twitst4tz

socket.io.slim.dev.js (132143B)

---

 /*!
  * Socket.IO v2.3.0
  * (c) 2014-2019 Guillermo Rauch
  * Released under the MIT License.
  */
 (function webpackUniversalModuleDefinition(root, factory) {
 	if(typeof exports === 'object' && typeof module === 'object')
 		module.exports = factory();
 	else if(typeof define === 'function' && define.amd)
 		define([], factory);
 	else if(typeof exports === 'object')
 		exports["io"] = factory();
 	else
 		root["io"] = factory();
 })(this, function() {
 return /******/ (function(modules) { // webpackBootstrap
 /******/ 	// The module cache
 /******/ 	var installedModules = {};
 /******/
 /******/ 	// The require function
 /******/ 	function __webpack_require__(moduleId) {
 /******/
 /******/ 		// Check if module is in cache
 /******/ 		if(installedModules[moduleId])
 /******/ 			return installedModules[moduleId].exports;
 /******/
 /******/ 		// Create a new module (and put it into the cache)
 /******/ 		var module = installedModules[moduleId] = {
 /******/ 			exports: {},
 /******/ 			id: moduleId,
 /******/ 			loaded: false
 /******/ 		};
 /******/
 /******/ 		// Execute the module function
 /******/ 		modules[moduleId].call(module.exports, module, module.exports, __webpack_require__);
 /******/
 /******/ 		// Flag the module as loaded
 /******/ 		module.loaded = true;
 /******/
 /******/ 		// Return the exports of the module
 /******/ 		return module.exports;
 /******/ 	}
 /******/
 /******/
 /******/ 	// expose the modules object (__webpack_modules__)
 /******/ 	__webpack_require__.m = modules;
 /******/
 /******/ 	// expose the module cache
 /******/ 	__webpack_require__.c = installedModules;
 /******/
 /******/ 	// __webpack_public_path__
 /******/ 	__webpack_require__.p = "";
 /******/
 /******/ 	// Load entry module and return exports
 /******/ 	return __webpack_require__(0);
 /******/ })
 /************************************************************************/
 /******/ ([
 /* 0 */
 /***/ (function(module, exports, __webpack_require__) {
 
 	'use strict';
 	
 	var _typeof = typeof Symbol === "function" && typeof Symbol.iterator === "symbol" ? function (obj) { return typeof obj; } : function (obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; };
 	
 	/**
 	 * Module dependencies.
 	 */
 	
 	var url = __webpack_require__(1);
 	var parser = __webpack_require__(4);
 	var Manager = __webpack_require__(9);
 	var debug = __webpack_require__(3)('socket.io-client');
 	
 	/**
 	 * Module exports.
 	 */
 	
 	module.exports = exports = lookup;
 	
 	/**
 	 * Managers cache.
 	 */
 	
 	var cache = exports.managers = {};
 	
 	/**
 	 * Looks up an existing `Manager` for multiplexing.
 	 * If the user summons:
 	 *
 	 *   `io('http://localhost/a');`
 	 *   `io('http://localhost/b');`
 	 *
 	 * We reuse the existing instance based on same scheme/port/host,
 	 * and we initialize sockets for each namespace.
 	 *
 	 * @api public
 	 */
 	
 	function lookup(uri, opts) {
 	  if ((typeof uri === 'undefined' ? 'undefined' : _typeof(uri)) === 'object') {
 	    opts = uri;
 	    uri = undefined;
 	  }
 	
 	  opts = opts || {};
 	
 	  var parsed = url(uri);
 	  var source = parsed.source;
 	  var id = parsed.id;
 	  var path = parsed.path;
 	  var sameNamespace = cache[id] && path in cache[id].nsps;
 	  var newConnection = opts.forceNew || opts['force new connection'] || false === opts.multiplex || sameNamespace;
 	
 	  var io;
 	
 	  if (newConnection) {
 	
 	    io = Manager(source, opts);
 	  } else {
 	    if (!cache[id]) {
 	
 	      cache[id] = Manager(source, opts);
 	    }
 	    io = cache[id];
 	  }
 	  if (parsed.query && !opts.query) {
 	    opts.query = parsed.query;
 	  }
 	  return io.socket(parsed.path, opts);
 	}
 	
 	/**
 	 * Protocol version.
 	 *
 	 * @api public
 	 */
 	
 	exports.protocol = parser.protocol;
 	
 	/**
 	 * `connect`.
 	 *
 	 * @param {String} uri
 	 * @api public
 	 */
 	
 	exports.connect = lookup;
 	
 	/**
 	 * Expose constructors for standalone build.
 	 *
 	 * @api public
 	 */
 	
 	exports.Manager = __webpack_require__(9);
 	exports.Socket = __webpack_require__(33);
 
 /***/ }),
 /* 1 */
 /***/ (function(module, exports, __webpack_require__) {
 
 	'use strict';
 	
 	/**
 	 * Module dependencies.
 	 */
 	
 	var parseuri = __webpack_require__(2);
 	var debug = __webpack_require__(3)('socket.io-client:url');
 	
 	/**
 	 * Module exports.
 	 */
 	
 	module.exports = url;
 	
 	/**
 	 * URL parser.
 	 *
 	 * @param {String} url
 	 * @param {Object} An object meant to mimic window.location.
 	 *                 Defaults to window.location.
 	 * @api public
 	 */
 	
 	function url(uri, loc) {
 	  var obj = uri;
 	
 	  // default to window.location
 	  loc = loc || typeof location !== 'undefined' && location;
 	  if (null == uri) uri = loc.protocol + '//' + loc.host;
 	
 	  // relative path support
 	  if ('string' === typeof uri) {
 	    if ('/' === uri.charAt(0)) {
 	      if ('/' === uri.charAt(1)) {
 	        uri = loc.protocol + uri;
 	      } else {
 	        uri = loc.host + uri;
 	      }
 	    }
 	
 	    if (!/^(https?|wss?):\/\//.test(uri)) {
 	
 	      if ('undefined' !== typeof loc) {
 	        uri = loc.protocol + '//' + uri;
 	      } else {
 	        uri = 'https://' + uri;
 	      }
 	    }
 	
 	    // parse
 	
 	    obj = parseuri(uri);
 	  }
 	
 	  // make sure we treat `localhost:80` and `localhost` equally
 	  if (!obj.port) {
 	    if (/^(http|ws)$/.test(obj.protocol)) {
 	      obj.port = '80';
 	    } else if (/^(http|ws)s$/.test(obj.protocol)) {
 	      obj.port = '443';
 	    }
 	  }
 	
 	  obj.path = obj.path || '/';
 	
 	  var ipv6 = obj.host.indexOf(':') !== -1;
 	  var host = ipv6 ? '[' + obj.host + ']' : obj.host;
 	
 	  // define unique id
 	  obj.id = obj.protocol + '://' + host + ':' + obj.port;
 	  // define href
 	  obj.href = obj.protocol + '://' + host + (loc && loc.port === obj.port ? '' : ':' + obj.port);
 	
 	  return obj;
 	}
 
 /***/ }),
 /* 2 */
 /***/ (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;
 	};
 
 
 /***/ }),
 /* 3 */
 /***/ (function(module, exports) {
 
 	"use strict";
 	
 	module.exports = function () {
 	  return function () {};
 	};
 
 /***/ }),
 /* 4 */
 /***/ (function(module, exports, __webpack_require__) {
 
 	
 	/**
 	 * Module dependencies.
 	 */
 	
 	var debug = __webpack_require__(3)('socket.io-parser');
 	var Emitter = __webpack_require__(5);
 	var binary = __webpack_require__(6);
 	var isArray = __webpack_require__(7);
 	var isBuf = __webpack_require__(8);
 	
 	/**
 	 * Protocol version.
 	 *
 	 * @api public
 	 */
 	
 	exports.protocol = 4;
 	
 	/**
 	 * Packet types.
 	 *
 	 * @api public
 	 */
 	
 	exports.types = [
 	  'CONNECT',
 	  'DISCONNECT',
 	  'EVENT',
 	  'ACK',
 	  'ERROR',
 	  'BINARY_EVENT',
 	  'BINARY_ACK'
 	];
 	
 	/**
 	 * Packet type `connect`.
 	 *
 	 * @api public
 	 */
 	
 	exports.CONNECT = 0;
 	
 	/**
 	 * Packet type `disconnect`.
 	 *
 	 * @api public
 	 */
 	
 	exports.DISCONNECT = 1;
 	
 	/**
 	 * Packet type `event`.
 	 *
 	 * @api public
 	 */
 	
 	exports.EVENT = 2;
 	
 	/**
 	 * Packet type `ack`.
 	 *
 	 * @api public
 	 */
 	
 	exports.ACK = 3;
 	
 	/**
 	 * Packet type `error`.
 	 *
 	 * @api public
 	 */
 	
 	exports.ERROR = 4;
 	
 	/**
 	 * Packet type 'binary event'
 	 *
 	 * @api public
 	 */
 	
 	exports.BINARY_EVENT = 5;
 	
 	/**
 	 * Packet type `binary ack`. For acks with binary arguments.
 	 *
 	 * @api public
 	 */
 	
 	exports.BINARY_ACK = 6;
 	
 	/**
 	 * Encoder constructor.
 	 *
 	 * @api public
 	 */
 	
 	exports.Encoder = Encoder;
 	
 	/**
 	 * Decoder constructor.
 	 *
 	 * @api public
 	 */
 	
 	exports.Decoder = Decoder;
 	
 	/**
 	 * A socket.io Encoder instance
 	 *
 	 * @api public
 	 */
 	
 	function Encoder() {}
 	
 	var ERROR_PACKET = exports.ERROR + '"encode error"';
 	
 	/**
 	 * Encode a packet as a single string if non-binary, or as a
 	 * buffer sequence, depending on packet type.
 	 *
 	 * @param {Object} obj - packet object
 	 * @param {Function} callback - function to handle encodings (likely engine.write)
 	 * @return Calls callback with Array of encodings
 	 * @api public
 	 */
 	
 	Encoder.prototype.encode = function(obj, callback){
 	
 	
 	  if (exports.BINARY_EVENT === obj.type || exports.BINARY_ACK === obj.type) {
 	    encodeAsBinary(obj, callback);
 	  } else {
 	    var encoding = encodeAsString(obj);
 	    callback([encoding]);
 	  }
 	};
 	
 	/**
 	 * Encode packet as string.
 	 *
 	 * @param {Object} packet
 	 * @return {String} encoded
 	 * @api private
 	 */
 	
 	function encodeAsString(obj) {
 	
 	  // first is type
 	  var str = '' + obj.type;
 	
 	  // attachments if we have them
 	  if (exports.BINARY_EVENT === obj.type || exports.BINARY_ACK === obj.type) {
 	    str += obj.attachments + '-';
 	  }
 	
 	  // if we have a namespace other than `/`
 	  // we append it followed by a comma `,`
 	  if (obj.nsp && '/' !== obj.nsp) {
 	    str += obj.nsp + ',';
 	  }
 	
 	  // immediately followed by the id
 	  if (null != obj.id) {
 	    str += obj.id;
 	  }
 	
 	  // json data
 	  if (null != obj.data) {
 	    var payload = tryStringify(obj.data);
 	    if (payload !== false) {
 	      str += payload;
 	    } else {
 	      return ERROR_PACKET;
 	    }
 	  }
 	
 	
 	  return str;
 	}
 	
 	function tryStringify(str) {
 	  try {
 	    return JSON.stringify(str);
 	  } catch(e){
 	    return false;
 	  }
 	}
 	
 	/**
 	 * Encode packet as 'buffer sequence' by removing blobs, and
 	 * deconstructing packet into object with placeholders and
 	 * a list of buffers.
 	 *
 	 * @param {Object} packet
 	 * @return {Buffer} encoded
 	 * @api private
 	 */
 	
 	function encodeAsBinary(obj, callback) {
 	
 	  function writeEncoding(bloblessData) {
 	    var deconstruction = binary.deconstructPacket(bloblessData);
 	    var pack = encodeAsString(deconstruction.packet);
 	    var buffers = deconstruction.buffers;
 	
 	    buffers.unshift(pack); // add packet info to beginning of data list
 	    callback(buffers); // write all the buffers
 	  }
 	
 	  binary.removeBlobs(obj, writeEncoding);
 	}
 	
 	/**
 	 * A socket.io Decoder instance
 	 *
 	 * @return {Object} decoder
 	 * @api public
 	 */
 	
 	function Decoder() {
 	  this.reconstructor = null;
 	}
 	
 	/**
 	 * Mix in `Emitter` with Decoder.
 	 */
 	
 	Emitter(Decoder.prototype);
 	
 	/**
 	 * Decodes an encoded packet string into packet JSON.
 	 *
 	 * @param {String} obj - encoded packet
 	 * @return {Object} packet
 	 * @api public
 	 */
 	
 	Decoder.prototype.add = function(obj) {
 	  var packet;
 	  if (typeof obj === 'string') {
 	    packet = decodeString(obj);
 	    if (exports.BINARY_EVENT === packet.type || exports.BINARY_ACK === packet.type) { // binary packet's json
 	      this.reconstructor = new BinaryReconstructor(packet);
 	
 	      // no attachments, labeled binary but no binary data to follow
 	      if (this.reconstructor.reconPack.attachments === 0) {
 	        this.emit('decoded', packet);
 	      }
 	    } else { // non-binary full packet
 	      this.emit('decoded', packet);
 	    }
 	  } else if (isBuf(obj) || obj.base64) { // raw binary data
 	    if (!this.reconstructor) {
 	      throw new Error('got binary data when not reconstructing a packet');
 	    } else {
 	      packet = this.reconstructor.takeBinaryData(obj);
 	      if (packet) { // received final buffer
 	        this.reconstructor = null;
 	        this.emit('decoded', packet);
 	      }
 	    }
 	  } else {
 	    throw new Error('Unknown type: ' + obj);
 	  }
 	};
 	
 	/**
 	 * Decode a packet String (JSON data)
 	 *
 	 * @param {String} str
 	 * @return {Object} packet
 	 * @api private
 	 */
 	
 	function decodeString(str) {
 	  var i = 0;
 	  // look up type
 	  var p = {
 	    type: Number(str.charAt(0))
 	  };
 	
 	  if (null == exports.types[p.type]) {
 	    return error('unknown packet type ' + p.type);
 	  }
 	
 	  // look up attachments if type binary
 	  if (exports.BINARY_EVENT === p.type || exports.BINARY_ACK === p.type) {
 	    var buf = '';
 	    while (str.charAt(++i) !== '-') {
 	      buf += str.charAt(i);
 	      if (i == str.length) break;
 	    }
 	    if (buf != Number(buf) || str.charAt(i) !== '-') {
 	      throw new Error('Illegal attachments');
 	    }
 	    p.attachments = Number(buf);
 	  }
 	
 	  // look up namespace (if any)
 	  if ('/' === str.charAt(i + 1)) {
 	    p.nsp = '';
 	    while (++i) {
 	      var c = str.charAt(i);
 	      if (',' === c) break;
 	      p.nsp += c;
 	      if (i === str.length) break;
 	    }
 	  } else {
 	    p.nsp = '/';
 	  }
 	
 	  // look up id
 	  var next = str.charAt(i + 1);
 	  if ('' !== next && Number(next) == next) {
 	    p.id = '';
 	    while (++i) {
 	      var c = str.charAt(i);
 	      if (null == c || Number(c) != c) {
 	        --i;
 	        break;
 	      }
 	      p.id += str.charAt(i);
 	      if (i === str.length) break;
 	    }
 	    p.id = Number(p.id);
 	  }
 	
 	  // look up json data
 	  if (str.charAt(++i)) {
 	    var payload = tryParse(str.substr(i));
 	    var isPayloadValid = payload !== false && (p.type === exports.ERROR || isArray(payload));
 	    if (isPayloadValid) {
 	      p.data = payload;
 	    } else {
 	      return error('invalid payload');
 	    }
 	  }
 	
 	
 	  return p;
 	}
 	
 	function tryParse(str) {
 	  try {
 	    return JSON.parse(str);
 	  } catch(e){
 	    return false;
 	  }
 	}
 	
 	/**
 	 * Deallocates a parser's resources
 	 *
 	 * @api public
 	 */
 	
 	Decoder.prototype.destroy = function() {
 	  if (this.reconstructor) {
 	    this.reconstructor.finishedReconstruction();
 	  }
 	};
 	
 	/**
 	 * A manager of a binary event's 'buffer sequence'. Should
 	 * be constructed whenever a packet of type BINARY_EVENT is
 	 * decoded.
 	 *
 	 * @param {Object} packet
 	 * @return {BinaryReconstructor} initialized reconstructor
 	 * @api private
 	 */
 	
 	function BinaryReconstructor(packet) {
 	  this.reconPack = packet;
 	  this.buffers = [];
 	}
 	
 	/**
 	 * Method to be called when binary data received from connection
 	 * after a BINARY_EVENT packet.
 	 *
 	 * @param {Buffer | ArrayBuffer} binData - the raw binary data received
 	 * @return {null | Object} returns null if more binary data is expected or
 	 *   a reconstructed packet object if all buffers have been received.
 	 * @api private
 	 */
 	
 	BinaryReconstructor.prototype.takeBinaryData = function(binData) {
 	  this.buffers.push(binData);
 	  if (this.buffers.length === this.reconPack.attachments) { // done with buffer list
 	    var packet = binary.reconstructPacket(this.reconPack, this.buffers);
 	    this.finishedReconstruction();
 	    return packet;
 	  }
 	  return null;
 	};
 	
 	/**
 	 * Cleans up binary packet reconstruction variables.
 	 *
 	 * @api private
 	 */
 	
 	BinaryReconstructor.prototype.finishedReconstruction = function() {
 	  this.reconPack = null;
 	  this.buffers = [];
 	};
 	
 	function error(msg) {
 	  return {
 	    type: exports.ERROR,
 	    data: 'parser error: ' + msg
 	  };
 	}
 
 
 /***/ }),
 /* 5 */
 /***/ (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;
 	};
 
 
 /***/ }),
 /* 6 */
 /***/ (function(module, exports, __webpack_require__) {
 
 	/*global Blob,File*/
 	
 	/**
 	 * Module requirements
 	 */
 	
 	var isArray = __webpack_require__(7);
 	var isBuf = __webpack_require__(8);
 	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]');
 	
 	/**
 	 * Replaces every Buffer | ArrayBuffer in packet with a numbered placeholder.
 	 * Anything with blobs or files should be fed through removeBlobs before coming
 	 * here.
 	 *
 	 * @param {Object} packet - socket.io event packet
 	 * @return {Object} with deconstructed packet and list of buffers
 	 * @api public
 	 */
 	
 	exports.deconstructPacket = function(packet) {
 	  var buffers = [];
 	  var packetData = packet.data;
 	  var pack = packet;
 	  pack.data = _deconstructPacket(packetData, buffers);
 	  pack.attachments = buffers.length; // number of binary 'attachments'
 	  return {packet: pack, buffers: buffers};
 	};
 	
 	function _deconstructPacket(data, buffers) {
 	  if (!data) return data;
 	
 	  if (isBuf(data)) {
 	    var placeholder = { _placeholder: true, num: buffers.length };
 	    buffers.push(data);
 	    return placeholder;
 	  } else if (isArray(data)) {
 	    var newData = new Array(data.length);
 	    for (var i = 0; i < data.length; i++) {
 	      newData[i] = _deconstructPacket(data[i], buffers);
 	    }
 	    return newData;
 	  } else if (typeof data === 'object' && !(data instanceof Date)) {
 	    var newData = {};
 	    for (var key in data) {
 	      newData[key] = _deconstructPacket(data[key], buffers);
 	    }
 	    return newData;
 	  }
 	  return data;
 	}
 	
 	/**
 	 * Reconstructs a binary packet from its placeholder packet and buffers
 	 *
 	 * @param {Object} packet - event packet with placeholders
 	 * @param {Array} buffers - binary buffers to put in placeholder positions
 	 * @return {Object} reconstructed packet
 	 * @api public
 	 */
 	
 	exports.reconstructPacket = function(packet, buffers) {
 	  packet.data = _reconstructPacket(packet.data, buffers);
 	  packet.attachments = undefined; // no longer useful
 	  return packet;
 	};
 	
 	function _reconstructPacket(data, buffers) {
 	  if (!data) return data;
 	
 	  if (data && data._placeholder) {
 	    return buffers[data.num]; // appropriate buffer (should be natural order anyway)
 	  } else if (isArray(data)) {
 	    for (var i = 0; i < data.length; i++) {
 	      data[i] = _reconstructPacket(data[i], buffers);
 	    }
 	  } else if (typeof data === 'object') {
 	    for (var key in data) {
 	      data[key] = _reconstructPacket(data[key], buffers);
 	    }
 	  }
 	
 	  return data;
 	}
 	
 	/**
 	 * Asynchronously removes Blobs or Files from data via
 	 * FileReader's readAsArrayBuffer method. Used before encoding
 	 * data as msgpack. Calls callback with the blobless data.
 	 *
 	 * @param {Object} data
 	 * @param {Function} callback
 	 * @api private
 	 */
 	
 	exports.removeBlobs = function(data, callback) {
 	  function _removeBlobs(obj, curKey, containingObject) {
 	    if (!obj) return obj;
 	
 	    // convert any blob
 	    if ((withNativeBlob && obj instanceof Blob) ||
 	        (withNativeFile && obj instanceof File)) {
 	      pendingBlobs++;
 	
 	      // async filereader
 	      var fileReader = new FileReader();
 	      fileReader.onload = function() { // this.result == arraybuffer
 	        if (containingObject) {
 	          containingObject[curKey] = this.result;
 	        }
 	        else {
 	          bloblessData = this.result;
 	        }
 	
 	        // if nothing pending its callback time
 	        if(! --pendingBlobs) {
 	          callback(bloblessData);
 	        }
 	      };
 	
 	      fileReader.readAsArrayBuffer(obj); // blob -> arraybuffer
 	    } else if (isArray(obj)) { // handle array
 	      for (var i = 0; i < obj.length; i++) {
 	        _removeBlobs(obj[i], i, obj);
 	      }
 	    } else if (typeof obj === 'object' && !isBuf(obj)) { // and object
 	      for (var key in obj) {
 	        _removeBlobs(obj[key], key, obj);
 	      }
 	    }
 	  }
 	
 	  var pendingBlobs = 0;
 	  var bloblessData = data;
 	  _removeBlobs(bloblessData);
 	  if (!pendingBlobs) {
 	    callback(bloblessData);
 	  }
 	};
 
 
 /***/ }),
 /* 7 */
 /***/ (function(module, exports) {
 
 	var toString = {}.toString;
 	
 	module.exports = Array.isArray || function (arr) {
 	  return toString.call(arr) == '[object Array]';
 	};
 
 
 /***/ }),
 /* 8 */
 /***/ (function(module, exports) {
 
 	
 	module.exports = isBuf;
 	
 	var withNativeBuffer = typeof Buffer === 'function' && typeof Buffer.isBuffer === 'function';
 	var withNativeArrayBuffer = typeof ArrayBuffer === 'function';
 	
 	var isView = function (obj) {
 	  return typeof ArrayBuffer.isView === 'function' ? ArrayBuffer.isView(obj) : (obj.buffer instanceof ArrayBuffer);
 	};
 	
 	/**
 	 * Returns true if obj is a buffer or an arraybuffer.
 	 *
 	 * @api private
 	 */
 	
 	function isBuf(obj) {
 	  return (withNativeBuffer && Buffer.isBuffer(obj)) ||
 	          (withNativeArrayBuffer && (obj instanceof ArrayBuffer || isView(obj)));
 	}
 
 
 /***/ }),
 /* 9 */
 /***/ (function(module, exports, __webpack_require__) {
 
 	'use strict';
 	
 	var _typeof = typeof Symbol === "function" && typeof Symbol.iterator === "symbol" ? function (obj) { return typeof obj; } : function (obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; };
 	
 	/**
 	 * Module dependencies.
 	 */
 	
 	var eio = __webpack_require__(10);
 	var Socket = __webpack_require__(33);
 	var Emitter = __webpack_require__(5);
 	var parser = __webpack_require__(4);
 	var on = __webpack_require__(35);
 	var bind = __webpack_require__(36);
 	var debug = __webpack_require__(3)('socket.io-client:manager');
 	var indexOf = __webpack_require__(32);
 	var Backoff = __webpack_require__(37);
 	
 	/**
 	 * IE6+ hasOwnProperty
 	 */
 	
 	var has = Object.prototype.hasOwnProperty;
 	
 	/**
 	 * Module exports
 	 */
 	
 	module.exports = Manager;
 	
 	/**
 	 * `Manager` constructor.
 	 *
 	 * @param {String} engine instance or engine uri/opts
 	 * @param {Object} options
 	 * @api public
 	 */
 	
 	function Manager(uri, opts) {
 	  if (!(this instanceof Manager)) return new Manager(uri, opts);
 	  if (uri && 'object' === (typeof uri === 'undefined' ? 'undefined' : _typeof(uri))) {
 	    opts = uri;
 	    uri = undefined;
 	  }
 	  opts = opts || {};
 	
 	  opts.path = opts.path || '/socket.io';
 	  this.nsps = {};
 	  this.subs = [];
 	  this.opts = opts;
 	  this.reconnection(opts.reconnection !== false);
 	  this.reconnectionAttempts(opts.reconnectionAttempts || Infinity);
 	  this.reconnectionDelay(opts.reconnectionDelay || 1000);
 	  this.reconnectionDelayMax(opts.reconnectionDelayMax || 5000);
 	  this.randomizationFactor(opts.randomizationFactor || 0.5);
 	  this.backoff = new Backoff({
 	    min: this.reconnectionDelay(),
 	    max: this.reconnectionDelayMax(),
 	    jitter: this.randomizationFactor()
 	  });
 	  this.timeout(null == opts.timeout ? 20000 : opts.timeout);
 	  this.readyState = 'closed';
 	  this.uri = uri;
 	  this.connecting = [];
 	  this.lastPing = null;
 	  this.encoding = false;
 	  this.packetBuffer = [];
 	  var _parser = opts.parser || parser;
 	  this.encoder = new _parser.Encoder();
 	  this.decoder = new _parser.Decoder();
 	  this.autoConnect = opts.autoConnect !== false;
 	  if (this.autoConnect) this.open();
 	}
 	
 	/**
 	 * Propagate given event to sockets and emit on `this`
 	 *
 	 * @api private
 	 */
 	
 	Manager.prototype.emitAll = function () {
 	  this.emit.apply(this, arguments);
 	  for (var nsp in this.nsps) {
 	    if (has.call(this.nsps, nsp)) {
 	      this.nsps[nsp].emit.apply(this.nsps[nsp], arguments);
 	    }
 	  }
 	};
 	
 	/**
 	 * Update `socket.id` of all sockets
 	 *
 	 * @api private
 	 */
 	
 	Manager.prototype.updateSocketIds = function () {
 	  for (var nsp in this.nsps) {
 	    if (has.call(this.nsps, nsp)) {
 	      this.nsps[nsp].id = this.generateId(nsp);
 	    }
 	  }
 	};
 	
 	/**
 	 * generate `socket.id` for the given `nsp`
 	 *
 	 * @param {String} nsp
 	 * @return {String}
 	 * @api private
 	 */
 	
 	Manager.prototype.generateId = function (nsp) {
 	  return (nsp === '/' ? '' : nsp + '#') + this.engine.id;
 	};
 	
 	/**
 	 * Mix in `Emitter`.
 	 */
 	
 	Emitter(Manager.prototype);
 	
 	/**
 	 * Sets the `reconnection` config.
 	 *
 	 * @param {Boolean} true/false if it should automatically reconnect
 	 * @return {Manager} self or value
 	 * @api public
 	 */
 	
 	Manager.prototype.reconnection = function (v) {
 	  if (!arguments.length) return this._reconnection;
 	  this._reconnection = !!v;
 	  return this;
 	};
 	
 	/**
 	 * Sets the reconnection attempts config.
 	 *
 	 * @param {Number} max reconnection attempts before giving up
 	 * @return {Manager} self or value
 	 * @api public
 	 */
 	
 	Manager.prototype.reconnectionAttempts = function (v) {
 	  if (!arguments.length) return this._reconnectionAttempts;
 	  this._reconnectionAttempts = v;
 	  return this;
 	};
 	
 	/**
 	 * Sets the delay between reconnections.
 	 *
 	 * @param {Number} delay
 	 * @return {Manager} self or value
 	 * @api public
 	 */
 	
 	Manager.prototype.reconnectionDelay = function (v) {
 	  if (!arguments.length) return this._reconnectionDelay;
 	  this._reconnectionDelay = v;
 	  this.backoff && this.backoff.setMin(v);
 	  return this;
 	};
 	
 	Manager.prototype.randomizationFactor = function (v) {
 	  if (!arguments.length) return this._randomizationFactor;
 	  this._randomizationFactor = v;
 	  this.backoff && this.backoff.setJitter(v);
 	  return this;
 	};
 	
 	/**
 	 * Sets the maximum delay between reconnections.
 	 *
 	 * @param {Number} delay
 	 * @return {Manager} self or value
 	 * @api public
 	 */
 	
 	Manager.prototype.reconnectionDelayMax = function (v) {
 	  if (!arguments.length) return this._reconnectionDelayMax;
 	  this._reconnectionDelayMax = v;
 	  this.backoff && this.backoff.setMax(v);
 	  return this;
 	};
 	
 	/**
 	 * Sets the connection timeout. `false` to disable
 	 *
 	 * @return {Manager} self or value
 	 * @api public
 	 */
 	
 	Manager.prototype.timeout = function (v) {
 	  if (!arguments.length) return this._timeout;
 	  this._timeout = v;
 	  return this;
 	};
 	
 	/**
 	 * Starts trying to reconnect if reconnection is enabled and we have not
 	 * started reconnecting yet
 	 *
 	 * @api private
 	 */
 	
 	Manager.prototype.maybeReconnectOnOpen = function () {
 	  // Only try to reconnect if it's the first time we're connecting
 	  if (!this.reconnecting && this._reconnection && this.backoff.attempts === 0) {
 	    // keeps reconnection from firing twice for the same reconnection loop
 	    this.reconnect();
 	  }
 	};
 	
 	/**
 	 * Sets the current transport `socket`.
 	 *
 	 * @param {Function} optional, callback
 	 * @return {Manager} self
 	 * @api public
 	 */
 	
 	Manager.prototype.open = Manager.prototype.connect = function (fn, opts) {
 	
 	  if (~this.readyState.indexOf('open')) return this;
 	
 	  this.engine = eio(this.uri, this.opts);
 	  var socket = this.engine;
 	  var self = this;
 	  this.readyState = 'opening';
 	  this.skipReconnect = false;
 	
 	  // emit `open`
 	  var openSub = on(socket, 'open', function () {
 	    self.onopen();
 	    fn && fn();
 	  });
 	
 	  // emit `connect_error`
 	  var errorSub = on(socket, 'error', function (data) {
 	
 	    self.cleanup();
 	    self.readyState = 'closed';
 	    self.emitAll('connect_error', data);
 	    if (fn) {
 	      var err = new Error('Connection error');
 	      err.data = data;
 	      fn(err);
 	    } else {
 	      // Only do this if there is no fn to handle the error
 	      self.maybeReconnectOnOpen();
 	    }
 	  });
 	
 	  // emit `connect_timeout`
 	  if (false !== this._timeout) {
 	    var timeout = this._timeout;
 	
 	    // set timer
 	    var timer = setTimeout(function () {
 	
 	      openSub.destroy();
 	      socket.close();
 	      socket.emit('error', 'timeout');
 	      self.emitAll('connect_timeout', timeout);
 	    }, timeout);
 	
 	    this.subs.push({
 	      destroy: function destroy() {
 	        clearTimeout(timer);
 	      }
 	    });
 	  }
 	
 	  this.subs.push(openSub);
 	  this.subs.push(errorSub);
 	
 	  return this;
 	};
 	
 	/**
 	 * Called upon transport open.
 	 *
 	 * @api private
 	 */
 	
 	Manager.prototype.onopen = function () {
 	
 	  // clear old subs
 	  this.cleanup();
 	
 	  // mark as open
 	  this.readyState = 'open';
 	  this.emit('open');
 	
 	  // add new subs
 	  var socket = this.engine;
 	  this.subs.push(on(socket, 'data', bind(this, 'ondata')));
 	  this.subs.push(on(socket, 'ping', bind(this, 'onping')));
 	  this.subs.push(on(socket, 'pong', bind(this, 'onpong')));
 	  this.subs.push(on(socket, 'error', bind(this, 'onerror')));
 	  this.subs.push(on(socket, 'close', bind(this, 'onclose')));
 	  this.subs.push(on(this.decoder, 'decoded', bind(this, 'ondecoded')));
 	};
 	
 	/**
 	 * Called upon a ping.
 	 *
 	 * @api private
 	 */
 	
 	Manager.prototype.onping = function () {
 	  this.lastPing = new Date();
 	  this.emitAll('ping');
 	};
 	
 	/**
 	 * Called upon a packet.
 	 *
 	 * @api private
 	 */
 	
 	Manager.prototype.onpong = function () {
 	  this.emitAll('pong', new Date() - this.lastPing);
 	};
 	
 	/**
 	 * Called with data.
 	 *
 	 * @api private
 	 */
 	
 	Manager.prototype.ondata = function (data) {
 	  this.decoder.add(data);
 	};
 	
 	/**
 	 * Called when parser fully decodes a packet.
 	 *
 	 * @api private
 	 */
 	
 	Manager.prototype.ondecoded = function (packet) {
 	  this.emit('packet', packet);
 	};
 	
 	/**
 	 * Called upon socket error.
 	 *
 	 * @api private
 	 */
 	
 	Manager.prototype.onerror = function (err) {
 	
 	  this.emitAll('error', err);
 	};
 	
 	/**
 	 * Creates a new socket for the given `nsp`.
 	 *
 	 * @return {Socket}
 	 * @api public
 	 */
 	
 	Manager.prototype.socket = function (nsp, opts) {
 	  var socket = this.nsps[nsp];
 	  if (!socket) {
 	    socket = new Socket(this, nsp, opts);
 	    this.nsps[nsp] = socket;
 	    var self = this;
 	    socket.on('connecting', onConnecting);
 	    socket.on('connect', function () {
 	      socket.id = self.generateId(nsp);
 	    });
 	
 	    if (this.autoConnect) {
 	      // manually call here since connecting event is fired before listening
 	      onConnecting();
 	    }
 	  }
 	
 	  function onConnecting() {
 	    if (!~indexOf(self.connecting, socket)) {
 	      self.connecting.push(socket);
 	    }
 	  }
 	
 	  return socket;
 	};
 	
 	/**
 	 * Called upon a socket close.
 	 *
 	 * @param {Socket} socket
 	 */
 	
 	Manager.prototype.destroy = function (socket) {
 	  var index = indexOf(this.connecting, socket);
 	  if (~index) this.connecting.splice(index, 1);
 	  if (this.connecting.length) return;
 	
 	  this.close();
 	};
 	
 	/**
 	 * Writes a packet.
 	 *
 	 * @param {Object} packet
 	 * @api private
 	 */
 	
 	Manager.prototype.packet = function (packet) {
 	
 	  var self = this;
 	  if (packet.query && packet.type === 0) packet.nsp += '?' + packet.query;
 	
 	  if (!self.encoding) {
 	    // encode, then write to engine with result
 	    self.encoding = true;
 	    this.encoder.encode(packet, function (encodedPackets) {
 	      for (var i = 0; i < encodedPackets.length; i++) {
 	        self.engine.write(encodedPackets[i], packet.options);
 	      }
 	      self.encoding = false;
 	      self.processPacketQueue();
 	    });
 	  } else {
 	    // add packet to the queue
 	    self.packetBuffer.push(packet);
 	  }
 	};
 	
 	/**
 	 * If packet buffer is non-empty, begins encoding the
 	 * next packet in line.
 	 *
 	 * @api private
 	 */
 	
 	Manager.prototype.processPacketQueue = function () {
 	  if (this.packetBuffer.length > 0 && !this.encoding) {
 	    var pack = this.packetBuffer.shift();
 	    this.packet(pack);
 	  }
 	};
 	
 	/**
 	 * Clean up transport subscriptions and packet buffer.
 	 *
 	 * @api private
 	 */
 	
 	Manager.prototype.cleanup = function () {
 	
 	  var subsLength = this.subs.length;
 	  for (var i = 0; i < subsLength; i++) {
 	    var sub = this.subs.shift();
 	    sub.destroy();
 	  }
 	
 	  this.packetBuffer = [];
 	  this.encoding = false;
 	  this.lastPing = null;
 	
 	  this.decoder.destroy();
 	};
 	
 	/**
 	 * Close the current socket.
 	 *
 	 * @api private
 	 */
 	
 	Manager.prototype.close = Manager.prototype.disconnect = function () {
 	
 	  this.skipReconnect = true;
 	  this.reconnecting = false;
 	  if ('opening' === this.readyState) {
 	    // `onclose` will not fire because
 	    // an open event never happened
 	    this.cleanup();
 	  }
 	  this.backoff.reset();
 	  this.readyState = 'closed';
 	  if (this.engine) this.engine.close();
 	};
 	
 	/**
 	 * Called upon engine close.
 	 *
 	 * @api private
 	 */
 	
 	Manager.prototype.onclose = function (reason) {
 	
 	  this.cleanup();
 	  this.backoff.reset();
 	  this.readyState = 'closed';
 	  this.emit('close', reason);
 	
 	  if (this._reconnection && !this.skipReconnect) {
 	    this.reconnect();
 	  }
 	};
 	
 	/**
 	 * Attempt a reconnection.
 	 *
 	 * @api private
 	 */
 	
 	Manager.prototype.reconnect = function () {
 	  if (this.reconnecting || this.skipReconnect) return this;
 	
 	  var self = this;
 	
 	  if (this.backoff.attempts >= this._reconnectionAttempts) {
 	
 	    this.backoff.reset();
 	    this.emitAll('reconnect_failed');
 	    this.reconnecting = false;
 	  } else {
 	    var delay = this.backoff.duration();
 	
 	    this.reconnecting = true;
 	    var timer = setTimeout(function () {
 	      if (self.skipReconnect) return;
 	
 	      self.emitAll('reconnect_attempt', self.backoff.attempts);
 	      self.emitAll('reconnecting', self.backoff.attempts);
 	
 	      // check again for the case socket closed in above events
 	      if (self.skipReconnect) return;
 	
 	      self.open(function (err) {
 	        if (err) {
 	
 	          self.reconnecting = false;
 	          self.reconnect();
 	          self.emitAll('reconnect_error', err.data);
 	        } else {
 	
 	          self.onreconnect();
 	        }
 	      });
 	    }, delay);
 	
 	    this.subs.push({
 	      destroy: function destroy() {
 	        clearTimeout(timer);
 	      }
 	    });
 	  }
 	};
 	
 	/**
 	 * Called upon successful reconnect.
 	 *
 	 * @api private
 	 */
 	
 	Manager.prototype.onreconnect = function () {
 	  var attempt = this.backoff.attempts;
 	  this.reconnecting = false;
 	  this.backoff.reset();
 	  this.updateSocketIds();
 	  this.emitAll('reconnect', attempt);
 	};
 
 /***/ }),
 /* 10 */
 /***/ (function(module, exports, __webpack_require__) {
 
 	
 	module.exports = __webpack_require__(11);
 	
 	/**
 	 * Exports parser
 	 *
 	 * @api public
 	 *
 	 */
 	module.exports.parser = __webpack_require__(18);
 
 
 /***/ }),
 /* 11 */
 /***/ (function(module, exports, __webpack_require__) {
 
 	/**
 	 * Module dependencies.
 	 */
 	
 	var transports = __webpack_require__(12);
 	var Emitter = __webpack_require__(5);
 	var debug = __webpack_require__(3)('engine.io-client:socket');
 	var index = __webpack_require__(32);
 	var parser = __webpack_require__(18);
 	var parseuri = __webpack_require__(2);
 	var parseqs = __webpack_require__(26);
 	
 	/**
 	 * 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__(17);
 	Socket.transports = __webpack_require__(12);
 	Socket.parser = __webpack_require__(18);
 	
 	/**
 	 * Creates transport of the given type.
 	 *
 	 * @param {String} transport name
 	 * @return {Transport}
 	 * @api private
 	 */
 	
 	Socket.prototype.createTransport = function (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) {
 	
 	  var self = this;
 	
 	  if (this.transport) {
 	
 	    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) {
 	
 	  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;
 	
 	
 	    transport.send([{ type: 'ping', data: 'probe' }]);
 	    transport.once('packet', function (msg) {
 	      if (failed) return;
 	      if ('pong' === msg.type && 'probe' === msg.data) {
 	
 	        self.upgrading = true;
 	        self.emit('upgrading', transport);
 	        if (!transport) return;
 	        Socket.priorWebsocketSuccess = 'websocket' === transport.name;
 	
 	
 	        self.transport.pause(function () {
 	          if (failed) return;
 	          if ('closed' === self.readyState) return;
 	
 	
 	          cleanup();
 	
 	          self.setTransport(transport);
 	          transport.send([{ type: 'upgrade' }]);
 	          self.emit('upgrade', transport);
 	          transport = null;
 	          self.upgrading = false;
 	          self.flush();
 	        });
 	      } else {
 	
 	        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();
 	
 	
 	
 	    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) {
 	
 	      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 () {
 	
 	  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) {
 	
 	    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) {
 	
 	
 	    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 {
 	
 	  }
 	};
 	
 	/**
 	 * 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 () {
 	
 	    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) {
 	
 	    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');
 	
 	    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) {
 	
 	  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) {
 	
 	    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;
 	};
 
 
 /***/ }),
 /* 12 */
 /***/ (function(module, exports, __webpack_require__) {
 
 	/**
 	 * Module dependencies
 	 */
 	
 	var XMLHttpRequest = __webpack_require__(13);
 	var XHR = __webpack_require__(15);
 	var JSONP = __webpack_require__(29);
 	var websocket = __webpack_require__(30);
 	
 	/**
 	 * 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);
 	  }
 	}
 
 
 /***/ }),
 /* 13 */
 /***/ (function(module, exports, __webpack_require__) {
 
 	// browser shim for xmlhttprequest module
 	
 	var hasCORS = __webpack_require__(14);
 	
 	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 self[['Active'].concat('Object').join('X')]('Microsoft.XMLHTTP');
 	    } catch (e) { }
 	  }
 	};
 
 
 /***/ }),
 /* 14 */
 /***/ (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;
 	}
 
 
 /***/ }),
 /* 15 */
 /***/ (function(module, exports, __webpack_require__) {
 
 	/* global attachEvent */
 	
 	/**
 	 * Module requirements.
 	 */
 	
 	var XMLHttpRequest = __webpack_require__(13);
 	var Polling = __webpack_require__(16);
 	var Emitter = __webpack_require__(5);
 	var inherit = __webpack_require__(27);
 	var debug = __webpack_require__(3)('engine.io-client:polling-xhr');
 	
 	/**
 	 * Module exports.
 	 */
 	
 	module.exports = XHR;
 	module.exports.Request = Request;
 	
 	/**
 	 * Empty function
 	 */
 	
 	function empty () {}
 	
 	/**
 	 * XHR Polling constructor.
 	 *
 	 * @param {Object} opts
 	 * @api public
 	 */
 	
 	function XHR (opts) {
 	  Polling.call(this, opts);
 	  this.requestTimeout = opts.requestTimeout;
 	  this.extraHeaders = opts.extraHeaders;
 	
 	  if (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 () {
 	
 	  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 {
 	
 	    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);
 	        }
 	      };
 	    }
 	
 	
 	    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 self ? 'pagehide' : 'unload';
 	    addEventListener(terminationEvent, unloadHandler, false);
 	  }
 	}
 	
 	function unloadHandler () {
 	  for (var i in Request.requests) {
 	    if (Request.requests.hasOwnProperty(i)) {
 	      Request.requests[i].abort();
 	    }
 	  }
 	}
 
 
 /***/ }),
 /* 16 */
 /***/ (function(module, exports, __webpack_require__) {
 
 	/**
 	 * Module dependencies.
 	 */
 	
 	var Transport = __webpack_require__(17);
 	var parseqs = __webpack_require__(26);
 	var parser = __webpack_require__(18);
 	var inherit = __webpack_require__(27);
 	var yeast = __webpack_require__(28);
 	var debug = __webpack_require__(3)('engine.io-client:polling');
 	
 	/**
 	 * Module exports.
 	 */
 	
 	module.exports = Polling;
 	
 	/**
 	 * Is XHR2 supported?
 	 */
 	
 	var hasXHR2 = (function () {
 	  var XMLHttpRequest = __webpack_require__(13);
 	  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 () {
 	
 	    self.readyState = 'paused';
 	    onPause();
 	  }
 	
 	  if (this.polling || !this.writable) {
 	    var total = 0;
 	
 	    if (this.polling) {
 	
 	      total++;
 	      this.once('pollComplete', function () {
 	
 	        --total || pause();
 	      });
 	    }
 	
 	    if (!this.writable) {
 	
 	      total++;
 	      this.once('drain', function () {
 	
 	        --total || pause();
 	      });
 	    }
 	  } else {
 	    pause();
 	  }
 	};
 	
 	/**
 	 * Starts polling cycle.
 	 *
 	 * @api public
 	 */
 	
 	Polling.prototype.poll = function () {
 	
 	  this.polling = true;
 	  this.doPoll();
 	  this.emit('poll');
 	};
 	
 	/**
 	 * Overloads onData to detect payloads.
 	 *
 	 * @api private
 	 */
 	
 	Polling.prototype.onData = function (data) {
 	  var self = this;
 	
 	  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 {
 	
 	    }
 	  }
 	};
 	
 	/**
 	 * For polling, send a close packet.
 	 *
 	 * @api private
 	 */
 	
 	Polling.prototype.doClose = function () {
 	  var self = this;
 	
 	  function close () {
 	
 	    self.write([{ type: 'close' }]);
 	  }
 	
 	  if ('open' === this.readyState) {
 	
 	    close();
 	  } else {
 	    // in case we're trying to close while
 	    // handshaking is in progress (GH-164)
 	
 	    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;
 	};
 
 
 /***/ }),
 /* 17 */
 /***/ (function(module, exports, __webpack_require__) {
 
 	/**
 	 * Module dependencies.
 	 */
 	
 	var parser = __webpack_require__(18);
 	var Emitter = __webpack_require__(5);
 	
 	/**
 	 * 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');
 	};
 
 
 /***/ }),
 /* 18 */
 /***/ (function(module, exports, __webpack_require__) {
 
 	/**
 	 * Module dependencies.
 	 */
 	
 	var keys = __webpack_require__(19);
 	var hasBinary = __webpack_require__(20);
 	var sliceBuffer = __webpack_require__(21);
 	var after = __webpack_require__(22);
 	var utf8 = __webpack_require__(23);
 	
 	var base64encoder;
 	if (typeof ArrayBuffer !== 'undefined') {
 	  base64encoder = __webpack_require__(24);
 	}
 	
 	/**
 	 * 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__(25);
 	
 	/**
 	 * 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);
 	  });
 	};
 
 
 /***/ }),
 /* 19 */
 /***/ (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;
 	};
 
 
 /***/ }),
 /* 20 */
 /***/ (function(module, exports, __webpack_require__) {
 
 	/* global Blob File */
 	
 	/*
 	 * Module requirements.
 	 */
 	
 	var isArray = __webpack_require__(7);
 	
 	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;
 	}
 
 
 /***/ }),
 /* 21 */
 /***/ (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;
 	};
 
 
 /***/ }),
 /* 22 */
 /***/ (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() {}
 
 
 /***/ }),
 /* 23 */
 /***/ (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
 	};
 
 
 /***/ }),
 /* 24 */
 /***/ (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;
 	  };
 	})();
 
 
 /***/ }),
 /* 25 */
 /***/ (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;
 	  }
 	})();
 
 
 /***/ }),
 /* 26 */
 /***/ (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;
 	};
 
 
 /***/ }),
 /* 27 */
 /***/ (function(module, exports) {
 
 	
 	module.exports = function(a, b){
 	  var fn = function(){};
 	  fn.prototype = b.prototype;
 	  a.prototype = new fn;
 	  a.prototype.constructor = a;
 	};
 
 /***/ }),
 /* 28 */
 /***/ (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;
 
 
 /***/ }),
 /* 29 */
 /***/ (function(module, exports, __webpack_require__) {
 
 	/* WEBPACK VAR INJECTION */(function(global) {/**
 	 * Module requirements.
 	 */
 	
 	var Polling = __webpack_require__(16);
 	var inherit = __webpack_require__(27);
 	
 	/**
 	 * Module exports.
 	 */
 	
 	module.exports = JSONPPolling;
 	
 	/**
 	 * Cached regular expressions.
 	 */
 	
 	var rNewline = /\n/g;
 	var rEscapedNewline = /\\n/g;
 	
 	/**
 	 * Global JSONP callbacks.
 	 */
 	
 	var callbacks;
 	
 	/**
 	 * Noop.
 	 */
 	
 	function empty () { }
 	
 	/**
 	 * Until https://github.com/tc39/proposal-global is shipped.
 	 */
 	function glob () {
 	  return typeof self !== 'undefined' ? self
 	      : typeof window !== 'undefined' ? window
 	      : typeof global !== 'undefined' ? global : {};
 	}
 	
 	/**
 	 * 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
 	    var global = glob();
 	    callbacks = global.___eio = (global.___eio || []);
 	  }
 	
 	  // callback identifier
 	  this.index = callbacks.length;
 	
 	  // add callback to jsonp global
 	  var self = this;
 	  callbacks.push(function (msg) {
 	    self.onData(msg);
 	  });
 	
 	  // append to query string
 	  this.query.j = this.index;
 	
 	  // prevent spurious errors from being emitted when the window is unloaded
 	  if (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;
 	  }
 	};
 	
 	/* WEBPACK VAR INJECTION */}.call(exports, (function() { return this; }())))
 
 /***/ }),
 /* 30 */
 /***/ (function(module, exports, __webpack_require__) {
 
 	/**
 	 * Module dependencies.
 	 */
 	
 	var Transport = __webpack_require__(17);
 	var parser = __webpack_require__(18);
 	var parseqs = __webpack_require__(26);
 	var inherit = __webpack_require__(27);
 	var yeast = __webpack_require__(28);
 	var debug = __webpack_require__(3)('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__(31);
 	  } 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) {
 	
 	        }
 	
 	        --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);
 	};
 
 
 /***/ }),
 /* 31 */
 /***/ (function(module, exports) {
 
 	/* (ignored) */
 
 /***/ }),
 /* 32 */
 /***/ (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;
 	};
 
 /***/ }),
 /* 33 */
 /***/ (function(module, exports, __webpack_require__) {
 
 	'use strict';
 	
 	var _typeof = typeof Symbol === "function" && typeof Symbol.iterator === "symbol" ? function (obj) { return typeof obj; } : function (obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; };
 	
 	/**
 	 * Module dependencies.
 	 */
 	
 	var parser = __webpack_require__(4);
 	var Emitter = __webpack_require__(5);
 	var toArray = __webpack_require__(34);
 	var on = __webpack_require__(35);
 	var bind = __webpack_require__(36);
 	var debug = __webpack_require__(3)('socket.io-client:socket');
 	var parseqs = __webpack_require__(26);
 	var hasBin = __webpack_require__(20);
 	
 	/**
 	 * Module exports.
 	 */
 	
 	module.exports = exports = Socket;
 	
 	/**
 	 * Internal events (blacklisted).
 	 * These events can't be emitted by the user.
 	 *
 	 * @api private
 	 */
 	
 	var events = {
 	  connect: 1,
 	  connect_error: 1,
 	  connect_timeout: 1,
 	  connecting: 1,
 	  disconnect: 1,
 	  error: 1,
 	  reconnect: 1,
 	  reconnect_attempt: 1,
 	  reconnect_failed: 1,
 	  reconnect_error: 1,
 	  reconnecting: 1,
 	  ping: 1,
 	  pong: 1
 	};
 	
 	/**
 	 * Shortcut to `Emitter#emit`.
 	 */
 	
 	var emit = Emitter.prototype.emit;
 	
 	/**
 	 * `Socket` constructor.
 	 *
 	 * @api public
 	 */
 	
 	function Socket(io, nsp, opts) {
 	  this.io = io;
 	  this.nsp = nsp;
 	  this.json = this; // compat
 	  this.ids = 0;
 	  this.acks = {};
 	  this.receiveBuffer = [];
 	  this.sendBuffer = [];
 	  this.connected = false;
 	  this.disconnected = true;
 	  this.flags = {};
 	  if (opts && opts.query) {
 	    this.query = opts.query;
 	  }
 	  if (this.io.autoConnect) this.open();
 	}
 	
 	/**
 	 * Mix in `Emitter`.
 	 */
 	
 	Emitter(Socket.prototype);
 	
 	/**
 	 * Subscribe to open, close and packet events
 	 *
 	 * @api private
 	 */
 	
 	Socket.prototype.subEvents = function () {
 	  if (this.subs) return;
 	
 	  var io = this.io;
 	  this.subs = [on(io, 'open', bind(this, 'onopen')), on(io, 'packet', bind(this, 'onpacket')), on(io, 'close', bind(this, 'onclose'))];
 	};
 	
 	/**
 	 * "Opens" the socket.
 	 *
 	 * @api public
 	 */
 	
 	Socket.prototype.open = Socket.prototype.connect = function () {
 	  if (this.connected) return this;
 	
 	  this.subEvents();
 	  this.io.open(); // ensure open
 	  if ('open' === this.io.readyState) this.onopen();
 	  this.emit('connecting');
 	  return this;
 	};
 	
 	/**
 	 * Sends a `message` event.
 	 *
 	 * @return {Socket} self
 	 * @api public
 	 */
 	
 	Socket.prototype.send = function () {
 	  var args = toArray(arguments);
 	  args.unshift('message');
 	  this.emit.apply(this, args);
 	  return this;
 	};
 	
 	/**
 	 * Override `emit`.
 	 * If the event is in `events`, it's emitted normally.
 	 *
 	 * @param {String} event name
 	 * @return {Socket} self
 	 * @api public
 	 */
 	
 	Socket.prototype.emit = function (ev) {
 	  if (events.hasOwnProperty(ev)) {
 	    emit.apply(this, arguments);
 	    return this;
 	  }
 	
 	  var args = toArray(arguments);
 	  var packet = {
 	    type: (this.flags.binary !== undefined ? this.flags.binary : hasBin(args)) ? parser.BINARY_EVENT : parser.EVENT,
 	    data: args
 	  };
 	
 	  packet.options = {};
 	  packet.options.compress = !this.flags || false !== this.flags.compress;
 	
 	  // event ack callback
 	  if ('function' === typeof args[args.length - 1]) {
 	
 	    this.acks[this.ids] = args.pop();
 	    packet.id = this.ids++;
 	  }
 	
 	  if (this.connected) {
 	    this.packet(packet);
 	  } else {
 	    this.sendBuffer.push(packet);
 	  }
 	
 	  this.flags = {};
 	
 	  return this;
 	};
 	
 	/**
 	 * Sends a packet.
 	 *
 	 * @param {Object} packet
 	 * @api private
 	 */
 	
 	Socket.prototype.packet = function (packet) {
 	  packet.nsp = this.nsp;
 	  this.io.packet(packet);
 	};
 	
 	/**
 	 * Called upon engine `open`.
 	 *
 	 * @api private
 	 */
 	
 	Socket.prototype.onopen = function () {
 	
 	  // write connect packet if necessary
 	  if ('/' !== this.nsp) {
 	    if (this.query) {
 	      var query = _typeof(this.query) === 'object' ? parseqs.encode(this.query) : this.query;
 	
 	      this.packet({ type: parser.CONNECT, query: query });
 	    } else {
 	      this.packet({ type: parser.CONNECT });
 	    }
 	  }
 	};
 	
 	/**
 	 * Called upon engine `close`.
 	 *
 	 * @param {String} reason
 	 * @api private
 	 */
 	
 	Socket.prototype.onclose = function (reason) {
 	
 	  this.connected = false;
 	  this.disconnected = true;
 	  delete this.id;
 	  this.emit('disconnect', reason);
 	};
 	
 	/**
 	 * Called with socket packet.
 	 *
 	 * @param {Object} packet
 	 * @api private
 	 */
 	
 	Socket.prototype.onpacket = function (packet) {
 	  var sameNamespace = packet.nsp === this.nsp;
 	  var rootNamespaceError = packet.type === parser.ERROR && packet.nsp === '/';
 	
 	  if (!sameNamespace && !rootNamespaceError) return;
 	
 	  switch (packet.type) {
 	    case parser.CONNECT:
 	      this.onconnect();
 	      break;
 	
 	    case parser.EVENT:
 	      this.onevent(packet);
 	      break;
 	
 	    case parser.BINARY_EVENT:
 	      this.onevent(packet);
 	      break;
 	
 	    case parser.ACK:
 	      this.onack(packet);
 	      break;
 	
 	    case parser.BINARY_ACK:
 	      this.onack(packet);
 	      break;
 	
 	    case parser.DISCONNECT:
 	      this.ondisconnect();
 	      break;
 	
 	    case parser.ERROR:
 	      this.emit('error', packet.data);
 	      break;
 	  }
 	};
 	
 	/**
 	 * Called upon a server event.
 	 *
 	 * @param {Object} packet
 	 * @api private
 	 */
 	
 	Socket.prototype.onevent = function (packet) {
 	  var args = packet.data || [];
 	
 	  if (null != packet.id) {
 	
 	    args.push(this.ack(packet.id));
 	  }
 	
 	  if (this.connected) {
 	    emit.apply(this, args);
 	  } else {
 	    this.receiveBuffer.push(args);
 	  }
 	};
 	
 	/**
 	 * Produces an ack callback to emit with an event.
 	 *
 	 * @api private
 	 */
 	
 	Socket.prototype.ack = function (id) {
 	  var self = this;
 	  var sent = false;
 	  return function () {
 	    // prevent double callbacks
 	    if (sent) return;
 	    sent = true;
 	    var args = toArray(arguments);
 	
 	    self.packet({
 	      type: hasBin(args) ? parser.BINARY_ACK : parser.ACK,
 	      id: id,
 	      data: args
 	    });
 	  };
 	};
 	
 	/**
 	 * Called upon a server acknowlegement.
 	 *
 	 * @param {Object} packet
 	 * @api private
 	 */
 	
 	Socket.prototype.onack = function (packet) {
 	  var ack = this.acks[packet.id];
 	  if ('function' === typeof ack) {
 	
 	    ack.apply(this, packet.data);
 	    delete this.acks[packet.id];
 	  } else {}
 	};
 	
 	/**
 	 * Called upon server connect.
 	 *
 	 * @api private
 	 */
 	
 	Socket.prototype.onconnect = function () {
 	  this.connected = true;
 	  this.disconnected = false;
 	  this.emit('connect');
 	  this.emitBuffered();
 	};
 	
 	/**
 	 * Emit buffered events (received and emitted).
 	 *
 	 * @api private
 	 */
 	
 	Socket.prototype.emitBuffered = function () {
 	  var i;
 	  for (i = 0; i < this.receiveBuffer.length; i++) {
 	    emit.apply(this, this.receiveBuffer[i]);
 	  }
 	  this.receiveBuffer = [];
 	
 	  for (i = 0; i < this.sendBuffer.length; i++) {
 	    this.packet(this.sendBuffer[i]);
 	  }
 	  this.sendBuffer = [];
 	};
 	
 	/**
 	 * Called upon server disconnect.
 	 *
 	 * @api private
 	 */
 	
 	Socket.prototype.ondisconnect = function () {
 	
 	  this.destroy();
 	  this.onclose('io server disconnect');
 	};
 	
 	/**
 	 * Called upon forced client/server side disconnections,
 	 * this method ensures the manager stops tracking us and
 	 * that reconnections don't get triggered for this.
 	 *
 	 * @api private.
 	 */
 	
 	Socket.prototype.destroy = function () {
 	  if (this.subs) {
 	    // clean subscriptions to avoid reconnections
 	    for (var i = 0; i < this.subs.length; i++) {
 	      this.subs[i].destroy();
 	    }
 	    this.subs = null;
 	  }
 	
 	  this.io.destroy(this);
 	};
 	
 	/**
 	 * Disconnects the socket manually.
 	 *
 	 * @return {Socket} self
 	 * @api public
 	 */
 	
 	Socket.prototype.close = Socket.prototype.disconnect = function () {
 	  if (this.connected) {
 	
 	    this.packet({ type: parser.DISCONNECT });
 	  }
 	
 	  // remove socket from pool
 	  this.destroy();
 	
 	  if (this.connected) {
 	    // fire events
 	    this.onclose('io client disconnect');
 	  }
 	  return this;
 	};
 	
 	/**
 	 * Sets the compress flag.
 	 *
 	 * @param {Boolean} if `true`, compresses the sending data
 	 * @return {Socket} self
 	 * @api public
 	 */
 	
 	Socket.prototype.compress = function (compress) {
 	  this.flags.compress = compress;
 	  return this;
 	};
 	
 	/**
 	 * Sets the binary flag
 	 *
 	 * @param {Boolean} whether the emitted data contains binary
 	 * @return {Socket} self
 	 * @api public
 	 */
 	
 	Socket.prototype.binary = function (binary) {
 	  this.flags.binary = binary;
 	  return this;
 	};
 
 /***/ }),
 /* 34 */
 /***/ (function(module, exports) {
 
 	module.exports = toArray
 	
 	function toArray(list, index) {
 	    var array = []
 	
 	    index = index || 0
 	
 	    for (var i = index || 0; i < list.length; i++) {
 	        array[i - index] = list[i]
 	    }
 	
 	    return array
 	}
 
 
 /***/ }),
 /* 35 */
 /***/ (function(module, exports) {
 
 	"use strict";
 	
 	/**
 	 * Module exports.
 	 */
 	
 	module.exports = on;
 	
 	/**
 	 * Helper for subscriptions.
 	 *
 	 * @param {Object|EventEmitter} obj with `Emitter` mixin or `EventEmitter`
 	 * @param {String} event name
 	 * @param {Function} callback
 	 * @api public
 	 */
 	
 	function on(obj, ev, fn) {
 	  obj.on(ev, fn);
 	  return {
 	    destroy: function destroy() {
 	      obj.removeListener(ev, fn);
 	    }
 	  };
 	}
 
 /***/ }),
 /* 36 */
 /***/ (function(module, exports) {
 
 	/**
 	 * Slice reference.
 	 */
 	
 	var slice = [].slice;
 	
 	/**
 	 * Bind `obj` to `fn`.
 	 *
 	 * @param {Object} obj
 	 * @param {Function|String} fn or string
 	 * @return {Function}
 	 * @api public
 	 */
 	
 	module.exports = function(obj, fn){
 	  if ('string' == typeof fn) fn = obj[fn];
 	  if ('function' != typeof fn) throw new Error('bind() requires a function');
 	  var args = slice.call(arguments, 2);
 	  return function(){
 	    return fn.apply(obj, args.concat(slice.call(arguments)));
 	  }
 	};
 
 
 /***/ }),
 /* 37 */
 /***/ (function(module, exports) {
 
 	
 	/**
 	 * Expose `Backoff`.
 	 */
 	
 	module.exports = Backoff;
 	
 	/**
 	 * Initialize backoff timer with `opts`.
 	 *
 	 * - `min` initial timeout in milliseconds [100]
 	 * - `max` max timeout [10000]
 	 * - `jitter` [0]
 	 * - `factor` [2]
 	 *
 	 * @param {Object} opts
 	 * @api public
 	 */
 	
 	function Backoff(opts) {
 	  opts = opts || {};
 	  this.ms = opts.min || 100;
 	  this.max = opts.max || 10000;
 	  this.factor = opts.factor || 2;
 	  this.jitter = opts.jitter > 0 && opts.jitter <= 1 ? opts.jitter : 0;
 	  this.attempts = 0;
 	}
 	
 	/**
 	 * Return the backoff duration.
 	 *
 	 * @return {Number}
 	 * @api public
 	 */
 	
 	Backoff.prototype.duration = function(){
 	  var ms = this.ms * Math.pow(this.factor, this.attempts++);
 	  if (this.jitter) {
 	    var rand =  Math.random();
 	    var deviation = Math.floor(rand * this.jitter * ms);
 	    ms = (Math.floor(rand * 10) & 1) == 0  ? ms - deviation : ms + deviation;
 	  }
 	  return Math.min(ms, this.max) | 0;
 	};
 	
 	/**
 	 * Reset the number of attempts.
 	 *
 	 * @api public
 	 */
 	
 	Backoff.prototype.reset = function(){
 	  this.attempts = 0;
 	};
 	
 	/**
 	 * Set the minimum duration
 	 *
 	 * @api public
 	 */
 	
 	Backoff.prototype.setMin = function(min){
 	  this.ms = min;
 	};
 	
 	/**
 	 * Set the maximum duration
 	 *
 	 * @api public
 	 */
 	
 	Backoff.prototype.setMax = function(max){
 	  this.max = max;
 	};
 	
 	/**
 	 * Set the jitter
 	 *
 	 * @api public
 	 */
 	
 	Backoff.prototype.setJitter = function(jitter){
 	  this.jitter = jitter;
 	};
 	
 
 
 /***/ })
 /******/ ])
 });
 ;
 //# sourceMappingURL=socket.io.slim.dev.js.map