http://example.com#/foo,\n * and `PathLocationStrategy` produces\n * http://example.com/foo as an equivalent URL.\n *\n * See these two classes for more.\n *\n * @publicApi\n */\nvar LocationStrategy = /** @class */ (function () {\n function LocationStrategy() {\n }\n return LocationStrategy;\n}());\n/**\n * A predefined [DI token](guide/glossary#di-token) for the base href\n * to be used with the `PathLocationStrategy`.\n * The base href is the URL prefix that should be preserved when generating\n * and recognizing URLs.\n *\n * @usageNotes\n *\n * The following example shows how to use this token to configure the root app injector\n * with a base href value, so that the DI framework can supply the dependency anywhere in the app.\n *\n * ```typescript\n * import {Component, NgModule} from '@angular/core';\n * import {APP_BASE_HREF} from '@angular/common';\n *\n * @NgModule({\n * providers: [{provide: APP_BASE_HREF, useValue: '/my/app'}]\n * })\n * class AppModule {}\n * ```\n *\n * @publicApi\n */\nvar APP_BASE_HREF = new InjectionToken('appBaseHref');\n\n/**\n * @license\n * Copyright Google Inc. All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n/**\n * @description\n *\n * A service that applications can use to interact with a browser's URL.\n *\n * Depending on the `LocationStrategy` used, `Location` will either persist\n * to the URL's path or the URL's hash segment.\n *\n * @usageNotes\n *\n * It's better to use the {@link Router#navigate} service to trigger route changes. Use\n * `Location` only if you need to interact with or create normalized URLs outside of\n * routing.\n *\n * `Location` is responsible for normalizing the URL against the application's base href.\n * A normalized URL is absolute from the URL host, includes the application's base href, and has no\n * trailing slash:\n * - `/my/app/user/123` is normalized\n * - `my/app/user/123` **is not** normalized\n * - `/my/app/user/123/` **is not** normalized\n *\n * ### Example\n *\n * {minIntegerDigits}.{minFractionDigits}-{maxFractionDigits}\n * - `minIntegerDigits` is the minimum number of integer digits to use. Defaults to `1`.\n * - `minFractionDigits` is the minimum number of digits after fraction. Defaults to `0`.\n * - `maxFractionDigits` is the maximum number of digits after fraction. Defaults to `3`.\n *\n * For more information on the acceptable range for each of these numbers and other\n * details see your native internationalization library.\n *\n * WARNING: this pipe uses the Internationalization API which is not yet available in all browsers\n * and may require a polyfill. See [Browser Support](guide/browser-support) for details.\n *\n * @usageNotes\n *\n * ### Example\n *\n * {@example common/pipes/ts/number_pipe.ts region='DeprecatedNumberPipe'}\n *\n * @ngModule CommonModule\n * @publicApi\n */\nvar DeprecatedDecimalPipe = /** @class */ (function () {\n function DeprecatedDecimalPipe(_locale) {\n this._locale = _locale;\n }\n DeprecatedDecimalPipe_1 = DeprecatedDecimalPipe;\n DeprecatedDecimalPipe.prototype.transform = function (value, digits) {\n return formatNumber$1(DeprecatedDecimalPipe_1, this._locale, value, NumberFormatStyle.Decimal, digits);\n };\n var DeprecatedDecimalPipe_1;\n DeprecatedDecimalPipe = DeprecatedDecimalPipe_1 = __decorate([\n Pipe({ name: 'number' }),\n __param(0, Inject(LOCALE_ID)),\n __metadata(\"design:paramtypes\", [String])\n ], DeprecatedDecimalPipe);\n return DeprecatedDecimalPipe;\n}());\n/**\n * @ngModule CommonModule\n *\n * @description\n *\n * Formats a number as percentage according to locale rules.\n *\n * - `digitInfo` See {@link DecimalPipe} for detailed description.\n *\n * WARNING: this pipe uses the Internationalization API which is not yet available in all browsers\n * and may require a polyfill. See [Browser Support](guide/browser-support) for details.\n *\n * @usageNotes\n *\n * ### Example\n *\n * {@example common/pipes/ts/percent_pipe.ts region='DeprecatedPercentPipe'}\n *\n * @publicApi\n */\nvar DeprecatedPercentPipe = /** @class */ (function () {\n function DeprecatedPercentPipe(_locale) {\n this._locale = _locale;\n }\n DeprecatedPercentPipe_1 = DeprecatedPercentPipe;\n DeprecatedPercentPipe.prototype.transform = function (value, digits) {\n return formatNumber$1(DeprecatedPercentPipe_1, this._locale, value, NumberFormatStyle.Percent, digits);\n };\n var DeprecatedPercentPipe_1;\n DeprecatedPercentPipe = DeprecatedPercentPipe_1 = __decorate([\n Pipe({ name: 'percent' }),\n __param(0, Inject(LOCALE_ID)),\n __metadata(\"design:paramtypes\", [String])\n ], DeprecatedPercentPipe);\n return DeprecatedPercentPipe;\n}());\n/**\n * @ngModule CommonModule\n * @description\n *\n * Formats a number as currency using locale rules.\n *\n * Use `currency` to format a number as currency.\n *\n * - `currencyCode` is the [ISO 4217](https://en.wikipedia.org/wiki/ISO_4217) currency code, such\n * as `USD` for the US dollar and `EUR` for the euro.\n * - `symbolDisplay` is a boolean indicating whether to use the currency symbol or code.\n * - `true`: use symbol (e.g. `$`).\n * - `false`(default): use code (e.g. `USD`).\n * - `digitInfo` See {@link DecimalPipe} for detailed description.\n *\n * WARNING: this pipe uses the Internationalization API which is not yet available in all browsers\n * and may require a polyfill. See [Browser Support](guide/browser-support) for details.\n *\n * @usageNotes\n *\n * ### Example\n *\n * {@example common/pipes/ts/currency_pipe.ts region='DeprecatedCurrencyPipe'}\n *\n * @publicApi\n */\nvar DeprecatedCurrencyPipe = /** @class */ (function () {\n function DeprecatedCurrencyPipe(_locale) {\n this._locale = _locale;\n }\n DeprecatedCurrencyPipe_1 = DeprecatedCurrencyPipe;\n DeprecatedCurrencyPipe.prototype.transform = function (value, currencyCode, symbolDisplay, digits) {\n if (currencyCode === void 0) { currencyCode = 'USD'; }\n if (symbolDisplay === void 0) { symbolDisplay = false; }\n return formatNumber$1(DeprecatedCurrencyPipe_1, this._locale, value, NumberFormatStyle.Currency, digits, currencyCode, symbolDisplay);\n };\n var DeprecatedCurrencyPipe_1;\n DeprecatedCurrencyPipe = DeprecatedCurrencyPipe_1 = __decorate([\n Pipe({ name: 'currency' }),\n __param(0, Inject(LOCALE_ID)),\n __metadata(\"design:paramtypes\", [String])\n ], DeprecatedCurrencyPipe);\n return DeprecatedCurrencyPipe;\n}());\n\n/**\n * @license\n * Copyright Google Inc. All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n/**\n * A collection of deprecated i18n pipes that require intl api\n *\n * @deprecated from v5\n */\nvar COMMON_DEPRECATED_I18N_PIPES = [DeprecatedDecimalPipe, DeprecatedPercentPipe, DeprecatedCurrencyPipe, DeprecatedDatePipe];\n\n/**\n * @license\n * Copyright Google Inc. All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\nvar ObservableStrategy = /** @class */ (function () {\n function ObservableStrategy() {\n }\n ObservableStrategy.prototype.createSubscription = function (async, updateLatestValue) {\n return async.subscribe({ next: updateLatestValue, error: function (e) { throw e; } });\n };\n ObservableStrategy.prototype.dispose = function (subscription) { subscription.unsubscribe(); };\n ObservableStrategy.prototype.onDestroy = function (subscription) { subscription.unsubscribe(); };\n return ObservableStrategy;\n}());\nvar PromiseStrategy = /** @class */ (function () {\n function PromiseStrategy() {\n }\n PromiseStrategy.prototype.createSubscription = function (async, updateLatestValue) {\n return async.then(updateLatestValue, function (e) { throw e; });\n };\n PromiseStrategy.prototype.dispose = function (subscription) { };\n PromiseStrategy.prototype.onDestroy = function (subscription) { };\n return PromiseStrategy;\n}());\nvar _promiseStrategy = new PromiseStrategy();\nvar _observableStrategy = new ObservableStrategy();\n/**\n * @ngModule CommonModule\n * @description\n *\n * Unwraps a value from an asynchronous primitive.\n *\n * The `async` pipe subscribes to an `Observable` or `Promise` and returns the latest value it has\n * emitted. When a new value is emitted, the `async` pipe marks the component to be checked for\n * changes. When the component gets destroyed, the `async` pipe unsubscribes automatically to avoid\n * potential memory leaks.\n *\n * @usageNotes\n *\n * ### Examples\n *\n * This example binds a `Promise` to the view. Clicking the `Resolve` button resolves the\n * promise.\n *\n * {@example common/pipes/ts/async_pipe.ts region='AsyncPipePromise'}\n *\n * It's also possible to use `async` with Observables. The example below binds the `time` Observable\n * to the view. The Observable continuously updates the view with the current time.\n *\n * {@example common/pipes/ts/async_pipe.ts region='AsyncPipeObservable'}\n *\n * @publicApi\n */\nvar AsyncPipe = /** @class */ (function () {\n function AsyncPipe(_ref) {\n this._ref = _ref;\n this._latestValue = null;\n this._latestReturnedValue = null;\n this._subscription = null;\n this._obj = null;\n this._strategy = null;\n }\n AsyncPipe_1 = AsyncPipe;\n AsyncPipe.prototype.ngOnDestroy = function () {\n if (this._subscription) {\n this._dispose();\n }\n };\n AsyncPipe.prototype.transform = function (obj) {\n if (!this._obj) {\n if (obj) {\n this._subscribe(obj);\n }\n this._latestReturnedValue = this._latestValue;\n return this._latestValue;\n }\n if (obj !== this._obj) {\n this._dispose();\n return this.transform(obj);\n }\n if (ɵlooseIdentical(this._latestValue, this._latestReturnedValue)) {\n return this._latestReturnedValue;\n }\n this._latestReturnedValue = this._latestValue;\n return WrappedValue.wrap(this._latestValue);\n };\n AsyncPipe.prototype._subscribe = function (obj) {\n var _this = this;\n this._obj = obj;\n this._strategy = this._selectStrategy(obj);\n this._subscription = this._strategy.createSubscription(obj, function (value) { return _this._updateLatestValue(obj, value); });\n };\n AsyncPipe.prototype._selectStrategy = function (obj) {\n if (ɵisPromise(obj)) {\n return _promiseStrategy;\n }\n if (ɵisObservable(obj)) {\n return _observableStrategy;\n }\n throw invalidPipeArgumentError(AsyncPipe_1, obj);\n };\n AsyncPipe.prototype._dispose = function () {\n this._strategy.dispose(this._subscription);\n this._latestValue = null;\n this._latestReturnedValue = null;\n this._subscription = null;\n this._obj = null;\n };\n AsyncPipe.prototype._updateLatestValue = function (async, value) {\n if (async === this._obj) {\n this._latestValue = value;\n this._ref.markForCheck();\n }\n };\n var AsyncPipe_1;\n AsyncPipe = AsyncPipe_1 = __decorate([\n Injectable(),\n Pipe({ name: 'async', pure: false }),\n __metadata(\"design:paramtypes\", [ChangeDetectorRef])\n ], AsyncPipe);\n return AsyncPipe;\n}());\n\n/**\n * @license\n * Copyright Google Inc. All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n/**\n * Transforms text to all lower case.\n *\n * @see `UpperCasePipe`\n * @see `TitleCasePipe`\n * @usageNotes\n *\n * The following example defines a view that allows the user to enter\n * text, and then uses the pipe to convert the input text to all lower case.\n *\n * Today is {{today | date}}
\n *Or if you prefer, {{today | date:'fullDate'}}
\n *The time is {{today | date:'h:mm a z'}}
\n *{minIntegerDigits}.{minFractionDigits}-{maxFractionDigits}.\n * - `minIntegerDigits`: The minimum number of integer digits before the decimal point.\n * Default is `1`.\n * - `minFractionDigits`: The minimum number of digits after the decimal point.\n * Default is `0`.\n * - `maxFractionDigits`: The maximum number of digits after the decimal point.\n * Default is `3`.\n * @param locale A locale code for the locale format rules to use.\n * When not supplied, uses the value of `LOCALE_ID`, which is `en-US` by default.\n * See [Setting your app locale](guide/i18n#setting-up-the-locale-of-your-app).\n */\n DecimalPipe.prototype.transform = function (value, digitsInfo, locale) {\n if (isEmpty(value))\n return null;\n locale = locale || this._locale;\n try {\n var num = strToNumber(value);\n return formatNumber(num, locale, digitsInfo);\n }\n catch (error) {\n throw invalidPipeArgumentError(DecimalPipe_1, error.message);\n }\n };\n var DecimalPipe_1;\n DecimalPipe = DecimalPipe_1 = __decorate([\n Injectable(),\n Pipe({ name: 'number' }),\n __param(0, Inject(LOCALE_ID)),\n __metadata(\"design:paramtypes\", [String])\n ], DecimalPipe);\n return DecimalPipe;\n}());\n/**\n * @ngModule CommonModule\n * @description\n *\n * Transforms a number to a percentage\n * string, formatted according to locale rules that determine group sizing and\n * separator, decimal-point character, and other locale-specific\n * configurations.\n *\n * @see `formatPercent()`\n *\n * @usageNotes\n * The following code shows how the pipe transforms numbers\n * into text strings, according to various format specifications,\n * where the caller's default locale is `en-US`.\n *\n * {minIntegerDigits}.{minFractionDigits}-{maxFractionDigits}.\n * - `minIntegerDigits`: The minimum number of integer digits before the decimal point.\n * Default is `1`.\n * - `minFractionDigits`: The minimum number of digits after the decimal point.\n * Default is `0`.\n * - `maxFractionDigits`: The maximum number of digits after the decimal point.\n * Default is `0`.\n * @param locale A locale code for the locale format rules to use.\n * When not supplied, uses the value of `LOCALE_ID`, which is `en-US` by default.\n * See [Setting your app locale](guide/i18n#setting-up-the-locale-of-your-app).\n */\n PercentPipe.prototype.transform = function (value, digitsInfo, locale) {\n if (isEmpty(value))\n return null;\n locale = locale || this._locale;\n try {\n var num = strToNumber(value);\n return formatPercent(num, locale, digitsInfo);\n }\n catch (error) {\n throw invalidPipeArgumentError(PercentPipe_1, error.message);\n }\n };\n var PercentPipe_1;\n PercentPipe = PercentPipe_1 = __decorate([\n Injectable(),\n Pipe({ name: 'percent' }),\n __param(0, Inject(LOCALE_ID)),\n __metadata(\"design:paramtypes\", [String])\n ], PercentPipe);\n return PercentPipe;\n}());\n/**\n * @ngModule CommonModule\n * @description\n *\n * Transforms a number to a currency string, formatted according to locale rules\n * that determine group sizing and separator, decimal-point character,\n * and other locale-specific configurations.\n *\n * @see `getCurrencySymbol()`\n * @see `formatCurrency()`\n *\n * @usageNotes\n * The following code shows how the pipe transforms numbers\n * into text strings, according to various format specifications,\n * where the caller's default locale is `en-US`.\n *\n * {minIntegerDigits}.{minFractionDigits}-{maxFractionDigits}.\n * - `minIntegerDigits`: The minimum number of integer digits before the decimal point.\n * Default is `1`.\n * - `minFractionDigits`: The minimum number of digits after the decimal point.\n * Default is `2`.\n * - `maxFractionDigits`: The maximum number of digits after the decimal point.\n * Default is `2`.\n * If not provided, the number will be formatted with the proper amount of digits,\n * depending on what the [ISO 4217](https://en.wikipedia.org/wiki/ISO_4217) specifies.\n * For example, the Canadian dollar has 2 digits, whereas the Chilean peso has none.\n * @param locale A locale code for the locale format rules to use.\n * When not supplied, uses the value of `LOCALE_ID`, which is `en-US` by default.\n * See [Setting your app locale](guide/i18n#setting-up-the-locale-of-your-app).\n */\n CurrencyPipe.prototype.transform = function (value, currencyCode, display, digitsInfo, locale) {\n if (display === void 0) { display = 'symbol'; }\n if (isEmpty(value))\n return null;\n locale = locale || this._locale;\n if (typeof display === 'boolean') {\n if (console && console.warn) {\n 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\\\".\");\n }\n display = display ? 'symbol' : 'code';\n }\n var currency = currencyCode || 'USD';\n if (display !== 'code') {\n if (display === 'symbol' || display === 'symbol-narrow') {\n currency = getCurrencySymbol(currency, display === 'symbol' ? 'wide' : 'narrow', locale);\n }\n else {\n currency = display;\n }\n }\n try {\n var num = strToNumber(value);\n return formatCurrency(num, locale, currency, currencyCode, digitsInfo);\n }\n catch (error) {\n throw invalidPipeArgumentError(CurrencyPipe_1, error.message);\n }\n };\n var CurrencyPipe_1;\n CurrencyPipe = CurrencyPipe_1 = __decorate([\n Injectable(),\n Pipe({ name: 'currency' }),\n __param(0, Inject(LOCALE_ID)),\n __metadata(\"design:paramtypes\", [String])\n ], CurrencyPipe);\n return CurrencyPipe;\n}());\nfunction isEmpty(value) {\n return value == null || value === '' || value !== value;\n}\n/**\n * Transforms a string into a number (if needed).\n */\nfunction strToNumber(value) {\n // Convert strings to numbers\n if (typeof value === 'string' && !isNaN(Number(value) - parseFloat(value))) {\n return Number(value);\n }\n if (typeof value !== 'number') {\n throw new Error(value + \" is not a number\");\n }\n return value;\n}\n\n/**\n * @license\n * Copyright Google Inc. All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n/**\n * @ngModule CommonModule\n * @description\n *\n * Creates a new `Array` or `String` containing a subset (slice) of the elements.\n *\n * @usageNotes\n *\n * All behavior is based on the expected behavior of the JavaScript API `Array.prototype.slice()`\n * and `String.prototype.slice()`.\n *\n * When operating on an `Array`, the returned `Array` is always a copy even when all\n * the elements are being returned.\n *\n * When operating on a blank value, the pipe returns the blank value.\n *\n * ### List Example\n *\n * This `ngFor` example:\n *\n * {@example common/pipes/ts/slice_pipe.ts region='SlicePipe_list'}\n *\n * produces the following:\n *\n * ```html\n *