twitst4tz

engine.io.js (113584B)

---

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 	else if(typeof define === 'function' && define.amd)
 		define([], factory);
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 		exports["eio"] = factory();
 	else
 		root["eio"] = factory();
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 /******/ ([
 /* 0 */
 /***/ function(module, exports, __webpack_require__) {
 
 	
 	module.exports = __webpack_require__(1);
 
 	/**
 	 * Exports parser
 	 *
 	 * @api public
 	 *
 	 */
 	module.exports.parser = __webpack_require__(9);
 
 
 /***/ },
 /* 1 */
 /***/ function(module, exports, __webpack_require__) {
 
 	/**
 	 * 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__(9);
 	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) {
 	    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
 	    : (typeof location !== 'undefined' && '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 ||
 	    (typeof location !== 'undefined' ? location.hostname : 'localhost');
 	  this.port = opts.port || (typeof location !== 'undefined' && 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.withCredentials = false !== opts.withCredentials;
 	  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;
 
 	  // detect ReactNative environment
 	  this.isReactNative = (typeof navigator !== 'undefined' && typeof navigator.product === 'string' && navigator.product.toLowerCase() === 'reactnative');
 
 	  // other options for Node.js or ReactNative client
 	  if (typeof self === 'undefined' || this.isReactNative) {
 	    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__(8);
 	Socket.transports = __webpack_require__(2);
 	Socket.parser = __webpack_require__(9);
 
 	/**
 	 * 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,
 	    withCredentials: options.withCredentials || this.withCredentials,
 	    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),
 	    isReactNative: this.isReactNative
 	  });
 
 	  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;
 	};
 
 
 /***/ },
 /* 2 */
 /***/ function(module, exports, __webpack_require__) {
 
 	/**
 	 * Module dependencies
 	 */
 
 	var XMLHttpRequest = __webpack_require__(3);
 	var XHR = __webpack_require__(6);
 	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 (typeof location !== 'undefined') {
 	    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);
 	  }
 	}
 
 
 /***/ },
 /* 3 */
 /***/ function(module, exports, __webpack_require__) {
 
 	// browser shim for xmlhttprequest module
 
 	var hasCORS = __webpack_require__(4);
 	var globalThis = __webpack_require__(5);
 
 	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 globalThis[['Active'].concat('Object').join('X')]('Microsoft.XMLHTTP');
 	    } catch (e) { }
 	  }
 	};
 
 
 /***/ },
 /* 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) {
 
 	module.exports = (function () {
 	  if (typeof self !== 'undefined') {
 	    return self;
 	  } else if (typeof window !== 'undefined') {
 	    return window;
 	  } else {
 	    return Function('return this')(); // eslint-disable-line no-new-func
 	  }
 	})();
 
 
 /***/ },
 /* 6 */
 /***/ function(module, exports, __webpack_require__) {
 
 	/* global attachEvent */
 
 	/**
 	 * Module requirements.
 	 */
 
 	var XMLHttpRequest = __webpack_require__(3);
 	var Polling = __webpack_require__(7);
 	var Emitter = __webpack_require__(18);
 	var inherit = __webpack_require__(20);
 	var debug = __webpack_require__(22)('engine.io-client:polling-xhr');
 	var globalThis = __webpack_require__(5);
 
 	/**
 	 * 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 (typeof location !== 'undefined') {
 	    var isSSL = 'https:' === location.protocol;
 	    var port = location.port;
 
 	    // some user agents have empty `location.port`
 	    if (!port) {
 	      port = isSSL ? 443 : 80;
 	    }
 
 	    this.xd = (typeof location !== 'undefined' && opts.hostname !== 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;
 	  opts.withCredentials = this.withCredentials;
 
 	  // 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.withCredentials = opts.withCredentials;
 	  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 = this.withCredentials;
 	    }
 
 	    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) {
 	          try {
 	            var contentType = xhr.getResponseHeader('Content-Type');
 	            if (self.supportsBinary && contentType === 'application/octet-stream' || contentType === 'application/octet-stream; charset=UTF-8') {
 	              xhr.responseType = 'arraybuffer';
 	            }
 	          } catch (e) {}
 	        }
 	        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(typeof xhr.status === 'number' ? xhr.status : 0);
 	          }, 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 (typeof document !== 'undefined') {
 	    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 (typeof document !== 'undefined') {
 	    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' || contentType === 'application/octet-stream; charset=UTF-8') {
 	      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 typeof XDomainRequest !== 'undefined' && !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 (typeof document !== 'undefined') {
 	  if (typeof attachEvent === 'function') {
 	    attachEvent('onunload', unloadHandler);
 	  } else if (typeof addEventListener === 'function') {
 	    var terminationEvent = 'onpagehide' in globalThis ? 'pagehide' : 'unload';
 	    addEventListener(terminationEvent, unloadHandler, false);
 	  }
 	}
 
 	function unloadHandler () {
 	  for (var i in Request.requests) {
 	    if (Request.requests.hasOwnProperty(i)) {
 	      Request.requests[i].abort();
 	    }
 	  }
 	}
 
 
 /***/ },
 /* 7 */
 /***/ function(module, exports, __webpack_require__) {
 
 	/**
 	 * Module dependencies.
 	 */
 
 	var Transport = __webpack_require__(8);
 	var parseqs = __webpack_require__(19);
 	var parser = __webpack_require__(9);
 	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 (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 () {
 	    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;
 	};
 
 
 /***/ },
 /* 8 */
 /***/ function(module, exports, __webpack_require__) {
 
 	/**
 	 * Module dependencies.
 	 */
 
 	var parser = __webpack_require__(9);
 	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;
 	  this.withCredentials = opts.withCredentials;
 
 	  // 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;
 
 	  // results of ReactNative environment detection
 	  this.isReactNative = opts.isReactNative;
 
 	  // 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');
 	};
 
 
 /***/ },
 /* 9 */
 /***/ function(module, exports, __webpack_require__) {
 
 	/**
 	 * Module dependencies.
 	 */
 
 	var keys = __webpack_require__(10);
 	var hasBinary = __webpack_require__(11);
 	var sliceBuffer = __webpack_require__(13);
 	var after = __webpack_require__(14);
 	var utf8 = __webpack_require__(15);
 
 	var base64encoder;
 	if (typeof ArrayBuffer !== 'undefined') {
 	  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 (typeof ArrayBuffer !== 'undefined' && data instanceof ArrayBuffer) {
 	    return encodeArrayBuffer(packet, supportsBinary, callback);
 	  } else if (typeof Blob !== 'undefined' && data instanceof 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() {
 	    exports.encodePacket({ type: packet.type, data: fr.result }, 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 (typeof Blob !== 'undefined' && packet.data instanceof 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 += 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);
 	  });
 	};
 
 
 /***/ },
 /* 10 */
 /***/ 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;
 	};
 
 
 /***/ },
 /* 11 */
 /***/ function(module, exports, __webpack_require__) {
 
 	/* global Blob File */
 
 	/*
 	 * Module requirements.
 	 */
 
 	var isArray = __webpack_require__(12);
 
 	var toString = Object.prototype.toString;
 	var withNativeBlob = typeof Blob === 'function' ||
 	                        typeof Blob !== 'undefined' && toString.call(Blob) === '[object BlobConstructor]';
 	var withNativeFile = typeof File === 'function' ||
 	                        typeof File !== 'undefined' && toString.call(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 Buffer === 'function' && Buffer.isBuffer && Buffer.isBuffer(obj)) ||
 	    (typeof 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;
 	}
 
 
 /***/ },
 /* 12 */
 /***/ function(module, exports) {
 
 	var toString = {}.toString;
 
 	module.exports = Array.isArray || function (arr) {
 	  return toString.call(arr) == '[object Array]';
 	};
 
 
 /***/ },
 /* 13 */
 /***/ 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;
 	};
 
 
 /***/ },
 /* 14 */
 /***/ 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() {}
 
 
 /***/ },
 /* 15 */
 /***/ function(module, exports) {
 
 	/*! https://mths.be/utf8js v2.1.2 by @mathias */
 
 	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);
 	}
 
 	module.exports = {
 		version: '2.1.2',
 		encode: utf8encode,
 		decode: utf8decode
 	};
 
 
 /***/ },
 /* 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) {
 
 	/**
 	 * Create a blob builder even when vendor prefixes exist
 	 */
 
 	var BlobBuilder = typeof BlobBuilder !== 'undefined' ? BlobBuilder :
 	  typeof WebKitBlobBuilder !== 'undefined' ? WebKitBlobBuilder :
 	  typeof MSBlobBuilder !== 'undefined' ? MSBlobBuilder :
 	  typeof MozBlobBuilder !== 'undefined' ? MozBlobBuilder : 
 	  false;
 
 	/**
 	 * 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) {
 	  return ary.map(function(chunk) {
 	    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;
 	      }
 
 	      return buf;
 	    }
 
 	    return chunk;
 	  });
 	}
 
 	function BlobBuilderConstructor(ary, options) {
 	  options = options || {};
 
 	  var bb = new BlobBuilder();
 	  mapArrayBufferViews(ary).forEach(function(part) {
 	    bb.append(part);
 	  });
 
 	  return (options.type) ? bb.getBlob(options.type) : bb.getBlob();
 	};
 
 	function BlobConstructor(ary, options) {
 	  return new Blob(mapArrayBufferViews(ary), options || {});
 	};
 
 	if (typeof Blob !== 'undefined') {
 	  BlobBuilderConstructor.prototype = Blob.prototype;
 	  BlobConstructor.prototype = Blob.prototype;
 	}
 
 	module.exports = (function() {
 	  if (blobSupported) {
 	    return blobSupportsArrayBufferView ? Blob : BlobConstructor;
 	  } else if (blobBuilderSupported) {
 	    return BlobBuilderConstructor;
 	  } else {
 	    return undefined;
 	  }
 	})();
 
 
 /***/ },
 /* 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) {'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; };
 
 	/* eslint-env browser */
 
 	/**
 	 * This is the web browser implementation of `debug()`.
 	 */
 
 	exports.log = log;
 	exports.formatArgs = formatArgs;
 	exports.save = save;
 	exports.load = load;
 	exports.useColors = useColors;
 	exports.storage = localstorage();
 
 	/**
 	 * Colors.
 	 */
 
 	exports.colors = ['#0000CC', '#0000FF', '#0033CC', '#0033FF', '#0066CC', '#0066FF', '#0099CC', '#0099FF', '#00CC00', '#00CC33', '#00CC66', '#00CC99', '#00CCCC', '#00CCFF', '#3300CC', '#3300FF', '#3333CC', '#3333FF', '#3366CC', '#3366FF', '#3399CC', '#3399FF', '#33CC00', '#33CC33', '#33CC66', '#33CC99', '#33CCCC', '#33CCFF', '#6600CC', '#6600FF', '#6633CC', '#6633FF', '#66CC00', '#66CC33', '#9900CC', '#9900FF', '#9933CC', '#9933FF', '#99CC00', '#99CC33', '#CC0000', '#CC0033', '#CC0066', '#CC0099', '#CC00CC', '#CC00FF', '#CC3300', '#CC3333', '#CC3366', '#CC3399', '#CC33CC', '#CC33FF', '#CC6600', '#CC6633', '#CC9900', '#CC9933', '#CCCC00', '#CCCC33', '#FF0000', '#FF0033', '#FF0066', '#FF0099', '#FF00CC', '#FF00FF', '#FF3300', '#FF3333', '#FF3366', '#FF3399', '#FF33CC', '#FF33FF', '#FF6600', '#FF6633', '#FF9900', '#FF9933', '#FFCC00', '#FFCC33'];
 
 	/**
 	 * 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
 	 */
 
 	// eslint-disable-next-line complexity
 	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' || window.process.__nwjs)) {
 			return true;
 		}
 
 		// Internet Explorer and Edge do not support colors.
 		if (typeof navigator !== 'undefined' && navigator.userAgent && navigator.userAgent.toLowerCase().match(/(edge|trident)\/(\d+)/)) {
 			return false;
 		}
 
 		// 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+)/);
 	}
 
 	/**
 	 * Colorize log arguments if enabled.
 	 *
 	 * @api public
 	 */
 
 	function formatArgs(args) {
 		args[0] = (this.useColors ? '%c' : '') + this.namespace + (this.useColors ? ' %c' : ' ') + args[0] + (this.useColors ? '%c ' : ' ') + '+' + module.exports.humanize(this.diff);
 
 		if (!this.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 (match === '%c') {
 				// 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() {
 		var _console;
 
 		// This hackery is required for IE8/9, where
 		// the `console.log` function doesn't have 'apply'
 		return (typeof console === 'undefined' ? 'undefined' : _typeof(console)) === 'object' && console.log && (_console = console).log.apply(_console, arguments);
 	}
 
 	/**
 	 * Save `namespaces`.
 	 *
 	 * @param {String} namespaces
 	 * @api private
 	 */
 	function save(namespaces) {
 		try {
 			if (namespaces) {
 				exports.storage.setItem('debug', namespaces);
 			} else {
 				exports.storage.removeItem('debug');
 			}
 		} catch (error) {
 			// Swallow
 			// XXX (@Qix-) should we be logging these?
 		}
 	}
 
 	/**
 	 * Load `namespaces`.
 	 *
 	 * @return {String} returns the previously persisted debug modes
 	 * @api private
 	 */
 	function load() {
 		var r = void 0;
 		try {
 			r = exports.storage.getItem('debug');
 		} catch (error) {}
 		// Swallow
 		// XXX (@Qix-) should we be logging these?
 
 
 		// 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;
 	}
 
 	/**
 	 * 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 {
 			// TVMLKit (Apple TV JS Runtime) does not have a window object, just localStorage in the global context
 			// The Browser also has localStorage in the global context.
 			return localStorage;
 		} catch (error) {
 			// Swallow
 			// XXX (@Qix-) should we be logging these?
 		}
 	}
 
 	module.exports = __webpack_require__(24)(exports);
 
 	var formatters = module.exports.formatters;
 
 	/**
 	 * Map %j to `JSON.stringify()`, since no Web Inspectors do that by default.
 	 */
 
 	formatters.j = function (v) {
 		try {
 			return JSON.stringify(v);
 		} catch (error) {
 			return '[UnexpectedJSONParseError]: ' + error.message;
 		}
 	};
 	/* 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__) {
 
 	'use strict';
 
 	function _toConsumableArray(arr) { if (Array.isArray(arr)) { for (var i = 0, arr2 = Array(arr.length); i < arr.length; i++) { arr2[i] = arr[i]; } return arr2; } else { return Array.from(arr); } }
 
 	/**
 	 * This is the common logic for both the Node.js and web browser
 	 * implementations of `debug()`.
 	 */
 
 	function setup(env) {
 		createDebug.debug = createDebug;
 		createDebug.default = createDebug;
 		createDebug.coerce = coerce;
 		createDebug.disable = disable;
 		createDebug.enable = enable;
 		createDebug.enabled = enabled;
 		createDebug.humanize = __webpack_require__(25);
 
 		Object.keys(env).forEach(function (key) {
 			createDebug[key] = env[key];
 		});
 
 		/**
 	 * Active `debug` instances.
 	 */
 		createDebug.instances = [];
 
 		/**
 	 * The currently active debug mode names, and names to skip.
 	 */
 
 		createDebug.names = [];
 		createDebug.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".
 	 */
 		createDebug.formatters = {};
 
 		/**
 	 * Selects a color for a debug namespace
 	 * @param {String} namespace The namespace string for the for the debug instance to be colored
 	 * @return {Number|String} An ANSI color code for the given namespace
 	 * @api private
 	 */
 		function selectColor(namespace) {
 			var hash = 0;
 
 			for (var i = 0; i < namespace.length; i++) {
 				hash = (hash << 5) - hash + namespace.charCodeAt(i);
 				hash |= 0; // Convert to 32bit integer
 			}
 
 			return createDebug.colors[Math.abs(hash) % createDebug.colors.length];
 		}
 		createDebug.selectColor = selectColor;
 
 		/**
 	 * Create a debugger with the given `namespace`.
 	 *
 	 * @param {String} namespace
 	 * @return {Function}
 	 * @api public
 	 */
 		function createDebug(namespace) {
 			var prevTime = void 0;
 
 			function debug() {
 				for (var _len = arguments.length, args = Array(_len), _key = 0; _key < _len; _key++) {
 					args[_key] = arguments[_key];
 				}
 
 				// Disabled?
 				if (!debug.enabled) {
 					return;
 				}
 
 				var self = debug;
 
 				// Set `diff` timestamp
 				var curr = Number(new Date());
 				var ms = curr - (prevTime || curr);
 				self.diff = ms;
 				self.prev = prevTime;
 				self.curr = curr;
 				prevTime = curr;
 
 				args[0] = createDebug.coerce(args[0]);
 
 				if (typeof args[0] !== 'string') {
 					// 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 = createDebug.formatters[format];
 					if (typeof formatter === 'function') {
 						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.)
 				createDebug.formatArgs.call(self, args);
 
 				var logFn = self.log || createDebug.log;
 				logFn.apply(self, args);
 			}
 
 			debug.namespace = namespace;
 			debug.enabled = createDebug.enabled(namespace);
 			debug.useColors = createDebug.useColors();
 			debug.color = selectColor(namespace);
 			debug.destroy = destroy;
 			debug.extend = extend;
 			// Debug.formatArgs = formatArgs;
 			// debug.rawLog = rawLog;
 
 			// env-specific initialization logic for debug instances
 			if (typeof createDebug.init === 'function') {
 				createDebug.init(debug);
 			}
 
 			createDebug.instances.push(debug);
 
 			return debug;
 		}
 
 		function destroy() {
 			var index = createDebug.instances.indexOf(this);
 			if (index !== -1) {
 				createDebug.instances.splice(index, 1);
 				return true;
 			}
 			return false;
 		}
 
 		function extend(namespace, delimiter) {
 			var newDebug = createDebug(this.namespace + (typeof delimiter === 'undefined' ? ':' : delimiter) + namespace);
 			newDebug.log = this.log;
 			return newDebug;
 		}
 
 		/**
 	 * Enables a debug mode by namespaces. This can include modes
 	 * separated by a colon and wildcards.
 	 *
 	 * @param {String} namespaces
 	 * @api public
 	 */
 		function enable(namespaces) {
 			createDebug.save(namespaces);
 
 			createDebug.names = [];
 			createDebug.skips = [];
 
 			var i = void 0;
 			var split = (typeof namespaces === 'string' ? namespaces : '').split(/[\s,]+/);
 			var len = split.length;
 
 			for (i = 0; i < len; i++) {
 				if (!split[i]) {
 					// ignore empty strings
 					continue;
 				}
 
 				namespaces = split[i].replace(/\*/g, '.*?');
 
 				if (namespaces[0] === '-') {
 					createDebug.skips.push(new RegExp('^' + namespaces.substr(1) + '$'));
 				} else {
 					createDebug.names.push(new RegExp('^' + namespaces + '$'));
 				}
 			}
 
 			for (i = 0; i < createDebug.instances.length; i++) {
 				var instance = createDebug.instances[i];
 				instance.enabled = createDebug.enabled(instance.namespace);
 			}
 		}
 
 		/**
 	 * Disable debug output.
 	 *
 	 * @return {String} namespaces
 	 * @api public
 	 */
 		function disable() {
 			var namespaces = [].concat(_toConsumableArray(createDebug.names.map(toNamespace)), _toConsumableArray(createDebug.skips.map(toNamespace).map(function (namespace) {
 				return '-' + namespace;
 			}))).join(',');
 			createDebug.enable('');
 			return namespaces;
 		}
 
 		/**
 	 * Returns true if the given mode name is enabled, false otherwise.
 	 *
 	 * @param {String} name
 	 * @return {Boolean}
 	 * @api public
 	 */
 		function enabled(name) {
 			if (name[name.length - 1] === '*') {
 				return true;
 			}
 
 			var i = void 0;
 			var len = void 0;
 
 			for (i = 0, len = createDebug.skips.length; i < len; i++) {
 				if (createDebug.skips[i].test(name)) {
 					return false;
 				}
 			}
 
 			for (i = 0, len = createDebug.names.length; i < len; i++) {
 				if (createDebug.names[i].test(name)) {
 					return true;
 				}
 			}
 
 			return false;
 		}
 
 		/**
 	 * Convert regexp to namespace
 	 *
 	 * @param {RegExp} regxep
 	 * @return {String} namespace
 	 * @api private
 	 */
 		function toNamespace(regexp) {
 			return regexp.toString().substring(2, regexp.toString().length - 2).replace(/\.\*\?$/, '*');
 		}
 
 		/**
 	 * Coerce `val`.
 	 *
 	 * @param {Mixed} val
 	 * @return {Mixed}
 	 * @api private
 	 */
 		function coerce(val) {
 			if (val instanceof Error) {
 				return val.stack || val.message;
 			}
 			return val;
 		}
 
 		createDebug.enable(createDebug.load());
 
 		return createDebug;
 	}
 
 	module.exports = setup;
 
 /***/ },
 /* 25 */
 /***/ function(module, exports) {
 
 	/**
 	 * Helpers.
 	 */
 
 	var s = 1000;
 	var m = s * 60;
 	var h = m * 60;
 	var d = h * 24;
 	var w = d * 7;
 	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' && isFinite(val)) {
 	    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|weeks?|w|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 'weeks':
 	    case 'week':
 	    case 'w':
 	      return n * w;
 	    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) {
 	  var msAbs = Math.abs(ms);
 	  if (msAbs >= d) {
 	    return Math.round(ms / d) + 'd';
 	  }
 	  if (msAbs >= h) {
 	    return Math.round(ms / h) + 'h';
 	  }
 	  if (msAbs >= m) {
 	    return Math.round(ms / m) + 'm';
 	  }
 	  if (msAbs >= s) {
 	    return Math.round(ms / s) + 's';
 	  }
 	  return ms + 'ms';
 	}
 
 	/**
 	 * Long format for `ms`.
 	 *
 	 * @param {Number} ms
 	 * @return {String}
 	 * @api private
 	 */
 
 	function fmtLong(ms) {
 	  var msAbs = Math.abs(ms);
 	  if (msAbs >= d) {
 	    return plural(ms, msAbs, d, 'day');
 	  }
 	  if (msAbs >= h) {
 	    return plural(ms, msAbs, h, 'hour');
 	  }
 	  if (msAbs >= m) {
 	    return plural(ms, msAbs, m, 'minute');
 	  }
 	  if (msAbs >= s) {
 	    return plural(ms, msAbs, s, 'second');
 	  }
 	  return ms + ' ms';
 	}
 
 	/**
 	 * Pluralization helper.
 	 */
 
 	function plural(ms, msAbs, n, name) {
 	  var isPlural = msAbs >= n * 1.5;
 	  return Math.round(ms / n) + ' ' + name + (isPlural ? 's' : '');
 	}
 
 
 /***/ },
 /* 26 */
 /***/ function(module, exports, __webpack_require__) {
 
 	/**
 	 * Module requirements.
 	 */
 
 	var Polling = __webpack_require__(7);
 	var inherit = __webpack_require__(20);
 	var globalThis = __webpack_require__(5);
 
 	/**
 	 * 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
 	    callbacks = globalThis.___eio = (globalThis.___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 (typeof addEventListener === 'function') {
 	    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;
 	  }
 	};
 
 
 /***/ },
 /* 27 */
 /***/ function(module, exports, __webpack_require__) {
 
 	/**
 	 * Module dependencies.
 	 */
 
 	var Transport = __webpack_require__(8);
 	var parser = __webpack_require__(9);
 	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, NodeWebSocket;
 
 	if (typeof WebSocket !== 'undefined') {
 	  BrowserWebSocket = WebSocket;
 	} else if (typeof self !== 'undefined') {
 	  BrowserWebSocket = self.WebSocket || self.MozWebSocket;
 	}
 
 	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 WebSocketImpl = BrowserWebSocket || 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) {
 	    WebSocketImpl = 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 && !this.isReactNative
 	        ? protocols
 	          ? new WebSocketImpl(uri, protocols)
 	          : new WebSocketImpl(uri)
 	        : new WebSocketImpl(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 ? 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 !!WebSocketImpl && !('__initialize' in WebSocketImpl && this.name === WS.prototype.name);
 	};
 
 
 /***/ },
 /* 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;
 	};
 
 
 /***/ }
 /******/ ])
 });
 ;