/**
   * I18n
   *
   * This module stores and serves translated strings, according to the users language settings.
   *
   * Translations are stored in /messages/frontend/*.msg.
   *
   * To make additions to any of these files accessible to JavaScrip Utilities
   * you need to add them to the respective *.msg file and to the list of FrontendMessages
   * in /src/Utils/Frontend/I18n.hs.
   *
   */

class I18n {

  translations = {};

  add(id, translation) {
    this.translations[id] = translation;
  }

  addMany(manyTranslations) {
    Object.keys(manyTranslations).forEach((key) => this.add(key, manyTranslations[key]));
  }

  get(id) {
    if (!this.translations[id]) {
      throw new Error('I18N Error: Translation missing for »' + id + '«!');
    }
    return this.translations[id];
  }
}

window.I18n = new I18n();