Sfoglia il codice sorgente

[ADD] initial commit

Gogs 7 anni fa
parent
commit
67859ca792

+ 1 - 1
.gitignore

@@ -1 +1 @@
-*.pyc
+*.pyc

+ 3 - 4
__openerp__.py

@@ -1,14 +1,13 @@
 # -*- coding: utf-8 -*-
 {
-    'name': "Printers Manager",
+    'name': "Print Engine",
     'author': "Robert Gauto",
     'category': 'Uncategorized',
     'version': '0.1',
     'depends': ['base', 'web'],
     'data': [
         'templates.xml',
-    ],
-    'qweb': [
-        'static/src/xml/*.xml'
+        'views/print_engine_sockets.xml',
+        'views/print_engine_printers.xml'
     ]
 }

+ 58 - 10
controllers/main.py

@@ -1,24 +1,72 @@
 # -*- coding: utf-8 -*-
 from openerp import http
+from openerp.http import request
+from werkzeug.wrappers import Response
+from werkzeug.datastructures import Headers
+from gzip import GzipFile
+from StringIO import StringIO as IO
+import json
 import logging
 
 LOGGER = logging.getLogger(__name__)
+GZIP_COMPRESSION_LEVEL = 9
 
-class PrintersController(http.Controller):
+class PrintEngineController(http.Controller):
 
     '''
     '''
     def make_info_log(self, log):
-        LOGGER.info(log)
+        LOGGER.info('[INFO] {}'.format(log))
 
     '''
-        Printers api
+        Make GZIP to JSON response
     '''
-    @http.route('/printers_manager/api', auth='user', cors='*')
-    def printers_manager(self, **kw):
-        self.make_info_log('Sending JSON response')
-    
-        return {
-            'message': 'ok'
-        }
+    def make_gzip_response(self, data=None, status=200):
+        gzip_buffer = IO()
+        with GzipFile(mode='wb', compresslevel=GZIP_COMPRESSION_LEVEL, fileobj=gzip_buffer) as gzip_file:
+            gzip_file.write(json.dumps(data))
+        
+        contents = gzip_buffer.getvalue()
+        gzip_buffer.close()
 
+        headers = Headers()
+        headers.add('Content-Encoding', 'gzip')
+        headers.add('Vary', 'Accept-Encoding')
+        headers.add('Content-Length', len(contents))
+
+        return Response(contents, status=status, headers=headers, content_type='application/json')
+ 
+    '''
+    '''
+    @http.route('/print_engine/update', auth='user', methods=['POST'], cors='*')
+    def printers_update(self, **kw):
+        printer_obj = request.env['print.engine.printer']
+        printer_ids = printer_obj.search([])
+
+        assert len(printer_ids) == 0
+
+        data = json.loads(kw.get('data'))
+        values = [{'name': printer} for printer in data['printers']]
+        
+        # printer_obj.create(values)
+
+    '''
+    '''
+    def get_sockets(self):
+        socket_obj = request.env['print.engine.socket']
+
+        return [{
+            'protocol': socket.protocol,
+            'host': socket.host,
+            'port': socket.port,
+            'path': socket.path
+        } for socket in socket_obj.search([('active', '=', True)])]
+
+    '''
+    '''
+    @http.route('/print_engine/sockets', auth='user', methods=['GET'], cors='*')
+    def printers_get_sockets(self, **kw):
+        return self.make_gzip_response({
+            'sockets': self.get_sockets()
+        })
+        

+ 4 - 0
models/__init__.py

@@ -0,0 +1,4 @@
+# -*- coding: utf-8 -*-
+import printer
+import socket
+import res_users

+ 3 - 3
models/printer.py

@@ -1,11 +1,11 @@
 # -*- coding: utf-8 -*-
-
 from openerp import models, fields
 
-class PrinterPrinter(models.Model):
-    _name = 'printer.printer'
+class PrintEnginePrinter(models.Model):
+    _name = 'print.engine.printer'
 
     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)
+    socket_id = fields.Many2one(comodel_name='print.engine.socket')

+ 7 - 0
models/res_users.py

@@ -0,0 +1,7 @@
+# -*- coding: utf-8 -*-
+from openerp import models, fields
+
+class ResUsers(models.Model):
+    _inherit = 'res.users'
+
+    socket_ids = fields.One2many(comodel_name='print.engine.socket', inverse_name='user_id')

+ 11 - 10
models/socket.py

@@ -1,15 +1,15 @@
 # -*- 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)')
+]
 
-    AVAILABLE_PROTOCOLS = [
-        ('ws', 'ws (WebSocket)'),
-        ('wss', 'wss (WebSocket Seguro)'),
-        ('http', 'http (HyperTexto)'),
-        ('https', 'http (HyperTexto Seguro)')
-    ]
+class PrintEngineSocket(models.Model):
+    _name = 'print.engine.socket'
 
     name = fields.Char(string='Nombre', size=35, required=True)
     protocol = fields.Selection(string='Protocolo', selection=AVAILABLE_PROTOCOLS, default='ws')
@@ -17,5 +17,6 @@ class PrinterSocket(models.Model):
     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')
+    active = fields.Boolean(string='Activo', default=True)
+    user_id = fields.Many2one(comodel_name='res.users')
+    printer_ids = fields.One2many(comodel_name='print.engine.printer', inverse_name='socket_id')        

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

@@ -1,4660 +0,0 @@
-(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;
-	};
-
-
-/***/ }
-/******/ ])
-});
-;

File diff suppressed because it is too large
+ 0 - 0
static/lib/socket.io.js


+ 0 - 5733
static/lib/sockjs.js

@@ -1,5733 +0,0 @@
-/* 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

+ 84 - 21
static/src/js/main.js

@@ -1,38 +1,101 @@
 
 (function () {
-    console.log(openerp)
+    if (!window.openerp) {
+        return;
+    }
 
+    if (!openerp.print_engine) {
+        openerp.print_engine = {};
+    }
     
-
-    var options = {
-        protocol: 'ws',
-        host: '127.0.0.1',
-        post: '8070',
-        path: '/'
+    if (!openerp.print_engine.sockets) {
+        openerp.print_engine.sockets = [];
     }
 
-    var socket = {
-        instance: null,
-        state: 'offline'
-    }
+    $.get('/print_engine/sockets', function (data) {
+        for (var i = 0; i < data.sockets.length; i++) {
+            connect(data.sockets[i]);
+        }
+    });
 
-    var buildUrl = function() {
-        return options.protocol + '://' + options.host + '/' + options.port + options.path 
+    /**
+     * 
+     * @param {*} options 
+     */
+    var buildUrl = function(options) {
+        return options.protocol + '://' + options.host + ':' + options.port + options.path 
     }
 
-    var bindSocketPrinter = function (options) {
-        if (!openerp.printers_manager) {
-            return
+    /**
+     * Connect to websocket
+     * 
+     * @param {*} socket 
+     */
+    var connect = function (socket) {
+        var url = buildUrl(socket);
+        socket = new WebSocket(url);
+
+        /**
+         * 
+         * @param {*} e 
+         */
+        socket.onopen = function (e) {
+            openerp.print_engine.sockets.push({
+                instance: this,
+                status: 'online'
+            });
+        }
+
+        /**
+         * 
+         * @param {*} e 
+         */
+        socket.onclose = function (e) {
+            console.log()
+        }
+
+        /**
+         * 
+         * @param {*} e 
+         */
+        socket.onerror = function (e) {
+            console.log(e);
         }
 
-        if (!openerp.printers_manager.socket) {
-            openerp.printers_manager.socket = socket;
+        /**
+         * 
+         * @param {*} e 
+         */
+        socket.onmessage = function (e) {
+            console.log(e);
         }
+    }
+
+    /**
+     * Send action to printer
+     * 
+     * @param {*} data 
+     */
+    var sendToSocket = function (data) {
+        data = JSON.stringify(data);
+
+        console.log(data);
+    }
 
-        if (!openerp.printers_manager.socket.instance) {
-            printers_manager.socket.instance = new WebSocket(buildUrl());
+    /**
+     * Update printers on server
+     * 
+     * @param {*} data 
+     */
+    var updatePrinters = function (printers) {
+        var data = {
+            jsonrpc: '2.0',
+            method: 'call',
+            data: printers
         }
 
-        console.log(openerp);
+        $.post('/print_engine/update', data, function (response) {
+            console.log(response);
+        });
     }
 }).call(this)

+ 0 - 14
static/src/xml/main.xml

@@ -1,14 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-
-<template xml:space="preserve">
-    <t t-name="test_widget_tmpl">
-        <form action="#">
-            <label for="selected-printer">Impresora:</label>
-            <select id="selected-printer" name="printer"></select>
-            <br/>
-            <textarea name="data" cols="30" rows="10"></textarea>
-            <br/>
-            <input type="button" value="Imprimir"/>
-        </form>
-    </t>
-</template>

+ 1 - 2
templates.xml

@@ -3,8 +3,7 @@
     <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" />
+                <script type="text/javascript" src="/print_engine/static/src/js/main.js" />
             </xpath>
         </template>
     </data>

+ 33 - 0
views/print_engine_printers.xml

@@ -0,0 +1,33 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<openerp>
+    <data>
+        <!-- Printers Tree  -->
+        <record id="print_engine.printers_tree" model="ir.ui.view">
+            <field name="name">print.engine.printer.tree</field>
+            <field name="model">print.engine.printer</field>
+            <field name="priority">2</field>
+            <field name="arch" type="xml">
+                <tree string="Impresoras">
+                    <field name="name" />
+                    <field name="is_default" string="Por defecto?" />
+                </tree>
+            </field>
+        </record>
+
+        <!-- Socket Print -->
+        <record id="print_engine.printer_form" model="ir.ui.view">
+            <field name="name">print.engine.printer.form</field>
+            <field name="model">print.engine.printer</field>
+            <field name="arch" type="xml">
+                <form string="Impresora">
+                    <sheet>
+                        <group>
+                            <field name="name" />
+                            <field name="is_default" />
+                        </group>
+                    </sheet>
+                </form>
+            </field>
+        </record>
+    </data>
+</openerp>

+ 69 - 0
views/print_engine_sockets.xml

@@ -0,0 +1,69 @@
+<?xml version="1.0" encoding="utf-8"?>
+<openerp>
+    <data>
+        <!-- Sockets Tree  -->
+        <record id="print_engine.sockets_tree" model="ir.ui.view">
+            <field name="name">print.engine.socket.tree</field>
+            <field name="model">print.engine.socket</field>
+            <field name="priority">2</field>
+            <field name="arch" type="xml">
+                <tree string="Sockets">
+                    <field name="name" string="Nombre Local"/>
+                    <field name="protocol"/>
+                    <field name="host"/>
+                    <field name="port"/>
+                    <field name="path"/>
+                </tree>
+            </field>
+        </record>
+
+        <!-- Socket Form -->
+        <record id="print_engine.sockets_form" model="ir.ui.view">
+            <field name="name">print.engine.socket.form</field>
+            <field name="model">print.engine.socket</field>
+            <field name="arch" type="xml">
+                <form string="Socket">
+                    <header>
+                        <button name="socket_probe" string="Probar conexión" />
+                        <button name="socket_discovery" string="Detectar impresoras" />
+                    </header>
+                    <sheet>
+                        <h1>
+                            <field name="name" />
+                        </h1>
+                        <group>
+                            <field name="protocol" />
+                            <field name="host" />
+                            <field name="port" />
+                            <field name="path" />
+                        </group>
+                    </sheet>
+                    <notebook>
+                        <page string="Impresoras disponibles">
+
+                        </page>
+                    </notebook>
+                </form>
+            </field>
+        </record>
+
+        <!-- Socket Action -->
+        <record id="print_engine.action_sockets" model="ir.actions.act_window">
+            <field name="name">Sockets</field>
+            <field name="type">ir.actions.act_window</field>
+            <field name="res_model">print.engine.socket</field>
+            <field name="view_type">form</field>
+            <field name="view_mode">tree,form</field>
+            <field name="help" type="html">
+                <p class="oe_view_nocontent_create">
+                    Click para registrar un nuevo socket de impresoras
+                </p><p>
+                    Es necesario recordar que cada socket corresponde a un máquina al que se halla conectados las impresoras.
+                    Por ende es posible registrar varios sockets y tener mayor flexibilidad en la impresión.
+                </p>
+            </field>
+        </record>
+
+        <menuitem id="print_engine.sockets" name="Impresión" parent="base.menu_config" action="print_engine.action_sockets" sequence="150" />
+    </data>
+</openerp>

Some files were not shown because too many files changed in this diff