kitchen-simulator/es/translator/translator.js

It is a kitchen simulator (self-contained micro-frontend).

import _classCallCheck from "@babel/runtime/helpers/esm/classCallCheck";
import _createClass from "@babel/runtime/helpers/esm/createClass";
import EN from "./en";
import IT from "./it";
import RU from "./ru";
var DEFAULT_LOCALE = 'en';
var Translator = /*#__PURE__*/function () {
  function Translator() {
    _classCallCheck(this, Translator);
    this.locale = null;
    this.translations = {};
    this.registerTranslation('en', EN);
    this.registerTranslation('it', IT);
    this.registerTranslation('ru', RU);
    var locale = null;
    var languages = Translator.getBrowserLanguages();
    for (var i = 0; i < languages.length; i++) {
      var lang = languages[i];
      if (this.translations.hasOwnProperty(lang)) {
        locale = lang;
        break;
      }
    }
    locale = locale ? locale : DEFAULT_LOCALE;
    this.setLocale(locale);
  }
  return _createClass(Translator, [{
    key: "t",
    value: function t(phrase) {
      for (var _len = arguments.length, params = new Array(_len > 1 ? _len - 1 : 0), _key = 1; _key < _len; _key++) {
        params[_key - 1] = arguments[_key];
      }
      return this.translate.apply(this, [phrase].concat(params));
    }
  }, {
    key: "translate",
    value: function translate(phrase) {
      for (var _len2 = arguments.length, params = new Array(_len2 > 1 ? _len2 - 1 : 0), _key2 = 1; _key2 < _len2; _key2++) {
        params[_key2 - 1] = arguments[_key2];
      }
      var locale = this.locale;
      var translation = this.translations[locale];
      if (!translation.hasOwnProperty(phrase)) {
        console.warn("translation '".concat(phrase, "' not found in language '").concat(locale, "'"));
        return phrase;
      }
      var translatedPhrase = translation[phrase];
      translatedPhrase = translatedPhrase.replace(/{(\d+)}/g, function (match, number) {
        return typeof params[number] != 'undefined' ? params[number] : match;
      });
      return translatedPhrase;
    }
  }, {
    key: "setLocale",
    value: function setLocale(locale) {
      locale = locale.toLowerCase();
      if (this.translations.hasOwnProperty(locale)) {
        this.locale = locale;
      } else {
        console.warn("locale '".concat(locale, "' not available, switch to ").concat(DEFAULT_LOCALE));
        this.locale = DEFAULT_LOCALE.toLowerCase();
      }
    }
  }, {
    key: "registerTranslation",
    value: function registerTranslation(locale, translations) {
      if (!this.translations.hasOwnProperty(locale)) {
        this.translations[locale] = translations;
      } else {
        Object.assign(this.translations[locale], translations);
      }
    }
  }], [{
    key: "getBrowserLanguages",
    value: function getBrowserLanguages() {
      return navigator.languages ? navigator.languages : [navigator.language || navigator.userLanguage];
    }
  }]);
}();
export { Translator as default };