client/src/assets/player/translations-manager.ts

   1 import { logger } from '@root-helpers/logger'
   2 import { getCompleteLocale, getShortLocale, is18nLocale, isDefaultLocale } from '@shared/core-utils/i18n'
   3
   4 export class TranslationsManager {
   5   private static videojsLocaleCache: { [ path: string ]: any } = {}
   6
   7   static getServerTranslations (serverUrl: string, locale: string): Promise<{ [id: string]: string }> {
   8     const path = TranslationsManager.getLocalePath(serverUrl, locale)
   9     // It is the default locale, nothing to translate
  10     if (!path) return Promise.resolve(undefined)
  11
  12     return fetch(path + '/server.json')
  13       .then(res => res.json())
  14       .catch(err => {
  15         logger.error('Cannot get server translations', err)
  16         return undefined
  17       })
  18   }
  19
  20   static loadLocaleInVideoJS (serverUrl: string, locale: string, videojs: any) {
  21     const path = TranslationsManager.getLocalePath(serverUrl, locale)
  22     // It is the default locale, nothing to translate
  23     if (!path) return Promise.resolve(undefined)
  24
  25     let p: Promise<any>
  26
  27     if (TranslationsManager.videojsLocaleCache[path]) {
  28       p = Promise.resolve(TranslationsManager.videojsLocaleCache[path])
  29     } else {
  30       p = fetch(path + '/player.json')
  31         .then(res => res.json())
  32         .then(json => {
  33           TranslationsManager.videojsLocaleCache[path] = json
  34           return json
  35         })
  36         .catch(err => {
  37           logger.error('Cannot get player translations', err)
  38           return undefined
  39         })
  40     }
  41
  42     const completeLocale = getCompleteLocale(locale)
  43     return p.then(json => videojs.addLanguage(getShortLocale(completeLocale), json))
  44   }
  45
  46   private static getLocalePath (serverUrl: string, locale: string) {
  47     const completeLocale = getCompleteLocale(locale)
  48
  49     if (!is18nLocale(completeLocale) || isDefaultLocale(completeLocale)) return undefined
  50
  51     return serverUrl + '/client/locales/' + completeLocale
  52   }
  53 }