iVProg/js/services/languageService.js

import Lexers from './../../grammar/';

const DEFAULT_LANG = "pt";

export const LanguageService  = Object.freeze({

  getLang: () => {
    const lang = localStorage.getItem('ivprog.lang');
    if (lang === null || lang === undefined) {
      console.warn("Internal Error. User language information has not been set. Returning default...");
      return LanguageService.getDefaultLang();
    }
    return lang;
  },

  getDefaultLang: () => {
    return DEFAULT_LANG;
  },

  getCurrentLexer: () => {
    const lexer = Lexers[LanguageService.getLang()];
    if(lexer === null || lexer === undefined) {
      return Lexers[DEFAULT_LANG];
    } else {
      return lexer;
    }
  }

});