1(function webpackUniversalModuleDefinition(root, factory) {
   2	if(typeof exports === 'object' && typeof module === 'object')
   3		module.exports = factory();
   4	else if(typeof define === 'function' && define.amd)
   5		define([], factory);
   6	else if(typeof exports === 'object')
   7		exports["eio"] = factory();
   8	else
   9		root["eio"] = factory();
  10})(this, function() {
  11return /******/ (function(modules) { // webpackBootstrap
  12/******/ 	// The module cache
  13/******/ 	var installedModules = {};
  14
  15/******/ 	// The require function
  16/******/ 	function __webpack_require__(moduleId) {
  17
  18/******/ 		// Check if module is in cache
  19/******/ 		if(installedModules[moduleId])
  20/******/ 			return installedModules[moduleId].exports;
  21
  22/******/ 		// Create a new module (and put it into the cache)
  23/******/ 		var module = installedModules[moduleId] = {
  24/******/ 			exports: {},
  25/******/ 			id: moduleId,
  26/******/ 			loaded: false
  27/******/ 		};
  28
  29/******/ 		// Execute the module function
  30/******/ 		modules[moduleId].call(module.exports, module, module.exports, __webpack_require__);
  31
  32/******/ 		// Flag the module as loaded
  33/******/ 		module.loaded = true;
  34
  35/******/ 		// Return the exports of the module
  36/******/ 		return module.exports;
  37/******/ 	}
  38
  39
  40/******/ 	// expose the modules object (__webpack_modules__)
  41/******/ 	__webpack_require__.m = modules;
  42
  43/******/ 	// expose the module cache
  44/******/ 	__webpack_require__.c = installedModules;
  45
  46/******/ 	// __webpack_public_path__
  47/******/ 	__webpack_require__.p = "";
  48
  49/******/ 	// Load entry module and return exports
  50/******/ 	return __webpack_require__(0);
  51/******/ })
  52/************************************************************************/
  53/******/ ([
  54/* 0 */
  55/***/ function(module, exports, __webpack_require__) {
  56
  57	'use strict';
  58
  59	module.exports = __webpack_require__(1);
  60
  61/***/ },
  62/* 1 */
  63/***/ function(module, exports, __webpack_require__) {
  64
  65	'use strict';
  66
  67	module.exports = __webpack_require__(2);
  68
  69	/**
  70	 * Exports parser
  71	 *
  72	 * @api public
  73	 *
  74	 */
  75	module.exports.parser = __webpack_require__(9);
  76
  77/***/ },
  78/* 2 */
  79/***/ function(module, exports, __webpack_require__) {
  80
  81	/* WEBPACK VAR INJECTION */(function(global) {'use strict';
  82
  83	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; };
  84
  85	/**
  86	 * Module dependencies.
  87	 */
  88
  89	var transports = __webpack_require__(3);
  90	var Emitter = __webpack_require__(19);
  91	var debug = __webpack_require__(23)('engine.io-client:socket');
  92	var index = __webpack_require__(30);
  93	var parser = __webpack_require__(9);
  94	var parseuri = __webpack_require__(31);
  95	var parsejson = __webpack_require__(32);
  96	var parseqs = __webpack_require__(20);
  97
  98	/**
  99	 * Module exports.
 100	 */
 101
 102	module.exports = Socket;
 103
 104	/**
 105	 * Socket constructor.
 106	 *
 107	 * @param {String|Object} uri or options
 108	 * @param {Object} options
 109	 * @api public
 110	 */
 111
 112	function Socket(uri, opts) {
 113	  if (!(this instanceof Socket)) return new Socket(uri, opts);
 114
 115	  opts = opts || {};
 116
 117	  if (uri && 'object' === (typeof uri === 'undefined' ? 'undefined' : _typeof(uri))) {
 118	    opts = uri;
 119	    uri = null;
 120	  }
 121
 122	  if (uri) {
 123	    uri = parseuri(uri);
 124	    opts.hostname = uri.host;
 125	    opts.secure = uri.protocol === 'https' || uri.protocol === 'wss';
 126	    opts.port = uri.port;
 127	    if (uri.query) opts.query = uri.query;
 128	  } else if (opts.host) {
 129	    opts.hostname = parseuri(opts.host).host;
 130	  }
 131
 132	  this.secure = null != opts.secure ? opts.secure : global.location && 'https:' === location.protocol;
 133
 134	  if (opts.hostname && !opts.port) {
 135	    // if no port is specified manually, use the protocol default
 136	    opts.port = this.secure ? '443' : '80';
 137	  }
 138
 139	  this.agent = opts.agent || false;
 140	  this.hostname = opts.hostname || (global.location ? location.hostname : 'localhost');
 141	  this.port = opts.port || (global.location && location.port ? location.port : this.secure ? 443 : 80);
 142	  this.query = opts.query || {};
 143	  if ('string' === typeof this.query) this.query = parseqs.decode(this.query);
 144	  this.upgrade = false !== opts.upgrade;
 145	  this.path = (opts.path || '/engine.io').replace(/\/$/, '') + '/';
 146	  this.forceJSONP = !!opts.forceJSONP;
 147	  this.jsonp = false !== opts.jsonp;
 148	  this.forceBase64 = !!opts.forceBase64;
 149	  this.enablesXDR = !!opts.enablesXDR;
 150	  this.timestampParam = opts.timestampParam || 't';
 151	  this.timestampRequests = opts.timestampRequests;
 152	  this.transports = opts.transports || ['polling', 'websocket'];
 153	  this.readyState = '';
 154	  this.writeBuffer = [];
 155	  this.prevBufferLen = 0;
 156	  this.policyPort = opts.policyPort || 843;
 157	  this.rememberUpgrade = opts.rememberUpgrade || false;
 158	  this.binaryType = null;
 159	  this.onlyBinaryUpgrades = opts.onlyBinaryUpgrades;
 160	  this.perMessageDeflate = false !== opts.perMessageDeflate ? opts.perMessageDeflate || {} : false;
 161
 162	  if (true === this.perMessageDeflate) this.perMessageDeflate = {};
 163	  if (this.perMessageDeflate && null == this.perMessageDeflate.threshold) {
 164	    this.perMessageDeflate.threshold = 1024;
 165	  }
 166
 167	  // SSL options for Node.js client
 168	  this.pfx = opts.pfx || null;
 169	  this.key = opts.key || null;
 170	  this.passphrase = opts.passphrase || null;
 171	  this.cert = opts.cert || null;
 172	  this.ca = opts.ca || null;
 173	  this.ciphers = opts.ciphers || null;
 174	  this.rejectUnauthorized = opts.rejectUnauthorized === undefined ? null : opts.rejectUnauthorized;
 175	  this.forceNode = !!opts.forceNode;
 176
 177	  // other options for Node.js client
 178	  var freeGlobal = (typeof global === 'undefined' ? 'undefined' : _typeof(global)) === 'object' && global;
 179	  if (freeGlobal.global === freeGlobal) {
 180	    if (opts.extraHeaders && Object.keys(opts.extraHeaders).length > 0) {
 181	      this.extraHeaders = opts.extraHeaders;
 182	    }
 183
 184	    if (opts.localAddress) {
 185	      this.localAddress = opts.localAddress;
 186	    }
 187	  }
 188
 189	  // set on handshake
 190	  this.id = null;
 191	  this.upgrades = null;
 192	  this.pingInterval = null;
 193	  this.pingTimeout = null;
 194
 195	  // set on heartbeat
 196	  this.pingIntervalTimer = null;
 197	  this.pingTimeoutTimer = null;
 198
 199	  this.open();
 200	}
 201
 202	Socket.priorWebsocketSuccess = false;
 203
 204	/**
 205	 * Mix in `Emitter`.
 206	 */
 207
 208	Emitter(Socket.prototype);
 209
 210	/**
 211	 * Protocol version.
 212	 *
 213	 * @api public
 214	 */
 215
 216	Socket.protocol = parser.protocol; // this is an int
 217
 218	/**
 219	 * Expose deps for legacy compatibility
 220	 * and standalone browser access.
 221	 */
 222
 223	Socket.Socket = Socket;
 224	Socket.Transport = __webpack_require__(8);
 225	Socket.transports = __webpack_require__(3);
 226	Socket.parser = __webpack_require__(9);
 227
 228	/**
 229	 * Creates transport of the given type.
 230	 *
 231	 * @param {String} transport name
 232	 * @return {Transport}
 233	 * @api private
 234	 */
 235
 236	Socket.prototype.createTransport = function (name) {
 237	  debug('creating transport "%s"', name);
 238	  var query = clone(this.query);
 239
 240	  // append engine.io protocol identifier
 241	  query.EIO = parser.protocol;
 242
 243	  // transport name
 244	  query.transport = name;
 245
 246	  // session id if we already have one
 247	  if (this.id) query.sid = this.id;
 248
 249	  var transport = new transports[name]({
 250	    agent: this.agent,
 251	    hostname: this.hostname,
 252	    port: this.port,
 253	    secure: this.secure,
 254	    path: this.path,
 255	    query: query,
 256	    forceJSONP: this.forceJSONP,
 257	    jsonp: this.jsonp,
 258	    forceBase64: this.forceBase64,
 259	    enablesXDR: this.enablesXDR,
 260	    timestampRequests: this.timestampRequests,
 261	    timestampParam: this.timestampParam,
 262	    policyPort: this.policyPort,
 263	    socket: this,
 264	    pfx: this.pfx,
 265	    key: this.key,
 266	    passphrase: this.passphrase,
 267	    cert: this.cert,
 268	    ca: this.ca,
 269	    ciphers: this.ciphers,
 270	    rejectUnauthorized: this.rejectUnauthorized,
 271	    perMessageDeflate: this.perMessageDeflate,
 272	    extraHeaders: this.extraHeaders,
 273	    forceNode: this.forceNode,
 274	    localAddress: this.localAddress
 275	  });
 276
 277	  return transport;
 278	};
 279
 280	function clone(obj) {
 281	  var o = {};
 282	  for (var i in obj) {
 283	    if (obj.hasOwnProperty(i)) {
 284	      o[i] = obj[i];
 285	    }
 286	  }
 287	  return o;
 288	}
 289
 290	/**
 291	 * Initializes transport to use and starts probe.
 292	 *
 293	 * @api private
 294	 */
 295	Socket.prototype.open = function () {
 296	  var transport;
 297	  if (this.rememberUpgrade && Socket.priorWebsocketSuccess && this.transports.indexOf('websocket') !== -1) {
 298	    transport = 'websocket';
 299	  } else if (0 === this.transports.length) {
 300	    // Emit error on next tick so it can be listened to
 301	    var self = this;
 302	    setTimeout(function () {
 303	      self.emit('error', 'No transports available');
 304	    }, 0);
 305	    return;
 306	  } else {
 307	    transport = this.transports[0];
 308	  }
 309	  this.readyState = 'opening';
 310
 311	  // Retry with the next transport if the transport is disabled (jsonp: false)
 312	  try {
 313	    transport = this.createTransport(transport);
 314	  } catch (e) {
 315	    this.transports.shift();
 316	    this.open();
 317	    return;
 318	  }
 319
 320	  transport.open();
 321	  this.setTransport(transport);
 322	};
 323
 324	/**
 325	 * Sets the current transport. Disables the existing one (if any).
 326	 *
 327	 * @api private
 328	 */
 329
 330	Socket.prototype.setTransport = function (transport) {
 331	  debug('setting transport %s', transport.name);
 332	  var self = this;
 333
 334	  if (this.transport) {
 335	    debug('clearing existing transport %s', this.transport.name);
 336	    this.transport.removeAllListeners();
 337	  }
 338
 339	  // set up transport
 340	  this.transport = transport;
 341
 342	  // set up transport listeners
 343	  transport.on('drain', function () {
 344	    self.onDrain();
 345	  }).on('packet', function (packet) {
 346	    self.onPacket(packet);
 347	  }).on('error', function (e) {
 348	    self.onError(e);
 349	  }).on('close', function () {
 350	    self.onClose('transport close');
 351	  });
 352	};
 353
 354	/**
 355	 * Probes a transport.
 356	 *
 357	 * @param {String} transport name
 358	 * @api private
 359	 */
 360
 361	Socket.prototype.probe = function (name) {
 362	  debug('probing transport "%s"', name);
 363	  var transport = this.createTransport(name, { probe: 1 });
 364	  var failed = false;
 365	  var self = this;
 366
 367	  Socket.priorWebsocketSuccess = false;
 368
 369	  function onTransportOpen() {
 370	    if (self.onlyBinaryUpgrades) {
 371	      var upgradeLosesBinary = !this.supportsBinary && self.transport.supportsBinary;
 372	      failed = failed || upgradeLosesBinary;
 373	    }
 374	    if (failed) return;
 375
 376	    debug('probe transport "%s" opened', name);
 377	    transport.send([{ type: 'ping', data: 'probe' }]);
 378	    transport.once('packet', function (msg) {
 379	      if (failed) return;
 380	      if ('pong' === msg.type && 'probe' === msg.data) {
 381	        debug('probe transport "%s" pong', name);
 382	        self.upgrading = true;
 383	        self.emit('upgrading', transport);
 384	        if (!transport) return;
 385	        Socket.priorWebsocketSuccess = 'websocket' === transport.name;
 386
 387	        debug('pausing current transport "%s"', self.transport.name);
 388	        self.transport.pause(function () {
 389	          if (failed) return;
 390	          if ('closed' === self.readyState) return;
 391	          debug('changing transport and sending upgrade packet');
 392
 393	          cleanup();
 394
 395	          self.setTransport(transport);
 396	          transport.send([{ type: 'upgrade' }]);
 397	          self.emit('upgrade', transport);
 398	          transport = null;
 399	          self.upgrading = false;
 400	          self.flush();
 401	        });
 402	      } else {
 403	        debug('probe transport "%s" failed', name);
 404	        var err = new Error('probe error');
 405	        err.transport = transport.name;
 406	        self.emit('upgradeError', err);
 407	      }
 408	    });
 409	  }
 410
 411	  function freezeTransport() {
 412	    if (failed) return;
 413
 414	    // Any callback called by transport should be ignored since now
 415	    failed = true;
 416
 417	    cleanup();
 418
 419	    transport.close();
 420	    transport = null;
 421	  }
 422
 423	  // Handle any error that happens while probing
 424	  function onerror(err) {
 425	    var error = new Error('probe error: ' + err);
 426	    error.transport = transport.name;
 427
 428	    freezeTransport();
 429
 430	    debug('probe transport "%s" failed because of error: %s', name, err);
 431
 432	    self.emit('upgradeError', error);
 433	  }
 434
 435	  function onTransportClose() {
 436	    onerror('transport closed');
 437	  }
 438
 439	  // When the socket is closed while we're probing
 440	  function onclose() {
 441	    onerror('socket closed');
 442	  }
 443
 444	  // When the socket is upgraded while we're probing
 445	  function onupgrade(to) {
 446	    if (transport && to.name !== transport.name) {
 447	      debug('"%s" works - aborting "%s"', to.name, transport.name);
 448	      freezeTransport();
 449	    }
 450	  }
 451
 452	  // Remove all listeners on the transport and on self
 453	  function cleanup() {
 454	    transport.removeListener('open', onTransportOpen);
 455	    transport.removeListener('error', onerror);
 456	    transport.removeListener('close', onTransportClose);
 457	    self.removeListener('close', onclose);
 458	    self.removeListener('upgrading', onupgrade);
 459	  }
 460
 461	  transport.once('open', onTransportOpen);
 462	  transport.once('error', onerror);
 463	  transport.once('close', onTransportClose);
 464
 465	  this.once('close', onclose);
 466	  this.once('upgrading', onupgrade);
 467
 468	  transport.open();
 469	};
 470
 471	/**
 472	 * Called when connection is deemed open.
 473	 *
 474	 * @api public
 475	 */
 476
 477	Socket.prototype.onOpen = function () {
 478	  debug('socket open');
 479	  this.readyState = 'open';
 480	  Socket.priorWebsocketSuccess = 'websocket' === this.transport.name;
 481	  this.emit('open');
 482	  this.flush();
 483
 484	  // we check for `readyState` in case an `open`
 485	  // listener already closed the socket
 486	  if ('open' === this.readyState && this.upgrade && this.transport.pause) {
 487	    debug('starting upgrade probes');
 488	    for (var i = 0, l = this.upgrades.length; i < l; i++) {
 489	      this.probe(this.upgrades[i]);
 490	    }
 491	  }
 492	};
 493
 494	/**
 495	 * Handles a packet.
 496	 *
 497	 * @api private
 498	 */
 499
 500	Socket.prototype.onPacket = function (packet) {
 501	  if ('opening' === this.readyState || 'open' === this.readyState || 'closing' === this.readyState) {
 502	    debug('socket receive: type "%s", data "%s"', packet.type, packet.data);
 503
 504	    this.emit('packet', packet);
 505
 506	    // Socket is live - any packet counts
 507	    this.emit('heartbeat');
 508
 509	    switch (packet.type) {
 510	      case 'open':
 511	        this.onHandshake(parsejson(packet.data));
 512	        break;
 513
 514	      case 'pong':
 515	        this.setPing();
 516	        this.emit('pong');
 517	        break;
 518
 519	      case 'error':
 520	        var err = new Error('server error');
 521	        err.code = packet.data;
 522	        this.onError(err);
 523	        break;
 524
 525	      case 'message':
 526	        this.emit('data', packet.data);
 527	        this.emit('message', packet.data);
 528	        break;
 529	    }
 530	  } else {
 531	    debug('packet received with socket readyState "%s"', this.readyState);
 532	  }
 533	};
 534
 535	/**
 536	 * Called upon handshake completion.
 537	 *
 538	 * @param {Object} handshake obj
 539	 * @api private
 540	 */
 541
 542	Socket.prototype.onHandshake = function (data) {
 543	  this.emit('handshake', data);
 544	  this.id = data.sid;
 545	  this.transport.query.sid = data.sid;
 546	  this.upgrades = this.filterUpgrades(data.upgrades);
 547	  this.pingInterval = data.pingInterval;
 548	  this.pingTimeout = data.pingTimeout;
 549	  this.onOpen();
 550	  // In case open handler closes socket
 551	  if ('closed' === this.readyState) return;
 552	  this.setPing();
 553
 554	  // Prolong liveness of socket on heartbeat
 555	  this.removeListener('heartbeat', this.onHeartbeat);
 556	  this.on('heartbeat', this.onHeartbeat);
 557	};
 558
 559	/**
 560	 * Resets ping timeout.
 561	 *
 562	 * @api private
 563	 */
 564
 565	Socket.prototype.onHeartbeat = function (timeout) {
 566	  clearTimeout(this.pingTimeoutTimer);
 567	  var self = this;
 568	  self.pingTimeoutTimer = setTimeout(function () {
 569	    if ('closed' === self.readyState) return;
 570	    self.onClose('ping timeout');
 571	  }, timeout || self.pingInterval + self.pingTimeout);
 572	};
 573
 574	/**
 575	 * Pings server every `this.pingInterval` and expects response
 576	 * within `this.pingTimeout` or closes connection.
 577	 *
 578	 * @api private
 579	 */
 580
 581	Socket.prototype.setPing = function () {
 582	  var self = this;
 583	  clearTimeout(self.pingIntervalTimer);
 584	  self.pingIntervalTimer = setTimeout(function () {
 585	    debug('writing ping packet - expecting pong within %sms', self.pingTimeout);
 586	    self.ping();
 587	    self.onHeartbeat(self.pingTimeout);
 588	  }, self.pingInterval);
 589	};
 590
 591	/**
 592	* Sends a ping packet.
 593	*
 594	* @api private
 595	*/
 596
 597	Socket.prototype.ping = function () {
 598	  var self = this;
 599	  this.sendPacket('ping', function () {
 600	    self.emit('ping');
 601	  });
 602	};
 603
 604	/**
 605	 * Called on `drain` event
 606	 *
 607	 * @api private
 608	 */
 609
 610	Socket.prototype.onDrain = function () {
 611	  this.writeBuffer.splice(0, this.prevBufferLen);
 612
 613	  // setting prevBufferLen = 0 is very important
 614	  // for example, when upgrading, upgrade packet is sent over,
 615	  // and a nonzero prevBufferLen could cause problems on `drain`
 616	  this.prevBufferLen = 0;
 617
 618	  if (0 === this.writeBuffer.length) {
 619	    this.emit('drain');
 620	  } else {
 621	    this.flush();
 622	  }
 623	};
 624
 625	/**
 626	 * Flush write buffers.
 627	 *
 628	 * @api private
 629	 */
 630
 631	Socket.prototype.flush = function () {
 632	  if ('closed' !== this.readyState && this.transport.writable && !this.upgrading && this.writeBuffer.length) {
 633	    debug('flushing %d packets in socket', this.writeBuffer.length);
 634	    this.transport.send(this.writeBuffer);
 635	    // keep track of current length of writeBuffer
 636	    // splice writeBuffer and callbackBuffer on `drain`
 637	    this.prevBufferLen = this.writeBuffer.length;
 638	    this.emit('flush');
 639	  }
 640	};
 641
 642	/**
 643	 * Sends a message.
 644	 *
 645	 * @param {String} message.
 646	 * @param {Function} callback function.
 647	 * @param {Object} options.
 648	 * @return {Socket} for chaining.
 649	 * @api public
 650	 */
 651
 652	Socket.prototype.write = Socket.prototype.send = function (msg, options, fn) {
 653	  this.sendPacket('message', msg, options, fn);
 654	  return this;
 655	};
 656
 657	/**
 658	 * Sends a packet.
 659	 *
 660	 * @param {String} packet type.
 661	 * @param {String} data.
 662	 * @param {Object} options.
 663	 * @param {Function} callback function.
 664	 * @api private
 665	 */
 666
 667	Socket.prototype.sendPacket = function (type, data, options, fn) {
 668	  if ('function' === typeof data) {
 669	    fn = data;
 670	    data = undefined;
 671	  }
 672
 673	  if ('function' === typeof options) {
 674	    fn = options;
 675	    options = null;
 676	  }
 677
 678	  if ('closing' === this.readyState || 'closed' === this.readyState) {
 679	    return;
 680	  }
 681
 682	  options = options || {};
 683	  options.compress = false !== options.compress;
 684
 685	  var packet = {
 686	    type: type,
 687	    data: data,
 688	    options: options
 689	  };
 690	  this.emit('packetCreate', packet);
 691	  this.writeBuffer.push(packet);
 692	  if (fn) this.once('flush', fn);
 693	  this.flush();
 694	};
 695
 696	/**
 697	 * Closes the connection.
 698	 *
 699	 * @api private
 700	 */
 701
 702	Socket.prototype.close = function () {
 703	  if ('opening' === this.readyState || 'open' === this.readyState) {
 704	    this.readyState = 'closing';
 705
 706	    var self = this;
 707
 708	    if (this.writeBuffer.length) {
 709	      this.once('drain', function () {
 710	        if (this.upgrading) {
 711	          waitForUpgrade();
 712	        } else {
 713	          close();
 714	        }
 715	      });
 716	    } else if (this.upgrading) {
 717	      waitForUpgrade();
 718	    } else {
 719	      close();
 720	    }
 721	  }
 722
 723	  function close() {
 724	    self.onClose('forced close');
 725	    debug('socket closing - telling transport to close');
 726	    self.transport.close();
 727	  }
 728
 729	  function cleanupAndClose() {
 730	    self.removeListener('upgrade', cleanupAndClose);
 731	    self.removeListener('upgradeError', cleanupAndClose);
 732	    close();
 733	  }
 734
 735	  function waitForUpgrade() {
 736	    // wait for upgrade to finish since we can't send packets while pausing a transport
 737	    self.once('upgrade', cleanupAndClose);
 738	    self.once('upgradeError', cleanupAndClose);
 739	  }
 740
 741	  return this;
 742	};
 743
 744	/**
 745	 * Called upon transport error
 746	 *
 747	 * @api private
 748	 */
 749
 750	Socket.prototype.onError = function (err) {
 751	  debug('socket error %j', err);
 752	  Socket.priorWebsocketSuccess = false;
 753	  this.emit('error', err);
 754	  this.onClose('transport error', err);
 755	};
 756
 757	/**
 758	 * Called upon transport close.
 759	 *
 760	 * @api private
 761	 */
 762
 763	Socket.prototype.onClose = function (reason, desc) {
 764	  if ('opening' === this.readyState || 'open' === this.readyState || 'closing' === this.readyState) {
 765	    debug('socket close with reason: "%s"', reason);
 766	    var self = this;
 767
 768	    // clear timers
 769	    clearTimeout(this.pingIntervalTimer);
 770	    clearTimeout(this.pingTimeoutTimer);
 771
 772	    // stop event from firing again for transport
 773	    this.transport.removeAllListeners('close');
 774
 775	    // ensure transport won't stay open
 776	    this.transport.close();
 777
 778	    // ignore further transport communication
 779	    this.transport.removeAllListeners();
 780
 781	    // set ready state
 782	    this.readyState = 'closed';
 783
 784	    // clear session id
 785	    this.id = null;
 786
 787	    // emit close event
 788	    this.emit('close', reason, desc);
 789
 790	    // clean buffers after, so users can still
 791	    // grab the buffers on `close` event
 792	    self.writeBuffer = [];
 793	    self.prevBufferLen = 0;
 794	  }
 795	};
 796
 797	/**
 798	 * Filters upgrades, returning only those matching client transports.
 799	 *
 800	 * @param {Array} server upgrades
 801	 * @api private
 802	 *
 803	 */
 804
 805	Socket.prototype.filterUpgrades = function (upgrades) {
 806	  var filteredUpgrades = [];
 807	  for (var i = 0, j = upgrades.length; i < j; i++) {
 808	    if (~index(this.transports, upgrades[i])) filteredUpgrades.push(upgrades[i]);
 809	  }
 810	  return filteredUpgrades;
 811	};
 812	/* WEBPACK VAR INJECTION */}.call(exports, (function() { return this; }())))
 813
 814/***/ },
 815/* 3 */
 816/***/ function(module, exports, __webpack_require__) {
 817
 818	/* WEBPACK VAR INJECTION */(function(global) {'use strict';
 819
 820	/**
 821	 * Module dependencies
 822	 */
 823
 824	var XMLHttpRequest = __webpack_require__(4);
 825	var XHR = __webpack_require__(6);
 826	var JSONP = __webpack_require__(27);
 827	var websocket = __webpack_require__(28);
 828
 829	/**
 830	 * Export transports.
 831	 */
 832
 833	exports.polling = polling;
 834	exports.websocket = websocket;
 835
 836	/**
 837	 * Polling transport polymorphic constructor.
 838	 * Decides on xhr vs jsonp based on feature detection.
 839	 *
 840	 * @api private
 841	 */
 842
 843	function polling(opts) {
 844	  var xhr;
 845	  var xd = false;
 846	  var xs = false;
 847	  var jsonp = false !== opts.jsonp;
 848
 849	  if (global.location) {
 850	    var isSSL = 'https:' === location.protocol;
 851	    var port = location.port;
 852
 853	    // some user agents have empty `location.port`
 854	    if (!port) {
 855	      port = isSSL ? 443 : 80;
 856	    }
 857
 858	    xd = opts.hostname !== location.hostname || port !== opts.port;
 859	    xs = opts.secure !== isSSL;
 860	  }
 861
 862	  opts.xdomain = xd;
 863	  opts.xscheme = xs;
 864	  xhr = new XMLHttpRequest(opts);
 865
 866	  if ('open' in xhr && !opts.forceJSONP) {
 867	    return new XHR(opts);
 868	  } else {
 869	    if (!jsonp) throw new Error('JSONP disabled');
 870	    return new JSONP(opts);
 871	  }
 872	}
 873	/* WEBPACK VAR INJECTION */}.call(exports, (function() { return this; }())))
 874
 875/***/ },
 876/* 4 */
 877/***/ function(module, exports, __webpack_require__) {
 878
 879	/* WEBPACK VAR INJECTION */(function(global) {'use strict';
 880
 881	// browser shim for xmlhttprequest module
 882
 883	var hasCORS = __webpack_require__(5);
 884
 885	module.exports = function (opts) {
 886	  var xdomain = opts.xdomain;
 887
 888	  // scheme must be same when usign XDomainRequest
 889	  // http://blogs.msdn.com/b/ieinternals/archive/2010/05/13/xdomainrequest-restrictions-limitations-and-workarounds.aspx
 890	  var xscheme = opts.xscheme;
 891
 892	  // XDomainRequest has a flow of not sending cookie, therefore it should be disabled as a default.
 893	  // https://github.com/Automattic/engine.io-client/pull/217
 894	  var enablesXDR = opts.enablesXDR;
 895
 896	  // XMLHttpRequest can be disabled on IE
 897	  try {
 898	    if ('undefined' !== typeof XMLHttpRequest && (!xdomain || hasCORS)) {
 899	      return new XMLHttpRequest();
 900	    }
 901	  } catch (e) {}
 902
 903	  // Use XDomainRequest for IE8 if enablesXDR is true
 904	  // because loading bar keeps flashing when using jsonp-polling
 905	  // https://github.com/yujiosaka/socke.io-ie8-loading-example
 906	  try {
 907	    if ('undefined' !== typeof XDomainRequest && !xscheme && enablesXDR) {
 908	      return new XDomainRequest();
 909	    }
 910	  } catch (e) {}
 911
 912	  if (!xdomain) {
 913	    try {
 914	      return new global[['Active'].concat('Object').join('X')]('Microsoft.XMLHTTP');
 915	    } catch (e) {}
 916	  }
 917	};
 918	/* WEBPACK VAR INJECTION */}.call(exports, (function() { return this; }())))
 919
 920/***/ },
 921/* 5 */
 922/***/ function(module, exports) {
 923
 924	
 925	/**
 926	 * Module exports.
 927	 *
 928	 * Logic borrowed from Modernizr:
 929	 *
 930	 *   - https://github.com/Modernizr/Modernizr/blob/master/feature-detects/cors.js
 931	 */
 932
 933	try {
 934	  module.exports = typeof XMLHttpRequest !== 'undefined' &&
 935	    'withCredentials' in new XMLHttpRequest();
 936	} catch (err) {
 937	  // if XMLHttp support is disabled in IE then it will throw
 938	  // when trying to create
 939	  module.exports = false;
 940	}
 941
 942
 943/***/ },
 944/* 6 */
 945/***/ function(module, exports, __webpack_require__) {
 946
 947	/* WEBPACK VAR INJECTION */(function(global) {'use strict';
 948
 949	/**
 950	 * Module requirements.
 951	 */
 952
 953	var XMLHttpRequest = __webpack_require__(4);
 954	var Polling = __webpack_require__(7);
 955	var Emitter = __webpack_require__(19);
 956	var inherit = __webpack_require__(21);
 957	var debug = __webpack_require__(23)('engine.io-client:polling-xhr');
 958
 959	/**
 960	 * Module exports.
 961	 */
 962
 963	module.exports = XHR;
 964	module.exports.Request = Request;
 965
 966	/**
 967	 * Empty function
 968	 */
 969
 970	function empty() {}
 971
 972	/**
 973	 * XHR Polling constructor.
 974	 *
 975	 * @param {Object} opts
 976	 * @api public
 977	 */
 978
 979	function XHR(opts) {
 980	  Polling.call(this, opts);
 981	  this.requestTimeout = opts.requestTimeout;
 982
 983	  if (global.location) {
 984	    var isSSL = 'https:' === location.protocol;
 985	    var port = location.port;
 986
 987	    // some user agents have empty `location.port`
 988	    if (!port) {
 989	      port = isSSL ? 443 : 80;
 990	    }
 991
 992	    this.xd = opts.hostname !== global.location.hostname || port !== opts.port;
 993	    this.xs = opts.secure !== isSSL;
 994	  } else {
 995	    this.extraHeaders = opts.extraHeaders;
 996	  }
 997	}
 998
 999	/**
1000	 * Inherits from Polling.
1001	 */
1002
1003	inherit(XHR, Polling);
1004
1005	/**
1006	 * XHR supports binary
1007	 */
1008
1009	XHR.prototype.supportsBinary = true;
1010
1011	/**
1012	 * Creates a request.
1013	 *
1014	 * @param {String} method
1015	 * @api private
1016	 */
1017
1018	XHR.prototype.request = function (opts) {
1019	  opts = opts || {};
1020	  opts.uri = this.uri();
1021	  opts.xd = this.xd;
1022	  opts.xs = this.xs;
1023	  opts.agent = this.agent || false;
1024	  opts.supportsBinary = this.supportsBinary;
1025	  opts.enablesXDR = this.enablesXDR;
1026
1027	  // SSL options for Node.js client
1028	  opts.pfx = this.pfx;
1029	  opts.key = this.key;
1030	  opts.passphrase = this.passphrase;
1031	  opts.cert = this.cert;
1032	  opts.ca = this.ca;
1033	  opts.ciphers = this.ciphers;
1034	  opts.rejectUnauthorized = this.rejectUnauthorized;
1035	  opts.requestTimeout = this.requestTimeout;
1036
1037	  // other options for Node.js client
1038	  opts.extraHeaders = this.extraHeaders;
1039
1040	  return new Request(opts);
1041	};
1042
1043	/**
1044	 * Sends data.
1045	 *
1046	 * @param {String} data to send.
1047	 * @param {Function} called upon flush.
1048	 * @api private
1049	 */
1050
1051	XHR.prototype.doWrite = function (data, fn) {
1052	  var isBinary = typeof data !== 'string' && data !== undefined;
1053	  var req = this.request({ method: 'POST', data: data, isBinary: isBinary });
1054	  var self = this;
1055	  req.on('success', fn);
1056	  req.on('error', function (err) {
1057	    self.onError('xhr post error', err);
1058	  });
1059	  this.sendXhr = req;
1060	};
1061
1062	/**
1063	 * Starts a poll cycle.
1064	 *
1065	 * @api private
1066	 */
1067
1068	XHR.prototype.doPoll = function () {
1069	  debug('xhr poll');
1070	  var req = this.request();
1071	  var self = this;
1072	  req.on('data', function (data) {
1073	    self.onData(data);
1074	  });
1075	  req.on('error', function (err) {
1076	    self.onError('xhr poll error', err);
1077	  });
1078	  this.pollXhr = req;
1079	};
1080
1081	/**
1082	 * Request constructor
1083	 *
1084	 * @param {Object} options
1085	 * @api public
1086	 */
1087
1088	function Request(opts) {
1089	  this.method = opts.method || 'GET';
1090	  this.uri = opts.uri;
1091	  this.xd = !!opts.xd;
1092	  this.xs = !!opts.xs;
1093	  this.async = false !== opts.async;
1094	  this.data = undefined !== opts.data ? opts.data : null;
1095	  this.agent = opts.agent;
1096	  this.isBinary = opts.isBinary;
1097	  this.supportsBinary = opts.supportsBinary;
1098	  this.enablesXDR = opts.enablesXDR;
1099	  this.requestTimeout = opts.requestTimeout;
1100
1101	  // SSL options for Node.js client
1102	  this.pfx = opts.pfx;
1103	  this.key = opts.key;
1104	  this.passphrase = opts.passphrase;
1105	  this.cert = opts.cert;
1106	  this.ca = opts.ca;
1107	  this.ciphers = opts.ciphers;
1108	  this.rejectUnauthorized = opts.rejectUnauthorized;
1109
1110	  // other options for Node.js client
1111	  this.extraHeaders = opts.extraHeaders;
1112
1113	  this.create();
1114	}
1115
1116	/**
1117	 * Mix in `Emitter`.
1118	 */
1119
1120	Emitter(Request.prototype);
1121
1122	/**
1123	 * Creates the XHR object and sends the request.
1124	 *
1125	 * @api private
1126	 */
1127
1128	Request.prototype.create = function () {
1129	  var opts = { agent: this.agent, xdomain: this.xd, xscheme: this.xs, enablesXDR: this.enablesXDR };
1130
1131	  // SSL options for Node.js client
1132	  opts.pfx = this.pfx;
1133	  opts.key = this.key;
1134	  opts.passphrase = this.passphrase;
1135	  opts.cert = this.cert;
1136	  opts.ca = this.ca;
1137	  opts.ciphers = this.ciphers;
1138	  opts.rejectUnauthorized = this.rejectUnauthorized;
1139
1140	  var xhr = this.xhr = new XMLHttpRequest(opts);
1141	  var self = this;
1142
1143	  try {
1144	    debug('xhr open %s: %s', this.method, this.uri);
1145	    xhr.open(this.method, this.uri, this.async);
1146	    try {
1147	      if (this.extraHeaders) {
1148	        xhr.setDisableHeaderCheck(true);
1149	        for (var i in this.extraHeaders) {
1150	          if (this.extraHeaders.hasOwnProperty(i)) {
1151	            xhr.setRequestHeader(i, this.extraHeaders[i]);
1152	          }
1153	        }
1154	      }
1155	    } catch (e) {}
1156	    if (this.supportsBinary) {
1157	      // This has to be done after open because Firefox is stupid
1158	      // http://stackoverflow.com/questions/13216903/get-binary-data-with-xmlhttprequest-in-a-firefox-extension
1159	      xhr.responseType = 'arraybuffer';
1160	    }
1161
1162	    if ('POST' === this.method) {
1163	      try {
1164	        if (this.isBinary) {
1165	          xhr.setRequestHeader('Content-type', 'application/octet-stream');
1166	        } else {
1167	          xhr.setRequestHeader('Content-type', 'text/plain;charset=UTF-8');
1168	        }
1169	      } catch (e) {}
1170	    }
1171
1172	    try {
1173	      xhr.setRequestHeader('Accept', '*/*');
1174	    } catch (e) {}
1175
1176	    // ie6 check
1177	    if ('withCredentials' in xhr) {
1178	      xhr.withCredentials = true;
1179	    }
1180
1181	    if (this.requestTimeout) {
1182	      xhr.timeout = this.requestTimeout;
1183	    }
1184
1185	    if (this.hasXDR()) {
1186	      xhr.onload = function () {
1187	        self.onLoad();
1188	      };
1189	      xhr.onerror = function () {
1190	        self.onError(xhr.responseText);
1191	      };
1192	    } else {
1193	      xhr.onreadystatechange = function () {
1194	        if (4 !== xhr.readyState) return;
1195	        if (200 === xhr.status || 1223 === xhr.status) {
1196	          self.onLoad();
1197	        } else {
1198	          // make sure the `error` event handler that's user-set
1199	          // does not throw in the same tick and gets caught here
1200	          setTimeout(function () {
1201	            self.onError(xhr.status);
1202	          }, 0);
1203	        }
1204	      };
1205	    }
1206
1207	    debug('xhr data %s', this.data);
1208	    xhr.send(this.data);
1209	  } catch (e) {
1210	    // Need to defer since .create() is called directly fhrom the constructor
1211	    // and thus the 'error' event can only be only bound *after* this exception
1212	    // occurs.  Therefore, also, we cannot throw here at all.
1213	    setTimeout(function () {
1214	      self.onError(e);
1215	    }, 0);
1216	    return;
1217	  }
1218
1219	  if (global.document) {
1220	    this.index = Request.requestsCount++;
1221	    Request.requests[this.index] = this;
1222	  }
1223	};
1224
1225	/**
1226	 * Called upon successful response.
1227	 *
1228	 * @api private
1229	 */
1230
1231	Request.prototype.onSuccess = function () {
1232	  this.emit('success');
1233	  this.cleanup();
1234	};
1235
1236	/**
1237	 * Called if we have data.
1238	 *
1239	 * @api private
1240	 */
1241
1242	Request.prototype.onData = function (data) {
1243	  this.emit('data', data);
1244	  this.onSuccess();
1245	};
1246
1247	/**
1248	 * Called upon error.
1249	 *
1250	 * @api private
1251	 */
1252
1253	Request.prototype.onError = function (err) {
1254	  this.emit('error', err);
1255	  this.cleanup(true);
1256	};
1257
1258	/**
1259	 * Cleans up house.
1260	 *
1261	 * @api private
1262	 */
1263
1264	Request.prototype.cleanup = function (fromError) {
1265	  if ('undefined' === typeof this.xhr || null === this.xhr) {
1266	    return;
1267	  }
1268	  // xmlhttprequest
1269	  if (this.hasXDR()) {
1270	    this.xhr.onload = this.xhr.onerror = empty;
1271	  } else {
1272	    this.xhr.onreadystatechange = empty;
1273	  }
1274
1275	  if (fromError) {
1276	    try {
1277	      this.xhr.abort();
1278	    } catch (e) {}
1279	  }
1280
1281	  if (global.document) {
1282	    delete Request.requests[this.index];
1283	  }
1284
1285	  this.xhr = null;
1286	};
1287
1288	/**
1289	 * Called upon load.
1290	 *
1291	 * @api private
1292	 */
1293
1294	Request.prototype.onLoad = function () {
1295	  var data;
1296	  try {
1297	    var contentType;
1298	    try {
1299	      contentType = this.xhr.getResponseHeader('Content-Type').split(';')[0];
1300	    } catch (e) {}
1301	    if (contentType === 'application/octet-stream') {
1302	      data = this.xhr.response || this.xhr.responseText;
1303	    } else {
1304	      if (!this.supportsBinary) {
1305	        data = this.xhr.responseText;
1306	      } else {
1307	        try {
1308	          data = String.fromCharCode.apply(null, new Uint8Array(this.xhr.response));
1309	        } catch (e) {
1310	          var ui8Arr = new Uint8Array(this.xhr.response);
1311	          var dataArray = [];
1312	          for (var idx = 0, length = ui8Arr.length; idx < length; idx++) {
1313	            dataArray.push(ui8Arr[idx]);
1314	          }
1315
1316	          data = String.fromCharCode.apply(null, dataArray);
1317	        }
1318	      }
1319	    }
1320	  } catch (e) {
1321	    this.onError(e);
1322	  }
1323	  if (null != data) {
1324	    this.onData(data);
1325	  }
1326	};
1327
1328	/**
1329	 * Check if it has XDomainRequest.
1330	 *
1331	 * @api private
1332	 */
1333
1334	Request.prototype.hasXDR = function () {
1335	  return 'undefined' !== typeof global.XDomainRequest && !this.xs && this.enablesXDR;
1336	};
1337
1338	/**
1339	 * Aborts the request.
1340	 *
1341	 * @api public
1342	 */
1343
1344	Request.prototype.abort = function () {
1345	  this.cleanup();
1346	};
1347
1348	/**
1349	 * Aborts pending requests when unloading the window. This is needed to prevent
1350	 * memory leaks (e.g. when using IE) and to ensure that no spurious error is
1351	 * emitted.
1352	 */
1353
1354	Request.requestsCount = 0;
1355	Request.requests = {};
1356
1357	if (global.document) {
1358	  if (global.attachEvent) {
1359	    global.attachEvent('onunload', unloadHandler);
1360	  } else if (global.addEventListener) {
1361	    global.addEventListener('beforeunload', unloadHandler, false);
1362	  }
1363	}
1364
1365	function unloadHandler() {
1366	  for (var i in Request.requests) {
1367	    if (Request.requests.hasOwnProperty(i)) {
1368	      Request.requests[i].abort();
1369	    }
1370	  }
1371	}
1372	/* WEBPACK VAR INJECTION */}.call(exports, (function() { return this; }())))
1373
1374/***/ },
1375/* 7 */
1376/***/ function(module, exports, __webpack_require__) {
1377
1378	'use strict';
1379
1380	/**
1381	 * Module dependencies.
1382	 */
1383
1384	var Transport = __webpack_require__(8);
1385	var parseqs = __webpack_require__(20);
1386	var parser = __webpack_require__(9);
1387	var inherit = __webpack_require__(21);
1388	var yeast = __webpack_require__(22);
1389	var debug = __webpack_require__(23)('engine.io-client:polling');
1390
1391	/**
1392	 * Module exports.
1393	 */
1394
1395	module.exports = Polling;
1396
1397	/**
1398	 * Is XHR2 supported?
1399	 */
1400
1401	var hasXHR2 = function () {
1402	  var XMLHttpRequest = __webpack_require__(4);
1403	  var xhr = new XMLHttpRequest({ xdomain: false });
1404	  return null != xhr.responseType;
1405	}();
1406
1407	/**
1408	 * Polling interface.
1409	 *
1410	 * @param {Object} opts
1411	 * @api private
1412	 */
1413
1414	function Polling(opts) {
1415	  var forceBase64 = opts && opts.forceBase64;
1416	  if (!hasXHR2 || forceBase64) {
1417	    this.supportsBinary = false;
1418	  }
1419	  Transport.call(this, opts);
1420	}
1421
1422	/**
1423	 * Inherits from Transport.
1424	 */
1425
1426	inherit(Polling, Transport);
1427
1428	/**
1429	 * Transport name.
1430	 */
1431
1432	Polling.prototype.name = 'polling';
1433
1434	/**
1435	 * Opens the socket (triggers polling). We write a PING message to determine
1436	 * when the transport is open.
1437	 *
1438	 * @api private
1439	 */
1440
1441	Polling.prototype.doOpen = function () {
1442	  this.poll();
1443	};
1444
1445	/**
1446	 * Pauses polling.
1447	 *
1448	 * @param {Function} callback upon buffers are flushed and transport is paused
1449	 * @api private
1450	 */
1451
1452	Polling.prototype.pause = function (onPause) {
1453	  var self = this;
1454
1455	  this.readyState = 'pausing';
1456
1457	  function pause() {
1458	    debug('paused');
1459	    self.readyState = 'paused';
1460	    onPause();
1461	  }
1462
1463	  if (this.polling || !this.writable) {
1464	    var total = 0;
1465
1466	    if (this.polling) {
1467	      debug('we are currently polling - waiting to pause');
1468	      total++;
1469	      this.once('pollComplete', function () {
1470	        debug('pre-pause polling complete');
1471	        --total || pause();
1472	      });
1473	    }
1474
1475	    if (!this.writable) {
1476	      debug('we are currently writing - waiting to pause');
1477	      total++;
1478	      this.once('drain', function () {
1479	        debug('pre-pause writing complete');
1480	        --total || pause();
1481	      });
1482	    }
1483	  } else {
1484	    pause();
1485	  }
1486	};
1487
1488	/**
1489	 * Starts polling cycle.
1490	 *
1491	 * @api public
1492	 */
1493
1494	Polling.prototype.poll = function () {
1495	  debug('polling');
1496	  this.polling = true;
1497	  this.doPoll();
1498	  this.emit('poll');
1499	};
1500
1501	/**
1502	 * Overloads onData to detect payloads.
1503	 *
1504	 * @api private
1505	 */
1506
1507	Polling.prototype.onData = function (data) {
1508	  var self = this;
1509	  debug('polling got data %s', data);
1510	  var callback = function callback(packet, index, total) {
1511	    // if its the first message we consider the transport open
1512	    if ('opening' === self.readyState) {
1513	      self.onOpen();
1514	    }
1515
1516	    // if its a close packet, we close the ongoing requests
1517	    if ('close' === packet.type) {
1518	      self.onClose();
1519	      return false;
1520	    }
1521
1522	    // otherwise bypass onData and handle the message
1523	    self.onPacket(packet);
1524	  };
1525
1526	  // decode payload
1527	  parser.decodePayload(data, this.socket.binaryType, callback);
1528
1529	  // if an event did not trigger closing
1530	  if ('closed' !== this.readyState) {
1531	    // if we got data we're not polling
1532	    this.polling = false;
1533	    this.emit('pollComplete');
1534
1535	    if ('open' === this.readyState) {
1536	      this.poll();
1537	    } else {
1538	      debug('ignoring poll - transport state "%s"', this.readyState);
1539	    }
1540	  }
1541	};
1542
1543	/**
1544	 * For polling, send a close packet.
1545	 *
1546	 * @api private
1547	 */
1548
1549	Polling.prototype.doClose = function () {
1550	  var self = this;
1551
1552	  function close() {
1553	    debug('writing close packet');
1554	    self.write([{ type: 'close' }]);
1555	  }
1556
1557	  if ('open' === this.readyState) {
1558	    debug('transport open - closing');
1559	    close();
1560	  } else {
1561	    // in case we're trying to close while
1562	    // handshaking is in progress (GH-164)
1563	    debug('transport not open - deferring close');
1564	    this.once('open', close);
1565	  }
1566	};
1567
1568	/**
1569	 * Writes a packets payload.
1570	 *
1571	 * @param {Array} data packets
1572	 * @param {Function} drain callback
1573	 * @api private
1574	 */
1575
1576	Polling.prototype.write = function (packets) {
1577	  var self = this;
1578	  this.writable = false;
1579	  var callbackfn = function callbackfn() {
1580	    self.writable = true;
1581	    self.emit('drain');
1582	  };
1583
1584	  parser.encodePayload(packets, this.supportsBinary, function (data) {
1585	    self.doWrite(data, callbackfn);
1586	  });
1587	};
1588
1589	/**
1590	 * Generates uri for connection.
1591	 *
1592	 * @api private
1593	 */
1594
1595	Polling.prototype.uri = function () {
1596	  var query = this.query || {};
1597	  var schema = this.secure ? 'https' : 'http';
1598	  var port = '';
1599
1600	  // cache busting is forced
1601	  if (false !== this.timestampRequests) {
1602	    query[this.timestampParam] = yeast();
1603	  }
1604
1605	  if (!this.supportsBinary && !query.sid) {
1606	    query.b64 = 1;
1607	  }
1608
1609	  query = parseqs.encode(query);
1610
1611	  // avoid port if default for schema
1612	  if (this.port && ('https' === schema && Number(this.port) !== 443 || 'http' === schema && Number(this.port) !== 80)) {
1613	    port = ':' + this.port;
1614	  }
1615
1616	  // prepend ? to query
1617	  if (query.length) {
1618	    query = '?' + query;
1619	  }
1620
1621	  var ipv6 = this.hostname.indexOf(':') !== -1;
1622	  return schema + '://' + (ipv6 ? '[' + this.hostname + ']' : this.hostname) + port + this.path + query;
1623	};
1624
1625/***/ },
1626/* 8 */
1627/***/ function(module, exports, __webpack_require__) {
1628
1629	'use strict';
1630
1631	/**
1632	 * Module dependencies.
1633	 */
1634
1635	var parser = __webpack_require__(9);
1636	var Emitter = __webpack_require__(19);
1637
1638	/**
1639	 * Module exports.
1640	 */
1641
1642	module.exports = Transport;
1643
1644	/**
1645	 * Transport abstract constructor.
1646	 *
1647	 * @param {Object} options.
1648	 * @api private
1649	 */
1650
1651	function Transport(opts) {
1652	  this.path = opts.path;
1653	  this.hostname = opts.hostname;
1654	  this.port = opts.port;
1655	  this.secure = opts.secure;
1656	  this.query = opts.query;
1657	  this.timestampParam = opts.timestampParam;
1658	  this.timestampRequests = opts.timestampRequests;
1659	  this.readyState = '';
1660	  this.agent = opts.agent || false;
1661	  this.socket = opts.socket;
1662	  this.enablesXDR = opts.enablesXDR;
1663
1664	  // SSL options for Node.js client
1665	  this.pfx = opts.pfx;
1666	  this.key = opts.key;
1667	  this.passphrase = opts.passphrase;
1668	  this.cert = opts.cert;
1669	  this.ca = opts.ca;
1670	  this.ciphers = opts.ciphers;
1671	  this.rejectUnauthorized = opts.rejectUnauthorized;
1672	  this.forceNode = opts.forceNode;
1673
1674	  // other options for Node.js client
1675	  this.extraHeaders = opts.extraHeaders;
1676	  this.localAddress = opts.localAddress;
1677	}
1678
1679	/**
1680	 * Mix in `Emitter`.
1681	 */
1682
1683	Emitter(Transport.prototype);
1684
1685	/**
1686	 * Emits an error.
1687	 *
1688	 * @param {String} str
1689	 * @return {Transport} for chaining
1690	 * @api public
1691	 */
1692
1693	Transport.prototype.onError = function (msg, desc) {
1694	  var err = new Error(msg);
1695	  err.type = 'TransportError';
1696	  err.description = desc;
1697	  this.emit('error', err);
1698	  return this;
1699	};
1700
1701	/**
1702	 * Opens the transport.
1703	 *
1704	 * @api public
1705	 */
1706
1707	Transport.prototype.open = function () {
1708	  if ('closed' === this.readyState || '' === this.readyState) {
1709	    this.readyState = 'opening';
1710	    this.doOpen();
1711	  }
1712
1713	  return this;
1714	};
1715
1716	/**
1717	 * Closes the transport.
1718	 *
1719	 * @api private
1720	 */
1721
1722	Transport.prototype.close = function () {
1723	  if ('opening' === this.readyState || 'open' === this.readyState) {
1724	    this.doClose();
1725	    this.onClose();
1726	  }
1727
1728	  return this;
1729	};
1730
1731	/**
1732	 * Sends multiple packets.
1733	 *
1734	 * @param {Array} packets
1735	 * @api private
1736	 */
1737
1738	Transport.prototype.send = function (packets) {
1739	  if ('open' === this.readyState) {
1740	    this.write(packets);
1741	  } else {
1742	    throw new Error('Transport not open');
1743	  }
1744	};
1745
1746	/**
1747	 * Called upon open
1748	 *
1749	 * @api private
1750	 */
1751
1752	Transport.prototype.onOpen = function () {
1753	  this.readyState = 'open';
1754	  this.writable = true;
1755	  this.emit('open');
1756	};
1757
1758	/**
1759	 * Called with data.
1760	 *
1761	 * @param {String} data
1762	 * @api private
1763	 */
1764
1765	Transport.prototype.onData = function (data) {
1766	  var packet = parser.decodePacket(data, this.socket.binaryType);
1767	  this.onPacket(packet);
1768	};
1769
1770	/**
1771	 * Called with a decoded packet.
1772	 */
1773
1774	Transport.prototype.onPacket = function (packet) {
1775	  this.emit('packet', packet);
1776	};
1777
1778	/**
1779	 * Called upon close.
1780	 *
1781	 * @api private
1782	 */
1783
1784	Transport.prototype.onClose = function () {
1785	  this.readyState = 'closed';
1786	  this.emit('close');
1787	};
1788
1789/***/ },
1790/* 9 */
1791/***/ function(module, exports, __webpack_require__) {
1792
1793	/* WEBPACK VAR INJECTION */(function(global) {/**
1794	 * Module dependencies.
1795	 */
1796
1797	var keys = __webpack_require__(10);
1798	var hasBinary = __webpack_require__(11);
1799	var sliceBuffer = __webpack_require__(13);
1800	var after = __webpack_require__(14);
1801	var utf8 = __webpack_require__(15);
1802
1803	var base64encoder;
1804	if (global && global.ArrayBuffer) {
1805	  base64encoder = __webpack_require__(17);
1806	}
1807
1808	/**
1809	 * Check if we are running an android browser. That requires us to use
1810	 * ArrayBuffer with polling transports...
1811	 *
1812	 * http://ghinda.net/jpeg-blob-ajax-android/
1813	 */
1814
1815	var isAndroid = typeof navigator !== 'undefined' && /Android/i.test(navigator.userAgent);
1816
1817	/**
1818	 * Check if we are running in PhantomJS.
1819	 * Uploading a Blob with PhantomJS does not work correctly, as reported here:
1820	 * https://github.com/ariya/phantomjs/issues/11395
1821	 * @type boolean
1822	 */
1823	var isPhantomJS = typeof navigator !== 'undefined' && /PhantomJS/i.test(navigator.userAgent);
1824
1825	/**
1826	 * When true, avoids using Blobs to encode payloads.
1827	 * @type boolean
1828	 */
1829	var dontSendBlobs = isAndroid || isPhantomJS;
1830
1831	/**
1832	 * Current protocol version.
1833	 */
1834
1835	exports.protocol = 3;
1836
1837	/**
1838	 * Packet types.
1839	 */
1840
1841	var packets = exports.packets = {
1842	    open:     0    // non-ws
1843	  , close:    1    // non-ws
1844	  , ping:     2
1845	  , pong:     3
1846	  , message:  4
1847	  , upgrade:  5
1848	  , noop:     6
1849	};
1850
1851	var packetslist = keys(packets);
1852
1853	/**
1854	 * Premade error packet.
1855	 */
1856
1857	var err = { type: 'error', data: 'parser error' };
1858
1859	/**
1860	 * Create a blob api even for blob builder when vendor prefixes exist
1861	 */
1862
1863	var Blob = __webpack_require__(18);
1864
1865	/**
1866	 * Encodes a packet.
1867	 *
1868	 *     <packet type id> [ <data> ]
1869	 *
1870	 * Example:
1871	 *
1872	 *     5hello world
1873	 *     3
1874	 *     4
1875	 *
1876	 * Binary is encoded in an identical principle
1877	 *
1878	 * @api private
1879	 */
1880
1881	exports.encodePacket = function (packet, supportsBinary, utf8encode, callback) {
1882	  if ('function' == typeof supportsBinary) {
1883	    callback = supportsBinary;
1884	    supportsBinary = false;
1885	  }
1886
1887	  if ('function' == typeof utf8encode) {
1888	    callback = utf8encode;
1889	    utf8encode = null;
1890	  }
1891
1892	  var data = (packet.data === undefined)
1893	    ? undefined
1894	    : packet.data.buffer || packet.data;
1895
1896	  if (global.ArrayBuffer && data instanceof ArrayBuffer) {
1897	    return encodeArrayBuffer(packet, supportsBinary, callback);
1898	  } else if (Blob && data instanceof global.Blob) {
1899	    return encodeBlob(packet, supportsBinary, callback);
1900	  }
1901
1902	  // might be an object with { base64: true, data: dataAsBase64String }
1903	  if (data && data.base64) {
1904	    return encodeBase64Object(packet, callback);
1905	  }
1906
1907	  // Sending data as a utf-8 string
1908	  var encoded = packets[packet.type];
1909
1910	  // data fragment is optional
1911	  if (undefined !== packet.data) {
1912	    encoded += utf8encode ? utf8.encode(String(packet.data)) : String(packet.data);
1913	  }
1914
1915	  return callback('' + encoded);
1916
1917	};
1918
1919	function encodeBase64Object(packet, callback) {
1920	  // packet data is an object { base64: true, data: dataAsBase64String }
1921	  var message = 'b' + exports.packets[packet.type] + packet.data.data;
1922	  return callback(message);
1923	}
1924
1925	/**
1926	 * Encode packet helpers for binary types
1927	 */
1928
1929	function encodeArrayBuffer(packet, supportsBinary, callback) {
1930	  if (!supportsBinary) {
1931	    return exports.encodeBase64Packet(packet, callback);
1932	  }
1933
1934	  var data = packet.data;
1935	  var contentArray = new Uint8Array(data);
1936	  var resultBuffer = new Uint8Array(1 + data.byteLength);
1937
1938	  resultBuffer[0] = packets[packet.type];
1939	  for (var i = 0; i < contentArray.length; i++) {
1940	    resultBuffer[i+1] = contentArray[i];
1941	  }
1942
1943	  return callback(resultBuffer.buffer);
1944	}
1945
1946	function encodeBlobAsArrayBuffer(packet, supportsBinary, callback) {
1947	  if (!supportsBinary) {
1948	    return exports.encodeBase64Packet(packet, callback);
1949	  }
1950
1951	  var fr = new FileReader();
1952	  fr.onload = function() {
1953	    packet.data = fr.result;
1954	    exports.encodePacket(packet, supportsBinary, true, callback);
1955	  };
1956	  return fr.readAsArrayBuffer(packet.data);
1957	}
1958
1959	function encodeBlob(packet, supportsBinary, callback) {
1960	  if (!supportsBinary) {
1961	    return exports.encodeBase64Packet(packet, callback);
1962	  }
1963
1964	  if (dontSendBlobs) {
1965	    return encodeBlobAsArrayBuffer(packet, supportsBinary, callback);
1966	  }
1967
1968	  var length = new Uint8Array(1);
1969	  length[0] = packets[packet.type];
1970	  var blob = new Blob([length.buffer, packet.data]);
1971
1972	  return callback(blob);
1973	}
1974
1975	/**
1976	 * Encodes a packet with binary data in a base64 string
1977	 *
1978	 * @param {Object} packet, has `type` and `data`
1979	 * @return {String} base64 encoded message
1980	 */
1981
1982	exports.encodeBase64Packet = function(packet, callback) {
1983	  var message = 'b' + exports.packets[packet.type];
1984	  if (Blob && packet.data instanceof global.Blob) {
1985	    var fr = new FileReader();
1986	    fr.onload = function() {
1987	      var b64 = fr.result.split(',')[1];
1988	      callback(message + b64);
1989	    };
1990	    return fr.readAsDataURL(packet.data);
1991	  }
1992
1993	  var b64data;
1994	  try {
1995	    b64data = String.fromCharCode.apply(null, new Uint8Array(packet.data));
1996	  } catch (e) {
1997	    // iPhone Safari doesn't let you apply with typed arrays
1998	    var typed = new Uint8Array(packet.data);
1999	    var basic = new Array(typed.length);
2000	    for (var i = 0; i < typed.length; i++) {
2001	      basic[i] = typed[i];
2002	    }
2003	    b64data = String.fromCharCode.apply(null, basic);
2004	  }
2005	  message += global.btoa(b64data);
2006	  return callback(message);
2007	};
2008
2009	/**
2010	 * Decodes a packet. Changes format to Blob if requested.
2011	 *
2012	 * @return {Object} with `type` and `data` (if any)
2013	 * @api private
2014	 */
2015
2016	exports.decodePacket = function (data, binaryType, utf8decode) {
2017	  if (data === undefined) {
2018	    return err;
2019	  }
2020	  // String data
2021	  if (typeof data == 'string') {
2022	    if (data.charAt(0) == 'b') {
2023	      return exports.decodeBase64Packet(data.substr(1), binaryType);
2024	    }
2025
2026	    if (utf8decode) {
2027	      data = tryDecode(data);
2028	      if (data === false) {
2029	        return err;
2030	      }
2031	    }
2032	    var type = data.charAt(0);
2033
2034	    if (Number(type) != type || !packetslist[type]) {
2035	      return err;
2036	    }
2037
2038	    if (data.length > 1) {
2039	      return { type: packetslist[type], data: data.substring(1) };
2040	    } else {
2041	      return { type: packetslist[type] };
2042	    }
2043	  }
2044
2045	  var asArray = new Uint8Array(data);
2046	  var type = asArray[0];
2047	  var rest = sliceBuffer(data, 1);
2048	  if (Blob && binaryType === 'blob') {
2049	    rest = new Blob([rest]);
2050	  }
2051	  return { type: packetslist[type], data: rest };
2052	};
2053
2054	function tryDecode(data) {
2055	  try {
2056	    data = utf8.decode(data);
2057	  } catch (e) {
2058	    return false;
2059	  }
2060	  return data;
2061	}
2062
2063	/**
2064	 * Decodes a packet encoded in a base64 string
2065	 *
2066	 * @param {String} base64 encoded message
2067	 * @return {Object} with `type` and `data` (if any)
2068	 */
2069
2070	exports.decodeBase64Packet = function(msg, binaryType) {
2071	  var type = packetslist[msg.charAt(0)];
2072	  if (!base64encoder) {
2073	    return { type: type, data: { base64: true, data: msg.substr(1) } };
2074	  }
2075
2076	  var data = base64encoder.decode(msg.substr(1));
2077
2078	  if (binaryType === 'blob' && Blob) {
2079	    data = new Blob([data]);
2080	  }
2081
2082	  return { type: type, data: data };
2083	};
2084
2085	/**
2086	 * Encodes multiple messages (payload).
2087	 *
2088	 *     <length>:data
2089	 *
2090	 * Example:
2091	 *
2092	 *     11:hello world2:hi
2093	 *
2094	 * If any contents are binary, they will be encoded as base64 strings. Base64
2095	 * encoded strings are marked with a b before the length specifier
2096	 *
2097	 * @param {Array} packets
2098	 * @api private
2099	 */
2100
2101	exports.encodePayload = function (packets, supportsBinary, callback) {
2102	  if (typeof supportsBinary == 'function') {
2103	    callback = supportsBinary;
2104	    supportsBinary = null;
2105	  }
2106
2107	  var isBinary = hasBinary(packets);
2108
2109	  if (supportsBinary && isBinary) {
2110	    if (Blob && !dontSendBlobs) {
2111	      return exports.encodePayloadAsBlob(packets, callback);
2112	    }
2113
2114	    return exports.encodePayloadAsArrayBuffer(packets, callback);
2115	  }
2116
2117	  if (!packets.length) {
2118	    return callback('0:');
2119	  }
2120
2121	  function setLengthHeader(message) {
2122	    return message.length + ':' + message;
2123	  }
2124
2125	  function encodeOne(packet, doneCallback) {
2126	    exports.encodePacket(packet, !isBinary ? false : supportsBinary, true, function(message) {
2127	      doneCallback(null, setLengthHeader(message));
2128	    });
2129	  }
2130
2131	  map(packets, encodeOne, function(err, results) {
2132	    return callback(results.join(''));
2133	  });
2134	};
2135
2136	/**
2137	 * Async array map using after
2138	 */
2139
2140	function map(ary, each, done) {
2141	  var result = new Array(ary.length);
2142	  var next = after(ary.length, done);
2143
2144	  var eachWithIndex = function(i, el, cb) {
2145	    each(el, function(error, msg) {
2146	      result[i] = msg;
2147	      cb(error, result);
2148	    });
2149	  };
2150
2151	  for (var i = 0; i < ary.length; i++) {
2152	    eachWithIndex(i, ary[i], next);
2153	  }
2154	}
2155
2156	/*
2157	 * Decodes data when a payload is maybe expected. Possible binary contents are
2158	 * decoded from their base64 representation
2159	 *
2160	 * @param {String} data, callback method
2161	 * @api public
2162	 */
2163
2164	exports.decodePayload = function (data, binaryType, callback) {
2165	  if (typeof data != 'string') {
2166	    return exports.decodePayloadAsBinary(data, binaryType, callback);
2167	  }
2168
2169	  if (typeof binaryType === 'function') {
2170	    callback = binaryType;
2171	    binaryType = null;
2172	  }
2173
2174	  var packet;
2175	  if (data == '') {
2176	    // parser error - ignoring payload
2177	    return callback(err, 0, 1);
2178	  }
2179
2180	  var length = ''
2181	    , n, msg;
2182
2183	  for (var i = 0, l = data.length; i < l; i++) {
2184	    var chr = data.charAt(i);
2185
2186	    if (':' != chr) {
2187	      length += chr;
2188	    } else {
2189	      if ('' == length || (length != (n = Number(length)))) {
2190	        // parser error - ignoring payload
2191	        return callback(err, 0, 1);
2192	      }
2193
2194	      msg = data.substr(i + 1, n);
2195
2196	      if (length != msg.length) {
2197	        // parser error - ignoring payload
2198	        return callback(err, 0, 1);
2199	      }
2200
2201	      if (msg.length) {
2202	        packet = exports.decodePacket(msg, binaryType, true);
2203
2204	        if (err.type == packet.type && err.data == packet.data) {
2205	          // parser error in individual packet - ignoring payload
2206	          return callback(err, 0, 1);
2207	        }
2208
2209	        var ret = callback(packet, i + n, l);
2210	        if (false === ret) return;
2211	      }
2212
2213	      // advance cursor
2214	      i += n;
2215	      length = '';
2216	    }
2217	  }
2218
2219	  if (length != '') {
2220	    // parser error - ignoring payload
2221	    return callback(err, 0, 1);
2222	  }
2223
2224	};
2225
2226	/**
2227	 * Encodes multiple messages (payload) as binary.
2228	 *
2229	 * <1 = binary, 0 = string><number from 0-9><number from 0-9>[...]<number
2230	 * 255><data>
2231	 *
2232	 * Example:
2233	 * 1 3 255 1 2 3, if the binary contents are interpreted as 8 bit integers
2234	 *
2235	 * @param {Array} packets
2236	 * @return {ArrayBuffer} encoded payload
2237	 * @api private
2238	 */
2239
2240	exports.encodePayloadAsArrayBuffer = function(packets, callback) {
2241	  if (!packets.length) {
2242	    return callback(new ArrayBuffer(0));
2243	  }
2244
2245	  function encodeOne(packet, doneCallback) {
2246	    exports.encodePacket(packet, true, true, function(data) {
2247	      return doneCallback(null, data);
2248	    });
2249	  }
2250
2251	  map(packets, encodeOne, function(err, encodedPackets) {
2252	    var totalLength = encodedPackets.reduce(function(acc, p) {
2253	      var len;
2254	      if (typeof p === 'string'){
2255	        len = p.length;
2256	      } else {
2257	        len = p.byteLength;
2258	      }
2259	      return acc + len.toString().length + len + 2; // string/binary identifier + separator = 2
2260	    }, 0);
2261
2262	    var resultArray = new Uint8Array(totalLength);
2263
2264	    var bufferIndex = 0;
2265	    encodedPackets.forEach(function(p) {
2266	      var isString = typeof p === 'string';
2267	      var ab = p;
2268	      if (isString) {
2269	        var view = new Uint8Array(p.length);
2270	        for (var i = 0; i < p.length; i++) {
2271	          view[i] = p.charCodeAt(i);
2272	        }
2273	        ab = view.buffer;
2274	      }
2275
2276	      if (isString) { // not true binary
2277	        resultArray[bufferIndex++] = 0;
2278	      } else { // true binary
2279	        resultArray[bufferIndex++] = 1;
2280	      }
2281
2282	      var lenStr = ab.byteLength.toString();
2283	      for (var i = 0; i < lenStr.length; i++) {
2284	        resultArray[bufferIndex++] = parseInt(lenStr[i]);
2285	      }
2286	      resultArray[bufferIndex++] = 255;
2287
2288	      var view = new Uint8Array(ab);
2289	      for (var i = 0; i < view.length; i++) {
2290	        resultArray[bufferIndex++] = view[i];
2291	      }
2292	    });
2293
2294	    return callback(resultArray.buffer);
2295	  });
2296	};
2297
2298	/**
2299	 * Encode as Blob
2300	 */
2301
2302	exports.encodePayloadAsBlob = function(packets, callback) {
2303	  function encodeOne(packet, doneCallback) {
2304	    exports.encodePacket(packet, true, true, function(encoded) {
2305	      var binaryIdentifier = new Uint8Array(1);
2306	      binaryIdentifier[0] = 1;
2307	      if (typeof encoded === 'string') {
2308	        var view = new Uint8Array(encoded.length);
2309	        for (var i = 0; i < encoded.length; i++) {
2310	          view[i] = encoded.charCodeAt(i);
2311	        }
2312	        encoded = view.buffer;
2313	        binaryIdentifier[0] = 0;
2314	      }
2315
2316	      var len = (encoded instanceof ArrayBuffer)
2317	        ? encoded.byteLength
2318	        : encoded.size;
2319
2320	      var lenStr = len.toString();
2321	      var lengthAry = new Uint8Array(lenStr.length + 1);
2322	      for (var i = 0; i < lenStr.length; i++) {
2323	        lengthAry[i] = parseInt(lenStr[i]);
2324	      }
2325	      lengthAry[lenStr.length] = 255;
2326
2327	      if (Blob) {
2328	        var blob = new Blob([binaryIdentifier.buffer, lengthAry.buffer, encoded]);
2329	        doneCallback(null, blob);
2330	      }
2331	    });
2332	  }
2333
2334	  map(packets, encodeOne, function(err, results) {
2335	    return callback(new Blob(results));
2336	  });
2337	};
2338
2339	/*
2340	 * Decodes data when a payload is maybe expected. Strings are decoded by
2341	 * interpreting each byte as a key code for entries marked to start with 0. See
2342	 * description of encodePayloadAsBinary
2343	 *
2344	 * @param {ArrayBuffer} data, callback method
2345	 * @api public
2346	 */
2347
2348	exports.decodePayloadAsBinary = function (data, binaryType, callback) {
2349	  if (typeof binaryType === 'function') {
2350	    callback = binaryType;
2351	    binaryType = null;
2352	  }
2353
2354	  var bufferTail = data;
2355	  var buffers = [];
2356
2357	  var numberTooLong = false;
2358	  while (bufferTail.byteLength > 0) {
2359	    var tailArray = new Uint8Array(bufferTail);
2360	    var isString = tailArray[0] === 0;
2361	    var msgLength = '';
2362
2363	    for (var i = 1; ; i++) {
2364	      if (tailArray[i] == 255) break;
2365
2366	      if (msgLength.length > 310) {
2367	        numberTooLong = true;
2368	        break;
2369	      }
2370
2371	      msgLength += tailArray[i];
2372	    }
2373
2374	    if(numberTooLong) return callback(err, 0, 1);
2375
2376	    bufferTail = sliceBuffer(bufferTail, 2 + msgLength.length);
2377	    msgLength = parseInt(msgLength);
2378
2379	    var msg = sliceBuffer(bufferTail, 0, msgLength);
2380	    if (isString) {
2381	      try {
2382	        msg = String.fromCharCode.apply(null, new Uint8Array(msg));
2383	      } catch (e) {
2384	        // iPhone Safari doesn't let you apply to typed arrays
2385	        var typed = new Uint8Array(msg);
2386	        msg = '';
2387	        for (var i = 0; i < typed.length; i++) {
2388	          msg += String.fromCharCode(typed[i]);
2389	        }
2390	      }
2391	    }
2392
2393	    buffers.push(msg);
2394	    bufferTail = sliceBuffer(bufferTail, msgLength);
2395	  }
2396
2397	  var total = buffers.length;
2398	  buffers.forEach(function(buffer, i) {
2399	    callback(exports.decodePacket(buffer, binaryType, true), i, total);
2400	  });
2401	};
2402
2403	/* WEBPACK VAR INJECTION */}.call(exports, (function() { return this; }())))
2404
2405/***/ },
2406/* 10 */
2407/***/ function(module, exports) {
2408
2409	
2410	/**
2411	 * Gets the keys for an object.
2412	 *
2413	 * @return {Array} keys
2414	 * @api private
2415	 */
2416
2417	module.exports = Object.keys || function keys (obj){
2418	  var arr = [];
2419	  var has = Object.prototype.hasOwnProperty;
2420
2421	  for (var i in obj) {
2422	    if (has.call(obj, i)) {
2423	      arr.push(i);
2424	    }
2425	  }
2426	  return arr;
2427	};
2428
2429
2430/***/ },
2431/* 11 */
2432/***/ function(module, exports, __webpack_require__) {
2433
2434	/* WEBPACK VAR INJECTION */(function(global) {
2435	/*
2436	 * Module requirements.
2437	 */
2438
2439	var isArray = __webpack_require__(12);
2440
2441	/**
2442	 * Module exports.
2443	 */
2444
2445	module.exports = hasBinary;
2446
2447	/**
2448	 * Checks for binary data.
2449	 *
2450	 * Right now only Buffer and ArrayBuffer are supported..
2451	 *
2452	 * @param {Object} anything
2453	 * @api public
2454	 */
2455
2456	function hasBinary(data) {
2457
2458	  function _hasBinary(obj) {
2459	    if (!obj) return false;
2460
2461	    if ( (global.Buffer && global.Buffer.isBuffer && global.Buffer.isBuffer(obj)) ||
2462	         (global.ArrayBuffer && obj instanceof ArrayBuffer) ||
2463	         (global.Blob && obj instanceof Blob) ||
2464	         (global.File && obj instanceof File)
2465	        ) {
2466	      return true;
2467	    }
2468
2469	    if (isArray(obj)) {
2470	      for (var i = 0; i < obj.length; i++) {
2471	          if (_hasBinary(obj[i])) {
2472	              return true;
2473	          }
2474	      }
2475	    } else if (obj && 'object' == typeof obj) {
2476	      // see: https://github.com/Automattic/has-binary/pull/4
2477	      if (obj.toJSON && 'function' == typeof obj.toJSON) {
2478	        obj = obj.toJSON();
2479	      }
2480
2481	      for (var key in obj) {
2482	        if (Object.prototype.hasOwnProperty.call(obj, key) && _hasBinary(obj[key])) {
2483	          return true;
2484	        }
2485	      }
2486	    }
2487
2488	    return false;
2489	  }
2490
2491	  return _hasBinary(data);
2492	}
2493
2494	/* WEBPACK VAR INJECTION */}.call(exports, (function() { return this; }())))
2495
2496/***/ },
2497/* 12 */
2498/***/ function(module, exports) {
2499
2500	module.exports = Array.isArray || function (arr) {
2501	  return Object.prototype.toString.call(arr) == '[object Array]';
2502	};
2503
2504
2505/***/ },
2506/* 13 */
2507/***/ function(module, exports) {
2508
2509	/**
2510	 * An abstraction for slicing an arraybuffer even when
2511	 * ArrayBuffer.prototype.slice is not supported
2512	 *
2513	 * @api public
2514	 */
2515
2516	module.exports = function(arraybuffer, start, end) {
2517	  var bytes = arraybuffer.byteLength;
2518	  start = start || 0;
2519	  end = end || bytes;
2520
2521	  if (arraybuffer.slice) { return arraybuffer.slice(start, end); }
2522
2523	  if (start < 0) { start += bytes; }
2524	  if (end < 0) { end += bytes; }
2525	  if (end > bytes) { end = bytes; }
2526
2527	  if (start >= bytes || start >= end || bytes === 0) {
2528	    return new ArrayBuffer(0);
2529	  }
2530
2531	  var abv = new Uint8Array(arraybuffer);
2532	  var result = new Uint8Array(end - start);
2533	  for (var i = start, ii = 0; i < end; i++, ii++) {
2534	    result[ii] = abv[i];
2535	  }
2536	  return result.buffer;
2537	};
2538
2539
2540/***/ },
2541/* 14 */
2542/***/ function(module, exports) {
2543
2544	module.exports = after
2545
2546	function after(count, callback, err_cb) {
2547	    var bail = false
2548	    err_cb = err_cb || noop
2549	    proxy.count = count
2550
2551	    return (count === 0) ? callback() : proxy
2552
2553	    function proxy(err, result) {
2554	        if (proxy.count <= 0) {
2555	            throw new Error('after called too many times')
2556	        }
2557	        --proxy.count
2558
2559	        // after first error, rest are passed to err_cb
2560	        if (err) {
2561	            bail = true
2562	            callback(err)
2563	            // future error callbacks will go to error handler
2564	            callback = err_cb
2565	        } else if (proxy.count === 0 && !bail) {
2566	            callback(null, result)
2567	        }
2568	    }
2569	}
2570
2571	function noop() {}
2572
2573
2574/***/ },
2575/* 15 */
2576/***/ function(module, exports, __webpack_require__) {
2577
2578	var __WEBPACK_AMD_DEFINE_RESULT__;/* WEBPACK VAR INJECTION */(function(module, global) {/*! https://mths.be/wtf8 v1.0.0 by @mathias */
2579	;(function(root) {
2580
2581		// Detect free variables `exports`
2582		var freeExports = typeof exports == 'object' && exports;
2583
2584		// Detect free variable `module`
2585		var freeModule = typeof module == 'object' && module &&
2586			module.exports == freeExports && module;
2587
2588		// Detect free variable `global`, from Node.js or Browserified code,
2589		// and use it as `root`
2590		var freeGlobal = typeof global == 'object' && global;
2591		if (freeGlobal.global === freeGlobal || freeGlobal.window === freeGlobal) {
2592			root = freeGlobal;
2593		}
2594
2595		/*--------------------------------------------------------------------------*/
2596
2597		var stringFromCharCode = String.fromCharCode;
2598
2599		// Taken from https://mths.be/punycode
2600		function ucs2decode(string) {
2601			var output = [];
2602			var counter = 0;
2603			var length = string.length;
2604			var value;
2605			var extra;
2606			while (counter < length) {
2607				value = string.charCodeAt(counter++);
2608				if (value >= 0xD800 && value <= 0xDBFF && counter < length) {
2609					// high surrogate, and there is a next character
2610					extra = string.charCodeAt(counter++);
2611					if ((extra & 0xFC00) == 0xDC00) { // low surrogate
2612						output.push(((value & 0x3FF) << 10) + (extra & 0x3FF) + 0x10000);
2613					} else {
2614						// unmatched surrogate; only append this code unit, in case the next
2615						// code unit is the high surrogate of a surrogate pair
2616						output.push(value);
2617						counter--;
2618					}
2619				} else {
2620					output.push(value);
2621				}
2622			}
2623			return output;
2624		}
2625
2626		// Taken from https://mths.be/punycode
2627		function ucs2encode(array) {
2628			var length = array.length;
2629			var index = -1;
2630			var value;
2631			var output = '';
2632			while (++index < length) {
2633				value = array[index];
2634				if (value > 0xFFFF) {
2635					value -= 0x10000;
2636					output += stringFromCharCode(value >>> 10 & 0x3FF | 0xD800);
2637					value = 0xDC00 | value & 0x3FF;
2638				}
2639				output += stringFromCharCode(value);
2640			}
2641			return output;
2642		}
2643
2644		/*--------------------------------------------------------------------------*/
2645
2646		function createByte(codePoint, shift) {
2647			return stringFromCharCode(((codePoint >> shift) & 0x3F) | 0x80);
2648		}
2649
2650		function encodeCodePoint(codePoint) {
2651			if ((codePoint & 0xFFFFFF80) == 0) { // 1-byte sequence
2652				return stringFromCharCode(codePoint);
2653			}
2654			var symbol = '';
2655			if ((codePoint & 0xFFFFF800) == 0) { // 2-byte sequence
2656				symbol = stringFromCharCode(((codePoint >> 6) & 0x1F) | 0xC0);
2657			}
2658			else if ((codePoint & 0xFFFF0000) == 0) { // 3-byte sequence
2659				symbol = stringFromCharCode(((codePoint >> 12) & 0x0F) | 0xE0);
2660				symbol += createByte(codePoint, 6);
2661			}
2662			else if ((codePoint & 0xFFE00000) == 0) { // 4-byte sequence
2663				symbol = stringFromCharCode(((codePoint >> 18) & 0x07) | 0xF0);
2664				symbol += createByte(codePoint, 12);
2665				symbol += createByte(codePoint, 6);
2666			}
2667			symbol += stringFromCharCode((codePoint & 0x3F) | 0x80);
2668			return symbol;
2669		}
2670
2671		function wtf8encode(string) {
2672			var codePoints = ucs2decode(string);
2673			var length = codePoints.length;
2674			var index = -1;
2675			var codePoint;
2676			var byteString = '';
2677			while (++index < length) {
2678				codePoint = codePoints[index];
2679				byteString += encodeCodePoint(codePoint);
2680			}
2681			return byteString;
2682		}
2683
2684		/*--------------------------------------------------------------------------*/
2685
2686		function readContinuationByte() {
2687			if (byteIndex >= byteCount) {
2688				throw Error('Invalid byte index');
2689			}
2690
2691			var continuationByte = byteArray[byteIndex] & 0xFF;
2692			byteIndex++;
2693
2694			if ((continuationByte & 0xC0) == 0x80) {
2695				return continuationByte & 0x3F;
2696			}
2697
2698			// If we end up here, it’s not a continuation byte.
2699			throw Error('Invalid continuation byte');
2700		}
2701
2702		function decodeSymbol() {
2703			var byte1;
2704			var byte2;
2705			var byte3;
2706			var byte4;
2707			var codePoint;
2708
2709			if (byteIndex > byteCount) {
2710				throw Error('Invalid byte index');
2711			}
2712
2713			if (byteIndex == byteCount) {
2714				return false;
2715			}
2716
2717			// Read the first byte.
2718			byte1 = byteArray[byteIndex] & 0xFF;
2719			byteIndex++;
2720
2721			// 1-byte sequence (no continuation bytes)
2722			if ((byte1 & 0x80) == 0) {
2723				return byte1;
2724			}
2725
2726			// 2-byte sequence
2727			if ((byte1 & 0xE0) == 0xC0) {
2728				var byte2 = readContinuationByte();
2729				codePoint = ((byte1 & 0x1F) << 6) | byte2;
2730				if (codePoint >= 0x80) {
2731					return codePoint;
2732				} else {
2733					throw Error('Invalid continuation byte');
2734				}
2735			}
2736
2737			// 3-byte sequence (may include unpaired surrogates)
2738			if ((byte1 & 0xF0) == 0xE0) {
2739				byte2 = readContinuationByte();
2740				byte3 = readContinuationByte();
2741				codePoint = ((byte1 & 0x0F) << 12) | (byte2 << 6) | byte3;
2742				if (codePoint >= 0x0800) {
2743					return codePoint;
2744				} else {
2745					throw Error('Invalid continuation byte');
2746				}
2747			}
2748
2749			// 4-byte sequence
2750			if ((byte1 & 0xF8) == 0xF0) {
2751				byte2 = readContinuationByte();
2752				byte3 = readContinuationByte();
2753				byte4 = readContinuationByte();
2754				codePoint = ((byte1 & 0x0F) << 0x12) | (byte2 << 0x0C) |
2755					(byte3 << 0x06) | byte4;
2756				if (codePoint >= 0x010000 && codePoint <= 0x10FFFF) {
2757					return codePoint;
2758				}
2759			}
2760
2761			throw Error('Invalid WTF-8 detected');
2762		}
2763
2764		var byteArray;
2765		var byteCount;
2766		var byteIndex;
2767		function wtf8decode(byteString) {
2768			byteArray = ucs2decode(byteString);
2769			byteCount = byteArray.length;
2770			byteIndex = 0;
2771			var codePoints = [];
2772			var tmp;
2773			while ((tmp = decodeSymbol()) !== false) {
2774				codePoints.push(tmp);
2775			}
2776			return ucs2encode(codePoints);
2777		}
2778
2779		/*--------------------------------------------------------------------------*/
2780
2781		var wtf8 = {
2782			'version': '1.0.0',
2783			'encode': wtf8encode,
2784			'decode': wtf8decode
2785		};
2786
2787		// Some AMD build optimizers, like r.js, check for specific condition patterns
2788		// like the following:
2789		if (
2790			true
2791		) {
2792			!(__WEBPACK_AMD_DEFINE_RESULT__ = function() {
2793				return wtf8;
2794			}.call(exports, __webpack_require__, exports, module), __WEBPACK_AMD_DEFINE_RESULT__ !== undefined && (module.exports = __WEBPACK_AMD_DEFINE_RESULT__));
2795		}	else if (freeExports && !freeExports.nodeType) {
2796			if (freeModule) { // in Node.js or RingoJS v0.8.0+
2797				freeModule.exports = wtf8;
2798			} else { // in Narwhal or RingoJS v0.7.0-
2799				var object = {};
2800				var hasOwnProperty = object.hasOwnProperty;
2801				for (var key in wtf8) {
2802					hasOwnProperty.call(wtf8, key) && (freeExports[key] = wtf8[key]);
2803				}
2804			}
2805		} else { // in Rhino or a web browser
2806			root.wtf8 = wtf8;
2807		}
2808
2809	}(this));
2810
2811	/* WEBPACK VAR INJECTION */}.call(exports, __webpack_require__(16)(module), (function() { return this; }())))
2812
2813/***/ },
2814/* 16 */
2815/***/ function(module, exports) {
2816
2817	module.exports = function(module) {
2818		if(!module.webpackPolyfill) {
2819			module.deprecate = function() {};
2820			module.paths = [];
2821			// module.parent = undefined by default
2822			module.children = [];
2823			module.webpackPolyfill = 1;
2824		}
2825		return module;
2826	}
2827
2828
2829/***/ },
2830/* 17 */
2831/***/ function(module, exports) {
2832
2833	/*
2834	 * base64-arraybuffer
2835	 * https://github.com/niklasvh/base64-arraybuffer
2836	 *
2837	 * Copyright (c) 2012 Niklas von Hertzen
2838	 * Licensed under the MIT license.
2839	 */
2840	(function(){
2841	  "use strict";
2842
2843	  var chars = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";
2844
2845	  // Use a lookup table to find the index.
2846	  var lookup = new Uint8Array(256);
2847	  for (var i = 0; i < chars.length; i++) {
2848	    lookup[chars.charCodeAt(i)] = i;
2849	  }
2850
2851	  exports.encode = function(arraybuffer) {
2852	    var bytes = new Uint8Array(arraybuffer),
2853	    i, len = bytes.length, base64 = "";
2854
2855	    for (i = 0; i < len; i+=3) {
2856	      base64 += chars[bytes[i] >> 2];
2857	      base64 += chars[((bytes[i] & 3) << 4) | (bytes[i + 1] >> 4)];
2858	      base64 += chars[((bytes[i + 1] & 15) << 2) | (bytes[i + 2] >> 6)];
2859	      base64 += chars[bytes[i + 2] & 63];
2860	    }
2861
2862	    if ((len % 3) === 2) {
2863	      base64 = base64.substring(0, base64.length - 1) + "=";
2864	    } else if (len % 3 === 1) {
2865	      base64 = base64.substring(0, base64.length - 2) + "==";
2866	    }
2867
2868	    return base64;
2869	  };
2870
2871	  exports.decode =  function(base64) {
2872	    var bufferLength = base64.length * 0.75,
2873	    len = base64.length, i, p = 0,
2874	    encoded1, encoded2, encoded3, encoded4;
2875
2876	    if (base64[base64.length - 1] === "=") {
2877	      bufferLength--;
2878	      if (base64[base64.length - 2] === "=") {
2879	        bufferLength--;
2880	      }
2881	    }
2882
2883	    var arraybuffer = new ArrayBuffer(bufferLength),
2884	    bytes = new Uint8Array(arraybuffer);
2885
2886	    for (i = 0; i < len; i+=4) {
2887	      encoded1 = lookup[base64.charCodeAt(i)];
2888	      encoded2 = lookup[base64.charCodeAt(i+1)];
2889	      encoded3 = lookup[base64.charCodeAt(i+2)];
2890	      encoded4 = lookup[base64.charCodeAt(i+3)];
2891
2892	      bytes[p++] = (encoded1 << 2) | (encoded2 >> 4);
2893	      bytes[p++] = ((encoded2 & 15) << 4) | (encoded3 >> 2);
2894	      bytes[p++] = ((encoded3 & 3) << 6) | (encoded4 & 63);
2895	    }
2896
2897	    return arraybuffer;
2898	  };
2899	})();
2900
2901
2902/***/ },
2903/* 18 */
2904/***/ function(module, exports) {
2905
2906	/* WEBPACK VAR INJECTION */(function(global) {/**
2907	 * Create a blob builder even when vendor prefixes exist
2908	 */
2909
2910	var BlobBuilder = global.BlobBuilder
2911	  || global.WebKitBlobBuilder
2912	  || global.MSBlobBuilder
2913	  || global.MozBlobBuilder;
2914
2915	/**
2916	 * Check if Blob constructor is supported
2917	 */
2918
2919	var blobSupported = (function() {
2920	  try {
2921	    var a = new Blob(['hi']);
2922	    return a.size === 2;
2923	  } catch(e) {
2924	    return false;
2925	  }
2926	})();
2927
2928	/**
2929	 * Check if Blob constructor supports ArrayBufferViews
2930	 * Fails in Safari 6, so we need to map to ArrayBuffers there.
2931	 */
2932
2933	var blobSupportsArrayBufferView = blobSupported && (function() {
2934	  try {
2935	    var b = new Blob([new Uint8Array([1,2])]);
2936	    return b.size === 2;
2937	  } catch(e) {
2938	    return false;
2939	  }
2940	})();
2941
2942	/**
2943	 * Check if BlobBuilder is supported
2944	 */
2945
2946	var blobBuilderSupported = BlobBuilder
2947	  && BlobBuilder.prototype.append
2948	  && BlobBuilder.prototype.getBlob;
2949
2950	/**
2951	 * Helper function that maps ArrayBufferViews to ArrayBuffers
2952	 * Used by BlobBuilder constructor and old browsers that didn't
2953	 * support it in the Blob constructor.
2954	 */
2955
2956	function mapArrayBufferViews(ary) {
2957	  for (var i = 0; i < ary.length; i++) {
2958	    var chunk = ary[i];
2959	    if (chunk.buffer instanceof ArrayBuffer) {
2960	      var buf = chunk.buffer;
2961
2962	      // if this is a subarray, make a copy so we only
2963	      // include the subarray region from the underlying buffer
2964	      if (chunk.byteLength !== buf.byteLength) {
2965	        var copy = new Uint8Array(chunk.byteLength);
2966	        copy.set(new Uint8Array(buf, chunk.byteOffset, chunk.byteLength));
2967	        buf = copy.buffer;
2968	      }
2969
2970	      ary[i] = buf;
2971	    }
2972	  }
2973	}
2974
2975	function BlobBuilderConstructor(ary, options) {
2976	  options = options || {};
2977
2978	  var bb = new BlobBuilder();
2979	  mapArrayBufferViews(ary);
2980
2981	  for (var i = 0; i < ary.length; i++) {
2982	    bb.append(ary[i]);
2983	  }
2984
2985	  return (options.type) ? bb.getBlob(options.type) : bb.getBlob();
2986	};
2987
2988	function BlobConstructor(ary, options) {
2989	  mapArrayBufferViews(ary);
2990	  return new Blob(ary, options || {});
2991	};
2992
2993	module.exports = (function() {
2994	  if (blobSupported) {
2995	    return blobSupportsArrayBufferView ? global.Blob : BlobConstructor;
2996	  } else if (blobBuilderSupported) {
2997	    return BlobBuilderConstructor;
2998	  } else {
2999	    return undefined;
3000	  }
3001	})();
3002
3003	/* WEBPACK VAR INJECTION */}.call(exports, (function() { return this; }())))
3004
3005/***/ },
3006/* 19 */
3007/***/ function(module, exports, __webpack_require__) {
3008
3009	
3010	/**
3011	 * Expose `Emitter`.
3012	 */
3013
3014	if (true) {
3015	  module.exports = Emitter;
3016	}
3017
3018	/**
3019	 * Initialize a new `Emitter`.
3020	 *
3021	 * @api public
3022	 */
3023
3024	function Emitter(obj) {
3025	  if (obj) return mixin(obj);
3026	};
3027
3028	/**
3029	 * Mixin the emitter properties.
3030	 *
3031	 * @param {Object} obj
3032	 * @return {Object}
3033	 * @api private
3034	 */
3035
3036	function mixin(obj) {
3037	  for (var key in Emitter.prototype) {
3038	    obj[key] = Emitter.prototype[key];
3039	  }
3040	  return obj;
3041	}
3042
3043	/**
3044	 * Listen on the given `event` with `fn`.
3045	 *
3046	 * @param {String} event
3047	 * @param {Function} fn
3048	 * @return {Emitter}
3049	 * @api public
3050	 */
3051
3052	Emitter.prototype.on =
3053	Emitter.prototype.addEventListener = function(event, fn){
3054	  this._callbacks = this._callbacks || {};
3055	  (this._callbacks['$' + event] = this._callbacks['$' + event] || [])
3056	    .push(fn);
3057	  return this;
3058	};
3059
3060	/**
3061	 * Adds an `event` listener that will be invoked a single
3062	 * time then automatically removed.
3063	 *
3064	 * @param {String} event
3065	 * @param {Function} fn
3066	 * @return {Emitter}
3067	 * @api public
3068	 */
3069
3070	Emitter.prototype.once = function(event, fn){
3071	  function on() {
3072	    this.off(event, on);
3073	    fn.apply(this, arguments);
3074	  }
3075
3076	  on.fn = fn;
3077	  this.on(event, on);
3078	  return this;
3079	};
3080
3081	/**
3082	 * Remove the given callback for `event` or all
3083	 * registered callbacks.
3084	 *
3085	 * @param {String} event
3086	 * @param {Function} fn
3087	 * @return {Emitter}
3088	 * @api public
3089	 */
3090
3091	Emitter.prototype.off =
3092	Emitter.prototype.removeListener =
3093	Emitter.prototype.removeAllListeners =
3094	Emitter.prototype.removeEventListener = function(event, fn){
3095	  this._callbacks = this._callbacks || {};
3096
3097	  // all
3098	  if (0 == arguments.length) {
3099	    this._callbacks = {};
3100	    return this;
3101	  }
3102
3103	  // specific event
3104	  var callbacks = this._callbacks['$' + event];
3105	  if (!callbacks) return this;
3106
3107	  // remove all handlers
3108	  if (1 == arguments.length) {
3109	    delete this._callbacks['$' + event];
3110	    return this;
3111	  }
3112
3113	  // remove specific handler
3114	  var cb;
3115	  for (var i = 0; i < callbacks.length; i++) {
3116	    cb = callbacks[i];
3117	    if (cb === fn || cb.fn === fn) {
3118	      callbacks.splice(i, 1);
3119	      break;
3120	    }
3121	  }
3122	  return this;
3123	};
3124
3125	/**
3126	 * Emit `event` with the given args.
3127	 *
3128	 * @param {String} event
3129	 * @param {Mixed} ...
3130	 * @return {Emitter}
3131	 */
3132
3133	Emitter.prototype.emit = function(event){
3134	  this._callbacks = this._callbacks || {};
3135	  var args = [].slice.call(arguments, 1)
3136	    , callbacks = this._callbacks['$' + event];
3137
3138	  if (callbacks) {
3139	    callbacks = callbacks.slice(0);
3140	    for (var i = 0, len = callbacks.length; i < len; ++i) {
3141	      callbacks[i].apply(this, args);
3142	    }
3143	  }
3144
3145	  return this;
3146	};
3147
3148	/**
3149	 * Return array of callbacks for `event`.
3150	 *
3151	 * @param {String} event
3152	 * @return {Array}
3153	 * @api public
3154	 */
3155
3156	Emitter.prototype.listeners = function(event){
3157	  this._callbacks = this._callbacks || {};
3158	  return this._callbacks['$' + event] || [];
3159	};
3160
3161	/**
3162	 * Check if this emitter has `event` handlers.
3163	 *
3164	 * @param {String} event
3165	 * @return {Boolean}
3166	 * @api public
3167	 */
3168
3169	Emitter.prototype.hasListeners = function(event){
3170	  return !! this.listeners(event).length;
3171	};
3172
3173
3174/***/ },
3175/* 20 */
3176/***/ function(module, exports) {
3177
3178	/**
3179	 * Compiles a querystring
3180	 * Returns string representation of the object
3181	 *
3182	 * @param {Object}
3183	 * @api private
3184	 */
3185
3186	exports.encode = function (obj) {
3187	  var str = '';
3188
3189	  for (var i in obj) {
3190	    if (obj.hasOwnProperty(i)) {
3191	      if (str.length) str += '&';
3192	      str += encodeURIComponent(i) + '=' + encodeURIComponent(obj[i]);
3193	    }
3194	  }
3195
3196	  return str;
3197	};
3198
3199	/**
3200	 * Parses a simple querystring into an object
3201	 *
3202	 * @param {String} qs
3203	 * @api private
3204	 */
3205
3206	exports.decode = function(qs){
3207	  var qry = {};
3208	  var pairs = qs.split('&');
3209	  for (var i = 0, l = pairs.length; i < l; i++) {
3210	    var pair = pairs[i].split('=');
3211	    qry[decodeURIComponent(pair[0])] = decodeURIComponent(pair[1]);
3212	  }
3213	  return qry;
3214	};
3215
3216
3217/***/ },
3218/* 21 */
3219/***/ function(module, exports) {
3220
3221	
3222	module.exports = function(a, b){
3223	  var fn = function(){};
3224	  fn.prototype = b.prototype;
3225	  a.prototype = new fn;
3226	  a.prototype.constructor = a;
3227	};
3228
3229/***/ },
3230/* 22 */
3231/***/ function(module, exports) {
3232
3233	'use strict';
3234
3235	var alphabet = '0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz-_'.split('')
3236	  , length = 64
3237	  , map = {}
3238	  , seed = 0
3239	  , i = 0
3240	  , prev;
3241
3242	/**
3243	 * Return a string representing the specified number.
3244	 *
3245	 * @param {Number} num The number to convert.
3246	 * @returns {String} The string representation of the number.
3247	 * @api public
3248	 */
3249	function encode(num) {
3250	  var encoded = '';
3251
3252	  do {
3253	    encoded = alphabet[num % length] + encoded;
3254	    num = Math.floor(num / length);
3255	  } while (num > 0);
3256
3257	  return encoded;
3258	}
3259
3260	/**
3261	 * Return the integer value specified by the given string.
3262	 *
3263	 * @param {String} str The string to convert.
3264	 * @returns {Number} The integer value represented by the string.
3265	 * @api public
3266	 */
3267	function decode(str) {
3268	  var decoded = 0;
3269
3270	  for (i = 0; i < str.length; i++) {
3271	    decoded = decoded * length + map[str.charAt(i)];
3272	  }
3273
3274	  return decoded;
3275	}
3276
3277	/**
3278	 * Yeast: A tiny growing id generator.
3279	 *
3280	 * @returns {String} A unique id.
3281	 * @api public
3282	 */
3283	function yeast() {
3284	  var now = encode(+new Date());
3285
3286	  if (now !== prev) return seed = 0, prev = now;
3287	  return now +'.'+ encode(seed++);
3288	}
3289
3290	//
3291	// Map each character to its index.
3292	//
3293	for (; i < length; i++) map[alphabet[i]] = i;
3294
3295	//
3296	// Expose the `yeast`, `encode` and `decode` functions.
3297	//
3298	yeast.encode = encode;
3299	yeast.decode = decode;
3300	module.exports = yeast;
3301
3302
3303/***/ },
3304/* 23 */
3305/***/ function(module, exports, __webpack_require__) {
3306
3307	/* WEBPACK VAR INJECTION */(function(process) {
3308	/**
3309	 * This is the web browser implementation of `debug()`.
3310	 *
3311	 * Expose `debug()` as the module.
3312	 */
3313
3314	exports = module.exports = __webpack_require__(25);
3315	exports.log = log;
3316	exports.formatArgs = formatArgs;
3317	exports.save = save;
3318	exports.load = load;
3319	exports.useColors = useColors;
3320	exports.storage = 'undefined' != typeof chrome
3321	               && 'undefined' != typeof chrome.storage
3322	                  ? chrome.storage.local
3323	                  : localstorage();
3324
3325	/**
3326	 * Colors.
3327	 */
3328
3329	exports.colors = [
3330	  'lightseagreen',
3331	  'forestgreen',
3332	  'goldenrod',
3333	  'dodgerblue',
3334	  'darkorchid',
3335	  'crimson'
3336	];
3337
3338	/**
3339	 * Currently only WebKit-based Web Inspectors, Firefox >= v31,
3340	 * and the Firebug extension (any Firefox version) are known
3341	 * to support "%c" CSS customizations.
3342	 *
3343	 * TODO: add a `localStorage` variable to explicitly enable/disable colors
3344	 */
3345
3346	function useColors() {
3347	  // is webkit? http://stackoverflow.com/a/16459606/376773
3348	  // document is undefined in react-native: https://github.com/facebook/react-native/pull/1632
3349	  return (typeof document !== 'undefined' && 'WebkitAppearance' in document.documentElement.style) ||
3350	    // is firebug? http://stackoverflow.com/a/398120/376773
3351	    (window.console && (console.firebug || (console.exception && console.table))) ||
3352	    // is firefox >= v31?
3353	    // https://developer.mozilla.org/en-US/docs/Tools/Web_Console#Styling_messages
3354	    (navigator.userAgent.toLowerCase().match(/firefox\/(\d+)/) && parseInt(RegExp.$1, 10) >= 31);
3355	}
3356
3357	/**
3358	 * Map %j to `JSON.stringify()`, since no Web Inspectors do that by default.
3359	 */
3360
3361	exports.formatters.j = function(v) {
3362	  try {
3363	    return JSON.stringify(v);
3364	  } catch (err) {
3365	    return '[UnexpectedJSONParseError]: ' + err.message;
3366	  }
3367	};
3368
3369
3370	/**
3371	 * Colorize log arguments if enabled.
3372	 *
3373	 * @api public
3374	 */
3375
3376	function formatArgs() {
3377	  var args = arguments;
3378	  var useColors = this.useColors;
3379
3380	  args[0] = (useColors ? '%c' : '')
3381	    + this.namespace
3382	    + (useColors ? ' %c' : ' ')
3383	    + args[0]
3384	    + (useColors ? '%c ' : ' ')
3385	    + '+' + exports.humanize(this.diff);
3386
3387	  if (!useColors) return args;
3388
3389	  var c = 'color: ' + this.color;
3390	  args = [args[0], c, 'color: inherit'].concat(Array.prototype.slice.call(args, 1));
3391
3392	  // the final "%c" is somewhat tricky, because there could be other
3393	  // arguments passed either before or after the %c, so we need to
3394	  // figure out the correct index to insert the CSS into
3395	  var index = 0;
3396	  var lastC = 0;
3397	  args[0].replace(/%[a-z%]/g, function(match) {
3398	    if ('%%' === match) return;
3399	    index++;
3400	    if ('%c' === match) {
3401	      // we only are interested in the *last* %c
3402	      // (the user may have provided their own)
3403	      lastC = index;
3404	    }
3405	  });
3406
3407	  args.splice(lastC, 0, c);
3408	  return args;
3409	}
3410
3411	/**
3412	 * Invokes `console.log()` when available.
3413	 * No-op when `console.log` is not a "function".
3414	 *
3415	 * @api public
3416	 */
3417
3418	function log() {
3419	  // this hackery is required for IE8/9, where
3420	  // the `console.log` function doesn't have 'apply'
3421	  return 'object' === typeof console
3422	    && console.log
3423	    && Function.prototype.apply.call(console.log, console, arguments);
3424	}
3425
3426	/**
3427	 * Save `namespaces`.
3428	 *
3429	 * @param {String} namespaces
3430	 * @api private
3431	 */
3432
3433	function save(namespaces) {
3434	  try {
3435	    if (null == namespaces) {
3436	      exports.storage.removeItem('debug');
3437	    } else {
3438	      exports.storage.debug = namespaces;
3439	    }
3440	  } catch(e) {}
3441	}
3442
3443	/**
3444	 * Load `namespaces`.
3445	 *
3446	 * @return {String} returns the previously persisted debug modes
3447	 * @api private
3448	 */
3449
3450	function load() {
3451	  var r;
3452	  try {
3453	    return exports.storage.debug;
3454	  } catch(e) {}
3455
3456	  // If debug isn't set in LS, and we're in Electron, try to load $DEBUG
3457	  if (typeof process !== 'undefined' && 'env' in process) {
3458	    return process.env.DEBUG;
3459	  }
3460	}
3461
3462	/**
3463	 * Enable namespaces listed in `localStorage.debug` initially.
3464	 */
3465
3466	exports.enable(load());
3467
3468	/**
3469	 * Localstorage attempts to return the localstorage.
3470	 *
3471	 * This is necessary because safari throws
3472	 * when a user disables cookies/localstorage
3473	 * and you attempt to access it.
3474	 *
3475	 * @return {LocalStorage}
3476	 * @api private
3477	 */
3478
3479	function localstorage(){
3480	  try {
3481	    return window.localStorage;
3482	  } catch (e) {}
3483	}
3484
3485	/* WEBPACK VAR INJECTION */}.call(exports, __webpack_require__(24)))
3486
3487/***/ },
3488/* 24 */
3489/***/ function(module, exports) {
3490
3491	// shim for using process in browser
3492	var process = module.exports = {};
3493
3494	// cached from whatever global is present so that test runners that stub it
3495	// don't break things.  But we need to wrap it in a try catch in case it is
3496	// wrapped in strict mode code which doesn't define any globals.  It's inside a
3497	// function because try/catches deoptimize in certain engines.
3498
3499	var cachedSetTimeout;
3500	var cachedClearTimeout;
3501
3502	function defaultSetTimout() {
3503	    throw new Error('setTimeout has not been defined');
3504	}
3505	function defaultClearTimeout () {
3506	    throw new Error('clearTimeout has not been defined');
3507	}
3508	(function () {
3509	    try {
3510	        if (typeof setTimeout === 'function') {
3511	            cachedSetTimeout = setTimeout;
3512	        } else {
3513	            cachedSetTimeout = defaultSetTimout;
3514	        }
3515	    } catch (e) {
3516	        cachedSetTimeout = defaultSetTimout;
3517	    }
3518	    try {
3519	        if (typeof clearTimeout === 'function') {
3520	            cachedClearTimeout = clearTimeout;
3521	        } else {
3522	            cachedClearTimeout = defaultClearTimeout;
3523	        }
3524	    } catch (e) {
3525	        cachedClearTimeout = defaultClearTimeout;
3526	    }
3527	} ())
3528	function runTimeout(fun) {
3529	    if (cachedSetTimeout === setTimeout) {
3530	        //normal enviroments in sane situations
3531	        return setTimeout(fun, 0);
3532	    }
3533	    // if setTimeout wasn't available but was latter defined
3534	    if ((cachedSetTimeout === defaultSetTimout || !cachedSetTimeout) && setTimeout) {
3535	        cachedSetTimeout = setTimeout;
3536	        return setTimeout(fun, 0);
3537	    }
3538	    try {
3539	        // when when somebody has screwed with setTimeout but no I.E. maddness
3540	        return cachedSetTimeout(fun, 0);
3541	    } catch(e){
3542	        try {
3543	            // When we are in I.E. but the script has been evaled so I.E. doesn't trust the global object when called normally
3544	            return cachedSetTimeout.call(null, fun, 0);
3545	        } catch(e){
3546	            // same as above but when it's a version of I.E. that must have the global object for 'this', hopfully our context correct otherwise it will throw a global error
3547	            return cachedSetTimeout.call(this, fun, 0);
3548	        }
3549	    }
3550
3551
3552	}
3553	function runClearTimeout(marker) {
3554	    if (cachedClearTimeout === clearTimeout) {
3555	        //normal enviroments in sane situations
3556	        return clearTimeout(marker);
3557	    }
3558	    // if clearTimeout wasn't available but was latter defined
3559	    if ((cachedClearTimeout === defaultClearTimeout || !cachedClearTimeout) && clearTimeout) {
3560	        cachedClearTimeout = clearTimeout;
3561	        return clearTimeout(marker);
3562	    }
3563	    try {
3564	        // when when somebody has screwed with setTimeout but no I.E. maddness
3565	        return cachedClearTimeout(marker);
3566	    } catch (e){
3567	        try {
3568	            // When we are in I.E. but the script has been evaled so I.E. doesn't  trust the global object when called normally
3569	            return cachedClearTimeout.call(null, marker);
3570	        } catch (e){
3571	            // same as above but when it's a version of I.E. that must have the global object for 'this', hopfully our context correct otherwise it will throw a global error.
3572	            // Some versions of I.E. have different rules for clearTimeout vs setTimeout
3573	            return cachedClearTimeout.call(this, marker);
3574	        }
3575	    }
3576
3577
3578
3579	}
3580	var queue = [];
3581	var draining = false;
3582	var currentQueue;
3583	var queueIndex = -1;
3584
3585	function cleanUpNextTick() {
3586	    if (!draining || !currentQueue) {
3587	        return;
3588	    }
3589	    draining = false;
3590	    if (currentQueue.length) {
3591	        queue = currentQueue.concat(queue);
3592	    } else {
3593	        queueIndex = -1;
3594	    }
3595	    if (queue.length) {
3596	        drainQueue();
3597	    }
3598	}
3599
3600	function drainQueue() {
3601	    if (draining) {
3602	        return;
3603	    }
3604	    var timeout = runTimeout(cleanUpNextTick);
3605	    draining = true;
3606
3607	    var len = queue.length;
3608	    while(len) {
3609	        currentQueue = queue;
3610	        queue = [];
3611	        while (++queueIndex < len) {
3612	            if (currentQueue) {
3613	                currentQueue[queueIndex].run();
3614	            }
3615	        }
3616	        queueIndex = -1;
3617	        len = queue.length;
3618	    }
3619	    currentQueue = null;
3620	    draining = false;
3621	    runClearTimeout(timeout);
3622	}
3623
3624	process.nextTick = function (fun) {
3625	    var args = new Array(arguments.length - 1);
3626	    if (arguments.length > 1) {
3627	        for (var i = 1; i < arguments.length; i++) {
3628	            args[i - 1] = arguments[i];
3629	        }
3630	    }
3631	    queue.push(new Item(fun, args));
3632	    if (queue.length === 1 && !draining) {
3633	        runTimeout(drainQueue);
3634	    }
3635	};
3636
3637	// v8 likes predictible objects
3638	function Item(fun, array) {
3639	    this.fun = fun;
3640	    this.array = array;
3641	}
3642	Item.prototype.run = function () {
3643	    this.fun.apply(null, this.array);
3644	};
3645	process.title = 'browser';
3646	process.browser = true;
3647	process.env = {};
3648	process.argv = [];
3649	process.version = ''; // empty string to avoid regexp issues
3650	process.versions = {};
3651
3652	function noop() {}
3653
3654	process.on = noop;
3655	process.addListener = noop;
3656	process.once = noop;
3657	process.off = noop;
3658	process.removeListener = noop;
3659	process.removeAllListeners = noop;
3660	process.emit = noop;
3661
3662	process.binding = function (name) {
3663	    throw new Error('process.binding is not supported');
3664	};
3665
3666	process.cwd = function () { return '/' };
3667	process.chdir = function (dir) {
3668	    throw new Error('process.chdir is not supported');
3669	};
3670	process.umask = function() { return 0; };
3671
3672
3673/***/ },
3674/* 25 */
3675/***/ function(module, exports, __webpack_require__) {
3676
3677	
3678	/**
3679	 * This is the common logic for both the Node.js and web browser
3680	 * implementations of `debug()`.
3681	 *
3682	 * Expose `debug()` as the module.
3683	 */
3684
3685	exports = module.exports = debug.debug = debug;
3686	exports.coerce = coerce;
3687	exports.disable = disable;
3688	exports.enable = enable;
3689	exports.enabled = enabled;
3690	exports.humanize = __webpack_require__(26);
3691
3692	/**
3693	 * The currently active debug mode names, and names to skip.
3694	 */
3695
3696	exports.names = [];
3697	exports.skips = [];
3698
3699	/**
3700	 * Map of special "%n" handling functions, for the debug "format" argument.
3701	 *
3702	 * Valid key names are a single, lowercased letter, i.e. "n".
3703	 */
3704
3705	exports.formatters = {};
3706
3707	/**
3708	 * Previously assigned color.
3709	 */
3710
3711	var prevColor = 0;
3712
3713	/**
3714	 * Previous log timestamp.
3715	 */
3716
3717	var prevTime;
3718
3719	/**
3720	 * Select a color.
3721	 *
3722	 * @return {Number}
3723	 * @api private
3724	 */
3725
3726	function selectColor() {
3727	  return exports.colors[prevColor++ % exports.colors.length];
3728	}
3729
3730	/**
3731	 * Create a debugger with the given `namespace`.
3732	 *
3733	 * @param {String} namespace
3734	 * @return {Function}
3735	 * @api public
3736	 */
3737
3738	function debug(namespace) {
3739
3740	  // define the `disabled` version
3741	  function disabled() {
3742	  }
3743	  disabled.enabled = false;
3744
3745	  // define the `enabled` version
3746	  function enabled() {
3747
3748	    var self = enabled;
3749
3750	    // set `diff` timestamp
3751	    var curr = +new Date();
3752	    var ms = curr - (prevTime || curr);
3753	    self.diff = ms;
3754	    self.prev = prevTime;
3755	    self.curr = curr;
3756	    prevTime = curr;
3757
3758	    // add the `color` if not set
3759	    if (null == self.useColors) self.useColors = exports.useColors();
3760	    if (null == self.color && self.useColors) self.color = selectColor();
3761
3762	    var args = new Array(arguments.length);
3763	    for (var i = 0; i < args.length; i++) {
3764	      args[i] = arguments[i];
3765	    }
3766
3767	    args[0] = exports.coerce(args[0]);
3768
3769	    if ('string' !== typeof args[0]) {
3770	      // anything else let's inspect with %o
3771	      args = ['%o'].concat(args);
3772	    }
3773
3774	    // apply any `formatters` transformations
3775	    var index = 0;
3776	    args[0] = args[0].replace(/%([a-z%])/g, function(match, format) {
3777	      // if we encounter an escaped % then don't increase the array index
3778	      if (match === '%%') return match;
3779	      index++;
3780	      var formatter = exports.formatters[format];
3781	      if ('function' === typeof formatter) {
3782	        var val = args[index];
3783	        match = formatter.call(self, val);
3784
3785	        // now we need to remove `args[index]` since it's inlined in the `format`
3786	        args.splice(index, 1);
3787	        index--;
3788	      }
3789	      return match;
3790	    });
3791
3792	    // apply env-specific formatting
3793	    args = exports.formatArgs.apply(self, args);
3794
3795	    var logFn = enabled.log || exports.log || console.log.bind(console);
3796	    logFn.apply(self, args);
3797	  }
3798	  enabled.enabled = true;
3799
3800	  var fn = exports.enabled(namespace) ? enabled : disabled;
3801
3802	  fn.namespace = namespace;
3803
3804	  return fn;
3805	}
3806
3807	/**
3808	 * Enables a debug mode by namespaces. This can include modes
3809	 * separated by a colon and wildcards.
3810	 *
3811	 * @param {String} namespaces
3812	 * @api public
3813	 */
3814
3815	function enable(namespaces) {
3816	  exports.save(namespaces);
3817
3818	  var split = (namespaces || '').split(/[\s,]+/);
3819	  var len = split.length;
3820
3821	  for (var i = 0; i < len; i++) {
3822	    if (!split[i]) continue; // ignore empty strings
3823	    namespaces = split[i].replace(/[\\^$+?.()|[\]{}]/g, '\\$&').replace(/\*/g, '.*?');
3824	    if (namespaces[0] === '-') {
3825	      exports.skips.push(new RegExp('^' + namespaces.substr(1) + '$'));
3826	    } else {
3827	      exports.names.push(new RegExp('^' + namespaces + '$'));
3828	    }
3829	  }
3830	}
3831
3832	/**
3833	 * Disable debug output.
3834	 *
3835	 * @api public
3836	 */
3837
3838	function disable() {
3839	  exports.enable('');
3840	}
3841
3842	/**
3843	 * Returns true if the given mode name is enabled, false otherwise.
3844	 *
3845	 * @param {String} name
3846	 * @return {Boolean}
3847	 * @api public
3848	 */
3849
3850	function enabled(name) {
3851	  var i, len;
3852	  for (i = 0, len = exports.skips.length; i < len; i++) {
3853	    if (exports.skips[i].test(name)) {
3854	      return false;
3855	    }
3856	  }
3857	  for (i = 0, len = exports.names.length; i < len; i++) {
3858	    if (exports.names[i].test(name)) {
3859	      return true;
3860	    }
3861	  }
3862	  return false;
3863	}
3864
3865	/**
3866	 * Coerce `val`.
3867	 *
3868	 * @param {Mixed} val
3869	 * @return {Mixed}
3870	 * @api private
3871	 */
3872
3873	function coerce(val) {
3874	  if (val instanceof Error) return val.stack || val.message;
3875	  return val;
3876	}
3877
3878
3879/***/ },
3880/* 26 */
3881/***/ function(module, exports) {
3882
3883	/**
3884	 * Helpers.
3885	 */
3886
3887	var s = 1000
3888	var m = s * 60
3889	var h = m * 60
3890	var d = h * 24
3891	var y = d * 365.25
3892
3893	/**
3894	 * Parse or format the given `val`.
3895	 *
3896	 * Options:
3897	 *
3898	 *  - `long` verbose formatting [false]
3899	 *
3900	 * @param {String|Number} val
3901	 * @param {Object} options
3902	 * @throws {Error} throw an error if val is not a non-empty string or a number
3903	 * @return {String|Number}
3904	 * @api public
3905	 */
3906
3907	module.exports = function (val, options) {
3908	  options = options || {}
3909	  var type = typeof val
3910	  if (type === 'string' && val.length > 0) {
3911	    return parse(val)
3912	  } else if (type === 'number' && isNaN(val) === false) {
3913	    return options.long ?
3914				fmtLong(val) :
3915				fmtShort(val)
3916	  }
3917	  throw new Error('val is not a non-empty string or a valid number. val=' + JSON.stringify(val))
3918	}
3919
3920	/**
3921	 * Parse the given `str` and return milliseconds.
3922	 *
3923	 * @param {String} str
3924	 * @return {Number}
3925	 * @api private
3926	 */
3927
3928	function parse(str) {
3929	  str = String(str)
3930	  if (str.length > 10000) {
3931	    return
3932	  }
3933	  var match = /^((?:\d+)?\.?\d+) *(milliseconds?|msecs?|ms|seconds?|secs?|s|minutes?|mins?|m|hours?|hrs?|h|days?|d|years?|yrs?|y)?$/i.exec(str)
3934	  if (!match) {
3935	    return
3936	  }
3937	  var n = parseFloat(match[1])
3938	  var type = (match[2] || 'ms').toLowerCase()
3939	  switch (type) {
3940	    case 'years':
3941	    case 'year':
3942	    case 'yrs':
3943	    case 'yr':
3944	    case 'y':
3945	      return n * y
3946	    case 'days':
3947	    case 'day':
3948	    case 'd':
3949	      return n * d
3950	    case 'hours':
3951	    case 'hour':
3952	    case 'hrs':
3953	    case 'hr':
3954	    case 'h':
3955	      return n * h
3956	    case 'minutes':
3957	    case 'minute':
3958	    case 'mins':
3959	    case 'min':
3960	    case 'm':
3961	      return n * m
3962	    case 'seconds':
3963	    case 'second':
3964	    case 'secs':
3965	    case 'sec':
3966	    case 's':
3967	      return n * s
3968	    case 'milliseconds':
3969	    case 'millisecond':
3970	    case 'msecs':
3971	    case 'msec':
3972	    case 'ms':
3973	      return n
3974	    default:
3975	      return undefined
3976	  }
3977	}
3978
3979	/**
3980	 * Short format for `ms`.
3981	 *
3982	 * @param {Number} ms
3983	 * @return {String}
3984	 * @api private
3985	 */
3986
3987	function fmtShort(ms) {
3988	  if (ms >= d) {
3989	    return Math.round(ms / d) + 'd'
3990	  }
3991	  if (ms >= h) {
3992	    return Math.round(ms / h) + 'h'
3993	  }
3994	  if (ms >= m) {
3995	    return Math.round(ms / m) + 'm'
3996	  }
3997	  if (ms >= s) {
3998	    return Math.round(ms / s) + 's'
3999	  }
4000	  return ms + 'ms'
4001	}
4002
4003	/**
4004	 * Long format for `ms`.
4005	 *
4006	 * @param {Number} ms
4007	 * @return {String}
4008	 * @api private
4009	 */
4010
4011	function fmtLong(ms) {
4012	  return plural(ms, d, 'day') ||
4013	    plural(ms, h, 'hour') ||
4014	    plural(ms, m, 'minute') ||
4015	    plural(ms, s, 'second') ||
4016	    ms + ' ms'
4017	}
4018
4019	/**
4020	 * Pluralization helper.
4021	 */
4022
4023	function plural(ms, n, name) {
4024	  if (ms < n) {
4025	    return
4026	  }
4027	  if (ms < n * 1.5) {
4028	    return Math.floor(ms / n) + ' ' + name
4029	  }
4030	  return Math.ceil(ms / n) + ' ' + name + 's'
4031	}
4032
4033
4034/***/ },
4035/* 27 */
4036/***/ function(module, exports, __webpack_require__) {
4037
4038	/* WEBPACK VAR INJECTION */(function(global) {'use strict';
4039
4040	/**
4041	 * Module requirements.
4042	 */
4043
4044	var Polling = __webpack_require__(7);
4045	var inherit = __webpack_require__(21);
4046
4047	/**
4048	 * Module exports.
4049	 */
4050
4051	module.exports = JSONPPolling;
4052
4053	/**
4054	 * Cached regular expressions.
4055	 */
4056
4057	var rNewline = /\n/g;
4058	var rEscapedNewline = /\\n/g;
4059
4060	/**
4061	 * Global JSONP callbacks.
4062	 */
4063
4064	var callbacks;
4065
4066	/**
4067	 * Noop.
4068	 */
4069
4070	function empty() {}
4071
4072	/**
4073	 * JSONP Polling constructor.
4074	 *
4075	 * @param {Object} opts.
4076	 * @api public
4077	 */
4078
4079	function JSONPPolling(opts) {
4080	  Polling.call(this, opts);
4081
4082	  this.query = this.query || {};
4083
4084	  // define global callbacks array if not present
4085	  // we do this here (lazily) to avoid unneeded global pollution
4086	  if (!callbacks) {
4087	    // we need to consider multiple engines in the same page
4088	    if (!global.___eio) global.___eio = [];
4089	    callbacks = global.___eio;
4090	  }
4091
4092	  // callback identifier
4093	  this.index = callbacks.length;
4094
4095	  // add callback to jsonp global
4096	  var self = this;
4097	  callbacks.push(function (msg) {
4098	    self.onData(msg);
4099	  });
4100
4101	  // append to query string
4102	  this.query.j = this.index;
4103
4104	  // prevent spurious errors from being emitted when the window is unloaded
4105	  if (global.document && global.addEventListener) {
4106	    global.addEventListener('beforeunload', function () {
4107	      if (self.script) self.script.onerror = empty;
4108	    }, false);
4109	  }
4110	}
4111
4112	/**
4113	 * Inherits from Polling.
4114	 */
4115
4116	inherit(JSONPPolling, Polling);
4117
4118	/*
4119	 * JSONP only supports binary as base64 encoded strings
4120	 */
4121
4122	JSONPPolling.prototype.supportsBinary = false;
4123
4124	/**
4125	 * Closes the socket.
4126	 *
4127	 * @api private
4128	 */
4129
4130	JSONPPolling.prototype.doClose = function () {
4131	  if (this.script) {
4132	    this.script.parentNode.removeChild(this.script);
4133	    this.script = null;
4134	  }
4135
4136	  if (this.form) {
4137	    this.form.parentNode.removeChild(this.form);
4138	    this.form = null;
4139	    this.iframe = null;
4140	  }
4141
4142	  Polling.prototype.doClose.call(this);
4143	};
4144
4145	/**
4146	 * Starts a poll cycle.
4147	 *
4148	 * @api private
4149	 */
4150
4151	JSONPPolling.prototype.doPoll = function () {
4152	  var self = this;
4153	  var script = document.createElement('script');
4154
4155	  if (this.script) {
4156	    this.script.parentNode.removeChild(this.script);
4157	    this.script = null;
4158	  }
4159
4160	  script.async = true;
4161	  script.src = this.uri();
4162	  script.onerror = function (e) {
4163	    self.onError('jsonp poll error', e);
4164	  };
4165
4166	  var insertAt = document.getElementsByTagName('script')[0];
4167	  if (insertAt) {
4168	    insertAt.parentNode.insertBefore(script, insertAt);
4169	  } else {
4170	    (document.head || document.body).appendChild(script);
4171	  }
4172	  this.script = script;
4173
4174	  var isUAgecko = 'undefined' !== typeof navigator && /gecko/i.test(navigator.userAgent);
4175
4176	  if (isUAgecko) {
4177	    setTimeout(function () {
4178	      var iframe = document.createElement('iframe');
4179	      document.body.appendChild(iframe);
4180	      document.body.removeChild(iframe);
4181	    }, 100);
4182	  }
4183	};
4184
4185	/**
4186	 * Writes with a hidden iframe.
4187	 *
4188	 * @param {String} data to send
4189	 * @param {Function} called upon flush.
4190	 * @api private
4191	 */
4192
4193	JSONPPolling.prototype.doWrite = function (data, fn) {
4194	  var self = this;
4195
4196	  if (!this.form) {
4197	    var form = document.createElement('form');
4198	    var area = document.createElement('textarea');
4199	    var id = this.iframeId = 'eio_iframe_' + this.index;
4200	    var iframe;
4201
4202	    form.className = 'socketio';
4203	    form.style.position = 'absolute';
4204	    form.style.top = '-1000px';
4205	    form.style.left = '-1000px';
4206	    form.target = id;
4207	    form.method = 'POST';
4208	    form.setAttribute('accept-charset', 'utf-8');
4209	    area.name = 'd';
4210	    form.appendChild(area);
4211	    document.body.appendChild(form);
4212
4213	    this.form = form;
4214	    this.area = area;
4215	  }
4216
4217	  this.form.action = this.uri();
4218
4219	  function complete() {
4220	    initIframe();
4221	    fn();
4222	  }
4223
4224	  function initIframe() {
4225	    if (self.iframe) {
4226	      try {
4227	        self.form.removeChild(self.iframe);
4228	      } catch (e) {
4229	        self.onError('jsonp polling iframe removal error', e);
4230	      }
4231	    }
4232
4233	    try {
4234	      // ie6 dynamic iframes with target="" support (thanks Chris Lambacher)
4235	      var html = '<iframe src="javascript:0" name="' + self.iframeId + '">';
4236	      iframe = document.createElement(html);
4237	    } catch (e) {
4238	      iframe = document.createElement('iframe');
4239	      iframe.name = self.iframeId;
4240	      iframe.src = 'javascript:0';
4241	    }
4242
4243	    iframe.id = self.iframeId;
4244
4245	    self.form.appendChild(iframe);
4246	    self.iframe = iframe;
4247	  }
4248
4249	  initIframe();
4250
4251	  // escape \n to prevent it from being converted into \r\n by some UAs
4252	  // double escaping is required for escaped new lines because unescaping of new lines can be done safely on server-side
4253	  data = data.replace(rEscapedNewline, '\\\n');
4254	  this.area.value = data.replace(rNewline, '\\n');
4255
4256	  try {
4257	    this.form.submit();
4258	  } catch (e) {}
4259
4260	  if (this.iframe.attachEvent) {
4261	    this.iframe.onreadystatechange = function () {
4262	      if (self.iframe.readyState === 'complete') {
4263	        complete();
4264	      }
4265	    };
4266	  } else {
4267	    this.iframe.onload = complete;
4268	  }
4269	};
4270	/* WEBPACK VAR INJECTION */}.call(exports, (function() { return this; }())))
4271
4272/***/ },
4273/* 28 */
4274/***/ function(module, exports, __webpack_require__) {
4275
4276	/* WEBPACK VAR INJECTION */(function(global) {'use strict';
4277
4278	/**
4279	 * Module dependencies.
4280	 */
4281
4282	var Transport = __webpack_require__(8);
4283	var parser = __webpack_require__(9);
4284	var parseqs = __webpack_require__(20);
4285	var inherit = __webpack_require__(21);
4286	var yeast = __webpack_require__(22);
4287	var debug = __webpack_require__(23)('engine.io-client:websocket');
4288	var BrowserWebSocket = global.WebSocket || global.MozWebSocket;
4289	var NodeWebSocket;
4290	if (typeof window === 'undefined') {
4291	  try {
4292	    NodeWebSocket = __webpack_require__(29);
4293	  } catch (e) {}
4294	}
4295
4296	/**
4297	 * Get either the `WebSocket` or `MozWebSocket` globals
4298	 * in the browser or try to resolve WebSocket-compatible
4299	 * interface exposed by `ws` for Node-like environment.
4300	 */
4301
4302	var WebSocket = BrowserWebSocket;
4303	if (!WebSocket && typeof window === 'undefined') {
4304	  WebSocket = NodeWebSocket;
4305	}
4306
4307	/**
4308	 * Module exports.
4309	 */
4310
4311	module.exports = WS;
4312
4313	/**
4314	 * WebSocket transport constructor.
4315	 *
4316	 * @api {Object} connection options
4317	 * @api public
4318	 */
4319
4320	function WS(opts) {
4321	  var forceBase64 = opts && opts.forceBase64;
4322	  if (forceBase64) {
4323	    this.supportsBinary = false;
4324	  }
4325	  this.perMessageDeflate = opts.perMessageDeflate;
4326	  this.usingBrowserWebSocket = BrowserWebSocket && !opts.forceNode;
4327	  if (!this.usingBrowserWebSocket) {
4328	    WebSocket = NodeWebSocket;
4329	  }
4330	  Transport.call(this, opts);
4331	}
4332
4333	/**
4334	 * Inherits from Transport.
4335	 */
4336
4337	inherit(WS, Transport);
4338
4339	/**
4340	 * Transport name.
4341	 *
4342	 * @api public
4343	 */
4344
4345	WS.prototype.name = 'websocket';
4346
4347	/*
4348	 * WebSockets support binary
4349	 */
4350
4351	WS.prototype.supportsBinary = true;
4352
4353	/**
4354	 * Opens socket.
4355	 *
4356	 * @api private
4357	 */
4358
4359	WS.prototype.doOpen = function () {
4360	  if (!this.check()) {
4361	    // let probe timeout
4362	    return;
4363	  }
4364
4365	  var uri = this.uri();
4366	  var protocols = void 0;
4367	  var opts = {
4368	    agent: this.agent,
4369	    perMessageDeflate: this.perMessageDeflate
4370	  };
4371
4372	  // SSL options for Node.js client
4373	  opts.pfx = this.pfx;
4374	  opts.key = this.key;
4375	  opts.passphrase = this.passphrase;
4376	  opts.cert = this.cert;
4377	  opts.ca = this.ca;
4378	  opts.ciphers = this.ciphers;
4379	  opts.rejectUnauthorized = this.rejectUnauthorized;
4380	  if (this.extraHeaders) {
4381	    opts.headers = this.extraHeaders;
4382	  }
4383	  if (this.localAddress) {
4384	    opts.localAddress = this.localAddress;
4385	  }
4386
4387	  try {
4388	    this.ws = this.usingBrowserWebSocket ? new WebSocket(uri) : new WebSocket(uri, protocols, opts);
4389	  } catch (err) {
4390	    return this.emit('error', err);
4391	  }
4392
4393	  if (this.ws.binaryType === undefined) {
4394	    this.supportsBinary = false;
4395	  }
4396
4397	  if (this.ws.supports && this.ws.supports.binary) {
4398	    this.supportsBinary = true;
4399	    this.ws.binaryType = 'nodebuffer';
4400	  } else {
4401	    this.ws.binaryType = 'arraybuffer';
4402	  }
4403
4404	  this.addEventListeners();
4405	};
4406
4407	/**
4408	 * Adds event listeners to the socket
4409	 *
4410	 * @api private
4411	 */
4412
4413	WS.prototype.addEventListeners = function () {
4414	  var self = this;
4415
4416	  this.ws.onopen = function () {
4417	    self.onOpen();
4418	  };
4419	  this.ws.onclose = function () {
4420	    self.onClose();
4421	  };
4422	  this.ws.onmessage = function (ev) {
4423	    self.onData(ev.data);
4424	  };
4425	  this.ws.onerror = function (e) {
4426	    self.onError('websocket error', e);
4427	  };
4428	};
4429
4430	/**
4431	 * Writes data to socket.
4432	 *
4433	 * @param {Array} array of packets.
4434	 * @api private
4435	 */
4436
4437	WS.prototype.write = function (packets) {
4438	  var self = this;
4439	  this.writable = false;
4440
4441	  // encodePacket efficient as it uses WS framing
4442	  // no need for encodePayload
4443	  var total = packets.length;
4444	  for (var i = 0, l = total; i < l; i++) {
4445	    (function (packet) {
4446	      parser.encodePacket(packet, self.supportsBinary, function (data) {
4447	        if (!self.usingBrowserWebSocket) {
4448	          // always create a new object (GH-437)
4449	          var opts = {};
4450	          if (packet.options) {
4451	            opts.compress = packet.options.compress;
4452	          }
4453
4454	          if (self.perMessageDeflate) {
4455	            var len = 'string' === typeof data ? global.Buffer.byteLength(data) : data.length;
4456	            if (len < self.perMessageDeflate.threshold) {
4457	              opts.compress = false;
4458	            }
4459	          }
4460	        }
4461
4462	        // Sometimes the websocket has already been closed but the browser didn't
4463	        // have a chance of informing us about it yet, in that case send will
4464	        // throw an error
4465	        try {
4466	          if (self.usingBrowserWebSocket) {
4467	            // TypeError is thrown when passing the second argument on Safari
4468	            self.ws.send(data);
4469	          } else {
4470	            self.ws.send(data, opts);
4471	          }
4472	        } catch (e) {
4473	          debug('websocket closed before onclose event');
4474	        }
4475
4476	        --total || done();
4477	      });
4478	    })(packets[i]);
4479	  }
4480
4481	  function done() {
4482	    self.emit('flush');
4483
4484	    // fake drain
4485	    // defer to next tick to allow Socket to clear writeBuffer
4486	    setTimeout(function () {
4487	      self.writable = true;
4488	      self.emit('drain');
4489	    }, 0);
4490	  }
4491	};
4492
4493	/**
4494	 * Called upon close
4495	 *
4496	 * @api private
4497	 */
4498
4499	WS.prototype.onClose = function () {
4500	  Transport.prototype.onClose.call(this);
4501	};
4502
4503	/**
4504	 * Closes socket.
4505	 *
4506	 * @api private
4507	 */
4508
4509	WS.prototype.doClose = function () {
4510	  if (typeof this.ws !== 'undefined') {
4511	    this.ws.close();
4512	  }
4513	};
4514
4515	/**
4516	 * Generates uri for connection.
4517	 *
4518	 * @api private
4519	 */
4520
4521	WS.prototype.uri = function () {
4522	  var query = this.query || {};
4523	  var schema = this.secure ? 'wss' : 'ws';
4524	  var port = '';
4525
4526	  // avoid port if default for schema
4527	  if (this.port && ('wss' === schema && Number(this.port) !== 443 || 'ws' === schema && Number(this.port) !== 80)) {
4528	    port = ':' + this.port;
4529	  }
4530
4531	  // append timestamp to URI
4532	  if (this.timestampRequests) {
4533	    query[this.timestampParam] = yeast();
4534	  }
4535
4536	  // communicate binary support capabilities
4537	  if (!this.supportsBinary) {
4538	    query.b64 = 1;
4539	  }
4540
4541	  query = parseqs.encode(query);
4542
4543	  // prepend ? to query
4544	  if (query.length) {
4545	    query = '?' + query;
4546	  }
4547
4548	  var ipv6 = this.hostname.indexOf(':') !== -1;
4549	  return schema + '://' + (ipv6 ? '[' + this.hostname + ']' : this.hostname) + port + this.path + query;
4550	};
4551
4552	/**
4553	 * Feature detection for WebSocket.
4554	 *
4555	 * @return {Boolean} whether this transport is available.
4556	 * @api public
4557	 */
4558
4559	WS.prototype.check = function () {
4560	  return !!WebSocket && !('__initialize' in WebSocket && this.name === WS.prototype.name);
4561	};
4562	/* WEBPACK VAR INJECTION */}.call(exports, (function() { return this; }())))
4563
4564/***/ },
4565/* 29 */
4566/***/ function(module, exports) {
4567
4568	/* (ignored) */
4569
4570/***/ },
4571/* 30 */
4572/***/ function(module, exports) {
4573
4574	
4575	var indexOf = [].indexOf;
4576
4577	module.exports = function(arr, obj){
4578	  if (indexOf) return arr.indexOf(obj);
4579	  for (var i = 0; i < arr.length; ++i) {
4580	    if (arr[i] === obj) return i;
4581	  }
4582	  return -1;
4583	};
4584
4585/***/ },
4586/* 31 */
4587/***/ function(module, exports) {
4588
4589	/**
4590	 * Parses an URI
4591	 *
4592	 * @author Steven Levithan <stevenlevithan.com> (MIT license)
4593	 * @api private
4594	 */
4595
4596	var re = /^(?:(?![^:@]+:[^:@\/]*@)(http|https|ws|wss):\/\/)?((?:(([^:@]*)(?::([^:@]*))?)?@)?((?:[a-f0-9]{0,4}:){2,7}[a-f0-9]{0,4}|[^:\/?#]*)(?::(\d*))?)(((\/(?:[^?#](?![^?#\/]*\.[^?#\/.]+(?:[?#]|$)))*\/?)?([^?#\/]*))(?:\?([^#]*))?(?:#(.*))?)/;
4597
4598	var parts = [
4599	    'source', 'protocol', 'authority', 'userInfo', 'user', 'password', 'host', 'port', 'relative', 'path', 'directory', 'file', 'query', 'anchor'
4600	];
4601
4602	module.exports = function parseuri(str) {
4603	    var src = str,
4604	        b = str.indexOf('['),
4605	        e = str.indexOf(']');
4606
4607	    if (b != -1 && e != -1) {
4608	        str = str.substring(0, b) + str.substring(b, e).replace(/:/g, ';') + str.substring(e, str.length);
4609	    }
4610
4611	    var m = re.exec(str || ''),
4612	        uri = {},
4613	        i = 14;
4614
4615	    while (i--) {
4616	        uri[parts[i]] = m[i] || '';
4617	    }
4618
4619	    if (b != -1 && e != -1) {
4620	        uri.source = src;
4621	        uri.host = uri.host.substring(1, uri.host.length - 1).replace(/;/g, ':');
4622	        uri.authority = uri.authority.replace('[', '').replace(']', '').replace(/;/g, ':');
4623	        uri.ipv6uri = true;
4624	    }
4625
4626	    return uri;
4627	};
4628
4629
4630/***/ },
4631/* 32 */
4632/***/ function(module, exports) {
4633
4634	/* WEBPACK VAR INJECTION */(function(global) {/**
4635	 * JSON parse.
4636	 *
4637	 * @see Based on jQuery#parseJSON (MIT) and JSON2
4638	 * @api private
4639	 */
4640
4641	var rvalidchars = /^[\],:{}\s]*$/;
4642	var rvalidescape = /\\(?:["\\\/bfnrt]|u[0-9a-fA-F]{4})/g;
4643	var rvalidtokens = /"[^"\\\n\r]*"|true|false|null|-?\d+(?:\.\d*)?(?:[eE][+\-]?\d+)?/g;
4644	var rvalidbraces = /(?:^|:|,)(?:\s*\[)+/g;
4645	var rtrimLeft = /^\s+/;
4646	var rtrimRight = /\s+$/;
4647
4648	module.exports = function parsejson(data) {
4649	  if ('string' != typeof data || !data) {
4650	    return null;
4651	  }
4652
4653	  data = data.replace(rtrimLeft, '').replace(rtrimRight, '');
4654
4655	  // Attempt to parse using the native JSON parser first
4656	  if (global.JSON && JSON.parse) {
4657	    return JSON.parse(data);
4658	  }
4659
4660	  if (rvalidchars.test(data.replace(rvalidescape, '@')
4661	      .replace(rvalidtokens, ']')
4662	      .replace(rvalidbraces, ''))) {
4663	    return (new Function('return ' + data))();
4664	  }
4665	};
4666	/* WEBPACK VAR INJECTION */}.call(exports, (function() { return this; }())))
4667
4668/***/ }
4669/******/ ])
4670});
4671;