text: var _ = require('lodash'),
      EventEmitter = require('events').EventEmitter,
      os = require("os");
  
  var JqueryFileUploadMiddleware = function () {
      EventEmitter.call(this);
      // setting default options
      this.options = this.prepareOptions({});
  };
  require('util').inherits(JqueryFileUploadMiddleware, EventEmitter);
  
  JqueryFileUploadMiddleware.prototype.prepareOptions = function (options) {
      options = _.extend({
          tmpDir: os.tmpdir(),
          uploadDir: __dirname + '/public/files',
          uploadUrl: '/files/',
          maxPostSize: 11000000000, // 11 GB
          minFileSize: 1,
          maxFileSize: 10000000000, // 10 GB
          acceptFileTypes: /.+/i,
          imageTypes: /\.(gif|jpe?g|png)$/i,
          imageVersions: {
  //            thumbnail: {
  //                width: 80,
  //                height: 80
  //            }
          },
          accessControl: {
              allowOrigin: '*',
              allowMethods: 'OPTIONS, HEAD, GET, POST, PUT, DELETE'
          }
      }, options);
  
      _.each(['uploadDir', 'uploadUrl'], function (key) {
          if (!_.isFunction(options[key])) {
              var originalValue = options[key];
              options[key] = function () {
                  return originalValue
              };
          }
      });
  
      return options;
  }
  
  JqueryFileUploadMiddleware.prototype.configure = function (options) {
      this.options = this.prepareOptions(options);
  };
  
  JqueryFileUploadMiddleware.prototype.fileHandler = function (options) {
      return require('../lib/filehandler')(this, this.prepareOptions(_.extend(this.options, options)));
  };
  
  JqueryFileUploadMiddleware.prototype.fileManager = function (options) {
      return require('../lib/filemanager')(this, this.prepareOptions(_.extend(this.options, options)));
  };
  
  module.exports = new JqueryFileUploadMiddleware();