * associated `FormGroup`
 *
 * ```ts
 *   this.form.get('name');
 * ```
 *
 * ### Access individual controls in the group
 *
 * The following example uses the {@link AbstractControl#get get} method to access
 * individual controls within the group using dot syntax.
 *
 * ```ts
 *   this.form.get('name.first');
 * ```
 *
 * ### Register a nested `FormGroup`.
 *
 * The following example registers a nested *name* `FormGroup` within an existing `FormGroup`,
 * and provides methods to retrieve the nested `FormGroup` and individual controls.
 *
 * {@example forms/ts/nestedFormGroup/nested_form_group_example.ts region='Component'}
 *
 * @ngModule ReactiveFormsModule
 * @publicApi
 */
class FormGroupName extends AbstractFormGroupDirective {
    constructor(parent, validators, asyncValidators) {
        super();
        this._parent = parent;
        this._setValidators(validators);
        this._setAsyncValidators(asyncValidators);
    }
    /** @internal */
    _checkParentType() {
        if (_hasInvalidParent(this._parent) && (typeof ngDevMode === 'undefined' || ngDevMode)) {
            ReactiveErrors.groupParentException();
        }
    }
}
FormGroupName.ɵfac = function FormGroupName_Factory(t) { return new (t || FormGroupName)(_angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵɵdirectiveInject"](ControlContainer, 13), _angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵɵdirectiveInject"](NG_VALIDATORS, 10), _angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵɵdirectiveInject"](NG_ASYNC_VALIDATORS, 10)); };
FormGroupName.ɵdir = /*@__PURE__*/ _angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵɵdefineDirective"]({ type: FormGroupName, selectors: [["", "formGroupName", ""]], inputs: { name: ["formGroupName", "name"] }, features: [_angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵɵProvidersFeature"]([formGroupNameProvider]), _angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵɵInheritDefinitionFeature"]] });
FormGroupName.ctorParameters = () => [
    { type: ControlContainer, decorators: [{ type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Optional }, { type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Host }, { type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.SkipSelf }] },
    { type: Array, decorators: [{ type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Optional }, { type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Self }, { type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Inject, args: [NG_VALIDATORS,] }] },
    { type: Array, decorators: [{ type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Optional }, { type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Self }, { type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Inject, args: [NG_ASYNC_VALIDATORS,] }] }
];
FormGroupName.propDecorators = {
    name: [{ type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Input, args: ['formGroupName',] }]
};
(function () { (typeof ngDevMode === "undefined" || ngDevMode) && _angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵsetClassMetadata"](FormGroupName, [{
        type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Directive,
        args: [{ selector: '[formGroupName]', providers: [formGroupNameProvider] }]
    }], function () { return [{ type: ControlContainer, decorators: [{
                type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Optional
            }, {
                type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Host
            }, {
                type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.SkipSelf
            }] }, { type: Array, decorators: [{
                type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Optional
            }, {
                type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Self
            }, {
                type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Inject,
                args: [NG_VALIDATORS]
            }] }, { type: Array, decorators: [{
                type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Optional
            }, {
                type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Self
            }, {
                type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Inject,
                args: [NG_ASYNC_VALIDATORS]
            }] }]; }, { name: [{
            type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Input,
            args: ['formGroupName']
        }] }); })();
const formArrayNameProvider = {
    provide: ControlContainer,
    useExisting: (0,_angular_core__WEBPACK_IMPORTED_MODULE_0__.forwardRef)(() => FormArrayName)
};
/**
 * @description
 *
 * Syncs a nested `FormArray` to a DOM element.
 *
 * This directive is designed to be used with a parent `FormGroupDirective` (selector:
 * `[formGroup]`).
 *
 * It accepts the string name of the nested `FormArray` you want to link, and
 * will look for a `FormArray` registered with that name in the parent
 * `FormGroup` instance you passed into `FormGroupDirective`.
 *
 * @see [Reactive Forms Guide](guide/reactive-forms)
 * @see `AbstractControl`
 *
 * @usageNotes
 *
 * ### Example
 *
 * {@example forms/ts/nestedFormArray/nested_form_array_example.ts region='Component'}
 *
 * @ngModule ReactiveFormsModule
 * @publicApi
 */
class FormArrayName extends ControlContainer {
    constructor(parent, validators, asyncValidators) {
        super();
        this._parent = parent;
        this._setValidators(validators);
        this._setAsyncValidators(asyncValidators);
    }
    /**
     * A lifecycle method called when the directive's inputs are initialized. For internal use only.
     * @throws If the directive does not have a valid parent.
     * @nodoc
     */
    ngOnInit() {
        this._checkParentType();
        this.formDirective.addFormArray(this);
    }
    /**
     * A lifecycle method called before the directive's instance is destroyed. For internal use only.
     * @nodoc
     */
    ngOnDestroy() {
        if (this.formDirective) {
            this.formDirective.removeFormArray(this);
        }
    }
    /**
     * @description
     * The `FormArray` bound to this directive.
     */
    get control() {
        return this.formDirective.getFormArray(this);
    }
    /**
     * @description
     * The top-level directive for this group if present, otherwise null.
     */
    get formDirective() {
        return this._parent ? this._parent.formDirective : null;
    }
    /**
     * @description
     * Returns an array that represents the path from the top-level form to this control.
     * Each index is the string name of the control on that level.
     */
    get path() {
        return controlPath(this.name == null ? this.name : this.name.toString(), this._parent);
    }
    _checkParentType() {
        if (_hasInvalidParent(this._parent) && (typeof ngDevMode === 'undefined' || ngDevMode)) {
            ReactiveErrors.arrayParentException();
        }
    }
}
FormArrayName.ɵfac = function FormArrayName_Factory(t) { return new (t || FormArrayName)(_angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵɵdirectiveInject"](ControlContainer, 13), _angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵɵdirectiveInject"](NG_VALIDATORS, 10), _angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵɵdirectiveInject"](NG_ASYNC_VALIDATORS, 10)); };
FormArrayName.ɵdir = /*@__PURE__*/ _angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵɵdefineDirective"]({ type: FormArrayName, selectors: [["", "formArrayName", ""]], inputs: { name: ["formArrayName", "name"] }, features: [_angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵɵProvidersFeature"]([formArrayNameProvider]), _angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵɵInheritDefinitionFeature"]] });
FormArrayName.ctorParameters = () => [
    { type: ControlContainer, decorators: [{ type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Optional }, { type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Host }, { type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.SkipSelf }] },
    { type: Array, decorators: [{ type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Optional }, { type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Self }, { type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Inject, args: [NG_VALIDATORS,] }] },
    { type: Array, decorators: [{ type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Optional }, { type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Self }, { type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Inject, args: [NG_ASYNC_VALIDATORS,] }] }
];
FormArrayName.propDecorators = {
    name: [{ type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Input, args: ['formArrayName',] }]
};
(function () { (typeof ngDevMode === "undefined" || ngDevMode) && _angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵsetClassMetadata"](FormArrayName, [{
        type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Directive,
        args: [{ selector: '[formArrayName]', providers: [formArrayNameProvider] }]
    }], function () { return [{ type: ControlContainer, decorators: [{
                type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Optional
            }, {
                type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Host
            }, {
                type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.SkipSelf
            }] }, { type: Array, decorators: [{
                type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Optional
            }, {
                type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Self
            }, {
                type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Inject,
                args: [NG_VALIDATORS]
            }] }, { type: Array, decorators: [{
                type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Optional
            }, {
                type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Self
            }, {
                type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Inject,
                args: [NG_ASYNC_VALIDATORS]
            }] }]; }, { name: [{
            type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Input,
            args: ['formArrayName']
        }] }); })();
function _hasInvalidParent(parent) {
    return !(parent instanceof FormGroupName) && !(parent instanceof FormGroupDirective) &&
        !(parent instanceof FormArrayName);
}

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
const controlNameBinding = {
    provide: NgControl,
    useExisting: (0,_angular_core__WEBPACK_IMPORTED_MODULE_0__.forwardRef)(() => FormControlName)
};
/**
 * @description
 * Syncs a `FormControl` in an existing `FormGroup` to a form control
 * element by name.
 *
 * @see [Reactive Forms Guide](guide/reactive-forms)
 * @see `FormControl`
 * @see `AbstractControl`
 *
 * @usageNotes
 *
 * ### Register `FormControl` within a group
 *
 * The following example shows how to register multiple form controls within a form group
 * and set their value.
 *
 * {@example forms/ts/simpleFormGroup/simple_form_group_example.ts region='Component'}
 *
 * To see `formControlName` examples with different form control types, see:
 *
 * * Radio buttons: `RadioControlValueAccessor`
 * * Selects: `SelectControlValueAccessor`
 *
 * ### Use with ngModel is deprecated
 *
 * Support for using the `ngModel` input property and `ngModelChange` event with reactive
 * form directives has been deprecated in Angular v6 and is scheduled for removal in
 * a future version of Angular.
 *
 * For details, see [Deprecated features](guide/deprecations#ngmodel-with-reactive-forms).
 *
 * @ngModule ReactiveFormsModule
 * @publicApi
 */
class FormControlName extends NgControl {
    constructor(parent, validators, asyncValidators, valueAccessors, _ngModelWarningConfig) {
        super();
        this._ngModelWarningConfig = _ngModelWarningConfig;
        this._added = false;
        /** @deprecated as of v6 */
        this.update = new _angular_core__WEBPACK_IMPORTED_MODULE_0__.EventEmitter();
        /**
         * @description
         * Instance property used to track whether an ngModel warning has been sent out for this
         * particular FormControlName instance. Used to support warning config of "always".
         *
         * @internal
         */
        this._ngModelWarningSent = false;
        this._parent = parent;
        this._setValidators(validators);
        this._setAsyncValidators(asyncValidators);
        this.valueAccessor = selectValueAccessor(this, valueAccessors);
    }
    /**
     * @description
     * Triggers a warning in dev mode that this input should not be used with reactive forms.
     */
    set isDisabled(isDisabled) {
        if (typeof ngDevMode === 'undefined' || ngDevMode) {
            ReactiveErrors.disabledAttrWarning();
        }
    }
    /** @nodoc */
    ngOnChanges(changes) {
        if (!this._added)
            this._setUpControl();
        if (isPropertyUpdated(changes, this.viewModel)) {
            if (typeof ngDevMode === 'undefined' || ngDevMode) {
                _ngModelWarning('formControlName', FormControlName, this, this._ngModelWarningConfig);
            }
            this.viewModel = this.model;
            this.formDirective.updateModel(this, this.model);
        }
    }
    /** @nodoc */
    ngOnDestroy() {
        if (this.formDirective) {
            this.formDirective.removeControl(this);
        }
    }
    /**
     * @description
     * Sets the new value for the view model and emits an `ngModelChange` event.
     *
     * @param newValue The new value for the view model.
     */
    viewToModelUpdate(newValue) {
        this.viewModel = newValue;
        this.update.emit(newValue);
    }
    /**
     * @description
     * Returns an array that represents the path from the top-level form to this control.
     * Each index is the string name of the control on that level.
     */
    get path() {
        return controlPath(this.name == null ? this.name : this.name.toString(), this._parent);
    }
    /**
     * @description
     * The top-level directive for this group if present, otherwise null.
     */
    get formDirective() {
        return this._parent ? this._parent.formDirective : null;
    }
    _checkParentType() {
        if (typeof ngDevMode === 'undefined' || ngDevMode) {
            if (!(this._parent instanceof FormGroupName) &&
                this._parent instanceof AbstractFormGroupDirective) {
                ReactiveErrors.ngModelGroupException();
            }
            else if (!(this._parent instanceof FormGroupName) &&
                !(this._parent instanceof FormGroupDirective) &&
                !(this._parent instanceof FormArrayName)) {
                ReactiveErrors.controlParentException();
            }
        }
    }
    _setUpControl() {
        this._checkParentType();
        this.control = this.formDirective.addControl(this);
        if (this.control.disabled && this.valueAccessor.setDisabledState) {
            this.valueAccessor.setDisabledState(true);
        }
        this._added = true;
    }
}
FormControlName.ɵfac = function FormControlName_Factory(t) { return new (t || FormControlName)(_angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵɵdirectiveInject"](ControlContainer, 13), _angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵɵdirectiveInject"](NG_VALIDATORS, 10), _angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵɵdirectiveInject"](NG_ASYNC_VALIDATORS, 10), _angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵɵdirectiveInject"](NG_VALUE_ACCESSOR, 10), _angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵɵdirectiveInject"](NG_MODEL_WITH_FORM_CONTROL_WARNING, 8)); };
FormControlName.ɵdir = /*@__PURE__*/ _angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵɵdefineDirective"]({ type: FormControlName, selectors: [["", "formControlName", ""]], inputs: { isDisabled: ["disabled", "isDisabled"], name: ["formControlName", "name"], model: ["ngModel", "model"] }, outputs: { update: "ngModelChange" }, features: [_angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵɵProvidersFeature"]([controlNameBinding]), _angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵɵInheritDefinitionFeature"], _angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵɵNgOnChangesFeature"]] });
/**
 * @description
 * Static property used to track whether any ngModel warnings have been sent across
 * all instances of FormControlName. Used to support warning config of "once".
 *
 * @internal
 */
FormControlName._ngModelWarningSentOnce = false;
FormControlName.ctorParameters = () => [
    { type: ControlContainer, decorators: [{ type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Optional }, { type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Host }, { type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.SkipSelf }] },
    { type: Array, decorators: [{ type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Optional }, { type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Self }, { type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Inject, args: [NG_VALIDATORS,] }] },
    { type: Array, decorators: [{ type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Optional }, { type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Self }, { type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Inject, args: [NG_ASYNC_VALIDATORS,] }] },
    { type: Array, decorators: [{ type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Optional }, { type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Self }, { type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Inject, args: [NG_VALUE_ACCESSOR,] }] },
    { type: String, decorators: [{ type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Optional }, { type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Inject, args: [NG_MODEL_WITH_FORM_CONTROL_WARNING,] }] }
];
FormControlName.propDecorators = {
    name: [{ type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Input, args: ['formControlName',] }],
    isDisabled: [{ type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Input, args: ['disabled',] }],
    model: [{ type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Input, args: ['ngModel',] }],
    update: [{ type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Output, args: ['ngModelChange',] }]
};
(function () { (typeof ngDevMode === "undefined" || ngDevMode) && _angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵsetClassMetadata"](FormControlName, [{
        type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Directive,
        args: [{ selector: '[formControlName]', providers: [controlNameBinding] }]
    }], function () { return [{ type: ControlContainer, decorators: [{
                type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Optional
            }, {
                type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Host
            }, {
                type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.SkipSelf
            }] }, { type: Array, decorators: [{
                type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Optional
            }, {
                type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Self
            }, {
                type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Inject,
                args: [NG_VALIDATORS]
            }] }, { type: Array, decorators: [{
                type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Optional
            }, {
                type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Self
            }, {
                type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Inject,
                args: [NG_ASYNC_VALIDATORS]
            }] }, { type: Array, decorators: [{
                type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Optional
            }, {
                type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Self
            }, {
                type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Inject,
                args: [NG_VALUE_ACCESSOR]
            }] }, { type: String, decorators: [{
                type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Optional
            }, {
                type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Inject,
                args: [NG_MODEL_WITH_FORM_CONTROL_WARNING]
            }] }]; }, { update: [{
            type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Output,
            args: ['ngModelChange']
        }], isDisabled: [{
            type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Input,
            args: ['disabled']
        }], name: [{
            type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Input,
            args: ['formControlName']
        }], model: [{
            type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Input,
            args: ['ngModel']
        }] }); })();

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
const SELECT_VALUE_ACCESSOR = {
    provide: NG_VALUE_ACCESSOR,
    useExisting: (0,_angular_core__WEBPACK_IMPORTED_MODULE_0__.forwardRef)(() => SelectControlValueAccessor),
    multi: true
};
function _buildValueString(id, value) {
    if (id == null)
        return `${value}`;
    if (value && typeof value === 'object')
        value = 'Object';
    return `${id}: ${value}`.slice(0, 50);
}
function _extractId(valueString) {
    return valueString.split(':')[0];
}
/**
 * @description
 * The `ControlValueAccessor` for writing select control values and listening to select control
 * changes. The value accessor is used by the `FormControlDirective`, `FormControlName`, and
 * `NgModel` directives.
 *
 * @usageNotes
 *
 * ### Using select controls in a reactive form
 *
 * The following examples show how to use a select control in a reactive form.
 *
 * {@example forms/ts/reactiveSelectControl/reactive_select_control_example.ts region='Component'}
 *
 * ### Using select controls in a template-driven form
 *
 * To use a select in a template-driven form, simply add an `ngModel` and a `name`
 * attribute to the main `<select>` tag.
 *
 * {@example forms/ts/selectControl/select_control_example.ts region='Component'}
 *
 * ### Customizing option selection
 *
 * Angular uses object identity to select option. It's possible for the identities of items
 * to change while the data does not. This can happen, for example, if the items are produced
 * from an RPC to the server, and that RPC is re-run. Even if the data hasn't changed, the
 * second response will produce objects with different identities.
 *
 * To customize the default option comparison algorithm, `<select>` supports `compareWith` input.
 * `compareWith` takes a **function** which has two arguments: `option1` and `option2`.
 * If `compareWith` is given, Angular selects option by the return value of the function.
 *
 * ```ts
 * const selectedCountriesControl = new FormControl();
 * ```
 *
 * ```
 * <select [compareWith]="compareFn"  [formControl]="selectedCountriesControl">
 *     <option *ngFor="let country of countries" [ngValue]="country">
 *         {{country.name}}
 *     </option>
 * </select>
 *
 * compareFn(c1: Country, c2: Country): boolean {
 *     return c1 && c2 ? c1.id === c2.id : c1 === c2;
 * }
 * ```
 *
 * **Note:** We listen to the 'change' event because 'input' events aren't fired
 * for selects in IE, see:
 * https://developer.mozilla.org/en-US/docs/Web/API/HTMLElement/input_event#browser_compatibility
 *
 * @ngModule ReactiveFormsModule
 * @ngModule FormsModule
 * @publicApi
 */
class SelectControlValueAccessor extends BuiltInControlValueAccessor {
    constructor() {
        super(...arguments);
        /** @internal */
        this._optionMap = new Map();
        /** @internal */
        this._idCounter = 0;
        this._compareWith = Object.is;
    }
    /**
     * @description
     * Tracks the option comparison algorithm for tracking identities when
     * checking for changes.
     */
    set compareWith(fn) {
        if (typeof fn !== 'function' && (typeof ngDevMode === 'undefined' || ngDevMode)) {
            throw new Error(`compareWith must be a function, but received ${JSON.stringify(fn)}`);
        }
        this._compareWith = fn;
    }
    /**
     * Sets the "value" property on the input element. The "selectedIndex"
     * property is also set if an ID is provided on the option element.
     * @nodoc
     */
    writeValue(value) {
        this.value = value;
        const id = this._getOptionId(value);
        if (id == null) {
            this.setProperty('selectedIndex', -1);
        }
        const valueString = _buildValueString(id, value);
        this.setProperty('value', valueString);
    }
    /**
     * Registers a function called when the control value changes.
     * @nodoc
     */
    registerOnChange(fn) {
        this.onChange = (valueString) => {
            this.value = this._getOptionValue(valueString);
            fn(this.value);
        };
    }
    /** @internal */
    _registerOption() {
        return (this._idCounter++).toString();
    }
    /** @internal */
    _getOptionId(value) {
        for (const id of Array.from(this._optionMap.keys())) {
            if (this._compareWith(this._optionMap.get(id), value))
                return id;
        }
        return null;
    }
    /** @internal */
    _getOptionValue(valueString) {
        const id = _extractId(valueString);
        return this._optionMap.has(id) ? this._optionMap.get(id) : valueString;
    }
}
SelectControlValueAccessor.ɵfac = /*@__PURE__*/ function () { let ɵSelectControlValueAccessor_BaseFactory; return function SelectControlValueAccessor_Factory(t) { return (ɵSelectControlValueAccessor_BaseFactory || (ɵSelectControlValueAccessor_BaseFactory = _angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵɵgetInheritedFactory"](SelectControlValueAccessor)))(t || SelectControlValueAccessor); }; }();
SelectControlValueAccessor.ɵdir = /*@__PURE__*/ _angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵɵdefineDirective"]({ type: SelectControlValueAccessor, selectors: [["select", "formControlName", "", 3, "multiple", ""], ["select", "formControl", "", 3, "multiple", ""], ["select", "ngModel", "", 3, "multiple", ""]], hostBindings: function SelectControlValueAccessor_HostBindings(rf, ctx) { if (rf & 1) {
        _angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵɵlistener"]("change", function SelectControlValueAccessor_change_HostBindingHandler($event) { return ctx.onChange($event.target.value); })("blur", function SelectControlValueAccessor_blur_HostBindingHandler() { return ctx.onTouched(); });
    } }, inputs: { compareWith: "compareWith" }, features: [_angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵɵProvidersFeature"]([SELECT_VALUE_ACCESSOR]), _angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵɵInheritDefinitionFeature"]] });
SelectControlValueAccessor.propDecorators = {
    compareWith: [{ type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Input }]
};
(function () { (typeof ngDevMode === "undefined" || ngDevMode) && _angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵsetClassMetadata"](SelectControlValueAccessor, [{
        type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Directive,
        args: [{
                selector: 'select:not([multiple])[formControlName],select:not([multiple])[formControl],select:not([multiple])[ngModel]',
                host: { '(change)': 'onChange($event.target.value)', '(blur)': 'onTouched()' },
                providers: [SELECT_VALUE_ACCESSOR]
            }]
    }], null, { compareWith: [{
            type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Input
        }] }); })();
/**
 * @description
 * Marks `<option>` as dynamic, so Angular can be notified when options change.
 *
 * @see `SelectControlValueAccessor`
 *
 * @ngModule ReactiveFormsModule
 * @ngModule FormsModule
 * @publicApi
 */
class NgSelectOption {
    constructor(_element, _renderer, _select) {
        this._element = _element;
        this._renderer = _renderer;
        this._select = _select;
        if (this._select)
            this.id = this._select._registerOption();
    }
    /**
     * @description
     * Tracks the value bound to the option element. Unlike the value binding,
     * ngValue supports binding to objects.
     */
    set ngValue(value) {
        if (this._select == null)
            return;
        this._select._optionMap.set(this.id, value);
        this._setElementValue(_buildValueString(this.id, value));
        this._select.writeValue(this._select.value);
    }
    /**
     * @description
     * Tracks simple string values bound to the option element.
     * For objects, use the `ngValue` input binding.
     */
    set value(value) {
        this._setElementValue(value);
        if (this._select)
            this._select.writeValue(this._select.value);
    }
    /** @internal */
    _setElementValue(value) {
        this._renderer.setProperty(this._element.nativeElement, 'value', value);
    }
    /** @nodoc */
    ngOnDestroy() {
        if (this._select) {
            this._select._optionMap.delete(this.id);
            this._select.writeValue(this._select.value);
        }
    }
}
NgSelectOption.ɵfac = function NgSelectOption_Factory(t) { return new (t || NgSelectOption)(_angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵɵdirectiveInject"](_angular_core__WEBPACK_IMPORTED_MODULE_0__.ElementRef), _angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵɵdirectiveInject"](_angular_core__WEBPACK_IMPORTED_MODULE_0__.Renderer2), _angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵɵdirectiveInject"](SelectControlValueAccessor, 9)); };
NgSelectOption.ɵdir = /*@__PURE__*/ _angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵɵdefineDirective"]({ type: NgSelectOption, selectors: [["option"]], inputs: { ngValue: "ngValue", value: "value" } });
NgSelectOption.ctorParameters = () => [
    { type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.ElementRef },
    { type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Renderer2 },
    { type: SelectControlValueAccessor, decorators: [{ type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Optional }, { type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Host }] }
];
NgSelectOption.propDecorators = {
    ngValue: [{ type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Input, args: ['ngValue',] }],
    value: [{ type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Input, args: ['value',] }]
};
(function () { (typeof ngDevMode === "undefined" || ngDevMode) && _angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵsetClassMetadata"](NgSelectOption, [{
        type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Directive,
        args: [{ selector: 'option' }]
    }], function () { return [{ type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.ElementRef }, { type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Renderer2 }, { type: SelectControlValueAccessor, decorators: [{
                type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Optional
            }, {
                type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Host
            }] }]; }, { ngValue: [{
            type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Input,
            args: ['ngValue']
        }], value: [{
            type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Input,
            args: ['value']
        }] }); })();

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
const SELECT_MULTIPLE_VALUE_ACCESSOR = {
    provide: NG_VALUE_ACCESSOR,
    useExisting: (0,_angular_core__WEBPACK_IMPORTED_MODULE_0__.forwardRef)(() => SelectMultipleControlValueAccessor),
    multi: true
};
function _buildValueString$1(id, value) {
    if (id == null)
        return `${value}`;
    if (typeof value === 'string')
        value = `'${value}'`;
    if (value && typeof value === 'object')
        value = 'Object';
    return `${id}: ${value}`.slice(0, 50);
}
function _extractId$1(valueString) {
    return valueString.split(':')[0];
}
/** Mock interface for HTMLCollection */
class HTMLCollection {
}
/**
 * @description
 * The `ControlValueAccessor` for writing multi-select control values and listening to multi-select
 * control changes. The value accessor is used by the `FormControlDirective`, `FormControlName`, and
 * `NgModel` directives.
 *
 * @see `SelectControlValueAccessor`
 *
 * @usageNotes
 *
 * ### Using a multi-select control
 *
 * The follow example shows you how to use a multi-select control with a reactive form.
 *
 * ```ts
 * const countryControl = new FormControl();
 * ```
 *
 * ```
 * <select multiple name="countries" [formControl]="countryControl">
 *   <option *ngFor="let country of countries" [ngValue]="country">
 *     {{ country.name }}
 *   </option>
 * </select>
 * ```
 *
 * ### Customizing option selection
 *
 * To customize the default option comparison algorithm, `<select>` supports `compareWith` input.
 * See the `SelectControlValueAccessor` for usage.
 *
 * @ngModule ReactiveFormsModule
 * @ngModule FormsModule
 * @publicApi
 */
class SelectMultipleControlValueAccessor extends BuiltInControlValueAccessor {
    constructor() {
        super(...arguments);
        /** @internal */
        this._optionMap = new Map();
        /** @internal */
        this._idCounter = 0;
        this._compareWith = Object.is;
    }
    /**
     * @description
     * Tracks the option comparison algorithm for tracking identities when
     * checking for changes.
     */
    set compareWith(fn) {
        if (typeof fn !== 'function' && (typeof ngDevMode === 'undefined' || ngDevMode)) {
            throw new Error(`compareWith must be a function, but received ${JSON.stringify(fn)}`);
        }
        this._compareWith = fn;
    }
    /**
     * Sets the "value" property on one or of more of the select's options.
     * @nodoc
     */
    writeValue(value) {
        this.value = value;
        let optionSelectedStateSetter;
        if (Array.isArray(value)) {
            // convert values to ids
            const ids = value.map((v) => this._getOptionId(v));
            optionSelectedStateSetter = (opt, o) => {
                opt._setSelected(ids.indexOf(o.toString()) > -1);
            };
        }
        else {
            optionSelectedStateSetter = (opt, o) => {
                opt._setSelected(false);
            };
        }
        this._optionMap.forEach(optionSelectedStateSetter);
    }
    /**
     * Registers a function called when the control value changes
     * and writes an array of the selected options.
     * @nodoc
     */
    registerOnChange(fn) {
        this.onChange = (_) => {
            const selected = [];
            if (_.selectedOptions !== undefined) {
                const options = _.selectedOptions;
                for (let i = 0; i < options.length; i++) {
                    const opt = options.item(i);
                    const val = this._getOptionValue(opt.value);
                    selected.push(val);
                }
            }
            // Degrade on IE
            else {
                const options = _.options;
                for (let i = 0; i < options.length; i++) {
                    const opt = options.item(i);
                    if (opt.selected) {
                        const val = this._getOptionValue(opt.value);
                        selected.push(val);
                    }
                }
            }
            this.value = selected;
            fn(selected);
        };
    }
    /** @internal */
    _registerOption(value) {
        const id = (this._idCounter++).toString();
        this._optionMap.set(id, value);
        return id;
    }
    /** @internal */
    _getOptionId(value) {
        for (const id of Array.from(this._optionMap.keys())) {
            if (this._compareWith(this._optionMap.get(id)._value, value))
                return id;
        }
        return null;
    }
    /** @internal */
    _getOptionValue(valueString) {
        const id = _extractId$1(valueString);
        return this._optionMap.has(id) ? this._optionMap.get(id)._value : valueString;
    }
}
SelectMultipleControlValueAccessor.ɵfac = /*@__PURE__*/ function () { let ɵSelectMultipleControlValueAccessor_BaseFactory; return function SelectMultipleControlValueAccessor_Factory(t) { return (ɵSelectMultipleControlValueAccessor_BaseFactory || (ɵSelectMultipleControlValueAccessor_BaseFactory = _angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵɵgetInheritedFactory"](SelectMultipleControlValueAccessor)))(t || SelectMultipleControlValueAccessor); }; }();
SelectMultipleControlValueAccessor.ɵdir = /*@__PURE__*/ _angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵɵdefineDirective"]({ type: SelectMultipleControlValueAccessor, selectors: [["select", "multiple", "", "formControlName", ""], ["select", "multiple", "", "formControl", ""], ["select", "multiple", "", "ngModel", ""]], hostBindings: function SelectMultipleControlValueAccessor_HostBindings(rf, ctx) { if (rf & 1) {
        _angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵɵlistener"]("change", function SelectMultipleControlValueAccessor_change_HostBindingHandler($event) { return ctx.onChange($event.target); })("blur", function SelectMultipleControlValueAccessor_blur_HostBindingHandler() { return ctx.onTouched(); });
    } }, inputs: { compareWith: "compareWith" }, features: [_angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵɵProvidersFeature"]([SELECT_MULTIPLE_VALUE_ACCESSOR]), _angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵɵInheritDefinitionFeature"]] });
SelectMultipleControlValueAccessor.propDecorators = {
    compareWith: [{ type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Input }]
};
(function () { (typeof ngDevMode === "undefined" || ngDevMode) && _angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵsetClassMetadata"](SelectMultipleControlValueAccessor, [{
        type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Directive,
        args: [{
                selector: 'select[multiple][formControlName],select[multiple][formControl],select[multiple][ngModel]',
                host: { '(change)': 'onChange($event.target)', '(blur)': 'onTouched()' },
                providers: [SELECT_MULTIPLE_VALUE_ACCESSOR]
            }]
    }], null, { compareWith: [{
            type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Input
        }] }); })();
/**
 * @description
 * Marks `<option>` as dynamic, so Angular can be notified when options change.
 *
 * @see `SelectMultipleControlValueAccessor`
 *
 * @ngModule ReactiveFormsModule
 * @ngModule FormsModule
 * @publicApi
 */
class ɵNgSelectMultipleOption {
    constructor(_element, _renderer, _select) {
        this._element = _element;
        this._renderer = _renderer;
        this._select = _select;
        if (this._select) {
            this.id = this._select._registerOption(this);
        }
    }
    /**
     * @description
     * Tracks the value bound to the option element. Unlike the value binding,
     * ngValue supports binding to objects.
     */
    set ngValue(value) {
        if (this._select == null)
            return;
        this._value = value;
        this._setElementValue(_buildValueString$1(this.id, value));
        this._select.writeValue(this._select.value);
    }
    /**
     * @description
     * Tracks simple string values bound to the option element.
     * For objects, use the `ngValue` input binding.
     */
    set value(value) {
        if (this._select) {
            this._value = value;
            this._setElementValue(_buildValueString$1(this.id, value));
            this._select.writeValue(this._select.value);
        }
        else {
            this._setElementValue(value);
        }
    }
    /** @internal */
    _setElementValue(value) {
        this._renderer.setProperty(this._element.nativeElement, 'value', value);
    }
    /** @internal */
    _setSelected(selected) {
        this._renderer.setProperty(this._element.nativeElement, 'selected', selected);
    }
    /** @nodoc */
    ngOnDestroy() {
        if (this._select) {
            this._select._optionMap.delete(this.id);
            this._select.writeValue(this._select.value);
        }
    }
}
ɵNgSelectMultipleOption.ɵfac = function ɵNgSelectMultipleOption_Factory(t) { return new (t || ɵNgSelectMultipleOption)(_angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵɵdirectiveInject"](_angular_core__WEBPACK_IMPORTED_MODULE_0__.ElementRef), _angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵɵdirectiveInject"](_angular_core__WEBPACK_IMPORTED_MODULE_0__.Renderer2), _angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵɵdirectiveInject"](SelectMultipleControlValueAccessor, 9)); };
ɵNgSelectMultipleOption.ɵdir = /*@__PURE__*/ _angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵɵdefineDirective"]({ type: ɵNgSelectMultipleOption, selectors: [["option"]], inputs: { ngValue: "ngValue", value: "value" } });
ɵNgSelectMultipleOption.ctorParameters = () => [
    { type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.ElementRef },
    { type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Renderer2 },
    { type: SelectMultipleControlValueAccessor, decorators: [{ type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Optional }, { type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Host }] }
];
ɵNgSelectMultipleOption.propDecorators = {
    ngValue: [{ type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Input, args: ['ngValue',] }],
    value: [{ type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Input, args: ['value',] }]
};
(function () { (typeof ngDevMode === "undefined" || ngDevMode) && _angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵsetClassMetadata"](ɵNgSelectMultipleOption, [{
        type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Directive,
        args: [{ selector: 'option' }]
    }], function () { return [{ type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.ElementRef }, { type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Renderer2 }, { type: SelectMultipleControlValueAccessor, decorators: [{
                type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Optional
            }, {
                type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Host
            }] }]; }, { ngValue: [{
            type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Input,
            args: ['ngValue']
        }], value: [{
            type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Input,
            args: ['value']
        }] }); })();

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
/**
 * A base class for Validator-based Directives. The class contains common logic shared across such
 * Directives.
 *
 * For internal use only, this class is not intended for use outside of the Forms package.
 */
class AbstractValidatorDirective {
    constructor() {
        this._validator = nullValidator;
    }
    /**
     * Helper function invoked from child classes to process changes (from `ngOnChanges` hook).
     * @nodoc
     */
    handleChanges(changes) {
        if (this.inputName in changes) {
            const input = this.normalizeInput(changes[this.inputName].currentValue);
            this._validator = this.createValidator(input);
            if (this._onChange) {
                this._onChange();
            }
        }
    }
    /** @nodoc */
    validate(control) {
        return this._validator(control);
    }
    /** @nodoc */
    registerOnValidatorChange(fn) {
        this._onChange = fn;
    }
}
AbstractValidatorDirective.ɵfac = function AbstractValidatorDirective_Factory(t) { return new (t || AbstractValidatorDirective)(); };
AbstractValidatorDirective.ɵdir = /*@__PURE__*/ _angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵɵdefineDirective"]({ type: AbstractValidatorDirective });
(function () { (typeof ngDevMode === "undefined" || ngDevMode) && _angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵsetClassMetadata"](AbstractValidatorDirective, [{
        type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Directive
    }], function () { return []; }, null); })();
/**
 * @description
 * Provider which adds `MaxValidator` to the `NG_VALIDATORS` multi-provider list.
 */
const MAX_VALIDATOR = {
    provide: NG_VALIDATORS,
    useExisting: (0,_angular_core__WEBPACK_IMPORTED_MODULE_0__.forwardRef)(() => MaxValidator),
    multi: true
};
/**
 * A directive which installs the {@link MaxValidator} for any `formControlName`,
 * `formControl`, or control with `ngModel` that also has a `max` attribute.
 *
 * @see [Form Validation](guide/form-validation)
 *
 * @usageNotes
 *
 * ### Adding a max validator
 *
 * The following example shows how to add a max validator to an input attached to an
 * ngModel binding.
 *
 * ```html
 * <input type="number" ngModel max="4">
 * ```
 *
 * @ngModule ReactiveFormsModule
 * @ngModule FormsModule
 * @publicApi
 */
class MaxValidator extends AbstractValidatorDirective {
    constructor() {
        super(...arguments);
        /** @internal */
        this.inputName = 'max';
        /** @internal */
        this.normalizeInput = (input) => parseFloat(input);
        /** @internal */
        this.createValidator = (max) => maxValidator(max);
    }
    /**
     * Declare `ngOnChanges` lifecycle hook at the main directive level (vs keeping it in base class)
     * to avoid differences in handling inheritance of lifecycle hooks between Ivy and ViewEngine in
     * AOT mode. This could be refactored once ViewEngine is removed.
     * @nodoc
     */
    ngOnChanges(changes) {
        this.handleChanges(changes);
    }
}
MaxValidator.ɵfac = /*@__PURE__*/ function () { let ɵMaxValidator_BaseFactory; return function MaxValidator_Factory(t) { return (ɵMaxValidator_BaseFactory || (ɵMaxValidator_BaseFactory = _angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵɵgetInheritedFactory"](MaxValidator)))(t || MaxValidator); }; }();
MaxValidator.ɵdir = /*@__PURE__*/ _angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵɵdefineDirective"]({ type: MaxValidator, selectors: [["input", "type", "number", "max", "", "formControlName", ""], ["input", "type", "number", "max", "", "formControl", ""], ["input", "type", "number", "max", "", "ngModel", ""]], hostVars: 1, hostBindings: function MaxValidator_HostBindings(rf, ctx) { if (rf & 2) {
        let tmp_b_0;
        _angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵɵattribute"]("max", (tmp_b_0 = ctx.max) !== null && tmp_b_0 !== undefined ? tmp_b_0 : null);
    } }, inputs: { max: "max" }, features: [_angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵɵProvidersFeature"]([MAX_VALIDATOR]), _angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵɵInheritDefinitionFeature"], _angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵɵNgOnChangesFeature"]] });
MaxValidator.propDecorators = {
    max: [{ type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Input }]
};
(function () { (typeof ngDevMode === "undefined" || ngDevMode) && _angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵsetClassMetadata"](MaxValidator, [{
        type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Directive,
        args: [{
                selector: 'input[type=number][max][formControlName],input[type=number][max][formControl],input[type=number][max][ngModel]',
                providers: [MAX_VALIDATOR],
                host: { '[attr.max]': 'max ?? null' }
            }]
    }], null, { max: [{
            type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Input
        }] }); })();
/**
 * @description
 * Provider which adds `MinValidator` to the `NG_VALIDATORS` multi-provider list.
 */
const MIN_VALIDATOR = {
    provide: NG_VALIDATORS,
    useExisting: (0,_angular_core__WEBPACK_IMPORTED_MODULE_0__.forwardRef)(() => MinValidator),
    multi: true
};
/**
 * A directive which installs the {@link MinValidator} for any `formControlName`,
 * `formControl`, or control with `ngModel` that also has a `min` attribute.
 *
 * @see [Form Validation](guide/form-validation)
 *
 * @usageNotes
 *
 * ### Adding a min validator
 *
 * The following example shows how to add a min validator to an input attached to an
 * ngModel binding.
 *
 * ```html
 * <input type="number" ngModel min="4">
 * ```
 *
 * @ngModule ReactiveFormsModule
 * @ngModule FormsModule
 * @publicApi
 */
class MinValidator extends AbstractValidatorDirective {
    constructor() {
        super(...arguments);
        /** @internal */
        this.inputName = 'min';
        /** @internal */
        this.normalizeInput = (input) => parseFloat(input);
        /** @internal */
        this.createValidator = (min) => minValidator(min);
    }
    /**
     * Declare `ngOnChanges` lifecycle hook at the main directive level (vs keeping it in base class)
     * to avoid differences in handling inheritance of lifecycle hooks between Ivy and ViewEngine in
     * AOT mode. This could be refactored once ViewEngine is removed.
     * @nodoc
     */
    ngOnChanges(changes) {
        this.handleChanges(changes);
    }
}
MinValidator.ɵfac = /*@__PURE__*/ function () { let ɵMinValidator_BaseFactory; return function MinValidator_Factory(t) { return (ɵMinValidator_BaseFactory || (ɵMinValidator_BaseFactory = _angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵɵgetInheritedFactory"](MinValidator)))(t || MinValidator); }; }();
MinValidator.ɵdir = /*@__PURE__*/ _angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵɵdefineDirective"]({ type: MinValidator, selectors: [["input", "type", "number", "min", "", "formControlName", ""], ["input", "type", "number", "min", "", "formControl", ""], ["input", "type", "number", "min", "", "ngModel", ""]], hostVars: 1, hostBindings: function MinValidator_HostBindings(rf, ctx) { if (rf & 2) {
        let tmp_b_0;
        _angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵɵattribute"]("min", (tmp_b_0 = ctx.min) !== null && tmp_b_0 !== undefined ? tmp_b_0 : null);
    } }, inputs: { min: "min" }, features: [_angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵɵProvidersFeature"]([MIN_VALIDATOR]), _angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵɵInheritDefinitionFeature"], _angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵɵNgOnChangesFeature"]] });
MinValidator.propDecorators = {
    min: [{ type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Input }]
};
(function () { (typeof ngDevMode === "undefined" || ngDevMode) && _angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵsetClassMetadata"](MinValidator, [{
        type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Directive,
        args: [{
                selector: 'input[type=number][min][formControlName],input[type=number][min][formControl],input[type=number][min][ngModel]',
                providers: [MIN_VALIDATOR],
                host: { '[attr.min]': 'min ?? null' }
            }]
    }], null, { min: [{
            type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Input
        }] }); })();
/**
 * @description
 * Provider which adds `RequiredValidator` to the `NG_VALIDATORS` multi-provider list.
 */
const REQUIRED_VALIDATOR = {
    provide: NG_VALIDATORS,
    useExisting: (0,_angular_core__WEBPACK_IMPORTED_MODULE_0__.forwardRef)(() => RequiredValidator),
    multi: true
};
/**
 * @description
 * Provider which adds `CheckboxRequiredValidator` to the `NG_VALIDATORS` multi-provider list.
 */
const CHECKBOX_REQUIRED_VALIDATOR = {
    provide: NG_VALIDATORS,
    useExisting: (0,_angular_core__WEBPACK_IMPORTED_MODULE_0__.forwardRef)(() => CheckboxRequiredValidator),
    multi: true
};
/**
 * @description
 * A directive that adds the `required` validator to any controls marked with the
 * `required` attribute. The directive is provided with the `NG_VALIDATORS` multi-provider list.
 *
 * @see [Form Validation](guide/form-validation)
 *
 * @usageNotes
 *
 * ### Adding a required validator using template-driven forms
 *
 * ```
 * <input name="fullName" ngModel required>
 * ```
 *
 * @ngModule FormsModule
 * @ngModule ReactiveFormsModule
 * @publicApi
 */
class RequiredValidator {
    constructor() {
        this._required = false;
    }
    /**
     * @description
     * Tracks changes to the required attribute bound to this directive.
     */
    get required() {
        return this._required;
    }
    set required(value) {
        this._required = value != null && value !== false && `${value}` !== 'false';
        if (this._onChange)
            this._onChange();
    }
    /**
     * Method that validates whether the control is empty.
     * Returns the validation result if enabled, otherwise null.
     * @nodoc
     */
    validate(control) {
        return this.required ? requiredValidator(control) : null;
    }
    /**
     * Registers a callback function to call when the validator inputs change.
     * @nodoc
     */
    registerOnValidatorChange(fn) {
        this._onChange = fn;
    }
}
RequiredValidator.ɵfac = function RequiredValidator_Factory(t) { return new (t || RequiredValidator)(); };
RequiredValidator.ɵdir = /*@__PURE__*/ _angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵɵdefineDirective"]({ type: RequiredValidator, selectors: [["", "required", "", "formControlName", "", 3, "type", "checkbox"], ["", "required", "", "formControl", "", 3, "type", "checkbox"], ["", "required", "", "ngModel", "", 3, "type", "checkbox"]], hostVars: 1, hostBindings: function RequiredValidator_HostBindings(rf, ctx) { if (rf & 2) {
        _angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵɵattribute"]("required", ctx.required ? "" : null);
    } }, inputs: { required: "required" }, features: [_angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵɵProvidersFeature"]([REQUIRED_VALIDATOR])] });
RequiredValidator.propDecorators = {
    required: [{ type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Input }]
};
(function () { (typeof ngDevMode === "undefined" || ngDevMode) && _angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵsetClassMetadata"](RequiredValidator, [{
        type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Directive,
        args: [{
                selector: ':not([type=checkbox])[required][formControlName],:not([type=checkbox])[required][formControl],:not([type=checkbox])[required][ngModel]',
                providers: [REQUIRED_VALIDATOR],
                host: { '[attr.required]': 'required ? "" : null' }
            }]
    }], function () { return []; }, { required: [{
            type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Input
        }] }); })();
/**
 * A Directive that adds the `required` validator to checkbox controls marked with the
 * `required` attribute. The directive is provided with the `NG_VALIDATORS` multi-provider list.
 *
 * @see [Form Validation](guide/form-validation)
 *
 * @usageNotes
 *
 * ### Adding a required checkbox validator using template-driven forms
 *
 * The following example shows how to add a checkbox required validator to an input attached to an
 * ngModel binding.
 *
 * ```
 * <input type="checkbox" name="active" ngModel required>
 * ```
 *
 * @publicApi
 * @ngModule FormsModule
 * @ngModule ReactiveFormsModule
 */
class CheckboxRequiredValidator extends RequiredValidator {
    /**
     * Method that validates whether or not the checkbox has been checked.
     * Returns the validation result if enabled, otherwise null.
     * @nodoc
     */
    validate(control) {
        return this.required ? requiredTrueValidator(control) : null;
    }
}
CheckboxRequiredValidator.ɵfac = /*@__PURE__*/ function () { let ɵCheckboxRequiredValidator_BaseFactory; return function CheckboxRequiredValidator_Factory(t) { return (ɵCheckboxRequiredValidator_BaseFactory || (ɵCheckboxRequiredValidator_BaseFactory = _angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵɵgetInheritedFactory"](CheckboxRequiredValidator)))(t || CheckboxRequiredValidator); }; }();
CheckboxRequiredValidator.ɵdir = /*@__PURE__*/ _angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵɵdefineDirective"]({ type: CheckboxRequiredValidator, selectors: [["input", "type", "checkbox", "required", "", "formControlName", ""], ["input", "type", "checkbox", "required", "", "formControl", ""], ["input", "type", "checkbox", "required", "", "ngModel", ""]], hostVars: 1, hostBindings: function CheckboxRequiredValidator_HostBindings(rf, ctx) { if (rf & 2) {
        _angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵɵattribute"]("required", ctx.required ? "" : null);
    } }, features: [_angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵɵProvidersFeature"]([CHECKBOX_REQUIRED_VALIDATOR]), _angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵɵInheritDefinitionFeature"]] });
(function () { (typeof ngDevMode === "undefined" || ngDevMode) && _angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵsetClassMetadata"](CheckboxRequiredValidator, [{
        type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Directive,
        args: [{
                selector: 'input[type=checkbox][required][formControlName],input[type=checkbox][required][formControl],input[type=checkbox][required][ngModel]',
                providers: [CHECKBOX_REQUIRED_VALIDATOR],
                host: { '[attr.required]': 'required ? "" : null' }
            }]
    }], null, null); })();
/**
 * @description
 * Provider which adds `EmailValidator` to the `NG_VALIDATORS` multi-provider list.
 */
const EMAIL_VALIDATOR = {
    provide: NG_VALIDATORS,
    useExisting: (0,_angular_core__WEBPACK_IMPORTED_MODULE_0__.forwardRef)(() => EmailValidator),
    multi: true
};
/**
 * A directive that adds the `email` validator to controls marked with the
 * `email` attribute. The directive is provided with the `NG_VALIDATORS` multi-provider list.
 *
 * @see [Form Validation](guide/form-validation)
 *
 * @usageNotes
 *
 * ### Adding an email validator
 *
 * The following example shows how to add an email validator to an input attached to an ngModel
 * binding.
 *
 * ```
 * <input type="email" name="email" ngModel email>
 * <input type="email" name="email" ngModel email="true">
 * <input type="email" name="email" ngModel [email]="true">
 * ```
 *
 * @publicApi
 * @ngModule FormsModule
 * @ngModule ReactiveFormsModule
 */
class EmailValidator {
    constructor() {
        this._enabled = false;
    }
    /**
     * @description
     * Tracks changes to the email attribute bound to this directive.
     */
    set email(value) {
        this._enabled = value === '' || value === true || value === 'true';
        if (this._onChange)
            this._onChange();
    }
    /**
     * Method that validates whether an email address is valid.
     * Returns the validation result if enabled, otherwise null.
     * @nodoc
     */
    validate(control) {
        return this._enabled ? emailValidator(control) : null;
    }
    /**
     * Registers a callback function to call when the validator inputs change.
     * @nodoc
     */
    registerOnValidatorChange(fn) {
        this._onChange = fn;
    }
}
EmailValidator.ɵfac = function EmailValidator_Factory(t) { return new (t || EmailValidator)(); };
EmailValidator.ɵdir = /*@__PURE__*/ _angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵɵdefineDirective"]({ type: EmailValidator, selectors: [["", "email", "", "formControlName", ""], ["", "email", "", "formControl", ""], ["", "email", "", "ngModel", ""]], inputs: { email: "email" }, features: [_angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵɵProvidersFeature"]([EMAIL_VALIDATOR])] });
EmailValidator.propDecorators = {
    email: [{ type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Input }]
};
(function () { (typeof ngDevMode === "undefined" || ngDevMode) && _angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵsetClassMetadata"](EmailValidator, [{
        type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Directive,
        args: [{
                selector: '[email][formControlName],[email][formControl],[email][ngModel]',
                providers: [EMAIL_VALIDATOR]
            }]
    }], function () { return []; }, { email: [{
            type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Input
        }] }); })();
/**
 * @description
 * Provider which adds `MinLengthValidator` to the `NG_VALIDATORS` multi-provider list.
 */
const MIN_LENGTH_VALIDATOR = {
    provide: NG_VALIDATORS,
    useExisting: (0,_angular_core__WEBPACK_IMPORTED_MODULE_0__.forwardRef)(() => MinLengthValidator),
    multi: true
};
/**
 * A directive that adds minimum length validation to controls marked with the
 * `minlength` attribute. The directive is provided with the `NG_VALIDATORS` multi-provider list.
 *
 * @see [Form Validation](guide/form-validation)
 *
 * @usageNotes
 *
 * ### Adding a minimum length validator
 *
 * The following example shows how to add a minimum length validator to an input attached to an
 * ngModel binding.
 *
 * ```html
 * <input name="firstName" ngModel minlength="4">
 * ```
 *
 * @ngModule ReactiveFormsModule
 * @ngModule FormsModule
 * @publicApi
 */
class MinLengthValidator {
    constructor() {
        this._validator = nullValidator;
    }
    /** @nodoc */
    ngOnChanges(changes) {
        if ('minlength' in changes) {
            this._createValidator();
            if (this._onChange)
                this._onChange();
        }
    }
    /**
     * Method that validates whether the value meets a minimum length requirement.
     * Returns the validation result if enabled, otherwise null.
     * @nodoc
     */
    validate(control) {
        return this.minlength == null ? null : this._validator(control);
    }
    /**
     * Registers a callback function to call when the validator inputs change.
     * @nodoc
     */
    registerOnValidatorChange(fn) {
        this._onChange = fn;
    }
    _createValidator() {
        this._validator = minLengthValidator(typeof this.minlength === 'number' ? this.minlength : parseInt(this.minlength, 10));
    }
}
MinLengthValidator.ɵfac = function MinLengthValidator_Factory(t) { return new (t || MinLengthValidator)(); };
MinLengthValidator.ɵdir = /*@__PURE__*/ _angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵɵdefineDirective"]({ type: MinLengthValidator, selectors: [["", "minlength", "", "formControlName", ""], ["", "minlength", "", "formControl", ""], ["", "minlength", "", "ngModel", ""]], hostVars: 1, hostBindings: function MinLengthValidator_HostBindings(rf, ctx) { if (rf & 2) {
        _angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵɵattribute"]("minlength", ctx.minlength ? ctx.minlength : null);
    } }, inputs: { minlength: "minlength" }, features: [_angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵɵProvidersFeature"]([MIN_LENGTH_VALIDATOR]), _angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵɵNgOnChangesFeature"]] });
MinLengthValidator.propDecorators = {
    minlength: [{ type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Input }]
};
(function () { (typeof ngDevMode === "undefined" || ngDevMode) && _angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵsetClassMetadata"](MinLengthValidator, [{
        type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Directive,
        args: [{
                selector: '[minlength][formControlName],[minlength][formControl],[minlength][ngModel]',
                providers: [MIN_LENGTH_VALIDATOR],
                host: { '[attr.minlength]': 'minlength ? minlength : null' }
            }]
    }], function () { return []; }, { minlength: [{
            type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Input
        }] }); })();
/**
 * @description
 * Provider which adds `MaxLengthValidator` to the `NG_VALIDATORS` multi-provider list.
 */
const MAX_LENGTH_VALIDATOR = {
    provide: NG_VALIDATORS,
    useExisting: (0,_angular_core__WEBPACK_IMPORTED_MODULE_0__.forwardRef)(() => MaxLengthValidator),
    multi: true
};
/**
 * A directive that adds max length validation to controls marked with the
 * `maxlength` attribute. The directive is provided with the `NG_VALIDATORS` multi-provider list.
 *
 * @see [Form Validation](guide/form-validation)
 *
 * @usageNotes
 *
 * ### Adding a maximum length validator
 *
 * The following example shows how to add a maximum length validator to an input attached to an
 * ngModel binding.
 *
 * ```html
 * <input name="firstName" ngModel maxlength="25">
 * ```
 *
 * @ngModule ReactiveFormsModule
 * @ngModule FormsModule
 * @publicApi
 */
class MaxLengthValidator {
    constructor() {
        this._validator = nullValidator;
    }
    /** @nodoc */
    ngOnChanges(changes) {
        if ('maxlength' in changes) {
            this._createValidator();
            if (this._onChange)
                this._onChange();
        }
    }
    /**
     * Method that validates whether the value exceeds the maximum length requirement.
     * @nodoc
     */
    validate(control) {
        return this.maxlength != null ? this._validator(control) : null;
    }
    /**
     * Registers a callback function to call when the validator inputs change.
     * @nodoc
     */
    registerOnValidatorChange(fn) {
        this._onChange = fn;
    }
    _createValidator() {
        this._validator = maxLengthValidator(typeof this.maxlength === 'number' ? this.maxlength : parseInt(this.maxlength, 10));
    }
}
MaxLengthValidator.ɵfac = function MaxLengthValidator_Factory(t) { return new (t || MaxLengthValidator)(); };
MaxLengthValidator.ɵdir = /*@__PURE__*/ _angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵɵdefineDirective"]({ type: MaxLengthValidator, selectors: [["", "maxlength", "", "formControlName", ""], ["", "maxlength", "", "formControl", ""], ["", "maxlength", "", "ngModel", ""]], hostVars: 1, hostBindings: function MaxLengthValidator_HostBindings(rf, ctx) { if (rf & 2) {
        _angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵɵattribute"]("maxlength", ctx.maxlength ? ctx.maxlength : null);
    } }, inputs: { maxlength: "maxlength" }, features: [_angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵɵProvidersFeature"]([MAX_LENGTH_VALIDATOR]), _angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵɵNgOnChangesFeature"]] });
MaxLengthValidator.propDecorators = {
    maxlength: [{ type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Input }]
};
(function () { (typeof ngDevMode === "undefined" || ngDevMode) && _angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵsetClassMetadata"](MaxLengthValidator, [{
        type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Directive,
        args: [{
                selector: '[maxlength][formControlName],[maxlength][formControl],[maxlength][ngModel]',
                providers: [MAX_LENGTH_VALIDATOR],
                host: { '[attr.maxlength]': 'maxlength ? maxlength : null' }
            }]
    }], function () { return []; }, { maxlength: [{
            type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Input
        }] }); })();
/**
 * @description
 * Provider which adds `PatternValidator` to the `NG_VALIDATORS` multi-provider list.
 */
const PATTERN_VALIDATOR = {
    provide: NG_VALIDATORS,
    useExisting: (0,_angular_core__WEBPACK_IMPORTED_MODULE_0__.forwardRef)(() => PatternValidator),
    multi: true
};
/**
 * @description
 * A directive that adds regex pattern validation to controls marked with the
 * `pattern` attribute. The regex must match the entire control value.
 * The directive is provided with the `NG_VALIDATORS` multi-provider list.
 *
 * @see [Form Validation](guide/form-validation)
 *
 * @usageNotes
 *
 * ### Adding a pattern validator
 *
 * The following example shows how to add a pattern validator to an input attached to an
 * ngModel binding.
 *
 * ```html
 * <input name="firstName" ngModel pattern="[a-zA-Z ]*">
 * ```
 *
 * @ngModule ReactiveFormsModule
 * @ngModule FormsModule
 * @publicApi
 */
class PatternValidator {
    constructor() {
        this._validator = nullValidator;
    }
    /** @nodoc */
    ngOnChanges(changes) {
        if ('pattern' in changes) {
            this._createValidator();
            if (this._onChange)
                this._onChange();
        }
    }
    /**
     * Method that validates whether the value matches the pattern requirement.
     * @nodoc
     */
    validate(control) {
        return this._validator(control);
    }
    /**
     * Registers a callback function to call when the validator inputs change.
     * @nodoc
     */
    registerOnValidatorChange(fn) {
        this._onChange = fn;
    }
    _createValidator() {
        this._validator = patternValidator(this.pattern);
    }
}
PatternValidator.ɵfac = function PatternValidator_Factory(t) { return new (t || PatternValidator)(); };
PatternValidator.ɵdir = /*@__PURE__*/ _angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵɵdefineDirective"]({ type: PatternValidator, selectors: [["", "pattern", "", "formControlName", ""], ["", "pattern", "", "formControl", ""], ["", "pattern", "", "ngModel", ""]], hostVars: 1, hostBindings: function PatternValidator_HostBindings(rf, ctx) { if (rf & 2) {
        _angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵɵattribute"]("pattern", ctx.pattern ? ctx.pattern : null);
    } }, inputs: { pattern: "pattern" }, features: [_angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵɵProvidersFeature"]([PATTERN_VALIDATOR]), _angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵɵNgOnChangesFeature"]] });
PatternValidator.propDecorators = {
    pattern: [{ type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Input }]
};
(function () { (typeof ngDevMode === "undefined" || ngDevMode) && _angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵsetClassMetadata"](PatternValidator, [{
        type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Directive,
        args: [{
                selector: '[pattern][formControlName],[pattern][formControl],[pattern][ngModel]',
                providers: [PATTERN_VALIDATOR],
                host: { '[attr.pattern]': 'pattern ? pattern : null' }
            }]
    }], function () { return []; }, { pattern: [{
            type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Input
        }] }); })();

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
const SHARED_FORM_DIRECTIVES = [
    ɵNgNoValidate,
    NgSelectOption,
    ɵNgSelectMultipleOption,
    DefaultValueAccessor,
    NumberValueAccessor,
    RangeValueAccessor,
    CheckboxControlValueAccessor,
    SelectControlValueAccessor,
    SelectMultipleControlValueAccessor,
    RadioControlValueAccessor,
    NgControlStatus,
    NgControlStatusGroup,
    RequiredValidator,
    MinLengthValidator,
    MaxLengthValidator,
    PatternValidator,
    CheckboxRequiredValidator,
    EmailValidator,
    MinValidator,
    MaxValidator,
];
const TEMPLATE_DRIVEN_DIRECTIVES = [NgModel, NgModelGroup, NgForm];
const REACTIVE_DRIVEN_DIRECTIVES = [FormControlDirective, FormGroupDirective, FormControlName, FormGroupName, FormArrayName];
/**
 * Internal module used for sharing directives between FormsModule and ReactiveFormsModule
 */
class ɵInternalFormsSharedModule {
}
ɵInternalFormsSharedModule.ɵfac = function ɵInternalFormsSharedModule_Factory(t) { return new (t || ɵInternalFormsSharedModule)(); };
ɵInternalFormsSharedModule.ɵmod = /*@__PURE__*/ _angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵɵdefineNgModule"]({ type: ɵInternalFormsSharedModule });
ɵInternalFormsSharedModule.ɵinj = /*@__PURE__*/ _angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵɵdefineInjector"]({ imports: [[RadioControlRegistryModule]] });
(function () { (typeof ngDevMode === "undefined" || ngDevMode) && _angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵsetClassMetadata"](ɵInternalFormsSharedModule, [{
        type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.NgModule,
        args: [{
                declarations: SHARED_FORM_DIRECTIVES,
                imports: [RadioControlRegistryModule],
                exports: SHARED_FORM_DIRECTIVES
            }]
    }], null, null); })();
(function () { (typeof ngJitMode === "undefined" || ngJitMode) && _angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵɵsetNgModuleScope"](ɵInternalFormsSharedModule, { declarations: [ɵNgNoValidate, NgSelectOption, ɵNgSelectMultipleOption, DefaultValueAccessor, NumberValueAccessor, RangeValueAccessor, CheckboxControlValueAccessor, SelectControlValueAccessor, SelectMultipleControlValueAccessor, RadioControlValueAccessor, NgControlStatus, NgControlStatusGroup, RequiredValidator, MinLengthValidator, MaxLengthValidator, PatternValidator, CheckboxRequiredValidator, EmailValidator, MinValidator, MaxValidator], imports: [RadioControlRegistryModule], exports: [ɵNgNoValidate, NgSelectOption, ɵNgSelectMultipleOption, DefaultValueAccessor, NumberValueAccessor, RangeValueAccessor, CheckboxControlValueAccessor, SelectControlValueAccessor, SelectMultipleControlValueAccessor, RadioControlValueAccessor, NgControlStatus, NgControlStatusGroup, RequiredValidator, MinLengthValidator, MaxLengthValidator, PatternValidator, CheckboxRequiredValidator, EmailValidator, MinValidator, MaxValidator] }); })();

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
/**
 * Exports the required providers and directives for template-driven forms,
 * making them available for import by NgModules that import this module.
 *
 * Providers associated with this module:
 * * `RadioControlRegistry`
 *
 * @see [Forms Overview](/guide/forms-overview)
 * @see [Template-driven Forms Guide](/guide/forms)
 *
 * @publicApi
 */
class FormsModule {
}
FormsModule.ɵfac = function FormsModule_Factory(t) { return new (t || FormsModule)(); };
FormsModule.ɵmod = /*@__PURE__*/ _angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵɵdefineNgModule"]({ type: FormsModule });
FormsModule.ɵinj = /*@__PURE__*/ _angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵɵdefineInjector"]({ imports: [ɵInternalFormsSharedModule] });
(function () { (typeof ngDevMode === "undefined" || ngDevMode) && _angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵsetClassMetadata"](FormsModule, [{
        type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.NgModule,
        args: [{
                declarations: TEMPLATE_DRIVEN_DIRECTIVES,
                exports: [ɵInternalFormsSharedModule, TEMPLATE_DRIVEN_DIRECTIVES]
            }]
    }], null, null); })();
(function () { (typeof ngJitMode === "undefined" || ngJitMode) && _angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵɵsetNgModuleScope"](FormsModule, { declarations: [NgModel, NgModelGroup, NgForm], exports: [ɵInternalFormsSharedModule, NgModel, NgModelGroup, NgForm] }); })();
/**
 * Exports the required infrastructure and directives for reactive forms,
 * making them available for import by NgModules that import this module.
 *
 * Providers associated with this module:
 * * `FormBuilder`
 * * `RadioControlRegistry`
 *
 * @see [Forms Overview](guide/forms-overview)
 * @see [Reactive Forms Guide](guide/reactive-forms)
 *
 * @publicApi
 */
class ReactiveFormsModule {
    /**
     * @description
     * Provides options for configuring the reactive forms module.
     *
     * @param opts An object of configuration options
     * * `warnOnNgModelWithFormControl` Configures when to emit a warning when an `ngModel`
     * binding is used with reactive form directives.
     */
    static withConfig(opts) {
        return {
            ngModule: ReactiveFormsModule,
            providers: [
                { provide: NG_MODEL_WITH_FORM_CONTROL_WARNING, useValue: opts.warnOnNgModelWithFormControl }
            ]
        };
    }
}
ReactiveFormsModule.ɵfac = function ReactiveFormsModule_Factory(t) { return new (t || ReactiveFormsModule)(); };
ReactiveFormsModule.ɵmod = /*@__PURE__*/ _angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵɵdefineNgModule"]({ type: ReactiveFormsModule });
ReactiveFormsModule.ɵinj = /*@__PURE__*/ _angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵɵdefineInjector"]({ imports: [ɵInternalFormsSharedModule] });
(function () { (typeof ngDevMode === "undefined" || ngDevMode) && _angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵsetClassMetadata"](ReactiveFormsModule, [{
        type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.NgModule,
        args: [{
                declarations: [REACTIVE_DRIVEN_DIRECTIVES],
                exports: [ɵInternalFormsSharedModule, REACTIVE_DRIVEN_DIRECTIVES]
            }]
    }], null, null); })();
(function () { (typeof ngJitMode === "undefined" || ngJitMode) && _angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵɵsetNgModuleScope"](ReactiveFormsModule, { declarations: [FormControlDirective, FormGroupDirective, FormControlName, FormGroupName, FormArrayName], exports: [ɵInternalFormsSharedModule, FormControlDirective, FormGroupDirective, FormControlName, FormGroupName, FormArrayName] }); })();

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
function isAbstractControlOptions(options) {
    return options.asyncValidators !== undefined ||
        options.validators !== undefined ||
        options.updateOn !== undefined;
}
/**
 * @description
 * Creates an `AbstractControl` from a user-specified configuration.
 *
 * The `FormBuilder` provides syntactic sugar that shortens creating instances of a `FormControl`,
 * `FormGroup`, or `FormArray`. It reduces the amount of boilerplate needed to build complex
 * forms.
 *
 * @see [Reactive Forms Guide](/guide/reactive-forms)
 *
 * @publicApi
 */
class FormBuilder {
    group(controlsConfig, options = null) {
        const controls = this._reduceControls(controlsConfig);
        let validators = null;
        let asyncValidators = null;
        let updateOn = undefined;
        if (options != null) {
            if (isAbstractControlOptions(options)) {
                // `options` are `AbstractControlOptions`
                validators = options.validators != null ? options.validators : null;
                asyncValidators = options.asyncValidators != null ? options.asyncValidators : null;
                updateOn = options.updateOn != null ? options.updateOn : undefined;
            }
            else {
                // `options` are legacy form group options
                validators = options['validator'] != null ? options['validator'] : null;
                asyncValidators = options['asyncValidator'] != null ? options['asyncValidator'] : null;
            }
        }
        return new FormGroup(controls, { asyncValidators, updateOn, validators });
    }
    /**
     * @description
     * Construct a new `FormControl` with the given state, validators and options.
     *
     * @param formState Initializes the control with an initial state value, or
     * with an object that contains both a value and a disabled status.
     *
     * @param validatorOrOpts A synchronous validator function, or an array of
     * such functions, or an `AbstractControlOptions` object that contains
     * validation functions and a validation trigger.
     *
     * @param asyncValidator A single async validator or array of async validator
     * functions.
     *
     * @usageNotes
     *
     * ### Initialize a control as disabled
     *
     * The following example returns a control with an initial value in a disabled state.
     *
     * <code-example path="forms/ts/formBuilder/form_builder_example.ts" region="disabled-control">
     * </code-example>
     */
    control(formState, validatorOrOpts, asyncValidator) {
        return new FormControl(formState, validatorOrOpts, asyncValidator);
    }
    /**
     * Constructs a new `FormArray` from the given array of configurations,
     * validators and options.
     *
     * @param controlsConfig An array of child controls or control configs. Each
     * child control is given an index when it is registered.
     *
     * @param validatorOrOpts A synchronous validator function, or an array of
     * such functions, or an `AbstractControlOptions` object that contains
     * validation functions and a validation trigger.
     *
     * @param asyncValidator A single async validator or array of async validator
     * functions.
     */
    array(controlsConfig, validatorOrOpts, asyncValidator) {
        const controls = controlsConfig.map(c => this._createControl(c));
        return new FormArray(controls, validatorOrOpts, asyncValidator);
    }
    /** @internal */
    _reduceControls(controlsConfig) {
        const controls = {};
        Object.keys(controlsConfig).forEach(controlName => {
            controls[controlName] = this._createControl(controlsConfig[controlName]);
        });
        return controls;
    }
    /** @internal */
    _createControl(controlConfig) {
        if (controlConfig instanceof FormControl || controlConfig instanceof FormGroup ||
            controlConfig instanceof FormArray) {
            return controlConfig;
        }
        else if (Array.isArray(controlConfig)) {
            const value = controlConfig[0];
            const validator = controlConfig.length > 1 ? controlConfig[1] : null;
            const asyncValidator = controlConfig.length > 2 ? controlConfig[2] : null;
            return this.control(value, validator, asyncValidator);
        }
        else {
            return this.control(controlConfig);
        }
    }
}
FormBuilder.ɵfac = function FormBuilder_Factory(t) { return new (t || FormBuilder)(); };
FormBuilder.ɵprov = (0,_angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵɵdefineInjectable"])({ factory: function FormBuilder_Factory() { return new FormBuilder(); }, token: FormBuilder, providedIn: ReactiveFormsModule });
(function () { (typeof ngDevMode === "undefined" || ngDevMode) && _angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵsetClassMetadata"](FormBuilder, [{
        type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Injectable,
        args: [{ providedIn: ReactiveFormsModule }]
    }], null, null); })();

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
/**
 * @publicApi
 */
const VERSION = new _angular_core__WEBPACK_IMPORTED_MODULE_0__.Version('12.1.5');

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
// This file only reexports content of the `src` folder. Keep it that way.

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */

/**
 * Generated bundle index. Do not edit.
 */



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/***/ }),

/***/ 4608:
/*!**********************************************************************************************************!*\
  !*** ./node_modules/@angular/platform-browser-dynamic/__ivy_ngcc__/fesm2015/platform-browser-dynamic.js ***!
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"use strict";
__webpack_require__.r(__webpack_exports__);
/* harmony export */ __webpack_require__.d(__webpack_exports__, {
/* harmony export */   "JitCompilerFactory": () => (/* binding */ JitCompilerFactory),
/* harmony export */   "RESOURCE_CACHE_PROVIDER": () => (/* binding */ RESOURCE_CACHE_PROVIDER),
/* harmony export */   "VERSION": () => (/* binding */ VERSION),
/* harmony export */   "platformBrowserDynamic": () => (/* binding */ platformBrowserDynamic),
/* harmony export */   "ɵCOMPILER_PROVIDERS__POST_R3__": () => (/* binding */ COMPILER_PROVIDERS__POST_R3__),
/* harmony export */   "ɵCompilerImpl": () => (/* binding */ CompilerImpl),
/* harmony export */   "ɵINTERNAL_BROWSER_DYNAMIC_PLATFORM_PROVIDERS": () => (/* binding */ INTERNAL_BROWSER_DYNAMIC_PLATFORM_PROVIDERS),
/* harmony export */   "ɵResourceLoaderImpl": () => (/* binding */ ResourceLoaderImpl),
/* harmony export */   "ɵangular_packages_platform_browser_dynamic_platform_browser_dynamic_a": () => (/* binding */ CachedResourceLoader),
/* harmony export */   "ɵplatformCoreDynamic": () => (/* binding */ platformCoreDynamic)
/* harmony export */ });
/* harmony import */ var _angular_compiler__WEBPACK_IMPORTED_MODULE_0__ = __webpack_require__(/*! @angular/compiler */ 9101);
/* harmony import */ var _angular_core__WEBPACK_IMPORTED_MODULE_1__ = __webpack_require__(/*! @angular/core */ 7716);
/* harmony import */ var _angular_common__WEBPACK_IMPORTED_MODULE_2__ = __webpack_require__(/*! @angular/common */ 8583);
/* harmony import */ var _angular_platform_browser__WEBPACK_IMPORTED_MODULE_3__ = __webpack_require__(/*! @angular/platform-browser */ 9075);
/**
 * @license Angular v12.1.5
 * (c) 2010-2021 Google LLC. https://angular.io/
 * License: MIT
 */






/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */

const MODULE_SUFFIX = '';
const builtinExternalReferences = createBuiltinExternalReferencesMap();
class JitReflector {
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        this.reflectionCapabilities = new _angular_core__WEBPACK_IMPORTED_MODULE_1__["ɵReflectionCapabilities"]();
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    componentModuleUrl(type, cmpMetadata) {
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        if (typeof moduleId === 'string') {
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        else if (moduleId !== null && moduleId !== void 0) {
            throw (0,_angular_compiler__WEBPACK_IMPORTED_MODULE_0__.syntaxError)(`moduleId should be a string in "${(0,_angular_core__WEBPACK_IMPORTED_MODULE_1__["ɵstringify"])(type)}". See https://goo.gl/wIDDiL for more information.\n` +
                `If you're using Webpack you should inline the template and the styles, see https://goo.gl/X2J8zc.`);
        }
        return `./${(0,_angular_core__WEBPACK_IMPORTED_MODULE_1__["ɵstringify"])(type)}`;
    }
    parameters(typeOrFunc) {
        return this.reflectionCapabilities.parameters(typeOrFunc);
    }
    tryAnnotations(typeOrFunc) {
        return this.annotations(typeOrFunc);
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    annotations(typeOrFunc) {
        return this.reflectionCapabilities.annotations(typeOrFunc);
    }
    shallowAnnotations(typeOrFunc) {
        throw new Error('Not supported in JIT mode');
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    propMetadata(typeOrFunc) {
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    }
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function createBuiltinExternalReferencesMap() {
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}

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
const ERROR_COLLECTOR_TOKEN = new _angular_core__WEBPACK_IMPORTED_MODULE_1__.InjectionToken('ErrorCollector');
/**
 * A default provider for {@link PACKAGE_ROOT_URL} that maps to '/'.
 */
const DEFAULT_PACKAGE_URL_PROVIDER = {
    provide: _angular_core__WEBPACK_IMPORTED_MODULE_1__.PACKAGE_ROOT_URL,
    useValue: '/'
};
const _NO_RESOURCE_LOADER = {
    get(url) {
        throw new Error(`No ResourceLoader implementation has been provided. Can't read the url "${url}"`);
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};
const baseHtmlParser = new _angular_core__WEBPACK_IMPORTED_MODULE_1__.InjectionToken('HtmlParser');
class CompilerImpl {
    constructor(injector, _metadataResolver, templateParser, styleCompiler, viewCompiler, ngModuleCompiler, summaryResolver, compileReflector, jitEvaluator, compilerConfig, console) {
        this._metadataResolver = _metadataResolver;
        this._delegate = new _angular_compiler__WEBPACK_IMPORTED_MODULE_0__.JitCompiler(_metadataResolver, templateParser, styleCompiler, viewCompiler, ngModuleCompiler, summaryResolver, compileReflector, jitEvaluator, compilerConfig, console, this.getExtraNgModuleProviders.bind(this));
        this.injector = injector;
    }
    getExtraNgModuleProviders() {
        return [this._metadataResolver.getProviderMetadata(new _angular_compiler__WEBPACK_IMPORTED_MODULE_0__.ProviderMeta(_angular_core__WEBPACK_IMPORTED_MODULE_1__.Compiler, { useValue: this }))];
    }
    compileModuleSync(moduleType) {
        return this._delegate.compileModuleSync(moduleType);
    }
    compileModuleAsync(moduleType) {
        return this._delegate.compileModuleAsync(moduleType);
    }
    compileModuleAndAllComponentsSync(moduleType) {
        const result = this._delegate.compileModuleAndAllComponentsSync(moduleType);
        return {
            ngModuleFactory: result.ngModuleFactory,
            componentFactories: result.componentFactories,
        };
    }
    compileModuleAndAllComponentsAsync(moduleType) {
        return this._delegate.compileModuleAndAllComponentsAsync(moduleType)
            .then((result) => ({
            ngModuleFactory: result.ngModuleFactory,
            componentFactories: result.componentFactories,
        }));
    }
    loadAotSummaries(summaries) {
        this._delegate.loadAotSummaries(summaries);
    }
    hasAotSummary(ref) {
        return this._delegate.hasAotSummary(ref);
    }
    getComponentFactory(component) {
        return this._delegate.getComponentFactory(component);
    }
    clearCache() {
        this._delegate.clearCache();
    }
    clearCacheFor(type) {
        this._delegate.clearCacheFor(type);
    }
    getModuleId(moduleType) {
        const meta = this._metadataResolver.getNgModuleMetadata(moduleType);
        return meta && meta.id || undefined;
    }
}
const ɵ0 = new JitReflector(), ɵ1 = _NO_RESOURCE_LOADER, ɵ2 = (parser, translations, format, config, console) => {
    translations = translations || '';
    const missingTranslation = translations ? config.missingTranslation : _angular_core__WEBPACK_IMPORTED_MODULE_1__.MissingTranslationStrategy.Ignore;
    return new _angular_compiler__WEBPACK_IMPORTED_MODULE_0__.I18NHtmlParser(parser, translations, format, missingTranslation, console);
}, ɵ3 = new _angular_compiler__WEBPACK_IMPORTED_MODULE_0__.CompilerConfig();
/**
 * A set of providers that provide `JitCompiler` and its dependencies to use for
 * template compilation.
 */
const COMPILER_PROVIDERS__PRE_R3__ = [
    { provide: _angular_compiler__WEBPACK_IMPORTED_MODULE_0__.CompileReflector, useValue: ɵ0 },
    { provide: _angular_compiler__WEBPACK_IMPORTED_MODULE_0__.ResourceLoader, useValue: ɵ1 },
    { provide: _angular_compiler__WEBPACK_IMPORTED_MODULE_0__.JitSummaryResolver, deps: [] },
    { provide: _angular_compiler__WEBPACK_IMPORTED_MODULE_0__.SummaryResolver, useExisting: _angular_compiler__WEBPACK_IMPORTED_MODULE_0__.JitSummaryResolver },
    { provide: _angular_core__WEBPACK_IMPORTED_MODULE_1__["ɵConsole"], deps: [] },
    { provide: _angular_compiler__WEBPACK_IMPORTED_MODULE_0__.Lexer, deps: [] },
    { provide: _angular_compiler__WEBPACK_IMPORTED_MODULE_0__.Parser, deps: [_angular_compiler__WEBPACK_IMPORTED_MODULE_0__.Lexer] },
    {
        provide: baseHtmlParser,
        useClass: _angular_compiler__WEBPACK_IMPORTED_MODULE_0__.HtmlParser,
        deps: [],
    },
    {
        provide: _angular_compiler__WEBPACK_IMPORTED_MODULE_0__.I18NHtmlParser,
        useFactory: ɵ2,
        deps: [
            baseHtmlParser,
            [new _angular_core__WEBPACK_IMPORTED_MODULE_1__.Optional(), new _angular_core__WEBPACK_IMPORTED_MODULE_1__.Inject(_angular_core__WEBPACK_IMPORTED_MODULE_1__.TRANSLATIONS)],
            [new _angular_core__WEBPACK_IMPORTED_MODULE_1__.Optional(), new _angular_core__WEBPACK_IMPORTED_MODULE_1__.Inject(_angular_core__WEBPACK_IMPORTED_MODULE_1__.TRANSLATIONS_FORMAT)],
            [_angular_compiler__WEBPACK_IMPORTED_MODULE_0__.CompilerConfig],
            [_angular_core__WEBPACK_IMPORTED_MODULE_1__["ɵConsole"]],
        ]
    },
    {
        provide: _angular_compiler__WEBPACK_IMPORTED_MODULE_0__.HtmlParser,
        useExisting: _angular_compiler__WEBPACK_IMPORTED_MODULE_0__.I18NHtmlParser,
    },
    {
        provide: _angular_compiler__WEBPACK_IMPORTED_MODULE_0__.TemplateParser,
        deps: [_angular_compiler__WEBPACK_IMPORTED_MODULE_0__.CompilerConfig, _angular_compiler__WEBPACK_IMPORTED_MODULE_0__.CompileReflector, _angular_compiler__WEBPACK_IMPORTED_MODULE_0__.Parser, _angular_compiler__WEBPACK_IMPORTED_MODULE_0__.ElementSchemaRegistry, _angular_compiler__WEBPACK_IMPORTED_MODULE_0__.I18NHtmlParser, _angular_core__WEBPACK_IMPORTED_MODULE_1__["ɵConsole"]]
    },
    { provide: _angular_compiler__WEBPACK_IMPORTED_MODULE_0__.JitEvaluator, useClass: _angular_compiler__WEBPACK_IMPORTED_MODULE_0__.JitEvaluator, deps: [] },
    { provide: _angular_compiler__WEBPACK_IMPORTED_MODULE_0__.DirectiveNormalizer, deps: [_angular_compiler__WEBPACK_IMPORTED_MODULE_0__.ResourceLoader, _angular_compiler__WEBPACK_IMPORTED_MODULE_0__.UrlResolver, _angular_compiler__WEBPACK_IMPORTED_MODULE_0__.HtmlParser, _angular_compiler__WEBPACK_IMPORTED_MODULE_0__.CompilerConfig] },
    {
        provide: _angular_compiler__WEBPACK_IMPORTED_MODULE_0__.CompileMetadataResolver,
        deps: [
            _angular_compiler__WEBPACK_IMPORTED_MODULE_0__.CompilerConfig, _angular_compiler__WEBPACK_IMPORTED_MODULE_0__.HtmlParser, _angular_compiler__WEBPACK_IMPORTED_MODULE_0__.NgModuleResolver, _angular_compiler__WEBPACK_IMPORTED_MODULE_0__.DirectiveResolver, _angular_compiler__WEBPACK_IMPORTED_MODULE_0__.PipeResolver,
            _angular_compiler__WEBPACK_IMPORTED_MODULE_0__.SummaryResolver, _angular_compiler__WEBPACK_IMPORTED_MODULE_0__.ElementSchemaRegistry, _angular_compiler__WEBPACK_IMPORTED_MODULE_0__.DirectiveNormalizer, _angular_core__WEBPACK_IMPORTED_MODULE_1__["ɵConsole"],
            [_angular_core__WEBPACK_IMPORTED_MODULE_1__.Optional, _angular_compiler__WEBPACK_IMPORTED_MODULE_0__.StaticSymbolCache], _angular_compiler__WEBPACK_IMPORTED_MODULE_0__.CompileReflector, [_angular_core__WEBPACK_IMPORTED_MODULE_1__.Optional, ERROR_COLLECTOR_TOKEN]
        ]
    },
    DEFAULT_PACKAGE_URL_PROVIDER,
    { provide: _angular_compiler__WEBPACK_IMPORTED_MODULE_0__.StyleCompiler, deps: [_angular_compiler__WEBPACK_IMPORTED_MODULE_0__.UrlResolver] },
    { provide: _angular_compiler__WEBPACK_IMPORTED_MODULE_0__.ViewCompiler, deps: [_angular_compiler__WEBPACK_IMPORTED_MODULE_0__.CompileReflector] },
    { provide: _angular_compiler__WEBPACK_IMPORTED_MODULE_0__.NgModuleCompiler, deps: [_angular_compiler__WEBPACK_IMPORTED_MODULE_0__.CompileReflector] },
    { provide: _angular_compiler__WEBPACK_IMPORTED_MODULE_0__.CompilerConfig, useValue: ɵ3 },
    {
        provide: _angular_core__WEBPACK_IMPORTED_MODULE_1__.Compiler,
        useClass: CompilerImpl,
        deps: [
            _angular_core__WEBPACK_IMPORTED_MODULE_1__.Injector, _angular_compiler__WEBPACK_IMPORTED_MODULE_0__.CompileMetadataResolver, _angular_compiler__WEBPACK_IMPORTED_MODULE_0__.TemplateParser, _angular_compiler__WEBPACK_IMPORTED_MODULE_0__.StyleCompiler, _angular_compiler__WEBPACK_IMPORTED_MODULE_0__.ViewCompiler,
            _angular_compiler__WEBPACK_IMPORTED_MODULE_0__.NgModuleCompiler, _angular_compiler__WEBPACK_IMPORTED_MODULE_0__.SummaryResolver, _angular_compiler__WEBPACK_IMPORTED_MODULE_0__.CompileReflector, _angular_compiler__WEBPACK_IMPORTED_MODULE_0__.JitEvaluator, _angular_compiler__WEBPACK_IMPORTED_MODULE_0__.CompilerConfig, _angular_core__WEBPACK_IMPORTED_MODULE_1__["ɵConsole"]
        ]
    },
    { provide: _angular_compiler__WEBPACK_IMPORTED_MODULE_0__.DomElementSchemaRegistry, deps: [] },
    { provide: _angular_compiler__WEBPACK_IMPORTED_MODULE_0__.ElementSchemaRegistry, useExisting: _angular_compiler__WEBPACK_IMPORTED_MODULE_0__.DomElementSchemaRegistry },
    { provide: _angular_compiler__WEBPACK_IMPORTED_MODULE_0__.UrlResolver, deps: [_angular_core__WEBPACK_IMPORTED_MODULE_1__.PACKAGE_ROOT_URL] },
    { provide: _angular_compiler__WEBPACK_IMPORTED_MODULE_0__.DirectiveResolver, deps: [_angular_compiler__WEBPACK_IMPORTED_MODULE_0__.CompileReflector] },
    { provide: _angular_compiler__WEBPACK_IMPORTED_MODULE_0__.PipeResolver, deps: [_angular_compiler__WEBPACK_IMPORTED_MODULE_0__.CompileReflector] },
    { provide: _angular_compiler__WEBPACK_IMPORTED_MODULE_0__.NgModuleResolver, deps: [_angular_compiler__WEBPACK_IMPORTED_MODULE_0__.CompileReflector] },
];
const COMPILER_PROVIDERS__POST_R3__ = [{ provide: _angular_core__WEBPACK_IMPORTED_MODULE_1__.Compiler, useFactory: () => new _angular_core__WEBPACK_IMPORTED_MODULE_1__.Compiler() }];
const COMPILER_PROVIDERS = COMPILER_PROVIDERS__POST_R3__;
/**
 * @publicApi
 */
class JitCompilerFactory {
    /* @internal */
    constructor(defaultOptions) {
        const compilerOptions = {
            useJit: true,
            defaultEncapsulation: _angular_core__WEBPACK_IMPORTED_MODULE_1__.ViewEncapsulation.Emulated,
            missingTranslation: _angular_core__WEBPACK_IMPORTED_MODULE_1__.MissingTranslationStrategy.Warning,
        };
        this._defaultOptions = [compilerOptions, ...defaultOptions];
    }
    createCompiler(options = []) {
        const opts = _mergeOptions(this._defaultOptions.concat(options));
        const injector = _angular_core__WEBPACK_IMPORTED_MODULE_1__.Injector.create([
            COMPILER_PROVIDERS, {
                provide: _angular_compiler__WEBPACK_IMPORTED_MODULE_0__.CompilerConfig,
                useFactory: () => {
                    return new _angular_compiler__WEBPACK_IMPORTED_MODULE_0__.CompilerConfig({
                        // let explicit values from the compiler options overwrite options
                        // from the app providers
                        useJit: opts.useJit,
                        jitDevMode: (0,_angular_core__WEBPACK_IMPORTED_MODULE_1__.isDevMode)(),
                        // let explicit values from the compiler options overwrite options
                        // from the app providers
                        defaultEncapsulation: opts.defaultEncapsulation,
                        missingTranslation: opts.missingTranslation,
                        preserveWhitespaces: opts.preserveWhitespaces,
                    });
                },
                deps: []
            },
            opts.providers
        ]);
        return injector.get(_angular_core__WEBPACK_IMPORTED_MODULE_1__.Compiler);
    }
}
function _mergeOptions(optionsArr) {
    return {
        useJit: _lastDefined(optionsArr.map(options => options.useJit)),
        defaultEncapsulation: _lastDefined(optionsArr.map(options => options.defaultEncapsulation)),
        providers: _mergeArrays(optionsArr.map(options => options.providers)),
        missingTranslation: _lastDefined(optionsArr.map(options => options.missingTranslation)),
        preserveWhitespaces: _lastDefined(optionsArr.map(options => options.preserveWhitespaces)),
    };
}
function _lastDefined(args) {
    for (let i = args.length - 1; i >= 0; i--) {
        if (args[i] !== undefined) {
            return args[i];
        }
    }
    return undefined;
}
function _mergeArrays(parts) {
    const result = [];
    parts.forEach((part) => part && result.push(...part));
    return result;
}

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
const ɵ0$1 = {};
/**
 * A platform that included corePlatform and the compiler.
 *
 * @publicApi
 */
const platformCoreDynamic = (0,_angular_core__WEBPACK_IMPORTED_MODULE_1__.createPlatformFactory)(_angular_core__WEBPACK_IMPORTED_MODULE_1__.platformCore, 'coreDynamic', [
    { provide: _angular_core__WEBPACK_IMPORTED_MODULE_1__.COMPILER_OPTIONS, useValue: ɵ0$1, multi: true },
    { provide: _angular_core__WEBPACK_IMPORTED_MODULE_1__.CompilerFactory, useClass: JitCompilerFactory, deps: [_angular_core__WEBPACK_IMPORTED_MODULE_1__.COMPILER_OPTIONS] },
]);

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
class ResourceLoaderImpl extends _angular_compiler__WEBPACK_IMPORTED_MODULE_0__.ResourceLoader {
    get(url) {
        let resolve;
        let reject;
        const promise = new Promise((res, rej) => {
            resolve = res;
            reject = rej;
        });
        const xhr = new XMLHttpRequest();
        xhr.open('GET', url, true);
        xhr.responseType = 'text';
        xhr.onload = function () {
            // responseText is the old-school way of retrieving response (supported by IE8 & 9)
            // response/responseType properties were introduced in ResourceLoader Level2 spec (supported
            // by IE10)
            const response = xhr.response || xhr.responseText;
            // normalize IE9 bug (https://bugs.jquery.com/ticket/1450)
            let status = xhr.status === 1223 ? 204 : xhr.status;
            // fix status code when it is 0 (0 status is undocumented).
            // Occurs when accessing file resources or on Android 4.1 stock browser
            // while retrieving files from application cache.
            if (status === 0) {
                status = response ? 200 : 0;
            }
            if (200 <= status && status <= 300) {
                resolve(response);
            }
            else {
                reject(`Failed to load ${url}`);
            }
        };
        xhr.onerror = function () {
            reject(`Failed to load ${url}`);
        };
        xhr.send();
        return promise;
    }
}
ResourceLoaderImpl.ɵfac = /*@__PURE__*/ function () { let ɵResourceLoaderImpl_BaseFactory; return function ResourceLoaderImpl_Factory(t) { return (ɵResourceLoaderImpl_BaseFactory || (ɵResourceLoaderImpl_BaseFactory = _angular_core__WEBPACK_IMPORTED_MODULE_1__["ɵɵgetInheritedFactory"](ResourceLoaderImpl)))(t || ResourceLoaderImpl); }; }();
ResourceLoaderImpl.ɵprov = /*@__PURE__*/ _angular_core__WEBPACK_IMPORTED_MODULE_1__["ɵɵdefineInjectable"]({ token: ResourceLoaderImpl, factory: ResourceLoaderImpl.ɵfac });
(function () { (typeof ngDevMode === "undefined" || ngDevMode) && _angular_core__WEBPACK_IMPORTED_MODULE_1__["ɵsetClassMetadata"](ResourceLoaderImpl, [{
        type: _angular_core__WEBPACK_IMPORTED_MODULE_1__.Injectable
    }], null, null); })();

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
const ɵ0$2 = { providers: [{ provide: _angular_compiler__WEBPACK_IMPORTED_MODULE_0__.ResourceLoader, useClass: ResourceLoaderImpl, deps: [] }] }, ɵ1$1 = _angular_common__WEBPACK_IMPORTED_MODULE_2__["ɵPLATFORM_BROWSER_ID"];
/**
 * @publicApi
 */
const INTERNAL_BROWSER_DYNAMIC_PLATFORM_PROVIDERS = [
    _angular_platform_browser__WEBPACK_IMPORTED_MODULE_3__["ɵINTERNAL_BROWSER_PLATFORM_PROVIDERS"],
    {
        provide: _angular_core__WEBPACK_IMPORTED_MODULE_1__.COMPILER_OPTIONS,
        useValue: ɵ0$2,
        multi: true
    },
    { provide: _angular_core__WEBPACK_IMPORTED_MODULE_1__.PLATFORM_ID, useValue: ɵ1$1 },
];

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
/**
 * An implementation of ResourceLoader that uses a template cache to avoid doing an actual
 * ResourceLoader.
 *
 * The template cache needs to be built and loaded into window.$templateCache
 * via a separate mechanism.
 *
 * @publicApi
 */
class CachedResourceLoader extends _angular_compiler__WEBPACK_IMPORTED_MODULE_0__.ResourceLoader {
    constructor() {
        super();
        this._cache = _angular_core__WEBPACK_IMPORTED_MODULE_1__["ɵglobal"].$templateCache;
        if (this._cache == null) {
            throw new Error('CachedResourceLoader: Template cache was not found in $templateCache.');
        }
    }
    get(url) {
        if (this._cache.hasOwnProperty(url)) {
            return Promise.resolve(this._cache[url]);
        }
        else {
            return Promise.reject('CachedResourceLoader: Did not find cached template for ' + url);
        }
    }
}

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
/**
 * @publicApi
 */
const VERSION = new _angular_core__WEBPACK_IMPORTED_MODULE_1__.Version('12.1.5');

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
/**
 * @publicApi
 */
const RESOURCE_CACHE_PROVIDER = [{ provide: _angular_compiler__WEBPACK_IMPORTED_MODULE_0__.ResourceLoader, useClass: CachedResourceLoader, deps: [] }];
/**
 * @publicApi
 */
const platformBrowserDynamic = (0,_angular_core__WEBPACK_IMPORTED_MODULE_1__.createPlatformFactory)(platformCoreDynamic, 'browserDynamic', INTERNAL_BROWSER_DYNAMIC_PLATFORM_PROVIDERS);

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
// This file only reexports content of the `src` folder. Keep it that way.

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */

/**
 * Generated bundle index. Do not edit.
 */



//# sourceMappingURL=platform-browser-dynamic.js.map

/***/ }),

/***/ 9075:
/*!******************************************************************************************!*\
  !*** ./node_modules/@angular/platform-browser/__ivy_ngcc__/fesm2015/platform-browser.js ***!
  \******************************************************************************************/
/***/ ((__unused_webpack_module, __webpack_exports__, __webpack_require__) => {

"use strict";
__webpack_require__.r(__webpack_exports__);
/* harmony export */ __webpack_require__.d(__webpack_exports__, {
/* harmony export */   "ɵgetDOM": () => (/* reexport safe */ _angular_common__WEBPACK_IMPORTED_MODULE_0__["ɵgetDOM"]),
/* harmony export */   "BrowserModule": () => (/* binding */ BrowserModule),
/* harmony export */   "BrowserTransferStateModule": () => (/* binding */ BrowserTransferStateModule),
/* harmony export */   "By": () => (/* binding */ By),
/* harmony export */   "DomSanitizer": () => (/* binding */ DomSanitizer),
/* harmony export */   "EVENT_MANAGER_PLUGINS": () => (/* binding */ EVENT_MANAGER_PLUGINS),
/* harmony export */   "EventManager": () => (/* binding */ EventManager),
/* harmony export */   "HAMMER_GESTURE_CONFIG": () => (/* binding */ HAMMER_GESTURE_CONFIG),
/* harmony export */   "HAMMER_LOADER": () => (/* binding */ HAMMER_LOADER),
/* harmony export */   "HammerGestureConfig": () => (/* binding */ HammerGestureConfig),
/* harmony export */   "HammerModule": () => (/* binding */ HammerModule),
/* harmony export */   "Meta": () => (/* binding */ Meta),
/* harmony export */   "Title": () => (/* binding */ Title),
/* harmony export */   "TransferState": () => (/* binding */ TransferState),
/* harmony export */   "VERSION": () => (/* binding */ VERSION),
/* harmony export */   "disableDebugTools": () => (/* binding */ disableDebugTools),
/* harmony export */   "enableDebugTools": () => (/* binding */ enableDebugTools),
/* harmony export */   "makeStateKey": () => (/* binding */ makeStateKey),
/* harmony export */   "platformBrowser": () => (/* binding */ platformBrowser),
/* harmony export */   "ɵBROWSER_SANITIZATION_PROVIDERS": () => (/* binding */ BROWSER_SANITIZATION_PROVIDERS),
/* harmony export */   "ɵBROWSER_SANITIZATION_PROVIDERS__POST_R3__": () => (/* binding */ BROWSER_SANITIZATION_PROVIDERS__POST_R3__),
/* harmony export */   "ɵBrowserDomAdapter": () => (/* binding */ BrowserDomAdapter),
/* harmony export */   "ɵBrowserGetTestability": () => (/* binding */ BrowserGetTestability),
/* harmony export */   "ɵDomEventsPlugin": () => (/* binding */ DomEventsPlugin),
/* harmony export */   "ɵDomRendererFactory2": () => (/* binding */ DomRendererFactory2),
/* harmony export */   "ɵDomSanitizerImpl": () => (/* binding */ DomSanitizerImpl),
/* harmony export */   "ɵDomSharedStylesHost": () => (/* binding */ DomSharedStylesHost),
/* harmony export */   "ɵELEMENT_PROBE_PROVIDERS": () => (/* binding */ ELEMENT_PROBE_PROVIDERS),
/* harmony export */   "ɵELEMENT_PROBE_PROVIDERS__POST_R3__": () => (/* binding */ ELEMENT_PROBE_PROVIDERS__POST_R3__),
/* harmony export */   "ɵHAMMER_PROVIDERS__POST_R3__": () => (/* binding */ HAMMER_PROVIDERS__POST_R3__),
/* harmony export */   "ɵHammerGesturesPlugin": () => (/* binding */ HammerGesturesPlugin),
/* harmony export */   "ɵINTERNAL_BROWSER_PLATFORM_PROVIDERS": () => (/* binding */ INTERNAL_BROWSER_PLATFORM_PROVIDERS),
/* harmony export */   "ɵKeyEventsPlugin": () => (/* binding */ KeyEventsPlugin),
/* harmony export */   "ɵNAMESPACE_URIS": () => (/* binding */ NAMESPACE_URIS),
/* harmony export */   "ɵSharedStylesHost": () => (/* binding */ SharedStylesHost),
/* harmony export */   "ɵTRANSITION_ID": () => (/* binding */ TRANSITION_ID),
/* harmony export */   "ɵangular_packages_platform_browser_platform_browser_a": () => (/* binding */ errorHandler),
/* harmony export */   "ɵangular_packages_platform_browser_platform_browser_b": () => (/* binding */ _document),
/* harmony export */   "ɵangular_packages_platform_browser_platform_browser_c": () => (/* binding */ BROWSER_MODULE_PROVIDERS),
/* harmony export */   "ɵangular_packages_platform_browser_platform_browser_d": () => (/* binding */ createMeta),
/* harmony export */   "ɵangular_packages_platform_browser_platform_browser_e": () => (/* binding */ createTitle),
/* harmony export */   "ɵangular_packages_platform_browser_platform_browser_f": () => (/* binding */ initTransferState),
/* harmony export */   "ɵangular_packages_platform_browser_platform_browser_g": () => (/* binding */ EventManagerPlugin),
/* harmony export */   "ɵangular_packages_platform_browser_platform_browser_h": () => (/* binding */ HAMMER_PROVIDERS__PRE_R3__),
/* harmony export */   "ɵangular_packages_platform_browser_platform_browser_i": () => (/* binding */ HAMMER_PROVIDERS),
/* harmony export */   "ɵangular_packages_platform_browser_platform_browser_j": () => (/* binding */ domSanitizerImplFactory),
/* harmony export */   "ɵangular_packages_platform_browser_platform_browser_k": () => (/* binding */ appInitializerFactory),
/* harmony export */   "ɵangular_packages_platform_browser_platform_browser_l": () => (/* binding */ SERVER_TRANSITION_PROVIDERS),
/* harmony export */   "ɵangular_packages_platform_browser_platform_browser_m": () => (/* binding */ _createNgProbeR2),
/* harmony export */   "ɵangular_packages_platform_browser_platform_browser_n": () => (/* binding */ ELEMENT_PROBE_PROVIDERS__PRE_R3__),
/* harmony export */   "ɵangular_packages_platform_browser_platform_browser_o": () => (/* binding */ BrowserXhr),
/* harmony export */   "ɵangular_packages_platform_browser_platform_browser_p": () => (/* binding */ GenericBrowserDomAdapter),
/* harmony export */   "ɵescapeHtml": () => (/* binding */ escapeHtml),
/* harmony export */   "ɵflattenStyles": () => (/* binding */ flattenStyles),
/* harmony export */   "ɵinitDomAdapter": () => (/* binding */ initDomAdapter),
/* harmony export */   "ɵshimContentAttribute": () => (/* binding */ shimContentAttribute),
/* harmony export */   "ɵshimHostAttribute": () => (/* binding */ shimHostAttribute)
/* harmony export */ });
/* harmony import */ var _angular_common__WEBPACK_IMPORTED_MODULE_0__ = __webpack_require__(/*! @angular/common */ 8583);
/* harmony import */ var _angular_core__WEBPACK_IMPORTED_MODULE_1__ = __webpack_require__(/*! @angular/core */ 7716);
/**
 * @license Angular v12.1.5
 * (c) 2010-2021 Google LLC. https://angular.io/
 * License: MIT
 */






/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
/**
 * Provides DOM operations in any browser environment.
 *
 * @security Tread carefully! Interacting with the DOM directly is dangerous and
 * can introduce XSS risks.
 */
class GenericBrowserDomAdapter extends _angular_common__WEBPACK_IMPORTED_MODULE_0__["ɵDomAdapter"] {
    constructor() {
        super(...arguments);
        this.supportsDOMEvents = true;
    }
}

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
/**
 * A `DomAdapter` powered by full browser DOM APIs.
 *
 * @security Tread carefully! Interacting with the DOM directly is dangerous and
 * can introduce XSS risks.
 */
/* tslint:disable:requireParameterType no-console */
class BrowserDomAdapter extends GenericBrowserDomAdapter {
    static makeCurrent() {
        (0,_angular_common__WEBPACK_IMPORTED_MODULE_0__["ɵsetRootDomAdapter"])(new BrowserDomAdapter());
    }
    onAndCancel(el, evt, listener) {
        el.addEventListener(evt, listener, false);
        // Needed to follow Dart's subscription semantic, until fix of
        // https://code.google.com/p/dart/issues/detail?id=17406
        return () => {
            el.removeEventListener(evt, listener, false);
        };
    }
    dispatchEvent(el, evt) {
        el.dispatchEvent(evt);
    }
    remove(node) {
        if (node.parentNode) {
            node.parentNode.removeChild(node);
        }
    }
    createElement(tagName, doc) {
        doc = doc || this.getDefaultDocument();
        return doc.createElement(tagName);
    }
    createHtmlDocument() {
        return document.implementation.createHTMLDocument('fakeTitle');
    }
    getDefaultDocument() {
        return document;
    }
    isElementNode(node) {
        return node.nodeType === Node.ELEMENT_NODE;
    }
    isShadowRoot(node) {
        return node instanceof DocumentFragment;
    }
    /** @deprecated No longer being used in Ivy code. To be removed in version 14. */
    getGlobalEventTarget(doc, target) {
        if (target === 'window') {
            return window;
        }
        if (target === 'document') {
            return doc;
        }
        if (target === 'body') {
            return doc.body;
        }
        return null;
    }
    getBaseHref(doc) {
        const href = getBaseElementHref();
        return href == null ? null : relativePath(href);
    }
    resetBaseElement() {
        baseElement = null;
    }
    getUserAgent() {
        return window.navigator.userAgent;
    }
    getCookie(name) {
        return (0,_angular_common__WEBPACK_IMPORTED_MODULE_0__["ɵparseCookieValue"])(document.cookie, name);
    }
}
let baseElement = null;
function getBaseElementHref() {
    baseElement = baseElement || document.querySelector('base');
    return baseElement ? baseElement.getAttribute('href') : null;
}
// based on urlUtils.js in AngularJS 1
let urlParsingNode;
function relativePath(url) {
    urlParsingNode = urlParsingNode || document.createElement('a');
    urlParsingNode.setAttribute('href', url);
    const pathName = urlParsingNode.pathname;
    return pathName.charAt(0) === '/' ? pathName : `/${pathName}`;
}

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
/**
 * An id that identifies a particular application being bootstrapped, that should
 * match across the client/server boundary.
 */
const TRANSITION_ID = new _angular_core__WEBPACK_IMPORTED_MODULE_1__.InjectionToken('TRANSITION_ID');
function appInitializerFactory(transitionId, document, injector) {
    return () => {
        // Wait for all application initializers to be completed before removing the styles set by
        // the server.
        injector.get(_angular_core__WEBPACK_IMPORTED_MODULE_1__.ApplicationInitStatus).donePromise.then(() => {
            const dom = (0,_angular_common__WEBPACK_IMPORTED_MODULE_0__["ɵgetDOM"])();
            const styles = Array.prototype.slice.apply(document.querySelectorAll(`style[ng-transition]`));
            styles.filter(el => el.getAttribute('ng-transition') === transitionId)
                .forEach(el => dom.remove(el));
        });
    };
}
const SERVER_TRANSITION_PROVIDERS = [
    {
        provide: _angular_core__WEBPACK_IMPORTED_MODULE_1__.APP_INITIALIZER,
        useFactory: appInitializerFactory,
        deps: [TRANSITION_ID, _angular_common__WEBPACK_IMPORTED_MODULE_0__.DOCUMENT, _angular_core__WEBPACK_IMPORTED_MODULE_1__.Injector],
        multi: true
    },
];

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
class BrowserGetTestability {
    static init() {
        (0,_angular_core__WEBPACK_IMPORTED_MODULE_1__.setTestabilityGetter)(new BrowserGetTestability());
    }
    addToWindow(registry) {
        _angular_core__WEBPACK_IMPORTED_MODULE_1__["ɵglobal"].getAngularTestability = (elem, findInAncestors = true) => {
            const testability = registry.findTestabilityInTree(elem, findInAncestors);
            if (testability == null) {
                throw new Error('Could not find testability for element.');
            }
            return testability;
        };
        _angular_core__WEBPACK_IMPORTED_MODULE_1__["ɵglobal"].getAllAngularTestabilities = () => registry.getAllTestabilities();
        _angular_core__WEBPACK_IMPORTED_MODULE_1__["ɵglobal"].getAllAngularRootElements = () => registry.getAllRootElements();
        const whenAllStable = (callback /** TODO #9100 */) => {
            const testabilities = _angular_core__WEBPACK_IMPORTED_MODULE_1__["ɵglobal"].getAllAngularTestabilities();
            let count = testabilities.length;
            let didWork = false;
            const decrement = function (didWork_ /** TODO #9100 */) {
                didWork = didWork || didWork_;
                count--;
                if (count == 0) {
                    callback(didWork);
                }
            };
            testabilities.forEach(function (testability /** TODO #9100 */) {
                testability.whenStable(decrement);
            });
        };
        if (!_angular_core__WEBPACK_IMPORTED_MODULE_1__["ɵglobal"].frameworkStabilizers) {
            _angular_core__WEBPACK_IMPORTED_MODULE_1__["ɵglobal"].frameworkStabilizers = [];
        }
        _angular_core__WEBPACK_IMPORTED_MODULE_1__["ɵglobal"].frameworkStabilizers.push(whenAllStable);
    }
    findTestabilityInTree(registry, elem, findInAncestors) {
        if (elem == null) {
            return null;
        }
        const t = registry.getTestability(elem);
        if (t != null) {
            return t;
        }
        else if (!findInAncestors) {
            return null;
        }
        if ((0,_angular_common__WEBPACK_IMPORTED_MODULE_0__["ɵgetDOM"])().isShadowRoot(elem)) {
            return this.findTestabilityInTree(registry, elem.host, true);
        }
        return this.findTestabilityInTree(registry, elem.parentElement, true);
    }
}

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
/**
 * A factory for `HttpXhrBackend` that uses the `XMLHttpRequest` browser API.
 */
class BrowserXhr {
    build() {
        return new XMLHttpRequest();
    }
}
BrowserXhr.ɵfac = function BrowserXhr_Factory(t) { return new (t || BrowserXhr)(); };
BrowserXhr.ɵprov = /*@__PURE__*/ _angular_core__WEBPACK_IMPORTED_MODULE_1__["ɵɵdefineInjectable"]({ token: BrowserXhr, factory: BrowserXhr.ɵfac });
(function () { (typeof ngDevMode === "undefined" || ngDevMode) && _angular_core__WEBPACK_IMPORTED_MODULE_1__["ɵsetClassMetadata"](BrowserXhr, [{
        type: _angular_core__WEBPACK_IMPORTED_MODULE_1__.Injectable
    }], null, null); })();

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
const CAMEL_CASE_REGEXP = /([A-Z])/g;
const DASH_CASE_REGEXP = /-([a-z])/g;
function camelCaseToDashCase(input) {
    return input.replace(CAMEL_CASE_REGEXP, (...m) => '-' + m[1].toLowerCase());
}
function dashCaseToCamelCase(input) {
    return input.replace(DASH_CASE_REGEXP, (...m) => m[1].toUpperCase());
}
/**
 * Exports the value under a given `name` in the global property `ng`. For example `ng.probe` if
 * `name` is `'probe'`.
 * @param name Name under which it will be exported. Keep in mind this will be a property of the
 * global `ng` object.
 * @param value The value to export.
 */
function exportNgVar(name, value) {
    if (typeof COMPILED === 'undefined' || !COMPILED) {
        // Note: we can't export `ng` when using closure enhanced optimization as:
        // - closure declares globals itself for minified names, which sometimes clobber our `ng` global
        // - we can't declare a closure extern as the namespace `ng` is already used within Google
        //   for typings for angularJS (via `goog.provide('ng....')`).
        const ng = _angular_core__WEBPACK_IMPORTED_MODULE_1__["ɵglobal"].ng = _angular_core__WEBPACK_IMPORTED_MODULE_1__["ɵglobal"].ng || {};
        ng[name] = value;
    }
}

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
const ɵ0 = () => ({
    'ApplicationRef': _angular_core__WEBPACK_IMPORTED_MODULE_1__.ApplicationRef,
    'NgZone': _angular_core__WEBPACK_IMPORTED_MODULE_1__.NgZone,
});
const CORE_TOKENS = (ɵ0)();
const INSPECT_GLOBAL_NAME = 'probe';
const CORE_TOKENS_GLOBAL_NAME = 'coreTokens';
/**
 * Returns a {@link DebugElement} for the given native DOM element, or
 * null if the given native element does not have an Angular view associated
 * with it.
 */
function inspectNativeElementR2(element) {
    return (0,_angular_core__WEBPACK_IMPORTED_MODULE_1__["ɵgetDebugNodeR2"])(element);
}
function _createNgProbeR2(coreTokens) {
    exportNgVar(INSPECT_GLOBAL_NAME, inspectNativeElementR2);
    exportNgVar(CORE_TOKENS_GLOBAL_NAME, Object.assign(Object.assign({}, CORE_TOKENS), _ngProbeTokensToMap(coreTokens || [])));
    return () => inspectNativeElementR2;
}
function _ngProbeTokensToMap(tokens) {
    return tokens.reduce((prev, t) => (prev[t.name] = t.token, prev), {});
}
/**
 * In Ivy, we don't support NgProbe because we have our own set of testing utilities
 * with more robust functionality.
 *
 * We shouldn't bring in NgProbe because it prevents DebugNode and friends from
 * tree-shaking properly.
 */
const ELEMENT_PROBE_PROVIDERS__POST_R3__ = [];
/**
 * Providers which support debugging Angular applications (e.g. via `ng.probe`).
 */
const ELEMENT_PROBE_PROVIDERS__PRE_R3__ = [
    {
        provide: _angular_core__WEBPACK_IMPORTED_MODULE_1__.APP_INITIALIZER,
        useFactory: _createNgProbeR2,
        deps: [
            [_angular_core__WEBPACK_IMPORTED_MODULE_1__.NgProbeToken, new _angular_core__WEBPACK_IMPORTED_MODULE_1__.Optional()],
        ],
        multi: true,
    },
];
const ELEMENT_PROBE_PROVIDERS = ELEMENT_PROBE_PROVIDERS__POST_R3__;

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
/**
 * The injection token for the event-manager plug-in service.
 *
 * @publicApi
 */
const EVENT_MANAGER_PLUGINS = new _angular_core__WEBPACK_IMPORTED_MODULE_1__.InjectionToken('EventManagerPlugins');
/**
 * An injectable service that provides event management for Angular
 * through a browser plug-in.
 *
 * @publicApi
 */
class EventManager {
    /**
     * Initializes an instance of the event-manager service.
     */
    constructor(plugins, _zone) {
        this._zone = _zone;
        this._eventNameToPlugin = new Map();
        plugins.forEach(p => p.manager = this);
        this._plugins = plugins.slice().reverse();
    }
    /**
     * Registers a handler for a specific element and event.
     *
     * @param element The HTML element to receive event notifications.
     * @param eventName The name of the event to listen for.
     * @param handler A function to call when the notification occurs. Receives the
     * event object as an argument.
     * @returns  A callback function that can be used to remove the handler.
     */
    addEventListener(element, eventName, handler) {
        const plugin = this._findPluginFor(eventName);
        return plugin.addEventListener(element, eventName, handler);
    }
    /**
     * Registers a global handler for an event in a target view.
     *
     * @param target A target for global event notifications. One of "window", "document", or "body".
     * @param eventName The name of the event to listen for.
     * @param handler A function to call when the notification occurs. Receives the
     * event object as an argument.
     * @returns A callback function that can be used to remove the handler.
     * @deprecated No longer being used in Ivy code. To be removed in version 14.
     */
    addGlobalEventListener(target, eventName, handler) {
        const plugin = this._findPluginFor(eventName);
        return plugin.addGlobalEventListener(target, eventName, handler);
    }
    /**
     * Retrieves the compilation zone in which event listeners are registered.
     */
    getZone() {
        return this._zone;
    }
    /** @internal */
    _findPluginFor(eventName) {
        const plugin = this._eventNameToPlugin.get(eventName);
        if (plugin) {
            return plugin;
        }
        const plugins = this._plugins;
        for (let i = 0; i < plugins.length; i++) {
            const plugin = plugins[i];
            if (plugin.supports(eventName)) {
                this._eventNameToPlugin.set(eventName, plugin);
                return plugin;
            }
        }
        throw new Error(`No event manager plugin found for event ${eventName}`);
    }
}
EventManager.ɵfac = function EventManager_Factory(t) { return new (t || EventManager)(_angular_core__WEBPACK_IMPORTED_MODULE_1__["ɵɵinject"](EVENT_MANAGER_PLUGINS), _angular_core__WEBPACK_IMPORTED_MODULE_1__["ɵɵinject"](_angular_core__WEBPACK_IMPORTED_MODULE_1__.NgZone)); };
EventManager.ɵprov = /*@__PURE__*/ _angular_core__WEBPACK_IMPORTED_MODULE_1__["ɵɵdefineInjectable"]({ token: EventManager, factory: EventManager.ɵfac });
EventManager.ctorParameters = () => [
    { type: Array, decorators: [{ type: _angular_core__WEBPACK_IMPORTED_MODULE_1__.Inject, args: [EVENT_MANAGER_PLUGINS,] }] },
    { type: _angular_core__WEBPACK_IMPORTED_MODULE_1__.NgZone }
];
(function () { (typeof ngDevMode === "undefined" || ngDevMode) && _angular_core__WEBPACK_IMPORTED_MODULE_1__["ɵsetClassMetadata"](EventManager, [{
        type: _angular_core__WEBPACK_IMPORTED_MODULE_1__.Injectable
    }], function () { return [{ type: Array, decorators: [{
                type: _angular_core__WEBPACK_IMPORTED_MODULE_1__.Inject,
                args: [EVENT_MANAGER_PLUGINS]
            }] }, { type: _angular_core__WEBPACK_IMPORTED_MODULE_1__.NgZone }]; }, null); })();
class EventManagerPlugin {
    constructor(_doc) {
        this._doc = _doc;
    }
    addGlobalEventListener(element, eventName, handler) {
        const target = (0,_angular_common__WEBPACK_IMPORTED_MODULE_0__["ɵgetDOM"])().getGlobalEventTarget(this._doc, element);
        if (!target) {
            throw new Error(`Unsupported event target ${target} for event ${eventName}`);
        }
        return this.addEventListener(target, eventName, handler);
    }
}

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
class SharedStylesHost {
    constructor() {
        /** @internal */
        this._stylesSet = new Set();
    }
    addStyles(styles) {
        const additions = new Set();
        styles.forEach(style => {
            if (!this._stylesSet.has(style)) {
                this._stylesSet.add(style);
                additions.add(style);
            }
        });
        this.onStylesAdded(additions);
    }
    onStylesAdded(additions) { }
    getAllStyles() {
        return Array.from(this._stylesSet);
    }
}
SharedStylesHost.ɵfac = function SharedStylesHost_Factory(t) { return new (t || SharedStylesHost)(); };
SharedStylesHost.ɵprov = /*@__PURE__*/ _angular_core__WEBPACK_IMPORTED_MODULE_1__["ɵɵdefineInjectable"]({ token: SharedStylesHost, factory: SharedStylesHost.ɵfac });
(function () { (typeof ngDevMode === "undefined" || ngDevMode) && _angular_core__WEBPACK_IMPORTED_MODULE_1__["ɵsetClassMetadata"](SharedStylesHost, [{
        type: _angular_core__WEBPACK_IMPORTED_MODULE_1__.Injectable
    }], function () { return []; }, null); })();
class DomSharedStylesHost extends SharedStylesHost {
    constructor(_doc) {
        super();
        this._doc = _doc;
        // Maps all registered host nodes to a list of style nodes that have been added to the host node.
        this._hostNodes = new Map();
        this._hostNodes.set(_doc.head, []);
    }
    _addStylesToHost(styles, host, styleNodes) {
        styles.forEach((style) => {
            const styleEl = this._doc.createElement('style');
            styleEl.textContent = style;
            styleNodes.push(host.appendChild(styleEl));
        });
    }
    addHost(hostNode) {
        const styleNodes = [];
        this._addStylesToHost(this._stylesSet, hostNode, styleNodes);
        this._hostNodes.set(hostNode, styleNodes);
    }
    removeHost(hostNode) {
        const styleNodes = this._hostNodes.get(hostNode);
        if (styleNodes) {
            styleNodes.forEach(removeStyle);
        }
        this._hostNodes.delete(hostNode);
    }
    onStylesAdded(additions) {
        this._hostNodes.forEach((styleNodes, hostNode) => {
            this._addStylesToHost(additions, hostNode, styleNodes);
        });
    }
    ngOnDestroy() {
        this._hostNodes.forEach(styleNodes => styleNodes.forEach(removeStyle));
    }
}
DomSharedStylesHost.ɵfac = function DomSharedStylesHost_Factory(t) { return new (t || DomSharedStylesHost)(_angular_core__WEBPACK_IMPORTED_MODULE_1__["ɵɵinject"](_angular_common__WEBPACK_IMPORTED_MODULE_0__.DOCUMENT)); };
DomSharedStylesHost.ɵprov = /*@__PURE__*/ _angular_core__WEBPACK_IMPORTED_MODULE_1__["ɵɵdefineInjectable"]({ token: DomSharedStylesHost, factory: DomSharedStylesHost.ɵfac });
DomSharedStylesHost.ctorParameters = () => [
    { type: undefined, decorators: [{ type: _angular_core__WEBPACK_IMPORTED_MODULE_1__.Inject, args: [_angular_common__WEBPACK_IMPORTED_MODULE_0__.DOCUMENT,] }] }
];
(function () { (typeof ngDevMode === "undefined" || ngDevMode) && _angular_core__WEBPACK_IMPORTED_MODULE_1__["ɵsetClassMetadata"](DomSharedStylesHost, [{
        type: _angular_core__WEBPACK_IMPORTED_MODULE_1__.Injectable
    }], function () { return [{ type: undefined, decorators: [{
                type: _angular_core__WEBPACK_IMPORTED_MODULE_1__.Inject,
                args: [_angular_common__WEBPACK_IMPORTED_MODULE_0__.DOCUMENT]
            }] }]; }, null); })();
function removeStyle(styleNode) {
    (0,_angular_common__WEBPACK_IMPORTED_MODULE_0__["ɵgetDOM"])().remove(styleNode);
}

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
const NAMESPACE_URIS = {
    'svg': 'http://www.w3.org/2000/svg',
    'xhtml': 'http://www.w3.org/1999/xhtml',
    'xlink': 'http://www.w3.org/1999/xlink',
    'xml': 'http://www.w3.org/XML/1998/namespace',
    'xmlns': 'http://www.w3.org/2000/xmlns/',
};
const COMPONENT_REGEX = /%COMP%/g;
const NG_DEV_MODE = typeof ngDevMode === 'undefined' || !!ngDevMode;
const COMPONENT_VARIABLE = '%COMP%';
const HOST_ATTR = `_nghost-${COMPONENT_VARIABLE}`;
const CONTENT_ATTR = `_ngcontent-${COMPONENT_VARIABLE}`;
function shimContentAttribute(componentShortId) {
    return CONTENT_ATTR.replace(COMPONENT_REGEX, componentShortId);
}
function shimHostAttribute(componentShortId) {
    return HOST_ATTR.replace(COMPONENT_REGEX, componentShortId);
}
function flattenStyles(compId, styles, target) {
    for (let i = 0; i < styles.length; i++) {
        let style = styles[i];
        if (Array.isArray(style)) {
            flattenStyles(compId, style, target);
        }
        else {
            style = style.replace(COMPONENT_REGEX, compId);
            target.push(style);
        }
    }
    return target;
}
function decoratePreventDefault(eventHandler) {
    // `DebugNode.triggerEventHandler` needs to know if the listener was created with
    // decoratePreventDefault or is a listener added outside the Angular context so it can handle the
    // two differently. In the first case, the special '__ngUnwrap__' token is passed to the unwrap
    // the listener (see below).
    return (event) => {
        // Ivy uses '__ngUnwrap__' as a special token that allows us to unwrap the function
        // so that it can be invoked programmatically by `DebugNode.triggerEventHandler`. The debug_node
        // can inspect the listener toString contents for the existence of this special token. Because
        // the token is a string literal, it is ensured to not be modified by compiled code.
        if (event === '__ngUnwrap__') {
            return eventHandler;
        }
        const allowDefaultBehavior = eventHandler(event);
        if (allowDefaultBehavior === false) {
            // TODO(tbosch): move preventDefault into event plugins...
            event.preventDefault();
            event.returnValue = false;
        }
        return undefined;
    };
}
let hasLoggedNativeEncapsulationWarning = false;
class DomRendererFactory2 {
    constructor(eventManager, sharedStylesHost, appId) {
        this.eventManager = eventManager;
        this.sharedStylesHost = sharedStylesHost;
        this.appId = appId;
        this.rendererByCompId = new Map();
        this.defaultRenderer = new DefaultDomRenderer2(eventManager);
    }
    createRenderer(element, type) {
        if (!element || !type) {
            return this.defaultRenderer;
        }
        switch (type.encapsulation) {
            case _angular_core__WEBPACK_IMPORTED_MODULE_1__.ViewEncapsulation.Emulated: {
                let renderer = this.rendererByCompId.get(type.id);
                if (!renderer) {
                    renderer = new EmulatedEncapsulationDomRenderer2(this.eventManager, this.sharedStylesHost, type, this.appId);
                    this.rendererByCompId.set(type.id, renderer);
                }
                renderer.applyToHost(element);
                return renderer;
            }
            // @ts-ignore TODO: Remove as part of FW-2290. TS complains about us dealing with an enum
            // value that is not known (but previously was the value for ViewEncapsulation.Native)
            case 1:
            case _angular_core__WEBPACK_IMPORTED_MODULE_1__.ViewEncapsulation.ShadowDom:
                // TODO(FW-2290): remove the `case 1:` fallback logic and the warning in v12.
                if ((typeof ngDevMode === 'undefined' || ngDevMode) &&
                    // @ts-ignore TODO: Remove as part of FW-2290. TS complains about us dealing with an
                    // enum value that is not known (but previously was the value for
                    // ViewEncapsulation.Native)
                    !hasLoggedNativeEncapsulationWarning && type.encapsulation === 1) {
                    hasLoggedNativeEncapsulationWarning = true;
                    console.warn('ViewEncapsulation.Native is no longer supported. Falling back to ViewEncapsulation.ShadowDom. The fallback will be removed in v12.');
                }
                return new ShadowDomRenderer(this.eventManager, this.sharedStylesHost, element, type);
            default: {
                if (!this.rendererByCompId.has(type.id)) {
                    const styles = flattenStyles(type.id, type.styles, []);
                    this.sharedStylesHost.addStyles(styles);
                    this.rendererByCompId.set(type.id, this.defaultRenderer);
                }
                return this.defaultRenderer;
            }
        }
    }
    begin() { }
    end() { }
}
DomRendererFactory2.ɵfac = function DomRendererFactory2_Factory(t) { return new (t || DomRendererFactory2)(_angular_core__WEBPACK_IMPORTED_MODULE_1__["ɵɵinject"](EventManager), _angular_core__WEBPACK_IMPORTED_MODULE_1__["ɵɵinject"](DomSharedStylesHost), _angular_core__WEBPACK_IMPORTED_MODULE_1__["ɵɵinject"](_angular_core__WEBPACK_IMPORTED_MODULE_1__.APP_ID)); };
DomRendererFactory2.ɵprov = /*@__PURE__*/ _angular_core__WEBPACK_IMPORTED_MODULE_1__["ɵɵdefineInjectable"]({ token: DomRendererFactory2, factory: DomRendererFactory2.ɵfac });
DomRendererFactory2.ctorParameters = () => [
    { type: EventManager },
    { type: DomSharedStylesHost },
    { type: String, decorators: [{ type: _angular_core__WEBPACK_IMPORTED_MODULE_1__.Inject, args: [_angular_core__WEBPACK_IMPORTED_MODULE_1__.APP_ID,] }] }
];
(function () { (typeof ngDevMode === "undefined" || ngDevMode) && _angular_core__WEBPACK_IMPORTED_MODULE_1__["ɵsetClassMetadata"](DomRendererFactory2, [{
        type: _angular_core__WEBPACK_IMPORTED_MODULE_1__.Injectable
    }], function () { return [{ type: EventManager }, { type: DomSharedStylesHost }, { type: String, decorators: [{
                type: _angular_core__WEBPACK_IMPORTED_MODULE_1__.Inject,
                args: [_angular_core__WEBPACK_IMPORTED_MODULE_1__.APP_ID]
            }] }]; }, null); })();
class DefaultDomRenderer2 {
    constructor(eventManager) {
        this.eventManager = eventManager;
        this.data = Object.create(null);
    }
    destroy() { }
    createElement(name, namespace) {
        if (namespace) {
            // In cases where Ivy (not ViewEngine) is giving us the actual namespace, the look up by key
            // will result in undefined, so we just return the namespace here.
            return document.createElementNS(NAMESPACE_URIS[namespace] || namespace, name);
        }
        return document.createElement(name);
    }
    createComment(value) {
        return document.createComment(value);
    }
    createText(value) {
        return document.createTextNode(value);
    }
    appendChild(parent, newChild) {
        parent.appendChild(newChild);
    }
    insertBefore(parent, newChild, refChild) {
        if (parent) {
            parent.insertBefore(newChild, refChild);
        }
    }
    removeChild(parent, oldChild) {
        if (parent) {
            parent.removeChild(oldChild);
        }
    }
    selectRootElement(selectorOrNode, preserveContent) {
        let el = typeof selectorOrNode === 'string' ? document.querySelector(selectorOrNode) :
            selectorOrNode;
        if (!el) {
            throw new Error(`The selector "${selectorOrNode}" did not match any elements`);
        }
        if (!preserveContent) {
            el.textContent = '';
        }
        return el;
    }
    parentNode(node) {
        return node.parentNode;
    }
    nextSibling(node) {
        return node.nextSibling;
    }
    setAttribute(el, name, value, namespace) {
        if (namespace) {
            name = namespace + ':' + name;
            // TODO(FW-811): Ivy may cause issues here because it's passing around
            // full URIs for namespaces, therefore this lookup will fail.
            const namespaceUri = NAMESPACE_URIS[namespace];
            if (namespaceUri) {
                el.setAttributeNS(namespaceUri, name, value);
            }
            else {
                el.setAttribute(name, value);
            }
        }
        else {
            el.setAttribute(name, value);
        }
    }
    removeAttribute(el, name, namespace) {
        if (namespace) {
            // TODO(FW-811): Ivy may cause issues here because it's passing around
            // full URIs for namespaces, therefore this lookup will fail.
            const namespaceUri = NAMESPACE_URIS[namespace];
            if (namespaceUri) {
                el.removeAttributeNS(namespaceUri, name);
            }
            else {
                // TODO(FW-811): Since ivy is passing around full URIs for namespaces
                // this could result in properties like `http://www.w3.org/2000/svg:cx="123"`,
                // which is wrong.
                el.removeAttribute(`${namespace}:${name}`);
            }
        }
        else {
            el.removeAttribute(name);
        }
    }
    addClass(el, name) {
        el.classList.add(name);
    }
    removeClass(el, name) {
        el.classList.remove(name);
    }
    setStyle(el, style, value, flags) {
        if (flags & (_angular_core__WEBPACK_IMPORTED_MODULE_1__.RendererStyleFlags2.DashCase | _angular_core__WEBPACK_IMPORTED_MODULE_1__.RendererStyleFlags2.Important)) {
            el.style.setProperty(style, value, flags & _angular_core__WEBPACK_IMPORTED_MODULE_1__.RendererStyleFlags2.Important ? 'important' : '');
        }
        else {
            el.style[style] = value;
        }
    }
    removeStyle(el, style, flags) {
        if (flags & _angular_core__WEBPACK_IMPORTED_MODULE_1__.RendererStyleFlags2.DashCase) {
            el.style.removeProperty(style);
        }
        else {
            // IE requires '' instead of null
            // see https://github.com/angular/angular/issues/7916
            el.style[style] = '';
        }
    }
    setProperty(el, name, value) {
        NG_DEV_MODE && checkNoSyntheticProp(name, 'property');
        el[name] = value;
    }
    setValue(node, value) {
        node.nodeValue = value;
    }
    listen(target, event, callback) {
        NG_DEV_MODE && checkNoSyntheticProp(event, 'listener');
        if (typeof target === 'string') {
            return this.eventManager.addGlobalEventListener(target, event, decoratePreventDefault(callback));
        }
        return this.eventManager.addEventListener(target, event, decoratePreventDefault(callback));
    }
}
const ɵ0$1 = () => '@'.charCodeAt(0);
const AT_CHARCODE = (ɵ0$1)();
function checkNoSyntheticProp(name, nameKind) {
    if (name.charCodeAt(0) === AT_CHARCODE) {
        throw new Error(`Found the synthetic ${nameKind} ${name}. Please include either "BrowserAnimationsModule" or "NoopAnimationsModule" in your application.`);
    }
}
class EmulatedEncapsulationDomRenderer2 extends DefaultDomRenderer2 {
    constructor(eventManager, sharedStylesHost, component, appId) {
        super(eventManager);
        this.component = component;
        const styles = flattenStyles(appId + '-' + component.id, component.styles, []);
        sharedStylesHost.addStyles(styles);
        this.contentAttr = shimContentAttribute(appId + '-' + component.id);
        this.hostAttr = shimHostAttribute(appId + '-' + component.id);
    }
    applyToHost(element) {
        super.setAttribute(element, this.hostAttr, '');
    }
    createElement(parent, name) {
        const el = super.createElement(parent, name);
        super.setAttribute(el, this.contentAttr, '');
        return el;
    }
}
class ShadowDomRenderer extends DefaultDomRenderer2 {
    constructor(eventManager, sharedStylesHost, hostEl, component) {
        super(eventManager);
        this.sharedStylesHost = sharedStylesHost;
        this.hostEl = hostEl;
        this.shadowRoot = hostEl.attachShadow({ mode: 'open' });
        this.sharedStylesHost.addHost(this.shadowRoot);
        const styles = flattenStyles(component.id, component.styles, []);
        for (let i = 0; i < styles.length; i++) {
            const styleEl = document.createElement('style');
            styleEl.textContent = styles[i];
            this.shadowRoot.appendChild(styleEl);
        }
    }
    nodeOrShadowRoot(node) {
        return node === this.hostEl ? this.shadowRoot : node;
    }
    destroy() {
        this.sharedStylesHost.removeHost(this.shadowRoot);
    }
    appendChild(parent, newChild) {
        return super.appendChild(this.nodeOrShadowRoot(parent), newChild);
    }
    insertBefore(parent, newChild, refChild) {
        return super.insertBefore(this.nodeOrShadowRoot(parent), newChild, refChild);
    }
    removeChild(parent, oldChild) {
        return super.removeChild(this.nodeOrShadowRoot(parent), oldChild);
    }
    parentNode(node) {
        return this.nodeOrShadowRoot(super.parentNode(this.nodeOrShadowRoot(node)));
    }
}

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
class DomEventsPlugin extends EventManagerPlugin {
    constructor(doc) {
        super(doc);
    }
    // This plugin should come last in the list of plugins, because it accepts all
    // events.
    supports(eventName) {
        return true;
    }
    addEventListener(element, eventName, handler) {
        element.addEventListener(eventName, handler, false);
        return () => this.removeEventListener(element, eventName, handler);
    }
    removeEventListener(target, eventName, callback) {
        return target.removeEventListener(eventName, callback);
    }
}
DomEventsPlugin.ɵfac = function DomEventsPlugin_Factory(t) { return new (t || DomEventsPlugin)(_angular_core__WEBPACK_IMPORTED_MODULE_1__["ɵɵinject"](_angular_common__WEBPACK_IMPORTED_MODULE_0__.DOCUMENT)); };
DomEventsPlugin.ɵprov = /*@__PURE__*/ _angular_core__WEBPACK_IMPORTED_MODULE_1__["ɵɵdefineInjectable"]({ token: DomEventsPlugin, factory: DomEventsPlugin.ɵfac });
DomEventsPlugin.ctorParameters = () => [
    { type: undefined, decorators: [{ type: _angular_core__WEBPACK_IMPORTED_MODULE_1__.Inject, args: [_angular_common__WEBPACK_IMPORTED_MODULE_0__.DOCUMENT,] }] }
];
(function () { (typeof ngDevMode === "undefined" || ngDevMode) && _angular_core__WEBPACK_IMPORTED_MODULE_1__["ɵsetClassMetadata"](DomEventsPlugin, [{
        type: _angular_core__WEBPACK_IMPORTED_MODULE_1__.Injectable
    }], function () { return [{ type: undefined, decorators: [{
                type: _angular_core__WEBPACK_IMPORTED_MODULE_1__.Inject,
                args: [_angular_common__WEBPACK_IMPORTED_MODULE_0__.DOCUMENT]
            }] }]; }, null); })();

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
/**
 * Supported HammerJS recognizer event names.
 */
const EVENT_NAMES = {
    // pan
    'pan': true,
    'panstart': true,
    'panmove': true,
    'panend': true,
    'pancancel': true,
    'panleft': true,
    'panright': true,
    'panup': true,
    'pandown': true,
    // pinch
    'pinch': true,
    'pinchstart': true,
    'pinchmove': true,
    'pinchend': true,
    'pinchcancel': true,
    'pinchin': true,
    'pinchout': true,
    // press
    'press': true,
    'pressup': true,
    // rotate
    'rotate': true,
    'rotatestart': true,
    'rotatemove': true,
    'rotateend': true,
    'rotatecancel': true,
    // swipe
    'swipe': true,
    'swipeleft': true,
    'swiperight': true,
    'swipeup': true,
    'swipedown': true,
    // tap
    'tap': true,
    'doubletap': true
};
/**
 * DI token for providing [HammerJS](https://hammerjs.github.io/) support to Angular.
 * @see `HammerGestureConfig`
 *
 * @ngModule HammerModule
 * @publicApi
 */
const HAMMER_GESTURE_CONFIG = new _angular_core__WEBPACK_IMPORTED_MODULE_1__.InjectionToken('HammerGestureConfig');
/**
 * Injection token used to provide a {@link HammerLoader} to Angular.
 *
 * @publicApi
 */
const HAMMER_LOADER = new _angular_core__WEBPACK_IMPORTED_MODULE_1__.InjectionToken('HammerLoader');
/**
 * An injectable [HammerJS Manager](https://hammerjs.github.io/api/#hammermanager)
 * for gesture recognition. Configures specific event recognition.
 * @publicApi
 */
class HammerGestureConfig {
    constructor() {
        /**
         * A set of supported event names for gestures to be used in Angular.
         * Angular supports all built-in recognizers, as listed in
         * [HammerJS documentation](https://hammerjs.github.io/).
         */
        this.events = [];
        /**
         * Maps gesture event names to a set of configuration options
         * that specify overrides to the default values for specific properties.
         *
         * The key is a supported event name to be configured,
         * and the options object contains a set of properties, with override values
         * to be applied to the named recognizer event.
         * For example, to disable recognition of the rotate event, specify
         *  `{"rotate": {"enable": false}}`.
         *
         * Properties that are not present take the HammerJS default values.
         * For information about which properties are supported for which events,
         * and their allowed and default values, see
         * [HammerJS documentation](https://hammerjs.github.io/).
         *
         */
        this.overrides = {};
    }
    /**
     * Creates a [HammerJS Manager](https://hammerjs.github.io/api/#hammermanager)
     * and attaches it to a given HTML element.
     * @param element The element that will recognize gestures.
     * @returns A HammerJS event-manager object.
     */
    buildHammer(element) {
        const mc = new Hammer(element, this.options);
        mc.get('pinch').set({ enable: true });
        mc.get('rotate').set({ enable: true });
        for (const eventName in this.overrides) {
            mc.get(eventName).set(this.overrides[eventName]);
        }
        return mc;
    }
}
HammerGestureConfig.ɵfac = function HammerGestureConfig_Factory(t) { return new (t || HammerGestureConfig)(); };
HammerGestureConfig.ɵprov = /*@__PURE__*/ _angular_core__WEBPACK_IMPORTED_MODULE_1__["ɵɵdefineInjectable"]({ token: HammerGestureConfig, factory: HammerGestureConfig.ɵfac });
(function () { (typeof ngDevMode === "undefined" || ngDevMode) && _angular_core__WEBPACK_IMPORTED_MODULE_1__["ɵsetClassMetadata"](HammerGestureConfig, [{
        type: _angular_core__WEBPACK_IMPORTED_MODULE_1__.Injectable
    }], function () { return []; }, null); })();
/**
 * Event plugin that adds Hammer support to an application.
 *
 * @ngModule HammerModule
 */
class HammerGesturesPlugin extends EventManagerPlugin {
    constructor(doc, _config, console, loader) {
        super(doc);
        this._config = _config;
        this.console = console;
        this.loader = loader;
        this._loaderPromise = null;
    }
    supports(eventName) {
        if (!EVENT_NAMES.hasOwnProperty(eventName.toLowerCase()) && !this.isCustomEvent(eventName)) {
            return false;
        }
        if (!window.Hammer && !this.loader) {
            if (typeof ngDevMode === 'undefined' || ngDevMode) {
                this.console.warn(`The "${eventName}" event cannot be bound because Hammer.JS is not ` +
                    `loaded and no custom loader has been specified.`);
            }
            return false;
        }
        return true;
    }
    addEventListener(element, eventName, handler) {
        const zone = this.manager.getZone();
        eventName = eventName.toLowerCase();
        // If Hammer is not present but a loader is specified, we defer adding the event listener
        // until Hammer is loaded.
        if (!window.Hammer && this.loader) {
            this._loaderPromise = this._loaderPromise || this.loader();
            // This `addEventListener` method returns a function to remove the added listener.
            // Until Hammer is loaded, the returned function needs to *cancel* the registration rather
            // than remove anything.
            let cancelRegistration = false;
            let deregister = () => {
                cancelRegistration = true;
            };
            this._loaderPromise
                .then(() => {
                // If Hammer isn't actually loaded when the custom loader resolves, give up.
                if (!window.Hammer) {
                    if (typeof ngDevMode === 'undefined' || ngDevMode) {
                        this.console.warn(`The custom HAMMER_LOADER completed, but Hammer.JS is not present.`);
                    }
                    deregister = () => { };
                    return;
                }
                if (!cancelRegistration) {
                    // Now that Hammer is loaded and the listener is being loaded for real,
                    // the deregistration function changes from canceling registration to removal.
                    deregister = this.addEventListener(element, eventName, handler);
                }
            })
                .catch(() => {
                if (typeof ngDevMode === 'undefined' || ngDevMode) {
                    this.console.warn(`The "${eventName}" event cannot be bound because the custom ` +
                        `Hammer.JS loader failed.`);
                }
                deregister = () => { };
            });
            // Return a function that *executes* `deregister` (and not `deregister` itself) so that we
            // can change the behavior of `deregister` once the listener is added. Using a closure in
            // this way allows us to avoid any additional data structures to track listener removal.
            return () => {
                deregister();
            };
        }
        return zone.runOutsideAngular(() => {
            // Creating the manager bind events, must be done outside of angular
            const mc = this._config.buildHammer(element);
            const callback = function (eventObj) {
                zone.runGuarded(function () {
                    handler(eventObj);
                });
            };
            mc.on(eventName, callback);
            return () => {
                mc.off(eventName, callback);
                // destroy mc to prevent memory leak
                if (typeof mc.destroy === 'function') {
                    mc.destroy();
                }
            };
        });
    }
    isCustomEvent(eventName) {
        return this._config.events.indexOf(eventName) > -1;
    }
}
HammerGesturesPlugin.ɵfac = function HammerGesturesPlugin_Factory(t) { return new (t || HammerGesturesPlugin)(_angular_core__WEBPACK_IMPORTED_MODULE_1__["ɵɵinject"](_angular_common__WEBPACK_IMPORTED_MODULE_0__.DOCUMENT), _angular_core__WEBPACK_IMPORTED_MODULE_1__["ɵɵinject"](HAMMER_GESTURE_CONFIG), _angular_core__WEBPACK_IMPORTED_MODULE_1__["ɵɵinject"](_angular_core__WEBPACK_IMPORTED_MODULE_1__["ɵConsole"]), _angular_core__WEBPACK_IMPORTED_MODULE_1__["ɵɵinject"](HAMMER_LOADER, 8)); };
HammerGesturesPlugin.ɵprov = /*@__PURE__*/ _angular_core__WEBPACK_IMPORTED_MODULE_1__["ɵɵdefineInjectable"]({ token: HammerGesturesPlugin, factory: HammerGesturesPlugin.ɵfac });
HammerGesturesPlugin.ctorParameters = () => [
    { type: undefined, decorators: [{ type: _angular_core__WEBPACK_IMPORTED_MODULE_1__.Inject, args: [_angular_common__WEBPACK_IMPORTED_MODULE_0__.DOCUMENT,] }] },
    { type: HammerGestureConfig, decorators: [{ type: _angular_core__WEBPACK_IMPORTED_MODULE_1__.Inject, args: [HAMMER_GESTURE_CONFIG,] }] },
    { type: _angular_core__WEBPACK_IMPORTED_MODULE_1__["ɵConsole"] },
    { type: undefined, decorators: [{ type: _angular_core__WEBPACK_IMPORTED_MODULE_1__.Optional }, { type: _angular_core__WEBPACK_IMPORTED_MODULE_1__.Inject, args: [HAMMER_LOADER,] }] }
];
(function () { (typeof ngDevMode === "undefined" || ngDevMode) && _angular_core__WEBPACK_IMPORTED_MODULE_1__["ɵsetClassMetadata"](HammerGesturesPlugin, [{
        type: _angular_core__WEBPACK_IMPORTED_MODULE_1__.Injectable
    }], function () { return [{ type: undefined, decorators: [{
                type: _angular_core__WEBPACK_IMPORTED_MODULE_1__.Inject,
                args: [_angular_common__WEBPACK_IMPORTED_MODULE_0__.DOCUMENT]
            }] }, { type: HammerGestureConfig, decorators: [{
                type: _angular_core__WEBPACK_IMPORTED_MODULE_1__.Inject,
                args: [HAMMER_GESTURE_CONFIG]
            }] }, { type: _angular_core__WEBPACK_IMPORTED_MODULE_1__["ɵConsole"] }, { type: undefined, decorators: [{
                type: _angular_core__WEBPACK_IMPORTED_MODULE_1__.Optional
            }, {
                type: _angular_core__WEBPACK_IMPORTED_MODULE_1__.Inject,
                args: [HAMMER_LOADER]
            }] }]; }, null); })();
/**
 * In Ivy, support for Hammer gestures is optional, so applications must
 * import the `HammerModule` at root to turn on support. This means that
 * Hammer-specific code can be tree-shaken away if not needed.
 */
const HAMMER_PROVIDERS__POST_R3__ = [];
/**
 * In View Engine, support for Hammer gestures is built-in by default.
 */
const HAMMER_PROVIDERS__PRE_R3__ = [
    {
        provide: EVENT_MANAGER_PLUGINS,
        useClass: HammerGesturesPlugin,
        multi: true,
        deps: [_angular_common__WEBPACK_IMPORTED_MODULE_0__.DOCUMENT, HAMMER_GESTURE_CONFIG, _angular_core__WEBPACK_IMPORTED_MODULE_1__["ɵConsole"], [new _angular_core__WEBPACK_IMPORTED_MODULE_1__.Optional(), HAMMER_LOADER]]
    },
    { provide: HAMMER_GESTURE_CONFIG, useClass: HammerGestureConfig, deps: [] },
];
const HAMMER_PROVIDERS = HAMMER_PROVIDERS__POST_R3__;
/**
 * Adds support for HammerJS.
 *
 * Import this module at the root of your application so that Angular can work with
 * HammerJS to detect gesture events.
 *
 * Note that applications still need to include the HammerJS script itself. This module
 * simply sets up the coordination layer between HammerJS and Angular's EventManager.
 *
 * @publicApi
 */
class HammerModule {
}
HammerModule.ɵfac = function HammerModule_Factory(t) { return new (t || HammerModule)(); };
HammerModule.ɵmod = /*@__PURE__*/ _angular_core__WEBPACK_IMPORTED_MODULE_1__["ɵɵdefineNgModule"]({ type: HammerModule });
HammerModule.ɵinj = /*@__PURE__*/ _angular_core__WEBPACK_IMPORTED_MODULE_1__["ɵɵdefineInjector"]({ providers: HAMMER_PROVIDERS__PRE_R3__ });
(function () { (typeof ngDevMode === "undefined" || ngDevMode) && _angular_core__WEBPACK_IMPORTED_MODULE_1__["ɵsetClassMetadata"](HammerModule, [{
        type: _angular_core__WEBPACK_IMPORTED_MODULE_1__.NgModule,
        args: [{ providers: HAMMER_PROVIDERS__PRE_R3__ }]
    }], null, null); })();

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
/**
 * Defines supported modifiers for key events.
 */
const MODIFIER_KEYS = ['alt', 'control', 'meta', 'shift'];
const DOM_KEY_LOCATION_NUMPAD = 3;
// Map to convert some key or keyIdentifier values to what will be returned by getEventKey
const _keyMap = {
    // The following values are here for cross-browser compatibility and to match the W3C standard
    // cf https://www.w3.org/TR/DOM-Level-3-Events-key/
    '\b': 'Backspace',
    '\t': 'Tab',
    '\x7F': 'Delete',
    '\x1B': 'Escape',
    'Del': 'Delete',
    'Esc': 'Escape',
    'Left': 'ArrowLeft',
    'Right': 'ArrowRight',
    'Up': 'ArrowUp',
    'Down': 'ArrowDown',
    'Menu': 'ContextMenu',
    'Scroll': 'ScrollLock',
    'Win': 'OS'
};
// There is a bug in Chrome for numeric keypad keys:
// https://code.google.com/p/chromium/issues/detail?id=155654
// 1, 2, 3 ... are reported as A, B, C ...
const _chromeNumKeyPadMap = {
    'A': '1',
    'B': '2',
    'C': '3',
    'D': '4',
    'E': '5',
    'F': '6',
    'G': '7',
    'H': '8',
    'I': '9',
    'J': '*',
    'K': '+',
    'M': '-',
    'N': '.',
    'O': '/',
    '\x60': '0',
    '\x90': 'NumLock'
};
const ɵ0$2 = (event) => event.altKey, ɵ1 = (event) => event.ctrlKey, ɵ2 = (event) => event.metaKey, ɵ3 = (event) => event.shiftKey;
/**
 * Retrieves modifiers from key-event objects.
 */
const MODIFIER_KEY_GETTERS = {
    'alt': ɵ0$2,
    'control': ɵ1,
    'meta': ɵ2,
    'shift': ɵ3
};
/**
 * @publicApi
 * A browser plug-in that provides support for handling of key events in Angular.
 */
class KeyEventsPlugin extends EventManagerPlugin {
    /**
     * Initializes an instance of the browser plug-in.
     * @param doc The document in which key events will be detected.
     */
    constructor(doc) {
        super(doc);
    }
    /**
     * Reports whether a named key event is supported.
     * @param eventName The event name to query.
     * @return True if the named key event is supported.
     */
    supports(eventName) {
        return KeyEventsPlugin.parseEventName(eventName) != null;
    }
    /**
     * Registers a handler for a specific element and key event.
     * @param element The HTML element to receive event notifications.
     * @param eventName The name of the key event to listen for.
     * @param handler A function to call when the notification occurs. Receives the
     * event object as an argument.
     * @returns The key event that was registered.
     */
    addEventListener(element, eventName, handler) {
        const parsedEvent = KeyEventsPlugin.parseEventName(eventName);
        const outsideHandler = KeyEventsPlugin.eventCallback(parsedEvent['fullKey'], handler, this.manager.getZone());
        return this.manager.getZone().runOutsideAngular(() => {
            return (0,_angular_common__WEBPACK_IMPORTED_MODULE_0__["ɵgetDOM"])().onAndCancel(element, parsedEvent['domEventName'], outsideHandler);
        });
    }
    static parseEventName(eventName) {
        const parts = eventName.toLowerCase().split('.');
        const domEventName = parts.shift();
        if ((parts.length === 0) || !(domEventName === 'keydown' || domEventName === 'keyup')) {
            return null;
        }
        const key = KeyEventsPlugin._normalizeKey(parts.pop());
        let fullKey = '';
        MODIFIER_KEYS.forEach(modifierName => {
            const index = parts.indexOf(modifierName);
            if (index > -1) {
                parts.splice(index, 1);
                fullKey += modifierName + '.';
            }
        });
        fullKey += key;
        if (parts.length != 0 || key.length === 0) {
            // returning null instead of throwing to let another plugin process the event
            return null;
        }
        // NOTE: Please don't rewrite this as so, as it will break JSCompiler property renaming.
        //       The code must remain in the `result['domEventName']` form.
        // return {domEventName, fullKey};
        const result = {};
        result['domEventName'] = domEventName;
        result['fullKey'] = fullKey;
        return result;
    }
    static getEventFullKey(event) {
        let fullKey = '';
        let key = getEventKey(event);
        key = key.toLowerCase();
        if (key === ' ') {
            key = 'space'; // for readability
        }
        else if (key === '.') {
            key = 'dot'; // because '.' is used as a separator in event names
        }
        MODIFIER_KEYS.forEach(modifierName => {
            if (modifierName != key) {
                const modifierGetter = MODIFIER_KEY_GETTERS[modifierName];
                if (modifierGetter(event)) {
                    fullKey += modifierName + '.';
                }
            }
        });
        fullKey += key;
        return fullKey;
    }
    /**
     * Configures a handler callback for a key event.
     * @param fullKey The event name that combines all simultaneous keystrokes.
     * @param handler The function that responds to the key event.
     * @param zone The zone in which the event occurred.
     * @returns A callback function.
     */
    static eventCallback(fullKey, handler, zone) {
        return (event /** TODO #9100 */) => {
            if (KeyEventsPlugin.getEventFullKey(event) === fullKey) {
                zone.runGuarded(() => handler(event));
            }
        };
    }
    /** @internal */
    static _normalizeKey(keyName) {
        // TODO: switch to a Map if the mapping grows too much
        switch (keyName) {
            case 'esc':
                return 'escape';
            default:
                return keyName;
        }
    }
}
KeyEventsPlugin.ɵfac = function KeyEventsPlugin_Factory(t) { return new (t || KeyEventsPlugin)(_angular_core__WEBPACK_IMPORTED_MODULE_1__["ɵɵinject"](_angular_common__WEBPACK_IMPORTED_MODULE_0__.DOCUMENT)); };
KeyEventsPlugin.ɵprov = /*@__PURE__*/ _angular_core__WEBPACK_IMPORTED_MODULE_1__["ɵɵdefineInjectable"]({ token: KeyEventsPlugin, factory: KeyEventsPlugin.ɵfac });
KeyEventsPlugin.ctorParameters = () => [
    { type: undefined, decorators: [{ type: _angular_core__WEBPACK_IMPORTED_MODULE_1__.Inject, args: [_angular_common__WEBPACK_IMPORTED_MODULE_0__.DOCUMENT,] }] }
];
(function () { (typeof ngDevMode === "undefined" || ngDevMode) && _angular_core__WEBPACK_IMPORTED_MODULE_1__["ɵsetClassMetadata"](KeyEventsPlugin, [{
        type: _angular_core__WEBPACK_IMPORTED_MODULE_1__.Injectable
    }], function () { return [{ type: undefined, decorators: [{
                type: _angular_core__WEBPACK_IMPORTED_MODULE_1__.Inject,
                args: [_angular_common__WEBPACK_IMPORTED_MODULE_0__.DOCUMENT]
            }] }]; }, null); })();
function getEventKey(event) {
    let key = event.key;
    if (key == null) {
        key = event.keyIdentifier;
        // keyIdentifier is defined in the old draft of DOM Level 3 Events implemented by Chrome and
        // Safari cf
        // https://www.w3.org/TR/2007/WD-DOM-Level-3-Events-20071221/events.html#Events-KeyboardEvents-Interfaces
        if (key == null) {
            return 'Unidentified';
        }
        if (key.startsWith('U+')) {
            key = String.fromCharCode(parseInt(key.substring(2), 16));
            if (event.location === DOM_KEY_LOCATION_NUMPAD && _chromeNumKeyPadMap.hasOwnProperty(key)) {
                // There is a bug in Chrome for numeric keypad keys:
                // https://code.google.com/p/chromium/issues/detail?id=155654
                // 1, 2, 3 ... are reported as A, B, C ...
                key = _chromeNumKeyPadMap[key];
            }
        }
    }
    return _keyMap[key] || key;
}

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
/**
 * DomSanitizer helps preventing Cross Site Scripting Security bugs (XSS) by sanitizing
 * values to be safe to use in the different DOM contexts.
 *
 * For example, when binding a URL in an `<a [href]="someValue">` hyperlink, `someValue` will be
 * sanitized so that an attacker cannot inject e.g. a `javascript:` URL that would execute code on
 * the website.
 *
 * In specific situations, it might be necessary to disable sanitization, for example if the
 * application genuinely needs to produce a `javascript:` style link with a dynamic value in it.
 * Users can bypass security by constructing a value with one of the `bypassSecurityTrust...`
 * methods, and then binding to that value from the template.
 *
 * These situations should be very rare, and extraordinary care must be taken to avoid creating a
 * Cross Site Scripting (XSS) security bug!
 *
 * When using `bypassSecurityTrust...`, make sure to call the method as early as possible and as
 * close as possible to the source of the value, to make it easy to verify no security bug is
 * created by its use.
 *
 * It is not required (and not recommended) to bypass security if the value is safe, e.g. a URL that
 * does not start with a suspicious protocol, or an HTML snippet that does not contain dangerous
 * code. The sanitizer leaves safe values intact.
 *
 * @security Calling any of the `bypassSecurityTrust...` APIs disables Angular's built-in
 * sanitization for the value passed in. Carefully check and audit all values and code paths going
 * into this call. Make sure any user data is appropriately escaped for this security context.
 * For more detail, see the [Security Guide](https://g.co/ng/security).
 *
 * @publicApi
 */
class DomSanitizer {
}
DomSanitizer.ɵfac = function DomSanitizer_Factory(t) { return new (t || DomSanitizer)(); };
DomSanitizer.ɵprov = (0,_angular_core__WEBPACK_IMPORTED_MODULE_1__["ɵɵdefineInjectable"])({ factory: function DomSanitizer_Factory() { return (0,_angular_core__WEBPACK_IMPORTED_MODULE_1__["ɵɵinject"])(DomSanitizerImpl); }, token: DomSanitizer, providedIn: "root" });
(function () { (typeof ngDevMode === "undefined" || ngDevMode) && _angular_core__WEBPACK_IMPORTED_MODULE_1__["ɵsetClassMetadata"](DomSanitizer, [{
        type: _angular_core__WEBPACK_IMPORTED_MODULE_1__.Injectable,
        args: [{ providedIn: 'root', useExisting: (0,_angular_core__WEBPACK_IMPORTED_MODULE_1__.forwardRef)(() => DomSanitizerImpl) }]
    }], null, null); })();
function domSanitizerImplFactory(injector) {
    return new DomSanitizerImpl(injector.get(_angular_common__WEBPACK_IMPORTED_MODULE_0__.DOCUMENT));
}
class DomSanitizerImpl extends DomSanitizer {
    constructor(_doc) {
        super();
        this._doc = _doc;
    }
    sanitize(ctx, value) {
        if (value == null)
            return null;
        switch (ctx) {
            case _angular_core__WEBPACK_IMPORTED_MODULE_1__.SecurityContext.NONE:
                return value;
            case _angular_core__WEBPACK_IMPORTED_MODULE_1__.SecurityContext.HTML:
                if ((0,_angular_core__WEBPACK_IMPORTED_MODULE_1__["ɵallowSanitizationBypassAndThrow"])(value, "HTML" /* Html */)) {
                    return (0,_angular_core__WEBPACK_IMPORTED_MODULE_1__["ɵunwrapSafeValue"])(value);
                }
                return (0,_angular_core__WEBPACK_IMPORTED_MODULE_1__["ɵ_sanitizeHtml"])(this._doc, String(value)).toString();
            case _angular_core__WEBPACK_IMPORTED_MODULE_1__.SecurityContext.STYLE:
                if ((0,_angular_core__WEBPACK_IMPORTED_MODULE_1__["ɵallowSanitizationBypassAndThrow"])(value, "Style" /* Style */)) {
                    return (0,_angular_core__WEBPACK_IMPORTED_MODULE_1__["ɵunwrapSafeValue"])(value);
                }
                return value;
            case _angular_core__WEBPACK_IMPORTED_MODULE_1__.SecurityContext.SCRIPT:
                if ((0,_angular_core__WEBPACK_IMPORTED_MODULE_1__["ɵallowSanitizationBypassAndThrow"])(value, "Script" /* Script */)) {
                    return (0,_angular_core__WEBPACK_IMPORTED_MODULE_1__["ɵunwrapSafeValue"])(value);
                }
                throw new Error('unsafe value used in a script context');
            case _angular_core__WEBPACK_IMPORTED_MODULE_1__.SecurityContext.URL:
                const type = (0,_angular_core__WEBPACK_IMPORTED_MODULE_1__["ɵgetSanitizationBypassType"])(value);
                if ((0,_angular_core__WEBPACK_IMPORTED_MODULE_1__["ɵallowSanitizationBypassAndThrow"])(value, "URL" /* Url */)) {
                    return (0,_angular_core__WEBPACK_IMPORTED_MODULE_1__["ɵunwrapSafeValue"])(value);
                }
                return (0,_angular_core__WEBPACK_IMPORTED_MODULE_1__["ɵ_sanitizeUrl"])(String(value));
            case _angular_core__WEBPACK_IMPORTED_MODULE_1__.SecurityContext.RESOURCE_URL:
                if ((0,_angular_core__WEBPACK_IMPORTED_MODULE_1__["ɵallowSanitizationBypassAndThrow"])(value, "ResourceURL" /* ResourceUrl */)) {
                    return (0,_angular_core__WEBPACK_IMPORTED_MODULE_1__["ɵunwrapSafeValue"])(value);
                }
                throw new Error('unsafe value used in a resource URL context (see https://g.co/ng/security#xss)');
            default:
                throw new Error(`Unexpected SecurityContext ${ctx} (see https://g.co/ng/security#xss)`);
        }
    }
    bypassSecurityTrustHtml(value) {
        return (0,_angular_core__WEBPACK_IMPORTED_MODULE_1__["ɵbypassSanitizationTrustHtml"])(value);
    }
    bypassSecurityTrustStyle(value) {
        return (0,_angular_core__WEBPACK_IMPORTED_MODULE_1__["ɵbypassSanitizationTrustStyle"])(value);
    }
    bypassSecurityTrustScript(value) {
        return (0,_angular_core__WEBPACK_IMPORTED_MODULE_1__["ɵbypassSanitizationTrustScript"])(value);
    }
    bypassSecurityTrustUrl(value) {
        return (0,_angular_core__WEBPACK_IMPORTED_MODULE_1__["ɵbypassSanitizationTrustUrl"])(value);
    }
    bypassSecurityTrustResourceUrl(value) {
        return (0,_angular_core__WEBPACK_IMPORTED_MODULE_1__["ɵbypassSanitizationTrustResourceUrl"])(value);
    }
}
DomSanitizerImpl.ɵfac = function DomSanitizerImpl_Factory(t) { return new (t || DomSanitizerImpl)(_angular_core__WEBPACK_IMPORTED_MODULE_1__["ɵɵinject"](_angular_common__WEBPACK_IMPORTED_MODULE_0__.DOCUMENT)); };
DomSanitizerImpl.ɵprov = (0,_angular_core__WEBPACK_IMPORTED_MODULE_1__["ɵɵdefineInjectable"])({ factory: function DomSanitizerImpl_Factory() { return domSanitizerImplFactory((0,_angular_core__WEBPACK_IMPORTED_MODULE_1__["ɵɵinject"])(_angular_core__WEBPACK_IMPORTED_MODULE_1__.INJECTOR)); }, token: DomSanitizerImpl, providedIn: "root" });
DomSanitizerImpl.ctorParameters = () => [
    { type: undefined, decorators: [{ type: _angular_core__WEBPACK_IMPORTED_MODULE_1__.Inject, args: [_angular_common__WEBPACK_IMPORTED_MODULE_0__.DOCUMENT,] }] }
];
(function () { (typeof ngDevMode === "undefined" || ngDevMode) && _angular_core__WEBPACK_IMPORTED_MODULE_1__["ɵsetClassMetadata"](DomSanitizerImpl, [{
        type: _angular_core__WEBPACK_IMPORTED_MODULE_1__.Injectable,
        args: [{ providedIn: 'root', useFactory: domSanitizerImplFactory, deps: [_angular_core__WEBPACK_IMPORTED_MODULE_1__.Injector] }]
    }], function () { return [{ type: undefined, decorators: [{
                type: _angular_core__WEBPACK_IMPORTED_MODULE_1__.Inject,
                args: [_angular_common__WEBPACK_IMPORTED_MODULE_0__.DOCUMENT]
            }] }]; }, null); })();

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
function initDomAdapter() {
    BrowserDomAdapter.makeCurrent();
    BrowserGetTestability.init();
}
function errorHandler() {
    return new _angular_core__WEBPACK_IMPORTED_MODULE_1__.ErrorHandler();
}
function _document() {
    // Tell ivy about the global document
    (0,_angular_core__WEBPACK_IMPORTED_MODULE_1__["ɵsetDocument"])(document);
    return document;
}
const ɵ0$3 = _angular_common__WEBPACK_IMPORTED_MODULE_0__["ɵPLATFORM_BROWSER_ID"];
const INTERNAL_BROWSER_PLATFORM_PROVIDERS = [
    { provide: _angular_core__WEBPACK_IMPORTED_MODULE_1__.PLATFORM_ID, useValue: ɵ0$3 },
    { provide: _angular_core__WEBPACK_IMPORTED_MODULE_1__.PLATFORM_INITIALIZER, useValue: initDomAdapter, multi: true },
    { provide: _angular_common__WEBPACK_IMPORTED_MODULE_0__.DOCUMENT, useFactory: _document, deps: [] },
];
const BROWSER_SANITIZATION_PROVIDERS__PRE_R3__ = [
    { provide: _angular_core__WEBPACK_IMPORTED_MODULE_1__.Sanitizer, useExisting: DomSanitizer },
    { provide: DomSanitizer, useClass: DomSanitizerImpl, deps: [_angular_common__WEBPACK_IMPORTED_MODULE_0__.DOCUMENT] },
];
const BROWSER_SANITIZATION_PROVIDERS__POST_R3__ = [];
/**
 * @security Replacing built-in sanitization providers exposes the application to XSS risks.
 * Attacker-controlled data introduced by an unsanitized provider could expose your
 * application to XSS risks. For more detail, see the [Security Guide](https://g.co/ng/security).
 * @publicApi
 */
const BROWSER_SANITIZATION_PROVIDERS = BROWSER_SANITIZATION_PROVIDERS__POST_R3__;
/**
 * A factory function that returns a `PlatformRef` instance associated with browser service
 * providers.
 *
 * @publicApi
 */
const platformBrowser = (0,_angular_core__WEBPACK_IMPORTED_MODULE_1__.createPlatformFactory)(_angular_core__WEBPACK_IMPORTED_MODULE_1__.platformCore, 'browser', INTERNAL_BROWSER_PLATFORM_PROVIDERS);
const BROWSER_MODULE_PROVIDERS = [
    BROWSER_SANITIZATION_PROVIDERS,
    { provide: _angular_core__WEBPACK_IMPORTED_MODULE_1__["ɵINJECTOR_SCOPE"], useValue: 'root' },
    { provide: _angular_core__WEBPACK_IMPORTED_MODULE_1__.ErrorHandler, useFactory: errorHandler, deps: [] },
    {
        provide: EVENT_MANAGER_PLUGINS,
        useClass: DomEventsPlugin,
        multi: true,
        deps: [_angular_common__WEBPACK_IMPORTED_MODULE_0__.DOCUMENT, _angular_core__WEBPACK_IMPORTED_MODULE_1__.NgZone, _angular_core__WEBPACK_IMPORTED_MODULE_1__.PLATFORM_ID]
    },
    { provide: EVENT_MANAGER_PLUGINS, useClass: KeyEventsPlugin, multi: true, deps: [_angular_common__WEBPACK_IMPORTED_MODULE_0__.DOCUMENT] },
    HAMMER_PROVIDERS,
    {
        provide: DomRendererFactory2,
        useClass: DomRendererFactory2,
        deps: [EventManager, DomSharedStylesHost, _angular_core__WEBPACK_IMPORTED_MODULE_1__.APP_ID]
    },
    { provide: _angular_core__WEBPACK_IMPORTED_MODULE_1__.RendererFactory2, useExisting: DomRendererFactory2 },
    { provide: SharedStylesHost, useExisting: DomSharedStylesHost },
    { provide: DomSharedStylesHost, useClass: DomSharedStylesHost, deps: [_angular_common__WEBPACK_IMPORTED_MODULE_0__.DOCUMENT] },
    { provide: _angular_core__WEBPACK_IMPORTED_MODULE_1__.Testability, useClass: _angular_core__WEBPACK_IMPORTED_MODULE_1__.Testability, deps: [_angular_core__WEBPACK_IMPORTED_MODULE_1__.NgZone] },
    { provide: EventManager, useClass: EventManager, deps: [EVENT_MANAGER_PLUGINS, _angular_core__WEBPACK_IMPORTED_MODULE_1__.NgZone] },
    { provide: _angular_common__WEBPACK_IMPORTED_MODULE_0__.XhrFactory, useClass: BrowserXhr, deps: [] },
    ELEMENT_PROBE_PROVIDERS,
];
/**
 * Exports required infrastructure for all Angular apps.
 * Included by default in all Angular apps created with the CLI
 * `new` command.
 * Re-exports `CommonModule` and `ApplicationModule`, making their
 * exports and providers available to all apps.
 *
 * @publicApi
 */
class BrowserModule {
    constructor(parentModule) {
        if (parentModule) {
            throw new Error(`BrowserModule has already been loaded. If you need access to common directives such as NgIf and NgFor from a lazy loaded module, import CommonModule instead.`);
        }
    }
    /**
     * Configures a browser-based app to transition from a server-rendered app, if
     * one is present on the page.
     *
     * @param params An object containing an identifier for the app to transition.
     * The ID must match between the client and server versions of the app.
     * @returns The reconfigured `BrowserModule` to import into the app's root `AppModule`.
     */
    static withServerTransition(params) {
        return {
            ngModule: BrowserModule,
            providers: [
                { provide: _angular_core__WEBPACK_IMPORTED_MODULE_1__.APP_ID, useValue: params.appId },
                { provide: TRANSITION_ID, useExisting: _angular_core__WEBPACK_IMPORTED_MODULE_1__.APP_ID },
                SERVER_TRANSITION_PROVIDERS,
            ],
        };
    }
}
BrowserModule.ɵfac = function BrowserModule_Factory(t) { return new (t || BrowserModule)(_angular_core__WEBPACK_IMPORTED_MODULE_1__["ɵɵinject"](BrowserModule, 12)); };
BrowserModule.ɵmod = /*@__PURE__*/ _angular_core__WEBPACK_IMPORTED_MODULE_1__["ɵɵdefineNgModule"]({ type: BrowserModule });
BrowserModule.ɵinj = /*@__PURE__*/ _angular_core__WEBPACK_IMPORTED_MODULE_1__["ɵɵdefineInjector"]({ providers: BROWSER_MODULE_PROVIDERS, imports: [_angular_common__WEBPACK_IMPORTED_MODULE_0__.CommonModule, _angular_core__WEBPACK_IMPORTED_MODULE_1__.ApplicationModule] });
BrowserModule.ctorParameters = () => [
    { type: BrowserModule, decorators: [{ type: _angular_core__WEBPACK_IMPORTED_MODULE_1__.Optional }, { type: _angular_core__WEBPACK_IMPORTED_MODULE_1__.SkipSelf }, { type: _angular_core__WEBPACK_IMPORTED_MODULE_1__.Inject, args: [BrowserModule,] }] }
];
(function () { (typeof ngDevMode === "undefined" || ngDevMode) && _angular_core__WEBPACK_IMPORTED_MODULE_1__["ɵsetClassMetadata"](BrowserModule, [{
        type: _angular_core__WEBPACK_IMPORTED_MODULE_1__.NgModule,
        args: [{ providers: BROWSER_MODULE_PROVIDERS, exports: [_angular_common__WEBPACK_IMPORTED_MODULE_0__.CommonModule, _angular_core__WEBPACK_IMPORTED_MODULE_1__.ApplicationModule] }]
    }], function () { return [{ type: BrowserModule, decorators: [{
                type: _angular_core__WEBPACK_IMPORTED_MODULE_1__.Optional
            }, {
                type: _angular_core__WEBPACK_IMPORTED_MODULE_1__.SkipSelf
            }, {
                type: _angular_core__WEBPACK_IMPORTED_MODULE_1__.Inject,
                args: [BrowserModule]
            }] }]; }, null); })();
(function () { (typeof ngJitMode === "undefined" || ngJitMode) && _angular_core__WEBPACK_IMPORTED_MODULE_1__["ɵɵsetNgModuleScope"](BrowserModule, { exports: function () { return [_angular_common__WEBPACK_IMPORTED_MODULE_0__.CommonModule, _angular_core__WEBPACK_IMPORTED_MODULE_1__.ApplicationModule]; } }); })();

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
/**
 * Factory to create a `Meta` service instance for the current DOM document.
 */
function createMeta() {
    return new Meta((0,_angular_core__WEBPACK_IMPORTED_MODULE_1__["ɵɵinject"])(_angular_common__WEBPACK_IMPORTED_MODULE_0__.DOCUMENT));
}
/**
 * A service for managing HTML `<meta>` tags.
 *
 * Properties of the `MetaDefinition` object match the attributes of the
 * HTML `<meta>` tag. These tags define document metadata that is important for
 * things like configuring a Content Security Policy, defining browser compatibility
 * and security settings, setting HTTP Headers, defining rich content for social sharing,
 * and Search Engine Optimization (SEO).
 *
 * To identify specific `<meta>` tags in a document, use an attribute selection
 * string in the format `"tag_attribute='value string'"`.
 * For example, an `attrSelector` value of `"name='description'"` matches a tag
 * whose `name` attribute has the value `"description"`.
 * Selectors are used with the `querySelector()` Document method,
 * in the format `meta[{attrSelector}]`.
 *
 * @see [HTML meta tag](https://developer.mozilla.org/docs/Web/HTML/Element/meta)
 * @see [Document.querySelector()](https://developer.mozilla.org/docs/Web/API/Document/querySelector)
 *
 *
 * @publicApi
 */
class Meta {
    constructor(_doc) {
        this._doc = _doc;
        this._dom = (0,_angular_common__WEBPACK_IMPORTED_MODULE_0__["ɵgetDOM"])();
    }
    /**
     * Retrieves or creates a specific `<meta>` tag element in the current HTML document.
     * In searching for an existing tag, Angular attempts to match the `name` or `property` attribute
     * values in the provided tag definition, and verifies that all other attribute values are equal.
     * If an existing element is found, it is returned and is not modified in any way.
     * @param tag The definition of a `<meta>` element to match or create.
     * @param forceCreation True to create a new element without checking whether one already exists.
     * @returns The existing element with the same attributes and values if found,
     * the new element if no match is found, or `null` if the tag parameter is not defined.
     */
    addTag(tag, forceCreation = false) {
        if (!tag)
            return null;
        return this._getOrCreateElement(tag, forceCreation);
    }
    /**
     * Retrieves or creates a set of `<meta>` tag elements in the current HTML document.
     * In searching for an existing tag, Angular attempts to match the `name` or `property` attribute
     * values in the provided tag definition, and verifies that all other attribute values are equal.
     * @param tags An array of tag definitions to match or create.
     * @param forceCreation True to create new elements without checking whether they already exist.
     * @returns The matching elements if found, or the new elements.
     */
    addTags(tags, forceCreation = false) {
        if (!tags)
            return [];
        return tags.reduce((result, tag) => {
            if (tag) {
                result.push(this._getOrCreateElement(tag, forceCreation));
            }
            return result;
        }, []);
    }
    /**
     * Retrieves a `<meta>` tag element in the current HTML document.
     * @param attrSelector The tag attribute and value to match against, in the format
     * `"tag_attribute='value string'"`.
     * @returns The matching element, if any.
     */
    getTag(attrSelector) {
        if (!attrSelector)
            return null;
        return this._doc.querySelector(`meta[${attrSelector}]`) || null;
    }
    /**
     * Retrieves a set of `<meta>` tag elements in the current HTML document.
     * @param attrSelector The tag attribute and value to match against, in the format
     * `"tag_attribute='value string'"`.
     * @returns The matching elements, if any.
     */
    getTags(attrSelector) {
        if (!attrSelector)
            return [];
        const list /*NodeList*/ = this._doc.querySelectorAll(`meta[${attrSelector}]`);
        return list ? [].slice.call(list) : [];
    }
    /**
     * Modifies an existing `<meta>` tag element in the current HTML document.
     * @param tag The tag description with which to replace the existing tag content.
     * @param selector A tag attribute and value to match against, to identify
     * an existing tag. A string in the format `"tag_attribute=`value string`"`.
     * If not supplied, matches a tag with the same `name` or `property` attribute value as the
     * replacement tag.
     * @return The modified element.
     */
    updateTag(tag, selector) {
        if (!tag)
            return null;
        selector = selector || this._parseSelector(tag);
        const meta = this.getTag(selector);
        if (meta) {
            return this._setMetaElementAttributes(tag, meta);
        }
        return this._getOrCreateElement(tag, true);
    }
    /**
     * Removes an existing `<meta>` tag element from the current HTML document.
     * @param attrSelector A tag attribute and value to match against, to identify
     * an existing tag. A string in the format `"tag_attribute=`value string`"`.
     */
    removeTag(attrSelector) {
        this.removeTagElement(this.getTag(attrSelector));
    }
    /**
     * Removes an existing `<meta>` tag element from the current HTML document.
     * @param meta The tag definition to match against to identify an existing tag.
     */
    removeTagElement(meta) {
        if (meta) {
            this._dom.remove(meta);
        }
    }
    _getOrCreateElement(meta, forceCreation = false) {
        if (!forceCreation) {
            const selector = this._parseSelector(meta);
            // It's allowed to have multiple elements with the same name so it's not enough to
            // just check that element with the same name already present on the page. We also need to
            // check if element has tag attributes
            const elem = this.getTags(selector).filter(elem => this._containsAttributes(meta, elem))[0];
            if (elem !== undefined)
                return elem;
        }
        const element = this._dom.createElement('meta');
        this._setMetaElementAttributes(meta, element);
        const head = this._doc.getElementsByTagName('head')[0];
        head.appendChild(element);
        return element;
    }
    _setMetaElementAttributes(tag, el) {
        Object.keys(tag).forEach((prop) => el.setAttribute(this._getMetaKeyMap(prop), tag[prop]));
        return el;
    }
    _parseSelector(tag) {
        const attr = tag.name ? 'name' : 'property';
        return `${attr}="${tag[attr]}"`;
    }
    _containsAttributes(tag, elem) {
        return Object.keys(tag).every((key) => elem.getAttribute(this._getMetaKeyMap(key)) === tag[key]);
    }
    _getMetaKeyMap(prop) {
        return META_KEYS_MAP[prop] || prop;
    }
}
Meta.ɵfac = function Meta_Factory(t) { return new (t || Meta)(_angular_core__WEBPACK_IMPORTED_MODULE_1__["ɵɵinject"](_angular_common__WEBPACK_IMPORTED_MODULE_0__.DOCUMENT)); };
Meta.ɵprov = (0,_angular_core__WEBPACK_IMPORTED_MODULE_1__["ɵɵdefineInjectable"])({ factory: createMeta, token: Meta, providedIn: "root" });
Meta.ctorParameters = () => [
    { type: undefined, decorators: [{ type: _angular_core__WEBPACK_IMPORTED_MODULE_1__.Inject, args: [_angular_common__WEBPACK_IMPORTED_MODULE_0__.DOCUMENT,] }] }
];
(function () { (typeof ngDevMode === "undefined" || ngDevMode) && _angular_core__WEBPACK_IMPORTED_MODULE_1__["ɵsetClassMetadata"](Meta, [{
        type: _angular_core__WEBPACK_IMPORTED_MODULE_1__.Injectable,
        args: [{ providedIn: 'root', useFactory: createMeta, deps: [] }]
    }], function () { return [{ type: undefined, decorators: [{
                type: _angular_core__WEBPACK_IMPORTED_MODULE_1__.Inject,
                args: [_angular_common__WEBPACK_IMPORTED_MODULE_0__.DOCUMENT]
            }] }]; }, null); })();
/**
 * Mapping for MetaDefinition properties with their correct meta attribute names
 */
const META_KEYS_MAP = {
    httpEquiv: 'http-equiv'
};

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
/**
 * Factory to create Title service.
 */
function createTitle() {
    return new Title((0,_angular_core__WEBPACK_IMPORTED_MODULE_1__["ɵɵinject"])(_angular_common__WEBPACK_IMPORTED_MODULE_0__.DOCUMENT));
}
/**
 * A service that can be used to get and set the title of a current HTML document.
 *
 * Since an Angular application can't be bootstrapped on the entire HTML document (`<html>` tag)
 * it is not possible to bind to the `text` property of the `HTMLTitleElement` elements
 * (representing the `<title>` tag). Instead, this service can be used to set and get the current
 * title value.
 *
 * @publicApi
 */
class Title {
    constructor(_doc) {
        this._doc = _doc;
    }
    /**
     * Get the title of the current HTML document.
     */
    getTitle() {
        return this._doc.title;
    }
    /**
     * Set the title of the current HTML document.
     * @param newTitle
     */
    setTitle(newTitle) {
        this._doc.title = newTitle || '';
    }
}
Title.ɵfac = function Title_Factory(t) { return new (t || Title)(_angular_core__WEBPACK_IMPORTED_MODULE_1__["ɵɵinject"](_angular_common__WEBPACK_IMPORTED_MODULE_0__.DOCUMENT)); };
Title.ɵprov = (0,_angular_core__WEBPACK_IMPORTED_MODULE_1__["ɵɵdefineInjectable"])({ factory: createTitle, token: Title, providedIn: "root" });
Title.ctorParameters = () => [
    { type: undefined, decorators: [{ type: _angular_core__WEBPACK_IMPORTED_MODULE_1__.Inject, args: [_angular_common__WEBPACK_IMPORTED_MODULE_0__.DOCUMENT,] }] }
];
(function () { (typeof ngDevMode === "undefined" || ngDevMode) && _angular_core__WEBPACK_IMPORTED_MODULE_1__["ɵsetClassMetadata"](Title, [{
        type: _angular_core__WEBPACK_IMPORTED_MODULE_1__.Injectable,
        args: [{ providedIn: 'root', useFactory: createTitle, deps: [] }]
    }], function () { return [{ type: undefined, decorators: [{
                type: _angular_core__WEBPACK_IMPORTED_MODULE_1__.Inject,
                args: [_angular_common__WEBPACK_IMPORTED_MODULE_0__.DOCUMENT]
            }] }]; }, null); })();

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
const win = typeof window !== 'undefined' && window || {};

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
class ChangeDetectionPerfRecord {
    constructor(msPerTick, numTicks) {
        this.msPerTick = msPerTick;
        this.numTicks = numTicks;
    }
}
/**
 * Entry point for all Angular profiling-related debug tools. This object
 * corresponds to the `ng.profiler` in the dev console.
 */
class AngularProfiler {
    constructor(ref) {
        this.appRef = ref.injector.get(_angular_core__WEBPACK_IMPORTED_MODULE_1__.ApplicationRef);
    }
    // tslint:disable:no-console
    /**
     * Exercises change detection in a loop and then prints the average amount of
     * time in milliseconds how long a single round of change detection takes for
     * the current state of the UI. It runs a minimum of 5 rounds for a minimum
     * of 500 milliseconds.
     *
     * Optionally, a user may pass a `config` parameter containing a map of
     * options. Supported options are:
     *
     * `record` (boolean) - causes the profiler to record a CPU profile while
     * it exercises the change detector. Example:
     *
     * ```
     * ng.profiler.timeChangeDetection({record: true})
     * ```
     */
    timeChangeDetection(config) {
        const record = config && config['record'];
        const profileName = 'Change Detection';
        // Profiler is not available in Android browsers without dev tools opened
        const isProfilerAvailable = win.console.profile != null;
        if (record && isProfilerAvailable) {
            win.console.profile(profileName);
        }
        const start = performanceNow();
        let numTicks = 0;
        while (numTicks < 5 || (performanceNow() - start) < 500) {
            this.appRef.tick();
            numTicks++;
        }
        const end = performanceNow();
        if (record && isProfilerAvailable) {
            win.console.profileEnd(profileName);
        }
        const msPerTick = (end - start) / numTicks;
        win.console.log(`ran ${numTicks} change detection cycles`);
        win.console.log(`${msPerTick.toFixed(2)} ms per check`);
        return new ChangeDetectionPerfRecord(msPerTick, numTicks);
    }
}
function performanceNow() {
    return win.performance && win.performance.now ? win.performance.now() :
        new Date().getTime();
}

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
const PROFILER_GLOBAL_NAME = 'profiler';
/**
 * Enabled Angular debug tools that are accessible via your browser's
 * developer console.
 *
 * Usage:
 *
 * 1. Open developer console (e.g. in Chrome Ctrl + Shift + j)
 * 1. Type `ng.` (usually the console will show auto-complete suggestion)
 * 1. Try the change detection profiler `ng.profiler.timeChangeDetection()`
 *    then hit Enter.
 *
 * @publicApi
 */
function enableDebugTools(ref) {
    exportNgVar(PROFILER_GLOBAL_NAME, new AngularProfiler(ref));
    return ref;
}
/**
 * Disables Angular tools.
 *
 * @publicApi
 */
function disableDebugTools() {
    exportNgVar(PROFILER_GLOBAL_NAME, null);
}

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
function escapeHtml(text) {
    const escapedText = {
        '&': '&a;',
        '"': '&q;',
        '\'': '&s;',
        '<': '&l;',
        '>': '&g;',
    };
    return text.replace(/[&"'<>]/g, s => escapedText[s]);
}
function unescapeHtml(text) {
    const unescapedText = {
        '&a;': '&',
        '&q;': '"',
        '&s;': '\'',
        '&l;': '<',
        '&g;': '>',
    };
    return text.replace(/&[^;]+;/g, s => unescapedText[s]);
}
/**
 * Create a `StateKey<T>` that can be used to store value of type T with `TransferState`.
 *
 * Example:
 *
 * ```
 * const COUNTER_KEY = makeStateKey<number>('counter');
 * let value = 10;
 *
 * transferState.set(COUNTER_KEY, value);
 * ```
 *
 * @publicApi
 */
function makeStateKey(key) {
    return key;
}
/**
 * A key value store that is transferred from the application on the server side to the application
 * on the client side.
 *
 * `TransferState` will be available as an injectable token. To use it import
 * `ServerTransferStateModule` on the server and `BrowserTransferStateModule` on the client.
 *
 * The values in the store are serialized/deserialized using JSON.stringify/JSON.parse. So only
 * boolean, number, string, null and non-class objects will be serialized and deserialized in a
 * non-lossy manner.
 *
 * @publicApi
 */
class TransferState {
    constructor() {
        this.store = {};
        this.onSerializeCallbacks = {};
    }
    /** @internal */
    static init(initState) {
        const transferState = new TransferState();
        transferState.store = initState;
        return transferState;
    }
    /**
     * Get the value corresponding to a key. Return `defaultValue` if key is not found.
     */
    get(key, defaultValue) {
        return this.store[key] !== undefined ? this.store[key] : defaultValue;
    }
    /**
     * Set the value corresponding to a key.
     */
    set(key, value) {
        this.store[key] = value;
    }
    /**
     * Remove a key from the store.
     */
    remove(key) {
        delete this.store[key];
    }
    /**
     * Test whether a key exists in the store.
     */
    hasKey(key) {
        return this.store.hasOwnProperty(key);
    }
    /**
     * Register a callback to provide the value for a key when `toJson` is called.
     */
    onSerialize(key, callback) {
        this.onSerializeCallbacks[key] = callback;
    }
    /**
     * Serialize the current state of the store to JSON.
     */
    toJson() {
        // Call the onSerialize callbacks and put those values into the store.
        for (const key in this.onSerializeCallbacks) {
            if (this.onSerializeCallbacks.hasOwnProperty(key)) {
                try {
                    this.store[key] = this.onSerializeCallbacks[key]();
                }
                catch (e) {
                    console.warn('Exception in onSerialize callback: ', e);
                }
            }
        }
        return JSON.stringify(this.store);
    }
}
TransferState.ɵfac = function TransferState_Factory(t) { return new (t || TransferState)(); };
TransferState.ɵprov = /*@__PURE__*/ _angular_core__WEBPACK_IMPORTED_MODULE_1__["ɵɵdefineInjectable"]({ token: TransferState, factory: TransferState.ɵfac });
(function () { (typeof ngDevMode === "undefined" || ngDevMode) && _angular_core__WEBPACK_IMPORTED_MODULE_1__["ɵsetClassMetadata"](TransferState, [{
        type: _angular_core__WEBPACK_IMPORTED_MODULE_1__.Injectable
    }], function () { return []; }, null); })();
function initTransferState(doc, appId) {
    // Locate the script tag with the JSON data transferred from the server.
    // The id of the script tag is set to the Angular appId + 'state'.
    const script = doc.getElementById(appId + '-state');
    let initialState = {};
    if (script && script.textContent) {
        try {
            // Avoid using any here as it triggers lint errors in google3 (any is not allowed).
            initialState = JSON.parse(unescapeHtml(script.textContent));
        }
        catch (e) {
            console.warn('Exception while restoring TransferState for app ' + appId, e);
        }
    }
    return TransferState.init(initialState);
}
/**
 * NgModule to install on the client side while using the `TransferState` to transfer state from
 * server to client.
 *
 * @publicApi
 */
class BrowserTransferStateModule {
}
BrowserTransferStateModule.ɵfac = function BrowserTransferStateModule_Factory(t) { return new (t || BrowserTransferStateModule)(); };
BrowserTransferStateModule.ɵmod = /*@__PURE__*/ _angular_core__WEBPACK_IMPORTED_MODULE_1__["ɵɵdefineNgModule"]({ type: BrowserTransferStateModule });
BrowserTransferStateModule.ɵinj = /*@__PURE__*/ _angular_core__WEBPACK_IMPORTED_MODULE_1__["ɵɵdefineInjector"]({ providers: [{ provide: TransferState, useFactory: initTransferState, deps: [_angular_common__WEBPACK_IMPORTED_MODULE_0__.DOCUMENT, _angular_core__WEBPACK_IMPORTED_MODULE_1__.APP_ID] }] });
(function () { (typeof ngDevMode === "undefined" || ngDevMode) && _angular_core__WEBPACK_IMPORTED_MODULE_1__["ɵsetClassMetadata"](BrowserTransferStateModule, [{
        type: _angular_core__WEBPACK_IMPORTED_MODULE_1__.NgModule,
        args: [{
                providers: [{ provide: TransferState, useFactory: initTransferState, deps: [_angular_common__WEBPACK_IMPORTED_MODULE_0__.DOCUMENT, _angular_core__WEBPACK_IMPORTED_MODULE_1__.APP_ID] }]
            }]
    }], null, null); })();

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
/**
 * Predicates for use with {@link DebugElement}'s query functions.
 *
 * @publicApi
 */
class By {
    /**
     * Match all nodes.
     *
     * @usageNotes
     * ### Example
     *
     * {@example platform-browser/dom/debug/ts/by/by.ts region='by_all'}
     */
    static all() {
        return () => true;
    }
    /**
     * Match elements by the given CSS selector.
     *
     * @usageNotes
     * ### Example
     *
     * {@example platform-browser/dom/debug/ts/by/by.ts region='by_css'}
     */
    static css(selector) {
        return (debugElement) => {
            return debugElement.nativeElement != null ?
                elementMatches(debugElement.nativeElement, selector) :
                false;
        };
    }
    /**
     * Match nodes that have the given directive present.
     *
     * @usageNotes
     * ### Example
     *
     * {@example platform-browser/dom/debug/ts/by/by.ts region='by_directive'}
     */
    static directive(type) {
        return (debugNode) => debugNode.providerTokens.indexOf(type) !== -1;
    }
}
function elementMatches(n, selector) {
    if ((0,_angular_common__WEBPACK_IMPORTED_MODULE_0__["ɵgetDOM"])().isElementNode(n)) {
        return n.matches && n.matches(selector) ||
            n.msMatchesSelector && n.msMatchesSelector(selector) ||
            n.webkitMatchesSelector && n.webkitMatchesSelector(selector);
    }
    return false;
}

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
/**
 * @publicApi
 */
const VERSION = new _angular_core__WEBPACK_IMPORTED_MODULE_1__.Version('12.1.5');

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
// This file only reexports content of the `src` folder. Keep it that way.

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */

/**
 * Generated bundle index. Do not edit.
 */



//# sourceMappingURL=platform-browser.js.map

/***/ }),

/***/ 9895:
/*!**********************************************************************!*\
  !*** ./node_modules/@angular/router/__ivy_ngcc__/fesm2015/router.js ***!
  \**********************************************************************/
/***/ ((__unused_webpack_module, __webpack_exports__, __webpack_require__) => {

"use strict";
__webpack_require__.r(__webpack_exports__);
/* harmony export */ __webpack_require__.d(__webpack_exports__, {
/* harmony export */   "ActivatedRoute": () => (/* binding */ ActivatedRoute),
/* harmony export */   "ActivatedRouteSnapshot": () => (/* binding */ ActivatedRouteSnapshot),
/* harmony export */   "ActivationEnd": () => (/* binding */ ActivationEnd),
/* harmony export */   "ActivationStart": () => (/* binding */ ActivationStart),
/* harmony export */   "BaseRouteReuseStrategy": () => (/* binding */ BaseRouteReuseStrategy),
/* harmony export */   "ChildActivationEnd": () => (/* binding */ ChildActivationEnd),
/* harmony export */   "ChildActivationStart": () => (/* binding */ ChildActivationStart),
/* harmony export */   "ChildrenOutletContexts": () => (/* binding */ ChildrenOutletContexts),
/* harmony export */   "DefaultUrlSerializer": () => (/* binding */ DefaultUrlSerializer),
/* harmony export */   "GuardsCheckEnd": () => (/* binding */ GuardsCheckEnd),
/* harmony export */   "GuardsCheckStart": () => (/* binding */ GuardsCheckStart),
/* harmony export */   "NavigationCancel": () => (/* binding */ NavigationCancel),
/* harmony export */   "NavigationEnd": () => (/* binding */ NavigationEnd),
/* harmony export */   "NavigationError": () => (/* binding */ NavigationError),
/* harmony export */   "NavigationStart": () => (/* binding */ NavigationStart),
/* harmony export */   "NoPreloading": () => (/* binding */ NoPreloading),
/* harmony export */   "OutletContext": () => (/* binding */ OutletContext),
/* harmony export */   "PRIMARY_OUTLET": () => (/* binding */ PRIMARY_OUTLET),
/* harmony export */   "PreloadAllModules": () => (/* binding */ PreloadAllModules),
/* harmony export */   "PreloadingStrategy": () => (/* binding */ PreloadingStrategy),
/* harmony export */   "ROUTER_CONFIGURATION": () => (/* binding */ ROUTER_CONFIGURATION),
/* harmony export */   "ROUTER_INITIALIZER": () => (/* binding */ ROUTER_INITIALIZER),
/* harmony export */   "ROUTES": () => (/* binding */ ROUTES),
/* harmony export */   "ResolveEnd": () => (/* binding */ ResolveEnd),
/* harmony export */   "ResolveStart": () => (/* binding */ ResolveStart),
/* harmony export */   "RouteConfigLoadEnd": () => (/* binding */ RouteConfigLoadEnd),
/* harmony export */   "RouteConfigLoadStart": () => (/* binding */ RouteConfigLoadStart),
/* harmony export */   "RouteReuseStrategy": () => (/* binding */ RouteReuseStrategy),
/* harmony export */   "Router": () => (/* binding */ Router),
/* harmony export */   "RouterEvent": () => (/* binding */ RouterEvent),
/* harmony export */   "RouterLink": () => (/* binding */ RouterLink),
/* harmony export */   "RouterLinkActive": () => (/* binding */ RouterLinkActive),
/* harmony export */   "RouterLinkWithHref": () => (/* binding */ RouterLinkWithHref),
/* harmony export */   "RouterModule": () => (/* binding */ RouterModule),
/* harmony export */   "RouterOutlet": () => (/* binding */ RouterOutlet),
/* harmony export */   "RouterPreloader": () => (/* binding */ RouterPreloader),
/* harmony export */   "RouterState": () => (/* binding */ RouterState),
/* harmony export */   "RouterStateSnapshot": () => (/* binding */ RouterStateSnapshot),
/* harmony export */   "RoutesRecognized": () => (/* binding */ RoutesRecognized),
/* harmony export */   "Scroll": () => (/* binding */ Scroll),
/* harmony export */   "UrlHandlingStrategy": () => (/* binding */ UrlHandlingStrategy),
/* harmony export */   "UrlSegment": () => (/* binding */ UrlSegment),
/* harmony export */   "UrlSegmentGroup": () => (/* binding */ UrlSegmentGroup),
/* harmony export */   "UrlSerializer": () => (/* binding */ UrlSerializer),
/* harmony export */   "UrlTree": () => (/* binding */ UrlTree),
/* harmony export */   "VERSION": () => (/* binding */ VERSION),
/* harmony export */   "convertToParamMap": () => (/* binding */ convertToParamMap),
/* harmony export */   "provideRoutes": () => (/* binding */ provideRoutes),
/* harmony export */   "ɵEmptyOutletComponent": () => (/* binding */ ɵEmptyOutletComponent),
/* harmony export */   "ɵROUTER_PROVIDERS": () => (/* binding */ ROUTER_PROVIDERS),
/* harmony export */   "ɵangular_packages_router_router_a": () => (/* binding */ ROUTER_FORROOT_GUARD),
/* harmony export */   "ɵangular_packages_router_router_b": () => (/* binding */ routerNgProbeToken),
/* harmony export */   "ɵangular_packages_router_router_c": () => (/* binding */ createRouterScroller),
/* harmony export */   "ɵangular_packages_router_router_d": () => (/* binding */ provideLocationStrategy),
/* harmony export */   "ɵangular_packages_router_router_e": () => (/* binding */ provideForRootGuard),
/* harmony export */   "ɵangular_packages_router_router_f": () => (/* binding */ setupRouter),
/* harmony export */   "ɵangular_packages_router_router_g": () => (/* binding */ rootRoute),
/* harmony export */   "ɵangular_packages_router_router_h": () => (/* binding */ RouterInitializer),
/* harmony export */   "ɵangular_packages_router_router_i": () => (/* binding */ getAppInitializer),
/* harmony export */   "ɵangular_packages_router_router_j": () => (/* binding */ getBootstrapListener),
/* harmony export */   "ɵangular_packages_router_router_k": () => (/* binding */ provideRouterInitializer),
/* harmony export */   "ɵangular_packages_router_router_l": () => (/* binding */ ɵEmptyOutletComponent),
/* harmony export */   "ɵangular_packages_router_router_m": () => (/* binding */ Tree),
/* harmony export */   "ɵangular_packages_router_router_n": () => (/* binding */ TreeNode),
/* harmony export */   "ɵangular_packages_router_router_o": () => (/* binding */ RouterScroller),
/* harmony export */   "ɵassignExtraOptionsToRouter": () => (/* binding */ assignExtraOptionsToRouter),
/* harmony export */   "ɵflatten": () => (/* binding */ flatten)
/* harmony export */ });
/* harmony import */ var _angular_common__WEBPACK_IMPORTED_MODULE_27__ = __webpack_require__(/*! @angular/common */ 8583);
/* harmony import */ var _angular_core__WEBPACK_IMPORTED_MODULE_0__ = __webpack_require__(/*! @angular/core */ 7716);
/* harmony import */ var rxjs__WEBPACK_IMPORTED_MODULE_1__ = __webpack_require__(/*! rxjs */ 9412);
/* harmony import */ var rxjs__WEBPACK_IMPORTED_MODULE_2__ = __webpack_require__(/*! rxjs */ 5917);
/* harmony import */ var rxjs__WEBPACK_IMPORTED_MODULE_3__ = __webpack_require__(/*! rxjs */ 6215);
/* harmony import */ var rxjs__WEBPACK_IMPORTED_MODULE_6__ = __webpack_require__(/*! rxjs */ 9112);
/* harmony import */ var rxjs__WEBPACK_IMPORTED_MODULE_11__ = __webpack_require__(/*! rxjs */ 9165);
/* harmony import */ var rxjs__WEBPACK_IMPORTED_MODULE_16__ = __webpack_require__(/*! rxjs */ 3410);
/* harmony import */ var rxjs__WEBPACK_IMPORTED_MODULE_19__ = __webpack_require__(/*! rxjs */ 9923);
/* harmony import */ var rxjs__WEBPACK_IMPORTED_MODULE_20__ = __webpack_require__(/*! rxjs */ 1439);
/* harmony import */ var rxjs__WEBPACK_IMPORTED_MODULE_22__ = __webpack_require__(/*! rxjs */ 9193);
/* harmony import */ var rxjs__WEBPACK_IMPORTED_MODULE_23__ = __webpack_require__(/*! rxjs */ 2441);
/* harmony import */ var rxjs__WEBPACK_IMPORTED_MODULE_24__ = __webpack_require__(/*! rxjs */ 9765);
/* harmony import */ var rxjs_operators__WEBPACK_IMPORTED_MODULE_4__ = __webpack_require__(/*! rxjs/operators */ 8002);
/* harmony import */ var rxjs_operators__WEBPACK_IMPORTED_MODULE_5__ = __webpack_require__(/*! rxjs/operators */ 3190);
/* harmony import */ var rxjs_operators__WEBPACK_IMPORTED_MODULE_7__ = __webpack_require__(/*! rxjs/operators */ 5257);
/* harmony import */ var rxjs_operators__WEBPACK_IMPORTED_MODULE_8__ = __webpack_require__(/*! rxjs/operators */ 9761);
/* harmony import */ var rxjs_operators__WEBPACK_IMPORTED_MODULE_9__ = __webpack_require__(/*! rxjs/operators */ 2145);
/* harmony import */ var rxjs_operators__WEBPACK_IMPORTED_MODULE_10__ = __webpack_require__(/*! rxjs/operators */ 5435);
/* harmony import */ var rxjs_operators__WEBPACK_IMPORTED_MODULE_12__ = __webpack_require__(/*! rxjs/operators */ 5304);
/* harmony import */ var rxjs_operators__WEBPACK_IMPORTED_MODULE_13__ = __webpack_require__(/*! rxjs/operators */ 4612);
/* harmony import */ var rxjs_operators__WEBPACK_IMPORTED_MODULE_14__ = __webpack_require__(/*! rxjs/operators */ 2627);
/* harmony import */ var rxjs_operators__WEBPACK_IMPORTED_MODULE_15__ = __webpack_require__(/*! rxjs/operators */ 8049);
/* harmony import */ var rxjs_operators__WEBPACK_IMPORTED_MODULE_17__ = __webpack_require__(/*! rxjs/operators */ 9773);
/* harmony import */ var rxjs_operators__WEBPACK_IMPORTED_MODULE_18__ = __webpack_require__(/*! rxjs/operators */ 8307);
/* harmony import */ var rxjs_operators__WEBPACK_IMPORTED_MODULE_21__ = __webpack_require__(/*! rxjs/operators */ 548);
/* harmony import */ var rxjs_operators__WEBPACK_IMPORTED_MODULE_25__ = __webpack_require__(/*! rxjs/operators */ 1307);
/* harmony import */ var rxjs_operators__WEBPACK_IMPORTED_MODULE_26__ = __webpack_require__(/*! rxjs/operators */ 8939);
/* harmony import */ var rxjs_operators__WEBPACK_IMPORTED_MODULE_28__ = __webpack_require__(/*! rxjs/operators */ 3282);
/**
 * @license Angular v12.1.5
 * (c) 2010-2021 Google LLC. https://angular.io/
 * License: MIT
 */






/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
/**
 * Base for events the router goes through, as opposed to events tied to a specific
 * route. Fired one time for any given navigation.
 *
 * The following code shows how a class subscribes to router events.
 *
 * ```ts
 * import {Event, RouterEvent, Router} from '@angular/router';
 *
 * class MyService {
 *   constructor(public router: Router) {
 *     router.events.pipe(
 *        filter((e: Event): e is RouterEvent => e instanceof RouterEvent)
 *     ).subscribe((e: RouterEvent) => {
 *       // Do something
 *     });
 *   }
 * }
 * ```
 *
 * @see `Event`
 * @see [Router events summary](guide/router-reference#router-events)
 * @publicApi
 */


class RouterEvent {
    constructor(
    /** A unique ID that the router assigns to every router navigation. */
    id, 
    /** The URL that is the destination for this navigation. */
    url) {
        this.id = id;
        this.url = url;
    }
}
/**
 * An event triggered when a navigation starts.
 *
 * @publicApi
 */
class NavigationStart extends RouterEvent {
    constructor(
    /** @docsNotRequired */
    id, 
    /** @docsNotRequired */
    url, 
    /** @docsNotRequired */
    navigationTrigger = 'imperative', 
    /** @docsNotRequired */
    restoredState = null) {
        super(id, url);
        this.navigationTrigger = navigationTrigger;
        this.restoredState = restoredState;
    }
    /** @docsNotRequired */
    toString() {
        return `NavigationStart(id: ${this.id}, url: '${this.url}')`;
    }
}
/**
 * An event triggered when a navigation ends successfully.
 *
 * @see `NavigationStart`
 * @see `NavigationCancel`
 * @see `NavigationError`
 *
 * @publicApi
 */
class NavigationEnd extends RouterEvent {
    constructor(
    /** @docsNotRequired */
    id, 
    /** @docsNotRequired */
    url, 
    /** @docsNotRequired */
    urlAfterRedirects) {
        super(id, url);
        this.urlAfterRedirects = urlAfterRedirects;
    }
    /** @docsNotRequired */
    toString() {
        return `NavigationEnd(id: ${this.id}, url: '${this.url}', urlAfterRedirects: '${this.urlAfterRedirects}')`;
    }
}
/**
 * An event triggered when a navigation is canceled, directly or indirectly.
 * This can happen for several reasons including when a route guard
 * returns `false` or initiates a redirect by returning a `UrlTree`.
 *
 * @see `NavigationStart`
 * @see `NavigationEnd`
 * @see `NavigationError`
 *
 * @publicApi
 */
class NavigationCancel extends RouterEvent {
    constructor(
    /** @docsNotRequired */
    id, 
    /** @docsNotRequired */
    url, 
    /** @docsNotRequired */
    reason) {
        super(id, url);
        this.reason = reason;
    }
    /** @docsNotRequired */
    toString() {
        return `NavigationCancel(id: ${this.id}, url: '${this.url}')`;
    }
}
/**
 * An event triggered when a navigation fails due to an unexpected error.
 *
 * @see `NavigationStart`
 * @see `NavigationEnd`
 * @see `NavigationCancel`
 *
 * @publicApi
 */
class NavigationError extends RouterEvent {
    constructor(
    /** @docsNotRequired */
    id, 
    /** @docsNotRequired */
    url, 
    /** @docsNotRequired */
    error) {
        super(id, url);
        this.error = error;
    }
    /** @docsNotRequired */
    toString() {
        return `NavigationError(id: ${this.id}, url: '${this.url}', error: ${this.error})`;
    }
}
/**
 * An event triggered when routes are recognized.
 *
 * @publicApi
 */
class RoutesRecognized extends RouterEvent {
    constructor(
    /** @docsNotRequired */
    id, 
    /** @docsNotRequired */
    url, 
    /** @docsNotRequired */
    urlAfterRedirects, 
    /** @docsNotRequired */
    state) {
        super(id, url);
        this.urlAfterRedirects = urlAfterRedirects;
        this.state = state;
    }
    /** @docsNotRequired */
    toString() {
        return `RoutesRecognized(id: ${this.id}, url: '${this.url}', urlAfterRedirects: '${this.urlAfterRedirects}', state: ${this.state})`;
    }
}
/**
 * An event triggered at the start of the Guard phase of routing.
 *
 * @see `GuardsCheckEnd`
 *
 * @publicApi
 */
class GuardsCheckStart extends RouterEvent {
    constructor(
    /** @docsNotRequired */
    id, 
    /** @docsNotRequired */
    url, 
    /** @docsNotRequired */
    urlAfterRedirects, 
    /** @docsNotRequired */
    state) {
        super(id, url);
        this.urlAfterRedirects = urlAfterRedirects;
        this.state = state;
    }
    toString() {
        return `GuardsCheckStart(id: ${this.id}, url: '${this.url}', urlAfterRedirects: '${this.urlAfterRedirects}', state: ${this.state})`;
    }
}
/**
 * An event triggered at the end of the Guard phase of routing.
 *
 * @see `GuardsCheckStart`
 *
 * @publicApi
 */
class GuardsCheckEnd extends RouterEvent {
    constructor(
    /** @docsNotRequired */
    id, 
    /** @docsNotRequired */
    url, 
    /** @docsNotRequired */
    urlAfterRedirects, 
    /** @docsNotRequired */
    state, 
    /** @docsNotRequired */
    shouldActivate) {
        super(id, url);
        this.urlAfterRedirects = urlAfterRedirects;
        this.state = state;
        this.shouldActivate = shouldActivate;
    }
    toString() {
        return `GuardsCheckEnd(id: ${this.id}, url: '${this.url}', urlAfterRedirects: '${this.urlAfterRedirects}', state: ${this.state}, shouldActivate: ${this.shouldActivate})`;
    }
}
/**
 * An event triggered at the start of the Resolve phase of routing.
 *
 * Runs in the "resolve" phase whether or not there is anything to resolve.
 * In future, may change to only run when there are things to be resolved.
 *
 * @see `ResolveEnd`
 *
 * @publicApi
 */
class ResolveStart extends RouterEvent {
    constructor(
    /** @docsNotRequired */
    id, 
    /** @docsNotRequired */
    url, 
    /** @docsNotRequired */
    urlAfterRedirects, 
    /** @docsNotRequired */
    state) {
        super(id, url);
        this.urlAfterRedirects = urlAfterRedirects;
        this.state = state;
    }
    toString() {
        return `ResolveStart(id: ${this.id}, url: '${this.url}', urlAfterRedirects: '${this.urlAfterRedirects}', state: ${this.state})`;
    }
}
/**
 * An event triggered at the end of the Resolve phase of routing.
 * @see `ResolveStart`.
 *
 * @publicApi
 */
class ResolveEnd extends RouterEvent {
    constructor(
    /** @docsNotRequired */
    id, 
    /** @docsNotRequired */
    url, 
    /** @docsNotRequired */
    urlAfterRedirects, 
    /** @docsNotRequired */
    state) {
        super(id, url);
        this.urlAfterRedirects = urlAfterRedirects;
        this.state = state;
    }
    toString() {
        return `ResolveEnd(id: ${this.id}, url: '${this.url}', urlAfterRedirects: '${this.urlAfterRedirects}', state: ${this.state})`;
    }
}
/**
 * An event triggered before lazy loading a route configuration.
 *
 * @see `RouteConfigLoadEnd`
 *
 * @publicApi
 */
class RouteConfigLoadStart {
    constructor(
    /** @docsNotRequired */
    route) {
        this.route = route;
    }
    toString() {
        return `RouteConfigLoadStart(path: ${this.route.path})`;
    }
}
/**
 * An event triggered when a route has been lazy loaded.
 *
 * @see `RouteConfigLoadStart`
 *
 * @publicApi
 */
class RouteConfigLoadEnd {
    constructor(
    /** @docsNotRequired */
    route) {
        this.route = route;
    }
    toString() {
        return `RouteConfigLoadEnd(path: ${this.route.path})`;
    }
}
/**
 * An event triggered at the start of the child-activation
 * part of the Resolve phase of routing.
 * @see  `ChildActivationEnd`
 * @see `ResolveStart`
 *
 * @publicApi
 */
class ChildActivationStart {
    constructor(
    /** @docsNotRequired */
    snapshot) {
        this.snapshot = snapshot;
    }
    toString() {
        const path = this.snapshot.routeConfig && this.snapshot.routeConfig.path || '';
        return `ChildActivationStart(path: '${path}')`;
    }
}
/**
 * An event triggered at the end of the child-activation part
 * of the Resolve phase of routing.
 * @see `ChildActivationStart`
 * @see `ResolveStart`
 * @publicApi
 */
class ChildActivationEnd {
    constructor(
    /** @docsNotRequired */
    snapshot) {
        this.snapshot = snapshot;
    }
    toString() {
        const path = this.snapshot.routeConfig && this.snapshot.routeConfig.path || '';
        return `ChildActivationEnd(path: '${path}')`;
    }
}
/**
 * An event triggered at the start of the activation part
 * of the Resolve phase of routing.
 * @see `ActivationEnd`
 * @see `ResolveStart`
 *
 * @publicApi
 */
class ActivationStart {
    constructor(
    /** @docsNotRequired */
    snapshot) {
        this.snapshot = snapshot;
    }
    toString() {
        const path = this.snapshot.routeConfig && this.snapshot.routeConfig.path || '';
        return `ActivationStart(path: '${path}')`;
    }
}
/**
 * An event triggered at the end of the activation part
 * of the Resolve phase of routing.
 * @see `ActivationStart`
 * @see `ResolveStart`
 *
 * @publicApi
 */
class ActivationEnd {
    constructor(
    /** @docsNotRequired */
    snapshot) {
        this.snapshot = snapshot;
    }
    toString() {
        const path = this.snapshot.routeConfig && this.snapshot.routeConfig.path || '';
        return `ActivationEnd(path: '${path}')`;
    }
}
/**
 * An event triggered by scrolling.
 *
 * @publicApi
 */
class Scroll {
    constructor(
    /** @docsNotRequired */
    routerEvent, 
    /** @docsNotRequired */
    position, 
    /** @docsNotRequired */
    anchor) {
        this.routerEvent = routerEvent;
        this.position = position;
        this.anchor = anchor;
    }
    toString() {
        const pos = this.position ? `${this.position[0]}, ${this.position[1]}` : null;
        return `Scroll(anchor: '${this.anchor}', position: '${pos}')`;
    }
}

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
/**
 * The primary routing outlet.
 *
 * @publicApi
 */
const PRIMARY_OUTLET = 'primary';
class ParamsAsMap {
    constructor(params) {
        this.params = params || {};
    }
    has(name) {
        return Object.prototype.hasOwnProperty.call(this.params, name);
    }
    get(name) {
        if (this.has(name)) {
            const v = this.params[name];
            return Array.isArray(v) ? v[0] : v;
        }
        return null;
    }
    getAll(name) {
        if (this.has(name)) {
            const v = this.params[name];
            return Array.isArray(v) ? v : [v];
        }
        return [];
    }
    get keys() {
        return Object.keys(this.params);
    }
}
/**
 * Converts a `Params` instance to a `ParamMap`.
 * @param params The instance to convert.
 * @returns The new map instance.
 *
 * @publicApi
 */
function convertToParamMap(params) {
    return new ParamsAsMap(params);
}
const NAVIGATION_CANCELING_ERROR = 'ngNavigationCancelingError';
function navigationCancelingError(message) {
    const error = Error('NavigationCancelingError: ' + message);
    error[NAVIGATION_CANCELING_ERROR] = true;
    return error;
}
function isNavigationCancelingError(error) {
    return error && error[NAVIGATION_CANCELING_ERROR];
}
// Matches the route configuration (`route`) against the actual URL (`segments`).
function defaultUrlMatcher(segments, segmentGroup, route) {
    const parts = route.path.split('/');
    if (parts.length > segments.length) {
        // The actual URL is shorter than the config, no match
        return null;
    }
    if (route.pathMatch === 'full' &&
        (segmentGroup.hasChildren() || parts.length < segments.length)) {
        // The config is longer than the actual URL but we are looking for a full match, return null
        return null;
    }
    const posParams = {};
    // Check each config part against the actual URL
    for (let index = 0; index < parts.length; index++) {
        const part = parts[index];
        const segment = segments[index];
        const isParameter = part.startsWith(':');
        if (isParameter) {
            posParams[part.substring(1)] = segment;
        }
        else if (part !== segment.path) {
            // The actual URL part does not match the config, no match
            return null;
        }
    }
    return { consumed: segments.slice(0, parts.length), posParams };
}

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
function shallowEqualArrays(a, b) {
    if (a.length !== b.length)
        return false;
    for (let i = 0; i < a.length; ++i) {
        if (!shallowEqual(a[i], b[i]))
            return false;
    }
    return true;
}
function shallowEqual(a, b) {
    // While `undefined` should never be possible, it would sometimes be the case in IE 11
    // and pre-chromium Edge. The check below accounts for this edge case.
    const k1 = a ? Object.keys(a) : undefined;
    const k2 = b ? Object.keys(b) : undefined;
    if (!k1 || !k2 || k1.length != k2.length) {
        return false;
    }
    let key;
    for (let i = 0; i < k1.length; i++) {
        key = k1[i];
        if (!equalArraysOrString(a[key], b[key])) {
            return false;
        }
    }
    return true;
}
/**
 * Test equality for arrays of strings or a string.
 */
function equalArraysOrString(a, b) {
    if (Array.isArray(a) && Array.isArray(b)) {
        if (a.length !== b.length)
            return false;
        const aSorted = [...a].sort();
        const bSorted = [...b].sort();
        return aSorted.every((val, index) => bSorted[index] === val);
    }
    else {
        return a === b;
    }
}
/**
 * Flattens single-level nested arrays.
 */
function flatten(arr) {
    return Array.prototype.concat.apply([], arr);
}
/**
 * Return the last element of an array.
 */
function last(a) {
    return a.length > 0 ? a[a.length - 1] : null;
}
/**
 * Verifys all booleans in an array are `true`.
 */
function and(bools) {
    return !bools.some(v => !v);
}
function forEach(map, callback) {
    for (const prop in map) {
        if (map.hasOwnProperty(prop)) {
            callback(map[prop], prop);
        }
    }
}
function wrapIntoObservable(value) {
    if ((0,_angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵisObservable"])(value)) {
        return value;
    }
    if ((0,_angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵisPromise"])(value)) {
        // Use `Promise.resolve()` to wrap promise-like instances.
        // Required ie when a Resolver returns a AngularJS `$q` promise to correctly trigger the
        // change detection.
        return (0,rxjs__WEBPACK_IMPORTED_MODULE_1__.from)(Promise.resolve(value));
    }
    return (0,rxjs__WEBPACK_IMPORTED_MODULE_2__.of)(value);
}

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
function createEmptyUrlTree() {
    return new UrlTree(new UrlSegmentGroup([], {}), {}, null);
}
const pathCompareMap = {
    'exact': equalSegmentGroups,
    'subset': containsSegmentGroup,
};
const paramCompareMap = {
    'exact': equalParams,
    'subset': containsParams,
    'ignored': () => true,
};
function containsTree(container, containee, options) {
    return pathCompareMap[options.paths](container.root, containee.root, options.matrixParams) &&
        paramCompareMap[options.queryParams](container.queryParams, containee.queryParams) &&
        !(options.fragment === 'exact' && container.fragment !== containee.fragment);
}
function equalParams(container, containee) {
    // TODO: This does not handle array params correctly.
    return shallowEqual(container, containee);
}
function equalSegmentGroups(container, containee, matrixParams) {
    if (!equalPath(container.segments, containee.segments))
        return false;
    if (!matrixParamsMatch(container.segments, containee.segments, matrixParams)) {
        return false;
    }
    if (container.numberOfChildren !== containee.numberOfChildren)
        return false;
    for (const c in containee.children) {
        if (!container.children[c])
            return false;
        if (!equalSegmentGroups(container.children[c], containee.children[c], matrixParams))
            return false;
    }
    return true;
}
function containsParams(container, containee) {
    return Object.keys(containee).length <= Object.keys(container).length &&
        Object.keys(containee).every(key => equalArraysOrString(container[key], containee[key]));
}
function containsSegmentGroup(container, containee, matrixParams) {
    return containsSegmentGroupHelper(container, containee, containee.segments, matrixParams);
}
function containsSegmentGroupHelper(container, containee, containeePaths, matrixParams) {
    if (container.segments.length > containeePaths.length) {
        const current = container.segments.slice(0, containeePaths.length);
        if (!equalPath(current, containeePaths))
            return false;
        if (containee.hasChildren())
            return false;
        if (!matrixParamsMatch(current, containeePaths, matrixParams))
            return false;
        return true;
    }
    else if (container.segments.length === containeePaths.length) {
        if (!equalPath(container.segments, containeePaths))
            return false;
        if (!matrixParamsMatch(container.segments, containeePaths, matrixParams))
            return false;
        for (const c in containee.children) {
            if (!container.children[c])
                return false;
            if (!containsSegmentGroup(container.children[c], containee.children[c], matrixParams)) {
                return false;
            }
        }
        return true;
    }
    else {
        const current = containeePaths.slice(0, container.segments.length);
        const next = containeePaths.slice(container.segments.length);
        if (!equalPath(container.segments, current))
            return false;
        if (!matrixParamsMatch(container.segments, current, matrixParams))
            return false;
        if (!container.children[PRIMARY_OUTLET])
            return false;
        return containsSegmentGroupHelper(container.children[PRIMARY_OUTLET], containee, next, matrixParams);
    }
}
function matrixParamsMatch(containerPaths, containeePaths, options) {
    return containeePaths.every((containeeSegment, i) => {
        return paramCompareMap[options](containerPaths[i].parameters, containeeSegment.parameters);
    });
}
/**
 * @description
 *
 * Represents the parsed URL.
 *
 * Since a router state is a tree, and the URL is nothing but a serialized state, the URL is a
 * serialized tree.
 * UrlTree is a data structure that provides a lot of affordances in dealing with URLs
 *
 * @usageNotes
 * ### Example
 *
 * ```
 * @Component({templateUrl:'template.html'})
 * class MyComponent {
 *   constructor(router: Router) {
 *     const tree: UrlTree =
 *       router.parseUrl('/team/33/(user/victor//support:help)?debug=true#fragment');
 *     const f = tree.fragment; // return 'fragment'
 *     const q = tree.queryParams; // returns {debug: 'true'}
 *     const g: UrlSegmentGroup = tree.root.children[PRIMARY_OUTLET];
 *     const s: UrlSegment[] = g.segments; // returns 2 segments 'team' and '33'
 *     g.children[PRIMARY_OUTLET].segments; // returns 2 segments 'user' and 'victor'
 *     g.children['support'].segments; // return 1 segment 'help'
 *   }
 * }
 * ```
 *
 * @publicApi
 */
class UrlTree {
    /** @internal */
    constructor(
    /** The root segment group of the URL tree */
    root, 
    /** The query params of the URL */
    queryParams, 
    /** The fragment of the URL */
    fragment) {
        this.root = root;
        this.queryParams = queryParams;
        this.fragment = fragment;
    }
    get queryParamMap() {
        if (!this._queryParamMap) {
            this._queryParamMap = convertToParamMap(this.queryParams);
        }
        return this._queryParamMap;
    }
    /** @docsNotRequired */
    toString() {
        return DEFAULT_SERIALIZER.serialize(this);
    }
}
/**
 * @description
 *
 * Represents the parsed URL segment group.
 *
 * See `UrlTree` for more information.
 *
 * @publicApi
 */
class UrlSegmentGroup {
    constructor(
    /** The URL segments of this group. See `UrlSegment` for more information */
    segments, 
    /** The list of children of this group */
    children) {
        this.segments = segments;
        this.children = children;
        /** The parent node in the url tree */
        this.parent = null;
        forEach(children, (v, k) => v.parent = this);
    }
    /** Whether the segment has child segments */
    hasChildren() {
        return this.numberOfChildren > 0;
    }
    /** Number of child segments */
    get numberOfChildren() {
        return Object.keys(this.children).length;
    }
    /** @docsNotRequired */
    toString() {
        return serializePaths(this);
    }
}
/**
 * @description
 *
 * Represents a single URL segment.
 *
 * A UrlSegment is a part of a URL between the two slashes. It contains a path and the matrix
 * parameters associated with the segment.
 *
 * @usageNotes
 * ### Example
 *
 * ```
 * @Component({templateUrl:'template.html'})
 * class MyComponent {
 *   constructor(router: Router) {
 *     const tree: UrlTree = router.parseUrl('/team;id=33');
 *     const g: UrlSegmentGroup = tree.root.children[PRIMARY_OUTLET];
 *     const s: UrlSegment[] = g.segments;
 *     s[0].path; // returns 'team'
 *     s[0].parameters; // returns {id: 33}
 *   }
 * }
 * ```
 *
 * @publicApi
 */
class UrlSegment {
    constructor(
    /** The path part of a URL segment */
    path, 
    /** The matrix parameters associated with a segment */
    parameters) {
        this.path = path;
        this.parameters = parameters;
    }
    get parameterMap() {
        if (!this._parameterMap) {
            this._parameterMap = convertToParamMap(this.parameters);
        }
        return this._parameterMap;
    }
    /** @docsNotRequired */
    toString() {
        return serializePath(this);
    }
}
function equalSegments(as, bs) {
    return equalPath(as, bs) && as.every((a, i) => shallowEqual(a.parameters, bs[i].parameters));
}
function equalPath(as, bs) {
    if (as.length !== bs.length)
        return false;
    return as.every((a, i) => a.path === bs[i].path);
}
function mapChildrenIntoArray(segment, fn) {
    let res = [];
    forEach(segment.children, (child, childOutlet) => {
        if (childOutlet === PRIMARY_OUTLET) {
            res = res.concat(fn(child, childOutlet));
        }
    });
    forEach(segment.children, (child, childOutlet) => {
        if (childOutlet !== PRIMARY_OUTLET) {
            res = res.concat(fn(child, childOutlet));
        }
    });
    return res;
}
/**
 * @description
 *
 * Serializes and deserializes a URL string into a URL tree.
 *
 * The url serialization strategy is customizable. You can
 * make all URLs case insensitive by providing a custom UrlSerializer.
 *
 * See `DefaultUrlSerializer` for an example of a URL serializer.
 *
 * @publicApi
 */
class UrlSerializer {
}
/**
 * @description
 *
 * A default implementation of the `UrlSerializer`.
 *
 * Example URLs:
 *
 * ```
 * /inbox/33(popup:compose)
 * /inbox/33;open=true/messages/44
 * ```
 *
 * DefaultUrlSerializer uses parentheses to serialize secondary segments (e.g., popup:compose), the
 * colon syntax to specify the outlet, and the ';parameter=value' syntax (e.g., open=true) to
 * specify route specific parameters.
 *
 * @publicApi
 */
class DefaultUrlSerializer {
    /** Parses a url into a `UrlTree` */
    parse(url) {
        const p = new UrlParser(url);
        return new UrlTree(p.parseRootSegment(), p.parseQueryParams(), p.parseFragment());
    }
    /** Converts a `UrlTree` into a url */
    serialize(tree) {
        const segment = `/${serializeSegment(tree.root, true)}`;
        const query = serializeQueryParams(tree.queryParams);
        const fragment = typeof tree.fragment === `string` ? `#${encodeUriFragment(tree.fragment)}` : '';
        return `${segment}${query}${fragment}`;
    }
}
const DEFAULT_SERIALIZER = new DefaultUrlSerializer();
function serializePaths(segment) {
    return segment.segments.map(p => serializePath(p)).join('/');
}
function serializeSegment(segment, root) {
    if (!segment.hasChildren()) {
        return serializePaths(segment);
    }
    if (root) {
        const primary = segment.children[PRIMARY_OUTLET] ?
            serializeSegment(segment.children[PRIMARY_OUTLET], false) :
            '';
        const children = [];
        forEach(segment.children, (v, k) => {
            if (k !== PRIMARY_OUTLET) {
                children.push(`${k}:${serializeSegment(v, false)}`);
            }
        });
        return children.length > 0 ? `${primary}(${children.join('//')})` : primary;
    }
    else {
        const children = mapChildrenIntoArray(segment, (v, k) => {
            if (k === PRIMARY_OUTLET) {
                return [serializeSegment(segment.children[PRIMARY_OUTLET], false)];
            }
            return [`${k}:${serializeSegment(v, false)}`];
        });
        // use no parenthesis if the only child is a primary outlet route
        if (Object.keys(segment.children).length === 1 && segment.children[PRIMARY_OUTLET] != null) {
            return `${serializePaths(segment)}/${children[0]}`;
        }
        return `${serializePaths(segment)}/(${children.join('//')})`;
    }
}
/**
 * Encodes a URI string with the default encoding. This function will only ever be called from
 * `encodeUriQuery` or `encodeUriSegment` as it's the base set of encodings to be used. We need
 * a custom encoding because encodeURIComponent is too aggressive and encodes stuff that doesn't
 * have to be encoded per https://url.spec.whatwg.org.
 */
function encodeUriString(s) {
    return encodeURIComponent(s)
        .replace(/%40/g, '@')
        .replace(/%3A/gi, ':')
        .replace(/%24/g, '$')
        .replace(/%2C/gi, ',');
}
/**
 * This function should be used to encode both keys and values in a query string key/value. In
 * the following URL, you need to call encodeUriQuery on "k" and "v":
 *
 * http://www.site.org/html;mk=mv?k=v#f
 */
function encodeUriQuery(s) {
    return encodeUriString(s).replace(/%3B/gi, ';');
}
/**
 * This function should be used to encode a URL fragment. In the following URL, you need to call
 * encodeUriFragment on "f":
 *
 * http://www.site.org/html;mk=mv?k=v#f
 */
function encodeUriFragment(s) {
    return encodeURI(s);
}
/**
 * This function should be run on any URI segment as well as the key and value in a key/value
 * pair for matrix params. In the following URL, you need to call encodeUriSegment on "html",
 * "mk", and "mv":
 *
 * http://www.site.org/html;mk=mv?k=v#f
 */
function encodeUriSegment(s) {
    return encodeUriString(s).replace(/\(/g, '%28').replace(/\)/g, '%29').replace(/%26/gi, '&');
}
function decode(s) {
    return decodeURIComponent(s);
}
// Query keys/values should have the "+" replaced first, as "+" in a query string is " ".
// decodeURIComponent function will not decode "+" as a space.
function decodeQuery(s) {
    return decode(s.replace(/\+/g, '%20'));
}
function serializePath(path) {
    return `${encodeUriSegment(path.path)}${serializeMatrixParams(path.parameters)}`;
}
function serializeMatrixParams(params) {
    return Object.keys(params)
        .map(key => `;${encodeUriSegment(key)}=${encodeUriSegment(params[key])}`)
        .join('');
}
function serializeQueryParams(params) {
    const strParams = Object.keys(params)
        .map((name) => {
        const value = params[name];
        return Array.isArray(value) ?
            value.map(v => `${encodeUriQuery(name)}=${encodeUriQuery(v)}`).join('&') :
            `${encodeUriQuery(name)}=${encodeUriQuery(value)}`;
    })
        .filter(s => !!s);
    return strParams.length ? `?${strParams.join('&')}` : '';
}
const SEGMENT_RE = /^[^\/()?;=#]+/;
function matchSegments(str) {
    const match = str.match(SEGMENT_RE);
    return match ? match[0] : '';
}
const QUERY_PARAM_RE = /^[^=?&#]+/;
// Return the name of the query param at the start of the string or an empty string
function matchQueryParams(str) {
    const match = str.match(QUERY_PARAM_RE);
    return match ? match[0] : '';
}
const QUERY_PARAM_VALUE_RE = /^[^?&#]+/;
// Return the value of the query param at the start of the string or an empty string
function matchUrlQueryParamValue(str) {
    const match = str.match(QUERY_PARAM_VALUE_RE);
    return match ? match[0] : '';
}
class UrlParser {
    constructor(url) {
        this.url = url;
        this.remaining = url;
    }
    parseRootSegment() {
        this.consumeOptional('/');
        if (this.remaining === '' || this.peekStartsWith('?') || this.peekStartsWith('#')) {
            return new UrlSegmentGroup([], {});
        }
        // The root segment group never has segments
        return new UrlSegmentGroup([], this.parseChildren());
    }
    parseQueryParams() {
        const params = {};
        if (this.consumeOptional('?')) {
            do {
                this.parseQueryParam(params);
            } while (this.consumeOptional('&'));
        }
        return params;
    }
    parseFragment() {
        return this.consumeOptional('#') ? decodeURIComponent(this.remaining) : null;
    }
    parseChildren() {
        if (this.remaining === '') {
            return {};
        }
        this.consumeOptional('/');
        const segments = [];
        if (!this.peekStartsWith('(')) {
            segments.push(this.parseSegment());
        }
        while (this.peekStartsWith('/') && !this.peekStartsWith('//') && !this.peekStartsWith('/(')) {
            this.capture('/');
            segments.push(this.parseSegment());
        }
        let children = {};
        if (this.peekStartsWith('/(')) {
            this.capture('/');
            children = this.parseParens(true);
        }
        let res = {};
        if (this.peekStartsWith('(')) {
            res = this.parseParens(false);
        }
        if (segments.length > 0 || Object.keys(children).length > 0) {
            res[PRIMARY_OUTLET] = new UrlSegmentGroup(segments, children);
        }
        return res;
    }
    // parse a segment with its matrix parameters
    // ie `name;k1=v1;k2`
    parseSegment() {
        const path = matchSegments(this.remaining);
        if (path === '' && this.peekStartsWith(';')) {
            throw new Error(`Empty path url segment cannot have parameters: '${this.remaining}'.`);
        }
        this.capture(path);
        return new UrlSegment(decode(path), this.parseMatrixParams());
    }
    parseMatrixParams() {
        const params = {};
        while (this.consumeOptional(';')) {
            this.parseParam(params);
        }
        return params;
    }
    parseParam(params) {
        const key = matchSegments(this.remaining);
        if (!key) {
            return;
        }
        this.capture(key);
        let value = '';
        if (this.consumeOptional('=')) {
            const valueMatch = matchSegments(this.remaining);
            if (valueMatch) {
                value = valueMatch;
                this.capture(value);
            }
        }
        params[decode(key)] = decode(value);
    }
    // Parse a single query parameter `name[=value]`
    parseQueryParam(params) {
        const key = matchQueryParams(this.remaining);
        if (!key) {
            return;
        }
        this.capture(key);
        let value = '';
        if (this.consumeOptional('=')) {
            const valueMatch = matchUrlQueryParamValue(this.remaining);
            if (valueMatch) {
                value = valueMatch;
                this.capture(value);
            }
        }
        const decodedKey = decodeQuery(key);
        const decodedVal = decodeQuery(value);
        if (params.hasOwnProperty(decodedKey)) {
            // Append to existing values
            let currentVal = params[decodedKey];
            if (!Array.isArray(currentVal)) {
                currentVal = [currentVal];
                params[decodedKey] = currentVal;
            }
            currentVal.push(decodedVal);
        }
        else {
            // Create a new value
            params[decodedKey] = decodedVal;
        }
    }
    // parse `(a/b//outlet_name:c/d)`
    parseParens(allowPrimary) {
        const segments = {};
        this.capture('(');
        while (!this.consumeOptional(')') && this.remaining.length > 0) {
            const path = matchSegments(this.remaining);
            const next = this.remaining[path.length];
            // if is is not one of these characters, then the segment was unescaped
            // or the group was not closed
            if (next !== '/' && next !== ')' && next !== ';') {
                throw new Error(`Cannot parse url '${this.url}'`);
            }
            let outletName = undefined;
            if (path.indexOf(':') > -1) {
                outletName = path.substr(0, path.indexOf(':'));
                this.capture(outletName);
                this.capture(':');
            }
            else if (allowPrimary) {
                outletName = PRIMARY_OUTLET;
            }
            const children = this.parseChildren();
            segments[outletName] = Object.keys(children).length === 1 ? children[PRIMARY_OUTLET] :
                new UrlSegmentGroup([], children);
            this.consumeOptional('//');
        }
        return segments;
    }
    peekStartsWith(str) {
        return this.remaining.startsWith(str);
    }
    // Consumes the prefix when it is present and returns whether it has been consumed
    consumeOptional(str) {
        if (this.peekStartsWith(str)) {
            this.remaining = this.remaining.substring(str.length);
            return true;
        }
        return false;
    }
    capture(str) {
        if (!this.consumeOptional(str)) {
            throw new Error(`Expected "${str}".`);
        }
    }
}

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
class Tree {
    constructor(root) {
        this._root = root;
    }
    get root() {
        return this._root.value;
    }
    /**
     * @internal
     */
    parent(t) {
        const p = this.pathFromRoot(t);
        return p.length > 1 ? p[p.length - 2] : null;
    }
    /**
     * @internal
     */
    children(t) {
        const n = findNode(t, this._root);
        return n ? n.children.map(t => t.value) : [];
    }
    /**
     * @internal
     */
    firstChild(t) {
        const n = findNode(t, this._root);
        return n && n.children.length > 0 ? n.children[0].value : null;
    }
    /**
     * @internal
     */
    siblings(t) {
        const p = findPath(t, this._root);
        if (p.length < 2)
            return [];
        const c = p[p.length - 2].children.map(c => c.value);
        return c.filter(cc => cc !== t);
    }
    /**
     * @internal
     */
    pathFromRoot(t) {
        return findPath(t, this._root).map(s => s.value);
    }
}
// DFS for the node matching the value
function findNode(value, node) {
    if (value === node.value)
        return node;
    for (const child of node.children) {
        const node = findNode(value, child);
        if (node)
            return node;
    }
    return null;
}
// Return the path to the node with the given value using DFS
function findPath(value, node) {
    if (value === node.value)
        return [node];
    for (const child of node.children) {
        const path = findPath(value, child);
        if (path.length) {
            path.unshift(node);
            return path;
        }
    }
    return [];
}
class TreeNode {
    constructor(value, children) {
        this.value = value;
        this.children = children;
    }
    toString() {
        return `TreeNode(${this.value})`;
    }
}
// Return the list of T indexed by outlet name
function nodeChildrenAsMap(node) {
    const map = {};
    if (node) {
        node.children.forEach(child => map[child.value.outlet] = child);
    }
    return map;
}

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
/**
 * Represents the state of the router as a tree of activated routes.
 *
 * @usageNotes
 *
 * Every node in the route tree is an `ActivatedRoute` instance
 * that knows about the "consumed" URL segments, the extracted parameters,
 * and the resolved data.
 * Use the `ActivatedRoute` properties to traverse the tree from any node.
 *
 * The following fragment shows how a component gets the root node
 * of the current state to establish its own route tree:
 *
 * ```
 * @Component({templateUrl:'template.html'})
 * class MyComponent {
 *   constructor(router: Router) {
 *     const state: RouterState = router.routerState;
 *     const root: ActivatedRoute = state.root;
 *     const child = root.firstChild;
 *     const id: Observable<string> = child.params.map(p => p.id);
 *     //...
 *   }
 * }
 * ```
 *
 * @see `ActivatedRoute`
 * @see [Getting route information](guide/router#getting-route-information)
 *
 * @publicApi
 */
class RouterState extends Tree {
    /** @internal */
    constructor(root, 
    /** The current snapshot of the router state */
    snapshot) {
        super(root);
        this.snapshot = snapshot;
        setRouterState(this, root);
    }
    toString() {
        return this.snapshot.toString();
    }
}
function createEmptyState(urlTree, rootComponent) {
    const snapshot = createEmptyStateSnapshot(urlTree, rootComponent);
    const emptyUrl = new rxjs__WEBPACK_IMPORTED_MODULE_3__.BehaviorSubject([new UrlSegment('', {})]);
    const emptyParams = new rxjs__WEBPACK_IMPORTED_MODULE_3__.BehaviorSubject({});
    const emptyData = new rxjs__WEBPACK_IMPORTED_MODULE_3__.BehaviorSubject({});
    const emptyQueryParams = new rxjs__WEBPACK_IMPORTED_MODULE_3__.BehaviorSubject({});
    const fragment = new rxjs__WEBPACK_IMPORTED_MODULE_3__.BehaviorSubject('');
    const activated = new ActivatedRoute(emptyUrl, emptyParams, emptyQueryParams, fragment, emptyData, PRIMARY_OUTLET, rootComponent, snapshot.root);
    activated.snapshot = snapshot.root;
    return new RouterState(new TreeNode(activated, []), snapshot);
}
function createEmptyStateSnapshot(urlTree, rootComponent) {
    const emptyParams = {};
    const emptyData = {};
    const emptyQueryParams = {};
    const fragment = '';
    const activated = new ActivatedRouteSnapshot([], emptyParams, emptyQueryParams, fragment, emptyData, PRIMARY_OUTLET, rootComponent, null, urlTree.root, -1, {});
    return new RouterStateSnapshot('', new TreeNode(activated, []));
}
/**
 * Provides access to information about a route associated with a component
 * that is loaded in an outlet.
 * Use to traverse the `RouterState` tree and extract information from nodes.
 *
 * The following example shows how to construct a component using information from a
 * currently activated route.
 *
 * Note: the observables in this class only emit when the current and previous values differ based
 * on shallow equality. For example, changing deeply nested properties in resolved `data` will not
 * cause the `ActivatedRoute.data` `Observable` to emit a new value.
 *
 * {@example router/activated-route/module.ts region="activated-route"
 *     header="activated-route.component.ts"}
 *
 * @see [Getting route information](guide/router#getting-route-information)
 *
 * @publicApi
 */
class ActivatedRoute {
    /** @internal */
    constructor(
    /** An observable of the URL segments matched by this route. */
    url, 
    /** An observable of the matrix parameters scoped to this route. */
    params, 
    /** An observable of the query parameters shared by all the routes. */
    queryParams, 
    /** An observable of the URL fragment shared by all the routes. */
    fragment, 
    /** An observable of the static and resolved data of this route. */
    data, 
    /** The outlet name of the route, a constant. */
    outlet, 
    /** The component of the route, a constant. */
    // TODO(vsavkin): remove |string
    component, futureSnapshot) {
        this.url = url;
        this.params = params;
        this.queryParams = queryParams;
        this.fragment = fragment;
        this.data = data;
        this.outlet = outlet;
        this.component = component;
        this._futureSnapshot = futureSnapshot;
    }
    /** The configuration used to match this route. */
    get routeConfig() {
        return this._futureSnapshot.routeConfig;
    }
    /** The root of the router state. */
    get root() {
        return this._routerState.root;
    }
    /** The parent of this route in the router state tree. */
    get parent() {
        return this._routerState.parent(this);
    }
    /** The first child of this route in the router state tree. */
    get firstChild() {
        return this._routerState.firstChild(this);
    }
    /** The children of this route in the router state tree. */
    get children() {
        return this._routerState.children(this);
    }
    /** The path from the root of the router state tree to this route. */
    get pathFromRoot() {
        return this._routerState.pathFromRoot(this);
    }
    /**
     * An Observable that contains a map of the required and optional parameters
     * specific to the route.
     * The map supports retrieving single and multiple values from the same parameter.
     */
    get paramMap() {
        if (!this._paramMap) {
            this._paramMap = this.params.pipe((0,rxjs_operators__WEBPACK_IMPORTED_MODULE_4__.map)((p) => convertToParamMap(p)));
        }
        return this._paramMap;
    }
    /**
     * An Observable that contains a map of the query parameters available to all routes.
     * The map supports retrieving single and multiple values from the query parameter.
     */
    get queryParamMap() {
        if (!this._queryParamMap) {
            this._queryParamMap =
                this.queryParams.pipe((0,rxjs_operators__WEBPACK_IMPORTED_MODULE_4__.map)((p) => convertToParamMap(p)));
        }
        return this._queryParamMap;
    }
    toString() {
        return this.snapshot ? this.snapshot.toString() : `Future(${this._futureSnapshot})`;
    }
}
/**
 * Returns the inherited params, data, and resolve for a given route.
 * By default, this only inherits values up to the nearest path-less or component-less route.
 * @internal
 */
function inheritedParamsDataResolve(route, paramsInheritanceStrategy = 'emptyOnly') {
    const pathFromRoot = route.pathFromRoot;
    let inheritingStartingFrom = 0;
    if (paramsInheritanceStrategy !== 'always') {
        inheritingStartingFrom = pathFromRoot.length - 1;
        while (inheritingStartingFrom >= 1) {
            const current = pathFromRoot[inheritingStartingFrom];
            const parent = pathFromRoot[inheritingStartingFrom - 1];
            // current route is an empty path => inherits its parent's params and data
            if (current.routeConfig && current.routeConfig.path === '') {
                inheritingStartingFrom--;
                // parent is componentless => current route should inherit its params and data
            }
            else if (!parent.component) {
                inheritingStartingFrom--;
            }
            else {
                break;
            }
        }
    }
    return flattenInherited(pathFromRoot.slice(inheritingStartingFrom));
}
/** @internal */
function flattenInherited(pathFromRoot) {
    return pathFromRoot.reduce((res, curr) => {
        const params = Object.assign(Object.assign({}, res.params), curr.params);
        const data = Object.assign(Object.assign({}, res.data), curr.data);
        const resolve = Object.assign(Object.assign({}, res.resolve), curr._resolvedData);
        return { params, data, resolve };
    }, { params: {}, data: {}, resolve: {} });
}
/**
 * @description
 *
 * Contains the information about a route associated with a component loaded in an
 * outlet at a particular moment in time. ActivatedRouteSnapshot can also be used to
 * traverse the router state tree.
 *
 * The following example initializes a component with route information extracted
 * from the snapshot of the root node at the time of creation.
 *
 * ```
 * @Component({templateUrl:'./my-component.html'})
 * class MyComponent {
 *   constructor(route: ActivatedRoute) {
 *     const id: string = route.snapshot.params.id;
 *     const url: string = route.snapshot.url.join('');
 *     const user = route.snapshot.data.user;
 *   }
 * }
 * ```
 *
 * @publicApi
 */
class ActivatedRouteSnapshot {
    /** @internal */
    constructor(
    /** The URL segments matched by this route */
    url, 
    /**
     *  The matrix parameters scoped to this route.
     *
     *  You can compute all params (or data) in the router state or to get params outside
     *  of an activated component by traversing the `RouterState` tree as in the following
     *  example:
     *  ```
     *  collectRouteParams(router: Router) {
     *    let params = {};
     *    let stack: ActivatedRouteSnapshot[] = [router.routerState.snapshot.root];
     *    while (stack.length > 0) {
     *      const route = stack.pop()!;
     *      params = {...params, ...route.params};
     *      stack.push(...route.children);
     *    }
     *    return params;
     *  }
     *  ```
     */
    params, 
    /** The query parameters shared by all the routes */
    queryParams, 
    /** The URL fragment shared by all the routes */
    fragment, 
    /** The static and resolved data of this route */
    data, 
    /** The outlet name of the route */
    outlet, 
    /** The component of the route */
    component, routeConfig, urlSegment, lastPathIndex, resolve) {
        this.url = url;
        this.params = params;
        this.queryParams = queryParams;
        this.fragment = fragment;
        this.data = data;
        this.outlet = outlet;
        this.component = component;
        this.routeConfig = routeConfig;
        this._urlSegment = urlSegment;
        this._lastPathIndex = lastPathIndex;
        this._resolve = resolve;
    }
    /** The root of the router state */
    get root() {
        return this._routerState.root;
    }
    /** The parent of this route in the router state tree */
    get parent() {
        return this._routerState.parent(this);
    }
    /** The first child of this route in the router state tree */
    get firstChild() {
        return this._routerState.firstChild(this);
    }
    /** The children of this route in the router state tree */
    get children() {
        return this._routerState.children(this);
    }
    /** The path from the root of the router state tree to this route */
    get pathFromRoot() {
        return this._routerState.pathFromRoot(this);
    }
    get paramMap() {
        if (!this._paramMap) {
            this._paramMap = convertToParamMap(this.params);
        }
        return this._paramMap;
    }
    get queryParamMap() {
        if (!this._queryParamMap) {
            this._queryParamMap = convertToParamMap(this.queryParams);
        }
        return this._queryParamMap;
    }
    toString() {
        const url = this.url.map(segment => segment.toString()).join('/');
        const matched = this.routeConfig ? this.routeConfig.path : '';
        return `Route(url:'${url}', path:'${matched}')`;
    }
}
/**
 * @description
 *
 * Represents the state of the router at a moment in time.
 *
 * This is a tree of activated route snapshots. Every node in this tree knows about
 * the "consumed" URL segments, the extracted parameters, and the resolved data.
 *
 * The following example shows how a component is initialized with information
 * from the snapshot of the root node's state at the time of creation.
 *
 * ```
 * @Component({templateUrl:'template.html'})
 * class MyComponent {
 *   constructor(router: Router) {
 *     const state: RouterState = router.routerState;
 *     const snapshot: RouterStateSnapshot = state.snapshot;
 *     const root: ActivatedRouteSnapshot = snapshot.root;
 *     const child = root.firstChild;
 *     const id: Observable<string> = child.params.map(p => p.id);
 *     //...
 *   }
 * }
 * ```
 *
 * @publicApi
 */
class RouterStateSnapshot extends Tree {
    /** @internal */
    constructor(
    /** The url from which this snapshot was created */
    url, root) {
        super(root);
        this.url = url;
        setRouterState(this, root);
    }
    toString() {
        return serializeNode(this._root);
    }
}
function setRouterState(state, node) {
    node.value._routerState = state;
    node.children.forEach(c => setRouterState(state, c));
}
function serializeNode(node) {
    const c = node.children.length > 0 ? ` { ${node.children.map(serializeNode).join(', ')} } ` : '';
    return `${node.value}${c}`;
}
/**
 * The expectation is that the activate route is created with the right set of parameters.
 * So we push new values into the observables only when they are not the initial values.
 * And we detect that by checking if the snapshot field is set.
 */
function advanceActivatedRoute(route) {
    if (route.snapshot) {
        const currentSnapshot = route.snapshot;
        const nextSnapshot = route._futureSnapshot;
        route.snapshot = nextSnapshot;
        if (!shallowEqual(currentSnapshot.queryParams, nextSnapshot.queryParams)) {
            route.queryParams.next(nextSnapshot.queryParams);
        }
        if (currentSnapshot.fragment !== nextSnapshot.fragment) {
            route.fragment.next(nextSnapshot.fragment);
        }
        if (!shallowEqual(currentSnapshot.params, nextSnapshot.params)) {
            route.params.next(nextSnapshot.params);
        }
        if (!shallowEqualArrays(currentSnapshot.url, nextSnapshot.url)) {
            route.url.next(nextSnapshot.url);
        }
        if (!shallowEqual(currentSnapshot.data, nextSnapshot.data)) {
            route.data.next(nextSnapshot.data);
        }
    }
    else {
        route.snapshot = route._futureSnapshot;
        // this is for resolved data
        route.data.next(route._futureSnapshot.data);
    }
}
function equalParamsAndUrlSegments(a, b) {
    const equalUrlParams = shallowEqual(a.params, b.params) && equalSegments(a.url, b.url);
    const parentsMismatch = !a.parent !== !b.parent;
    return equalUrlParams && !parentsMismatch &&
        (!a.parent || equalParamsAndUrlSegments(a.parent, b.parent));
}

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
function createRouterState(routeReuseStrategy, curr, prevState) {
    const root = createNode(routeReuseStrategy, curr._root, prevState ? prevState._root : undefined);
    return new RouterState(root, curr);
}
function createNode(routeReuseStrategy, curr, prevState) {
    // reuse an activated route that is currently displayed on the screen
    if (prevState && routeReuseStrategy.shouldReuseRoute(curr.value, prevState.value.snapshot)) {
        const value = prevState.value;
        value._futureSnapshot = curr.value;
        const children = createOrReuseChildren(routeReuseStrategy, curr, prevState);
        return new TreeNode(value, children);
    }
    else {
        if (routeReuseStrategy.shouldAttach(curr.value)) {
            // retrieve an activated route that is used to be displayed, but is not currently displayed
            const detachedRouteHandle = routeReuseStrategy.retrieve(curr.value);
            if (detachedRouteHandle !== null) {
                const tree = detachedRouteHandle.route;
                setFutureSnapshotsOfActivatedRoutes(curr, tree);
                return tree;
            }
        }
        const value = createActivatedRoute(curr.value);
        const children = curr.children.map(c => createNode(routeReuseStrategy, c));
        return new TreeNode(value, children);
    }
}
function setFutureSnapshotsOfActivatedRoutes(curr, result) {
    if (curr.value.routeConfig !== result.value.routeConfig) {
        throw new Error('Cannot reattach ActivatedRouteSnapshot created from a different route');
    }
    if (curr.children.length !== result.children.length) {
        throw new Error('Cannot reattach ActivatedRouteSnapshot with a different number of children');
    }
    result.value._futureSnapshot = curr.value;
    for (let i = 0; i < curr.children.length; ++i) {
        setFutureSnapshotsOfActivatedRoutes(curr.children[i], result.children[i]);
    }
}
function createOrReuseChildren(routeReuseStrategy, curr, prevState) {
    return curr.children.map(child => {
        for (const p of prevState.children) {
            if (routeReuseStrategy.shouldReuseRoute(child.value, p.value.snapshot)) {
                return createNode(routeReuseStrategy, child, p);
            }
        }
        return createNode(routeReuseStrategy, child);
    });
}
function createActivatedRoute(c) {
    return new ActivatedRoute(new rxjs__WEBPACK_IMPORTED_MODULE_3__.BehaviorSubject(c.url), new rxjs__WEBPACK_IMPORTED_MODULE_3__.BehaviorSubject(c.params), new rxjs__WEBPACK_IMPORTED_MODULE_3__.BehaviorSubject(c.queryParams), new rxjs__WEBPACK_IMPORTED_MODULE_3__.BehaviorSubject(c.fragment), new rxjs__WEBPACK_IMPORTED_MODULE_3__.BehaviorSubject(c.data), c.outlet, c.component, c);
}

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
function createUrlTree(route, urlTree, commands, queryParams, fragment) {
    if (commands.length === 0) {
        return tree(urlTree.root, urlTree.root, urlTree, queryParams, fragment);
    }
    const nav = computeNavigation(commands);
    if (nav.toRoot()) {
        return tree(urlTree.root, new UrlSegmentGroup([], {}), urlTree, queryParams, fragment);
    }
    const startingPosition = findStartingPosition(nav, urlTree, route);
    const segmentGroup = startingPosition.processChildren ?
        updateSegmentGroupChildren(startingPosition.segmentGroup, startingPosition.index, nav.commands) :
        updateSegmentGroup(startingPosition.segmentGroup, startingPosition.index, nav.commands);
    return tree(startingPosition.segmentGroup, segmentGroup, urlTree, queryParams, fragment);
}
function isMatrixParams(command) {
    return typeof command === 'object' && command != null && !command.outlets && !command.segmentPath;
}
/**
 * Determines if a given command has an `outlets` map. When we encounter a command
 * with an outlets k/v map, we need to apply each outlet individually to the existing segment.
 */
function isCommandWithOutlets(command) {
    return typeof command === 'object' && command != null && command.outlets;
}
function tree(oldSegmentGroup, newSegmentGroup, urlTree, queryParams, fragment) {
    let qp = {};
    if (queryParams) {
        forEach(queryParams, (value, name) => {
            qp[name] = Array.isArray(value) ? value.map((v) => `${v}`) : `${value}`;
        });
    }
    if (urlTree.root === oldSegmentGroup) {
        return new UrlTree(newSegmentGroup, qp, fragment);
    }
    return new UrlTree(replaceSegment(urlTree.root, oldSegmentGroup, newSegmentGroup), qp, fragment);
}
function replaceSegment(current, oldSegment, newSegment) {
    const children = {};
    forEach(current.children, (c, outletName) => {
        if (c === oldSegment) {
            children[outletName] = newSegment;
        }
        else {
            children[outletName] = replaceSegment(c, oldSegment, newSegment);
        }
    });
    return new UrlSegmentGroup(current.segments, children);
}
class Navigation {
    constructor(isAbsolute, numberOfDoubleDots, commands) {
        this.isAbsolute = isAbsolute;
        this.numberOfDoubleDots = numberOfDoubleDots;
        this.commands = commands;
        if (isAbsolute && commands.length > 0 && isMatrixParams(commands[0])) {
            throw new Error('Root segment cannot have matrix parameters');
        }
        const cmdWithOutlet = commands.find(isCommandWithOutlets);
        if (cmdWithOutlet && cmdWithOutlet !== last(commands)) {
            throw new Error('{outlets:{}} has to be the last command');
        }
    }
    toRoot() {
        return this.isAbsolute && this.commands.length === 1 && this.commands[0] == '/';
    }
}
/** Transforms commands to a normalized `Navigation` */
function computeNavigation(commands) {
    if ((typeof commands[0] === 'string') && commands.length === 1 && commands[0] === '/') {
        return new Navigation(true, 0, commands);
    }
    let numberOfDoubleDots = 0;
    let isAbsolute = false;
    const res = commands.reduce((res, cmd, cmdIdx) => {
        if (typeof cmd === 'object' && cmd != null) {
            if (cmd.outlets) {
                const outlets = {};
                forEach(cmd.outlets, (commands, name) => {
                    outlets[name] = typeof commands === 'string' ? commands.split('/') : commands;
                });
                return [...res, { outlets }];
            }
            if (cmd.segmentPath) {
                return [...res, cmd.segmentPath];
            }
        }
        if (!(typeof cmd === 'string')) {
            return [...res, cmd];
        }
        if (cmdIdx === 0) {
            cmd.split('/').forEach((urlPart, partIndex) => {
                if (partIndex == 0 && urlPart === '.') {
                    // skip './a'
                }
                else if (partIndex == 0 && urlPart === '') { //  '/a'
                    isAbsolute = true;
                }
                else if (urlPart === '..') { //  '../a'
                    numberOfDoubleDots++;
                }
                else if (urlPart != '') {
                    res.push(urlPart);
                }
            });
            return res;
        }
        return [...res, cmd];
    }, []);
    return new Navigation(isAbsolute, numberOfDoubleDots, res);
}
class Position {
    constructor(segmentGroup, processChildren, index) {
        this.segmentGroup = segmentGroup;
        this.processChildren = processChildren;
        this.index = index;
    }
}
function findStartingPosition(nav, tree, route) {
    if (nav.isAbsolute) {
        return new Position(tree.root, true, 0);
    }
    if (route.snapshot._lastPathIndex === -1) {
        const segmentGroup = route.snapshot._urlSegment;
        // Pathless ActivatedRoute has _lastPathIndex === -1 but should not process children
        // see issue #26224, #13011, #35687
        // However, if the ActivatedRoute is the root we should process children like above.
        const processChildren = segmentGroup === tree.root;
        return new Position(segmentGroup, processChildren, 0);
    }
    const modifier = isMatrixParams(nav.commands[0]) ? 0 : 1;
    const index = route.snapshot._lastPathIndex + modifier;
    return createPositionApplyingDoubleDots(route.snapshot._urlSegment, index, nav.numberOfDoubleDots);
}
function createPositionApplyingDoubleDots(group, index, numberOfDoubleDots) {
    let g = group;
    let ci = index;
    let dd = numberOfDoubleDots;
    while (dd > ci) {
        dd -= ci;
        g = g.parent;
        if (!g) {
            throw new Error('Invalid number of \'../\'');
        }
        ci = g.segments.length;
    }
    return new Position(g, false, ci - dd);
}
function getOutlets(commands) {
    if (isCommandWithOutlets(commands[0])) {
        return commands[0].outlets;
    }
    return { [PRIMARY_OUTLET]: commands };
}
function updateSegmentGroup(segmentGroup, startIndex, commands) {
    if (!segmentGroup) {
        segmentGroup = new UrlSegmentGroup([], {});
    }
    if (segmentGroup.segments.length === 0 && segmentGroup.hasChildren()) {
        return updateSegmentGroupChildren(segmentGroup, startIndex, commands);
    }
    const m = prefixedWith(segmentGroup, startIndex, commands);
    const slicedCommands = commands.slice(m.commandIndex);
    if (m.match && m.pathIndex < segmentGroup.segments.length) {
        const g = new UrlSegmentGroup(segmentGroup.segments.slice(0, m.pathIndex), {});
        g.children[PRIMARY_OUTLET] =
            new UrlSegmentGroup(segmentGroup.segments.slice(m.pathIndex), segmentGroup.children);
        return updateSegmentGroupChildren(g, 0, slicedCommands);
    }
    else if (m.match && slicedCommands.length === 0) {
        return new UrlSegmentGroup(segmentGroup.segments, {});
    }
    else if (m.match && !segmentGroup.hasChildren()) {
        return createNewSegmentGroup(segmentGroup, startIndex, commands);
    }
    else if (m.match) {
        return updateSegmentGroupChildren(segmentGroup, 0, slicedCommands);
    }
    else {
        return createNewSegmentGroup(segmentGroup, startIndex, commands);
    }
}
function updateSegmentGroupChildren(segmentGroup, startIndex, commands) {
    if (commands.length === 0) {
        return new UrlSegmentGroup(segmentGroup.segments, {});
    }
    else {
        const outlets = getOutlets(commands);
        const children = {};
        forEach(outlets, (commands, outlet) => {
            if (typeof commands === 'string') {
                commands = [commands];
            }
            if (commands !== null) {
                children[outlet] = updateSegmentGroup(segmentGroup.children[outlet], startIndex, commands);
            }
        });
        forEach(segmentGroup.children, (child, childOutlet) => {
            if (outlets[childOutlet] === undefined) {
                children[childOutlet] = child;
            }
        });
        return new UrlSegmentGroup(segmentGroup.segments, children);
    }
}
function prefixedWith(segmentGroup, startIndex, commands) {
    let currentCommandIndex = 0;
    let currentPathIndex = startIndex;
    const noMatch = { match: false, pathIndex: 0, commandIndex: 0 };
    while (currentPathIndex < segmentGroup.segments.length) {
        if (currentCommandIndex >= commands.length)
            return noMatch;
        const path = segmentGroup.segments[currentPathIndex];
        const command = commands[currentCommandIndex];
        // Do not try to consume command as part of the prefixing if it has outlets because it can
        // contain outlets other than the one being processed. Consuming the outlets command would
        // result in other outlets being ignored.
        if (isCommandWithOutlets(command)) {
            break;
        }
        const curr = `${command}`;
        const next = currentCommandIndex < commands.length - 1 ? commands[currentCommandIndex + 1] : null;
        if (currentPathIndex > 0 && curr === undefined)
            break;
        if (curr && next && (typeof next === 'object') && next.outlets === undefined) {
            if (!compare(curr, next, path))
                return noMatch;
            currentCommandIndex += 2;
        }
        else {
            if (!compare(curr, {}, path))
                return noMatch;
            currentCommandIndex++;
        }
        currentPathIndex++;
    }
    return { match: true, pathIndex: currentPathIndex, commandIndex: currentCommandIndex };
}
function createNewSegmentGroup(segmentGroup, startIndex, commands) {
    const paths = segmentGroup.segments.slice(0, startIndex);
    let i = 0;
    while (i < commands.length) {
        const command = commands[i];
        if (isCommandWithOutlets(command)) {
            const children = createNewSegmentChildren(command.outlets);
            return new UrlSegmentGroup(paths, children);
        }
        // if we start with an object literal, we need to reuse the path part from the segment
        if (i === 0 && isMatrixParams(commands[0])) {
            const p = segmentGroup.segments[startIndex];
            paths.push(new UrlSegment(p.path, stringify(commands[0])));
            i++;
            continue;
        }
        const curr = isCommandWithOutlets(command) ? command.outlets[PRIMARY_OUTLET] : `${command}`;
        const next = (i < commands.length - 1) ? commands[i + 1] : null;
        if (curr && next && isMatrixParams(next)) {
            paths.push(new UrlSegment(curr, stringify(next)));
            i += 2;
        }
        else {
            paths.push(new UrlSegment(curr, {}));
            i++;
        }
    }
    return new UrlSegmentGroup(paths, {});
}
function createNewSegmentChildren(outlets) {
    const children = {};
    forEach(outlets, (commands, outlet) => {
        if (typeof commands === 'string') {
            commands = [commands];
        }
        if (commands !== null) {
            children[outlet] = createNewSegmentGroup(new UrlSegmentGroup([], {}), 0, commands);
        }
    });
    return children;
}
function stringify(params) {
    const res = {};
    forEach(params, (v, k) => res[k] = `${v}`);
    return res;
}
function compare(path, params, segment) {
    return path == segment.path && shallowEqual(params, segment.parameters);
}

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
const activateRoutes = (rootContexts, routeReuseStrategy, forwardEvent) => (0,rxjs_operators__WEBPACK_IMPORTED_MODULE_4__.map)(t => {
    new ActivateRoutes(routeReuseStrategy, t.targetRouterState, t.currentRouterState, forwardEvent)
        .activate(rootContexts);
    return t;
});
class ActivateRoutes {
    constructor(routeReuseStrategy, futureState, currState, forwardEvent) {
        this.routeReuseStrategy = routeReuseStrategy;
        this.futureState = futureState;
        this.currState = currState;
        this.forwardEvent = forwardEvent;
    }
    activate(parentContexts) {
        const futureRoot = this.futureState._root;
        const currRoot = this.currState ? this.currState._root : null;
        this.deactivateChildRoutes(futureRoot, currRoot, parentContexts);
        advanceActivatedRoute(this.futureState.root);
        this.activateChildRoutes(futureRoot, currRoot, parentContexts);
    }
    // De-activate the child route that are not re-used for the future state
    deactivateChildRoutes(futureNode, currNode, contexts) {
        const children = nodeChildrenAsMap(currNode);
        // Recurse on the routes active in the future state to de-activate deeper children
        futureNode.children.forEach(futureChild => {
            const childOutletName = futureChild.value.outlet;
            this.deactivateRoutes(futureChild, children[childOutletName], contexts);
            delete children[childOutletName];
        });
        // De-activate the routes that will not be re-used
        forEach(children, (v, childName) => {
            this.deactivateRouteAndItsChildren(v, contexts);
        });
    }
    deactivateRoutes(futureNode, currNode, parentContext) {
        const future = futureNode.value;
        const curr = currNode ? currNode.value : null;
        if (future === curr) {
            // Reusing the node, check to see if the children need to be de-activated
            if (future.component) {
                // If we have a normal route, we need to go through an outlet.
                const context = parentContext.getContext(future.outlet);
                if (context) {
                    this.deactivateChildRoutes(futureNode, currNode, context.children);
                }
            }
            else {
                // if we have a componentless route, we recurse but keep the same outlet map.
                this.deactivateChildRoutes(futureNode, currNode, parentContext);
            }
        }
        else {
            if (curr) {
                // Deactivate the current route which will not be re-used
                this.deactivateRouteAndItsChildren(currNode, parentContext);
            }
        }
    }
    deactivateRouteAndItsChildren(route, parentContexts) {
        if (this.routeReuseStrategy.shouldDetach(route.value.snapshot)) {
            this.detachAndStoreRouteSubtree(route, parentContexts);
        }
        else {
            this.deactivateRouteAndOutlet(route, parentContexts);
        }
    }
    detachAndStoreRouteSubtree(route, parentContexts) {
        const context = parentContexts.getContext(route.value.outlet);
        if (context && context.outlet) {
            const componentRef = context.outlet.detach();
            const contexts = context.children.onOutletDeactivated();
            this.routeReuseStrategy.store(route.value.snapshot, { componentRef, route, contexts });
        }
    }
    deactivateRouteAndOutlet(route, parentContexts) {
        const context = parentContexts.getContext(route.value.outlet);
        // The context could be `null` if we are on a componentless route but there may still be
        // children that need deactivating.
        const contexts = context && route.value.component ? context.children : parentContexts;
        const children = nodeChildrenAsMap(route);
        for (const childOutlet of Object.keys(children)) {
            this.deactivateRouteAndItsChildren(children[childOutlet], contexts);
        }
        if (context && context.outlet) {
            // Destroy the component
            context.outlet.deactivate();
            // Destroy the contexts for all the outlets that were in the component
            context.children.onOutletDeactivated();
            // Clear the information about the attached component on the context but keep the reference to
            // the outlet.
            context.attachRef = null;
            context.resolver = null;
            context.route = null;
        }
    }
    activateChildRoutes(futureNode, currNode, contexts) {
        const children = nodeChildrenAsMap(currNode);
        futureNode.children.forEach(c => {
            this.activateRoutes(c, children[c.value.outlet], contexts);
            this.forwardEvent(new ActivationEnd(c.value.snapshot));
        });
        if (futureNode.children.length) {
            this.forwardEvent(new ChildActivationEnd(futureNode.value.snapshot));
        }
    }
    activateRoutes(futureNode, currNode, parentContexts) {
        const future = futureNode.value;
        const curr = currNode ? currNode.value : null;
        advanceActivatedRoute(future);
        // reusing the node
        if (future === curr) {
            if (future.component) {
                // If we have a normal route, we need to go through an outlet.
                const context = parentContexts.getOrCreateContext(future.outlet);
                this.activateChildRoutes(futureNode, currNode, context.children);
            }
            else {
                // if we have a componentless route, we recurse but keep the same outlet map.
                this.activateChildRoutes(futureNode, currNode, parentContexts);
            }
        }
        else {
            if (future.component) {
                // if we have a normal route, we need to place the component into the outlet and recurse.
                const context = parentContexts.getOrCreateContext(future.outlet);
                if (this.routeReuseStrategy.shouldAttach(future.snapshot)) {
                    const stored = this.routeReuseStrategy.retrieve(future.snapshot);
                    this.routeReuseStrategy.store(future.snapshot, null);
                    context.children.onOutletReAttached(stored.contexts);
                    context.attachRef = stored.componentRef;
                    context.route = stored.route.value;
                    if (context.outlet) {
                        // Attach right away when the outlet has already been instantiated
                        // Otherwise attach from `RouterOutlet.ngOnInit` when it is instantiated
                        context.outlet.attach(stored.componentRef, stored.route.value);
                    }
                    advanceActivatedRouteNodeAndItsChildren(stored.route);
                }
                else {
                    const config = parentLoadedConfig(future.snapshot);
                    const cmpFactoryResolver = config ? config.module.componentFactoryResolver : null;
                    context.attachRef = null;
                    context.route = future;
                    context.resolver = cmpFactoryResolver;
                    if (context.outlet) {
                        // Activate the outlet when it has already been instantiated
                        // Otherwise it will get activated from its `ngOnInit` when instantiated
                        context.outlet.activateWith(future, cmpFactoryResolver);
                    }
                    this.activateChildRoutes(futureNode, null, context.children);
                }
            }
            else {
                // if we have a componentless route, we recurse but keep the same outlet map.
                this.activateChildRoutes(futureNode, null, parentContexts);
            }
        }
    }
}
function advanceActivatedRouteNodeAndItsChildren(node) {
    advanceActivatedRoute(node.value);
    node.children.forEach(advanceActivatedRouteNodeAndItsChildren);
}
function parentLoadedConfig(snapshot) {
    for (let s = snapshot.parent; s; s = s.parent) {
        const route = s.routeConfig;
        if (route && route._loadedConfig)
            return route._loadedConfig;
        if (route && route.component)
            return null;
    }
    return null;
}

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
class LoadedRouterConfig {
    constructor(routes, module) {
        this.routes = routes;
        this.module = module;
    }
}

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
/**
 * Simple function check, but generic so type inference will flow. Example:
 *
 * function product(a: number, b: number) {
 *   return a * b;
 * }
 *
 * if (isFunction<product>(fn)) {
 *   return fn(1, 2);
 * } else {
 *   throw "Must provide the `product` function";
 * }
 */
function isFunction(v) {
    return typeof v === 'function';
}
function isBoolean(v) {
    return typeof v === 'boolean';
}
function isUrlTree(v) {
    return v instanceof UrlTree;
}
function isCanLoad(guard) {
    return guard && isFunction(guard.canLoad);
}
function isCanActivate(guard) {
    return guard && isFunction(guard.canActivate);
}
function isCanActivateChild(guard) {
    return guard && isFunction(guard.canActivateChild);
}
function isCanDeactivate(guard) {
    return guard && isFunction(guard.canDeactivate);
}

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
const INITIAL_VALUE = Symbol('INITIAL_VALUE');
function prioritizedGuardValue() {
    return (0,rxjs_operators__WEBPACK_IMPORTED_MODULE_5__.switchMap)(obs => {
        return (0,rxjs__WEBPACK_IMPORTED_MODULE_6__.combineLatest)(obs.map(o => o.pipe((0,rxjs_operators__WEBPACK_IMPORTED_MODULE_7__.take)(1), (0,rxjs_operators__WEBPACK_IMPORTED_MODULE_8__.startWith)(INITIAL_VALUE))))
            .pipe((0,rxjs_operators__WEBPACK_IMPORTED_MODULE_9__.scan)((acc, list) => {
            let isPending = false;
            return list.reduce((innerAcc, val, i) => {
                if (innerAcc !== INITIAL_VALUE)
                    return innerAcc;
                // Toggle pending flag if any values haven't been set yet
                if (val === INITIAL_VALUE)
                    isPending = true;
                // Any other return values are only valid if we haven't yet hit a pending
                // call. This guarantees that in the case of a guard at the bottom of the
                // tree that returns a redirect, we will wait for the higher priority
                // guard at the top to finish before performing the redirect.
                if (!isPending) {
                    // Early return when we hit a `false` value as that should always
                    // cancel navigation
                    if (val === false)
                        return val;
                    if (i === list.length - 1 || isUrlTree(val)) {
                        return val;
                    }
                }
                return innerAcc;
            }, acc);
        }, INITIAL_VALUE), (0,rxjs_operators__WEBPACK_IMPORTED_MODULE_10__.filter)(item => item !== INITIAL_VALUE), (0,rxjs_operators__WEBPACK_IMPORTED_MODULE_4__.map)(item => isUrlTree(item) ? item : item === true), //
        (0,rxjs_operators__WEBPACK_IMPORTED_MODULE_7__.take)(1));
    });
}

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
/**
 * This component is used internally within the router to be a placeholder when an empty
 * router-outlet is needed. For example, with a config such as:
 *
 * `{path: 'parent', outlet: 'nav', children: [...]}`
 *
 * In order to render, there needs to be a component on this config, which will default
 * to this `EmptyOutletComponent`.
 */
class ɵEmptyOutletComponent {
}
ɵEmptyOutletComponent.ɵfac = function ɵEmptyOutletComponent_Factory(t) { return new (t || ɵEmptyOutletComponent)(); };
ɵEmptyOutletComponent.ɵcmp = /*@__PURE__*/ _angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵɵdefineComponent"]({ type: ɵEmptyOutletComponent, selectors: [["ng-component"]], decls: 1, vars: 0, template: function ɵEmptyOutletComponent_Template(rf, ctx) { if (rf & 1) {
        _angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵɵelement"](0, "router-outlet");
    } }, directives: function () { return [RouterOutlet]; }, encapsulation: 2 });
(function () { (typeof ngDevMode === "undefined" || ngDevMode) && _angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵsetClassMetadata"](ɵEmptyOutletComponent, [{
        type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Component,
        args: [{ template: `<router-outlet></router-outlet>` }]
    }], null, null); })();

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
function validateConfig(config, parentPath = '') {
    // forEach doesn't iterate undefined values
    for (let i = 0; i < config.length; i++) {
        const route = config[i];
        const fullPath = getFullPath(parentPath, route);
        validateNode(route, fullPath);
    }
}
function validateNode(route, fullPath) {
    if (typeof ngDevMode === 'undefined' || ngDevMode) {
        if (!route) {
            throw new Error(`
      Invalid configuration of route '${fullPath}': Encountered undefined route.
      The reason might be an extra comma.

      Example:
      const routes: Routes = [
        { path: '', redirectTo: '/dashboard', pathMatch: 'full' },
        { path: 'dashboard',  component: DashboardComponent },, << two commas
        { path: 'detail/:id', component: HeroDetailComponent }
      ];
    `);
        }
        if (Array.isArray(route)) {
            throw new Error(`Invalid configuration of route '${fullPath}': Array cannot be specified`);
        }
        if (!route.component && !route.children && !route.loadChildren &&
            (route.outlet && route.outlet !== PRIMARY_OUTLET)) {
            throw new Error(`Invalid configuration of route '${fullPath}': a componentless route without children or loadChildren cannot have a named outlet set`);
        }
        if (route.redirectTo && route.children) {
            throw new Error(`Invalid configuration of route '${fullPath}': redirectTo and children cannot be used together`);
        }
        if (route.redirectTo && route.loadChildren) {
            throw new Error(`Invalid configuration of route '${fullPath}': redirectTo and loadChildren cannot be used together`);
        }
        if (route.children && route.loadChildren) {
            throw new Error(`Invalid configuration of route '${fullPath}': children and loadChildren cannot be used together`);
        }
        if (route.redirectTo && route.component) {
            throw new Error(`Invalid configuration of route '${fullPath}': redirectTo and component cannot be used together`);
        }
        if (route.redirectTo && route.canActivate) {
            throw new Error(`Invalid configuration of route '${fullPath}': redirectTo and canActivate cannot be used together. Redirects happen before activation ` +
                `so canActivate will never be executed.`);
        }
        if (route.path && route.matcher) {
            throw new Error(`Invalid configuration of route '${fullPath}': path and matcher cannot be used together`);
        }
        if (route.redirectTo === void 0 && !route.component && !route.children && !route.loadChildren) {
            throw new Error(`Invalid configuration of route '${fullPath}'. One of the following must be provided: component, redirectTo, children or loadChildren`);
        }
        if (route.path === void 0 && route.matcher === void 0) {
            throw new Error(`Invalid configuration of route '${fullPath}': routes must have either a path or a matcher specified`);
        }
        if (typeof route.path === 'string' && route.path.charAt(0) === '/') {
            throw new Error(`Invalid configuration of route '${fullPath}': path cannot start with a slash`);
        }
        if (route.path === '' && route.redirectTo !== void 0 && route.pathMatch === void 0) {
            const exp = `The default value of 'pathMatch' is 'prefix', but often the intent is to use 'full'.`;
            throw new Error(`Invalid configuration of route '{path: "${fullPath}", redirectTo: "${route.redirectTo}"}': please provide 'pathMatch'. ${exp}`);
        }
        if (route.pathMatch !== void 0 && route.pathMatch !== 'full' && route.pathMatch !== 'prefix') {
            throw new Error(`Invalid configuration of route '${fullPath}': pathMatch can only be set to 'prefix' or 'full'`);
        }
    }
    if (route.children) {
        validateConfig(route.children, fullPath);
    }
}
function getFullPath(parentPath, currentRoute) {
    if (!currentRoute) {
        return parentPath;
    }
    if (!parentPath && !currentRoute.path) {
        return '';
    }
    else if (parentPath && !currentRoute.path) {
        return `${parentPath}/`;
    }
    else if (!parentPath && currentRoute.path) {
        return currentRoute.path;
    }
    else {
        return `${parentPath}/${currentRoute.path}`;
    }
}
/**
 * Makes a copy of the config and adds any default required properties.
 */
function standardizeConfig(r) {
    const children = r.children && r.children.map(standardizeConfig);
    const c = children ? Object.assign(Object.assign({}, r), { children }) : Object.assign({}, r);
    if (!c.component && (children || c.loadChildren) && (c.outlet && c.outlet !== PRIMARY_OUTLET)) {
        c.component = ɵEmptyOutletComponent;
    }
    return c;
}
/** Returns the `route.outlet` or PRIMARY_OUTLET if none exists. */
function getOutlet(route) {
    return route.outlet || PRIMARY_OUTLET;
}
/**
 * Sorts the `routes` such that the ones with an outlet matching `outletName` come first.
 * The order of the configs is otherwise preserved.
 */
function sortByMatchingOutlets(routes, outletName) {
    const sortedConfig = routes.filter(r => getOutlet(r) === outletName);
    sortedConfig.push(...routes.filter(r => getOutlet(r) !== outletName));
    return sortedConfig;
}

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
const noMatch = {
    matched: false,
    consumedSegments: [],
    lastChild: 0,
    parameters: {},
    positionalParamSegments: {}
};
function match(segmentGroup, route, segments) {
    var _a;
    if (route.path === '') {
        if (route.pathMatch === 'full' && (segmentGroup.hasChildren() || segments.length > 0)) {
            return Object.assign({}, noMatch);
        }
        return {
            matched: true,
            consumedSegments: [],
            lastChild: 0,
            parameters: {},
            positionalParamSegments: {}
        };
    }
    const matcher = route.matcher || defaultUrlMatcher;
    const res = matcher(segments, segmentGroup, route);
    if (!res)
        return Object.assign({}, noMatch);
    const posParams = {};
    forEach(res.posParams, (v, k) => {
        posParams[k] = v.path;
    });
    const parameters = res.consumed.length > 0 ? Object.assign(Object.assign({}, posParams), res.consumed[res.consumed.length - 1].parameters) :
        posParams;
    return {
        matched: true,
        consumedSegments: res.consumed,
        lastChild: res.consumed.length,
        // TODO(atscott): investigate combining parameters and positionalParamSegments
        parameters,
        positionalParamSegments: (_a = res.posParams) !== null && _a !== void 0 ? _a : {}
    };
}
function split(segmentGroup, consumedSegments, slicedSegments, config, relativeLinkResolution = 'corrected') {
    if (slicedSegments.length > 0 &&
        containsEmptyPathMatchesWithNamedOutlets(segmentGroup, slicedSegments, config)) {
        const s = new UrlSegmentGroup(consumedSegments, createChildrenForEmptyPaths(segmentGroup, consumedSegments, config, new UrlSegmentGroup(slicedSegments, segmentGroup.children)));
        s._sourceSegment = segmentGroup;
        s._segmentIndexShift = consumedSegments.length;
        return { segmentGroup: s, slicedSegments: [] };
    }
    if (slicedSegments.length === 0 &&
        containsEmptyPathMatches(segmentGroup, slicedSegments, config)) {
        const s = new UrlSegmentGroup(segmentGroup.segments, addEmptyPathsToChildrenIfNeeded(segmentGroup, consumedSegments, slicedSegments, config, segmentGroup.children, relativeLinkResolution));
        s._sourceSegment = segmentGroup;
        s._segmentIndexShift = consumedSegments.length;
        return { segmentGroup: s, slicedSegments };
    }
    const s = new UrlSegmentGroup(segmentGroup.segments, segmentGroup.children);
    s._sourceSegment = segmentGroup;
    s._segmentIndexShift = consumedSegments.length;
    return { segmentGroup: s, slicedSegments };
}
function addEmptyPathsToChildrenIfNeeded(segmentGroup, consumedSegments, slicedSegments, routes, children, relativeLinkResolution) {
    const res = {};
    for (const r of routes) {
        if (emptyPathMatch(segmentGroup, slicedSegments, r) && !children[getOutlet(r)]) {
            const s = new UrlSegmentGroup([], {});
            s._sourceSegment = segmentGroup;
            if (relativeLinkResolution === 'legacy') {
                s._segmentIndexShift = segmentGroup.segments.length;
            }
            else {
                s._segmentIndexShift = consumedSegments.length;
            }
            res[getOutlet(r)] = s;
        }
    }
    return Object.assign(Object.assign({}, children), res);
}
function createChildrenForEmptyPaths(segmentGroup, consumedSegments, routes, primarySegment) {
    const res = {};
    res[PRIMARY_OUTLET] = primarySegment;
    primarySegment._sourceSegment = segmentGroup;
    primarySegment._segmentIndexShift = consumedSegments.length;
    for (const r of routes) {
        if (r.path === '' && getOutlet(r) !== PRIMARY_OUTLET) {
            const s = new UrlSegmentGroup([], {});
            s._sourceSegment = segmentGroup;
            s._segmentIndexShift = consumedSegments.length;
            res[getOutlet(r)] = s;
        }
    }
    return res;
}
function containsEmptyPathMatchesWithNamedOutlets(segmentGroup, slicedSegments, routes) {
    return routes.some(r => emptyPathMatch(segmentGroup, slicedSegments, r) && getOutlet(r) !== PRIMARY_OUTLET);
}
function containsEmptyPathMatches(segmentGroup, slicedSegments, routes) {
    return routes.some(r => emptyPathMatch(segmentGroup, slicedSegments, r));
}
function emptyPathMatch(segmentGroup, slicedSegments, r) {
    if ((segmentGroup.hasChildren() || slicedSegments.length > 0) && r.pathMatch === 'full') {
        return false;
    }
    return r.path === '';
}
/**
 * Determines if `route` is a path match for the `rawSegment`, `segments`, and `outlet` without
 * verifying that its children are a full match for the remainder of the `rawSegment` children as
 * well.
 */
function isImmediateMatch(route, rawSegment, segments, outlet) {
    // We allow matches to empty paths when the outlets differ so we can match a url like `/(b:b)` to
    // a config like
    // * `{path: '', children: [{path: 'b', outlet: 'b'}]}`
    // or even
    // * `{path: '', outlet: 'a', children: [{path: 'b', outlet: 'b'}]`
    //
    // The exception here is when the segment outlet is for the primary outlet. This would
    // result in a match inside the named outlet because all children there are written as primary
    // outlets. So we need to prevent child named outlet matches in a url like `/b` in a config like
    // * `{path: '', outlet: 'x' children: [{path: 'b'}]}`
    // This should only match if the url is `/(x:b)`.
    if (getOutlet(route) !== outlet &&
        (outlet === PRIMARY_OUTLET || !emptyPathMatch(rawSegment, segments, route))) {
        return false;
    }
    if (route.path === '**') {
        return true;
    }
    return match(rawSegment, route, segments).matched;
}
function noLeftoversInUrl(segmentGroup, segments, outlet) {
    return segments.length === 0 && !segmentGroup.children[outlet];
}

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
class NoMatch {
    constructor(segmentGroup) {
        this.segmentGroup = segmentGroup || null;
    }
}
class AbsoluteRedirect {
    constructor(urlTree) {
        this.urlTree = urlTree;
    }
}
function noMatch$1(segmentGroup) {
    return new rxjs__WEBPACK_IMPORTED_MODULE_11__.Observable((obs) => obs.error(new NoMatch(segmentGroup)));
}
function absoluteRedirect(newTree) {
    return new rxjs__WEBPACK_IMPORTED_MODULE_11__.Observable((obs) => obs.error(new AbsoluteRedirect(newTree)));
}
function namedOutletsRedirect(redirectTo) {
    return new rxjs__WEBPACK_IMPORTED_MODULE_11__.Observable((obs) => obs.error(new Error(`Only absolute redirects can have named outlets. redirectTo: '${redirectTo}'`)));
}
function canLoadFails(route) {
    return new rxjs__WEBPACK_IMPORTED_MODULE_11__.Observable((obs) => obs.error(navigationCancelingError(`Cannot load children because the guard of the route "path: '${route.path}'" returned false`)));
}
/**
 * Returns the `UrlTree` with the redirection applied.
 *
 * Lazy modules are loaded along the way.
 */
function applyRedirects(moduleInjector, configLoader, urlSerializer, urlTree, config) {
    return new ApplyRedirects(moduleInjector, configLoader, urlSerializer, urlTree, config).apply();
}
class ApplyRedirects {
    constructor(moduleInjector, configLoader, urlSerializer, urlTree, config) {
        this.configLoader = configLoader;
        this.urlSerializer = urlSerializer;
        this.urlTree = urlTree;
        this.config = config;
        this.allowRedirects = true;
        this.ngModule = moduleInjector.get(_angular_core__WEBPACK_IMPORTED_MODULE_0__.NgModuleRef);
    }
    apply() {
        const splitGroup = split(this.urlTree.root, [], [], this.config).segmentGroup;
        // TODO(atscott): creating a new segment removes the _sourceSegment _segmentIndexShift, which is
        // only necessary to prevent failures in tests which assert exact object matches. The `split` is
        // now shared between `applyRedirects` and `recognize` but only the `recognize` step needs these
        // properties. Before the implementations were merged, the `applyRedirects` would not assign
        // them. We should be able to remove this logic as a "breaking change" but should do some more
        // investigation into the failures first.
        const rootSegmentGroup = new UrlSegmentGroup(splitGroup.segments, splitGroup.children);
        const expanded$ = this.expandSegmentGroup(this.ngModule, this.config, rootSegmentGroup, PRIMARY_OUTLET);
        const urlTrees$ = expanded$.pipe((0,rxjs_operators__WEBPACK_IMPORTED_MODULE_4__.map)((rootSegmentGroup) => {
            return this.createUrlTree(squashSegmentGroup(rootSegmentGroup), this.urlTree.queryParams, this.urlTree.fragment);
        }));
        return urlTrees$.pipe((0,rxjs_operators__WEBPACK_IMPORTED_MODULE_12__.catchError)((e) => {
            if (e instanceof AbsoluteRedirect) {
                // After an absolute redirect we do not apply any more redirects!
                // If this implementation changes, update the documentation note in `redirectTo`.
                this.allowRedirects = false;
                // we need to run matching, so we can fetch all lazy-loaded modules
                return this.match(e.urlTree);
            }
            if (e instanceof NoMatch) {
                throw this.noMatchError(e);
            }
            throw e;
        }));
    }
    match(tree) {
        const expanded$ = this.expandSegmentGroup(this.ngModule, this.config, tree.root, PRIMARY_OUTLET);
        const mapped$ = expanded$.pipe((0,rxjs_operators__WEBPACK_IMPORTED_MODULE_4__.map)((rootSegmentGroup) => {
            return this.createUrlTree(squashSegmentGroup(rootSegmentGroup), tree.queryParams, tree.fragment);
        }));
        return mapped$.pipe((0,rxjs_operators__WEBPACK_IMPORTED_MODULE_12__.catchError)((e) => {
            if (e instanceof NoMatch) {
                throw this.noMatchError(e);
            }
            throw e;
        }));
    }
    noMatchError(e) {
        return new Error(`Cannot match any routes. URL Segment: '${e.segmentGroup}'`);
    }
    createUrlTree(rootCandidate, queryParams, fragment) {
        const root = rootCandidate.segments.length > 0 ?
            new UrlSegmentGroup([], { [PRIMARY_OUTLET]: rootCandidate }) :
            rootCandidate;
        return new UrlTree(root, queryParams, fragment);
    }
    expandSegmentGroup(ngModule, routes, segmentGroup, outlet) {
        if (segmentGroup.segments.length === 0 && segmentGroup.hasChildren()) {
            return this.expandChildren(ngModule, routes, segmentGroup)
                .pipe((0,rxjs_operators__WEBPACK_IMPORTED_MODULE_4__.map)((children) => new UrlSegmentGroup([], children)));
        }
        return this.expandSegment(ngModule, segmentGroup, routes, segmentGroup.segments, outlet, true);
    }
    // Recursively expand segment groups for all the child outlets
    expandChildren(ngModule, routes, segmentGroup) {
        // Expand outlets one at a time, starting with the primary outlet. We need to do it this way
        // because an absolute redirect from the primary outlet takes precedence.
        const childOutlets = [];
        for (const child of Object.keys(segmentGroup.children)) {
            if (child === 'primary') {
                childOutlets.unshift(child);
            }
            else {
                childOutlets.push(child);
            }
        }
        return (0,rxjs__WEBPACK_IMPORTED_MODULE_1__.from)(childOutlets)
            .pipe((0,rxjs_operators__WEBPACK_IMPORTED_MODULE_13__.concatMap)(childOutlet => {
            const child = segmentGroup.children[childOutlet];
            // Sort the routes so routes with outlets that match the segment appear
            // first, followed by routes for other outlets, which might match if they have an
            // empty path.
            const sortedRoutes = sortByMatchingOutlets(routes, childOutlet);
            return this.expandSegmentGroup(ngModule, sortedRoutes, child, childOutlet)
                .pipe((0,rxjs_operators__WEBPACK_IMPORTED_MODULE_4__.map)(s => ({ segment: s, outlet: childOutlet })));
        }), (0,rxjs_operators__WEBPACK_IMPORTED_MODULE_9__.scan)((children, expandedChild) => {
            children[expandedChild.outlet] = expandedChild.segment;
            return children;
        }, {}), (0,rxjs_operators__WEBPACK_IMPORTED_MODULE_14__.last)());
    }
    expandSegment(ngModule, segmentGroup, routes, segments, outlet, allowRedirects) {
        return (0,rxjs__WEBPACK_IMPORTED_MODULE_1__.from)(routes).pipe((0,rxjs_operators__WEBPACK_IMPORTED_MODULE_13__.concatMap)((r) => {
            const expanded$ = this.expandSegmentAgainstRoute(ngModule, segmentGroup, routes, r, segments, outlet, allowRedirects);
            return expanded$.pipe((0,rxjs_operators__WEBPACK_IMPORTED_MODULE_12__.catchError)((e) => {
                if (e instanceof NoMatch) {
                    return (0,rxjs__WEBPACK_IMPORTED_MODULE_2__.of)(null);
                }
                throw e;
            }));
        }), (0,rxjs_operators__WEBPACK_IMPORTED_MODULE_15__.first)((s) => !!s), (0,rxjs_operators__WEBPACK_IMPORTED_MODULE_12__.catchError)((e, _) => {
            if (e instanceof rxjs__WEBPACK_IMPORTED_MODULE_16__.EmptyError || e.name === 'EmptyError') {
                if (noLeftoversInUrl(segmentGroup, segments, outlet)) {
                    return (0,rxjs__WEBPACK_IMPORTED_MODULE_2__.of)(new UrlSegmentGroup([], {}));
                }
                throw new NoMatch(segmentGroup);
            }
            throw e;
        }));
    }
    expandSegmentAgainstRoute(ngModule, segmentGroup, routes, route, paths, outlet, allowRedirects) {
        if (!isImmediateMatch(route, segmentGroup, paths, outlet)) {
            return noMatch$1(segmentGroup);
        }
        if (route.redirectTo === undefined) {
            return this.matchSegmentAgainstRoute(ngModule, segmentGroup, route, paths, outlet);
        }
        if (allowRedirects && this.allowRedirects) {
            return this.expandSegmentAgainstRouteUsingRedirect(ngModule, segmentGroup, routes, route, paths, outlet);
        }
        return noMatch$1(segmentGroup);
    }
    expandSegmentAgainstRouteUsingRedirect(ngModule, segmentGroup, routes, route, segments, outlet) {
        if (route.path === '**') {
            return this.expandWildCardWithParamsAgainstRouteUsingRedirect(ngModule, routes, route, outlet);
        }
        return this.expandRegularSegmentAgainstRouteUsingRedirect(ngModule, segmentGroup, routes, route, segments, outlet);
    }
    expandWildCardWithParamsAgainstRouteUsingRedirect(ngModule, routes, route, outlet) {
        const newTree = this.applyRedirectCommands([], route.redirectTo, {});
        if (route.redirectTo.startsWith('/')) {
            return absoluteRedirect(newTree);
        }
        return this.lineralizeSegments(route, newTree).pipe((0,rxjs_operators__WEBPACK_IMPORTED_MODULE_17__.mergeMap)((newSegments) => {
            const group = new UrlSegmentGroup(newSegments, {});
            return this.expandSegment(ngModule, group, routes, newSegments, outlet, false);
        }));
    }
    expandRegularSegmentAgainstRouteUsingRedirect(ngModule, segmentGroup, routes, route, segments, outlet) {
        const { matched, consumedSegments, lastChild, positionalParamSegments } = match(segmentGroup, route, segments);
        if (!matched)
            return noMatch$1(segmentGroup);
        const newTree = this.applyRedirectCommands(consumedSegments, route.redirectTo, positionalParamSegments);
        if (route.redirectTo.startsWith('/')) {
            return absoluteRedirect(newTree);
        }
        return this.lineralizeSegments(route, newTree).pipe((0,rxjs_operators__WEBPACK_IMPORTED_MODULE_17__.mergeMap)((newSegments) => {
            return this.expandSegment(ngModule, segmentGroup, routes, newSegments.concat(segments.slice(lastChild)), outlet, false);
        }));
    }
    matchSegmentAgainstRoute(ngModule, rawSegmentGroup, route, segments, outlet) {
        if (route.path === '**') {
            if (route.loadChildren) {
                const loaded$ = route._loadedConfig ? (0,rxjs__WEBPACK_IMPORTED_MODULE_2__.of)(route._loadedConfig) :
                    this.configLoader.load(ngModule.injector, route);
                return loaded$.pipe((0,rxjs_operators__WEBPACK_IMPORTED_MODULE_4__.map)((cfg) => {
                    route._loadedConfig = cfg;
                    return new UrlSegmentGroup(segments, {});
                }));
            }
            return (0,rxjs__WEBPACK_IMPORTED_MODULE_2__.of)(new UrlSegmentGroup(segments, {}));
        }
        const { matched, consumedSegments, lastChild } = match(rawSegmentGroup, route, segments);
        if (!matched)
            return noMatch$1(rawSegmentGroup);
        const rawSlicedSegments = segments.slice(lastChild);
        const childConfig$ = this.getChildConfig(ngModule, route, segments);
        return childConfig$.pipe((0,rxjs_operators__WEBPACK_IMPORTED_MODULE_17__.mergeMap)((routerConfig) => {
            const childModule = routerConfig.module;
            const childConfig = routerConfig.routes;
            const { segmentGroup: splitSegmentGroup, slicedSegments } = split(rawSegmentGroup, consumedSegments, rawSlicedSegments, childConfig);
            // See comment on the other call to `split` about why this is necessary.
            const segmentGroup = new UrlSegmentGroup(splitSegmentGroup.segments, splitSegmentGroup.children);
            if (slicedSegments.length === 0 && segmentGroup.hasChildren()) {
                const expanded$ = this.expandChildren(childModule, childConfig, segmentGroup);
                return expanded$.pipe((0,rxjs_operators__WEBPACK_IMPORTED_MODULE_4__.map)((children) => new UrlSegmentGroup(consumedSegments, children)));
            }
            if (childConfig.length === 0 && slicedSegments.length === 0) {
                return (0,rxjs__WEBPACK_IMPORTED_MODULE_2__.of)(new UrlSegmentGroup(consumedSegments, {}));
            }
            const matchedOnOutlet = getOutlet(route) === outlet;
            const expanded$ = this.expandSegment(childModule, segmentGroup, childConfig, slicedSegments, matchedOnOutlet ? PRIMARY_OUTLET : outlet, true);
            return expanded$.pipe((0,rxjs_operators__WEBPACK_IMPORTED_MODULE_4__.map)((cs) => new UrlSegmentGroup(consumedSegments.concat(cs.segments), cs.children)));
        }));
    }
    getChildConfig(ngModule, route, segments) {
        if (route.children) {
            // The children belong to the same module
            return (0,rxjs__WEBPACK_IMPORTED_MODULE_2__.of)(new LoadedRouterConfig(route.children, ngModule));
        }
        if (route.loadChildren) {
            // lazy children belong to the loaded module
            if (route._loadedConfig !== undefined) {
                return (0,rxjs__WEBPACK_IMPORTED_MODULE_2__.of)(route._loadedConfig);
            }
            return this.runCanLoadGuards(ngModule.injector, route, segments)
                .pipe((0,rxjs_operators__WEBPACK_IMPORTED_MODULE_17__.mergeMap)((shouldLoadResult) => {
                if (shouldLoadResult) {
                    return this.configLoader.load(ngModule.injector, route)
                        .pipe((0,rxjs_operators__WEBPACK_IMPORTED_MODULE_4__.map)((cfg) => {
                        route._loadedConfig = cfg;
                        return cfg;
                    }));
                }
                return canLoadFails(route);
            }));
        }
        return (0,rxjs__WEBPACK_IMPORTED_MODULE_2__.of)(new LoadedRouterConfig([], ngModule));
    }
    runCanLoadGuards(moduleInjector, route, segments) {
        const canLoad = route.canLoad;
        if (!canLoad || canLoad.length === 0)
            return (0,rxjs__WEBPACK_IMPORTED_MODULE_2__.of)(true);
        const canLoadObservables = canLoad.map((injectionToken) => {
            const guard = moduleInjector.get(injectionToken);
            let guardVal;
            if (isCanLoad(guard)) {
                guardVal = guard.canLoad(route, segments);
            }
            else if (isFunction(guard)) {
                guardVal = guard(route, segments);
            }
            else {
                throw new Error('Invalid CanLoad guard');
            }
            return wrapIntoObservable(guardVal);
        });
        return (0,rxjs__WEBPACK_IMPORTED_MODULE_2__.of)(canLoadObservables)
            .pipe(prioritizedGuardValue(), (0,rxjs_operators__WEBPACK_IMPORTED_MODULE_18__.tap)((result) => {
            if (!isUrlTree(result))
                return;
            const error = navigationCancelingError(`Redirecting to "${this.urlSerializer.serialize(result)}"`);
            error.url = result;
            throw error;
        }), (0,rxjs_operators__WEBPACK_IMPORTED_MODULE_4__.map)(result => result === true));
    }
    lineralizeSegments(route, urlTree) {
        let res = [];
        let c = urlTree.root;
        while (true) {
            res = res.concat(c.segments);
            if (c.numberOfChildren === 0) {
                return (0,rxjs__WEBPACK_IMPORTED_MODULE_2__.of)(res);
            }
            if (c.numberOfChildren > 1 || !c.children[PRIMARY_OUTLET]) {
                return namedOutletsRedirect(route.redirectTo);
            }
            c = c.children[PRIMARY_OUTLET];
        }
    }
    applyRedirectCommands(segments, redirectTo, posParams) {
        return this.applyRedirectCreatreUrlTree(redirectTo, this.urlSerializer.parse(redirectTo), segments, posParams);
    }
    applyRedirectCreatreUrlTree(redirectTo, urlTree, segments, posParams) {
        const newRoot = this.createSegmentGroup(redirectTo, urlTree.root, segments, posParams);
        return new UrlTree(newRoot, this.createQueryParams(urlTree.queryParams, this.urlTree.queryParams), urlTree.fragment);
    }
    createQueryParams(redirectToParams, actualParams) {
        const res = {};
        forEach(redirectToParams, (v, k) => {
            const copySourceValue = typeof v === 'string' && v.startsWith(':');
            if (copySourceValue) {
                const sourceName = v.substring(1);
                res[k] = actualParams[sourceName];
            }
            else {
                res[k] = v;
            }
        });
        return res;
    }
    createSegmentGroup(redirectTo, group, segments, posParams) {
        const updatedSegments = this.createSegments(redirectTo, group.segments, segments, posParams);
        let children = {};
        forEach(group.children, (child, name) => {
            children[name] = this.createSegmentGroup(redirectTo, child, segments, posParams);
        });
        return new UrlSegmentGroup(updatedSegments, children);
    }
    createSegments(redirectTo, redirectToSegments, actualSegments, posParams) {
        return redirectToSegments.map(s => s.path.startsWith(':') ? this.findPosParam(redirectTo, s, posParams) :
            this.findOrReturn(s, actualSegments));
    }
    findPosParam(redirectTo, redirectToUrlSegment, posParams) {
        const pos = posParams[redirectToUrlSegment.path.substring(1)];
        if (!pos)
            throw new Error(`Cannot redirect to '${redirectTo}'. Cannot find '${redirectToUrlSegment.path}'.`);
        return pos;
    }
    findOrReturn(redirectToUrlSegment, actualSegments) {
        let idx = 0;
        for (const s of actualSegments) {
            if (s.path === redirectToUrlSegment.path) {
                actualSegments.splice(idx);
                return s;
            }
            idx++;
        }
        return redirectToUrlSegment;
    }
}
/**
 * When possible, merges the primary outlet child into the parent `UrlSegmentGroup`.
 *
 * When a segment group has only one child which is a primary outlet, merges that child into the
 * parent. That is, the child segment group's segments are merged into the `s` and the child's
 * children become the children of `s`. Think of this like a 'squash', merging the child segment
 * group into the parent.
 */
function mergeTrivialChildren(s) {
    if (s.numberOfChildren === 1 && s.children[PRIMARY_OUTLET]) {
        const c = s.children[PRIMARY_OUTLET];
        return new UrlSegmentGroup(s.segments.concat(c.segments), c.children);
    }
    return s;
}
/**
 * Recursively merges primary segment children into their parents and also drops empty children
 * (those which have no segments and no children themselves). The latter prevents serializing a
 * group into something like `/a(aux:)`, where `aux` is an empty child segment.
 */
function squashSegmentGroup(segmentGroup) {
    const newChildren = {};
    for (const childOutlet of Object.keys(segmentGroup.children)) {
        const child = segmentGroup.children[childOutlet];
        const childCandidate = squashSegmentGroup(child);
        // don't add empty children
        if (childCandidate.segments.length > 0 || childCandidate.hasChildren()) {
            newChildren[childOutlet] = childCandidate;
        }
    }
    const s = new UrlSegmentGroup(segmentGroup.segments, newChildren);
    return mergeTrivialChildren(s);
}

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
function applyRedirects$1(moduleInjector, configLoader, urlSerializer, config) {
    return (0,rxjs_operators__WEBPACK_IMPORTED_MODULE_5__.switchMap)(t => applyRedirects(moduleInjector, configLoader, urlSerializer, t.extractedUrl, config)
        .pipe((0,rxjs_operators__WEBPACK_IMPORTED_MODULE_4__.map)(urlAfterRedirects => (Object.assign(Object.assign({}, t), { urlAfterRedirects })))));
}

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
class CanActivate {
    constructor(path) {
        this.path = path;
        this.route = this.path[this.path.length - 1];
    }
}
class CanDeactivate {
    constructor(component, route) {
        this.component = component;
        this.route = route;
    }
}
function getAllRouteGuards(future, curr, parentContexts) {
    const futureRoot = future._root;
    const currRoot = curr ? curr._root : null;
    return getChildRouteGuards(futureRoot, currRoot, parentContexts, [futureRoot.value]);
}
function getCanActivateChild(p) {
    const canActivateChild = p.routeConfig ? p.routeConfig.canActivateChild : null;
    if (!canActivateChild || canActivateChild.length === 0)
        return null;
    return { node: p, guards: canActivateChild };
}
function getToken(token, snapshot, moduleInjector) {
    const config = getClosestLoadedConfig(snapshot);
    const injector = config ? config.module.injector : moduleInjector;
    return injector.get(token);
}
function getClosestLoadedConfig(snapshot) {
    if (!snapshot)
        return null;
    for (let s = snapshot.parent; s; s = s.parent) {
        const route = s.routeConfig;
        if (route && route._loadedConfig)
            return route._loadedConfig;
    }
    return null;
}
function getChildRouteGuards(futureNode, currNode, contexts, futurePath, checks = {
    canDeactivateChecks: [],
    canActivateChecks: []
}) {
    const prevChildren = nodeChildrenAsMap(currNode);
    // Process the children of the future route
    futureNode.children.forEach(c => {
        getRouteGuards(c, prevChildren[c.value.outlet], contexts, futurePath.concat([c.value]), checks);
        delete prevChildren[c.value.outlet];
    });
    // Process any children left from the current route (not active for the future route)
    forEach(prevChildren, (v, k) => deactivateRouteAndItsChildren(v, contexts.getContext(k), checks));
    return checks;
}
function getRouteGuards(futureNode, currNode, parentContexts, futurePath, checks = {
    canDeactivateChecks: [],
    canActivateChecks: []
}) {
    const future = futureNode.value;
    const curr = currNode ? currNode.value : null;
    const context = parentContexts ? parentContexts.getContext(futureNode.value.outlet) : null;
    // reusing the node
    if (curr && future.routeConfig === curr.routeConfig) {
        const shouldRun = shouldRunGuardsAndResolvers(curr, future, future.routeConfig.runGuardsAndResolvers);
        if (shouldRun) {
            checks.canActivateChecks.push(new CanActivate(futurePath));
        }
        else {
            // we need to set the data
            future.data = curr.data;
            future._resolvedData = curr._resolvedData;
        }
        // If we have a component, we need to go through an outlet.
        if (future.component) {
            getChildRouteGuards(futureNode, currNode, context ? context.children : null, futurePath, checks);
            // if we have a componentless route, we recurse but keep the same outlet map.
        }
        else {
            getChildRouteGuards(futureNode, currNode, parentContexts, futurePath, checks);
        }
        if (shouldRun && context && context.outlet && context.outlet.isActivated) {
            checks.canDeactivateChecks.push(new CanDeactivate(context.outlet.component, curr));
        }
    }
    else {
        if (curr) {
            deactivateRouteAndItsChildren(currNode, context, checks);
        }
        checks.canActivateChecks.push(new CanActivate(futurePath));
        // If we have a component, we need to go through an outlet.
        if (future.component) {
            getChildRouteGuards(futureNode, null, context ? context.children : null, futurePath, checks);
            // if we have a componentless route, we recurse but keep the same outlet map.
        }
        else {
            getChildRouteGuards(futureNode, null, parentContexts, futurePath, checks);
        }
    }
    return checks;
}
function shouldRunGuardsAndResolvers(curr, future, mode) {
    if (typeof mode === 'function') {
        return mode(curr, future);
    }
    switch (mode) {
        case 'pathParamsChange':
            return !equalPath(curr.url, future.url);
        case 'pathParamsOrQueryParamsChange':
            return !equalPath(curr.url, future.url) ||
                !shallowEqual(curr.queryParams, future.queryParams);
        case 'always':
            return true;
        case 'paramsOrQueryParamsChange':
            return !equalParamsAndUrlSegments(curr, future) ||
                !shallowEqual(curr.queryParams, future.queryParams);
        case 'paramsChange':
        default:
            return !equalParamsAndUrlSegments(curr, future);
    }
}
function deactivateRouteAndItsChildren(route, context, checks) {
    const children = nodeChildrenAsMap(route);
    const r = route.value;
    forEach(children, (node, childName) => {
        if (!r.component) {
            deactivateRouteAndItsChildren(node, context, checks);
        }
        else if (context) {
            deactivateRouteAndItsChildren(node, context.children.getContext(childName), checks);
        }
        else {
            deactivateRouteAndItsChildren(node, null, checks);
        }
    });
    if (!r.component) {
        checks.canDeactivateChecks.push(new CanDeactivate(null, r));
    }
    else if (context && context.outlet && context.outlet.isActivated) {
        checks.canDeactivateChecks.push(new CanDeactivate(context.outlet.component, r));
    }
    else {
        checks.canDeactivateChecks.push(new CanDeactivate(null, r));
    }
}

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
function checkGuards(moduleInjector, forwardEvent) {
    return (0,rxjs_operators__WEBPACK_IMPORTED_MODULE_17__.mergeMap)(t => {
        const { targetSnapshot, currentSnapshot, guards: { canActivateChecks, canDeactivateChecks } } = t;
        if (canDeactivateChecks.length === 0 && canActivateChecks.length === 0) {
            return (0,rxjs__WEBPACK_IMPORTED_MODULE_2__.of)(Object.assign(Object.assign({}, t), { guardsResult: true }));
        }
        return runCanDeactivateChecks(canDeactivateChecks, targetSnapshot, currentSnapshot, moduleInjector)
            .pipe((0,rxjs_operators__WEBPACK_IMPORTED_MODULE_17__.mergeMap)(canDeactivate => {
            return canDeactivate && isBoolean(canDeactivate) ?
                runCanActivateChecks(targetSnapshot, canActivateChecks, moduleInjector, forwardEvent) :
                (0,rxjs__WEBPACK_IMPORTED_MODULE_2__.of)(canDeactivate);
        }), (0,rxjs_operators__WEBPACK_IMPORTED_MODULE_4__.map)(guardsResult => (Object.assign(Object.assign({}, t), { guardsResult }))));
    });
}
function runCanDeactivateChecks(checks, futureRSS, currRSS, moduleInjector) {
    return (0,rxjs__WEBPACK_IMPORTED_MODULE_1__.from)(checks).pipe((0,rxjs_operators__WEBPACK_IMPORTED_MODULE_17__.mergeMap)(check => runCanDeactivate(check.component, check.route, currRSS, futureRSS, moduleInjector)), (0,rxjs_operators__WEBPACK_IMPORTED_MODULE_15__.first)(result => {
        return result !== true;
    }, true));
}
function runCanActivateChecks(futureSnapshot, checks, moduleInjector, forwardEvent) {
    return (0,rxjs__WEBPACK_IMPORTED_MODULE_1__.from)(checks).pipe((0,rxjs_operators__WEBPACK_IMPORTED_MODULE_13__.concatMap)((check) => {
        return (0,rxjs__WEBPACK_IMPORTED_MODULE_19__.concat)(fireChildActivationStart(check.route.parent, forwardEvent), fireActivationStart(check.route, forwardEvent), runCanActivateChild(futureSnapshot, check.path, moduleInjector), runCanActivate(futureSnapshot, check.route, moduleInjector));
    }), (0,rxjs_operators__WEBPACK_IMPORTED_MODULE_15__.first)(result => {
        return result !== true;
    }, true));
}
/**
 * This should fire off `ActivationStart` events for each route being activated at this
 * level.
 * In other words, if you're activating `a` and `b` below, `path` will contain the
 * `ActivatedRouteSnapshot`s for both and we will fire `ActivationStart` for both. Always
 * return
 * `true` so checks continue to run.
 */
function fireActivationStart(snapshot, forwardEvent) {
    if (snapshot !== null && forwardEvent) {
        forwardEvent(new ActivationStart(snapshot));
    }
    return (0,rxjs__WEBPACK_IMPORTED_MODULE_2__.of)(true);
}
/**
 * This should fire off `ChildActivationStart` events for each route being activated at this
 * level.
 * In other words, if you're activating `a` and `b` below, `path` will contain the
 * `ActivatedRouteSnapshot`s for both and we will fire `ChildActivationStart` for both. Always
 * return
 * `true` so checks continue to run.
 */
function fireChildActivationStart(snapshot, forwardEvent) {
    if (snapshot !== null && forwardEvent) {
        forwardEvent(new ChildActivationStart(snapshot));
    }
    return (0,rxjs__WEBPACK_IMPORTED_MODULE_2__.of)(true);
}
function runCanActivate(futureRSS, futureARS, moduleInjector) {
    const canActivate = futureARS.routeConfig ? futureARS.routeConfig.canActivate : null;
    if (!canActivate || canActivate.length === 0)
        return (0,rxjs__WEBPACK_IMPORTED_MODULE_2__.of)(true);
    const canActivateObservables = canActivate.map((c) => {
        return (0,rxjs__WEBPACK_IMPORTED_MODULE_20__.defer)(() => {
            const guard = getToken(c, futureARS, moduleInjector);
            let observable;
            if (isCanActivate(guard)) {
                observable = wrapIntoObservable(guard.canActivate(futureARS, futureRSS));
            }
            else if (isFunction(guard)) {
                observable = wrapIntoObservable(guard(futureARS, futureRSS));
            }
            else {
                throw new Error('Invalid CanActivate guard');
            }
            return observable.pipe((0,rxjs_operators__WEBPACK_IMPORTED_MODULE_15__.first)());
        });
    });
    return (0,rxjs__WEBPACK_IMPORTED_MODULE_2__.of)(canActivateObservables).pipe(prioritizedGuardValue());
}
function runCanActivateChild(futureRSS, path, moduleInjector) {
    const futureARS = path[path.length - 1];
    const canActivateChildGuards = path.slice(0, path.length - 1)
        .reverse()
        .map(p => getCanActivateChild(p))
        .filter(_ => _ !== null);
    const canActivateChildGuardsMapped = canActivateChildGuards.map((d) => {
        return (0,rxjs__WEBPACK_IMPORTED_MODULE_20__.defer)(() => {
            const guardsMapped = d.guards.map((c) => {
                const guard = getToken(c, d.node, moduleInjector);
                let observable;
                if (isCanActivateChild(guard)) {
                    observable = wrapIntoObservable(guard.canActivateChild(futureARS, futureRSS));
                }
                else if (isFunction(guard)) {
                    observable = wrapIntoObservable(guard(futureARS, futureRSS));
                }
                else {
                    throw new Error('Invalid CanActivateChild guard');
                }
                return observable.pipe((0,rxjs_operators__WEBPACK_IMPORTED_MODULE_15__.first)());
            });
            return (0,rxjs__WEBPACK_IMPORTED_MODULE_2__.of)(guardsMapped).pipe(prioritizedGuardValue());
        });
    });
    return (0,rxjs__WEBPACK_IMPORTED_MODULE_2__.of)(canActivateChildGuardsMapped).pipe(prioritizedGuardValue());
}
function runCanDeactivate(component, currARS, currRSS, futureRSS, moduleInjector) {
    const canDeactivate = currARS && currARS.routeConfig ? currARS.routeConfig.canDeactivate : null;
    if (!canDeactivate || canDeactivate.length === 0)
        return (0,rxjs__WEBPACK_IMPORTED_MODULE_2__.of)(true);
    const canDeactivateObservables = canDeactivate.map((c) => {
        const guard = getToken(c, currARS, moduleInjector);
        let observable;
        if (isCanDeactivate(guard)) {
            observable = wrapIntoObservable(guard.canDeactivate(component, currARS, currRSS, futureRSS));
        }
        else if (isFunction(guard)) {
            observable = wrapIntoObservable(guard(component, currARS, currRSS, futureRSS));
        }
        else {
            throw new Error('Invalid CanDeactivate guard');
        }
        return observable.pipe((0,rxjs_operators__WEBPACK_IMPORTED_MODULE_15__.first)());
    });
    return (0,rxjs__WEBPACK_IMPORTED_MODULE_2__.of)(canDeactivateObservables).pipe(prioritizedGuardValue());
}

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
class NoMatch$1 {
}
function newObservableError(e) {
    // TODO(atscott): This pattern is used throughout the router code and can be `throwError` instead.
    return new rxjs__WEBPACK_IMPORTED_MODULE_11__.Observable((obs) => obs.error(e));
}
function recognize(rootComponentType, config, urlTree, url, paramsInheritanceStrategy = 'emptyOnly', relativeLinkResolution = 'legacy') {
    try {
        const result = new Recognizer(rootComponentType, config, urlTree, url, paramsInheritanceStrategy, relativeLinkResolution)
            .recognize();
        if (result === null) {
            return newObservableError(new NoMatch$1());
        }
        else {
            return (0,rxjs__WEBPACK_IMPORTED_MODULE_2__.of)(result);
        }
    }
    catch (e) {
        // Catch the potential error from recognize due to duplicate outlet matches and return as an
        // `Observable` error instead.
        return newObservableError(e);
    }
}
class Recognizer {
    constructor(rootComponentType, config, urlTree, url, paramsInheritanceStrategy, relativeLinkResolution) {
        this.rootComponentType = rootComponentType;
        this.config = config;
        this.urlTree = urlTree;
        this.url = url;
        this.paramsInheritanceStrategy = paramsInheritanceStrategy;
        this.relativeLinkResolution = relativeLinkResolution;
    }
    recognize() {
        const rootSegmentGroup = split(this.urlTree.root, [], [], this.config.filter(c => c.redirectTo === undefined), this.relativeLinkResolution)
            .segmentGroup;
        const children = this.processSegmentGroup(this.config, rootSegmentGroup, PRIMARY_OUTLET);
        if (children === null) {
            return null;
        }
        // Use Object.freeze to prevent readers of the Router state from modifying it outside of a
        // navigation, resulting in the router being out of sync with the browser.
        const root = new ActivatedRouteSnapshot([], Object.freeze({}), Object.freeze(Object.assign({}, this.urlTree.queryParams)), this.urlTree.fragment, {}, PRIMARY_OUTLET, this.rootComponentType, null, this.urlTree.root, -1, {});
        const rootNode = new TreeNode(root, children);
        const routeState = new RouterStateSnapshot(this.url, rootNode);
        this.inheritParamsAndData(routeState._root);
        return routeState;
    }
    inheritParamsAndData(routeNode) {
        const route = routeNode.value;
        const i = inheritedParamsDataResolve(route, this.paramsInheritanceStrategy);
        route.params = Object.freeze(i.params);
        route.data = Object.freeze(i.data);
        routeNode.children.forEach(n => this.inheritParamsAndData(n));
    }
    processSegmentGroup(config, segmentGroup, outlet) {
        if (segmentGroup.segments.length === 0 && segmentGroup.hasChildren()) {
            return this.processChildren(config, segmentGroup);
        }
        return this.processSegment(config, segmentGroup, segmentGroup.segments, outlet);
    }
    /**
     * Matches every child outlet in the `segmentGroup` to a `Route` in the config. Returns `null` if
     * we cannot find a match for _any_ of the children.
     *
     * @param config - The `Routes` to match against
     * @param segmentGroup - The `UrlSegmentGroup` whose children need to be matched against the
     *     config.
     */
    processChildren(config, segmentGroup) {
        const children = [];
        for (const childOutlet of Object.keys(segmentGroup.children)) {
            const child = segmentGroup.children[childOutlet];
            // Sort the config so that routes with outlets that match the one being activated appear
            // first, followed by routes for other outlets, which might match if they have an empty path.
            const sortedConfig = sortByMatchingOutlets(config, childOutlet);
            const outletChildren = this.processSegmentGroup(sortedConfig, child, childOutlet);
            if (outletChildren === null) {
                // Configs must match all segment children so because we did not find a match for this
                // outlet, return `null`.
                return null;
            }
            children.push(...outletChildren);
        }
        // Because we may have matched two outlets to the same empty path segment, we can have multiple
        // activated results for the same outlet. We should merge the children of these results so the
        // final return value is only one `TreeNode` per outlet.
        const mergedChildren = mergeEmptyPathMatches(children);
        if (typeof ngDevMode === 'undefined' || ngDevMode) {
            // This should really never happen - we are only taking the first match for each outlet and
            // merge the empty path matches.
            checkOutletNameUniqueness(mergedChildren);
        }
        sortActivatedRouteSnapshots(mergedChildren);
        return mergedChildren;
    }
    processSegment(config, segmentGroup, segments, outlet) {
        for (const r of config) {
            const children = this.processSegmentAgainstRoute(r, segmentGroup, segments, outlet);
            if (children !== null) {
                return children;
            }
        }
        if (noLeftoversInUrl(segmentGroup, segments, outlet)) {
            return [];
        }
        return null;
    }
    processSegmentAgainstRoute(route, rawSegment, segments, outlet) {
        if (route.redirectTo || !isImmediateMatch(route, rawSegment, segments, outlet))
            return null;
        let snapshot;
        let consumedSegments = [];
        let rawSlicedSegments = [];
        if (route.path === '**') {
            const params = segments.length > 0 ? last(segments).parameters : {};
            snapshot = new ActivatedRouteSnapshot(segments, params, Object.freeze(Object.assign({}, this.urlTree.queryParams)), this.urlTree.fragment, getData(route), getOutlet(route), route.component, route, getSourceSegmentGroup(rawSegment), getPathIndexShift(rawSegment) + segments.length, getResolve(route));
        }
        else {
            const result = match(rawSegment, route, segments);
            if (!result.matched) {
                return null;
            }
            consumedSegments = result.consumedSegments;
            rawSlicedSegments = segments.slice(result.lastChild);
            snapshot = new ActivatedRouteSnapshot(consumedSegments, result.parameters, Object.freeze(Object.assign({}, this.urlTree.queryParams)), this.urlTree.fragment, getData(route), getOutlet(route), route.component, route, getSourceSegmentGroup(rawSegment), getPathIndexShift(rawSegment) + consumedSegments.length, getResolve(route));
        }
        const childConfig = getChildConfig(route);
        const { segmentGroup, slicedSegments } = split(rawSegment, consumedSegments, rawSlicedSegments, 
        // Filter out routes with redirectTo because we are trying to create activated route
        // snapshots and don't handle redirects here. That should have been done in
        // `applyRedirects`.
        childConfig.filter(c => c.redirectTo === undefined), this.relativeLinkResolution);
        if (slicedSegments.length === 0 && segmentGroup.hasChildren()) {
            const children = this.processChildren(childConfig, segmentGroup);
            if (children === null) {
                return null;
            }
            return [new TreeNode(snapshot, children)];
        }
        if (childConfig.length === 0 && slicedSegments.length === 0) {
            return [new TreeNode(snapshot, [])];
        }
        const matchedOnOutlet = getOutlet(route) === outlet;
        // If we matched a config due to empty path match on a different outlet, we need to continue
        // passing the current outlet for the segment rather than switch to PRIMARY.
        // Note that we switch to primary when we have a match because outlet configs look like this:
        // {path: 'a', outlet: 'a', children: [
        //  {path: 'b', component: B},
        //  {path: 'c', component: C},
        // ]}
        // Notice that the children of the named outlet are configured with the primary outlet
        const children = this.processSegment(childConfig, segmentGroup, slicedSegments, matchedOnOutlet ? PRIMARY_OUTLET : outlet);
        if (children === null) {
            return null;
        }
        return [new TreeNode(snapshot, children)];
    }
}
function sortActivatedRouteSnapshots(nodes) {
    nodes.sort((a, b) => {
        if (a.value.outlet === PRIMARY_OUTLET)
            return -1;
        if (b.value.outlet === PRIMARY_OUTLET)
            return 1;
        return a.value.outlet.localeCompare(b.value.outlet);
    });
}
function getChildConfig(route) {
    if (route.children) {
        return route.children;
    }
    if (route.loadChildren) {
        return route._loadedConfig.routes;
    }
    return [];
}
function hasEmptyPathConfig(node) {
    const config = node.value.routeConfig;
    return config && config.path === '' && config.redirectTo === undefined;
}
/**
 * Finds `TreeNode`s with matching empty path route configs and merges them into `TreeNode` with the
 * children from each duplicate. This is necessary because different outlets can match a single
 * empty path route config and the results need to then be merged.
 */
function mergeEmptyPathMatches(nodes) {
    const result = [];
    // The set of nodes which contain children that were merged from two duplicate empty path nodes.
    const mergedNodes = new Set();
    for (const node of nodes) {
        if (!hasEmptyPathConfig(node)) {
            result.push(node);
            continue;
        }
        const duplicateEmptyPathNode = result.find(resultNode => node.value.routeConfig === resultNode.value.routeConfig);
        if (duplicateEmptyPathNode !== undefined) {
            duplicateEmptyPathNode.children.push(...node.children);
            mergedNodes.add(duplicateEmptyPathNode);
        }
        else {
            result.push(node);
        }
    }
    // For each node which has children from multiple sources, we need to recompute a new `TreeNode`
    // by also merging those children. This is necessary when there are multiple empty path configs in
    // a row. Put another way: whenever we combine children of two nodes, we need to also check if any
    // of those children can be combined into a single node as well.
    for (const mergedNode of mergedNodes) {
        const mergedChildren = mergeEmptyPathMatches(mergedNode.children);
        result.push(new TreeNode(mergedNode.value, mergedChildren));
    }
    return result.filter(n => !mergedNodes.has(n));
}
function checkOutletNameUniqueness(nodes) {
    const names = {};
    nodes.forEach(n => {
        const routeWithSameOutletName = names[n.value.outlet];
        if (routeWithSameOutletName) {
            const p = routeWithSameOutletName.url.map(s => s.toString()).join('/');
            const c = n.value.url.map(s => s.toString()).join('/');
            throw new Error(`Two segments cannot have the same outlet name: '${p}' and '${c}'.`);
        }
        names[n.value.outlet] = n.value;
    });
}
function getSourceSegmentGroup(segmentGroup) {
    let s = segmentGroup;
    while (s._sourceSegment) {
        s = s._sourceSegment;
    }
    return s;
}
function getPathIndexShift(segmentGroup) {
    let s = segmentGroup;
    let res = (s._segmentIndexShift ? s._segmentIndexShift : 0);
    while (s._sourceSegment) {
        s = s._sourceSegment;
        res += (s._segmentIndexShift ? s._segmentIndexShift : 0);
    }
    return res - 1;
}
function getData(route) {
    return route.data || {};
}
function getResolve(route) {
    return route.resolve || {};
}

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
function recognize$1(rootComponentType, config, serializer, paramsInheritanceStrategy, relativeLinkResolution) {
    return (0,rxjs_operators__WEBPACK_IMPORTED_MODULE_17__.mergeMap)(t => recognize(rootComponentType, config, t.urlAfterRedirects, serializer(t.urlAfterRedirects), paramsInheritanceStrategy, relativeLinkResolution)
        .pipe((0,rxjs_operators__WEBPACK_IMPORTED_MODULE_4__.map)(targetSnapshot => (Object.assign(Object.assign({}, t), { targetSnapshot })))));
}

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
function resolveData(paramsInheritanceStrategy, moduleInjector) {
    return (0,rxjs_operators__WEBPACK_IMPORTED_MODULE_17__.mergeMap)(t => {
        const { targetSnapshot, guards: { canActivateChecks } } = t;
        if (!canActivateChecks.length) {
            return (0,rxjs__WEBPACK_IMPORTED_MODULE_2__.of)(t);
        }
        let canActivateChecksResolved = 0;
        return (0,rxjs__WEBPACK_IMPORTED_MODULE_1__.from)(canActivateChecks)
            .pipe((0,rxjs_operators__WEBPACK_IMPORTED_MODULE_13__.concatMap)(check => runResolve(check.route, targetSnapshot, paramsInheritanceStrategy, moduleInjector)), (0,rxjs_operators__WEBPACK_IMPORTED_MODULE_18__.tap)(() => canActivateChecksResolved++), (0,rxjs_operators__WEBPACK_IMPORTED_MODULE_21__.takeLast)(1), (0,rxjs_operators__WEBPACK_IMPORTED_MODULE_17__.mergeMap)(_ => canActivateChecksResolved === canActivateChecks.length ? (0,rxjs__WEBPACK_IMPORTED_MODULE_2__.of)(t) : rxjs__WEBPACK_IMPORTED_MODULE_22__.EMPTY));
    });
}
function runResolve(futureARS, futureRSS, paramsInheritanceStrategy, moduleInjector) {
    const resolve = futureARS._resolve;
    return resolveNode(resolve, futureARS, futureRSS, moduleInjector)
        .pipe((0,rxjs_operators__WEBPACK_IMPORTED_MODULE_4__.map)((resolvedData) => {
        futureARS._resolvedData = resolvedData;
        futureARS.data = Object.assign(Object.assign({}, futureARS.data), inheritedParamsDataResolve(futureARS, paramsInheritanceStrategy).resolve);
        return null;
    }));
}
function resolveNode(resolve, futureARS, futureRSS, moduleInjector) {
    const keys = Object.keys(resolve);
    if (keys.length === 0) {
        return (0,rxjs__WEBPACK_IMPORTED_MODULE_2__.of)({});
    }
    const data = {};
    return (0,rxjs__WEBPACK_IMPORTED_MODULE_1__.from)(keys).pipe((0,rxjs_operators__WEBPACK_IMPORTED_MODULE_17__.mergeMap)((key) => getResolver(resolve[key], futureARS, futureRSS, moduleInjector)
        .pipe((0,rxjs_operators__WEBPACK_IMPORTED_MODULE_18__.tap)((value) => {
        data[key] = value;
    }))), (0,rxjs_operators__WEBPACK_IMPORTED_MODULE_21__.takeLast)(1), (0,rxjs_operators__WEBPACK_IMPORTED_MODULE_17__.mergeMap)(() => {
        // Ensure all resolvers returned values, otherwise don't emit any "next" and just complete
        // the chain which will cancel navigation
        if (Object.keys(data).length === keys.length) {
            return (0,rxjs__WEBPACK_IMPORTED_MODULE_2__.of)(data);
        }
        return rxjs__WEBPACK_IMPORTED_MODULE_22__.EMPTY;
    }));
}
function getResolver(injectionToken, futureARS, futureRSS, moduleInjector) {
    const resolver = getToken(injectionToken, futureARS, moduleInjector);
    return resolver.resolve ? wrapIntoObservable(resolver.resolve(futureARS, futureRSS)) :
        wrapIntoObservable(resolver(futureARS, futureRSS));
}

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
/**
 * Perform a side effect through a switchMap for every emission on the source Observable,
 * but return an Observable that is identical to the source. It's essentially the same as
 * the `tap` operator, but if the side effectful `next` function returns an ObservableInput,
 * it will wait before continuing with the original value.
 */
function switchTap(next) {
    return (0,rxjs_operators__WEBPACK_IMPORTED_MODULE_5__.switchMap)(v => {
        const nextResult = next(v);
        if (nextResult) {
            return (0,rxjs__WEBPACK_IMPORTED_MODULE_1__.from)(nextResult).pipe((0,rxjs_operators__WEBPACK_IMPORTED_MODULE_4__.map)(() => v));
        }
        return (0,rxjs__WEBPACK_IMPORTED_MODULE_2__.of)(v);
    });
}

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
/**
 * @description
 *
 * Provides a way to customize when activated routes get reused.
 *
 * @publicApi
 */
class RouteReuseStrategy {
}
/**
 * @description
 *
 * This base route reuse strategy only reuses routes when the matched router configs are
 * identical. This prevents components from being destroyed and recreated
 * when just the fragment or query parameters change
 * (that is, the existing component is _reused_).
 *
 * This strategy does not store any routes for later reuse.
 *
 * Angular uses this strategy by default.
 *
 *
 * It can be used as a base class for custom route reuse strategies, i.e. you can create your own
 * class that extends the `BaseRouteReuseStrategy` one.
 * @publicApi
 */
class BaseRouteReuseStrategy {
    /**
     * Whether the given route should detach for later reuse.
     * Always returns false for `BaseRouteReuseStrategy`.
     * */
    shouldDetach(route) {
        return false;
    }
    /**
     * A no-op; the route is never stored since this strategy never detaches routes for later re-use.
     */
    store(route, detachedTree) { }
    /** Returns `false`, meaning the route (and its subtree) is never reattached */
    shouldAttach(route) {
        return false;
    }
    /** Returns `null` because this strategy does not store routes for later re-use. */
    retrieve(route) {
        return null;
    }
    /**
     * Determines if a route should be reused.
     * This strategy returns `true` when the future route config and current route config are
     * identical.
     */
    shouldReuseRoute(future, curr) {
        return future.routeConfig === curr.routeConfig;
    }
}
class DefaultRouteReuseStrategy extends BaseRouteReuseStrategy {
}

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
/**
 * The [DI token](guide/glossary/#di-token) for a router configuration.
 *
 * `ROUTES` is a low level API for router configuration via dependency injection.
 *
 * We recommend that in almost all cases to use higher level APIs such as `RouterModule.forRoot()`,
 * `RouterModule.forChild()`, `provideRoutes`, or `Router.resetConfig()`.
 *
 * @publicApi
 */
const ROUTES = new _angular_core__WEBPACK_IMPORTED_MODULE_0__.InjectionToken('ROUTES');
class RouterConfigLoader {
    constructor(loader, compiler, onLoadStartListener, onLoadEndListener) {
        this.loader = loader;
        this.compiler = compiler;
        this.onLoadStartListener = onLoadStartListener;
        this.onLoadEndListener = onLoadEndListener;
    }
    load(parentInjector, route) {
        if (route._loader$) {
            return route._loader$;
        }
        if (this.onLoadStartListener) {
            this.onLoadStartListener(route);
        }
        const moduleFactory$ = this.loadModuleFactory(route.loadChildren);
        const loadRunner = moduleFactory$.pipe((0,rxjs_operators__WEBPACK_IMPORTED_MODULE_4__.map)((factory) => {
            if (this.onLoadEndListener) {
                this.onLoadEndListener(route);
            }
            const module = factory.create(parentInjector);
            // When loading a module that doesn't provide `RouterModule.forChild()` preloader
            // will get stuck in an infinite loop. The child module's Injector will look to
            // its parent `Injector` when it doesn't find any ROUTES so it will return routes
            // for it's parent module instead.
            return new LoadedRouterConfig(flatten(module.injector.get(ROUTES, undefined, _angular_core__WEBPACK_IMPORTED_MODULE_0__.InjectFlags.Self | _angular_core__WEBPACK_IMPORTED_MODULE_0__.InjectFlags.Optional))
                .map(standardizeConfig), module);
        }), (0,rxjs_operators__WEBPACK_IMPORTED_MODULE_12__.catchError)((err) => {
            route._loader$ = undefined;
            throw err;
        }));
        // Use custom ConnectableObservable as share in runners pipe increasing the bundle size too much
        route._loader$ = new rxjs__WEBPACK_IMPORTED_MODULE_23__.ConnectableObservable(loadRunner, () => new rxjs__WEBPACK_IMPORTED_MODULE_24__.Subject())
            .pipe((0,rxjs_operators__WEBPACK_IMPORTED_MODULE_25__.refCount)());
        return route._loader$;
    }
    loadModuleFactory(loadChildren) {
        if (typeof loadChildren === 'string') {
            return (0,rxjs__WEBPACK_IMPORTED_MODULE_1__.from)(this.loader.load(loadChildren));
        }
        else {
            return wrapIntoObservable(loadChildren()).pipe((0,rxjs_operators__WEBPACK_IMPORTED_MODULE_17__.mergeMap)((t) => {
                if (t instanceof _angular_core__WEBPACK_IMPORTED_MODULE_0__.NgModuleFactory) {
                    return (0,rxjs__WEBPACK_IMPORTED_MODULE_2__.of)(t);
                }
                else {
                    return (0,rxjs__WEBPACK_IMPORTED_MODULE_1__.from)(this.compiler.compileModuleAsync(t));
                }
            }));
        }
    }
}

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
/**
 * Store contextual information about a `RouterOutlet`
 *
 * @publicApi
 */
class OutletContext {
    constructor() {
        this.outlet = null;
        this.route = null;
        this.resolver = null;
        this.children = new ChildrenOutletContexts();
        this.attachRef = null;
    }
}
/**
 * Store contextual information about the children (= nested) `RouterOutlet`
 *
 * @publicApi
 */
class ChildrenOutletContexts {
    constructor() {
        // contexts for child outlets, by name.
        this.contexts = new Map();
    }
    /** Called when a `RouterOutlet` directive is instantiated */
    onChildOutletCreated(childName, outlet) {
        const context = this.getOrCreateContext(childName);
        context.outlet = outlet;
        this.contexts.set(childName, context);
    }
    /**
     * Called when a `RouterOutlet` directive is destroyed.
     * We need to keep the context as the outlet could be destroyed inside a NgIf and might be
     * re-created later.
     */
    onChildOutletDestroyed(childName) {
        const context = this.getContext(childName);
        if (context) {
            context.outlet = null;
        }
    }
    /**
     * Called when the corresponding route is deactivated during navigation.
     * Because the component get destroyed, all children outlet are destroyed.
     */
    onOutletDeactivated() {
        const contexts = this.contexts;
        this.contexts = new Map();
        return contexts;
    }
    onOutletReAttached(contexts) {
        this.contexts = contexts;
    }
    getOrCreateContext(childName) {
        let context = this.getContext(childName);
        if (!context) {
            context = new OutletContext();
            this.contexts.set(childName, context);
        }
        return context;
    }
    getContext(childName) {
        return this.contexts.get(childName) || null;
    }
}

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
/**
 * @description
 *
 * Provides a way to migrate AngularJS applications to Angular.
 *
 * @publicApi
 */
class UrlHandlingStrategy {
}
/**
 * @publicApi
 */
class DefaultUrlHandlingStrategy {
    shouldProcessUrl(url) {
        return true;
    }
    extract(url) {
        return url;
    }
    merge(newUrlPart, wholeUrl) {
        return newUrlPart;
    }
}

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
function defaultErrorHandler(error) {
    throw error;
}
function defaultMalformedUriErrorHandler(error, urlSerializer, url) {
    return urlSerializer.parse('/');
}
/**
 * @internal
 */
function defaultRouterHook(snapshot, runExtras) {
    return (0,rxjs__WEBPACK_IMPORTED_MODULE_2__.of)(null);
}
/**
 * The equivalent `IsActiveUrlTreeOptions` options for `Router.isActive` is called with `true`
 * (exact = true).
 */
const exactMatchOptions = {
    paths: 'exact',
    fragment: 'ignored',
    matrixParams: 'ignored',
    queryParams: 'exact'
};
/**
 * The equivalent `IsActiveUrlTreeOptions` options for `Router.isActive` is called with `false`
 * (exact = false).
 */
const subsetMatchOptions = {
    paths: 'subset',
    fragment: 'ignored',
    matrixParams: 'ignored',
    queryParams: 'subset'
};
/**
 * @description
 *
 * A service that provides navigation among views and URL manipulation capabilities.
 *
 * @see `Route`.
 * @see [Routing and Navigation Guide](guide/router).
 *
 * @ngModule RouterModule
 *
 * @publicApi
 */
class Router {
    /**
     * Creates the router service.
     */
    // TODO: vsavkin make internal after the final is out.
    constructor(rootComponentType, urlSerializer, rootContexts, location, injector, loader, compiler, config) {
        this.rootComponentType = rootComponentType;
        this.urlSerializer = urlSerializer;
        this.rootContexts = rootContexts;
        this.location = location;
        this.config = config;
        this.lastSuccessfulNavigation = null;
        this.currentNavigation = null;
        this.disposed = false;
        /**
         * Tracks the previously seen location change from the location subscription so we can compare
         * the two latest to see if they are duplicates. See setUpLocationChangeListener.
         */
        this.lastLocationChangeInfo = null;
        this.navigationId = 0;
        /**
         * The id of the currently active page in the router.
         * Updated to the transition's target id on a successful navigation.
         *
         * This is used to track what page the router last activated. When an attempted navigation fails,
         * the router can then use this to compute how to restore the state back to the previously active
         * page.
         */
        this.currentPageId = 0;
        this.isNgZoneEnabled = false;
        /**
         * An event stream for routing events in this NgModule.
         */
        this.events = new rxjs__WEBPACK_IMPORTED_MODULE_24__.Subject();
        /**
         * A handler for navigation errors in this NgModule.
         */
        this.errorHandler = defaultErrorHandler;
        /**
         * A handler for errors thrown by `Router.parseUrl(url)`
         * when `url` contains an invalid character.
         * The most common case is a `%` sign
         * that's not encoded and is not part of a percent encoded sequence.
         */
        this.malformedUriErrorHandler = defaultMalformedUriErrorHandler;
        /**
         * True if at least one navigation event has occurred,
         * false otherwise.
         */
        this.navigated = false;
        this.lastSuccessfulId = -1;
        /**
         * Hooks that enable you to pause navigation,
         * either before or after the preactivation phase.
         * Used by `RouterModule`.
         *
         * @internal
         */
        this.hooks = { beforePreactivation: defaultRouterHook, afterPreactivation: defaultRouterHook };
        /**
         * A strategy for extracting and merging URLs.
         * Used for AngularJS to Angular migrations.
         */
        this.urlHandlingStrategy = new DefaultUrlHandlingStrategy();
        /**
         * A strategy for re-using routes.
         */
        this.routeReuseStrategy = new DefaultRouteReuseStrategy();
        /**
         * How to handle a navigation request to the current URL. One of:
         *
         * - `'ignore'` :  The router ignores the request.
         * - `'reload'` : The router reloads the URL. Use to implement a "refresh" feature.
         *
         * Note that this only configures whether the Route reprocesses the URL and triggers related
         * action and events like redirects, guards, and resolvers. By default, the router re-uses a
         * component instance when it re-navigates to the same component type without visiting a different
         * component first. This behavior is configured by the `RouteReuseStrategy`. In order to reload
         * routed components on same url navigation, you need to set `onSameUrlNavigation` to `'reload'`
         * _and_ provide a `RouteReuseStrategy` which returns `false` for `shouldReuseRoute`.
         */
        this.onSameUrlNavigation = 'ignore';
        /**
         * How to merge parameters, data, and resolved data from parent to child
         * routes. One of:
         *
         * - `'emptyOnly'` : Inherit parent parameters, data, and resolved data
         * for path-less or component-less routes.
         * - `'always'` : Inherit parent parameters, data, and resolved data
         * for all child routes.
         */
        this.paramsInheritanceStrategy = 'emptyOnly';
        /**
         * Determines when the router updates the browser URL.
         * By default (`"deferred"`), updates the browser URL after navigation has finished.
         * Set to `'eager'` to update the browser URL at the beginning of navigation.
         * You can choose to update early so that, if navigation fails,
         * you can show an error message with the URL that failed.
         */
        this.urlUpdateStrategy = 'deferred';
        /**
         * Enables a bug fix that corrects relative link resolution in components with empty paths.
         * @see `RouterModule`
         */
        this.relativeLinkResolution = 'corrected';
        /**
         * Configures how the Router attempts to restore state when a navigation is cancelled.
         *
         * 'replace' - Always uses `location.replaceState` to set the browser state to the state of the
         * router before the navigation started.
         *
         * 'computed' - Will always return to the same state that corresponds to the actual Angular route
         * when the navigation gets cancelled right after triggering a `popstate` event.
         *
         * The default value is `replace`
         *
         * @internal
         */
        // TODO(atscott): Determine how/when/if to make this public API
        // This shouldn’t be an option at all but may need to be in order to allow migration without a
        // breaking change. We need to determine if it should be made into public api (or if we forgo
        // the option and release as a breaking change bug fix in a major version).
        this.canceledNavigationResolution = 'replace';
        const onLoadStart = (r) => this.triggerEvent(new RouteConfigLoadStart(r));
        const onLoadEnd = (r) => this.triggerEvent(new RouteConfigLoadEnd(r));
        this.ngModule = injector.get(_angular_core__WEBPACK_IMPORTED_MODULE_0__.NgModuleRef);
        this.console = injector.get(_angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵConsole"]);
        const ngZone = injector.get(_angular_core__WEBPACK_IMPORTED_MODULE_0__.NgZone);
        this.isNgZoneEnabled = ngZone instanceof _angular_core__WEBPACK_IMPORTED_MODULE_0__.NgZone && _angular_core__WEBPACK_IMPORTED_MODULE_0__.NgZone.isInAngularZone();
        this.resetConfig(config);
        this.currentUrlTree = createEmptyUrlTree();
        this.rawUrlTree = this.currentUrlTree;
        this.browserUrlTree = this.currentUrlTree;
        this.configLoader = new RouterConfigLoader(loader, compiler, onLoadStart, onLoadEnd);
        this.routerState = createEmptyState(this.currentUrlTree, this.rootComponentType);
        this.transitions = new rxjs__WEBPACK_IMPORTED_MODULE_3__.BehaviorSubject({
            id: 0,
            targetPageId: 0,
            currentUrlTree: this.currentUrlTree,
            currentRawUrl: this.currentUrlTree,
            extractedUrl: this.urlHandlingStrategy.extract(this.currentUrlTree),
            urlAfterRedirects: this.urlHandlingStrategy.extract(this.currentUrlTree),
            rawUrl: this.currentUrlTree,
            extras: {},
            resolve: null,
            reject: null,
            promise: Promise.resolve(true),
            source: 'imperative',
            restoredState: null,
            currentSnapshot: this.routerState.snapshot,
            targetSnapshot: null,
            currentRouterState: this.routerState,
            targetRouterState: null,
            guards: { canActivateChecks: [], canDeactivateChecks: [] },
            guardsResult: null,
        });
        this.navigations = this.setupNavigations(this.transitions);
        this.processNavigations();
    }
    /**
     * The ɵrouterPageId of whatever page is currently active in the browser history. This is
     * important for computing the target page id for new navigations because we need to ensure each
     * page id in the browser history is 1 more than the previous entry.
     */
    get browserPageId() {
        var _a;
        return (_a = this.location.getState()) === null || _a === void 0 ? void 0 : _a.ɵrouterPageId;
    }
    setupNavigations(transitions) {
        const eventsSubject = this.events;
        return transitions.pipe((0,rxjs_operators__WEBPACK_IMPORTED_MODULE_10__.filter)(t => t.id !== 0), 
        // Extract URL
        (0,rxjs_operators__WEBPACK_IMPORTED_MODULE_4__.map)(t => (Object.assign(Object.assign({}, t), { extractedUrl: this.urlHandlingStrategy.extract(t.rawUrl) }))), 
        // Using switchMap so we cancel executing navigations when a new one comes in
        (0,rxjs_operators__WEBPACK_IMPORTED_MODULE_5__.switchMap)(t => {
            let completed = false;
            let errored = false;
            return (0,rxjs__WEBPACK_IMPORTED_MODULE_2__.of)(t).pipe(
            // Store the Navigation object
            (0,rxjs_operators__WEBPACK_IMPORTED_MODULE_18__.tap)(t => {
                this.currentNavigation = {
                    id: t.id,
                    initialUrl: t.currentRawUrl,
                    extractedUrl: t.extractedUrl,
                    trigger: t.source,
                    extras: t.extras,
                    previousNavigation: this.lastSuccessfulNavigation ? Object.assign(Object.assign({}, this.lastSuccessfulNavigation), { previousNavigation: null }) :
                        null
                };
            }), (0,rxjs_operators__WEBPACK_IMPORTED_MODULE_5__.switchMap)(t => {
                const urlTransition = !this.navigated ||
                    t.extractedUrl.toString() !== this.browserUrlTree.toString();
                const processCurrentUrl = (this.onSameUrlNavigation === 'reload' ? true : urlTransition) &&
                    this.urlHandlingStrategy.shouldProcessUrl(t.rawUrl);
                if (processCurrentUrl) {
                    return (0,rxjs__WEBPACK_IMPORTED_MODULE_2__.of)(t).pipe(
                    // Fire NavigationStart event
                    (0,rxjs_operators__WEBPACK_IMPORTED_MODULE_5__.switchMap)(t => {
                        const transition = this.transitions.getValue();
                        eventsSubject.next(new NavigationStart(t.id, this.serializeUrl(t.extractedUrl), t.source, t.restoredState));
                        if (transition !== this.transitions.getValue()) {
                            return rxjs__WEBPACK_IMPORTED_MODULE_22__.EMPTY;
                        }
                        // This delay is required to match old behavior that forced
                        // navigation to always be async
                        return Promise.resolve(t);
                    }), 
                    // ApplyRedirects
                    applyRedirects$1(this.ngModule.injector, this.configLoader, this.urlSerializer, this.config), 
                    // Update the currentNavigation
                    (0,rxjs_operators__WEBPACK_IMPORTED_MODULE_18__.tap)(t => {
                        this.currentNavigation = Object.assign(Object.assign({}, this.currentNavigation), { finalUrl: t.urlAfterRedirects });
                    }), 
                    // Recognize
                    recognize$1(this.rootComponentType, this.config, (url) => this.serializeUrl(url), this.paramsInheritanceStrategy, this.relativeLinkResolution), 
                    // Update URL if in `eager` update mode
                    (0,rxjs_operators__WEBPACK_IMPORTED_MODULE_18__.tap)(t => {
                        if (this.urlUpdateStrategy === 'eager') {
                            if (!t.extras.skipLocationChange) {
                                this.setBrowserUrl(t.urlAfterRedirects, t);
                            }
                            this.browserUrlTree = t.urlAfterRedirects;
                        }
                        // Fire RoutesRecognized
                        const routesRecognized = new RoutesRecognized(t.id, this.serializeUrl(t.extractedUrl), this.serializeUrl(t.urlAfterRedirects), t.targetSnapshot);
                        eventsSubject.next(routesRecognized);
                    }));
                }
                else {
                    const processPreviousUrl = urlTransition && this.rawUrlTree &&
                        this.urlHandlingStrategy.shouldProcessUrl(this.rawUrlTree);
                    /* When the current URL shouldn't be processed, but the previous one was,
                     * we handle this "error condition" by navigating to the previously
                     * successful URL, but leaving the URL intact.*/
                    if (processPreviousUrl) {
                        const { id, extractedUrl, source, restoredState, extras } = t;
                        const navStart = new NavigationStart(id, this.serializeUrl(extractedUrl), source, restoredState);
                        eventsSubject.next(navStart);
                        const targetSnapshot = createEmptyState(extractedUrl, this.rootComponentType).snapshot;
                        return (0,rxjs__WEBPACK_IMPORTED_MODULE_2__.of)(Object.assign(Object.assign({}, t), { targetSnapshot, urlAfterRedirects: extractedUrl, extras: Object.assign(Object.assign({}, extras), { skipLocationChange: false, replaceUrl: false }) }));
                    }
                    else {
                        /* When neither the current or previous URL can be processed, do nothing
                         * other than update router's internal reference to the current "settled"
                         * URL. This way the next navigation will be coming from the current URL
                         * in the browser.
                         */
                        this.rawUrlTree = t.rawUrl;
                        this.browserUrlTree = t.urlAfterRedirects;
                        t.resolve(null);
                        return rxjs__WEBPACK_IMPORTED_MODULE_22__.EMPTY;
                    }
                }
            }), 
            // Before Preactivation
            switchTap(t => {
                const { targetSnapshot, id: navigationId, extractedUrl: appliedUrlTree, rawUrl: rawUrlTree, extras: { skipLocationChange, replaceUrl } } = t;
                return this.hooks.beforePreactivation(targetSnapshot, {
                    navigationId,
                    appliedUrlTree,
                    rawUrlTree,
                    skipLocationChange: !!skipLocationChange,
                    replaceUrl: !!replaceUrl,
                });
            }), 
            // --- GUARDS ---
            (0,rxjs_operators__WEBPACK_IMPORTED_MODULE_18__.tap)(t => {
                const guardsStart = new GuardsCheckStart(t.id, this.serializeUrl(t.extractedUrl), this.serializeUrl(t.urlAfterRedirects), t.targetSnapshot);
                this.triggerEvent(guardsStart);
            }), (0,rxjs_operators__WEBPACK_IMPORTED_MODULE_4__.map)(t => (Object.assign(Object.assign({}, t), { guards: getAllRouteGuards(t.targetSnapshot, t.currentSnapshot, this.rootContexts) }))), checkGuards(this.ngModule.injector, (evt) => this.triggerEvent(evt)), (0,rxjs_operators__WEBPACK_IMPORTED_MODULE_18__.tap)(t => {
                if (isUrlTree(t.guardsResult)) {
                    const error = navigationCancelingError(`Redirecting to "${this.serializeUrl(t.guardsResult)}"`);
                    error.url = t.guardsResult;
                    throw error;
                }
                const guardsEnd = new GuardsCheckEnd(t.id, this.serializeUrl(t.extractedUrl), this.serializeUrl(t.urlAfterRedirects), t.targetSnapshot, !!t.guardsResult);
                this.triggerEvent(guardsEnd);
            }), (0,rxjs_operators__WEBPACK_IMPORTED_MODULE_10__.filter)(t => {
                if (!t.guardsResult) {
                    this.restoreHistory(t);
                    this.cancelNavigationTransition(t, '');
                    return false;
                }
                return true;
            }), 
            // --- RESOLVE ---
            switchTap(t => {
                if (t.guards.canActivateChecks.length) {
                    return (0,rxjs__WEBPACK_IMPORTED_MODULE_2__.of)(t).pipe((0,rxjs_operators__WEBPACK_IMPORTED_MODULE_18__.tap)(t => {
                        const resolveStart = new ResolveStart(t.id, this.serializeUrl(t.extractedUrl), this.serializeUrl(t.urlAfterRedirects), t.targetSnapshot);
                        this.triggerEvent(resolveStart);
                    }), (0,rxjs_operators__WEBPACK_IMPORTED_MODULE_5__.switchMap)(t => {
                        let dataResolved = false;
                        return (0,rxjs__WEBPACK_IMPORTED_MODULE_2__.of)(t).pipe(resolveData(this.paramsInheritanceStrategy, this.ngModule.injector), (0,rxjs_operators__WEBPACK_IMPORTED_MODULE_18__.tap)({
                            next: () => dataResolved = true,
                            complete: () => {
                                if (!dataResolved) {
                                    this.restoreHistory(t);
                                    this.cancelNavigationTransition(t, `At least one route resolver didn't emit any value.`);
                                }
                            }
                        }));
                    }), (0,rxjs_operators__WEBPACK_IMPORTED_MODULE_18__.tap)(t => {
                        const resolveEnd = new ResolveEnd(t.id, this.serializeUrl(t.extractedUrl), this.serializeUrl(t.urlAfterRedirects), t.targetSnapshot);
                        this.triggerEvent(resolveEnd);
                    }));
                }
                return undefined;
            }), 
            // --- AFTER PREACTIVATION ---
            switchTap((t) => {
                const { targetSnapshot, id: navigationId, extractedUrl: appliedUrlTree, rawUrl: rawUrlTree, extras: { skipLocationChange, replaceUrl } } = t;
                return this.hooks.afterPreactivation(targetSnapshot, {
                    navigationId,
                    appliedUrlTree,
                    rawUrlTree,
                    skipLocationChange: !!skipLocationChange,
                    replaceUrl: !!replaceUrl,
                });
            }), (0,rxjs_operators__WEBPACK_IMPORTED_MODULE_4__.map)((t) => {
                const targetRouterState = createRouterState(this.routeReuseStrategy, t.targetSnapshot, t.currentRouterState);
                return (Object.assign(Object.assign({}, t), { targetRouterState }));
            }), 
            /* Once here, we are about to activate syncronously. The assumption is this
               will succeed, and user code may read from the Router service. Therefore
               before activation, we need to update router properties storing the current
               URL and the RouterState, as well as updated the browser URL. All this should
               happen *before* activating. */
            (0,rxjs_operators__WEBPACK_IMPORTED_MODULE_18__.tap)((t) => {
                this.currentUrlTree = t.urlAfterRedirects;
                this.rawUrlTree =
                    this.urlHandlingStrategy.merge(this.currentUrlTree, t.rawUrl);
                this.routerState = t.targetRouterState;
                if (this.urlUpdateStrategy === 'deferred') {
                    if (!t.extras.skipLocationChange) {
                        this.setBrowserUrl(this.rawUrlTree, t);
                    }
                    this.browserUrlTree = t.urlAfterRedirects;
                }
            }), activateRoutes(this.rootContexts, this.routeReuseStrategy, (evt) => this.triggerEvent(evt)), (0,rxjs_operators__WEBPACK_IMPORTED_MODULE_18__.tap)({
                next() {
                    completed = true;
                },
                complete() {
                    completed = true;
                }
            }), (0,rxjs_operators__WEBPACK_IMPORTED_MODULE_26__.finalize)(() => {
                /* When the navigation stream finishes either through error or success, we
                 * set the `completed` or `errored` flag. However, there are some situations
                 * where we could get here without either of those being set. For instance, a
                 * redirect during NavigationStart. Therefore, this is a catch-all to make
                 * sure the NavigationCancel
                 * event is fired when a navigation gets cancelled but not caught by other
                 * means. */
                if (!completed && !errored) {
                    const cancelationReason = `Navigation ID ${t.id} is not equal to the current navigation id ${this.navigationId}`;
                    if (this.canceledNavigationResolution === 'replace') {
                        // Must reset to current URL tree here to ensure history.state is set. On
                        // a fresh page load, if a new navigation comes in before a successful
                        // navigation completes, there will be nothing in
                        // history.state.navigationId. This can cause sync problems with
                        // AngularJS sync code which looks for a value here in order to determine
                        // whether or not to handle a given popstate event or to leave it to the
                        // Angular router.
                        this.restoreHistory(t);
                        this.cancelNavigationTransition(t, cancelationReason);
                    }
                    else {
                        // We cannot trigger a `location.historyGo` if the
                        // cancellation was due to a new navigation before the previous could
                        // complete. This is because `location.historyGo` triggers a `popstate`
                        // which would also trigger another navigation. Instead, treat this as a
                        // redirect and do not reset the state.
                        this.cancelNavigationTransition(t, cancelationReason);
                        // TODO(atscott): The same problem happens here with a fresh page load
                        // and a new navigation before that completes where we won't set a page
                        // id.
                    }
                }
                // currentNavigation should always be reset to null here. If navigation was
                // successful, lastSuccessfulTransition will have already been set. Therefore
                // we can safely set currentNavigation to null here.
                this.currentNavigation = null;
            }), (0,rxjs_operators__WEBPACK_IMPORTED_MODULE_12__.catchError)((e) => {
                // TODO(atscott): The NavigationTransition `t` used here does not accurately
                // reflect the current state of the whole transition because some operations
                // return a new object rather than modifying the one in the outermost
                // `switchMap`.
                //  The fix can likely be to:
                //  1. Rename the outer `t` variable so it's not shadowed all the time and
                //  confusing
                //  2. Keep reassigning to the outer variable after each stage to ensure it
                //  gets updated. Or change the implementations to not return a copy.
                // Not changed yet because it affects existing code and would need to be
                // tested more thoroughly.
                errored = true;
                /* This error type is issued during Redirect, and is handled as a
                 * cancellation rather than an error. */
                if (isNavigationCancelingError(e)) {
                    const redirecting = isUrlTree(e.url);
                    if (!redirecting) {
                        // Set property only if we're not redirecting. If we landed on a page and
                        // redirect to `/` route, the new navigation is going to see the `/`
                        // isn't a change from the default currentUrlTree and won't navigate.
                        // This is only applicable with initial navigation, so setting
                        // `navigated` only when not redirecting resolves this scenario.
                        this.navigated = true;
                        this.restoreHistory(t, true);
                    }
                    const navCancel = new NavigationCancel(t.id, this.serializeUrl(t.extractedUrl), e.message);
                    eventsSubject.next(navCancel);
                    // When redirecting, we need to delay resolving the navigation
                    // promise and push it to the redirect navigation
                    if (!redirecting) {
                        t.resolve(false);
                    }
                    else {
                        // setTimeout is required so this navigation finishes with
                        // the return EMPTY below. If it isn't allowed to finish
                        // processing, there can be multiple navigations to the same
                        // URL.
                        setTimeout(() => {
                            const mergedTree = this.urlHandlingStrategy.merge(e.url, this.rawUrlTree);
                            const extras = {
                                skipLocationChange: t.extras.skipLocationChange,
                                replaceUrl: this.urlUpdateStrategy === 'eager'
                            };
                            this.scheduleNavigation(mergedTree, 'imperative', null, extras, { resolve: t.resolve, reject: t.reject, promise: t.promise });
                        }, 0);
                    }
                    /* All other errors should reset to the router's internal URL reference to
                     * the pre-error state. */
                }
                else {
                    this.restoreHistory(t, true);
                    const navError = new NavigationError(t.id, this.serializeUrl(t.extractedUrl), e);
                    eventsSubject.next(navError);
                    try {
                        t.resolve(this.errorHandler(e));
                    }
                    catch (ee) {
                        t.reject(ee);
                    }
                }
                return rxjs__WEBPACK_IMPORTED_MODULE_22__.EMPTY;
            }));
            // TODO(jasonaden): remove cast once g3 is on updated TypeScript
        }));
    }
    /**
     * @internal
     * TODO: this should be removed once the constructor of the router made internal
     */
    resetRootComponentType(rootComponentType) {
        this.rootComponentType = rootComponentType;
        // TODO: vsavkin router 4.0 should make the root component set to null
        // this will simplify the lifecycle of the router.
        this.routerState.root.component = this.rootComponentType;
    }
    getTransition() {
        const transition = this.transitions.value;
        // This value needs to be set. Other values such as extractedUrl are set on initial navigation
        // but the urlAfterRedirects may not get set if we aren't processing the new URL *and* not
        // processing the previous URL.
        transition.urlAfterRedirects = this.browserUrlTree;
        return transition;
    }
    setTransition(t) {
        this.transitions.next(Object.assign(Object.assign({}, this.getTransition()), t));
    }
    /**
     * Sets up the location change listener and performs the initial navigation.
     */
    initialNavigation() {
        this.setUpLocationChangeListener();
        if (this.navigationId === 0) {
            this.navigateByUrl(this.location.path(true), { replaceUrl: true });
        }
    }
    /**
     * Sets up the location change listener. This listener detects navigations triggered from outside
     * the Router (the browser back/forward buttons, for example) and schedules a corresponding Router
     * navigation so that the correct events, guards, etc. are triggered.
     */
    setUpLocationChangeListener() {
        // Don't need to use Zone.wrap any more, because zone.js
        // already patch onPopState, so location change callback will
        // run into ngZone
        if (!this.locationSubscription) {
            this.locationSubscription = this.location.subscribe(event => {
                const currentChange = this.extractLocationChangeInfoFromEvent(event);
                // The `setTimeout` was added in #12160 and is likely to support Angular/AngularJS
                // hybrid apps.
                if (this.shouldScheduleNavigation(this.lastLocationChangeInfo, currentChange)) {
                    setTimeout(() => {
                        const { source, state, urlTree } = currentChange;
                        const extras = { replaceUrl: true };
                        if (state) {
                            const stateCopy = Object.assign({}, state);
                            delete stateCopy.navigationId;
                            delete stateCopy.ɵrouterPageId;
                            if (Object.keys(stateCopy).length !== 0) {
                                extras.state = stateCopy;
                            }
                        }
                        this.scheduleNavigation(urlTree, source, state, extras);
                    }, 0);
                }
                this.lastLocationChangeInfo = currentChange;
            });
        }
    }
    /** Extracts router-related information from a `PopStateEvent`. */
    extractLocationChangeInfoFromEvent(change) {
        var _a;
        return {
            source: change['type'] === 'popstate' ? 'popstate' : 'hashchange',
            urlTree: this.parseUrl(change['url']),
            // Navigations coming from Angular router have a navigationId state
            // property. When this exists, restore the state.
            state: ((_a = change.state) === null || _a === void 0 ? void 0 : _a.navigationId) ? change.state : null,
            transitionId: this.getTransition().id
        };
    }
    /**
     * Determines whether two events triggered by the Location subscription are due to the same
     * navigation. The location subscription can fire two events (popstate and hashchange) for a
     * single navigation. The second one should be ignored, that is, we should not schedule another
     * navigation in the Router.
     */
    shouldScheduleNavigation(previous, current) {
        if (!previous)
            return true;
        const sameDestination = current.urlTree.toString() === previous.urlTree.toString();
        const eventsOccurredAtSameTime = current.transitionId === previous.transitionId;
        if (!eventsOccurredAtSameTime || !sameDestination) {
            return true;
        }
        if ((current.source === 'hashchange' && previous.source === 'popstate') ||
            (current.source === 'popstate' && previous.source === 'hashchange')) {
            return false;
        }
        return true;
    }
    /** The current URL. */
    get url() {
        return this.serializeUrl(this.currentUrlTree);
    }
    /**
     * Returns the current `Navigation` object when the router is navigating,
     * and `null` when idle.
     */
    getCurrentNavigation() {
        return this.currentNavigation;
    }
    /** @internal */
    triggerEvent(event) {
        this.events.next(event);
    }
    /**
     * Resets the route configuration used for navigation and generating links.
     *
     * @param config The route array for the new configuration.
     *
     * @usageNotes
     *
     * ```
     * router.resetConfig([
     *  { path: 'team/:id', component: TeamCmp, children: [
     *    { path: 'simple', component: SimpleCmp },
     *    { path: 'user/:name', component: UserCmp }
     *  ]}
     * ]);
     * ```
     */
    resetConfig(config) {
        validateConfig(config);
        this.config = config.map(standardizeConfig);
        this.navigated = false;
        this.lastSuccessfulId = -1;
    }
    /** @nodoc */
    ngOnDestroy() {
        this.dispose();
    }
    /** Disposes of the router. */
    dispose() {
        this.transitions.complete();
        if (this.locationSubscription) {
            this.locationSubscription.unsubscribe();
            this.locationSubscription = undefined;
        }
        this.disposed = true;
    }
    /**
     * Appends URL segments to the current URL tree to create a new URL tree.
     *
     * @param commands An array of URL fragments with which to construct the new URL tree.
     * If the path is static, can be the literal URL string. For a dynamic path, pass an array of path
     * segments, followed by the parameters for each segment.
     * The fragments are applied to the current URL tree or the one provided  in the `relativeTo`
     * property of the options object, if supplied.
     * @param navigationExtras Options that control the navigation strategy.
     * @returns The new URL tree.
     *
     * @usageNotes
     *
     * ```
     * // create /team/33/user/11
     * router.createUrlTree(['/team', 33, 'user', 11]);
     *
     * // create /team/33;expand=true/user/11
     * router.createUrlTree(['/team', 33, {expand: true}, 'user', 11]);
     *
     * // you can collapse static segments like this (this works only with the first passed-in value):
     * router.createUrlTree(['/team/33/user', userId]);
     *
     * // If the first segment can contain slashes, and you do not want the router to split it,
     * // you can do the following:
     * router.createUrlTree([{segmentPath: '/one/two'}]);
     *
     * // create /team/33/(user/11//right:chat)
     * router.createUrlTree(['/team', 33, {outlets: {primary: 'user/11', right: 'chat'}}]);
     *
     * // remove the right secondary node
     * router.createUrlTree(['/team', 33, {outlets: {primary: 'user/11', right: null}}]);
     *
     * // assuming the current url is `/team/33/user/11` and the route points to `user/11`
     *
     * // navigate to /team/33/user/11/details
     * router.createUrlTree(['details'], {relativeTo: route});
     *
     * // navigate to /team/33/user/22
     * router.createUrlTree(['../22'], {relativeTo: route});
     *
     * // navigate to /team/44/user/22
     * router.createUrlTree(['../../team/44/user/22'], {relativeTo: route});
     *
     * Note that a value of `null` or `undefined` for `relativeTo` indicates that the
     * tree should be created relative to the root.
     * ```
     */
    createUrlTree(commands, navigationExtras = {}) {
        const { relativeTo, queryParams, fragment, queryParamsHandling, preserveFragment } = navigationExtras;
        const a = relativeTo || this.routerState.root;
        const f = preserveFragment ? this.currentUrlTree.fragment : fragment;
        let q = null;
        switch (queryParamsHandling) {
            case 'merge':
                q = Object.assign(Object.assign({}, this.currentUrlTree.queryParams), queryParams);
                break;
            case 'preserve':
                q = this.currentUrlTree.queryParams;
                break;
            default:
                q = queryParams || null;
        }
        if (q !== null) {
            q = this.removeEmptyProps(q);
        }
        return createUrlTree(a, this.currentUrlTree, commands, q, f !== null && f !== void 0 ? f : null);
    }
    /**
     * Navigates to a view using an absolute route path.
     *
     * @param url An absolute path for a defined route. The function does not apply any delta to the
     *     current URL.
     * @param extras An object containing properties that modify the navigation strategy.
     *
     * @returns A Promise that resolves to 'true' when navigation succeeds,
     * to 'false' when navigation fails, or is rejected on error.
     *
     * @usageNotes
     *
     * The following calls request navigation to an absolute path.
     *
     * ```
     * router.navigateByUrl("/team/33/user/11");
     *
     * // Navigate without updating the URL
     * router.navigateByUrl("/team/33/user/11", { skipLocationChange: true });
     * ```
     *
     * @see [Routing and Navigation guide](guide/router)
     *
     */
    navigateByUrl(url, extras = {
        skipLocationChange: false
    }) {
        if (typeof ngDevMode === 'undefined' ||
            ngDevMode && this.isNgZoneEnabled && !_angular_core__WEBPACK_IMPORTED_MODULE_0__.NgZone.isInAngularZone()) {
            this.console.warn(`Navigation triggered outside Angular zone, did you forget to call 'ngZone.run()'?`);
        }
        const urlTree = isUrlTree(url) ? url : this.parseUrl(url);
        const mergedTree = this.urlHandlingStrategy.merge(urlTree, this.rawUrlTree);
        return this.scheduleNavigation(mergedTree, 'imperative', null, extras);
    }
    /**
     * Navigate based on the provided array of commands and a starting point.
     * If no starting route is provided, the navigation is absolute.
     *
     * @param commands An array of URL fragments with which to construct the target URL.
     * If the path is static, can be the literal URL string. For a dynamic path, pass an array of path
     * segments, followed by the parameters for each segment.
     * The fragments are applied to the current URL or the one provided  in the `relativeTo` property
     * of the options object, if supplied.
     * @param extras An options object that determines how the URL should be constructed or
     *     interpreted.
     *
     * @returns A Promise that resolves to `true` when navigation succeeds, to `false` when navigation
     *     fails,
     * or is rejected on error.
     *
     * @usageNotes
     *
     * The following calls request navigation to a dynamic route path relative to the current URL.
     *
     * ```
     * router.navigate(['team', 33, 'user', 11], {relativeTo: route});
     *
     * // Navigate without updating the URL, overriding the default behavior
     * router.navigate(['team', 33, 'user', 11], {relativeTo: route, skipLocationChange: true});
     * ```
     *
     * @see [Routing and Navigation guide](guide/router)
     *
     */
    navigate(commands, extras = { skipLocationChange: false }) {
        validateCommands(commands);
        return this.navigateByUrl(this.createUrlTree(commands, extras), extras);
    }
    /** Serializes a `UrlTree` into a string */
    serializeUrl(url) {
        return this.urlSerializer.serialize(url);
    }
    /** Parses a string into a `UrlTree` */
    parseUrl(url) {
        let urlTree;
        try {
            urlTree = this.urlSerializer.parse(url);
        }
        catch (e) {
            urlTree = this.malformedUriErrorHandler(e, this.urlSerializer, url);
        }
        return urlTree;
    }
    isActive(url, matchOptions) {
        let options;
        if (matchOptions === true) {
            options = Object.assign({}, exactMatchOptions);
        }
        else if (matchOptions === false) {
            options = Object.assign({}, subsetMatchOptions);
        }
        else {
            options = matchOptions;
        }
        if (isUrlTree(url)) {
            return containsTree(this.currentUrlTree, url, options);
        }
        const urlTree = this.parseUrl(url);
        return containsTree(this.currentUrlTree, urlTree, options);
    }
    removeEmptyProps(params) {
        return Object.keys(params).reduce((result, key) => {
            const value = params[key];
            if (value !== null && value !== undefined) {
                result[key] = value;
            }
            return result;
        }, {});
    }
    processNavigations() {
        this.navigations.subscribe(t => {
            this.navigated = true;
            this.lastSuccessfulId = t.id;
            this.currentPageId = t.targetPageId;
            this.events
                .next(new NavigationEnd(t.id, this.serializeUrl(t.extractedUrl), this.serializeUrl(this.currentUrlTree)));
            this.lastSuccessfulNavigation = this.currentNavigation;
            t.resolve(true);
        }, e => {
            this.console.warn(`Unhandled Navigation Error: `);
        });
    }
    scheduleNavigation(rawUrl, source, restoredState, extras, priorPromise) {
        var _a, _b;
        if (this.disposed) {
            return Promise.resolve(false);
        }
        // * Imperative navigations (router.navigate) might trigger additional navigations to the same
        //   URL via a popstate event and the locationChangeListener. We should skip these duplicate
        //   navs. Duplicates may also be triggered by attempts to sync AngularJS and Angular router
        //   states.
        // * Imperative navigations can be cancelled by router guards, meaning the URL won't change. If
        //   the user follows that with a navigation using the back/forward button or manual URL change,
        //   the destination may be the same as the previous imperative attempt. We should not skip
        //   these navigations because it's a separate case from the one above -- it's not a duplicate
        //   navigation.
        const lastNavigation = this.getTransition();
        // We don't want to skip duplicate successful navs if they're imperative because
        // onSameUrlNavigation could be 'reload' (so the duplicate is intended).
        const browserNavPrecededByRouterNav = source !== 'imperative' && (lastNavigation === null || lastNavigation === void 0 ? void 0 : lastNavigation.source) === 'imperative';
        const lastNavigationSucceeded = this.lastSuccessfulId === lastNavigation.id;
        // If the last navigation succeeded or is in flight, we can use the rawUrl as the comparison.
        // However, if it failed, we should compare to the final result (urlAfterRedirects).
        const lastNavigationUrl = (lastNavigationSucceeded || this.currentNavigation) ?
            lastNavigation.rawUrl :
            lastNavigation.urlAfterRedirects;
        const duplicateNav = lastNavigationUrl.toString() === rawUrl.toString();
        if (browserNavPrecededByRouterNav && duplicateNav) {
            return Promise.resolve(true); // return value is not used
        }
        let resolve;
        let reject;
        let promise;
        if (priorPromise) {
            resolve = priorPromise.resolve;
            reject = priorPromise.reject;
            promise = priorPromise.promise;
        }
        else {
            promise = new Promise((res, rej) => {
                resolve = res;
                reject = rej;
            });
        }
        const id = ++this.navigationId;
        let targetPageId;
        if (this.canceledNavigationResolution === 'computed') {
            const isInitialPage = this.currentPageId === 0;
            if (isInitialPage) {
                restoredState = this.location.getState();
            }
            // If the `ɵrouterPageId` exist in the state then `targetpageId` should have the value of
            // `ɵrouterPageId`. This is the case for something like a page refresh where we assign the
            // target id to the previously set value for that page.
            if (restoredState && restoredState.ɵrouterPageId) {
                targetPageId = restoredState.ɵrouterPageId;
            }
            else {
                // If we're replacing the URL or doing a silent navigation, we do not want to increment the
                // page id because we aren't pushing a new entry to history.
                if (extras.replaceUrl || extras.skipLocationChange) {
                    targetPageId = (_a = this.browserPageId) !== null && _a !== void 0 ? _a : 0;
                }
                else {
                    targetPageId = ((_b = this.browserPageId) !== null && _b !== void 0 ? _b : 0) + 1;
                }
            }
        }
        else {
            // This is unused when `canceledNavigationResolution` is not computed.
            targetPageId = 0;
        }
        this.setTransition({
            id,
            targetPageId,
            source,
            restoredState,
            currentUrlTree: this.currentUrlTree,
            currentRawUrl: this.rawUrlTree,
            rawUrl,
            extras,
            resolve,
            reject,
            promise,
            currentSnapshot: this.routerState.snapshot,
            currentRouterState: this.routerState
        });
        // Make sure that the error is propagated even though `processNavigations` catch
        // handler does not rethrow
        return promise.catch((e) => {
            return Promise.reject(e);
        });
    }
    setBrowserUrl(url, t) {
        const path = this.urlSerializer.serialize(url);
        const state = Object.assign(Object.assign({}, t.extras.state), this.generateNgRouterState(t.id, t.targetPageId));
        if (this.location.isCurrentPathEqualTo(path) || !!t.extras.replaceUrl) {
            this.location.replaceState(path, '', state);
        }
        else {
            this.location.go(path, '', state);
        }
    }
    /**
     * Performs the necessary rollback action to restore the browser URL to the
     * state before the transition.
     */
    restoreHistory(t, restoringFromCaughtError = false) {
        var _a, _b;
        if (this.canceledNavigationResolution === 'computed') {
            const targetPagePosition = this.currentPageId - t.targetPageId;
            // The navigator change the location before triggered the browser event,
            // so we need to go back to the current url if the navigation is canceled.
            // Also, when navigation gets cancelled while using url update strategy eager, then we need to
            // go back. Because, when `urlUpdateSrategy` is `eager`; `setBrowserUrl` method is called
            // before any verification.
            const browserUrlUpdateOccurred = (t.source === 'popstate' || this.urlUpdateStrategy === 'eager' ||
                this.currentUrlTree === ((_a = this.currentNavigation) === null || _a === void 0 ? void 0 : _a.finalUrl));
            if (browserUrlUpdateOccurred && targetPagePosition !== 0) {
                this.location.historyGo(targetPagePosition);
            }
            else if (this.currentUrlTree === ((_b = this.currentNavigation) === null || _b === void 0 ? void 0 : _b.finalUrl) && targetPagePosition === 0) {
                // We got to the activation stage (where currentUrlTree is set to the navigation's
                // finalUrl), but we weren't moving anywhere in history (skipLocationChange or replaceUrl).
                // We still need to reset the router state back to what it was when the navigation started.
                this.resetState(t);
                // TODO(atscott): resetting the `browserUrlTree` should really be done in `resetState`.
                // Investigate if this can be done by running TGP.
                this.browserUrlTree = t.currentUrlTree;
                this.resetUrlToCurrentUrlTree();
            }
            else {
                // The browser URL and router state was not updated before the navigation cancelled so
                // there's no restoration needed.
            }
        }
        else if (this.canceledNavigationResolution === 'replace') {
            // TODO(atscott): It seems like we should _always_ reset the state here. It would be a no-op
            // for `deferred` navigations that haven't change the internal state yet because guards
            // reject. For 'eager' navigations, it seems like we also really should reset the state
            // because the navigation was cancelled. Investigate if this can be done by running TGP.
            if (restoringFromCaughtError) {
                this.resetState(t);
            }
            this.resetUrlToCurrentUrlTree();
        }
    }
    resetState(t) {
        this.routerState = t.currentRouterState;
        this.currentUrlTree = t.currentUrlTree;
        this.rawUrlTree = this.urlHandlingStrategy.merge(this.currentUrlTree, t.rawUrl);
    }
    resetUrlToCurrentUrlTree() {
        this.location.replaceState(this.urlSerializer.serialize(this.rawUrlTree), '', this.generateNgRouterState(this.lastSuccessfulId, this.currentPageId));
    }
    cancelNavigationTransition(t, reason) {
        const navCancel = new NavigationCancel(t.id, this.serializeUrl(t.extractedUrl), reason);
        this.triggerEvent(navCancel);
        t.resolve(false);
    }
    generateNgRouterState(navigationId, routerPageId) {
        if (this.canceledNavigationResolution === 'computed') {
            return { navigationId, ɵrouterPageId: routerPageId };
        }
        return { navigationId };
    }
}
Router.ɵfac = function Router_Factory(t) { return new (t || Router)(_angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵɵinject"](_angular_core__WEBPACK_IMPORTED_MODULE_0__.Type), _angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵɵinject"](UrlSerializer), _angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵɵinject"](ChildrenOutletContexts), _angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵɵinject"](_angular_common__WEBPACK_IMPORTED_MODULE_27__.Location), _angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵɵinject"](_angular_core__WEBPACK_IMPORTED_MODULE_0__.Injector), _angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵɵinject"](_angular_core__WEBPACK_IMPORTED_MODULE_0__.NgModuleFactoryLoader), _angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵɵinject"](_angular_core__WEBPACK_IMPORTED_MODULE_0__.Compiler), _angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵɵinject"](undefined)); };
Router.ɵprov = /*@__PURE__*/ _angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵɵdefineInjectable"]({ token: Router, factory: Router.ɵfac });
Router.ctorParameters = () => [
    { type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Type },
    { type: UrlSerializer },
    { type: ChildrenOutletContexts },
    { type: _angular_common__WEBPACK_IMPORTED_MODULE_27__.Location },
    { type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Injector },
    { type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.NgModuleFactoryLoader },
    { type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Compiler },
    { type: undefined }
];
(function () { (typeof ngDevMode === "undefined" || ngDevMode) && _angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵsetClassMetadata"](Router, [{
        type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Injectable
    }], function () { return [{ type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Type }, { type: UrlSerializer }, { type: ChildrenOutletContexts }, { type: _angular_common__WEBPACK_IMPORTED_MODULE_27__.Location }, { type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Injector }, { type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.NgModuleFactoryLoader }, { type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Compiler }, { type: undefined }]; }, null); })();
function validateCommands(commands) {
    for (let i = 0; i < commands.length; i++) {
        const cmd = commands[i];
        if (cmd == null) {
            throw new Error(`The requested path contains ${cmd} segment at index ${i}`);
        }
    }
}

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
/**
 * @description
 *
 * When applied to an element in a template, makes that element a link
 * that initiates navigation to a route. Navigation opens one or more routed components
 * in one or more `<router-outlet>` locations on the page.
 *
 * Given a route configuration `[{ path: 'user/:name', component: UserCmp }]`,
 * the following creates a static link to the route:
 * `<a routerLink="/user/bob">link to user component</a>`
 *
 * You can use dynamic values to generate the link.
 * For a dynamic link, pass an array of path segments,
 * followed by the params for each segment.
 * For example, `['/team', teamId, 'user', userName, {details: true}]`
 * generates a link to `/team/11/user/bob;details=true`.
 *
 * Multiple static segments can be merged into one term and combined with dynamic segements.
 * For example, `['/team/11/user', userName, {details: true}]`
 *
 * The input that you provide to the link is treated as a delta to the current URL.
 * For instance, suppose the current URL is `/user/(box//aux:team)`.
 * The link `<a [routerLink]="['/user/jim']">Jim</a>` creates the URL
 * `/user/(jim//aux:team)`.
 * See {@link Router#createUrlTree createUrlTree} for more information.
 *
 * @usageNotes
 *
 * You can use absolute or relative paths in a link, set query parameters,
 * control how parameters are handled, and keep a history of navigation states.
 *
 * ### Relative link paths
 *
 * The first segment name can be prepended with `/`, `./`, or `../`.
 * * If the first segment begins with `/`, the router looks up the route from the root of the
 *   app.
 * * If the first segment begins with `./`, or doesn't begin with a slash, the router
 *   looks in the children of the current activated route.
 * * If the first segment begins with `../`, the router goes up one level in the route tree.
 *
 * ### Setting and handling query params and fragments
 *
 * The following link adds a query parameter and a fragment to the generated URL:
 *
 * ```
 * <a [routerLink]="['/user/bob']" [queryParams]="{debug: true}" fragment="education">
 *   link to user component
 * </a>
 * ```
 * By default, the directive constructs the new URL using the given query parameters.
 * The example generates the link: `/user/bob?debug=true#education`.
 *
 * You can instruct the directive to handle query parameters differently
 * by specifying the `queryParamsHandling` option in the link.
 * Allowed values are:
 *
 *  - `'merge'`: Merge the given `queryParams` into the current query params.
 *  - `'preserve'`: Preserve the current query params.
 *
 * For example:
 *
 * ```
 * <a [routerLink]="['/user/bob']" [queryParams]="{debug: true}" queryParamsHandling="merge">
 *   link to user component
 * </a>
 * ```
 *
 * See {@link UrlCreationOptions.queryParamsHandling UrlCreationOptions#queryParamsHandling}.
 *
 * ### Preserving navigation history
 *
 * You can provide a `state` value to be persisted to the browser's
 * [`History.state` property](https://developer.mozilla.org/en-US/docs/Web/API/History#Properties).
 * For example:
 *
 * ```
 * <a [routerLink]="['/user/bob']" [state]="{tracingId: 123}">
 *   link to user component
 * </a>
 * ```
 *
 * Use {@link Router.getCurrentNavigation() Router#getCurrentNavigation} to retrieve a saved
 * navigation-state value. For example, to capture the `tracingId` during the `NavigationStart`
 * event:
 *
 * ```
 * // Get NavigationStart events
 * router.events.pipe(filter(e => e instanceof NavigationStart)).subscribe(e => {
 *   const navigation = router.getCurrentNavigation();
 *   tracingService.trace({id: navigation.extras.state.tracingId});
 * });
 * ```
 *
 * @ngModule RouterModule
 *
 * @publicApi
 */
class RouterLink {
    constructor(router, route, tabIndex, renderer, el) {
        this.router = router;
        this.route = route;
        this.commands = [];
        /** @internal */
        this.onChanges = new rxjs__WEBPACK_IMPORTED_MODULE_24__.Subject();
        if (tabIndex == null) {
            renderer.setAttribute(el.nativeElement, 'tabindex', '0');
        }
    }
    /** @nodoc */
    ngOnChanges(changes) {
        // This is subscribed to by `RouterLinkActive` so that it knows to update when there are changes
        // to the RouterLinks it's tracking.
        this.onChanges.next(this);
    }
    /**
     * Commands to pass to {@link Router#createUrlTree Router#createUrlTree}.
     *   - **array**: commands to pass to {@link Router#createUrlTree Router#createUrlTree}.
     *   - **string**: shorthand for array of commands with just the string, i.e. `['/route']`
     *   - **null|undefined**: shorthand for an empty array of commands, i.e. `[]`
     * @see {@link Router#createUrlTree Router#createUrlTree}
     */
    set routerLink(commands) {
        if (commands != null) {
            this.commands = Array.isArray(commands) ? commands : [commands];
        }
        else {
            this.commands = [];
        }
    }
    /** @nodoc */
    onClick() {
        const extras = {
            skipLocationChange: attrBoolValue(this.skipLocationChange),
            replaceUrl: attrBoolValue(this.replaceUrl),
            state: this.state,
        };
        this.router.navigateByUrl(this.urlTree, extras);
        return true;
    }
    get urlTree() {
        return this.router.createUrlTree(this.commands, {
            // If the `relativeTo` input is not defined, we want to use `this.route` by default.
            // Otherwise, we should use the value provided by the user in the input.
            relativeTo: this.relativeTo !== undefined ? this.relativeTo : this.route,
            queryParams: this.queryParams,
            fragment: this.fragment,
            queryParamsHandling: this.queryParamsHandling,
            preserveFragment: attrBoolValue(this.preserveFragment),
        });
    }
}
RouterLink.ɵfac = function RouterLink_Factory(t) { return new (t || RouterLink)(_angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵɵdirectiveInject"](Router), _angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵɵdirectiveInject"](ActivatedRoute), _angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵɵinjectAttribute"]('tabindex'), _angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵɵdirectiveInject"](_angular_core__WEBPACK_IMPORTED_MODULE_0__.Renderer2), _angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵɵdirectiveInject"](_angular_core__WEBPACK_IMPORTED_MODULE_0__.ElementRef)); };
RouterLink.ɵdir = /*@__PURE__*/ _angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵɵdefineDirective"]({ type: RouterLink, selectors: [["", "routerLink", "", 5, "a", 5, "area"]], hostBindings: function RouterLink_HostBindings(rf, ctx) { if (rf & 1) {
        _angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵɵlistener"]("click", function RouterLink_click_HostBindingHandler() { return ctx.onClick(); });
    } }, inputs: { routerLink: "routerLink", queryParams: "queryParams", fragment: "fragment", queryParamsHandling: "queryParamsHandling", preserveFragment: "preserveFragment", skipLocationChange: "skipLocationChange", replaceUrl: "replaceUrl", state: "state", relativeTo: "relativeTo" }, features: [_angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵɵNgOnChangesFeature"]] });
RouterLink.ctorParameters = () => [
    { type: Router },
    { type: ActivatedRoute },
    { type: String, decorators: [{ type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Attribute, args: ['tabindex',] }] },
    { type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Renderer2 },
    { type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.ElementRef }
];
RouterLink.propDecorators = {
    queryParams: [{ type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Input }],
    fragment: [{ type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Input }],
    queryParamsHandling: [{ type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Input }],
    preserveFragment: [{ type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Input }],
    skipLocationChange: [{ type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Input }],
    replaceUrl: [{ type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Input }],
    state: [{ type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Input }],
    relativeTo: [{ type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Input }],
    routerLink: [{ type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Input }],
    onClick: [{ type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.HostListener, args: ['click',] }]
};
(function () { (typeof ngDevMode === "undefined" || ngDevMode) && _angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵsetClassMetadata"](RouterLink, [{
        type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Directive,
        args: [{ selector: ':not(a):not(area)[routerLink]' }]
    }], function () { return [{ type: Router }, { type: ActivatedRoute }, { type: String, decorators: [{
                type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Attribute,
                args: ['tabindex']
            }] }, { type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Renderer2 }, { type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.ElementRef }]; }, { routerLink: [{
            type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Input
        }], 
    /** @nodoc */
    onClick: [{
            type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.HostListener,
            args: ['click']
        }], queryParams: [{
            type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Input
        }], fragment: [{
            type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Input
        }], queryParamsHandling: [{
            type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Input
        }], preserveFragment: [{
            type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Input
        }], skipLocationChange: [{
            type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Input
        }], replaceUrl: [{
            type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Input
        }], state: [{
            type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Input
        }], relativeTo: [{
            type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Input
        }] }); })();
/**
 * @description
 *
 * Lets you link to specific routes in your app.
 *
 * See `RouterLink` for more information.
 *
 * @ngModule RouterModule
 *
 * @publicApi
 */
class RouterLinkWithHref {
    constructor(router, route, locationStrategy) {
        this.router = router;
        this.route = route;
        this.locationStrategy = locationStrategy;
        this.commands = [];
        /** @internal */
        this.onChanges = new rxjs__WEBPACK_IMPORTED_MODULE_24__.Subject();
        this.subscription = router.events.subscribe((s) => {
            if (s instanceof NavigationEnd) {
                this.updateTargetUrlAndHref();
            }
        });
    }
    /**
     * Commands to pass to {@link Router#createUrlTree Router#createUrlTree}.
     *   - **array**: commands to pass to {@link Router#createUrlTree Router#createUrlTree}.
     *   - **string**: shorthand for array of commands with just the string, i.e. `['/route']`
     *   - **null|undefined**: shorthand for an empty array of commands, i.e. `[]`
     * @see {@link Router#createUrlTree Router#createUrlTree}
     */
    set routerLink(commands) {
        if (commands != null) {
            this.commands = Array.isArray(commands) ? commands : [commands];
        }
        else {
            this.commands = [];
        }
    }
    /** @nodoc */
    ngOnChanges(changes) {
        this.updateTargetUrlAndHref();
        this.onChanges.next(this);
    }
    /** @nodoc */
    ngOnDestroy() {
        this.subscription.unsubscribe();
    }
    /** @nodoc */
    onClick(button, ctrlKey, shiftKey, altKey, metaKey) {
        if (button !== 0 || ctrlKey || shiftKey || altKey || metaKey) {
            return true;
        }
        if (typeof this.target === 'string' && this.target != '_self') {
            return true;
        }
        const extras = {
            skipLocationChange: attrBoolValue(this.skipLocationChange),
            replaceUrl: attrBoolValue(this.replaceUrl),
            state: this.state
        };
        this.router.navigateByUrl(this.urlTree, extras);
        return false;
    }
    updateTargetUrlAndHref() {
        this.href = this.locationStrategy.prepareExternalUrl(this.router.serializeUrl(this.urlTree));
    }
    get urlTree() {
        return this.router.createUrlTree(this.commands, {
            // If the `relativeTo` input is not defined, we want to use `this.route` by default.
            // Otherwise, we should use the value provided by the user in the input.
            relativeTo: this.relativeTo !== undefined ? this.relativeTo : this.route,
            queryParams: this.queryParams,
            fragment: this.fragment,
            queryParamsHandling: this.queryParamsHandling,
            preserveFragment: attrBoolValue(this.preserveFragment),
        });
    }
}
RouterLinkWithHref.ɵfac = function RouterLinkWithHref_Factory(t) { return new (t || RouterLinkWithHref)(_angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵɵdirectiveInject"](Router), _angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵɵdirectiveInject"](ActivatedRoute), _angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵɵdirectiveInject"](_angular_common__WEBPACK_IMPORTED_MODULE_27__.LocationStrategy)); };
RouterLinkWithHref.ɵdir = /*@__PURE__*/ _angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵɵdefineDirective"]({ type: RouterLinkWithHref, selectors: [["a", "routerLink", ""], ["area", "routerLink", ""]], hostVars: 2, hostBindings: function RouterLinkWithHref_HostBindings(rf, ctx) { if (rf & 1) {
        _angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵɵlistener"]("click", function RouterLinkWithHref_click_HostBindingHandler($event) { return ctx.onClick($event.button, $event.ctrlKey, $event.shiftKey, $event.altKey, $event.metaKey); });
    } if (rf & 2) {
        _angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵɵhostProperty"]("href", ctx.href, _angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵɵsanitizeUrl"]);
        _angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵɵattribute"]("target", ctx.target);
    } }, inputs: { routerLink: "routerLink", target: "target", queryParams: "queryParams", fragment: "fragment", queryParamsHandling: "queryParamsHandling", preserveFragment: "preserveFragment", skipLocationChange: "skipLocationChange", replaceUrl: "replaceUrl", state: "state", relativeTo: "relativeTo" }, features: [_angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵɵNgOnChangesFeature"]] });
RouterLinkWithHref.ctorParameters = () => [
    { type: Router },
    { type: ActivatedRoute },
    { type: _angular_common__WEBPACK_IMPORTED_MODULE_27__.LocationStrategy }
];
RouterLinkWithHref.propDecorators = {
    target: [{ type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.HostBinding, args: ['attr.target',] }, { type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Input }],
    queryParams: [{ type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Input }],
    fragment: [{ type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Input }],
    queryParamsHandling: [{ type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Input }],
    preserveFragment: [{ type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Input }],
    skipLocationChange: [{ type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Input }],
    replaceUrl: [{ type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Input }],
    state: [{ type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Input }],
    relativeTo: [{ type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Input }],
    href: [{ type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.HostBinding }],
    routerLink: [{ type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Input }],
    onClick: [{ type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.HostListener, args: ['click',
                ['$event.button', '$event.ctrlKey', '$event.shiftKey', '$event.altKey', '$event.metaKey'],] }]
};
(function () { (typeof ngDevMode === "undefined" || ngDevMode) && _angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵsetClassMetadata"](RouterLinkWithHref, [{
        type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Directive,
        args: [{ selector: 'a[routerLink],area[routerLink]' }]
    }], function () { return [{ type: Router }, { type: ActivatedRoute }, { type: _angular_common__WEBPACK_IMPORTED_MODULE_27__.LocationStrategy }]; }, { routerLink: [{
            type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Input
        }], 
    /** @nodoc */
    onClick: [{
            type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.HostListener,
            args: ['click',
                ['$event.button', '$event.ctrlKey', '$event.shiftKey', '$event.altKey', '$event.metaKey']]
        }], href: [{
            type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.HostBinding
        }], target: [{
            type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.HostBinding,
            args: ['attr.target']
        }, {
            type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Input
        }], queryParams: [{
            type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Input
        }], fragment: [{
            type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Input
        }], queryParamsHandling: [{
            type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Input
        }], preserveFragment: [{
            type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Input
        }], skipLocationChange: [{
            type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Input
        }], replaceUrl: [{
            type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Input
        }], state: [{
            type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Input
        }], relativeTo: [{
            type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Input
        }] }); })();
function attrBoolValue(s) {
    return s === '' || !!s;
}

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
/**
 *
 * @description
 *
 * Tracks whether the linked route of an element is currently active, and allows you
 * to specify one or more CSS classes to add to the element when the linked route
 * is active.
 *
 * Use this directive to create a visual distinction for elements associated with an active route.
 * For example, the following code highlights the word "Bob" when the router
 * activates the associated route:
 *
 * ```
 * <a routerLink="/user/bob" routerLinkActive="active-link">Bob</a>
 * ```
 *
 * Whenever the URL is either '/user' or '/user/bob', the "active-link" class is
 * added to the anchor tag. If the URL changes, the class is removed.
 *
 * You can set more than one class using a space-separated string or an array.
 * For example:
 *
 * ```
 * <a routerLink="/user/bob" routerLinkActive="class1 class2">Bob</a>
 * <a routerLink="/user/bob" [routerLinkActive]="['class1', 'class2']">Bob</a>
 * ```
 *
 * To add the classes only when the URL matches the link exactly, add the option `exact: true`:
 *
 * ```
 * <a routerLink="/user/bob" routerLinkActive="active-link" [routerLinkActiveOptions]="{exact:
 * true}">Bob</a>
 * ```
 *
 * To directly check the `isActive` status of the link, assign the `RouterLinkActive`
 * instance to a template variable.
 * For example, the following checks the status without assigning any CSS classes:
 *
 * ```
 * <a routerLink="/user/bob" routerLinkActive #rla="routerLinkActive">
 *   Bob {{ rla.isActive ? '(already open)' : ''}}
 * </a>
 * ```
 *
 * You can apply the `RouterLinkActive` directive to an ancestor of linked elements.
 * For example, the following sets the active-link class on the `<div>`  parent tag
 * when the URL is either '/user/jim' or '/user/bob'.
 *
 * ```
 * <div routerLinkActive="active-link" [routerLinkActiveOptions]="{exact: true}">
 *   <a routerLink="/user/jim">Jim</a>
 *   <a routerLink="/user/bob">Bob</a>
 * </div>
 * ```
 *
 * @ngModule RouterModule
 *
 * @publicApi
 */
class RouterLinkActive {
    constructor(router, element, renderer, cdr, link, linkWithHref) {
        this.router = router;
        this.element = element;
        this.renderer = renderer;
        this.cdr = cdr;
        this.link = link;
        this.linkWithHref = linkWithHref;
        this.classes = [];
        this.isActive = false;
        /**
         * Options to configure how to determine if the router link is active.
         *
         * These options are passed to the `Router.isActive()` function.
         *
         * @see Router.isActive
         */
        this.routerLinkActiveOptions = { exact: false };
        this.routerEventsSubscription = router.events.subscribe((s) => {
            if (s instanceof NavigationEnd) {
                this.update();
            }
        });
    }
    /** @nodoc */
    ngAfterContentInit() {
        // `of(null)` is used to force subscribe body to execute once immediately (like `startWith`).
        (0,rxjs__WEBPACK_IMPORTED_MODULE_2__.of)(this.links.changes, this.linksWithHrefs.changes, (0,rxjs__WEBPACK_IMPORTED_MODULE_2__.of)(null)).pipe((0,rxjs_operators__WEBPACK_IMPORTED_MODULE_28__.mergeAll)()).subscribe(_ => {
            this.update();
            this.subscribeToEachLinkOnChanges();
        });
    }
    subscribeToEachLinkOnChanges() {
        var _a;
        (_a = this.linkInputChangesSubscription) === null || _a === void 0 ? void 0 : _a.unsubscribe();
        const allLinkChanges = [...this.links.toArray(), ...this.linksWithHrefs.toArray(), this.link, this.linkWithHref]
            .filter((link) => !!link)
            .map(link => link.onChanges);
        this.linkInputChangesSubscription = (0,rxjs__WEBPACK_IMPORTED_MODULE_1__.from)(allLinkChanges).pipe((0,rxjs_operators__WEBPACK_IMPORTED_MODULE_28__.mergeAll)()).subscribe(link => {
            if (this.isActive !== this.isLinkActive(this.router)(link)) {
                this.update();
            }
        });
    }
    set routerLinkActive(data) {
        const classes = Array.isArray(data) ? data : data.split(' ');
        this.classes = classes.filter(c => !!c);
    }
    /** @nodoc */
    ngOnChanges(changes) {
        this.update();
    }
    /** @nodoc */
    ngOnDestroy() {
        var _a;
        this.routerEventsSubscription.unsubscribe();
        (_a = this.linkInputChangesSubscription) === null || _a === void 0 ? void 0 : _a.unsubscribe();
    }
    update() {
        if (!this.links || !this.linksWithHrefs || !this.router.navigated)
            return;
        Promise.resolve().then(() => {
            const hasActiveLinks = this.hasActiveLinks();
            if (this.isActive !== hasActiveLinks) {
                this.isActive = hasActiveLinks;
                this.cdr.markForCheck();
                this.classes.forEach((c) => {
                    if (hasActiveLinks) {
                        this.renderer.addClass(this.element.nativeElement, c);
                    }
                    else {
                        this.renderer.removeClass(this.element.nativeElement, c);
                    }
                });
            }
        });
    }
    isLinkActive(router) {
        const options = 'paths' in this.routerLinkActiveOptions ?
            this.routerLinkActiveOptions :
            // While the types should disallow `undefined` here, it's possible without strict inputs
            (this.routerLinkActiveOptions.exact || false);
        return (link) => router.isActive(link.urlTree, options);
    }
    hasActiveLinks() {
        const isActiveCheckFn = this.isLinkActive(this.router);
        return this.link && isActiveCheckFn(this.link) ||
            this.linkWithHref && isActiveCheckFn(this.linkWithHref) ||
            this.links.some(isActiveCheckFn) || this.linksWithHrefs.some(isActiveCheckFn);
    }
}
RouterLinkActive.ɵfac = function RouterLinkActive_Factory(t) { return new (t || RouterLinkActive)(_angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵɵdirectiveInject"](Router), _angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵɵdirectiveInject"](_angular_core__WEBPACK_IMPORTED_MODULE_0__.ElementRef), _angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵɵdirectiveInject"](_angular_core__WEBPACK_IMPORTED_MODULE_0__.Renderer2), _angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵɵdirectiveInject"](_angular_core__WEBPACK_IMPORTED_MODULE_0__.ChangeDetectorRef), _angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵɵdirectiveInject"](RouterLink, 8), _angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵɵdirectiveInject"](RouterLinkWithHref, 8)); };
RouterLinkActive.ɵdir = /*@__PURE__*/ _angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵɵdefineDirective"]({ type: RouterLinkActive, selectors: [["", "routerLinkActive", ""]], contentQueries: function RouterLinkActive_ContentQueries(rf, ctx, dirIndex) { if (rf & 1) {
        _angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵɵcontentQuery"](dirIndex, RouterLink, 5);
        _angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵɵcontentQuery"](dirIndex, RouterLinkWithHref, 5);
    } if (rf & 2) {
        let _t;
        _angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵɵqueryRefresh"](_t = _angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵɵloadQuery"]()) && (ctx.links = _t);
        _angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵɵqueryRefresh"](_t = _angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵɵloadQuery"]()) && (ctx.linksWithHrefs = _t);
    } }, inputs: { routerLinkActiveOptions: "routerLinkActiveOptions", routerLinkActive: "routerLinkActive" }, exportAs: ["routerLinkActive"], features: [_angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵɵNgOnChangesFeature"]] });
RouterLinkActive.ctorParameters = () => [
    { type: Router },
    { type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.ElementRef },
    { type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Renderer2 },
    { type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.ChangeDetectorRef },
    { type: RouterLink, decorators: [{ type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Optional }] },
    { type: RouterLinkWithHref, decorators: [{ type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Optional }] }
];
RouterLinkActive.propDecorators = {
    links: [{ type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.ContentChildren, args: [RouterLink, { descendants: true },] }],
    linksWithHrefs: [{ type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.ContentChildren, args: [RouterLinkWithHref, { descendants: true },] }],
    routerLinkActiveOptions: [{ type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Input }],
    routerLinkActive: [{ type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Input }]
};
(function () { (typeof ngDevMode === "undefined" || ngDevMode) && _angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵsetClassMetadata"](RouterLinkActive, [{
        type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Directive,
        args: [{
                selector: '[routerLinkActive]',
                exportAs: 'routerLinkActive'
            }]
    }], function () { return [{ type: Router }, { type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.ElementRef }, { type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Renderer2 }, { type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.ChangeDetectorRef }, { type: RouterLink, decorators: [{
                type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Optional
            }] }, { type: RouterLinkWithHref, decorators: [{
                type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Optional
            }] }]; }, { routerLinkActiveOptions: [{
            type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Input
        }], routerLinkActive: [{
            type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Input
        }], links: [{
            type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.ContentChildren,
            args: [RouterLink, { descendants: true }]
        }], linksWithHrefs: [{
            type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.ContentChildren,
            args: [RouterLinkWithHref, { descendants: true }]
        }] }); })();

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
/**
 * @description
 *
 * Acts as a placeholder that Angular dynamically fills based on the current router state.
 *
 * Each outlet can have a unique name, determined by the optional `name` attribute.
 * The name cannot be set or changed dynamically. If not set, default value is "primary".
 *
 * ```
 * <router-outlet></router-outlet>
 * <router-outlet name='left'></router-outlet>
 * <router-outlet name='right'></router-outlet>
 * ```
 *
 * Named outlets can be the targets of secondary routes.
 * The `Route` object for a secondary route has an `outlet` property to identify the target outlet:
 *
 * `{path: <base-path>, component: <component>, outlet: <target_outlet_name>}`
 *
 * Using named outlets and secondary routes, you can target multiple outlets in
 * the same `RouterLink` directive.
 *
 * The router keeps track of separate branches in a navigation tree for each named outlet and
 * generates a representation of that tree in the URL.
 * The URL for a secondary route uses the following syntax to specify both the primary and secondary
 * routes at the same time:
 *
 * `http://base-path/primary-route-path(outlet-name:route-path)`
 *
 * A router outlet emits an activate event when a new component is instantiated,
 * and a deactivate event when a component is destroyed.
 *
 * ```
 * <router-outlet
 *   (activate)='onActivate($event)'
 *   (deactivate)='onDeactivate($event)'></router-outlet>
 * ```
 *
 * @see [Routing tutorial](guide/router-tutorial-toh#named-outlets "Example of a named
 * outlet and secondary route configuration").
 * @see `RouterLink`
 * @see `Route`
 * @ngModule RouterModule
 *
 * @publicApi
 */
class RouterOutlet {
    constructor(parentContexts, location, resolver, name, changeDetector) {
        this.parentContexts = parentContexts;
        this.location = location;
        this.resolver = resolver;
        this.changeDetector = changeDetector;
        this.activated = null;
        this._activatedRoute = null;
        this.activateEvents = new _angular_core__WEBPACK_IMPORTED_MODULE_0__.EventEmitter();
        this.deactivateEvents = new _angular_core__WEBPACK_IMPORTED_MODULE_0__.EventEmitter();
        this.name = name || PRIMARY_OUTLET;
        parentContexts.onChildOutletCreated(this.name, this);
    }
    /** @nodoc */
    ngOnDestroy() {
        this.parentContexts.onChildOutletDestroyed(this.name);
    }
    /** @nodoc */
    ngOnInit() {
        if (!this.activated) {
            // If the outlet was not instantiated at the time the route got activated we need to populate
            // the outlet when it is initialized (ie inside a NgIf)
            const context = this.parentContexts.getContext(this.name);
            if (context && context.route) {
                if (context.attachRef) {
                    // `attachRef` is populated when there is an existing component to mount
                    this.attach(context.attachRef, context.route);
                }
                else {
                    // otherwise the component defined in the configuration is created
                    this.activateWith(context.route, context.resolver || null);
                }
            }
        }
    }
    get isActivated() {
        return !!this.activated;
    }
    /**
     * @returns The currently activated component instance.
     * @throws An error if the outlet is not activated.
     */
    get component() {
        if (!this.activated)
            throw new Error('Outlet is not activated');
        return this.activated.instance;
    }
    get activatedRoute() {
        if (!this.activated)
            throw new Error('Outlet is not activated');
        return this._activatedRoute;
    }
    get activatedRouteData() {
        if (this._activatedRoute) {
            return this._activatedRoute.snapshot.data;
        }
        return {};
    }
    /**
     * Called when the `RouteReuseStrategy` instructs to detach the subtree
     */
    detach() {
        if (!this.activated)
            throw new Error('Outlet is not activated');
        this.location.detach();
        const cmp = this.activated;
        this.activated = null;
        this._activatedRoute = null;
        return cmp;
    }
    /**
     * Called when the `RouteReuseStrategy` instructs to re-attach a previously detached subtree
     */
    attach(ref, activatedRoute) {
        this.activated = ref;
        this._activatedRoute = activatedRoute;
        this.location.insert(ref.hostView);
    }
    deactivate() {
        if (this.activated) {
            const c = this.component;
            this.activated.destroy();
            this.activated = null;
            this._activatedRoute = null;
            this.deactivateEvents.emit(c);
        }
    }
    activateWith(activatedRoute, resolver) {
        if (this.isActivated) {
            throw new Error('Cannot activate an already activated outlet');
        }
        this._activatedRoute = activatedRoute;
        const snapshot = activatedRoute._futureSnapshot;
        const component = snapshot.routeConfig.component;
        resolver = resolver || this.resolver;
        const factory = resolver.resolveComponentFactory(component);
        const childContexts = this.parentContexts.getOrCreateContext(this.name).children;
        const injector = new OutletInjector(activatedRoute, childContexts, this.location.injector);
        this.activated = this.location.createComponent(factory, this.location.length, injector);
        // Calling `markForCheck` to make sure we will run the change detection when the
        // `RouterOutlet` is inside a `ChangeDetectionStrategy.OnPush` component.
        this.changeDetector.markForCheck();
        this.activateEvents.emit(this.activated.instance);
    }
}
RouterOutlet.ɵfac = function RouterOutlet_Factory(t) { return new (t || RouterOutlet)(_angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵɵdirectiveInject"](ChildrenOutletContexts), _angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵɵdirectiveInject"](_angular_core__WEBPACK_IMPORTED_MODULE_0__.ViewContainerRef), _angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵɵdirectiveInject"](_angular_core__WEBPACK_IMPORTED_MODULE_0__.ComponentFactoryResolver), _angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵɵinjectAttribute"]('name'), _angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵɵdirectiveInject"](_angular_core__WEBPACK_IMPORTED_MODULE_0__.ChangeDetectorRef)); };
RouterOutlet.ɵdir = /*@__PURE__*/ _angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵɵdefineDirective"]({ type: RouterOutlet, selectors: [["router-outlet"]], outputs: { activateEvents: "activate", deactivateEvents: "deactivate" }, exportAs: ["outlet"] });
RouterOutlet.ctorParameters = () => [
    { type: ChildrenOutletContexts },
    { type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.ViewContainerRef },
    { type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.ComponentFactoryResolver },
    { type: String, decorators: [{ type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Attribute, args: ['name',] }] },
    { type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.ChangeDetectorRef }
];
RouterOutlet.propDecorators = {
    activateEvents: [{ type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Output, args: ['activate',] }],
    deactivateEvents: [{ type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Output, args: ['deactivate',] }]
};
(function () { (typeof ngDevMode === "undefined" || ngDevMode) && _angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵsetClassMetadata"](RouterOutlet, [{
        type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Directive,
        args: [{ selector: 'router-outlet', exportAs: 'outlet' }]
    }], function () { return [{ type: ChildrenOutletContexts }, { type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.ViewContainerRef }, { type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.ComponentFactoryResolver }, { type: String, decorators: [{
                type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Attribute,
                args: ['name']
            }] }, { type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.ChangeDetectorRef }]; }, { activateEvents: [{
            type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Output,
            args: ['activate']
        }], deactivateEvents: [{
            type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Output,
            args: ['deactivate']
        }] }); })();
class OutletInjector {
    constructor(route, childContexts, parent) {
        this.route = route;
        this.childContexts = childContexts;
        this.parent = parent;
    }
    get(token, notFoundValue) {
        if (token === ActivatedRoute) {
            return this.route;
        }
        if (token === ChildrenOutletContexts) {
            return this.childContexts;
        }
        return this.parent.get(token, notFoundValue);
    }
}

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
/**
 * @description
 *
 * Provides a preloading strategy.
 *
 * @publicApi
 */
class PreloadingStrategy {
}
/**
 * @description
 *
 * Provides a preloading strategy that preloads all modules as quickly as possible.
 *
 * ```
 * RouterModule.forRoot(ROUTES, {preloadingStrategy: PreloadAllModules})
 * ```
 *
 * @publicApi
 */
class PreloadAllModules {
    preload(route, fn) {
        return fn().pipe((0,rxjs_operators__WEBPACK_IMPORTED_MODULE_12__.catchError)(() => (0,rxjs__WEBPACK_IMPORTED_MODULE_2__.of)(null)));
    }
}
/**
 * @description
 *
 * Provides a preloading strategy that does not preload any modules.
 *
 * This strategy is enabled by default.
 *
 * @publicApi
 */
class NoPreloading {
    preload(route, fn) {
        return (0,rxjs__WEBPACK_IMPORTED_MODULE_2__.of)(null);
    }
}
/**
 * The preloader optimistically loads all router configurations to
 * make navigations into lazily-loaded sections of the application faster.
 *
 * The preloader runs in the background. When the router bootstraps, the preloader
 * starts listening to all navigation events. After every such event, the preloader
 * will check if any configurations can be loaded lazily.
 *
 * If a route is protected by `canLoad` guards, the preloaded will not load it.
 *
 * @publicApi
 */
class RouterPreloader {
    constructor(router, moduleLoader, compiler, injector, preloadingStrategy) {
        this.router = router;
        this.injector = injector;
        this.preloadingStrategy = preloadingStrategy;
        const onStartLoad = (r) => router.triggerEvent(new RouteConfigLoadStart(r));
        const onEndLoad = (r) => router.triggerEvent(new RouteConfigLoadEnd(r));
        this.loader = new RouterConfigLoader(moduleLoader, compiler, onStartLoad, onEndLoad);
    }
    setUpPreloading() {
        this.subscription =
            this.router.events
                .pipe((0,rxjs_operators__WEBPACK_IMPORTED_MODULE_10__.filter)((e) => e instanceof NavigationEnd), (0,rxjs_operators__WEBPACK_IMPORTED_MODULE_13__.concatMap)(() => this.preload()))
                .subscribe(() => { });
    }
    preload() {
        const ngModule = this.injector.get(_angular_core__WEBPACK_IMPORTED_MODULE_0__.NgModuleRef);
        return this.processRoutes(ngModule, this.router.config);
    }
    /** @nodoc */
    ngOnDestroy() {
        if (this.subscription) {
            this.subscription.unsubscribe();
        }
    }
    processRoutes(ngModule, routes) {
        const res = [];
        for (const route of routes) {
            // we already have the config loaded, just recurse
            if (route.loadChildren && !route.canLoad && route._loadedConfig) {
                const childConfig = route._loadedConfig;
                res.push(this.processRoutes(childConfig.module, childConfig.routes));
                // no config loaded, fetch the config
            }
            else if (route.loadChildren && !route.canLoad) {
                res.push(this.preloadConfig(ngModule, route));
                // recurse into children
            }
            else if (route.children) {
                res.push(this.processRoutes(ngModule, route.children));
            }
        }
        return (0,rxjs__WEBPACK_IMPORTED_MODULE_1__.from)(res).pipe((0,rxjs_operators__WEBPACK_IMPORTED_MODULE_28__.mergeAll)(), (0,rxjs_operators__WEBPACK_IMPORTED_MODULE_4__.map)((_) => void 0));
    }
    preloadConfig(ngModule, route) {
        return this.preloadingStrategy.preload(route, () => {
            const loaded$ = route._loadedConfig ? (0,rxjs__WEBPACK_IMPORTED_MODULE_2__.of)(route._loadedConfig) :
                this.loader.load(ngModule.injector, route);
            return loaded$.pipe((0,rxjs_operators__WEBPACK_IMPORTED_MODULE_17__.mergeMap)((config) => {
                route._loadedConfig = config;
                return this.processRoutes(config.module, config.routes);
            }));
        });
    }
}
RouterPreloader.ɵfac = function RouterPreloader_Factory(t) { return new (t || RouterPreloader)(_angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵɵinject"](Router), _angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵɵinject"](_angular_core__WEBPACK_IMPORTED_MODULE_0__.NgModuleFactoryLoader), _angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵɵinject"](_angular_core__WEBPACK_IMPORTED_MODULE_0__.Compiler), _angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵɵinject"](_angular_core__WEBPACK_IMPORTED_MODULE_0__.Injector), _angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵɵinject"](PreloadingStrategy)); };
RouterPreloader.ɵprov = /*@__PURE__*/ _angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵɵdefineInjectable"]({ token: RouterPreloader, factory: RouterPreloader.ɵfac });
RouterPreloader.ctorParameters = () => [
    { type: Router },
    { type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.NgModuleFactoryLoader },
    { type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Compiler },
    { type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Injector },
    { type: PreloadingStrategy }
];
(function () { (typeof ngDevMode === "undefined" || ngDevMode) && _angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵsetClassMetadata"](RouterPreloader, [{
        type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Injectable
    }], function () { return [{ type: Router }, { type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.NgModuleFactoryLoader }, { type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Compiler }, { type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Injector }, { type: PreloadingStrategy }]; }, null); })();

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
class RouterScroller {
    constructor(router, 
    /** @docsNotRequired */ viewportScroller, options = {}) {
        this.router = router;
        this.viewportScroller = viewportScroller;
        this.options = options;
        this.lastId = 0;
        this.lastSource = 'imperative';
        this.restoredId = 0;
        this.store = {};
        // Default both options to 'disabled'
        options.scrollPositionRestoration = options.scrollPositionRestoration || 'disabled';
        options.anchorScrolling = options.anchorScrolling || 'disabled';
    }
    init() {
        // we want to disable the automatic scrolling because having two places
        // responsible for scrolling results race conditions, especially given
        // that browser don't implement this behavior consistently
        if (this.options.scrollPositionRestoration !== 'disabled') {
            this.viewportScroller.setHistoryScrollRestoration('manual');
        }
        this.routerEventsSubscription = this.createScrollEvents();
        this.scrollEventsSubscription = this.consumeScrollEvents();
    }
    createScrollEvents() {
        return this.router.events.subscribe(e => {
            if (e instanceof NavigationStart) {
                // store the scroll position of the current stable navigations.
                this.store[this.lastId] = this.viewportScroller.getScrollPosition();
                this.lastSource = e.navigationTrigger;
                this.restoredId = e.restoredState ? e.restoredState.navigationId : 0;
            }
            else if (e instanceof NavigationEnd) {
                this.lastId = e.id;
                this.scheduleScrollEvent(e, this.router.parseUrl(e.urlAfterRedirects).fragment);
            }
        });
    }
    consumeScrollEvents() {
        return this.router.events.subscribe(e => {
            if (!(e instanceof Scroll))
                return;
            // a popstate event. The pop state event will always ignore anchor scrolling.
            if (e.position) {
                if (this.options.scrollPositionRestoration === 'top') {
                    this.viewportScroller.scrollToPosition([0, 0]);
                }
                else if (this.options.scrollPositionRestoration === 'enabled') {
                    this.viewportScroller.scrollToPosition(e.position);
                }
                // imperative navigation "forward"
            }
            else {
                if (e.anchor && this.options.anchorScrolling === 'enabled') {
                    this.viewportScroller.scrollToAnchor(e.anchor);
                }
                else if (this.options.scrollPositionRestoration !== 'disabled') {
                    this.viewportScroller.scrollToPosition([0, 0]);
                }
            }
        });
    }
    scheduleScrollEvent(routerEvent, anchor) {
        this.router.triggerEvent(new Scroll(routerEvent, this.lastSource === 'popstate' ? this.store[this.restoredId] : null, anchor));
    }
    /** @nodoc */
    ngOnDestroy() {
        if (this.routerEventsSubscription) {
            this.routerEventsSubscription.unsubscribe();
        }
        if (this.scrollEventsSubscription) {
            this.scrollEventsSubscription.unsubscribe();
        }
    }
}
RouterScroller.ɵfac = function RouterScroller_Factory(t) { return new (t || RouterScroller)(_angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵɵinject"](Router), _angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵɵinject"](_angular_common__WEBPACK_IMPORTED_MODULE_27__.ViewportScroller), _angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵɵinject"](undefined)); };
RouterScroller.ɵprov = /*@__PURE__*/ _angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵɵdefineInjectable"]({ token: RouterScroller, factory: RouterScroller.ɵfac });
RouterScroller.ctorParameters = () => [
    { type: Router },
    { type: _angular_common__WEBPACK_IMPORTED_MODULE_27__.ViewportScroller },
    { type: undefined }
];
(function () { (typeof ngDevMode === "undefined" || ngDevMode) && _angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵsetClassMetadata"](RouterScroller, [{
        type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Injectable
    }], function () { return [{ type: Router }, { type: _angular_common__WEBPACK_IMPORTED_MODULE_27__.ViewportScroller }, { type: undefined }]; }, null); })();

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
/**
 * The directives defined in the `RouterModule`.
 */
const ROUTER_DIRECTIVES = [RouterOutlet, RouterLink, RouterLinkWithHref, RouterLinkActive, ɵEmptyOutletComponent];
/**
 * A [DI token](guide/glossary/#di-token) for the router service.
 *
 * @publicApi
 */
const ROUTER_CONFIGURATION = new _angular_core__WEBPACK_IMPORTED_MODULE_0__.InjectionToken('ROUTER_CONFIGURATION');
/**
 * @docsNotRequired
 */
const ROUTER_FORROOT_GUARD = new _angular_core__WEBPACK_IMPORTED_MODULE_0__.InjectionToken('ROUTER_FORROOT_GUARD');
const ɵ0 = { enableTracing: false };
const ROUTER_PROVIDERS = [
    _angular_common__WEBPACK_IMPORTED_MODULE_27__.Location,
    { provide: UrlSerializer, useClass: DefaultUrlSerializer },
    {
        provide: Router,
        useFactory: setupRouter,
        deps: [
            UrlSerializer, ChildrenOutletContexts, _angular_common__WEBPACK_IMPORTED_MODULE_27__.Location, _angular_core__WEBPACK_IMPORTED_MODULE_0__.Injector, _angular_core__WEBPACK_IMPORTED_MODULE_0__.NgModuleFactoryLoader, _angular_core__WEBPACK_IMPORTED_MODULE_0__.Compiler,
            ROUTES, ROUTER_CONFIGURATION, [UrlHandlingStrategy, new _angular_core__WEBPACK_IMPORTED_MODULE_0__.Optional()],
            [RouteReuseStrategy, new _angular_core__WEBPACK_IMPORTED_MODULE_0__.Optional()]
        ]
    },
    ChildrenOutletContexts,
    { provide: ActivatedRoute, useFactory: rootRoute, deps: [Router] },
    { provide: _angular_core__WEBPACK_IMPORTED_MODULE_0__.NgModuleFactoryLoader, useClass: _angular_core__WEBPACK_IMPORTED_MODULE_0__.SystemJsNgModuleLoader },
    RouterPreloader,
    NoPreloading,
    PreloadAllModules,
    { provide: ROUTER_CONFIGURATION, useValue: ɵ0 },
];
function routerNgProbeToken() {
    return new _angular_core__WEBPACK_IMPORTED_MODULE_0__.NgProbeToken('Router', Router);
}
/**
 * @description
 *
 * Adds directives and providers for in-app navigation among views defined in an application.
 * Use the Angular `Router` service to declaratively specify application states and manage state
 * transitions.
 *
 * You can import this NgModule multiple times, once for each lazy-loaded bundle.
 * However, only one `Router` service can be active.
 * To ensure this, there are two ways to register routes when importing this module:
 *
 * * The `forRoot()` method creates an `NgModule` that contains all the directives, the given
 * routes, and the `Router` service itself.
 * * The `forChild()` method creates an `NgModule` that contains all the directives and the given
 * routes, but does not include the `Router` service.
 *
 * @see [Routing and Navigation guide](guide/router) for an
 * overview of how the `Router` service should be used.
 *
 * @publicApi
 */
class RouterModule {
    // Note: We are injecting the Router so it gets created eagerly...
    constructor(guard, router) { }
    /**
     * Creates and configures a module with all the router providers and directives.
     * Optionally sets up an application listener to perform an initial navigation.
     *
     * When registering the NgModule at the root, import as follows:
     *
     * ```
     * @NgModule({
     *   imports: [RouterModule.forRoot(ROUTES)]
     * })
     * class MyNgModule {}
     * ```
     *
     * @param routes An array of `Route` objects that define the navigation paths for the application.
     * @param config An `ExtraOptions` configuration object that controls how navigation is performed.
     * @return The new `NgModule`.
     *
     */
    static forRoot(routes, config) {
        return {
            ngModule: RouterModule,
            providers: [
                ROUTER_PROVIDERS,
                provideRoutes(routes),
                {
                    provide: ROUTER_FORROOT_GUARD,
                    useFactory: provideForRootGuard,
                    deps: [[Router, new _angular_core__WEBPACK_IMPORTED_MODULE_0__.Optional(), new _angular_core__WEBPACK_IMPORTED_MODULE_0__.SkipSelf()]]
                },
                { provide: ROUTER_CONFIGURATION, useValue: config ? config : {} },
                {
                    provide: _angular_common__WEBPACK_IMPORTED_MODULE_27__.LocationStrategy,
                    useFactory: provideLocationStrategy,
                    deps: [_angular_common__WEBPACK_IMPORTED_MODULE_27__.PlatformLocation, [new _angular_core__WEBPACK_IMPORTED_MODULE_0__.Inject(_angular_common__WEBPACK_IMPORTED_MODULE_27__.APP_BASE_HREF), new _angular_core__WEBPACK_IMPORTED_MODULE_0__.Optional()], ROUTER_CONFIGURATION]
                },
                {
                    provide: RouterScroller,
                    useFactory: createRouterScroller,
                    deps: [Router, _angular_common__WEBPACK_IMPORTED_MODULE_27__.ViewportScroller, ROUTER_CONFIGURATION]
                },
                {
                    provide: PreloadingStrategy,
                    useExisting: config && config.preloadingStrategy ? config.preloadingStrategy :
                        NoPreloading
                },
                { provide: _angular_core__WEBPACK_IMPORTED_MODULE_0__.NgProbeToken, multi: true, useFactory: routerNgProbeToken },
                provideRouterInitializer(),
            ],
        };
    }
    /**
     * Creates a module with all the router directives and a provider registering routes,
     * without creating a new Router service.
     * When registering for submodules and lazy-loaded submodules, create the NgModule as follows:
     *
     * ```
     * @NgModule({
     *   imports: [RouterModule.forChild(ROUTES)]
     * })
     * class MyNgModule {}
     * ```
     *
     * @param routes An array of `Route` objects that define the navigation paths for the submodule.
     * @return The new NgModule.
     *
     */
    static forChild(routes) {
        return { ngModule: RouterModule, providers: [provideRoutes(routes)] };
    }
}
RouterModule.ɵfac = function RouterModule_Factory(t) { return new (t || RouterModule)(_angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵɵinject"](ROUTER_FORROOT_GUARD, 8), _angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵɵinject"](Router, 8)); };
RouterModule.ɵmod = /*@__PURE__*/ _angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵɵdefineNgModule"]({ type: RouterModule });
RouterModule.ɵinj = /*@__PURE__*/ _angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵɵdefineInjector"]({});
RouterModule.ctorParameters = () => [
    { type: undefined, decorators: [{ type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Optional }, { type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Inject, args: [ROUTER_FORROOT_GUARD,] }] },
    { type: Router, decorators: [{ type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Optional }] }
];
(function () { (typeof ngDevMode === "undefined" || ngDevMode) && _angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵsetClassMetadata"](RouterModule, [{
        type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.NgModule,
        args: [{
                declarations: ROUTER_DIRECTIVES,
                exports: ROUTER_DIRECTIVES,
                entryComponents: [ɵEmptyOutletComponent]
            }]
    }], function () { return [{ type: undefined, decorators: [{
                type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Optional
            }, {
                type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Inject,
                args: [ROUTER_FORROOT_GUARD]
            }] }, { type: Router, decorators: [{
                type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Optional
            }] }]; }, null); })();
(function () { (typeof ngJitMode === "undefined" || ngJitMode) && _angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵɵsetNgModuleScope"](RouterModule, { declarations: [RouterOutlet, RouterLink, RouterLinkWithHref, RouterLinkActive, ɵEmptyOutletComponent], exports: [RouterOutlet, RouterLink, RouterLinkWithHref, RouterLinkActive, ɵEmptyOutletComponent] }); })();
function createRouterScroller(router, viewportScroller, config) {
    if (config.scrollOffset) {
        viewportScroller.setOffset(config.scrollOffset);
    }
    return new RouterScroller(router, viewportScroller, config);
}
function provideLocationStrategy(platformLocationStrategy, baseHref, options = {}) {
    return options.useHash ? new _angular_common__WEBPACK_IMPORTED_MODULE_27__.HashLocationStrategy(platformLocationStrategy, baseHref) :
        new _angular_common__WEBPACK_IMPORTED_MODULE_27__.PathLocationStrategy(platformLocationStrategy, baseHref);
}
function provideForRootGuard(router) {
    if ((typeof ngDevMode === 'undefined' || ngDevMode) && router) {
        throw new Error(`RouterModule.forRoot() called twice. Lazy loaded modules should use RouterModule.forChild() instead.`);
    }
    return 'guarded';
}
/**
 * Registers a [DI provider](guide/glossary#provider) for a set of routes.
 * @param routes The route configuration to provide.
 *
 * @usageNotes
 *
 * ```
 * @NgModule({
 *   imports: [RouterModule.forChild(ROUTES)],
 *   providers: [provideRoutes(EXTRA_ROUTES)]
 * })
 * class MyNgModule {}
 * ```
 *
 * @publicApi
 */
function provideRoutes(routes) {
    return [
        { provide: _angular_core__WEBPACK_IMPORTED_MODULE_0__.ANALYZE_FOR_ENTRY_COMPONENTS, multi: true, useValue: routes },
        { provide: ROUTES, multi: true, useValue: routes },
    ];
}
function setupRouter(urlSerializer, contexts, location, injector, loader, compiler, config, opts = {}, urlHandlingStrategy, routeReuseStrategy) {
    const router = new Router(null, urlSerializer, contexts, location, injector, loader, compiler, flatten(config));
    if (urlHandlingStrategy) {
        router.urlHandlingStrategy = urlHandlingStrategy;
    }
    if (routeReuseStrategy) {
        router.routeReuseStrategy = routeReuseStrategy;
    }
    assignExtraOptionsToRouter(opts, router);
    if (opts.enableTracing) {
        router.events.subscribe((e) => {
            var _a, _b;
            // tslint:disable:no-console
            (_a = console.group) === null || _a === void 0 ? void 0 : _a.call(console, `Router Event: ${e.constructor.name}`);
            console.log(e.toString());
            console.log(e);
            (_b = console.groupEnd) === null || _b === void 0 ? void 0 : _b.call(console);
            // tslint:enable:no-console
        });
    }
    return router;
}
function assignExtraOptionsToRouter(opts, router) {
    if (opts.errorHandler) {
        router.errorHandler = opts.errorHandler;
    }
    if (opts.malformedUriErrorHandler) {
        router.malformedUriErrorHandler = opts.malformedUriErrorHandler;
    }
    if (opts.onSameUrlNavigation) {
        router.onSameUrlNavigation = opts.onSameUrlNavigation;
    }
    if (opts.paramsInheritanceStrategy) {
        router.paramsInheritanceStrategy = opts.paramsInheritanceStrategy;
    }
    if (opts.relativeLinkResolution) {
        router.relativeLinkResolution = opts.relativeLinkResolution;
    }
    if (opts.urlUpdateStrategy) {
        router.urlUpdateStrategy = opts.urlUpdateStrategy;
    }
}
function rootRoute(router) {
    return router.routerState.root;
}
/**
 * Router initialization requires two steps:
 *
 * First, we start the navigation in a `APP_INITIALIZER` to block the bootstrap if
 * a resolver or a guard executes asynchronously.
 *
 * Next, we actually run activation in a `BOOTSTRAP_LISTENER`, using the
 * `afterPreactivation` hook provided by the router.
 * The router navigation starts, reaches the point when preactivation is done, and then
 * pauses. It waits for the hook to be resolved. We then resolve it only in a bootstrap listener.
 */
class RouterInitializer {
    constructor(injector) {
        this.injector = injector;
        this.initNavigation = false;
        this.destroyed = false;
        this.resultOfPreactivationDone = new rxjs__WEBPACK_IMPORTED_MODULE_24__.Subject();
    }
    appInitializer() {
        const p = this.injector.get(_angular_common__WEBPACK_IMPORTED_MODULE_27__.LOCATION_INITIALIZED, Promise.resolve(null));
        return p.then(() => {
            // If the injector was destroyed, the DI lookups below will fail.
            if (this.destroyed) {
                return Promise.resolve(true);
            }
            let resolve = null;
            const res = new Promise(r => resolve = r);
            const router = this.injector.get(Router);
            const opts = this.injector.get(ROUTER_CONFIGURATION);
            if (opts.initialNavigation === 'disabled') {
                router.setUpLocationChangeListener();
                resolve(true);
            }
            else if (
            // TODO: enabled is deprecated as of v11, can be removed in v13
            opts.initialNavigation === 'enabled' || opts.initialNavigation === 'enabledBlocking') {
                router.hooks.afterPreactivation = () => {
                    // only the initial navigation should be delayed
                    if (!this.initNavigation) {
                        this.initNavigation = true;
                        resolve(true);
                        return this.resultOfPreactivationDone;
                        // subsequent navigations should not be delayed
                    }
                    else {
                        return (0,rxjs__WEBPACK_IMPORTED_MODULE_2__.of)(null);
                    }
                };
                router.initialNavigation();
            }
            else {
                resolve(true);
            }
            return res;
        });
    }
    bootstrapListener(bootstrappedComponentRef) {
        const opts = this.injector.get(ROUTER_CONFIGURATION);
        const preloader = this.injector.get(RouterPreloader);
        const routerScroller = this.injector.get(RouterScroller);
        const router = this.injector.get(Router);
        const ref = this.injector.get(_angular_core__WEBPACK_IMPORTED_MODULE_0__.ApplicationRef);
        if (bootstrappedComponentRef !== ref.components[0]) {
            return;
        }
        // Default case
        if (opts.initialNavigation === 'enabledNonBlocking' || opts.initialNavigation === undefined) {
            router.initialNavigation();
        }
        preloader.setUpPreloading();
        routerScroller.init();
        router.resetRootComponentType(ref.componentTypes[0]);
        this.resultOfPreactivationDone.next(null);
        this.resultOfPreactivationDone.complete();
    }
    ngOnDestroy() {
        this.destroyed = true;
    }
}
RouterInitializer.ɵfac = function RouterInitializer_Factory(t) { return new (t || RouterInitializer)(_angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵɵinject"](_angular_core__WEBPACK_IMPORTED_MODULE_0__.Injector)); };
RouterInitializer.ɵprov = /*@__PURE__*/ _angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵɵdefineInjectable"]({ token: RouterInitializer, factory: RouterInitializer.ɵfac });
RouterInitializer.ctorParameters = () => [
    { type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Injector }
];
(function () { (typeof ngDevMode === "undefined" || ngDevMode) && _angular_core__WEBPACK_IMPORTED_MODULE_0__["ɵsetClassMetadata"](RouterInitializer, [{
        type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Injectable
    }], function () { return [{ type: _angular_core__WEBPACK_IMPORTED_MODULE_0__.Injector }]; }, null); })();
function getAppInitializer(r) {
    return r.appInitializer.bind(r);
}
function getBootstrapListener(r) {
    return r.bootstrapListener.bind(r);
}
/**
 * A [DI token](guide/glossary/#di-token) for the router initializer that
 * is called after the app is bootstrapped.
 *
 * @publicApi
 */
const ROUTER_INITIALIZER = new _angular_core__WEBPACK_IMPORTED_MODULE_0__.InjectionToken('Router Initializer');
function provideRouterInitializer() {
    return [
        RouterInitializer,
        {
            provide: _angular_core__WEBPACK_IMPORTED_MODULE_0__.APP_INITIALIZER,
            multi: true,
            useFactory: getAppInitializer,
            deps: [RouterInitializer]
        },
        { provide: ROUTER_INITIALIZER, useFactory: getBootstrapListener, deps: [RouterInitializer] },
        { provide: _angular_core__WEBPACK_IMPORTED_MODULE_0__.APP_BOOTSTRAP_LISTENER, multi: true, useExisting: ROUTER_INITIALIZER },
    ];
}

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
/**
 * @publicApi
 */
const VERSION = new _angular_core__WEBPACK_IMPORTED_MODULE_0__.Version('12.1.5');

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
// This file only reexports content of the `src` folder. Keep it that way.

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */

/**
 * Generated bundle index. Do not edit.
 */



//# sourceMappingURL=router.js.map

/***/ }),

/***/ 8384:
/*!****************************************************!*\
  !*** ./node_modules/@capacitor/core/dist/index.js ***!
  \****************************************************/
/***/ ((__unused_webpack_module, __webpack_exports__, __webpack_require__) => {

"use strict";
__webpack_require__.r(__webpack_exports__);
/* harmony export */ __webpack_require__.d(__webpack_exports__, {
/* harmony export */   "Capacitor": () => (/* binding */ Capacitor),
/* harmony export */   "CapacitorException": () => (/* binding */ CapacitorException),
/* harmony export */   "CapacitorPlatforms": () => (/* binding */ CapacitorPlatforms),
/* harmony export */   "ExceptionCode": () => (/* binding */ ExceptionCode),
/* harmony export */   "Plugins": () => (/* binding */ Plugins),
/* harmony export */   "WebPlugin": () => (/* binding */ WebPlugin),
/* harmony export */   "WebView": () => (/* binding */ WebView),
/* harmony export */   "addPlatform": () => (/* binding */ addPlatform),
/* harmony export */   "registerPlugin": () => (/* binding */ registerPlugin),
/* harmony export */   "registerWebPlugin": () => (/* binding */ registerWebPlugin),
/* harmony export */   "setPlatform": () => (/* binding */ setPlatform)
/* harmony export */ });
/*! Capacitor: https://capacitorjs.com/ - MIT License */
const createCapacitorPlatforms = (win) => {
    const defaultPlatformMap = new Map();
    defaultPlatformMap.set('web', { name: 'web' });
    const capPlatforms = win.CapacitorPlatforms || {
        currentPlatform: { name: 'web' },
        platforms: defaultPlatformMap,
    };
    const addPlatform = (name, platform) => {
        capPlatforms.platforms.set(name, platform);
    };
    const setPlatform = (name) => {
        if (capPlatforms.platforms.has(name)) {
            capPlatforms.currentPlatform = capPlatforms.platforms.get(name);
        }
    };
    capPlatforms.addPlatform = addPlatform;
    capPlatforms.setPlatform = setPlatform;
    return capPlatforms;
};
const initPlatforms = (win) => (win.CapacitorPlatforms = createCapacitorPlatforms(win));
/**
 * @deprecated Set `CapacitorCustomPlatform` on the window object prior to runtime executing in the web app instead
 */
const CapacitorPlatforms = /*#__PURE__*/ initPlatforms((typeof globalThis !== 'undefined'
    ? globalThis
    : typeof self !== 'undefined'
        ? self
        : typeof window !== 'undefined'
            ? window
            : typeof global !== 'undefined'
                ? global
                : {}));
/**
 * @deprecated Set `CapacitorCustomPlatform` on the window object prior to runtime executing in the web app instead
 */
const addPlatform = CapacitorPlatforms.addPlatform;
/**
 * @deprecated Set `CapacitorCustomPlatform` on the window object prior to runtime executing in the web app instead
 */
const setPlatform = CapacitorPlatforms.setPlatform;

const legacyRegisterWebPlugin = (cap, webPlugin) => {
    var _a;
    const config = webPlugin.config;
    const Plugins = cap.Plugins;
    if (!config || !config.name) {
        // TODO: add link to upgrade guide
        throw new Error(`Capacitor WebPlugin is using the deprecated "registerWebPlugin()" function, but without the config. Please use "registerPlugin()" instead to register this web plugin."`);
    }
    // TODO: add link to upgrade guide
    console.warn(`Capacitor plugin "${config.name}" is using the deprecated "registerWebPlugin()" function`);
    if (!Plugins[config.name] || ((_a = config === null || config === void 0 ? void 0 : config.platforms) === null || _a === void 0 ? void 0 : _a.includes(cap.getPlatform()))) {
        // Add the web plugin into the plugins registry if there already isn't
        // an existing one. If it doesn't already exist, that means
        // there's no existing native implementation for it.
        // - OR -
        // If we already have a plugin registered (meaning it was defined in the native layer),
        // then we should only overwrite it if the corresponding web plugin activates on
        // a certain platform. For example: Geolocation uses the WebPlugin on Android but not iOS
        Plugins[config.name] = webPlugin;
    }
};

var ExceptionCode;
(function (ExceptionCode) {
    /**
     * API is not implemented.
     *
     * This usually means the API can't be used because it is not implemented for
     * the current platform.
     */
    ExceptionCode["Unimplemented"] = "UNIMPLEMENTED";
    /**
     * API is not available.
     *
     * This means the API can't be used right now because:
     *   - it is currently missing a prerequisite, such as network connectivity
     *   - it requires a particular platform or browser version
     */
    ExceptionCode["Unavailable"] = "UNAVAILABLE";
})(ExceptionCode || (ExceptionCode = {}));
class CapacitorException extends Error {
    constructor(message, code) {
        super(message);
        this.message = message;
        this.code = code;
    }
}
const getPlatformId = (win) => {
    var _a, _b;
    if (win === null || win === void 0 ? void 0 : win.androidBridge) {
        return 'android';
    }
    else if ((_b = (_a = win === null || win === void 0 ? void 0 : win.webkit) === null || _a === void 0 ? void 0 : _a.messageHandlers) === null || _b === void 0 ? void 0 : _b.bridge) {
        return 'ios';
    }
    else {
        return 'web';
    }
};

const createCapacitor = (win) => {
    var _a, _b, _c, _d, _e;
    const capCustomPlatform = win.CapacitorCustomPlatform || null;
    const cap = win.Capacitor || {};
    const Plugins = (cap.Plugins = cap.Plugins || {});
    /**
     * @deprecated Use `capCustomPlatform` instead, default functions like registerPlugin will function with the new object.
     */
    const capPlatforms = win.CapacitorPlatforms;
    const defaultGetPlatform = () => {
        return capCustomPlatform !== null
            ? capCustomPlatform.name
            : getPlatformId(win);
    };
    const getPlatform = ((_a = capPlatforms === null || capPlatforms === void 0 ? void 0 : capPlatforms.currentPlatform) === null || _a === void 0 ? void 0 : _a.getPlatform) || defaultGetPlatform;
    const defaultIsNativePlatform = () => getPlatform() !== 'web';
    const isNativePlatform = ((_b = capPlatforms === null || capPlatforms === void 0 ? void 0 : capPlatforms.currentPlatform) === null || _b === void 0 ? void 0 : _b.isNativePlatform) || defaultIsNativePlatform;
    const defaultIsPluginAvailable = (pluginName) => {
        const plugin = registeredPlugins.get(pluginName);
        if (plugin === null || plugin === void 0 ? void 0 : plugin.platforms.has(getPlatform())) {
            // JS implementation available for the current platform.
            return true;
        }
        if (getPluginHeader(pluginName)) {
            // Native implementation available.
            return true;
        }
        return false;
    };
    const isPluginAvailable = ((_c = capPlatforms === null || capPlatforms === void 0 ? void 0 : capPlatforms.currentPlatform) === null || _c === void 0 ? void 0 : _c.isPluginAvailable) ||
        defaultIsPluginAvailable;
    const defaultGetPluginHeader = (pluginName) => { var _a; return (_a = cap.PluginHeaders) === null || _a === void 0 ? void 0 : _a.find(h => h.name === pluginName); };
    const getPluginHeader = ((_d = capPlatforms === null || capPlatforms === void 0 ? void 0 : capPlatforms.currentPlatform) === null || _d === void 0 ? void 0 : _d.getPluginHeader) || defaultGetPluginHeader;
    const handleError = (err) => win.console.error(err);
    const pluginMethodNoop = (_target, prop, pluginName) => {
        return Promise.reject(`${pluginName} does not have an implementation of "${prop}".`);
    };
    const registeredPlugins = new Map();
    const defaultRegisterPlugin = (pluginName, jsImplementations = {}) => {
        const registeredPlugin = registeredPlugins.get(pluginName);
        if (registeredPlugin) {
            console.warn(`Capacitor plugin "${pluginName}" already registered. Cannot register plugins twice.`);
            return registeredPlugin.proxy;
        }
        const platform = getPlatform();
        const pluginHeader = getPluginHeader(pluginName);
        let jsImplementation;
        const loadPluginImplementation = async () => {
            if (!jsImplementation && platform in jsImplementations) {
                jsImplementation =
                    typeof jsImplementations[platform] === 'function'
                        ? (jsImplementation = await jsImplementations[platform]())
                        : (jsImplementation = jsImplementations[platform]);
            }
            else if (capCustomPlatform !== null &&
                !jsImplementation &&
                'web' in jsImplementations) {
                jsImplementation =
                    typeof jsImplementations['web'] === 'function'
                        ? (jsImplementation = await jsImplementations['web']())
                        : (jsImplementation = jsImplementations['web']);
            }
            return jsImplementation;
        };
        const createPluginMethod = (impl, prop) => {
            var _a, _b;
            if (pluginHeader) {
                const methodHeader = pluginHeader === null || pluginHeader === void 0 ? void 0 : pluginHeader.methods.find(m => prop === m.name);
                if (methodHeader) {
                    if (methodHeader.rtype === 'promise') {
                        return (options) => cap.nativePromise(pluginName, prop.toString(), options);
                    }
                    else {
                        return (options, callback) => cap.nativeCallback(pluginName, prop.toString(), options, callback);
                    }
                }
                else if (impl) {
                    return (_a = impl[prop]) === null || _a === void 0 ? void 0 : _a.bind(impl);
                }
            }
            else if (impl) {
                return (_b = impl[prop]) === null || _b === void 0 ? void 0 : _b.bind(impl);
            }
            else {
                throw new CapacitorException(`"${pluginName}" plugin is not implemented on ${platform}`, ExceptionCode.Unimplemented);
            }
        };
        const createPluginMethodWrapper = (prop) => {
            let remove;
            const wrapper = (...args) => {
                const p = loadPluginImplementation().then(impl => {
                    const fn = createPluginMethod(impl, prop);
                    if (fn) {
                        const p = fn(...args);
                        remove = p === null || p === void 0 ? void 0 : p.remove;
                        return p;
                    }
                    else {
                        throw new CapacitorException(`"${pluginName}.${prop}()" is not implemented on ${platform}`, ExceptionCode.Unimplemented);
                    }
                });
                if (prop === 'addListener') {
                    p.remove = async () => remove();
                }
                return p;
            };
            // Some flair ✨
            wrapper.toString = () => `${prop.toString()}() { [capacitor code] }`;
            Object.defineProperty(wrapper, 'name', {
                value: prop,
                writable: false,
                configurable: false,
            });
            return wrapper;
        };
        const addListener = createPluginMethodWrapper('addListener');
        const removeListener = createPluginMethodWrapper('removeListener');
        const addListenerNative = (eventName, callback) => {
            const call = addListener({ eventName }, callback);
            const remove = async () => {
                const callbackId = await call;
                removeListener({
                    eventName,
                    callbackId,
                }, callback);
            };
            const p = new Promise(resolve => call.then(() => resolve({ remove })));
            p.remove = async () => {
                console.warn(`Using addListener() without 'await' is deprecated.`);
                await remove();
            };
            return p;
        };
        const proxy = new Proxy({}, {
            get(_, prop) {
                switch (prop) {
                    // https://github.com/facebook/react/issues/20030
                    case '$$typeof':
                        return undefined;
                    case 'toJSON':
                        return () => ({});
                    case 'addListener':
                        return pluginHeader ? addListenerNative : addListener;
                    case 'removeListener':
                        return removeListener;
                    default:
                        return createPluginMethodWrapper(prop);
                }
            },
        });
        Plugins[pluginName] = proxy;
        registeredPlugins.set(pluginName, {
            name: pluginName,
            proxy,
            platforms: new Set([
                ...Object.keys(jsImplementations),
                ...(pluginHeader ? [platform] : []),
            ]),
        });
        return proxy;
    };
    const registerPlugin = ((_e = capPlatforms === null || capPlatforms === void 0 ? void 0 : capPlatforms.currentPlatform) === null || _e === void 0 ? void 0 : _e.registerPlugin) || defaultRegisterPlugin;
    // Add in convertFileSrc for web, it will already be available in native context
    if (!cap.convertFileSrc) {
        cap.convertFileSrc = filePath => filePath;
    }
    cap.getPlatform = getPlatform;
    cap.handleError = handleError;
    cap.isNativePlatform = isNativePlatform;
    cap.isPluginAvailable = isPluginAvailable;
    cap.pluginMethodNoop = pluginMethodNoop;
    cap.registerPlugin = registerPlugin;
    cap.Exception = CapacitorException;
    cap.DEBUG = !!cap.DEBUG;
    cap.isLoggingEnabled = !!cap.isLoggingEnabled;
    // Deprecated props
    cap.platform = cap.getPlatform();
    cap.isNative = cap.isNativePlatform();
    return cap;
};
const initCapacitorGlobal = (win) => (win.Capacitor = createCapacitor(win));

const Capacitor = /*#__PURE__*/ initCapacitorGlobal(typeof globalThis !== 'undefined'
    ? globalThis
    : typeof self !== 'undefined'
        ? self
        : typeof window !== 'undefined'
            ? window
            : typeof global !== 'undefined'
                ? global
                : {});
const registerPlugin = Capacitor.registerPlugin;
/**
 * @deprecated Provided for backwards compatibility for Capacitor v2 plugins.
 * Capacitor v3 plugins should import the plugin directly. This "Plugins"
 * export is deprecated in v3, and will be removed in v4.
 */
const Plugins = Capacitor.Plugins;
/**
 * Provided for backwards compatibility. Use the registerPlugin() API
 * instead, and provide the web plugin as the "web" implmenetation.
 * For example
 *
 * export const Example = registerPlugin('Example', {
 *   web: () => import('./web').then(m => new m.Example())
 * })
 *
 * @deprecated Deprecated in v3, will be removed from v4.
 */
const registerWebPlugin = (plugin) => legacyRegisterWebPlugin(Capacitor, plugin);

/**
 * Base class web plugins should extend.
 */
class WebPlugin {
    constructor(config) {
        this.listeners = {};
        this.windowListeners = {};
        if (config) {
            // TODO: add link to upgrade guide
            console.warn(`Capacitor WebPlugin "${config.name}" config object was deprecated in v3 and will be removed in v4.`);
            this.config = config;
        }
    }
    addListener(eventName, listenerFunc) {
        const listeners = this.listeners[eventName];
        if (!listeners) {
            this.listeners[eventName] = [];
        }
        this.listeners[eventName].push(listenerFunc);
        // If we haven't added a window listener for this event and it requires one,
        // go ahead and add it
        const windowListener = this.windowListeners[eventName];
        if (windowListener && !windowListener.registered) {
            this.addWindowListener(windowListener);
        }
        const remove = async () => this.removeListener(eventName, listenerFunc);
        const p = Promise.resolve({ remove });
        Object.defineProperty(p, 'remove', {
            value: async () => {
                console.warn(`Using addListener() without 'await' is deprecated.`);
                await remove();
            },
        });
        return p;
    }
    async removeAllListeners() {
        this.listeners = {};
        for (const listener in this.windowListeners) {
            this.removeWindowListener(this.windowListeners[listener]);
        }
        this.windowListeners = {};
    }
    notifyListeners(eventName, data) {
        const listeners = this.listeners[eventName];
        if (listeners) {
            listeners.forEach(listener => listener(data));
        }
    }
    hasListeners(eventName) {
        return !!this.listeners[eventName].length;
    }
    registerWindowListener(windowEventName, pluginEventName) {
        this.windowListeners[pluginEventName] = {
            registered: false,
            windowEventName,
            pluginEventName,
            handler: event => {
                this.notifyListeners(pluginEventName, event);
            },
        };
    }
    unimplemented(msg = 'not implemented') {
        return new Capacitor.Exception(msg, ExceptionCode.Unimplemented);
    }
    unavailable(msg = 'not available') {
        return new Capacitor.Exception(msg, ExceptionCode.Unavailable);
    }
    async removeListener(eventName, listenerFunc) {
        const listeners = this.listeners[eventName];
        if (!listeners) {
            return;
        }
        const index = listeners.indexOf(listenerFunc);
        this.listeners[eventName].splice(index, 1);
        // If there are no more listeners for this type of event,
        // remove the window listener
        if (!this.listeners[eventName].length) {
            this.removeWindowListener(this.windowListeners[eventName]);
        }
    }
    addWindowListener(handle) {
        window.addEventListener(handle.windowEventName, handle.handler);
        handle.registered = true;
    }
    removeWindowListener(handle) {
        if (!handle) {
            return;
        }
        window.removeEventListener(handle.windowEventName, handle.handler);
        handle.registered = false;
    }
}

const WebView = /*#__PURE__*/ registerPlugin('WebView');


//# sourceMappingURL=index.js.map


/***/ }),

/***/ 5458:
/*!********************************************************************!*\
  !*** ./node_modules/@capacitor/filesystem/dist/esm/definitions.js ***!
  \********************************************************************/
/***/ ((__unused_webpack_module, __webpack_exports__, __webpack_require__) => {

"use strict";
__webpack_require__.r(__webpack_exports__);
/* harmony export */ __webpack_require__.d(__webpack_exports__, {
/* harmony export */   "Directory": () => (/* binding */ Directory),
/* harmony export */   "Encoding": () => (/* binding */ Encoding),
/* harmony export */   "FilesystemDirectory": () => (/* binding */ FilesystemDirectory),
/* harmony export */   "FilesystemEncoding": () => (/* binding */ FilesystemEncoding)
/* harmony export */ });
var Directory;
(function (Directory) {
    /**
     * The Documents directory
     * On iOS it's the app's documents directory.
     * Use this directory to store user-generated content.
     * On Android it's the Public Documents folder, so it's accessible from other apps.
     * It's not accesible on Android 10 unless the app enables legacy External Storage
     * by adding `android:requestLegacyExternalStorage="true"` in the `application` tag
     * in the `AndroidManifest.xml`.
     * It's not accesible on Android 11 or newer.
     *
     * @since 1.0.0
     */
    Directory["Documents"] = "DOCUMENTS";
    /**
     * The Data directory
     * On iOS it will use the Documents directory
     * On Android it's the directory holding application files.
     * Files will be deleted when the application is uninstalled.
     *
     * @since 1.0.0
     */
    Directory["Data"] = "DATA";
    /**
     * The Cache directory
     * Can be deleted in cases of low memory, so use this directory to write app-specific files
     * that your app can re-create easily.
     *
     * @since 1.0.0
     */
    Directory["Cache"] = "CACHE";
    /**
     * The external directory
     * On iOS it will use the Documents directory
     * On Android it's the directory on the primary shared/external
     * storage device where the application can place persistent files it owns.
     * These files are internal to the applications, and not typically visible
     * to the user as media.
     * Files will be deleted when the application is uninstalled.
     *
     * @since 1.0.0
     */
    Directory["External"] = "EXTERNAL";
    /**
     * The external storage directory
     * On iOS it will use the Documents directory
     * On Android it's the primary shared/external storage directory.
     * It's not accesible on Android 10 unless the app enables legacy External Storage
     * by adding `android:requestLegacyExternalStorage="true"` in the `application` tag
     * in the `AndroidManifest.xml`.
     * It's not accesible on Android 11 or newer.
     *
     * @since 1.0.0
     */
    Directory["ExternalStorage"] = "EXTERNAL_STORAGE";
})(Directory || (Directory = {}));
var Encoding;
(function (Encoding) {
    /**
     * Eight-bit UCS Transformation Format
     *
     * @since 1.0.0
     */
    Encoding["UTF8"] = "utf8";
    /**
     * Seven-bit ASCII, a.k.a. ISO646-US, a.k.a. the Basic Latin block of the
     * Unicode character set
     * This encoding is only supported on Android.
     *
     * @since 1.0.0
     */
    Encoding["ASCII"] = "ascii";
    /**
     * Sixteen-bit UCS Transformation Format, byte order identified by an
     * optional byte-order mark
     * This encoding is only supported on Android.
     *
     * @since 1.0.0
     */
    Encoding["UTF16"] = "utf16";
})(Encoding || (Encoding = {}));
/**
 * @deprecated Use `Directory`.
 * @since 1.0.0
 */
const FilesystemDirectory = Directory;
/**
 * @deprecated Use `Encoding`.
 * @since 1.0.0
 */
const FilesystemEncoding = Encoding;
//# sourceMappingURL=definitions.js.map

/***/ }),

/***/ 1977:
/*!**************************************************************!*\
  !*** ./node_modules/@capacitor/filesystem/dist/esm/index.js ***!
  \**************************************************************/
/***/ ((__unused_webpack_module, __webpack_exports__, __webpack_require__) => {

"use strict";
__webpack_require__.r(__webpack_exports__);
/* harmony export */ __webpack_require__.d(__webpack_exports__, {
/* harmony export */   "Directory": () => (/* reexport safe */ _definitions__WEBPACK_IMPORTED_MODULE_1__.Directory),
/* harmony export */   "Encoding": () => (/* reexport safe */ _definitions__WEBPACK_IMPORTED_MODULE_1__.Encoding),
/* harmony export */   "FilesystemDirectory": () => (/* reexport safe */ _definitions__WEBPACK_IMPORTED_MODULE_1__.FilesystemDirectory),
/* harmony export */   "FilesystemEncoding": () => (/* reexport safe */ _definitions__WEBPACK_IMPORTED_MODULE_1__.FilesystemEncoding),
/* harmony export */   "Filesystem": () => (/* binding */ Filesystem)
/* harmony export */ });
/* harmony import */ var _capacitor_core__WEBPACK_IMPORTED_MODULE_0__ = __webpack_require__(/*! @capacitor/core */ 8384);
/* harmony import */ var _definitions__WEBPACK_IMPORTED_MODULE_1__ = __webpack_require__(/*! ./definitions */ 5458);

const Filesystem = (0,_capacitor_core__WEBPACK_IMPORTED_MODULE_0__.registerPlugin)('Filesystem', {
    web: () => __webpack_require__.e(/*! import() */ "node_modules_capacitor_filesystem_dist_esm_web_js").then(__webpack_require__.bind(__webpack_require__, /*! ./web */ 5075)).then(m => new m.FilesystemWeb()),
});


//# sourceMappingURL=index.js.map

/***/ }),

/***/ 2412:
/*!*****************************************************************!*\
  !*** ./node_modules/@capacitor/storage/dist/esm/definitions.js ***!
  \*****************************************************************/
/***/ ((__unused_webpack_module, __webpack_exports__, __webpack_require__) => {

"use strict";
__webpack_require__.r(__webpack_exports__);

//# sourceMappingURL=definitions.js.map

/***/ }),

/***/ 6628:
/*!***********************************************************!*\
  !*** ./node_modules/@capacitor/storage/dist/esm/index.js ***!
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/***/ ((__unused_webpack_module, __webpack_exports__, __webpack_require__) => {

"use strict";
__webpack_require__.r(__webpack_exports__);
/* harmony export */ __webpack_require__.d(__webpack_exports__, {
/* harmony export */   "Storage": () => (/* binding */ Storage)
/* harmony export */ });
/* harmony import */ var _capacitor_core__WEBPACK_IMPORTED_MODULE_0__ = __webpack_require__(/*! @capacitor/core */ 8384);
/* harmony import */ var _definitions__WEBPACK_IMPORTED_MODULE_1__ = __webpack_require__(/*! ./definitions */ 2412);

const Storage = (0,_capacitor_core__WEBPACK_IMPORTED_MODULE_0__.registerPlugin)('Storage', {
    web: () => __webpack_require__.e(/*! import() */ "node_modules_capacitor_storage_dist_esm_web_js").then(__webpack_require__.bind(__webpack_require__, /*! ./web */ 968)).then(m => new m.StorageWeb()),
});


//# sourceMappingURL=index.js.map

/***/ }),

/***/ 476:
/*!****************************************************************************!*\
  !*** ./node_modules/@ionic/angular/__ivy_ngcc__/fesm2015/ionic-angular.js ***!
  \****************************************************************************/
/***/ ((__unused_webpack_module, __webpack_exports__, __webpack_require__) => {

"use strict";
__webpack_require__.r(__webpack_exports__);
/* harmony export */ __webpack_require__.d(__webpack_exports__, {
/* harmony export */   "IonicSafeString": () => (/* reexport safe */ _ionic_core__WEBPACK_IMPORTED_MODULE_0__.IonicSafeString),
/* harmony export */   "IonicSwiper": () => (/* reexport safe */ _ionic_core__WEBPACK_IMPORTED_MODULE_0__.IonicSwiper),
/* harmony export */   "createAnimation": () => (/* reexport safe */ _ionic_core__WEBPACK_IMPORTED_MODULE_0__.createAnimation),
/* harmony export */   "getPlatforms": () => (/* reexport safe */ _ionic_core__WEBPACK_IMPORTED_MODULE_0__.getPlatforms),
/* harmony export */   "iosTransitionAnimation": () => (/* reexport safe */ _ionic_core__WEBPACK_IMPORTED_MODULE_0__.iosTransitionAnimation),
/* harmony export */   "isPlatform": () => (/* reexport safe */ _ionic_core__WEBPACK_IMPORTED_MODULE_0__.isPlatform),
/* harmony export */   "mdTransitionAnimation": () => (/* reexport safe */ _ionic_core__WEBPACK_IMPORTED_MODULE_0__.mdTransitionAnimation),
/* harmony export */   "ActionSheetController": () => (/* binding */ ActionSheetController),
/* harmony export */   "AlertController": () => (/* binding */ AlertController),
/* harmony export */   "AngularDelegate": () => (/* binding */ AngularDelegate),
/* harmony export */   "AnimationController": () => (/* binding */ AnimationController),
/* harmony export */   "BooleanValueAccessor": () => (/* binding */ BooleanValueAccessor),
/* harmony export */   "Config": () => (/* binding */ Config),
/* harmony export */   "DomController": () => (/* binding */ DomController),
/* harmony export */   "GestureController": () => (/* binding */ GestureController),
/* harmony export */   "IonApp": () => (/* binding */ IonApp),
/* harmony export */   "IonAvatar": () => (/* binding */ IonAvatar),
/* harmony export */   "IonBackButton": () => (/* binding */ IonBackButton),
/* harmony export */   "IonBackButtonDelegate": () => (/* binding */ IonBackButtonDelegate),
/* harmony export */   "IonBackdrop": () => (/* binding */ IonBackdrop),
/* harmony export */   "IonBadge": () => (/* binding */ IonBadge),
/* harmony export */   "IonButton": () => (/* binding */ IonButton),
/* harmony export */   "IonButtons": () => (/* binding */ IonButtons),
/* harmony export */   "IonCard": () => (/* binding */ IonCard),
/* harmony export */   "IonCardContent": () => (/* binding */ IonCardContent),
/* harmony export */   "IonCardHeader": () => (/* binding */ IonCardHeader),
/* harmony export */   "IonCardSubtitle": () => (/* binding */ IonCardSubtitle),
/* harmony export */   "IonCardTitle": () => (/* binding */ IonCardTitle),
/* harmony export */   "IonCheckbox": () => (/* binding */ IonCheckbox),
/* harmony export */   "IonChip": () => (/* binding */ IonChip),
/* harmony export */   "IonCol": () => (/* binding */ IonCol),
/* harmony export */   "IonContent": () => (/* binding */ IonContent),
/* harmony export */   "IonDatetime": () => (/* binding */ IonDatetime),
/* harmony export */   "IonFab": () => (/* binding */ IonFab),
/* harmony export */   "IonFabButton": () => (/* binding */ IonFabButton),
/* harmony export */   "IonFabList": () => (/* binding */ IonFabList),
/* harmony export */   "IonFooter": () => (/* binding */ IonFooter),
/* harmony export */   "IonGrid": () => (/* binding */ IonGrid),
/* harmony export */   "IonHeader": () => (/* binding */ IonHeader),
/* harmony export */   "IonIcon": () => (/* binding */ IonIcon),
/* harmony export */   "IonImg": () => (/* binding */ IonImg),
/* harmony export */   "IonInfiniteScroll": () => (/* binding */ IonInfiniteScroll),
/* harmony export */   "IonInfiniteScrollContent": () => (/* binding */ IonInfiniteScrollContent),
/* harmony export */   "IonInput": () => (/* binding */ IonInput),
/* harmony export */   "IonItem": () => (/* binding */ IonItem),
/* harmony export */   "IonItemDivider": () => (/* binding */ IonItemDivider),
/* harmony export */   "IonItemGroup": () => (/* binding */ IonItemGroup),
/* harmony export */   "IonItemOption": () => (/* binding */ IonItemOption),
/* harmony export */   "IonItemOptions": () => (/* binding */ IonItemOptions),
/* harmony export */   "IonItemSliding": () => (/* binding */ IonItemSliding),
/* harmony export */   "IonLabel": () => (/* binding */ IonLabel),
/* harmony export */   "IonList": () => (/* binding */ IonList),
/* harmony export */   "IonListHeader": () => (/* binding */ IonListHeader),
/* harmony export */   "IonMenu": () => (/* binding */ IonMenu),
/* harmony export */   "IonMenuButton": () => (/* binding */ IonMenuButton),
/* harmony export */   "IonMenuToggle": () => (/* binding */ IonMenuToggle),
/* harmony export */   "IonNav": () => (/* binding */ IonNav),
/* harmony export */   "IonNavLink": () => (/* binding */ IonNavLink),
/* harmony export */   "IonNote": () => (/* binding */ IonNote),
/* harmony export */   "IonProgressBar": () => (/* binding */ IonProgressBar),
/* harmony export */   "IonRadio": () => (/* binding */ IonRadio),
/* harmony export */   "IonRadioGroup": () => (/* binding */ IonRadioGroup),
/* harmony export */   "IonRange": () => (/* binding */ IonRange),
/* harmony export */   "IonRefresher": () => (/* binding */ IonRefresher),
/* harmony export */   "IonRefresherContent": () => (/* binding */ IonRefresherContent),
/* harmony export */   "IonReorder": () => (/* binding */ IonReorder),
/* harmony export */   "IonReorderGroup": () => (/* binding */ IonReorderGroup),
/* harmony export */   "IonRippleEffect": () => (/* binding */ IonRippleEffect),
/* harmony export */   "IonRouterOutlet": () => (/* binding */ IonRouterOutlet),
/* harmony export */   "IonRow": () => (/* binding */ IonRow),
/* harmony export */   "IonSearchbar": () => (/* binding */ IonSearchbar),
/* harmony export */   "IonSegment": () => (/* binding */ IonSegment),
/* harmony export */   "IonSegmentButton": () => (/* binding */ IonSegmentButton),
/* harmony export */   "IonSelect": () => (/* binding */ IonSelect),
/* harmony export */   "IonSelectOption": () => (/* binding */ IonSelectOption),
/* harmony export */   "IonSkeletonText": () => (/* binding */ IonSkeletonText),
/* harmony export */   "IonSlide": () => (/* binding */ IonSlide),
/* harmony export */   "IonSlides": () => (/* binding */ IonSlides),
/* harmony export */   "IonSpinner": () => (/* binding */ IonSpinner),
/* harmony export */   "IonSplitPane": () => (/* binding */ IonSplitPane),
/* harmony export */   "IonTabBar": () => (/* binding */ IonTabBar),
/* harmony export */   "IonTabButton": () => (/* binding */ IonTabButton),
/* harmony export */   "IonTabs": () => (/* binding */ IonTabs),
/* harmony export */   "IonText": () => (/* binding */ IonText),
/* harmony export */   "IonTextarea": () => (/* binding */ IonTextarea),
/* harmony export */   "IonThumbnail": () => (/* binding */ IonThumbnail),
/* harmony export */   "IonTitle": () => (/* binding */ IonTitle),
/* harmony export */   "IonToggle": () => (/* binding */ IonToggle),
/* harmony export */   "IonToolbar": () => (/* binding */ IonToolbar),
/* harmony export */   "IonVirtualScroll": () => (/* binding */ IonVirtualScroll),
/* harmony export */   "IonicModule": () => (/* binding */ IonicModule),
/* harmony export */   "IonicRouteStrategy": () => (/* binding */ IonicRouteStrategy),
/* harmony export */   "LoadingController": () => (/* binding */ LoadingController),
/* harmony export */   "MenuController": () => (/* binding */ MenuController),
/* harmony export */   "ModalController": () => (/* binding */ ModalController),
/* harmony export */   "NavController": () => (/* binding */ NavController),
/* harmony export */   "NavDelegate": () => (/* binding */ NavDelegate),
/* harmony export */   "NavParams": () => (/* binding */ NavParams),
/* harmony export */   "NumericValueAccessor": () => (/* binding */ NumericValueAccessor),
/* harmony export */   "PickerController": () => (/* binding */ PickerController),
/* harmony export */   "Platform": () => (/* binding */ Platform),
/* harmony export */   "PopoverController": () => (/* binding */ PopoverController),
/* harmony export */   "RadioValueAccessor": () => (/* binding */ RadioValueAccessor),
/* harmony export */   "RouterLinkDelegate": () => (/* binding */ RouterLinkDelegate),
/* harmony export */   "SelectValueAccessor": () => (/* binding */ SelectValueAccessor),
/* harmony export */   "TextValueAccessor": () => (/* binding */ TextValueAccessor),
/* harmony export */   "ToastController": () => (/* binding */ ToastController),
/* harmony export */   "VirtualFooter": () => (/* binding */ VirtualFooter),
/* harmony export */   "VirtualHeader": () => (/* binding */ VirtualHeader),
/* harmony export */   "VirtualItem": () => (/* binding */ VirtualItem),
/* harmony export */   "ɵa": () => (/* binding */ ConfigToken),
/* harmony export */   "ɵb": () => (/* binding */ ValueAccessor),
/* harmony export */   "ɵc": () => (/* binding */ ProxyCmp),
/* harmony export */   "ɵe": () => (/* binding */ OverlayBaseController),
/* harmony export */   "ɵf": () => (/* binding */ appInitialize)
/* harmony export */ });
/* harmony import */ var tslib__WEBPACK_IMPORTED_MODULE_4__ = __webpack_require__(/*! tslib */ 6923);
/* harmony import */ var _angular_core__WEBPACK_IMPORTED_MODULE_3__ = __webpack_require__(/*! @angular/core */ 7716);
/* harmony import */ var _angular_forms__WEBPACK_IMPORTED_MODULE_2__ = __webpack_require__(/*! @angular/forms */ 3679);
/* harmony import */ var _angular_common__WEBPACK_IMPORTED_MODULE_6__ = __webpack_require__(/*! @angular/common */ 8583);
/* harmony import */ var _angular_router__WEBPACK_IMPORTED_MODULE_7__ = __webpack_require__(/*! @angular/router */ 9895);
/* harmony import */ var _ionic_core__WEBPACK_IMPORTED_MODULE_0__ = __webpack_require__(/*! @ionic/core */ 6461);
/* harmony import */ var rxjs__WEBPACK_IMPORTED_MODULE_5__ = __webpack_require__(/*! rxjs */ 9765);
/* harmony import */ var rxjs__WEBPACK_IMPORTED_MODULE_8__ = __webpack_require__(/*! rxjs */ 2759);
/* harmony import */ var rxjs__WEBPACK_IMPORTED_MODULE_9__ = __webpack_require__(/*! rxjs */ 6215);
/* harmony import */ var rxjs_operators__WEBPACK_IMPORTED_MODULE_10__ = __webpack_require__(/*! rxjs/operators */ 5435);
/* harmony import */ var rxjs_operators__WEBPACK_IMPORTED_MODULE_11__ = __webpack_require__(/*! rxjs/operators */ 3190);
/* harmony import */ var rxjs_operators__WEBPACK_IMPORTED_MODULE_12__ = __webpack_require__(/*! rxjs/operators */ 7519);
/* harmony import */ var _ionic_core_loader__WEBPACK_IMPORTED_MODULE_1__ = __webpack_require__(/*! @ionic/core/loader */ 2458);










const _c0 = ["*"];
const _c1 = ["outlet"];
const _c2 = [[["", "slot", "top"]], "*"];
const _c3 = ["[slot=top]", "*"];





const raf = (h) => {
    if (typeof __zone_symbol__requestAnimationFrame === 'function') {
        return __zone_symbol__requestAnimationFrame(h);
    }
    if (typeof requestAnimationFrame === 'function') {
        return requestAnimationFrame(h);
    }
    return setTimeout(h);
};

class ValueAccessor {
    constructor(injector, el) {
        this.injector = injector;
        this.el = el;
        this.onChange = () => { };
        this.onTouched = () => { };
    }
    writeValue(value) {
        /**
         * TODO for Ionic 6:
         * Change `value == null ? '' : value;`
         * to `value`. This was a fix for IE9, but IE9
         * is no longer supported; however, this change
         * is potentially a breaking change
         */
        this.el.nativeElement.value = this.lastValue = value == null ? '' : value;
        setIonicClasses(this.el);
    }
    handleChangeEvent(el, value) {
        if (el === this.el.nativeElement) {
            if (value !== this.lastValue) {
                this.lastValue = value;
                this.onChange(value);
            }
            setIonicClasses(this.el);
        }
    }
    _handleBlurEvent(el) {
        if (el === this.el.nativeElement) {
            this.onTouched();
            setIonicClasses(this.el);
        }
    }
    registerOnChange(fn) {
        this.onChange = fn;
    }
    registerOnTouched(fn) {
        this.onTouched = fn;
    }
    setDisabledState(isDisabled) {
        this.el.nativeElement.disabled = isDisabled;
    }
    ngOnDestroy() {
        if (this.statusChanges) {
            this.statusChanges.unsubscribe();
        }
    }
    ngAfterViewInit() {
        let ngControl;
        try {
            ngControl = this.injector.get(_angular_forms__WEBPACK_IMPORTED_MODULE_2__.NgControl);
        }
        catch ( /* No FormControl or ngModel binding */_a) { /* No FormControl or ngModel binding */ }
        if (!ngControl) {
            return;
        }
        // Listen for changes in validity, disabled, or pending states
        if (ngControl.statusChanges) {
            this.statusChanges = ngControl.statusChanges.subscribe(() => setIonicClasses(this.el));
        }
        /**
         * TODO Remove this in favor of https://github.com/angular/angular/issues/10887
         * whenever it is implemented. Currently, Ionic's form status classes
         * do not react to changes when developers manually call
         * Angular form control methods such as markAsTouched.
         * This results in Ionic's form status classes being out
         * of sync with the ng form status classes.
         * This patches the methods to manually sync
         * the classes until this feature is implemented in Angular.
         */
        const formControl = ngControl.control;
        if (formControl) {
            const methodsToPatch = ['markAsTouched', 'markAllAsTouched', 'markAsUntouched', 'markAsDirty', 'markAsPristine'];
            methodsToPatch.forEach(method => {
                if (formControl[method]) {
                    const oldFn = formControl[method].bind(formControl);
                    formControl[method] = (...params) => {
                        oldFn(...params);
                        setIonicClasses(this.el);
                    };
                }
            });
        }
    }
}
ValueAccessor.ɵfac = function ValueAccessor_Factory(t) { _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵinvalidFactory"](); };
ValueAccessor.ɵdir = /*@__PURE__*/ _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵdefineDirective"]({ type: ValueAccessor, hostBindings: function ValueAccessor_HostBindings(rf, ctx) { if (rf & 1) {
        _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵlistener"]("ionBlur", function ValueAccessor_ionBlur_HostBindingHandler($event) { return ctx._handleBlurEvent($event.target); });
    } } });
(0,tslib__WEBPACK_IMPORTED_MODULE_4__.__decorate)([
    (0,_angular_core__WEBPACK_IMPORTED_MODULE_3__.HostListener)('ionBlur', ['$event.target'])
], ValueAccessor.prototype, "_handleBlurEvent", null);
const setIonicClasses = (element) => {
    raf(() => {
        const input = element.nativeElement;
        const classes = getClasses(input);
        setClasses(input, classes);
        const item = input.closest('ion-item');
        if (item) {
            setClasses(item, classes);
        }
    });
};
const getClasses = (element) => {
    const classList = element.classList;
    const classes = [];
    for (let i = 0; i < classList.length; i++) {
        const item = classList.item(i);
        if (item !== null && startsWith(item, 'ng-')) {
            classes.push(`ion-${item.substr(3)}`);
        }
    }
    return classes;
};
const ɵ0 = getClasses;
const setClasses = (element, classes) => {
    const classList = element.classList;
    [
        'ion-valid',
        'ion-invalid',
        'ion-touched',
        'ion-untouched',
        'ion-dirty',
        'ion-pristine'
    ].forEach(c => classList.remove(c));
    classes.forEach(c => classList.add(c));
};
const ɵ1 = setClasses;
const startsWith = (input, search) => {
    return input.substr(0, search.length) === search;
};
const ɵ2 = startsWith;

var BooleanValueAccessor_1;
let BooleanValueAccessor = BooleanValueAccessor_1 = class BooleanValueAccessor extends ValueAccessor {
    constructor(injector, el) {
        super(injector, el);
    }
    writeValue(value) {
        this.el.nativeElement.checked = this.lastValue = value == null ? false : value;
        setIonicClasses(this.el);
    }
    _handleIonChange(el) {
        this.handleChangeEvent(el, el.checked);
    }
};
BooleanValueAccessor.ɵfac = function BooleanValueAccessor_Factory(t) { return new (t || BooleanValueAccessor)(_angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵdirectiveInject"](_angular_core__WEBPACK_IMPORTED_MODULE_3__.Injector), _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵdirectiveInject"](_angular_core__WEBPACK_IMPORTED_MODULE_3__.ElementRef)); };
BooleanValueAccessor.ɵdir = /*@__PURE__*/ _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵdefineDirective"]({ type: BooleanValueAccessor, selectors: [["ion-checkbox"], ["ion-toggle"]], hostBindings: function BooleanValueAccessor_HostBindings(rf, ctx) { if (rf & 1) {
        _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵlistener"]("ionChange", function BooleanValueAccessor_ionChange_HostBindingHandler($event) { return ctx._handleIonChange($event.target); });
    } }, features: [_angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵProvidersFeature"]([
            {
                provide: _angular_forms__WEBPACK_IMPORTED_MODULE_2__.NG_VALUE_ACCESSOR,
                useExisting: BooleanValueAccessor_1,
                multi: true
            }
        ]), _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵInheritDefinitionFeature"]] });
BooleanValueAccessor.ctorParameters = () => [
    { type: _angular_core__WEBPACK_IMPORTED_MODULE_3__.Injector },
    { type: _angular_core__WEBPACK_IMPORTED_MODULE_3__.ElementRef }
];
(0,tslib__WEBPACK_IMPORTED_MODULE_4__.__decorate)([
    (0,_angular_core__WEBPACK_IMPORTED_MODULE_3__.HostListener)('ionChange', ['$event.target'])
], BooleanValueAccessor.prototype, "_handleIonChange", null);

var NumericValueAccessor_1;
let NumericValueAccessor = NumericValueAccessor_1 = class NumericValueAccessor extends ValueAccessor {
    constructor(injector, el) {
        super(injector, el);
    }
    _handleIonChange(el) {
        this.handleChangeEvent(el, el.value);
    }
    registerOnChange(fn) {
        super.registerOnChange(value => {
            fn(value === '' ? null : parseFloat(value));
        });
    }
};
NumericValueAccessor.ɵfac = function NumericValueAccessor_Factory(t) { return new (t || NumericValueAccessor)(_angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵdirectiveInject"](_angular_core__WEBPACK_IMPORTED_MODULE_3__.Injector), _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵdirectiveInject"](_angular_core__WEBPACK_IMPORTED_MODULE_3__.ElementRef)); };
NumericValueAccessor.ɵdir = /*@__PURE__*/ _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵdefineDirective"]({ type: NumericValueAccessor, selectors: [["ion-input", "type", "number"]], hostBindings: function NumericValueAccessor_HostBindings(rf, ctx) { if (rf & 1) {
        _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵlistener"]("ionChange", function NumericValueAccessor_ionChange_HostBindingHandler($event) { return ctx._handleIonChange($event.target); });
    } }, features: [_angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵProvidersFeature"]([
            {
                provide: _angular_forms__WEBPACK_IMPORTED_MODULE_2__.NG_VALUE_ACCESSOR,
                useExisting: NumericValueAccessor_1,
                multi: true
            }
        ]), _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵInheritDefinitionFeature"]] });
NumericValueAccessor.ctorParameters = () => [
    { type: _angular_core__WEBPACK_IMPORTED_MODULE_3__.Injector },
    { type: _angular_core__WEBPACK_IMPORTED_MODULE_3__.ElementRef }
];
(0,tslib__WEBPACK_IMPORTED_MODULE_4__.__decorate)([
    (0,_angular_core__WEBPACK_IMPORTED_MODULE_3__.HostListener)('ionChange', ['$event.target'])
], NumericValueAccessor.prototype, "_handleIonChange", null);

var RadioValueAccessor_1;
let RadioValueAccessor = RadioValueAccessor_1 = class RadioValueAccessor extends ValueAccessor {
    constructor(injector, el) {
        super(injector, el);
    }
    _handleIonSelect(el) {
        this.handleChangeEvent(el, el.checked);
    }
};
RadioValueAccessor.ɵfac = function RadioValueAccessor_Factory(t) { return new (t || RadioValueAccessor)(_angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵdirectiveInject"](_angular_core__WEBPACK_IMPORTED_MODULE_3__.Injector), _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵdirectiveInject"](_angular_core__WEBPACK_IMPORTED_MODULE_3__.ElementRef)); };
RadioValueAccessor.ɵdir = /*@__PURE__*/ _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵdefineDirective"]({ type: RadioValueAccessor, selectors: [["ion-radio"]], hostBindings: function RadioValueAccessor_HostBindings(rf, ctx) { if (rf & 1) {
        _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵlistener"]("ionSelect", function RadioValueAccessor_ionSelect_HostBindingHandler($event) { return ctx._handleIonSelect($event.target); });
    } }, features: [_angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵProvidersFeature"]([
            {
                provide: _angular_forms__WEBPACK_IMPORTED_MODULE_2__.NG_VALUE_ACCESSOR,
                useExisting: RadioValueAccessor_1,
                multi: true
            }
        ]), _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵInheritDefinitionFeature"]] });
RadioValueAccessor.ctorParameters = () => [
    { type: _angular_core__WEBPACK_IMPORTED_MODULE_3__.Injector },
    { type: _angular_core__WEBPACK_IMPORTED_MODULE_3__.ElementRef }
];
(0,tslib__WEBPACK_IMPORTED_MODULE_4__.__decorate)([
    (0,_angular_core__WEBPACK_IMPORTED_MODULE_3__.HostListener)('ionSelect', ['$event.target'])
], RadioValueAccessor.prototype, "_handleIonSelect", null);

var SelectValueAccessor_1;
let SelectValueAccessor = SelectValueAccessor_1 = class SelectValueAccessor extends ValueAccessor {
    constructor(injector, el) {
        super(injector, el);
    }
    _handleChangeEvent(el) {
        this.handleChangeEvent(el, el.value);
    }
};
SelectValueAccessor.ɵfac = function SelectValueAccessor_Factory(t) { return new (t || SelectValueAccessor)(_angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵdirectiveInject"](_angular_core__WEBPACK_IMPORTED_MODULE_3__.Injector), _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵdirectiveInject"](_angular_core__WEBPACK_IMPORTED_MODULE_3__.ElementRef)); };
SelectValueAccessor.ɵdir = /*@__PURE__*/ _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵdefineDirective"]({ type: SelectValueAccessor, selectors: [["ion-range"], ["ion-select"], ["ion-radio-group"], ["ion-segment"], ["ion-datetime"]], hostBindings: function SelectValueAccessor_HostBindings(rf, ctx) { if (rf & 1) {
        _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵlistener"]("ionChange", function SelectValueAccessor_ionChange_HostBindingHandler($event) { return ctx._handleChangeEvent($event.target); });
    } }, features: [_angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵProvidersFeature"]([
            {
                provide: _angular_forms__WEBPACK_IMPORTED_MODULE_2__.NG_VALUE_ACCESSOR,
                useExisting: SelectValueAccessor_1,
                multi: true
            }
        ]), _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵInheritDefinitionFeature"]] });
SelectValueAccessor.ctorParameters = () => [
    { type: _angular_core__WEBPACK_IMPORTED_MODULE_3__.Injector },
    { type: _angular_core__WEBPACK_IMPORTED_MODULE_3__.ElementRef }
];
(0,tslib__WEBPACK_IMPORTED_MODULE_4__.__decorate)([
    (0,_angular_core__WEBPACK_IMPORTED_MODULE_3__.HostListener)('ionChange', ['$event.target'])
], SelectValueAccessor.prototype, "_handleChangeEvent", null);

var TextValueAccessor_1;
let TextValueAccessor = TextValueAccessor_1 = class TextValueAccessor extends ValueAccessor {
    constructor(injector, el) {
        super(injector, el);
    }
    _handleInputEvent(el) {
        this.handleChangeEvent(el, el.value);
    }
};
TextValueAccessor.ɵfac = function TextValueAccessor_Factory(t) { return new (t || TextValueAccessor)(_angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵdirectiveInject"](_angular_core__WEBPACK_IMPORTED_MODULE_3__.Injector), _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵdirectiveInject"](_angular_core__WEBPACK_IMPORTED_MODULE_3__.ElementRef)); };
TextValueAccessor.ɵdir = /*@__PURE__*/ _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵdefineDirective"]({ type: TextValueAccessor, selectors: [["ion-input", 3, "type", "number"], ["ion-textarea"], ["ion-searchbar"]], hostBindings: function TextValueAccessor_HostBindings(rf, ctx) { if (rf & 1) {
        _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵlistener"]("ionChange", function TextValueAccessor_ionChange_HostBindingHandler($event) { return ctx._handleInputEvent($event.target); });
    } }, features: [_angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵProvidersFeature"]([
            {
                provide: _angular_forms__WEBPACK_IMPORTED_MODULE_2__.NG_VALUE_ACCESSOR,
                useExisting: TextValueAccessor_1,
                multi: true
            }
        ]), _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵInheritDefinitionFeature"]] });
TextValueAccessor.ctorParameters = () => [
    { type: _angular_core__WEBPACK_IMPORTED_MODULE_3__.Injector },
    { type: _angular_core__WEBPACK_IMPORTED_MODULE_3__.ElementRef }
];
(0,tslib__WEBPACK_IMPORTED_MODULE_4__.__decorate)([
    (0,_angular_core__WEBPACK_IMPORTED_MODULE_3__.HostListener)('ionChange', ['$event.target'])
], TextValueAccessor.prototype, "_handleInputEvent", null);

let Platform = class Platform {
    constructor(doc, zone) {
        this.doc = doc;
        /**
         * @hidden
         */
        this.backButton = new rxjs__WEBPACK_IMPORTED_MODULE_5__.Subject();
        /**
         * The keyboardDidShow event emits when the
         * on-screen keyboard is presented.
         */
        this.keyboardDidShow = new rxjs__WEBPACK_IMPORTED_MODULE_5__.Subject();
        /**
         * The keyboardDidHide event emits when the
         * on-screen keyboard is hidden.
         */
        this.keyboardDidHide = new rxjs__WEBPACK_IMPORTED_MODULE_5__.Subject();
        /**
         * The pause event emits when the native platform puts the application
         * into the background, typically when the user switches to a different
         * application. This event would emit when a Cordova app is put into
         * the background, however, it would not fire on a standard web browser.
         */
        this.pause = new rxjs__WEBPACK_IMPORTED_MODULE_5__.Subject();
        /**
         * The resume event emits when the native platform pulls the application
         * out from the background. This event would emit when a Cordova app comes
         * out from the background, however, it would not fire on a standard web browser.
         */
        this.resume = new rxjs__WEBPACK_IMPORTED_MODULE_5__.Subject();
        /**
         * The resize event emits when the browser window has changed dimensions. This
         * could be from a browser window being physically resized, or from a device
         * changing orientation.
         */
        this.resize = new rxjs__WEBPACK_IMPORTED_MODULE_5__.Subject();
        zone.run(() => {
            this.win = doc.defaultView;
            this.backButton.subscribeWithPriority = function (priority, callback) {
                return this.subscribe(ev => {
                    return ev.register(priority, processNextHandler => zone.run(() => callback(processNextHandler)));
                });
            };
            proxyEvent(this.pause, doc, 'pause');
            proxyEvent(this.resume, doc, 'resume');
            proxyEvent(this.backButton, doc, 'ionBackButton');
            proxyEvent(this.resize, this.win, 'resize');
            proxyEvent(this.keyboardDidShow, this.win, 'ionKeyboardDidShow');
            proxyEvent(this.keyboardDidHide, this.win, 'ionKeyboardDidHide');
            let readyResolve;
            this._readyPromise = new Promise(res => { readyResolve = res; });
            if (this.win && this.win['cordova']) {
                doc.addEventListener('deviceready', () => {
                    readyResolve('cordova');
                }, { once: true });
            }
            else {
                readyResolve('dom');
            }
        });
    }
    /**
     * @returns returns true/false based on platform.
     * @description
     * Depending on the platform the user is on, `is(platformName)` will
     * return `true` or `false`. Note that the same app can return `true`
     * for more than one platform name. For example, an app running from
     * an iPad would return `true` for the platform names: `mobile`,
     * `ios`, `ipad`, and `tablet`. Additionally, if the app was running
     * from Cordova then `cordova` would be true, and if it was running
     * from a web browser on the iPad then `mobileweb` would be `true`.
     *
     * ```
     * import { Platform } from 'ionic-angular';
     *
     * @Component({...})
     * export MyPage {
     *   constructor(public platform: Platform) {
     *     if (this.platform.is('ios')) {
     *       // This will only print when on iOS
     *       console.log('I am an iOS device!');
     *     }
     *   }
     * }
     * ```
     *
     * | Platform Name   | Description                        |
     * |-----------------|------------------------------------|
     * | android         | on a device running Android.       |
     * | capacitor       | on a device running Capacitor.     |
     * | cordova         | on a device running Cordova.       |
     * | ios             | on a device running iOS.           |
     * | ipad            | on an iPad device.                 |
     * | iphone          | on an iPhone device.               |
     * | phablet         | on a phablet device.               |
     * | tablet          | on a tablet device.                |
     * | electron        | in Electron on a desktop device.   |
     * | pwa             | as a PWA app.                      |
     * | mobile          | on a mobile device.                |
     * | mobileweb       | on a mobile device in a browser.   |
     * | desktop         | on a desktop device.               |
     * | hybrid          | is a cordova or capacitor app.     |
     *
     */
    is(platformName) {
        return (0,_ionic_core__WEBPACK_IMPORTED_MODULE_0__.isPlatform)(this.win, platformName);
    }
    /**
     * @returns the array of platforms
     * @description
     * Depending on what device you are on, `platforms` can return multiple values.
     * Each possible value is a hierarchy of platforms. For example, on an iPhone,
     * it would return `mobile`, `ios`, and `iphone`.
     *
     * ```
     * import { Platform } from 'ionic-angular';
     *
     * @Component({...})
     * export MyPage {
     *   constructor(public platform: Platform) {
     *     // This will print an array of the current platforms
     *     console.log(this.platform.platforms());
     *   }
     * }
     * ```
     */
    platforms() {
        return (0,_ionic_core__WEBPACK_IMPORTED_MODULE_0__.getPlatforms)(this.win);
    }
    /**
     * Returns a promise when the platform is ready and native functionality
     * can be called. If the app is running from within a web browser, then
     * the promise will resolve when the DOM is ready. When the app is running
     * from an application engine such as Cordova, then the promise will
     * resolve when Cordova triggers the `deviceready` event.
     *
     * The resolved value is the `readySource`, which states which platform
     * ready was used. For example, when Cordova is ready, the resolved ready
     * source is `cordova`. The default ready source value will be `dom`. The
     * `readySource` is useful if different logic should run depending on the
     * platform the app is running from. For example, only Cordova can execute
     * the status bar plugin, so the web should not run status bar plugin logic.
     *
     * ```
     * import { Component } from '@angular/core';
     * import { Platform } from 'ionic-angular';
     *
     * @Component({...})
     * export MyApp {
     *   constructor(public platform: Platform) {
     *     this.platform.ready().then((readySource) => {
     *       console.log('Platform ready from', readySource);
     *       // Platform now ready, execute any required native code
     *     });
     *   }
     * }
     * ```
     */
    ready() {
        return this._readyPromise;
    }
    /**
     * Returns if this app is using right-to-left language direction or not.
     * We recommend the app's `index.html` file already has the correct `dir`
     * attribute value set, such as `<html dir="ltr">` or `<html dir="rtl">`.
     * [W3C: Structural markup and right-to-left text in HTML](http://www.w3.org/International/questions/qa-html-dir)
     */
    get isRTL() {
        return this.doc.dir === 'rtl';
    }
    /**
     * Get the query string parameter
     */
    getQueryParam(key) {
        return readQueryParam(this.win.location.href, key);
    }
    /**
     * Returns `true` if the app is in landscape mode.
     */
    isLandscape() {
        return !this.isPortrait();
    }
    /**
     * Returns `true` if the app is in portrait mode.
     */
    isPortrait() {
        return this.win.matchMedia && this.win.matchMedia('(orientation: portrait)').matches;
    }
    testUserAgent(expression) {
        const nav = this.win.navigator;
        return !!(nav && nav.userAgent && nav.userAgent.indexOf(expression) >= 0);
    }
    /**
     * Get the current url.
     */
    url() {
        return this.win.location.href;
    }
    /**
     * Gets the width of the platform's viewport using `window.innerWidth`.
     */
    width() {
        return this.win.innerWidth;
    }
    /**
     * Gets the height of the platform's viewport using `window.innerHeight`.
     */
    height() {
        return this.win.innerHeight;
    }
};
Platform.ɵfac = function Platform_Factory(t) { return new (t || Platform)(_angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵinject"](_angular_common__WEBPACK_IMPORTED_MODULE_6__.DOCUMENT), _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵinject"](_angular_core__WEBPACK_IMPORTED_MODULE_3__.NgZone)); };
Platform.ɵprov = /*@__PURE__*/ _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵdefineInjectable"]({ token: Platform, factory: function (t) { return Platform.ɵfac(t); }, providedIn: 'root' });
Platform.ctorParameters = () => [
    { type: undefined, decorators: [{ type: _angular_core__WEBPACK_IMPORTED_MODULE_3__.Inject, args: [_angular_common__WEBPACK_IMPORTED_MODULE_6__.DOCUMENT,] }] },
    { type: _angular_core__WEBPACK_IMPORTED_MODULE_3__.NgZone }
];
Platform.ngInjectableDef = (0,_angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵdefineInjectable"])({ factory: function Platform_Factory() { return new Platform((0,_angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵinject"])(_angular_common__WEBPACK_IMPORTED_MODULE_6__.DOCUMENT), (0,_angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵinject"])(_angular_core__WEBPACK_IMPORTED_MODULE_3__.NgZone)); }, token: Platform, providedIn: "root" });
Platform = (0,tslib__WEBPACK_IMPORTED_MODULE_4__.__decorate)([ (0,tslib__WEBPACK_IMPORTED_MODULE_4__.__param)(0, (0,_angular_core__WEBPACK_IMPORTED_MODULE_3__.Inject)(_angular_common__WEBPACK_IMPORTED_MODULE_6__.DOCUMENT))
], Platform);
const readQueryParam = (url, key) => {
    key = key.replace(/[\[]/, '\\[').replace(/[\]]/, '\\]');
    const regex = new RegExp('[\\?&]' + key + '=([^&#]*)');
    const results = regex.exec(url);
    return results ? decodeURIComponent(results[1].replace(/\+/g, ' ')) : null;
};
const ɵ0$1 = readQueryParam;
const proxyEvent = (emitter, el, eventName) => {
    if (el) {
        el.addEventListener(eventName, (ev) => {
            // ?? cordova might emit "null" events
            emitter.next(ev != null ? ev.detail : undefined);
        });
    }
};
const ɵ1$1 = proxyEvent;

let NavController = class NavController {
    constructor(platform, location, serializer, router) {
        this.location = location;
        this.serializer = serializer;
        this.router = router;
        this.direction = DEFAULT_DIRECTION;
        this.animated = DEFAULT_ANIMATED;
        this.guessDirection = 'forward';
        this.lastNavId = -1;
        // Subscribe to router events to detect direction
        if (router) {
            router.events.subscribe(ev => {
                if (ev instanceof _angular_router__WEBPACK_IMPORTED_MODULE_7__.NavigationStart) {
                    const id = (ev.restoredState) ? ev.restoredState.navigationId : ev.id;
                    this.guessDirection = id < this.lastNavId ? 'back' : 'forward';
                    this.guessAnimation = !ev.restoredState ? this.guessDirection : undefined;
                    this.lastNavId = this.guessDirection === 'forward' ? ev.id : id;
                }
            });
        }
        // Subscribe to backButton events
        platform.backButton.subscribeWithPriority(0, processNextHandler => {
            this.pop();
            processNextHandler();
        });
    }
    /**
     * This method uses Angular's [Router](https://angular.io/api/router/Router) under the hood,
     * it's equivalent to calling `this.router.navigateByUrl()`, but it's explicit about the **direction** of the transition.
     *
     * Going **forward** means that a new page is going to be pushed to the stack of the outlet (ion-router-outlet),
     * and that it will show a "forward" animation by default.
     *
     * Navigating forward can also be triggered in a declarative manner by using the `[routerDirection]` directive:
     *
     * ```html
     * <a routerLink="/path/to/page" routerDirection="forward">Link</a>
     * ```
     */
    navigateForward(url, options = {}) {
        this.setDirection('forward', options.animated, options.animationDirection, options.animation);
        return this.navigate(url, options);
    }
    /**
     * This method uses Angular's [Router](https://angular.io/api/router/Router) under the hood,
     * it's equivalent to calling:
     *
     * ```ts
     * this.navController.setDirection('back');
     * this.router.navigateByUrl(path);
     * ```
     *
     * Going **back** means that all the pages in the stack until the navigated page is found will be popped,
     * and that it will show a "back" animation by default.
     *
     * Navigating back can also be triggered in a declarative manner by using the `[routerDirection]` directive:
     *
     * ```html
     * <a routerLink="/path/to/page" routerDirection="back">Link</a>
     * ```
     */
    navigateBack(url, options = {}) {
        this.setDirection('back', options.animated, options.animationDirection, options.animation);
        return this.navigate(url, options);
    }
    /**
     * This method uses Angular's [Router](https://angular.io/api/router/Router) under the hood,
     * it's equivalent to calling:
     *
     * ```ts
     * this.navController.setDirection('root');
     * this.router.navigateByUrl(path);
     * ```
     *
     * Going **root** means that all existing pages in the stack will be removed,
     * and the navigated page will become the single page in the stack.
     *
     * Navigating root can also be triggered in a declarative manner by using the `[routerDirection]` directive:
     *
     * ```html
     * <a routerLink="/path/to/page" routerDirection="root">Link</a>
     * ```
     */
    navigateRoot(url, options = {}) {
        this.setDirection('root', options.animated, options.animationDirection, options.animation);
        return this.navigate(url, options);
    }
    /**
     * Same as [Location](https://angular.io/api/common/Location)'s back() method.
     * It will use the standard `window.history.back()` under the hood, but featuring a `back` animation
     * by default.
     */
    back(options = { animated: true, animationDirection: 'back' }) {
        this.setDirection('back', options.animated, options.animationDirection, options.animation);
        return this.location.back();
    }
    /**
     * This methods goes back in the context of Ionic's stack navigation.
     *
     * It recursively finds the top active `ion-router-outlet` and calls `pop()`.
     * This is the recommended way to go back when you are using `ion-router-outlet`.
     */
    pop() {
        return (0,tslib__WEBPACK_IMPORTED_MODULE_4__.__awaiter)(this, void 0, void 0, function* () {
            let outlet = this.topOutlet;
            while (outlet) {
                if (yield outlet.pop()) {
                    break;
                }
                else {
                    outlet = outlet.parentOutlet;
                }
            }
        });
    }
    /**
     * This methods specifies the direction of the next navigation performed by the Angular router.
     *
     * `setDirection()` does not trigger any transition, it just sets some flags to be consumed by `ion-router-outlet`.
     *
     * It's recommended to use `navigateForward()`, `navigateBack()` and `navigateRoot()` instead of `setDirection()`.
     */
    setDirection(direction, animated, animationDirection, animationBuilder) {
        this.direction = direction;
        this.animated = getAnimation(direction, animated, animationDirection);
        this.animationBuilder = animationBuilder;
    }
    /**
     * @internal
     */
    setTopOutlet(outlet) {
        this.topOutlet = outlet;
    }
    /**
     * @internal
     */
    consumeTransition() {
        let direction = 'root';
        let animation;
        const animationBuilder = this.animationBuilder;
        if (this.direction === 'auto') {
            direction = this.guessDirection;
            animation = this.guessAnimation;
        }
        else {
            animation = this.animated;
            direction = this.direction;
        }
        this.direction = DEFAULT_DIRECTION;
        this.animated = DEFAULT_ANIMATED;
        this.animationBuilder = undefined;
        return {
            direction,
            animation,
            animationBuilder
        };
    }
    navigate(url, options) {
        if (Array.isArray(url)) {
            return this.router.navigate(url, options);
        }
        else {
            /**
             * navigateByUrl ignores any properties that
             * would change the url, so things like queryParams
             * would be ignored unless we create a url tree
             * More Info: https://github.com/angular/angular/issues/18798
             */
            const urlTree = this.serializer.parse(url.toString());
            if (options.queryParams !== undefined) {
                urlTree.queryParams = Object.assign({}, options.queryParams);
            }
            if (options.fragment !== undefined) {
                urlTree.fragment = options.fragment;
            }
            /**
             * `navigateByUrl` will still apply `NavigationExtras` properties
             * that do not modify the url, such as `replaceUrl` which is why
             * `options` is passed in here.
             */
            return this.router.navigateByUrl(urlTree, options);
        }
    }
};
NavController.ɵfac = function NavController_Factory(t) { return new (t || NavController)(_angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵinject"](Platform), _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵinject"](_angular_common__WEBPACK_IMPORTED_MODULE_6__.Location), _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵinject"](_angular_router__WEBPACK_IMPORTED_MODULE_7__.UrlSerializer), _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵinject"](_angular_router__WEBPACK_IMPORTED_MODULE_7__.Router, 8)); };
NavController.ɵprov = /*@__PURE__*/ _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵdefineInjectable"]({ token: NavController, factory: function (t) { return NavController.ɵfac(t); }, providedIn: 'root' });
NavController.ctorParameters = () => [
    { type: Platform },
    { type: _angular_common__WEBPACK_IMPORTED_MODULE_6__.Location },
    { type: _angular_router__WEBPACK_IMPORTED_MODULE_7__.UrlSerializer },
    { type: _angular_router__WEBPACK_IMPORTED_MODULE_7__.Router, decorators: [{ type: _angular_core__WEBPACK_IMPORTED_MODULE_3__.Optional }] }
];
NavController.ngInjectableDef = (0,_angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵdefineInjectable"])({ factory: function NavController_Factory() { return new NavController((0,_angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵinject"])(Platform), (0,_angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵinject"])(_angular_common__WEBPACK_IMPORTED_MODULE_6__.Location), (0,_angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵinject"])(_angular_router__WEBPACK_IMPORTED_MODULE_7__.UrlSerializer), (0,_angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵinject"])(_angular_router__WEBPACK_IMPORTED_MODULE_7__.Router, 8)); }, token: NavController, providedIn: "root" });
NavController = (0,tslib__WEBPACK_IMPORTED_MODULE_4__.__decorate)([ (0,tslib__WEBPACK_IMPORTED_MODULE_4__.__param)(3, (0,_angular_core__WEBPACK_IMPORTED_MODULE_3__.Optional)())
], NavController);
const getAnimation = (direction, animated, animationDirection) => {
    if (animated === false) {
        return undefined;
    }
    if (animationDirection !== undefined) {
        return animationDirection;
    }
    if (direction === 'forward' || direction === 'back') {
        return direction;
    }
    else if (direction === 'root' && animated === true) {
        return 'forward';
    }
    return undefined;
};
const ɵ0$2 = getAnimation;
const DEFAULT_DIRECTION = 'auto';
const DEFAULT_ANIMATED = undefined;

/* eslint-disable */
const proxyInputs = (Cmp, inputs) => {
    const Prototype = Cmp.prototype;
    inputs.forEach(item => {
        Object.defineProperty(Prototype, item, {
            get() {
                return this.el[item];
            },
            set(val) {
                this.z.runOutsideAngular(() => (this.el[item] = val));
            }
        });
    });
};
const proxyMethods = (Cmp, methods) => {
    const Prototype = Cmp.prototype;
    methods.forEach(methodName => {
        Prototype[methodName] = function () {
            const args = arguments;
            return this.z.runOutsideAngular(() => this.el[methodName].apply(this.el, args));
        };
    });
};
const proxyOutputs = (instance, el, events) => {
    events.forEach(eventName => instance[eventName] = (0,rxjs__WEBPACK_IMPORTED_MODULE_8__.fromEvent)(el, eventName));
};
function ProxyCmp(opts) {
    const decorator = function (cls) {
        if (opts.inputs) {
            proxyInputs(cls, opts.inputs);
        }
        if (opts.methods) {
            proxyMethods(cls, opts.methods);
        }
        return cls;
    };
    return decorator;
}

let IonApp = class IonApp {
    constructor(c, r, z) {
        this.z = z;
        c.detach();
        this.el = r.nativeElement;
    }
};
IonApp.ɵfac = function IonApp_Factory(t) { return new (t || IonApp)(_angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵdirectiveInject"](_angular_core__WEBPACK_IMPORTED_MODULE_3__.ChangeDetectorRef), _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵdirectiveInject"](_angular_core__WEBPACK_IMPORTED_MODULE_3__.ElementRef), _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵdirectiveInject"](_angular_core__WEBPACK_IMPORTED_MODULE_3__.NgZone)); };
IonApp.ɵcmp = /*@__PURE__*/ _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵdefineComponent"]({ type: IonApp, selectors: [["ion-app"]], ngContentSelectors: _c0, decls: 1, vars: 0, template: function IonApp_Template(rf, ctx) { if (rf & 1) {
        _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵprojectionDef"]();
        _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵprojection"](0);
    } }, encapsulation: 2, changeDetection: 0 });
IonApp.ctorParameters = () => [
    { type: _angular_core__WEBPACK_IMPORTED_MODULE_3__.ChangeDetectorRef },
    { type: _angular_core__WEBPACK_IMPORTED_MODULE_3__.ElementRef },
    { type: _angular_core__WEBPACK_IMPORTED_MODULE_3__.NgZone }
];
let IonAvatar = class IonAvatar {
    constructor(c, r, z) {
        this.z = z;
        c.detach();
        this.el = r.nativeElement;
    }
};
IonAvatar.ɵfac = function IonAvatar_Factory(t) { return new (t || IonAvatar)(_angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵdirectiveInject"](_angular_core__WEBPACK_IMPORTED_MODULE_3__.ChangeDetectorRef), _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵdirectiveInject"](_angular_core__WEBPACK_IMPORTED_MODULE_3__.ElementRef), _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵdirectiveInject"](_angular_core__WEBPACK_IMPORTED_MODULE_3__.NgZone)); };
IonAvatar.ɵcmp = /*@__PURE__*/ _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵdefineComponent"]({ type: IonAvatar, selectors: [["ion-avatar"]], ngContentSelectors: _c0, decls: 1, vars: 0, template: function IonAvatar_Template(rf, ctx) { if (rf & 1) {
        _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵprojectionDef"]();
        _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵprojection"](0);
    } }, encapsulation: 2, changeDetection: 0 });
IonAvatar.ctorParameters = () => [
    { type: _angular_core__WEBPACK_IMPORTED_MODULE_3__.ChangeDetectorRef },
    { type: _angular_core__WEBPACK_IMPORTED_MODULE_3__.ElementRef },
    { type: _angular_core__WEBPACK_IMPORTED_MODULE_3__.NgZone }
];
let IonBackButton = class IonBackButton {
    constructor(c, r, z) {
        this.z = z;
        c.detach();
        this.el = r.nativeElement;
    }
};
IonBackButton.ɵfac = function IonBackButton_Factory(t) { return new (t || IonBackButton)(_angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵdirectiveInject"](_angular_core__WEBPACK_IMPORTED_MODULE_3__.ChangeDetectorRef), _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵdirectiveInject"](_angular_core__WEBPACK_IMPORTED_MODULE_3__.ElementRef), _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵdirectiveInject"](_angular_core__WEBPACK_IMPORTED_MODULE_3__.NgZone)); };
IonBackButton.ɵcmp = /*@__PURE__*/ _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵdefineComponent"]({ type: IonBackButton, selectors: [["ion-back-button"]], inputs: { color: "color", defaultHref: "defaultHref", disabled: "disabled", icon: "icon", mode: "mode", routerAnimation: "routerAnimation", text: "text", type: "type" }, ngContentSelectors: _c0, decls: 1, vars: 0, template: function IonBackButton_Template(rf, ctx) { if (rf & 1) {
        _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵprojectionDef"]();
        _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵprojection"](0);
    } }, encapsulation: 2, changeDetection: 0 });
IonBackButton.ctorParameters = () => [
    { type: _angular_core__WEBPACK_IMPORTED_MODULE_3__.ChangeDetectorRef },
    { type: _angular_core__WEBPACK_IMPORTED_MODULE_3__.ElementRef },
    { type: _angular_core__WEBPACK_IMPORTED_MODULE_3__.NgZone }
];
IonBackButton = (0,tslib__WEBPACK_IMPORTED_MODULE_4__.__decorate)([
    ProxyCmp({ inputs: ["color", "defaultHref", "disabled", "icon", "mode", "routerAnimation", "text", "type"] }),
], IonBackButton);
let IonBackdrop = class IonBackdrop {
    constructor(c, r, z) {
        this.z = z;
        c.detach();
        this.el = r.nativeElement;
        proxyOutputs(this, this.el, ["ionBackdropTap"]);
    }
};
IonBackdrop.ɵfac = function IonBackdrop_Factory(t) { return new (t || IonBackdrop)(_angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵdirectiveInject"](_angular_core__WEBPACK_IMPORTED_MODULE_3__.ChangeDetectorRef), _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵdirectiveInject"](_angular_core__WEBPACK_IMPORTED_MODULE_3__.ElementRef), _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵdirectiveInject"](_angular_core__WEBPACK_IMPORTED_MODULE_3__.NgZone)); };
IonBackdrop.ɵcmp = /*@__PURE__*/ _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵdefineComponent"]({ type: IonBackdrop, selectors: [["ion-backdrop"]], inputs: { stopPropagation: "stopPropagation", tappable: "tappable", visible: "visible" }, ngContentSelectors: _c0, decls: 1, vars: 0, template: function IonBackdrop_Template(rf, ctx) { if (rf & 1) {
        _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵprojectionDef"]();
        _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵprojection"](0);
    } }, encapsulation: 2, changeDetection: 0 });
IonBackdrop.ctorParameters = () => [
    { type: _angular_core__WEBPACK_IMPORTED_MODULE_3__.ChangeDetectorRef },
    { type: _angular_core__WEBPACK_IMPORTED_MODULE_3__.ElementRef },
    { type: _angular_core__WEBPACK_IMPORTED_MODULE_3__.NgZone }
];
IonBackdrop = (0,tslib__WEBPACK_IMPORTED_MODULE_4__.__decorate)([
    ProxyCmp({ inputs: ["stopPropagation", "tappable", "visible"] }),
], IonBackdrop);
let IonBadge = class IonBadge {
    constructor(c, r, z) {
        this.z = z;
        c.detach();
        this.el = r.nativeElement;
    }
};
IonBadge.ɵfac = function IonBadge_Factory(t) { return new (t || IonBadge)(_angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵdirectiveInject"](_angular_core__WEBPACK_IMPORTED_MODULE_3__.ChangeDetectorRef), _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵdirectiveInject"](_angular_core__WEBPACK_IMPORTED_MODULE_3__.ElementRef), _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵdirectiveInject"](_angular_core__WEBPACK_IMPORTED_MODULE_3__.NgZone)); };
IonBadge.ɵcmp = /*@__PURE__*/ _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵdefineComponent"]({ type: IonBadge, selectors: [["ion-badge"]], inputs: { color: "color", mode: "mode" }, ngContentSelectors: _c0, decls: 1, vars: 0, template: function IonBadge_Template(rf, ctx) { if (rf & 1) {
        _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵprojectionDef"]();
        _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵprojection"](0);
    } }, encapsulation: 2, changeDetection: 0 });
IonBadge.ctorParameters = () => [
    { type: _angular_core__WEBPACK_IMPORTED_MODULE_3__.ChangeDetectorRef },
    { type: _angular_core__WEBPACK_IMPORTED_MODULE_3__.ElementRef },
    { type: _angular_core__WEBPACK_IMPORTED_MODULE_3__.NgZone }
];
IonBadge = (0,tslib__WEBPACK_IMPORTED_MODULE_4__.__decorate)([
    ProxyCmp({ inputs: ["color", "mode"] }),
], IonBadge);
let IonButton = class IonButton {
    constructor(c, r, z) {
        this.z = z;
        c.detach();
        this.el = r.nativeElement;
        proxyOutputs(this, this.el, ["ionFocus", "ionBlur"]);
    }
};
IonButton.ɵfac = function IonButton_Factory(t) { return new (t || IonButton)(_angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵdirectiveInject"](_angular_core__WEBPACK_IMPORTED_MODULE_3__.ChangeDetectorRef), _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵdirectiveInject"](_angular_core__WEBPACK_IMPORTED_MODULE_3__.ElementRef), _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵdirectiveInject"](_angular_core__WEBPACK_IMPORTED_MODULE_3__.NgZone)); };
IonButton.ɵcmp = /*@__PURE__*/ _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵdefineComponent"]({ type: IonButton, selectors: [["ion-button"]], inputs: { buttonType: "buttonType", color: "color", disabled: "disabled", download: "download", expand: "expand", fill: "fill", href: "href", mode: "mode", rel: "rel", routerAnimation: "routerAnimation", routerDirection: "routerDirection", shape: "shape", size: "size", strong: "strong", target: "target", type: "type" }, ngContentSelectors: _c0, decls: 1, vars: 0, template: function IonButton_Template(rf, ctx) { if (rf & 1) {
        _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵprojectionDef"]();
        _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵprojection"](0);
    } }, encapsulation: 2, changeDetection: 0 });
IonButton.ctorParameters = () => [
    { type: _angular_core__WEBPACK_IMPORTED_MODULE_3__.ChangeDetectorRef },
    { type: _angular_core__WEBPACK_IMPORTED_MODULE_3__.ElementRef },
    { type: _angular_core__WEBPACK_IMPORTED_MODULE_3__.NgZone }
];
IonButton = (0,tslib__WEBPACK_IMPORTED_MODULE_4__.__decorate)([
    ProxyCmp({ inputs: ["buttonType", "color", "disabled", "download", "expand", "fill", "href", "mode", "rel", "routerAnimation", "routerDirection", "shape", "size", "strong", "target", "type"] }),
], IonButton);
let IonButtons = class IonButtons {
    constructor(c, r, z) {
        this.z = z;
        c.detach();
        this.el = r.nativeElement;
    }
};
IonButtons.ɵfac = function IonButtons_Factory(t) { return new (t || IonButtons)(_angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵdirectiveInject"](_angular_core__WEBPACK_IMPORTED_MODULE_3__.ChangeDetectorRef), _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵdirectiveInject"](_angular_core__WEBPACK_IMPORTED_MODULE_3__.ElementRef), _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵdirectiveInject"](_angular_core__WEBPACK_IMPORTED_MODULE_3__.NgZone)); };
IonButtons.ɵcmp = /*@__PURE__*/ _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵdefineComponent"]({ type: IonButtons, selectors: [["ion-buttons"]], inputs: { collapse: "collapse" }, ngContentSelectors: _c0, decls: 1, vars: 0, template: function IonButtons_Template(rf, ctx) { if (rf & 1) {
        _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵprojectionDef"]();
        _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵprojection"](0);
    } }, encapsulation: 2, changeDetection: 0 });
IonButtons.ctorParameters = () => [
    { type: _angular_core__WEBPACK_IMPORTED_MODULE_3__.ChangeDetectorRef },
    { type: _angular_core__WEBPACK_IMPORTED_MODULE_3__.ElementRef },
    { type: _angular_core__WEBPACK_IMPORTED_MODULE_3__.NgZone }
];
IonButtons = (0,tslib__WEBPACK_IMPORTED_MODULE_4__.__decorate)([
    ProxyCmp({ inputs: ["collapse"] }),
], IonButtons);
let IonCard = class IonCard {
    constructor(c, r, z) {
        this.z = z;
        c.detach();
        this.el = r.nativeElement;
    }
};
IonCard.ɵfac = function IonCard_Factory(t) { return new (t || IonCard)(_angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵdirectiveInject"](_angular_core__WEBPACK_IMPORTED_MODULE_3__.ChangeDetectorRef), _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵdirectiveInject"](_angular_core__WEBPACK_IMPORTED_MODULE_3__.ElementRef), _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵdirectiveInject"](_angular_core__WEBPACK_IMPORTED_MODULE_3__.NgZone)); };
IonCard.ɵcmp = /*@__PURE__*/ _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵdefineComponent"]({ type: IonCard, selectors: [["ion-card"]], inputs: { button: "button", color: "color", disabled: "disabled", download: "download", href: "href", mode: "mode", rel: "rel", routerAnimation: "routerAnimation", routerDirection: "routerDirection", target: "target", type: "type" }, ngContentSelectors: _c0, decls: 1, vars: 0, template: function IonCard_Template(rf, ctx) { if (rf & 1) {
        _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵprojectionDef"]();
        _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵprojection"](0);
    } }, encapsulation: 2, changeDetection: 0 });
IonCard.ctorParameters = () => [
    { type: _angular_core__WEBPACK_IMPORTED_MODULE_3__.ChangeDetectorRef },
    { type: _angular_core__WEBPACK_IMPORTED_MODULE_3__.ElementRef },
    { type: _angular_core__WEBPACK_IMPORTED_MODULE_3__.NgZone }
];
IonCard = (0,tslib__WEBPACK_IMPORTED_MODULE_4__.__decorate)([
    ProxyCmp({ inputs: ["button", "color", "disabled", "download", "href", "mode", "rel", "routerAnimation", "routerDirection", "target", "type"] }),
], IonCard);
let IonCardContent = class IonCardContent {
    constructor(c, r, z) {
        this.z = z;
        c.detach();
        this.el = r.nativeElement;
    }
};
IonCardContent.ɵfac = function IonCardContent_Factory(t) { return new (t || IonCardContent)(_angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵdirectiveInject"](_angular_core__WEBPACK_IMPORTED_MODULE_3__.ChangeDetectorRef), _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵdirectiveInject"](_angular_core__WEBPACK_IMPORTED_MODULE_3__.ElementRef), _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵdirectiveInject"](_angular_core__WEBPACK_IMPORTED_MODULE_3__.NgZone)); };
IonCardContent.ɵcmp = /*@__PURE__*/ _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵdefineComponent"]({ type: IonCardContent, selectors: [["ion-card-content"]], inputs: { mode: "mode" }, ngContentSelectors: _c0, decls: 1, vars: 0, template: function IonCardContent_Template(rf, ctx) { if (rf & 1) {
        _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵprojectionDef"]();
        _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵprojection"](0);
    } }, encapsulation: 2, changeDetection: 0 });
IonCardContent.ctorParameters = () => [
    { type: _angular_core__WEBPACK_IMPORTED_MODULE_3__.ChangeDetectorRef },
    { type: _angular_core__WEBPACK_IMPORTED_MODULE_3__.ElementRef },
    { type: _angular_core__WEBPACK_IMPORTED_MODULE_3__.NgZone }
];
IonCardContent = (0,tslib__WEBPACK_IMPORTED_MODULE_4__.__decorate)([
    ProxyCmp({ inputs: ["mode"] }),
], IonCardContent);
let IonCardHeader = class IonCardHeader {
    constructor(c, r, z) {
        this.z = z;
        c.detach();
        this.el = r.nativeElement;
    }
};
IonCardHeader.ɵfac = function IonCardHeader_Factory(t) { return new (t || IonCardHeader)(_angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵdirectiveInject"](_angular_core__WEBPACK_IMPORTED_MODULE_3__.ChangeDetectorRef), _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵdirectiveInject"](_angular_core__WEBPACK_IMPORTED_MODULE_3__.ElementRef), _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵdirectiveInject"](_angular_core__WEBPACK_IMPORTED_MODULE_3__.NgZone)); };
IonCardHeader.ɵcmp = /*@__PURE__*/ _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵdefineComponent"]({ type: IonCardHeader, selectors: [["ion-card-header"]], inputs: { color: "color", mode: "mode", translucent: "translucent" }, ngContentSelectors: _c0, decls: 1, vars: 0, template: function IonCardHeader_Template(rf, ctx) { if (rf & 1) {
        _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵprojectionDef"]();
        _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵprojection"](0);
    } }, encapsulation: 2, changeDetection: 0 });
IonCardHeader.ctorParameters = () => [
    { type: _angular_core__WEBPACK_IMPORTED_MODULE_3__.ChangeDetectorRef },
    { type: _angular_core__WEBPACK_IMPORTED_MODULE_3__.ElementRef },
    { type: _angular_core__WEBPACK_IMPORTED_MODULE_3__.NgZone }
];
IonCardHeader = (0,tslib__WEBPACK_IMPORTED_MODULE_4__.__decorate)([
    ProxyCmp({ inputs: ["color", "mode", "translucent"] }),
], IonCardHeader);
let IonCardSubtitle = class IonCardSubtitle {
    constructor(c, r, z) {
        this.z = z;
        c.detach();
        this.el = r.nativeElement;
    }
};
IonCardSubtitle.ɵfac = function IonCardSubtitle_Factory(t) { return new (t || IonCardSubtitle)(_angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵdirectiveInject"](_angular_core__WEBPACK_IMPORTED_MODULE_3__.ChangeDetectorRef), _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵdirectiveInject"](_angular_core__WEBPACK_IMPORTED_MODULE_3__.ElementRef), _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵdirectiveInject"](_angular_core__WEBPACK_IMPORTED_MODULE_3__.NgZone)); };
IonCardSubtitle.ɵcmp = /*@__PURE__*/ _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵdefineComponent"]({ type: IonCardSubtitle, selectors: [["ion-card-subtitle"]], inputs: { color: "color", mode: "mode" }, ngContentSelectors: _c0, decls: 1, vars: 0, template: function IonCardSubtitle_Template(rf, ctx) { if (rf & 1) {
        _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵprojectionDef"]();
        _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵprojection"](0);
    } }, encapsulation: 2, changeDetection: 0 });
IonCardSubtitle.ctorParameters = () => [
    { type: _angular_core__WEBPACK_IMPORTED_MODULE_3__.ChangeDetectorRef },
    { type: _angular_core__WEBPACK_IMPORTED_MODULE_3__.ElementRef },
    { type: _angular_core__WEBPACK_IMPORTED_MODULE_3__.NgZone }
];
IonCardSubtitle = (0,tslib__WEBPACK_IMPORTED_MODULE_4__.__decorate)([
    ProxyCmp({ inputs: ["color", "mode"] }),
], IonCardSubtitle);
let IonCardTitle = class IonCardTitle {
    constructor(c, r, z) {
        this.z = z;
        c.detach();
        this.el = r.nativeElement;
    }
};
IonCardTitle.ɵfac = function IonCardTitle_Factory(t) { return new (t || IonCardTitle)(_angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵdirectiveInject"](_angular_core__WEBPACK_IMPORTED_MODULE_3__.ChangeDetectorRef), _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵdirectiveInject"](_angular_core__WEBPACK_IMPORTED_MODULE_3__.ElementRef), _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵdirectiveInject"](_angular_core__WEBPACK_IMPORTED_MODULE_3__.NgZone)); };
IonCardTitle.ɵcmp = /*@__PURE__*/ _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵdefineComponent"]({ type: IonCardTitle, selectors: [["ion-card-title"]], inputs: { color: "color", mode: "mode" }, ngContentSelectors: _c0, decls: 1, vars: 0, template: function IonCardTitle_Template(rf, ctx) { if (rf & 1) {
        _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵprojectionDef"]();
        _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵprojection"](0);
    } }, encapsulation: 2, changeDetection: 0 });
IonCardTitle.ctorParameters = () => [
    { type: _angular_core__WEBPACK_IMPORTED_MODULE_3__.ChangeDetectorRef },
    { type: _angular_core__WEBPACK_IMPORTED_MODULE_3__.ElementRef },
    { type: _angular_core__WEBPACK_IMPORTED_MODULE_3__.NgZone }
];
IonCardTitle = (0,tslib__WEBPACK_IMPORTED_MODULE_4__.__decorate)([
    ProxyCmp({ inputs: ["color", "mode"] }),
], IonCardTitle);
let IonCheckbox = class IonCheckbox {
    constructor(c, r, z) {
        this.z = z;
        c.detach();
        this.el = r.nativeElement;
        proxyOutputs(this, this.el, ["ionChange", "ionFocus", "ionBlur"]);
    }
};
IonCheckbox.ɵfac = function IonCheckbox_Factory(t) { return new (t || IonCheckbox)(_angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵdirectiveInject"](_angular_core__WEBPACK_IMPORTED_MODULE_3__.ChangeDetectorRef), _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵdirectiveInject"](_angular_core__WEBPACK_IMPORTED_MODULE_3__.ElementRef), _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵdirectiveInject"](_angular_core__WEBPACK_IMPORTED_MODULE_3__.NgZone)); };
IonCheckbox.ɵcmp = /*@__PURE__*/ _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵdefineComponent"]({ type: IonCheckbox, selectors: [["ion-checkbox"]], inputs: { checked: "checked", color: "color", disabled: "disabled", indeterminate: "indeterminate", mode: "mode", name: "name", value: "value" }, ngContentSelectors: _c0, decls: 1, vars: 0, template: function IonCheckbox_Template(rf, ctx) { if (rf & 1) {
        _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵprojectionDef"]();
        _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵprojection"](0);
    } }, encapsulation: 2, changeDetection: 0 });
IonCheckbox.ctorParameters = () => [
    { type: _angular_core__WEBPACK_IMPORTED_MODULE_3__.ChangeDetectorRef },
    { type: _angular_core__WEBPACK_IMPORTED_MODULE_3__.ElementRef },
    { type: _angular_core__WEBPACK_IMPORTED_MODULE_3__.NgZone }
];
IonCheckbox = (0,tslib__WEBPACK_IMPORTED_MODULE_4__.__decorate)([
    ProxyCmp({ inputs: ["checked", "color", "disabled", "indeterminate", "mode", "name", "value"] }),
], IonCheckbox);
let IonChip = class IonChip {
    constructor(c, r, z) {
        this.z = z;
        c.detach();
        this.el = r.nativeElement;
    }
};
IonChip.ɵfac = function IonChip_Factory(t) { return new (t || IonChip)(_angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵdirectiveInject"](_angular_core__WEBPACK_IMPORTED_MODULE_3__.ChangeDetectorRef), _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵdirectiveInject"](_angular_core__WEBPACK_IMPORTED_MODULE_3__.ElementRef), _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵdirectiveInject"](_angular_core__WEBPACK_IMPORTED_MODULE_3__.NgZone)); };
IonChip.ɵcmp = /*@__PURE__*/ _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵdefineComponent"]({ type: IonChip, selectors: [["ion-chip"]], inputs: { color: "color", disabled: "disabled", mode: "mode", outline: "outline" }, ngContentSelectors: _c0, decls: 1, vars: 0, template: function IonChip_Template(rf, ctx) { if (rf & 1) {
        _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵprojectionDef"]();
        _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵprojection"](0);
    } }, encapsulation: 2, changeDetection: 0 });
IonChip.ctorParameters = () => [
    { type: _angular_core__WEBPACK_IMPORTED_MODULE_3__.ChangeDetectorRef },
    { type: _angular_core__WEBPACK_IMPORTED_MODULE_3__.ElementRef },
    { type: _angular_core__WEBPACK_IMPORTED_MODULE_3__.NgZone }
];
IonChip = (0,tslib__WEBPACK_IMPORTED_MODULE_4__.__decorate)([
    ProxyCmp({ inputs: ["color", "disabled", "mode", "outline"] }),
], IonChip);
let IonCol = class IonCol {
    constructor(c, r, z) {
        this.z = z;
        c.detach();
        this.el = r.nativeElement;
    }
};
IonCol.ɵfac = function IonCol_Factory(t) { return new (t || IonCol)(_angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵdirectiveInject"](_angular_core__WEBPACK_IMPORTED_MODULE_3__.ChangeDetectorRef), _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵdirectiveInject"](_angular_core__WEBPACK_IMPORTED_MODULE_3__.ElementRef), _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵdirectiveInject"](_angular_core__WEBPACK_IMPORTED_MODULE_3__.NgZone)); };
IonCol.ɵcmp = /*@__PURE__*/ _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵdefineComponent"]({ type: IonCol, selectors: [["ion-col"]], inputs: { offset: "offset", offsetLg: "offsetLg", offsetMd: "offsetMd", offsetSm: "offsetSm", offsetXl: "offsetXl", offsetXs: "offsetXs", pull: "pull", pullLg: "pullLg", pullMd: "pullMd", pullSm: "pullSm", pullXl: "pullXl", pullXs: "pullXs", push: "push", pushLg: "pushLg", pushMd: "pushMd", pushSm: "pushSm", pushXl: "pushXl", pushXs: "pushXs", size: "size", sizeLg: "sizeLg", sizeMd: "sizeMd", sizeSm: "sizeSm", sizeXl: "sizeXl", sizeXs: "sizeXs" }, ngContentSelectors: _c0, decls: 1, vars: 0, template: function IonCol_Template(rf, ctx) { if (rf & 1) {
        _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵprojectionDef"]();
        _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵprojection"](0);
    } }, encapsulation: 2, changeDetection: 0 });
IonCol.ctorParameters = () => [
    { type: _angular_core__WEBPACK_IMPORTED_MODULE_3__.ChangeDetectorRef },
    { type: _angular_core__WEBPACK_IMPORTED_MODULE_3__.ElementRef },
    { type: _angular_core__WEBPACK_IMPORTED_MODULE_3__.NgZone }
];
IonCol = (0,tslib__WEBPACK_IMPORTED_MODULE_4__.__decorate)([
    ProxyCmp({ inputs: ["offset", "offsetLg", "offsetMd", "offsetSm", "offsetXl", "offsetXs", "pull", "pullLg", "pullMd", "pullSm", "pullXl", "pullXs", "push", "pushLg", "pushMd", "pushSm", "pushXl", "pushXs", "size", "sizeLg", "sizeMd", "sizeSm", "sizeXl", "sizeXs"] }),
], IonCol);
let IonContent = class IonContent {
    constructor(c, r, z) {
        this.z = z;
        c.detach();
        this.el = r.nativeElement;
        proxyOutputs(this, this.el, ["ionScrollStart", "ionScroll", "ionScrollEnd"]);
    }
};
IonContent.ɵfac = function IonContent_Factory(t) { return new (t || IonContent)(_angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵdirectiveInject"](_angular_core__WEBPACK_IMPORTED_MODULE_3__.ChangeDetectorRef), _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵdirectiveInject"](_angular_core__WEBPACK_IMPORTED_MODULE_3__.ElementRef), _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵdirectiveInject"](_angular_core__WEBPACK_IMPORTED_MODULE_3__.NgZone)); };
IonContent.ɵcmp = /*@__PURE__*/ _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵdefineComponent"]({ type: IonContent, selectors: [["ion-content"]], inputs: { color: "color", forceOverscroll: "forceOverscroll", fullscreen: "fullscreen", scrollEvents: "scrollEvents", scrollX: "scrollX", scrollY: "scrollY" }, ngContentSelectors: _c0, decls: 1, vars: 0, template: function IonContent_Template(rf, ctx) { if (rf & 1) {
        _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵprojectionDef"]();
        _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵprojection"](0);
    } }, encapsulation: 2, changeDetection: 0 });
IonContent.ctorParameters = () => [
    { type: _angular_core__WEBPACK_IMPORTED_MODULE_3__.ChangeDetectorRef },
    { type: _angular_core__WEBPACK_IMPORTED_MODULE_3__.ElementRef },
    { type: _angular_core__WEBPACK_IMPORTED_MODULE_3__.NgZone }
];
IonContent = (0,tslib__WEBPACK_IMPORTED_MODULE_4__.__decorate)([
    ProxyCmp({ inputs: ["color", "forceOverscroll", "fullscreen", "scrollEvents", "scrollX", "scrollY"], "methods": ["getScrollElement", "scrollToTop", "scrollToBottom", "scrollByPoint", "scrollToPoint"] }),
], IonContent);
let IonDatetime = class IonDatetime {
    constructor(c, r, z) {
        this.z = z;
        c.detach();
        this.el = r.nativeElement;
        proxyOutputs(this, this.el, ["ionCancel", "ionChange", "ionFocus", "ionBlur"]);
    }
};
IonDatetime.ɵfac = function IonDatetime_Factory(t) { return new (t || IonDatetime)(_angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵdirectiveInject"](_angular_core__WEBPACK_IMPORTED_MODULE_3__.ChangeDetectorRef), _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵdirectiveInject"](_angular_core__WEBPACK_IMPORTED_MODULE_3__.ElementRef), _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵdirectiveInject"](_angular_core__WEBPACK_IMPORTED_MODULE_3__.NgZone)); };
IonDatetime.ɵcmp = /*@__PURE__*/ _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵdefineComponent"]({ type: IonDatetime, selectors: [["ion-datetime"]], inputs: { cancelText: "cancelText", dayNames: "dayNames", dayShortNames: "dayShortNames", dayValues: "dayValues", disabled: "disabled", displayFormat: "displayFormat", displayTimezone: "displayTimezone", doneText: "doneText", hourValues: "hourValues", max: "max", min: "min", minuteValues: "minuteValues", mode: "mode", monthNames: "monthNames", monthShortNames: "monthShortNames", monthValues: "monthValues", name: "name", pickerFormat: "pickerFormat", pickerOptions: "pickerOptions", placeholder: "placeholder", readonly: "readonly", value: "value", yearValues: "yearValues" }, ngContentSelectors: _c0, decls: 1, vars: 0, template: function IonDatetime_Template(rf, ctx) { if (rf & 1) {
        _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵprojectionDef"]();
        _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵprojection"](0);
    } }, encapsulation: 2, changeDetection: 0 });
IonDatetime.ctorParameters = () => [
    { type: _angular_core__WEBPACK_IMPORTED_MODULE_3__.ChangeDetectorRef },
    { type: _angular_core__WEBPACK_IMPORTED_MODULE_3__.ElementRef },
    { type: _angular_core__WEBPACK_IMPORTED_MODULE_3__.NgZone }
];
IonDatetime = (0,tslib__WEBPACK_IMPORTED_MODULE_4__.__decorate)([
    ProxyCmp({ inputs: ["cancelText", "dayNames", "dayShortNames", "dayValues", "disabled", "displayFormat", "displayTimezone", "doneText", "hourValues", "max", "min", "minuteValues", "mode", "monthNames", "monthShortNames", "monthValues", "name", "pickerFormat", "pickerOptions", "placeholder", "readonly", "value", "yearValues"], "methods": ["open"] }),
], IonDatetime);
let IonFab = class IonFab {
    constructor(c, r, z) {
        this.z = z;
        c.detach();
        this.el = r.nativeElement;
    }
};
IonFab.ɵfac = function IonFab_Factory(t) { return new (t || IonFab)(_angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵdirectiveInject"](_angular_core__WEBPACK_IMPORTED_MODULE_3__.ChangeDetectorRef), _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵdirectiveInject"](_angular_core__WEBPACK_IMPORTED_MODULE_3__.ElementRef), _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵdirectiveInject"](_angular_core__WEBPACK_IMPORTED_MODULE_3__.NgZone)); };
IonFab.ɵcmp = /*@__PURE__*/ _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵdefineComponent"]({ type: IonFab, selectors: [["ion-fab"]], inputs: { activated: "activated", edge: "edge", horizontal: "horizontal", vertical: "vertical" }, ngContentSelectors: _c0, decls: 1, vars: 0, template: function IonFab_Template(rf, ctx) { if (rf & 1) {
        _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵprojectionDef"]();
        _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵprojection"](0);
    } }, encapsulation: 2, changeDetection: 0 });
IonFab.ctorParameters = () => [
    { type: _angular_core__WEBPACK_IMPORTED_MODULE_3__.ChangeDetectorRef },
    { type: _angular_core__WEBPACK_IMPORTED_MODULE_3__.ElementRef },
    { type: _angular_core__WEBPACK_IMPORTED_MODULE_3__.NgZone }
];
IonFab = (0,tslib__WEBPACK_IMPORTED_MODULE_4__.__decorate)([
    ProxyCmp({ inputs: ["activated", "edge", "horizontal", "vertical"], "methods": ["close"] }),
], IonFab);
let IonFabButton = class IonFabButton {
    constructor(c, r, z) {
        this.z = z;
        c.detach();
        this.el = r.nativeElement;
        proxyOutputs(this, this.el, ["ionFocus", "ionBlur"]);
    }
};
IonFabButton.ɵfac = function IonFabButton_Factory(t) { return new (t || IonFabButton)(_angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵdirectiveInject"](_angular_core__WEBPACK_IMPORTED_MODULE_3__.ChangeDetectorRef), _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵdirectiveInject"](_angular_core__WEBPACK_IMPORTED_MODULE_3__.ElementRef), _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵdirectiveInject"](_angular_core__WEBPACK_IMPORTED_MODULE_3__.NgZone)); };
IonFabButton.ɵcmp = /*@__PURE__*/ _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵdefineComponent"]({ type: IonFabButton, selectors: [["ion-fab-button"]], inputs: { activated: "activated", closeIcon: "closeIcon", color: "color", disabled: "disabled", download: "download", href: "href", mode: "mode", rel: "rel", routerAnimation: "routerAnimation", routerDirection: "routerDirection", show: "show", size: "size", target: "target", translucent: "translucent", type: "type" }, ngContentSelectors: _c0, decls: 1, vars: 0, template: function IonFabButton_Template(rf, ctx) { if (rf & 1) {
        _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵprojectionDef"]();
        _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵprojection"](0);
    } }, encapsulation: 2, changeDetection: 0 });
IonFabButton.ctorParameters = () => [
    { type: _angular_core__WEBPACK_IMPORTED_MODULE_3__.ChangeDetectorRef },
    { type: _angular_core__WEBPACK_IMPORTED_MODULE_3__.ElementRef },
    { type: _angular_core__WEBPACK_IMPORTED_MODULE_3__.NgZone }
];
IonFabButton = (0,tslib__WEBPACK_IMPORTED_MODULE_4__.__decorate)([
    ProxyCmp({ inputs: ["activated", "closeIcon", "color", "disabled", "download", "href", "mode", "rel", "routerAnimation", "routerDirection", "show", "size", "target", "translucent", "type"] }),
], IonFabButton);
let IonFabList = class IonFabList {
    constructor(c, r, z) {
        this.z = z;
        c.detach();
        this.el = r.nativeElement;
    }
};
IonFabList.ɵfac = function IonFabList_Factory(t) { return new (t || IonFabList)(_angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵdirectiveInject"](_angular_core__WEBPACK_IMPORTED_MODULE_3__.ChangeDetectorRef), _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵdirectiveInject"](_angular_core__WEBPACK_IMPORTED_MODULE_3__.ElementRef), _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵdirectiveInject"](_angular_core__WEBPACK_IMPORTED_MODULE_3__.NgZone)); };
IonFabList.ɵcmp = /*@__PURE__*/ _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵdefineComponent"]({ type: IonFabList, selectors: [["ion-fab-list"]], inputs: { activated: "activated", side: "side" }, ngContentSelectors: _c0, decls: 1, vars: 0, template: function IonFabList_Template(rf, ctx) { if (rf & 1) {
        _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵprojectionDef"]();
        _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵprojection"](0);
    } }, encapsulation: 2, changeDetection: 0 });
IonFabList.ctorParameters = () => [
    { type: _angular_core__WEBPACK_IMPORTED_MODULE_3__.ChangeDetectorRef },
    { type: _angular_core__WEBPACK_IMPORTED_MODULE_3__.ElementRef },
    { type: _angular_core__WEBPACK_IMPORTED_MODULE_3__.NgZone }
];
IonFabList = (0,tslib__WEBPACK_IMPORTED_MODULE_4__.__decorate)([
    ProxyCmp({ inputs: ["activated", "side"] }),
], IonFabList);
let IonFooter = class IonFooter {
    constructor(c, r, z) {
        this.z = z;
        c.detach();
        this.el = r.nativeElement;
    }
};
IonFooter.ɵfac = function IonFooter_Factory(t) { return new (t || IonFooter)(_angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵdirectiveInject"](_angular_core__WEBPACK_IMPORTED_MODULE_3__.ChangeDetectorRef), _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵdirectiveInject"](_angular_core__WEBPACK_IMPORTED_MODULE_3__.ElementRef), _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵdirectiveInject"](_angular_core__WEBPACK_IMPORTED_MODULE_3__.NgZone)); };
IonFooter.ɵcmp = /*@__PURE__*/ _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵdefineComponent"]({ type: IonFooter, selectors: [["ion-footer"]], inputs: { mode: "mode", translucent: "translucent" }, ngContentSelectors: _c0, decls: 1, vars: 0, template: function IonFooter_Template(rf, ctx) { if (rf & 1) {
        _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵprojectionDef"]();
        _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵprojection"](0);
    } }, encapsulation: 2, changeDetection: 0 });
IonFooter.ctorParameters = () => [
    { type: _angular_core__WEBPACK_IMPORTED_MODULE_3__.ChangeDetectorRef },
    { type: _angular_core__WEBPACK_IMPORTED_MODULE_3__.ElementRef },
    { type: _angular_core__WEBPACK_IMPORTED_MODULE_3__.NgZone }
];
IonFooter = (0,tslib__WEBPACK_IMPORTED_MODULE_4__.__decorate)([
    ProxyCmp({ inputs: ["mode", "translucent"] }),
], IonFooter);
let IonGrid = class IonGrid {
    constructor(c, r, z) {
        this.z = z;
        c.detach();
        this.el = r.nativeElement;
    }
};
IonGrid.ɵfac = function IonGrid_Factory(t) { return new (t || IonGrid)(_angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵdirectiveInject"](_angular_core__WEBPACK_IMPORTED_MODULE_3__.ChangeDetectorRef), _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵdirectiveInject"](_angular_core__WEBPACK_IMPORTED_MODULE_3__.ElementRef), _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵdirectiveInject"](_angular_core__WEBPACK_IMPORTED_MODULE_3__.NgZone)); };
IonGrid.ɵcmp = /*@__PURE__*/ _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵdefineComponent"]({ type: IonGrid, selectors: [["ion-grid"]], inputs: { fixed: "fixed" }, ngContentSelectors: _c0, decls: 1, vars: 0, template: function IonGrid_Template(rf, ctx) { if (rf & 1) {
        _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵprojectionDef"]();
        _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵprojection"](0);
    } }, encapsulation: 2, changeDetection: 0 });
IonGrid.ctorParameters = () => [
    { type: _angular_core__WEBPACK_IMPORTED_MODULE_3__.ChangeDetectorRef },
    { type: _angular_core__WEBPACK_IMPORTED_MODULE_3__.ElementRef },
    { type: _angular_core__WEBPACK_IMPORTED_MODULE_3__.NgZone }
];
IonGrid = (0,tslib__WEBPACK_IMPORTED_MODULE_4__.__decorate)([
    ProxyCmp({ inputs: ["fixed"] }),
], IonGrid);
let IonHeader = class IonHeader {
    constructor(c, r, z) {
        this.z = z;
        c.detach();
        this.el = r.nativeElement;
    }
};
IonHeader.ɵfac = function IonHeader_Factory(t) { return new (t || IonHeader)(_angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵdirectiveInject"](_angular_core__WEBPACK_IMPORTED_MODULE_3__.ChangeDetectorRef), _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵdirectiveInject"](_angular_core__WEBPACK_IMPORTED_MODULE_3__.ElementRef), _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵdirectiveInject"](_angular_core__WEBPACK_IMPORTED_MODULE_3__.NgZone)); };
IonHeader.ɵcmp = /*@__PURE__*/ _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵdefineComponent"]({ type: IonHeader, selectors: [["ion-header"]], inputs: { collapse: "collapse", mode: "mode", translucent: "translucent" }, ngContentSelectors: _c0, decls: 1, vars: 0, template: function IonHeader_Template(rf, ctx) { if (rf & 1) {
        _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵprojectionDef"]();
        _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵprojection"](0);
    } }, encapsulation: 2, changeDetection: 0 });
IonHeader.ctorParameters = () => [
    { type: _angular_core__WEBPACK_IMPORTED_MODULE_3__.ChangeDetectorRef },
    { type: _angular_core__WEBPACK_IMPORTED_MODULE_3__.ElementRef },
    { type: _angular_core__WEBPACK_IMPORTED_MODULE_3__.NgZone }
];
IonHeader = (0,tslib__WEBPACK_IMPORTED_MODULE_4__.__decorate)([
    ProxyCmp({ inputs: ["collapse", "mode", "translucent"] }),
], IonHeader);
let IonIcon = class IonIcon {
    constructor(c, r, z) {
        this.z = z;
        c.detach();
        this.el = r.nativeElement;
    }
};
IonIcon.ɵfac = function IonIcon_Factory(t) { return new (t || IonIcon)(_angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵdirectiveInject"](_angular_core__WEBPACK_IMPORTED_MODULE_3__.ChangeDetectorRef), _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵdirectiveInject"](_angular_core__WEBPACK_IMPORTED_MODULE_3__.ElementRef), _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵdirectiveInject"](_angular_core__WEBPACK_IMPORTED_MODULE_3__.NgZone)); };
IonIcon.ɵcmp = /*@__PURE__*/ _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵdefineComponent"]({ type: IonIcon, selectors: [["ion-icon"]], inputs: { ariaHidden: "ariaHidden", ariaLabel: "ariaLabel", color: "color", flipRtl: "flipRtl", icon: "icon", ios: "ios", lazy: "lazy", md: "md", mode: "mode", name: "name", sanitize: "sanitize", size: "size", src: "src" }, ngContentSelectors: _c0, decls: 1, vars: 0, template: function IonIcon_Template(rf, ctx) { if (rf & 1) {
        _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵprojectionDef"]();
        _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵprojection"](0);
    } }, encapsulation: 2, changeDetection: 0 });
IonIcon.ctorParameters = () => [
    { type: _angular_core__WEBPACK_IMPORTED_MODULE_3__.ChangeDetectorRef },
    { type: _angular_core__WEBPACK_IMPORTED_MODULE_3__.ElementRef },
    { type: _angular_core__WEBPACK_IMPORTED_MODULE_3__.NgZone }
];
IonIcon = (0,tslib__WEBPACK_IMPORTED_MODULE_4__.__decorate)([
    ProxyCmp({ inputs: ["ariaHidden", "ariaLabel", "color", "flipRtl", "icon", "ios", "lazy", "md", "mode", "name", "sanitize", "size", "src"] }),
], IonIcon);
let IonImg = class IonImg {
    constructor(c, r, z) {
        this.z = z;
        c.detach();
        this.el = r.nativeElement;
        proxyOutputs(this, this.el, ["ionImgWillLoad", "ionImgDidLoad", "ionError"]);
    }
};
IonImg.ɵfac = function IonImg_Factory(t) { return new (t || IonImg)(_angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵdirectiveInject"](_angular_core__WEBPACK_IMPORTED_MODULE_3__.ChangeDetectorRef), _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵdirectiveInject"](_angular_core__WEBPACK_IMPORTED_MODULE_3__.ElementRef), _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵdirectiveInject"](_angular_core__WEBPACK_IMPORTED_MODULE_3__.NgZone)); };
IonImg.ɵcmp = /*@__PURE__*/ _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵdefineComponent"]({ type: IonImg, selectors: [["ion-img"]], inputs: { alt: "alt", src: "src" }, ngContentSelectors: _c0, decls: 1, vars: 0, template: function IonImg_Template(rf, ctx) { if (rf & 1) {
        _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵprojectionDef"]();
        _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵprojection"](0);
    } }, encapsulation: 2, changeDetection: 0 });
IonImg.ctorParameters = () => [
    { type: _angular_core__WEBPACK_IMPORTED_MODULE_3__.ChangeDetectorRef },
    { type: _angular_core__WEBPACK_IMPORTED_MODULE_3__.ElementRef },
    { type: _angular_core__WEBPACK_IMPORTED_MODULE_3__.NgZone }
];
IonImg = (0,tslib__WEBPACK_IMPORTED_MODULE_4__.__decorate)([
    ProxyCmp({ inputs: ["alt", "src"] }),
], IonImg);
let IonInfiniteScroll = class IonInfiniteScroll {
    constructor(c, r, z) {
        this.z = z;
        c.detach();
        this.el = r.nativeElement;
        proxyOutputs(this, this.el, ["ionInfinite"]);
    }
};
IonInfiniteScroll.ɵfac = function IonInfiniteScroll_Factory(t) { return new (t || IonInfiniteScroll)(_angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵdirectiveInject"](_angular_core__WEBPACK_IMPORTED_MODULE_3__.ChangeDetectorRef), _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵdirectiveInject"](_angular_core__WEBPACK_IMPORTED_MODULE_3__.ElementRef), _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵdirectiveInject"](_angular_core__WEBPACK_IMPORTED_MODULE_3__.NgZone)); };
IonInfiniteScroll.ɵcmp = /*@__PURE__*/ _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵdefineComponent"]({ type: IonInfiniteScroll, selectors: [["ion-infinite-scroll"]], inputs: { disabled: "disabled", position: "position", threshold: "threshold" }, ngContentSelectors: _c0, decls: 1, vars: 0, template: function IonInfiniteScroll_Template(rf, ctx) { if (rf & 1) {
        _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵprojectionDef"]();
        _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵprojection"](0);
    } }, encapsulation: 2, changeDetection: 0 });
IonInfiniteScroll.ctorParameters = () => [
    { type: _angular_core__WEBPACK_IMPORTED_MODULE_3__.ChangeDetectorRef },
    { type: _angular_core__WEBPACK_IMPORTED_MODULE_3__.ElementRef },
    { type: _angular_core__WEBPACK_IMPORTED_MODULE_3__.NgZone }
];
IonInfiniteScroll = (0,tslib__WEBPACK_IMPORTED_MODULE_4__.__decorate)([
    ProxyCmp({ inputs: ["disabled", "position", "threshold"], "methods": ["complete"] }),
], IonInfiniteScroll);
let IonInfiniteScrollContent = class IonInfiniteScrollContent {
    constructor(c, r, z) {
        this.z = z;
        c.detach();
        this.el = r.nativeElement;
    }
};
IonInfiniteScrollContent.ɵfac = function IonInfiniteScrollContent_Factory(t) { return new (t || IonInfiniteScrollContent)(_angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵdirectiveInject"](_angular_core__WEBPACK_IMPORTED_MODULE_3__.ChangeDetectorRef), _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵdirectiveInject"](_angular_core__WEBPACK_IMPORTED_MODULE_3__.ElementRef), _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵdirectiveInject"](_angular_core__WEBPACK_IMPORTED_MODULE_3__.NgZone)); };
IonInfiniteScrollContent.ɵcmp = /*@__PURE__*/ _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵdefineComponent"]({ type: IonInfiniteScrollContent, selectors: [["ion-infinite-scroll-content"]], inputs: { loadingSpinner: "loadingSpinner", loadingText: "loadingText" }, ngContentSelectors: _c0, decls: 1, vars: 0, template: function IonInfiniteScrollContent_Template(rf, ctx) { if (rf & 1) {
        _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵprojectionDef"]();
        _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵprojection"](0);
    } }, encapsulation: 2, changeDetection: 0 });
IonInfiniteScrollContent.ctorParameters = () => [
    { type: _angular_core__WEBPACK_IMPORTED_MODULE_3__.ChangeDetectorRef },
    { type: _angular_core__WEBPACK_IMPORTED_MODULE_3__.ElementRef },
    { type: _angular_core__WEBPACK_IMPORTED_MODULE_3__.NgZone }
];
IonInfiniteScrollContent = (0,tslib__WEBPACK_IMPORTED_MODULE_4__.__decorate)([
    ProxyCmp({ inputs: ["loadingSpinner", "loadingText"] }),
], IonInfiniteScrollContent);
let IonInput = class IonInput {
    constructor(c, r, z) {
        this.z = z;
        c.detach();
        this.el = r.nativeElement;
        proxyOutputs(this, this.el, ["ionInput", "ionChange", "ionBlur", "ionFocus"]);
    }
};
IonInput.ɵfac = function IonInput_Factory(t) { return new (t || IonInput)(_angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵdirectiveInject"](_angular_core__WEBPACK_IMPORTED_MODULE_3__.ChangeDetectorRef), _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵdirectiveInject"](_angular_core__WEBPACK_IMPORTED_MODULE_3__.ElementRef), _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵdirectiveInject"](_angular_core__WEBPACK_IMPORTED_MODULE_3__.NgZone)); };
IonInput.ɵcmp = /*@__PURE__*/ _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵdefineComponent"]({ type: IonInput, selectors: [["ion-input"]], inputs: { accept: "accept", autocapitalize: "autocapitalize", autocomplete: "autocomplete", autocorrect: "autocorrect", autofocus: "autofocus", clearInput: "clearInput", clearOnEdit: "clearOnEdit", color: "color", debounce: "debounce", disabled: "disabled", enterkeyhint: "enterkeyhint", inputmode: "inputmode", max: "max", maxlength: "maxlength", min: "min", minlength: "minlength", mode: "mode", multiple: "multiple", name: "name", pattern: "pattern", placeholder: "placeholder", readonly: "readonly", required: "required", size: "size", spellcheck: "spellcheck", step: "step", type: "type", value: "value" }, ngContentSelectors: _c0, decls: 1, vars: 0, template: function IonInput_Template(rf, ctx) { if (rf & 1) {
        _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵprojectionDef"]();
        _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵprojection"](0);
    } }, encapsulation: 2, changeDetection: 0 });
IonInput.ctorParameters = () => [
    { type: _angular_core__WEBPACK_IMPORTED_MODULE_3__.ChangeDetectorRef },
    { type: _angular_core__WEBPACK_IMPORTED_MODULE_3__.ElementRef },
    { type: _angular_core__WEBPACK_IMPORTED_MODULE_3__.NgZone }
];
IonInput = (0,tslib__WEBPACK_IMPORTED_MODULE_4__.__decorate)([
    ProxyCmp({ inputs: ["accept", "autocapitalize", "autocomplete", "autocorrect", "autofocus", "clearInput", "clearOnEdit", "color", "debounce", "disabled", "enterkeyhint", "inputmode", "max", "maxlength", "min", "minlength", "mode", "multiple", "name", "pattern", "placeholder", "readonly", "required", "size", "spellcheck", "step", "type", "value"], "methods": ["setFocus", "getInputElement"] }),
], IonInput);
let IonItem = class IonItem {
    constructor(c, r, z) {
        this.z = z;
        c.detach();
        this.el = r.nativeElement;
    }
};
IonItem.ɵfac = function IonItem_Factory(t) { return new (t || IonItem)(_angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵdirectiveInject"](_angular_core__WEBPACK_IMPORTED_MODULE_3__.ChangeDetectorRef), _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵdirectiveInject"](_angular_core__WEBPACK_IMPORTED_MODULE_3__.ElementRef), _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵdirectiveInject"](_angular_core__WEBPACK_IMPORTED_MODULE_3__.NgZone)); };
IonItem.ɵcmp = /*@__PURE__*/ _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵdefineComponent"]({ type: IonItem, selectors: [["ion-item"]], inputs: { button: "button", color: "color", detail: "detail", detailIcon: "detailIcon", disabled: "disabled", download: "download", href: "href", lines: "lines", mode: "mode", rel: "rel", routerAnimation: "routerAnimation", routerDirection: "routerDirection", target: "target", type: "type" }, ngContentSelectors: _c0, decls: 1, vars: 0, template: function IonItem_Template(rf, ctx) { if (rf & 1) {
        _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵprojectionDef"]();
        _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵprojection"](0);
    } }, encapsulation: 2, changeDetection: 0 });
IonItem.ctorParameters = () => [
    { type: _angular_core__WEBPACK_IMPORTED_MODULE_3__.ChangeDetectorRef },
    { type: _angular_core__WEBPACK_IMPORTED_MODULE_3__.ElementRef },
    { type: _angular_core__WEBPACK_IMPORTED_MODULE_3__.NgZone }
];
IonItem = (0,tslib__WEBPACK_IMPORTED_MODULE_4__.__decorate)([
    ProxyCmp({ inputs: ["button", "color", "detail", "detailIcon", "disabled", "download", "href", "lines", "mode", "rel", "routerAnimation", "routerDirection", "target", "type"] }),
], IonItem);
let IonItemDivider = class IonItemDivider {
    constructor(c, r, z) {
        this.z = z;
        c.detach();
        this.el = r.nativeElement;
    }
};
IonItemDivider.ɵfac = function IonItemDivider_Factory(t) { return new (t || IonItemDivider)(_angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵdirectiveInject"](_angular_core__WEBPACK_IMPORTED_MODULE_3__.ChangeDetectorRef), _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵdirectiveInject"](_angular_core__WEBPACK_IMPORTED_MODULE_3__.ElementRef), _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵdirectiveInject"](_angular_core__WEBPACK_IMPORTED_MODULE_3__.NgZone)); };
IonItemDivider.ɵcmp = /*@__PURE__*/ _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵdefineComponent"]({ type: IonItemDivider, selectors: [["ion-item-divider"]], inputs: { color: "color", mode: "mode", sticky: "sticky" }, ngContentSelectors: _c0, decls: 1, vars: 0, template: function IonItemDivider_Template(rf, ctx) { if (rf & 1) {
        _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵprojectionDef"]();
        _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵprojection"](0);
    } }, encapsulation: 2, changeDetection: 0 });
IonItemDivider.ctorParameters = () => [
    { type: _angular_core__WEBPACK_IMPORTED_MODULE_3__.ChangeDetectorRef },
    { type: _angular_core__WEBPACK_IMPORTED_MODULE_3__.ElementRef },
    { type: _angular_core__WEBPACK_IMPORTED_MODULE_3__.NgZone }
];
IonItemDivider = (0,tslib__WEBPACK_IMPORTED_MODULE_4__.__decorate)([
    ProxyCmp({ inputs: ["color", "mode", "sticky"] }),
], IonItemDivider);
let IonItemGroup = class IonItemGroup {
    constructor(c, r, z) {
        this.z = z;
        c.detach();
        this.el = r.nativeElement;
    }
};
IonItemGroup.ɵfac = function IonItemGroup_Factory(t) { return new (t || IonItemGroup)(_angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵdirectiveInject"](_angular_core__WEBPACK_IMPORTED_MODULE_3__.ChangeDetectorRef), _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵdirectiveInject"](_angular_core__WEBPACK_IMPORTED_MODULE_3__.ElementRef), _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵdirectiveInject"](_angular_core__WEBPACK_IMPORTED_MODULE_3__.NgZone)); };
IonItemGroup.ɵcmp = /*@__PURE__*/ _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵdefineComponent"]({ type: IonItemGroup, selectors: [["ion-item-group"]], ngContentSelectors: _c0, decls: 1, vars: 0, template: function IonItemGroup_Template(rf, ctx) { if (rf & 1) {
        _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵprojectionDef"]();
        _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵprojection"](0);
    } }, encapsulation: 2, changeDetection: 0 });
IonItemGroup.ctorParameters = () => [
    { type: _angular_core__WEBPACK_IMPORTED_MODULE_3__.ChangeDetectorRef },
    { type: _angular_core__WEBPACK_IMPORTED_MODULE_3__.ElementRef },
    { type: _angular_core__WEBPACK_IMPORTED_MODULE_3__.NgZone }
];
let IonItemOption = class IonItemOption {
    constructor(c, r, z) {
        this.z = z;
        c.detach();
        this.el = r.nativeElement;
    }
};
IonItemOption.ɵfac = function IonItemOption_Factory(t) { return new (t || IonItemOption)(_angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵdirectiveInject"](_angular_core__WEBPACK_IMPORTED_MODULE_3__.ChangeDetectorRef), _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵdirectiveInject"](_angular_core__WEBPACK_IMPORTED_MODULE_3__.ElementRef), _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵdirectiveInject"](_angular_core__WEBPACK_IMPORTED_MODULE_3__.NgZone)); };
IonItemOption.ɵcmp = /*@__PURE__*/ _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵdefineComponent"]({ type: IonItemOption, selectors: [["ion-item-option"]], inputs: { color: "color", disabled: "disabled", download: "download", expandable: "expandable", href: "href", mode: "mode", rel: "rel", target: "target", type: "type" }, ngContentSelectors: _c0, decls: 1, vars: 0, template: function IonItemOption_Template(rf, ctx) { if (rf & 1) {
        _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵprojectionDef"]();
        _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵprojection"](0);
    } }, encapsulation: 2, changeDetection: 0 });
IonItemOption.ctorParameters = () => [
    { type: _angular_core__WEBPACK_IMPORTED_MODULE_3__.ChangeDetectorRef },
    { type: _angular_core__WEBPACK_IMPORTED_MODULE_3__.ElementRef },
    { type: _angular_core__WEBPACK_IMPORTED_MODULE_3__.NgZone }
];
IonItemOption = (0,tslib__WEBPACK_IMPORTED_MODULE_4__.__decorate)([
    ProxyCmp({ inputs: ["color", "disabled", "download", "expandable", "href", "mode", "rel", "target", "type"] }),
], IonItemOption);
let IonItemOptions = class IonItemOptions {
    constructor(c, r, z) {
        this.z = z;
        c.detach();
        this.el = r.nativeElement;
        proxyOutputs(this, this.el, ["ionSwipe"]);
    }
};
IonItemOptions.ɵfac = function IonItemOptions_Factory(t) { return new (t || IonItemOptions)(_angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵdirectiveInject"](_angular_core__WEBPACK_IMPORTED_MODULE_3__.ChangeDetectorRef), _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵdirectiveInject"](_angular_core__WEBPACK_IMPORTED_MODULE_3__.ElementRef), _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵdirectiveInject"](_angular_core__WEBPACK_IMPORTED_MODULE_3__.NgZone)); };
IonItemOptions.ɵcmp = /*@__PURE__*/ _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵdefineComponent"]({ type: IonItemOptions, selectors: [["ion-item-options"]], inputs: { side: "side" }, ngContentSelectors: _c0, decls: 1, vars: 0, template: function IonItemOptions_Template(rf, ctx) { if (rf & 1) {
        _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵprojectionDef"]();
        _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵprojection"](0);
    } }, encapsulation: 2, changeDetection: 0 });
IonItemOptions.ctorParameters = () => [
    { type: _angular_core__WEBPACK_IMPORTED_MODULE_3__.ChangeDetectorRef },
    { type: _angular_core__WEBPACK_IMPORTED_MODULE_3__.ElementRef },
    { type: _angular_core__WEBPACK_IMPORTED_MODULE_3__.NgZone }
];
IonItemOptions = (0,tslib__WEBPACK_IMPORTED_MODULE_4__.__decorate)([
    ProxyCmp({ inputs: ["side"] }),
], IonItemOptions);
let IonItemSliding = class IonItemSliding {
    constructor(c, r, z) {
        this.z = z;
        c.detach();
        this.el = r.nativeElement;
        proxyOutputs(this, this.el, ["ionDrag"]);
    }
};
IonItemSliding.ɵfac = function IonItemSliding_Factory(t) { return new (t || IonItemSliding)(_angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵdirectiveInject"](_angular_core__WEBPACK_IMPORTED_MODULE_3__.ChangeDetectorRef), _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵdirectiveInject"](_angular_core__WEBPACK_IMPORTED_MODULE_3__.ElementRef), _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵdirectiveInject"](_angular_core__WEBPACK_IMPORTED_MODULE_3__.NgZone)); };
IonItemSliding.ɵcmp = /*@__PURE__*/ _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵdefineComponent"]({ type: IonItemSliding, selectors: [["ion-item-sliding"]], inputs: { disabled: "disabled" }, ngContentSelectors: _c0, decls: 1, vars: 0, template: function IonItemSliding_Template(rf, ctx) { if (rf & 1) {
        _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵprojectionDef"]();
        _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵprojection"](0);
    } }, encapsulation: 2, changeDetection: 0 });
IonItemSliding.ctorParameters = () => [
    { type: _angular_core__WEBPACK_IMPORTED_MODULE_3__.ChangeDetectorRef },
    { type: _angular_core__WEBPACK_IMPORTED_MODULE_3__.ElementRef },
    { type: _angular_core__WEBPACK_IMPORTED_MODULE_3__.NgZone }
];
IonItemSliding = (0,tslib__WEBPACK_IMPORTED_MODULE_4__.__decorate)([
    ProxyCmp({ inputs: ["disabled"], "methods": ["getOpenAmount", "getSlidingRatio", "open", "close", "closeOpened"] }),
], IonItemSliding);
let IonLabel = class IonLabel {
    constructor(c, r, z) {
        this.z = z;
        c.detach();
        this.el = r.nativeElement;
    }
};
IonLabel.ɵfac = function IonLabel_Factory(t) { return new (t || IonLabel)(_angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵdirectiveInject"](_angular_core__WEBPACK_IMPORTED_MODULE_3__.ChangeDetectorRef), _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵdirectiveInject"](_angular_core__WEBPACK_IMPORTED_MODULE_3__.ElementRef), _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵdirectiveInject"](_angular_core__WEBPACK_IMPORTED_MODULE_3__.NgZone)); };
IonLabel.ɵcmp = /*@__PURE__*/ _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵdefineComponent"]({ type: IonLabel, selectors: [["ion-label"]], inputs: { color: "color", mode: "mode", position: "position" }, ngContentSelectors: _c0, decls: 1, vars: 0, template: function IonLabel_Template(rf, ctx) { if (rf & 1) {
        _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵprojectionDef"]();
        _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵprojection"](0);
    } }, encapsulation: 2, changeDetection: 0 });
IonLabel.ctorParameters = () => [
    { type: _angular_core__WEBPACK_IMPORTED_MODULE_3__.ChangeDetectorRef },
    { type: _angular_core__WEBPACK_IMPORTED_MODULE_3__.ElementRef },
    { type: _angular_core__WEBPACK_IMPORTED_MODULE_3__.NgZone }
];
IonLabel = (0,tslib__WEBPACK_IMPORTED_MODULE_4__.__decorate)([
    ProxyCmp({ inputs: ["color", "mode", "position"] }),
], IonLabel);
let IonList = class IonList {
    constructor(c, r, z) {
        this.z = z;
        c.detach();
        this.el = r.nativeElement;
    }
};
IonList.ɵfac = function IonList_Factory(t) { return new (t || IonList)(_angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵdirectiveInject"](_angular_core__WEBPACK_IMPORTED_MODULE_3__.ChangeDetectorRef), _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵdirectiveInject"](_angular_core__WEBPACK_IMPORTED_MODULE_3__.ElementRef), _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵdirectiveInject"](_angular_core__WEBPACK_IMPORTED_MODULE_3__.NgZone)); };
IonList.ɵcmp = /*@__PURE__*/ _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵdefineComponent"]({ type: IonList, selectors: [["ion-list"]], inputs: { inset: "inset", lines: "lines", mode: "mode" }, ngContentSelectors: _c0, decls: 1, vars: 0, template: function IonList_Template(rf, ctx) { if (rf & 1) {
        _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵprojectionDef"]();
        _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵprojection"](0);
    } }, encapsulation: 2, changeDetection: 0 });
IonList.ctorParameters = () => [
    { type: _angular_core__WEBPACK_IMPORTED_MODULE_3__.ChangeDetectorRef },
    { type: _angular_core__WEBPACK_IMPORTED_MODULE_3__.ElementRef },
    { type: _angular_core__WEBPACK_IMPORTED_MODULE_3__.NgZone }
];
IonList = (0,tslib__WEBPACK_IMPORTED_MODULE_4__.__decorate)([
    ProxyCmp({ inputs: ["inset", "lines", "mode"], "methods": ["closeSlidingItems"] }),
], IonList);
let IonListHeader = class IonListHeader {
    constructor(c, r, z) {
        this.z = z;
        c.detach();
        this.el = r.nativeElement;
    }
};
IonListHeader.ɵfac = function IonListHeader_Factory(t) { return new (t || IonListHeader)(_angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵdirectiveInject"](_angular_core__WEBPACK_IMPORTED_MODULE_3__.ChangeDetectorRef), _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵdirectiveInject"](_angular_core__WEBPACK_IMPORTED_MODULE_3__.ElementRef), _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵdirectiveInject"](_angular_core__WEBPACK_IMPORTED_MODULE_3__.NgZone)); };
IonListHeader.ɵcmp = /*@__PURE__*/ _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵdefineComponent"]({ type: IonListHeader, selectors: [["ion-list-header"]], inputs: { color: "color", lines: "lines", mode: "mode" }, ngContentSelectors: _c0, decls: 1, vars: 0, template: function IonListHeader_Template(rf, ctx) { if (rf & 1) {
        _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵprojectionDef"]();
        _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵprojection"](0);
    } }, encapsulation: 2, changeDetection: 0 });
IonListHeader.ctorParameters = () => [
    { type: _angular_core__WEBPACK_IMPORTED_MODULE_3__.ChangeDetectorRef },
    { type: _angular_core__WEBPACK_IMPORTED_MODULE_3__.ElementRef },
    { type: _angular_core__WEBPACK_IMPORTED_MODULE_3__.NgZone }
];
IonListHeader = (0,tslib__WEBPACK_IMPORTED_MODULE_4__.__decorate)([
    ProxyCmp({ inputs: ["color", "lines", "mode"] }),
], IonListHeader);
let IonMenu = class IonMenu {
    constructor(c, r, z) {
        this.z = z;
        c.detach();
        this.el = r.nativeElement;
        proxyOutputs(this, this.el, ["ionWillOpen", "ionWillClose", "ionDidOpen", "ionDidClose"]);
    }
};
IonMenu.ɵfac = function IonMenu_Factory(t) { return new (t || IonMenu)(_angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵdirectiveInject"](_angular_core__WEBPACK_IMPORTED_MODULE_3__.ChangeDetectorRef), _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵdirectiveInject"](_angular_core__WEBPACK_IMPORTED_MODULE_3__.ElementRef), _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵdirectiveInject"](_angular_core__WEBPACK_IMPORTED_MODULE_3__.NgZone)); };
IonMenu.ɵcmp = /*@__PURE__*/ _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵdefineComponent"]({ type: IonMenu, selectors: [["ion-menu"]], inputs: { contentId: "contentId", disabled: "disabled", maxEdgeStart: "maxEdgeStart", menuId: "menuId", side: "side", swipeGesture: "swipeGesture", type: "type" }, ngContentSelectors: _c0, decls: 1, vars: 0, template: function IonMenu_Template(rf, ctx) { if (rf & 1) {
        _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵprojectionDef"]();
        _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵprojection"](0);
    } }, encapsulation: 2, changeDetection: 0 });
IonMenu.ctorParameters = () => [
    { type: _angular_core__WEBPACK_IMPORTED_MODULE_3__.ChangeDetectorRef },
    { type: _angular_core__WEBPACK_IMPORTED_MODULE_3__.ElementRef },
    { type: _angular_core__WEBPACK_IMPORTED_MODULE_3__.NgZone }
];
IonMenu = (0,tslib__WEBPACK_IMPORTED_MODULE_4__.__decorate)([
    ProxyCmp({ inputs: ["contentId", "disabled", "maxEdgeStart", "menuId", "side", "swipeGesture", "type"], "methods": ["isOpen", "isActive", "open", "close", "toggle", "setOpen"] }),
], IonMenu);
let IonMenuButton = class IonMenuButton {
    constructor(c, r, z) {
        this.z = z;
        c.detach();
        this.el = r.nativeElement;
    }
};
IonMenuButton.ɵfac = function IonMenuButton_Factory(t) { return new (t || IonMenuButton)(_angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵdirectiveInject"](_angular_core__WEBPACK_IMPORTED_MODULE_3__.ChangeDetectorRef), _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵdirectiveInject"](_angular_core__WEBPACK_IMPORTED_MODULE_3__.ElementRef), _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵdirectiveInject"](_angular_core__WEBPACK_IMPORTED_MODULE_3__.NgZone)); };
IonMenuButton.ɵcmp = /*@__PURE__*/ _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵdefineComponent"]({ type: IonMenuButton, selectors: [["ion-menu-button"]], inputs: { autoHide: "autoHide", color: "color", disabled: "disabled", menu: "menu", mode: "mode", type: "type" }, ngContentSelectors: _c0, decls: 1, vars: 0, template: function IonMenuButton_Template(rf, ctx) { if (rf & 1) {
        _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵprojectionDef"]();
        _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵprojection"](0);
    } }, encapsulation: 2, changeDetection: 0 });
IonMenuButton.ctorParameters = () => [
    { type: _angular_core__WEBPACK_IMPORTED_MODULE_3__.ChangeDetectorRef },
    { type: _angular_core__WEBPACK_IMPORTED_MODULE_3__.ElementRef },
    { type: _angular_core__WEBPACK_IMPORTED_MODULE_3__.NgZone }
];
IonMenuButton = (0,tslib__WEBPACK_IMPORTED_MODULE_4__.__decorate)([
    ProxyCmp({ inputs: ["autoHide", "color", "disabled", "menu", "mode", "type"] }),
], IonMenuButton);
let IonMenuToggle = class IonMenuToggle {
    constructor(c, r, z) {
        this.z = z;
        c.detach();
        this.el = r.nativeElement;
    }
};
IonMenuToggle.ɵfac = function IonMenuToggle_Factory(t) { return new (t || IonMenuToggle)(_angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵdirectiveInject"](_angular_core__WEBPACK_IMPORTED_MODULE_3__.ChangeDetectorRef), _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵdirectiveInject"](_angular_core__WEBPACK_IMPORTED_MODULE_3__.ElementRef), _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵdirectiveInject"](_angular_core__WEBPACK_IMPORTED_MODULE_3__.NgZone)); };
IonMenuToggle.ɵcmp = /*@__PURE__*/ _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵdefineComponent"]({ type: IonMenuToggle, selectors: [["ion-menu-toggle"]], inputs: { autoHide: "autoHide", menu: "menu" }, ngContentSelectors: _c0, decls: 1, vars: 0, template: function IonMenuToggle_Template(rf, ctx) { if (rf & 1) {
        _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵprojectionDef"]();
        _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵprojection"](0);
    } }, encapsulation: 2, changeDetection: 0 });
IonMenuToggle.ctorParameters = () => [
    { type: _angular_core__WEBPACK_IMPORTED_MODULE_3__.ChangeDetectorRef },
    { type: _angular_core__WEBPACK_IMPORTED_MODULE_3__.ElementRef },
    { type: _angular_core__WEBPACK_IMPORTED_MODULE_3__.NgZone }
];
IonMenuToggle = (0,tslib__WEBPACK_IMPORTED_MODULE_4__.__decorate)([
    ProxyCmp({ inputs: ["autoHide", "menu"] }),
], IonMenuToggle);
let IonNav = class IonNav {
    constructor(c, r, z) {
        this.z = z;
        c.detach();
        this.el = r.nativeElement;
        proxyOutputs(this, this.el, ["ionNavWillChange", "ionNavDidChange"]);
    }
};
IonNav.ɵfac = function IonNav_Factory(t) { return new (t || IonNav)(_angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵdirectiveInject"](_angular_core__WEBPACK_IMPORTED_MODULE_3__.ChangeDetectorRef), _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵdirectiveInject"](_angular_core__WEBPACK_IMPORTED_MODULE_3__.ElementRef), _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵdirectiveInject"](_angular_core__WEBPACK_IMPORTED_MODULE_3__.NgZone)); };
IonNav.ɵcmp = /*@__PURE__*/ _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵdefineComponent"]({ type: IonNav, selectors: [["ion-nav"]], inputs: { animated: "animated", animation: "animation", root: "root", rootParams: "rootParams", swipeGesture: "swipeGesture" }, ngContentSelectors: _c0, decls: 1, vars: 0, template: function IonNav_Template(rf, ctx) { if (rf & 1) {
        _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵprojectionDef"]();
        _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵprojection"](0);
    } }, encapsulation: 2, changeDetection: 0 });
IonNav.ctorParameters = () => [
    { type: _angular_core__WEBPACK_IMPORTED_MODULE_3__.ChangeDetectorRef },
    { type: _angular_core__WEBPACK_IMPORTED_MODULE_3__.ElementRef },
    { type: _angular_core__WEBPACK_IMPORTED_MODULE_3__.NgZone }
];
IonNav = (0,tslib__WEBPACK_IMPORTED_MODULE_4__.__decorate)([
    ProxyCmp({ inputs: ["animated", "animation", "root", "rootParams", "swipeGesture"], "methods": ["push", "insert", "insertPages", "pop", "popTo", "popToRoot", "removeIndex", "setRoot", "setPages", "getActive", "getByIndex", "canGoBack", "getPrevious"] }),
], IonNav);
let IonNavLink = class IonNavLink {
    constructor(c, r, z) {
        this.z = z;
        c.detach();
        this.el = r.nativeElement;
    }
};
IonNavLink.ɵfac = function IonNavLink_Factory(t) { return new (t || IonNavLink)(_angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵdirectiveInject"](_angular_core__WEBPACK_IMPORTED_MODULE_3__.ChangeDetectorRef), _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵdirectiveInject"](_angular_core__WEBPACK_IMPORTED_MODULE_3__.ElementRef), _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵdirectiveInject"](_angular_core__WEBPACK_IMPORTED_MODULE_3__.NgZone)); };
IonNavLink.ɵcmp = /*@__PURE__*/ _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵdefineComponent"]({ type: IonNavLink, selectors: [["ion-nav-link"]], inputs: { component: "component", componentProps: "componentProps", routerAnimation: "routerAnimation", routerDirection: "routerDirection" }, ngContentSelectors: _c0, decls: 1, vars: 0, template: function IonNavLink_Template(rf, ctx) { if (rf & 1) {
        _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵprojectionDef"]();
        _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵprojection"](0);
    } }, encapsulation: 2, changeDetection: 0 });
IonNavLink.ctorParameters = () => [
    { type: _angular_core__WEBPACK_IMPORTED_MODULE_3__.ChangeDetectorRef },
    { type: _angular_core__WEBPACK_IMPORTED_MODULE_3__.ElementRef },
    { type: _angular_core__WEBPACK_IMPORTED_MODULE_3__.NgZone }
];
IonNavLink = (0,tslib__WEBPACK_IMPORTED_MODULE_4__.__decorate)([
    ProxyCmp({ inputs: ["component", "componentProps", "routerAnimation", "routerDirection"] }),
], IonNavLink);
let IonNote = class IonNote {
    constructor(c, r, z) {
        this.z = z;
        c.detach();
        this.el = r.nativeElement;
    }
};
IonNote.ɵfac = function IonNote_Factory(t) { return new (t || IonNote)(_angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵdirectiveInject"](_angular_core__WEBPACK_IMPORTED_MODULE_3__.ChangeDetectorRef), _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵdirectiveInject"](_angular_core__WEBPACK_IMPORTED_MODULE_3__.ElementRef), _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵdirectiveInject"](_angular_core__WEBPACK_IMPORTED_MODULE_3__.NgZone)); };
IonNote.ɵcmp = /*@__PURE__*/ _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵdefineComponent"]({ type: IonNote, selectors: [["ion-note"]], inputs: { color: "color", mode: "mode" }, ngContentSelectors: _c0, decls: 1, vars: 0, template: function IonNote_Template(rf, ctx) { if (rf & 1) {
        _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵprojectionDef"]();
        _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵprojection"](0);
    } }, encapsulation: 2, changeDetection: 0 });
IonNote.ctorParameters = () => [
    { type: _angular_core__WEBPACK_IMPORTED_MODULE_3__.ChangeDetectorRef },
    { type: _angular_core__WEBPACK_IMPORTED_MODULE_3__.ElementRef },
    { type: _angular_core__WEBPACK_IMPORTED_MODULE_3__.NgZone }
];
IonNote = (0,tslib__WEBPACK_IMPORTED_MODULE_4__.__decorate)([
    ProxyCmp({ inputs: ["color", "mode"] }),
], IonNote);
let IonProgressBar = class IonProgressBar {
    constructor(c, r, z) {
        this.z = z;
        c.detach();
        this.el = r.nativeElement;
    }
};
IonProgressBar.ɵfac = function IonProgressBar_Factory(t) { return new (t || IonProgressBar)(_angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵdirectiveInject"](_angular_core__WEBPACK_IMPORTED_MODULE_3__.ChangeDetectorRef), _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵdirectiveInject"](_angular_core__WEBPACK_IMPORTED_MODULE_3__.ElementRef), _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵdirectiveInject"](_angular_core__WEBPACK_IMPORTED_MODULE_3__.NgZone)); };
IonProgressBar.ɵcmp = /*@__PURE__*/ _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵdefineComponent"]({ type: IonProgressBar, selectors: [["ion-progress-bar"]], inputs: { buffer: "buffer", color: "color", mode: "mode", reversed: "reversed", type: "type", value: "value" }, ngContentSelectors: _c0, decls: 1, vars: 0, template: function IonProgressBar_Template(rf, ctx) { if (rf & 1) {
        _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵprojectionDef"]();
        _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵprojection"](0);
    } }, encapsulation: 2, changeDetection: 0 });
IonProgressBar.ctorParameters = () => [
    { type: _angular_core__WEBPACK_IMPORTED_MODULE_3__.ChangeDetectorRef },
    { type: _angular_core__WEBPACK_IMPORTED_MODULE_3__.ElementRef },
    { type: _angular_core__WEBPACK_IMPORTED_MODULE_3__.NgZone }
];
IonProgressBar = (0,tslib__WEBPACK_IMPORTED_MODULE_4__.__decorate)([
    ProxyCmp({ inputs: ["buffer", "color", "mode", "reversed", "type", "value"] }),
], IonProgressBar);
let IonRadio = class IonRadio {
    constructor(c, r, z) {
        this.z = z;
        c.detach();
        this.el = r.nativeElement;
        proxyOutputs(this, this.el, ["ionFocus", "ionBlur"]);
    }
};
IonRadio.ɵfac = function IonRadio_Factory(t) { return new (t || IonRadio)(_angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵdirectiveInject"](_angular_core__WEBPACK_IMPORTED_MODULE_3__.ChangeDetectorRef), _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵdirectiveInject"](_angular_core__WEBPACK_IMPORTED_MODULE_3__.ElementRef), _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵdirectiveInject"](_angular_core__WEBPACK_IMPORTED_MODULE_3__.NgZone)); };
IonRadio.ɵcmp = /*@__PURE__*/ _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵdefineComponent"]({ type: IonRadio, selectors: [["ion-radio"]], inputs: { color: "color", disabled: "disabled", mode: "mode", name: "name", value: "value" }, ngContentSelectors: _c0, decls: 1, vars: 0, template: function IonRadio_Template(rf, ctx) { if (rf & 1) {
        _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵprojectionDef"]();
        _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵprojection"](0);
    } }, encapsulation: 2, changeDetection: 0 });
IonRadio.ctorParameters = () => [
    { type: _angular_core__WEBPACK_IMPORTED_MODULE_3__.ChangeDetectorRef },
    { type: _angular_core__WEBPACK_IMPORTED_MODULE_3__.ElementRef },
    { type: _angular_core__WEBPACK_IMPORTED_MODULE_3__.NgZone }
];
IonRadio = (0,tslib__WEBPACK_IMPORTED_MODULE_4__.__decorate)([
    ProxyCmp({ inputs: ["color", "disabled", "mode", "name", "value"] }),
], IonRadio);
let IonRadioGroup = class IonRadioGroup {
    constructor(c, r, z) {
        this.z = z;
        c.detach();
        this.el = r.nativeElement;
        proxyOutputs(this, this.el, ["ionChange"]);
    }
};
IonRadioGroup.ɵfac = function IonRadioGroup_Factory(t) { return new (t || IonRadioGroup)(_angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵdirectiveInject"](_angular_core__WEBPACK_IMPORTED_MODULE_3__.ChangeDetectorRef), _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵdirectiveInject"](_angular_core__WEBPACK_IMPORTED_MODULE_3__.ElementRef), _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵdirectiveInject"](_angular_core__WEBPACK_IMPORTED_MODULE_3__.NgZone)); };
IonRadioGroup.ɵcmp = /*@__PURE__*/ _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵdefineComponent"]({ type: IonRadioGroup, selectors: [["ion-radio-group"]], inputs: { allowEmptySelection: "allowEmptySelection", name: "name", value: "value" }, ngContentSelectors: _c0, decls: 1, vars: 0, template: function IonRadioGroup_Template(rf, ctx) { if (rf & 1) {
        _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵprojectionDef"]();
        _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵprojection"](0);
    } }, encapsulation: 2, changeDetection: 0 });
IonRadioGroup.ctorParameters = () => [
    { type: _angular_core__WEBPACK_IMPORTED_MODULE_3__.ChangeDetectorRef },
    { type: _angular_core__WEBPACK_IMPORTED_MODULE_3__.ElementRef },
    { type: _angular_core__WEBPACK_IMPORTED_MODULE_3__.NgZone }
];
IonRadioGroup = (0,tslib__WEBPACK_IMPORTED_MODULE_4__.__decorate)([
    ProxyCmp({ inputs: ["allowEmptySelection", "name", "value"] }),
], IonRadioGroup);
let IonRange = class IonRange {
    constructor(c, r, z) {
        this.z = z;
        c.detach();
        this.el = r.nativeElement;
        proxyOutputs(this, this.el, ["ionChange", "ionFocus", "ionBlur"]);
    }
};
IonRange.ɵfac = function IonRange_Factory(t) { return new (t || IonRange)(_angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵdirectiveInject"](_angular_core__WEBPACK_IMPORTED_MODULE_3__.ChangeDetectorRef), _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵdirectiveInject"](_angular_core__WEBPACK_IMPORTED_MODULE_3__.ElementRef), _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵdirectiveInject"](_angular_core__WEBPACK_IMPORTED_MODULE_3__.NgZone)); };
IonRange.ɵcmp = /*@__PURE__*/ _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵdefineComponent"]({ type: IonRange, selectors: [["ion-range"]], inputs: { color: "color", debounce: "debounce", disabled: "disabled", dualKnobs: "dualKnobs", max: "max", min: "min", mode: "mode", name: "name", pin: "pin", snaps: "snaps", step: "step", ticks: "ticks", value: "value" }, ngContentSelectors: _c0, decls: 1, vars: 0, template: function IonRange_Template(rf, ctx) { if (rf & 1) {
        _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵprojectionDef"]();
        _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵprojection"](0);
    } }, encapsulation: 2, changeDetection: 0 });
IonRange.ctorParameters = () => [
    { type: _angular_core__WEBPACK_IMPORTED_MODULE_3__.ChangeDetectorRef },
    { type: _angular_core__WEBPACK_IMPORTED_MODULE_3__.ElementRef },
    { type: _angular_core__WEBPACK_IMPORTED_MODULE_3__.NgZone }
];
IonRange = (0,tslib__WEBPACK_IMPORTED_MODULE_4__.__decorate)([
    ProxyCmp({ inputs: ["color", "debounce", "disabled", "dualKnobs", "max", "min", "mode", "name", "pin", "snaps", "step", "ticks", "value"] }),
], IonRange);
let IonRefresher = class IonRefresher {
    constructor(c, r, z) {
        this.z = z;
        c.detach();
        this.el = r.nativeElement;
        proxyOutputs(this, this.el, ["ionRefresh", "ionPull", "ionStart"]);
    }
};
IonRefresher.ɵfac = function IonRefresher_Factory(t) { return new (t || IonRefresher)(_angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵdirectiveInject"](_angular_core__WEBPACK_IMPORTED_MODULE_3__.ChangeDetectorRef), _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵdirectiveInject"](_angular_core__WEBPACK_IMPORTED_MODULE_3__.ElementRef), _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵdirectiveInject"](_angular_core__WEBPACK_IMPORTED_MODULE_3__.NgZone)); };
IonRefresher.ɵcmp = /*@__PURE__*/ _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵdefineComponent"]({ type: IonRefresher, selectors: [["ion-refresher"]], inputs: { closeDuration: "closeDuration", disabled: "disabled", pullFactor: "pullFactor", pullMax: "pullMax", pullMin: "pullMin", snapbackDuration: "snapbackDuration" }, ngContentSelectors: _c0, decls: 1, vars: 0, template: function IonRefresher_Template(rf, ctx) { if (rf & 1) {
        _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵprojectionDef"]();
        _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵprojection"](0);
    } }, encapsulation: 2, changeDetection: 0 });
IonRefresher.ctorParameters = () => [
    { type: _angular_core__WEBPACK_IMPORTED_MODULE_3__.ChangeDetectorRef },
    { type: _angular_core__WEBPACK_IMPORTED_MODULE_3__.ElementRef },
    { type: _angular_core__WEBPACK_IMPORTED_MODULE_3__.NgZone }
];
IonRefresher = (0,tslib__WEBPACK_IMPORTED_MODULE_4__.__decorate)([
    ProxyCmp({ inputs: ["closeDuration", "disabled", "pullFactor", "pullMax", "pullMin", "snapbackDuration"], "methods": ["complete", "cancel", "getProgress"] }),
], IonRefresher);
let IonRefresherContent = class IonRefresherContent {
    constructor(c, r, z) {
        this.z = z;
        c.detach();
        this.el = r.nativeElement;
    }
};
IonRefresherContent.ɵfac = function IonRefresherContent_Factory(t) { return new (t || IonRefresherContent)(_angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵdirectiveInject"](_angular_core__WEBPACK_IMPORTED_MODULE_3__.ChangeDetectorRef), _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵdirectiveInject"](_angular_core__WEBPACK_IMPORTED_MODULE_3__.ElementRef), _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵdirectiveInject"](_angular_core__WEBPACK_IMPORTED_MODULE_3__.NgZone)); };
IonRefresherContent.ɵcmp = /*@__PURE__*/ _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵdefineComponent"]({ type: IonRefresherContent, selectors: [["ion-refresher-content"]], inputs: { pullingIcon: "pullingIcon", pullingText: "pullingText", refreshingSpinner: "refreshingSpinner", refreshingText: "refreshingText" }, ngContentSelectors: _c0, decls: 1, vars: 0, template: function IonRefresherContent_Template(rf, ctx) { if (rf & 1) {
        _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵprojectionDef"]();
        _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵprojection"](0);
    } }, encapsulation: 2, changeDetection: 0 });
IonRefresherContent.ctorParameters = () => [
    { type: _angular_core__WEBPACK_IMPORTED_MODULE_3__.ChangeDetectorRef },
    { type: _angular_core__WEBPACK_IMPORTED_MODULE_3__.ElementRef },
    { type: _angular_core__WEBPACK_IMPORTED_MODULE_3__.NgZone }
];
IonRefresherContent = (0,tslib__WEBPACK_IMPORTED_MODULE_4__.__decorate)([
    ProxyCmp({ inputs: ["pullingIcon", "pullingText", "refreshingSpinner", "refreshingText"] }),
], IonRefresherContent);
let IonReorder = class IonReorder {
    constructor(c, r, z) {
        this.z = z;
        c.detach();
        this.el = r.nativeElement;
    }
};
IonReorder.ɵfac = function IonReorder_Factory(t) { return new (t || IonReorder)(_angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵdirectiveInject"](_angular_core__WEBPACK_IMPORTED_MODULE_3__.ChangeDetectorRef), _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵdirectiveInject"](_angular_core__WEBPACK_IMPORTED_MODULE_3__.ElementRef), _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵdirectiveInject"](_angular_core__WEBPACK_IMPORTED_MODULE_3__.NgZone)); };
IonReorder.ɵcmp = /*@__PURE__*/ _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵdefineComponent"]({ type: IonReorder, selectors: [["ion-reorder"]], ngContentSelectors: _c0, decls: 1, vars: 0, template: function IonReorder_Template(rf, ctx) { if (rf & 1) {
        _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵprojectionDef"]();
        _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵprojection"](0);
    } }, encapsulation: 2, changeDetection: 0 });
IonReorder.ctorParameters = () => [
    { type: _angular_core__WEBPACK_IMPORTED_MODULE_3__.ChangeDetectorRef },
    { type: _angular_core__WEBPACK_IMPORTED_MODULE_3__.ElementRef },
    { type: _angular_core__WEBPACK_IMPORTED_MODULE_3__.NgZone }
];
let IonReorderGroup = class IonReorderGroup {
    constructor(c, r, z) {
        this.z = z;
        c.detach();
        this.el = r.nativeElement;
        proxyOutputs(this, this.el, ["ionItemReorder"]);
    }
};
IonReorderGroup.ɵfac = function IonReorderGroup_Factory(t) { return new (t || IonReorderGroup)(_angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵdirectiveInject"](_angular_core__WEBPACK_IMPORTED_MODULE_3__.ChangeDetectorRef), _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵdirectiveInject"](_angular_core__WEBPACK_IMPORTED_MODULE_3__.ElementRef), _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵdirectiveInject"](_angular_core__WEBPACK_IMPORTED_MODULE_3__.NgZone)); };
IonReorderGroup.ɵcmp = /*@__PURE__*/ _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵdefineComponent"]({ type: IonReorderGroup, selectors: [["ion-reorder-group"]], inputs: { disabled: "disabled" }, ngContentSelectors: _c0, decls: 1, vars: 0, template: function IonReorderGroup_Template(rf, ctx) { if (rf & 1) {
        _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵprojectionDef"]();
        _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵprojection"](0);
    } }, encapsulation: 2, changeDetection: 0 });
IonReorderGroup.ctorParameters = () => [
    { type: _angular_core__WEBPACK_IMPORTED_MODULE_3__.ChangeDetectorRef },
    { type: _angular_core__WEBPACK_IMPORTED_MODULE_3__.ElementRef },
    { type: _angular_core__WEBPACK_IMPORTED_MODULE_3__.NgZone }
];
IonReorderGroup = (0,tslib__WEBPACK_IMPORTED_MODULE_4__.__decorate)([
    ProxyCmp({ inputs: ["disabled"], "methods": ["complete"] }),
], IonReorderGroup);
let IonRippleEffect = class IonRippleEffect {
    constructor(c, r, z) {
        this.z = z;
        c.detach();
        this.el = r.nativeElement;
    }
};
IonRippleEffect.ɵfac = function IonRippleEffect_Factory(t) { return new (t || IonRippleEffect)(_angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵdirectiveInject"](_angular_core__WEBPACK_IMPORTED_MODULE_3__.ChangeDetectorRef), _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵdirectiveInject"](_angular_core__WEBPACK_IMPORTED_MODULE_3__.ElementRef), _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵdirectiveInject"](_angular_core__WEBPACK_IMPORTED_MODULE_3__.NgZone)); };
IonRippleEffect.ɵcmp = /*@__PURE__*/ _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵdefineComponent"]({ type: IonRippleEffect, selectors: [["ion-ripple-effect"]], inputs: { type: "type" }, ngContentSelectors: _c0, decls: 1, vars: 0, template: function IonRippleEffect_Template(rf, ctx) { if (rf & 1) {
        _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵprojectionDef"]();
        _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵprojection"](0);
    } }, encapsulation: 2, changeDetection: 0 });
IonRippleEffect.ctorParameters = () => [
    { type: _angular_core__WEBPACK_IMPORTED_MODULE_3__.ChangeDetectorRef },
    { type: _angular_core__WEBPACK_IMPORTED_MODULE_3__.ElementRef },
    { type: _angular_core__WEBPACK_IMPORTED_MODULE_3__.NgZone }
];
IonRippleEffect = (0,tslib__WEBPACK_IMPORTED_MODULE_4__.__decorate)([
    ProxyCmp({ inputs: ["type"], "methods": ["addRipple"] }),
], IonRippleEffect);
let IonRow = class IonRow {
    constructor(c, r, z) {
        this.z = z;
        c.detach();
        this.el = r.nativeElement;
    }
};
IonRow.ɵfac = function IonRow_Factory(t) { return new (t || IonRow)(_angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵdirectiveInject"](_angular_core__WEBPACK_IMPORTED_MODULE_3__.ChangeDetectorRef), _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵdirectiveInject"](_angular_core__WEBPACK_IMPORTED_MODULE_3__.ElementRef), _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵdirectiveInject"](_angular_core__WEBPACK_IMPORTED_MODULE_3__.NgZone)); };
IonRow.ɵcmp = /*@__PURE__*/ _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵdefineComponent"]({ type: IonRow, selectors: [["ion-row"]], ngContentSelectors: _c0, decls: 1, vars: 0, template: function IonRow_Template(rf, ctx) { if (rf & 1) {
        _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵprojectionDef"]();
        _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵprojection"](0);
    } }, encapsulation: 2, changeDetection: 0 });
IonRow.ctorParameters = () => [
    { type: _angular_core__WEBPACK_IMPORTED_MODULE_3__.ChangeDetectorRef },
    { type: _angular_core__WEBPACK_IMPORTED_MODULE_3__.ElementRef },
    { type: _angular_core__WEBPACK_IMPORTED_MODULE_3__.NgZone }
];
let IonSearchbar = class IonSearchbar {
    constructor(c, r, z) {
        this.z = z;
        c.detach();
        this.el = r.nativeElement;
        proxyOutputs(this, this.el, ["ionInput", "ionChange", "ionCancel", "ionClear", "ionBlur", "ionFocus"]);
    }
};
IonSearchbar.ɵfac = function IonSearchbar_Factory(t) { return new (t || IonSearchbar)(_angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵdirectiveInject"](_angular_core__WEBPACK_IMPORTED_MODULE_3__.ChangeDetectorRef), _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵdirectiveInject"](_angular_core__WEBPACK_IMPORTED_MODULE_3__.ElementRef), _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵdirectiveInject"](_angular_core__WEBPACK_IMPORTED_MODULE_3__.NgZone)); };
IonSearchbar.ɵcmp = /*@__PURE__*/ _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵdefineComponent"]({ type: IonSearchbar, selectors: [["ion-searchbar"]], inputs: { animated: "animated", autocomplete: "autocomplete", autocorrect: "autocorrect", cancelButtonIcon: "cancelButtonIcon", cancelButtonText: "cancelButtonText", clearIcon: "clearIcon", color: "color", debounce: "debounce", disabled: "disabled", enterkeyhint: "enterkeyhint", inputmode: "inputmode", mode: "mode", placeholder: "placeholder", searchIcon: "searchIcon", showCancelButton: "showCancelButton", showClearButton: "showClearButton", spellcheck: "spellcheck", type: "type", value: "value" }, ngContentSelectors: _c0, decls: 1, vars: 0, template: function IonSearchbar_Template(rf, ctx) { if (rf & 1) {
        _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵprojectionDef"]();
        _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵprojection"](0);
    } }, encapsulation: 2, changeDetection: 0 });
IonSearchbar.ctorParameters = () => [
    { type: _angular_core__WEBPACK_IMPORTED_MODULE_3__.ChangeDetectorRef },
    { type: _angular_core__WEBPACK_IMPORTED_MODULE_3__.ElementRef },
    { type: _angular_core__WEBPACK_IMPORTED_MODULE_3__.NgZone }
];
IonSearchbar = (0,tslib__WEBPACK_IMPORTED_MODULE_4__.__decorate)([
    ProxyCmp({ inputs: ["animated", "autocomplete", "autocorrect", "cancelButtonIcon", "cancelButtonText", "clearIcon", "color", "debounce", "disabled", "enterkeyhint", "inputmode", "mode", "placeholder", "searchIcon", "showCancelButton", "showClearButton", "spellcheck", "type", "value"], "methods": ["setFocus", "getInputElement"] }),
], IonSearchbar);
let IonSegment = class IonSegment {
    constructor(c, r, z) {
        this.z = z;
        c.detach();
        this.el = r.nativeElement;
        proxyOutputs(this, this.el, ["ionChange"]);
    }
};
IonSegment.ɵfac = function IonSegment_Factory(t) { return new (t || IonSegment)(_angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵdirectiveInject"](_angular_core__WEBPACK_IMPORTED_MODULE_3__.ChangeDetectorRef), _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵdirectiveInject"](_angular_core__WEBPACK_IMPORTED_MODULE_3__.ElementRef), _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵdirectiveInject"](_angular_core__WEBPACK_IMPORTED_MODULE_3__.NgZone)); };
IonSegment.ɵcmp = /*@__PURE__*/ _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵdefineComponent"]({ type: IonSegment, selectors: [["ion-segment"]], inputs: { color: "color", disabled: "disabled", mode: "mode", scrollable: "scrollable", swipeGesture: "swipeGesture", value: "value" }, ngContentSelectors: _c0, decls: 1, vars: 0, template: function IonSegment_Template(rf, ctx) { if (rf & 1) {
        _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵprojectionDef"]();
        _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵprojection"](0);
    } }, encapsulation: 2, changeDetection: 0 });
IonSegment.ctorParameters = () => [
    { type: _angular_core__WEBPACK_IMPORTED_MODULE_3__.ChangeDetectorRef },
    { type: _angular_core__WEBPACK_IMPORTED_MODULE_3__.ElementRef },
    { type: _angular_core__WEBPACK_IMPORTED_MODULE_3__.NgZone }
];
IonSegment = (0,tslib__WEBPACK_IMPORTED_MODULE_4__.__decorate)([
    ProxyCmp({ inputs: ["color", "disabled", "mode", "scrollable", "swipeGesture", "value"] }),
], IonSegment);
let IonSegmentButton = class IonSegmentButton {
    constructor(c, r, z) {
        this.z = z;
        c.detach();
        this.el = r.nativeElement;
    }
};
IonSegmentButton.ɵfac = function IonSegmentButton_Factory(t) { return new (t || IonSegmentButton)(_angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵdirectiveInject"](_angular_core__WEBPACK_IMPORTED_MODULE_3__.ChangeDetectorRef), _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵdirectiveInject"](_angular_core__WEBPACK_IMPORTED_MODULE_3__.ElementRef), _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵdirectiveInject"](_angular_core__WEBPACK_IMPORTED_MODULE_3__.NgZone)); };
IonSegmentButton.ɵcmp = /*@__PURE__*/ _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵdefineComponent"]({ type: IonSegmentButton, selectors: [["ion-segment-button"]], inputs: { disabled: "disabled", layout: "layout", mode: "mode", type: "type", value: "value" }, ngContentSelectors: _c0, decls: 1, vars: 0, template: function IonSegmentButton_Template(rf, ctx) { if (rf & 1) {
        _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵprojectionDef"]();
        _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵprojection"](0);
    } }, encapsulation: 2, changeDetection: 0 });
IonSegmentButton.ctorParameters = () => [
    { type: _angular_core__WEBPACK_IMPORTED_MODULE_3__.ChangeDetectorRef },
    { type: _angular_core__WEBPACK_IMPORTED_MODULE_3__.ElementRef },
    { type: _angular_core__WEBPACK_IMPORTED_MODULE_3__.NgZone }
];
IonSegmentButton = (0,tslib__WEBPACK_IMPORTED_MODULE_4__.__decorate)([
    ProxyCmp({ inputs: ["disabled", "layout", "mode", "type", "value"] }),
], IonSegmentButton);
let IonSelect = class IonSelect {
    constructor(c, r, z) {
        this.z = z;
        c.detach();
        this.el = r.nativeElement;
        proxyOutputs(this, this.el, ["ionChange", "ionCancel", "ionFocus", "ionBlur"]);
    }
};
IonSelect.ɵfac = function IonSelect_Factory(t) { return new (t || IonSelect)(_angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵdirectiveInject"](_angular_core__WEBPACK_IMPORTED_MODULE_3__.ChangeDetectorRef), _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵdirectiveInject"](_angular_core__WEBPACK_IMPORTED_MODULE_3__.ElementRef), _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵdirectiveInject"](_angular_core__WEBPACK_IMPORTED_MODULE_3__.NgZone)); };
IonSelect.ɵcmp = /*@__PURE__*/ _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵdefineComponent"]({ type: IonSelect, selectors: [["ion-select"]], inputs: { cancelText: "cancelText", compareWith: "compareWith", disabled: "disabled", interface: "interface", interfaceOptions: "interfaceOptions", mode: "mode", multiple: "multiple", name: "name", okText: "okText", placeholder: "placeholder", selectedText: "selectedText", value: "value" }, ngContentSelectors: _c0, decls: 1, vars: 0, template: function IonSelect_Template(rf, ctx) { if (rf & 1) {
        _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵprojectionDef"]();
        _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵprojection"](0);
    } }, encapsulation: 2, changeDetection: 0 });
IonSelect.ctorParameters = () => [
    { type: _angular_core__WEBPACK_IMPORTED_MODULE_3__.ChangeDetectorRef },
    { type: _angular_core__WEBPACK_IMPORTED_MODULE_3__.ElementRef },
    { type: _angular_core__WEBPACK_IMPORTED_MODULE_3__.NgZone }
];
IonSelect = (0,tslib__WEBPACK_IMPORTED_MODULE_4__.__decorate)([
    ProxyCmp({ inputs: ["cancelText", "compareWith", "disabled", "interface", "interfaceOptions", "mode", "multiple", "name", "okText", "placeholder", "selectedText", "value"], "methods": ["open"] }),
], IonSelect);
let IonSelectOption = class IonSelectOption {
    constructor(c, r, z) {
        this.z = z;
        c.detach();
        this.el = r.nativeElement;
    }
};
IonSelectOption.ɵfac = function IonSelectOption_Factory(t) { return new (t || IonSelectOption)(_angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵdirectiveInject"](_angular_core__WEBPACK_IMPORTED_MODULE_3__.ChangeDetectorRef), _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵdirectiveInject"](_angular_core__WEBPACK_IMPORTED_MODULE_3__.ElementRef), _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵdirectiveInject"](_angular_core__WEBPACK_IMPORTED_MODULE_3__.NgZone)); };
IonSelectOption.ɵcmp = /*@__PURE__*/ _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵdefineComponent"]({ type: IonSelectOption, selectors: [["ion-select-option"]], inputs: { disabled: "disabled", value: "value" }, ngContentSelectors: _c0, decls: 1, vars: 0, template: function IonSelectOption_Template(rf, ctx) { if (rf & 1) {
        _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵprojectionDef"]();
        _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵprojection"](0);
    } }, encapsulation: 2, changeDetection: 0 });
IonSelectOption.ctorParameters = () => [
    { type: _angular_core__WEBPACK_IMPORTED_MODULE_3__.ChangeDetectorRef },
    { type: _angular_core__WEBPACK_IMPORTED_MODULE_3__.ElementRef },
    { type: _angular_core__WEBPACK_IMPORTED_MODULE_3__.NgZone }
];
IonSelectOption = (0,tslib__WEBPACK_IMPORTED_MODULE_4__.__decorate)([
    ProxyCmp({ inputs: ["disabled", "value"] }),
], IonSelectOption);
let IonSkeletonText = class IonSkeletonText {
    constructor(c, r, z) {
        this.z = z;
        c.detach();
        this.el = r.nativeElement;
    }
};
IonSkeletonText.ɵfac = function IonSkeletonText_Factory(t) { return new (t || IonSkeletonText)(_angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵdirectiveInject"](_angular_core__WEBPACK_IMPORTED_MODULE_3__.ChangeDetectorRef), _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵdirectiveInject"](_angular_core__WEBPACK_IMPORTED_MODULE_3__.ElementRef), _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵdirectiveInject"](_angular_core__WEBPACK_IMPORTED_MODULE_3__.NgZone)); };
IonSkeletonText.ɵcmp = /*@__PURE__*/ _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵdefineComponent"]({ type: IonSkeletonText, selectors: [["ion-skeleton-text"]], inputs: { animated: "animated" }, ngContentSelectors: _c0, decls: 1, vars: 0, template: function IonSkeletonText_Template(rf, ctx) { if (rf & 1) {
        _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵprojectionDef"]();
        _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵprojection"](0);
    } }, encapsulation: 2, changeDetection: 0 });
IonSkeletonText.ctorParameters = () => [
    { type: _angular_core__WEBPACK_IMPORTED_MODULE_3__.ChangeDetectorRef },
    { type: _angular_core__WEBPACK_IMPORTED_MODULE_3__.ElementRef },
    { type: _angular_core__WEBPACK_IMPORTED_MODULE_3__.NgZone }
];
IonSkeletonText = (0,tslib__WEBPACK_IMPORTED_MODULE_4__.__decorate)([
    ProxyCmp({ inputs: ["animated"] }),
], IonSkeletonText);
let IonSlide = class IonSlide {
    constructor(c, r, z) {
        this.z = z;
        c.detach();
        this.el = r.nativeElement;
    }
};
IonSlide.ɵfac = function IonSlide_Factory(t) { return new (t || IonSlide)(_angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵdirectiveInject"](_angular_core__WEBPACK_IMPORTED_MODULE_3__.ChangeDetectorRef), _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵdirectiveInject"](_angular_core__WEBPACK_IMPORTED_MODULE_3__.ElementRef), _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵdirectiveInject"](_angular_core__WEBPACK_IMPORTED_MODULE_3__.NgZone)); };
IonSlide.ɵcmp = /*@__PURE__*/ _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵdefineComponent"]({ type: IonSlide, selectors: [["ion-slide"]], ngContentSelectors: _c0, decls: 1, vars: 0, template: function IonSlide_Template(rf, ctx) { if (rf & 1) {
        _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵprojectionDef"]();
        _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵprojection"](0);
    } }, encapsulation: 2, changeDetection: 0 });
IonSlide.ctorParameters = () => [
    { type: _angular_core__WEBPACK_IMPORTED_MODULE_3__.ChangeDetectorRef },
    { type: _angular_core__WEBPACK_IMPORTED_MODULE_3__.ElementRef },
    { type: _angular_core__WEBPACK_IMPORTED_MODULE_3__.NgZone }
];
let IonSlides = class IonSlides {
    constructor(c, r, z) {
        this.z = z;
        c.detach();
        this.el = r.nativeElement;
        proxyOutputs(this, this.el, ["ionSlidesDidLoad", "ionSlideTap", "ionSlideDoubleTap", "ionSlideWillChange", "ionSlideDidChange", "ionSlideNextStart", "ionSlidePrevStart", "ionSlideNextEnd", "ionSlidePrevEnd", "ionSlideTransitionStart", "ionSlideTransitionEnd", "ionSlideDrag", "ionSlideReachStart", "ionSlideReachEnd", "ionSlideTouchStart", "ionSlideTouchEnd"]);
    }
};
IonSlides.ɵfac = function IonSlides_Factory(t) { return new (t || IonSlides)(_angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵdirectiveInject"](_angular_core__WEBPACK_IMPORTED_MODULE_3__.ChangeDetectorRef), _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵdirectiveInject"](_angular_core__WEBPACK_IMPORTED_MODULE_3__.ElementRef), _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵdirectiveInject"](_angular_core__WEBPACK_IMPORTED_MODULE_3__.NgZone)); };
IonSlides.ɵcmp = /*@__PURE__*/ _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵdefineComponent"]({ type: IonSlides, selectors: [["ion-slides"]], inputs: { mode: "mode", options: "options", pager: "pager", scrollbar: "scrollbar" }, ngContentSelectors: _c0, decls: 1, vars: 0, template: function IonSlides_Template(rf, ctx) { if (rf & 1) {
        _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵprojectionDef"]();
        _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵprojection"](0);
    } }, encapsulation: 2, changeDetection: 0 });
IonSlides.ctorParameters = () => [
    { type: _angular_core__WEBPACK_IMPORTED_MODULE_3__.ChangeDetectorRef },
    { type: _angular_core__WEBPACK_IMPORTED_MODULE_3__.ElementRef },
    { type: _angular_core__WEBPACK_IMPORTED_MODULE_3__.NgZone }
];
IonSlides = (0,tslib__WEBPACK_IMPORTED_MODULE_4__.__decorate)([
    ProxyCmp({ inputs: ["mode", "options", "pager", "scrollbar"], "methods": ["update", "updateAutoHeight", "slideTo", "slideNext", "slidePrev", "getActiveIndex", "getPreviousIndex", "length", "isEnd", "isBeginning", "startAutoplay", "stopAutoplay", "lockSwipeToNext", "lockSwipeToPrev", "lockSwipes", "getSwiper"] }),
], IonSlides);
let IonSpinner = class IonSpinner {
    constructor(c, r, z) {
        this.z = z;
        c.detach();
        this.el = r.nativeElement;
    }
};
IonSpinner.ɵfac = function IonSpinner_Factory(t) { return new (t || IonSpinner)(_angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵdirectiveInject"](_angular_core__WEBPACK_IMPORTED_MODULE_3__.ChangeDetectorRef), _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵdirectiveInject"](_angular_core__WEBPACK_IMPORTED_MODULE_3__.ElementRef), _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵdirectiveInject"](_angular_core__WEBPACK_IMPORTED_MODULE_3__.NgZone)); };
IonSpinner.ɵcmp = /*@__PURE__*/ _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵdefineComponent"]({ type: IonSpinner, selectors: [["ion-spinner"]], inputs: { color: "color", duration: "duration", name: "name", paused: "paused" }, ngContentSelectors: _c0, decls: 1, vars: 0, template: function IonSpinner_Template(rf, ctx) { if (rf & 1) {
        _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵprojectionDef"]();
        _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵprojection"](0);
    } }, encapsulation: 2, changeDetection: 0 });
IonSpinner.ctorParameters = () => [
    { type: _angular_core__WEBPACK_IMPORTED_MODULE_3__.ChangeDetectorRef },
    { type: _angular_core__WEBPACK_IMPORTED_MODULE_3__.ElementRef },
    { type: _angular_core__WEBPACK_IMPORTED_MODULE_3__.NgZone }
];
IonSpinner = (0,tslib__WEBPACK_IMPORTED_MODULE_4__.__decorate)([
    ProxyCmp({ inputs: ["color", "duration", "name", "paused"] }),
], IonSpinner);
let IonSplitPane = class IonSplitPane {
    constructor(c, r, z) {
        this.z = z;
        c.detach();
        this.el = r.nativeElement;
        proxyOutputs(this, this.el, ["ionSplitPaneVisible"]);
    }
};
IonSplitPane.ɵfac = function IonSplitPane_Factory(t) { return new (t || IonSplitPane)(_angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵdirectiveInject"](_angular_core__WEBPACK_IMPORTED_MODULE_3__.ChangeDetectorRef), _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵdirectiveInject"](_angular_core__WEBPACK_IMPORTED_MODULE_3__.ElementRef), _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵdirectiveInject"](_angular_core__WEBPACK_IMPORTED_MODULE_3__.NgZone)); };
IonSplitPane.ɵcmp = /*@__PURE__*/ _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵdefineComponent"]({ type: IonSplitPane, selectors: [["ion-split-pane"]], inputs: { contentId: "contentId", disabled: "disabled", when: "when" }, ngContentSelectors: _c0, decls: 1, vars: 0, template: function IonSplitPane_Template(rf, ctx) { if (rf & 1) {
        _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵprojectionDef"]();
        _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵprojection"](0);
    } }, encapsulation: 2, changeDetection: 0 });
IonSplitPane.ctorParameters = () => [
    { type: _angular_core__WEBPACK_IMPORTED_MODULE_3__.ChangeDetectorRef },
    { type: _angular_core__WEBPACK_IMPORTED_MODULE_3__.ElementRef },
    { type: _angular_core__WEBPACK_IMPORTED_MODULE_3__.NgZone }
];
IonSplitPane = (0,tslib__WEBPACK_IMPORTED_MODULE_4__.__decorate)([
    ProxyCmp({ inputs: ["contentId", "disabled", "when"] }),
], IonSplitPane);
let IonTabBar = class IonTabBar {
    constructor(c, r, z) {
        this.z = z;
        c.detach();
        this.el = r.nativeElement;
    }
};
IonTabBar.ɵfac = function IonTabBar_Factory(t) { return new (t || IonTabBar)(_angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵdirectiveInject"](_angular_core__WEBPACK_IMPORTED_MODULE_3__.ChangeDetectorRef), _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵdirectiveInject"](_angular_core__WEBPACK_IMPORTED_MODULE_3__.ElementRef), _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵdirectiveInject"](_angular_core__WEBPACK_IMPORTED_MODULE_3__.NgZone)); };
IonTabBar.ɵcmp = /*@__PURE__*/ _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵdefineComponent"]({ type: IonTabBar, selectors: [["ion-tab-bar"]], inputs: { color: "color", mode: "mode", selectedTab: "selectedTab", translucent: "translucent" }, ngContentSelectors: _c0, decls: 1, vars: 0, template: function IonTabBar_Template(rf, ctx) { if (rf & 1) {
        _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵprojectionDef"]();
        _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵprojection"](0);
    } }, encapsulation: 2, changeDetection: 0 });
IonTabBar.ctorParameters = () => [
    { type: _angular_core__WEBPACK_IMPORTED_MODULE_3__.ChangeDetectorRef },
    { type: _angular_core__WEBPACK_IMPORTED_MODULE_3__.ElementRef },
    { type: _angular_core__WEBPACK_IMPORTED_MODULE_3__.NgZone }
];
IonTabBar = (0,tslib__WEBPACK_IMPORTED_MODULE_4__.__decorate)([
    ProxyCmp({ inputs: ["color", "mode", "selectedTab", "translucent"] }),
], IonTabBar);
let IonTabButton = class IonTabButton {
    constructor(c, r, z) {
        this.z = z;
        c.detach();
        this.el = r.nativeElement;
    }
};
IonTabButton.ɵfac = function IonTabButton_Factory(t) { return new (t || IonTabButton)(_angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵdirectiveInject"](_angular_core__WEBPACK_IMPORTED_MODULE_3__.ChangeDetectorRef), _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵdirectiveInject"](_angular_core__WEBPACK_IMPORTED_MODULE_3__.ElementRef), _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵdirectiveInject"](_angular_core__WEBPACK_IMPORTED_MODULE_3__.NgZone)); };
IonTabButton.ɵcmp = /*@__PURE__*/ _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵdefineComponent"]({ type: IonTabButton, selectors: [["ion-tab-button"]], inputs: { disabled: "disabled", download: "download", href: "href", layout: "layout", mode: "mode", rel: "rel", selected: "selected", tab: "tab", target: "target" }, ngContentSelectors: _c0, decls: 1, vars: 0, template: function IonTabButton_Template(rf, ctx) { if (rf & 1) {
        _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵprojectionDef"]();
        _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵprojection"](0);
    } }, encapsulation: 2, changeDetection: 0 });
IonTabButton.ctorParameters = () => [
    { type: _angular_core__WEBPACK_IMPORTED_MODULE_3__.ChangeDetectorRef },
    { type: _angular_core__WEBPACK_IMPORTED_MODULE_3__.ElementRef },
    { type: _angular_core__WEBPACK_IMPORTED_MODULE_3__.NgZone }
];
IonTabButton = (0,tslib__WEBPACK_IMPORTED_MODULE_4__.__decorate)([
    ProxyCmp({ inputs: ["disabled", "download", "href", "layout", "mode", "rel", "selected", "tab", "target"] }),
], IonTabButton);
let IonText = class IonText {
    constructor(c, r, z) {
        this.z = z;
        c.detach();
        this.el = r.nativeElement;
    }
};
IonText.ɵfac = function IonText_Factory(t) { return new (t || IonText)(_angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵdirectiveInject"](_angular_core__WEBPACK_IMPORTED_MODULE_3__.ChangeDetectorRef), _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵdirectiveInject"](_angular_core__WEBPACK_IMPORTED_MODULE_3__.ElementRef), _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵdirectiveInject"](_angular_core__WEBPACK_IMPORTED_MODULE_3__.NgZone)); };
IonText.ɵcmp = /*@__PURE__*/ _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵdefineComponent"]({ type: IonText, selectors: [["ion-text"]], inputs: { color: "color", mode: "mode" }, ngContentSelectors: _c0, decls: 1, vars: 0, template: function IonText_Template(rf, ctx) { if (rf & 1) {
        _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵprojectionDef"]();
        _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵprojection"](0);
    } }, encapsulation: 2, changeDetection: 0 });
IonText.ctorParameters = () => [
    { type: _angular_core__WEBPACK_IMPORTED_MODULE_3__.ChangeDetectorRef },
    { type: _angular_core__WEBPACK_IMPORTED_MODULE_3__.ElementRef },
    { type: _angular_core__WEBPACK_IMPORTED_MODULE_3__.NgZone }
];
IonText = (0,tslib__WEBPACK_IMPORTED_MODULE_4__.__decorate)([
    ProxyCmp({ inputs: ["color", "mode"] }),
], IonText);
let IonTextarea = class IonTextarea {
    constructor(c, r, z) {
        this.z = z;
        c.detach();
        this.el = r.nativeElement;
        proxyOutputs(this, this.el, ["ionChange", "ionInput", "ionBlur", "ionFocus"]);
    }
};
IonTextarea.ɵfac = function IonTextarea_Factory(t) { return new (t || IonTextarea)(_angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵdirectiveInject"](_angular_core__WEBPACK_IMPORTED_MODULE_3__.ChangeDetectorRef), _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵdirectiveInject"](_angular_core__WEBPACK_IMPORTED_MODULE_3__.ElementRef), _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵdirectiveInject"](_angular_core__WEBPACK_IMPORTED_MODULE_3__.NgZone)); };
IonTextarea.ɵcmp = /*@__PURE__*/ _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵdefineComponent"]({ type: IonTextarea, selectors: [["ion-textarea"]], inputs: { autoGrow: "autoGrow", autocapitalize: "autocapitalize", autofocus: "autofocus", clearOnEdit: "clearOnEdit", color: "color", cols: "cols", debounce: "debounce", disabled: "disabled", enterkeyhint: "enterkeyhint", inputmode: "inputmode", maxlength: "maxlength", minlength: "minlength", mode: "mode", name: "name", placeholder: "placeholder", readonly: "readonly", required: "required", rows: "rows", spellcheck: "spellcheck", value: "value", wrap: "wrap" }, ngContentSelectors: _c0, decls: 1, vars: 0, template: function IonTextarea_Template(rf, ctx) { if (rf & 1) {
        _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵprojectionDef"]();
        _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵprojection"](0);
    } }, encapsulation: 2, changeDetection: 0 });
IonTextarea.ctorParameters = () => [
    { type: _angular_core__WEBPACK_IMPORTED_MODULE_3__.ChangeDetectorRef },
    { type: _angular_core__WEBPACK_IMPORTED_MODULE_3__.ElementRef },
    { type: _angular_core__WEBPACK_IMPORTED_MODULE_3__.NgZone }
];
IonTextarea = (0,tslib__WEBPACK_IMPORTED_MODULE_4__.__decorate)([
    ProxyCmp({ inputs: ["autoGrow", "autocapitalize", "autofocus", "clearOnEdit", "color", "cols", "debounce", "disabled", "enterkeyhint", "inputmode", "maxlength", "minlength", "mode", "name", "placeholder", "readonly", "required", "rows", "spellcheck", "value", "wrap"], "methods": ["setFocus", "getInputElement"] }),
], IonTextarea);
let IonThumbnail = class IonThumbnail {
    constructor(c, r, z) {
        this.z = z;
        c.detach();
        this.el = r.nativeElement;
    }
};
IonThumbnail.ɵfac = function IonThumbnail_Factory(t) { return new (t || IonThumbnail)(_angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵdirectiveInject"](_angular_core__WEBPACK_IMPORTED_MODULE_3__.ChangeDetectorRef), _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵdirectiveInject"](_angular_core__WEBPACK_IMPORTED_MODULE_3__.ElementRef), _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵdirectiveInject"](_angular_core__WEBPACK_IMPORTED_MODULE_3__.NgZone)); };
IonThumbnail.ɵcmp = /*@__PURE__*/ _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵdefineComponent"]({ type: IonThumbnail, selectors: [["ion-thumbnail"]], ngContentSelectors: _c0, decls: 1, vars: 0, template: function IonThumbnail_Template(rf, ctx) { if (rf & 1) {
        _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵprojectionDef"]();
        _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵprojection"](0);
    } }, encapsulation: 2, changeDetection: 0 });
IonThumbnail.ctorParameters = () => [
    { type: _angular_core__WEBPACK_IMPORTED_MODULE_3__.ChangeDetectorRef },
    { type: _angular_core__WEBPACK_IMPORTED_MODULE_3__.ElementRef },
    { type: _angular_core__WEBPACK_IMPORTED_MODULE_3__.NgZone }
];
let IonTitle = class IonTitle {
    constructor(c, r, z) {
        this.z = z;
        c.detach();
        this.el = r.nativeElement;
    }
};
IonTitle.ɵfac = function IonTitle_Factory(t) { return new (t || IonTitle)(_angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵdirectiveInject"](_angular_core__WEBPACK_IMPORTED_MODULE_3__.ChangeDetectorRef), _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵdirectiveInject"](_angular_core__WEBPACK_IMPORTED_MODULE_3__.ElementRef), _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵdirectiveInject"](_angular_core__WEBPACK_IMPORTED_MODULE_3__.NgZone)); };
IonTitle.ɵcmp = /*@__PURE__*/ _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵdefineComponent"]({ type: IonTitle, selectors: [["ion-title"]], inputs: { color: "color", size: "size" }, ngContentSelectors: _c0, decls: 1, vars: 0, template: function IonTitle_Template(rf, ctx) { if (rf & 1) {
        _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵprojectionDef"]();
        _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵprojection"](0);
    } }, encapsulation: 2, changeDetection: 0 });
IonTitle.ctorParameters = () => [
    { type: _angular_core__WEBPACK_IMPORTED_MODULE_3__.ChangeDetectorRef },
    { type: _angular_core__WEBPACK_IMPORTED_MODULE_3__.ElementRef },
    { type: _angular_core__WEBPACK_IMPORTED_MODULE_3__.NgZone }
];
IonTitle = (0,tslib__WEBPACK_IMPORTED_MODULE_4__.__decorate)([
    ProxyCmp({ inputs: ["color", "size"] }),
], IonTitle);
let IonToggle = class IonToggle {
    constructor(c, r, z) {
        this.z = z;
        c.detach();
        this.el = r.nativeElement;
        proxyOutputs(this, this.el, ["ionChange", "ionFocus", "ionBlur"]);
    }
};
IonToggle.ɵfac = function IonToggle_Factory(t) { return new (t || IonToggle)(_angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵdirectiveInject"](_angular_core__WEBPACK_IMPORTED_MODULE_3__.ChangeDetectorRef), _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵdirectiveInject"](_angular_core__WEBPACK_IMPORTED_MODULE_3__.ElementRef), _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵdirectiveInject"](_angular_core__WEBPACK_IMPORTED_MODULE_3__.NgZone)); };
IonToggle.ɵcmp = /*@__PURE__*/ _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵdefineComponent"]({ type: IonToggle, selectors: [["ion-toggle"]], inputs: { checked: "checked", color: "color", disabled: "disabled", mode: "mode", name: "name", value: "value" }, ngContentSelectors: _c0, decls: 1, vars: 0, template: function IonToggle_Template(rf, ctx) { if (rf & 1) {
        _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵprojectionDef"]();
        _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵprojection"](0);
    } }, encapsulation: 2, changeDetection: 0 });
IonToggle.ctorParameters = () => [
    { type: _angular_core__WEBPACK_IMPORTED_MODULE_3__.ChangeDetectorRef },
    { type: _angular_core__WEBPACK_IMPORTED_MODULE_3__.ElementRef },
    { type: _angular_core__WEBPACK_IMPORTED_MODULE_3__.NgZone }
];
IonToggle = (0,tslib__WEBPACK_IMPORTED_MODULE_4__.__decorate)([
    ProxyCmp({ inputs: ["checked", "color", "disabled", "mode", "name", "value"] }),
], IonToggle);
let IonToolbar = class IonToolbar {
    constructor(c, r, z) {
        this.z = z;
        c.detach();
        this.el = r.nativeElement;
    }
};
IonToolbar.ɵfac = function IonToolbar_Factory(t) { return new (t || IonToolbar)(_angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵdirectiveInject"](_angular_core__WEBPACK_IMPORTED_MODULE_3__.ChangeDetectorRef), _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵdirectiveInject"](_angular_core__WEBPACK_IMPORTED_MODULE_3__.ElementRef), _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵdirectiveInject"](_angular_core__WEBPACK_IMPORTED_MODULE_3__.NgZone)); };
IonToolbar.ɵcmp = /*@__PURE__*/ _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵdefineComponent"]({ type: IonToolbar, selectors: [["ion-toolbar"]], inputs: { color: "color", mode: "mode" }, ngContentSelectors: _c0, decls: 1, vars: 0, template: function IonToolbar_Template(rf, ctx) { if (rf & 1) {
        _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵprojectionDef"]();
        _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵprojection"](0);
    } }, encapsulation: 2, changeDetection: 0 });
IonToolbar.ctorParameters = () => [
    { type: _angular_core__WEBPACK_IMPORTED_MODULE_3__.ChangeDetectorRef },
    { type: _angular_core__WEBPACK_IMPORTED_MODULE_3__.ElementRef },
    { type: _angular_core__WEBPACK_IMPORTED_MODULE_3__.NgZone }
];
IonToolbar = (0,tslib__WEBPACK_IMPORTED_MODULE_4__.__decorate)([
    ProxyCmp({ inputs: ["color", "mode"] }),
], IonToolbar);

let Config = class Config {
    get(key, fallback) {
        const c = getConfig();
        if (c) {
            return c.get(key, fallback);
        }
        return null;
    }
    getBoolean(key, fallback) {
        const c = getConfig();
        if (c) {
            return c.getBoolean(key, fallback);
        }
        return false;
    }
    getNumber(key, fallback) {
        const c = getConfig();
        if (c) {
            return c.getNumber(key, fallback);
        }
        return 0;
    }
    set(key, value) {
        console.warn(`[DEPRECATION][Config]: The Config.set() method is deprecated and will be removed in Ionic Framework 6.0. Please see https://ionicframework.com/docs/angular/config for alternatives.`);
        const c = getConfig();
        if (c) {
            c.set(key, value);
        }
    }
};
Config.ɵfac = function Config_Factory(t) { return new (t || Config)(); };
Config.ɵprov = /*@__PURE__*/ _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵdefineInjectable"]({ token: Config, factory: function (t) { return Config.ɵfac(t); }, providedIn: 'root' });
Config.ngInjectableDef = (0,_angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵdefineInjectable"])({ factory: function Config_Factory() { return new Config(); }, token: Config, providedIn: "root" });
const ConfigToken = new _angular_core__WEBPACK_IMPORTED_MODULE_3__.InjectionToken('USERCONFIG');
const getConfig = () => {
    if (typeof window !== 'undefined') {
        const Ionic = window.Ionic;
        if (Ionic && Ionic.config) {
            return Ionic.config;
        }
    }
    return null;
};
const ɵ0$3 = getConfig;

/**
 * @description
 * NavParams are an object that exists on a page and can contain data for that particular view.
 * Similar to how data was pass to a view in V1 with `$stateParams`, NavParams offer a much more flexible
 * option with a simple `get` method.
 *
 * @usage
 * ```ts
 * import { NavParams } from '@ionic/angular';
 *
 * export class MyClass{
 *
 *  constructor(navParams: NavParams){
 *    // userParams is an object we have in our nav-parameters
 *    navParams.get('userParams');
 *  }
 *
 * }
 * ```
 */
class NavParams {
    constructor(data = {}) {
        this.data = data;
    }
    /**
     * Get the value of a nav-parameter for the current view
     *
     * ```ts
     * import { NavParams } from 'ionic-angular';
     *
     * export class MyClass{
     *  constructor(public navParams: NavParams){
     *    // userParams is an object we have in our nav-parameters
     *    this.navParams.get('userParams');
     *  }
     * }
     * ```
     *
     * @param param Which param you want to look up
     */
    get(param) {
        return this.data[param];
    }
}

let AngularDelegate = class AngularDelegate {
    constructor(zone, appRef) {
        this.zone = zone;
        this.appRef = appRef;
    }
    create(resolver, injector, location) {
        return new AngularFrameworkDelegate(resolver, injector, location, this.appRef, this.zone);
    }
};
AngularDelegate.ɵfac = function AngularDelegate_Factory(t) { return new (t || AngularDelegate)(_angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵinject"](_angular_core__WEBPACK_IMPORTED_MODULE_3__.NgZone), _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵinject"](_angular_core__WEBPACK_IMPORTED_MODULE_3__.ApplicationRef)); };
AngularDelegate.ɵprov = /*@__PURE__*/ _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵdefineInjectable"]({ token: AngularDelegate, factory: function (t) { return AngularDelegate.ɵfac(t); } });
AngularDelegate.ctorParameters = () => [
    { type: _angular_core__WEBPACK_IMPORTED_MODULE_3__.NgZone },
    { type: _angular_core__WEBPACK_IMPORTED_MODULE_3__.ApplicationRef }
];
class AngularFrameworkDelegate {
    constructor(resolver, injector, location, appRef, zone) {
        this.resolver = resolver;
        this.injector = injector;
        this.location = location;
        this.appRef = appRef;
        this.zone = zone;
        this.elRefMap = new WeakMap();
        this.elEventsMap = new WeakMap();
    }
    attachViewToDom(container, component, params, cssClasses) {
        return this.zone.run(() => {
            return new Promise(resolve => {
                const el = attachView(this.zone, this.resolver, this.injector, this.location, this.appRef, this.elRefMap, this.elEventsMap, container, component, params, cssClasses);
                resolve(el);
            });
        });
    }
    removeViewFromDom(_container, component) {
        return this.zone.run(() => {
            return new Promise(resolve => {
                const componentRef = this.elRefMap.get(component);
                if (componentRef) {
                    componentRef.destroy();
                    this.elRefMap.delete(component);
                    const unbindEvents = this.elEventsMap.get(component);
                    if (unbindEvents) {
                        unbindEvents();
                        this.elEventsMap.delete(component);
                    }
                }
                resolve();
            });
        });
    }
}
const attachView = (zone, resolver, injector, location, appRef, elRefMap, elEventsMap, container, component, params, cssClasses) => {
    const factory = resolver.resolveComponentFactory(component);
    const childInjector = _angular_core__WEBPACK_IMPORTED_MODULE_3__.Injector.create({
        providers: getProviders(params),
        parent: injector
    });
    const componentRef = (location)
        ? location.createComponent(factory, location.length, childInjector)
        : factory.create(childInjector);
    const instance = componentRef.instance;
    const hostElement = componentRef.location.nativeElement;
    if (params) {
        Object.assign(instance, params);
    }
    if (cssClasses) {
        for (const clazz of cssClasses) {
            hostElement.classList.add(clazz);
        }
    }
    const unbindEvents = bindLifecycleEvents(zone, instance, hostElement);
    container.appendChild(hostElement);
    if (!location) {
        appRef.attachView(componentRef.hostView);
    }
    componentRef.changeDetectorRef.reattach();
    elRefMap.set(hostElement, componentRef);
    elEventsMap.set(hostElement, unbindEvents);
    return hostElement;
};
const LIFECYCLES = [
    _ionic_core__WEBPACK_IMPORTED_MODULE_0__.LIFECYCLE_WILL_ENTER,
    _ionic_core__WEBPACK_IMPORTED_MODULE_0__.LIFECYCLE_DID_ENTER,
    _ionic_core__WEBPACK_IMPORTED_MODULE_0__.LIFECYCLE_WILL_LEAVE,
    _ionic_core__WEBPACK_IMPORTED_MODULE_0__.LIFECYCLE_DID_LEAVE,
    _ionic_core__WEBPACK_IMPORTED_MODULE_0__.LIFECYCLE_WILL_UNLOAD
];
const bindLifecycleEvents = (zone, instance, element) => {
    return zone.run(() => {
        const unregisters = LIFECYCLES
            .filter(eventName => typeof instance[eventName] === 'function')
            .map(eventName => {
            const handler = (ev) => instance[eventName](ev.detail);
            element.addEventListener(eventName, handler);
            return () => element.removeEventListener(eventName, handler);
        });
        return () => unregisters.forEach(fn => fn());
    });
};
const NavParamsToken = new _angular_core__WEBPACK_IMPORTED_MODULE_3__.InjectionToken('NavParamsToken');
const getProviders = (params) => {
    return [
        {
            provide: NavParamsToken, useValue: params
        },
        {
            provide: NavParams, useFactory: provideNavParamsInjectable, deps: [NavParamsToken]
        }
    ];
};
const ɵ0$4 = getProviders;
const provideNavParamsInjectable = (params) => {
    return new NavParams(params);
};
const ɵ1$2 = provideNavParamsInjectable;

const insertView = (views, view, direction) => {
    if (direction === 'root') {
        return setRoot(views, view);
    }
    else if (direction === 'forward') {
        return setForward(views, view);
    }
    else {
        return setBack(views, view);
    }
};
const setRoot = (views, view) => {
    views = views.filter(v => v.stackId !== view.stackId);
    views.push(view);
    return views;
};
const ɵ0$5 = setRoot;
const setForward = (views, view) => {
    const index = views.indexOf(view);
    if (index >= 0) {
        views = views.filter(v => v.stackId !== view.stackId || v.id <= view.id);
    }
    else {
        views.push(view);
    }
    return views;
};
const ɵ1$3 = setForward;
const setBack = (views, view) => {
    const index = views.indexOf(view);
    if (index >= 0) {
        return views.filter(v => v.stackId !== view.stackId || v.id <= view.id);
    }
    else {
        return setRoot(views, view);
    }
};
const ɵ2$1 = setBack;
const getUrl = (router, activatedRoute) => {
    const urlTree = router.createUrlTree(['.'], { relativeTo: activatedRoute });
    return router.serializeUrl(urlTree);
};
const isTabSwitch = (enteringView, leavingView) => {
    if (!leavingView) {
        return true;
    }
    return enteringView.stackId !== leavingView.stackId;
};
const computeStackId = (prefixUrl, url) => {
    if (!prefixUrl) {
        return undefined;
    }
    const segments = toSegments(url);
    for (let i = 0; i < segments.length; i++) {
        if (i >= prefixUrl.length) {
            return segments[i];
        }
        if (segments[i] !== prefixUrl[i]) {
            return undefined;
        }
    }
    return undefined;
};
const toSegments = (path) => {
    return path
        .split('/')
        .map(s => s.trim())
        .filter(s => s !== '');
};
const destroyView = (view) => {
    if (view) {
        // TODO lifecycle event
        view.ref.destroy();
        view.unlistenEvents();
    }
};

class StackController {
    constructor(tabsPrefix, containerEl, router, navCtrl, zone, location) {
        this.containerEl = containerEl;
        this.router = router;
        this.navCtrl = navCtrl;
        this.zone = zone;
        this.location = location;
        this.views = [];
        this.skipTransition = false;
        this.nextId = 0;
        this.tabsPrefix = tabsPrefix !== undefined ? toSegments(tabsPrefix) : undefined;
    }
    createView(ref, activatedRoute) {
        const url = getUrl(this.router, activatedRoute);
        const element = (ref && ref.location && ref.location.nativeElement);
        const unlistenEvents = bindLifecycleEvents(this.zone, ref.instance, element);
        return {
            id: this.nextId++,
            stackId: computeStackId(this.tabsPrefix, url),
            unlistenEvents,
            element,
            ref,
            url,
        };
    }
    getExistingView(activatedRoute) {
        const activatedUrlKey = getUrl(this.router, activatedRoute);
        const view = this.views.find(vw => vw.url === activatedUrlKey);
        if (view) {
            view.ref.changeDetectorRef.reattach();
        }
        return view;
    }
    setActive(enteringView) {
        const consumeResult = this.navCtrl.consumeTransition();
        let { direction, animation, animationBuilder } = consumeResult;
        const leavingView = this.activeView;
        const tabSwitch = isTabSwitch(enteringView, leavingView);
        if (tabSwitch) {
            direction = 'back';
            animation = undefined;
        }
        const viewsSnapshot = this.views.slice();
        let currentNavigation;
        const router = this.router;
        // Angular >= 7.2.0
        if (router.getCurrentNavigation) {
            currentNavigation = router.getCurrentNavigation();
            // Angular < 7.2.0
        }
        else if (router.navigations &&
            router.navigations.value) {
            currentNavigation = router.navigations.value;
        }
        /**
         * If the navigation action
         * sets `replaceUrl: true`
         * then we need to make sure
         * we remove the last item
         * from our views stack
         */
        if (currentNavigation &&
            currentNavigation.extras &&
            currentNavigation.extras.replaceUrl) {
            if (this.views.length > 0) {
                this.views.splice(-1, 1);
            }
        }
        const reused = this.views.includes(enteringView);
        const views = this.insertView(enteringView, direction);
        // Trigger change detection before transition starts
        // This will call ngOnInit() the first time too, just after the view
        // was attached to the dom, but BEFORE the transition starts
        if (!reused) {
            enteringView.ref.changeDetectorRef.detectChanges();
        }
        /**
         * If we are going back from a page that
         * was presented using a custom animation
         * we should default to using that
         * unless the developer explicitly
         * provided another animation.
         */
        const customAnimation = enteringView.animationBuilder;
        if (animationBuilder === undefined &&
            direction === 'back' &&
            !tabSwitch &&
            customAnimation !== undefined) {
            animationBuilder = customAnimation;
        }
        /**
         * Save any custom animation so that navigating
         * back will use this custom animation by default.
         */
        if (leavingView) {
            leavingView.animationBuilder = animationBuilder;
        }
        // Wait until previous transitions finish
        return this.zone.runOutsideAngular(() => {
            return this.wait(() => {
                // disconnect leaving page from change detection to
                // reduce jank during the page transition
                if (leavingView) {
                    leavingView.ref.changeDetectorRef.detach();
                }
                // In case the enteringView is the same as the leavingPage we need to reattach()
                enteringView.ref.changeDetectorRef.reattach();
                return this.transition(enteringView, leavingView, animation, this.canGoBack(1), false, animationBuilder)
                    .then(() => cleanupAsync(enteringView, views, viewsSnapshot, this.location))
                    .then(() => ({
                    enteringView,
                    direction,
                    animation,
                    tabSwitch
                }));
            });
        });
    }
    canGoBack(deep, stackId = this.getActiveStackId()) {
        return this.getStack(stackId).length > deep;
    }
    pop(deep, stackId = this.getActiveStackId()) {
        return this.zone.run(() => {
            const views = this.getStack(stackId);
            if (views.length <= deep) {
                return Promise.resolve(false);
            }
            const view = views[views.length - deep - 1];
            let url = view.url;
            const viewSavedData = view.savedData;
            if (viewSavedData) {
                const primaryOutlet = viewSavedData.get('primary');
                if (primaryOutlet &&
                    primaryOutlet.route &&
                    primaryOutlet.route._routerState &&
                    primaryOutlet.route._routerState.snapshot &&
                    primaryOutlet.route._routerState.snapshot.url) {
                    url = primaryOutlet.route._routerState.snapshot.url;
                }
            }
            const { animationBuilder } = this.navCtrl.consumeTransition();
            return this.navCtrl.navigateBack(url, Object.assign({}, view.savedExtras, { animation: animationBuilder })).then(() => true);
        });
    }
    startBackTransition() {
        const leavingView = this.activeView;
        if (leavingView) {
            const views = this.getStack(leavingView.stackId);
            const enteringView = views[views.length - 2];
            const customAnimation = enteringView.animationBuilder;
            return this.wait(() => {
                return this.transition(enteringView, // entering view
                leavingView, // leaving view
                'back', this.canGoBack(2), true, customAnimation);
            });
        }
        return Promise.resolve();
    }
    endBackTransition(shouldComplete) {
        if (shouldComplete) {
            this.skipTransition = true;
            this.pop(1);
        }
        else if (this.activeView) {
            cleanup(this.activeView, this.views, this.views, this.location);
        }
    }
    getLastUrl(stackId) {
        const views = this.getStack(stackId);
        return views.length > 0 ? views[views.length - 1] : undefined;
    }
    /**
     * @internal
     */
    getRootUrl(stackId) {
        const views = this.getStack(stackId);
        return views.length > 0 ? views[0] : undefined;
    }
    getActiveStackId() {
        return this.activeView ? this.activeView.stackId : undefined;
    }
    hasRunningTask() {
        return this.runningTask !== undefined;
    }
    destroy() {
        this.containerEl = undefined;
        this.views.forEach(destroyView);
        this.activeView = undefined;
        this.views = [];
    }
    getStack(stackId) {
        return this.views.filter(v => v.stackId === stackId);
    }
    insertView(enteringView, direction) {
        this.activeView = enteringView;
        this.views = insertView(this.views, enteringView, direction);
        return this.views.slice();
    }
    transition(enteringView, leavingView, direction, showGoBack, progressAnimation, animationBuilder) {
        if (this.skipTransition) {
            this.skipTransition = false;
            return Promise.resolve(false);
        }
        if (leavingView === enteringView) {
            return Promise.resolve(false);
        }
        const enteringEl = enteringView ? enteringView.element : undefined;
        const leavingEl = leavingView ? leavingView.element : undefined;
        const containerEl = this.containerEl;
        if (enteringEl && enteringEl !== leavingEl) {
            enteringEl.classList.add('ion-page');
            enteringEl.classList.add('ion-page-invisible');
            if (enteringEl.parentElement !== containerEl) {
                containerEl.appendChild(enteringEl);
            }
            if (containerEl.commit) {
                return containerEl.commit(enteringEl, leavingEl, {
                    deepWait: true,
                    duration: direction === undefined ? 0 : undefined,
                    direction,
                    showGoBack,
                    progressAnimation,
                    animationBuilder
                });
            }
        }
        return Promise.resolve(false);
    }
    wait(task) {
        return (0,tslib__WEBPACK_IMPORTED_MODULE_4__.__awaiter)(this, void 0, void 0, function* () {
            if (this.runningTask !== undefined) {
                yield this.runningTask;
                this.runningTask = undefined;
            }
            const promise = this.runningTask = task();
            promise.finally(() => this.runningTask = undefined);
            return promise;
        });
    }
}
const cleanupAsync = (activeRoute, views, viewsSnapshot, location) => {
    if (typeof requestAnimationFrame === 'function') {
        return new Promise(resolve => {
            requestAnimationFrame(() => {
                cleanup(activeRoute, views, viewsSnapshot, location);
                resolve();
            });
        });
    }
    return Promise.resolve();
};
const ɵ0$6 = cleanupAsync;
const cleanup = (activeRoute, views, viewsSnapshot, location) => {
    viewsSnapshot
        .filter(view => !views.includes(view))
        .forEach(destroyView);
    views.forEach(view => {
        /**
         * In the event that a user navigated multiple
         * times in rapid succession, we want to make sure
         * we don't pre-emptively detach a view while
         * it is in mid-transition.
         *
         * In this instance we also do not care about query
         * params or fragments as it will be the same view regardless
         */
        const locationWithoutParams = location.path().split('?')[0];
        const locationWithoutFragment = locationWithoutParams.split('#')[0];
        if (view !== activeRoute && view.url !== locationWithoutFragment) {
            const element = view.element;
            element.setAttribute('aria-hidden', 'true');
            element.classList.add('ion-page-hidden');
            view.ref.changeDetectorRef.detach();
        }
    });
};
const ɵ1$4 = cleanup;

let IonRouterOutlet = class IonRouterOutlet {
    constructor(parentContexts, location, resolver, name, tabs, config, navCtrl, commonLocation, elementRef, router, zone, activatedRoute, parentOutlet) {
        this.parentContexts = parentContexts;
        this.location = location;
        this.resolver = resolver;
        this.config = config;
        this.navCtrl = navCtrl;
        this.parentOutlet = parentOutlet;
        this.activated = null;
        this.activatedView = null;
        this._activatedRoute = null;
        // Maintain map of activated route proxies for each component instance
        this.proxyMap = new WeakMap();
        // Keep the latest activated route in a subject for the proxy routes to switch map to
        this.currentActivatedRoute$ = new rxjs__WEBPACK_IMPORTED_MODULE_9__.BehaviorSubject(null);
        this.stackEvents = new _angular_core__WEBPACK_IMPORTED_MODULE_3__.EventEmitter();
        this.activateEvents = new _angular_core__WEBPACK_IMPORTED_MODULE_3__.EventEmitter();
        this.deactivateEvents = new _angular_core__WEBPACK_IMPORTED_MODULE_3__.EventEmitter();
        this.nativeEl = elementRef.nativeElement;
        this.name = name || _angular_router__WEBPACK_IMPORTED_MODULE_7__.PRIMARY_OUTLET;
        this.tabsPrefix = tabs === 'true' ? getUrl(router, activatedRoute) : undefined;
        this.stackCtrl = new StackController(this.tabsPrefix, this.nativeEl, router, navCtrl, zone, commonLocation);
        parentContexts.onChildOutletCreated(this.name, this);
    }
    set animation(animation) {
        this.nativeEl.animation = animation;
    }
    set animated(animated) {
        this.nativeEl.animated = animated;
    }
    set swipeGesture(swipe) {
        this._swipeGesture = swipe;
        this.nativeEl.swipeHandler = swipe ? {
            canStart: () => this.stackCtrl.canGoBack(1) && !this.stackCtrl.hasRunningTask(),
            onStart: () => this.stackCtrl.startBackTransition(),
            onEnd: shouldContinue => this.stackCtrl.endBackTransition(shouldContinue)
        } : undefined;
    }
    ngOnDestroy() {
        this.stackCtrl.destroy();
    }
    getContext() {
        return this.parentContexts.getContext(this.name);
    }
    ngOnInit() {
        if (!this.activated) {
            // If the outlet was not instantiated at the time the route got activated we need to populate
            // the outlet when it is initialized (ie inside a NgIf)
            const context = this.getContext();
            if (context && context.route) {
                this.activateWith(context.route, context.resolver || null);
            }
        }
        new Promise(resolve => (0,_ionic_core__WEBPACK_IMPORTED_MODULE_0__.componentOnReady)(this.nativeEl, resolve)).then(() => {
            if (this._swipeGesture === undefined) {
                this.swipeGesture = this.config.getBoolean('swipeBackEnabled', this.nativeEl.mode === 'ios');
            }
        });
    }
    get isActivated() {
        return !!this.activated;
    }
    get component() {
        if (!this.activated) {
            throw new Error('Outlet is not activated');
        }
        return this.activated.instance;
    }
    get activatedRoute() {
        if (!this.activated) {
            throw new Error('Outlet is not activated');
        }
        return this._activatedRoute;
    }
    get activatedRouteData() {
        if (this._activatedRoute) {
            return this._activatedRoute.snapshot.data;
        }
        return {};
    }
    /**
     * Called when the `RouteReuseStrategy` instructs to detach the subtree
     */
    detach() {
        throw new Error('incompatible reuse strategy');
    }
    /**
     * Called when the `RouteReuseStrategy` instructs to re-attach a previously detached subtree
     */
    attach(_ref, _activatedRoute) {
        throw new Error('incompatible reuse strategy');
    }
    deactivate() {
        if (this.activated) {
            if (this.activatedView) {
                const context = this.getContext();
                this.activatedView.savedData = new Map(context.children['contexts']);
                /**
                 * Angular v11.2.10 introduced a change
                 * where this route context is cleared out when
                 * a router-outlet is deactivated, However,
                 * we need this route information in order to
                 * return a user back to the correct tab when
                 * leaving and then going back to the tab context.
                 */
                const primaryOutlet = this.activatedView.savedData.get('primary');
                if (primaryOutlet && context.route) {
                    primaryOutlet.route = Object.assign({}, context.route);
                }
                /**
                 * Ensure we are saving the NavigationExtras
                 * data otherwise it will be lost
                 */
                this.activatedView.savedExtras = {};
                if (context.route) {
                    const contextSnapshot = context.route.snapshot;
                    this.activatedView.savedExtras.queryParams = contextSnapshot.queryParams;
                    this.activatedView.savedExtras.fragment = contextSnapshot.fragment;
                }
            }
            const c = this.component;
            this.activatedView = null;
            this.activated = null;
            this._activatedRoute = null;
            this.deactivateEvents.emit(c);
        }
    }
    activateWith(activatedRoute, resolver) {
        if (this.isActivated) {
            throw new Error('Cannot activate an already activated outlet');
        }
        this._activatedRoute = activatedRoute;
        let cmpRef;
        let enteringView = this.stackCtrl.getExistingView(activatedRoute);
        if (enteringView) {
            cmpRef = this.activated = enteringView.ref;
            const saved = enteringView.savedData;
            if (saved) {
                // self-restore
                const context = this.getContext();
                context.children['contexts'] = saved;
            }
            // Updated activated route proxy for this component
            this.updateActivatedRouteProxy(cmpRef.instance, activatedRoute);
        }
        else {
            const snapshot = activatedRoute._futureSnapshot;
            const component = snapshot.routeConfig.component;
            resolver = resolver || this.resolver;
            const factory = resolver.resolveComponentFactory(component);
            const childContexts = this.parentContexts.getOrCreateContext(this.name).children;
            // We create an activated route proxy object that will maintain future updates for this component
            // over its lifecycle in the stack.
            const component$ = new rxjs__WEBPACK_IMPORTED_MODULE_9__.BehaviorSubject(null);
            const activatedRouteProxy = this.createActivatedRouteProxy(component$, activatedRoute);
            const injector = new OutletInjector(activatedRouteProxy, childContexts, this.location.injector);
            cmpRef = this.activated = this.location.createComponent(factory, this.location.length, injector);
            // Once the component is created we can push it to our local subject supplied to the proxy
            component$.next(cmpRef.instance);
            // Calling `markForCheck` to make sure we will run the change detection when the
            // `RouterOutlet` is inside a `ChangeDetectionStrategy.OnPush` component.
            enteringView = this.stackCtrl.createView(this.activated, activatedRoute);
            // Store references to the proxy by component
            this.proxyMap.set(cmpRef.instance, activatedRouteProxy);
            this.currentActivatedRoute$.next({ component: cmpRef.instance, activatedRoute });
        }
        this.activatedView = enteringView;
        this.stackCtrl.setActive(enteringView).then(data => {
            this.navCtrl.setTopOutlet(this);
            this.activateEvents.emit(cmpRef.instance);
            this.stackEvents.emit(data);
        });
    }
    /**
     * Returns `true` if there are pages in the stack to go back.
     */
    canGoBack(deep = 1, stackId) {
        return this.stackCtrl.canGoBack(deep, stackId);
    }
    /**
     * Resolves to `true` if it the outlet was able to sucessfully pop the last N pages.
     */
    pop(deep = 1, stackId) {
        return this.stackCtrl.pop(deep, stackId);
    }
    /**
     * Returns the URL of the active page of each stack.
     */
    getLastUrl(stackId) {
        const active = this.stackCtrl.getLastUrl(stackId);
        return active ? active.url : undefined;
    }
    /**
     * Returns the RouteView of the active page of each stack.
     * @internal
     */
    getLastRouteView(stackId) {
        return this.stackCtrl.getLastUrl(stackId);
    }
    /**
     * Returns the root view in the tab stack.
     * @internal
     */
    getRootView(stackId) {
        return this.stackCtrl.getRootUrl(stackId);
    }
    /**
     * Returns the active stack ID. In the context of ion-tabs, it means the active tab.
     */
    getActiveStackId() {
        return this.stackCtrl.getActiveStackId();
    }
    /**
     * Since the activated route can change over the life time of a component in an ion router outlet, we create
     * a proxy so that we can update the values over time as a user navigates back to components already in the stack.
     */
    createActivatedRouteProxy(component$, activatedRoute) {
        const proxy = new _angular_router__WEBPACK_IMPORTED_MODULE_7__.ActivatedRoute();
        proxy._futureSnapshot = activatedRoute._futureSnapshot;
        proxy._routerState = activatedRoute._routerState;
        proxy.snapshot = activatedRoute.snapshot;
        proxy.outlet = activatedRoute.outlet;
        proxy.component = activatedRoute.component;
        // Setup wrappers for the observables so consumers don't have to worry about switching to new observables as the state updates
        proxy._paramMap = this.proxyObservable(component$, 'paramMap');
        proxy._queryParamMap = this.proxyObservable(component$, 'queryParamMap');
        proxy.url = this.proxyObservable(component$, 'url');
        proxy.params = this.proxyObservable(component$, 'params');
        proxy.queryParams = this.proxyObservable(component$, 'queryParams');
        proxy.fragment = this.proxyObservable(component$, 'fragment');
        proxy.data = this.proxyObservable(component$, 'data');
        return proxy;
    }
    /**
     * Create a wrapped observable that will switch to the latest activated route matched by the given component
     */
    proxyObservable(component$, path) {
        return component$.pipe(
        // First wait until the component instance is pushed
        (0,rxjs_operators__WEBPACK_IMPORTED_MODULE_10__.filter)(component => !!component), (0,rxjs_operators__WEBPACK_IMPORTED_MODULE_11__.switchMap)(component => this.currentActivatedRoute$.pipe((0,rxjs_operators__WEBPACK_IMPORTED_MODULE_10__.filter)(current => current !== null && current.component === component), (0,rxjs_operators__WEBPACK_IMPORTED_MODULE_11__.switchMap)(current => current && current.activatedRoute[path]), (0,rxjs_operators__WEBPACK_IMPORTED_MODULE_12__.distinctUntilChanged)())));
    }
    /**
     * Updates the activated route proxy for the given component to the new incoming router state
     */
    updateActivatedRouteProxy(component, activatedRoute) {
        const proxy = this.proxyMap.get(component);
        if (!proxy) {
            throw new Error(`Could not find activated route proxy for view`);
        }
        proxy._futureSnapshot = activatedRoute._futureSnapshot;
        proxy._routerState = activatedRoute._routerState;
        proxy.snapshot = activatedRoute.snapshot;
        proxy.outlet = activatedRoute.outlet;
        proxy.component = activatedRoute.component;
        this.currentActivatedRoute$.next({ component, activatedRoute });
    }
};
IonRouterOutlet.ɵfac = function IonRouterOutlet_Factory(t) { return new (t || IonRouterOutlet)(_angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵdirectiveInject"](_angular_router__WEBPACK_IMPORTED_MODULE_7__.ChildrenOutletContexts), _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵdirectiveInject"](_angular_core__WEBPACK_IMPORTED_MODULE_3__.ViewContainerRef), _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵdirectiveInject"](_angular_core__WEBPACK_IMPORTED_MODULE_3__.ComponentFactoryResolver), _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵinjectAttribute"]('name'), _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵinjectAttribute"]('tabs'), _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵdirectiveInject"](Config), _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵdirectiveInject"](NavController), _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵdirectiveInject"](_angular_common__WEBPACK_IMPORTED_MODULE_6__.Location), _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵdirectiveInject"](_angular_core__WEBPACK_IMPORTED_MODULE_3__.ElementRef), _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵdirectiveInject"](_angular_router__WEBPACK_IMPORTED_MODULE_7__.Router), _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵdirectiveInject"](_angular_core__WEBPACK_IMPORTED_MODULE_3__.NgZone), _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵdirectiveInject"](_angular_router__WEBPACK_IMPORTED_MODULE_7__.ActivatedRoute), _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵdirectiveInject"](IonRouterOutlet, 12)); };
IonRouterOutlet.ɵdir = /*@__PURE__*/ _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵdefineDirective"]({ type: IonRouterOutlet, selectors: [["ion-router-outlet"]], inputs: { animated: "animated", animation: "animation", swipeGesture: "swipeGesture" }, outputs: { stackEvents: "stackEvents", activateEvents: "activate", deactivateEvents: "deactivate" }, exportAs: ["outlet"] });
IonRouterOutlet.ctorParameters = () => [
    { type: _angular_router__WEBPACK_IMPORTED_MODULE_7__.ChildrenOutletContexts },
    { type: _angular_core__WEBPACK_IMPORTED_MODULE_3__.ViewContainerRef },
    { type: _angular_core__WEBPACK_IMPORTED_MODULE_3__.ComponentFactoryResolver },
    { type: String, decorators: [{ type: _angular_core__WEBPACK_IMPORTED_MODULE_3__.Attribute, args: ['name',] }] },
    { type: String, decorators: [{ type: _angular_core__WEBPACK_IMPORTED_MODULE_3__.Optional }, { type: _angular_core__WEBPACK_IMPORTED_MODULE_3__.Attribute, args: ['tabs',] }] },
    { type: Config },
    { type: NavController },
    { type: _angular_common__WEBPACK_IMPORTED_MODULE_6__.Location },
    { type: _angular_core__WEBPACK_IMPORTED_MODULE_3__.ElementRef },
    { type: _angular_router__WEBPACK_IMPORTED_MODULE_7__.Router },
    { type: _angular_core__WEBPACK_IMPORTED_MODULE_3__.NgZone },
    { type: _angular_router__WEBPACK_IMPORTED_MODULE_7__.ActivatedRoute },
    { type: IonRouterOutlet, decorators: [{ type: _angular_core__WEBPACK_IMPORTED_MODULE_3__.SkipSelf }, { type: _angular_core__WEBPACK_IMPORTED_MODULE_3__.Optional }] }
];
(0,tslib__WEBPACK_IMPORTED_MODULE_4__.__decorate)([
    (0,_angular_core__WEBPACK_IMPORTED_MODULE_3__.Output)()
], IonRouterOutlet.prototype, "stackEvents", void 0);
(0,tslib__WEBPACK_IMPORTED_MODULE_4__.__decorate)([
    (0,_angular_core__WEBPACK_IMPORTED_MODULE_3__.Output)('activate')
], IonRouterOutlet.prototype, "activateEvents", void 0);
(0,tslib__WEBPACK_IMPORTED_MODULE_4__.__decorate)([
    (0,_angular_core__WEBPACK_IMPORTED_MODULE_3__.Output)('deactivate')
], IonRouterOutlet.prototype, "deactivateEvents", void 0);
IonRouterOutlet = (0,tslib__WEBPACK_IMPORTED_MODULE_4__.__decorate)([ (0,tslib__WEBPACK_IMPORTED_MODULE_4__.__param)(3, (0,_angular_core__WEBPACK_IMPORTED_MODULE_3__.Attribute)('name')),
    (0,tslib__WEBPACK_IMPORTED_MODULE_4__.__param)(4, (0,_angular_core__WEBPACK_IMPORTED_MODULE_3__.Optional)()), (0,tslib__WEBPACK_IMPORTED_MODULE_4__.__param)(4, (0,_angular_core__WEBPACK_IMPORTED_MODULE_3__.Attribute)('tabs')),
    (0,tslib__WEBPACK_IMPORTED_MODULE_4__.__param)(12, (0,_angular_core__WEBPACK_IMPORTED_MODULE_3__.SkipSelf)()), (0,tslib__WEBPACK_IMPORTED_MODULE_4__.__param)(12, (0,_angular_core__WEBPACK_IMPORTED_MODULE_3__.Optional)())
], IonRouterOutlet);
class OutletInjector {
    constructor(route, childContexts, parent) {
        this.route = route;
        this.childContexts = childContexts;
        this.parent = parent;
    }
    get(token, notFoundValue) {
        if (token === _angular_router__WEBPACK_IMPORTED_MODULE_7__.ActivatedRoute) {
            return this.route;
        }
        if (token === _angular_router__WEBPACK_IMPORTED_MODULE_7__.ChildrenOutletContexts) {
            return this.childContexts;
        }
        // tslint:disable-next-line
        return this.parent.get(token, notFoundValue);
    }
}

let IonTabs = class IonTabs {
    constructor(navCtrl) {
        this.navCtrl = navCtrl;
        this.ionTabsWillChange = new _angular_core__WEBPACK_IMPORTED_MODULE_3__.EventEmitter();
        this.ionTabsDidChange = new _angular_core__WEBPACK_IMPORTED_MODULE_3__.EventEmitter();
    }
    /**
     * @internal
     */
    onPageSelected(detail) {
        const stackId = detail.enteringView.stackId;
        if (detail.tabSwitch && stackId !== undefined) {
            if (this.tabBar) {
                this.tabBar.selectedTab = stackId;
            }
            this.ionTabsWillChange.emit({ tab: stackId });
            this.ionTabsDidChange.emit({ tab: stackId });
        }
    }
    /**
     * When a tab button is clicked, there are several scenarios:
     * 1. If the selected tab is currently active (the tab button has been clicked
     *    again), then it should go to the root view for that tab.
     *
     *   a. Get the saved root view from the router outlet. If the saved root view
     *      matches the tabRootUrl, set the route view to this view including the
     *      navigation extras.
     *   b. If the saved root view from the router outlet does
     *      not match, navigate to the tabRootUrl. No navigation extras are
     *      included.
     *
     * 2. If the current tab tab is not currently selected, get the last route
     *    view from the router outlet.
     *
     *   a. If the last route view exists, navigate to that view including any
     *      navigation extras
     *   b. If the last route view doesn't exist, then navigate
     *      to the default tabRootUrl
     */
    select(tabOrEvent) {
        const isTabString = typeof tabOrEvent === 'string';
        const tab = (isTabString) ? tabOrEvent : tabOrEvent.detail.tab;
        const alreadySelected = this.outlet.getActiveStackId() === tab;
        const tabRootUrl = `${this.outlet.tabsPrefix}/${tab}`;
        /**
         * If this is a nested tab, prevent the event
         * from bubbling otherwise the outer tabs
         * will respond to this event too, causing
         * the app to get directed to the wrong place.
         */
        if (!isTabString) {
            tabOrEvent.stopPropagation();
        }
        if (alreadySelected) {
            const activeStackId = this.outlet.getActiveStackId();
            const activeView = this.outlet.getLastRouteView(activeStackId);
            // If on root tab, do not navigate to root tab again
            if (activeView.url === tabRootUrl) {
                return;
            }
            const rootView = this.outlet.getRootView(tab);
            const navigationExtras = rootView && tabRootUrl === rootView.url && rootView.savedExtras;
            return this.navCtrl.navigateRoot(tabRootUrl, Object.assign({}, (navigationExtras), { animated: true, animationDirection: 'back' }));
        }
        else {
            const lastRoute = this.outlet.getLastRouteView(tab);
            /**
             * If there is a lastRoute, goto that, otherwise goto the fallback url of the
             * selected tab
             */
            const url = lastRoute && lastRoute.url || tabRootUrl;
            const navigationExtras = lastRoute && lastRoute.savedExtras;
            return this.navCtrl.navigateRoot(url, Object.assign({}, (navigationExtras), { animated: true, animationDirection: 'back' }));
        }
    }
    getSelected() {
        return this.outlet.getActiveStackId();
    }
};
IonTabs.ɵfac = function IonTabs_Factory(t) { return new (t || IonTabs)(_angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵdirectiveInject"](NavController)); };
IonTabs.ɵcmp = /*@__PURE__*/ _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵdefineComponent"]({ type: IonTabs, selectors: [["ion-tabs"]], contentQueries: function IonTabs_ContentQueries(rf, ctx, dirIndex) { if (rf & 1) {
        _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵcontentQuery"](dirIndex, IonTabBar, 5);
    } if (rf & 2) {
        let _t;
        _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵqueryRefresh"](_t = _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵloadQuery"]()) && (ctx.tabBar = _t.first);
    } }, viewQuery: function IonTabs_Query(rf, ctx) { if (rf & 1) {
        _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵviewQuery"](_c1, 5, IonRouterOutlet);
    } if (rf & 2) {
        let _t;
        _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵqueryRefresh"](_t = _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵloadQuery"]()) && (ctx.outlet = _t.first);
    } }, hostBindings: function IonTabs_HostBindings(rf, ctx) { if (rf & 1) {
        _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵlistener"]("ionTabButtonClick", function IonTabs_ionTabButtonClick_HostBindingHandler($event) { return ctx.select($event); });
    } }, outputs: { ionTabsWillChange: "ionTabsWillChange", ionTabsDidChange: "ionTabsDidChange" }, ngContentSelectors: _c3, decls: 5, vars: 0, consts: [[1, "tabs-inner"], ["tabs", "true", 3, "stackEvents"], ["outlet", ""]], template: function IonTabs_Template(rf, ctx) { if (rf & 1) {
        _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵprojectionDef"](_c2);
        _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵprojection"](0);
        _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵelementStart"](1, "div", 0);
        _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵelementStart"](2, "ion-router-outlet", 1, 2);
        _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵlistener"]("stackEvents", function IonTabs_Template_ion_router_outlet_stackEvents_2_listener($event) { return ctx.onPageSelected($event); });
        _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵelementEnd"]();
        _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵelementEnd"]();
        _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵprojection"](4, 1);
    } }, directives: [IonRouterOutlet], styles: ["[_nghost-%COMP%] {\n      display: flex;\n      position: absolute;\n      top: 0;\n      left: 0;\n      right: 0;\n      bottom: 0;\n\n      flex-direction: column;\n\n      width: 100%;\n      height: 100%;\n\n      contain: layout size style;\n      z-index: $z-index-page-container;\n    }\n    .tabs-inner[_ngcontent-%COMP%] {\n      position: relative;\n\n      flex: 1;\n\n      contain: layout size style;\n    }"] });
IonTabs.ctorParameters = () => [
    { type: NavController }
];
(0,tslib__WEBPACK_IMPORTED_MODULE_4__.__decorate)([
    (0,_angular_core__WEBPACK_IMPORTED_MODULE_3__.ViewChild)('outlet', { read: IonRouterOutlet, static: false })
], IonTabs.prototype, "outlet", void 0);
(0,tslib__WEBPACK_IMPORTED_MODULE_4__.__decorate)([
    (0,_angular_core__WEBPACK_IMPORTED_MODULE_3__.ContentChild)(IonTabBar, { static: false })
], IonTabs.prototype, "tabBar", void 0);
(0,tslib__WEBPACK_IMPORTED_MODULE_4__.__decorate)([
    (0,_angular_core__WEBPACK_IMPORTED_MODULE_3__.Output)()
], IonTabs.prototype, "ionTabsWillChange", void 0);
(0,tslib__WEBPACK_IMPORTED_MODULE_4__.__decorate)([
    (0,_angular_core__WEBPACK_IMPORTED_MODULE_3__.Output)()
], IonTabs.prototype, "ionTabsDidChange", void 0);
(0,tslib__WEBPACK_IMPORTED_MODULE_4__.__decorate)([
    (0,_angular_core__WEBPACK_IMPORTED_MODULE_3__.HostListener)('ionTabButtonClick', ['$event'])
], IonTabs.prototype, "select", null);

let IonBackButtonDelegate = class IonBackButtonDelegate {
    constructor(routerOutlet, navCtrl, config) {
        this.routerOutlet = routerOutlet;
        this.navCtrl = navCtrl;
        this.config = config;
    }
    /**
     * @internal
     */
    onClick(ev) {
        const defaultHref = this.defaultHref || this.config.get('backButtonDefaultHref');
        if (this.routerOutlet && this.routerOutlet.canGoBack()) {
            this.navCtrl.setDirection('back', undefined, undefined, this.routerAnimation);
            this.routerOutlet.pop();
            ev.preventDefault();
        }
        else if (defaultHref != null) {
            this.navCtrl.navigateBack(defaultHref, { animation: this.routerAnimation });
            ev.preventDefault();
        }
    }
};
IonBackButtonDelegate.ɵfac = function IonBackButtonDelegate_Factory(t) { return new (t || IonBackButtonDelegate)(_angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵdirectiveInject"](IonRouterOutlet, 8), _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵdirectiveInject"](NavController), _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵdirectiveInject"](Config)); };
IonBackButtonDelegate.ɵdir = /*@__PURE__*/ _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵdefineDirective"]({ type: IonBackButtonDelegate, selectors: [["ion-back-button"]], hostBindings: function IonBackButtonDelegate_HostBindings(rf, ctx) { if (rf & 1) {
        _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵlistener"]("click", function IonBackButtonDelegate_click_HostBindingHandler($event) { return ctx.onClick($event); });
    } }, inputs: { defaultHref: "defaultHref", routerAnimation: "routerAnimation" } });
IonBackButtonDelegate.ctorParameters = () => [
    { type: IonRouterOutlet, decorators: [{ type: _angular_core__WEBPACK_IMPORTED_MODULE_3__.Optional }] },
    { type: NavController },
    { type: Config }
];
(0,tslib__WEBPACK_IMPORTED_MODULE_4__.__decorate)([
    (0,_angular_core__WEBPACK_IMPORTED_MODULE_3__.HostListener)('click', ['$event'])
], IonBackButtonDelegate.prototype, "onClick", null);
IonBackButtonDelegate = (0,tslib__WEBPACK_IMPORTED_MODULE_4__.__decorate)([ (0,tslib__WEBPACK_IMPORTED_MODULE_4__.__param)(0, (0,_angular_core__WEBPACK_IMPORTED_MODULE_3__.Optional)())
], IonBackButtonDelegate);

let NavDelegate = class NavDelegate {
    constructor(ref, resolver, injector, angularDelegate, location) {
        this.el = ref.nativeElement;
        ref.nativeElement.delegate = angularDelegate.create(resolver, injector, location);
        proxyOutputs(this, this.el, ['ionNavDidChange', 'ionNavWillChange']);
    }
};
NavDelegate.ɵfac = function NavDelegate_Factory(t) { return new (t || NavDelegate)(_angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵdirectiveInject"](_angular_core__WEBPACK_IMPORTED_MODULE_3__.ElementRef), _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵdirectiveInject"](_angular_core__WEBPACK_IMPORTED_MODULE_3__.ComponentFactoryResolver), _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵdirectiveInject"](_angular_core__WEBPACK_IMPORTED_MODULE_3__.Injector), _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵdirectiveInject"](AngularDelegate), _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵdirectiveInject"](_angular_core__WEBPACK_IMPORTED_MODULE_3__.ViewContainerRef)); };
NavDelegate.ɵdir = /*@__PURE__*/ _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵdefineDirective"]({ type: NavDelegate, selectors: [["ion-nav"]] });
NavDelegate.ctorParameters = () => [
    { type: _angular_core__WEBPACK_IMPORTED_MODULE_3__.ElementRef },
    { type: _angular_core__WEBPACK_IMPORTED_MODULE_3__.ComponentFactoryResolver },
    { type: _angular_core__WEBPACK_IMPORTED_MODULE_3__.Injector },
    { type: AngularDelegate },
    { type: _angular_core__WEBPACK_IMPORTED_MODULE_3__.ViewContainerRef }
];
NavDelegate = (0,tslib__WEBPACK_IMPORTED_MODULE_4__.__decorate)([
    ProxyCmp({
        inputs: ['animated', 'animation', 'root', 'rootParams', 'swipeGesture'],
        methods: ['push', 'insert', 'insertPages', 'pop', 'popTo', 'popToRoot', 'removeIndex', 'setRoot', 'setPages', 'getActive', 'getByIndex', 'canGoBack', 'getPrevious']
    }),
], NavDelegate);

let RouterLinkDelegate = class RouterLinkDelegate {
    constructor(locationStrategy, navCtrl, elementRef, router, routerLink) {
        this.locationStrategy = locationStrategy;
        this.navCtrl = navCtrl;
        this.elementRef = elementRef;
        this.router = router;
        this.routerLink = routerLink;
        this.routerDirection = 'forward';
    }
    ngOnInit() {
        this.updateTargetUrlAndHref();
    }
    ngOnChanges() {
        this.updateTargetUrlAndHref();
    }
    ngOnDestroy() {
        if (this.subscription) {
            this.subscription.unsubscribe();
        }
    }
    updateTargetUrlAndHref() {
        if (this.routerLink) {
            const href = this.locationStrategy.prepareExternalUrl(this.router.serializeUrl(this.routerLink.urlTree));
            this.elementRef.nativeElement.href = href;
        }
    }
    /**
     * @internal
     */
    onClick(ev) {
        this.navCtrl.setDirection(this.routerDirection, undefined, undefined, this.routerAnimation);
        ev.preventDefault();
    }
};
RouterLinkDelegate.ɵfac = function RouterLinkDelegate_Factory(t) { return new (t || RouterLinkDelegate)(_angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵdirectiveInject"](_angular_common__WEBPACK_IMPORTED_MODULE_6__.LocationStrategy), _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵdirectiveInject"](NavController), _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵdirectiveInject"](_angular_core__WEBPACK_IMPORTED_MODULE_3__.ElementRef), _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵdirectiveInject"](_angular_router__WEBPACK_IMPORTED_MODULE_7__.Router), _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵdirectiveInject"](_angular_router__WEBPACK_IMPORTED_MODULE_7__.RouterLink, 8)); };
RouterLinkDelegate.ɵdir = /*@__PURE__*/ _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵdefineDirective"]({ type: RouterLinkDelegate, selectors: [["", "routerLink", ""]], hostBindings: function RouterLinkDelegate_HostBindings(rf, ctx) { if (rf & 1) {
        _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵlistener"]("click", function RouterLinkDelegate_click_HostBindingHandler($event) { return ctx.onClick($event); });
    } }, inputs: { routerDirection: "routerDirection", routerAnimation: "routerAnimation" }, features: [_angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵNgOnChangesFeature"]] });
RouterLinkDelegate.ctorParameters = () => [
    { type: _angular_common__WEBPACK_IMPORTED_MODULE_6__.LocationStrategy },
    { type: NavController },
    { type: _angular_core__WEBPACK_IMPORTED_MODULE_3__.ElementRef },
    { type: _angular_router__WEBPACK_IMPORTED_MODULE_7__.Router },
    { type: _angular_router__WEBPACK_IMPORTED_MODULE_7__.RouterLink, decorators: [{ type: _angular_core__WEBPACK_IMPORTED_MODULE_3__.Optional }] }
];
(0,tslib__WEBPACK_IMPORTED_MODULE_4__.__decorate)([
    (0,_angular_core__WEBPACK_IMPORTED_MODULE_3__.HostListener)('click', ['$event'])
], RouterLinkDelegate.prototype, "onClick", null);
RouterLinkDelegate = (0,tslib__WEBPACK_IMPORTED_MODULE_4__.__decorate)([ (0,tslib__WEBPACK_IMPORTED_MODULE_4__.__param)(4, (0,_angular_core__WEBPACK_IMPORTED_MODULE_3__.Optional)())
], RouterLinkDelegate);

/**
 * @hidden
 */
let VirtualFooter = class VirtualFooter {
    constructor(templateRef) {
        this.templateRef = templateRef;
    }
};
VirtualFooter.ɵfac = function VirtualFooter_Factory(t) { return new (t || VirtualFooter)(_angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵdirectiveInject"](_angular_core__WEBPACK_IMPORTED_MODULE_3__.TemplateRef)); };
VirtualFooter.ɵdir = /*@__PURE__*/ _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵdefineDirective"]({ type: VirtualFooter, selectors: [["", "virtualFooter", ""]] });
VirtualFooter.ctorParameters = () => [
    { type: _angular_core__WEBPACK_IMPORTED_MODULE_3__.TemplateRef }
];

/**
 * @hidden
 */
let VirtualHeader = class VirtualHeader {
    constructor(templateRef) {
        this.templateRef = templateRef;
    }
};
VirtualHeader.ɵfac = function VirtualHeader_Factory(t) { return new (t || VirtualHeader)(_angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵdirectiveInject"](_angular_core__WEBPACK_IMPORTED_MODULE_3__.TemplateRef)); };
VirtualHeader.ɵdir = /*@__PURE__*/ _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵdefineDirective"]({ type: VirtualHeader, selectors: [["", "virtualHeader", ""]] });
VirtualHeader.ctorParameters = () => [
    { type: _angular_core__WEBPACK_IMPORTED_MODULE_3__.TemplateRef }
];

/**
 * @hidden
 */
let VirtualItem = class VirtualItem {
    constructor(templateRef, viewContainer) {
        this.templateRef = templateRef;
        this.viewContainer = viewContainer;
    }
};
VirtualItem.ɵfac = function VirtualItem_Factory(t) { return new (t || VirtualItem)(_angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵdirectiveInject"](_angular_core__WEBPACK_IMPORTED_MODULE_3__.TemplateRef), _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵdirectiveInject"](_angular_core__WEBPACK_IMPORTED_MODULE_3__.ViewContainerRef)); };
VirtualItem.ɵdir = /*@__PURE__*/ _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵdefineDirective"]({ type: VirtualItem, selectors: [["", "virtualItem", ""]] });
VirtualItem.ctorParameters = () => [
    { type: _angular_core__WEBPACK_IMPORTED_MODULE_3__.TemplateRef },
    { type: _angular_core__WEBPACK_IMPORTED_MODULE_3__.ViewContainerRef }
];

let IonVirtualScroll = class IonVirtualScroll {
    constructor(z, iterableDiffers, elementRef) {
        this.z = z;
        this.iterableDiffers = iterableDiffers;
        this.refMap = new WeakMap();
        this.el = elementRef.nativeElement;
        this.el.nodeRender = this.nodeRender.bind(this);
    }
    ngOnChanges(changes) {
        if (this.trackBy && 'items' in changes) {
            // React on virtualScroll changes only once all inputs have been initialized
            const value = changes['items'].currentValue;
            if (this.differ === undefined && value != null) {
                try {
                    this.differ = this.iterableDiffers.find(value).create(this.trackBy);
                }
                catch (e) {
                    throw new Error(`Cannot find a differ supporting object '${value}'. VirtualScroll only supports binding to Iterables such as Arrays.`);
                }
            }
        }
    }
    ngDoCheck() {
        // and if there actually are changes
        const changes = this.differ !== undefined && this.items ? this.differ.diff(this.items) : null;
        if (changes === null) {
            return;
        }
        // TODO: optimize
        this.checkRange(0);
    }
    nodeRender(el, cell, index) {
        return this.z.run(() => {
            let node;
            if (!el) {
                node = this.itmTmp.viewContainer.createEmbeddedView(this.getComponent(cell.type), { $implicit: cell.value, index }, index);
                el = getElement(node);
                this.refMap.set(el, node);
            }
            else {
                node = this.refMap.get(el);
                const ctx = node.context;
                ctx.$implicit = cell.value;
                ctx.index = cell.index;
            }
            // run sync change detections
            node.detectChanges();
            return el;
        });
    }
    getComponent(type) {
        switch (type) {
            case 'item': return this.itmTmp.templateRef;
            case 'header': return this.hdrTmp.templateRef;
            case 'footer': return this.ftrTmp.templateRef;
        }
        throw new Error('template for virtual item was not provided');
    }
};
IonVirtualScroll.ɵfac = function IonVirtualScroll_Factory(t) { return new (t || IonVirtualScroll)(_angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵdirectiveInject"](_angular_core__WEBPACK_IMPORTED_MODULE_3__.NgZone), _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵdirectiveInject"](_angular_core__WEBPACK_IMPORTED_MODULE_3__.IterableDiffers), _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵdirectiveInject"](_angular_core__WEBPACK_IMPORTED_MODULE_3__.ElementRef)); };
IonVirtualScroll.ɵcmp = /*@__PURE__*/ _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵdefineComponent"]({ type: IonVirtualScroll, selectors: [["ion-virtual-scroll"]], contentQueries: function IonVirtualScroll_ContentQueries(rf, ctx, dirIndex) { if (rf & 1) {
        _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵcontentQuery"](dirIndex, VirtualItem, 5);
        _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵcontentQuery"](dirIndex, VirtualHeader, 5);
        _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵcontentQuery"](dirIndex, VirtualFooter, 5);
    } if (rf & 2) {
        let _t;
        _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵqueryRefresh"](_t = _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵloadQuery"]()) && (ctx.itmTmp = _t.first);
        _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵqueryRefresh"](_t = _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵloadQuery"]()) && (ctx.hdrTmp = _t.first);
        _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵqueryRefresh"](_t = _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵloadQuery"]()) && (ctx.ftrTmp = _t.first);
    } }, inputs: { approxItemHeight: "approxItemHeight", approxHeaderHeight: "approxHeaderHeight", approxFooterHeight: "approxFooterHeight", headerFn: "headerFn", footerFn: "footerFn", items: "items", itemHeight: "itemHeight", headerHeight: "headerHeight", footerHeight: "footerHeight", trackBy: "trackBy" }, features: [_angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵNgOnChangesFeature"]], ngContentSelectors: _c0, decls: 1, vars: 0, template: function IonVirtualScroll_Template(rf, ctx) { if (rf & 1) {
        _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵprojectionDef"]();
        _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵprojection"](0);
    } }, encapsulation: 2, changeDetection: 0 });
IonVirtualScroll.ctorParameters = () => [
    { type: _angular_core__WEBPACK_IMPORTED_MODULE_3__.NgZone },
    { type: _angular_core__WEBPACK_IMPORTED_MODULE_3__.IterableDiffers },
    { type: _angular_core__WEBPACK_IMPORTED_MODULE_3__.ElementRef }
];
(0,tslib__WEBPACK_IMPORTED_MODULE_4__.__decorate)([
    (0,_angular_core__WEBPACK_IMPORTED_MODULE_3__.ContentChild)(VirtualItem, { static: false })
], IonVirtualScroll.prototype, "itmTmp", void 0);
(0,tslib__WEBPACK_IMPORTED_MODULE_4__.__decorate)([
    (0,_angular_core__WEBPACK_IMPORTED_MODULE_3__.ContentChild)(VirtualHeader, { static: false })
], IonVirtualScroll.prototype, "hdrTmp", void 0);
(0,tslib__WEBPACK_IMPORTED_MODULE_4__.__decorate)([
    (0,_angular_core__WEBPACK_IMPORTED_MODULE_3__.ContentChild)(VirtualFooter, { static: false })
], IonVirtualScroll.prototype, "ftrTmp", void 0);
IonVirtualScroll = (0,tslib__WEBPACK_IMPORTED_MODULE_4__.__decorate)([
    ProxyCmp({
        inputs: ['approxItemHeight', 'approxHeaderHeight', 'approxFooterHeight', 'headerFn', 'footerFn', 'items', 'itemHeight', 'headerHeight', 'footerHeight'],
        methods: ['checkEnd', 'checkRange', 'positionForItem']
    }),
], IonVirtualScroll);
const getElement = (view) => {
    const rootNodes = view.rootNodes;
    for (let i = 0; i < rootNodes.length; i++) {
        if (rootNodes[i].nodeType === 1) {
            return rootNodes[i];
        }
    }
    throw new Error('virtual element was not created');
};
const ɵ0$7 = getElement;

class OverlayBaseController {
    constructor(ctrl) {
        this.ctrl = ctrl;
    }
    /**
     * Creates a new overlay
     */
    create(opts) {
        // TODO: next major release opts is not optional
        return this.ctrl.create((opts || {}));
    }
    /**
     * When `id` is not provided, it dismisses the top overlay.
     */
    dismiss(data, role, id) {
        return this.ctrl.dismiss(data, role, id);
    }
    /**
     * Returns the top overlay.
     */
    getTop() {
        return this.ctrl.getTop();
    }
}

let ActionSheetController = class ActionSheetController extends OverlayBaseController {
    constructor() {
        super(_ionic_core__WEBPACK_IMPORTED_MODULE_0__.actionSheetController);
    }
};
ActionSheetController.ɵfac = function ActionSheetController_Factory(t) { return new (t || ActionSheetController)(); };
ActionSheetController.ɵprov = /*@__PURE__*/ _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵdefineInjectable"]({ token: ActionSheetController, factory: function (t) { return ActionSheetController.ɵfac(t); }, providedIn: 'root' });
ActionSheetController.ngInjectableDef = (0,_angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵdefineInjectable"])({ factory: function ActionSheetController_Factory() { return new ActionSheetController(); }, token: ActionSheetController, providedIn: "root" });

let AlertController = class AlertController extends OverlayBaseController {
    constructor() {
        super(_ionic_core__WEBPACK_IMPORTED_MODULE_0__.alertController);
    }
};
AlertController.ɵfac = function AlertController_Factory(t) { return new (t || AlertController)(); };
AlertController.ɵprov = /*@__PURE__*/ _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵdefineInjectable"]({ token: AlertController, factory: function (t) { return AlertController.ɵfac(t); }, providedIn: 'root' });
AlertController.ngInjectableDef = (0,_angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵdefineInjectable"])({ factory: function AlertController_Factory() { return new AlertController(); }, token: AlertController, providedIn: "root" });

let LoadingController = class LoadingController extends OverlayBaseController {
    constructor() {
        super(_ionic_core__WEBPACK_IMPORTED_MODULE_0__.loadingController);
    }
};
LoadingController.ɵfac = function LoadingController_Factory(t) { return new (t || LoadingController)(); };
LoadingController.ɵprov = /*@__PURE__*/ _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵdefineInjectable"]({ token: LoadingController, factory: function (t) { return LoadingController.ɵfac(t); }, providedIn: 'root' });
LoadingController.ngInjectableDef = (0,_angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵdefineInjectable"])({ factory: function LoadingController_Factory() { return new LoadingController(); }, token: LoadingController, providedIn: "root" });

let MenuController = class MenuController {
    /**
     * Programmatically open the Menu.
     * @param [menuId]  Optionally get the menu by its id, or side.
     * @return returns a promise when the menu is fully opened
     */
    open(menuId) {
        return _ionic_core__WEBPACK_IMPORTED_MODULE_0__.menuController.open(menuId);
    }
    /**
     * Programmatically close the Menu. If no `menuId` is given as the first
     * argument then it'll close any menu which is open. If a `menuId`
     * is given then it'll close that exact menu.
     * @param [menuId]  Optionally get the menu by its id, or side.
     * @return returns a promise when the menu is fully closed
     */
    close(menuId) {
        return _ionic_core__WEBPACK_IMPORTED_MODULE_0__.menuController.close(menuId);
    }
    /**
     * Toggle the menu. If it's closed, it will open, and if opened, it
     * will close.
     * @param [menuId]  Optionally get the menu by its id, or side.
     * @return returns a promise when the menu has been toggled
     */
    toggle(menuId) {
        return _ionic_core__WEBPACK_IMPORTED_MODULE_0__.menuController.toggle(menuId);
    }
    /**
     * Used to enable or disable a menu. For example, there could be multiple
     * left menus, but only one of them should be able to be opened at the same
     * time. If there are multiple menus on the same side, then enabling one menu
     * will also automatically disable all the others that are on the same side.
     * @param [menuId]  Optionally get the menu by its id, or side.
     * @return Returns the instance of the menu, which is useful for chaining.
     */
    enable(shouldEnable, menuId) {
        return _ionic_core__WEBPACK_IMPORTED_MODULE_0__.menuController.enable(shouldEnable, menuId);
    }
    /**
     * Used to enable or disable the ability to swipe open the menu.
     * @param shouldEnable  True if it should be swipe-able, false if not.
     * @param [menuId]  Optionally get the menu by its id, or side.
     * @return Returns the instance of the menu, which is useful for chaining.
     */
    swipeGesture(shouldEnable, menuId) {
        return _ionic_core__WEBPACK_IMPORTED_MODULE_0__.menuController.swipeGesture(shouldEnable, menuId);
    }
    /**
     * @param [menuId] Optionally get the menu by its id, or side.
     * @return Returns true if the specified menu is currently open, otherwise false.
     * If the menuId is not specified, it returns true if ANY menu is currenly open.
     */
    isOpen(menuId) {
        return _ionic_core__WEBPACK_IMPORTED_MODULE_0__.menuController.isOpen(menuId);
    }
    /**
     * @param [menuId]  Optionally get the menu by its id, or side.
     * @return Returns true if the menu is currently enabled, otherwise false.
     */
    isEnabled(menuId) {
        return _ionic_core__WEBPACK_IMPORTED_MODULE_0__.menuController.isEnabled(menuId);
    }
    /**
     * Used to get a menu instance. If a `menuId` is not provided then it'll
     * return the first menu found. If a `menuId` is `left` or `right`, then
     * it'll return the enabled menu on that side. Otherwise, if a `menuId` is
     * provided, then it'll try to find the menu using the menu's `id`
     * property. If a menu is not found then it'll return `null`.
     * @param [menuId]  Optionally get the menu by its id, or side.
     * @return Returns the instance of the menu if found, otherwise `null`.
     */
    get(menuId) {
        return _ionic_core__WEBPACK_IMPORTED_MODULE_0__.menuController.get(menuId);
    }
    /**
     * @return Returns the instance of the menu already opened, otherwise `null`.
     */
    getOpen() {
        return _ionic_core__WEBPACK_IMPORTED_MODULE_0__.menuController.getOpen();
    }
    /**
     * @return Returns an array of all menu instances.
     */
    getMenus() {
        return _ionic_core__WEBPACK_IMPORTED_MODULE_0__.menuController.getMenus();
    }
};
MenuController.ɵfac = function MenuController_Factory(t) { return new (t || MenuController)(); };
MenuController.ɵprov = /*@__PURE__*/ _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵdefineInjectable"]({ token: MenuController, factory: function (t) { return MenuController.ɵfac(t); }, providedIn: 'root' });
MenuController.ngInjectableDef = (0,_angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵdefineInjectable"])({ factory: function MenuController_Factory() { return new MenuController(); }, token: MenuController, providedIn: "root" });

let PickerController = class PickerController extends OverlayBaseController {
    constructor() {
        super(_ionic_core__WEBPACK_IMPORTED_MODULE_0__.pickerController);
    }
};
PickerController.ɵfac = function PickerController_Factory(t) { return new (t || PickerController)(); };
PickerController.ɵprov = /*@__PURE__*/ _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵdefineInjectable"]({ token: PickerController, factory: function (t) { return PickerController.ɵfac(t); }, providedIn: 'root' });
PickerController.ngInjectableDef = (0,_angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵdefineInjectable"])({ factory: function PickerController_Factory() { return new PickerController(); }, token: PickerController, providedIn: "root" });

let ModalController = class ModalController extends OverlayBaseController {
    constructor(angularDelegate, resolver, injector) {
        super(_ionic_core__WEBPACK_IMPORTED_MODULE_0__.modalController);
        this.angularDelegate = angularDelegate;
        this.resolver = resolver;
        this.injector = injector;
    }
    create(opts) {
        return super.create(Object.assign({}, opts, { delegate: this.angularDelegate.create(this.resolver, this.injector) }));
    }
};
ModalController.ɵfac = function ModalController_Factory(t) { return new (t || ModalController)(_angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵinject"](AngularDelegate), _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵinject"](_angular_core__WEBPACK_IMPORTED_MODULE_3__.ComponentFactoryResolver), _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵinject"](_angular_core__WEBPACK_IMPORTED_MODULE_3__.Injector)); };
ModalController.ɵprov = /*@__PURE__*/ _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵdefineInjectable"]({ token: ModalController, factory: function (t) { return ModalController.ɵfac(t); } });
ModalController.ctorParameters = () => [
    { type: AngularDelegate },
    { type: _angular_core__WEBPACK_IMPORTED_MODULE_3__.ComponentFactoryResolver },
    { type: _angular_core__WEBPACK_IMPORTED_MODULE_3__.Injector }
];

let PopoverController = class PopoverController extends OverlayBaseController {
    constructor(angularDelegate, resolver, injector) {
        super(_ionic_core__WEBPACK_IMPORTED_MODULE_0__.popoverController);
        this.angularDelegate = angularDelegate;
        this.resolver = resolver;
        this.injector = injector;
    }
    create(opts) {
        return super.create(Object.assign({}, opts, { delegate: this.angularDelegate.create(this.resolver, this.injector) }));
    }
};
PopoverController.ɵfac = function PopoverController_Factory(t) { return new (t || PopoverController)(_angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵinject"](AngularDelegate), _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵinject"](_angular_core__WEBPACK_IMPORTED_MODULE_3__.ComponentFactoryResolver), _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵinject"](_angular_core__WEBPACK_IMPORTED_MODULE_3__.Injector)); };
PopoverController.ɵprov = /*@__PURE__*/ _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵdefineInjectable"]({ token: PopoverController, factory: function (t) { return PopoverController.ɵfac(t); } });
PopoverController.ctorParameters = () => [
    { type: AngularDelegate },
    { type: _angular_core__WEBPACK_IMPORTED_MODULE_3__.ComponentFactoryResolver },
    { type: _angular_core__WEBPACK_IMPORTED_MODULE_3__.Injector }
];

let ToastController = class ToastController extends OverlayBaseController {
    constructor() {
        super(_ionic_core__WEBPACK_IMPORTED_MODULE_0__.toastController);
    }
};
ToastController.ɵfac = function ToastController_Factory(t) { return new (t || ToastController)(); };
ToastController.ɵprov = /*@__PURE__*/ _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵdefineInjectable"]({ token: ToastController, factory: function (t) { return ToastController.ɵfac(t); }, providedIn: 'root' });
ToastController.ngInjectableDef = (0,_angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵdefineInjectable"])({ factory: function ToastController_Factory() { return new ToastController(); }, token: ToastController, providedIn: "root" });

let DomController = class DomController {
    /**
     * Schedules a task to run during the READ phase of the next frame.
     * This task should only read the DOM, but never modify it.
     */
    read(cb) {
        getQueue().read(cb);
    }
    /**
     * Schedules a task to run during the WRITE phase of the next frame.
     * This task should write the DOM, but never READ it.
     */
    write(cb) {
        getQueue().write(cb);
    }
};
DomController.ɵfac = function DomController_Factory(t) { return new (t || DomController)(); };
DomController.ɵprov = /*@__PURE__*/ _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵdefineInjectable"]({ token: DomController, factory: function (t) { return DomController.ɵfac(t); }, providedIn: 'root' });
DomController.ngInjectableDef = (0,_angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵdefineInjectable"])({ factory: function DomController_Factory() { return new DomController(); }, token: DomController, providedIn: "root" });
const getQueue = () => {
    const win = typeof window !== 'undefined' ? window : null;
    if (win != null) {
        const Ionic = win.Ionic;
        if (Ionic && Ionic.queue) {
            return Ionic.queue;
        }
        return {
            read: (cb) => win.requestAnimationFrame(cb),
            write: (cb) => win.requestAnimationFrame(cb)
        };
    }
    return {
        read: (cb) => cb(),
        write: (cb) => cb()
    };
};
const ɵ0$8 = getQueue;

let AnimationController = class AnimationController {
    /**
     * Create a new animation
     */
    create(animationId) {
        return (0,_ionic_core__WEBPACK_IMPORTED_MODULE_0__.createAnimation)(animationId);
    }
    /**
     * EXPERIMENTAL
     *
     * Given a progression and a cubic bezier function,
     * this utility returns the time value(s) at which the
     * cubic bezier reaches the given time progression.
     *
     * If the cubic bezier never reaches the progression
     * the result will be an empty array.
     *
     * This is most useful for switching between easing curves
     * when doing a gesture animation (i.e. going from linear easing
     * during a drag, to another easing when `progressEnd` is called)
     */
    easingTime(p0, p1, p2, p3, progression) {
        return (0,_ionic_core__WEBPACK_IMPORTED_MODULE_0__.getTimeGivenProgression)(p0, p1, p2, p3, progression);
    }
};
AnimationController.ɵfac = function AnimationController_Factory(t) { return new (t || AnimationController)(); };
AnimationController.ɵprov = /*@__PURE__*/ _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵdefineInjectable"]({ token: AnimationController, factory: function (t) { return AnimationController.ɵfac(t); }, providedIn: 'root' });
AnimationController.ngInjectableDef = (0,_angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵdefineInjectable"])({ factory: function AnimationController_Factory() { return new AnimationController(); }, token: AnimationController, providedIn: "root" });

let GestureController = class GestureController {
    constructor(zone) {
        this.zone = zone;
    }
    /**
     * Create a new gesture
     */
    create(opts, runInsideAngularZone = false) {
        if (runInsideAngularZone) {
            Object.getOwnPropertyNames(opts).forEach(key => {
                if (typeof opts[key] === 'function') {
                    const fn = opts[key];
                    opts[key] = (...props) => this.zone.run(() => fn(...props));
                }
            });
        }
        return (0,_ionic_core__WEBPACK_IMPORTED_MODULE_0__.createGesture)(opts);
    }
};
GestureController.ɵfac = function GestureController_Factory(t) { return new (t || GestureController)(_angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵinject"](_angular_core__WEBPACK_IMPORTED_MODULE_3__.NgZone)); };
GestureController.ɵprov = /*@__PURE__*/ _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵdefineInjectable"]({ token: GestureController, factory: function (t) { return GestureController.ɵfac(t); }, providedIn: 'root' });
GestureController.ctorParameters = () => [
    { type: _angular_core__WEBPACK_IMPORTED_MODULE_3__.NgZone }
];
GestureController.ngInjectableDef = (0,_angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵdefineInjectable"])({ factory: function GestureController_Factory() { return new GestureController((0,_angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵinject"])(_angular_core__WEBPACK_IMPORTED_MODULE_3__.NgZone)); }, token: GestureController, providedIn: "root" });

class IonicRouteStrategy {
    shouldDetach(_route) {
        return false;
    }
    shouldAttach(_route) {
        return false;
    }
    store(_route, _detachedTree) {
        return;
    }
    retrieve(_route) {
        return null;
    }
    shouldReuseRoute(future, curr) {
        if (future.routeConfig !== curr.routeConfig) {
            return false;
        }
        // checking router params
        const futureParams = future.params;
        const currentParams = curr.params;
        const keysA = Object.keys(futureParams);
        const keysB = Object.keys(currentParams);
        if (keysA.length !== keysB.length) {
            return false;
        }
        // Test for A's keys different from B.
        for (const key of keysA) {
            if (currentParams[key] !== futureParams[key]) {
                return false;
            }
        }
        return true;
    }
}

const appInitialize = (config, doc, zone) => {
    return () => {
        const win = doc.defaultView;
        if (win && typeof window !== 'undefined') {
            const Ionic = win.Ionic = win.Ionic || {};
            Ionic.config = Object.assign({}, config, { _zoneGate: (h) => zone.run(h) });
            const aelFn = '__zone_symbol__addEventListener' in doc.body
                ? '__zone_symbol__addEventListener'
                : 'addEventListener';
            return (0,_ionic_core_loader__WEBPACK_IMPORTED_MODULE_1__.applyPolyfills)().then(() => {
                return (0,_ionic_core_loader__WEBPACK_IMPORTED_MODULE_1__.defineCustomElements)(win, {
                    exclude: ['ion-tabs', 'ion-tab'],
                    syncQueue: true,
                    raf,
                    jmp: (h) => zone.runOutsideAngular(h),
                    ael(elm, eventName, cb, opts) {
                        elm[aelFn](eventName, cb, opts);
                    },
                    rel(elm, eventName, cb, opts) {
                        elm.removeEventListener(eventName, cb, opts);
                    }
                });
            });
        }
    };
};

var IonicModule_1;
const DECLARATIONS = [
    // proxies
    IonApp,
    IonAvatar,
    IonBackButton,
    IonBackdrop,
    IonBadge,
    IonButton,
    IonButtons,
    IonCard,
    IonCardContent,
    IonCardHeader,
    IonCardSubtitle,
    IonCardTitle,
    IonCheckbox,
    IonChip,
    IonCol,
    IonContent,
    IonDatetime,
    IonFab,
    IonFabButton,
    IonFabList,
    IonFooter,
    IonGrid,
    IonHeader,
    IonIcon,
    IonImg,
    IonInfiniteScroll,
    IonInfiniteScrollContent,
    IonInput,
    IonItem,
    IonItemDivider,
    IonItemGroup,
    IonItemOption,
    IonItemOptions,
    IonItemSliding,
    IonLabel,
    IonList,
    IonListHeader,
    IonMenu,
    IonMenuButton,
    IonMenuToggle,
    IonNav,
    IonNavLink,
    IonNote,
    IonProgressBar,
    IonRadio,
    IonRadioGroup,
    IonRange,
    IonRefresher,
    IonRefresherContent,
    IonReorder,
    IonReorderGroup,
    IonRippleEffect,
    IonRow,
    IonSearchbar,
    IonSegment,
    IonSegmentButton,
    IonSelect,
    IonSelectOption,
    IonSkeletonText,
    IonSlide,
    IonSlides,
    IonSpinner,
    IonSplitPane,
    IonTabBar,
    IonTabButton,
    IonText,
    IonTextarea,
    IonThumbnail,
    IonToggle,
    IonToolbar,
    IonTitle,
    IonTabs,
    // ngModel accessors
    BooleanValueAccessor,
    NumericValueAccessor,
    RadioValueAccessor,
    SelectValueAccessor,
    TextValueAccessor,
    // navigation
    IonRouterOutlet,
    IonBackButtonDelegate,
    NavDelegate,
    RouterLinkDelegate,
    // virtual scroll
    VirtualFooter,
    VirtualHeader,
    VirtualItem,
    IonVirtualScroll
];
let IonicModule = IonicModule_1 = class IonicModule {
    static forRoot(config) {
        return {
            ngModule: IonicModule_1,
            providers: [
                {
                    provide: ConfigToken,
                    useValue: config
                },
                {
                    provide: _angular_core__WEBPACK_IMPORTED_MODULE_3__.APP_INITIALIZER,
                    useFactory: appInitialize,
                    multi: true,
                    deps: [
                        ConfigToken,
                        _angular_common__WEBPACK_IMPORTED_MODULE_6__.DOCUMENT,
                        _angular_core__WEBPACK_IMPORTED_MODULE_3__.NgZone
                    ]
                }
            ]
        };
    }
};
IonicModule.ɵfac = function IonicModule_Factory(t) { return new (t || IonicModule)(); };
IonicModule.ɵmod = /*@__PURE__*/ _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵdefineNgModule"]({ type: IonicModule });
IonicModule.ɵinj = /*@__PURE__*/ _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵdefineInjector"]({ providers: [AngularDelegate, ModalController, PopoverController], imports: [[_angular_common__WEBPACK_IMPORTED_MODULE_6__.CommonModule]] });

(function () { (typeof ngDevMode === "undefined" || ngDevMode) && _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵsetClassMetadata"](BooleanValueAccessor, [{
        type: _angular_core__WEBPACK_IMPORTED_MODULE_3__.Directive,
        args: [{
                /* tslint:disable-next-line:directive-selector */
                selector: 'ion-checkbox,ion-toggle',
                providers: [
                    {
                        provide: _angular_forms__WEBPACK_IMPORTED_MODULE_2__.NG_VALUE_ACCESSOR,
                        useExisting: BooleanValueAccessor_1,
                        multi: true
                    }
                ]
            }]
    }], function () { return [{ type: _angular_core__WEBPACK_IMPORTED_MODULE_3__.Injector }, { type: _angular_core__WEBPACK_IMPORTED_MODULE_3__.ElementRef }]; }, { _handleIonChange: [{
            type: _angular_core__WEBPACK_IMPORTED_MODULE_3__.HostListener,
            args: ['ionChange', ['$event.target']]
        }] }); })();
(function () { (typeof ngDevMode === "undefined" || ngDevMode) && _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵsetClassMetadata"](NumericValueAccessor, [{
        type: _angular_core__WEBPACK_IMPORTED_MODULE_3__.Directive,
        args: [{
                /* tslint:disable-next-line:directive-selector */
                selector: 'ion-input[type=number]',
                providers: [
                    {
                        provide: _angular_forms__WEBPACK_IMPORTED_MODULE_2__.NG_VALUE_ACCESSOR,
                        useExisting: NumericValueAccessor_1,
                        multi: true
                    }
                ]
            }]
    }], function () { return [{ type: _angular_core__WEBPACK_IMPORTED_MODULE_3__.Injector }, { type: _angular_core__WEBPACK_IMPORTED_MODULE_3__.ElementRef }]; }, { _handleIonChange: [{
            type: _angular_core__WEBPACK_IMPORTED_MODULE_3__.HostListener,
            args: ['ionChange', ['$event.target']]
        }] }); })();
(function () { (typeof ngDevMode === "undefined" || ngDevMode) && _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵsetClassMetadata"](RadioValueAccessor, [{
        type: _angular_core__WEBPACK_IMPORTED_MODULE_3__.Directive,
        args: [{
                /* tslint:disable-next-line:directive-selector */
                selector: 'ion-radio',
                providers: [
                    {
                        provide: _angular_forms__WEBPACK_IMPORTED_MODULE_2__.NG_VALUE_ACCESSOR,
                        useExisting: RadioValueAccessor_1,
                        multi: true
                    }
                ]
            }]
    }], function () { return [{ type: _angular_core__WEBPACK_IMPORTED_MODULE_3__.Injector }, { type: _angular_core__WEBPACK_IMPORTED_MODULE_3__.ElementRef }]; }, { _handleIonSelect: [{
            type: _angular_core__WEBPACK_IMPORTED_MODULE_3__.HostListener,
            args: ['ionSelect', ['$event.target']]
        }] }); })();
(function () { (typeof ngDevMode === "undefined" || ngDevMode) && _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵsetClassMetadata"](SelectValueAccessor, [{
        type: _angular_core__WEBPACK_IMPORTED_MODULE_3__.Directive,
        args: [{
                /* tslint:disable-next-line:directive-selector */
                selector: 'ion-range, ion-select, ion-radio-group, ion-segment, ion-datetime',
                providers: [
                    {
                        provide: _angular_forms__WEBPACK_IMPORTED_MODULE_2__.NG_VALUE_ACCESSOR,
                        useExisting: SelectValueAccessor_1,
                        multi: true
                    }
                ]
            }]
    }], function () { return [{ type: _angular_core__WEBPACK_IMPORTED_MODULE_3__.Injector }, { type: _angular_core__WEBPACK_IMPORTED_MODULE_3__.ElementRef }]; }, { _handleChangeEvent: [{
            type: _angular_core__WEBPACK_IMPORTED_MODULE_3__.HostListener,
            args: ['ionChange', ['$event.target']]
        }] }); })();
(function () { (typeof ngDevMode === "undefined" || ngDevMode) && _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵsetClassMetadata"](TextValueAccessor, [{
        type: _angular_core__WEBPACK_IMPORTED_MODULE_3__.Directive,
        args: [{
                /* tslint:disable-next-line:directive-selector */
                selector: 'ion-input:not([type=number]),ion-textarea,ion-searchbar',
                providers: [
                    {
                        provide: _angular_forms__WEBPACK_IMPORTED_MODULE_2__.NG_VALUE_ACCESSOR,
                        useExisting: TextValueAccessor_1,
                        multi: true
                    }
                ]
            }]
    }], function () { return [{ type: _angular_core__WEBPACK_IMPORTED_MODULE_3__.Injector }, { type: _angular_core__WEBPACK_IMPORTED_MODULE_3__.ElementRef }]; }, { _handleInputEvent: [{
            type: _angular_core__WEBPACK_IMPORTED_MODULE_3__.HostListener,
            args: ['ionChange', ['$event.target']]
        }] }); })();
(function () { (typeof ngDevMode === "undefined" || ngDevMode) && _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵsetClassMetadata"](Platform, [{
        type: _angular_core__WEBPACK_IMPORTED_MODULE_3__.Injectable,
        args: [{
                providedIn: 'root'
            }]
    }], function () { return [{ type: undefined, decorators: [{
                type: _angular_core__WEBPACK_IMPORTED_MODULE_3__.Inject,
                args: [_angular_common__WEBPACK_IMPORTED_MODULE_6__.DOCUMENT]
            }] }, { type: _angular_core__WEBPACK_IMPORTED_MODULE_3__.NgZone }]; }, null); })();
(function () { (typeof ngDevMode === "undefined" || ngDevMode) && _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵsetClassMetadata"](NavController, [{
        type: _angular_core__WEBPACK_IMPORTED_MODULE_3__.Injectable,
        args: [{
                providedIn: 'root'
            }]
    }], function () { return [{ type: Platform }, { type: _angular_common__WEBPACK_IMPORTED_MODULE_6__.Location }, { type: _angular_router__WEBPACK_IMPORTED_MODULE_7__.UrlSerializer }, { type: _angular_router__WEBPACK_IMPORTED_MODULE_7__.Router, decorators: [{
                type: _angular_core__WEBPACK_IMPORTED_MODULE_3__.Optional
            }] }]; }, null); })();
(function () { (typeof ngDevMode === "undefined" || ngDevMode) && _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵsetClassMetadata"](IonApp, [{
        type: _angular_core__WEBPACK_IMPORTED_MODULE_3__.Component,
        args: [{ selector: "ion-app", changeDetection: _angular_core__WEBPACK_IMPORTED_MODULE_3__.ChangeDetectionStrategy.OnPush, template: "<ng-content></ng-content>" }]
    }], function () { return [{ type: _angular_core__WEBPACK_IMPORTED_MODULE_3__.ChangeDetectorRef }, { type: _angular_core__WEBPACK_IMPORTED_MODULE_3__.ElementRef }, { type: _angular_core__WEBPACK_IMPORTED_MODULE_3__.NgZone }]; }, null); })();
(function () { (typeof ngDevMode === "undefined" || ngDevMode) && _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵsetClassMetadata"](IonAvatar, [{
        type: _angular_core__WEBPACK_IMPORTED_MODULE_3__.Component,
        args: [{ selector: "ion-avatar", changeDetection: _angular_core__WEBPACK_IMPORTED_MODULE_3__.ChangeDetectionStrategy.OnPush, template: "<ng-content></ng-content>" }]
    }], function () { return [{ type: _angular_core__WEBPACK_IMPORTED_MODULE_3__.ChangeDetectorRef }, { type: _angular_core__WEBPACK_IMPORTED_MODULE_3__.ElementRef }, { type: _angular_core__WEBPACK_IMPORTED_MODULE_3__.NgZone }]; }, null); })();
(function () { (typeof ngDevMode === "undefined" || ngDevMode) && _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵsetClassMetadata"](IonBackButton, [{
        type: _angular_core__WEBPACK_IMPORTED_MODULE_3__.Component,
        args: [{ selector: "ion-back-button", changeDetection: _angular_core__WEBPACK_IMPORTED_MODULE_3__.ChangeDetectionStrategy.OnPush, template: "<ng-content></ng-content>", inputs: ["color", "defaultHref", "disabled", "icon", "mode", "routerAnimation", "text", "type"] }]
    }], function () { return [{ type: _angular_core__WEBPACK_IMPORTED_MODULE_3__.ChangeDetectorRef }, { type: _angular_core__WEBPACK_IMPORTED_MODULE_3__.ElementRef }, { type: _angular_core__WEBPACK_IMPORTED_MODULE_3__.NgZone }]; }, null); })();
(function () { (typeof ngDevMode === "undefined" || ngDevMode) && _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵsetClassMetadata"](IonBackdrop, [{
        type: _angular_core__WEBPACK_IMPORTED_MODULE_3__.Component,
        args: [{ selector: "ion-backdrop", changeDetection: _angular_core__WEBPACK_IMPORTED_MODULE_3__.ChangeDetectionStrategy.OnPush, template: "<ng-content></ng-content>", inputs: ["stopPropagation", "tappable", "visible"] }]
    }], function () { return [{ type: _angular_core__WEBPACK_IMPORTED_MODULE_3__.ChangeDetectorRef }, { type: _angular_core__WEBPACK_IMPORTED_MODULE_3__.ElementRef }, { type: _angular_core__WEBPACK_IMPORTED_MODULE_3__.NgZone }]; }, null); })();
(function () { (typeof ngDevMode === "undefined" || ngDevMode) && _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵsetClassMetadata"](IonBadge, [{
        type: _angular_core__WEBPACK_IMPORTED_MODULE_3__.Component,
        args: [{ selector: "ion-badge", changeDetection: _angular_core__WEBPACK_IMPORTED_MODULE_3__.ChangeDetectionStrategy.OnPush, template: "<ng-content></ng-content>", inputs: ["color", "mode"] }]
    }], function () { return [{ type: _angular_core__WEBPACK_IMPORTED_MODULE_3__.ChangeDetectorRef }, { type: _angular_core__WEBPACK_IMPORTED_MODULE_3__.ElementRef }, { type: _angular_core__WEBPACK_IMPORTED_MODULE_3__.NgZone }]; }, null); })();
(function () { (typeof ngDevMode === "undefined" || ngDevMode) && _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵsetClassMetadata"](IonButton, [{
        type: _angular_core__WEBPACK_IMPORTED_MODULE_3__.Component,
        args: [{ selector: "ion-button", changeDetection: _angular_core__WEBPACK_IMPORTED_MODULE_3__.ChangeDetectionStrategy.OnPush, template: "<ng-content></ng-content>", inputs: ["buttonType", "color", "disabled", "download", "expand", "fill", "href", "mode", "rel", "routerAnimation", "routerDirection", "shape", "size", "strong", "target", "type"] }]
    }], function () { return [{ type: _angular_core__WEBPACK_IMPORTED_MODULE_3__.ChangeDetectorRef }, { type: _angular_core__WEBPACK_IMPORTED_MODULE_3__.ElementRef }, { type: _angular_core__WEBPACK_IMPORTED_MODULE_3__.NgZone }]; }, null); })();
(function () { (typeof ngDevMode === "undefined" || ngDevMode) && _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵsetClassMetadata"](IonButtons, [{
        type: _angular_core__WEBPACK_IMPORTED_MODULE_3__.Component,
        args: [{ selector: "ion-buttons", changeDetection: _angular_core__WEBPACK_IMPORTED_MODULE_3__.ChangeDetectionStrategy.OnPush, template: "<ng-content></ng-content>", inputs: ["collapse"] }]
    }], function () { return [{ type: _angular_core__WEBPACK_IMPORTED_MODULE_3__.ChangeDetectorRef }, { type: _angular_core__WEBPACK_IMPORTED_MODULE_3__.ElementRef }, { type: _angular_core__WEBPACK_IMPORTED_MODULE_3__.NgZone }]; }, null); })();
(function () { (typeof ngDevMode === "undefined" || ngDevMode) && _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵsetClassMetadata"](IonCard, [{
        type: _angular_core__WEBPACK_IMPORTED_MODULE_3__.Component,
        args: [{ selector: "ion-card", changeDetection: _angular_core__WEBPACK_IMPORTED_MODULE_3__.ChangeDetectionStrategy.OnPush, template: "<ng-content></ng-content>", inputs: ["button", "color", "disabled", "download", "href", "mode", "rel", "routerAnimation", "routerDirection", "target", "type"] }]
    }], function () { return [{ type: _angular_core__WEBPACK_IMPORTED_MODULE_3__.ChangeDetectorRef }, { type: _angular_core__WEBPACK_IMPORTED_MODULE_3__.ElementRef }, { type: _angular_core__WEBPACK_IMPORTED_MODULE_3__.NgZone }]; }, null); })();
(function () { (typeof ngDevMode === "undefined" || ngDevMode) && _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵsetClassMetadata"](IonCardContent, [{
        type: _angular_core__WEBPACK_IMPORTED_MODULE_3__.Component,
        args: [{ selector: "ion-card-content", changeDetection: _angular_core__WEBPACK_IMPORTED_MODULE_3__.ChangeDetectionStrategy.OnPush, template: "<ng-content></ng-content>", inputs: ["mode"] }]
    }], function () { return [{ type: _angular_core__WEBPACK_IMPORTED_MODULE_3__.ChangeDetectorRef }, { type: _angular_core__WEBPACK_IMPORTED_MODULE_3__.ElementRef }, { type: _angular_core__WEBPACK_IMPORTED_MODULE_3__.NgZone }]; }, null); })();
(function () { (typeof ngDevMode === "undefined" || ngDevMode) && _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵsetClassMetadata"](IonCardHeader, [{
        type: _angular_core__WEBPACK_IMPORTED_MODULE_3__.Component,
        args: [{ selector: "ion-card-header", changeDetection: _angular_core__WEBPACK_IMPORTED_MODULE_3__.ChangeDetectionStrategy.OnPush, template: "<ng-content></ng-content>", inputs: ["color", "mode", "translucent"] }]
    }], function () { return [{ type: _angular_core__WEBPACK_IMPORTED_MODULE_3__.ChangeDetectorRef }, { type: _angular_core__WEBPACK_IMPORTED_MODULE_3__.ElementRef }, { type: _angular_core__WEBPACK_IMPORTED_MODULE_3__.NgZone }]; }, null); })();
(function () { (typeof ngDevMode === "undefined" || ngDevMode) && _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵsetClassMetadata"](IonCardSubtitle, [{
        type: _angular_core__WEBPACK_IMPORTED_MODULE_3__.Component,
        args: [{ selector: "ion-card-subtitle", changeDetection: _angular_core__WEBPACK_IMPORTED_MODULE_3__.ChangeDetectionStrategy.OnPush, template: "<ng-content></ng-content>", inputs: ["color", "mode"] }]
    }], function () { return [{ type: _angular_core__WEBPACK_IMPORTED_MODULE_3__.ChangeDetectorRef }, { type: _angular_core__WEBPACK_IMPORTED_MODULE_3__.ElementRef }, { type: _angular_core__WEBPACK_IMPORTED_MODULE_3__.NgZone }]; }, null); })();
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        type: _angular_core__WEBPACK_IMPORTED_MODULE_3__.Component,
        args: [{ selector: "ion-card-title", changeDetection: _angular_core__WEBPACK_IMPORTED_MODULE_3__.ChangeDetectionStrategy.OnPush, template: "<ng-content></ng-content>", inputs: ["color", "mode"] }]
    }], function () { return [{ type: _angular_core__WEBPACK_IMPORTED_MODULE_3__.ChangeDetectorRef }, { type: _angular_core__WEBPACK_IMPORTED_MODULE_3__.ElementRef }, { type: _angular_core__WEBPACK_IMPORTED_MODULE_3__.NgZone }]; }, null); })();
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        type: _angular_core__WEBPACK_IMPORTED_MODULE_3__.Component,
        args: [{ selector: "ion-checkbox", changeDetection: _angular_core__WEBPACK_IMPORTED_MODULE_3__.ChangeDetectionStrategy.OnPush, template: "<ng-content></ng-content>", inputs: ["checked", "color", "disabled", "indeterminate", "mode", "name", "value"] }]
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        type: _angular_core__WEBPACK_IMPORTED_MODULE_3__.Component,
        args: [{ selector: "ion-chip", changeDetection: _angular_core__WEBPACK_IMPORTED_MODULE_3__.ChangeDetectionStrategy.OnPush, template: "<ng-content></ng-content>", inputs: ["color", "disabled", "mode", "outline"] }]
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        type: _angular_core__WEBPACK_IMPORTED_MODULE_3__.Component,
        args: [{ selector: "ion-col", changeDetection: _angular_core__WEBPACK_IMPORTED_MODULE_3__.ChangeDetectionStrategy.OnPush, template: "<ng-content></ng-content>", inputs: ["offset", "offsetLg", "offsetMd", "offsetSm", "offsetXl", "offsetXs", "pull", "pullLg", "pullMd", "pullSm", "pullXl", "pullXs", "push", "pushLg", "pushMd", "pushSm", "pushXl", "pushXs", "size", "sizeLg", "sizeMd", "sizeSm", "sizeXl", "sizeXs"] }]
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        type: _angular_core__WEBPACK_IMPORTED_MODULE_3__.Component,
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            }]
    }], null, null); })();
(function () { (typeof ngDevMode === "undefined" || ngDevMode) && _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵsetClassMetadata"](PickerController, [{
        type: _angular_core__WEBPACK_IMPORTED_MODULE_3__.Injectable,
        args: [{
                providedIn: 'root'
            }]
    }], function () { return []; }, null); })();
(function () { (typeof ngDevMode === "undefined" || ngDevMode) && _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵsetClassMetadata"](ModalController, [{
        type: _angular_core__WEBPACK_IMPORTED_MODULE_3__.Injectable
    }], function () { return [{ type: AngularDelegate }, { type: _angular_core__WEBPACK_IMPORTED_MODULE_3__.ComponentFactoryResolver }, { type: _angular_core__WEBPACK_IMPORTED_MODULE_3__.Injector }]; }, null); })();
(function () { (typeof ngDevMode === "undefined" || ngDevMode) && _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵsetClassMetadata"](PopoverController, [{
        type: _angular_core__WEBPACK_IMPORTED_MODULE_3__.Injectable
    }], function () { return [{ type: AngularDelegate }, { type: _angular_core__WEBPACK_IMPORTED_MODULE_3__.ComponentFactoryResolver }, { type: _angular_core__WEBPACK_IMPORTED_MODULE_3__.Injector }]; }, null); })();
(function () { (typeof ngDevMode === "undefined" || ngDevMode) && _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵsetClassMetadata"](ToastController, [{
        type: _angular_core__WEBPACK_IMPORTED_MODULE_3__.Injectable,
        args: [{
                providedIn: 'root'
            }]
    }], function () { return []; }, null); })();
(function () { (typeof ngDevMode === "undefined" || ngDevMode) && _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵsetClassMetadata"](DomController, [{
        type: _angular_core__WEBPACK_IMPORTED_MODULE_3__.Injectable,
        args: [{
                providedIn: 'root'
            }]
    }], null, null); })();
(function () { (typeof ngDevMode === "undefined" || ngDevMode) && _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵsetClassMetadata"](AnimationController, [{
        type: _angular_core__WEBPACK_IMPORTED_MODULE_3__.Injectable,
        args: [{
                providedIn: 'root'
            }]
    }], null, null); })();
(function () { (typeof ngDevMode === "undefined" || ngDevMode) && _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵsetClassMetadata"](GestureController, [{
        type: _angular_core__WEBPACK_IMPORTED_MODULE_3__.Injectable,
        args: [{
                providedIn: 'root'
            }]
    }], function () { return [{ type: _angular_core__WEBPACK_IMPORTED_MODULE_3__.NgZone }]; }, null); })();
(function () { (typeof ngDevMode === "undefined" || ngDevMode) && _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵsetClassMetadata"](IonicModule, [{
        type: _angular_core__WEBPACK_IMPORTED_MODULE_3__.NgModule,
        args: [{
                declarations: DECLARATIONS,
                exports: DECLARATIONS,
                providers: [AngularDelegate, ModalController, PopoverController],
                imports: [_angular_common__WEBPACK_IMPORTED_MODULE_6__.CommonModule]
            }]
    }], null, null); })();
(function () { (typeof ngJitMode === "undefined" || ngJitMode) && _angular_core__WEBPACK_IMPORTED_MODULE_3__["ɵɵsetNgModuleScope"](IonicModule, { declarations: function () { return [IonApp, IonAvatar, IonBackButton, IonBackdrop, IonBadge, IonButton, IonButtons, IonCard, IonCardContent, IonCardHeader, IonCardSubtitle, IonCardTitle, IonCheckbox, IonChip, IonCol, IonContent, IonDatetime, IonFab, IonFabButton, IonFabList, IonFooter, IonGrid, IonHeader, IonIcon, IonImg, IonInfiniteScroll, IonInfiniteScrollContent, IonInput, IonItem, IonItemDivider, IonItemGroup, IonItemOption, IonItemOptions, IonItemSliding, IonLabel, IonList, IonListHeader, IonMenu, IonMenuButton, IonMenuToggle, IonNav, IonNavLink, IonNote, IonProgressBar, IonRadio, IonRadioGroup, IonRange, IonRefresher, IonRefresherContent, IonReorder, IonReorderGroup, IonRippleEffect, IonRow, IonSearchbar, IonSegment, IonSegmentButton, IonSelect, IonSelectOption, IonSkeletonText, IonSlide, IonSlides, IonSpinner, IonSplitPane, IonTabBar, IonTabButton, IonText, IonTextarea, IonThumbnail, IonToggle, IonToolbar, IonTitle, IonTabs, BooleanValueAccessor, NumericValueAccessor, RadioValueAccessor, SelectValueAccessor, TextValueAccessor, IonRouterOutlet, IonBackButtonDelegate, NavDelegate, RouterLinkDelegate, VirtualFooter, VirtualHeader, VirtualItem, IonVirtualScroll]; }, imports: function () { return [_angular_common__WEBPACK_IMPORTED_MODULE_6__.CommonModule]; }, exports: function () { return [IonApp, IonAvatar, IonBackButton, IonBackdrop, IonBadge, IonButton, IonButtons, IonCard, IonCardContent, IonCardHeader, IonCardSubtitle, IonCardTitle, IonCheckbox, IonChip, IonCol, IonContent, IonDatetime, IonFab, IonFabButton, IonFabList, IonFooter, IonGrid, IonHeader, IonIcon, IonImg, IonInfiniteScroll, IonInfiniteScrollContent, IonInput, IonItem, IonItemDivider, IonItemGroup, IonItemOption, IonItemOptions, IonItemSliding, IonLabel, IonList, IonListHeader, IonMenu, IonMenuButton, IonMenuToggle, IonNav, IonNavLink, IonNote, IonProgressBar, IonRadio, IonRadioGroup, IonRange, IonRefresher, IonRefresherContent, IonReorder, IonReorderGroup, IonRippleEffect, IonRow, IonSearchbar, IonSegment, IonSegmentButton, IonSelect, IonSelectOption, IonSkeletonText, IonSlide, IonSlides, IonSpinner, IonSplitPane, IonTabBar, IonTabButton, IonText, IonTextarea, IonThumbnail, IonToggle, IonToolbar, IonTitle, IonTabs, BooleanValueAccessor, NumericValueAccessor, RadioValueAccessor, SelectValueAccessor, TextValueAccessor, IonRouterOutlet, IonBackButtonDelegate, NavDelegate, RouterLinkDelegate, VirtualFooter, VirtualHeader, VirtualItem, IonVirtualScroll]; } }); })();

// DIRECTIVES

/**
 * Generated bundle index. Do not edit.
 */



//# sourceMappingURL=ionic-angular.js.map

/***/ }),

/***/ 4086:
/*!*****************************************************************!*\
  !*** ./node_modules/@ionic/core/dist/esm/animation-096c6391.js ***!
  \*****************************************************************/
/***/ ((__unused_webpack_module, __webpack_exports__, __webpack_require__) => {

"use strict";
__webpack_require__.r(__webpack_exports__);
/* harmony export */ __webpack_require__.d(__webpack_exports__, {
/* harmony export */   "c": () => (/* binding */ createAnimation)
/* harmony export */ });
/* harmony import */ var _helpers_dd7e4b7b_js__WEBPACK_IMPORTED_MODULE_0__ = __webpack_require__(/*! ./helpers-dd7e4b7b.js */ 2377);


let animationPrefix;
/**
 * Web Animations requires hyphenated CSS properties
 * to be written in camelCase when animating
 */
const processKeyframes = (keyframes) => {
  keyframes.forEach(keyframe => {
    for (const key in keyframe) {
      if (keyframe.hasOwnProperty(key)) {
        const value = keyframe[key];
        if (key === 'easing') {
          const newKey = 'animation-timing-function';
          keyframe[newKey] = value;
          delete keyframe[key];
        }
        else {
          const newKey = convertCamelCaseToHypen(key);
          if (newKey !== key) {
            keyframe[newKey] = value;
            delete keyframe[key];
          }
        }
      }
    }
  });
  return keyframes;
};
const convertCamelCaseToHypen = (str) => {
  return str.replace(/([a-z0-9])([A-Z])/g, '$1-$2').toLowerCase();
};
const getAnimationPrefix = (el) => {
  if (animationPrefix === undefined) {
    const supportsUnprefixed = el.style.animationName !== undefined;
    const supportsWebkitPrefix = el.style.webkitAnimationName !== undefined;
    animationPrefix = (!supportsUnprefixed && supportsWebkitPrefix) ? '-webkit-' : '';
  }
  return animationPrefix;
};
const setStyleProperty = (element, propertyName, value) => {
  const prefix = propertyName.startsWith('animation') ? getAnimationPrefix(element) : '';
  element.style.setProperty(prefix + propertyName, value);
};
const removeStyleProperty = (element, propertyName) => {
  const prefix = propertyName.startsWith('animation') ? getAnimationPrefix(element) : '';
  element.style.removeProperty(prefix + propertyName);
};
const animationEnd = (el, callback) => {
  let unRegTrans;
  const opts = { passive: true };
  const unregister = () => {
    if (unRegTrans) {
      unRegTrans();
    }
  };
  const onTransitionEnd = (ev) => {
    if (el === ev.target) {
      unregister();
      callback(ev);
    }
  };
  if (el) {
    el.addEventListener('webkitAnimationEnd', onTransitionEnd, opts);
    el.addEventListener('animationend', onTransitionEnd, opts);
    unRegTrans = () => {
      el.removeEventListener('webkitAnimationEnd', onTransitionEnd, opts);
      el.removeEventListener('animationend', onTransitionEnd, opts);
    };
  }
  return unregister;
};
const generateKeyframeRules = (keyframes = []) => {
  return keyframes.map(keyframe => {
    const offset = keyframe.offset;
    const frameString = [];
    for (const property in keyframe) {
      if (keyframe.hasOwnProperty(property) && property !== 'offset') {
        frameString.push(`${property}: ${keyframe[property]};`);
      }
    }
    return `${offset * 100}% { ${frameString.join(' ')} }`;
  }).join(' ');
};
const keyframeIds = [];
const generateKeyframeName = (keyframeRules) => {
  let index = keyframeIds.indexOf(keyframeRules);
  if (index < 0) {
    index = (keyframeIds.push(keyframeRules) - 1);
  }
  return `ion-animation-${index}`;
};
const getStyleContainer = (element) => {
  const rootNode = element.getRootNode();
  return (rootNode.head || rootNode);
};
const createKeyframeStylesheet = (keyframeName, keyframeRules, element) => {
  const styleContainer = getStyleContainer(element);
  const keyframePrefix = getAnimationPrefix(element);
  const existingStylesheet = styleContainer.querySelector('#' + keyframeName);
  if (existingStylesheet) {
    return existingStylesheet;
  }
  const stylesheet = (element.ownerDocument || document).createElement('style');
  stylesheet.id = keyframeName;
  stylesheet.textContent = `@${keyframePrefix}keyframes ${keyframeName} { ${keyframeRules} } @${keyframePrefix}keyframes ${keyframeName}-alt { ${keyframeRules} }`;
  styleContainer.appendChild(stylesheet);
  return stylesheet;
};
const addClassToArray = (classes = [], className) => {
  if (className !== undefined) {
    const classNameToAppend = (Array.isArray(className)) ? className : [className];
    return [...classes, ...classNameToAppend];
  }
  return classes;
};

const createAnimation = (animationId) => {
  let _delay;
  let _duration;
  let _easing;
  let _iterations;
  let _fill;
  let _direction;
  let _keyframes = [];
  let beforeAddClasses = [];
  let beforeRemoveClasses = [];
  let initialized = false;
  let parentAnimation;
  let beforeStylesValue = {};
  let afterAddClasses = [];
  let afterRemoveClasses = [];
  let afterStylesValue = {};
  let numAnimationsRunning = 0;
  let shouldForceLinearEasing = false;
  let shouldForceSyncPlayback = false;
  let cssAnimationsTimerFallback;
  let forceDirectionValue;
  let forceDurationValue;
  let forceDelayValue;
  let willComplete = true;
  let finished = false;
  let shouldCalculateNumAnimations = true;
  let keyframeName;
  let ani;
  const id = animationId;
  const onFinishCallbacks = [];
  const onFinishOneTimeCallbacks = [];
  const elements = [];
  const childAnimations = [];
  const stylesheets = [];
  const _beforeAddReadFunctions = [];
  const _beforeAddWriteFunctions = [];
  const _afterAddReadFunctions = [];
  const _afterAddWriteFunctions = [];
  const webAnimations = [];
  const supportsAnimationEffect = (typeof AnimationEffect === 'function' || typeof window.AnimationEffect === 'function');
  const supportsWebAnimations = (typeof Element === 'function') && (typeof Element.prototype.animate === 'function') && supportsAnimationEffect;
  const ANIMATION_END_FALLBACK_PADDING_MS = 100;
  const getWebAnimations = () => {
    return webAnimations;
  };
  const destroy = (clearStyleSheets) => {
    childAnimations.forEach(childAnimation => {
      childAnimation.destroy(clearStyleSheets);
    });
    cleanUp(clearStyleSheets);
    elements.length = 0;
    childAnimations.length = 0;
    _keyframes.length = 0;
    clearOnFinish();
    initialized = false;
    shouldCalculateNumAnimations = true;
    return ani;
  };
  /**
   * Cancels any Web Animations, removes
   * any animation properties from the
   * animation's elements, and removes the
   * animation's stylesheets from the DOM.
   */
  const cleanUp = (clearStyleSheets) => {
    cleanUpElements();
    if (clearStyleSheets) {
      cleanUpStyleSheets();
    }
  };
  const resetFlags = () => {
    shouldForceLinearEasing = false;
    shouldForceSyncPlayback = false;
    shouldCalculateNumAnimations = true;
    forceDirectionValue = undefined;
    forceDurationValue = undefined;
    forceDelayValue = undefined;
    numAnimationsRunning = 0;
    finished = false;
    willComplete = true;
  };
  const onFinish = (callback, opts) => {
    const callbacks = (opts && opts.oneTimeCallback) ? onFinishOneTimeCallbacks : onFinishCallbacks;
    callbacks.push({ c: callback, o: opts });
    return ani;
  };
  const clearOnFinish = () => {
    onFinishCallbacks.length = 0;
    onFinishOneTimeCallbacks.length = 0;
    return ani;
  };
  /**
   * Cancels any Web Animations and removes
   * any animation properties from the
   * the animation's elements.
   */
  const cleanUpElements = () => {
    if (supportsWebAnimations) {
      webAnimations.forEach(animation => {
        animation.cancel();
      });
      webAnimations.length = 0;
    }
    else {
      const elementsArray = elements.slice();
      (0,_helpers_dd7e4b7b_js__WEBPACK_IMPORTED_MODULE_0__.r)(() => {
        elementsArray.forEach(element => {
          removeStyleProperty(element, 'animation-name');
          removeStyleProperty(element, 'animation-duration');
          removeStyleProperty(element, 'animation-timing-function');
          removeStyleProperty(element, 'animation-iteration-count');
          removeStyleProperty(element, 'animation-delay');
          removeStyleProperty(element, 'animation-play-state');
          removeStyleProperty(element, 'animation-fill-mode');
          removeStyleProperty(element, 'animation-direction');
        });
      });
    }
  };
  /**
   * Removes the animation's stylesheets
   * from the DOM.
   */
  const cleanUpStyleSheets = () => {
    stylesheets.forEach(stylesheet => {
      /**
       * When sharing stylesheets, it's possible
       * for another animation to have already
       * cleaned up a particular stylesheet
       */
      if (stylesheet && stylesheet.parentNode) {
        stylesheet.parentNode.removeChild(stylesheet);
      }
    });
    stylesheets.length = 0;
  };
  const beforeAddRead = (readFn) => {
    _beforeAddReadFunctions.push(readFn);
    return ani;
  };
  const beforeAddWrite = (writeFn) => {
    _beforeAddWriteFunctions.push(writeFn);
    return ani;
  };
  const afterAddRead = (readFn) => {
    _afterAddReadFunctions.push(readFn);
    return ani;
  };
  const afterAddWrite = (writeFn) => {
    _afterAddWriteFunctions.push(writeFn);
    return ani;
  };
  const beforeAddClass = (className) => {
    beforeAddClasses = addClassToArray(beforeAddClasses, className);
    return ani;
  };
  const beforeRemoveClass = (className) => {
    beforeRemoveClasses = addClassToArray(beforeRemoveClasses, className);
    return ani;
  };
  /**
   * Set CSS inline styles to the animation's
   * elements before the animation begins.
   */
  const beforeStyles = (styles = {}) => {
    beforeStylesValue = styles;
    return ani;
  };
  /**
   * Clear CSS inline styles from the animation's
   * elements before the animation begins.
   */
  const beforeClearStyles = (propertyNames = []) => {
    for (const property of propertyNames) {
      beforeStylesValue[property] = '';
    }
    return ani;
  };
  const afterAddClass = (className) => {
    afterAddClasses = addClassToArray(afterAddClasses, className);
    return ani;
  };
  const afterRemoveClass = (className) => {
    afterRemoveClasses = addClassToArray(afterRemoveClasses, className);
    return ani;
  };
  const afterStyles = (styles = {}) => {
    afterStylesValue = styles;
    return ani;
  };
  const afterClearStyles = (propertyNames = []) => {
    for (const property of propertyNames) {
      afterStylesValue[property] = '';
    }
    return ani;
  };
  const getFill = () => {
    if (_fill !== undefined) {
      return _fill;
    }
    if (parentAnimation) {
      return parentAnimation.getFill();
    }
    return 'both';
  };
  const getDirection = () => {
    if (forceDirectionValue !== undefined) {
      return forceDirectionValue;
    }
    if (_direction !== undefined) {
      return _direction;
    }
    if (parentAnimation) {
      return parentAnimation.getDirection();
    }
    return 'normal';
  };
  const getEasing = () => {
    if (shouldForceLinearEasing) {
      return 'linear';
    }
    if (_easing !== undefined) {
      return _easing;
    }
    if (parentAnimation) {
      return parentAnimation.getEasing();
    }
    return 'linear';
  };
  const getDuration = () => {
    if (shouldForceSyncPlayback) {
      return 0;
    }
    if (forceDurationValue !== undefined) {
      return forceDurationValue;
    }
    if (_duration !== undefined) {
      return _duration;
    }
    if (parentAnimation) {
      return parentAnimation.getDuration();
    }
    return 0;
  };
  const getIterations = () => {
    if (_iterations !== undefined) {
      return _iterations;
    }
    if (parentAnimation) {
      return parentAnimation.getIterations();
    }
    return 1;
  };
  const getDelay = () => {
    if (forceDelayValue !== undefined) {
      return forceDelayValue;
    }
    if (_delay !== undefined) {
      return _delay;
    }
    if (parentAnimation) {
      return parentAnimation.getDelay();
    }
    return 0;
  };
  const getKeyframes = () => {
    return _keyframes;
  };
  const direction = (animationDirection) => {
    _direction = animationDirection;
    update(true);
    return ani;
  };
  const fill = (animationFill) => {
    _fill = animationFill;
    update(true);
    return ani;
  };
  const delay = (animationDelay) => {
    _delay = animationDelay;
    update(true);
    return ani;
  };
  const easing = (animationEasing) => {
    _easing = animationEasing;
    update(true);
    return ani;
  };
  const duration = (animationDuration) => {
    /**
     * CSS Animation Durations of 0ms work fine on Chrome
     * but do not run on Safari, so force it to 1ms to
     * get it to run on both platforms.
     */
    if (!supportsWebAnimations && animationDuration === 0) {
      animationDuration = 1;
    }
    _duration = animationDuration;
    update(true);
    return ani;
  };
  const iterations = (animationIterations) => {
    _iterations = animationIterations;
    update(true);
    return ani;
  };
  const parent = (animation) => {
    parentAnimation = animation;
    return ani;
  };
  const addElement = (el) => {
    if (el != null) {
      if (el.nodeType === 1) {
        elements.push(el);
      }
      else if (el.length >= 0) {
        for (let i = 0; i < el.length; i++) {
          elements.push(el[i]);
        }
      }
      else {
        console.error('Invalid addElement value');
      }
    }
    return ani;
  };
  const addAnimation = (animationToAdd) => {
    if (animationToAdd != null) {
      if (Array.isArray(animationToAdd)) {
        for (const animation of animationToAdd) {
          animation.parent(ani);
          childAnimations.push(animation);
        }
      }
      else {
        animationToAdd.parent(ani);
        childAnimations.push(animationToAdd);
      }
    }
    return ani;
  };
  const keyframes = (keyframeValues) => {
    _keyframes = keyframeValues;
    return ani;
  };
  /**
   * Run all "before" animation hooks.
   */
  const beforeAnimation = () => {
    // Runs all before read callbacks
    _beforeAddReadFunctions.forEach(callback => callback());
    // Runs all before write callbacks
    _beforeAddWriteFunctions.forEach(callback => callback());
    // Updates styles and classes before animation runs
    const addClasses = beforeAddClasses;
    const removeClasses = beforeRemoveClasses;
    const styles = beforeStylesValue;
    elements.forEach(el => {
      const elementClassList = el.classList;
      addClasses.forEach(c => elementClassList.add(c));
      removeClasses.forEach(c => elementClassList.remove(c));
      for (const property in styles) {
        if (styles.hasOwnProperty(property)) {
          setStyleProperty(el, property, styles[property]);
        }
      }
    });
  };
  /**
   * Run all "after" animation hooks.
   */
  const afterAnimation = () => {
    clearCSSAnimationsTimeout();
    // Runs all after read callbacks
    _afterAddReadFunctions.forEach(callback => callback());
    // Runs all after write callbacks
    _afterAddWriteFunctions.forEach(callback => callback());
    // Updates styles and classes before animation ends
    const currentStep = willComplete ? 1 : 0;
    const addClasses = afterAddClasses;
    const removeClasses = afterRemoveClasses;
    const styles = afterStylesValue;
    elements.forEach(el => {
      const elementClassList = el.classList;
      addClasses.forEach(c => elementClassList.add(c));
      removeClasses.forEach(c => elementClassList.remove(c));
      for (const property in styles) {
        if (styles.hasOwnProperty(property)) {
          setStyleProperty(el, property, styles[property]);
        }
      }
    });
    onFinishCallbacks.forEach(onFinishCallback => {
      return onFinishCallback.c(currentStep, ani);
    });
    onFinishOneTimeCallbacks.forEach(onFinishCallback => {
      return onFinishCallback.c(currentStep, ani);
    });
    onFinishOneTimeCallbacks.length = 0;
    shouldCalculateNumAnimations = true;
    if (willComplete) {
      finished = true;
    }
    willComplete = true;
  };
  const animationFinish = () => {
    if (numAnimationsRunning === 0) {
      return;
    }
    numAnimationsRunning--;
    if (numAnimationsRunning === 0) {
      afterAnimation();
      if (parentAnimation) {
        parentAnimation.animationFinish();
      }
    }
  };
  const initializeCSSAnimation = (toggleAnimationName = true) => {
    cleanUpStyleSheets();
    const processedKeyframes = processKeyframes(_keyframes);
    elements.forEach(element => {
      if (processedKeyframes.length > 0) {
        const keyframeRules = generateKeyframeRules(processedKeyframes);
        keyframeName = (animationId !== undefined) ? animationId : generateKeyframeName(keyframeRules);
        const stylesheet = createKeyframeStylesheet(keyframeName, keyframeRules, element);
        stylesheets.push(stylesheet);
        setStyleProperty(element, 'animation-duration', `${getDuration()}ms`);
        setStyleProperty(element, 'animation-timing-function', getEasing());
        setStyleProperty(element, 'animation-delay', `${getDelay()}ms`);
        setStyleProperty(element, 'animation-fill-mode', getFill());
        setStyleProperty(element, 'animation-direction', getDirection());
        const iterationsCount = (getIterations() === Infinity)
          ? 'infinite'
          : getIterations().toString();
        setStyleProperty(element, 'animation-iteration-count', iterationsCount);
        setStyleProperty(element, 'animation-play-state', 'paused');
        if (toggleAnimationName) {
          setStyleProperty(element, 'animation-name', `${stylesheet.id}-alt`);
        }
        (0,_helpers_dd7e4b7b_js__WEBPACK_IMPORTED_MODULE_0__.r)(() => {
          setStyleProperty(element, 'animation-name', stylesheet.id || null);
        });
      }
    });
  };
  const initializeWebAnimation = () => {
    elements.forEach(element => {
      const animation = element.animate(_keyframes, {
        id,
        delay: getDelay(),
        duration: getDuration(),
        easing: getEasing(),
        iterations: getIterations(),
        fill: getFill(),
        direction: getDirection()
      });
      animation.pause();
      webAnimations.push(animation);
    });
    if (webAnimations.length > 0) {
      webAnimations[0].onfinish = () => {
        animationFinish();
      };
    }
  };
  const initializeAnimation = (toggleAnimationName = true) => {
    beforeAnimation();
    if (_keyframes.length > 0) {
      if (supportsWebAnimations) {
        initializeWebAnimation();
      }
      else {
        initializeCSSAnimation(toggleAnimationName);
      }
    }
    initialized = true;
  };
  const setAnimationStep = (step) => {
    step = Math.min(Math.max(step, 0), 0.9999);
    if (supportsWebAnimations) {
      webAnimations.forEach(animation => {
        animation.currentTime = animation.effect.getComputedTiming().delay + (getDuration() * step);
        animation.pause();
      });
    }
    else {
      const animationDuration = `-${getDuration() * step}ms`;
      elements.forEach(element => {
        if (_keyframes.length > 0) {
          setStyleProperty(element, 'animation-delay', animationDuration);
          setStyleProperty(element, 'animation-play-state', 'paused');
        }
      });
    }
  };
  const updateWebAnimation = (step) => {
    webAnimations.forEach(animation => {
      animation.effect.updateTiming({
        delay: getDelay(),
        duration: getDuration(),
        easing: getEasing(),
        iterations: getIterations(),
        fill: getFill(),
        direction: getDirection()
      });
    });
    if (step !== undefined) {
      setAnimationStep(step);
    }
  };
  const updateCSSAnimation = (toggleAnimationName = true, step) => {
    (0,_helpers_dd7e4b7b_js__WEBPACK_IMPORTED_MODULE_0__.r)(() => {
      elements.forEach(element => {
        setStyleProperty(element, 'animation-name', keyframeName || null);
        setStyleProperty(element, 'animation-duration', `${getDuration()}ms`);
        setStyleProperty(element, 'animation-timing-function', getEasing());
        setStyleProperty(element, 'animation-delay', (step !== undefined) ? `-${step * getDuration()}ms` : `${getDelay()}ms`);
        setStyleProperty(element, 'animation-fill-mode', getFill() || null);
        setStyleProperty(element, 'animation-direction', getDirection() || null);
        const iterationsCount = (getIterations() === Infinity)
          ? 'infinite'
          : getIterations().toString();
        setStyleProperty(element, 'animation-iteration-count', iterationsCount);
        if (toggleAnimationName) {
          setStyleProperty(element, 'animation-name', `${keyframeName}-alt`);
        }
        (0,_helpers_dd7e4b7b_js__WEBPACK_IMPORTED_MODULE_0__.r)(() => {
          setStyleProperty(element, 'animation-name', keyframeName || null);
        });
      });
    });
  };
  const update = (deep = false, toggleAnimationName = true, step) => {
    if (deep) {
      childAnimations.forEach(animation => {
        animation.update(deep, toggleAnimationName, step);
      });
    }
    if (supportsWebAnimations) {
      updateWebAnimation(step);
    }
    else {
      updateCSSAnimation(toggleAnimationName, step);
    }
    return ani;
  };
  const progressStart = (forceLinearEasing = false, step) => {
    childAnimations.forEach(animation => {
      animation.progressStart(forceLinearEasing, step);
    });
    pauseAnimation();
    shouldForceLinearEasing = forceLinearEasing;
    if (!initialized) {
      initializeAnimation();
    }
    else {
      update(false, true, step);
    }
    return ani;
  };
  const progressStep = (step) => {
    childAnimations.forEach(animation => {
      animation.progressStep(step);
    });
    setAnimationStep(step);
    return ani;
  };
  const progressEnd = (playTo, step, dur) => {
    shouldForceLinearEasing = false;
    childAnimations.forEach(animation => {
      animation.progressEnd(playTo, step, dur);
    });
    if (dur !== undefined) {
      forceDurationValue = dur;
    }
    finished = false;
    // tslint:disable-next-line: strict-boolean-conditions
    willComplete = true;
    if (playTo === 0) {
      forceDirectionValue = (getDirection() === 'reverse') ? 'normal' : 'reverse';
      if (forceDirectionValue === 'reverse') {
        willComplete = false;
      }
      if (supportsWebAnimations) {
        update();
        setAnimationStep(1 - step);
      }
      else {
        forceDelayValue = ((1 - step) * getDuration()) * -1;
        update(false, false);
      }
    }
    else if (playTo === 1) {
      if (supportsWebAnimations) {
        update();
        setAnimationStep(step);
      }
      else {
        forceDelayValue = (step * getDuration()) * -1;
        update(false, false);
      }
    }
    if (playTo !== undefined) {
      onFinish(() => {
        forceDurationValue = undefined;
        forceDirectionValue = undefined;
        forceDelayValue = undefined;
      }, {
        oneTimeCallback: true
      });
      if (!parentAnimation) {
        play();
      }
    }
    return ani;
  };
  const pauseAnimation = () => {
    if (initialized) {
      if (supportsWebAnimations) {
        webAnimations.forEach(animation => {
          animation.pause();
        });
      }
      else {
        elements.forEach(element => {
          setStyleProperty(element, 'animation-play-state', 'paused');
        });
      }
    }
  };
  const pause = () => {
    childAnimations.forEach(animation => {
      animation.pause();
    });
    pauseAnimation();
    return ani;
  };
  const onAnimationEndFallback = () => {
    cssAnimationsTimerFallback = undefined;
    animationFinish();
  };
  const clearCSSAnimationsTimeout = () => {
    if (cssAnimationsTimerFallback) {
      clearTimeout(cssAnimationsTimerFallback);
    }
  };
  const playCSSAnimations = () => {
    clearCSSAnimationsTimeout();
    (0,_helpers_dd7e4b7b_js__WEBPACK_IMPORTED_MODULE_0__.r)(() => {
      elements.forEach(element => {
        if (_keyframes.length > 0) {
          setStyleProperty(element, 'animation-play-state', 'running');
        }
      });
    });
    if (_keyframes.length === 0 || elements.length === 0) {
      animationFinish();
    }
    else {
      /**
       * This is a catchall in the event that a CSS Animation did not finish.
       * The Web Animations API has mechanisms in place for preventing this.
       * CSS Animations will not fire an `animationend` event
       * for elements with `display: none`. The Web Animations API
       * accounts for this, but using raw CSS Animations requires
       * this workaround.
       */
      const animationDelay = getDelay() || 0;
      const animationDuration = getDuration() || 0;
      const animationIterations = getIterations() || 1;
      // No need to set a timeout when animation has infinite iterations
      if (isFinite(animationIterations)) {
        cssAnimationsTimerFallback = setTimeout(onAnimationEndFallback, animationDelay + (animationDuration * animationIterations) + ANIMATION_END_FALLBACK_PADDING_MS);
      }
      animationEnd(elements[0], () => {
        clearCSSAnimationsTimeout();
        /**
         * Ensure that clean up
         * is always done a frame
         * before the onFinish handlers
         * are fired. Otherwise, there
         * may be flickering if a new
         * animation is started on the same
         * element too quickly
         *
         * TODO: Is there a cleaner way to do this?
         */
        (0,_helpers_dd7e4b7b_js__WEBPACK_IMPORTED_MODULE_0__.r)(() => {
          clearCSSAnimationPlayState();
          (0,_helpers_dd7e4b7b_js__WEBPACK_IMPORTED_MODULE_0__.r)(animationFinish);
        });
      });
    }
  };
  const clearCSSAnimationPlayState = () => {
    elements.forEach(element => {
      removeStyleProperty(element, 'animation-duration');
      removeStyleProperty(element, 'animation-delay');
      removeStyleProperty(element, 'animation-play-state');
    });
  };
  const playWebAnimations = () => {
    webAnimations.forEach(animation => {
      animation.play();
    });
    if (_keyframes.length === 0 || elements.length === 0) {
      animationFinish();
    }
  };
  const resetAnimation = () => {
    if (supportsWebAnimations) {
      setAnimationStep(0);
      updateWebAnimation();
    }
    else {
      updateCSSAnimation();
    }
  };
  const play = (opts) => {
    return new Promise(resolve => {
      if (opts && opts.sync) {
        shouldForceSyncPlayback = true;
        onFinish(() => shouldForceSyncPlayback = false, { oneTimeCallback: true });
      }
      if (!initialized) {
        initializeAnimation();
      }
      if (finished) {
        resetAnimation();
        finished = false;
      }
      if (shouldCalculateNumAnimations) {
        numAnimationsRunning = childAnimations.length + 1;
        shouldCalculateNumAnimations = false;
      }
      onFinish(() => resolve(), { oneTimeCallback: true });
      childAnimations.forEach(animation => {
        animation.play();
      });
      if (supportsWebAnimations) {
        playWebAnimations();
      }
      else {
        playCSSAnimations();
      }
    });
  };
  const stop = () => {
    childAnimations.forEach(animation => {
      animation.stop();
    });
    if (initialized) {
      cleanUpElements();
      initialized = false;
    }
    resetFlags();
  };
  const from = (property, value) => {
    const firstFrame = _keyframes[0];
    if (firstFrame !== undefined && (firstFrame.offset === undefined || firstFrame.offset === 0)) {
      firstFrame[property] = value;
    }
    else {
      _keyframes = [
        { offset: 0, [property]: value },
        ..._keyframes
      ];
    }
    return ani;
  };
  const to = (property, value) => {
    const lastFrame = _keyframes[_keyframes.length - 1];
    if (lastFrame !== undefined && (lastFrame.offset === undefined || lastFrame.offset === 1)) {
      lastFrame[property] = value;
    }
    else {
      _keyframes = [
        ..._keyframes,
        { offset: 1, [property]: value }
      ];
    }
    return ani;
  };
  const fromTo = (property, fromValue, toValue) => {
    return from(property, fromValue).to(property, toValue);
  };
  return ani = {
    parentAnimation,
    elements,
    childAnimations,
    id,
    animationFinish,
    from,
    to,
    fromTo,
    parent,
    play,
    pause,
    stop,
    destroy,
    keyframes,
    addAnimation,
    addElement,
    update,
    fill,
    direction,
    iterations,
    duration,
    easing,
    delay,
    getWebAnimations,
    getKeyframes,
    getFill,
    getDirection,
    getDelay,
    getIterations,
    getEasing,
    getDuration,
    afterAddRead,
    afterAddWrite,
    afterClearStyles,
    afterStyles,
    afterRemoveClass,
    afterAddClass,
    beforeAddRead,
    beforeAddWrite,
    beforeClearStyles,
    beforeStyles,
    beforeRemoveClass,
    beforeAddClass,
    onFinish,
    progressStart,
    progressStep,
    progressEnd
  };
};




/***/ }),

/***/ 3733:
/*!*******************************************************************!*\
  !*** ./node_modules/@ionic/core/dist/esm/app-globals-fd807b9a.js ***!
  \*******************************************************************/
/***/ ((__unused_webpack_module, __webpack_exports__, __webpack_require__) => {

"use strict";
__webpack_require__.r(__webpack_exports__);
/* harmony export */ __webpack_require__.d(__webpack_exports__, {
/* harmony export */   "g": () => (/* binding */ globalScripts)
/* harmony export */ });
/* harmony import */ var _ionic_global_63a97a32_js__WEBPACK_IMPORTED_MODULE_0__ = __webpack_require__(/*! ./ionic-global-63a97a32.js */ 7585);


const globalScripts = _ionic_global_63a97a32_js__WEBPACK_IMPORTED_MODULE_0__.i;




/***/ }),

/***/ 7807:
/*!********************************************************************!*\
  !*** ./node_modules/@ionic/core/dist/esm/cubic-bezier-eea9a7a9.js ***!
  \********************************************************************/
/***/ ((__unused_webpack_module, __webpack_exports__, __webpack_require__) => {

"use strict";
__webpack_require__.r(__webpack_exports__);
/* harmony export */ __webpack_require__.d(__webpack_exports__, {
/* harmony export */   "g": () => (/* binding */ getTimeGivenProgression)
/* harmony export */ });
/**
 * Based on:
 * https://stackoverflow.com/questions/7348009/y-coordinate-for-a-given-x-cubic-bezier
 * https://math.stackexchange.com/questions/26846/is-there-an-explicit-form-for-cubic-b%C3%A9zier-curves
 * TODO: Reduce rounding error
 */
/**
 * EXPERIMENTAL
 * Given a cubic-bezier curve, get the x value (time) given
 * the y value (progression).
 * Ex: cubic-bezier(0.32, 0.72, 0, 1);
 * P0: (0, 0)
 * P1: (0.32, 0.72)
 * P2: (0, 1)
 * P3: (1, 1)
 *
 * If you give a cubic bezier curve that never reaches the
 * provided progression, this function will return an empty array.
 */
const getTimeGivenProgression = (p0, p1, p2, p3, progression) => {
  return solveCubicBezier(p0[1], p1[1], p2[1], p3[1], progression).map(tValue => {
    return solveCubicParametricEquation(p0[0], p1[0], p2[0], p3[0], tValue);
  });
};
/**
 * Solve a cubic equation in one dimension (time)
 */
const solveCubicParametricEquation = (p0, p1, p2, p3, t) => {
  const partA = (3 * p1) * Math.pow(t - 1, 2);
  const partB = (-3 * p2 * t) + (3 * p2) + (p3 * t);
  const partC = p0 * Math.pow(t - 1, 3);
  return t * (partA + (t * partB)) - partC;
};
/**
 * Find the `t` value for a cubic bezier using Cardano's formula
 */
const solveCubicBezier = (p0, p1, p2, p3, refPoint) => {
  p0 -= refPoint;
  p1 -= refPoint;
  p2 -= refPoint;
  p3 -= refPoint;
  const roots = solveCubicEquation(p3 - 3 * p2 + 3 * p1 - p0, 3 * p2 - 6 * p1 + 3 * p0, 3 * p1 - 3 * p0, p0);
  return roots.filter(root => root >= 0 && root <= 1);
};
const solveQuadraticEquation = (a, b, c) => {
  const discriminant = b * b - 4 * a * c;
  if (discriminant < 0) {
    return [];
  }
  else {
    return [
      (-b + Math.sqrt(discriminant)) / (2 * a),
      (-b - Math.sqrt(discriminant)) / (2 * a)
    ];
  }
};
const solveCubicEquation = (a, b, c, d) => {
  if (a === 0) {
    return solveQuadraticEquation(b, c, d);
  }
  b /= a;
  c /= a;
  d /= a;
  const p = (3 * c - b * b) / 3;
  const q = (2 * b * b * b - 9 * b * c + 27 * d) / 27;
  if (p === 0) {
    return [Math.pow(-q, 1 / 3)];
  }
  else if (q === 0) {
    return [Math.sqrt(-p), -Math.sqrt(-p)];
  }
  const discriminant = Math.pow(q / 2, 2) + Math.pow(p / 3, 3);
  if (discriminant === 0) {
    return [Math.pow(q / 2, 1 / 2) - b / 3];
  }
  else if (discriminant > 0) {
    return [Math.pow(-(q / 2) + Math.sqrt(discriminant), 1 / 3) - Math.pow((q / 2) + Math.sqrt(discriminant), 1 / 3) - b / 3];
  }
  const r = Math.sqrt(Math.pow(-(p / 3), 3));
  const phi = Math.acos(-(q / (2 * Math.sqrt(Math.pow(-(p / 3), 3)))));
  const s = 2 * Math.pow(r, 1 / 3);
  return [
    s * Math.cos(phi / 3) - b / 3,
    s * Math.cos((phi + 2 * Math.PI) / 3) - b / 3,
    s * Math.cos((phi + 4 * Math.PI) / 3) - b / 3
  ];
};




/***/ }),

/***/ 960:
/*!**************************************************************************!*\
  !*** ./node_modules/@ionic/core/dist/esm/gesture-controller-31cb6bb9.js ***!
  \**************************************************************************/
/***/ ((__unused_webpack_module, __webpack_exports__, __webpack_require__) => {

"use strict";
__webpack_require__.r(__webpack_exports__);
/* harmony export */ __webpack_require__.d(__webpack_exports__, {
/* harmony export */   "G": () => (/* binding */ GESTURE_CONTROLLER)
/* harmony export */ });
class GestureController {
  constructor() {
    this.gestureId = 0;
    this.requestedStart = new Map();
    this.disabledGestures = new Map();
    this.disabledScroll = new Set();
  }
  /**
   * Creates a gesture delegate based on the GestureConfig passed
   */
  createGesture(config) {
    return new GestureDelegate(this, this.newID(), config.name, config.priority || 0, !!config.disableScroll);
  }
  /**
   * Creates a blocker that will block any other gesture events from firing. Set in the ion-gesture component.
   */
  createBlocker(opts = {}) {
    return new BlockerDelegate(this, this.newID(), opts.disable, !!opts.disableScroll);
  }
  start(gestureName, id, priority) {
    if (!this.canStart(gestureName)) {
      this.requestedStart.delete(id);
      return false;
    }
    this.requestedStart.set(id, priority);
    return true;
  }
  capture(gestureName, id, priority) {
    if (!this.start(gestureName, id, priority)) {
      return false;
    }
    const requestedStart = this.requestedStart;
    let maxPriority = -10000;
    requestedStart.forEach(value => {
      maxPriority = Math.max(maxPriority, value);
    });
    if (maxPriority === priority) {
      this.capturedId = id;
      requestedStart.clear();
      const event = new CustomEvent('ionGestureCaptured', { detail: { gestureName } });
      document.dispatchEvent(event);
      return true;
    }
    requestedStart.delete(id);
    return false;
  }
  release(id) {
    this.requestedStart.delete(id);
    if (this.capturedId === id) {
      this.capturedId = undefined;
    }
  }
  disableGesture(gestureName, id) {
    let set = this.disabledGestures.get(gestureName);
    if (set === undefined) {
      set = new Set();
      this.disabledGestures.set(gestureName, set);
    }
    set.add(id);
  }
  enableGesture(gestureName, id) {
    const set = this.disabledGestures.get(gestureName);
    if (set !== undefined) {
      set.delete(id);
    }
  }
  disableScroll(id) {
    this.disabledScroll.add(id);
    if (this.disabledScroll.size === 1) {
      document.body.classList.add(BACKDROP_NO_SCROLL);
    }
  }
  enableScroll(id) {
    this.disabledScroll.delete(id);
    if (this.disabledScroll.size === 0) {
      document.body.classList.remove(BACKDROP_NO_SCROLL);
    }
  }
  canStart(gestureName) {
    if (this.capturedId !== undefined) {
      // a gesture already captured
      return false;
    }
    if (this.isDisabled(gestureName)) {
      return false;
    }
    return true;
  }
  isCaptured() {
    return this.capturedId !== undefined;
  }
  isScrollDisabled() {
    return this.disabledScroll.size > 0;
  }
  isDisabled(gestureName) {
    const disabled = this.disabledGestures.get(gestureName);
    if (disabled && disabled.size > 0) {
      return true;
    }
    return false;
  }
  newID() {
    this.gestureId++;
    return this.gestureId;
  }
}
class GestureDelegate {
  constructor(ctrl, id, name, priority, disableScroll) {
    this.id = id;
    this.name = name;
    this.disableScroll = disableScroll;
    this.priority = priority * 1000000 + id;
    this.ctrl = ctrl;
  }
  canStart() {
    if (!this.ctrl) {
      return false;
    }
    return this.ctrl.canStart(this.name);
  }
  start() {
    if (!this.ctrl) {
      return false;
    }
    return this.ctrl.start(this.name, this.id, this.priority);
  }
  capture() {
    if (!this.ctrl) {
      return false;
    }
    const captured = this.ctrl.capture(this.name, this.id, this.priority);
    if (captured && this.disableScroll) {
      this.ctrl.disableScroll(this.id);
    }
    return captured;
  }
  release() {
    if (this.ctrl) {
      this.ctrl.release(this.id);
      if (this.disableScroll) {
        this.ctrl.enableScroll(this.id);
      }
    }
  }
  destroy() {
    this.release();
    this.ctrl = undefined;
  }
}
class BlockerDelegate {
  constructor(ctrl, id, disable, disableScroll) {
    this.id = id;
    this.disable = disable;
    this.disableScroll = disableScroll;
    this.ctrl = ctrl;
  }
  block() {
    if (!this.ctrl) {
      return;
    }
    if (this.disable) {
      for (const gesture of this.disable) {
        this.ctrl.disableGesture(gesture, this.id);
      }
    }
    if (this.disableScroll) {
      this.ctrl.disableScroll(this.id);
    }
  }
  unblock() {
    if (!this.ctrl) {
      return;
    }
    if (this.disable) {
      for (const gesture of this.disable) {
        this.ctrl.enableGesture(gesture, this.id);
      }
    }
    if (this.disableScroll) {
      this.ctrl.enableScroll(this.id);
    }
  }
  destroy() {
    this.unblock();
    this.ctrl = undefined;
  }
}
const BACKDROP_NO_SCROLL = 'backdrop-no-scroll';
const GESTURE_CONTROLLER = new GestureController();




/***/ }),

/***/ 3087:
/*!****************************************************************************!*\
  !*** ./node_modules/@ionic/core/dist/esm/hardware-back-button-4a6b37fb.js ***!
  \****************************************************************************/
/***/ ((__unused_webpack_module, __webpack_exports__, __webpack_require__) => {

"use strict";
__webpack_require__.r(__webpack_exports__);
/* harmony export */ __webpack_require__.d(__webpack_exports__, {
/* harmony export */   "MENU_BACK_BUTTON_PRIORITY": () => (/* binding */ MENU_BACK_BUTTON_PRIORITY),
/* harmony export */   "OVERLAY_BACK_BUTTON_PRIORITY": () => (/* binding */ OVERLAY_BACK_BUTTON_PRIORITY),
/* harmony export */   "blockHardwareBackButton": () => (/* binding */ blockHardwareBackButton),
/* harmony export */   "startHardwareBackButton": () => (/* binding */ startHardwareBackButton)
/* harmony export */ });
/**
 * When hardwareBackButton: false in config,
 * we need to make sure we also block the default
 * webview behavior. If we don't then it will be
 * possible for users to navigate backward while
 * an overlay is still open. Additionally, it will
 * give the appearance that the hardwareBackButton
 * config is not working as the page transition
 * will still happen.
 */
const blockHardwareBackButton = () => {
  document.addEventListener('backbutton', () => { }); // tslint:disable-line
};
const startHardwareBackButton = () => {
  const doc = document;
  let busy = false;
  doc.addEventListener('backbutton', () => {
    if (busy) {
      return;
    }
    let index = 0;
    let handlers = [];
    const ev = new CustomEvent('ionBackButton', {
      bubbles: false,
      detail: {
        register(priority, handler) {
          handlers.push({ priority, handler, id: index++ });
        }
      }
    });
    doc.dispatchEvent(ev);
    const executeAction = async (handlerRegister) => {
      try {
        if (handlerRegister && handlerRegister.handler) {
          const result = handlerRegister.handler(processHandlers);
          if (result != null) {
            await result;
          }
        }
      }
      catch (e) {
        console.error(e);
      }
    };
    const processHandlers = () => {
      if (handlers.length > 0) {
        let selectedHandler = {
          priority: Number.MIN_SAFE_INTEGER,
          handler: () => undefined,
          id: -1
        };
        handlers.forEach(handler => {
          if (handler.priority >= selectedHandler.priority) {
            selectedHandler = handler;
          }
        });
        busy = true;
        handlers = handlers.filter(handler => handler.id !== selectedHandler.id);
        executeAction(selectedHandler).then(() => busy = false);
      }
    };
    processHandlers();
  });
};
const OVERLAY_BACK_BUTTON_PRIORITY = 100;
const MENU_BACK_BUTTON_PRIORITY = 99; // 1 less than overlay priority since menu is displayed behind overlays




/***/ }),

/***/ 2377:
/*!***************************************************************!*\
  !*** ./node_modules/@ionic/core/dist/esm/helpers-dd7e4b7b.js ***!
  \***************************************************************/
/***/ ((__unused_webpack_module, __webpack_exports__, __webpack_require__) => {

"use strict";
__webpack_require__.r(__webpack_exports__);
/* harmony export */ __webpack_require__.d(__webpack_exports__, {
/* harmony export */   "a": () => (/* binding */ addEventListener),
/* harmony export */   "b": () => (/* binding */ removeEventListener),
/* harmony export */   "c": () => (/* binding */ componentOnReady),
/* harmony export */   "d": () => (/* binding */ getAriaLabel),
/* harmony export */   "e": () => (/* binding */ renderHiddenInput),
/* harmony export */   "f": () => (/* binding */ debounceEvent),
/* harmony export */   "g": () => (/* binding */ getElementRoot),
/* harmony export */   "h": () => (/* binding */ findItemLabel),
/* harmony export */   "i": () => (/* binding */ inheritAttributes),
/* harmony export */   "j": () => (/* binding */ clamp),
/* harmony export */   "k": () => (/* binding */ hasShadowDom),
/* harmony export */   "l": () => (/* binding */ assert),
/* harmony export */   "m": () => (/* binding */ isEndSide),
/* harmony export */   "n": () => (/* binding */ debounce),
/* harmony export */   "o": () => (/* binding */ now),
/* harmony export */   "p": () => (/* binding */ pointerCoord),
/* harmony export */   "r": () => (/* binding */ raf)
/* harmony export */ });
/**
 * Waits for a component to be ready for
 * both custom element and non-custom element builds.
 * If non-custom element build, el.componentOnReady
 * will be used.
 * For custom element builds, we wait a frame
 * so that the inner contents of the component
 * have a chance to render.
 *
 * Use this utility rather than calling
 * el.componentOnReady yourself.
 */
const componentOnReady = (el, callback) => {
  if (el.componentOnReady) {
    el.componentOnReady().then((resolvedEl) => callback(resolvedEl));
  }
  else {
    raf(() => callback(el));
  }
};
/**
 * Elements inside of web components sometimes need to inherit global attributes
 * set on the host. For example, the inner input in `ion-input` should inherit
 * the `title` attribute that developers set directly on `ion-input`. This
 * helper function should be called in componentWillLoad and assigned to a variable
 * that is later used in the render function.
 *
 * This does not need to be reactive as changing attributes on the host element
 * does not trigger a re-render.
 */
const inheritAttributes = (el, attributes = []) => {
  const attributeObject = {};
  attributes.forEach(attr => {
    if (el.hasAttribute(attr)) {
      const value = el.getAttribute(attr);
      if (value !== null) {
        attributeObject[attr] = el.getAttribute(attr);
      }
      el.removeAttribute(attr);
    }
  });
  return attributeObject;
};
const addEventListener = (el, eventName, callback, opts) => {
  if (typeof window !== 'undefined') {
    const win = window;
    const config = win && win.Ionic && win.Ionic.config;
    if (config) {
      const ael = config.get('_ael');
      if (ael) {
        return ael(el, eventName, callback, opts);
      }
      else if (config._ael) {
        return config._ael(el, eventName, callback, opts);
      }
    }
  }
  return el.addEventListener(eventName, callback, opts);
};
const removeEventListener = (el, eventName, callback, opts) => {
  if (typeof window !== 'undefined') {
    const win = window;
    const config = win && win.Ionic && win.Ionic.config;
    if (config) {
      const rel = config.get('_rel');
      if (rel) {
        return rel(el, eventName, callback, opts);
      }
      else if (config._rel) {
        return config._rel(el, eventName, callback, opts);
      }
    }
  }
  return el.removeEventListener(eventName, callback, opts);
};
/**
 * Gets the root context of a shadow dom element
 * On newer browsers this will be the shadowRoot,
 * but for older browser this may just be the
 * element itself.
 *
 * Useful for whenever you need to explicitly
 * do "myElement.shadowRoot!.querySelector(...)".
 */
const getElementRoot = (el, fallback = el) => {
  return el.shadowRoot || fallback;
};
/**
 * Patched version of requestAnimationFrame that avoids ngzone
 * Use only when you know ngzone should not run
 */
const raf = (h) => {
  if (typeof __zone_symbol__requestAnimationFrame === 'function') {
    return __zone_symbol__requestAnimationFrame(h);
  }
  if (typeof requestAnimationFrame === 'function') {
    return requestAnimationFrame(h);
  }
  return setTimeout(h);
};
const hasShadowDom = (el) => {
  return !!el.shadowRoot && !!el.attachShadow;
};
const findItemLabel = (componentEl) => {
  const itemEl = componentEl.closest('ion-item');
  if (itemEl) {
    return itemEl.querySelector('ion-label');
  }
  return null;
};
/**
 * This method is used for Ionic's input components that use Shadow DOM. In
 * order to properly label the inputs to work with screen readers, we need
 * to get the text content of the label outside of the shadow root and pass
 * it to the input inside of the shadow root.
 *
 * Referencing label elements by id from outside of the component is
 * impossible due to the shadow boundary, read more here:
 * https://developer.salesforce.com/blogs/2020/01/accessibility-for-web-components.html
 *
 * @param componentEl The shadow element that needs the aria label
 * @param inputId The unique identifier for the input
 */
const getAriaLabel = (componentEl, inputId) => {
  let labelText;
  // If the user provides their own label via the aria-labelledby attr
  // we should use that instead of looking for an ion-label
  const labelledBy = componentEl.getAttribute('aria-labelledby');
  // Grab the id off of the component in case they are using
  // a custom label using the label element
  const componentId = componentEl.id;
  let labelId = labelledBy !== null && labelledBy.trim() !== ''
    ? labelledBy
    : inputId + '-lbl';
  let label = labelledBy !== null && labelledBy.trim() !== ''
    ? document.getElementById(labelledBy)
    : findItemLabel(componentEl);
  if (label) {
    if (labelledBy === null) {
      label.id = labelId;
    }
    labelText = label.textContent;
    label.setAttribute('aria-hidden', 'true');
    // if there is no label, check to see if the user has provided
    // one by setting an id on the component and using the label element
  }
  else if (componentId.trim() !== '') {
    label = document.querySelector(`label[for="${componentId}"]`);
    if (label) {
      if (label.id !== '') {
        labelId = label.id;
      }
      else {
        label.id = labelId = `${componentId}-lbl`;
      }
      labelText = label.textContent;
    }
  }
  return { label, labelId, labelText };
};
/**
 * This method is used to add a hidden input to a host element that contains
 * a Shadow DOM. It does not add the input inside of the Shadow root which
 * allows it to be picked up inside of forms. It should contain the same
 * values as the host element.
 *
 * @param always Add a hidden input even if the container does not use Shadow
 * @param container The element where the input will be added
 * @param name The name of the input
 * @param value The value of the input
 * @param disabled If true, the input is disabled
 */
const renderHiddenInput = (always, container, name, value, disabled) => {
  if (always || hasShadowDom(container)) {
    let input = container.querySelector('input.aux-input');
    if (!input) {
      input = container.ownerDocument.createElement('input');
      input.type = 'hidden';
      input.classList.add('aux-input');
      container.appendChild(input);
    }
    input.disabled = disabled;
    input.name = name;
    input.value = value || '';
  }
};
const clamp = (min, n, max) => {
  return Math.max(min, Math.min(n, max));
};
const assert = (actual, reason) => {
  if (!actual) {
    const message = 'ASSERT: ' + reason;
    console.error(message);
    debugger; // tslint:disable-line
    throw new Error(message);
  }
};
const now = (ev) => {
  return ev.timeStamp || Date.now();
};
const pointerCoord = (ev) => {
  // get X coordinates for either a mouse click
  // or a touch depending on the given event
  if (ev) {
    const changedTouches = ev.changedTouches;
    if (changedTouches && changedTouches.length > 0) {
      const touch = changedTouches[0];
      return { x: touch.clientX, y: touch.clientY };
    }
    if (ev.pageX !== undefined) {
      return { x: ev.pageX, y: ev.pageY };
    }
  }
  return { x: 0, y: 0 };
};
/**
 * @hidden
 * Given a side, return if it should be on the end
 * based on the value of dir
 * @param side the side
 * @param isRTL whether the application dir is rtl
 */
const isEndSide = (side) => {
  const isRTL = document.dir === 'rtl';
  switch (side) {
    case 'start': return isRTL;
    case 'end': return !isRTL;
    default:
      throw new Error(`"${side}" is not a valid value for [side]. Use "start" or "end" instead.`);
  }
};
const debounceEvent = (event, wait) => {
  const original = event._original || event;
  return {
    _original: event,
    emit: debounce(original.emit.bind(original), wait)
  };
};
const debounce = (func, wait = 0) => {
  let timer;
  return (...args) => {
    clearTimeout(timer);
    timer = setTimeout(func, wait, ...args);
  };
};




/***/ }),

/***/ 5554:
/*!*************************************************************!*\
  !*** ./node_modules/@ionic/core/dist/esm/index-0d58a5bf.js ***!
  \*************************************************************/
/***/ ((__unused_webpack_module, __webpack_exports__, __webpack_require__) => {

"use strict";
__webpack_require__.r(__webpack_exports__);
/* harmony export */ __webpack_require__.d(__webpack_exports__, {
/* harmony export */   "m": () => (/* binding */ menuController)
/* harmony export */ });
/* harmony import */ var _hardware_back_button_4a6b37fb_js__WEBPACK_IMPORTED_MODULE_0__ = __webpack_require__(/*! ./hardware-back-button-4a6b37fb.js */ 3087);
/* harmony import */ var _helpers_dd7e4b7b_js__WEBPACK_IMPORTED_MODULE_1__ = __webpack_require__(/*! ./helpers-dd7e4b7b.js */ 2377);
/* harmony import */ var _ionic_global_63a97a32_js__WEBPACK_IMPORTED_MODULE_2__ = __webpack_require__(/*! ./ionic-global-63a97a32.js */ 7585);
/* harmony import */ var _animation_096c6391_js__WEBPACK_IMPORTED_MODULE_3__ = __webpack_require__(/*! ./animation-096c6391.js */ 4086);





/**
 * baseAnimation
 * Base class which is extended by the various types. Each
 * type will provide their own animations for open and close
 * and registers itself with Menu.
 */
const baseAnimation = (isIos) => {
  // https://material.io/guidelines/motion/movement.html#movement-movement-in-out-of-screen-bounds
  // https://material.io/guidelines/motion/duration-easing.html#duration-easing-natural-easing-curves
  /**
   * "Apply the sharp curve to items temporarily leaving the screen that may return
   * from the same exit point. When they return, use the deceleration curve. On mobile,
   * this transition typically occurs over 300ms" -- MD Motion Guide
   */
  return (0,_animation_096c6391_js__WEBPACK_IMPORTED_MODULE_3__.c)().duration(isIos ? 400 : 300);
};

/**
 * Menu Overlay Type
 * The menu slides over the content. The content
 * itself, which is under the menu, does not move.
 */
const menuOverlayAnimation = (menu) => {
  let closedX;
  let openedX;
  const width = menu.width + 8;
  const menuAnimation = (0,_animation_096c6391_js__WEBPACK_IMPORTED_MODULE_3__.c)();
  const backdropAnimation = (0,_animation_096c6391_js__WEBPACK_IMPORTED_MODULE_3__.c)();
  if (menu.isEndSide) {
    // right side
    closedX = width + 'px';
    openedX = '0px';
  }
  else {
    // left side
    closedX = -width + 'px';
    openedX = '0px';
  }
  menuAnimation
    .addElement(menu.menuInnerEl)
    .fromTo('transform', `translateX(${closedX})`, `translateX(${openedX})`);
  const mode = (0,_ionic_global_63a97a32_js__WEBPACK_IMPORTED_MODULE_2__.b)(menu);
  const isIos = mode === 'ios';
  const opacity = isIos ? 0.2 : 0.25;
  backdropAnimation
    .addElement(menu.backdropEl)
    .fromTo('opacity', 0.01, opacity);
  return baseAnimation(isIos).addAnimation([menuAnimation, backdropAnimation]);
};

/**
 * Menu Push Type
 * The content slides over to reveal the menu underneath.
 * The menu itself also slides over to reveal its bad self.
 */
const menuPushAnimation = (menu) => {
  let contentOpenedX;
  let menuClosedX;
  const mode = (0,_ionic_global_63a97a32_js__WEBPACK_IMPORTED_MODULE_2__.b)(menu);
  const width = menu.width;
  if (menu.isEndSide) {
    contentOpenedX = -width + 'px';
    menuClosedX = width + 'px';
  }
  else {
    contentOpenedX = width + 'px';
    menuClosedX = -width + 'px';
  }
  const menuAnimation = (0,_animation_096c6391_js__WEBPACK_IMPORTED_MODULE_3__.c)()
    .addElement(menu.menuInnerEl)
    .fromTo('transform', `translateX(${menuClosedX})`, 'translateX(0px)');
  const contentAnimation = (0,_animation_096c6391_js__WEBPACK_IMPORTED_MODULE_3__.c)()
    .addElement(menu.contentEl)
    .fromTo('transform', 'translateX(0px)', `translateX(${contentOpenedX})`);
  const backdropAnimation = (0,_animation_096c6391_js__WEBPACK_IMPORTED_MODULE_3__.c)()
    .addElement(menu.backdropEl)
    .fromTo('opacity', 0.01, 0.32);
  return baseAnimation(mode === 'ios').addAnimation([menuAnimation, contentAnimation, backdropAnimation]);
};

/**
 * Menu Reveal Type
 * The content slides over to reveal the menu underneath.
 * The menu itself, which is under the content, does not move.
 */
const menuRevealAnimation = (menu) => {
  const mode = (0,_ionic_global_63a97a32_js__WEBPACK_IMPORTED_MODULE_2__.b)(menu);
  const openedX = (menu.width * (menu.isEndSide ? -1 : 1)) + 'px';
  const contentOpen = (0,_animation_096c6391_js__WEBPACK_IMPORTED_MODULE_3__.c)()
    .addElement(menu.contentEl) // REVIEW
    .fromTo('transform', 'translateX(0px)', `translateX(${openedX})`);
  return baseAnimation(mode === 'ios').addAnimation(contentOpen);
};

const createMenuController = () => {
  const menuAnimations = new Map();
  const menus = [];
  const open = async (menu) => {
    const menuEl = await get(menu);
    if (menuEl) {
      return menuEl.open();
    }
    return false;
  };
  const close = async (menu) => {
    const menuEl = await (menu !== undefined ? get(menu) : getOpen());
    if (menuEl !== undefined) {
      return menuEl.close();
    }
    return false;
  };
  const toggle = async (menu) => {
    const menuEl = await get(menu);
    if (menuEl) {
      return menuEl.toggle();
    }
    return false;
  };
  const enable = async (shouldEnable, menu) => {
    const menuEl = await get(menu);
    if (menuEl) {
      menuEl.disabled = !shouldEnable;
    }
    return menuEl;
  };
  const swipeGesture = async (shouldEnable, menu) => {
    const menuEl = await get(menu);
    if (menuEl) {
      menuEl.swipeGesture = shouldEnable;
    }
    return menuEl;
  };
  const isOpen = async (menu) => {
    if (menu != null) {
      const menuEl = await get(menu);
      return (menuEl !== undefined && menuEl.isOpen());
    }
    else {
      const menuEl = await getOpen();
      return menuEl !== undefined;
    }
  };
  const isEnabled = async (menu) => {
    const menuEl = await get(menu);
    if (menuEl) {
      return !menuEl.disabled;
    }
    return false;
  };
  const get = async (menu) => {
    await waitUntilReady();
    if (menu === 'start' || menu === 'end') {
      // there could be more than one menu on the same side
      // so first try to get the enabled one
      const menuRef = find(m => m.side === menu && !m.disabled);
      if (menuRef) {
        return menuRef;
      }
      // didn't find a menu side that is enabled
      // so try to get the first menu side found
      return find(m => m.side === menu);
    }
    else if (menu != null) {
      // the menuId was not left or right
      // so try to get the menu by its "id"
      return find(m => m.menuId === menu);
    }
    // return the first enabled menu
    const menuEl = find(m => !m.disabled);
    if (menuEl) {
      return menuEl;
    }
    // get the first menu in the array, if one exists
    return menus.length > 0 ? menus[0].el : undefined;
  };
  /**
   * Get the instance of the opened menu. Returns `null` if a menu is not found.
   */
  const getOpen = async () => {
    await waitUntilReady();
    return _getOpenSync();
  };
  /**
   * Get all menu instances.
   */
  const getMenus = async () => {
    await waitUntilReady();
    return getMenusSync();
  };
  /**
   * Get whether or not a menu is animating. Returns `true` if any
   * menu is currently animating.
   */
  const isAnimating = async () => {
    await waitUntilReady();
    return isAnimatingSync();
  };
  const registerAnimation = (name, animation) => {
    menuAnimations.set(name, animation);
  };
  const _register = (menu) => {
    if (menus.indexOf(menu) < 0) {
      if (!menu.disabled) {
        _setActiveMenu(menu);
      }
      menus.push(menu);
    }
  };
  const _unregister = (menu) => {
    const index = menus.indexOf(menu);
    if (index > -1) {
      menus.splice(index, 1);
    }
  };
  const _setActiveMenu = (menu) => {
    // if this menu should be enabled
    // then find all the other menus on this same side
    // and automatically disable other same side menus
    const side = menu.side;
    menus
      .filter(m => m.side === side && m !== menu)
      .forEach(m => m.disabled = true);
  };
  const _setOpen = async (menu, shouldOpen, animated) => {
    if (isAnimatingSync()) {
      return false;
    }
    if (shouldOpen) {
      const openedMenu = await getOpen();
      if (openedMenu && menu.el !== openedMenu) {
        await openedMenu.setOpen(false, false);
      }
    }
    return menu._setOpen(shouldOpen, animated);
  };
  const _createAnimation = (type, menuCmp) => {
    const animationBuilder = menuAnimations.get(type);
    if (!animationBuilder) {
      throw new Error('animation not registered');
    }
    const animation = animationBuilder(menuCmp);
    return animation;
  };
  const _getOpenSync = () => {
    return find(m => m._isOpen);
  };
  const getMenusSync = () => {
    return menus.map(menu => menu.el);
  };
  const isAnimatingSync = () => {
    return menus.some(menu => menu.isAnimating);
  };
  const find = (predicate) => {
    const instance = menus.find(predicate);
    if (instance !== undefined) {
      return instance.el;
    }
    return undefined;
  };
  const waitUntilReady = () => {
    return Promise.all(Array.from(document.querySelectorAll('ion-menu'))
      .map(menu => new Promise(resolve => (0,_helpers_dd7e4b7b_js__WEBPACK_IMPORTED_MODULE_1__.c)(menu, resolve))));
  };
  registerAnimation('reveal', menuRevealAnimation);
  registerAnimation('push', menuPushAnimation);
  registerAnimation('overlay', menuOverlayAnimation);
  /* tslint:disable-next-line */
  if (typeof document !== 'undefined') {
    document.addEventListener('ionBackButton', (ev) => {
      const openMenu = _getOpenSync();
      if (openMenu) {
        ev.detail.register(_hardware_back_button_4a6b37fb_js__WEBPACK_IMPORTED_MODULE_0__.MENU_BACK_BUTTON_PRIORITY, () => {
          return openMenu.close();
        });
      }
    });
  }
  return {
    registerAnimation,
    get,
    getMenus,
    getOpen,
    isEnabled,
    swipeGesture,
    isAnimating,
    isOpen,
    enable,
    toggle,
    close,
    open,
    _getOpenSync,
    _createAnimation,
    _register,
    _unregister,
    _setOpen,
    _setActiveMenu,
  };
};
const menuController = /*@__PURE__*/ createMenuController();




/***/ }),

/***/ 9461:
/*!*************************************************************!*\
  !*** ./node_modules/@ionic/core/dist/esm/index-34cb2743.js ***!
  \*************************************************************/
/***/ ((__unused_webpack_module, __webpack_exports__, __webpack_require__) => {

"use strict";
__webpack_require__.r(__webpack_exports__);
/* harmony export */ __webpack_require__.d(__webpack_exports__, {
/* harmony export */   "GESTURE_CONTROLLER": () => (/* reexport safe */ _gesture_controller_31cb6bb9_js__WEBPACK_IMPORTED_MODULE_0__.G),
/* harmony export */   "createGesture": () => (/* binding */ createGesture)
/* harmony export */ });
/* harmony import */ var _gesture_controller_31cb6bb9_js__WEBPACK_IMPORTED_MODULE_0__ = __webpack_require__(/*! ./gesture-controller-31cb6bb9.js */ 960);



const addEventListener = (el, eventName, callback, opts) => {
  // use event listener options when supported
  // otherwise it's just a boolean for the "capture" arg
  const listenerOpts = supportsPassive(el) ? {
    'capture': !!opts.capture,
    'passive': !!opts.passive,
  } : !!opts.capture;
  let add;
  let remove;
  if (el['__zone_symbol__addEventListener']) {
    add = '__zone_symbol__addEventListener';
    remove = '__zone_symbol__removeEventListener';
  }
  else {
    add = 'addEventListener';
    remove = 'removeEventListener';
  }
  el[add](eventName, callback, listenerOpts);
  return () => {
    el[remove](eventName, callback, listenerOpts);
  };
};
const supportsPassive = (node) => {
  if (_sPassive === undefined) {
    try {
      const opts = Object.defineProperty({}, 'passive', {
        get: () => {
          _sPassive = true;
        }
      });
      node.addEventListener('optsTest', () => { return; }, opts);
    }
    catch (e) {
      _sPassive = false;
    }
  }
  return !!_sPassive;
};
let _sPassive;

const MOUSE_WAIT = 2000;
const createPointerEvents = (el, pointerDown, pointerMove, pointerUp, options) => {
  let rmTouchStart;
  let rmTouchMove;
  let rmTouchEnd;
  let rmTouchCancel;
  let rmMouseStart;
  let rmMouseMove;
  let rmMouseUp;
  let lastTouchEvent = 0;
  const handleTouchStart = (ev) => {
    lastTouchEvent = Date.now() + MOUSE_WAIT;
    if (!pointerDown(ev)) {
      return;
    }
    if (!rmTouchMove && pointerMove) {
      rmTouchMove = addEventListener(el, 'touchmove', pointerMove, options);
    }
    /**
     * Events are dispatched on the element that is tapped and bubble up to
     * the reference element in the gesture. In the event that the element this
     * event was first dispatched on is removed from the DOM, the event will no
     * longer bubble up to our reference element. This leaves the gesture in an
     * unusable state. To account for this, the touchend and touchcancel listeners
     * should be added to the event target so that they still fire even if the target
     * is removed from the DOM.
     */
    if (!rmTouchEnd) {
      rmTouchEnd = addEventListener(ev.target, 'touchend', handleTouchEnd, options);
    }
    if (!rmTouchCancel) {
      rmTouchCancel = addEventListener(ev.target, 'touchcancel', handleTouchEnd, options);
    }
  };
  const handleMouseDown = (ev) => {
    if (lastTouchEvent > Date.now()) {
      return;
    }
    if (!pointerDown(ev)) {
      return;
    }
    if (!rmMouseMove && pointerMove) {
      rmMouseMove = addEventListener(getDocument(el), 'mousemove', pointerMove, options);
    }
    if (!rmMouseUp) {
      rmMouseUp = addEventListener(getDocument(el), 'mouseup', handleMouseUp, options);
    }
  };
  const handleTouchEnd = (ev) => {
    stopTouch();
    if (pointerUp) {
      pointerUp(ev);
    }
  };
  const handleMouseUp = (ev) => {
    stopMouse();
    if (pointerUp) {
      pointerUp(ev);
    }
  };
  const stopTouch = () => {
    if (rmTouchMove) {
      rmTouchMove();
    }
    if (rmTouchEnd) {
      rmTouchEnd();
    }
    if (rmTouchCancel) {
      rmTouchCancel();
    }
    rmTouchMove = rmTouchEnd = rmTouchCancel = undefined;
  };
  const stopMouse = () => {
    if (rmMouseMove) {
      rmMouseMove();
    }
    if (rmMouseUp) {
      rmMouseUp();
    }
    rmMouseMove = rmMouseUp = undefined;
  };
  const stop = () => {
    stopTouch();
    stopMouse();
  };
  const enable = (isEnabled = true) => {
    if (!isEnabled) {
      if (rmTouchStart) {
        rmTouchStart();
      }
      if (rmMouseStart) {
        rmMouseStart();
      }
      rmTouchStart = rmMouseStart = undefined;
      stop();
    }
    else {
      if (!rmTouchStart) {
        rmTouchStart = addEventListener(el, 'touchstart', handleTouchStart, options);
      }
      if (!rmMouseStart) {
        rmMouseStart = addEventListener(el, 'mousedown', handleMouseDown, options);
      }
    }
  };
  const destroy = () => {
    enable(false);
    pointerUp = pointerMove = pointerDown = undefined;
  };
  return {
    enable,
    stop,
    destroy
  };
};
const getDocument = (node) => {
  return node instanceof Document ? node : node.ownerDocument;
};

const createPanRecognizer = (direction, thresh, maxAngle) => {
  const radians = maxAngle * (Math.PI / 180);
  const isDirX = direction === 'x';
  const maxCosine = Math.cos(radians);
  const threshold = thresh * thresh;
  let startX = 0;
  let startY = 0;
  let dirty = false;
  let isPan = 0;
  return {
    start(x, y) {
      startX = x;
      startY = y;
      isPan = 0;
      dirty = true;
    },
    detect(x, y) {
      if (!dirty) {
        return false;
      }
      const deltaX = (x - startX);
      const deltaY = (y - startY);
      const distance = deltaX * deltaX + deltaY * deltaY;
      if (distance < threshold) {
        return false;
      }
      const hypotenuse = Math.sqrt(distance);
      const cosine = (isDirX ? deltaX : deltaY) / hypotenuse;
      if (cosine > maxCosine) {
        isPan = 1;
      }
      else if (cosine < -maxCosine) {
        isPan = -1;
      }
      else {
        isPan = 0;
      }
      dirty = false;
      return true;
    },
    isGesture() {
      return isPan !== 0;
    },
    getDirection() {
      return isPan;
    }
  };
};

const createGesture = (config) => {
  let hasCapturedPan = false;
  let hasStartedPan = false;
  let hasFiredStart = true;
  let isMoveQueued = false;
  const finalConfig = Object.assign({ disableScroll: false, direction: 'x', gesturePriority: 0, passive: true, maxAngle: 40, threshold: 10 }, config);
  const canStart = finalConfig.canStart;
  const onWillStart = finalConfig.onWillStart;
  const onStart = finalConfig.onStart;
  const onEnd = finalConfig.onEnd;
  const notCaptured = finalConfig.notCaptured;
  const onMove = finalConfig.onMove;
  const threshold = finalConfig.threshold;
  const passive = finalConfig.passive;
  const blurOnStart = finalConfig.blurOnStart;
  const detail = {
    type: 'pan',
    startX: 0,
    startY: 0,
    startTime: 0,
    currentX: 0,
    currentY: 0,
    velocityX: 0,
    velocityY: 0,
    deltaX: 0,
    deltaY: 0,
    currentTime: 0,
    event: undefined,
    data: undefined
  };
  const pan = createPanRecognizer(finalConfig.direction, finalConfig.threshold, finalConfig.maxAngle);
  const gesture = _gesture_controller_31cb6bb9_js__WEBPACK_IMPORTED_MODULE_0__.G.createGesture({
    name: config.gestureName,
    priority: config.gesturePriority,
    disableScroll: config.disableScroll
  });
  const pointerDown = (ev) => {
    const timeStamp = now(ev);
    if (hasStartedPan || !hasFiredStart) {
      return false;
    }
    updateDetail(ev, detail);
    detail.startX = detail.currentX;
    detail.startY = detail.currentY;
    detail.startTime = detail.currentTime = timeStamp;
    detail.velocityX = detail.velocityY = detail.deltaX = detail.deltaY = 0;
    detail.event = ev;
    // Check if gesture can start
    if (canStart && canStart(detail) === false) {
      return false;
    }
    // Release fallback
    gesture.release();
    // Start gesture
    if (!gesture.start()) {
      return false;
    }
    hasStartedPan = true;
    if (threshold === 0) {
      return tryToCapturePan();
    }
    pan.start(detail.startX, detail.startY);
    return true;
  };
  const pointerMove = (ev) => {
    // fast path, if gesture is currently captured
    // do minimum job to get user-land even dispatched
    if (hasCapturedPan) {
      if (!isMoveQueued && hasFiredStart) {
        isMoveQueued = true;
        calcGestureData(detail, ev);
        requestAnimationFrame(fireOnMove);
      }
      return;
    }
    // gesture is currently being detected
    calcGestureData(detail, ev);
    if (pan.detect(detail.currentX, detail.currentY)) {
      if (!pan.isGesture() || !tryToCapturePan()) {
        abortGesture();
      }
    }
  };
  const fireOnMove = () => {
    // Since fireOnMove is called inside a RAF, onEnd() might be called,
    // we must double check hasCapturedPan
    if (!hasCapturedPan) {
      return;
    }
    isMoveQueued = false;
    if (onMove) {
      onMove(detail);
    }
  };
  const tryToCapturePan = () => {
    if (gesture && !gesture.capture()) {
      return false;
    }
    hasCapturedPan = true;
    hasFiredStart = false;
    // reset start position since the real user-land event starts here
    // If the pan detector threshold is big, not resetting the start position
    // will cause a jump in the animation equal to the detector threshold.
    // the array of positions used to calculate the gesture velocity does not
    // need to be cleaned, more points in the positions array always results in a
    // more accurate value of the velocity.
    detail.startX = detail.currentX;
    detail.startY = detail.currentY;
    detail.startTime = detail.currentTime;
    if (onWillStart) {
      onWillStart(detail).then(fireOnStart);
    }
    else {
      fireOnStart();
    }
    return true;
  };
  const blurActiveElement = () => {
    /* tslint:disable-next-line */
    if (typeof document !== 'undefined') {
      const activeElement = document.activeElement;
      if (activeElement !== null && activeElement.blur) {
        activeElement.blur();
      }
    }
  };
  const fireOnStart = () => {
    if (blurOnStart) {
      blurActiveElement();
    }
    if (onStart) {
      onStart(detail);
    }
    hasFiredStart = true;
  };
  const reset = () => {
    hasCapturedPan = false;
    hasStartedPan = false;
    isMoveQueued = false;
    hasFiredStart = true;
    gesture.release();
  };
  // END *************************
  const pointerUp = (ev) => {
    const tmpHasCaptured = hasCapturedPan;
    const tmpHasFiredStart = hasFiredStart;
    reset();
    if (!tmpHasFiredStart) {
      return;
    }
    calcGestureData(detail, ev);
    // Try to capture press
    if (tmpHasCaptured) {
      if (onEnd) {
        onEnd(detail);
      }
      return;
    }
    // Not captured any event
    if (notCaptured) {
      notCaptured(detail);
    }
  };
  const pointerEvents = createPointerEvents(finalConfig.el, pointerDown, pointerMove, pointerUp, {
    capture: false,
    passive
  });
  const abortGesture = () => {
    reset();
    pointerEvents.stop();
    if (notCaptured) {
      notCaptured(detail);
    }
  };
  return {
    enable(enable = true) {
      if (!enable) {
        if (hasCapturedPan) {
          pointerUp(undefined);
        }
        reset();
      }
      pointerEvents.enable(enable);
    },
    destroy() {
      gesture.destroy();
      pointerEvents.destroy();
    }
  };
};
const calcGestureData = (detail, ev) => {
  if (!ev) {
    return;
  }
  const prevX = detail.currentX;
  const prevY = detail.currentY;
  const prevT = detail.currentTime;
  updateDetail(ev, detail);
  const currentX = detail.currentX;
  const currentY = detail.currentY;
  const timestamp = detail.currentTime = now(ev);
  const timeDelta = timestamp - prevT;
  if (timeDelta > 0 && timeDelta < 100) {
    const velocityX = (currentX - prevX) / timeDelta;
    const velocityY = (currentY - prevY) / timeDelta;
    detail.velocityX = velocityX * 0.7 + detail.velocityX * 0.3;
    detail.velocityY = velocityY * 0.7 + detail.velocityY * 0.3;
  }
  detail.deltaX = currentX - detail.startX;
  detail.deltaY = currentY - detail.startY;
  detail.event = ev;
};
const updateDetail = (ev, detail) => {
  // get X coordinates for either a mouse click
  // or a touch depending on the given event
  let x = 0;
  let y = 0;
  if (ev) {
    const changedTouches = ev.changedTouches;
    if (changedTouches && changedTouches.length > 0) {
      const touch = changedTouches[0];
      x = touch.clientX;
      y = touch.clientY;
    }
    else if (ev.pageX !== undefined) {
      x = ev.pageX;
      y = ev.pageY;
    }
  }
  detail.currentX = x;
  detail.currentY = y;
};
const now = (ev) => {
  return ev.timeStamp || Date.now();
};




/***/ }),

/***/ 3150:
/*!*************************************************************!*\
  !*** ./node_modules/@ionic/core/dist/esm/index-7a8b7a1c.js ***!
  \*************************************************************/
/***/ ((__unused_webpack_module, __webpack_exports__, __webpack_require__) => {

"use strict";
__webpack_require__.r(__webpack_exports__);
/* harmony export */ __webpack_require__.d(__webpack_exports__, {
/* harmony export */   "B": () => (/* binding */ Build),
/* harmony export */   "C": () => (/* binding */ CSS),
/* harmony export */   "H": () => (/* binding */ Host),
/* harmony export */   "N": () => (/* binding */ NAMESPACE),
/* harmony export */   "a": () => (/* binding */ promiseResolve),
/* harmony export */   "b": () => (/* binding */ bootstrapLazy),
/* harmony export */   "c": () => (/* binding */ writeTask),
/* harmony export */   "d": () => (/* binding */ doc),
/* harmony export */   "e": () => (/* binding */ createEvent),
/* harmony export */   "f": () => (/* binding */ readTask),
/* harmony export */   "g": () => (/* binding */ getMode),
/* harmony export */   "h": () => (/* binding */ h),
/* harmony export */   "i": () => (/* binding */ getElement),
/* harmony export */   "j": () => (/* binding */ forceUpdate),
/* harmony export */   "k": () => (/* binding */ getAssetPath),
/* harmony export */   "p": () => (/* binding */ plt),
/* harmony export */   "r": () => (/* binding */ registerInstance),
/* harmony export */   "s": () => (/* binding */ setMode),
/* harmony export */   "w": () => (/* binding */ win)
/* harmony export */ });
const NAMESPACE = 'ionic';

let scopeId;
let contentRef;
let hostTagName;
let useNativeShadowDom = false;
let checkSlotFallbackVisibility = false;
let checkSlotRelocate = false;
let isSvgMode = false;
let queuePending = false;
const win = typeof window !== 'undefined' ? window : {};
const CSS = win.CSS ;
const doc = win.document || { head: {} };
const plt = {
    $flags$: 0,
    $resourcesUrl$: '',
    jmp: h => h(),
    raf: h => requestAnimationFrame(h),
    ael: (el, eventName, listener, opts) => el.addEventListener(eventName, listener, opts),
    rel: (el, eventName, listener, opts) => el.removeEventListener(eventName, listener, opts),
    ce: (eventName, opts) => new CustomEvent(eventName, opts),
};
const supportsShadow = /*@__PURE__*/ (() => (doc.head.attachShadow + '').indexOf('[native') > -1)() ;
const promiseResolve = (v) => Promise.resolve(v);
const supportsConstructibleStylesheets = /*@__PURE__*/ (() => {
        try {
            new CSSStyleSheet();
            return typeof (new CSSStyleSheet()).replace === 'function';
        }
        catch (e) { }
        return false;
    })()
    ;
const addHostEventListeners = (elm, hostRef, listeners, attachParentListeners) => {
    if (listeners) {
        listeners.map(([flags, name, method]) => {
            const target = getHostListenerTarget(elm, flags) ;
            const handler = hostListenerProxy(hostRef, method);
            const opts = hostListenerOpts(flags);
            plt.ael(target, name, handler, opts);
            (hostRef.$rmListeners$ = hostRef.$rmListeners$ || []).push(() => plt.rel(target, name, handler, opts));
        });
    }
};
const hostListenerProxy = (hostRef, methodName) => (ev) => {
    try {
        {
            if (hostRef.$flags$ & 256 /* isListenReady */) {
                // instance is ready, let's call it's member method for this event
                hostRef.$lazyInstance$[methodName](ev);
            }
            else {
                (hostRef.$queuedListeners$ = hostRef.$queuedListeners$ || []).push([methodName, ev]);
            }
        }
    }
    catch (e) {
        consoleError(e);
    }
};
const getHostListenerTarget = (elm, flags) => {
    if (flags & 4 /* TargetDocument */)
        return doc;
    if (flags & 8 /* TargetWindow */)
        return win;
    if (flags & 16 /* TargetBody */)
        return doc.body;
    return elm;
};
// prettier-ignore
const hostListenerOpts = (flags) => (flags & 2 /* Capture */) !== 0;
const CONTENT_REF_ID = 'r';
const ORG_LOCATION_ID = 'o';
const SLOT_NODE_ID = 's';
const TEXT_NODE_ID = 't';
const HYDRATE_ID = 's-id';
const HYDRATED_STYLE_ID = 'sty-id';
const HYDRATE_CHILD_ID = 'c-id';
const HYDRATED_CSS = '{visibility:hidden}.hydrated{visibility:inherit}';
const XLINK_NS = 'http://www.w3.org/1999/xlink';
const createTime = (fnName, tagName = '') => {
    {
        return () => {
            return;
        };
    }
};
const uniqueTime = (key, measureText) => {
    {
        return () => {
            return;
        };
    }
};
const rootAppliedStyles = new WeakMap();
const registerStyle = (scopeId, cssText, allowCS) => {
    let style = styles.get(scopeId);
    if (supportsConstructibleStylesheets && allowCS) {
        style = (style || new CSSStyleSheet());
        style.replace(cssText);
    }
    else {
        style = cssText;
    }
    styles.set(scopeId, style);
};
const addStyle = (styleContainerNode, cmpMeta, mode, hostElm) => {
    let scopeId = getScopeId(cmpMeta, mode);
    let style = styles.get(scopeId);
    // if an element is NOT connected then getRootNode() will return the wrong root node
    // so the fallback is to always use the document for the root node in those cases
    styleContainerNode = styleContainerNode.nodeType === 11 /* DocumentFragment */ ? styleContainerNode : doc;
    if (style) {
        if (typeof style === 'string') {
            styleContainerNode = styleContainerNode.head || styleContainerNode;
            let appliedStyles = rootAppliedStyles.get(styleContainerNode);
            let styleElm;
            if (!appliedStyles) {
                rootAppliedStyles.set(styleContainerNode, (appliedStyles = new Set()));
            }
            if (!appliedStyles.has(scopeId)) {
                if (styleContainerNode.host && (styleElm = styleContainerNode.querySelector(`[${HYDRATED_STYLE_ID}="${scopeId}"]`))) {
                    // This is only happening on native shadow-dom, do not needs CSS var shim
                    styleElm.innerHTML = style;
                }
                else {
                    if (plt.$cssShim$) {
                        styleElm = plt.$cssShim$.createHostStyle(hostElm, scopeId, style, !!(cmpMeta.$flags$ & 10 /* needsScopedEncapsulation */));
                        const newScopeId = styleElm['s-sc'];
                        if (newScopeId) {
                            scopeId = newScopeId;
                            // we don't want to add this styleID to the appliedStyles Set
                            // since the cssVarShim might need to apply several different
                            // stylesheets for the same component
                            appliedStyles = null;
                        }
                    }
                    else {
                        styleElm = doc.createElement('style');
                        styleElm.innerHTML = style;
                    }
                    styleContainerNode.insertBefore(styleElm, styleContainerNode.querySelector('link'));
                }
                if (appliedStyles) {
                    appliedStyles.add(scopeId);
                }
            }
        }
        else if (!styleContainerNode.adoptedStyleSheets.includes(style)) {
            styleContainerNode.adoptedStyleSheets = [...styleContainerNode.adoptedStyleSheets, style];
        }
    }
    return scopeId;
};
const attachStyles = (hostRef) => {
    const cmpMeta = hostRef.$cmpMeta$;
    const elm = hostRef.$hostElement$;
    const flags = cmpMeta.$flags$;
    const endAttachStyles = createTime('attachStyles', cmpMeta.$tagName$);
    const scopeId = addStyle(supportsShadow && elm.shadowRoot ? elm.shadowRoot : elm.getRootNode(), cmpMeta, hostRef.$modeName$, elm);
    if (flags & 10 /* needsScopedEncapsulation */) {
        // only required when we're NOT using native shadow dom (slot)
        // or this browser doesn't support native shadow dom
        // and this host element was NOT created with SSR
        // let's pick out the inner content for slot projection
        // create a node to represent where the original
        // content was first placed, which is useful later on
        // DOM WRITE!!
        elm['s-sc'] = scopeId;
        elm.classList.add(scopeId + '-h');
        if (flags & 2 /* scopedCssEncapsulation */) {
            elm.classList.add(scopeId + '-s');
        }
    }
    endAttachStyles();
};
const getScopeId = (cmp, mode) => 'sc-' + (mode && cmp.$flags$ & 32 /* hasMode */ ? cmp.$tagName$ + '-' + mode : cmp.$tagName$);
const convertScopedToShadow = (css) => css.replace(/\/\*!@([^\/]+)\*\/[^\{]+\{/g, '$1{');
// Private
const computeMode = (elm) => modeResolutionChain.map(h => h(elm)).find(m => !!m);
// Public
const setMode = (handler) => modeResolutionChain.push(handler);
const getMode = (ref) => getHostRef(ref).$modeName$;
/**
 * Default style mode id
 */
/**
 * Reusable empty obj/array
 * Don't add values to these!!
 */
const EMPTY_OBJ = {};
/**
 * Namespaces
 */
const SVG_NS = 'http://www.w3.org/2000/svg';
const HTML_NS = 'http://www.w3.org/1999/xhtml';
const isDef = (v) => v != null;
const isComplexType = (o) => {
    // https://jsperf.com/typeof-fn-object/5
    o = typeof o;
    return o === 'object' || o === 'function';
};
/**
 * Production h() function based on Preact by
 * Jason Miller (@developit)
 * Licensed under the MIT License
 * https://github.com/developit/preact/blob/master/LICENSE
 *
 * Modified for Stencil's compiler and vdom
 */
// const stack: any[] = [];
// export function h(nodeName: string | d.FunctionalComponent, vnodeData: d.PropsType, child?: d.ChildType): d.VNode;
// export function h(nodeName: string | d.FunctionalComponent, vnodeData: d.PropsType, ...children: d.ChildType[]): d.VNode;
const h = (nodeName, vnodeData, ...children) => {
    let child = null;
    let key = null;
    let slotName = null;
    let simple = false;
    let lastSimple = false;
    let vNodeChildren = [];
    const walk = (c) => {
        for (let i = 0; i < c.length; i++) {
            child = c[i];
            if (Array.isArray(child)) {
                walk(child);
            }
            else if (child != null && typeof child !== 'boolean') {
                if ((simple = typeof nodeName !== 'function' && !isComplexType(child))) {
                    child = String(child);
                }
                if (simple && lastSimple) {
                    // If the previous child was simple (string), we merge both
                    vNodeChildren[vNodeChildren.length - 1].$text$ += child;
                }
                else {
                    // Append a new vNode, if it's text, we create a text vNode
                    vNodeChildren.push(simple ? newVNode(null, child) : child);
                }
                lastSimple = simple;
            }
        }
    };
    walk(children);
    if (vnodeData) {
        // normalize class / classname attributes
        if (vnodeData.key) {
            key = vnodeData.key;
        }
        if (vnodeData.name) {
            slotName = vnodeData.name;
        }
        {
            const classData = vnodeData.className || vnodeData.class;
            if (classData) {
                vnodeData.class =
                    typeof classData !== 'object'
                        ? classData
                        : Object.keys(classData)
                            .filter(k => classData[k])
                            .join(' ');
            }
        }
    }
    if (typeof nodeName === 'function') {
        // nodeName is a functional component
        return nodeName(vnodeData === null ? {} : vnodeData, vNodeChildren, vdomFnUtils);
    }
    const vnode = newVNode(nodeName, null);
    vnode.$attrs$ = vnodeData;
    if (vNodeChildren.length > 0) {
        vnode.$children$ = vNodeChildren;
    }
    {
        vnode.$key$ = key;
    }
    {
        vnode.$name$ = slotName;
    }
    return vnode;
};
const newVNode = (tag, text) => {
    const vnode = {
        $flags$: 0,
        $tag$: tag,
        $text$: text,
        $elm$: null,
        $children$: null,
    };
    {
        vnode.$attrs$ = null;
    }
    {
        vnode.$key$ = null;
    }
    {
        vnode.$name$ = null;
    }
    return vnode;
};
const Host = {};
const isHost = (node) => node && node.$tag$ === Host;
const vdomFnUtils = {
    forEach: (children, cb) => children.map(convertToPublic).forEach(cb),
    map: (children, cb) => children.map(convertToPublic).map(cb).map(convertToPrivate),
};
const convertToPublic = (node) => ({
    vattrs: node.$attrs$,
    vchildren: node.$children$,
    vkey: node.$key$,
    vname: node.$name$,
    vtag: node.$tag$,
    vtext: node.$text$,
});
const convertToPrivate = (node) => {
    if (typeof node.vtag === 'function') {
        const vnodeData = Object.assign({}, node.vattrs);
        if (node.vkey) {
            vnodeData.key = node.vkey;
        }
        if (node.vname) {
            vnodeData.name = node.vname;
        }
        return h(node.vtag, vnodeData, ...(node.vchildren || []));
    }
    const vnode = newVNode(node.vtag, node.vtext);
    vnode.$attrs$ = node.vattrs;
    vnode.$children$ = node.vchildren;
    vnode.$key$ = node.vkey;
    vnode.$name$ = node.vname;
    return vnode;
};
/**
 * Production setAccessor() function based on Preact by
 * Jason Miller (@developit)
 * Licensed under the MIT License
 * https://github.com/developit/preact/blob/master/LICENSE
 *
 * Modified for Stencil's compiler and vdom
 */
const setAccessor = (elm, memberName, oldValue, newValue, isSvg, flags) => {
    if (oldValue !== newValue) {
        let isProp = isMemberInElement(elm, memberName);
        let ln = memberName.toLowerCase();
        if (memberName === 'class') {
            const classList = elm.classList;
            const oldClasses = parseClassList(oldValue);
            const newClasses = parseClassList(newValue);
            classList.remove(...oldClasses.filter(c => c && !newClasses.includes(c)));
            classList.add(...newClasses.filter(c => c && !oldClasses.includes(c)));
        }
        else if (memberName === 'style') {
            // update style attribute, css properties and values
            {
                for (const prop in oldValue) {
                    if (!newValue || newValue[prop] == null) {
                        if (prop.includes('-')) {
                            elm.style.removeProperty(prop);
                        }
                        else {
                            elm.style[prop] = '';
                        }
                    }
                }
            }
            for (const prop in newValue) {
                if (!oldValue || newValue[prop] !== oldValue[prop]) {
                    if (prop.includes('-')) {
                        elm.style.setProperty(prop, newValue[prop]);
                    }
                    else {
                        elm.style[prop] = newValue[prop];
                    }
                }
            }
        }
        else if (memberName === 'key')
            ;
        else if (memberName === 'ref') {
            // minifier will clean this up
            if (newValue) {
                newValue(elm);
            }
        }
        else if ((!isProp ) && memberName[0] === 'o' && memberName[1] === 'n') {
            // Event Handlers
            // so if the member name starts with "on" and the 3rd characters is
            // a capital letter, and it's not already a member on the element,
            // then we're assuming it's an event listener
            if (memberName[2] === '-') {
                // on- prefixed events
                // allows to be explicit about the dom event to listen without any magic
                // under the hood:
                // <my-cmp on-click> // listens for "click"
                // <my-cmp on-Click> // listens for "Click"
                // <my-cmp on-ionChange> // listens for "ionChange"
                // <my-cmp on-EVENTS> // listens for "EVENTS"
                memberName = memberName.slice(3);
            }
            else if (isMemberInElement(win, ln)) {
                // standard event
                // the JSX attribute could have been "onMouseOver" and the
                // member name "onmouseover" is on the window's prototype
                // so let's add the listener "mouseover", which is all lowercased
                memberName = ln.slice(2);
            }
            else {
                // custom event
                // the JSX attribute could have been "onMyCustomEvent"
                // so let's trim off the "on" prefix and lowercase the first character
                // and add the listener "myCustomEvent"
                // except for the first character, we keep the event name case
                memberName = ln[2] + memberName.slice(3);
            }
            if (oldValue) {
                plt.rel(elm, memberName, oldValue, false);
            }
            if (newValue) {
                plt.ael(elm, memberName, newValue, false);
            }
        }
        else {
            // Set property if it exists and it's not a SVG
            const isComplex = isComplexType(newValue);
            if ((isProp || (isComplex && newValue !== null)) && !isSvg) {
                try {
                    if (!elm.tagName.includes('-')) {
                        let n = newValue == null ? '' : newValue;
                        // Workaround for Safari, moving the <input> caret when re-assigning the same valued
                        if (memberName === 'list') {
                            isProp = false;
                            // tslint:disable-next-line: triple-equals
                        }
                        else if (oldValue == null || elm[memberName] != n) {
                            elm[memberName] = n;
                        }
                    }
                    else {
                        elm[memberName] = newValue;
                    }
                }
                catch (e) { }
            }
            /**
             * Need to manually update attribute if:
             * - memberName is not an attribute
             * - if we are rendering the host element in order to reflect attribute
             * - if it's a SVG, since properties might not work in <svg>
             * - if the newValue is null/undefined or 'false'.
             */
            let xlink = false;
            {
                if (ln !== (ln = ln.replace(/^xlink\:?/, ''))) {
                    memberName = ln;
                    xlink = true;
                }
            }
            if (newValue == null || newValue === false) {
                if (newValue !== false || elm.getAttribute(memberName) === '') {
                    if (xlink) {
                        elm.removeAttributeNS(XLINK_NS, memberName);
                    }
                    else {
                        elm.removeAttribute(memberName);
                    }
                }
            }
            else if ((!isProp || flags & 4 /* isHost */ || isSvg) && !isComplex) {
                newValue = newValue === true ? '' : newValue;
                if (xlink) {
                    elm.setAttributeNS(XLINK_NS, memberName, newValue);
                }
                else {
                    elm.setAttribute(memberName, newValue);
                }
            }
        }
    }
};
const parseClassListRegex = /\s/;
const parseClassList = (value) => (!value ? [] : value.split(parseClassListRegex));
const updateElement = (oldVnode, newVnode, isSvgMode, memberName) => {
    // if the element passed in is a shadow root, which is a document fragment
    // then we want to be adding attrs/props to the shadow root's "host" element
    // if it's not a shadow root, then we add attrs/props to the same element
    const elm = newVnode.$elm$.nodeType === 11 /* DocumentFragment */ && newVnode.$elm$.host ? newVnode.$elm$.host : newVnode.$elm$;
    const oldVnodeAttrs = (oldVnode && oldVnode.$attrs$) || EMPTY_OBJ;
    const newVnodeAttrs = newVnode.$attrs$ || EMPTY_OBJ;
    {
        // remove attributes no longer present on the vnode by setting them to undefined
        for (memberName in oldVnodeAttrs) {
            if (!(memberName in newVnodeAttrs)) {
                setAccessor(elm, memberName, oldVnodeAttrs[memberName], undefined, isSvgMode, newVnode.$flags$);
            }
        }
    }
    // add new & update changed attributes
    for (memberName in newVnodeAttrs) {
        setAccessor(elm, memberName, oldVnodeAttrs[memberName], newVnodeAttrs[memberName], isSvgMode, newVnode.$flags$);
    }
};
const createElm = (oldParentVNode, newParentVNode, childIndex, parentElm) => {
    // tslint:disable-next-line: prefer-const
    let newVNode = newParentVNode.$children$[childIndex];
    let i = 0;
    let elm;
    let childNode;
    let oldVNode;
    if (!useNativeShadowDom) {
        // remember for later we need to check to relocate nodes
        checkSlotRelocate = true;
        if (newVNode.$tag$ === 'slot') {
            if (scopeId) {
                // scoped css needs to add its scoped id to the parent element
                parentElm.classList.add(scopeId + '-s');
            }
            newVNode.$flags$ |= newVNode.$children$
                ? // slot element has fallback content
                    2 /* isSlotFallback */
                : // slot element does not have fallback content
                    1 /* isSlotReference */;
        }
    }
    if (newVNode.$text$ !== null) {
        // create text node
        elm = newVNode.$elm$ = doc.createTextNode(newVNode.$text$);
    }
    else if (newVNode.$flags$ & 1 /* isSlotReference */) {
        // create a slot reference node
        elm = newVNode.$elm$ = doc.createTextNode('');
    }
    else {
        if (!isSvgMode) {
            isSvgMode = newVNode.$tag$ === 'svg';
        }
        // create element
        elm = newVNode.$elm$ = (doc.createElementNS(isSvgMode ? SVG_NS : HTML_NS, newVNode.$flags$ & 2 /* isSlotFallback */ ? 'slot-fb' : newVNode.$tag$)
            );
        if (isSvgMode && newVNode.$tag$ === 'foreignObject') {
            isSvgMode = false;
        }
        // add css classes, attrs, props, listeners, etc.
        {
            updateElement(null, newVNode, isSvgMode);
        }
        if (isDef(scopeId) && elm['s-si'] !== scopeId) {
            // if there is a scopeId and this is the initial render
            // then let's add the scopeId as a css class
            elm.classList.add((elm['s-si'] = scopeId));
        }
        if (newVNode.$children$) {
            for (i = 0; i < newVNode.$children$.length; ++i) {
                // create the node
                childNode = createElm(oldParentVNode, newVNode, i, elm);
                // return node could have been null
                if (childNode) {
                    // append our new node
                    elm.appendChild(childNode);
                }
            }
        }
        {
            if (newVNode.$tag$ === 'svg') {
                // Only reset the SVG context when we're exiting <svg> element
                isSvgMode = false;
            }
            else if (elm.tagName === 'foreignObject') {
                // Reenter SVG context when we're exiting <foreignObject> element
                isSvgMode = true;
            }
        }
    }
    {
        elm['s-hn'] = hostTagName;
        if (newVNode.$flags$ & (2 /* isSlotFallback */ | 1 /* isSlotReference */)) {
            // remember the content reference comment
            elm['s-sr'] = true;
            // remember the content reference comment
            elm['s-cr'] = contentRef;
            // remember the slot name, or empty string for default slot
            elm['s-sn'] = newVNode.$name$ || '';
            // check if we've got an old vnode for this slot
            oldVNode = oldParentVNode && oldParentVNode.$children$ && oldParentVNode.$children$[childIndex];
            if (oldVNode && oldVNode.$tag$ === newVNode.$tag$ && oldParentVNode.$elm$) {
                // we've got an old slot vnode and the wrapper is being replaced
                // so let's move the old slot content back to it's original location
                putBackInOriginalLocation(oldParentVNode.$elm$, false);
            }
        }
    }
    return elm;
};
const putBackInOriginalLocation = (parentElm, recursive) => {
    plt.$flags$ |= 1 /* isTmpDisconnected */;
    const oldSlotChildNodes = parentElm.childNodes;
    for (let i = oldSlotChildNodes.length - 1; i >= 0; i--) {
        const childNode = oldSlotChildNodes[i];
        if (childNode['s-hn'] !== hostTagName && childNode['s-ol']) {
            // // this child node in the old element is from another component
            // // remove this node from the old slot's parent
            // childNode.remove();
            // and relocate it back to it's original location
            parentReferenceNode(childNode).insertBefore(childNode, referenceNode(childNode));
            // remove the old original location comment entirely
            // later on the patch function will know what to do
            // and move this to the correct spot in need be
            childNode['s-ol'].remove();
            childNode['s-ol'] = undefined;
            checkSlotRelocate = true;
        }
        if (recursive) {
            putBackInOriginalLocation(childNode, recursive);
        }
    }
    plt.$flags$ &= ~1 /* isTmpDisconnected */;
};
const addVnodes = (parentElm, before, parentVNode, vnodes, startIdx, endIdx) => {
    let containerElm = ((parentElm['s-cr'] && parentElm['s-cr'].parentNode) || parentElm);
    let childNode;
    if (containerElm.shadowRoot && containerElm.tagName === hostTagName) {
        containerElm = containerElm.shadowRoot;
    }
    for (; startIdx <= endIdx; ++startIdx) {
        if (vnodes[startIdx]) {
            childNode = createElm(null, parentVNode, startIdx, parentElm);
            if (childNode) {
                vnodes[startIdx].$elm$ = childNode;
                containerElm.insertBefore(childNode, referenceNode(before) );
            }
        }
    }
};
const removeVnodes = (vnodes, startIdx, endIdx, vnode, elm) => {
    for (; startIdx <= endIdx; ++startIdx) {
        if ((vnode = vnodes[startIdx])) {
            elm = vnode.$elm$;
            callNodeRefs(vnode);
            {
                // we're removing this element
                // so it's possible we need to show slot fallback content now
                checkSlotFallbackVisibility = true;
                if (elm['s-ol']) {
                    // remove the original location comment
                    elm['s-ol'].remove();
                }
                else {
                    // it's possible that child nodes of the node
                    // that's being removed are slot nodes
                    putBackInOriginalLocation(elm, true);
                }
            }
            // remove the vnode's element from the dom
            elm.remove();
        }
    }
};
const updateChildren = (parentElm, oldCh, newVNode, newCh) => {
    let oldStartIdx = 0;
    let newStartIdx = 0;
    let idxInOld = 0;
    let i = 0;
    let oldEndIdx = oldCh.length - 1;
    let oldStartVnode = oldCh[0];
    let oldEndVnode = oldCh[oldEndIdx];
    let newEndIdx = newCh.length - 1;
    let newStartVnode = newCh[0];
    let newEndVnode = newCh[newEndIdx];
    let node;
    let elmToMove;
    while (oldStartIdx <= oldEndIdx && newStartIdx <= newEndIdx) {
        if (oldStartVnode == null) {
            // Vnode might have been moved left
            oldStartVnode = oldCh[++oldStartIdx];
        }
        else if (oldEndVnode == null) {
            oldEndVnode = oldCh[--oldEndIdx];
        }
        else if (newStartVnode == null) {
            newStartVnode = newCh[++newStartIdx];
        }
        else if (newEndVnode == null) {
            newEndVnode = newCh[--newEndIdx];
        }
        else if (isSameVnode(oldStartVnode, newStartVnode)) {
            patch(oldStartVnode, newStartVnode);
            oldStartVnode = oldCh[++oldStartIdx];
            newStartVnode = newCh[++newStartIdx];
        }
        else if (isSameVnode(oldEndVnode, newEndVnode)) {
            patch(oldEndVnode, newEndVnode);
            oldEndVnode = oldCh[--oldEndIdx];
            newEndVnode = newCh[--newEndIdx];
        }
        else if (isSameVnode(oldStartVnode, newEndVnode)) {
            // Vnode moved right
            if ((oldStartVnode.$tag$ === 'slot' || newEndVnode.$tag$ === 'slot')) {
                putBackInOriginalLocation(oldStartVnode.$elm$.parentNode, false);
            }
            patch(oldStartVnode, newEndVnode);
            parentElm.insertBefore(oldStartVnode.$elm$, oldEndVnode.$elm$.nextSibling);
            oldStartVnode = oldCh[++oldStartIdx];
            newEndVnode = newCh[--newEndIdx];
        }
        else if (isSameVnode(oldEndVnode, newStartVnode)) {
            // Vnode moved left
            if ((oldStartVnode.$tag$ === 'slot' || newEndVnode.$tag$ === 'slot')) {
                putBackInOriginalLocation(oldEndVnode.$elm$.parentNode, false);
            }
            patch(oldEndVnode, newStartVnode);
            parentElm.insertBefore(oldEndVnode.$elm$, oldStartVnode.$elm$);
            oldEndVnode = oldCh[--oldEndIdx];
            newStartVnode = newCh[++newStartIdx];
        }
        else {
            // createKeyToOldIdx
            idxInOld = -1;
            {
                for (i = oldStartIdx; i <= oldEndIdx; ++i) {
                    if (oldCh[i] && oldCh[i].$key$ !== null && oldCh[i].$key$ === newStartVnode.$key$) {
                        idxInOld = i;
                        break;
                    }
                }
            }
            if (idxInOld >= 0) {
                elmToMove = oldCh[idxInOld];
                if (elmToMove.$tag$ !== newStartVnode.$tag$) {
                    node = createElm(oldCh && oldCh[newStartIdx], newVNode, idxInOld, parentElm);
                }
                else {
                    patch(elmToMove, newStartVnode);
                    oldCh[idxInOld] = undefined;
                    node = elmToMove.$elm$;
                }
                newStartVnode = newCh[++newStartIdx];
            }
            else {
                // new element
                node = createElm(oldCh && oldCh[newStartIdx], newVNode, newStartIdx, parentElm);
                newStartVnode = newCh[++newStartIdx];
            }
            if (node) {
                {
                    parentReferenceNode(oldStartVnode.$elm$).insertBefore(node, referenceNode(oldStartVnode.$elm$));
                }
            }
        }
    }
    if (oldStartIdx > oldEndIdx) {
        addVnodes(parentElm, newCh[newEndIdx + 1] == null ? null : newCh[newEndIdx + 1].$elm$, newVNode, newCh, newStartIdx, newEndIdx);
    }
    else if (newStartIdx > newEndIdx) {
        removeVnodes(oldCh, oldStartIdx, oldEndIdx);
    }
};
const isSameVnode = (vnode1, vnode2) => {
    // compare if two vnode to see if they're "technically" the same
    // need to have the same element tag, and same key to be the same
    if (vnode1.$tag$ === vnode2.$tag$) {
        if (vnode1.$tag$ === 'slot') {
            return vnode1.$name$ === vnode2.$name$;
        }
        {
            return vnode1.$key$ === vnode2.$key$;
        }
    }
    return false;
};
const referenceNode = (node) => {
    // this node was relocated to a new location in the dom
    // because of some other component's slot
    // but we still have an html comment in place of where
    // it's original location was according to it's original vdom
    return (node && node['s-ol']) || node;
};
const parentReferenceNode = (node) => (node['s-ol'] ? node['s-ol'] : node).parentNode;
const patch = (oldVNode, newVNode) => {
    const elm = (newVNode.$elm$ = oldVNode.$elm$);
    const oldChildren = oldVNode.$children$;
    const newChildren = newVNode.$children$;
    const tag = newVNode.$tag$;
    const text = newVNode.$text$;
    let defaultHolder;
    if (text === null) {
        {
            // test if we're rendering an svg element, or still rendering nodes inside of one
            // only add this to the when the compiler sees we're using an svg somewhere
            isSvgMode = tag === 'svg' ? true : tag === 'foreignObject' ? false : isSvgMode;
        }
        // element node
        {
            if (tag === 'slot')
                ;
            else {
                // either this is the first render of an element OR it's an update
                // AND we already know it's possible it could have changed
                // this updates the element's css classes, attrs, props, listeners, etc.
                updateElement(oldVNode, newVNode, isSvgMode);
            }
        }
        if (oldChildren !== null && newChildren !== null) {
            // looks like there's child vnodes for both the old and new vnodes
            updateChildren(elm, oldChildren, newVNode, newChildren);
        }
        else if (newChildren !== null) {
            // no old child vnodes, but there are new child vnodes to add
            if (oldVNode.$text$ !== null) {
                // the old vnode was text, so be sure to clear it out
                elm.textContent = '';
            }
            // add the new vnode children
            addVnodes(elm, null, newVNode, newChildren, 0, newChildren.length - 1);
        }
        else if (oldChildren !== null) {
            // no new child vnodes, but there are old child vnodes to remove
            removeVnodes(oldChildren, 0, oldChildren.length - 1);
        }
        if (isSvgMode && tag === 'svg') {
            isSvgMode = false;
        }
    }
    else if ((defaultHolder = elm['s-cr'])) {
        // this element has slotted content
        defaultHolder.parentNode.textContent = text;
    }
    else if (oldVNode.$text$ !== text) {
        // update the text content for the text only vnode
        // and also only if the text is different than before
        elm.data = text;
    }
};
const updateFallbackSlotVisibility = (elm) => {
    // tslint:disable-next-line: prefer-const
    let childNodes = elm.childNodes;
    let childNode;
    let i;
    let ilen;
    let j;
    let slotNameAttr;
    let nodeType;
    for (i = 0, ilen = childNodes.length; i < ilen; i++) {
        childNode = childNodes[i];
        if (childNode.nodeType === 1 /* ElementNode */) {
            if (childNode['s-sr']) {
                // this is a slot fallback node
                // get the slot name for this slot reference node
                slotNameAttr = childNode['s-sn'];
                // by default always show a fallback slot node
                // then hide it if there are other slots in the light dom
                childNode.hidden = false;
                for (j = 0; j < ilen; j++) {
                    nodeType = childNodes[j].nodeType;
                    if (childNodes[j]['s-hn'] !== childNode['s-hn'] || slotNameAttr !== '') {
                        // this sibling node is from a different component OR is a named fallback slot node
                        if (nodeType === 1 /* ElementNode */ && slotNameAttr === childNodes[j].getAttribute('slot')) {
                            childNode.hidden = true;
                            break;
                        }
                    }
                    else {
                        // this is a default fallback slot node
                        // any element or text node (with content)
                        // should hide the default fallback slot node
                        if (nodeType === 1 /* ElementNode */ ||
                            (nodeType === 3 /* TextNode */ && childNodes[j].textContent.trim() !== '')) {
                            childNode.hidden = true;
                            break;
                        }
                    }
                }
            }
            // keep drilling down
            updateFallbackSlotVisibility(childNode);
        }
    }
};
const relocateNodes = [];
const relocateSlotContent = (elm) => {
    // tslint:disable-next-line: prefer-const
    let childNode;
    let node;
    let hostContentNodes;
    let slotNameAttr;
    let relocateNodeData;
    let j;
    let i = 0;
    let childNodes = elm.childNodes;
    let ilen = childNodes.length;
    for (; i < ilen; i++) {
        childNode = childNodes[i];
        if (childNode['s-sr'] && (node = childNode['s-cr']) && node.parentNode) {
            // first got the content reference comment node
            // then we got it's parent, which is where all the host content is in now
            hostContentNodes = node.parentNode.childNodes;
            slotNameAttr = childNode['s-sn'];
            for (j = hostContentNodes.length - 1; j >= 0; j--) {
                node = hostContentNodes[j];
                if (!node['s-cn'] && !node['s-nr'] && node['s-hn'] !== childNode['s-hn']) {
                    // let's do some relocating to its new home
                    // but never relocate a content reference node
                    // that is suppose to always represent the original content location
                    if (isNodeLocatedInSlot(node, slotNameAttr)) {
                        // it's possible we've already decided to relocate this node
                        relocateNodeData = relocateNodes.find(r => r.$nodeToRelocate$ === node);
                        // made some changes to slots
                        // let's make sure we also double check
                        // fallbacks are correctly hidden or shown
                        checkSlotFallbackVisibility = true;
                        node['s-sn'] = node['s-sn'] || slotNameAttr;
                        if (relocateNodeData) {
                            // previously we never found a slot home for this node
                            // but turns out we did, so let's remember it now
                            relocateNodeData.$slotRefNode$ = childNode;
                        }
                        else {
                            // add to our list of nodes to relocate
                            relocateNodes.push({
                                $slotRefNode$: childNode,
                                $nodeToRelocate$: node,
                            });
                        }
                        if (node['s-sr']) {
                            relocateNodes.map(relocateNode => {
                                if (isNodeLocatedInSlot(relocateNode.$nodeToRelocate$, node['s-sn'])) {
                                    relocateNodeData = relocateNodes.find(r => r.$nodeToRelocate$ === node);
                                    if (relocateNodeData && !relocateNode.$slotRefNode$) {
                                        relocateNode.$slotRefNode$ = relocateNodeData.$slotRefNode$;
                                    }
                                }
                            });
                        }
                    }
                    else if (!relocateNodes.some(r => r.$nodeToRelocate$ === node)) {
                        // so far this element does not have a slot home, not setting slotRefNode on purpose
                        // if we never find a home for this element then we'll need to hide it
                        relocateNodes.push({
                            $nodeToRelocate$: node,
                        });
                    }
                }
            }
        }
        if (childNode.nodeType === 1 /* ElementNode */) {
            relocateSlotContent(childNode);
        }
    }
};
const isNodeLocatedInSlot = (nodeToRelocate, slotNameAttr) => {
    if (nodeToRelocate.nodeType === 1 /* ElementNode */) {
        if (nodeToRelocate.getAttribute('slot') === null && slotNameAttr === '') {
            return true;
        }
        if (nodeToRelocate.getAttribute('slot') === slotNameAttr) {
            return true;
        }
        return false;
    }
    if (nodeToRelocate['s-sn'] === slotNameAttr) {
        return true;
    }
    return slotNameAttr === '';
};
const callNodeRefs = (vNode) => {
    {
        vNode.$attrs$ && vNode.$attrs$.ref && vNode.$attrs$.ref(null);
        vNode.$children$ && vNode.$children$.map(callNodeRefs);
    }
};
const renderVdom = (hostRef, renderFnResults) => {
    const hostElm = hostRef.$hostElement$;
    const cmpMeta = hostRef.$cmpMeta$;
    const oldVNode = hostRef.$vnode$ || newVNode(null, null);
    const rootVnode = isHost(renderFnResults) ? renderFnResults : h(null, null, renderFnResults);
    hostTagName = hostElm.tagName;
    if (cmpMeta.$attrsToReflect$) {
        rootVnode.$attrs$ = rootVnode.$attrs$ || {};
        cmpMeta.$attrsToReflect$.map(([propName, attribute]) => (rootVnode.$attrs$[attribute] = hostElm[propName]));
    }
    rootVnode.$tag$ = null;
    rootVnode.$flags$ |= 4 /* isHost */;
    hostRef.$vnode$ = rootVnode;
    rootVnode.$elm$ = oldVNode.$elm$ = (hostElm.shadowRoot || hostElm );
    {
        scopeId = hostElm['s-sc'];
    }
    {
        contentRef = hostElm['s-cr'];
        useNativeShadowDom = supportsShadow && (cmpMeta.$flags$ & 1 /* shadowDomEncapsulation */) !== 0;
        // always reset
        checkSlotFallbackVisibility = false;
    }
    // synchronous patch
    patch(oldVNode, rootVnode);
    {
        // while we're moving nodes around existing nodes, temporarily disable
        // the disconnectCallback from working
        plt.$flags$ |= 1 /* isTmpDisconnected */;
        if (checkSlotRelocate) {
            relocateSlotContent(rootVnode.$elm$);
            let relocateData;
            let nodeToRelocate;
            let orgLocationNode;
            let parentNodeRef;
            let insertBeforeNode;
            let refNode;
            let i = 0;
            for (; i < relocateNodes.length; i++) {
                relocateData = relocateNodes[i];
                nodeToRelocate = relocateData.$nodeToRelocate$;
                if (!nodeToRelocate['s-ol']) {
                    // add a reference node marking this node's original location
                    // keep a reference to this node for later lookups
                    orgLocationNode = doc.createTextNode('');
                    orgLocationNode['s-nr'] = nodeToRelocate;
                    nodeToRelocate.parentNode.insertBefore((nodeToRelocate['s-ol'] = orgLocationNode), nodeToRelocate);
                }
            }
            for (i = 0; i < relocateNodes.length; i++) {
                relocateData = relocateNodes[i];
                nodeToRelocate = relocateData.$nodeToRelocate$;
                if (relocateData.$slotRefNode$) {
                    // by default we're just going to insert it directly
                    // after the slot reference node
                    parentNodeRef = relocateData.$slotRefNode$.parentNode;
                    insertBeforeNode = relocateData.$slotRefNode$.nextSibling;
                    orgLocationNode = nodeToRelocate['s-ol'];
                    while ((orgLocationNode = orgLocationNode.previousSibling)) {
                        refNode = orgLocationNode['s-nr'];
                        if (refNode && refNode['s-sn'] === nodeToRelocate['s-sn'] && parentNodeRef === refNode.parentNode) {
                            refNode = refNode.nextSibling;
                            if (!refNode || !refNode['s-nr']) {
                                insertBeforeNode = refNode;
                                break;
                            }
                        }
                    }
                    if ((!insertBeforeNode && parentNodeRef !== nodeToRelocate.parentNode) || nodeToRelocate.nextSibling !== insertBeforeNode) {
                        // we've checked that it's worth while to relocate
                        // since that the node to relocate
                        // has a different next sibling or parent relocated
                        if (nodeToRelocate !== insertBeforeNode) {
                            if (!nodeToRelocate['s-hn'] && nodeToRelocate['s-ol']) {
                                // probably a component in the index.html that doesn't have it's hostname set
                                nodeToRelocate['s-hn'] = nodeToRelocate['s-ol'].parentNode.nodeName;
                            }
                            // add it back to the dom but in its new home
                            parentNodeRef.insertBefore(nodeToRelocate, insertBeforeNode);
                        }
                    }
                }
                else {
                    // this node doesn't have a slot home to go to, so let's hide it
                    if (nodeToRelocate.nodeType === 1 /* ElementNode */) {
                        nodeToRelocate.hidden = true;
                    }
                }
            }
        }
        if (checkSlotFallbackVisibility) {
            updateFallbackSlotVisibility(rootVnode.$elm$);
        }
        // done moving nodes around
        // allow the disconnect callback to work again
        plt.$flags$ &= ~1 /* isTmpDisconnected */;
        // always reset
        relocateNodes.length = 0;
    }
};
const getElement = (ref) => (getHostRef(ref).$hostElement$ );
const createEvent = (ref, name, flags) => {
    const elm = getElement(ref);
    return {
        emit: (detail) => {
            return emitEvent(elm, name, {
                bubbles: !!(flags & 4 /* Bubbles */),
                composed: !!(flags & 2 /* Composed */),
                cancelable: !!(flags & 1 /* Cancellable */),
                detail,
            });
        },
    };
};
const emitEvent = (elm, name, opts) => {
    const ev = plt.ce(name, opts);
    elm.dispatchEvent(ev);
    return ev;
};
const attachToAncestor = (hostRef, ancestorComponent) => {
    if (ancestorComponent && !hostRef.$onRenderResolve$ && ancestorComponent['s-p']) {
        ancestorComponent['s-p'].push(new Promise(r => (hostRef.$onRenderResolve$ = r)));
    }
};
const scheduleUpdate = (hostRef, isInitialLoad) => {
    {
        hostRef.$flags$ |= 16 /* isQueuedForUpdate */;
    }
    if (hostRef.$flags$ & 4 /* isWaitingForChildren */) {
        hostRef.$flags$ |= 512 /* needsRerender */;
        return;
    }
    attachToAncestor(hostRef, hostRef.$ancestorComponent$);
    // there is no ancestor component or the ancestor component
    // has already fired off its lifecycle update then
    // fire off the initial update
    const dispatch = () => dispatchHooks(hostRef, isInitialLoad);
    return writeTask(dispatch) ;
};
const dispatchHooks = (hostRef, isInitialLoad) => {
    const endSchedule = createTime('scheduleUpdate', hostRef.$cmpMeta$.$tagName$);
    const instance = hostRef.$lazyInstance$ ;
    let promise;
    if (isInitialLoad) {
        {
            hostRef.$flags$ |= 256 /* isListenReady */;
            if (hostRef.$queuedListeners$) {
                hostRef.$queuedListeners$.map(([methodName, event]) => safeCall(instance, methodName, event));
                hostRef.$queuedListeners$ = null;
            }
        }
        {
            promise = safeCall(instance, 'componentWillLoad');
        }
    }
    {
        promise = then(promise, () => safeCall(instance, 'componentWillRender'));
    }
    endSchedule();
    return then(promise, () => updateComponent(hostRef, instance, isInitialLoad));
};
const updateComponent = async (hostRef, instance, isInitialLoad) => {
    // updateComponent
    const elm = hostRef.$hostElement$;
    const endUpdate = createTime('update', hostRef.$cmpMeta$.$tagName$);
    const rc = elm['s-rc'];
    if (isInitialLoad) {
        // DOM WRITE!
        attachStyles(hostRef);
    }
    const endRender = createTime('render', hostRef.$cmpMeta$.$tagName$);
    {
        callRender(hostRef, instance);
    }
    if (plt.$cssShim$) {
        plt.$cssShim$.updateHost(elm);
    }
    if (rc) {
        // ok, so turns out there are some child host elements
        // waiting on this parent element to load
        // let's fire off all update callbacks waiting
        rc.map(cb => cb());
        elm['s-rc'] = undefined;
    }
    endRender();
    endUpdate();
    {
        const childrenPromises = elm['s-p'];
        const postUpdate = () => postUpdateComponent(hostRef);
        if (childrenPromises.length === 0) {
            postUpdate();
        }
        else {
            Promise.all(childrenPromises).then(postUpdate);
            hostRef.$flags$ |= 4 /* isWaitingForChildren */;
            childrenPromises.length = 0;
        }
    }
};
const callRender = (hostRef, instance, elm) => {
    try {
        instance = instance.render && instance.render();
        {
            hostRef.$flags$ &= ~16 /* isQueuedForUpdate */;
        }
        {
            hostRef.$flags$ |= 2 /* hasRendered */;
        }
        {
            {
                // looks like we've got child nodes to render into this host element
                // or we need to update the css class/attrs on the host element
                // DOM WRITE!
                {
                    renderVdom(hostRef, instance);
                }
            }
        }
    }
    catch (e) {
        consoleError(e, hostRef.$hostElement$);
    }
    return null;
};
const postUpdateComponent = (hostRef) => {
    const tagName = hostRef.$cmpMeta$.$tagName$;
    const elm = hostRef.$hostElement$;
    const endPostUpdate = createTime('postUpdate', tagName);
    const instance = hostRef.$lazyInstance$ ;
    const ancestorComponent = hostRef.$ancestorComponent$;
    if (!(hostRef.$flags$ & 64 /* hasLoadedComponent */)) {
        hostRef.$flags$ |= 64 /* hasLoadedComponent */;
        {
            // DOM WRITE!
            addHydratedFlag(elm);
        }
        {
            safeCall(instance, 'componentDidLoad');
        }
        endPostUpdate();
        {
            hostRef.$onReadyResolve$(elm);
            if (!ancestorComponent) {
                appDidLoad();
            }
        }
    }
    else {
        {
            safeCall(instance, 'componentDidUpdate');
        }
        endPostUpdate();
    }
    {
        hostRef.$onInstanceResolve$(elm);
    }
    // load events fire from bottom to top
    // the deepest elements load first then bubbles up
    {
        if (hostRef.$onRenderResolve$) {
            hostRef.$onRenderResolve$();
            hostRef.$onRenderResolve$ = undefined;
        }
        if (hostRef.$flags$ & 512 /* needsRerender */) {
            nextTick(() => scheduleUpdate(hostRef, false));
        }
        hostRef.$flags$ &= ~(4 /* isWaitingForChildren */ | 512 /* needsRerender */);
    }
    // ( •_•)
    // ( •_•)>⌐■-■
    // (⌐■_■)
};
const forceUpdate = (ref) => {
    {
        const hostRef = getHostRef(ref);
        const isConnected = hostRef.$hostElement$.isConnected;
        if (isConnected && (hostRef.$flags$ & (2 /* hasRendered */ | 16 /* isQueuedForUpdate */)) === 2 /* hasRendered */) {
            scheduleUpdate(hostRef, false);
        }
        // Returns "true" when the forced update was successfully scheduled
        return isConnected;
    }
};
const appDidLoad = (who) => {
    // on appload
    // we have finish the first big initial render
    {
        addHydratedFlag(doc.documentElement);
    }
    nextTick(() => emitEvent(win, 'appload', { detail: { namespace: NAMESPACE } }));
};
const safeCall = (instance, method, arg) => {
    if (instance && instance[method]) {
        try {
            return instance[method](arg);
        }
        catch (e) {
            consoleError(e);
        }
    }
    return undefined;
};
const then = (promise, thenFn) => {
    return promise && promise.then ? promise.then(thenFn) : thenFn();
};
const addHydratedFlag = (elm) => (elm.classList.add('hydrated') );
const initializeClientHydrate = (hostElm, tagName, hostId, hostRef) => {
    const endHydrate = createTime('hydrateClient', tagName);
    const shadowRoot = hostElm.shadowRoot;
    const childRenderNodes = [];
    const slotNodes = [];
    const shadowRootNodes = shadowRoot ? [] : null;
    const vnode = (hostRef.$vnode$ = newVNode(tagName, null));
    if (!plt.$orgLocNodes$) {
        initializeDocumentHydrate(doc.body, (plt.$orgLocNodes$ = new Map()));
    }
    hostElm[HYDRATE_ID] = hostId;
    hostElm.removeAttribute(HYDRATE_ID);
    clientHydrate(vnode, childRenderNodes, slotNodes, shadowRootNodes, hostElm, hostElm, hostId);
    childRenderNodes.map(c => {
        const orgLocationId = c.$hostId$ + '.' + c.$nodeId$;
        const orgLocationNode = plt.$orgLocNodes$.get(orgLocationId);
        const node = c.$elm$;
        if (orgLocationNode && supportsShadow && orgLocationNode['s-en'] === '') {
            orgLocationNode.parentNode.insertBefore(node, orgLocationNode.nextSibling);
        }
        if (!shadowRoot) {
            node['s-hn'] = tagName;
            if (orgLocationNode) {
                node['s-ol'] = orgLocationNode;
                node['s-ol']['s-nr'] = node;
            }
        }
        plt.$orgLocNodes$.delete(orgLocationId);
    });
    if (shadowRoot) {
        shadowRootNodes.map(shadowRootNode => {
            if (shadowRootNode) {
                shadowRoot.appendChild(shadowRootNode);
            }
        });
    }
    endHydrate();
};
const clientHydrate = (parentVNode, childRenderNodes, slotNodes, shadowRootNodes, hostElm, node, hostId) => {
    let childNodeType;
    let childIdSplt;
    let childVNode;
    let i;
    if (node.nodeType === 1 /* ElementNode */) {
        childNodeType = node.getAttribute(HYDRATE_CHILD_ID);
        if (childNodeType) {
            // got the node data from the element's attribute
            // `${hostId}.${nodeId}.${depth}.${index}`
            childIdSplt = childNodeType.split('.');
            if (childIdSplt[0] === hostId || childIdSplt[0] === '0') {
                childVNode = {
                    $flags$: 0,
                    $hostId$: childIdSplt[0],
                    $nodeId$: childIdSplt[1],
                    $depth$: childIdSplt[2],
                    $index$: childIdSplt[3],
                    $tag$: node.tagName.toLowerCase(),
                    $elm$: node,
                    $attrs$: null,
                    $children$: null,
                    $key$: null,
                    $name$: null,
                    $text$: null,
                };
                childRenderNodes.push(childVNode);
                node.removeAttribute(HYDRATE_CHILD_ID);
                // this is a new child vnode
                // so ensure its parent vnode has the vchildren array
                if (!parentVNode.$children$) {
                    parentVNode.$children$ = [];
                }
                // add our child vnode to a specific index of the vnode's children
                parentVNode.$children$[childVNode.$index$] = childVNode;
                // this is now the new parent vnode for all the next child checks
                parentVNode = childVNode;
                if (shadowRootNodes && childVNode.$depth$ === '0') {
                    shadowRootNodes[childVNode.$index$] = childVNode.$elm$;
                }
            }
        }
        // recursively drill down, end to start so we can remove nodes
        for (i = node.childNodes.length - 1; i >= 0; i--) {
            clientHydrate(parentVNode, childRenderNodes, slotNodes, shadowRootNodes, hostElm, node.childNodes[i], hostId);
        }
        if (node.shadowRoot) {
            // keep drilling down through the shadow root nodes
            for (i = node.shadowRoot.childNodes.length - 1; i >= 0; i--) {
                clientHydrate(parentVNode, childRenderNodes, slotNodes, shadowRootNodes, hostElm, node.shadowRoot.childNodes[i], hostId);
            }
        }
    }
    else if (node.nodeType === 8 /* CommentNode */) {
        // `${COMMENT_TYPE}.${hostId}.${nodeId}.${depth}.${index}`
        childIdSplt = node.nodeValue.split('.');
        if (childIdSplt[1] === hostId || childIdSplt[1] === '0') {
            // comment node for either the host id or a 0 host id
            childNodeType = childIdSplt[0];
            childVNode = {
                $flags$: 0,
                $hostId$: childIdSplt[1],
                $nodeId$: childIdSplt[2],
                $depth$: childIdSplt[3],
                $index$: childIdSplt[4],
                $elm$: node,
                $attrs$: null,
                $children$: null,
                $key$: null,
                $name$: null,
                $tag$: null,
                $text$: null,
            };
            if (childNodeType === TEXT_NODE_ID) {
                childVNode.$elm$ = node.nextSibling;
                if (childVNode.$elm$ && childVNode.$elm$.nodeType === 3 /* TextNode */) {
                    childVNode.$text$ = childVNode.$elm$.textContent;
                    childRenderNodes.push(childVNode);
                    // remove the text comment since it's no longer needed
                    node.remove();
                    if (!parentVNode.$children$) {
                        parentVNode.$children$ = [];
                    }
                    parentVNode.$children$[childVNode.$index$] = childVNode;
                    if (shadowRootNodes && childVNode.$depth$ === '0') {
                        shadowRootNodes[childVNode.$index$] = childVNode.$elm$;
                    }
                }
            }
            else if (childVNode.$hostId$ === hostId) {
                // this comment node is specifcally for this host id
                if (childNodeType === SLOT_NODE_ID) {
                    // `${SLOT_NODE_ID}.${hostId}.${nodeId}.${depth}.${index}.${slotName}`;
                    childVNode.$tag$ = 'slot';
                    if (childIdSplt[5]) {
                        node['s-sn'] = childVNode.$name$ = childIdSplt[5];
                    }
                    else {
                        node['s-sn'] = '';
                    }
                    node['s-sr'] = true;
                    if (shadowRootNodes) {
                        // browser support shadowRoot and this is a shadow dom component
                        // create an actual slot element
                        childVNode.$elm$ = doc.createElement(childVNode.$tag$);
                        if (childVNode.$name$) {
                            // add the slot name attribute
                            childVNode.$elm$.setAttribute('name', childVNode.$name$);
                        }
                        // insert the new slot element before the slot comment
                        node.parentNode.insertBefore(childVNode.$elm$, node);
                        // remove the slot comment since it's not needed for shadow
                        node.remove();
                        if (childVNode.$depth$ === '0') {
                            shadowRootNodes[childVNode.$index$] = childVNode.$elm$;
                        }
                    }
                    slotNodes.push(childVNode);
                    if (!parentVNode.$children$) {
                        parentVNode.$children$ = [];
                    }
                    parentVNode.$children$[childVNode.$index$] = childVNode;
                }
                else if (childNodeType === CONTENT_REF_ID) {
                    // `${CONTENT_REF_ID}.${hostId}`;
                    if (shadowRootNodes) {
                        // remove the content ref comment since it's not needed for shadow
                        node.remove();
                    }
                    else {
                        hostElm['s-cr'] = node;
                        node['s-cn'] = true;
                    }
                }
            }
        }
    }
    else if (parentVNode && parentVNode.$tag$ === 'style') {
        const vnode = newVNode(null, node.textContent);
        vnode.$elm$ = node;
        vnode.$index$ = '0';
        parentVNode.$children$ = [vnode];
    }
};
const initializeDocumentHydrate = (node, orgLocNodes) => {
    if (node.nodeType === 1 /* ElementNode */) {
        let i = 0;
        for (; i < node.childNodes.length; i++) {
            initializeDocumentHydrate(node.childNodes[i], orgLocNodes);
        }
        if (node.shadowRoot) {
            for (i = 0; i < node.shadowRoot.childNodes.length; i++) {
                initializeDocumentHydrate(node.shadowRoot.childNodes[i], orgLocNodes);
            }
        }
    }
    else if (node.nodeType === 8 /* CommentNode */) {
        const childIdSplt = node.nodeValue.split('.');
        if (childIdSplt[0] === ORG_LOCATION_ID) {
            orgLocNodes.set(childIdSplt[1] + '.' + childIdSplt[2], node);
            node.nodeValue = '';
            // useful to know if the original location is
            // the root light-dom of a shadow dom component
            node['s-en'] = childIdSplt[3];
        }
    }
};
const parsePropertyValue = (propValue, propType) => {
    // ensure this value is of the correct prop type
    if (propValue != null && !isComplexType(propValue)) {
        if (propType & 4 /* Boolean */) {
            // per the HTML spec, any string value means it is a boolean true value
            // but we'll cheat here and say that the string "false" is the boolean false
            return propValue === 'false' ? false : propValue === '' || !!propValue;
        }
        if (propType & 2 /* Number */) {
            // force it to be a number
            return parseFloat(propValue);
        }
        if (propType & 1 /* String */) {
            // could have been passed as a number or boolean
            // but we still want it as a string
            return String(propValue);
        }
        // redundant return here for better minification
        return propValue;
    }
    // not sure exactly what type we want
    // so no need to change to a different type
    return propValue;
};
const getValue = (ref, propName) => getHostRef(ref).$instanceValues$.get(propName);
const setValue = (ref, propName, newVal, cmpMeta) => {
    // check our new property value against our internal value
    const hostRef = getHostRef(ref);
    const elm = hostRef.$hostElement$ ;
    const oldVal = hostRef.$instanceValues$.get(propName);
    const flags = hostRef.$flags$;
    const instance = hostRef.$lazyInstance$ ;
    newVal = parsePropertyValue(newVal, cmpMeta.$members$[propName][0]);
    if ((!(flags & 8 /* isConstructingInstance */) || oldVal === undefined) && newVal !== oldVal) {
        // gadzooks! the property's value has changed!!
        // set our new value!
        hostRef.$instanceValues$.set(propName, newVal);
        if (instance) {
            // get an array of method names of watch functions to call
            if (cmpMeta.$watchers$ && flags & 128 /* isWatchReady */) {
                const watchMethods = cmpMeta.$watchers$[propName];
                if (watchMethods) {
                    // this instance is watching for when this property changed
                    watchMethods.map(watchMethodName => {
                        try {
                            // fire off each of the watch methods that are watching this property
                            instance[watchMethodName](newVal, oldVal, propName);
                        }
                        catch (e) {
                            consoleError(e, elm);
                        }
                    });
                }
            }
            if ((flags & (2 /* hasRendered */ | 16 /* isQueuedForUpdate */)) === 2 /* hasRendered */) {
                // looks like this value actually changed, so we've got work to do!
                // but only if we've already rendered, otherwise just chill out
                // queue that we need to do an update, but don't worry about queuing
                // up millions cuz this function ensures it only runs once
                scheduleUpdate(hostRef, false);
            }
        }
    }
};
const proxyComponent = (Cstr, cmpMeta, flags) => {
    if (cmpMeta.$members$) {
        if (Cstr.watchers) {
            cmpMeta.$watchers$ = Cstr.watchers;
        }
        // It's better to have a const than two Object.entries()
        const members = Object.entries(cmpMeta.$members$);
        const prototype = Cstr.prototype;
        members.map(([memberName, [memberFlags]]) => {
            if ((memberFlags & 31 /* Prop */ || ((flags & 2 /* proxyState */) && memberFlags & 32 /* State */))) {
                // proxyComponent - prop
                Object.defineProperty(prototype, memberName, {
                    get() {
                        // proxyComponent, get value
                        return getValue(this, memberName);
                    },
                    set(newValue) {
                        // proxyComponent, set value
                        setValue(this, memberName, newValue, cmpMeta);
                    },
                    configurable: true,
                    enumerable: true,
                });
            }
            else if (flags & 1 /* isElementConstructor */ && memberFlags & 64 /* Method */) {
                // proxyComponent - method
                Object.defineProperty(prototype, memberName, {
                    value(...args) {
                        const ref = getHostRef(this);
                        return ref.$onInstancePromise$.then(() => ref.$lazyInstance$[memberName](...args));
                    },
                });
            }
        });
        if ((flags & 1 /* isElementConstructor */)) {
            const attrNameToPropName = new Map();
            prototype.attributeChangedCallback = function (attrName, _oldValue, newValue) {
                plt.jmp(() => {
                    const propName = attrNameToPropName.get(attrName);
                    this[propName] = newValue === null && typeof this[propName] === 'boolean' ? false : newValue;
                });
            };
            // create an array of attributes to observe
            // and also create a map of html attribute name to js property name
            Cstr.observedAttributes = members
                .filter(([_, m]) => m[0] & 15 /* HasAttribute */) // filter to only keep props that should match attributes
                .map(([propName, m]) => {
                const attrName = m[1] || propName;
                attrNameToPropName.set(attrName, propName);
                if (m[0] & 512 /* ReflectAttr */) {
                    cmpMeta.$attrsToReflect$.push([propName, attrName]);
                }
                return attrName;
            });
        }
    }
    return Cstr;
};
const initializeComponent = async (elm, hostRef, cmpMeta, hmrVersionId, Cstr) => {
    // initializeComponent
    if ((hostRef.$flags$ & 32 /* hasInitializedComponent */) === 0) {
        {
            // we haven't initialized this element yet
            hostRef.$flags$ |= 32 /* hasInitializedComponent */;
            // lazy loaded components
            // request the component's implementation to be
            // wired up with the host element
            Cstr = loadModule(cmpMeta);
            if (Cstr.then) {
                // Await creates a micro-task avoid if possible
                const endLoad = uniqueTime();
                Cstr = await Cstr;
                endLoad();
            }
            if (!Cstr.isProxied) {
                // we'eve never proxied this Constructor before
                // let's add the getters/setters to its prototype before
                // the first time we create an instance of the implementation
                {
                    cmpMeta.$watchers$ = Cstr.watchers;
                }
                proxyComponent(Cstr, cmpMeta, 2 /* proxyState */);
                Cstr.isProxied = true;
            }
            const endNewInstance = createTime('createInstance', cmpMeta.$tagName$);
            // ok, time to construct the instance
            // but let's keep track of when we start and stop
            // so that the getters/setters don't incorrectly step on data
            {
                hostRef.$flags$ |= 8 /* isConstructingInstance */;
            }
            // construct the lazy-loaded component implementation
            // passing the hostRef is very important during
            // construction in order to directly wire together the
            // host element and the lazy-loaded instance
            try {
                new Cstr(hostRef);
            }
            catch (e) {
                consoleError(e);
            }
            {
                hostRef.$flags$ &= ~8 /* isConstructingInstance */;
            }
            {
                hostRef.$flags$ |= 128 /* isWatchReady */;
            }
            endNewInstance();
            fireConnectedCallback(hostRef.$lazyInstance$);
        }
        if (Cstr.style) {
            // this component has styles but we haven't registered them yet
            let style = Cstr.style;
            if (typeof style !== 'string') {
                style = style[(hostRef.$modeName$ = computeMode(elm))];
            }
            const scopeId = getScopeId(cmpMeta, hostRef.$modeName$);
            if (!styles.has(scopeId)) {
                const endRegisterStyles = createTime('registerStyles', cmpMeta.$tagName$);
                if (cmpMeta.$flags$ & 8 /* needsShadowDomShim */) {
                    style = await __webpack_require__.e(/*! import() */ "node_modules_ionic_core_dist_esm_shadow-css-a3f00b33_js").then(__webpack_require__.bind(__webpack_require__, /*! ./shadow-css-a3f00b33.js */ 8810)).then(m => m.scopeCss(style, scopeId, false));
                }
                registerStyle(scopeId, style, !!(cmpMeta.$flags$ & 1 /* shadowDomEncapsulation */));
                endRegisterStyles();
            }
        }
    }
    // we've successfully created a lazy instance
    const ancestorComponent = hostRef.$ancestorComponent$;
    const schedule = () => scheduleUpdate(hostRef, true);
    if (ancestorComponent && ancestorComponent['s-rc']) {
        // this is the intial load and this component it has an ancestor component
        // but the ancestor component has NOT fired its will update lifecycle yet
        // so let's just cool our jets and wait for the ancestor to continue first
        // this will get fired off when the ancestor component
        // finally gets around to rendering its lazy self
        // fire off the initial update
        ancestorComponent['s-rc'].push(schedule);
    }
    else {
        schedule();
    }
};
const fireConnectedCallback = (instance) => {
    {
        safeCall(instance, 'connectedCallback');
    }
};
const connectedCallback = (elm) => {
    if ((plt.$flags$ & 1 /* isTmpDisconnected */) === 0) {
        const hostRef = getHostRef(elm);
        const cmpMeta = hostRef.$cmpMeta$;
        const endConnected = createTime('connectedCallback', cmpMeta.$tagName$);
        if (!(hostRef.$flags$ & 1 /* hasConnected */)) {
            // first time this component has connected
            hostRef.$flags$ |= 1 /* hasConnected */;
            let hostId;
            {
                hostId = elm.getAttribute(HYDRATE_ID);
                if (hostId) {
                    if (supportsShadow && cmpMeta.$flags$ & 1 /* shadowDomEncapsulation */) {
                        const scopeId = addStyle(elm.shadowRoot, cmpMeta, elm.getAttribute('s-mode')) ;
                        elm.classList.remove(scopeId + '-h', scopeId + '-s');
                    }
                    initializeClientHydrate(elm, cmpMeta.$tagName$, hostId, hostRef);
                }
            }
            if (!hostId) {
                // initUpdate
                // if the slot polyfill is required we'll need to put some nodes
                // in here to act as original content anchors as we move nodes around
                // host element has been connected to the DOM
                if ((cmpMeta.$flags$ & (4 /* hasSlotRelocation */ | 8 /* needsShadowDomShim */))) {
                    setContentReference(elm);
                }
            }
            {
                // find the first ancestor component (if there is one) and register
                // this component as one of the actively loading child components for its ancestor
                let ancestorComponent = elm;
                while ((ancestorComponent = ancestorComponent.parentNode || ancestorComponent.host)) {
                    // climb up the ancestors looking for the first
                    // component that hasn't finished its lifecycle update yet
                    if ((ancestorComponent.nodeType === 1 /* ElementNode */ && ancestorComponent.hasAttribute('s-id') && ancestorComponent['s-p']) ||
                        ancestorComponent['s-p']) {
                        // we found this components first ancestor component
                        // keep a reference to this component's ancestor component
                        attachToAncestor(hostRef, (hostRef.$ancestorComponent$ = ancestorComponent));
                        break;
                    }
                }
            }
            // Lazy properties
            // https://developers.google.com/web/fundamentals/web-components/best-practices#lazy-properties
            if (cmpMeta.$members$) {
                Object.entries(cmpMeta.$members$).map(([memberName, [memberFlags]]) => {
                    if (memberFlags & 31 /* Prop */ && elm.hasOwnProperty(memberName)) {
                        const value = elm[memberName];
                        delete elm[memberName];
                        elm[memberName] = value;
                    }
                });
            }
            {
                // connectedCallback, taskQueue, initialLoad
                // angular sets attribute AFTER connectCallback
                // https://github.com/angular/angular/issues/18909
                // https://github.com/angular/angular/issues/19940
                nextTick(() => initializeComponent(elm, hostRef, cmpMeta));
            }
        }
        else {
            // not the first time this has connected
            // reattach any event listeners to the host
            // since they would have been removed when disconnected
            addHostEventListeners(elm, hostRef, cmpMeta.$listeners$);
            // fire off connectedCallback() on component instance
            fireConnectedCallback(hostRef.$lazyInstance$);
        }
        endConnected();
    }
};
const setContentReference = (elm) => {
    // only required when we're NOT using native shadow dom (slot)
    // or this browser doesn't support native shadow dom
    // and this host element was NOT created with SSR
    // let's pick out the inner content for slot projection
    // create a node to represent where the original
    // content was first placed, which is useful later on
    const contentRefElm = (elm['s-cr'] = doc.createComment(''));
    contentRefElm['s-cn'] = true;
    elm.insertBefore(contentRefElm, elm.firstChild);
};
const disconnectedCallback = (elm) => {
    if ((plt.$flags$ & 1 /* isTmpDisconnected */) === 0) {
        const hostRef = getHostRef(elm);
        const instance = hostRef.$lazyInstance$ ;
        {
            if (hostRef.$rmListeners$) {
                hostRef.$rmListeners$.map(rmListener => rmListener());
                hostRef.$rmListeners$ = undefined;
            }
        }
        // clear CSS var-shim tracking
        if (plt.$cssShim$) {
            plt.$cssShim$.removeHost(elm);
        }
        {
            safeCall(instance, 'disconnectedCallback');
        }
    }
};
const bootstrapLazy = (lazyBundles, options = {}) => {
    const endBootstrap = createTime();
    const cmpTags = [];
    const exclude = options.exclude || [];
    const customElements = win.customElements;
    const head = doc.head;
    const metaCharset = /*@__PURE__*/ head.querySelector('meta[charset]');
    const visibilityStyle = /*@__PURE__*/ doc.createElement('style');
    const deferredConnectedCallbacks = [];
    const styles = /*@__PURE__*/ doc.querySelectorAll(`[${HYDRATED_STYLE_ID}]`);
    let appLoadFallback;
    let isBootstrapping = true;
    let i = 0;
    Object.assign(plt, options);
    plt.$resourcesUrl$ = new URL(options.resourcesUrl || './', doc.baseURI).href;
    {
        // If the app is already hydrated there is not point to disable the
        // async queue. This will improve the first input delay
        plt.$flags$ |= 2 /* appLoaded */;
    }
    {
        for (; i < styles.length; i++) {
            registerStyle(styles[i].getAttribute(HYDRATED_STYLE_ID), convertScopedToShadow(styles[i].innerHTML), true);
        }
    }
    lazyBundles.map(lazyBundle => lazyBundle[1].map(compactMeta => {
        const cmpMeta = {
            $flags$: compactMeta[0],
            $tagName$: compactMeta[1],
            $members$: compactMeta[2],
            $listeners$: compactMeta[3],
        };
        {
            cmpMeta.$members$ = compactMeta[2];
        }
        {
            cmpMeta.$listeners$ = compactMeta[3];
        }
        {
            cmpMeta.$attrsToReflect$ = [];
        }
        {
            cmpMeta.$watchers$ = {};
        }
        if (!supportsShadow && cmpMeta.$flags$ & 1 /* shadowDomEncapsulation */) {
            cmpMeta.$flags$ |= 8 /* needsShadowDomShim */;
        }
        const tagName = cmpMeta.$tagName$;
        const HostElement = class extends HTMLElement {
            // StencilLazyHost
            constructor(self) {
                // @ts-ignore
                super(self);
                self = this;
                registerHost(self, cmpMeta);
                if (cmpMeta.$flags$ & 1 /* shadowDomEncapsulation */) {
                    // this component is using shadow dom
                    // and this browser supports shadow dom
                    // add the read-only property "shadowRoot" to the host element
                    // adding the shadow root build conditionals to minimize runtime
                    if (supportsShadow) {
                        {
                            self.attachShadow({
                                mode: 'open',
                                delegatesFocus: !!(cmpMeta.$flags$ & 16 /* shadowDelegatesFocus */),
                            });
                        }
                    }
                    else if (!('shadowRoot' in self)) {
                        self.shadowRoot = self;
                    }
                }
            }
            connectedCallback() {
                if (appLoadFallback) {
                    clearTimeout(appLoadFallback);
                    appLoadFallback = null;
                }
                if (isBootstrapping) {
                    // connectedCallback will be processed once all components have been registered
                    deferredConnectedCallbacks.push(this);
                }
                else {
                    plt.jmp(() => connectedCallback(this));
                }
            }
            disconnectedCallback() {
                plt.jmp(() => disconnectedCallback(this));
            }
            componentOnReady() {
                return getHostRef(this).$onReadyPromise$;
            }
        };
        cmpMeta.$lazyBundleId$ = lazyBundle[0];
        if (!exclude.includes(tagName) && !customElements.get(tagName)) {
            cmpTags.push(tagName);
            customElements.define(tagName, proxyComponent(HostElement, cmpMeta, 1 /* isElementConstructor */));
        }
    }));
    {
        visibilityStyle.innerHTML = cmpTags + HYDRATED_CSS;
        visibilityStyle.setAttribute('data-styles', '');
        head.insertBefore(visibilityStyle, metaCharset ? metaCharset.nextSibling : head.firstChild);
    }
    // Process deferred connectedCallbacks now all components have been registered
    isBootstrapping = false;
    if (deferredConnectedCallbacks.length) {
        deferredConnectedCallbacks.map(host => host.connectedCallback());
    }
    else {
        {
            plt.jmp(() => (appLoadFallback = setTimeout(appDidLoad, 30)));
        }
    }
    // Fallback appLoad event
    endBootstrap();
};
const getAssetPath = (path) => {
    const assetUrl = new URL(path, plt.$resourcesUrl$);
    return assetUrl.origin !== win.location.origin ? assetUrl.href : assetUrl.pathname;
};
const hostRefs = new WeakMap();
const getHostRef = (ref) => hostRefs.get(ref);
const registerInstance = (lazyInstance, hostRef) => hostRefs.set((hostRef.$lazyInstance$ = lazyInstance), hostRef);
const registerHost = (elm, cmpMeta) => {
    const hostRef = {
        $flags$: 0,
        $hostElement$: elm,
        $cmpMeta$: cmpMeta,
        $instanceValues$: new Map(),
    };
    {
        hostRef.$onInstancePromise$ = new Promise(r => (hostRef.$onInstanceResolve$ = r));
    }
    {
        hostRef.$onReadyPromise$ = new Promise(r => (hostRef.$onReadyResolve$ = r));
        elm['s-p'] = [];
        elm['s-rc'] = [];
    }
    addHostEventListeners(elm, hostRef, cmpMeta.$listeners$);
    return hostRefs.set(elm, hostRef);
};
const isMemberInElement = (elm, memberName) => memberName in elm;
const consoleError = (e, el) => (0, console.error)(e, el);
const cmpModules = /*@__PURE__*/ new Map();
const loadModule = (cmpMeta, hostRef, hmrVersionId) => {
    // loadModuleImport
    const exportName = cmpMeta.$tagName$.replace(/-/g, '_');
    const bundleId = cmpMeta.$lazyBundleId$;
    const module = cmpModules.get(bundleId) ;
    if (module) {
        return module[exportName];
    }
    return __webpack_require__(863)(`./${bundleId}.entry.js`).then(importedModule => {
        {
            cmpModules.set(bundleId, importedModule);
        }
        return importedModule[exportName];
    }, consoleError);
};
const styles = new Map();
const modeResolutionChain = [];
const queueDomReads = [];
const queueDomWrites = [];
const queueTask = (queue, write) => (cb) => {
    queue.push(cb);
    if (!queuePending) {
        queuePending = true;
        if (write && plt.$flags$ & 4 /* queueSync */) {
            nextTick(flush);
        }
        else {
            plt.raf(flush);
        }
    }
};
const consume = (queue) => {
    for (let i = 0; i < queue.length; i++) {
        try {
            queue[i](performance.now());
        }
        catch (e) {
            consoleError(e);
        }
    }
    queue.length = 0;
};
const flush = () => {
    // always force a bunch of medium callbacks to run, but still have
    // a throttle on how many can run in a certain time
    // DOM READS!!!
    consume(queueDomReads);
    // DOM WRITES!!!
    {
        consume(queueDomWrites);
        if ((queuePending = queueDomReads.length > 0)) {
            // still more to do yet, but we've run out of time
            // let's let this thing cool off and try again in the next tick
            plt.raf(flush);
        }
    }
};
const nextTick = /*@__PURE__*/ (cb) => promiseResolve().then(cb);
const readTask = /*@__PURE__*/ queueTask(queueDomReads, false);
const writeTask = /*@__PURE__*/ queueTask(queueDomWrites, true);
const Build = {
    isDev: false,
    isBrowser: true,
    isServer: false,
    isTesting: false,
};




/***/ }),

/***/ 4001:
/*!*************************************************************!*\
  !*** ./node_modules/@ionic/core/dist/esm/index-931440b1.js ***!
  \*************************************************************/
/***/ ((__unused_webpack_module, __webpack_exports__, __webpack_require__) => {

"use strict";
__webpack_require__.r(__webpack_exports__);
/* harmony export */ __webpack_require__.d(__webpack_exports__, {
/* harmony export */   "L": () => (/* binding */ LIFECYCLE_WILL_ENTER),
/* harmony export */   "a": () => (/* binding */ LIFECYCLE_DID_ENTER),
/* harmony export */   "b": () => (/* binding */ LIFECYCLE_WILL_LEAVE),
/* harmony export */   "c": () => (/* binding */ LIFECYCLE_DID_LEAVE),
/* harmony export */   "d": () => (/* binding */ LIFECYCLE_WILL_UNLOAD),
/* harmony export */   "e": () => (/* binding */ deepReady),
/* harmony export */   "g": () => (/* binding */ getIonPageElement),
/* harmony export */   "l": () => (/* binding */ lifecycle),
/* harmony export */   "s": () => (/* binding */ setPageHidden),
/* harmony export */   "t": () => (/* binding */ transition)
/* harmony export */ });
/* harmony import */ var _index_7a8b7a1c_js__WEBPACK_IMPORTED_MODULE_0__ = __webpack_require__(/*! ./index-7a8b7a1c.js */ 3150);
/* harmony import */ var _helpers_dd7e4b7b_js__WEBPACK_IMPORTED_MODULE_1__ = __webpack_require__(/*! ./helpers-dd7e4b7b.js */ 2377);



const LIFECYCLE_WILL_ENTER = 'ionViewWillEnter';
const LIFECYCLE_DID_ENTER = 'ionViewDidEnter';
const LIFECYCLE_WILL_LEAVE = 'ionViewWillLeave';
const LIFECYCLE_DID_LEAVE = 'ionViewDidLeave';
const LIFECYCLE_WILL_UNLOAD = 'ionViewWillUnload';

const iosTransitionAnimation = () => Promise.resolve(/*! import() */).then(__webpack_require__.bind(__webpack_require__, /*! ./ios.transition-12db6216.js */ 9554));
const mdTransitionAnimation = () => Promise.resolve(/*! import() */).then(__webpack_require__.bind(__webpack_require__, /*! ./md.transition-eecd3a67.js */ 7405));
const transition = (opts) => {
  return new Promise((resolve, reject) => {
    (0,_index_7a8b7a1c_js__WEBPACK_IMPORTED_MODULE_0__.c)(() => {
      beforeTransition(opts);
      runTransition(opts).then(result => {
        if (result.animation) {
          result.animation.destroy();
        }
        afterTransition(opts);
        resolve(result);
      }, error => {
        afterTransition(opts);
        reject(error);
      });
    });
  });
};
const beforeTransition = (opts) => {
  const enteringEl = opts.enteringEl;
  const leavingEl = opts.leavingEl;
  setZIndex(enteringEl, leavingEl, opts.direction);
  if (opts.showGoBack) {
    enteringEl.classList.add('can-go-back');
  }
  else {
    enteringEl.classList.remove('can-go-back');
  }
  setPageHidden(enteringEl, false);
  /**
   * When transitioning, the page should not
   * respond to click events. This resolves small
   * issues like users double tapping the ion-back-button.
   * These pointer events are removed in `afterTransition`.
   */
  enteringEl.style.setProperty('pointer-events', 'none');
  if (leavingEl) {
    setPageHidden(leavingEl, false);
    leavingEl.style.setProperty('pointer-events', 'none');
  }
};
const runTransition = async (opts) => {
  const animationBuilder = await getAnimationBuilder(opts);
  const ani = (animationBuilder && _index_7a8b7a1c_js__WEBPACK_IMPORTED_MODULE_0__.B.isBrowser)
    ? animation(animationBuilder, opts)
    : noAnimation(opts); // fast path for no animation
  return ani;
};
const afterTransition = (opts) => {
  const enteringEl = opts.enteringEl;
  const leavingEl = opts.leavingEl;
  enteringEl.classList.remove('ion-page-invisible');
  enteringEl.style.removeProperty('pointer-events');
  if (leavingEl !== undefined) {
    leavingEl.classList.remove('ion-page-invisible');
    leavingEl.style.removeProperty('pointer-events');
  }
};
const getAnimationBuilder = async (opts) => {
  if (!opts.leavingEl || !opts.animated || opts.duration === 0) {
    return undefined;
  }
  if (opts.animationBuilder) {
    return opts.animationBuilder;
  }
  const getAnimation = (opts.mode === 'ios')
    ? (await iosTransitionAnimation()).iosTransitionAnimation
    : (await mdTransitionAnimation()).mdTransitionAnimation;
  return getAnimation;
};
const animation = async (animationBuilder, opts) => {
  await waitForReady(opts, true);
  const trans = animationBuilder(opts.baseEl, opts);
  fireWillEvents(opts.enteringEl, opts.leavingEl);
  const didComplete = await playTransition(trans, opts);
  if (opts.progressCallback) {
    opts.progressCallback(undefined);
  }
  if (didComplete) {
    fireDidEvents(opts.enteringEl, opts.leavingEl);
  }
  return {
    hasCompleted: didComplete,
    animation: trans
  };
};
const noAnimation = async (opts) => {
  const enteringEl = opts.enteringEl;
  const leavingEl = opts.leavingEl;
  await waitForReady(opts, false);
  fireWillEvents(enteringEl, leavingEl);
  fireDidEvents(enteringEl, leavingEl);
  return {
    hasCompleted: true
  };
};
const waitForReady = async (opts, defaultDeep) => {
  const deep = opts.deepWait !== undefined ? opts.deepWait : defaultDeep;
  const promises = deep ? [
    deepReady(opts.enteringEl),
    deepReady(opts.leavingEl),
  ] : [
    shallowReady(opts.enteringEl),
    shallowReady(opts.leavingEl),
  ];
  await Promise.all(promises);
  await notifyViewReady(opts.viewIsReady, opts.enteringEl);
};
const notifyViewReady = async (viewIsReady, enteringEl) => {
  if (viewIsReady) {
    await viewIsReady(enteringEl);
  }
};
const playTransition = (trans, opts) => {
  const progressCallback = opts.progressCallback;
  const promise = new Promise(resolve => {
    trans.onFinish((currentStep) => resolve(currentStep === 1));
  });
  // cool, let's do this, start the transition
  if (progressCallback) {
    // this is a swipe to go back, just get the transition progress ready
    // kick off the swipe animation start
    trans.progressStart(true);
    progressCallback(trans);
  }
  else {
    // only the top level transition should actually start "play"
    // kick it off and let it play through
    // ******** DOM WRITE ****************
    trans.play();
  }
  // create a callback for when the animation is done
  return promise;
};
const fireWillEvents = (enteringEl, leavingEl) => {
  lifecycle(leavingEl, LIFECYCLE_WILL_LEAVE);
  lifecycle(enteringEl, LIFECYCLE_WILL_ENTER);
};
const fireDidEvents = (enteringEl, leavingEl) => {
  lifecycle(enteringEl, LIFECYCLE_DID_ENTER);
  lifecycle(leavingEl, LIFECYCLE_DID_LEAVE);
};
const lifecycle = (el, eventName) => {
  if (el) {
    const ev = new CustomEvent(eventName, {
      bubbles: false,
      cancelable: false,
    });
    el.dispatchEvent(ev);
  }
};
const shallowReady = (el) => {
  if (el) {
    return new Promise(resolve => (0,_helpers_dd7e4b7b_js__WEBPACK_IMPORTED_MODULE_1__.c)(el, resolve));
  }
  return Promise.resolve();
};
const deepReady = async (el) => {
  const element = el;
  if (element) {
    if (element.componentOnReady != null) {
      const stencilEl = await element.componentOnReady();
      if (stencilEl != null) {
        return;
      }
    }
    await Promise.all(Array.from(element.children).map(deepReady));
  }
};
const setPageHidden = (el, hidden) => {
  if (hidden) {
    el.setAttribute('aria-hidden', 'true');
    el.classList.add('ion-page-hidden');
  }
  else {
    el.hidden = false;
    el.removeAttribute('aria-hidden');
    el.classList.remove('ion-page-hidden');
  }
};
const setZIndex = (enteringEl, leavingEl, direction) => {
  if (enteringEl !== undefined) {
    enteringEl.style.zIndex = (direction === 'back')
      ? '99'
      : '101';
  }
  if (leavingEl !== undefined) {
    leavingEl.style.zIndex = '100';
  }
};
const getIonPageElement = (element) => {
  if (element.classList.contains('ion-page')) {
    return element;
  }
  const ionPage = element.querySelector(':scope > .ion-page, :scope > ion-nav, :scope > ion-tabs');
  if (ionPage) {
    return ionPage;
  }
  // idk, return the original element so at least something animates and we don't have a null pointer
  return element;
};




/***/ }),

/***/ 6575:
/*!*************************************************************!*\
  !*** ./node_modules/@ionic/core/dist/esm/index-9e3fe806.js ***!
  \*************************************************************/
/***/ ((__unused_webpack_module, __webpack_exports__, __webpack_require__) => {

"use strict";
__webpack_require__.r(__webpack_exports__);
/* harmony export */ __webpack_require__.d(__webpack_exports__, {
/* harmony export */   "I": () => (/* binding */ IonicSafeString),
/* harmony export */   "s": () => (/* binding */ sanitizeDOMString)
/* harmony export */ });
/**
 * Does a simple sanitization of all elements
 * in an untrusted string
 */
const sanitizeDOMString = (untrustedString) => {
  try {
    if (untrustedString instanceof IonicSafeString) {
      return untrustedString.value;
    }
    if (!isSanitizerEnabled() || typeof untrustedString !== 'string' || untrustedString === '') {
      return untrustedString;
    }
    /**
     * Create a document fragment
     * separate from the main DOM,
     * create a div to do our work in
     */
    const documentFragment = document.createDocumentFragment();
    const workingDiv = document.createElement('div');
    documentFragment.appendChild(workingDiv);
    workingDiv.innerHTML = untrustedString;
    /**
     * Remove any elements
     * that are blocked
     */
    blockedTags.forEach(blockedTag => {
      const getElementsToRemove = documentFragment.querySelectorAll(blockedTag);
      for (let elementIndex = getElementsToRemove.length - 1; elementIndex >= 0; elementIndex--) {
        const element = getElementsToRemove[elementIndex];
        if (element.parentNode) {
          element.parentNode.removeChild(element);
        }
        else {
          documentFragment.removeChild(element);
        }
        /**
         * We still need to sanitize
         * the children of this element
         * as they are left behind
         */
        const childElements = getElementChildren(element);
        /* tslint:disable-next-line */
        for (let childIndex = 0; childIndex < childElements.length; childIndex++) {
          sanitizeElement(childElements[childIndex]);
        }
      }
    });
    /**
     * Go through remaining elements and remove
     * non-allowed attribs
     */
    // IE does not support .children on document fragments, only .childNodes
    const dfChildren = getElementChildren(documentFragment);
    /* tslint:disable-next-line */
    for (let childIndex = 0; childIndex < dfChildren.length; childIndex++) {
      sanitizeElement(dfChildren[childIndex]);
    }
    // Append document fragment to div
    const fragmentDiv = document.createElement('div');
    fragmentDiv.appendChild(documentFragment);
    // First child is always the div we did our work in
    const getInnerDiv = fragmentDiv.querySelector('div');
    return (getInnerDiv !== null) ? getInnerDiv.innerHTML : fragmentDiv.innerHTML;
  }
  catch (err) {
    console.error(err);
    return '';
  }
};
/**
 * Clean up current element based on allowed attributes
 * and then recursively dig down into any child elements to
 * clean those up as well
 */
const sanitizeElement = (element) => {
  // IE uses childNodes, so ignore nodes that are not elements
  if (element.nodeType && element.nodeType !== 1) {
    return;
  }
  for (let i = element.attributes.length - 1; i >= 0; i--) {
    const attribute = element.attributes.item(i);
    const attributeName = attribute.name;
    // remove non-allowed attribs
    if (!allowedAttributes.includes(attributeName.toLowerCase())) {
      element.removeAttribute(attributeName);
      continue;
    }
    // clean up any allowed attribs
    // that attempt to do any JS funny-business
    const attributeValue = attribute.value;
    /* tslint:disable-next-line */
    if (attributeValue != null && attributeValue.toLowerCase().includes('javascript:')) {
      element.removeAttribute(attributeName);
    }
  }
  /**
   * Sanitize any nested children
   */
  const childElements = getElementChildren(element);
  /* tslint:disable-next-line */
  for (let i = 0; i < childElements.length; i++) {
    sanitizeElement(childElements[i]);
  }
};
/**
 * IE doesn't always support .children
 * so we revert to .childNodes instead
 */
const getElementChildren = (el) => {
  return (el.children != null) ? el.children : el.childNodes;
};
const isSanitizerEnabled = () => {
  const win = window;
  const config = win && win.Ionic && win.Ionic.config;
  if (config) {
    if (config.get) {
      return config.get('sanitizerEnabled', true);
    }
    else {
      return config.sanitizerEnabled === true || config.sanitizerEnabled === undefined;
    }
  }
  return true;
};
const allowedAttributes = ['class', 'id', 'href', 'src', 'name', 'slot'];
const blockedTags = ['script', 'style', 'iframe', 'meta', 'link', 'object', 'embed'];
class IonicSafeString {
  constructor(value) {
    this.value = value;
  }
}




/***/ }),

/***/ 6461:
/*!****************************************************!*\
  !*** ./node_modules/@ionic/core/dist/esm/index.js ***!
  \****************************************************/
/***/ ((__unused_webpack_module, __webpack_exports__, __webpack_require__) => {

"use strict";
__webpack_require__.r(__webpack_exports__);
/* harmony export */ __webpack_require__.d(__webpack_exports__, {
/* harmony export */   "createAnimation": () => (/* reexport safe */ _animation_096c6391_js__WEBPACK_IMPORTED_MODULE_0__.c),
/* harmony export */   "iosTransitionAnimation": () => (/* reexport safe */ _ios_transition_12db6216_js__WEBPACK_IMPORTED_MODULE_1__.iosTransitionAnimation),
/* harmony export */   "mdTransitionAnimation": () => (/* reexport safe */ _md_transition_eecd3a67_js__WEBPACK_IMPORTED_MODULE_2__.mdTransitionAnimation),
/* harmony export */   "getTimeGivenProgression": () => (/* reexport safe */ _cubic_bezier_eea9a7a9_js__WEBPACK_IMPORTED_MODULE_3__.g),
/* harmony export */   "createGesture": () => (/* reexport safe */ _index_34cb2743_js__WEBPACK_IMPORTED_MODULE_4__.createGesture),
/* harmony export */   "getPlatforms": () => (/* reexport safe */ _ionic_global_63a97a32_js__WEBPACK_IMPORTED_MODULE_5__.g),
/* harmony export */   "initialize": () => (/* reexport safe */ _ionic_global_63a97a32_js__WEBPACK_IMPORTED_MODULE_5__.i),
/* harmony export */   "isPlatform": () => (/* reexport safe */ _ionic_global_63a97a32_js__WEBPACK_IMPORTED_MODULE_5__.a),
/* harmony export */   "componentOnReady": () => (/* reexport safe */ _helpers_dd7e4b7b_js__WEBPACK_IMPORTED_MODULE_6__.c),
/* harmony export */   "IonicSafeString": () => (/* reexport safe */ _index_9e3fe806_js__WEBPACK_IMPORTED_MODULE_7__.I),
/* harmony export */   "LIFECYCLE_DID_ENTER": () => (/* reexport safe */ _index_931440b1_js__WEBPACK_IMPORTED_MODULE_8__.a),
/* harmony export */   "LIFECYCLE_DID_LEAVE": () => (/* reexport safe */ _index_931440b1_js__WEBPACK_IMPORTED_MODULE_8__.c),
/* harmony export */   "LIFECYCLE_WILL_ENTER": () => (/* reexport safe */ _index_931440b1_js__WEBPACK_IMPORTED_MODULE_8__.L),
/* harmony export */   "LIFECYCLE_WILL_LEAVE": () => (/* reexport safe */ _index_931440b1_js__WEBPACK_IMPORTED_MODULE_8__.b),
/* harmony export */   "LIFECYCLE_WILL_UNLOAD": () => (/* reexport safe */ _index_931440b1_js__WEBPACK_IMPORTED_MODULE_8__.d),
/* harmony export */   "menuController": () => (/* reexport safe */ _index_0d58a5bf_js__WEBPACK_IMPORTED_MODULE_9__.m),
/* harmony export */   "actionSheetController": () => (/* reexport safe */ _overlays_e9ccff30_js__WEBPACK_IMPORTED_MODULE_10__.b),
/* harmony export */   "alertController": () => (/* reexport safe */ _overlays_e9ccff30_js__WEBPACK_IMPORTED_MODULE_10__.a),
/* harmony export */   "loadingController": () => (/* reexport safe */ _overlays_e9ccff30_js__WEBPACK_IMPORTED_MODULE_10__.l),
/* harmony export */   "modalController": () => (/* reexport safe */ _overlays_e9ccff30_js__WEBPACK_IMPORTED_MODULE_10__.m),
/* harmony export */   "pickerController": () => (/* reexport safe */ _overlays_e9ccff30_js__WEBPACK_IMPORTED_MODULE_10__.p),
/* harmony export */   "popoverController": () => (/* reexport safe */ _overlays_e9ccff30_js__WEBPACK_IMPORTED_MODULE_10__.c),
/* harmony export */   "toastController": () => (/* reexport safe */ _overlays_e9ccff30_js__WEBPACK_IMPORTED_MODULE_10__.t),
/* harmony export */   "IonicSwiper": () => (/* binding */ IonicSwiper),
/* harmony export */   "getMode": () => (/* binding */ getMode),
/* harmony export */   "setupConfig": () => (/* binding */ setupConfig)
/* harmony export */ });
/* harmony import */ var _animation_096c6391_js__WEBPACK_IMPORTED_MODULE_0__ = __webpack_require__(/*! ./animation-096c6391.js */ 4086);
/* harmony import */ var _ios_transition_12db6216_js__WEBPACK_IMPORTED_MODULE_1__ = __webpack_require__(/*! ./ios.transition-12db6216.js */ 9554);
/* harmony import */ var _md_transition_eecd3a67_js__WEBPACK_IMPORTED_MODULE_2__ = __webpack_require__(/*! ./md.transition-eecd3a67.js */ 7405);
/* harmony import */ var _cubic_bezier_eea9a7a9_js__WEBPACK_IMPORTED_MODULE_3__ = __webpack_require__(/*! ./cubic-bezier-eea9a7a9.js */ 7807);
/* harmony import */ var _index_34cb2743_js__WEBPACK_IMPORTED_MODULE_4__ = __webpack_require__(/*! ./index-34cb2743.js */ 9461);
/* harmony import */ var _ionic_global_63a97a32_js__WEBPACK_IMPORTED_MODULE_5__ = __webpack_require__(/*! ./ionic-global-63a97a32.js */ 7585);
/* harmony import */ var _helpers_dd7e4b7b_js__WEBPACK_IMPORTED_MODULE_6__ = __webpack_require__(/*! ./helpers-dd7e4b7b.js */ 2377);
/* harmony import */ var _index_9e3fe806_js__WEBPACK_IMPORTED_MODULE_7__ = __webpack_require__(/*! ./index-9e3fe806.js */ 6575);
/* harmony import */ var _index_931440b1_js__WEBPACK_IMPORTED_MODULE_8__ = __webpack_require__(/*! ./index-931440b1.js */ 4001);
/* harmony import */ var _index_0d58a5bf_js__WEBPACK_IMPORTED_MODULE_9__ = __webpack_require__(/*! ./index-0d58a5bf.js */ 5554);
/* harmony import */ var _overlays_e9ccff30_js__WEBPACK_IMPORTED_MODULE_10__ = __webpack_require__(/*! ./overlays-e9ccff30.js */ 7053);
/* harmony import */ var _gesture_controller_31cb6bb9_js__WEBPACK_IMPORTED_MODULE_11__ = __webpack_require__(/*! ./gesture-controller-31cb6bb9.js */ 960);
/* harmony import */ var _index_7a8b7a1c_js__WEBPACK_IMPORTED_MODULE_12__ = __webpack_require__(/*! ./index-7a8b7a1c.js */ 3150);
/* harmony import */ var _hardware_back_button_4a6b37fb_js__WEBPACK_IMPORTED_MODULE_13__ = __webpack_require__(/*! ./hardware-back-button-4a6b37fb.js */ 3087);
















const setupConfig = (config) => {
  const win = window;
  const Ionic = win.Ionic;
  if (Ionic && Ionic.config && Ionic.config.constructor.name !== 'Object') {
    return;
  }
  win.Ionic = win.Ionic || {};
  win.Ionic.config = Object.assign(Object.assign({}, win.Ionic.config), config);
  return win.Ionic.config;
};
const getMode = () => {
  const win = window;
  const config = win && win.Ionic && win.Ionic.config;
  if (config) {
    if (config.mode) {
      return config.mode;
    }
    else {
      return config.get('mode');
    }
  }
  return 'md';
};

/**
 * This is a plugin for Swiper that allows it to work
 * with Ionic Framework and the routing integrations.
 * Without this plugin, Swiper would be incapable of correctly
 * determining the dimensions of the slides component as
 * each view is initially hidden before transitioning in.
 */
const setupSwiperInIonic = (swiper, watchForIonPageChanges = true) => {
  if (typeof window === 'undefined') {
    return;
  }
  const swiperEl = swiper.el;
  const ionPage = swiperEl.closest('.ion-page');
  if (!ionPage) {
    if (watchForIonPageChanges) {
      /**
       * If no ion page found, it is possible
       * that we are in the overlay setup step
       * where the inner component has been
       * created but not attached to the DOM yet.
       * If so, wait for the .ion-page class to
       * appear on the root div and re-run setup.
       */
      const rootNode = swiperEl.getRootNode();
      if (rootNode.tagName === 'DIV') {
        const mo = new MutationObserver((m) => {
          const mutation = m[0];
          const wasEmpty = mutation.oldValue === null;
          const hasIonPage = rootNode.classList.contains('ion-page');
          /**
           * Now that we have an .ion-page class
           * we can safely attempt setup again.
           */
          if (wasEmpty && hasIonPage) {
            mo.disconnect();
            /**
             * Set false here so we do not
             * get infinite loops
             */
            setupSwiperInIonic(swiper, false);
          }
        });
        mo.observe(rootNode, {
          attributeFilter: ['class'],
          attributeOldValue: true
        });
      }
    }
    return;
  }
  /**
   * If using slides in a modal or
   * popover we need to wait for the
   * overlay to be shown as these components
   * are hidden when they are initially created.
   */
  const modalOrPopover = swiperEl.closest('ion-modal, ion-popover');
  if (modalOrPopover) {
    const eventName = modalOrPopover.tagName === 'ION-MODAL' ? 'ionModalWillPresent' : 'ionPopoverWillPresent';
    const overlayCallback = () => {
      /**
       * We need an raf here so the update
       * is fired one tick after the overlay is shown.
       */
      (0,_helpers_dd7e4b7b_js__WEBPACK_IMPORTED_MODULE_6__.r)(() => {
        swiperEl.swiper.update();
        (0,_helpers_dd7e4b7b_js__WEBPACK_IMPORTED_MODULE_6__.b)(modalOrPopover, eventName, overlayCallback);
      });
    };
    (0,_helpers_dd7e4b7b_js__WEBPACK_IMPORTED_MODULE_6__.a)(modalOrPopover, eventName, overlayCallback);
  }
  else {
    /**
     * If using slides in a page
     * we need to wait for the ion-page-invisible
     * class to be removed so Swiper can correctly
     * compute the dimensions of the slides.
     */
    const mo = new MutationObserver((m) => {
      var _a;
      const mutation = m[0];
      const wasPageHidden = (_a = mutation.oldValue) === null || _a === void 0 ? void 0 : _a.includes('ion-page-invisible');
      const isPageHidden = ionPage.classList.contains('ion-page-invisible');
      /**
       * Only update Swiper if the page was
       * hidden but is no longer hidden.
       */
      if (!isPageHidden && isPageHidden !== wasPageHidden) {
        swiperEl.swiper.update();
      }
    });
    mo.observe(ionPage, {
      attributeFilter: ['class'],
      attributeOldValue: true
    });
  }
  /**
   * We also need to listen for the appload event
   * which is emitted by Stencil in the
   * event that Swiper is being used on the
   * view that is rendered initially.
   */
  const onAppLoad = () => {
    swiperEl.swiper.update();
    (0,_helpers_dd7e4b7b_js__WEBPACK_IMPORTED_MODULE_6__.b)(window, 'appload', onAppLoad);
  };
  (0,_helpers_dd7e4b7b_js__WEBPACK_IMPORTED_MODULE_6__.a)(window, 'appload', onAppLoad);
};
const IonicSwiper = {
  name: 'ionic',
  on: {
    afterInit(swiper) {
      setupSwiperInIonic(swiper);
    }
  }
};




/***/ }),

/***/ 7585:
/*!********************************************************************!*\
  !*** ./node_modules/@ionic/core/dist/esm/ionic-global-63a97a32.js ***!
  \********************************************************************/
/***/ ((__unused_webpack_module, __webpack_exports__, __webpack_require__) => {

"use strict";
__webpack_require__.r(__webpack_exports__);
/* harmony export */ __webpack_require__.d(__webpack_exports__, {
/* harmony export */   "a": () => (/* binding */ isPlatform),
/* harmony export */   "b": () => (/* binding */ getIonMode),
/* harmony export */   "c": () => (/* binding */ config),
/* harmony export */   "g": () => (/* binding */ getPlatforms),
/* harmony export */   "i": () => (/* binding */ initialize)
/* harmony export */ });
/* harmony import */ var _index_7a8b7a1c_js__WEBPACK_IMPORTED_MODULE_0__ = __webpack_require__(/*! ./index-7a8b7a1c.js */ 3150);


const getPlatforms = (win) => setupPlatforms(win);
const isPlatform = (winOrPlatform, platform) => {
  if (typeof winOrPlatform === 'string') {
    platform = winOrPlatform;
    winOrPlatform = undefined;
  }
  return getPlatforms(winOrPlatform).includes(platform);
};
const setupPlatforms = (win = window) => {
  if (typeof win === 'undefined') {
    return [];
  }
  win.Ionic = win.Ionic || {};
  let platforms = win.Ionic.platforms;
  if (platforms == null) {
    platforms = win.Ionic.platforms = detectPlatforms(win);
    platforms.forEach(p => win.document.documentElement.classList.add(`plt-${p}`));
  }
  return platforms;
};
const detectPlatforms = (win) => Object.keys(PLATFORMS_MAP).filter(p => PLATFORMS_MAP[p](win));
const isMobileWeb = (win) => isMobile(win) && !isHybrid(win);
const isIpad = (win) => {
  // iOS 12 and below
  if (testUserAgent(win, /iPad/i)) {
    return true;
  }
  // iOS 13+
  if (testUserAgent(win, /Macintosh/i) && isMobile(win)) {
    return true;
  }
  return false;
};
const isIphone = (win) => testUserAgent(win, /iPhone/i);
const isIOS = (win) => testUserAgent(win, /iPhone|iPod/i) || isIpad(win);
const isAndroid = (win) => testUserAgent(win, /android|sink/i);
const isAndroidTablet = (win) => {
  return isAndroid(win) && !testUserAgent(win, /mobile/i);
};
const isPhablet = (win) => {
  const width = win.innerWidth;
  const height = win.innerHeight;
  const smallest = Math.min(width, height);
  const largest = Math.max(width, height);
  return (smallest > 390 && smallest < 520) &&
    (largest > 620 && largest < 800);
};
const isTablet = (win) => {
  const width = win.innerWidth;
  const height = win.innerHeight;
  const smallest = Math.min(width, height);
  const largest = Math.max(width, height);
  return (isIpad(win) ||
    isAndroidTablet(win) ||
    ((smallest > 460 && smallest < 820) &&
      (largest > 780 && largest < 1400)));
};
const isMobile = (win) => matchMedia(win, '(any-pointer:coarse)');
const isDesktop = (win) => !isMobile(win);
const isHybrid = (win) => isCordova(win) || isCapacitorNative(win);
const isCordova = (win) => !!(win['cordova'] || win['phonegap'] || win['PhoneGap']);
const isCapacitorNative = (win) => {
  const capacitor = win['Capacitor'];
  return !!(capacitor && capacitor.isNative);
};
const isElectron = (win) => testUserAgent(win, /electron/i);
const isPWA = (win) => !!(win.matchMedia('(display-mode: standalone)').matches || win.navigator.standalone);
const testUserAgent = (win, expr) => expr.test(win.navigator.userAgent);
const matchMedia = (win, query) => win.matchMedia(query).matches;
const PLATFORMS_MAP = {
  'ipad': isIpad,
  'iphone': isIphone,
  'ios': isIOS,
  'android': isAndroid,
  'phablet': isPhablet,
  'tablet': isTablet,
  'cordova': isCordova,
  'capacitor': isCapacitorNative,
  'electron': isElectron,
  'pwa': isPWA,
  'mobile': isMobile,
  'mobileweb': isMobileWeb,
  'desktop': isDesktop,
  'hybrid': isHybrid
};

class Config {
  constructor() {
    this.m = new Map();
  }
  reset(configObj) {
    this.m = new Map(Object.entries(configObj));
  }
  get(key, fallback) {
    const value = this.m.get(key);
    return value !== undefined ? value : fallback;
  }
  getBoolean(key, fallback = false) {
    const val = this.m.get(key);
    if (val === undefined) {
      return fallback;
    }
    if (typeof val === 'string') {
      return val === 'true';
    }
    return !!val;
  }
  getNumber(key, fallback) {
    const val = parseFloat(this.m.get(key));
    return isNaN(val) ? (fallback !== undefined ? fallback : NaN) : val;
  }
  set(key, value) {
    this.m.set(key, value);
  }
}
const config = /*@__PURE__*/ new Config();
const configFromSession = (win) => {
  try {
    const configStr = win.sessionStorage.getItem(IONIC_SESSION_KEY);
    return configStr !== null ? JSON.parse(configStr) : {};
  }
  catch (e) {
    return {};
  }
};
const saveConfig = (win, c) => {
  try {
    win.sessionStorage.setItem(IONIC_SESSION_KEY, JSON.stringify(c));
  }
  catch (e) {
    return;
  }
};
const configFromURL = (win) => {
  const configObj = {};
  win.location.search
    .slice(1)
    .split('&')
    .map(entry => entry.split('='))
    .map(([key, value]) => [decodeURIComponent(key), decodeURIComponent(value)])
    .filter(([key]) => startsWith(key, IONIC_PREFIX))
    .map(([key, value]) => [key.slice(IONIC_PREFIX.length), value])
    .forEach(([key, value]) => {
    configObj[key] = value;
  });
  return configObj;
};
const startsWith = (input, search) => {
  return input.substr(0, search.length) === search;
};
const IONIC_PREFIX = 'ionic:';
const IONIC_SESSION_KEY = 'ionic-persist-config';

let defaultMode;
const getIonMode = (ref) => {
  return (ref && (0,_index_7a8b7a1c_js__WEBPACK_IMPORTED_MODULE_0__.g)(ref)) || defaultMode;
};
const initialize = (userConfig = {}) => {
  if (typeof window === 'undefined') {
    return;
  }
  const doc = window.document;
  const win = window;
  const Ionic = win.Ionic = win.Ionic || {};
  // Setup platforms
  setupPlatforms(win);
  // create the Ionic.config from raw config object (if it exists)
  // and convert Ionic.config into a ConfigApi that has a get() fn
  const configObj = Object.assign(Object.assign(Object.assign(Object.assign(Object.assign({}, configFromSession(win)), { persistConfig: false }), Ionic.config), configFromURL(win)), userConfig);
  config.reset(configObj);
  if (config.getBoolean('persistConfig')) {
    saveConfig(win, configObj);
  }
  // first see if the mode was set as an attribute on <html>
  // which could have been set by the user, or by pre-rendering
  // otherwise get the mode via config settings, and fallback to md
  Ionic.config = config;
  Ionic.mode = defaultMode = config.get('mode', (doc.documentElement.getAttribute('mode')) || (isPlatform(win, 'ios') ? 'ios' : 'md'));
  config.set('mode', defaultMode);
  doc.documentElement.setAttribute('mode', defaultMode);
  doc.documentElement.classList.add(defaultMode);
  if (config.getBoolean('_testing')) {
    config.set('animated', false);
  }
  const isIonicElement = (elm) => elm.tagName && elm.tagName.startsWith('ION-');
  const isAllowedIonicModeValue = (elmMode) => ['ios', 'md'].includes(elmMode);
  (0,_index_7a8b7a1c_js__WEBPACK_IMPORTED_MODULE_0__.s)((elm) => {
    while (elm) {
      const elmMode = elm.mode || elm.getAttribute('mode');
      if (elmMode) {
        if (isAllowedIonicModeValue(elmMode)) {
          return elmMode;
        }
        else if (isIonicElement(elm)) {
          console.warn('Invalid ionic mode: "' + elmMode + '", expected: "ios" or "md"');
        }
      }
      elm = elm.parentElement;
    }
    return defaultMode;
  });
};




/***/ }),

/***/ 9554:
/*!**********************************************************************!*\
  !*** ./node_modules/@ionic/core/dist/esm/ios.transition-12db6216.js ***!
  \**********************************************************************/
/***/ ((__unused_webpack_module, __webpack_exports__, __webpack_require__) => {

"use strict";
__webpack_require__.r(__webpack_exports__);
/* harmony export */ __webpack_require__.d(__webpack_exports__, {
/* harmony export */   "iosTransitionAnimation": () => (/* binding */ iosTransitionAnimation),
/* harmony export */   "shadow": () => (/* binding */ shadow)
/* harmony export */ });
/* harmony import */ var _animation_096c6391_js__WEBPACK_IMPORTED_MODULE_0__ = __webpack_require__(/*! ./animation-096c6391.js */ 4086);
/* harmony import */ var _index_931440b1_js__WEBPACK_IMPORTED_MODULE_1__ = __webpack_require__(/*! ./index-931440b1.js */ 4001);
/* harmony import */ var _helpers_dd7e4b7b_js__WEBPACK_IMPORTED_MODULE_2__ = __webpack_require__(/*! ./helpers-dd7e4b7b.js */ 2377);
/* harmony import */ var _index_7a8b7a1c_js__WEBPACK_IMPORTED_MODULE_3__ = __webpack_require__(/*! ./index-7a8b7a1c.js */ 3150);





const DURATION = 540;
const getClonedElement = (tagName) => {
  return document.querySelector(`${tagName}.ion-cloned-element`);
};
const shadow = (el) => {
  return el.shadowRoot || el;
};
const getLargeTitle = (refEl) => {
  const tabs = (refEl.tagName === 'ION-TABS') ? refEl : refEl.querySelector('ion-tabs');
  const query = 'ion-content ion-header:not(.header-collapse-condense-inactive) ion-title.title-large';
  if (tabs != null) {
    const activeTab = tabs.querySelector('ion-tab:not(.tab-hidden), .ion-page:not(.ion-page-hidden)');
    return (activeTab != null) ? activeTab.querySelector(query) : null;
  }
  return refEl.querySelector(query);
};
const getBackButton = (refEl, backDirection) => {
  const tabs = (refEl.tagName === 'ION-TABS') ? refEl : refEl.querySelector('ion-tabs');
  let buttonsList = [];
  if (tabs != null) {
    const activeTab = tabs.querySelector('ion-tab:not(.tab-hidden), .ion-page:not(.ion-page-hidden)');
    if (activeTab != null) {
      buttonsList = activeTab.querySelectorAll('ion-buttons');
    }
  }
  else {
    buttonsList = refEl.querySelectorAll('ion-buttons');
  }
  for (const buttons of buttonsList) {
    const parentHeader = buttons.closest('ion-header');
    const activeHeader = parentHeader && !parentHeader.classList.contains('header-collapse-condense-inactive');
    const backButton = buttons.querySelector('ion-back-button');
    const buttonsCollapse = buttons.classList.contains('buttons-collapse');
    const startSlot = buttons.slot === 'start' || buttons.slot === '';
    if (backButton !== null && startSlot && ((buttonsCollapse && activeHeader && backDirection) || !buttonsCollapse)) {
      return backButton;
    }
  }
  return null;
};
const createLargeTitleTransition = (rootAnimation, rtl, backDirection, enteringEl, leavingEl) => {
  const enteringBackButton = getBackButton(enteringEl, backDirection);
  const leavingLargeTitle = getLargeTitle(leavingEl);
  const enteringLargeTitle = getLargeTitle(enteringEl);
  const leavingBackButton = getBackButton(leavingEl, backDirection);
  const shouldAnimationForward = enteringBackButton !== null && leavingLargeTitle !== null && !backDirection;
  const shouldAnimationBackward = enteringLargeTitle !== null && leavingBackButton !== null && backDirection;
  if (shouldAnimationForward) {
    const leavingLargeTitleBox = leavingLargeTitle.getBoundingClientRect();
    const enteringBackButtonBox = enteringBackButton.getBoundingClientRect();
    animateLargeTitle(rootAnimation, rtl, backDirection, leavingLargeTitle, leavingLargeTitleBox, enteringBackButtonBox);
    animateBackButton(rootAnimation, rtl, backDirection, enteringBackButton, leavingLargeTitleBox, enteringBackButtonBox);
  }
  else if (shouldAnimationBackward) {
    const enteringLargeTitleBox = enteringLargeTitle.getBoundingClientRect();
    const leavingBackButtonBox = leavingBackButton.getBoundingClientRect();
    animateLargeTitle(rootAnimation, rtl, backDirection, enteringLargeTitle, enteringLargeTitleBox, leavingBackButtonBox);
    animateBackButton(rootAnimation, rtl, backDirection, leavingBackButton, enteringLargeTitleBox, leavingBackButtonBox);
  }
  return {
    forward: shouldAnimationForward,
    backward: shouldAnimationBackward
  };
};
const animateBackButton = (rootAnimation, rtl, backDirection, backButtonEl, largeTitleBox, backButtonBox) => {
  const BACK_BUTTON_START_OFFSET = (rtl) ? `calc(100% - ${backButtonBox.right + 4}px)` : `${backButtonBox.left - 4}px`;
  const START_TEXT_TRANSLATE = (rtl) ? '7px' : '-7px';
  const END_TEXT_TRANSLATE = (rtl) ? '-4px' : '4px';
  const ICON_TRANSLATE = (rtl) ? '-4px' : '4px';
  const TEXT_ORIGIN_X = (rtl) ? 'right' : 'left';
  const ICON_ORIGIN_X = (rtl) ? 'left' : 'right';
  const FORWARD_TEXT_KEYFRAMES = [
    { offset: 0, opacity: 0, transform: `translate3d(${START_TEXT_TRANSLATE}, ${largeTitleBox.top - 40}px, 0) scale(2.1)` },
    { offset: 1, opacity: 1, transform: `translate3d(${END_TEXT_TRANSLATE}, ${backButtonBox.top - 46}px, 0) scale(1)` }
  ];
  const BACKWARD_TEXT_KEYFRAMES = [
    { offset: 0, opacity: 1, transform: `translate3d(${END_TEXT_TRANSLATE}, ${backButtonBox.top - 46}px, 0) scale(1)` },
    { offset: 0.6, opacity: 0 },
    { offset: 1, opacity: 0, transform: `translate3d(${START_TEXT_TRANSLATE}, ${largeTitleBox.top - 40}px, 0) scale(2.1)` }
  ];
  const TEXT_KEYFRAMES = (backDirection) ? BACKWARD_TEXT_KEYFRAMES : FORWARD_TEXT_KEYFRAMES;
  const FORWARD_ICON_KEYFRAMES = [
    { offset: 0, opacity: 0, transform: `translate3d(${ICON_TRANSLATE}, ${backButtonBox.top - 41}px, 0) scale(0.6)` },
    { offset: 1, opacity: 1, transform: `translate3d(${ICON_TRANSLATE}, ${backButtonBox.top - 46}px, 0) scale(1)` }
  ];
  const BACKWARD_ICON_KEYFRAMES = [
    { offset: 0, opacity: 1, transform: `translate3d(${ICON_TRANSLATE}, ${backButtonBox.top - 46}px, 0) scale(1)` },
    { offset: 0.2, opacity: 0, transform: `translate3d(${ICON_TRANSLATE}, ${backButtonBox.top - 41}px, 0) scale(0.6)` },
    { offset: 1, opacity: 0, transform: `translate3d(${ICON_TRANSLATE}, ${backButtonBox.top - 41}px, 0) scale(0.6)` }
  ];
  const ICON_KEYFRAMES = (backDirection) ? BACKWARD_ICON_KEYFRAMES : FORWARD_ICON_KEYFRAMES;
  const enteringBackButtonTextAnimation = (0,_animation_096c6391_js__WEBPACK_IMPORTED_MODULE_0__.c)();
  const enteringBackButtonIconAnimation = (0,_animation_096c6391_js__WEBPACK_IMPORTED_MODULE_0__.c)();
  const clonedBackButtonEl = getClonedElement('ion-back-button');
  const backButtonTextEl = shadow(clonedBackButtonEl).querySelector('.button-text');
  const backButtonIconEl = shadow(clonedBackButtonEl).querySelector('ion-icon');
  clonedBackButtonEl.text = backButtonEl.text;
  clonedBackButtonEl.mode = backButtonEl.mode;
  clonedBackButtonEl.icon = backButtonEl.icon;
  clonedBackButtonEl.color = backButtonEl.color;
  clonedBackButtonEl.disabled = backButtonEl.disabled;
  clonedBackButtonEl.style.setProperty('display', 'block');
  clonedBackButtonEl.style.setProperty('position', 'fixed');
  enteringBackButtonIconAnimation.addElement(backButtonIconEl);
  enteringBackButtonTextAnimation.addElement(backButtonTextEl);
  enteringBackButtonTextAnimation
    .beforeStyles({
    'transform-origin': `${TEXT_ORIGIN_X} center`
  })
    .beforeAddWrite(() => {
    backButtonEl.style.setProperty('display', 'none');
    clonedBackButtonEl.style.setProperty(TEXT_ORIGIN_X, BACK_BUTTON_START_OFFSET);
  })
    .afterAddWrite(() => {
    backButtonEl.style.setProperty('display', '');
    clonedBackButtonEl.style.setProperty('display', 'none');
    clonedBackButtonEl.style.removeProperty(TEXT_ORIGIN_X);
  })
    .keyframes(TEXT_KEYFRAMES);
  enteringBackButtonIconAnimation
    .beforeStyles({
    'transform-origin': `${ICON_ORIGIN_X} center`
  })
    .keyframes(ICON_KEYFRAMES);
  rootAnimation.addAnimation([enteringBackButtonTextAnimation, enteringBackButtonIconAnimation]);
};
const animateLargeTitle = (rootAnimation, rtl, backDirection, largeTitleEl, largeTitleBox, backButtonBox) => {
  const TITLE_START_OFFSET = (rtl) ? `calc(100% - ${largeTitleBox.right}px)` : `${largeTitleBox.left}px`;
  const START_TRANSLATE = (rtl) ? '-18px' : '18px';
  const ORIGIN_X = (rtl) ? 'right' : 'left';
  const BACKWARDS_KEYFRAMES = [
    { offset: 0, opacity: 0, transform: `translate3d(${START_TRANSLATE}, ${backButtonBox.top - 4}px, 0) scale(0.49)` },
    { offset: 0.1, opacity: 0 },
    { offset: 1, opacity: 1, transform: `translate3d(0, ${largeTitleBox.top - 2}px, 0) scale(1)` }
  ];
  const FORWARDS_KEYFRAMES = [
    { offset: 0, opacity: 0.99, transform: `translate3d(0, ${largeTitleBox.top - 2}px, 0) scale(1)` },
    { offset: 0.6, opacity: 0 },
    { offset: 1, opacity: 0, transform: `translate3d(${START_TRANSLATE}, ${backButtonBox.top - 4}px, 0) scale(0.5)` }
  ];
  const KEYFRAMES = (backDirection) ? BACKWARDS_KEYFRAMES : FORWARDS_KEYFRAMES;
  const clonedTitleEl = getClonedElement('ion-title');
  const clonedLargeTitleAnimation = (0,_animation_096c6391_js__WEBPACK_IMPORTED_MODULE_0__.c)();
  clonedTitleEl.innerText = largeTitleEl.innerText;
  clonedTitleEl.size = largeTitleEl.size;
  clonedTitleEl.color = largeTitleEl.color;
  clonedLargeTitleAnimation.addElement(clonedTitleEl);
  clonedLargeTitleAnimation
    .beforeStyles({
    'transform-origin': `${ORIGIN_X} center`,
    'height': '46px',
    'display': '',
    'position': 'relative',
    [ORIGIN_X]: TITLE_START_OFFSET
  })
    .beforeAddWrite(() => {
    largeTitleEl.style.setProperty('display', 'none');
  })
    .afterAddWrite(() => {
    largeTitleEl.style.setProperty('display', '');
    clonedTitleEl.style.setProperty('display', 'none');
  })
    .keyframes(KEYFRAMES);
  rootAnimation.addAnimation(clonedLargeTitleAnimation);
};
const iosTransitionAnimation = (navEl, opts) => {
  try {
    const EASING = 'cubic-bezier(0.32,0.72,0,1)';
    const OPACITY = 'opacity';
    const TRANSFORM = 'transform';
    const CENTER = '0%';
    const OFF_OPACITY = 0.8;
    const isRTL = navEl.ownerDocument.dir === 'rtl';
    const OFF_RIGHT = isRTL ? '-99.5%' : '99.5%';
    const OFF_LEFT = isRTL ? '33%' : '-33%';
    const enteringEl = opts.enteringEl;
    const leavingEl = opts.leavingEl;
    const backDirection = (opts.direction === 'back');
    const contentEl = enteringEl.querySelector(':scope > ion-content');
    const headerEls = enteringEl.querySelectorAll(':scope > ion-header > *:not(ion-toolbar), :scope > ion-footer > *');
    const enteringToolBarEls = enteringEl.querySelectorAll(':scope > ion-header > ion-toolbar');
    const rootAnimation = (0,_animation_096c6391_js__WEBPACK_IMPORTED_MODULE_0__.c)();
    const enteringContentAnimation = (0,_animation_096c6391_js__WEBPACK_IMPORTED_MODULE_0__.c)();
    rootAnimation
      .addElement(enteringEl)
      .duration(opts.duration || DURATION)
      .easing(opts.easing || EASING)
      .fill('both')
      .beforeRemoveClass('ion-page-invisible');
    if (leavingEl && navEl) {
      const navDecorAnimation = (0,_animation_096c6391_js__WEBPACK_IMPORTED_MODULE_0__.c)();
      navDecorAnimation.addElement(navEl);
      rootAnimation.addAnimation(navDecorAnimation);
    }
    if (!contentEl && enteringToolBarEls.length === 0 && headerEls.length === 0) {
      enteringContentAnimation.addElement(enteringEl.querySelector(':scope > .ion-page, :scope > ion-nav, :scope > ion-tabs')); // REVIEW
    }
    else {
      enteringContentAnimation.addElement(contentEl); // REVIEW
      enteringContentAnimation.addElement(headerEls);
    }
    rootAnimation.addAnimation(enteringContentAnimation);
    if (backDirection) {
      enteringContentAnimation
        .beforeClearStyles([OPACITY])
        .fromTo('transform', `translateX(${OFF_LEFT})`, `translateX(${CENTER})`)
        .fromTo(OPACITY, OFF_OPACITY, 1);
    }
    else {
      // entering content, forward direction
      enteringContentAnimation
        .beforeClearStyles([OPACITY])
        .fromTo('transform', `translateX(${OFF_RIGHT})`, `translateX(${CENTER})`);
    }
    if (contentEl) {
      const enteringTransitionEffectEl = shadow(contentEl).querySelector('.transition-effect');
      if (enteringTransitionEffectEl) {
        const enteringTransitionCoverEl = enteringTransitionEffectEl.querySelector('.transition-cover');
        const enteringTransitionShadowEl = enteringTransitionEffectEl.querySelector('.transition-shadow');
        const enteringTransitionEffect = (0,_animation_096c6391_js__WEBPACK_IMPORTED_MODULE_0__.c)();
        const enteringTransitionCover = (0,_animation_096c6391_js__WEBPACK_IMPORTED_MODULE_0__.c)();
        const enteringTransitionShadow = (0,_animation_096c6391_js__WEBPACK_IMPORTED_MODULE_0__.c)();
        enteringTransitionEffect
          .addElement(enteringTransitionEffectEl)
          .beforeStyles({ opacity: '1', display: 'block' })
          .afterStyles({ opacity: '', display: '' });
        enteringTransitionCover
          .addElement(enteringTransitionCoverEl) // REVIEW
          .beforeClearStyles([OPACITY])
          .fromTo(OPACITY, 0, 0.1);
        enteringTransitionShadow
          .addElement(enteringTransitionShadowEl) // REVIEW
          .beforeClearStyles([OPACITY])
          .fromTo(OPACITY, 0.03, 0.70);
        enteringTransitionEffect.addAnimation([enteringTransitionCover, enteringTransitionShadow]);
        enteringContentAnimation.addAnimation([enteringTransitionEffect]);
      }
    }
    const enteringContentHasLargeTitle = enteringEl.querySelector('ion-header.header-collapse-condense');
    const { forward, backward } = createLargeTitleTransition(rootAnimation, isRTL, backDirection, enteringEl, leavingEl);
    enteringToolBarEls.forEach(enteringToolBarEl => {
      const enteringToolBar = (0,_animation_096c6391_js__WEBPACK_IMPORTED_MODULE_0__.c)();
      enteringToolBar.addElement(enteringToolBarEl);
      rootAnimation.addAnimation(enteringToolBar);
      const enteringTitle = (0,_animation_096c6391_js__WEBPACK_IMPORTED_MODULE_0__.c)();
      enteringTitle.addElement(enteringToolBarEl.querySelector('ion-title')); // REVIEW
      const enteringToolBarButtons = (0,_animation_096c6391_js__WEBPACK_IMPORTED_MODULE_0__.c)();
      const buttons = Array.from(enteringToolBarEl.querySelectorAll('ion-buttons,[menuToggle]'));
      const parentHeader = enteringToolBarEl.closest('ion-header');
      const inactiveHeader = parentHeader && parentHeader.classList.contains('header-collapse-condense-inactive');
      let buttonsToAnimate;
      if (backDirection) {
        buttonsToAnimate = buttons.filter(button => {
          const isCollapseButton = button.classList.contains('buttons-collapse');
          return (isCollapseButton && !inactiveHeader) || !isCollapseButton;
        });
      }
      else {
        buttonsToAnimate = buttons.filter(button => !button.classList.contains('buttons-collapse'));
      }
      enteringToolBarButtons.addElement(buttonsToAnimate);
      const enteringToolBarItems = (0,_animation_096c6391_js__WEBPACK_IMPORTED_MODULE_0__.c)();
      enteringToolBarItems.addElement(enteringToolBarEl.querySelectorAll(':scope > *:not(ion-title):not(ion-buttons):not([menuToggle])'));
      const enteringToolBarBg = (0,_animation_096c6391_js__WEBPACK_IMPORTED_MODULE_0__.c)();
      enteringToolBarBg.addElement(shadow(enteringToolBarEl).querySelector('.toolbar-background')); // REVIEW
      const enteringBackButton = (0,_animation_096c6391_js__WEBPACK_IMPORTED_MODULE_0__.c)();
      const backButtonEl = enteringToolBarEl.querySelector('ion-back-button');
      if (backButtonEl) {
        enteringBackButton.addElement(backButtonEl);
      }
      enteringToolBar.addAnimation([enteringTitle, enteringToolBarButtons, enteringToolBarItems, enteringToolBarBg, enteringBackButton]);
      enteringToolBarButtons.fromTo(OPACITY, 0.01, 1);
      enteringToolBarItems.fromTo(OPACITY, 0.01, 1);
      if (backDirection) {
        if (!inactiveHeader) {
          enteringTitle
            .fromTo('transform', `translateX(${OFF_LEFT})`, `translateX(${CENTER})`)
            .fromTo(OPACITY, 0.01, 1);
        }
        enteringToolBarItems.fromTo('transform', `translateX(${OFF_LEFT})`, `translateX(${CENTER})`);
        // back direction, entering page has a back button
        enteringBackButton.fromTo(OPACITY, 0.01, 1);
      }
      else {
        // entering toolbar, forward direction
        if (!enteringContentHasLargeTitle) {
          enteringTitle
            .fromTo('transform', `translateX(${OFF_RIGHT})`, `translateX(${CENTER})`)
            .fromTo(OPACITY, 0.01, 1);
        }
        enteringToolBarItems.fromTo('transform', `translateX(${OFF_RIGHT})`, `translateX(${CENTER})`);
        enteringToolBarBg.beforeClearStyles([OPACITY, 'transform']);
        const translucentHeader = parentHeader === null || parentHeader === void 0 ? void 0 : parentHeader.translucent;
        if (!translucentHeader) {
          enteringToolBarBg.fromTo(OPACITY, 0.01, 'var(--opacity)');
        }
        else {
          enteringToolBarBg.fromTo('transform', (isRTL ? 'translateX(-100%)' : 'translateX(100%)'), 'translateX(0px)');
        }
        // forward direction, entering page has a back button
        if (!forward) {
          enteringBackButton.fromTo(OPACITY, 0.01, 1);
        }
        if (backButtonEl && !forward) {
          const enteringBackBtnText = (0,_animation_096c6391_js__WEBPACK_IMPORTED_MODULE_0__.c)();
          enteringBackBtnText
            .addElement(shadow(backButtonEl).querySelector('.button-text')) // REVIEW
            .fromTo(`transform`, (isRTL ? 'translateX(-100px)' : 'translateX(100px)'), 'translateX(0px)');
          enteringToolBar.addAnimation(enteringBackBtnText);
        }
      }
    });
    // setup leaving view
    if (leavingEl) {
      const leavingContent = (0,_animation_096c6391_js__WEBPACK_IMPORTED_MODULE_0__.c)();
      const leavingContentEl = leavingEl.querySelector(':scope > ion-content');
      const leavingToolBarEls = leavingEl.querySelectorAll(':scope > ion-header > ion-toolbar');
      const leavingHeaderEls = leavingEl.querySelectorAll(':scope > ion-header > *:not(ion-toolbar), :scope > ion-footer > *');
      if (!leavingContentEl && leavingToolBarEls.length === 0 && leavingHeaderEls.length === 0) {
        leavingContent.addElement(leavingEl.querySelector(':scope > .ion-page, :scope > ion-nav, :scope > ion-tabs')); // REVIEW
      }
      else {
        leavingContent.addElement(leavingContentEl); // REVIEW
        leavingContent.addElement(leavingHeaderEls);
      }
      rootAnimation.addAnimation(leavingContent);
      if (backDirection) {
        // leaving content, back direction
        leavingContent
          .beforeClearStyles([OPACITY])
          .fromTo('transform', `translateX(${CENTER})`, (isRTL ? 'translateX(-100%)' : 'translateX(100%)'));
        const leavingPage = (0,_index_931440b1_js__WEBPACK_IMPORTED_MODULE_1__.g)(leavingEl);
        rootAnimation.afterAddWrite(() => {
          if (rootAnimation.getDirection() === 'normal') {
            leavingPage.style.setProperty('display', 'none');
          }
        });
      }
      else {
        // leaving content, forward direction
        leavingContent
          .fromTo('transform', `translateX(${CENTER})`, `translateX(${OFF_LEFT})`)
          .fromTo(OPACITY, 1, OFF_OPACITY);
      }
      if (leavingContentEl) {
        const leavingTransitionEffectEl = shadow(leavingContentEl).querySelector('.transition-effect');
        if (leavingTransitionEffectEl) {
          const leavingTransitionCoverEl = leavingTransitionEffectEl.querySelector('.transition-cover');
          const leavingTransitionShadowEl = leavingTransitionEffectEl.querySelector('.transition-shadow');
          const leavingTransitionEffect = (0,_animation_096c6391_js__WEBPACK_IMPORTED_MODULE_0__.c)();
          const leavingTransitionCover = (0,_animation_096c6391_js__WEBPACK_IMPORTED_MODULE_0__.c)();
          const leavingTransitionShadow = (0,_animation_096c6391_js__WEBPACK_IMPORTED_MODULE_0__.c)();
          leavingTransitionEffect
            .addElement(leavingTransitionEffectEl)
            .beforeStyles({ opacity: '1', display: 'block' })
            .afterStyles({ opacity: '', display: '' });
          leavingTransitionCover
            .addElement(leavingTransitionCoverEl) // REVIEW
            .beforeClearStyles([OPACITY])
            .fromTo(OPACITY, 0.1, 0);
          leavingTransitionShadow
            .addElement(leavingTransitionShadowEl) // REVIEW
            .beforeClearStyles([OPACITY])
            .fromTo(OPACITY, 0.70, 0.03);
          leavingTransitionEffect.addAnimation([leavingTransitionCover, leavingTransitionShadow]);
          leavingContent.addAnimation([leavingTransitionEffect]);
        }
      }
      leavingToolBarEls.forEach(leavingToolBarEl => {
        const leavingToolBar = (0,_animation_096c6391_js__WEBPACK_IMPORTED_MODULE_0__.c)();
        leavingToolBar.addElement(leavingToolBarEl);
        const leavingTitle = (0,_animation_096c6391_js__WEBPACK_IMPORTED_MODULE_0__.c)();
        leavingTitle.addElement(leavingToolBarEl.querySelector('ion-title')); // REVIEW
        const leavingToolBarButtons = (0,_animation_096c6391_js__WEBPACK_IMPORTED_MODULE_0__.c)();
        const buttons = leavingToolBarEl.querySelectorAll('ion-buttons,[menuToggle]');
        const parentHeader = leavingToolBarEl.closest('ion-header');
        const inactiveHeader = parentHeader && parentHeader.classList.contains('header-collapse-condense-inactive');
        const buttonsToAnimate = Array.from(buttons).filter(button => {
          const isCollapseButton = button.classList.contains('buttons-collapse');
          return (isCollapseButton && !inactiveHeader) || !isCollapseButton;
        });
        leavingToolBarButtons.addElement(buttonsToAnimate);
        const leavingToolBarItems = (0,_animation_096c6391_js__WEBPACK_IMPORTED_MODULE_0__.c)();
        const leavingToolBarItemEls = leavingToolBarEl.querySelectorAll(':scope > *:not(ion-title):not(ion-buttons):not([menuToggle])');
        if (leavingToolBarItemEls.length > 0) {
          leavingToolBarItems.addElement(leavingToolBarItemEls);
        }
        const leavingToolBarBg = (0,_animation_096c6391_js__WEBPACK_IMPORTED_MODULE_0__.c)();
        leavingToolBarBg.addElement(shadow(leavingToolBarEl).querySelector('.toolbar-background')); // REVIEW
        const leavingBackButton = (0,_animation_096c6391_js__WEBPACK_IMPORTED_MODULE_0__.c)();
        const backButtonEl = leavingToolBarEl.querySelector('ion-back-button');
        if (backButtonEl) {
          leavingBackButton.addElement(backButtonEl);
        }
        leavingToolBar.addAnimation([leavingTitle, leavingToolBarButtons, leavingToolBarItems, leavingBackButton, leavingToolBarBg]);
        rootAnimation.addAnimation(leavingToolBar);
        // fade out leaving toolbar items
        leavingBackButton.fromTo(OPACITY, 0.99, 0);
        leavingToolBarButtons.fromTo(OPACITY, 0.99, 0);
        leavingToolBarItems.fromTo(OPACITY, 0.99, 0);
        if (backDirection) {
          if (!inactiveHeader) {
            // leaving toolbar, back direction
            leavingTitle
              .fromTo('transform', `translateX(${CENTER})`, (isRTL ? 'translateX(-100%)' : 'translateX(100%)'))
              .fromTo(OPACITY, 0.99, 0);
          }
          leavingToolBarItems.fromTo('transform', `translateX(${CENTER})`, (isRTL ? 'translateX(-100%)' : 'translateX(100%)'));
          leavingToolBarBg.beforeClearStyles([OPACITY, 'transform']);
          // leaving toolbar, back direction, and there's no entering toolbar
          // should just slide out, no fading out
          const translucentHeader = parentHeader === null || parentHeader === void 0 ? void 0 : parentHeader.translucent;
          if (!translucentHeader) {
            leavingToolBarBg.fromTo(OPACITY, 'var(--opacity)', 0);
          }
          else {
            leavingToolBarBg.fromTo('transform', 'translateX(0px)', (isRTL ? 'translateX(-100%)' : 'translateX(100%)'));
          }
          if (backButtonEl && !backward) {
            const leavingBackBtnText = (0,_animation_096c6391_js__WEBPACK_IMPORTED_MODULE_0__.c)();
            leavingBackBtnText
              .addElement(shadow(backButtonEl).querySelector('.button-text')) // REVIEW
              .fromTo('transform', `translateX(${CENTER})`, `translateX(${(isRTL ? -124 : 124) + 'px'})`);
            leavingToolBar.addAnimation(leavingBackBtnText);
          }
        }
        else {
          // leaving toolbar, forward direction
          if (!inactiveHeader) {
            leavingTitle
              .fromTo('transform', `translateX(${CENTER})`, `translateX(${OFF_LEFT})`)
              .fromTo(OPACITY, 0.99, 0)
              .afterClearStyles([TRANSFORM, OPACITY]);
          }
          leavingToolBarItems
            .fromTo('transform', `translateX(${CENTER})`, `translateX(${OFF_LEFT})`)
            .afterClearStyles([TRANSFORM, OPACITY]);
          leavingBackButton.afterClearStyles([OPACITY]);
          leavingTitle.afterClearStyles([OPACITY]);
          leavingToolBarButtons.afterClearStyles([OPACITY]);
        }
      });
    }
    return rootAnimation;
  }
  catch (err) {
    throw err;
  }
};




/***/ }),

/***/ 7706:
/*!*****************************************************!*\
  !*** ./node_modules/@ionic/core/dist/esm/loader.js ***!
  \*****************************************************/
/***/ ((__unused_webpack_module, __webpack_exports__, __webpack_require__) => {

"use strict";
__webpack_require__.r(__webpack_exports__);
/* harmony export */ __webpack_require__.d(__webpack_exports__, {
/* harmony export */   "defineCustomElements": () => (/* binding */ defineCustomElements)
/* harmony export */ });
/* harmony import */ var _index_7a8b7a1c_js__WEBPACK_IMPORTED_MODULE_0__ = __webpack_require__(/*! ./index-7a8b7a1c.js */ 3150);
/* harmony import */ var _app_globals_fd807b9a_js__WEBPACK_IMPORTED_MODULE_1__ = __webpack_require__(/*! ./app-globals-fd807b9a.js */ 3733);
/* harmony import */ var _ionic_global_63a97a32_js__WEBPACK_IMPORTED_MODULE_2__ = __webpack_require__(/*! ./ionic-global-63a97a32.js */ 7585);




/*
 Stencil Client Patch Esm v2.5.0 | MIT Licensed | https://stenciljs.com
 */
const patchEsm = () => {
    // NOTE!! This fn cannot use async/await!
    // @ts-ignore
    if (!(_index_7a8b7a1c_js__WEBPACK_IMPORTED_MODULE_0__.C && _index_7a8b7a1c_js__WEBPACK_IMPORTED_MODULE_0__.C.supports && _index_7a8b7a1c_js__WEBPACK_IMPORTED_MODULE_0__.C.supports('color', 'var(--c)'))) {
        // @ts-ignore
        return __webpack_require__.e(/*! import() | polyfills-css-shim */ "polyfills-css-shim").then(__webpack_require__.t.bind(__webpack_require__, /*! ./css-shim-2ccf4dec.js */ 1800, 23)).then(() => {
            if ((_index_7a8b7a1c_js__WEBPACK_IMPORTED_MODULE_0__.p.$cssShim$ = _index_7a8b7a1c_js__WEBPACK_IMPORTED_MODULE_0__.w.__cssshim)) {
                return _index_7a8b7a1c_js__WEBPACK_IMPORTED_MODULE_0__.p.$cssShim$.i();
            }
            else {
                // for better minification
                return 0;
            }
        });
    }
    return (0,_index_7a8b7a1c_js__WEBPACK_IMPORTED_MODULE_0__.a)();
};

const defineCustomElements = (win, options) => {
  if (typeof window === 'undefined') return Promise.resolve();
  return patchEsm().then(() => {
  (0,_app_globals_fd807b9a_js__WEBPACK_IMPORTED_MODULE_1__.g)();
  return (0,_index_7a8b7a1c_js__WEBPACK_IMPORTED_MODULE_0__.b)(JSON.parse("[[\"ion-select_3\",[[2,\"ion-select-popover\",{\"header\":[1],\"subHeader\":[1,\"sub-header\"],\"message\":[1],\"options\":[16]},[[0,\"ionChange\",\"onSelect\"]]],[33,\"ion-select\",{\"disabled\":[4],\"cancelText\":[1,\"cancel-text\"],\"okText\":[1,\"ok-text\"],\"placeholder\":[1],\"name\":[1],\"selectedText\":[1,\"selected-text\"],\"multiple\":[4],\"interface\":[1],\"interfaceOptions\":[8,\"interface-options\"],\"compareWith\":[1,\"compare-with\"],\"value\":[1032],\"isExpanded\":[32],\"open\":[64]}],[1,\"ion-select-option\",{\"disabled\":[4],\"value\":[8]}]]],[\"ion-menu_3\",[[33,\"ion-menu-button\",{\"color\":[513],\"disabled\":[4],\"menu\":[1],\"autoHide\":[4,\"auto-hide\"],\"type\":[1],\"visible\":[32]},[[16,\"ionMenuChange\",\"visibilityChanged\"],[16,\"ionSplitPaneVisible\",\"visibilityChanged\"]]],[33,\"ion-menu\",{\"contentId\":[513,\"content-id\"],\"menuId\":[513,\"menu-id\"],\"type\":[1025],\"disabled\":[1028],\"side\":[513],\"swipeGesture\":[4,\"swipe-gesture\"],\"maxEdgeStart\":[2,\"max-edge-start\"],\"isPaneVisible\":[32],\"isEndSide\":[32],\"isOpen\":[64],\"isActive\":[64],\"open\":[64],\"close\":[64],\"toggle\":[64],\"setOpen\":[64]},[[16,\"ionSplitPaneVisible\",\"onSplitPaneChanged\"],[2,\"click\",\"onBackdropClick\"]]],[1,\"ion-menu-toggle\",{\"menu\":[1],\"autoHide\":[4,\"auto-hide\"],\"visible\":[32]},[[16,\"ionMenuChange\",\"visibilityChanged\"],[16,\"ionSplitPaneVisible\",\"visibilityChanged\"]]]]],[\"ion-action-sheet\",[[34,\"ion-action-sheet\",{\"overlayIndex\":[2,\"overlay-index\"],\"keyboardClose\":[4,\"keyboard-close\"],\"enterAnimation\":[16],\"leaveAnimation\":[16],\"buttons\":[16],\"cssClass\":[1,\"css-class\"],\"backdropDismiss\":[4,\"backdrop-dismiss\"],\"header\":[1],\"subHeader\":[1,\"sub-header\"],\"translucent\":[4],\"animated\":[4],\"htmlAttributes\":[16],\"present\":[64],\"dismiss\":[64],\"onDidDismiss\":[64],\"onWillDismiss\":[64]}]]],[\"ion-fab_3\",[[33,\"ion-fab-button\",{\"color\":[513],\"activated\":[4],\"disabled\":[4],\"download\":[1],\"href\":[1],\"rel\":[1],\"routerDirection\":[1,\"router-direction\"],\"routerAnimation\":[16],\"target\":[1],\"show\":[4],\"translucent\":[4],\"type\":[1],\"size\":[1],\"closeIcon\":[1,\"close-icon\"]}],[1,\"ion-fab\",{\"horizontal\":[1],\"vertical\":[1],\"edge\":[4],\"activated\":[1028],\"close\":[64]}],[1,\"ion-fab-list\",{\"activated\":[4],\"side\":[1]}]]],[\"ion-refresher_2\",[[0,\"ion-refresher-content\",{\"pullingIcon\":[1025,\"pulling-icon\"],\"pullingText\":[1,\"pulling-text\"],\"refreshingSpinner\":[1025,\"refreshing-spinner\"],\"refreshingText\":[1,\"refreshing-text\"]}],[32,\"ion-refresher\",{\"pullMin\":[2,\"pull-min\"],\"pullMax\":[2,\"pull-max\"],\"closeDuration\":[1,\"close-duration\"],\"snapbackDuration\":[1,\"snapback-duration\"],\"pullFactor\":[2,\"pull-factor\"],\"disabled\":[4],\"nativeRefresher\":[32],\"state\":[32],\"complete\":[64],\"cancel\":[64],\"getProgress\":[64]}]]],[\"ion-alert\",[[34,\"ion-alert\",{\"overlayIndex\":[2,\"overlay-index\"],\"keyboardClose\":[4,\"keyboard-close\"],\"enterAnimation\":[16],\"leaveAnimation\":[16],\"cssClass\":[1,\"css-class\"],\"header\":[1],\"subHeader\":[1,\"sub-header\"],\"message\":[1],\"buttons\":[16],\"inputs\":[1040],\"backdropDismiss\":[4,\"backdrop-dismiss\"],\"translucent\":[4],\"animated\":[4],\"htmlAttributes\":[16],\"present\":[64],\"dismiss\":[64],\"onDidDismiss\":[64],\"onWillDismiss\":[64]},[[4,\"keydown\",\"onKeydown\"]]]]],[\"ion-back-button\",[[33,\"ion-back-button\",{\"color\":[513],\"defaultHref\":[1025,\"default-href\"],\"disabled\":[516],\"icon\":[1],\"text\":[1],\"type\":[1],\"routerAnimation\":[16]}]]],[\"ion-loading\",[[34,\"ion-loading\",{\"overlayIndex\":[2,\"overlay-index\"],\"keyboardClose\":[4,\"keyboard-close\"],\"enterAnimation\":[16],\"leaveAnimation\":[16],\"message\":[1],\"cssClass\":[1,\"css-class\"],\"duration\":[2],\"backdropDismiss\":[4,\"backdrop-dismiss\"],\"showBackdrop\":[4,\"show-backdrop\"],\"spinner\":[1025],\"translucent\":[4],\"animated\":[4],\"htmlAttributes\":[16],\"present\":[64],\"dismiss\":[64],\"onDidDismiss\":[64],\"onWillDismiss\":[64]}]]],[\"ion-toast\",[[33,\"ion-toast\",{\"overlayIndex\":[2,\"overlay-index\"],\"color\":[513],\"enterAnimation\":[16],\"leaveAnimation\":[16],\"cssClass\":[1,\"css-class\"],\"duration\":[2],\"header\":[1],\"message\":[1],\"keyboardClose\":[4,\"keyboard-close\"],\"position\":[1],\"buttons\":[16],\"translucent\":[4],\"animated\":[4],\"htmlAttributes\":[16],\"present\":[64],\"dismiss\":[64],\"onDidDismiss\":[64],\"onWillDismiss\":[64]}]]],[\"ion-card_5\",[[33,\"ion-card\",{\"color\":[513],\"button\":[4],\"type\":[1],\"disabled\":[4],\"download\":[1],\"href\":[1],\"rel\":[1],\"routerDirection\":[1,\"router-direction\"],\"routerAnimation\":[16],\"target\":[1]}],[32,\"ion-card-content\"],[33,\"ion-card-header\",{\"color\":[513],\"translucent\":[4]}],[33,\"ion-card-subtitle\",{\"color\":[513]}],[33,\"ion-card-title\",{\"color\":[513]}]]],[\"ion-item-option_3\",[[33,\"ion-item-option\",{\"color\":[513],\"disabled\":[4],\"download\":[1],\"expandable\":[4],\"href\":[1],\"rel\":[1],\"target\":[1],\"type\":[1]}],[32,\"ion-item-options\",{\"side\":[1],\"fireSwipeEvent\":[64]}],[0,\"ion-item-sliding\",{\"disabled\":[4],\"state\":[32],\"getOpenAmount\":[64],\"getSlidingRatio\":[64],\"open\":[64],\"close\":[64],\"closeOpened\":[64]}]]],[\"ion-infinite-scroll_2\",[[32,\"ion-infinite-scroll-content\",{\"loadingSpinner\":[1025,\"loading-spinner\"],\"loadingText\":[1,\"loading-text\"]}],[0,\"ion-infinite-scroll\",{\"threshold\":[1],\"disabled\":[4],\"position\":[1],\"isLoading\":[32],\"complete\":[64]}]]],[\"ion-reorder_2\",[[33,\"ion-reorder\",null,[[2,\"click\",\"onClick\"]]],[0,\"ion-reorder-group\",{\"disabled\":[4],\"state\":[32],\"complete\":[64]}]]],[\"ion-segment_2\",[[33,\"ion-segment-button\",{\"disabled\":[4],\"layout\":[1],\"type\":[1],\"value\":[1],\"checked\":[32]}],[33,\"ion-segment\",{\"color\":[513],\"disabled\":[4],\"scrollable\":[4],\"swipeGesture\":[4,\"swipe-gesture\"],\"value\":[1025],\"activated\":[32]}]]],[\"ion-tab-bar_2\",[[33,\"ion-tab-button\",{\"disabled\":[4],\"download\":[1],\"href\":[1],\"rel\":[1],\"layout\":[1025],\"selected\":[1028],\"tab\":[1],\"target\":[1]},[[8,\"ionTabBarChanged\",\"onTabBarChanged\"]]],[33,\"ion-tab-bar\",{\"color\":[513],\"selectedTab\":[1,\"selected-tab\"],\"translucent\":[4],\"keyboardVisible\":[32]}]]],[\"ion-chip\",[[33,\"ion-chip\",{\"color\":[513],\"outline\":[4],\"disabled\":[4]}]]],[\"ion-modal\",[[34,\"ion-modal\",{\"overlayIndex\":[2,\"overlay-index\"],\"delegate\":[16],\"keyboardClose\":[4,\"keyboard-close\"],\"enterAnimation\":[16],\"leaveAnimation\":[16],\"component\":[1],\"componentProps\":[16],\"cssClass\":[1,\"css-class\"],\"backdropDismiss\":[4,\"backdrop-dismiss\"],\"showBackdrop\":[4,\"show-backdrop\"],\"animated\":[4],\"swipeToClose\":[4,\"swipe-to-close\"],\"presentingElement\":[16],\"htmlAttributes\":[16],\"present\":[64],\"dismiss\":[64],\"onDidDismiss\":[64],\"onWillDismiss\":[64]}]]],[\"ion-popover\",[[34,\"ion-popover\",{\"delegate\":[16],\"overlayIndex\":[2,\"overlay-index\"],\"enterAnimation\":[16],\"leaveAnimation\":[16],\"component\":[1],\"componentProps\":[16],\"keyboardClose\":[4,\"keyboard-close\"],\"cssClass\":[1,\"css-class\"],\"backdropDismiss\":[4,\"backdrop-dismiss\"],\"event\":[8],\"showBackdrop\":[4,\"show-backdrop\"],\"translucent\":[4],\"animated\":[4],\"htmlAttributes\":[16],\"present\":[64],\"dismiss\":[64],\"onDidDismiss\":[64],\"onWillDismiss\":[64]}]]],[\"ion-searchbar\",[[34,\"ion-searchbar\",{\"color\":[513],\"animated\":[4],\"autocomplete\":[1],\"autocorrect\":[1],\"cancelButtonIcon\":[1,\"cancel-button-icon\"],\"cancelButtonText\":[1,\"cancel-button-text\"],\"clearIcon\":[1,\"clear-icon\"],\"debounce\":[2],\"disabled\":[4],\"inputmode\":[1],\"enterkeyhint\":[1],\"placeholder\":[1],\"searchIcon\":[1,\"search-icon\"],\"showCancelButton\":[1,\"show-cancel-button\"],\"showClearButton\":[1,\"show-clear-button\"],\"spellcheck\":[4],\"type\":[1],\"value\":[1025],\"focused\":[32],\"noAnimate\":[32],\"setFocus\":[64],\"getInputElement\":[64]}]]],[\"ion-app_8\",[[0,\"ion-app\"],[34,\"ion-buttons\",{\"collapse\":[4]}],[1,\"ion-content\",{\"color\":[513],\"fullscreen\":[4],\"forceOverscroll\":[1028,\"force-overscroll\"],\"scrollX\":[4,\"scroll-x\"],\"scrollY\":[4,\"scroll-y\"],\"scrollEvents\":[4,\"scroll-events\"],\"getScrollElement\":[64],\"scrollToTop\":[64],\"scrollToBottom\":[64],\"scrollByPoint\":[64],\"scrollToPoint\":[64]},[[8,\"appload\",\"onAppLoad\"],[2,\"click\",\"onClick\"]]],[36,\"ion-footer\",{\"translucent\":[4]}],[36,\"ion-header\",{\"collapse\":[1],\"translucent\":[4]}],[1,\"ion-router-outlet\",{\"mode\":[1025],\"delegate\":[16],\"animated\":[4],\"animation\":[16],\"swipeHandler\":[16],\"commit\":[64],\"setRouteId\":[64],\"getRouteId\":[64]}],[33,\"ion-title\",{\"color\":[513],\"size\":[1]}],[33,\"ion-toolbar\",{\"color\":[513]},[[0,\"ionStyle\",\"childrenStyle\"]]]]],[\"ion-route_4\",[[0,\"ion-route\",{\"url\":[1],\"component\":[1],\"componentProps\":[16],\"beforeLeave\":[16],\"beforeEnter\":[16]}],[0,\"ion-route-redirect\",{\"from\":[1],\"to\":[1]}],[0,\"ion-router\",{\"root\":[1],\"useHash\":[4,\"use-hash\"],\"canTransition\":[64],\"push\":[64],\"back\":[64],\"printDebug\":[64],\"navChanged\":[64]},[[8,\"popstate\",\"onPopState\"],[4,\"ionBackButton\",\"onBackButton\"]]],[1,\"ion-router-link\",{\"color\":[513],\"href\":[1],\"rel\":[1],\"routerDirection\":[1,\"router-direction\"],\"routerAnimation\":[16],\"target\":[1]}]]],[\"ion-avatar_3\",[[33,\"ion-avatar\"],[33,\"ion-badge\",{\"color\":[513]}],[1,\"ion-thumbnail\"]]],[\"ion-col_3\",[[1,\"ion-col\",{\"offset\":[1],\"offsetXs\":[1,\"offset-xs\"],\"offsetSm\":[1,\"offset-sm\"],\"offsetMd\":[1,\"offset-md\"],\"offsetLg\":[1,\"offset-lg\"],\"offsetXl\":[1,\"offset-xl\"],\"pull\":[1],\"pullXs\":[1,\"pull-xs\"],\"pullSm\":[1,\"pull-sm\"],\"pullMd\":[1,\"pull-md\"],\"pullLg\":[1,\"pull-lg\"],\"pullXl\":[1,\"pull-xl\"],\"push\":[1],\"pushXs\":[1,\"push-xs\"],\"pushSm\":[1,\"push-sm\"],\"pushMd\":[1,\"push-md\"],\"pushLg\":[1,\"push-lg\"],\"pushXl\":[1,\"push-xl\"],\"size\":[1],\"sizeXs\":[1,\"size-xs\"],\"sizeSm\":[1,\"size-sm\"],\"sizeMd\":[1,\"size-md\"],\"sizeLg\":[1,\"size-lg\"],\"sizeXl\":[1,\"size-xl\"]},[[9,\"resize\",\"onResize\"]]],[1,\"ion-grid\",{\"fixed\":[4]}],[1,\"ion-row\"]]],[\"ion-nav_2\",[[1,\"ion-nav\",{\"delegate\":[16],\"swipeGesture\":[1028,\"swipe-gesture\"],\"animated\":[4],\"animation\":[16],\"rootParams\":[16],\"root\":[1],\"push\":[64],\"insert\":[64],\"insertPages\":[64],\"pop\":[64],\"popTo\":[64],\"popToRoot\":[64],\"removeIndex\":[64],\"setRoot\":[64],\"setPages\":[64],\"setRouteId\":[64],\"getRouteId\":[64],\"getActive\":[64],\"getByIndex\":[64],\"canGoBack\":[64],\"getPrevious\":[64]}],[0,\"ion-nav-link\",{\"component\":[1],\"componentProps\":[16],\"routerDirection\":[1,\"router-direction\"],\"routerAnimation\":[16]}]]],[\"ion-slide_2\",[[0,\"ion-slide\"],[36,\"ion-slides\",{\"options\":[8],\"pager\":[4],\"scrollbar\":[4],\"update\":[64],\"updateAutoHeight\":[64],\"slideTo\":[64],\"slideNext\":[64],\"slidePrev\":[64],\"getActiveIndex\":[64],\"getPreviousIndex\":[64],\"length\":[64],\"isEnd\":[64],\"isBeginning\":[64],\"startAutoplay\":[64],\"stopAutoplay\":[64],\"lockSwipeToNext\":[64],\"lockSwipeToPrev\":[64],\"lockSwipes\":[64],\"getSwiper\":[64]}]]],[\"ion-tab_2\",[[1,\"ion-tab\",{\"active\":[1028],\"delegate\":[16],\"tab\":[1],\"component\":[1],\"setActive\":[64]}],[1,\"ion-tabs\",{\"useRouter\":[1028,\"use-router\"],\"selectedTab\":[32],\"select\":[64],\"getTab\":[64],\"getSelected\":[64],\"setRouteId\":[64],\"getRouteId\":[64]}]]],[\"ion-checkbox\",[[33,\"ion-checkbox\",{\"color\":[513],\"name\":[1],\"checked\":[1028],\"indeterminate\":[1028],\"disabled\":[4],\"value\":[1]}]]],[\"ion-img\",[[1,\"ion-img\",{\"alt\":[1],\"src\":[1],\"loadSrc\":[32],\"loadError\":[32]}]]],[\"ion-input\",[[34,\"ion-input\",{\"fireFocusEvents\":[4,\"fire-focus-events\"],\"color\":[513],\"accept\":[1],\"autocapitalize\":[1],\"autocomplete\":[1],\"autocorrect\":[1],\"autofocus\":[4],\"clearInput\":[4,\"clear-input\"],\"clearOnEdit\":[4,\"clear-on-edit\"],\"debounce\":[2],\"disabled\":[4],\"enterkeyhint\":[1],\"inputmode\":[1],\"max\":[1],\"maxlength\":[2],\"min\":[1],\"minlength\":[2],\"multiple\":[4],\"name\":[1],\"pattern\":[1],\"placeholder\":[1],\"readonly\":[4],\"required\":[4],\"spellcheck\":[4],\"step\":[1],\"size\":[2],\"type\":[1],\"value\":[1032],\"hasFocus\":[32],\"setFocus\":[64],\"setBlur\":[64],\"getInputElement\":[64]}]]],[\"ion-progress-bar\",[[33,\"ion-progress-bar\",{\"type\":[1],\"reversed\":[4],\"value\":[2],\"buffer\":[2],\"color\":[513]}]]],[\"ion-range\",[[33,\"ion-range\",{\"color\":[513],\"debounce\":[2],\"name\":[1],\"dualKnobs\":[4,\"dual-knobs\"],\"min\":[2],\"max\":[2],\"pin\":[4],\"snaps\":[4],\"step\":[2],\"ticks\":[4],\"disabled\":[4],\"value\":[1026],\"ratioA\":[32],\"ratioB\":[32],\"pressedKnob\":[32]}]]],[\"ion-split-pane\",[[33,\"ion-split-pane\",{\"contentId\":[513,\"content-id\"],\"disabled\":[4],\"when\":[8],\"visible\":[32]}]]],[\"ion-text\",[[1,\"ion-text\",{\"color\":[513]}]]],[\"ion-textarea\",[[34,\"ion-textarea\",{\"fireFocusEvents\":[4,\"fire-focus-events\"],\"color\":[513],\"autocapitalize\":[1],\"autofocus\":[4],\"clearOnEdit\":[1028,\"clear-on-edit\"],\"debounce\":[2],\"disabled\":[4],\"inputmode\":[1],\"enterkeyhint\":[1],\"maxlength\":[2],\"minlength\":[2],\"name\":[1],\"placeholder\":[1],\"readonly\":[4],\"required\":[4],\"spellcheck\":[4],\"cols\":[2],\"rows\":[2],\"wrap\":[1],\"autoGrow\":[4,\"auto-grow\"],\"value\":[1025],\"hasFocus\":[32],\"setFocus\":[64],\"setBlur\":[64],\"getInputElement\":[64]}]]],[\"ion-toggle\",[[33,\"ion-toggle\",{\"color\":[513],\"name\":[1],\"checked\":[1028],\"disabled\":[4],\"value\":[1],\"activated\":[32]}]]],[\"ion-virtual-scroll\",[[0,\"ion-virtual-scroll\",{\"approxItemHeight\":[2,\"approx-item-height\"],\"approxHeaderHeight\":[2,\"approx-header-height\"],\"approxFooterHeight\":[2,\"approx-footer-height\"],\"headerFn\":[16],\"footerFn\":[16],\"items\":[16],\"itemHeight\":[16],\"headerHeight\":[16],\"footerHeight\":[16],\"renderItem\":[16],\"renderHeader\":[16],\"renderFooter\":[16],\"nodeRender\":[16],\"domRender\":[16],\"totalHeight\":[32],\"positionForItem\":[64],\"checkRange\":[64],\"checkEnd\":[64]},[[9,\"resize\",\"onResize\"]]]]],[\"ion-datetime_3\",[[34,\"ion-picker\",{\"overlayIndex\":[2,\"overlay-index\"],\"keyboardClose\":[4,\"keyboard-close\"],\"enterAnimation\":[16],\"leaveAnimation\":[16],\"buttons\":[16],\"columns\":[16],\"cssClass\":[1,\"css-class\"],\"duration\":[2],\"showBackdrop\":[4,\"show-backdrop\"],\"backdropDismiss\":[4,\"backdrop-dismiss\"],\"animated\":[4],\"htmlAttributes\":[16],\"presented\":[32],\"present\":[64],\"dismiss\":[64],\"onDidDismiss\":[64],\"onWillDismiss\":[64],\"getColumn\":[64]}],[33,\"ion-datetime\",{\"name\":[1],\"disabled\":[4],\"readonly\":[4],\"min\":[1025],\"max\":[1025],\"displayFormat\":[1,\"display-format\"],\"displayTimezone\":[1,\"display-timezone\"],\"pickerFormat\":[1,\"picker-format\"],\"cancelText\":[1,\"cancel-text\"],\"doneText\":[1,\"done-text\"],\"yearValues\":[8,\"year-values\"],\"monthValues\":[8,\"month-values\"],\"dayValues\":[8,\"day-values\"],\"hourValues\":[8,\"hour-values\"],\"minuteValues\":[8,\"minute-values\"],\"monthNames\":[1,\"month-names\"],\"monthShortNames\":[1,\"month-short-names\"],\"dayNames\":[1,\"day-names\"],\"dayShortNames\":[1,\"day-short-names\"],\"pickerOptions\":[16],\"placeholder\":[1],\"value\":[1025],\"isExpanded\":[32],\"open\":[64]}],[32,\"ion-picker-column\",{\"col\":[16]}]]],[\"ion-radio_2\",[[33,\"ion-radio\",{\"color\":[513],\"name\":[1],\"disabled\":[4],\"value\":[8],\"checked\":[32],\"buttonTabindex\":[32],\"setFocus\":[64],\"setButtonTabindex\":[64]}],[0,\"ion-radio-group\",{\"allowEmptySelection\":[4,\"allow-empty-selection\"],\"name\":[1],\"value\":[1032]},[[4,\"keydown\",\"onKeydown\"]]]]],[\"ion-spinner\",[[1,\"ion-spinner\",{\"color\":[513],\"duration\":[2],\"name\":[1],\"paused\":[4]}]]],[\"ion-backdrop\",[[33,\"ion-backdrop\",{\"visible\":[4],\"tappable\":[4],\"stopPropagation\":[4,\"stop-propagation\"]},[[2,\"click\",\"onMouseDown\"]]]]],[\"ion-ripple-effect\",[[1,\"ion-ripple-effect\",{\"type\":[1],\"addRipple\":[64]}]]],[\"ion-button_2\",[[33,\"ion-button\",{\"color\":[513],\"buttonType\":[1025,\"button-type\"],\"disabled\":[516],\"expand\":[513],\"fill\":[1537],\"routerDirection\":[1,\"router-direction\"],\"routerAnimation\":[16],\"download\":[1],\"href\":[1],\"rel\":[1],\"shape\":[513],\"size\":[513],\"strong\":[4],\"target\":[1],\"type\":[1]}],[1,\"ion-icon\",{\"mode\":[1025],\"color\":[1],\"ariaLabel\":[1537,\"aria-label\"],\"ariaHidden\":[513,\"aria-hidden\"],\"ios\":[1],\"md\":[1],\"flipRtl\":[4,\"flip-rtl\"],\"name\":[513],\"src\":[1],\"icon\":[8],\"size\":[1],\"lazy\":[4],\"sanitize\":[4],\"svgContent\":[32],\"isVisible\":[32]}]]],[\"ion-item_8\",[[33,\"ion-item-divider\",{\"color\":[513],\"sticky\":[4]}],[32,\"ion-item-group\"],[33,\"ion-note\",{\"color\":[513]}],[1,\"ion-skeleton-text\",{\"animated\":[4]}],[49,\"ion-item\",{\"color\":[513],\"button\":[4],\"detail\":[4],\"detailIcon\":[1,\"detail-icon\"],\"disabled\":[4],\"download\":[1],\"href\":[1],\"rel\":[1],\"lines\":[1],\"routerAnimation\":[16],\"routerDirection\":[1,\"router-direction\"],\"target\":[1],\"type\":[1],\"multipleInputs\":[32]},[[0,\"ionColor\",\"labelColorChanged\"],[0,\"ionStyle\",\"itemStyle\"]]],[34,\"ion-label\",{\"color\":[513],\"position\":[1],\"noAnimate\":[32]}],[32,\"ion-list\",{\"lines\":[1],\"inset\":[4],\"closeSlidingItems\":[64]}],[33,\"ion-list-header\",{\"color\":[513],\"lines\":[1]}]]]]"), options);
  });
};




/***/ }),

/***/ 7405:
/*!*********************************************************************!*\
  !*** ./node_modules/@ionic/core/dist/esm/md.transition-eecd3a67.js ***!
  \*********************************************************************/
/***/ ((__unused_webpack_module, __webpack_exports__, __webpack_require__) => {

"use strict";
__webpack_require__.r(__webpack_exports__);
/* harmony export */ __webpack_require__.d(__webpack_exports__, {
/* harmony export */   "mdTransitionAnimation": () => (/* binding */ mdTransitionAnimation)
/* harmony export */ });
/* harmony import */ var _animation_096c6391_js__WEBPACK_IMPORTED_MODULE_0__ = __webpack_require__(/*! ./animation-096c6391.js */ 4086);
/* harmony import */ var _index_931440b1_js__WEBPACK_IMPORTED_MODULE_1__ = __webpack_require__(/*! ./index-931440b1.js */ 4001);
/* harmony import */ var _helpers_dd7e4b7b_js__WEBPACK_IMPORTED_MODULE_2__ = __webpack_require__(/*! ./helpers-dd7e4b7b.js */ 2377);
/* harmony import */ var _index_7a8b7a1c_js__WEBPACK_IMPORTED_MODULE_3__ = __webpack_require__(/*! ./index-7a8b7a1c.js */ 3150);





const mdTransitionAnimation = (_, opts) => {
  const OFF_BOTTOM = '40px';
  const CENTER = '0px';
  const backDirection = (opts.direction === 'back');
  const enteringEl = opts.enteringEl;
  const leavingEl = opts.leavingEl;
  const ionPageElement = (0,_index_931440b1_js__WEBPACK_IMPORTED_MODULE_1__.g)(enteringEl);
  const enteringToolbarEle = ionPageElement.querySelector('ion-toolbar');
  const rootTransition = (0,_animation_096c6391_js__WEBPACK_IMPORTED_MODULE_0__.c)();
  rootTransition
    .addElement(ionPageElement)
    .fill('both')
    .beforeRemoveClass('ion-page-invisible');
  // animate the component itself
  if (backDirection) {
    rootTransition
      .duration(opts.duration || 200)
      .easing('cubic-bezier(0.47,0,0.745,0.715)');
  }
  else {
    rootTransition
      .duration(opts.duration || 280)
      .easing('cubic-bezier(0.36,0.66,0.04,1)')
      .fromTo('transform', `translateY(${OFF_BOTTOM})`, `translateY(${CENTER})`)
      .fromTo('opacity', 0.01, 1);
  }
  // Animate toolbar if it's there
  if (enteringToolbarEle) {
    const enteringToolBar = (0,_animation_096c6391_js__WEBPACK_IMPORTED_MODULE_0__.c)();
    enteringToolBar.addElement(enteringToolbarEle);
    rootTransition.addAnimation(enteringToolBar);
  }
  // setup leaving view
  if (leavingEl && backDirection) {
    // leaving content
    rootTransition
      .duration(opts.duration || 200)
      .easing('cubic-bezier(0.47,0,0.745,0.715)');
    const leavingPage = (0,_animation_096c6391_js__WEBPACK_IMPORTED_MODULE_0__.c)();
    leavingPage
      .addElement((0,_index_931440b1_js__WEBPACK_IMPORTED_MODULE_1__.g)(leavingEl))
      .onFinish(currentStep => {
      if (currentStep === 1 && leavingPage.elements.length > 0) {
        leavingPage.elements[0].style.setProperty('display', 'none');
      }
    })
      .fromTo('transform', `translateY(${CENTER})`, `translateY(${OFF_BOTTOM})`)
      .fromTo('opacity', 1, 0);
    rootTransition.addAnimation(leavingPage);
  }
  return rootTransition;
};




/***/ }),

/***/ 7053:
/*!****************************************************************!*\
  !*** ./node_modules/@ionic/core/dist/esm/overlays-e9ccff30.js ***!
  \****************************************************************/
/***/ ((__unused_webpack_module, __webpack_exports__, __webpack_require__) => {

"use strict";
__webpack_require__.r(__webpack_exports__);
/* harmony export */ __webpack_require__.d(__webpack_exports__, {
/* harmony export */   "B": () => (/* binding */ BACKDROP),
/* harmony export */   "a": () => (/* binding */ alertController),
/* harmony export */   "b": () => (/* binding */ actionSheetController),
/* harmony export */   "c": () => (/* binding */ popoverController),
/* harmony export */   "d": () => (/* binding */ present),
/* harmony export */   "e": () => (/* binding */ prepareOverlay),
/* harmony export */   "f": () => (/* binding */ dismiss),
/* harmony export */   "g": () => (/* binding */ eventMethod),
/* harmony export */   "h": () => (/* binding */ activeAnimations),
/* harmony export */   "i": () => (/* binding */ isCancel),
/* harmony export */   "l": () => (/* binding */ loadingController),
/* harmony export */   "m": () => (/* binding */ modalController),
/* harmony export */   "p": () => (/* binding */ pickerController),
/* harmony export */   "s": () => (/* binding */ safeCall),
/* harmony export */   "t": () => (/* binding */ toastController)
/* harmony export */ });
/* harmony import */ var _ionic_global_63a97a32_js__WEBPACK_IMPORTED_MODULE_0__ = __webpack_require__(/*! ./ionic-global-63a97a32.js */ 7585);
/* harmony import */ var _hardware_back_button_4a6b37fb_js__WEBPACK_IMPORTED_MODULE_1__ = __webpack_require__(/*! ./hardware-back-button-4a6b37fb.js */ 3087);
/* harmony import */ var _helpers_dd7e4b7b_js__WEBPACK_IMPORTED_MODULE_2__ = __webpack_require__(/*! ./helpers-dd7e4b7b.js */ 2377);




let lastId = 0;
const activeAnimations = new WeakMap();
const createController = (tagName) => {
  return {
    create(options) {
      return createOverlay(tagName, options);
    },
    dismiss(data, role, id) {
      return dismissOverlay(document, data, role, tagName, id);
    },
    async getTop() {
      return getOverlay(document, tagName);
    }
  };
};
const alertController = /*@__PURE__*/ createController('ion-alert');
const actionSheetController = /*@__PURE__*/ createController('ion-action-sheet');
const loadingController = /*@__PURE__*/ createController('ion-loading');
const modalController = /*@__PURE__*/ createController('ion-modal');
const pickerController = /*@__PURE__*/ createController('ion-picker');
const popoverController = /*@__PURE__*/ createController('ion-popover');
const toastController = /*@__PURE__*/ createController('ion-toast');
const prepareOverlay = (el) => {
  /* tslint:disable-next-line */
  if (typeof document !== 'undefined') {
    connectListeners(document);
  }
  const overlayIndex = lastId++;
  el.overlayIndex = overlayIndex;
  if (!el.hasAttribute('id')) {
    el.id = `ion-overlay-${overlayIndex}`;
  }
};
const createOverlay = (tagName, opts) => {
  /* tslint:disable-next-line */
  if (typeof customElements !== 'undefined') {
    return customElements.whenDefined(tagName).then(() => {
      const element = document.createElement(tagName);
      element.classList.add('overlay-hidden');
      // convert the passed in overlay options into props
      // that get passed down into the new overlay
      Object.assign(element, opts);
      // append the overlay element to the document body
      getAppRoot(document).appendChild(element);
      return new Promise(resolve => (0,_helpers_dd7e4b7b_js__WEBPACK_IMPORTED_MODULE_2__.c)(element, resolve));
    });
  }
  return Promise.resolve();
};
const focusableQueryString = '[tabindex]:not([tabindex^="-"]), input:not([type=hidden]):not([tabindex^="-"]), textarea:not([tabindex^="-"]), button:not([tabindex^="-"]), select:not([tabindex^="-"]), .ion-focusable:not([tabindex^="-"])';
const innerFocusableQueryString = 'input:not([type=hidden]), textarea, button, select';
const focusFirstDescendant = (ref, overlay) => {
  let firstInput = ref.querySelector(focusableQueryString);
  const shadowRoot = firstInput && firstInput.shadowRoot;
  if (shadowRoot) {
    // If there are no inner focusable elements, just focus the host element.
    firstInput = shadowRoot.querySelector(innerFocusableQueryString) || firstInput;
  }
  if (firstInput) {
    firstInput.focus();
  }
  else {
    // Focus overlay instead of letting focus escape
    overlay.focus();
  }
};
const focusLastDescendant = (ref, overlay) => {
  const inputs = Array.from(ref.querySelectorAll(focusableQueryString));
  let lastInput = inputs.length > 0 ? inputs[inputs.length - 1] : null;
  const shadowRoot = lastInput && lastInput.shadowRoot;
  if (shadowRoot) {
    // If there are no inner focusable elements, just focus the host element.
    lastInput = shadowRoot.querySelector(innerFocusableQueryString) || lastInput;
  }
  if (lastInput) {
    lastInput.focus();
  }
  else {
    // Focus overlay instead of letting focus escape
    overlay.focus();
  }
};
/**
 * Traps keyboard focus inside of overlay components.
 * Based on https://w3c.github.io/aria-practices/examples/dialog-modal/alertdialog.html
 * This includes the following components: Action Sheet, Alert, Loading, Modal,
 * Picker, and Popover.
 * Should NOT include: Toast
 */
const trapKeyboardFocus = (ev, doc) => {
  const lastOverlay = getOverlay(doc);
  const target = ev.target;
  // If no active overlay, ignore this event
  if (!lastOverlay || !target) {
    return;
  }
  /**
   * If we are focusing the overlay, clear
   * the last focused element so that hitting
   * tab activates the first focusable element
   * in the overlay wrapper.
   */
  if (lastOverlay === target) {
    lastOverlay.lastFocus = undefined;
    /**
     * Otherwise, we must be focusing an element
     * inside of the overlay. The two possible options
     * here are an input/button/etc or the ion-focus-trap
     * element. The focus trap element is used to prevent
     * the keyboard focus from leaving the overlay when
     * using Tab or screen assistants.
     */
  }
  else {
    /**
     * We do not want to focus the traps, so get the overlay
     * wrapper element as the traps live outside of the wrapper.
     */
    const overlayRoot = (0,_helpers_dd7e4b7b_js__WEBPACK_IMPORTED_MODULE_2__.g)(lastOverlay);
    if (!overlayRoot.contains(target)) {
      return;
    }
    const overlayWrapper = overlayRoot.querySelector('.ion-overlay-wrapper');
    if (!overlayWrapper) {
      return;
    }
    /**
     * If the target is inside the wrapper, let the browser
     * focus as normal and keep a log of the last focused element.
     */
    if (overlayWrapper.contains(target)) {
      lastOverlay.lastFocus = target;
    }
    else {
      /**
       * Otherwise, we must have focused one of the focus traps.
       * We need to wrap the focus to either the first element
       * or the last element.
       */
      /**
       * Once we call `focusFirstDescendant` and focus the first
       * descendant, another focus event will fire which will
       * cause `lastOverlay.lastFocus` to be updated before
       * we can run the code after that. We will cache the value
       * here to avoid that.
       */
      const lastFocus = lastOverlay.lastFocus;
      // Focus the first element in the overlay wrapper
      focusFirstDescendant(overlayWrapper, lastOverlay);
      /**
       * If the cached last focused element is the
       * same as the active element, then we need
       * to wrap focus to the last descendant. This happens
       * when the first descendant is focused, and the user
       * presses Shift + Tab. The previous line will focus
       * the same descendant again (the first one), causing
       * last focus to equal the active element.
       */
      if (lastFocus === doc.activeElement) {
        focusLastDescendant(overlayWrapper, lastOverlay);
      }
      lastOverlay.lastFocus = doc.activeElement;
    }
  }
};
const connectListeners = (doc) => {
  if (lastId === 0) {
    lastId = 1;
    doc.addEventListener('focus', ev => trapKeyboardFocus(ev, doc), true);
    // handle back-button click
    doc.addEventListener('ionBackButton', ev => {
      const lastOverlay = getOverlay(doc);
      if (lastOverlay && lastOverlay.backdropDismiss) {
        ev.detail.register(_hardware_back_button_4a6b37fb_js__WEBPACK_IMPORTED_MODULE_1__.OVERLAY_BACK_BUTTON_PRIORITY, () => {
          return lastOverlay.dismiss(undefined, BACKDROP);
        });
      }
    });
    // handle ESC to close overlay
    doc.addEventListener('keyup', ev => {
      if (ev.key === 'Escape') {
        const lastOverlay = getOverlay(doc);
        if (lastOverlay && lastOverlay.backdropDismiss) {
          lastOverlay.dismiss(undefined, BACKDROP);
        }
      }
    });
  }
};
const dismissOverlay = (doc, data, role, overlayTag, id) => {
  const overlay = getOverlay(doc, overlayTag, id);
  if (!overlay) {
    return Promise.reject('overlay does not exist');
  }
  return overlay.dismiss(data, role);
};
const getOverlays = (doc, selector) => {
  if (selector === undefined) {
    selector = 'ion-alert,ion-action-sheet,ion-loading,ion-modal,ion-picker,ion-popover,ion-toast';
  }
  return Array.from(doc.querySelectorAll(selector))
    .filter(c => c.overlayIndex > 0);
};
const getOverlay = (doc, overlayTag, id) => {
  const overlays = getOverlays(doc, overlayTag);
  return (id === undefined)
    ? overlays[overlays.length - 1]
    : overlays.find(o => o.id === id);
};
/**
 * When an overlay is presented, the main
 * focus is the overlay not the page content.
 * We need to remove the page content from the
 * accessibility tree otherwise when
 * users use "read screen from top" gestures with
 * TalkBack and VoiceOver, the screen reader will begin
 * to read the content underneath the overlay.
 *
 * We need a container where all page components
 * exist that is separate from where the overlays
 * are added in the DOM. For most apps, this element
 * is the top most ion-router-outlet. In the event
 * that devs are not using a router,
 * they will need to add the "ion-view-container-root"
 * id to the element that contains all of their views.
 *
 * TODO: If Framework supports having multiple top
 * level router outlets we would need to update this.
 * Example: One outlet for side menu and one outlet
 * for main content.
 */
const setRootAriaHidden = (hidden = false) => {
  const root = getAppRoot(document);
  const viewContainer = root.querySelector('ion-router-outlet, ion-nav, #ion-view-container-root');
  if (!viewContainer) {
    return;
  }
  if (hidden) {
    viewContainer.setAttribute('aria-hidden', 'true');
  }
  else {
    viewContainer.removeAttribute('aria-hidden');
  }
};
const present = async (overlay, name, iosEnterAnimation, mdEnterAnimation, opts) => {
  if (overlay.presented) {
    return;
  }
  setRootAriaHidden(true);
  overlay.presented = true;
  overlay.willPresent.emit();
  const mode = (0,_ionic_global_63a97a32_js__WEBPACK_IMPORTED_MODULE_0__.b)(overlay);
  // get the user's animation fn if one was provided
  const animationBuilder = (overlay.enterAnimation)
    ? overlay.enterAnimation
    : _ionic_global_63a97a32_js__WEBPACK_IMPORTED_MODULE_0__.c.get(name, mode === 'ios' ? iosEnterAnimation : mdEnterAnimation);
  const completed = await overlayAnimation(overlay, animationBuilder, overlay.el, opts);
  if (completed) {
    overlay.didPresent.emit();
  }
  /**
   * When an overlay that steals focus
   * is dismissed, focus should be returned
   * to the element that was focused
   * prior to the overlay opening. Toast
   * does not steal focus and is excluded
   * from returning focus as a result.
   */
  if (overlay.el.tagName !== 'ION-TOAST') {
    focusPreviousElementOnDismiss(overlay.el);
  }
  if (overlay.keyboardClose) {
    overlay.el.focus();
  }
};
/**
 * When an overlay component is dismissed,
 * focus should be returned to the element
 * that presented the overlay. Otherwise
 * focus will be set on the body which
 * means that people using screen readers
 * or tabbing will need to re-navigate
 * to where they were before they
 * opened the overlay.
 */
const focusPreviousElementOnDismiss = async (overlayEl) => {
  let previousElement = document.activeElement;
  if (!previousElement) {
    return;
  }
  const shadowRoot = previousElement && previousElement.shadowRoot;
  if (shadowRoot) {
    // If there are no inner focusable elements, just focus the host element.
    previousElement = shadowRoot.querySelector(innerFocusableQueryString) || previousElement;
  }
  await overlayEl.onDidDismiss();
  previousElement.focus();
};
const dismiss = async (overlay, data, role, name, iosLeaveAnimation, mdLeaveAnimation, opts) => {
  if (!overlay.presented) {
    return false;
  }
  setRootAriaHidden(false);
  overlay.presented = false;
  try {
    // Overlay contents should not be clickable during dismiss
    overlay.el.style.setProperty('pointer-events', 'none');
    overlay.willDismiss.emit({ data, role });
    const mode = (0,_ionic_global_63a97a32_js__WEBPACK_IMPORTED_MODULE_0__.b)(overlay);
    const animationBuilder = (overlay.leaveAnimation)
      ? overlay.leaveAnimation
      : _ionic_global_63a97a32_js__WEBPACK_IMPORTED_MODULE_0__.c.get(name, mode === 'ios' ? iosLeaveAnimation : mdLeaveAnimation);
    // If dismissed via gesture, no need to play leaving animation again
    if (role !== 'gesture') {
      await overlayAnimation(overlay, animationBuilder, overlay.el, opts);
    }
    overlay.didDismiss.emit({ data, role });
    activeAnimations.delete(overlay);
  }
  catch (err) {
    console.error(err);
  }
  overlay.el.remove();
  return true;
};
const getAppRoot = (doc) => {
  return doc.querySelector('ion-app') || doc.body;
};
const overlayAnimation = async (overlay, animationBuilder, baseEl, opts) => {
  // Make overlay visible in case it's hidden
  baseEl.classList.remove('overlay-hidden');
  const aniRoot = baseEl.shadowRoot || overlay.el;
  const animation = animationBuilder(aniRoot, opts);
  if (!overlay.animated || !_ionic_global_63a97a32_js__WEBPACK_IMPORTED_MODULE_0__.c.getBoolean('animated', true)) {
    animation.duration(0);
  }
  if (overlay.keyboardClose) {
    animation.beforeAddWrite(() => {
      const activeElement = baseEl.ownerDocument.activeElement;
      if (activeElement && activeElement.matches('input, ion-input, ion-textarea')) {
        activeElement.blur();
      }
    });
  }
  const activeAni = activeAnimations.get(overlay) || [];
  activeAnimations.set(overlay, [...activeAni, animation]);
  await animation.play();
  return true;
};
const eventMethod = (element, eventName) => {
  let resolve;
  const promise = new Promise(r => resolve = r);
  onceEvent(element, eventName, (event) => {
    resolve(event.detail);
  });
  return promise;
};
const onceEvent = (element, eventName, callback) => {
  const handler = (ev) => {
    (0,_helpers_dd7e4b7b_js__WEBPACK_IMPORTED_MODULE_2__.b)(element, eventName, handler);
    callback(ev);
  };
  (0,_helpers_dd7e4b7b_js__WEBPACK_IMPORTED_MODULE_2__.a)(element, eventName, handler);
};
const isCancel = (role) => {
  return role === 'cancel' || role === BACKDROP;
};
const defaultGate = (h) => h();
const safeCall = (handler, arg) => {
  if (typeof handler === 'function') {
    const jmp = _ionic_global_63a97a32_js__WEBPACK_IMPORTED_MODULE_0__.c.get('_zoneGate', defaultGate);
    return jmp(() => {
      try {
        return handler(arg);
      }
      catch (e) {
        console.error(e);
      }
    });
  }
  return undefined;
};
const BACKDROP = 'backdrop';




/***/ }),

/***/ 1458:
/*!**************************************************************!*\
  !*** ./node_modules/@ionic/core/dist/esm/polyfills/index.js ***!
  \**************************************************************/
/***/ ((__unused_webpack_module, __webpack_exports__, __webpack_require__) => {

"use strict";
__webpack_require__.r(__webpack_exports__);
/* harmony export */ __webpack_require__.d(__webpack_exports__, {
/* harmony export */   "applyPolyfills": () => (/* binding */ applyPolyfills)
/* harmony export */ });
function applyPolyfills() {
  var promises = [];
  if (typeof window !== 'undefined') {
    var win = window;

    if (!win.customElements ||
      (win.Element && (!win.Element.prototype.closest || !win.Element.prototype.matches || !win.Element.prototype.remove || !win.Element.prototype.getRootNode))) {
      promises.push(__webpack_require__.e(/*! import() | polyfills-dom */ "polyfills-dom").then(__webpack_require__.t.bind(__webpack_require__, /*! ./dom.js */ 5141, 23)));
    }

    var checkIfURLIsSupported = function() {
      try {
        var u = new URL('b', 'http://a');
        u.pathname = 'c%20d';
        return (u.href === 'http://a/c%20d') && u.searchParams;
      } catch (e) {
        return false;
      }
    };

    if (
      'function' !== typeof Object.assign || !Object.entries ||
      !Array.prototype.find || !Array.prototype.includes ||
      !String.prototype.startsWith || !String.prototype.endsWith ||
      (win.NodeList && !win.NodeList.prototype.forEach) ||
      !win.fetch ||
      !checkIfURLIsSupported() ||
      typeof WeakMap == 'undefined'
    ) {
      promises.push(__webpack_require__.e(/*! import() | polyfills-core-js */ "polyfills-core-js").then(__webpack_require__.t.bind(__webpack_require__, /*! ./core-js.js */ 7656, 23)));
    }
  }
  return Promise.all(promises);
}


/***/ }),

/***/ 2458:
/*!*********************************************************!*\
  !*** ./node_modules/@ionic/core/loader/index.es2017.js ***!
  \*********************************************************/
/***/ ((__unused_webpack_module, __webpack_exports__, __webpack_require__) => {

"use strict";
__webpack_require__.r(__webpack_exports__);
/* harmony export */ __webpack_require__.d(__webpack_exports__, {
/* harmony export */   "applyPolyfills": () => (/* reexport safe */ _dist_esm_polyfills_index_js__WEBPACK_IMPORTED_MODULE_0__.applyPolyfills),
/* harmony export */   "defineCustomElements": () => (/* reexport safe */ _dist_esm_loader_js__WEBPACK_IMPORTED_MODULE_1__.defineCustomElements)
/* harmony export */ });
/* harmony import */ var _dist_esm_polyfills_index_js__WEBPACK_IMPORTED_MODULE_0__ = __webpack_require__(/*! ../dist/esm/polyfills/index.js */ 1458);
/* harmony import */ var _dist_esm_loader_js__WEBPACK_IMPORTED_MODULE_1__ = __webpack_require__(/*! ../dist/esm/loader.js */ 7706);





/***/ }),

/***/ 5485:
/*!********************************************************************!*\
  !*** ./node_modules/@ionic/pwa-elements/dist/esm/core-f86805ad.js ***!
  \********************************************************************/
/***/ ((__unused_webpack_module, __webpack_exports__, __webpack_require__) => {

"use strict";
__webpack_require__.r(__webpack_exports__);
/* harmony export */ __webpack_require__.d(__webpack_exports__, {
/* harmony export */   "H": () => (/* binding */ Host),
/* harmony export */   "a": () => (/* binding */ patchEsm),
/* harmony export */   "b": () => (/* binding */ bootstrapLazy),
/* harmony export */   "c": () => (/* binding */ createEvent),
/* harmony export */   "d": () => (/* binding */ getContext),
/* harmony export */   "g": () => (/* binding */ getElement),
/* harmony export */   "h": () => (/* binding */ h),
/* harmony export */   "p": () => (/* binding */ patchBrowser),
/* harmony export */   "r": () => (/* binding */ registerInstance)
/* harmony export */ });
const NAMESPACE = 'ionicpwaelements';

let queueCongestion = 0;
let queuePending = false;
let scopeId;
let hostTagName;
let isSvgMode = false;
const win = typeof window !== 'undefined' ? window : {};
const CSS =  win.CSS ;
const doc = win.document || { head: {} };
const plt = {
    $flags$: 0,
    $resourcesUrl$: '',
    jmp: (h) => h(),
    raf: (h) => requestAnimationFrame(h),
    ael: (el, eventName, listener, opts) => el.addEventListener(eventName, listener, opts),
    rel: (el, eventName, listener, opts) => el.removeEventListener(eventName, listener, opts),
};
const supportsShadowDom =   /*@__PURE__*/ (() => (doc.head.attachShadow + '').indexOf('[native') > -1)()  ;
const promiseResolve = (v) => Promise.resolve(v);
const supportsConstructibleStylesheets =  /*@__PURE__*/ (() => {
    try {
        new CSSStyleSheet();
        return true;
    }
    catch (e) { }
    return false;
})() ;
const Context = {};
const hostRefs = new WeakMap();
const getHostRef = (ref) => hostRefs.get(ref);
const registerInstance = (lazyInstance, hostRef) => hostRefs.set(hostRef.$lazyInstance$ = lazyInstance, hostRef);
const registerHost = (elm) => {
    const hostRef = {
        $flags$: 0,
        $hostElement$: elm,
        $instanceValues$: new Map()
    };
    {
        hostRef.$onInstancePromise$ = new Promise(r => hostRef.$onInstanceResolve$ = r);
    }
    {
        hostRef.$onReadyPromise$ = new Promise(r => hostRef.$onReadyResolve$ = r);
        elm['s-p'] = [];
        elm['s-rc'] = [];
    }
    return hostRefs.set(elm, hostRef);
};
const isMemberInElement = (elm, memberName) => memberName in elm;
const consoleError = (e) => console.error(e);
const moduleCache = /*@__PURE__*/ new Map();
const loadModule = (cmpMeta, hostRef, hmrVersionId) => {
    // loadModuleImport
    const exportName = cmpMeta.$tagName$.replace(/-/g, '_');
    const bundleId = ( cmpMeta.$lazyBundleIds$);
    const module =  moduleCache.get(bundleId) ;
    if (module) {
        return module[exportName];
    }
    return __webpack_require__(5899)(`./${bundleId}.entry.js`).then(importedModule => {
        {
            moduleCache.set(bundleId, importedModule);
        }
        return importedModule[exportName];
    }, consoleError);
};
const styles = new Map();
const queueDomReads = [];
const queueDomWrites = [];
const queueDomWritesLow = [];
const queueTask = (queue, write) => (cb) => {
    queue.push(cb);
    if (!queuePending) {
        queuePending = true;
        if (write && plt.$flags$ & 4 /* queueSync */) {
            nextTick(flush);
        }
        else {
            plt.raf(flush);
        }
    }
};
const consume = (queue) => {
    for (let i = 0; i < queue.length; i++) {
        try {
            queue[i](performance.now());
        }
        catch (e) {
            consoleError(e);
        }
    }
    queue.length = 0;
};
const consumeTimeout = (queue, timeout) => {
    let i = 0;
    let ts = 0;
    while (i < queue.length && (ts = performance.now()) < timeout) {
        try {
            queue[i++](ts);
        }
        catch (e) {
            consoleError(e);
        }
    }
    if (i === queue.length) {
        queue.length = 0;
    }
    else if (i !== 0) {
        queue.splice(0, i);
    }
};
const flush = () => {
    queueCongestion++;
    // always force a bunch of medium callbacks to run, but still have
    // a throttle on how many can run in a certain time
    // DOM READS!!!
    consume(queueDomReads);
    const timeout = (plt.$flags$ & 6 /* queueMask */) === 2 /* appLoaded */
        ? performance.now() + (10 * Math.ceil(queueCongestion * (1.0 / 22.0)))
        : Infinity;
    // DOM WRITES!!!
    consumeTimeout(queueDomWrites, timeout);
    consumeTimeout(queueDomWritesLow, timeout);
    if (queueDomWrites.length > 0) {
        queueDomWritesLow.push(...queueDomWrites);
        queueDomWrites.length = 0;
    }
    if (queuePending = ((queueDomReads.length + queueDomWrites.length + queueDomWritesLow.length) > 0)) {
        // still more to do yet, but we've run out of time
        // let's let this thing cool off and try again in the next tick
        plt.raf(flush);
    }
    else {
        queueCongestion = 0;
    }
};
const nextTick = /*@__PURE__*/ (cb) => promiseResolve().then(cb);
const readTask = /*@__PURE__*/ queueTask(queueDomReads, false);
const writeTask = /*@__PURE__*/ queueTask(queueDomWrites, true);
/**
 * Default style mode id
 */
/**
 * Reusable empty obj/array
 * Don't add values to these!!
 */
const EMPTY_OBJ = {};
/**
 * Namespaces
 */
const SVG_NS = 'http://www.w3.org/2000/svg';
const HTML_NS = 'http://www.w3.org/1999/xhtml';
const isDef = (v) => v != null;
const isComplexType = (o) => {
    // https://jsperf.com/typeof-fn-object/5
    o = typeof o;
    return o === 'object' || o === 'function';
};
const getDynamicImportFunction = (namespace) => `__sc_import_${namespace.replace(/\s|-/g, '_')}`;
const patchEsm = () => {
    // @ts-ignore
    if ( !(CSS && CSS.supports && CSS.supports('color', 'var(--c)'))) {
        // @ts-ignore
        return __webpack_require__.e(/*! import() | stencil-polyfills-css-shim */ "stencil-polyfills-css-shim").then(__webpack_require__.t.bind(__webpack_require__, /*! ./css-shim-8775d9ad-556f0cc2.js */ 6065, 23)).then(() => {
            if (plt.$cssShim$ = win.__cssshim) {
                return plt.$cssShim$.i();
            }
            else {
                // for better minification
                return 0;
            }
        });
    }
    return promiseResolve();
};
const patchBrowser = () => {
    {
        // shim css vars
        plt.$cssShim$ = win.__cssshim;
    }
    // @ts-ignore
    const scriptElm = 
        Array.from(doc.querySelectorAll('script')).find(s => (new RegExp(`\/${NAMESPACE}(\\.esm)?\\.js($|\\?|#)`).test(s.src) ||
            s.getAttribute('data-stencil-namespace') === NAMESPACE)) ;
    const opts =  {};
    if ( 'onbeforeload' in scriptElm && !history.scrollRestoration /* IS_ESM_BUILD */) {
        // Safari < v11 support: This IF is true if it's Safari below v11.
        // This fn cannot use async/await since Safari didn't support it until v11,
        // however, Safari 10 did support modules. Safari 10 also didn't support "nomodule",
        // so both the ESM file and nomodule file would get downloaded. Only Safari
        // has 'onbeforeload' in the script, and "history.scrollRestoration" was added
        // to Safari in v11. Return a noop then() so the async/await ESM code doesn't continue.
        // IS_ESM_BUILD is replaced at build time so this check doesn't happen in systemjs builds.
        return { then() { } };
    }
    {
        opts.resourcesUrl = new URL('.', new URL(scriptElm.getAttribute('data-resources-url') || scriptElm.src, win.location.href)).href;
        patchDynamicImport(opts.resourcesUrl, scriptElm);
        if ( !win.customElements) {
            // module support, but no custom elements support (Old Edge)
            // @ts-ignore
            return __webpack_require__.e(/*! import() | stencil-polyfills-dom */ "stencil-polyfills-dom").then(__webpack_require__.t.bind(__webpack_require__, /*! ./dom-76cc7c7d-0a082895.js */ 5738, 23)).then(() => opts);
        }
    }
    return promiseResolve(opts);
};
const patchDynamicImport = (base, orgScriptElm) => {
    const importFunctionName = getDynamicImportFunction(NAMESPACE);
    try {
        // test if this browser supports dynamic imports
        // There is a caching issue in V8, that breaks using import() in Function
        // By generating a random string, we can workaround it
        // Check https://bugs.chromium.org/p/v8/issues/detail?id=9558 for more info
        win[importFunctionName] = new Function('w', `return import(w);//${Math.random()}`);
    }
    catch (e) {
        // this shim is specifically for browsers that do support "esm" imports
        // however, they do NOT support "dynamic" imports
        // basically this code is for old Edge, v18 and below
        const moduleMap = new Map();
        win[importFunctionName] = (src) => {
            const url = new URL(src, base).href;
            let mod = moduleMap.get(url);
            if (!mod) {
                const script = doc.createElement('script');
                script.type = 'module';
                script.crossOrigin = orgScriptElm.crossOrigin;
                script.src = URL.createObjectURL(new Blob([`import * as m from '${url}'; window.${importFunctionName}.m = m;`], { type: 'application/javascript' }));
                mod = new Promise(resolve => {
                    script.onload = () => {
                        resolve(win[importFunctionName].m);
                        script.remove();
                    };
                });
                moduleMap.set(url, mod);
                doc.head.appendChild(script);
            }
            return mod;
        };
    }
};
const HYDRATED_CSS = '{visibility:hidden}.hydrated{visibility:inherit}';
const createTime = (fnName, tagName = '') => {
    {
        return () => { return; };
    }
};
const uniqueTime = (key, measureText) => {
    {
        return () => { return; };
    }
};
const rootAppliedStyles = new WeakMap();
const registerStyle = (scopeId, cssText, allowCS) => {
    let style = styles.get(scopeId);
    if (supportsConstructibleStylesheets && allowCS) {
        style = (style || new CSSStyleSheet());
        style.replace(cssText);
    }
    else {
        style = cssText;
    }
    styles.set(scopeId, style);
};
const addStyle = (styleContainerNode, cmpMeta, mode, hostElm) => {
    let scopeId =  getScopeId(cmpMeta.$tagName$);
    let style = styles.get(scopeId);
    // if an element is NOT connected then getRootNode() will return the wrong root node
    // so the fallback is to always use the document for the root node in those cases
    styleContainerNode = (styleContainerNode.nodeType === 11 /* DocumentFragment */ ? styleContainerNode : doc);
    if (style) {
        if (typeof style === 'string') {
            styleContainerNode = styleContainerNode.head || styleContainerNode;
            let appliedStyles = rootAppliedStyles.get(styleContainerNode);
            let styleElm;
            if (!appliedStyles) {
                rootAppliedStyles.set(styleContainerNode, appliedStyles = new Set());
            }
            if (!appliedStyles.has(scopeId)) {
                {
                    if ( plt.$cssShim$) {
                        styleElm = plt.$cssShim$.createHostStyle(hostElm, scopeId, style, !!(cmpMeta.$flags$ & 10 /* needsScopedEncapsulation */));
                        const newScopeId = styleElm['s-sc'];
                        if (newScopeId) {
                            scopeId = newScopeId;
                            // we don't want to add this styleID to the appliedStyles Set
                            // since the cssVarShim might need to apply several different
                            // stylesheets for the same component
                            appliedStyles = null;
                        }
                    }
                    else {
                        styleElm = doc.createElement('style');
                        styleElm.innerHTML = style;
                    }
                    styleContainerNode.insertBefore(styleElm, styleContainerNode.querySelector('link'));
                }
                if (appliedStyles) {
                    appliedStyles.add(scopeId);
                }
            }
        }
        else if ( !styleContainerNode.adoptedStyleSheets.includes(style)) {
            styleContainerNode.adoptedStyleSheets = [...styleContainerNode.adoptedStyleSheets, style];
        }
    }
    return scopeId;
};
const attachStyles = (elm, cmpMeta, mode) => {
    const endAttachStyles = createTime('attachStyles', cmpMeta.$tagName$);
    const scopeId = addStyle(( supportsShadowDom && elm.shadowRoot)
        ? elm.shadowRoot
        : elm.getRootNode(), cmpMeta, mode, elm);
    if ( cmpMeta.$flags$ & 10 /* needsScopedEncapsulation */) {
        // only required when we're NOT using native shadow dom (slot)
        // or this browser doesn't support native shadow dom
        // and this host element was NOT created with SSR
        // let's pick out the inner content for slot projection
        // create a node to represent where the original
        // content was first placed, which is useful later on
        // DOM WRITE!!
        elm['s-sc'] = scopeId;
        elm.classList.add(scopeId + '-h');
    }
    endAttachStyles();
};
const getScopeId = (tagName, mode) => 'sc-' + ( tagName);
/**
 * Production h() function based on Preact by
 * Jason Miller (@developit)
 * Licensed under the MIT License
 * https://github.com/developit/preact/blob/master/LICENSE
 *
 * Modified for Stencil's compiler and vdom
 */
// const stack: any[] = [];
// export function h(nodeName: string | d.FunctionalComponent, vnodeData: d.PropsType, child?: d.ChildType): d.VNode;
// export function h(nodeName: string | d.FunctionalComponent, vnodeData: d.PropsType, ...children: d.ChildType[]): d.VNode;
const h = (nodeName, vnodeData, ...children) => {
    let child = null;
    let simple = false;
    let lastSimple = false;
    let vNodeChildren = [];
    const walk = (c) => {
        for (let i = 0; i < c.length; i++) {
            child = c[i];
            if (Array.isArray(child)) {
                walk(child);
            }
            else if (child != null && typeof child !== 'boolean') {
                if (simple = typeof nodeName !== 'function' && !isComplexType(child)) {
                    child = String(child);
                }
                if (simple && lastSimple) {
                    // If the previous child was simple (string), we merge both
                    vNodeChildren[vNodeChildren.length - 1].$text$ += child;
                }
                else {
                    // Append a new vNode, if it's text, we create a text vNode
                    vNodeChildren.push(simple ? newVNode(null, child) : child);
                }
                lastSimple = simple;
            }
        }
    };
    walk(children);
    if (vnodeData) {
        {
            const classData = vnodeData.className || vnodeData.class;
            if (classData) {
                vnodeData.class = typeof classData !== 'object'
                    ? classData
                    : Object.keys(classData)
                        .filter(k => classData[k])
                        .join(' ');
            }
        }
    }
    const vnode = newVNode(nodeName, null);
    vnode.$attrs$ = vnodeData;
    if (vNodeChildren.length > 0) {
        vnode.$children$ = vNodeChildren;
    }
    return vnode;
};
const newVNode = (tag, text) => {
    const vnode = {
        $flags$: 0,
        $tag$: tag,
        $text$: text,
        $elm$: null,
        $children$: null
    };
    {
        vnode.$attrs$ = null;
    }
    return vnode;
};
const Host = {};
const isHost = (node) => node && node.$tag$ === Host;
/**
 * Production setAccessor() function based on Preact by
 * Jason Miller (@developit)
 * Licensed under the MIT License
 * https://github.com/developit/preact/blob/master/LICENSE
 *
 * Modified for Stencil's compiler and vdom
 */
const setAccessor = (elm, memberName, oldValue, newValue, isSvg, flags) => {
    if (oldValue !== newValue) {
        let isProp = isMemberInElement(elm, memberName);
        let ln = memberName.toLowerCase();
        if ( memberName === 'class') {
            const classList = elm.classList;
            const oldClasses = parseClassList(oldValue);
            const newClasses = parseClassList(newValue);
            classList.remove(...oldClasses.filter(c => c && !newClasses.includes(c)));
            classList.add(...newClasses.filter(c => c && !oldClasses.includes(c)));
        }
        else if ( memberName === 'style') {
            // update style attribute, css properties and values
            {
                for (const prop in oldValue) {
                    if (!newValue || newValue[prop] == null) {
                        if ( prop.includes('-')) {
                            elm.style.removeProperty(prop);
                        }
                        else {
                            elm.style[prop] = '';
                        }
                    }
                }
            }
            for (const prop in newValue) {
                if (!oldValue || newValue[prop] !== oldValue[prop]) {
                    if ( prop.includes('-')) {
                        elm.style.setProperty(prop, newValue[prop]);
                    }
                    else {
                        elm.style[prop] = newValue[prop];
                    }
                }
            }
        }
        else if ( memberName === 'ref') {
            // minifier will clean this up
            if (newValue) {
                newValue(elm);
            }
        }
        else if (
            ( !isProp
                ) &&
            memberName[0] === 'o' && memberName[1] === 'n') {
            // Event Handlers
            // so if the member name starts with "on" and the 3rd characters is
            // a capital letter, and it's not already a member on the element,
            // then we're assuming it's an event listener
            if (memberName[2] === '-') {
                // on- prefixed events
                // allows to be explicit about the dom event to listen without any magic
                // under the hood:
                // <my-cmp on-click> // listens for "click"
                // <my-cmp on-Click> // listens for "Click"
                // <my-cmp on-ionChange> // listens for "ionChange"
                // <my-cmp on-EVENTS> // listens for "EVENTS"
                memberName = memberName.slice(3);
            }
            else if (isMemberInElement(win, ln)) {
                // standard event
                // the JSX attribute could have been "onMouseOver" and the
                // member name "onmouseover" is on the window's prototype
                // so let's add the listener "mouseover", which is all lowercased
                memberName = ln.slice(2);
            }
            else {
                // custom event
                // the JSX attribute could have been "onMyCustomEvent"
                // so let's trim off the "on" prefix and lowercase the first character
                // and add the listener "myCustomEvent"
                // except for the first character, we keep the event name case
                memberName = ln[2] + memberName.slice(3);
            }
            if (oldValue) {
                plt.rel(elm, memberName, oldValue, false);
            }
            if (newValue) {
                plt.ael(elm, memberName, newValue, false);
            }
        }
        else {
            // Set property if it exists and it's not a SVG
            const isComplex = isComplexType(newValue);
            if ((isProp || (isComplex && newValue !== null)) && !isSvg) {
                try {
                    if (!elm.tagName.includes('-')) {
                        let n = newValue == null ? '' : newValue;
                        // Workaround for Safari, moving the <input> caret when re-assigning the same valued
                        if (memberName === 'list') {
                            isProp = false;
                            // tslint:disable-next-line: triple-equals
                        }
                        else if (oldValue == null || elm[memberName] != n) {
                            elm[memberName] = n;
                        }
                    }
                    else {
                        elm[memberName] = newValue;
                    }
                }
                catch (e) { }
            }
            if (newValue == null || newValue === false) {
                {
                    elm.removeAttribute(memberName);
                }
            }
            else if ((!isProp || (flags & 4 /* isHost */) || isSvg) && !isComplex) {
                newValue = newValue === true ? '' : newValue;
                {
                    elm.setAttribute(memberName, newValue);
                }
            }
        }
    }
};
const parseClassListRegex = /\s/;
const parseClassList = (value) => (!value) ? [] : value.split(parseClassListRegex);
const updateElement = (oldVnode, newVnode, isSvgMode, memberName) => {
    // if the element passed in is a shadow root, which is a document fragment
    // then we want to be adding attrs/props to the shadow root's "host" element
    // if it's not a shadow root, then we add attrs/props to the same element
    const elm = (newVnode.$elm$.nodeType === 11 /* DocumentFragment */ && newVnode.$elm$.host) ? newVnode.$elm$.host : newVnode.$elm$;
    const oldVnodeAttrs = (oldVnode && oldVnode.$attrs$) || EMPTY_OBJ;
    const newVnodeAttrs = newVnode.$attrs$ || EMPTY_OBJ;
    {
        // remove attributes no longer present on the vnode by setting them to undefined
        for (memberName in oldVnodeAttrs) {
            if (!(memberName in newVnodeAttrs)) {
                setAccessor(elm, memberName, oldVnodeAttrs[memberName], undefined, isSvgMode, newVnode.$flags$);
            }
        }
    }
    // add new & update changed attributes
    for (memberName in newVnodeAttrs) {
        setAccessor(elm, memberName, oldVnodeAttrs[memberName], newVnodeAttrs[memberName], isSvgMode, newVnode.$flags$);
    }
};
const createElm = (oldParentVNode, newParentVNode, childIndex, parentElm) => {
    // tslint:disable-next-line: prefer-const
    let newVNode = newParentVNode.$children$[childIndex];
    let i = 0;
    let elm;
    let childNode;
    if ( newVNode.$text$ !== null) {
        // create text node
        elm = newVNode.$elm$ = doc.createTextNode(newVNode.$text$);
    }
    else {
        if ( !isSvgMode) {
            isSvgMode = newVNode.$tag$ === 'svg';
        }
        // create element
        elm = newVNode.$elm$ = ( doc.createElementNS(isSvgMode ? SVG_NS : HTML_NS,  newVNode.$tag$)
            );
        if ( isSvgMode && newVNode.$tag$ === 'foreignObject') {
            isSvgMode = false;
        }
        // add css classes, attrs, props, listeners, etc.
        {
            updateElement(null, newVNode, isSvgMode);
        }
        if ( isDef(scopeId) && elm['s-si'] !== scopeId) {
            // if there is a scopeId and this is the initial render
            // then let's add the scopeId as a css class
            elm.classList.add((elm['s-si'] = scopeId));
        }
        if (newVNode.$children$) {
            for (i = 0; i < newVNode.$children$.length; ++i) {
                // create the node
                childNode = createElm(oldParentVNode, newVNode, i);
                // return node could have been null
                if (childNode) {
                    // append our new node
                    elm.appendChild(childNode);
                }
            }
        }
        {
            if (newVNode.$tag$ === 'svg') {
                // Only reset the SVG context when we're exiting <svg> element
                isSvgMode = false;
            }
            else if (elm.tagName === 'foreignObject') {
                // Reenter SVG context when we're exiting <foreignObject> element
                isSvgMode = true;
            }
        }
    }
    return elm;
};
const addVnodes = (parentElm, before, parentVNode, vnodes, startIdx, endIdx) => {
    let containerElm = ( parentElm);
    let childNode;
    if ( containerElm.shadowRoot && containerElm.tagName === hostTagName) {
        containerElm = containerElm.shadowRoot;
    }
    for (; startIdx <= endIdx; ++startIdx) {
        if (vnodes[startIdx]) {
            childNode = createElm(null, parentVNode, startIdx);
            if (childNode) {
                vnodes[startIdx].$elm$ = childNode;
                containerElm.insertBefore(childNode,  before);
            }
        }
    }
};
const removeVnodes = (vnodes, startIdx, endIdx, vnode, elm) => {
    for (; startIdx <= endIdx; ++startIdx) {
        if (vnode = vnodes[startIdx]) {
            elm = vnode.$elm$;
            callNodeRefs(vnode);
            // remove the vnode's element from the dom
            elm.remove();
        }
    }
};
const updateChildren = (parentElm, oldCh, newVNode, newCh) => {
    let oldStartIdx = 0;
    let newStartIdx = 0;
    let oldEndIdx = oldCh.length - 1;
    let oldStartVnode = oldCh[0];
    let oldEndVnode = oldCh[oldEndIdx];
    let newEndIdx = newCh.length - 1;
    let newStartVnode = newCh[0];
    let newEndVnode = newCh[newEndIdx];
    let node;
    while (oldStartIdx <= oldEndIdx && newStartIdx <= newEndIdx) {
        if (oldStartVnode == null) {
            // Vnode might have been moved left
            oldStartVnode = oldCh[++oldStartIdx];
        }
        else if (oldEndVnode == null) {
            oldEndVnode = oldCh[--oldEndIdx];
        }
        else if (newStartVnode == null) {
            newStartVnode = newCh[++newStartIdx];
        }
        else if (newEndVnode == null) {
            newEndVnode = newCh[--newEndIdx];
        }
        else if (isSameVnode(oldStartVnode, newStartVnode)) {
            patch(oldStartVnode, newStartVnode);
            oldStartVnode = oldCh[++oldStartIdx];
            newStartVnode = newCh[++newStartIdx];
        }
        else if (isSameVnode(oldEndVnode, newEndVnode)) {
            patch(oldEndVnode, newEndVnode);
            oldEndVnode = oldCh[--oldEndIdx];
            newEndVnode = newCh[--newEndIdx];
        }
        else if (isSameVnode(oldStartVnode, newEndVnode)) {
            patch(oldStartVnode, newEndVnode);
            parentElm.insertBefore(oldStartVnode.$elm$, oldEndVnode.$elm$.nextSibling);
            oldStartVnode = oldCh[++oldStartIdx];
            newEndVnode = newCh[--newEndIdx];
        }
        else if (isSameVnode(oldEndVnode, newStartVnode)) {
            patch(oldEndVnode, newStartVnode);
            parentElm.insertBefore(oldEndVnode.$elm$, oldStartVnode.$elm$);
            oldEndVnode = oldCh[--oldEndIdx];
            newStartVnode = newCh[++newStartIdx];
        }
        else {
            {
                // new element
                node = createElm(oldCh && oldCh[newStartIdx], newVNode, newStartIdx);
                newStartVnode = newCh[++newStartIdx];
            }
            if (node) {
                {
                    oldStartVnode.$elm$.parentNode.insertBefore(node, oldStartVnode.$elm$);
                }
            }
        }
    }
    if (oldStartIdx > oldEndIdx) {
        addVnodes(parentElm, (newCh[newEndIdx + 1] == null ? null : newCh[newEndIdx + 1].$elm$), newVNode, newCh, newStartIdx, newEndIdx);
    }
    else if ( newStartIdx > newEndIdx) {
        removeVnodes(oldCh, oldStartIdx, oldEndIdx);
    }
};
const isSameVnode = (vnode1, vnode2) => {
    // compare if two vnode to see if they're "technically" the same
    // need to have the same element tag, and same key to be the same
    if (vnode1.$tag$ === vnode2.$tag$) {
        return true;
    }
    return false;
};
const patch = (oldVNode, newVNode) => {
    const elm = newVNode.$elm$ = oldVNode.$elm$;
    const oldChildren = oldVNode.$children$;
    const newChildren = newVNode.$children$;
    const tag = newVNode.$tag$;
    const text = newVNode.$text$;
    if ( text === null) {
        {
            // test if we're rendering an svg element, or still rendering nodes inside of one
            // only add this to the when the compiler sees we're using an svg somewhere
            isSvgMode = (tag === 'svg')
                ? true
                : (tag === 'foreignObject')
                    ? false
                    : isSvgMode;
        }
        // element node
        {
            {
                // either this is the first render of an element OR it's an update
                // AND we already know it's possible it could have changed
                // this updates the element's css classes, attrs, props, listeners, etc.
                updateElement(oldVNode, newVNode, isSvgMode);
            }
        }
        if ( oldChildren !== null && newChildren !== null) {
            // looks like there's child vnodes for both the old and new vnodes
            updateChildren(elm, oldChildren, newVNode, newChildren);
        }
        else if (newChildren !== null) {
            // no old child vnodes, but there are new child vnodes to add
            if ( oldVNode.$text$ !== null) {
                // the old vnode was text, so be sure to clear it out
                elm.textContent = '';
            }
            // add the new vnode children
            addVnodes(elm, null, newVNode, newChildren, 0, newChildren.length - 1);
        }
        else if ( oldChildren !== null) {
            // no new child vnodes, but there are old child vnodes to remove
            removeVnodes(oldChildren, 0, oldChildren.length - 1);
        }
        if ( isSvgMode && tag === 'svg') {
            isSvgMode = false;
        }
    }
    else if ( oldVNode.$text$ !== text) {
        // update the text content for the text only vnode
        // and also only if the text is different than before
        elm.data = text;
    }
};
const callNodeRefs = (vNode) => {
    {
        vNode.$attrs$ && vNode.$attrs$.ref && vNode.$attrs$.ref(null);
        vNode.$children$ && vNode.$children$.forEach(callNodeRefs);
    }
};
const renderVdom = (hostElm, hostRef, cmpMeta, renderFnResults) => {
    hostTagName = hostElm.tagName;
    const oldVNode = hostRef.$vnode$ || newVNode(null, null);
    const rootVnode = isHost(renderFnResults)
        ? renderFnResults
        : h(null, null, renderFnResults);
    rootVnode.$tag$ = null;
    rootVnode.$flags$ |= 4 /* isHost */;
    hostRef.$vnode$ = rootVnode;
    rootVnode.$elm$ = oldVNode.$elm$ = ( hostElm.shadowRoot || hostElm );
    {
        scopeId = hostElm['s-sc'];
    }
    // synchronous patch
    patch(oldVNode, rootVnode);
};
const attachToAncestor = (hostRef, ancestorComponent) => {
    if ( ancestorComponent && !hostRef.$onRenderResolve$) {
        ancestorComponent['s-p'].push(new Promise(r => hostRef.$onRenderResolve$ = r));
    }
};
const scheduleUpdate = (elm, hostRef, cmpMeta, isInitialLoad) => {
    {
        hostRef.$flags$ |= 16 /* isQueuedForUpdate */;
    }
    if ( hostRef.$flags$ & 4 /* isWaitingForChildren */) {
        hostRef.$flags$ |= 512 /* needsRerender */;
        return;
    }
    const endSchedule = createTime('scheduleUpdate', cmpMeta.$tagName$);
    const ancestorComponent = hostRef.$ancestorComponent$;
    const instance =  hostRef.$lazyInstance$ ;
    const update = () => updateComponent(elm, hostRef, cmpMeta, instance, isInitialLoad);
    attachToAncestor(hostRef, ancestorComponent);
    let promise;
    if (isInitialLoad) {
        {
            hostRef.$flags$ |= 256 /* isListenReady */;
            if (hostRef.$queuedListeners$) {
                hostRef.$queuedListeners$.forEach(([methodName, event]) => safeCall(instance, methodName, event));
                hostRef.$queuedListeners$ = null;
            }
        }
    }
    endSchedule();
    // there is no ancestorc omponent or the ancestor component
    // has already fired off its lifecycle update then
    // fire off the initial update
    return then(promise,  () => writeTask(update)
        );
};
const updateComponent = (elm, hostRef, cmpMeta, instance, isInitialLoad) => {
    // updateComponent
    const endUpdate = createTime('update', cmpMeta.$tagName$);
    const rc = elm['s-rc'];
    if ( isInitialLoad) {
        // DOM WRITE!
        attachStyles(elm, cmpMeta, hostRef.$modeName$);
    }
    const endRender = createTime('render', cmpMeta.$tagName$);
    {
        {
            // looks like we've got child nodes to render into this host element
            // or we need to update the css class/attrs on the host element
            // DOM WRITE!
            renderVdom(elm, hostRef, cmpMeta, callRender(instance));
        }
    }
    if ( plt.$cssShim$) {
        plt.$cssShim$.updateHost(elm);
    }
    {
        hostRef.$flags$ &= ~16 /* isQueuedForUpdate */;
    }
    {
        hostRef.$flags$ |= 2 /* hasRendered */;
    }
    if ( rc) {
        // ok, so turns out there are some child host elements
        // waiting on this parent element to load
        // let's fire off all update callbacks waiting
        rc.forEach(cb => cb());
        elm['s-rc'] = undefined;
    }
    endRender();
    endUpdate();
    {
        const childrenPromises = elm['s-p'];
        const postUpdate = () => postUpdateComponent(elm, hostRef, cmpMeta);
        if (childrenPromises.length === 0) {
            postUpdate();
        }
        else {
            Promise.all(childrenPromises).then(postUpdate);
            hostRef.$flags$ |= 4 /* isWaitingForChildren */;
            childrenPromises.length = 0;
        }
    }
};
const callRender = (instance, elm) => {
    try {
        instance =  instance.render() ;
    }
    catch (e) {
        consoleError(e);
    }
    return instance;
};
const postUpdateComponent = (elm, hostRef, cmpMeta) => {
    const endPostUpdate = createTime('postUpdate', cmpMeta.$tagName$);
    const instance =  hostRef.$lazyInstance$ ;
    const ancestorComponent = hostRef.$ancestorComponent$;
    if (!(hostRef.$flags$ & 64 /* hasLoadedComponent */)) {
        hostRef.$flags$ |= 64 /* hasLoadedComponent */;
        {
            // DOM WRITE!
            addHydratedFlag(elm);
        }
        {
            safeCall(instance, 'componentDidLoad');
        }
        endPostUpdate();
        {
            hostRef.$onReadyResolve$(elm);
            if (!ancestorComponent) {
                appDidLoad();
            }
        }
    }
    else {
        endPostUpdate();
    }
    {
        hostRef.$onInstanceResolve$(elm);
    }
    // load events fire from bottom to top
    // the deepest elements load first then bubbles up
    {
        if (hostRef.$onRenderResolve$) {
            hostRef.$onRenderResolve$();
            hostRef.$onRenderResolve$ = undefined;
        }
        if (hostRef.$flags$ & 512 /* needsRerender */) {
            nextTick(() => scheduleUpdate(elm, hostRef, cmpMeta, false));
        }
        hostRef.$flags$ &= ~(4 /* isWaitingForChildren */ | 512 /* needsRerender */);
    }
    // ( •_•)
    // ( •_•)>⌐■-■
    // (⌐■_■)
};
const forceUpdate = (elm, cmpMeta) => {
    {
        const hostRef = getHostRef(elm);
        const isConnected = hostRef.$hostElement$.isConnected;
        if (isConnected && (hostRef.$flags$ & (2 /* hasRendered */ | 16 /* isQueuedForUpdate */)) === 2 /* hasRendered */) {
            scheduleUpdate(elm, hostRef, cmpMeta, false);
        }
        // Returns "true" when the forced update was successfully scheduled
        return isConnected;
    }
};
const appDidLoad = (who) => {
    // on appload
    // we have finish the first big initial render
    {
        addHydratedFlag(doc.documentElement);
    }
    {
        plt.$flags$ |= 2 /* appLoaded */;
    }
};
const safeCall = (instance, method, arg) => {
    if (instance && instance[method]) {
        try {
            return instance[method](arg);
        }
        catch (e) {
            consoleError(e);
        }
    }
    return undefined;
};
const then = (promise, thenFn) => {
    return promise && promise.then ? promise.then(thenFn) : thenFn();
};
const addHydratedFlag = (elm) => 
    elm.classList.add('hydrated') ;
const addEventListeners = (elm, hostRef, listeners) => {
    hostRef.$queuedListeners$ = hostRef.$queuedListeners$ || [];
    const removeFns = listeners.map(([flags, name, method]) => {
        const target = ( getHostListenerTarget(elm, flags) );
        const handler = hostListenerProxy(hostRef, method);
        const opts = hostListenerOpts(flags);
        plt.ael(target, name, handler, opts);
        return () => plt.rel(target, name, handler, opts);
    });
    return () => removeFns.forEach(fn => fn());
};
const hostListenerProxy = (hostRef, methodName) => {
    return (ev) => {
        {
            if (hostRef.$flags$ & 256 /* isListenReady */) {
                // instance is ready, let's call it's member method for this event
                hostRef.$lazyInstance$[methodName](ev);
            }
            else {
                hostRef.$queuedListeners$.push([methodName, ev]);
            }
        }
    };
};
const getHostListenerTarget = (elm, flags) => {
    if ( flags & 32 /* TargetBody */)
        return doc.body;
    return elm;
};
const hostListenerOpts = (flags) =>  (flags & 2 /* Capture */) !== 0;
const parsePropertyValue = (propValue, propType) => {
    // ensure this value is of the correct prop type
    if (propValue != null && !isComplexType(propValue)) {
        if ( propType & 4 /* Boolean */) {
            // per the HTML spec, any string value means it is a boolean true value
            // but we'll cheat here and say that the string "false" is the boolean false
            return (propValue === 'false' ? false : propValue === '' || !!propValue);
        }
        if ( propType & 2 /* Number */) {
            // force it to be a number
            return parseFloat(propValue);
        }
        if ( propType & 1 /* String */) {
            // could have been passed as a number or boolean
            // but we still want it as a string
            return String(propValue);
        }
        // redundant return here for better minification
        return propValue;
    }
    // not sure exactly what type we want
    // so no need to change to a different type
    return propValue;
};
const getValue = (ref, propName) => getHostRef(ref).$instanceValues$.get(propName);
const setValue = (ref, propName, newVal, cmpMeta) => {
    // check our new property value against our internal value
    const hostRef = getHostRef(ref);
    const elm =  hostRef.$hostElement$ ;
    const oldVal = hostRef.$instanceValues$.get(propName);
    const flags = hostRef.$flags$;
    const instance =  hostRef.$lazyInstance$ ;
    newVal = parsePropertyValue(newVal, cmpMeta.$members$[propName][0]);
    if (newVal !== oldVal && ( !(flags & 8 /* isConstructingInstance */) || oldVal === undefined)) {
        // gadzooks! the property's value has changed!!
        // set our new value!
        hostRef.$instanceValues$.set(propName, newVal);
        if ( instance) {
            if ( (flags & (2 /* hasRendered */ | 16 /* isQueuedForUpdate */)) === 2 /* hasRendered */) {
                // looks like this value actually changed, so we've got work to do!
                // but only if we've already rendered, otherwise just chill out
                // queue that we need to do an update, but don't worry about queuing
                // up millions cuz this function ensures it only runs once
                scheduleUpdate(elm, hostRef, cmpMeta, false);
            }
        }
    }
};
const proxyComponent = (Cstr, cmpMeta, flags) => {
    if ( cmpMeta.$members$) {
        // It's better to have a const than two Object.entries()
        const members = Object.entries(cmpMeta.$members$);
        const prototype = Cstr.prototype;
        members.forEach(([memberName, [memberFlags]]) => {
            if ( ((memberFlags & 31 /* Prop */) ||
                (( flags & 2 /* proxyState */) &&
                    (memberFlags & 32 /* State */)))) {
                // proxyComponent - prop
                Object.defineProperty(prototype, memberName, {
                    get() {
                        // proxyComponent, get value
                        return getValue(this, memberName);
                    },
                    set(newValue) {
                        // proxyComponent, set value
                        setValue(this, memberName, newValue, cmpMeta);
                    },
                    configurable: true,
                    enumerable: true
                });
            }
            else if ( (flags & 1 /* isElementConstructor */) && (memberFlags & 64 /* Method */)) {
                // proxyComponent - method
                Object.defineProperty(prototype, memberName, {
                    value(...args) {
                        const ref = getHostRef(this);
                        return ref.$onInstancePromise$.then(() => ref.$lazyInstance$[memberName](...args));
                    }
                });
            }
        });
        if ( ( flags & 1 /* isElementConstructor */)) {
            const attrNameToPropName = new Map();
            prototype.attributeChangedCallback = function (attrName, _oldValue, newValue) {
                plt.jmp(() => {
                    const propName = attrNameToPropName.get(attrName);
                    this[propName] = newValue === null && typeof this[propName] === 'boolean'
                        ? false
                        : newValue;
                });
            };
            // create an array of attributes to observe
            // and also create a map of html attribute name to js property name
            Cstr.observedAttributes = members
                .filter(([_, m]) => m[0] & 15 /* HasAttribute */) // filter to only keep props that should match attributes
                .map(([propName, m]) => {
                const attrName = m[1] || propName;
                attrNameToPropName.set(attrName, propName);
                return attrName;
            });
        }
    }
    return Cstr;
};
const initializeComponent = async (elm, hostRef, cmpMeta, hmrVersionId, Cstr) => {
    // initializeComponent
    if ( (hostRef.$flags$ & 32 /* hasInitializedComponent */) === 0) {
        // we haven't initialized this element yet
        hostRef.$flags$ |= 32 /* hasInitializedComponent */;
        {
            // lazy loaded components
            // request the component's implementation to be
            // wired up with the host element
            Cstr = loadModule(cmpMeta);
            if (Cstr.then) {
                // Await creates a micro-task avoid if possible
                const endLoad = uniqueTime();
                Cstr = await Cstr;
                endLoad();
            }
            if ( !Cstr.isProxied) {
                proxyComponent(Cstr, cmpMeta, 2 /* proxyState */);
                Cstr.isProxied = true;
            }
            const endNewInstance = createTime('createInstance', cmpMeta.$tagName$);
            // ok, time to construct the instance
            // but let's keep track of when we start and stop
            // so that the getters/setters don't incorrectly step on data
            {
                hostRef.$flags$ |= 8 /* isConstructingInstance */;
            }
            // construct the lazy-loaded component implementation
            // passing the hostRef is very important during
            // construction in order to directly wire together the
            // host element and the lazy-loaded instance
            try {
                new Cstr(hostRef);
            }
            catch (e) {
                consoleError(e);
            }
            {
                hostRef.$flags$ &= ~8 /* isConstructingInstance */;
            }
            endNewInstance();
        }
        const scopeId =  getScopeId(cmpMeta.$tagName$);
        if ( !styles.has(scopeId) && Cstr.style) {
            const endRegisterStyles = createTime('registerStyles', cmpMeta.$tagName$);
            // this component has styles but we haven't registered them yet
            let style = Cstr.style;
            if ( cmpMeta.$flags$ & 8 /* needsShadowDomShim */) {
                style = await __webpack_require__.e(/*! import() */ "node_modules_ionic_pwa-elements_dist_esm_shadow-css-d7d058ec-d59cb009_js").then(__webpack_require__.bind(__webpack_require__, /*! ./shadow-css-d7d058ec-d59cb009.js */ 4313)).then(m => m.scopeCss(style, scopeId, false));
            }
            registerStyle(scopeId, style, !!(cmpMeta.$flags$ & 1 /* shadowDomEncapsulation */));
            endRegisterStyles();
        }
    }
    // we've successfully created a lazy instance
    const ancestorComponent = hostRef.$ancestorComponent$;
    const schedule = () => scheduleUpdate(elm, hostRef, cmpMeta, true);
    if ( ancestorComponent && ancestorComponent['s-rc']) {
        // this is the intial load and this component it has an ancestor component
        // but the ancestor component has NOT fired its will update lifecycle yet
        // so let's just cool our jets and wait for the ancestor to continue first
        // this will get fired off when the ancestor component
        // finally gets around to rendering its lazy self
        // fire off the initial update
        ancestorComponent['s-rc'].push(schedule);
    }
    else {
        schedule();
    }
};
const connectedCallback = (elm, cmpMeta) => {
    if ((plt.$flags$ & 1 /* isTmpDisconnected */) === 0) {
        const endConnected = createTime('connectedCallback', cmpMeta.$tagName$);
        // connectedCallback
        const hostRef = getHostRef(elm);
        if ( cmpMeta.$listeners$) {
            // initialize our event listeners on the host element
            // we do this now so that we can listening to events that may
            // have fired even before the instance is ready
            hostRef.$rmListeners$ = addEventListeners(elm, hostRef, cmpMeta.$listeners$);
        }
        if (!(hostRef.$flags$ & 1 /* hasConnected */)) {
            // first time this component has connected
            hostRef.$flags$ |= 1 /* hasConnected */;
            {
                // find the first ancestor component (if there is one) and register
                // this component as one of the actively loading child components for its ancestor
                let ancestorComponent = elm;
                while ((ancestorComponent = (ancestorComponent.parentNode || ancestorComponent.host))) {
                    // climb up the ancestors looking for the first
                    // component that hasn't finished its lifecycle update yet
                    if (
                        (ancestorComponent['s-p'])) {
                        // we found this components first ancestor component
                        // keep a reference to this component's ancestor component
                        attachToAncestor(hostRef, (hostRef.$ancestorComponent$ = ancestorComponent));
                        break;
                    }
                }
            }
            // Lazy properties
            // https://developers.google.com/web/fundamentals/web-components/best-practices#lazy-properties
            if ( cmpMeta.$members$) {
                Object.entries(cmpMeta.$members$).forEach(([memberName, [memberFlags]]) => {
                    if (memberFlags & 31 /* Prop */ && elm.hasOwnProperty(memberName)) {
                        const value = elm[memberName];
                        delete elm[memberName];
                        elm[memberName] = value;
                    }
                });
            }
            {
                // connectedCallback, taskQueue, initialLoad
                // angular sets attribute AFTER connectCallback
                // https://github.com/angular/angular/issues/18909
                // https://github.com/angular/angular/issues/19940
                nextTick(() => initializeComponent(elm, hostRef, cmpMeta));
            }
        }
        endConnected();
    }
};
const disconnectedCallback = (elm) => {
    if ((plt.$flags$ & 1 /* isTmpDisconnected */) === 0) {
        const hostRef = getHostRef(elm);
        const instance =  hostRef.$lazyInstance$ ;
        {
            if (hostRef.$rmListeners$) {
                hostRef.$rmListeners$();
                hostRef.$rmListeners$ = undefined;
            }
        }
        // clear CSS var-shim tracking
        if ( plt.$cssShim$) {
            plt.$cssShim$.removeHost(elm);
        }
        {
            safeCall(instance, 'componentDidUnload');
        }
    }
};
const bootstrapLazy = (lazyBundles, options = {}) => {
    const endBootstrap = createTime();
    const cmpTags = [];
    const exclude = options.exclude || [];
    const customElements = win.customElements;
    const head = doc.head;
    const metaCharset = /*@__PURE__*/ head.querySelector('meta[charset]');
    const visibilityStyle = /*@__PURE__*/ doc.createElement('style');
    const deferredConnectedCallbacks = [];
    let appLoadFallback;
    let isBootstrapping = true;
    Object.assign(plt, options);
    plt.$resourcesUrl$ = new URL(options.resourcesUrl || './', doc.baseURI).href;
    if (options.syncQueue) {
        plt.$flags$ |= 4 /* queueSync */;
    }
    lazyBundles.forEach(lazyBundle => lazyBundle[1].forEach(compactMeta => {
        const cmpMeta = {
            $flags$: compactMeta[0],
            $tagName$: compactMeta[1],
            $members$: compactMeta[2],
            $listeners$: compactMeta[3],
        };
        {
            cmpMeta.$members$ = compactMeta[2];
        }
        {
            cmpMeta.$listeners$ = compactMeta[3];
        }
        if ( !supportsShadowDom && cmpMeta.$flags$ & 1 /* shadowDomEncapsulation */) {
            cmpMeta.$flags$ |= 8 /* needsShadowDomShim */;
        }
        const tagName = cmpMeta.$tagName$;
        const HostElement = class extends HTMLElement {
            // StencilLazyHost
            constructor(self) {
                // @ts-ignore
                super(self);
                self = this;
                registerHost(self);
                if ( cmpMeta.$flags$ & 1 /* shadowDomEncapsulation */) {
                    // this component is using shadow dom
                    // and this browser supports shadow dom
                    // add the read-only property "shadowRoot" to the host element
                    // adding the shadow root build conditionals to minimize runtime
                    if (supportsShadowDom) {
                        {
                            self.attachShadow({ mode: 'open' });
                        }
                    }
                    else if ( !('shadowRoot' in self)) {
                        self.shadowRoot = self;
                    }
                }
            }
            connectedCallback() {
                if (appLoadFallback) {
                    clearTimeout(appLoadFallback);
                    appLoadFallback = null;
                }
                if (isBootstrapping) {
                    // connectedCallback will be processed once all components have been registered
                    deferredConnectedCallbacks.push(this);
                }
                else {
                    plt.jmp(() => connectedCallback(this, cmpMeta));
                }
            }
            disconnectedCallback() {
                plt.jmp(() => disconnectedCallback(this));
            }
            forceUpdate() {
                forceUpdate(this, cmpMeta);
            }
            componentOnReady() {
                return getHostRef(this).$onReadyPromise$;
            }
        };
        cmpMeta.$lazyBundleIds$ = lazyBundle[0];
        if (!exclude.includes(tagName) && !customElements.get(tagName)) {
            cmpTags.push(tagName);
            customElements.define(tagName, proxyComponent(HostElement, cmpMeta, 1 /* isElementConstructor */));
        }
    }));
    {
        visibilityStyle.innerHTML = cmpTags + HYDRATED_CSS;
        visibilityStyle.setAttribute('data-styles', '');
        head.insertBefore(visibilityStyle, metaCharset ? metaCharset.nextSibling : head.firstChild);
    }
    // Process deferred connectedCallbacks now all components have been registered
    isBootstrapping = false;
    if (deferredConnectedCallbacks.length > 0) {
        deferredConnectedCallbacks.forEach(host => host.connectedCallback());
    }
    else {
        {
            plt.jmp(() => appLoadFallback = setTimeout(appDidLoad, 30));
        }
    }
    // Fallback appLoad event
    endBootstrap();
};
const createEvent = (ref, name, flags) => {
    const elm = getElement(ref);
    return {
        emit: (detail) => {
            const ev = new ( CustomEvent)(name, {
                bubbles: !!(flags & 4 /* Bubbles */),
                composed: !!(flags & 2 /* Composed */),
                cancelable: !!(flags & 1 /* Cancellable */),
                detail
            });
            elm.dispatchEvent(ev);
            return ev;
        }
    };
};
const getAssetPath = (path) => {
    const assetUrl = new URL(path, plt.$resourcesUrl$);
    return (assetUrl.origin !== win.location.origin)
        ? assetUrl.href
        : assetUrl.pathname;
};
const getContext = (_elm, context) => {
    if (context in Context) {
        return Context[context];
    }
    else if (context === 'window') {
        return win;
    }
    else if (context === 'document') {
        return doc;
    }
    else if (context === 'isServer' || context === 'isPrerender') {
        return  false;
    }
    else if (context === 'isClient') {
        return  true;
    }
    else if (context === 'resourcesUrl' || context === 'publicPath') {
        return getAssetPath('.');
    }
    else if (context === 'queue') {
        return {
            write: writeTask,
            read: readTask,
            tick: {
                then(cb) {
                    return nextTick(cb);
                }
            }
        };
    }
    return undefined;
};
const getElement = (ref) =>  getHostRef(ref).$hostElement$ ;




/***/ }),

/***/ 7520:
/*!**********************************************************************!*\
  !*** ./node_modules/@ionic/pwa-elements/dist/esm/polyfills/index.js ***!
  \**********************************************************************/
/***/ ((__unused_webpack_module, __webpack_exports__, __webpack_require__) => {

"use strict";
__webpack_require__.r(__webpack_exports__);
/* harmony export */ __webpack_require__.d(__webpack_exports__, {
/* harmony export */   "applyPolyfills": () => (/* binding */ applyPolyfills)
/* harmony export */ });
function applyPolyfills() {
  if (typeof window !== 'undefined') {
    var win = window;

    var promises = [];

    if (!win.customElements || (win.Element && (!win.Element.prototype.closest || !win.Element.prototype.matches || !win.Element.prototype.remove))) {
      promises.push(__webpack_require__.e(/*! import() */ "node_modules_ionic_pwa-elements_dist_esm_polyfills_dom_js").then(__webpack_require__.t.bind(__webpack_require__, /*! ./dom.js */ 3211, 23)));
    }

    function checkIfURLIsSupported() {
      try {
        var u = new URL('b', 'http://a');
        u.pathname = 'c%20d';
        return (u.href === 'http://a/c%20d') && u.searchParams;
      } catch (e) {
        return false;
      }
    }

    if (
      'function' !== typeof Object.assign || !Object.entries ||
      !Array.prototype.find || !Array.prototype.includes ||
      !String.prototype.startsWith || !String.prototype.endsWith ||
      (win.NodeList && !win.NodeList.prototype.forEach) ||
      !win.fetch ||
      !checkIfURLIsSupported() ||
      typeof WeakMap == 'undefined'
    ) {
      promises.push(__webpack_require__.e(/*! import() */ "node_modules_ionic_pwa-elements_dist_esm_polyfills_core-js_js").then(__webpack_require__.t.bind(__webpack_require__, /*! ./core-js.js */ 6931, 23)));
    }
    return Promise.all(promises);
  }
  return Promise.resolve();
}


/***/ }),

/***/ 9790:
/*!**************************************************************************************!*\
  !*** ./node_modules/@ngx-translate/core/__ivy_ngcc__/fesm2015/ngx-translate-core.js ***!
  \**************************************************************************************/
/***/ ((__unused_webpack_module, __webpack_exports__, __webpack_require__) => {

"use strict";
__webpack_require__.r(__webpack_exports__);
/* harmony export */ __webpack_require__.d(__webpack_exports__, {
/* harmony export */   "DEFAULT_LANGUAGE": () => (/* binding */ DEFAULT_LANGUAGE),
/* harmony export */   "FakeMissingTranslationHandler": () => (/* binding */ FakeMissingTranslationHandler),
/* harmony export */   "MissingTranslationHandler": () => (/* binding */ MissingTranslationHandler),
/* harmony export */   "TranslateCompiler": () => (/* binding */ TranslateCompiler),
/* harmony export */   "TranslateDefaultParser": () => (/* binding */ TranslateDefaultParser),
/* harmony export */   "TranslateDirective": () => (/* binding */ TranslateDirective),
/* harmony export */   "TranslateFakeCompiler": () => (/* binding */ TranslateFakeCompiler),
/* harmony export */   "TranslateFakeLoader": () => (/* binding */ TranslateFakeLoader),
/* harmony export */   "TranslateLoader": () => (/* binding */ TranslateLoader),
/* harmony export */   "TranslateModule": () => (/* binding */ TranslateModule),
/* harmony export */   "TranslateParser": () => (/* binding */ TranslateParser),
/* harmony export */   "TranslatePipe": () => (/* binding */ TranslatePipe),
/* harmony export */   "TranslateService": () => (/* binding */ TranslateService),
/* harmony export */   "TranslateStore": () => (/* binding */ TranslateStore),
/* harmony export */   "USE_DEFAULT_LANG": () => (/* binding */ USE_DEFAULT_LANG),
/* harmony export */   "USE_EXTEND": () => (/* binding */ USE_EXTEND),
/* harmony export */   "USE_STORE": () => (/* binding */ USE_STORE)
/* harmony export */ });
/* harmony import */ var _angular_core__WEBPACK_IMPORTED_MODULE_1__ = __webpack_require__(/*! @angular/core */ 7716);
/* harmony import */ var rxjs__WEBPACK_IMPORTED_MODULE_0__ = __webpack_require__(/*! rxjs */ 5917);
/* harmony import */ var rxjs__WEBPACK_IMPORTED_MODULE_5__ = __webpack_require__(/*! rxjs */ 5639);
/* harmony import */ var rxjs__WEBPACK_IMPORTED_MODULE_6__ = __webpack_require__(/*! rxjs */ 5758);
/* harmony import */ var rxjs__WEBPACK_IMPORTED_MODULE_8__ = __webpack_require__(/*! rxjs */ 9923);
/* harmony import */ var rxjs__WEBPACK_IMPORTED_MODULE_9__ = __webpack_require__(/*! rxjs */ 1439);
/* harmony import */ var rxjs_operators__WEBPACK_IMPORTED_MODULE_2__ = __webpack_require__(/*! rxjs/operators */ 5257);
/* harmony import */ var rxjs_operators__WEBPACK_IMPORTED_MODULE_3__ = __webpack_require__(/*! rxjs/operators */ 7349);
/* harmony import */ var rxjs_operators__WEBPACK_IMPORTED_MODULE_4__ = __webpack_require__(/*! rxjs/operators */ 8002);
/* harmony import */ var rxjs_operators__WEBPACK_IMPORTED_MODULE_7__ = __webpack_require__(/*! rxjs/operators */ 4612);
/* harmony import */ var rxjs_operators__WEBPACK_IMPORTED_MODULE_10__ = __webpack_require__(/*! rxjs/operators */ 3190);




/**
 * @fileoverview added by tsickle
 * Generated from: lib/translate.loader.ts
 * @suppress {checkTypes,constantProperty,extraRequire,missingOverride,missingReturn,unusedPrivateMembers,uselessCode} checked by tsc
 */
/**
 * @abstract
 */

class TranslateLoader {
}
if (false) {}
/**
 * This loader is just a placeholder that does nothing, in case you don't need a loader at all
 */
class TranslateFakeLoader extends TranslateLoader {
    /**
     * @param {?} lang
     * @return {?}
     */
    getTranslation(lang) {
        return (0,rxjs__WEBPACK_IMPORTED_MODULE_0__.of)({});
    }
}
TranslateFakeLoader.ɵfac = /*@__PURE__*/ function () { let ɵTranslateFakeLoader_BaseFactory; return function TranslateFakeLoader_Factory(t) { return (ɵTranslateFakeLoader_BaseFactory || (ɵTranslateFakeLoader_BaseFactory = _angular_core__WEBPACK_IMPORTED_MODULE_1__["ɵɵgetInheritedFactory"](TranslateFakeLoader)))(t || TranslateFakeLoader); }; }();
TranslateFakeLoader.ɵprov = /*@__PURE__*/ _angular_core__WEBPACK_IMPORTED_MODULE_1__["ɵɵdefineInjectable"]({ token: TranslateFakeLoader, factory: TranslateFakeLoader.ɵfac });
(function () { (typeof ngDevMode === "undefined" || ngDevMode) && _angular_core__WEBPACK_IMPORTED_MODULE_1__["ɵsetClassMetadata"](TranslateFakeLoader, [{
        type: _angular_core__WEBPACK_IMPORTED_MODULE_1__.Injectable
    }], null, null); })();

/**
 * @fileoverview added by tsickle
 * Generated from: lib/missing-translation-handler.ts
 * @suppress {checkTypes,constantProperty,extraRequire,missingOverride,missingReturn,unusedPrivateMembers,uselessCode} checked by tsc
 */
/**
 * @record
 */
function MissingTranslationHandlerParams() { }
if (false) {}
/**
 * @abstract
 */
class MissingTranslationHandler {
}
if (false) {}
/**
 * This handler is just a placeholder that does nothing, in case you don't need a missing translation handler at all
 */
class FakeMissingTranslationHandler {
    /**
     * @param {?} params
     * @return {?}
     */
    handle(params) {
        return params.key;
    }
}
FakeMissingTranslationHandler.ɵfac = function FakeMissingTranslationHandler_Factory(t) { return new (t || FakeMissingTranslationHandler)(); };
FakeMissingTranslationHandler.ɵprov = /*@__PURE__*/ _angular_core__WEBPACK_IMPORTED_MODULE_1__["ɵɵdefineInjectable"]({ token: FakeMissingTranslationHandler, factory: FakeMissingTranslationHandler.ɵfac });
(function () { (typeof ngDevMode === "undefined" || ngDevMode) && _angular_core__WEBPACK_IMPORTED_MODULE_1__["ɵsetClassMetadata"](FakeMissingTranslationHandler, [{
        type: _angular_core__WEBPACK_IMPORTED_MODULE_1__.Injectable
    }], null, null); })();

/**
 * @fileoverview added by tsickle
 * Generated from: lib/util.ts
 * @suppress {checkTypes,constantProperty,extraRequire,missingOverride,missingReturn,unusedPrivateMembers,uselessCode} checked by tsc
 */
/* tslint:disable */
/**
 * Determines if two objects or two values are equivalent.
 *
 * Two objects or values are considered equivalent if at least one of the following is true:
 *
 * * Both objects or values pass `===` comparison.
 * * Both objects or values are of the same type and all of their properties are equal by
 *   comparing them with `equals`.
 *
 * @param {?} o1 Object or value to compare.
 * @param {?} o2 Object or value to compare.
 * @return {?} true if arguments are equal.
 */
function equals(o1, o2) {
    if (o1 === o2)
        return true;
    if (o1 === null || o2 === null)
        return false;
    if (o1 !== o1 && o2 !== o2)
        return true; // NaN === NaN
    // NaN === NaN
    /** @type {?} */
    let t1 = typeof o1;
    /** @type {?} */
    let t2 = typeof o2;
    /** @type {?} */
    let length;
    /** @type {?} */
    let key;
    /** @type {?} */
    let keySet;
    if (t1 == t2 && t1 == 'object') {
        if (Array.isArray(o1)) {
            if (!Array.isArray(o2))
                return false;
            if ((length = o1.length) == o2.length) {
                for (key = 0; key < length; key++) {
                    if (!equals(o1[key], o2[key]))
                        return false;
                }
                return true;
            }
        }
        else {
            if (Array.isArray(o2)) {
                return false;
            }
            keySet = Object.create(null);
            for (key in o1) {
                if (!equals(o1[key], o2[key])) {
                    return false;
                }
                keySet[key] = true;
            }
            for (key in o2) {
                if (!(key in keySet) && typeof o2[key] !== 'undefined') {
                    return false;
                }
            }
            return true;
        }
    }
    return false;
}
/* tslint:enable */
/**
 * @param {?} value
 * @return {?}
 */
function isDefined(value) {
    return typeof value !== 'undefined' && value !== null;
}
/**
 * @param {?} item
 * @return {?}
 */
function isObject(item) {
    return (item && typeof item === 'object' && !Array.isArray(item));
}
/**
 * @param {?} target
 * @param {?} source
 * @return {?}
 */
function mergeDeep(target, source) {
    /** @type {?} */
    let output = Object.assign({}, target);
    if (isObject(target) && isObject(source)) {
        Object.keys(source).forEach((/**
         * @param {?} key
         * @return {?}
         */
        (key) => {
            if (isObject(source[key])) {
                if (!(key in target)) {
                    Object.assign(output, { [key]: source[key] });
                }
                else {
                    output[key] = mergeDeep(target[key], source[key]);
                }
            }
            else {
                Object.assign(output, { [key]: source[key] });
            }
        }));
    }
    return output;
}

/**
 * @fileoverview added by tsickle
 * Generated from: lib/translate.parser.ts
 * @suppress {checkTypes,constantProperty,extraRequire,missingOverride,missingReturn,unusedPrivateMembers,uselessCode} checked by tsc
 */
/**
 * @abstract
 */
class TranslateParser {
}
if (false) {}
class TranslateDefaultParser extends TranslateParser {
    constructor() {
        super(...arguments);
        this.templateMatcher = /{{\s?([^{}\s]*)\s?}}/g;
    }
    /**
     * @param {?} expr
     * @param {?=} params
     * @return {?}
     */
    interpolate(expr, params) {
        /** @type {?} */
        let result;
        if (typeof expr === 'string') {
            result = this.interpolateString(expr, params);
        }
        else if (typeof expr === 'function') {
            result = this.interpolateFunction(expr, params);
        }
        else {
            // this should not happen, but an unrelated TranslateService test depends on it
            result = (/** @type {?} */ (expr));
        }
        return result;
    }
    /**
     * @param {?} target
     * @param {?} key
     * @return {?}
     */
    getValue(target, key) {
        /** @type {?} */
        let keys = typeof key === 'string' ? key.split('.') : [key];
        key = '';
        do {
            key += keys.shift();
            if (isDefined(target) && isDefined(target[key]) && (typeof target[key] === 'object' || !keys.length)) {
                target = target[key];
                key = '';
            }
            else if (!keys.length) {
                target = undefined;
            }
            else {
                key += '.';
            }
        } while (keys.length);
        return target;
    }
    /**
     * @private
     * @param {?} fn
     * @param {?=} params
     * @return {?}
     */
    interpolateFunction(fn, params) {
        return fn(params);
    }
    /**
     * @private
     * @param {?} expr
     * @param {?=} params
     * @return {?}
     */
    interpolateString(expr, params) {
        if (!params) {
            return expr;
        }
        return expr.replace(this.templateMatcher, (/**
         * @param {?} substring
         * @param {?} b
         * @return {?}
         */
        (substring, b) => {
            /** @type {?} */
            let r = this.getValue(params, b);
            return isDefined(r) ? r : substring;
        }));
    }
}
TranslateDefaultParser.ɵfac = /*@__PURE__*/ function () { let ɵTranslateDefaultParser_BaseFactory; return function TranslateDefaultParser_Factory(t) { return (ɵTranslateDefaultParser_BaseFactory || (ɵTranslateDefaultParser_BaseFactory = _angular_core__WEBPACK_IMPORTED_MODULE_1__["ɵɵgetInheritedFactory"](TranslateDefaultParser)))(t || TranslateDefaultParser); }; }();
TranslateDefaultParser.ɵprov = /*@__PURE__*/ _angular_core__WEBPACK_IMPORTED_MODULE_1__["ɵɵdefineInjectable"]({ token: TranslateDefaultParser, factory: TranslateDefaultParser.ɵfac });
(function () { (typeof ngDevMode === "undefined" || ngDevMode) && _angular_core__WEBPACK_IMPORTED_MODULE_1__["ɵsetClassMetadata"](TranslateDefaultParser, [{
        type: _angular_core__WEBPACK_IMPORTED_MODULE_1__.Injectable
    }], null, null); })();
if (false) {}

/**
 * @fileoverview added by tsickle
 * Generated from: lib/translate.compiler.ts
 * @suppress {checkTypes,constantProperty,extraRequire,missingOverride,missingReturn,unusedPrivateMembers,uselessCode} checked by tsc
 */
/**
 * @abstract
 */
class TranslateCompiler {
}
if (false) {}
/**
 * This compiler is just a placeholder that does nothing, in case you don't need a compiler at all
 */
class TranslateFakeCompiler extends TranslateCompiler {
    /**
     * @param {?} value
     * @param {?} lang
     * @return {?}
     */
    compile(value, lang) {
        return value;
    }
    /**
     * @param {?} translations
     * @param {?} lang
     * @return {?}
     */
    compileTranslations(translations, lang) {
        return translations;
    }
}
TranslateFakeCompiler.ɵfac = /*@__PURE__*/ function () { let ɵTranslateFakeCompiler_BaseFactory; return function TranslateFakeCompiler_Factory(t) { return (ɵTranslateFakeCompiler_BaseFactory || (ɵTranslateFakeCompiler_BaseFactory = _angular_core__WEBPACK_IMPORTED_MODULE_1__["ɵɵgetInheritedFactory"](TranslateFakeCompiler)))(t || TranslateFakeCompiler); }; }();
TranslateFakeCompiler.ɵprov = /*@__PURE__*/ _angular_core__WEBPACK_IMPORTED_MODULE_1__["ɵɵdefineInjectable"]({ token: TranslateFakeCompiler, factory: TranslateFakeCompiler.ɵfac });
(function () { (typeof ngDevMode === "undefined" || ngDevMode) && _angular_core__WEBPACK_IMPORTED_MODULE_1__["ɵsetClassMetadata"](TranslateFakeCompiler, [{
        type: _angular_core__WEBPACK_IMPORTED_MODULE_1__.Injectable
    }], null, null); })();

/**
 * @fileoverview added by tsickle
 * Generated from: lib/translate.store.ts
 * @suppress {checkTypes,constantProperty,extraRequire,missingOverride,missingReturn,unusedPrivateMembers,uselessCode} checked by tsc
 */
class TranslateStore {
    constructor() {
        /**
         * The lang currently used
         */
        this.currentLang = this.defaultLang;
        /**
         * a list of translations per lang
         */
        this.translations = {};
        /**
         * an array of langs
         */
        this.langs = [];
        /**
         * An EventEmitter to listen to translation change events
         * onTranslationChange.subscribe((params: TranslationChangeEvent) => {
         *     // do something
         * });
         */
        this.onTranslationChange = new _angular_core__WEBPACK_IMPORTED_MODULE_1__.EventEmitter();
        /**
         * An EventEmitter to listen to lang change events
         * onLangChange.subscribe((params: LangChangeEvent) => {
         *     // do something
         * });
         */
        this.onLangChange = new _angular_core__WEBPACK_IMPORTED_MODULE_1__.EventEmitter();
        /**
         * An EventEmitter to listen to default lang change events
         * onDefaultLangChange.subscribe((params: DefaultLangChangeEvent) => {
         *     // do something
         * });
         */
        this.onDefaultLangChange = new _angular_core__WEBPACK_IMPORTED_MODULE_1__.EventEmitter();
    }
}
if (false) {}

/**
 * @fileoverview added by tsickle
 * Generated from: lib/translate.service.ts
 * @suppress {checkTypes,constantProperty,extraRequire,missingOverride,missingReturn,unusedPrivateMembers,uselessCode} checked by tsc
 */
/** @type {?} */
const USE_STORE = new _angular_core__WEBPACK_IMPORTED_MODULE_1__.InjectionToken('USE_STORE');
/** @type {?} */
const USE_DEFAULT_LANG = new _angular_core__WEBPACK_IMPORTED_MODULE_1__.InjectionToken('USE_DEFAULT_LANG');
/** @type {?} */
const DEFAULT_LANGUAGE = new _angular_core__WEBPACK_IMPORTED_MODULE_1__.InjectionToken('DEFAULT_LANGUAGE');
/** @type {?} */
const USE_EXTEND = new _angular_core__WEBPACK_IMPORTED_MODULE_1__.InjectionToken('USE_EXTEND');
/**
 * @record
 */
function TranslationChangeEvent() { }
if (false) {}
/**
 * @record
 */
function LangChangeEvent() { }
if (false) {}
/**
 * @record
 */
function DefaultLangChangeEvent() { }
if (false) {}
class TranslateService {
    /**
     *
     * @param {?} store an instance of the store (that is supposed to be unique)
     * @param {?} currentLoader An instance of the loader currently used
     * @param {?} compiler An instance of the compiler currently used
     * @param {?} parser An instance of the parser currently used
     * @param {?} missingTranslationHandler A handler for missing translations.
     * @param {?=} useDefaultLang whether we should use default language translation when current language translation is missing.
     * @param {?=} isolate whether this service should use the store or not
     * @param {?=} extend To make a child module extend (and use) translations from parent modules.
     * @param {?=} defaultLanguage Set the default language using configuration
     */
    constructor(store, currentLoader, compiler, parser, missingTranslationHandler, useDefaultLang = true, isolate = false, extend = false, defaultLanguage) {
        this.store = store;
        this.currentLoader = currentLoader;
        this.compiler = compiler;
        this.parser = parser;
        this.missingTranslationHandler = missingTranslationHandler;
        this.useDefaultLang = useDefaultLang;
        this.isolate = isolate;
        this.extend = extend;
        this.pending = false;
        this._onTranslationChange = new _angular_core__WEBPACK_IMPORTED_MODULE_1__.EventEmitter();
        this._onLangChange = new _angular_core__WEBPACK_IMPORTED_MODULE_1__.EventEmitter();
        this._onDefaultLangChange = new _angular_core__WEBPACK_IMPORTED_MODULE_1__.EventEmitter();
        this._langs = [];
        this._translations = {};
        this._translationRequests = {};
        /** set the default language from configuration */
        if (defaultLanguage) {
            this.setDefaultLang(defaultLanguage);
        }
    }
    /**
     * An EventEmitter to listen to translation change events
     * onTranslationChange.subscribe((params: TranslationChangeEvent) => {
     *     // do something
     * });
     * @return {?}
     */
    get onTranslationChange() {
        return this.isolate ? this._onTranslationChange : this.store.onTranslationChange;
    }
    /**
     * An EventEmitter to listen to lang change events
     * onLangChange.subscribe((params: LangChangeEvent) => {
     *     // do something
     * });
     * @return {?}
     */
    get onLangChange() {
        return this.isolate ? this._onLangChange : this.store.onLangChange;
    }
    /**
     * An EventEmitter to listen to default lang change events
     * onDefaultLangChange.subscribe((params: DefaultLangChangeEvent) => {
     *     // do something
     * });
     * @return {?}
     */
    get onDefaultLangChange() {
        return this.isolate ? this._onDefaultLangChange : this.store.onDefaultLangChange;
    }
    /**
     * The default lang to fallback when translations are missing on the current lang
     * @return {?}
     */
    get defaultLang() {
        return this.isolate ? this._defaultLang : this.store.defaultLang;
    }
    /**
     * @param {?} defaultLang
     * @return {?}
     */
    set defaultLang(defaultLang) {
        if (this.isolate) {
            this._defaultLang = defaultLang;
        }
        else {
            this.store.defaultLang = defaultLang;
        }
    }
    /**
     * The lang currently used
     * @return {?}
     */
    get currentLang() {
        return this.isolate ? this._currentLang : this.store.currentLang;
    }
    /**
     * @param {?} currentLang
     * @return {?}
     */
    set currentLang(currentLang) {
        if (this.isolate) {
            this._currentLang = currentLang;
        }
        else {
            this.store.currentLang = currentLang;
        }
    }
    /**
     * an array of langs
     * @return {?}
     */
    get langs() {
        return this.isolate ? this._langs : this.store.langs;
    }
    /**
     * @param {?} langs
     * @return {?}
     */
    set langs(langs) {
        if (this.isolate) {
            this._langs = langs;
        }
        else {
            this.store.langs = langs;
        }
    }
    /**
     * a list of translations per lang
     * @return {?}
     */
    get translations() {
        return this.isolate ? this._translations : this.store.translations;
    }
    /**
     * @param {?} translations
     * @return {?}
     */
    set translations(translations) {
        if (this.isolate) {
            this._translations = translations;
        }
        else {
            this.store.translations = translations;
        }
    }
    /**
     * Sets the default language to use as a fallback
     * @param {?} lang
     * @return {?}
     */
    setDefaultLang(lang) {
        if (lang === this.defaultLang) {
            return;
        }
        /** @type {?} */
        let pending = this.retrieveTranslations(lang);
        if (typeof pending !== "undefined") {
            // on init set the defaultLang immediately
            if (this.defaultLang == null) {
                this.defaultLang = lang;
            }
            pending.pipe((0,rxjs_operators__WEBPACK_IMPORTED_MODULE_2__.take)(1))
                .subscribe((/**
             * @param {?} res
             * @return {?}
             */
            (res) => {
                this.changeDefaultLang(lang);
            }));
        }
        else { // we already have this language
            this.changeDefaultLang(lang);
        }
    }
    /**
     * Gets the default language used
     * @return {?}
     */
    getDefaultLang() {
        return this.defaultLang;
    }
    /**
     * Changes the lang currently used
     * @param {?} lang
     * @return {?}
     */
    use(lang) {
        // don't change the language if the language given is already selected
        if (lang === this.currentLang) {
            return (0,rxjs__WEBPACK_IMPORTED_MODULE_0__.of)(this.translations[lang]);
        }
        /** @type {?} */
        let pending = this.retrieveTranslations(lang);
        if (typeof pending !== "undefined") {
            // on init set the currentLang immediately
            if (!this.currentLang) {
                this.currentLang = lang;
            }
            pending.pipe((0,rxjs_operators__WEBPACK_IMPORTED_MODULE_2__.take)(1))
                .subscribe((/**
             * @param {?} res
             * @return {?}
             */
            (res) => {
                this.changeLang(lang);
            }));
            return pending;
        }
        else { // we have this language, return an Observable
            this.changeLang(lang);
            return (0,rxjs__WEBPACK_IMPORTED_MODULE_0__.of)(this.translations[lang]);
        }
    }
    /**
     * Retrieves the given translations
     * @private
     * @param {?} lang
     * @return {?}
     */
    retrieveTranslations(lang) {
        /** @type {?} */
        let pending;
        // if this language is unavailable or extend is true, ask for it
        if (typeof this.translations[lang] === "undefined" || this.extend) {
            this._translationRequests[lang] = this._translationRequests[lang] || this.getTranslation(lang);
            pending = this._translationRequests[lang];
        }
        return pending;
    }
    /**
     * Gets an object of translations for a given language with the current loader
     * and passes it through the compiler
     * @param {?} lang
     * @return {?}
     */
    getTranslation(lang) {
        this.pending = true;
        /** @type {?} */
        const loadingTranslations = this.currentLoader.getTranslation(lang).pipe((0,rxjs_operators__WEBPACK_IMPORTED_MODULE_3__.shareReplay)(1), (0,rxjs_operators__WEBPACK_IMPORTED_MODULE_2__.take)(1));
        this.loadingTranslations = loadingTranslations.pipe((0,rxjs_operators__WEBPACK_IMPORTED_MODULE_4__.map)((/**
         * @param {?} res
         * @return {?}
         */
        (res) => this.compiler.compileTranslations(res, lang))), (0,rxjs_operators__WEBPACK_IMPORTED_MODULE_3__.shareReplay)(1), (0,rxjs_operators__WEBPACK_IMPORTED_MODULE_2__.take)(1));
        this.loadingTranslations
            .subscribe({
            next: (/**
             * @param {?} res
             * @return {?}
             */
            (res) => {
                this.translations[lang] = this.extend && this.translations[lang] ? Object.assign(Object.assign({}, res), this.translations[lang]) : res;
                this.updateLangs();
                this.pending = false;
            }),
            error: (/**
             * @param {?} err
             * @return {?}
             */
            (err) => {
                this.pending = false;
            })
        });
        return loadingTranslations;
    }
    /**
     * Manually sets an object of translations for a given language
     * after passing it through the compiler
     * @param {?} lang
     * @param {?} translations
     * @param {?=} shouldMerge
     * @return {?}
     */
    setTranslation(lang, translations, shouldMerge = false) {
        translations = this.compiler.compileTranslations(translations, lang);
        if ((shouldMerge || this.extend) && this.translations[lang]) {
            this.translations[lang] = mergeDeep(this.translations[lang], translations);
        }
        else {
            this.translations[lang] = translations;
        }
        this.updateLangs();
        this.onTranslationChange.emit({ lang: lang, translations: this.translations[lang] });
    }
    /**
     * Returns an array of currently available langs
     * @return {?}
     */
    getLangs() {
        return this.langs;
    }
    /**
     * Add available langs
     * @param {?} langs
     * @return {?}
     */
    addLangs(langs) {
        langs.forEach((/**
         * @param {?} lang
         * @return {?}
         */
        (lang) => {
            if (this.langs.indexOf(lang) === -1) {
                this.langs.push(lang);
            }
        }));
    }
    /**
     * Update the list of available langs
     * @private
     * @return {?}
     */
    updateLangs() {
        this.addLangs(Object.keys(this.translations));
    }
    /**
     * Returns the parsed result of the translations
     * @param {?} translations
     * @param {?} key
     * @param {?=} interpolateParams
     * @return {?}
     */
    getParsedResult(translations, key, interpolateParams) {
        /** @type {?} */
        let res;
        if (key instanceof Array) {
            /** @type {?} */
            let result = {};
            /** @type {?} */
            let observables = false;
            for (let k of key) {
                result[k] = this.getParsedResult(translations, k, interpolateParams);
                if ((0,rxjs__WEBPACK_IMPORTED_MODULE_5__.isObservable)(result[k])) {
                    observables = true;
                }
            }
            if (observables) {
                /** @type {?} */
                const sources = key.map((/**
                 * @param {?} k
                 * @return {?}
                 */
                k => (0,rxjs__WEBPACK_IMPORTED_MODULE_5__.isObservable)(result[k]) ? result[k] : (0,rxjs__WEBPACK_IMPORTED_MODULE_0__.of)((/** @type {?} */ (result[k])))));
                return (0,rxjs__WEBPACK_IMPORTED_MODULE_6__.forkJoin)(sources).pipe((0,rxjs_operators__WEBPACK_IMPORTED_MODULE_4__.map)((/**
                 * @param {?} arr
                 * @return {?}
                 */
                (arr) => {
                    /** @type {?} */
                    let obj = {};
                    arr.forEach((/**
                     * @param {?} value
                     * @param {?} index
                     * @return {?}
                     */
                    (value, index) => {
                        obj[key[index]] = value;
                    }));
                    return obj;
                })));
            }
            return result;
        }
        if (translations) {
            res = this.parser.interpolate(this.parser.getValue(translations, key), interpolateParams);
        }
        if (typeof res === "undefined" && this.defaultLang != null && this.defaultLang !== this.currentLang && this.useDefaultLang) {
            res = this.parser.interpolate(this.parser.getValue(this.translations[this.defaultLang], key), interpolateParams);
        }
        if (typeof res === "undefined") {
            /** @type {?} */
            let params = { key, translateService: this };
            if (typeof interpolateParams !== 'undefined') {
                params.interpolateParams = interpolateParams;
            }
            res = this.missingTranslationHandler.handle(params);
        }
        return typeof res !== "undefined" ? res : key;
    }
    /**
     * Gets the translated value of a key (or an array of keys)
     * @param {?} key
     * @param {?=} interpolateParams
     * @return {?} the translated key, or an object of translated keys
     */
    get(key, interpolateParams) {
        if (!isDefined(key) || !key.length) {
            throw new Error(`Parameter "key" required`);
        }
        // check if we are loading a new translation to use
        if (this.pending) {
            return this.loadingTranslations.pipe((0,rxjs_operators__WEBPACK_IMPORTED_MODULE_7__.concatMap)((/**
             * @param {?} res
             * @return {?}
             */
            (res) => {
                res = this.getParsedResult(res, key, interpolateParams);
                return (0,rxjs__WEBPACK_IMPORTED_MODULE_5__.isObservable)(res) ? res : (0,rxjs__WEBPACK_IMPORTED_MODULE_0__.of)(res);
            })));
        }
        else {
            /** @type {?} */
            let res = this.getParsedResult(this.translations[this.currentLang], key, interpolateParams);
            return (0,rxjs__WEBPACK_IMPORTED_MODULE_5__.isObservable)(res) ? res : (0,rxjs__WEBPACK_IMPORTED_MODULE_0__.of)(res);
        }
    }
    /**
     * Returns a stream of translated values of a key (or an array of keys) which updates
     * whenever the translation changes.
     * @param {?} key
     * @param {?=} interpolateParams
     * @return {?} A stream of the translated key, or an object of translated keys
     */
    getStreamOnTranslationChange(key, interpolateParams) {
        if (!isDefined(key) || !key.length) {
            throw new Error(`Parameter "key" required`);
        }
        return (0,rxjs__WEBPACK_IMPORTED_MODULE_8__.concat)((0,rxjs__WEBPACK_IMPORTED_MODULE_9__.defer)((/**
         * @return {?}
         */
        () => this.get(key, interpolateParams))), this.onTranslationChange.pipe((0,rxjs_operators__WEBPACK_IMPORTED_MODULE_10__.switchMap)((/**
         * @param {?} event
         * @return {?}
         */
        (event) => {
            /** @type {?} */
            const res = this.getParsedResult(event.translations, key, interpolateParams);
            if (typeof res.subscribe === 'function') {
                return res;
            }
            else {
                return (0,rxjs__WEBPACK_IMPORTED_MODULE_0__.of)(res);
            }
        }))));
    }
    /**
     * Returns a stream of translated values of a key (or an array of keys) which updates
     * whenever the language changes.
     * @param {?} key
     * @param {?=} interpolateParams
     * @return {?} A stream of the translated key, or an object of translated keys
     */
    stream(key, interpolateParams) {
        if (!isDefined(key) || !key.length) {
            throw new Error(`Parameter "key" required`);
        }
        return (0,rxjs__WEBPACK_IMPORTED_MODULE_8__.concat)((0,rxjs__WEBPACK_IMPORTED_MODULE_9__.defer)((/**
         * @return {?}
         */
        () => this.get(key, interpolateParams))), this.onLangChange.pipe((0,rxjs_operators__WEBPACK_IMPORTED_MODULE_10__.switchMap)((/**
         * @param {?} event
         * @return {?}
         */
        (event) => {
            /** @type {?} */
            const res = this.getParsedResult(event.translations, key, interpolateParams);
            return (0,rxjs__WEBPACK_IMPORTED_MODULE_5__.isObservable)(res) ? res : (0,rxjs__WEBPACK_IMPORTED_MODULE_0__.of)(res);
        }))));
    }
    /**
     * Returns a translation instantly from the internal state of loaded translation.
     * All rules regarding the current language, the preferred language of even fallback languages will be used except any promise handling.
     * @param {?} key
     * @param {?=} interpolateParams
     * @return {?}
     */
    instant(key, interpolateParams) {
        if (!isDefined(key) || !key.length) {
            throw new Error(`Parameter "key" required`);
        }
        /** @type {?} */
        let res = this.getParsedResult(this.translations[this.currentLang], key, interpolateParams);
        if ((0,rxjs__WEBPACK_IMPORTED_MODULE_5__.isObservable)(res)) {
            if (key instanceof Array) {
                /** @type {?} */
                let obj = {};
                key.forEach((/**
                 * @param {?} value
                 * @param {?} index
                 * @return {?}
                 */
                (value, index) => {
                    obj[key[index]] = key[index];
                }));
                return obj;
            }
            return key;
        }
        else {
            return res;
        }
    }
    /**
     * Sets the translated value of a key, after compiling it
     * @param {?} key
     * @param {?} value
     * @param {?=} lang
     * @return {?}
     */
    set(key, value, lang = this.currentLang) {
        this.translations[lang][key] = this.compiler.compile(value, lang);
        this.updateLangs();
        this.onTranslationChange.emit({ lang: lang, translations: this.translations[lang] });
    }
    /**
     * Changes the current lang
     * @private
     * @param {?} lang
     * @return {?}
     */
    changeLang(lang) {
        this.currentLang = lang;
        this.onLangChange.emit({ lang: lang, translations: this.translations[lang] });
        // if there is no default lang, use the one that we just set
        if (this.defaultLang == null) {
            this.changeDefaultLang(lang);
        }
    }
    /**
     * Changes the default lang
     * @private
     * @param {?} lang
     * @return {?}
     */
    changeDefaultLang(lang) {
        this.defaultLang = lang;
        this.onDefaultLangChange.emit({ lang: lang, translations: this.translations[lang] });
    }
    /**
     * Allows to reload the lang file from the file
     * @param {?} lang
     * @return {?}
     */
    reloadLang(lang) {
        this.resetLang(lang);
        return this.getTranslation(lang);
    }
    /**
     * Deletes inner translation
     * @param {?} lang
     * @return {?}
     */
    resetLang(lang) {
        this._translationRequests[lang] = undefined;
        this.translations[lang] = undefined;
    }
    /**
     * Returns the language code name from the browser, e.g. "de"
     * @return {?}
     */
    getBrowserLang() {
        if (typeof window === 'undefined' || typeof window.navigator === 'undefined') {
            return undefined;
        }
        /** @type {?} */
        let browserLang = window.navigator.languages ? window.navigator.languages[0] : null;
        browserLang = browserLang || window.navigator.language || window.navigator.browserLanguage || window.navigator.userLanguage;
        if (typeof browserLang === 'undefined') {
            return undefined;
        }
        if (browserLang.indexOf('-') !== -1) {
            browserLang = browserLang.split('-')[0];
        }
        if (browserLang.indexOf('_') !== -1) {
            browserLang = browserLang.split('_')[0];
        }
        return browserLang;
    }
    /**
     * Returns the culture language code name from the browser, e.g. "de-DE"
     * @return {?}
     */
    getBrowserCultureLang() {
        if (typeof window === 'undefined' || typeof window.navigator === 'undefined') {
            return undefined;
        }
        /** @type {?} */
        let browserCultureLang = window.navigator.languages ? window.navigator.languages[0] : null;
        browserCultureLang = browserCultureLang || window.navigator.language || window.navigator.browserLanguage || window.navigator.userLanguage;
        return browserCultureLang;
    }
}
TranslateService.ɵfac = function TranslateService_Factory(t) { return new (t || TranslateService)(_angular_core__WEBPACK_IMPORTED_MODULE_1__["ɵɵinject"](TranslateStore), _angular_core__WEBPACK_IMPORTED_MODULE_1__["ɵɵinject"](TranslateLoader), _angular_core__WEBPACK_IMPORTED_MODULE_1__["ɵɵinject"](TranslateCompiler), _angular_core__WEBPACK_IMPORTED_MODULE_1__["ɵɵinject"](TranslateParser), _angular_core__WEBPACK_IMPORTED_MODULE_1__["ɵɵinject"](MissingTranslationHandler), _angular_core__WEBPACK_IMPORTED_MODULE_1__["ɵɵinject"](USE_DEFAULT_LANG), _angular_core__WEBPACK_IMPORTED_MODULE_1__["ɵɵinject"](USE_STORE), _angular_core__WEBPACK_IMPORTED_MODULE_1__["ɵɵinject"](USE_EXTEND), _angular_core__WEBPACK_IMPORTED_MODULE_1__["ɵɵinject"](DEFAULT_LANGUAGE)); };
TranslateService.ɵprov = /*@__PURE__*/ _angular_core__WEBPACK_IMPORTED_MODULE_1__["ɵɵdefineInjectable"]({ token: TranslateService, factory: TranslateService.ɵfac });
/** @nocollapse */
TranslateService.ctorParameters = () => [
    { type: TranslateStore },
    { type: TranslateLoader },
    { type: TranslateCompiler },
    { type: TranslateParser },
    { type: MissingTranslationHandler },
    { type: Boolean, decorators: [{ type: _angular_core__WEBPACK_IMPORTED_MODULE_1__.Inject, args: [USE_DEFAULT_LANG,] }] },
    { type: Boolean, decorators: [{ type: _angular_core__WEBPACK_IMPORTED_MODULE_1__.Inject, args: [USE_STORE,] }] },
    { type: Boolean, decorators: [{ type: _angular_core__WEBPACK_IMPORTED_MODULE_1__.Inject, args: [USE_EXTEND,] }] },
    { type: String, decorators: [{ type: _angular_core__WEBPACK_IMPORTED_MODULE_1__.Inject, args: [DEFAULT_LANGUAGE,] }] }
];
(function () { (typeof ngDevMode === "undefined" || ngDevMode) && _angular_core__WEBPACK_IMPORTED_MODULE_1__["ɵsetClassMetadata"](TranslateService, [{
        type: _angular_core__WEBPACK_IMPORTED_MODULE_1__.Injectable
    }], function () { return [{ type: TranslateStore }, { type: TranslateLoader }, { type: TranslateCompiler }, { type: TranslateParser }, { type: MissingTranslationHandler }, { type: Boolean, decorators: [{
                type: _angular_core__WEBPACK_IMPORTED_MODULE_1__.Inject,
                args: [USE_DEFAULT_LANG]
            }] }, { type: Boolean, decorators: [{
                type: _angular_core__WEBPACK_IMPORTED_MODULE_1__.Inject,
                args: [USE_STORE]
            }] }, { type: Boolean, decorators: [{
                type: _angular_core__WEBPACK_IMPORTED_MODULE_1__.Inject,
                args: [USE_EXTEND]
            }] }, { type: String, decorators: [{
                type: _angular_core__WEBPACK_IMPORTED_MODULE_1__.Inject,
                args: [DEFAULT_LANGUAGE]
            }] }]; }, null); })();
if (false) {}

/**
 * @fileoverview added by tsickle
 * Generated from: lib/translate.directive.ts
 * @suppress {checkTypes,constantProperty,extraRequire,missingOverride,missingReturn,unusedPrivateMembers,uselessCode} checked by tsc
 */
class TranslateDirective {
    /**
     * @param {?} translateService
     * @param {?} element
     * @param {?} _ref
     */
    constructor(translateService, element, _ref) {
        this.translateService = translateService;
        this.element = element;
        this._ref = _ref;
        // subscribe to onTranslationChange event, in case the translations of the current lang change
        if (!this.onTranslationChangeSub) {
            this.onTranslationChangeSub = this.translateService.onTranslationChange.subscribe((/**
             * @param {?} event
             * @return {?}
             */
            (event) => {
                if (event.lang === this.translateService.currentLang) {
                    this.checkNodes(true, event.translations);
                }
            }));
        }
        // subscribe to onLangChange event, in case the language changes
        if (!this.onLangChangeSub) {
            this.onLangChangeSub = this.translateService.onLangChange.subscribe((/**
             * @param {?} event
             * @return {?}
             */
            (event) => {
                this.checkNodes(true, event.translations);
            }));
        }
        // subscribe to onDefaultLangChange event, in case the default language changes
        if (!this.onDefaultLangChangeSub) {
            this.onDefaultLangChangeSub = this.translateService.onDefaultLangChange.subscribe((/**
             * @param {?} event
             * @return {?}
             */
            (event) => {
                this.checkNodes(true);
            }));
        }
    }
    /**
     * @param {?} key
     * @return {?}
     */
    set translate(key) {
        if (key) {
            this.key = key;
            this.checkNodes();
        }
    }
    /**
     * @param {?} params
     * @return {?}
     */
    set translateParams(params) {
        if (!equals(this.currentParams, params)) {
            this.currentParams = params;
            this.checkNodes(true);
        }
    }
    /**
     * @return {?}
     */
    ngAfterViewChecked() {
        this.checkNodes();
    }
    /**
     * @param {?=} forceUpdate
     * @param {?=} translations
     * @return {?}
     */
    checkNodes(forceUpdate = false, translations) {
        /** @type {?} */
        let nodes = this.element.nativeElement.childNodes;
        // if the element is empty
        if (!nodes.length) {
            // we add the key as content
            this.setContent(this.element.nativeElement, this.key);
            nodes = this.element.nativeElement.childNodes;
        }
        for (let i = 0; i < nodes.length; ++i) {
            /** @type {?} */
            let node = nodes[i];
            if (node.nodeType === 3) { // node type 3 is a text node
                // node type 3 is a text node
                /** @type {?} */
                let key;
                if (forceUpdate) {
                    node.lastKey = null;
                }
                if (isDefined(node.lookupKey)) {
                    key = node.lookupKey;
                }
                else if (this.key) {
                    key = this.key;
                }
                else {
                    /** @type {?} */
                    let content = this.getContent(node);
                    /** @type {?} */
                    let trimmedContent = content.trim();
                    if (trimmedContent.length) {
                        node.lookupKey = trimmedContent;
                        // we want to use the content as a key, not the translation value
                        if (content !== node.currentValue) {
                            key = trimmedContent;
                            // the content was changed from the user, we'll use it as a reference if needed
                            node.originalContent = content || node.originalContent;
                        }
                        else if (node.originalContent) { // the content seems ok, but the lang has changed
                            // the current content is the translation, not the key, use the last real content as key
                            key = node.originalContent.trim();
                        }
                        else if (content !== node.currentValue) {
                            // we want to use the content as a key, not the translation value
                            key = trimmedContent;
                            // the content was changed from the user, we'll use it as a reference if needed
                            node.originalContent = content || node.originalContent;
                        }
                    }
                }
                this.updateValue(key, node, translations);
            }
        }
    }
    /**
     * @param {?} key
     * @param {?} node
     * @param {?} translations
     * @return {?}
     */
    updateValue(key, node, translations) {
        if (key) {
            if (node.lastKey === key && this.lastParams === this.currentParams) {
                return;
            }
            this.lastParams = this.currentParams;
            /** @type {?} */
            let onTranslation = (/**
             * @param {?} res
             * @return {?}
             */
            (res) => {
                if (res !== key) {
                    node.lastKey = key;
                }
                if (!node.originalContent) {
                    node.originalContent = this.getContent(node);
                }
                node.currentValue = isDefined(res) ? res : (node.originalContent || key);
                // we replace in the original content to preserve spaces that we might have trimmed
                this.setContent(node, this.key ? node.currentValue : node.originalContent.replace(key, node.currentValue));
                this._ref.markForCheck();
            });
            if (isDefined(translations)) {
                /** @type {?} */
                let res = this.translateService.getParsedResult(translations, key, this.currentParams);
                if ((0,rxjs__WEBPACK_IMPORTED_MODULE_5__.isObservable)(res)) {
                    res.subscribe(onTranslation);
                }
                else {
                    onTranslation(res);
                }
            }
            else {
                this.translateService.get(key, this.currentParams).subscribe(onTranslation);
            }
        }
    }
    /**
     * @param {?} node
     * @return {?}
     */
    getContent(node) {
        return isDefined(node.textContent) ? node.textContent : node.data;
    }
    /**
     * @param {?} node
     * @param {?} content
     * @return {?}
     */
    setContent(node, content) {
        if (isDefined(node.textContent)) {
            node.textContent = content;
        }
        else {
            node.data = content;
        }
    }
    /**
     * @return {?}
     */
    ngOnDestroy() {
        if (this.onLangChangeSub) {
            this.onLangChangeSub.unsubscribe();
        }
        if (this.onDefaultLangChangeSub) {
            this.onDefaultLangChangeSub.unsubscribe();
        }
        if (this.onTranslationChangeSub) {
            this.onTranslationChangeSub.unsubscribe();
        }
    }
}
TranslateDirective.ɵfac = function TranslateDirective_Factory(t) { return new (t || TranslateDirective)(_angular_core__WEBPACK_IMPORTED_MODULE_1__["ɵɵdirectiveInject"](TranslateService), _angular_core__WEBPACK_IMPORTED_MODULE_1__["ɵɵdirectiveInject"](_angular_core__WEBPACK_IMPORTED_MODULE_1__.ElementRef), _angular_core__WEBPACK_IMPORTED_MODULE_1__["ɵɵdirectiveInject"](_angular_core__WEBPACK_IMPORTED_MODULE_1__.ChangeDetectorRef)); };
TranslateDirective.ɵdir = /*@__PURE__*/ _angular_core__WEBPACK_IMPORTED_MODULE_1__["ɵɵdefineDirective"]({ type: TranslateDirective, selectors: [["", "translate", ""], ["", "ngx-translate", ""]], inputs: { translate: "translate", translateParams: "translateParams" } });
/** @nocollapse */
TranslateDirective.ctorParameters = () => [
    { type: TranslateService },
    { type: _angular_core__WEBPACK_IMPORTED_MODULE_1__.ElementRef },
    { type: _angular_core__WEBPACK_IMPORTED_MODULE_1__.ChangeDetectorRef }
];
TranslateDirective.propDecorators = {
    translate: [{ type: _angular_core__WEBPACK_IMPORTED_MODULE_1__.Input }],
    translateParams: [{ type: _angular_core__WEBPACK_IMPORTED_MODULE_1__.Input }]
};
(function () { (typeof ngDevMode === "undefined" || ngDevMode) && _angular_core__WEBPACK_IMPORTED_MODULE_1__["ɵsetClassMetadata"](TranslateDirective, [{
        type: _angular_core__WEBPACK_IMPORTED_MODULE_1__.Directive,
        args: [{
                selector: '[translate],[ngx-translate]'
            }]
    }], function () { return [{ type: TranslateService }, { type: _angular_core__WEBPACK_IMPORTED_MODULE_1__.ElementRef }, { type: _angular_core__WEBPACK_IMPORTED_MODULE_1__.ChangeDetectorRef }]; }, { translate: [{
            type: _angular_core__WEBPACK_IMPORTED_MODULE_1__.Input
        }], translateParams: [{
            type: _angular_core__WEBPACK_IMPORTED_MODULE_1__.Input
        }] }); })();
if (false) {}

/**
 * @fileoverview added by tsickle
 * Generated from: lib/translate.pipe.ts
 * @suppress {checkTypes,constantProperty,extraRequire,missingOverride,missingReturn,unusedPrivateMembers,uselessCode} checked by tsc
 */
class TranslatePipe {
    /**
     * @param {?} translate
     * @param {?} _ref
     */
    constructor(translate, _ref) {
        this.translate = translate;
        this._ref = _ref;
        this.value = '';
    }
    /**
     * @param {?} key
     * @param {?=} interpolateParams
     * @param {?=} translations
     * @return {?}
     */
    updateValue(key, interpolateParams, translations) {
        /** @type {?} */
        let onTranslation = (/**
         * @param {?} res
         * @return {?}
         */
        (res) => {
            this.value = res !== undefined ? res : key;
            this.lastKey = key;
            this._ref.markForCheck();
        });
        if (translations) {
            /** @type {?} */
            let res = this.translate.getParsedResult(translations, key, interpolateParams);
            if ((0,rxjs__WEBPACK_IMPORTED_MODULE_5__.isObservable)(res.subscribe)) {
                res.subscribe(onTranslation);
            }
            else {
                onTranslation(res);
            }
        }
        this.translate.get(key, interpolateParams).subscribe(onTranslation);
    }
    /**
     * @param {?} query
     * @param {...?} args
     * @return {?}
     */
    transform(query, ...args) {
        if (!query || !query.length) {
            return query;
        }
        // if we ask another time for the same key, return the last value
        if (equals(query, this.lastKey) && equals(args, this.lastParams)) {
            return this.value;
        }
        /** @type {?} */
        let interpolateParams;
        if (isDefined(args[0]) && args.length) {
            if (typeof args[0] === 'string' && args[0].length) {
                // we accept objects written in the template such as {n:1}, {'n':1}, {n:'v'}
                // which is why we might need to change it to real JSON objects such as {"n":1} or {"n":"v"}
                /** @type {?} */
                let validArgs = args[0]
                    .replace(/(\')?([a-zA-Z0-9_]+)(\')?(\s)?:/g, '"$2":')
                    .replace(/:(\s)?(\')(.*?)(\')/g, ':"$3"');
                try {
                    interpolateParams = JSON.parse(validArgs);
                }
                catch (e) {
                    throw new SyntaxError(`Wrong parameter in TranslatePipe. Expected a valid Object, received: ${args[0]}`);
                }
            }
            else if (typeof args[0] === 'object' && !Array.isArray(args[0])) {
                interpolateParams = args[0];
            }
        }
        // store the query, in case it changes
        this.lastKey = query;
        // store the params, in case they change
        this.lastParams = args;
        // set the value
        this.updateValue(query, interpolateParams);
        // if there is a subscription to onLangChange, clean it
        this._dispose();
        // subscribe to onTranslationChange event, in case the translations change
        if (!this.onTranslationChange) {
            this.onTranslationChange = this.translate.onTranslationChange.subscribe((/**
             * @param {?} event
             * @return {?}
             */
            (event) => {
                if (this.lastKey && event.lang === this.translate.currentLang) {
                    this.lastKey = null;
                    this.updateValue(query, interpolateParams, event.translations);
                }
            }));
        }
        // subscribe to onLangChange event, in case the language changes
        if (!this.onLangChange) {
            this.onLangChange = this.translate.onLangChange.subscribe((/**
             * @param {?} event
             * @return {?}
             */
            (event) => {
                if (this.lastKey) {
                    this.lastKey = null; // we want to make sure it doesn't return the same value until it's been updated
                    this.updateValue(query, interpolateParams, event.translations);
                }
            }));
        }
        // subscribe to onDefaultLangChange event, in case the default language changes
        if (!this.onDefaultLangChange) {
            this.onDefaultLangChange = this.translate.onDefaultLangChange.subscribe((/**
             * @return {?}
             */
            () => {
                if (this.lastKey) {
                    this.lastKey = null; // we want to make sure it doesn't return the same value until it's been updated
                    this.updateValue(query, interpolateParams);
                }
            }));
        }
        return this.value;
    }
    /**
     * Clean any existing subscription to change events
     * @private
     * @return {?}
     */
    _dispose() {
        if (typeof this.onTranslationChange !== 'undefined') {
            this.onTranslationChange.unsubscribe();
            this.onTranslationChange = undefined;
        }
        if (typeof this.onLangChange !== 'undefined') {
            this.onLangChange.unsubscribe();
            this.onLangChange = undefined;
        }
        if (typeof this.onDefaultLangChange !== 'undefined') {
            this.onDefaultLangChange.unsubscribe();
            this.onDefaultLangChange = undefined;
        }
    }
    /**
     * @return {?}
     */
    ngOnDestroy() {
        this._dispose();
    }
}
TranslatePipe.ɵfac = function TranslatePipe_Factory(t) { return new (t || TranslatePipe)(_angular_core__WEBPACK_IMPORTED_MODULE_1__["ɵɵdirectiveInject"](TranslateService, 16), _angular_core__WEBPACK_IMPORTED_MODULE_1__["ɵɵdirectiveInject"](_angular_core__WEBPACK_IMPORTED_MODULE_1__.ChangeDetectorRef, 16)); };
TranslatePipe.ɵpipe = /*@__PURE__*/ _angular_core__WEBPACK_IMPORTED_MODULE_1__["ɵɵdefinePipe"]({ name: "translate", type: TranslatePipe, pure: false });
TranslatePipe.ɵprov = /*@__PURE__*/ _angular_core__WEBPACK_IMPORTED_MODULE_1__["ɵɵdefineInjectable"]({ token: TranslatePipe, factory: TranslatePipe.ɵfac });
/** @nocollapse */
TranslatePipe.ctorParameters = () => [
    { type: TranslateService },
    { type: _angular_core__WEBPACK_IMPORTED_MODULE_1__.ChangeDetectorRef }
];
(function () { (typeof ngDevMode === "undefined" || ngDevMode) && _angular_core__WEBPACK_IMPORTED_MODULE_1__["ɵsetClassMetadata"](TranslatePipe, [{
        type: _angular_core__WEBPACK_IMPORTED_MODULE_1__.Injectable
    }, {
        type: _angular_core__WEBPACK_IMPORTED_MODULE_1__.Pipe,
        args: [{
                name: 'translate',
                pure: false // required to update the value when the promise is resolved
            }]
    }], function () { return [{ type: TranslateService }, { type: _angular_core__WEBPACK_IMPORTED_MODULE_1__.ChangeDetectorRef }]; }, null); })();
if (false) {}

/**
 * @fileoverview added by tsickle
 * Generated from: public_api.ts
 * @suppress {checkTypes,constantProperty,extraRequire,missingOverride,missingReturn,unusedPrivateMembers,uselessCode} checked by tsc
 */
/**
 * @record
 */
function TranslateModuleConfig() { }
if (false) {}
class TranslateModule {
    /**
     * Use this method in your root module to provide the TranslateService
     * @param {?=} config
     * @return {?}
     */
    static forRoot(config = {}) {
        return {
            ngModule: TranslateModule,
            providers: [
                config.loader || { provide: TranslateLoader, useClass: TranslateFakeLoader },
                config.compiler || { provide: TranslateCompiler, useClass: TranslateFakeCompiler },
                config.parser || { provide: TranslateParser, useClass: TranslateDefaultParser },
                config.missingTranslationHandler || { provide: MissingTranslationHandler, useClass: FakeMissingTranslationHandler },
                TranslateStore,
                { provide: USE_STORE, useValue: config.isolate },
                { provide: USE_DEFAULT_LANG, useValue: config.useDefaultLang },
                { provide: USE_EXTEND, useValue: config.extend },
                { provide: DEFAULT_LANGUAGE, useValue: config.defaultLanguage },
                TranslateService
            ]
        };
    }
    /**
     * Use this method in your other (non root) modules to import the directive/pipe
     * @param {?=} config
     * @return {?}
     */
    static forChild(config = {}) {
        return {
            ngModule: TranslateModule,
            providers: [
                config.loader || { provide: TranslateLoader, useClass: TranslateFakeLoader },
                config.compiler || { provide: TranslateCompiler, useClass: TranslateFakeCompiler },
                config.parser || { provide: TranslateParser, useClass: TranslateDefaultParser },
                config.missingTranslationHandler || { provide: MissingTranslationHandler, useClass: FakeMissingTranslationHandler },
                { provide: USE_STORE, useValue: config.isolate },
                { provide: USE_DEFAULT_LANG, useValue: config.useDefaultLang },
                { provide: USE_EXTEND, useValue: config.extend },
                { provide: DEFAULT_LANGUAGE, useValue: config.defaultLanguage },
                TranslateService
            ]
        };
    }
}
TranslateModule.ɵfac = function TranslateModule_Factory(t) { return new (t || TranslateModule)(); };
TranslateModule.ɵmod = /*@__PURE__*/ _angular_core__WEBPACK_IMPORTED_MODULE_1__["ɵɵdefineNgModule"]({ type: TranslateModule });
TranslateModule.ɵinj = /*@__PURE__*/ _angular_core__WEBPACK_IMPORTED_MODULE_1__["ɵɵdefineInjector"]({});
(function () { (typeof ngDevMode === "undefined" || ngDevMode) && _angular_core__WEBPACK_IMPORTED_MODULE_1__["ɵsetClassMetadata"](TranslateModule, [{
        type: _angular_core__WEBPACK_IMPORTED_MODULE_1__.NgModule,
        args: [{
                declarations: [
                    TranslatePipe,
                    TranslateDirective
                ],
                exports: [
                    TranslatePipe,
                    TranslateDirective
                ]
            }]
    }], null, null); })();
(function () { (typeof ngJitMode === "undefined" || ngJitMode) && _angular_core__WEBPACK_IMPORTED_MODULE_1__["ɵɵsetNgModuleScope"](TranslateModule, { declarations: [TranslatePipe, TranslateDirective], exports: [TranslatePipe, TranslateDirective] }); })();

/**
 * @fileoverview added by tsickle
 * Generated from: ngx-translate-core.ts
 * @suppress {checkTypes,constantProperty,extraRequire,missingOverride,missingReturn,unusedPrivateMembers,uselessCode} checked by tsc
 */



//# sourceMappingURL=ngx-translate-core.js.map

/***/ }),

/***/ 2472:
/*!****************************************************************************************************!*\
  !*** ./node_modules/@ngx-translate/http-loader/__ivy_ngcc__/fesm2015/ngx-translate-http-loader.js ***!
  \****************************************************************************************************/
/***/ ((__unused_webpack_module, __webpack_exports__, __webpack_require__) => {

"use strict";
__webpack_require__.r(__webpack_exports__);
/* harmony export */ __webpack_require__.d(__webpack_exports__, {
/* harmony export */   "TranslateHttpLoader": () => (/* binding */ TranslateHttpLoader)
/* harmony export */ });
class TranslateHttpLoader {
    constructor(http, prefix = "/assets/i18n/", suffix = ".json") {
        this.http = http;
        this.prefix = prefix;
        this.suffix = suffix;
    }
    /**
     * Gets the translations from the server
     */
    getTranslation(lang) {
        return this.http.get(`${this.prefix}${lang}${this.suffix}`);
    }
}

/**
 * Generated bundle index. Do not edit.
 */



//# sourceMappingURL=ngx-translate-http-loader.js.map

/***/ }),

/***/ 5223:
/*!*********************************************************************************!*\
  !*** ./node_modules/@teamhive/capacitor-video-recorder/dist/esm/definitions.js ***!
  \*********************************************************************************/
/***/ ((__unused_webpack_module, __webpack_exports__, __webpack_require__) => {

"use strict";
__webpack_require__.r(__webpack_exports__);
/* harmony export */ __webpack_require__.d(__webpack_exports__, {
/* harmony export */   "VideoRecorderErrors": () => (/* binding */ VideoRecorderErrors),
/* harmony export */   "VideoRecorderCamera": () => (/* binding */ VideoRecorderCamera),
/* harmony export */   "VideoRecorderQuality": () => (/* binding */ VideoRecorderQuality)
/* harmony export */ });
const VideoRecorderErrors = {
    CAMERA_RESTRICTED: 'Camera access restricted',
    CAMERA_DENIED: 'Camera access denied',
    MICROPHONE_RESTRICTED: 'Microphone access restricted',
    MICROPHONE_DENIED: 'Microphone access denied'
};
var VideoRecorderCamera;
(function (VideoRecorderCamera) {
    VideoRecorderCamera[VideoRecorderCamera["FRONT"] = 0] = "FRONT";
    VideoRecorderCamera[VideoRecorderCamera["BACK"] = 1] = "BACK";
})(VideoRecorderCamera || (VideoRecorderCamera = {}));
var VideoRecorderQuality;
(function (VideoRecorderQuality) {
    VideoRecorderQuality[VideoRecorderQuality["MAX_480P"] = 0] = "MAX_480P";
    VideoRecorderQuality[VideoRecorderQuality["MAX_720P"] = 1] = "MAX_720P";
    VideoRecorderQuality[VideoRecorderQuality["MAX_1080P"] = 2] = "MAX_1080P";
    VideoRecorderQuality[VideoRecorderQuality["MAX_2160P"] = 3] = "MAX_2160P";
    VideoRecorderQuality[VideoRecorderQuality["HIGHEST"] = 4] = "HIGHEST";
    VideoRecorderQuality[VideoRecorderQuality["LOWEST"] = 5] = "LOWEST";
    VideoRecorderQuality[VideoRecorderQuality["QVGA"] = 6] = "QVGA";
})(VideoRecorderQuality || (VideoRecorderQuality = {}));
//# sourceMappingURL=definitions.js.map

/***/ }),

/***/ 7913:
/*!***************************************************************************!*\
  !*** ./node_modules/@teamhive/capacitor-video-recorder/dist/esm/index.js ***!
  \***************************************************************************/
/***/ ((__unused_webpack_module, __webpack_exports__, __webpack_require__) => {

"use strict";
__webpack_require__.r(__webpack_exports__);
/* harmony export */ __webpack_require__.d(__webpack_exports__, {
/* harmony export */   "VideoRecorderCamera": () => (/* reexport safe */ _definitions__WEBPACK_IMPORTED_MODULE_1__.VideoRecorderCamera),
/* harmony export */   "VideoRecorderErrors": () => (/* reexport safe */ _definitions__WEBPACK_IMPORTED_MODULE_1__.VideoRecorderErrors),
/* harmony export */   "VideoRecorderQuality": () => (/* reexport safe */ _definitions__WEBPACK_IMPORTED_MODULE_1__.VideoRecorderQuality),
/* harmony export */   "VideoRecorder": () => (/* binding */ VideoRecorder)
/* harmony export */ });
/* harmony import */ var _capacitor_core__WEBPACK_IMPORTED_MODULE_0__ = __webpack_require__(/*! @capacitor/core */ 8384);
/* harmony import */ var _definitions__WEBPACK_IMPORTED_MODULE_1__ = __webpack_require__(/*! ./definitions */ 5223);

const VideoRecorder = (0,_capacitor_core__WEBPACK_IMPORTED_MODULE_0__.registerPlugin)('VideoRecorder', {
    web: () => __webpack_require__.e(/*! import() */ "node_modules_teamhive_capacitor-video-recorder_dist_esm_web_js").then(__webpack_require__.bind(__webpack_require__, /*! ./web */ 8678)).then(m => new m.VideoRecorderWeb()),
});


//# sourceMappingURL=index.js.map

/***/ }),

/***/ 3815:
/*!***************************************!*\
  !*** ./node_modules/lodash/lodash.js ***!
  \***************************************/
/***/ (function(module, exports, __webpack_require__) {

/* module decorator */ module = __webpack_require__.nmd(module);
var __WEBPACK_AMD_DEFINE_RESULT__;/**
 * @license
 * Lodash <https://lodash.com/>
 * Copyright OpenJS Foundation and other contributors <https://openjsf.org/>
 * Released under MIT license <https://lodash.com/license>
 * Based on Underscore.js 1.8.3 <http://underscorejs.org/LICENSE>
 * Copyright Jeremy Ashkenas, DocumentCloud and Investigative Reporters & Editors
 */
;(function() {

  /** Used as a safe reference for `undefined` in pre-ES5 environments. */
  var undefined;

  /** Used as the semantic version number. */
  var VERSION = '4.17.21';

  /** Used as the size to enable large array optimizations. */
  var LARGE_ARRAY_SIZE = 200;

  /** Error message constants. */
  var CORE_ERROR_TEXT = 'Unsupported core-js use. Try https://npms.io/search?q=ponyfill.',
      FUNC_ERROR_TEXT = 'Expected a function',
      INVALID_TEMPL_VAR_ERROR_TEXT = 'Invalid `variable` option passed into `_.template`';

  /** Used to stand-in for `undefined` hash values. */
  var HASH_UNDEFINED = '__lodash_hash_undefined__';

  /** Used as the maximum memoize cache size. */
  var MAX_MEMOIZE_SIZE = 500;

  /** Used as the internal argument placeholder. */
  var PLACEHOLDER = '__lodash_placeholder__';

  /** Used to compose bitmasks for cloning. */
  var CLONE_DEEP_FLAG = 1,
      CLONE_FLAT_FLAG = 2,
      CLONE_SYMBOLS_FLAG = 4;

  /** Used to compose bitmasks for value comparisons. */
  var COMPARE_PARTIAL_FLAG = 1,
      COMPARE_UNORDERED_FLAG = 2;

  /** Used to compose bitmasks for function metadata. */
  var WRAP_BIND_FLAG = 1,
      WRAP_BIND_KEY_FLAG = 2,
      WRAP_CURRY_BOUND_FLAG = 4,
      WRAP_CURRY_FLAG = 8,
      WRAP_CURRY_RIGHT_FLAG = 16,
      WRAP_PARTIAL_FLAG = 32,
      WRAP_PARTIAL_RIGHT_FLAG = 64,
      WRAP_ARY_FLAG = 128,
      WRAP_REARG_FLAG = 256,
      WRAP_FLIP_FLAG = 512;

  /** Used as default options for `_.truncate`. */
  var DEFAULT_TRUNC_LENGTH = 30,
      DEFAULT_TRUNC_OMISSION = '...';

  /** Used to detect hot functions by number of calls within a span of milliseconds. */
  var HOT_COUNT = 800,
      HOT_SPAN = 16;

  /** Used to indicate the type of lazy iteratees. */
  var LAZY_FILTER_FLAG = 1,
      LAZY_MAP_FLAG = 2,
      LAZY_WHILE_FLAG = 3;

  /** Used as references for various `Number` constants. */
  var INFINITY = 1 / 0,
      MAX_SAFE_INTEGER = 9007199254740991,
      MAX_INTEGER = 1.7976931348623157e+308,
      NAN = 0 / 0;

  /** Used as references for the maximum length and index of an array. */
  var MAX_ARRAY_LENGTH = 4294967295,
      MAX_ARRAY_INDEX = MAX_ARRAY_LENGTH - 1,
      HALF_MAX_ARRAY_LENGTH = MAX_ARRAY_LENGTH >>> 1;

  /** Used to associate wrap methods with their bit flags. */
  var wrapFlags = [
    ['ary', WRAP_ARY_FLAG],
    ['bind', WRAP_BIND_FLAG],
    ['bindKey', WRAP_BIND_KEY_FLAG],
    ['curry', WRAP_CURRY_FLAG],
    ['curryRight', WRAP_CURRY_RIGHT_FLAG],
    ['flip', WRAP_FLIP_FLAG],
    ['partial', WRAP_PARTIAL_FLAG],
    ['partialRight', WRAP_PARTIAL_RIGHT_FLAG],
    ['rearg', WRAP_REARG_FLAG]
  ];

  /** `Object#toString` result references. */
  var argsTag = '[object Arguments]',
      arrayTag = '[object Array]',
      asyncTag = '[object AsyncFunction]',
      boolTag = '[object Boolean]',
      dateTag = '[object Date]',
      domExcTag = '[object DOMException]',
      errorTag = '[object Error]',
      funcTag = '[object Function]',
      genTag = '[object GeneratorFunction]',
      mapTag = '[object Map]',
      numberTag = '[object Number]',
      nullTag = '[object Null]',
      objectTag = '[object Object]',
      promiseTag = '[object Promise]',
      proxyTag = '[object Proxy]',
      regexpTag = '[object RegExp]',
      setTag = '[object Set]',
      stringTag = '[object String]',
      symbolTag = '[object Symbol]',
      undefinedTag = '[object Undefined]',
      weakMapTag = '[object WeakMap]',
      weakSetTag = '[object WeakSet]';

  var arrayBufferTag = '[object ArrayBuffer]',
      dataViewTag = '[object DataView]',
      float32Tag = '[object Float32Array]',
      float64Tag = '[object Float64Array]',
      int8Tag = '[object Int8Array]',
      int16Tag = '[object Int16Array]',
      int32Tag = '[object Int32Array]',
      uint8Tag = '[object Uint8Array]',
      uint8ClampedTag = '[object Uint8ClampedArray]',
      uint16Tag = '[object Uint16Array]',
      uint32Tag = '[object Uint32Array]';

  /** Used to match empty string literals in compiled template source. */
  var reEmptyStringLeading = /\b__p \+= '';/g,
      reEmptyStringMiddle = /\b(__p \+=) '' \+/g,
      reEmptyStringTrailing = /(__e\(.*?\)|\b__t\)) \+\n'';/g;

  /** Used to match HTML entities and HTML characters. */
  var reEscapedHtml = /&(?:amp|lt|gt|quot|#39);/g,
      reUnescapedHtml = /[&<>"']/g,
      reHasEscapedHtml = RegExp(reEscapedHtml.source),
      reHasUnescapedHtml = RegExp(reUnescapedHtml.source);

  /** Used to match template delimiters. */
  var reEscape = /<%-([\s\S]+?)%>/g,
      reEvaluate = /<%([\s\S]+?)%>/g,
      reInterpolate = /<%=([\s\S]+?)%>/g;

  /** Used to match property names within property paths. */
  var reIsDeepProp = /\.|\[(?:[^[\]]*|(["'])(?:(?!\1)[^\\]|\\.)*?\1)\]/,
      reIsPlainProp = /^\w*$/,
      rePropName = /[^.[\]]+|\[(?:(-?\d+(?:\.\d+)?)|(["'])((?:(?!\2)[^\\]|\\.)*?)\2)\]|(?=(?:\.|\[\])(?:\.|\[\]|$))/g;

  /**
   * Used to match `RegExp`
   * [syntax characters](http://ecma-international.org/ecma-262/7.0/#sec-patterns).
   */
  var reRegExpChar = /[\\^$.*+?()[\]{}|]/g,
      reHasRegExpChar = RegExp(reRegExpChar.source);

  /** Used to match leading whitespace. */
  var reTrimStart = /^\s+/;

  /** Used to match a single whitespace character. */
  var reWhitespace = /\s/;

  /** Used to match wrap detail comments. */
  var reWrapComment = /\{(?:\n\/\* \[wrapped with .+\] \*\/)?\n?/,
      reWrapDetails = /\{\n\/\* \[wrapped with (.+)\] \*/,
      reSplitDetails = /,? & /;

  /** Used to match words composed of alphanumeric characters. */
  var reAsciiWord = /[^\x00-\x2f\x3a-\x40\x5b-\x60\x7b-\x7f]+/g;

  /**
   * Used to validate the `validate` option in `_.template` variable.
   *
   * Forbids characters which could potentially change the meaning of the function argument definition:
   * - "()," (modification of function parameters)
   * - "=" (default value)
   * - "[]{}" (destructuring of function parameters)
   * - "/" (beginning of a comment)
   * - whitespace
   */
  var reForbiddenIdentifierChars = /[()=,{}\[\]\/\s]/;

  /** Used to match backslashes in property paths. */
  var reEscapeChar = /\\(\\)?/g;

  /**
   * Used to match
   * [ES template delimiters](http://ecma-international.org/ecma-262/7.0/#sec-template-literal-lexical-components).
   */
  var reEsTemplate = /\$\{([^\\}]*(?:\\.[^\\}]*)*)\}/g;

  /** Used to match `RegExp` flags from their coerced string values. */
  var reFlags = /\w*$/;

  /** Used to detect bad signed hexadecimal string values. */
  var reIsBadHex = /^[-+]0x[0-9a-f]+$/i;

  /** Used to detect binary string values. */
  var reIsBinary = /^0b[01]+$/i;

  /** Used to detect host constructors (Safari). */
  var reIsHostCtor = /^\[object .+?Constructor\]$/;

  /** Used to detect octal string values. */
  var reIsOctal = /^0o[0-7]+$/i;

  /** Used to detect unsigned integer values. */
  var reIsUint = /^(?:0|[1-9]\d*)$/;

  /** Used to match Latin Unicode letters (excluding mathematical operators). */
  var reLatin = /[\xc0-\xd6\xd8-\xf6\xf8-\xff\u0100-\u017f]/g;

  /** Used to ensure capturing order of template delimiters. */
  var reNoMatch = /($^)/;

  /** Used to match unescaped characters in compiled string literals. */
  var reUnescapedString = /['\n\r\u2028\u2029\\]/g;

  /** Used to compose unicode character classes. */
  var rsAstralRange = '\\ud800-\\udfff',
      rsComboMarksRange = '\\u0300-\\u036f',
      reComboHalfMarksRange = '\\ufe20-\\ufe2f',
      rsComboSymbolsRange = '\\u20d0-\\u20ff',
      rsComboRange = rsComboMarksRange + reComboHalfMarksRange + rsComboSymbolsRange,
      rsDingbatRange = '\\u2700-\\u27bf',
      rsLowerRange = 'a-z\\xdf-\\xf6\\xf8-\\xff',
      rsMathOpRange = '\\xac\\xb1\\xd7\\xf7',
      rsNonCharRange = '\\x00-\\x2f\\x3a-\\x40\\x5b-\\x60\\x7b-\\xbf',
      rsPunctuationRange = '\\u2000-\\u206f',
      rsSpaceRange = ' \\t\\x0b\\f\\xa0\\ufeff\\n\\r\\u2028\\u2029\\u1680\\u180e\\u2000\\u2001\\u2002\\u2003\\u2004\\u2005\\u2006\\u2007\\u2008\\u2009\\u200a\\u202f\\u205f\\u3000',
      rsUpperRange = 'A-Z\\xc0-\\xd6\\xd8-\\xde',
      rsVarRange = '\\ufe0e\\ufe0f',
      rsBreakRange = rsMathOpRange + rsNonCharRange + rsPunctuationRange + rsSpaceRange;

  /** Used to compose unicode capture groups. */
  var rsApos = "['\u2019]",
      rsAstral = '[' + rsAstralRange + ']',
      rsBreak = '[' + rsBreakRange + ']',
      rsCombo = '[' + rsComboRange + ']',
      rsDigits = '\\d+',
      rsDingbat = '[' + rsDingbatRange + ']',
      rsLower = '[' + rsLowerRange + ']',
      rsMisc = '[^' + rsAstralRange + rsBreakRange + rsDigits + rsDingbatRange + rsLowerRange + rsUpperRange + ']',
      rsFitz = '\\ud83c[\\udffb-\\udfff]',
      rsModifier = '(?:' + rsCombo + '|' + rsFitz + ')',
      rsNonAstral = '[^' + rsAstralRange + ']',
      rsRegional = '(?:\\ud83c[\\udde6-\\uddff]){2}',
      rsSurrPair = '[\\ud800-\\udbff][\\udc00-\\udfff]',
      rsUpper = '[' + rsUpperRange + ']',
      rsZWJ = '\\u200d';

  /** Used to compose unicode regexes. */
  var rsMiscLower = '(?:' + rsLower + '|' + rsMisc + ')',
      rsMiscUpper = '(?:' + rsUpper + '|' + rsMisc + ')',
      rsOptContrLower = '(?:' + rsApos + '(?:d|ll|m|re|s|t|ve))?',
      rsOptContrUpper = '(?:' + rsApos + '(?:D|LL|M|RE|S|T|VE))?',
      reOptMod = rsModifier + '?',
      rsOptVar = '[' + rsVarRange + ']?',
      rsOptJoin = '(?:' + rsZWJ + '(?:' + [rsNonAstral, rsRegional, rsSurrPair].join('|') + ')' + rsOptVar + reOptMod + ')*',
      rsOrdLower = '\\d*(?:1st|2nd|3rd|(?![123])\\dth)(?=\\b|[A-Z_])',
      rsOrdUpper = '\\d*(?:1ST|2ND|3RD|(?![123])\\dTH)(?=\\b|[a-z_])',
      rsSeq = rsOptVar + reOptMod + rsOptJoin,
      rsEmoji = '(?:' + [rsDingbat, rsRegional, rsSurrPair].join('|') + ')' + rsSeq,
      rsSymbol = '(?:' + [rsNonAstral + rsCombo + '?', rsCombo, rsRegional, rsSurrPair, rsAstral].join('|') + ')';

  /** Used to match apostrophes. */
  var reApos = RegExp(rsApos, 'g');

  /**
   * Used to match [combining diacritical marks](https://en.wikipedia.org/wiki/Combining_Diacritical_Marks) and
   * [combining diacritical marks for symbols](https://en.wikipedia.org/wiki/Combining_Diacritical_Marks_for_Symbols).
   */
  var reComboMark = RegExp(rsCombo, 'g');

  /** Used to match [string symbols](https://mathiasbynens.be/notes/javascript-unicode). */
  var reUnicode = RegExp(rsFitz + '(?=' + rsFitz + ')|' + rsSymbol + rsSeq, 'g');

  /** Used to match complex or compound words. */
  var reUnicodeWord = RegExp([
    rsUpper + '?' + rsLower + '+' + rsOptContrLower + '(?=' + [rsBreak, rsUpper, '$'].join('|') + ')',
    rsMiscUpper + '+' + rsOptContrUpper + '(?=' + [rsBreak, rsUpper + rsMiscLower, '$'].join('|') + ')',
    rsUpper + '?' + rsMiscLower + '+' + rsOptContrLower,
    rsUpper + '+' + rsOptContrUpper,
    rsOrdUpper,
    rsOrdLower,
    rsDigits,
    rsEmoji
  ].join('|'), 'g');

  /** Used to detect strings with [zero-width joiners or code points from the astral planes](http://eev.ee/blog/2015/09/12/dark-corners-of-unicode/). */
  var reHasUnicode = RegExp('[' + rsZWJ + rsAstralRange  + rsComboRange + rsVarRange + ']');

  /** Used to detect strings that need a more robust regexp to match words. */
  var reHasUnicodeWord = /[a-z][A-Z]|[A-Z]{2}[a-z]|[0-9][a-zA-Z]|[a-zA-Z][0-9]|[^a-zA-Z0-9 ]/;

  /** Used to assign default `context` object properties. */
  var contextProps = [
    'Array', 'Buffer', 'DataView', 'Date', 'Error', 'Float32Array', 'Float64Array',
    'Function', 'Int8Array', 'Int16Array', 'Int32Array', 'Map', 'Math', 'Object',
    'Promise', 'RegExp', 'Set', 'String', 'Symbol', 'TypeError', 'Uint8Array',
    'Uint8ClampedArray', 'Uint16Array', 'Uint32Array', 'WeakMap',
    '_', 'clearTimeout', 'isFinite', 'parseInt', 'setTimeout'
  ];

  /** Used to make template sourceURLs easier to identify. */
  var templateCounter = -1;

  /** Used to identify `toStringTag` values of typed arrays. */
  var typedArrayTags = {};
  typedArrayTags[float32Tag] = typedArrayTags[float64Tag] =
  typedArrayTags[int8Tag] = typedArrayTags[int16Tag] =
  typedArrayTags[int32Tag] = typedArrayTags[uint8Tag] =
  typedArrayTags[uint8ClampedTag] = typedArrayTags[uint16Tag] =
  typedArrayTags[uint32Tag] = true;
  typedArrayTags[argsTag] = typedArrayTags[arrayTag] =
  typedArrayTags[arrayBufferTag] = typedArrayTags[boolTag] =
  typedArrayTags[dataViewTag] = typedArrayTags[dateTag] =
  typedArrayTags[errorTag] = typedArrayTags[funcTag] =
  typedArrayTags[mapTag] = typedArrayTags[numberTag] =
  typedArrayTags[objectTag] = typedArrayTags[regexpTag] =
  typedArrayTags[setTag] = typedArrayTags[stringTag] =
  typedArrayTags[weakMapTag] = false;

  /** Used to identify `toStringTag` values supported by `_.clone`. */
  var cloneableTags = {};
  cloneableTags[argsTag] = cloneableTags[arrayTag] =
  cloneableTags[arrayBufferTag] = cloneableTags[dataViewTag] =
  cloneableTags[boolTag] = cloneableTags[dateTag] =
  cloneableTags[float32Tag] = cloneableTags[float64Tag] =
  cloneableTags[int8Tag] = cloneableTags[int16Tag] =
  cloneableTags[int32Tag] = cloneableTags[mapTag] =
  cloneableTags[numberTag] = cloneableTags[objectTag] =
  cloneableTags[regexpTag] = cloneableTags[setTag] =
  cloneableTags[stringTag] = cloneableTags[symbolTag] =
  cloneableTags[uint8Tag] = cloneableTags[uint8ClampedTag] =
  cloneableTags[uint16Tag] = cloneableTags[uint32Tag] = true;
  cloneableTags[errorTag] = cloneableTags[funcTag] =
  cloneableTags[weakMapTag] = false;

  /** Used to map Latin Unicode letters to basic Latin letters. */
  var deburredLetters = {
    // Latin-1 Supplement block.
    '\xc0': 'A',  '\xc1': 'A', '\xc2': 'A', '\xc3': 'A', '\xc4': 'A', '\xc5': 'A',
    '\xe0': 'a',  '\xe1': 'a', '\xe2': 'a', '\xe3': 'a', '\xe4': 'a', '\xe5': 'a',
    '\xc7': 'C',  '\xe7': 'c',
    '\xd0': 'D',  '\xf0': 'd',
    '\xc8': 'E',  '\xc9': 'E', '\xca': 'E', '\xcb': 'E',
    '\xe8': 'e',  '\xe9': 'e', '\xea': 'e', '\xeb': 'e',
    '\xcc': 'I',  '\xcd': 'I', '\xce': 'I', '\xcf': 'I',
    '\xec': 'i',  '\xed': 'i', '\xee': 'i', '\xef': 'i',
    '\xd1': 'N',  '\xf1': 'n',
    '\xd2': 'O',  '\xd3': 'O', '\xd4': 'O', '\xd5': 'O', '\xd6': 'O', '\xd8': 'O',
    '\xf2': 'o',  '\xf3': 'o', '\xf4': 'o', '\xf5': 'o', '\xf6': 'o', '\xf8': 'o',
    '\xd9': 'U',  '\xda': 'U', '\xdb': 'U', '\xdc': 'U',
    '\xf9': 'u',  '\xfa': 'u', '\xfb': 'u', '\xfc': 'u',
    '\xdd': 'Y',  '\xfd': 'y', '\xff': 'y',
    '\xc6': 'Ae', '\xe6': 'ae',
    '\xde': 'Th', '\xfe': 'th',
    '\xdf': 'ss',
    // Latin Extended-A block.
    '\u0100': 'A',  '\u0102': 'A', '\u0104': 'A',
    '\u0101': 'a',  '\u0103': 'a', '\u0105': 'a',
    '\u0106': 'C',  '\u0108': 'C', '\u010a': 'C', '\u010c': 'C',
    '\u0107': 'c',  '\u0109': 'c', '\u010b': 'c', '\u010d': 'c',
    '\u010e': 'D',  '\u0110': 'D', '\u010f': 'd', '\u0111': 'd',
    '\u0112': 'E',  '\u0114': 'E', '\u0116': 'E', '\u0118': 'E', '\u011a': 'E',
    '\u0113': 'e',  '\u0115': 'e', '\u0117': 'e', '\u0119': 'e', '\u011b': 'e',
    '\u011c': 'G',  '\u011e': 'G', '\u0120': 'G', '\u0122': 'G',
    '\u011d': 'g',  '\u011f': 'g', '\u0121': 'g', '\u0123': 'g',
    '\u0124': 'H',  '\u0126': 'H', '\u0125': 'h', '\u0127': 'h',
    '\u0128': 'I',  '\u012a': 'I', '\u012c': 'I', '\u012e': 'I', '\u0130': 'I',
    '\u0129': 'i',  '\u012b': 'i', '\u012d': 'i', '\u012f': 'i', '\u0131': 'i',
    '\u0134': 'J',  '\u0135': 'j',
    '\u0136': 'K',  '\u0137': 'k', '\u0138': 'k',
    '\u0139': 'L',  '\u013b': 'L', '\u013d': 'L', '\u013f': 'L', '\u0141': 'L',
    '\u013a': 'l',  '\u013c': 'l', '\u013e': 'l', '\u0140': 'l', '\u0142': 'l',
    '\u0143': 'N',  '\u0145': 'N', '\u0147': 'N', '\u014a': 'N',
    '\u0144': 'n',  '\u0146': 'n', '\u0148': 'n', '\u014b': 'n',
    '\u014c': 'O',  '\u014e': 'O', '\u0150': 'O',
    '\u014d': 'o',  '\u014f': 'o', '\u0151': 'o',
    '\u0154': 'R',  '\u0156': 'R', '\u0158': 'R',
    '\u0155': 'r',  '\u0157': 'r', '\u0159': 'r',
    '\u015a': 'S',  '\u015c': 'S', '\u015e': 'S', '\u0160': 'S',
    '\u015b': 's',  '\u015d': 's', '\u015f': 's', '\u0161': 's',
    '\u0162': 'T',  '\u0164': 'T', '\u0166': 'T',
    '\u0163': 't',  '\u0165': 't', '\u0167': 't',
    '\u0168': 'U',  '\u016a': 'U', '\u016c': 'U', '\u016e': 'U', '\u0170': 'U', '\u0172': 'U',
    '\u0169': 'u',  '\u016b': 'u', '\u016d': 'u', '\u016f': 'u', '\u0171': 'u', '\u0173': 'u',
    '\u0174': 'W',  '\u0175': 'w',
    '\u0176': 'Y',  '\u0177': 'y', '\u0178': 'Y',
    '\u0179': 'Z',  '\u017b': 'Z', '\u017d': 'Z',
    '\u017a': 'z',  '\u017c': 'z', '\u017e': 'z',
    '\u0132': 'IJ', '\u0133': 'ij',
    '\u0152': 'Oe', '\u0153': 'oe',
    '\u0149': "'n", '\u017f': 's'
  };

  /** Used to map characters to HTML entities. */
  var htmlEscapes = {
    '&': '&amp;',
    '<': '&lt;',
    '>': '&gt;',
    '"': '&quot;',
    "'": '&#39;'
  };

  /** Used to map HTML entities to characters. */
  var htmlUnescapes = {
    '&amp;': '&',
    '&lt;': '<',
    '&gt;': '>',
    '&quot;': '"',
    '&#39;': "'"
  };

  /** Used to escape characters for inclusion in compiled string literals. */
  var stringEscapes = {
    '\\': '\\',
    "'": "'",
    '\n': 'n',
    '\r': 'r',
    '\u2028': 'u2028',
    '\u2029': 'u2029'
  };

  /** Built-in method references without a dependency on `root`. */
  var freeParseFloat = parseFloat,
      freeParseInt = parseInt;

  /** Detect free variable `global` from Node.js. */
  var freeGlobal = typeof global == 'object' && global && global.Object === Object && global;

  /** Detect free variable `self`. */
  var freeSelf = typeof self == 'object' && self && self.Object === Object && self;

  /** Used as a reference to the global object. */
  var root = freeGlobal || freeSelf || Function('return this')();

  /** Detect free variable `exports`. */
  var freeExports =  true && exports && !exports.nodeType && exports;

  /** Detect free variable `module`. */
  var freeModule = freeExports && "object" == 'object' && module && !module.nodeType && module;

  /** Detect the popular CommonJS extension `module.exports`. */
  var moduleExports = freeModule && freeModule.exports === freeExports;

  /** Detect free variable `process` from Node.js. */
  var freeProcess = moduleExports && freeGlobal.process;

  /** Used to access faster Node.js helpers. */
  var nodeUtil = (function() {
    try {
      // Use `util.types` for Node.js 10+.
      var types = freeModule && freeModule.require && freeModule.require('util').types;

      if (types) {
        return types;
      }

      // Legacy `process.binding('util')` for Node.js < 10.
      return freeProcess && freeProcess.binding && freeProcess.binding('util');
    } catch (e) {}
  }());

  /* Node.js helper references. */
  var nodeIsArrayBuffer = nodeUtil && nodeUtil.isArrayBuffer,
      nodeIsDate = nodeUtil && nodeUtil.isDate,
      nodeIsMap = nodeUtil && nodeUtil.isMap,
      nodeIsRegExp = nodeUtil && nodeUtil.isRegExp,
      nodeIsSet = nodeUtil && nodeUtil.isSet,
      nodeIsTypedArray = nodeUtil && nodeUtil.isTypedArray;

  /*--------------------------------------------------------------------------*/

  /**
   * A faster alternative to `Function#apply`, this function invokes `func`
   * with the `this` binding of `thisArg` and the arguments of `args`.
   *
   * @private
   * @param {Function} func The function to invoke.
   * @param {*} thisArg The `this` binding of `func`.
   * @param {Array} args The arguments to invoke `func` with.
   * @returns {*} Returns the result of `func`.
   */
  function apply(func, thisArg, args) {
    switch (args.length) {
      case 0: return func.call(thisArg);
      case 1: return func.call(thisArg, args[0]);
      case 2: return func.call(thisArg, args[0], args[1]);
      case 3: return func.call(thisArg, args[0], args[1], args[2]);
    }
    return func.apply(thisArg, args);
  }

  /**
   * A specialized version of `baseAggregator` for arrays.
   *
   * @private
   * @param {Array} [array] The array to iterate over.
   * @param {Function} setter The function to set `accumulator` values.
   * @param {Function} iteratee The iteratee to transform keys.
   * @param {Object} accumulator The initial aggregated object.
   * @returns {Function} Returns `accumulator`.
   */
  function arrayAggregator(array, setter, iteratee, accumulator) {
    var index = -1,
        length = array == null ? 0 : array.length;

    while (++index < length) {
      var value = array[index];
      setter(accumulator, value, iteratee(value), array);
    }
    return accumulator;
  }

  /**
   * A specialized version of `_.forEach` for arrays without support for
   * iteratee shorthands.
   *
   * @private
   * @param {Array} [array] The array to iterate over.
   * @param {Function} iteratee The function invoked per iteration.
   * @returns {Array} Returns `array`.
   */
  function arrayEach(array, iteratee) {
    var index = -1,
        length = array == null ? 0 : array.length;

    while (++index < length) {
      if (iteratee(array[index], index, array) === false) {
        break;
      }
    }
    return array;
  }

  /**
   * A specialized version of `_.forEachRight` for arrays without support for
   * iteratee shorthands.
   *
   * @private
   * @param {Array} [array] The array to iterate over.
   * @param {Function} iteratee The function invoked per iteration.
   * @returns {Array} Returns `array`.
   */
  function arrayEachRight(array, iteratee) {
    var length = array == null ? 0 : array.length;

    while (length--) {
      if (iteratee(array[length], length, array) === false) {
        break;
      }
    }
    return array;
  }

  /**
   * A specialized version of `_.every` for arrays without support for
   * iteratee shorthands.
   *
   * @private
   * @param {Array} [array] The array to iterate over.
   * @param {Function} predicate The function invoked per iteration.
   * @returns {boolean} Returns `true` if all elements pass the predicate check,
   *  else `false`.
   */
  function arrayEvery(array, predicate) {
    var index = -1,
        length = array == null ? 0 : array.length;

    while (++index < length) {
      if (!predicate(array[index], index, array)) {
        return false;
      }
    }
    return true;
  }

  /**
   * A specialized version of `_.filter` for arrays without support for
   * iteratee shorthands.
   *
   * @private
   * @param {Array} [array] The array to iterate over.
   * @param {Function} predicate The function invoked per iteration.
   * @returns {Array} Returns the new filtered array.
   */
  function arrayFilter(array, predicate) {
    var index = -1,
        length = array == null ? 0 : array.length,
        resIndex = 0,
        result = [];

    while (++index < length) {
      var value = array[index];
      if (predicate(value, index, array)) {
        result[resIndex++] = value;
      }
    }
    return result;
  }

  /**
   * A specialized version of `_.includes` for arrays without support for
   * specifying an index to search from.
   *
   * @private
   * @param {Array} [array] The array to inspect.
   * @param {*} target The value to search for.
   * @returns {boolean} Returns `true` if `target` is found, else `false`.
   */
  function arrayIncludes(array, value) {
    var length = array == null ? 0 : array.length;
    return !!length && baseIndexOf(array, value, 0) > -1;
  }

  /**
   * This function is like `arrayIncludes` except that it accepts a comparator.
   *
   * @private
   * @param {Array} [array] The array to inspect.
   * @param {*} target The value to search for.
   * @param {Function} comparator The comparator invoked per element.
   * @returns {boolean} Returns `true` if `target` is found, else `false`.
   */
  function arrayIncludesWith(array, value, comparator) {
    var index = -1,
        length = array == null ? 0 : array.length;

    while (++index < length) {
      if (comparator(value, array[index])) {
        return true;
      }
    }
    return false;
  }

  /**
   * A specialized version of `_.map` for arrays without support for iteratee
   * shorthands.
   *
   * @private
   * @param {Array} [array] The array to iterate over.
   * @param {Function} iteratee The function invoked per iteration.
   * @returns {Array} Returns the new mapped array.
   */
  function arrayMap(array, iteratee) {
    var index = -1,
        length = array == null ? 0 : array.length,
        result = Array(length);

    while (++index < length) {
      result[index] = iteratee(array[index], index, array);
    }
    return result;
  }

  /**
   * Appends the elements of `values` to `array`.
   *
   * @private
   * @param {Array} array The array to modify.
   * @param {Array} values The values to append.
   * @returns {Array} Returns `array`.
   */
  function arrayPush(array, values) {
    var index = -1,
        length = values.length,
        offset = array.length;

    while (++index < length) {
      array[offset + index] = values[index];
    }
    return array;
  }

  /**
   * A specialized version of `_.reduce` for arrays without support for
   * iteratee shorthands.
   *
   * @private
   * @param {Array} [array] The array to iterate over.
   * @param {Function} iteratee The function invoked per iteration.
   * @param {*} [accumulator] The initial value.
   * @param {boolean} [initAccum] Specify using the first element of `array` as
   *  the initial value.
   * @returns {*} Returns the accumulated value.
   */
  function arrayReduce(array, iteratee, accumulator, initAccum) {
    var index = -1,
        length = array == null ? 0 : array.length;

    if (initAccum && length) {
      accumulator = array[++index];
    }
    while (++index < length) {
      accumulator = iteratee(accumulator, array[index], index, array);
    }
    return accumulator;
  }

  /**
   * A specialized version of `_.reduceRight` for arrays without support for
   * iteratee shorthands.
   *
   * @private
   * @param {Array} [array] The array to iterate over.
   * @param {Function} iteratee The function invoked per iteration.
   * @param {*} [accumulator] The initial value.
   * @param {boolean} [initAccum] Specify using the last element of `array` as
   *  the initial value.
   * @returns {*} Returns the accumulated value.
   */
  function arrayReduceRight(array, iteratee, accumulator, initAccum) {
    var length = array == null ? 0 : array.length;
    if (initAccum && length) {
      accumulator = array[--length];
    }
    while (length--) {
      accumulator = iteratee(accumulator, array[length], length, array);
    }
    return accumulator;
  }

  /**
   * A specialized version of `_.some` for arrays without support for iteratee
   * shorthands.
   *
   * @private
   * @param {Array} [array] The array to iterate over.
   * @param {Function} predicate The function invoked per iteration.
   * @returns {boolean} Returns `true` if any element passes the predicate check,
   *  else `false`.
   */
  function arraySome(array, predicate) {
    var index = -1,
        length = array == null ? 0 : array.length;

    while (++index < length) {
      if (predicate(array[index], index, array)) {
        return true;
      }
    }
    return false;
  }

  /**
   * Gets the size of an ASCII `string`.
   *
   * @private
   * @param {string} string The string inspect.
   * @returns {number} Returns the string size.
   */
  var asciiSize = baseProperty('length');

  /**
   * Converts an ASCII `string` to an array.
   *
   * @private
   * @param {string} string The string to convert.
   * @returns {Array} Returns the converted array.
   */
  function asciiToArray(string) {
    return string.split('');
  }

  /**
   * Splits an ASCII `string` into an array of its words.
   *
   * @private
   * @param {string} The string to inspect.
   * @returns {Array} Returns the words of `string`.
   */
  function asciiWords(string) {
    return string.match(reAsciiWord) || [];
  }

  /**
   * The base implementation of methods like `_.findKey` and `_.findLastKey`,
   * without support for iteratee shorthands, which iterates over `collection`
   * using `eachFunc`.
   *
   * @private
   * @param {Array|Object} collection The collection to inspect.
   * @param {Function} predicate The function invoked per iteration.
   * @param {Function} eachFunc The function to iterate over `collection`.
   * @returns {*} Returns the found element or its key, else `undefined`.
   */
  function baseFindKey(collection, predicate, eachFunc) {
    var result;
    eachFunc(collection, function(value, key, collection) {
      if (predicate(value, key, collection)) {
        result = key;
        return false;
      }
    });
    return result;
  }

  /**
   * The base implementation of `_.findIndex` and `_.findLastIndex` without
   * support for iteratee shorthands.
   *
   * @private
   * @param {Array} array The array to inspect.
   * @param {Function} predicate The function invoked per iteration.
   * @param {number} fromIndex The index to search from.
   * @param {boolean} [fromRight] Specify iterating from right to left.
   * @returns {number} Returns the index of the matched value, else `-1`.
   */
  function baseFindIndex(array, predicate, fromIndex, fromRight) {
    var length = array.length,
        index = fromIndex + (fromRight ? 1 : -1);

    while ((fromRight ? index-- : ++index < length)) {
      if (predicate(array[index], index, array)) {
        return index;
      }
    }
    return -1;
  }

  /**
   * The base implementation of `_.indexOf` without `fromIndex` bounds checks.
   *
   * @private
   * @param {Array} array The array to inspect.
   * @param {*} value The value to search for.
   * @param {number} fromIndex The index to search from.
   * @returns {number} Returns the index of the matched value, else `-1`.
   */
  function baseIndexOf(array, value, fromIndex) {
    return value === value
      ? strictIndexOf(array, value, fromIndex)
      : baseFindIndex(array, baseIsNaN, fromIndex);
  }

  /**
   * This function is like `baseIndexOf` except that it accepts a comparator.
   *
   * @private
   * @param {Array} array The array to inspect.
   * @param {*} value The value to search for.
   * @param {number} fromIndex The index to search from.
   * @param {Function} comparator The comparator invoked per element.
   * @returns {number} Returns the index of the matched value, else `-1`.
   */
  function baseIndexOfWith(array, value, fromIndex, comparator) {
    var index = fromIndex - 1,
        length = array.length;

    while (++index < length) {
      if (comparator(array[index], value)) {
        return index;
      }
    }
    return -1;
  }

  /**
   * The base implementation of `_.isNaN` without support for number objects.
   *
   * @private
   * @param {*} value The value to check.
   * @returns {boolean} Returns `true` if `value` is `NaN`, else `false`.
   */
  function baseIsNaN(value) {
    return value !== value;
  }

  /**
   * The base implementation of `_.mean` and `_.meanBy` without support for
   * iteratee shorthands.
   *
   * @private
   * @param {Array} array The array to iterate over.
   * @param {Function} iteratee The function invoked per iteration.
   * @returns {number} Returns the mean.
   */
  function baseMean(array, iteratee) {
    var length = array == null ? 0 : array.length;
    return length ? (baseSum(array, iteratee) / length) : NAN;
  }

  /**
   * The base implementation of `_.property` without support for deep paths.
   *
   * @private
   * @param {string} key The key of the property to get.
   * @returns {Function} Returns the new accessor function.
   */
  function baseProperty(key) {
    return function(object) {
      return object == null ? undefined : object[key];
    };
  }

  /**
   * The base implementation of `_.propertyOf` without support for deep paths.
   *
   * @private
   * @param {Object} object The object to query.
   * @returns {Function} Returns the new accessor function.
   */
  function basePropertyOf(object) {
    return function(key) {
      return object == null ? undefined : object[key];
    };
  }

  /**
   * The base implementation of `_.reduce` and `_.reduceRight`, without support
   * for iteratee shorthands, which iterates over `collection` using `eachFunc`.
   *
   * @private
   * @param {Array|Object} collection The collection to iterate over.
   * @param {Function} iteratee The function invoked per iteration.
   * @param {*} accumulator The initial value.
   * @param {boolean} initAccum Specify using the first or last element of
   *  `collection` as the initial value.
   * @param {Function} eachFunc The function to iterate over `collection`.
   * @returns {*} Returns the accumulated value.
   */
  function baseReduce(collection, iteratee, accumulator, initAccum, eachFunc) {
    eachFunc(collection, function(value, index, collection) {
      accumulator = initAccum
        ? (initAccum = false, value)
        : iteratee(accumulator, value, index, collection);
    });
    return accumulator;
  }

  /**
   * The base implementation of `_.sortBy` which uses `comparer` to define the
   * sort order of `array` and replaces criteria objects with their corresponding
   * values.
   *
   * @private
   * @param {Array} array The array to sort.
   * @param {Function} comparer The function to define sort order.
   * @returns {Array} Returns `array`.
   */
  function baseSortBy(array, comparer) {
    var length = array.length;

    array.sort(comparer);
    while (length--) {
      array[length] = array[length].value;
    }
    return array;
  }

  /**
   * The base implementation of `_.sum` and `_.sumBy` without support for
   * iteratee shorthands.
   *
   * @private
   * @param {Array} array The array to iterate over.
   * @param {Function} iteratee The function invoked per iteration.
   * @returns {number} Returns the sum.
   */
  function baseSum(array, iteratee) {
    var result,
        index = -1,
        length = array.length;

    while (++index < length) {
      var current = iteratee(array[index]);
      if (current !== undefined) {
        result = result === undefined ? current : (result + current);
      }
    }
    return result;
  }

  /**
   * The base implementation of `_.times` without support for iteratee shorthands
   * or max array length checks.
   *
   * @private
   * @param {number} n The number of times to invoke `iteratee`.
   * @param {Function} iteratee The function invoked per iteration.
   * @returns {Array} Returns the array of results.
   */
  function baseTimes(n, iteratee) {
    var index = -1,
        result = Array(n);

    while (++index < n) {
      result[index] = iteratee(index);
    }
    return result;
  }

  /**
   * The base implementation of `_.toPairs` and `_.toPairsIn` which creates an array
   * of key-value pairs for `object` corresponding to the property names of `props`.
   *
   * @private
   * @param {Object} object The object to query.
   * @param {Array} props The property names to get values for.
   * @returns {Object} Returns the key-value pairs.
   */
  function baseToPairs(object, props) {
    return arrayMap(props, function(key) {
      return [key, object[key]];
    });
  }

  /**
   * The base implementation of `_.trim`.
   *
   * @private
   * @param {string} string The string to trim.
   * @returns {string} Returns the trimmed string.
   */
  function baseTrim(string) {
    return string
      ? string.slice(0, trimmedEndIndex(string) + 1).replace(reTrimStart, '')
      : string;
  }

  /**
   * The base implementation of `_.unary` without support for storing metadata.
   *
   * @private
   * @param {Function} func The function to cap arguments for.
   * @returns {Function} Returns the new capped function.
   */
  function baseUnary(func) {
    return function(value) {
      return func(value);
    };
  }

  /**
   * The base implementation of `_.values` and `_.valuesIn` which creates an
   * array of `object` property values corresponding to the property names
   * of `props`.
   *
   * @private
   * @param {Object} object The object to query.
   * @param {Array} props The property names to get values for.
   * @returns {Object} Returns the array of property values.
   */
  function baseValues(object, props) {
    return arrayMap(props, function(key) {
      return object[key];
    });
  }

  /**
   * Checks if a `cache` value for `key` exists.
   *
   * @private
   * @param {Object} cache The cache to query.
   * @param {string} key The key of the entry to check.
   * @returns {boolean} Returns `true` if an entry for `key` exists, else `false`.
   */
  function cacheHas(cache, key) {
    return cache.has(key);
  }

  /**
   * Used by `_.trim` and `_.trimStart` to get the index of the first string symbol
   * that is not found in the character symbols.
   *
   * @private
   * @param {Array} strSymbols The string symbols to inspect.
   * @param {Array} chrSymbols The character symbols to find.
   * @returns {number} Returns the index of the first unmatched string symbol.
   */
  function charsStartIndex(strSymbols, chrSymbols) {
    var index = -1,
        length = strSymbols.length;

    while (++index < length && baseIndexOf(chrSymbols, strSymbols[index], 0) > -1) {}
    return index;
  }

  /**
   * Used by `_.trim` and `_.trimEnd` to get the index of the last string symbol
   * that is not found in the character symbols.
   *
   * @private
   * @param {Array} strSymbols The string symbols to inspect.
   * @param {Array} chrSymbols The character symbols to find.
   * @returns {number} Returns the index of the last unmatched string symbol.
   */
  function charsEndIndex(strSymbols, chrSymbols) {
    var index = strSymbols.length;

    while (index-- && baseIndexOf(chrSymbols, strSymbols[index], 0) > -1) {}
    return index;
  }

  /**
   * Gets the number of `placeholder` occurrences in `array`.
   *
   * @private
   * @param {Array} array The array to inspect.
   * @param {*} placeholder The placeholder to search for.
   * @returns {number} Returns the placeholder count.
   */
  function countHolders(array, placeholder) {
    var length = array.length,
        result = 0;

    while (length--) {
      if (array[length] === placeholder) {
        ++result;
      }
    }
    return result;
  }

  /**
   * Used by `_.deburr` to convert Latin-1 Supplement and Latin Extended-A
   * letters to basic Latin letters.
   *
   * @private
   * @param {string} letter The matched letter to deburr.
   * @returns {string} Returns the deburred letter.
   */
  var deburrLetter = basePropertyOf(deburredLetters);

  /**
   * Used by `_.escape` to convert characters to HTML entities.
   *
   * @private
   * @param {string} chr The matched character to escape.
   * @returns {string} Returns the escaped character.
   */
  var escapeHtmlChar = basePropertyOf(htmlEscapes);

  /**
   * Used by `_.template` to escape characters for inclusion in compiled string literals.
   *
   * @private
   * @param {string} chr The matched character to escape.
   * @returns {string} Returns the escaped character.
   */
  function escapeStringChar(chr) {
    return '\\' + stringEscapes[chr];
  }

  /**
   * Gets the value at `key` of `object`.
   *
   * @private
   * @param {Object} [object] The object to query.
   * @param {string} key The key of the property to get.
   * @returns {*} Returns the property value.
   */
  function getValue(object, key) {
    return object == null ? undefined : object[key];
  }

  /**
   * Checks if `string` contains Unicode symbols.
   *
   * @private
   * @param {string} string The string to inspect.
   * @returns {boolean} Returns `true` if a symbol is found, else `false`.
   */
  function hasUnicode(string) {
    return reHasUnicode.test(string);
  }

  /**
   * Checks if `string` contains a word composed of Unicode symbols.
   *
   * @private
   * @param {string} string The string to inspect.
   * @returns {boolean} Returns `true` if a word is found, else `false`.
   */
  function hasUnicodeWord(string) {
    return reHasUnicodeWord.test(string);
  }

  /**
   * Converts `iterator` to an array.
   *
   * @private
   * @param {Object} iterator The iterator to convert.
   * @returns {Array} Returns the converted array.
   */
  function iteratorToArray(iterator) {
    var data,
        result = [];

    while (!(data = iterator.next()).done) {
      result.push(data.value);
    }
    return result;
  }

  /**
   * Converts `map` to its key-value pairs.
   *
   * @private
   * @param {Object} map The map to convert.
   * @returns {Array} Returns the key-value pairs.
   */
  function mapToArray(map) {
    var index = -1,
        result = Array(map.size);

    map.forEach(function(value, key) {
      result[++index] = [key, value];
    });
    return result;
  }

  /**
   * Creates a unary function that invokes `func` with its argument transformed.
   *
   * @private
   * @param {Function} func The function to wrap.
   * @param {Function} transform The argument transform.
   * @returns {Function} Returns the new function.
   */
  function overArg(func, transform) {
    return function(arg) {
      return func(transform(arg));
    };
  }

  /**
   * Replaces all `placeholder` elements in `array` with an internal placeholder
   * and returns an array of their indexes.
   *
   * @private
   * @param {Array} array The array to modify.
   * @param {*} placeholder The placeholder to replace.
   * @returns {Array} Returns the new array of placeholder indexes.
   */
  function replaceHolders(array, placeholder) {
    var index = -1,
        length = array.length,
        resIndex = 0,
        result = [];

    while (++index < length) {
      var value = array[index];
      if (value === placeholder || value === PLACEHOLDER) {
        array[index] = PLACEHOLDER;
        result[resIndex++] = index;
      }
    }
    return result;
  }

  /**
   * Converts `set` to an array of its values.
   *
   * @private
   * @param {Object} set The set to convert.
   * @returns {Array} Returns the values.
   */
  function setToArray(set) {
    var index = -1,
        result = Array(set.size);

    set.forEach(function(value) {
      result[++index] = value;
    });
    return result;
  }

  /**
   * Converts `set` to its value-value pairs.
   *
   * @private
   * @param {Object} set The set to convert.
   * @returns {Array} Returns the value-value pairs.
   */
  function setToPairs(set) {
    var index = -1,
        result = Array(set.size);

    set.forEach(function(value) {
      result[++index] = [value, value];
    });
    return result;
  }

  /**
   * A specialized version of `_.indexOf` which performs strict equality
   * comparisons of values, i.e. `===`.
   *
   * @private
   * @param {Array} array The array to inspect.
   * @param {*} value The value to search for.
   * @param {number} fromIndex The index to search from.
   * @returns {number} Returns the index of the matched value, else `-1`.
   */
  function strictIndexOf(array, value, fromIndex) {
    var index = fromIndex - 1,
        length = array.length;

    while (++index < length) {
      if (array[index] === value) {
        return index;
      }
    }
    return -1;
  }

  /**
   * A specialized version of `_.lastIndexOf` which performs strict equality
   * comparisons of values, i.e. `===`.
   *
   * @private
   * @param {Array} array The array to inspect.
   * @param {*} value The value to search for.
   * @param {number} fromIndex The index to search from.
   * @returns {number} Returns the index of the matched value, else `-1`.
   */
  function strictLastIndexOf(array, value, fromIndex) {
    var index = fromIndex + 1;
    while (index--) {
      if (array[index] === value) {
        return index;
      }
    }
    return index;
  }

  /**
   * Gets the number of symbols in `string`.
   *
   * @private
   * @param {string} string The string to inspect.
   * @returns {number} Returns the string size.
   */
  function stringSize(string) {
    return hasUnicode(string)
      ? unicodeSize(string)
      : asciiSize(string);
  }

  /**
   * Converts `string` to an array.
   *
   * @private
   * @param {string} string The string to convert.
   * @returns {Array} Returns the converted array.
   */
  function stringToArray(string) {
    return hasUnicode(string)
      ? unicodeToArray(string)
      : asciiToArray(string);
  }

  /**
   * Used by `_.trim` and `_.trimEnd` to get the index of the last non-whitespace
   * character of `string`.
   *
   * @private
   * @param {string} string The string to inspect.
   * @returns {number} Returns the index of the last non-whitespace character.
   */
  function trimmedEndIndex(string) {
    var index = string.length;

    while (index-- && reWhitespace.test(string.charAt(index))) {}
    return index;
  }

  /**
   * Used by `_.unescape` to convert HTML entities to characters.
   *
   * @private
   * @param {string} chr The matched character to unescape.
   * @returns {string} Returns the unescaped character.
   */
  var unescapeHtmlChar = basePropertyOf(htmlUnescapes);

  /**
   * Gets the size of a Unicode `string`.
   *
   * @private
   * @param {string} string The string inspect.
   * @returns {number} Returns the string size.
   */
  function unicodeSize(string) {
    var result = reUnicode.lastIndex = 0;
    while (reUnicode.test(string)) {
      ++result;
    }
    return result;
  }

  /**
   * Converts a Unicode `string` to an array.
   *
   * @private
   * @param {string} string The string to convert.
   * @returns {Array} Returns the converted array.
   */
  function unicodeToArray(string) {
    return string.match(reUnicode) || [];
  }

  /**
   * Splits a Unicode `string` into an array of its words.
   *
   * @private
   * @param {string} The string to inspect.
   * @returns {Array} Returns the words of `string`.
   */
  function unicodeWords(string) {
    return string.match(reUnicodeWord) || [];
  }

  /*--------------------------------------------------------------------------*/

  /**
   * Create a new pristine `lodash` function using the `context` object.
   *
   * @static
   * @memberOf _
   * @since 1.1.0
   * @category Util
   * @param {Object} [context=root] The context object.
   * @returns {Function} Returns a new `lodash` function.
   * @example
   *
   * _.mixin({ 'foo': _.constant('foo') });
   *
   * var lodash = _.runInContext();
   * lodash.mixin({ 'bar': lodash.constant('bar') });
   *
   * _.isFunction(_.foo);
   * // => true
   * _.isFunction(_.bar);
   * // => false
   *
   * lodash.isFunction(lodash.foo);
   * // => false
   * lodash.isFunction(lodash.bar);
   * // => true
   *
   * // Create a suped-up `defer` in Node.js.
   * var defer = _.runInContext({ 'setTimeout': setImmediate }).defer;
   */
  var runInContext = (function runInContext(context) {
    context = context == null ? root : _.defaults(root.Object(), context, _.pick(root, contextProps));

    /** Built-in constructor references. */
    var Array = context.Array,
        Date = context.Date,
        Error = context.Error,
        Function = context.Function,
        Math = context.Math,
        Object = context.Object,
        RegExp = context.RegExp,
        String = context.String,
        TypeError = context.TypeError;

    /** Used for built-in method references. */
    var arrayProto = Array.prototype,
        funcProto = Function.prototype,
        objectProto = Object.prototype;

    /** Used to detect overreaching core-js shims. */
    var coreJsData = context['__core-js_shared__'];

    /** Used to resolve the decompiled source of functions. */
    var funcToString = funcProto.toString;

    /** Used to check objects for own properties. */
    var hasOwnProperty = objectProto.hasOwnProperty;

    /** Used to generate unique IDs. */
    var idCounter = 0;

    /** Used to detect methods masquerading as native. */
    var maskSrcKey = (function() {
      var uid = /[^.]+$/.exec(coreJsData && coreJsData.keys && coreJsData.keys.IE_PROTO || '');
      return uid ? ('Symbol(src)_1.' + uid) : '';
    }());

    /**
     * Used to resolve the
     * [`toStringTag`](http://ecma-international.org/ecma-262/7.0/#sec-object.prototype.tostring)
     * of values.
     */
    var nativeObjectToString = objectProto.toString;

    /** Used to infer the `Object` constructor. */
    var objectCtorString = funcToString.call(Object);

    /** Used to restore the original `_` reference in `_.noConflict`. */
    var oldDash = root._;

    /** Used to detect if a method is native. */
    var reIsNative = RegExp('^' +
      funcToString.call(hasOwnProperty).replace(reRegExpChar, '\\$&')
      .replace(/hasOwnProperty|(function).*?(?=\\\()| for .+?(?=\\\])/g, '$1.*?') + '$'
    );

    /** Built-in value references. */
    var Buffer = moduleExports ? context.Buffer : undefined,
        Symbol = context.Symbol,
        Uint8Array = context.Uint8Array,
        allocUnsafe = Buffer ? Buffer.allocUnsafe : undefined,
        getPrototype = overArg(Object.getPrototypeOf, Object),
        objectCreate = Object.create,
        propertyIsEnumerable = objectProto.propertyIsEnumerable,
        splice = arrayProto.splice,
        spreadableSymbol = Symbol ? Symbol.isConcatSpreadable : undefined,
        symIterator = Symbol ? Symbol.iterator : undefined,
        symToStringTag = Symbol ? Symbol.toStringTag : undefined;

    var defineProperty = (function() {
      try {
        var func = getNative(Object, 'defineProperty');
        func({}, '', {});
        return func;
      } catch (e) {}
    }());

    /** Mocked built-ins. */
    var ctxClearTimeout = context.clearTimeout !== root.clearTimeout && context.clearTimeout,
        ctxNow = Date && Date.now !== root.Date.now && Date.now,
        ctxSetTimeout = context.setTimeout !== root.setTimeout && context.setTimeout;

    /* Built-in method references for those with the same name as other `lodash` methods. */
    var nativeCeil = Math.ceil,
        nativeFloor = Math.floor,
        nativeGetSymbols = Object.getOwnPropertySymbols,
        nativeIsBuffer = Buffer ? Buffer.isBuffer : undefined,
        nativeIsFinite = context.isFinite,
        nativeJoin = arrayProto.join,
        nativeKeys = overArg(Object.keys, Object),
        nativeMax = Math.max,
        nativeMin = Math.min,
        nativeNow = Date.now,
        nativeParseInt = context.parseInt,
        nativeRandom = Math.random,
        nativeReverse = arrayProto.reverse;

    /* Built-in method references that are verified to be native. */
    var DataView = getNative(context, 'DataView'),
        Map = getNative(context, 'Map'),
        Promise = getNative(context, 'Promise'),
        Set = getNative(context, 'Set'),
        WeakMap = getNative(context, 'WeakMap'),
        nativeCreate = getNative(Object, 'create');

    /** Used to store function metadata. */
    var metaMap = WeakMap && new WeakMap;

    /** Used to lookup unminified function names. */
    var realNames = {};

    /** Used to detect maps, sets, and weakmaps. */
    var dataViewCtorString = toSource(DataView),
        mapCtorString = toSource(Map),
        promiseCtorString = toSource(Promise),
        setCtorString = toSource(Set),
        weakMapCtorString = toSource(WeakMap);

    /** Used to convert symbols to primitives and strings. */
    var symbolProto = Symbol ? Symbol.prototype : undefined,
        symbolValueOf = symbolProto ? symbolProto.valueOf : undefined,
        symbolToString = symbolProto ? symbolProto.toString : undefined;

    /*------------------------------------------------------------------------*/

    /**
     * Creates a `lodash` object which wraps `value` to enable implicit method
     * chain sequences. Methods that operate on and return arrays, collections,
     * and functions can be chained together. Methods that retrieve a single value
     * or may return a primitive value will automatically end the chain sequence
     * and return the unwrapped value. Otherwise, the value must be unwrapped
     * with `_#value`.
     *
     * Explicit chain sequences, which must be unwrapped with `_#value`, may be
     * enabled using `_.chain`.
     *
     * The execution of chained methods is lazy, that is, it's deferred until
     * `_#value` is implicitly or explicitly called.
     *
     * Lazy evaluation allows several methods to support shortcut fusion.
     * Shortcut fusion is an optimization to merge iteratee calls; this avoids
     * the creation of intermediate arrays and can greatly reduce the number of
     * iteratee executions. Sections of a chain sequence qualify for shortcut
     * fusion if the section is applied to an array and iteratees accept only
     * one argument. The heuristic for whether a section qualifies for shortcut
     * fusion is subject to change.
     *
     * Chaining is supported in custom builds as long as the `_#value` method is
     * directly or indirectly included in the build.
     *
     * In addition to lodash methods, wrappers have `Array` and `String` methods.
     *
     * The wrapper `Array` methods are:
     * `concat`, `join`, `pop`, `push`, `shift`, `sort`, `splice`, and `unshift`
     *
     * The wrapper `String` methods are:
     * `replace` and `split`
     *
     * The wrapper methods that support shortcut fusion are:
     * `at`, `compact`, `drop`, `dropRight`, `dropWhile`, `filter`, `find`,
     * `findLast`, `head`, `initial`, `last`, `map`, `reject`, `reverse`, `slice`,
     * `tail`, `take`, `takeRight`, `takeRightWhile`, `takeWhile`, and `toArray`
     *
     * The chainable wrapper methods are:
     * `after`, `ary`, `assign`, `assignIn`, `assignInWith`, `assignWith`, `at`,
     * `before`, `bind`, `bindAll`, `bindKey`, `castArray`, `chain`, `chunk`,
     * `commit`, `compact`, `concat`, `conforms`, `constant`, `countBy`, `create`,
     * `curry`, `debounce`, `defaults`, `defaultsDeep`, `defer`, `delay`,
     * `difference`, `differenceBy`, `differenceWith`, `drop`, `dropRight`,
     * `dropRightWhile`, `dropWhile`, `extend`, `extendWith`, `fill`, `filter`,
     * `flatMap`, `flatMapDeep`, `flatMapDepth`, `flatten`, `flattenDeep`,
     * `flattenDepth`, `flip`, `flow`, `flowRight`, `fromPairs`, `functions`,
     * `functionsIn`, `groupBy`, `initial`, `intersection`, `intersectionBy`,
     * `intersectionWith`, `invert`, `invertBy`, `invokeMap`, `iteratee`, `keyBy`,
     * `keys`, `keysIn`, `map`, `mapKeys`, `mapValues`, `matches`, `matchesProperty`,
     * `memoize`, `merge`, `mergeWith`, `method`, `methodOf`, `mixin`, `negate`,
     * `nthArg`, `omit`, `omitBy`, `once`, `orderBy`, `over`, `overArgs`,
     * `overEvery`, `overSome`, `partial`, `partialRight`, `partition`, `pick`,
     * `pickBy`, `plant`, `property`, `propertyOf`, `pull`, `pullAll`, `pullAllBy`,
     * `pullAllWith`, `pullAt`, `push`, `range`, `rangeRight`, `rearg`, `reject`,
     * `remove`, `rest`, `reverse`, `sampleSize`, `set`, `setWith`, `shuffle`,
     * `slice`, `sort`, `sortBy`, `splice`, `spread`, `tail`, `take`, `takeRight`,
     * `takeRightWhile`, `takeWhile`, `tap`, `throttle`, `thru`, `toArray`,
     * `toPairs`, `toPairsIn`, `toPath`, `toPlainObject`, `transform`, `unary`,
     * `union`, `unionBy`, `unionWith`, `uniq`, `uniqBy`, `uniqWith`, `unset`,
     * `unshift`, `unzip`, `unzipWith`, `update`, `updateWith`, `values`,
     * `valuesIn`, `without`, `wrap`, `xor`, `xorBy`, `xorWith`, `zip`,
     * `zipObject`, `zipObjectDeep`, and `zipWith`
     *
     * The wrapper methods that are **not** chainable by default are:
     * `add`, `attempt`, `camelCase`, `capitalize`, `ceil`, `clamp`, `clone`,
     * `cloneDeep`, `cloneDeepWith`, `cloneWith`, `conformsTo`, `deburr`,
     * `defaultTo`, `divide`, `each`, `eachRight`, `endsWith`, `eq`, `escape`,
     * `escapeRegExp`, `every`, `find`, `findIndex`, `findKey`, `findLast`,
     * `findLastIndex`, `findLastKey`, `first`, `floor`, `forEach`, `forEachRight`,
     * `forIn`, `forInRight`, `forOwn`, `forOwnRight`, `get`, `gt`, `gte`, `has`,
     * `hasIn`, `head`, `identity`, `includes`, `indexOf`, `inRange`, `invoke`,
     * `isArguments`, `isArray`, `isArrayBuffer`, `isArrayLike`, `isArrayLikeObject`,
     * `isBoolean`, `isBuffer`, `isDate`, `isElement`, `isEmpty`, `isEqual`,
     * `isEqualWith`, `isError`, `isFinite`, `isFunction`, `isInteger`, `isLength`,
     * `isMap`, `isMatch`, `isMatchWith`, `isNaN`, `isNative`, `isNil`, `isNull`,
     * `isNumber`, `isObject`, `isObjectLike`, `isPlainObject`, `isRegExp`,
     * `isSafeInteger`, `isSet`, `isString`, `isUndefined`, `isTypedArray`,
     * `isWeakMap`, `isWeakSet`, `join`, `kebabCase`, `last`, `lastIndexOf`,
     * `lowerCase`, `lowerFirst`, `lt`, `lte`, `max`, `maxBy`, `mean`, `meanBy`,
     * `min`, `minBy`, `multiply`, `noConflict`, `noop`, `now`, `nth`, `pad`,
     * `padEnd`, `padStart`, `parseInt`, `pop`, `random`, `reduce`, `reduceRight`,
     * `repeat`, `result`, `round`, `runInContext`, `sample`, `shift`, `size`,
     * `snakeCase`, `some`, `sortedIndex`, `sortedIndexBy`, `sortedLastIndex`,
     * `sortedLastIndexBy`, `startCase`, `startsWith`, `stubArray`, `stubFalse`,
     * `stubObject`, `stubString`, `stubTrue`, `subtract`, `sum`, `sumBy`,
     * `template`, `times`, `toFinite`, `toInteger`, `toJSON`, `toLength`,
     * `toLower`, `toNumber`, `toSafeInteger`, `toString`, `toUpper`, `trim`,
     * `trimEnd`, `trimStart`, `truncate`, `unescape`, `uniqueId`, `upperCase`,
     * `upperFirst`, `value`, and `words`
     *
     * @name _
     * @constructor
     * @category Seq
     * @param {*} value The value to wrap in a `lodash` instance.
     * @returns {Object} Returns the new `lodash` wrapper instance.
     * @example
     *
     * function square(n) {
     *   return n * n;
     * }
     *
     * var wrapped = _([1, 2, 3]);
     *
     * // Returns an unwrapped value.
     * wrapped.reduce(_.add);
     * // => 6
     *
     * // Returns a wrapped value.
     * var squares = wrapped.map(square);
     *
     * _.isArray(squares);
     * // => false
     *
     * _.isArray(squares.value());
     * // => true
     */
    function lodash(value) {
      if (isObjectLike(value) && !isArray(value) && !(value instanceof LazyWrapper)) {
        if (value instanceof LodashWrapper) {
          return value;
        }
        if (hasOwnProperty.call(value, '__wrapped__')) {
          return wrapperClone(value);
        }
      }
      return new LodashWrapper(value);
    }

    /**
     * The base implementation of `_.create` without support for assigning
     * properties to the created object.
     *
     * @private
     * @param {Object} proto The object to inherit from.
     * @returns {Object} Returns the new object.
     */
    var baseCreate = (function() {
      function object() {}
      return function(proto) {
        if (!isObject(proto)) {
          return {};
        }
        if (objectCreate) {
          return objectCreate(proto);
        }
        object.prototype = proto;
        var result = new object;
        object.prototype = undefined;
        return result;
      };
    }());

    /**
     * The function whose prototype chain sequence wrappers inherit from.
     *
     * @private
     */
    function baseLodash() {
      // No operation performed.
    }

    /**
     * The base constructor for creating `lodash` wrapper objects.
     *
     * @private
     * @param {*} value The value to wrap.
     * @param {boolean} [chainAll] Enable explicit method chain sequences.
     */
    function LodashWrapper(value, chainAll) {
      this.__wrapped__ = value;
      this.__actions__ = [];
      this.__chain__ = !!chainAll;
      this.__index__ = 0;
      this.__values__ = undefined;
    }

    /**
     * By default, the template delimiters used by lodash are like those in
     * embedded Ruby (ERB) as well as ES2015 template strings. Change the
     * following template settings to use alternative delimiters.
     *
     * @static
     * @memberOf _
     * @type {Object}
     */
    lodash.templateSettings = {

      /**
       * Used to detect `data` property values to be HTML-escaped.
       *
       * @memberOf _.templateSettings
       * @type {RegExp}
       */
      'escape': reEscape,

      /**
       * Used to detect code to be evaluated.
       *
       * @memberOf _.templateSettings
       * @type {RegExp}
       */
      'evaluate': reEvaluate,

      /**
       * Used to detect `data` property values to inject.
       *
       * @memberOf _.templateSettings
       * @type {RegExp}
       */
      'interpolate': reInterpolate,

      /**
       * Used to reference the data object in the template text.
       *
       * @memberOf _.templateSettings
       * @type {string}
       */
      'variable': '',

      /**
       * Used to import variables into the compiled template.
       *
       * @memberOf _.templateSettings
       * @type {Object}
       */
      'imports': {

        /**
         * A reference to the `lodash` function.
         *
         * @memberOf _.templateSettings.imports
         * @type {Function}
         */
        '_': lodash
      }
    };

    // Ensure wrappers are instances of `baseLodash`.
    lodash.prototype = baseLodash.prototype;
    lodash.prototype.constructor = lodash;

    LodashWrapper.prototype = baseCreate(baseLodash.prototype);
    LodashWrapper.prototype.constructor = LodashWrapper;

    /*------------------------------------------------------------------------*/

    /**
     * Creates a lazy wrapper object which wraps `value` to enable lazy evaluation.
     *
     * @private
     * @constructor
     * @param {*} value The value to wrap.
     */
    function LazyWrapper(value) {
      this.__wrapped__ = value;
      this.__actions__ = [];
      this.__dir__ = 1;
      this.__filtered__ = false;
      this.__iteratees__ = [];
      this.__takeCount__ = MAX_ARRAY_LENGTH;
      this.__views__ = [];
    }

    /**
     * Creates a clone of the lazy wrapper object.
     *
     * @private
     * @name clone
     * @memberOf LazyWrapper
     * @returns {Object} Returns the cloned `LazyWrapper` object.
     */
    function lazyClone() {
      var result = new LazyWrapper(this.__wrapped__);
      result.__actions__ = copyArray(this.__actions__);
      result.__dir__ = this.__dir__;
      result.__filtered__ = this.__filtered__;
      result.__iteratees__ = copyArray(this.__iteratees__);
      result.__takeCount__ = this.__takeCount__;
      result.__views__ = copyArray(this.__views__);
      return result;
    }

    /**
     * Reverses the direction of lazy iteration.
     *
     * @private
     * @name reverse
     * @memberOf LazyWrapper
     * @returns {Object} Returns the new reversed `LazyWrapper` object.
     */
    function lazyReverse() {
      if (this.__filtered__) {
        var result = new LazyWrapper(this);
        result.__dir__ = -1;
        result.__filtered__ = true;
      } else {
        result = this.clone();
        result.__dir__ *= -1;
      }
      return result;
    }

    /**
     * Extracts the unwrapped value from its lazy wrapper.
     *
     * @private
     * @name value
     * @memberOf LazyWrapper
     * @returns {*} Returns the unwrapped value.
     */
    function lazyValue() {
      var array = this.__wrapped__.value(),
          dir = this.__dir__,
          isArr = isArray(array),
          isRight = dir < 0,
          arrLength = isArr ? array.length : 0,
          view = getView(0, arrLength, this.__views__),
          start = view.start,
          end = view.end,
          length = end - start,
          index = isRight ? end : (start - 1),
          iteratees = this.__iteratees__,
          iterLength = iteratees.length,
          resIndex = 0,
          takeCount = nativeMin(length, this.__takeCount__);

      if (!isArr || (!isRight && arrLength == length && takeCount == length)) {
        return baseWrapperValue(array, this.__actions__);
      }
      var result = [];

      outer:
      while (length-- && resIndex < takeCount) {
        index += dir;

        var iterIndex = -1,
            value = array[index];

        while (++iterIndex < iterLength) {
          var data = iteratees[iterIndex],
              iteratee = data.iteratee,
              type = data.type,
              computed = iteratee(value);

          if (type == LAZY_MAP_FLAG) {
            value = computed;
          } else if (!computed) {
            if (type == LAZY_FILTER_FLAG) {
              continue outer;
            } else {
              break outer;
            }
          }
        }
        result[resIndex++] = value;
      }
      return result;
    }

    // Ensure `LazyWrapper` is an instance of `baseLodash`.
    LazyWrapper.prototype = baseCreate(baseLodash.prototype);
    LazyWrapper.prototype.constructor = LazyWrapper;

    /*------------------------------------------------------------------------*/

    /**
     * Creates a hash object.
     *
     * @private
     * @constructor
     * @param {Array} [entries] The key-value pairs to cache.
     */
    function Hash(entries) {
      var index = -1,
          length = entries == null ? 0 : entries.length;

      this.clear();
      while (++index < length) {
        var entry = entries[index];
        this.set(entry[0], entry[1]);
      }
    }

    /**
     * Removes all key-value entries from the hash.
     *
     * @private
     * @name clear
     * @memberOf Hash
     */
    function hashClear() {
      this.__data__ = nativeCreate ? nativeCreate(null) : {};
      this.size = 0;
    }

    /**
     * Removes `key` and its value from the hash.
     *
     * @private
     * @name delete
     * @memberOf Hash
     * @param {Object} hash The hash to modify.
     * @param {string} key The key of the value to remove.
     * @returns {boolean} Returns `true` if the entry was removed, else `false`.
     */
    function hashDelete(key) {
      var result = this.has(key) && delete this.__data__[key];
      this.size -= result ? 1 : 0;
      return result;
    }

    /**
     * Gets the hash value for `key`.
     *
     * @private
     * @name get
     * @memberOf Hash
     * @param {string} key The key of the value to get.
     * @returns {*} Returns the entry value.
     */
    function hashGet(key) {
      var data = this.__data__;
      if (nativeCreate) {
        var result = data[key];
        return result === HASH_UNDEFINED ? undefined : result;
      }
      return hasOwnProperty.call(data, key) ? data[key] : undefined;
    }

    /**
     * Checks if a hash value for `key` exists.
     *
     * @private
     * @name has
     * @memberOf Hash
     * @param {string} key The key of the entry to check.
     * @returns {boolean} Returns `true` if an entry for `key` exists, else `false`.
     */
    function hashHas(key) {
      var data = this.__data__;
      return nativeCreate ? (data[key] !== undefined) : hasOwnProperty.call(data, key);
    }

    /**
     * Sets the hash `key` to `value`.
     *
     * @private
     * @name set
     * @memberOf Hash
     * @param {string} key The key of the value to set.
     * @param {*} value The value to set.
     * @returns {Object} Returns the hash instance.
     */
    function hashSet(key, value) {
      var data = this.__data__;
      this.size += this.has(key) ? 0 : 1;
      data[key] = (nativeCreate && value === undefined) ? HASH_UNDEFINED : value;
      return this;
    }

    // Add methods to `Hash`.
    Hash.prototype.clear = hashClear;
    Hash.prototype['delete'] = hashDelete;
    Hash.prototype.get = hashGet;
    Hash.prototype.has = hashHas;
    Hash.prototype.set = hashSet;

    /*------------------------------------------------------------------------*/

    /**
     * Creates an list cache object.
     *
     * @private
     * @constructor
     * @param {Array} [entries] The key-value pairs to cache.
     */
    function ListCache(entries) {
      var index = -1,
          length = entries == null ? 0 : entries.length;

      this.clear();
      while (++index < length) {
        var entry = entries[index];
        this.set(entry[0], entry[1]);
      }
    }

    /**
     * Removes all key-value entries from the list cache.
     *
     * @private
     * @name clear
     * @memberOf ListCache
     */
    function listCacheClear() {
      this.__data__ = [];
      this.size = 0;
    }

    /**
     * Removes `key` and its value from the list cache.
     *
     * @private
     * @name delete
     * @memberOf ListCache
     * @param {string} key The key of the value to remove.
     * @returns {boolean} Returns `true` if the entry was removed, else `false`.
     */
    function listCacheDelete(key) {
      var data = this.__data__,
          index = assocIndexOf(data, key);

      if (index < 0) {
        return false;
      }
      var lastIndex = data.length - 1;
      if (index == lastIndex) {
        data.pop();
      } else {
        splice.call(data, index, 1);
      }
      --this.size;
      return true;
    }

    /**
     * Gets the list cache value for `key`.
     *
     * @private
     * @name get
     * @memberOf ListCache
     * @param {string} key The key of the value to get.
     * @returns {*} Returns the entry value.
     */
    function listCacheGet(key) {
      var data = this.__data__,
          index = assocIndexOf(data, key);

      return index < 0 ? undefined : data[index][1];
    }

    /**
     * Checks if a list cache value for `key` exists.
     *
     * @private
     * @name has
     * @memberOf ListCache
     * @param {string} key The key of the entry to check.
     * @returns {boolean} Returns `true` if an entry for `key` exists, else `false`.
     */
    function listCacheHas(key) {
      return assocIndexOf(this.__data__, key) > -1;
    }

    /**
     * Sets the list cache `key` to `value`.
     *
     * @private
     * @name set
     * @memberOf ListCache
     * @param {string} key The key of the value to set.
     * @param {*} value The value to set.
     * @returns {Object} Returns the list cache instance.
     */
    function listCacheSet(key, value) {
      var data = this.__data__,
          index = assocIndexOf(data, key);

      if (index < 0) {
        ++this.size;
        data.push([key, value]);
      } else {
        data[index][1] = value;
      }
      return this;
    }

    // Add methods to `ListCache`.
    ListCache.prototype.clear = listCacheClear;
    ListCache.prototype['delete'] = listCacheDelete;
    ListCache.prototype.get = listCacheGet;
    ListCache.prototype.has = listCacheHas;
    ListCache.prototype.set = listCacheSet;

    /*------------------------------------------------------------------------*/

    /**
     * Creates a map cache object to store key-value pairs.
     *
     * @private
     * @constructor
     * @param {Array} [entries] The key-value pairs to cache.
     */
    function MapCache(entries) {
      var index = -1,
          length = entries == null ? 0 : entries.length;

      this.clear();
      while (++index < length) {
        var entry = entries[index];
        this.set(entry[0], entry[1]);
      }
    }

    /**
     * Removes all key-value entries from the map.
     *
     * @private
     * @name clear
     * @memberOf MapCache
     */
    function mapCacheClear() {
      this.size = 0;
      this.__data__ = {
        'hash': new Hash,
        'map': new (Map || ListCache),
        'string': new Hash
      };
    }

    /**
     * Removes `key` and its value from the map.
     *
     * @private
     * @name delete
     * @memberOf MapCache
     * @param {string} key The key of the value to remove.
     * @returns {boolean} Returns `true` if the entry was removed, else `false`.
     */
    function mapCacheDelete(key) {
      var result = getMapData(this, key)['delete'](key);
      this.size -= result ? 1 : 0;
      return result;
    }

    /**
     * Gets the map value for `key`.
     *
     * @private
     * @name get
     * @memberOf MapCache
     * @param {string} key The key of the value to get.
     * @returns {*} Returns the entry value.
     */
    function mapCacheGet(key) {
      return getMapData(this, key).get(key);
    }

    /**
     * Checks if a map value for `key` exists.
     *
     * @private
     * @name has
     * @memberOf MapCache
     * @param {string} key The key of the entry to check.
     * @returns {boolean} Returns `true` if an entry for `key` exists, else `false`.
     */
    function mapCacheHas(key) {
      return getMapData(this, key).has(key);
    }

    /**
     * Sets the map `key` to `value`.
     *
     * @private
     * @name set
     * @memberOf MapCache
     * @param {string} key The key of the value to set.
     * @param {*} value The value to set.
     * @returns {Object} Returns the map cache instance.
     */
    function mapCacheSet(key, value) {
      var data = getMapData(this, key),
          size = data.size;

      data.set(key, value);
      this.size += data.size == size ? 0 : 1;
      return this;
    }

    // Add methods to `MapCache`.
    MapCache.prototype.clear = mapCacheClear;
    MapCache.prototype['delete'] = mapCacheDelete;
    MapCache.prototype.get = mapCacheGet;
    MapCache.prototype.has = mapCacheHas;
    MapCache.prototype.set = mapCacheSet;

    /*------------------------------------------------------------------------*/

    /**
     *
     * Creates an array cache object to store unique values.
     *
     * @private
     * @constructor
     * @param {Array} [values] The values to cache.
     */
    function SetCache(values) {
      var index = -1,
          length = values == null ? 0 : values.length;

      this.__data__ = new MapCache;
      while (++index < length) {
        this.add(values[index]);
      }
    }

    /**
     * Adds `value` to the array cache.
     *
     * @private
     * @name add
     * @memberOf SetCache
     * @alias push
     * @param {*} value The value to cache.
     * @returns {Object} Returns the cache instance.
     */
    function setCacheAdd(value) {
      this.__data__.set(value, HASH_UNDEFINED);
      return this;
    }

    /**
     * Checks if `value` is in the array cache.
     *
     * @private
     * @name has
     * @memberOf SetCache
     * @param {*} value The value to search for.
     * @returns {number} Returns `true` if `value` is found, else `false`.
     */
    function setCacheHas(value) {
      return this.__data__.has(value);
    }

    // Add methods to `SetCache`.
    SetCache.prototype.add = SetCache.prototype.push = setCacheAdd;
    SetCache.prototype.has = setCacheHas;

    /*------------------------------------------------------------------------*/

    /**
     * Creates a stack cache object to store key-value pairs.
     *
     * @private
     * @constructor
     * @param {Array} [entries] The key-value pairs to cache.
     */
    function Stack(entries) {
      var data = this.__data__ = new ListCache(entries);
      this.size = data.size;
    }

    /**
     * Removes all key-value entries from the stack.
     *
     * @private
     * @name clear
     * @memberOf Stack
     */
    function stackClear() {
      this.__data__ = new ListCache;
      this.size = 0;
    }

    /**
     * Removes `key` and its value from the stack.
     *
     * @private
     * @name delete
     * @memberOf Stack
     * @param {string} key The key of the value to remove.
     * @returns {boolean} Returns `true` if the entry was removed, else `false`.
     */
    function stackDelete(key) {
      var data = this.__data__,
          result = data['delete'](key);

      this.size = data.size;
      return result;
    }

    /**
     * Gets the stack value for `key`.
     *
     * @private
     * @name get
     * @memberOf Stack
     * @param {string} key The key of the value to get.
     * @returns {*} Returns the entry value.
     */
    function stackGet(key) {
      return this.__data__.get(key);
    }

    /**
     * Checks if a stack value for `key` exists.
     *
     * @private
     * @name has
     * @memberOf Stack
     * @param {string} key The key of the entry to check.
     * @returns {boolean} Returns `true` if an entry for `key` exists, else `false`.
     */
    function stackHas(key) {
      return this.__data__.has(key);
    }

    /**
     * Sets the stack `key` to `value`.
     *
     * @private
     * @name set
     * @memberOf Stack
     * @param {string} key The key of the value to set.
     * @param {*} value The value to set.
     * @returns {Object} Returns the stack cache instance.
     */
    function stackSet(key, value) {
      var data = this.__data__;
      if (data instanceof ListCache) {
        var pairs = data.__data__;
        if (!Map || (pairs.length < LARGE_ARRAY_SIZE - 1)) {
          pairs.push([key, value]);
          this.size = ++data.size;
          return this;
        }
        data = this.__data__ = new MapCache(pairs);
      }
      data.set(key, value);
      this.size = data.size;
      return this;
    }

    // Add methods to `Stack`.
    Stack.prototype.clear = stackClear;
    Stack.prototype['delete'] = stackDelete;
    Stack.prototype.get = stackGet;
    Stack.prototype.has = stackHas;
    Stack.prototype.set = stackSet;

    /*------------------------------------------------------------------------*/

    /**
     * Creates an array of the enumerable property names of the array-like `value`.
     *
     * @private
     * @param {*} value The value to query.
     * @param {boolean} inherited Specify returning inherited property names.
     * @returns {Array} Returns the array of property names.
     */
    function arrayLikeKeys(value, inherited) {
      var isArr = isArray(value),
          isArg = !isArr && isArguments(value),
          isBuff = !isArr && !isArg && isBuffer(value),
          isType = !isArr && !isArg && !isBuff && isTypedArray(value),
          skipIndexes = isArr || isArg || isBuff || isType,
          result = skipIndexes ? baseTimes(value.length, String) : [],
          length = result.length;

      for (var key in value) {
        if ((inherited || hasOwnProperty.call(value, key)) &&
            !(skipIndexes && (
               // Safari 9 has enumerable `arguments.length` in strict mode.
               key == 'length' ||
               // Node.js 0.10 has enumerable non-index properties on buffers.
               (isBuff && (key == 'offset' || key == 'parent')) ||
               // PhantomJS 2 has enumerable non-index properties on typed arrays.
               (isType && (key == 'buffer' || key == 'byteLength' || key == 'byteOffset')) ||
               // Skip index properties.
               isIndex(key, length)
            ))) {
          result.push(key);
        }
      }
      return result;
    }

    /**
     * A specialized version of `_.sample` for arrays.
     *
     * @private
     * @param {Array} array The array to sample.
     * @returns {*} Returns the random element.
     */
    function arraySample(array) {
      var length = array.length;
      return length ? array[baseRandom(0, length - 1)] : undefined;
    }

    /**
     * A specialized version of `_.sampleSize` for arrays.
     *
     * @private
     * @param {Array} array The array to sample.
     * @param {number} n The number of elements to sample.
     * @returns {Array} Returns the random elements.
     */
    function arraySampleSize(array, n) {
      return shuffleSelf(copyArray(array), baseClamp(n, 0, array.length));
    }

    /**
     * A specialized version of `_.shuffle` for arrays.
     *
     * @private
     * @param {Array} array The array to shuffle.
     * @returns {Array} Returns the new shuffled array.
     */
    function arrayShuffle(array) {
      return shuffleSelf(copyArray(array));
    }

    /**
     * This function is like `assignValue` except that it doesn't assign
     * `undefined` values.
     *
     * @private
     * @param {Object} object The object to modify.
     * @param {string} key The key of the property to assign.
     * @param {*} value The value to assign.
     */
    function assignMergeValue(object, key, value) {
      if ((value !== undefined && !eq(object[key], value)) ||
          (value === undefined && !(key in object))) {
        baseAssignValue(object, key, value);
      }
    }

    /**
     * Assigns `value` to `key` of `object` if the existing value is not equivalent
     * using [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)
     * for equality comparisons.
     *
     * @private
     * @param {Object} object The object to modify.
     * @param {string} key The key of the property to assign.
     * @param {*} value The value to assign.
     */
    function assignValue(object, key, value) {
      var objValue = object[key];
      if (!(hasOwnProperty.call(object, key) && eq(objValue, value)) ||
          (value === undefined && !(key in object))) {
        baseAssignValue(object, key, value);
      }
    }

    /**
     * Gets the index at which the `key` is found in `array` of key-value pairs.
     *
     * @private
     * @param {Array} array The array to inspect.
     * @param {*} key The key to search for.
     * @returns {number} Returns the index of the matched value, else `-1`.
     */
    function assocIndexOf(array, key) {
      var length = array.length;
      while (length--) {
        if (eq(array[length][0], key)) {
          return length;
        }
      }
      return -1;
    }

    /**
     * Aggregates elements of `collection` on `accumulator` with keys transformed
     * by `iteratee` and values set by `setter`.
     *
     * @private
     * @param {Array|Object} collection The collection to iterate over.
     * @param {Function} setter The function to set `accumulator` values.
     * @param {Function} iteratee The iteratee to transform keys.
     * @param {Object} accumulator The initial aggregated object.
     * @returns {Function} Returns `accumulator`.
     */
    function baseAggregator(collection, setter, iteratee, accumulator) {
      baseEach(collection, function(value, key, collection) {
        setter(accumulator, value, iteratee(value), collection);
      });
      return accumulator;
    }

    /**
     * The base implementation of `_.assign` without support for multiple sources
     * or `customizer` functions.
     *
     * @private
     * @param {Object} object The destination object.
     * @param {Object} source The source object.
     * @returns {Object} Returns `object`.
     */
    function baseAssign(object, source) {
      return object && copyObject(source, keys(source), object);
    }

    /**
     * The base implementation of `_.assignIn` without support for multiple sources
     * or `customizer` functions.
     *
     * @private
     * @param {Object} object The destination object.
     * @param {Object} source The source object.
     * @returns {Object} Returns `object`.
     */
    function baseAssignIn(object, source) {
      return object && copyObject(source, keysIn(source), object);
    }

    /**
     * The base implementation of `assignValue` and `assignMergeValue` without
     * value checks.
     *
     * @private
     * @param {Object} object The object to modify.
     * @param {string} key The key of the property to assign.
     * @param {*} value The value to assign.
     */
    function baseAssignValue(object, key, value) {
      if (key == '__proto__' && defineProperty) {
        defineProperty(object, key, {
          'configurable': true,
          'enumerable': true,
          'value': value,
          'writable': true
        });
      } else {
        object[key] = value;
      }
    }

    /**
     * The base implementation of `_.at` without support for individual paths.
     *
     * @private
     * @param {Object} object The object to iterate over.
     * @param {string[]} paths The property paths to pick.
     * @returns {Array} Returns the picked elements.
     */
    function baseAt(object, paths) {
      var index = -1,
          length = paths.length,
          result = Array(length),
          skip = object == null;

      while (++index < length) {
        result[index] = skip ? undefined : get(object, paths[index]);
      }
      return result;
    }

    /**
     * The base implementation of `_.clamp` which doesn't coerce arguments.
     *
     * @private
     * @param {number} number The number to clamp.
     * @param {number} [lower] The lower bound.
     * @param {number} upper The upper bound.
     * @returns {number} Returns the clamped number.
     */
    function baseClamp(number, lower, upper) {
      if (number === number) {
        if (upper !== undefined) {
          number = number <= upper ? number : upper;
        }
        if (lower !== undefined) {
          number = number >= lower ? number : lower;
        }
      }
      return number;
    }

    /**
     * The base implementation of `_.clone` and `_.cloneDeep` which tracks
     * traversed objects.
     *
     * @private
     * @param {*} value The value to clone.
     * @param {boolean} bitmask The bitmask flags.
     *  1 - Deep clone
     *  2 - Flatten inherited properties
     *  4 - Clone symbols
     * @param {Function} [customizer] The function to customize cloning.
     * @param {string} [key] The key of `value`.
     * @param {Object} [object] The parent object of `value`.
     * @param {Object} [stack] Tracks traversed objects and their clone counterparts.
     * @returns {*} Returns the cloned value.
     */
    function baseClone(value, bitmask, customizer, key, object, stack) {
      var result,
          isDeep = bitmask & CLONE_DEEP_FLAG,
          isFlat = bitmask & CLONE_FLAT_FLAG,
          isFull = bitmask & CLONE_SYMBOLS_FLAG;

      if (customizer) {
        result = object ? customizer(value, key, object, stack) : customizer(value);
      }
      if (result !== undefined) {
        return result;
      }
      if (!isObject(value)) {
        return value;
      }
      var isArr = isArray(value);
      if (isArr) {
        result = initCloneArray(value);
        if (!isDeep) {
          return copyArray(value, result);
        }
      } else {
        var tag = getTag(value),
            isFunc = tag == funcTag || tag == genTag;

        if (isBuffer(value)) {
          return cloneBuffer(value, isDeep);
        }
        if (tag == objectTag || tag == argsTag || (isFunc && !object)) {
          result = (isFlat || isFunc) ? {} : initCloneObject(value);
          if (!isDeep) {
            return isFlat
              ? copySymbolsIn(value, baseAssignIn(result, value))
              : copySymbols(value, baseAssign(result, value));
          }
        } else {
          if (!cloneableTags[tag]) {
            return object ? value : {};
          }
          result = initCloneByTag(value, tag, isDeep);
        }
      }
      // Check for circular references and return its corresponding clone.
      stack || (stack = new Stack);
      var stacked = stack.get(value);
      if (stacked) {
        return stacked;
      }
      stack.set(value, result);

      if (isSet(value)) {
        value.forEach(function(subValue) {
          result.add(baseClone(subValue, bitmask, customizer, subValue, value, stack));
        });
      } else if (isMap(value)) {
        value.forEach(function(subValue, key) {
          result.set(key, baseClone(subValue, bitmask, customizer, key, value, stack));
        });
      }

      var keysFunc = isFull
        ? (isFlat ? getAllKeysIn : getAllKeys)
        : (isFlat ? keysIn : keys);

      var props = isArr ? undefined : keysFunc(value);
      arrayEach(props || value, function(subValue, key) {
        if (props) {
          key = subValue;
          subValue = value[key];
        }
        // Recursively populate clone (susceptible to call stack limits).
        assignValue(result, key, baseClone(subValue, bitmask, customizer, key, value, stack));
      });
      return result;
    }

    /**
     * The base implementation of `_.conforms` which doesn't clone `source`.
     *
     * @private
     * @param {Object} source The object of property predicates to conform to.
     * @returns {Function} Returns the new spec function.
     */
    function baseConforms(source) {
      var props = keys(source);
      return function(object) {
        return baseConformsTo(object, source, props);
      };
    }

    /**
     * The base implementation of `_.conformsTo` which accepts `props` to check.
     *
     * @private
     * @param {Object} object The object to inspect.
     * @param {Object} source The object of property predicates to conform to.
     * @returns {boolean} Returns `true` if `object` conforms, else `false`.
     */
    function baseConformsTo(object, source, props) {
      var length = props.length;
      if (object == null) {
        return !length;
      }
      object = Object(object);
      while (length--) {
        var key = props[length],
            predicate = source[key],
            value = object[key];

        if ((value === undefined && !(key in object)) || !predicate(value)) {
          return false;
        }
      }
      return true;
    }

    /**
     * The base implementation of `_.delay` and `_.defer` which accepts `args`
     * to provide to `func`.
     *
     * @private
     * @param {Function} func The function to delay.
     * @param {number} wait The number of milliseconds to delay invocation.
     * @param {Array} args The arguments to provide to `func`.
     * @returns {number|Object} Returns the timer id or timeout object.
     */
    function baseDelay(func, wait, args) {
      if (typeof func != 'function') {
        throw new TypeError(FUNC_ERROR_TEXT);
      }
      return setTimeout(function() { func.apply(undefined, args); }, wait);
    }

    /**
     * The base implementation of methods like `_.difference` without support
     * for excluding multiple arrays or iteratee shorthands.
     *
     * @private
     * @param {Array} array The array to inspect.
     * @param {Array} values The values to exclude.
     * @param {Function} [iteratee] The iteratee invoked per element.
     * @param {Function} [comparator] The comparator invoked per element.
     * @returns {Array} Returns the new array of filtered values.
     */
    function baseDifference(array, values, iteratee, comparator) {
      var index = -1,
          includes = arrayIncludes,
          isCommon = true,
          length = array.length,
          result = [],
          valuesLength = values.length;

      if (!length) {
        return result;
      }
      if (iteratee) {
        values = arrayMap(values, baseUnary(iteratee));
      }
      if (comparator) {
        includes = arrayIncludesWith;
        isCommon = false;
      }
      else if (values.length >= LARGE_ARRAY_SIZE) {
        includes = cacheHas;
        isCommon = false;
        values = new SetCache(values);
      }
      outer:
      while (++index < length) {
        var value = array[index],
            computed = iteratee == null ? value : iteratee(value);

        value = (comparator || value !== 0) ? value : 0;
        if (isCommon && computed === computed) {
          var valuesIndex = valuesLength;
          while (valuesIndex--) {
            if (values[valuesIndex] === computed) {
              continue outer;
            }
          }
          result.push(value);
        }
        else if (!includes(values, computed, comparator)) {
          result.push(value);
        }
      }
      return result;
    }

    /**
     * The base implementation of `_.forEach` without support for iteratee shorthands.
     *
     * @private
     * @param {Array|Object} collection The collection to iterate over.
     * @param {Function} iteratee The function invoked per iteration.
     * @returns {Array|Object} Returns `collection`.
     */
    var baseEach = createBaseEach(baseForOwn);

    /**
     * The base implementation of `_.forEachRight` without support for iteratee shorthands.
     *
     * @private
     * @param {Array|Object} collection The collection to iterate over.
     * @param {Function} iteratee The function invoked per iteration.
     * @returns {Array|Object} Returns `collection`.
     */
    var baseEachRight = createBaseEach(baseForOwnRight, true);

    /**
     * The base implementation of `_.every` without support for iteratee shorthands.
     *
     * @private
     * @param {Array|Object} collection The collection to iterate over.
     * @param {Function} predicate The function invoked per iteration.
     * @returns {boolean} Returns `true` if all elements pass the predicate check,
     *  else `false`
     */
    function baseEvery(collection, predicate) {
      var result = true;
      baseEach(collection, function(value, index, collection) {
        result = !!predicate(value, index, collection);
        return result;
      });
      return result;
    }

    /**
     * The base implementation of methods like `_.max` and `_.min` which accepts a
     * `comparator` to determine the extremum value.
     *
     * @private
     * @param {Array} array The array to iterate over.
     * @param {Function} iteratee The iteratee invoked per iteration.
     * @param {Function} comparator The comparator used to compare values.
     * @returns {*} Returns the extremum value.
     */
    function baseExtremum(array, iteratee, comparator) {
      var index = -1,
          length = array.length;

      while (++index < length) {
        var value = array[index],
            current = iteratee(value);

        if (current != null && (computed === undefined
              ? (current === current && !isSymbol(current))
              : comparator(current, computed)
            )) {
          var computed = current,
              result = value;
        }
      }
      return result;
    }

    /**
     * The base implementation of `_.fill` without an iteratee call guard.
     *
     * @private
     * @param {Array} array The array to fill.
     * @param {*} value The value to fill `array` with.
     * @param {number} [start=0] The start position.
     * @param {number} [end=array.length] The end position.
     * @returns {Array} Returns `array`.
     */
    function baseFill(array, value, start, end) {
      var length = array.length;

      start = toInteger(start);
      if (start < 0) {
        start = -start > length ? 0 : (length + start);
      }
      end = (end === undefined || end > length) ? length : toInteger(end);
      if (end < 0) {
        end += length;
      }
      end = start > end ? 0 : toLength(end);
      while (start < end) {
        array[start++] = value;
      }
      return array;
    }

    /**
     * The base implementation of `_.filter` without support for iteratee shorthands.
     *
     * @private
     * @param {Array|Object} collection The collection to iterate over.
     * @param {Function} predicate The function invoked per iteration.
     * @returns {Array} Returns the new filtered array.
     */
    function baseFilter(collection, predicate) {
      var result = [];
      baseEach(collection, function(value, index, collection) {
        if (predicate(value, index, collection)) {
          result.push(value);
        }
      });
      return result;
    }

    /**
     * The base implementation of `_.flatten` with support for restricting flattening.
     *
     * @private
     * @param {Array} array The array to flatten.
     * @param {number} depth The maximum recursion depth.
     * @param {boolean} [predicate=isFlattenable] The function invoked per iteration.
     * @param {boolean} [isStrict] Restrict to values that pass `predicate` checks.
     * @param {Array} [result=[]] The initial result value.
     * @returns {Array} Returns the new flattened array.
     */
    function baseFlatten(array, depth, predicate, isStrict, result) {
      var index = -1,
          length = array.length;

      predicate || (predicate = isFlattenable);
      result || (result = []);

      while (++index < length) {
        var value = array[index];
        if (depth > 0 && predicate(value)) {
          if (depth > 1) {
            // Recursively flatten arrays (susceptible to call stack limits).
            baseFlatten(value, depth - 1, predicate, isStrict, result);
          } else {
            arrayPush(result, value);
          }
        } else if (!isStrict) {
          result[result.length] = value;
        }
      }
      return result;
    }

    /**
     * The base implementation of `baseForOwn` which iterates over `object`
     * properties returned by `keysFunc` and invokes `iteratee` for each property.
     * Iteratee functions may exit iteration early by explicitly returning `false`.
     *
     * @private
     * @param {Object} object The object to iterate over.
     * @param {Function} iteratee The function invoked per iteration.
     * @param {Function} keysFunc The function to get the keys of `object`.
     * @returns {Object} Returns `object`.
     */
    var baseFor = createBaseFor();

    /**
     * This function is like `baseFor` except that it iterates over properties
     * in the opposite order.
     *
     * @private
     * @param {Object} object The object to iterate over.
     * @param {Function} iteratee The function invoked per iteration.
     * @param {Function} keysFunc The function to get the keys of `object`.
     * @returns {Object} Returns `object`.
     */
    var baseForRight = createBaseFor(true);

    /**
     * The base implementation of `_.forOwn` without support for iteratee shorthands.
     *
     * @private
     * @param {Object} object The object to iterate over.
     * @param {Function} iteratee The function invoked per iteration.
     * @returns {Object} Returns `object`.
     */
    function baseForOwn(object, iteratee) {
      return object && baseFor(object, iteratee, keys);
    }

    /**
     * The base implementation of `_.forOwnRight` without support for iteratee shorthands.
     *
     * @private
     * @param {Object} object The object to iterate over.
     * @param {Function} iteratee The function invoked per iteration.
     * @returns {Object} Returns `object`.
     */
    function baseForOwnRight(object, iteratee) {
      return object && baseForRight(object, iteratee, keys);
    }

    /**
     * The base implementation of `_.functions` which creates an array of
     * `object` function property names filtered from `props`.
     *
     * @private
     * @param {Object} object The object to inspect.
     * @param {Array} props The property names to filter.
     * @returns {Array} Returns the function names.
     */
    function baseFunctions(object, props) {
      return arrayFilter(props, function(key) {
        return isFunction(object[key]);
      });
    }

    /**
     * The base implementation of `_.get` without support for default values.
     *
     * @private
     * @param {Object} object The object to query.
     * @param {Array|string} path The path of the property to get.
     * @returns {*} Returns the resolved value.
     */
    function baseGet(object, path) {
      path = castPath(path, object);

      var index = 0,
          length = path.length;

      while (object != null && index < length) {
        object = object[toKey(path[index++])];
      }
      return (index && index == length) ? object : undefined;
    }

    /**
     * The base implementation of `getAllKeys` and `getAllKeysIn` which uses
     * `keysFunc` and `symbolsFunc` to get the enumerable property names and
     * symbols of `object`.
     *
     * @private
     * @param {Object} object The object to query.
     * @param {Function} keysFunc The function to get the keys of `object`.
     * @param {Function} symbolsFunc The function to get the symbols of `object`.
     * @returns {Array} Returns the array of property names and symbols.
     */
    function baseGetAllKeys(object, keysFunc, symbolsFunc) {
      var result = keysFunc(object);
      return isArray(object) ? result : arrayPush(result, symbolsFunc(object));
    }

    /**
     * The base implementation of `getTag` without fallbacks for buggy environments.
     *
     * @private
     * @param {*} value The value to query.
     * @returns {string} Returns the `toStringTag`.
     */
    function baseGetTag(value) {
      if (value == null) {
        return value === undefined ? undefinedTag : nullTag;
      }
      return (symToStringTag && symToStringTag in Object(value))
        ? getRawTag(value)
        : objectToString(value);
    }

    /**
     * The base implementation of `_.gt` which doesn't coerce arguments.
     *
     * @private
     * @param {*} value The value to compare.
     * @param {*} other The other value to compare.
     * @returns {boolean} Returns `true` if `value` is greater than `other`,
     *  else `false`.
     */
    function baseGt(value, other) {
      return value > other;
    }

    /**
     * The base implementation of `_.has` without support for deep paths.
     *
     * @private
     * @param {Object} [object] The object to query.
     * @param {Array|string} key The key to check.
     * @returns {boolean} Returns `true` if `key` exists, else `false`.
     */
    function baseHas(object, key) {
      return object != null && hasOwnProperty.call(object, key);
    }

    /**
     * The base implementation of `_.hasIn` without support for deep paths.
     *
     * @private
     * @param {Object} [object] The object to query.
     * @param {Array|string} key The key to check.
     * @returns {boolean} Returns `true` if `key` exists, else `false`.
     */
    function baseHasIn(object, key) {
      return object != null && key in Object(object);
    }

    /**
     * The base implementation of `_.inRange` which doesn't coerce arguments.
     *
     * @private
     * @param {number} number The number to check.
     * @param {number} start The start of the range.
     * @param {number} end The end of the range.
     * @returns {boolean} Returns `true` if `number` is in the range, else `false`.
     */
    function baseInRange(number, start, end) {
      return number >= nativeMin(start, end) && number < nativeMax(start, end);
    }

    /**
     * The base implementation of methods like `_.intersection`, without support
     * for iteratee shorthands, that accepts an array of arrays to inspect.
     *
     * @private
     * @param {Array} arrays The arrays to inspect.
     * @param {Function} [iteratee] The iteratee invoked per element.
     * @param {Function} [comparator] The comparator invoked per element.
     * @returns {Array} Returns the new array of shared values.
     */
    function baseIntersection(arrays, iteratee, comparator) {
      var includes = comparator ? arrayIncludesWith : arrayIncludes,
          length = arrays[0].length,
          othLength = arrays.length,
          othIndex = othLength,
          caches = Array(othLength),
          maxLength = Infinity,
          result = [];

      while (othIndex--) {
        var array = arrays[othIndex];
        if (othIndex && iteratee) {
          array = arrayMap(array, baseUnary(iteratee));
        }
        maxLength = nativeMin(array.length, maxLength);
        caches[othIndex] = !comparator && (iteratee || (length >= 120 && array.length >= 120))
          ? new SetCache(othIndex && array)
          : undefined;
      }
      array = arrays[0];

      var index = -1,
          seen = caches[0];

      outer:
      while (++index < length && result.length < maxLength) {
        var value = array[index],
            computed = iteratee ? iteratee(value) : value;

        value = (comparator || value !== 0) ? value : 0;
        if (!(seen
              ? cacheHas(seen, computed)
              : includes(result, computed, comparator)
            )) {
          othIndex = othLength;
          while (--othIndex) {
            var cache = caches[othIndex];
            if (!(cache
                  ? cacheHas(cache, computed)
                  : includes(arrays[othIndex], computed, comparator))
                ) {
              continue outer;
            }
          }
          if (seen) {
            seen.push(computed);
          }
          result.push(value);
        }
      }
      return result;
    }

    /**
     * The base implementation of `_.invert` and `_.invertBy` which inverts
     * `object` with values transformed by `iteratee` and set by `setter`.
     *
     * @private
     * @param {Object} object The object to iterate over.
     * @param {Function} setter The function to set `accumulator` values.
     * @param {Function} iteratee The iteratee to transform values.
     * @param {Object} accumulator The initial inverted object.
     * @returns {Function} Returns `accumulator`.
     */
    function baseInverter(object, setter, iteratee, accumulator) {
      baseForOwn(object, function(value, key, object) {
        setter(accumulator, iteratee(value), key, object);
      });
      return accumulator;
    }

    /**
     * The base implementation of `_.invoke` without support for individual
     * method arguments.
     *
     * @private
     * @param {Object} object The object to query.
     * @param {Array|string} path The path of the method to invoke.
     * @param {Array} args The arguments to invoke the method with.
     * @returns {*} Returns the result of the invoked method.
     */
    function baseInvoke(object, path, args) {
      path = castPath(path, object);
      object = parent(object, path);
      var func = object == null ? object : object[toKey(last(path))];
      return func == null ? undefined : apply(func, object, args);
    }

    /**
     * The base implementation of `_.isArguments`.
     *
     * @private
     * @param {*} value The value to check.
     * @returns {boolean} Returns `true` if `value` is an `arguments` object,
     */
    function baseIsArguments(value) {
      return isObjectLike(value) && baseGetTag(value) == argsTag;
    }

    /**
     * The base implementation of `_.isArrayBuffer` without Node.js optimizations.
     *
     * @private
     * @param {*} value The value to check.
     * @returns {boolean} Returns `true` if `value` is an array buffer, else `false`.
     */
    function baseIsArrayBuffer(value) {
      return isObjectLike(value) && baseGetTag(value) == arrayBufferTag;
    }

    /**
     * The base implementation of `_.isDate` without Node.js optimizations.
     *
     * @private
     * @param {*} value The value to check.
     * @returns {boolean} Returns `true` if `value` is a date object, else `false`.
     */
    function baseIsDate(value) {
      return isObjectLike(value) && baseGetTag(value) == dateTag;
    }

    /**
     * The base implementation of `_.isEqual` which supports partial comparisons
     * and tracks traversed objects.
     *
     * @private
     * @param {*} value The value to compare.
     * @param {*} other The other value to compare.
     * @param {boolean} bitmask The bitmask flags.
     *  1 - Unordered comparison
     *  2 - Partial comparison
     * @param {Function} [customizer] The function to customize comparisons.
     * @param {Object} [stack] Tracks traversed `value` and `other` objects.
     * @returns {boolean} Returns `true` if the values are equivalent, else `false`.
     */
    function baseIsEqual(value, other, bitmask, customizer, stack) {
      if (value === other) {
        return true;
      }
      if (value == null || other == null || (!isObjectLike(value) && !isObjectLike(other))) {
        return value !== value && other !== other;
      }
      return baseIsEqualDeep(value, other, bitmask, customizer, baseIsEqual, stack);
    }

    /**
     * A specialized version of `baseIsEqual` for arrays and objects which performs
     * deep comparisons and tracks traversed objects enabling objects with circular
     * references to be compared.
     *
     * @private
     * @param {Object} object The object to compare.
     * @param {Object} other The other object to compare.
     * @param {number} bitmask The bitmask flags. See `baseIsEqual` for more details.
     * @param {Function} customizer The function to customize comparisons.
     * @param {Function} equalFunc The function to determine equivalents of values.
     * @param {Object} [stack] Tracks traversed `object` and `other` objects.
     * @returns {boolean} Returns `true` if the objects are equivalent, else `false`.
     */
    function baseIsEqualDeep(object, other, bitmask, customizer, equalFunc, stack) {
      var objIsArr = isArray(object),
          othIsArr = isArray(other),
          objTag = objIsArr ? arrayTag : getTag(object),
          othTag = othIsArr ? arrayTag : getTag(other);

      objTag = objTag == argsTag ? objectTag : objTag;
      othTag = othTag == argsTag ? objectTag : othTag;

      var objIsObj = objTag == objectTag,
          othIsObj = othTag == objectTag,
          isSameTag = objTag == othTag;

      if (isSameTag && isBuffer(object)) {
        if (!isBuffer(other)) {
          return false;
        }
        objIsArr = true;
        objIsObj = false;
      }
      if (isSameTag && !objIsObj) {
        stack || (stack = new Stack);
        return (objIsArr || isTypedArray(object))
          ? equalArrays(object, other, bitmask, customizer, equalFunc, stack)
          : equalByTag(object, other, objTag, bitmask, customizer, equalFunc, stack);
      }
      if (!(bitmask & COMPARE_PARTIAL_FLAG)) {
        var objIsWrapped = objIsObj && hasOwnProperty.call(object, '__wrapped__'),
            othIsWrapped = othIsObj && hasOwnProperty.call(other, '__wrapped__');

        if (objIsWrapped || othIsWrapped) {
          var objUnwrapped = objIsWrapped ? object.value() : object,
              othUnwrapped = othIsWrapped ? other.value() : other;

          stack || (stack = new Stack);
          return equalFunc(objUnwrapped, othUnwrapped, bitmask, customizer, stack);
        }
      }
      if (!isSameTag) {
        return false;
      }
      stack || (stack = new Stack);
      return equalObjects(object, other, bitmask, customizer, equalFunc, stack);
    }

    /**
     * The base implementation of `_.isMap` without Node.js optimizations.
     *
     * @private
     * @param {*} value The value to check.
     * @returns {boolean} Returns `true` if `value` is a map, else `false`.
     */
    function baseIsMap(value) {
      return isObjectLike(value) && getTag(value) == mapTag;
    }

    /**
     * The base implementation of `_.isMatch` without support for iteratee shorthands.
     *
     * @private
     * @param {Object} object The object to inspect.
     * @param {Object} source The object of property values to match.
     * @param {Array} matchData The property names, values, and compare flags to match.
     * @param {Function} [customizer] The function to customize comparisons.
     * @returns {boolean} Returns `true` if `object` is a match, else `false`.
     */
    function baseIsMatch(object, source, matchData, customizer) {
      var index = matchData.length,
          length = index,
          noCustomizer = !customizer;

      if (object == null) {
        return !length;
      }
      object = Object(object);
      while (index--) {
        var data = matchData[index];
        if ((noCustomizer && data[2])
              ? data[1] !== object[data[0]]
              : !(data[0] in object)
            ) {
          return false;
        }
      }
      while (++index < length) {
        data = matchData[index];
        var key = data[0],
            objValue = object[key],
            srcValue = data[1];

        if (noCustomizer && data[2]) {
          if (objValue === undefined && !(key in object)) {
            return false;
          }
        } else {
          var stack = new Stack;
          if (customizer) {
            var result = customizer(objValue, srcValue, key, object, source, stack);
          }
          if (!(result === undefined
                ? baseIsEqual(srcValue, objValue, COMPARE_PARTIAL_FLAG | COMPARE_UNORDERED_FLAG, customizer, stack)
                : result
              )) {
            return false;
          }
        }
      }
      return true;
    }

    /**
     * The base implementation of `_.isNative` without bad shim checks.
     *
     * @private
     * @param {*} value The value to check.
     * @returns {boolean} Returns `true` if `value` is a native function,
     *  else `false`.
     */
    function baseIsNative(value) {
      if (!isObject(value) || isMasked(value)) {
        return false;
      }
      var pattern = isFunction(value) ? reIsNative : reIsHostCtor;
      return pattern.test(toSource(value));
    }

    /**
     * The base implementation of `_.isRegExp` without Node.js optimizations.
     *
     * @private
     * @param {*} value The value to check.
     * @returns {boolean} Returns `true` if `value` is a regexp, else `false`.
     */
    function baseIsRegExp(value) {
      return isObjectLike(value) && baseGetTag(value) == regexpTag;
    }

    /**
     * The base implementation of `_.isSet` without Node.js optimizations.
     *
     * @private
     * @param {*} value The value to check.
     * @returns {boolean} Returns `true` if `value` is a set, else `false`.
     */
    function baseIsSet(value) {
      return isObjectLike(value) && getTag(value) == setTag;
    }

    /**
     * The base implementation of `_.isTypedArray` without Node.js optimizations.
     *
     * @private
     * @param {*} value The value to check.
     * @returns {boolean} Returns `true` if `value` is a typed array, else `false`.
     */
    function baseIsTypedArray(value) {
      return isObjectLike(value) &&
        isLength(value.length) && !!typedArrayTags[baseGetTag(value)];
    }

    /**
     * The base implementation of `_.iteratee`.
     *
     * @private
     * @param {*} [value=_.identity] The value to convert to an iteratee.
     * @returns {Function} Returns the iteratee.
     */
    function baseIteratee(value) {
      // Don't store the `typeof` result in a variable to avoid a JIT bug in Safari 9.
      // See https://bugs.webkit.org/show_bug.cgi?id=156034 for more details.
      if (typeof value == 'function') {
        return value;
      }
      if (value == null) {
        return identity;
      }
      if (typeof value == 'object') {
        return isArray(value)
          ? baseMatchesProperty(value[0], value[1])
          : baseMatches(value);
      }
      return property(value);
    }

    /**
     * The base implementation of `_.keys` which doesn't treat sparse arrays as dense.
     *
     * @private
     * @param {Object} object The object to query.
     * @returns {Array} Returns the array of property names.
     */
    function baseKeys(object) {
      if (!isPrototype(object)) {
        return nativeKeys(object);
      }
      var result = [];
      for (var key in Object(object)) {
        if (hasOwnProperty.call(object, key) && key != 'constructor') {
          result.push(key);
        }
      }
      return result;
    }

    /**
     * The base implementation of `_.keysIn` which doesn't treat sparse arrays as dense.
     *
     * @private
     * @param {Object} object The object to query.
     * @returns {Array} Returns the array of property names.
     */
    function baseKeysIn(object) {
      if (!isObject(object)) {
        return nativeKeysIn(object);
      }
      var isProto = isPrototype(object),
          result = [];

      for (var key in object) {
        if (!(key == 'constructor' && (isProto || !hasOwnProperty.call(object, key)))) {
          result.push(key);
        }
      }
      return result;
    }

    /**
     * The base implementation of `_.lt` which doesn't coerce arguments.
     *
     * @private
     * @param {*} value The value to compare.
     * @param {*} other The other value to compare.
     * @returns {boolean} Returns `true` if `value` is less than `other`,
     *  else `false`.
     */
    function baseLt(value, other) {
      return value < other;
    }

    /**
     * The base implementation of `_.map` without support for iteratee shorthands.
     *
     * @private
     * @param {Array|Object} collection The collection to iterate over.
     * @param {Function} iteratee The function invoked per iteration.
     * @returns {Array} Returns the new mapped array.
     */
    function baseMap(collection, iteratee) {
      var index = -1,
          result = isArrayLike(collection) ? Array(collection.length) : [];

      baseEach(collection, function(value, key, collection) {
        result[++index] = iteratee(value, key, collection);
      });
      return result;
    }

    /**
     * The base implementation of `_.matches` which doesn't clone `source`.
     *
     * @private
     * @param {Object} source The object of property values to match.
     * @returns {Function} Returns the new spec function.
     */
    function baseMatches(source) {
      var matchData = getMatchData(source);
      if (matchData.length == 1 && matchData[0][2]) {
        return matchesStrictComparable(matchData[0][0], matchData[0][1]);
      }
      return function(object) {
        return object === source || baseIsMatch(object, source, matchData);
      };
    }

    /**
     * The base implementation of `_.matchesProperty` which doesn't clone `srcValue`.
     *
     * @private
     * @param {string} path The path of the property to get.
     * @param {*} srcValue The value to match.
     * @returns {Function} Returns the new spec function.
     */
    function baseMatchesProperty(path, srcValue) {
      if (isKey(path) && isStrictComparable(srcValue)) {
        return matchesStrictComparable(toKey(path), srcValue);
      }
      return function(object) {
        var objValue = get(object, path);
        return (objValue === undefined && objValue === srcValue)
          ? hasIn(object, path)
          : baseIsEqual(srcValue, objValue, COMPARE_PARTIAL_FLAG | COMPARE_UNORDERED_FLAG);
      };
    }

    /**
     * The base implementation of `_.merge` without support for multiple sources.
     *
     * @private
     * @param {Object} object The destination object.
     * @param {Object} source The source object.
     * @param {number} srcIndex The index of `source`.
     * @param {Function} [customizer] The function to customize merged values.
     * @param {Object} [stack] Tracks traversed source values and their merged
     *  counterparts.
     */
    function baseMerge(object, source, srcIndex, customizer, stack) {
      if (object === source) {
        return;
      }
      baseFor(source, function(srcValue, key) {
        stack || (stack = new Stack);
        if (isObject(srcValue)) {
          baseMergeDeep(object, source, key, srcIndex, baseMerge, customizer, stack);
        }
        else {
          var newValue = customizer
            ? customizer(safeGet(object, key), srcValue, (key + ''), object, source, stack)
            : undefined;

          if (newValue === undefined) {
            newValue = srcValue;
          }
          assignMergeValue(object, key, newValue);
        }
      }, keysIn);
    }

    /**
     * A specialized version of `baseMerge` for arrays and objects which performs
     * deep merges and tracks traversed objects enabling objects with circular
     * references to be merged.
     *
     * @private
     * @param {Object} object The destination object.
     * @param {Object} source The source object.
     * @param {string} key The key of the value to merge.
     * @param {number} srcIndex The index of `source`.
     * @param {Function} mergeFunc The function to merge values.
     * @param {Function} [customizer] The function to customize assigned values.
     * @param {Object} [stack] Tracks traversed source values and their merged
     *  counterparts.
     */
    function baseMergeDeep(object, source, key, srcIndex, mergeFunc, customizer, stack) {
      var objValue = safeGet(object, key),
          srcValue = safeGet(source, key),
          stacked = stack.get(srcValue);

      if (stacked) {
        assignMergeValue(object, key, stacked);
        return;
      }
      var newValue = customizer
        ? customizer(objValue, srcValue, (key + ''), object, source, stack)
        : undefined;

      var isCommon = newValue === undefined;

      if (isCommon) {
        var isArr = isArray(srcValue),
            isBuff = !isArr && isBuffer(srcValue),
            isTyped = !isArr && !isBuff && isTypedArray(srcValue);

        newValue = srcValue;
        if (isArr || isBuff || isTyped) {
          if (isArray(objValue)) {
            newValue = objValue;
          }
          else if (isArrayLikeObject(objValue)) {
            newValue = copyArray(objValue);
          }
          else if (isBuff) {
            isCommon = false;
            newValue = cloneBuffer(srcValue, true);
          }
          else if (isTyped) {
            isCommon = false;
            newValue = cloneTypedArray(srcValue, true);
          }
          else {
            newValue = [];
          }
        }
        else if (isPlainObject(srcValue) || isArguments(srcValue)) {
          newValue = objValue;
          if (isArguments(objValue)) {
            newValue = toPlainObject(objValue);
          }
          else if (!isObject(objValue) || isFunction(objValue)) {
            newValue = initCloneObject(srcValue);
          }
        }
        else {
          isCommon = false;
        }
      }
      if (isCommon) {
        // Recursively merge objects and arrays (susceptible to call stack limits).
        stack.set(srcValue, newValue);
        mergeFunc(newValue, srcValue, srcIndex, customizer, stack);
        stack['delete'](srcValue);
      }
      assignMergeValue(object, key, newValue);
    }

    /**
     * The base implementation of `_.nth` which doesn't coerce arguments.
     *
     * @private
     * @param {Array} array The array to query.
     * @param {number} n The index of the element to return.
     * @returns {*} Returns the nth element of `array`.
     */
    function baseNth(array, n) {
      var length = array.length;
      if (!length) {
        return;
      }
      n += n < 0 ? length : 0;
      return isIndex(n, length) ? array[n] : undefined;
    }

    /**
     * The base implementation of `_.orderBy` without param guards.
     *
     * @private
     * @param {Array|Object} collection The collection to iterate over.
     * @param {Function[]|Object[]|string[]} iteratees The iteratees to sort by.
     * @param {string[]} orders The sort orders of `iteratees`.
     * @returns {Array} Returns the new sorted array.
     */
    function baseOrderBy(collection, iteratees, orders) {
      if (iteratees.length) {
        iteratees = arrayMap(iteratees, function(iteratee) {
          if (isArray(iteratee)) {
            return function(value) {
              return baseGet(value, iteratee.length === 1 ? iteratee[0] : iteratee);
            }
          }
          return iteratee;
        });
      } else {
        iteratees = [identity];
      }

      var index = -1;
      iteratees = arrayMap(iteratees, baseUnary(getIteratee()));

      var result = baseMap(collection, function(value, key, collection) {
        var criteria = arrayMap(iteratees, function(iteratee) {
          return iteratee(value);
        });
        return { 'criteria': criteria, 'index': ++index, 'value': value };
      });

      return baseSortBy(result, function(object, other) {
        return compareMultiple(object, other, orders);
      });
    }

    /**
     * The base implementation of `_.pick` without support for individual
     * property identifiers.
     *
     * @private
     * @param {Object} object The source object.
     * @param {string[]} paths The property paths to pick.
     * @returns {Object} Returns the new object.
     */
    function basePick(object, paths) {
      return basePickBy(object, paths, function(value, path) {
        return hasIn(object, path);
      });
    }

    /**
     * The base implementation of  `_.pickBy` without support for iteratee shorthands.
     *
     * @private
     * @param {Object} object The source object.
     * @param {string[]} paths The property paths to pick.
     * @param {Function} predicate The function invoked per property.
     * @returns {Object} Returns the new object.
     */
    function basePickBy(object, paths, predicate) {
      var index = -1,
          length = paths.length,
          result = {};

      while (++index < length) {
        var path = paths[index],
            value = baseGet(object, path);

        if (predicate(value, path)) {
          baseSet(result, castPath(path, object), value);
        }
      }
      return result;
    }

    /**
     * A specialized version of `baseProperty` which supports deep paths.
     *
     * @private
     * @param {Array|string} path The path of the property to get.
     * @returns {Function} Returns the new accessor function.
     */
    function basePropertyDeep(path) {
      return function(object) {
        return baseGet(object, path);
      };
    }

    /**
     * The base implementation of `_.pullAllBy` without support for iteratee
     * shorthands.
     *
     * @private
     * @param {Array} array The array to modify.
     * @param {Array} values The values to remove.
     * @param {Function} [iteratee] The iteratee invoked per element.
     * @param {Function} [comparator] The comparator invoked per element.
     * @returns {Array} Returns `array`.
     */
    function basePullAll(array, values, iteratee, comparator) {
      var indexOf = comparator ? baseIndexOfWith : baseIndexOf,
          index = -1,
          length = values.length,
          seen = array;

      if (array === values) {
        values = copyArray(values);
      }
      if (iteratee) {
        seen = arrayMap(array, baseUnary(iteratee));
      }
      while (++index < length) {
        var fromIndex = 0,
            value = values[index],
            computed = iteratee ? iteratee(value) : value;

        while ((fromIndex = indexOf(seen, computed, fromIndex, comparator)) > -1) {
          if (seen !== array) {
            splice.call(seen, fromIndex, 1);
          }
          splice.call(array, fromIndex, 1);
        }
      }
      return array;
    }

    /**
     * The base implementation of `_.pullAt` without support for individual
     * indexes or capturing the removed elements.
     *
     * @private
     * @param {Array} array The array to modify.
     * @param {number[]} indexes The indexes of elements to remove.
     * @returns {Array} Returns `array`.
     */
    function basePullAt(array, indexes) {
      var length = array ? indexes.length : 0,
          lastIndex = length - 1;

      while (length--) {
        var index = indexes[length];
        if (length == lastIndex || index !== previous) {
          var previous = index;
          if (isIndex(index)) {
            splice.call(array, index, 1);
          } else {
            baseUnset(array, index);
          }
        }
      }
      return array;
    }

    /**
     * The base implementation of `_.random` without support for returning
     * floating-point numbers.
     *
     * @private
     * @param {number} lower The lower bound.
     * @param {number} upper The upper bound.
     * @returns {number} Returns the random number.
     */
    function baseRandom(lower, upper) {
      return lower + nativeFloor(nativeRandom() * (upper - lower + 1));
    }

    /**
     * The base implementation of `_.range` and `_.rangeRight` which doesn't
     * coerce arguments.
     *
     * @private
     * @param {number} start The start of the range.
     * @param {number} end The end of the range.
     * @param {number} step The value to increment or decrement by.
     * @param {boolean} [fromRight] Specify iterating from right to left.
     * @returns {Array} Returns the range of numbers.
     */
    function baseRange(start, end, step, fromRight) {
      var index = -1,
          length = nativeMax(nativeCeil((end - start) / (step || 1)), 0),
          result = Array(length);

      while (length--) {
        result[fromRight ? length : ++index] = start;
        start += step;
      }
      return result;
    }

    /**
     * The base implementation of `_.repeat` which doesn't coerce arguments.
     *
     * @private
     * @param {string} string The string to repeat.
     * @param {number} n The number of times to repeat the string.
     * @returns {string} Returns the repeated string.
     */
    function baseRepeat(string, n) {
      var result = '';
      if (!string || n < 1 || n > MAX_SAFE_INTEGER) {
        return result;
      }
      // Leverage the exponentiation by squaring algorithm for a faster repeat.
      // See https://en.wikipedia.org/wiki/Exponentiation_by_squaring for more details.
      do {
        if (n % 2) {
          result += string;
        }
        n = nativeFloor(n / 2);
        if (n) {
          string += string;
        }
      } while (n);

      return result;
    }

    /**
     * The base implementation of `_.rest` which doesn't validate or coerce arguments.
     *
     * @private
     * @param {Function} func The function to apply a rest parameter to.
     * @param {number} [start=func.length-1] The start position of the rest parameter.
     * @returns {Function} Returns the new function.
     */
    function baseRest(func, start) {
      return setToString(overRest(func, start, identity), func + '');
    }

    /**
     * The base implementation of `_.sample`.
     *
     * @private
     * @param {Array|Object} collection The collection to sample.
     * @returns {*} Returns the random element.
     */
    function baseSample(collection) {
      return arraySample(values(collection));
    }

    /**
     * The base implementation of `_.sampleSize` without param guards.
     *
     * @private
     * @param {Array|Object} collection The collection to sample.
     * @param {number} n The number of elements to sample.
     * @returns {Array} Returns the random elements.
     */
    function baseSampleSize(collection, n) {
      var array = values(collection);
      return shuffleSelf(array, baseClamp(n, 0, array.length));
    }

    /**
     * The base implementation of `_.set`.
     *
     * @private
     * @param {Object} object The object to modify.
     * @param {Array|string} path The path of the property to set.
     * @param {*} value The value to set.
     * @param {Function} [customizer] The function to customize path creation.
     * @returns {Object} Returns `object`.
     */
    function baseSet(object, path, value, customizer) {
      if (!isObject(object)) {
        return object;
      }
      path = castPath(path, object);

      var index = -1,
          length = path.length,
          lastIndex = length - 1,
          nested = object;

      while (nested != null && ++index < length) {
        var key = toKey(path[index]),
            newValue = value;

        if (key === '__proto__' || key === 'constructor' || key === 'prototype') {
          return object;
        }

        if (index != lastIndex) {
          var objValue = nested[key];
          newValue = customizer ? customizer(objValue, key, nested) : undefined;
          if (newValue === undefined) {
            newValue = isObject(objValue)
              ? objValue
              : (isIndex(path[index + 1]) ? [] : {});
          }
        }
        assignValue(nested, key, newValue);
        nested = nested[key];
      }
      return object;
    }

    /**
     * The base implementation of `setData` without support for hot loop shorting.
     *
     * @private
     * @param {Function} func The function to associate metadata with.
     * @param {*} data The metadata.
     * @returns {Function} Returns `func`.
     */
    var baseSetData = !metaMap ? identity : function(func, data) {
      metaMap.set(func, data);
      return func;
    };

    /**
     * The base implementation of `setToString` without support for hot loop shorting.
     *
     * @private
     * @param {Function} func The function to modify.
     * @param {Function} string The `toString` result.
     * @returns {Function} Returns `func`.
     */
    var baseSetToString = !defineProperty ? identity : function(func, string) {
      return defineProperty(func, 'toString', {
        'configurable': true,
        'enumerable': false,
        'value': constant(string),
        'writable': true
      });
    };

    /**
     * The base implementation of `_.shuffle`.
     *
     * @private
     * @param {Array|Object} collection The collection to shuffle.
     * @returns {Array} Returns the new shuffled array.
     */
    function baseShuffle(collection) {
      return shuffleSelf(values(collection));
    }

    /**
     * The base implementation of `_.slice` without an iteratee call guard.
     *
     * @private
     * @param {Array} array The array to slice.
     * @param {number} [start=0] The start position.
     * @param {number} [end=array.length] The end position.
     * @returns {Array} Returns the slice of `array`.
     */
    function baseSlice(array, start, end) {
      var index = -1,
          length = array.length;

      if (start < 0) {
        start = -start > length ? 0 : (length + start);
      }
      end = end > length ? length : end;
      if (end < 0) {
        end += length;
      }
      length = start > end ? 0 : ((end - start) >>> 0);
      start >>>= 0;

      var result = Array(length);
      while (++index < length) {
        result[index] = array[index + start];
      }
      return result;
    }

    /**
     * The base implementation of `_.some` without support for iteratee shorthands.
     *
     * @private
     * @param {Array|Object} collection The collection to iterate over.
     * @param {Function} predicate The function invoked per iteration.
     * @returns {boolean} Returns `true` if any element passes the predicate check,
     *  else `false`.
     */
    function baseSome(collection, predicate) {
      var result;

      baseEach(collection, function(value, index, collection) {
        result = predicate(value, index, collection);
        return !result;
      });
      return !!result;
    }

    /**
     * The base implementation of `_.sortedIndex` and `_.sortedLastIndex` which
     * performs a binary search of `array` to determine the index at which `value`
     * should be inserted into `array` in order to maintain its sort order.
     *
     * @private
     * @param {Array} array The sorted array to inspect.
     * @param {*} value The value to evaluate.
     * @param {boolean} [retHighest] Specify returning the highest qualified index.
     * @returns {number} Returns the index at which `value` should be inserted
     *  into `array`.
     */
    function baseSortedIndex(array, value, retHighest) {
      var low = 0,
          high = array == null ? low : array.length;

      if (typeof value == 'number' && value === value && high <= HALF_MAX_ARRAY_LENGTH) {
        while (low < high) {
          var mid = (low + high) >>> 1,
              computed = array[mid];

          if (computed !== null && !isSymbol(computed) &&
              (retHighest ? (computed <= value) : (computed < value))) {
            low = mid + 1;
          } else {
            high = mid;
          }
        }
        return high;
      }
      return baseSortedIndexBy(array, value, identity, retHighest);
    }

    /**
     * The base implementation of `_.sortedIndexBy` and `_.sortedLastIndexBy`
     * which invokes `iteratee` for `value` and each element of `array` to compute
     * their sort ranking. The iteratee is invoked with one argument; (value).
     *
     * @private
     * @param {Array} array The sorted array to inspect.
     * @param {*} value The value to evaluate.
     * @param {Function} iteratee The iteratee invoked per element.
     * @param {boolean} [retHighest] Specify returning the highest qualified index.
     * @returns {number} Returns the index at which `value` should be inserted
     *  into `array`.
     */
    function baseSortedIndexBy(array, value, iteratee, retHighest) {
      var low = 0,
          high = array == null ? 0 : array.length;
      if (high === 0) {
        return 0;
      }

      value = iteratee(value);
      var valIsNaN = value !== value,
          valIsNull = value === null,
          valIsSymbol = isSymbol(value),
          valIsUndefined = value === undefined;

      while (low < high) {
        var mid = nativeFloor((low + high) / 2),
            computed = iteratee(array[mid]),
            othIsDefined = computed !== undefined,
            othIsNull = computed === null,
            othIsReflexive = computed === computed,
            othIsSymbol = isSymbol(computed);

        if (valIsNaN) {
          var setLow = retHighest || othIsReflexive;
        } else if (valIsUndefined) {
          setLow = othIsReflexive && (retHighest || othIsDefined);
        } else if (valIsNull) {
          setLow = othIsReflexive && othIsDefined && (retHighest || !othIsNull);
        } else if (valIsSymbol) {
          setLow = othIsReflexive && othIsDefined && !othIsNull && (retHighest || !othIsSymbol);
        } else if (othIsNull || othIsSymbol) {
          setLow = false;
        } else {
          setLow = retHighest ? (computed <= value) : (computed < value);
        }
        if (setLow) {
          low = mid + 1;
        } else {
          high = mid;
        }
      }
      return nativeMin(high, MAX_ARRAY_INDEX);
    }

    /**
     * The base implementation of `_.sortedUniq` and `_.sortedUniqBy` without
     * support for iteratee shorthands.
     *
     * @private
     * @param {Array} array The array to inspect.
     * @param {Function} [iteratee] The iteratee invoked per element.
     * @returns {Array} Returns the new duplicate free array.
     */
    function baseSortedUniq(array, iteratee) {
      var index = -1,
          length = array.length,
          resIndex = 0,
          result = [];

      while (++index < length) {
        var value = array[index],
            computed = iteratee ? iteratee(value) : value;

        if (!index || !eq(computed, seen)) {
          var seen = computed;
          result[resIndex++] = value === 0 ? 0 : value;
        }
      }
      return result;
    }

    /**
     * The base implementation of `_.toNumber` which doesn't ensure correct
     * conversions of binary, hexadecimal, or octal string values.
     *
     * @private
     * @param {*} value The value to process.
     * @returns {number} Returns the number.
     */
    function baseToNumber(value) {
      if (typeof value == 'number') {
        return value;
      }
      if (isSymbol(value)) {
        return NAN;
      }
      return +value;
    }

    /**
     * The base implementation of `_.toString` which doesn't convert nullish
     * values to empty strings.
     *
     * @private
     * @param {*} value The value to process.
     * @returns {string} Returns the string.
     */
    function baseToString(value) {
      // Exit early for strings to avoid a performance hit in some environments.
      if (typeof value == 'string') {
        return value;
      }
      if (isArray(value)) {
        // Recursively convert values (susceptible to call stack limits).
        return arrayMap(value, baseToString) + '';
      }
      if (isSymbol(value)) {
        return symbolToString ? symbolToString.call(value) : '';
      }
      var result = (value + '');
      return (result == '0' && (1 / value) == -INFINITY) ? '-0' : result;
    }

    /**
     * The base implementation of `_.uniqBy` without support for iteratee shorthands.
     *
     * @private
     * @param {Array} array The array to inspect.
     * @param {Function} [iteratee] The iteratee invoked per element.
     * @param {Function} [comparator] The comparator invoked per element.
     * @returns {Array} Returns the new duplicate free array.
     */
    function baseUniq(array, iteratee, comparator) {
      var index = -1,
          includes = arrayIncludes,
          length = array.length,
          isCommon = true,
          result = [],
          seen = result;

      if (comparator) {
        isCommon = false;
        includes = arrayIncludesWith;
      }
      else if (length >= LARGE_ARRAY_SIZE) {
        var set = iteratee ? null : createSet(array);
        if (set) {
          return setToArray(set);
        }
        isCommon = false;
        includes = cacheHas;
        seen = new SetCache;
      }
      else {
        seen = iteratee ? [] : result;
      }
      outer:
      while (++index < length) {
        var value = array[index],
            computed = iteratee ? iteratee(value) : value;

        value = (comparator || value !== 0) ? value : 0;
        if (isCommon && computed === computed) {
          var seenIndex = seen.length;
          while (seenIndex--) {
            if (seen[seenIndex] === computed) {
              continue outer;
            }
          }
          if (iteratee) {
            seen.push(computed);
          }
          result.push(value);
        }
        else if (!includes(seen, computed, comparator)) {
          if (seen !== result) {
            seen.push(computed);
          }
          result.push(value);
        }
      }
      return result;
    }

    /**
     * The base implementation of `_.unset`.
     *
     * @private
     * @param {Object} object The object to modify.
     * @param {Array|string} path The property path to unset.
     * @returns {boolean} Returns `true` if the property is deleted, else `false`.
     */
    function baseUnset(object, path) {
      path = castPath(path, object);
      object = parent(object, path);
      return object == null || delete object[toKey(last(path))];
    }

    /**
     * The base implementation of `_.update`.
     *
     * @private
     * @param {Object} object The object to modify.
     * @param {Array|string} path The path of the property to update.
     * @param {Function} updater The function to produce the updated value.
     * @param {Function} [customizer] The function to customize path creation.
     * @returns {Object} Returns `object`.
     */
    function baseUpdate(object, path, updater, customizer) {
      return baseSet(object, path, updater(baseGet(object, path)), customizer);
    }

    /**
     * The base implementation of methods like `_.dropWhile` and `_.takeWhile`
     * without support for iteratee shorthands.
     *
     * @private
     * @param {Array} array The array to query.
     * @param {Function} predicate The function invoked per iteration.
     * @param {boolean} [isDrop] Specify dropping elements instead of taking them.
     * @param {boolean} [fromRight] Specify iterating from right to left.
     * @returns {Array} Returns the slice of `array`.
     */
    function baseWhile(array, predicate, isDrop, fromRight) {
      var length = array.length,
          index = fromRight ? length : -1;

      while ((fromRight ? index-- : ++index < length) &&
        predicate(array[index], index, array)) {}

      return isDrop
        ? baseSlice(array, (fromRight ? 0 : index), (fromRight ? index + 1 : length))
        : baseSlice(array, (fromRight ? index + 1 : 0), (fromRight ? length : index));
    }

    /**
     * The base implementation of `wrapperValue` which returns the result of
     * performing a sequence of actions on the unwrapped `value`, where each
     * successive action is supplied the return value of the previous.
     *
     * @private
     * @param {*} value The unwrapped value.
     * @param {Array} actions Actions to perform to resolve the unwrapped value.
     * @returns {*} Returns the resolved value.
     */
    function baseWrapperValue(value, actions) {
      var result = value;
      if (result instanceof LazyWrapper) {
        result = result.value();
      }
      return arrayReduce(actions, function(result, action) {
        return action.func.apply(action.thisArg, arrayPush([result], action.args));
      }, result);
    }

    /**
     * The base implementation of methods like `_.xor`, without support for
     * iteratee shorthands, that accepts an array of arrays to inspect.
     *
     * @private
     * @param {Array} arrays The arrays to inspect.
     * @param {Function} [iteratee] The iteratee invoked per element.
     * @param {Function} [comparator] The comparator invoked per element.
     * @returns {Array} Returns the new array of values.
     */
    function baseXor(arrays, iteratee, comparator) {
      var length = arrays.length;
      if (length < 2) {
        return length ? baseUniq(arrays[0]) : [];
      }
      var index = -1,
          result = Array(length);

      while (++index < length) {
        var array = arrays[index],
            othIndex = -1;

        while (++othIndex < length) {
          if (othIndex != index) {
            result[index] = baseDifference(result[index] || array, arrays[othIndex], iteratee, comparator);
          }
        }
      }
      return baseUniq(baseFlatten(result, 1), iteratee, comparator);
    }

    /**
     * This base implementation of `_.zipObject` which assigns values using `assignFunc`.
     *
     * @private
     * @param {Array} props The property identifiers.
     * @param {Array} values The property values.
     * @param {Function} assignFunc The function to assign values.
     * @returns {Object} Returns the new object.
     */
    function baseZipObject(props, values, assignFunc) {
      var index = -1,
          length = props.length,
          valsLength = values.length,
          result = {};

      while (++index < length) {
        var value = index < valsLength ? values[index] : undefined;
        assignFunc(result, props[index], value);
      }
      return result;
    }

    /**
     * Casts `value` to an empty array if it's not an array like object.
     *
     * @private
     * @param {*} value The value to inspect.
     * @returns {Array|Object} Returns the cast array-like object.
     */
    function castArrayLikeObject(value) {
      return isArrayLikeObject(value) ? value : [];
    }

    /**
     * Casts `value` to `identity` if it's not a function.
     *
     * @private
     * @param {*} value The value to inspect.
     * @returns {Function} Returns cast function.
     */
    function castFunction(value) {
      return typeof value == 'function' ? value : identity;
    }

    /**
     * Casts `value` to a path array if it's not one.
     *
     * @private
     * @param {*} value The value to inspect.
     * @param {Object} [object] The object to query keys on.
     * @returns {Array} Returns the cast property path array.
     */
    function castPath(value, object) {
      if (isArray(value)) {
        return value;
      }
      return isKey(value, object) ? [value] : stringToPath(toString(value));
    }

    /**
     * A `baseRest` alias which can be replaced with `identity` by module
     * replacement plugins.
     *
     * @private
     * @type {Function}
     * @param {Function} func The function to apply a rest parameter to.
     * @returns {Function} Returns the new function.
     */
    var castRest = baseRest;

    /**
     * Casts `array` to a slice if it's needed.
     *
     * @private
     * @param {Array} array The array to inspect.
     * @param {number} start The start position.
     * @param {number} [end=array.length] The end position.
     * @returns {Array} Returns the cast slice.
     */
    function castSlice(array, start, end) {
      var length = array.length;
      end = end === undefined ? length : end;
      return (!start && end >= length) ? array : baseSlice(array, start, end);
    }

    /**
     * A simple wrapper around the global [`clearTimeout`](https://mdn.io/clearTimeout).
     *
     * @private
     * @param {number|Object} id The timer id or timeout object of the timer to clear.
     */
    var clearTimeout = ctxClearTimeout || function(id) {
      return root.clearTimeout(id);
    };

    /**
     * Creates a clone of  `buffer`.
     *
     * @private
     * @param {Buffer} buffer The buffer to clone.
     * @param {boolean} [isDeep] Specify a deep clone.
     * @returns {Buffer} Returns the cloned buffer.
     */
    function cloneBuffer(buffer, isDeep) {
      if (isDeep) {
        return buffer.slice();
      }
      var length = buffer.length,
          result = allocUnsafe ? allocUnsafe(length) : new buffer.constructor(length);

      buffer.copy(result);
      return result;
    }

    /**
     * Creates a clone of `arrayBuffer`.
     *
     * @private
     * @param {ArrayBuffer} arrayBuffer The array buffer to clone.
     * @returns {ArrayBuffer} Returns the cloned array buffer.
     */
    function cloneArrayBuffer(arrayBuffer) {
      var result = new arrayBuffer.constructor(arrayBuffer.byteLength);
      new Uint8Array(result).set(new Uint8Array(arrayBuffer));
      return result;
    }

    /**
     * Creates a clone of `dataView`.
     *
     * @private
     * @param {Object} dataView The data view to clone.
     * @param {boolean} [isDeep] Specify a deep clone.
     * @returns {Object} Returns the cloned data view.
     */
    function cloneDataView(dataView, isDeep) {
      var buffer = isDeep ? cloneArrayBuffer(dataView.buffer) : dataView.buffer;
      return new dataView.constructor(buffer, dataView.byteOffset, dataView.byteLength);
    }

    /**
     * Creates a clone of `regexp`.
     *
     * @private
     * @param {Object} regexp The regexp to clone.
     * @returns {Object} Returns the cloned regexp.
     */
    function cloneRegExp(regexp) {
      var result = new regexp.constructor(regexp.source, reFlags.exec(regexp));
      result.lastIndex = regexp.lastIndex;
      return result;
    }

    /**
     * Creates a clone of the `symbol` object.
     *
     * @private
     * @param {Object} symbol The symbol object to clone.
     * @returns {Object} Returns the cloned symbol object.
     */
    function cloneSymbol(symbol) {
      return symbolValueOf ? Object(symbolValueOf.call(symbol)) : {};
    }

    /**
     * Creates a clone of `typedArray`.
     *
     * @private
     * @param {Object} typedArray The typed array to clone.
     * @param {boolean} [isDeep] Specify a deep clone.
     * @returns {Object} Returns the cloned typed array.
     */
    function cloneTypedArray(typedArray, isDeep) {
      var buffer = isDeep ? cloneArrayBuffer(typedArray.buffer) : typedArray.buffer;
      return new typedArray.constructor(buffer, typedArray.byteOffset, typedArray.length);
    }

    /**
     * Compares values to sort them in ascending order.
     *
     * @private
     * @param {*} value The value to compare.
     * @param {*} other The other value to compare.
     * @returns {number} Returns the sort order indicator for `value`.
     */
    function compareAscending(value, other) {
      if (value !== other) {
        var valIsDefined = value !== undefined,
            valIsNull = value === null,
            valIsReflexive = value === value,
            valIsSymbol = isSymbol(value);

        var othIsDefined = other !== undefined,
            othIsNull = other === null,
            othIsReflexive = other === other,
            othIsSymbol = isSymbol(other);

        if ((!othIsNull && !othIsSymbol && !valIsSymbol && value > other) ||
            (valIsSymbol && othIsDefined && othIsReflexive && !othIsNull && !othIsSymbol) ||
            (valIsNull && othIsDefined && othIsReflexive) ||
            (!valIsDefined && othIsReflexive) ||
            !valIsReflexive) {
          return 1;
        }
        if ((!valIsNull && !valIsSymbol && !othIsSymbol && value < other) ||
            (othIsSymbol && valIsDefined && valIsReflexive && !valIsNull && !valIsSymbol) ||
            (othIsNull && valIsDefined && valIsReflexive) ||
            (!othIsDefined && valIsReflexive) ||
            !othIsReflexive) {
          return -1;
        }
      }
      return 0;
    }

    /**
     * Used by `_.orderBy` to compare multiple properties of a value to another
     * and stable sort them.
     *
     * If `orders` is unspecified, all values are sorted in ascending order. Otherwise,
     * specify an order of "desc" for descending or "asc" for ascending sort order
     * of corresponding values.
     *
     * @private
     * @param {Object} object The object to compare.
     * @param {Object} other The other object to compare.
     * @param {boolean[]|string[]} orders The order to sort by for each property.
     * @returns {number} Returns the sort order indicator for `object`.
     */
    function compareMultiple(object, other, orders) {
      var index = -1,
          objCriteria = object.criteria,
          othCriteria = other.criteria,
          length = objCriteria.length,
          ordersLength = orders.length;

      while (++index < length) {
        var result = compareAscending(objCriteria[index], othCriteria[index]);
        if (result) {
          if (index >= ordersLength) {
            return result;
          }
          var order = orders[index];
          return result * (order == 'desc' ? -1 : 1);
        }
      }
      // Fixes an `Array#sort` bug in the JS engine embedded in Adobe applications
      // that causes it, under certain circumstances, to provide the same value for
      // `object` and `other`. See https://github.com/jashkenas/underscore/pull/1247
      // for more details.
      //
      // This also ensures a stable sort in V8 and other engines.
      // See https://bugs.chromium.org/p/v8/issues/detail?id=90 for more details.
      return object.index - other.index;
    }

    /**
     * Creates an array that is the composition of partially applied arguments,
     * placeholders, and provided arguments into a single array of arguments.
     *
     * @private
     * @param {Array} args The provided arguments.
     * @param {Array} partials The arguments to prepend to those provided.
     * @param {Array} holders The `partials` placeholder indexes.
     * @params {boolean} [isCurried] Specify composing for a curried function.
     * @returns {Array} Returns the new array of composed arguments.
     */
    function composeArgs(args, partials, holders, isCurried) {
      var argsIndex = -1,
          argsLength = args.length,
          holdersLength = holders.length,
          leftIndex = -1,
          leftLength = partials.length,
          rangeLength = nativeMax(argsLength - holdersLength, 0),
          result = Array(leftLength + rangeLength),
          isUncurried = !isCurried;

      while (++leftIndex < leftLength) {
        result[leftIndex] = partials[leftIndex];
      }
      while (++argsIndex < holdersLength) {
        if (isUncurried || argsIndex < argsLength) {
          result[holders[argsIndex]] = args[argsIndex];
        }
      }
      while (rangeLength--) {
        result[leftIndex++] = args[argsIndex++];
      }
      return result;
    }

    /**
     * This function is like `composeArgs` except that the arguments composition
     * is tailored for `_.partialRight`.
     *
     * @private
     * @param {Array} args The provided arguments.
     * @param {Array} partials The arguments to append to those provided.
     * @param {Array} holders The `partials` placeholder indexes.
     * @params {boolean} [isCurried] Specify composing for a curried function.
     * @returns {Array} Returns the new array of composed arguments.
     */
    function composeArgsRight(args, partials, holders, isCurried) {
      var argsIndex = -1,
          argsLength = args.length,
          holdersIndex = -1,
          holdersLength = holders.length,
          rightIndex = -1,
          rightLength = partials.length,
          rangeLength = nativeMax(argsLength - holdersLength, 0),
          result = Array(rangeLength + rightLength),
          isUncurried = !isCurried;

      while (++argsIndex < rangeLength) {
        result[argsIndex] = args[argsIndex];
      }
      var offset = argsIndex;
      while (++rightIndex < rightLength) {
        result[offset + rightIndex] = partials[rightIndex];
      }
      while (++holdersIndex < holdersLength) {
        if (isUncurried || argsIndex < argsLength) {
          result[offset + holders[holdersIndex]] = args[argsIndex++];
        }
      }
      return result;
    }

    /**
     * Copies the values of `source` to `array`.
     *
     * @private
     * @param {Array} source The array to copy values from.
     * @param {Array} [array=[]] The array to copy values to.
     * @returns {Array} Returns `array`.
     */
    function copyArray(source, array) {
      var index = -1,
          length = source.length;

      array || (array = Array(length));
      while (++index < length) {
        array[index] = source[index];
      }
      return array;
    }

    /**
     * Copies properties of `source` to `object`.
     *
     * @private
     * @param {Object} source The object to copy properties from.
     * @param {Array} props The property identifiers to copy.
     * @param {Object} [object={}] The object to copy properties to.
     * @param {Function} [customizer] The function to customize copied values.
     * @returns {Object} Returns `object`.
     */
    function copyObject(source, props, object, customizer) {
      var isNew = !object;
      object || (object = {});

      var index = -1,
          length = props.length;

      while (++index < length) {
        var key = props[index];

        var newValue = customizer
          ? customizer(object[key], source[key], key, object, source)
          : undefined;

        if (newValue === undefined) {
          newValue = source[key];
        }
        if (isNew) {
          baseAssignValue(object, key, newValue);
        } else {
          assignValue(object, key, newValue);
        }
      }
      return object;
    }

    /**
     * Copies own symbols of `source` to `object`.
     *
     * @private
     * @param {Object} source The object to copy symbols from.
     * @param {Object} [object={}] The object to copy symbols to.
     * @returns {Object} Returns `object`.
     */
    function copySymbols(source, object) {
      return copyObject(source, getSymbols(source), object);
    }

    /**
     * Copies own and inherited symbols of `source` to `object`.
     *
     * @private
     * @param {Object} source The object to copy symbols from.
     * @param {Object} [object={}] The object to copy symbols to.
     * @returns {Object} Returns `object`.
     */
    function copySymbolsIn(source, object) {
      return copyObject(source, getSymbolsIn(source), object);
    }

    /**
     * Creates a function like `_.groupBy`.
     *
     * @private
     * @param {Function} setter The function to set accumulator values.
     * @param {Function} [initializer] The accumulator object initializer.
     * @returns {Function} Returns the new aggregator function.
     */
    function createAggregator(setter, initializer) {
      return function(collection, iteratee) {
        var func = isArray(collection) ? arrayAggregator : baseAggregator,
            accumulator = initializer ? initializer() : {};

        return func(collection, setter, getIteratee(iteratee, 2), accumulator);
      };
    }

    /**
     * Creates a function like `_.assign`.
     *
     * @private
     * @param {Function} assigner The function to assign values.
     * @returns {Function} Returns the new assigner function.
     */
    function createAssigner(assigner) {
      return baseRest(function(object, sources) {
        var index = -1,
            length = sources.length,
            customizer = length > 1 ? sources[length - 1] : undefined,
            guard = length > 2 ? sources[2] : undefined;

        customizer = (assigner.length > 3 && typeof customizer == 'function')
          ? (length--, customizer)
          : undefined;

        if (guard && isIterateeCall(sources[0], sources[1], guard)) {
          customizer = length < 3 ? undefined : customizer;
          length = 1;
        }
        object = Object(object);
        while (++index < length) {
          var source = sources[index];
          if (source) {
            assigner(object, source, index, customizer);
          }
        }
        return object;
      });
    }

    /**
     * Creates a `baseEach` or `baseEachRight` function.
     *
     * @private
     * @param {Function} eachFunc The function to iterate over a collection.
     * @param {boolean} [fromRight] Specify iterating from right to left.
     * @returns {Function} Returns the new base function.
     */
    function createBaseEach(eachFunc, fromRight) {
      return function(collection, iteratee) {
        if (collection == null) {
          return collection;
        }
        if (!isArrayLike(collection)) {
          return eachFunc(collection, iteratee);
        }
        var length = collection.length,
            index = fromRight ? length : -1,
            iterable = Object(collection);

        while ((fromRight ? index-- : ++index < length)) {
          if (iteratee(iterable[index], index, iterable) === false) {
            break;
          }
        }
        return collection;
      };
    }

    /**
     * Creates a base function for methods like `_.forIn` and `_.forOwn`.
     *
     * @private
     * @param {boolean} [fromRight] Specify iterating from right to left.
     * @returns {Function} Returns the new base function.
     */
    function createBaseFor(fromRight) {
      return function(object, iteratee, keysFunc) {
        var index = -1,
            iterable = Object(object),
            props = keysFunc(object),
            length = props.length;

        while (length--) {
          var key = props[fromRight ? length : ++index];
          if (iteratee(iterable[key], key, iterable) === false) {
            break;
          }
        }
        return object;
      };
    }

    /**
     * Creates a function that wraps `func` to invoke it with the optional `this`
     * binding of `thisArg`.
     *
     * @private
     * @param {Function} func The function to wrap.
     * @param {number} bitmask The bitmask flags. See `createWrap` for more details.
     * @param {*} [thisArg] The `this` binding of `func`.
     * @returns {Function} Returns the new wrapped function.
     */
    function createBind(func, bitmask, thisArg) {
      var isBind = bitmask & WRAP_BIND_FLAG,
          Ctor = createCtor(func);

      function wrapper() {
        var fn = (this && this !== root && this instanceof wrapper) ? Ctor : func;
        return fn.apply(isBind ? thisArg : this, arguments);
      }
      return wrapper;
    }

    /**
     * Creates a function like `_.lowerFirst`.
     *
     * @private
     * @param {string} methodName The name of the `String` case method to use.
     * @returns {Function} Returns the new case function.
     */
    function createCaseFirst(methodName) {
      return function(string) {
        string = toString(string);

        var strSymbols = hasUnicode(string)
          ? stringToArray(string)
          : undefined;

        var chr = strSymbols
          ? strSymbols[0]
          : string.charAt(0);

        var trailing = strSymbols
          ? castSlice(strSymbols, 1).join('')
          : string.slice(1);

        return chr[methodName]() + trailing;
      };
    }

    /**
     * Creates a function like `_.camelCase`.
     *
     * @private
     * @param {Function} callback The function to combine each word.
     * @returns {Function} Returns the new compounder function.
     */
    function createCompounder(callback) {
      return function(string) {
        return arrayReduce(words(deburr(string).replace(reApos, '')), callback, '');
      };
    }

    /**
     * Creates a function that produces an instance of `Ctor` regardless of
     * whether it was invoked as part of a `new` expression or by `call` or `apply`.
     *
     * @private
     * @param {Function} Ctor The constructor to wrap.
     * @returns {Function} Returns the new wrapped function.
     */
    function createCtor(Ctor) {
      return function() {
        // Use a `switch` statement to work with class constructors. See
        // http://ecma-international.org/ecma-262/7.0/#sec-ecmascript-function-objects-call-thisargument-argumentslist
        // for more details.
        var args = arguments;
        switch (args.length) {
          case 0: return new Ctor;
          case 1: return new Ctor(args[0]);
          case 2: return new Ctor(args[0], args[1]);
          case 3: return new Ctor(args[0], args[1], args[2]);
          case 4: return new Ctor(args[0], args[1], args[2], args[3]);
          case 5: return new Ctor(args[0], args[1], args[2], args[3], args[4]);
          case 6: return new Ctor(args[0], args[1], args[2], args[3], args[4], args[5]);
          case 7: return new Ctor(args[0], args[1], args[2], args[3], args[4], args[5], args[6]);
        }
        var thisBinding = baseCreate(Ctor.prototype),
            result = Ctor.apply(thisBinding, args);

        // Mimic the constructor's `return` behavior.
        // See https://es5.github.io/#x13.2.2 for more details.
        return isObject(result) ? result : thisBinding;
      };
    }

    /**
     * Creates a function that wraps `func` to enable currying.
     *
     * @private
     * @param {Function} func The function to wrap.
     * @param {number} bitmask The bitmask flags. See `createWrap` for more details.
     * @param {number} arity The arity of `func`.
     * @returns {Function} Returns the new wrapped function.
     */
    function createCurry(func, bitmask, arity) {
      var Ctor = createCtor(func);

      function wrapper() {
        var length = arguments.length,
            args = Array(length),
            index = length,
            placeholder = getHolder(wrapper);

        while (index--) {
          args[index] = arguments[index];
        }
        var holders = (length < 3 && args[0] !== placeholder && args[length - 1] !== placeholder)
          ? []
          : replaceHolders(args, placeholder);

        length -= holders.length;
        if (length < arity) {
          return createRecurry(
            func, bitmask, createHybrid, wrapper.placeholder, undefined,
            args, holders, undefined, undefined, arity - length);
        }
        var fn = (this && this !== root && this instanceof wrapper) ? Ctor : func;
        return apply(fn, this, args);
      }
      return wrapper;
    }

    /**
     * Creates a `_.find` or `_.findLast` function.
     *
     * @private
     * @param {Function} findIndexFunc The function to find the collection index.
     * @returns {Function} Returns the new find function.
     */
    function createFind(findIndexFunc) {
      return function(collection, predicate, fromIndex) {
        var iterable = Object(collection);
        if (!isArrayLike(collection)) {
          var iteratee = getIteratee(predicate, 3);
          collection = keys(collection);
          predicate = function(key) { return iteratee(iterable[key], key, iterable); };
        }
        var index = findIndexFunc(collection, predicate, fromIndex);
        return index > -1 ? iterable[iteratee ? collection[index] : index] : undefined;
      };
    }

    /**
     * Creates a `_.flow` or `_.flowRight` function.
     *
     * @private
     * @param {boolean} [fromRight] Specify iterating from right to left.
     * @returns {Function} Returns the new flow function.
     */
    function createFlow(fromRight) {
      return flatRest(function(funcs) {
        var length = funcs.length,
            index = length,
            prereq = LodashWrapper.prototype.thru;

        if (fromRight) {
          funcs.reverse();
        }
        while (index--) {
          var func = funcs[index];
          if (typeof func != 'function') {
            throw new TypeError(FUNC_ERROR_TEXT);
          }
          if (prereq && !wrapper && getFuncName(func) == 'wrapper') {
            var wrapper = new LodashWrapper([], true);
          }
        }
        index = wrapper ? index : length;
        while (++index < length) {
          func = funcs[index];

          var funcName = getFuncName(func),
              data = funcName == 'wrapper' ? getData(func) : undefined;

          if (data && isLaziable(data[0]) &&
                data[1] == (WRAP_ARY_FLAG | WRAP_CURRY_FLAG | WRAP_PARTIAL_FLAG | WRAP_REARG_FLAG) &&
                !data[4].length && data[9] == 1
              ) {
            wrapper = wrapper[getFuncName(data[0])].apply(wrapper, data[3]);
          } else {
            wrapper = (func.length == 1 && isLaziable(func))
              ? wrapper[funcName]()
              : wrapper.thru(func);
          }
        }
        return function() {
          var args = arguments,
              value = args[0];

          if (wrapper && args.length == 1 && isArray(value)) {
            return wrapper.plant(value).value();
          }
          var index = 0,
              result = length ? funcs[index].apply(this, args) : value;

          while (++index < length) {
            result = funcs[index].call(this, result);
          }
          return result;
        };
      });
    }

    /**
     * Creates a function that wraps `func` to invoke it with optional `this`
     * binding of `thisArg`, partial application, and currying.
     *
     * @private
     * @param {Function|string} func The function or method name to wrap.
     * @param {number} bitmask The bitmask flags. See `createWrap` for more details.
     * @param {*} [thisArg] The `this` binding of `func`.
     * @param {Array} [partials] The arguments to prepend to those provided to
     *  the new function.
     * @param {Array} [holders] The `partials` placeholder indexes.
     * @param {Array} [partialsRight] The arguments to append to those provided
     *  to the new function.
     * @param {Array} [holdersRight] The `partialsRight` placeholder indexes.
     * @param {Array} [argPos] The argument positions of the new function.
     * @param {number} [ary] The arity cap of `func`.
     * @param {number} [arity] The arity of `func`.
     * @returns {Function} Returns the new wrapped function.
     */
    function createHybrid(func, bitmask, thisArg, partials, holders, partialsRight, holdersRight, argPos, ary, arity) {
      var isAry = bitmask & WRAP_ARY_FLAG,
          isBind = bitmask & WRAP_BIND_FLAG,
          isBindKey = bitmask & WRAP_BIND_KEY_FLAG,
          isCurried = bitmask & (WRAP_CURRY_FLAG | WRAP_CURRY_RIGHT_FLAG),
          isFlip = bitmask & WRAP_FLIP_FLAG,
          Ctor = isBindKey ? undefined : createCtor(func);

      function wrapper() {
        var length = arguments.length,
            args = Array(length),
            index = length;

        while (index--) {
          args[index] = arguments[index];
        }
        if (isCurried) {
          var placeholder = getHolder(wrapper),
              holdersCount = countHolders(args, placeholder);
        }
        if (partials) {
          args = composeArgs(args, partials, holders, isCurried);
        }
        if (partialsRight) {
          args = composeArgsRight(args, partialsRight, holdersRight, isCurried);
        }
        length -= holdersCount;
        if (isCurried && length < arity) {
          var newHolders = replaceHolders(args, placeholder);
          return createRecurry(
            func, bitmask, createHybrid, wrapper.placeholder, thisArg,
            args, newHolders, argPos, ary, arity - length
          );
        }
        var thisBinding = isBind ? thisArg : this,
            fn = isBindKey ? thisBinding[func] : func;

        length = args.length;
        if (argPos) {
          args = reorder(args, argPos);
        } else if (isFlip && length > 1) {
          args.reverse();
        }
        if (isAry && ary < length) {
          args.length = ary;
        }
        if (this && this !== root && this instanceof wrapper) {
          fn = Ctor || createCtor(fn);
        }
        return fn.apply(thisBinding, args);
      }
      return wrapper;
    }

    /**
     * Creates a function like `_.invertBy`.
     *
     * @private
     * @param {Function} setter The function to set accumulator values.
     * @param {Function} toIteratee The function to resolve iteratees.
     * @returns {Function} Returns the new inverter function.
     */
    function createInverter(setter, toIteratee) {
      return function(object, iteratee) {
        return baseInverter(object, setter, toIteratee(iteratee), {});
      };
    }

    /**
     * Creates a function that performs a mathematical operation on two values.
     *
     * @private
     * @param {Function} operator The function to perform the operation.
     * @param {number} [defaultValue] The value used for `undefined` arguments.
     * @returns {Function} Returns the new mathematical operation function.
     */
    function createMathOperation(operator, defaultValue) {
      return function(value, other) {
        var result;
        if (value === undefined && other === undefined) {
          return defaultValue;
        }
        if (value !== undefined) {
          result = value;
        }
        if (other !== undefined) {
          if (result === undefined) {
            return other;
          }
          if (typeof value == 'string' || typeof other == 'string') {
            value = baseToString(value);
            other = baseToString(other);
          } else {
            value = baseToNumber(value);
            other = baseToNumber(other);
          }
          result = operator(value, other);
        }
        return result;
      };
    }

    /**
     * Creates a function like `_.over`.
     *
     * @private
     * @param {Function} arrayFunc The function to iterate over iteratees.
     * @returns {Function} Returns the new over function.
     */
    function createOver(arrayFunc) {
      return flatRest(function(iteratees) {
        iteratees = arrayMap(iteratees, baseUnary(getIteratee()));
        return baseRest(function(args) {
          var thisArg = this;
          return arrayFunc(iteratees, function(iteratee) {
            return apply(iteratee, thisArg, args);
          });
        });
      });
    }

    /**
     * Creates the padding for `string` based on `length`. The `chars` string
     * is truncated if the number of characters exceeds `length`.
     *
     * @private
     * @param {number} length The padding length.
     * @param {string} [chars=' '] The string used as padding.
     * @returns {string} Returns the padding for `string`.
     */
    function createPadding(length, chars) {
      chars = chars === undefined ? ' ' : baseToString(chars);

      var charsLength = chars.length;
      if (charsLength < 2) {
        return charsLength ? baseRepeat(chars, length) : chars;
      }
      var result = baseRepeat(chars, nativeCeil(length / stringSize(chars)));
      return hasUnicode(chars)
        ? castSlice(stringToArray(result), 0, length).join('')
        : result.slice(0, length);
    }

    /**
     * Creates a function that wraps `func` to invoke it with the `this` binding
     * of `thisArg` and `partials` prepended to the arguments it receives.
     *
     * @private
     * @param {Function} func The function to wrap.
     * @param {number} bitmask The bitmask flags. See `createWrap` for more details.
     * @param {*} thisArg The `this` binding of `func`.
     * @param {Array} partials The arguments to prepend to those provided to
     *  the new function.
     * @returns {Function} Returns the new wrapped function.
     */
    function createPartial(func, bitmask, thisArg, partials) {
      var isBind = bitmask & WRAP_BIND_FLAG,
          Ctor = createCtor(func);

      function wrapper() {
        var argsIndex = -1,
            argsLength = arguments.length,
            leftIndex = -1,
            leftLength = partials.length,
            args = Array(leftLength + argsLength),
            fn = (this && this !== root && this instanceof wrapper) ? Ctor : func;

        while (++leftIndex < leftLength) {
          args[leftIndex] = partials[leftIndex];
        }
        while (argsLength--) {
          args[leftIndex++] = arguments[++argsIndex];
        }
        return apply(fn, isBind ? thisArg : this, args);
      }
      return wrapper;
    }

    /**
     * Creates a `_.range` or `_.rangeRight` function.
     *
     * @private
     * @param {boolean} [fromRight] Specify iterating from right to left.
     * @returns {Function} Returns the new range function.
     */
    function createRange(fromRight) {
      return function(start, end, step) {
        if (step && typeof step != 'number' && isIterateeCall(start, end, step)) {
          end = step = undefined;
        }
        // Ensure the sign of `-0` is preserved.
        start = toFinite(start);
        if (end === undefined) {
          end = start;
          start = 0;
        } else {
          end = toFinite(end);
        }
        step = step === undefined ? (start < end ? 1 : -1) : toFinite(step);
        return baseRange(start, end, step, fromRight);
      };
    }

    /**
     * Creates a function that performs a relational operation on two values.
     *
     * @private
     * @param {Function} operator The function to perform the operation.
     * @returns {Function} Returns the new relational operation function.
     */
    function createRelationalOperation(operator) {
      return function(value, other) {
        if (!(typeof value == 'string' && typeof other == 'string')) {
          value = toNumber(value);
          other = toNumber(other);
        }
        return operator(value, other);
      };
    }

    /**
     * Creates a function that wraps `func` to continue currying.
     *
     * @private
     * @param {Function} func The function to wrap.
     * @param {number} bitmask The bitmask flags. See `createWrap` for more details.
     * @param {Function} wrapFunc The function to create the `func` wrapper.
     * @param {*} placeholder The placeholder value.
     * @param {*} [thisArg] The `this` binding of `func`.
     * @param {Array} [partials] The arguments to prepend to those provided to
     *  the new function.
     * @param {Array} [holders] The `partials` placeholder indexes.
     * @param {Array} [argPos] The argument positions of the new function.
     * @param {number} [ary] The arity cap of `func`.
     * @param {number} [arity] The arity of `func`.
     * @returns {Function} Returns the new wrapped function.
     */
    function createRecurry(func, bitmask, wrapFunc, placeholder, thisArg, partials, holders, argPos, ary, arity) {
      var isCurry = bitmask & WRAP_CURRY_FLAG,
          newHolders = isCurry ? holders : undefined,
          newHoldersRight = isCurry ? undefined : holders,
          newPartials = isCurry ? partials : undefined,
          newPartialsRight = isCurry ? undefined : partials;

      bitmask |= (isCurry ? WRAP_PARTIAL_FLAG : WRAP_PARTIAL_RIGHT_FLAG);
      bitmask &= ~(isCurry ? WRAP_PARTIAL_RIGHT_FLAG : WRAP_PARTIAL_FLAG);

      if (!(bitmask & WRAP_CURRY_BOUND_FLAG)) {
        bitmask &= ~(WRAP_BIND_FLAG | WRAP_BIND_KEY_FLAG);
      }
      var newData = [
        func, bitmask, thisArg, newPartials, newHolders, newPartialsRight,
        newHoldersRight, argPos, ary, arity
      ];

      var result = wrapFunc.apply(undefined, newData);
      if (isLaziable(func)) {
        setData(result, newData);
      }
      result.placeholder = placeholder;
      return setWrapToString(result, func, bitmask);
    }

    /**
     * Creates a function like `_.round`.
     *
     * @private
     * @param {string} methodName The name of the `Math` method to use when rounding.
     * @returns {Function} Returns the new round function.
     */
    function createRound(methodName) {
      var func = Math[methodName];
      return function(number, precision) {
        number = toNumber(number);
        precision = precision == null ? 0 : nativeMin(toInteger(precision), 292);
        if (precision && nativeIsFinite(number)) {
          // Shift with exponential notation to avoid floating-point issues.
          // See [MDN](https://mdn.io/round#Examples) for more details.
          var pair = (toString(number) + 'e').split('e'),
              value = func(pair[0] + 'e' + (+pair[1] + precision));

          pair = (toString(value) + 'e').split('e');
          return +(pair[0] + 'e' + (+pair[1] - precision));
        }
        return func(number);
      };
    }

    /**
     * Creates a set object of `values`.
     *
     * @private
     * @param {Array} values The values to add to the set.
     * @returns {Object} Returns the new set.
     */
    var createSet = !(Set && (1 / setToArray(new Set([,-0]))[1]) == INFINITY) ? noop : function(values) {
      return new Set(values);
    };

    /**
     * Creates a `_.toPairs` or `_.toPairsIn` function.
     *
     * @private
     * @param {Function} keysFunc The function to get the keys of a given object.
     * @returns {Function} Returns the new pairs function.
     */
    function createToPairs(keysFunc) {
      return function(object) {
        var tag = getTag(object);
        if (tag == mapTag) {
          return mapToArray(object);
        }
        if (tag == setTag) {
          return setToPairs(object);
        }
        return baseToPairs(object, keysFunc(object));
      };
    }

    /**
     * Creates a function that either curries or invokes `func` with optional
     * `this` binding and partially applied arguments.
     *
     * @private
     * @param {Function|string} func The function or method name to wrap.
     * @param {number} bitmask The bitmask flags.
     *    1 - `_.bind`
     *    2 - `_.bindKey`
     *    4 - `_.curry` or `_.curryRight` of a bound function
     *    8 - `_.curry`
     *   16 - `_.curryRight`
     *   32 - `_.partial`
     *   64 - `_.partialRight`
     *  128 - `_.rearg`
     *  256 - `_.ary`
     *  512 - `_.flip`
     * @param {*} [thisArg] The `this` binding of `func`.
     * @param {Array} [partials] The arguments to be partially applied.
     * @param {Array} [holders] The `partials` placeholder indexes.
     * @param {Array} [argPos] The argument positions of the new function.
     * @param {number} [ary] The arity cap of `func`.
     * @param {number} [arity] The arity of `func`.
     * @returns {Function} Returns the new wrapped function.
     */
    function createWrap(func, bitmask, thisArg, partials, holders, argPos, ary, arity) {
      var isBindKey = bitmask & WRAP_BIND_KEY_FLAG;
      if (!isBindKey && typeof func != 'function') {
        throw new TypeError(FUNC_ERROR_TEXT);
      }
      var length = partials ? partials.length : 0;
      if (!length) {
        bitmask &= ~(WRAP_PARTIAL_FLAG | WRAP_PARTIAL_RIGHT_FLAG);
        partials = holders = undefined;
      }
      ary = ary === undefined ? ary : nativeMax(toInteger(ary), 0);
      arity = arity === undefined ? arity : toInteger(arity);
      length -= holders ? holders.length : 0;

      if (bitmask & WRAP_PARTIAL_RIGHT_FLAG) {
        var partialsRight = partials,
            holdersRight = holders;

        partials = holders = undefined;
      }
      var data = isBindKey ? undefined : getData(func);

      var newData = [
        func, bitmask, thisArg, partials, holders, partialsRight, holdersRight,
        argPos, ary, arity
      ];

      if (data) {
        mergeData(newData, data);
      }
      func = newData[0];
      bitmask = newData[1];
      thisArg = newData[2];
      partials = newData[3];
      holders = newData[4];
      arity = newData[9] = newData[9] === undefined
        ? (isBindKey ? 0 : func.length)
        : nativeMax(newData[9] - length, 0);

      if (!arity && bitmask & (WRAP_CURRY_FLAG | WRAP_CURRY_RIGHT_FLAG)) {
        bitmask &= ~(WRAP_CURRY_FLAG | WRAP_CURRY_RIGHT_FLAG);
      }
      if (!bitmask || bitmask == WRAP_BIND_FLAG) {
        var result = createBind(func, bitmask, thisArg);
      } else if (bitmask == WRAP_CURRY_FLAG || bitmask == WRAP_CURRY_RIGHT_FLAG) {
        result = createCurry(func, bitmask, arity);
      } else if ((bitmask == WRAP_PARTIAL_FLAG || bitmask == (WRAP_BIND_FLAG | WRAP_PARTIAL_FLAG)) && !holders.length) {
        result = createPartial(func, bitmask, thisArg, partials);
      } else {
        result = createHybrid.apply(undefined, newData);
      }
      var setter = data ? baseSetData : setData;
      return setWrapToString(setter(result, newData), func, bitmask);
    }

    /**
     * Used by `_.defaults` to customize its `_.assignIn` use to assign properties
     * of source objects to the destination object for all destination properties
     * that resolve to `undefined`.
     *
     * @private
     * @param {*} objValue The destination value.
     * @param {*} srcValue The source value.
     * @param {string} key The key of the property to assign.
     * @param {Object} object The parent object of `objValue`.
     * @returns {*} Returns the value to assign.
     */
    function customDefaultsAssignIn(objValue, srcValue, key, object) {
      if (objValue === undefined ||
          (eq(objValue, objectProto[key]) && !hasOwnProperty.call(object, key))) {
        return srcValue;
      }
      return objValue;
    }

    /**
     * Used by `_.defaultsDeep` to customize its `_.merge` use to merge source
     * objects into destination objects that are passed thru.
     *
     * @private
     * @param {*} objValue The destination value.
     * @param {*} srcValue The source value.
     * @param {string} key The key of the property to merge.
     * @param {Object} object The parent object of `objValue`.
     * @param {Object} source The parent object of `srcValue`.
     * @param {Object} [stack] Tracks traversed source values and their merged
     *  counterparts.
     * @returns {*} Returns the value to assign.
     */
    function customDefaultsMerge(objValue, srcValue, key, object, source, stack) {
      if (isObject(objValue) && isObject(srcValue)) {
        // Recursively merge objects and arrays (susceptible to call stack limits).
        stack.set(srcValue, objValue);
        baseMerge(objValue, srcValue, undefined, customDefaultsMerge, stack);
        stack['delete'](srcValue);
      }
      return objValue;
    }

    /**
     * Used by `_.omit` to customize its `_.cloneDeep` use to only clone plain
     * objects.
     *
     * @private
     * @param {*} value The value to inspect.
     * @param {string} key The key of the property to inspect.
     * @returns {*} Returns the uncloned value or `undefined` to defer cloning to `_.cloneDeep`.
     */
    function customOmitClone(value) {
      return isPlainObject(value) ? undefined : value;
    }

    /**
     * A specialized version of `baseIsEqualDeep` for arrays with support for
     * partial deep comparisons.
     *
     * @private
     * @param {Array} array The array to compare.
     * @param {Array} other The other array to compare.
     * @param {number} bitmask The bitmask flags. See `baseIsEqual` for more details.
     * @param {Function} customizer The function to customize comparisons.
     * @param {Function} equalFunc The function to determine equivalents of values.
     * @param {Object} stack Tracks traversed `array` and `other` objects.
     * @returns {boolean} Returns `true` if the arrays are equivalent, else `false`.
     */
    function equalArrays(array, other, bitmask, customizer, equalFunc, stack) {
      var isPartial = bitmask & COMPARE_PARTIAL_FLAG,
          arrLength = array.length,
          othLength = other.length;

      if (arrLength != othLength && !(isPartial && othLength > arrLength)) {
        return false;
      }
      // Check that cyclic values are equal.
      var arrStacked = stack.get(array);
      var othStacked = stack.get(other);
      if (arrStacked && othStacked) {
        return arrStacked == other && othStacked == array;
      }
      var index = -1,
          result = true,
          seen = (bitmask & COMPARE_UNORDERED_FLAG) ? new SetCache : undefined;

      stack.set(array, other);
      stack.set(other, array);

      // Ignore non-index properties.
      while (++index < arrLength) {
        var arrValue = array[index],
            othValue = other[index];

        if (customizer) {
          var compared = isPartial
            ? customizer(othValue, arrValue, index, other, array, stack)
            : customizer(arrValue, othValue, index, array, other, stack);
        }
        if (compared !== undefined) {
          if (compared) {
            continue;
          }
          result = false;
          break;
        }
        // Recursively compare arrays (susceptible to call stack limits).
        if (seen) {
          if (!arraySome(other, function(othValue, othIndex) {
                if (!cacheHas(seen, othIndex) &&
                    (arrValue === othValue || equalFunc(arrValue, othValue, bitmask, customizer, stack))) {
                  return seen.push(othIndex);
                }
              })) {
            result = false;
            break;
          }
        } else if (!(
              arrValue === othValue ||
                equalFunc(arrValue, othValue, bitmask, customizer, stack)
            )) {
          result = false;
          break;
        }
      }
      stack['delete'](array);
      stack['delete'](other);
      return result;
    }

    /**
     * A specialized version of `baseIsEqualDeep` for comparing objects of
     * the same `toStringTag`.
     *
     * **Note:** This function only supports comparing values with tags of
     * `Boolean`, `Date`, `Error`, `Number`, `RegExp`, or `String`.
     *
     * @private
     * @param {Object} object The object to compare.
     * @param {Object} other The other object to compare.
     * @param {string} tag The `toStringTag` of the objects to compare.
     * @param {number} bitmask The bitmask flags. See `baseIsEqual` for more details.
     * @param {Function} customizer The function to customize comparisons.
     * @param {Function} equalFunc The function to determine equivalents of values.
     * @param {Object} stack Tracks traversed `object` and `other` objects.
     * @returns {boolean} Returns `true` if the objects are equivalent, else `false`.
     */
    function equalByTag(object, other, tag, bitmask, customizer, equalFunc, stack) {
      switch (tag) {
        case dataViewTag:
          if ((object.byteLength != other.byteLength) ||
              (object.byteOffset != other.byteOffset)) {
            return false;
          }
          object = object.buffer;
          other = other.buffer;

        case arrayBufferTag:
          if ((object.byteLength != other.byteLength) ||
              !equalFunc(new Uint8Array(object), new Uint8Array(other))) {
            return false;
          }
          return true;

        case boolTag:
        case dateTag:
        case numberTag:
          // Coerce booleans to `1` or `0` and dates to milliseconds.
          // Invalid dates are coerced to `NaN`.
          return eq(+object, +other);

        case errorTag:
          return object.name == other.name && object.message == other.message;

        case regexpTag:
        case stringTag:
          // Coerce regexes to strings and treat strings, primitives and objects,
          // as equal. See http://www.ecma-international.org/ecma-262/7.0/#sec-regexp.prototype.tostring
          // for more details.
          return object == (other + '');

        case mapTag:
          var convert = mapToArray;

        case setTag:
          var isPartial = bitmask & COMPARE_PARTIAL_FLAG;
          convert || (convert = setToArray);

          if (object.size != other.size && !isPartial) {
            return false;
          }
          // Assume cyclic values are equal.
          var stacked = stack.get(object);
          if (stacked) {
            return stacked == other;
          }
          bitmask |= COMPARE_UNORDERED_FLAG;

          // Recursively compare objects (susceptible to call stack limits).
          stack.set(object, other);
          var result = equalArrays(convert(object), convert(other), bitmask, customizer, equalFunc, stack);
          stack['delete'](object);
          return result;

        case symbolTag:
          if (symbolValueOf) {
            return symbolValueOf.call(object) == symbolValueOf.call(other);
          }
      }
      return false;
    }

    /**
     * A specialized version of `baseIsEqualDeep` for objects with support for
     * partial deep comparisons.
     *
     * @private
     * @param {Object} object The object to compare.
     * @param {Object} other The other object to compare.
     * @param {number} bitmask The bitmask flags. See `baseIsEqual` for more details.
     * @param {Function} customizer The function to customize comparisons.
     * @param {Function} equalFunc The function to determine equivalents of values.
     * @param {Object} stack Tracks traversed `object` and `other` objects.
     * @returns {boolean} Returns `true` if the objects are equivalent, else `false`.
     */
    function equalObjects(object, other, bitmask, customizer, equalFunc, stack) {
      var isPartial = bitmask & COMPARE_PARTIAL_FLAG,
          objProps = getAllKeys(object),
          objLength = objProps.length,
          othProps = getAllKeys(other),
          othLength = othProps.length;

      if (objLength != othLength && !isPartial) {
        return false;
      }
      var index = objLength;
      while (index--) {
        var key = objProps[index];
        if (!(isPartial ? key in other : hasOwnProperty.call(other, key))) {
          return false;
        }
      }
      // Check that cyclic values are equal.
      var objStacked = stack.get(object);
      var othStacked = stack.get(other);
      if (objStacked && othStacked) {
        return objStacked == other && othStacked == object;
      }
      var result = true;
      stack.set(object, other);
      stack.set(other, object);

      var skipCtor = isPartial;
      while (++index < objLength) {
        key = objProps[index];
        var objValue = object[key],
            othValue = other[key];

        if (customizer) {
          var compared = isPartial
            ? customizer(othValue, objValue, key, other, object, stack)
            : customizer(objValue, othValue, key, object, other, stack);
        }
        // Recursively compare objects (susceptible to call stack limits).
        if (!(compared === undefined
              ? (objValue === othValue || equalFunc(objValue, othValue, bitmask, customizer, stack))
              : compared
            )) {
          result = false;
          break;
        }
        skipCtor || (skipCtor = key == 'constructor');
      }
      if (result && !skipCtor) {
        var objCtor = object.constructor,
            othCtor = other.constructor;

        // Non `Object` object instances with different constructors are not equal.
        if (objCtor != othCtor &&
            ('constructor' in object && 'constructor' in other) &&
            !(typeof objCtor == 'function' && objCtor instanceof objCtor &&
              typeof othCtor == 'function' && othCtor instanceof othCtor)) {
          result = false;
        }
      }
      stack['delete'](object);
      stack['delete'](other);
      return result;
    }

    /**
     * A specialized version of `baseRest` which flattens the rest array.
     *
     * @private
     * @param {Function} func The function to apply a rest parameter to.
     * @returns {Function} Returns the new function.
     */
    function flatRest(func) {
      return setToString(overRest(func, undefined, flatten), func + '');
    }

    /**
     * Creates an array of own enumerable property names and symbols of `object`.
     *
     * @private
     * @param {Object} object The object to query.
     * @returns {Array} Returns the array of property names and symbols.
     */
    function getAllKeys(object) {
      return baseGetAllKeys(object, keys, getSymbols);
    }

    /**
     * Creates an array of own and inherited enumerable property names and
     * symbols of `object`.
     *
     * @private
     * @param {Object} object The object to query.
     * @returns {Array} Returns the array of property names and symbols.
     */
    function getAllKeysIn(object) {
      return baseGetAllKeys(object, keysIn, getSymbolsIn);
    }

    /**
     * Gets metadata for `func`.
     *
     * @private
     * @param {Function} func The function to query.
     * @returns {*} Returns the metadata for `func`.
     */
    var getData = !metaMap ? noop : function(func) {
      return metaMap.get(func);
    };

    /**
     * Gets the name of `func`.
     *
     * @private
     * @param {Function} func The function to query.
     * @returns {string} Returns the function name.
     */
    function getFuncName(func) {
      var result = (func.name + ''),
          array = realNames[result],
          length = hasOwnProperty.call(realNames, result) ? array.length : 0;

      while (length--) {
        var data = array[length],
            otherFunc = data.func;
        if (otherFunc == null || otherFunc == func) {
          return data.name;
        }
      }
      return result;
    }

    /**
     * Gets the argument placeholder value for `func`.
     *
     * @private
     * @param {Function} func The function to inspect.
     * @returns {*} Returns the placeholder value.
     */
    function getHolder(func) {
      var object = hasOwnProperty.call(lodash, 'placeholder') ? lodash : func;
      return object.placeholder;
    }

    /**
     * Gets the appropriate "iteratee" function. If `_.iteratee` is customized,
     * this function returns the custom method, otherwise it returns `baseIteratee`.
     * If arguments are provided, the chosen function is invoked with them and
     * its result is returned.
     *
     * @private
     * @param {*} [value] The value to convert to an iteratee.
     * @param {number} [arity] The arity of the created iteratee.
     * @returns {Function} Returns the chosen function or its result.
     */
    function getIteratee() {
      var result = lodash.iteratee || iteratee;
      result = result === iteratee ? baseIteratee : result;
      return arguments.length ? result(arguments[0], arguments[1]) : result;
    }

    /**
     * Gets the data for `map`.
     *
     * @private
     * @param {Object} map The map to query.
     * @param {string} key The reference key.
     * @returns {*} Returns the map data.
     */
    function getMapData(map, key) {
      var data = map.__data__;
      return isKeyable(key)
        ? data[typeof key == 'string' ? 'string' : 'hash']
        : data.map;
    }

    /**
     * Gets the property names, values, and compare flags of `object`.
     *
     * @private
     * @param {Object} object The object to query.
     * @returns {Array} Returns the match data of `object`.
     */
    function getMatchData(object) {
      var result = keys(object),
          length = result.length;

      while (length--) {
        var key = result[length],
            value = object[key];

        result[length] = [key, value, isStrictComparable(value)];
      }
      return result;
    }

    /**
     * Gets the native function at `key` of `object`.
     *
     * @private
     * @param {Object} object The object to query.
     * @param {string} key The key of the method to get.
     * @returns {*} Returns the function if it's native, else `undefined`.
     */
    function getNative(object, key) {
      var value = getValue(object, key);
      return baseIsNative(value) ? value : undefined;
    }

    /**
     * A specialized version of `baseGetTag` which ignores `Symbol.toStringTag` values.
     *
     * @private
     * @param {*} value The value to query.
     * @returns {string} Returns the raw `toStringTag`.
     */
    function getRawTag(value) {
      var isOwn = hasOwnProperty.call(value, symToStringTag),
          tag = value[symToStringTag];

      try {
        value[symToStringTag] = undefined;
        var unmasked = true;
      } catch (e) {}

      var result = nativeObjectToString.call(value);
      if (unmasked) {
        if (isOwn) {
          value[symToStringTag] = tag;
        } else {
          delete value[symToStringTag];
        }
      }
      return result;
    }

    /**
     * Creates an array of the own enumerable symbols of `object`.
     *
     * @private
     * @param {Object} object The object to query.
     * @returns {Array} Returns the array of symbols.
     */
    var getSymbols = !nativeGetSymbols ? stubArray : function(object) {
      if (object == null) {
        return [];
      }
      object = Object(object);
      return arrayFilter(nativeGetSymbols(object), function(symbol) {
        return propertyIsEnumerable.call(object, symbol);
      });
    };

    /**
     * Creates an array of the own and inherited enumerable symbols of `object`.
     *
     * @private
     * @param {Object} object The object to query.
     * @returns {Array} Returns the array of symbols.
     */
    var getSymbolsIn = !nativeGetSymbols ? stubArray : function(object) {
      var result = [];
      while (object) {
        arrayPush(result, getSymbols(object));
        object = getPrototype(object);
      }
      return result;
    };

    /**
     * Gets the `toStringTag` of `value`.
     *
     * @private
     * @param {*} value The value to query.
     * @returns {string} Returns the `toStringTag`.
     */
    var getTag = baseGetTag;

    // Fallback for data views, maps, sets, and weak maps in IE 11 and promises in Node.js < 6.
    if ((DataView && getTag(new DataView(new ArrayBuffer(1))) != dataViewTag) ||
        (Map && getTag(new Map) != mapTag) ||
        (Promise && getTag(Promise.resolve()) != promiseTag) ||
        (Set && getTag(new Set) != setTag) ||
        (WeakMap && getTag(new WeakMap) != weakMapTag)) {
      getTag = function(value) {
        var result = baseGetTag(value),
            Ctor = result == objectTag ? value.constructor : undefined,
            ctorString = Ctor ? toSource(Ctor) : '';

        if (ctorString) {
          switch (ctorString) {
            case dataViewCtorString: return dataViewTag;
            case mapCtorString: return mapTag;
            case promiseCtorString: return promiseTag;
            case setCtorString: return setTag;
            case weakMapCtorString: return weakMapTag;
          }
        }
        return result;
      };
    }

    /**
     * Gets the view, applying any `transforms` to the `start` and `end` positions.
     *
     * @private
     * @param {number} start The start of the view.
     * @param {number} end The end of the view.
     * @param {Array} transforms The transformations to apply to the view.
     * @returns {Object} Returns an object containing the `start` and `end`
     *  positions of the view.
     */
    function getView(start, end, transforms) {
      var index = -1,
          length = transforms.length;

      while (++index < length) {
        var data = transforms[index],
            size = data.size;

        switch (data.type) {
          case 'drop':      start += size; break;
          case 'dropRight': end -= size; break;
          case 'take':      end = nativeMin(end, start + size); break;
          case 'takeRight': start = nativeMax(start, end - size); break;
        }
      }
      return { 'start': start, 'end': end };
    }

    /**
     * Extracts wrapper details from the `source` body comment.
     *
     * @private
     * @param {string} source The source to inspect.
     * @returns {Array} Returns the wrapper details.
     */
    function getWrapDetails(source) {
      var match = source.match(reWrapDetails);
      return match ? match[1].split(reSplitDetails) : [];
    }

    /**
     * Checks if `path` exists on `object`.
     *
     * @private
     * @param {Object} object The object to query.
     * @param {Array|string} path The path to check.
     * @param {Function} hasFunc The function to check properties.
     * @returns {boolean} Returns `true` if `path` exists, else `false`.
     */
    function hasPath(object, path, hasFunc) {
      path = castPath(path, object);

      var index = -1,
          length = path.length,
          result = false;

      while (++index < length) {
        var key = toKey(path[index]);
        if (!(result = object != null && hasFunc(object, key))) {
          break;
        }
        object = object[key];
      }
      if (result || ++index != length) {
        return result;
      }
      length = object == null ? 0 : object.length;
      return !!length && isLength(length) && isIndex(key, length) &&
        (isArray(object) || isArguments(object));
    }

    /**
     * Initializes an array clone.
     *
     * @private
     * @param {Array} array The array to clone.
     * @returns {Array} Returns the initialized clone.
     */
    function initCloneArray(array) {
      var length = array.length,
          result = new array.constructor(length);

      // Add properties assigned by `RegExp#exec`.
      if (length && typeof array[0] == 'string' && hasOwnProperty.call(array, 'index')) {
        result.index = array.index;
        result.input = array.input;
      }
      return result;
    }

    /**
     * Initializes an object clone.
     *
     * @private
     * @param {Object} object The object to clone.
     * @returns {Object} Returns the initialized clone.
     */
    function initCloneObject(object) {
      return (typeof object.constructor == 'function' && !isPrototype(object))
        ? baseCreate(getPrototype(object))
        : {};
    }

    /**
     * Initializes an object clone based on its `toStringTag`.
     *
     * **Note:** This function only supports cloning values with tags of
     * `Boolean`, `Date`, `Error`, `Map`, `Number`, `RegExp`, `Set`, or `String`.
     *
     * @private
     * @param {Object} object The object to clone.
     * @param {string} tag The `toStringTag` of the object to clone.
     * @param {boolean} [isDeep] Specify a deep clone.
     * @returns {Object} Returns the initialized clone.
     */
    function initCloneByTag(object, tag, isDeep) {
      var Ctor = object.constructor;
      switch (tag) {
        case arrayBufferTag:
          return cloneArrayBuffer(object);

        case boolTag:
        case dateTag:
          return new Ctor(+object);

        case dataViewTag:
          return cloneDataView(object, isDeep);

        case float32Tag: case float64Tag:
        case int8Tag: case int16Tag: case int32Tag:
        case uint8Tag: case uint8ClampedTag: case uint16Tag: case uint32Tag:
          return cloneTypedArray(object, isDeep);

        case mapTag:
          return new Ctor;

        case numberTag:
        case stringTag:
          return new Ctor(object);

        case regexpTag:
          return cloneRegExp(object);

        case setTag:
          return new Ctor;

        case symbolTag:
          return cloneSymbol(object);
      }
    }

    /**
     * Inserts wrapper `details` in a comment at the top of the `source` body.
     *
     * @private
     * @param {string} source The source to modify.
     * @returns {Array} details The details to insert.
     * @returns {string} Returns the modified source.
     */
    function insertWrapDetails(source, details) {
      var length = details.length;
      if (!length) {
        return source;
      }
      var lastIndex = length - 1;
      details[lastIndex] = (length > 1 ? '& ' : '') + details[lastIndex];
      details = details.join(length > 2 ? ', ' : ' ');
      return source.replace(reWrapComment, '{\n/* [wrapped with ' + details + '] */\n');
    }

    /**
     * Checks if `value` is a flattenable `arguments` object or array.
     *
     * @private
     * @param {*} value The value to check.
     * @returns {boolean} Returns `true` if `value` is flattenable, else `false`.
     */
    function isFlattenable(value) {
      return isArray(value) || isArguments(value) ||
        !!(spreadableSymbol && value && value[spreadableSymbol]);
    }

    /**
     * Checks if `value` is a valid array-like index.
     *
     * @private
     * @param {*} value The value to check.
     * @param {number} [length=MAX_SAFE_INTEGER] The upper bounds of a valid index.
     * @returns {boolean} Returns `true` if `value` is a valid index, else `false`.
     */
    function isIndex(value, length) {
      var type = typeof value;
      length = length == null ? MAX_SAFE_INTEGER : length;

      return !!length &&
        (type == 'number' ||
          (type != 'symbol' && reIsUint.test(value))) &&
            (value > -1 && value % 1 == 0 && value < length);
    }

    /**
     * Checks if the given arguments are from an iteratee call.
     *
     * @private
     * @param {*} value The potential iteratee value argument.
     * @param {*} index The potential iteratee index or key argument.
     * @param {*} object The potential iteratee object argument.
     * @returns {boolean} Returns `true` if the arguments are from an iteratee call,
     *  else `false`.
     */
    function isIterateeCall(value, index, object) {
      if (!isObject(object)) {
        return false;
      }
      var type = typeof index;
      if (type == 'number'
            ? (isArrayLike(object) && isIndex(index, object.length))
            : (type == 'string' && index in object)
          ) {
        return eq(object[index], value);
      }
      return false;
    }

    /**
     * Checks if `value` is a property name and not a property path.
     *
     * @private
     * @param {*} value The value to check.
     * @param {Object} [object] The object to query keys on.
     * @returns {boolean} Returns `true` if `value` is a property name, else `false`.
     */
    function isKey(value, object) {
      if (isArray(value)) {
        return false;
      }
      var type = typeof value;
      if (type == 'number' || type == 'symbol' || type == 'boolean' ||
          value == null || isSymbol(value)) {
        return true;
      }
      return reIsPlainProp.test(value) || !reIsDeepProp.test(value) ||
        (object != null && value in Object(object));
    }

    /**
     * Checks if `value` is suitable for use as unique object key.
     *
     * @private
     * @param {*} value The value to check.
     * @returns {boolean} Returns `true` if `value` is suitable, else `false`.
     */
    function isKeyable(value) {
      var type = typeof value;
      return (type == 'string' || type == 'number' || type == 'symbol' || type == 'boolean')
        ? (value !== '__proto__')
        : (value === null);
    }

    /**
     * Checks if `func` has a lazy counterpart.
     *
     * @private
     * @param {Function} func The function to check.
     * @returns {boolean} Returns `true` if `func` has a lazy counterpart,
     *  else `false`.
     */
    function isLaziable(func) {
      var funcName = getFuncName(func),
          other = lodash[funcName];

      if (typeof other != 'function' || !(funcName in LazyWrapper.prototype)) {
        return false;
      }
      if (func === other) {
        return true;
      }
      var data = getData(other);
      return !!data && func === data[0];
    }

    /**
     * Checks if `func` has its source masked.
     *
     * @private
     * @param {Function} func The function to check.
     * @returns {boolean} Returns `true` if `func` is masked, else `false`.
     */
    function isMasked(func) {
      return !!maskSrcKey && (maskSrcKey in func);
    }

    /**
     * Checks if `func` is capable of being masked.
     *
     * @private
     * @param {*} value The value to check.
     * @returns {boolean} Returns `true` if `func` is maskable, else `false`.
     */
    var isMaskable = coreJsData ? isFunction : stubFalse;

    /**
     * Checks if `value` is likely a prototype object.
     *
     * @private
     * @param {*} value The value to check.
     * @returns {boolean} Returns `true` if `value` is a prototype, else `false`.
     */
    function isPrototype(value) {
      var Ctor = value && value.constructor,
          proto = (typeof Ctor == 'function' && Ctor.prototype) || objectProto;

      return value === proto;
    }

    /**
     * Checks if `value` is suitable for strict equality comparisons, i.e. `===`.
     *
     * @private
     * @param {*} value The value to check.
     * @returns {boolean} Returns `true` if `value` if suitable for strict
     *  equality comparisons, else `false`.
     */
    function isStrictComparable(value) {
      return value === value && !isObject(value);
    }

    /**
     * A specialized version of `matchesProperty` for source values suitable
     * for strict equality comparisons, i.e. `===`.
     *
     * @private
     * @param {string} key The key of the property to get.
     * @param {*} srcValue The value to match.
     * @returns {Function} Returns the new spec function.
     */
    function matchesStrictComparable(key, srcValue) {
      return function(object) {
        if (object == null) {
          return false;
        }
        return object[key] === srcValue &&
          (srcValue !== undefined || (key in Object(object)));
      };
    }

    /**
     * A specialized version of `_.memoize` which clears the memoized function's
     * cache when it exceeds `MAX_MEMOIZE_SIZE`.
     *
     * @private
     * @param {Function} func The function to have its output memoized.
     * @returns {Function} Returns the new memoized function.
     */
    function memoizeCapped(func) {
      var result = memoize(func, function(key) {
        if (cache.size === MAX_MEMOIZE_SIZE) {
          cache.clear();
        }
        return key;
      });

      var cache = result.cache;
      return result;
    }

    /**
     * Merges the function metadata of `source` into `data`.
     *
     * Merging metadata reduces the number of wrappers used to invoke a function.
     * This is possible because methods like `_.bind`, `_.curry`, and `_.partial`
     * may be applied regardless of execution order. Methods like `_.ary` and
     * `_.rearg` modify function arguments, making the order in which they are
     * executed important, preventing the merging of metadata. However, we make
     * an exception for a safe combined case where curried functions have `_.ary`
     * and or `_.rearg` applied.
     *
     * @private
     * @param {Array} data The destination metadata.
     * @param {Array} source The source metadata.
     * @returns {Array} Returns `data`.
     */
    function mergeData(data, source) {
      var bitmask = data[1],
          srcBitmask = source[1],
          newBitmask = bitmask | srcBitmask,
          isCommon = newBitmask < (WRAP_BIND_FLAG | WRAP_BIND_KEY_FLAG | WRAP_ARY_FLAG);

      var isCombo =
        ((srcBitmask == WRAP_ARY_FLAG) && (bitmask == WRAP_CURRY_FLAG)) ||
        ((srcBitmask == WRAP_ARY_FLAG) && (bitmask == WRAP_REARG_FLAG) && (data[7].length <= source[8])) ||
        ((srcBitmask == (WRAP_ARY_FLAG | WRAP_REARG_FLAG)) && (source[7].length <= source[8]) && (bitmask == WRAP_CURRY_FLAG));

      // Exit early if metadata can't be merged.
      if (!(isCommon || isCombo)) {
        return data;
      }
      // Use source `thisArg` if available.
      if (srcBitmask & WRAP_BIND_FLAG) {
        data[2] = source[2];
        // Set when currying a bound function.
        newBitmask |= bitmask & WRAP_BIND_FLAG ? 0 : WRAP_CURRY_BOUND_FLAG;
      }
      // Compose partial arguments.
      var value = source[3];
      if (value) {
        var partials = data[3];
        data[3] = partials ? composeArgs(partials, value, source[4]) : value;
        data[4] = partials ? replaceHolders(data[3], PLACEHOLDER) : source[4];
      }
      // Compose partial right arguments.
      value = source[5];
      if (value) {
        partials = data[5];
        data[5] = partials ? composeArgsRight(partials, value, source[6]) : value;
        data[6] = partials ? replaceHolders(data[5], PLACEHOLDER) : source[6];
      }
      // Use source `argPos` if available.
      value = source[7];
      if (value) {
        data[7] = value;
      }
      // Use source `ary` if it's smaller.
      if (srcBitmask & WRAP_ARY_FLAG) {
        data[8] = data[8] == null ? source[8] : nativeMin(data[8], source[8]);
      }
      // Use source `arity` if one is not provided.
      if (data[9] == null) {
        data[9] = source[9];
      }
      // Use source `func` and merge bitmasks.
      data[0] = source[0];
      data[1] = newBitmask;

      return data;
    }

    /**
     * This function is like
     * [`Object.keys`](http://ecma-international.org/ecma-262/7.0/#sec-object.keys)
     * except that it includes inherited enumerable properties.
     *
     * @private
     * @param {Object} object The object to query.
     * @returns {Array} Returns the array of property names.
     */
    function nativeKeysIn(object) {
      var result = [];
      if (object != null) {
        for (var key in Object(object)) {
          result.push(key);
        }
      }
      return result;
    }

    /**
     * Converts `value` to a string using `Object.prototype.toString`.
     *
     * @private
     * @param {*} value The value to convert.
     * @returns {string} Returns the converted string.
     */
    function objectToString(value) {
      return nativeObjectToString.call(value);
    }

    /**
     * A specialized version of `baseRest` which transforms the rest array.
     *
     * @private
     * @param {Function} func The function to apply a rest parameter to.
     * @param {number} [start=func.length-1] The start position of the rest parameter.
     * @param {Function} transform The rest array transform.
     * @returns {Function} Returns the new function.
     */
    function overRest(func, start, transform) {
      start = nativeMax(start === undefined ? (func.length - 1) : start, 0);
      return function() {
        var args = arguments,
            index = -1,
            length = nativeMax(args.length - start, 0),
            array = Array(length);

        while (++index < length) {
          array[index] = args[start + index];
        }
        index = -1;
        var otherArgs = Array(start + 1);
        while (++index < start) {
          otherArgs[index] = args[index];
        }
        otherArgs[start] = transform(array);
        return apply(func, this, otherArgs);
      };
    }

    /**
     * Gets the parent value at `path` of `object`.
     *
     * @private
     * @param {Object} object The object to query.
     * @param {Array} path The path to get the parent value of.
     * @returns {*} Returns the parent value.
     */
    function parent(object, path) {
      return path.length < 2 ? object : baseGet(object, baseSlice(path, 0, -1));
    }

    /**
     * Reorder `array` according to the specified indexes where the element at
     * the first index is assigned as the first element, the element at
     * the second index is assigned as the second element, and so on.
     *
     * @private
     * @param {Array} array The array to reorder.
     * @param {Array} indexes The arranged array indexes.
     * @returns {Array} Returns `array`.
     */
    function reorder(array, indexes) {
      var arrLength = array.length,
          length = nativeMin(indexes.length, arrLength),
          oldArray = copyArray(array);

      while (length--) {
        var index = indexes[length];
        array[length] = isIndex(index, arrLength) ? oldArray[index] : undefined;
      }
      return array;
    }

    /**
     * Gets the value at `key`, unless `key` is "__proto__" or "constructor".
     *
     * @private
     * @param {Object} object The object to query.
     * @param {string} key The key of the property to get.
     * @returns {*} Returns the property value.
     */
    function safeGet(object, key) {
      if (key === 'constructor' && typeof object[key] === 'function') {
        return;
      }

      if (key == '__proto__') {
        return;
      }

      return object[key];
    }

    /**
     * Sets metadata for `func`.
     *
     * **Note:** If this function becomes hot, i.e. is invoked a lot in a short
     * period of time, it will trip its breaker and transition to an identity
     * function to avoid garbage collection pauses in V8. See
     * [V8 issue 2070](https://bugs.chromium.org/p/v8/issues/detail?id=2070)
     * for more details.
     *
     * @private
     * @param {Function} func The function to associate metadata with.
     * @param {*} data The metadata.
     * @returns {Function} Returns `func`.
     */
    var setData = shortOut(baseSetData);

    /**
     * A simple wrapper around the global [`setTimeout`](https://mdn.io/setTimeout).
     *
     * @private
     * @param {Function} func The function to delay.
     * @param {number} wait The number of milliseconds to delay invocation.
     * @returns {number|Object} Returns the timer id or timeout object.
     */
    var setTimeout = ctxSetTimeout || function(func, wait) {
      return root.setTimeout(func, wait);
    };

    /**
     * Sets the `toString` method of `func` to return `string`.
     *
     * @private
     * @param {Function} func The function to modify.
     * @param {Function} string The `toString` result.
     * @returns {Function} Returns `func`.
     */
    var setToString = shortOut(baseSetToString);

    /**
     * Sets the `toString` method of `wrapper` to mimic the source of `reference`
     * with wrapper details in a comment at the top of the source body.
     *
     * @private
     * @param {Function} wrapper The function to modify.
     * @param {Function} reference The reference function.
     * @param {number} bitmask The bitmask flags. See `createWrap` for more details.
     * @returns {Function} Returns `wrapper`.
     */
    function setWrapToString(wrapper, reference, bitmask) {
      var source = (reference + '');
      return setToString(wrapper, insertWrapDetails(source, updateWrapDetails(getWrapDetails(source), bitmask)));
    }

    /**
     * Creates a function that'll short out and invoke `identity` instead
     * of `func` when it's called `HOT_COUNT` or more times in `HOT_SPAN`
     * milliseconds.
     *
     * @private
     * @param {Function} func The function to restrict.
     * @returns {Function} Returns the new shortable function.
     */
    function shortOut(func) {
      var count = 0,
          lastCalled = 0;

      return function() {
        var stamp = nativeNow(),
            remaining = HOT_SPAN - (stamp - lastCalled);

        lastCalled = stamp;
        if (remaining > 0) {
          if (++count >= HOT_COUNT) {
            return arguments[0];
          }
        } else {
          count = 0;
        }
        return func.apply(undefined, arguments);
      };
    }

    /**
     * A specialized version of `_.shuffle` which mutates and sets the size of `array`.
     *
     * @private
     * @param {Array} array The array to shuffle.
     * @param {number} [size=array.length] The size of `array`.
     * @returns {Array} Returns `array`.
     */
    function shuffleSelf(array, size) {
      var index = -1,
          length = array.length,
          lastIndex = length - 1;

      size = size === undefined ? length : size;
      while (++index < size) {
        var rand = baseRandom(index, lastIndex),
            value = array[rand];

        array[rand] = array[index];
        array[index] = value;
      }
      array.length = size;
      return array;
    }

    /**
     * Converts `string` to a property path array.
     *
     * @private
     * @param {string} string The string to convert.
     * @returns {Array} Returns the property path array.
     */
    var stringToPath = memoizeCapped(function(string) {
      var result = [];
      if (string.charCodeAt(0) === 46 /* . */) {
        result.push('');
      }
      string.replace(rePropName, function(match, number, quote, subString) {
        result.push(quote ? subString.replace(reEscapeChar, '$1') : (number || match));
      });
      return result;
    });

    /**
     * Converts `value` to a string key if it's not a string or symbol.
     *
     * @private
     * @param {*} value The value to inspect.
     * @returns {string|symbol} Returns the key.
     */
    function toKey(value) {
      if (typeof value == 'string' || isSymbol(value)) {
        return value;
      }
      var result = (value + '');
      return (result == '0' && (1 / value) == -INFINITY) ? '-0' : result;
    }

    /**
     * Converts `func` to its source code.
     *
     * @private
     * @param {Function} func The function to convert.
     * @returns {string} Returns the source code.
     */
    function toSource(func) {
      if (func != null) {
        try {
          return funcToString.call(func);
        } catch (e) {}
        try {
          return (func + '');
        } catch (e) {}
      }
      return '';
    }

    /**
     * Updates wrapper `details` based on `bitmask` flags.
     *
     * @private
     * @returns {Array} details The details to modify.
     * @param {number} bitmask The bitmask flags. See `createWrap` for more details.
     * @returns {Array} Returns `details`.
     */
    function updateWrapDetails(details, bitmask) {
      arrayEach(wrapFlags, function(pair) {
        var value = '_.' + pair[0];
        if ((bitmask & pair[1]) && !arrayIncludes(details, value)) {
          details.push(value);
        }
      });
      return details.sort();
    }

    /**
     * Creates a clone of `wrapper`.
     *
     * @private
     * @param {Object} wrapper The wrapper to clone.
     * @returns {Object} Returns the cloned wrapper.
     */
    function wrapperClone(wrapper) {
      if (wrapper instanceof LazyWrapper) {
        return wrapper.clone();
      }
      var result = new LodashWrapper(wrapper.__wrapped__, wrapper.__chain__);
      result.__actions__ = copyArray(wrapper.__actions__);
      result.__index__  = wrapper.__index__;
      result.__values__ = wrapper.__values__;
      return result;
    }

    /*------------------------------------------------------------------------*/

    /**
     * Creates an array of elements split into groups the length of `size`.
     * If `array` can't be split evenly, the final chunk will be the remaining
     * elements.
     *
     * @static
     * @memberOf _
     * @since 3.0.0
     * @category Array
     * @param {Array} array The array to process.
     * @param {number} [size=1] The length of each chunk
     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.
     * @returns {Array} Returns the new array of chunks.
     * @example
     *
     * _.chunk(['a', 'b', 'c', 'd'], 2);
     * // => [['a', 'b'], ['c', 'd']]
     *
     * _.chunk(['a', 'b', 'c', 'd'], 3);
     * // => [['a', 'b', 'c'], ['d']]
     */
    function chunk(array, size, guard) {
      if ((guard ? isIterateeCall(array, size, guard) : size === undefined)) {
        size = 1;
      } else {
        size = nativeMax(toInteger(size), 0);
      }
      var length = array == null ? 0 : array.length;
      if (!length || size < 1) {
        return [];
      }
      var index = 0,
          resIndex = 0,
          result = Array(nativeCeil(length / size));

      while (index < length) {
        result[resIndex++] = baseSlice(array, index, (index += size));
      }
      return result;
    }

    /**
     * Creates an array with all falsey values removed. The values `false`, `null`,
     * `0`, `""`, `undefined`, and `NaN` are falsey.
     *
     * @static
     * @memberOf _
     * @since 0.1.0
     * @category Array
     * @param {Array} array The array to compact.
     * @returns {Array} Returns the new array of filtered values.
     * @example
     *
     * _.compact([0, 1, false, 2, '', 3]);
     * // => [1, 2, 3]
     */
    function compact(array) {
      var index = -1,
          length = array == null ? 0 : array.length,
          resIndex = 0,
          result = [];

      while (++index < length) {
        var value = array[index];
        if (value) {
          result[resIndex++] = value;
        }
      }
      return result;
    }

    /**
     * Creates a new array concatenating `array` with any additional arrays
     * and/or values.
     *
     * @static
     * @memberOf _
     * @since 4.0.0
     * @category Array
     * @param {Array} array The array to concatenate.
     * @param {...*} [values] The values to concatenate.
     * @returns {Array} Returns the new concatenated array.
     * @example
     *
     * var array = [1];
     * var other = _.concat(array, 2, [3], [[4]]);
     *
     * console.log(other);
     * // => [1, 2, 3, [4]]
     *
     * console.log(array);
     * // => [1]
     */
    function concat() {
      var length = arguments.length;
      if (!length) {
        return [];
      }
      var args = Array(length - 1),
          array = arguments[0],
          index = length;

      while (index--) {
        args[index - 1] = arguments[index];
      }
      return arrayPush(isArray(array) ? copyArray(array) : [array], baseFlatten(args, 1));
    }

    /**
     * Creates an array of `array` values not included in the other given arrays
     * using [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)
     * for equality comparisons. The order and references of result values are
     * determined by the first array.
     *
     * **Note:** Unlike `_.pullAll`, this method returns a new array.
     *
     * @static
     * @memberOf _
     * @since 0.1.0
     * @category Array
     * @param {Array} array The array to inspect.
     * @param {...Array} [values] The values to exclude.
     * @returns {Array} Returns the new array of filtered values.
     * @see _.without, _.xor
     * @example
     *
     * _.difference([2, 1], [2, 3]);
     * // => [1]
     */
    var difference = baseRest(function(array, values) {
      return isArrayLikeObject(array)
        ? baseDifference(array, baseFlatten(values, 1, isArrayLikeObject, true))
        : [];
    });

    /**
     * This method is like `_.difference` except that it accepts `iteratee` which
     * is invoked for each element of `array` and `values` to generate the criterion
     * by which they're compared. The order and references of result values are
     * determined by the first array. The iteratee is invoked with one argument:
     * (value).
     *
     * **Note:** Unlike `_.pullAllBy`, this method returns a new array.
     *
     * @static
     * @memberOf _
     * @since 4.0.0
     * @category Array
     * @param {Array} array The array to inspect.
     * @param {...Array} [values] The values to exclude.
     * @param {Function} [iteratee=_.identity] The iteratee invoked per element.
     * @returns {Array} Returns the new array of filtered values.
     * @example
     *
     * _.differenceBy([2.1, 1.2], [2.3, 3.4], Math.floor);
     * // => [1.2]
     *
     * // The `_.property` iteratee shorthand.
     * _.differenceBy([{ 'x': 2 }, { 'x': 1 }], [{ 'x': 1 }], 'x');
     * // => [{ 'x': 2 }]
     */
    var differenceBy = baseRest(function(array, values) {
      var iteratee = last(values);
      if (isArrayLikeObject(iteratee)) {
        iteratee = undefined;
      }
      return isArrayLikeObject(array)
        ? baseDifference(array, baseFlatten(values, 1, isArrayLikeObject, true), getIteratee(iteratee, 2))
        : [];
    });

    /**
     * This method is like `_.difference` except that it accepts `comparator`
     * which is invoked to compare elements of `array` to `values`. The order and
     * references of result values are determined by the first array. The comparator
     * is invoked with two arguments: (arrVal, othVal).
     *
     * **Note:** Unlike `_.pullAllWith`, this method returns a new array.
     *
     * @static
     * @memberOf _
     * @since 4.0.0
     * @category Array
     * @param {Array} array The array to inspect.
     * @param {...Array} [values] The values to exclude.
     * @param {Function} [comparator] The comparator invoked per element.
     * @returns {Array} Returns the new array of filtered values.
     * @example
     *
     * var objects = [{ 'x': 1, 'y': 2 }, { 'x': 2, 'y': 1 }];
     *
     * _.differenceWith(objects, [{ 'x': 1, 'y': 2 }], _.isEqual);
     * // => [{ 'x': 2, 'y': 1 }]
     */
    var differenceWith = baseRest(function(array, values) {
      var comparator = last(values);
      if (isArrayLikeObject(comparator)) {
        comparator = undefined;
      }
      return isArrayLikeObject(array)
        ? baseDifference(array, baseFlatten(values, 1, isArrayLikeObject, true), undefined, comparator)
        : [];
    });

    /**
     * Creates a slice of `array` with `n` elements dropped from the beginning.
     *
     * @static
     * @memberOf _
     * @since 0.5.0
     * @category Array
     * @param {Array} array The array to query.
     * @param {number} [n=1] The number of elements to drop.
     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.
     * @returns {Array} Returns the slice of `array`.
     * @example
     *
     * _.drop([1, 2, 3]);
     * // => [2, 3]
     *
     * _.drop([1, 2, 3], 2);
     * // => [3]
     *
     * _.drop([1, 2, 3], 5);
     * // => []
     *
     * _.drop([1, 2, 3], 0);
     * // => [1, 2, 3]
     */
    function drop(array, n, guard) {
      var length = array == null ? 0 : array.length;
      if (!length) {
        return [];
      }
      n = (guard || n === undefined) ? 1 : toInteger(n);
      return baseSlice(array, n < 0 ? 0 : n, length);
    }

    /**
     * Creates a slice of `array` with `n` elements dropped from the end.
     *
     * @static
     * @memberOf _
     * @since 3.0.0
     * @category Array
     * @param {Array} array The array to query.
     * @param {number} [n=1] The number of elements to drop.
     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.
     * @returns {Array} Returns the slice of `array`.
     * @example
     *
     * _.dropRight([1, 2, 3]);
     * // => [1, 2]
     *
     * _.dropRight([1, 2, 3], 2);
     * // => [1]
     *
     * _.dropRight([1, 2, 3], 5);
     * // => []
     *
     * _.dropRight([1, 2, 3], 0);
     * // => [1, 2, 3]
     */
    function dropRight(array, n, guard) {
      var length = array == null ? 0 : array.length;
      if (!length) {
        return [];
      }
      n = (guard || n === undefined) ? 1 : toInteger(n);
      n = length - n;
      return baseSlice(array, 0, n < 0 ? 0 : n);
    }

    /**
     * Creates a slice of `array` excluding elements dropped from the end.
     * Elements are dropped until `predicate` returns falsey. The predicate is
     * invoked with three arguments: (value, index, array).
     *
     * @static
     * @memberOf _
     * @since 3.0.0
     * @category Array
     * @param {Array} array The array to query.
     * @param {Function} [predicate=_.identity] The function invoked per iteration.
     * @returns {Array} Returns the slice of `array`.
     * @example
     *
     * var users = [
     *   { 'user': 'barney',  'active': true },
     *   { 'user': 'fred',    'active': false },
     *   { 'user': 'pebbles', 'active': false }
     * ];
     *
     * _.dropRightWhile(users, function(o) { return !o.active; });
     * // => objects for ['barney']
     *
     * // The `_.matches` iteratee shorthand.
     * _.dropRightWhile(users, { 'user': 'pebbles', 'active': false });
     * // => objects for ['barney', 'fred']
     *
     * // The `_.matchesProperty` iteratee shorthand.
     * _.dropRightWhile(users, ['active', false]);
     * // => objects for ['barney']
     *
     * // The `_.property` iteratee shorthand.
     * _.dropRightWhile(users, 'active');
     * // => objects for ['barney', 'fred', 'pebbles']
     */
    function dropRightWhile(array, predicate) {
      return (array && array.length)
        ? baseWhile(array, getIteratee(predicate, 3), true, true)
        : [];
    }

    /**
     * Creates a slice of `array` excluding elements dropped from the beginning.
     * Elements are dropped until `predicate` returns falsey. The predicate is
     * invoked with three arguments: (value, index, array).
     *
     * @static
     * @memberOf _
     * @since 3.0.0
     * @category Array
     * @param {Array} array The array to query.
     * @param {Function} [predicate=_.identity] The function invoked per iteration.
     * @returns {Array} Returns the slice of `array`.
     * @example
     *
     * var users = [
     *   { 'user': 'barney',  'active': false },
     *   { 'user': 'fred',    'active': false },
     *   { 'user': 'pebbles', 'active': true }
     * ];
     *
     * _.dropWhile(users, function(o) { return !o.active; });
     * // => objects for ['pebbles']
     *
     * // The `_.matches` iteratee shorthand.
     * _.dropWhile(users, { 'user': 'barney', 'active': false });
     * // => objects for ['fred', 'pebbles']
     *
     * // The `_.matchesProperty` iteratee shorthand.
     * _.dropWhile(users, ['active', false]);
     * // => objects for ['pebbles']
     *
     * // The `_.property` iteratee shorthand.
     * _.dropWhile(users, 'active');
     * // => objects for ['barney', 'fred', 'pebbles']
     */
    function dropWhile(array, predicate) {
      return (array && array.length)
        ? baseWhile(array, getIteratee(predicate, 3), true)
        : [];
    }

    /**
     * Fills elements of `array` with `value` from `start` up to, but not
     * including, `end`.
     *
     * **Note:** This method mutates `array`.
     *
     * @static
     * @memberOf _
     * @since 3.2.0
     * @category Array
     * @param {Array} array The array to fill.
     * @param {*} value The value to fill `array` with.
     * @param {number} [start=0] The start position.
     * @param {number} [end=array.length] The end position.
     * @returns {Array} Returns `array`.
     * @example
     *
     * var array = [1, 2, 3];
     *
     * _.fill(array, 'a');
     * console.log(array);
     * // => ['a', 'a', 'a']
     *
     * _.fill(Array(3), 2);
     * // => [2, 2, 2]
     *
     * _.fill([4, 6, 8, 10], '*', 1, 3);
     * // => [4, '*', '*', 10]
     */
    function fill(array, value, start, end) {
      var length = array == null ? 0 : array.length;
      if (!length) {
        return [];
      }
      if (start && typeof start != 'number' && isIterateeCall(array, value, start)) {
        start = 0;
        end = length;
      }
      return baseFill(array, value, start, end);
    }

    /**
     * This method is like `_.find` except that it returns the index of the first
     * element `predicate` returns truthy for instead of the element itself.
     *
     * @static
     * @memberOf _
     * @since 1.1.0
     * @category Array
     * @param {Array} array The array to inspect.
     * @param {Function} [predicate=_.identity] The function invoked per iteration.
     * @param {number} [fromIndex=0] The index to search from.
     * @returns {number} Returns the index of the found element, else `-1`.
     * @example
     *
     * var users = [
     *   { 'user': 'barney',  'active': false },
     *   { 'user': 'fred',    'active': false },
     *   { 'user': 'pebbles', 'active': true }
     * ];
     *
     * _.findIndex(users, function(o) { return o.user == 'barney'; });
     * // => 0
     *
     * // The `_.matches` iteratee shorthand.
     * _.findIndex(users, { 'user': 'fred', 'active': false });
     * // => 1
     *
     * // The `_.matchesProperty` iteratee shorthand.
     * _.findIndex(users, ['active', false]);
     * // => 0
     *
     * // The `_.property` iteratee shorthand.
     * _.findIndex(users, 'active');
     * // => 2
     */
    function findIndex(array, predicate, fromIndex) {
      var length = array == null ? 0 : array.length;
      if (!length) {
        return -1;
      }
      var index = fromIndex == null ? 0 : toInteger(fromIndex);
      if (index < 0) {
        index = nativeMax(length + index, 0);
      }
      return baseFindIndex(array, getIteratee(predicate, 3), index);
    }

    /**
     * This method is like `_.findIndex` except that it iterates over elements
     * of `collection` from right to left.
     *
     * @static
     * @memberOf _
     * @since 2.0.0
     * @category Array
     * @param {Array} array The array to inspect.
     * @param {Function} [predicate=_.identity] The function invoked per iteration.
     * @param {number} [fromIndex=array.length-1] The index to search from.
     * @returns {number} Returns the index of the found element, else `-1`.
     * @example
     *
     * var users = [
     *   { 'user': 'barney',  'active': true },
     *   { 'user': 'fred',    'active': false },
     *   { 'user': 'pebbles', 'active': false }
     * ];
     *
     * _.findLastIndex(users, function(o) { return o.user == 'pebbles'; });
     * // => 2
     *
     * // The `_.matches` iteratee shorthand.
     * _.findLastIndex(users, { 'user': 'barney', 'active': true });
     * // => 0
     *
     * // The `_.matchesProperty` iteratee shorthand.
     * _.findLastIndex(users, ['active', false]);
     * // => 2
     *
     * // The `_.property` iteratee shorthand.
     * _.findLastIndex(users, 'active');
     * // => 0
     */
    function findLastIndex(array, predicate, fromIndex) {
      var length = array == null ? 0 : array.length;
      if (!length) {
        return -1;
      }
      var index = length - 1;
      if (fromIndex !== undefined) {
        index = toInteger(fromIndex);
        index = fromIndex < 0
          ? nativeMax(length + index, 0)
          : nativeMin(index, length - 1);
      }
      return baseFindIndex(array, getIteratee(predicate, 3), index, true);
    }

    /**
     * Flattens `array` a single level deep.
     *
     * @static
     * @memberOf _
     * @since 0.1.0
     * @category Array
     * @param {Array} array The array to flatten.
     * @returns {Array} Returns the new flattened array.
     * @example
     *
     * _.flatten([1, [2, [3, [4]], 5]]);
     * // => [1, 2, [3, [4]], 5]
     */
    function flatten(array) {
      var length = array == null ? 0 : array.length;
      return length ? baseFlatten(array, 1) : [];
    }

    /**
     * Recursively flattens `array`.
     *
     * @static
     * @memberOf _
     * @since 3.0.0
     * @category Array
     * @param {Array} array The array to flatten.
     * @returns {Array} Returns the new flattened array.
     * @example
     *
     * _.flattenDeep([1, [2, [3, [4]], 5]]);
     * // => [1, 2, 3, 4, 5]
     */
    function flattenDeep(array) {
      var length = array == null ? 0 : array.length;
      return length ? baseFlatten(array, INFINITY) : [];
    }

    /**
     * Recursively flatten `array` up to `depth` times.
     *
     * @static
     * @memberOf _
     * @since 4.4.0
     * @category Array
     * @param {Array} array The array to flatten.
     * @param {number} [depth=1] The maximum recursion depth.
     * @returns {Array} Returns the new flattened array.
     * @example
     *
     * var array = [1, [2, [3, [4]], 5]];
     *
     * _.flattenDepth(array, 1);
     * // => [1, 2, [3, [4]], 5]
     *
     * _.flattenDepth(array, 2);
     * // => [1, 2, 3, [4], 5]
     */
    function flattenDepth(array, depth) {
      var length = array == null ? 0 : array.length;
      if (!length) {
        return [];
      }
      depth = depth === undefined ? 1 : toInteger(depth);
      return baseFlatten(array, depth);
    }

    /**
     * The inverse of `_.toPairs`; this method returns an object composed
     * from key-value `pairs`.
     *
     * @static
     * @memberOf _
     * @since 4.0.0
     * @category Array
     * @param {Array} pairs The key-value pairs.
     * @returns {Object} Returns the new object.
     * @example
     *
     * _.fromPairs([['a', 1], ['b', 2]]);
     * // => { 'a': 1, 'b': 2 }
     */
    function fromPairs(pairs) {
      var index = -1,
          length = pairs == null ? 0 : pairs.length,
          result = {};

      while (++index < length) {
        var pair = pairs[index];
        result[pair[0]] = pair[1];
      }
      return result;
    }

    /**
     * Gets the first element of `array`.
     *
     * @static
     * @memberOf _
     * @since 0.1.0
     * @alias first
     * @category Array
     * @param {Array} array The array to query.
     * @returns {*} Returns the first element of `array`.
     * @example
     *
     * _.head([1, 2, 3]);
     * // => 1
     *
     * _.head([]);
     * // => undefined
     */
    function head(array) {
      return (array && array.length) ? array[0] : undefined;
    }

    /**
     * Gets the index at which the first occurrence of `value` is found in `array`
     * using [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)
     * for equality comparisons. If `fromIndex` is negative, it's used as the
     * offset from the end of `array`.
     *
     * @static
     * @memberOf _
     * @since 0.1.0
     * @category Array
     * @param {Array} array The array to inspect.
     * @param {*} value The value to search for.
     * @param {number} [fromIndex=0] The index to search from.
     * @returns {number} Returns the index of the matched value, else `-1`.
     * @example
     *
     * _.indexOf([1, 2, 1, 2], 2);
     * // => 1
     *
     * // Search from the `fromIndex`.
     * _.indexOf([1, 2, 1, 2], 2, 2);
     * // => 3
     */
    function indexOf(array, value, fromIndex) {
      var length = array == null ? 0 : array.length;
      if (!length) {
        return -1;
      }
      var index = fromIndex == null ? 0 : toInteger(fromIndex);
      if (index < 0) {
        index = nativeMax(length + index, 0);
      }
      return baseIndexOf(array, value, index);
    }

    /**
     * Gets all but the last element of `array`.
     *
     * @static
     * @memberOf _
     * @since 0.1.0
     * @category Array
     * @param {Array} array The array to query.
     * @returns {Array} Returns the slice of `array`.
     * @example
     *
     * _.initial([1, 2, 3]);
     * // => [1, 2]
     */
    function initial(array) {
      var length = array == null ? 0 : array.length;
      return length ? baseSlice(array, 0, -1) : [];
    }

    /**
     * Creates an array of unique values that are included in all given arrays
     * using [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)
     * for equality comparisons. The order and references of result values are
     * determined by the first array.
     *
     * @static
     * @memberOf _
     * @since 0.1.0
     * @category Array
     * @param {...Array} [arrays] The arrays to inspect.
     * @returns {Array} Returns the new array of intersecting values.
     * @example
     *
     * _.intersection([2, 1], [2, 3]);
     * // => [2]
     */
    var intersection = baseRest(function(arrays) {
      var mapped = arrayMap(arrays, castArrayLikeObject);
      return (mapped.length && mapped[0] === arrays[0])
        ? baseIntersection(mapped)
        : [];
    });

    /**
     * This method is like `_.intersection` except that it accepts `iteratee`
     * which is invoked for each element of each `arrays` to generate the criterion
     * by which they're compared. The order and references of result values are
     * determined by the first array. The iteratee is invoked with one argument:
     * (value).
     *
     * @static
     * @memberOf _
     * @since 4.0.0
     * @category Array
     * @param {...Array} [arrays] The arrays to inspect.
     * @param {Function} [iteratee=_.identity] The iteratee invoked per element.
     * @returns {Array} Returns the new array of intersecting values.
     * @example
     *
     * _.intersectionBy([2.1, 1.2], [2.3, 3.4], Math.floor);
     * // => [2.1]
     *
     * // The `_.property` iteratee shorthand.
     * _.intersectionBy([{ 'x': 1 }], [{ 'x': 2 }, { 'x': 1 }], 'x');
     * // => [{ 'x': 1 }]
     */
    var intersectionBy = baseRest(function(arrays) {
      var iteratee = last(arrays),
          mapped = arrayMap(arrays, castArrayLikeObject);

      if (iteratee === last(mapped)) {
        iteratee = undefined;
      } else {
        mapped.pop();
      }
      return (mapped.length && mapped[0] === arrays[0])
        ? baseIntersection(mapped, getIteratee(iteratee, 2))
        : [];
    });

    /**
     * This method is like `_.intersection` except that it accepts `comparator`
     * which is invoked to compare elements of `arrays`. The order and references
     * of result values are determined by the first array. The comparator is
     * invoked with two arguments: (arrVal, othVal).
     *
     * @static
     * @memberOf _
     * @since 4.0.0
     * @category Array
     * @param {...Array} [arrays] The arrays to inspect.
     * @param {Function} [comparator] The comparator invoked per element.
     * @returns {Array} Returns the new array of intersecting values.
     * @example
     *
     * var objects = [{ 'x': 1, 'y': 2 }, { 'x': 2, 'y': 1 }];
     * var others = [{ 'x': 1, 'y': 1 }, { 'x': 1, 'y': 2 }];
     *
     * _.intersectionWith(objects, others, _.isEqual);
     * // => [{ 'x': 1, 'y': 2 }]
     */
    var intersectionWith = baseRest(function(arrays) {
      var comparator = last(arrays),
          mapped = arrayMap(arrays, castArrayLikeObject);

      comparator = typeof comparator == 'function' ? comparator : undefined;
      if (comparator) {
        mapped.pop();
      }
      return (mapped.length && mapped[0] === arrays[0])
        ? baseIntersection(mapped, undefined, comparator)
        : [];
    });

    /**
     * Converts all elements in `array` into a string separated by `separator`.
     *
     * @static
     * @memberOf _
     * @since 4.0.0
     * @category Array
     * @param {Array} array The array to convert.
     * @param {string} [separator=','] The element separator.
     * @returns {string} Returns the joined string.
     * @example
     *
     * _.join(['a', 'b', 'c'], '~');
     * // => 'a~b~c'
     */
    function join(array, separator) {
      return array == null ? '' : nativeJoin.call(array, separator);
    }

    /**
     * Gets the last element of `array`.
     *
     * @static
     * @memberOf _
     * @since 0.1.0
     * @category Array
     * @param {Array} array The array to query.
     * @returns {*} Returns the last element of `array`.
     * @example
     *
     * _.last([1, 2, 3]);
     * // => 3
     */
    function last(array) {
      var length = array == null ? 0 : array.length;
      return length ? array[length - 1] : undefined;
    }

    /**
     * This method is like `_.indexOf` except that it iterates over elements of
     * `array` from right to left.
     *
     * @static
     * @memberOf _
     * @since 0.1.0
     * @category Array
     * @param {Array} array The array to inspect.
     * @param {*} value The value to search for.
     * @param {number} [fromIndex=array.length-1] The index to search from.
     * @returns {number} Returns the index of the matched value, else `-1`.
     * @example
     *
     * _.lastIndexOf([1, 2, 1, 2], 2);
     * // => 3
     *
     * // Search from the `fromIndex`.
     * _.lastIndexOf([1, 2, 1, 2], 2, 2);
     * // => 1
     */
    function lastIndexOf(array, value, fromIndex) {
      var length = array == null ? 0 : array.length;
      if (!length) {
        return -1;
      }
      var index = length;
      if (fromIndex !== undefined) {
        index = toInteger(fromIndex);
        index = index < 0 ? nativeMax(length + index, 0) : nativeMin(index, length - 1);
      }
      return value === value
        ? strictLastIndexOf(array, value, index)
        : baseFindIndex(array, baseIsNaN, index, true);
    }

    /**
     * Gets the element at index `n` of `array`. If `n` is negative, the nth
     * element from the end is returned.
     *
     * @static
     * @memberOf _
     * @since 4.11.0
     * @category Array
     * @param {Array} array The array to query.
     * @param {number} [n=0] The index of the element to return.
     * @returns {*} Returns the nth element of `array`.
     * @example
     *
     * var array = ['a', 'b', 'c', 'd'];
     *
     * _.nth(array, 1);
     * // => 'b'
     *
     * _.nth(array, -2);
     * // => 'c';
     */
    function nth(array, n) {
      return (array && array.length) ? baseNth(array, toInteger(n)) : undefined;
    }

    /**
     * Removes all given values from `array` using
     * [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)
     * for equality comparisons.
     *
     * **Note:** Unlike `_.without`, this method mutates `array`. Use `_.remove`
     * to remove elements from an array by predicate.
     *
     * @static
     * @memberOf _
     * @since 2.0.0
     * @category Array
     * @param {Array} array The array to modify.
     * @param {...*} [values] The values to remove.
     * @returns {Array} Returns `array`.
     * @example
     *
     * var array = ['a', 'b', 'c', 'a', 'b', 'c'];
     *
     * _.pull(array, 'a', 'c');
     * console.log(array);
     * // => ['b', 'b']
     */
    var pull = baseRest(pullAll);

    /**
     * This method is like `_.pull` except that it accepts an array of values to remove.
     *
     * **Note:** Unlike `_.difference`, this method mutates `array`.
     *
     * @static
     * @memberOf _
     * @since 4.0.0
     * @category Array
     * @param {Array} array The array to modify.
     * @param {Array} values The values to remove.
     * @returns {Array} Returns `array`.
     * @example
     *
     * var array = ['a', 'b', 'c', 'a', 'b', 'c'];
     *
     * _.pullAll(array, ['a', 'c']);
     * console.log(array);
     * // => ['b', 'b']
     */
    function pullAll(array, values) {
      return (array && array.length && values && values.length)
        ? basePullAll(array, values)
        : array;
    }

    /**
     * This method is like `_.pullAll` except that it accepts `iteratee` which is
     * invoked for each element of `array` and `values` to generate the criterion
     * by which they're compared. The iteratee is invoked with one argument: (value).
     *
     * **Note:** Unlike `_.differenceBy`, this method mutates `array`.
     *
     * @static
     * @memberOf _
     * @since 4.0.0
     * @category Array
     * @param {Array} array The array to modify.
     * @param {Array} values The values to remove.
     * @param {Function} [iteratee=_.identity] The iteratee invoked per element.
     * @returns {Array} Returns `array`.
     * @example
     *
     * var array = [{ 'x': 1 }, { 'x': 2 }, { 'x': 3 }, { 'x': 1 }];
     *
     * _.pullAllBy(array, [{ 'x': 1 }, { 'x': 3 }], 'x');
     * console.log(array);
     * // => [{ 'x': 2 }]
     */
    function pullAllBy(array, values, iteratee) {
      return (array && array.length && values && values.length)
        ? basePullAll(array, values, getIteratee(iteratee, 2))
        : array;
    }

    /**
     * This method is like `_.pullAll` except that it accepts `comparator` which
     * is invoked to compare elements of `array` to `values`. The comparator is
     * invoked with two arguments: (arrVal, othVal).
     *
     * **Note:** Unlike `_.differenceWith`, this method mutates `array`.
     *
     * @static
     * @memberOf _
     * @since 4.6.0
     * @category Array
     * @param {Array} array The array to modify.
     * @param {Array} values The values to remove.
     * @param {Function} [comparator] The comparator invoked per element.
     * @returns {Array} Returns `array`.
     * @example
     *
     * var array = [{ 'x': 1, 'y': 2 }, { 'x': 3, 'y': 4 }, { 'x': 5, 'y': 6 }];
     *
     * _.pullAllWith(array, [{ 'x': 3, 'y': 4 }], _.isEqual);
     * console.log(array);
     * // => [{ 'x': 1, 'y': 2 }, { 'x': 5, 'y': 6 }]
     */
    function pullAllWith(array, values, comparator) {
      return (array && array.length && values && values.length)
        ? basePullAll(array, values, undefined, comparator)
        : array;
    }

    /**
     * Removes elements from `array` corresponding to `indexes` and returns an
     * array of removed elements.
     *
     * **Note:** Unlike `_.at`, this method mutates `array`.
     *
     * @static
     * @memberOf _
     * @since 3.0.0
     * @category Array
     * @param {Array} array The array to modify.
     * @param {...(number|number[])} [indexes] The indexes of elements to remove.
     * @returns {Array} Returns the new array of removed elements.
     * @example
     *
     * var array = ['a', 'b', 'c', 'd'];
     * var pulled = _.pullAt(array, [1, 3]);
     *
     * console.log(array);
     * // => ['a', 'c']
     *
     * console.log(pulled);
     * // => ['b', 'd']
     */
    var pullAt = flatRest(function(array, indexes) {
      var length = array == null ? 0 : array.length,
          result = baseAt(array, indexes);

      basePullAt(array, arrayMap(indexes, function(index) {
        return isIndex(index, length) ? +index : index;
      }).sort(compareAscending));

      return result;
    });

    /**
     * Removes all elements from `array` that `predicate` returns truthy for
     * and returns an array of the removed elements. The predicate is invoked
     * with three arguments: (value, index, array).
     *
     * **Note:** Unlike `_.filter`, this method mutates `array`. Use `_.pull`
     * to pull elements from an array by value.
     *
     * @static
     * @memberOf _
     * @since 2.0.0
     * @category Array
     * @param {Array} array The array to modify.
     * @param {Function} [predicate=_.identity] The function invoked per iteration.
     * @returns {Array} Returns the new array of removed elements.
     * @example
     *
     * var array = [1, 2, 3, 4];
     * var evens = _.remove(array, function(n) {
     *   return n % 2 == 0;
     * });
     *
     * console.log(array);
     * // => [1, 3]
     *
     * console.log(evens);
     * // => [2, 4]
     */
    function remove(array, predicate) {
      var result = [];
      if (!(array && array.length)) {
        return result;
      }
      var index = -1,
          indexes = [],
          length = array.length;

      predicate = getIteratee(predicate, 3);
      while (++index < length) {
        var value = array[index];
        if (predicate(value, index, array)) {
          result.push(value);
          indexes.push(index);
        }
      }
      basePullAt(array, indexes);
      return result;
    }

    /**
     * Reverses `array` so that the first element becomes the last, the second
     * element becomes the second to last, and so on.
     *
     * **Note:** This method mutates `array` and is based on
     * [`Array#reverse`](https://mdn.io/Array/reverse).
     *
     * @static
     * @memberOf _
     * @since 4.0.0
     * @category Array
     * @param {Array} array The array to modify.
     * @returns {Array} Returns `array`.
     * @example
     *
     * var array = [1, 2, 3];
     *
     * _.reverse(array);
     * // => [3, 2, 1]
     *
     * console.log(array);
     * // => [3, 2, 1]
     */
    function reverse(array) {
      return array == null ? array : nativeReverse.call(array);
    }

    /**
     * Creates a slice of `array` from `start` up to, but not including, `end`.
     *
     * **Note:** This method is used instead of
     * [`Array#slice`](https://mdn.io/Array/slice) to ensure dense arrays are
     * returned.
     *
     * @static
     * @memberOf _
     * @since 3.0.0
     * @category Array
     * @param {Array} array The array to slice.
     * @param {number} [start=0] The start position.
     * @param {number} [end=array.length] The end position.
     * @returns {Array} Returns the slice of `array`.
     */
    function slice(array, start, end) {
      var length = array == null ? 0 : array.length;
      if (!length) {
        return [];
      }
      if (end && typeof end != 'number' && isIterateeCall(array, start, end)) {
        start = 0;
        end = length;
      }
      else {
        start = start == null ? 0 : toInteger(start);
        end = end === undefined ? length : toInteger(end);
      }
      return baseSlice(array, start, end);
    }

    /**
     * Uses a binary search to determine the lowest index at which `value`
     * should be inserted into `array` in order to maintain its sort order.
     *
     * @static
     * @memberOf _
     * @since 0.1.0
     * @category Array
     * @param {Array} array The sorted array to inspect.
     * @param {*} value The value to evaluate.
     * @returns {number} Returns the index at which `value` should be inserted
     *  into `array`.
     * @example
     *
     * _.sortedIndex([30, 50], 40);
     * // => 1
     */
    function sortedIndex(array, value) {
      return baseSortedIndex(array, value);
    }

    /**
     * This method is like `_.sortedIndex` except that it accepts `iteratee`
     * which is invoked for `value` and each element of `array` to compute their
     * sort ranking. The iteratee is invoked with one argument: (value).
     *
     * @static
     * @memberOf _
     * @since 4.0.0
     * @category Array
     * @param {Array} array The sorted array to inspect.
     * @param {*} value The value to evaluate.
     * @param {Function} [iteratee=_.identity] The iteratee invoked per element.
     * @returns {number} Returns the index at which `value` should be inserted
     *  into `array`.
     * @example
     *
     * var objects = [{ 'x': 4 }, { 'x': 5 }];
     *
     * _.sortedIndexBy(objects, { 'x': 4 }, function(o) { return o.x; });
     * // => 0
     *
     * // The `_.property` iteratee shorthand.
     * _.sortedIndexBy(objects, { 'x': 4 }, 'x');
     * // => 0
     */
    function sortedIndexBy(array, value, iteratee) {
      return baseSortedIndexBy(array, value, getIteratee(iteratee, 2));
    }

    /**
     * This method is like `_.indexOf` except that it performs a binary
     * search on a sorted `array`.
     *
     * @static
     * @memberOf _
     * @since 4.0.0
     * @category Array
     * @param {Array} array The array to inspect.
     * @param {*} value The value to search for.
     * @returns {number} Returns the index of the matched value, else `-1`.
     * @example
     *
     * _.sortedIndexOf([4, 5, 5, 5, 6], 5);
     * // => 1
     */
    function sortedIndexOf(array, value) {
      var length = array == null ? 0 : array.length;
      if (length) {
        var index = baseSortedIndex(array, value);
        if (index < length && eq(array[index], value)) {
          return index;
        }
      }
      return -1;
    }

    /**
     * This method is like `_.sortedIndex` except that it returns the highest
     * index at which `value` should be inserted into `array` in order to
     * maintain its sort order.
     *
     * @static
     * @memberOf _
     * @since 3.0.0
     * @category Array
     * @param {Array} array The sorted array to inspect.
     * @param {*} value The value to evaluate.
     * @returns {number} Returns the index at which `value` should be inserted
     *  into `array`.
     * @example
     *
     * _.sortedLastIndex([4, 5, 5, 5, 6], 5);
     * // => 4
     */
    function sortedLastIndex(array, value) {
      return baseSortedIndex(array, value, true);
    }

    /**
     * This method is like `_.sortedLastIndex` except that it accepts `iteratee`
     * which is invoked for `value` and each element of `array` to compute their
     * sort ranking. The iteratee is invoked with one argument: (value).
     *
     * @static
     * @memberOf _
     * @since 4.0.0
     * @category Array
     * @param {Array} array The sorted array to inspect.
     * @param {*} value The value to evaluate.
     * @param {Function} [iteratee=_.identity] The iteratee invoked per element.
     * @returns {number} Returns the index at which `value` should be inserted
     *  into `array`.
     * @example
     *
     * var objects = [{ 'x': 4 }, { 'x': 5 }];
     *
     * _.sortedLastIndexBy(objects, { 'x': 4 }, function(o) { return o.x; });
     * // => 1
     *
     * // The `_.property` iteratee shorthand.
     * _.sortedLastIndexBy(objects, { 'x': 4 }, 'x');
     * // => 1
     */
    function sortedLastIndexBy(array, value, iteratee) {
      return baseSortedIndexBy(array, value, getIteratee(iteratee, 2), true);
    }

    /**
     * This method is like `_.lastIndexOf` except that it performs a binary
     * search on a sorted `array`.
     *
     * @static
     * @memberOf _
     * @since 4.0.0
     * @category Array
     * @param {Array} array The array to inspect.
     * @param {*} value The value to search for.
     * @returns {number} Returns the index of the matched value, else `-1`.
     * @example
     *
     * _.sortedLastIndexOf([4, 5, 5, 5, 6], 5);
     * // => 3
     */
    function sortedLastIndexOf(array, value) {
      var length = array == null ? 0 : array.length;
      if (length) {
        var index = baseSortedIndex(array, value, true) - 1;
        if (eq(array[index], value)) {
          return index;
        }
      }
      return -1;
    }

    /**
     * This method is like `_.uniq` except that it's designed and optimized
     * for sorted arrays.
     *
     * @static
     * @memberOf _
     * @since 4.0.0
     * @category Array
     * @param {Array} array The array to inspect.
     * @returns {Array} Returns the new duplicate free array.
     * @example
     *
     * _.sortedUniq([1, 1, 2]);
     * // => [1, 2]
     */
    function sortedUniq(array) {
      return (array && array.length)
        ? baseSortedUniq(array)
        : [];
    }

    /**
     * This method is like `_.uniqBy` except that it's designed and optimized
     * for sorted arrays.
     *
     * @static
     * @memberOf _
     * @since 4.0.0
     * @category Array
     * @param {Array} array The array to inspect.
     * @param {Function} [iteratee] The iteratee invoked per element.
     * @returns {Array} Returns the new duplicate free array.
     * @example
     *
     * _.sortedUniqBy([1.1, 1.2, 2.3, 2.4], Math.floor);
     * // => [1.1, 2.3]
     */
    function sortedUniqBy(array, iteratee) {
      return (array && array.length)
        ? baseSortedUniq(array, getIteratee(iteratee, 2))
        : [];
    }

    /**
     * Gets all but the first element of `array`.
     *
     * @static
     * @memberOf _
     * @since 4.0.0
     * @category Array
     * @param {Array} array The array to query.
     * @returns {Array} Returns the slice of `array`.
     * @example
     *
     * _.tail([1, 2, 3]);
     * // => [2, 3]
     */
    function tail(array) {
      var length = array == null ? 0 : array.length;
      return length ? baseSlice(array, 1, length) : [];
    }

    /**
     * Creates a slice of `array` with `n` elements taken from the beginning.
     *
     * @static
     * @memberOf _
     * @since 0.1.0
     * @category Array
     * @param {Array} array The array to query.
     * @param {number} [n=1] The number of elements to take.
     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.
     * @returns {Array} Returns the slice of `array`.
     * @example
     *
     * _.take([1, 2, 3]);
     * // => [1]
     *
     * _.take([1, 2, 3], 2);
     * // => [1, 2]
     *
     * _.take([1, 2, 3], 5);
     * // => [1, 2, 3]
     *
     * _.take([1, 2, 3], 0);
     * // => []
     */
    function take(array, n, guard) {
      if (!(array && array.length)) {
        return [];
      }
      n = (guard || n === undefined) ? 1 : toInteger(n);
      return baseSlice(array, 0, n < 0 ? 0 : n);
    }

    /**
     * Creates a slice of `array` with `n` elements taken from the end.
     *
     * @static
     * @memberOf _
     * @since 3.0.0
     * @category Array
     * @param {Array} array The array to query.
     * @param {number} [n=1] The number of elements to take.
     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.
     * @returns {Array} Returns the slice of `array`.
     * @example
     *
     * _.takeRight([1, 2, 3]);
     * // => [3]
     *
     * _.takeRight([1, 2, 3], 2);
     * // => [2, 3]
     *
     * _.takeRight([1, 2, 3], 5);
     * // => [1, 2, 3]
     *
     * _.takeRight([1, 2, 3], 0);
     * // => []
     */
    function takeRight(array, n, guard) {
      var length = array == null ? 0 : array.length;
      if (!length) {
        return [];
      }
      n = (guard || n === undefined) ? 1 : toInteger(n);
      n = length - n;
      return baseSlice(array, n < 0 ? 0 : n, length);
    }

    /**
     * Creates a slice of `array` with elements taken from the end. Elements are
     * taken until `predicate` returns falsey. The predicate is invoked with
     * three arguments: (value, index, array).
     *
     * @static
     * @memberOf _
     * @since 3.0.0
     * @category Array
     * @param {Array} array The array to query.
     * @param {Function} [predicate=_.identity] The function invoked per iteration.
     * @returns {Array} Returns the slice of `array`.
     * @example
     *
     * var users = [
     *   { 'user': 'barney',  'active': true },
     *   { 'user': 'fred',    'active': false },
     *   { 'user': 'pebbles', 'active': false }
     * ];
     *
     * _.takeRightWhile(users, function(o) { return !o.active; });
     * // => objects for ['fred', 'pebbles']
     *
     * // The `_.matches` iteratee shorthand.
     * _.takeRightWhile(users, { 'user': 'pebbles', 'active': false });
     * // => objects for ['pebbles']
     *
     * // The `_.matchesProperty` iteratee shorthand.
     * _.takeRightWhile(users, ['active', false]);
     * // => objects for ['fred', 'pebbles']
     *
     * // The `_.property` iteratee shorthand.
     * _.takeRightWhile(users, 'active');
     * // => []
     */
    function takeRightWhile(array, predicate) {
      return (array && array.length)
        ? baseWhile(array, getIteratee(predicate, 3), false, true)
        : [];
    }

    /**
     * Creates a slice of `array` with elements taken from the beginning. Elements
     * are taken until `predicate` returns falsey. The predicate is invoked with
     * three arguments: (value, index, array).
     *
     * @static
     * @memberOf _
     * @since 3.0.0
     * @category Array
     * @param {Array} array The array to query.
     * @param {Function} [predicate=_.identity] The function invoked per iteration.
     * @returns {Array} Returns the slice of `array`.
     * @example
     *
     * var users = [
     *   { 'user': 'barney',  'active': false },
     *   { 'user': 'fred',    'active': false },
     *   { 'user': 'pebbles', 'active': true }
     * ];
     *
     * _.takeWhile(users, function(o) { return !o.active; });
     * // => objects for ['barney', 'fred']
     *
     * // The `_.matches` iteratee shorthand.
     * _.takeWhile(users, { 'user': 'barney', 'active': false });
     * // => objects for ['barney']
     *
     * // The `_.matchesProperty` iteratee shorthand.
     * _.takeWhile(users, ['active', false]);
     * // => objects for ['barney', 'fred']
     *
     * // The `_.property` iteratee shorthand.
     * _.takeWhile(users, 'active');
     * // => []
     */
    function takeWhile(array, predicate) {
      return (array && array.length)
        ? baseWhile(array, getIteratee(predicate, 3))
        : [];
    }

    /**
     * Creates an array of unique values, in order, from all given arrays using
     * [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)
     * for equality comparisons.
     *
     * @static
     * @memberOf _
     * @since 0.1.0
     * @category Array
     * @param {...Array} [arrays] The arrays to inspect.
     * @returns {Array} Returns the new array of combined values.
     * @example
     *
     * _.union([2], [1, 2]);
     * // => [2, 1]
     */
    var union = baseRest(function(arrays) {
      return baseUniq(baseFlatten(arrays, 1, isArrayLikeObject, true));
    });

    /**
     * This method is like `_.union` except that it accepts `iteratee` which is
     * invoked for each element of each `arrays` to generate the criterion by
     * which uniqueness is computed. Result values are chosen from the first
     * array in which the value occurs. The iteratee is invoked with one argument:
     * (value).
     *
     * @static
     * @memberOf _
     * @since 4.0.0
     * @category Array
     * @param {...Array} [arrays] The arrays to inspect.
     * @param {Function} [iteratee=_.identity] The iteratee invoked per element.
     * @returns {Array} Returns the new array of combined values.
     * @example
     *
     * _.unionBy([2.1], [1.2, 2.3], Math.floor);
     * // => [2.1, 1.2]
     *
     * // The `_.property` iteratee shorthand.
     * _.unionBy([{ 'x': 1 }], [{ 'x': 2 }, { 'x': 1 }], 'x');
     * // => [{ 'x': 1 }, { 'x': 2 }]
     */
    var unionBy = baseRest(function(arrays) {
      var iteratee = last(arrays);
      if (isArrayLikeObject(iteratee)) {
        iteratee = undefined;
      }
      return baseUniq(baseFlatten(arrays, 1, isArrayLikeObject, true), getIteratee(iteratee, 2));
    });

    /**
     * This method is like `_.union` except that it accepts `comparator` which
     * is invoked to compare elements of `arrays`. Result values are chosen from
     * the first array in which the value occurs. The comparator is invoked
     * with two arguments: (arrVal, othVal).
     *
     * @static
     * @memberOf _
     * @since 4.0.0
     * @category Array
     * @param {...Array} [arrays] The arrays to inspect.
     * @param {Function} [comparator] The comparator invoked per element.
     * @returns {Array} Returns the new array of combined values.
     * @example
     *
     * var objects = [{ 'x': 1, 'y': 2 }, { 'x': 2, 'y': 1 }];
     * var others = [{ 'x': 1, 'y': 1 }, { 'x': 1, 'y': 2 }];
     *
     * _.unionWith(objects, others, _.isEqual);
     * // => [{ 'x': 1, 'y': 2 }, { 'x': 2, 'y': 1 }, { 'x': 1, 'y': 1 }]
     */
    var unionWith = baseRest(function(arrays) {
      var comparator = last(arrays);
      comparator = typeof comparator == 'function' ? comparator : undefined;
      return baseUniq(baseFlatten(arrays, 1, isArrayLikeObject, true), undefined, comparator);
    });

    /**
     * Creates a duplicate-free version of an array, using
     * [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)
     * for equality comparisons, in which only the first occurrence of each element
     * is kept. The order of result values is determined by the order they occur
     * in the array.
     *
     * @static
     * @memberOf _
     * @since 0.1.0
     * @category Array
     * @param {Array} array The array to inspect.
     * @returns {Array} Returns the new duplicate free array.
     * @example
     *
     * _.uniq([2, 1, 2]);
     * // => [2, 1]
     */
    function uniq(array) {
      return (array && array.length) ? baseUniq(array) : [];
    }

    /**
     * This method is like `_.uniq` except that it accepts `iteratee` which is
     * invoked for each element in `array` to generate the criterion by which
     * uniqueness is computed. The order of result values is determined by the
     * order they occur in the array. The iteratee is invoked with one argument:
     * (value).
     *
     * @static
     * @memberOf _
     * @since 4.0.0
     * @category Array
     * @param {Array} array The array to inspect.
     * @param {Function} [iteratee=_.identity] The iteratee invoked per element.
     * @returns {Array} Returns the new duplicate free array.
     * @example
     *
     * _.uniqBy([2.1, 1.2, 2.3], Math.floor);
     * // => [2.1, 1.2]
     *
     * // The `_.property` iteratee shorthand.
     * _.uniqBy([{ 'x': 1 }, { 'x': 2 }, { 'x': 1 }], 'x');
     * // => [{ 'x': 1 }, { 'x': 2 }]
     */
    function uniqBy(array, iteratee) {
      return (array && array.length) ? baseUniq(array, getIteratee(iteratee, 2)) : [];
    }

    /**
     * This method is like `_.uniq` except that it accepts `comparator` which
     * is invoked to compare elements of `array`. The order of result values is
     * determined by the order they occur in the array.The comparator is invoked
     * with two arguments: (arrVal, othVal).
     *
     * @static
     * @memberOf _
     * @since 4.0.0
     * @category Array
     * @param {Array} array The array to inspect.
     * @param {Function} [comparator] The comparator invoked per element.
     * @returns {Array} Returns the new duplicate free array.
     * @example
     *
     * var objects = [{ 'x': 1, 'y': 2 }, { 'x': 2, 'y': 1 }, { 'x': 1, 'y': 2 }];
     *
     * _.uniqWith(objects, _.isEqual);
     * // => [{ 'x': 1, 'y': 2 }, { 'x': 2, 'y': 1 }]
     */
    function uniqWith(array, comparator) {
      comparator = typeof comparator == 'function' ? comparator : undefined;
      return (array && array.length) ? baseUniq(array, undefined, comparator) : [];
    }

    /**
     * This method is like `_.zip` except that it accepts an array of grouped
     * elements and creates an array regrouping the elements to their pre-zip
     * configuration.
     *
     * @static
     * @memberOf _
     * @since 1.2.0
     * @category Array
     * @param {Array} array The array of grouped elements to process.
     * @returns {Array} Returns the new array of regrouped elements.
     * @example
     *
     * var zipped = _.zip(['a', 'b'], [1, 2], [true, false]);
     * // => [['a', 1, true], ['b', 2, false]]
     *
     * _.unzip(zipped);
     * // => [['a', 'b'], [1, 2], [true, false]]
     */
    function unzip(array) {
      if (!(array && array.length)) {
        return [];
      }
      var length = 0;
      array = arrayFilter(array, function(group) {
        if (isArrayLikeObject(group)) {
          length = nativeMax(group.length, length);
          return true;
        }
      });
      return baseTimes(length, function(index) {
        return arrayMap(array, baseProperty(index));
      });
    }

    /**
     * This method is like `_.unzip` except that it accepts `iteratee` to specify
     * how regrouped values should be combined. The iteratee is invoked with the
     * elements of each group: (...group).
     *
     * @static
     * @memberOf _
     * @since 3.8.0
     * @category Array
     * @param {Array} array The array of grouped elements to process.
     * @param {Function} [iteratee=_.identity] The function to combine
     *  regrouped values.
     * @returns {Array} Returns the new array of regrouped elements.
     * @example
     *
     * var zipped = _.zip([1, 2], [10, 20], [100, 200]);
     * // => [[1, 10, 100], [2, 20, 200]]
     *
     * _.unzipWith(zipped, _.add);
     * // => [3, 30, 300]
     */
    function unzipWith(array, iteratee) {
      if (!(array && array.length)) {
        return [];
      }
      var result = unzip(array);
      if (iteratee == null) {
        return result;
      }
      return arrayMap(result, function(group) {
        return apply(iteratee, undefined, group);
      });
    }

    /**
     * Creates an array excluding all given values using
     * [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)
     * for equality comparisons.
     *
     * **Note:** Unlike `_.pull`, this method returns a new array.
     *
     * @static
     * @memberOf _
     * @since 0.1.0
     * @category Array
     * @param {Array} array The array to inspect.
     * @param {...*} [values] The values to exclude.
     * @returns {Array} Returns the new array of filtered values.
     * @see _.difference, _.xor
     * @example
     *
     * _.without([2, 1, 2, 3], 1, 2);
     * // => [3]
     */
    var without = baseRest(function(array, values) {
      return isArrayLikeObject(array)
        ? baseDifference(array, values)
        : [];
    });

    /**
     * Creates an array of unique values that is the
     * [symmetric difference](https://en.wikipedia.org/wiki/Symmetric_difference)
     * of the given arrays. The order of result values is determined by the order
     * they occur in the arrays.
     *
     * @static
     * @memberOf _
     * @since 2.4.0
     * @category Array
     * @param {...Array} [arrays] The arrays to inspect.
     * @returns {Array} Returns the new array of filtered values.
     * @see _.difference, _.without
     * @example
     *
     * _.xor([2, 1], [2, 3]);
     * // => [1, 3]
     */
    var xor = baseRest(function(arrays) {
      return baseXor(arrayFilter(arrays, isArrayLikeObject));
    });

    /**
     * This method is like `_.xor` except that it accepts `iteratee` which is
     * invoked for each element of each `arrays` to generate the criterion by
     * which by which they're compared. The order of result values is determined
     * by the order they occur in the arrays. The iteratee is invoked with one
     * argument: (value).
     *
     * @static
     * @memberOf _
     * @since 4.0.0
     * @category Array
     * @param {...Array} [arrays] The arrays to inspect.
     * @param {Function} [iteratee=_.identity] The iteratee invoked per element.
     * @returns {Array} Returns the new array of filtered values.
     * @example
     *
     * _.xorBy([2.1, 1.2], [2.3, 3.4], Math.floor);
     * // => [1.2, 3.4]
     *
     * // The `_.property` iteratee shorthand.
     * _.xorBy([{ 'x': 1 }], [{ 'x': 2 }, { 'x': 1 }], 'x');
     * // => [{ 'x': 2 }]
     */
    var xorBy = baseRest(function(arrays) {
      var iteratee = last(arrays);
      if (isArrayLikeObject(iteratee)) {
        iteratee = undefined;
      }
      return baseXor(arrayFilter(arrays, isArrayLikeObject), getIteratee(iteratee, 2));
    });

    /**
     * This method is like `_.xor` except that it accepts `comparator` which is
     * invoked to compare elements of `arrays`. The order of result values is
     * determined by the order they occur in the arrays. The comparator is invoked
     * with two arguments: (arrVal, othVal).
     *
     * @static
     * @memberOf _
     * @since 4.0.0
     * @category Array
     * @param {...Array} [arrays] The arrays to inspect.
     * @param {Function} [comparator] The comparator invoked per element.
     * @returns {Array} Returns the new array of filtered values.
     * @example
     *
     * var objects = [{ 'x': 1, 'y': 2 }, { 'x': 2, 'y': 1 }];
     * var others = [{ 'x': 1, 'y': 1 }, { 'x': 1, 'y': 2 }];
     *
     * _.xorWith(objects, others, _.isEqual);
     * // => [{ 'x': 2, 'y': 1 }, { 'x': 1, 'y': 1 }]
     */
    var xorWith = baseRest(function(arrays) {
      var comparator = last(arrays);
      comparator = typeof comparator == 'function' ? comparator : undefined;
      return baseXor(arrayFilter(arrays, isArrayLikeObject), undefined, comparator);
    });

    /**
     * Creates an array of grouped elements, the first of which contains the
     * first elements of the given arrays, the second of which contains the
     * second elements of the given arrays, and so on.
     *
     * @static
     * @memberOf _
     * @since 0.1.0
     * @category Array
     * @param {...Array} [arrays] The arrays to process.
     * @returns {Array} Returns the new array of grouped elements.
     * @example
     *
     * _.zip(['a', 'b'], [1, 2], [true, false]);
     * // => [['a', 1, true], ['b', 2, false]]
     */
    var zip = baseRest(unzip);

    /**
     * This method is like `_.fromPairs` except that it accepts two arrays,
     * one of property identifiers and one of corresponding values.
     *
     * @static
     * @memberOf _
     * @since 0.4.0
     * @category Array
     * @param {Array} [props=[]] The property identifiers.
     * @param {Array} [values=[]] The property values.
     * @returns {Object} Returns the new object.
     * @example
     *
     * _.zipObject(['a', 'b'], [1, 2]);
     * // => { 'a': 1, 'b': 2 }
     */
    function zipObject(props, values) {
      return baseZipObject(props || [], values || [], assignValue);
    }

    /**
     * This method is like `_.zipObject` except that it supports property paths.
     *
     * @static
     * @memberOf _
     * @since 4.1.0
     * @category Array
     * @param {Array} [props=[]] The property identifiers.
     * @param {Array} [values=[]] The property values.
     * @returns {Object} Returns the new object.
     * @example
     *
     * _.zipObjectDeep(['a.b[0].c', 'a.b[1].d'], [1, 2]);
     * // => { 'a': { 'b': [{ 'c': 1 }, { 'd': 2 }] } }
     */
    function zipObjectDeep(props, values) {
      return baseZipObject(props || [], values || [], baseSet);
    }

    /**
     * This method is like `_.zip` except that it accepts `iteratee` to specify
     * how grouped values should be combined. The iteratee is invoked with the
     * elements of each group: (...group).
     *
     * @static
     * @memberOf _
     * @since 3.8.0
     * @category Array
     * @param {...Array} [arrays] The arrays to process.
     * @param {Function} [iteratee=_.identity] The function to combine
     *  grouped values.
     * @returns {Array} Returns the new array of grouped elements.
     * @example
     *
     * _.zipWith([1, 2], [10, 20], [100, 200], function(a, b, c) {
     *   return a + b + c;
     * });
     * // => [111, 222]
     */
    var zipWith = baseRest(function(arrays) {
      var length = arrays.length,
          iteratee = length > 1 ? arrays[length - 1] : undefined;

      iteratee = typeof iteratee == 'function' ? (arrays.pop(), iteratee) : undefined;
      return unzipWith(arrays, iteratee);
    });

    /*------------------------------------------------------------------------*/

    /**
     * Creates a `lodash` wrapper instance that wraps `value` with explicit method
     * chain sequences enabled. The result of such sequences must be unwrapped
     * with `_#value`.
     *
     * @static
     * @memberOf _
     * @since 1.3.0
     * @category Seq
     * @param {*} value The value to wrap.
     * @returns {Object} Returns the new `lodash` wrapper instance.
     * @example
     *
     * var users = [
     *   { 'user': 'barney',  'age': 36 },
     *   { 'user': 'fred',    'age': 40 },
     *   { 'user': 'pebbles', 'age': 1 }
     * ];
     *
     * var youngest = _
     *   .chain(users)
     *   .sortBy('age')
     *   .map(function(o) {
     *     return o.user + ' is ' + o.age;
     *   })
     *   .head()
     *   .value();
     * // => 'pebbles is 1'
     */
    function chain(value) {
      var result = lodash(value);
      result.__chain__ = true;
      return result;
    }

    /**
     * This method invokes `interceptor` and returns `value`. The interceptor
     * is invoked with one argument; (value). The purpose of this method is to
     * "tap into" a method chain sequence in order to modify intermediate results.
     *
     * @static
     * @memberOf _
     * @since 0.1.0
     * @category Seq
     * @param {*} value The value to provide to `interceptor`.
     * @param {Function} interceptor The function to invoke.
     * @returns {*} Returns `value`.
     * @example
     *
     * _([1, 2, 3])
     *  .tap(function(array) {
     *    // Mutate input array.
     *    array.pop();
     *  })
     *  .reverse()
     *  .value();
     * // => [2, 1]
     */
    function tap(value, interceptor) {
      interceptor(value);
      return value;
    }

    /**
     * This method is like `_.tap` except that it returns the result of `interceptor`.
     * The purpose of this method is to "pass thru" values replacing intermediate
     * results in a method chain sequence.
     *
     * @static
     * @memberOf _
     * @since 3.0.0
     * @category Seq
     * @param {*} value The value to provide to `interceptor`.
     * @param {Function} interceptor The function to invoke.
     * @returns {*} Returns the result of `interceptor`.
     * @example
     *
     * _('  abc  ')
     *  .chain()
     *  .trim()
     *  .thru(function(value) {
     *    return [value];
     *  })
     *  .value();
     * // => ['abc']
     */
    function thru(value, interceptor) {
      return interceptor(value);
    }

    /**
     * This method is the wrapper version of `_.at`.
     *
     * @name at
     * @memberOf _
     * @since 1.0.0
     * @category Seq
     * @param {...(string|string[])} [paths] The property paths to pick.
     * @returns {Object} Returns the new `lodash` wrapper instance.
     * @example
     *
     * var object = { 'a': [{ 'b': { 'c': 3 } }, 4] };
     *
     * _(object).at(['a[0].b.c', 'a[1]']).value();
     * // => [3, 4]
     */
    var wrapperAt = flatRest(function(paths) {
      var length = paths.length,
          start = length ? paths[0] : 0,
          value = this.__wrapped__,
          interceptor = function(object) { return baseAt(object, paths); };

      if (length > 1 || this.__actions__.length ||
          !(value instanceof LazyWrapper) || !isIndex(start)) {
        return this.thru(interceptor);
      }
      value = value.slice(start, +start + (length ? 1 : 0));
      value.__actions__.push({
        'func': thru,
        'args': [interceptor],
        'thisArg': undefined
      });
      return new LodashWrapper(value, this.__chain__).thru(function(array) {
        if (length && !array.length) {
          array.push(undefined);
        }
        return array;
      });
    });

    /**
     * Creates a `lodash` wrapper instance with explicit method chain sequences enabled.
     *
     * @name chain
     * @memberOf _
     * @since 0.1.0
     * @category Seq
     * @returns {Object} Returns the new `lodash` wrapper instance.
     * @example
     *
     * var users = [
     *   { 'user': 'barney', 'age': 36 },
     *   { 'user': 'fred',   'age': 40 }
     * ];
     *
     * // A sequence without explicit chaining.
     * _(users).head();
     * // => { 'user': 'barney', 'age': 36 }
     *
     * // A sequence with explicit chaining.
     * _(users)
     *   .chain()
     *   .head()
     *   .pick('user')
     *   .value();
     * // => { 'user': 'barney' }
     */
    function wrapperChain() {
      return chain(this);
    }

    /**
     * Executes the chain sequence and returns the wrapped result.
     *
     * @name commit
     * @memberOf _
     * @since 3.2.0
     * @category Seq
     * @returns {Object} Returns the new `lodash` wrapper instance.
     * @example
     *
     * var array = [1, 2];
     * var wrapped = _(array).push(3);
     *
     * console.log(array);
     * // => [1, 2]
     *
     * wrapped = wrapped.commit();
     * console.log(array);
     * // => [1, 2, 3]
     *
     * wrapped.last();
     * // => 3
     *
     * console.log(array);
     * // => [1, 2, 3]
     */
    function wrapperCommit() {
      return new LodashWrapper(this.value(), this.__chain__);
    }

    /**
     * Gets the next value on a wrapped object following the
     * [iterator protocol](https://mdn.io/iteration_protocols#iterator).
     *
     * @name next
     * @memberOf _
     * @since 4.0.0
     * @category Seq
     * @returns {Object} Returns the next iterator value.
     * @example
     *
     * var wrapped = _([1, 2]);
     *
     * wrapped.next();
     * // => { 'done': false, 'value': 1 }
     *
     * wrapped.next();
     * // => { 'done': false, 'value': 2 }
     *
     * wrapped.next();
     * // => { 'done': true, 'value': undefined }
     */
    function wrapperNext() {
      if (this.__values__ === undefined) {
        this.__values__ = toArray(this.value());
      }
      var done = this.__index__ >= this.__values__.length,
          value = done ? undefined : this.__values__[this.__index__++];

      return { 'done': done, 'value': value };
    }

    /**
     * Enables the wrapper to be iterable.
     *
     * @name Symbol.iterator
     * @memberOf _
     * @since 4.0.0
     * @category Seq
     * @returns {Object} Returns the wrapper object.
     * @example
     *
     * var wrapped = _([1, 2]);
     *
     * wrapped[Symbol.iterator]() === wrapped;
     * // => true
     *
     * Array.from(wrapped);
     * // => [1, 2]
     */
    function wrapperToIterator() {
      return this;
    }

    /**
     * Creates a clone of the chain sequence planting `value` as the wrapped value.
     *
     * @name plant
     * @memberOf _
     * @since 3.2.0
     * @category Seq
     * @param {*} value The value to plant.
     * @returns {Object} Returns the new `lodash` wrapper instance.
     * @example
     *
     * function square(n) {
     *   return n * n;
     * }
     *
     * var wrapped = _([1, 2]).map(square);
     * var other = wrapped.plant([3, 4]);
     *
     * other.value();
     * // => [9, 16]
     *
     * wrapped.value();
     * // => [1, 4]
     */
    function wrapperPlant(value) {
      var result,
          parent = this;

      while (parent instanceof baseLodash) {
        var clone = wrapperClone(parent);
        clone.__index__ = 0;
        clone.__values__ = undefined;
        if (result) {
          previous.__wrapped__ = clone;
        } else {
          result = clone;
        }
        var previous = clone;
        parent = parent.__wrapped__;
      }
      previous.__wrapped__ = value;
      return result;
    }

    /**
     * This method is the wrapper version of `_.reverse`.
     *
     * **Note:** This method mutates the wrapped array.
     *
     * @name reverse
     * @memberOf _
     * @since 0.1.0
     * @category Seq
     * @returns {Object} Returns the new `lodash` wrapper instance.
     * @example
     *
     * var array = [1, 2, 3];
     *
     * _(array).reverse().value()
     * // => [3, 2, 1]
     *
     * console.log(array);
     * // => [3, 2, 1]
     */
    function wrapperReverse() {
      var value = this.__wrapped__;
      if (value instanceof LazyWrapper) {
        var wrapped = value;
        if (this.__actions__.length) {
          wrapped = new LazyWrapper(this);
        }
        wrapped = wrapped.reverse();
        wrapped.__actions__.push({
          'func': thru,
          'args': [reverse],
          'thisArg': undefined
        });
        return new LodashWrapper(wrapped, this.__chain__);
      }
      return this.thru(reverse);
    }

    /**
     * Executes the chain sequence to resolve the unwrapped value.
     *
     * @name value
     * @memberOf _
     * @since 0.1.0
     * @alias toJSON, valueOf
     * @category Seq
     * @returns {*} Returns the resolved unwrapped value.
     * @example
     *
     * _([1, 2, 3]).value();
     * // => [1, 2, 3]
     */
    function wrapperValue() {
      return baseWrapperValue(this.__wrapped__, this.__actions__);
    }

    /*------------------------------------------------------------------------*/

    /**
     * Creates an object composed of keys generated from the results of running
     * each element of `collection` thru `iteratee`. The corresponding value of
     * each key is the number of times the key was returned by `iteratee`. The
     * iteratee is invoked with one argument: (value).
     *
     * @static
     * @memberOf _
     * @since 0.5.0
     * @category Collection
     * @param {Array|Object} collection The collection to iterate over.
     * @param {Function} [iteratee=_.identity] The iteratee to transform keys.
     * @returns {Object} Returns the composed aggregate object.
     * @example
     *
     * _.countBy([6.1, 4.2, 6.3], Math.floor);
     * // => { '4': 1, '6': 2 }
     *
     * // The `_.property` iteratee shorthand.
     * _.countBy(['one', 'two', 'three'], 'length');
     * // => { '3': 2, '5': 1 }
     */
    var countBy = createAggregator(function(result, value, key) {
      if (hasOwnProperty.call(result, key)) {
        ++result[key];
      } else {
        baseAssignValue(result, key, 1);
      }
    });

    /**
     * Checks if `predicate` returns truthy for **all** elements of `collection`.
     * Iteration is stopped once `predicate` returns falsey. The predicate is
     * invoked with three arguments: (value, index|key, collection).
     *
     * **Note:** This method returns `true` for
     * [empty collections](https://en.wikipedia.org/wiki/Empty_set) because
     * [everything is true](https://en.wikipedia.org/wiki/Vacuous_truth) of
     * elements of empty collections.
     *
     * @static
     * @memberOf _
     * @since 0.1.0
     * @category Collection
     * @param {Array|Object} collection The collection to iterate over.
     * @param {Function} [predicate=_.identity] The function invoked per iteration.
     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.
     * @returns {boolean} Returns `true` if all elements pass the predicate check,
     *  else `false`.
     * @example
     *
     * _.every([true, 1, null, 'yes'], Boolean);
     * // => false
     *
     * var users = [
     *   { 'user': 'barney', 'age': 36, 'active': false },
     *   { 'user': 'fred',   'age': 40, 'active': false }
     * ];
     *
     * // The `_.matches` iteratee shorthand.
     * _.every(users, { 'user': 'barney', 'active': false });
     * // => false
     *
     * // The `_.matchesProperty` iteratee shorthand.
     * _.every(users, ['active', false]);
     * // => true
     *
     * // The `_.property` iteratee shorthand.
     * _.every(users, 'active');
     * // => false
     */
    function every(collection, predicate, guard) {
      var func = isArray(collection) ? arrayEvery : baseEvery;
      if (guard && isIterateeCall(collection, predicate, guard)) {
        predicate = undefined;
      }
      return func(collection, getIteratee(predicate, 3));
    }

    /**
     * Iterates over elements of `collection`, returning an array of all elements
     * `predicate` returns truthy for. The predicate is invoked with three
     * arguments: (value, index|key, collection).
     *
     * **Note:** Unlike `_.remove`, this method returns a new array.
     *
     * @static
     * @memberOf _
     * @since 0.1.0
     * @category Collection
     * @param {Array|Object} collection The collection to iterate over.
     * @param {Function} [predicate=_.identity] The function invoked per iteration.
     * @returns {Array} Returns the new filtered array.
     * @see _.reject
     * @example
     *
     * var users = [
     *   { 'user': 'barney', 'age': 36, 'active': true },
     *   { 'user': 'fred',   'age': 40, 'active': false }
     * ];
     *
     * _.filter(users, function(o) { return !o.active; });
     * // => objects for ['fred']
     *
     * // The `_.matches` iteratee shorthand.
     * _.filter(users, { 'age': 36, 'active': true });
     * // => objects for ['barney']
     *
     * // The `_.matchesProperty` iteratee shorthand.
     * _.filter(users, ['active', false]);
     * // => objects for ['fred']
     *
     * // The `_.property` iteratee shorthand.
     * _.filter(users, 'active');
     * // => objects for ['barney']
     *
     * // Combining several predicates using `_.overEvery` or `_.overSome`.
     * _.filter(users, _.overSome([{ 'age': 36 }, ['age', 40]]));
     * // => objects for ['fred', 'barney']
     */
    function filter(collection, predicate) {
      var func = isArray(collection) ? arrayFilter : baseFilter;
      return func(collection, getIteratee(predicate, 3));
    }

    /**
     * Iterates over elements of `collection`, returning the first element
     * `predicate` returns truthy for. The predicate is invoked with three
     * arguments: (value, index|key, collection).
     *
     * @static
     * @memberOf _
     * @since 0.1.0
     * @category Collection
     * @param {Array|Object} collection The collection to inspect.
     * @param {Function} [predicate=_.identity] The function invoked per iteration.
     * @param {number} [fromIndex=0] The index to search from.
     * @returns {*} Returns the matched element, else `undefined`.
     * @example
     *
     * var users = [
     *   { 'user': 'barney',  'age': 36, 'active': true },
     *   { 'user': 'fred',    'age': 40, 'active': false },
     *   { 'user': 'pebbles', 'age': 1,  'active': true }
     * ];
     *
     * _.find(users, function(o) { return o.age < 40; });
     * // => object for 'barney'
     *
     * // The `_.matches` iteratee shorthand.
     * _.find(users, { 'age': 1, 'active': true });
     * // => object for 'pebbles'
     *
     * // The `_.matchesProperty` iteratee shorthand.
     * _.find(users, ['active', false]);
     * // => object for 'fred'
     *
     * // The `_.property` iteratee shorthand.
     * _.find(users, 'active');
     * // => object for 'barney'
     */
    var find = createFind(findIndex);

    /**
     * This method is like `_.find` except that it iterates over elements of
     * `collection` from right to left.
     *
     * @static
     * @memberOf _
     * @since 2.0.0
     * @category Collection
     * @param {Array|Object} collection The collection to inspect.
     * @param {Function} [predicate=_.identity] The function invoked per iteration.
     * @param {number} [fromIndex=collection.length-1] The index to search from.
     * @returns {*} Returns the matched element, else `undefined`.
     * @example
     *
     * _.findLast([1, 2, 3, 4], function(n) {
     *   return n % 2 == 1;
     * });
     * // => 3
     */
    var findLast = createFind(findLastIndex);

    /**
     * Creates a flattened array of values by running each element in `collection`
     * thru `iteratee` and flattening the mapped results. The iteratee is invoked
     * with three arguments: (value, index|key, collection).
     *
     * @static
     * @memberOf _
     * @since 4.0.0
     * @category Collection
     * @param {Array|Object} collection The collection to iterate over.
     * @param {Function} [iteratee=_.identity] The function invoked per iteration.
     * @returns {Array} Returns the new flattened array.
     * @example
     *
     * function duplicate(n) {
     *   return [n, n];
     * }
     *
     * _.flatMap([1, 2], duplicate);
     * // => [1, 1, 2, 2]
     */
    function flatMap(collection, iteratee) {
      return baseFlatten(map(collection, iteratee), 1);
    }

    /**
     * This method is like `_.flatMap` except that it recursively flattens the
     * mapped results.
     *
     * @static
     * @memberOf _
     * @since 4.7.0
     * @category Collection
     * @param {Array|Object} collection The collection to iterate over.
     * @param {Function} [iteratee=_.identity] The function invoked per iteration.
     * @returns {Array} Returns the new flattened array.
     * @example
     *
     * function duplicate(n) {
     *   return [[[n, n]]];
     * }
     *
     * _.flatMapDeep([1, 2], duplicate);
     * // => [1, 1, 2, 2]
     */
    function flatMapDeep(collection, iteratee) {
      return baseFlatten(map(collection, iteratee), INFINITY);
    }

    /**
     * This method is like `_.flatMap` except that it recursively flattens the
     * mapped results up to `depth` times.
     *
     * @static
     * @memberOf _
     * @since 4.7.0
     * @category Collection
     * @param {Array|Object} collection The collection to iterate over.
     * @param {Function} [iteratee=_.identity] The function invoked per iteration.
     * @param {number} [depth=1] The maximum recursion depth.
     * @returns {Array} Returns the new flattened array.
     * @example
     *
     * function duplicate(n) {
     *   return [[[n, n]]];
     * }
     *
     * _.flatMapDepth([1, 2], duplicate, 2);
     * // => [[1, 1], [2, 2]]
     */
    function flatMapDepth(collection, iteratee, depth) {
      depth = depth === undefined ? 1 : toInteger(depth);
      return baseFlatten(map(collection, iteratee), depth);
    }

    /**
     * Iterates over elements of `collection` and invokes `iteratee` for each element.
     * The iteratee is invoked with three arguments: (value, index|key, collection).
     * Iteratee functions may exit iteration early by explicitly returning `false`.
     *
     * **Note:** As with other "Collections" methods, objects with a "length"
     * property are iterated like arrays. To avoid this behavior use `_.forIn`
     * or `_.forOwn` for object iteration.
     *
     * @static
     * @memberOf _
     * @since 0.1.0
     * @alias each
     * @category Collection
     * @param {Array|Object} collection The collection to iterate over.
     * @param {Function} [iteratee=_.identity] The function invoked per iteration.
     * @returns {Array|Object} Returns `collection`.
     * @see _.forEachRight
     * @example
     *
     * _.forEach([1, 2], function(value) {
     *   console.log(value);
     * });
     * // => Logs `1` then `2`.
     *
     * _.forEach({ 'a': 1, 'b': 2 }, function(value, key) {
     *   console.log(key);
     * });
     * // => Logs 'a' then 'b' (iteration order is not guaranteed).
     */
    function forEach(collection, iteratee) {
      var func = isArray(collection) ? arrayEach : baseEach;
      return func(collection, getIteratee(iteratee, 3));
    }

    /**
     * This method is like `_.forEach` except that it iterates over elements of
     * `collection` from right to left.
     *
     * @static
     * @memberOf _
     * @since 2.0.0
     * @alias eachRight
     * @category Collection
     * @param {Array|Object} collection The collection to iterate over.
     * @param {Function} [iteratee=_.identity] The function invoked per iteration.
     * @returns {Array|Object} Returns `collection`.
     * @see _.forEach
     * @example
     *
     * _.forEachRight([1, 2], function(value) {
     *   console.log(value);
     * });
     * // => Logs `2` then `1`.
     */
    function forEachRight(collection, iteratee) {
      var func = isArray(collection) ? arrayEachRight : baseEachRight;
      return func(collection, getIteratee(iteratee, 3));
    }

    /**
     * Creates an object composed of keys generated from the results of running
     * each element of `collection` thru `iteratee`. The order of grouped values
     * is determined by the order they occur in `collection`. The corresponding
     * value of each key is an array of elements responsible for generating the
     * key. The iteratee is invoked with one argument: (value).
     *
     * @static
     * @memberOf _
     * @since 0.1.0
     * @category Collection
     * @param {Array|Object} collection The collection to iterate over.
     * @param {Function} [iteratee=_.identity] The iteratee to transform keys.
     * @returns {Object} Returns the composed aggregate object.
     * @example
     *
     * _.groupBy([6.1, 4.2, 6.3], Math.floor);
     * // => { '4': [4.2], '6': [6.1, 6.3] }
     *
     * // The `_.property` iteratee shorthand.
     * _.groupBy(['one', 'two', 'three'], 'length');
     * // => { '3': ['one', 'two'], '5': ['three'] }
     */
    var groupBy = createAggregator(function(result, value, key) {
      if (hasOwnProperty.call(result, key)) {
        result[key].push(value);
      } else {
        baseAssignValue(result, key, [value]);
      }
    });

    /**
     * Checks if `value` is in `collection`. If `collection` is a string, it's
     * checked for a substring of `value`, otherwise
     * [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)
     * is used for equality comparisons. If `fromIndex` is negative, it's used as
     * the offset from the end of `collection`.
     *
     * @static
     * @memberOf _
     * @since 0.1.0
     * @category Collection
     * @param {Array|Object|string} collection The collection to inspect.
     * @param {*} value The value to search for.
     * @param {number} [fromIndex=0] The index to search from.
     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.reduce`.
     * @returns {boolean} Returns `true` if `value` is found, else `false`.
     * @example
     *
     * _.includes([1, 2, 3], 1);
     * // => true
     *
     * _.includes([1, 2, 3], 1, 2);
     * // => false
     *
     * _.includes({ 'a': 1, 'b': 2 }, 1);
     * // => true
     *
     * _.includes('abcd', 'bc');
     * // => true
     */
    function includes(collection, value, fromIndex, guard) {
      collection = isArrayLike(collection) ? collection : values(collection);
      fromIndex = (fromIndex && !guard) ? toInteger(fromIndex) : 0;

      var length = collection.length;
      if (fromIndex < 0) {
        fromIndex = nativeMax(length + fromIndex, 0);
      }
      return isString(collection)
        ? (fromIndex <= length && collection.indexOf(value, fromIndex) > -1)
        : (!!length && baseIndexOf(collection, value, fromIndex) > -1);
    }

    /**
     * Invokes the method at `path` of each element in `collection`, returning
     * an array of the results of each invoked method. Any additional arguments
     * are provided to each invoked method. If `path` is a function, it's invoked
     * for, and `this` bound to, each element in `collection`.
     *
     * @static
     * @memberOf _
     * @since 4.0.0
     * @category Collection
     * @param {Array|Object} collection The collection to iterate over.
     * @param {Array|Function|string} path The path of the method to invoke or
     *  the function invoked per iteration.
     * @param {...*} [args] The arguments to invoke each method with.
     * @returns {Array} Returns the array of results.
     * @example
     *
     * _.invokeMap([[5, 1, 7], [3, 2, 1]], 'sort');
     * // => [[1, 5, 7], [1, 2, 3]]
     *
     * _.invokeMap([123, 456], String.prototype.split, '');
     * // => [['1', '2', '3'], ['4', '5', '6']]
     */
    var invokeMap = baseRest(function(collection, path, args) {
      var index = -1,
          isFunc = typeof path == 'function',
          result = isArrayLike(collection) ? Array(collection.length) : [];

      baseEach(collection, function(value) {
        result[++index] = isFunc ? apply(path, value, args) : baseInvoke(value, path, args);
      });
      return result;
    });

    /**
     * Creates an object composed of keys generated from the results of running
     * each element of `collection` thru `iteratee`. The corresponding value of
     * each key is the last element responsible for generating the key. The
     * iteratee is invoked with one argument: (value).
     *
     * @static
     * @memberOf _
     * @since 4.0.0
     * @category Collection
     * @param {Array|Object} collection The collection to iterate over.
     * @param {Function} [iteratee=_.identity] The iteratee to transform keys.
     * @returns {Object} Returns the composed aggregate object.
     * @example
     *
     * var array = [
     *   { 'dir': 'left', 'code': 97 },
     *   { 'dir': 'right', 'code': 100 }
     * ];
     *
     * _.keyBy(array, function(o) {
     *   return String.fromCharCode(o.code);
     * });
     * // => { 'a': { 'dir': 'left', 'code': 97 }, 'd': { 'dir': 'right', 'code': 100 } }
     *
     * _.keyBy(array, 'dir');
     * // => { 'left': { 'dir': 'left', 'code': 97 }, 'right': { 'dir': 'right', 'code': 100 } }
     */
    var keyBy = createAggregator(function(result, value, key) {
      baseAssignValue(result, key, value);
    });

    /**
     * Creates an array of values by running each element in `collection` thru
     * `iteratee`. The iteratee is invoked with three arguments:
     * (value, index|key, collection).
     *
     * Many lodash methods are guarded to work as iteratees for methods like
     * `_.every`, `_.filter`, `_.map`, `_.mapValues`, `_.reject`, and `_.some`.
     *
     * The guarded methods are:
     * `ary`, `chunk`, `curry`, `curryRight`, `drop`, `dropRight`, `every`,
     * `fill`, `invert`, `parseInt`, `random`, `range`, `rangeRight`, `repeat`,
     * `sampleSize`, `slice`, `some`, `sortBy`, `split`, `take`, `takeRight`,
     * `template`, `trim`, `trimEnd`, `trimStart`, and `words`
     *
     * @static
     * @memberOf _
     * @since 0.1.0
     * @category Collection
     * @param {Array|Object} collection The collection to iterate over.
     * @param {Function} [iteratee=_.identity] The function invoked per iteration.
     * @returns {Array} Returns the new mapped array.
     * @example
     *
     * function square(n) {
     *   return n * n;
     * }
     *
     * _.map([4, 8], square);
     * // => [16, 64]
     *
     * _.map({ 'a': 4, 'b': 8 }, square);
     * // => [16, 64] (iteration order is not guaranteed)
     *
     * var users = [
     *   { 'user': 'barney' },
     *   { 'user': 'fred' }
     * ];
     *
     * // The `_.property` iteratee shorthand.
     * _.map(users, 'user');
     * // => ['barney', 'fred']
     */
    function map(collection, iteratee) {
      var func = isArray(collection) ? arrayMap : baseMap;
      return func(collection, getIteratee(iteratee, 3));
    }

    /**
     * This method is like `_.sortBy` except that it allows specifying the sort
     * orders of the iteratees to sort by. If `orders` is unspecified, all values
     * are sorted in ascending order. Otherwise, specify an order of "desc" for
     * descending or "asc" for ascending sort order of corresponding values.
     *
     * @static
     * @memberOf _
     * @since 4.0.0
     * @category Collection
     * @param {Array|Object} collection The collection to iterate over.
     * @param {Array[]|Function[]|Object[]|string[]} [iteratees=[_.identity]]
     *  The iteratees to sort by.
     * @param {string[]} [orders] The sort orders of `iteratees`.
     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.reduce`.
     * @returns {Array} Returns the new sorted array.
     * @example
     *
     * var users = [
     *   { 'user': 'fred',   'age': 48 },
     *   { 'user': 'barney', 'age': 34 },
     *   { 'user': 'fred',   'age': 40 },
     *   { 'user': 'barney', 'age': 36 }
     * ];
     *
     * // Sort by `user` in ascending order and by `age` in descending order.
     * _.orderBy(users, ['user', 'age'], ['asc', 'desc']);
     * // => objects for [['barney', 36], ['barney', 34], ['fred', 48], ['fred', 40]]
     */
    function orderBy(collection, iteratees, orders, guard) {
      if (collection == null) {
        return [];
      }
      if (!isArray(iteratees)) {
        iteratees = iteratees == null ? [] : [iteratees];
      }
      orders = guard ? undefined : orders;
      if (!isArray(orders)) {
        orders = orders == null ? [] : [orders];
      }
      return baseOrderBy(collection, iteratees, orders);
    }

    /**
     * Creates an array of elements split into two groups, the first of which
     * contains elements `predicate` returns truthy for, the second of which
     * contains elements `predicate` returns falsey for. The predicate is
     * invoked with one argument: (value).
     *
     * @static
     * @memberOf _
     * @since 3.0.0
     * @category Collection
     * @param {Array|Object} collection The collection to iterate over.
     * @param {Function} [predicate=_.identity] The function invoked per iteration.
     * @returns {Array} Returns the array of grouped elements.
     * @example
     *
     * var users = [
     *   { 'user': 'barney',  'age': 36, 'active': false },
     *   { 'user': 'fred',    'age': 40, 'active': true },
     *   { 'user': 'pebbles', 'age': 1,  'active': false }
     * ];
     *
     * _.partition(users, function(o) { return o.active; });
     * // => objects for [['fred'], ['barney', 'pebbles']]
     *
     * // The `_.matches` iteratee shorthand.
     * _.partition(users, { 'age': 1, 'active': false });
     * // => objects for [['pebbles'], ['barney', 'fred']]
     *
     * // The `_.matchesProperty` iteratee shorthand.
     * _.partition(users, ['active', false]);
     * // => objects for [['barney', 'pebbles'], ['fred']]
     *
     * // The `_.property` iteratee shorthand.
     * _.partition(users, 'active');
     * // => objects for [['fred'], ['barney', 'pebbles']]
     */
    var partition = createAggregator(function(result, value, key) {
      result[key ? 0 : 1].push(value);
    }, function() { return [[], []]; });

    /**
     * Reduces `collection` to a value which is the accumulated result of running
     * each element in `collection` thru `iteratee`, where each successive
     * invocation is supplied the return value of the previous. If `accumulator`
     * is not given, the first element of `collection` is used as the initial
     * value. The iteratee is invoked with four arguments:
     * (accumulator, value, index|key, collection).
     *
     * Many lodash methods are guarded to work as iteratees for methods like
     * `_.reduce`, `_.reduceRight`, and `_.transform`.
     *
     * The guarded methods are:
     * `assign`, `defaults`, `defaultsDeep`, `includes`, `merge`, `orderBy`,
     * and `sortBy`
     *
     * @static
     * @memberOf _
     * @since 0.1.0
     * @category Collection
     * @param {Array|Object} collection The collection to iterate over.
     * @param {Function} [iteratee=_.identity] The function invoked per iteration.
     * @param {*} [accumulator] The initial value.
     * @returns {*} Returns the accumulated value.
     * @see _.reduceRight
     * @example
     *
     * _.reduce([1, 2], function(sum, n) {
     *   return sum + n;
     * }, 0);
     * // => 3
     *
     * _.reduce({ 'a': 1, 'b': 2, 'c': 1 }, function(result, value, key) {
     *   (result[value] || (result[value] = [])).push(key);
     *   return result;
     * }, {});
     * // => { '1': ['a', 'c'], '2': ['b'] } (iteration order is not guaranteed)
     */
    function reduce(collection, iteratee, accumulator) {
      var func = isArray(collection) ? arrayReduce : baseReduce,
          initAccum = arguments.length < 3;

      return func(collection, getIteratee(iteratee, 4), accumulator, initAccum, baseEach);
    }

    /**
     * This method is like `_.reduce` except that it iterates over elements of
     * `collection` from right to left.
     *
     * @static
     * @memberOf _
     * @since 0.1.0
     * @category Collection
     * @param {Array|Object} collection The collection to iterate over.
     * @param {Function} [iteratee=_.identity] The function invoked per iteration.
     * @param {*} [accumulator] The initial value.
     * @returns {*} Returns the accumulated value.
     * @see _.reduce
     * @example
     *
     * var array = [[0, 1], [2, 3], [4, 5]];
     *
     * _.reduceRight(array, function(flattened, other) {
     *   return flattened.concat(other);
     * }, []);
     * // => [4, 5, 2, 3, 0, 1]
     */
    function reduceRight(collection, iteratee, accumulator) {
      var func = isArray(collection) ? arrayReduceRight : baseReduce,
          initAccum = arguments.length < 3;

      return func(collection, getIteratee(iteratee, 4), accumulator, initAccum, baseEachRight);
    }

    /**
     * The opposite of `_.filter`; this method returns the elements of `collection`
     * that `predicate` does **not** return truthy for.
     *
     * @static
     * @memberOf _
     * @since 0.1.0
     * @category Collection
     * @param {Array|Object} collection The collection to iterate over.
     * @param {Function} [predicate=_.identity] The function invoked per iteration.
     * @returns {Array} Returns the new filtered array.
     * @see _.filter
     * @example
     *
     * var users = [
     *   { 'user': 'barney', 'age': 36, 'active': false },
     *   { 'user': 'fred',   'age': 40, 'active': true }
     * ];
     *
     * _.reject(users, function(o) { return !o.active; });
     * // => objects for ['fred']
     *
     * // The `_.matches` iteratee shorthand.
     * _.reject(users, { 'age': 40, 'active': true });
     * // => objects for ['barney']
     *
     * // The `_.matchesProperty` iteratee shorthand.
     * _.reject(users, ['active', false]);
     * // => objects for ['fred']
     *
     * // The `_.property` iteratee shorthand.
     * _.reject(users, 'active');
     * // => objects for ['barney']
     */
    function reject(collection, predicate) {
      var func = isArray(collection) ? arrayFilter : baseFilter;
      return func(collection, negate(getIteratee(predicate, 3)));
    }

    /**
     * Gets a random element from `collection`.
     *
     * @static
     * @memberOf _
     * @since 2.0.0
     * @category Collection
     * @param {Array|Object} collection The collection to sample.
     * @returns {*} Returns the random element.
     * @example
     *
     * _.sample([1, 2, 3, 4]);
     * // => 2
     */
    function sample(collection) {
      var func = isArray(collection) ? arraySample : baseSample;
      return func(collection);
    }

    /**
     * Gets `n` random elements at unique keys from `collection` up to the
     * size of `collection`.
     *
     * @static
     * @memberOf _
     * @since 4.0.0
     * @category Collection
     * @param {Array|Object} collection The collection to sample.
     * @param {number} [n=1] The number of elements to sample.
     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.
     * @returns {Array} Returns the random elements.
     * @example
     *
     * _.sampleSize([1, 2, 3], 2);
     * // => [3, 1]
     *
     * _.sampleSize([1, 2, 3], 4);
     * // => [2, 3, 1]
     */
    function sampleSize(collection, n, guard) {
      if ((guard ? isIterateeCall(collection, n, guard) : n === undefined)) {
        n = 1;
      } else {
        n = toInteger(n);
      }
      var func = isArray(collection) ? arraySampleSize : baseSampleSize;
      return func(collection, n);
    }

    /**
     * Creates an array of shuffled values, using a version of the
     * [Fisher-Yates shuffle](https://en.wikipedia.org/wiki/Fisher-Yates_shuffle).
     *
     * @static
     * @memberOf _
     * @since 0.1.0
     * @category Collection
     * @param {Array|Object} collection The collection to shuffle.
     * @returns {Array} Returns the new shuffled array.
     * @example
     *
     * _.shuffle([1, 2, 3, 4]);
     * // => [4, 1, 3, 2]
     */
    function shuffle(collection) {
      var func = isArray(collection) ? arrayShuffle : baseShuffle;
      return func(collection);
    }

    /**
     * Gets the size of `collection` by returning its length for array-like
     * values or the number of own enumerable string keyed properties for objects.
     *
     * @static
     * @memberOf _
     * @since 0.1.0
     * @category Collection
     * @param {Array|Object|string} collection The collection to inspect.
     * @returns {number} Returns the collection size.
     * @example
     *
     * _.size([1, 2, 3]);
     * // => 3
     *
     * _.size({ 'a': 1, 'b': 2 });
     * // => 2
     *
     * _.size('pebbles');
     * // => 7
     */
    function size(collection) {
      if (collection == null) {
        return 0;
      }
      if (isArrayLike(collection)) {
        return isString(collection) ? stringSize(collection) : collection.length;
      }
      var tag = getTag(collection);
      if (tag == mapTag || tag == setTag) {
        return collection.size;
      }
      return baseKeys(collection).length;
    }

    /**
     * Checks if `predicate` returns truthy for **any** element of `collection`.
     * Iteration is stopped once `predicate` returns truthy. The predicate is
     * invoked with three arguments: (value, index|key, collection).
     *
     * @static
     * @memberOf _
     * @since 0.1.0
     * @category Collection
     * @param {Array|Object} collection The collection to iterate over.
     * @param {Function} [predicate=_.identity] The function invoked per iteration.
     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.
     * @returns {boolean} Returns `true` if any element passes the predicate check,
     *  else `false`.
     * @example
     *
     * _.some([null, 0, 'yes', false], Boolean);
     * // => true
     *
     * var users = [
     *   { 'user': 'barney', 'active': true },
     *   { 'user': 'fred',   'active': false }
     * ];
     *
     * // The `_.matches` iteratee shorthand.
     * _.some(users, { 'user': 'barney', 'active': false });
     * // => false
     *
     * // The `_.matchesProperty` iteratee shorthand.
     * _.some(users, ['active', false]);
     * // => true
     *
     * // The `_.property` iteratee shorthand.
     * _.some(users, 'active');
     * // => true
     */
    function some(collection, predicate, guard) {
      var func = isArray(collection) ? arraySome : baseSome;
      if (guard && isIterateeCall(collection, predicate, guard)) {
        predicate = undefined;
      }
      return func(collection, getIteratee(predicate, 3));
    }

    /**
     * Creates an array of elements, sorted in ascending order by the results of
     * running each element in a collection thru each iteratee. This method
     * performs a stable sort, that is, it preserves the original sort order of
     * equal elements. The iteratees are invoked with one argument: (value).
     *
     * @static
     * @memberOf _
     * @since 0.1.0
     * @category Collection
     * @param {Array|Object} collection The collection to iterate over.
     * @param {...(Function|Function[])} [iteratees=[_.identity]]
     *  The iteratees to sort by.
     * @returns {Array} Returns the new sorted array.
     * @example
     *
     * var users = [
     *   { 'user': 'fred',   'age': 48 },
     *   { 'user': 'barney', 'age': 36 },
     *   { 'user': 'fred',   'age': 30 },
     *   { 'user': 'barney', 'age': 34 }
     * ];
     *
     * _.sortBy(users, [function(o) { return o.user; }]);
     * // => objects for [['barney', 36], ['barney', 34], ['fred', 48], ['fred', 30]]
     *
     * _.sortBy(users, ['user', 'age']);
     * // => objects for [['barney', 34], ['barney', 36], ['fred', 30], ['fred', 48]]
     */
    var sortBy = baseRest(function(collection, iteratees) {
      if (collection == null) {
        return [];
      }
      var length = iteratees.length;
      if (length > 1 && isIterateeCall(collection, iteratees[0], iteratees[1])) {
        iteratees = [];
      } else if (length > 2 && isIterateeCall(iteratees[0], iteratees[1], iteratees[2])) {
        iteratees = [iteratees[0]];
      }
      return baseOrderBy(collection, baseFlatten(iteratees, 1), []);
    });

    /*------------------------------------------------------------------------*/

    /**
     * Gets the timestamp of the number of milliseconds that have elapsed since
     * the Unix epoch (1 January 1970 00:00:00 UTC).
     *
     * @static
     * @memberOf _
     * @since 2.4.0
     * @category Date
     * @returns {number} Returns the timestamp.
     * @example
     *
     * _.defer(function(stamp) {
     *   console.log(_.now() - stamp);
     * }, _.now());
     * // => Logs the number of milliseconds it took for the deferred invocation.
     */
    var now = ctxNow || function() {
      return root.Date.now();
    };

    /*------------------------------------------------------------------------*/

    /**
     * The opposite of `_.before`; this method creates a function that invokes
     * `func` once it's called `n` or more times.
     *
     * @static
     * @memberOf _
     * @since 0.1.0
     * @category Function
     * @param {number} n The number of calls before `func` is invoked.
     * @param {Function} func The function to restrict.
     * @returns {Function} Returns the new restricted function.
     * @example
     *
     * var saves = ['profile', 'settings'];
     *
     * var done = _.after(saves.length, function() {
     *   console.log('done saving!');
     * });
     *
     * _.forEach(saves, function(type) {
     *   asyncSave({ 'type': type, 'complete': done });
     * });
     * // => Logs 'done saving!' after the two async saves have completed.
     */
    function after(n, func) {
      if (typeof func != 'function') {
        throw new TypeError(FUNC_ERROR_TEXT);
      }
      n = toInteger(n);
      return function() {
        if (--n < 1) {
          return func.apply(this, arguments);
        }
      };
    }

    /**
     * Creates a function that invokes `func`, with up to `n` arguments,
     * ignoring any additional arguments.
     *
     * @static
     * @memberOf _
     * @since 3.0.0
     * @category Function
     * @param {Function} func The function to cap arguments for.
     * @param {number} [n=func.length] The arity cap.
     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.
     * @returns {Function} Returns the new capped function.
     * @example
     *
     * _.map(['6', '8', '10'], _.ary(parseInt, 1));
     * // => [6, 8, 10]
     */
    function ary(func, n, guard) {
      n = guard ? undefined : n;
      n = (func && n == null) ? func.length : n;
      return createWrap(func, WRAP_ARY_FLAG, undefined, undefined, undefined, undefined, n);
    }

    /**
     * Creates a function that invokes `func`, with the `this` binding and arguments
     * of the created function, while it's called less than `n` times. Subsequent
     * calls to the created function return the result of the last `func` invocation.
     *
     * @static
     * @memberOf _
     * @since 3.0.0
     * @category Function
     * @param {number} n The number of calls at which `func` is no longer invoked.
     * @param {Function} func The function to restrict.
     * @returns {Function} Returns the new restricted function.
     * @example
     *
     * jQuery(element).on('click', _.before(5, addContactToList));
     * // => Allows adding up to 4 contacts to the list.
     */
    function before(n, func) {
      var result;
      if (typeof func != 'function') {
        throw new TypeError(FUNC_ERROR_TEXT);
      }
      n = toInteger(n);
      return function() {
        if (--n > 0) {
          result = func.apply(this, arguments);
        }
        if (n <= 1) {
          func = undefined;
        }
        return result;
      };
    }

    /**
     * Creates a function that invokes `func` with the `this` binding of `thisArg`
     * and `partials` prepended to the arguments it receives.
     *
     * The `_.bind.placeholder` value, which defaults to `_` in monolithic builds,
     * may be used as a placeholder for partially applied arguments.
     *
     * **Note:** Unlike native `Function#bind`, this method doesn't set the "length"
     * property of bound functions.
     *
     * @static
     * @memberOf _
     * @since 0.1.0
     * @category Function
     * @param {Function} func The function to bind.
     * @param {*} thisArg The `this` binding of `func`.
     * @param {...*} [partials] The arguments to be partially applied.
     * @returns {Function} Returns the new bound function.
     * @example
     *
     * function greet(greeting, punctuation) {
     *   return greeting + ' ' + this.user + punctuation;
     * }
     *
     * var object = { 'user': 'fred' };
     *
     * var bound = _.bind(greet, object, 'hi');
     * bound('!');
     * // => 'hi fred!'
     *
     * // Bound with placeholders.
     * var bound = _.bind(greet, object, _, '!');
     * bound('hi');
     * // => 'hi fred!'
     */
    var bind = baseRest(function(func, thisArg, partials) {
      var bitmask = WRAP_BIND_FLAG;
      if (partials.length) {
        var holders = replaceHolders(partials, getHolder(bind));
        bitmask |= WRAP_PARTIAL_FLAG;
      }
      return createWrap(func, bitmask, thisArg, partials, holders);
    });

    /**
     * Creates a function that invokes the method at `object[key]` with `partials`
     * prepended to the arguments it receives.
     *
     * This method differs from `_.bind` by allowing bound functions to reference
     * methods that may be redefined or don't yet exist. See
     * [Peter Michaux's article](http://peter.michaux.ca/articles/lazy-function-definition-pattern)
     * for more details.
     *
     * The `_.bindKey.placeholder` value, which defaults to `_` in monolithic
     * builds, may be used as a placeholder for partially applied arguments.
     *
     * @static
     * @memberOf _
     * @since 0.10.0
     * @category Function
     * @param {Object} object The object to invoke the method on.
     * @param {string} key The key of the method.
     * @param {...*} [partials] The arguments to be partially applied.
     * @returns {Function} Returns the new bound function.
     * @example
     *
     * var object = {
     *   'user': 'fred',
     *   'greet': function(greeting, punctuation) {
     *     return greeting + ' ' + this.user + punctuation;
     *   }
     * };
     *
     * var bound = _.bindKey(object, 'greet', 'hi');
     * bound('!');
     * // => 'hi fred!'
     *
     * object.greet = function(greeting, punctuation) {
     *   return greeting + 'ya ' + this.user + punctuation;
     * };
     *
     * bound('!');
     * // => 'hiya fred!'
     *
     * // Bound with placeholders.
     * var bound = _.bindKey(object, 'greet', _, '!');
     * bound('hi');
     * // => 'hiya fred!'
     */
    var bindKey = baseRest(function(object, key, partials) {
      var bitmask = WRAP_BIND_FLAG | WRAP_BIND_KEY_FLAG;
      if (partials.length) {
        var holders = replaceHolders(partials, getHolder(bindKey));
        bitmask |= WRAP_PARTIAL_FLAG;
      }
      return createWrap(key, bitmask, object, partials, holders);
    });

    /**
     * Creates a function that accepts arguments of `func` and either invokes
     * `func` returning its result, if at least `arity` number of arguments have
     * been provided, or returns a function that accepts the remaining `func`
     * arguments, and so on. The arity of `func` may be specified if `func.length`
     * is not sufficient.
     *
     * The `_.curry.placeholder` value, which defaults to `_` in monolithic builds,
     * may be used as a placeholder for provided arguments.
     *
     * **Note:** This method doesn't set the "length" property of curried functions.
     *
     * @static
     * @memberOf _
     * @since 2.0.0
     * @category Function
     * @param {Function} func The function to curry.
     * @param {number} [arity=func.length] The arity of `func`.
     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.
     * @returns {Function} Returns the new curried function.
     * @example
     *
     * var abc = function(a, b, c) {
     *   return [a, b, c];
     * };
     *
     * var curried = _.curry(abc);
     *
     * curried(1)(2)(3);
     * // => [1, 2, 3]
     *
     * curried(1, 2)(3);
     * // => [1, 2, 3]
     *
     * curried(1, 2, 3);
     * // => [1, 2, 3]
     *
     * // Curried with placeholders.
     * curried(1)(_, 3)(2);
     * // => [1, 2, 3]
     */
    function curry(func, arity, guard) {
      arity = guard ? undefined : arity;
      var result = createWrap(func, WRAP_CURRY_FLAG, undefined, undefined, undefined, undefined, undefined, arity);
      result.placeholder = curry.placeholder;
      return result;
    }

    /**
     * This method is like `_.curry` except that arguments are applied to `func`
     * in the manner of `_.partialRight` instead of `_.partial`.
     *
     * The `_.curryRight.placeholder` value, which defaults to `_` in monolithic
     * builds, may be used as a placeholder for provided arguments.
     *
     * **Note:** This method doesn't set the "length" property of curried functions.
     *
     * @static
     * @memberOf _
     * @since 3.0.0
     * @category Function
     * @param {Function} func The function to curry.
     * @param {number} [arity=func.length] The arity of `func`.
     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.
     * @returns {Function} Returns the new curried function.
     * @example
     *
     * var abc = function(a, b, c) {
     *   return [a, b, c];
     * };
     *
     * var curried = _.curryRight(abc);
     *
     * curried(3)(2)(1);
     * // => [1, 2, 3]
     *
     * curried(2, 3)(1);
     * // => [1, 2, 3]
     *
     * curried(1, 2, 3);
     * // => [1, 2, 3]
     *
     * // Curried with placeholders.
     * curried(3)(1, _)(2);
     * // => [1, 2, 3]
     */
    function curryRight(func, arity, guard) {
      arity = guard ? undefined : arity;
      var result = createWrap(func, WRAP_CURRY_RIGHT_FLAG, undefined, undefined, undefined, undefined, undefined, arity);
      result.placeholder = curryRight.placeholder;
      return result;
    }

    /**
     * Creates a debounced function that delays invoking `func` until after `wait`
     * milliseconds have elapsed since the last time the debounced function was
     * invoked. The debounced function comes with a `cancel` method to cancel
     * delayed `func` invocations and a `flush` method to immediately invoke them.
     * Provide `options` to indicate whether `func` should be invoked on the
     * leading and/or trailing edge of the `wait` timeout. The `func` is invoked
     * with the last arguments provided to the debounced function. Subsequent
     * calls to the debounced function return the result of the last `func`
     * invocation.
     *
     * **Note:** If `leading` and `trailing` options are `true`, `func` is
     * invoked on the trailing edge of the timeout only if the debounced function
     * is invoked more than once during the `wait` timeout.
     *
     * If `wait` is `0` and `leading` is `false`, `func` invocation is deferred
     * until to the next tick, similar to `setTimeout` with a timeout of `0`.
     *
     * See [David Corbacho's article](https://css-tricks.com/debouncing-throttling-explained-examples/)
     * for details over the differences between `_.debounce` and `_.throttle`.
     *
     * @static
     * @memberOf _
     * @since 0.1.0
     * @category Function
     * @param {Function} func The function to debounce.
     * @param {number} [wait=0] The number of milliseconds to delay.
     * @param {Object} [options={}] The options object.
     * @param {boolean} [options.leading=false]
     *  Specify invoking on the leading edge of the timeout.
     * @param {number} [options.maxWait]
     *  The maximum time `func` is allowed to be delayed before it's invoked.
     * @param {boolean} [options.trailing=true]
     *  Specify invoking on the trailing edge of the timeout.
     * @returns {Function} Returns the new debounced function.
     * @example
     *
     * // Avoid costly calculations while the window size is in flux.
     * jQuery(window).on('resize', _.debounce(calculateLayout, 150));
     *
     * // Invoke `sendMail` when clicked, debouncing subsequent calls.
     * jQuery(element).on('click', _.debounce(sendMail, 300, {
     *   'leading': true,
     *   'trailing': false
     * }));
     *
     * // Ensure `batchLog` is invoked once after 1 second of debounced calls.
     * var debounced = _.debounce(batchLog, 250, { 'maxWait': 1000 });
     * var source = new EventSource('/stream');
     * jQuery(source).on('message', debounced);
     *
     * // Cancel the trailing debounced invocation.
     * jQuery(window).on('popstate', debounced.cancel);
     */
    function debounce(func, wait, options) {
      var lastArgs,
          lastThis,
          maxWait,
          result,
          timerId,
          lastCallTime,
          lastInvokeTime = 0,
          leading = false,
          maxing = false,
          trailing = true;

      if (typeof func != 'function') {
        throw new TypeError(FUNC_ERROR_TEXT);
      }
      wait = toNumber(wait) || 0;
      if (isObject(options)) {
        leading = !!options.leading;
        maxing = 'maxWait' in options;
        maxWait = maxing ? nativeMax(toNumber(options.maxWait) || 0, wait) : maxWait;
        trailing = 'trailing' in options ? !!options.trailing : trailing;
      }

      function invokeFunc(time) {
        var args = lastArgs,
            thisArg = lastThis;

        lastArgs = lastThis = undefined;
        lastInvokeTime = time;
        result = func.apply(thisArg, args);
        return result;
      }

      function leadingEdge(time) {
        // Reset any `maxWait` timer.
        lastInvokeTime = time;
        // Start the timer for the trailing edge.
        timerId = setTimeout(timerExpired, wait);
        // Invoke the leading edge.
        return leading ? invokeFunc(time) : result;
      }

      function remainingWait(time) {
        var timeSinceLastCall = time - lastCallTime,
            timeSinceLastInvoke = time - lastInvokeTime,
            timeWaiting = wait - timeSinceLastCall;

        return maxing
          ? nativeMin(timeWaiting, maxWait - timeSinceLastInvoke)
          : timeWaiting;
      }

      function shouldInvoke(time) {
        var timeSinceLastCall = time - lastCallTime,
            timeSinceLastInvoke = time - lastInvokeTime;

        // Either this is the first call, activity has stopped and we're at the
        // trailing edge, the system time has gone backwards and we're treating
        // it as the trailing edge, or we've hit the `maxWait` limit.
        return (lastCallTime === undefined || (timeSinceLastCall >= wait) ||
          (timeSinceLastCall < 0) || (maxing && timeSinceLastInvoke >= maxWait));
      }

      function timerExpired() {
        var time = now();
        if (shouldInvoke(time)) {
          return trailingEdge(time);
        }
        // Restart the timer.
        timerId = setTimeout(timerExpired, remainingWait(time));
      }

      function trailingEdge(time) {
        timerId = undefined;

        // Only invoke if we have `lastArgs` which means `func` has been
        // debounced at least once.
        if (trailing && lastArgs) {
          return invokeFunc(time);
        }
        lastArgs = lastThis = undefined;
        return result;
      }

      function cancel() {
        if (timerId !== undefined) {
          clearTimeout(timerId);
        }
        lastInvokeTime = 0;
        lastArgs = lastCallTime = lastThis = timerId = undefined;
      }

      function flush() {
        return timerId === undefined ? result : trailingEdge(now());
      }

      function debounced() {
        var time = now(),
            isInvoking = shouldInvoke(time);

        lastArgs = arguments;
        lastThis = this;
        lastCallTime = time;

        if (isInvoking) {
          if (timerId === undefined) {
            return leadingEdge(lastCallTime);
          }
          if (maxing) {
            // Handle invocations in a tight loop.
            clearTimeout(timerId);
            timerId = setTimeout(timerExpired, wait);
            return invokeFunc(lastCallTime);
          }
        }
        if (timerId === undefined) {
          timerId = setTimeout(timerExpired, wait);
        }
        return result;
      }
      debounced.cancel = cancel;
      debounced.flush = flush;
      return debounced;
    }

    /**
     * Defers invoking the `func` until the current call stack has cleared. Any
     * additional arguments are provided to `func` when it's invoked.
     *
     * @static
     * @memberOf _
     * @since 0.1.0
     * @category Function
     * @param {Function} func The function to defer.
     * @param {...*} [args] The arguments to invoke `func` with.
     * @returns {number} Returns the timer id.
     * @example
     *
     * _.defer(function(text) {
     *   console.log(text);
     * }, 'deferred');
     * // => Logs 'deferred' after one millisecond.
     */
    var defer = baseRest(function(func, args) {
      return baseDelay(func, 1, args);
    });

    /**
     * Invokes `func` after `wait` milliseconds. Any additional arguments are
     * provided to `func` when it's invoked.
     *
     * @static
     * @memberOf _
     * @since 0.1.0
     * @category Function
     * @param {Function} func The function to delay.
     * @param {number} wait The number of milliseconds to delay invocation.
     * @param {...*} [args] The arguments to invoke `func` with.
     * @returns {number} Returns the timer id.
     * @example
     *
     * _.delay(function(text) {
     *   console.log(text);
     * }, 1000, 'later');
     * // => Logs 'later' after one second.
     */
    var delay = baseRest(function(func, wait, args) {
      return baseDelay(func, toNumber(wait) || 0, args);
    });

    /**
     * Creates a function that invokes `func` with arguments reversed.
     *
     * @static
     * @memberOf _
     * @since 4.0.0
     * @category Function
     * @param {Function} func The function to flip arguments for.
     * @returns {Function} Returns the new flipped function.
     * @example
     *
     * var flipped = _.flip(function() {
     *   return _.toArray(arguments);
     * });
     *
     * flipped('a', 'b', 'c', 'd');
     * // => ['d', 'c', 'b', 'a']
     */
    function flip(func) {
      return createWrap(func, WRAP_FLIP_FLAG);
    }

    /**
     * Creates a function that memoizes the result of `func`. If `resolver` is
     * provided, it determines the cache key for storing the result based on the
     * arguments provided to the memoized function. By default, the first argument
     * provided to the memoized function is used as the map cache key. The `func`
     * is invoked with the `this` binding of the memoized function.
     *
     * **Note:** The cache is exposed as the `cache` property on the memoized
     * function. Its creation may be customized by replacing the `_.memoize.Cache`
     * constructor with one whose instances implement the
     * [`Map`](http://ecma-international.org/ecma-262/7.0/#sec-properties-of-the-map-prototype-object)
     * method interface of `clear`, `delete`, `get`, `has`, and `set`.
     *
     * @static
     * @memberOf _
     * @since 0.1.0
     * @category Function
     * @param {Function} func The function to have its output memoized.
     * @param {Function} [resolver] The function to resolve the cache key.
     * @returns {Function} Returns the new memoized function.
     * @example
     *
     * var object = { 'a': 1, 'b': 2 };
     * var other = { 'c': 3, 'd': 4 };
     *
     * var values = _.memoize(_.values);
     * values(object);
     * // => [1, 2]
     *
     * values(other);
     * // => [3, 4]
     *
     * object.a = 2;
     * values(object);
     * // => [1, 2]
     *
     * // Modify the result cache.
     * values.cache.set(object, ['a', 'b']);
     * values(object);
     * // => ['a', 'b']
     *
     * // Replace `_.memoize.Cache`.
     * _.memoize.Cache = WeakMap;
     */
    function memoize(func, resolver) {
      if (typeof func != 'function' || (resolver != null && typeof resolver != 'function')) {
        throw new TypeError(FUNC_ERROR_TEXT);
      }
      var memoized = function() {
        var args = arguments,
            key = resolver ? resolver.apply(this, args) : args[0],
            cache = memoized.cache;

        if (cache.has(key)) {
          return cache.get(key);
        }
        var result = func.apply(this, args);
        memoized.cache = cache.set(key, result) || cache;
        return result;
      };
      memoized.cache = new (memoize.Cache || MapCache);
      return memoized;
    }

    // Expose `MapCache`.
    memoize.Cache = MapCache;

    /**
     * Creates a function that negates the result of the predicate `func`. The
     * `func` predicate is invoked with the `this` binding and arguments of the
     * created function.
     *
     * @static
     * @memberOf _
     * @since 3.0.0
     * @category Function
     * @param {Function} predicate The predicate to negate.
     * @returns {Function} Returns the new negated function.
     * @example
     *
     * function isEven(n) {
     *   return n % 2 == 0;
     * }
     *
     * _.filter([1, 2, 3, 4, 5, 6], _.negate(isEven));
     * // => [1, 3, 5]
     */
    function negate(predicate) {
      if (typeof predicate != 'function') {
        throw new TypeError(FUNC_ERROR_TEXT);
      }
      return function() {
        var args = arguments;
        switch (args.length) {
          case 0: return !predicate.call(this);
          case 1: return !predicate.call(this, args[0]);
          case 2: return !predicate.call(this, args[0], args[1]);
          case 3: return !predicate.call(this, args[0], args[1], args[2]);
        }
        return !predicate.apply(this, args);
      };
    }

    /**
     * Creates a function that is restricted to invoking `func` once. Repeat calls
     * to the function return the value of the first invocation. The `func` is
     * invoked with the `this` binding and arguments of the created function.
     *
     * @static
     * @memberOf _
     * @since 0.1.0
     * @category Function
     * @param {Function} func The function to restrict.
     * @returns {Function} Returns the new restricted function.
     * @example
     *
     * var initialize = _.once(createApplication);
     * initialize();
     * initialize();
     * // => `createApplication` is invoked once
     */
    function once(func) {
      return before(2, func);
    }

    /**
     * Creates a function that invokes `func` with its arguments transformed.
     *
     * @static
     * @since 4.0.0
     * @memberOf _
     * @category Function
     * @param {Function} func The function to wrap.
     * @param {...(Function|Function[])} [transforms=[_.identity]]
     *  The argument transforms.
     * @returns {Function} Returns the new function.
     * @example
     *
     * function doubled(n) {
     *   return n * 2;
     * }
     *
     * function square(n) {
     *   return n * n;
     * }
     *
     * var func = _.overArgs(function(x, y) {
     *   return [x, y];
     * }, [square, doubled]);
     *
     * func(9, 3);
     * // => [81, 6]
     *
     * func(10, 5);
     * // => [100, 10]
     */
    var overArgs = castRest(function(func, transforms) {
      transforms = (transforms.length == 1 && isArray(transforms[0]))
        ? arrayMap(transforms[0], baseUnary(getIteratee()))
        : arrayMap(baseFlatten(transforms, 1), baseUnary(getIteratee()));

      var funcsLength = transforms.length;
      return baseRest(function(args) {
        var index = -1,
            length = nativeMin(args.length, funcsLength);

        while (++index < length) {
          args[index] = transforms[index].call(this, args[index]);
        }
        return apply(func, this, args);
      });
    });

    /**
     * Creates a function that invokes `func` with `partials` prepended to the
     * arguments it receives. This method is like `_.bind` except it does **not**
     * alter the `this` binding.
     *
     * The `_.partial.placeholder` value, which defaults to `_` in monolithic
     * builds, may be used as a placeholder for partially applied arguments.
     *
     * **Note:** This method doesn't set the "length" property of partially
     * applied functions.
     *
     * @static
     * @memberOf _
     * @since 0.2.0
     * @category Function
     * @param {Function} func The function to partially apply arguments to.
     * @param {...*} [partials] The arguments to be partially applied.
     * @returns {Function} Returns the new partially applied function.
     * @example
     *
     * function greet(greeting, name) {
     *   return greeting + ' ' + name;
     * }
     *
     * var sayHelloTo = _.partial(greet, 'hello');
     * sayHelloTo('fred');
     * // => 'hello fred'
     *
     * // Partially applied with placeholders.
     * var greetFred = _.partial(greet, _, 'fred');
     * greetFred('hi');
     * // => 'hi fred'
     */
    var partial = baseRest(function(func, partials) {
      var holders = replaceHolders(partials, getHolder(partial));
      return createWrap(func, WRAP_PARTIAL_FLAG, undefined, partials, holders);
    });

    /**
     * This method is like `_.partial` except that partially applied arguments
     * are appended to the arguments it receives.
     *
     * The `_.partialRight.placeholder` value, which defaults to `_` in monolithic
     * builds, may be used as a placeholder for partially applied arguments.
     *
     * **Note:** This method doesn't set the "length" property of partially
     * applied functions.
     *
     * @static
     * @memberOf _
     * @since 1.0.0
     * @category Function
     * @param {Function} func The function to partially apply arguments to.
     * @param {...*} [partials] The arguments to be partially applied.
     * @returns {Function} Returns the new partially applied function.
     * @example
     *
     * function greet(greeting, name) {
     *   return greeting + ' ' + name;
     * }
     *
     * var greetFred = _.partialRight(greet, 'fred');
     * greetFred('hi');
     * // => 'hi fred'
     *
     * // Partially applied with placeholders.
     * var sayHelloTo = _.partialRight(greet, 'hello', _);
     * sayHelloTo('fred');
     * // => 'hello fred'
     */
    var partialRight = baseRest(function(func, partials) {
      var holders = replaceHolders(partials, getHolder(partialRight));
      return createWrap(func, WRAP_PARTIAL_RIGHT_FLAG, undefined, partials, holders);
    });

    /**
     * Creates a function that invokes `func` with arguments arranged according
     * to the specified `indexes` where the argument value at the first index is
     * provided as the first argument, the argument value at the second index is
     * provided as the second argument, and so on.
     *
     * @static
     * @memberOf _
     * @since 3.0.0
     * @category Function
     * @param {Function} func The function to rearrange arguments for.
     * @param {...(number|number[])} indexes The arranged argument indexes.
     * @returns {Function} Returns the new function.
     * @example
     *
     * var rearged = _.rearg(function(a, b, c) {
     *   return [a, b, c];
     * }, [2, 0, 1]);
     *
     * rearged('b', 'c', 'a')
     * // => ['a', 'b', 'c']
     */
    var rearg = flatRest(function(func, indexes) {
      return createWrap(func, WRAP_REARG_FLAG, undefined, undefined, undefined, indexes);
    });

    /**
     * Creates a function that invokes `func` with the `this` binding of the
     * created function and arguments from `start` and beyond provided as
     * an array.
     *
     * **Note:** This method is based on the
     * [rest parameter](https://mdn.io/rest_parameters).
     *
     * @static
     * @memberOf _
     * @since 4.0.0
     * @category Function
     * @param {Function} func The function to apply a rest parameter to.
     * @param {number} [start=func.length-1] The start position of the rest parameter.
     * @returns {Function} Returns the new function.
     * @example
     *
     * var say = _.rest(function(what, names) {
     *   return what + ' ' + _.initial(names).join(', ') +
     *     (_.size(names) > 1 ? ', & ' : '') + _.last(names);
     * });
     *
     * say('hello', 'fred', 'barney', 'pebbles');
     * // => 'hello fred, barney, & pebbles'
     */
    function rest(func, start) {
      if (typeof func != 'function') {
        throw new TypeError(FUNC_ERROR_TEXT);
      }
      start = start === undefined ? start : toInteger(start);
      return baseRest(func, start);
    }

    /**
     * Creates a function that invokes `func` with the `this` binding of the
     * create function and an array of arguments much like
     * [`Function#apply`](http://www.ecma-international.org/ecma-262/7.0/#sec-function.prototype.apply).
     *
     * **Note:** This method is based on the
     * [spread operator](https://mdn.io/spread_operator).
     *
     * @static
     * @memberOf _
     * @since 3.2.0
     * @category Function
     * @param {Function} func The function to spread arguments over.
     * @param {number} [start=0] The start position of the spread.
     * @returns {Function} Returns the new function.
     * @example
     *
     * var say = _.spread(function(who, what) {
     *   return who + ' says ' + what;
     * });
     *
     * say(['fred', 'hello']);
     * // => 'fred says hello'
     *
     * var numbers = Promise.all([
     *   Promise.resolve(40),
     *   Promise.resolve(36)
     * ]);
     *
     * numbers.then(_.spread(function(x, y) {
     *   return x + y;
     * }));
     * // => a Promise of 76
     */
    function spread(func, start) {
      if (typeof func != 'function') {
        throw new TypeError(FUNC_ERROR_TEXT);
      }
      start = start == null ? 0 : nativeMax(toInteger(start), 0);
      return baseRest(function(args) {
        var array = args[start],
            otherArgs = castSlice(args, 0, start);

        if (array) {
          arrayPush(otherArgs, array);
        }
        return apply(func, this, otherArgs);
      });
    }

    /**
     * Creates a throttled function that only invokes `func` at most once per
     * every `wait` milliseconds. The throttled function comes with a `cancel`
     * method to cancel delayed `func` invocations and a `flush` method to
     * immediately invoke them. Provide `options` to indicate whether `func`
     * should be invoked on the leading and/or trailing edge of the `wait`
     * timeout. The `func` is invoked with the last arguments provided to the
     * throttled function. Subsequent calls to the throttled function return the
     * result of the last `func` invocation.
     *
     * **Note:** If `leading` and `trailing` options are `true`, `func` is
     * invoked on the trailing edge of the timeout only if the throttled function
     * is invoked more than once during the `wait` timeout.
     *
     * If `wait` is `0` and `leading` is `false`, `func` invocation is deferred
     * until to the next tick, similar to `setTimeout` with a timeout of `0`.
     *
     * See [David Corbacho's article](https://css-tricks.com/debouncing-throttling-explained-examples/)
     * for details over the differences between `_.throttle` and `_.debounce`.
     *
     * @static
     * @memberOf _
     * @since 0.1.0
     * @category Function
     * @param {Function} func The function to throttle.
     * @param {number} [wait=0] The number of milliseconds to throttle invocations to.
     * @param {Object} [options={}] The options object.
     * @param {boolean} [options.leading=true]
     *  Specify invoking on the leading edge of the timeout.
     * @param {boolean} [options.trailing=true]
     *  Specify invoking on the trailing edge of the timeout.
     * @returns {Function} Returns the new throttled function.
     * @example
     *
     * // Avoid excessively updating the position while scrolling.
     * jQuery(window).on('scroll', _.throttle(updatePosition, 100));
     *
     * // Invoke `renewToken` when the click event is fired, but not more than once every 5 minutes.
     * var throttled = _.throttle(renewToken, 300000, { 'trailing': false });
     * jQuery(element).on('click', throttled);
     *
     * // Cancel the trailing throttled invocation.
     * jQuery(window).on('popstate', throttled.cancel);
     */
    function throttle(func, wait, options) {
      var leading = true,
          trailing = true;

      if (typeof func != 'function') {
        throw new TypeError(FUNC_ERROR_TEXT);
      }
      if (isObject(options)) {
        leading = 'leading' in options ? !!options.leading : leading;
        trailing = 'trailing' in options ? !!options.trailing : trailing;
      }
      return debounce(func, wait, {
        'leading': leading,
        'maxWait': wait,
        'trailing': trailing
      });
    }

    /**
     * Creates a function that accepts up to one argument, ignoring any
     * additional arguments.
     *
     * @static
     * @memberOf _
     * @since 4.0.0
     * @category Function
     * @param {Function} func The function to cap arguments for.
     * @returns {Function} Returns the new capped function.
     * @example
     *
     * _.map(['6', '8', '10'], _.unary(parseInt));
     * // => [6, 8, 10]
     */
    function unary(func) {
      return ary(func, 1);
    }

    /**
     * Creates a function that provides `value` to `wrapper` as its first
     * argument. Any additional arguments provided to the function are appended
     * to those provided to the `wrapper`. The wrapper is invoked with the `this`
     * binding of the created function.
     *
     * @static
     * @memberOf _
     * @since 0.1.0
     * @category Function
     * @param {*} value The value to wrap.
     * @param {Function} [wrapper=identity] The wrapper function.
     * @returns {Function} Returns the new function.
     * @example
     *
     * var p = _.wrap(_.escape, function(func, text) {
     *   return '<p>' + func(text) + '</p>';
     * });
     *
     * p('fred, barney, & pebbles');
     * // => '<p>fred, barney, &amp; pebbles</p>'
     */
    function wrap(value, wrapper) {
      return partial(castFunction(wrapper), value);
    }

    /*------------------------------------------------------------------------*/

    /**
     * Casts `value` as an array if it's not one.
     *
     * @static
     * @memberOf _
     * @since 4.4.0
     * @category Lang
     * @param {*} value The value to inspect.
     * @returns {Array} Returns the cast array.
     * @example
     *
     * _.castArray(1);
     * // => [1]
     *
     * _.castArray({ 'a': 1 });
     * // => [{ 'a': 1 }]
     *
     * _.castArray('abc');
     * // => ['abc']
     *
     * _.castArray(null);
     * // => [null]
     *
     * _.castArray(undefined);
     * // => [undefined]
     *
     * _.castArray();
     * // => []
     *
     * var array = [1, 2, 3];
     * console.log(_.castArray(array) === array);
     * // => true
     */
    function castArray() {
      if (!arguments.length) {
        return [];
      }
      var value = arguments[0];
      return isArray(value) ? value : [value];
    }

    /**
     * Creates a shallow clone of `value`.
     *
     * **Note:** This method is loosely based on the
     * [structured clone algorithm](https://mdn.io/Structured_clone_algorithm)
     * and supports cloning arrays, array buffers, booleans, date objects, maps,
     * numbers, `Object` objects, regexes, sets, strings, symbols, and typed
     * arrays. The own enumerable properties of `arguments` objects are cloned
     * as plain objects. An empty object is returned for uncloneable values such
     * as error objects, functions, DOM nodes, and WeakMaps.
     *
     * @static
     * @memberOf _
     * @since 0.1.0
     * @category Lang
     * @param {*} value The value to clone.
     * @returns {*} Returns the cloned value.
     * @see _.cloneDeep
     * @example
     *
     * var objects = [{ 'a': 1 }, { 'b': 2 }];
     *
     * var shallow = _.clone(objects);
     * console.log(shallow[0] === objects[0]);
     * // => true
     */
    function clone(value) {
      return baseClone(value, CLONE_SYMBOLS_FLAG);
    }

    /**
     * This method is like `_.clone` except that it accepts `customizer` which
     * is invoked to produce the cloned value. If `customizer` returns `undefined`,
     * cloning is handled by the method instead. The `customizer` is invoked with
     * up to four arguments; (value [, index|key, object, stack]).
     *
     * @static
     * @memberOf _
     * @since 4.0.0
     * @category Lang
     * @param {*} value The value to clone.
     * @param {Function} [customizer] The function to customize cloning.
     * @returns {*} Returns the cloned value.
     * @see _.cloneDeepWith
     * @example
     *
     * function customizer(value) {
     *   if (_.isElement(value)) {
     *     return value.cloneNode(false);
     *   }
     * }
     *
     * var el = _.cloneWith(document.body, customizer);
     *
     * console.log(el === document.body);
     * // => false
     * console.log(el.nodeName);
     * // => 'BODY'
     * console.log(el.childNodes.length);
     * // => 0
     */
    function cloneWith(value, customizer) {
      customizer = typeof customizer == 'function' ? customizer : undefined;
      return baseClone(value, CLONE_SYMBOLS_FLAG, customizer);
    }

    /**
     * This method is like `_.clone` except that it recursively clones `value`.
     *
     * @static
     * @memberOf _
     * @since 1.0.0
     * @category Lang
     * @param {*} value The value to recursively clone.
     * @returns {*} Returns the deep cloned value.
     * @see _.clone
     * @example
     *
     * var objects = [{ 'a': 1 }, { 'b': 2 }];
     *
     * var deep = _.cloneDeep(objects);
     * console.log(deep[0] === objects[0]);
     * // => false
     */
    function cloneDeep(value) {
      return baseClone(value, CLONE_DEEP_FLAG | CLONE_SYMBOLS_FLAG);
    }

    /**
     * This method is like `_.cloneWith` except that it recursively clones `value`.
     *
     * @static
     * @memberOf _
     * @since 4.0.0
     * @category Lang
     * @param {*} value The value to recursively clone.
     * @param {Function} [customizer] The function to customize cloning.
     * @returns {*} Returns the deep cloned value.
     * @see _.cloneWith
     * @example
     *
     * function customizer(value) {
     *   if (_.isElement(value)) {
     *     return value.cloneNode(true);
     *   }
     * }
     *
     * var el = _.cloneDeepWith(document.body, customizer);
     *
     * console.log(el === document.body);
     * // => false
     * console.log(el.nodeName);
     * // => 'BODY'
     * console.log(el.childNodes.length);
     * // => 20
     */
    function cloneDeepWith(value, customizer) {
      customizer = typeof customizer == 'function' ? customizer : undefined;
      return baseClone(value, CLONE_DEEP_FLAG | CLONE_SYMBOLS_FLAG, customizer);
    }

    /**
     * Checks if `object` conforms to `source` by invoking the predicate
     * properties of `source` with the corresponding property values of `object`.
     *
     * **Note:** This method is equivalent to `_.conforms` when `source` is
     * partially applied.
     *
     * @static
     * @memberOf _
     * @since 4.14.0
     * @category Lang
     * @param {Object} object The object to inspect.
     * @param {Object} source The object of property predicates to conform to.
     * @returns {boolean} Returns `true` if `object` conforms, else `false`.
     * @example
     *
     * var object = { 'a': 1, 'b': 2 };
     *
     * _.conformsTo(object, { 'b': function(n) { return n > 1; } });
     * // => true
     *
     * _.conformsTo(object, { 'b': function(n) { return n > 2; } });
     * // => false
     */
    function conformsTo(object, source) {
      return source == null || baseConformsTo(object, source, keys(source));
    }

    /**
     * Performs a
     * [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)
     * comparison between two values to determine if they are equivalent.
     *
     * @static
     * @memberOf _
     * @since 4.0.0
     * @category Lang
     * @param {*} value The value to compare.
     * @param {*} other The other value to compare.
     * @returns {boolean} Returns `true` if the values are equivalent, else `false`.
     * @example
     *
     * var object = { 'a': 1 };
     * var other = { 'a': 1 };
     *
     * _.eq(object, object);
     * // => true
     *
     * _.eq(object, other);
     * // => false
     *
     * _.eq('a', 'a');
     * // => true
     *
     * _.eq('a', Object('a'));
     * // => false
     *
     * _.eq(NaN, NaN);
     * // => true
     */
    function eq(value, other) {
      return value === other || (value !== value && other !== other);
    }

    /**
     * Checks if `value` is greater than `other`.
     *
     * @static
     * @memberOf _
     * @since 3.9.0
     * @category Lang
     * @param {*} value The value to compare.
     * @param {*} other The other value to compare.
     * @returns {boolean} Returns `true` if `value` is greater than `other`,
     *  else `false`.
     * @see _.lt
     * @example
     *
     * _.gt(3, 1);
     * // => true
     *
     * _.gt(3, 3);
     * // => false
     *
     * _.gt(1, 3);
     * // => false
     */
    var gt = createRelationalOperation(baseGt);

    /**
     * Checks if `value` is greater than or equal to `other`.
     *
     * @static
     * @memberOf _
     * @since 3.9.0
     * @category Lang
     * @param {*} value The value to compare.
     * @param {*} other The other value to compare.
     * @returns {boolean} Returns `true` if `value` is greater than or equal to
     *  `other`, else `false`.
     * @see _.lte
     * @example
     *
     * _.gte(3, 1);
     * // => true
     *
     * _.gte(3, 3);
     * // => true
     *
     * _.gte(1, 3);
     * // => false
     */
    var gte = createRelationalOperation(function(value, other) {
      return value >= other;
    });

    /**
     * Checks if `value` is likely an `arguments` object.
     *
     * @static
     * @memberOf _
     * @since 0.1.0
     * @category Lang
     * @param {*} value The value to check.
     * @returns {boolean} Returns `true` if `value` is an `arguments` object,
     *  else `false`.
     * @example
     *
     * _.isArguments(function() { return arguments; }());
     * // => true
     *
     * _.isArguments([1, 2, 3]);
     * // => false
     */
    var isArguments = baseIsArguments(function() { return arguments; }()) ? baseIsArguments : function(value) {
      return isObjectLike(value) && hasOwnProperty.call(value, 'callee') &&
        !propertyIsEnumerable.call(value, 'callee');
    };

    /**
     * Checks if `value` is classified as an `Array` object.
     *
     * @static
     * @memberOf _
     * @since 0.1.0
     * @category Lang
     * @param {*} value The value to check.
     * @returns {boolean} Returns `true` if `value` is an array, else `false`.
     * @example
     *
     * _.isArray([1, 2, 3]);
     * // => true
     *
     * _.isArray(document.body.children);
     * // => false
     *
     * _.isArray('abc');
     * // => false
     *
     * _.isArray(_.noop);
     * // => false
     */
    var isArray = Array.isArray;

    /**
     * Checks if `value` is classified as an `ArrayBuffer` object.
     *
     * @static
     * @memberOf _
     * @since 4.3.0
     * @category Lang
     * @param {*} value The value to check.
     * @returns {boolean} Returns `true` if `value` is an array buffer, else `false`.
     * @example
     *
     * _.isArrayBuffer(new ArrayBuffer(2));
     * // => true
     *
     * _.isArrayBuffer(new Array(2));
     * // => false
     */
    var isArrayBuffer = nodeIsArrayBuffer ? baseUnary(nodeIsArrayBuffer) : baseIsArrayBuffer;

    /**
     * Checks if `value` is array-like. A value is considered array-like if it's
     * not a function and has a `value.length` that's an integer greater than or
     * equal to `0` and less than or equal to `Number.MAX_SAFE_INTEGER`.
     *
     * @static
     * @memberOf _
     * @since 4.0.0
     * @category Lang
     * @param {*} value The value to check.
     * @returns {boolean} Returns `true` if `value` is array-like, else `false`.
     * @example
     *
     * _.isArrayLike([1, 2, 3]);
     * // => true
     *
     * _.isArrayLike(document.body.children);
     * // => true
     *
     * _.isArrayLike('abc');
     * // => true
     *
     * _.isArrayLike(_.noop);
     * // => false
     */
    function isArrayLike(value) {
      return value != null && isLength(value.length) && !isFunction(value);
    }

    /**
     * This method is like `_.isArrayLike` except that it also checks if `value`
     * is an object.
     *
     * @static
     * @memberOf _
     * @since 4.0.0
     * @category Lang
     * @param {*} value The value to check.
     * @returns {boolean} Returns `true` if `value` is an array-like object,
     *  else `false`.
     * @example
     *
     * _.isArrayLikeObject([1, 2, 3]);
     * // => true
     *
     * _.isArrayLikeObject(document.body.children);
     * // => true
     *
     * _.isArrayLikeObject('abc');
     * // => false
     *
     * _.isArrayLikeObject(_.noop);
     * // => false
     */
    function isArrayLikeObject(value) {
      return isObjectLike(value) && isArrayLike(value);
    }

    /**
     * Checks if `value` is classified as a boolean primitive or object.
     *
     * @static
     * @memberOf _
     * @since 0.1.0
     * @category Lang
     * @param {*} value The value to check.
     * @returns {boolean} Returns `true` if `value` is a boolean, else `false`.
     * @example
     *
     * _.isBoolean(false);
     * // => true
     *
     * _.isBoolean(null);
     * // => false
     */
    function isBoolean(value) {
      return value === true || value === false ||
        (isObjectLike(value) && baseGetTag(value) == boolTag);
    }

    /**
     * Checks if `value` is a buffer.
     *
     * @static
     * @memberOf _
     * @since 4.3.0
     * @category Lang
     * @param {*} value The value to check.
     * @returns {boolean} Returns `true` if `value` is a buffer, else `false`.
     * @example
     *
     * _.isBuffer(new Buffer(2));
     * // => true
     *
     * _.isBuffer(new Uint8Array(2));
     * // => false
     */
    var isBuffer = nativeIsBuffer || stubFalse;

    /**
     * Checks if `value` is classified as a `Date` object.
     *
     * @static
     * @memberOf _
     * @since 0.1.0
     * @category Lang
     * @param {*} value The value to check.
     * @returns {boolean} Returns `true` if `value` is a date object, else `false`.
     * @example
     *
     * _.isDate(new Date);
     * // => true
     *
     * _.isDate('Mon April 23 2012');
     * // => false
     */
    var isDate = nodeIsDate ? baseUnary(nodeIsDate) : baseIsDate;

    /**
     * Checks if `value` is likely a DOM element.
     *
     * @static
     * @memberOf _
     * @since 0.1.0
     * @category Lang
     * @param {*} value The value to check.
     * @returns {boolean} Returns `true` if `value` is a DOM element, else `false`.
     * @example
     *
     * _.isElement(document.body);
     * // => true
     *
     * _.isElement('<body>');
     * // => false
     */
    function isElement(value) {
      return isObjectLike(value) && value.nodeType === 1 && !isPlainObject(value);
    }

    /**
     * Checks if `value` is an empty object, collection, map, or set.
     *
     * Objects are considered empty if they have no own enumerable string keyed
     * properties.
     *
     * Array-like values such as `arguments` objects, arrays, buffers, strings, or
     * jQuery-like collections are considered empty if they have a `length` of `0`.
     * Similarly, maps and sets are considered empty if they have a `size` of `0`.
     *
     * @static
     * @memberOf _
     * @since 0.1.0
     * @category Lang
     * @param {*} value The value to check.
     * @returns {boolean} Returns `true` if `value` is empty, else `false`.
     * @example
     *
     * _.isEmpty(null);
     * // => true
     *
     * _.isEmpty(true);
     * // => true
     *
     * _.isEmpty(1);
     * // => true
     *
     * _.isEmpty([1, 2, 3]);
     * // => false
     *
     * _.isEmpty({ 'a': 1 });
     * // => false
     */
    function isEmpty(value) {
      if (value == null) {
        return true;
      }
      if (isArrayLike(value) &&
          (isArray(value) || typeof value == 'string' || typeof value.splice == 'function' ||
            isBuffer(value) || isTypedArray(value) || isArguments(value))) {
        return !value.length;
      }
      var tag = getTag(value);
      if (tag == mapTag || tag == setTag) {
        return !value.size;
      }
      if (isPrototype(value)) {
        return !baseKeys(value).length;
      }
      for (var key in value) {
        if (hasOwnProperty.call(value, key)) {
          return false;
        }
      }
      return true;
    }

    /**
     * Performs a deep comparison between two values to determine if they are
     * equivalent.
     *
     * **Note:** This method supports comparing arrays, array buffers, booleans,
     * date objects, error objects, maps, numbers, `Object` objects, regexes,
     * sets, strings, symbols, and typed arrays. `Object` objects are compared
     * by their own, not inherited, enumerable properties. Functions and DOM
     * nodes are compared by strict equality, i.e. `===`.
     *
     * @static
     * @memberOf _
     * @since 0.1.0
     * @category Lang
     * @param {*} value The value to compare.
     * @param {*} other The other value to compare.
     * @returns {boolean} Returns `true` if the values are equivalent, else `false`.
     * @example
     *
     * var object = { 'a': 1 };
     * var other = { 'a': 1 };
     *
     * _.isEqual(object, other);
     * // => true
     *
     * object === other;
     * // => false
     */
    function isEqual(value, other) {
      return baseIsEqual(value, other);
    }

    /**
     * This method is like `_.isEqual` except that it accepts `customizer` which
     * is invoked to compare values. If `customizer` returns `undefined`, comparisons
     * are handled by the method instead. The `customizer` is invoked with up to
     * six arguments: (objValue, othValue [, index|key, object, other, stack]).
     *
     * @static
     * @memberOf _
     * @since 4.0.0
     * @category Lang
     * @param {*} value The value to compare.
     * @param {*} other The other value to compare.
     * @param {Function} [customizer] The function to customize comparisons.
     * @returns {boolean} Returns `true` if the values are equivalent, else `false`.
     * @example
     *
     * function isGreeting(value) {
     *   return /^h(?:i|ello)$/.test(value);
     * }
     *
     * function customizer(objValue, othValue) {
     *   if (isGreeting(objValue) && isGreeting(othValue)) {
     *     return true;
     *   }
     * }
     *
     * var array = ['hello', 'goodbye'];
     * var other = ['hi', 'goodbye'];
     *
     * _.isEqualWith(array, other, customizer);
     * // => true
     */
    function isEqualWith(value, other, customizer) {
      customizer = typeof customizer == 'function' ? customizer : undefined;
      var result = customizer ? customizer(value, other) : undefined;
      return result === undefined ? baseIsEqual(value, other, undefined, customizer) : !!result;
    }

    /**
     * Checks if `value` is an `Error`, `EvalError`, `RangeError`, `ReferenceError`,
     * `SyntaxError`, `TypeError`, or `URIError` object.
     *
     * @static
     * @memberOf _
     * @since 3.0.0
     * @category Lang
     * @param {*} value The value to check.
     * @returns {boolean} Returns `true` if `value` is an error object, else `false`.
     * @example
     *
     * _.isError(new Error);
     * // => true
     *
     * _.isError(Error);
     * // => false
     */
    function isError(value) {
      if (!isObjectLike(value)) {
        return false;
      }
      var tag = baseGetTag(value);
      return tag == errorTag || tag == domExcTag ||
        (typeof value.message == 'string' && typeof value.name == 'string' && !isPlainObject(value));
    }

    /**
     * Checks if `value` is a finite primitive number.
     *
     * **Note:** This method is based on
     * [`Number.isFinite`](https://mdn.io/Number/isFinite).
     *
     * @static
     * @memberOf _
     * @since 0.1.0
     * @category Lang
     * @param {*} value The value to check.
     * @returns {boolean} Returns `true` if `value` is a finite number, else `false`.
     * @example
     *
     * _.isFinite(3);
     * // => true
     *
     * _.isFinite(Number.MIN_VALUE);
     * // => true
     *
     * _.isFinite(Infinity);
     * // => false
     *
     * _.isFinite('3');
     * // => false
     */
    function isFinite(value) {
      return typeof value == 'number' && nativeIsFinite(value);
    }

    /**
     * Checks if `value` is classified as a `Function` object.
     *
     * @static
     * @memberOf _
     * @since 0.1.0
     * @category Lang
     * @param {*} value The value to check.
     * @returns {boolean} Returns `true` if `value` is a function, else `false`.
     * @example
     *
     * _.isFunction(_);
     * // => true
     *
     * _.isFunction(/abc/);
     * // => false
     */
    function isFunction(value) {
      if (!isObject(value)) {
        return false;
      }
      // The use of `Object#toString` avoids issues with the `typeof` operator
      // in Safari 9 which returns 'object' for typed arrays and other constructors.
      var tag = baseGetTag(value);
      return tag == funcTag || tag == genTag || tag == asyncTag || tag == proxyTag;
    }

    /**
     * Checks if `value` is an integer.
     *
     * **Note:** This method is based on
     * [`Number.isInteger`](https://mdn.io/Number/isInteger).
     *
     * @static
     * @memberOf _
     * @since 4.0.0
     * @category Lang
     * @param {*} value The value to check.
     * @returns {boolean} Returns `true` if `value` is an integer, else `false`.
     * @example
     *
     * _.isInteger(3);
     * // => true
     *
     * _.isInteger(Number.MIN_VALUE);
     * // => false
     *
     * _.isInteger(Infinity);
     * // => false
     *
     * _.isInteger('3');
     * // => false
     */
    function isInteger(value) {
      return typeof value == 'number' && value == toInteger(value);
    }

    /**
     * Checks if `value` is a valid array-like length.
     *
     * **Note:** This method is loosely based on
     * [`ToLength`](http://ecma-international.org/ecma-262/7.0/#sec-tolength).
     *
     * @static
     * @memberOf _
     * @since 4.0.0
     * @category Lang
     * @param {*} value The value to check.
     * @returns {boolean} Returns `true` if `value` is a valid length, else `false`.
     * @example
     *
     * _.isLength(3);
     * // => true
     *
     * _.isLength(Number.MIN_VALUE);
     * // => false
     *
     * _.isLength(Infinity);
     * // => false
     *
     * _.isLength('3');
     * // => false
     */
    function isLength(value) {
      return typeof value == 'number' &&
        value > -1 && value % 1 == 0 && value <= MAX_SAFE_INTEGER;
    }

    /**
     * Checks if `value` is the
     * [language type](http://www.ecma-international.org/ecma-262/7.0/#sec-ecmascript-language-types)
     * of `Object`. (e.g. arrays, functions, objects, regexes, `new Number(0)`, and `new String('')`)
     *
     * @static
     * @memberOf _
     * @since 0.1.0
     * @category Lang
     * @param {*} value The value to check.
     * @returns {boolean} Returns `true` if `value` is an object, else `false`.
     * @example
     *
     * _.isObject({});
     * // => true
     *
     * _.isObject([1, 2, 3]);
     * // => true
     *
     * _.isObject(_.noop);
     * // => true
     *
     * _.isObject(null);
     * // => false
     */
    function isObject(value) {
      var type = typeof value;
      return value != null && (type == 'object' || type == 'function');
    }

    /**
     * Checks if `value` is object-like. A value is object-like if it's not `null`
     * and has a `typeof` result of "object".
     *
     * @static
     * @memberOf _
     * @since 4.0.0
     * @category Lang
     * @param {*} value The value to check.
     * @returns {boolean} Returns `true` if `value` is object-like, else `false`.
     * @example
     *
     * _.isObjectLike({});
     * // => true
     *
     * _.isObjectLike([1, 2, 3]);
     * // => true
     *
     * _.isObjectLike(_.noop);
     * // => false
     *
     * _.isObjectLike(null);
     * // => false
     */
    function isObjectLike(value) {
      return value != null && typeof value == 'object';
    }

    /**
     * Checks if `value` is classified as a `Map` object.
     *
     * @static
     * @memberOf _
     * @since 4.3.0
     * @category Lang
     * @param {*} value The value to check.
     * @returns {boolean} Returns `true` if `value` is a map, else `false`.
     * @example
     *
     * _.isMap(new Map);
     * // => true
     *
     * _.isMap(new WeakMap);
     * // => false
     */
    var isMap = nodeIsMap ? baseUnary(nodeIsMap) : baseIsMap;

    /**
     * Performs a partial deep comparison between `object` and `source` to
     * determine if `object` contains equivalent property values.
     *
     * **Note:** This method is equivalent to `_.matches` when `source` is
     * partially applied.
     *
     * Partial comparisons will match empty array and empty object `source`
     * values against any array or object value, respectively. See `_.isEqual`
     * for a list of supported value comparisons.
     *
     * @static
     * @memberOf _
     * @since 3.0.0
     * @category Lang
     * @param {Object} object The object to inspect.
     * @param {Object} source The object of property values to match.
     * @returns {boolean} Returns `true` if `object` is a match, else `false`.
     * @example
     *
     * var object = { 'a': 1, 'b': 2 };
     *
     * _.isMatch(object, { 'b': 2 });
     * // => true
     *
     * _.isMatch(object, { 'b': 1 });
     * // => false
     */
    function isMatch(object, source) {
      return object === source || baseIsMatch(object, source, getMatchData(source));
    }

    /**
     * This method is like `_.isMatch` except that it accepts `customizer` which
     * is invoked to compare values. If `customizer` returns `undefined`, comparisons
     * are handled by the method instead. The `customizer` is invoked with five
     * arguments: (objValue, srcValue, index|key, object, source).
     *
     * @static
     * @memberOf _
     * @since 4.0.0
     * @category Lang
     * @param {Object} object The object to inspect.
     * @param {Object} source The object of property values to match.
     * @param {Function} [customizer] The function to customize comparisons.
     * @returns {boolean} Returns `true` if `object` is a match, else `false`.
     * @example
     *
     * function isGreeting(value) {
     *   return /^h(?:i|ello)$/.test(value);
     * }
     *
     * function customizer(objValue, srcValue) {
     *   if (isGreeting(objValue) && isGreeting(srcValue)) {
     *     return true;
     *   }
     * }
     *
     * var object = { 'greeting': 'hello' };
     * var source = { 'greeting': 'hi' };
     *
     * _.isMatchWith(object, source, customizer);
     * // => true
     */
    function isMatchWith(object, source, customizer) {
      customizer = typeof customizer == 'function' ? customizer : undefined;
      return baseIsMatch(object, source, getMatchData(source), customizer);
    }

    /**
     * Checks if `value` is `NaN`.
     *
     * **Note:** This method is based on
     * [`Number.isNaN`](https://mdn.io/Number/isNaN) and is not the same as
     * global [`isNaN`](https://mdn.io/isNaN) which returns `true` for
     * `undefined` and other non-number values.
     *
     * @static
     * @memberOf _
     * @since 0.1.0
     * @category Lang
     * @param {*} value The value to check.
     * @returns {boolean} Returns `true` if `value` is `NaN`, else `false`.
     * @example
     *
     * _.isNaN(NaN);
     * // => true
     *
     * _.isNaN(new Number(NaN));
     * // => true
     *
     * isNaN(undefined);
     * // => true
     *
     * _.isNaN(undefined);
     * // => false
     */
    function isNaN(value) {
      // An `NaN` primitive is the only value that is not equal to itself.
      // Perform the `toStringTag` check first to avoid errors with some
      // ActiveX objects in IE.
      return isNumber(value) && value != +value;
    }

    /**
     * Checks if `value` is a pristine native function.
     *
     * **Note:** This method can't reliably detect native functions in the presence
     * of the core-js package because core-js circumvents this kind of detection.
     * Despite multiple requests, the core-js maintainer has made it clear: any
     * attempt to fix the detection will be obstructed. As a result, we're left
     * with little choice but to throw an error. Unfortunately, this also affects
     * packages, like [babel-polyfill](https://www.npmjs.com/package/babel-polyfill),
     * which rely on core-js.
     *
     * @static
     * @memberOf _
     * @since 3.0.0
     * @category Lang
     * @param {*} value The value to check.
     * @returns {boolean} Returns `true` if `value` is a native function,
     *  else `false`.
     * @example
     *
     * _.isNative(Array.prototype.push);
     * // => true
     *
     * _.isNative(_);
     * // => false
     */
    function isNative(value) {
      if (isMaskable(value)) {
        throw new Error(CORE_ERROR_TEXT);
      }
      return baseIsNative(value);
    }

    /**
     * Checks if `value` is `null`.
     *
     * @static
     * @memberOf _
     * @since 0.1.0
     * @category Lang
     * @param {*} value The value to check.
     * @returns {boolean} Returns `true` if `value` is `null`, else `false`.
     * @example
     *
     * _.isNull(null);
     * // => true
     *
     * _.isNull(void 0);
     * // => false
     */
    function isNull(value) {
      return value === null;
    }

    /**
     * Checks if `value` is `null` or `undefined`.
     *
     * @static
     * @memberOf _
     * @since 4.0.0
     * @category Lang
     * @param {*} value The value to check.
     * @returns {boolean} Returns `true` if `value` is nullish, else `false`.
     * @example
     *
     * _.isNil(null);
     * // => true
     *
     * _.isNil(void 0);
     * // => true
     *
     * _.isNil(NaN);
     * // => false
     */
    function isNil(value) {
      return value == null;
    }

    /**
     * Checks if `value` is classified as a `Number` primitive or object.
     *
     * **Note:** To exclude `Infinity`, `-Infinity`, and `NaN`, which are
     * classified as numbers, use the `_.isFinite` method.
     *
     * @static
     * @memberOf _
     * @since 0.1.0
     * @category Lang
     * @param {*} value The value to check.
     * @returns {boolean} Returns `true` if `value` is a number, else `false`.
     * @example
     *
     * _.isNumber(3);
     * // => true
     *
     * _.isNumber(Number.MIN_VALUE);
     * // => true
     *
     * _.isNumber(Infinity);
     * // => true
     *
     * _.isNumber('3');
     * // => false
     */
    function isNumber(value) {
      return typeof value == 'number' ||
        (isObjectLike(value) && baseGetTag(value) == numberTag);
    }

    /**
     * Checks if `value` is a plain object, that is, an object created by the
     * `Object` constructor or one with a `[[Prototype]]` of `null`.
     *
     * @static
     * @memberOf _
     * @since 0.8.0
     * @category Lang
     * @param {*} value The value to check.
     * @returns {boolean} Returns `true` if `value` is a plain object, else `false`.
     * @example
     *
     * function Foo() {
     *   this.a = 1;
     * }
     *
     * _.isPlainObject(new Foo);
     * // => false
     *
     * _.isPlainObject([1, 2, 3]);
     * // => false
     *
     * _.isPlainObject({ 'x': 0, 'y': 0 });
     * // => true
     *
     * _.isPlainObject(Object.create(null));
     * // => true
     */
    function isPlainObject(value) {
      if (!isObjectLike(value) || baseGetTag(value) != objectTag) {
        return false;
      }
      var proto = getPrototype(value);
      if (proto === null) {
        return true;
      }
      var Ctor = hasOwnProperty.call(proto, 'constructor') && proto.constructor;
      return typeof Ctor == 'function' && Ctor instanceof Ctor &&
        funcToString.call(Ctor) == objectCtorString;
    }

    /**
     * Checks if `value` is classified as a `RegExp` object.
     *
     * @static
     * @memberOf _
     * @since 0.1.0
     * @category Lang
     * @param {*} value The value to check.
     * @returns {boolean} Returns `true` if `value` is a regexp, else `false`.
     * @example
     *
     * _.isRegExp(/abc/);
     * // => true
     *
     * _.isRegExp('/abc/');
     * // => false
     */
    var isRegExp = nodeIsRegExp ? baseUnary(nodeIsRegExp) : baseIsRegExp;

    /**
     * Checks if `value` is a safe integer. An integer is safe if it's an IEEE-754
     * double precision number which isn't the result of a rounded unsafe integer.
     *
     * **Note:** This method is based on
     * [`Number.isSafeInteger`](https://mdn.io/Number/isSafeInteger).
     *
     * @static
     * @memberOf _
     * @since 4.0.0
     * @category Lang
     * @param {*} value The value to check.
     * @returns {boolean} Returns `true` if `value` is a safe integer, else `false`.
     * @example
     *
     * _.isSafeInteger(3);
     * // => true
     *
     * _.isSafeInteger(Number.MIN_VALUE);
     * // => false
     *
     * _.isSafeInteger(Infinity);
     * // => false
     *
     * _.isSafeInteger('3');
     * // => false
     */
    function isSafeInteger(value) {
      return isInteger(value) && value >= -MAX_SAFE_INTEGER && value <= MAX_SAFE_INTEGER;
    }

    /**
     * Checks if `value` is classified as a `Set` object.
     *
     * @static
     * @memberOf _
     * @since 4.3.0
     * @category Lang
     * @param {*} value The value to check.
     * @returns {boolean} Returns `true` if `value` is a set, else `false`.
     * @example
     *
     * _.isSet(new Set);
     * // => true
     *
     * _.isSet(new WeakSet);
     * // => false
     */
    var isSet = nodeIsSet ? baseUnary(nodeIsSet) : baseIsSet;

    /**
     * Checks if `value` is classified as a `String` primitive or object.
     *
     * @static
     * @since 0.1.0
     * @memberOf _
     * @category Lang
     * @param {*} value The value to check.
     * @returns {boolean} Returns `true` if `value` is a string, else `false`.
     * @example
     *
     * _.isString('abc');
     * // => true
     *
     * _.isString(1);
     * // => false
     */
    function isString(value) {
      return typeof value == 'string' ||
        (!isArray(value) && isObjectLike(value) && baseGetTag(value) == stringTag);
    }

    /**
     * Checks if `value` is classified as a `Symbol` primitive or object.
     *
     * @static
     * @memberOf _
     * @since 4.0.0
     * @category Lang
     * @param {*} value The value to check.
     * @returns {boolean} Returns `true` if `value` is a symbol, else `false`.
     * @example
     *
     * _.isSymbol(Symbol.iterator);
     * // => true
     *
     * _.isSymbol('abc');
     * // => false
     */
    function isSymbol(value) {
      return typeof value == 'symbol' ||
        (isObjectLike(value) && baseGetTag(value) == symbolTag);
    }

    /**
     * Checks if `value` is classified as a typed array.
     *
     * @static
     * @memberOf _
     * @since 3.0.0
     * @category Lang
     * @param {*} value The value to check.
     * @returns {boolean} Returns `true` if `value` is a typed array, else `false`.
     * @example
     *
     * _.isTypedArray(new Uint8Array);
     * // => true
     *
     * _.isTypedArray([]);
     * // => false
     */
    var isTypedArray = nodeIsTypedArray ? baseUnary(nodeIsTypedArray) : baseIsTypedArray;

    /**
     * Checks if `value` is `undefined`.
     *
     * @static
     * @since 0.1.0
     * @memberOf _
     * @category Lang
     * @param {*} value The value to check.
     * @returns {boolean} Returns `true` if `value` is `undefined`, else `false`.
     * @example
     *
     * _.isUndefined(void 0);
     * // => true
     *
     * _.isUndefined(null);
     * // => false
     */
    function isUndefined(value) {
      return value === undefined;
    }

    /**
     * Checks if `value` is classified as a `WeakMap` object.
     *
     * @static
     * @memberOf _
     * @since 4.3.0
     * @category Lang
     * @param {*} value The value to check.
     * @returns {boolean} Returns `true` if `value` is a weak map, else `false`.
     * @example
     *
     * _.isWeakMap(new WeakMap);
     * // => true
     *
     * _.isWeakMap(new Map);
     * // => false
     */
    function isWeakMap(value) {
      return isObjectLike(value) && getTag(value) == weakMapTag;
    }

    /**
     * Checks if `value` is classified as a `WeakSet` object.
     *
     * @static
     * @memberOf _
     * @since 4.3.0
     * @category Lang
     * @param {*} value The value to check.
     * @returns {boolean} Returns `true` if `value` is a weak set, else `false`.
     * @example
     *
     * _.isWeakSet(new WeakSet);
     * // => true
     *
     * _.isWeakSet(new Set);
     * // => false
     */
    function isWeakSet(value) {
      return isObjectLike(value) && baseGetTag(value) == weakSetTag;
    }

    /**
     * Checks if `value` is less than `other`.
     *
     * @static
     * @memberOf _
     * @since 3.9.0
     * @category Lang
     * @param {*} value The value to compare.
     * @param {*} other The other value to compare.
     * @returns {boolean} Returns `true` if `value` is less than `other`,
     *  else `false`.
     * @see _.gt
     * @example
     *
     * _.lt(1, 3);
     * // => true
     *
     * _.lt(3, 3);
     * // => false
     *
     * _.lt(3, 1);
     * // => false
     */
    var lt = createRelationalOperation(baseLt);

    /**
     * Checks if `value` is less than or equal to `other`.
     *
     * @static
     * @memberOf _
     * @since 3.9.0
     * @category Lang
     * @param {*} value The value to compare.
     * @param {*} other The other value to compare.
     * @returns {boolean} Returns `true` if `value` is less than or equal to
     *  `other`, else `false`.
     * @see _.gte
     * @example
     *
     * _.lte(1, 3);
     * // => true
     *
     * _.lte(3, 3);
     * // => true
     *
     * _.lte(3, 1);
     * // => false
     */
    var lte = createRelationalOperation(function(value, other) {
      return value <= other;
    });

    /**
     * Converts `value` to an array.
     *
     * @static
     * @since 0.1.0
     * @memberOf _
     * @category Lang
     * @param {*} value The value to convert.
     * @returns {Array} Returns the converted array.
     * @example
     *
     * _.toArray({ 'a': 1, 'b': 2 });
     * // => [1, 2]
     *
     * _.toArray('abc');
     * // => ['a', 'b', 'c']
     *
     * _.toArray(1);
     * // => []
     *
     * _.toArray(null);
     * // => []
     */
    function toArray(value) {
      if (!value) {
        return [];
      }
      if (isArrayLike(value)) {
        return isString(value) ? stringToArray(value) : copyArray(value);
      }
      if (symIterator && value[symIterator]) {
        return iteratorToArray(value[symIterator]());
      }
      var tag = getTag(value),
          func = tag == mapTag ? mapToArray : (tag == setTag ? setToArray : values);

      return func(value);
    }

    /**
     * Converts `value` to a finite number.
     *
     * @static
     * @memberOf _
     * @since 4.12.0
     * @category Lang
     * @param {*} value The value to convert.
     * @returns {number} Returns the converted number.
     * @example
     *
     * _.toFinite(3.2);
     * // => 3.2
     *
     * _.toFinite(Number.MIN_VALUE);
     * // => 5e-324
     *
     * _.toFinite(Infinity);
     * // => 1.7976931348623157e+308
     *
     * _.toFinite('3.2');
     * // => 3.2
     */
    function toFinite(value) {
      if (!value) {
        return value === 0 ? value : 0;
      }
      value = toNumber(value);
      if (value === INFINITY || value === -INFINITY) {
        var sign = (value < 0 ? -1 : 1);
        return sign * MAX_INTEGER;
      }
      return value === value ? value : 0;
    }

    /**
     * Converts `value` to an integer.
     *
     * **Note:** This method is loosely based on
     * [`ToInteger`](http://www.ecma-international.org/ecma-262/7.0/#sec-tointeger).
     *
     * @static
     * @memberOf _
     * @since 4.0.0
     * @category Lang
     * @param {*} value The value to convert.
     * @returns {number} Returns the converted integer.
     * @example
     *
     * _.toInteger(3.2);
     * // => 3
     *
     * _.toInteger(Number.MIN_VALUE);
     * // => 0
     *
     * _.toInteger(Infinity);
     * // => 1.7976931348623157e+308
     *
     * _.toInteger('3.2');
     * // => 3
     */
    function toInteger(value) {
      var result = toFinite(value),
          remainder = result % 1;

      return result === result ? (remainder ? result - remainder : result) : 0;
    }

    /**
     * Converts `value` to an integer suitable for use as the length of an
     * array-like object.
     *
     * **Note:** This method is based on
     * [`ToLength`](http://ecma-international.org/ecma-262/7.0/#sec-tolength).
     *
     * @static
     * @memberOf _
     * @since 4.0.0
     * @category Lang
     * @param {*} value The value to convert.
     * @returns {number} Returns the converted integer.
     * @example
     *
     * _.toLength(3.2);
     * // => 3
     *
     * _.toLength(Number.MIN_VALUE);
     * // => 0
     *
     * _.toLength(Infinity);
     * // => 4294967295
     *
     * _.toLength('3.2');
     * // => 3
     */
    function toLength(value) {
      return value ? baseClamp(toInteger(value), 0, MAX_ARRAY_LENGTH) : 0;
    }

    /**
     * Converts `value` to a number.
     *
     * @static
     * @memberOf _
     * @since 4.0.0
     * @category Lang
     * @param {*} value The value to process.
     * @returns {number} Returns the number.
     * @example
     *
     * _.toNumber(3.2);
     * // => 3.2
     *
     * _.toNumber(Number.MIN_VALUE);
     * // => 5e-324
     *
     * _.toNumber(Infinity);
     * // => Infinity
     *
     * _.toNumber('3.2');
     * // => 3.2
     */
    function toNumber(value) {
      if (typeof value == 'number') {
        return value;
      }
      if (isSymbol(value)) {
        return NAN;
      }
      if (isObject(value)) {
        var other = typeof value.valueOf == 'function' ? value.valueOf() : value;
        value = isObject(other) ? (other + '') : other;
      }
      if (typeof value != 'string') {
        return value === 0 ? value : +value;
      }
      value = baseTrim(value);
      var isBinary = reIsBinary.test(value);
      return (isBinary || reIsOctal.test(value))
        ? freeParseInt(value.slice(2), isBinary ? 2 : 8)
        : (reIsBadHex.test(value) ? NAN : +value);
    }

    /**
     * Converts `value` to a plain object flattening inherited enumerable string
     * keyed properties of `value` to own properties of the plain object.
     *
     * @static
     * @memberOf _
     * @since 3.0.0
     * @category Lang
     * @param {*} value The value to convert.
     * @returns {Object} Returns the converted plain object.
     * @example
     *
     * function Foo() {
     *   this.b = 2;
     * }
     *
     * Foo.prototype.c = 3;
     *
     * _.assign({ 'a': 1 }, new Foo);
     * // => { 'a': 1, 'b': 2 }
     *
     * _.assign({ 'a': 1 }, _.toPlainObject(new Foo));
     * // => { 'a': 1, 'b': 2, 'c': 3 }
     */
    function toPlainObject(value) {
      return copyObject(value, keysIn(value));
    }

    /**
     * Converts `value` to a safe integer. A safe integer can be compared and
     * represented correctly.
     *
     * @static
     * @memberOf _
     * @since 4.0.0
     * @category Lang
     * @param {*} value The value to convert.
     * @returns {number} Returns the converted integer.
     * @example
     *
     * _.toSafeInteger(3.2);
     * // => 3
     *
     * _.toSafeInteger(Number.MIN_VALUE);
     * // => 0
     *
     * _.toSafeInteger(Infinity);
     * // => 9007199254740991
     *
     * _.toSafeInteger('3.2');
     * // => 3
     */
    function toSafeInteger(value) {
      return value
        ? baseClamp(toInteger(value), -MAX_SAFE_INTEGER, MAX_SAFE_INTEGER)
        : (value === 0 ? value : 0);
    }

    /**
     * Converts `value` to a string. An empty string is returned for `null`
     * and `undefined` values. The sign of `-0` is preserved.
     *
     * @static
     * @memberOf _
     * @since 4.0.0
     * @category Lang
     * @param {*} value The value to convert.
     * @returns {string} Returns the converted string.
     * @example
     *
     * _.toString(null);
     * // => ''
     *
     * _.toString(-0);
     * // => '-0'
     *
     * _.toString([1, 2, 3]);
     * // => '1,2,3'
     */
    function toString(value) {
      return value == null ? '' : baseToString(value);
    }

    /*------------------------------------------------------------------------*/

    /**
     * Assigns own enumerable string keyed properties of source objects to the
     * destination object. Source objects are applied from left to right.
     * Subsequent sources overwrite property assignments of previous sources.
     *
     * **Note:** This method mutates `object` and is loosely based on
     * [`Object.assign`](https://mdn.io/Object/assign).
     *
     * @static
     * @memberOf _
     * @since 0.10.0
     * @category Object
     * @param {Object} object The destination object.
     * @param {...Object} [sources] The source objects.
     * @returns {Object} Returns `object`.
     * @see _.assignIn
     * @example
     *
     * function Foo() {
     *   this.a = 1;
     * }
     *
     * function Bar() {
     *   this.c = 3;
     * }
     *
     * Foo.prototype.b = 2;
     * Bar.prototype.d = 4;
     *
     * _.assign({ 'a': 0 }, new Foo, new Bar);
     * // => { 'a': 1, 'c': 3 }
     */
    var assign = createAssigner(function(object, source) {
      if (isPrototype(source) || isArrayLike(source)) {
        copyObject(source, keys(source), object);
        return;
      }
      for (var key in source) {
        if (hasOwnProperty.call(source, key)) {
          assignValue(object, key, source[key]);
        }
      }
    });

    /**
     * This method is like `_.assign` except that it iterates over own and
     * inherited source properties.
     *
     * **Note:** This method mutates `object`.
     *
     * @static
     * @memberOf _
     * @since 4.0.0
     * @alias extend
     * @category Object
     * @param {Object} object The destination object.
     * @param {...Object} [sources] The source objects.
     * @returns {Object} Returns `object`.
     * @see _.assign
     * @example
     *
     * function Foo() {
     *   this.a = 1;
     * }
     *
     * function Bar() {
     *   this.c = 3;
     * }
     *
     * Foo.prototype.b = 2;
     * Bar.prototype.d = 4;
     *
     * _.assignIn({ 'a': 0 }, new Foo, new Bar);
     * // => { 'a': 1, 'b': 2, 'c': 3, 'd': 4 }
     */
    var assignIn = createAssigner(function(object, source) {
      copyObject(source, keysIn(source), object);
    });

    /**
     * This method is like `_.assignIn` except that it accepts `customizer`
     * which is invoked to produce the assigned values. If `customizer` returns
     * `undefined`, assignment is handled by the method instead. The `customizer`
     * is invoked with five arguments: (objValue, srcValue, key, object, source).
     *
     * **Note:** This method mutates `object`.
     *
     * @static
     * @memberOf _
     * @since 4.0.0
     * @alias extendWith
     * @category Object
     * @param {Object} object The destination object.
     * @param {...Object} sources The source objects.
     * @param {Function} [customizer] The function to customize assigned values.
     * @returns {Object} Returns `object`.
     * @see _.assignWith
     * @example
     *
     * function customizer(objValue, srcValue) {
     *   return _.isUndefined(objValue) ? srcValue : objValue;
     * }
     *
     * var defaults = _.partialRight(_.assignInWith, customizer);
     *
     * defaults({ 'a': 1 }, { 'b': 2 }, { 'a': 3 });
     * // => { 'a': 1, 'b': 2 }
     */
    var assignInWith = createAssigner(function(object, source, srcIndex, customizer) {
      copyObject(source, keysIn(source), object, customizer);
    });

    /**
     * This method is like `_.assign` except that it accepts `customizer`
     * which is invoked to produce the assigned values. If `customizer` returns
     * `undefined`, assignment is handled by the method instead. The `customizer`
     * is invoked with five arguments: (objValue, srcValue, key, object, source).
     *
     * **Note:** This method mutates `object`.
     *
     * @static
     * @memberOf _
     * @since 4.0.0
     * @category Object
     * @param {Object} object The destination object.
     * @param {...Object} sources The source objects.
     * @param {Function} [customizer] The function to customize assigned values.
     * @returns {Object} Returns `object`.
     * @see _.assignInWith
     * @example
     *
     * function customizer(objValue, srcValue) {
     *   return _.isUndefined(objValue) ? srcValue : objValue;
     * }
     *
     * var defaults = _.partialRight(_.assignWith, customizer);
     *
     * defaults({ 'a': 1 }, { 'b': 2 }, { 'a': 3 });
     * // => { 'a': 1, 'b': 2 }
     */
    var assignWith = createAssigner(function(object, source, srcIndex, customizer) {
      copyObject(source, keys(source), object, customizer);
    });

    /**
     * Creates an array of values corresponding to `paths` of `object`.
     *
     * @static
     * @memberOf _
     * @since 1.0.0
     * @category Object
     * @param {Object} object The object to iterate over.
     * @param {...(string|string[])} [paths] The property paths to pick.
     * @returns {Array} Returns the picked values.
     * @example
     *
     * var object = { 'a': [{ 'b': { 'c': 3 } }, 4] };
     *
     * _.at(object, ['a[0].b.c', 'a[1]']);
     * // => [3, 4]
     */
    var at = flatRest(baseAt);

    /**
     * Creates an object that inherits from the `prototype` object. If a
     * `properties` object is given, its own enumerable string keyed properties
     * are assigned to the created object.
     *
     * @static
     * @memberOf _
     * @since 2.3.0
     * @category Object
     * @param {Object} prototype The object to inherit from.
     * @param {Object} [properties] The properties to assign to the object.
     * @returns {Object} Returns the new object.
     * @example
     *
     * function Shape() {
     *   this.x = 0;
     *   this.y = 0;
     * }
     *
     * function Circle() {
     *   Shape.call(this);
     * }
     *
     * Circle.prototype = _.create(Shape.prototype, {
     *   'constructor': Circle
     * });
     *
     * var circle = new Circle;
     * circle instanceof Circle;
     * // => true
     *
     * circle instanceof Shape;
     * // => true
     */
    function create(prototype, properties) {
      var result = baseCreate(prototype);
      return properties == null ? result : baseAssign(result, properties);
    }

    /**
     * Assigns own and inherited enumerable string keyed properties of source
     * objects to the destination object for all destination properties that
     * resolve to `undefined`. Source objects are applied from left to right.
     * Once a property is set, additional values of the same property are ignored.
     *
     * **Note:** This method mutates `object`.
     *
     * @static
     * @since 0.1.0
     * @memberOf _
     * @category Object
     * @param {Object} object The destination object.
     * @param {...Object} [sources] The source objects.
     * @returns {Object} Returns `object`.
     * @see _.defaultsDeep
     * @example
     *
     * _.defaults({ 'a': 1 }, { 'b': 2 }, { 'a': 3 });
     * // => { 'a': 1, 'b': 2 }
     */
    var defaults = baseRest(function(object, sources) {
      object = Object(object);

      var index = -1;
      var length = sources.length;
      var guard = length > 2 ? sources[2] : undefined;

      if (guard && isIterateeCall(sources[0], sources[1], guard)) {
        length = 1;
      }

      while (++index < length) {
        var source = sources[index];
        var props = keysIn(source);
        var propsIndex = -1;
        var propsLength = props.length;

        while (++propsIndex < propsLength) {
          var key = props[propsIndex];
          var value = object[key];

          if (value === undefined ||
              (eq(value, objectProto[key]) && !hasOwnProperty.call(object, key))) {
            object[key] = source[key];
          }
        }
      }

      return object;
    });

    /**
     * This method is like `_.defaults` except that it recursively assigns
     * default properties.
     *
     * **Note:** This method mutates `object`.
     *
     * @static
     * @memberOf _
     * @since 3.10.0
     * @category Object
     * @param {Object} object The destination object.
     * @param {...Object} [sources] The source objects.
     * @returns {Object} Returns `object`.
     * @see _.defaults
     * @example
     *
     * _.defaultsDeep({ 'a': { 'b': 2 } }, { 'a': { 'b': 1, 'c': 3 } });
     * // => { 'a': { 'b': 2, 'c': 3 } }
     */
    var defaultsDeep = baseRest(function(args) {
      args.push(undefined, customDefaultsMerge);
      return apply(mergeWith, undefined, args);
    });

    /**
     * This method is like `_.find` except that it returns the key of the first
     * element `predicate` returns truthy for instead of the element itself.
     *
     * @static
     * @memberOf _
     * @since 1.1.0
     * @category Object
     * @param {Object} object The object to inspect.
     * @param {Function} [predicate=_.identity] The function invoked per iteration.
     * @returns {string|undefined} Returns the key of the matched element,
     *  else `undefined`.
     * @example
     *
     * var users = {
     *   'barney':  { 'age': 36, 'active': true },
     *   'fred':    { 'age': 40, 'active': false },
     *   'pebbles': { 'age': 1,  'active': true }
     * };
     *
     * _.findKey(users, function(o) { return o.age < 40; });
     * // => 'barney' (iteration order is not guaranteed)
     *
     * // The `_.matches` iteratee shorthand.
     * _.findKey(users, { 'age': 1, 'active': true });
     * // => 'pebbles'
     *
     * // The `_.matchesProperty` iteratee shorthand.
     * _.findKey(users, ['active', false]);
     * // => 'fred'
     *
     * // The `_.property` iteratee shorthand.
     * _.findKey(users, 'active');
     * // => 'barney'
     */
    function findKey(object, predicate) {
      return baseFindKey(object, getIteratee(predicate, 3), baseForOwn);
    }

    /**
     * This method is like `_.findKey` except that it iterates over elements of
     * a collection in the opposite order.
     *
     * @static
     * @memberOf _
     * @since 2.0.0
     * @category Object
     * @param {Object} object The object to inspect.
     * @param {Function} [predicate=_.identity] The function invoked per iteration.
     * @returns {string|undefined} Returns the key of the matched element,
     *  else `undefined`.
     * @example
     *
     * var users = {
     *   'barney':  { 'age': 36, 'active': true },
     *   'fred':    { 'age': 40, 'active': false },
     *   'pebbles': { 'age': 1,  'active': true }
     * };
     *
     * _.findLastKey(users, function(o) { return o.age < 40; });
     * // => returns 'pebbles' assuming `_.findKey` returns 'barney'
     *
     * // The `_.matches` iteratee shorthand.
     * _.findLastKey(users, { 'age': 36, 'active': true });
     * // => 'barney'
     *
     * // The `_.matchesProperty` iteratee shorthand.
     * _.findLastKey(users, ['active', false]);
     * // => 'fred'
     *
     * // The `_.property` iteratee shorthand.
     * _.findLastKey(users, 'active');
     * // => 'pebbles'
     */
    function findLastKey(object, predicate) {
      return baseFindKey(object, getIteratee(predicate, 3), baseForOwnRight);
    }

    /**
     * Iterates over own and inherited enumerable string keyed properties of an
     * object and invokes `iteratee` for each property. The iteratee is invoked
     * with three arguments: (value, key, object). Iteratee functions may exit
     * iteration early by explicitly returning `false`.
     *
     * @static
     * @memberOf _
     * @since 0.3.0
     * @category Object
     * @param {Object} object The object to iterate over.
     * @param {Function} [iteratee=_.identity] The function invoked per iteration.
     * @returns {Object} Returns `object`.
     * @see _.forInRight
     * @example
     *
     * function Foo() {
     *   this.a = 1;
     *   this.b = 2;
     * }
     *
     * Foo.prototype.c = 3;
     *
     * _.forIn(new Foo, function(value, key) {
     *   console.log(key);
     * });
     * // => Logs 'a', 'b', then 'c' (iteration order is not guaranteed).
     */
    function forIn(object, iteratee) {
      return object == null
        ? object
        : baseFor(object, getIteratee(iteratee, 3), keysIn);
    }

    /**
     * This method is like `_.forIn` except that it iterates over properties of
     * `object` in the opposite order.
     *
     * @static
     * @memberOf _
     * @since 2.0.0
     * @category Object
     * @param {Object} object The object to iterate over.
     * @param {Function} [iteratee=_.identity] The function invoked per iteration.
     * @returns {Object} Returns `object`.
     * @see _.forIn
     * @example
     *
     * function Foo() {
     *   this.a = 1;
     *   this.b = 2;
     * }
     *
     * Foo.prototype.c = 3;
     *
     * _.forInRight(new Foo, function(value, key) {
     *   console.log(key);
     * });
     * // => Logs 'c', 'b', then 'a' assuming `_.forIn` logs 'a', 'b', then 'c'.
     */
    function forInRight(object, iteratee) {
      return object == null
        ? object
        : baseForRight(object, getIteratee(iteratee, 3), keysIn);
    }

    /**
     * Iterates over own enumerable string keyed properties of an object and
     * invokes `iteratee` for each property. The iteratee is invoked with three
     * arguments: (value, key, object). Iteratee functions may exit iteration
     * early by explicitly returning `false`.
     *
     * @static
     * @memberOf _
     * @since 0.3.0
     * @category Object
     * @param {Object} object The object to iterate over.
     * @param {Function} [iteratee=_.identity] The function invoked per iteration.
     * @returns {Object} Returns `object`.
     * @see _.forOwnRight
     * @example
     *
     * function Foo() {
     *   this.a = 1;
     *   this.b = 2;
     * }
     *
     * Foo.prototype.c = 3;
     *
     * _.forOwn(new Foo, function(value, key) {
     *   console.log(key);
     * });
     * // => Logs 'a' then 'b' (iteration order is not guaranteed).
     */
    function forOwn(object, iteratee) {
      return object && baseForOwn(object, getIteratee(iteratee, 3));
    }

    /**
     * This method is like `_.forOwn` except that it iterates over properties of
     * `object` in the opposite order.
     *
     * @static
     * @memberOf _
     * @since 2.0.0
     * @category Object
     * @param {Object} object The object to iterate over.
     * @param {Function} [iteratee=_.identity] The function invoked per iteration.
     * @returns {Object} Returns `object`.
     * @see _.forOwn
     * @example
     *
     * function Foo() {
     *   this.a = 1;
     *   this.b = 2;
     * }
     *
     * Foo.prototype.c = 3;
     *
     * _.forOwnRight(new Foo, function(value, key) {
     *   console.log(key);
     * });
     * // => Logs 'b' then 'a' assuming `_.forOwn` logs 'a' then 'b'.
     */
    function forOwnRight(object, iteratee) {
      return object && baseForOwnRight(object, getIteratee(iteratee, 3));
    }

    /**
     * Creates an array of function property names from own enumerable properties
     * of `object`.
     *
     * @static
     * @since 0.1.0
     * @memberOf _
     * @category Object
     * @param {Object} object The object to inspect.
     * @returns {Array} Returns the function names.
     * @see _.functionsIn
     * @example
     *
     * function Foo() {
     *   this.a = _.constant('a');
     *   this.b = _.constant('b');
     * }
     *
     * Foo.prototype.c = _.constant('c');
     *
     * _.functions(new Foo);
     * // => ['a', 'b']
     */
    function functions(object) {
      return object == null ? [] : baseFunctions(object, keys(object));
    }

    /**
     * Creates an array of function property names from own and inherited
     * enumerable properties of `object`.
     *
     * @static
     * @memberOf _
     * @since 4.0.0
     * @category Object
     * @param {Object} object The object to inspect.
     * @returns {Array} Returns the function names.
     * @see _.functions
     * @example
     *
     * function Foo() {
     *   this.a = _.constant('a');
     *   this.b = _.constant('b');
     * }
     *
     * Foo.prototype.c = _.constant('c');
     *
     * _.functionsIn(new Foo);
     * // => ['a', 'b', 'c']
     */
    function functionsIn(object) {
      return object == null ? [] : baseFunctions(object, keysIn(object));
    }

    /**
     * Gets the value at `path` of `object`. If the resolved value is
     * `undefined`, the `defaultValue` is returned in its place.
     *
     * @static
     * @memberOf _
     * @since 3.7.0
     * @category Object
     * @param {Object} object The object to query.
     * @param {Array|string} path The path of the property to get.
     * @param {*} [defaultValue] The value returned for `undefined` resolved values.
     * @returns {*} Returns the resolved value.
     * @example
     *
     * var object = { 'a': [{ 'b': { 'c': 3 } }] };
     *
     * _.get(object, 'a[0].b.c');
     * // => 3
     *
     * _.get(object, ['a', '0', 'b', 'c']);
     * // => 3
     *
     * _.get(object, 'a.b.c', 'default');
     * // => 'default'
     */
    function get(object, path, defaultValue) {
      var result = object == null ? undefined : baseGet(object, path);
      return result === undefined ? defaultValue : result;
    }

    /**
     * Checks if `path` is a direct property of `object`.
     *
     * @static
     * @since 0.1.0
     * @memberOf _
     * @category Object
     * @param {Object} object The object to query.
     * @param {Array|string} path The path to check.
     * @returns {boolean} Returns `true` if `path` exists, else `false`.
     * @example
     *
     * var object = { 'a': { 'b': 2 } };
     * var other = _.create({ 'a': _.create({ 'b': 2 }) });
     *
     * _.has(object, 'a');
     * // => true
     *
     * _.has(object, 'a.b');
     * // => true
     *
     * _.has(object, ['a', 'b']);
     * // => true
     *
     * _.has(other, 'a');
     * // => false
     */
    function has(object, path) {
      return object != null && hasPath(object, path, baseHas);
    }

    /**
     * Checks if `path` is a direct or inherited property of `object`.
     *
     * @static
     * @memberOf _
     * @since 4.0.0
     * @category Object
     * @param {Object} object The object to query.
     * @param {Array|string} path The path to check.
     * @returns {boolean} Returns `true` if `path` exists, else `false`.
     * @example
     *
     * var object = _.create({ 'a': _.create({ 'b': 2 }) });
     *
     * _.hasIn(object, 'a');
     * // => true
     *
     * _.hasIn(object, 'a.b');
     * // => true
     *
     * _.hasIn(object, ['a', 'b']);
     * // => true
     *
     * _.hasIn(object, 'b');
     * // => false
     */
    function hasIn(object, path) {
      return object != null && hasPath(object, path, baseHasIn);
    }

    /**
     * Creates an object composed of the inverted keys and values of `object`.
     * If `object` contains duplicate values, subsequent values overwrite
     * property assignments of previous values.
     *
     * @static
     * @memberOf _
     * @since 0.7.0
     * @category Object
     * @param {Object} object The object to invert.
     * @returns {Object} Returns the new inverted object.
     * @example
     *
     * var object = { 'a': 1, 'b': 2, 'c': 1 };
     *
     * _.invert(object);
     * // => { '1': 'c', '2': 'b' }
     */
    var invert = createInverter(function(result, value, key) {
      if (value != null &&
          typeof value.toString != 'function') {
        value = nativeObjectToString.call(value);
      }

      result[value] = key;
    }, constant(identity));

    /**
     * This method is like `_.invert` except that the inverted object is generated
     * from the results of running each element of `object` thru `iteratee`. The
     * corresponding inverted value of each inverted key is an array of keys
     * responsible for generating the inverted value. The iteratee is invoked
     * with one argument: (value).
     *
     * @static
     * @memberOf _
     * @since 4.1.0
     * @category Object
     * @param {Object} object The object to invert.
     * @param {Function} [iteratee=_.identity] The iteratee invoked per element.
     * @returns {Object} Returns the new inverted object.
     * @example
     *
     * var object = { 'a': 1, 'b': 2, 'c': 1 };
     *
     * _.invertBy(object);
     * // => { '1': ['a', 'c'], '2': ['b'] }
     *
     * _.invertBy(object, function(value) {
     *   return 'group' + value;
     * });
     * // => { 'group1': ['a', 'c'], 'group2': ['b'] }
     */
    var invertBy = createInverter(function(result, value, key) {
      if (value != null &&
          typeof value.toString != 'function') {
        value = nativeObjectToString.call(value);
      }

      if (hasOwnProperty.call(result, value)) {
        result[value].push(key);
      } else {
        result[value] = [key];
      }
    }, getIteratee);

    /**
     * Invokes the method at `path` of `object`.
     *
     * @static
     * @memberOf _
     * @since 4.0.0
     * @category Object
     * @param {Object} object The object to query.
     * @param {Array|string} path The path of the method to invoke.
     * @param {...*} [args] The arguments to invoke the method with.
     * @returns {*} Returns the result of the invoked method.
     * @example
     *
     * var object = { 'a': [{ 'b': { 'c': [1, 2, 3, 4] } }] };
     *
     * _.invoke(object, 'a[0].b.c.slice', 1, 3);
     * // => [2, 3]
     */
    var invoke = baseRest(baseInvoke);

    /**
     * Creates an array of the own enumerable property names of `object`.
     *
     * **Note:** Non-object values are coerced to objects. See the
     * [ES spec](http://ecma-international.org/ecma-262/7.0/#sec-object.keys)
     * for more details.
     *
     * @static
     * @since 0.1.0
     * @memberOf _
     * @category Object
     * @param {Object} object The object to query.
     * @returns {Array} Returns the array of property names.
     * @example
     *
     * function Foo() {
     *   this.a = 1;
     *   this.b = 2;
     * }
     *
     * Foo.prototype.c = 3;
     *
     * _.keys(new Foo);
     * // => ['a', 'b'] (iteration order is not guaranteed)
     *
     * _.keys('hi');
     * // => ['0', '1']
     */
    function keys(object) {
      return isArrayLike(object) ? arrayLikeKeys(object) : baseKeys(object);
    }

    /**
     * Creates an array of the own and inherited enumerable property names of `object`.
     *
     * **Note:** Non-object values are coerced to objects.
     *
     * @static
     * @memberOf _
     * @since 3.0.0
     * @category Object
     * @param {Object} object The object to query.
     * @returns {Array} Returns the array of property names.
     * @example
     *
     * function Foo() {
     *   this.a = 1;
     *   this.b = 2;
     * }
     *
     * Foo.prototype.c = 3;
     *
     * _.keysIn(new Foo);
     * // => ['a', 'b', 'c'] (iteration order is not guaranteed)
     */
    function keysIn(object) {
      return isArrayLike(object) ? arrayLikeKeys(object, true) : baseKeysIn(object);
    }

    /**
     * The opposite of `_.mapValues`; this method creates an object with the
     * same values as `object` and keys generated by running each own enumerable
     * string keyed property of `object` thru `iteratee`. The iteratee is invoked
     * with three arguments: (value, key, object).
     *
     * @static
     * @memberOf _
     * @since 3.8.0
     * @category Object
     * @param {Object} object The object to iterate over.
     * @param {Function} [iteratee=_.identity] The function invoked per iteration.
     * @returns {Object} Returns the new mapped object.
     * @see _.mapValues
     * @example
     *
     * _.mapKeys({ 'a': 1, 'b': 2 }, function(value, key) {
     *   return key + value;
     * });
     * // => { 'a1': 1, 'b2': 2 }
     */
    function mapKeys(object, iteratee) {
      var result = {};
      iteratee = getIteratee(iteratee, 3);

      baseForOwn(object, function(value, key, object) {
        baseAssignValue(result, iteratee(value, key, object), value);
      });
      return result;
    }

    /**
     * Creates an object with the same keys as `object` and values generated
     * by running each own enumerable string keyed property of `object` thru
     * `iteratee`. The iteratee is invoked with three arguments:
     * (value, key, object).
     *
     * @static
     * @memberOf _
     * @since 2.4.0
     * @category Object
     * @param {Object} object The object to iterate over.
     * @param {Function} [iteratee=_.identity] The function invoked per iteration.
     * @returns {Object} Returns the new mapped object.
     * @see _.mapKeys
     * @example
     *
     * var users = {
     *   'fred':    { 'user': 'fred',    'age': 40 },
     *   'pebbles': { 'user': 'pebbles', 'age': 1 }
     * };
     *
     * _.mapValues(users, function(o) { return o.age; });
     * // => { 'fred': 40, 'pebbles': 1 } (iteration order is not guaranteed)
     *
     * // The `_.property` iteratee shorthand.
     * _.mapValues(users, 'age');
     * // => { 'fred': 40, 'pebbles': 1 } (iteration order is not guaranteed)
     */
    function mapValues(object, iteratee) {
      var result = {};
      iteratee = getIteratee(iteratee, 3);

      baseForOwn(object, function(value, key, object) {
        baseAssignValue(result, key, iteratee(value, key, object));
      });
      return result;
    }

    /**
     * This method is like `_.assign` except that it recursively merges own and
     * inherited enumerable string keyed properties of source objects into the
     * destination object. Source properties that resolve to `undefined` are
     * skipped if a destination value exists. Array and plain object properties
     * are merged recursively. Other objects and value types are overridden by
     * assignment. Source objects are applied from left to right. Subsequent
     * sources overwrite property assignments of previous sources.
     *
     * **Note:** This method mutates `object`.
     *
     * @static
     * @memberOf _
     * @since 0.5.0
     * @category Object
     * @param {Object} object The destination object.
     * @param {...Object} [sources] The source objects.
     * @returns {Object} Returns `object`.
     * @example
     *
     * var object = {
     *   'a': [{ 'b': 2 }, { 'd': 4 }]
     * };
     *
     * var other = {
     *   'a': [{ 'c': 3 }, { 'e': 5 }]
     * };
     *
     * _.merge(object, other);
     * // => { 'a': [{ 'b': 2, 'c': 3 }, { 'd': 4, 'e': 5 }] }
     */
    var merge = createAssigner(function(object, source, srcIndex) {
      baseMerge(object, source, srcIndex);
    });

    /**
     * This method is like `_.merge` except that it accepts `customizer` which
     * is invoked to produce the merged values of the destination and source
     * properties. If `customizer` returns `undefined`, merging is handled by the
     * method instead. The `customizer` is invoked with six arguments:
     * (objValue, srcValue, key, object, source, stack).
     *
     * **Note:** This method mutates `object`.
     *
     * @static
     * @memberOf _
     * @since 4.0.0
     * @category Object
     * @param {Object} object The destination object.
     * @param {...Object} sources The source objects.
     * @param {Function} customizer The function to customize assigned values.
     * @returns {Object} Returns `object`.
     * @example
     *
     * function customizer(objValue, srcValue) {
     *   if (_.isArray(objValue)) {
     *     return objValue.concat(srcValue);
     *   }
     * }
     *
     * var object = { 'a': [1], 'b': [2] };
     * var other = { 'a': [3], 'b': [4] };
     *
     * _.mergeWith(object, other, customizer);
     * // => { 'a': [1, 3], 'b': [2, 4] }
     */
    var mergeWith = createAssigner(function(object, source, srcIndex, customizer) {
      baseMerge(object, source, srcIndex, customizer);
    });

    /**
     * The opposite of `_.pick`; this method creates an object composed of the
     * own and inherited enumerable property paths of `object` that are not omitted.
     *
     * **Note:** This method is considerably slower than `_.pick`.
     *
     * @static
     * @since 0.1.0
     * @memberOf _
     * @category Object
     * @param {Object} object The source object.
     * @param {...(string|string[])} [paths] The property paths to omit.
     * @returns {Object} Returns the new object.
     * @example
     *
     * var object = { 'a': 1, 'b': '2', 'c': 3 };
     *
     * _.omit(object, ['a', 'c']);
     * // => { 'b': '2' }
     */
    var omit = flatRest(function(object, paths) {
      var result = {};
      if (object == null) {
        return result;
      }
      var isDeep = false;
      paths = arrayMap(paths, function(path) {
        path = castPath(path, object);
        isDeep || (isDeep = path.length > 1);
        return path;
      });
      copyObject(object, getAllKeysIn(object), result);
      if (isDeep) {
        result = baseClone(result, CLONE_DEEP_FLAG | CLONE_FLAT_FLAG | CLONE_SYMBOLS_FLAG, customOmitClone);
      }
      var length = paths.length;
      while (length--) {
        baseUnset(result, paths[length]);
      }
      return result;
    });

    /**
     * The opposite of `_.pickBy`; this method creates an object composed of
     * the own and inherited enumerable string keyed properties of `object` that
     * `predicate` doesn't return truthy for. The predicate is invoked with two
     * arguments: (value, key).
     *
     * @static
     * @memberOf _
     * @since 4.0.0
     * @category Object
     * @param {Object} object The source object.
     * @param {Function} [predicate=_.identity] The function invoked per property.
     * @returns {Object} Returns the new object.
     * @example
     *
     * var object = { 'a': 1, 'b': '2', 'c': 3 };
     *
     * _.omitBy(object, _.isNumber);
     * // => { 'b': '2' }
     */
    function omitBy(object, predicate) {
      return pickBy(object, negate(getIteratee(predicate)));
    }

    /**
     * Creates an object composed of the picked `object` properties.
     *
     * @static
     * @since 0.1.0
     * @memberOf _
     * @category Object
     * @param {Object} object The source object.
     * @param {...(string|string[])} [paths] The property paths to pick.
     * @returns {Object} Returns the new object.
     * @example
     *
     * var object = { 'a': 1, 'b': '2', 'c': 3 };
     *
     * _.pick(object, ['a', 'c']);
     * // => { 'a': 1, 'c': 3 }
     */
    var pick = flatRest(function(object, paths) {
      return object == null ? {} : basePick(object, paths);
    });

    /**
     * Creates an object composed of the `object` properties `predicate` returns
     * truthy for. The predicate is invoked with two arguments: (value, key).
     *
     * @static
     * @memberOf _
     * @since 4.0.0
     * @category Object
     * @param {Object} object The source object.
     * @param {Function} [predicate=_.identity] The function invoked per property.
     * @returns {Object} Returns the new object.
     * @example
     *
     * var object = { 'a': 1, 'b': '2', 'c': 3 };
     *
     * _.pickBy(object, _.isNumber);
     * // => { 'a': 1, 'c': 3 }
     */
    function pickBy(object, predicate) {
      if (object == null) {
        return {};
      }
      var props = arrayMap(getAllKeysIn(object), function(prop) {
        return [prop];
      });
      predicate = getIteratee(predicate);
      return basePickBy(object, props, function(value, path) {
        return predicate(value, path[0]);
      });
    }

    /**
     * This method is like `_.get` except that if the resolved value is a
     * function it's invoked with the `this` binding of its parent object and
     * its result is returned.
     *
     * @static
     * @since 0.1.0
     * @memberOf _
     * @category Object
     * @param {Object} object The object to query.
     * @param {Array|string} path The path of the property to resolve.
     * @param {*} [defaultValue] The value returned for `undefined` resolved values.
     * @returns {*} Returns the resolved value.
     * @example
     *
     * var object = { 'a': [{ 'b': { 'c1': 3, 'c2': _.constant(4) } }] };
     *
     * _.result(object, 'a[0].b.c1');
     * // => 3
     *
     * _.result(object, 'a[0].b.c2');
     * // => 4
     *
     * _.result(object, 'a[0].b.c3', 'default');
     * // => 'default'
     *
     * _.result(object, 'a[0].b.c3', _.constant('default'));
     * // => 'default'
     */
    function result(object, path, defaultValue) {
      path = castPath(path, object);

      var index = -1,
          length = path.length;

      // Ensure the loop is entered when path is empty.
      if (!length) {
        length = 1;
        object = undefined;
      }
      while (++index < length) {
        var value = object == null ? undefined : object[toKey(path[index])];
        if (value === undefined) {
          index = length;
          value = defaultValue;
        }
        object = isFunction(value) ? value.call(object) : value;
      }
      return object;
    }

    /**
     * Sets the value at `path` of `object`. If a portion of `path` doesn't exist,
     * it's created. Arrays are created for missing index properties while objects
     * are created for all other missing properties. Use `_.setWith` to customize
     * `path` creation.
     *
     * **Note:** This method mutates `object`.
     *
     * @static
     * @memberOf _
     * @since 3.7.0
     * @category Object
     * @param {Object} object The object to modify.
     * @param {Array|string} path The path of the property to set.
     * @param {*} value The value to set.
     * @returns {Object} Returns `object`.
     * @example
     *
     * var object = { 'a': [{ 'b': { 'c': 3 } }] };
     *
     * _.set(object, 'a[0].b.c', 4);
     * console.log(object.a[0].b.c);
     * // => 4
     *
     * _.set(object, ['x', '0', 'y', 'z'], 5);
     * console.log(object.x[0].y.z);
     * // => 5
     */
    function set(object, path, value) {
      return object == null ? object : baseSet(object, path, value);
    }

    /**
     * This method is like `_.set` except that it accepts `customizer` which is
     * invoked to produce the objects of `path`.  If `customizer` returns `undefined`
     * path creation is handled by the method instead. The `customizer` is invoked
     * with three arguments: (nsValue, key, nsObject).
     *
     * **Note:** This method mutates `object`.
     *
     * @static
     * @memberOf _
     * @since 4.0.0
     * @category Object
     * @param {Object} object The object to modify.
     * @param {Array|string} path The path of the property to set.
     * @param {*} value The value to set.
     * @param {Function} [customizer] The function to customize assigned values.
     * @returns {Object} Returns `object`.
     * @example
     *
     * var object = {};
     *
     * _.setWith(object, '[0][1]', 'a', Object);
     * // => { '0': { '1': 'a' } }
     */
    function setWith(object, path, value, customizer) {
      customizer = typeof customizer == 'function' ? customizer : undefined;
      return object == null ? object : baseSet(object, path, value, customizer);
    }

    /**
     * Creates an array of own enumerable string keyed-value pairs for `object`
     * which can be consumed by `_.fromPairs`. If `object` is a map or set, its
     * entries are returned.
     *
     * @static
     * @memberOf _
     * @since 4.0.0
     * @alias entries
     * @category Object
     * @param {Object} object The object to query.
     * @returns {Array} Returns the key-value pairs.
     * @example
     *
     * function Foo() {
     *   this.a = 1;
     *   this.b = 2;
     * }
     *
     * Foo.prototype.c = 3;
     *
     * _.toPairs(new Foo);
     * // => [['a', 1], ['b', 2]] (iteration order is not guaranteed)
     */
    var toPairs = createToPairs(keys);

    /**
     * Creates an array of own and inherited enumerable string keyed-value pairs
     * for `object` which can be consumed by `_.fromPairs`. If `object` is a map
     * or set, its entries are returned.
     *
     * @static
     * @memberOf _
     * @since 4.0.0
     * @alias entriesIn
     * @category Object
     * @param {Object} object The object to query.
     * @returns {Array} Returns the key-value pairs.
     * @example
     *
     * function Foo() {
     *   this.a = 1;
     *   this.b = 2;
     * }
     *
     * Foo.prototype.c = 3;
     *
     * _.toPairsIn(new Foo);
     * // => [['a', 1], ['b', 2], ['c', 3]] (iteration order is not guaranteed)
     */
    var toPairsIn = createToPairs(keysIn);

    /**
     * An alternative to `_.reduce`; this method transforms `object` to a new
     * `accumulator` object which is the result of running each of its own
     * enumerable string keyed properties thru `iteratee`, with each invocation
     * potentially mutating the `accumulator` object. If `accumulator` is not
     * provided, a new object with the same `[[Prototype]]` will be used. The
     * iteratee is invoked with four arguments: (accumulator, value, key, object).
     * Iteratee functions may exit iteration early by explicitly returning `false`.
     *
     * @static
     * @memberOf _
     * @since 1.3.0
     * @category Object
     * @param {Object} object The object to iterate over.
     * @param {Function} [iteratee=_.identity] The function invoked per iteration.
     * @param {*} [accumulator] The custom accumulator value.
     * @returns {*} Returns the accumulated value.
     * @example
     *
     * _.transform([2, 3, 4], function(result, n) {
     *   result.push(n *= n);
     *   return n % 2 == 0;
     * }, []);
     * // => [4, 9]
     *
     * _.transform({ 'a': 1, 'b': 2, 'c': 1 }, function(result, value, key) {
     *   (result[value] || (result[value] = [])).push(key);
     * }, {});
     * // => { '1': ['a', 'c'], '2': ['b'] }
     */
    function transform(object, iteratee, accumulator) {
      var isArr = isArray(object),
          isArrLike = isArr || isBuffer(object) || isTypedArray(object);

      iteratee = getIteratee(iteratee, 4);
      if (accumulator == null) {
        var Ctor = object && object.constructor;
        if (isArrLike) {
          accumulator = isArr ? new Ctor : [];
        }
        else if (isObject(object)) {
          accumulator = isFunction(Ctor) ? baseCreate(getPrototype(object)) : {};
        }
        else {
          accumulator = {};
        }
      }
      (isArrLike ? arrayEach : baseForOwn)(object, function(value, index, object) {
        return iteratee(accumulator, value, index, object);
      });
      return accumulator;
    }

    /**
     * Removes the property at `path` of `object`.
     *
     * **Note:** This method mutates `object`.
     *
     * @static
     * @memberOf _
     * @since 4.0.0
     * @category Object
     * @param {Object} object The object to modify.
     * @param {Array|string} path The path of the property to unset.
     * @returns {boolean} Returns `true` if the property is deleted, else `false`.
     * @example
     *
     * var object = { 'a': [{ 'b': { 'c': 7 } }] };
     * _.unset(object, 'a[0].b.c');
     * // => true
     *
     * console.log(object);
     * // => { 'a': [{ 'b': {} }] };
     *
     * _.unset(object, ['a', '0', 'b', 'c']);
     * // => true
     *
     * console.log(object);
     * // => { 'a': [{ 'b': {} }] };
     */
    function unset(object, path) {
      return object == null ? true : baseUnset(object, path);
    }

    /**
     * This method is like `_.set` except that accepts `updater` to produce the
     * value to set. Use `_.updateWith` to customize `path` creation. The `updater`
     * is invoked with one argument: (value).
     *
     * **Note:** This method mutates `object`.
     *
     * @static
     * @memberOf _
     * @since 4.6.0
     * @category Object
     * @param {Object} object The object to modify.
     * @param {Array|string} path The path of the property to set.
     * @param {Function} updater The function to produce the updated value.
     * @returns {Object} Returns `object`.
     * @example
     *
     * var object = { 'a': [{ 'b': { 'c': 3 } }] };
     *
     * _.update(object, 'a[0].b.c', function(n) { return n * n; });
     * console.log(object.a[0].b.c);
     * // => 9
     *
     * _.update(object, 'x[0].y.z', function(n) { return n ? n + 1 : 0; });
     * console.log(object.x[0].y.z);
     * // => 0
     */
    function update(object, path, updater) {
      return object == null ? object : baseUpdate(object, path, castFunction(updater));
    }

    /**
     * This method is like `_.update` except that it accepts `customizer` which is
     * invoked to produce the objects of `path`.  If `customizer` returns `undefined`
     * path creation is handled by the method instead. The `customizer` is invoked
     * with three arguments: (nsValue, key, nsObject).
     *
     * **Note:** This method mutates `object`.
     *
     * @static
     * @memberOf _
     * @since 4.6.0
     * @category Object
     * @param {Object} object The object to modify.
     * @param {Array|string} path The path of the property to set.
     * @param {Function} updater The function to produce the updated value.
     * @param {Function} [customizer] The function to customize assigned values.
     * @returns {Object} Returns `object`.
     * @example
     *
     * var object = {};
     *
     * _.updateWith(object, '[0][1]', _.constant('a'), Object);
     * // => { '0': { '1': 'a' } }
     */
    function updateWith(object, path, updater, customizer) {
      customizer = typeof customizer == 'function' ? customizer : undefined;
      return object == null ? object : baseUpdate(object, path, castFunction(updater), customizer);
    }

    /**
     * Creates an array of the own enumerable string keyed property values of `object`.
     *
     * **Note:** Non-object values are coerced to objects.
     *
     * @static
     * @since 0.1.0
     * @memberOf _
     * @category Object
     * @param {Object} object The object to query.
     * @returns {Array} Returns the array of property values.
     * @example
     *
     * function Foo() {
     *   this.a = 1;
     *   this.b = 2;
     * }
     *
     * Foo.prototype.c = 3;
     *
     * _.values(new Foo);
     * // => [1, 2] (iteration order is not guaranteed)
     *
     * _.values('hi');
     * // => ['h', 'i']
     */
    function values(object) {
      return object == null ? [] : baseValues(object, keys(object));
    }

    /**
     * Creates an array of the own and inherited enumerable string keyed property
     * values of `object`.
     *
     * **Note:** Non-object values are coerced to objects.
     *
     * @static
     * @memberOf _
     * @since 3.0.0
     * @category Object
     * @param {Object} object The object to query.
     * @returns {Array} Returns the array of property values.
     * @example
     *
     * function Foo() {
     *   this.a = 1;
     *   this.b = 2;
     * }
     *
     * Foo.prototype.c = 3;
     *
     * _.valuesIn(new Foo);
     * // => [1, 2, 3] (iteration order is not guaranteed)
     */
    function valuesIn(object) {
      return object == null ? [] : baseValues(object, keysIn(object));
    }

    /*------------------------------------------------------------------------*/

    /**
     * Clamps `number` within the inclusive `lower` and `upper` bounds.
     *
     * @static
     * @memberOf _
     * @since 4.0.0
     * @category Number
     * @param {number} number The number to clamp.
     * @param {number} [lower] The lower bound.
     * @param {number} upper The upper bound.
     * @returns {number} Returns the clamped number.
     * @example
     *
     * _.clamp(-10, -5, 5);
     * // => -5
     *
     * _.clamp(10, -5, 5);
     * // => 5
     */
    function clamp(number, lower, upper) {
      if (upper === undefined) {
        upper = lower;
        lower = undefined;
      }
      if (upper !== undefined) {
        upper = toNumber(upper);
        upper = upper === upper ? upper : 0;
      }
      if (lower !== undefined) {
        lower = toNumber(lower);
        lower = lower === lower ? lower : 0;
      }
      return baseClamp(toNumber(number), lower, upper);
    }

    /**
     * Checks if `n` is between `start` and up to, but not including, `end`. If
     * `end` is not specified, it's set to `start` with `start` then set to `0`.
     * If `start` is greater than `end` the params are swapped to support
     * negative ranges.
     *
     * @static
     * @memberOf _
     * @since 3.3.0
     * @category Number
     * @param {number} number The number to check.
     * @param {number} [start=0] The start of the range.
     * @param {number} end The end of the range.
     * @returns {boolean} Returns `true` if `number` is in the range, else `false`.
     * @see _.range, _.rangeRight
     * @example
     *
     * _.inRange(3, 2, 4);
     * // => true
     *
     * _.inRange(4, 8);
     * // => true
     *
     * _.inRange(4, 2);
     * // => false
     *
     * _.inRange(2, 2);
     * // => false
     *
     * _.inRange(1.2, 2);
     * // => true
     *
     * _.inRange(5.2, 4);
     * // => false
     *
     * _.inRange(-3, -2, -6);
     * // => true
     */
    function inRange(number, start, end) {
      start = toFinite(start);
      if (end === undefined) {
        end = start;
        start = 0;
      } else {
        end = toFinite(end);
      }
      number = toNumber(number);
      return baseInRange(number, start, end);
    }

    /**
     * Produces a random number between the inclusive `lower` and `upper` bounds.
     * If only one argument is provided a number between `0` and the given number
     * is returned. If `floating` is `true`, or either `lower` or `upper` are
     * floats, a floating-point number is returned instead of an integer.
     *
     * **Note:** JavaScript follows the IEEE-754 standard for resolving
     * floating-point values which can produce unexpected results.
     *
     * @static
     * @memberOf _
     * @since 0.7.0
     * @category Number
     * @param {number} [lower=0] The lower bound.
     * @param {number} [upper=1] The upper bound.
     * @param {boolean} [floating] Specify returning a floating-point number.
     * @returns {number} Returns the random number.
     * @example
     *
     * _.random(0, 5);
     * // => an integer between 0 and 5
     *
     * _.random(5);
     * // => also an integer between 0 and 5
     *
     * _.random(5, true);
     * // => a floating-point number between 0 and 5
     *
     * _.random(1.2, 5.2);
     * // => a floating-point number between 1.2 and 5.2
     */
    function random(lower, upper, floating) {
      if (floating && typeof floating != 'boolean' && isIterateeCall(lower, upper, floating)) {
        upper = floating = undefined;
      }
      if (floating === undefined) {
        if (typeof upper == 'boolean') {
          floating = upper;
          upper = undefined;
        }
        else if (typeof lower == 'boolean') {
          floating = lower;
          lower = undefined;
        }
      }
      if (lower === undefined && upper === undefined) {
        lower = 0;
        upper = 1;
      }
      else {
        lower = toFinite(lower);
        if (upper === undefined) {
          upper = lower;
          lower = 0;
        } else {
          upper = toFinite(upper);
        }
      }
      if (lower > upper) {
        var temp = lower;
        lower = upper;
        upper = temp;
      }
      if (floating || lower % 1 || upper % 1) {
        var rand = nativeRandom();
        return nativeMin(lower + (rand * (upper - lower + freeParseFloat('1e-' + ((rand + '').length - 1)))), upper);
      }
      return baseRandom(lower, upper);
    }

    /*------------------------------------------------------------------------*/

    /**
     * Converts `string` to [camel case](https://en.wikipedia.org/wiki/CamelCase).
     *
     * @static
     * @memberOf _
     * @since 3.0.0
     * @category String
     * @param {string} [string=''] The string to convert.
     * @returns {string} Returns the camel cased string.
     * @example
     *
     * _.camelCase('Foo Bar');
     * // => 'fooBar'
     *
     * _.camelCase('--foo-bar--');
     * // => 'fooBar'
     *
     * _.camelCase('__FOO_BAR__');
     * // => 'fooBar'
     */
    var camelCase = createCompounder(function(result, word, index) {
      word = word.toLowerCase();
      return result + (index ? capitalize(word) : word);
    });

    /**
     * Converts the first character of `string` to upper case and the remaining
     * to lower case.
     *
     * @static
     * @memberOf _
     * @since 3.0.0
     * @category String
     * @param {string} [string=''] The string to capitalize.
     * @returns {string} Returns the capitalized string.
     * @example
     *
     * _.capitalize('FRED');
     * // => 'Fred'
     */
    function capitalize(string) {
      return upperFirst(toString(string).toLowerCase());
    }

    /**
     * Deburrs `string` by converting
     * [Latin-1 Supplement](https://en.wikipedia.org/wiki/Latin-1_Supplement_(Unicode_block)#Character_table)
     * and [Latin Extended-A](https://en.wikipedia.org/wiki/Latin_Extended-A)
     * letters to basic Latin letters and removing
     * [combining diacritical marks](https://en.wikipedia.org/wiki/Combining_Diacritical_Marks).
     *
     * @static
     * @memberOf _
     * @since 3.0.0
     * @category String
     * @param {string} [string=''] The string to deburr.
     * @returns {string} Returns the deburred string.
     * @example
     *
     * _.deburr('déjà vu');
     * // => 'deja vu'
     */
    function deburr(string) {
      string = toString(string);
      return string && string.replace(reLatin, deburrLetter).replace(reComboMark, '');
    }

    /**
     * Checks if `string` ends with the given target string.
     *
     * @static
     * @memberOf _
     * @since 3.0.0
     * @category String
     * @param {string} [string=''] The string to inspect.
     * @param {string} [target] The string to search for.
     * @param {number} [position=string.length] The position to search up to.
     * @returns {boolean} Returns `true` if `string` ends with `target`,
     *  else `false`.
     * @example
     *
     * _.endsWith('abc', 'c');
     * // => true
     *
     * _.endsWith('abc', 'b');
     * // => false
     *
     * _.endsWith('abc', 'b', 2);
     * // => true
     */
    function endsWith(string, target, position) {
      string = toString(string);
      target = baseToString(target);

      var length = string.length;
      position = position === undefined
        ? length
        : baseClamp(toInteger(position), 0, length);

      var end = position;
      position -= target.length;
      return position >= 0 && string.slice(position, end) == target;
    }

    /**
     * Converts the characters "&", "<", ">", '"', and "'" in `string` to their
     * corresponding HTML entities.
     *
     * **Note:** No other characters are escaped. To escape additional
     * characters use a third-party library like [_he_](https://mths.be/he).
     *
     * Though the ">" character is escaped for symmetry, characters like
     * ">" and "/" don't need escaping in HTML and have no special meaning
     * unless they're part of a tag or unquoted attribute value. See
     * [Mathias Bynens's article](https://mathiasbynens.be/notes/ambiguous-ampersands)
     * (under "semi-related fun fact") for more details.
     *
     * When working with HTML you should always
     * [quote attribute values](http://wonko.com/post/html-escaping) to reduce
     * XSS vectors.
     *
     * @static
     * @since 0.1.0
     * @memberOf _
     * @category String
     * @param {string} [string=''] The string to escape.
     * @returns {string} Returns the escaped string.
     * @example
     *
     * _.escape('fred, barney, & pebbles');
     * // => 'fred, barney, &amp; pebbles'
     */
    function escape(string) {
      string = toString(string);
      return (string && reHasUnescapedHtml.test(string))
        ? string.replace(reUnescapedHtml, escapeHtmlChar)
        : string;
    }

    /**
     * Escapes the `RegExp` special characters "^", "$", "\", ".", "*", "+",
     * "?", "(", ")", "[", "]", "{", "}", and "|" in `string`.
     *
     * @static
     * @memberOf _
     * @since 3.0.0
     * @category String
     * @param {string} [string=''] The string to escape.
     * @returns {string} Returns the escaped string.
     * @example
     *
     * _.escapeRegExp('[lodash](https://lodash.com/)');
     * // => '\[lodash\]\(https://lodash\.com/\)'
     */
    function escapeRegExp(string) {
      string = toString(string);
      return (string && reHasRegExpChar.test(string))
        ? string.replace(reRegExpChar, '\\$&')
        : string;
    }

    /**
     * Converts `string` to
     * [kebab case](https://en.wikipedia.org/wiki/Letter_case#Special_case_styles).
     *
     * @static
     * @memberOf _
     * @since 3.0.0
     * @category String
     * @param {string} [string=''] The string to convert.
     * @returns {string} Returns the kebab cased string.
     * @example
     *
     * _.kebabCase('Foo Bar');
     * // => 'foo-bar'
     *
     * _.kebabCase('fooBar');
     * // => 'foo-bar'
     *
     * _.kebabCase('__FOO_BAR__');
     * // => 'foo-bar'
     */
    var kebabCase = createCompounder(function(result, word, index) {
      return result + (index ? '-' : '') + word.toLowerCase();
    });

    /**
     * Converts `string`, as space separated words, to lower case.
     *
     * @static
     * @memberOf _
     * @since 4.0.0
     * @category String
     * @param {string} [string=''] The string to convert.
     * @returns {string} Returns the lower cased string.
     * @example
     *
     * _.lowerCase('--Foo-Bar--');
     * // => 'foo bar'
     *
     * _.lowerCase('fooBar');
     * // => 'foo bar'
     *
     * _.lowerCase('__FOO_BAR__');
     * // => 'foo bar'
     */
    var lowerCase = createCompounder(function(result, word, index) {
      return result + (index ? ' ' : '') + word.toLowerCase();
    });

    /**
     * Converts the first character of `string` to lower case.
     *
     * @static
     * @memberOf _
     * @since 4.0.0
     * @category String
     * @param {string} [string=''] The string to convert.
     * @returns {string} Returns the converted string.
     * @example
     *
     * _.lowerFirst('Fred');
     * // => 'fred'
     *
     * _.lowerFirst('FRED');
     * // => 'fRED'
     */
    var lowerFirst = createCaseFirst('toLowerCase');

    /**
     * Pads `string` on the left and right sides if it's shorter than `length`.
     * Padding characters are truncated if they can't be evenly divided by `length`.
     *
     * @static
     * @memberOf _
     * @since 3.0.0
     * @category String
     * @param {string} [string=''] The string to pad.
     * @param {number} [length=0] The padding length.
     * @param {string} [chars=' '] The string used as padding.
     * @returns {string} Returns the padded string.
     * @example
     *
     * _.pad('abc', 8);
     * // => '  abc   '
     *
     * _.pad('abc', 8, '_-');
     * // => '_-abc_-_'
     *
     * _.pad('abc', 3);
     * // => 'abc'
     */
    function pad(string, length, chars) {
      string = toString(string);
      length = toInteger(length);

      var strLength = length ? stringSize(string) : 0;
      if (!length || strLength >= length) {
        return string;
      }
      var mid = (length - strLength) / 2;
      return (
        createPadding(nativeFloor(mid), chars) +
        string +
        createPadding(nativeCeil(mid), chars)
      );
    }

    /**
     * Pads `string` on the right side if it's shorter than `length`. Padding
     * characters are truncated if they exceed `length`.
     *
     * @static
     * @memberOf _
     * @since 4.0.0
     * @category String
     * @param {string} [string=''] The string to pad.
     * @param {number} [length=0] The padding length.
     * @param {string} [chars=' '] The string used as padding.
     * @returns {string} Returns the padded string.
     * @example
     *
     * _.padEnd('abc', 6);
     * // => 'abc   '
     *
     * _.padEnd('abc', 6, '_-');
     * // => 'abc_-_'
     *
     * _.padEnd('abc', 3);
     * // => 'abc'
     */
    function padEnd(string, length, chars) {
      string = toString(string);
      length = toInteger(length);

      var strLength = length ? stringSize(string) : 0;
      return (length && strLength < length)
        ? (string + createPadding(length - strLength, chars))
        : string;
    }

    /**
     * Pads `string` on the left side if it's shorter than `length`. Padding
     * characters are truncated if they exceed `length`.
     *
     * @static
     * @memberOf _
     * @since 4.0.0
     * @category String
     * @param {string} [string=''] The string to pad.
     * @param {number} [length=0] The padding length.
     * @param {string} [chars=' '] The string used as padding.
     * @returns {string} Returns the padded string.
     * @example
     *
     * _.padStart('abc', 6);
     * // => '   abc'
     *
     * _.padStart('abc', 6, '_-');
     * // => '_-_abc'
     *
     * _.padStart('abc', 3);
     * // => 'abc'
     */
    function padStart(string, length, chars) {
      string = toString(string);
      length = toInteger(length);

      var strLength = length ? stringSize(string) : 0;
      return (length && strLength < length)
        ? (createPadding(length - strLength, chars) + string)
        : string;
    }

    /**
     * Converts `string` to an integer of the specified radix. If `radix` is
     * `undefined` or `0`, a `radix` of `10` is used unless `value` is a
     * hexadecimal, in which case a `radix` of `16` is used.
     *
     * **Note:** This method aligns with the
     * [ES5 implementation](https://es5.github.io/#x15.1.2.2) of `parseInt`.
     *
     * @static
     * @memberOf _
     * @since 1.1.0
     * @category String
     * @param {string} string The string to convert.
     * @param {number} [radix=10] The radix to interpret `value` by.
     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.
     * @returns {number} Returns the converted integer.
     * @example
     *
     * _.parseInt('08');
     * // => 8
     *
     * _.map(['6', '08', '10'], _.parseInt);
     * // => [6, 8, 10]
     */
    function parseInt(string, radix, guard) {
      if (guard || radix == null) {
        radix = 0;
      } else if (radix) {
        radix = +radix;
      }
      return nativeParseInt(toString(string).replace(reTrimStart, ''), radix || 0);
    }

    /**
     * Repeats the given string `n` times.
     *
     * @static
     * @memberOf _
     * @since 3.0.0
     * @category String
     * @param {string} [string=''] The string to repeat.
     * @param {number} [n=1] The number of times to repeat the string.
     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.
     * @returns {string} Returns the repeated string.
     * @example
     *
     * _.repeat('*', 3);
     * // => '***'
     *
     * _.repeat('abc', 2);
     * // => 'abcabc'
     *
     * _.repeat('abc', 0);
     * // => ''
     */
    function repeat(string, n, guard) {
      if ((guard ? isIterateeCall(string, n, guard) : n === undefined)) {
        n = 1;
      } else {
        n = toInteger(n);
      }
      return baseRepeat(toString(string), n);
    }

    /**
     * Replaces matches for `pattern` in `string` with `replacement`.
     *
     * **Note:** This method is based on
     * [`String#replace`](https://mdn.io/String/replace).
     *
     * @static
     * @memberOf _
     * @since 4.0.0
     * @category String
     * @param {string} [string=''] The string to modify.
     * @param {RegExp|string} pattern The pattern to replace.
     * @param {Function|string} replacement The match replacement.
     * @returns {string} Returns the modified string.
     * @example
     *
     * _.replace('Hi Fred', 'Fred', 'Barney');
     * // => 'Hi Barney'
     */
    function replace() {
      var args = arguments,
          string = toString(args[0]);

      return args.length < 3 ? string : string.replace(args[1], args[2]);
    }

    /**
     * Converts `string` to
     * [snake case](https://en.wikipedia.org/wiki/Snake_case).
     *
     * @static
     * @memberOf _
     * @since 3.0.0
     * @category String
     * @param {string} [string=''] The string to convert.
     * @returns {string} Returns the snake cased string.
     * @example
     *
     * _.snakeCase('Foo Bar');
     * // => 'foo_bar'
     *
     * _.snakeCase('fooBar');
     * // => 'foo_bar'
     *
     * _.snakeCase('--FOO-BAR--');
     * // => 'foo_bar'
     */
    var snakeCase = createCompounder(function(result, word, index) {
      return result + (index ? '_' : '') + word.toLowerCase();
    });

    /**
     * Splits `string` by `separator`.
     *
     * **Note:** This method is based on
     * [`String#split`](https://mdn.io/String/split).
     *
     * @static
     * @memberOf _
     * @since 4.0.0
     * @category String
     * @param {string} [string=''] The string to split.
     * @param {RegExp|string} separator The separator pattern to split by.
     * @param {number} [limit] The length to truncate results to.
     * @returns {Array} Returns the string segments.
     * @example
     *
     * _.split('a-b-c', '-', 2);
     * // => ['a', 'b']
     */
    function split(string, separator, limit) {
      if (limit && typeof limit != 'number' && isIterateeCall(string, separator, limit)) {
        separator = limit = undefined;
      }
      limit = limit === undefined ? MAX_ARRAY_LENGTH : limit >>> 0;
      if (!limit) {
        return [];
      }
      string = toString(string);
      if (string && (
            typeof separator == 'string' ||
            (separator != null && !isRegExp(separator))
          )) {
        separator = baseToString(separator);
        if (!separator && hasUnicode(string)) {
          return castSlice(stringToArray(string), 0, limit);
        }
      }
      return string.split(separator, limit);
    }

    /**
     * Converts `string` to
     * [start case](https://en.wikipedia.org/wiki/Letter_case#Stylistic_or_specialised_usage).
     *
     * @static
     * @memberOf _
     * @since 3.1.0
     * @category String
     * @param {string} [string=''] The string to convert.
     * @returns {string} Returns the start cased string.
     * @example
     *
     * _.startCase('--foo-bar--');
     * // => 'Foo Bar'
     *
     * _.startCase('fooBar');
     * // => 'Foo Bar'
     *
     * _.startCase('__FOO_BAR__');
     * // => 'FOO BAR'
     */
    var startCase = createCompounder(function(result, word, index) {
      return result + (index ? ' ' : '') + upperFirst(word);
    });

    /**
     * Checks if `string` starts with the given target string.
     *
     * @static
     * @memberOf _
     * @since 3.0.0
     * @category String
     * @param {string} [string=''] The string to inspect.
     * @param {string} [target] The string to search for.
     * @param {number} [position=0] The position to search from.
     * @returns {boolean} Returns `true` if `string` starts with `target`,
     *  else `false`.
     * @example
     *
     * _.startsWith('abc', 'a');
     * // => true
     *
     * _.startsWith('abc', 'b');
     * // => false
     *
     * _.startsWith('abc', 'b', 1);
     * // => true
     */
    function startsWith(string, target, position) {
      string = toString(string);
      position = position == null
        ? 0
        : baseClamp(toInteger(position), 0, string.length);

      target = baseToString(target);
      return string.slice(position, position + target.length) == target;
    }

    /**
     * Creates a compiled template function that can interpolate data properties
     * in "interpolate" delimiters, HTML-escape interpolated data properties in
     * "escape" delimiters, and execute JavaScript in "evaluate" delimiters. Data
     * properties may be accessed as free variables in the template. If a setting
     * object is given, it takes precedence over `_.templateSettings` values.
     *
     * **Note:** In the development build `_.template` utilizes
     * [sourceURLs](http://www.html5rocks.com/en/tutorials/developertools/sourcemaps/#toc-sourceurl)
     * for easier debugging.
     *
     * For more information on precompiling templates see
     * [lodash's custom builds documentation](https://lodash.com/custom-builds).
     *
     * For more information on Chrome extension sandboxes see
     * [Chrome's extensions documentation](https://developer.chrome.com/extensions/sandboxingEval).
     *
     * @static
     * @since 0.1.0
     * @memberOf _
     * @category String
     * @param {string} [string=''] The template string.
     * @param {Object} [options={}] The options object.
     * @param {RegExp} [options.escape=_.templateSettings.escape]
     *  The HTML "escape" delimiter.
     * @param {RegExp} [options.evaluate=_.templateSettings.evaluate]
     *  The "evaluate" delimiter.
     * @param {Object} [options.imports=_.templateSettings.imports]
     *  An object to import into the template as free variables.
     * @param {RegExp} [options.interpolate=_.templateSettings.interpolate]
     *  The "interpolate" delimiter.
     * @param {string} [options.sourceURL='lodash.templateSources[n]']
     *  The sourceURL of the compiled template.
     * @param {string} [options.variable='obj']
     *  The data object variable name.
     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.
     * @returns {Function} Returns the compiled template function.
     * @example
     *
     * // Use the "interpolate" delimiter to create a compiled template.
     * var compiled = _.template('hello <%= user %>!');
     * compiled({ 'user': 'fred' });
     * // => 'hello fred!'
     *
     * // Use the HTML "escape" delimiter to escape data property values.
     * var compiled = _.template('<b><%- value %></b>');
     * compiled({ 'value': '<script>' });
     * // => '<b>&lt;script&gt;</b>'
     *
     * // Use the "evaluate" delimiter to execute JavaScript and generate HTML.
     * var compiled = _.template('<% _.forEach(users, function(user) { %><li><%- user %></li><% }); %>');
     * compiled({ 'users': ['fred', 'barney'] });
     * // => '<li>fred</li><li>barney</li>'
     *
     * // Use the internal `print` function in "evaluate" delimiters.
     * var compiled = _.template('<% print("hello " + user); %>!');
     * compiled({ 'user': 'barney' });
     * // => 'hello barney!'
     *
     * // Use the ES template literal delimiter as an "interpolate" delimiter.
     * // Disable support by replacing the "interpolate" delimiter.
     * var compiled = _.template('hello ${ user }!');
     * compiled({ 'user': 'pebbles' });
     * // => 'hello pebbles!'
     *
     * // Use backslashes to treat delimiters as plain text.
     * var compiled = _.template('<%= "\\<%- value %\\>" %>');
     * compiled({ 'value': 'ignored' });
     * // => '<%- value %>'
     *
     * // Use the `imports` option to import `jQuery` as `jq`.
     * var text = '<% jq.each(users, function(user) { %><li><%- user %></li><% }); %>';
     * var compiled = _.template(text, { 'imports': { 'jq': jQuery } });
     * compiled({ 'users': ['fred', 'barney'] });
     * // => '<li>fred</li><li>barney</li>'
     *
     * // Use the `sourceURL` option to specify a custom sourceURL for the template.
     * var compiled = _.template('hello <%= user %>!', { 'sourceURL': '/basic/greeting.jst' });
     * compiled(data);
     * // => Find the source of "greeting.jst" under the Sources tab or Resources panel of the web inspector.
     *
     * // Use the `variable` option to ensure a with-statement isn't used in the compiled template.
     * var compiled = _.template('hi <%= data.user %>!', { 'variable': 'data' });
     * compiled.source;
     * // => function(data) {
     * //   var __t, __p = '';
     * //   __p += 'hi ' + ((__t = ( data.user )) == null ? '' : __t) + '!';
     * //   return __p;
     * // }
     *
     * // Use custom template delimiters.
     * _.templateSettings.interpolate = /{{([\s\S]+?)}}/g;
     * var compiled = _.template('hello {{ user }}!');
     * compiled({ 'user': 'mustache' });
     * // => 'hello mustache!'
     *
     * // Use the `source` property to inline compiled templates for meaningful
     * // line numbers in error messages and stack traces.
     * fs.writeFileSync(path.join(process.cwd(), 'jst.js'), '\
     *   var JST = {\
     *     "main": ' + _.template(mainText).source + '\
     *   };\
     * ');
     */
    function template(string, options, guard) {
      // Based on John Resig's `tmpl` implementation
      // (http://ejohn.org/blog/javascript-micro-templating/)
      // and Laura Doktorova's doT.js (https://github.com/olado/doT).
      var settings = lodash.templateSettings;

      if (guard && isIterateeCall(string, options, guard)) {
        options = undefined;
      }
      string = toString(string);
      options = assignInWith({}, options, settings, customDefaultsAssignIn);

      var imports = assignInWith({}, options.imports, settings.imports, customDefaultsAssignIn),
          importsKeys = keys(imports),
          importsValues = baseValues(imports, importsKeys);

      var isEscaping,
          isEvaluating,
          index = 0,
          interpolate = options.interpolate || reNoMatch,
          source = "__p += '";

      // Compile the regexp to match each delimiter.
      var reDelimiters = RegExp(
        (options.escape || reNoMatch).source + '|' +
        interpolate.source + '|' +
        (interpolate === reInterpolate ? reEsTemplate : reNoMatch).source + '|' +
        (options.evaluate || reNoMatch).source + '|$'
      , 'g');

      // Use a sourceURL for easier debugging.
      // The sourceURL gets injected into the source that's eval-ed, so be careful
      // to normalize all kinds of whitespace, so e.g. newlines (and unicode versions of it) can't sneak in
      // and escape the comment, thus injecting code that gets evaled.
      var sourceURL = '//# sourceURL=' +
        (hasOwnProperty.call(options, 'sourceURL')
          ? (options.sourceURL + '').replace(/\s/g, ' ')
          : ('lodash.templateSources[' + (++templateCounter) + ']')
        ) + '\n';

      string.replace(reDelimiters, function(match, escapeValue, interpolateValue, esTemplateValue, evaluateValue, offset) {
        interpolateValue || (interpolateValue = esTemplateValue);

        // Escape characters that can't be included in string literals.
        source += string.slice(index, offset).replace(reUnescapedString, escapeStringChar);

        // Replace delimiters with snippets.
        if (escapeValue) {
          isEscaping = true;
          source += "' +\n__e(" + escapeValue + ") +\n'";
        }
        if (evaluateValue) {
          isEvaluating = true;
          source += "';\n" + evaluateValue + ";\n__p += '";
        }
        if (interpolateValue) {
          source += "' +\n((__t = (" + interpolateValue + ")) == null ? '' : __t) +\n'";
        }
        index = offset + match.length;

        // The JS engine embedded in Adobe products needs `match` returned in
        // order to produce the correct `offset` value.
        return match;
      });

      source += "';\n";

      // If `variable` is not specified wrap a with-statement around the generated
      // code to add the data object to the top of the scope chain.
      var variable = hasOwnProperty.call(options, 'variable') && options.variable;
      if (!variable) {
        source = 'with (obj) {\n' + source + '\n}\n';
      }
      // Throw an error if a forbidden character was found in `variable`, to prevent
      // potential command injection attacks.
      else if (reForbiddenIdentifierChars.test(variable)) {
        throw new Error(INVALID_TEMPL_VAR_ERROR_TEXT);
      }

      // Cleanup code by stripping empty strings.
      source = (isEvaluating ? source.replace(reEmptyStringLeading, '') : source)
        .replace(reEmptyStringMiddle, '$1')
        .replace(reEmptyStringTrailing, '$1;');

      // Frame code as the function body.
      source = 'function(' + (variable || 'obj') + ') {\n' +
        (variable
          ? ''
          : 'obj || (obj = {});\n'
        ) +
        "var __t, __p = ''" +
        (isEscaping
           ? ', __e = _.escape'
           : ''
        ) +
        (isEvaluating
          ? ', __j = Array.prototype.join;\n' +
            "function print() { __p += __j.call(arguments, '') }\n"
          : ';\n'
        ) +
        source +
        'return __p\n}';

      var result = attempt(function() {
        return Function(importsKeys, sourceURL + 'return ' + source)
          .apply(undefined, importsValues);
      });

      // Provide the compiled function's source by its `toString` method or
      // the `source` property as a convenience for inlining compiled templates.
      result.source = source;
      if (isError(result)) {
        throw result;
      }
      return result;
    }

    /**
     * Converts `string`, as a whole, to lower case just like
     * [String#toLowerCase](https://mdn.io/toLowerCase).
     *
     * @static
     * @memberOf _
     * @since 4.0.0
     * @category String
     * @param {string} [string=''] The string to convert.
     * @returns {string} Returns the lower cased string.
     * @example
     *
     * _.toLower('--Foo-Bar--');
     * // => '--foo-bar--'
     *
     * _.toLower('fooBar');
     * // => 'foobar'
     *
     * _.toLower('__FOO_BAR__');
     * // => '__foo_bar__'
     */
    function toLower(value) {
      return toString(value).toLowerCase();
    }

    /**
     * Converts `string`, as a whole, to upper case just like
     * [String#toUpperCase](https://mdn.io/toUpperCase).
     *
     * @static
     * @memberOf _
     * @since 4.0.0
     * @category String
     * @param {string} [string=''] The string to convert.
     * @returns {string} Returns the upper cased string.
     * @example
     *
     * _.toUpper('--foo-bar--');
     * // => '--FOO-BAR--'
     *
     * _.toUpper('fooBar');
     * // => 'FOOBAR'
     *
     * _.toUpper('__foo_bar__');
     * // => '__FOO_BAR__'
     */
    function toUpper(value) {
      return toString(value).toUpperCase();
    }

    /**
     * Removes leading and trailing whitespace or specified characters from `string`.
     *
     * @static
     * @memberOf _
     * @since 3.0.0
     * @category String
     * @param {string} [string=''] The string to trim.
     * @param {string} [chars=whitespace] The characters to trim.
     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.
     * @returns {string} Returns the trimmed string.
     * @example
     *
     * _.trim('  abc  ');
     * // => 'abc'
     *
     * _.trim('-_-abc-_-', '_-');
     * // => 'abc'
     *
     * _.map(['  foo  ', '  bar  '], _.trim);
     * // => ['foo', 'bar']
     */
    function trim(string, chars, guard) {
      string = toString(string);
      if (string && (guard || chars === undefined)) {
        return baseTrim(string);
      }
      if (!string || !(chars = baseToString(chars))) {
        return string;
      }
      var strSymbols = stringToArray(string),
          chrSymbols = stringToArray(chars),
          start = charsStartIndex(strSymbols, chrSymbols),
          end = charsEndIndex(strSymbols, chrSymbols) + 1;

      return castSlice(strSymbols, start, end).join('');
    }

    /**
     * Removes trailing whitespace or specified characters from `string`.
     *
     * @static
     * @memberOf _
     * @since 4.0.0
     * @category String
     * @param {string} [string=''] The string to trim.
     * @param {string} [chars=whitespace] The characters to trim.
     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.
     * @returns {string} Returns the trimmed string.
     * @example
     *
     * _.trimEnd('  abc  ');
     * // => '  abc'
     *
     * _.trimEnd('-_-abc-_-', '_-');
     * // => '-_-abc'
     */
    function trimEnd(string, chars, guard) {
      string = toString(string);
      if (string && (guard || chars === undefined)) {
        return string.slice(0, trimmedEndIndex(string) + 1);
      }
      if (!string || !(chars = baseToString(chars))) {
        return string;
      }
      var strSymbols = stringToArray(string),
          end = charsEndIndex(strSymbols, stringToArray(chars)) + 1;

      return castSlice(strSymbols, 0, end).join('');
    }

    /**
     * Removes leading whitespace or specified characters from `string`.
     *
     * @static
     * @memberOf _
     * @since 4.0.0
     * @category String
     * @param {string} [string=''] The string to trim.
     * @param {string} [chars=whitespace] The characters to trim.
     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.
     * @returns {string} Returns the trimmed string.
     * @example
     *
     * _.trimStart('  abc  ');
     * // => 'abc  '
     *
     * _.trimStart('-_-abc-_-', '_-');
     * // => 'abc-_-'
     */
    function trimStart(string, chars, guard) {
      string = toString(string);
      if (string && (guard || chars === undefined)) {
        return string.replace(reTrimStart, '');
      }
      if (!string || !(chars = baseToString(chars))) {
        return string;
      }
      var strSymbols = stringToArray(string),
          start = charsStartIndex(strSymbols, stringToArray(chars));

      return castSlice(strSymbols, start).join('');
    }

    /**
     * Truncates `string` if it's longer than the given maximum string length.
     * The last characters of the truncated string are replaced with the omission
     * string which defaults to "...".
     *
     * @static
     * @memberOf _
     * @since 4.0.0
     * @category String
     * @param {string} [string=''] The string to truncate.
     * @param {Object} [options={}] The options object.
     * @param {number} [options.length=30] The maximum string length.
     * @param {string} [options.omission='...'] The string to indicate text is omitted.
     * @param {RegExp|string} [options.separator] The separator pattern to truncate to.
     * @returns {string} Returns the truncated string.
     * @example
     *
     * _.truncate('hi-diddly-ho there, neighborino');
     * // => 'hi-diddly-ho there, neighbo...'
     *
     * _.truncate('hi-diddly-ho there, neighborino', {
     *   'length': 24,
     *   'separator': ' '
     * });
     * // => 'hi-diddly-ho there,...'
     *
     * _.truncate('hi-diddly-ho there, neighborino', {
     *   'length': 24,
     *   'separator': /,? +/
     * });
     * // => 'hi-diddly-ho there...'
     *
     * _.truncate('hi-diddly-ho there, neighborino', {
     *   'omission': ' [...]'
     * });
     * // => 'hi-diddly-ho there, neig [...]'
     */
    function truncate(string, options) {
      var length = DEFAULT_TRUNC_LENGTH,
          omission = DEFAULT_TRUNC_OMISSION;

      if (isObject(options)) {
        var separator = 'separator' in options ? options.separator : separator;
        length = 'length' in options ? toInteger(options.length) : length;
        omission = 'omission' in options ? baseToString(options.omission) : omission;
      }
      string = toString(string);

      var strLength = string.length;
      if (hasUnicode(string)) {
        var strSymbols = stringToArray(string);
        strLength = strSymbols.length;
      }
      if (length >= strLength) {
        return string;
      }
      var end = length - stringSize(omission);
      if (end < 1) {
        return omission;
      }
      var result = strSymbols
        ? castSlice(strSymbols, 0, end).join('')
        : string.slice(0, end);

      if (separator === undefined) {
        return result + omission;
      }
      if (strSymbols) {
        end += (result.length - end);
      }
      if (isRegExp(separator)) {
        if (string.slice(end).search(separator)) {
          var match,
              substring = result;

          if (!separator.global) {
            separator = RegExp(separator.source, toString(reFlags.exec(separator)) + 'g');
          }
          separator.lastIndex = 0;
          while ((match = separator.exec(substring))) {
            var newEnd = match.index;
          }
          result = result.slice(0, newEnd === undefined ? end : newEnd);
        }
      } else if (string.indexOf(baseToString(separator), end) != end) {
        var index = result.lastIndexOf(separator);
        if (index > -1) {
          result = result.slice(0, index);
        }
      }
      return result + omission;
    }

    /**
     * The inverse of `_.escape`; this method converts the HTML entities
     * `&amp;`, `&lt;`, `&gt;`, `&quot;`, and `&#39;` in `string` to
     * their corresponding characters.
     *
     * **Note:** No other HTML entities are unescaped. To unescape additional
     * HTML entities use a third-party library like [_he_](https://mths.be/he).
     *
     * @static
     * @memberOf _
     * @since 0.6.0
     * @category String
     * @param {string} [string=''] The string to unescape.
     * @returns {string} Returns the unescaped string.
     * @example
     *
     * _.unescape('fred, barney, &amp; pebbles');
     * // => 'fred, barney, & pebbles'
     */
    function unescape(string) {
      string = toString(string);
      return (string && reHasEscapedHtml.test(string))
        ? string.replace(reEscapedHtml, unescapeHtmlChar)
        : string;
    }

    /**
     * Converts `string`, as space separated words, to upper case.
     *
     * @static
     * @memberOf _
     * @since 4.0.0
     * @category String
     * @param {string} [string=''] The string to convert.
     * @returns {string} Returns the upper cased string.
     * @example
     *
     * _.upperCase('--foo-bar');
     * // => 'FOO BAR'
     *
     * _.upperCase('fooBar');
     * // => 'FOO BAR'
     *
     * _.upperCase('__foo_bar__');
     * // => 'FOO BAR'
     */
    var upperCase = createCompounder(function(result, word, index) {
      return result + (index ? ' ' : '') + word.toUpperCase();
    });

    /**
     * Converts the first character of `string` to upper case.
     *
     * @static
     * @memberOf _
     * @since 4.0.0
     * @category String
     * @param {string} [string=''] The string to convert.
     * @returns {string} Returns the converted string.
     * @example
     *
     * _.upperFirst('fred');
     * // => 'Fred'
     *
     * _.upperFirst('FRED');
     * // => 'FRED'
     */
    var upperFirst = createCaseFirst('toUpperCase');

    /**
     * Splits `string` into an array of its words.
     *
     * @static
     * @memberOf _
     * @since 3.0.0
     * @category String
     * @param {string} [string=''] The string to inspect.
     * @param {RegExp|string} [pattern] The pattern to match words.
     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.
     * @returns {Array} Returns the words of `string`.
     * @example
     *
     * _.words('fred, barney, & pebbles');
     * // => ['fred', 'barney', 'pebbles']
     *
     * _.words('fred, barney, & pebbles', /[^, ]+/g);
     * // => ['fred', 'barney', '&', 'pebbles']
     */
    function words(string, pattern, guard) {
      string = toString(string);
      pattern = guard ? undefined : pattern;

      if (pattern === undefined) {
        return hasUnicodeWord(string) ? unicodeWords(string) : asciiWords(string);
      }
      return string.match(pattern) || [];
    }

    /*------------------------------------------------------------------------*/

    /**
     * Attempts to invoke `func`, returning either the result or the caught error
     * object. Any additional arguments are provided to `func` when it's invoked.
     *
     * @static
     * @memberOf _
     * @since 3.0.0
     * @category Util
     * @param {Function} func The function to attempt.
     * @param {...*} [args] The arguments to invoke `func` with.
     * @returns {*} Returns the `func` result or error object.
     * @example
     *
     * // Avoid throwing errors for invalid selectors.
     * var elements = _.attempt(function(selector) {
     *   return document.querySelectorAll(selector);
     * }, '>_>');
     *
     * if (_.isError(elements)) {
     *   elements = [];
     * }
     */
    var attempt = baseRest(function(func, args) {
      try {
        return apply(func, undefined, args);
      } catch (e) {
        return isError(e) ? e : new Error(e);
      }
    });

    /**
     * Binds methods of an object to the object itself, overwriting the existing
     * method.
     *
     * **Note:** This method doesn't set the "length" property of bound functions.
     *
     * @static
     * @since 0.1.0
     * @memberOf _
     * @category Util
     * @param {Object} object The object to bind and assign the bound methods to.
     * @param {...(string|string[])} methodNames The object method names to bind.
     * @returns {Object} Returns `object`.
     * @example
     *
     * var view = {
     *   'label': 'docs',
     *   'click': function() {
     *     console.log('clicked ' + this.label);
     *   }
     * };
     *
     * _.bindAll(view, ['click']);
     * jQuery(element).on('click', view.click);
     * // => Logs 'clicked docs' when clicked.
     */
    var bindAll = flatRest(function(object, methodNames) {
      arrayEach(methodNames, function(key) {
        key = toKey(key);
        baseAssignValue(object, key, bind(object[key], object));
      });
      return object;
    });

    /**
     * Creates a function that iterates over `pairs` and invokes the corresponding
     * function of the first predicate to return truthy. The predicate-function
     * pairs are invoked with the `this` binding and arguments of the created
     * function.
     *
     * @static
     * @memberOf _
     * @since 4.0.0
     * @category Util
     * @param {Array} pairs The predicate-function pairs.
     * @returns {Function} Returns the new composite function.
     * @example
     *
     * var func = _.cond([
     *   [_.matches({ 'a': 1 }),           _.constant('matches A')],
     *   [_.conforms({ 'b': _.isNumber }), _.constant('matches B')],
     *   [_.stubTrue,                      _.constant('no match')]
     * ]);
     *
     * func({ 'a': 1, 'b': 2 });
     * // => 'matches A'
     *
     * func({ 'a': 0, 'b': 1 });
     * // => 'matches B'
     *
     * func({ 'a': '1', 'b': '2' });
     * // => 'no match'
     */
    function cond(pairs) {
      var length = pairs == null ? 0 : pairs.length,
          toIteratee = getIteratee();

      pairs = !length ? [] : arrayMap(pairs, function(pair) {
        if (typeof pair[1] != 'function') {
          throw new TypeError(FUNC_ERROR_TEXT);
        }
        return [toIteratee(pair[0]), pair[1]];
      });

      return baseRest(function(args) {
        var index = -1;
        while (++index < length) {
          var pair = pairs[index];
          if (apply(pair[0], this, args)) {
            return apply(pair[1], this, args);
          }
        }
      });
    }

    /**
     * Creates a function that invokes the predicate properties of `source` with
     * the corresponding property values of a given object, returning `true` if
     * all predicates return truthy, else `false`.
     *
     * **Note:** The created function is equivalent to `_.conformsTo` with
     * `source` partially applied.
     *
     * @static
     * @memberOf _
     * @since 4.0.0
     * @category Util
     * @param {Object} source The object of property predicates to conform to.
     * @returns {Function} Returns the new spec function.
     * @example
     *
     * var objects = [
     *   { 'a': 2, 'b': 1 },
     *   { 'a': 1, 'b': 2 }
     * ];
     *
     * _.filter(objects, _.conforms({ 'b': function(n) { return n > 1; } }));
     * // => [{ 'a': 1, 'b': 2 }]
     */
    function conforms(source) {
      return baseConforms(baseClone(source, CLONE_DEEP_FLAG));
    }

    /**
     * Creates a function that returns `value`.
     *
     * @static
     * @memberOf _
     * @since 2.4.0
     * @category Util
     * @param {*} value The value to return from the new function.
     * @returns {Function} Returns the new constant function.
     * @example
     *
     * var objects = _.times(2, _.constant({ 'a': 1 }));
     *
     * console.log(objects);
     * // => [{ 'a': 1 }, { 'a': 1 }]
     *
     * console.log(objects[0] === objects[1]);
     * // => true
     */
    function constant(value) {
      return function() {
        return value;
      };
    }

    /**
     * Checks `value` to determine whether a default value should be returned in
     * its place. The `defaultValue` is returned if `value` is `NaN`, `null`,
     * or `undefined`.
     *
     * @static
     * @memberOf _
     * @since 4.14.0
     * @category Util
     * @param {*} value The value to check.
     * @param {*} defaultValue The default value.
     * @returns {*} Returns the resolved value.
     * @example
     *
     * _.defaultTo(1, 10);
     * // => 1
     *
     * _.defaultTo(undefined, 10);
     * // => 10
     */
    function defaultTo(value, defaultValue) {
      return (value == null || value !== value) ? defaultValue : value;
    }

    /**
     * Creates a function that returns the result of invoking the given functions
     * with the `this` binding of the created function, where each successive
     * invocation is supplied the return value of the previous.
     *
     * @static
     * @memberOf _
     * @since 3.0.0
     * @category Util
     * @param {...(Function|Function[])} [funcs] The functions to invoke.
     * @returns {Function} Returns the new composite function.
     * @see _.flowRight
     * @example
     *
     * function square(n) {
     *   return n * n;
     * }
     *
     * var addSquare = _.flow([_.add, square]);
     * addSquare(1, 2);
     * // => 9
     */
    var flow = createFlow();

    /**
     * This method is like `_.flow` except that it creates a function that
     * invokes the given functions from right to left.
     *
     * @static
     * @since 3.0.0
     * @memberOf _
     * @category Util
     * @param {...(Function|Function[])} [funcs] The functions to invoke.
     * @returns {Function} Returns the new composite function.
     * @see _.flow
     * @example
     *
     * function square(n) {
     *   return n * n;
     * }
     *
     * var addSquare = _.flowRight([square, _.add]);
     * addSquare(1, 2);
     * // => 9
     */
    var flowRight = createFlow(true);

    /**
     * This method returns the first argument it receives.
     *
     * @static
     * @since 0.1.0
     * @memberOf _
     * @category Util
     * @param {*} value Any value.
     * @returns {*} Returns `value`.
     * @example
     *
     * var object = { 'a': 1 };
     *
     * console.log(_.identity(object) === object);
     * // => true
     */
    function identity(value) {
      return value;
    }

    /**
     * Creates a function that invokes `func` with the arguments of the created
     * function. If `func` is a property name, the created function returns the
     * property value for a given element. If `func` is an array or object, the
     * created function returns `true` for elements that contain the equivalent
     * source properties, otherwise it returns `false`.
     *
     * @static
     * @since 4.0.0
     * @memberOf _
     * @category Util
     * @param {*} [func=_.identity] The value to convert to a callback.
     * @returns {Function} Returns the callback.
     * @example
     *
     * var users = [
     *   { 'user': 'barney', 'age': 36, 'active': true },
     *   { 'user': 'fred',   'age': 40, 'active': false }
     * ];
     *
     * // The `_.matches` iteratee shorthand.
     * _.filter(users, _.iteratee({ 'user': 'barney', 'active': true }));
     * // => [{ 'user': 'barney', 'age': 36, 'active': true }]
     *
     * // The `_.matchesProperty` iteratee shorthand.
     * _.filter(users, _.iteratee(['user', 'fred']));
     * // => [{ 'user': 'fred', 'age': 40 }]
     *
     * // The `_.property` iteratee shorthand.
     * _.map(users, _.iteratee('user'));
     * // => ['barney', 'fred']
     *
     * // Create custom iteratee shorthands.
     * _.iteratee = _.wrap(_.iteratee, function(iteratee, func) {
     *   return !_.isRegExp(func) ? iteratee(func) : function(string) {
     *     return func.test(string);
     *   };
     * });
     *
     * _.filter(['abc', 'def'], /ef/);
     * // => ['def']
     */
    function iteratee(func) {
      return baseIteratee(typeof func == 'function' ? func : baseClone(func, CLONE_DEEP_FLAG));
    }

    /**
     * Creates a function that performs a partial deep comparison between a given
     * object and `source`, returning `true` if the given object has equivalent
     * property values, else `false`.
     *
     * **Note:** The created function is equivalent to `_.isMatch` with `source`
     * partially applied.
     *
     * Partial comparisons will match empty array and empty object `source`
     * values against any array or object value, respectively. See `_.isEqual`
     * for a list of supported value comparisons.
     *
     * **Note:** Multiple values can be checked by combining several matchers
     * using `_.overSome`
     *
     * @static
     * @memberOf _
     * @since 3.0.0
     * @category Util
     * @param {Object} source The object of property values to match.
     * @returns {Function} Returns the new spec function.
     * @example
     *
     * var objects = [
     *   { 'a': 1, 'b': 2, 'c': 3 },
     *   { 'a': 4, 'b': 5, 'c': 6 }
     * ];
     *
     * _.filter(objects, _.matches({ 'a': 4, 'c': 6 }));
     * // => [{ 'a': 4, 'b': 5, 'c': 6 }]
     *
     * // Checking for several possible values
     * _.filter(objects, _.overSome([_.matches({ 'a': 1 }), _.matches({ 'a': 4 })]));
     * // => [{ 'a': 1, 'b': 2, 'c': 3 }, { 'a': 4, 'b': 5, 'c': 6 }]
     */
    function matches(source) {
      return baseMatches(baseClone(source, CLONE_DEEP_FLAG));
    }

    /**
     * Creates a function that performs a partial deep comparison between the
     * value at `path` of a given object to `srcValue`, returning `true` if the
     * object value is equivalent, else `false`.
     *
     * **Note:** Partial comparisons will match empty array and empty object
     * `srcValue` values against any array or object value, respectively. See
     * `_.isEqual` for a list of supported value comparisons.
     *
     * **Note:** Multiple values can be checked by combining several matchers
     * using `_.overSome`
     *
     * @static
     * @memberOf _
     * @since 3.2.0
     * @category Util
     * @param {Array|string} path The path of the property to get.
     * @param {*} srcValue The value to match.
     * @returns {Function} Returns the new spec function.
     * @example
     *
     * var objects = [
     *   { 'a': 1, 'b': 2, 'c': 3 },
     *   { 'a': 4, 'b': 5, 'c': 6 }
     * ];
     *
     * _.find(objects, _.matchesProperty('a', 4));
     * // => { 'a': 4, 'b': 5, 'c': 6 }
     *
     * // Checking for several possible values
     * _.filter(objects, _.overSome([_.matchesProperty('a', 1), _.matchesProperty('a', 4)]));
     * // => [{ 'a': 1, 'b': 2, 'c': 3 }, { 'a': 4, 'b': 5, 'c': 6 }]
     */
    function matchesProperty(path, srcValue) {
      return baseMatchesProperty(path, baseClone(srcValue, CLONE_DEEP_FLAG));
    }

    /**
     * Creates a function that invokes the method at `path` of a given object.
     * Any additional arguments are provided to the invoked method.
     *
     * @static
     * @memberOf _
     * @since 3.7.0
     * @category Util
     * @param {Array|string} path The path of the method to invoke.
     * @param {...*} [args] The arguments to invoke the method with.
     * @returns {Function} Returns the new invoker function.
     * @example
     *
     * var objects = [
     *   { 'a': { 'b': _.constant(2) } },
     *   { 'a': { 'b': _.constant(1) } }
     * ];
     *
     * _.map(objects, _.method('a.b'));
     * // => [2, 1]
     *
     * _.map(objects, _.method(['a', 'b']));
     * // => [2, 1]
     */
    var method = baseRest(function(path, args) {
      return function(object) {
        return baseInvoke(object, path, args);
      };
    });

    /**
     * The opposite of `_.method`; this method creates a function that invokes
     * the method at a given path of `object`. Any additional arguments are
     * provided to the invoked method.
     *
     * @static
     * @memberOf _
     * @since 3.7.0
     * @category Util
     * @param {Object} object The object to query.
     * @param {...*} [args] The arguments to invoke the method with.
     * @returns {Function} Returns the new invoker function.
     * @example
     *
     * var array = _.times(3, _.constant),
     *     object = { 'a': array, 'b': array, 'c': array };
     *
     * _.map(['a[2]', 'c[0]'], _.methodOf(object));
     * // => [2, 0]
     *
     * _.map([['a', '2'], ['c', '0']], _.methodOf(object));
     * // => [2, 0]
     */
    var methodOf = baseRest(function(object, args) {
      return function(path) {
        return baseInvoke(object, path, args);
      };
    });

    /**
     * Adds all own enumerable string keyed function properties of a source
     * object to the destination object. If `object` is a function, then methods
     * are added to its prototype as well.
     *
     * **Note:** Use `_.runInContext` to create a pristine `lodash` function to
     * avoid conflicts caused by modifying the original.
     *
     * @static
     * @since 0.1.0
     * @memberOf _
     * @category Util
     * @param {Function|Object} [object=lodash] The destination object.
     * @param {Object} source The object of functions to add.
     * @param {Object} [options={}] The options object.
     * @param {boolean} [options.chain=true] Specify whether mixins are chainable.
     * @returns {Function|Object} Returns `object`.
     * @example
     *
     * function vowels(string) {
     *   return _.filter(string, function(v) {
     *     return /[aeiou]/i.test(v);
     *   });
     * }
     *
     * _.mixin({ 'vowels': vowels });
     * _.vowels('fred');
     * // => ['e']
     *
     * _('fred').vowels().value();
     * // => ['e']
     *
     * _.mixin({ 'vowels': vowels }, { 'chain': false });
     * _('fred').vowels();
     * // => ['e']
     */
    function mixin(object, source, options) {
      var props = keys(source),
          methodNames = baseFunctions(source, props);

      if (options == null &&
          !(isObject(source) && (methodNames.length || !props.length))) {
        options = source;
        source = object;
        object = this;
        methodNames = baseFunctions(source, keys(source));
      }
      var chain = !(isObject(options) && 'chain' in options) || !!options.chain,
          isFunc = isFunction(object);

      arrayEach(methodNames, function(methodName) {
        var func = source[methodName];
        object[methodName] = func;
        if (isFunc) {
          object.prototype[methodName] = function() {
            var chainAll = this.__chain__;
            if (chain || chainAll) {
              var result = object(this.__wrapped__),
                  actions = result.__actions__ = copyArray(this.__actions__);

              actions.push({ 'func': func, 'args': arguments, 'thisArg': object });
              result.__chain__ = chainAll;
              return result;
            }
            return func.apply(object, arrayPush([this.value()], arguments));
          };
        }
      });

      return object;
    }

    /**
     * Reverts the `_` variable to its previous value and returns a reference to
     * the `lodash` function.
     *
     * @static
     * @since 0.1.0
     * @memberOf _
     * @category Util
     * @returns {Function} Returns the `lodash` function.
     * @example
     *
     * var lodash = _.noConflict();
     */
    function noConflict() {
      if (root._ === this) {
        root._ = oldDash;
      }
      return this;
    }

    /**
     * This method returns `undefined`.
     *
     * @static
     * @memberOf _
     * @since 2.3.0
     * @category Util
     * @example
     *
     * _.times(2, _.noop);
     * // => [undefined, undefined]
     */
    function noop() {
      // No operation performed.
    }

    /**
     * Creates a function that gets the argument at index `n`. If `n` is negative,
     * the nth argument from the end is returned.
     *
     * @static
     * @memberOf _
     * @since 4.0.0
     * @category Util
     * @param {number} [n=0] The index of the argument to return.
     * @returns {Function} Returns the new pass-thru function.
     * @example
     *
     * var func = _.nthArg(1);
     * func('a', 'b', 'c', 'd');
     * // => 'b'
     *
     * var func = _.nthArg(-2);
     * func('a', 'b', 'c', 'd');
     * // => 'c'
     */
    function nthArg(n) {
      n = toInteger(n);
      return baseRest(function(args) {
        return baseNth(args, n);
      });
    }

    /**
     * Creates a function that invokes `iteratees` with the arguments it receives
     * and returns their results.
     *
     * @static
     * @memberOf _
     * @since 4.0.0
     * @category Util
     * @param {...(Function|Function[])} [iteratees=[_.identity]]
     *  The iteratees to invoke.
     * @returns {Function} Returns the new function.
     * @example
     *
     * var func = _.over([Math.max, Math.min]);
     *
     * func(1, 2, 3, 4);
     * // => [4, 1]
     */
    var over = createOver(arrayMap);

    /**
     * Creates a function that checks if **all** of the `predicates` return
     * truthy when invoked with the arguments it receives.
     *
     * Following shorthands are possible for providing predicates.
     * Pass an `Object` and it will be used as an parameter for `_.matches` to create the predicate.
     * Pass an `Array` of parameters for `_.matchesProperty` and the predicate will be created using them.
     *
     * @static
     * @memberOf _
     * @since 4.0.0
     * @category Util
     * @param {...(Function|Function[])} [predicates=[_.identity]]
     *  The predicates to check.
     * @returns {Function} Returns the new function.
     * @example
     *
     * var func = _.overEvery([Boolean, isFinite]);
     *
     * func('1');
     * // => true
     *
     * func(null);
     * // => false
     *
     * func(NaN);
     * // => false
     */
    var overEvery = createOver(arrayEvery);

    /**
     * Creates a function that checks if **any** of the `predicates` return
     * truthy when invoked with the arguments it receives.
     *
     * Following shorthands are possible for providing predicates.
     * Pass an `Object` and it will be used as an parameter for `_.matches` to create the predicate.
     * Pass an `Array` of parameters for `_.matchesProperty` and the predicate will be created using them.
     *
     * @static
     * @memberOf _
     * @since 4.0.0
     * @category Util
     * @param {...(Function|Function[])} [predicates=[_.identity]]
     *  The predicates to check.
     * @returns {Function} Returns the new function.
     * @example
     *
     * var func = _.overSome([Boolean, isFinite]);
     *
     * func('1');
     * // => true
     *
     * func(null);
     * // => true
     *
     * func(NaN);
     * // => false
     *
     * var matchesFunc = _.overSome([{ 'a': 1 }, { 'a': 2 }])
     * var matchesPropertyFunc = _.overSome([['a', 1], ['a', 2]])
     */
    var overSome = createOver(arraySome);

    /**
     * Creates a function that returns the value at `path` of a given object.
     *
     * @static
     * @memberOf _
     * @since 2.4.0
     * @category Util
     * @param {Array|string} path The path of the property to get.
     * @returns {Function} Returns the new accessor function.
     * @example
     *
     * var objects = [
     *   { 'a': { 'b': 2 } },
     *   { 'a': { 'b': 1 } }
     * ];
     *
     * _.map(objects, _.property('a.b'));
     * // => [2, 1]
     *
     * _.map(_.sortBy(objects, _.property(['a', 'b'])), 'a.b');
     * // => [1, 2]
     */
    function property(path) {
      return isKey(path) ? baseProperty(toKey(path)) : basePropertyDeep(path);
    }

    /**
     * The opposite of `_.property`; this method creates a function that returns
     * the value at a given path of `object`.
     *
     * @static
     * @memberOf _
     * @since 3.0.0
     * @category Util
     * @param {Object} object The object to query.
     * @returns {Function} Returns the new accessor function.
     * @example
     *
     * var array = [0, 1, 2],
     *     object = { 'a': array, 'b': array, 'c': array };
     *
     * _.map(['a[2]', 'c[0]'], _.propertyOf(object));
     * // => [2, 0]
     *
     * _.map([['a', '2'], ['c', '0']], _.propertyOf(object));
     * // => [2, 0]
     */
    function propertyOf(object) {
      return function(path) {
        return object == null ? undefined : baseGet(object, path);
      };
    }

    /**
     * Creates an array of numbers (positive and/or negative) progressing from
     * `start` up to, but not including, `end`. A step of `-1` is used if a negative
     * `start` is specified without an `end` or `step`. If `end` is not specified,
     * it's set to `start` with `start` then set to `0`.
     *
     * **Note:** JavaScript follows the IEEE-754 standard for resolving
     * floating-point values which can produce unexpected results.
     *
     * @static
     * @since 0.1.0
     * @memberOf _
     * @category Util
     * @param {number} [start=0] The start of the range.
     * @param {number} end The end of the range.
     * @param {number} [step=1] The value to increment or decrement by.
     * @returns {Array} Returns the range of numbers.
     * @see _.inRange, _.rangeRight
     * @example
     *
     * _.range(4);
     * // => [0, 1, 2, 3]
     *
     * _.range(-4);
     * // => [0, -1, -2, -3]
     *
     * _.range(1, 5);
     * // => [1, 2, 3, 4]
     *
     * _.range(0, 20, 5);
     * // => [0, 5, 10, 15]
     *
     * _.range(0, -4, -1);
     * // => [0, -1, -2, -3]
     *
     * _.range(1, 4, 0);
     * // => [1, 1, 1]
     *
     * _.range(0);
     * // => []
     */
    var range = createRange();

    /**
     * This method is like `_.range` except that it populates values in
     * descending order.
     *
     * @static
     * @memberOf _
     * @since 4.0.0
     * @category Util
     * @param {number} [start=0] The start of the range.
     * @param {number} end The end of the range.
     * @param {number} [step=1] The value to increment or decrement by.
     * @returns {Array} Returns the range of numbers.
     * @see _.inRange, _.range
     * @example
     *
     * _.rangeRight(4);
     * // => [3, 2, 1, 0]
     *
     * _.rangeRight(-4);
     * // => [-3, -2, -1, 0]
     *
     * _.rangeRight(1, 5);
     * // => [4, 3, 2, 1]
     *
     * _.rangeRight(0, 20, 5);
     * // => [15, 10, 5, 0]
     *
     * _.rangeRight(0, -4, -1);
     * // => [-3, -2, -1, 0]
     *
     * _.rangeRight(1, 4, 0);
     * // => [1, 1, 1]
     *
     * _.rangeRight(0);
     * // => []
     */
    var rangeRight = createRange(true);

    /**
     * This method returns a new empty array.
     *
     * @static
     * @memberOf _
     * @since 4.13.0
     * @category Util
     * @returns {Array} Returns the new empty array.
     * @example
     *
     * var arrays = _.times(2, _.stubArray);
     *
     * console.log(arrays);
     * // => [[], []]
     *
     * console.log(arrays[0] === arrays[1]);
     * // => false
     */
    function stubArray() {
      return [];
    }

    /**
     * This method returns `false`.
     *
     * @static
     * @memberOf _
     * @since 4.13.0
     * @category Util
     * @returns {boolean} Returns `false`.
     * @example
     *
     * _.times(2, _.stubFalse);
     * // => [false, false]
     */
    function stubFalse() {
      return false;
    }

    /**
     * This method returns a new empty object.
     *
     * @static
     * @memberOf _
     * @since 4.13.0
     * @category Util
     * @returns {Object} Returns the new empty object.
     * @example
     *
     * var objects = _.times(2, _.stubObject);
     *
     * console.log(objects);
     * // => [{}, {}]
     *
     * console.log(objects[0] === objects[1]);
     * // => false
     */
    function stubObject() {
      return {};
    }

    /**
     * This method returns an empty string.
     *
     * @static
     * @memberOf _
     * @since 4.13.0
     * @category Util
     * @returns {string} Returns the empty string.
     * @example
     *
     * _.times(2, _.stubString);
     * // => ['', '']
     */
    function stubString() {
      return '';
    }

    /**
     * This method returns `true`.
     *
     * @static
     * @memberOf _
     * @since 4.13.0
     * @category Util
     * @returns {boolean} Returns `true`.
     * @example
     *
     * _.times(2, _.stubTrue);
     * // => [true, true]
     */
    function stubTrue() {
      return true;
    }

    /**
     * Invokes the iteratee `n` times, returning an array of the results of
     * each invocation. The iteratee is invoked with one argument; (index).
     *
     * @static
     * @since 0.1.0
     * @memberOf _
     * @category Util
     * @param {number} n The number of times to invoke `iteratee`.
     * @param {Function} [iteratee=_.identity] The function invoked per iteration.
     * @returns {Array} Returns the array of results.
     * @example
     *
     * _.times(3, String);
     * // => ['0', '1', '2']
     *
     *  _.times(4, _.constant(0));
     * // => [0, 0, 0, 0]
     */
    function times(n, iteratee) {
      n = toInteger(n);
      if (n < 1 || n > MAX_SAFE_INTEGER) {
        return [];
      }
      var index = MAX_ARRAY_LENGTH,
          length = nativeMin(n, MAX_ARRAY_LENGTH);

      iteratee = getIteratee(iteratee);
      n -= MAX_ARRAY_LENGTH;

      var result = baseTimes(length, iteratee);
      while (++index < n) {
        iteratee(index);
      }
      return result;
    }

    /**
     * Converts `value` to a property path array.
     *
     * @static
     * @memberOf _
     * @since 4.0.0
     * @category Util
     * @param {*} value The value to convert.
     * @returns {Array} Returns the new property path array.
     * @example
     *
     * _.toPath('a.b.c');
     * // => ['a', 'b', 'c']
     *
     * _.toPath('a[0].b.c');
     * // => ['a', '0', 'b', 'c']
     */
    function toPath(value) {
      if (isArray(value)) {
        return arrayMap(value, toKey);
      }
      return isSymbol(value) ? [value] : copyArray(stringToPath(toString(value)));
    }

    /**
     * Generates a unique ID. If `prefix` is given, the ID is appended to it.
     *
     * @static
     * @since 0.1.0
     * @memberOf _
     * @category Util
     * @param {string} [prefix=''] The value to prefix the ID with.
     * @returns {string} Returns the unique ID.
     * @example
     *
     * _.uniqueId('contact_');
     * // => 'contact_104'
     *
     * _.uniqueId();
     * // => '105'
     */
    function uniqueId(prefix) {
      var id = ++idCounter;
      return toString(prefix) + id;
    }

    /*------------------------------------------------------------------------*/

    /**
     * Adds two numbers.
     *
     * @static
     * @memberOf _
     * @since 3.4.0
     * @category Math
     * @param {number} augend The first number in an addition.
     * @param {number} addend The second number in an addition.
     * @returns {number} Returns the total.
     * @example
     *
     * _.add(6, 4);
     * // => 10
     */
    var add = createMathOperation(function(augend, addend) {
      return augend + addend;
    }, 0);

    /**
     * Computes `number` rounded up to `precision`.
     *
     * @static
     * @memberOf _
     * @since 3.10.0
     * @category Math
     * @param {number} number The number to round up.
     * @param {number} [precision=0] The precision to round up to.
     * @returns {number} Returns the rounded up number.
     * @example
     *
     * _.ceil(4.006);
     * // => 5
     *
     * _.ceil(6.004, 2);
     * // => 6.01
     *
     * _.ceil(6040, -2);
     * // => 6100
     */
    var ceil = createRound('ceil');

    /**
     * Divide two numbers.
     *
     * @static
     * @memberOf _
     * @since 4.7.0
     * @category Math
     * @param {number} dividend The first number in a division.
     * @param {number} divisor The second number in a division.
     * @returns {number} Returns the quotient.
     * @example
     *
     * _.divide(6, 4);
     * // => 1.5
     */
    var divide = createMathOperation(function(dividend, divisor) {
      return dividend / divisor;
    }, 1);

    /**
     * Computes `number` rounded down to `precision`.
     *
     * @static
     * @memberOf _
     * @since 3.10.0
     * @category Math
     * @param {number} number The number to round down.
     * @param {number} [precision=0] The precision to round down to.
     * @returns {number} Returns the rounded down number.
     * @example
     *
     * _.floor(4.006);
     * // => 4
     *
     * _.floor(0.046, 2);
     * // => 0.04
     *
     * _.floor(4060, -2);
     * // => 4000
     */
    var floor = createRound('floor');

    /**
     * Computes the maximum value of `array`. If `array` is empty or falsey,
     * `undefined` is returned.
     *
     * @static
     * @since 0.1.0
     * @memberOf _
     * @category Math
     * @param {Array} array The array to iterate over.
     * @returns {*} Returns the maximum value.
     * @example
     *
     * _.max([4, 2, 8, 6]);
     * // => 8
     *
     * _.max([]);
     * // => undefined
     */
    function max(array) {
      return (array && array.length)
        ? baseExtremum(array, identity, baseGt)
        : undefined;
    }

    /**
     * This method is like `_.max` except that it accepts `iteratee` which is
     * invoked for each element in `array` to generate the criterion by which
     * the value is ranked. The iteratee is invoked with one argument: (value).
     *
     * @static
     * @memberOf _
     * @since 4.0.0
     * @category Math
     * @param {Array} array The array to iterate over.
     * @param {Function} [iteratee=_.identity] The iteratee invoked per element.
     * @returns {*} Returns the maximum value.
     * @example
     *
     * var objects = [{ 'n': 1 }, { 'n': 2 }];
     *
     * _.maxBy(objects, function(o) { return o.n; });
     * // => { 'n': 2 }
     *
     * // The `_.property` iteratee shorthand.
     * _.maxBy(objects, 'n');
     * // => { 'n': 2 }
     */
    function maxBy(array, iteratee) {
      return (array && array.length)
        ? baseExtremum(array, getIteratee(iteratee, 2), baseGt)
        : undefined;
    }

    /**
     * Computes the mean of the values in `array`.
     *
     * @static
     * @memberOf _
     * @since 4.0.0
     * @category Math
     * @param {Array} array The array to iterate over.
     * @returns {number} Returns the mean.
     * @example
     *
     * _.mean([4, 2, 8, 6]);
     * // => 5
     */
    function mean(array) {
      return baseMean(array, identity);
    }

    /**
     * This method is like `_.mean` except that it accepts `iteratee` which is
     * invoked for each element in `array` to generate the value to be averaged.
     * The iteratee is invoked with one argument: (value).
     *
     * @static
     * @memberOf _
     * @since 4.7.0
     * @category Math
     * @param {Array} array The array to iterate over.
     * @param {Function} [iteratee=_.identity] The iteratee invoked per element.
     * @returns {number} Returns the mean.
     * @example
     *
     * var objects = [{ 'n': 4 }, { 'n': 2 }, { 'n': 8 }, { 'n': 6 }];
     *
     * _.meanBy(objects, function(o) { return o.n; });
     * // => 5
     *
     * // The `_.property` iteratee shorthand.
     * _.meanBy(objects, 'n');
     * // => 5
     */
    function meanBy(array, iteratee) {
      return baseMean(array, getIteratee(iteratee, 2));
    }

    /**
     * Computes the minimum value of `array`. If `array` is empty or falsey,
     * `undefined` is returned.
     *
     * @static
     * @since 0.1.0
     * @memberOf _
     * @category Math
     * @param {Array} array The array to iterate over.
     * @returns {*} Returns the minimum value.
     * @example
     *
     * _.min([4, 2, 8, 6]);
     * // => 2
     *
     * _.min([]);
     * // => undefined
     */
    function min(array) {
      return (array && array.length)
        ? baseExtremum(array, identity, baseLt)
        : undefined;
    }

    /**
     * This method is like `_.min` except that it accepts `iteratee` which is
     * invoked for each element in `array` to generate the criterion by which
     * the value is ranked. The iteratee is invoked with one argument: (value).
     *
     * @static
     * @memberOf _
     * @since 4.0.0
     * @category Math
     * @param {Array} array The array to iterate over.
     * @param {Function} [iteratee=_.identity] The iteratee invoked per element.
     * @returns {*} Returns the minimum value.
     * @example
     *
     * var objects = [{ 'n': 1 }, { 'n': 2 }];
     *
     * _.minBy(objects, function(o) { return o.n; });
     * // => { 'n': 1 }
     *
     * // The `_.property` iteratee shorthand.
     * _.minBy(objects, 'n');
     * // => { 'n': 1 }
     */
    function minBy(array, iteratee) {
      return (array && array.length)
        ? baseExtremum(array, getIteratee(iteratee, 2), baseLt)
        : undefined;
    }

    /**
     * Multiply two numbers.
     *
     * @static
     * @memberOf _
     * @since 4.7.0
     * @category Math
     * @param {number} multiplier The first number in a multiplication.
     * @param {number} multiplicand The second number in a multiplication.
     * @returns {number} Returns the product.
     * @example
     *
     * _.multiply(6, 4);
     * // => 24
     */
    var multiply = createMathOperation(function(multiplier, multiplicand) {
      return multiplier * multiplicand;
    }, 1);

    /**
     * Computes `number` rounded to `precision`.
     *
     * @static
     * @memberOf _
     * @since 3.10.0
     * @category Math
     * @param {number} number The number to round.
     * @param {number} [precision=0] The precision to round to.
     * @returns {number} Returns the rounded number.
     * @example
     *
     * _.round(4.006);
     * // => 4
     *
     * _.round(4.006, 2);
     * // => 4.01
     *
     * _.round(4060, -2);
     * // => 4100
     */
    var round = createRound('round');

    /**
     * Subtract two numbers.
     *
     * @static
     * @memberOf _
     * @since 4.0.0
     * @category Math
     * @param {number} minuend The first number in a subtraction.
     * @param {number} subtrahend The second number in a subtraction.
     * @returns {number} Returns the difference.
     * @example
     *
     * _.subtract(6, 4);
     * // => 2
     */
    var subtract = createMathOperation(function(minuend, subtrahend) {
      return minuend - subtrahend;
    }, 0);

    /**
     * Computes the sum of the values in `array`.
     *
     * @static
     * @memberOf _
     * @since 3.4.0
     * @category Math
     * @param {Array} array The array to iterate over.
     * @returns {number} Returns the sum.
     * @example
     *
     * _.sum([4, 2, 8, 6]);
     * // => 20
     */
    function sum(array) {
      return (array && array.length)
        ? baseSum(array, identity)
        : 0;
    }

    /**
     * This method is like `_.sum` except that it accepts `iteratee` which is
     * invoked for each element in `array` to generate the value to be summed.
     * The iteratee is invoked with one argument: (value).
     *
     * @static
     * @memberOf _
     * @since 4.0.0
     * @category Math
     * @param {Array} array The array to iterate over.
     * @param {Function} [iteratee=_.identity] The iteratee invoked per element.
     * @returns {number} Returns the sum.
     * @example
     *
     * var objects = [{ 'n': 4 }, { 'n': 2 }, { 'n': 8 }, { 'n': 6 }];
     *
     * _.sumBy(objects, function(o) { return o.n; });
     * // => 20
     *
     * // The `_.property` iteratee shorthand.
     * _.sumBy(objects, 'n');
     * // => 20
     */
    function sumBy(array, iteratee) {
      return (array && array.length)
        ? baseSum(array, getIteratee(iteratee, 2))
        : 0;
    }

    /*------------------------------------------------------------------------*/

    // Add methods that return wrapped values in chain sequences.
    lodash.after = after;
    lodash.ary = ary;
    lodash.assign = assign;
    lodash.assignIn = assignIn;
    lodash.assignInWith = assignInWith;
    lodash.assignWith = assignWith;
    lodash.at = at;
    lodash.before = before;
    lodash.bind = bind;
    lodash.bindAll = bindAll;
    lodash.bindKey = bindKey;
    lodash.castArray = castArray;
    lodash.chain = chain;
    lodash.chunk = chunk;
    lodash.compact = compact;
    lodash.concat = concat;
    lodash.cond = cond;
    lodash.conforms = conforms;
    lodash.constant = constant;
    lodash.countBy = countBy;
    lodash.create = create;
    lodash.curry = curry;
    lodash.curryRight = curryRight;
    lodash.debounce = debounce;
    lodash.defaults = defaults;
    lodash.defaultsDeep = defaultsDeep;
    lodash.defer = defer;
    lodash.delay = delay;
    lodash.difference = difference;
    lodash.differenceBy = differenceBy;
    lodash.differenceWith = differenceWith;
    lodash.drop = drop;
    lodash.dropRight = dropRight;
    lodash.dropRightWhile = dropRightWhile;
    lodash.dropWhile = dropWhile;
    lodash.fill = fill;
    lodash.filter = filter;
    lodash.flatMap = flatMap;
    lodash.flatMapDeep = flatMapDeep;
    lodash.flatMapDepth = flatMapDepth;
    lodash.flatten = flatten;
    lodash.flattenDeep = flattenDeep;
    lodash.flattenDepth = flattenDepth;
    lodash.flip = flip;
    lodash.flow = flow;
    lodash.flowRight = flowRight;
    lodash.fromPairs = fromPairs;
    lodash.functions = functions;
    lodash.functionsIn = functionsIn;
    lodash.groupBy = groupBy;
    lodash.initial = initial;
    lodash.intersection = intersection;
    lodash.intersectionBy = intersectionBy;
    lodash.intersectionWith = intersectionWith;
    lodash.invert = invert;
    lodash.invertBy = invertBy;
    lodash.invokeMap = invokeMap;
    lodash.iteratee = iteratee;
    lodash.keyBy = keyBy;
    lodash.keys = keys;
    lodash.keysIn = keysIn;
    lodash.map = map;
    lodash.mapKeys = mapKeys;
    lodash.mapValues = mapValues;
    lodash.matches = matches;
    lodash.matchesProperty = matchesProperty;
    lodash.memoize = memoize;
    lodash.merge = merge;
    lodash.mergeWith = mergeWith;
    lodash.method = method;
    lodash.methodOf = methodOf;
    lodash.mixin = mixin;
    lodash.negate = negate;
    lodash.nthArg = nthArg;
    lodash.omit = omit;
    lodash.omitBy = omitBy;
    lodash.once = once;
    lodash.orderBy = orderBy;
    lodash.over = over;
    lodash.overArgs = overArgs;
    lodash.overEvery = overEvery;
    lodash.overSome = overSome;
    lodash.partial = partial;
    lodash.partialRight = partialRight;
    lodash.partition = partition;
    lodash.pick = pick;
    lodash.pickBy = pickBy;
    lodash.property = property;
    lodash.propertyOf = propertyOf;
    lodash.pull = pull;
    lodash.pullAll = pullAll;
    lodash.pullAllBy = pullAllBy;
    lodash.pullAllWith = pullAllWith;
    lodash.pullAt = pullAt;
    lodash.range = range;
    lodash.rangeRight = rangeRight;
    lodash.rearg = rearg;
    lodash.reject = reject;
    lodash.remove = remove;
    lodash.rest = rest;
    lodash.reverse = reverse;
    lodash.sampleSize = sampleSize;
    lodash.set = set;
    lodash.setWith = setWith;
    lodash.shuffle = shuffle;
    lodash.slice = slice;
    lodash.sortBy = sortBy;
    lodash.sortedUniq = sortedUniq;
    lodash.sortedUniqBy = sortedUniqBy;
    lodash.split = split;
    lodash.spread = spread;
    lodash.tail = tail;
    lodash.take = take;
    lodash.takeRight = takeRight;
    lodash.takeRightWhile = takeRightWhile;
    lodash.takeWhile = takeWhile;
    lodash.tap = tap;
    lodash.throttle = throttle;
    lodash.thru = thru;
    lodash.toArray = toArray;
    lodash.toPairs = toPairs;
    lodash.toPairsIn = toPairsIn;
    lodash.toPath = toPath;
    lodash.toPlainObject = toPlainObject;
    lodash.transform = transform;
    lodash.unary = unary;
    lodash.union = union;
    lodash.unionBy = unionBy;
    lodash.unionWith = unionWith;
    lodash.uniq = uniq;
    lodash.uniqBy = uniqBy;
    lodash.uniqWith = uniqWith;
    lodash.unset = unset;
    lodash.unzip = unzip;
    lodash.unzipWith = unzipWith;
    lodash.update = update;
    lodash.updateWith = updateWith;
    lodash.values = values;
    lodash.valuesIn = valuesIn;
    lodash.without = without;
    lodash.words = words;
    lodash.wrap = wrap;
    lodash.xor = xor;
    lodash.xorBy = xorBy;
    lodash.xorWith = xorWith;
    lodash.zip = zip;
    lodash.zipObject = zipObject;
    lodash.zipObjectDeep = zipObjectDeep;
    lodash.zipWith = zipWith;

    // Add aliases.
    lodash.entries = toPairs;
    lodash.entriesIn = toPairsIn;
    lodash.extend = assignIn;
    lodash.extendWith = assignInWith;

    // Add methods to `lodash.prototype`.
    mixin(lodash, lodash);

    /*------------------------------------------------------------------------*/

    // Add methods that return unwrapped values in chain sequences.
    lodash.add = add;
    lodash.attempt = attempt;
    lodash.camelCase = camelCase;
    lodash.capitalize = capitalize;
    lodash.ceil = ceil;
    lodash.clamp = clamp;
    lodash.clone = clone;
    lodash.cloneDeep = cloneDeep;
    lodash.cloneDeepWith = cloneDeepWith;
    lodash.cloneWith = cloneWith;
    lodash.conformsTo = conformsTo;
    lodash.deburr = deburr;
    lodash.defaultTo = defaultTo;
    lodash.divide = divide;
    lodash.endsWith = endsWith;
    lodash.eq = eq;
    lodash.escape = escape;
    lodash.escapeRegExp = escapeRegExp;
    lodash.every = every;
    lodash.find = find;
    lodash.findIndex = findIndex;
    lodash.findKey = findKey;
    lodash.findLast = findLast;
    lodash.findLastIndex = findLastIndex;
    lodash.findLastKey = findLastKey;
    lodash.floor = floor;
    lodash.forEach = forEach;
    lodash.forEachRight = forEachRight;
    lodash.forIn = forIn;
    lodash.forInRight = forInRight;
    lodash.forOwn = forOwn;
    lodash.forOwnRight = forOwnRight;
    lodash.get = get;
    lodash.gt = gt;
    lodash.gte = gte;
    lodash.has = has;
    lodash.hasIn = hasIn;
    lodash.head = head;
    lodash.identity = identity;
    lodash.includes = includes;
    lodash.indexOf = indexOf;
    lodash.inRange = inRange;
    lodash.invoke = invoke;
    lodash.isArguments = isArguments;
    lodash.isArray = isArray;
    lodash.isArrayBuffer = isArrayBuffer;
    lodash.isArrayLike = isArrayLike;
    lodash.isArrayLikeObject = isArrayLikeObject;
    lodash.isBoolean = isBoolean;
    lodash.isBuffer = isBuffer;
    lodash.isDate = isDate;
    lodash.isElement = isElement;
    lodash.isEmpty = isEmpty;
    lodash.isEqual = isEqual;
    lodash.isEqualWith = isEqualWith;
    lodash.isError = isError;
    lodash.isFinite = isFinite;
    lodash.isFunction = isFunction;
    lodash.isInteger = isInteger;
    lodash.isLength = isLength;
    lodash.isMap = isMap;
    lodash.isMatch = isMatch;
    lodash.isMatchWith = isMatchWith;
    lodash.isNaN = isNaN;
    lodash.isNative = isNative;
    lodash.isNil = isNil;
    lodash.isNull = isNull;
    lodash.isNumber = isNumber;
    lodash.isObject = isObject;
    lodash.isObjectLike = isObjectLike;
    lodash.isPlainObject = isPlainObject;
    lodash.isRegExp = isRegExp;
    lodash.isSafeInteger = isSafeInteger;
    lodash.isSet = isSet;
    lodash.isString = isString;
    lodash.isSymbol = isSymbol;
    lodash.isTypedArray = isTypedArray;
    lodash.isUndefined = isUndefined;
    lodash.isWeakMap = isWeakMap;
    lodash.isWeakSet = isWeakSet;
    lodash.join = join;
    lodash.kebabCase = kebabCase;
    lodash.last = last;
    lodash.lastIndexOf = lastIndexOf;
    lodash.lowerCase = lowerCase;
    lodash.lowerFirst = lowerFirst;
    lodash.lt = lt;
    lodash.lte = lte;
    lodash.max = max;
    lodash.maxBy = maxBy;
    lodash.mean = mean;
    lodash.meanBy = meanBy;
    lodash.min = min;
    lodash.minBy = minBy;
    lodash.stubArray = stubArray;
    lodash.stubFalse = stubFalse;
    lodash.stubObject = stubObject;
    lodash.stubString = stubString;
    lodash.stubTrue = stubTrue;
    lodash.multiply = multiply;
    lodash.nth = nth;
    lodash.noConflict = noConflict;
    lodash.noop = noop;
    lodash.now = now;
    lodash.pad = pad;
    lodash.padEnd = padEnd;
    lodash.padStart = padStart;
    lodash.parseInt = parseInt;
    lodash.random = random;
    lodash.reduce = reduce;
    lodash.reduceRight = reduceRight;
    lodash.repeat = repeat;
    lodash.replace = replace;
    lodash.result = result;
    lodash.round = round;
    lodash.runInContext = runInContext;
    lodash.sample = sample;
    lodash.size = size;
    lodash.snakeCase = snakeCase;
    lodash.some = some;
    lodash.sortedIndex = sortedIndex;
    lodash.sortedIndexBy = sortedIndexBy;
    lodash.sortedIndexOf = sortedIndexOf;
    lodash.sortedLastIndex = sortedLastIndex;
    lodash.sortedLastIndexBy = sortedLastIndexBy;
    lodash.sortedLastIndexOf = sortedLastIndexOf;
    lodash.startCase = startCase;
    lodash.startsWith = startsWith;
    lodash.subtract = subtract;
    lodash.sum = sum;
    lodash.sumBy = sumBy;
    lodash.template = template;
    lodash.times = times;
    lodash.toFinite = toFinite;
    lodash.toInteger = toInteger;
    lodash.toLength = toLength;
    lodash.toLower = toLower;
    lodash.toNumber = toNumber;
    lodash.toSafeInteger = toSafeInteger;
    lodash.toString = toString;
    lodash.toUpper = toUpper;
    lodash.trim = trim;
    lodash.trimEnd = trimEnd;
    lodash.trimStart = trimStart;
    lodash.truncate = truncate;
    lodash.unescape = unescape;
    lodash.uniqueId = uniqueId;
    lodash.upperCase = upperCase;
    lodash.upperFirst = upperFirst;

    // Add aliases.
    lodash.each = forEach;
    lodash.eachRight = forEachRight;
    lodash.first = head;

    mixin(lodash, (function() {
      var source = {};
      baseForOwn(lodash, function(func, methodName) {
        if (!hasOwnProperty.call(lodash.prototype, methodName)) {
          source[methodName] = func;
        }
      });
      return source;
    }()), { 'chain': false });

    /*------------------------------------------------------------------------*/

    /**
     * The semantic version number.
     *
     * @static
     * @memberOf _
     * @type {string}
     */
    lodash.VERSION = VERSION;

    // Assign default placeholders.
    arrayEach(['bind', 'bindKey', 'curry', 'curryRight', 'partial', 'partialRight'], function(methodName) {
      lodash[methodName].placeholder = lodash;
    });

    // Add `LazyWrapper` methods for `_.drop` and `_.take` variants.
    arrayEach(['drop', 'take'], function(methodName, index) {
      LazyWrapper.prototype[methodName] = function(n) {
        n = n === undefined ? 1 : nativeMax(toInteger(n), 0);

        var result = (this.__filtered__ && !index)
          ? new LazyWrapper(this)
          : this.clone();

        if (result.__filtered__) {
          result.__takeCount__ = nativeMin(n, result.__takeCount__);
        } else {
          result.__views__.push({
            'size': nativeMin(n, MAX_ARRAY_LENGTH),
            'type': methodName + (result.__dir__ < 0 ? 'Right' : '')
          });
        }
        return result;
      };

      LazyWrapper.prototype[methodName + 'Right'] = function(n) {
        return this.reverse()[methodName](n).reverse();
      };
    });

    // Add `LazyWrapper` methods that accept an `iteratee` value.
    arrayEach(['filter', 'map', 'takeWhile'], function(methodName, index) {
      var type = index + 1,
          isFilter = type == LAZY_FILTER_FLAG || type == LAZY_WHILE_FLAG;

      LazyWrapper.prototype[methodName] = function(iteratee) {
        var result = this.clone();
        result.__iteratees__.push({
          'iteratee': getIteratee(iteratee, 3),
          'type': type
        });
        result.__filtered__ = result.__filtered__ || isFilter;
        return result;
      };
    });

    // Add `LazyWrapper` methods for `_.head` and `_.last`.
    arrayEach(['head', 'last'], function(methodName, index) {
      var takeName = 'take' + (index ? 'Right' : '');

      LazyWrapper.prototype[methodName] = function() {
        return this[takeName](1).value()[0];
      };
    });

    // Add `LazyWrapper` methods for `_.initial` and `_.tail`.
    arrayEach(['initial', 'tail'], function(methodName, index) {
      var dropName = 'drop' + (index ? '' : 'Right');

      LazyWrapper.prototype[methodName] = function() {
        return this.__filtered__ ? new LazyWrapper(this) : this[dropName](1);
      };
    });

    LazyWrapper.prototype.compact = function() {
      return this.filter(identity);
    };

    LazyWrapper.prototype.find = function(predicate) {
      return this.filter(predicate).head();
    };

    LazyWrapper.prototype.findLast = function(predicate) {
      return this.reverse().find(predicate);
    };

    LazyWrapper.prototype.invokeMap = baseRest(function(path, args) {
      if (typeof path == 'function') {
        return new LazyWrapper(this);
      }
      return this.map(function(value) {
        return baseInvoke(value, path, args);
      });
    });

    LazyWrapper.prototype.reject = function(predicate) {
      return this.filter(negate(getIteratee(predicate)));
    };

    LazyWrapper.prototype.slice = function(start, end) {
      start = toInteger(start);

      var result = this;
      if (result.__filtered__ && (start > 0 || end < 0)) {
        return new LazyWrapper(result);
      }
      if (start < 0) {
        result = result.takeRight(-start);
      } else if (start) {
        result = result.drop(start);
      }
      if (end !== undefined) {
        end = toInteger(end);
        result = end < 0 ? result.dropRight(-end) : result.take(end - start);
      }
      return result;
    };

    LazyWrapper.prototype.takeRightWhile = function(predicate) {
      return this.reverse().takeWhile(predicate).reverse();
    };

    LazyWrapper.prototype.toArray = function() {
      return this.take(MAX_ARRAY_LENGTH);
    };

    // Add `LazyWrapper` methods to `lodash.prototype`.
    baseForOwn(LazyWrapper.prototype, function(func, methodName) {
      var checkIteratee = /^(?:filter|find|map|reject)|While$/.test(methodName),
          isTaker = /^(?:head|last)$/.test(methodName),
          lodashFunc = lodash[isTaker ? ('take' + (methodName == 'last' ? 'Right' : '')) : methodName],
          retUnwrapped = isTaker || /^find/.test(methodName);

      if (!lodashFunc) {
        return;
      }
      lodash.prototype[methodName] = function() {
        var value = this.__wrapped__,
            args = isTaker ? [1] : arguments,
            isLazy = value instanceof LazyWrapper,
            iteratee = args[0],
            useLazy = isLazy || isArray(value);

        var interceptor = function(value) {
          var result = lodashFunc.apply(lodash, arrayPush([value], args));
          return (isTaker && chainAll) ? result[0] : result;
        };

        if (useLazy && checkIteratee && typeof iteratee == 'function' && iteratee.length != 1) {
          // Avoid lazy use if the iteratee has a "length" value other than `1`.
          isLazy = useLazy = false;
        }
        var chainAll = this.__chain__,
            isHybrid = !!this.__actions__.length,
            isUnwrapped = retUnwrapped && !chainAll,
            onlyLazy = isLazy && !isHybrid;

        if (!retUnwrapped && useLazy) {
          value = onlyLazy ? value : new LazyWrapper(this);
          var result = func.apply(value, args);
          result.__actions__.push({ 'func': thru, 'args': [interceptor], 'thisArg': undefined });
          return new LodashWrapper(result, chainAll);
        }
        if (isUnwrapped && onlyLazy) {
          return func.apply(this, args);
        }
        result = this.thru(interceptor);
        return isUnwrapped ? (isTaker ? result.value()[0] : result.value()) : result;
      };
    });

    // Add `Array` methods to `lodash.prototype`.
    arrayEach(['pop', 'push', 'shift', 'sort', 'splice', 'unshift'], function(methodName) {
      var func = arrayProto[methodName],
          chainName = /^(?:push|sort|unshift)$/.test(methodName) ? 'tap' : 'thru',
          retUnwrapped = /^(?:pop|shift)$/.test(methodName);

      lodash.prototype[methodName] = function() {
        var args = arguments;
        if (retUnwrapped && !this.__chain__) {
          var value = this.value();
          return func.apply(isArray(value) ? value : [], args);
        }
        return this[chainName](function(value) {
          return func.apply(isArray(value) ? value : [], args);
        });
      };
    });

    // Map minified method names to their real names.
    baseForOwn(LazyWrapper.prototype, function(func, methodName) {
      var lodashFunc = lodash[methodName];
      if (lodashFunc) {
        var key = lodashFunc.name + '';
        if (!hasOwnProperty.call(realNames, key)) {
          realNames[key] = [];
        }
        realNames[key].push({ 'name': methodName, 'func': lodashFunc });
      }
    });

    realNames[createHybrid(undefined, WRAP_BIND_KEY_FLAG).name] = [{
      'name': 'wrapper',
      'func': undefined
    }];

    // Add methods to `LazyWrapper`.
    LazyWrapper.prototype.clone = lazyClone;
    LazyWrapper.prototype.reverse = lazyReverse;
    LazyWrapper.prototype.value = lazyValue;

    // Add chain sequence methods to the `lodash` wrapper.
    lodash.prototype.at = wrapperAt;
    lodash.prototype.chain = wrapperChain;
    lodash.prototype.commit = wrapperCommit;
    lodash.prototype.next = wrapperNext;
    lodash.prototype.plant = wrapperPlant;
    lodash.prototype.reverse = wrapperReverse;
    lodash.prototype.toJSON = lodash.prototype.valueOf = lodash.prototype.value = wrapperValue;

    // Add lazy aliases.
    lodash.prototype.first = lodash.prototype.head;

    if (symIterator) {
      lodash.prototype[symIterator] = wrapperToIterator;
    }
    return lodash;
  });

  /*--------------------------------------------------------------------------*/

  // Export lodash.
  var _ = runInContext();

  // Some AMD build optimizers, like r.js, check for condition patterns like:
  if (true) {
    // Expose Lodash on the global object to prevent errors when Lodash is
    // loaded by a script tag in the presence of an AMD loader.
    // See http://requirejs.org/docs/errors.html#mismatch for more details.
    // Use `_.noConflict` to remove Lodash from the global object.
    root._ = _;

    // Define as an anonymous module so, through path mapping, it can be
    // referenced as the "underscore" module.
    !(__WEBPACK_AMD_DEFINE_RESULT__ = (function() {
      return _;
    }).call(exports, __webpack_require__, exports, module),
		__WEBPACK_AMD_DEFINE_RESULT__ !== undefined && (module.exports = __WEBPACK_AMD_DEFINE_RESULT__));
  }
  // Check for `exports` after `define` in case a build optimizer adds it.
  else {}
}.call(this));


/***/ }),

/***/ 6215:
/*!****************************************************************!*\
  !*** ./node_modules/rxjs/_esm2015/internal/BehaviorSubject.js ***!
  \****************************************************************/
/***/ ((__unused_webpack_module, __webpack_exports__, __webpack_require__) => {

"use strict";
__webpack_require__.r(__webpack_exports__);
/* harmony export */ __webpack_require__.d(__webpack_exports__, {
/* harmony export */   "BehaviorSubject": () => (/* binding */ BehaviorSubject)
/* harmony export */ });
/* harmony import */ var _Subject__WEBPACK_IMPORTED_MODULE_0__ = __webpack_require__(/*! ./Subject */ 9765);
/* harmony import */ var _util_ObjectUnsubscribedError__WEBPACK_IMPORTED_MODULE_1__ = __webpack_require__(/*! ./util/ObjectUnsubscribedError */ 7971);


class BehaviorSubject extends _Subject__WEBPACK_IMPORTED_MODULE_0__.Subject {
    constructor(_value) {
        super();
        this._value = _value;
    }
    get value() {
        return this.getValue();
    }
    _subscribe(subscriber) {
        const subscription = super._subscribe(subscriber);
        if (subscription && !subscription.closed) {
            subscriber.next(this._value);
        }
        return subscription;
    }
    getValue() {
        if (this.hasError) {
            throw this.thrownError;
        }
        else if (this.closed) {
            throw new _util_ObjectUnsubscribedError__WEBPACK_IMPORTED_MODULE_1__.ObjectUnsubscribedError();
        }
        else {
            return this._value;
        }
    }
    next(value) {
        super.next(this._value = value);
    }
}
//# sourceMappingURL=BehaviorSubject.js.map

/***/ }),

/***/ 268:
/*!****************************************************************!*\
  !*** ./node_modules/rxjs/_esm2015/internal/InnerSubscriber.js ***!
  \****************************************************************/
/***/ ((__unused_webpack_module, __webpack_exports__, __webpack_require__) => {

"use strict";
__webpack_require__.r(__webpack_exports__);
/* harmony export */ __webpack_require__.d(__webpack_exports__, {
/* harmony export */   "InnerSubscriber": () => (/* binding */ InnerSubscriber)
/* harmony export */ });
/* harmony import */ var _Subscriber__WEBPACK_IMPORTED_MODULE_0__ = __webpack_require__(/*! ./Subscriber */ 7393);

class InnerSubscriber extends _Subscriber__WEBPACK_IMPORTED_MODULE_0__.Subscriber {
    constructor(parent, outerValue, outerIndex) {
        super();
        this.parent = parent;
        this.outerValue = outerValue;
        this.outerIndex = outerIndex;
        this.index = 0;
    }
    _next(value) {
        this.parent.notifyNext(this.outerValue, value, this.outerIndex, this.index++, this);
    }
    _error(error) {
        this.parent.notifyError(error, this);
        this.unsubscribe();
    }
    _complete() {
        this.parent.notifyComplete(this);
        this.unsubscribe();
    }
}
//# sourceMappingURL=InnerSubscriber.js.map

/***/ }),

/***/ 3098:
/*!*************************************************************!*\
  !*** ./node_modules/rxjs/_esm2015/internal/Notification.js ***!
  \*************************************************************/
/***/ ((__unused_webpack_module, __webpack_exports__, __webpack_require__) => {

"use strict";
__webpack_require__.r(__webpack_exports__);
/* harmony export */ __webpack_require__.d(__webpack_exports__, {
/* harmony export */   "NotificationKind": () => (/* binding */ NotificationKind),
/* harmony export */   "Notification": () => (/* binding */ Notification)
/* harmony export */ });
/* harmony import */ var _observable_empty__WEBPACK_IMPORTED_MODULE_2__ = __webpack_require__(/*! ./observable/empty */ 9193);
/* harmony import */ var _observable_of__WEBPACK_IMPORTED_MODULE_0__ = __webpack_require__(/*! ./observable/of */ 5917);
/* harmony import */ var _observable_throwError__WEBPACK_IMPORTED_MODULE_1__ = __webpack_require__(/*! ./observable/throwError */ 205);



var NotificationKind;
(function (NotificationKind) {
    NotificationKind["NEXT"] = "N";
    NotificationKind["ERROR"] = "E";
    NotificationKind["COMPLETE"] = "C";
})(NotificationKind || (NotificationKind = {}));
class Notification {
    constructor(kind, value, error) {
        this.kind = kind;
        this.value = value;
        this.error = error;
        this.hasValue = kind === 'N';
    }
    observe(observer) {
        switch (this.kind) {
            case 'N':
                return observer.next && observer.next(this.value);
            case 'E':
                return observer.error && observer.error(this.error);
            case 'C':
                return observer.complete && observer.complete();
        }
    }
    do(next, error, complete) {
        const kind = this.kind;
        switch (kind) {
            case 'N':
                return next && next(this.value);
            case 'E':
                return error && error(this.error);
            case 'C':
                return complete && complete();
        }
    }
    accept(nextOrObserver, error, complete) {
        if (nextOrObserver && typeof nextOrObserver.next === 'function') {
            return this.observe(nextOrObserver);
        }
        else {
            return this.do(nextOrObserver, error, complete);
        }
    }
    toObservable() {
        const kind = this.kind;
        switch (kind) {
            case 'N':
                return (0,_observable_of__WEBPACK_IMPORTED_MODULE_0__.of)(this.value);
            case 'E':
                return (0,_observable_throwError__WEBPACK_IMPORTED_MODULE_1__.throwError)(this.error);
            case 'C':
                return (0,_observable_empty__WEBPACK_IMPORTED_MODULE_2__.empty)();
        }
        throw new Error('unexpected notification kind value');
    }
    static createNext(value) {
        if (typeof value !== 'undefined') {
            return new Notification('N', value);
        }
        return Notification.undefinedValueNotification;
    }
    static createError(err) {
        return new Notification('E', undefined, err);
    }
    static createComplete() {
        return Notification.completeNotification;
    }
}
Notification.completeNotification = new Notification('C');
Notification.undefinedValueNotification = new Notification('N', undefined);
//# sourceMappingURL=Notification.js.map

/***/ }),

/***/ 9165:
/*!***********************************************************!*\
  !*** ./node_modules/rxjs/_esm2015/internal/Observable.js ***!
  \***********************************************************/
/***/ ((__unused_webpack_module, __webpack_exports__, __webpack_require__) => {

"use strict";
__webpack_require__.r(__webpack_exports__);
/* harmony export */ __webpack_require__.d(__webpack_exports__, {
/* harmony export */   "Observable": () => (/* binding */ Observable)
/* harmony export */ });
/* harmony import */ var _util_canReportError__WEBPACK_IMPORTED_MODULE_2__ = __webpack_require__(/*! ./util/canReportError */ 3179);
/* harmony import */ var _util_toSubscriber__WEBPACK_IMPORTED_MODULE_0__ = __webpack_require__(/*! ./util/toSubscriber */ 1821);
/* harmony import */ var _symbol_observable__WEBPACK_IMPORTED_MODULE_3__ = __webpack_require__(/*! ./symbol/observable */ 6554);
/* harmony import */ var _util_pipe__WEBPACK_IMPORTED_MODULE_4__ = __webpack_require__(/*! ./util/pipe */ 4022);
/* harmony import */ var _config__WEBPACK_IMPORTED_MODULE_1__ = __webpack_require__(/*! ./config */ 2494);





class Observable {
    constructor(subscribe) {
        this._isScalar = false;
        if (subscribe) {
            this._subscribe = subscribe;
        }
    }
    lift(operator) {
        const observable = new Observable();
        observable.source = this;
        observable.operator = operator;
        return observable;
    }
    subscribe(observerOrNext, error, complete) {
        const { operator } = this;
        const sink = (0,_util_toSubscriber__WEBPACK_IMPORTED_MODULE_0__.toSubscriber)(observerOrNext, error, complete);
        if (operator) {
            sink.add(operator.call(sink, this.source));
        }
        else {
            sink.add(this.source || (_config__WEBPACK_IMPORTED_MODULE_1__.config.useDeprecatedSynchronousErrorHandling && !sink.syncErrorThrowable) ?
                this._subscribe(sink) :
                this._trySubscribe(sink));
        }
        if (_config__WEBPACK_IMPORTED_MODULE_1__.config.useDeprecatedSynchronousErrorHandling) {
            if (sink.syncErrorThrowable) {
                sink.syncErrorThrowable = false;
                if (sink.syncErrorThrown) {
                    throw sink.syncErrorValue;
                }
            }
        }
        return sink;
    }
    _trySubscribe(sink) {
        try {
            return this._subscribe(sink);
        }
        catch (err) {
            if (_config__WEBPACK_IMPORTED_MODULE_1__.config.useDeprecatedSynchronousErrorHandling) {
                sink.syncErrorThrown = true;
                sink.syncErrorValue = err;
            }
            if ((0,_util_canReportError__WEBPACK_IMPORTED_MODULE_2__.canReportError)(sink)) {
                sink.error(err);
            }
            else {
                console.warn(err);
            }
        }
    }
    forEach(next, promiseCtor) {
        promiseCtor = getPromiseCtor(promiseCtor);
        return new promiseCtor((resolve, reject) => {
            let subscription;
            subscription = this.subscribe((value) => {
                try {
                    next(value);
                }
                catch (err) {
                    reject(err);
                    if (subscription) {
                        subscription.unsubscribe();
                    }
                }
            }, reject, resolve);
        });
    }
    _subscribe(subscriber) {
        const { source } = this;
        return source && source.subscribe(subscriber);
    }
    [_symbol_observable__WEBPACK_IMPORTED_MODULE_3__.observable]() {
        return this;
    }
    pipe(...operations) {
        if (operations.length === 0) {
            return this;
        }
        return (0,_util_pipe__WEBPACK_IMPORTED_MODULE_4__.pipeFromArray)(operations)(this);
    }
    toPromise(promiseCtor) {
        promiseCtor = getPromiseCtor(promiseCtor);
        return new promiseCtor((resolve, reject) => {
            let value;
            this.subscribe((x) => value = x, (err) => reject(err), () => resolve(value));
        });
    }
}
Observable.create = (subscribe) => {
    return new Observable(subscribe);
};
function getPromiseCtor(promiseCtor) {
    if (!promiseCtor) {
        promiseCtor = _config__WEBPACK_IMPORTED_MODULE_1__.config.Promise || Promise;
    }
    if (!promiseCtor) {
        throw new Error('no Promise impl found');
    }
    return promiseCtor;
}
//# sourceMappingURL=Observable.js.map

/***/ }),

/***/ 6490:
/*!*********************************************************!*\
  !*** ./node_modules/rxjs/_esm2015/internal/Observer.js ***!
  \*********************************************************/
/***/ ((__unused_webpack_module, __webpack_exports__, __webpack_require__) => {

"use strict";
__webpack_require__.r(__webpack_exports__);
/* harmony export */ __webpack_require__.d(__webpack_exports__, {
/* harmony export */   "empty": () => (/* binding */ empty)
/* harmony export */ });
/* harmony import */ var _config__WEBPACK_IMPORTED_MODULE_0__ = __webpack_require__(/*! ./config */ 2494);
/* harmony import */ var _util_hostReportError__WEBPACK_IMPORTED_MODULE_1__ = __webpack_require__(/*! ./util/hostReportError */ 4449);


const empty = {
    closed: true,
    next(value) { },
    error(err) {
        if (_config__WEBPACK_IMPORTED_MODULE_0__.config.useDeprecatedSynchronousErrorHandling) {
            throw err;
        }
        else {
            (0,_util_hostReportError__WEBPACK_IMPORTED_MODULE_1__.hostReportError)(err);
        }
    },
    complete() { }
};
//# sourceMappingURL=Observer.js.map

/***/ }),

/***/ 5197:
/*!****************************************************************!*\
  !*** ./node_modules/rxjs/_esm2015/internal/OuterSubscriber.js ***!
  \****************************************************************/
/***/ ((__unused_webpack_module, __webpack_exports__, __webpack_require__) => {

"use strict";
__webpack_require__.r(__webpack_exports__);
/* harmony export */ __webpack_require__.d(__webpack_exports__, {
/* harmony export */   "OuterSubscriber": () => (/* binding */ OuterSubscriber)
/* harmony export */ });
/* harmony import */ var _Subscriber__WEBPACK_IMPORTED_MODULE_0__ = __webpack_require__(/*! ./Subscriber */ 7393);

class OuterSubscriber extends _Subscriber__WEBPACK_IMPORTED_MODULE_0__.Subscriber {
    notifyNext(outerValue, innerValue, outerIndex, innerIndex, innerSub) {
        this.destination.next(innerValue);
    }
    notifyError(error, innerSub) {
        this.destination.error(error);
    }
    notifyComplete(innerSub) {
        this.destination.complete();
    }
}
//# sourceMappingURL=OuterSubscriber.js.map

/***/ }),

/***/ 8229:
/*!**************************************************************!*\
  !*** ./node_modules/rxjs/_esm2015/internal/ReplaySubject.js ***!
  \**************************************************************/
/***/ ((__unused_webpack_module, __webpack_exports__, __webpack_require__) => {

"use strict";
__webpack_require__.r(__webpack_exports__);
/* harmony export */ __webpack_require__.d(__webpack_exports__, {
/* harmony export */   "ReplaySubject": () => (/* binding */ ReplaySubject)
/* harmony export */ });
/* harmony import */ var _Subject__WEBPACK_IMPORTED_MODULE_0__ = __webpack_require__(/*! ./Subject */ 9765);
/* harmony import */ var _scheduler_queue__WEBPACK_IMPORTED_MODULE_5__ = __webpack_require__(/*! ./scheduler/queue */ 9661);
/* harmony import */ var _Subscription__WEBPACK_IMPORTED_MODULE_2__ = __webpack_require__(/*! ./Subscription */ 826);
/* harmony import */ var _operators_observeOn__WEBPACK_IMPORTED_MODULE_4__ = __webpack_require__(/*! ./operators/observeOn */ 9746);
/* harmony import */ var _util_ObjectUnsubscribedError__WEBPACK_IMPORTED_MODULE_1__ = __webpack_require__(/*! ./util/ObjectUnsubscribedError */ 7971);
/* harmony import */ var _SubjectSubscription__WEBPACK_IMPORTED_MODULE_3__ = __webpack_require__(/*! ./SubjectSubscription */ 8858);






class ReplaySubject extends _Subject__WEBPACK_IMPORTED_MODULE_0__.Subject {
    constructor(bufferSize = Number.POSITIVE_INFINITY, windowTime = Number.POSITIVE_INFINITY, scheduler) {
        super();
        this.scheduler = scheduler;
        this._events = [];
        this._infiniteTimeWindow = false;
        this._bufferSize = bufferSize < 1 ? 1 : bufferSize;
        this._windowTime = windowTime < 1 ? 1 : windowTime;
        if (windowTime === Number.POSITIVE_INFINITY) {
            this._infiniteTimeWindow = true;
            this.next = this.nextInfiniteTimeWindow;
        }
        else {
            this.next = this.nextTimeWindow;
        }
    }
    nextInfiniteTimeWindow(value) {
        if (!this.isStopped) {
            const _events = this._events;
            _events.push(value);
            if (_events.length > this._bufferSize) {
                _events.shift();
            }
        }
        super.next(value);
    }
    nextTimeWindow(value) {
        if (!this.isStopped) {
            this._events.push(new ReplayEvent(this._getNow(), value));
            this._trimBufferThenGetEvents();
        }
        super.next(value);
    }
    _subscribe(subscriber) {
        const _infiniteTimeWindow = this._infiniteTimeWindow;
        const _events = _infiniteTimeWindow ? this._events : this._trimBufferThenGetEvents();
        const scheduler = this.scheduler;
        const len = _events.length;
        let subscription;
        if (this.closed) {
            throw new _util_ObjectUnsubscribedError__WEBPACK_IMPORTED_MODULE_1__.ObjectUnsubscribedError();
        }
        else if (this.isStopped || this.hasError) {
            subscription = _Subscription__WEBPACK_IMPORTED_MODULE_2__.Subscription.EMPTY;
        }
        else {
            this.observers.push(subscriber);
            subscription = new _SubjectSubscription__WEBPACK_IMPORTED_MODULE_3__.SubjectSubscription(this, subscriber);
        }
        if (scheduler) {
            subscriber.add(subscriber = new _operators_observeOn__WEBPACK_IMPORTED_MODULE_4__.ObserveOnSubscriber(subscriber, scheduler));
        }
        if (_infiniteTimeWindow) {
            for (let i = 0; i < len && !subscriber.closed; i++) {
                subscriber.next(_events[i]);
            }
        }
        else {
            for (let i = 0; i < len && !subscriber.closed; i++) {
                subscriber.next(_events[i].value);
            }
        }
        if (this.hasError) {
            subscriber.error(this.thrownError);
        }
        else if (this.isStopped) {
            subscriber.complete();
        }
        return subscription;
    }
    _getNow() {
        return (this.scheduler || _scheduler_queue__WEBPACK_IMPORTED_MODULE_5__.queue).now();
    }
    _trimBufferThenGetEvents() {
        const now = this._getNow();
        const _bufferSize = this._bufferSize;
        const _windowTime = this._windowTime;
        const _events = this._events;
        const eventsCount = _events.length;
        let spliceCount = 0;
        while (spliceCount < eventsCount) {
            if ((now - _events[spliceCount].time) < _windowTime) {
                break;
            }
            spliceCount++;
        }
        if (eventsCount > _bufferSize) {
            spliceCount = Math.max(spliceCount, eventsCount - _bufferSize);
        }
        if (spliceCount > 0) {
            _events.splice(0, spliceCount);
        }
        return _events;
    }
}
class ReplayEvent {
    constructor(time, value) {
        this.time = time;
        this.value = value;
    }
}
//# sourceMappingURL=ReplaySubject.js.map

/***/ }),

/***/ 2217:
/*!**********************************************************!*\
  !*** ./node_modules/rxjs/_esm2015/internal/Scheduler.js ***!
  \**********************************************************/
/***/ ((__unused_webpack_module, __webpack_exports__, __webpack_require__) => {

"use strict";
__webpack_require__.r(__webpack_exports__);
/* harmony export */ __webpack_require__.d(__webpack_exports__, {
/* harmony export */   "Scheduler": () => (/* binding */ Scheduler)
/* harmony export */ });
class Scheduler {
    constructor(SchedulerAction, now = Scheduler.now) {
        this.SchedulerAction = SchedulerAction;
        this.now = now;
    }
    schedule(work, delay = 0, state) {
        return new this.SchedulerAction(this, work).schedule(state, delay);
    }
}
Scheduler.now = () => Date.now();
//# sourceMappingURL=Scheduler.js.map

/***/ }),

/***/ 9765:
/*!********************************************************!*\
  !*** ./node_modules/rxjs/_esm2015/internal/Subject.js ***!
  \********************************************************/
/***/ ((__unused_webpack_module, __webpack_exports__, __webpack_require__) => {

"use strict";
__webpack_require__.r(__webpack_exports__);
/* harmony export */ __webpack_require__.d(__webpack_exports__, {
/* harmony export */   "SubjectSubscriber": () => (/* binding */ SubjectSubscriber),
/* harmony export */   "Subject": () => (/* binding */ Subject),
/* harmony export */   "AnonymousSubject": () => (/* binding */ AnonymousSubject)
/* harmony export */ });
/* harmony import */ var _Observable__WEBPACK_IMPORTED_MODULE_1__ = __webpack_require__(/*! ./Observable */ 9165);
/* harmony import */ var _Subscriber__WEBPACK_IMPORTED_MODULE_0__ = __webpack_require__(/*! ./Subscriber */ 7393);
/* harmony import */ var _Subscription__WEBPACK_IMPORTED_MODULE_4__ = __webpack_require__(/*! ./Subscription */ 826);
/* harmony import */ var _util_ObjectUnsubscribedError__WEBPACK_IMPORTED_MODULE_3__ = __webpack_require__(/*! ./util/ObjectUnsubscribedError */ 7971);
/* harmony import */ var _SubjectSubscription__WEBPACK_IMPORTED_MODULE_5__ = __webpack_require__(/*! ./SubjectSubscription */ 8858);
/* harmony import */ var _internal_symbol_rxSubscriber__WEBPACK_IMPORTED_MODULE_2__ = __webpack_require__(/*! ../internal/symbol/rxSubscriber */ 9181);






class SubjectSubscriber extends _Subscriber__WEBPACK_IMPORTED_MODULE_0__.Subscriber {
    constructor(destination) {
        super(destination);
        this.destination = destination;
    }
}
class Subject extends _Observable__WEBPACK_IMPORTED_MODULE_1__.Observable {
    constructor() {
        super();
        this.observers = [];
        this.closed = false;
        this.isStopped = false;
        this.hasError = false;
        this.thrownError = null;
    }
    [_internal_symbol_rxSubscriber__WEBPACK_IMPORTED_MODULE_2__.rxSubscriber]() {
        return new SubjectSubscriber(this);
    }
    lift(operator) {
        const subject = new AnonymousSubject(this, this);
        subject.operator = operator;
        return subject;
    }
    next(value) {
        if (this.closed) {
            throw new _util_ObjectUnsubscribedError__WEBPACK_IMPORTED_MODULE_3__.ObjectUnsubscribedError();
        }
        if (!this.isStopped) {
            const { observers } = this;
            const len = observers.length;
            const copy = observers.slice();
            for (let i = 0; i < len; i++) {
                copy[i].next(value);
            }
        }
    }
    error(err) {
        if (this.closed) {
            throw new _util_ObjectUnsubscribedError__WEBPACK_IMPORTED_MODULE_3__.ObjectUnsubscribedError();
        }
        this.hasError = true;
        this.thrownError = err;
        this.isStopped = true;
        const { observers } = this;
        const len = observers.length;
        const copy = observers.slice();
        for (let i = 0; i < len; i++) {
            copy[i].error(err);
        }
        this.observers.length = 0;
    }
    complete() {
        if (this.closed) {
            throw new _util_ObjectUnsubscribedError__WEBPACK_IMPORTED_MODULE_3__.ObjectUnsubscribedError();
        }
        this.isStopped = true;
        const { observers } = this;
        const len = observers.length;
        const copy = observers.slice();
        for (let i = 0; i < len; i++) {
            copy[i].complete();
        }
        this.observers.length = 0;
    }
    unsubscribe() {
        this.isStopped = true;
        this.closed = true;
        this.observers = null;
    }
    _trySubscribe(subscriber) {
        if (this.closed) {
            throw new _util_ObjectUnsubscribedError__WEBPACK_IMPORTED_MODULE_3__.ObjectUnsubscribedError();
        }
        else {
            return super._trySubscribe(subscriber);
        }
    }
    _subscribe(subscriber) {
        if (this.closed) {
            throw new _util_ObjectUnsubscribedError__WEBPACK_IMPORTED_MODULE_3__.ObjectUnsubscribedError();
        }
        else if (this.hasError) {
            subscriber.error(this.thrownError);
            return _Subscription__WEBPACK_IMPORTED_MODULE_4__.Subscription.EMPTY;
        }
        else if (this.isStopped) {
            subscriber.complete();
            return _Subscription__WEBPACK_IMPORTED_MODULE_4__.Subscription.EMPTY;
        }
        else {
            this.observers.push(subscriber);
            return new _SubjectSubscription__WEBPACK_IMPORTED_MODULE_5__.SubjectSubscription(this, subscriber);
        }
    }
    asObservable() {
        const observable = new _Observable__WEBPACK_IMPORTED_MODULE_1__.Observable();
        observable.source = this;
        return observable;
    }
}
Subject.create = (destination, source) => {
    return new AnonymousSubject(destination, source);
};
class AnonymousSubject extends Subject {
    constructor(destination, source) {
        super();
        this.destination = destination;
        this.source = source;
    }
    next(value) {
        const { destination } = this;
        if (destination && destination.next) {
            destination.next(value);
        }
    }
    error(err) {
        const { destination } = this;
        if (destination && destination.error) {
            this.destination.error(err);
        }
    }
    complete() {
        const { destination } = this;
        if (destination && destination.complete) {
            this.destination.complete();
        }
    }
    _subscribe(subscriber) {
        const { source } = this;
        if (source) {
            return this.source.subscribe(subscriber);
        }
        else {
            return _Subscription__WEBPACK_IMPORTED_MODULE_4__.Subscription.EMPTY;
        }
    }
}
//# sourceMappingURL=Subject.js.map

/***/ }),

/***/ 8858:
/*!********************************************************************!*\
  !*** ./node_modules/rxjs/_esm2015/internal/SubjectSubscription.js ***!
  \********************************************************************/
/***/ ((__unused_webpack_module, __webpack_exports__, __webpack_require__) => {

"use strict";
__webpack_require__.r(__webpack_exports__);
/* harmony export */ __webpack_require__.d(__webpack_exports__, {
/* harmony export */   "SubjectSubscription": () => (/* binding */ SubjectSubscription)
/* harmony export */ });
/* harmony import */ var _Subscription__WEBPACK_IMPORTED_MODULE_0__ = __webpack_require__(/*! ./Subscription */ 826);

class SubjectSubscription extends _Subscription__WEBPACK_IMPORTED_MODULE_0__.Subscription {
    constructor(subject, subscriber) {
        super();
        this.subject = subject;
        this.subscriber = subscriber;
        this.closed = false;
    }
    unsubscribe() {
        if (this.closed) {
            return;
        }
        this.closed = true;
        const subject = this.subject;
        const observers = subject.observers;
        this.subject = null;
        if (!observers || observers.length === 0 || subject.isStopped || subject.closed) {
            return;
        }
        const subscriberIndex = observers.indexOf(this.subscriber);
        if (subscriberIndex !== -1) {
            observers.splice(subscriberIndex, 1);
        }
    }
}
//# sourceMappingURL=SubjectSubscription.js.map

/***/ }),

/***/ 7393:
/*!***********************************************************!*\
  !*** ./node_modules/rxjs/_esm2015/internal/Subscriber.js ***!
  \***********************************************************/
/***/ ((__unused_webpack_module, __webpack_exports__, __webpack_require__) => {

"use strict";
__webpack_require__.r(__webpack_exports__);
/* harmony export */ __webpack_require__.d(__webpack_exports__, {
/* harmony export */   "Subscriber": () => (/* binding */ Subscriber),
/* harmony export */   "SafeSubscriber": () => (/* binding */ SafeSubscriber)
/* harmony export */ });
/* harmony import */ var _util_isFunction__WEBPACK_IMPORTED_MODULE_3__ = __webpack_require__(/*! ./util/isFunction */ 9105);
/* harmony import */ var _Observer__WEBPACK_IMPORTED_MODULE_1__ = __webpack_require__(/*! ./Observer */ 6490);
/* harmony import */ var _Subscription__WEBPACK_IMPORTED_MODULE_0__ = __webpack_require__(/*! ./Subscription */ 826);
/* harmony import */ var _internal_symbol_rxSubscriber__WEBPACK_IMPORTED_MODULE_2__ = __webpack_require__(/*! ../internal/symbol/rxSubscriber */ 9181);
/* harmony import */ var _config__WEBPACK_IMPORTED_MODULE_4__ = __webpack_require__(/*! ./config */ 2494);
/* harmony import */ var _util_hostReportError__WEBPACK_IMPORTED_MODULE_5__ = __webpack_require__(/*! ./util/hostReportError */ 4449);






class Subscriber extends _Subscription__WEBPACK_IMPORTED_MODULE_0__.Subscription {
    constructor(destinationOrNext, error, complete) {
        super();
        this.syncErrorValue = null;
        this.syncErrorThrown = false;
        this.syncErrorThrowable = false;
        this.isStopped = false;
        switch (arguments.length) {
            case 0:
                this.destination = _Observer__WEBPACK_IMPORTED_MODULE_1__.empty;
                break;
            case 1:
                if (!destinationOrNext) {
                    this.destination = _Observer__WEBPACK_IMPORTED_MODULE_1__.empty;
                    break;
                }
                if (typeof destinationOrNext === 'object') {
                    if (destinationOrNext instanceof Subscriber) {
                        this.syncErrorThrowable = destinationOrNext.syncErrorThrowable;
                        this.destination = destinationOrNext;
                        destinationOrNext.add(this);
                    }
                    else {
                        this.syncErrorThrowable = true;
                        this.destination = new SafeSubscriber(this, destinationOrNext);
                    }
                    break;
                }
            default:
                this.syncErrorThrowable = true;
                this.destination = new SafeSubscriber(this, destinationOrNext, error, complete);
                break;
        }
    }
    [_internal_symbol_rxSubscriber__WEBPACK_IMPORTED_MODULE_2__.rxSubscriber]() { return this; }
    static create(next, error, complete) {
        const subscriber = new Subscriber(next, error, complete);
        subscriber.syncErrorThrowable = false;
        return subscriber;
    }
    next(value) {
        if (!this.isStopped) {
            this._next(value);
        }
    }
    error(err) {
        if (!this.isStopped) {
            this.isStopped = true;
            this._error(err);
        }
    }
    complete() {
        if (!this.isStopped) {
            this.isStopped = true;
            this._complete();
        }
    }
    unsubscribe() {
        if (this.closed) {
            return;
        }
        this.isStopped = true;
        super.unsubscribe();
    }
    _next(value) {
        this.destination.next(value);
    }
    _error(err) {
        this.destination.error(err);
        this.unsubscribe();
    }
    _complete() {
        this.destination.complete();
        this.unsubscribe();
    }
    _unsubscribeAndRecycle() {
        const { _parentOrParents } = this;
        this._parentOrParents = null;
        this.unsubscribe();
        this.closed = false;
        this.isStopped = false;
        this._parentOrParents = _parentOrParents;
        return this;
    }
}
class SafeSubscriber extends Subscriber {
    constructor(_parentSubscriber, observerOrNext, error, complete) {
        super();
        this._parentSubscriber = _parentSubscriber;
        let next;
        let context = this;
        if ((0,_util_isFunction__WEBPACK_IMPORTED_MODULE_3__.isFunction)(observerOrNext)) {
            next = observerOrNext;
        }
        else if (observerOrNext) {
            next = observerOrNext.next;
            error = observerOrNext.error;
            complete = observerOrNext.complete;
            if (observerOrNext !== _Observer__WEBPACK_IMPORTED_MODULE_1__.empty) {
                context = Object.create(observerOrNext);
                if ((0,_util_isFunction__WEBPACK_IMPORTED_MODULE_3__.isFunction)(context.unsubscribe)) {
                    this.add(context.unsubscribe.bind(context));
                }
                context.unsubscribe = this.unsubscribe.bind(this);
            }
        }
        this._context = context;
        this._next = next;
        this._error = error;
        this._complete = complete;
    }
    next(value) {
        if (!this.isStopped && this._next) {
            const { _parentSubscriber } = this;
            if (!_config__WEBPACK_IMPORTED_MODULE_4__.config.useDeprecatedSynchronousErrorHandling || !_parentSubscriber.syncErrorThrowable) {
                this.__tryOrUnsub(this._next, value);
            }
            else if (this.__tryOrSetError(_parentSubscriber, this._next, value)) {
                this.unsubscribe();
            }
        }
    }
    error(err) {
        if (!this.isStopped) {
            const { _parentSubscriber } = this;
            const { useDeprecatedSynchronousErrorHandling } = _config__WEBPACK_IMPORTED_MODULE_4__.config;
            if (this._error) {
                if (!useDeprecatedSynchronousErrorHandling || !_parentSubscriber.syncErrorThrowable) {
                    this.__tryOrUnsub(this._error, err);
                    this.unsubscribe();
                }
                else {
                    this.__tryOrSetError(_parentSubscriber, this._error, err);
                    this.unsubscribe();
                }
            }
            else if (!_parentSubscriber.syncErrorThrowable) {
                this.unsubscribe();
                if (useDeprecatedSynchronousErrorHandling) {
                    throw err;
                }
                (0,_util_hostReportError__WEBPACK_IMPORTED_MODULE_5__.hostReportError)(err);
            }
            else {
                if (useDeprecatedSynchronousErrorHandling) {
                    _parentSubscriber.syncErrorValue = err;
                    _parentSubscriber.syncErrorThrown = true;
                }
                else {
                    (0,_util_hostReportError__WEBPACK_IMPORTED_MODULE_5__.hostReportError)(err);
                }
                this.unsubscribe();
            }
        }
    }
    complete() {
        if (!this.isStopped) {
            const { _parentSubscriber } = this;
            if (this._complete) {
                const wrappedComplete = () => this._complete.call(this._context);
                if (!_config__WEBPACK_IMPORTED_MODULE_4__.config.useDeprecatedSynchronousErrorHandling || !_parentSubscriber.syncErrorThrowable) {
                    this.__tryOrUnsub(wrappedComplete);
                    this.unsubscribe();
                }
                else {
                    this.__tryOrSetError(_parentSubscriber, wrappedComplete);
                    this.unsubscribe();
                }
            }
            else {
                this.unsubscribe();
            }
        }
    }
    __tryOrUnsub(fn, value) {
        try {
            fn.call(this._context, value);
        }
        catch (err) {
            this.unsubscribe();
            if (_config__WEBPACK_IMPORTED_MODULE_4__.config.useDeprecatedSynchronousErrorHandling) {
                throw err;
            }
            else {
                (0,_util_hostReportError__WEBPACK_IMPORTED_MODULE_5__.hostReportError)(err);
            }
        }
    }
    __tryOrSetError(parent, fn, value) {
        if (!_config__WEBPACK_IMPORTED_MODULE_4__.config.useDeprecatedSynchronousErrorHandling) {
            throw new Error('bad call');
        }
        try {
            fn.call(this._context, value);
        }
        catch (err) {
            if (_config__WEBPACK_IMPORTED_MODULE_4__.config.useDeprecatedSynchronousErrorHandling) {
                parent.syncErrorValue = err;
                parent.syncErrorThrown = true;
                return true;
            }
            else {
                (0,_util_hostReportError__WEBPACK_IMPORTED_MODULE_5__.hostReportError)(err);
                return true;
            }
        }
        return false;
    }
    _unsubscribe() {
        const { _parentSubscriber } = this;
        this._context = null;
        this._parentSubscriber = null;
        _parentSubscriber.unsubscribe();
    }
}
//# sourceMappingURL=Subscriber.js.map

/***/ }),

/***/ 826:
/*!*************************************************************!*\
  !*** ./node_modules/rxjs/_esm2015/internal/Subscription.js ***!
  \*************************************************************/
/***/ ((__unused_webpack_module, __webpack_exports__, __webpack_require__) => {

"use strict";
__webpack_require__.r(__webpack_exports__);
/* harmony export */ __webpack_require__.d(__webpack_exports__, {
/* harmony export */   "Subscription": () => (/* binding */ Subscription)
/* harmony export */ });
/* harmony import */ var _util_isArray__WEBPACK_IMPORTED_MODULE_2__ = __webpack_require__(/*! ./util/isArray */ 9796);
/* harmony import */ var _util_isObject__WEBPACK_IMPORTED_MODULE_3__ = __webpack_require__(/*! ./util/isObject */ 1555);
/* harmony import */ var _util_isFunction__WEBPACK_IMPORTED_MODULE_0__ = __webpack_require__(/*! ./util/isFunction */ 9105);
/* harmony import */ var _util_UnsubscriptionError__WEBPACK_IMPORTED_MODULE_1__ = __webpack_require__(/*! ./util/UnsubscriptionError */ 7744);




class Subscription {
    constructor(unsubscribe) {
        this.closed = false;
        this._parentOrParents = null;
        this._subscriptions = null;
        if (unsubscribe) {
            this._ctorUnsubscribe = true;
            this._unsubscribe = unsubscribe;
        }
    }
    unsubscribe() {
        let errors;
        if (this.closed) {
            return;
        }
        let { _parentOrParents, _ctorUnsubscribe, _unsubscribe, _subscriptions } = this;
        this.closed = true;
        this._parentOrParents = null;
        this._subscriptions = null;
        if (_parentOrParents instanceof Subscription) {
            _parentOrParents.remove(this);
        }
        else if (_parentOrParents !== null) {
            for (let index = 0; index < _parentOrParents.length; ++index) {
                const parent = _parentOrParents[index];
                parent.remove(this);
            }
        }
        if ((0,_util_isFunction__WEBPACK_IMPORTED_MODULE_0__.isFunction)(_unsubscribe)) {
            if (_ctorUnsubscribe) {
                this._unsubscribe = undefined;
            }
            try {
                _unsubscribe.call(this);
            }
            catch (e) {
                errors = e instanceof _util_UnsubscriptionError__WEBPACK_IMPORTED_MODULE_1__.UnsubscriptionError ? flattenUnsubscriptionErrors(e.errors) : [e];
            }
        }
        if ((0,_util_isArray__WEBPACK_IMPORTED_MODULE_2__.isArray)(_subscriptions)) {
            let index = -1;
            let len = _subscriptions.length;
            while (++index < len) {
                const sub = _subscriptions[index];
                if ((0,_util_isObject__WEBPACK_IMPORTED_MODULE_3__.isObject)(sub)) {
                    try {
                        sub.unsubscribe();
                    }
                    catch (e) {
                        errors = errors || [];
                        if (e instanceof _util_UnsubscriptionError__WEBPACK_IMPORTED_MODULE_1__.UnsubscriptionError) {
                            errors = errors.concat(flattenUnsubscriptionErrors(e.errors));
                        }
                        else {
                            errors.push(e);
                        }
                    }
                }
            }
        }
        if (errors) {
            throw new _util_UnsubscriptionError__WEBPACK_IMPORTED_MODULE_1__.UnsubscriptionError(errors);
        }
    }
    add(teardown) {
        let subscription = teardown;
        if (!teardown) {
            return Subscription.EMPTY;
        }
        switch (typeof teardown) {
            case 'function':
                subscription = new Subscription(teardown);
            case 'object':
                if (subscription === this || subscription.closed || typeof subscription.unsubscribe !== 'function') {
                    return subscription;
                }
                else if (this.closed) {
                    subscription.unsubscribe();
                    return subscription;
                }
                else if (!(subscription instanceof Subscription)) {
                    const tmp = subscription;
                    subscription = new Subscription();
                    subscription._subscriptions = [tmp];
                }
                break;
            default: {
                throw new Error('unrecognized teardown ' + teardown + ' added to Subscription.');
            }
        }
        let { _parentOrParents } = subscription;
        if (_parentOrParents === null) {
            subscription._parentOrParents = this;
        }
        else if (_parentOrParents instanceof Subscription) {
            if (_parentOrParents === this) {
                return subscription;
            }
            subscription._parentOrParents = [_parentOrParents, this];
        }
        else if (_parentOrParents.indexOf(this) === -1) {
            _parentOrParents.push(this);
        }
        else {
            return subscription;
        }
        const subscriptions = this._subscriptions;
        if (subscriptions === null) {
            this._subscriptions = [subscription];
        }
        else {
            subscriptions.push(subscription);
        }
        return subscription;
    }
    remove(subscription) {
        const subscriptions = this._subscriptions;
        if (subscriptions) {
            const subscriptionIndex = subscriptions.indexOf(subscription);
            if (subscriptionIndex !== -1) {
                subscriptions.splice(subscriptionIndex, 1);
            }
        }
    }
}
Subscription.EMPTY = (function (empty) {
    empty.closed = true;
    return empty;
}(new Subscription()));
function flattenUnsubscriptionErrors(errors) {
    return errors.reduce((errs, err) => errs.concat((err instanceof _util_UnsubscriptionError__WEBPACK_IMPORTED_MODULE_1__.UnsubscriptionError) ? err.errors : err), []);
}
//# sourceMappingURL=Subscription.js.map

/***/ }),

/***/ 2494:
/*!*******************************************************!*\
  !*** ./node_modules/rxjs/_esm2015/internal/config.js ***!
  \*******************************************************/
/***/ ((__unused_webpack_module, __webpack_exports__, __webpack_require__) => {

"use strict";
__webpack_require__.r(__webpack_exports__);
/* harmony export */ __webpack_require__.d(__webpack_exports__, {
/* harmony export */   "config": () => (/* binding */ config)
/* harmony export */ });
let _enable_super_gross_mode_that_will_cause_bad_things = false;
const config = {
    Promise: undefined,
    set useDeprecatedSynchronousErrorHandling(value) {
        if (value) {
            const error = new Error();
            console.warn('DEPRECATED! RxJS was set to use deprecated synchronous error handling behavior by code at: \n' + error.stack);
        }
        else if (_enable_super_gross_mode_that_will_cause_bad_things) {
            console.log('RxJS: Back to a better error behavior. Thank you. <3');
        }
        _enable_super_gross_mode_that_will_cause_bad_things = value;
    },
    get useDeprecatedSynchronousErrorHandling() {
        return _enable_super_gross_mode_that_will_cause_bad_things;
    },
};
//# sourceMappingURL=config.js.map

/***/ }),

/***/ 5345:
/*!***************************************************************!*\
  !*** ./node_modules/rxjs/_esm2015/internal/innerSubscribe.js ***!
  \***************************************************************/
/***/ ((__unused_webpack_module, __webpack_exports__, __webpack_require__) => {

"use strict";
__webpack_require__.r(__webpack_exports__);
/* harmony export */ __webpack_require__.d(__webpack_exports__, {
/* harmony export */   "SimpleInnerSubscriber": () => (/* binding */ SimpleInnerSubscriber),
/* harmony export */   "ComplexInnerSubscriber": () => (/* binding */ ComplexInnerSubscriber),
/* harmony export */   "SimpleOuterSubscriber": () => (/* binding */ SimpleOuterSubscriber),
/* harmony export */   "ComplexOuterSubscriber": () => (/* binding */ ComplexOuterSubscriber),
/* harmony export */   "innerSubscribe": () => (/* binding */ innerSubscribe)
/* harmony export */ });
/* harmony import */ var _Subscriber__WEBPACK_IMPORTED_MODULE_0__ = __webpack_require__(/*! ./Subscriber */ 7393);
/* harmony import */ var _Observable__WEBPACK_IMPORTED_MODULE_1__ = __webpack_require__(/*! ./Observable */ 9165);
/* harmony import */ var _util_subscribeTo__WEBPACK_IMPORTED_MODULE_2__ = __webpack_require__(/*! ./util/subscribeTo */ 6847);



class SimpleInnerSubscriber extends _Subscriber__WEBPACK_IMPORTED_MODULE_0__.Subscriber {
    constructor(parent) {
        super();
        this.parent = parent;
    }
    _next(value) {
        this.parent.notifyNext(value);
    }
    _error(error) {
        this.parent.notifyError(error);
        this.unsubscribe();
    }
    _complete() {
        this.parent.notifyComplete();
        this.unsubscribe();
    }
}
class ComplexInnerSubscriber extends _Subscriber__WEBPACK_IMPORTED_MODULE_0__.Subscriber {
    constructor(parent, outerValue, outerIndex) {
        super();
        this.parent = parent;
        this.outerValue = outerValue;
        this.outerIndex = outerIndex;
    }
    _next(value) {
        this.parent.notifyNext(this.outerValue, value, this.outerIndex, this);
    }
    _error(error) {
        this.parent.notifyError(error);
        this.unsubscribe();
    }
    _complete() {
        this.parent.notifyComplete(this);
        this.unsubscribe();
    }
}
class SimpleOuterSubscriber extends _Subscriber__WEBPACK_IMPORTED_MODULE_0__.Subscriber {
    notifyNext(innerValue) {
        this.destination.next(innerValue);
    }
    notifyError(err) {
        this.destination.error(err);
    }
    notifyComplete() {
        this.destination.complete();
    }
}
class ComplexOuterSubscriber extends _Subscriber__WEBPACK_IMPORTED_MODULE_0__.Subscriber {
    notifyNext(_outerValue, innerValue, _outerIndex, _innerSub) {
        this.destination.next(innerValue);
    }
    notifyError(error) {
        this.destination.error(error);
    }
    notifyComplete(_innerSub) {
        this.destination.complete();
    }
}
function innerSubscribe(result, innerSubscriber) {
    if (innerSubscriber.closed) {
        return undefined;
    }
    if (result instanceof _Observable__WEBPACK_IMPORTED_MODULE_1__.Observable) {
        return result.subscribe(innerSubscriber);
    }
    let subscription;
    try {
        subscription = (0,_util_subscribeTo__WEBPACK_IMPORTED_MODULE_2__.subscribeTo)(result)(innerSubscriber);
    }
    catch (error) {
        innerSubscriber.error(error);
    }
    return subscription;
}
//# sourceMappingURL=innerSubscribe.js.map

/***/ }),

/***/ 2441:
/*!*********************************************************************************!*\
  !*** ./node_modules/rxjs/_esm2015/internal/observable/ConnectableObservable.js ***!
  \*********************************************************************************/
/***/ ((__unused_webpack_module, __webpack_exports__, __webpack_require__) => {

"use strict";
__webpack_require__.r(__webpack_exports__);
/* harmony export */ __webpack_require__.d(__webpack_exports__, {
/* harmony export */   "ConnectableObservable": () => (/* binding */ ConnectableObservable),
/* harmony export */   "connectableObservableDescriptor": () => (/* binding */ connectableObservableDescriptor)
/* harmony export */ });
/* harmony import */ var _Subject__WEBPACK_IMPORTED_MODULE_3__ = __webpack_require__(/*! ../Subject */ 9765);
/* harmony import */ var _Observable__WEBPACK_IMPORTED_MODULE_0__ = __webpack_require__(/*! ../Observable */ 9165);
/* harmony import */ var _Subscriber__WEBPACK_IMPORTED_MODULE_4__ = __webpack_require__(/*! ../Subscriber */ 7393);
/* harmony import */ var _Subscription__WEBPACK_IMPORTED_MODULE_1__ = __webpack_require__(/*! ../Subscription */ 826);
/* harmony import */ var _operators_refCount__WEBPACK_IMPORTED_MODULE_2__ = __webpack_require__(/*! ../operators/refCount */ 1307);





class ConnectableObservable extends _Observable__WEBPACK_IMPORTED_MODULE_0__.Observable {
    constructor(source, subjectFactory) {
        super();
        this.source = source;
        this.subjectFactory = subjectFactory;
        this._refCount = 0;
        this._isComplete = false;
    }
    _subscribe(subscriber) {
        return this.getSubject().subscribe(subscriber);
    }
    getSubject() {
        const subject = this._subject;
        if (!subject || subject.isStopped) {
            this._subject = this.subjectFactory();
        }
        return this._subject;
    }
    connect() {
        let connection = this._connection;
        if (!connection) {
            this._isComplete = false;
            connection = this._connection = new _Subscription__WEBPACK_IMPORTED_MODULE_1__.Subscription();
            connection.add(this.source
                .subscribe(new ConnectableSubscriber(this.getSubject(), this)));
            if (connection.closed) {
                this._connection = null;
                connection = _Subscription__WEBPACK_IMPORTED_MODULE_1__.Subscription.EMPTY;
            }
        }
        return connection;
    }
    refCount() {
        return (0,_operators_refCount__WEBPACK_IMPORTED_MODULE_2__.refCount)()(this);
    }
}
const connectableObservableDescriptor = (() => {
    const connectableProto = ConnectableObservable.prototype;
    return {
        operator: { value: null },
        _refCount: { value: 0, writable: true },
        _subject: { value: null, writable: true },
        _connection: { value: null, writable: true },
        _subscribe: { value: connectableProto._subscribe },
        _isComplete: { value: connectableProto._isComplete, writable: true },
        getSubject: { value: connectableProto.getSubject },
        connect: { value: connectableProto.connect },
        refCount: { value: connectableProto.refCount }
    };
})();
class ConnectableSubscriber extends _Subject__WEBPACK_IMPORTED_MODULE_3__.SubjectSubscriber {
    constructor(destination, connectable) {
        super(destination);
        this.connectable = connectable;
    }
    _error(err) {
        this._unsubscribe();
        super._error(err);
    }
    _complete() {
        this.connectable._isComplete = true;
        this._unsubscribe();
        super._complete();
    }
    _unsubscribe() {
        const connectable = this.connectable;
        if (connectable) {
            this.connectable = null;
            const connection = connectable._connection;
            connectable._refCount = 0;
            connectable._subject = null;
            connectable._connection = null;
            if (connection) {
                connection.unsubscribe();
            }
        }
    }
}
class RefCountOperator {
    constructor(connectable) {
        this.connectable = connectable;
    }
    call(subscriber, source) {
        const { connectable } = this;
        connectable._refCount++;
        const refCounter = new RefCountSubscriber(subscriber, connectable);
        const subscription = source.subscribe(refCounter);
        if (!refCounter.closed) {
            refCounter.connection = connectable.connect();
        }
        return subscription;
    }
}
class RefCountSubscriber extends _Subscriber__WEBPACK_IMPORTED_MODULE_4__.Subscriber {
    constructor(destination, connectable) {
        super(destination);
        this.connectable = connectable;
    }
    _unsubscribe() {
        const { connectable } = this;
        if (!connectable) {
            this.connection = null;
            return;
        }
        this.connectable = null;
        const refCount = connectable._refCount;
        if (refCount <= 0) {
            this.connection = null;
            return;
        }
        connectable._refCount = refCount - 1;
        if (refCount > 1) {
            this.connection = null;
            return;
        }
        const { connection } = this;
        const sharedConnection = connectable._connection;
        this.connection = null;
        if (sharedConnection && (!connection || sharedConnection === connection)) {
            sharedConnection.unsubscribe();
        }
    }
}
//# sourceMappingURL=ConnectableObservable.js.map

/***/ }),

/***/ 9112:
/*!*************************************************************************!*\
  !*** ./node_modules/rxjs/_esm2015/internal/observable/combineLatest.js ***!
  \*************************************************************************/
/***/ ((__unused_webpack_module, __webpack_exports__, __webpack_require__) => {

"use strict";
__webpack_require__.r(__webpack_exports__);
/* harmony export */ __webpack_require__.d(__webpack_exports__, {
/* harmony export */   "combineLatest": () => (/* binding */ combineLatest),
/* harmony export */   "CombineLatestOperator": () => (/* binding */ CombineLatestOperator),
/* harmony export */   "CombineLatestSubscriber": () => (/* binding */ CombineLatestSubscriber)
/* harmony export */ });
/* harmony import */ var _util_isScheduler__WEBPACK_IMPORTED_MODULE_0__ = __webpack_require__(/*! ../util/isScheduler */ 4869);
/* harmony import */ var _util_isArray__WEBPACK_IMPORTED_MODULE_1__ = __webpack_require__(/*! ../util/isArray */ 9796);
/* harmony import */ var _OuterSubscriber__WEBPACK_IMPORTED_MODULE_3__ = __webpack_require__(/*! ../OuterSubscriber */ 5197);
/* harmony import */ var _util_subscribeToResult__WEBPACK_IMPORTED_MODULE_4__ = __webpack_require__(/*! ../util/subscribeToResult */ 5604);
/* harmony import */ var _fromArray__WEBPACK_IMPORTED_MODULE_2__ = __webpack_require__(/*! ./fromArray */ 6693);





const NONE = {};
function combineLatest(...observables) {
    let resultSelector = undefined;
    let scheduler = undefined;
    if ((0,_util_isScheduler__WEBPACK_IMPORTED_MODULE_0__.isScheduler)(observables[observables.length - 1])) {
        scheduler = observables.pop();
    }
    if (typeof observables[observables.length - 1] === 'function') {
        resultSelector = observables.pop();
    }
    if (observables.length === 1 && (0,_util_isArray__WEBPACK_IMPORTED_MODULE_1__.isArray)(observables[0])) {
        observables = observables[0];
    }
    return (0,_fromArray__WEBPACK_IMPORTED_MODULE_2__.fromArray)(observables, scheduler).lift(new CombineLatestOperator(resultSelector));
}
class CombineLatestOperator {
    constructor(resultSelector) {
        this.resultSelector = resultSelector;
    }
    call(subscriber, source) {
        return source.subscribe(new CombineLatestSubscriber(subscriber, this.resultSelector));
    }
}
class CombineLatestSubscriber extends _OuterSubscriber__WEBPACK_IMPORTED_MODULE_3__.OuterSubscriber {
    constructor(destination, resultSelector) {
        super(destination);
        this.resultSelector = resultSelector;
        this.active = 0;
        this.values = [];
        this.observables = [];
    }
    _next(observable) {
        this.values.push(NONE);
        this.observables.push(observable);
    }
    _complete() {
        const observables = this.observables;
        const len = observables.length;
        if (len === 0) {
            this.destination.complete();
        }
        else {
            this.active = len;
            this.toRespond = len;
            for (let i = 0; i < len; i++) {
                const observable = observables[i];
                this.add((0,_util_subscribeToResult__WEBPACK_IMPORTED_MODULE_4__.subscribeToResult)(this, observable, undefined, i));
            }
        }
    }
    notifyComplete(unused) {
        if ((this.active -= 1) === 0) {
            this.destination.complete();
        }
    }
    notifyNext(_outerValue, innerValue, outerIndex) {
        const values = this.values;
        const oldVal = values[outerIndex];
        const toRespond = !this.toRespond
            ? 0
            : oldVal === NONE ? --this.toRespond : this.toRespond;
        values[outerIndex] = innerValue;
        if (toRespond === 0) {
            if (this.resultSelector) {
                this._tryResultSelector(values);
            }
            else {
                this.destination.next(values.slice());
            }
        }
    }
    _tryResultSelector(values) {
        let result;
        try {
            result = this.resultSelector.apply(this, values);
        }
        catch (err) {
            this.destination.error(err);
            return;
        }
        this.destination.next(result);
    }
}
//# sourceMappingURL=combineLatest.js.map

/***/ }),

/***/ 9923:
/*!******************************************************************!*\
  !*** ./node_modules/rxjs/_esm2015/internal/observable/concat.js ***!
  \******************************************************************/
/***/ ((__unused_webpack_module, __webpack_exports__, __webpack_require__) => {

"use strict";
__webpack_require__.r(__webpack_exports__);
/* harmony export */ __webpack_require__.d(__webpack_exports__, {
/* harmony export */   "concat": () => (/* binding */ concat)
/* harmony export */ });
/* harmony import */ var _of__WEBPACK_IMPORTED_MODULE_1__ = __webpack_require__(/*! ./of */ 5917);
/* harmony import */ var _operators_concatAll__WEBPACK_IMPORTED_MODULE_0__ = __webpack_require__(/*! ../operators/concatAll */ 5766);


function concat(...observables) {
    return (0,_operators_concatAll__WEBPACK_IMPORTED_MODULE_0__.concatAll)()((0,_of__WEBPACK_IMPORTED_MODULE_1__.of)(...observables));
}
//# sourceMappingURL=concat.js.map

/***/ }),

/***/ 1439:
/*!*****************************************************************!*\
  !*** ./node_modules/rxjs/_esm2015/internal/observable/defer.js ***!
  \*****************************************************************/
/***/ ((__unused_webpack_module, __webpack_exports__, __webpack_require__) => {

"use strict";
__webpack_require__.r(__webpack_exports__);
/* harmony export */ __webpack_require__.d(__webpack_exports__, {
/* harmony export */   "defer": () => (/* binding */ defer)
/* harmony export */ });
/* harmony import */ var _Observable__WEBPACK_IMPORTED_MODULE_0__ = __webpack_require__(/*! ../Observable */ 9165);
/* harmony import */ var _from__WEBPACK_IMPORTED_MODULE_1__ = __webpack_require__(/*! ./from */ 9412);
/* harmony import */ var _empty__WEBPACK_IMPORTED_MODULE_2__ = __webpack_require__(/*! ./empty */ 9193);



function defer(observableFactory) {
    return new _Observable__WEBPACK_IMPORTED_MODULE_0__.Observable(subscriber => {
        let input;
        try {
            input = observableFactory();
        }
        catch (err) {
            subscriber.error(err);
            return undefined;
        }
        const source = input ? (0,_from__WEBPACK_IMPORTED_MODULE_1__.from)(input) : (0,_empty__WEBPACK_IMPORTED_MODULE_2__.empty)();
        return source.subscribe(subscriber);
    });
}
//# sourceMappingURL=defer.js.map

/***/ }),

/***/ 9193:
/*!*****************************************************************!*\
  !*** ./node_modules/rxjs/_esm2015/internal/observable/empty.js ***!
  \*****************************************************************/
/***/ ((__unused_webpack_module, __webpack_exports__, __webpack_require__) => {

"use strict";
__webpack_require__.r(__webpack_exports__);
/* harmony export */ __webpack_require__.d(__webpack_exports__, {
/* harmony export */   "EMPTY": () => (/* binding */ EMPTY),
/* harmony export */   "empty": () => (/* binding */ empty)
/* harmony export */ });
/* harmony import */ var _Observable__WEBPACK_IMPORTED_MODULE_0__ = __webpack_require__(/*! ../Observable */ 9165);

const EMPTY = new _Observable__WEBPACK_IMPORTED_MODULE_0__.Observable(subscriber => subscriber.complete());
function empty(scheduler) {
    return scheduler ? emptyScheduled(scheduler) : EMPTY;
}
function emptyScheduled(scheduler) {
    return new _Observable__WEBPACK_IMPORTED_MODULE_0__.Observable(subscriber => scheduler.schedule(() => subscriber.complete()));
}
//# sourceMappingURL=empty.js.map

/***/ }),

/***/ 5758:
/*!********************************************************************!*\
  !*** ./node_modules/rxjs/_esm2015/internal/observable/forkJoin.js ***!
  \********************************************************************/
/***/ ((__unused_webpack_module, __webpack_exports__, __webpack_require__) => {

"use strict";
__webpack_require__.r(__webpack_exports__);
/* harmony export */ __webpack_require__.d(__webpack_exports__, {
/* harmony export */   "forkJoin": () => (/* binding */ forkJoin)
/* harmony export */ });
/* harmony import */ var _Observable__WEBPACK_IMPORTED_MODULE_3__ = __webpack_require__(/*! ../Observable */ 9165);
/* harmony import */ var _util_isArray__WEBPACK_IMPORTED_MODULE_0__ = __webpack_require__(/*! ../util/isArray */ 9796);
/* harmony import */ var _operators_map__WEBPACK_IMPORTED_MODULE_2__ = __webpack_require__(/*! ../operators/map */ 8002);
/* harmony import */ var _util_isObject__WEBPACK_IMPORTED_MODULE_1__ = __webpack_require__(/*! ../util/isObject */ 1555);
/* harmony import */ var _from__WEBPACK_IMPORTED_MODULE_4__ = __webpack_require__(/*! ./from */ 9412);





function forkJoin(...sources) {
    if (sources.length === 1) {
        const first = sources[0];
        if ((0,_util_isArray__WEBPACK_IMPORTED_MODULE_0__.isArray)(first)) {
            return forkJoinInternal(first, null);
        }
        if ((0,_util_isObject__WEBPACK_IMPORTED_MODULE_1__.isObject)(first) && Object.getPrototypeOf(first) === Object.prototype) {
            const keys = Object.keys(first);
            return forkJoinInternal(keys.map(key => first[key]), keys);
        }
    }
    if (typeof sources[sources.length - 1] === 'function') {
        const resultSelector = sources.pop();
        sources = (sources.length === 1 && (0,_util_isArray__WEBPACK_IMPORTED_MODULE_0__.isArray)(sources[0])) ? sources[0] : sources;
        return forkJoinInternal(sources, null).pipe((0,_operators_map__WEBPACK_IMPORTED_MODULE_2__.map)((args) => resultSelector(...args)));
    }
    return forkJoinInternal(sources, null);
}
function forkJoinInternal(sources, keys) {
    return new _Observable__WEBPACK_IMPORTED_MODULE_3__.Observable(subscriber => {
        const len = sources.length;
        if (len === 0) {
            subscriber.complete();
            return;
        }
        const values = new Array(len);
        let completed = 0;
        let emitted = 0;
        for (let i = 0; i < len; i++) {
            const source = (0,_from__WEBPACK_IMPORTED_MODULE_4__.from)(sources[i]);
            let hasValue = false;
            subscriber.add(source.subscribe({
                next: value => {
                    if (!hasValue) {
                        hasValue = true;
                        emitted++;
                    }
                    values[i] = value;
                },
                error: err => subscriber.error(err),
                complete: () => {
                    completed++;
                    if (completed === len || !hasValue) {
                        if (emitted === len) {
                            subscriber.next(keys ?
                                keys.reduce((result, key, i) => (result[key] = values[i], result), {}) :
                                values);
                        }
                        subscriber.complete();
                    }
                }
            }));
        }
    });
}
//# sourceMappingURL=forkJoin.js.map

/***/ }),

/***/ 9412:
/*!****************************************************************!*\
  !*** ./node_modules/rxjs/_esm2015/internal/observable/from.js ***!
  \****************************************************************/
/***/ ((__unused_webpack_module, __webpack_exports__, __webpack_require__) => {

"use strict";
__webpack_require__.r(__webpack_exports__);
/* harmony export */ __webpack_require__.d(__webpack_exports__, {
/* harmony export */   "from": () => (/* binding */ from)
/* harmony export */ });
/* harmony import */ var _Observable__WEBPACK_IMPORTED_MODULE_0__ = __webpack_require__(/*! ../Observable */ 9165);
/* harmony import */ var _util_subscribeTo__WEBPACK_IMPORTED_MODULE_1__ = __webpack_require__(/*! ../util/subscribeTo */ 6847);
/* harmony import */ var _scheduled_scheduled__WEBPACK_IMPORTED_MODULE_2__ = __webpack_require__(/*! ../scheduled/scheduled */ 3501);



function from(input, scheduler) {
    if (!scheduler) {
        if (input instanceof _Observable__WEBPACK_IMPORTED_MODULE_0__.Observable) {
            return input;
        }
        return new _Observable__WEBPACK_IMPORTED_MODULE_0__.Observable((0,_util_subscribeTo__WEBPACK_IMPORTED_MODULE_1__.subscribeTo)(input));
    }
    else {
        return (0,_scheduled_scheduled__WEBPACK_IMPORTED_MODULE_2__.scheduled)(input, scheduler);
    }
}
//# sourceMappingURL=from.js.map

/***/ }),

/***/ 6693:
/*!*********************************************************************!*\
  !*** ./node_modules/rxjs/_esm2015/internal/observable/fromArray.js ***!
  \*********************************************************************/
/***/ ((__unused_webpack_module, __webpack_exports__, __webpack_require__) => {

"use strict";
__webpack_require__.r(__webpack_exports__);
/* harmony export */ __webpack_require__.d(__webpack_exports__, {
/* harmony export */   "fromArray": () => (/* binding */ fromArray)
/* harmony export */ });
/* harmony import */ var _Observable__WEBPACK_IMPORTED_MODULE_0__ = __webpack_require__(/*! ../Observable */ 9165);
/* harmony import */ var _util_subscribeToArray__WEBPACK_IMPORTED_MODULE_1__ = __webpack_require__(/*! ../util/subscribeToArray */ 5015);
/* harmony import */ var _scheduled_scheduleArray__WEBPACK_IMPORTED_MODULE_2__ = __webpack_require__(/*! ../scheduled/scheduleArray */ 4087);



function fromArray(input, scheduler) {
    if (!scheduler) {
        return new _Observable__WEBPACK_IMPORTED_MODULE_0__.Observable((0,_util_subscribeToArray__WEBPACK_IMPORTED_MODULE_1__.subscribeToArray)(input));
    }
    else {
        return (0,_scheduled_scheduleArray__WEBPACK_IMPORTED_MODULE_2__.scheduleArray)(input, scheduler);
    }
}
//# sourceMappingURL=fromArray.js.map

/***/ }),

/***/ 2759:
/*!*********************************************************************!*\
  !*** ./node_modules/rxjs/_esm2015/internal/observable/fromEvent.js ***!
  \*********************************************************************/
/***/ ((__unused_webpack_module, __webpack_exports__, __webpack_require__) => {

"use strict";
__webpack_require__.r(__webpack_exports__);
/* harmony export */ __webpack_require__.d(__webpack_exports__, {
/* harmony export */   "fromEvent": () => (/* binding */ fromEvent)
/* harmony export */ });
/* harmony import */ var _Observable__WEBPACK_IMPORTED_MODULE_3__ = __webpack_require__(/*! ../Observable */ 9165);
/* harmony import */ var _util_isArray__WEBPACK_IMPORTED_MODULE_2__ = __webpack_require__(/*! ../util/isArray */ 9796);
/* harmony import */ var _util_isFunction__WEBPACK_IMPORTED_MODULE_0__ = __webpack_require__(/*! ../util/isFunction */ 9105);
/* harmony import */ var _operators_map__WEBPACK_IMPORTED_MODULE_1__ = __webpack_require__(/*! ../operators/map */ 8002);




const toString = (() => Object.prototype.toString)();
function fromEvent(target, eventName, options, resultSelector) {
    if ((0,_util_isFunction__WEBPACK_IMPORTED_MODULE_0__.isFunction)(options)) {
        resultSelector = options;
        options = undefined;
    }
    if (resultSelector) {
        return fromEvent(target, eventName, options).pipe((0,_operators_map__WEBPACK_IMPORTED_MODULE_1__.map)(args => (0,_util_isArray__WEBPACK_IMPORTED_MODULE_2__.isArray)(args) ? resultSelector(...args) : resultSelector(args)));
    }
    return new _Observable__WEBPACK_IMPORTED_MODULE_3__.Observable(subscriber => {
        function handler(e) {
            if (arguments.length > 1) {
                subscriber.next(Array.prototype.slice.call(arguments));
            }
            else {
                subscriber.next(e);
            }
        }
        setupSubscription(target, eventName, handler, subscriber, options);
    });
}
function setupSubscription(sourceObj, eventName, handler, subscriber, options) {
    let unsubscribe;
    if (isEventTarget(sourceObj)) {
        const source = sourceObj;
        sourceObj.addEventListener(eventName, handler, options);
        unsubscribe = () => source.removeEventListener(eventName, handler, options);
    }
    else if (isJQueryStyleEventEmitter(sourceObj)) {
        const source = sourceObj;
        sourceObj.on(eventName, handler);
        unsubscribe = () => source.off(eventName, handler);
    }
    else if (isNodeStyleEventEmitter(sourceObj)) {
        const source = sourceObj;
        sourceObj.addListener(eventName, handler);
        unsubscribe = () => source.removeListener(eventName, handler);
    }
    else if (sourceObj && sourceObj.length) {
        for (let i = 0, len = sourceObj.length; i < len; i++) {
            setupSubscription(sourceObj[i], eventName, handler, subscriber, options);
        }
    }
    else {
        throw new TypeError('Invalid event target');
    }
    subscriber.add(unsubscribe);
}
function isNodeStyleEventEmitter(sourceObj) {
    return sourceObj && typeof sourceObj.addListener === 'function' && typeof sourceObj.removeListener === 'function';
}
function isJQueryStyleEventEmitter(sourceObj) {
    return sourceObj && typeof sourceObj.on === 'function' && typeof sourceObj.off === 'function';
}
function isEventTarget(sourceObj) {
    return sourceObj && typeof sourceObj.addEventListener === 'function' && typeof sourceObj.removeEventListener === 'function';
}
//# sourceMappingURL=fromEvent.js.map

/***/ }),

/***/ 6682:
/*!*****************************************************************!*\
  !*** ./node_modules/rxjs/_esm2015/internal/observable/merge.js ***!
  \*****************************************************************/
/***/ ((__unused_webpack_module, __webpack_exports__, __webpack_require__) => {

"use strict";
__webpack_require__.r(__webpack_exports__);
/* harmony export */ __webpack_require__.d(__webpack_exports__, {
/* harmony export */   "merge": () => (/* binding */ merge)
/* harmony export */ });
/* harmony import */ var _Observable__WEBPACK_IMPORTED_MODULE_1__ = __webpack_require__(/*! ../Observable */ 9165);
/* harmony import */ var _util_isScheduler__WEBPACK_IMPORTED_MODULE_0__ = __webpack_require__(/*! ../util/isScheduler */ 4869);
/* harmony import */ var _operators_mergeAll__WEBPACK_IMPORTED_MODULE_2__ = __webpack_require__(/*! ../operators/mergeAll */ 3282);
/* harmony import */ var _fromArray__WEBPACK_IMPORTED_MODULE_3__ = __webpack_require__(/*! ./fromArray */ 6693);




function merge(...observables) {
    let concurrent = Number.POSITIVE_INFINITY;
    let scheduler = null;
    let last = observables[observables.length - 1];
    if ((0,_util_isScheduler__WEBPACK_IMPORTED_MODULE_0__.isScheduler)(last)) {
        scheduler = observables.pop();
        if (observables.length > 1 && typeof observables[observables.length - 1] === 'number') {
            concurrent = observables.pop();
        }
    }
    else if (typeof last === 'number') {
        concurrent = observables.pop();
    }
    if (scheduler === null && observables.length === 1 && observables[0] instanceof _Observable__WEBPACK_IMPORTED_MODULE_1__.Observable) {
        return observables[0];
    }
    return (0,_operators_mergeAll__WEBPACK_IMPORTED_MODULE_2__.mergeAll)(concurrent)((0,_fromArray__WEBPACK_IMPORTED_MODULE_3__.fromArray)(observables, scheduler));
}
//# sourceMappingURL=merge.js.map

/***/ }),

/***/ 5917:
/*!**************************************************************!*\
  !*** ./node_modules/rxjs/_esm2015/internal/observable/of.js ***!
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/***/ ((__unused_webpack_module, __webpack_exports__, __webpack_require__) => {

"use strict";
__webpack_require__.r(__webpack_exports__);
/* harmony export */ __webpack_require__.d(__webpack_exports__, {
/* harmony export */   "of": () => (/* binding */ of)
/* harmony export */ });
/* harmony import */ var _util_isScheduler__WEBPACK_IMPORTED_MODULE_0__ = __webpack_require__(/*! ../util/isScheduler */ 4869);
/* harmony import */ var _fromArray__WEBPACK_IMPORTED_MODULE_2__ = __webpack_require__(/*! ./fromArray */ 6693);
/* harmony import */ var _scheduled_scheduleArray__WEBPACK_IMPORTED_MODULE_1__ = __webpack_require__(/*! ../scheduled/scheduleArray */ 4087);



function of(...args) {
    let scheduler = args[args.length - 1];
    if ((0,_util_isScheduler__WEBPACK_IMPORTED_MODULE_0__.isScheduler)(scheduler)) {
        args.pop();
        return (0,_scheduled_scheduleArray__WEBPACK_IMPORTED_MODULE_1__.scheduleArray)(args, scheduler);
    }
    else {
        return (0,_fromArray__WEBPACK_IMPORTED_MODULE_2__.fromArray)(args);
    }
}
//# sourceMappingURL=of.js.map

/***/ }),

/***/ 205:
/*!**********************************************************************!*\
  !*** ./node_modules/rxjs/_esm2015/internal/observable/throwError.js ***!
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/***/ ((__unused_webpack_module, __webpack_exports__, __webpack_require__) => {

"use strict";
__webpack_require__.r(__webpack_exports__);
/* harmony export */ __webpack_require__.d(__webpack_exports__, {
/* harmony export */   "throwError": () => (/* binding */ throwError)
/* harmony export */ });
/* harmony import */ var _Observable__WEBPACK_IMPORTED_MODULE_0__ = __webpack_require__(/*! ../Observable */ 9165);

function throwError(error, scheduler) {
    if (!scheduler) {
        return new _Observable__WEBPACK_IMPORTED_MODULE_0__.Observable(subscriber => subscriber.error(error));
    }
    else {
        return new _Observable__WEBPACK_IMPORTED_MODULE_0__.Observable(subscriber => scheduler.schedule(dispatch, 0, { error, subscriber }));
    }
}
function dispatch({ error, subscriber }) {
    subscriber.error(error);
}
//# sourceMappingURL=throwError.js.map

/***/ }),

/***/ 5304:
/*!*********************************************************************!*\
  !*** ./node_modules/rxjs/_esm2015/internal/operators/catchError.js ***!
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/***/ ((__unused_webpack_module, __webpack_exports__, __webpack_require__) => {

"use strict";
__webpack_require__.r(__webpack_exports__);
/* harmony export */ __webpack_require__.d(__webpack_exports__, {
/* harmony export */   "catchError": () => (/* binding */ catchError)
/* harmony export */ });
/* harmony import */ var _innerSubscribe__WEBPACK_IMPORTED_MODULE_0__ = __webpack_require__(/*! ../innerSubscribe */ 5345);

function catchError(selector) {
    return function catchErrorOperatorFunction(source) {
        const operator = new CatchOperator(selector);
        const caught = source.lift(operator);
        return (operator.caught = caught);
    };
}
class CatchOperator {
    constructor(selector) {
        this.selector = selector;
    }
    call(subscriber, source) {
        return source.subscribe(new CatchSubscriber(subscriber, this.selector, this.caught));
    }
}
class CatchSubscriber extends _innerSubscribe__WEBPACK_IMPORTED_MODULE_0__.SimpleOuterSubscriber {
    constructor(destination, selector, caught) {
        super(destination);
        this.selector = selector;
        this.caught = caught;
    }
    error(err) {
        if (!this.isStopped) {
            let result;
            try {
                result = this.selector(err, this.caught);
            }
            catch (err2) {
                super.error(err2);
                return;
            }
            this._unsubscribeAndRecycle();
            const innerSubscriber = new _innerSubscribe__WEBPACK_IMPORTED_MODULE_0__.SimpleInnerSubscriber(this);
            this.add(innerSubscriber);
            const innerSubscription = (0,_innerSubscribe__WEBPACK_IMPORTED_MODULE_0__.innerSubscribe)(result, innerSubscriber);
            if (innerSubscription !== innerSubscriber) {
                this.add(innerSubscription);
            }
        }
    }
}
//# sourceMappingURL=catchError.js.map

/***/ }),

/***/ 5766:
/*!********************************************************************!*\
  !*** ./node_modules/rxjs/_esm2015/internal/operators/concatAll.js ***!
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/***/ ((__unused_webpack_module, __webpack_exports__, __webpack_require__) => {

"use strict";
__webpack_require__.r(__webpack_exports__);
/* harmony export */ __webpack_require__.d(__webpack_exports__, {
/* harmony export */   "concatAll": () => (/* binding */ concatAll)
/* harmony export */ });
/* harmony import */ var _mergeAll__WEBPACK_IMPORTED_MODULE_0__ = __webpack_require__(/*! ./mergeAll */ 3282);

function concatAll() {
    return (0,_mergeAll__WEBPACK_IMPORTED_MODULE_0__.mergeAll)(1);
}
//# sourceMappingURL=concatAll.js.map

/***/ }),

/***/ 4612:
/*!********************************************************************!*\
  !*** ./node_modules/rxjs/_esm2015/internal/operators/concatMap.js ***!
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/***/ ((__unused_webpack_module, __webpack_exports__, __webpack_require__) => {

"use strict";
__webpack_require__.r(__webpack_exports__);
/* harmony export */ __webpack_require__.d(__webpack_exports__, {
/* harmony export */   "concatMap": () => (/* binding */ concatMap)
/* harmony export */ });
/* harmony import */ var _mergeMap__WEBPACK_IMPORTED_MODULE_0__ = __webpack_require__(/*! ./mergeMap */ 9773);

function concatMap(project, resultSelector) {
    return (0,_mergeMap__WEBPACK_IMPORTED_MODULE_0__.mergeMap)(project, resultSelector, 1);
}
//# sourceMappingURL=concatMap.js.map

/***/ }),

/***/ 5242:
/*!*************************************************************************!*\
  !*** ./node_modules/rxjs/_esm2015/internal/operators/defaultIfEmpty.js ***!
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/***/ ((__unused_webpack_module, __webpack_exports__, __webpack_require__) => {

"use strict";
__webpack_require__.r(__webpack_exports__);
/* harmony export */ __webpack_require__.d(__webpack_exports__, {
/* harmony export */   "defaultIfEmpty": () => (/* binding */ defaultIfEmpty)
/* harmony export */ });
/* harmony import */ var _Subscriber__WEBPACK_IMPORTED_MODULE_0__ = __webpack_require__(/*! ../Subscriber */ 7393);

function defaultIfEmpty(defaultValue = null) {
    return (source) => source.lift(new DefaultIfEmptyOperator(defaultValue));
}
class DefaultIfEmptyOperator {
    constructor(defaultValue) {
        this.defaultValue = defaultValue;
    }
    call(subscriber, source) {
        return source.subscribe(new DefaultIfEmptySubscriber(subscriber, this.defaultValue));
    }
}
class DefaultIfEmptySubscriber extends _Subscriber__WEBPACK_IMPORTED_MODULE_0__.Subscriber {
    constructor(destination, defaultValue) {
        super(destination);
        this.defaultValue = defaultValue;
        this.isEmpty = true;
    }
    _next(value) {
        this.isEmpty = false;
        this.destination.next(value);
    }
    _complete() {
        if (this.isEmpty) {
            this.destination.next(this.defaultValue);
        }
        this.destination.complete();
    }
}
//# sourceMappingURL=defaultIfEmpty.js.map

/***/ }),

/***/ 7519:
/*!*******************************************************************************!*\
  !*** ./node_modules/rxjs/_esm2015/internal/operators/distinctUntilChanged.js ***!
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/***/ ((__unused_webpack_module, __webpack_exports__, __webpack_require__) => {

"use strict";
__webpack_require__.r(__webpack_exports__);
/* harmony export */ __webpack_require__.d(__webpack_exports__, {
/* harmony export */   "distinctUntilChanged": () => (/* binding */ distinctUntilChanged)
/* harmony export */ });
/* harmony import */ var _Subscriber__WEBPACK_IMPORTED_MODULE_0__ = __webpack_require__(/*! ../Subscriber */ 7393);

function distinctUntilChanged(compare, keySelector) {
    return (source) => source.lift(new DistinctUntilChangedOperator(compare, keySelector));
}
class DistinctUntilChangedOperator {
    constructor(compare, keySelector) {
        this.compare = compare;
        this.keySelector = keySelector;
    }
    call(subscriber, source) {
        return source.subscribe(new DistinctUntilChangedSubscriber(subscriber, this.compare, this.keySelector));
    }
}
class DistinctUntilChangedSubscriber extends _Subscriber__WEBPACK_IMPORTED_MODULE_0__.Subscriber {
    constructor(destination, compare, keySelector) {
        super(destination);
        this.keySelector = keySelector;
        this.hasKey = false;
        if (typeof compare === 'function') {
            this.compare = compare;
        }
    }
    compare(x, y) {
        return x === y;
    }
    _next(value) {
        let key;
        try {
            const { keySelector } = this;
            key = keySelector ? keySelector(value) : value;
        }
        catch (err) {
            return this.destination.error(err);
        }
        let result = false;
        if (this.hasKey) {
            try {
                const { compare } = this;
                result = compare(this.key, key);
            }
            catch (err) {
                return this.destination.error(err);
            }
        }
        else {
            this.hasKey = true;
        }
        if (!result) {
            this.key = key;
            this.destination.next(value);
        }
    }
}
//# sourceMappingURL=distinctUntilChanged.js.map

/***/ }),

/***/ 5435:
/*!*****************************************************************!*\
  !*** ./node_modules/rxjs/_esm2015/internal/operators/filter.js ***!
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/***/ ((__unused_webpack_module, __webpack_exports__, __webpack_require__) => {

"use strict";
__webpack_require__.r(__webpack_exports__);
/* harmony export */ __webpack_require__.d(__webpack_exports__, {
/* harmony export */   "filter": () => (/* binding */ filter)
/* harmony export */ });
/* harmony import */ var _Subscriber__WEBPACK_IMPORTED_MODULE_0__ = __webpack_require__(/*! ../Subscriber */ 7393);

function filter(predicate, thisArg) {
    return function filterOperatorFunction(source) {
        return source.lift(new FilterOperator(predicate, thisArg));
    };
}
class FilterOperator {
    constructor(predicate, thisArg) {
        this.predicate = predicate;
        this.thisArg = thisArg;
    }
    call(subscriber, source) {
        return source.subscribe(new FilterSubscriber(subscriber, this.predicate, this.thisArg));
    }
}
class FilterSubscriber extends _Subscriber__WEBPACK_IMPORTED_MODULE_0__.Subscriber {
    constructor(destination, predicate, thisArg) {
        super(destination);
        this.predicate = predicate;
        this.thisArg = thisArg;
        this.count = 0;
    }
    _next(value) {
        let result;
        try {
            result = this.predicate.call(this.thisArg, value, this.count++);
        }
        catch (err) {
            this.destination.error(err);
            return;
        }
        if (result) {
            this.destination.next(value);
        }
    }
}
//# sourceMappingURL=filter.js.map

/***/ }),

/***/ 8939:
/*!*******************************************************************!*\
  !*** ./node_modules/rxjs/_esm2015/internal/operators/finalize.js ***!
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/***/ ((__unused_webpack_module, __webpack_exports__, __webpack_require__) => {

"use strict";
__webpack_require__.r(__webpack_exports__);
/* harmony export */ __webpack_require__.d(__webpack_exports__, {
/* harmony export */   "finalize": () => (/* binding */ finalize)
/* harmony export */ });
/* harmony import */ var _Subscriber__WEBPACK_IMPORTED_MODULE_0__ = __webpack_require__(/*! ../Subscriber */ 7393);
/* harmony import */ var _Subscription__WEBPACK_IMPORTED_MODULE_1__ = __webpack_require__(/*! ../Subscription */ 826);


function finalize(callback) {
    return (source) => source.lift(new FinallyOperator(callback));
}
class FinallyOperator {
    constructor(callback) {
        this.callback = callback;
    }
    call(subscriber, source) {
        return source.subscribe(new FinallySubscriber(subscriber, this.callback));
    }
}
class FinallySubscriber extends _Subscriber__WEBPACK_IMPORTED_MODULE_0__.Subscriber {
    constructor(destination, callback) {
        super(destination);
        this.add(new _Subscription__WEBPACK_IMPORTED_MODULE_1__.Subscription(callback));
    }
}
//# sourceMappingURL=finalize.js.map

/***/ }),

/***/ 8049:
/*!****************************************************************!*\
  !*** ./node_modules/rxjs/_esm2015/internal/operators/first.js ***!
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/***/ ((__unused_webpack_module, __webpack_exports__, __webpack_require__) => {

"use strict";
__webpack_require__.r(__webpack_exports__);
/* harmony export */ __webpack_require__.d(__webpack_exports__, {
/* harmony export */   "first": () => (/* binding */ first)
/* harmony export */ });
/* harmony import */ var _util_EmptyError__WEBPACK_IMPORTED_MODULE_5__ = __webpack_require__(/*! ../util/EmptyError */ 3410);
/* harmony import */ var _filter__WEBPACK_IMPORTED_MODULE_0__ = __webpack_require__(/*! ./filter */ 5435);
/* harmony import */ var _take__WEBPACK_IMPORTED_MODULE_2__ = __webpack_require__(/*! ./take */ 5257);
/* harmony import */ var _defaultIfEmpty__WEBPACK_IMPORTED_MODULE_3__ = __webpack_require__(/*! ./defaultIfEmpty */ 5242);
/* harmony import */ var _throwIfEmpty__WEBPACK_IMPORTED_MODULE_4__ = __webpack_require__(/*! ./throwIfEmpty */ 4635);
/* harmony import */ var _util_identity__WEBPACK_IMPORTED_MODULE_1__ = __webpack_require__(/*! ../util/identity */ 4487);






function first(predicate, defaultValue) {
    const hasDefaultValue = arguments.length >= 2;
    return (source) => source.pipe(predicate ? (0,_filter__WEBPACK_IMPORTED_MODULE_0__.filter)((v, i) => predicate(v, i, source)) : _util_identity__WEBPACK_IMPORTED_MODULE_1__.identity, (0,_take__WEBPACK_IMPORTED_MODULE_2__.take)(1), hasDefaultValue ? (0,_defaultIfEmpty__WEBPACK_IMPORTED_MODULE_3__.defaultIfEmpty)(defaultValue) : (0,_throwIfEmpty__WEBPACK_IMPORTED_MODULE_4__.throwIfEmpty)(() => new _util_EmptyError__WEBPACK_IMPORTED_MODULE_5__.EmptyError()));
}
//# sourceMappingURL=first.js.map

/***/ }),

/***/ 2627:
/*!***************************************************************!*\
  !*** ./node_modules/rxjs/_esm2015/internal/operators/last.js ***!
  \***************************************************************/
/***/ ((__unused_webpack_module, __webpack_exports__, __webpack_require__) => {

"use strict";
__webpack_require__.r(__webpack_exports__);
/* harmony export */ __webpack_require__.d(__webpack_exports__, {
/* harmony export */   "last": () => (/* binding */ last)
/* harmony export */ });
/* harmony import */ var _util_EmptyError__WEBPACK_IMPORTED_MODULE_5__ = __webpack_require__(/*! ../util/EmptyError */ 3410);
/* harmony import */ var _filter__WEBPACK_IMPORTED_MODULE_0__ = __webpack_require__(/*! ./filter */ 5435);
/* harmony import */ var _takeLast__WEBPACK_IMPORTED_MODULE_2__ = __webpack_require__(/*! ./takeLast */ 548);
/* harmony import */ var _throwIfEmpty__WEBPACK_IMPORTED_MODULE_4__ = __webpack_require__(/*! ./throwIfEmpty */ 4635);
/* harmony import */ var _defaultIfEmpty__WEBPACK_IMPORTED_MODULE_3__ = __webpack_require__(/*! ./defaultIfEmpty */ 5242);
/* harmony import */ var _util_identity__WEBPACK_IMPORTED_MODULE_1__ = __webpack_require__(/*! ../util/identity */ 4487);






function last(predicate, defaultValue) {
    const hasDefaultValue = arguments.length >= 2;
    return (source) => source.pipe(predicate ? (0,_filter__WEBPACK_IMPORTED_MODULE_0__.filter)((v, i) => predicate(v, i, source)) : _util_identity__WEBPACK_IMPORTED_MODULE_1__.identity, (0,_takeLast__WEBPACK_IMPORTED_MODULE_2__.takeLast)(1), hasDefaultValue ? (0,_defaultIfEmpty__WEBPACK_IMPORTED_MODULE_3__.defaultIfEmpty)(defaultValue) : (0,_throwIfEmpty__WEBPACK_IMPORTED_MODULE_4__.throwIfEmpty)(() => new _util_EmptyError__WEBPACK_IMPORTED_MODULE_5__.EmptyError()));
}
//# sourceMappingURL=last.js.map

/***/ }),

/***/ 8002:
/*!**************************************************************!*\
  !*** ./node_modules/rxjs/_esm2015/internal/operators/map.js ***!
  \**************************************************************/
/***/ ((__unused_webpack_module, __webpack_exports__, __webpack_require__) => {

"use strict";
__webpack_require__.r(__webpack_exports__);
/* harmony export */ __webpack_require__.d(__webpack_exports__, {
/* harmony export */   "map": () => (/* binding */ map),
/* harmony export */   "MapOperator": () => (/* binding */ MapOperator)
/* harmony export */ });
/* harmony import */ var _Subscriber__WEBPACK_IMPORTED_MODULE_0__ = __webpack_require__(/*! ../Subscriber */ 7393);

function map(project, thisArg) {
    return function mapOperation(source) {
        if (typeof project !== 'function') {
            throw new TypeError('argument is not a function. Are you looking for `mapTo()`?');
        }
        return source.lift(new MapOperator(project, thisArg));
    };
}
class MapOperator {
    constructor(project, thisArg) {
        this.project = project;
        this.thisArg = thisArg;
    }
    call(subscriber, source) {
        return source.subscribe(new MapSubscriber(subscriber, this.project, this.thisArg));
    }
}
class MapSubscriber extends _Subscriber__WEBPACK_IMPORTED_MODULE_0__.Subscriber {
    constructor(destination, project, thisArg) {
        super(destination);
        this.project = project;
        this.count = 0;
        this.thisArg = thisArg || this;
    }
    _next(value) {
        let result;
        try {
            result = this.project.call(this.thisArg, value, this.count++);
        }
        catch (err) {
            this.destination.error(err);
            return;
        }
        this.destination.next(result);
    }
}
//# sourceMappingURL=map.js.map

/***/ }),

/***/ 3282:
/*!*******************************************************************!*\
  !*** ./node_modules/rxjs/_esm2015/internal/operators/mergeAll.js ***!
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/***/ ((__unused_webpack_module, __webpack_exports__, __webpack_require__) => {

"use strict";
__webpack_require__.r(__webpack_exports__);
/* harmony export */ __webpack_require__.d(__webpack_exports__, {
/* harmony export */   "mergeAll": () => (/* binding */ mergeAll)
/* harmony export */ });
/* harmony import */ var _mergeMap__WEBPACK_IMPORTED_MODULE_0__ = __webpack_require__(/*! ./mergeMap */ 9773);
/* harmony import */ var _util_identity__WEBPACK_IMPORTED_MODULE_1__ = __webpack_require__(/*! ../util/identity */ 4487);


function mergeAll(concurrent = Number.POSITIVE_INFINITY) {
    return (0,_mergeMap__WEBPACK_IMPORTED_MODULE_0__.mergeMap)(_util_identity__WEBPACK_IMPORTED_MODULE_1__.identity, concurrent);
}
//# sourceMappingURL=mergeAll.js.map

/***/ }),

/***/ 9773:
/*!*******************************************************************!*\
  !*** ./node_modules/rxjs/_esm2015/internal/operators/mergeMap.js ***!
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/***/ ((__unused_webpack_module, __webpack_exports__, __webpack_require__) => {

"use strict";
__webpack_require__.r(__webpack_exports__);
/* harmony export */ __webpack_require__.d(__webpack_exports__, {
/* harmony export */   "mergeMap": () => (/* binding */ mergeMap),
/* harmony export */   "MergeMapOperator": () => (/* binding */ MergeMapOperator),
/* harmony export */   "MergeMapSubscriber": () => (/* binding */ MergeMapSubscriber),
/* harmony export */   "flatMap": () => (/* binding */ flatMap)
/* harmony export */ });
/* harmony import */ var _map__WEBPACK_IMPORTED_MODULE_1__ = __webpack_require__(/*! ./map */ 8002);
/* harmony import */ var _observable_from__WEBPACK_IMPORTED_MODULE_0__ = __webpack_require__(/*! ../observable/from */ 9412);
/* harmony import */ var _innerSubscribe__WEBPACK_IMPORTED_MODULE_2__ = __webpack_require__(/*! ../innerSubscribe */ 5345);



function mergeMap(project, resultSelector, concurrent = Number.POSITIVE_INFINITY) {
    if (typeof resultSelector === 'function') {
        return (source) => source.pipe(mergeMap((a, i) => (0,_observable_from__WEBPACK_IMPORTED_MODULE_0__.from)(project(a, i)).pipe((0,_map__WEBPACK_IMPORTED_MODULE_1__.map)((b, ii) => resultSelector(a, b, i, ii))), concurrent));
    }
    else if (typeof resultSelector === 'number') {
        concurrent = resultSelector;
    }
    return (source) => source.lift(new MergeMapOperator(project, concurrent));
}
class MergeMapOperator {
    constructor(project, concurrent = Number.POSITIVE_INFINITY) {
        this.project = project;
        this.concurrent = concurrent;
    }
    call(observer, source) {
        return source.subscribe(new MergeMapSubscriber(observer, this.project, this.concurrent));
    }
}
class MergeMapSubscriber extends _innerSubscribe__WEBPACK_IMPORTED_MODULE_2__.SimpleOuterSubscriber {
    constructor(destination, project, concurrent = Number.POSITIVE_INFINITY) {
        super(destination);
        this.project = project;
        this.concurrent = concurrent;
        this.hasCompleted = false;
        this.buffer = [];
        this.active = 0;
        this.index = 0;
    }
    _next(value) {
        if (this.active < this.concurrent) {
            this._tryNext(value);
        }
        else {
            this.buffer.push(value);
        }
    }
    _tryNext(value) {
        let result;
        const index = this.index++;
        try {
            result = this.project(value, index);
        }
        catch (err) {
            this.destination.error(err);
            return;
        }
        this.active++;
        this._innerSub(result);
    }
    _innerSub(ish) {
        const innerSubscriber = new _innerSubscribe__WEBPACK_IMPORTED_MODULE_2__.SimpleInnerSubscriber(this);
        const destination = this.destination;
        destination.add(innerSubscriber);
        const innerSubscription = (0,_innerSubscribe__WEBPACK_IMPORTED_MODULE_2__.innerSubscribe)(ish, innerSubscriber);
        if (innerSubscription !== innerSubscriber) {
            destination.add(innerSubscription);
        }
    }
    _complete() {
        this.hasCompleted = true;
        if (this.active === 0 && this.buffer.length === 0) {
            this.destination.complete();
        }
        this.unsubscribe();
    }
    notifyNext(innerValue) {
        this.destination.next(innerValue);
    }
    notifyComplete() {
        const buffer = this.buffer;
        this.active--;
        if (buffer.length > 0) {
            this._next(buffer.shift());
        }
        else if (this.active === 0 && this.hasCompleted) {
            this.destination.complete();
        }
    }
}
const flatMap = mergeMap;
//# sourceMappingURL=mergeMap.js.map

/***/ }),

/***/ 4458:
/*!********************************************************************!*\
  !*** ./node_modules/rxjs/_esm2015/internal/operators/multicast.js ***!
  \********************************************************************/
/***/ ((__unused_webpack_module, __webpack_exports__, __webpack_require__) => {

"use strict";
__webpack_require__.r(__webpack_exports__);
/* harmony export */ __webpack_require__.d(__webpack_exports__, {
/* harmony export */   "multicast": () => (/* binding */ multicast),
/* harmony export */   "MulticastOperator": () => (/* binding */ MulticastOperator)
/* harmony export */ });
/* harmony import */ var _observable_ConnectableObservable__WEBPACK_IMPORTED_MODULE_0__ = __webpack_require__(/*! ../observable/ConnectableObservable */ 2441);

function multicast(subjectOrSubjectFactory, selector) {
    return function multicastOperatorFunction(source) {
        let subjectFactory;
        if (typeof subjectOrSubjectFactory === 'function') {
            subjectFactory = subjectOrSubjectFactory;
        }
        else {
            subjectFactory = function subjectFactory() {
                return subjectOrSubjectFactory;
            };
        }
        if (typeof selector === 'function') {
            return source.lift(new MulticastOperator(subjectFactory, selector));
        }
        const connectable = Object.create(source, _observable_ConnectableObservable__WEBPACK_IMPORTED_MODULE_0__.connectableObservableDescriptor);
        connectable.source = source;
        connectable.subjectFactory = subjectFactory;
        return connectable;
    };
}
class MulticastOperator {
    constructor(subjectFactory, selector) {
        this.subjectFactory = subjectFactory;
        this.selector = selector;
    }
    call(subscriber, source) {
        const { selector } = this;
        const subject = this.subjectFactory();
        const subscription = selector(subject).subscribe(subscriber);
        subscription.add(source.subscribe(subject));
        return subscription;
    }
}
//# sourceMappingURL=multicast.js.map

/***/ }),

/***/ 9746:
/*!********************************************************************!*\
  !*** ./node_modules/rxjs/_esm2015/internal/operators/observeOn.js ***!
  \********************************************************************/
/***/ ((__unused_webpack_module, __webpack_exports__, __webpack_require__) => {

"use strict";
__webpack_require__.r(__webpack_exports__);
/* harmony export */ __webpack_require__.d(__webpack_exports__, {
/* harmony export */   "observeOn": () => (/* binding */ observeOn),
/* harmony export */   "ObserveOnOperator": () => (/* binding */ ObserveOnOperator),
/* harmony export */   "ObserveOnSubscriber": () => (/* binding */ ObserveOnSubscriber),
/* harmony export */   "ObserveOnMessage": () => (/* binding */ ObserveOnMessage)
/* harmony export */ });
/* harmony import */ var _Subscriber__WEBPACK_IMPORTED_MODULE_0__ = __webpack_require__(/*! ../Subscriber */ 7393);
/* harmony import */ var _Notification__WEBPACK_IMPORTED_MODULE_1__ = __webpack_require__(/*! ../Notification */ 3098);


function observeOn(scheduler, delay = 0) {
    return function observeOnOperatorFunction(source) {
        return source.lift(new ObserveOnOperator(scheduler, delay));
    };
}
class ObserveOnOperator {
    constructor(scheduler, delay = 0) {
        this.scheduler = scheduler;
        this.delay = delay;
    }
    call(subscriber, source) {
        return source.subscribe(new ObserveOnSubscriber(subscriber, this.scheduler, this.delay));
    }
}
class ObserveOnSubscriber extends _Subscriber__WEBPACK_IMPORTED_MODULE_0__.Subscriber {
    constructor(destination, scheduler, delay = 0) {
        super(destination);
        this.scheduler = scheduler;
        this.delay = delay;
    }
    static dispatch(arg) {
        const { notification, destination } = arg;
        notification.observe(destination);
        this.unsubscribe();
    }
    scheduleMessage(notification) {
        const destination = this.destination;
        destination.add(this.scheduler.schedule(ObserveOnSubscriber.dispatch, this.delay, new ObserveOnMessage(notification, this.destination)));
    }
    _next(value) {
        this.scheduleMessage(_Notification__WEBPACK_IMPORTED_MODULE_1__.Notification.createNext(value));
    }
    _error(err) {
        this.scheduleMessage(_Notification__WEBPACK_IMPORTED_MODULE_1__.Notification.createError(err));
        this.unsubscribe();
    }
    _complete() {
        this.scheduleMessage(_Notification__WEBPACK_IMPORTED_MODULE_1__.Notification.createComplete());
        this.unsubscribe();
    }
}
class ObserveOnMessage {
    constructor(notification, destination) {
        this.notification = notification;
        this.destination = destination;
    }
}
//# sourceMappingURL=observeOn.js.map

/***/ }),

/***/ 1307:
/*!*******************************************************************!*\
  !*** ./node_modules/rxjs/_esm2015/internal/operators/refCount.js ***!
  \*******************************************************************/
/***/ ((__unused_webpack_module, __webpack_exports__, __webpack_require__) => {

"use strict";
__webpack_require__.r(__webpack_exports__);
/* harmony export */ __webpack_require__.d(__webpack_exports__, {
/* harmony export */   "refCount": () => (/* binding */ refCount)
/* harmony export */ });
/* harmony import */ var _Subscriber__WEBPACK_IMPORTED_MODULE_0__ = __webpack_require__(/*! ../Subscriber */ 7393);

function refCount() {
    return function refCountOperatorFunction(source) {
        return source.lift(new RefCountOperator(source));
    };
}
class RefCountOperator {
    constructor(connectable) {
        this.connectable = connectable;
    }
    call(subscriber, source) {
        const { connectable } = this;
        connectable._refCount++;
        const refCounter = new RefCountSubscriber(subscriber, connectable);
        const subscription = source.subscribe(refCounter);
        if (!refCounter.closed) {
            refCounter.connection = connectable.connect();
        }
        return subscription;
    }
}
class RefCountSubscriber extends _Subscriber__WEBPACK_IMPORTED_MODULE_0__.Subscriber {
    constructor(destination, connectable) {
        super(destination);
        this.connectable = connectable;
    }
    _unsubscribe() {
        const { connectable } = this;
        if (!connectable) {
            this.connection = null;
            return;
        }
        this.connectable = null;
        const refCount = connectable._refCount;
        if (refCount <= 0) {
            this.connection = null;
            return;
        }
        connectable._refCount = refCount - 1;
        if (refCount > 1) {
            this.connection = null;
            return;
        }
        const { connection } = this;
        const sharedConnection = connectable._connection;
        this.connection = null;
        if (sharedConnection && (!connection || sharedConnection === connection)) {
            sharedConnection.unsubscribe();
        }
    }
}
//# sourceMappingURL=refCount.js.map

/***/ }),

/***/ 2145:
/*!***************************************************************!*\
  !*** ./node_modules/rxjs/_esm2015/internal/operators/scan.js ***!
  \***************************************************************/
/***/ ((__unused_webpack_module, __webpack_exports__, __webpack_require__) => {

"use strict";
__webpack_require__.r(__webpack_exports__);
/* harmony export */ __webpack_require__.d(__webpack_exports__, {
/* harmony export */   "scan": () => (/* binding */ scan)
/* harmony export */ });
/* harmony import */ var _Subscriber__WEBPACK_IMPORTED_MODULE_0__ = __webpack_require__(/*! ../Subscriber */ 7393);

function scan(accumulator, seed) {
    let hasSeed = false;
    if (arguments.length >= 2) {
        hasSeed = true;
    }
    return function scanOperatorFunction(source) {
        return source.lift(new ScanOperator(accumulator, seed, hasSeed));
    };
}
class ScanOperator {
    constructor(accumulator, seed, hasSeed = false) {
        this.accumulator = accumulator;
        this.seed = seed;
        this.hasSeed = hasSeed;
    }
    call(subscriber, source) {
        return source.subscribe(new ScanSubscriber(subscriber, this.accumulator, this.seed, this.hasSeed));
    }
}
class ScanSubscriber extends _Subscriber__WEBPACK_IMPORTED_MODULE_0__.Subscriber {
    constructor(destination, accumulator, _seed, hasSeed) {
        super(destination);
        this.accumulator = accumulator;
        this._seed = _seed;
        this.hasSeed = hasSeed;
        this.index = 0;
    }
    get seed() {
        return this._seed;
    }
    set seed(value) {
        this.hasSeed = true;
        this._seed = value;
    }
    _next(value) {
        if (!this.hasSeed) {
            this.seed = value;
            this.destination.next(value);
        }
        else {
            return this._tryNext(value);
        }
    }
    _tryNext(value) {
        const index = this.index++;
        let result;
        try {
            result = this.accumulator(this.seed, value, index);
        }
        catch (err) {
            this.destination.error(err);
        }
        this.seed = result;
        this.destination.next(result);
    }
}
//# sourceMappingURL=scan.js.map

/***/ }),

/***/ 8345:
/*!****************************************************************!*\
  !*** ./node_modules/rxjs/_esm2015/internal/operators/share.js ***!
  \****************************************************************/
/***/ ((__unused_webpack_module, __webpack_exports__, __webpack_require__) => {

"use strict";
__webpack_require__.r(__webpack_exports__);
/* harmony export */ __webpack_require__.d(__webpack_exports__, {
/* harmony export */   "share": () => (/* binding */ share)
/* harmony export */ });
/* harmony import */ var _multicast__WEBPACK_IMPORTED_MODULE_2__ = __webpack_require__(/*! ./multicast */ 4458);
/* harmony import */ var _refCount__WEBPACK_IMPORTED_MODULE_1__ = __webpack_require__(/*! ./refCount */ 1307);
/* harmony import */ var _Subject__WEBPACK_IMPORTED_MODULE_0__ = __webpack_require__(/*! ../Subject */ 9765);



function shareSubjectFactory() {
    return new _Subject__WEBPACK_IMPORTED_MODULE_0__.Subject();
}
function share() {
    return (source) => (0,_refCount__WEBPACK_IMPORTED_MODULE_1__.refCount)()((0,_multicast__WEBPACK_IMPORTED_MODULE_2__.multicast)(shareSubjectFactory)(source));
}
//# sourceMappingURL=share.js.map

/***/ }),

/***/ 7349:
/*!**********************************************************************!*\
  !*** ./node_modules/rxjs/_esm2015/internal/operators/shareReplay.js ***!
  \**********************************************************************/
/***/ ((__unused_webpack_module, __webpack_exports__, __webpack_require__) => {

"use strict";
__webpack_require__.r(__webpack_exports__);
/* harmony export */ __webpack_require__.d(__webpack_exports__, {
/* harmony export */   "shareReplay": () => (/* binding */ shareReplay)
/* harmony export */ });
/* harmony import */ var _ReplaySubject__WEBPACK_IMPORTED_MODULE_0__ = __webpack_require__(/*! ../ReplaySubject */ 8229);

function shareReplay(configOrBufferSize, windowTime, scheduler) {
    let config;
    if (configOrBufferSize && typeof configOrBufferSize === 'object') {
        config = configOrBufferSize;
    }
    else {
        config = {
            bufferSize: configOrBufferSize,
            windowTime,
            refCount: false,
            scheduler,
        };
    }
    return (source) => source.lift(shareReplayOperator(config));
}
function shareReplayOperator({ bufferSize = Number.POSITIVE_INFINITY, windowTime = Number.POSITIVE_INFINITY, refCount: useRefCount, scheduler, }) {
    let subject;
    let refCount = 0;
    let subscription;
    let hasError = false;
    let isComplete = false;
    return function shareReplayOperation(source) {
        refCount++;
        let innerSub;
        if (!subject || hasError) {
            hasError = false;
            subject = new _ReplaySubject__WEBPACK_IMPORTED_MODULE_0__.ReplaySubject(bufferSize, windowTime, scheduler);
            innerSub = subject.subscribe(this);
            subscription = source.subscribe({
                next(value) {
                    subject.next(value);
                },
                error(err) {
                    hasError = true;
                    subject.error(err);
                },
                complete() {
                    isComplete = true;
                    subscription = undefined;
                    subject.complete();
                },
            });
            if (isComplete) {
                subscription = undefined;
            }
        }
        else {
            innerSub = subject.subscribe(this);
        }
        this.add(() => {
            refCount--;
            innerSub.unsubscribe();
            innerSub = undefined;
            if (subscription && !isComplete && useRefCount && refCount === 0) {
                subscription.unsubscribe();
                subscription = undefined;
                subject = undefined;
            }
        });
    };
}
//# sourceMappingURL=shareReplay.js.map

/***/ }),

/***/ 9761:
/*!********************************************************************!*\
  !*** ./node_modules/rxjs/_esm2015/internal/operators/startWith.js ***!
  \********************************************************************/
/***/ ((__unused_webpack_module, __webpack_exports__, __webpack_require__) => {

"use strict";
__webpack_require__.r(__webpack_exports__);
/* harmony export */ __webpack_require__.d(__webpack_exports__, {
/* harmony export */   "startWith": () => (/* binding */ startWith)
/* harmony export */ });
/* harmony import */ var _observable_concat__WEBPACK_IMPORTED_MODULE_1__ = __webpack_require__(/*! ../observable/concat */ 9923);
/* harmony import */ var _util_isScheduler__WEBPACK_IMPORTED_MODULE_0__ = __webpack_require__(/*! ../util/isScheduler */ 4869);


function startWith(...array) {
    const scheduler = array[array.length - 1];
    if ((0,_util_isScheduler__WEBPACK_IMPORTED_MODULE_0__.isScheduler)(scheduler)) {
        array.pop();
        return (source) => (0,_observable_concat__WEBPACK_IMPORTED_MODULE_1__.concat)(array, source, scheduler);
    }
    else {
        return (source) => (0,_observable_concat__WEBPACK_IMPORTED_MODULE_1__.concat)(array, source);
    }
}
//# sourceMappingURL=startWith.js.map

/***/ }),

/***/ 3190:
/*!********************************************************************!*\
  !*** ./node_modules/rxjs/_esm2015/internal/operators/switchMap.js ***!
  \********************************************************************/
/***/ ((__unused_webpack_module, __webpack_exports__, __webpack_require__) => {

"use strict";
__webpack_require__.r(__webpack_exports__);
/* harmony export */ __webpack_require__.d(__webpack_exports__, {
/* harmony export */   "switchMap": () => (/* binding */ switchMap)
/* harmony export */ });
/* harmony import */ var _map__WEBPACK_IMPORTED_MODULE_1__ = __webpack_require__(/*! ./map */ 8002);
/* harmony import */ var _observable_from__WEBPACK_IMPORTED_MODULE_0__ = __webpack_require__(/*! ../observable/from */ 9412);
/* harmony import */ var _innerSubscribe__WEBPACK_IMPORTED_MODULE_2__ = __webpack_require__(/*! ../innerSubscribe */ 5345);



function switchMap(project, resultSelector) {
    if (typeof resultSelector === 'function') {
        return (source) => source.pipe(switchMap((a, i) => (0,_observable_from__WEBPACK_IMPORTED_MODULE_0__.from)(project(a, i)).pipe((0,_map__WEBPACK_IMPORTED_MODULE_1__.map)((b, ii) => resultSelector(a, b, i, ii)))));
    }
    return (source) => source.lift(new SwitchMapOperator(project));
}
class SwitchMapOperator {
    constructor(project) {
        this.project = project;
    }
    call(subscriber, source) {
        return source.subscribe(new SwitchMapSubscriber(subscriber, this.project));
    }
}
class SwitchMapSubscriber extends _innerSubscribe__WEBPACK_IMPORTED_MODULE_2__.SimpleOuterSubscriber {
    constructor(destination, project) {
        super(destination);
        this.project = project;
        this.index = 0;
    }
    _next(value) {
        let result;
        const index = this.index++;
        try {
            result = this.project(value, index);
        }
        catch (error) {
            this.destination.error(error);
            return;
        }
        this._innerSub(result);
    }
    _innerSub(result) {
        const innerSubscription = this.innerSubscription;
        if (innerSubscription) {
            innerSubscription.unsubscribe();
        }
        const innerSubscriber = new _innerSubscribe__WEBPACK_IMPORTED_MODULE_2__.SimpleInnerSubscriber(this);
        const destination = this.destination;
        destination.add(innerSubscriber);
        this.innerSubscription = (0,_innerSubscribe__WEBPACK_IMPORTED_MODULE_2__.innerSubscribe)(result, innerSubscriber);
        if (this.innerSubscription !== innerSubscriber) {
            destination.add(this.innerSubscription);
        }
    }
    _complete() {
        const { innerSubscription } = this;
        if (!innerSubscription || innerSubscription.closed) {
            super._complete();
        }
        this.unsubscribe();
    }
    _unsubscribe() {
        this.innerSubscription = undefined;
    }
    notifyComplete() {
        this.innerSubscription = undefined;
        if (this.isStopped) {
            super._complete();
        }
    }
    notifyNext(innerValue) {
        this.destination.next(innerValue);
    }
}
//# sourceMappingURL=switchMap.js.map

/***/ }),

/***/ 5257:
/*!***************************************************************!*\
  !*** ./node_modules/rxjs/_esm2015/internal/operators/take.js ***!
  \***************************************************************/
/***/ ((__unused_webpack_module, __webpack_exports__, __webpack_require__) => {

"use strict";
__webpack_require__.r(__webpack_exports__);
/* harmony export */ __webpack_require__.d(__webpack_exports__, {
/* harmony export */   "take": () => (/* binding */ take)
/* harmony export */ });
/* harmony import */ var _Subscriber__WEBPACK_IMPORTED_MODULE_2__ = __webpack_require__(/*! ../Subscriber */ 7393);
/* harmony import */ var _util_ArgumentOutOfRangeError__WEBPACK_IMPORTED_MODULE_1__ = __webpack_require__(/*! ../util/ArgumentOutOfRangeError */ 7108);
/* harmony import */ var _observable_empty__WEBPACK_IMPORTED_MODULE_0__ = __webpack_require__(/*! ../observable/empty */ 9193);



function take(count) {
    return (source) => {
        if (count === 0) {
            return (0,_observable_empty__WEBPACK_IMPORTED_MODULE_0__.empty)();
        }
        else {
            return source.lift(new TakeOperator(count));
        }
    };
}
class TakeOperator {
    constructor(total) {
        this.total = total;
        if (this.total < 0) {
            throw new _util_ArgumentOutOfRangeError__WEBPACK_IMPORTED_MODULE_1__.ArgumentOutOfRangeError;
        }
    }
    call(subscriber, source) {
        return source.subscribe(new TakeSubscriber(subscriber, this.total));
    }
}
class TakeSubscriber extends _Subscriber__WEBPACK_IMPORTED_MODULE_2__.Subscriber {
    constructor(destination, total) {
        super(destination);
        this.total = total;
        this.count = 0;
    }
    _next(value) {
        const total = this.total;
        const count = ++this.count;
        if (count <= total) {
            this.destination.next(value);
            if (count === total) {
                this.destination.complete();
                this.unsubscribe();
            }
        }
    }
}
//# sourceMappingURL=take.js.map

/***/ }),

/***/ 548:
/*!*******************************************************************!*\
  !*** ./node_modules/rxjs/_esm2015/internal/operators/takeLast.js ***!
  \*******************************************************************/
/***/ ((__unused_webpack_module, __webpack_exports__, __webpack_require__) => {

"use strict";
__webpack_require__.r(__webpack_exports__);
/* harmony export */ __webpack_require__.d(__webpack_exports__, {
/* harmony export */   "takeLast": () => (/* binding */ takeLast)
/* harmony export */ });
/* harmony import */ var _Subscriber__WEBPACK_IMPORTED_MODULE_2__ = __webpack_require__(/*! ../Subscriber */ 7393);
/* harmony import */ var _util_ArgumentOutOfRangeError__WEBPACK_IMPORTED_MODULE_1__ = __webpack_require__(/*! ../util/ArgumentOutOfRangeError */ 7108);
/* harmony import */ var _observable_empty__WEBPACK_IMPORTED_MODULE_0__ = __webpack_require__(/*! ../observable/empty */ 9193);



function takeLast(count) {
    return function takeLastOperatorFunction(source) {
        if (count === 0) {
            return (0,_observable_empty__WEBPACK_IMPORTED_MODULE_0__.empty)();
        }
        else {
            return source.lift(new TakeLastOperator(count));
        }
    };
}
class TakeLastOperator {
    constructor(total) {
        this.total = total;
        if (this.total < 0) {
            throw new _util_ArgumentOutOfRangeError__WEBPACK_IMPORTED_MODULE_1__.ArgumentOutOfRangeError;
        }
    }
    call(subscriber, source) {
        return source.subscribe(new TakeLastSubscriber(subscriber, this.total));
    }
}
class TakeLastSubscriber extends _Subscriber__WEBPACK_IMPORTED_MODULE_2__.Subscriber {
    constructor(destination, total) {
        super(destination);
        this.total = total;
        this.ring = new Array();
        this.count = 0;
    }
    _next(value) {
        const ring = this.ring;
        const total = this.total;
        const count = this.count++;
        if (ring.length < total) {
            ring.push(value);
        }
        else {
            const index = count % total;
            ring[index] = value;
        }
    }
    _complete() {
        const destination = this.destination;
        let count = this.count;
        if (count > 0) {
            const total = this.count >= this.total ? this.total : this.count;
            const ring = this.ring;
            for (let i = 0; i < total; i++) {
                const idx = (count++) % total;
                destination.next(ring[idx]);
            }
        }
        destination.complete();
    }
}
//# sourceMappingURL=takeLast.js.map

/***/ }),

/***/ 8307:
/*!**************************************************************!*\
  !*** ./node_modules/rxjs/_esm2015/internal/operators/tap.js ***!
  \**************************************************************/
/***/ ((__unused_webpack_module, __webpack_exports__, __webpack_require__) => {

"use strict";
__webpack_require__.r(__webpack_exports__);
/* harmony export */ __webpack_require__.d(__webpack_exports__, {
/* harmony export */   "tap": () => (/* binding */ tap)
/* harmony export */ });
/* harmony import */ var _Subscriber__WEBPACK_IMPORTED_MODULE_0__ = __webpack_require__(/*! ../Subscriber */ 7393);
/* harmony import */ var _util_noop__WEBPACK_IMPORTED_MODULE_1__ = __webpack_require__(/*! ../util/noop */ 8640);
/* harmony import */ var _util_isFunction__WEBPACK_IMPORTED_MODULE_2__ = __webpack_require__(/*! ../util/isFunction */ 9105);



function tap(nextOrObserver, error, complete) {
    return function tapOperatorFunction(source) {
        return source.lift(new DoOperator(nextOrObserver, error, complete));
    };
}
class DoOperator {
    constructor(nextOrObserver, error, complete) {
        this.nextOrObserver = nextOrObserver;
        this.error = error;
        this.complete = complete;
    }
    call(subscriber, source) {
        return source.subscribe(new TapSubscriber(subscriber, this.nextOrObserver, this.error, this.complete));
    }
}
class TapSubscriber extends _Subscriber__WEBPACK_IMPORTED_MODULE_0__.Subscriber {
    constructor(destination, observerOrNext, error, complete) {
        super(destination);
        this._tapNext = _util_noop__WEBPACK_IMPORTED_MODULE_1__.noop;
        this._tapError = _util_noop__WEBPACK_IMPORTED_MODULE_1__.noop;
        this._tapComplete = _util_noop__WEBPACK_IMPORTED_MODULE_1__.noop;
        this._tapError = error || _util_noop__WEBPACK_IMPORTED_MODULE_1__.noop;
        this._tapComplete = complete || _util_noop__WEBPACK_IMPORTED_MODULE_1__.noop;
        if ((0,_util_isFunction__WEBPACK_IMPORTED_MODULE_2__.isFunction)(observerOrNext)) {
            this._context = this;
            this._tapNext = observerOrNext;
        }
        else if (observerOrNext) {
            this._context = observerOrNext;
            this._tapNext = observerOrNext.next || _util_noop__WEBPACK_IMPORTED_MODULE_1__.noop;
            this._tapError = observerOrNext.error || _util_noop__WEBPACK_IMPORTED_MODULE_1__.noop;
            this._tapComplete = observerOrNext.complete || _util_noop__WEBPACK_IMPORTED_MODULE_1__.noop;
        }
    }
    _next(value) {
        try {
            this._tapNext.call(this._context, value);
        }
        catch (err) {
            this.destination.error(err);
            return;
        }
        this.destination.next(value);
    }
    _error(err) {
        try {
            this._tapError.call(this._context, err);
        }
        catch (err) {
            this.destination.error(err);
            return;
        }
        this.destination.error(err);
    }
    _complete() {
        try {
            this._tapComplete.call(this._context);
        }
        catch (err) {
            this.destination.error(err);
            return;
        }
        return this.destination.complete();
    }
}
//# sourceMappingURL=tap.js.map

/***/ }),

/***/ 4635:
/*!***********************************************************************!*\
  !*** ./node_modules/rxjs/_esm2015/internal/operators/throwIfEmpty.js ***!
  \***********************************************************************/
/***/ ((__unused_webpack_module, __webpack_exports__, __webpack_require__) => {

"use strict";
__webpack_require__.r(__webpack_exports__);
/* harmony export */ __webpack_require__.d(__webpack_exports__, {
/* harmony export */   "throwIfEmpty": () => (/* binding */ throwIfEmpty)
/* harmony export */ });
/* harmony import */ var _util_EmptyError__WEBPACK_IMPORTED_MODULE_1__ = __webpack_require__(/*! ../util/EmptyError */ 3410);
/* harmony import */ var _Subscriber__WEBPACK_IMPORTED_MODULE_0__ = __webpack_require__(/*! ../Subscriber */ 7393);


function throwIfEmpty(errorFactory = defaultErrorFactory) {
    return (source) => {
        return source.lift(new ThrowIfEmptyOperator(errorFactory));
    };
}
class ThrowIfEmptyOperator {
    constructor(errorFactory) {
        this.errorFactory = errorFactory;
    }
    call(subscriber, source) {
        return source.subscribe(new ThrowIfEmptySubscriber(subscriber, this.errorFactory));
    }
}
class ThrowIfEmptySubscriber extends _Subscriber__WEBPACK_IMPORTED_MODULE_0__.Subscriber {
    constructor(destination, errorFactory) {
        super(destination);
        this.errorFactory = errorFactory;
        this.hasValue = false;
    }
    _next(value) {
        this.hasValue = true;
        this.destination.next(value);
    }
    _complete() {
        if (!this.hasValue) {
            let err;
            try {
                err = this.errorFactory();
            }
            catch (e) {
                err = e;
            }
            this.destination.error(err);
        }
        else {
            return this.destination.complete();
        }
    }
}
function defaultErrorFactory() {
    return new _util_EmptyError__WEBPACK_IMPORTED_MODULE_1__.EmptyError();
}
//# sourceMappingURL=throwIfEmpty.js.map

/***/ }),

/***/ 4087:
/*!************************************************************************!*\
  !*** ./node_modules/rxjs/_esm2015/internal/scheduled/scheduleArray.js ***!
  \************************************************************************/
/***/ ((__unused_webpack_module, __webpack_exports__, __webpack_require__) => {

"use strict";
__webpack_require__.r(__webpack_exports__);
/* harmony export */ __webpack_require__.d(__webpack_exports__, {
/* harmony export */   "scheduleArray": () => (/* binding */ scheduleArray)
/* harmony export */ });
/* harmony import */ var _Observable__WEBPACK_IMPORTED_MODULE_0__ = __webpack_require__(/*! ../Observable */ 9165);
/* harmony import */ var _Subscription__WEBPACK_IMPORTED_MODULE_1__ = __webpack_require__(/*! ../Subscription */ 826);


function scheduleArray(input, scheduler) {
    return new _Observable__WEBPACK_IMPORTED_MODULE_0__.Observable(subscriber => {
        const sub = new _Subscription__WEBPACK_IMPORTED_MODULE_1__.Subscription();
        let i = 0;
        sub.add(scheduler.schedule(function () {
            if (i === input.length) {
                subscriber.complete();
                return;
            }
            subscriber.next(input[i++]);
            if (!subscriber.closed) {
                sub.add(this.schedule());
            }
        }));
        return sub;
    });
}
//# sourceMappingURL=scheduleArray.js.map

/***/ }),

/***/ 7431:
/*!***************************************************************************!*\
  !*** ./node_modules/rxjs/_esm2015/internal/scheduled/scheduleIterable.js ***!
  \***************************************************************************/
/***/ ((__unused_webpack_module, __webpack_exports__, __webpack_require__) => {

"use strict";
__webpack_require__.r(__webpack_exports__);
/* harmony export */ __webpack_require__.d(__webpack_exports__, {
/* harmony export */   "scheduleIterable": () => (/* binding */ scheduleIterable)
/* harmony export */ });
/* harmony import */ var _Observable__WEBPACK_IMPORTED_MODULE_0__ = __webpack_require__(/*! ../Observable */ 9165);
/* harmony import */ var _Subscription__WEBPACK_IMPORTED_MODULE_1__ = __webpack_require__(/*! ../Subscription */ 826);
/* harmony import */ var _symbol_iterator__WEBPACK_IMPORTED_MODULE_2__ = __webpack_require__(/*! ../symbol/iterator */ 377);



function scheduleIterable(input, scheduler) {
    if (!input) {
        throw new Error('Iterable cannot be null');
    }
    return new _Observable__WEBPACK_IMPORTED_MODULE_0__.Observable(subscriber => {
        const sub = new _Subscription__WEBPACK_IMPORTED_MODULE_1__.Subscription();
        let iterator;
        sub.add(() => {
            if (iterator && typeof iterator.return === 'function') {
                iterator.return();
            }
        });
        sub.add(scheduler.schedule(() => {
            iterator = input[_symbol_iterator__WEBPACK_IMPORTED_MODULE_2__.iterator]();
            sub.add(scheduler.schedule(function () {
                if (subscriber.closed) {
                    return;
                }
                let value;
                let done;
                try {
                    const result = iterator.next();
                    value = result.value;
                    done = result.done;
                }
                catch (err) {
                    subscriber.error(err);
                    return;
                }
                if (done) {
                    subscriber.complete();
                }
                else {
                    subscriber.next(value);
                    this.schedule();
                }
            }));
        }));
        return sub;
    });
}
//# sourceMappingURL=scheduleIterable.js.map

/***/ }),

/***/ 3298:
/*!*****************************************************************************!*\
  !*** ./node_modules/rxjs/_esm2015/internal/scheduled/scheduleObservable.js ***!
  \*****************************************************************************/
/***/ ((__unused_webpack_module, __webpack_exports__, __webpack_require__) => {

"use strict";
__webpack_require__.r(__webpack_exports__);
/* harmony export */ __webpack_require__.d(__webpack_exports__, {
/* harmony export */   "scheduleObservable": () => (/* binding */ scheduleObservable)
/* harmony export */ });
/* harmony import */ var _Observable__WEBPACK_IMPORTED_MODULE_0__ = __webpack_require__(/*! ../Observable */ 9165);
/* harmony import */ var _Subscription__WEBPACK_IMPORTED_MODULE_1__ = __webpack_require__(/*! ../Subscription */ 826);
/* harmony import */ var _symbol_observable__WEBPACK_IMPORTED_MODULE_2__ = __webpack_require__(/*! ../symbol/observable */ 6554);



function scheduleObservable(input, scheduler) {
    return new _Observable__WEBPACK_IMPORTED_MODULE_0__.Observable(subscriber => {
        const sub = new _Subscription__WEBPACK_IMPORTED_MODULE_1__.Subscription();
        sub.add(scheduler.schedule(() => {
            const observable = input[_symbol_observable__WEBPACK_IMPORTED_MODULE_2__.observable]();
            sub.add(observable.subscribe({
                next(value) { sub.add(scheduler.schedule(() => subscriber.next(value))); },
                error(err) { sub.add(scheduler.schedule(() => subscriber.error(err))); },
                complete() { sub.add(scheduler.schedule(() => subscriber.complete())); },
            }));
        }));
        return sub;
    });
}
//# sourceMappingURL=scheduleObservable.js.map

/***/ }),

/***/ 4531:
/*!**************************************************************************!*\
  !*** ./node_modules/rxjs/_esm2015/internal/scheduled/schedulePromise.js ***!
  \**************************************************************************/
/***/ ((__unused_webpack_module, __webpack_exports__, __webpack_require__) => {

"use strict";
__webpack_require__.r(__webpack_exports__);
/* harmony export */ __webpack_require__.d(__webpack_exports__, {
/* harmony export */   "schedulePromise": () => (/* binding */ schedulePromise)
/* harmony export */ });
/* harmony import */ var _Observable__WEBPACK_IMPORTED_MODULE_0__ = __webpack_require__(/*! ../Observable */ 9165);
/* harmony import */ var _Subscription__WEBPACK_IMPORTED_MODULE_1__ = __webpack_require__(/*! ../Subscription */ 826);


function schedulePromise(input, scheduler) {
    return new _Observable__WEBPACK_IMPORTED_MODULE_0__.Observable(subscriber => {
        const sub = new _Subscription__WEBPACK_IMPORTED_MODULE_1__.Subscription();
        sub.add(scheduler.schedule(() => input.then(value => {
            sub.add(scheduler.schedule(() => {
                subscriber.next(value);
                sub.add(scheduler.schedule(() => subscriber.complete()));
            }));
        }, err => {
            sub.add(scheduler.schedule(() => subscriber.error(err)));
        })));
        return sub;
    });
}
//# sourceMappingURL=schedulePromise.js.map

/***/ }),

/***/ 3501:
/*!********************************************************************!*\
  !*** ./node_modules/rxjs/_esm2015/internal/scheduled/scheduled.js ***!
  \********************************************************************/
/***/ ((__unused_webpack_module, __webpack_exports__, __webpack_require__) => {

"use strict";
__webpack_require__.r(__webpack_exports__);
/* harmony export */ __webpack_require__.d(__webpack_exports__, {
/* harmony export */   "scheduled": () => (/* binding */ scheduled)
/* harmony export */ });
/* harmony import */ var _scheduleObservable__WEBPACK_IMPORTED_MODULE_1__ = __webpack_require__(/*! ./scheduleObservable */ 3298);
/* harmony import */ var _schedulePromise__WEBPACK_IMPORTED_MODULE_3__ = __webpack_require__(/*! ./schedulePromise */ 4531);
/* harmony import */ var _scheduleArray__WEBPACK_IMPORTED_MODULE_5__ = __webpack_require__(/*! ./scheduleArray */ 4087);
/* harmony import */ var _scheduleIterable__WEBPACK_IMPORTED_MODULE_7__ = __webpack_require__(/*! ./scheduleIterable */ 7431);
/* harmony import */ var _util_isInteropObservable__WEBPACK_IMPORTED_MODULE_0__ = __webpack_require__(/*! ../util/isInteropObservable */ 6375);
/* harmony import */ var _util_isPromise__WEBPACK_IMPORTED_MODULE_2__ = __webpack_require__(/*! ../util/isPromise */ 4072);
/* harmony import */ var _util_isArrayLike__WEBPACK_IMPORTED_MODULE_4__ = __webpack_require__(/*! ../util/isArrayLike */ 9489);
/* harmony import */ var _util_isIterable__WEBPACK_IMPORTED_MODULE_6__ = __webpack_require__(/*! ../util/isIterable */ 3249);








function scheduled(input, scheduler) {
    if (input != null) {
        if ((0,_util_isInteropObservable__WEBPACK_IMPORTED_MODULE_0__.isInteropObservable)(input)) {
            return (0,_scheduleObservable__WEBPACK_IMPORTED_MODULE_1__.scheduleObservable)(input, scheduler);
        }
        else if ((0,_util_isPromise__WEBPACK_IMPORTED_MODULE_2__.isPromise)(input)) {
            return (0,_schedulePromise__WEBPACK_IMPORTED_MODULE_3__.schedulePromise)(input, scheduler);
        }
        else if ((0,_util_isArrayLike__WEBPACK_IMPORTED_MODULE_4__.isArrayLike)(input)) {
            return (0,_scheduleArray__WEBPACK_IMPORTED_MODULE_5__.scheduleArray)(input, scheduler);
        }
        else if ((0,_util_isIterable__WEBPACK_IMPORTED_MODULE_6__.isIterable)(input) || typeof input === 'string') {
            return (0,_scheduleIterable__WEBPACK_IMPORTED_MODULE_7__.scheduleIterable)(input, scheduler);
        }
    }
    throw new TypeError((input !== null && typeof input || input) + ' is not observable');
}
//# sourceMappingURL=scheduled.js.map

/***/ }),

/***/ 2901:
/*!*****************************************************************!*\
  !*** ./node_modules/rxjs/_esm2015/internal/scheduler/Action.js ***!
  \*****************************************************************/
/***/ ((__unused_webpack_module, __webpack_exports__, __webpack_require__) => {

"use strict";
__webpack_require__.r(__webpack_exports__);
/* harmony export */ __webpack_require__.d(__webpack_exports__, {
/* harmony export */   "Action": () => (/* binding */ Action)
/* harmony export */ });
/* harmony import */ var _Subscription__WEBPACK_IMPORTED_MODULE_0__ = __webpack_require__(/*! ../Subscription */ 826);

class Action extends _Subscription__WEBPACK_IMPORTED_MODULE_0__.Subscription {
    constructor(scheduler, work) {
        super();
    }
    schedule(state, delay = 0) {
        return this;
    }
}
//# sourceMappingURL=Action.js.map

/***/ }),

/***/ 401:
/*!**********************************************************************!*\
  !*** ./node_modules/rxjs/_esm2015/internal/scheduler/AsyncAction.js ***!
  \**********************************************************************/
/***/ ((__unused_webpack_module, __webpack_exports__, __webpack_require__) => {

"use strict";
__webpack_require__.r(__webpack_exports__);
/* harmony export */ __webpack_require__.d(__webpack_exports__, {
/* harmony export */   "AsyncAction": () => (/* binding */ AsyncAction)
/* harmony export */ });
/* harmony import */ var _Action__WEBPACK_IMPORTED_MODULE_0__ = __webpack_require__(/*! ./Action */ 2901);

class AsyncAction extends _Action__WEBPACK_IMPORTED_MODULE_0__.Action {
    constructor(scheduler, work) {
        super(scheduler, work);
        this.scheduler = scheduler;
        this.work = work;
        this.pending = false;
    }
    schedule(state, delay = 0) {
        if (this.closed) {
            return this;
        }
        this.state = state;
        const id = this.id;
        const scheduler = this.scheduler;
        if (id != null) {
            this.id = this.recycleAsyncId(scheduler, id, delay);
        }
        this.pending = true;
        this.delay = delay;
        this.id = this.id || this.requestAsyncId(scheduler, this.id, delay);
        return this;
    }
    requestAsyncId(scheduler, id, delay = 0) {
        return setInterval(scheduler.flush.bind(scheduler, this), delay);
    }
    recycleAsyncId(scheduler, id, delay = 0) {
        if (delay !== null && this.delay === delay && this.pending === false) {
            return id;
        }
        clearInterval(id);
        return undefined;
    }
    execute(state, delay) {
        if (this.closed) {
            return new Error('executing a cancelled action');
        }
        this.pending = false;
        const error = this._execute(state, delay);
        if (error) {
            return error;
        }
        else if (this.pending === false && this.id != null) {
            this.id = this.recycleAsyncId(this.scheduler, this.id, null);
        }
    }
    _execute(state, delay) {
        let errored = false;
        let errorValue = undefined;
        try {
            this.work(state);
        }
        catch (e) {
            errored = true;
            errorValue = !!e && e || new Error(e);
        }
        if (errored) {
            this.unsubscribe();
            return errorValue;
        }
    }
    _unsubscribe() {
        const id = this.id;
        const scheduler = this.scheduler;
        const actions = scheduler.actions;
        const index = actions.indexOf(this);
        this.work = null;
        this.state = null;
        this.pending = false;
        this.scheduler = null;
        if (index !== -1) {
            actions.splice(index, 1);
        }
        if (id != null) {
            this.id = this.recycleAsyncId(scheduler, id, null);
        }
        this.delay = null;
    }
}
//# sourceMappingURL=AsyncAction.js.map

/***/ }),

/***/ 4548:
/*!*************************************************************************!*\
  !*** ./node_modules/rxjs/_esm2015/internal/scheduler/AsyncScheduler.js ***!
  \*************************************************************************/
/***/ ((__unused_webpack_module, __webpack_exports__, __webpack_require__) => {

"use strict";
__webpack_require__.r(__webpack_exports__);
/* harmony export */ __webpack_require__.d(__webpack_exports__, {
/* harmony export */   "AsyncScheduler": () => (/* binding */ AsyncScheduler)
/* harmony export */ });
/* harmony import */ var _Scheduler__WEBPACK_IMPORTED_MODULE_0__ = __webpack_require__(/*! ../Scheduler */ 2217);

class AsyncScheduler extends _Scheduler__WEBPACK_IMPORTED_MODULE_0__.Scheduler {
    constructor(SchedulerAction, now = _Scheduler__WEBPACK_IMPORTED_MODULE_0__.Scheduler.now) {
        super(SchedulerAction, () => {
            if (AsyncScheduler.delegate && AsyncScheduler.delegate !== this) {
                return AsyncScheduler.delegate.now();
            }
            else {
                return now();
            }
        });
        this.actions = [];
        this.active = false;
        this.scheduled = undefined;
    }
    schedule(work, delay = 0, state) {
        if (AsyncScheduler.delegate && AsyncScheduler.delegate !== this) {
            return AsyncScheduler.delegate.schedule(work, delay, state);
        }
        else {
            return super.schedule(work, delay, state);
        }
    }
    flush(action) {
        const { actions } = this;
        if (this.active) {
            actions.push(action);
            return;
        }
        let error;
        this.active = true;
        do {
            if (error = action.execute(action.state, action.delay)) {
                break;
            }
        } while (action = actions.shift());
        this.active = false;
        if (error) {
            while (action = actions.shift()) {
                action.unsubscribe();
            }
            throw error;
        }
    }
}
//# sourceMappingURL=AsyncScheduler.js.map

/***/ }),

/***/ 9403:
/*!**********************************************************************!*\
  !*** ./node_modules/rxjs/_esm2015/internal/scheduler/QueueAction.js ***!
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/***/ ((__unused_webpack_module, __webpack_exports__, __webpack_require__) => {

"use strict";
__webpack_require__.r(__webpack_exports__);
/* harmony export */ __webpack_require__.d(__webpack_exports__, {
/* harmony export */   "QueueAction": () => (/* binding */ QueueAction)
/* harmony export */ });
/* harmony import */ var _AsyncAction__WEBPACK_IMPORTED_MODULE_0__ = __webpack_require__(/*! ./AsyncAction */ 401);

class QueueAction extends _AsyncAction__WEBPACK_IMPORTED_MODULE_0__.AsyncAction {
    constructor(scheduler, work) {
        super(scheduler, work);
        this.scheduler = scheduler;
        this.work = work;
    }
    schedule(state, delay = 0) {
        if (delay > 0) {
            return super.schedule(state, delay);
        }
        this.delay = delay;
        this.state = state;
        this.scheduler.flush(this);
        return this;
    }
    execute(state, delay) {
        return (delay > 0 || this.closed) ?
            super.execute(state, delay) :
            this._execute(state, delay);
    }
    requestAsyncId(scheduler, id, delay = 0) {
        if ((delay !== null && delay > 0) || (delay === null && this.delay > 0)) {
            return super.requestAsyncId(scheduler, id, delay);
        }
        return scheduler.flush(this);
    }
}
//# sourceMappingURL=QueueAction.js.map

/***/ }),

/***/ 99:
/*!*************************************************************************!*\
  !*** ./node_modules/rxjs/_esm2015/internal/scheduler/QueueScheduler.js ***!
  \*************************************************************************/
/***/ ((__unused_webpack_module, __webpack_exports__, __webpack_require__) => {

"use strict";
__webpack_require__.r(__webpack_exports__);
/* harmony export */ __webpack_require__.d(__webpack_exports__, {
/* harmony export */   "QueueScheduler": () => (/* binding */ QueueScheduler)
/* harmony export */ });
/* harmony import */ var _AsyncScheduler__WEBPACK_IMPORTED_MODULE_0__ = __webpack_require__(/*! ./AsyncScheduler */ 4548);

class QueueScheduler extends _AsyncScheduler__WEBPACK_IMPORTED_MODULE_0__.AsyncScheduler {
}
//# sourceMappingURL=QueueScheduler.js.map

/***/ }),

/***/ 9661:
/*!****************************************************************!*\
  !*** ./node_modules/rxjs/_esm2015/internal/scheduler/queue.js ***!
  \****************************************************************/
/***/ ((__unused_webpack_module, __webpack_exports__, __webpack_require__) => {

"use strict";
__webpack_require__.r(__webpack_exports__);
/* harmony export */ __webpack_require__.d(__webpack_exports__, {
/* harmony export */   "queueScheduler": () => (/* binding */ queueScheduler),
/* harmony export */   "queue": () => (/* binding */ queue)
/* harmony export */ });
/* harmony import */ var _QueueAction__WEBPACK_IMPORTED_MODULE_1__ = __webpack_require__(/*! ./QueueAction */ 9403);
/* harmony import */ var _QueueScheduler__WEBPACK_IMPORTED_MODULE_0__ = __webpack_require__(/*! ./QueueScheduler */ 99);


const queueScheduler = new _QueueScheduler__WEBPACK_IMPORTED_MODULE_0__.QueueScheduler(_QueueAction__WEBPACK_IMPORTED_MODULE_1__.QueueAction);
const queue = queueScheduler;
//# sourceMappingURL=queue.js.map

/***/ }),

/***/ 377:
/*!****************************************************************!*\
  !*** ./node_modules/rxjs/_esm2015/internal/symbol/iterator.js ***!
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/***/ ((__unused_webpack_module, __webpack_exports__, __webpack_require__) => {

"use strict";
__webpack_require__.r(__webpack_exports__);
/* harmony export */ __webpack_require__.d(__webpack_exports__, {
/* harmony export */   "getSymbolIterator": () => (/* binding */ getSymbolIterator),
/* harmony export */   "iterator": () => (/* binding */ iterator),
/* harmony export */   "$$iterator": () => (/* binding */ $$iterator)
/* harmony export */ });
function getSymbolIterator() {
    if (typeof Symbol !== 'function' || !Symbol.iterator) {
        return '@@iterator';
    }
    return Symbol.iterator;
}
const iterator = getSymbolIterator();
const $$iterator = iterator;
//# sourceMappingURL=iterator.js.map

/***/ }),

/***/ 6554:
/*!******************************************************************!*\
  !*** ./node_modules/rxjs/_esm2015/internal/symbol/observable.js ***!
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/***/ ((__unused_webpack_module, __webpack_exports__, __webpack_require__) => {

"use strict";
__webpack_require__.r(__webpack_exports__);
/* harmony export */ __webpack_require__.d(__webpack_exports__, {
/* harmony export */   "observable": () => (/* binding */ observable)
/* harmony export */ });
const observable = (() => typeof Symbol === 'function' && Symbol.observable || '@@observable')();
//# sourceMappingURL=observable.js.map

/***/ }),

/***/ 9181:
/*!********************************************************************!*\
  !*** ./node_modules/rxjs/_esm2015/internal/symbol/rxSubscriber.js ***!
  \********************************************************************/
/***/ ((__unused_webpack_module, __webpack_exports__, __webpack_require__) => {

"use strict";
__webpack_require__.r(__webpack_exports__);
/* harmony export */ __webpack_require__.d(__webpack_exports__, {
/* harmony export */   "rxSubscriber": () => (/* binding */ rxSubscriber),
/* harmony export */   "$$rxSubscriber": () => (/* binding */ $$rxSubscriber)
/* harmony export */ });
const rxSubscriber = (() => typeof Symbol === 'function'
    ? Symbol('rxSubscriber')
    : '@@rxSubscriber_' + Math.random())();
const $$rxSubscriber = rxSubscriber;
//# sourceMappingURL=rxSubscriber.js.map

/***/ }),

/***/ 7108:
/*!*****************************************************************************!*\
  !*** ./node_modules/rxjs/_esm2015/internal/util/ArgumentOutOfRangeError.js ***!
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/***/ ((__unused_webpack_module, __webpack_exports__, __webpack_require__) => {

"use strict";
__webpack_require__.r(__webpack_exports__);
/* harmony export */ __webpack_require__.d(__webpack_exports__, {
/* harmony export */   "ArgumentOutOfRangeError": () => (/* binding */ ArgumentOutOfRangeError)
/* harmony export */ });
const ArgumentOutOfRangeErrorImpl = (() => {
    function ArgumentOutOfRangeErrorImpl() {
        Error.call(this);
        this.message = 'argument out of range';
        this.name = 'ArgumentOutOfRangeError';
        return this;
    }
    ArgumentOutOfRangeErrorImpl.prototype = Object.create(Error.prototype);
    return ArgumentOutOfRangeErrorImpl;
})();
const ArgumentOutOfRangeError = ArgumentOutOfRangeErrorImpl;
//# sourceMappingURL=ArgumentOutOfRangeError.js.map

/***/ }),

/***/ 3410:
/*!****************************************************************!*\
  !*** ./node_modules/rxjs/_esm2015/internal/util/EmptyError.js ***!
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/***/ ((__unused_webpack_module, __webpack_exports__, __webpack_require__) => {

"use strict";
__webpack_require__.r(__webpack_exports__);
/* harmony export */ __webpack_require__.d(__webpack_exports__, {
/* harmony export */   "EmptyError": () => (/* binding */ EmptyError)
/* harmony export */ });
const EmptyErrorImpl = (() => {
    function EmptyErrorImpl() {
        Error.call(this);
        this.message = 'no elements in sequence';
        this.name = 'EmptyError';
        return this;
    }
    EmptyErrorImpl.prototype = Object.create(Error.prototype);
    return EmptyErrorImpl;
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const EmptyError = EmptyErrorImpl;
//# sourceMappingURL=EmptyError.js.map

/***/ }),

/***/ 7971:
/*!*****************************************************************************!*\
  !*** ./node_modules/rxjs/_esm2015/internal/util/ObjectUnsubscribedError.js ***!
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/***/ ((__unused_webpack_module, __webpack_exports__, __webpack_require__) => {

"use strict";
__webpack_require__.r(__webpack_exports__);
/* harmony export */ __webpack_require__.d(__webpack_exports__, {
/* harmony export */   "ObjectUnsubscribedError": () => (/* binding */ ObjectUnsubscribedError)
/* harmony export */ });
const ObjectUnsubscribedErrorImpl = (() => {
    function ObjectUnsubscribedErrorImpl() {
        Error.call(this);
        this.message = 'object unsubscribed';
        this.name = 'ObjectUnsubscribedError';
        return this;
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    ObjectUnsubscribedErrorImpl.prototype = Object.create(Error.prototype);
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const ObjectUnsubscribedError = ObjectUnsubscribedErrorImpl;
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/***/ }),

/***/ 7744:
/*!*************************************************************************!*\
  !*** ./node_modules/rxjs/_esm2015/internal/util/UnsubscriptionError.js ***!
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/***/ ((__unused_webpack_module, __webpack_exports__, __webpack_require__) => {

"use strict";
__webpack_require__.r(__webpack_exports__);
/* harmony export */ __webpack_require__.d(__webpack_exports__, {
/* harmony export */   "UnsubscriptionError": () => (/* binding */ UnsubscriptionError)
/* harmony export */ });
const UnsubscriptionErrorImpl = (() => {
    function UnsubscriptionErrorImpl(errors) {
        Error.call(this);
        this.message = errors ?
            `${errors.length} errors occurred during unsubscription:
${errors.map((err, i) => `${i + 1}) ${err.toString()}`).join('\n  ')}` : '';
        this.name = 'UnsubscriptionError';
        this.errors = errors;
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/***/ }),

/***/ 3179:
/*!********************************************************************!*\
  !*** ./node_modules/rxjs/_esm2015/internal/util/canReportError.js ***!
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/***/ ((__unused_webpack_module, __webpack_exports__, __webpack_require__) => {

"use strict";
__webpack_require__.r(__webpack_exports__);
/* harmony export */ __webpack_require__.d(__webpack_exports__, {
/* harmony export */   "canReportError": () => (/* binding */ canReportError)
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/* harmony import */ var _Subscriber__WEBPACK_IMPORTED_MODULE_0__ = __webpack_require__(/*! ../Subscriber */ 7393);

function canReportError(observer) {
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        const { closed, destination, isStopped } = observer;
        if (closed || isStopped) {
            return false;
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        else if (destination && destination instanceof _Subscriber__WEBPACK_IMPORTED_MODULE_0__.Subscriber) {
            observer = destination;
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        else {
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/***/ }),

/***/ 4449:
/*!*********************************************************************!*\
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/***/ ((__unused_webpack_module, __webpack_exports__, __webpack_require__) => {

"use strict";
__webpack_require__.r(__webpack_exports__);
/* harmony export */ __webpack_require__.d(__webpack_exports__, {
/* harmony export */   "hostReportError": () => (/* binding */ hostReportError)
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/***/ }),

/***/ 4487:
/*!**************************************************************!*\
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/***/ ((__unused_webpack_module, __webpack_exports__, __webpack_require__) => {

"use strict";
__webpack_require__.r(__webpack_exports__);
/* harmony export */ __webpack_require__.d(__webpack_exports__, {
/* harmony export */   "identity": () => (/* binding */ identity)
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/***/ }),

/***/ 9796:
/*!*************************************************************!*\
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/***/ ((__unused_webpack_module, __webpack_exports__, __webpack_require__) => {

"use strict";
__webpack_require__.r(__webpack_exports__);
/* harmony export */ __webpack_require__.d(__webpack_exports__, {
/* harmony export */   "isArray": () => (/* binding */ isArray)
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/***/ }),

/***/ 9489:
/*!*****************************************************************!*\
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/***/ ((__unused_webpack_module, __webpack_exports__, __webpack_require__) => {

"use strict";
__webpack_require__.r(__webpack_exports__);
/* harmony export */ __webpack_require__.d(__webpack_exports__, {
/* harmony export */   "isArrayLike": () => (/* binding */ isArrayLike)
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/***/ }),

/***/ 9105:
/*!****************************************************************!*\
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/***/ ((__unused_webpack_module, __webpack_exports__, __webpack_require__) => {

"use strict";
__webpack_require__.r(__webpack_exports__);
/* harmony export */ __webpack_require__.d(__webpack_exports__, {
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function isFunction(x) {
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/***/ 6375:
/*!*************************************************************************!*\
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/***/ ((__unused_webpack_module, __webpack_exports__, __webpack_require__) => {

"use strict";
__webpack_require__.r(__webpack_exports__);
/* harmony export */ __webpack_require__.d(__webpack_exports__, {
/* harmony export */   "isInteropObservable": () => (/* binding */ isInteropObservable)
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/* harmony import */ var _symbol_observable__WEBPACK_IMPORTED_MODULE_0__ = __webpack_require__(/*! ../symbol/observable */ 6554);

function isInteropObservable(input) {
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/***/ 3249:
/*!****************************************************************!*\
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/***/ ((__unused_webpack_module, __webpack_exports__, __webpack_require__) => {

"use strict";
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const subscribeTo = (result) => {
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__webpack_require__.r(__webpack_exports__);
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const subscribeToArray = (array) => (subscriber) => {
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/***/ 2788:
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"use strict";
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const subscribeToObservable = (obj) => (subscriber) => {
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/***/ 5104:
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__webpack_require__.r(__webpack_exports__);
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const subscribeToPromise = (promise) => (subscriber) => {
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/***/ 5604:
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function subscribeToResult(outerSubscriber, result, outerValue, outerIndex, innerSubscriber = new _InnerSubscriber__WEBPACK_IMPORTED_MODULE_0__.InnerSubscriber(outerSubscriber, outerValue, outerIndex)) {
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/*! *****************************************************************************
Copyright (c) Microsoft Corporation.

Permission to use, copy, modify, and/or distribute this software for any
purpose with or without fee is hereby granted.

THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH
REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT,
INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR
OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
PERFORMANCE OF THIS SOFTWARE.
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}


/***/ }),

/***/ 4762:
/*!*****************************************!*\
  !*** ./node_modules/tslib/tslib.es6.js ***!
  \*****************************************/
/***/ ((__unused_webpack_module, __webpack_exports__, __webpack_require__) => {

"use strict";
__webpack_require__.r(__webpack_exports__);
/* harmony export */ __webpack_require__.d(__webpack_exports__, {
/* harmony export */   "__extends": () => (/* binding */ __extends),
/* harmony export */   "__assign": () => (/* binding */ __assign),
/* harmony export */   "__rest": () => (/* binding */ __rest),
/* harmony export */   "__decorate": () => (/* binding */ __decorate),
/* harmony export */   "__param": () => (/* binding */ __param),
/* harmony export */   "__metadata": () => (/* binding */ __metadata),
/* harmony export */   "__awaiter": () => (/* binding */ __awaiter),
/* harmony export */   "__generator": () => (/* binding */ __generator),
/* harmony export */   "__createBinding": () => (/* binding */ __createBinding),
/* harmony export */   "__exportStar": () => (/* binding */ __exportStar),
/* harmony export */   "__values": () => (/* binding */ __values),
/* harmony export */   "__read": () => (/* binding */ __read),
/* harmony export */   "__spread": () => (/* binding */ __spread),
/* harmony export */   "__spreadArrays": () => (/* binding */ __spreadArrays),
/* harmony export */   "__spreadArray": () => (/* binding */ __spreadArray),
/* harmony export */   "__await": () => (/* binding */ __await),
/* harmony export */   "__asyncGenerator": () => (/* binding */ __asyncGenerator),
/* harmony export */   "__asyncDelegator": () => (/* binding */ __asyncDelegator),
/* harmony export */   "__asyncValues": () => (/* binding */ __asyncValues),
/* harmony export */   "__makeTemplateObject": () => (/* binding */ __makeTemplateObject),
/* harmony export */   "__importStar": () => (/* binding */ __importStar),
/* harmony export */   "__importDefault": () => (/* binding */ __importDefault),
/* harmony export */   "__classPrivateFieldGet": () => (/* binding */ __classPrivateFieldGet),
/* harmony export */   "__classPrivateFieldSet": () => (/* binding */ __classPrivateFieldSet)
/* harmony export */ });
/*! *****************************************************************************
Copyright (c) Microsoft Corporation.

Permission to use, copy, modify, and/or distribute this software for any
purpose with or without fee is hereby granted.

THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH
REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT,
INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR
OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
PERFORMANCE OF THIS SOFTWARE.
***************************************************************************** */
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};

function __extends(d, b) {
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function __asyncValues(o) {
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}

function __importDefault(mod) {
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function __classPrivateFieldGet(receiver, state, kind, f) {
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    return kind === "m" ? f : kind === "a" ? f.call(receiver) : f ? f.value : state.get(receiver);
}

function __classPrivateFieldSet(receiver, state, value, kind, f) {
    if (kind === "m") throw new TypeError("Private method is not writable");
    if (kind === "a" && !f) throw new TypeError("Private accessor was defined without a setter");
    if (typeof state === "function" ? receiver !== state || !f : !state.has(receiver)) throw new TypeError("Cannot write private member to an object whose class did not declare it");
    return (kind === "a" ? f.call(receiver, value) : f ? f.value = value : state.set(receiver, value)), value;
}


/***/ })

}]);
//# sourceMappingURL=vendor.js.map