@angular/common
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Angular - commonly needed directives and services
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JavaScript
/**
* @license
* Copyright Google Inc. All Rights Reserved.
*
* Use 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 * as tslib_1 from "tslib";
import { Inject, LOCALE_ID, Pipe } from '@angular/core';
import { ISO8601_DATE_REGEX, isoStringToDate } from '../../i18n/format_date';
import { invalidPipeArgumentError } from '../invalid_pipe_argument_error';
import { DateFormatter } from './intl';
/**
* @ngModule CommonModule
* @description
*
* Formats a date according to locale rules.
*
* Where:
* - `expression` is a date object or a number (milliseconds since UTC epoch) or an ISO string
* (https://www.w3.org/TR/NOTE-datetime).
* - `format` indicates which date/time components to include. The format can be predefined as
* shown below or custom as shown in the table.
* - `'medium'`: equivalent to `'yMMMdjms'` (e.g. `Sep 3, 2010, 12:05:08 PM` for `en-US`)
* - `'short'`: equivalent to `'yMdjm'` (e.g. `9/3/2010, 12:05 PM` for `en-US`)
* - `'fullDate'`: equivalent to `'yMMMMEEEEd'` (e.g. `Friday, September 3, 2010` for `en-US`)
* - `'longDate'`: equivalent to `'yMMMMd'` (e.g. `September 3, 2010` for `en-US`)
* - `'mediumDate'`: equivalent to `'yMMMd'` (e.g. `Sep 3, 2010` for `en-US`)
* - `'shortDate'`: equivalent to `'yMd'` (e.g. `9/3/2010` for `en-US`)
* - `'mediumTime'`: equivalent to `'jms'` (e.g. `12:05:08 PM` for `en-US`)
* - `'shortTime'`: equivalent to `'jm'` (e.g. `12:05 PM` for `en-US`)
*
*
* | Component | Symbol | Narrow | Short Form | Long Form | Numeric | 2-digit |
* |-----------|:------:|--------|--------------|-------------------|-----------|-----------|
* | era | G | G (A) | GGG (AD) | GGGG (Anno Domini)| - | - |
* | year | y | - | - | - | y (2015) | yy (15) |
* | month | M | L (S) | MMM (Sep) | MMMM (September) | M (9) | MM (09) |
* | day | d | - | - | - | d (3) | dd (03) |
* | weekday | E | E (S) | EEE (Sun) | EEEE (Sunday) | - | - |
* | hour | j | - | - | - | j (13) | jj (13) |
* | hour12 | h | - | - | - | h (1 PM) | hh (01 PM)|
* | hour24 | H | - | - | - | H (13) | HH (13) |
* | minute | m | - | - | - | m (5) | mm (05) |
* | second | s | - | - | - | s (9) | ss (09) |
* | timezone | z | - | - | z (Pacific Standard Time)| - | - |
* | timezone | Z | - | Z (GMT-8:00) | - | - | - |
* | timezone | a | - | a (PM) | - | - | - |
*
* In javascript, only the components specified will be respected (not the ordering,
* punctuations, ...) and details of the formatting will be dependent on the locale.
*
* Timezone of the formatted text will be the local system timezone of the end-user's machine.
*
* When the expression is a ISO string without time (e.g. 2016-09-19) the time zone offset is not
* applied and the formatted text will have the same day, month and year of the expression.
*
* WARNINGS:
* - this pipe is marked as pure hence it will not be re-evaluated when the input is mutated.
* Instead users should treat the date as an immutable object and change the reference when the
* pipe needs to re-run (this is to avoid reformatting the date on every change detection run
* which would be an expensive operation).
* - this pipe uses the Internationalization API. Therefore it is only reliable in Chrome and Opera
* browsers.
*
* @usageNotes
*
* ### Examples
*
* Assuming `dateObj` is (year: 2010, month: 9, day: 3, hour: 12 PM, minute: 05, second: 08)
* in the _local_ time and locale is 'en-US':
*
* {@example common/pipes/ts/date_pipe.ts region='DeprecatedDatePipe'}
*
* @publicApi
*/
var DeprecatedDatePipe = /** @class */ (function () {
function DeprecatedDatePipe(_locale) {
this._locale = _locale;
}
DeprecatedDatePipe_1 = DeprecatedDatePipe;
DeprecatedDatePipe.prototype.transform = function (value, pattern) {
if (pattern === void 0) { pattern = 'mediumDate'; }
if (value == null || value === '' || value !== value)
return null;
var date;
if (typeof value === 'string') {
value = value.trim();
}
if (isDate(value)) {
date = value;
}
else if (!isNaN(value - parseFloat(value))) {
date = new Date(parseFloat(value));
}
else if (typeof value === 'string' && /^(\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, ...
*/
var _a = tslib_1.__read(value.split('-').map(function (val) { return parseInt(val, 10); }), 3), y = _a[0], m = _a[1], d = _a[2];
date = new Date(y, m - 1, d);
}
else {
date = new Date(value);
}
if (!isDate(date)) {
var match = void 0;
if ((typeof value === 'string') && (match = value.match(ISO8601_DATE_REGEX))) {
date = isoStringToDate(match);
}
else {
throw invalidPipeArgumentError(DeprecatedDatePipe_1, value);
}
}
return DateFormatter.format(date, this._locale, DeprecatedDatePipe_1._ALIASES[pattern] || pattern);
};
var DeprecatedDatePipe_1;
/** @internal */
DeprecatedDatePipe._ALIASES = {
'medium': 'yMMMdjms',
'short': 'yMdjm',
'fullDate': 'yMMMMEEEEd',
'longDate': 'yMMMMd',
'mediumDate': 'yMMMd',
'shortDate': 'yMd',
'mediumTime': 'jms',
'shortTime': 'jm'
};
DeprecatedDatePipe = DeprecatedDatePipe_1 = tslib_1.__decorate([
Pipe({ name: 'date', pure: true }),
tslib_1.__param(0, Inject(LOCALE_ID)),
tslib_1.__metadata("design:paramtypes", [String])
], DeprecatedDatePipe);
return DeprecatedDatePipe;
}());
export { DeprecatedDatePipe };
function isDate(value) {
return value instanceof Date && !isNaN(value.valueOf());
}
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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, LOCALE_ID, Pipe, PipeTransform} from '@angular/core';\nimport {ISO8601_DATE_REGEX, isoStringToDate} from '../../i18n/format_date';\nimport {invalidPipeArgumentError} from '../invalid_pipe_argument_error';\nimport {DateFormatter} from './intl';\n\n/**\n * @ngModule CommonModule\n * @description\n *\n * Formats a date according to locale rules.\n *\n * Where:\n * - `expression` is a date object or a number (milliseconds since UTC epoch) or an ISO string\n * (https://www.w3.org/TR/NOTE-datetime).\n * - `format` indicates which date/time components to include. The format can be predefined as\n *   shown below or custom as shown in the table.\n *   - `'medium'`: equivalent to `'yMMMdjms'` (e.g. `Sep 3, 2010, 12:05:08 PM` for `en-US`)\n *   - `'short'`: equivalent to `'yMdjm'` (e.g. `9/3/2010, 12:05 PM` for `en-US`)\n *   - `'fullDate'`: equivalent to `'yMMMMEEEEd'` (e.g. `Friday, September 3, 2010` for `en-US`)\n *   - `'longDate'`: equivalent to `'yMMMMd'` (e.g. `September 3, 2010` for `en-US`)\n *   - `'mediumDate'`: equivalent to `'yMMMd'` (e.g. `Sep 3, 2010` for `en-US`)\n *   - `'shortDate'`: equivalent to `'yMd'` (e.g. `9/3/2010` for `en-US`)\n *   - `'mediumTime'`: equivalent to `'jms'` (e.g. `12:05:08 PM` for `en-US`)\n *   - `'shortTime'`: equivalent to `'jm'` (e.g. `12:05 PM` for `en-US`)\n *\n *\n *  | Component | Symbol | Narrow | Short Form   | Long Form         | Numeric   | 2-digit   |\n *  |-----------|:------:|--------|--------------|-------------------|-----------|-----------|\n *  | era       |   G    | G (A)  | GGG (AD)     | GGGG (Anno Domini)| -         | -         |\n *  | year      |   y    | -      | -            | -                 | y (2015)  | yy (15)   |\n *  | month     |   M    | L (S)  | MMM (Sep)    | MMMM (September)  | M (9)     | MM (09)   |\n *  | day       |   d    | -      | -            | -                 | d (3)     | dd (03)   |\n *  | weekday   |   E    | E (S)  | EEE (Sun)    | EEEE (Sunday)     | -         | -         |\n *  | hour      |   j    | -      | -            | -                 | j (13)    | jj (13)   |\n *  | hour12    |   h    | -      | -            | -                 | h (1 PM)  | hh (01 PM)|\n *  | hour24    |   H    | -      | -            | -                 | H (13)    | HH (13)   |\n *  | minute    |   m    | -      | -            | -                 | m (5)     | mm (05)   |\n *  | second    |   s    | -      | -            | -                 | s (9)     | ss (09)   |\n *  | timezone  |   z    | -      | -            | z (Pacific Standard Time)| -  | -         |\n *  | timezone  |   Z    | -      | Z (GMT-8:00) | -                 | -         | -         |\n *  | timezone  |   a    | -      | a (PM)       | -                 | -         | -         |\n *\n * In javascript, only the components specified will be respected (not the ordering,\n * punctuations, ...) and details of the formatting will be dependent on the locale.\n *\n * Timezone of the formatted text will be the local system timezone of the end-user's machine.\n *\n * When the expression is a ISO string without time (e.g. 2016-09-19) the time zone offset is not\n * applied and the formatted text will have the same day, month and year of the expression.\n *\n * WARNINGS:\n * - this pipe is marked as pure hence it will not be re-evaluated when the input is mutated.\n *   Instead users should treat the date as an immutable object and change the reference when the\n *   pipe needs to re-run (this is to avoid reformatting the date on every change detection run\n *   which would be an expensive operation).\n * - this pipe uses the Internationalization API. Therefore it is only reliable in Chrome and Opera\n *   browsers.\n *\n * @usageNotes\n *\n * ### Examples\n *\n * Assuming `dateObj` is (year: 2010, month: 9, day: 3, hour: 12 PM, minute: 05, second: 08)\n * in the _local_ time and locale is 'en-US':\n *\n * {@example common/pipes/ts/date_pipe.ts region='DeprecatedDatePipe'}\n *\n * @publicApi\n */\n@Pipe({name: 'date', pure: true})\nexport class DeprecatedDatePipe implements PipeTransform {\n  /** @internal */\n  static _ALIASES: {[key: string]: string} = {\n    'medium': 'yMMMdjms',\n    'short': 'yMdjm',\n    'fullDate': 'yMMMMEEEEd',\n    'longDate': 'yMMMMd',\n    'mediumDate': 'yMMMd',\n    'shortDate': 'yMd',\n    'mediumTime': 'jms',\n    'shortTime': 'jm'\n  };\n\n  constructor(@Inject(LOCALE_ID) private _locale: string) {}\n\n  transform(value: any, pattern: string = 'mediumDate'): string|null {\n    if (value == null || value === '' || value !== value) return null;\n\n    let date: Date;\n\n    if (typeof value === 'string') {\n      value = value.trim();\n    }\n\n    if (isDate(value)) {\n      date = value;\n    } else if (!isNaN(value - parseFloat(value))) {\n      date = new Date(parseFloat(value));\n    } else if (typeof value === 'string' && /^(\\d{4}-\\d{1,2}-\\d{1,2})$/.test(value)) {\n      /**\n       * For ISO Strings without time the day, month and year must be extracted from the ISO String\n       * before Date creation to avoid time offset and errors in the new Date.\n       * If we only replace '-' with ',' in the ISO String (\"2015,01,01\"), and try to create a new\n       * date, some browsers (e.g. IE 9) will throw an invalid Date error\n       * If we leave the '-' (\"2015-01-01\") and try to create a new Date(\"2015-01-01\") the\n       * timeoffset\n       * is applied\n       * Note: ISO months are 0 for January, 1 for February, ...\n       */\n      const [y, m, d] = value.split('-').map((val: string) => parseInt(val, 10));\n      date = new Date(y, m - 1, d);\n    } else {\n      date = new Date(value);\n    }\n\n    if (!isDate(date)) {\n      let match: RegExpMatchArray|null;\n      if ((typeof value === 'string') && (match = value.match(ISO8601_DATE_REGEX))) {\n        date = isoStringToDate(match);\n      } else {\n        throw invalidPipeArgumentError(DeprecatedDatePipe, value);\n      }\n    }\n\n    return DateFormatter.format(\n        date, this._locale, DeprecatedDatePipe._ALIASES[pattern] || pattern);\n  }\n}\n\nfunction isDate(value: any): value is Date {\n  return value instanceof Date && !isNaN(value.valueOf());\n}\n"]}