Method transform

packages/common/src/pipes/i18n_select_pipe.ts:41–57

* @param value a string to be internationalized. * @param mapping an object that indicates the text that should be displayed * for different values of the provided `value`.

(value: string | null | undefined, mapping: {[key: string]: string})

   * for different values of the provided `value`.
   */
  transform(value: string | null | undefined, mapping: {[key: string]: string}): string {
    if (value == null) return '';

    if (typeof mapping !== 'object' || typeof value !== 'string') {
      throw invalidPipeArgumentError(I18nSelectPipe, mapping);
    }

    if (Object.hasOwn(mapping, value)) {
      return mapping[value];
    }

    if (Object.hasOwn(mapping, 'other')) {
      return mapping['other'];
    }

    return '';
  }
}