Regulations_Front_Vue_Two/node_modules/socket.io-client/dist/socket.io.slim.dev.js

/*!
 * Socket.IO v2.5.0
 * (c) 2014-2021 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() {
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/******/ 	return __webpack_require__(0);
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/* 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__(34);

/***/ }),
/* 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;
	    }
	
	    uri.pathNames = pathNames(uri, uri['path']);
	    uri.queryKey = queryKey(uri, uri['query']);
	
	    return uri;
	};
	
	function pathNames(obj, path) {
	    var regx = /\/{2,9}/g,
	        names = path.replace(regx, "/").split("/");
	
	    if (path.substr(0, 1) == '/' || path.length === 0) {
	        names.splice(0, 1);
	    }
	    if (path.substr(path.length - 1, 1) == '/') {
	        names.splice(names.length - 1, 1);
	    }
	
	    return names;
	}
	
	function queryKey(uri, query) {
	    var data = {};
	
	    query.replace(/(?:^|&)([^&=]*)=?([^&]*)/g, function ($0, $1, $2) {
	        if ($1) {
	            data[$1] = $2;
	        }
	    });
	
	    return data;
	}


/***/ }),
/* 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;
	    }
	  }
	
	  // Remove event specific arrays for event types that no
	  // one is subscribed for to avoid memory leak.
	  if (callbacks.length === 0) {
	    delete this._callbacks['$' + event];
	  }
	
	  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 = new Array(arguments.length - 1)
	    , callbacks = this._callbacks['$' + event];
	
	  for (var i = 1; i < arguments.length; i++) {
	    args[i - 1] = arguments[i];
	  }
	
	  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__(34);
	var Emitter = __webpack_require__(5);
	var parser = __webpack_require__(4);
	var on = __webpack_require__(36);
	var bind = __webpack_require__(37);
	var debug = __webpack_require__(3)('socket.io-client:manager');
	var indexOf = __webpack_require__(33);
	var Backoff = __webpack_require__(38);
	
	/**
	 * 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;
	
	    if (timeout === 0) {
	      openSub.destroy(); // prevents a race condition with the 'open' event
	    }
	
	    // 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__(19);


/***/ }),
/* 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__(33);
	var parser = __webpack_require__(19);
	var parseuri = __webpack_require__(2);
	var parseqs = __webpack_require__(27);
	
	/**
	 * 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__(18);
	Socket.transports = __webpack_require__(12);
	Socket.parser = __webpack_require__(19);
	
	/**
	 * 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__(16);
	var JSONP = __webpack_require__(30);
	var websocket = __webpack_require__(31);
	
	/**
	 * 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);
	var globalThis = __webpack_require__(15);
	
	module.exports = function (opts) {
	  var xdomain = opts.xdomain;
	
	  // scheme must be same when usign XDomainRequest
	  // http://blogs.msdn.com/b/ieinternals/archive/2010/05/13/xdomainrequest-restrictions-limitations-and-workarounds.aspx
	  var xscheme = opts.xscheme;
	
	  // XDomainRequest has a flow of not sending cookie, therefore it should be disabled as a default.
	  // https://github.com/Automattic/engine.io-client/pull/217
	  var enablesXDR = opts.enablesXDR;
	
	  // XMLHttpRequest can be disabled on IE
	  try {
	    if ('undefined' !== typeof XMLHttpRequest && (!xdomain || hasCORS)) {
	      return new XMLHttpRequest();
	    }
	  } catch (e) { }
	
	  // Use XDomainRequest for IE8 if enablesXDR is true
	  // because loading bar keeps flashing when using jsonp-polling
	  // https://github.com/yujiosaka/socke.io-ie8-loading-example
	  try {
	    if ('undefined' !== typeof XDomainRequest && !xscheme && enablesXDR) {
	      return new XDomainRequest();
	    }
	  } catch (e) { }
	
	  if (!xdomain) {
	    try {
	      return new globalThis[['Active'].concat('Object').join('X')]('Microsoft.XMLHTTP');
	    } catch (e) { }
	  }
	};


/***/ }),
/* 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) {

	module.exports = (function () {
	  if (typeof self !== 'undefined') {
	    return self;
	  } else if (typeof window !== 'undefined') {
	    return window;
	  } else {
	    return Function('return this')(); // eslint-disable-line no-new-func
	  }
	})();


/***/ }),
/* 16 */
/***/ (function(module, exports, __webpack_require__) {

	/* global attachEvent */
	
	/**
	 * Module requirements.
	 */
	
	var XMLHttpRequest = __webpack_require__(13);
	var Polling = __webpack_require__(17);
	var Emitter = __webpack_require__(5);
	var inherit = __webpack_require__(28);
	var debug = __webpack_require__(3)('engine.io-client:polling-xhr');
	var globalThis = __webpack_require__(15);
	
	/**
	 * 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 globalThis ? 'pagehide' : 'unload';
	    addEventListener(terminationEvent, unloadHandler, false);
	  }
	}
	
	function unloadHandler () {
	  for (var i in Request.requests) {
	    if (Request.requests.hasOwnProperty(i)) {
	      Request.requests[i].abort();
	    }
	  }
	}


/***/ }),
/* 17 */
/***/ (function(module, exports, __webpack_require__) {

	/**
	 * Module dependencies.
	 */
	
	var Transport = __webpack_require__(18);
	var parseqs = __webpack_require__(27);
	var parser = __webpack_require__(19);
	var inherit = __webpack_require__(28);
	var yeast = __webpack_require__(29);
	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 && packet.type === 'open') {
	      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;
	};


/***/ }),
/* 18 */
/***/ (function(module, exports, __webpack_require__) {

	/**
	 * Module dependencies.
	 */
	
	var parser = __webpack_require__(19);
	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');
	};


/***/ }),
/* 19 */
/***/ (function(module, exports, __webpack_require__) {

	/**
	 * Module dependencies.
	 */
	
	var keys = __webpack_require__(20);
	var hasBinary = __webpack_require__(21);
	var sliceBuffer = __webpack_require__(22);
	var after = __webpack_require__(23);
	var utf8 = __webpack_require__(24);
	
	var base64encoder;
	if (typeof ArrayBuffer !== 'undefined') {
	  base64encoder = __webpack_require__(25);
	}
	
	/**
	 * 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__(26);
	
	/**
	 * 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);
	  });
	};


/***/ }),
/* 20 */
/***/ (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;
	};


/***/ }),
/* 21 */
/***/ (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;
	}


/***/ }),
/* 22 */
/***/ (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;
	};


/***/ }),
/* 23 */
/***/ (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() {}


/***/ }),
/* 24 */
/***/ (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
	};


/***/ }),
/* 25 */
/***/ (function(module, exports) {

	/*
	 * base64-arraybuffer
	 * https://github.com/niklasvh/base64-arraybuffer
	 *
	 * Copyright (c) 2012 Niklas von Hertzen
	 * Licensed under the MIT license.
	 */
	(function(chars){
	  "use strict";
	
	  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 = chars.indexOf(base64[i]);
	      encoded2 = chars.indexOf(base64[i+1]);
	      encoded3 = chars.indexOf(base64[i+2]);
	      encoded4 = chars.indexOf(base64[i+3]);
	
	      bytes[p++] = (encoded1 << 2) | (encoded2 >> 4);
	      bytes[p++] = ((encoded2 & 15) << 4) | (encoded3 >> 2);
	      bytes[p++] = ((encoded3 & 3) << 6) | (encoded4 & 63);
	    }
	
	    return arraybuffer;
	  };
	})("ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/");


/***/ }),
/* 26 */
/***/ (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;
	  }
	})();


/***/ }),
/* 27 */
/***/ (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;
	};


/***/ }),
/* 28 */
/***/ (function(module, exports) {

	
	module.exports = function(a, b){
	  var fn = function(){};
	  fn.prototype = b.prototype;
	  a.prototype = new fn;
	  a.prototype.constructor = a;
	};

/***/ }),
/* 29 */
/***/ (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;


/***/ }),
/* 30 */
/***/ (function(module, exports, __webpack_require__) {

	/**
	 * Module requirements.
	 */
	
	var Polling = __webpack_require__(17);
	var inherit = __webpack_require__(28);
	var globalThis = __webpack_require__(15);
	
	/**
	 * Module exports.
	 */
	
	module.exports = JSONPPolling;
	
	/**
	 * Cached regular expressions.
	 */
	
	var rNewline = /\n/g;
	var rEscapedNewline = /\\n/g;
	
	/**
	 * Global JSONP callbacks.
	 */
	
	var callbacks;
	
	/**
	 * Noop.
	 */
	
	function empty () { }
	
	/**
	 * JSONP Polling constructor.
	 *
	 * @param {Object} opts.
	 * @api public
	 */
	
	function JSONPPolling (opts) {
	  Polling.call(this, opts);
	
	  this.query = this.query || {};
	
	  // define global callbacks array if not present
	  // we do this here (lazily) to avoid unneeded global pollution
	  if (!callbacks) {
	    // we need to consider multiple engines in the same page
	    callbacks = globalThis.___eio = (globalThis.___eio || []);
	  }
	
	  // callback identifier
	  this.index = callbacks.length;
	
	  // add callback to jsonp global
	  var self = this;
	  callbacks.push(function (msg) {
	    self.onData(msg);
	  });
	
	  // append to query string
	  this.query.j = this.index;
	
	  // prevent spurious errors from being emitted when the window is unloaded
	  if (typeof addEventListener === 'function') {
	    addEventListener('beforeunload', function () {
	      if (self.script) self.script.onerror = empty;
	    }, false);
	  }
	}
	
	/**
	 * Inherits from Polling.
	 */
	
	inherit(JSONPPolling, Polling);
	
	/*
	 * JSONP only supports binary as base64 encoded strings
	 */
	
	JSONPPolling.prototype.supportsBinary = false;
	
	/**
	 * Closes the socket.
	 *
	 * @api private
	 */
	
	JSONPPolling.prototype.doClose = function () {
	  if (this.script) {
	    this.script.parentNode.removeChild(this.script);
	    this.script = null;
	  }
	
	  if (this.form) {
	    this.form.parentNode.removeChild(this.form);
	    this.form = null;
	    this.iframe = null;
	  }
	
	  Polling.prototype.doClose.call(this);
	};
	
	/**
	 * Starts a poll cycle.
	 *
	 * @api private
	 */
	
	JSONPPolling.prototype.doPoll = function () {
	  var self = this;
	  var script = document.createElement('script');
	
	  if (this.script) {
	    this.script.parentNode.removeChild(this.script);
	    this.script = null;
	  }
	
	  script.async = true;
	  script.src = this.uri();
	  script.onerror = function (e) {
	    self.onError('jsonp poll error', e);
	  };
	
	  var insertAt = document.getElementsByTagName('script')[0];
	  if (insertAt) {
	    insertAt.parentNode.insertBefore(script, insertAt);
	  } else {
	    (document.head || document.body).appendChild(script);
	  }
	  this.script = script;
	
	  var isUAgecko = 'undefined' !== typeof navigator && /gecko/i.test(navigator.userAgent);
	
	  if (isUAgecko) {
	    setTimeout(function () {
	      var iframe = document.createElement('iframe');
	      document.body.appendChild(iframe);
	      document.body.removeChild(iframe);
	    }, 100);
	  }
	};
	
	/**
	 * Writes with a hidden iframe.
	 *
	 * @param {String} data to send
	 * @param {Function} called upon flush.
	 * @api private
	 */
	
	JSONPPolling.prototype.doWrite = function (data, fn) {
	  var self = this;
	
	  if (!this.form) {
	    var form = document.createElement('form');
	    var area = document.createElement('textarea');
	    var id = this.iframeId = 'eio_iframe_' + this.index;
	    var iframe;
	
	    form.className = 'socketio';
	    form.style.position = 'absolute';
	    form.style.top = '-1000px';
	    form.style.left = '-1000px';
	    form.target = id;
	    form.method = 'POST';
	    form.setAttribute('accept-charset', 'utf-8');
	    area.name = 'd';
	    form.appendChild(area);
	    document.body.appendChild(form);
	
	    this.form = form;
	    this.area = area;
	  }
	
	  this.form.action = this.uri();
	
	  function complete () {
	    initIframe();
	    fn();
	  }
	
	  function initIframe () {
	    if (self.iframe) {
	      try {
	        self.form.removeChild(self.iframe);
	      } catch (e) {
	        self.onError('jsonp polling iframe removal error', e);
	      }
	    }
	
	    try {
	      // ie6 dynamic iframes with target="" support (thanks Chris Lambacher)
	      var html = '<iframe src="javascript:0" name="' + self.iframeId + '">';
	      iframe = document.createElement(html);
	    } catch (e) {
	      iframe = document.createElement('iframe');
	      iframe.name = self.iframeId;
	      iframe.src = 'javascript:0';
	    }
	
	    iframe.id = self.iframeId;
	
	    self.form.appendChild(iframe);
	    self.iframe = iframe;
	  }
	
	  initIframe();
	
	  // escape \n to prevent it from being converted into \r\n by some UAs
	  // double escaping is required for escaped new lines because unescaping of new lines can be done safely on server-side
	  data = data.replace(rEscapedNewline, '\\\n');
	  this.area.value = data.replace(rNewline, '\\n');
	
	  try {
	    this.form.submit();
	  } catch (e) {}
	
	  if (this.iframe.attachEvent) {
	    this.iframe.onreadystatechange = function () {
	      if (self.iframe.readyState === 'complete') {
	        complete();
	      }
	    };
	  } else {
	    this.iframe.onload = complete;
	  }
	};


/***/ }),
/* 31 */
/***/ (function(module, exports, __webpack_require__) {

	/**
	 * Module dependencies.
	 */
	
	var Transport = __webpack_require__(18);
	var parser = __webpack_require__(19);
	var parseqs = __webpack_require__(27);
	var inherit = __webpack_require__(28);
	var yeast = __webpack_require__(29);
	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__(32);
	  } 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 = {};
	
	  if (!this.isReactNative) {
	    opts.agent = this.agent;
	    opts.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);
	};


/***/ }),
/* 32 */
/***/ (function(module, exports) {

	/* (ignored) */

/***/ }),
/* 33 */
/***/ (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;
	};

/***/ }),
/* 34 */
/***/ (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__(35);
	var on = __webpack_require__(36);
	var bind = __webpack_require__(37);
	var debug = __webpack_require__(3)('socket.io-client:socket');
	var parseqs = __webpack_require__(27);
	var hasBin = __webpack_require__(21);
	
	/**
	 * 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();
	  if (!this.io.reconnecting) 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.emitBuffered();
	  this.emit('connect');
	};
	
	/**
	 * 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;
	};

/***/ }),
/* 35 */
/***/ (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
	}


/***/ }),
/* 36 */
/***/ (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);
	    }
	  };
	}

/***/ }),
/* 37 */
/***/ (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)));
	  }
	};


/***/ }),
/* 38 */
/***/ (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;
	};
	


/***/ })
/******/ ])
});
;
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