client/src/app/helpers/i18n-utils.ts

   1 import { environment } from '../../environments/environment'
   2 import IntlMessageFormat from 'intl-messageformat'
   3
   4 function isOnDevLocale () {
   5   return environment.production === false && window.location.search === '?lang=fr'
   6 }
   7
   8 function getDevLocale () {
   9   return 'fr-FR'
  10 }
  11
  12 function prepareIcu (icu: string) {
  13   let alreadyWarned = false
  14
  15   try {
  16     const msg = new IntlMessageFormat(icu, $localize.locale)
  17
  18     return (context: { [id: string]: number | string }, fallback: string) => {
  19       try {
  20         return msg.format(context) as string
  21       } catch (err) {
  22         if (!alreadyWarned) console.warn('Cannot format ICU %s.', icu, err)
  23
  24         alreadyWarned = true
  25         return fallback
  26       }
  27     }
  28   } catch (err) {
  29     console.warn('Cannot build intl message %s.', icu, err)
  30
  31     return (_context: unknown, fallback: string) => fallback
  32   }
  33 }
  34
  35 export {
  36   getDevLocale,
  37   prepareIcu,
  38   isOnDevLocale
  39 }