rjs-optim/index.js

requirejs optimize

/* jshint forin:true, noarg:true, noempty:true, newcap:false, eqeqeq:true, loopfunc:true, bitwise:true, strict:true, undef:true, unused:true, curly:true, browser:true, indent:2, maxerr:50 */
/* global require, exports */

(function(){
  "use strict";

  var _         = require("underscore");
  var path      = require("path");
  var Q         = require("q");
  var requirejs = require("requirejs");

  // ロガー
  var logger          = require( "./logger" ).get( "requirejs:" );
  var logging_success = logger.success;
  var logging_error   = logger.error;

  /**
   * requirejsのコンフィグを生成する
   * @param {Object} options 設定
   */
  exports.getConfig = function(options){
    // default values
    if( _.isUndefined(options.minify) || _.isNull(options.minify) ){
      options.minify = true;
    }

    var name    = options.name;
    var baseUrl = options.baseUrl;
    var out     = options.out;
    var minify  = String(options.minify) === "true";
    var ext     = options.ext || ".js";

    if( !out && options.outDir ){
      out = path.join(options.outDir, name + ext);
    }

    var config = {
      baseUrl  : baseUrl,
      name     : name,
      out      : out,
      almond   : true,
      optimize : (minify ? "uglify2" : "none"),
      uglify2  : {
        warnings : true,
        mangle   : true,
        output   : { beautify  : false },
        compress : { sequences : false }
      }
    };
    if( _.isObject(options) ){
      _.extend( config, _.pick( options, "shim", "paths", "include", "preserveLicenseComments", "generateSourceMaps", "useSourceUrl" ) );
    }
    return config;
  };

  /**
   * 実際のoptimize処理
   * @param {Object} config requirejsのコンフィグ
   */
  exports.optimize = function(config){
    var deferred = Q.defer();
    try {
      requirejs.optimize( config, function(){
        logging_success( config.name );
        deferred.resolve();
      });
    } catch(e) {
      logging_error(e.message);
      deferred.reject();
    }
    return deferred.promise;
  };

}());