node task promise wtf

thing.js

var Q = require('q');
var util = require('util');
var EventEmitter = require('events').EventEmitter;

function MyTask() {
  EventEmitter.call(this);
  this._deferred = Q.defer();
  this.then = this._deferred.then.bind(this._deferred); // ???
}
util.extends(MyTask, EventEmitter);

MyTask.prototype.run = function() {
  this.run = function() { return this; };

  // Sample code
  var self = this;
  setTimeout(function() {
    self._deferred.resolve(123);
  }, 1000);

  return this;
};

exports.MyTask = MyTask;


var mt = new MyTask();
mt.on("debug", console.debug);
mt.run({}, etc).then(something);

var Q = require("q");

exports.run = function(logger, config, files) {
  var deferred = Q.defer();

  setTimeout(function() {
    logger.info("not doing anything with " + files);
    deferred.resolve(true);
  }, 1000);

  return deferred.promise;
};

// Config
var logger = new Logger({verbose: true, arbitraryData: "mytask"}).pipe(process.stdout);
var config = {foo: true};
var files = [{src: ["foo.js"], dest: "bar.js"}];

// Runn
require("mytask").run(logger, config, files).then(something);