From 062fded4ccf116cbe4328320867f56eb009ed481 Mon Sep 17 00:00:00 2001
From: Pavel Djundik <github@xpaw.me>
Date: Sat, 5 Mar 2016 19:56:33 +0200
Subject: [PATCH] Update socket.io to 1.4.5 and use client library provided by
 the dependancy

---
 client/index.html           |    1 +
 client/js/libs/socket.io.js | 6172 -----------------------------------
 package.json                |    2 +-
 3 files changed, 2 insertions(+), 6173 deletions(-)
 delete mode 100644 client/js/libs/socket.io.js

diff --git a/client/index.html b/client/index.html
index 546588a3..43514042 100644
--- a/client/index.html
+++ b/client/index.html
@@ -328,6 +328,7 @@
 		<ul id="context-menu"></ul>
 	</div>
 
+	<script src="socket.io/socket.io.js"></script>
 	<script src="js/libs.min.js"></script>
 	<script src="js/lounge.templates.js"></script>
 	<script src="js/lounge.js"></script>
diff --git a/client/js/libs/socket.io.js b/client/js/libs/socket.io.js
deleted file mode 100644
index 8f1b2b9a..00000000
--- a/client/js/libs/socket.io.js
+++ /dev/null
@@ -1,6172 +0,0 @@
-!function(e){"object"==typeof exports?module.exports=e():"function"==typeof define&&define.amd?define(e):"undefined"!=typeof window?window.io=e():"undefined"!=typeof global?global.io=e():"undefined"!=typeof self&&(self.io=e())}(function(){var define,module,exports;
-return (function e(t,n,r){function s(o,u){if(!n[o]){if(!t[o]){var a=typeof require=="function"&&require;if(!u&&a)return a(o,!0);if(i)return i(o,!0);throw new Error("Cannot find module '"+o+"'")}var f=n[o]={exports:{}};t[o][0].call(f.exports,function(e){var n=t[o][1][e];return s(n?n:e)},f,f.exports,e,t,n,r)}return n[o].exports}var i=typeof require=="function"&&require;for(var o=0;o<r.length;o++)s(r[o]);return s})({1:[function(require,module,exports){
-
-module.exports = require('./lib/');
-
-},{"./lib/":2}],2:[function(require,module,exports){
-
-/**
- * Module dependencies.
- */
-
-var url = require('./url');
-var parser = require('socket.io-parser');
-var Manager = require('./manager');
-var debug = require('debug')('socket.io-client');
-
-/**
- * Module exports.
- */
-
-module.exports = exports = lookup;
-
-/**
- * Managers cache.
- */
-
-var cache = exports.managers = {};
-
-/**
- * Looks up an existing `Manager` for multiplexing.
- * If the user summons:
- *
- *   `io('http://localhost/a');`
- *   `io('http://localhost/b');`
- *
- * We reuse the existing instance based on same scheme/port/host,
- * and we initialize sockets for each namespace.
- *
- * @api public
- */
-
-function lookup(uri, opts) {
-  if (typeof uri == 'object') {
-    opts = uri;
-    uri = undefined;
-  }
-
-  opts = opts || {};
-
-  var parsed = url(uri);
-  var source = parsed.source;
-  var id = parsed.id;
-  var io;
-
-  if (opts.forceNew || opts['force new connection'] || false === opts.multiplex) {
-    debug('ignoring socket cache for %s', source);
-    io = Manager(source, opts);
-  } else {
-    if (!cache[id]) {
-      debug('new io instance for %s', source);
-      cache[id] = Manager(source, opts);
-    }
-    io = cache[id];
-  }
-
-  return io.socket(parsed.path);
-}
-
-/**
- * Protocol version.
- *
- * @api public
- */
-
-exports.protocol = parser.protocol;
-
-/**
- * `connect`.
- *
- * @param {String} uri
- * @api public
- */
-
-exports.connect = lookup;
-
-/**
- * Expose constructors for standalone build.
- *
- * @api public
- */
-
-exports.Manager = require('./manager');
-exports.Socket = require('./socket');
-
-},{"./manager":3,"./socket":5,"./url":6,"debug":9,"socket.io-parser":40}],3:[function(require,module,exports){
-
-/**
- * Module dependencies.
- */
-
-var url = require('./url');
-var eio = require('engine.io-client');
-var Socket = require('./socket');
-var Emitter = require('component-emitter');
-var parser = require('socket.io-parser');
-var on = require('./on');
-var bind = require('component-bind');
-var object = require('object-component');
-var debug = require('debug')('socket.io-client:manager');
-
-/**
- * Module exports
- */
-
-module.exports = Manager;
-
-/**
- * `Manager` constructor.
- *
- * @param {String} engine instance or engine uri/opts
- * @param {Object} options
- * @api public
- */
-
-function Manager(uri, opts){
-  if (!(this instanceof Manager)) return new Manager(uri, opts);
-  if (uri && ('object' == typeof uri)) {
-    opts = uri;
-    uri = undefined;
-  }
-  opts = opts || {};
-
-  opts.path = opts.path || '/socket.io';
-  this.nsps = {};
-  this.subs = [];
-  this.opts = opts;
-  this.reconnection(opts.reconnection !== false);
-  this.reconnectionAttempts(opts.reconnectionAttempts || Infinity);
-  this.reconnectionDelay(opts.reconnectionDelay || 1000);
-  this.reconnectionDelayMax(opts.reconnectionDelayMax || 5000);
-  this.timeout(null == opts.timeout ? 20000 : opts.timeout);
-  this.readyState = 'closed';
-  this.uri = uri;
-  this.connected = 0;
-  this.attempts = 0;
-  this.encoding = false;
-  this.packetBuffer = [];
-  this.encoder = new parser.Encoder();
-  this.decoder = new parser.Decoder();
-  this.open();
-}
-
-/**
- * Propagate given event to sockets and emit on `this`
- *
- * @api private
- */
-
-Manager.prototype.emitAll = function() {
-  this.emit.apply(this, arguments);
-  for (var nsp in this.nsps) {
-    this.nsps[nsp].emit.apply(this.nsps[nsp], arguments);
-  }
-};
-
-/**
- * Mix in `Emitter`.
- */
-
-Emitter(Manager.prototype);
-
-/**
- * Sets the `reconnection` config.
- *
- * @param {Boolean} true/false if it should automatically reconnect
- * @return {Manager} self or value
- * @api public
- */
-
-Manager.prototype.reconnection = function(v){
-  if (!arguments.length) return this._reconnection;
-  this._reconnection = !!v;
-  return this;
-};
-
-/**
- * Sets the reconnection attempts config.
- *
- * @param {Number} max reconnection attempts before giving up
- * @return {Manager} self or value
- * @api public
- */
-
-Manager.prototype.reconnectionAttempts = function(v){
-  if (!arguments.length) return this._reconnectionAttempts;
-  this._reconnectionAttempts = v;
-  return this;
-};
-
-/**
- * Sets the delay between reconnections.
- *
- * @param {Number} delay
- * @return {Manager} self or value
- * @api public
- */
-
-Manager.prototype.reconnectionDelay = function(v){
-  if (!arguments.length) return this._reconnectionDelay;
-  this._reconnectionDelay = v;
-  return this;
-};
-
-/**
- * Sets the maximum delay between reconnections.
- *
- * @param {Number} delay
- * @return {Manager} self or value
- * @api public
- */
-
-Manager.prototype.reconnectionDelayMax = function(v){
-  if (!arguments.length) return this._reconnectionDelayMax;
-  this._reconnectionDelayMax = v;
-  return this;
-};
-
-/**
- * Sets the connection timeout. `false` to disable
- *
- * @return {Manager} self or value
- * @api public
- */
-
-Manager.prototype.timeout = function(v){
-  if (!arguments.length) return this._timeout;
-  this._timeout = v;
-  return this;
-};
-
-/**
- * Starts trying to reconnect if reconnection is enabled and we have not
- * started reconnecting yet
- *
- * @api private
- */
-
-Manager.prototype.maybeReconnectOnOpen = function() {
-  if (!this.openReconnect && !this.reconnecting && this._reconnection) {
-    // keeps reconnection from firing twice for the same reconnection loop
-    this.openReconnect = true;
-    this.reconnect();
-  }
-};
-
-
-/**
- * Sets the current transport `socket`.
- *
- * @param {Function} optional, callback
- * @return {Manager} self
- * @api public
- */
-
-Manager.prototype.open =
-Manager.prototype.connect = function(fn){
-  debug('readyState %s', this.readyState);
-  if (~this.readyState.indexOf('open')) return this;
-
-  debug('opening %s', this.uri);
-  this.engine = eio(this.uri, this.opts);
-  var socket = this.engine;
-  var self = this;
-  this.readyState = 'opening';
-
-  // emit `open`
-  var openSub = on(socket, 'open', function() {
-    self.onopen();
-    fn && fn();
-  });
-
-  // emit `connect_error`
-  var errorSub = on(socket, 'error', function(data){
-    debug('connect_error');
-    self.cleanup();
-    self.readyState = 'closed';
-    self.emitAll('connect_error', data);
-    if (fn) {
-      var err = new Error('Connection error');
-      err.data = data;
-      fn(err);
-    }
-
-    self.maybeReconnectOnOpen();
-  });
-
-  // emit `connect_timeout`
-  if (false !== this._timeout) {
-    var timeout = this._timeout;
-    debug('connect attempt will timeout after %d', timeout);
-
-    // set timer
-    var timer = setTimeout(function(){
-      debug('connect attempt timed out after %d', timeout);
-      openSub.destroy();
-      socket.close();
-      socket.emit('error', 'timeout');
-      self.emitAll('connect_timeout', timeout);
-    }, timeout);
-
-    this.subs.push({
-      destroy: function(){
-        clearTimeout(timer);
-      }
-    });
-  }
-
-  this.subs.push(openSub);
-  this.subs.push(errorSub);
-
-  return this;
-};
-
-/**
- * Called upon transport open.
- *
- * @api private
- */
-
-Manager.prototype.onopen = function(){
-  debug('open');
-
-  // clear old subs
-  this.cleanup();
-
-  // mark as open
-  this.readyState = 'open';
-  this.emit('open');
-
-  // add new subs
-  var socket = this.engine;
-  this.subs.push(on(socket, 'data', bind(this, 'ondata')));
-  this.subs.push(on(this.decoder, 'decoded', bind(this, 'ondecoded')));
-  this.subs.push(on(socket, 'error', bind(this, 'onerror')));
-  this.subs.push(on(socket, 'close', bind(this, 'onclose')));
-};
-
-/**
- * Called with data.
- *
- * @api private
- */
-
-Manager.prototype.ondata = function(data){
-  this.decoder.add(data);
-};
-
-/**
- * Called when parser fully decodes a packet.
- *
- * @api private
- */
-
-Manager.prototype.ondecoded = function(packet) {
-  this.emit('packet', packet);
-};
-
-/**
- * Called upon socket error.
- *
- * @api private
- */
-
-Manager.prototype.onerror = function(err){
-  debug('error', err);
-  this.emitAll('error', err);
-};
-
-/**
- * Creates a new socket for the given `nsp`.
- *
- * @return {Socket}
- * @api public
- */
-
-Manager.prototype.socket = function(nsp){
-  var socket = this.nsps[nsp];
-  if (!socket) {
-    socket = new Socket(this, nsp);
-    this.nsps[nsp] = socket;
-    var self = this;
-    socket.on('connect', function(){
-      self.connected++;
-    });
-  }
-  return socket;
-};
-
-/**
- * Called upon a socket close.
- *
- * @param {Socket} socket
- */
-
-Manager.prototype.destroy = function(socket){
-  --this.connected || this.close();
-};
-
-/**
- * Writes a packet.
- *
- * @param {Object} packet
- * @api private
- */
-
-Manager.prototype.packet = function(packet){
-  debug('writing packet %j', packet);
-  var self = this;
-
-  if (!self.encoding) {
-    // encode, then write to engine with result
-    self.encoding = true;
-    this.encoder.encode(packet, function(encodedPackets) {
-      for (var i = 0; i < encodedPackets.length; i++) {
-        self.engine.write(encodedPackets[i]);
-      }
-      self.encoding = false;
-      self.processPacketQueue();
-    });
-  } else { // add packet to the queue
-    self.packetBuffer.push(packet);
-  }
-};
-
-/**
- * If packet buffer is non-empty, begins encoding the
- * next packet in line.
- *
- * @api private
- */
-
-Manager.prototype.processPacketQueue = function() {
-  if (this.packetBuffer.length > 0 && !this.encoding) {
-    var pack = this.packetBuffer.shift();
-    this.packet(pack);
-  }
-};
-
-/**
- * Clean up transport subscriptions and packet buffer.
- *
- * @api private
- */
-
-Manager.prototype.cleanup = function(){
-  var sub;
-  while (sub = this.subs.shift()) sub.destroy();
-
-  this.packetBuffer = [];
-  this.encoding = false;
-
-  this.decoder.destroy();
-};
-
-/**
- * Close the current socket.
- *
- * @api private
- */
-
-Manager.prototype.close =
-Manager.prototype.disconnect = function(){
-  this.skipReconnect = true;
-  this.engine.close();
-};
-
-/**
- * Called upon engine close.
- *
- * @api private
- */
-
-Manager.prototype.onclose = function(reason){
-  debug('close');
-  this.cleanup();
-  this.readyState = 'closed';
-  this.emit('close', reason);
-  if (this._reconnection && !this.skipReconnect) {
-    this.reconnect();
-  }
-};
-
-/**
- * Attempt a reconnection.
- *
- * @api private
- */
-
-Manager.prototype.reconnect = function(){
-  if (this.reconnecting) return this;
-
-  var self = this;
-  this.attempts++;
-
-  if (this.attempts > this._reconnectionAttempts) {
-    debug('reconnect failed');
-    this.emitAll('reconnect_failed');
-    this.reconnecting = false;
-  } else {
-    var delay = this.attempts * this.reconnectionDelay();
-    delay = Math.min(delay, this.reconnectionDelayMax());
-    debug('will wait %dms before reconnect attempt', delay);
-
-    this.reconnecting = true;
-    var timer = setTimeout(function(){
-      debug('attempting reconnect');
-      self.emitAll('reconnect_attempt', self.attempts);
-      self.emitAll('reconnecting', self.attempts);
-      self.open(function(err){
-        if (err) {
-          debug('reconnect attempt error');
-          self.reconnecting = false;
-          self.reconnect();
-          self.emitAll('reconnect_error', err.data);
-        } else {
-          debug('reconnect success');
-          self.onreconnect();
-        }
-      });
-    }, delay);
-
-    this.subs.push({
-      destroy: function(){
-        clearTimeout(timer);
-      }
-    });
-  }
-};
-
-/**
- * Called upon successful reconnect.
- *
- * @api private
- */
-
-Manager.prototype.onreconnect = function(){
-  var attempt = this.attempts;
-  this.attempts = 0;
-  this.reconnecting = false;
-  this.emitAll('reconnect', attempt);
-};
-
-},{"./on":4,"./socket":5,"./url":6,"component-bind":7,"component-emitter":8,"debug":9,"engine.io-client":11,"object-component":37,"socket.io-parser":40}],4:[function(require,module,exports){
-
-/**
- * Module exports.
- */
-
-module.exports = on;
-
-/**
- * Helper for subscriptions.
- *
- * @param {Object|EventEmitter} obj with `Emitter` mixin or `EventEmitter`
- * @param {String} event name
- * @param {Function} callback
- * @api public
- */
-
-function on(obj, ev, fn) {
-  obj.on(ev, fn);
-  return {
-    destroy: function(){
-      obj.removeListener(ev, fn);
-    }
-  };
-}
-
-},{}],5:[function(require,module,exports){
-
-/**
- * Module dependencies.
- */
-
-var parser = require('socket.io-parser');
-var Emitter = require('component-emitter');
-var toArray = require('to-array');
-var on = require('./on');
-var bind = require('component-bind');
-var debug = require('debug')('socket.io-client:socket');
-var hasBin = require('has-binary-data');
-var indexOf = require('indexof');
-
-/**
- * Module exports.
- */
-
-module.exports = exports = Socket;
-
-/**
- * Internal events (blacklisted).
- * These events can't be emitted by the user.
- *
- * @api private
- */
-
-var events = {
-  connect: 1,
-  connect_error: 1,
-  connect_timeout: 1,
-  disconnect: 1,
-  error: 1,
-  reconnect: 1,
-  reconnect_attempt: 1,
-  reconnect_failed: 1,
-  reconnect_error: 1,
-  reconnecting: 1
-};
-
-/**
- * Shortcut to `Emitter#emit`.
- */
-
-var emit = Emitter.prototype.emit;
-
-/**
- * `Socket` constructor.
- *
- * @api public
- */
-
-function Socket(io, nsp){
-  this.io = io;
-  this.nsp = nsp;
-  this.json = this; // compat
-  this.ids = 0;
-  this.acks = {};
-  this.open();
-  this.receiveBuffer = [];
-  this.sendBuffer = [];
-  this.connected = false;
-  this.disconnected = true;
-  this.subEvents();
-}
-
-/**
- * Mix in `Emitter`.
- */
-
-Emitter(Socket.prototype);
-
-/**
- * Subscribe to open, close and packet events
- *
- * @api private
- */
-
-Socket.prototype.subEvents = function() {
-  var io = this.io;
-  this.subs = [
-    on(io, 'open', bind(this, 'onopen')),
-    on(io, 'packet', bind(this, 'onpacket')),
-    on(io, 'close', bind(this, 'onclose'))
-  ];
-};
-
-/**
- * Called upon engine `open`.
- *
- * @api private
- */
-
-Socket.prototype.open =
-Socket.prototype.connect = function(){
-  if (this.connected) return this;
-
-  this.io.open(); // ensure open
-  if ('open' == this.io.readyState) this.onopen();
-  return this;
-};
-
-/**
- * Sends a `message` event.
- *
- * @return {Socket} self
- * @api public
- */
-
-Socket.prototype.send = function(){
-  var args = toArray(arguments);
-  args.unshift('message');
-  this.emit.apply(this, args);
-  return this;
-};
-
-/**
- * Override `emit`.
- * If the event is in `events`, it's emitted normally.
- *
- * @param {String} event name
- * @return {Socket} self
- * @api public
- */
-
-Socket.prototype.emit = function(ev){
-  if (events.hasOwnProperty(ev)) {
-    emit.apply(this, arguments);
-    return this;
-  }
-
-  var args = toArray(arguments);
-  var parserType = parser.EVENT; // default
-  if (hasBin(args)) { parserType = parser.BINARY_EVENT; } // binary
-  var packet = { type: parserType, data: args };
-
-  // event ack callback
-  if ('function' == typeof args[args.length - 1]) {
-    debug('emitting packet with ack id %d', this.ids);
-    this.acks[this.ids] = args.pop();
-    packet.id = this.ids++;
-  }
-
-  if (this.connected) {
-    this.packet(packet);
-  } else {
-    this.sendBuffer.push(packet);
-  }
-
-  return this;
-};
-
-/**
- * Sends a packet.
- *
- * @param {Object} packet
- * @api private
- */
-
-Socket.prototype.packet = function(packet){
-  packet.nsp = this.nsp;
-  this.io.packet(packet);
-};
-
-/**
- * "Opens" the socket.
- *
- * @api private
- */
-
-Socket.prototype.onopen = function(){
-  debug('transport is open - connecting');
-
-  // write connect packet if necessary
-  if ('/' != this.nsp) {
-    this.packet({ type: parser.CONNECT });
-  }
-};
-
-/**
- * Called upon engine `close`.
- *
- * @param {String} reason
- * @api private
- */
-
-Socket.prototype.onclose = function(reason){
-  debug('close (%s)', reason);
-  this.connected = false;
-  this.disconnected = true;
-  this.emit('disconnect', reason);
-};
-
-/**
- * Called with socket packet.
- *
- * @param {Object} packet
- * @api private
- */
-
-Socket.prototype.onpacket = function(packet){
-  if (packet.nsp != this.nsp) return;
-
-  switch (packet.type) {
-    case parser.CONNECT:
-      this.onconnect();
-      break;
-
-    case parser.EVENT:
-      this.onevent(packet);
-      break;
-
-    case parser.BINARY_EVENT:
-      this.onevent(packet);
-      break;
-
-    case parser.ACK:
-      this.onack(packet);
-      break;
-
-    case parser.BINARY_ACK:
-      this.onack(packet);
-      break;
-
-    case parser.DISCONNECT:
-      this.ondisconnect();
-      break;
-
-    case parser.ERROR:
-      this.emit('error', packet.data);
-      break;
-  }
-};
-
-/**
- * Called upon a server event.
- *
- * @param {Object} packet
- * @api private
- */
-
-Socket.prototype.onevent = function(packet){
-  var args = packet.data || [];
-  debug('emitting event %j', args);
-
-  if (null != packet.id) {
-    debug('attaching ack callback to event');
-    args.push(this.ack(packet.id));
-  }
-
-  if (this.connected) {
-    emit.apply(this, args);
-  } else {
-    this.receiveBuffer.push(args);
-  }
-};
-
-/**
- * Produces an ack callback to emit with an event.
- *
- * @api private
- */
-
-Socket.prototype.ack = function(id){
-  var self = this;
-  var sent = false;
-  return function(){
-    // prevent double callbacks
-    if (sent) return;
-    sent = true;
-    var args = toArray(arguments);
-    debug('sending ack %j', args);
-
-    var type = hasBin(args) ? parser.BINARY_ACK : parser.ACK;
-    self.packet({
-      type: type,
-      id: id,
-      data: args
-    });
-  };
-};
-
-/**
- * Called upon a server acknowlegement.
- *
- * @param {Object} packet
- * @api private
- */
-
-Socket.prototype.onack = function(packet){
-  debug('calling ack %s with %j', packet.id, packet.data);
-  var fn = this.acks[packet.id];
-  fn.apply(this, packet.data);
-  delete this.acks[packet.id];
-};
-
-/**
- * Called upon server connect.
- *
- * @api private
- */
-
-Socket.prototype.onconnect = function(){
-  this.connected = true;
-  this.disconnected = false;
-  this.emit('connect');
-  this.emitBuffered();
-};
-
-/**
- * Emit buffered events (received and emitted).
- *
- * @api private
- */
-
-Socket.prototype.emitBuffered = function(){
-  var i;
-  for (i = 0; i < this.receiveBuffer.length; i++) {
-    emit.apply(this, this.receiveBuffer[i]);
-  }
-  this.receiveBuffer = [];
-
-  for (i = 0; i < this.sendBuffer.length; i++) {
-    this.packet(this.sendBuffer[i]);
-  }
-  this.sendBuffer = [];
-};
-
-/**
- * Called upon server disconnect.
- *
- * @api private
- */
-
-Socket.prototype.ondisconnect = function(){
-  debug('server disconnect (%s)', this.nsp);
-  this.destroy();
-  this.onclose('io server disconnect');
-};
-
-/**
- * Called upon forced client/server side disconnections,
- * this method ensures the manager stops tracking us and
- * that reconnections don't get triggered for this.
- *
- * @api private.
- */
-
-Socket.prototype.destroy = function(){
-  // clean subscriptions to avoid reconnections
-  for (var i = 0; i < this.subs.length; i++) {
-    this.subs[i].destroy();
-  }
-
-  this.io.destroy(this);
-};
-
-/**
- * Disconnects the socket manually.
- *
- * @return {Socket} self
- * @api public
- */
-
-Socket.prototype.close =
-Socket.prototype.disconnect = function(){
-  if (!this.connected) return this;
-
-  debug('performing disconnect (%s)', this.nsp);
-  this.packet({ type: parser.DISCONNECT });
-
-  // remove socket from pool
-  this.destroy();
-
-  // fire events
-  this.onclose('io client disconnect');
-  return this;
-};
-
-},{"./on":4,"component-bind":7,"component-emitter":8,"debug":9,"has-binary-data":32,"indexof":36,"socket.io-parser":40,"to-array":43}],6:[function(require,module,exports){
-var global=typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {};
-/**
- * Module dependencies.
- */
-
-var parseuri = require('parseuri');
-var debug = require('debug')('socket.io-client:url');
-
-/**
- * Module exports.
- */
-
-module.exports = url;
-
-/**
- * URL parser.
- *
- * @param {String} url
- * @param {Object} An object meant to mimic window.location.
- *                 Defaults to window.location.
- * @api public
- */
-
-function url(uri, loc){
-  var obj = uri;
-
-  // default to window.location
-  var loc = loc || global.location;
-  if (null == uri) uri = loc.protocol + '//' + loc.hostname;
-
-  // relative path support
-  if ('string' == typeof uri) {
-    if ('/' == uri.charAt(0)) {
-      if ('undefined' != typeof loc) {
-        uri = loc.hostname + uri;
-      }
-    }
-
-    if (!/^(https?|wss?):\/\//.test(uri)) {
-      debug('protocol-less url %s', uri);
-      if ('undefined' != typeof loc) {
-        uri = loc.protocol + '//' + uri;
-      } else {
-        uri = 'https://' + uri;
-      }
-    }
-
-    // parse
-    debug('parse %s', uri);
-    obj = parseuri(uri);
-  }
-
-  // make sure we treat `localhost:80` and `localhost` equally
-  if (!obj.port) {
-    if (/^(http|ws)$/.test(obj.protocol)) {
-      obj.port = '80';
-    }
-    else if (/^(http|ws)s$/.test(obj.protocol)) {
-      obj.port = '443';
-    }
-  }
-
-  obj.path = obj.path || '/';
-
-  // define unique id
-  obj.id = obj.protocol + '://' + obj.host + ':' + obj.port;
-  // define href
-  obj.href = obj.protocol + '://' + obj.host + (loc && loc.port == obj.port ? '' : (':' + obj.port));
-
-  return obj;
-}
-
-},{"debug":9,"parseuri":38}],7:[function(require,module,exports){
-/**
- * Slice reference.
- */
-
-var slice = [].slice;
-
-/**
- * Bind `obj` to `fn`.
- *
- * @param {Object} obj
- * @param {Function|String} fn or string
- * @return {Function}
- * @api public
- */
-
-module.exports = function(obj, fn){
-  if ('string' == typeof fn) fn = obj[fn];
-  if ('function' != typeof fn) throw new Error('bind() requires a function');
-  var args = slice.call(arguments, 2);
-  return function(){
-    return fn.apply(obj, args.concat(slice.call(arguments)));
-  }
-};
-
-},{}],8:[function(require,module,exports){
-
-/**
- * Expose `Emitter`.
- */
-
-module.exports = Emitter;
-
-/**
- * Initialize a new `Emitter`.
- *
- * @api public
- */
-
-function Emitter(obj) {
-  if (obj) return mixin(obj);
-};
-
-/**
- * Mixin the emitter properties.
- *
- * @param {Object} obj
- * @return {Object}
- * @api private
- */
-
-function mixin(obj) {
-  for (var key in Emitter.prototype) {
-    obj[key] = Emitter.prototype[key];
-  }
-  return obj;
-}
-
-/**
- * Listen on the given `event` with `fn`.
- *
- * @param {String} event
- * @param {Function} fn
- * @return {Emitter}
- * @api public
- */
-
-Emitter.prototype.on =
-Emitter.prototype.addEventListener = function(event, fn){
-  this._callbacks = this._callbacks || {};
-  (this._callbacks[event] = this._callbacks[event] || [])
-    .push(fn);
-  return this;
-};
-
-/**
- * Adds an `event` listener that will be invoked a single
- * time then automatically removed.
- *
- * @param {String} event
- * @param {Function} fn
- * @return {Emitter}
- * @api public
- */
-
-Emitter.prototype.once = function(event, fn){
-  var self = this;
-  this._callbacks = this._callbacks || {};
-
-  function on() {
-    self.off(event, on);
-    fn.apply(this, arguments);
-  }
-
-  on.fn = fn;
-  this.on(event, on);
-  return this;
-};
-
-/**
- * Remove the given callback for `event` or all
- * registered callbacks.
- *
- * @param {String} event
- * @param {Function} fn
- * @return {Emitter}
- * @api public
- */
-
-Emitter.prototype.off =
-Emitter.prototype.removeListener =
-Emitter.prototype.removeAllListeners =
-Emitter.prototype.removeEventListener = function(event, fn){
-  this._callbacks = this._callbacks || {};
-
-  // all
-  if (0 == arguments.length) {
-    this._callbacks = {};
-    return this;
-  }
-
-  // specific event
-  var callbacks = this._callbacks[event];
-  if (!callbacks) return this;
-
-  // remove all handlers
-  if (1 == arguments.length) {
-    delete this._callbacks[event];
-    return this;
-  }
-
-  // remove specific handler
-  var cb;
-  for (var i = 0; i < callbacks.length; i++) {
-    cb = callbacks[i];
-    if (cb === fn || cb.fn === fn) {
-      callbacks.splice(i, 1);
-      break;
-    }
-  }
-  return this;
-};
-
-/**
- * Emit `event` with the given args.
- *
- * @param {String} event
- * @param {Mixed} ...
- * @return {Emitter}
- */
-
-Emitter.prototype.emit = function(event){
-  this._callbacks = this._callbacks || {};
-  var args = [].slice.call(arguments, 1)
-    , callbacks = this._callbacks[event];
-
-  if (callbacks) {
-    callbacks = callbacks.slice(0);
-    for (var i = 0, len = callbacks.length; i < len; ++i) {
-      callbacks[i].apply(this, args);
-    }
-  }
-
-  return this;
-};
-
-/**
- * Return array of callbacks for `event`.
- *
- * @param {String} event
- * @return {Array}
- * @api public
- */
-
-Emitter.prototype.listeners = function(event){
-  this._callbacks = this._callbacks || {};
-  return this._callbacks[event] || [];
-};
-
-/**
- * Check if this emitter has `event` handlers.
- *
- * @param {String} event
- * @return {Boolean}
- * @api public
- */
-
-Emitter.prototype.hasListeners = function(event){
-  return !! this.listeners(event).length;
-};
-
-},{}],9:[function(require,module,exports){
-
-/**
- * Expose `debug()` as the module.
- */
-
-module.exports = debug;
-
-/**
- * Create a debugger with the given `name`.
- *
- * @param {String} name
- * @return {Type}
- * @api public
- */
-
-function debug(name) {
-  if (!debug.enabled(name)) return function(){};
-
-  return function(fmt){
-    fmt = coerce(fmt);
-
-    var curr = new Date;
-    var ms = curr - (debug[name] || curr);
-    debug[name] = curr;
-
-    fmt = name
-      + ' '
-      + fmt
-      + ' +' + debug.humanize(ms);
-
-    // This hackery is required for IE8
-    // where `console.log` doesn't have 'apply'
-    window.console
-      && console.log
-      && Function.prototype.apply.call(console.log, console, arguments);
-  }
-}
-
-/**
- * The currently active debug mode names.
- */
-
-debug.names = [];
-debug.skips = [];
-
-/**
- * Enables a debug mode by name. This can include modes
- * separated by a colon and wildcards.
- *
- * @param {String} name
- * @api public
- */
-
-debug.enable = function(name) {
-  try {
-    localStorage.debug = name;
-  } catch(e){}
-
-  var split = (name || '').split(/[\s,]+/)
-    , len = split.length;
-
-  for (var i = 0; i < len; i++) {
-    name = split[i].replace('*', '.*?');
-    if (name[0] === '-') {
-      debug.skips.push(new RegExp('^' + name.substr(1) + '$'));
-    }
-    else {
-      debug.names.push(new RegExp('^' + name + '$'));
-    }
-  }
-};
-
-/**
- * Disable debug output.
- *
- * @api public
- */
-
-debug.disable = function(){
-  debug.enable('');
-};
-
-/**
- * Humanize the given `ms`.
- *
- * @param {Number} m
- * @return {String}
- * @api private
- */
-
-debug.humanize = function(ms) {
-  var sec = 1000
-    , min = 60 * 1000
-    , hour = 60 * min;
-
-  if (ms >= hour) return (ms / hour).toFixed(1) + 'h';
-  if (ms >= min) return (ms / min).toFixed(1) + 'm';
-  if (ms >= sec) return (ms / sec | 0) + 's';
-  return ms + 'ms';
-};
-
-/**
- * Returns true if the given mode name is enabled, false otherwise.
- *
- * @param {String} name
- * @return {Boolean}
- * @api public
- */
-
-debug.enabled = function(name) {
-  for (var i = 0, len = debug.skips.length; i < len; i++) {
-    if (debug.skips[i].test(name)) {
-      return false;
-    }
-  }
-  for (var i = 0, len = debug.names.length; i < len; i++) {
-    if (debug.names[i].test(name)) {
-      return true;
-    }
-  }
-  return false;
-};
-
-/**
- * Coerce `val`.
- */
-
-function coerce(val) {
-  if (val instanceof Error) return val.stack || val.message;
-  return val;
-}
-
-// persist
-
-try {
-  if (window.localStorage) debug.enable(localStorage.debug);
-} catch(e){}
-
-},{}],10:[function(require,module,exports){
-
-/**
- * Module dependencies.
- */
-
-var index = require('indexof');
-
-/**
- * Expose `Emitter`.
- */
-
-module.exports = Emitter;
-
-/**
- * Initialize a new `Emitter`.
- *
- * @api public
- */
-
-function Emitter(obj) {
-  if (obj) return mixin(obj);
-};
-
-/**
- * Mixin the emitter properties.
- *
- * @param {Object} obj
- * @return {Object}
- * @api private
- */
-
-function mixin(obj) {
-  for (var key in Emitter.prototype) {
-    obj[key] = Emitter.prototype[key];
-  }
-  return obj;
-}
-
-/**
- * Listen on the given `event` with `fn`.
- *
- * @param {String} event
- * @param {Function} fn
- * @return {Emitter}
- * @api public
- */
-
-Emitter.prototype.on = function(event, fn){
-  this._callbacks = this._callbacks || {};
-  (this._callbacks[event] = this._callbacks[event] || [])
-    .push(fn);
-  return this;
-};
-
-/**
- * Adds an `event` listener that will be invoked a single
- * time then automatically removed.
- *
- * @param {String} event
- * @param {Function} fn
- * @return {Emitter}
- * @api public
- */
-
-Emitter.prototype.once = function(event, fn){
-  var self = this;
-  this._callbacks = this._callbacks || {};
-
-  function on() {
-    self.off(event, on);
-    fn.apply(this, arguments);
-  }
-
-  fn._off = on;
-  this.on(event, on);
-  return this;
-};
-
-/**
- * Remove the given callback for `event` or all
- * registered callbacks.
- *
- * @param {String} event
- * @param {Function} fn
- * @return {Emitter}
- * @api public
- */
-
-Emitter.prototype.off =
-Emitter.prototype.removeListener =
-Emitter.prototype.removeAllListeners = function(event, fn){
-  this._callbacks = this._callbacks || {};
-
-  // all
-  if (0 == arguments.length) {
-    this._callbacks = {};
-    return this;
-  }
-
-  // specific event
-  var callbacks = this._callbacks[event];
-  if (!callbacks) return this;
-
-  // remove all handlers
-  if (1 == arguments.length) {
-    delete this._callbacks[event];
-    return this;
-  }
-
-  // remove specific handler
-  var i = index(callbacks, fn._off || fn);
-  if (~i) callbacks.splice(i, 1);
-  return this;
-};
-
-/**
- * Emit `event` with the given args.
- *
- * @param {String} event
- * @param {Mixed} ...
- * @return {Emitter}
- */
-
-Emitter.prototype.emit = function(event){
-  this._callbacks = this._callbacks || {};
-  var args = [].slice.call(arguments, 1)
-    , callbacks = this._callbacks[event];
-
-  if (callbacks) {
-    callbacks = callbacks.slice(0);
-    for (var i = 0, len = callbacks.length; i < len; ++i) {
-      callbacks[i].apply(this, args);
-    }
-  }
-
-  return this;
-};
-
-/**
- * Return array of callbacks for `event`.
- *
- * @param {String} event
- * @return {Array}
- * @api public
- */
-
-Emitter.prototype.listeners = function(event){
-  this._callbacks = this._callbacks || {};
-  return this._callbacks[event] || [];
-};
-
-/**
- * Check if this emitter has `event` handlers.
- *
- * @param {String} event
- * @return {Boolean}
- * @api public
- */
-
-Emitter.prototype.hasListeners = function(event){
-  return !! this.listeners(event).length;
-};
-
-},{"indexof":36}],11:[function(require,module,exports){
-
-module.exports =  require('./lib/');
-
-},{"./lib/":12}],12:[function(require,module,exports){
-
-module.exports = require('./socket');
-
-/**
- * Exports parser
- *
- * @api public
- *
- */
-module.exports.parser = require('engine.io-parser');
-
-},{"./socket":13,"engine.io-parser":22}],13:[function(require,module,exports){
-var global=typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {};/**
- * Module dependencies.
- */
-
-var transports = require('./transports');
-var Emitter = require('component-emitter');
-var debug = require('debug')('engine.io-client:socket');
-var index = require('indexof');
-var parser = require('engine.io-parser');
-var parseuri = require('parseuri');
-var parsejson = require('parsejson');
-var parseqs = require('parseqs');
-
-/**
- * Module exports.
- */
-
-module.exports = Socket;
-
-/**
- * Noop function.
- *
- * @api private
- */
-
-function noop(){}
-
-/**
- * Socket constructor.
- *
- * @param {String|Object} uri or options
- * @param {Object} options
- * @api public
- */
-
-function Socket(uri, opts){
-  if (!(this instanceof Socket)) return new Socket(uri, opts);
-
-  opts = opts || {};
-
-  if (uri && 'object' == typeof uri) {
-    opts = uri;
-    uri = null;
-  }
-
-  if (uri) {
-    uri = parseuri(uri);
-    opts.host = uri.host;
-    opts.secure = uri.protocol == 'https' || uri.protocol == 'wss';
-    opts.port = uri.port;
-    if (uri.query) opts.query = uri.query;
-  }
-
-  this.secure = null != opts.secure ? opts.secure :
-    (global.location && 'https:' == location.protocol);
-
-  if (opts.host) {
-    var pieces = opts.host.split(':');
-    opts.hostname = pieces.shift();
-    if (pieces.length) opts.port = pieces.pop();
-  }
-
-  this.agent = opts.agent || false;
-  this.hostname = opts.hostname ||
-    (global.location ? location.hostname : 'localhost');
-  this.port = opts.port || (global.location && location.port ?
-       location.port :
-       (this.secure ? 443 : 80));
-  this.query = opts.query || {};
-  if ('string' == typeof this.query) this.query = parseqs.decode(this.query);
-  this.upgrade = false !== opts.upgrade;
-  this.path = (opts.path || '/engine.io').replace(/\/$/, '') + '/';
-  this.forceJSONP = !!opts.forceJSONP;
-  this.forceBase64 = !!opts.forceBase64;
-  this.timestampParam = opts.timestampParam || 't';
-  this.timestampRequests = opts.timestampRequests;
-  this.transports = opts.transports || ['polling', 'websocket'];
-  this.readyState = '';
-  this.writeBuffer = [];
-  this.callbackBuffer = [];
-  this.policyPort = opts.policyPort || 843;
-  this.rememberUpgrade = opts.rememberUpgrade || false;
-  this.open();
-  this.binaryType = null;
-  this.onlyBinaryUpgrades = opts.onlyBinaryUpgrades;
-}
-
-Socket.priorWebsocketSuccess = false;
-
-/**
- * Mix in `Emitter`.
- */
-
-Emitter(Socket.prototype);
-
-/**
- * Protocol version.
- *
- * @api public
- */
-
-Socket.protocol = parser.protocol; // this is an int
-
-/**
- * Expose deps for legacy compatibility
- * and standalone browser access.
- */
-
-Socket.Socket = Socket;
-Socket.Transport = require('./transport');
-Socket.transports = require('./transports');
-Socket.parser = require('engine.io-parser');
-
-/**
- * Creates transport of the given type.
- *
- * @param {String} transport name
- * @return {Transport}
- * @api private
- */
-
-Socket.prototype.createTransport = function (name) {
-  debug('creating transport "%s"', name);
-  var query = clone(this.query);
-
-  // append engine.io protocol identifier
-  query.EIO = parser.protocol;
-
-  // transport name
-  query.transport = name;
-
-  // session id if we already have one
-  if (this.id) query.sid = this.id;
-
-  var transport = new transports[name]({
-    agent: this.agent,
-    hostname: this.hostname,
-    port: this.port,
-    secure: this.secure,
-    path: this.path,
-    query: query,
-    forceJSONP: this.forceJSONP,
-    forceBase64: this.forceBase64,
-    timestampRequests: this.timestampRequests,
-    timestampParam: this.timestampParam,
-    policyPort: this.policyPort,
-    socket: this
-  });
-
-  return transport;
-};
-
-function clone (obj) {
-  var o = {};
-  for (var i in obj) {
-    if (obj.hasOwnProperty(i)) {
-      o[i] = obj[i];
-    }
-  }
-  return o;
-}
-
-/**
- * Initializes transport to use and starts probe.
- *
- * @api private
- */
-Socket.prototype.open = function () {
-  var transport;
-  if (this.rememberUpgrade && Socket.priorWebsocketSuccess && this.transports.indexOf('websocket') != -1) {
-    transport = 'websocket';
-  } else {
-    transport = this.transports[0];
-  }
-  this.readyState = 'opening';
-  var transport = this.createTransport(transport);
-  transport.open();
-  this.setTransport(transport);
-};
-
-/**
- * Sets the current transport. Disables the existing one (if any).
- *
- * @api private
- */
-
-Socket.prototype.setTransport = function(transport){
-  debug('setting transport %s', transport.name);
-  var self = this;
-
-  if (this.transport) {
-    debug('clearing existing transport %s', this.transport.name);
-    this.transport.removeAllListeners();
-  }
-
-  // set up transport
-  this.transport = transport;
-
-  // set up transport listeners
-  transport
-  .on('drain', function(){
-    self.onDrain();
-  })
-  .on('packet', function(packet){
-    self.onPacket(packet);
-  })
-  .on('error', function(e){
-    self.onError(e);
-  })
-  .on('close', function(){
-    self.onClose('transport close');
-  });
-};
-
-/**
- * Probes a transport.
- *
- * @param {String} transport name
- * @api private
- */
-
-Socket.prototype.probe = function (name) {
-  debug('probing transport "%s"', name);
-  var transport = this.createTransport(name, { probe: 1 })
-    , failed = false
-    , self = this;
-
-  Socket.priorWebsocketSuccess = false;
-
-  function onTransportOpen(){
-    if (self.onlyBinaryUpgrades) {
-      var upgradeLosesBinary = !this.supportsBinary && self.transport.supportsBinary;
-      failed = failed || upgradeLosesBinary;
-    }
-    if (failed) return;
-
-    debug('probe transport "%s" opened', name);
-    transport.send([{ type: 'ping', data: 'probe' }]);
-    transport.once('packet', function (msg) {
-      if (failed) return;
-      if ('pong' == msg.type && 'probe' == msg.data) {
-        debug('probe transport "%s" pong', name);
-        self.upgrading = true;
-        self.emit('upgrading', transport);
-        Socket.priorWebsocketSuccess = 'websocket' == transport.name;
-
-        debug('pausing current transport "%s"', self.transport.name);
-        self.transport.pause(function () {
-          if (failed) return;
-          if ('closed' == self.readyState || 'closing' == self.readyState) {
-            return;
-          }
-          debug('changing transport and sending upgrade packet');
-
-          cleanup();
-
-          self.setTransport(transport);
-          transport.send([{ type: 'upgrade' }]);
-          self.emit('upgrade', transport);
-          transport = null;
-          self.upgrading = false;
-          self.flush();
-        });
-      } else {
-        debug('probe transport "%s" failed', name);
-        var err = new Error('probe error');
-        err.transport = transport.name;
-        self.emit('upgradeError', err);
-      }
-    });
-  }
-
-  function freezeTransport() {
-    if (failed) return;
-
-    // Any callback called by transport should be ignored since now
-    failed = true;
-
-    cleanup();
-
-    transport.close();
-    transport = null;
-  }
-
-  //Handle any error that happens while probing
-  function onerror(err) {
-    var error = new Error('probe error: ' + err);
-    error.transport = transport.name;
-
-    freezeTransport();
-
-    debug('probe transport "%s" failed because of error: %s', name, err);
-
-    self.emit('upgradeError', error);
-  }
-
-  function onTransportClose(){
-    onerror("transport closed");
-  }
-
-  //When the socket is closed while we're probing
-  function onclose(){
-    onerror("socket closed");
-  }
-
-  //When the socket is upgraded while we're probing
-  function onupgrade(to){
-    if (transport && to.name != transport.name) {
-      debug('"%s" works - aborting "%s"', to.name, transport.name);
-      freezeTransport();
-    }
-  }
-
-  //Remove all listeners on the transport and on self
-  function cleanup(){
-    transport.removeListener('open', onTransportOpen);
-    transport.removeListener('error', onerror);
-    transport.removeListener('close', onTransportClose);
-    self.removeListener('close', onclose);
-    self.removeListener('upgrading', onupgrade);
-  }
-
-  transport.once('open', onTransportOpen);
-  transport.once('error', onerror);
-  transport.once('close', onTransportClose);
-
-  this.once('close', onclose);
-  this.once('upgrading', onupgrade);
-
-  transport.open();
-
-};
-
-/**
- * Called when connection is deemed open.
- *
- * @api public
- */
-
-Socket.prototype.onOpen = function () {
-  debug('socket open');
-  this.readyState = 'open';
-  Socket.priorWebsocketSuccess = 'websocket' == this.transport.name;
-  this.emit('open');
-  this.flush();
-
-  // we check for `readyState` in case an `open`
-  // listener already closed the socket
-  if ('open' == this.readyState && this.upgrade && this.transport.pause) {
-    debug('starting upgrade probes');
-    for (var i = 0, l = this.upgrades.length; i < l; i++) {
-      this.probe(this.upgrades[i]);
-    }
-  }
-};
-
-/**
- * Handles a packet.
- *
- * @api private
- */
-
-Socket.prototype.onPacket = function (packet) {
-  if ('opening' == this.readyState || 'open' == this.readyState) {
-    debug('socket receive: type "%s", data "%s"', packet.type, packet.data);
-
-    this.emit('packet', packet);
-
-    // Socket is live - any packet counts
-    this.emit('heartbeat');
-
-    switch (packet.type) {
-      case 'open':
-        this.onHandshake(parsejson(packet.data));
-        break;
-
-      case 'pong':
-        this.setPing();
-        break;
-
-      case 'error':
-        var err = new Error('server error');
-        err.code = packet.data;
-        this.emit('error', err);
-        break;
-
-      case 'message':
-        this.emit('data', packet.data);
-        this.emit('message', packet.data);
-        break;
-    }
-  } else {
-    debug('packet received with socket readyState "%s"', this.readyState);
-  }
-};
-
-/**
- * Called upon handshake completion.
- *
- * @param {Object} handshake obj
- * @api private
- */
-
-Socket.prototype.onHandshake = function (data) {
-  this.emit('handshake', data);
-  this.id = data.sid;
-  this.transport.query.sid = data.sid;
-  this.upgrades = this.filterUpgrades(data.upgrades);
-  this.pingInterval = data.pingInterval;
-  this.pingTimeout = data.pingTimeout;
-  this.onOpen();
-  // In case open handler closes socket
-  if  ('closed' == this.readyState) return;
-  this.setPing();
-
-  // Prolong liveness of socket on heartbeat
-  this.removeListener('heartbeat', this.onHeartbeat);
-  this.on('heartbeat', this.onHeartbeat);
-};
-
-/**
- * Resets ping timeout.
- *
- * @api private
- */
-
-Socket.prototype.onHeartbeat = function (timeout) {
-  clearTimeout(this.pingTimeoutTimer);
-  var self = this;
-  self.pingTimeoutTimer = setTimeout(function () {
-    if ('closed' == self.readyState) return;
-    self.onClose('ping timeout');
-  }, timeout || (self.pingInterval + self.pingTimeout));
-};
-
-/**
- * Pings server every `this.pingInterval` and expects response
- * within `this.pingTimeout` or closes connection.
- *
- * @api private
- */
-
-Socket.prototype.setPing = function () {
-  var self = this;
-  clearTimeout(self.pingIntervalTimer);
-  self.pingIntervalTimer = setTimeout(function () {
-    debug('writing ping packet - expecting pong within %sms', self.pingTimeout);
-    self.ping();
-    self.onHeartbeat(self.pingTimeout);
-  }, self.pingInterval);
-};
-
-/**
-* Sends a ping packet.
-*
-* @api public
-*/
-
-Socket.prototype.ping = function () {
-  this.sendPacket('ping');
-};
-
-/**
- * Called on `drain` event
- *
- * @api private
- */
-
-Socket.prototype.onDrain = function() {
-  for (var i = 0; i < this.prevBufferLen; i++) {
-    if (this.callbackBuffer[i]) {
-      this.callbackBuffer[i]();
-    }
-  }
-
-  this.writeBuffer.splice(0, this.prevBufferLen);
-  this.callbackBuffer.splice(0, this.prevBufferLen);
-
-  // setting prevBufferLen = 0 is very important
-  // for example, when upgrading, upgrade packet is sent over,
-  // and a nonzero prevBufferLen could cause problems on `drain`
-  this.prevBufferLen = 0;
-
-  if (this.writeBuffer.length == 0) {
-    this.emit('drain');
-  } else {
-    this.flush();
-  }
-};
-
-/**
- * Flush write buffers.
- *
- * @api private
- */
-
-Socket.prototype.flush = function () {
-  if ('closed' != this.readyState && this.transport.writable &&
-    !this.upgrading && this.writeBuffer.length) {
-    debug('flushing %d packets in socket', this.writeBuffer.length);
-    this.transport.send(this.writeBuffer);
-    // keep track of current length of writeBuffer
-    // splice writeBuffer and callbackBuffer on `drain`
-    this.prevBufferLen = this.writeBuffer.length;
-    this.emit('flush');
-  }
-};
-
-/**
- * Sends a message.
- *
- * @param {String} message.
- * @param {Function} callback function.
- * @return {Socket} for chaining.
- * @api public
- */
-
-Socket.prototype.write =
-Socket.prototype.send = function (msg, fn) {
-  this.sendPacket('message', msg, fn);
-  return this;
-};
-
-/**
- * Sends a packet.
- *
- * @param {String} packet type.
- * @param {String} data.
- * @param {Function} callback function.
- * @api private
- */
-
-Socket.prototype.sendPacket = function (type, data, fn) {
-  var packet = { type: type, data: data };
-  this.emit('packetCreate', packet);
-  this.writeBuffer.push(packet);
-  this.callbackBuffer.push(fn);
-  this.flush();
-};
-
-/**
- * Closes the connection.
- *
- * @api private
- */
-
-Socket.prototype.close = function () {
-  if ('opening' == this.readyState || 'open' == this.readyState) {
-    this.onClose('forced close');
-    debug('socket closing - telling transport to close');
-    this.transport.close();
-  }
-
-  return this;
-};
-
-/**
- * Called upon transport error
- *
- * @api private
- */
-
-Socket.prototype.onError = function (err) {
-  debug('socket error %j', err);
-  Socket.priorWebsocketSuccess = false;
-  this.emit('error', err);
-  this.onClose('transport error', err);
-};
-
-/**
- * Called upon transport close.
- *
- * @api private
- */
-
-Socket.prototype.onClose = function (reason, desc) {
-  if ('opening' == this.readyState || 'open' == this.readyState) {
-    debug('socket close with reason: "%s"', reason);
-    var self = this;
-
-    // clear timers
-    clearTimeout(this.pingIntervalTimer);
-    clearTimeout(this.pingTimeoutTimer);
-
-    // clean buffers in next tick, so developers can still
-    // grab the buffers on `close` event
-    setTimeout(function() {
-      self.writeBuffer = [];
-      self.callbackBuffer = [];
-      self.prevBufferLen = 0;
-    }, 0);
-
-    // stop event from firing again for transport
-    this.transport.removeAllListeners('close');
-
-    // ensure transport won't stay open
-    this.transport.close();
-
-    // ignore further transport communication
-    this.transport.removeAllListeners();
-
-    // set ready state
-    this.readyState = 'closed';
-
-    // clear session id
-    this.id = null;
-
-    // emit close event
-    this.emit('close', reason, desc);
-  }
-};
-
-/**
- * Filters upgrades, returning only those matching client transports.
- *
- * @param {Array} server upgrades
- * @api private
- *
- */
-
-Socket.prototype.filterUpgrades = function (upgrades) {
-  var filteredUpgrades = [];
-  for (var i = 0, j = upgrades.length; i<j; i++) {
-    if (~index(this.transports, upgrades[i])) filteredUpgrades.push(upgrades[i]);
-  }
-  return filteredUpgrades;
-};
-
-},{"./transport":14,"./transports":15,"component-emitter":8,"debug":9,"engine.io-parser":22,"indexof":36,"parsejson":29,"parseqs":30,"parseuri":38}],14:[function(require,module,exports){
-/**
- * Module dependencies.
- */
-
-var parser = require('engine.io-parser');
-var Emitter = require('component-emitter');
-
-/**
- * Module exports.
- */
-
-module.exports = Transport;
-
-/**
- * Transport abstract constructor.
- *
- * @param {Object} options.
- * @api private
- */
-
-function Transport (opts) {
-  this.path = opts.path;
-  this.hostname = opts.hostname;
-  this.port = opts.port;
-  this.secure = opts.secure;
-  this.query = opts.query;
-  this.timestampParam = opts.timestampParam;
-  this.timestampRequests = opts.timestampRequests;
-  this.readyState = '';
-  this.agent = opts.agent || false;
-  this.socket = opts.socket;
-}
-
-/**
- * Mix in `Emitter`.
- */
-
-Emitter(Transport.prototype);
-
-/**
- * A counter used to prevent collisions in the timestamps used
- * for cache busting.
- */
-
-Transport.timestamps = 0;
-
-/**
- * Emits an error.
- *
- * @param {String} str
- * @return {Transport} for chaining
- * @api public
- */
-
-Transport.prototype.onError = function (msg, desc) {
-  var err = new Error(msg);
-  err.type = 'TransportError';
-  err.description = desc;
-  this.emit('error', err);
-  return this;
-};
-
-/**
- * Opens the transport.
- *
- * @api public
- */
-
-Transport.prototype.open = function () {
-  if ('closed' == this.readyState || '' == this.readyState) {
-    this.readyState = 'opening';
-    this.doOpen();
-  }
-
-  return this;
-};
-
-/**
- * Closes the transport.
- *
- * @api private
- */
-
-Transport.prototype.close = function () {
-  if ('opening' == this.readyState || 'open' == this.readyState) {
-    this.doClose();
-    this.onClose();
-  }
-
-  return this;
-};
-
-/**
- * Sends multiple packets.
- *
- * @param {Array} packets
- * @api private
- */
-
-Transport.prototype.send = function(packets){
-  if ('open' == this.readyState) {
-    this.write(packets);
-  } else {
-    throw new Error('Transport not open');
-  }
-};
-
-/**
- * Called upon open
- *
- * @api private
- */
-
-Transport.prototype.onOpen = function () {
-  this.readyState = 'open';
-  this.writable = true;
-  this.emit('open');
-};
-
-/**
- * Called with data.
- *
- * @param {String} data
- * @api private
- */
-
-Transport.prototype.onData = function(data){
-  try {
-    var packet = parser.decodePacket(data, this.socket.binaryType);
-    this.onPacket(packet);
-  } catch(e){
-    e.data = data;
-    this.onError('parser decode error', e);
-  }
-};
-
-/**
- * Called with a decoded packet.
- */
-
-Transport.prototype.onPacket = function (packet) {
-  this.emit('packet', packet);
-};
-
-/**
- * Called upon close.
- *
- * @api private
- */
-
-Transport.prototype.onClose = function () {
-  this.readyState = 'closed';
-  this.emit('close');
-};
-
-},{"component-emitter":8,"engine.io-parser":22}],15:[function(require,module,exports){
-var global=typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {};/**
- * Module dependencies
- */
-
-var XMLHttpRequest = require('xmlhttprequest');
-var XHR = require('./polling-xhr');
-var JSONP = require('./polling-jsonp');
-var websocket = require('./websocket');
-
-/**
- * Export transports.
- */
-
-exports.polling = polling;
-exports.websocket = websocket;
-
-/**
- * Polling transport polymorphic constructor.
- * Decides on xhr vs jsonp based on feature detection.
- *
- * @api private
- */
-
-function polling(opts){
-  var xhr;
-  var xd = false;
-
-  if (global.location) {
-    var isSSL = 'https:' == location.protocol;
-    var port = location.port;
-
-    // some user agents have empty `location.port`
-    if (!port) {
-      port = isSSL ? 443 : 80;
-    }
-
-    xd = opts.hostname != location.hostname || port != opts.port;
-  }
-
-  opts.xdomain = xd;
-  xhr = new XMLHttpRequest(opts);
-
-  if ('open' in xhr && !opts.forceJSONP) {
-    return new XHR(opts);
-  } else {
-    return new JSONP(opts);
-  }
-}
-
-},{"./polling-jsonp":16,"./polling-xhr":17,"./websocket":19,"xmlhttprequest":20}],16:[function(require,module,exports){
-var global=typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {};
-/**
- * Module requirements.
- */
-
-var Polling = require('./polling');
-var inherit = require('component-inherit');
-
-/**
- * Module exports.
- */
-
-module.exports = JSONPPolling;
-
-/**
- * Cached regular expressions.
- */
-
-var rNewline = /\n/g;
-var rEscapedNewline = /\\n/g;
-
-/**
- * Global JSONP callbacks.
- */
-
-var callbacks;
-
-/**
- * Callbacks count.
- */
-
-var index = 0;
-
-/**
- * Noop.
- */
-
-function empty () { }
-
-/**
- * JSONP Polling constructor.
- *
- * @param {Object} opts.
- * @api public
- */
-
-function JSONPPolling (opts) {
-  Polling.call(this, opts);
-
-  this.query = this.query || {};
-
-  // define global callbacks array if not present
-  // we do this here (lazily) to avoid unneeded global pollution
-  if (!callbacks) {
-    // we need to consider multiple engines in the same page
-    if (!global.___eio) global.___eio = [];
-    callbacks = global.___eio;
-  }
-
-  // callback identifier
-  this.index = callbacks.length;
-
-  // add callback to jsonp global
-  var self = this;
-  callbacks.push(function (msg) {
-    self.onData(msg);
-  });
-
-  // append to query string
-  this.query.j = this.index;
-
-  // prevent spurious errors from being emitted when the window is unloaded
-  if (global.document && global.addEventListener) {
-    global.addEventListener('beforeunload', function () {
-      if (self.script) self.script.onerror = empty;
-    });
-  }
-}
-
-/**
- * Inherits from Polling.
- */
-
-inherit(JSONPPolling, Polling);
-
-/*
- * JSONP only supports binary as base64 encoded strings
- */
-
-JSONPPolling.prototype.supportsBinary = false;
-
-/**
- * Closes the socket.
- *
- * @api private
- */
-
-JSONPPolling.prototype.doClose = function () {
-  if (this.script) {
-    this.script.parentNode.removeChild(this.script);
-    this.script = null;
-  }
-
-  if (this.form) {
-    this.form.parentNode.removeChild(this.form);
-    this.form = null;
-  }
-
-  Polling.prototype.doClose.call(this);
-};
-
-/**
- * Starts a poll cycle.
- *
- * @api private
- */
-
-JSONPPolling.prototype.doPoll = function () {
-  var self = this;
-  var script = document.createElement('script');
-
-  if (this.script) {
-    this.script.parentNode.removeChild(this.script);
-    this.script = null;
-  }
-
-  script.async = true;
-  script.src = this.uri();
-  script.onerror = function(e){
-    self.onError('jsonp poll error',e);
-  };
-
-  var insertAt = document.getElementsByTagName('script')[0];
-  insertAt.parentNode.insertBefore(script, insertAt);
-  this.script = script;
-
-  var isUAgecko = 'undefined' != typeof navigator && /gecko/i.test(navigator.userAgent);
-  
-  if (isUAgecko) {
-    setTimeout(function () {
-      var iframe = document.createElement('iframe');
-      document.body.appendChild(iframe);
-      document.body.removeChild(iframe);
-    }, 100);
-  }
-};
-
-/**
- * Writes with a hidden iframe.
- *
- * @param {String} data to send
- * @param {Function} called upon flush.
- * @api private
- */
-
-JSONPPolling.prototype.doWrite = function (data, fn) {
-  var self = this;
-
-  if (!this.form) {
-    var form = document.createElement('form');
-    var area = document.createElement('textarea');
-    var id = this.iframeId = 'eio_iframe_' + this.index;
-    var iframe;
-
-    form.className = 'socketio';
-    form.style.position = 'absolute';
-    form.style.top = '-1000px';
-    form.style.left = '-1000px';
-    form.target = id;
-    form.method = 'POST';
-    form.setAttribute('accept-charset', 'utf-8');
-    area.name = 'd';
-    form.appendChild(area);
-    document.body.appendChild(form);
-
-    this.form = form;
-    this.area = area;
-  }
-
-  this.form.action = this.uri();
-
-  function complete () {
-    initIframe();
-    fn();
-  }
-
-  function initIframe () {
-    if (self.iframe) {
-      try {
-        self.form.removeChild(self.iframe);
-      } catch (e) {
-        self.onError('jsonp polling iframe removal error', e);
-      }
-    }
-
-    try {
-      // ie6 dynamic iframes with target="" support (thanks Chris Lambacher)
-      var html = '<iframe src="javascript:0" name="'+ self.iframeId +'">';
-      iframe = document.createElement(html);
-    } catch (e) {
-      iframe = document.createElement('iframe');
-      iframe.name = self.iframeId;
-      iframe.src = 'javascript:0';
-    }
-
-    iframe.id = self.iframeId;
-
-    self.form.appendChild(iframe);
-    self.iframe = iframe;
-  }
-
-  initIframe();
-
-  // escape \n to prevent it from being converted into \r\n by some UAs
-  // double escaping is required for escaped new lines because unescaping of new lines can be done safely on server-side
-  data = data.replace(rEscapedNewline, '\\\n');
-  this.area.value = data.replace(rNewline, '\\n');
-
-  try {
-    this.form.submit();
-  } catch(e) {}
-
-  if (this.iframe.attachEvent) {
-    this.iframe.onreadystatechange = function(){
-      if (self.iframe.readyState == 'complete') {
-        complete();
-      }
-    };
-  } else {
-    this.iframe.onload = complete;
-  }
-};
-
-},{"./polling":18,"component-inherit":21}],17:[function(require,module,exports){
-var global=typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {};/**
- * Module requirements.
- */
-
-var XMLHttpRequest = require('xmlhttprequest');
-var Polling = require('./polling');
-var Emitter = require('component-emitter');
-var inherit = require('component-inherit');
-var debug = require('debug')('engine.io-client:polling-xhr');
-
-/**
- * Module exports.
- */
-
-module.exports = XHR;
-module.exports.Request = Request;
-
-/**
- * Empty function
- */
-
-function empty(){}
-
-/**
- * XHR Polling constructor.
- *
- * @param {Object} opts
- * @api public
- */
-
-function XHR(opts){
-  Polling.call(this, opts);
-
-  if (global.location) {
-    var isSSL = 'https:' == location.protocol;
-    var port = location.port;
-
-    // some user agents have empty `location.port`
-    if (!port) {
-      port = isSSL ? 443 : 80;
-    }
-
-    this.xd = opts.hostname != global.location.hostname ||
-      port != opts.port;
-  }
-}
-
-/**
- * Inherits from Polling.
- */
-
-inherit(XHR, Polling);
-
-/**
- * XHR supports binary
- */
-
-XHR.prototype.supportsBinary = true;
-
-/**
- * Creates a request.
- *
- * @param {String} method
- * @api private
- */
-
-XHR.prototype.request = function(opts){
-  opts = opts || {};
-  opts.uri = this.uri();
-  opts.xd = this.xd;
-  opts.agent = this.agent || false;
-  opts.supportsBinary = this.supportsBinary;
-  return new Request(opts);
-};
-
-/**
- * Sends data.
- *
- * @param {String} data to send.
- * @param {Function} called upon flush.
- * @api private
- */
-
-XHR.prototype.doWrite = function(data, fn){
-  var isBinary = typeof data !== 'string' && data !== undefined;
-  var req = this.request({ method: 'POST', data: data, isBinary: isBinary });
-  var self = this;
-  req.on('success', fn);
-  req.on('error', function(err){
-    self.onError('xhr post error', err);
-  });
-  this.sendXhr = req;
-};
-
-/**
- * Starts a poll cycle.
- *
- * @api private
- */
-
-XHR.prototype.doPoll = function(){
-  debug('xhr poll');
-  var req = this.request();
-  var self = this;
-  req.on('data', function(data){
-    self.onData(data);
-  });
-  req.on('error', function(err){
-    self.onError('xhr poll error', err);
-  });
-  this.pollXhr = req;
-};
-
-/**
- * Request constructor
- *
- * @param {Object} options
- * @api public
- */
-
-function Request(opts){
-  this.method = opts.method || 'GET';
-  this.uri = opts.uri;
-  this.xd = !!opts.xd;
-  this.async = false !== opts.async;
-  this.data = undefined != opts.data ? opts.data : null;
-  this.agent = opts.agent;
-  this.create(opts.isBinary, opts.supportsBinary);
-}
-
-/**
- * Mix in `Emitter`.
- */
-
-Emitter(Request.prototype);
-
-/**
- * Creates the XHR object and sends the request.
- *
- * @api private
- */
-
-Request.prototype.create = function(isBinary, supportsBinary){
-  var xhr = this.xhr = new XMLHttpRequest({ agent: this.agent, xdomain: this.xd });
-  var self = this;
-
-  try {
-    debug('xhr open %s: %s', this.method, this.uri);
-    xhr.open(this.method, this.uri, this.async);
-    if (supportsBinary) {
-      // This has to be done after open because Firefox is stupid
-      // http://stackoverflow.com/questions/13216903/get-binary-data-with-xmlhttprequest-in-a-firefox-extension
-      xhr.responseType = 'arraybuffer';
-    }
-
-    if ('POST' == this.method) {
-      try {
-        if (isBinary) {
-          xhr.setRequestHeader('Content-type', 'application/octet-stream');
-        } else {
-          xhr.setRequestHeader('Content-type', 'text/plain;charset=UTF-8');
-        }
-      } catch (e) {}
-    }
-
-    // ie6 check
-    if ('withCredentials' in xhr) {
-      xhr.withCredentials = true;
-    }
-
-    xhr.onreadystatechange = function(){
-      var data;
-
-      try {
-        if (4 != xhr.readyState) return;
-        if (200 == xhr.status || 1223 == xhr.status) {
-          var contentType = xhr.getResponseHeader('Content-Type');
-          if (contentType === 'application/octet-stream') {
-            data = xhr.response;
-          } else {
-            if (!supportsBinary) {
-              data = xhr.responseText;
-            } else {
-              data = 'ok';
-            }
-          }
-        } else {
-          // make sure the `error` event handler that's user-set
-          // does not throw in the same tick and gets caught here
-          setTimeout(function(){
-            self.onError(xhr.status);
-          }, 0);
-        }
-      } catch (e) {
-        self.onError(e);
-      }
-
-      if (null != data) {
-        self.onData(data);
-      }
-    };
-
-    debug('xhr data %s', this.data);
-    xhr.send(this.data);
-  } catch (e) {
-    // Need to defer since .create() is called directly fhrom the constructor
-    // and thus the 'error' event can only be only bound *after* this exception
-    // occurs.  Therefore, also, we cannot throw here at all.
-    setTimeout(function() {
-      self.onError(e);
-    }, 0);
-    return;
-  }
-
-  if (global.document) {
-    this.index = Request.requestsCount++;
-    Request.requests[this.index] = this;
-  }
-};
-
-/**
- * Called upon successful response.
- *
- * @api private
- */
-
-Request.prototype.onSuccess = function(){
-  this.emit('success');
-  this.cleanup();
-};
-
-/**
- * Called if we have data.
- *
- * @api private
- */
-
-Request.prototype.onData = function(data){
-  this.emit('data', data);
-  this.onSuccess();
-};
-
-/**
- * Called upon error.
- *
- * @api private
- */
-
-Request.prototype.onError = function(err){
-  this.emit('error', err);
-  this.cleanup();
-};
-
-/**
- * Cleans up house.
- *
- * @api private
- */
-
-Request.prototype.cleanup = function(){
-  if ('undefined' == typeof this.xhr || null === this.xhr) {
-    return;
-  }
-  // xmlhttprequest
-  this.xhr.onreadystatechange = empty;
-
-  try {
-    this.xhr.abort();
-  } catch(e) {}
-
-  if (global.document) {
-    delete Request.requests[this.index];
-  }
-
-  this.xhr = null;
-};
-
-/**
- * Aborts the request.
- *
- * @api public
- */
-
-Request.prototype.abort = function(){
-  this.cleanup();
-};
-
-/**
- * Aborts pending requests when unloading the window. This is needed to prevent
- * memory leaks (e.g. when using IE) and to ensure that no spurious error is
- * emitted.
- */
-
-if (global.document) {
-  Request.requestsCount = 0;
-  Request.requests = {};
-  if (global.attachEvent) {
-    global.attachEvent('onunload', unloadHandler);
-  } else if (global.addEventListener) {
-    global.addEventListener('beforeunload', unloadHandler);
-  }
-}
-
-function unloadHandler() {
-  for (var i in Request.requests) {
-    if (Request.requests.hasOwnProperty(i)) {
-      Request.requests[i].abort();
-    }
-  }
-}
-
-},{"./polling":18,"component-emitter":8,"component-inherit":21,"debug":9,"xmlhttprequest":20}],18:[function(require,module,exports){
-/**
- * Module dependencies.
- */
-
-var Transport = require('../transport');
-var parseqs = require('parseqs');
-var parser = require('engine.io-parser');
-var inherit = require('component-inherit');
-var debug = require('debug')('engine.io-client:polling');
-
-/**
- * Module exports.
- */
-
-module.exports = Polling;
-
-/**
- * Is XHR2 supported?
- */
-
-var hasXHR2 = (function() {
-  var XMLHttpRequest = require('xmlhttprequest');
-  var xhr = new XMLHttpRequest({ agent: this.agent, xdomain: false });
-  return null != xhr.responseType;
-})();
-
-/**
- * Polling interface.
- *
- * @param {Object} opts
- * @api private
- */
-
-function Polling(opts){
-  var forceBase64 = (opts && opts.forceBase64);
-  if (!hasXHR2 || forceBase64) {
-    this.supportsBinary = false;
-  }
-  Transport.call(this, opts);
-}
-
-/**
- * Inherits from Transport.
- */
-
-inherit(Polling, Transport);
-
-/**
- * Transport name.
- */
-
-Polling.prototype.name = 'polling';
-
-/**
- * Opens the socket (triggers polling). We write a PING message to determine
- * when the transport is open.
- *
- * @api private
- */
-
-Polling.prototype.doOpen = function(){
-  this.poll();
-};
-
-/**
- * Pauses polling.
- *
- * @param {Function} callback upon buffers are flushed and transport is paused
- * @api private
- */
-
-Polling.prototype.pause = function(onPause){
-  var pending = 0;
-  var self = this;
-
-  this.readyState = 'pausing';
-
-  function pause(){
-    debug('paused');
-    self.readyState = 'paused';
-    onPause();
-  }
-
-  if (this.polling || !this.writable) {
-    var total = 0;
-
-    if (this.polling) {
-      debug('we are currently polling - waiting to pause');
-      total++;
-      this.once('pollComplete', function(){
-        debug('pre-pause polling complete');
-        --total || pause();
-      });
-    }
-
-    if (!this.writable) {
-      debug('we are currently writing - waiting to pause');
-      total++;
-      this.once('drain', function(){
-        debug('pre-pause writing complete');
-        --total || pause();
-      });
-    }
-  } else {
-    pause();
-  }
-};
-
-/**
- * Starts polling cycle.
- *
- * @api public
- */
-
-Polling.prototype.poll = function(){
-  debug('polling');
-  this.polling = true;
-  this.doPoll();
-  this.emit('poll');
-};
-
-/**
- * Overloads onData to detect payloads.
- *
- * @api private
- */
-
-Polling.prototype.onData = function(data){
-  var self = this;
-  debug('polling got data %s', data);
-  var callback = function(packet, index, total) {
-    // if its the first message we consider the transport open
-    if ('opening' == self.readyState) {
-      self.onOpen();
-    }
-
-    // if its a close packet, we close the ongoing requests
-    if ('close' == packet.type) {
-      self.onClose();
-      return false;
-    }
-
-    // otherwise bypass onData and handle the message
-    self.onPacket(packet);
-  };
-
-  // decode payload
-  parser.decodePayload(data, this.socket.binaryType, callback);
-
-  // if an event did not trigger closing
-  if ('closed' != this.readyState) {
-    // if we got data we're not polling
-    this.polling = false;
-    this.emit('pollComplete');
-
-    if ('open' == this.readyState) {
-      this.poll();
-    } else {
-      debug('ignoring poll - transport state "%s"', this.readyState);
-    }
-  }
-};
-
-/**
- * For polling, send a close packet.
- *
- * @api private
- */
-
-Polling.prototype.doClose = function(){
-  var self = this;
-
-  function close(){
-    debug('writing close packet');
-    self.write([{ type: 'close' }]);
-  }
-
-  if ('open' == this.readyState) {
-    debug('transport open - closing');
-    close();
-  } else {
-    // in case we're trying to close while
-    // handshaking is in progress (GH-164)
-    debug('transport not open - deferring close');
-    this.once('open', close);
-  }
-};
-
-/**
- * Writes a packets payload.
- *
- * @param {Array} data packets
- * @param {Function} drain callback
- * @api private
- */
-
-Polling.prototype.write = function(packets){
-  var self = this;
-  this.writable = false;
-  var callbackfn = function() {
-    self.writable = true;
-    self.emit('drain');
-  };
-
-  var self = this;
-  parser.encodePayload(packets, this.supportsBinary, function(data) {
-    self.doWrite(data, callbackfn);
-  });
-};
-
-/**
- * Generates uri for connection.
- *
- * @api private
- */
-
-Polling.prototype.uri = function(){
-  var query = this.query || {};
-  var schema = this.secure ? 'https' : 'http';
-  var port = '';
-
-  // cache busting is forced
-  if (false !== this.timestampRequests) {
-    query[this.timestampParam] = +new Date + '-' + Transport.timestamps++;
-  }
-
-  if (!this.supportsBinary && !query.sid) {
-    query.b64 = 1;
-  }
-
-  query = parseqs.encode(query);
-
-  // avoid port if default for schema
-  if (this.port && (('https' == schema && this.port != 443) ||
-     ('http' == schema && this.port != 80))) {
-    port = ':' + this.port;
-  }
-
-  // prepend ? to query
-  if (query.length) {
-    query = '?' + query;
-  }
-
-  return schema + '://' + this.hostname + port + this.path + query;
-};
-
-},{"../transport":14,"component-inherit":21,"debug":9,"engine.io-parser":22,"parseqs":30,"xmlhttprequest":20}],19:[function(require,module,exports){
-/**
- * Module dependencies.
- */
-
-var Transport = require('../transport');
-var parser = require('engine.io-parser');
-var parseqs = require('parseqs');
-var inherit = require('component-inherit');
-var debug = require('debug')('engine.io-client:websocket');
-
-/**
- * `ws` exposes a WebSocket-compatible interface in
- * Node, or the `WebSocket` or `MozWebSocket` globals
- * in the browser.
- */
-
-var WebSocket = require('ws');
-
-/**
- * Module exports.
- */
-
-module.exports = WS;
-
-/**
- * WebSocket transport constructor.
- *
- * @api {Object} connection options
- * @api public
- */
-
-function WS(opts){
-  var forceBase64 = (opts && opts.forceBase64);
-  if (forceBase64) {
-    this.supportsBinary = false;
-  }
-  Transport.call(this, opts);
-}
-
-/**
- * Inherits from Transport.
- */
-
-inherit(WS, Transport);
-
-/**
- * Transport name.
- *
- * @api public
- */
-
-WS.prototype.name = 'websocket';
-
-/*
- * WebSockets support binary
- */
-
-WS.prototype.supportsBinary = true;
-
-/**
- * Opens socket.
- *
- * @api private
- */
-
-WS.prototype.doOpen = function(){
-  if (!this.check()) {
-    // let probe timeout
-    return;
-  }
-
-  var self = this;
-  var uri = this.uri();
-  var protocols = void(0);
-  var opts = { agent: this.agent };
-
-  this.ws = new WebSocket(uri, protocols, opts);
-
-  if (this.ws.binaryType === undefined) {
-    this.supportsBinary = false;
-  }
-
-  this.ws.binaryType = 'arraybuffer';
-  this.addEventListeners();
-};
-
-/**
- * Adds event listeners to the socket
- *
- * @api private
- */
-
-WS.prototype.addEventListeners = function(){
-  var self = this;
-
-  this.ws.onopen = function(){
-    self.onOpen();
-  };
-  this.ws.onclose = function(){
-    self.onClose();
-  };
-  this.ws.onmessage = function(ev){
-    self.onData(ev.data);
-  };
-  this.ws.onerror = function(e){
-    self.onError('websocket error', e);
-  };
-};
-
-/**
- * Override `onData` to use a timer on iOS.
- * See: https://gist.github.com/mloughran/2052006
- *
- * @api private
- */
-
-if ('undefined' != typeof navigator
-  && /iPad|iPhone|iPod/i.test(navigator.userAgent)) {
-  WS.prototype.onData = function(data){
-    var self = this;
-    setTimeout(function(){
-      Transport.prototype.onData.call(self, data);
-    }, 0);
-  };
-}
-
-/**
- * Writes data to socket.
- *
- * @param {Array} array of packets.
- * @api private
- */
-
-WS.prototype.write = function(packets){
-  var self = this;
-  this.writable = false;
-  // encodePacket efficient as it uses WS framing
-  // no need for encodePayload
-  for (var i = 0, l = packets.length; i < l; i++) {
-    parser.encodePacket(packets[i], this.supportsBinary, function(data) {
-      //Sometimes the websocket has already been closed but the browser didn't
-      //have a chance of informing us about it yet, in that case send will
-      //throw an error
-      try {
-        self.ws.send(data);
-      } catch (e){
-        debug('websocket closed before onclose event');
-      }
-    });
-  }
-
-  function ondrain() {
-    self.writable = true;
-    self.emit('drain');
-  }
-  // fake drain
-  // defer to next tick to allow Socket to clear writeBuffer
-  setTimeout(ondrain, 0);
-};
-
-/**
- * Called upon close
- *
- * @api private
- */
-
-WS.prototype.onClose = function(){
-  Transport.prototype.onClose.call(this);
-};
-
-/**
- * Closes socket.
- *
- * @api private
- */
-
-WS.prototype.doClose = function(){
-  if (typeof this.ws !== 'undefined') {
-    this.ws.close();
-  }
-};
-
-/**
- * Generates uri for connection.
- *
- * @api private
- */
-
-WS.prototype.uri = function(){
-  var query = this.query || {};
-  var schema = this.secure ? 'wss' : 'ws';
-  var port = '';
-
-  // avoid port if default for schema
-  if (this.port && (('wss' == schema && this.port != 443)
-    || ('ws' == schema && this.port != 80))) {
-    port = ':' + this.port;
-  }
-
-  // append timestamp to URI
-  if (this.timestampRequests) {
-    query[this.timestampParam] = +new Date;
-  }
-
-  // communicate binary support capabilities
-  if (!this.supportsBinary) {
-    query.b64 = 1;
-  }
-
-  query = parseqs.encode(query);
-
-  // prepend ? to query
-  if (query.length) {
-    query = '?' + query;
-  }
-
-  return schema + '://' + this.hostname + port + this.path + query;
-};
-
-/**
- * Feature detection for WebSocket.
- *
- * @return {Boolean} whether this transport is available.
- * @api public
- */
-
-WS.prototype.check = function(){
-  return !!WebSocket && !('__initialize' in WebSocket && this.name === WS.prototype.name);
-};
-
-},{"../transport":14,"component-inherit":21,"debug":9,"engine.io-parser":22,"parseqs":30,"ws":31}],20:[function(require,module,exports){
-// browser shim for xmlhttprequest module
-var hasCORS = require('has-cors');
-
-module.exports = function(opts) {
-  var xdomain = opts.xdomain;
-
-  // XMLHttpRequest can be disabled on IE
-  try {
-    if ('undefined' != typeof XMLHttpRequest && (!xdomain || hasCORS)) {
-      return new XMLHttpRequest();
-    }
-  } catch (e) { }
-
-  if (!xdomain) {
-    try {
-      return new ActiveXObject('Microsoft.XMLHTTP');
-    } catch(e) { }
-  }
-}
-
-},{"has-cors":34}],21:[function(require,module,exports){
-
-module.exports = function(a, b){
-  var fn = function(){};
-  fn.prototype = b.prototype;
-  a.prototype = new fn;
-  a.prototype.constructor = a;
-};
-},{}],22:[function(require,module,exports){
-var global=typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {};/**
- * Module dependencies.
- */
-
-var keys = require('./keys');
-var sliceBuffer = require('arraybuffer.slice');
-var base64encoder = require('base64-arraybuffer');
-var after = require('after');
-var utf8 = require('utf8');
-
-/**
- * Check if we are running an android browser. That requires us to use
- * ArrayBuffer with polling transports...
- *
- * http://ghinda.net/jpeg-blob-ajax-android/
- */
-
-var isAndroid = navigator.userAgent.match(/Android/i);
-
-/**
- * Current protocol version.
- */
-
-exports.protocol = 2;
-
-/**
- * Packet types.
- */
-
-var packets = exports.packets = {
-    open:     0    // non-ws
-  , close:    1    // non-ws
-  , ping:     2
-  , pong:     3
-  , message:  4
-  , upgrade:  5
-  , noop:     6
-};
-
-var packetslist = keys(packets);
-
-/**
- * Premade error packet.
- */
-
-var err = { type: 'error', data: 'parser error' };
-
-/**
- * Create a blob api even for blob builder when vendor prefixes exist
- */
-
-var Blob = require('blob');
-
-/**
- * Encodes a packet.
- *
- *     <packet type id> [ <data> ]
- *
- * Example:
- *
- *     5hello world
- *     3
- *     4
- *
- * Binary is encoded in an identical principle
- *
- * @api private
- */
-
-exports.encodePacket = function (packet, supportsBinary, callback) {
-  if (typeof supportsBinary == 'function') {
-    callback = supportsBinary;
-    supportsBinary = false;
-  }
-
-  var data = (packet.data === undefined)
-    ? undefined
-    : packet.data.buffer || packet.data;
-
-  if (global.ArrayBuffer && data instanceof ArrayBuffer) {
-    return encodeArrayBuffer(packet, supportsBinary, callback);
-  } else if (Blob && data instanceof global.Blob) {
-    return encodeBlob(packet, supportsBinary, callback);
-  }
-
-  // Sending data as a utf-8 string
-  var encoded = packets[packet.type];
-
-  // data fragment is optional
-  if (undefined !== packet.data) {
-    encoded += utf8.encode(String(packet.data));
-  }
-
-  return callback('' + encoded);
-
-};
-
-/**
- * Encode packet helpers for binary types
- */
-
-function encodeArrayBuffer(packet, supportsBinary, callback) {
-  if (!supportsBinary) {
-    return exports.encodeBase64Packet(packet, callback);
-  }
-
-  var data = packet.data;
-  var contentArray = new Uint8Array(data);
-  var resultBuffer = new Uint8Array(1 + data.byteLength);
-
-  resultBuffer[0] = packets[packet.type];
-  for (var i = 0; i < contentArray.length; i++) {
-    resultBuffer[i+1] = contentArray[i];
-  }
-
-  return callback(resultBuffer.buffer);
-}
-
-function encodeBlobAsArrayBuffer(packet, supportsBinary, callback) {
-  if (!supportsBinary) {
-    return exports.encodeBase64Packet(packet, callback);
-  }
-
-  var fr = new FileReader();
-  fr.onload = function() {
-    packet.data = fr.result;
-    exports.encodePacket(packet, supportsBinary, callback);
-  };
-  return fr.readAsArrayBuffer(packet.data);
-}
-
-function encodeBlob(packet, supportsBinary, callback) {
-  if (!supportsBinary) {
-    return exports.encodeBase64Packet(packet, callback);
-  }
-
-  if (isAndroid) {
-    return encodeBlobAsArrayBuffer(packet, supportsBinary, callback);
-  }
-
-  var length = new Uint8Array(1);
-  length[0] = packets[packet.type];
-  var blob = new Blob([length.buffer, packet.data]);
-
-  return callback(blob);
-}
-
-/**
- * Encodes a packet with binary data in a base64 string
- *
- * @param {Object} packet, has `type` and `data`
- * @return {String} base64 encoded message
- */
-
-exports.encodeBase64Packet = function(packet, callback) {
-  var message = 'b' + exports.packets[packet.type];
-  if (Blob && packet.data instanceof Blob) {
-    var fr = new FileReader();
-    fr.onload = function() {
-      var b64 = fr.result.split(',')[1];
-      callback(message + b64);
-    };
-    return fr.readAsDataURL(packet.data);
-  }
-
-  var b64data;
-  try {
-    b64data = String.fromCharCode.apply(null, new Uint8Array(packet.data));
-  } catch (e) {
-    // iPhone Safari doesn't let you apply with typed arrays
-    var typed = new Uint8Array(packet.data);
-    var basic = new Array(typed.length);
-    for (var i = 0; i < typed.length; i++) {
-      basic[i] = typed[i];
-    }
-    b64data = String.fromCharCode.apply(null, basic);
-  }
-  message += global.btoa(b64data);
-  return callback(message);
-};
-
-/**
- * Decodes a packet. Changes format to Blob if requested.
- *
- * @return {Object} with `type` and `data` (if any)
- * @api private
- */
-
-exports.decodePacket = function (data, binaryType) {
-  // String data
-  if (typeof data == 'string' || data === undefined) {
-    if (data.charAt(0) == 'b') {
-      return exports.decodeBase64Packet(data.substr(1), binaryType);
-    }
-
-    data = utf8.decode(data);
-    var type = data.charAt(0);
-
-    if (Number(type) != type || !packetslist[type]) {
-      return err;
-    }
-
-    if (data.length > 1) {
-      return { type: packetslist[type], data: data.substring(1) };
-    } else {
-      return { type: packetslist[type] };
-    }
-  }
-
-  var asArray = new Uint8Array(data);
-  var type = asArray[0];
-  var rest = sliceBuffer(data, 1);
-  if (Blob && binaryType === 'blob') {
-    rest = new Blob([rest]);
-  }
-  return { type: packetslist[type], data: rest };
-};
-
-/**
- * Decodes a packet encoded in a base64 string
- *
- * @param {String} base64 encoded message
- * @return {Object} with `type` and `data` (if any)
- */
-
-exports.decodeBase64Packet = function(msg, binaryType) {
-  var type = packetslist[msg.charAt(0)];
-  if (!global.ArrayBuffer) {
-    return { type: type, data: { base64: true, data: msg.substr(1) } };
-  }
-
-  var data = base64encoder.decode(msg.substr(1));
-
-  if (binaryType === 'blob' && Blob) {
-    data = new Blob([data]);
-  }
-
-  return { type: type, data: data };
-};
-
-/**
- * Encodes multiple messages (payload).
- *
- *     <length>:data
- *
- * Example:
- *
- *     11:hello world2:hi
- *
- * If any contents are binary, they will be encoded as base64 strings. Base64
- * encoded strings are marked with a b before the length specifier
- *
- * @param {Array} packets
- * @api private
- */
-
-exports.encodePayload = function (packets, supportsBinary, callback) {
-  if (typeof supportsBinary == 'function') {
-    callback = supportsBinary;
-    supportsBinary = null;
-  }
-
-  if (supportsBinary) {
-    if (Blob && !isAndroid) {
-      return exports.encodePayloadAsBlob(packets, callback);
-    }
-
-    return exports.encodePayloadAsArrayBuffer(packets, callback);
-  }
-
-  if (!packets.length) {
-    return callback('0:');
-  }
-
-  function setLengthHeader(message) {
-    return message.length + ':' + message;
-  }
-
-  function encodeOne(packet, doneCallback) {
-    exports.encodePacket(packet, supportsBinary, function(message) {
-      doneCallback(null, setLengthHeader(message));
-    });
-  }
-
-  map(packets, encodeOne, function(err, results) {
-    return callback(results.join(''));
-  });
-};
-
-/**
- * Async array map using after
- */
-
-function map(ary, each, done) {
-  var result = new Array(ary.length);
-  var next = after(ary.length, done);
-
-  var eachWithIndex = function(i, el, cb) {
-    each(el, function(error, msg) {
-      result[i] = msg;
-      cb(error, result);
-    });
-  };
-
-  for (var i = 0; i < ary.length; i++) {
-    eachWithIndex(i, ary[i], next);
-  }
-}
-
-/*
- * Decodes data when a payload is maybe expected. Possible binary contents are
- * decoded from their base64 representation
- *
- * @param {String} data, callback method
- * @api public
- */
-
-exports.decodePayload = function (data, binaryType, callback) {
-  if (typeof data != 'string') {
-    return exports.decodePayloadAsBinary(data, binaryType, callback);
-  }
-
-  if (typeof binaryType === 'function') {
-    callback = binaryType;
-    binaryType = null;
-  }
-
-  var packet;
-  if (data == '') {
-    // parser error - ignoring payload
-    return callback(err, 0, 1);
-  }
-
-  var length = ''
-    , n, msg;
-
-  for (var i = 0, l = data.length; i < l; i++) {
-    var chr = data.charAt(i);
-
-    if (':' != chr) {
-      length += chr;
-    } else {
-      if ('' == length || (length != (n = Number(length)))) {
-        // parser error - ignoring payload
-        return callback(err, 0, 1);
-      }
-
-      msg = data.substr(i + 1, n);
-
-      if (length != msg.length) {
-        // parser error - ignoring payload
-        return callback(err, 0, 1);
-      }
-
-      if (msg.length) {
-        packet = exports.decodePacket(msg, binaryType);
-
-        if (err.type == packet.type && err.data == packet.data) {
-          // parser error in individual packet - ignoring payload
-          return callback(err, 0, 1);
-        }
-
-        var ret = callback(packet, i + n, l);
-        if (false === ret) return;
-      }
-
-      // advance cursor
-      i += n;
-      length = '';
-    }
-  }
-
-  if (length != '') {
-    // parser error - ignoring payload
-    return callback(err, 0, 1);
-  }
-
-};
-
-/**
- * Encodes multiple messages (payload) as binary.
- *
- * <1 = binary, 0 = string><number from 0-9><number from 0-9>[...]<number
- * 255><data>
- *
- * Example:
- * 1 3 255 1 2 3, if the binary contents are interpreted as 8 bit integers
- *
- * @param {Array} packets
- * @return {ArrayBuffer} encoded payload
- * @api private
- */
-
-exports.encodePayloadAsArrayBuffer = function(packets, callback) {
-  if (!packets.length) {
-    return callback(new ArrayBuffer(0));
-  }
-
-  function encodeOne(packet, doneCallback) {
-    exports.encodePacket(packet, true, function(data) {
-      return doneCallback(null, data);
-    });
-  }
-
-  map(packets, encodeOne, function(err, encodedPackets) {
-    var totalLength = encodedPackets.reduce(function(acc, p) {
-      var len;
-      if (typeof p === 'string'){
-        len = p.length;
-      } else {
-        len = p.byteLength;
-      }
-      return acc + len.toString().length + len + 2; // string/binary identifier + separator = 2
-    }, 0);
-
-    var resultArray = new Uint8Array(totalLength);
-
-    var bufferIndex = 0;
-    encodedPackets.forEach(function(p) {
-      var isString = typeof p === 'string';
-      var ab = p;
-      if (isString) {
-        var view = new Uint8Array(p.length);
-        for (var i = 0; i < p.length; i++) {
-          view[i] = p.charCodeAt(i);
-        }
-        ab = view.buffer;
-      }
-
-      if (isString) { // not true binary
-        resultArray[bufferIndex++] = 0;
-      } else { // true binary
-        resultArray[bufferIndex++] = 1;
-      }
-
-      var lenStr = ab.byteLength.toString();
-      for (var i = 0; i < lenStr.length; i++) {
-        resultArray[bufferIndex++] = parseInt(lenStr[i]);
-      }
-      resultArray[bufferIndex++] = 255;
-
-      var view = new Uint8Array(ab);
-      for (var i = 0; i < view.length; i++) {
-        resultArray[bufferIndex++] = view[i];
-      }
-    });
-
-    return callback(resultArray.buffer);
-  });
-};
-
-/**
- * Encode as Blob
- */
-
-exports.encodePayloadAsBlob = function(packets, callback) {
-  function encodeOne(packet, doneCallback) {
-    exports.encodePacket(packet, true, function(encoded) {
-      var binaryIdentifier = new Uint8Array(1);
-      binaryIdentifier[0] = 1;
-      if (typeof encoded === 'string') {
-        var view = new Uint8Array(encoded.length);
-        for (var i = 0; i < encoded.length; i++) {
-          view[i] = encoded.charCodeAt(i);
-        }
-        encoded = view.buffer;
-        binaryIdentifier[0] = 0;
-      }
-
-      var len = (encoded instanceof ArrayBuffer)
-        ? encoded.byteLength
-        : encoded.size;
-
-      var lenStr = len.toString();
-      var lengthAry = new Uint8Array(lenStr.length + 1);
-      for (var i = 0; i < lenStr.length; i++) {
-        lengthAry[i] = parseInt(lenStr[i]);
-      }
-      lengthAry[lenStr.length] = 255;
-
-      if (Blob) {
-        var blob = new Blob([binaryIdentifier.buffer, lengthAry.buffer, encoded]);
-        doneCallback(null, blob);
-      }
-    });
-  }
-
-  map(packets, encodeOne, function(err, results) {
-    return callback(new Blob(results));
-  });
-};
-
-/*
- * Decodes data when a payload is maybe expected. Strings are decoded by
- * interpreting each byte as a key code for entries marked to start with 0. See
- * description of encodePayloadAsBinary
- *
- * @param {ArrayBuffer} data, callback method
- * @api public
- */
-
-exports.decodePayloadAsBinary = function (data, binaryType, callback) {
-  if (typeof binaryType === 'function') {
-    callback = binaryType;
-    binaryType = null;
-  }
-
-  var bufferTail = data;
-  var buffers = [];
-
-  while (bufferTail.byteLength > 0) {
-    var tailArray = new Uint8Array(bufferTail);
-    var isString = tailArray[0] === 0;
-    var msgLength = '';
-    for (var i = 1; ; i++) {
-      if (tailArray[i] == 255) break;
-      msgLength += tailArray[i];
-    }
-    bufferTail = sliceBuffer(bufferTail, 2 + msgLength.length);
-    msgLength = parseInt(msgLength);
-
-    var msg = sliceBuffer(bufferTail, 0, msgLength);
-    if (isString) {
-      try {
-        msg = String.fromCharCode.apply(null, new Uint8Array(msg));
-      } catch (e) {
-        // iPhone Safari doesn't let you apply to typed arrays
-        var typed = new Uint8Array(msg);
-        msg = '';
-        for (var i = 0; i < typed.length; i++) {
-          msg += String.fromCharCode(typed[i]);
-        }
-      }
-    }
-    buffers.push(msg);
-    bufferTail = sliceBuffer(bufferTail, msgLength);
-  }
-
-  var total = buffers.length;
-  buffers.forEach(function(buffer, i) {
-    callback(exports.decodePacket(buffer, binaryType), i, total);
-  });
-};
-
-},{"./keys":23,"after":24,"arraybuffer.slice":25,"base64-arraybuffer":26,"blob":27,"utf8":28}],23:[function(require,module,exports){
-
-/**
- * Gets the keys for an object.
- *
- * @return {Array} keys
- * @api private
- */
-
-module.exports = Object.keys || function keys (obj){
-  var arr = [];
-  var has = Object.prototype.hasOwnProperty;
-
-  for (var i in obj) {
-    if (has.call(obj, i)) {
-      arr.push(i);
-    }
-  }
-  return arr;
-};
-
-},{}],24:[function(require,module,exports){
-module.exports = after
-
-function after(count, callback, err_cb) {
-    var bail = false
-    err_cb = err_cb || noop
-    proxy.count = count
-
-    return (count === 0) ? callback() : proxy
-
-    function proxy(err, result) {
-        if (proxy.count <= 0) {
-            throw new Error('after called too many times')
-        }
-        --proxy.count
-
-        // after first error, rest are passed to err_cb
-        if (err) {
-            bail = true
-            callback(err)
-            // future error callbacks will go to error handler
-            callback = err_cb
-        } else if (proxy.count === 0 && !bail) {
-            callback(null, result)
-        }
-    }
-}
-
-function noop() {}
-
-},{}],25:[function(require,module,exports){
-/**
- * An abstraction for slicing an arraybuffer even when
- * ArrayBuffer.prototype.slice is not supported
- *
- * @api public
- */
-
-module.exports = function(arraybuffer, start, end) {
-  var bytes = arraybuffer.byteLength;
-  start = start || 0;
-  end = end || bytes;
-
-  if (arraybuffer.slice) { return arraybuffer.slice(start, end); }
-
-  if (start < 0) { start += bytes; }
-  if (end < 0) { end += bytes; }
-  if (end > bytes) { end = bytes; }
-
-  if (start >= bytes || start >= end || bytes === 0) {
-    return new ArrayBuffer(0);
-  }
-
-  var abv = new Uint8Array(arraybuffer);
-  var result = new Uint8Array(end - start);
-  for (var i = start, ii = 0; i < end; i++, ii++) {
-    result[ii] = abv[i];
-  }
-  return result.buffer;
-};
-
-},{}],26:[function(require,module,exports){
-/*
- * base64-arraybuffer
- * https://github.com/niklasvh/base64-arraybuffer
- *
- * Copyright (c) 2012 Niklas von Hertzen
- * Licensed under the MIT license.
- */
-(function(chars){
-  "use strict";
-
-  exports.encode = function(arraybuffer) {
-    var bytes = new Uint8Array(arraybuffer),
-    i, len = bytes.length, base64 = "";
-
-    for (i = 0; i < len; i+=3) {
-      base64 += chars[bytes[i] >> 2];
-      base64 += chars[((bytes[i] & 3) << 4) | (bytes[i + 1] >> 4)];
-      base64 += chars[((bytes[i + 1] & 15) << 2) | (bytes[i + 2] >> 6)];
-      base64 += chars[bytes[i + 2] & 63];
-    }
-
-    if ((len % 3) === 2) {
-      base64 = base64.substring(0, base64.length - 1) + "=";
-    } else if (len % 3 === 1) {
-      base64 = base64.substring(0, base64.length - 2) + "==";
-    }
-
-    return base64;
-  };
-
-  exports.decode =  function(base64) {
-    var bufferLength = base64.length * 0.75,
-    len = base64.length, i, p = 0,
-    encoded1, encoded2, encoded3, encoded4;
-
-    if (base64[base64.length - 1] === "=") {
-      bufferLength--;
-      if (base64[base64.length - 2] === "=") {
-        bufferLength--;
-      }
-    }
-
-    var arraybuffer = new ArrayBuffer(bufferLength),
-    bytes = new Uint8Array(arraybuffer);
-
-    for (i = 0; i < len; i+=4) {
-      encoded1 = chars.indexOf(base64[i]);
-      encoded2 = chars.indexOf(base64[i+1]);
-      encoded3 = chars.indexOf(base64[i+2]);
-      encoded4 = chars.indexOf(base64[i+3]);
-
-      bytes[p++] = (encoded1 << 2) | (encoded2 >> 4);
-      bytes[p++] = ((encoded2 & 15) << 4) | (encoded3 >> 2);
-      bytes[p++] = ((encoded3 & 3) << 6) | (encoded4 & 63);
-    }
-
-    return arraybuffer;
-  };
-})("ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/");
-
-},{}],27:[function(require,module,exports){
-var global=typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {};/**
- * Create a blob builder even when vendor prefixes exist
- */
-
-var BlobBuilder = global.BlobBuilder
-  || global.WebKitBlobBuilder
-  || global.MSBlobBuilder
-  || global.MozBlobBuilder;
-
-/**
- * Check if Blob constructor is supported
- */
-
-var blobSupported = (function() {
-  try {
-    var b = new Blob(['hi']);
-    return b.size == 2;
-  } catch(e) {
-    return false;
-  }
-})();
-
-/**
- * Check if BlobBuilder is supported
- */
-
-var blobBuilderSupported = BlobBuilder
-  && BlobBuilder.prototype.append
-  && BlobBuilder.prototype.getBlob;
-
-function BlobBuilderConstructor(ary, options) {
-  options = options || {};
-
-  var bb = new BlobBuilder();
-  for (var i = 0; i < ary.length; i++) {
-    bb.append(ary[i]);
-  }
-  return (options.type) ? bb.getBlob(options.type) : bb.getBlob();
-};
-
-module.exports = (function() {
-  if (blobSupported) {
-    return global.Blob;
-  } else if (blobBuilderSupported) {
-    return BlobBuilderConstructor;
-  } else {
-    return undefined;
-  }
-})();
-
-},{}],28:[function(require,module,exports){
-var global=typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {};/*! http://mths.be/utf8js v2.0.0 by @mathias */
-;(function(root) {
-
-	// Detect free variables `exports`
-	var freeExports = typeof exports == 'object' && exports;
-
-	// Detect free variable `module`
-	var freeModule = typeof module == 'object' && module &&
-		module.exports == freeExports && module;
-
-	// Detect free variable `global`, from Node.js or Browserified code,
-	// and use it as `root`
-	var freeGlobal = typeof global == 'object' && global;
-	if (freeGlobal.global === freeGlobal || freeGlobal.window === freeGlobal) {
-		root = freeGlobal;
-	}
-
-	/*--------------------------------------------------------------------------*/
-
-	var stringFromCharCode = String.fromCharCode;
-
-	// Taken from http://mths.be/punycode
-	function ucs2decode(string) {
-		var output = [];
-		var counter = 0;
-		var length = string.length;
-		var value;
-		var extra;
-		while (counter < length) {
-			value = string.charCodeAt(counter++);
-			if (value >= 0xD800 && value <= 0xDBFF && counter < length) {
-				// high surrogate, and there is a next character
-				extra = string.charCodeAt(counter++);
-				if ((extra & 0xFC00) == 0xDC00) { // low surrogate
-					output.push(((value & 0x3FF) << 10) + (extra & 0x3FF) + 0x10000);
-				} else {
-					// unmatched surrogate; only append this code unit, in case the next
-					// code unit is the high surrogate of a surrogate pair
-					output.push(value);
-					counter--;
-				}
-			} else {
-				output.push(value);
-			}
-		}
-		return output;
-	}
-
-	// Taken from http://mths.be/punycode
-	function ucs2encode(array) {
-		var length = array.length;
-		var index = -1;
-		var value;
-		var output = '';
-		while (++index < length) {
-			value = array[index];
-			if (value > 0xFFFF) {
-				value -= 0x10000;
-				output += stringFromCharCode(value >>> 10 & 0x3FF | 0xD800);
-				value = 0xDC00 | value & 0x3FF;
-			}
-			output += stringFromCharCode(value);
-		}
-		return output;
-	}
-
-	/*--------------------------------------------------------------------------*/
-
-	function createByte(codePoint, shift) {
-		return stringFromCharCode(((codePoint >> shift) & 0x3F) | 0x80);
-	}
-
-	function encodeCodePoint(codePoint) {
-		if ((codePoint & 0xFFFFFF80) == 0) { // 1-byte sequence
-			return stringFromCharCode(codePoint);
-		}
-		var symbol = '';
-		if ((codePoint & 0xFFFFF800) == 0) { // 2-byte sequence
-			symbol = stringFromCharCode(((codePoint >> 6) & 0x1F) | 0xC0);
-		}
-		else if ((codePoint & 0xFFFF0000) == 0) { // 3-byte sequence
-			symbol = stringFromCharCode(((codePoint >> 12) & 0x0F) | 0xE0);
-			symbol += createByte(codePoint, 6);
-		}
-		else if ((codePoint & 0xFFE00000) == 0) { // 4-byte sequence
-			symbol = stringFromCharCode(((codePoint >> 18) & 0x07) | 0xF0);
-			symbol += createByte(codePoint, 12);
-			symbol += createByte(codePoint, 6);
-		}
-		symbol += stringFromCharCode((codePoint & 0x3F) | 0x80);
-		return symbol;
-	}
-
-	function utf8encode(string) {
-		var codePoints = ucs2decode(string);
-
-		// console.log(JSON.stringify(codePoints.map(function(x) {
-		// 	return 'U+' + x.toString(16).toUpperCase();
-		// })));
-
-		var length = codePoints.length;
-		var index = -1;
-		var codePoint;
-		var byteString = '';
-		while (++index < length) {
-			codePoint = codePoints[index];
-			byteString += encodeCodePoint(codePoint);
-		}
-		return byteString;
-	}
-
-	/*--------------------------------------------------------------------------*/
-
-	function readContinuationByte() {
-		if (byteIndex >= byteCount) {
-			throw Error('Invalid byte index');
-		}
-
-		var continuationByte = byteArray[byteIndex] & 0xFF;
-		byteIndex++;
-
-		if ((continuationByte & 0xC0) == 0x80) {
-			return continuationByte & 0x3F;
-		}
-
-		// If we end up here, it’s not a continuation byte
-		throw Error('Invalid continuation byte');
-	}
-
-	function decodeSymbol() {
-		var byte1;
-		var byte2;
-		var byte3;
-		var byte4;
-		var codePoint;
-
-		if (byteIndex > byteCount) {
-			throw Error('Invalid byte index');
-		}
-
-		if (byteIndex == byteCount) {
-			return false;
-		}
-
-		// Read first byte
-		byte1 = byteArray[byteIndex] & 0xFF;
-		byteIndex++;
-
-		// 1-byte sequence (no continuation bytes)
-		if ((byte1 & 0x80) == 0) {
-			return byte1;
-		}
-
-		// 2-byte sequence
-		if ((byte1 & 0xE0) == 0xC0) {
-			var byte2 = readContinuationByte();
-			codePoint = ((byte1 & 0x1F) << 6) | byte2;
-			if (codePoint >= 0x80) {
-				return codePoint;
-			} else {
-				throw Error('Invalid continuation byte');
-			}
-		}
-
-		// 3-byte sequence (may include unpaired surrogates)
-		if ((byte1 & 0xF0) == 0xE0) {
-			byte2 = readContinuationByte();
-			byte3 = readContinuationByte();
-			codePoint = ((byte1 & 0x0F) << 12) | (byte2 << 6) | byte3;
-			if (codePoint >= 0x0800) {
-				return codePoint;
-			} else {
-				throw Error('Invalid continuation byte');
-			}
-		}
-
-		// 4-byte sequence
-		if ((byte1 & 0xF8) == 0xF0) {
-			byte2 = readContinuationByte();
-			byte3 = readContinuationByte();
-			byte4 = readContinuationByte();
-			codePoint = ((byte1 & 0x0F) << 0x12) | (byte2 << 0x0C) |
-				(byte3 << 0x06) | byte4;
-			if (codePoint >= 0x010000 && codePoint <= 0x10FFFF) {
-				return codePoint;
-			}
-		}
-
-		throw Error('Invalid UTF-8 detected');
-	}
-
-	var byteArray;
-	var byteCount;
-	var byteIndex;
-	function utf8decode(byteString) {
-		byteArray = ucs2decode(byteString);
-		byteCount = byteArray.length;
-		byteIndex = 0;
-		var codePoints = [];
-		var tmp;
-		while ((tmp = decodeSymbol()) !== false) {
-			codePoints.push(tmp);
-		}
-		return ucs2encode(codePoints);
-	}
-
-	/*--------------------------------------------------------------------------*/
-
-	var utf8 = {
-		'version': '2.0.0',
-		'encode': utf8encode,
-		'decode': utf8decode
-	};
-
-	// Some AMD build optimizers, like r.js, check for specific condition patterns
-	// like the following:
-	if (
-		typeof define == 'function' &&
-		typeof define.amd == 'object' &&
-		define.amd
-	) {
-		define(function() {
-			return utf8;
-		});
-	}	else if (freeExports && !freeExports.nodeType) {
-		if (freeModule) { // in Node.js or RingoJS v0.8.0+
-			freeModule.exports = utf8;
-		} else { // in Narwhal or RingoJS v0.7.0-
-			var object = {};
-			var hasOwnProperty = object.hasOwnProperty;
-			for (var key in utf8) {
-				hasOwnProperty.call(utf8, key) && (freeExports[key] = utf8[key]);
-			}
-		}
-	} else { // in Rhino or a web browser
-		root.utf8 = utf8;
-	}
-
-}(this));
-
-},{}],29:[function(require,module,exports){
-var global=typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {};/**
- * JSON parse.
- *
- * @see Based on jQuery#parseJSON (MIT) and JSON2
- * @api private
- */
-
-var rvalidchars = /^[\],:{}\s]*$/;
-var rvalidescape = /\\(?:["\\\/bfnrt]|u[0-9a-fA-F]{4})/g;
-var rvalidtokens = /"[^"\\\n\r]*"|true|false|null|-?\d+(?:\.\d*)?(?:[eE][+\-]?\d+)?/g;
-var rvalidbraces = /(?:^|:|,)(?:\s*\[)+/g;
-var rtrimLeft = /^\s+/;
-var rtrimRight = /\s+$/;
-
-module.exports = function parsejson(data) {
-  if ('string' != typeof data || !data) {
-    return null;
-  }
-
-  data = data.replace(rtrimLeft, '').replace(rtrimRight, '');
-
-  // Attempt to parse using the native JSON parser first
-  if (global.JSON && JSON.parse) {
-    return JSON.parse(data);
-  }
-
-  if (rvalidchars.test(data.replace(rvalidescape, '@')
-      .replace(rvalidtokens, ']')
-      .replace(rvalidbraces, ''))) {
-    return (new Function('return ' + data))();
-  }
-};
-},{}],30:[function(require,module,exports){
-/**
- * Compiles a querystring
- * Returns string representation of the object
- *
- * @param {Object}
- * @api private
- */
-
-exports.encode = function (obj) {
-  var str = '';
-
-  for (var i in obj) {
-    if (obj.hasOwnProperty(i)) {
-      if (str.length) str += '&';
-      str += encodeURIComponent(i) + '=' + encodeURIComponent(obj[i]);
-    }
-  }
-
-  return str;
-};
-
-/**
- * Parses a simple querystring into an object
- *
- * @param {String} qs
- * @api private
- */
-
-exports.decode = function(qs){
-  var qry = {};
-  var pairs = qs.split('&');
-  for (var i = 0, l = pairs.length; i < l; i++) {
-    var pair = pairs[i].split('=');
-    qry[decodeURIComponent(pair[0])] = decodeURIComponent(pair[1]);
-  }
-  return qry;
-};
-
-},{}],31:[function(require,module,exports){
-
-/**
- * Module dependencies.
- */
-
-var global = (function() { return this; })();
-
-/**
- * WebSocket constructor.
- */
-
-var WebSocket = global.WebSocket || global.MozWebSocket;
-
-/**
- * Module exports.
- */
-
-module.exports = WebSocket ? ws : null;
-
-/**
- * WebSocket constructor.
- *
- * The third `opts` options object gets ignored in web browsers, since it's
- * non-standard, and throws a TypeError if passed to the constructor.
- * See: https://github.com/einaros/ws/issues/227
- *
- * @param {String} uri
- * @param {Array} protocols (optional)
- * @param {Object) opts (optional)
- * @api public
- */
-
-function ws(uri, protocols, opts) {
-  var instance;
-  if (protocols) {
-    instance = new WebSocket(uri, protocols);
-  } else {
-    instance = new WebSocket(uri);
-  }
-  return instance;
-}
-
-if (WebSocket) ws.prototype = WebSocket.prototype;
-
-},{}],32:[function(require,module,exports){
-var global=typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {};/*
- * Module requirements.
- */
-
-var isArray = require('isarray');
-
-/**
- * Module exports.
- */
-
-module.exports = hasBinary;
-
-/**
- * Checks for binary data.
- *
- * Right now only Buffer and ArrayBuffer are supported..
- *
- * @param {Object} anything
- * @api public
- */
-
-function hasBinary(data) {
-
-  function recursiveCheckForBinary(obj) { 
-    if (!obj) return false;
-
-    if ( (global.Buffer && Buffer.isBuffer(obj)) ||
-         (global.ArrayBuffer && obj instanceof ArrayBuffer) ||
-         (global.Blob && obj instanceof Blob) ||
-         (global.File && obj instanceof File)
-        ) {
-      return true;
-    }
-
-    if (isArray(obj)) {
-      for (var i = 0; i < obj.length; i++) {
-          if (recursiveCheckForBinary(obj[i])) {
-              return true;
-          }
-      }
-    } else if (obj && 'object' == typeof obj) {
-      if (obj.toJSON) {
-        obj = obj.toJSON();
-      }
-
-      for (var key in obj) {
-        if (recursiveCheckForBinary(obj[key])) {
-          return true;
-        }
-      }
-    }
-
-    return false;
-  }
-
-  return recursiveCheckForBinary(data);
-}
-
-},{"isarray":33}],33:[function(require,module,exports){
-module.exports = Array.isArray || function (arr) {
-  return Object.prototype.toString.call(arr) == '[object Array]';
-};
-
-},{}],34:[function(require,module,exports){
-
-/**
- * Module dependencies.
- */
-
-var global = require('global');
-
-/**
- * Module exports.
- *
- * Logic borrowed from Modernizr:
- *
- *   - https://github.com/Modernizr/Modernizr/blob/master/feature-detects/cors.js
- */
-
-try {
-  module.exports = 'XMLHttpRequest' in global &&
-    'withCredentials' in new global.XMLHttpRequest();
-} catch (err) {
-  // if XMLHttp support is disabled in IE then it will throw
-  // when trying to create
-  module.exports = false;
-}
-
-},{"global":35}],35:[function(require,module,exports){
-
-/**
- * Returns `this`. Execute this without a "context" (i.e. without it being
- * attached to an object of the left-hand side), and `this` points to the
- * "global" scope of the current JS execution.
- */
-
-module.exports = (function () { return this; })();
-
-},{}],36:[function(require,module,exports){
-
-var indexOf = [].indexOf;
-
-module.exports = function(arr, obj){
-  if (indexOf) return arr.indexOf(obj);
-  for (var i = 0; i < arr.length; ++i) {
-    if (arr[i] === obj) return i;
-  }
-  return -1;
-};
-},{}],37:[function(require,module,exports){
-
-/**
- * HOP ref.
- */
-
-var has = Object.prototype.hasOwnProperty;
-
-/**
- * Return own keys in `obj`.
- *
- * @param {Object} obj
- * @return {Array}
- * @api public
- */
-
-exports.keys = Object.keys || function(obj){
-  var keys = [];
-  for (var key in obj) {
-    if (has.call(obj, key)) {
-      keys.push(key);
-    }
-  }
-  return keys;
-};
-
-/**
- * Return own values in `obj`.
- *
- * @param {Object} obj
- * @return {Array}
- * @api public
- */
-
-exports.values = function(obj){
-  var vals = [];
-  for (var key in obj) {
-    if (has.call(obj, key)) {
-      vals.push(obj[key]);
-    }
-  }
-  return vals;
-};
-
-/**
- * Merge `b` into `a`.
- *
- * @param {Object} a
- * @param {Object} b
- * @return {Object} a
- * @api public
- */
-
-exports.merge = function(a, b){
-  for (var key in b) {
-    if (has.call(b, key)) {
-      a[key] = b[key];
-    }
-  }
-  return a;
-};
-
-/**
- * Return length of `obj`.
- *
- * @param {Object} obj
- * @return {Number}
- * @api public
- */
-
-exports.length = function(obj){
-  return exports.keys(obj).length;
-};
-
-/**
- * Check if `obj` is empty.
- *
- * @param {Object} obj
- * @return {Boolean}
- * @api public
- */
-
-exports.isEmpty = function(obj){
-  return 0 == exports.length(obj);
-};
-},{}],38:[function(require,module,exports){
-/**
- * Parses an URI
- *
- * @author Steven Levithan <stevenlevithan.com> (MIT license)
- * @api private
- */
-
-var re = /^(?:(?![^:@]+:[^:@\/]*@)(http|https|ws|wss):\/\/)?((?:(([^:@]*)(?::([^:@]*))?)?@)?((?:[a-f0-9]{0,4}:){2,7}[a-f0-9]{0,4}|[^:\/?#]*)(?::(\d*))?)(((\/(?:[^?#](?![^?#\/]*\.[^?#\/.]+(?:[?#]|$)))*\/?)?([^?#\/]*))(?:\?([^#]*))?(?:#(.*))?)/;
-
-var parts = [
-    'source', 'protocol', 'authority', 'userInfo', 'user', 'password', 'host'
-  , 'port', 'relative', 'path', 'directory', 'file', 'query', 'anchor'
-];
-
-module.exports = function parseuri(str) {
-  var m = re.exec(str || '')
-    , uri = {}
-    , i = 14;
-
-  while (i--) {
-    uri[parts[i]] = m[i] || '';
-  }
-
-  return uri;
-};
-
-},{}],39:[function(require,module,exports){
-var global=typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {};/**
- * Modle requirements
- */
-
-var isArray = require('isarray');
-
-/**
- * Replaces every Buffer | ArrayBuffer in packet with a numbered placeholder.
- * Anything with blobs or files should be fed through removeBlobs before coming
- * here.
- *
- * @param {Object} packet - socket.io event packet
- * @return {Object} with deconstructed packet and list of buffers
- * @api public
- */
-
-exports.deconstructPacket = function(packet) {
-    var buffers = [];
-    var packetData = packet.data;
-
-    function deconstructBinPackRecursive(data) {
-        if (!data) return data;
-
-        if ((global.Buffer && Buffer.isBuffer(data)) ||
-            (global.ArrayBuffer && data instanceof ArrayBuffer)) { // replace binary
-            var placeholder = {_placeholder: true, num: buffers.length};
-            buffers.push(data);
-            return placeholder;
-        } else if (isArray(data)) {
-            var newData = new Array(data.length);
-            for (var i = 0; i < data.length; i++) {
-                newData[i] = deconstructBinPackRecursive(data[i]);
-            }
-            return newData;
-        } else if ('object' == typeof data && !(data instanceof Date)) {
-            var newData = {};
-            for (var key in data) {
-                newData[key] = deconstructBinPackRecursive(data[key]);
-            }
-            return newData;
-        }
-        return data;
-    }
-
-    var pack = packet;
-    pack.data = deconstructBinPackRecursive(packetData);
-    pack.attachments = buffers.length; // number of binary 'attachments'
-    return {packet: pack, buffers: buffers};
-}
-
-/**
- * Reconstructs a binary packet from its placeholder packet and buffers
- *
- * @param {Object} packet - event packet with placeholders
- * @param {Array} buffers - binary buffers to put in placeholder positions
- * @return {Object} reconstructed packet
- * @api public
- */
-
- exports.reconstructPacket = function(packet, buffers) {
-    var curPlaceHolder = 0;
-
-    function reconstructBinPackRecursive(data) {
-        if (data && data._placeholder) {
-            var buf = buffers[data.num]; // appropriate buffer (should be natural order anyway)
-            return buf;
-        } else if (isArray(data)) {
-            for (var i = 0; i < data.length; i++) {
-                data[i] = reconstructBinPackRecursive(data[i]);
-            }
-            return data;
-        } else if (data && 'object' == typeof data) {
-            for (var key in data) {
-                data[key] = reconstructBinPackRecursive(data[key]);
-            }
-            return data;
-        }
-        return data;
-    }
-
-    packet.data = reconstructBinPackRecursive(packet.data);
-    packet.attachments = undefined; // no longer useful
-    return packet;
- }
-
-/**
- * Asynchronously removes Blobs or Files from data via
- * FileReader's readAsArrayBuffer method. Used before encoding
- * data as msgpack. Calls callback with the blobless data.
- *
- * @param {Object} data
- * @param {Function} callback
- * @api private
- */
-
-exports.removeBlobs = function(data, callback) {
-
-  function removeBlobsRecursive(obj, curKey, containingObject) {
-    if (!obj) return obj;
-
-    // convert any blob
-    if ((global.Blob && obj instanceof Blob) ||
-        (global.File && obj instanceof File)) {
-      pendingBlobs++;
-
-      // async filereader
-      var fileReader = new FileReader();
-      fileReader.onload = function() { // this.result == arraybuffer
-        if (containingObject) {
-          containingObject[curKey] = this.result;
-        }
-        else {
-          bloblessData = this.result;
-        }
-
-        // if nothing pending its callback time
-        if(! --pendingBlobs) {
-          callback(bloblessData);
-        }
-      };
-
-      fileReader.readAsArrayBuffer(obj); // blob -> arraybuffer
-    }
-
-    if (isArray(obj)) { // handle array
-      for (var i = 0; i < obj.length; i++) {
-        removeBlobsRecursive(obj[i], i, obj);
-      }
-    } else if (obj && 'object' == typeof obj && !isBuf(obj)) { // and object
-      for (var key in obj) {
-        removeBlobsRecursive(obj[key], key, obj);
-      }
-    }
-  }
-
-  var pendingBlobs = 0;
-  var bloblessData = data;
-  removeBlobsRecursive(bloblessData);
-  if (!pendingBlobs) {
-    callback(bloblessData);
-  }
-}
-
-/**
- * Returns true if obj is a buffer or an arraybuffer.
- *
- * @api private
- */
-function isBuf(obj) {
-  return (global.Buffer && Buffer.isBuffer(obj)) ||
-         (global.ArrayBuffer && obj instanceof ArrayBuffer);
-}
-
-},{"isarray":41}],40:[function(require,module,exports){
-var global=typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {};
-/**
- * Module dependencies.
- */
-
-var debug = require('debug')('socket.io-parser');
-var json = require('json3');
-var isArray = require('isarray');
-var Emitter = require('emitter');
-var binary = require('./binary');
-
-/**
- * Protocol version.
- *
- * @api public
- */
-
-exports.protocol = 3;
-
-/**
- * Packet types.
- *
- * @api public
- */
-
-exports.types = [
-  'CONNECT',
-  'DISCONNECT',
-  'EVENT',
-  'BINARY_EVENT',
-  'ACK',
-  'BINARY_ACK',
-  'ERROR'
-];
-
-/**
- * Packet type `connect`.
- *
- * @api public
- */
-
-exports.CONNECT = 0;
-
-/**
- * Packet type `disconnect`.
- *
- * @api public
- */
-
-exports.DISCONNECT = 1;
-
-/**
- * Packet type `event`.
- *
- * @api public
- */
-
-exports.EVENT = 2;
-
-/**
- * Packet type `ack`.
- *
- * @api public
- */
-
-exports.ACK = 3;
-
-/**
- * Packet type `error`.
- *
- * @api public
- */
-
-exports.ERROR = 4;
-
-/**
- * Packet type 'binary event'
- *
- * @api public
- */
-
-exports.BINARY_EVENT = 5;
-
-/**
- * Packet type `binary ack`. For acks with binary arguments.
- *
- * @api public
- */
-
-exports.BINARY_ACK = 6;
-
-exports.Encoder = Encoder
-
-/**
- * A socket.io Encoder instance
- *
- * @api public
- */
-function Encoder() {};
-
-/**
- * Encode a packet as a single string if non-binary, or as a
- * buffer sequence, depending on packet type.
- *
- * @param {Object} obj - packet object
- * @param {Function} callback - function to handle encodings (likely engine.write)
- * @return Calls callback with Array of encodings
- * @api public
- */
-
-Encoder.prototype.encode = function(obj, callback){
-  debug('encoding packet %j', obj);
-
-  if (exports.BINARY_EVENT == obj.type || exports.BINARY_ACK == obj.type) {
-    encodeAsBinary(obj, callback);
-  }
-  else {
-    var encoding = encodeAsString(obj);
-    callback([encoding]);
-  }
-};
-
-/**
- * Encode packet as string.
- *
- * @param {Object} packet
- * @return {String} encoded
- * @api private
- */
-
-function encodeAsString(obj) {
-  var str = '';
-  var nsp = false;
-
-  // first is type
-  str += obj.type;
-
-  // attachments if we have them
-  if (exports.BINARY_EVENT == obj.type || exports.BINARY_ACK == obj.type) {
-    str += obj.attachments;
-    str += '-';
-  }
-
-  // if we have a namespace other than `/`
-  // we append it followed by a comma `,`
-  if (obj.nsp && '/' != obj.nsp) {
-    nsp = true;
-    str += obj.nsp;
-  }
-
-  // immediately followed by the id
-  if (null != obj.id) {
-    if (nsp) {
-      str += ',';
-      nsp = false;
-    }
-    str += obj.id;
-  }
-
-  // json data
-  if (null != obj.data) {
-    if (nsp) str += ',';
-    str += json.stringify(obj.data);
-  }
-
-  debug('encoded %j as %s', obj, str);
-  return str;
-}
-
-/**
- * Encode packet as 'buffer sequence' by removing blobs, and
- * deconstructing packet into object with placeholders and
- * a list of buffers.
- *
- * @param {Object} packet
- * @return {Buffer} encoded
- * @api private
- */
-
-function encodeAsBinary(obj, callback) {
-
-  function writeEncoding(bloblessData) {
-    var deconstruction = binary.deconstructPacket(bloblessData);
-    var pack = encodeAsString(deconstruction.packet);
-    var buffers = deconstruction.buffers;
-
-    buffers.unshift(pack); // add packet info to beginning of data list
-    callback(buffers); // write all the buffers
-  }
-
-  binary.removeBlobs(obj, writeEncoding);
-}
-
-exports.Decoder = Decoder
-
-/**
- * A socket.io Decoder instance
- *
- * @return {Object} decoder
- * @api public
- */
-
-function Decoder() {
-  this.reconstructor = null;
-}
-
-/**
- * Mix in `Emitter` with Decoder.
- */
-
-Emitter(Decoder.prototype);
-
-/**
- * Decodes an ecoded packet string into packet JSON.
- *
- * @param {String} obj - encoded packet
- * @return {Object} packet
- * @api public
- */
-
-Decoder.prototype.add = function(obj) {
-  var packet;
-  if ('string' == typeof obj) {
-    packet = decodeString(obj);
-    if (exports.BINARY_EVENT == packet.type || exports.BINARY_ACK == packet.type) { // binary packet's json
-      this.reconstructor = new BinaryReconstructor(packet);
-
-      // no attachments, labeled binary but no binary data to follow
-      if (this.reconstructor.reconPack.attachments == 0) {
-        this.emit('decoded', packet);
-      }
-    } else { // non-binary full packet
-      this.emit('decoded', packet);
-    }
-  }
-  else if ((global.Buffer && Buffer.isBuffer(obj)) ||
-            (global.ArrayBuffer && obj instanceof ArrayBuffer) ||
-            obj.base64) { // raw binary data
-    if (!this.reconstructor) {
-      throw new Error('got binary data when not reconstructing a packet');
-    } else {
-      packet = this.reconstructor.takeBinaryData(obj);
-      if (packet) { // received final buffer
-        this.reconstructor = null;
-        this.emit('decoded', packet);
-      }
-    }
-  }
-  else {
-    throw new Error('Unknown type: ' + obj);
-  }
-}
-
-/**
- * Decode a packet String (JSON data)
- *
- * @param {String} str
- * @return {Object} packet
- * @api private
- */
-
-function decodeString(str) {
-  var p = {};
-  var i = 0;
-
-  // look up type
-  p.type = Number(str.charAt(0));
-  if (null == exports.types[p.type]) return error();
-
-  // look up attachments if type binary
-  if (exports.BINARY_EVENT == p.type || exports.BINARY_ACK == p.type) {
-    p.attachments = '';
-    while (str.charAt(++i) != '-') {
-      p.attachments += str.charAt(i);
-    }
-    p.attachments = Number(p.attachments);
-  }
-
-  // look up namespace (if any)
-  if ('/' == str.charAt(i + 1)) {
-    p.nsp = '';
-    while (++i) {
-      var c = str.charAt(i);
-      if (',' == c) break;
-      p.nsp += c;
-      if (i + 1 == str.length) break;
-    }
-  } else {
-    p.nsp = '/';
-  }
-
-  // look up id
-  var next = str.charAt(i + 1);
-  if ('' != next && Number(next) == next) {
-    p.id = '';
-    while (++i) {
-      var c = str.charAt(i);
-      if (null == c || Number(c) != c) {
-        --i;
-        break;
-      }
-      p.id += str.charAt(i);
-      if (i + 1 == str.length) break;
-    }
-    p.id = Number(p.id);
-  }
-
-  // look up json data
-  if (str.charAt(++i)) {
-    try {
-      p.data = json.parse(str.substr(i));
-    } catch(e){
-      return error();
-    }
-  }
-
-  debug('decoded %s as %j', str, p);
-  return p;
-};
-
-/**
- * Deallocates a parser's resources
- *
- * @api public
- */
-
-Decoder.prototype.destroy = function() {
-  if (this.reconstructor) {
-    this.reconstructor.finishedReconstruction();
-  }
-}
-
-/**
- * A manager of a binary event's 'buffer sequence'. Should
- * be constructed whenever a packet of type BINARY_EVENT is
- * decoded.
- *
- * @param {Object} packet
- * @return {BinaryReconstructor} initialized reconstructor
- * @api private
- */
-
-function BinaryReconstructor(packet) {
-  this.reconPack = packet;
-  this.buffers = [];
-}
-
-/**
- * Method to be called when binary data received from connection
- * after a BINARY_EVENT packet.
- *
- * @param {Buffer | ArrayBuffer} binData - the raw binary data received
- * @return {null | Object} returns null if more binary data is expected or
- *   a reconstructed packet object if all buffers have been received.
- * @api private
- */
-
-BinaryReconstructor.prototype.takeBinaryData = function(binData) {
-  this.buffers.push(binData);
-  if (this.buffers.length == this.reconPack.attachments) { // done with buffer list
-    var packet = binary.reconstructPacket(this.reconPack, this.buffers);
-    this.finishedReconstruction();
-    return packet;
-  }
-  return null;
-}
-
-/**
- * Cleans up binary packet reconstruction variables.
- *
- * @api private
- */
-
-BinaryReconstructor.prototype.finishedReconstruction = function() {
-  this.reconPack = null;
-  this.buffers = [];
-}
-
-function error(data){
-  return {
-    type: exports.ERROR,
-    data: 'parser error'
-  };
-}
-
-},{"./binary":39,"debug":9,"emitter":10,"isarray":41,"json3":42}],41:[function(require,module,exports){
-module.exports=require(33)
-},{}],42:[function(require,module,exports){
-/*! JSON v3.2.6 | http://bestiejs.github.io/json3 | Copyright 2012-2013, Kit Cambridge | http://kit.mit-license.org */
-;(function (window) {
-  // Convenience aliases.
-  var getClass = {}.toString, isProperty, forEach, undef;
-
-  // Detect the `define` function exposed by asynchronous module loaders. The
-  // strict `define` check is necessary for compatibility with `r.js`.
-  var isLoader = typeof define === "function" && define.amd;
-
-  // Detect native implementations.
-  var nativeJSON = typeof JSON == "object" && JSON;
-
-  // Set up the JSON 3 namespace, preferring the CommonJS `exports` object if
-  // available.
-  var JSON3 = typeof exports == "object" && exports && !exports.nodeType && exports;
-
-  if (JSON3 && nativeJSON) {
-    // Explicitly delegate to the native `stringify` and `parse`
-    // implementations in CommonJS environments.
-    JSON3.stringify = nativeJSON.stringify;
-    JSON3.parse = nativeJSON.parse;
-  } else {
-    // Export for web browsers, JavaScript engines, and asynchronous module
-    // loaders, using the global `JSON` object if available.
-    JSON3 = window.JSON = nativeJSON || {};
-  }
-
-  // Test the `Date#getUTC*` methods. Based on work by @Yaffle.
-  var isExtended = new Date(-3509827334573292);
-  try {
-    // The `getUTCFullYear`, `Month`, and `Date` methods return nonsensical
-    // results for certain dates in Opera >= 10.53.
-    isExtended = isExtended.getUTCFullYear() == -109252 && isExtended.getUTCMonth() === 0 && isExtended.getUTCDate() === 1 &&
-      // Safari < 2.0.2 stores the internal millisecond time value correctly,
-      // but clips the values returned by the date methods to the range of
-      // signed 32-bit integers ([-2 ** 31, 2 ** 31 - 1]).
-      isExtended.getUTCHours() == 10 && isExtended.getUTCMinutes() == 37 && isExtended.getUTCSeconds() == 6 && isExtended.getUTCMilliseconds() == 708;
-  } catch (exception) {}
-
-  // Internal: Determines whether the native `JSON.stringify` and `parse`
-  // implementations are spec-compliant. Based on work by Ken Snyder.
-  function has(name) {
-    if (has[name] !== undef) {
-      // Return cached feature test result.
-      return has[name];
-    }
-
-    var isSupported;
-    if (name == "bug-string-char-index") {
-      // IE <= 7 doesn't support accessing string characters using square
-      // bracket notation. IE 8 only supports this for primitives.
-      isSupported = "a"[0] != "a";
-    } else if (name == "json") {
-      // Indicates whether both `JSON.stringify` and `JSON.parse` are
-      // supported.
-      isSupported = has("json-stringify") && has("json-parse");
-    } else {
-      var value, serialized = '{"a":[1,true,false,null,"\\u0000\\b\\n\\f\\r\\t"]}';
-      // Test `JSON.stringify`.
-      if (name == "json-stringify") {
-        var stringify = JSON3.stringify, stringifySupported = typeof stringify == "function" && isExtended;
-        if (stringifySupported) {
-          // A test function object with a custom `toJSON` method.
-          (value = function () {
-            return 1;
-          }).toJSON = value;
-          try {
-            stringifySupported =
-              // Firefox 3.1b1 and b2 serialize string, number, and boolean
-              // primitives as object literals.
-              stringify(0) === "0" &&
-              // FF 3.1b1, b2, and JSON 2 serialize wrapped primitives as object
-              // literals.
-              stringify(new Number()) === "0" &&
-              stringify(new String()) == '""' &&
-              // FF 3.1b1, 2 throw an error if the value is `null`, `undefined`, or
-              // does not define a canonical JSON representation (this applies to
-              // objects with `toJSON` properties as well, *unless* they are nested
-              // within an object or array).
-              stringify(getClass) === undef &&
-              // IE 8 serializes `undefined` as `"undefined"`. Safari <= 5.1.7 and
-              // FF 3.1b3 pass this test.
-              stringify(undef) === undef &&
-              // Safari <= 5.1.7 and FF 3.1b3 throw `Error`s and `TypeError`s,
-              // respectively, if the value is omitted entirely.
-              stringify() === undef &&
-              // FF 3.1b1, 2 throw an error if the given value is not a number,
-              // string, array, object, Boolean, or `null` literal. This applies to
-              // objects with custom `toJSON` methods as well, unless they are nested
-              // inside object or array literals. YUI 3.0.0b1 ignores custom `toJSON`
-              // methods entirely.
-              stringify(value) === "1" &&
-              stringify([value]) == "[1]" &&
-              // Prototype <= 1.6.1 serializes `[undefined]` as `"[]"` instead of
-              // `"[null]"`.
-              stringify([undef]) == "[null]" &&
-              // YUI 3.0.0b1 fails to serialize `null` literals.
-              stringify(null) == "null" &&
-              // FF 3.1b1, 2 halts serialization if an array contains a function:
-              // `[1, true, getClass, 1]` serializes as "[1,true,],". FF 3.1b3
-              // elides non-JSON values from objects and arrays, unless they
-              // define custom `toJSON` methods.
-              stringify([undef, getClass, null]) == "[null,null,null]" &&
-              // Simple serialization test. FF 3.1b1 uses Unicode escape sequences
-              // where character escape codes are expected (e.g., `\b` => `\u0008`).
-              stringify({ "a": [value, true, false, null, "\x00\b\n\f\r\t"] }) == serialized &&
-              // FF 3.1b1 and b2 ignore the `filter` and `width` arguments.
-              stringify(null, value) === "1" &&
-              stringify([1, 2], null, 1) == "[\n 1,\n 2\n]" &&
-              // JSON 2, Prototype <= 1.7, and older WebKit builds incorrectly
-              // serialize extended years.
-              stringify(new Date(-8.64e15)) == '"-271821-04-20T00:00:00.000Z"' &&
-              // The milliseconds are optional in ES 5, but required in 5.1.
-              stringify(new Date(8.64e15)) == '"+275760-09-13T00:00:00.000Z"' &&
-              // Firefox <= 11.0 incorrectly serializes years prior to 0 as negative
-              // four-digit years instead of six-digit years. Credits: @Yaffle.
-              stringify(new Date(-621987552e5)) == '"-000001-01-01T00:00:00.000Z"' &&
-              // Safari <= 5.1.5 and Opera >= 10.53 incorrectly serialize millisecond
-              // values less than 1000. Credits: @Yaffle.
-              stringify(new Date(-1)) == '"1969-12-31T23:59:59.999Z"';
-          } catch (exception) {
-            stringifySupported = false;
-          }
-        }
-        isSupported = stringifySupported;
-      }
-      // Test `JSON.parse`.
-      if (name == "json-parse") {
-        var parse = JSON3.parse;
-        if (typeof parse == "function") {
-          try {
-            // FF 3.1b1, b2 will throw an exception if a bare literal is provided.
-            // Conforming implementations should also coerce the initial argument to
-            // a string prior to parsing.
-            if (parse("0") === 0 && !parse(false)) {
-              // Simple parsing test.
-              value = parse(serialized);
-              var parseSupported = value["a"].length == 5 && value["a"][0] === 1;
-              if (parseSupported) {
-                try {
-                  // Safari <= 5.1.2 and FF 3.1b1 allow unescaped tabs in strings.
-                  parseSupported = !parse('"\t"');
-                } catch (exception) {}
-                if (parseSupported) {
-                  try {
-                    // FF 4.0 and 4.0.1 allow leading `+` signs and leading
-                    // decimal points. FF 4.0, 4.0.1, and IE 9-10 also allow
-                    // certain octal literals.
-                    parseSupported = parse("01") !== 1;
-                  } catch (exception) {}
-                }
-                if (parseSupported) {
-                  try {
-                    // FF 4.0, 4.0.1, and Rhino 1.7R3-R4 allow trailing decimal
-                    // points. These environments, along with FF 3.1b1 and 2,
-                    // also allow trailing commas in JSON objects and arrays.
-                    parseSupported = parse("1.") !== 1;
-                  } catch (exception) {}
-                }
-              }
-            }
-          } catch (exception) {
-            parseSupported = false;
-          }
-        }
-        isSupported = parseSupported;
-      }
-    }
-    return has[name] = !!isSupported;
-  }
-
-  if (!has("json")) {
-    // Common `[[Class]]` name aliases.
-    var functionClass = "[object Function]";
-    var dateClass = "[object Date]";
-    var numberClass = "[object Number]";
-    var stringClass = "[object String]";
-    var arrayClass = "[object Array]";
-    var booleanClass = "[object Boolean]";
-
-    // Detect incomplete support for accessing string characters by index.
-    var charIndexBuggy = has("bug-string-char-index");
-
-    // Define additional utility methods if the `Date` methods are buggy.
-    if (!isExtended) {
-      var floor = Math.floor;
-      // A mapping between the months of the year and the number of days between
-      // January 1st and the first of the respective month.
-      var Months = [0, 31, 59, 90, 120, 151, 181, 212, 243, 273, 304, 334];
-      // Internal: Calculates the number of days between the Unix epoch and the
-      // first day of the given month.
-      var getDay = function (year, month) {
-        return Months[month] + 365 * (year - 1970) + floor((year - 1969 + (month = +(month > 1))) / 4) - floor((year - 1901 + month) / 100) + floor((year - 1601 + month) / 400);
-      };
-    }
-
-    // Internal: Determines if a property is a direct property of the given
-    // object. Delegates to the native `Object#hasOwnProperty` method.
-    if (!(isProperty = {}.hasOwnProperty)) {
-      isProperty = function (property) {
-        var members = {}, constructor;
-        if ((members.__proto__ = null, members.__proto__ = {
-          // The *proto* property cannot be set multiple times in recent
-          // versions of Firefox and SeaMonkey.
-          "toString": 1
-        }, members).toString != getClass) {
-          // Safari <= 2.0.3 doesn't implement `Object#hasOwnProperty`, but
-          // supports the mutable *proto* property.
-          isProperty = function (property) {
-            // Capture and break the object's prototype chain (see section 8.6.2
-            // of the ES 5.1 spec). The parenthesized expression prevents an
-            // unsafe transformation by the Closure Compiler.
-            var original = this.__proto__, result = property in (this.__proto__ = null, this);
-            // Restore the original prototype chain.
-            this.__proto__ = original;
-            return result;
-          };
-        } else {
-          // Capture a reference to the top-level `Object` constructor.
-          constructor = members.constructor;
-          // Use the `constructor` property to simulate `Object#hasOwnProperty` in
-          // other environments.
-          isProperty = function (property) {
-            var parent = (this.constructor || constructor).prototype;
-            return property in this && !(property in parent && this[property] === parent[property]);
-          };
-        }
-        members = null;
-        return isProperty.call(this, property);
-      };
-    }
-
-    // Internal: A set of primitive types used by `isHostType`.
-    var PrimitiveTypes = {
-      'boolean': 1,
-      'number': 1,
-      'string': 1,
-      'undefined': 1
-    };
-
-    // Internal: Determines if the given object `property` value is a
-    // non-primitive.
-    var isHostType = function (object, property) {
-      var type = typeof object[property];
-      return type == 'object' ? !!object[property] : !PrimitiveTypes[type];
-    };
-
-    // Internal: Normalizes the `for...in` iteration algorithm across
-    // environments. Each enumerated key is yielded to a `callback` function.
-    forEach = function (object, callback) {
-      var size = 0, Properties, members, property;
-
-      // Tests for bugs in the current environment's `for...in` algorithm. The
-      // `valueOf` property inherits the non-enumerable flag from
-      // `Object.prototype` in older versions of IE, Netscape, and Mozilla.
-      (Properties = function () {
-        this.valueOf = 0;
-      }).prototype.valueOf = 0;
-
-      // Iterate over a new instance of the `Properties` class.
-      members = new Properties();
-      for (property in members) {
-        // Ignore all properties inherited from `Object.prototype`.
-        if (isProperty.call(members, property)) {
-          size++;
-        }
-      }
-      Properties = members = null;
-
-      // Normalize the iteration algorithm.
-      if (!size) {
-        // A list of non-enumerable properties inherited from `Object.prototype`.
-        members = ["valueOf", "toString", "toLocaleString", "propertyIsEnumerable", "isPrototypeOf", "hasOwnProperty", "constructor"];
-        // IE <= 8, Mozilla 1.0, and Netscape 6.2 ignore shadowed non-enumerable
-        // properties.
-        forEach = function (object, callback) {
-          var isFunction = getClass.call(object) == functionClass, property, length;
-          var hasProperty = !isFunction && typeof object.constructor != 'function' && isHostType(object, 'hasOwnProperty') ? object.hasOwnProperty : isProperty;
-          for (property in object) {
-            // Gecko <= 1.0 enumerates the `prototype` property of functions under
-            // certain conditions; IE does not.
-            if (!(isFunction && property == "prototype") && hasProperty.call(object, property)) {
-              callback(property);
-            }
-          }
-          // Manually invoke the callback for each non-enumerable property.
-          for (length = members.length; property = members[--length]; hasProperty.call(object, property) && callback(property));
-        };
-      } else if (size == 2) {
-        // Safari <= 2.0.4 enumerates shadowed properties twice.
-        forEach = function (object, callback) {
-          // Create a set of iterated properties.
-          var members = {}, isFunction = getClass.call(object) == functionClass, property;
-          for (property in object) {
-            // Store each property name to prevent double enumeration. The
-            // `prototype` property of functions is not enumerated due to cross-
-            // environment inconsistencies.
-            if (!(isFunction && property == "prototype") && !isProperty.call(members, property) && (members[property] = 1) && isProperty.call(object, property)) {
-              callback(property);
-            }
-          }
-        };
-      } else {
-        // No bugs detected; use the standard `for...in` algorithm.
-        forEach = function (object, callback) {
-          var isFunction = getClass.call(object) == functionClass, property, isConstructor;
-          for (property in object) {
-            if (!(isFunction && property == "prototype") && isProperty.call(object, property) && !(isConstructor = property === "constructor")) {
-              callback(property);
-            }
-          }
-          // Manually invoke the callback for the `constructor` property due to
-          // cross-environment inconsistencies.
-          if (isConstructor || isProperty.call(object, (property = "constructor"))) {
-            callback(property);
-          }
-        };
-      }
-      return forEach(object, callback);
-    };
-
-    // Public: Serializes a JavaScript `value` as a JSON string. The optional
-    // `filter` argument may specify either a function that alters how object and
-    // array members are serialized, or an array of strings and numbers that
-    // indicates which properties should be serialized. The optional `width`
-    // argument may be either a string or number that specifies the indentation
-    // level of the output.
-    if (!has("json-stringify")) {
-      // Internal: A map of control characters and their escaped equivalents.
-      var Escapes = {
-        92: "\\\\",
-        34: '\\"',
-        8: "\\b",
-        12: "\\f",
-        10: "\\n",
-        13: "\\r",
-        9: "\\t"
-      };
-
-      // Internal: Converts `value` into a zero-padded string such that its
-      // length is at least equal to `width`. The `width` must be <= 6.
-      var leadingZeroes = "000000";
-      var toPaddedString = function (width, value) {
-        // The `|| 0` expression is necessary to work around a bug in
-        // Opera <= 7.54u2 where `0 == -0`, but `String(-0) !== "0"`.
-        return (leadingZeroes + (value || 0)).slice(-width);
-      };
-
-      // Internal: Double-quotes a string `value`, replacing all ASCII control
-      // characters (characters with code unit values between 0 and 31) with
-      // their escaped equivalents. This is an implementation of the
-      // `Quote(value)` operation defined in ES 5.1 section 15.12.3.
-      var unicodePrefix = "\\u00";
-      var quote = function (value) {
-        var result = '"', index = 0, length = value.length, isLarge = length > 10 && charIndexBuggy, symbols;
-        if (isLarge) {
-          symbols = value.split("");
-        }
-        for (; index < length; index++) {
-          var charCode = value.charCodeAt(index);
-          // If the character is a control character, append its Unicode or
-          // shorthand escape sequence; otherwise, append the character as-is.
-          switch (charCode) {
-            case 8: case 9: case 10: case 12: case 13: case 34: case 92:
-              result += Escapes[charCode];
-              break;
-            default:
-              if (charCode < 32) {
-                result += unicodePrefix + toPaddedString(2, charCode.toString(16));
-                break;
-              }
-              result += isLarge ? symbols[index] : charIndexBuggy ? value.charAt(index) : value[index];
-          }
-        }
-        return result + '"';
-      };
-
-      // Internal: Recursively serializes an object. Implements the
-      // `Str(key, holder)`, `JO(value)`, and `JA(value)` operations.
-      var serialize = function (property, object, callback, properties, whitespace, indentation, stack) {
-        var value, className, year, month, date, time, hours, minutes, seconds, milliseconds, results, element, index, length, prefix, result;
-        try {
-          // Necessary for host object support.
-          value = object[property];
-        } catch (exception) {}
-        if (typeof value == "object" && value) {
-          className = getClass.call(value);
-          if (className == dateClass && !isProperty.call(value, "toJSON")) {
-            if (value > -1 / 0 && value < 1 / 0) {
-              // Dates are serialized according to the `Date#toJSON` method
-              // specified in ES 5.1 section 15.9.5.44. See section 15.9.1.15
-              // for the ISO 8601 date time string format.
-              if (getDay) {
-                // Manually compute the year, month, date, hours, minutes,
-                // seconds, and milliseconds if the `getUTC*` methods are
-                // buggy. Adapted from @Yaffle's `date-shim` project.
-                date = floor(value / 864e5);
-                for (year = floor(date / 365.2425) + 1970 - 1; getDay(year + 1, 0) <= date; year++);
-                for (month = floor((date - getDay(year, 0)) / 30.42); getDay(year, month + 1) <= date; month++);
-                date = 1 + date - getDay(year, month);
-                // The `time` value specifies the time within the day (see ES
-                // 5.1 section 15.9.1.2). The formula `(A % B + B) % B` is used
-                // to compute `A modulo B`, as the `%` operator does not
-                // correspond to the `modulo` operation for negative numbers.
-                time = (value % 864e5 + 864e5) % 864e5;
-                // The hours, minutes, seconds, and milliseconds are obtained by
-                // decomposing the time within the day. See section 15.9.1.10.
-                hours = floor(time / 36e5) % 24;
-                minutes = floor(time / 6e4) % 60;
-                seconds = floor(time / 1e3) % 60;
-                milliseconds = time % 1e3;
-              } else {
-                year = value.getUTCFullYear();
-                month = value.getUTCMonth();
-                date = value.getUTCDate();
-                hours = value.getUTCHours();
-                minutes = value.getUTCMinutes();
-                seconds = value.getUTCSeconds();
-                milliseconds = value.getUTCMilliseconds();
-              }
-              // Serialize extended years correctly.
-              value = (year <= 0 || year >= 1e4 ? (year < 0 ? "-" : "+") + toPaddedString(6, year < 0 ? -year : year) : toPaddedString(4, year)) +
-                "-" + toPaddedString(2, month + 1) + "-" + toPaddedString(2, date) +
-                // Months, dates, hours, minutes, and seconds should have two
-                // digits; milliseconds should have three.
-                "T" + toPaddedString(2, hours) + ":" + toPaddedString(2, minutes) + ":" + toPaddedString(2, seconds) +
-                // Milliseconds are optional in ES 5.0, but required in 5.1.
-                "." + toPaddedString(3, milliseconds) + "Z";
-            } else {
-              value = null;
-            }
-          } else if (typeof value.toJSON == "function" && ((className != numberClass && className != stringClass && className != arrayClass) || isProperty.call(value, "toJSON"))) {
-            // Prototype <= 1.6.1 adds non-standard `toJSON` methods to the
-            // `Number`, `String`, `Date`, and `Array` prototypes. JSON 3
-            // ignores all `toJSON` methods on these objects unless they are
-            // defined directly on an instance.
-            value = value.toJSON(property);
-          }
-        }
-        if (callback) {
-          // If a replacement function was provided, call it to obtain the value
-          // for serialization.
-          value = callback.call(object, property, value);
-        }
-        if (value === null) {
-          return "null";
-        }
-        className = getClass.call(value);
-        if (className == booleanClass) {
-          // Booleans are represented literally.
-          return "" + value;
-        } else if (className == numberClass) {
-          // JSON numbers must be finite. `Infinity` and `NaN` are serialized as
-          // `"null"`.
-          return value > -1 / 0 && value < 1 / 0 ? "" + value : "null";
-        } else if (className == stringClass) {
-          // Strings are double-quoted and escaped.
-          return quote("" + value);
-        }
-        // Recursively serialize objects and arrays.
-        if (typeof value == "object") {
-          // Check for cyclic structures. This is a linear search; performance
-          // is inversely proportional to the number of unique nested objects.
-          for (length = stack.length; length--;) {
-            if (stack[length] === value) {
-              // Cyclic structures cannot be serialized by `JSON.stringify`.
-              throw TypeError();
-            }
-          }
-          // Add the object to the stack of traversed objects.
-          stack.push(value);
-          results = [];
-          // Save the current indentation level and indent one additional level.
-          prefix = indentation;
-          indentation += whitespace;
-          if (className == arrayClass) {
-            // Recursively serialize array elements.
-            for (index = 0, length = value.length; index < length; index++) {
-              element = serialize(index, value, callback, properties, whitespace, indentation, stack);
-              results.push(element === undef ? "null" : element);
-            }
-            result = results.length ? (whitespace ? "[\n" + indentation + results.join(",\n" + indentation) + "\n" + prefix + "]" : ("[" + results.join(",") + "]")) : "[]";
-          } else {
-            // Recursively serialize object members. Members are selected from
-            // either a user-specified list of property names, or the object
-            // itself.
-            forEach(properties || value, function (property) {
-              var element = serialize(property, value, callback, properties, whitespace, indentation, stack);
-              if (element !== undef) {
-                // According to ES 5.1 section 15.12.3: "If `gap` {whitespace}
-                // is not the empty string, let `member` {quote(property) + ":"}
-                // be the concatenation of `member` and the `space` character."
-                // The "`space` character" refers to the literal space
-                // character, not the `space` {width} argument provided to
-                // `JSON.stringify`.
-                results.push(quote(property) + ":" + (whitespace ? " " : "") + element);
-              }
-            });
-            result = results.length ? (whitespace ? "{\n" + indentation + results.join(",\n" + indentation) + "\n" + prefix + "}" : ("{" + results.join(",") + "}")) : "{}";
-          }
-          // Remove the object from the traversed object stack.
-          stack.pop();
-          return result;
-        }
-      };
-
-      // Public: `JSON.stringify`. See ES 5.1 section 15.12.3.
-      JSON3.stringify = function (source, filter, width) {
-        var whitespace, callback, properties, className;
-        if (typeof filter == "function" || typeof filter == "object" && filter) {
-          if ((className = getClass.call(filter)) == functionClass) {
-            callback = filter;
-          } else if (className == arrayClass) {
-            // Convert the property names array into a makeshift set.
-            properties = {};
-            for (var index = 0, length = filter.length, value; index < length; value = filter[index++], ((className = getClass.call(value)), className == stringClass || className == numberClass) && (properties[value] = 1));
-          }
-        }
-        if (width) {
-          if ((className = getClass.call(width)) == numberClass) {
-            // Convert the `width` to an integer and create a string containing
-            // `width` number of space characters.
-            if ((width -= width % 1) > 0) {
-              for (whitespace = "", width > 10 && (width = 10); whitespace.length < width; whitespace += " ");
-            }
-          } else if (className == stringClass) {
-            whitespace = width.length <= 10 ? width : width.slice(0, 10);
-          }
-        }
-        // Opera <= 7.54u2 discards the values associated with empty string keys
-        // (`""`) only if they are used directly within an object member list
-        // (e.g., `!("" in { "": 1})`).
-        return serialize("", (value = {}, value[""] = source, value), callback, properties, whitespace, "", []);
-      };
-    }
-
-    // Public: Parses a JSON source string.
-    if (!has("json-parse")) {
-      var fromCharCode = String.fromCharCode;
-
-      // Internal: A map of escaped control characters and their unescaped
-      // equivalents.
-      var Unescapes = {
-        92: "\\",
-        34: '"',
-        47: "/",
-        98: "\b",
-        116: "\t",
-        110: "\n",
-        102: "\f",
-        114: "\r"
-      };
-
-      // Internal: Stores the parser state.
-      var Index, Source;
-
-      // Internal: Resets the parser state and throws a `SyntaxError`.
-      var abort = function() {
-        Index = Source = null;
-        throw SyntaxError();
-      };
-
-      // Internal: Returns the next token, or `"$"` if the parser has reached
-      // the end of the source string. A token may be a string, number, `null`
-      // literal, or Boolean literal.
-      var lex = function () {
-        var source = Source, length = source.length, value, begin, position, isSigned, charCode;
-        while (Index < length) {
-          charCode = source.charCodeAt(Index);
-          switch (charCode) {
-            case 9: case 10: case 13: case 32:
-              // Skip whitespace tokens, including tabs, carriage returns, line
-              // feeds, and space characters.
-              Index++;
-              break;
-            case 123: case 125: case 91: case 93: case 58: case 44:
-              // Parse a punctuator token (`{`, `}`, `[`, `]`, `:`, or `,`) at
-              // the current position.
-              value = charIndexBuggy ? source.charAt(Index) : source[Index];
-              Index++;
-              return value;
-            case 34:
-              // `"` delimits a JSON string; advance to the next character and
-              // begin parsing the string. String tokens are prefixed with the
-              // sentinel `@` character to distinguish them from punctuators and
-              // end-of-string tokens.
-              for (value = "@", Index++; Index < length;) {
-                charCode = source.charCodeAt(Index);
-                if (charCode < 32) {
-                  // Unescaped ASCII control characters (those with a code unit
-                  // less than the space character) are not permitted.
-                  abort();
-                } else if (charCode == 92) {
-                  // A reverse solidus (`\`) marks the beginning of an escaped
-                  // control character (including `"`, `\`, and `/`) or Unicode
-                  // escape sequence.
-                  charCode = source.charCodeAt(++Index);
-                  switch (charCode) {
-                    case 92: case 34: case 47: case 98: case 116: case 110: case 102: case 114:
-                      // Revive escaped control characters.
-                      value += Unescapes[charCode];
-                      Index++;
-                      break;
-                    case 117:
-                      // `\u` marks the beginning of a Unicode escape sequence.
-                      // Advance to the first character and validate the
-                      // four-digit code point.
-                      begin = ++Index;
-                      for (position = Index + 4; Index < position; Index++) {
-                        charCode = source.charCodeAt(Index);
-                        // A valid sequence comprises four hexdigits (case-
-                        // insensitive) that form a single hexadecimal value.
-                        if (!(charCode >= 48 && charCode <= 57 || charCode >= 97 && charCode <= 102 || charCode >= 65 && charCode <= 70)) {
-                          // Invalid Unicode escape sequence.
-                          abort();
-                        }
-                      }
-                      // Revive the escaped character.
-                      value += fromCharCode("0x" + source.slice(begin, Index));
-                      break;
-                    default:
-                      // Invalid escape sequence.
-                      abort();
-                  }
-                } else {
-                  if (charCode == 34) {
-                    // An unescaped double-quote character marks the end of the
-                    // string.
-                    break;
-                  }
-                  charCode = source.charCodeAt(Index);
-                  begin = Index;
-                  // Optimize for the common case where a string is valid.
-                  while (charCode >= 32 && charCode != 92 && charCode != 34) {
-                    charCode = source.charCodeAt(++Index);
-                  }
-                  // Append the string as-is.
-                  value += source.slice(begin, Index);
-                }
-              }
-              if (source.charCodeAt(Index) == 34) {
-                // Advance to the next character and return the revived string.
-                Index++;
-                return value;
-              }
-              // Unterminated string.
-              abort();
-            default:
-              // Parse numbers and literals.
-              begin = Index;
-              // Advance past the negative sign, if one is specified.
-              if (charCode == 45) {
-                isSigned = true;
-                charCode = source.charCodeAt(++Index);
-              }
-              // Parse an integer or floating-point value.
-              if (charCode >= 48 && charCode <= 57) {
-                // Leading zeroes are interpreted as octal literals.
-                if (charCode == 48 && ((charCode = source.charCodeAt(Index + 1)), charCode >= 48 && charCode <= 57)) {
-                  // Illegal octal literal.
-                  abort();
-                }
-                isSigned = false;
-                // Parse the integer component.
-                for (; Index < length && ((charCode = source.charCodeAt(Index)), charCode >= 48 && charCode <= 57); Index++);
-                // Floats cannot contain a leading decimal point; however, this
-                // case is already accounted for by the parser.
-                if (source.charCodeAt(Index) == 46) {
-                  position = ++Index;
-                  // Parse the decimal component.
-                  for (; position < length && ((charCode = source.charCodeAt(position)), charCode >= 48 && charCode <= 57); position++);
-                  if (position == Index) {
-                    // Illegal trailing decimal.
-                    abort();
-                  }
-                  Index = position;
-                }
-                // Parse exponents. The `e` denoting the exponent is
-                // case-insensitive.
-                charCode = source.charCodeAt(Index);
-                if (charCode == 101 || charCode == 69) {
-                  charCode = source.charCodeAt(++Index);
-                  // Skip past the sign following the exponent, if one is
-                  // specified.
-                  if (charCode == 43 || charCode == 45) {
-                    Index++;
-                  }
-                  // Parse the exponential component.
-                  for (position = Index; position < length && ((charCode = source.charCodeAt(position)), charCode >= 48 && charCode <= 57); position++);
-                  if (position == Index) {
-                    // Illegal empty exponent.
-                    abort();
-                  }
-                  Index = position;
-                }
-                // Coerce the parsed value to a JavaScript number.
-                return +source.slice(begin, Index);
-              }
-              // A negative sign may only precede numbers.
-              if (isSigned) {
-                abort();
-              }
-              // `true`, `false`, and `null` literals.
-              if (source.slice(Index, Index + 4) == "true") {
-                Index += 4;
-                return true;
-              } else if (source.slice(Index, Index + 5) == "false") {
-                Index += 5;
-                return false;
-              } else if (source.slice(Index, Index + 4) == "null") {
-                Index += 4;
-                return null;
-              }
-              // Unrecognized token.
-              abort();
-          }
-        }
-        // Return the sentinel `$` character if the parser has reached the end
-        // of the source string.
-        return "$";
-      };
-
-      // Internal: Parses a JSON `value` token.
-      var get = function (value) {
-        var results, hasMembers;
-        if (value == "$") {
-          // Unexpected end of input.
-          abort();
-        }
-        if (typeof value == "string") {
-          if ((charIndexBuggy ? value.charAt(0) : value[0]) == "@") {
-            // Remove the sentinel `@` character.
-            return value.slice(1);
-          }
-          // Parse object and array literals.
-          if (value == "[") {
-            // Parses a JSON array, returning a new JavaScript array.
-            results = [];
-            for (;; hasMembers || (hasMembers = true)) {
-              value = lex();
-              // A closing square bracket marks the end of the array literal.
-              if (value == "]") {
-                break;
-              }
-              // If the array literal contains elements, the current token
-              // should be a comma separating the previous element from the
-              // next.
-              if (hasMembers) {
-                if (value == ",") {
-                  value = lex();
-                  if (value == "]") {
-                    // Unexpected trailing `,` in array literal.
-                    abort();
-                  }
-                } else {
-                  // A `,` must separate each array element.
-                  abort();
-                }
-              }
-              // Elisions and leading commas are not permitted.
-              if (value == ",") {
-                abort();
-              }
-              results.push(get(value));
-            }
-            return results;
-          } else if (value == "{") {
-            // Parses a JSON object, returning a new JavaScript object.
-            results = {};
-            for (;; hasMembers || (hasMembers = true)) {
-              value = lex();
-              // A closing curly brace marks the end of the object literal.
-              if (value == "}") {
-                break;
-              }
-              // If the object literal contains members, the current token
-              // should be a comma separator.
-              if (hasMembers) {
-                if (value == ",") {
-                  value = lex();
-                  if (value == "}") {
-                    // Unexpected trailing `,` in object literal.
-                    abort();
-                  }
-                } else {
-                  // A `,` must separate each object member.
-                  abort();
-                }
-              }
-              // Leading commas are not permitted, object property names must be
-              // double-quoted strings, and a `:` must separate each property
-              // name and value.
-              if (value == "," || typeof value != "string" || (charIndexBuggy ? value.charAt(0) : value[0]) != "@" || lex() != ":") {
-                abort();
-              }
-              results[value.slice(1)] = get(lex());
-            }
-            return results;
-          }
-          // Unexpected token encountered.
-          abort();
-        }
-        return value;
-      };
-
-      // Internal: Updates a traversed object member.
-      var update = function(source, property, callback) {
-        var element = walk(source, property, callback);
-        if (element === undef) {
-          delete source[property];
-        } else {
-          source[property] = element;
-        }
-      };
-
-      // Internal: Recursively traverses a parsed JSON object, invoking the
-      // `callback` function for each value. This is an implementation of the
-      // `Walk(holder, name)` operation defined in ES 5.1 section 15.12.2.
-      var walk = function (source, property, callback) {
-        var value = source[property], length;
-        if (typeof value == "object" && value) {
-          // `forEach` can't be used to traverse an array in Opera <= 8.54
-          // because its `Object#hasOwnProperty` implementation returns `false`
-          // for array indices (e.g., `![1, 2, 3].hasOwnProperty("0")`).
-          if (getClass.call(value) == arrayClass) {
-            for (length = value.length; length--;) {
-              update(value, length, callback);
-            }
-          } else {
-            forEach(value, function (property) {
-              update(value, property, callback);
-            });
-          }
-        }
-        return callback.call(source, property, value);
-      };
-
-      // Public: `JSON.parse`. See ES 5.1 section 15.12.2.
-      JSON3.parse = function (source, callback) {
-        var result, value;
-        Index = 0;
-        Source = "" + source;
-        result = get(lex());
-        // If a JSON string contains multiple tokens, it is invalid.
-        if (lex() != "$") {
-          abort();
-        }
-        // Reset the parser state.
-        Index = Source = null;
-        return callback && getClass.call(callback) == functionClass ? walk((value = {}, value[""] = result, value), "", callback) : result;
-      };
-    }
-  }
-
-  // Export for asynchronous module loaders.
-  if (isLoader) {
-    define(function () {
-      return JSON3;
-    });
-  }
-}(this));
-
-},{}],43:[function(require,module,exports){
-module.exports = toArray
-
-function toArray(list, index) {
-    var array = []
-
-    index = index || 0
-
-    for (var i = index || 0; i < list.length; i++) {
-        array[i - index] = list[i]
-    }
-
-    return array
-}
-
-},{}]},{},[1])
-(1)
-});
-;
diff --git a/package.json b/package.json
index 68d6d16b..3b8caf9d 100644
--- a/package.json
+++ b/package.json
@@ -38,7 +38,7 @@
     "read": "1.0.7",
     "request": "2.69.0",
     "slate-irc": "0.8.1",
-    "socket.io": "~1.0.6"
+    "socket.io": "1.4.5"
   },
   "devDependencies": {
     "stylelint": "4.3.3",