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feat(core): remove dependency to intl API
BREAKING CHANGE: all i18n pipes have been updated to not require the intl API anymore. Some results might vary, see the document to update from v4 to v5 for more information. Fixes angular#10809, angular#9524, angular#7008, angular#9324, angular#7590, angular#6724, angular#3429, angular#17576, angular#17478, angular#17319, angular#17200, angular#16838, angular#16624, angular#16625, angular#16591, angular#14131, angular#12632, angular#11376, angular#11187
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| Original file line number | Diff line number | Diff line change |
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| /** | ||
| * @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 | ||
| */ | ||
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| import {Inject, Injectable, LOCALE_DATA, LOCALE_ID, NgLocale, Optional, Plural} from '@angular/core'; | ||
| import {AVAILABLE_LOCALES} from './available_locales'; | ||
| import {NgLocaleEn} from './data/locale_en'; | ||
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| /** | ||
| * @experimental | ||
| */ | ||
| export abstract class NgLocalization { | ||
| abstract getPluralCategory(value: any, locale?: string): string; | ||
| } | ||
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| /** | ||
| * Returns the plural category for a given value. | ||
| * - "=value" when the case exists, | ||
| * - the plural category otherwise | ||
| * | ||
| * @internal | ||
| */ | ||
| export function getPluralCategory( | ||
| value: number, cases: string[], ngLocalization: NgLocalization, locale?: string): string { | ||
| let key = `=${value}`; | ||
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| if (cases.indexOf(key) > -1) { | ||
| return key; | ||
| } | ||
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| key = ngLocalization.getPluralCategory(value, locale); | ||
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| if (cases.indexOf(key) > -1) { | ||
| return key; | ||
| } | ||
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| if (cases.indexOf('other') > -1) { | ||
| return 'other'; | ||
| } | ||
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| throw new Error(`No plural message found for value "${value}"`); | ||
| } | ||
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| /** | ||
| * Returns the plural case based on the locale | ||
| * | ||
| * @experimental | ||
| */ | ||
| @Injectable() | ||
| export class NgLocaleLocalization extends NgLocalization { | ||
| constructor( | ||
| @Inject(LOCALE_ID) protected locale: string, | ||
| @Optional() @Inject(LOCALE_DATA) protected localeData: NgLocale[]) { | ||
| super(); | ||
| } | ||
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| getPluralCategory(value: any, locale?: string): string { | ||
| const localeDatum = findNgLocale(locale || this.locale, this.localeData); | ||
| const plural = localeDatum.getPluralCase(value); | ||
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| switch (plural) { | ||
| case Plural.Zero: | ||
| return 'zero'; | ||
| case Plural.One: | ||
| return 'one'; | ||
| case Plural.Two: | ||
| return 'two'; | ||
| case Plural.Few: | ||
| return 'few'; | ||
| case Plural.Many: | ||
| return 'many'; | ||
| default: | ||
| return 'other'; | ||
| } | ||
| } | ||
| } | ||
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| /** | ||
| * Returns the closest existing locale or null | ||
| * ie: "en-US" will return "en", and "fr_ca" will return "fr-CA" | ||
| */ | ||
| function getNormalizedLocale(locale: string): string { | ||
| let normalizedLocale = locale.replace('_', '-'); | ||
| const match = | ||
| AVAILABLE_LOCALES.find((l: string) => l.toLocaleLowerCase() === locale.toLocaleLowerCase()); | ||
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| if (match) { | ||
| normalizedLocale = match; | ||
| } else { | ||
| const parentLocale = normalizedLocale.split('-')[0].toLocaleLowerCase(); | ||
| if (AVAILABLE_LOCALES.find((l: string) => l.toLocaleLowerCase() === parentLocale)) { | ||
| normalizedLocale = parentLocale; | ||
| } else { | ||
| throw new Error( | ||
| `"${locale}" is not a valid LOCALE_ID value. See https://github.com/unicode-cldr/cldr-core/blob/master/availableLocales.json for a list of valid locales`); | ||
| } | ||
| } | ||
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| return normalizedLocale; | ||
| } | ||
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| /** | ||
| * Finds the matching NgLocale for a locale | ||
| * | ||
| * @internal | ||
| * @experimental i18n support is experimental. | ||
| */ | ||
| export function findNgLocale(locale: string, localeData: NgLocale[] | null): NgLocale { | ||
| const currentLocale = getNormalizedLocale(locale); | ||
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| if (localeData) { | ||
| const match = | ||
| localeData.find((providedLocale: NgLocale) => providedLocale.localeId === currentLocale); | ||
| if (match) { | ||
| return match; | ||
| } | ||
| } | ||
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| if (currentLocale === 'en') { | ||
| return NgLocaleEn; | ||
| } else { | ||
| throw new Error(`Missing NgLocale data for the locale "${locale}"`); | ||
| } | ||
| } |
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