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Angular - commonly needed directives and services

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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 */ import { Inject, InjectionToken, LOCALE_ID, Optional, Pipe } from '@angular/core'; import { formatDate } from '../i18n/format_date'; import { DEFAULT_DATE_FORMAT } from './date_pipe_config'; import { invalidPipeArgumentError } from './invalid_pipe_argument_error'; import * as i0 from "@angular/core"; /** * Optionally-provided default timezone to use for all instances of `DatePipe` (such as `'+0430'`). * If the value isn't provided, the `DatePipe` will use the end-user's local system timezone. * * @deprecated use DATE_PIPE_DEFAULT_OPTIONS token to configure DatePipe */ export const DATE_PIPE_DEFAULT_TIMEZONE = new InjectionToken('DATE_PIPE_DEFAULT_TIMEZONE'); /** * DI token that allows to provide default configuration for the `DatePipe` instances in an * application. The value is an object which can include the following fields: * - `dateFormat`: configures the default date format. If not provided, the `DatePipe` * will use the 'mediumDate' as a value. * - `timezone`: configures the default timezone. If not provided, the `DatePipe` will * use the end-user's local system timezone. * * @see {@link DatePipeConfig} * * @usageNotes * * Various date pipe default values can be overwritten by providing this token with * the value that has this interface. * * For example: * * Override the default date format by providing a value using the token: * ```typescript * providers: [ * {provide: DATE_PIPE_DEFAULT_OPTIONS, useValue: {dateFormat: 'shortDate'}} * ] * ``` * * Override the default timezone by providing a value using the token: * ```typescript * providers: [ * {provide: DATE_PIPE_DEFAULT_OPTIONS, useValue: {timezone: '-1200'}} * ] * ``` */ export const DATE_PIPE_DEFAULT_OPTIONS = new InjectionToken('DATE_PIPE_DEFAULT_OPTIONS'); // 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-common-format-data-locale) for more information. * * The time zone of the formatted value can be specified either by passing it in as the second * parameter of the pipe, or by setting the default through the `DATE_PIPE_DEFAULT_OPTIONS` * injection token. The value that is passed in as the second parameter takes precedence over * the one defined using the injection token. * * @see {@link 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' * {{ dateObj | date:"MMM dd, yyyy 'at' hh:mm a" }} // output is 'Jun 15, 2015 at 09:43 PM' * ``` * * ### 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 export class DatePipe { constructor(locale, defaultTimezone, defaultOptions) { this.locale = locale; this.defaultTimezone = defaultTimezone; this.defaultOptions = defaultOptions; } transform(value, format, timezone, locale) { if (value == null || value === '' || value !== value) return null; try { const _format = format ?? this.defaultOptions?.dateFormat ?? DEFAULT_DATE_FORMAT; const _timezone = timezone ?? this.defaultOptions?.timezone ?? this.defaultTimezone ?? undefined; return formatDate(value, _format, locale || this.locale, _timezone); } catch (error) { throw invalidPipeArgumentError(DatePipe, error.message); } } static { this.ɵfac = i0.ɵɵngDeclareFactory({ minVersion: "12.0.0", version: "17.1.1", ngImport: i0, type: DatePipe, deps: [{ token: LOCALE_ID }, { token: DATE_PIPE_DEFAULT_TIMEZONE, optional: true }, { token: DATE_PIPE_DEFAULT_OPTIONS, optional: true }], target: i0.ɵɵFactoryTarget.Pipe }); } static { this.ɵpipe = i0.ɵɵngDeclarePipe({ minVersion: "14.0.0", version: "17.1.1", ngImport: i0, type: DatePipe, isStandalone: true, name: "date" }); } } i0.ɵɵngDeclareClassMetadata({ minVersion: "12.0.0", version: "17.1.1", ngImport: i0, type: DatePipe, decorators: [{ type: Pipe, args: [{ name: 'date', pure: true, standalone: true, }] }], ctorParameters: () => [{ type: undefined, decorators: [{ type: Inject, args: [LOCALE_ID] }] }, { type: undefined, decorators: [{ type: Inject, args: [DATE_PIPE_DEFAULT_TIMEZONE] }, { type: Optional }] }, { type: undefined, decorators: [{ type: Inject, args: [DATE_PIPE_DEFAULT_OPTIONS] }, { type: Optional }] }] }); //# sourceMappingURL=data:application/json;base64,{"version":3,"file":"date_pipe.js","sourceRoot":"","sources":["../../../../../../../packages/common/src/pipes/date_pipe.ts"],"names":[],"mappings":"AAAA;;;;;;GAMG;AAEH,OAAO,EAAC,MAAM,EAAE,cAAc,EAAE,SAAS,EAAE,QAAQ,EAAE,IAAI,EAAgB,MAAM,eAAe,CAAC;AAE/F,OAAO,EAAC,UAAU,EAAC,MAAM,qBAAqB,CAAC;AAE/C,OAAO,EAAiB,mBAAmB,EAAC,MAAM,oBAAoB,CAAC;AACvE,OAAO,EAAC,wBAAwB,EAAC,MAAM,+BAA+B,CAAC;;AAEvE;;;;;GAKG;AACH,MAAM,CAAC,MAAM,0BAA0B,GAAG,IAAI,cAAc,CAAS,4BAA4B,CAAC,CAAC;AAEnG;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;GA8BG;AACH,MAAM,CAAC,MAAM,yBAAyB,GAClC,IAAI,cAAc,CAAiB,2BAA2B,CAAC,CAAC;AAEpE,mBAAmB;AACnB;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;GA6JG;AACH,kBAAkB;AAMlB,MAAM,OAAO,QAAQ;IACnB,YAC+B,MAAc,EACe,eAA6B,EAC9B,cAAoC;QAFhE,WAAM,GAAN,MAAM,CAAQ;QACe,oBAAe,GAAf,eAAe,CAAc;QAC9B,mBAAc,GAAd,cAAc,CAAsB;IAC5F,CAAC;IA2BJ,SAAS,CACL,KAAwC,EAAE,MAAe,EAAE,QAAiB,EAC5E,MAAe;QACjB,IAAI,KAAK,IAAI,IAAI,IAAI,KAAK,KAAK,EAAE,IAAI,KAAK,KAAK,KAAK;YAAE,OAAO,IAAI,CAAC;QAElE,IAAI,CAAC;YACH,MAAM,OAAO,GAAG,MAAM,IAAI,IAAI,CAAC,cAAc,EAAE,UAAU,IAAI,mBAAmB,CAAC;YACjF,MAAM,SAAS,GACX,QAAQ,IAAI,IAAI,CAAC,cAAc,EAAE,QAAQ,IAAI,IAAI,CAAC,eAAe,IAAI,SAAS,CAAC;YACnF,OAAO,UAAU,CAAC,KAAK,EAAE,OAAO,EAAE,MAAM,IAAI,IAAI,CAAC,MAAM,EAAE,SAAS,CAAC,CAAC;QACtE,CAAC;QAAC,OAAO,KAAK,EAAE,CAAC;YACf,MAAM,wBAAwB,CAAC,QAAQ,EAAG,KAAe,CAAC,OAAO,CAAC,CAAC;QACrE,CAAC;IACH,CAAC;yHA7CU,QAAQ,kBAEP,SAAS,aACT,0BAA0B,6BAC1B,yBAAyB;uHAJ1B,QAAQ;;sGAAR,QAAQ;kBALpB,IAAI;mBAAC;oBACJ,IAAI,EAAE,MAAM;oBACZ,IAAI,EAAE,IAAI;oBACV,UAAU,EAAE,IAAI;iBACjB;;0BAGM,MAAM;2BAAC,SAAS;;0BAChB,MAAM;2BAAC,0BAA0B;;0BAAG,QAAQ;;0BAC5C,MAAM;2BAAC,yBAAyB;;0BAAG,QAAQ","sourcesContent":["/**\n * @license\n * Copyright Google LLC 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\nimport {Inject, InjectionToken, LOCALE_ID, Optional, Pipe, PipeTransform} from '@angular/core';\n\nimport {formatDate} from '../i18n/format_date';\n\nimport {DatePipeConfig, DEFAULT_DATE_FORMAT} from './date_pipe_config';\nimport {invalidPipeArgumentError} from './invalid_pipe_argument_error';\n\n/**\n * Optionally-provided default timezone to use for all instances of `DatePipe` (such as `'+0430'`).\n * If the value isn't provided, the `DatePipe` will use the end-user's local system timezone.\n *\n * @deprecated use DATE_PIPE_DEFAULT_OPTIONS token to configure DatePipe\n */\nexport const DATE_PIPE_DEFAULT_TIMEZONE = new InjectionToken<string>('DATE_PIPE_DEFAULT_TIMEZONE');\n\n/**\n * DI token that allows to provide default configuration for the `DatePipe` instances in an\n * application. The value is an object which can include the following fields:\n * - `dateFormat`: configures the default date format. If not provided, the `DatePipe`\n * will use the 'mediumDate' as a value.\n * - `timezone`: configures the default timezone. If not provided, the `DatePipe` will\n * use the end-user's local system timezone.\n *\n * @see {@link DatePipeConfig}\n *\n * @usageNotes\n *\n * Various date pipe default values can be overwritten by providing this token with\n * the value that has this interface.\n *\n * For example:\n *\n * Override the default date format by providing a value using the token:\n * ```typescript\n * providers: [\n *   {provide: DATE_PIPE_DEFAULT_OPTIONS, useValue: {dateFormat: 'shortDate'}}\n * ]\n * ```\n *\n * Override the default timezone by providing a value using the token:\n * ```typescript\n * providers: [\n *   {provide: DATE_PIPE_DEFAULT_OPTIONS, useValue: {timezone: '-1200'}}\n * ]\n * ```\n */\nexport const DATE_PIPE_DEFAULT_OPTIONS =\n    new InjectionToken<DatePipeConfig>('DATE_PIPE_DEFAULT_OPTIONS');\n\n// clang-format off\n/**\n * @ngModule CommonModule\n * @description\n *\n * Formats a date value according to locale rules.\n *\n * `DatePipe` is executed only when it detects a pure change to the input value.\n * A pure change is either a change to a primitive input value\n * (such as `String`, `Number`, `Boolean`, or `Symbol`),\n * or a changed object reference (such as `Date`, `Array`, `Function`, or `Object`).\n *\n * Note that mutating a `Date` object does not cause the pipe to be rendered again.\n * To ensure that the pipe is executed, you must create a new `Date` object.\n *\n * Only the `en-US` locale data comes with Angular. To localize dates\n * in another language, you must import the corresponding locale data.\n * See the [I18n guide](guide/i18n-common-format-data-locale) for more information.\n *\n * The time zone of the formatted value can be specified either by passing it in as the second\n * parameter of the pipe, or by setting the default through the `DATE_PIPE_DEFAULT_OPTIONS`\n * injection token. The value that is passed in as the second parameter takes precedence over\n * the one defined using the injection token.\n *\n * @see {@link formatDate}\n *\n *\n * @usageNotes\n *\n * The result of this pipe is not reevaluated when the input is mutated. To avoid the need to\n * reformat the date on every change-detection cycle, treat the date as an immutable object\n * and change the reference when the pipe needs to run again.\n *\n * ### Pre-defined format options\n *\n * | Option        | Equivalent to                       | Examples (given in `en-US` locale)              |\n * |---------------|-------------------------------------|-------------------------------------------------|\n * | `'short'`     | `'M/d/yy, h:mm a'`                  | `6/15/15, 9:03 AM`                              |\n * | `'medium'`    | `'MMM d, y, h:mm:ss a'`             | `Jun 15, 2015, 9:03:01 AM`                      |\n * | `'long'`      | `'MMMM d, y, h:mm:ss a z'`          | `June 15, 2015 at 9:03:01 AM GMT+1`             |\n * | `'full'`      | `'EEEE, MMMM d, y, h:mm:ss a zzzz'` | `Monday, June 15, 2015 at 9:03:01 AM GMT+01:00` |\n * | `'shortDate'` | `'M/d/yy'`                          | `6/15/15`                                       |\n * | `'mediumDate'`| `'MMM d, y'`                        | `Jun 15, 2015`                                  |\n * | `'longDate'`  | `'MMMM d, y'`                       | `June 15, 2015`                                 |\n * | `'fullDate'`  | `'EEEE, MMMM d, y'`                 | `Monday, June 15, 2015`                         |\n * | `'shortTime'` | `'h:mm a'`                          | `9:03 AM`                                       |\n * | `'mediumTime'`| `'h:mm:ss a'`                       | `9:03:01 AM`                                    |\n * | `'longTime'`  | `'h:mm:ss a z'`                     | `9:03:01 AM GMT+1`                              |\n * | `'fullTime'`  | `'h:mm:ss a zzzz'`                  | `9:03:01 AM GMT+01:00`                          |\n *\n * ### Custom format options\n *\n * You can construct a format string using symbols to specify the components\n * of a date-time value, as described in the following table.\n * Format details depend on the locale.\n * Fields marked with (*) are only available in the extra data set for the given locale.\n *\n *  | Field type          | Format      | Description                                                   | Example Value                                              |\n *  |-------------------- |-------------|---------------------------------------------------------------|------------------------------------------------------------|\n *  | Era                 | G, GG & GGG | Abbreviated                                                   | AD                                                         |\n *  |                     | GGGG        | Wide                                                          | Anno Domini                                                |\n *  |                     | GGGGG       | Narrow                                                        | A                                                          |\n *  | Year                | y           | Numeric: minimum digits                                       | 2, 20, 201, 2017, 20173                                    |\n *  |                     | yy          | Numeric: 2 digits + zero padded                               | 02, 20, 01, 17, 73                                         |\n *  |                     | yyy         | Numeric: 3 digits + zero padded                               | 002, 020, 201, 2017, 20173                                 |\n *  |                     | yyyy        | Numeric: 4 digits or more + zero padded                       | 0002, 0020, 0201, 2017, 20173                              |\n *  | Week-numbering year | Y           | Numeric: minimum digits                                       | 2, 20, 201, 2017, 20173                                    |\n *  |                     | YY          | Numeric: 2 digits + zero padded                               | 02, 20, 01, 17, 73                                         |\n *  |                     | YYY         | Numeric: 3 digits + zero padded                               | 002, 020, 201, 2017, 20173                                 |\n *  |                     | YYYY        | Numeric: 4 digits or more + zero padded                       | 0002, 0020, 0201, 2017, 20173                              |\n *  | Month               | M           | Numeric: 1 digit                                              | 9, 12                                                      |\n *  |                     | MM          | Numeric: 2 digits + zero padded                               | 09, 12                                                     |\n *  |                     | MMM         | Abbreviated                                                   | Sep                                                        |\n *  |                     | MMMM        | Wide                                                          | September                                                  |\n *  |                     | MMMMM       | Narrow                                                        | S                                                          |\n *  | Month standalone    | L           | Numeric: 1 digit                                              | 9, 12                                                      |\n *  |                     | LL          | Numeric: 2 digits + zero padded                               | 09, 12                                                     |\n *  |                     | LLL         | Abbreviated                                                   | Sep                                                        |\n *  |                     | LLLL        | Wide                                                          | September                                                  |\n *  |                     | LLLLL       | Narrow                                                        | S                                                          |\n *  | Week of year        | w           | Numeric: minimum digits                                       | 1... 53                                                    |\n *  |                     | ww          | Numeric: 2 digits + zero padded                               | 01... 53                                                   |\n *  | Week of month       | W           | Numeric: 1 digit                                              | 1... 5                                                     |\n *  | Day of month        | d           | Numeric: minimum digits                                       | 1                                                          |\n *  |                     | dd          | Numeric: 2 digits + zero padded                               | 01                                                         |\n *  | Week day            | E, EE & EEE | Abbreviated                                                   | Tue                                                        |\n *  |                     | EEEE        | Wide                                                          | Tuesday                                                    |\n *  |                     | EEEEE       | Narrow                                                        | T                                                          |\n *  |                     | EEEEEE      | Short                                                         | Tu                                                         |\n *  | Week day standalone | c, cc       | Numeric: 1 digit                                              | 2                                                          |\n *  |                     | ccc         | Abbreviated                                                   | Tue                                                        |\n *  |                     | cccc        | Wide                                                          | Tuesday                                                    |\n *  |                     | ccccc       | Narrow                                                        | T                                                          |\n *  |                     | cccccc      | Short                                                         | Tu                                                         |\n *  | Period              | a, aa & aaa | Abbreviated                                                   | am/pm or AM/PM                                             |\n *  |                     | aaaa        | Wide (fallback to `a` when missing)                           | ante meridiem/post meridiem                                |\n *  |                     | aaaaa       | Narrow                                                        | a/p                                                        |\n *  | Period*             | B, BB & BBB | Abbreviated                                                   | mid.                                                       |\n *  |                     | BBBB        | Wide                                                          | am, pm, midnight, noon, morning, afternoon, evening, night |\n *  |                     | BBBBB       | Narrow                                                        | md                                                         |\n *  | Period standalone*  | b, bb & bbb | Abbreviated                                                   | mid.                                                       |\n *  |                     | bbbb        | Wide                                                          | am, pm, midnight, noon, morning, afternoon, evening, night |\n *  |                     | bbbbb       | Narrow                                                        | md                                                         |\n *  | Hour 1-12           | h           | Numeric: minimum digits                                       | 1, 12                                                      |\n *  |                     | hh          | Numeric: 2 digits + zero padded                               | 01, 12                                                     |\n *  | Hour 0-23           | H           | Numeric: minimum digits                                       | 0, 23                                                      |\n *  |                     | HH          | Numeric: 2 digits + zero padded                               | 00, 23                                                     |\n *  | Minute              | m           | Numeric: minimum digits                                       | 8, 59                                                      |\n *  |                     | mm          | Numeric: 2 digits + zero padded                               | 08, 59                                                     |\n *  | Second              | s           | Numeric: minimum digits                                       | 0... 59                                                    |\n *  |                     | ss          | Numeric: 2 digits + zero padded                               | 00... 59                                                   |\n *  | Fractional seconds  | S           | Numeric: 1 digit                                              | 0... 9                                                     |\n *  |                     | SS          | Numeric: 2 digits + zero padded                               | 00... 99                                                   |\n *  |                     | SSS         | Numeric: 3 digits + zero padded (= milliseconds)              | 000... 999                                                 |\n *  | Zone                | z, zz & zzz | Short specific non location format (fallback to O)            | GMT-8                                                      |\n *  |                     | zzzz        | Long specific non location format (fallback to OOOO)          | GMT-08:00                                                  |\n *  |                     | Z, ZZ & ZZZ | ISO8601 basic format                                          | -0800                                                      |\n *  |                     | ZZZZ        | Long localized GMT format                                     | GMT-8:00                                                   |\n *  |                     | ZZZZZ       | ISO8601 extended format + Z indicator for offset 0 (= XXXXX)  | -08:00                                                     |\n *  |                     | O, OO & OOO | Short localized GMT format                                    | GMT-8                                                      |\n *  |                     | OOOO        | Long localized GMT format                                     | GMT-08:00                                                  |\n *\n *\n * ### Format examples\n *\n * These examples transform a date into various formats,\n * assuming that `dateObj` is a JavaScript `Date` object for\n * year: 2015, month: 6, day: 15, hour: 21, minute: 43, second: 11,\n * given in the local time for the `en-US` locale.\n *\n * ```\n * {{ dateObj | date }}               // output is 'Jun 15, 2015'\n * {{ dateObj | date:'medium' }}      // output is 'Jun 15, 2015, 9:43:11 PM'\n * {{ dateObj | date:'shortTime' }}   // output is '9:43 PM'\n * {{ dateObj | date:'mm:ss' }}       // output is '43:11'\n * {{ dateObj | date:\"MMM dd, yyyy 'at' hh:mm a\" }}  // output is 'Jun 15, 2015 at 09:43 PM'\n * ```\n *\n * ### Usage example\n *\n * The following component uses a date pipe to display the current date in different formats.\n *\n * ```\n * @Component({\n *  selector: 'date-pipe',\n *  template: `<div>\n *    <p>Today is {{today | date}}</p>\n *    <p>Or if you prefer, {{today | date:'fullDate'}}</p>\n *    <p>The time is {{today | date:'h:mm a z'}}</p>\n *  </div>`\n * })\n * // Get the current date and time as a date-time value.\n * export class DatePipeComponent {\n *   today: number = Date.now();\n * }\n * ```\n *\n * @publicApi\n */\n// clang-format on\n@Pipe({\n  name: 'date',\n  pure: true,\n  standalone: true,\n})\nexport class DatePipe implements PipeTransform {\n  constructor(\n      @Inject(LOCALE_ID) private locale: string,\n      @Inject(DATE_PIPE_DEFAULT_TIMEZONE) @Optional() private defaultTimezone?: string|null,\n      @Inject(DATE_PIPE_DEFAULT_OPTIONS) @Optional() private defaultOptions?: DatePipeConfig|null,\n  ) {}\n\n  /**\n   * @param value The date expression: a `Date` object,  a number\n   * (milliseconds since UTC epoch), or an ISO string (https://www.w3.org/TR/NOTE-datetime).\n   * @param format The date/time components to include, using predefined options or a\n   * custom format string.  When not provided, the `DatePipe` looks for the value using the\n   * `DATE_PIPE_DEFAULT_OPTIONS` injection token (and reads the `dateFormat` property).\n   * If the token is not configured, the `mediumDate` is used as a value.\n   * @param timezone A timezone offset (such as `'+0430'`), or a standard UTC/GMT, or continental US\n   * timezone abbreviation. When not provided, the `DatePipe` looks for the value using the\n   * `DATE_PIPE_DEFAULT_OPTIONS` injection token (and reads the `timezone` property). If the token\n   * is not configured, the end-user's local system timezone is used as a value.\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-common-locale-id).\n   *\n   * @see {@link DATE_PIPE_DEFAULT_OPTIONS}\n   *\n   * @returns A date string in the desired format.\n   */\n  transform(value: Date|string|number, format?: string, timezone?: string, locale?: string): string\n      |null;\n  transform(value: null|undefined, format?: string, timezone?: string, locale?: string): null;\n  transform(\n      value: Date|string|number|null|undefined, format?: string, timezone?: string,\n      locale?: string): string|null;\n  transform(\n      value: Date|string|number|null|undefined, format?: string, timezone?: string,\n      locale?: string): string|null {\n    if (value == null || value === '' || value !== value) return null;\n\n    try {\n      const _format = format ?? this.defaultOptions?.dateFormat ?? DEFAULT_DATE_FORMAT;\n      const _timezone =\n          timezone ?? this.defaultOptions?.timezone ?? this.defaultTimezone ?? undefined;\n      return formatDate(value, _format, locale || this.locale, _timezone);\n    } catch (error) {\n      throw invalidPipeArgumentError(DatePipe, (error as Error).message);\n    }\n  }\n}\n"]}