hikaru-coffee/lib/translator.js

A static site generator that generates routes based on directories naturally.

// Generated by CoffeeScript 2.3.1
(function() {
  var Promise, Translator, format;

  ({format} = require("util"));

  Promise = require("bluebird");

  Translator = class Translator {
    constructor(logger) {
      this.register = this.register.bind(this);
      this.list = this.list.bind(this);
      this.getTranslateFn = this.getTranslateFn.bind(this);
      this.logger = logger;
      this._ = {};
    }

    register(lang, obj) {
      var i, l, len;
      if (!(obj instanceof Object)) {
        throw new TypeError("obj must be a Object generated from yaml language file!");
        return;
      }
      if (lang instanceof Array) {
        for (i = 0, len = lang.length; i < len; i++) {
          l = lang[i];
          this._[l] = obj;
        }
        return;
      }
      return this._[lang] = obj;
    }

    list() {
      return Object.keys(this._);
    }

    getTranslateFn(lang) {
      return (key, ...args) => {
        var i, k, keys, len, res;
        keys = key.toString().split(".");
        res = this._[lang];
        if (!(lang in this._)) {
          this.logger.info(`Hikaru cannot find language \`${lang}\`, using default.`);
          res = this._["default"];
        }
        for (i = 0, len = keys.length; i < len; i++) {
          k = keys[i];
          if (!(k in res)) {
            return key;
          }
          res = res[k];
        }
        if (typeof res === "string") {
          if (args.length > 0) {
            return format(res, args);
          } else {
            return res;
          }
        }
        if (args.length > 0) {
          return format(key, args);
        } else {
          return key;
        }
      };
    }

  };

  module.exports = Translator;

}).call(this);