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75 lines
6.9 KiB
75 lines
6.9 KiB
/**
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* @license
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* Copyright Google LLC All Rights Reserved.
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*
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* Use of this source code is governed by an MIT-style license that can be
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* found in the LICENSE file at https://angular.io/license
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*/
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import { Inject, Injectable, LOCALE_ID } from '@angular/core';
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import { getLocalePluralCase, Plural } from './locale_data_api';
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/**
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* @publicApi
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*/
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import * as ɵngcc0 from '@angular/core';
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export class NgLocalization {
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}
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/**
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* Returns the plural category for a given value.
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* - "=value" when the case exists,
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* - the plural category otherwise
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*/
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export function getPluralCategory(value, cases, ngLocalization, locale) {
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let key = `=${value}`;
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if (cases.indexOf(key) > -1) {
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return key;
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}
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key = ngLocalization.getPluralCategory(value, locale);
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if (cases.indexOf(key) > -1) {
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return key;
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}
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if (cases.indexOf('other') > -1) {
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return 'other';
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}
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throw new Error(`No plural message found for value "${value}"`);
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}
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/**
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* Returns the plural case based on the locale
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*
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* @publicApi
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*/
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export class NgLocaleLocalization extends NgLocalization {
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constructor(locale) {
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super();
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this.locale = locale;
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}
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getPluralCategory(value, locale) {
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const plural = getLocalePluralCase(locale || this.locale)(value);
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switch (plural) {
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case Plural.Zero:
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return 'zero';
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case Plural.One:
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return 'one';
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case Plural.Two:
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return 'two';
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case Plural.Few:
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return 'few';
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case Plural.Many:
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return 'many';
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default:
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return 'other';
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}
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}
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}
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NgLocaleLocalization.ɵfac = function NgLocaleLocalization_Factory(t) { return new (t || NgLocaleLocalization)(ɵngcc0.ɵɵinject(LOCALE_ID)); };
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NgLocaleLocalization.ɵprov = /*@__PURE__*/ ɵngcc0.ɵɵdefineInjectable({ token: NgLocaleLocalization, factory: NgLocaleLocalization.ɵfac });
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NgLocaleLocalization.ctorParameters = () => [
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{ type: String, decorators: [{ type: Inject, args: [LOCALE_ID,] }] }
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];
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(function () { (typeof ngDevMode === "undefined" || ngDevMode) && ɵngcc0.ɵsetClassMetadata(NgLocaleLocalization, [{
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type: Injectable
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}], function () { return [{ type: String, decorators: [{
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type: Inject,
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args: [LOCALE_ID]
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}] }]; }, null); })();
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