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[ADD] models to printer

Gogs 7 anni fa
parent
commit
86fb0d80e0
7 ha cambiato i file con 10455 aggiunte e 62 eliminazioni
  1. 4 1
      models/printer.py
  2. 21 0
      models/socket.py
  3. 4660 0
      static/lib/engine.io.js
  4. 0 0
      static/lib/socket.io.js
  5. 5733 0
      static/lib/sockjs.js
  6. 36 53
      static/src/js/main.js
  7. 1 8
      templates.xml

+ 4 - 1
models/printer.py

@@ -5,4 +5,7 @@ from openerp import models, fields
 class PrinterPrinter(models.Model):
     _name = 'printer.printer'
 
-    name = fields.Char(string='Impresora', size=35)
+    name = fields.Char(string='Impresora', size=35, required=True)
+    is_default = fields.Boolean(string='Por defecto', default=False)
+    prints_success_count = fields.Integer(string='Impresiones con éxito', default=0)
+    prints_failed_count = fields.Integer(string='Impresiones fallidas', default=0)

+ 21 - 0
models/socket.py

@@ -0,0 +1,21 @@
+# -*- coding: utf-8 -*-
+from openerp import models, fields
+
+class PrinterSocket(models.Model):
+    _name = 'printer.socket'
+
+    AVAILABLE_PROTOCOLS = [
+        ('ws', 'ws (WebSocket)'),
+        ('wss', 'wss (WebSocket Seguro)'),
+        ('http', 'http (HyperTexto)'),
+        ('https', 'http (HyperTexto Seguro)')
+    ]
+
+    name = fields.Char(string='Nombre', size=35, required=True)
+    protocol = fields.Selection(string='Protocolo', selection=AVAILABLE_PROTOCOLS, default='ws')
+    host = fields.Char(string='Host', default='127.0.0.1', required=True)
+    port = fields.Integer(string='Puerto', default=8070, required=True)
+    path = fields.Char(string='Recurso', default='/')
+    last_connection = fields.Datetime(string='Última conexión', readonly=True)
+    printer_ids = fields.One2many(comodel_name='printer.printer', inverse_name='socket_id')
+    user_ids = fields.Many2many(comodel_name='res.users', relation='sockets_users', column1='user_id', column2='socket_id')

+ 4660 - 0
static/lib/engine.io.js

@@ -0,0 +1,4660 @@
+(function webpackUniversalModuleDefinition(root, factory) {
+	if(typeof exports === 'object' && typeof module === 'object')
+		module.exports = factory();
+	else if(typeof define === 'function' && define.amd)
+		define([], factory);
+	else if(typeof exports === 'object')
+		exports["eio"] = factory();
+	else
+		root["eio"] = factory();
+})(this, function() {
+return /******/ (function(modules) { // webpackBootstrap
+/******/ 	// The module cache
+/******/ 	var installedModules = {};
+
+/******/ 	// The require function
+/******/ 	function __webpack_require__(moduleId) {
+
+/******/ 		// Check if module is in cache
+/******/ 		if(installedModules[moduleId])
+/******/ 			return installedModules[moduleId].exports;
+
+/******/ 		// Create a new module (and put it into the cache)
+/******/ 		var module = installedModules[moduleId] = {
+/******/ 			exports: {},
+/******/ 			id: moduleId,
+/******/ 			loaded: false
+/******/ 		};
+
+/******/ 		// Execute the module function
+/******/ 		modules[moduleId].call(module.exports, module, module.exports, __webpack_require__);
+
+/******/ 		// Flag the module as loaded
+/******/ 		module.loaded = true;
+
+/******/ 		// Return the exports of the module
+/******/ 		return module.exports;
+/******/ 	}
+
+
+/******/ 	// expose the modules object (__webpack_modules__)
+/******/ 	__webpack_require__.m = modules;
+
+/******/ 	// expose the module cache
+/******/ 	__webpack_require__.c = installedModules;
+
+/******/ 	// __webpack_public_path__
+/******/ 	__webpack_require__.p = "";
+
+/******/ 	// Load entry module and return exports
+/******/ 	return __webpack_require__(0);
+/******/ })
+/************************************************************************/
+/******/ ([
+/* 0 */
+/***/ function(module, exports, __webpack_require__) {
+
+	'use strict';
+
+	module.exports = __webpack_require__(1);
+
+	/**
+	 * Exports parser
+	 *
+	 * @api public
+	 *
+	 */
+	module.exports.parser = __webpack_require__(8);
+
+/***/ },
+/* 1 */
+/***/ function(module, exports, __webpack_require__) {
+
+	/* WEBPACK VAR INJECTION */(function(global) {'use strict';
+
+	var _typeof = typeof Symbol === "function" && typeof Symbol.iterator === "symbol" ? function (obj) { return typeof obj; } : function (obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; };
+
+	/**
+	 * Module dependencies.
+	 */
+
+	var transports = __webpack_require__(2);
+	var Emitter = __webpack_require__(18);
+	var debug = __webpack_require__(22)('engine.io-client:socket');
+	var index = __webpack_require__(29);
+	var parser = __webpack_require__(8);
+	var parseuri = __webpack_require__(30);
+	var parseqs = __webpack_require__(19);
+
+	/**
+	 * Module exports.
+	 */
+
+	module.exports = Socket;
+
+	/**
+	 * Socket constructor.
+	 *
+	 * @param {String|Object} uri or options
+	 * @param {Object} options
+	 * @api public
+	 */
+
+	function Socket(uri, opts) {
+	  if (!(this instanceof Socket)) return new Socket(uri, opts);
+
+	  opts = opts || {};
+
+	  if (uri && 'object' === (typeof uri === 'undefined' ? 'undefined' : _typeof(uri))) {
+	    opts = uri;
+	    uri = null;
+	  }
+
+	  if (uri) {
+	    uri = parseuri(uri);
+	    opts.hostname = uri.host;
+	    opts.secure = uri.protocol === 'https' || uri.protocol === 'wss';
+	    opts.port = uri.port;
+	    if (uri.query) opts.query = uri.query;
+	  } else if (opts.host) {
+	    opts.hostname = parseuri(opts.host).host;
+	  }
+
+	  this.secure = null != opts.secure ? opts.secure : global.location && 'https:' === location.protocol;
+
+	  if (opts.hostname && !opts.port) {
+	    // if no port is specified manually, use the protocol default
+	    opts.port = this.secure ? '443' : '80';
+	  }
+
+	  this.agent = opts.agent || false;
+	  this.hostname = opts.hostname || (global.location ? location.hostname : 'localhost');
+	  this.port = opts.port || (global.location && location.port ? location.port : this.secure ? 443 : 80);
+	  this.query = opts.query || {};
+	  if ('string' === typeof this.query) this.query = parseqs.decode(this.query);
+	  this.upgrade = false !== opts.upgrade;
+	  this.path = (opts.path || '/engine.io').replace(/\/$/, '') + '/';
+	  this.forceJSONP = !!opts.forceJSONP;
+	  this.jsonp = false !== opts.jsonp;
+	  this.forceBase64 = !!opts.forceBase64;
+	  this.enablesXDR = !!opts.enablesXDR;
+	  this.timestampParam = opts.timestampParam || 't';
+	  this.timestampRequests = opts.timestampRequests;
+	  this.transports = opts.transports || ['polling', 'websocket'];
+	  this.transportOptions = opts.transportOptions || {};
+	  this.readyState = '';
+	  this.writeBuffer = [];
+	  this.prevBufferLen = 0;
+	  this.policyPort = opts.policyPort || 843;
+	  this.rememberUpgrade = opts.rememberUpgrade || false;
+	  this.binaryType = null;
+	  this.onlyBinaryUpgrades = opts.onlyBinaryUpgrades;
+	  this.perMessageDeflate = false !== opts.perMessageDeflate ? opts.perMessageDeflate || {} : false;
+
+	  if (true === this.perMessageDeflate) this.perMessageDeflate = {};
+	  if (this.perMessageDeflate && null == this.perMessageDeflate.threshold) {
+	    this.perMessageDeflate.threshold = 1024;
+	  }
+
+	  // SSL options for Node.js client
+	  this.pfx = opts.pfx || null;
+	  this.key = opts.key || null;
+	  this.passphrase = opts.passphrase || null;
+	  this.cert = opts.cert || null;
+	  this.ca = opts.ca || null;
+	  this.ciphers = opts.ciphers || null;
+	  this.rejectUnauthorized = opts.rejectUnauthorized === undefined ? true : opts.rejectUnauthorized;
+	  this.forceNode = !!opts.forceNode;
+
+	  // other options for Node.js client
+	  var freeGlobal = (typeof global === 'undefined' ? 'undefined' : _typeof(global)) === 'object' && global;
+	  if (freeGlobal.global === freeGlobal) {
+	    if (opts.extraHeaders && Object.keys(opts.extraHeaders).length > 0) {
+	      this.extraHeaders = opts.extraHeaders;
+	    }
+
+	    if (opts.localAddress) {
+	      this.localAddress = opts.localAddress;
+	    }
+	  }
+
+	  // set on handshake
+	  this.id = null;
+	  this.upgrades = null;
+	  this.pingInterval = null;
+	  this.pingTimeout = null;
+
+	  // set on heartbeat
+	  this.pingIntervalTimer = null;
+	  this.pingTimeoutTimer = null;
+
+	  this.open();
+	}
+
+	Socket.priorWebsocketSuccess = false;
+
+	/**
+	 * Mix in `Emitter`.
+	 */
+
+	Emitter(Socket.prototype);
+
+	/**
+	 * Protocol version.
+	 *
+	 * @api public
+	 */
+
+	Socket.protocol = parser.protocol; // this is an int
+
+	/**
+	 * Expose deps for legacy compatibility
+	 * and standalone browser access.
+	 */
+
+	Socket.Socket = Socket;
+	Socket.Transport = __webpack_require__(7);
+	Socket.transports = __webpack_require__(2);
+	Socket.parser = __webpack_require__(8);
+
+	/**
+	 * Creates transport of the given type.
+	 *
+	 * @param {String} transport name
+	 * @return {Transport}
+	 * @api private
+	 */
+
+	Socket.prototype.createTransport = function (name) {
+	  debug('creating transport "%s"', name);
+	  var query = clone(this.query);
+
+	  // append engine.io protocol identifier
+	  query.EIO = parser.protocol;
+
+	  // transport name
+	  query.transport = name;
+
+	  // per-transport options
+	  var options = this.transportOptions[name] || {};
+
+	  // session id if we already have one
+	  if (this.id) query.sid = this.id;
+
+	  var transport = new transports[name]({
+	    query: query,
+	    socket: this,
+	    agent: options.agent || this.agent,
+	    hostname: options.hostname || this.hostname,
+	    port: options.port || this.port,
+	    secure: options.secure || this.secure,
+	    path: options.path || this.path,
+	    forceJSONP: options.forceJSONP || this.forceJSONP,
+	    jsonp: options.jsonp || this.jsonp,
+	    forceBase64: options.forceBase64 || this.forceBase64,
+	    enablesXDR: options.enablesXDR || this.enablesXDR,
+	    timestampRequests: options.timestampRequests || this.timestampRequests,
+	    timestampParam: options.timestampParam || this.timestampParam,
+	    policyPort: options.policyPort || this.policyPort,
+	    pfx: options.pfx || this.pfx,
+	    key: options.key || this.key,
+	    passphrase: options.passphrase || this.passphrase,
+	    cert: options.cert || this.cert,
+	    ca: options.ca || this.ca,
+	    ciphers: options.ciphers || this.ciphers,
+	    rejectUnauthorized: options.rejectUnauthorized || this.rejectUnauthorized,
+	    perMessageDeflate: options.perMessageDeflate || this.perMessageDeflate,
+	    extraHeaders: options.extraHeaders || this.extraHeaders,
+	    forceNode: options.forceNode || this.forceNode,
+	    localAddress: options.localAddress || this.localAddress,
+	    requestTimeout: options.requestTimeout || this.requestTimeout,
+	    protocols: options.protocols || void 0
+	  });
+
+	  return transport;
+	};
+
+	function clone(obj) {
+	  var o = {};
+	  for (var i in obj) {
+	    if (obj.hasOwnProperty(i)) {
+	      o[i] = obj[i];
+	    }
+	  }
+	  return o;
+	}
+
+	/**
+	 * Initializes transport to use and starts probe.
+	 *
+	 * @api private
+	 */
+	Socket.prototype.open = function () {
+	  var transport;
+	  if (this.rememberUpgrade && Socket.priorWebsocketSuccess && this.transports.indexOf('websocket') !== -1) {
+	    transport = 'websocket';
+	  } else if (0 === this.transports.length) {
+	    // Emit error on next tick so it can be listened to
+	    var self = this;
+	    setTimeout(function () {
+	      self.emit('error', 'No transports available');
+	    }, 0);
+	    return;
+	  } else {
+	    transport = this.transports[0];
+	  }
+	  this.readyState = 'opening';
+
+	  // Retry with the next transport if the transport is disabled (jsonp: false)
+	  try {
+	    transport = this.createTransport(transport);
+	  } catch (e) {
+	    this.transports.shift();
+	    this.open();
+	    return;
+	  }
+
+	  transport.open();
+	  this.setTransport(transport);
+	};
+
+	/**
+	 * Sets the current transport. Disables the existing one (if any).
+	 *
+	 * @api private
+	 */
+
+	Socket.prototype.setTransport = function (transport) {
+	  debug('setting transport %s', transport.name);
+	  var self = this;
+
+	  if (this.transport) {
+	    debug('clearing existing transport %s', this.transport.name);
+	    this.transport.removeAllListeners();
+	  }
+
+	  // set up transport
+	  this.transport = transport;
+
+	  // set up transport listeners
+	  transport.on('drain', function () {
+	    self.onDrain();
+	  }).on('packet', function (packet) {
+	    self.onPacket(packet);
+	  }).on('error', function (e) {
+	    self.onError(e);
+	  }).on('close', function () {
+	    self.onClose('transport close');
+	  });
+	};
+
+	/**
+	 * Probes a transport.
+	 *
+	 * @param {String} transport name
+	 * @api private
+	 */
+
+	Socket.prototype.probe = function (name) {
+	  debug('probing transport "%s"', name);
+	  var transport = this.createTransport(name, { probe: 1 });
+	  var failed = false;
+	  var self = this;
+
+	  Socket.priorWebsocketSuccess = false;
+
+	  function onTransportOpen() {
+	    if (self.onlyBinaryUpgrades) {
+	      var upgradeLosesBinary = !this.supportsBinary && self.transport.supportsBinary;
+	      failed = failed || upgradeLosesBinary;
+	    }
+	    if (failed) return;
+
+	    debug('probe transport "%s" opened', name);
+	    transport.send([{ type: 'ping', data: 'probe' }]);
+	    transport.once('packet', function (msg) {
+	      if (failed) return;
+	      if ('pong' === msg.type && 'probe' === msg.data) {
+	        debug('probe transport "%s" pong', name);
+	        self.upgrading = true;
+	        self.emit('upgrading', transport);
+	        if (!transport) return;
+	        Socket.priorWebsocketSuccess = 'websocket' === transport.name;
+
+	        debug('pausing current transport "%s"', self.transport.name);
+	        self.transport.pause(function () {
+	          if (failed) return;
+	          if ('closed' === self.readyState) return;
+	          debug('changing transport and sending upgrade packet');
+
+	          cleanup();
+
+	          self.setTransport(transport);
+	          transport.send([{ type: 'upgrade' }]);
+	          self.emit('upgrade', transport);
+	          transport = null;
+	          self.upgrading = false;
+	          self.flush();
+	        });
+	      } else {
+	        debug('probe transport "%s" failed', name);
+	        var err = new Error('probe error');
+	        err.transport = transport.name;
+	        self.emit('upgradeError', err);
+	      }
+	    });
+	  }
+
+	  function freezeTransport() {
+	    if (failed) return;
+
+	    // Any callback called by transport should be ignored since now
+	    failed = true;
+
+	    cleanup();
+
+	    transport.close();
+	    transport = null;
+	  }
+
+	  // Handle any error that happens while probing
+	  function onerror(err) {
+	    var error = new Error('probe error: ' + err);
+	    error.transport = transport.name;
+
+	    freezeTransport();
+
+	    debug('probe transport "%s" failed because of error: %s', name, err);
+
+	    self.emit('upgradeError', error);
+	  }
+
+	  function onTransportClose() {
+	    onerror('transport closed');
+	  }
+
+	  // When the socket is closed while we're probing
+	  function onclose() {
+	    onerror('socket closed');
+	  }
+
+	  // When the socket is upgraded while we're probing
+	  function onupgrade(to) {
+	    if (transport && to.name !== transport.name) {
+	      debug('"%s" works - aborting "%s"', to.name, transport.name);
+	      freezeTransport();
+	    }
+	  }
+
+	  // Remove all listeners on the transport and on self
+	  function cleanup() {
+	    transport.removeListener('open', onTransportOpen);
+	    transport.removeListener('error', onerror);
+	    transport.removeListener('close', onTransportClose);
+	    self.removeListener('close', onclose);
+	    self.removeListener('upgrading', onupgrade);
+	  }
+
+	  transport.once('open', onTransportOpen);
+	  transport.once('error', onerror);
+	  transport.once('close', onTransportClose);
+
+	  this.once('close', onclose);
+	  this.once('upgrading', onupgrade);
+
+	  transport.open();
+	};
+
+	/**
+	 * Called when connection is deemed open.
+	 *
+	 * @api public
+	 */
+
+	Socket.prototype.onOpen = function () {
+	  debug('socket open');
+	  this.readyState = 'open';
+	  Socket.priorWebsocketSuccess = 'websocket' === this.transport.name;
+	  this.emit('open');
+	  this.flush();
+
+	  // we check for `readyState` in case an `open`
+	  // listener already closed the socket
+	  if ('open' === this.readyState && this.upgrade && this.transport.pause) {
+	    debug('starting upgrade probes');
+	    for (var i = 0, l = this.upgrades.length; i < l; i++) {
+	      this.probe(this.upgrades[i]);
+	    }
+	  }
+	};
+
+	/**
+	 * Handles a packet.
+	 *
+	 * @api private
+	 */
+
+	Socket.prototype.onPacket = function (packet) {
+	  if ('opening' === this.readyState || 'open' === this.readyState || 'closing' === this.readyState) {
+	    debug('socket receive: type "%s", data "%s"', packet.type, packet.data);
+
+	    this.emit('packet', packet);
+
+	    // Socket is live - any packet counts
+	    this.emit('heartbeat');
+
+	    switch (packet.type) {
+	      case 'open':
+	        this.onHandshake(JSON.parse(packet.data));
+	        break;
+
+	      case 'pong':
+	        this.setPing();
+	        this.emit('pong');
+	        break;
+
+	      case 'error':
+	        var err = new Error('server error');
+	        err.code = packet.data;
+	        this.onError(err);
+	        break;
+
+	      case 'message':
+	        this.emit('data', packet.data);
+	        this.emit('message', packet.data);
+	        break;
+	    }
+	  } else {
+	    debug('packet received with socket readyState "%s"', this.readyState);
+	  }
+	};
+
+	/**
+	 * Called upon handshake completion.
+	 *
+	 * @param {Object} handshake obj
+	 * @api private
+	 */
+
+	Socket.prototype.onHandshake = function (data) {
+	  this.emit('handshake', data);
+	  this.id = data.sid;
+	  this.transport.query.sid = data.sid;
+	  this.upgrades = this.filterUpgrades(data.upgrades);
+	  this.pingInterval = data.pingInterval;
+	  this.pingTimeout = data.pingTimeout;
+	  this.onOpen();
+	  // In case open handler closes socket
+	  if ('closed' === this.readyState) return;
+	  this.setPing();
+
+	  // Prolong liveness of socket on heartbeat
+	  this.removeListener('heartbeat', this.onHeartbeat);
+	  this.on('heartbeat', this.onHeartbeat);
+	};
+
+	/**
+	 * Resets ping timeout.
+	 *
+	 * @api private
+	 */
+
+	Socket.prototype.onHeartbeat = function (timeout) {
+	  clearTimeout(this.pingTimeoutTimer);
+	  var self = this;
+	  self.pingTimeoutTimer = setTimeout(function () {
+	    if ('closed' === self.readyState) return;
+	    self.onClose('ping timeout');
+	  }, timeout || self.pingInterval + self.pingTimeout);
+	};
+
+	/**
+	 * Pings server every `this.pingInterval` and expects response
+	 * within `this.pingTimeout` or closes connection.
+	 *
+	 * @api private
+	 */
+
+	Socket.prototype.setPing = function () {
+	  var self = this;
+	  clearTimeout(self.pingIntervalTimer);
+	  self.pingIntervalTimer = setTimeout(function () {
+	    debug('writing ping packet - expecting pong within %sms', self.pingTimeout);
+	    self.ping();
+	    self.onHeartbeat(self.pingTimeout);
+	  }, self.pingInterval);
+	};
+
+	/**
+	* Sends a ping packet.
+	*
+	* @api private
+	*/
+
+	Socket.prototype.ping = function () {
+	  var self = this;
+	  this.sendPacket('ping', function () {
+	    self.emit('ping');
+	  });
+	};
+
+	/**
+	 * Called on `drain` event
+	 *
+	 * @api private
+	 */
+
+	Socket.prototype.onDrain = function () {
+	  this.writeBuffer.splice(0, this.prevBufferLen);
+
+	  // setting prevBufferLen = 0 is very important
+	  // for example, when upgrading, upgrade packet is sent over,
+	  // and a nonzero prevBufferLen could cause problems on `drain`
+	  this.prevBufferLen = 0;
+
+	  if (0 === this.writeBuffer.length) {
+	    this.emit('drain');
+	  } else {
+	    this.flush();
+	  }
+	};
+
+	/**
+	 * Flush write buffers.
+	 *
+	 * @api private
+	 */
+
+	Socket.prototype.flush = function () {
+	  if ('closed' !== this.readyState && this.transport.writable && !this.upgrading && this.writeBuffer.length) {
+	    debug('flushing %d packets in socket', this.writeBuffer.length);
+	    this.transport.send(this.writeBuffer);
+	    // keep track of current length of writeBuffer
+	    // splice writeBuffer and callbackBuffer on `drain`
+	    this.prevBufferLen = this.writeBuffer.length;
+	    this.emit('flush');
+	  }
+	};
+
+	/**
+	 * Sends a message.
+	 *
+	 * @param {String} message.
+	 * @param {Function} callback function.
+	 * @param {Object} options.
+	 * @return {Socket} for chaining.
+	 * @api public
+	 */
+
+	Socket.prototype.write = Socket.prototype.send = function (msg, options, fn) {
+	  this.sendPacket('message', msg, options, fn);
+	  return this;
+	};
+
+	/**
+	 * Sends a packet.
+	 *
+	 * @param {String} packet type.
+	 * @param {String} data.
+	 * @param {Object} options.
+	 * @param {Function} callback function.
+	 * @api private
+	 */
+
+	Socket.prototype.sendPacket = function (type, data, options, fn) {
+	  if ('function' === typeof data) {
+	    fn = data;
+	    data = undefined;
+	  }
+
+	  if ('function' === typeof options) {
+	    fn = options;
+	    options = null;
+	  }
+
+	  if ('closing' === this.readyState || 'closed' === this.readyState) {
+	    return;
+	  }
+
+	  options = options || {};
+	  options.compress = false !== options.compress;
+
+	  var packet = {
+	    type: type,
+	    data: data,
+	    options: options
+	  };
+	  this.emit('packetCreate', packet);
+	  this.writeBuffer.push(packet);
+	  if (fn) this.once('flush', fn);
+	  this.flush();
+	};
+
+	/**
+	 * Closes the connection.
+	 *
+	 * @api private
+	 */
+
+	Socket.prototype.close = function () {
+	  if ('opening' === this.readyState || 'open' === this.readyState) {
+	    this.readyState = 'closing';
+
+	    var self = this;
+
+	    if (this.writeBuffer.length) {
+	      this.once('drain', function () {
+	        if (this.upgrading) {
+	          waitForUpgrade();
+	        } else {
+	          close();
+	        }
+	      });
+	    } else if (this.upgrading) {
+	      waitForUpgrade();
+	    } else {
+	      close();
+	    }
+	  }
+
+	  function close() {
+	    self.onClose('forced close');
+	    debug('socket closing - telling transport to close');
+	    self.transport.close();
+	  }
+
+	  function cleanupAndClose() {
+	    self.removeListener('upgrade', cleanupAndClose);
+	    self.removeListener('upgradeError', cleanupAndClose);
+	    close();
+	  }
+
+	  function waitForUpgrade() {
+	    // wait for upgrade to finish since we can't send packets while pausing a transport
+	    self.once('upgrade', cleanupAndClose);
+	    self.once('upgradeError', cleanupAndClose);
+	  }
+
+	  return this;
+	};
+
+	/**
+	 * Called upon transport error
+	 *
+	 * @api private
+	 */
+
+	Socket.prototype.onError = function (err) {
+	  debug('socket error %j', err);
+	  Socket.priorWebsocketSuccess = false;
+	  this.emit('error', err);
+	  this.onClose('transport error', err);
+	};
+
+	/**
+	 * Called upon transport close.
+	 *
+	 * @api private
+	 */
+
+	Socket.prototype.onClose = function (reason, desc) {
+	  if ('opening' === this.readyState || 'open' === this.readyState || 'closing' === this.readyState) {
+	    debug('socket close with reason: "%s"', reason);
+	    var self = this;
+
+	    // clear timers
+	    clearTimeout(this.pingIntervalTimer);
+	    clearTimeout(this.pingTimeoutTimer);
+
+	    // stop event from firing again for transport
+	    this.transport.removeAllListeners('close');
+
+	    // ensure transport won't stay open
+	    this.transport.close();
+
+	    // ignore further transport communication
+	    this.transport.removeAllListeners();
+
+	    // set ready state
+	    this.readyState = 'closed';
+
+	    // clear session id
+	    this.id = null;
+
+	    // emit close event
+	    this.emit('close', reason, desc);
+
+	    // clean buffers after, so users can still
+	    // grab the buffers on `close` event
+	    self.writeBuffer = [];
+	    self.prevBufferLen = 0;
+	  }
+	};
+
+	/**
+	 * Filters upgrades, returning only those matching client transports.
+	 *
+	 * @param {Array} server upgrades
+	 * @api private
+	 *
+	 */
+
+	Socket.prototype.filterUpgrades = function (upgrades) {
+	  var filteredUpgrades = [];
+	  for (var i = 0, j = upgrades.length; i < j; i++) {
+	    if (~index(this.transports, upgrades[i])) filteredUpgrades.push(upgrades[i]);
+	  }
+	  return filteredUpgrades;
+	};
+	/* WEBPACK VAR INJECTION */}.call(exports, (function() { return this; }())))
+
+/***/ },
+/* 2 */
+/***/ function(module, exports, __webpack_require__) {
+
+	/* WEBPACK VAR INJECTION */(function(global) {'use strict';
+
+	/**
+	 * Module dependencies
+	 */
+
+	var XMLHttpRequest = __webpack_require__(3);
+	var XHR = __webpack_require__(5);
+	var JSONP = __webpack_require__(26);
+	var websocket = __webpack_require__(27);
+
+	/**
+	 * Export transports.
+	 */
+
+	exports.polling = polling;
+	exports.websocket = websocket;
+
+	/**
+	 * Polling transport polymorphic constructor.
+	 * Decides on xhr vs jsonp based on feature detection.
+	 *
+	 * @api private
+	 */
+
+	function polling(opts) {
+	  var xhr;
+	  var xd = false;
+	  var xs = false;
+	  var jsonp = false !== opts.jsonp;
+
+	  if (global.location) {
+	    var isSSL = 'https:' === location.protocol;
+	    var port = location.port;
+
+	    // some user agents have empty `location.port`
+	    if (!port) {
+	      port = isSSL ? 443 : 80;
+	    }
+
+	    xd = opts.hostname !== location.hostname || port !== opts.port;
+	    xs = opts.secure !== isSSL;
+	  }
+
+	  opts.xdomain = xd;
+	  opts.xscheme = xs;
+	  xhr = new XMLHttpRequest(opts);
+
+	  if ('open' in xhr && !opts.forceJSONP) {
+	    return new XHR(opts);
+	  } else {
+	    if (!jsonp) throw new Error('JSONP disabled');
+	    return new JSONP(opts);
+	  }
+	}
+	/* WEBPACK VAR INJECTION */}.call(exports, (function() { return this; }())))
+
+/***/ },
+/* 3 */
+/***/ function(module, exports, __webpack_require__) {
+
+	/* WEBPACK VAR INJECTION */(function(global) {'use strict';
+
+	// browser shim for xmlhttprequest module
+
+	var hasCORS = __webpack_require__(4);
+
+	module.exports = function (opts) {
+	  var xdomain = opts.xdomain;
+
+	  // scheme must be same when usign XDomainRequest
+	  // http://blogs.msdn.com/b/ieinternals/archive/2010/05/13/xdomainrequest-restrictions-limitations-and-workarounds.aspx
+	  var xscheme = opts.xscheme;
+
+	  // XDomainRequest has a flow of not sending cookie, therefore it should be disabled as a default.
+	  // https://github.com/Automattic/engine.io-client/pull/217
+	  var enablesXDR = opts.enablesXDR;
+
+	  // XMLHttpRequest can be disabled on IE
+	  try {
+	    if ('undefined' !== typeof XMLHttpRequest && (!xdomain || hasCORS)) {
+	      return new XMLHttpRequest();
+	    }
+	  } catch (e) {}
+
+	  // Use XDomainRequest for IE8 if enablesXDR is true
+	  // because loading bar keeps flashing when using jsonp-polling
+	  // https://github.com/yujiosaka/socke.io-ie8-loading-example
+	  try {
+	    if ('undefined' !== typeof XDomainRequest && !xscheme && enablesXDR) {
+	      return new XDomainRequest();
+	    }
+	  } catch (e) {}
+
+	  if (!xdomain) {
+	    try {
+	      return new global[['Active'].concat('Object').join('X')]('Microsoft.XMLHTTP');
+	    } catch (e) {}
+	  }
+	};
+	/* WEBPACK VAR INJECTION */}.call(exports, (function() { return this; }())))
+
+/***/ },
+/* 4 */
+/***/ function(module, exports) {
+
+	
+	/**
+	 * Module exports.
+	 *
+	 * Logic borrowed from Modernizr:
+	 *
+	 *   - https://github.com/Modernizr/Modernizr/blob/master/feature-detects/cors.js
+	 */
+
+	try {
+	  module.exports = typeof XMLHttpRequest !== 'undefined' &&
+	    'withCredentials' in new XMLHttpRequest();
+	} catch (err) {
+	  // if XMLHttp support is disabled in IE then it will throw
+	  // when trying to create
+	  module.exports = false;
+	}
+
+
+/***/ },
+/* 5 */
+/***/ function(module, exports, __webpack_require__) {
+
+	/* WEBPACK VAR INJECTION */(function(global) {'use strict';
+
+	/**
+	 * Module requirements.
+	 */
+
+	var XMLHttpRequest = __webpack_require__(3);
+	var Polling = __webpack_require__(6);
+	var Emitter = __webpack_require__(18);
+	var inherit = __webpack_require__(20);
+	var debug = __webpack_require__(22)('engine.io-client:polling-xhr');
+
+	/**
+	 * Module exports.
+	 */
+
+	module.exports = XHR;
+	module.exports.Request = Request;
+
+	/**
+	 * Empty function
+	 */
+
+	function empty() {}
+
+	/**
+	 * XHR Polling constructor.
+	 *
+	 * @param {Object} opts
+	 * @api public
+	 */
+
+	function XHR(opts) {
+	  Polling.call(this, opts);
+	  this.requestTimeout = opts.requestTimeout;
+	  this.extraHeaders = opts.extraHeaders;
+
+	  if (global.location) {
+	    var isSSL = 'https:' === location.protocol;
+	    var port = location.port;
+
+	    // some user agents have empty `location.port`
+	    if (!port) {
+	      port = isSSL ? 443 : 80;
+	    }
+
+	    this.xd = opts.hostname !== global.location.hostname || port !== opts.port;
+	    this.xs = opts.secure !== isSSL;
+	  }
+	}
+
+	/**
+	 * Inherits from Polling.
+	 */
+
+	inherit(XHR, Polling);
+
+	/**
+	 * XHR supports binary
+	 */
+
+	XHR.prototype.supportsBinary = true;
+
+	/**
+	 * Creates a request.
+	 *
+	 * @param {String} method
+	 * @api private
+	 */
+
+	XHR.prototype.request = function (opts) {
+	  opts = opts || {};
+	  opts.uri = this.uri();
+	  opts.xd = this.xd;
+	  opts.xs = this.xs;
+	  opts.agent = this.agent || false;
+	  opts.supportsBinary = this.supportsBinary;
+	  opts.enablesXDR = this.enablesXDR;
+
+	  // SSL options for Node.js client
+	  opts.pfx = this.pfx;
+	  opts.key = this.key;
+	  opts.passphrase = this.passphrase;
+	  opts.cert = this.cert;
+	  opts.ca = this.ca;
+	  opts.ciphers = this.ciphers;
+	  opts.rejectUnauthorized = this.rejectUnauthorized;
+	  opts.requestTimeout = this.requestTimeout;
+
+	  // other options for Node.js client
+	  opts.extraHeaders = this.extraHeaders;
+
+	  return new Request(opts);
+	};
+
+	/**
+	 * Sends data.
+	 *
+	 * @param {String} data to send.
+	 * @param {Function} called upon flush.
+	 * @api private
+	 */
+
+	XHR.prototype.doWrite = function (data, fn) {
+	  var isBinary = typeof data !== 'string' && data !== undefined;
+	  var req = this.request({ method: 'POST', data: data, isBinary: isBinary });
+	  var self = this;
+	  req.on('success', fn);
+	  req.on('error', function (err) {
+	    self.onError('xhr post error', err);
+	  });
+	  this.sendXhr = req;
+	};
+
+	/**
+	 * Starts a poll cycle.
+	 *
+	 * @api private
+	 */
+
+	XHR.prototype.doPoll = function () {
+	  debug('xhr poll');
+	  var req = this.request();
+	  var self = this;
+	  req.on('data', function (data) {
+	    self.onData(data);
+	  });
+	  req.on('error', function (err) {
+	    self.onError('xhr poll error', err);
+	  });
+	  this.pollXhr = req;
+	};
+
+	/**
+	 * Request constructor
+	 *
+	 * @param {Object} options
+	 * @api public
+	 */
+
+	function Request(opts) {
+	  this.method = opts.method || 'GET';
+	  this.uri = opts.uri;
+	  this.xd = !!opts.xd;
+	  this.xs = !!opts.xs;
+	  this.async = false !== opts.async;
+	  this.data = undefined !== opts.data ? opts.data : null;
+	  this.agent = opts.agent;
+	  this.isBinary = opts.isBinary;
+	  this.supportsBinary = opts.supportsBinary;
+	  this.enablesXDR = opts.enablesXDR;
+	  this.requestTimeout = opts.requestTimeout;
+
+	  // SSL options for Node.js client
+	  this.pfx = opts.pfx;
+	  this.key = opts.key;
+	  this.passphrase = opts.passphrase;
+	  this.cert = opts.cert;
+	  this.ca = opts.ca;
+	  this.ciphers = opts.ciphers;
+	  this.rejectUnauthorized = opts.rejectUnauthorized;
+
+	  // other options for Node.js client
+	  this.extraHeaders = opts.extraHeaders;
+
+	  this.create();
+	}
+
+	/**
+	 * Mix in `Emitter`.
+	 */
+
+	Emitter(Request.prototype);
+
+	/**
+	 * Creates the XHR object and sends the request.
+	 *
+	 * @api private
+	 */
+
+	Request.prototype.create = function () {
+	  var opts = { agent: this.agent, xdomain: this.xd, xscheme: this.xs, enablesXDR: this.enablesXDR };
+
+	  // SSL options for Node.js client
+	  opts.pfx = this.pfx;
+	  opts.key = this.key;
+	  opts.passphrase = this.passphrase;
+	  opts.cert = this.cert;
+	  opts.ca = this.ca;
+	  opts.ciphers = this.ciphers;
+	  opts.rejectUnauthorized = this.rejectUnauthorized;
+
+	  var xhr = this.xhr = new XMLHttpRequest(opts);
+	  var self = this;
+
+	  try {
+	    debug('xhr open %s: %s', this.method, this.uri);
+	    xhr.open(this.method, this.uri, this.async);
+	    try {
+	      if (this.extraHeaders) {
+	        xhr.setDisableHeaderCheck && xhr.setDisableHeaderCheck(true);
+	        for (var i in this.extraHeaders) {
+	          if (this.extraHeaders.hasOwnProperty(i)) {
+	            xhr.setRequestHeader(i, this.extraHeaders[i]);
+	          }
+	        }
+	      }
+	    } catch (e) {}
+
+	    if ('POST' === this.method) {
+	      try {
+	        if (this.isBinary) {
+	          xhr.setRequestHeader('Content-type', 'application/octet-stream');
+	        } else {
+	          xhr.setRequestHeader('Content-type', 'text/plain;charset=UTF-8');
+	        }
+	      } catch (e) {}
+	    }
+
+	    try {
+	      xhr.setRequestHeader('Accept', '*/*');
+	    } catch (e) {}
+
+	    // ie6 check
+	    if ('withCredentials' in xhr) {
+	      xhr.withCredentials = true;
+	    }
+
+	    if (this.requestTimeout) {
+	      xhr.timeout = this.requestTimeout;
+	    }
+
+	    if (this.hasXDR()) {
+	      xhr.onload = function () {
+	        self.onLoad();
+	      };
+	      xhr.onerror = function () {
+	        self.onError(xhr.responseText);
+	      };
+	    } else {
+	      xhr.onreadystatechange = function () {
+	        if (xhr.readyState === 2) {
+	          var contentType;
+	          try {
+	            contentType = xhr.getResponseHeader('Content-Type');
+	          } catch (e) {}
+	          if (contentType === 'application/octet-stream') {
+	            xhr.responseType = 'arraybuffer';
+	          }
+	        }
+	        if (4 !== xhr.readyState) return;
+	        if (200 === xhr.status || 1223 === xhr.status) {
+	          self.onLoad();
+	        } else {
+	          // make sure the `error` event handler that's user-set
+	          // does not throw in the same tick and gets caught here
+	          setTimeout(function () {
+	            self.onError(xhr.status);
+	          }, 0);
+	        }
+	      };
+	    }
+
+	    debug('xhr data %s', this.data);
+	    xhr.send(this.data);
+	  } catch (e) {
+	    // Need to defer since .create() is called directly fhrom the constructor
+	    // and thus the 'error' event can only be only bound *after* this exception
+	    // occurs.  Therefore, also, we cannot throw here at all.
+	    setTimeout(function () {
+	      self.onError(e);
+	    }, 0);
+	    return;
+	  }
+
+	  if (global.document) {
+	    this.index = Request.requestsCount++;
+	    Request.requests[this.index] = this;
+	  }
+	};
+
+	/**
+	 * Called upon successful response.
+	 *
+	 * @api private
+	 */
+
+	Request.prototype.onSuccess = function () {
+	  this.emit('success');
+	  this.cleanup();
+	};
+
+	/**
+	 * Called if we have data.
+	 *
+	 * @api private
+	 */
+
+	Request.prototype.onData = function (data) {
+	  this.emit('data', data);
+	  this.onSuccess();
+	};
+
+	/**
+	 * Called upon error.
+	 *
+	 * @api private
+	 */
+
+	Request.prototype.onError = function (err) {
+	  this.emit('error', err);
+	  this.cleanup(true);
+	};
+
+	/**
+	 * Cleans up house.
+	 *
+	 * @api private
+	 */
+
+	Request.prototype.cleanup = function (fromError) {
+	  if ('undefined' === typeof this.xhr || null === this.xhr) {
+	    return;
+	  }
+	  // xmlhttprequest
+	  if (this.hasXDR()) {
+	    this.xhr.onload = this.xhr.onerror = empty;
+	  } else {
+	    this.xhr.onreadystatechange = empty;
+	  }
+
+	  if (fromError) {
+	    try {
+	      this.xhr.abort();
+	    } catch (e) {}
+	  }
+
+	  if (global.document) {
+	    delete Request.requests[this.index];
+	  }
+
+	  this.xhr = null;
+	};
+
+	/**
+	 * Called upon load.
+	 *
+	 * @api private
+	 */
+
+	Request.prototype.onLoad = function () {
+	  var data;
+	  try {
+	    var contentType;
+	    try {
+	      contentType = this.xhr.getResponseHeader('Content-Type');
+	    } catch (e) {}
+	    if (contentType === 'application/octet-stream') {
+	      data = this.xhr.response || this.xhr.responseText;
+	    } else {
+	      data = this.xhr.responseText;
+	    }
+	  } catch (e) {
+	    this.onError(e);
+	  }
+	  if (null != data) {
+	    this.onData(data);
+	  }
+	};
+
+	/**
+	 * Check if it has XDomainRequest.
+	 *
+	 * @api private
+	 */
+
+	Request.prototype.hasXDR = function () {
+	  return 'undefined' !== typeof global.XDomainRequest && !this.xs && this.enablesXDR;
+	};
+
+	/**
+	 * Aborts the request.
+	 *
+	 * @api public
+	 */
+
+	Request.prototype.abort = function () {
+	  this.cleanup();
+	};
+
+	/**
+	 * Aborts pending requests when unloading the window. This is needed to prevent
+	 * memory leaks (e.g. when using IE) and to ensure that no spurious error is
+	 * emitted.
+	 */
+
+	Request.requestsCount = 0;
+	Request.requests = {};
+
+	if (global.document) {
+	  if (global.attachEvent) {
+	    global.attachEvent('onunload', unloadHandler);
+	  } else if (global.addEventListener) {
+	    global.addEventListener('beforeunload', unloadHandler, false);
+	  }
+	}
+
+	function unloadHandler() {
+	  for (var i in Request.requests) {
+	    if (Request.requests.hasOwnProperty(i)) {
+	      Request.requests[i].abort();
+	    }
+	  }
+	}
+	/* WEBPACK VAR INJECTION */}.call(exports, (function() { return this; }())))
+
+/***/ },
+/* 6 */
+/***/ function(module, exports, __webpack_require__) {
+
+	'use strict';
+
+	/**
+	 * Module dependencies.
+	 */
+
+	var Transport = __webpack_require__(7);
+	var parseqs = __webpack_require__(19);
+	var parser = __webpack_require__(8);
+	var inherit = __webpack_require__(20);
+	var yeast = __webpack_require__(21);
+	var debug = __webpack_require__(22)('engine.io-client:polling');
+
+	/**
+	 * Module exports.
+	 */
+
+	module.exports = Polling;
+
+	/**
+	 * Is XHR2 supported?
+	 */
+
+	var hasXHR2 = function () {
+	  var XMLHttpRequest = __webpack_require__(3);
+	  var xhr = new XMLHttpRequest({ xdomain: false });
+	  return null != xhr.responseType;
+	}();
+
+	/**
+	 * Polling interface.
+	 *
+	 * @param {Object} opts
+	 * @api private
+	 */
+
+	function Polling(opts) {
+	  var forceBase64 = opts && opts.forceBase64;
+	  if (!hasXHR2 || forceBase64) {
+	    this.supportsBinary = false;
+	  }
+	  Transport.call(this, opts);
+	}
+
+	/**
+	 * Inherits from Transport.
+	 */
+
+	inherit(Polling, Transport);
+
+	/**
+	 * Transport name.
+	 */
+
+	Polling.prototype.name = 'polling';
+
+	/**
+	 * Opens the socket (triggers polling). We write a PING message to determine
+	 * when the transport is open.
+	 *
+	 * @api private
+	 */
+
+	Polling.prototype.doOpen = function () {
+	  this.poll();
+	};
+
+	/**
+	 * Pauses polling.
+	 *
+	 * @param {Function} callback upon buffers are flushed and transport is paused
+	 * @api private
+	 */
+
+	Polling.prototype.pause = function (onPause) {
+	  var self = this;
+
+	  this.readyState = 'pausing';
+
+	  function pause() {
+	    debug('paused');
+	    self.readyState = 'paused';
+	    onPause();
+	  }
+
+	  if (this.polling || !this.writable) {
+	    var total = 0;
+
+	    if (this.polling) {
+	      debug('we are currently polling - waiting to pause');
+	      total++;
+	      this.once('pollComplete', function () {
+	        debug('pre-pause polling complete');
+	        --total || pause();
+	      });
+	    }
+
+	    if (!this.writable) {
+	      debug('we are currently writing - waiting to pause');
+	      total++;
+	      this.once('drain', function () {
+	        debug('pre-pause writing complete');
+	        --total || pause();
+	      });
+	    }
+	  } else {
+	    pause();
+	  }
+	};
+
+	/**
+	 * Starts polling cycle.
+	 *
+	 * @api public
+	 */
+
+	Polling.prototype.poll = function () {
+	  debug('polling');
+	  this.polling = true;
+	  this.doPoll();
+	  this.emit('poll');
+	};
+
+	/**
+	 * Overloads onData to detect payloads.
+	 *
+	 * @api private
+	 */
+
+	Polling.prototype.onData = function (data) {
+	  var self = this;
+	  debug('polling got data %s', data);
+	  var callback = function callback(packet, index, total) {
+	    // if its the first message we consider the transport open
+	    if ('opening' === self.readyState) {
+	      self.onOpen();
+	    }
+
+	    // if its a close packet, we close the ongoing requests
+	    if ('close' === packet.type) {
+	      self.onClose();
+	      return false;
+	    }
+
+	    // otherwise bypass onData and handle the message
+	    self.onPacket(packet);
+	  };
+
+	  // decode payload
+	  parser.decodePayload(data, this.socket.binaryType, callback);
+
+	  // if an event did not trigger closing
+	  if ('closed' !== this.readyState) {
+	    // if we got data we're not polling
+	    this.polling = false;
+	    this.emit('pollComplete');
+
+	    if ('open' === this.readyState) {
+	      this.poll();
+	    } else {
+	      debug('ignoring poll - transport state "%s"', this.readyState);
+	    }
+	  }
+	};
+
+	/**
+	 * For polling, send a close packet.
+	 *
+	 * @api private
+	 */
+
+	Polling.prototype.doClose = function () {
+	  var self = this;
+
+	  function close() {
+	    debug('writing close packet');
+	    self.write([{ type: 'close' }]);
+	  }
+
+	  if ('open' === this.readyState) {
+	    debug('transport open - closing');
+	    close();
+	  } else {
+	    // in case we're trying to close while
+	    // handshaking is in progress (GH-164)
+	    debug('transport not open - deferring close');
+	    this.once('open', close);
+	  }
+	};
+
+	/**
+	 * Writes a packets payload.
+	 *
+	 * @param {Array} data packets
+	 * @param {Function} drain callback
+	 * @api private
+	 */
+
+	Polling.prototype.write = function (packets) {
+	  var self = this;
+	  this.writable = false;
+	  var callbackfn = function callbackfn() {
+	    self.writable = true;
+	    self.emit('drain');
+	  };
+
+	  parser.encodePayload(packets, this.supportsBinary, function (data) {
+	    self.doWrite(data, callbackfn);
+	  });
+	};
+
+	/**
+	 * Generates uri for connection.
+	 *
+	 * @api private
+	 */
+
+	Polling.prototype.uri = function () {
+	  var query = this.query || {};
+	  var schema = this.secure ? 'https' : 'http';
+	  var port = '';
+
+	  // cache busting is forced
+	  if (false !== this.timestampRequests) {
+	    query[this.timestampParam] = yeast();
+	  }
+
+	  if (!this.supportsBinary && !query.sid) {
+	    query.b64 = 1;
+	  }
+
+	  query = parseqs.encode(query);
+
+	  // avoid port if default for schema
+	  if (this.port && ('https' === schema && Number(this.port) !== 443 || 'http' === schema && Number(this.port) !== 80)) {
+	    port = ':' + this.port;
+	  }
+
+	  // prepend ? to query
+	  if (query.length) {
+	    query = '?' + query;
+	  }
+
+	  var ipv6 = this.hostname.indexOf(':') !== -1;
+	  return schema + '://' + (ipv6 ? '[' + this.hostname + ']' : this.hostname) + port + this.path + query;
+	};
+
+/***/ },
+/* 7 */
+/***/ function(module, exports, __webpack_require__) {
+
+	'use strict';
+
+	/**
+	 * Module dependencies.
+	 */
+
+	var parser = __webpack_require__(8);
+	var Emitter = __webpack_require__(18);
+
+	/**
+	 * Module exports.
+	 */
+
+	module.exports = Transport;
+
+	/**
+	 * Transport abstract constructor.
+	 *
+	 * @param {Object} options.
+	 * @api private
+	 */
+
+	function Transport(opts) {
+	  this.path = opts.path;
+	  this.hostname = opts.hostname;
+	  this.port = opts.port;
+	  this.secure = opts.secure;
+	  this.query = opts.query;
+	  this.timestampParam = opts.timestampParam;
+	  this.timestampRequests = opts.timestampRequests;
+	  this.readyState = '';
+	  this.agent = opts.agent || false;
+	  this.socket = opts.socket;
+	  this.enablesXDR = opts.enablesXDR;
+
+	  // SSL options for Node.js client
+	  this.pfx = opts.pfx;
+	  this.key = opts.key;
+	  this.passphrase = opts.passphrase;
+	  this.cert = opts.cert;
+	  this.ca = opts.ca;
+	  this.ciphers = opts.ciphers;
+	  this.rejectUnauthorized = opts.rejectUnauthorized;
+	  this.forceNode = opts.forceNode;
+
+	  // other options for Node.js client
+	  this.extraHeaders = opts.extraHeaders;
+	  this.localAddress = opts.localAddress;
+	}
+
+	/**
+	 * Mix in `Emitter`.
+	 */
+
+	Emitter(Transport.prototype);
+
+	/**
+	 * Emits an error.
+	 *
+	 * @param {String} str
+	 * @return {Transport} for chaining
+	 * @api public
+	 */
+
+	Transport.prototype.onError = function (msg, desc) {
+	  var err = new Error(msg);
+	  err.type = 'TransportError';
+	  err.description = desc;
+	  this.emit('error', err);
+	  return this;
+	};
+
+	/**
+	 * Opens the transport.
+	 *
+	 * @api public
+	 */
+
+	Transport.prototype.open = function () {
+	  if ('closed' === this.readyState || '' === this.readyState) {
+	    this.readyState = 'opening';
+	    this.doOpen();
+	  }
+
+	  return this;
+	};
+
+	/**
+	 * Closes the transport.
+	 *
+	 * @api private
+	 */
+
+	Transport.prototype.close = function () {
+	  if ('opening' === this.readyState || 'open' === this.readyState) {
+	    this.doClose();
+	    this.onClose();
+	  }
+
+	  return this;
+	};
+
+	/**
+	 * Sends multiple packets.
+	 *
+	 * @param {Array} packets
+	 * @api private
+	 */
+
+	Transport.prototype.send = function (packets) {
+	  if ('open' === this.readyState) {
+	    this.write(packets);
+	  } else {
+	    throw new Error('Transport not open');
+	  }
+	};
+
+	/**
+	 * Called upon open
+	 *
+	 * @api private
+	 */
+
+	Transport.prototype.onOpen = function () {
+	  this.readyState = 'open';
+	  this.writable = true;
+	  this.emit('open');
+	};
+
+	/**
+	 * Called with data.
+	 *
+	 * @param {String} data
+	 * @api private
+	 */
+
+	Transport.prototype.onData = function (data) {
+	  var packet = parser.decodePacket(data, this.socket.binaryType);
+	  this.onPacket(packet);
+	};
+
+	/**
+	 * Called with a decoded packet.
+	 */
+
+	Transport.prototype.onPacket = function (packet) {
+	  this.emit('packet', packet);
+	};
+
+	/**
+	 * Called upon close.
+	 *
+	 * @api private
+	 */
+
+	Transport.prototype.onClose = function () {
+	  this.readyState = 'closed';
+	  this.emit('close');
+	};
+
+/***/ },
+/* 8 */
+/***/ function(module, exports, __webpack_require__) {
+
+	/* WEBPACK VAR INJECTION */(function(global) {/**
+	 * Module dependencies.
+	 */
+
+	var keys = __webpack_require__(9);
+	var hasBinary = __webpack_require__(10);
+	var sliceBuffer = __webpack_require__(12);
+	var after = __webpack_require__(13);
+	var utf8 = __webpack_require__(14);
+
+	var base64encoder;
+	if (global && global.ArrayBuffer) {
+	  base64encoder = __webpack_require__(16);
+	}
+
+	/**
+	 * Check if we are running an android browser. That requires us to use
+	 * ArrayBuffer with polling transports...
+	 *
+	 * http://ghinda.net/jpeg-blob-ajax-android/
+	 */
+
+	var isAndroid = typeof navigator !== 'undefined' && /Android/i.test(navigator.userAgent);
+
+	/**
+	 * Check if we are running in PhantomJS.
+	 * Uploading a Blob with PhantomJS does not work correctly, as reported here:
+	 * https://github.com/ariya/phantomjs/issues/11395
+	 * @type boolean
+	 */
+	var isPhantomJS = typeof navigator !== 'undefined' && /PhantomJS/i.test(navigator.userAgent);
+
+	/**
+	 * When true, avoids using Blobs to encode payloads.
+	 * @type boolean
+	 */
+	var dontSendBlobs = isAndroid || isPhantomJS;
+
+	/**
+	 * Current protocol version.
+	 */
+
+	exports.protocol = 3;
+
+	/**
+	 * Packet types.
+	 */
+
+	var packets = exports.packets = {
+	    open:     0    // non-ws
+	  , close:    1    // non-ws
+	  , ping:     2
+	  , pong:     3
+	  , message:  4
+	  , upgrade:  5
+	  , noop:     6
+	};
+
+	var packetslist = keys(packets);
+
+	/**
+	 * Premade error packet.
+	 */
+
+	var err = { type: 'error', data: 'parser error' };
+
+	/**
+	 * Create a blob api even for blob builder when vendor prefixes exist
+	 */
+
+	var Blob = __webpack_require__(17);
+
+	/**
+	 * Encodes a packet.
+	 *
+	 *     <packet type id> [ <data> ]
+	 *
+	 * Example:
+	 *
+	 *     5hello world
+	 *     3
+	 *     4
+	 *
+	 * Binary is encoded in an identical principle
+	 *
+	 * @api private
+	 */
+
+	exports.encodePacket = function (packet, supportsBinary, utf8encode, callback) {
+	  if (typeof supportsBinary === 'function') {
+	    callback = supportsBinary;
+	    supportsBinary = false;
+	  }
+
+	  if (typeof utf8encode === 'function') {
+	    callback = utf8encode;
+	    utf8encode = null;
+	  }
+
+	  var data = (packet.data === undefined)
+	    ? undefined
+	    : packet.data.buffer || packet.data;
+
+	  if (global.ArrayBuffer && data instanceof ArrayBuffer) {
+	    return encodeArrayBuffer(packet, supportsBinary, callback);
+	  } else if (Blob && data instanceof global.Blob) {
+	    return encodeBlob(packet, supportsBinary, callback);
+	  }
+
+	  // might be an object with { base64: true, data: dataAsBase64String }
+	  if (data && data.base64) {
+	    return encodeBase64Object(packet, callback);
+	  }
+
+	  // Sending data as a utf-8 string
+	  var encoded = packets[packet.type];
+
+	  // data fragment is optional
+	  if (undefined !== packet.data) {
+	    encoded += utf8encode ? utf8.encode(String(packet.data), { strict: false }) : String(packet.data);
+	  }
+
+	  return callback('' + encoded);
+
+	};
+
+	function encodeBase64Object(packet, callback) {
+	  // packet data is an object { base64: true, data: dataAsBase64String }
+	  var message = 'b' + exports.packets[packet.type] + packet.data.data;
+	  return callback(message);
+	}
+
+	/**
+	 * Encode packet helpers for binary types
+	 */
+
+	function encodeArrayBuffer(packet, supportsBinary, callback) {
+	  if (!supportsBinary) {
+	    return exports.encodeBase64Packet(packet, callback);
+	  }
+
+	  var data = packet.data;
+	  var contentArray = new Uint8Array(data);
+	  var resultBuffer = new Uint8Array(1 + data.byteLength);
+
+	  resultBuffer[0] = packets[packet.type];
+	  for (var i = 0; i < contentArray.length; i++) {
+	    resultBuffer[i+1] = contentArray[i];
+	  }
+
+	  return callback(resultBuffer.buffer);
+	}
+
+	function encodeBlobAsArrayBuffer(packet, supportsBinary, callback) {
+	  if (!supportsBinary) {
+	    return exports.encodeBase64Packet(packet, callback);
+	  }
+
+	  var fr = new FileReader();
+	  fr.onload = function() {
+	    packet.data = fr.result;
+	    exports.encodePacket(packet, supportsBinary, true, callback);
+	  };
+	  return fr.readAsArrayBuffer(packet.data);
+	}
+
+	function encodeBlob(packet, supportsBinary, callback) {
+	  if (!supportsBinary) {
+	    return exports.encodeBase64Packet(packet, callback);
+	  }
+
+	  if (dontSendBlobs) {
+	    return encodeBlobAsArrayBuffer(packet, supportsBinary, callback);
+	  }
+
+	  var length = new Uint8Array(1);
+	  length[0] = packets[packet.type];
+	  var blob = new Blob([length.buffer, packet.data]);
+
+	  return callback(blob);
+	}
+
+	/**
+	 * Encodes a packet with binary data in a base64 string
+	 *
+	 * @param {Object} packet, has `type` and `data`
+	 * @return {String} base64 encoded message
+	 */
+
+	exports.encodeBase64Packet = function(packet, callback) {
+	  var message = 'b' + exports.packets[packet.type];
+	  if (Blob && packet.data instanceof global.Blob) {
+	    var fr = new FileReader();
+	    fr.onload = function() {
+	      var b64 = fr.result.split(',')[1];
+	      callback(message + b64);
+	    };
+	    return fr.readAsDataURL(packet.data);
+	  }
+
+	  var b64data;
+	  try {
+	    b64data = String.fromCharCode.apply(null, new Uint8Array(packet.data));
+	  } catch (e) {
+	    // iPhone Safari doesn't let you apply with typed arrays
+	    var typed = new Uint8Array(packet.data);
+	    var basic = new Array(typed.length);
+	    for (var i = 0; i < typed.length; i++) {
+	      basic[i] = typed[i];
+	    }
+	    b64data = String.fromCharCode.apply(null, basic);
+	  }
+	  message += global.btoa(b64data);
+	  return callback(message);
+	};
+
+	/**
+	 * Decodes a packet. Changes format to Blob if requested.
+	 *
+	 * @return {Object} with `type` and `data` (if any)
+	 * @api private
+	 */
+
+	exports.decodePacket = function (data, binaryType, utf8decode) {
+	  if (data === undefined) {
+	    return err;
+	  }
+	  // String data
+	  if (typeof data === 'string') {
+	    if (data.charAt(0) === 'b') {
+	      return exports.decodeBase64Packet(data.substr(1), binaryType);
+	    }
+
+	    if (utf8decode) {
+	      data = tryDecode(data);
+	      if (data === false) {
+	        return err;
+	      }
+	    }
+	    var type = data.charAt(0);
+
+	    if (Number(type) != type || !packetslist[type]) {
+	      return err;
+	    }
+
+	    if (data.length > 1) {
+	      return { type: packetslist[type], data: data.substring(1) };
+	    } else {
+	      return { type: packetslist[type] };
+	    }
+	  }
+
+	  var asArray = new Uint8Array(data);
+	  var type = asArray[0];
+	  var rest = sliceBuffer(data, 1);
+	  if (Blob && binaryType === 'blob') {
+	    rest = new Blob([rest]);
+	  }
+	  return { type: packetslist[type], data: rest };
+	};
+
+	function tryDecode(data) {
+	  try {
+	    data = utf8.decode(data, { strict: false });
+	  } catch (e) {
+	    return false;
+	  }
+	  return data;
+	}
+
+	/**
+	 * Decodes a packet encoded in a base64 string
+	 *
+	 * @param {String} base64 encoded message
+	 * @return {Object} with `type` and `data` (if any)
+	 */
+
+	exports.decodeBase64Packet = function(msg, binaryType) {
+	  var type = packetslist[msg.charAt(0)];
+	  if (!base64encoder) {
+	    return { type: type, data: { base64: true, data: msg.substr(1) } };
+	  }
+
+	  var data = base64encoder.decode(msg.substr(1));
+
+	  if (binaryType === 'blob' && Blob) {
+	    data = new Blob([data]);
+	  }
+
+	  return { type: type, data: data };
+	};
+
+	/**
+	 * Encodes multiple messages (payload).
+	 *
+	 *     <length>:data
+	 *
+	 * Example:
+	 *
+	 *     11:hello world2:hi
+	 *
+	 * If any contents are binary, they will be encoded as base64 strings. Base64
+	 * encoded strings are marked with a b before the length specifier
+	 *
+	 * @param {Array} packets
+	 * @api private
+	 */
+
+	exports.encodePayload = function (packets, supportsBinary, callback) {
+	  if (typeof supportsBinary === 'function') {
+	    callback = supportsBinary;
+	    supportsBinary = null;
+	  }
+
+	  var isBinary = hasBinary(packets);
+
+	  if (supportsBinary && isBinary) {
+	    if (Blob && !dontSendBlobs) {
+	      return exports.encodePayloadAsBlob(packets, callback);
+	    }
+
+	    return exports.encodePayloadAsArrayBuffer(packets, callback);
+	  }
+
+	  if (!packets.length) {
+	    return callback('0:');
+	  }
+
+	  function setLengthHeader(message) {
+	    return message.length + ':' + message;
+	  }
+
+	  function encodeOne(packet, doneCallback) {
+	    exports.encodePacket(packet, !isBinary ? false : supportsBinary, false, function(message) {
+	      doneCallback(null, setLengthHeader(message));
+	    });
+	  }
+
+	  map(packets, encodeOne, function(err, results) {
+	    return callback(results.join(''));
+	  });
+	};
+
+	/**
+	 * Async array map using after
+	 */
+
+	function map(ary, each, done) {
+	  var result = new Array(ary.length);
+	  var next = after(ary.length, done);
+
+	  var eachWithIndex = function(i, el, cb) {
+	    each(el, function(error, msg) {
+	      result[i] = msg;
+	      cb(error, result);
+	    });
+	  };
+
+	  for (var i = 0; i < ary.length; i++) {
+	    eachWithIndex(i, ary[i], next);
+	  }
+	}
+
+	/*
+	 * Decodes data when a payload is maybe expected. Possible binary contents are
+	 * decoded from their base64 representation
+	 *
+	 * @param {String} data, callback method
+	 * @api public
+	 */
+
+	exports.decodePayload = function (data, binaryType, callback) {
+	  if (typeof data !== 'string') {
+	    return exports.decodePayloadAsBinary(data, binaryType, callback);
+	  }
+
+	  if (typeof binaryType === 'function') {
+	    callback = binaryType;
+	    binaryType = null;
+	  }
+
+	  var packet;
+	  if (data === '') {
+	    // parser error - ignoring payload
+	    return callback(err, 0, 1);
+	  }
+
+	  var length = '', n, msg;
+
+	  for (var i = 0, l = data.length; i < l; i++) {
+	    var chr = data.charAt(i);
+
+	    if (chr !== ':') {
+	      length += chr;
+	      continue;
+	    }
+
+	    if (length === '' || (length != (n = Number(length)))) {
+	      // parser error - ignoring payload
+	      return callback(err, 0, 1);
+	    }
+
+	    msg = data.substr(i + 1, n);
+
+	    if (length != msg.length) {
+	      // parser error - ignoring payload
+	      return callback(err, 0, 1);
+	    }
+
+	    if (msg.length) {
+	      packet = exports.decodePacket(msg, binaryType, false);
+
+	      if (err.type === packet.type && err.data === packet.data) {
+	        // parser error in individual packet - ignoring payload
+	        return callback(err, 0, 1);
+	      }
+
+	      var ret = callback(packet, i + n, l);
+	      if (false === ret) return;
+	    }
+
+	    // advance cursor
+	    i += n;
+	    length = '';
+	  }
+
+	  if (length !== '') {
+	    // parser error - ignoring payload
+	    return callback(err, 0, 1);
+	  }
+
+	};
+
+	/**
+	 * Encodes multiple messages (payload) as binary.
+	 *
+	 * <1 = binary, 0 = string><number from 0-9><number from 0-9>[...]<number
+	 * 255><data>
+	 *
+	 * Example:
+	 * 1 3 255 1 2 3, if the binary contents are interpreted as 8 bit integers
+	 *
+	 * @param {Array} packets
+	 * @return {ArrayBuffer} encoded payload
+	 * @api private
+	 */
+
+	exports.encodePayloadAsArrayBuffer = function(packets, callback) {
+	  if (!packets.length) {
+	    return callback(new ArrayBuffer(0));
+	  }
+
+	  function encodeOne(packet, doneCallback) {
+	    exports.encodePacket(packet, true, true, function(data) {
+	      return doneCallback(null, data);
+	    });
+	  }
+
+	  map(packets, encodeOne, function(err, encodedPackets) {
+	    var totalLength = encodedPackets.reduce(function(acc, p) {
+	      var len;
+	      if (typeof p === 'string'){
+	        len = p.length;
+	      } else {
+	        len = p.byteLength;
+	      }
+	      return acc + len.toString().length + len + 2; // string/binary identifier + separator = 2
+	    }, 0);
+
+	    var resultArray = new Uint8Array(totalLength);
+
+	    var bufferIndex = 0;
+	    encodedPackets.forEach(function(p) {
+	      var isString = typeof p === 'string';
+	      var ab = p;
+	      if (isString) {
+	        var view = new Uint8Array(p.length);
+	        for (var i = 0; i < p.length; i++) {
+	          view[i] = p.charCodeAt(i);
+	        }
+	        ab = view.buffer;
+	      }
+
+	      if (isString) { // not true binary
+	        resultArray[bufferIndex++] = 0;
+	      } else { // true binary
+	        resultArray[bufferIndex++] = 1;
+	      }
+
+	      var lenStr = ab.byteLength.toString();
+	      for (var i = 0; i < lenStr.length; i++) {
+	        resultArray[bufferIndex++] = parseInt(lenStr[i]);
+	      }
+	      resultArray[bufferIndex++] = 255;
+
+	      var view = new Uint8Array(ab);
+	      for (var i = 0; i < view.length; i++) {
+	        resultArray[bufferIndex++] = view[i];
+	      }
+	    });
+
+	    return callback(resultArray.buffer);
+	  });
+	};
+
+	/**
+	 * Encode as Blob
+	 */
+
+	exports.encodePayloadAsBlob = function(packets, callback) {
+	  function encodeOne(packet, doneCallback) {
+	    exports.encodePacket(packet, true, true, function(encoded) {
+	      var binaryIdentifier = new Uint8Array(1);
+	      binaryIdentifier[0] = 1;
+	      if (typeof encoded === 'string') {
+	        var view = new Uint8Array(encoded.length);
+	        for (var i = 0; i < encoded.length; i++) {
+	          view[i] = encoded.charCodeAt(i);
+	        }
+	        encoded = view.buffer;
+	        binaryIdentifier[0] = 0;
+	      }
+
+	      var len = (encoded instanceof ArrayBuffer)
+	        ? encoded.byteLength
+	        : encoded.size;
+
+	      var lenStr = len.toString();
+	      var lengthAry = new Uint8Array(lenStr.length + 1);
+	      for (var i = 0; i < lenStr.length; i++) {
+	        lengthAry[i] = parseInt(lenStr[i]);
+	      }
+	      lengthAry[lenStr.length] = 255;
+
+	      if (Blob) {
+	        var blob = new Blob([binaryIdentifier.buffer, lengthAry.buffer, encoded]);
+	        doneCallback(null, blob);
+	      }
+	    });
+	  }
+
+	  map(packets, encodeOne, function(err, results) {
+	    return callback(new Blob(results));
+	  });
+	};
+
+	/*
+	 * Decodes data when a payload is maybe expected. Strings are decoded by
+	 * interpreting each byte as a key code for entries marked to start with 0. See
+	 * description of encodePayloadAsBinary
+	 *
+	 * @param {ArrayBuffer} data, callback method
+	 * @api public
+	 */
+
+	exports.decodePayloadAsBinary = function (data, binaryType, callback) {
+	  if (typeof binaryType === 'function') {
+	    callback = binaryType;
+	    binaryType = null;
+	  }
+
+	  var bufferTail = data;
+	  var buffers = [];
+
+	  while (bufferTail.byteLength > 0) {
+	    var tailArray = new Uint8Array(bufferTail);
+	    var isString = tailArray[0] === 0;
+	    var msgLength = '';
+
+	    for (var i = 1; ; i++) {
+	      if (tailArray[i] === 255) break;
+
+	      // 310 = char length of Number.MAX_VALUE
+	      if (msgLength.length > 310) {
+	        return callback(err, 0, 1);
+	      }
+
+	      msgLength += tailArray[i];
+	    }
+
+	    bufferTail = sliceBuffer(bufferTail, 2 + msgLength.length);
+	    msgLength = parseInt(msgLength);
+
+	    var msg = sliceBuffer(bufferTail, 0, msgLength);
+	    if (isString) {
+	      try {
+	        msg = String.fromCharCode.apply(null, new Uint8Array(msg));
+	      } catch (e) {
+	        // iPhone Safari doesn't let you apply to typed arrays
+	        var typed = new Uint8Array(msg);
+	        msg = '';
+	        for (var i = 0; i < typed.length; i++) {
+	          msg += String.fromCharCode(typed[i]);
+	        }
+	      }
+	    }
+
+	    buffers.push(msg);
+	    bufferTail = sliceBuffer(bufferTail, msgLength);
+	  }
+
+	  var total = buffers.length;
+	  buffers.forEach(function(buffer, i) {
+	    callback(exports.decodePacket(buffer, binaryType, true), i, total);
+	  });
+	};
+
+	/* WEBPACK VAR INJECTION */}.call(exports, (function() { return this; }())))
+
+/***/ },
+/* 9 */
+/***/ function(module, exports) {
+
+	
+	/**
+	 * Gets the keys for an object.
+	 *
+	 * @return {Array} keys
+	 * @api private
+	 */
+
+	module.exports = Object.keys || function keys (obj){
+	  var arr = [];
+	  var has = Object.prototype.hasOwnProperty;
+
+	  for (var i in obj) {
+	    if (has.call(obj, i)) {
+	      arr.push(i);
+	    }
+	  }
+	  return arr;
+	};
+
+
+/***/ },
+/* 10 */
+/***/ function(module, exports, __webpack_require__) {
+
+	/* WEBPACK VAR INJECTION */(function(global) {/* global Blob File */
+
+	/*
+	 * Module requirements.
+	 */
+
+	var isArray = __webpack_require__(11);
+
+	var toString = Object.prototype.toString;
+	var withNativeBlob = typeof global.Blob === 'function' || toString.call(global.Blob) === '[object BlobConstructor]';
+	var withNativeFile = typeof global.File === 'function' || toString.call(global.File) === '[object FileConstructor]';
+
+	/**
+	 * Module exports.
+	 */
+
+	module.exports = hasBinary;
+
+	/**
+	 * Checks for binary data.
+	 *
+	 * Supports Buffer, ArrayBuffer, Blob and File.
+	 *
+	 * @param {Object} anything
+	 * @api public
+	 */
+
+	function hasBinary (obj) {
+	  if (!obj || typeof obj !== 'object') {
+	    return false;
+	  }
+
+	  if (isArray(obj)) {
+	    for (var i = 0, l = obj.length; i < l; i++) {
+	      if (hasBinary(obj[i])) {
+	        return true;
+	      }
+	    }
+	    return false;
+	  }
+
+	  if ((typeof global.Buffer === 'function' && global.Buffer.isBuffer && global.Buffer.isBuffer(obj)) ||
+	     (typeof global.ArrayBuffer === 'function' && obj instanceof ArrayBuffer) ||
+	     (withNativeBlob && obj instanceof Blob) ||
+	     (withNativeFile && obj instanceof File)
+	    ) {
+	    return true;
+	  }
+
+	  // see: https://github.com/Automattic/has-binary/pull/4
+	  if (obj.toJSON && typeof obj.toJSON === 'function' && arguments.length === 1) {
+	    return hasBinary(obj.toJSON(), true);
+	  }
+
+	  for (var key in obj) {
+	    if (Object.prototype.hasOwnProperty.call(obj, key) && hasBinary(obj[key])) {
+	      return true;
+	    }
+	  }
+
+	  return false;
+	}
+
+	/* WEBPACK VAR INJECTION */}.call(exports, (function() { return this; }())))
+
+/***/ },
+/* 11 */
+/***/ function(module, exports) {
+
+	var toString = {}.toString;
+
+	module.exports = Array.isArray || function (arr) {
+	  return toString.call(arr) == '[object Array]';
+	};
+
+
+/***/ },
+/* 12 */
+/***/ function(module, exports) {
+
+	/**
+	 * An abstraction for slicing an arraybuffer even when
+	 * ArrayBuffer.prototype.slice is not supported
+	 *
+	 * @api public
+	 */
+
+	module.exports = function(arraybuffer, start, end) {
+	  var bytes = arraybuffer.byteLength;
+	  start = start || 0;
+	  end = end || bytes;
+
+	  if (arraybuffer.slice) { return arraybuffer.slice(start, end); }
+
+	  if (start < 0) { start += bytes; }
+	  if (end < 0) { end += bytes; }
+	  if (end > bytes) { end = bytes; }
+
+	  if (start >= bytes || start >= end || bytes === 0) {
+	    return new ArrayBuffer(0);
+	  }
+
+	  var abv = new Uint8Array(arraybuffer);
+	  var result = new Uint8Array(end - start);
+	  for (var i = start, ii = 0; i < end; i++, ii++) {
+	    result[ii] = abv[i];
+	  }
+	  return result.buffer;
+	};
+
+
+/***/ },
+/* 13 */
+/***/ function(module, exports) {
+
+	module.exports = after
+
+	function after(count, callback, err_cb) {
+	    var bail = false
+	    err_cb = err_cb || noop
+	    proxy.count = count
+
+	    return (count === 0) ? callback() : proxy
+
+	    function proxy(err, result) {
+	        if (proxy.count <= 0) {
+	            throw new Error('after called too many times')
+	        }
+	        --proxy.count
+
+	        // after first error, rest are passed to err_cb
+	        if (err) {
+	            bail = true
+	            callback(err)
+	            // future error callbacks will go to error handler
+	            callback = err_cb
+	        } else if (proxy.count === 0 && !bail) {
+	            callback(null, result)
+	        }
+	    }
+	}
+
+	function noop() {}
+
+
+/***/ },
+/* 14 */
+/***/ function(module, exports, __webpack_require__) {
+
+	var __WEBPACK_AMD_DEFINE_RESULT__;/* WEBPACK VAR INJECTION */(function(module, global) {/*! https://mths.be/utf8js v2.1.2 by @mathias */
+	;(function(root) {
+
+		// Detect free variables `exports`
+		var freeExports = typeof exports == 'object' && exports;
+
+		// Detect free variable `module`
+		var freeModule = typeof module == 'object' && module &&
+			module.exports == freeExports && module;
+
+		// Detect free variable `global`, from Node.js or Browserified code,
+		// and use it as `root`
+		var freeGlobal = typeof global == 'object' && global;
+		if (freeGlobal.global === freeGlobal || freeGlobal.window === freeGlobal) {
+			root = freeGlobal;
+		}
+
+		/*--------------------------------------------------------------------------*/
+
+		var stringFromCharCode = String.fromCharCode;
+
+		// Taken from https://mths.be/punycode
+		function ucs2decode(string) {
+			var output = [];
+			var counter = 0;
+			var length = string.length;
+			var value;
+			var extra;
+			while (counter < length) {
+				value = string.charCodeAt(counter++);
+				if (value >= 0xD800 && value <= 0xDBFF && counter < length) {
+					// high surrogate, and there is a next character
+					extra = string.charCodeAt(counter++);
+					if ((extra & 0xFC00) == 0xDC00) { // low surrogate
+						output.push(((value & 0x3FF) << 10) + (extra & 0x3FF) + 0x10000);
+					} else {
+						// unmatched surrogate; only append this code unit, in case the next
+						// code unit is the high surrogate of a surrogate pair
+						output.push(value);
+						counter--;
+					}
+				} else {
+					output.push(value);
+				}
+			}
+			return output;
+		}
+
+		// Taken from https://mths.be/punycode
+		function ucs2encode(array) {
+			var length = array.length;
+			var index = -1;
+			var value;
+			var output = '';
+			while (++index < length) {
+				value = array[index];
+				if (value > 0xFFFF) {
+					value -= 0x10000;
+					output += stringFromCharCode(value >>> 10 & 0x3FF | 0xD800);
+					value = 0xDC00 | value & 0x3FF;
+				}
+				output += stringFromCharCode(value);
+			}
+			return output;
+		}
+
+		function checkScalarValue(codePoint, strict) {
+			if (codePoint >= 0xD800 && codePoint <= 0xDFFF) {
+				if (strict) {
+					throw Error(
+						'Lone surrogate U+' + codePoint.toString(16).toUpperCase() +
+						' is not a scalar value'
+					);
+				}
+				return false;
+			}
+			return true;
+		}
+		/*--------------------------------------------------------------------------*/
+
+		function createByte(codePoint, shift) {
+			return stringFromCharCode(((codePoint >> shift) & 0x3F) | 0x80);
+		}
+
+		function encodeCodePoint(codePoint, strict) {
+			if ((codePoint & 0xFFFFFF80) == 0) { // 1-byte sequence
+				return stringFromCharCode(codePoint);
+			}
+			var symbol = '';
+			if ((codePoint & 0xFFFFF800) == 0) { // 2-byte sequence
+				symbol = stringFromCharCode(((codePoint >> 6) & 0x1F) | 0xC0);
+			}
+			else if ((codePoint & 0xFFFF0000) == 0) { // 3-byte sequence
+				if (!checkScalarValue(codePoint, strict)) {
+					codePoint = 0xFFFD;
+				}
+				symbol = stringFromCharCode(((codePoint >> 12) & 0x0F) | 0xE0);
+				symbol += createByte(codePoint, 6);
+			}
+			else if ((codePoint & 0xFFE00000) == 0) { // 4-byte sequence
+				symbol = stringFromCharCode(((codePoint >> 18) & 0x07) | 0xF0);
+				symbol += createByte(codePoint, 12);
+				symbol += createByte(codePoint, 6);
+			}
+			symbol += stringFromCharCode((codePoint & 0x3F) | 0x80);
+			return symbol;
+		}
+
+		function utf8encode(string, opts) {
+			opts = opts || {};
+			var strict = false !== opts.strict;
+
+			var codePoints = ucs2decode(string);
+			var length = codePoints.length;
+			var index = -1;
+			var codePoint;
+			var byteString = '';
+			while (++index < length) {
+				codePoint = codePoints[index];
+				byteString += encodeCodePoint(codePoint, strict);
+			}
+			return byteString;
+		}
+
+		/*--------------------------------------------------------------------------*/
+
+		function readContinuationByte() {
+			if (byteIndex >= byteCount) {
+				throw Error('Invalid byte index');
+			}
+
+			var continuationByte = byteArray[byteIndex] & 0xFF;
+			byteIndex++;
+
+			if ((continuationByte & 0xC0) == 0x80) {
+				return continuationByte & 0x3F;
+			}
+
+			// If we end up here, it’s not a continuation byte
+			throw Error('Invalid continuation byte');
+		}
+
+		function decodeSymbol(strict) {
+			var byte1;
+			var byte2;
+			var byte3;
+			var byte4;
+			var codePoint;
+
+			if (byteIndex > byteCount) {
+				throw Error('Invalid byte index');
+			}
+
+			if (byteIndex == byteCount) {
+				return false;
+			}
+
+			// Read first byte
+			byte1 = byteArray[byteIndex] & 0xFF;
+			byteIndex++;
+
+			// 1-byte sequence (no continuation bytes)
+			if ((byte1 & 0x80) == 0) {
+				return byte1;
+			}
+
+			// 2-byte sequence
+			if ((byte1 & 0xE0) == 0xC0) {
+				byte2 = readContinuationByte();
+				codePoint = ((byte1 & 0x1F) << 6) | byte2;
+				if (codePoint >= 0x80) {
+					return codePoint;
+				} else {
+					throw Error('Invalid continuation byte');
+				}
+			}
+
+			// 3-byte sequence (may include unpaired surrogates)
+			if ((byte1 & 0xF0) == 0xE0) {
+				byte2 = readContinuationByte();
+				byte3 = readContinuationByte();
+				codePoint = ((byte1 & 0x0F) << 12) | (byte2 << 6) | byte3;
+				if (codePoint >= 0x0800) {
+					return checkScalarValue(codePoint, strict) ? codePoint : 0xFFFD;
+				} else {
+					throw Error('Invalid continuation byte');
+				}
+			}
+
+			// 4-byte sequence
+			if ((byte1 & 0xF8) == 0xF0) {
+				byte2 = readContinuationByte();
+				byte3 = readContinuationByte();
+				byte4 = readContinuationByte();
+				codePoint = ((byte1 & 0x07) << 0x12) | (byte2 << 0x0C) |
+					(byte3 << 0x06) | byte4;
+				if (codePoint >= 0x010000 && codePoint <= 0x10FFFF) {
+					return codePoint;
+				}
+			}
+
+			throw Error('Invalid UTF-8 detected');
+		}
+
+		var byteArray;
+		var byteCount;
+		var byteIndex;
+		function utf8decode(byteString, opts) {
+			opts = opts || {};
+			var strict = false !== opts.strict;
+
+			byteArray = ucs2decode(byteString);
+			byteCount = byteArray.length;
+			byteIndex = 0;
+			var codePoints = [];
+			var tmp;
+			while ((tmp = decodeSymbol(strict)) !== false) {
+				codePoints.push(tmp);
+			}
+			return ucs2encode(codePoints);
+		}
+
+		/*--------------------------------------------------------------------------*/
+
+		var utf8 = {
+			'version': '2.1.2',
+			'encode': utf8encode,
+			'decode': utf8decode
+		};
+
+		// Some AMD build optimizers, like r.js, check for specific condition patterns
+		// like the following:
+		if (
+			true
+		) {
+			!(__WEBPACK_AMD_DEFINE_RESULT__ = function() {
+				return utf8;
+			}.call(exports, __webpack_require__, exports, module), __WEBPACK_AMD_DEFINE_RESULT__ !== undefined && (module.exports = __WEBPACK_AMD_DEFINE_RESULT__));
+		}	else if (freeExports && !freeExports.nodeType) {
+			if (freeModule) { // in Node.js or RingoJS v0.8.0+
+				freeModule.exports = utf8;
+			} else { // in Narwhal or RingoJS v0.7.0-
+				var object = {};
+				var hasOwnProperty = object.hasOwnProperty;
+				for (var key in utf8) {
+					hasOwnProperty.call(utf8, key) && (freeExports[key] = utf8[key]);
+				}
+			}
+		} else { // in Rhino or a web browser
+			root.utf8 = utf8;
+		}
+
+	}(this));
+
+	/* WEBPACK VAR INJECTION */}.call(exports, __webpack_require__(15)(module), (function() { return this; }())))
+
+/***/ },
+/* 15 */
+/***/ function(module, exports) {
+
+	module.exports = function(module) {
+		if(!module.webpackPolyfill) {
+			module.deprecate = function() {};
+			module.paths = [];
+			// module.parent = undefined by default
+			module.children = [];
+			module.webpackPolyfill = 1;
+		}
+		return module;
+	}
+
+
+/***/ },
+/* 16 */
+/***/ function(module, exports) {
+
+	/*
+	 * base64-arraybuffer
+	 * https://github.com/niklasvh/base64-arraybuffer
+	 *
+	 * Copyright (c) 2012 Niklas von Hertzen
+	 * Licensed under the MIT license.
+	 */
+	(function(){
+	  "use strict";
+
+	  var chars = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";
+
+	  // Use a lookup table to find the index.
+	  var lookup = new Uint8Array(256);
+	  for (var i = 0; i < chars.length; i++) {
+	    lookup[chars.charCodeAt(i)] = i;
+	  }
+
+	  exports.encode = function(arraybuffer) {
+	    var bytes = new Uint8Array(arraybuffer),
+	    i, len = bytes.length, base64 = "";
+
+	    for (i = 0; i < len; i+=3) {
+	      base64 += chars[bytes[i] >> 2];
+	      base64 += chars[((bytes[i] & 3) << 4) | (bytes[i + 1] >> 4)];
+	      base64 += chars[((bytes[i + 1] & 15) << 2) | (bytes[i + 2] >> 6)];
+	      base64 += chars[bytes[i + 2] & 63];
+	    }
+
+	    if ((len % 3) === 2) {
+	      base64 = base64.substring(0, base64.length - 1) + "=";
+	    } else if (len % 3 === 1) {
+	      base64 = base64.substring(0, base64.length - 2) + "==";
+	    }
+
+	    return base64;
+	  };
+
+	  exports.decode =  function(base64) {
+	    var bufferLength = base64.length * 0.75,
+	    len = base64.length, i, p = 0,
+	    encoded1, encoded2, encoded3, encoded4;
+
+	    if (base64[base64.length - 1] === "=") {
+	      bufferLength--;
+	      if (base64[base64.length - 2] === "=") {
+	        bufferLength--;
+	      }
+	    }
+
+	    var arraybuffer = new ArrayBuffer(bufferLength),
+	    bytes = new Uint8Array(arraybuffer);
+
+	    for (i = 0; i < len; i+=4) {
+	      encoded1 = lookup[base64.charCodeAt(i)];
+	      encoded2 = lookup[base64.charCodeAt(i+1)];
+	      encoded3 = lookup[base64.charCodeAt(i+2)];
+	      encoded4 = lookup[base64.charCodeAt(i+3)];
+
+	      bytes[p++] = (encoded1 << 2) | (encoded2 >> 4);
+	      bytes[p++] = ((encoded2 & 15) << 4) | (encoded3 >> 2);
+	      bytes[p++] = ((encoded3 & 3) << 6) | (encoded4 & 63);
+	    }
+
+	    return arraybuffer;
+	  };
+	})();
+
+
+/***/ },
+/* 17 */
+/***/ function(module, exports) {
+
+	/* WEBPACK VAR INJECTION */(function(global) {/**
+	 * Create a blob builder even when vendor prefixes exist
+	 */
+
+	var BlobBuilder = global.BlobBuilder
+	  || global.WebKitBlobBuilder
+	  || global.MSBlobBuilder
+	  || global.MozBlobBuilder;
+
+	/**
+	 * Check if Blob constructor is supported
+	 */
+
+	var blobSupported = (function() {
+	  try {
+	    var a = new Blob(['hi']);
+	    return a.size === 2;
+	  } catch(e) {
+	    return false;
+	  }
+	})();
+
+	/**
+	 * Check if Blob constructor supports ArrayBufferViews
+	 * Fails in Safari 6, so we need to map to ArrayBuffers there.
+	 */
+
+	var blobSupportsArrayBufferView = blobSupported && (function() {
+	  try {
+	    var b = new Blob([new Uint8Array([1,2])]);
+	    return b.size === 2;
+	  } catch(e) {
+	    return false;
+	  }
+	})();
+
+	/**
+	 * Check if BlobBuilder is supported
+	 */
+
+	var blobBuilderSupported = BlobBuilder
+	  && BlobBuilder.prototype.append
+	  && BlobBuilder.prototype.getBlob;
+
+	/**
+	 * Helper function that maps ArrayBufferViews to ArrayBuffers
+	 * Used by BlobBuilder constructor and old browsers that didn't
+	 * support it in the Blob constructor.
+	 */
+
+	function mapArrayBufferViews(ary) {
+	  for (var i = 0; i < ary.length; i++) {
+	    var chunk = ary[i];
+	    if (chunk.buffer instanceof ArrayBuffer) {
+	      var buf = chunk.buffer;
+
+	      // if this is a subarray, make a copy so we only
+	      // include the subarray region from the underlying buffer
+	      if (chunk.byteLength !== buf.byteLength) {
+	        var copy = new Uint8Array(chunk.byteLength);
+	        copy.set(new Uint8Array(buf, chunk.byteOffset, chunk.byteLength));
+	        buf = copy.buffer;
+	      }
+
+	      ary[i] = buf;
+	    }
+	  }
+	}
+
+	function BlobBuilderConstructor(ary, options) {
+	  options = options || {};
+
+	  var bb = new BlobBuilder();
+	  mapArrayBufferViews(ary);
+
+	  for (var i = 0; i < ary.length; i++) {
+	    bb.append(ary[i]);
+	  }
+
+	  return (options.type) ? bb.getBlob(options.type) : bb.getBlob();
+	};
+
+	function BlobConstructor(ary, options) {
+	  mapArrayBufferViews(ary);
+	  return new Blob(ary, options || {});
+	};
+
+	module.exports = (function() {
+	  if (blobSupported) {
+	    return blobSupportsArrayBufferView ? global.Blob : BlobConstructor;
+	  } else if (blobBuilderSupported) {
+	    return BlobBuilderConstructor;
+	  } else {
+	    return undefined;
+	  }
+	})();
+
+	/* WEBPACK VAR INJECTION */}.call(exports, (function() { return this; }())))
+
+/***/ },
+/* 18 */
+/***/ function(module, exports, __webpack_require__) {
+
+	
+	/**
+	 * Expose `Emitter`.
+	 */
+
+	if (true) {
+	  module.exports = Emitter;
+	}
+
+	/**
+	 * Initialize a new `Emitter`.
+	 *
+	 * @api public
+	 */
+
+	function Emitter(obj) {
+	  if (obj) return mixin(obj);
+	};
+
+	/**
+	 * Mixin the emitter properties.
+	 *
+	 * @param {Object} obj
+	 * @return {Object}
+	 * @api private
+	 */
+
+	function mixin(obj) {
+	  for (var key in Emitter.prototype) {
+	    obj[key] = Emitter.prototype[key];
+	  }
+	  return obj;
+	}
+
+	/**
+	 * Listen on the given `event` with `fn`.
+	 *
+	 * @param {String} event
+	 * @param {Function} fn
+	 * @return {Emitter}
+	 * @api public
+	 */
+
+	Emitter.prototype.on =
+	Emitter.prototype.addEventListener = function(event, fn){
+	  this._callbacks = this._callbacks || {};
+	  (this._callbacks['$' + event] = this._callbacks['$' + event] || [])
+	    .push(fn);
+	  return this;
+	};
+
+	/**
+	 * Adds an `event` listener that will be invoked a single
+	 * time then automatically removed.
+	 *
+	 * @param {String} event
+	 * @param {Function} fn
+	 * @return {Emitter}
+	 * @api public
+	 */
+
+	Emitter.prototype.once = function(event, fn){
+	  function on() {
+	    this.off(event, on);
+	    fn.apply(this, arguments);
+	  }
+
+	  on.fn = fn;
+	  this.on(event, on);
+	  return this;
+	};
+
+	/**
+	 * Remove the given callback for `event` or all
+	 * registered callbacks.
+	 *
+	 * @param {String} event
+	 * @param {Function} fn
+	 * @return {Emitter}
+	 * @api public
+	 */
+
+	Emitter.prototype.off =
+	Emitter.prototype.removeListener =
+	Emitter.prototype.removeAllListeners =
+	Emitter.prototype.removeEventListener = function(event, fn){
+	  this._callbacks = this._callbacks || {};
+
+	  // all
+	  if (0 == arguments.length) {
+	    this._callbacks = {};
+	    return this;
+	  }
+
+	  // specific event
+	  var callbacks = this._callbacks['$' + event];
+	  if (!callbacks) return this;
+
+	  // remove all handlers
+	  if (1 == arguments.length) {
+	    delete this._callbacks['$' + event];
+	    return this;
+	  }
+
+	  // remove specific handler
+	  var cb;
+	  for (var i = 0; i < callbacks.length; i++) {
+	    cb = callbacks[i];
+	    if (cb === fn || cb.fn === fn) {
+	      callbacks.splice(i, 1);
+	      break;
+	    }
+	  }
+	  return this;
+	};
+
+	/**
+	 * Emit `event` with the given args.
+	 *
+	 * @param {String} event
+	 * @param {Mixed} ...
+	 * @return {Emitter}
+	 */
+
+	Emitter.prototype.emit = function(event){
+	  this._callbacks = this._callbacks || {};
+	  var args = [].slice.call(arguments, 1)
+	    , callbacks = this._callbacks['$' + event];
+
+	  if (callbacks) {
+	    callbacks = callbacks.slice(0);
+	    for (var i = 0, len = callbacks.length; i < len; ++i) {
+	      callbacks[i].apply(this, args);
+	    }
+	  }
+
+	  return this;
+	};
+
+	/**
+	 * Return array of callbacks for `event`.
+	 *
+	 * @param {String} event
+	 * @return {Array}
+	 * @api public
+	 */
+
+	Emitter.prototype.listeners = function(event){
+	  this._callbacks = this._callbacks || {};
+	  return this._callbacks['$' + event] || [];
+	};
+
+	/**
+	 * Check if this emitter has `event` handlers.
+	 *
+	 * @param {String} event
+	 * @return {Boolean}
+	 * @api public
+	 */
+
+	Emitter.prototype.hasListeners = function(event){
+	  return !! this.listeners(event).length;
+	};
+
+
+/***/ },
+/* 19 */
+/***/ function(module, exports) {
+
+	/**
+	 * Compiles a querystring
+	 * Returns string representation of the object
+	 *
+	 * @param {Object}
+	 * @api private
+	 */
+
+	exports.encode = function (obj) {
+	  var str = '';
+
+	  for (var i in obj) {
+	    if (obj.hasOwnProperty(i)) {
+	      if (str.length) str += '&';
+	      str += encodeURIComponent(i) + '=' + encodeURIComponent(obj[i]);
+	    }
+	  }
+
+	  return str;
+	};
+
+	/**
+	 * Parses a simple querystring into an object
+	 *
+	 * @param {String} qs
+	 * @api private
+	 */
+
+	exports.decode = function(qs){
+	  var qry = {};
+	  var pairs = qs.split('&');
+	  for (var i = 0, l = pairs.length; i < l; i++) {
+	    var pair = pairs[i].split('=');
+	    qry[decodeURIComponent(pair[0])] = decodeURIComponent(pair[1]);
+	  }
+	  return qry;
+	};
+
+
+/***/ },
+/* 20 */
+/***/ function(module, exports) {
+
+	
+	module.exports = function(a, b){
+	  var fn = function(){};
+	  fn.prototype = b.prototype;
+	  a.prototype = new fn;
+	  a.prototype.constructor = a;
+	};
+
+/***/ },
+/* 21 */
+/***/ function(module, exports) {
+
+	'use strict';
+
+	var alphabet = '0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz-_'.split('')
+	  , length = 64
+	  , map = {}
+	  , seed = 0
+	  , i = 0
+	  , prev;
+
+	/**
+	 * Return a string representing the specified number.
+	 *
+	 * @param {Number} num The number to convert.
+	 * @returns {String} The string representation of the number.
+	 * @api public
+	 */
+	function encode(num) {
+	  var encoded = '';
+
+	  do {
+	    encoded = alphabet[num % length] + encoded;
+	    num = Math.floor(num / length);
+	  } while (num > 0);
+
+	  return encoded;
+	}
+
+	/**
+	 * Return the integer value specified by the given string.
+	 *
+	 * @param {String} str The string to convert.
+	 * @returns {Number} The integer value represented by the string.
+	 * @api public
+	 */
+	function decode(str) {
+	  var decoded = 0;
+
+	  for (i = 0; i < str.length; i++) {
+	    decoded = decoded * length + map[str.charAt(i)];
+	  }
+
+	  return decoded;
+	}
+
+	/**
+	 * Yeast: A tiny growing id generator.
+	 *
+	 * @returns {String} A unique id.
+	 * @api public
+	 */
+	function yeast() {
+	  var now = encode(+new Date());
+
+	  if (now !== prev) return seed = 0, prev = now;
+	  return now +'.'+ encode(seed++);
+	}
+
+	//
+	// Map each character to its index.
+	//
+	for (; i < length; i++) map[alphabet[i]] = i;
+
+	//
+	// Expose the `yeast`, `encode` and `decode` functions.
+	//
+	yeast.encode = encode;
+	yeast.decode = decode;
+	module.exports = yeast;
+
+
+/***/ },
+/* 22 */
+/***/ function(module, exports, __webpack_require__) {
+
+	/* WEBPACK VAR INJECTION */(function(process) {/**
+	 * This is the web browser implementation of `debug()`.
+	 *
+	 * Expose `debug()` as the module.
+	 */
+
+	exports = module.exports = __webpack_require__(24);
+	exports.log = log;
+	exports.formatArgs = formatArgs;
+	exports.save = save;
+	exports.load = load;
+	exports.useColors = useColors;
+	exports.storage = 'undefined' != typeof chrome
+	               && 'undefined' != typeof chrome.storage
+	                  ? chrome.storage.local
+	                  : localstorage();
+
+	/**
+	 * Colors.
+	 */
+
+	exports.colors = [
+	  'lightseagreen',
+	  'forestgreen',
+	  'goldenrod',
+	  'dodgerblue',
+	  'darkorchid',
+	  'crimson'
+	];
+
+	/**
+	 * Currently only WebKit-based Web Inspectors, Firefox >= v31,
+	 * and the Firebug extension (any Firefox version) are known
+	 * to support "%c" CSS customizations.
+	 *
+	 * TODO: add a `localStorage` variable to explicitly enable/disable colors
+	 */
+
+	function useColors() {
+	  // NB: In an Electron preload script, document will be defined but not fully
+	  // initialized. Since we know we're in Chrome, we'll just detect this case
+	  // explicitly
+	  if (typeof window !== 'undefined' && window.process && window.process.type === 'renderer') {
+	    return true;
+	  }
+
+	  // is webkit? http://stackoverflow.com/a/16459606/376773
+	  // document is undefined in react-native: https://github.com/facebook/react-native/pull/1632
+	  return (typeof document !== 'undefined' && document.documentElement && document.documentElement.style && document.documentElement.style.WebkitAppearance) ||
+	    // is firebug? http://stackoverflow.com/a/398120/376773
+	    (typeof window !== 'undefined' && window.console && (window.console.firebug || (window.console.exception && window.console.table))) ||
+	    // is firefox >= v31?
+	    // https://developer.mozilla.org/en-US/docs/Tools/Web_Console#Styling_messages
+	    (typeof navigator !== 'undefined' && navigator.userAgent && navigator.userAgent.toLowerCase().match(/firefox\/(\d+)/) && parseInt(RegExp.$1, 10) >= 31) ||
+	    // double check webkit in userAgent just in case we are in a worker
+	    (typeof navigator !== 'undefined' && navigator.userAgent && navigator.userAgent.toLowerCase().match(/applewebkit\/(\d+)/));
+	}
+
+	/**
+	 * Map %j to `JSON.stringify()`, since no Web Inspectors do that by default.
+	 */
+
+	exports.formatters.j = function(v) {
+	  try {
+	    return JSON.stringify(v);
+	  } catch (err) {
+	    return '[UnexpectedJSONParseError]: ' + err.message;
+	  }
+	};
+
+
+	/**
+	 * Colorize log arguments if enabled.
+	 *
+	 * @api public
+	 */
+
+	function formatArgs(args) {
+	  var useColors = this.useColors;
+
+	  args[0] = (useColors ? '%c' : '')
+	    + this.namespace
+	    + (useColors ? ' %c' : ' ')
+	    + args[0]
+	    + (useColors ? '%c ' : ' ')
+	    + '+' + exports.humanize(this.diff);
+
+	  if (!useColors) return;
+
+	  var c = 'color: ' + this.color;
+	  args.splice(1, 0, c, 'color: inherit')
+
+	  // the final "%c" is somewhat tricky, because there could be other
+	  // arguments passed either before or after the %c, so we need to
+	  // figure out the correct index to insert the CSS into
+	  var index = 0;
+	  var lastC = 0;
+	  args[0].replace(/%[a-zA-Z%]/g, function(match) {
+	    if ('%%' === match) return;
+	    index++;
+	    if ('%c' === match) {
+	      // we only are interested in the *last* %c
+	      // (the user may have provided their own)
+	      lastC = index;
+	    }
+	  });
+
+	  args.splice(lastC, 0, c);
+	}
+
+	/**
+	 * Invokes `console.log()` when available.
+	 * No-op when `console.log` is not a "function".
+	 *
+	 * @api public
+	 */
+
+	function log() {
+	  // this hackery is required for IE8/9, where
+	  // the `console.log` function doesn't have 'apply'
+	  return 'object' === typeof console
+	    && console.log
+	    && Function.prototype.apply.call(console.log, console, arguments);
+	}
+
+	/**
+	 * Save `namespaces`.
+	 *
+	 * @param {String} namespaces
+	 * @api private
+	 */
+
+	function save(namespaces) {
+	  try {
+	    if (null == namespaces) {
+	      exports.storage.removeItem('debug');
+	    } else {
+	      exports.storage.debug = namespaces;
+	    }
+	  } catch(e) {}
+	}
+
+	/**
+	 * Load `namespaces`.
+	 *
+	 * @return {String} returns the previously persisted debug modes
+	 * @api private
+	 */
+
+	function load() {
+	  var r;
+	  try {
+	    r = exports.storage.debug;
+	  } catch(e) {}
+
+	  // If debug isn't set in LS, and we're in Electron, try to load $DEBUG
+	  if (!r && typeof process !== 'undefined' && 'env' in process) {
+	    r = process.env.DEBUG;
+	  }
+
+	  return r;
+	}
+
+	/**
+	 * Enable namespaces listed in `localStorage.debug` initially.
+	 */
+
+	exports.enable(load());
+
+	/**
+	 * Localstorage attempts to return the localstorage.
+	 *
+	 * This is necessary because safari throws
+	 * when a user disables cookies/localstorage
+	 * and you attempt to access it.
+	 *
+	 * @return {LocalStorage}
+	 * @api private
+	 */
+
+	function localstorage() {
+	  try {
+	    return window.localStorage;
+	  } catch (e) {}
+	}
+
+	/* WEBPACK VAR INJECTION */}.call(exports, __webpack_require__(23)))
+
+/***/ },
+/* 23 */
+/***/ function(module, exports) {
+
+	// shim for using process in browser
+	var process = module.exports = {};
+
+	// cached from whatever global is present so that test runners that stub it
+	// don't break things.  But we need to wrap it in a try catch in case it is
+	// wrapped in strict mode code which doesn't define any globals.  It's inside a
+	// function because try/catches deoptimize in certain engines.
+
+	var cachedSetTimeout;
+	var cachedClearTimeout;
+
+	function defaultSetTimout() {
+	    throw new Error('setTimeout has not been defined');
+	}
+	function defaultClearTimeout () {
+	    throw new Error('clearTimeout has not been defined');
+	}
+	(function () {
+	    try {
+	        if (typeof setTimeout === 'function') {
+	            cachedSetTimeout = setTimeout;
+	        } else {
+	            cachedSetTimeout = defaultSetTimout;
+	        }
+	    } catch (e) {
+	        cachedSetTimeout = defaultSetTimout;
+	    }
+	    try {
+	        if (typeof clearTimeout === 'function') {
+	            cachedClearTimeout = clearTimeout;
+	        } else {
+	            cachedClearTimeout = defaultClearTimeout;
+	        }
+	    } catch (e) {
+	        cachedClearTimeout = defaultClearTimeout;
+	    }
+	} ())
+	function runTimeout(fun) {
+	    if (cachedSetTimeout === setTimeout) {
+	        //normal enviroments in sane situations
+	        return setTimeout(fun, 0);
+	    }
+	    // if setTimeout wasn't available but was latter defined
+	    if ((cachedSetTimeout === defaultSetTimout || !cachedSetTimeout) && setTimeout) {
+	        cachedSetTimeout = setTimeout;
+	        return setTimeout(fun, 0);
+	    }
+	    try {
+	        // when when somebody has screwed with setTimeout but no I.E. maddness
+	        return cachedSetTimeout(fun, 0);
+	    } catch(e){
+	        try {
+	            // When we are in I.E. but the script has been evaled so I.E. doesn't trust the global object when called normally
+	            return cachedSetTimeout.call(null, fun, 0);
+	        } catch(e){
+	            // same as above but when it's a version of I.E. that must have the global object for 'this', hopfully our context correct otherwise it will throw a global error
+	            return cachedSetTimeout.call(this, fun, 0);
+	        }
+	    }
+
+
+	}
+	function runClearTimeout(marker) {
+	    if (cachedClearTimeout === clearTimeout) {
+	        //normal enviroments in sane situations
+	        return clearTimeout(marker);
+	    }
+	    // if clearTimeout wasn't available but was latter defined
+	    if ((cachedClearTimeout === defaultClearTimeout || !cachedClearTimeout) && clearTimeout) {
+	        cachedClearTimeout = clearTimeout;
+	        return clearTimeout(marker);
+	    }
+	    try {
+	        // when when somebody has screwed with setTimeout but no I.E. maddness
+	        return cachedClearTimeout(marker);
+	    } catch (e){
+	        try {
+	            // When we are in I.E. but the script has been evaled so I.E. doesn't  trust the global object when called normally
+	            return cachedClearTimeout.call(null, marker);
+	        } catch (e){
+	            // same as above but when it's a version of I.E. that must have the global object for 'this', hopfully our context correct otherwise it will throw a global error.
+	            // Some versions of I.E. have different rules for clearTimeout vs setTimeout
+	            return cachedClearTimeout.call(this, marker);
+	        }
+	    }
+
+
+
+	}
+	var queue = [];
+	var draining = false;
+	var currentQueue;
+	var queueIndex = -1;
+
+	function cleanUpNextTick() {
+	    if (!draining || !currentQueue) {
+	        return;
+	    }
+	    draining = false;
+	    if (currentQueue.length) {
+	        queue = currentQueue.concat(queue);
+	    } else {
+	        queueIndex = -1;
+	    }
+	    if (queue.length) {
+	        drainQueue();
+	    }
+	}
+
+	function drainQueue() {
+	    if (draining) {
+	        return;
+	    }
+	    var timeout = runTimeout(cleanUpNextTick);
+	    draining = true;
+
+	    var len = queue.length;
+	    while(len) {
+	        currentQueue = queue;
+	        queue = [];
+	        while (++queueIndex < len) {
+	            if (currentQueue) {
+	                currentQueue[queueIndex].run();
+	            }
+	        }
+	        queueIndex = -1;
+	        len = queue.length;
+	    }
+	    currentQueue = null;
+	    draining = false;
+	    runClearTimeout(timeout);
+	}
+
+	process.nextTick = function (fun) {
+	    var args = new Array(arguments.length - 1);
+	    if (arguments.length > 1) {
+	        for (var i = 1; i < arguments.length; i++) {
+	            args[i - 1] = arguments[i];
+	        }
+	    }
+	    queue.push(new Item(fun, args));
+	    if (queue.length === 1 && !draining) {
+	        runTimeout(drainQueue);
+	    }
+	};
+
+	// v8 likes predictible objects
+	function Item(fun, array) {
+	    this.fun = fun;
+	    this.array = array;
+	}
+	Item.prototype.run = function () {
+	    this.fun.apply(null, this.array);
+	};
+	process.title = 'browser';
+	process.browser = true;
+	process.env = {};
+	process.argv = [];
+	process.version = ''; // empty string to avoid regexp issues
+	process.versions = {};
+
+	function noop() {}
+
+	process.on = noop;
+	process.addListener = noop;
+	process.once = noop;
+	process.off = noop;
+	process.removeListener = noop;
+	process.removeAllListeners = noop;
+	process.emit = noop;
+	process.prependListener = noop;
+	process.prependOnceListener = noop;
+
+	process.listeners = function (name) { return [] }
+
+	process.binding = function (name) {
+	    throw new Error('process.binding is not supported');
+	};
+
+	process.cwd = function () { return '/' };
+	process.chdir = function (dir) {
+	    throw new Error('process.chdir is not supported');
+	};
+	process.umask = function() { return 0; };
+
+
+/***/ },
+/* 24 */
+/***/ function(module, exports, __webpack_require__) {
+
+	
+	/**
+	 * This is the common logic for both the Node.js and web browser
+	 * implementations of `debug()`.
+	 *
+	 * Expose `debug()` as the module.
+	 */
+
+	exports = module.exports = createDebug.debug = createDebug['default'] = createDebug;
+	exports.coerce = coerce;
+	exports.disable = disable;
+	exports.enable = enable;
+	exports.enabled = enabled;
+	exports.humanize = __webpack_require__(25);
+
+	/**
+	 * The currently active debug mode names, and names to skip.
+	 */
+
+	exports.names = [];
+	exports.skips = [];
+
+	/**
+	 * Map of special "%n" handling functions, for the debug "format" argument.
+	 *
+	 * Valid key names are a single, lower or upper-case letter, i.e. "n" and "N".
+	 */
+
+	exports.formatters = {};
+
+	/**
+	 * Previous log timestamp.
+	 */
+
+	var prevTime;
+
+	/**
+	 * Select a color.
+	 * @param {String} namespace
+	 * @return {Number}
+	 * @api private
+	 */
+
+	function selectColor(namespace) {
+	  var hash = 0, i;
+
+	  for (i in namespace) {
+	    hash  = ((hash << 5) - hash) + namespace.charCodeAt(i);
+	    hash |= 0; // Convert to 32bit integer
+	  }
+
+	  return exports.colors[Math.abs(hash) % exports.colors.length];
+	}
+
+	/**
+	 * Create a debugger with the given `namespace`.
+	 *
+	 * @param {String} namespace
+	 * @return {Function}
+	 * @api public
+	 */
+
+	function createDebug(namespace) {
+
+	  function debug() {
+	    // disabled?
+	    if (!debug.enabled) return;
+
+	    var self = debug;
+
+	    // set `diff` timestamp
+	    var curr = +new Date();
+	    var ms = curr - (prevTime || curr);
+	    self.diff = ms;
+	    self.prev = prevTime;
+	    self.curr = curr;
+	    prevTime = curr;
+
+	    // turn the `arguments` into a proper Array
+	    var args = new Array(arguments.length);
+	    for (var i = 0; i < args.length; i++) {
+	      args[i] = arguments[i];
+	    }
+
+	    args[0] = exports.coerce(args[0]);
+
+	    if ('string' !== typeof args[0]) {
+	      // anything else let's inspect with %O
+	      args.unshift('%O');
+	    }
+
+	    // apply any `formatters` transformations
+	    var index = 0;
+	    args[0] = args[0].replace(/%([a-zA-Z%])/g, function(match, format) {
+	      // if we encounter an escaped % then don't increase the array index
+	      if (match === '%%') return match;
+	      index++;
+	      var formatter = exports.formatters[format];
+	      if ('function' === typeof formatter) {
+	        var val = args[index];
+	        match = formatter.call(self, val);
+
+	        // now we need to remove `args[index]` since it's inlined in the `format`
+	        args.splice(index, 1);
+	        index--;
+	      }
+	      return match;
+	    });
+
+	    // apply env-specific formatting (colors, etc.)
+	    exports.formatArgs.call(self, args);
+
+	    var logFn = debug.log || exports.log || console.log.bind(console);
+	    logFn.apply(self, args);
+	  }
+
+	  debug.namespace = namespace;
+	  debug.enabled = exports.enabled(namespace);
+	  debug.useColors = exports.useColors();
+	  debug.color = selectColor(namespace);
+
+	  // env-specific initialization logic for debug instances
+	  if ('function' === typeof exports.init) {
+	    exports.init(debug);
+	  }
+
+	  return debug;
+	}
+
+	/**
+	 * Enables a debug mode by namespaces. This can include modes
+	 * separated by a colon and wildcards.
+	 *
+	 * @param {String} namespaces
+	 * @api public
+	 */
+
+	function enable(namespaces) {
+	  exports.save(namespaces);
+
+	  exports.names = [];
+	  exports.skips = [];
+
+	  var split = (typeof namespaces === 'string' ? namespaces : '').split(/[\s,]+/);
+	  var len = split.length;
+
+	  for (var i = 0; i < len; i++) {
+	    if (!split[i]) continue; // ignore empty strings
+	    namespaces = split[i].replace(/\*/g, '.*?');
+	    if (namespaces[0] === '-') {
+	      exports.skips.push(new RegExp('^' + namespaces.substr(1) + '$'));
+	    } else {
+	      exports.names.push(new RegExp('^' + namespaces + '$'));
+	    }
+	  }
+	}
+
+	/**
+	 * Disable debug output.
+	 *
+	 * @api public
+	 */
+
+	function disable() {
+	  exports.enable('');
+	}
+
+	/**
+	 * Returns true if the given mode name is enabled, false otherwise.
+	 *
+	 * @param {String} name
+	 * @return {Boolean}
+	 * @api public
+	 */
+
+	function enabled(name) {
+	  var i, len;
+	  for (i = 0, len = exports.skips.length; i < len; i++) {
+	    if (exports.skips[i].test(name)) {
+	      return false;
+	    }
+	  }
+	  for (i = 0, len = exports.names.length; i < len; i++) {
+	    if (exports.names[i].test(name)) {
+	      return true;
+	    }
+	  }
+	  return false;
+	}
+
+	/**
+	 * Coerce `val`.
+	 *
+	 * @param {Mixed} val
+	 * @return {Mixed}
+	 * @api private
+	 */
+
+	function coerce(val) {
+	  if (val instanceof Error) return val.stack || val.message;
+	  return val;
+	}
+
+
+/***/ },
+/* 25 */
+/***/ function(module, exports) {
+
+	/**
+	 * Helpers.
+	 */
+
+	var s = 1000;
+	var m = s * 60;
+	var h = m * 60;
+	var d = h * 24;
+	var y = d * 365.25;
+
+	/**
+	 * Parse or format the given `val`.
+	 *
+	 * Options:
+	 *
+	 *  - `long` verbose formatting [false]
+	 *
+	 * @param {String|Number} val
+	 * @param {Object} [options]
+	 * @throws {Error} throw an error if val is not a non-empty string or a number
+	 * @return {String|Number}
+	 * @api public
+	 */
+
+	module.exports = function(val, options) {
+	  options = options || {};
+	  var type = typeof val;
+	  if (type === 'string' && val.length > 0) {
+	    return parse(val);
+	  } else if (type === 'number' && isNaN(val) === false) {
+	    return options.long ? fmtLong(val) : fmtShort(val);
+	  }
+	  throw new Error(
+	    'val is not a non-empty string or a valid number. val=' +
+	      JSON.stringify(val)
+	  );
+	};
+
+	/**
+	 * Parse the given `str` and return milliseconds.
+	 *
+	 * @param {String} str
+	 * @return {Number}
+	 * @api private
+	 */
+
+	function parse(str) {
+	  str = String(str);
+	  if (str.length > 100) {
+	    return;
+	  }
+	  var match = /^((?:\d+)?\.?\d+) *(milliseconds?|msecs?|ms|seconds?|secs?|s|minutes?|mins?|m|hours?|hrs?|h|days?|d|years?|yrs?|y)?$/i.exec(
+	    str
+	  );
+	  if (!match) {
+	    return;
+	  }
+	  var n = parseFloat(match[1]);
+	  var type = (match[2] || 'ms').toLowerCase();
+	  switch (type) {
+	    case 'years':
+	    case 'year':
+	    case 'yrs':
+	    case 'yr':
+	    case 'y':
+	      return n * y;
+	    case 'days':
+	    case 'day':
+	    case 'd':
+	      return n * d;
+	    case 'hours':
+	    case 'hour':
+	    case 'hrs':
+	    case 'hr':
+	    case 'h':
+	      return n * h;
+	    case 'minutes':
+	    case 'minute':
+	    case 'mins':
+	    case 'min':
+	    case 'm':
+	      return n * m;
+	    case 'seconds':
+	    case 'second':
+	    case 'secs':
+	    case 'sec':
+	    case 's':
+	      return n * s;
+	    case 'milliseconds':
+	    case 'millisecond':
+	    case 'msecs':
+	    case 'msec':
+	    case 'ms':
+	      return n;
+	    default:
+	      return undefined;
+	  }
+	}
+
+	/**
+	 * Short format for `ms`.
+	 *
+	 * @param {Number} ms
+	 * @return {String}
+	 * @api private
+	 */
+
+	function fmtShort(ms) {
+	  if (ms >= d) {
+	    return Math.round(ms / d) + 'd';
+	  }
+	  if (ms >= h) {
+	    return Math.round(ms / h) + 'h';
+	  }
+	  if (ms >= m) {
+	    return Math.round(ms / m) + 'm';
+	  }
+	  if (ms >= s) {
+	    return Math.round(ms / s) + 's';
+	  }
+	  return ms + 'ms';
+	}
+
+	/**
+	 * Long format for `ms`.
+	 *
+	 * @param {Number} ms
+	 * @return {String}
+	 * @api private
+	 */
+
+	function fmtLong(ms) {
+	  return plural(ms, d, 'day') ||
+	    plural(ms, h, 'hour') ||
+	    plural(ms, m, 'minute') ||
+	    plural(ms, s, 'second') ||
+	    ms + ' ms';
+	}
+
+	/**
+	 * Pluralization helper.
+	 */
+
+	function plural(ms, n, name) {
+	  if (ms < n) {
+	    return;
+	  }
+	  if (ms < n * 1.5) {
+	    return Math.floor(ms / n) + ' ' + name;
+	  }
+	  return Math.ceil(ms / n) + ' ' + name + 's';
+	}
+
+
+/***/ },
+/* 26 */
+/***/ function(module, exports, __webpack_require__) {
+
+	/* WEBPACK VAR INJECTION */(function(global) {'use strict';
+
+	/**
+	 * Module requirements.
+	 */
+
+	var Polling = __webpack_require__(6);
+	var inherit = __webpack_require__(20);
+
+	/**
+	 * Module exports.
+	 */
+
+	module.exports = JSONPPolling;
+
+	/**
+	 * Cached regular expressions.
+	 */
+
+	var rNewline = /\n/g;
+	var rEscapedNewline = /\\n/g;
+
+	/**
+	 * Global JSONP callbacks.
+	 */
+
+	var callbacks;
+
+	/**
+	 * Noop.
+	 */
+
+	function empty() {}
+
+	/**
+	 * JSONP Polling constructor.
+	 *
+	 * @param {Object} opts.
+	 * @api public
+	 */
+
+	function JSONPPolling(opts) {
+	  Polling.call(this, opts);
+
+	  this.query = this.query || {};
+
+	  // define global callbacks array if not present
+	  // we do this here (lazily) to avoid unneeded global pollution
+	  if (!callbacks) {
+	    // we need to consider multiple engines in the same page
+	    if (!global.___eio) global.___eio = [];
+	    callbacks = global.___eio;
+	  }
+
+	  // callback identifier
+	  this.index = callbacks.length;
+
+	  // add callback to jsonp global
+	  var self = this;
+	  callbacks.push(function (msg) {
+	    self.onData(msg);
+	  });
+
+	  // append to query string
+	  this.query.j = this.index;
+
+	  // prevent spurious errors from being emitted when the window is unloaded
+	  if (global.document && global.addEventListener) {
+	    global.addEventListener('beforeunload', function () {
+	      if (self.script) self.script.onerror = empty;
+	    }, false);
+	  }
+	}
+
+	/**
+	 * Inherits from Polling.
+	 */
+
+	inherit(JSONPPolling, Polling);
+
+	/*
+	 * JSONP only supports binary as base64 encoded strings
+	 */
+
+	JSONPPolling.prototype.supportsBinary = false;
+
+	/**
+	 * Closes the socket.
+	 *
+	 * @api private
+	 */
+
+	JSONPPolling.prototype.doClose = function () {
+	  if (this.script) {
+	    this.script.parentNode.removeChild(this.script);
+	    this.script = null;
+	  }
+
+	  if (this.form) {
+	    this.form.parentNode.removeChild(this.form);
+	    this.form = null;
+	    this.iframe = null;
+	  }
+
+	  Polling.prototype.doClose.call(this);
+	};
+
+	/**
+	 * Starts a poll cycle.
+	 *
+	 * @api private
+	 */
+
+	JSONPPolling.prototype.doPoll = function () {
+	  var self = this;
+	  var script = document.createElement('script');
+
+	  if (this.script) {
+	    this.script.parentNode.removeChild(this.script);
+	    this.script = null;
+	  }
+
+	  script.async = true;
+	  script.src = this.uri();
+	  script.onerror = function (e) {
+	    self.onError('jsonp poll error', e);
+	  };
+
+	  var insertAt = document.getElementsByTagName('script')[0];
+	  if (insertAt) {
+	    insertAt.parentNode.insertBefore(script, insertAt);
+	  } else {
+	    (document.head || document.body).appendChild(script);
+	  }
+	  this.script = script;
+
+	  var isUAgecko = 'undefined' !== typeof navigator && /gecko/i.test(navigator.userAgent);
+
+	  if (isUAgecko) {
+	    setTimeout(function () {
+	      var iframe = document.createElement('iframe');
+	      document.body.appendChild(iframe);
+	      document.body.removeChild(iframe);
+	    }, 100);
+	  }
+	};
+
+	/**
+	 * Writes with a hidden iframe.
+	 *
+	 * @param {String} data to send
+	 * @param {Function} called upon flush.
+	 * @api private
+	 */
+
+	JSONPPolling.prototype.doWrite = function (data, fn) {
+	  var self = this;
+
+	  if (!this.form) {
+	    var form = document.createElement('form');
+	    var area = document.createElement('textarea');
+	    var id = this.iframeId = 'eio_iframe_' + this.index;
+	    var iframe;
+
+	    form.className = 'socketio';
+	    form.style.position = 'absolute';
+	    form.style.top = '-1000px';
+	    form.style.left = '-1000px';
+	    form.target = id;
+	    form.method = 'POST';
+	    form.setAttribute('accept-charset', 'utf-8');
+	    area.name = 'd';
+	    form.appendChild(area);
+	    document.body.appendChild(form);
+
+	    this.form = form;
+	    this.area = area;
+	  }
+
+	  this.form.action = this.uri();
+
+	  function complete() {
+	    initIframe();
+	    fn();
+	  }
+
+	  function initIframe() {
+	    if (self.iframe) {
+	      try {
+	        self.form.removeChild(self.iframe);
+	      } catch (e) {
+	        self.onError('jsonp polling iframe removal error', e);
+	      }
+	    }
+
+	    try {
+	      // ie6 dynamic iframes with target="" support (thanks Chris Lambacher)
+	      var html = '<iframe src="javascript:0" name="' + self.iframeId + '">';
+	      iframe = document.createElement(html);
+	    } catch (e) {
+	      iframe = document.createElement('iframe');
+	      iframe.name = self.iframeId;
+	      iframe.src = 'javascript:0';
+	    }
+
+	    iframe.id = self.iframeId;
+
+	    self.form.appendChild(iframe);
+	    self.iframe = iframe;
+	  }
+
+	  initIframe();
+
+	  // escape \n to prevent it from being converted into \r\n by some UAs
+	  // double escaping is required for escaped new lines because unescaping of new lines can be done safely on server-side
+	  data = data.replace(rEscapedNewline, '\\\n');
+	  this.area.value = data.replace(rNewline, '\\n');
+
+	  try {
+	    this.form.submit();
+	  } catch (e) {}
+
+	  if (this.iframe.attachEvent) {
+	    this.iframe.onreadystatechange = function () {
+	      if (self.iframe.readyState === 'complete') {
+	        complete();
+	      }
+	    };
+	  } else {
+	    this.iframe.onload = complete;
+	  }
+	};
+	/* WEBPACK VAR INJECTION */}.call(exports, (function() { return this; }())))
+
+/***/ },
+/* 27 */
+/***/ function(module, exports, __webpack_require__) {
+
+	/* WEBPACK VAR INJECTION */(function(global) {'use strict';
+
+	/**
+	 * Module dependencies.
+	 */
+
+	var Transport = __webpack_require__(7);
+	var parser = __webpack_require__(8);
+	var parseqs = __webpack_require__(19);
+	var inherit = __webpack_require__(20);
+	var yeast = __webpack_require__(21);
+	var debug = __webpack_require__(22)('engine.io-client:websocket');
+	var BrowserWebSocket = global.WebSocket || global.MozWebSocket;
+	var NodeWebSocket;
+	if (typeof window === 'undefined') {
+	  try {
+	    NodeWebSocket = __webpack_require__(28);
+	  } catch (e) {}
+	}
+
+	/**
+	 * Get either the `WebSocket` or `MozWebSocket` globals
+	 * in the browser or try to resolve WebSocket-compatible
+	 * interface exposed by `ws` for Node-like environment.
+	 */
+
+	var WebSocket = BrowserWebSocket;
+	if (!WebSocket && typeof window === 'undefined') {
+	  WebSocket = NodeWebSocket;
+	}
+
+	/**
+	 * Module exports.
+	 */
+
+	module.exports = WS;
+
+	/**
+	 * WebSocket transport constructor.
+	 *
+	 * @api {Object} connection options
+	 * @api public
+	 */
+
+	function WS(opts) {
+	  var forceBase64 = opts && opts.forceBase64;
+	  if (forceBase64) {
+	    this.supportsBinary = false;
+	  }
+	  this.perMessageDeflate = opts.perMessageDeflate;
+	  this.usingBrowserWebSocket = BrowserWebSocket && !opts.forceNode;
+	  this.protocols = opts.protocols;
+	  if (!this.usingBrowserWebSocket) {
+	    WebSocket = NodeWebSocket;
+	  }
+	  Transport.call(this, opts);
+	}
+
+	/**
+	 * Inherits from Transport.
+	 */
+
+	inherit(WS, Transport);
+
+	/**
+	 * Transport name.
+	 *
+	 * @api public
+	 */
+
+	WS.prototype.name = 'websocket';
+
+	/*
+	 * WebSockets support binary
+	 */
+
+	WS.prototype.supportsBinary = true;
+
+	/**
+	 * Opens socket.
+	 *
+	 * @api private
+	 */
+
+	WS.prototype.doOpen = function () {
+	  if (!this.check()) {
+	    // let probe timeout
+	    return;
+	  }
+
+	  var uri = this.uri();
+	  var protocols = this.protocols;
+	  var opts = {
+	    agent: this.agent,
+	    perMessageDeflate: this.perMessageDeflate
+	  };
+
+	  // SSL options for Node.js client
+	  opts.pfx = this.pfx;
+	  opts.key = this.key;
+	  opts.passphrase = this.passphrase;
+	  opts.cert = this.cert;
+	  opts.ca = this.ca;
+	  opts.ciphers = this.ciphers;
+	  opts.rejectUnauthorized = this.rejectUnauthorized;
+	  if (this.extraHeaders) {
+	    opts.headers = this.extraHeaders;
+	  }
+	  if (this.localAddress) {
+	    opts.localAddress = this.localAddress;
+	  }
+
+	  try {
+	    this.ws = this.usingBrowserWebSocket ? protocols ? new WebSocket(uri, protocols) : new WebSocket(uri) : new WebSocket(uri, protocols, opts);
+	  } catch (err) {
+	    return this.emit('error', err);
+	  }
+
+	  if (this.ws.binaryType === undefined) {
+	    this.supportsBinary = false;
+	  }
+
+	  if (this.ws.supports && this.ws.supports.binary) {
+	    this.supportsBinary = true;
+	    this.ws.binaryType = 'nodebuffer';
+	  } else {
+	    this.ws.binaryType = 'arraybuffer';
+	  }
+
+	  this.addEventListeners();
+	};
+
+	/**
+	 * Adds event listeners to the socket
+	 *
+	 * @api private
+	 */
+
+	WS.prototype.addEventListeners = function () {
+	  var self = this;
+
+	  this.ws.onopen = function () {
+	    self.onOpen();
+	  };
+	  this.ws.onclose = function () {
+	    self.onClose();
+	  };
+	  this.ws.onmessage = function (ev) {
+	    self.onData(ev.data);
+	  };
+	  this.ws.onerror = function (e) {
+	    self.onError('websocket error', e);
+	  };
+	};
+
+	/**
+	 * Writes data to socket.
+	 *
+	 * @param {Array} array of packets.
+	 * @api private
+	 */
+
+	WS.prototype.write = function (packets) {
+	  var self = this;
+	  this.writable = false;
+
+	  // encodePacket efficient as it uses WS framing
+	  // no need for encodePayload
+	  var total = packets.length;
+	  for (var i = 0, l = total; i < l; i++) {
+	    (function (packet) {
+	      parser.encodePacket(packet, self.supportsBinary, function (data) {
+	        if (!self.usingBrowserWebSocket) {
+	          // always create a new object (GH-437)
+	          var opts = {};
+	          if (packet.options) {
+	            opts.compress = packet.options.compress;
+	          }
+
+	          if (self.perMessageDeflate) {
+	            var len = 'string' === typeof data ? global.Buffer.byteLength(data) : data.length;
+	            if (len < self.perMessageDeflate.threshold) {
+	              opts.compress = false;
+	            }
+	          }
+	        }
+
+	        // Sometimes the websocket has already been closed but the browser didn't
+	        // have a chance of informing us about it yet, in that case send will
+	        // throw an error
+	        try {
+	          if (self.usingBrowserWebSocket) {
+	            // TypeError is thrown when passing the second argument on Safari
+	            self.ws.send(data);
+	          } else {
+	            self.ws.send(data, opts);
+	          }
+	        } catch (e) {
+	          debug('websocket closed before onclose event');
+	        }
+
+	        --total || done();
+	      });
+	    })(packets[i]);
+	  }
+
+	  function done() {
+	    self.emit('flush');
+
+	    // fake drain
+	    // defer to next tick to allow Socket to clear writeBuffer
+	    setTimeout(function () {
+	      self.writable = true;
+	      self.emit('drain');
+	    }, 0);
+	  }
+	};
+
+	/**
+	 * Called upon close
+	 *
+	 * @api private
+	 */
+
+	WS.prototype.onClose = function () {
+	  Transport.prototype.onClose.call(this);
+	};
+
+	/**
+	 * Closes socket.
+	 *
+	 * @api private
+	 */
+
+	WS.prototype.doClose = function () {
+	  if (typeof this.ws !== 'undefined') {
+	    this.ws.close();
+	  }
+	};
+
+	/**
+	 * Generates uri for connection.
+	 *
+	 * @api private
+	 */
+
+	WS.prototype.uri = function () {
+	  var query = this.query || {};
+	  var schema = this.secure ? 'wss' : 'ws';
+	  var port = '';
+
+	  // avoid port if default for schema
+	  if (this.port && ('wss' === schema && Number(this.port) !== 443 || 'ws' === schema && Number(this.port) !== 80)) {
+	    port = ':' + this.port;
+	  }
+
+	  // append timestamp to URI
+	  if (this.timestampRequests) {
+	    query[this.timestampParam] = yeast();
+	  }
+
+	  // communicate binary support capabilities
+	  if (!this.supportsBinary) {
+	    query.b64 = 1;
+	  }
+
+	  query = parseqs.encode(query);
+
+	  // prepend ? to query
+	  if (query.length) {
+	    query = '?' + query;
+	  }
+
+	  var ipv6 = this.hostname.indexOf(':') !== -1;
+	  return schema + '://' + (ipv6 ? '[' + this.hostname + ']' : this.hostname) + port + this.path + query;
+	};
+
+	/**
+	 * Feature detection for WebSocket.
+	 *
+	 * @return {Boolean} whether this transport is available.
+	 * @api public
+	 */
+
+	WS.prototype.check = function () {
+	  return !!WebSocket && !('__initialize' in WebSocket && this.name === WS.prototype.name);
+	};
+	/* WEBPACK VAR INJECTION */}.call(exports, (function() { return this; }())))
+
+/***/ },
+/* 28 */
+/***/ function(module, exports) {
+
+	/* (ignored) */
+
+/***/ },
+/* 29 */
+/***/ function(module, exports) {
+
+	
+	var indexOf = [].indexOf;
+
+	module.exports = function(arr, obj){
+	  if (indexOf) return arr.indexOf(obj);
+	  for (var i = 0; i < arr.length; ++i) {
+	    if (arr[i] === obj) return i;
+	  }
+	  return -1;
+	};
+
+/***/ },
+/* 30 */
+/***/ function(module, exports) {
+
+	/**
+	 * Parses an URI
+	 *
+	 * @author Steven Levithan <stevenlevithan.com> (MIT license)
+	 * @api private
+	 */
+
+	var re = /^(?:(?![^:@]+:[^:@\/]*@)(http|https|ws|wss):\/\/)?((?:(([^:@]*)(?::([^:@]*))?)?@)?((?:[a-f0-9]{0,4}:){2,7}[a-f0-9]{0,4}|[^:\/?#]*)(?::(\d*))?)(((\/(?:[^?#](?![^?#\/]*\.[^?#\/.]+(?:[?#]|$)))*\/?)?([^?#\/]*))(?:\?([^#]*))?(?:#(.*))?)/;
+
+	var parts = [
+	    'source', 'protocol', 'authority', 'userInfo', 'user', 'password', 'host', 'port', 'relative', 'path', 'directory', 'file', 'query', 'anchor'
+	];
+
+	module.exports = function parseuri(str) {
+	    var src = str,
+	        b = str.indexOf('['),
+	        e = str.indexOf(']');
+
+	    if (b != -1 && e != -1) {
+	        str = str.substring(0, b) + str.substring(b, e).replace(/:/g, ';') + str.substring(e, str.length);
+	    }
+
+	    var m = re.exec(str || ''),
+	        uri = {},
+	        i = 14;
+
+	    while (i--) {
+	        uri[parts[i]] = m[i] || '';
+	    }
+
+	    if (b != -1 && e != -1) {
+	        uri.source = src;
+	        uri.host = uri.host.substring(1, uri.host.length - 1).replace(/;/g, ':');
+	        uri.authority = uri.authority.replace('[', '').replace(']', '').replace(/;/g, ':');
+	        uri.ipv6uri = true;
+	    }
+
+	    return uri;
+	};
+
+
+/***/ }
+/******/ ])
+});
+;

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+ 0 - 0
static/lib/socket.io.js


+ 5733 - 0
static/lib/sockjs.js

@@ -0,0 +1,5733 @@
+/* sockjs-client v1.1.4 | http://sockjs.org | MIT license */
+(function(f){if(typeof exports==="object"&&typeof module!=="undefined"){module.exports=f()}else if(typeof define==="function"&&define.amd){define([],f)}else{var g;if(typeof window!=="undefined"){g=window}else if(typeof global!=="undefined"){g=global}else if(typeof self!=="undefined"){g=self}else{g=this}g.SockJS = f()}})(function(){var define,module,exports;return (function e(t,n,r){function s(o,u){if(!n[o]){if(!t[o]){var a=typeof require=="function"&&require;if(!u&&a)return a(o,!0);if(i)return i(o,!0);var f=new Error("Cannot find module '"+o+"'");throw f.code="MODULE_NOT_FOUND",f}var l=n[o]={exports:{}};t[o][0].call(l.exports,function(e){var n=t[o][1][e];return s(n?n:e)},l,l.exports,e,t,n,r)}return n[o].exports}var i=typeof require=="function"&&require;for(var o=0;o<r.length;o++)s(r[o]);return s})({1:[function(require,module,exports){
+(function (global){
+'use strict';
+
+var transportList = require('./transport-list');
+
+module.exports = require('./main')(transportList);
+
+// TODO can't get rid of this until all servers do
+if ('_sockjs_onload' in global) {
+  setTimeout(global._sockjs_onload, 1);
+}
+
+}).call(this,typeof global !== "undefined" ? global : typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {})
+
+},{"./main":14,"./transport-list":16}],2:[function(require,module,exports){
+'use strict';
+
+var inherits = require('inherits')
+  , Event = require('./event')
+  ;
+
+function CloseEvent() {
+  Event.call(this);
+  this.initEvent('close', false, false);
+  this.wasClean = false;
+  this.code = 0;
+  this.reason = '';
+}
+
+inherits(CloseEvent, Event);
+
+module.exports = CloseEvent;
+
+},{"./event":4,"inherits":57}],3:[function(require,module,exports){
+'use strict';
+
+var inherits = require('inherits')
+  , EventTarget = require('./eventtarget')
+  ;
+
+function EventEmitter() {
+  EventTarget.call(this);
+}
+
+inherits(EventEmitter, EventTarget);
+
+EventEmitter.prototype.removeAllListeners = function(type) {
+  if (type) {
+    delete this._listeners[type];
+  } else {
+    this._listeners = {};
+  }
+};
+
+EventEmitter.prototype.once = function(type, listener) {
+  var self = this
+    , fired = false;
+
+  function g() {
+    self.removeListener(type, g);
+
+    if (!fired) {
+      fired = true;
+      listener.apply(this, arguments);
+    }
+  }
+
+  this.on(type, g);
+};
+
+EventEmitter.prototype.emit = function() {
+  var type = arguments[0];
+  var listeners = this._listeners[type];
+  if (!listeners) {
+    return;
+  }
+  // equivalent of Array.prototype.slice.call(arguments, 1);
+  var l = arguments.length;
+  var args = new Array(l - 1);
+  for (var ai = 1; ai < l; ai++) {
+    args[ai - 1] = arguments[ai];
+  }
+  for (var i = 0; i < listeners.length; i++) {
+    listeners[i].apply(this, args);
+  }
+};
+
+EventEmitter.prototype.on = EventEmitter.prototype.addListener = EventTarget.prototype.addEventListener;
+EventEmitter.prototype.removeListener = EventTarget.prototype.removeEventListener;
+
+module.exports.EventEmitter = EventEmitter;
+
+},{"./eventtarget":5,"inherits":57}],4:[function(require,module,exports){
+'use strict';
+
+function Event(eventType) {
+  this.type = eventType;
+}
+
+Event.prototype.initEvent = function(eventType, canBubble, cancelable) {
+  this.type = eventType;
+  this.bubbles = canBubble;
+  this.cancelable = cancelable;
+  this.timeStamp = +new Date();
+  return this;
+};
+
+Event.prototype.stopPropagation = function() {};
+Event.prototype.preventDefault = function() {};
+
+Event.CAPTURING_PHASE = 1;
+Event.AT_TARGET = 2;
+Event.BUBBLING_PHASE = 3;
+
+module.exports = Event;
+
+},{}],5:[function(require,module,exports){
+'use strict';
+
+/* Simplified implementation of DOM2 EventTarget.
+ *   http://www.w3.org/TR/DOM-Level-2-Events/events.html#Events-EventTarget
+ */
+
+function EventTarget() {
+  this._listeners = {};
+}
+
+EventTarget.prototype.addEventListener = function(eventType, listener) {
+  if (!(eventType in this._listeners)) {
+    this._listeners[eventType] = [];
+  }
+  var arr = this._listeners[eventType];
+  // #4
+  if (arr.indexOf(listener) === -1) {
+    // Make a copy so as not to interfere with a current dispatchEvent.
+    arr = arr.concat([listener]);
+  }
+  this._listeners[eventType] = arr;
+};
+
+EventTarget.prototype.removeEventListener = function(eventType, listener) {
+  var arr = this._listeners[eventType];
+  if (!arr) {
+    return;
+  }
+  var idx = arr.indexOf(listener);
+  if (idx !== -1) {
+    if (arr.length > 1) {
+      // Make a copy so as not to interfere with a current dispatchEvent.
+      this._listeners[eventType] = arr.slice(0, idx).concat(arr.slice(idx + 1));
+    } else {
+      delete this._listeners[eventType];
+    }
+    return;
+  }
+};
+
+EventTarget.prototype.dispatchEvent = function() {
+  var event = arguments[0];
+  var t = event.type;
+  // equivalent of Array.prototype.slice.call(arguments, 0);
+  var args = arguments.length === 1 ? [event] : Array.apply(null, arguments);
+  // TODO: This doesn't match the real behavior; per spec, onfoo get
+  // their place in line from the /first/ time they're set from
+  // non-null. Although WebKit bumps it to the end every time it's
+  // set.
+  if (this['on' + t]) {
+    this['on' + t].apply(this, args);
+  }
+  if (t in this._listeners) {
+    // Grab a reference to the listeners list. removeEventListener may alter the list.
+    var listeners = this._listeners[t];
+    for (var i = 0; i < listeners.length; i++) {
+      listeners[i].apply(this, args);
+    }
+  }
+};
+
+module.exports = EventTarget;
+
+},{}],6:[function(require,module,exports){
+'use strict';
+
+var inherits = require('inherits')
+  , Event = require('./event')
+  ;
+
+function TransportMessageEvent(data) {
+  Event.call(this);
+  this.initEvent('message', false, false);
+  this.data = data;
+}
+
+inherits(TransportMessageEvent, Event);
+
+module.exports = TransportMessageEvent;
+
+},{"./event":4,"inherits":57}],7:[function(require,module,exports){
+'use strict';
+
+var JSON3 = require('json3')
+  , iframeUtils = require('./utils/iframe')
+  ;
+
+function FacadeJS(transport) {
+  this._transport = transport;
+  transport.on('message', this._transportMessage.bind(this));
+  transport.on('close', this._transportClose.bind(this));
+}
+
+FacadeJS.prototype._transportClose = function(code, reason) {
+  iframeUtils.postMessage('c', JSON3.stringify([code, reason]));
+};
+FacadeJS.prototype._transportMessage = function(frame) {
+  iframeUtils.postMessage('t', frame);
+};
+FacadeJS.prototype._send = function(data) {
+  this._transport.send(data);
+};
+FacadeJS.prototype._close = function() {
+  this._transport.close();
+  this._transport.removeAllListeners();
+};
+
+module.exports = FacadeJS;
+
+},{"./utils/iframe":47,"json3":58}],8:[function(require,module,exports){
+(function (process){
+'use strict';
+
+var urlUtils = require('./utils/url')
+  , eventUtils = require('./utils/event')
+  , JSON3 = require('json3')
+  , FacadeJS = require('./facade')
+  , InfoIframeReceiver = require('./info-iframe-receiver')
+  , iframeUtils = require('./utils/iframe')
+  , loc = require('./location')
+  ;
+
+var debug = function() {};
+if (process.env.NODE_ENV !== 'production') {
+  debug = require('debug')('sockjs-client:iframe-bootstrap');
+}
+
+module.exports = function(SockJS, availableTransports) {
+  var transportMap = {};
+  availableTransports.forEach(function(at) {
+    if (at.facadeTransport) {
+      transportMap[at.facadeTransport.transportName] = at.facadeTransport;
+    }
+  });
+
+  // hard-coded for the info iframe
+  // TODO see if we can make this more dynamic
+  transportMap[InfoIframeReceiver.transportName] = InfoIframeReceiver;
+  var parentOrigin;
+
+  /* eslint-disable camelcase */
+  SockJS.bootstrap_iframe = function() {
+    /* eslint-enable camelcase */
+    var facade;
+    iframeUtils.currentWindowId = loc.hash.slice(1);
+    var onMessage = function(e) {
+      if (e.source !== parent) {
+        return;
+      }
+      if (typeof parentOrigin === 'undefined') {
+        parentOrigin = e.origin;
+      }
+      if (e.origin !== parentOrigin) {
+        return;
+      }
+
+      var iframeMessage;
+      try {
+        iframeMessage = JSON3.parse(e.data);
+      } catch (ignored) {
+        debug('bad json', e.data);
+        return;
+      }
+
+      if (iframeMessage.windowId !== iframeUtils.currentWindowId) {
+        return;
+      }
+      switch (iframeMessage.type) {
+      case 's':
+        var p;
+        try {
+          p = JSON3.parse(iframeMessage.data);
+        } catch (ignored) {
+          debug('bad json', iframeMessage.data);
+          break;
+        }
+        var version = p[0];
+        var transport = p[1];
+        var transUrl = p[2];
+        var baseUrl = p[3];
+        debug(version, transport, transUrl, baseUrl);
+        // change this to semver logic
+        if (version !== SockJS.version) {
+          throw new Error('Incompatible SockJS! Main site uses:' +
+                    ' "' + version + '", the iframe:' +
+                    ' "' + SockJS.version + '".');
+        }
+
+        if (!urlUtils.isOriginEqual(transUrl, loc.href) ||
+            !urlUtils.isOriginEqual(baseUrl, loc.href)) {
+          throw new Error('Can\'t connect to different domain from within an ' +
+                    'iframe. (' + loc.href + ', ' + transUrl + ', ' + baseUrl + ')');
+        }
+        facade = new FacadeJS(new transportMap[transport](transUrl, baseUrl));
+        break;
+      case 'm':
+        facade._send(iframeMessage.data);
+        break;
+      case 'c':
+        if (facade) {
+          facade._close();
+        }
+        facade = null;
+        break;
+      }
+    };
+
+    eventUtils.attachEvent('message', onMessage);
+
+    // Start
+    iframeUtils.postMessage('s');
+  };
+};
+
+}).call(this,{ env: {} })
+
+},{"./facade":7,"./info-iframe-receiver":10,"./location":13,"./utils/event":46,"./utils/iframe":47,"./utils/url":52,"debug":55,"json3":58}],9:[function(require,module,exports){
+(function (process){
+'use strict';
+
+var EventEmitter = require('events').EventEmitter
+  , inherits = require('inherits')
+  , JSON3 = require('json3')
+  , objectUtils = require('./utils/object')
+  ;
+
+var debug = function() {};
+if (process.env.NODE_ENV !== 'production') {
+  debug = require('debug')('sockjs-client:info-ajax');
+}
+
+function InfoAjax(url, AjaxObject) {
+  EventEmitter.call(this);
+
+  var self = this;
+  var t0 = +new Date();
+  this.xo = new AjaxObject('GET', url);
+
+  this.xo.once('finish', function(status, text) {
+    var info, rtt;
+    if (status === 200) {
+      rtt = (+new Date()) - t0;
+      if (text) {
+        try {
+          info = JSON3.parse(text);
+        } catch (e) {
+          debug('bad json', text);
+        }
+      }
+
+      if (!objectUtils.isObject(info)) {
+        info = {};
+      }
+    }
+    self.emit('finish', info, rtt);
+    self.removeAllListeners();
+  });
+}
+
+inherits(InfoAjax, EventEmitter);
+
+InfoAjax.prototype.close = function() {
+  this.removeAllListeners();
+  this.xo.close();
+};
+
+module.exports = InfoAjax;
+
+}).call(this,{ env: {} })
+
+},{"./utils/object":49,"debug":55,"events":3,"inherits":57,"json3":58}],10:[function(require,module,exports){
+'use strict';
+
+var inherits = require('inherits')
+  , EventEmitter = require('events').EventEmitter
+  , JSON3 = require('json3')
+  , XHRLocalObject = require('./transport/sender/xhr-local')
+  , InfoAjax = require('./info-ajax')
+  ;
+
+function InfoReceiverIframe(transUrl) {
+  var self = this;
+  EventEmitter.call(this);
+
+  this.ir = new InfoAjax(transUrl, XHRLocalObject);
+  this.ir.once('finish', function(info, rtt) {
+    self.ir = null;
+    self.emit('message', JSON3.stringify([info, rtt]));
+  });
+}
+
+inherits(InfoReceiverIframe, EventEmitter);
+
+InfoReceiverIframe.transportName = 'iframe-info-receiver';
+
+InfoReceiverIframe.prototype.close = function() {
+  if (this.ir) {
+    this.ir.close();
+    this.ir = null;
+  }
+  this.removeAllListeners();
+};
+
+module.exports = InfoReceiverIframe;
+
+},{"./info-ajax":9,"./transport/sender/xhr-local":37,"events":3,"inherits":57,"json3":58}],11:[function(require,module,exports){
+(function (process,global){
+'use strict';
+
+var EventEmitter = require('events').EventEmitter
+  , inherits = require('inherits')
+  , JSON3 = require('json3')
+  , utils = require('./utils/event')
+  , IframeTransport = require('./transport/iframe')
+  , InfoReceiverIframe = require('./info-iframe-receiver')
+  ;
+
+var debug = function() {};
+if (process.env.NODE_ENV !== 'production') {
+  debug = require('debug')('sockjs-client:info-iframe');
+}
+
+function InfoIframe(baseUrl, url) {
+  var self = this;
+  EventEmitter.call(this);
+
+  var go = function() {
+    var ifr = self.ifr = new IframeTransport(InfoReceiverIframe.transportName, url, baseUrl);
+
+    ifr.once('message', function(msg) {
+      if (msg) {
+        var d;
+        try {
+          d = JSON3.parse(msg);
+        } catch (e) {
+          debug('bad json', msg);
+          self.emit('finish');
+          self.close();
+          return;
+        }
+
+        var info = d[0], rtt = d[1];
+        self.emit('finish', info, rtt);
+      }
+      self.close();
+    });
+
+    ifr.once('close', function() {
+      self.emit('finish');
+      self.close();
+    });
+  };
+
+  // TODO this seems the same as the 'needBody' from transports
+  if (!global.document.body) {
+    utils.attachEvent('load', go);
+  } else {
+    go();
+  }
+}
+
+inherits(InfoIframe, EventEmitter);
+
+InfoIframe.enabled = function() {
+  return IframeTransport.enabled();
+};
+
+InfoIframe.prototype.close = function() {
+  if (this.ifr) {
+    this.ifr.close();
+  }
+  this.removeAllListeners();
+  this.ifr = null;
+};
+
+module.exports = InfoIframe;
+
+}).call(this,{ env: {} },typeof global !== "undefined" ? global : typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {})
+
+},{"./info-iframe-receiver":10,"./transport/iframe":22,"./utils/event":46,"debug":55,"events":3,"inherits":57,"json3":58}],12:[function(require,module,exports){
+(function (process){
+'use strict';
+
+var EventEmitter = require('events').EventEmitter
+  , inherits = require('inherits')
+  , urlUtils = require('./utils/url')
+  , XDR = require('./transport/sender/xdr')
+  , XHRCors = require('./transport/sender/xhr-cors')
+  , XHRLocal = require('./transport/sender/xhr-local')
+  , XHRFake = require('./transport/sender/xhr-fake')
+  , InfoIframe = require('./info-iframe')
+  , InfoAjax = require('./info-ajax')
+  ;
+
+var debug = function() {};
+if (process.env.NODE_ENV !== 'production') {
+  debug = require('debug')('sockjs-client:info-receiver');
+}
+
+function InfoReceiver(baseUrl, urlInfo) {
+  debug(baseUrl);
+  var self = this;
+  EventEmitter.call(this);
+
+  setTimeout(function() {
+    self.doXhr(baseUrl, urlInfo);
+  }, 0);
+}
+
+inherits(InfoReceiver, EventEmitter);
+
+// TODO this is currently ignoring the list of available transports and the whitelist
+
+InfoReceiver._getReceiver = function(baseUrl, url, urlInfo) {
+  // determine method of CORS support (if needed)
+  if (urlInfo.sameOrigin) {
+    return new InfoAjax(url, XHRLocal);
+  }
+  if (XHRCors.enabled) {
+    return new InfoAjax(url, XHRCors);
+  }
+  if (XDR.enabled && urlInfo.sameScheme) {
+    return new InfoAjax(url, XDR);
+  }
+  if (InfoIframe.enabled()) {
+    return new InfoIframe(baseUrl, url);
+  }
+  return new InfoAjax(url, XHRFake);
+};
+
+InfoReceiver.prototype.doXhr = function(baseUrl, urlInfo) {
+  var self = this
+    , url = urlUtils.addPath(baseUrl, '/info')
+    ;
+  debug('doXhr', url);
+
+  this.xo = InfoReceiver._getReceiver(baseUrl, url, urlInfo);
+
+  this.timeoutRef = setTimeout(function() {
+    debug('timeout');
+    self._cleanup(false);
+    self.emit('finish');
+  }, InfoReceiver.timeout);
+
+  this.xo.once('finish', function(info, rtt) {
+    debug('finish', info, rtt);
+    self._cleanup(true);
+    self.emit('finish', info, rtt);
+  });
+};
+
+InfoReceiver.prototype._cleanup = function(wasClean) {
+  debug('_cleanup');
+  clearTimeout(this.timeoutRef);
+  this.timeoutRef = null;
+  if (!wasClean && this.xo) {
+    this.xo.close();
+  }
+  this.xo = null;
+};
+
+InfoReceiver.prototype.close = function() {
+  debug('close');
+  this.removeAllListeners();
+  this._cleanup(false);
+};
+
+InfoReceiver.timeout = 8000;
+
+module.exports = InfoReceiver;
+
+}).call(this,{ env: {} })
+
+},{"./info-ajax":9,"./info-iframe":11,"./transport/sender/xdr":34,"./transport/sender/xhr-cors":35,"./transport/sender/xhr-fake":36,"./transport/sender/xhr-local":37,"./utils/url":52,"debug":55,"events":3,"inherits":57}],13:[function(require,module,exports){
+(function (global){
+'use strict';
+
+module.exports = global.location || {
+  origin: 'http://localhost:80'
+, protocol: 'http'
+, host: 'localhost'
+, port: 80
+, href: 'http://localhost/'
+, hash: ''
+};
+
+}).call(this,typeof global !== "undefined" ? global : typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {})
+
+},{}],14:[function(require,module,exports){
+(function (process,global){
+'use strict';
+
+require('./shims');
+
+var URL = require('url-parse')
+  , inherits = require('inherits')
+  , JSON3 = require('json3')
+  , random = require('./utils/random')
+  , escape = require('./utils/escape')
+  , urlUtils = require('./utils/url')
+  , eventUtils = require('./utils/event')
+  , transport = require('./utils/transport')
+  , objectUtils = require('./utils/object')
+  , browser = require('./utils/browser')
+  , log = require('./utils/log')
+  , Event = require('./event/event')
+  , EventTarget = require('./event/eventtarget')
+  , loc = require('./location')
+  , CloseEvent = require('./event/close')
+  , TransportMessageEvent = require('./event/trans-message')
+  , InfoReceiver = require('./info-receiver')
+  ;
+
+var debug = function() {};
+if (process.env.NODE_ENV !== 'production') {
+  debug = require('debug')('sockjs-client:main');
+}
+
+var transports;
+
+// follow constructor steps defined at http://dev.w3.org/html5/websockets/#the-websocket-interface
+function SockJS(url, protocols, options) {
+  if (!(this instanceof SockJS)) {
+    return new SockJS(url, protocols, options);
+  }
+  if (arguments.length < 1) {
+    throw new TypeError("Failed to construct 'SockJS: 1 argument required, but only 0 present");
+  }
+  EventTarget.call(this);
+
+  this.readyState = SockJS.CONNECTING;
+  this.extensions = '';
+  this.protocol = '';
+
+  // non-standard extension
+  options = options || {};
+  if (options.protocols_whitelist) {
+    log.warn("'protocols_whitelist' is DEPRECATED. Use 'transports' instead.");
+  }
+  this._transportsWhitelist = options.transports;
+  this._transportOptions = options.transportOptions || {};
+
+  var sessionId = options.sessionId || 8;
+  if (typeof sessionId === 'function') {
+    this._generateSessionId = sessionId;
+  } else if (typeof sessionId === 'number') {
+    this._generateSessionId = function() {
+      return random.string(sessionId);
+    };
+  } else {
+    throw new TypeError('If sessionId is used in the options, it needs to be a number or a function.');
+  }
+
+  this._server = options.server || random.numberString(1000);
+
+  // Step 1 of WS spec - parse and validate the url. Issue #8
+  var parsedUrl = new URL(url);
+  if (!parsedUrl.host || !parsedUrl.protocol) {
+    throw new SyntaxError("The URL '" + url + "' is invalid");
+  } else if (parsedUrl.hash) {
+    throw new SyntaxError('The URL must not contain a fragment');
+  } else if (parsedUrl.protocol !== 'http:' && parsedUrl.protocol !== 'https:') {
+    throw new SyntaxError("The URL's scheme must be either 'http:' or 'https:'. '" + parsedUrl.protocol + "' is not allowed.");
+  }
+
+  var secure = parsedUrl.protocol === 'https:';
+  // Step 2 - don't allow secure origin with an insecure protocol
+  if (loc.protocol === 'https' && !secure) {
+    throw new Error('SecurityError: An insecure SockJS connection may not be initiated from a page loaded over HTTPS');
+  }
+
+  // Step 3 - check port access - no need here
+  // Step 4 - parse protocols argument
+  if (!protocols) {
+    protocols = [];
+  } else if (!Array.isArray(protocols)) {
+    protocols = [protocols];
+  }
+
+  // Step 5 - check protocols argument
+  var sortedProtocols = protocols.sort();
+  sortedProtocols.forEach(function(proto, i) {
+    if (!proto) {
+      throw new SyntaxError("The protocols entry '" + proto + "' is invalid.");
+    }
+    if (i < (sortedProtocols.length - 1) && proto === sortedProtocols[i + 1]) {
+      throw new SyntaxError("The protocols entry '" + proto + "' is duplicated.");
+    }
+  });
+
+  // Step 6 - convert origin
+  var o = urlUtils.getOrigin(loc.href);
+  this._origin = o ? o.toLowerCase() : null;
+
+  // remove the trailing slash
+  parsedUrl.set('pathname', parsedUrl.pathname.replace(/\/+$/, ''));
+
+  // store the sanitized url
+  this.url = parsedUrl.href;
+  debug('using url', this.url);
+
+  // Step 7 - start connection in background
+  // obtain server info
+  // http://sockjs.github.io/sockjs-protocol/sockjs-protocol-0.3.3.html#section-26
+  this._urlInfo = {
+    nullOrigin: !browser.hasDomain()
+  , sameOrigin: urlUtils.isOriginEqual(this.url, loc.href)
+  , sameScheme: urlUtils.isSchemeEqual(this.url, loc.href)
+  };
+
+  this._ir = new InfoReceiver(this.url, this._urlInfo);
+  this._ir.once('finish', this._receiveInfo.bind(this));
+}
+
+inherits(SockJS, EventTarget);
+
+function userSetCode(code) {
+  return code === 1000 || (code >= 3000 && code <= 4999);
+}
+
+SockJS.prototype.close = function(code, reason) {
+  // Step 1
+  if (code && !userSetCode(code)) {
+    throw new Error('InvalidAccessError: Invalid code');
+  }
+  // Step 2.4 states the max is 123 bytes, but we are just checking length
+  if (reason && reason.length > 123) {
+    throw new SyntaxError('reason argument has an invalid length');
+  }
+
+  // Step 3.1
+  if (this.readyState === SockJS.CLOSING || this.readyState === SockJS.CLOSED) {
+    return;
+  }
+
+  // TODO look at docs to determine how to set this
+  var wasClean = true;
+  this._close(code || 1000, reason || 'Normal closure', wasClean);
+};
+
+SockJS.prototype.send = function(data) {
+  // #13 - convert anything non-string to string
+  // TODO this currently turns objects into [object Object]
+  if (typeof data !== 'string') {
+    data = '' + data;
+  }
+  if (this.readyState === SockJS.CONNECTING) {
+    throw new Error('InvalidStateError: The connection has not been established yet');
+  }
+  if (this.readyState !== SockJS.OPEN) {
+    return;
+  }
+  this._transport.send(escape.quote(data));
+};
+
+SockJS.version = require('./version');
+
+SockJS.CONNECTING = 0;
+SockJS.OPEN = 1;
+SockJS.CLOSING = 2;
+SockJS.CLOSED = 3;
+
+SockJS.prototype._receiveInfo = function(info, rtt) {
+  debug('_receiveInfo', rtt);
+  this._ir = null;
+  if (!info) {
+    this._close(1002, 'Cannot connect to server');
+    return;
+  }
+
+  // establish a round-trip timeout (RTO) based on the
+  // round-trip time (RTT)
+  this._rto = this.countRTO(rtt);
+  // allow server to override url used for the actual transport
+  this._transUrl = info.base_url ? info.base_url : this.url;
+  info = objectUtils.extend(info, this._urlInfo);
+  debug('info', info);
+  // determine list of desired and supported transports
+  var enabledTransports = transports.filterToEnabled(this._transportsWhitelist, info);
+  this._transports = enabledTransports.main;
+  debug(this._transports.length + ' enabled transports');
+
+  this._connect();
+};
+
+SockJS.prototype._connect = function() {
+  for (var Transport = this._transports.shift(); Transport; Transport = this._transports.shift()) {
+    debug('attempt', Transport.transportName);
+    if (Transport.needBody) {
+      if (!global.document.body ||
+          (typeof global.document.readyState !== 'undefined' &&
+            global.document.readyState !== 'complete' &&
+            global.document.readyState !== 'interactive')) {
+        debug('waiting for body');
+        this._transports.unshift(Transport);
+        eventUtils.attachEvent('load', this._connect.bind(this));
+        return;
+      }
+    }
+
+    // calculate timeout based on RTO and round trips. Default to 5s
+    var timeoutMs = (this._rto * Transport.roundTrips) || 5000;
+    this._transportTimeoutId = setTimeout(this._transportTimeout.bind(this), timeoutMs);
+    debug('using timeout', timeoutMs);
+
+    var transportUrl = urlUtils.addPath(this._transUrl, '/' + this._server + '/' + this._generateSessionId());
+    var options = this._transportOptions[Transport.transportName];
+    debug('transport url', transportUrl);
+    var transportObj = new Transport(transportUrl, this._transUrl, options);
+    transportObj.on('message', this._transportMessage.bind(this));
+    transportObj.once('close', this._transportClose.bind(this));
+    transportObj.transportName = Transport.transportName;
+    this._transport = transportObj;
+
+    return;
+  }
+  this._close(2000, 'All transports failed', false);
+};
+
+SockJS.prototype._transportTimeout = function() {
+  debug('_transportTimeout');
+  if (this.readyState === SockJS.CONNECTING) {
+    this._transportClose(2007, 'Transport timed out');
+  }
+};
+
+SockJS.prototype._transportMessage = function(msg) {
+  debug('_transportMessage', msg);
+  var self = this
+    , type = msg.slice(0, 1)
+    , content = msg.slice(1)
+    , payload
+    ;
+
+  // first check for messages that don't need a payload
+  switch (type) {
+    case 'o':
+      this._open();
+      return;
+    case 'h':
+      this.dispatchEvent(new Event('heartbeat'));
+      debug('heartbeat', this.transport);
+      return;
+  }
+
+  if (content) {
+    try {
+      payload = JSON3.parse(content);
+    } catch (e) {
+      debug('bad json', content);
+    }
+  }
+
+  if (typeof payload === 'undefined') {
+    debug('empty payload', content);
+    return;
+  }
+
+  switch (type) {
+    case 'a':
+      if (Array.isArray(payload)) {
+        payload.forEach(function(p) {
+          debug('message', self.transport, p);
+          self.dispatchEvent(new TransportMessageEvent(p));
+        });
+      }
+      break;
+    case 'm':
+      debug('message', this.transport, payload);
+      this.dispatchEvent(new TransportMessageEvent(payload));
+      break;
+    case 'c':
+      if (Array.isArray(payload) && payload.length === 2) {
+        this._close(payload[0], payload[1], true);
+      }
+      break;
+  }
+};
+
+SockJS.prototype._transportClose = function(code, reason) {
+  debug('_transportClose', this.transport, code, reason);
+  if (this._transport) {
+    this._transport.removeAllListeners();
+    this._transport = null;
+    this.transport = null;
+  }
+
+  if (!userSetCode(code) && code !== 2000 && this.readyState === SockJS.CONNECTING) {
+    this._connect();
+    return;
+  }
+
+  this._close(code, reason);
+};
+
+SockJS.prototype._open = function() {
+  debug('_open', this._transport.transportName, this.readyState);
+  if (this.readyState === SockJS.CONNECTING) {
+    if (this._transportTimeoutId) {
+      clearTimeout(this._transportTimeoutId);
+      this._transportTimeoutId = null;
+    }
+    this.readyState = SockJS.OPEN;
+    this.transport = this._transport.transportName;
+    this.dispatchEvent(new Event('open'));
+    debug('connected', this.transport);
+  } else {
+    // The server might have been restarted, and lost track of our
+    // connection.
+    this._close(1006, 'Server lost session');
+  }
+};
+
+SockJS.prototype._close = function(code, reason, wasClean) {
+  debug('_close', this.transport, code, reason, wasClean, this.readyState);
+  var forceFail = false;
+
+  if (this._ir) {
+    forceFail = true;
+    this._ir.close();
+    this._ir = null;
+  }
+  if (this._transport) {
+    this._transport.close();
+    this._transport = null;
+    this.transport = null;
+  }
+
+  if (this.readyState === SockJS.CLOSED) {
+    throw new Error('InvalidStateError: SockJS has already been closed');
+  }
+
+  this.readyState = SockJS.CLOSING;
+  setTimeout(function() {
+    this.readyState = SockJS.CLOSED;
+
+    if (forceFail) {
+      this.dispatchEvent(new Event('error'));
+    }
+
+    var e = new CloseEvent('close');
+    e.wasClean = wasClean || false;
+    e.code = code || 1000;
+    e.reason = reason;
+
+    this.dispatchEvent(e);
+    this.onmessage = this.onclose = this.onerror = null;
+    debug('disconnected');
+  }.bind(this), 0);
+};
+
+// See: http://www.erg.abdn.ac.uk/~gerrit/dccp/notes/ccid2/rto_estimator/
+// and RFC 2988.
+SockJS.prototype.countRTO = function(rtt) {
+  // In a local environment, when using IE8/9 and the `jsonp-polling`
+  // transport the time needed to establish a connection (the time that pass
+  // from the opening of the transport to the call of `_dispatchOpen`) is
+  // around 200msec (the lower bound used in the article above) and this
+  // causes spurious timeouts. For this reason we calculate a value slightly
+  // larger than that used in the article.
+  if (rtt > 100) {
+    return 4 * rtt; // rto > 400msec
+  }
+  return 300 + rtt; // 300msec < rto <= 400msec
+};
+
+module.exports = function(availableTransports) {
+  transports = transport(availableTransports);
+  require('./iframe-bootstrap')(SockJS, availableTransports);
+  return SockJS;
+};
+
+}).call(this,{ env: {} },typeof global !== "undefined" ? global : typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {})
+
+},{"./event/close":2,"./event/event":4,"./event/eventtarget":5,"./event/trans-message":6,"./iframe-bootstrap":8,"./info-receiver":12,"./location":13,"./shims":15,"./utils/browser":44,"./utils/escape":45,"./utils/event":46,"./utils/log":48,"./utils/object":49,"./utils/random":50,"./utils/transport":51,"./utils/url":52,"./version":53,"debug":55,"inherits":57,"json3":58,"url-parse":61}],15:[function(require,module,exports){
+/* eslint-disable */
+/* jscs: disable */
+'use strict';
+
+// pulled specific shims from https://github.com/es-shims/es5-shim
+
+var ArrayPrototype = Array.prototype;
+var ObjectPrototype = Object.prototype;
+var FunctionPrototype = Function.prototype;
+var StringPrototype = String.prototype;
+var array_slice = ArrayPrototype.slice;
+
+var _toString = ObjectPrototype.toString;
+var isFunction = function (val) {
+    return ObjectPrototype.toString.call(val) === '[object Function]';
+};
+var isArray = function isArray(obj) {
+    return _toString.call(obj) === '[object Array]';
+};
+var isString = function isString(obj) {
+    return _toString.call(obj) === '[object String]';
+};
+
+var supportsDescriptors = Object.defineProperty && (function () {
+    try {
+        Object.defineProperty({}, 'x', {});
+        return true;
+    } catch (e) { /* this is ES3 */
+        return false;
+    }
+}());
+
+// Define configurable, writable and non-enumerable props
+// if they don't exist.
+var defineProperty;
+if (supportsDescriptors) {
+    defineProperty = function (object, name, method, forceAssign) {
+        if (!forceAssign && (name in object)) { return; }
+        Object.defineProperty(object, name, {
+            configurable: true,
+            enumerable: false,
+            writable: true,
+            value: method
+        });
+    };
+} else {
+    defineProperty = function (object, name, method, forceAssign) {
+        if (!forceAssign && (name in object)) { return; }
+        object[name] = method;
+    };
+}
+var defineProperties = function (object, map, forceAssign) {
+    for (var name in map) {
+        if (ObjectPrototype.hasOwnProperty.call(map, name)) {
+          defineProperty(object, name, map[name], forceAssign);
+        }
+    }
+};
+
+var toObject = function (o) {
+    if (o == null) { // this matches both null and undefined
+        throw new TypeError("can't convert " + o + ' to object');
+    }
+    return Object(o);
+};
+
+//
+// Util
+// ======
+//
+
+// ES5 9.4
+// http://es5.github.com/#x9.4
+// http://jsperf.com/to-integer
+
+function toInteger(num) {
+    var n = +num;
+    if (n !== n) { // isNaN
+        n = 0;
+    } else if (n !== 0 && n !== (1 / 0) && n !== -(1 / 0)) {
+        n = (n > 0 || -1) * Math.floor(Math.abs(n));
+    }
+    return n;
+}
+
+function ToUint32(x) {
+    return x >>> 0;
+}
+
+//
+// Function
+// ========
+//
+
+// ES-5 15.3.4.5
+// http://es5.github.com/#x15.3.4.5
+
+function Empty() {}
+
+defineProperties(FunctionPrototype, {
+    bind: function bind(that) { // .length is 1
+        // 1. Let Target be the this value.
+        var target = this;
+        // 2. If IsCallable(Target) is false, throw a TypeError exception.
+        if (!isFunction(target)) {
+            throw new TypeError('Function.prototype.bind called on incompatible ' + target);
+        }
+        // 3. Let A be a new (possibly empty) internal list of all of the
+        //   argument values provided after thisArg (arg1, arg2 etc), in order.
+        // XXX slicedArgs will stand in for "A" if used
+        var args = array_slice.call(arguments, 1); // for normal call
+        // 4. Let F be a new native ECMAScript object.
+        // 11. Set the [[Prototype]] internal property of F to the standard
+        //   built-in Function prototype object as specified in 15.3.3.1.
+        // 12. Set the [[Call]] internal property of F as described in
+        //   15.3.4.5.1.
+        // 13. Set the [[Construct]] internal property of F as described in
+        //   15.3.4.5.2.
+        // 14. Set the [[HasInstance]] internal property of F as described in
+        //   15.3.4.5.3.
+        var binder = function () {
+
+            if (this instanceof bound) {
+                // 15.3.4.5.2 [[Construct]]
+                // When the [[Construct]] internal method of a function object,
+                // F that was created using the bind function is called with a
+                // list of arguments ExtraArgs, the following steps are taken:
+                // 1. Let target be the value of F's [[TargetFunction]]
+                //   internal property.
+                // 2. If target has no [[Construct]] internal method, a
+                //   TypeError exception is thrown.
+                // 3. Let boundArgs be the value of F's [[BoundArgs]] internal
+                //   property.
+                // 4. Let args be a new list containing the same values as the
+                //   list boundArgs in the same order followed by the same
+                //   values as the list ExtraArgs in the same order.
+                // 5. Return the result of calling the [[Construct]] internal
+                //   method of target providing args as the arguments.
+
+                var result = target.apply(
+                    this,
+                    args.concat(array_slice.call(arguments))
+                );
+                if (Object(result) === result) {
+                    return result;
+                }
+                return this;
+
+            } else {
+                // 15.3.4.5.1 [[Call]]
+                // When the [[Call]] internal method of a function object, F,
+                // which was created using the bind function is called with a
+                // this value and a list of arguments ExtraArgs, the following
+                // steps are taken:
+                // 1. Let boundArgs be the value of F's [[BoundArgs]] internal
+                //   property.
+                // 2. Let boundThis be the value of F's [[BoundThis]] internal
+                //   property.
+                // 3. Let target be the value of F's [[TargetFunction]] internal
+                //   property.
+                // 4. Let args be a new list containing the same values as the
+                //   list boundArgs in the same order followed by the same
+                //   values as the list ExtraArgs in the same order.
+                // 5. Return the result of calling the [[Call]] internal method
+                //   of target providing boundThis as the this value and
+                //   providing args as the arguments.
+
+                // equiv: target.call(this, ...boundArgs, ...args)
+                return target.apply(
+                    that,
+                    args.concat(array_slice.call(arguments))
+                );
+
+            }
+
+        };
+
+        // 15. If the [[Class]] internal property of Target is "Function", then
+        //     a. Let L be the length property of Target minus the length of A.
+        //     b. Set the length own property of F to either 0 or L, whichever is
+        //       larger.
+        // 16. Else set the length own property of F to 0.
+
+        var boundLength = Math.max(0, target.length - args.length);
+
+        // 17. Set the attributes of the length own property of F to the values
+        //   specified in 15.3.5.1.
+        var boundArgs = [];
+        for (var i = 0; i < boundLength; i++) {
+            boundArgs.push('$' + i);
+        }
+
+        // XXX Build a dynamic function with desired amount of arguments is the only
+        // way to set the length property of a function.
+        // In environments where Content Security Policies enabled (Chrome extensions,
+        // for ex.) all use of eval or Function costructor throws an exception.
+        // However in all of these environments Function.prototype.bind exists
+        // and so this code will never be executed.
+        var bound = Function('binder', 'return function (' + boundArgs.join(',') + '){ return binder.apply(this, arguments); }')(binder);
+
+        if (target.prototype) {
+            Empty.prototype = target.prototype;
+            bound.prototype = new Empty();
+            // Clean up dangling references.
+            Empty.prototype = null;
+        }
+
+        // TODO
+        // 18. Set the [[Extensible]] internal property of F to true.
+
+        // TODO
+        // 19. Let thrower be the [[ThrowTypeError]] function Object (13.2.3).
+        // 20. Call the [[DefineOwnProperty]] internal method of F with
+        //   arguments "caller", PropertyDescriptor {[[Get]]: thrower, [[Set]]:
+        //   thrower, [[Enumerable]]: false, [[Configurable]]: false}, and
+        //   false.
+        // 21. Call the [[DefineOwnProperty]] internal method of F with
+        //   arguments "arguments", PropertyDescriptor {[[Get]]: thrower,
+        //   [[Set]]: thrower, [[Enumerable]]: false, [[Configurable]]: false},
+        //   and false.
+
+        // TODO
+        // NOTE Function objects created using Function.prototype.bind do not
+        // have a prototype property or the [[Code]], [[FormalParameters]], and
+        // [[Scope]] internal properties.
+        // XXX can't delete prototype in pure-js.
+
+        // 22. Return F.
+        return bound;
+    }
+});
+
+//
+// Array
+// =====
+//
+
+// ES5 15.4.3.2
+// http://es5.github.com/#x15.4.3.2
+// https://developer.mozilla.org/en/JavaScript/Reference/Global_Objects/Array/isArray
+defineProperties(Array, { isArray: isArray });
+
+
+var boxedString = Object('a');
+var splitString = boxedString[0] !== 'a' || !(0 in boxedString);
+
+var properlyBoxesContext = function properlyBoxed(method) {
+    // Check node 0.6.21 bug where third parameter is not boxed
+    var properlyBoxesNonStrict = true;
+    var properlyBoxesStrict = true;
+    if (method) {
+        method.call('foo', function (_, __, context) {
+            if (typeof context !== 'object') { properlyBoxesNonStrict = false; }
+        });
+
+        method.call([1], function () {
+            'use strict';
+            properlyBoxesStrict = typeof this === 'string';
+        }, 'x');
+    }
+    return !!method && properlyBoxesNonStrict && properlyBoxesStrict;
+};
+
+defineProperties(ArrayPrototype, {
+    forEach: function forEach(fun /*, thisp*/) {
+        var object = toObject(this),
+            self = splitString && isString(this) ? this.split('') : object,
+            thisp = arguments[1],
+            i = -1,
+            length = self.length >>> 0;
+
+        // If no callback function or if callback is not a callable function
+        if (!isFunction(fun)) {
+            throw new TypeError(); // TODO message
+        }
+
+        while (++i < length) {
+            if (i in self) {
+                // Invoke the callback function with call, passing arguments:
+                // context, property value, property key, thisArg object
+                // context
+                fun.call(thisp, self[i], i, object);
+            }
+        }
+    }
+}, !properlyBoxesContext(ArrayPrototype.forEach));
+
+// ES5 15.4.4.14
+// http://es5.github.com/#x15.4.4.14
+// https://developer.mozilla.org/en/JavaScript/Reference/Global_Objects/Array/indexOf
+var hasFirefox2IndexOfBug = Array.prototype.indexOf && [0, 1].indexOf(1, 2) !== -1;
+defineProperties(ArrayPrototype, {
+    indexOf: function indexOf(sought /*, fromIndex */ ) {
+        var self = splitString && isString(this) ? this.split('') : toObject(this),
+            length = self.length >>> 0;
+
+        if (!length) {
+            return -1;
+        }
+
+        var i = 0;
+        if (arguments.length > 1) {
+            i = toInteger(arguments[1]);
+        }
+
+        // handle negative indices
+        i = i >= 0 ? i : Math.max(0, length + i);
+        for (; i < length; i++) {
+            if (i in self && self[i] === sought) {
+                return i;
+            }
+        }
+        return -1;
+    }
+}, hasFirefox2IndexOfBug);
+
+//
+// String
+// ======
+//
+
+// ES5 15.5.4.14
+// http://es5.github.com/#x15.5.4.14
+
+// [bugfix, IE lt 9, firefox 4, Konqueror, Opera, obscure browsers]
+// Many browsers do not split properly with regular expressions or they
+// do not perform the split correctly under obscure conditions.
+// See http://blog.stevenlevithan.com/archives/cross-browser-split
+// I've tested in many browsers and this seems to cover the deviant ones:
+//    'ab'.split(/(?:ab)*/) should be ["", ""], not [""]
+//    '.'.split(/(.?)(.?)/) should be ["", ".", "", ""], not ["", ""]
+//    'tesst'.split(/(s)*/) should be ["t", undefined, "e", "s", "t"], not
+//       [undefined, "t", undefined, "e", ...]
+//    ''.split(/.?/) should be [], not [""]
+//    '.'.split(/()()/) should be ["."], not ["", "", "."]
+
+var string_split = StringPrototype.split;
+if (
+    'ab'.split(/(?:ab)*/).length !== 2 ||
+    '.'.split(/(.?)(.?)/).length !== 4 ||
+    'tesst'.split(/(s)*/)[1] === 't' ||
+    'test'.split(/(?:)/, -1).length !== 4 ||
+    ''.split(/.?/).length ||
+    '.'.split(/()()/).length > 1
+) {
+    (function () {
+        var compliantExecNpcg = /()??/.exec('')[1] === void 0; // NPCG: nonparticipating capturing group
+
+        StringPrototype.split = function (separator, limit) {
+            var string = this;
+            if (separator === void 0 && limit === 0) {
+                return [];
+            }
+
+            // If `separator` is not a regex, use native split
+            if (_toString.call(separator) !== '[object RegExp]') {
+                return string_split.call(this, separator, limit);
+            }
+
+            var output = [],
+                flags = (separator.ignoreCase ? 'i' : '') +
+                        (separator.multiline  ? 'm' : '') +
+                        (separator.extended   ? 'x' : '') + // Proposed for ES6
+                        (separator.sticky     ? 'y' : ''), // Firefox 3+
+                lastLastIndex = 0,
+                // Make `global` and avoid `lastIndex` issues by working with a copy
+                separator2, match, lastIndex, lastLength;
+            separator = new RegExp(separator.source, flags + 'g');
+            string += ''; // Type-convert
+            if (!compliantExecNpcg) {
+                // Doesn't need flags gy, but they don't hurt
+                separator2 = new RegExp('^' + separator.source + '$(?!\\s)', flags);
+            }
+            /* Values for `limit`, per the spec:
+             * If undefined: 4294967295 // Math.pow(2, 32) - 1
+             * If 0, Infinity, or NaN: 0
+             * If positive number: limit = Math.floor(limit); if (limit > 4294967295) limit -= 4294967296;
+             * If negative number: 4294967296 - Math.floor(Math.abs(limit))
+             * If other: Type-convert, then use the above rules
+             */
+            limit = limit === void 0 ?
+                -1 >>> 0 : // Math.pow(2, 32) - 1
+                ToUint32(limit);
+            while (match = separator.exec(string)) {
+                // `separator.lastIndex` is not reliable cross-browser
+                lastIndex = match.index + match[0].length;
+                if (lastIndex > lastLastIndex) {
+                    output.push(string.slice(lastLastIndex, match.index));
+                    // Fix browsers whose `exec` methods don't consistently return `undefined` for
+                    // nonparticipating capturing groups
+                    if (!compliantExecNpcg && match.length > 1) {
+                        match[0].replace(separator2, function () {
+                            for (var i = 1; i < arguments.length - 2; i++) {
+                                if (arguments[i] === void 0) {
+                                    match[i] = void 0;
+                                }
+                            }
+                        });
+                    }
+                    if (match.length > 1 && match.index < string.length) {
+                        ArrayPrototype.push.apply(output, match.slice(1));
+                    }
+                    lastLength = match[0].length;
+                    lastLastIndex = lastIndex;
+                    if (output.length >= limit) {
+                        break;
+                    }
+                }
+                if (separator.lastIndex === match.index) {
+                    separator.lastIndex++; // Avoid an infinite loop
+                }
+            }
+            if (lastLastIndex === string.length) {
+                if (lastLength || !separator.test('')) {
+                    output.push('');
+                }
+            } else {
+                output.push(string.slice(lastLastIndex));
+            }
+            return output.length > limit ? output.slice(0, limit) : output;
+        };
+    }());
+
+// [bugfix, chrome]
+// If separator is undefined, then the result array contains just one String,
+// which is the this value (converted to a String). If limit is not undefined,
+// then the output array is truncated so that it contains no more than limit
+// elements.
+// "0".split(undefined, 0) -> []
+} else if ('0'.split(void 0, 0).length) {
+    StringPrototype.split = function split(separator, limit) {
+        if (separator === void 0 && limit === 0) { return []; }
+        return string_split.call(this, separator, limit);
+    };
+}
+
+// ECMA-262, 3rd B.2.3
+// Not an ECMAScript standard, although ECMAScript 3rd Edition has a
+// non-normative section suggesting uniform semantics and it should be
+// normalized across all browsers
+// [bugfix, IE lt 9] IE < 9 substr() with negative value not working in IE
+var string_substr = StringPrototype.substr;
+var hasNegativeSubstrBug = ''.substr && '0b'.substr(-1) !== 'b';
+defineProperties(StringPrototype, {
+    substr: function substr(start, length) {
+        return string_substr.call(
+            this,
+            start < 0 ? ((start = this.length + start) < 0 ? 0 : start) : start,
+            length
+        );
+    }
+}, hasNegativeSubstrBug);
+
+},{}],16:[function(require,module,exports){
+'use strict';
+
+module.exports = [
+  // streaming transports
+  require('./transport/websocket')
+, require('./transport/xhr-streaming')
+, require('./transport/xdr-streaming')
+, require('./transport/eventsource')
+, require('./transport/lib/iframe-wrap')(require('./transport/eventsource'))
+
+  // polling transports
+, require('./transport/htmlfile')
+, require('./transport/lib/iframe-wrap')(require('./transport/htmlfile'))
+, require('./transport/xhr-polling')
+, require('./transport/xdr-polling')
+, require('./transport/lib/iframe-wrap')(require('./transport/xhr-polling'))
+, require('./transport/jsonp-polling')
+];
+
+},{"./transport/eventsource":20,"./transport/htmlfile":21,"./transport/jsonp-polling":23,"./transport/lib/iframe-wrap":26,"./transport/websocket":38,"./transport/xdr-polling":39,"./transport/xdr-streaming":40,"./transport/xhr-polling":41,"./transport/xhr-streaming":42}],17:[function(require,module,exports){
+(function (process,global){
+'use strict';
+
+var EventEmitter = require('events').EventEmitter
+  , inherits = require('inherits')
+  , utils = require('../../utils/event')
+  , urlUtils = require('../../utils/url')
+  , XHR = global.XMLHttpRequest
+  ;
+
+var debug = function() {};
+if (process.env.NODE_ENV !== 'production') {
+  debug = require('debug')('sockjs-client:browser:xhr');
+}
+
+function AbstractXHRObject(method, url, payload, opts) {
+  debug(method, url);
+  var self = this;
+  EventEmitter.call(this);
+
+  setTimeout(function () {
+    self._start(method, url, payload, opts);
+  }, 0);
+}
+
+inherits(AbstractXHRObject, EventEmitter);
+
+AbstractXHRObject.prototype._start = function(method, url, payload, opts) {
+  var self = this;
+
+  try {
+    this.xhr = new XHR();
+  } catch (x) {
+    // intentionally empty
+  }
+
+  if (!this.xhr) {
+    debug('no xhr');
+    this.emit('finish', 0, 'no xhr support');
+    this._cleanup();
+    return;
+  }
+
+  // several browsers cache POSTs
+  url = urlUtils.addQuery(url, 't=' + (+new Date()));
+
+  // Explorer tends to keep connection open, even after the
+  // tab gets closed: http://bugs.jquery.com/ticket/5280
+  this.unloadRef = utils.unloadAdd(function() {
+    debug('unload cleanup');
+    self._cleanup(true);
+  });
+  try {
+    this.xhr.open(method, url, true);
+    if (this.timeout && 'timeout' in this.xhr) {
+      this.xhr.timeout = this.timeout;
+      this.xhr.ontimeout = function() {
+        debug('xhr timeout');
+        self.emit('finish', 0, '');
+        self._cleanup(false);
+      };
+    }
+  } catch (e) {
+    debug('exception', e);
+    // IE raises an exception on wrong port.
+    this.emit('finish', 0, '');
+    this._cleanup(false);
+    return;
+  }
+
+  if ((!opts || !opts.noCredentials) && AbstractXHRObject.supportsCORS) {
+    debug('withCredentials');
+    // Mozilla docs says https://developer.mozilla.org/en/XMLHttpRequest :
+    // "This never affects same-site requests."
+
+    this.xhr.withCredentials = 'true';
+  }
+  if (opts && opts.headers) {
+    for (var key in opts.headers) {
+      this.xhr.setRequestHeader(key, opts.headers[key]);
+    }
+  }
+
+  this.xhr.onreadystatechange = function() {
+    if (self.xhr) {
+      var x = self.xhr;
+      var text, status;
+      debug('readyState', x.readyState);
+      switch (x.readyState) {
+      case 3:
+        // IE doesn't like peeking into responseText or status
+        // on Microsoft.XMLHTTP and readystate=3
+        try {
+          status = x.status;
+          text = x.responseText;
+        } catch (e) {
+          // intentionally empty
+        }
+        debug('status', status);
+        // IE returns 1223 for 204: http://bugs.jquery.com/ticket/1450
+        if (status === 1223) {
+          status = 204;
+        }
+
+        // IE does return readystate == 3 for 404 answers.
+        if (status === 200 && text && text.length > 0) {
+          debug('chunk');
+          self.emit('chunk', status, text);
+        }
+        break;
+      case 4:
+        status = x.status;
+        debug('status', status);
+        // IE returns 1223 for 204: http://bugs.jquery.com/ticket/1450
+        if (status === 1223) {
+          status = 204;
+        }
+        // IE returns this for a bad port
+        // http://msdn.microsoft.com/en-us/library/windows/desktop/aa383770(v=vs.85).aspx
+        if (status === 12005 || status === 12029) {
+          status = 0;
+        }
+
+        debug('finish', status, x.responseText);
+        self.emit('finish', status, x.responseText);
+        self._cleanup(false);
+        break;
+      }
+    }
+  };
+
+  try {
+    self.xhr.send(payload);
+  } catch (e) {
+    self.emit('finish', 0, '');
+    self._cleanup(false);
+  }
+};
+
+AbstractXHRObject.prototype._cleanup = function(abort) {
+  debug('cleanup');
+  if (!this.xhr) {
+    return;
+  }
+  this.removeAllListeners();
+  utils.unloadDel(this.unloadRef);
+
+  // IE needs this field to be a function
+  this.xhr.onreadystatechange = function() {};
+  if (this.xhr.ontimeout) {
+    this.xhr.ontimeout = null;
+  }
+
+  if (abort) {
+    try {
+      this.xhr.abort();
+    } catch (x) {
+      // intentionally empty
+    }
+  }
+  this.unloadRef = this.xhr = null;
+};
+
+AbstractXHRObject.prototype.close = function() {
+  debug('close');
+  this._cleanup(true);
+};
+
+AbstractXHRObject.enabled = !!XHR;
+// override XMLHttpRequest for IE6/7
+// obfuscate to avoid firewalls
+var axo = ['Active'].concat('Object').join('X');
+if (!AbstractXHRObject.enabled && (axo in global)) {
+  debug('overriding xmlhttprequest');
+  XHR = function() {
+    try {
+      return new global[axo]('Microsoft.XMLHTTP');
+    } catch (e) {
+      return null;
+    }
+  };
+  AbstractXHRObject.enabled = !!new XHR();
+}
+
+var cors = false;
+try {
+  cors = 'withCredentials' in new XHR();
+} catch (ignored) {
+  // intentionally empty
+}
+
+AbstractXHRObject.supportsCORS = cors;
+
+module.exports = AbstractXHRObject;
+
+}).call(this,{ env: {} },typeof global !== "undefined" ? global : typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {})
+
+},{"../../utils/event":46,"../../utils/url":52,"debug":55,"events":3,"inherits":57}],18:[function(require,module,exports){
+(function (global){
+module.exports = global.EventSource;
+
+}).call(this,typeof global !== "undefined" ? global : typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {})
+
+},{}],19:[function(require,module,exports){
+(function (global){
+'use strict';
+
+var Driver = global.WebSocket || global.MozWebSocket;
+if (Driver) {
+	module.exports = function WebSocketBrowserDriver(url) {
+		return new Driver(url);
+	};
+} else {
+	module.exports = undefined;
+}
+
+}).call(this,typeof global !== "undefined" ? global : typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {})
+
+},{}],20:[function(require,module,exports){
+'use strict';
+
+var inherits = require('inherits')
+  , AjaxBasedTransport = require('./lib/ajax-based')
+  , EventSourceReceiver = require('./receiver/eventsource')
+  , XHRCorsObject = require('./sender/xhr-cors')
+  , EventSourceDriver = require('eventsource')
+  ;
+
+function EventSourceTransport(transUrl) {
+  if (!EventSourceTransport.enabled()) {
+    throw new Error('Transport created when disabled');
+  }
+
+  AjaxBasedTransport.call(this, transUrl, '/eventsource', EventSourceReceiver, XHRCorsObject);
+}
+
+inherits(EventSourceTransport, AjaxBasedTransport);
+
+EventSourceTransport.enabled = function() {
+  return !!EventSourceDriver;
+};
+
+EventSourceTransport.transportName = 'eventsource';
+EventSourceTransport.roundTrips = 2;
+
+module.exports = EventSourceTransport;
+
+},{"./lib/ajax-based":24,"./receiver/eventsource":29,"./sender/xhr-cors":35,"eventsource":18,"inherits":57}],21:[function(require,module,exports){
+'use strict';
+
+var inherits = require('inherits')
+  , HtmlfileReceiver = require('./receiver/htmlfile')
+  , XHRLocalObject = require('./sender/xhr-local')
+  , AjaxBasedTransport = require('./lib/ajax-based')
+  ;
+
+function HtmlFileTransport(transUrl) {
+  if (!HtmlfileReceiver.enabled) {
+    throw new Error('Transport created when disabled');
+  }
+  AjaxBasedTransport.call(this, transUrl, '/htmlfile', HtmlfileReceiver, XHRLocalObject);
+}
+
+inherits(HtmlFileTransport, AjaxBasedTransport);
+
+HtmlFileTransport.enabled = function(info) {
+  return HtmlfileReceiver.enabled && info.sameOrigin;
+};
+
+HtmlFileTransport.transportName = 'htmlfile';
+HtmlFileTransport.roundTrips = 2;
+
+module.exports = HtmlFileTransport;
+
+},{"./lib/ajax-based":24,"./receiver/htmlfile":30,"./sender/xhr-local":37,"inherits":57}],22:[function(require,module,exports){
+(function (process){
+'use strict';
+
+// Few cool transports do work only for same-origin. In order to make
+// them work cross-domain we shall use iframe, served from the
+// remote domain. New browsers have capabilities to communicate with
+// cross domain iframe using postMessage(). In IE it was implemented
+// from IE 8+, but of course, IE got some details wrong:
+//    http://msdn.microsoft.com/en-us/library/cc197015(v=VS.85).aspx
+//    http://stevesouders.com/misc/test-postmessage.php
+
+var inherits = require('inherits')
+  , JSON3 = require('json3')
+  , EventEmitter = require('events').EventEmitter
+  , version = require('../version')
+  , urlUtils = require('../utils/url')
+  , iframeUtils = require('../utils/iframe')
+  , eventUtils = require('../utils/event')
+  , random = require('../utils/random')
+  ;
+
+var debug = function() {};
+if (process.env.NODE_ENV !== 'production') {
+  debug = require('debug')('sockjs-client:transport:iframe');
+}
+
+function IframeTransport(transport, transUrl, baseUrl) {
+  if (!IframeTransport.enabled()) {
+    throw new Error('Transport created when disabled');
+  }
+  EventEmitter.call(this);
+
+  var self = this;
+  this.origin = urlUtils.getOrigin(baseUrl);
+  this.baseUrl = baseUrl;
+  this.transUrl = transUrl;
+  this.transport = transport;
+  this.windowId = random.string(8);
+
+  var iframeUrl = urlUtils.addPath(baseUrl, '/iframe.html') + '#' + this.windowId;
+  debug(transport, transUrl, iframeUrl);
+
+  this.iframeObj = iframeUtils.createIframe(iframeUrl, function(r) {
+    debug('err callback');
+    self.emit('close', 1006, 'Unable to load an iframe (' + r + ')');
+    self.close();
+  });
+
+  this.onmessageCallback = this._message.bind(this);
+  eventUtils.attachEvent('message', this.onmessageCallback);
+}
+
+inherits(IframeTransport, EventEmitter);
+
+IframeTransport.prototype.close = function() {
+  debug('close');
+  this.removeAllListeners();
+  if (this.iframeObj) {
+    eventUtils.detachEvent('message', this.onmessageCallback);
+    try {
+      // When the iframe is not loaded, IE raises an exception
+      // on 'contentWindow'.
+      this.postMessage('c');
+    } catch (x) {
+      // intentionally empty
+    }
+    this.iframeObj.cleanup();
+    this.iframeObj = null;
+    this.onmessageCallback = this.iframeObj = null;
+  }
+};
+
+IframeTransport.prototype._message = function(e) {
+  debug('message', e.data);
+  if (!urlUtils.isOriginEqual(e.origin, this.origin)) {
+    debug('not same origin', e.origin, this.origin);
+    return;
+  }
+
+  var iframeMessage;
+  try {
+    iframeMessage = JSON3.parse(e.data);
+  } catch (ignored) {
+    debug('bad json', e.data);
+    return;
+  }
+
+  if (iframeMessage.windowId !== this.windowId) {
+    debug('mismatched window id', iframeMessage.windowId, this.windowId);
+    return;
+  }
+
+  switch (iframeMessage.type) {
+  case 's':
+    this.iframeObj.loaded();
+    // window global dependency
+    this.postMessage('s', JSON3.stringify([
+      version
+    , this.transport
+    , this.transUrl
+    , this.baseUrl
+    ]));
+    break;
+  case 't':
+    this.emit('message', iframeMessage.data);
+    break;
+  case 'c':
+    var cdata;
+    try {
+      cdata = JSON3.parse(iframeMessage.data);
+    } catch (ignored) {
+      debug('bad json', iframeMessage.data);
+      return;
+    }
+    this.emit('close', cdata[0], cdata[1]);
+    this.close();
+    break;
+  }
+};
+
+IframeTransport.prototype.postMessage = function(type, data) {
+  debug('postMessage', type, data);
+  this.iframeObj.post(JSON3.stringify({
+    windowId: this.windowId
+  , type: type
+  , data: data || ''
+  }), this.origin);
+};
+
+IframeTransport.prototype.send = function(message) {
+  debug('send', message);
+  this.postMessage('m', message);
+};
+
+IframeTransport.enabled = function() {
+  return iframeUtils.iframeEnabled;
+};
+
+IframeTransport.transportName = 'iframe';
+IframeTransport.roundTrips = 2;
+
+module.exports = IframeTransport;
+
+}).call(this,{ env: {} })
+
+},{"../utils/event":46,"../utils/iframe":47,"../utils/random":50,"../utils/url":52,"../version":53,"debug":55,"events":3,"inherits":57,"json3":58}],23:[function(require,module,exports){
+(function (global){
+'use strict';
+
+// The simplest and most robust transport, using the well-know cross
+// domain hack - JSONP. This transport is quite inefficient - one
+// message could use up to one http request. But at least it works almost
+// everywhere.
+// Known limitations:
+//   o you will get a spinning cursor
+//   o for Konqueror a dumb timer is needed to detect errors
+
+var inherits = require('inherits')
+  , SenderReceiver = require('./lib/sender-receiver')
+  , JsonpReceiver = require('./receiver/jsonp')
+  , jsonpSender = require('./sender/jsonp')
+  ;
+
+function JsonPTransport(transUrl) {
+  if (!JsonPTransport.enabled()) {
+    throw new Error('Transport created when disabled');
+  }
+  SenderReceiver.call(this, transUrl, '/jsonp', jsonpSender, JsonpReceiver);
+}
+
+inherits(JsonPTransport, SenderReceiver);
+
+JsonPTransport.enabled = function() {
+  return !!global.document;
+};
+
+JsonPTransport.transportName = 'jsonp-polling';
+JsonPTransport.roundTrips = 1;
+JsonPTransport.needBody = true;
+
+module.exports = JsonPTransport;
+
+}).call(this,typeof global !== "undefined" ? global : typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {})
+
+},{"./lib/sender-receiver":28,"./receiver/jsonp":31,"./sender/jsonp":33,"inherits":57}],24:[function(require,module,exports){
+(function (process){
+'use strict';
+
+var inherits = require('inherits')
+  , urlUtils = require('../../utils/url')
+  , SenderReceiver = require('./sender-receiver')
+  ;
+
+var debug = function() {};
+if (process.env.NODE_ENV !== 'production') {
+  debug = require('debug')('sockjs-client:ajax-based');
+}
+
+function createAjaxSender(AjaxObject) {
+  return function(url, payload, callback) {
+    debug('create ajax sender', url, payload);
+    var opt = {};
+    if (typeof payload === 'string') {
+      opt.headers = {'Content-type': 'text/plain'};
+    }
+    var ajaxUrl = urlUtils.addPath(url, '/xhr_send');
+    var xo = new AjaxObject('POST', ajaxUrl, payload, opt);
+    xo.once('finish', function(status) {
+      debug('finish', status);
+      xo = null;
+
+      if (status !== 200 && status !== 204) {
+        return callback(new Error('http status ' + status));
+      }
+      callback();
+    });
+    return function() {
+      debug('abort');
+      xo.close();
+      xo = null;
+
+      var err = new Error('Aborted');
+      err.code = 1000;
+      callback(err);
+    };
+  };
+}
+
+function AjaxBasedTransport(transUrl, urlSuffix, Receiver, AjaxObject) {
+  SenderReceiver.call(this, transUrl, urlSuffix, createAjaxSender(AjaxObject), Receiver, AjaxObject);
+}
+
+inherits(AjaxBasedTransport, SenderReceiver);
+
+module.exports = AjaxBasedTransport;
+
+}).call(this,{ env: {} })
+
+},{"../../utils/url":52,"./sender-receiver":28,"debug":55,"inherits":57}],25:[function(require,module,exports){
+(function (process){
+'use strict';
+
+var inherits = require('inherits')
+  , EventEmitter = require('events').EventEmitter
+  ;
+
+var debug = function() {};
+if (process.env.NODE_ENV !== 'production') {
+  debug = require('debug')('sockjs-client:buffered-sender');
+}
+
+function BufferedSender(url, sender) {
+  debug(url);
+  EventEmitter.call(this);
+  this.sendBuffer = [];
+  this.sender = sender;
+  this.url = url;
+}
+
+inherits(BufferedSender, EventEmitter);
+
+BufferedSender.prototype.send = function(message) {
+  debug('send', message);
+  this.sendBuffer.push(message);
+  if (!this.sendStop) {
+    this.sendSchedule();
+  }
+};
+
+// For polling transports in a situation when in the message callback,
+// new message is being send. If the sending connection was started
+// before receiving one, it is possible to saturate the network and
+// timeout due to the lack of receiving socket. To avoid that we delay
+// sending messages by some small time, in order to let receiving
+// connection be started beforehand. This is only a halfmeasure and
+// does not fix the big problem, but it does make the tests go more
+// stable on slow networks.
+BufferedSender.prototype.sendScheduleWait = function() {
+  debug('sendScheduleWait');
+  var self = this;
+  var tref;
+  this.sendStop = function() {
+    debug('sendStop');
+    self.sendStop = null;
+    clearTimeout(tref);
+  };
+  tref = setTimeout(function() {
+    debug('timeout');
+    self.sendStop = null;
+    self.sendSchedule();
+  }, 25);
+};
+
+BufferedSender.prototype.sendSchedule = function() {
+  debug('sendSchedule', this.sendBuffer.length);
+  var self = this;
+  if (this.sendBuffer.length > 0) {
+    var payload = '[' + this.sendBuffer.join(',') + ']';
+    this.sendStop = this.sender(this.url, payload, function(err) {
+      self.sendStop = null;
+      if (err) {
+        debug('error', err);
+        self.emit('close', err.code || 1006, 'Sending error: ' + err);
+        self.close();
+      } else {
+        self.sendScheduleWait();
+      }
+    });
+    this.sendBuffer = [];
+  }
+};
+
+BufferedSender.prototype._cleanup = function() {
+  debug('_cleanup');
+  this.removeAllListeners();
+};
+
+BufferedSender.prototype.close = function() {
+  debug('close');
+  this._cleanup();
+  if (this.sendStop) {
+    this.sendStop();
+    this.sendStop = null;
+  }
+};
+
+module.exports = BufferedSender;
+
+}).call(this,{ env: {} })
+
+},{"debug":55,"events":3,"inherits":57}],26:[function(require,module,exports){
+(function (global){
+'use strict';
+
+var inherits = require('inherits')
+  , IframeTransport = require('../iframe')
+  , objectUtils = require('../../utils/object')
+  ;
+
+module.exports = function(transport) {
+
+  function IframeWrapTransport(transUrl, baseUrl) {
+    IframeTransport.call(this, transport.transportName, transUrl, baseUrl);
+  }
+
+  inherits(IframeWrapTransport, IframeTransport);
+
+  IframeWrapTransport.enabled = function(url, info) {
+    if (!global.document) {
+      return false;
+    }
+
+    var iframeInfo = objectUtils.extend({}, info);
+    iframeInfo.sameOrigin = true;
+    return transport.enabled(iframeInfo) && IframeTransport.enabled();
+  };
+
+  IframeWrapTransport.transportName = 'iframe-' + transport.transportName;
+  IframeWrapTransport.needBody = true;
+  IframeWrapTransport.roundTrips = IframeTransport.roundTrips + transport.roundTrips - 1; // html, javascript (2) + transport - no CORS (1)
+
+  IframeWrapTransport.facadeTransport = transport;
+
+  return IframeWrapTransport;
+};
+
+}).call(this,typeof global !== "undefined" ? global : typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {})
+
+},{"../../utils/object":49,"../iframe":22,"inherits":57}],27:[function(require,module,exports){
+(function (process){
+'use strict';
+
+var inherits = require('inherits')
+  , EventEmitter = require('events').EventEmitter
+  ;
+
+var debug = function() {};
+if (process.env.NODE_ENV !== 'production') {
+  debug = require('debug')('sockjs-client:polling');
+}
+
+function Polling(Receiver, receiveUrl, AjaxObject) {
+  debug(receiveUrl);
+  EventEmitter.call(this);
+  this.Receiver = Receiver;
+  this.receiveUrl = receiveUrl;
+  this.AjaxObject = AjaxObject;
+  this._scheduleReceiver();
+}
+
+inherits(Polling, EventEmitter);
+
+Polling.prototype._scheduleReceiver = function() {
+  debug('_scheduleReceiver');
+  var self = this;
+  var poll = this.poll = new this.Receiver(this.receiveUrl, this.AjaxObject);
+
+  poll.on('message', function(msg) {
+    debug('message', msg);
+    self.emit('message', msg);
+  });
+
+  poll.once('close', function(code, reason) {
+    debug('close', code, reason, self.pollIsClosing);
+    self.poll = poll = null;
+
+    if (!self.pollIsClosing) {
+      if (reason === 'network') {
+        self._scheduleReceiver();
+      } else {
+        self.emit('close', code || 1006, reason);
+        self.removeAllListeners();
+      }
+    }
+  });
+};
+
+Polling.prototype.abort = function() {
+  debug('abort');
+  this.removeAllListeners();
+  this.pollIsClosing = true;
+  if (this.poll) {
+    this.poll.abort();
+  }
+};
+
+module.exports = Polling;
+
+}).call(this,{ env: {} })
+
+},{"debug":55,"events":3,"inherits":57}],28:[function(require,module,exports){
+(function (process){
+'use strict';
+
+var inherits = require('inherits')
+  , urlUtils = require('../../utils/url')
+  , BufferedSender = require('./buffered-sender')
+  , Polling = require('./polling')
+  ;
+
+var debug = function() {};
+if (process.env.NODE_ENV !== 'production') {
+  debug = require('debug')('sockjs-client:sender-receiver');
+}
+
+function SenderReceiver(transUrl, urlSuffix, senderFunc, Receiver, AjaxObject) {
+  var pollUrl = urlUtils.addPath(transUrl, urlSuffix);
+  debug(pollUrl);
+  var self = this;
+  BufferedSender.call(this, transUrl, senderFunc);
+
+  this.poll = new Polling(Receiver, pollUrl, AjaxObject);
+  this.poll.on('message', function(msg) {
+    debug('poll message', msg);
+    self.emit('message', msg);
+  });
+  this.poll.once('close', function(code, reason) {
+    debug('poll close', code, reason);
+    self.poll = null;
+    self.emit('close', code, reason);
+    self.close();
+  });
+}
+
+inherits(SenderReceiver, BufferedSender);
+
+SenderReceiver.prototype.close = function() {
+  BufferedSender.prototype.close.call(this);
+  debug('close');
+  this.removeAllListeners();
+  if (this.poll) {
+    this.poll.abort();
+    this.poll = null;
+  }
+};
+
+module.exports = SenderReceiver;
+
+}).call(this,{ env: {} })
+
+},{"../../utils/url":52,"./buffered-sender":25,"./polling":27,"debug":55,"inherits":57}],29:[function(require,module,exports){
+(function (process){
+'use strict';
+
+var inherits = require('inherits')
+  , EventEmitter = require('events').EventEmitter
+  , EventSourceDriver = require('eventsource')
+  ;
+
+var debug = function() {};
+if (process.env.NODE_ENV !== 'production') {
+  debug = require('debug')('sockjs-client:receiver:eventsource');
+}
+
+function EventSourceReceiver(url) {
+  debug(url);
+  EventEmitter.call(this);
+
+  var self = this;
+  var es = this.es = new EventSourceDriver(url);
+  es.onmessage = function(e) {
+    debug('message', e.data);
+    self.emit('message', decodeURI(e.data));
+  };
+  es.onerror = function(e) {
+    debug('error', es.readyState, e);
+    // ES on reconnection has readyState = 0 or 1.
+    // on network error it's CLOSED = 2
+    var reason = (es.readyState !== 2 ? 'network' : 'permanent');
+    self._cleanup();
+    self._close(reason);
+  };
+}
+
+inherits(EventSourceReceiver, EventEmitter);
+
+EventSourceReceiver.prototype.abort = function() {
+  debug('abort');
+  this._cleanup();
+  this._close('user');
+};
+
+EventSourceReceiver.prototype._cleanup = function() {
+  debug('cleanup');
+  var es = this.es;
+  if (es) {
+    es.onmessage = es.onerror = null;
+    es.close();
+    this.es = null;
+  }
+};
+
+EventSourceReceiver.prototype._close = function(reason) {
+  debug('close', reason);
+  var self = this;
+  // Safari and chrome < 15 crash if we close window before
+  // waiting for ES cleanup. See:
+  // https://code.google.com/p/chromium/issues/detail?id=89155
+  setTimeout(function() {
+    self.emit('close', null, reason);
+    self.removeAllListeners();
+  }, 200);
+};
+
+module.exports = EventSourceReceiver;
+
+}).call(this,{ env: {} })
+
+},{"debug":55,"events":3,"eventsource":18,"inherits":57}],30:[function(require,module,exports){
+(function (process,global){
+'use strict';
+
+var inherits = require('inherits')
+  , iframeUtils = require('../../utils/iframe')
+  , urlUtils = require('../../utils/url')
+  , EventEmitter = require('events').EventEmitter
+  , random = require('../../utils/random')
+  ;
+
+var debug = function() {};
+if (process.env.NODE_ENV !== 'production') {
+  debug = require('debug')('sockjs-client:receiver:htmlfile');
+}
+
+function HtmlfileReceiver(url) {
+  debug(url);
+  EventEmitter.call(this);
+  var self = this;
+  iframeUtils.polluteGlobalNamespace();
+
+  this.id = 'a' + random.string(6);
+  url = urlUtils.addQuery(url, 'c=' + decodeURIComponent(iframeUtils.WPrefix + '.' + this.id));
+
+  debug('using htmlfile', HtmlfileReceiver.htmlfileEnabled);
+  var constructFunc = HtmlfileReceiver.htmlfileEnabled ?
+      iframeUtils.createHtmlfile : iframeUtils.createIframe;
+
+  global[iframeUtils.WPrefix][this.id] = {
+    start: function() {
+      debug('start');
+      self.iframeObj.loaded();
+    }
+  , message: function(data) {
+      debug('message', data);
+      self.emit('message', data);
+    }
+  , stop: function() {
+      debug('stop');
+      self._cleanup();
+      self._close('network');
+    }
+  };
+  this.iframeObj = constructFunc(url, function() {
+    debug('callback');
+    self._cleanup();
+    self._close('permanent');
+  });
+}
+
+inherits(HtmlfileReceiver, EventEmitter);
+
+HtmlfileReceiver.prototype.abort = function() {
+  debug('abort');
+  this._cleanup();
+  this._close('user');
+};
+
+HtmlfileReceiver.prototype._cleanup = function() {
+  debug('_cleanup');
+  if (this.iframeObj) {
+    this.iframeObj.cleanup();
+    this.iframeObj = null;
+  }
+  delete global[iframeUtils.WPrefix][this.id];
+};
+
+HtmlfileReceiver.prototype._close = function(reason) {
+  debug('_close', reason);
+  this.emit('close', null, reason);
+  this.removeAllListeners();
+};
+
+HtmlfileReceiver.htmlfileEnabled = false;
+
+// obfuscate to avoid firewalls
+var axo = ['Active'].concat('Object').join('X');
+if (axo in global) {
+  try {
+    HtmlfileReceiver.htmlfileEnabled = !!new global[axo]('htmlfile');
+  } catch (x) {
+    // intentionally empty
+  }
+}
+
+HtmlfileReceiver.enabled = HtmlfileReceiver.htmlfileEnabled || iframeUtils.iframeEnabled;
+
+module.exports = HtmlfileReceiver;
+
+}).call(this,{ env: {} },typeof global !== "undefined" ? global : typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {})
+
+},{"../../utils/iframe":47,"../../utils/random":50,"../../utils/url":52,"debug":55,"events":3,"inherits":57}],31:[function(require,module,exports){
+(function (process,global){
+'use strict';
+
+var utils = require('../../utils/iframe')
+  , random = require('../../utils/random')
+  , browser = require('../../utils/browser')
+  , urlUtils = require('../../utils/url')
+  , inherits = require('inherits')
+  , EventEmitter = require('events').EventEmitter
+  ;
+
+var debug = function() {};
+if (process.env.NODE_ENV !== 'production') {
+  debug = require('debug')('sockjs-client:receiver:jsonp');
+}
+
+function JsonpReceiver(url) {
+  debug(url);
+  var self = this;
+  EventEmitter.call(this);
+
+  utils.polluteGlobalNamespace();
+
+  this.id = 'a' + random.string(6);
+  var urlWithId = urlUtils.addQuery(url, 'c=' + encodeURIComponent(utils.WPrefix + '.' + this.id));
+
+  global[utils.WPrefix][this.id] = this._callback.bind(this);
+  this._createScript(urlWithId);
+
+  // Fallback mostly for Konqueror - stupid timer, 35 seconds shall be plenty.
+  this.timeoutId = setTimeout(function() {
+    debug('timeout');
+    self._abort(new Error('JSONP script loaded abnormally (timeout)'));
+  }, JsonpReceiver.timeout);
+}
+
+inherits(JsonpReceiver, EventEmitter);
+
+JsonpReceiver.prototype.abort = function() {
+  debug('abort');
+  if (global[utils.WPrefix][this.id]) {
+    var err = new Error('JSONP user aborted read');
+    err.code = 1000;
+    this._abort(err);
+  }
+};
+
+JsonpReceiver.timeout = 35000;
+JsonpReceiver.scriptErrorTimeout = 1000;
+
+JsonpReceiver.prototype._callback = function(data) {
+  debug('_callback', data);
+  this._cleanup();
+
+  if (this.aborting) {
+    return;
+  }
+
+  if (data) {
+    debug('message', data);
+    this.emit('message', data);
+  }
+  this.emit('close', null, 'network');
+  this.removeAllListeners();
+};
+
+JsonpReceiver.prototype._abort = function(err) {
+  debug('_abort', err);
+  this._cleanup();
+  this.aborting = true;
+  this.emit('close', err.code, err.message);
+  this.removeAllListeners();
+};
+
+JsonpReceiver.prototype._cleanup = function() {
+  debug('_cleanup');
+  clearTimeout(this.timeoutId);
+  if (this.script2) {
+    this.script2.parentNode.removeChild(this.script2);
+    this.script2 = null;
+  }
+  if (this.script) {
+    var script = this.script;
+    // Unfortunately, you can't really abort script loading of
+    // the script.
+    script.parentNode.removeChild(script);
+    script.onreadystatechange = script.onerror =
+        script.onload = script.onclick = null;
+    this.script = null;
+  }
+  delete global[utils.WPrefix][this.id];
+};
+
+JsonpReceiver.prototype._scriptError = function() {
+  debug('_scriptError');
+  var self = this;
+  if (this.errorTimer) {
+    return;
+  }
+
+  this.errorTimer = setTimeout(function() {
+    if (!self.loadedOkay) {
+      self._abort(new Error('JSONP script loaded abnormally (onerror)'));
+    }
+  }, JsonpReceiver.scriptErrorTimeout);
+};
+
+JsonpReceiver.prototype._createScript = function(url) {
+  debug('_createScript', url);
+  var self = this;
+  var script = this.script = global.document.createElement('script');
+  var script2;  // Opera synchronous load trick.
+
+  script.id = 'a' + random.string(8);
+  script.src = url;
+  script.type = 'text/javascript';
+  script.charset = 'UTF-8';
+  script.onerror = this._scriptError.bind(this);
+  script.onload = function() {
+    debug('onload');
+    self._abort(new Error('JSONP script loaded abnormally (onload)'));
+  };
+
+  // IE9 fires 'error' event after onreadystatechange or before, in random order.
+  // Use loadedOkay to determine if actually errored
+  script.onreadystatechange = function() {
+    debug('onreadystatechange', script.readyState);
+    if (/loaded|closed/.test(script.readyState)) {
+      if (script && script.htmlFor && script.onclick) {
+        self.loadedOkay = true;
+        try {
+          // In IE, actually execute the script.
+          script.onclick();
+        } catch (x) {
+          // intentionally empty
+        }
+      }
+      if (script) {
+        self._abort(new Error('JSONP script loaded abnormally (onreadystatechange)'));
+      }
+    }
+  };
+  // IE: event/htmlFor/onclick trick.
+  // One can't rely on proper order for onreadystatechange. In order to
+  // make sure, set a 'htmlFor' and 'event' properties, so that
+  // script code will be installed as 'onclick' handler for the
+  // script object. Later, onreadystatechange, manually execute this
+  // code. FF and Chrome doesn't work with 'event' and 'htmlFor'
+  // set. For reference see:
+  //   http://jaubourg.net/2010/07/loading-script-as-onclick-handler-of.html
+  // Also, read on that about script ordering:
+  //   http://wiki.whatwg.org/wiki/Dynamic_Script_Execution_Order
+  if (typeof script.async === 'undefined' && global.document.attachEvent) {
+    // According to mozilla docs, in recent browsers script.async defaults
+    // to 'true', so we may use it to detect a good browser:
+    // https://developer.mozilla.org/en/HTML/Element/script
+    if (!browser.isOpera()) {
+      // Naively assume we're in IE
+      try {
+        script.htmlFor = script.id;
+        script.event = 'onclick';
+      } catch (x) {
+        // intentionally empty
+      }
+      script.async = true;
+    } else {
+      // Opera, second sync script hack
+      script2 = this.script2 = global.document.createElement('script');
+      script2.text = "try{var a = document.getElementById('" + script.id + "'); if(a)a.onerror();}catch(x){};";
+      script.async = script2.async = false;
+    }
+  }
+  if (typeof script.async !== 'undefined') {
+    script.async = true;
+  }
+
+  var head = global.document.getElementsByTagName('head')[0];
+  head.insertBefore(script, head.firstChild);
+  if (script2) {
+    head.insertBefore(script2, head.firstChild);
+  }
+};
+
+module.exports = JsonpReceiver;
+
+}).call(this,{ env: {} },typeof global !== "undefined" ? global : typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {})
+
+},{"../../utils/browser":44,"../../utils/iframe":47,"../../utils/random":50,"../../utils/url":52,"debug":55,"events":3,"inherits":57}],32:[function(require,module,exports){
+(function (process){
+'use strict';
+
+var inherits = require('inherits')
+  , EventEmitter = require('events').EventEmitter
+  ;
+
+var debug = function() {};
+if (process.env.NODE_ENV !== 'production') {
+  debug = require('debug')('sockjs-client:receiver:xhr');
+}
+
+function XhrReceiver(url, AjaxObject) {
+  debug(url);
+  EventEmitter.call(this);
+  var self = this;
+
+  this.bufferPosition = 0;
+
+  this.xo = new AjaxObject('POST', url, null);
+  this.xo.on('chunk', this._chunkHandler.bind(this));
+  this.xo.once('finish', function(status, text) {
+    debug('finish', status, text);
+    self._chunkHandler(status, text);
+    self.xo = null;
+    var reason = status === 200 ? 'network' : 'permanent';
+    debug('close', reason);
+    self.emit('close', null, reason);
+    self._cleanup();
+  });
+}
+
+inherits(XhrReceiver, EventEmitter);
+
+XhrReceiver.prototype._chunkHandler = function(status, text) {
+  debug('_chunkHandler', status);
+  if (status !== 200 || !text) {
+    return;
+  }
+
+  for (var idx = -1; ; this.bufferPosition += idx + 1) {
+    var buf = text.slice(this.bufferPosition);
+    idx = buf.indexOf('\n');
+    if (idx === -1) {
+      break;
+    }
+    var msg = buf.slice(0, idx);
+    if (msg) {
+      debug('message', msg);
+      this.emit('message', msg);
+    }
+  }
+};
+
+XhrReceiver.prototype._cleanup = function() {
+  debug('_cleanup');
+  this.removeAllListeners();
+};
+
+XhrReceiver.prototype.abort = function() {
+  debug('abort');
+  if (this.xo) {
+    this.xo.close();
+    debug('close');
+    this.emit('close', null, 'user');
+    this.xo = null;
+  }
+  this._cleanup();
+};
+
+module.exports = XhrReceiver;
+
+}).call(this,{ env: {} })
+
+},{"debug":55,"events":3,"inherits":57}],33:[function(require,module,exports){
+(function (process,global){
+'use strict';
+
+var random = require('../../utils/random')
+  , urlUtils = require('../../utils/url')
+  ;
+
+var debug = function() {};
+if (process.env.NODE_ENV !== 'production') {
+  debug = require('debug')('sockjs-client:sender:jsonp');
+}
+
+var form, area;
+
+function createIframe(id) {
+  debug('createIframe', id);
+  try {
+    // ie6 dynamic iframes with target="" support (thanks Chris Lambacher)
+    return global.document.createElement('<iframe name="' + id + '">');
+  } catch (x) {
+    var iframe = global.document.createElement('iframe');
+    iframe.name = id;
+    return iframe;
+  }
+}
+
+function createForm() {
+  debug('createForm');
+  form = global.document.createElement('form');
+  form.style.display = 'none';
+  form.style.position = 'absolute';
+  form.method = 'POST';
+  form.enctype = 'application/x-www-form-urlencoded';
+  form.acceptCharset = 'UTF-8';
+
+  area = global.document.createElement('textarea');
+  area.name = 'd';
+  form.appendChild(area);
+
+  global.document.body.appendChild(form);
+}
+
+module.exports = function(url, payload, callback) {
+  debug(url, payload);
+  if (!form) {
+    createForm();
+  }
+  var id = 'a' + random.string(8);
+  form.target = id;
+  form.action = urlUtils.addQuery(urlUtils.addPath(url, '/jsonp_send'), 'i=' + id);
+
+  var iframe = createIframe(id);
+  iframe.id = id;
+  iframe.style.display = 'none';
+  form.appendChild(iframe);
+
+  try {
+    area.value = payload;
+  } catch (e) {
+    // seriously broken browsers get here
+  }
+  form.submit();
+
+  var completed = function(err) {
+    debug('completed', id, err);
+    if (!iframe.onerror) {
+      return;
+    }
+    iframe.onreadystatechange = iframe.onerror = iframe.onload = null;
+    // Opera mini doesn't like if we GC iframe
+    // immediately, thus this timeout.
+    setTimeout(function() {
+      debug('cleaning up', id);
+      iframe.parentNode.removeChild(iframe);
+      iframe = null;
+    }, 500);
+    area.value = '';
+    // It is not possible to detect if the iframe succeeded or
+    // failed to submit our form.
+    callback(err);
+  };
+  iframe.onerror = function() {
+    debug('onerror', id);
+    completed();
+  };
+  iframe.onload = function() {
+    debug('onload', id);
+    completed();
+  };
+  iframe.onreadystatechange = function(e) {
+    debug('onreadystatechange', id, iframe.readyState, e);
+    if (iframe.readyState === 'complete') {
+      completed();
+    }
+  };
+  return function() {
+    debug('aborted', id);
+    completed(new Error('Aborted'));
+  };
+};
+
+}).call(this,{ env: {} },typeof global !== "undefined" ? global : typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {})
+
+},{"../../utils/random":50,"../../utils/url":52,"debug":55}],34:[function(require,module,exports){
+(function (process,global){
+'use strict';
+
+var EventEmitter = require('events').EventEmitter
+  , inherits = require('inherits')
+  , eventUtils = require('../../utils/event')
+  , browser = require('../../utils/browser')
+  , urlUtils = require('../../utils/url')
+  ;
+
+var debug = function() {};
+if (process.env.NODE_ENV !== 'production') {
+  debug = require('debug')('sockjs-client:sender:xdr');
+}
+
+// References:
+//   http://ajaxian.com/archives/100-line-ajax-wrapper
+//   http://msdn.microsoft.com/en-us/library/cc288060(v=VS.85).aspx
+
+function XDRObject(method, url, payload) {
+  debug(method, url);
+  var self = this;
+  EventEmitter.call(this);
+
+  setTimeout(function() {
+    self._start(method, url, payload);
+  }, 0);
+}
+
+inherits(XDRObject, EventEmitter);
+
+XDRObject.prototype._start = function(method, url, payload) {
+  debug('_start');
+  var self = this;
+  var xdr = new global.XDomainRequest();
+  // IE caches even POSTs
+  url = urlUtils.addQuery(url, 't=' + (+new Date()));
+
+  xdr.onerror = function() {
+    debug('onerror');
+    self._error();
+  };
+  xdr.ontimeout = function() {
+    debug('ontimeout');
+    self._error();
+  };
+  xdr.onprogress = function() {
+    debug('progress', xdr.responseText);
+    self.emit('chunk', 200, xdr.responseText);
+  };
+  xdr.onload = function() {
+    debug('load');
+    self.emit('finish', 200, xdr.responseText);
+    self._cleanup(false);
+  };
+  this.xdr = xdr;
+  this.unloadRef = eventUtils.unloadAdd(function() {
+    self._cleanup(true);
+  });
+  try {
+    // Fails with AccessDenied if port number is bogus
+    this.xdr.open(method, url);
+    if (this.timeout) {
+      this.xdr.timeout = this.timeout;
+    }
+    this.xdr.send(payload);
+  } catch (x) {
+    this._error();
+  }
+};
+
+XDRObject.prototype._error = function() {
+  this.emit('finish', 0, '');
+  this._cleanup(false);
+};
+
+XDRObject.prototype._cleanup = function(abort) {
+  debug('cleanup', abort);
+  if (!this.xdr) {
+    return;
+  }
+  this.removeAllListeners();
+  eventUtils.unloadDel(this.unloadRef);
+
+  this.xdr.ontimeout = this.xdr.onerror = this.xdr.onprogress = this.xdr.onload = null;
+  if (abort) {
+    try {
+      this.xdr.abort();
+    } catch (x) {
+      // intentionally empty
+    }
+  }
+  this.unloadRef = this.xdr = null;
+};
+
+XDRObject.prototype.close = function() {
+  debug('close');
+  this._cleanup(true);
+};
+
+// IE 8/9 if the request target uses the same scheme - #79
+XDRObject.enabled = !!(global.XDomainRequest && browser.hasDomain());
+
+module.exports = XDRObject;
+
+}).call(this,{ env: {} },typeof global !== "undefined" ? global : typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {})
+
+},{"../../utils/browser":44,"../../utils/event":46,"../../utils/url":52,"debug":55,"events":3,"inherits":57}],35:[function(require,module,exports){
+'use strict';
+
+var inherits = require('inherits')
+  , XhrDriver = require('../driver/xhr')
+  ;
+
+function XHRCorsObject(method, url, payload, opts) {
+  XhrDriver.call(this, method, url, payload, opts);
+}
+
+inherits(XHRCorsObject, XhrDriver);
+
+XHRCorsObject.enabled = XhrDriver.enabled && XhrDriver.supportsCORS;
+
+module.exports = XHRCorsObject;
+
+},{"../driver/xhr":17,"inherits":57}],36:[function(require,module,exports){
+'use strict';
+
+var EventEmitter = require('events').EventEmitter
+  , inherits = require('inherits')
+  ;
+
+function XHRFake(/* method, url, payload, opts */) {
+  var self = this;
+  EventEmitter.call(this);
+
+  this.to = setTimeout(function() {
+    self.emit('finish', 200, '{}');
+  }, XHRFake.timeout);
+}
+
+inherits(XHRFake, EventEmitter);
+
+XHRFake.prototype.close = function() {
+  clearTimeout(this.to);
+};
+
+XHRFake.timeout = 2000;
+
+module.exports = XHRFake;
+
+},{"events":3,"inherits":57}],37:[function(require,module,exports){
+'use strict';
+
+var inherits = require('inherits')
+  , XhrDriver = require('../driver/xhr')
+  ;
+
+function XHRLocalObject(method, url, payload /*, opts */) {
+  XhrDriver.call(this, method, url, payload, {
+    noCredentials: true
+  });
+}
+
+inherits(XHRLocalObject, XhrDriver);
+
+XHRLocalObject.enabled = XhrDriver.enabled;
+
+module.exports = XHRLocalObject;
+
+},{"../driver/xhr":17,"inherits":57}],38:[function(require,module,exports){
+(function (process){
+'use strict';
+
+var utils = require('../utils/event')
+  , urlUtils = require('../utils/url')
+  , inherits = require('inherits')
+  , EventEmitter = require('events').EventEmitter
+  , WebsocketDriver = require('./driver/websocket')
+  ;
+
+var debug = function() {};
+if (process.env.NODE_ENV !== 'production') {
+  debug = require('debug')('sockjs-client:websocket');
+}
+
+function WebSocketTransport(transUrl, ignore, options) {
+  if (!WebSocketTransport.enabled()) {
+    throw new Error('Transport created when disabled');
+  }
+
+  EventEmitter.call(this);
+  debug('constructor', transUrl);
+
+  var self = this;
+  var url = urlUtils.addPath(transUrl, '/websocket');
+  if (url.slice(0, 5) === 'https') {
+    url = 'wss' + url.slice(5);
+  } else {
+    url = 'ws' + url.slice(4);
+  }
+  this.url = url;
+
+  this.ws = new WebsocketDriver(this.url, [], options);
+  this.ws.onmessage = function(e) {
+    debug('message event', e.data);
+    self.emit('message', e.data);
+  };
+  // Firefox has an interesting bug. If a websocket connection is
+  // created after onunload, it stays alive even when user
+  // navigates away from the page. In such situation let's lie -
+  // let's not open the ws connection at all. See:
+  // https://github.com/sockjs/sockjs-client/issues/28
+  // https://bugzilla.mozilla.org/show_bug.cgi?id=696085
+  this.unloadRef = utils.unloadAdd(function() {
+    debug('unload');
+    self.ws.close();
+  });
+  this.ws.onclose = function(e) {
+    debug('close event', e.code, e.reason);
+    self.emit('close', e.code, e.reason);
+    self._cleanup();
+  };
+  this.ws.onerror = function(e) {
+    debug('error event', e);
+    self.emit('close', 1006, 'WebSocket connection broken');
+    self._cleanup();
+  };
+}
+
+inherits(WebSocketTransport, EventEmitter);
+
+WebSocketTransport.prototype.send = function(data) {
+  var msg = '[' + data + ']';
+  debug('send', msg);
+  this.ws.send(msg);
+};
+
+WebSocketTransport.prototype.close = function() {
+  debug('close');
+  var ws = this.ws;
+  this._cleanup();
+  if (ws) {
+    ws.close();
+  }
+};
+
+WebSocketTransport.prototype._cleanup = function() {
+  debug('_cleanup');
+  var ws = this.ws;
+  if (ws) {
+    ws.onmessage = ws.onclose = ws.onerror = null;
+  }
+  utils.unloadDel(this.unloadRef);
+  this.unloadRef = this.ws = null;
+  this.removeAllListeners();
+};
+
+WebSocketTransport.enabled = function() {
+  debug('enabled');
+  return !!WebsocketDriver;
+};
+WebSocketTransport.transportName = 'websocket';
+
+// In theory, ws should require 1 round trip. But in chrome, this is
+// not very stable over SSL. Most likely a ws connection requires a
+// separate SSL connection, in which case 2 round trips are an
+// absolute minumum.
+WebSocketTransport.roundTrips = 2;
+
+module.exports = WebSocketTransport;
+
+}).call(this,{ env: {} })
+
+},{"../utils/event":46,"../utils/url":52,"./driver/websocket":19,"debug":55,"events":3,"inherits":57}],39:[function(require,module,exports){
+'use strict';
+
+var inherits = require('inherits')
+  , AjaxBasedTransport = require('./lib/ajax-based')
+  , XdrStreamingTransport = require('./xdr-streaming')
+  , XhrReceiver = require('./receiver/xhr')
+  , XDRObject = require('./sender/xdr')
+  ;
+
+function XdrPollingTransport(transUrl) {
+  if (!XDRObject.enabled) {
+    throw new Error('Transport created when disabled');
+  }
+  AjaxBasedTransport.call(this, transUrl, '/xhr', XhrReceiver, XDRObject);
+}
+
+inherits(XdrPollingTransport, AjaxBasedTransport);
+
+XdrPollingTransport.enabled = XdrStreamingTransport.enabled;
+XdrPollingTransport.transportName = 'xdr-polling';
+XdrPollingTransport.roundTrips = 2; // preflight, ajax
+
+module.exports = XdrPollingTransport;
+
+},{"./lib/ajax-based":24,"./receiver/xhr":32,"./sender/xdr":34,"./xdr-streaming":40,"inherits":57}],40:[function(require,module,exports){
+'use strict';
+
+var inherits = require('inherits')
+  , AjaxBasedTransport = require('./lib/ajax-based')
+  , XhrReceiver = require('./receiver/xhr')
+  , XDRObject = require('./sender/xdr')
+  ;
+
+// According to:
+//   http://stackoverflow.com/questions/1641507/detect-browser-support-for-cross-domain-xmlhttprequests
+//   http://hacks.mozilla.org/2009/07/cross-site-xmlhttprequest-with-cors/
+
+function XdrStreamingTransport(transUrl) {
+  if (!XDRObject.enabled) {
+    throw new Error('Transport created when disabled');
+  }
+  AjaxBasedTransport.call(this, transUrl, '/xhr_streaming', XhrReceiver, XDRObject);
+}
+
+inherits(XdrStreamingTransport, AjaxBasedTransport);
+
+XdrStreamingTransport.enabled = function(info) {
+  if (info.cookie_needed || info.nullOrigin) {
+    return false;
+  }
+  return XDRObject.enabled && info.sameScheme;
+};
+
+XdrStreamingTransport.transportName = 'xdr-streaming';
+XdrStreamingTransport.roundTrips = 2; // preflight, ajax
+
+module.exports = XdrStreamingTransport;
+
+},{"./lib/ajax-based":24,"./receiver/xhr":32,"./sender/xdr":34,"inherits":57}],41:[function(require,module,exports){
+'use strict';
+
+var inherits = require('inherits')
+  , AjaxBasedTransport = require('./lib/ajax-based')
+  , XhrReceiver = require('./receiver/xhr')
+  , XHRCorsObject = require('./sender/xhr-cors')
+  , XHRLocalObject = require('./sender/xhr-local')
+  ;
+
+function XhrPollingTransport(transUrl) {
+  if (!XHRLocalObject.enabled && !XHRCorsObject.enabled) {
+    throw new Error('Transport created when disabled');
+  }
+  AjaxBasedTransport.call(this, transUrl, '/xhr', XhrReceiver, XHRCorsObject);
+}
+
+inherits(XhrPollingTransport, AjaxBasedTransport);
+
+XhrPollingTransport.enabled = function(info) {
+  if (info.nullOrigin) {
+    return false;
+  }
+
+  if (XHRLocalObject.enabled && info.sameOrigin) {
+    return true;
+  }
+  return XHRCorsObject.enabled;
+};
+
+XhrPollingTransport.transportName = 'xhr-polling';
+XhrPollingTransport.roundTrips = 2; // preflight, ajax
+
+module.exports = XhrPollingTransport;
+
+},{"./lib/ajax-based":24,"./receiver/xhr":32,"./sender/xhr-cors":35,"./sender/xhr-local":37,"inherits":57}],42:[function(require,module,exports){
+(function (global){
+'use strict';
+
+var inherits = require('inherits')
+  , AjaxBasedTransport = require('./lib/ajax-based')
+  , XhrReceiver = require('./receiver/xhr')
+  , XHRCorsObject = require('./sender/xhr-cors')
+  , XHRLocalObject = require('./sender/xhr-local')
+  , browser = require('../utils/browser')
+  ;
+
+function XhrStreamingTransport(transUrl) {
+  if (!XHRLocalObject.enabled && !XHRCorsObject.enabled) {
+    throw new Error('Transport created when disabled');
+  }
+  AjaxBasedTransport.call(this, transUrl, '/xhr_streaming', XhrReceiver, XHRCorsObject);
+}
+
+inherits(XhrStreamingTransport, AjaxBasedTransport);
+
+XhrStreamingTransport.enabled = function(info) {
+  if (info.nullOrigin) {
+    return false;
+  }
+  // Opera doesn't support xhr-streaming #60
+  // But it might be able to #92
+  if (browser.isOpera()) {
+    return false;
+  }
+
+  return XHRCorsObject.enabled;
+};
+
+XhrStreamingTransport.transportName = 'xhr-streaming';
+XhrStreamingTransport.roundTrips = 2; // preflight, ajax
+
+// Safari gets confused when a streaming ajax request is started
+// before onload. This causes the load indicator to spin indefinetely.
+// Only require body when used in a browser
+XhrStreamingTransport.needBody = !!global.document;
+
+module.exports = XhrStreamingTransport;
+
+}).call(this,typeof global !== "undefined" ? global : typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {})
+
+},{"../utils/browser":44,"./lib/ajax-based":24,"./receiver/xhr":32,"./sender/xhr-cors":35,"./sender/xhr-local":37,"inherits":57}],43:[function(require,module,exports){
+(function (global){
+'use strict';
+
+if (global.crypto && global.crypto.getRandomValues) {
+  module.exports.randomBytes = function(length) {
+    var bytes = new Uint8Array(length);
+    global.crypto.getRandomValues(bytes);
+    return bytes;
+  };
+} else {
+  module.exports.randomBytes = function(length) {
+    var bytes = new Array(length);
+    for (var i = 0; i < length; i++) {
+      bytes[i] = Math.floor(Math.random() * 256);
+    }
+    return bytes;
+  };
+}
+
+}).call(this,typeof global !== "undefined" ? global : typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {})
+
+},{}],44:[function(require,module,exports){
+(function (global){
+'use strict';
+
+module.exports = {
+  isOpera: function() {
+    return global.navigator &&
+      /opera/i.test(global.navigator.userAgent);
+  }
+
+, isKonqueror: function() {
+    return global.navigator &&
+      /konqueror/i.test(global.navigator.userAgent);
+  }
+
+  // #187 wrap document.domain in try/catch because of WP8 from file:///
+, hasDomain: function () {
+    // non-browser client always has a domain
+    if (!global.document) {
+      return true;
+    }
+
+    try {
+      return !!global.document.domain;
+    } catch (e) {
+      return false;
+    }
+  }
+};
+
+}).call(this,typeof global !== "undefined" ? global : typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {})
+
+},{}],45:[function(require,module,exports){
+'use strict';
+
+var JSON3 = require('json3');
+
+// Some extra characters that Chrome gets wrong, and substitutes with
+// something else on the wire.
+// eslint-disable-next-line no-control-regex
+var extraEscapable = /[\x00-\x1f\ud800-\udfff\ufffe\uffff\u0300-\u0333\u033d-\u0346\u034a-\u034c\u0350-\u0352\u0357-\u0358\u035c-\u0362\u0374\u037e\u0387\u0591-\u05af\u05c4\u0610-\u0617\u0653-\u0654\u0657-\u065b\u065d-\u065e\u06df-\u06e2\u06eb-\u06ec\u0730\u0732-\u0733\u0735-\u0736\u073a\u073d\u073f-\u0741\u0743\u0745\u0747\u07eb-\u07f1\u0951\u0958-\u095f\u09dc-\u09dd\u09df\u0a33\u0a36\u0a59-\u0a5b\u0a5e\u0b5c-\u0b5d\u0e38-\u0e39\u0f43\u0f4d\u0f52\u0f57\u0f5c\u0f69\u0f72-\u0f76\u0f78\u0f80-\u0f83\u0f93\u0f9d\u0fa2\u0fa7\u0fac\u0fb9\u1939-\u193a\u1a17\u1b6b\u1cda-\u1cdb\u1dc0-\u1dcf\u1dfc\u1dfe\u1f71\u1f73\u1f75\u1f77\u1f79\u1f7b\u1f7d\u1fbb\u1fbe\u1fc9\u1fcb\u1fd3\u1fdb\u1fe3\u1feb\u1fee-\u1fef\u1ff9\u1ffb\u1ffd\u2000-\u2001\u20d0-\u20d1\u20d4-\u20d7\u20e7-\u20e9\u2126\u212a-\u212b\u2329-\u232a\u2adc\u302b-\u302c\uaab2-\uaab3\uf900-\ufa0d\ufa10\ufa12\ufa15-\ufa1e\ufa20\ufa22\ufa25-\ufa26\ufa2a-\ufa2d\ufa30-\ufa6d\ufa70-\ufad9\ufb1d\ufb1f\ufb2a-\ufb36\ufb38-\ufb3c\ufb3e\ufb40-\ufb41\ufb43-\ufb44\ufb46-\ufb4e\ufff0-\uffff]/g
+  , extraLookup;
+
+// This may be quite slow, so let's delay until user actually uses bad
+// characters.
+var unrollLookup = function(escapable) {
+  var i;
+  var unrolled = {};
+  var c = [];
+  for (i = 0; i < 65536; i++) {
+    c.push( String.fromCharCode(i) );
+  }
+  escapable.lastIndex = 0;
+  c.join('').replace(escapable, function(a) {
+    unrolled[ a ] = '\\u' + ('0000' + a.charCodeAt(0).toString(16)).slice(-4);
+    return '';
+  });
+  escapable.lastIndex = 0;
+  return unrolled;
+};
+
+// Quote string, also taking care of unicode characters that browsers
+// often break. Especially, take care of unicode surrogates:
+// http://en.wikipedia.org/wiki/Mapping_of_Unicode_characters#Surrogates
+module.exports = {
+  quote: function(string) {
+    var quoted = JSON3.stringify(string);
+
+    // In most cases this should be very fast and good enough.
+    extraEscapable.lastIndex = 0;
+    if (!extraEscapable.test(quoted)) {
+      return quoted;
+    }
+
+    if (!extraLookup) {
+      extraLookup = unrollLookup(extraEscapable);
+    }
+
+    return quoted.replace(extraEscapable, function(a) {
+      return extraLookup[a];
+    });
+  }
+};
+
+},{"json3":58}],46:[function(require,module,exports){
+(function (global){
+'use strict';
+
+var random = require('./random');
+
+var onUnload = {}
+  , afterUnload = false
+    // detect google chrome packaged apps because they don't allow the 'unload' event
+  , isChromePackagedApp = global.chrome && global.chrome.app && global.chrome.app.runtime
+  ;
+
+module.exports = {
+  attachEvent: function(event, listener) {
+    if (typeof global.addEventListener !== 'undefined') {
+      global.addEventListener(event, listener, false);
+    } else if (global.document && global.attachEvent) {
+      // IE quirks.
+      // According to: http://stevesouders.com/misc/test-postmessage.php
+      // the message gets delivered only to 'document', not 'window'.
+      global.document.attachEvent('on' + event, listener);
+      // I get 'window' for ie8.
+      global.attachEvent('on' + event, listener);
+    }
+  }
+
+, detachEvent: function(event, listener) {
+    if (typeof global.addEventListener !== 'undefined') {
+      global.removeEventListener(event, listener, false);
+    } else if (global.document && global.detachEvent) {
+      global.document.detachEvent('on' + event, listener);
+      global.detachEvent('on' + event, listener);
+    }
+  }
+
+, unloadAdd: function(listener) {
+    if (isChromePackagedApp) {
+      return null;
+    }
+
+    var ref = random.string(8);
+    onUnload[ref] = listener;
+    if (afterUnload) {
+      setTimeout(this.triggerUnloadCallbacks, 0);
+    }
+    return ref;
+  }
+
+, unloadDel: function(ref) {
+    if (ref in onUnload) {
+      delete onUnload[ref];
+    }
+  }
+
+, triggerUnloadCallbacks: function() {
+    for (var ref in onUnload) {
+      onUnload[ref]();
+      delete onUnload[ref];
+    }
+  }
+};
+
+var unloadTriggered = function() {
+  if (afterUnload) {
+    return;
+  }
+  afterUnload = true;
+  module.exports.triggerUnloadCallbacks();
+};
+
+// 'unload' alone is not reliable in opera within an iframe, but we
+// can't use `beforeunload` as IE fires it on javascript: links.
+if (!isChromePackagedApp) {
+  module.exports.attachEvent('unload', unloadTriggered);
+}
+
+}).call(this,typeof global !== "undefined" ? global : typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {})
+
+},{"./random":50}],47:[function(require,module,exports){
+(function (process,global){
+'use strict';
+
+var eventUtils = require('./event')
+  , JSON3 = require('json3')
+  , browser = require('./browser')
+  ;
+
+var debug = function() {};
+if (process.env.NODE_ENV !== 'production') {
+  debug = require('debug')('sockjs-client:utils:iframe');
+}
+
+module.exports = {
+  WPrefix: '_jp'
+, currentWindowId: null
+
+, polluteGlobalNamespace: function() {
+    if (!(module.exports.WPrefix in global)) {
+      global[module.exports.WPrefix] = {};
+    }
+  }
+
+, postMessage: function(type, data) {
+    if (global.parent !== global) {
+      global.parent.postMessage(JSON3.stringify({
+        windowId: module.exports.currentWindowId
+      , type: type
+      , data: data || ''
+      }), '*');
+    } else {
+      debug('Cannot postMessage, no parent window.', type, data);
+    }
+  }
+
+, createIframe: function(iframeUrl, errorCallback) {
+    var iframe = global.document.createElement('iframe');
+    var tref, unloadRef;
+    var unattach = function() {
+      debug('unattach');
+      clearTimeout(tref);
+      // Explorer had problems with that.
+      try {
+        iframe.onload = null;
+      } catch (x) {
+        // intentionally empty
+      }
+      iframe.onerror = null;
+    };
+    var cleanup = function() {
+      debug('cleanup');
+      if (iframe) {
+        unattach();
+        // This timeout makes chrome fire onbeforeunload event
+        // within iframe. Without the timeout it goes straight to
+        // onunload.
+        setTimeout(function() {
+          if (iframe) {
+            iframe.parentNode.removeChild(iframe);
+          }
+          iframe = null;
+        }, 0);
+        eventUtils.unloadDel(unloadRef);
+      }
+    };
+    var onerror = function(err) {
+      debug('onerror', err);
+      if (iframe) {
+        cleanup();
+        errorCallback(err);
+      }
+    };
+    var post = function(msg, origin) {
+      debug('post', msg, origin);
+      try {
+        // When the iframe is not loaded, IE raises an exception
+        // on 'contentWindow'.
+        setTimeout(function() {
+          if (iframe && iframe.contentWindow) {
+            iframe.contentWindow.postMessage(msg, origin);
+          }
+        }, 0);
+      } catch (x) {
+        // intentionally empty
+      }
+    };
+
+    iframe.src = iframeUrl;
+    iframe.style.display = 'none';
+    iframe.style.position = 'absolute';
+    iframe.onerror = function() {
+      onerror('onerror');
+    };
+    iframe.onload = function() {
+      debug('onload');
+      // `onload` is triggered before scripts on the iframe are
+      // executed. Give it few seconds to actually load stuff.
+      clearTimeout(tref);
+      tref = setTimeout(function() {
+        onerror('onload timeout');
+      }, 2000);
+    };
+    global.document.body.appendChild(iframe);
+    tref = setTimeout(function() {
+      onerror('timeout');
+    }, 15000);
+    unloadRef = eventUtils.unloadAdd(cleanup);
+    return {
+      post: post
+    , cleanup: cleanup
+    , loaded: unattach
+    };
+  }
+
+/* eslint no-undef: "off", new-cap: "off" */
+, createHtmlfile: function(iframeUrl, errorCallback) {
+    var axo = ['Active'].concat('Object').join('X');
+    var doc = new global[axo]('htmlfile');
+    var tref, unloadRef;
+    var iframe;
+    var unattach = function() {
+      clearTimeout(tref);
+      iframe.onerror = null;
+    };
+    var cleanup = function() {
+      if (doc) {
+        unattach();
+        eventUtils.unloadDel(unloadRef);
+        iframe.parentNode.removeChild(iframe);
+        iframe = doc = null;
+        CollectGarbage();
+      }
+    };
+    var onerror = function(r) {
+      debug('onerror', r);
+      if (doc) {
+        cleanup();
+        errorCallback(r);
+      }
+    };
+    var post = function(msg, origin) {
+      try {
+        // When the iframe is not loaded, IE raises an exception
+        // on 'contentWindow'.
+        setTimeout(function() {
+          if (iframe && iframe.contentWindow) {
+              iframe.contentWindow.postMessage(msg, origin);
+          }
+        }, 0);
+      } catch (x) {
+        // intentionally empty
+      }
+    };
+
+    doc.open();
+    doc.write('<html><s' + 'cript>' +
+              'document.domain="' + global.document.domain + '";' +
+              '</s' + 'cript></html>');
+    doc.close();
+    doc.parentWindow[module.exports.WPrefix] = global[module.exports.WPrefix];
+    var c = doc.createElement('div');
+    doc.body.appendChild(c);
+    iframe = doc.createElement('iframe');
+    c.appendChild(iframe);
+    iframe.src = iframeUrl;
+    iframe.onerror = function() {
+      onerror('onerror');
+    };
+    tref = setTimeout(function() {
+      onerror('timeout');
+    }, 15000);
+    unloadRef = eventUtils.unloadAdd(cleanup);
+    return {
+      post: post
+    , cleanup: cleanup
+    , loaded: unattach
+    };
+  }
+};
+
+module.exports.iframeEnabled = false;
+if (global.document) {
+  // postMessage misbehaves in konqueror 4.6.5 - the messages are delivered with
+  // huge delay, or not at all.
+  module.exports.iframeEnabled = (typeof global.postMessage === 'function' ||
+    typeof global.postMessage === 'object') && (!browser.isKonqueror());
+}
+
+}).call(this,{ env: {} },typeof global !== "undefined" ? global : typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {})
+
+},{"./browser":44,"./event":46,"debug":55,"json3":58}],48:[function(require,module,exports){
+(function (global){
+'use strict';
+
+var logObject = {};
+['log', 'debug', 'warn'].forEach(function (level) {
+  var levelExists;
+
+  try {
+    levelExists = global.console && global.console[level] && global.console[level].apply;
+  } catch(e) {
+    // do nothing
+  }
+
+  logObject[level] = levelExists ? function () {
+    return global.console[level].apply(global.console, arguments);
+  } : (level === 'log' ? function () {} : logObject.log);
+});
+
+module.exports = logObject;
+
+}).call(this,typeof global !== "undefined" ? global : typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {})
+
+},{}],49:[function(require,module,exports){
+'use strict';
+
+module.exports = {
+  isObject: function(obj) {
+    var type = typeof obj;
+    return type === 'function' || type === 'object' && !!obj;
+  }
+
+, extend: function(obj) {
+    if (!this.isObject(obj)) {
+      return obj;
+    }
+    var source, prop;
+    for (var i = 1, length = arguments.length; i < length; i++) {
+      source = arguments[i];
+      for (prop in source) {
+        if (Object.prototype.hasOwnProperty.call(source, prop)) {
+          obj[prop] = source[prop];
+        }
+      }
+    }
+    return obj;
+  }
+};
+
+},{}],50:[function(require,module,exports){
+'use strict';
+
+/* global crypto:true */
+var crypto = require('crypto');
+
+// This string has length 32, a power of 2, so the modulus doesn't introduce a
+// bias.
+var _randomStringChars = 'abcdefghijklmnopqrstuvwxyz012345';
+module.exports = {
+  string: function(length) {
+    var max = _randomStringChars.length;
+    var bytes = crypto.randomBytes(length);
+    var ret = [];
+    for (var i = 0; i < length; i++) {
+      ret.push(_randomStringChars.substr(bytes[i] % max, 1));
+    }
+    return ret.join('');
+  }
+
+, number: function(max) {
+    return Math.floor(Math.random() * max);
+  }
+
+, numberString: function(max) {
+    var t = ('' + (max - 1)).length;
+    var p = new Array(t + 1).join('0');
+    return (p + this.number(max)).slice(-t);
+  }
+};
+
+},{"crypto":43}],51:[function(require,module,exports){
+(function (process){
+'use strict';
+
+var debug = function() {};
+if (process.env.NODE_ENV !== 'production') {
+  debug = require('debug')('sockjs-client:utils:transport');
+}
+
+module.exports = function(availableTransports) {
+  return {
+    filterToEnabled: function(transportsWhitelist, info) {
+      var transports = {
+        main: []
+      , facade: []
+      };
+      if (!transportsWhitelist) {
+        transportsWhitelist = [];
+      } else if (typeof transportsWhitelist === 'string') {
+        transportsWhitelist = [transportsWhitelist];
+      }
+
+      availableTransports.forEach(function(trans) {
+        if (!trans) {
+          return;
+        }
+
+        if (trans.transportName === 'websocket' && info.websocket === false) {
+          debug('disabled from server', 'websocket');
+          return;
+        }
+
+        if (transportsWhitelist.length &&
+            transportsWhitelist.indexOf(trans.transportName) === -1) {
+          debug('not in whitelist', trans.transportName);
+          return;
+        }
+
+        if (trans.enabled(info)) {
+          debug('enabled', trans.transportName);
+          transports.main.push(trans);
+          if (trans.facadeTransport) {
+            transports.facade.push(trans.facadeTransport);
+          }
+        } else {
+          debug('disabled', trans.transportName);
+        }
+      });
+      return transports;
+    }
+  };
+};
+
+}).call(this,{ env: {} })
+
+},{"debug":55}],52:[function(require,module,exports){
+(function (process){
+'use strict';
+
+var URL = require('url-parse');
+
+var debug = function() {};
+if (process.env.NODE_ENV !== 'production') {
+  debug = require('debug')('sockjs-client:utils:url');
+}
+
+module.exports = {
+  getOrigin: function(url) {
+    if (!url) {
+      return null;
+    }
+
+    var p = new URL(url);
+    if (p.protocol === 'file:') {
+      return null;
+    }
+
+    var port = p.port;
+    if (!port) {
+      port = (p.protocol === 'https:') ? '443' : '80';
+    }
+
+    return p.protocol + '//' + p.hostname + ':' + port;
+  }
+
+, isOriginEqual: function(a, b) {
+    var res = this.getOrigin(a) === this.getOrigin(b);
+    debug('same', a, b, res);
+    return res;
+  }
+
+, isSchemeEqual: function(a, b) {
+    return (a.split(':')[0] === b.split(':')[0]);
+  }
+
+, addPath: function (url, path) {
+    var qs = url.split('?');
+    return qs[0] + path + (qs[1] ? '?' + qs[1] : '');
+  }
+
+, addQuery: function (url, q) {
+    return url + (url.indexOf('?') === -1 ? ('?' + q) : ('&' + q));
+  }
+};
+
+}).call(this,{ env: {} })
+
+},{"debug":55,"url-parse":61}],53:[function(require,module,exports){
+module.exports = '1.1.4';
+
+},{}],54:[function(require,module,exports){
+/**
+ * Helpers.
+ */
+
+var s = 1000
+var m = s * 60
+var h = m * 60
+var d = h * 24
+var y = d * 365.25
+
+/**
+ * Parse or format the given `val`.
+ *
+ * Options:
+ *
+ *  - `long` verbose formatting [false]
+ *
+ * @param {String|Number} val
+ * @param {Object} [options]
+ * @throws {Error} throw an error if val is not a non-empty string or a number
+ * @return {String|Number}
+ * @api public
+ */
+
+module.exports = function (val, options) {
+  options = options || {}
+  var type = typeof val
+  if (type === 'string' && val.length > 0) {
+    return parse(val)
+  } else if (type === 'number' && isNaN(val) === false) {
+    return options.long ?
+			fmtLong(val) :
+			fmtShort(val)
+  }
+  throw new Error('val is not a non-empty string or a valid number. val=' + JSON.stringify(val))
+}
+
+/**
+ * Parse the given `str` and return milliseconds.
+ *
+ * @param {String} str
+ * @return {Number}
+ * @api private
+ */
+
+function parse(str) {
+  str = String(str)
+  if (str.length > 10000) {
+    return
+  }
+  var match = /^((?:\d+)?\.?\d+) *(milliseconds?|msecs?|ms|seconds?|secs?|s|minutes?|mins?|m|hours?|hrs?|h|days?|d|years?|yrs?|y)?$/i.exec(str)
+  if (!match) {
+    return
+  }
+  var n = parseFloat(match[1])
+  var type = (match[2] || 'ms').toLowerCase()
+  switch (type) {
+    case 'years':
+    case 'year':
+    case 'yrs':
+    case 'yr':
+    case 'y':
+      return n * y
+    case 'days':
+    case 'day':
+    case 'd':
+      return n * d
+    case 'hours':
+    case 'hour':
+    case 'hrs':
+    case 'hr':
+    case 'h':
+      return n * h
+    case 'minutes':
+    case 'minute':
+    case 'mins':
+    case 'min':
+    case 'm':
+      return n * m
+    case 'seconds':
+    case 'second':
+    case 'secs':
+    case 'sec':
+    case 's':
+      return n * s
+    case 'milliseconds':
+    case 'millisecond':
+    case 'msecs':
+    case 'msec':
+    case 'ms':
+      return n
+    default:
+      return undefined
+  }
+}
+
+/**
+ * Short format for `ms`.
+ *
+ * @param {Number} ms
+ * @return {String}
+ * @api private
+ */
+
+function fmtShort(ms) {
+  if (ms >= d) {
+    return Math.round(ms / d) + 'd'
+  }
+  if (ms >= h) {
+    return Math.round(ms / h) + 'h'
+  }
+  if (ms >= m) {
+    return Math.round(ms / m) + 'm'
+  }
+  if (ms >= s) {
+    return Math.round(ms / s) + 's'
+  }
+  return ms + 'ms'
+}
+
+/**
+ * Long format for `ms`.
+ *
+ * @param {Number} ms
+ * @return {String}
+ * @api private
+ */
+
+function fmtLong(ms) {
+  return plural(ms, d, 'day') ||
+    plural(ms, h, 'hour') ||
+    plural(ms, m, 'minute') ||
+    plural(ms, s, 'second') ||
+    ms + ' ms'
+}
+
+/**
+ * Pluralization helper.
+ */
+
+function plural(ms, n, name) {
+  if (ms < n) {
+    return
+  }
+  if (ms < n * 1.5) {
+    return Math.floor(ms / n) + ' ' + name
+  }
+  return Math.ceil(ms / n) + ' ' + name + 's'
+}
+
+},{}],55:[function(require,module,exports){
+(function (process){
+/**
+ * This is the web browser implementation of `debug()`.
+ *
+ * Expose `debug()` as the module.
+ */
+
+exports = module.exports = require('./debug');
+exports.log = log;
+exports.formatArgs = formatArgs;
+exports.save = save;
+exports.load = load;
+exports.useColors = useColors;
+exports.storage = 'undefined' != typeof chrome
+               && 'undefined' != typeof chrome.storage
+                  ? chrome.storage.local
+                  : localstorage();
+
+/**
+ * Colors.
+ */
+
+exports.colors = [
+  'lightseagreen',
+  'forestgreen',
+  'goldenrod',
+  'dodgerblue',
+  'darkorchid',
+  'crimson'
+];
+
+/**
+ * Currently only WebKit-based Web Inspectors, Firefox >= v31,
+ * and the Firebug extension (any Firefox version) are known
+ * to support "%c" CSS customizations.
+ *
+ * TODO: add a `localStorage` variable to explicitly enable/disable colors
+ */
+
+function useColors() {
+  // NB: In an Electron preload script, document will be defined but not fully
+  // initialized. Since we know we're in Chrome, we'll just detect this case
+  // explicitly
+  if (typeof window !== 'undefined' && window.process && window.process.type === 'renderer') {
+    return true;
+  }
+
+  // is webkit? http://stackoverflow.com/a/16459606/376773
+  // document is undefined in react-native: https://github.com/facebook/react-native/pull/1632
+  return (typeof document !== 'undefined' && document && document.documentElement && document.documentElement.style && document.documentElement.style.WebkitAppearance) ||
+    // is firebug? http://stackoverflow.com/a/398120/376773
+    (typeof window !== 'undefined' && window && window.console && (window.console.firebug || (window.console.exception && window.console.table))) ||
+    // is firefox >= v31?
+    // https://developer.mozilla.org/en-US/docs/Tools/Web_Console#Styling_messages
+    (typeof navigator !== 'undefined' && navigator && navigator.userAgent && navigator.userAgent.toLowerCase().match(/firefox\/(\d+)/) && parseInt(RegExp.$1, 10) >= 31) ||
+    // double check webkit in userAgent just in case we are in a worker
+    (typeof navigator !== 'undefined' && navigator && navigator.userAgent && navigator.userAgent.toLowerCase().match(/applewebkit\/(\d+)/));
+}
+
+/**
+ * Map %j to `JSON.stringify()`, since no Web Inspectors do that by default.
+ */
+
+exports.formatters.j = function(v) {
+  try {
+    return JSON.stringify(v);
+  } catch (err) {
+    return '[UnexpectedJSONParseError]: ' + err.message;
+  }
+};
+
+
+/**
+ * Colorize log arguments if enabled.
+ *
+ * @api public
+ */
+
+function formatArgs(args) {
+  var useColors = this.useColors;
+
+  args[0] = (useColors ? '%c' : '')
+    + this.namespace
+    + (useColors ? ' %c' : ' ')
+    + args[0]
+    + (useColors ? '%c ' : ' ')
+    + '+' + exports.humanize(this.diff);
+
+  if (!useColors) return;
+
+  var c = 'color: ' + this.color;
+  args.splice(1, 0, c, 'color: inherit')
+
+  // the final "%c" is somewhat tricky, because there could be other
+  // arguments passed either before or after the %c, so we need to
+  // figure out the correct index to insert the CSS into
+  var index = 0;
+  var lastC = 0;
+  args[0].replace(/%[a-zA-Z%]/g, function(match) {
+    if ('%%' === match) return;
+    index++;
+    if ('%c' === match) {
+      // we only are interested in the *last* %c
+      // (the user may have provided their own)
+      lastC = index;
+    }
+  });
+
+  args.splice(lastC, 0, c);
+}
+
+/**
+ * Invokes `console.log()` when available.
+ * No-op when `console.log` is not a "function".
+ *
+ * @api public
+ */
+
+function log() {
+  // this hackery is required for IE8/9, where
+  // the `console.log` function doesn't have 'apply'
+  return 'object' === typeof console
+    && console.log
+    && Function.prototype.apply.call(console.log, console, arguments);
+}
+
+/**
+ * Save `namespaces`.
+ *
+ * @param {String} namespaces
+ * @api private
+ */
+
+function save(namespaces) {
+  try {
+    if (null == namespaces) {
+      exports.storage.removeItem('debug');
+    } else {
+      exports.storage.debug = namespaces;
+    }
+  } catch(e) {}
+}
+
+/**
+ * Load `namespaces`.
+ *
+ * @return {String} returns the previously persisted debug modes
+ * @api private
+ */
+
+function load() {
+  var r;
+  try {
+    r = exports.storage.debug;
+  } catch(e) {}
+
+  // If debug isn't set in LS, and we're in Electron, try to load $DEBUG
+  if (!r && typeof process !== 'undefined' && 'env' in process) {
+    r = process.env.DEBUG;
+  }
+
+  return r;
+}
+
+/**
+ * Enable namespaces listed in `localStorage.debug` initially.
+ */
+
+exports.enable(load());
+
+/**
+ * Localstorage attempts to return the localstorage.
+ *
+ * This is necessary because safari throws
+ * when a user disables cookies/localstorage
+ * and you attempt to access it.
+ *
+ * @return {LocalStorage}
+ * @api private
+ */
+
+function localstorage() {
+  try {
+    return window.localStorage;
+  } catch (e) {}
+}
+
+}).call(this,{ env: {} })
+
+},{"./debug":56}],56:[function(require,module,exports){
+
+/**
+ * This is the common logic for both the Node.js and web browser
+ * implementations of `debug()`.
+ *
+ * Expose `debug()` as the module.
+ */
+
+exports = module.exports = createDebug.debug = createDebug['default'] = createDebug;
+exports.coerce = coerce;
+exports.disable = disable;
+exports.enable = enable;
+exports.enabled = enabled;
+exports.humanize = require('ms');
+
+/**
+ * The currently active debug mode names, and names to skip.
+ */
+
+exports.names = [];
+exports.skips = [];
+
+/**
+ * Map of special "%n" handling functions, for the debug "format" argument.
+ *
+ * Valid key names are a single, lower or upper-case letter, i.e. "n" and "N".
+ */
+
+exports.formatters = {};
+
+/**
+ * Previous log timestamp.
+ */
+
+var prevTime;
+
+/**
+ * Select a color.
+ * @param {String} namespace
+ * @return {Number}
+ * @api private
+ */
+
+function selectColor(namespace) {
+  var hash = 0, i;
+
+  for (i in namespace) {
+    hash  = ((hash << 5) - hash) + namespace.charCodeAt(i);
+    hash |= 0; // Convert to 32bit integer
+  }
+
+  return exports.colors[Math.abs(hash) % exports.colors.length];
+}
+
+/**
+ * Create a debugger with the given `namespace`.
+ *
+ * @param {String} namespace
+ * @return {Function}
+ * @api public
+ */
+
+function createDebug(namespace) {
+
+  function debug() {
+    // disabled?
+    if (!debug.enabled) return;
+
+    var self = debug;
+
+    // set `diff` timestamp
+    var curr = +new Date();
+    var ms = curr - (prevTime || curr);
+    self.diff = ms;
+    self.prev = prevTime;
+    self.curr = curr;
+    prevTime = curr;
+
+    // turn the `arguments` into a proper Array
+    var args = new Array(arguments.length);
+    for (var i = 0; i < args.length; i++) {
+      args[i] = arguments[i];
+    }
+
+    args[0] = exports.coerce(args[0]);
+
+    if ('string' !== typeof args[0]) {
+      // anything else let's inspect with %O
+      args.unshift('%O');
+    }
+
+    // apply any `formatters` transformations
+    var index = 0;
+    args[0] = args[0].replace(/%([a-zA-Z%])/g, function(match, format) {
+      // if we encounter an escaped % then don't increase the array index
+      if (match === '%%') return match;
+      index++;
+      var formatter = exports.formatters[format];
+      if ('function' === typeof formatter) {
+        var val = args[index];
+        match = formatter.call(self, val);
+
+        // now we need to remove `args[index]` since it's inlined in the `format`
+        args.splice(index, 1);
+        index--;
+      }
+      return match;
+    });
+
+    // apply env-specific formatting (colors, etc.)
+    exports.formatArgs.call(self, args);
+
+    var logFn = debug.log || exports.log || console.log.bind(console);
+    logFn.apply(self, args);
+  }
+
+  debug.namespace = namespace;
+  debug.enabled = exports.enabled(namespace);
+  debug.useColors = exports.useColors();
+  debug.color = selectColor(namespace);
+
+  // env-specific initialization logic for debug instances
+  if ('function' === typeof exports.init) {
+    exports.init(debug);
+  }
+
+  return debug;
+}
+
+/**
+ * Enables a debug mode by namespaces. This can include modes
+ * separated by a colon and wildcards.
+ *
+ * @param {String} namespaces
+ * @api public
+ */
+
+function enable(namespaces) {
+  exports.save(namespaces);
+
+  exports.names = [];
+  exports.skips = [];
+
+  var split = (typeof namespaces === 'string' ? namespaces : '').split(/[\s,]+/);
+  var len = split.length;
+
+  for (var i = 0; i < len; i++) {
+    if (!split[i]) continue; // ignore empty strings
+    namespaces = split[i].replace(/\*/g, '.*?');
+    if (namespaces[0] === '-') {
+      exports.skips.push(new RegExp('^' + namespaces.substr(1) + '$'));
+    } else {
+      exports.names.push(new RegExp('^' + namespaces + '$'));
+    }
+  }
+}
+
+/**
+ * Disable debug output.
+ *
+ * @api public
+ */
+
+function disable() {
+  exports.enable('');
+}
+
+/**
+ * Returns true if the given mode name is enabled, false otherwise.
+ *
+ * @param {String} name
+ * @return {Boolean}
+ * @api public
+ */
+
+function enabled(name) {
+  var i, len;
+  for (i = 0, len = exports.skips.length; i < len; i++) {
+    if (exports.skips[i].test(name)) {
+      return false;
+    }
+  }
+  for (i = 0, len = exports.names.length; i < len; i++) {
+    if (exports.names[i].test(name)) {
+      return true;
+    }
+  }
+  return false;
+}
+
+/**
+ * Coerce `val`.
+ *
+ * @param {Mixed} val
+ * @return {Mixed}
+ * @api private
+ */
+
+function coerce(val) {
+  if (val instanceof Error) return val.stack || val.message;
+  return val;
+}
+
+},{"ms":54}],57:[function(require,module,exports){
+if (typeof Object.create === 'function') {
+  // implementation from standard node.js 'util' module
+  module.exports = function inherits(ctor, superCtor) {
+    ctor.super_ = superCtor
+    ctor.prototype = Object.create(superCtor.prototype, {
+      constructor: {
+        value: ctor,
+        enumerable: false,
+        writable: true,
+        configurable: true
+      }
+    });
+  };
+} else {
+  // old school shim for old browsers
+  module.exports = function inherits(ctor, superCtor) {
+    ctor.super_ = superCtor
+    var TempCtor = function () {}
+    TempCtor.prototype = superCtor.prototype
+    ctor.prototype = new TempCtor()
+    ctor.prototype.constructor = ctor
+  }
+}
+
+},{}],58:[function(require,module,exports){
+(function (global){
+/*! JSON v3.3.2 | http://bestiejs.github.io/json3 | Copyright 2012-2014, Kit Cambridge | http://kit.mit-license.org */
+;(function () {
+  // Detect the `define` function exposed by asynchronous module loaders. The
+  // strict `define` check is necessary for compatibility with `r.js`.
+  var isLoader = typeof define === "function" && define.amd;
+
+  // A set of types used to distinguish objects from primitives.
+  var objectTypes = {
+    "function": true,
+    "object": true
+  };
+
+  // Detect the `exports` object exposed by CommonJS implementations.
+  var freeExports = objectTypes[typeof exports] && exports && !exports.nodeType && exports;
+
+  // Use the `global` object exposed by Node (including Browserify via
+  // `insert-module-globals`), Narwhal, and Ringo as the default context,
+  // and the `window` object in browsers. Rhino exports a `global` function
+  // instead.
+  var root = objectTypes[typeof window] && window || this,
+      freeGlobal = freeExports && objectTypes[typeof module] && module && !module.nodeType && typeof global == "object" && global;
+
+  if (freeGlobal && (freeGlobal["global"] === freeGlobal || freeGlobal["window"] === freeGlobal || freeGlobal["self"] === freeGlobal)) {
+    root = freeGlobal;
+  }
+
+  // Public: Initializes JSON 3 using the given `context` object, attaching the
+  // `stringify` and `parse` functions to the specified `exports` object.
+  function runInContext(context, exports) {
+    context || (context = root["Object"]());
+    exports || (exports = root["Object"]());
+
+    // Native constructor aliases.
+    var Number = context["Number"] || root["Number"],
+        String = context["String"] || root["String"],
+        Object = context["Object"] || root["Object"],
+        Date = context["Date"] || root["Date"],
+        SyntaxError = context["SyntaxError"] || root["SyntaxError"],
+        TypeError = context["TypeError"] || root["TypeError"],
+        Math = context["Math"] || root["Math"],
+        nativeJSON = context["JSON"] || root["JSON"];
+
+    // Delegate to the native `stringify` and `parse` implementations.
+    if (typeof nativeJSON == "object" && nativeJSON) {
+      exports.stringify = nativeJSON.stringify;
+      exports.parse = nativeJSON.parse;
+    }
+
+    // Convenience aliases.
+    var objectProto = Object.prototype,
+        getClass = objectProto.toString,
+        isProperty, forEach, undef;
+
+    // Test the `Date#getUTC*` methods. Based on work by @Yaffle.
+    var isExtended = new Date(-3509827334573292);
+    try {
+      // The `getUTCFullYear`, `Month`, and `Date` methods return nonsensical
+      // results for certain dates in Opera >= 10.53.
+      isExtended = isExtended.getUTCFullYear() == -109252 && isExtended.getUTCMonth() === 0 && isExtended.getUTCDate() === 1 &&
+        // Safari < 2.0.2 stores the internal millisecond time value correctly,
+        // but clips the values returned by the date methods to the range of
+        // signed 32-bit integers ([-2 ** 31, 2 ** 31 - 1]).
+        isExtended.getUTCHours() == 10 && isExtended.getUTCMinutes() == 37 && isExtended.getUTCSeconds() == 6 && isExtended.getUTCMilliseconds() == 708;
+    } catch (exception) {}
+
+    // Internal: Determines whether the native `JSON.stringify` and `parse`
+    // implementations are spec-compliant. Based on work by Ken Snyder.
+    function has(name) {
+      if (has[name] !== undef) {
+        // Return cached feature test result.
+        return has[name];
+      }
+      var isSupported;
+      if (name == "bug-string-char-index") {
+        // IE <= 7 doesn't support accessing string characters using square
+        // bracket notation. IE 8 only supports this for primitives.
+        isSupported = "a"[0] != "a";
+      } else if (name == "json") {
+        // Indicates whether both `JSON.stringify` and `JSON.parse` are
+        // supported.
+        isSupported = has("json-stringify") && has("json-parse");
+      } else {
+        var value, serialized = '{"a":[1,true,false,null,"\\u0000\\b\\n\\f\\r\\t"]}';
+        // Test `JSON.stringify`.
+        if (name == "json-stringify") {
+          var stringify = exports.stringify, stringifySupported = typeof stringify == "function" && isExtended;
+          if (stringifySupported) {
+            // A test function object with a custom `toJSON` method.
+            (value = function () {
+              return 1;
+            }).toJSON = value;
+            try {
+              stringifySupported =
+                // Firefox 3.1b1 and b2 serialize string, number, and boolean
+                // primitives as object literals.
+                stringify(0) === "0" &&
+                // FF 3.1b1, b2, and JSON 2 serialize wrapped primitives as object
+                // literals.
+                stringify(new Number()) === "0" &&
+                stringify(new String()) == '""' &&
+                // FF 3.1b1, 2 throw an error if the value is `null`, `undefined`, or
+                // does not define a canonical JSON representation (this applies to
+                // objects with `toJSON` properties as well, *unless* they are nested
+                // within an object or array).
+                stringify(getClass) === undef &&
+                // IE 8 serializes `undefined` as `"undefined"`. Safari <= 5.1.7 and
+                // FF 3.1b3 pass this test.
+                stringify(undef) === undef &&
+                // Safari <= 5.1.7 and FF 3.1b3 throw `Error`s and `TypeError`s,
+                // respectively, if the value is omitted entirely.
+                stringify() === undef &&
+                // FF 3.1b1, 2 throw an error if the given value is not a number,
+                // string, array, object, Boolean, or `null` literal. This applies to
+                // objects with custom `toJSON` methods as well, unless they are nested
+                // inside object or array literals. YUI 3.0.0b1 ignores custom `toJSON`
+                // methods entirely.
+                stringify(value) === "1" &&
+                stringify([value]) == "[1]" &&
+                // Prototype <= 1.6.1 serializes `[undefined]` as `"[]"` instead of
+                // `"[null]"`.
+                stringify([undef]) == "[null]" &&
+                // YUI 3.0.0b1 fails to serialize `null` literals.
+                stringify(null) == "null" &&
+                // FF 3.1b1, 2 halts serialization if an array contains a function:
+                // `[1, true, getClass, 1]` serializes as "[1,true,],". FF 3.1b3
+                // elides non-JSON values from objects and arrays, unless they
+                // define custom `toJSON` methods.
+                stringify([undef, getClass, null]) == "[null,null,null]" &&
+                // Simple serialization test. FF 3.1b1 uses Unicode escape sequences
+                // where character escape codes are expected (e.g., `\b` => `\u0008`).
+                stringify({ "a": [value, true, false, null, "\x00\b\n\f\r\t"] }) == serialized &&
+                // FF 3.1b1 and b2 ignore the `filter` and `width` arguments.
+                stringify(null, value) === "1" &&
+                stringify([1, 2], null, 1) == "[\n 1,\n 2\n]" &&
+                // JSON 2, Prototype <= 1.7, and older WebKit builds incorrectly
+                // serialize extended years.
+                stringify(new Date(-8.64e15)) == '"-271821-04-20T00:00:00.000Z"' &&
+                // The milliseconds are optional in ES 5, but required in 5.1.
+                stringify(new Date(8.64e15)) == '"+275760-09-13T00:00:00.000Z"' &&
+                // Firefox <= 11.0 incorrectly serializes years prior to 0 as negative
+                // four-digit years instead of six-digit years. Credits: @Yaffle.
+                stringify(new Date(-621987552e5)) == '"-000001-01-01T00:00:00.000Z"' &&
+                // Safari <= 5.1.5 and Opera >= 10.53 incorrectly serialize millisecond
+                // values less than 1000. Credits: @Yaffle.
+                stringify(new Date(-1)) == '"1969-12-31T23:59:59.999Z"';
+            } catch (exception) {
+              stringifySupported = false;
+            }
+          }
+          isSupported = stringifySupported;
+        }
+        // Test `JSON.parse`.
+        if (name == "json-parse") {
+          var parse = exports.parse;
+          if (typeof parse == "function") {
+            try {
+              // FF 3.1b1, b2 will throw an exception if a bare literal is provided.
+              // Conforming implementations should also coerce the initial argument to
+              // a string prior to parsing.
+              if (parse("0") === 0 && !parse(false)) {
+                // Simple parsing test.
+                value = parse(serialized);
+                var parseSupported = value["a"].length == 5 && value["a"][0] === 1;
+                if (parseSupported) {
+                  try {
+                    // Safari <= 5.1.2 and FF 3.1b1 allow unescaped tabs in strings.
+                    parseSupported = !parse('"\t"');
+                  } catch (exception) {}
+                  if (parseSupported) {
+                    try {
+                      // FF 4.0 and 4.0.1 allow leading `+` signs and leading
+                      // decimal points. FF 4.0, 4.0.1, and IE 9-10 also allow
+                      // certain octal literals.
+                      parseSupported = parse("01") !== 1;
+                    } catch (exception) {}
+                  }
+                  if (parseSupported) {
+                    try {
+                      // FF 4.0, 4.0.1, and Rhino 1.7R3-R4 allow trailing decimal
+                      // points. These environments, along with FF 3.1b1 and 2,
+                      // also allow trailing commas in JSON objects and arrays.
+                      parseSupported = parse("1.") !== 1;
+                    } catch (exception) {}
+                  }
+                }
+              }
+            } catch (exception) {
+              parseSupported = false;
+            }
+          }
+          isSupported = parseSupported;
+        }
+      }
+      return has[name] = !!isSupported;
+    }
+
+    if (!has("json")) {
+      // Common `[[Class]]` name aliases.
+      var functionClass = "[object Function]",
+          dateClass = "[object Date]",
+          numberClass = "[object Number]",
+          stringClass = "[object String]",
+          arrayClass = "[object Array]",
+          booleanClass = "[object Boolean]";
+
+      // Detect incomplete support for accessing string characters by index.
+      var charIndexBuggy = has("bug-string-char-index");
+
+      // Define additional utility methods if the `Date` methods are buggy.
+      if (!isExtended) {
+        var floor = Math.floor;
+        // A mapping between the months of the year and the number of days between
+        // January 1st and the first of the respective month.
+        var Months = [0, 31, 59, 90, 120, 151, 181, 212, 243, 273, 304, 334];
+        // Internal: Calculates the number of days between the Unix epoch and the
+        // first day of the given month.
+        var getDay = function (year, month) {
+          return Months[month] + 365 * (year - 1970) + floor((year - 1969 + (month = +(month > 1))) / 4) - floor((year - 1901 + month) / 100) + floor((year - 1601 + month) / 400);
+        };
+      }
+
+      // Internal: Determines if a property is a direct property of the given
+      // object. Delegates to the native `Object#hasOwnProperty` method.
+      if (!(isProperty = objectProto.hasOwnProperty)) {
+        isProperty = function (property) {
+          var members = {}, constructor;
+          if ((members.__proto__ = null, members.__proto__ = {
+            // The *proto* property cannot be set multiple times in recent
+            // versions of Firefox and SeaMonkey.
+            "toString": 1
+          }, members).toString != getClass) {
+            // Safari <= 2.0.3 doesn't implement `Object#hasOwnProperty`, but
+            // supports the mutable *proto* property.
+            isProperty = function (property) {
+              // Capture and break the object's prototype chain (see section 8.6.2
+              // of the ES 5.1 spec). The parenthesized expression prevents an
+              // unsafe transformation by the Closure Compiler.
+              var original = this.__proto__, result = property in (this.__proto__ = null, this);
+              // Restore the original prototype chain.
+              this.__proto__ = original;
+              return result;
+            };
+          } else {
+            // Capture a reference to the top-level `Object` constructor.
+            constructor = members.constructor;
+            // Use the `constructor` property to simulate `Object#hasOwnProperty` in
+            // other environments.
+            isProperty = function (property) {
+              var parent = (this.constructor || constructor).prototype;
+              return property in this && !(property in parent && this[property] === parent[property]);
+            };
+          }
+          members = null;
+          return isProperty.call(this, property);
+        };
+      }
+
+      // Internal: Normalizes the `for...in` iteration algorithm across
+      // environments. Each enumerated key is yielded to a `callback` function.
+      forEach = function (object, callback) {
+        var size = 0, Properties, members, property;
+
+        // Tests for bugs in the current environment's `for...in` algorithm. The
+        // `valueOf` property inherits the non-enumerable flag from
+        // `Object.prototype` in older versions of IE, Netscape, and Mozilla.
+        (Properties = function () {
+          this.valueOf = 0;
+        }).prototype.valueOf = 0;
+
+        // Iterate over a new instance of the `Properties` class.
+        members = new Properties();
+        for (property in members) {
+          // Ignore all properties inherited from `Object.prototype`.
+          if (isProperty.call(members, property)) {
+            size++;
+          }
+        }
+        Properties = members = null;
+
+        // Normalize the iteration algorithm.
+        if (!size) {
+          // A list of non-enumerable properties inherited from `Object.prototype`.
+          members = ["valueOf", "toString", "toLocaleString", "propertyIsEnumerable", "isPrototypeOf", "hasOwnProperty", "constructor"];
+          // IE <= 8, Mozilla 1.0, and Netscape 6.2 ignore shadowed non-enumerable
+          // properties.
+          forEach = function (object, callback) {
+            var isFunction = getClass.call(object) == functionClass, property, length;
+            var hasProperty = !isFunction && typeof object.constructor != "function" && objectTypes[typeof object.hasOwnProperty] && object.hasOwnProperty || isProperty;
+            for (property in object) {
+              // Gecko <= 1.0 enumerates the `prototype` property of functions under
+              // certain conditions; IE does not.
+              if (!(isFunction && property == "prototype") && hasProperty.call(object, property)) {
+                callback(property);
+              }
+            }
+            // Manually invoke the callback for each non-enumerable property.
+            for (length = members.length; property = members[--length]; hasProperty.call(object, property) && callback(property));
+          };
+        } else if (size == 2) {
+          // Safari <= 2.0.4 enumerates shadowed properties twice.
+          forEach = function (object, callback) {
+            // Create a set of iterated properties.
+            var members = {}, isFunction = getClass.call(object) == functionClass, property;
+            for (property in object) {
+              // Store each property name to prevent double enumeration. The
+              // `prototype` property of functions is not enumerated due to cross-
+              // environment inconsistencies.
+              if (!(isFunction && property == "prototype") && !isProperty.call(members, property) && (members[property] = 1) && isProperty.call(object, property)) {
+                callback(property);
+              }
+            }
+          };
+        } else {
+          // No bugs detected; use the standard `for...in` algorithm.
+          forEach = function (object, callback) {
+            var isFunction = getClass.call(object) == functionClass, property, isConstructor;
+            for (property in object) {
+              if (!(isFunction && property == "prototype") && isProperty.call(object, property) && !(isConstructor = property === "constructor")) {
+                callback(property);
+              }
+            }
+            // Manually invoke the callback for the `constructor` property due to
+            // cross-environment inconsistencies.
+            if (isConstructor || isProperty.call(object, (property = "constructor"))) {
+              callback(property);
+            }
+          };
+        }
+        return forEach(object, callback);
+      };
+
+      // Public: Serializes a JavaScript `value` as a JSON string. The optional
+      // `filter` argument may specify either a function that alters how object and
+      // array members are serialized, or an array of strings and numbers that
+      // indicates which properties should be serialized. The optional `width`
+      // argument may be either a string or number that specifies the indentation
+      // level of the output.
+      if (!has("json-stringify")) {
+        // Internal: A map of control characters and their escaped equivalents.
+        var Escapes = {
+          92: "\\\\",
+          34: '\\"',
+          8: "\\b",
+          12: "\\f",
+          10: "\\n",
+          13: "\\r",
+          9: "\\t"
+        };
+
+        // Internal: Converts `value` into a zero-padded string such that its
+        // length is at least equal to `width`. The `width` must be <= 6.
+        var leadingZeroes = "000000";
+        var toPaddedString = function (width, value) {
+          // The `|| 0` expression is necessary to work around a bug in
+          // Opera <= 7.54u2 where `0 == -0`, but `String(-0) !== "0"`.
+          return (leadingZeroes + (value || 0)).slice(-width);
+        };
+
+        // Internal: Double-quotes a string `value`, replacing all ASCII control
+        // characters (characters with code unit values between 0 and 31) with
+        // their escaped equivalents. This is an implementation of the
+        // `Quote(value)` operation defined in ES 5.1 section 15.12.3.
+        var unicodePrefix = "\\u00";
+        var quote = function (value) {
+          var result = '"', index = 0, length = value.length, useCharIndex = !charIndexBuggy || length > 10;
+          var symbols = useCharIndex && (charIndexBuggy ? value.split("") : value);
+          for (; index < length; index++) {
+            var charCode = value.charCodeAt(index);
+            // If the character is a control character, append its Unicode or
+            // shorthand escape sequence; otherwise, append the character as-is.
+            switch (charCode) {
+              case 8: case 9: case 10: case 12: case 13: case 34: case 92:
+                result += Escapes[charCode];
+                break;
+              default:
+                if (charCode < 32) {
+                  result += unicodePrefix + toPaddedString(2, charCode.toString(16));
+                  break;
+                }
+                result += useCharIndex ? symbols[index] : value.charAt(index);
+            }
+          }
+          return result + '"';
+        };
+
+        // Internal: Recursively serializes an object. Implements the
+        // `Str(key, holder)`, `JO(value)`, and `JA(value)` operations.
+        var serialize = function (property, object, callback, properties, whitespace, indentation, stack) {
+          var value, className, year, month, date, time, hours, minutes, seconds, milliseconds, results, element, index, length, prefix, result;
+          try {
+            // Necessary for host object support.
+            value = object[property];
+          } catch (exception) {}
+          if (typeof value == "object" && value) {
+            className = getClass.call(value);
+            if (className == dateClass && !isProperty.call(value, "toJSON")) {
+              if (value > -1 / 0 && value < 1 / 0) {
+                // Dates are serialized according to the `Date#toJSON` method
+                // specified in ES 5.1 section 15.9.5.44. See section 15.9.1.15
+                // for the ISO 8601 date time string format.
+                if (getDay) {
+                  // Manually compute the year, month, date, hours, minutes,
+                  // seconds, and milliseconds if the `getUTC*` methods are
+                  // buggy. Adapted from @Yaffle's `date-shim` project.
+                  date = floor(value / 864e5);
+                  for (year = floor(date / 365.2425) + 1970 - 1; getDay(year + 1, 0) <= date; year++);
+                  for (month = floor((date - getDay(year, 0)) / 30.42); getDay(year, month + 1) <= date; month++);
+                  date = 1 + date - getDay(year, month);
+                  // The `time` value specifies the time within the day (see ES
+                  // 5.1 section 15.9.1.2). The formula `(A % B + B) % B` is used
+                  // to compute `A modulo B`, as the `%` operator does not
+                  // correspond to the `modulo` operation for negative numbers.
+                  time = (value % 864e5 + 864e5) % 864e5;
+                  // The hours, minutes, seconds, and milliseconds are obtained by
+                  // decomposing the time within the day. See section 15.9.1.10.
+                  hours = floor(time / 36e5) % 24;
+                  minutes = floor(time / 6e4) % 60;
+                  seconds = floor(time / 1e3) % 60;
+                  milliseconds = time % 1e3;
+                } else {
+                  year = value.getUTCFullYear();
+                  month = value.getUTCMonth();
+                  date = value.getUTCDate();
+                  hours = value.getUTCHours();
+                  minutes = value.getUTCMinutes();
+                  seconds = value.getUTCSeconds();
+                  milliseconds = value.getUTCMilliseconds();
+                }
+                // Serialize extended years correctly.
+                value = (year <= 0 || year >= 1e4 ? (year < 0 ? "-" : "+") + toPaddedString(6, year < 0 ? -year : year) : toPaddedString(4, year)) +
+                  "-" + toPaddedString(2, month + 1) + "-" + toPaddedString(2, date) +
+                  // Months, dates, hours, minutes, and seconds should have two
+                  // digits; milliseconds should have three.
+                  "T" + toPaddedString(2, hours) + ":" + toPaddedString(2, minutes) + ":" + toPaddedString(2, seconds) +
+                  // Milliseconds are optional in ES 5.0, but required in 5.1.
+                  "." + toPaddedString(3, milliseconds) + "Z";
+              } else {
+                value = null;
+              }
+            } else if (typeof value.toJSON == "function" && ((className != numberClass && className != stringClass && className != arrayClass) || isProperty.call(value, "toJSON"))) {
+              // Prototype <= 1.6.1 adds non-standard `toJSON` methods to the
+              // `Number`, `String`, `Date`, and `Array` prototypes. JSON 3
+              // ignores all `toJSON` methods on these objects unless they are
+              // defined directly on an instance.
+              value = value.toJSON(property);
+            }
+          }
+          if (callback) {
+            // If a replacement function was provided, call it to obtain the value
+            // for serialization.
+            value = callback.call(object, property, value);
+          }
+          if (value === null) {
+            return "null";
+          }
+          className = getClass.call(value);
+          if (className == booleanClass) {
+            // Booleans are represented literally.
+            return "" + value;
+          } else if (className == numberClass) {
+            // JSON numbers must be finite. `Infinity` and `NaN` are serialized as
+            // `"null"`.
+            return value > -1 / 0 && value < 1 / 0 ? "" + value : "null";
+          } else if (className == stringClass) {
+            // Strings are double-quoted and escaped.
+            return quote("" + value);
+          }
+          // Recursively serialize objects and arrays.
+          if (typeof value == "object") {
+            // Check for cyclic structures. This is a linear search; performance
+            // is inversely proportional to the number of unique nested objects.
+            for (length = stack.length; length--;) {
+              if (stack[length] === value) {
+                // Cyclic structures cannot be serialized by `JSON.stringify`.
+                throw TypeError();
+              }
+            }
+            // Add the object to the stack of traversed objects.
+            stack.push(value);
+            results = [];
+            // Save the current indentation level and indent one additional level.
+            prefix = indentation;
+            indentation += whitespace;
+            if (className == arrayClass) {
+              // Recursively serialize array elements.
+              for (index = 0, length = value.length; index < length; index++) {
+                element = serialize(index, value, callback, properties, whitespace, indentation, stack);
+                results.push(element === undef ? "null" : element);
+              }
+              result = results.length ? (whitespace ? "[\n" + indentation + results.join(",\n" + indentation) + "\n" + prefix + "]" : ("[" + results.join(",") + "]")) : "[]";
+            } else {
+              // Recursively serialize object members. Members are selected from
+              // either a user-specified list of property names, or the object
+              // itself.
+              forEach(properties || value, function (property) {
+                var element = serialize(property, value, callback, properties, whitespace, indentation, stack);
+                if (element !== undef) {
+                  // According to ES 5.1 section 15.12.3: "If `gap` {whitespace}
+                  // is not the empty string, let `member` {quote(property) + ":"}
+                  // be the concatenation of `member` and the `space` character."
+                  // The "`space` character" refers to the literal space
+                  // character, not the `space` {width} argument provided to
+                  // `JSON.stringify`.
+                  results.push(quote(property) + ":" + (whitespace ? " " : "") + element);
+                }
+              });
+              result = results.length ? (whitespace ? "{\n" + indentation + results.join(",\n" + indentation) + "\n" + prefix + "}" : ("{" + results.join(",") + "}")) : "{}";
+            }
+            // Remove the object from the traversed object stack.
+            stack.pop();
+            return result;
+          }
+        };
+
+        // Public: `JSON.stringify`. See ES 5.1 section 15.12.3.
+        exports.stringify = function (source, filter, width) {
+          var whitespace, callback, properties, className;
+          if (objectTypes[typeof filter] && filter) {
+            if ((className = getClass.call(filter)) == functionClass) {
+              callback = filter;
+            } else if (className == arrayClass) {
+              // Convert the property names array into a makeshift set.
+              properties = {};
+              for (var index = 0, length = filter.length, value; index < length; value = filter[index++], ((className = getClass.call(value)), className == stringClass || className == numberClass) && (properties[value] = 1));
+            }
+          }
+          if (width) {
+            if ((className = getClass.call(width)) == numberClass) {
+              // Convert the `width` to an integer and create a string containing
+              // `width` number of space characters.
+              if ((width -= width % 1) > 0) {
+                for (whitespace = "", width > 10 && (width = 10); whitespace.length < width; whitespace += " ");
+              }
+            } else if (className == stringClass) {
+              whitespace = width.length <= 10 ? width : width.slice(0, 10);
+            }
+          }
+          // Opera <= 7.54u2 discards the values associated with empty string keys
+          // (`""`) only if they are used directly within an object member list
+          // (e.g., `!("" in { "": 1})`).
+          return serialize("", (value = {}, value[""] = source, value), callback, properties, whitespace, "", []);
+        };
+      }
+
+      // Public: Parses a JSON source string.
+      if (!has("json-parse")) {
+        var fromCharCode = String.fromCharCode;
+
+        // Internal: A map of escaped control characters and their unescaped
+        // equivalents.
+        var Unescapes = {
+          92: "\\",
+          34: '"',
+          47: "/",
+          98: "\b",
+          116: "\t",
+          110: "\n",
+          102: "\f",
+          114: "\r"
+        };
+
+        // Internal: Stores the parser state.
+        var Index, Source;
+
+        // Internal: Resets the parser state and throws a `SyntaxError`.
+        var abort = function () {
+          Index = Source = null;
+          throw SyntaxError();
+        };
+
+        // Internal: Returns the next token, or `"$"` if the parser has reached
+        // the end of the source string. A token may be a string, number, `null`
+        // literal, or Boolean literal.
+        var lex = function () {
+          var source = Source, length = source.length, value, begin, position, isSigned, charCode;
+          while (Index < length) {
+            charCode = source.charCodeAt(Index);
+            switch (charCode) {
+              case 9: case 10: case 13: case 32:
+                // Skip whitespace tokens, including tabs, carriage returns, line
+                // feeds, and space characters.
+                Index++;
+                break;
+              case 123: case 125: case 91: case 93: case 58: case 44:
+                // Parse a punctuator token (`{`, `}`, `[`, `]`, `:`, or `,`) at
+                // the current position.
+                value = charIndexBuggy ? source.charAt(Index) : source[Index];
+                Index++;
+                return value;
+              case 34:
+                // `"` delimits a JSON string; advance to the next character and
+                // begin parsing the string. String tokens are prefixed with the
+                // sentinel `@` character to distinguish them from punctuators and
+                // end-of-string tokens.
+                for (value = "@", Index++; Index < length;) {
+                  charCode = source.charCodeAt(Index);
+                  if (charCode < 32) {
+                    // Unescaped ASCII control characters (those with a code unit
+                    // less than the space character) are not permitted.
+                    abort();
+                  } else if (charCode == 92) {
+                    // A reverse solidus (`\`) marks the beginning of an escaped
+                    // control character (including `"`, `\`, and `/`) or Unicode
+                    // escape sequence.
+                    charCode = source.charCodeAt(++Index);
+                    switch (charCode) {
+                      case 92: case 34: case 47: case 98: case 116: case 110: case 102: case 114:
+                        // Revive escaped control characters.
+                        value += Unescapes[charCode];
+                        Index++;
+                        break;
+                      case 117:
+                        // `\u` marks the beginning of a Unicode escape sequence.
+                        // Advance to the first character and validate the
+                        // four-digit code point.
+                        begin = ++Index;
+                        for (position = Index + 4; Index < position; Index++) {
+                          charCode = source.charCodeAt(Index);
+                          // A valid sequence comprises four hexdigits (case-
+                          // insensitive) that form a single hexadecimal value.
+                          if (!(charCode >= 48 && charCode <= 57 || charCode >= 97 && charCode <= 102 || charCode >= 65 && charCode <= 70)) {
+                            // Invalid Unicode escape sequence.
+                            abort();
+                          }
+                        }
+                        // Revive the escaped character.
+                        value += fromCharCode("0x" + source.slice(begin, Index));
+                        break;
+                      default:
+                        // Invalid escape sequence.
+                        abort();
+                    }
+                  } else {
+                    if (charCode == 34) {
+                      // An unescaped double-quote character marks the end of the
+                      // string.
+                      break;
+                    }
+                    charCode = source.charCodeAt(Index);
+                    begin = Index;
+                    // Optimize for the common case where a string is valid.
+                    while (charCode >= 32 && charCode != 92 && charCode != 34) {
+                      charCode = source.charCodeAt(++Index);
+                    }
+                    // Append the string as-is.
+                    value += source.slice(begin, Index);
+                  }
+                }
+                if (source.charCodeAt(Index) == 34) {
+                  // Advance to the next character and return the revived string.
+                  Index++;
+                  return value;
+                }
+                // Unterminated string.
+                abort();
+              default:
+                // Parse numbers and literals.
+                begin = Index;
+                // Advance past the negative sign, if one is specified.
+                if (charCode == 45) {
+                  isSigned = true;
+                  charCode = source.charCodeAt(++Index);
+                }
+                // Parse an integer or floating-point value.
+                if (charCode >= 48 && charCode <= 57) {
+                  // Leading zeroes are interpreted as octal literals.
+                  if (charCode == 48 && ((charCode = source.charCodeAt(Index + 1)), charCode >= 48 && charCode <= 57)) {
+                    // Illegal octal literal.
+                    abort();
+                  }
+                  isSigned = false;
+                  // Parse the integer component.
+                  for (; Index < length && ((charCode = source.charCodeAt(Index)), charCode >= 48 && charCode <= 57); Index++);
+                  // Floats cannot contain a leading decimal point; however, this
+                  // case is already accounted for by the parser.
+                  if (source.charCodeAt(Index) == 46) {
+                    position = ++Index;
+                    // Parse the decimal component.
+                    for (; position < length && ((charCode = source.charCodeAt(position)), charCode >= 48 && charCode <= 57); position++);
+                    if (position == Index) {
+                      // Illegal trailing decimal.
+                      abort();
+                    }
+                    Index = position;
+                  }
+                  // Parse exponents. The `e` denoting the exponent is
+                  // case-insensitive.
+                  charCode = source.charCodeAt(Index);
+                  if (charCode == 101 || charCode == 69) {
+                    charCode = source.charCodeAt(++Index);
+                    // Skip past the sign following the exponent, if one is
+                    // specified.
+                    if (charCode == 43 || charCode == 45) {
+                      Index++;
+                    }
+                    // Parse the exponential component.
+                    for (position = Index; position < length && ((charCode = source.charCodeAt(position)), charCode >= 48 && charCode <= 57); position++);
+                    if (position == Index) {
+                      // Illegal empty exponent.
+                      abort();
+                    }
+                    Index = position;
+                  }
+                  // Coerce the parsed value to a JavaScript number.
+                  return +source.slice(begin, Index);
+                }
+                // A negative sign may only precede numbers.
+                if (isSigned) {
+                  abort();
+                }
+                // `true`, `false`, and `null` literals.
+                if (source.slice(Index, Index + 4) == "true") {
+                  Index += 4;
+                  return true;
+                } else if (source.slice(Index, Index + 5) == "false") {
+                  Index += 5;
+                  return false;
+                } else if (source.slice(Index, Index + 4) == "null") {
+                  Index += 4;
+                  return null;
+                }
+                // Unrecognized token.
+                abort();
+            }
+          }
+          // Return the sentinel `$` character if the parser has reached the end
+          // of the source string.
+          return "$";
+        };
+
+        // Internal: Parses a JSON `value` token.
+        var get = function (value) {
+          var results, hasMembers;
+          if (value == "$") {
+            // Unexpected end of input.
+            abort();
+          }
+          if (typeof value == "string") {
+            if ((charIndexBuggy ? value.charAt(0) : value[0]) == "@") {
+              // Remove the sentinel `@` character.
+              return value.slice(1);
+            }
+            // Parse object and array literals.
+            if (value == "[") {
+              // Parses a JSON array, returning a new JavaScript array.
+              results = [];
+              for (;; hasMembers || (hasMembers = true)) {
+                value = lex();
+                // A closing square bracket marks the end of the array literal.
+                if (value == "]") {
+                  break;
+                }
+                // If the array literal contains elements, the current token
+                // should be a comma separating the previous element from the
+                // next.
+                if (hasMembers) {
+                  if (value == ",") {
+                    value = lex();
+                    if (value == "]") {
+                      // Unexpected trailing `,` in array literal.
+                      abort();
+                    }
+                  } else {
+                    // A `,` must separate each array element.
+                    abort();
+                  }
+                }
+                // Elisions and leading commas are not permitted.
+                if (value == ",") {
+                  abort();
+                }
+                results.push(get(value));
+              }
+              return results;
+            } else if (value == "{") {
+              // Parses a JSON object, returning a new JavaScript object.
+              results = {};
+              for (;; hasMembers || (hasMembers = true)) {
+                value = lex();
+                // A closing curly brace marks the end of the object literal.
+                if (value == "}") {
+                  break;
+                }
+                // If the object literal contains members, the current token
+                // should be a comma separator.
+                if (hasMembers) {
+                  if (value == ",") {
+                    value = lex();
+                    if (value == "}") {
+                      // Unexpected trailing `,` in object literal.
+                      abort();
+                    }
+                  } else {
+                    // A `,` must separate each object member.
+                    abort();
+                  }
+                }
+                // Leading commas are not permitted, object property names must be
+                // double-quoted strings, and a `:` must separate each property
+                // name and value.
+                if (value == "," || typeof value != "string" || (charIndexBuggy ? value.charAt(0) : value[0]) != "@" || lex() != ":") {
+                  abort();
+                }
+                results[value.slice(1)] = get(lex());
+              }
+              return results;
+            }
+            // Unexpected token encountered.
+            abort();
+          }
+          return value;
+        };
+
+        // Internal: Updates a traversed object member.
+        var update = function (source, property, callback) {
+          var element = walk(source, property, callback);
+          if (element === undef) {
+            delete source[property];
+          } else {
+            source[property] = element;
+          }
+        };
+
+        // Internal: Recursively traverses a parsed JSON object, invoking the
+        // `callback` function for each value. This is an implementation of the
+        // `Walk(holder, name)` operation defined in ES 5.1 section 15.12.2.
+        var walk = function (source, property, callback) {
+          var value = source[property], length;
+          if (typeof value == "object" && value) {
+            // `forEach` can't be used to traverse an array in Opera <= 8.54
+            // because its `Object#hasOwnProperty` implementation returns `false`
+            // for array indices (e.g., `![1, 2, 3].hasOwnProperty("0")`).
+            if (getClass.call(value) == arrayClass) {
+              for (length = value.length; length--;) {
+                update(value, length, callback);
+              }
+            } else {
+              forEach(value, function (property) {
+                update(value, property, callback);
+              });
+            }
+          }
+          return callback.call(source, property, value);
+        };
+
+        // Public: `JSON.parse`. See ES 5.1 section 15.12.2.
+        exports.parse = function (source, callback) {
+          var result, value;
+          Index = 0;
+          Source = "" + source;
+          result = get(lex());
+          // If a JSON string contains multiple tokens, it is invalid.
+          if (lex() != "$") {
+            abort();
+          }
+          // Reset the parser state.
+          Index = Source = null;
+          return callback && getClass.call(callback) == functionClass ? walk((value = {}, value[""] = result, value), "", callback) : result;
+        };
+      }
+    }
+
+    exports["runInContext"] = runInContext;
+    return exports;
+  }
+
+  if (freeExports && !isLoader) {
+    // Export for CommonJS environments.
+    runInContext(root, freeExports);
+  } else {
+    // Export for web browsers and JavaScript engines.
+    var nativeJSON = root.JSON,
+        previousJSON = root["JSON3"],
+        isRestored = false;
+
+    var JSON3 = runInContext(root, (root["JSON3"] = {
+      // Public: Restores the original value of the global `JSON` object and
+      // returns a reference to the `JSON3` object.
+      "noConflict": function () {
+        if (!isRestored) {
+          isRestored = true;
+          root.JSON = nativeJSON;
+          root["JSON3"] = previousJSON;
+          nativeJSON = previousJSON = null;
+        }
+        return JSON3;
+      }
+    }));
+
+    root.JSON = {
+      "parse": JSON3.parse,
+      "stringify": JSON3.stringify
+    };
+  }
+
+  // Export for asynchronous module loaders.
+  if (isLoader) {
+    define(function () {
+      return JSON3;
+    });
+  }
+}).call(this);
+
+}).call(this,typeof global !== "undefined" ? global : typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {})
+
+},{}],59:[function(require,module,exports){
+'use strict';
+
+var has = Object.prototype.hasOwnProperty;
+
+/**
+ * Simple query string parser.
+ *
+ * @param {String} query The query string that needs to be parsed.
+ * @returns {Object}
+ * @api public
+ */
+function querystring(query) {
+  var parser = /([^=?&]+)=?([^&]*)/g
+    , result = {}
+    , part;
+
+  //
+  // Little nifty parsing hack, leverage the fact that RegExp.exec increments
+  // the lastIndex property so we can continue executing this loop until we've
+  // parsed all results.
+  //
+  for (;
+    part = parser.exec(query);
+    result[decodeURIComponent(part[1])] = decodeURIComponent(part[2])
+  );
+
+  return result;
+}
+
+/**
+ * Transform a query string to an object.
+ *
+ * @param {Object} obj Object that should be transformed.
+ * @param {String} prefix Optional prefix.
+ * @returns {String}
+ * @api public
+ */
+function querystringify(obj, prefix) {
+  prefix = prefix || '';
+
+  var pairs = [];
+
+  //
+  // Optionally prefix with a '?' if needed
+  //
+  if ('string' !== typeof prefix) prefix = '?';
+
+  for (var key in obj) {
+    if (has.call(obj, key)) {
+      pairs.push(encodeURIComponent(key) +'='+ encodeURIComponent(obj[key]));
+    }
+  }
+
+  return pairs.length ? prefix + pairs.join('&') : '';
+}
+
+//
+// Expose the module.
+//
+exports.stringify = querystringify;
+exports.parse = querystring;
+
+},{}],60:[function(require,module,exports){
+'use strict';
+
+/**
+ * Check if we're required to add a port number.
+ *
+ * @see https://url.spec.whatwg.org/#default-port
+ * @param {Number|String} port Port number we need to check
+ * @param {String} protocol Protocol we need to check against.
+ * @returns {Boolean} Is it a default port for the given protocol
+ * @api private
+ */
+module.exports = function required(port, protocol) {
+  protocol = protocol.split(':')[0];
+  port = +port;
+
+  if (!port) return false;
+
+  switch (protocol) {
+    case 'http':
+    case 'ws':
+    return port !== 80;
+
+    case 'https':
+    case 'wss':
+    return port !== 443;
+
+    case 'ftp':
+    return port !== 21;
+
+    case 'gopher':
+    return port !== 70;
+
+    case 'file':
+    return false;
+  }
+
+  return port !== 0;
+};
+
+},{}],61:[function(require,module,exports){
+'use strict';
+
+var required = require('requires-port')
+  , lolcation = require('./lolcation')
+  , qs = require('querystringify')
+  , protocolre = /^([a-z][a-z0-9.+-]*:)?(\/\/)?([\S\s]*)/i;
+
+/**
+ * These are the parse rules for the URL parser, it informs the parser
+ * about:
+ *
+ * 0. The char it Needs to parse, if it's a string it should be done using
+ *    indexOf, RegExp using exec and NaN means set as current value.
+ * 1. The property we should set when parsing this value.
+ * 2. Indication if it's backwards or forward parsing, when set as number it's
+ *    the value of extra chars that should be split off.
+ * 3. Inherit from location if non existing in the parser.
+ * 4. `toLowerCase` the resulting value.
+ */
+var rules = [
+  ['#', 'hash'],                        // Extract from the back.
+  ['?', 'query'],                       // Extract from the back.
+  ['/', 'pathname'],                    // Extract from the back.
+  ['@', 'auth', 1],                     // Extract from the front.
+  [NaN, 'host', undefined, 1, 1],       // Set left over value.
+  [/:(\d+)$/, 'port', undefined, 1],    // RegExp the back.
+  [NaN, 'hostname', undefined, 1, 1]    // Set left over.
+];
+
+/**
+ * @typedef ProtocolExtract
+ * @type Object
+ * @property {String} protocol Protocol matched in the URL, in lowercase.
+ * @property {Boolean} slashes `true` if protocol is followed by "//", else `false`.
+ * @property {String} rest Rest of the URL that is not part of the protocol.
+ */
+
+/**
+ * Extract protocol information from a URL with/without double slash ("//").
+ *
+ * @param {String} address URL we want to extract from.
+ * @return {ProtocolExtract} Extracted information.
+ * @api private
+ */
+function extractProtocol(address) {
+  var match = protocolre.exec(address);
+
+  return {
+    protocol: match[1] ? match[1].toLowerCase() : '',
+    slashes: !!match[2],
+    rest: match[3]
+  };
+}
+
+/**
+ * Resolve a relative URL pathname against a base URL pathname.
+ *
+ * @param {String} relative Pathname of the relative URL.
+ * @param {String} base Pathname of the base URL.
+ * @return {String} Resolved pathname.
+ * @api private
+ */
+function resolve(relative, base) {
+  var path = (base || '/').split('/').slice(0, -1).concat(relative.split('/'))
+    , i = path.length
+    , last = path[i - 1]
+    , unshift = false
+    , up = 0;
+
+  while (i--) {
+    if (path[i] === '.') {
+      path.splice(i, 1);
+    } else if (path[i] === '..') {
+      path.splice(i, 1);
+      up++;
+    } else if (up) {
+      if (i === 0) unshift = true;
+      path.splice(i, 1);
+      up--;
+    }
+  }
+
+  if (unshift) path.unshift('');
+  if (last === '.' || last === '..') path.push('');
+
+  return path.join('/');
+}
+
+/**
+ * The actual URL instance. Instead of returning an object we've opted-in to
+ * create an actual constructor as it's much more memory efficient and
+ * faster and it pleases my OCD.
+ *
+ * @constructor
+ * @param {String} address URL we want to parse.
+ * @param {Object|String} location Location defaults for relative paths.
+ * @param {Boolean|Function} parser Parser for the query string.
+ * @api public
+ */
+function URL(address, location, parser) {
+  if (!(this instanceof URL)) {
+    return new URL(address, location, parser);
+  }
+
+  var relative, extracted, parse, instruction, index, key
+    , instructions = rules.slice()
+    , type = typeof location
+    , url = this
+    , i = 0;
+
+  //
+  // The following if statements allows this module two have compatibility with
+  // 2 different API:
+  //
+  // 1. Node.js's `url.parse` api which accepts a URL, boolean as arguments
+  //    where the boolean indicates that the query string should also be parsed.
+  //
+  // 2. The `URL` interface of the browser which accepts a URL, object as
+  //    arguments. The supplied object will be used as default values / fall-back
+  //    for relative paths.
+  //
+  if ('object' !== type && 'string' !== type) {
+    parser = location;
+    location = null;
+  }
+
+  if (parser && 'function' !== typeof parser) parser = qs.parse;
+
+  location = lolcation(location);
+
+  //
+  // Extract protocol information before running the instructions.
+  //
+  extracted = extractProtocol(address || '');
+  relative = !extracted.protocol && !extracted.slashes;
+  url.slashes = extracted.slashes || relative && location.slashes;
+  url.protocol = extracted.protocol || location.protocol || '';
+  address = extracted.rest;
+
+  //
+  // When the authority component is absent the URL starts with a path
+  // component.
+  //
+  if (!extracted.slashes) instructions[2] = [/(.*)/, 'pathname'];
+
+  for (; i < instructions.length; i++) {
+    instruction = instructions[i];
+    parse = instruction[0];
+    key = instruction[1];
+
+    if (parse !== parse) {
+      url[key] = address;
+    } else if ('string' === typeof parse) {
+      if (~(index = address.indexOf(parse))) {
+        if ('number' === typeof instruction[2]) {
+          url[key] = address.slice(0, index);
+          address = address.slice(index + instruction[2]);
+        } else {
+          url[key] = address.slice(index);
+          address = address.slice(0, index);
+        }
+      }
+    } else if ((index = parse.exec(address))) {
+      url[key] = index[1];
+      address = address.slice(0, index.index);
+    }
+
+    url[key] = url[key] || (
+      relative && instruction[3] ? location[key] || '' : ''
+    );
+
+    //
+    // Hostname, host and protocol should be lowercased so they can be used to
+    // create a proper `origin`.
+    //
+    if (instruction[4]) url[key] = url[key].toLowerCase();
+  }
+
+  //
+  // Also parse the supplied query string in to an object. If we're supplied
+  // with a custom parser as function use that instead of the default build-in
+  // parser.
+  //
+  if (parser) url.query = parser(url.query);
+
+  //
+  // If the URL is relative, resolve the pathname against the base URL.
+  //
+  if (
+      relative
+    && location.slashes
+    && url.pathname.charAt(0) !== '/'
+    && (url.pathname !== '' || location.pathname !== '')
+  ) {
+    url.pathname = resolve(url.pathname, location.pathname);
+  }
+
+  //
+  // We should not add port numbers if they are already the default port number
+  // for a given protocol. As the host also contains the port number we're going
+  // override it with the hostname which contains no port number.
+  //
+  if (!required(url.port, url.protocol)) {
+    url.host = url.hostname;
+    url.port = '';
+  }
+
+  //
+  // Parse down the `auth` for the username and password.
+  //
+  url.username = url.password = '';
+  if (url.auth) {
+    instruction = url.auth.split(':');
+    url.username = instruction[0] || '';
+    url.password = instruction[1] || '';
+  }
+
+  url.origin = url.protocol && url.host && url.protocol !== 'file:'
+    ? url.protocol +'//'+ url.host
+    : 'null';
+
+  //
+  // The href is just the compiled result.
+  //
+  url.href = url.toString();
+}
+
+/**
+ * This is convenience method for changing properties in the URL instance to
+ * insure that they all propagate correctly.
+ *
+ * @param {String} part          Property we need to adjust.
+ * @param {Mixed} value          The newly assigned value.
+ * @param {Boolean|Function} fn  When setting the query, it will be the function
+ *                               used to parse the query.
+ *                               When setting the protocol, double slash will be
+ *                               removed from the final url if it is true.
+ * @returns {URL}
+ * @api public
+ */
+function set(part, value, fn) {
+  var url = this;
+
+  switch (part) {
+    case 'query':
+      if ('string' === typeof value && value.length) {
+        value = (fn || qs.parse)(value);
+      }
+
+      url[part] = value;
+      break;
+
+    case 'port':
+      url[part] = value;
+
+      if (!required(value, url.protocol)) {
+        url.host = url.hostname;
+        url[part] = '';
+      } else if (value) {
+        url.host = url.hostname +':'+ value;
+      }
+
+      break;
+
+    case 'hostname':
+      url[part] = value;
+
+      if (url.port) value += ':'+ url.port;
+      url.host = value;
+      break;
+
+    case 'host':
+      url[part] = value;
+
+      if (/:\d+$/.test(value)) {
+        value = value.split(':');
+        url.port = value.pop();
+        url.hostname = value.join(':');
+      } else {
+        url.hostname = value;
+        url.port = '';
+      }
+
+      break;
+
+    case 'protocol':
+      url.protocol = value.toLowerCase();
+      url.slashes = !fn;
+      break;
+
+    case 'pathname':
+      url.pathname = value.length && value.charAt(0) !== '/' ? '/' + value : value;
+
+      break;
+
+    default:
+      url[part] = value;
+  }
+
+  for (var i = 0; i < rules.length; i++) {
+    var ins = rules[i];
+
+    if (ins[4]) url[ins[1]] = url[ins[1]].toLowerCase();
+  }
+
+  url.origin = url.protocol && url.host && url.protocol !== 'file:'
+    ? url.protocol +'//'+ url.host
+    : 'null';
+
+  url.href = url.toString();
+
+  return url;
+};
+
+/**
+ * Transform the properties back in to a valid and full URL string.
+ *
+ * @param {Function} stringify Optional query stringify function.
+ * @returns {String}
+ * @api public
+ */
+function toString(stringify) {
+  if (!stringify || 'function' !== typeof stringify) stringify = qs.stringify;
+
+  var query
+    , url = this
+    , protocol = url.protocol;
+
+  if (protocol && protocol.charAt(protocol.length - 1) !== ':') protocol += ':';
+
+  var result = protocol + (url.slashes ? '//' : '');
+
+  if (url.username) {
+    result += url.username;
+    if (url.password) result += ':'+ url.password;
+    result += '@';
+  }
+
+  result += url.host + url.pathname;
+
+  query = 'object' === typeof url.query ? stringify(url.query) : url.query;
+  if (query) result += '?' !== query.charAt(0) ? '?'+ query : query;
+
+  if (url.hash) result += url.hash;
+
+  return result;
+}
+
+URL.prototype = { set: set, toString: toString };
+
+//
+// Expose the URL parser and some additional properties that might be useful for
+// others or testing.
+//
+URL.extractProtocol = extractProtocol;
+URL.location = lolcation;
+URL.qs = qs;
+
+module.exports = URL;
+
+},{"./lolcation":62,"querystringify":59,"requires-port":60}],62:[function(require,module,exports){
+(function (global){
+'use strict';
+
+var slashes = /^[A-Za-z][A-Za-z0-9+-.]*:\/\//;
+
+/**
+ * These properties should not be copied or inherited from. This is only needed
+ * for all non blob URL's as a blob URL does not include a hash, only the
+ * origin.
+ *
+ * @type {Object}
+ * @private
+ */
+var ignore = { hash: 1, query: 1 }
+  , URL;
+
+/**
+ * The location object differs when your code is loaded through a normal page,
+ * Worker or through a worker using a blob. And with the blobble begins the
+ * trouble as the location object will contain the URL of the blob, not the
+ * location of the page where our code is loaded in. The actual origin is
+ * encoded in the `pathname` so we can thankfully generate a good "default"
+ * location from it so we can generate proper relative URL's again.
+ *
+ * @param {Object|String} loc Optional default location object.
+ * @returns {Object} lolcation object.
+ * @api public
+ */
+module.exports = function lolcation(loc) {
+  loc = loc || global.location || {};
+  URL = URL || require('./');
+
+  var finaldestination = {}
+    , type = typeof loc
+    , key;
+
+  if ('blob:' === loc.protocol) {
+    finaldestination = new URL(unescape(loc.pathname), {});
+  } else if ('string' === type) {
+    finaldestination = new URL(loc, {});
+    for (key in ignore) delete finaldestination[key];
+  } else if ('object' === type) {
+    for (key in loc) {
+      if (key in ignore) continue;
+      finaldestination[key] = loc[key];
+    }
+
+    if (finaldestination.slashes === undefined) {
+      finaldestination.slashes = slashes.test(loc.href);
+    }
+  }
+
+  return finaldestination;
+};
+
+}).call(this,typeof global !== "undefined" ? global : typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {})
+
+},{"./":61}]},{},[1])(1)
+});
+
+
+//# sourceMappingURL=sockjs.js.map

+ 36 - 53
static/src/js/main.js

@@ -1,55 +1,38 @@
-openerp.printers_manager = function(instance, local) {
-
-    local.TestWidget = instance.Widget.extend({
-        template: 'test_widget_tmpl',
-        events: {
-            'click input': 'send_data'
-        },
-        start() {
-            this.socket = new WebSocket('ws://127.0.0.1:8701')
-            this.on('change:printers', this, this.populate_selector)
-            var self = this;
-
-            this.socket.onopen = function (e) {
-                self.socket.send(JSON.stringify({
-                    'action': 'list'
-                }))
-            }
-
-            this.socket.onmessage = function (e) {
-                self.set('printers', JSON.parse(e.data));
-            }
-        },
-        populate_selector: function () {
-            var printers = this.get('printers').printers;
-
-            if (!printers) {
-                return;
-            }
-
-            for (var i = 0; i < printers.length; i++) {
-                this.$el.find('select').append('<option>' + printers[i] + '</option>');
-            }
-        },
-        send_data: function (e) {
-            e.preventDefault();
-
-            var serializeData = $(e.target).closest('form').serialize();
-            var fields = serializeData.split(/\&/)
-            var obj = {
-                action: 'print'
-            }
-
-            for (var i = 0; i < fields.length; i++) {
-                var values = fields[i].split(/\=/);
-                obj[values[0]] = values[1].replace(/\+/g, ' ').replace(/%0D%0A/g, '\n');
-            }
-
-            this.socket.send(JSON.stringify(obj));
-            
-            return false;
+
+(function () {
+    console.log(openerp)
+
+    
+
+    var options = {
+        protocol: 'ws',
+        host: '127.0.0.1',
+        post: '8070',
+        path: '/'
+    }
+
+    var socket = {
+        instance: null,
+        state: 'offline'
+    }
+
+    var buildUrl = function() {
+        return options.protocol + '://' + options.host + '/' + options.port + options.path 
+    }
+
+    var bindSocketPrinter = function (options) {
+        if (!openerp.printers_manager) {
+            return
+        }
+
+        if (!openerp.printers_manager.socket) {
+            openerp.printers_manager.socket = socket;
+        }
+
+        if (!openerp.printers_manager.socket.instance) {
+            printers_manager.socket.instance = new WebSocket(buildUrl());
         }
-    })
 
-    instance.web.client_actions.add('printers_manager.printers_view', 'instance.printers_manager.TestWidget');
-}
+        console.log(openerp);
+    }
+}).call(this)

+ 1 - 8
templates.xml

@@ -3,16 +3,9 @@
     <data>
         <template id="printers_manager_assets" inherit_id="web.assets_backend">
             <xpath expr="." position="inside">
+                <script type="text/javascript" src="/printers_manager/static/lib/sockjs.js" />
                 <script type="text/javascript" src="/printers_manager/static/src/js/main.js" />
             </xpath>
         </template>
-
-        <record id="printers_manager.manager_action" model="ir.actions.client">
-            <field name="name">Printers Manager</field>
-            <field name="tag">printers_manager.printers_view</field>
-        </record>
-
-        <menuitem id="printers_manager_menu" name="Reportes" parent="base.menu_reporting" />
-        <menuitem id="printers_manager_submenu" parent="printers_manager_menu" name="Impresoras Test" action="printers_manager.manager_action" />
     </data>
 </openerp>

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