| 1 | /**
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| 2 | * @license
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| 3 | * Copyright Google LLC All Rights Reserved.
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| 4 | *
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| 5 | * Use of this source code is governed by an MIT-style license that can be
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| 6 | * found in the LICENSE file at https://angular.io/license
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| 7 | */
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| 8 | import { Pipe } from '@angular/core';
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| 9 | import { getPluralCategory, NgLocalization } from '../i18n/localization';
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| 10 | import { invalidPipeArgumentError } from './invalid_pipe_argument_error';
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| 11 | const _INTERPOLATION_REGEXP = /#/g;
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| 12 | /**
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| 13 | * @ngModule CommonModule
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| 14 | * @description
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| 15 | *
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| 16 | * Maps a value to a string that pluralizes the value according to locale rules.
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| 17 | *
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| 18 | * @usageNotes
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| 19 | *
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| 20 | * ### Example
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| 21 | *
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| 22 | * {@example common/pipes/ts/i18n_pipe.ts region='I18nPluralPipeComponent'}
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| 23 | *
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| 24 | * @publicApi
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| 25 | */
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| 26 | export class I18nPluralPipe {
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| 27 | constructor(_localization) {
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| 28 | this._localization = _localization;
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| 29 | }
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| 30 | /**
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| 31 | * @param value the number to be formatted
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| 32 | * @param pluralMap an object that mimics the ICU format, see
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| 33 | * http://userguide.icu-project.org/formatparse/messages.
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| 34 | * @param locale a `string` defining the locale to use (uses the current {@link LOCALE_ID} by
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| 35 | * default).
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| 36 | */
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| 37 | transform(value, pluralMap, locale) {
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| 38 | if (value == null)
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| 39 | return '';
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| 40 | if (typeof pluralMap !== 'object' || pluralMap === null) {
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| 41 | throw invalidPipeArgumentError(I18nPluralPipe, pluralMap);
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| 42 | }
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| 43 | const key = getPluralCategory(value, Object.keys(pluralMap), this._localization, locale);
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| 44 | return pluralMap[key].replace(_INTERPOLATION_REGEXP, value.toString());
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| 45 | }
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| 46 | }
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| 47 | I18nPluralPipe.decorators = [
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| 48 | { type: Pipe, args: [{ name: 'i18nPlural', pure: true },] }
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| 49 | ];
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| 50 | I18nPluralPipe.ctorParameters = () => [
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| 51 | { type: NgLocalization }
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| 52 | ];
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| 53 | //# sourceMappingURL=data:application/json;base64,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 |
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