From 129ad9ab02bfc8c6a7d5a7714f74d61cb3a4f415 Mon Sep 17 00:00:00 2001
From: Anton Wilhelm <timaschew@gmail.com>
Date: Wed, 31 Aug 2016 17:58:54 +0200
Subject: [PATCH] update dist

---
 dist/deepstream.js     | 5266 ++++++++++++++++++++--------------------
 dist/deepstream.min.js |   10 +-
 2 files changed, 2702 insertions(+), 2574 deletions(-)

diff --git a/dist/deepstream.js b/dist/deepstream.js
index 9f30e98af..76768a742 100644
--- a/dist/deepstream.js
+++ b/dist/deepstream.js
@@ -1,4 +1,226 @@
 (function(f){if(typeof exports==="object"&&typeof module!=="undefined"){module.exports=f()}else if(typeof define==="function"&&define.amd){define([],f)}else{var g;if(typeof window!=="undefined"){g=window}else if(typeof global!=="undefined"){g=global}else if(typeof self!=="undefined"){g=self}else{g=this}g.deepstream = f()}})(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);var f=new Error("Cannot find module '"+o+"'");throw f.code="MODULE_NOT_FOUND",f}var l=n[o]={exports:{}};t[o][0].call(l.exports,function(e){var n=t[o][1][e];return s(n?n:e)},l,l.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(_dereq_,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() {}
+
+},{}],2:[function(_dereq_,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;
+};
+
+},{}],3:[function(_dereq_,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+/");
+
+},{}],4:[function(_dereq_,module,exports){
+(function (global){
+/**
+ * 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 a = new Blob(['hi']);
+    return a.size === 2;
+  } catch(e) {
+    return false;
+  }
+})();
+
+/**
+ * Check if Blob constructor supports ArrayBufferViews
+ * Fails in Safari 6, so we need to map to ArrayBuffers there.
+ */
+
+var blobSupportsArrayBufferView = blobSupported && (function() {
+  try {
+    var b = new Blob([new Uint8Array([1,2])]);
+    return b.size === 2;
+  } catch(e) {
+    return false;
+  }
+})();
+
+/**
+ * Check if BlobBuilder is supported
+ */
+
+var blobBuilderSupported = BlobBuilder
+  && BlobBuilder.prototype.append
+  && BlobBuilder.prototype.getBlob;
+
+/**
+ * Helper function that maps ArrayBufferViews to ArrayBuffers
+ * Used by BlobBuilder constructor and old browsers that didn't
+ * support it in the Blob constructor.
+ */
+
+function mapArrayBufferViews(ary) {
+  for (var i = 0; i < ary.length; i++) {
+    var chunk = ary[i];
+    if (chunk.buffer instanceof ArrayBuffer) {
+      var buf = chunk.buffer;
+
+      // if this is a subarray, make a copy so we only
+      // include the subarray region from the underlying buffer
+      if (chunk.byteLength !== buf.byteLength) {
+        var copy = new Uint8Array(chunk.byteLength);
+        copy.set(new Uint8Array(buf, chunk.byteOffset, chunk.byteLength));
+        buf = copy.buffer;
+      }
+
+      ary[i] = buf;
+    }
+  }
+}
+
+function BlobBuilderConstructor(ary, options) {
+  options = options || {};
+
+  var bb = new BlobBuilder();
+  mapArrayBufferViews(ary);
+
+  for (var i = 0; i < ary.length; i++) {
+    bb.append(ary[i]);
+  }
+
+  return (options.type) ? bb.getBlob(options.type) : bb.getBlob();
+};
+
+function BlobConstructor(ary, options) {
+  mapArrayBufferViews(ary);
+  return new Blob(ary, options || {});
+};
+
+module.exports = (function() {
+  if (blobSupported) {
+    return blobSupportsArrayBufferView ? global.Blob : BlobConstructor;
+  } else if (blobBuilderSupported) {
+    return BlobBuilderConstructor;
+  } else {
+    return undefined;
+  }
+})();
+
+}).call(this,typeof global !== "undefined" ? global : typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {})
+},{}],5:[function(_dereq_,module,exports){
 
 /**
  * Expose `Emitter`.
@@ -164,2710 +386,2583 @@ Emitter.prototype.hasListeners = function(event){
   return !! this.listeners(event).length;
 };
 
-},{}],2:[function(_dereq_,module,exports){
-
-module.exports =  _dereq_('./lib/');
-
-},{"./lib/":3}],3:[function(_dereq_,module,exports){
+},{}],6:[function(_dereq_,module,exports){
 
-module.exports = _dereq_('./socket');
+module.exports = function(a, b){
+  var fn = function(){};
+  fn.prototype = b.prototype;
+  a.prototype = new fn;
+  a.prototype.constructor = a;
+};
+},{}],7:[function(_dereq_,module,exports){
 
 /**
- * Exports parser
- *
- * @api public
+ * This is the web browser implementation of `debug()`.
  *
+ * Expose `debug()` as the module.
  */
-module.exports.parser = _dereq_('engine.io-parser');
 
-},{"./socket":4,"engine.io-parser":16}],4:[function(_dereq_,module,exports){
-(function (global){
+exports = module.exports = _dereq_('./debug');
+exports.log = log;
+exports.formatArgs = formatArgs;
+exports.save = save;
+exports.load = load;
+exports.useColors = useColors;
+exports.storage = 'undefined' != typeof chrome
+               && 'undefined' != typeof chrome.storage
+                  ? chrome.storage.local
+                  : localstorage();
+
 /**
- * Module dependencies.
+ * Colors.
  */
 
-var transports = _dereq_('./transports');
-var Emitter = _dereq_('component-emitter');
-var debug = _dereq_('debug')('engine.io-client:socket');
-var index = _dereq_('indexof');
-var parser = _dereq_('engine.io-parser');
-var parseuri = _dereq_('parseuri');
-var parsejson = _dereq_('parsejson');
-var parseqs = _dereq_('parseqs');
+exports.colors = [
+  'lightseagreen',
+  'forestgreen',
+  'goldenrod',
+  'dodgerblue',
+  'darkorchid',
+  'crimson'
+];
 
 /**
- * Module exports.
+ * Currently only WebKit-based Web Inspectors, Firefox >= v31,
+ * and the Firebug extension (any Firefox version) are known
+ * to support "%c" CSS customizations.
+ *
+ * TODO: add a `localStorage` variable to explicitly enable/disable colors
  */
 
-module.exports = Socket;
+function useColors() {
+  // is webkit? http://stackoverflow.com/a/16459606/376773
+  return ('WebkitAppearance' in document.documentElement.style) ||
+    // is firebug? http://stackoverflow.com/a/398120/376773
+    (window.console && (console.firebug || (console.exception && console.table))) ||
+    // is firefox >= v31?
+    // https://developer.mozilla.org/en-US/docs/Tools/Web_Console#Styling_messages
+    (navigator.userAgent.toLowerCase().match(/firefox\/(\d+)/) && parseInt(RegExp.$1, 10) >= 31);
+}
 
 /**
- * Noop function.
- *
- * @api private
+ * Map %j to `JSON.stringify()`, since no Web Inspectors do that by default.
  */
 
-function noop(){}
+exports.formatters.j = function(v) {
+  return JSON.stringify(v);
+};
+
 
 /**
- * Socket constructor.
+ * Colorize log arguments if enabled.
  *
- * @param {String|Object} uri or options
- * @param {Object} options
  * @api public
  */
 
-function Socket(uri, opts){
-  if (!(this instanceof Socket)) return new Socket(uri, opts);
+function formatArgs() {
+  var args = arguments;
+  var useColors = this.useColors;
 
-  opts = opts || {};
+  args[0] = (useColors ? '%c' : '')
+    + this.namespace
+    + (useColors ? ' %c' : ' ')
+    + args[0]
+    + (useColors ? '%c ' : ' ')
+    + '+' + exports.humanize(this.diff);
 
-  if (uri && 'object' == typeof uri) {
-    opts = uri;
-    uri = null;
-  }
+  if (!useColors) return args;
 
-  if (uri) {
-    uri = parseuri(uri);
-    opts.hostname = uri.host;
-    opts.secure = uri.protocol == 'https' || uri.protocol == 'wss';
-    opts.port = uri.port;
-    if (uri.query) opts.query = uri.query;
-  } else if (opts.host) {
-    opts.hostname = parseuri(opts.host).host;
-  }
+  var c = 'color: ' + this.color;
+  args = [args[0], c, 'color: inherit'].concat(Array.prototype.slice.call(args, 1));
 
-  this.secure = null != opts.secure ? opts.secure :
-    (global.location && 'https:' == location.protocol);
+  // the final "%c" is somewhat tricky, because there could be other
+  // arguments passed either before or after the %c, so we need to
+  // figure out the correct index to insert the CSS into
+  var index = 0;
+  var lastC = 0;
+  args[0].replace(/%[a-z%]/g, function(match) {
+    if ('%%' === match) return;
+    index++;
+    if ('%c' === match) {
+      // we only are interested in the *last* %c
+      // (the user may have provided their own)
+      lastC = index;
+    }
+  });
 
-  if (opts.hostname && !opts.port) {
-    // if no port is specified manually, use the protocol default
-    opts.port = this.secure ? '443' : '80';
-  }
+  args.splice(lastC, 0, c);
+  return args;
+}
 
-  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.jsonp = false !== opts.jsonp;
-  this.forceBase64 = !!opts.forceBase64;
-  this.enablesXDR = !!opts.enablesXDR;
-  this.timestampParam = opts.timestampParam || 't';
-  this.timestampRequests = opts.timestampRequests;
-  this.transports = opts.transports || ['polling', 'websocket'];
-  this.readyState = '';
-  this.writeBuffer = [];
-  this.policyPort = opts.policyPort || 843;
-  this.rememberUpgrade = opts.rememberUpgrade || false;
-  this.binaryType = null;
-  this.onlyBinaryUpgrades = opts.onlyBinaryUpgrades;
-  this.perMessageDeflate = false !== opts.perMessageDeflate ? (opts.perMessageDeflate || {}) : false;
+/**
+ * Invokes `console.log()` when available.
+ * No-op when `console.log` is not a "function".
+ *
+ * @api public
+ */
 
-  if (true === this.perMessageDeflate) this.perMessageDeflate = {};
-  if (this.perMessageDeflate && null == this.perMessageDeflate.threshold) {
-    this.perMessageDeflate.threshold = 1024;
-  }
+function log() {
+  // this hackery is required for IE8/9, where
+  // the `console.log` function doesn't have 'apply'
+  return 'object' === typeof console
+    && console.log
+    && Function.prototype.apply.call(console.log, console, arguments);
+}
 
-  // SSL options for Node.js client
-  this.pfx = opts.pfx || null;
-  this.key = opts.key || null;
-  this.passphrase = opts.passphrase || null;
-  this.cert = opts.cert || null;
-  this.ca = opts.ca || null;
-  this.ciphers = opts.ciphers || null;
-  this.rejectUnauthorized = opts.rejectUnauthorized === undefined ? true : opts.rejectUnauthorized;
+/**
+ * Save `namespaces`.
+ *
+ * @param {String} namespaces
+ * @api private
+ */
 
-  // other options for Node.js client
-  var freeGlobal = typeof global == 'object' && global;
-  if (freeGlobal.global === freeGlobal) {
-    if (opts.extraHeaders && Object.keys(opts.extraHeaders).length > 0) {
-      this.extraHeaders = opts.extraHeaders;
+function save(namespaces) {
+  try {
+    if (null == namespaces) {
+      exports.storage.removeItem('debug');
+    } else {
+      exports.storage.debug = namespaces;
     }
-  }
+  } catch(e) {}
+}
 
-  this.open();
+/**
+ * Load `namespaces`.
+ *
+ * @return {String} returns the previously persisted debug modes
+ * @api private
+ */
+
+function load() {
+  var r;
+  try {
+    r = exports.storage.debug;
+  } catch(e) {}
+  return r;
 }
 
-Socket.priorWebsocketSuccess = false;
+/**
+ * Enable namespaces listed in `localStorage.debug` initially.
+ */
+
+exports.enable(load());
 
 /**
- * Mix in `Emitter`.
+ * Localstorage attempts to return the localstorage.
+ *
+ * This is necessary because safari throws
+ * when a user disables cookies/localstorage
+ * and you attempt to access it.
+ *
+ * @return {LocalStorage}
+ * @api private
  */
 
-Emitter(Socket.prototype);
+function localstorage(){
+  try {
+    return window.localStorage;
+  } catch (e) {}
+}
+
+},{"./debug":8}],8:[function(_dereq_,module,exports){
 
 /**
- * Protocol version.
+ * This is the common logic for both the Node.js and web browser
+ * implementations of `debug()`.
  *
- * @api public
+ * Expose `debug()` as the module.
  */
 
-Socket.protocol = parser.protocol; // this is an int
+exports = module.exports = debug;
+exports.coerce = coerce;
+exports.disable = disable;
+exports.enable = enable;
+exports.enabled = enabled;
+exports.humanize = _dereq_('ms');
 
 /**
- * Expose deps for legacy compatibility
- * and standalone browser access.
+ * The currently active debug mode names, and names to skip.
  */
 
-Socket.Socket = Socket;
-Socket.Transport = _dereq_('./transport');
-Socket.transports = _dereq_('./transports');
-Socket.parser = _dereq_('engine.io-parser');
+exports.names = [];
+exports.skips = [];
 
 /**
- * Creates transport of the given type.
+ * Map of special "%n" handling functions, for the debug "format" argument.
  *
- * @param {String} transport name
- * @return {Transport}
- * @api private
+ * Valid key names are a single, lowercased letter, i.e. "n".
  */
 
-Socket.prototype.createTransport = function (name) {
-  debug('creating transport "%s"', name);
-  var query = clone(this.query);
+exports.formatters = {};
 
-  // append engine.io protocol identifier
-  query.EIO = parser.protocol;
+/**
+ * Previously assigned color.
+ */
 
-  // transport name
-  query.transport = name;
+var prevColor = 0;
 
-  // session id if we already have one
-  if (this.id) query.sid = this.id;
+/**
+ * Previous log timestamp.
+ */
 
-  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,
-    jsonp: this.jsonp,
-    forceBase64: this.forceBase64,
-    enablesXDR: this.enablesXDR,
-    timestampRequests: this.timestampRequests,
-    timestampParam: this.timestampParam,
-    policyPort: this.policyPort,
-    socket: this,
-    pfx: this.pfx,
-    key: this.key,
-    passphrase: this.passphrase,
-    cert: this.cert,
-    ca: this.ca,
-    ciphers: this.ciphers,
-    rejectUnauthorized: this.rejectUnauthorized,
-    perMessageDeflate: this.perMessageDeflate,
-    extraHeaders: this.extraHeaders
-  });
-
-  return transport;
-};
-
-function clone (obj) {
-  var o = {};
-  for (var i in obj) {
-    if (obj.hasOwnProperty(i)) {
-      o[i] = obj[i];
-    }
-  }
-  return o;
-}
+var prevTime;
 
 /**
- * Initializes transport to use and starts probe.
+ * Select a color.
  *
+ * @return {Number}
  * @api private
  */
-Socket.prototype.open = function () {
-  var transport;
-  if (this.rememberUpgrade && Socket.priorWebsocketSuccess && this.transports.indexOf('websocket') != -1) {
-    transport = 'websocket';
-  } else if (0 === this.transports.length) {
-    // Emit error on next tick so it can be listened to
-    var self = this;
-    setTimeout(function() {
-      self.emit('error', 'No transports available');
-    }, 0);
-    return;
-  } else {
-    transport = this.transports[0];
-  }
-  this.readyState = 'opening';
-
-  // Retry with the next transport if the transport is disabled (jsonp: false)
-  try {
-    transport = this.createTransport(transport);
-  } catch (e) {
-    this.transports.shift();
-    this.open();
-    return;
-  }
 
-  transport.open();
-  this.setTransport(transport);
-};
+function selectColor() {
+  return exports.colors[prevColor++ % exports.colors.length];
+}
 
 /**
- * Sets the current transport. Disables the existing one (if any).
+ * Create a debugger with the given `namespace`.
  *
- * @api private
+ * @param {String} namespace
+ * @return {Function}
+ * @api public
  */
 
-Socket.prototype.setTransport = function(transport){
-  debug('setting transport %s', transport.name);
-  var self = this;
+function debug(namespace) {
 
-  if (this.transport) {
-    debug('clearing existing transport %s', this.transport.name);
-    this.transport.removeAllListeners();
+  // define the `disabled` version
+  function disabled() {
   }
+  disabled.enabled = false;
 
-  // 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');
-  });
-};
+  // define the `enabled` version
+  function enabled() {
 
-/**
- * Probes a transport.
- *
- * @param {String} transport name
- * @api private
- */
+    var self = enabled;
 
-Socket.prototype.probe = function (name) {
-  debug('probing transport "%s"', name);
-  var transport = this.createTransport(name, { probe: 1 })
-    , failed = false
-    , self = this;
+    // set `diff` timestamp
+    var curr = +new Date();
+    var ms = curr - (prevTime || curr);
+    self.diff = ms;
+    self.prev = prevTime;
+    self.curr = curr;
+    prevTime = curr;
 
-  Socket.priorWebsocketSuccess = false;
+    // add the `color` if not set
+    if (null == self.useColors) self.useColors = exports.useColors();
+    if (null == self.color && self.useColors) self.color = selectColor();
 
-  function onTransportOpen(){
-    if (self.onlyBinaryUpgrades) {
-      var upgradeLosesBinary = !this.supportsBinary && self.transport.supportsBinary;
-      failed = failed || upgradeLosesBinary;
-    }
-    if (failed) return;
+    var args = Array.prototype.slice.call(arguments);
 
-    debug('probe transport "%s" opened', name);
-    transport.send([{ type: 'ping', data: 'probe' }]);
-    transport.once('packet', function (msg) {
-      if (failed) return;
-      if ('pong' == msg.type && 'probe' == msg.data) {
-        debug('probe transport "%s" pong', name);
-        self.upgrading = true;
-        self.emit('upgrading', transport);
-        if (!transport) return;
-        Socket.priorWebsocketSuccess = 'websocket' == transport.name;
+    args[0] = exports.coerce(args[0]);
 
-        debug('pausing current transport "%s"', self.transport.name);
-        self.transport.pause(function () {
-          if (failed) return;
-          if ('closed' == self.readyState) return;
-          debug('changing transport and sending upgrade packet');
+    if ('string' !== typeof args[0]) {
+      // anything else let's inspect with %o
+      args = ['%o'].concat(args);
+    }
 
-          cleanup();
+    // apply any `formatters` transformations
+    var index = 0;
+    args[0] = args[0].replace(/%([a-z%])/g, function(match, format) {
+      // if we encounter an escaped % then don't increase the array index
+      if (match === '%%') return match;
+      index++;
+      var formatter = exports.formatters[format];
+      if ('function' === typeof formatter) {
+        var val = args[index];
+        match = formatter.call(self, val);
 
-          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);
+        // now we need to remove `args[index]` since it's inlined in the `format`
+        args.splice(index, 1);
+        index--;
       }
+      return match;
     });
-  }
-
-  function freezeTransport() {
-    if (failed) return;
-
-    // Any callback called by transport should be ignored since now
-    failed = true;
-
-    cleanup();
 
-    transport.close();
-    transport = null;
+    if ('function' === typeof exports.formatArgs) {
+      args = exports.formatArgs.apply(self, args);
+    }
+    var logFn = enabled.log || exports.log || console.log.bind(console);
+    logFn.apply(self, args);
   }
+  enabled.enabled = true;
 
-  //Handle any error that happens while probing
-  function onerror(err) {
-    var error = new Error('probe error: ' + err);
-    error.transport = transport.name;
+  var fn = exports.enabled(namespace) ? enabled : disabled;
 
-    freezeTransport();
+  fn.namespace = namespace;
 
-    debug('probe transport "%s" failed because of error: %s', name, err);
+  return fn;
+}
 
-    self.emit('upgradeError', error);
-  }
+/**
+ * Enables a debug mode by namespaces. This can include modes
+ * separated by a colon and wildcards.
+ *
+ * @param {String} namespaces
+ * @api public
+ */
 
-  function onTransportClose(){
-    onerror("transport closed");
-  }
+function enable(namespaces) {
+  exports.save(namespaces);
 
-  //When the socket is closed while we're probing
-  function onclose(){
-    onerror("socket closed");
-  }
+  var split = (namespaces || '').split(/[\s,]+/);
+  var len = split.length;
 
-  //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();
+  for (var i = 0; i < len; i++) {
+    if (!split[i]) continue; // ignore empty strings
+    namespaces = split[i].replace(/\*/g, '.*?');
+    if (namespaces[0] === '-') {
+      exports.skips.push(new RegExp('^' + namespaces.substr(1) + '$'));
+    } else {
+      exports.names.push(new RegExp('^' + namespaces + '$'));
     }
   }
-
-  //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.
+ * Disable debug output.
  *
  * @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]);
-    }
-  }
-};
+function disable() {
+  exports.enable('');
+}
 
 /**
- * Handles a packet.
+ * Returns true if the given mode name is enabled, false otherwise.
  *
- * @api private
+ * @param {String} name
+ * @return {Boolean}
+ * @api public
  */
 
-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();
-        this.emit('pong');
-        break;
-
-      case 'error':
-        var err = new Error('server error');
-        err.code = packet.data;
-        this.onError(err);
-        break;
-
-      case 'message':
-        this.emit('data', packet.data);
-        this.emit('message', packet.data);
-        break;
+function enabled(name) {
+  var i, len;
+  for (i = 0, len = exports.skips.length; i < len; i++) {
+    if (exports.skips[i].test(name)) {
+      return false;
     }
-  } else {
-    debug('packet received with socket readyState "%s"', this.readyState);
   }
-};
+  for (i = 0, len = exports.names.length; i < len; i++) {
+    if (exports.names[i].test(name)) {
+      return true;
+    }
+  }
+  return false;
+}
 
 /**
- * Called upon handshake completion.
+ * Coerce `val`.
  *
- * @param {Object} handshake obj
+ * @param {Mixed} val
+ * @return {Mixed}
  * @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();
+function coerce(val) {
+  if (val instanceof Error) return val.stack || val.message;
+  return val;
+}
 
-  // Prolong liveness of socket on heartbeat
-  this.removeListener('heartbeat', this.onHeartbeat);
-  this.on('heartbeat', this.onHeartbeat);
-};
+},{"ms":28}],9:[function(_dereq_,module,exports){
 
-/**
- * Resets ping timeout.
- *
- * @api private
- */
+module.exports =  _dereq_('./lib/');
 
-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));
-};
+},{"./lib/":10}],10:[function(_dereq_,module,exports){
+
+module.exports = _dereq_('./socket');
 
 /**
- * Pings server every `this.pingInterval` and expects response
- * within `this.pingTimeout` or closes connection.
+ * Exports parser
+ *
+ * @api public
  *
- * @api private
  */
+module.exports.parser = _dereq_('engine.io-parser');
 
-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);
-};
-
+},{"./socket":11,"engine.io-parser":19}],11:[function(_dereq_,module,exports){
+(function (global){
 /**
-* Sends a ping packet.
-*
-* @api private
-*/
+ * Module dependencies.
+ */
 
-Socket.prototype.ping = function () {
-  var self = this;
-  this.sendPacket('ping', function(){
-    self.emit('ping');
-  });
-};
+var transports = _dereq_('./transports');
+var Emitter = _dereq_('component-emitter');
+var debug = _dereq_('debug')('engine.io-client:socket');
+var index = _dereq_('indexof');
+var parser = _dereq_('engine.io-parser');
+var parseuri = _dereq_('parseuri');
+var parsejson = _dereq_('parsejson');
+var parseqs = _dereq_('parseqs');
 
 /**
- * Called on `drain` event
- *
- * @api private
+ * Module exports.
  */
 
-Socket.prototype.onDrain = function() {
-  this.writeBuffer.splice(0, this.prevBufferLen);
-
-  // setting prevBufferLen = 0 is very important
-  // for example, when upgrading, upgrade packet is sent over,
-  // and a nonzero prevBufferLen could cause problems on `drain`
-  this.prevBufferLen = 0;
-
-  if (0 === this.writeBuffer.length) {
-    this.emit('drain');
-  } else {
-    this.flush();
-  }
-};
+module.exports = Socket;
 
 /**
- * Flush write buffers.
+ * Noop function.
  *
  * @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');
-  }
-};
+function noop(){}
 
 /**
- * Sends a message.
+ * Socket constructor.
  *
- * @param {String} message.
- * @param {Function} callback function.
- * @param {Object} options.
- * @return {Socket} for chaining.
+ * @param {String|Object} uri or options
+ * @param {Object} options
  * @api public
  */
 
-Socket.prototype.write =
-Socket.prototype.send = function (msg, options, fn) {
-  this.sendPacket('message', msg, options, fn);
-  return this;
-};
+function Socket(uri, opts){
+  if (!(this instanceof Socket)) return new Socket(uri, opts);
 
-/**
- * Sends a packet.
- *
- * @param {String} packet type.
- * @param {String} data.
- * @param {Object} options.
- * @param {Function} callback function.
- * @api private
- */
+  opts = opts || {};
 
-Socket.prototype.sendPacket = function (type, data, options, fn) {
-  if('function' == typeof data) {
-    fn = data;
-    data = undefined;
+  if (uri && 'object' == typeof uri) {
+    opts = uri;
+    uri = null;
   }
 
-  if ('function' == typeof options) {
-    fn = options;
-    options = null;
+  if (uri) {
+    uri = parseuri(uri);
+    opts.hostname = uri.host;
+    opts.secure = uri.protocol == 'https' || uri.protocol == 'wss';
+    opts.port = uri.port;
+    if (uri.query) opts.query = uri.query;
+  } else if (opts.host) {
+    opts.hostname = parseuri(opts.host).host;
   }
 
-  if ('closing' == this.readyState || 'closed' == this.readyState) {
-    return;
+  this.secure = null != opts.secure ? opts.secure :
+    (global.location && 'https:' == location.protocol);
+
+  if (opts.hostname && !opts.port) {
+    // if no port is specified manually, use the protocol default
+    opts.port = this.secure ? '443' : '80';
   }
 
-  options = options || {};
-  options.compress = false !== options.compress;
+  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.jsonp = false !== opts.jsonp;
+  this.forceBase64 = !!opts.forceBase64;
+  this.enablesXDR = !!opts.enablesXDR;
+  this.timestampParam = opts.timestampParam || 't';
+  this.timestampRequests = opts.timestampRequests;
+  this.transports = opts.transports || ['polling', 'websocket'];
+  this.readyState = '';
+  this.writeBuffer = [];
+  this.policyPort = opts.policyPort || 843;
+  this.rememberUpgrade = opts.rememberUpgrade || false;
+  this.binaryType = null;
+  this.onlyBinaryUpgrades = opts.onlyBinaryUpgrades;
+  this.perMessageDeflate = false !== opts.perMessageDeflate ? (opts.perMessageDeflate || {}) : false;
 
-  var packet = {
-    type: type,
-    data: data,
-    options: options
-  };
-  this.emit('packetCreate', packet);
-  this.writeBuffer.push(packet);
-  if (fn) this.once('flush', fn);
-  this.flush();
-};
-
-/**
- * Closes the connection.
- *
- * @api private
- */
-
-Socket.prototype.close = function () {
-  if ('opening' == this.readyState || 'open' == this.readyState) {
-    this.readyState = 'closing';
+  if (true === this.perMessageDeflate) this.perMessageDeflate = {};
+  if (this.perMessageDeflate && null == this.perMessageDeflate.threshold) {
+    this.perMessageDeflate.threshold = 1024;
+  }
 
-    var self = this;
+  // SSL options for Node.js client
+  this.pfx = opts.pfx || null;
+  this.key = opts.key || null;
+  this.passphrase = opts.passphrase || null;
+  this.cert = opts.cert || null;
+  this.ca = opts.ca || null;
+  this.ciphers = opts.ciphers || null;
+  this.rejectUnauthorized = opts.rejectUnauthorized === undefined ? true : opts.rejectUnauthorized;
 
-    if (this.writeBuffer.length) {
-      this.once('drain', function() {
-        if (this.upgrading) {
-          waitForUpgrade();
-        } else {
-          close();
-        }
-      });
-    } else if (this.upgrading) {
-      waitForUpgrade();
-    } else {
-      close();
+  // other options for Node.js client
+  var freeGlobal = typeof global == 'object' && global;
+  if (freeGlobal.global === freeGlobal) {
+    if (opts.extraHeaders && Object.keys(opts.extraHeaders).length > 0) {
+      this.extraHeaders = opts.extraHeaders;
     }
   }
 
-  function close() {
-    self.onClose('forced close');
-    debug('socket closing - telling transport to close');
-    self.transport.close();
-  }
+  this.open();
+}
 
-  function cleanupAndClose() {
-    self.removeListener('upgrade', cleanupAndClose);
-    self.removeListener('upgradeError', cleanupAndClose);
-    close();
-  }
+Socket.priorWebsocketSuccess = false;
 
-  function waitForUpgrade() {
-    // wait for upgrade to finish since we can't send packets while pausing a transport
-    self.once('upgrade', cleanupAndClose);
-    self.once('upgradeError', cleanupAndClose);
-  }
+/**
+ * Mix in `Emitter`.
+ */
 
-  return this;
-};
+Emitter(Socket.prototype);
 
 /**
- * Called upon transport error
+ * Protocol version.
  *
- * @api private
+ * @api public
  */
 
-Socket.prototype.onError = function (err) {
-  debug('socket error %j', err);
-  Socket.priorWebsocketSuccess = false;
-  this.emit('error', err);
-  this.onClose('transport error', err);
-};
+Socket.protocol = parser.protocol; // this is an int
 
 /**
- * Called upon transport close.
- *
- * @api private
+ * Expose deps for legacy compatibility
+ * and standalone browser access.
  */
 
-Socket.prototype.onClose = function (reason, desc) {
-  if ('opening' == this.readyState || 'open' == this.readyState || 'closing' == this.readyState) {
-    debug('socket close with reason: "%s"', reason);
-    var self = this;
+Socket.Socket = Socket;
+Socket.Transport = _dereq_('./transport');
+Socket.transports = _dereq_('./transports');
+Socket.parser = _dereq_('engine.io-parser');
 
-    // clear timers
-    clearTimeout(this.pingIntervalTimer);
-    clearTimeout(this.pingTimeoutTimer);
+/**
+ * Creates transport of the given type.
+ *
+ * @param {String} transport name
+ * @return {Transport}
+ * @api private
+ */
 
-    // stop event from firing again for transport
-    this.transport.removeAllListeners('close');
+Socket.prototype.createTransport = function (name) {
+  debug('creating transport "%s"', name);
+  var query = clone(this.query);
 
-    // ensure transport won't stay open
-    this.transport.close();
+  // append engine.io protocol identifier
+  query.EIO = parser.protocol;
 
-    // ignore further transport communication
-    this.transport.removeAllListeners();
+  // transport name
+  query.transport = name;
 
-    // set ready state
-    this.readyState = 'closed';
+  // session id if we already have one
+  if (this.id) query.sid = this.id;
 
-    // clear session id
-    this.id = null;
+  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,
+    jsonp: this.jsonp,
+    forceBase64: this.forceBase64,
+    enablesXDR: this.enablesXDR,
+    timestampRequests: this.timestampRequests,
+    timestampParam: this.timestampParam,
+    policyPort: this.policyPort,
+    socket: this,
+    pfx: this.pfx,
+    key: this.key,
+    passphrase: this.passphrase,
+    cert: this.cert,
+    ca: this.ca,
+    ciphers: this.ciphers,
+    rejectUnauthorized: this.rejectUnauthorized,
+    perMessageDeflate: this.perMessageDeflate,
+    extraHeaders: this.extraHeaders
+  });
 
-    // emit close event
-    this.emit('close', reason, desc);
+  return transport;
+};
 
-    // clean buffers after, so users can still
-    // grab the buffers on `close` event
-    self.writeBuffer = [];
-    self.prevBufferLen = 0;
+function clone (obj) {
+  var o = {};
+  for (var i in obj) {
+    if (obj.hasOwnProperty(i)) {
+      o[i] = obj[i];
+    }
   }
-};
+  return o;
+}
 
 /**
- * Filters upgrades, returning only those matching client transports.
+ * Initializes transport to use and starts probe.
  *
- * @param {Array} server upgrades
  * @api private
- *
  */
+Socket.prototype.open = function () {
+  var transport;
+  if (this.rememberUpgrade && Socket.priorWebsocketSuccess && this.transports.indexOf('websocket') != -1) {
+    transport = 'websocket';
+  } else if (0 === this.transports.length) {
+    // Emit error on next tick so it can be listened to
+    var self = this;
+    setTimeout(function() {
+      self.emit('error', 'No transports available');
+    }, 0);
+    return;
+  } else {
+    transport = this.transports[0];
+  }
+  this.readyState = 'opening';
 
-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]);
+  // Retry with the next transport if the transport is disabled (jsonp: false)
+  try {
+    transport = this.createTransport(transport);
+  } catch (e) {
+    this.transports.shift();
+    this.open();
+    return;
   }
-  return filteredUpgrades;
+
+  transport.open();
+  this.setTransport(transport);
 };
 
-}).call(this,typeof global !== "undefined" ? global : typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {})
-},{"./transport":5,"./transports":6,"component-emitter":1,"debug":13,"engine.io-parser":16,"indexof":26,"parsejson":27,"parseqs":28,"parseuri":29}],5:[function(_dereq_,module,exports){
 /**
- * Module dependencies.
+ * Sets the current transport. Disables the existing one (if any).
+ *
+ * @api private
  */
 
-var parser = _dereq_('engine.io-parser');
-var Emitter = _dereq_('component-emitter');
+Socket.prototype.setTransport = function(transport){
+  debug('setting transport %s', transport.name);
+  var self = this;
 
-/**
- * Module exports.
- */
+  if (this.transport) {
+    debug('clearing existing transport %s', this.transport.name);
+    this.transport.removeAllListeners();
+  }
 
-module.exports = Transport;
+  // 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');
+  });
+};
 
 /**
- * Transport abstract constructor.
+ * Probes a transport.
  *
- * @param {Object} options.
+ * @param {String} transport name
  * @api private
  */
 
-function Transport (opts) {
-  this.path = opts.path;
-  this.hostname = opts.hostname;
-  this.port = opts.port;
-  this.secure = opts.secure;
-  this.query = opts.query;
-  this.timestampParam = opts.timestampParam;
-  this.timestampRequests = opts.timestampRequests;
-  this.readyState = '';
-  this.agent = opts.agent || false;
-  this.socket = opts.socket;
-  this.enablesXDR = opts.enablesXDR;
+Socket.prototype.probe = function (name) {
+  debug('probing transport "%s"', name);
+  var transport = this.createTransport(name, { probe: 1 })
+    , failed = false
+    , self = this;
 
-  // SSL options for Node.js client
-  this.pfx = opts.pfx;
-  this.key = opts.key;
-  this.passphrase = opts.passphrase;
-  this.cert = opts.cert;
-  this.ca = opts.ca;
-  this.ciphers = opts.ciphers;
-  this.rejectUnauthorized = opts.rejectUnauthorized;
+  Socket.priorWebsocketSuccess = false;
 
-  // other options for Node.js client
-  this.extraHeaders = opts.extraHeaders;
-}
+  function onTransportOpen(){
+    if (self.onlyBinaryUpgrades) {
+      var upgradeLosesBinary = !this.supportsBinary && self.transport.supportsBinary;
+      failed = failed || upgradeLosesBinary;
+    }
+    if (failed) return;
 
-/**
- * Mix in `Emitter`.
- */
+    debug('probe transport "%s" opened', name);
+    transport.send([{ type: 'ping', data: 'probe' }]);
+    transport.once('packet', function (msg) {
+      if (failed) return;
+      if ('pong' == msg.type && 'probe' == msg.data) {
+        debug('probe transport "%s" pong', name);
+        self.upgrading = true;
+        self.emit('upgrading', transport);
+        if (!transport) return;
+        Socket.priorWebsocketSuccess = 'websocket' == transport.name;
 
-Emitter(Transport.prototype);
+        debug('pausing current transport "%s"', self.transport.name);
+        self.transport.pause(function () {
+          if (failed) return;
+          if ('closed' == self.readyState) return;
+          debug('changing transport and sending upgrade packet');
 
-/**
- * Emits an error.
- *
- * @param {String} str
- * @return {Transport} for chaining
- * @api public
- */
+          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();
 
-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.
+ * Called when connection is deemed open.
  *
  * @api public
  */
 
-Transport.prototype.open = function () {
-  if ('closed' == this.readyState || '' == this.readyState) {
-    this.readyState = 'opening';
-    this.doOpen();
-  }
+Socket.prototype.onOpen = function () {
+  debug('socket open');
+  this.readyState = 'open';
+  Socket.priorWebsocketSuccess = 'websocket' == this.transport.name;
+  this.emit('open');
+  this.flush();
 
-  return this;
+  // 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]);
+    }
+  }
 };
 
 /**
- * Closes the transport.
+ * Handles a packet.
  *
  * @api private
  */
 
-Transport.prototype.close = function () {
+Socket.prototype.onPacket = function (packet) {
   if ('opening' == this.readyState || 'open' == this.readyState) {
-    this.doClose();
-    this.onClose();
-  }
+    debug('socket receive: type "%s", data "%s"', packet.type, packet.data);
 
-  return this;
+    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();
+        this.emit('pong');
+        break;
+
+      case 'error':
+        var err = new Error('server error');
+        err.code = packet.data;
+        this.onError(err);
+        break;
+
+      case 'message':
+        this.emit('data', packet.data);
+        this.emit('message', packet.data);
+        break;
+    }
+  } else {
+    debug('packet received with socket readyState "%s"', this.readyState);
+  }
 };
 
 /**
- * Sends multiple packets.
+ * Called upon handshake completion.
  *
- * @param {Array} packets
+ * @param {Object} handshake obj
  * @api private
  */
 
-Transport.prototype.send = function(packets){
-  if ('open' == this.readyState) {
-    this.write(packets);
-  } else {
-    throw new Error('Transport not open');
-  }
+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);
 };
 
 /**
- * Called upon open
+ * Resets ping timeout.
  *
  * @api private
  */
 
-Transport.prototype.onOpen = function () {
-  this.readyState = 'open';
-  this.writable = true;
-  this.emit('open');
+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));
 };
 
 /**
- * Called with data.
+ * Pings server every `this.pingInterval` and expects response
+ * within `this.pingTimeout` or closes connection.
  *
- * @param {String} data
  * @api private
  */
 
-Transport.prototype.onData = function(data){
-  var packet = parser.decodePacket(data, this.socket.binaryType);
-  this.onPacket(packet);
+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);
 };
 
 /**
- * Called with a decoded packet.
- */
+* Sends a ping packet.
+*
+* @api private
+*/
 
-Transport.prototype.onPacket = function (packet) {
-  this.emit('packet', packet);
+Socket.prototype.ping = function () {
+  var self = this;
+  this.sendPacket('ping', function(){
+    self.emit('ping');
+  });
 };
 
 /**
- * Called upon close.
+ * Called on `drain` event
  *
  * @api private
  */
 
-Transport.prototype.onClose = function () {
-  this.readyState = 'closed';
-  this.emit('close');
+Socket.prototype.onDrain = function() {
+  this.writeBuffer.splice(0, this.prevBufferLen);
+
+  // setting prevBufferLen = 0 is very important
+  // for example, when upgrading, upgrade packet is sent over,
+  // and a nonzero prevBufferLen could cause problems on `drain`
+  this.prevBufferLen = 0;
+
+  if (0 === this.writeBuffer.length) {
+    this.emit('drain');
+  } else {
+    this.flush();
+  }
 };
 
-},{"component-emitter":1,"engine.io-parser":16}],6:[function(_dereq_,module,exports){
-(function (global){
 /**
- * Module dependencies
+ * Flush write buffers.
+ *
+ * @api private
  */
 
-var XMLHttpRequest = _dereq_('xmlhttprequest-ssl');
-var XHR = _dereq_('./polling-xhr');
-var JSONP = _dereq_('./polling-jsonp');
-var websocket = _dereq_('./websocket');
+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');
+  }
+};
 
 /**
- * Export transports.
+ * Sends a message.
+ *
+ * @param {String} message.
+ * @param {Function} callback function.
+ * @param {Object} options.
+ * @return {Socket} for chaining.
+ * @api public
  */
 
-exports.polling = polling;
-exports.websocket = websocket;
+Socket.prototype.write =
+Socket.prototype.send = function (msg, options, fn) {
+  this.sendPacket('message', msg, options, fn);
+  return this;
+};
 
 /**
- * Polling transport polymorphic constructor.
- * Decides on xhr vs jsonp based on feature detection.
+ * Sends a packet.
  *
+ * @param {String} packet type.
+ * @param {String} data.
+ * @param {Object} options.
+ * @param {Function} callback function.
  * @api private
  */
 
-function polling(opts){
-  var xhr;
-  var xd = false;
-  var xs = false;
-  var jsonp = false !== opts.jsonp;
-
-  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;
-    xs = opts.secure != isSSL;
+Socket.prototype.sendPacket = function (type, data, options, fn) {
+  if('function' == typeof data) {
+    fn = data;
+    data = undefined;
   }
 
-  opts.xdomain = xd;
-  opts.xscheme = xs;
-  xhr = new XMLHttpRequest(opts);
-
-  if ('open' in xhr && !opts.forceJSONP) {
-    return new XHR(opts);
-  } else {
-    if (!jsonp) throw new Error('JSONP disabled');
-    return new JSONP(opts);
+  if ('function' == typeof options) {
+    fn = options;
+    options = null;
   }
-}
 
-}).call(this,typeof global !== "undefined" ? global : typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {})
-},{"./polling-jsonp":7,"./polling-xhr":8,"./websocket":10,"xmlhttprequest-ssl":11}],7:[function(_dereq_,module,exports){
-(function (global){
+  if ('closing' == this.readyState || 'closed' == this.readyState) {
+    return;
+  }
 
-/**
- * Module requirements.
- */
+  options = options || {};
+  options.compress = false !== options.compress;
 
-var Polling = _dereq_('./polling');
-var inherit = _dereq_('component-inherit');
+  var packet = {
+    type: type,
+    data: data,
+    options: options
+  };
+  this.emit('packetCreate', packet);
+  this.writeBuffer.push(packet);
+  if (fn) this.once('flush', fn);
+  this.flush();
+};
 
 /**
- * Module exports.
+ * Closes the connection.
+ *
+ * @api private
  */
 
-module.exports = JSONPPolling;
+Socket.prototype.close = function () {
+  if ('opening' == this.readyState || 'open' == this.readyState) {
+    this.readyState = 'closing';
 
-/**
- * Cached regular expressions.
- */
+    var self = this;
 
-var rNewline = /\n/g;
-var rEscapedNewline = /\\n/g;
+    if (this.writeBuffer.length) {
+      this.once('drain', function() {
+        if (this.upgrading) {
+          waitForUpgrade();
+        } else {
+          close();
+        }
+      });
+    } else if (this.upgrading) {
+      waitForUpgrade();
+    } else {
+      close();
+    }
+  }
 
-/**
- * Global JSONP callbacks.
- */
+  function close() {
+    self.onClose('forced close');
+    debug('socket closing - telling transport to close');
+    self.transport.close();
+  }
 
-var callbacks;
+  function cleanupAndClose() {
+    self.removeListener('upgrade', cleanupAndClose);
+    self.removeListener('upgradeError', cleanupAndClose);
+    close();
+  }
 
-/**
- * Callbacks count.
- */
+  function waitForUpgrade() {
+    // wait for upgrade to finish since we can't send packets while pausing a transport
+    self.once('upgrade', cleanupAndClose);
+    self.once('upgradeError', cleanupAndClose);
+  }
 
-var index = 0;
+  return this;
+};
 
 /**
- * Noop.
+ * Called upon transport error
+ *
+ * @api private
  */
 
-function empty () { }
+Socket.prototype.onError = function (err) {
+  debug('socket error %j', err);
+  Socket.priorWebsocketSuccess = false;
+  this.emit('error', err);
+  this.onClose('transport error', err);
+};
 
 /**
- * JSONP Polling constructor.
+ * Called upon transport close.
  *
- * @param {Object} opts.
- * @api public
+ * @api private
  */
 
-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;
-  }
+Socket.prototype.onClose = function (reason, desc) {
+  if ('opening' == this.readyState || 'open' == this.readyState || 'closing' == this.readyState) {
+    debug('socket close with reason: "%s"', reason);
+    var self = this;
 
-  // callback identifier
-  this.index = callbacks.length;
+    // clear timers
+    clearTimeout(this.pingIntervalTimer);
+    clearTimeout(this.pingTimeoutTimer);
 
-  // add callback to jsonp global
-  var self = this;
-  callbacks.push(function (msg) {
-    self.onData(msg);
-  });
+    // stop event from firing again for transport
+    this.transport.removeAllListeners('close');
 
-  // append to query string
-  this.query.j = this.index;
+    // ensure transport won't stay open
+    this.transport.close();
 
-  // 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;
-    }, false);
-  }
-}
+    // ignore further transport communication
+    this.transport.removeAllListeners();
 
-/**
- * Inherits from Polling.
- */
+    // set ready state
+    this.readyState = 'closed';
 
-inherit(JSONPPolling, Polling);
+    // clear session id
+    this.id = null;
 
-/*
- * JSONP only supports binary as base64 encoded strings
- */
+    // emit close event
+    this.emit('close', reason, desc);
 
-JSONPPolling.prototype.supportsBinary = false;
+    // clean buffers after, so users can still
+    // grab the buffers on `close` event
+    self.writeBuffer = [];
+    self.prevBufferLen = 0;
+  }
+};
 
 /**
- * Closes the socket.
+ * Filters upgrades, returning only those matching client transports.
  *
+ * @param {Array} server upgrades
  * @api private
+ *
  */
 
-JSONPPolling.prototype.doClose = function () {
-  if (this.script) {
-    this.script.parentNode.removeChild(this.script);
-    this.script = null;
+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;
+};
 
-  if (this.form) {
-    this.form.parentNode.removeChild(this.form);
-    this.form = null;
-    this.iframe = null;
-  }
+}).call(this,typeof global !== "undefined" ? global : typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {})
+},{"./transport":12,"./transports":13,"component-emitter":5,"debug":7,"engine.io-parser":19,"indexof":26,"parsejson":29,"parseqs":30,"parseuri":31}],12:[function(_dereq_,module,exports){
+/**
+ * Module dependencies.
+ */
 
-  Polling.prototype.doClose.call(this);
-};
+var parser = _dereq_('engine.io-parser');
+var Emitter = _dereq_('component-emitter');
 
 /**
- * Starts a poll cycle.
+ * Module exports.
+ */
+
+module.exports = Transport;
+
+/**
+ * Transport abstract constructor.
  *
+ * @param {Object} options.
  * @api private
  */
 
-JSONPPolling.prototype.doPoll = function () {
-  var self = this;
-  var script = document.createElement('script');
+function Transport (opts) {
+  this.path = opts.path;
+  this.hostname = opts.hostname;
+  this.port = opts.port;
+  this.secure = opts.secure;
+  this.query = opts.query;
+  this.timestampParam = opts.timestampParam;
+  this.timestampRequests = opts.timestampRequests;
+  this.readyState = '';
+  this.agent = opts.agent || false;
+  this.socket = opts.socket;
+  this.enablesXDR = opts.enablesXDR;
 
-  if (this.script) {
-    this.script.parentNode.removeChild(this.script);
-    this.script = null;
-  }
+  // SSL options for Node.js client
+  this.pfx = opts.pfx;
+  this.key = opts.key;
+  this.passphrase = opts.passphrase;
+  this.cert = opts.cert;
+  this.ca = opts.ca;
+  this.ciphers = opts.ciphers;
+  this.rejectUnauthorized = opts.rejectUnauthorized;
 
-  script.async = true;
-  script.src = this.uri();
-  script.onerror = function(e){
-    self.onError('jsonp poll error',e);
-  };
+  // other options for Node.js client
+  this.extraHeaders = opts.extraHeaders;
+}
 
-  var insertAt = document.getElementsByTagName('script')[0];
-  if (insertAt) {
-    insertAt.parentNode.insertBefore(script, insertAt);
-  }
-  else {
-    (document.head || document.body).appendChild(script);
-  }
-  this.script = script;
+/**
+ * Mix in `Emitter`.
+ */
 
-  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);
-  }
-};
+Emitter(Transport.prototype);
 
 /**
- * Writes with a hidden iframe.
+ * Emits an error.
  *
- * @param {String} data to send
- * @param {Function} called upon flush.
- * @api private
+ * @param {String} str
+ * @return {Transport} for chaining
+ * @api public
  */
 
-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;
-  }
+Transport.prototype.onError = function (msg, desc) {
+  var err = new Error(msg);
+  err.type = 'TransportError';
+  err.description = desc;
+  this.emit('error', err);
+  return this;
+};
 
-  this.form.action = this.uri();
+/**
+ * Opens the transport.
+ *
+ * @api public
+ */
 
-  function complete () {
-    initIframe();
-    fn();
+Transport.prototype.open = function () {
+  if ('closed' == this.readyState || '' == this.readyState) {
+    this.readyState = 'opening';
+    this.doOpen();
   }
 
-  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';
-    }
+  return this;
+};
 
-    iframe.id = self.iframeId;
+/**
+ * Closes the transport.
+ *
+ * @api private
+ */
 
-    self.form.appendChild(iframe);
-    self.iframe = iframe;
+Transport.prototype.close = function () {
+  if ('opening' == this.readyState || 'open' == this.readyState) {
+    this.doClose();
+    this.onClose();
   }
 
-  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');
+  return this;
+};
 
-  try {
-    this.form.submit();
-  } catch(e) {}
+/**
+ * Sends multiple packets.
+ *
+ * @param {Array} packets
+ * @api private
+ */
 
-  if (this.iframe.attachEvent) {
-    this.iframe.onreadystatechange = function(){
-      if (self.iframe.readyState == 'complete') {
-        complete();
-      }
-    };
+Transport.prototype.send = function(packets){
+  if ('open' == this.readyState) {
+    this.write(packets);
   } else {
-    this.iframe.onload = complete;
+    throw new Error('Transport not open');
   }
 };
 
-}).call(this,typeof global !== "undefined" ? global : typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {})
-},{"./polling":9,"component-inherit":12}],8:[function(_dereq_,module,exports){
-(function (global){
 /**
- * Module requirements.
+ * Called upon open
+ *
+ * @api private
  */
 
-var XMLHttpRequest = _dereq_('xmlhttprequest-ssl');
-var Polling = _dereq_('./polling');
-var Emitter = _dereq_('component-emitter');
-var inherit = _dereq_('component-inherit');
-var debug = _dereq_('debug')('engine.io-client:polling-xhr');
+Transport.prototype.onOpen = function () {
+  this.readyState = 'open';
+  this.writable = true;
+  this.emit('open');
+};
 
 /**
- * Module exports.
+ * Called with data.
+ *
+ * @param {String} data
+ * @api private
  */
 
-module.exports = XHR;
-module.exports.Request = Request;
+Transport.prototype.onData = function(data){
+  var packet = parser.decodePacket(data, this.socket.binaryType);
+  this.onPacket(packet);
+};
 
 /**
- * Empty function
+ * Called with a decoded packet.
  */
 
-function empty(){}
+Transport.prototype.onPacket = function (packet) {
+  this.emit('packet', packet);
+};
 
 /**
- * XHR Polling constructor.
+ * Called upon close.
  *
- * @param {Object} opts
- * @api public
+ * @api private
  */
 
-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;
-    this.xs = opts.secure != isSSL;
-  } else {
-    this.extraHeaders = opts.extraHeaders;
-  }
-}
+Transport.prototype.onClose = function () {
+  this.readyState = 'closed';
+  this.emit('close');
+};
 
+},{"component-emitter":5,"engine.io-parser":19}],13:[function(_dereq_,module,exports){
+(function (global){
 /**
- * Inherits from Polling.
+ * Module dependencies
  */
 
-inherit(XHR, Polling);
-
-/**
- * XHR supports binary
+var XMLHttpRequest = _dereq_('xmlhttprequest-ssl');
+var XHR = _dereq_('./polling-xhr');
+var JSONP = _dereq_('./polling-jsonp');
+var websocket = _dereq_('./websocket');
+
+/**
+ * Export transports.
  */
 
-XHR.prototype.supportsBinary = true;
+exports.polling = polling;
+exports.websocket = websocket;
 
 /**
- * Creates a request.
+ * Polling transport polymorphic constructor.
+ * Decides on xhr vs jsonp based on feature detection.
  *
- * @param {String} method
  * @api private
  */
 
-XHR.prototype.request = function(opts){
-  opts = opts || {};
-  opts.uri = this.uri();
-  opts.xd = this.xd;
-  opts.xs = this.xs;
-  opts.agent = this.agent || false;
-  opts.supportsBinary = this.supportsBinary;
-  opts.enablesXDR = this.enablesXDR;
+function polling(opts){
+  var xhr;
+  var xd = false;
+  var xs = false;
+  var jsonp = false !== opts.jsonp;
 
-  // SSL options for Node.js client
-  opts.pfx = this.pfx;
-  opts.key = this.key;
-  opts.passphrase = this.passphrase;
-  opts.cert = this.cert;
-  opts.ca = this.ca;
-  opts.ciphers = this.ciphers;
-  opts.rejectUnauthorized = this.rejectUnauthorized;
+  if (global.location) {
+    var isSSL = 'https:' == location.protocol;
+    var port = location.port;
 
-  // other options for Node.js client
-  opts.extraHeaders = this.extraHeaders;
+    // some user agents have empty `location.port`
+    if (!port) {
+      port = isSSL ? 443 : 80;
+    }
 
-  return new Request(opts);
-};
+    xd = opts.hostname != location.hostname || port != opts.port;
+    xs = opts.secure != isSSL;
+  }
+
+  opts.xdomain = xd;
+  opts.xscheme = xs;
+  xhr = new XMLHttpRequest(opts);
+
+  if ('open' in xhr && !opts.forceJSONP) {
+    return new XHR(opts);
+  } else {
+    if (!jsonp) throw new Error('JSONP disabled');
+    return new JSONP(opts);
+  }
+}
+
+}).call(this,typeof global !== "undefined" ? global : typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {})
+},{"./polling-jsonp":14,"./polling-xhr":15,"./websocket":17,"xmlhttprequest-ssl":18}],14:[function(_dereq_,module,exports){
+(function (global){
 
 /**
- * Sends data.
- *
- * @param {String} data to send.
- * @param {Function} called upon flush.
- * @api private
+ * Module requirements.
  */
 
-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;
-};
+var Polling = _dereq_('./polling');
+var inherit = _dereq_('component-inherit');
 
 /**
- * Starts a poll cycle.
- *
- * @api private
+ * Module exports.
  */
 
-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;
-};
+module.exports = JSONPPolling;
 
 /**
- * Request constructor
- *
- * @param {Object} options
- * @api public
+ * Cached regular expressions.
  */
 
-function Request(opts){
-  this.method = opts.method || 'GET';
-  this.uri = opts.uri;
-  this.xd = !!opts.xd;
-  this.xs = !!opts.xs;
-  this.async = false !== opts.async;
-  this.data = undefined != opts.data ? opts.data : null;
-  this.agent = opts.agent;
-  this.isBinary = opts.isBinary;
-  this.supportsBinary = opts.supportsBinary;
-  this.enablesXDR = opts.enablesXDR;
-
-  // SSL options for Node.js client
-  this.pfx = opts.pfx;
-  this.key = opts.key;
-  this.passphrase = opts.passphrase;
-  this.cert = opts.cert;
-  this.ca = opts.ca;
-  this.ciphers = opts.ciphers;
-  this.rejectUnauthorized = opts.rejectUnauthorized;
+var rNewline = /\n/g;
+var rEscapedNewline = /\\n/g;
 
-  // other options for Node.js client
-  this.extraHeaders = opts.extraHeaders;
+/**
+ * Global JSONP callbacks.
+ */
 
-  this.create();
-}
+var callbacks;
 
 /**
- * Mix in `Emitter`.
+ * Callbacks count.
  */
 
-Emitter(Request.prototype);
+var index = 0;
 
 /**
- * Creates the XHR object and sends the request.
- *
- * @api private
+ * Noop.
  */
 
-Request.prototype.create = function(){
-  var opts = { agent: this.agent, xdomain: this.xd, xscheme: this.xs, enablesXDR: this.enablesXDR };
+function empty () { }
 
-  // SSL options for Node.js client
-  opts.pfx = this.pfx;
-  opts.key = this.key;
-  opts.passphrase = this.passphrase;
-  opts.cert = this.cert;
-  opts.ca = this.ca;
-  opts.ciphers = this.ciphers;
-  opts.rejectUnauthorized = this.rejectUnauthorized;
+/**
+ * JSONP Polling constructor.
+ *
+ * @param {Object} opts.
+ * @api public
+ */
 
-  var xhr = this.xhr = new XMLHttpRequest(opts);
-  var self = this;
+function JSONPPolling (opts) {
+  Polling.call(this, opts);
 
-  try {
-    debug('xhr open %s: %s', this.method, this.uri);
-    xhr.open(this.method, this.uri, this.async);
-    try {
-      if (this.extraHeaders) {
-        xhr.setDisableHeaderCheck(true);
-        for (var i in this.extraHeaders) {
-          if (this.extraHeaders.hasOwnProperty(i)) {
-            xhr.setRequestHeader(i, this.extraHeaders[i]);
-          }
-        }
-      }
-    } catch (e) {}
-    if (this.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';
-    }
+  this.query = this.query || {};
 
-    if ('POST' == this.method) {
-      try {
-        if (this.isBinary) {
-          xhr.setRequestHeader('Content-type', 'application/octet-stream');
-        } else {
-          xhr.setRequestHeader('Content-type', 'text/plain;charset=UTF-8');
-        }
-      } catch (e) {}
-    }
+  // 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;
+  }
 
-    // ie6 check
-    if ('withCredentials' in xhr) {
-      xhr.withCredentials = true;
-    }
+  // callback identifier
+  this.index = callbacks.length;
 
-    if (this.hasXDR()) {
-      xhr.onload = function(){
-        self.onLoad();
-      };
-      xhr.onerror = function(){
-        self.onError(xhr.responseText);
-      };
-    } else {
-      xhr.onreadystatechange = function(){
-        if (4 != xhr.readyState) return;
-        if (200 == xhr.status || 1223 == xhr.status) {
-          self.onLoad();
-        } else {
-          // make sure the `error` event handler that's user-set
-          // does not throw in the same tick and gets caught here
-          setTimeout(function(){
-            self.onError(xhr.status);
-          }, 0);
-        }
-      };
-    }
+  // add callback to jsonp global
+  var self = this;
+  callbacks.push(function (msg) {
+    self.onData(msg);
+  });
 
-    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;
-  }
+  // append to query string
+  this.query.j = this.index;
 
-  if (global.document) {
-    this.index = Request.requestsCount++;
-    Request.requests[this.index] = this;
+  // 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;
+    }, false);
   }
-};
+}
 
 /**
- * Called upon successful response.
- *
- * @api private
+ * Inherits from Polling.
  */
 
-Request.prototype.onSuccess = function(){
-  this.emit('success');
-  this.cleanup();
-};
+inherit(JSONPPolling, Polling);
 
-/**
- * Called if we have data.
- *
- * @api private
+/*
+ * JSONP only supports binary as base64 encoded strings
  */
 
-Request.prototype.onData = function(data){
-  this.emit('data', data);
-  this.onSuccess();
-};
+JSONPPolling.prototype.supportsBinary = false;
 
 /**
- * Called upon error.
+ * Closes the socket.
  *
  * @api private
  */
 
-Request.prototype.onError = function(err){
-  this.emit('error', err);
-  this.cleanup(true);
+JSONPPolling.prototype.doClose = function () {
+  if (this.script) {
+    this.script.parentNode.removeChild(this.script);
+    this.script = null;
+  }
+
+  if (this.form) {
+    this.form.parentNode.removeChild(this.form);
+    this.form = null;
+    this.iframe = null;
+  }
+
+  Polling.prototype.doClose.call(this);
 };
 
 /**
- * Cleans up house.
+ * Starts a poll cycle.
  *
  * @api private
  */
 
-Request.prototype.cleanup = function(fromError){
-  if ('undefined' == typeof this.xhr || null === this.xhr) {
-    return;
-  }
-  // xmlhttprequest
-  if (this.hasXDR()) {
-    this.xhr.onload = this.xhr.onerror = empty;
-  } else {
-    this.xhr.onreadystatechange = empty;
-  }
+JSONPPolling.prototype.doPoll = function () {
+  var self = this;
+  var script = document.createElement('script');
 
-  if (fromError) {
-    try {
-      this.xhr.abort();
-    } catch(e) {}
+  if (this.script) {
+    this.script.parentNode.removeChild(this.script);
+    this.script = null;
   }
 
-  if (global.document) {
-    delete Request.requests[this.index];
+  script.async = true;
+  script.src = this.uri();
+  script.onerror = function(e){
+    self.onError('jsonp poll error',e);
+  };
+
+  var insertAt = document.getElementsByTagName('script')[0];
+  if (insertAt) {
+    insertAt.parentNode.insertBefore(script, insertAt);
+  }
+  else {
+    (document.head || document.body).appendChild(script);
   }
+  this.script = script;
 
-  this.xhr = null;
+  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);
+  }
 };
 
 /**
- * Called upon load.
+ * Writes with a hidden iframe.
  *
+ * @param {String} data to send
+ * @param {Function} called upon flush.
  * @api private
  */
 
-Request.prototype.onLoad = function(){
-  var data;
-  try {
-    var contentType;
-    try {
-      contentType = this.xhr.getResponseHeader('Content-Type').split(';')[0];
-    } catch (e) {}
-    if (contentType === 'application/octet-stream') {
-      data = this.xhr.response;
-    } else {
-      if (!this.supportsBinary) {
-        data = this.xhr.responseText;
-      } else {
-        try {
-          data = String.fromCharCode.apply(null, new Uint8Array(this.xhr.response));
-        } catch (e) {
-          var ui8Arr = new Uint8Array(this.xhr.response);
-          var dataArray = [];
-          for (var idx = 0, length = ui8Arr.length; idx < length; idx++) {
-            dataArray.push(ui8Arr[idx]);
-          }
+JSONPPolling.prototype.doWrite = function (data, fn) {
+  var self = this;
 
-          data = String.fromCharCode.apply(null, dataArray);
-        }
-      }
-    }
-  } catch (e) {
-    this.onError(e);
-  }
-  if (null != data) {
-    this.onData(data);
+  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;
   }
-};
 
-/**
- * Check if it has XDomainRequest.
- *
- * @api private
- */
+  this.form.action = this.uri();
 
-Request.prototype.hasXDR = function(){
-  return 'undefined' !== typeof global.XDomainRequest && !this.xs && this.enablesXDR;
-};
+  function complete () {
+    initIframe();
+    fn();
+  }
 
-/**
- * Aborts the request.
- *
- * @api public
- */
+  function initIframe () {
+    if (self.iframe) {
+      try {
+        self.form.removeChild(self.iframe);
+      } catch (e) {
+        self.onError('jsonp polling iframe removal error', e);
+      }
+    }
 
-Request.prototype.abort = function(){
-  this.cleanup();
-};
+    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';
+    }
 
-/**
- * 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.
- */
+    iframe.id = self.iframeId;
 
-if (global.document) {
-  Request.requestsCount = 0;
-  Request.requests = {};
-  if (global.attachEvent) {
-    global.attachEvent('onunload', unloadHandler);
-  } else if (global.addEventListener) {
-    global.addEventListener('beforeunload', unloadHandler, false);
+    self.form.appendChild(iframe);
+    self.iframe = iframe;
   }
-}
 
-function unloadHandler() {
-  for (var i in Request.requests) {
-    if (Request.requests.hasOwnProperty(i)) {
-      Request.requests[i].abort();
-    }
+  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;
   }
-}
+};
 
 }).call(this,typeof global !== "undefined" ? global : typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {})
-},{"./polling":9,"component-emitter":1,"component-inherit":12,"debug":13,"xmlhttprequest-ssl":11}],9:[function(_dereq_,module,exports){
+},{"./polling":16,"component-inherit":6}],15:[function(_dereq_,module,exports){
+(function (global){
 /**
- * Module dependencies.
+ * Module requirements.
  */
 
-var Transport = _dereq_('../transport');
-var parseqs = _dereq_('parseqs');
-var parser = _dereq_('engine.io-parser');
+var XMLHttpRequest = _dereq_('xmlhttprequest-ssl');
+var Polling = _dereq_('./polling');
+var Emitter = _dereq_('component-emitter');
 var inherit = _dereq_('component-inherit');
-var yeast = _dereq_('yeast');
-var debug = _dereq_('debug')('engine.io-client:polling');
+var debug = _dereq_('debug')('engine.io-client:polling-xhr');
 
 /**
  * Module exports.
  */
 
-module.exports = Polling;
+module.exports = XHR;
+module.exports.Request = Request;
 
 /**
- * Is XHR2 supported?
+ * Empty function
  */
 
-var hasXHR2 = (function() {
-  var XMLHttpRequest = _dereq_('xmlhttprequest-ssl');
-  var xhr = new XMLHttpRequest({ xdomain: false });
-  return null != xhr.responseType;
-})();
+function empty(){}
 
 /**
- * Polling interface.
+ * XHR Polling constructor.
  *
  * @param {Object} opts
- * @api private
+ * @api public
  */
 
-function Polling(opts){
-  var forceBase64 = (opts && opts.forceBase64);
-  if (!hasXHR2 || forceBase64) {
-    this.supportsBinary = false;
-  }
-  Transport.call(this, opts);
-}
+function XHR(opts){
+  Polling.call(this, opts);
 
-/**
- * Inherits from Transport.
- */
+  if (global.location) {
+    var isSSL = 'https:' == location.protocol;
+    var port = location.port;
 
-inherit(Polling, Transport);
+    // some user agents have empty `location.port`
+    if (!port) {
+      port = isSSL ? 443 : 80;
+    }
+
+    this.xd = opts.hostname != global.location.hostname ||
+      port != opts.port;
+    this.xs = opts.secure != isSSL;
+  } else {
+    this.extraHeaders = opts.extraHeaders;
+  }
+}
 
 /**
- * Transport name.
+ * Inherits from Polling.
  */
 
-Polling.prototype.name = 'polling';
+inherit(XHR, Polling);
 
 /**
- * Opens the socket (triggers polling). We write a PING message to determine
- * when the transport is open.
- *
- * @api private
+ * XHR supports binary
  */
 
-Polling.prototype.doOpen = function(){
-  this.poll();
-};
+XHR.prototype.supportsBinary = true;
 
 /**
- * Pauses polling.
+ * Creates a request.
  *
- * @param {Function} callback upon buffers are flushed and transport is paused
+ * @param {String} method
  * @api private
  */
 
-Polling.prototype.pause = function(onPause){
-  var pending = 0;
-  var self = this;
-
-  this.readyState = 'pausing';
-
-  function pause(){
-    debug('paused');
-    self.readyState = 'paused';
-    onPause();
-  }
+XHR.prototype.request = function(opts){
+  opts = opts || {};
+  opts.uri = this.uri();
+  opts.xd = this.xd;
+  opts.xs = this.xs;
+  opts.agent = this.agent || false;
+  opts.supportsBinary = this.supportsBinary;
+  opts.enablesXDR = this.enablesXDR;
 
-  if (this.polling || !this.writable) {
-    var total = 0;
+  // SSL options for Node.js client
+  opts.pfx = this.pfx;
+  opts.key = this.key;
+  opts.passphrase = this.passphrase;
+  opts.cert = this.cert;
+  opts.ca = this.ca;
+  opts.ciphers = this.ciphers;
+  opts.rejectUnauthorized = this.rejectUnauthorized;
 
-    if (this.polling) {
-      debug('we are currently polling - waiting to pause');
-      total++;
-      this.once('pollComplete', function(){
-        debug('pre-pause polling complete');
-        --total || pause();
-      });
-    }
+  // other options for Node.js client
+  opts.extraHeaders = this.extraHeaders;
 
-    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();
-  }
+  return new Request(opts);
 };
 
 /**
- * Starts polling cycle.
+ * Sends data.
  *
- * @api public
+ * @param {String} data to send.
+ * @param {Function} called upon flush.
+ * @api private
  */
 
-Polling.prototype.poll = function(){
-  debug('polling');
-  this.polling = true;
-  this.doPoll();
-  this.emit('poll');
+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;
 };
 
 /**
- * Overloads onData to detect payloads.
+ * Starts a poll cycle.
  *
  * @api private
  */
 
-Polling.prototype.onData = function(data){
+XHR.prototype.doPoll = function(){
+  debug('xhr poll');
+  var req = this.request();
   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);
-    }
-  }
+  req.on('data', function(data){
+    self.onData(data);
+  });
+  req.on('error', function(err){
+    self.onError('xhr poll error', err);
+  });
+  this.pollXhr = req;
 };
 
 /**
- * For polling, send a close packet.
+ * Request constructor
  *
- * @api private
+ * @param {Object} options
+ * @api public
  */
 
-Polling.prototype.doClose = function(){
-  var self = this;
+function Request(opts){
+  this.method = opts.method || 'GET';
+  this.uri = opts.uri;
+  this.xd = !!opts.xd;
+  this.xs = !!opts.xs;
+  this.async = false !== opts.async;
+  this.data = undefined != opts.data ? opts.data : null;
+  this.agent = opts.agent;
+  this.isBinary = opts.isBinary;
+  this.supportsBinary = opts.supportsBinary;
+  this.enablesXDR = opts.enablesXDR;
 
-  function close(){
-    debug('writing close packet');
-    self.write([{ type: 'close' }]);
-  }
+  // SSL options for Node.js client
+  this.pfx = opts.pfx;
+  this.key = opts.key;
+  this.passphrase = opts.passphrase;
+  this.cert = opts.cert;
+  this.ca = opts.ca;
+  this.ciphers = opts.ciphers;
+  this.rejectUnauthorized = opts.rejectUnauthorized;
 
-  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);
-  }
-};
+  // other options for Node.js client
+  this.extraHeaders = opts.extraHeaders;
+
+  this.create();
+}
 
 /**
- * Writes a packets payload.
- *
- * @param {Array} data packets
- * @param {Function} drain callback
- * @api private
+ * Mix in `Emitter`.
  */
 
-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);
-  });
-};
+Emitter(Request.prototype);
 
 /**
- * Generates uri for connection.
+ * Creates the XHR object and sends the request.
  *
  * @api private
  */
 
-Polling.prototype.uri = function(){
-  var query = this.query || {};
-  var schema = this.secure ? 'https' : 'http';
-  var port = '';
-
-  // cache busting is forced
-  if (false !== this.timestampRequests) {
-    query[this.timestampParam] = yeast();
-  }
-
-  if (!this.supportsBinary && !query.sid) {
-    query.b64 = 1;
-  }
-
-  query = parseqs.encode(query);
+Request.prototype.create = function(){
+  var opts = { agent: this.agent, xdomain: this.xd, xscheme: this.xs, enablesXDR: this.enablesXDR };
 
-  // avoid port if default for schema
-  if (this.port && (('https' == schema && this.port != 443) ||
-     ('http' == schema && this.port != 80))) {
-    port = ':' + this.port;
-  }
+  // SSL options for Node.js client
+  opts.pfx = this.pfx;
+  opts.key = this.key;
+  opts.passphrase = this.passphrase;
+  opts.cert = this.cert;
+  opts.ca = this.ca;
+  opts.ciphers = this.ciphers;
+  opts.rejectUnauthorized = this.rejectUnauthorized;
 
-  // prepend ? to query
-  if (query.length) {
-    query = '?' + query;
-  }
+  var xhr = this.xhr = new XMLHttpRequest(opts);
+  var self = this;
 
-  var ipv6 = this.hostname.indexOf(':') !== -1;
-  return schema + '://' + (ipv6 ? '[' + this.hostname + ']' : this.hostname) + port + this.path + query;
-};
-
-},{"../transport":5,"component-inherit":12,"debug":13,"engine.io-parser":16,"parseqs":28,"xmlhttprequest-ssl":11,"yeast":30}],10:[function(_dereq_,module,exports){
-(function (global){
-/**
- * Module dependencies.
- */
+  try {
+    debug('xhr open %s: %s', this.method, this.uri);
+    xhr.open(this.method, this.uri, this.async);
+    try {
+      if (this.extraHeaders) {
+        xhr.setDisableHeaderCheck(true);
+        for (var i in this.extraHeaders) {
+          if (this.extraHeaders.hasOwnProperty(i)) {
+            xhr.setRequestHeader(i, this.extraHeaders[i]);
+          }
+        }
+      }
+    } catch (e) {}
+    if (this.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';
+    }
 
-var Transport = _dereq_('../transport');
-var parser = _dereq_('engine.io-parser');
-var parseqs = _dereq_('parseqs');
-var inherit = _dereq_('component-inherit');
-var yeast = _dereq_('yeast');
-var debug = _dereq_('debug')('engine.io-client:websocket');
-var BrowserWebSocket = global.WebSocket || global.MozWebSocket;
+    if ('POST' == this.method) {
+      try {
+        if (this.isBinary) {
+          xhr.setRequestHeader('Content-type', 'application/octet-stream');
+        } else {
+          xhr.setRequestHeader('Content-type', 'text/plain;charset=UTF-8');
+        }
+      } catch (e) {}
+    }
 
-/**
- * Get either the `WebSocket` or `MozWebSocket` globals
- * in the browser or try to resolve WebSocket-compatible
- * interface exposed by `ws` for Node-like environment.
- */
+    // ie6 check
+    if ('withCredentials' in xhr) {
+      xhr.withCredentials = true;
+    }
 
-var WebSocket = BrowserWebSocket;
-if (!WebSocket && typeof window === 'undefined') {
-  try {
-    WebSocket = _dereq_('ws');
-  } catch (e) { }
-}
+    if (this.hasXDR()) {
+      xhr.onload = function(){
+        self.onLoad();
+      };
+      xhr.onerror = function(){
+        self.onError(xhr.responseText);
+      };
+    } else {
+      xhr.onreadystatechange = function(){
+        if (4 != xhr.readyState) return;
+        if (200 == xhr.status || 1223 == xhr.status) {
+          self.onLoad();
+        } else {
+          // make sure the `error` event handler that's user-set
+          // does not throw in the same tick and gets caught here
+          setTimeout(function(){
+            self.onError(xhr.status);
+          }, 0);
+        }
+      };
+    }
 
-/**
- * Module exports.
- */
+    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;
+  }
 
-module.exports = WS;
+  if (global.document) {
+    this.index = Request.requestsCount++;
+    Request.requests[this.index] = this;
+  }
+};
 
 /**
- * WebSocket transport constructor.
+ * Called upon successful response.
  *
- * @api {Object} connection options
- * @api public
+ * @api private
  */
 
-function WS(opts){
-  var forceBase64 = (opts && opts.forceBase64);
-  if (forceBase64) {
-    this.supportsBinary = false;
-  }
-  this.perMessageDeflate = opts.perMessageDeflate;
-  Transport.call(this, opts);
-}
+Request.prototype.onSuccess = function(){
+  this.emit('success');
+  this.cleanup();
+};
 
 /**
- * Inherits from Transport.
+ * Called if we have data.
+ *
+ * @api private
  */
 
-inherit(WS, Transport);
+Request.prototype.onData = function(data){
+  this.emit('data', data);
+  this.onSuccess();
+};
 
 /**
- * Transport name.
+ * Called upon error.
  *
- * @api public
- */
-
-WS.prototype.name = 'websocket';
-
-/*
- * WebSockets support binary
+ * @api private
  */
 
-WS.prototype.supportsBinary = true;
+Request.prototype.onError = function(err){
+  this.emit('error', err);
+  this.cleanup(true);
+};
 
 /**
- * Opens socket.
+ * Cleans up house.
  *
  * @api private
  */
 
-WS.prototype.doOpen = function(){
-  if (!this.check()) {
-    // let probe timeout
+Request.prototype.cleanup = function(fromError){
+  if ('undefined' == typeof this.xhr || null === this.xhr) {
     return;
   }
-
-  var self = this;
-  var uri = this.uri();
-  var protocols = void(0);
-  var opts = {
-    agent: this.agent,
-    perMessageDeflate: this.perMessageDeflate
-  };
-
-  // SSL options for Node.js client
-  opts.pfx = this.pfx;
-  opts.key = this.key;
-  opts.passphrase = this.passphrase;
-  opts.cert = this.cert;
-  opts.ca = this.ca;
-  opts.ciphers = this.ciphers;
-  opts.rejectUnauthorized = this.rejectUnauthorized;
-  if (this.extraHeaders) {
-    opts.headers = this.extraHeaders;
+  // xmlhttprequest
+  if (this.hasXDR()) {
+    this.xhr.onload = this.xhr.onerror = empty;
+  } else {
+    this.xhr.onreadystatechange = empty;
   }
 
-  this.ws = BrowserWebSocket ? new WebSocket(uri) : new WebSocket(uri, protocols, opts);
-
-  if (this.ws.binaryType === undefined) {
-    this.supportsBinary = false;
+  if (fromError) {
+    try {
+      this.xhr.abort();
+    } catch(e) {}
   }
 
-  if (this.ws.supports && this.ws.supports.binary) {
-    this.supportsBinary = true;
-    this.ws.binaryType = 'buffer';
-  } else {
-    this.ws.binaryType = 'arraybuffer';
+  if (global.document) {
+    delete Request.requests[this.index];
   }
 
-  this.addEventListeners();
+  this.xhr = null;
 };
 
 /**
- * Adds event listeners to the socket
+ * Called upon load.
  *
  * @api private
  */
 
-WS.prototype.addEventListeners = function(){
-  var self = this;
+Request.prototype.onLoad = function(){
+  var data;
+  try {
+    var contentType;
+    try {
+      contentType = this.xhr.getResponseHeader('Content-Type').split(';')[0];
+    } catch (e) {}
+    if (contentType === 'application/octet-stream') {
+      data = this.xhr.response;
+    } else {
+      if (!this.supportsBinary) {
+        data = this.xhr.responseText;
+      } else {
+        try {
+          data = String.fromCharCode.apply(null, new Uint8Array(this.xhr.response));
+        } catch (e) {
+          var ui8Arr = new Uint8Array(this.xhr.response);
+          var dataArray = [];
+          for (var idx = 0, length = ui8Arr.length; idx < length; idx++) {
+            dataArray.push(ui8Arr[idx]);
+          }
 
-  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);
-  };
+          data = String.fromCharCode.apply(null, dataArray);
+        }
+      }
+    }
+  } catch (e) {
+    this.onError(e);
+  }
+  if (null != data) {
+    this.onData(data);
+  }
 };
 
 /**
- * Override `onData` to use a timer on iOS.
- * See: https://gist.github.com/mloughran/2052006
+ * Check if it has XDomainRequest.
  *
  * @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);
-  };
-}
+Request.prototype.hasXDR = function(){
+  return 'undefined' !== typeof global.XDomainRequest && !this.xs && this.enablesXDR;
+};
 
 /**
- * Writes data to socket.
+ * Aborts the request.
  *
- * @param {Array} array of packets.
- * @api private
+ * @api public
  */
 
-WS.prototype.write = function(packets){
-  var self = this;
-  this.writable = false;
-
-  // encodePacket efficient as it uses WS framing
-  // no need for encodePayload
-  var total = packets.length;
-  for (var i = 0, l = total; i < l; i++) {
-    (function(packet) {
-      parser.encodePacket(packet, self.supportsBinary, function(data) {
-        if (!BrowserWebSocket) {
-          // always create a new object (GH-437)
-          var opts = {};
-          if (packet.options) {
-            opts.compress = packet.options.compress;
-          }
+Request.prototype.abort = function(){
+  this.cleanup();
+};
 
-          if (self.perMessageDeflate) {
-            var len = 'string' == typeof data ? global.Buffer.byteLength(data) : data.length;
-            if (len < self.perMessageDeflate.threshold) {
-              opts.compress = false;
-            }
-          }
-        }
+/**
+ * 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.
+ */
 
-        //Sometimes the websocket has already been closed but the browser didn't
-        //have a chance of informing us about it yet, in that case send will
-        //throw an error
-        try {
-          if (BrowserWebSocket) {
-            // TypeError is thrown when passing the second argument on Safari
-            self.ws.send(data);
-          } else {
-            self.ws.send(data, opts);
-          }
-        } catch (e){
-          debug('websocket closed before onclose event');
-        }
+if (global.document) {
+  Request.requestsCount = 0;
+  Request.requests = {};
+  if (global.attachEvent) {
+    global.attachEvent('onunload', unloadHandler);
+  } else if (global.addEventListener) {
+    global.addEventListener('beforeunload', unloadHandler, false);
+  }
+}
 
-        --total || done();
-      });
-    })(packets[i]);
+function unloadHandler() {
+  for (var i in Request.requests) {
+    if (Request.requests.hasOwnProperty(i)) {
+      Request.requests[i].abort();
+    }
   }
+}
 
-  function done(){
-    self.emit('flush');
+}).call(this,typeof global !== "undefined" ? global : typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {})
+},{"./polling":16,"component-emitter":5,"component-inherit":6,"debug":7,"xmlhttprequest-ssl":18}],16:[function(_dereq_,module,exports){
+/**
+ * Module dependencies.
+ */
 
-    // fake drain
-    // defer to next tick to allow Socket to clear writeBuffer
-    setTimeout(function(){
-      self.writable = true;
-      self.emit('drain');
-    }, 0);
-  }
-};
+var Transport = _dereq_('../transport');
+var parseqs = _dereq_('parseqs');
+var parser = _dereq_('engine.io-parser');
+var inherit = _dereq_('component-inherit');
+var yeast = _dereq_('yeast');
+var debug = _dereq_('debug')('engine.io-client:polling');
 
 /**
- * Called upon close
- *
- * @api private
+ * Module exports.
  */
 
-WS.prototype.onClose = function(){
-  Transport.prototype.onClose.call(this);
-};
+module.exports = Polling;
 
 /**
- * Closes socket.
- *
- * @api private
+ * Is XHR2 supported?
  */
 
-WS.prototype.doClose = function(){
-  if (typeof this.ws !== 'undefined') {
-    this.ws.close();
-  }
-};
+var hasXHR2 = (function() {
+  var XMLHttpRequest = _dereq_('xmlhttprequest-ssl');
+  var xhr = new XMLHttpRequest({ xdomain: false });
+  return null != xhr.responseType;
+})();
 
 /**
- * Generates uri for connection.
+ * Polling interface.
  *
+ * @param {Object} opts
  * @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] = yeast();
+function Polling(opts){
+  var forceBase64 = (opts && opts.forceBase64);
+  if (!hasXHR2 || forceBase64) {
+    this.supportsBinary = false;
   }
+  Transport.call(this, opts);
+}
 
-  // communicate binary support capabilities
-  if (!this.supportsBinary) {
-    query.b64 = 1;
-  }
+/**
+ * Inherits from Transport.
+ */
 
-  query = parseqs.encode(query);
+inherit(Polling, Transport);
 
-  // prepend ? to query
-  if (query.length) {
-    query = '?' + query;
-  }
+/**
+ * Transport name.
+ */
 
-  var ipv6 = this.hostname.indexOf(':') !== -1;
-  return schema + '://' + (ipv6 ? '[' + this.hostname + ']' : this.hostname) + port + this.path + query;
-};
+Polling.prototype.name = 'polling';
 
 /**
- * Feature detection for WebSocket.
+ * Opens the socket (triggers polling). We write a PING message to determine
+ * when the transport is open.
  *
- * @return {Boolean} whether this transport is available.
- * @api public
+ * @api private
  */
 
-WS.prototype.check = function(){
-  return !!WebSocket && !('__initialize' in WebSocket && this.name === WS.prototype.name);
+Polling.prototype.doOpen = function(){
+  this.poll();
 };
 
-}).call(this,typeof global !== "undefined" ? global : typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {})
-},{"../transport":5,"component-inherit":12,"debug":13,"engine.io-parser":16,"parseqs":28,"ws":32,"yeast":30}],11:[function(_dereq_,module,exports){
-// browser shim for xmlhttprequest module
-var hasCORS = _dereq_('has-cors');
+/**
+ * Pauses polling.
+ *
+ * @param {Function} callback upon buffers are flushed and transport is paused
+ * @api private
+ */
 
-module.exports = function(opts) {
-  var xdomain = opts.xdomain;
+Polling.prototype.pause = function(onPause){
+  var pending = 0;
+  var self = this;
 
-  // scheme must be same when usign XDomainRequest
-  // http://blogs.msdn.com/b/ieinternals/archive/2010/05/13/xdomainrequest-restrictions-limitations-and-workarounds.aspx
-  var xscheme = opts.xscheme;
+  this.readyState = 'pausing';
 
-  // XDomainRequest has a flow of not sending cookie, therefore it should be disabled as a default.
-  // https://github.com/Automattic/engine.io-client/pull/217
-  var enablesXDR = opts.enablesXDR;
+  function pause(){
+    debug('paused');
+    self.readyState = 'paused';
+    onPause();
+  }
 
-  // XMLHttpRequest can be disabled on IE
-  try {
-    if ('undefined' != typeof XMLHttpRequest && (!xdomain || hasCORS)) {
-      return new XMLHttpRequest();
-    }
-  } catch (e) { }
+  if (this.polling || !this.writable) {
+    var total = 0;
 
-  // Use XDomainRequest for IE8 if enablesXDR is true
-  // because loading bar keeps flashing when using jsonp-polling
-  // https://github.com/yujiosaka/socke.io-ie8-loading-example
-  try {
-    if ('undefined' != typeof XDomainRequest && !xscheme && enablesXDR) {
-      return new XDomainRequest();
+    if (this.polling) {
+      debug('we are currently polling - waiting to pause');
+      total++;
+      this.once('pollComplete', function(){
+        debug('pre-pause polling complete');
+        --total || pause();
+      });
     }
-  } catch (e) { }
 
-  if (!xdomain) {
-    try {
-      return new ActiveXObject('Microsoft.XMLHTTP');
-    } catch(e) { }
+    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();
   }
-}
-
-},{"has-cors":25}],12:[function(_dereq_,module,exports){
-
-module.exports = function(a, b){
-  var fn = function(){};
-  fn.prototype = b.prototype;
-  a.prototype = new fn;
-  a.prototype.constructor = a;
 };
-},{}],13:[function(_dereq_,module,exports){
 
 /**
- * This is the web browser implementation of `debug()`.
+ * Starts polling cycle.
  *
- * Expose `debug()` as the module.
+ * @api public
  */
 
-exports = module.exports = _dereq_('./debug');
-exports.log = log;
-exports.formatArgs = formatArgs;
-exports.save = save;
-exports.load = load;
-exports.useColors = useColors;
-exports.storage = 'undefined' != typeof chrome
-               && 'undefined' != typeof chrome.storage
-                  ? chrome.storage.local
-                  : localstorage();
+Polling.prototype.poll = function(){
+  debug('polling');
+  this.polling = true;
+  this.doPoll();
+  this.emit('poll');
+};
 
 /**
- * Colors.
+ * Overloads onData to detect payloads.
+ *
+ * @api private
  */
 
-exports.colors = [
-  'lightseagreen',
-  'forestgreen',
-  'goldenrod',
-  'dodgerblue',
-  'darkorchid',
-  'crimson'
-];
-
+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);
+    }
+  }
+};
+
 /**
- * Currently only WebKit-based Web Inspectors, Firefox >= v31,
- * and the Firebug extension (any Firefox version) are known
- * to support "%c" CSS customizations.
+ * For polling, send a close packet.
  *
- * TODO: add a `localStorage` variable to explicitly enable/disable colors
+ * @api private
  */
 
-function useColors() {
-  // is webkit? http://stackoverflow.com/a/16459606/376773
-  return ('WebkitAppearance' in document.documentElement.style) ||
-    // is firebug? http://stackoverflow.com/a/398120/376773
-    (window.console && (console.firebug || (console.exception && console.table))) ||
-    // is firefox >= v31?
-    // https://developer.mozilla.org/en-US/docs/Tools/Web_Console#Styling_messages
-    (navigator.userAgent.toLowerCase().match(/firefox\/(\d+)/) && parseInt(RegExp.$1, 10) >= 31);
-}
+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);
+  }
+};
 
 /**
- * Map %j to `JSON.stringify()`, since no Web Inspectors do that by default.
+ * Writes a packets payload.
+ *
+ * @param {Array} data packets
+ * @param {Function} drain callback
+ * @api private
  */
 
-exports.formatters.j = function(v) {
-  return JSON.stringify(v);
-};
+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);
+  });
+};
 
 /**
- * Colorize log arguments if enabled.
+ * Generates uri for connection.
  *
- * @api public
+ * @api private
  */
 
-function formatArgs() {
-  var args = arguments;
-  var useColors = this.useColors;
-
-  args[0] = (useColors ? '%c' : '')
-    + this.namespace
-    + (useColors ? ' %c' : ' ')
-    + args[0]
-    + (useColors ? '%c ' : ' ')
-    + '+' + exports.humanize(this.diff);
+Polling.prototype.uri = function(){
+  var query = this.query || {};
+  var schema = this.secure ? 'https' : 'http';
+  var port = '';
 
-  if (!useColors) return args;
+  // cache busting is forced
+  if (false !== this.timestampRequests) {
+    query[this.timestampParam] = yeast();
+  }
 
-  var c = 'color: ' + this.color;
-  args = [args[0], c, 'color: inherit'].concat(Array.prototype.slice.call(args, 1));
+  if (!this.supportsBinary && !query.sid) {
+    query.b64 = 1;
+  }
 
-  // the final "%c" is somewhat tricky, because there could be other
-  // arguments passed either before or after the %c, so we need to
-  // figure out the correct index to insert the CSS into
-  var index = 0;
-  var lastC = 0;
-  args[0].replace(/%[a-z%]/g, function(match) {
-    if ('%%' === match) return;
-    index++;
-    if ('%c' === match) {
-      // we only are interested in the *last* %c
-      // (the user may have provided their own)
-      lastC = index;
-    }
-  });
+  query = parseqs.encode(query);
 
-  args.splice(lastC, 0, c);
-  return args;
-}
+  // avoid port if default for schema
+  if (this.port && (('https' == schema && this.port != 443) ||
+     ('http' == schema && this.port != 80))) {
+    port = ':' + this.port;
+  }
 
-/**
- * Invokes `console.log()` when available.
- * No-op when `console.log` is not a "function".
- *
- * @api public
- */
+  // prepend ? to query
+  if (query.length) {
+    query = '?' + query;
+  }
 
-function log() {
-  // this hackery is required for IE8/9, where
-  // the `console.log` function doesn't have 'apply'
-  return 'object' === typeof console
-    && console.log
-    && Function.prototype.apply.call(console.log, console, arguments);
-}
+  var ipv6 = this.hostname.indexOf(':') !== -1;
+  return schema + '://' + (ipv6 ? '[' + this.hostname + ']' : this.hostname) + port + this.path + query;
+};
 
+},{"../transport":12,"component-inherit":6,"debug":7,"engine.io-parser":19,"parseqs":30,"xmlhttprequest-ssl":18,"yeast":33}],17:[function(_dereq_,module,exports){
+(function (global){
 /**
- * Save `namespaces`.
- *
- * @param {String} namespaces
- * @api private
+ * Module dependencies.
  */
 
-function save(namespaces) {
-  try {
-    if (null == namespaces) {
-      exports.storage.removeItem('debug');
-    } else {
-      exports.storage.debug = namespaces;
-    }
-  } catch(e) {}
-}
+var Transport = _dereq_('../transport');
+var parser = _dereq_('engine.io-parser');
+var parseqs = _dereq_('parseqs');
+var inherit = _dereq_('component-inherit');
+var yeast = _dereq_('yeast');
+var debug = _dereq_('debug')('engine.io-client:websocket');
+var BrowserWebSocket = global.WebSocket || global.MozWebSocket;
 
 /**
- * Load `namespaces`.
- *
- * @return {String} returns the previously persisted debug modes
- * @api private
+ * Get either the `WebSocket` or `MozWebSocket` globals
+ * in the browser or try to resolve WebSocket-compatible
+ * interface exposed by `ws` for Node-like environment.
  */
 
-function load() {
-  var r;
+var WebSocket = BrowserWebSocket;
+if (!WebSocket && typeof window === 'undefined') {
   try {
-    r = exports.storage.debug;
-  } catch(e) {}
-  return r;
+    WebSocket = _dereq_('ws');
+  } catch (e) { }
 }
 
 /**
- * Enable namespaces listed in `localStorage.debug` initially.
+ * Module exports.
  */
 
-exports.enable(load());
+module.exports = WS;
 
 /**
- * Localstorage attempts to return the localstorage.
- *
- * This is necessary because safari throws
- * when a user disables cookies/localstorage
- * and you attempt to access it.
+ * WebSocket transport constructor.
  *
- * @return {LocalStorage}
- * @api private
+ * @api {Object} connection options
+ * @api public
  */
 
-function localstorage(){
-  try {
-    return window.localStorage;
-  } catch (e) {}
+function WS(opts){
+  var forceBase64 = (opts && opts.forceBase64);
+  if (forceBase64) {
+    this.supportsBinary = false;
+  }
+  this.perMessageDeflate = opts.perMessageDeflate;
+  Transport.call(this, opts);
 }
 
-},{"./debug":14}],14:[function(_dereq_,module,exports){
-
 /**
- * This is the common logic for both the Node.js and web browser
- * implementations of `debug()`.
- *
- * Expose `debug()` as the module.
+ * Inherits from Transport.
  */
 
-exports = module.exports = debug;
-exports.coerce = coerce;
-exports.disable = disable;
-exports.enable = enable;
-exports.enabled = enabled;
-exports.humanize = _dereq_('ms');
+inherit(WS, Transport);
 
 /**
- * The currently active debug mode names, and names to skip.
+ * Transport name.
+ *
+ * @api public
  */
 
-exports.names = [];
-exports.skips = [];
+WS.prototype.name = 'websocket';
 
-/**
- * Map of special "%n" handling functions, for the debug "format" argument.
- *
- * Valid key names are a single, lowercased letter, i.e. "n".
+/*
+ * WebSockets support binary
  */
 
-exports.formatters = {};
+WS.prototype.supportsBinary = true;
 
 /**
- * Previously assigned color.
+ * Opens socket.
+ *
+ * @api private
  */
 
-var prevColor = 0;
+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,
+    perMessageDeflate: this.perMessageDeflate
+  };
+
+  // SSL options for Node.js client
+  opts.pfx = this.pfx;
+  opts.key = this.key;
+  opts.passphrase = this.passphrase;
+  opts.cert = this.cert;
+  opts.ca = this.ca;
+  opts.ciphers = this.ciphers;
+  opts.rejectUnauthorized = this.rejectUnauthorized;
+  if (this.extraHeaders) {
+    opts.headers = this.extraHeaders;
+  }
+
+  this.ws = BrowserWebSocket ? new WebSocket(uri) : new WebSocket(uri, protocols, opts);
+
+  if (this.ws.binaryType === undefined) {
+    this.supportsBinary = false;
+  }
+
+  if (this.ws.supports && this.ws.supports.binary) {
+    this.supportsBinary = true;
+    this.ws.binaryType = 'buffer';
+  } else {
+    this.ws.binaryType = 'arraybuffer';
+  }
+
+  this.addEventListeners();
+};
 
 /**
- * Previous log timestamp.
+ * Adds event listeners to the socket
+ *
+ * @api private
  */
 
-var prevTime;
+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);
+  };
+};
 
 /**
- * Select a color.
+ * Override `onData` to use a timer on iOS.
+ * See: https://gist.github.com/mloughran/2052006
  *
- * @return {Number}
  * @api private
  */
 
-function selectColor() {
-  return exports.colors[prevColor++ % exports.colors.length];
+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);
+  };
 }
 
 /**
- * Create a debugger with the given `namespace`.
+ * Writes data to socket.
  *
- * @param {String} namespace
- * @return {Function}
- * @api public
+ * @param {Array} array of packets.
+ * @api private
  */
 
-function debug(namespace) {
-
-  // define the `disabled` version
-  function disabled() {
-  }
-  disabled.enabled = false;
-
-  // define the `enabled` version
-  function enabled() {
-
-    var self = enabled;
-
-    // set `diff` timestamp
-    var curr = +new Date();
-    var ms = curr - (prevTime || curr);
-    self.diff = ms;
-    self.prev = prevTime;
-    self.curr = curr;
-    prevTime = curr;
-
-    // add the `color` if not set
-    if (null == self.useColors) self.useColors = exports.useColors();
-    if (null == self.color && self.useColors) self.color = selectColor();
-
-    var args = Array.prototype.slice.call(arguments);
-
-    args[0] = exports.coerce(args[0]);
+WS.prototype.write = function(packets){
+  var self = this;
+  this.writable = false;
 
-    if ('string' !== typeof args[0]) {
-      // anything else let's inspect with %o
-      args = ['%o'].concat(args);
-    }
+  // encodePacket efficient as it uses WS framing
+  // no need for encodePayload
+  var total = packets.length;
+  for (var i = 0, l = total; i < l; i++) {
+    (function(packet) {
+      parser.encodePacket(packet, self.supportsBinary, function(data) {
+        if (!BrowserWebSocket) {
+          // always create a new object (GH-437)
+          var opts = {};
+          if (packet.options) {
+            opts.compress = packet.options.compress;
+          }
 
-    // apply any `formatters` transformations
-    var index = 0;
-    args[0] = args[0].replace(/%([a-z%])/g, function(match, format) {
-      // if we encounter an escaped % then don't increase the array index
-      if (match === '%%') return match;
-      index++;
-      var formatter = exports.formatters[format];
-      if ('function' === typeof formatter) {
-        var val = args[index];
-        match = formatter.call(self, val);
+          if (self.perMessageDeflate) {
+            var len = 'string' == typeof data ? global.Buffer.byteLength(data) : data.length;
+            if (len < self.perMessageDeflate.threshold) {
+              opts.compress = false;
+            }
+          }
+        }
 
-        // now we need to remove `args[index]` since it's inlined in the `format`
-        args.splice(index, 1);
-        index--;
-      }
-      return match;
-    });
+        //Sometimes the websocket has already been closed but the browser didn't
+        //have a chance of informing us about it yet, in that case send will
+        //throw an error
+        try {
+          if (BrowserWebSocket) {
+            // TypeError is thrown when passing the second argument on Safari
+            self.ws.send(data);
+          } else {
+            self.ws.send(data, opts);
+          }
+        } catch (e){
+          debug('websocket closed before onclose event');
+        }
 
-    if ('function' === typeof exports.formatArgs) {
-      args = exports.formatArgs.apply(self, args);
-    }
-    var logFn = enabled.log || exports.log || console.log.bind(console);
-    logFn.apply(self, args);
+        --total || done();
+      });
+    })(packets[i]);
   }
-  enabled.enabled = true;
-
-  var fn = exports.enabled(namespace) ? enabled : disabled;
-
-  fn.namespace = namespace;
-
-  return fn;
-}
-
-/**
- * Enables a debug mode by namespaces. This can include modes
- * separated by a colon and wildcards.
- *
- * @param {String} namespaces
- * @api public
- */
-
-function enable(namespaces) {
-  exports.save(namespaces);
 
-  var split = (namespaces || '').split(/[\s,]+/);
-  var len = split.length;
+  function done(){
+    self.emit('flush');
 
-  for (var i = 0; i < len; i++) {
-    if (!split[i]) continue; // ignore empty strings
-    namespaces = split[i].replace(/\*/g, '.*?');
-    if (namespaces[0] === '-') {
-      exports.skips.push(new RegExp('^' + namespaces.substr(1) + '$'));
-    } else {
-      exports.names.push(new RegExp('^' + namespaces + '$'));
-    }
+    // fake drain
+    // defer to next tick to allow Socket to clear writeBuffer
+    setTimeout(function(){
+      self.writable = true;
+      self.emit('drain');
+    }, 0);
   }
-}
+};
 
 /**
- * Disable debug output.
+ * Called upon close
  *
- * @api public
+ * @api private
  */
 
-function disable() {
-  exports.enable('');
-}
+WS.prototype.onClose = function(){
+  Transport.prototype.onClose.call(this);
+};
 
 /**
- * Returns true if the given mode name is enabled, false otherwise.
+ * Closes socket.
  *
- * @param {String} name
- * @return {Boolean}
- * @api public
+ * @api private
  */
 
-function enabled(name) {
-  var i, len;
-  for (i = 0, len = exports.skips.length; i < len; i++) {
-    if (exports.skips[i].test(name)) {
-      return false;
-    }
-  }
-  for (i = 0, len = exports.names.length; i < len; i++) {
-    if (exports.names[i].test(name)) {
-      return true;
-    }
+WS.prototype.doClose = function(){
+  if (typeof this.ws !== 'undefined') {
+    this.ws.close();
   }
-  return false;
-}
+};
 
 /**
- * Coerce `val`.
+ * Generates uri for connection.
  *
- * @param {Mixed} val
- * @return {Mixed}
  * @api private
  */
 
-function coerce(val) {
-  if (val instanceof Error) return val.stack || val.message;
-  return val;
-}
-
-},{"ms":15}],15:[function(_dereq_,module,exports){
-/**
- * Helpers.
- */
+WS.prototype.uri = function(){
+  var query = this.query || {};
+  var schema = this.secure ? 'wss' : 'ws';
+  var port = '';
 
-var s = 1000;
-var m = s * 60;
-var h = m * 60;
-var d = h * 24;
-var y = d * 365.25;
+  // avoid port if default for schema
+  if (this.port && (('wss' == schema && this.port != 443)
+    || ('ws' == schema && this.port != 80))) {
+    port = ':' + this.port;
+  }
 
-/**
- * Parse or format the given `val`.
- *
- * Options:
- *
- *  - `long` verbose formatting [false]
- *
- * @param {String|Number} val
- * @param {Object} options
- * @return {String|Number}
- * @api public
- */
+  // append timestamp to URI
+  if (this.timestampRequests) {
+    query[this.timestampParam] = yeast();
+  }
 
-module.exports = function(val, options){
-  options = options || {};
-  if ('string' == typeof val) return parse(val);
-  return options.long
-    ? long(val)
-    : short(val);
-};
+  // communicate binary support capabilities
+  if (!this.supportsBinary) {
+    query.b64 = 1;
+  }
 
-/**
- * Parse the given `str` and return milliseconds.
- *
- * @param {String} str
- * @return {Number}
- * @api private
- */
+  query = parseqs.encode(query);
 
-function parse(str) {
-  str = '' + str;
-  if (str.length > 10000) return;
-  var match = /^((?:\d+)?\.?\d+) *(milliseconds?|msecs?|ms|seconds?|secs?|s|minutes?|mins?|m|hours?|hrs?|h|days?|d|years?|yrs?|y)?$/i.exec(str);
-  if (!match) return;
-  var n = parseFloat(match[1]);
-  var type = (match[2] || 'ms').toLowerCase();
-  switch (type) {
-    case 'years':
-    case 'year':
-    case 'yrs':
-    case 'yr':
-    case 'y':
-      return n * y;
-    case 'days':
-    case 'day':
-    case 'd':
-      return n * d;
-    case 'hours':
-    case 'hour':
-    case 'hrs':
-    case 'hr':
-    case 'h':
-      return n * h;
-    case 'minutes':
-    case 'minute':
-    case 'mins':
-    case 'min':
-    case 'm':
-      return n * m;
-    case 'seconds':
-    case 'second':
-    case 'secs':
-    case 'sec':
-    case 's':
-      return n * s;
-    case 'milliseconds':
-    case 'millisecond':
-    case 'msecs':
-    case 'msec':
-    case 'ms':
-      return n;
+  // prepend ? to query
+  if (query.length) {
+    query = '?' + query;
   }
-}
+
+  var ipv6 = this.hostname.indexOf(':') !== -1;
+  return schema + '://' + (ipv6 ? '[' + this.hostname + ']' : this.hostname) + port + this.path + query;
+};
 
 /**
- * Short format for `ms`.
+ * Feature detection for WebSocket.
  *
- * @param {Number} ms
- * @return {String}
- * @api private
+ * @return {Boolean} whether this transport is available.
+ * @api public
  */
 
-function short(ms) {
-  if (ms >= d) return Math.round(ms / d) + 'd';
-  if (ms >= h) return Math.round(ms / h) + 'h';
-  if (ms >= m) return Math.round(ms / m) + 'm';
-  if (ms >= s) return Math.round(ms / s) + 's';
-  return ms + 'ms';
-}
+WS.prototype.check = function(){
+  return !!WebSocket && !('__initialize' in WebSocket && this.name === WS.prototype.name);
+};
 
-/**
- * Long format for `ms`.
- *
- * @param {Number} ms
- * @return {String}
- * @api private
- */
+}).call(this,typeof global !== "undefined" ? global : typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {})
+},{"../transport":12,"component-inherit":6,"debug":7,"engine.io-parser":19,"parseqs":30,"ws":22,"yeast":33}],18:[function(_dereq_,module,exports){
+// browser shim for xmlhttprequest module
+var hasCORS = _dereq_('has-cors');
 
-function long(ms) {
-  return plural(ms, d, 'day')
-    || plural(ms, h, 'hour')
-    || plural(ms, m, 'minute')
-    || plural(ms, s, 'second')
-    || ms + ' ms';
-}
+module.exports = function(opts) {
+  var xdomain = opts.xdomain;
 
-/**
- * Pluralization helper.
- */
+  // scheme must be same when usign XDomainRequest
+  // http://blogs.msdn.com/b/ieinternals/archive/2010/05/13/xdomainrequest-restrictions-limitations-and-workarounds.aspx
+  var xscheme = opts.xscheme;
 
-function plural(ms, n, name) {
-  if (ms < n) return;
-  if (ms < n * 1.5) return Math.floor(ms / n) + ' ' + name;
-  return Math.ceil(ms / n) + ' ' + name + 's';
+  // XDomainRequest has a flow of not sending cookie, therefore it should be disabled as a default.
+  // https://github.com/Automattic/engine.io-client/pull/217
+  var enablesXDR = opts.enablesXDR;
+
+  // XMLHttpRequest can be disabled on IE
+  try {
+    if ('undefined' != typeof XMLHttpRequest && (!xdomain || hasCORS)) {
+      return new XMLHttpRequest();
+    }
+  } catch (e) { }
+
+  // Use XDomainRequest for IE8 if enablesXDR is true
+  // because loading bar keeps flashing when using jsonp-polling
+  // https://github.com/yujiosaka/socke.io-ie8-loading-example
+  try {
+    if ('undefined' != typeof XDomainRequest && !xscheme && enablesXDR) {
+      return new XDomainRequest();
+    }
+  } catch (e) { }
+
+  if (!xdomain) {
+    try {
+      return new ActiveXObject('Microsoft.XMLHTTP');
+    } catch(e) { }
+  }
 }
 
-},{}],16:[function(_dereq_,module,exports){
+},{"has-cors":25}],19:[function(_dereq_,module,exports){
 (function (global){
 /**
  * Module dependencies.
@@ -3465,7 +3560,7 @@ exports.decodePayloadAsBinary = function (data, binaryType, callback) {
 };
 
 }).call(this,typeof global !== "undefined" ? global : typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {})
-},{"./keys":17,"after":18,"arraybuffer.slice":19,"base64-arraybuffer":20,"blob":21,"has-binary":22,"utf8":24}],17:[function(_dereq_,module,exports){
+},{"./keys":20,"after":1,"arraybuffer.slice":2,"base64-arraybuffer":3,"blob":4,"has-binary":24,"utf8":32}],20:[function(_dereq_,module,exports){
 
 /**
  * Gets the keys for an object.
@@ -3486,296 +3581,471 @@ module.exports = Object.keys || function keys (obj){
   return arr;
 };
 
-},{}],18:[function(_dereq_,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() {}
+},{}],21:[function(_dereq_,module,exports){
 
-},{}],19:[function(_dereq_,module,exports){
-/**
- * An abstraction for slicing an arraybuffer even when
- * ArrayBuffer.prototype.slice is not supported
- *
- * @api public
- */
+},{}],22:[function(_dereq_,module,exports){
+arguments[4][21][0].apply(exports,arguments)
+},{"dup":21}],23:[function(_dereq_,module,exports){
+// shim for using process in browser
 
-module.exports = function(arraybuffer, start, end) {
-  var bytes = arraybuffer.byteLength;
-  start = start || 0;
-  end = end || bytes;
+var process = module.exports = {};
 
-  if (arraybuffer.slice) { return arraybuffer.slice(start, end); }
+// cached from whatever global is present so that test runners that stub it
+// don't break things.  But we need to wrap it in a try catch in case it is
+// wrapped in strict mode code which doesn't define any globals.  It's inside a
+// function because try/catches deoptimize in certain engines.
 
-  if (start < 0) { start += bytes; }
-  if (end < 0) { end += bytes; }
-  if (end > bytes) { end = bytes; }
+var cachedSetTimeout;
+var cachedClearTimeout;
 
-  if (start >= bytes || start >= end || bytes === 0) {
-    return new ArrayBuffer(0);
+(function () {
+  try {
+    cachedSetTimeout = setTimeout;
+  } catch (e) {
+    cachedSetTimeout = function () {
+      throw new Error('setTimeout is not defined');
+    }
   }
-
-  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];
+  try {
+    cachedClearTimeout = clearTimeout;
+  } catch (e) {
+    cachedClearTimeout = function () {
+      throw new Error('clearTimeout is not defined');
+    }
   }
-  return result.buffer;
-};
+} ())
+var queue = [];
+var draining = false;
+var currentQueue;
+var queueIndex = -1;
 
-},{}],20:[function(_dereq_,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";
+function cleanUpNextTick() {
+    if (!draining || !currentQueue) {
+        return;
+    }
+    draining = false;
+    if (currentQueue.length) {
+        queue = currentQueue.concat(queue);
+    } else {
+        queueIndex = -1;
+    }
+    if (queue.length) {
+        drainQueue();
+    }
+}
 
-  exports.encode = function(arraybuffer) {
-    var bytes = new Uint8Array(arraybuffer),
-    i, len = bytes.length, base64 = "";
+function drainQueue() {
+    if (draining) {
+        return;
+    }
+    var timeout = cachedSetTimeout(cleanUpNextTick);
+    draining = true;
 
-    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];
+    var len = queue.length;
+    while(len) {
+        currentQueue = queue;
+        queue = [];
+        while (++queueIndex < len) {
+            if (currentQueue) {
+                currentQueue[queueIndex].run();
+            }
+        }
+        queueIndex = -1;
+        len = queue.length;
     }
+    currentQueue = null;
+    draining = false;
+    cachedClearTimeout(timeout);
+}
 
-    if ((len % 3) === 2) {
-      base64 = base64.substring(0, base64.length - 1) + "=";
-    } else if (len % 3 === 1) {
-      base64 = base64.substring(0, base64.length - 2) + "==";
+process.nextTick = function (fun) {
+    var args = new Array(arguments.length - 1);
+    if (arguments.length > 1) {
+        for (var i = 1; i < arguments.length; i++) {
+            args[i - 1] = arguments[i];
+        }
+    }
+    queue.push(new Item(fun, args));
+    if (queue.length === 1 && !draining) {
+        cachedSetTimeout(drainQueue, 0);
     }
+};
 
-    return base64;
-  };
+// v8 likes predictible objects
+function Item(fun, array) {
+    this.fun = fun;
+    this.array = array;
+}
+Item.prototype.run = function () {
+    this.fun.apply(null, this.array);
+};
+process.title = 'browser';
+process.browser = true;
+process.env = {};
+process.argv = [];
+process.version = ''; // empty string to avoid regexp issues
+process.versions = {};
 
-  exports.decode =  function(base64) {
-    var bufferLength = base64.length * 0.75,
-    len = base64.length, i, p = 0,
-    encoded1, encoded2, encoded3, encoded4;
+function noop() {}
 
-    if (base64[base64.length - 1] === "=") {
-      bufferLength--;
-      if (base64[base64.length - 2] === "=") {
-        bufferLength--;
-      }
-    }
+process.on = noop;
+process.addListener = noop;
+process.once = noop;
+process.off = noop;
+process.removeListener = noop;
+process.removeAllListeners = noop;
+process.emit = noop;
 
-    var arraybuffer = new ArrayBuffer(bufferLength),
-    bytes = new Uint8Array(arraybuffer);
+process.binding = function (name) {
+    throw new Error('process.binding is not supported');
+};
 
-    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]);
+process.cwd = function () { return '/' };
+process.chdir = function (dir) {
+    throw new Error('process.chdir is not supported');
+};
+process.umask = function() { return 0; };
 
-      bytes[p++] = (encoded1 << 2) | (encoded2 >> 4);
-      bytes[p++] = ((encoded2 & 15) << 4) | (encoded3 >> 2);
-      bytes[p++] = ((encoded3 & 3) << 6) | (encoded4 & 63);
-    }
+},{}],24:[function(_dereq_,module,exports){
+(function (global){
 
-    return arraybuffer;
-  };
-})("ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/");
+/*
+ * Module requirements.
+ */
+
+var isArray = _dereq_('isarray');
 
-},{}],21:[function(_dereq_,module,exports){
-(function (global){
 /**
- * Create a blob builder even when vendor prefixes exist
+ * Module exports.
  */
 
-var BlobBuilder = global.BlobBuilder
-  || global.WebKitBlobBuilder
-  || global.MSBlobBuilder
-  || global.MozBlobBuilder;
+module.exports = hasBinary;
 
 /**
- * Check if Blob constructor is supported
+ * Checks for binary data.
+ *
+ * Right now only Buffer and ArrayBuffer are supported..
+ *
+ * @param {Object} anything
+ * @api public
  */
 
-var blobSupported = (function() {
-  try {
-    var a = new Blob(['hi']);
-    return a.size === 2;
-  } catch(e) {
+function hasBinary(data) {
+
+  function _hasBinary(obj) {
+    if (!obj) return false;
+
+    if ( (global.Buffer && global.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 (_hasBinary(obj[i])) {
+              return true;
+          }
+      }
+    } else if (obj && 'object' == typeof obj) {
+      if (obj.toJSON) {
+        obj = obj.toJSON();
+      }
+
+      for (var key in obj) {
+        if (Object.prototype.hasOwnProperty.call(obj, key) && _hasBinary(obj[key])) {
+          return true;
+        }
+      }
+    }
+
     return false;
   }
-})();
+
+  return _hasBinary(data);
+}
+
+}).call(this,typeof global !== "undefined" ? global : typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {})
+},{"isarray":27}],25:[function(_dereq_,module,exports){
 
 /**
- * Check if Blob constructor supports ArrayBufferViews
- * Fails in Safari 6, so we need to map to ArrayBuffers there.
+ * Module exports.
+ *
+ * Logic borrowed from Modernizr:
+ *
+ *   - https://github.com/Modernizr/Modernizr/blob/master/feature-detects/cors.js
  */
 
-var blobSupportsArrayBufferView = blobSupported && (function() {
-  try {
-    var b = new Blob([new Uint8Array([1,2])]);
-    return b.size === 2;
-  } catch(e) {
-    return false;
+try {
+  module.exports = typeof XMLHttpRequest !== 'undefined' &&
+    'withCredentials' in new XMLHttpRequest();
+} catch (err) {
+  // if XMLHttp support is disabled in IE then it will throw
+  // when trying to create
+  module.exports = false;
+}
+
+},{}],26:[function(_dereq_,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;
+};
+},{}],27:[function(_dereq_,module,exports){
+module.exports = Array.isArray || function (arr) {
+  return Object.prototype.toString.call(arr) == '[object Array]';
+};
 
+},{}],28:[function(_dereq_,module,exports){
 /**
- * Check if BlobBuilder is supported
+ * Helpers.
  */
 
-var blobBuilderSupported = BlobBuilder
-  && BlobBuilder.prototype.append
-  && BlobBuilder.prototype.getBlob;
+var s = 1000;
+var m = s * 60;
+var h = m * 60;
+var d = h * 24;
+var y = d * 365.25;
 
 /**
- * Helper function that maps ArrayBufferViews to ArrayBuffers
- * Used by BlobBuilder constructor and old browsers that didn't
- * support it in the Blob constructor.
+ * Parse or format the given `val`.
+ *
+ * Options:
+ *
+ *  - `long` verbose formatting [false]
+ *
+ * @param {String|Number} val
+ * @param {Object} options
+ * @return {String|Number}
+ * @api public
  */
 
-function mapArrayBufferViews(ary) {
-  for (var i = 0; i < ary.length; i++) {
-    var chunk = ary[i];
-    if (chunk.buffer instanceof ArrayBuffer) {
-      var buf = chunk.buffer;
+module.exports = function(val, options){
+  options = options || {};
+  if ('string' == typeof val) return parse(val);
+  return options.long
+    ? long(val)
+    : short(val);
+};
 
-      // if this is a subarray, make a copy so we only
-      // include the subarray region from the underlying buffer
-      if (chunk.byteLength !== buf.byteLength) {
-        var copy = new Uint8Array(chunk.byteLength);
-        copy.set(new Uint8Array(buf, chunk.byteOffset, chunk.byteLength));
-        buf = copy.buffer;
-      }
+/**
+ * Parse the given `str` and return milliseconds.
+ *
+ * @param {String} str
+ * @return {Number}
+ * @api private
+ */
 
-      ary[i] = buf;
-    }
+function parse(str) {
+  str = '' + str;
+  if (str.length > 10000) return;
+  var match = /^((?:\d+)?\.?\d+) *(milliseconds?|msecs?|ms|seconds?|secs?|s|minutes?|mins?|m|hours?|hrs?|h|days?|d|years?|yrs?|y)?$/i.exec(str);
+  if (!match) return;
+  var n = parseFloat(match[1]);
+  var type = (match[2] || 'ms').toLowerCase();
+  switch (type) {
+    case 'years':
+    case 'year':
+    case 'yrs':
+    case 'yr':
+    case 'y':
+      return n * y;
+    case 'days':
+    case 'day':
+    case 'd':
+      return n * d;
+    case 'hours':
+    case 'hour':
+    case 'hrs':
+    case 'hr':
+    case 'h':
+      return n * h;
+    case 'minutes':
+    case 'minute':
+    case 'mins':
+    case 'min':
+    case 'm':
+      return n * m;
+    case 'seconds':
+    case 'second':
+    case 'secs':
+    case 'sec':
+    case 's':
+      return n * s;
+    case 'milliseconds':
+    case 'millisecond':
+    case 'msecs':
+    case 'msec':
+    case 'ms':
+      return n;
   }
 }
 
-function BlobBuilderConstructor(ary, options) {
-  options = options || {};
+/**
+ * Short format for `ms`.
+ *
+ * @param {Number} ms
+ * @return {String}
+ * @api private
+ */
 
-  var bb = new BlobBuilder();
-  mapArrayBufferViews(ary);
+function short(ms) {
+  if (ms >= d) return Math.round(ms / d) + 'd';
+  if (ms >= h) return Math.round(ms / h) + 'h';
+  if (ms >= m) return Math.round(ms / m) + 'm';
+  if (ms >= s) return Math.round(ms / s) + 's';
+  return ms + 'ms';
+}
 
-  for (var i = 0; i < ary.length; i++) {
-    bb.append(ary[i]);
-  }
+/**
+ * Long format for `ms`.
+ *
+ * @param {Number} ms
+ * @return {String}
+ * @api private
+ */
 
-  return (options.type) ? bb.getBlob(options.type) : bb.getBlob();
-};
+function long(ms) {
+  return plural(ms, d, 'day')
+    || plural(ms, h, 'hour')
+    || plural(ms, m, 'minute')
+    || plural(ms, s, 'second')
+    || ms + ' ms';
+}
 
-function BlobConstructor(ary, options) {
-  mapArrayBufferViews(ary);
-  return new Blob(ary, options || {});
-};
+/**
+ * Pluralization helper.
+ */
 
-module.exports = (function() {
-  if (blobSupported) {
-    return blobSupportsArrayBufferView ? global.Blob : BlobConstructor;
-  } else if (blobBuilderSupported) {
-    return BlobBuilderConstructor;
-  } else {
-    return undefined;
-  }
-})();
+function plural(ms, n, name) {
+  if (ms < n) return;
+  if (ms < n * 1.5) return Math.floor(ms / n) + ' ' + name;
+  return Math.ceil(ms / n) + ' ' + name + 's';
+}
 
-}).call(this,typeof global !== "undefined" ? global : typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {})
-},{}],22:[function(_dereq_,module,exports){
+},{}],29:[function(_dereq_,module,exports){
 (function (global){
+/**
+ * JSON parse.
+ *
+ * @see Based on jQuery#parseJSON (MIT) and JSON2
+ * @api private
+ */
 
-/*
- * Module requirements.
+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))();
+  }
+};
+}).call(this,typeof global !== "undefined" ? global : typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {})
+},{}],30:[function(_dereq_,module,exports){
+/**
+ * Compiles a querystring
+ * Returns string representation of the object
+ *
+ * @param {Object}
+ * @api private
  */
 
-var isArray = _dereq_('isarray');
+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;
+};
 
 /**
- * Module exports.
+ * Parses a simple querystring into an object
+ *
+ * @param {String} qs
+ * @api private
  */
 
-module.exports = hasBinary;
+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(_dereq_,module,exports){
 /**
- * Checks for binary data.
- *
- * Right now only Buffer and ArrayBuffer are supported..
+ * Parses an URI
  *
- * @param {Object} anything
- * @api public
+ * @author Steven Levithan <stevenlevithan.com> (MIT license)
+ * @api private
  */
 
-function hasBinary(data) {
+var re = /^(?:(?![^:@]+:[^:@\/]*@)(http|https|ws|wss):\/\/)?((?:(([^:@]*)(?::([^:@]*))?)?@)?((?:[a-f0-9]{0,4}:){2,7}[a-f0-9]{0,4}|[^:\/?#]*)(?::(\d*))?)(((\/(?:[^?#](?![^?#\/]*\.[^?#\/.]+(?:[?#]|$)))*\/?)?([^?#\/]*))(?:\?([^#]*))?(?:#(.*))?)/;
 
-  function _hasBinary(obj) {
-    if (!obj) return false;
+var parts = [
+    'source', 'protocol', 'authority', 'userInfo', 'user', 'password', 'host', 'port', 'relative', 'path', 'directory', 'file', 'query', 'anchor'
+];
 
-    if ( (global.Buffer && global.Buffer.isBuffer(obj)) ||
-         (global.ArrayBuffer && obj instanceof ArrayBuffer) ||
-         (global.Blob && obj instanceof Blob) ||
-         (global.File && obj instanceof File)
-        ) {
-      return true;
+module.exports = function parseuri(str) {
+    var src = str,
+        b = str.indexOf('['),
+        e = str.indexOf(']');
+
+    if (b != -1 && e != -1) {
+        str = str.substring(0, b) + str.substring(b, e).replace(/:/g, ';') + str.substring(e, str.length);
     }
 
-    if (isArray(obj)) {
-      for (var i = 0; i < obj.length; i++) {
-          if (_hasBinary(obj[i])) {
-              return true;
-          }
-      }
-    } else if (obj && 'object' == typeof obj) {
-      if (obj.toJSON) {
-        obj = obj.toJSON();
-      }
+    var m = re.exec(str || ''),
+        uri = {},
+        i = 14;
 
-      for (var key in obj) {
-        if (Object.prototype.hasOwnProperty.call(obj, key) && _hasBinary(obj[key])) {
-          return true;
-        }
-      }
+    while (i--) {
+        uri[parts[i]] = m[i] || '';
     }
 
-    return false;
-  }
-
-  return _hasBinary(data);
-}
+    if (b != -1 && e != -1) {
+        uri.source = src;
+        uri.host = uri.host.substring(1, uri.host.length - 1).replace(/;/g, ':');
+        uri.authority = uri.authority.replace('[', '').replace(']', '').replace(/;/g, ':');
+        uri.ipv6uri = true;
+    }
 
-}).call(this,typeof global !== "undefined" ? global : typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {})
-},{"isarray":23}],23:[function(_dereq_,module,exports){
-module.exports = Array.isArray || function (arr) {
-  return Object.prototype.toString.call(arr) == '[object Array]';
+    return uri;
 };
 
-},{}],24:[function(_dereq_,module,exports){
+},{}],32:[function(_dereq_,module,exports){
 (function (global){
 /*! https://mths.be/utf8js v2.0.0 by @mathias */
 ;(function(root) {
@@ -3994,181 +4264,36 @@ module.exports = Array.isArray || function (arr) {
 		'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));
-
-}).call(this,typeof global !== "undefined" ? global : typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {})
-},{}],25:[function(_dereq_,module,exports){
-
-/**
- * Module exports.
- *
- * Logic borrowed from Modernizr:
- *
- *   - https://github.com/Modernizr/Modernizr/blob/master/feature-detects/cors.js
- */
-
-try {
-  module.exports = typeof XMLHttpRequest !== 'undefined' &&
-    'withCredentials' in new XMLHttpRequest();
-} catch (err) {
-  // if XMLHttp support is disabled in IE then it will throw
-  // when trying to create
-  module.exports = false;
-}
-
-},{}],26:[function(_dereq_,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;
-};
-},{}],27:[function(_dereq_,module,exports){
-(function (global){
-/**
- * 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+$/;
-
-module.exports = function parsejson(data) {
-  if ('string' != typeof data || !data) {
-    return null;
-  }
-
-  data = data.replace(rtrimLeft, '').replace(rtrimRight, '');
-
-  // Attempt to parse using the native JSON parser first
-  if (global.JSON && JSON.parse) {
-    return JSON.parse(data);
-  }
-
-  if (rvalidchars.test(data.replace(rvalidescape, '@')
-      .replace(rvalidtokens, ']')
-      .replace(rvalidbraces, ''))) {
-    return (new Function('return ' + data))();
-  }
-};
-}).call(this,typeof global !== "undefined" ? global : typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {})
-},{}],28:[function(_dereq_,module,exports){
-/**
- * Compiles a querystring
- * Returns string representation of the object
- *
- * @param {Object}
- * @api private
- */
-
-exports.encode = function (obj) {
-  var str = '';
-
-  for (var i in obj) {
-    if (obj.hasOwnProperty(i)) {
-      if (str.length) str += '&';
-      str += encodeURIComponent(i) + '=' + encodeURIComponent(obj[i]);
-    }
-  }
-
-  return str;
-};
-
-/**
- * Parses a simple querystring into an object
- *
- * @param {String} qs
- * @api private
- */
-
-exports.decode = function(qs){
-  var qry = {};
-  var pairs = qs.split('&');
-  for (var i = 0, l = pairs.length; i < l; i++) {
-    var pair = pairs[i].split('=');
-    qry[decodeURIComponent(pair[0])] = decodeURIComponent(pair[1]);
-  }
-  return qry;
-};
-
-},{}],29:[function(_dereq_,module,exports){
-/**
- * Parses an URI
- *
- * @author Steven Levithan <stevenlevithan.com> (MIT license)
- * @api private
- */
-
-var re = /^(?:(?![^:@]+:[^:@\/]*@)(http|https|ws|wss):\/\/)?((?:(([^:@]*)(?::([^:@]*))?)?@)?((?:[a-f0-9]{0,4}:){2,7}[a-f0-9]{0,4}|[^:\/?#]*)(?::(\d*))?)(((\/(?:[^?#](?![^?#\/]*\.[^?#\/.]+(?:[?#]|$)))*\/?)?([^?#\/]*))(?:\?([^#]*))?(?:#(.*))?)/;
-
-var parts = [
-    'source', 'protocol', 'authority', 'userInfo', 'user', 'password', 'host', 'port', 'relative', 'path', 'directory', 'file', 'query', 'anchor'
-];
-
-module.exports = function parseuri(str) {
-    var src = str,
-        b = str.indexOf('['),
-        e = str.indexOf(']');
-
-    if (b != -1 && e != -1) {
-        str = str.substring(0, b) + str.substring(b, e).replace(/:/g, ';') + str.substring(e, str.length);
-    }
-
-    var m = re.exec(str || ''),
-        uri = {},
-        i = 14;
-
-    while (i--) {
-        uri[parts[i]] = m[i] || '';
-    }
-
-    if (b != -1 && e != -1) {
-        uri.source = src;
-        uri.host = uri.host.substring(1, uri.host.length - 1).replace(/;/g, ':');
-        uri.authority = uri.authority.replace('[', '').replace(']', '').replace(/;/g, ':');
-        uri.ipv6uri = true;
-    }
+	};
 
-    return uri;
-};
+	// 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;
+	}
 
-},{}],30:[function(_dereq_,module,exports){
+}(this));
+
+}).call(this,typeof global !== "undefined" ? global : typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {})
+},{}],33:[function(_dereq_,module,exports){
 'use strict';
 
 var alphabet = '0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz-_'.split('')
@@ -4238,131 +4363,6 @@ yeast.encode = encode;
 yeast.decode = decode;
 module.exports = yeast;
 
-},{}],31:[function(_dereq_,module,exports){
-
-},{}],32:[function(_dereq_,module,exports){
-arguments[4][31][0].apply(exports,arguments)
-},{"dup":31}],33:[function(_dereq_,module,exports){
-// shim for using process in browser
-
-var process = module.exports = {};
-
-// cached from whatever global is present so that test runners that stub it
-// don't break things.  But we need to wrap it in a try catch in case it is
-// wrapped in strict mode code which doesn't define any globals.  It's inside a
-// function because try/catches deoptimize in certain engines.
-
-var cachedSetTimeout;
-var cachedClearTimeout;
-
-(function () {
-  try {
-    cachedSetTimeout = setTimeout;
-  } catch (e) {
-    cachedSetTimeout = function () {
-      throw new Error('setTimeout is not defined');
-    }
-  }
-  try {
-    cachedClearTimeout = clearTimeout;
-  } catch (e) {
-    cachedClearTimeout = function () {
-      throw new Error('clearTimeout is not defined');
-    }
-  }
-} ())
-var queue = [];
-var draining = false;
-var currentQueue;
-var queueIndex = -1;
-
-function cleanUpNextTick() {
-    if (!draining || !currentQueue) {
-        return;
-    }
-    draining = false;
-    if (currentQueue.length) {
-        queue = currentQueue.concat(queue);
-    } else {
-        queueIndex = -1;
-    }
-    if (queue.length) {
-        drainQueue();
-    }
-}
-
-function drainQueue() {
-    if (draining) {
-        return;
-    }
-    var timeout = cachedSetTimeout(cleanUpNextTick);
-    draining = true;
-
-    var len = queue.length;
-    while(len) {
-        currentQueue = queue;
-        queue = [];
-        while (++queueIndex < len) {
-            if (currentQueue) {
-                currentQueue[queueIndex].run();
-            }
-        }
-        queueIndex = -1;
-        len = queue.length;
-    }
-    currentQueue = null;
-    draining = false;
-    cachedClearTimeout(timeout);
-}
-
-process.nextTick = function (fun) {
-    var args = new Array(arguments.length - 1);
-    if (arguments.length > 1) {
-        for (var i = 1; i < arguments.length; i++) {
-            args[i - 1] = arguments[i];
-        }
-    }
-    queue.push(new Item(fun, args));
-    if (queue.length === 1 && !draining) {
-        cachedSetTimeout(drainQueue, 0);
-    }
-};
-
-// v8 likes predictible objects
-function Item(fun, array) {
-    this.fun = fun;
-    this.array = array;
-}
-Item.prototype.run = function () {
-    this.fun.apply(null, this.array);
-};
-process.title = 'browser';
-process.browser = true;
-process.env = {};
-process.argv = [];
-process.version = ''; // empty string to avoid regexp issues
-process.versions = {};
-
-function noop() {}
-
-process.on = noop;
-process.addListener = noop;
-process.once = noop;
-process.off = noop;
-process.removeListener = noop;
-process.removeAllListeners = noop;
-process.emit = noop;
-
-process.binding = function (name) {
-    throw new Error('process.binding is not supported');
-};
-
-process.cwd = function () { return '/' };
-process.chdir = function (dir) {
-    throw new Error('process.chdir is not supported');
-};
-process.umask = function() { return 0; };
-
 },{}],34:[function(_dereq_,module,exports){
 var C = _dereq_( './constants/constants' ),
 	MS = _dereq_( './constants/merge-strategies' ),
@@ -4617,7 +4617,7 @@ createDeepstream.MERGE_STRATEGIES = MS;
 
 module.exports = createDeepstream;
 
-},{"./constants/constants":35,"./constants/merge-strategies":36,"./default-options":37,"./event/event-handler":38,"./message/connection":39,"./record/record-handler":45,"./rpc/rpc-handler":47,"./webrtc/webrtc-handler":57,"component-emitter":1}],35:[function(_dereq_,module,exports){
+},{"./constants/constants":35,"./constants/merge-strategies":36,"./default-options":37,"./event/event-handler":38,"./message/connection":39,"./record/record-handler":45,"./rpc/rpc-handler":47,"./webrtc/webrtc-handler":57,"component-emitter":5}],35:[function(_dereq_,module,exports){
 exports.CONNECTION_STATE = {};
 
 exports.CONNECTION_STATE.CLOSED = 'CLOSED';
@@ -4975,19 +4975,26 @@ var EventHandler = function( options, connection, client ) {
  * Subscribe to an event. This will receive both locally emitted events
  * as well as events emitted by other connected clients.
  *
- * @param   {String}   eventName
+ * @param   {String}   name
  * @param   {Function} callback
  *
  * @public
  * @returns {void}
  */
-EventHandler.prototype.subscribe = function( eventName, callback ) {
-	if( !this._emitter.hasListeners( eventName ) ) {
-		this._ackTimeoutRegistry.add( eventName, C.ACTIONS.SUBSCRIBE );
-		this._connection.sendMsg( C.TOPIC.EVENT, C.ACTIONS.SUBSCRIBE, [ eventName ] );
+EventHandler.prototype.subscribe = function( name, callback ) {
+	if ( typeof name !== 'string' || name.length === 0 ) {
+		throw new Error( 'invalid argument name' );
+	}
+	if ( typeof callback !== 'function' ) {
+		throw new Error( 'invalid argument callback' );
+	}
+
+	if( !this._emitter.hasListeners( name ) ) {
+		this._ackTimeoutRegistry.add( name, C.ACTIONS.SUBSCRIBE );
+		this._connection.sendMsg( C.TOPIC.EVENT, C.ACTIONS.SUBSCRIBE, [ name ] );
 	}
 
-	this._emitter.on( eventName, callback );
+	this._emitter.on( name, callback );
 };
 
 /**
@@ -4995,32 +5002,42 @@ EventHandler.prototype.subscribe = function( eventName, callback ) {
  * for an event have been removed, the server will be notified
  * that the client is unsubscribed as a listener
  *
- * @param   {String}   eventName
+ * @param   {String}   name
  * @param   {Function} callback
  *
  * @public
  * @returns {void}
  */
-EventHandler.prototype.unsubscribe = function( eventName, callback ) {
-	this._emitter.off( eventName, callback );
-	
-	if( !this._emitter.hasListeners( eventName ) ) {
-		this._ackTimeoutRegistry.add( eventName, C.ACTIONS.UNSUBSCRIBE );
-		this._connection.sendMsg( C.TOPIC.EVENT, C.ACTIONS.UNSUBSCRIBE, [ eventName ] );
+EventHandler.prototype.unsubscribe = function( name, callback ) {
+	if ( typeof name !== 'string' || name.length === 0 ) {
+		throw new Error( 'invalid argument name' );
+	}
+	if ( callback !== undefined && typeof callback !== 'function' ) {
+		throw new Error( 'invalid argument callback' );
+	}
+	this._emitter.off( name, callback );
+
+	if( !this._emitter.hasListeners( name ) ) {
+		this._ackTimeoutRegistry.add( name, C.ACTIONS.UNSUBSCRIBE );
+		this._connection.sendMsg( C.TOPIC.EVENT, C.ACTIONS.UNSUBSCRIBE, [ name ] );
 	}
 };
 
 /**
- * Emits an event locally and sends a message to the server to 
+ * Emits an event locally and sends a message to the server to
  * broadcast the event to the other connected clients
  *
- * @param   {String} name 
+ * @param   {String} name
  * @param   {Mixed} data will be serialized and deserialized to its original type.
  *
  * @public
  * @returns {void}
  */
 EventHandler.prototype.emit = function( name, data ) {
+	if ( typeof name !== 'string' || name.length === 0 ) {
+		throw new Error( 'invalid argument name' );
+	}
+
 	this._connection.sendMsg( C.TOPIC.EVENT, C.ACTIONS.EVENT, [ name, messageBuilder.typed( data ) ] );
 	this._emitter.emit( name, data );
 };
@@ -5037,11 +5054,20 @@ EventHandler.prototype.emit = function( name, data ) {
  * @returns {void}
  */
 EventHandler.prototype.listen = function( pattern, callback ) {
-	if( this._listener[ pattern ] ) {
-		this._client._$onError( C.TOPIC.EVENT, C.EVENT.LISTENER_EXISTS, pattern );
-	} else {
-		this._listener[ pattern ] = new Listener( C.TOPIC.EVENT, pattern, callback, this._options, this._client, this._connection );
+	if ( typeof pattern !== 'string' || pattern.length === 0 ) {
+		throw new Error( 'invalid argument pattern' );
+	}
+	if ( typeof callback !== 'function' ) {
+		throw new Error( 'invalid argument callback' );
+	}
+
+	if( this._listener[ pattern ] && !this._listener[ pattern ].destroyPending ) {
+		return this._client._$onError( C.TOPIC.EVENT, C.EVENT.LISTENER_EXISTS, pattern );
+	} else if( this._listener[ pattern ] ) {
+		this._listener[ pattern ].destroy();
 	}
+
+	this._listener[ pattern ] = new Listener( C.TOPIC.EVENT, pattern, callback, this._options, this._client, this._connection );
 };
 
 /**
@@ -5054,12 +5080,20 @@ EventHandler.prototype.listen = function( pattern, callback ) {
  * @returns {void}
  */
 EventHandler.prototype.unlisten = function( pattern ) {
-	if( this._listener[ pattern ] ) {
+	if ( typeof pattern !== 'string' || pattern.length === 0 ) {
+		throw new Error( 'invalid argument pattern' );
+	}
+
+	var listener = this._listener[ pattern ];
+
+	if( listener && !listener.destroyPending ) {
+		listener.sendDestroy();
+	} else if( this._listener[ pattern ] ) {
 		this._ackTimeoutRegistry.add( pattern, C.EVENT.UNLISTEN );
 		this._listener[ pattern ].destroy();
 		delete this._listener[ pattern ];
 	} else {
-		this._client._$onError( C.TOPIC.EVENT, C.EVENT.NOT_LISTENING, pattern );
+		this._client._$onError( C.TOPIC.RECORD, C.EVENT.NOT_LISTENING, pattern );
 	}
 };
 
@@ -5075,6 +5109,7 @@ EventHandler.prototype._$handle = function( message ) {
 	var name = message.data[ message.action === C.ACTIONS.ACK ? 1 : 0 ];
 
 	if( message.action === C.ACTIONS.EVENT ) {
+		processed = true;
 		if( message.data && message.data.length === 2 ) {
 			this._emitter.emit( name, messageParser.convertTyped( message.data[ 1 ], this._client ) );
 		} else {
@@ -5083,16 +5118,29 @@ EventHandler.prototype._$handle = function( message ) {
 		return;
 	}
 
-	if( this._listener[ name ] ) {
+	if( message.action === C.ACTIONS.ACK && message.data[ 0 ] === C.ACTIONS.UNLISTEN &&
+		this._listener[ name ] && this._listener[ name ].destroyPending
+	) {
+		this._listener[ name ].destroy();
+		delete this._listener[ name ];
+		return;
+	} else if( this._listener[ name ] ) {
+		processed = true;
 		this._listener[ name ]._$onMessage( message );
 		return;
+	} else if( message.action === C.ACTIONS.SUBSCRIPTION_FOR_PATTERN_REMOVED ) {
+		// An unlisten ACK was received before an PATTERN_REMOVED which is a valid case
+		return;
+	}  else if( message.action === C.ACTIONS.SUBSCRIPTION_HAS_PROVIDER ) {
+		// record can receive a HAS_PROVIDER after discarding the record
+		return;
 	}
 
 	if( message.action === C.ACTIONS.ACK ) {
 		this._ackTimeoutRegistry.clear( message );
 		return;
 	}
-	
+
 	if( message.action === C.ACTIONS.ERROR ) {
 		message.processedError = true;
 		this._client._$onError( C.TOPIC.EVENT, message.data[ 0 ], message.data[ 1 ] );
@@ -5117,7 +5165,7 @@ EventHandler.prototype._resubscribe = function() {
 };
 
 module.exports = EventHandler;
-},{"../constants/constants":35,"../message/message-builder":40,"../message/message-parser":41,"../utils/ack-timeout-registry":50,"../utils/listener":51,"../utils/resubscribe-notifier":52,"component-emitter":1}],39:[function(_dereq_,module,exports){
+},{"../constants/constants":35,"../message/message-builder":40,"../message/message-parser":41,"../utils/ack-timeout-registry":50,"../utils/listener":51,"../utils/resubscribe-notifier":52,"component-emitter":5}],39:[function(_dereq_,module,exports){
 var engineIoClient = _dereq_( 'engine.io-client' ),
 	messageParser = _dereq_( './message-parser' ),
 	messageBuilder = _dereq_( './message-builder' ),
@@ -5625,7 +5673,7 @@ Connection.prototype._clearReconnect = function() {
 
 module.exports = Connection;
 
-},{"../constants/constants":35,"../tcp/tcp-connection":31,"../utils/utils":54,"./message-builder":40,"./message-parser":41,"engine.io-client":2}],40:[function(_dereq_,module,exports){
+},{"../constants/constants":35,"../tcp/tcp-connection":21,"../utils/utils":54,"./message-builder":40,"./message-parser":41,"engine.io-client":9}],40:[function(_dereq_,module,exports){
 var C = _dereq_( '../constants/constants' ),
 	SEP = C.MESSAGE_PART_SEPERATOR;
 
@@ -6029,7 +6077,7 @@ AnonymousRecord.prototype._callMethodOnRecord = function( methodName ) {
 };
 
 module.exports = AnonymousRecord;
-},{"./record":46,"component-emitter":1}],43:[function(_dereq_,module,exports){
+},{"./record":46,"component-emitter":5}],43:[function(_dereq_,module,exports){
 var utils = _dereq_( '../utils/utils' ),
 	SPLIT_REG_EXP = /[\.\[\]]/g,
 	ASTERISK = '*';
@@ -6155,6 +6203,10 @@ var EventEmitter = _dereq_( 'component-emitter' ),
  * @constructor
  */
 var List = function( recordHandler, name, options ) {
+	if ( typeof name !== 'string' || name.length === 0 ) {
+		throw new Error( 'invalid argument name' );
+	}
+
 	this._recordHandler = recordHandler;
 	this._record = this._recordHandler.getRecord( name, options );
 	this._record._applyUpdate = this._applyUpdate.bind( this );
@@ -6524,7 +6576,7 @@ List.prototype._getStructure = function() {
 
 module.exports = List;
 
-},{"../constants/constants":35,"./record":46,"component-emitter":1}],45:[function(_dereq_,module,exports){
+},{"../constants/constants":35,"./record":46,"component-emitter":5}],45:[function(_dereq_,module,exports){
 var Record = _dereq_( './record' ),
 	AnonymousRecord = _dereq_( './anonymous-record' ),
 	List = _dereq_( './list' ),
@@ -6629,9 +6681,17 @@ RecordHandler.prototype.getAnonymousRecord = function() {
  * @returns {void}
  */
 RecordHandler.prototype.listen = function( pattern, callback ) {
+	if ( typeof pattern !== 'string' || pattern.length === 0 ) {
+		throw new Error( 'invalid argument pattern' );
+	}
+	if ( typeof callback !== 'function' ) {
+		throw new Error( 'invalid argument callback' );
+	}
+
 	if( this._listener[ pattern ] && !this._listener[ pattern ].destroyPending ) {
 		return this._client._$onError( C.TOPIC.RECORD, C.EVENT.LISTENER_EXISTS, pattern );
 	}
+
 	if( this._listener[ pattern ] ) {
 		this._listener[ pattern ].destroy();
 	}
@@ -6648,9 +6708,16 @@ RecordHandler.prototype.listen = function( pattern, callback ) {
  * @returns {void}
  */
 RecordHandler.prototype.unlisten = function( pattern ) {
+	if ( typeof pattern !== 'string' || pattern.length === 0 ) {
+		throw new Error( 'invalid argument pattern' );
+	}
+
 	var listener = this._listener[ pattern ];
 	if( listener && !listener.destroyPending ) {
 		listener.sendDestroy();
+	} else if( this._listener[ pattern ] ) {
+		this._listener[ pattern ].destroy();
+		delete this._listener[ pattern ];
 	} else {
 		this._client._$onError( C.TOPIC.RECORD, C.EVENT.NOT_LISTENING, pattern );
 	}
@@ -6665,6 +6732,10 @@ RecordHandler.prototype.unlisten = function( pattern ) {
  * @public
  */
 RecordHandler.prototype.snapshot = function( name, callback ) {
+	if ( typeof name !== 'string' || name.length === 0 ) {
+		throw new Error( 'invalid argument name' );
+	}
+
 	if( this._records[ name ] && this._records[ name ].isReady ) {
 		callback( null, this._records[ name ].get() );
 	} else {
@@ -6681,6 +6752,10 @@ RecordHandler.prototype.snapshot = function( name, callback ) {
  * @public
  */
 RecordHandler.prototype.has = function( name, callback ) {
+	if ( typeof name !== 'string' || name.length === 0 ) {
+		throw new Error( 'invalid argument name' );
+	}
+
 	if( this._records[ name ] ) {
 		callback( null, true );
 	} else {
@@ -6814,6 +6889,10 @@ RecordHandler.prototype._onRecordError = function( recordName, error ) {
  * @returns {void}
  */
 RecordHandler.prototype._onDestroyPending = function( recordName ) {
+	if ( !this._records[ recordName ] ) {
+		this.emit( 'error', 'Record \'' + recordName + '\' does not exists' );
+		return;
+	}
 	var onMessage = this._records[ recordName ]._$onMessage.bind( this._records[ recordName ] );
 	this._destroyEventEmitter.once( 'destroy_ack_' + recordName, onMessage );
 	this._removeRecord( recordName );
@@ -6834,7 +6913,7 @@ RecordHandler.prototype._removeRecord = function( recordName ) {
 
 module.exports = RecordHandler;
 
-},{"../constants/constants":35,"../message/message-parser":41,"../utils/listener":51,"../utils/single-notifier":53,"./anonymous-record":42,"./list":44,"./record":46,"component-emitter":1}],46:[function(_dereq_,module,exports){
+},{"../constants/constants":35,"../message/message-parser":41,"../utils/listener":51,"../utils/single-notifier":53,"./anonymous-record":42,"./list":44,"./record":46,"component-emitter":5}],46:[function(_dereq_,module,exports){
 var JsonPath = _dereq_( './json-path' ),
 	utils = _dereq_( '../utils/utils' ),
 	ResubscribeNotifier = _dereq_( '../utils/resubscribe-notifier' ),
@@ -6859,6 +6938,10 @@ var JsonPath = _dereq_( './json-path' ),
  * @constructor
  */
 var Record = function( name, recordOptions, connection, options, client ) {
+	if ( typeof name !== 'string' || name.length === 0 ) {
+		throw new Error( 'invalid argument name' );
+	}
+
 	this.name = name;
 	this.usages = 0;
 	this._recordOptions = recordOptions;
@@ -6951,7 +7034,10 @@ Record.prototype.get = function( path ) {
  */
 Record.prototype.set = function( pathOrData, data ) {
 	if( arguments.length === 1 && typeof pathOrData !== 'object' ) {
-		throw new Error( 'Invalid record data ' + pathOrData + ': Record data must be an object' );
+		throw new Error( 'invalid argument data' );
+	}
+	if( arguments.length === 2 && ( typeof pathOrData !== 'string' || pathOrData.length === 0 ) ) {
+		throw new Error( 'invalid argument path' )
 	}
 
 	if( this._checkDestroyed( 'set' ) ) {
@@ -7016,6 +7102,13 @@ Record.prototype.set = function( pathOrData, data ) {
 Record.prototype.subscribe = function( path, callback, triggerNow ) {
 	var args = this._normalizeArguments( arguments );
 
+	if ( args.path !== undefined && ( typeof args.path !== 'string' || args.path.length === 0 ) ) {
+		throw new Error( 'invalid argument path' );
+	}
+	if ( typeof args.callback !== 'function' ) {
+		throw new Error( 'invalid argument callback' );
+	}
+
 	if( this._checkDestroyed( 'subscribe' ) ) {
 		return;
 	}
@@ -7026,7 +7119,7 @@ Record.prototype.subscribe = function( path, callback, triggerNow ) {
 			if( args.path ) {
 				args.callback( this._getPath( args.path ).getValue() );
 			} else {
-				args.callback( this._$data );
+				args.callback( this.get() );
 			}
 		}.bind(this));
 	} else {
@@ -7054,6 +7147,13 @@ Record.prototype.subscribe = function( path, callback, triggerNow ) {
 Record.prototype.unsubscribe = function( pathOrCallback, callback ) {
 	var args = this._normalizeArguments( arguments );
 
+	if ( args.path !== undefined && ( typeof args.path !== 'string' || args.path.length === 0 ) ) {
+		throw new Error( 'invalid argument path' );
+	}
+	if ( args.callback !== undefined && typeof args.callback !== 'function' ) {
+		throw new Error( 'invalid argument callback' );
+	}
+
 	if( this._checkDestroyed( 'unsubscribe' ) ) {
 		return;
 	}
@@ -7072,6 +7172,9 @@ Record.prototype.unsubscribe = function( pathOrCallback, callback ) {
  * @returns {void}
  */
 Record.prototype.discard = function() {
+	if( this._checkDestroyed( 'discard' ) ) {
+		return;
+	}
 	this.whenReady( function() {
 		this.usages--;
 		if( this.usages <= 0 ) {
@@ -7147,8 +7250,9 @@ Record.prototype._$onMessage = function( message ) {
 		clearInterval( this._readAckTimeout );
 		clearInterval( this._readTimeout );
 	} else if( message.action === C.ACTIONS.SUBSCRIPTION_HAS_PROVIDER ) {
-		this.hasProvider = message.data[ 1 ];
-		this.emit( 'hasProviderChanged', message.data[ 1 ] );
+		var hasProvider = messageParser.convertTyped( message.data[ 1 ], this._client );
+		this.hasProvider = hasProvider;
+		this.emit( 'hasProviderChanged', hasProvider );
 	}
 };
 
@@ -7481,7 +7585,7 @@ Record.prototype._onTimeout = function( timeoutType ) {
 
 module.exports = Record;
 
-},{"../constants/constants":35,"../message/message-builder":40,"../message/message-parser":41,"../utils/resubscribe-notifier":52,"../utils/utils":54,"./json-path":43,"component-emitter":1}],47:[function(_dereq_,module,exports){
+},{"../constants/constants":35,"../message/message-builder":40,"../message/message-parser":41,"../utils/resubscribe-notifier":52,"../utils/utils":54,"./json-path":43,"component-emitter":5}],47:[function(_dereq_,module,exports){
 var C = _dereq_( '../constants/constants' ),
 	AckTimeoutRegistry = _dereq_( '../utils/ack-timeout-registry' ),
 	ResubscribeNotifier = _dereq_( '../utils/resubscribe-notifier' ),
@@ -7531,9 +7635,15 @@ var RpcHandler = function( options, connection, client ) {
  * @returns void
  */
 RpcHandler.prototype.provide = function( name, callback ) {
+	if ( typeof name !== 'string' || name.length === 0 ) {
+		throw new Error( 'invalid argument name' );
+	}
 	if( this._providers[ name ] ) {
 		throw new Error( 'RPC ' + name + ' already registered' );
 	}
+	if ( typeof callback !== 'function' ) {
+		throw new Error( 'invalid argument callback' );
+	}
 
 	this._ackTimeoutRegistry.add( name, C.ACTIONS.SUBSCRIBE );
 	this._providers[ name ] = callback;
@@ -7549,6 +7659,10 @@ RpcHandler.prototype.provide = function( name, callback ) {
  * @returns {void}
  */
 RpcHandler.prototype.unprovide = function( name ) {
+	if ( typeof name !== 'string' || name.length === 0 ) {
+		throw new Error( 'invalid argument name' );
+	}
+
 	if( this._providers[ name ] ) {
 		delete this._providers[ name ];
 		this._ackTimeoutRegistry.add( name, C.ACTIONS.UNSUBSCRIBE );
@@ -7568,6 +7682,13 @@ RpcHandler.prototype.unprovide = function( name ) {
  * @returns {void}
  */
 RpcHandler.prototype.make = function( name, data, callback ) {
+	if ( typeof name !== 'string' || name.length === 0 ) {
+		throw new Error( 'invalid argument name' );
+	}
+	if ( typeof callback !== 'function' ) {
+		throw new Error( 'invalid argument callback' );
+	}
+
 	var uid = this._client.getUid(),
 		typedData = messageBuilder.typed( data );
 
@@ -7983,7 +8104,7 @@ AckTimeoutRegistry.prototype._onTimeout = function( uniqueName, name ) {
 };
 
 module.exports = AckTimeoutRegistry;
-},{"../constants/constants":35,"component-emitter":1}],51:[function(_dereq_,module,exports){
+},{"../constants/constants":35,"component-emitter":5}],51:[function(_dereq_,module,exports){
 var C = _dereq_( '../constants/constants' );
 var ResubscribeNotifier = _dereq_( './resubscribe-notifier' );
 
@@ -8000,23 +8121,22 @@ var ResubscribeNotifier = _dereq_( './resubscribe-notifier' );
  * @constructor
  */
 var Listener = function( type, pattern, callback, options, client, connection ) {
-    this._type = type;
-    this._callback = callback;
-    this._pattern = pattern;
-    this._options = options;
-    this._client = client;
-    this._connection = connection;
-    this._ackTimeout = setTimeout( this._onAckTimeout.bind( this ), this._options.subscriptionTimeout );
-    this._resubscribeNotifier = new ResubscribeNotifier( client, this._sendListen.bind( this ) );
-    this._sendListen();
-    this._responded = null;
-    this.destroyPending = false;
+	this._type = type;
+	this._callback = callback;
+	this._pattern = pattern;
+	this._options = options;
+	this._client = client;
+	this._connection = connection;
+	this._ackTimeout = setTimeout( this._onAckTimeout.bind( this ), this._options.subscriptionTimeout );
+	this._resubscribeNotifier = new ResubscribeNotifier( client, this._sendListen.bind( this ) );
+	this._sendListen();
+	this.destroyPending = false;
 };
 
 Listener.prototype.sendDestroy = function() {
-    this.destroyPending = true;
-    this._connection.sendMsg( this._type, C.ACTIONS.UNLISTEN, [ this._pattern ] );
-    this._resubscribeNotifier.destroy();
+	this.destroyPending = true;
+	this._connection.sendMsg( this._type, C.ACTIONS.UNLISTEN, [ this._pattern ] );
+	this._resubscribeNotifier.destroy();
 
 };
 
@@ -8026,10 +8146,10 @@ Listener.prototype.sendDestroy = function() {
  * @returns {void}
  */
 Listener.prototype.destroy = function() {
-    this._callback = null;
-    this._pattern = null;
-    this._client = null;
-    this._connection = null;
+	this._callback = null;
+	this._pattern = null;
+	this._client = null;
+	this._connection = null;
 };
 
 /*
@@ -8041,8 +8161,7 @@ Listener.prototype.destroy = function() {
  * @returns {void}
  */
 Listener.prototype.accept = function( name ) {
-    this._connection.sendMsg( this._type, C.ACTIONS.LISTEN_ACCEPT, [ this._pattern, name ] );
-    this._responded = true;
+	this._connection.sendMsg( this._type, C.ACTIONS.LISTEN_ACCEPT, [ this._pattern, name ] );
 }
 
 /*
@@ -8055,8 +8174,7 @@ Listener.prototype.accept = function( name ) {
  * @returns {void}
  */
 Listener.prototype.reject = function( name ) {
-    this._connection.sendMsg( this._type, C.ACTIONS.LISTEN_REJECT, [ this._pattern, name ] );
-    this._responded = true;
+	this._connection.sendMsg( this._type, C.ACTIONS.LISTEN_REJECT, [ this._pattern, name ] );
 }
 
 /*
@@ -8066,10 +8184,10 @@ Listener.prototype.reject = function( name ) {
  * @returns {Object}
  */
 Listener.prototype._createCallbackResponse = function(message) {
-    return {
-        accept: this.accept.bind( this, message.data[ 1 ] ),
-        reject: this.reject.bind( this, message.data[ 1 ] )
-    }
+	return {
+		accept: this.accept.bind( this, message.data[ 1 ] ),
+		reject: this.reject.bind( this, message.data[ 1 ] )
+	}
 }
 
 /*
@@ -8079,23 +8197,17 @@ Listener.prototype._createCallbackResponse = function(message) {
  * @returns {void}
  */
 Listener.prototype._$onMessage = function( message ) {
-    if( message.action === C.ACTIONS.ACK ) {
-        clearTimeout( this._ackTimeout );
-    } else if ( message.action === C.ACTIONS.SUBSCRIPTION_FOR_PATTERN_FOUND ) {
-        this._callback( message.data[ 1 ], true, this._createCallbackResponse( message) );
-    } else if ( message.action === C.ACTIONS.SUBSCRIPTION_FOR_PATTERN_REMOVED ) {
-        this._callback( message.data[ 1 ], false );
-    } else {
-        this._client._$onError( this._type, C.EVENT.UNSOLICITED_MESSAGE, message.data[ 0 ] + '|' + message.data[ 1 ] );
-    }
-
-    if( message.action === C.ACTIONS.SUBSCRIPTION_FOR_PATTERN_FOUND && this._responded !== true ) {
-        var deprecatedMessage = 'DEPRECATED: listen should explicitly accept or reject for pattern: ' + message.data[ 0 ];
-        deprecatedMessage += '\nhttps://github.com/deepstreamIO/deepstream.io-client-js/issues/212';
-        if( console && console.warn ) {
-            console.warn( deprecatedMessage );
-        }
-    }
+	if( message.action === C.ACTIONS.ACK ) {
+		clearTimeout( this._ackTimeout );
+	} else if ( message.action === C
+		.ACTIONS.SUBSCRIPTION_FOR_PATTERN_FOUND ) {
+		this._showDeprecatedMessage( message );
+		this._callback( message.data[ 1 ], true, this._createCallbackResponse( message) );
+	} else if ( message.action === C.ACTIONS.SUBSCRIPTION_FOR_PATTERN_REMOVED ) {
+		this._callback( message.data[ 1 ], false );
+	} else {
+		this._client._$onError( this._type, C.EVENT.UNSOLICITED_MESSAGE, message.data[ 0 ] + '|' + message.data[ 1 ] );
+	}
 };
 
 /*
@@ -8105,7 +8217,7 @@ Listener.prototype._$onMessage = function( message ) {
  * @returns {void}
  */
 Listener.prototype._sendListen = function() {
-    this._connection.sendMsg( this._type, C.ACTIONS.LISTEN, [ this._pattern ] );
+	this._connection.sendMsg( this._type, C.ACTIONS.LISTEN, [ this._pattern ] );
 };
 
 /*
@@ -8115,7 +8227,23 @@ Listener.prototype._sendListen = function() {
  * @returns {void}
  */
 Listener.prototype._onAckTimeout = function() {
-    this._client._$onError( this._type, C.EVENT.ACK_TIMEOUT, 'No ACK message received in time for ' + this._pattern );
+	this._client._$onError( this._type, C.EVENT.ACK_TIMEOUT, 'No ACK message received in time for ' + this._pattern );
+};
+
+/*
+ * Shows a deprecation message to users before 1.1
+ *
+ * @private
+ * @returns {void}
+ */
+Listener.prototype._showDeprecatedMessage = function( message ) {
+	if( this._callback.length !== 3 ) {
+	var deprecatedMessage = 'DEPRECATED: listen should explicitly accept or reject for pattern: ' + message.data[ 0 ];
+	deprecatedMessage += '\nhttps://github.com/deepstreamIO/deepstream.io-client-js/issues/212';
+		if( console && console.warn ) {
+			console.warn( deprecatedMessage );
+		}
+	}
 };
 
 module.exports = Listener;
@@ -8398,7 +8526,7 @@ exports.deepCopy = function( obj ) {
 	}
 };
 }).call(this,_dereq_('_process'))
-},{"_process":33}],55:[function(_dereq_,module,exports){
+},{"_process":23}],55:[function(_dereq_,module,exports){
 var WebRtcConnection = _dereq_( './webrtc-connection' ),
 	EventEmitter = _dereq_( 'component-emitter' ),
 	C = _dereq_( '../constants/constants' );
@@ -8616,7 +8744,7 @@ WebRtcCall.prototype._onEstablished = function( stream ) {
 };
 
 module.exports = WebRtcCall;
-},{"../constants/constants":35,"./webrtc-connection":56,"component-emitter":1}],56:[function(_dereq_,module,exports){
+},{"../constants/constants":35,"./webrtc-connection":56,"component-emitter":5}],56:[function(_dereq_,module,exports){
 var Emitter = _dereq_( 'component-emitter' );
 var C = _dereq_( '../constants/constants' );
 var noop = function(){};
@@ -8835,7 +8963,7 @@ WebRtcConnection.prototype._onError = function( error ) {
 
 module.exports = WebRtcConnection;
 
-},{"../constants/constants":35,"component-emitter":1}],57:[function(_dereq_,module,exports){
+},{"../constants/constants":35,"component-emitter":5}],57:[function(_dereq_,module,exports){
 var C = _dereq_( '../constants/constants' ),
 	WebRtcConnection = _dereq_( './webrtc-connection' ),
 	WebRtcCall = _dereq_( './webrtc-call' ),
diff --git a/dist/deepstream.min.js b/dist/deepstream.min.js
index bc9426c04..e028c24c7 100644
--- a/dist/deepstream.min.js
+++ b/dist/deepstream.min.js
@@ -1,5 +1,5 @@
-/*! deepstream.io-client-js 1.0.2 (c)2016 deepstreamHub GmbH, with parts (c)2016 Joyent and contributers  @licence Apache-2.0*/
-!function(a){if("object"==typeof exports&&"undefined"!=typeof module)module.exports=a();else if("function"==typeof define&&define.amd)define([],a);else{var b;b="undefined"!=typeof window?window:"undefined"!=typeof global?global:"undefined"!=typeof self?self:this,b.deepstream=a()}}(function(){var a;return function b(a,c,d){function e(g,h){if(!c[g]){if(!a[g]){var i="function"==typeof require&&require;if(!h&&i)return i(g,!0);if(f)return f(g,!0);var j=new Error("Cannot find module '"+g+"'");throw j.code="MODULE_NOT_FOUND",j}var k=c[g]={exports:{}};a[g][0].call(k.exports,function(b){var c=a[g][1][b];return e(c?c:b)},k,k.exports,b,a,c,d)}return c[g].exports}for(var f="function"==typeof require&&require,g=0;g<d.length;g++)e(d[g]);return e}({1:[function(a,b,c){function d(a){if(a)return e(a)}function e(a){for(var b in d.prototype)a[b]=d.prototype[b];return a}b.exports=d,d.prototype.on=d.prototype.addEventListener=function(a,b){return this._callbacks=this._callbacks||{},(this._callbacks[a]=this._callbacks[a]||[]).push(b),this},d.prototype.once=function(a,b){function c(){d.off(a,c),b.apply(this,arguments)}var d=this;return this._callbacks=this._callbacks||{},c.fn=b,this.on(a,c),this},d.prototype.off=d.prototype.removeListener=d.prototype.removeAllListeners=d.prototype.removeEventListener=function(a,b){if(this._callbacks=this._callbacks||{},0==arguments.length)return this._callbacks={},this;var c=this._callbacks[a];if(!c)return this;if(1==arguments.length)return delete this._callbacks[a],this;for(var d,e=0;e<c.length;e++)if(d=c[e],d===b||d.fn===b){c.splice(e,1);break}return this},d.prototype.emit=function(a){this._callbacks=this._callbacks||{};var b=[].slice.call(arguments,1),c=this._callbacks[a];if(c){c=c.slice(0);for(var d=0,e=c.length;d<e;++d)c[d].apply(this,b)}return this},d.prototype.listeners=function(a){return this._callbacks=this._callbacks||{},this._callbacks[a]||[]},d.prototype.hasListeners=function(a){return!!this.listeners(a).length}},{}],2:[function(a,b,c){b.exports=a("./lib/")},{"./lib/":3}],3:[function(a,b,c){b.exports=a("./socket"),b.exports.parser=a("engine.io-parser")},{"./socket":4,"engine.io-parser":16}],4:[function(a,b,c){(function(c){function d(a,b){if(!(this instanceof d))return new d(a,b);b=b||{},a&&"object"==typeof a&&(b=a,a=null),a?(a=k(a),b.hostname=a.host,b.secure="https"==a.protocol||"wss"==a.protocol,b.port=a.port,a.query&&(b.query=a.query)):b.host&&(b.hostname=k(b.host).host),this.secure=null!=b.secure?b.secure:c.location&&"https:"==location.protocol,b.hostname&&!b.port&&(b.port=this.secure?"443":"80"),this.agent=b.agent||!1,this.hostname=b.hostname||(c.location?location.hostname:"localhost"),this.port=b.port||(c.location&&location.port?location.port:this.secure?443:80),this.query=b.query||{},"string"==typeof this.query&&(this.query=m.decode(this.query)),this.upgrade=!1!==b.upgrade,this.path=(b.path||"/engine.io").replace(/\/$/,"")+"/",this.forceJSONP=!!b.forceJSONP,this.jsonp=!1!==b.jsonp,this.forceBase64=!!b.forceBase64,this.enablesXDR=!!b.enablesXDR,this.timestampParam=b.timestampParam||"t",this.timestampRequests=b.timestampRequests,this.transports=b.transports||["polling","websocket"],this.readyState="",this.writeBuffer=[],this.policyPort=b.policyPort||843,this.rememberUpgrade=b.rememberUpgrade||!1,this.binaryType=null,this.onlyBinaryUpgrades=b.onlyBinaryUpgrades,this.perMessageDeflate=!1!==b.perMessageDeflate&&(b.perMessageDeflate||{}),!0===this.perMessageDeflate&&(this.perMessageDeflate={}),this.perMessageDeflate&&null==this.perMessageDeflate.threshold&&(this.perMessageDeflate.threshold=1024),this.pfx=b.pfx||null,this.key=b.key||null,this.passphrase=b.passphrase||null,this.cert=b.cert||null,this.ca=b.ca||null,this.ciphers=b.ciphers||null,this.rejectUnauthorized=void 0===b.rejectUnauthorized||b.rejectUnauthorized;var e="object"==typeof c&&c;e.global===e&&b.extraHeaders&&Object.keys(b.extraHeaders).length>0&&(this.extraHeaders=b.extraHeaders),this.open()}function e(a){var b={};for(var c in a)a.hasOwnProperty(c)&&(b[c]=a[c]);return b}var f=a("./transports"),g=a("component-emitter"),h=a("debug")("engine.io-client:socket"),i=a("indexof"),j=a("engine.io-parser"),k=a("parseuri"),l=a("parsejson"),m=a("parseqs");b.exports=d,d.priorWebsocketSuccess=!1,g(d.prototype),d.protocol=j.protocol,d.Socket=d,d.Transport=a("./transport"),d.transports=a("./transports"),d.parser=a("engine.io-parser"),d.prototype.createTransport=function(a){h('creating transport "%s"',a);var b=e(this.query);b.EIO=j.protocol,b.transport=a,this.id&&(b.sid=this.id);var c=new f[a]({agent:this.agent,hostname:this.hostname,port:this.port,secure:this.secure,path:this.path,query:b,forceJSONP:this.forceJSONP,jsonp:this.jsonp,forceBase64:this.forceBase64,enablesXDR:this.enablesXDR,timestampRequests:this.timestampRequests,timestampParam:this.timestampParam,policyPort:this.policyPort,socket:this,pfx:this.pfx,key:this.key,passphrase:this.passphrase,cert:this.cert,ca:this.ca,ciphers:this.ciphers,rejectUnauthorized:this.rejectUnauthorized,perMessageDeflate:this.perMessageDeflate,extraHeaders:this.extraHeaders});return c},d.prototype.open=function(){var a;if(this.rememberUpgrade&&d.priorWebsocketSuccess&&this.transports.indexOf("websocket")!=-1)a="websocket";else{if(0===this.transports.length){var b=this;return void setTimeout(function(){b.emit("error","No transports available")},0)}a=this.transports[0]}this.readyState="opening";try{a=this.createTransport(a)}catch(c){return this.transports.shift(),void this.open()}a.open(),this.setTransport(a)},d.prototype.setTransport=function(a){h("setting transport %s",a.name);var b=this;this.transport&&(h("clearing existing transport %s",this.transport.name),this.transport.removeAllListeners()),this.transport=a,a.on("drain",function(){b.onDrain()}).on("packet",function(a){b.onPacket(a)}).on("error",function(a){b.onError(a)}).on("close",function(){b.onClose("transport close")})},d.prototype.probe=function(a){function b(){if(m.onlyBinaryUpgrades){var b=!this.supportsBinary&&m.transport.supportsBinary;l=l||b}l||(h('probe transport "%s" opened',a),k.send([{type:"ping",data:"probe"}]),k.once("packet",function(b){if(!l)if("pong"==b.type&&"probe"==b.data){if(h('probe transport "%s" pong',a),m.upgrading=!0,m.emit("upgrading",k),!k)return;d.priorWebsocketSuccess="websocket"==k.name,h('pausing current transport "%s"',m.transport.name),m.transport.pause(function(){l||"closed"!=m.readyState&&(h("changing transport and sending upgrade packet"),j(),m.setTransport(k),k.send([{type:"upgrade"}]),m.emit("upgrade",k),k=null,m.upgrading=!1,m.flush())})}else{h('probe transport "%s" failed',a);var c=new Error("probe error");c.transport=k.name,m.emit("upgradeError",c)}}))}function c(){l||(l=!0,j(),k.close(),k=null)}function e(b){var d=new Error("probe error: "+b);d.transport=k.name,c(),h('probe transport "%s" failed because of error: %s',a,b),m.emit("upgradeError",d)}function f(){e("transport closed")}function g(){e("socket closed")}function i(a){k&&a.name!=k.name&&(h('"%s" works - aborting "%s"',a.name,k.name),c())}function j(){k.removeListener("open",b),k.removeListener("error",e),k.removeListener("close",f),m.removeListener("close",g),m.removeListener("upgrading",i)}h('probing transport "%s"',a);var k=this.createTransport(a,{probe:1}),l=!1,m=this;d.priorWebsocketSuccess=!1,k.once("open",b),k.once("error",e),k.once("close",f),this.once("close",g),this.once("upgrading",i),k.open()},d.prototype.onOpen=function(){if(h("socket open"),this.readyState="open",d.priorWebsocketSuccess="websocket"==this.transport.name,this.emit("open"),this.flush(),"open"==this.readyState&&this.upgrade&&this.transport.pause){h("starting upgrade probes");for(var a=0,b=this.upgrades.length;a<b;a++)this.probe(this.upgrades[a])}},d.prototype.onPacket=function(a){if("opening"==this.readyState||"open"==this.readyState)switch(h('socket receive: type "%s", data "%s"',a.type,a.data),this.emit("packet",a),this.emit("heartbeat"),a.type){case"open":this.onHandshake(l(a.data));break;case"pong":this.setPing(),this.emit("pong");break;case"error":var b=new Error("server error");b.code=a.data,this.onError(b);break;case"message":this.emit("data",a.data),this.emit("message",a.data)}else h('packet received with socket readyState "%s"',this.readyState)},d.prototype.onHandshake=function(a){this.emit("handshake",a),this.id=a.sid,this.transport.query.sid=a.sid,this.upgrades=this.filterUpgrades(a.upgrades),this.pingInterval=a.pingInterval,this.pingTimeout=a.pingTimeout,this.onOpen(),"closed"!=this.readyState&&(this.setPing(),this.removeListener("heartbeat",this.onHeartbeat),this.on("heartbeat",this.onHeartbeat))},d.prototype.onHeartbeat=function(a){clearTimeout(this.pingTimeoutTimer);var b=this;b.pingTimeoutTimer=setTimeout(function(){"closed"!=b.readyState&&b.onClose("ping timeout")},a||b.pingInterval+b.pingTimeout)},d.prototype.setPing=function(){var a=this;clearTimeout(a.pingIntervalTimer),a.pingIntervalTimer=setTimeout(function(){h("writing ping packet - expecting pong within %sms",a.pingTimeout),a.ping(),a.onHeartbeat(a.pingTimeout)},a.pingInterval)},d.prototype.ping=function(){var a=this;this.sendPacket("ping",function(){a.emit("ping")})},d.prototype.onDrain=function(){this.writeBuffer.splice(0,this.prevBufferLen),this.prevBufferLen=0,0===this.writeBuffer.length?this.emit("drain"):this.flush()},d.prototype.flush=function(){"closed"!=this.readyState&&this.transport.writable&&!this.upgrading&&this.writeBuffer.length&&(h("flushing %d packets in socket",this.writeBuffer.length),this.transport.send(this.writeBuffer),this.prevBufferLen=this.writeBuffer.length,this.emit("flush"))},d.prototype.write=d.prototype.send=function(a,b,c){return this.sendPacket("message",a,b,c),this},d.prototype.sendPacket=function(a,b,c,d){if("function"==typeof b&&(d=b,b=void 0),"function"==typeof c&&(d=c,c=null),"closing"!=this.readyState&&"closed"!=this.readyState){c=c||{},c.compress=!1!==c.compress;var e={type:a,data:b,options:c};this.emit("packetCreate",e),this.writeBuffer.push(e),d&&this.once("flush",d),this.flush()}},d.prototype.close=function(){function a(){d.onClose("forced close"),h("socket closing - telling transport to close"),d.transport.close()}function b(){d.removeListener("upgrade",b),d.removeListener("upgradeError",b),a()}function c(){d.once("upgrade",b),d.once("upgradeError",b)}if("opening"==this.readyState||"open"==this.readyState){this.readyState="closing";var d=this;this.writeBuffer.length?this.once("drain",function(){this.upgrading?c():a()}):this.upgrading?c():a()}return this},d.prototype.onError=function(a){h("socket error %j",a),d.priorWebsocketSuccess=!1,this.emit("error",a),this.onClose("transport error",a)},d.prototype.onClose=function(a,b){if("opening"==this.readyState||"open"==this.readyState||"closing"==this.readyState){h('socket close with reason: "%s"',a);var c=this;clearTimeout(this.pingIntervalTimer),clearTimeout(this.pingTimeoutTimer),this.transport.removeAllListeners("close"),this.transport.close(),this.transport.removeAllListeners(),this.readyState="closed",this.id=null,this.emit("close",a,b),c.writeBuffer=[],c.prevBufferLen=0}},d.prototype.filterUpgrades=function(a){for(var b=[],c=0,d=a.length;c<d;c++)~i(this.transports,a[c])&&b.push(a[c]);return b}}).call(this,"undefined"!=typeof global?global:"undefined"!=typeof self?self:"undefined"!=typeof window?window:{})},{"./transport":5,"./transports":6,"component-emitter":1,debug:13,"engine.io-parser":16,indexof:26,parsejson:27,parseqs:28,parseuri:29}],5:[function(a,b,c){function d(a){this.path=a.path,this.hostname=a.hostname,this.port=a.port,this.secure=a.secure,this.query=a.query,this.timestampParam=a.timestampParam,this.timestampRequests=a.timestampRequests,this.readyState="",this.agent=a.agent||!1,this.socket=a.socket,this.enablesXDR=a.enablesXDR,this.pfx=a.pfx,this.key=a.key,this.passphrase=a.passphrase,this.cert=a.cert,this.ca=a.ca,this.ciphers=a.ciphers,this.rejectUnauthorized=a.rejectUnauthorized,this.extraHeaders=a.extraHeaders}var e=a("engine.io-parser"),f=a("component-emitter");b.exports=d,f(d.prototype),d.prototype.onError=function(a,b){var c=new Error(a);return c.type="TransportError",c.description=b,this.emit("error",c),this},d.prototype.open=function(){return"closed"!=this.readyState&&""!=this.readyState||(this.readyState="opening",this.doOpen()),this},d.prototype.close=function(){return"opening"!=this.readyState&&"open"!=this.readyState||(this.doClose(),this.onClose()),this},d.prototype.send=function(a){if("open"!=this.readyState)throw new Error("Transport not open");this.write(a)},d.prototype.onOpen=function(){this.readyState="open",this.writable=!0,this.emit("open")},d.prototype.onData=function(a){var b=e.decodePacket(a,this.socket.binaryType);this.onPacket(b)},d.prototype.onPacket=function(a){this.emit("packet",a)},d.prototype.onClose=function(){this.readyState="closed",this.emit("close")}},{"component-emitter":1,"engine.io-parser":16}],6:[function(a,b,c){(function(b){function d(a){var c,d=!1,h=!1,i=!1!==a.jsonp;if(b.location){var j="https:"==location.protocol,k=location.port;k||(k=j?443:80),d=a.hostname!=location.hostname||k!=a.port,h=a.secure!=j}if(a.xdomain=d,a.xscheme=h,c=new e(a),"open"in c&&!a.forceJSONP)return new f(a);if(!i)throw new Error("JSONP disabled");return new g(a)}var e=a("xmlhttprequest-ssl"),f=a("./polling-xhr"),g=a("./polling-jsonp"),h=a("./websocket");c.polling=d,c.websocket=h}).call(this,"undefined"!=typeof global?global:"undefined"!=typeof self?self:"undefined"!=typeof window?window:{})},{"./polling-jsonp":7,"./polling-xhr":8,"./websocket":10,"xmlhttprequest-ssl":11}],7:[function(a,b,c){(function(c){function d(){}function e(a){f.call(this,a),this.query=this.query||{},h||(c.___eio||(c.___eio=[]),h=c.___eio),this.index=h.length;var b=this;h.push(function(a){b.onData(a)}),this.query.j=this.index,c.document&&c.addEventListener&&c.addEventListener("beforeunload",function(){b.script&&(b.script.onerror=d)},!1)}var f=a("./polling"),g=a("component-inherit");b.exports=e;var h,i=/\n/g,j=/\\n/g;g(e,f),e.prototype.supportsBinary=!1,e.prototype.doClose=function(){this.script&&(this.script.parentNode.removeChild(this.script),this.script=null),this.form&&(this.form.parentNode.removeChild(this.form),this.form=null,this.iframe=null),f.prototype.doClose.call(this)},e.prototype.doPoll=function(){var a=this,b=document.createElement("script");this.script&&(this.script.parentNode.removeChild(this.script),this.script=null),b.async=!0,b.src=this.uri(),b.onerror=function(b){a.onError("jsonp poll error",b)};var c=document.getElementsByTagName("script")[0];c?c.parentNode.insertBefore(b,c):(document.head||document.body).appendChild(b),this.script=b;var d="undefined"!=typeof navigator&&/gecko/i.test(navigator.userAgent);d&&setTimeout(function(){var a=document.createElement("iframe");document.body.appendChild(a),document.body.removeChild(a)},100)},e.prototype.doWrite=function(a,b){function c(){d(),b()}function d(){if(e.iframe)try{e.form.removeChild(e.iframe)}catch(a){e.onError("jsonp polling iframe removal error",a)}try{var b='<iframe src="javascript:0" name="'+e.iframeId+'">';f=document.createElement(b)}catch(a){f=document.createElement("iframe"),f.name=e.iframeId,f.src="javascript:0"}f.id=e.iframeId,e.form.appendChild(f),e.iframe=f}var e=this;if(!this.form){var f,g=document.createElement("form"),h=document.createElement("textarea"),k=this.iframeId="eio_iframe_"+this.index;g.className="socketio",g.style.position="absolute",g.style.top="-1000px",g.style.left="-1000px",g.target=k,g.method="POST",g.setAttribute("accept-charset","utf-8"),h.name="d",g.appendChild(h),document.body.appendChild(g),this.form=g,this.area=h}this.form.action=this.uri(),d(),a=a.replace(j,"\\\n"),this.area.value=a.replace(i,"\\n");try{this.form.submit()}catch(l){}this.iframe.attachEvent?this.iframe.onreadystatechange=function(){"complete"==e.iframe.readyState&&c()}:this.iframe.onload=c}}).call(this,"undefined"!=typeof global?global:"undefined"!=typeof self?self:"undefined"!=typeof window?window:{})},{"./polling":9,"component-inherit":12}],8:[function(a,b,c){(function(c){function d(){}function e(a){if(i.call(this,a),c.location){var b="https:"==location.protocol,d=location.port;d||(d=b?443:80),this.xd=a.hostname!=c.location.hostname||d!=a.port,this.xs=a.secure!=b}else 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a=a||{},a.uri=this.uri(),a.xd=this.xd,a.xs=this.xs,a.agent=this.agent||!1,a.supportsBinary=this.supportsBinary,a.enablesXDR=this.enablesXDR,a.pfx=this.pfx,a.key=this.key,a.passphrase=this.passphrase,a.cert=this.cert,a.ca=this.ca,a.ciphers=this.ciphers,a.rejectUnauthorized=this.rejectUnauthorized,a.extraHeaders=this.extraHeaders,new f(a)},e.prototype.doWrite=function(a,b){var c="string"!=typeof a&&void 0!==a,d=this.request({method:"POST",data:a,isBinary:c}),e=this;d.on("success",b),d.on("error",function(a){e.onError("xhr post error",a)}),this.sendXhr=d},e.prototype.doPoll=function(){l("xhr poll");var a=this.request(),b=this;a.on("data",function(a){b.onData(a)}),a.on("error",function(a){b.onError("xhr poll error",a)}),this.pollXhr=a},j(f.prototype),f.prototype.create=function(){var a={agent:this.agent,xdomain:this.xd,xscheme:this.xs,enablesXDR:this.enablesXDR};a.pfx=this.pfx,a.key=this.key,a.passphrase=this.passphrase,a.cert=this.cert,a.ca=this.ca,a.ciphers=this.ciphers,a.rejectUnauthorized=this.rejectUnauthorized;var b=this.xhr=new h(a),d=this;try{l("xhr open %s: %s",this.method,this.uri),b.open(this.method,this.uri,this.async);try{if(this.extraHeaders){b.setDisableHeaderCheck(!0);for(var e in this.extraHeaders)this.extraHeaders.hasOwnProperty(e)&&b.setRequestHeader(e,this.extraHeaders[e])}}catch(g){}if(this.supportsBinary&&(b.responseType="arraybuffer"),"POST"==this.method)try{this.isBinary?b.setRequestHeader("Content-type","application/octet-stream"):b.setRequestHeader("Content-type","text/plain;charset=UTF-8")}catch(g){}"withCredentials"in 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b;try{b=this.xhr.getResponseHeader("Content-Type").split(";")[0]}catch(c){}if("application/octet-stream"===b)a=this.xhr.response;else if(this.supportsBinary)try{a=String.fromCharCode.apply(null,new Uint8Array(this.xhr.response))}catch(c){for(var d=new Uint8Array(this.xhr.response),e=[],f=0,g=d.length;f<g;f++)e.push(d[f]);a=String.fromCharCode.apply(null,e)}else a=this.xhr.responseText}catch(c){this.onError(c)}null!=a&&this.onData(a)},f.prototype.hasXDR=function(){return"undefined"!=typeof c.XDomainRequest&&!this.xs&&this.enablesXDR},f.prototype.abort=function(){this.cleanup()},c.document&&(f.requestsCount=0,f.requests={},c.attachEvent?c.attachEvent("onunload",g):c.addEventListener&&c.addEventListener("beforeunload",g,!1))}).call(this,"undefined"!=typeof global?global:"undefined"!=typeof self?self:"undefined"!=typeof window?window:{})},{"./polling":9,"component-emitter":1,"component-inherit":12,debug:13,"xmlhttprequest-ssl":11}],9:[function(a,b,c){function d(a){var 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a=this.query||{},b=this.secure?"https":"http",c="";!1!==this.timestampRequests&&(a[this.timestampParam]=i()),this.supportsBinary||a.sid||(a.b64=1),a=f.encode(a),this.port&&("https"==b&&443!=this.port||"http"==b&&80!=this.port)&&(c=":"+this.port),a.length&&(a="?"+a);var d=this.hostname.indexOf(":")!==-1;return b+"://"+(d?"["+this.hostname+"]":this.hostname)+c+this.path+a}},{"../transport":5,"component-inherit":12,debug:13,"engine.io-parser":16,parseqs:28,"xmlhttprequest-ssl":11,yeast:30}],10:[function(a,b,c){(function(c){function d(a){var b=a&&a.forceBase64;b&&(this.supportsBinary=!1),this.perMessageDeflate=a.perMessageDeflate,e.call(this,a)}var e=a("../transport"),f=a("engine.io-parser"),g=a("parseqs"),h=a("component-inherit"),i=a("yeast"),j=a("debug")("engine.io-client:websocket"),k=c.WebSocket||c.MozWebSocket,l=k;if(!l&&"undefined"==typeof 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navigator&&/iPad|iPhone|iPod/i.test(navigator.userAgent)&&(d.prototype.onData=function(a){var b=this;setTimeout(function(){e.prototype.onData.call(b,a)},0)}),d.prototype.write=function(a){function b(){d.emit("flush"),setTimeout(function(){d.writable=!0,d.emit("drain")},0)}var d=this;this.writable=!1;for(var e=a.length,g=0,h=e;g<h;g++)!function(a){f.encodePacket(a,d.supportsBinary,function(f){if(!k){var g={};if(a.options&&(g.compress=a.options.compress),d.perMessageDeflate){var h="string"==typeof f?c.Buffer.byteLength(f):f.length;h<d.perMessageDeflate.threshold&&(g.compress=!1)}}try{k?d.ws.send(f):d.ws.send(f,g)}catch(i){j("websocket closed before onclose event")}--e||b()})}(a[g])},d.prototype.onClose=function(){e.prototype.onClose.call(this)},d.prototype.doClose=function(){"undefined"!=typeof this.ws&&this.ws.close()},d.prototype.uri=function(){var a=this.query||{},b=this.secure?"wss":"ws",c="";this.port&&("wss"==b&&443!=this.port||"ws"==b&&80!=this.port)&&(c=":"+this.port),this.timestampRequests&&(a[this.timestampParam]=i()),this.supportsBinary||(a.b64=1),a=g.encode(a),a.length&&(a="?"+a);var d=this.hostname.indexOf(":")!==-1;return b+"://"+(d?"["+this.hostname+"]":this.hostname)+c+this.path+a},d.prototype.check=function(){return!(!l||"__initialize"in l&&this.name===d.prototype.name)}}).call(this,"undefined"!=typeof global?global:"undefined"!=typeof self?self:"undefined"!=typeof window?window:{})},{"../transport":5,"component-inherit":12,debug:13,"engine.io-parser":16,parseqs:28,ws:32,yeast:30}],11:[function(a,b,c){var d=a("has-cors");b.exports=function(a){var b=a.xdomain,c=a.xscheme,e=a.enablesXDR;try{if("undefined"!=typeof XMLHttpRequest&&(!b||d))return new XMLHttpRequest}catch(f){}try{if("undefined"!=typeof XDomainRequest&&!c&&e)return new XDomainRequest}catch(f){}if(!b)try{return new 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e=c.formatters[d];if("function"==typeof e){var f=g[h];b=e.call(a,f),g.splice(h,1),h--}return b}),"function"==typeof c.formatArgs&&(g=c.formatArgs.apply(a,g));var i=e.log||c.log||console.log.bind(console);i.apply(a,g)}b.enabled=!1,e.enabled=!0;var f=c.enabled(a)?e:b;return f.namespace=a,f}function f(a){c.save(a);for(var b=(a||"").split(/[\s,]+/),d=b.length,e=0;e<d;e++)b[e]&&(a=b[e].replace(/\*/g,".*?"),"-"===a[0]?c.skips.push(new RegExp("^"+a.substr(1)+"$")):c.names.push(new RegExp("^"+a+"$")))}function g(){c.enable("")}function h(a){var b,d;for(b=0,d=c.skips.length;b<d;b++)if(c.skips[b].test(a))return!1;for(b=0,d=c.names.length;b<d;b++)if(c.names[b].test(a))return!0;return!1}function i(a){return a instanceof Error?a.stack||a.message:a}c=b.exports=e,c.coerce=i,c.disable=g,c.enable=f,c.enabled=h,c.humanize=a("ms"),c.names=[],c.skips=[],c.formatters={};var j,k=0},{ms:15}],15:[function(a,b,c){function d(a){if(a=""+a,!(a.length>1e4)){var b=/^((?:\d+)?\.?\d+) 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Have you called login()?",setTimeout(this._$onError.bind(this,e.EVENT.NOT_AUTHENTICATED,e.TOPIC.ERROR,d),1)),!this.hasListeners("error"))throw console.log("--- You can catch all deepstream errors by subscribing to the error event ---"),d=b+": "+c,a&&(d+=" ("+a+")"),new Error(d);this.emit("error",c,b,a),this.emit(b,a,c)},n.prototype._onErrorMessage=function(a){this._$onError(a.topic,a.data[0],a.data[1])},n.prototype._getOptions=function(a){var b,c={};for(b in m)"undefined"==typeof a[b]?c[b]=m[b]:c[b]=a[b];return c},n.prototype.CONSTANTS=e,d.CONSTANTS=e,n.prototype.MERGE_STRATEGIES=f,d.MERGE_STRATEGIES=f,b.exports=d},{"./constants/constants":35,"./constants/merge-strategies":36,"./default-options":37,"./event/event-handler":38,"./message/connection":39,"./record/record-handler":45,"./rpc/rpc-handler":47,"./webrtc/webrtc-handler":57,"component-emitter":1}],35:[function(a,b,c){c.CONNECTION_STATE={},c.CONNECTION_STATE.CLOSED="CLOSED",c.CONNECTION_STATE.AWAITING_CONNECTION="AWAITING_CONNECTION",c.CONNECTION_STATE.CHALLENGING="CHALLENGING",c.CONNECTION_STATE.AWAITING_AUTHENTICATION="AWAITING_AUTHENTICATION",c.CONNECTION_STATE.AUTHENTICATING="AUTHENTICATING",c.CONNECTION_STATE.OPEN="OPEN",c.CONNECTION_STATE.ERROR="ERROR",c.CONNECTION_STATE.RECONNECTING="RECONNECTING",c.MESSAGE_SEPERATOR=String.fromCharCode(30),c.MESSAGE_PART_SEPERATOR=String.fromCharCode(31),c.TYPES={},c.TYPES.STRING="S",c.TYPES.OBJECT="O",c.TYPES.NUMBER="N",c.TYPES.NULL="L",c.TYPES.TRUE="T",c.TYPES.FALSE="F",c.TYPES.UNDEFINED="U",c.TOPIC={},c.TOPIC.CONNECTION="C",c.TOPIC.AUTH="A",c.TOPIC.ERROR="X",c.TOPIC.EVENT="E",c.TOPIC.RECORD="R",c.TOPIC.RPC="P",c.TOPIC.WEBRTC="W",c.TOPIC.PRIVATE="PRIVATE/",c.EVENT={},c.EVENT.CONNECTION_ERROR="connectionError",c.EVENT.CONNECTION_STATE_CHANGED="connectionStateChanged",c.EVENT.MAX_RECONNECTION_ATTEMPTS_REACHED="MAX_RECONNECTION_ATTEMPTS_REACHED",c.EVENT.CONNECTION_AUTHENTICATION_TIMEOUT="CONNECTION_AUTHENTICATION_TIMEOUT",c.EVENT.ACK_TIMEOUT="ACK_TIMEOUT",c.EVENT.NO_RPC_PROVIDER="NO_RPC_PROVIDER",c.EVENT.RESPONSE_TIMEOUT="RESPONSE_TIMEOUT",c.EVENT.DELETE_TIMEOUT="DELETE_TIMEOUT",c.EVENT.UNSOLICITED_MESSAGE="UNSOLICITED_MESSAGE",c.EVENT.MESSAGE_DENIED="MESSAGE_DENIED",c.EVENT.MESSAGE_PARSE_ERROR="MESSAGE_PARSE_ERROR",c.EVENT.VERSION_EXISTS="VERSION_EXISTS",c.EVENT.NOT_AUTHENTICATED="NOT_AUTHENTICATED",c.EVENT.MESSAGE_PERMISSION_ERROR="MESSAGE_PERMISSION_ERROR",c.EVENT.LISTENER_EXISTS="LISTENER_EXISTS",c.EVENT.NOT_LISTENING="NOT_LISTENING",c.EVENT.TOO_MANY_AUTH_ATTEMPTS="TOO_MANY_AUTH_ATTEMPTS",c.EVENT.IS_CLOSED="IS_CLOSED",c.EVENT.UNKNOWN_CALLEE="UNKNOWN_CALLEE",c.EVENT.RECORD_NOT_FOUND="RECORD_NOT_FOUND",c.ACTIONS={},c.ACTIONS.ACK="A",c.ACTIONS.REDIRECT="RED",c.ACTIONS.CHALLENGE="CH",c.ACTIONS.CHALLENGE_RESPONSE="CHR",c.ACTIONS.READ="R",c.ACTIONS.CREATE="C",c.ACTIONS.UPDATE="U",c.ACTIONS.PATCH="P",c.ACTIONS.DELETE="D",c.ACTIONS.SUBSCRIBE="S",c.ACTIONS.UNSUBSCRIBE="US",c.ACTIONS.HAS="H",c.ACTIONS.SNAPSHOT="SN",c.ACTIONS.INVOKE="I",c.ACTIONS.SUBSCRIPTION_FOR_PATTERN_FOUND="SP",c.ACTIONS.SUBSCRIPTION_FOR_PATTERN_REMOVED="SR",c.ACTIONS.SUBSCRIPTION_HAS_PROVIDER="SH",c.ACTIONS.LISTEN="L",c.ACTIONS.UNLISTEN="UL",c.ACTIONS.LISTEN_ACCEPT="LA",c.ACTIONS.LISTEN_REJECT="LR",c.ACTIONS.PROVIDER_UPDATE="PU",c.ACTIONS.QUERY="Q",c.ACTIONS.CREATEORREAD="CR",c.ACTIONS.EVENT="EVT",c.ACTIONS.ERROR="E",c.ACTIONS.REQUEST="REQ",c.ACTIONS.RESPONSE="RES",c.ACTIONS.REJECTION="REJ",c.ACTIONS.WEBRTC_REGISTER_CALLEE="RC",c.ACTIONS.WEBRTC_UNREGISTER_CALLEE="URC",c.ACTIONS.WEBRTC_OFFER="OF",c.ACTIONS.WEBRTC_ANSWER="AN",c.ACTIONS.WEBRTC_ICE_CANDIDATE="IC",c.ACTIONS.WEBRTC_CALL_DECLINED="CD",c.ACTIONS.WEBRTC_CALL_ENDED="CE",c.ACTIONS.WEBRTC_LISTEN_FOR_CALLEES="LC",c.ACTIONS.WEBRTC_UNLISTEN_FOR_CALLEES="ULC",c.ACTIONS.WEBRTC_ALL_CALLEES="WAC",c.ACTIONS.WEBRTC_CALLEE_ADDED="WCA",c.ACTIONS.WEBRTC_CALLEE_REMOVED="WCR",c.ACTIONS.WEBRTC_IS_ALIVE="WIA",c.CALL_STATE={},c.CALL_STATE.INITIAL="INITIAL",c.CALL_STATE.CONNECTING="CONNECTING",c.CALL_STATE.ESTABLISHED="ESTABLISHED",c.CALL_STATE.ACCEPTED="ACCEPTED",c.CALL_STATE.DECLINED="DECLINED",c.CALL_STATE.ENDED="ENDED",c.CALL_STATE.ERROR="ERROR"},{}],36:[function(a,b,c){b.exports={REMOTE_WINS:function(a,b,c,d){d(null,b)},LOCAL_WINS:function(a,b,c,d){d(null,a.get())}}},{}],37:[function(a,b,c){var d=a("./constants/merge-strategies");b.exports={recordPersistDefault:!0,reconnectIntervalIncrement:4e3,maxReconnectInterval:18e4,maxReconnectAttempts:5,rpcAckTimeout:6e3,rpcResponseTimeout:1e4,subscriptionTimeout:2e3,maxMessagesPerPacket:100,timeBetweenSendingQueuedPackages:16,recordReadAckTimeout:1e3,recordReadTimeout:3e3,recordDeleteTimeout:3e3,calleeAckTimeout:3e3,rtcPeerConnectionConfig:{iceServers:[{url:"stun:stun.services.mozilla.com"},{url:"stun:stun.l.google.com:19302"}]},agent:!1,upgrade:!0,forceJSONP:!1,jsonp:!0,forceBase64:!1,enablesXDR:!1,timestampRequests:!1,timestampParam:"t",policyPort:843,path:"/deepstream",transports:["polling","websocket"],rememberUpgrade:!1,mergeStrategy:d.REMOTE_WINS}},{"./constants/merge-strategies":36}],38:[function(a,b,c){var d=a("../message/message-builder"),e=a("../message/message-parser"),f=a("../utils/ack-timeout-registry"),g=a("../utils/resubscribe-notifier"),h=a("../constants/constants"),i=a("../utils/listener"),j=a("component-emitter"),k=function(a,b,c){this._options=a,this._connection=b,this._client=c,this._emitter=new j,this._listener={},this._ackTimeoutRegistry=new f(c,h.TOPIC.EVENT,this._options.subscriptionTimeout),this._resubscribeNotifier=new g(this._client,this._resubscribe.bind(this))};k.prototype.subscribe=function(a,b){this._emitter.hasListeners(a)||(this._ackTimeoutRegistry.add(a,h.ACTIONS.SUBSCRIBE),this._connection.sendMsg(h.TOPIC.EVENT,h.ACTIONS.SUBSCRIBE,[a])),this._emitter.on(a,b)},k.prototype.unsubscribe=function(a,b){this._emitter.off(a,b),this._emitter.hasListeners(a)||(this._ackTimeoutRegistry.add(a,h.ACTIONS.UNSUBSCRIBE),this._connection.sendMsg(h.TOPIC.EVENT,h.ACTIONS.UNSUBSCRIBE,[a]))},k.prototype.emit=function(a,b){this._connection.sendMsg(h.TOPIC.EVENT,h.ACTIONS.EVENT,[a,d.typed(b)]),this._emitter.emit(a,b)},k.prototype.listen=function(a,b){this._listener[a]?this._client._$onError(h.TOPIC.EVENT,h.EVENT.LISTENER_EXISTS,a):this._listener[a]=new i(h.TOPIC.EVENT,a,b,this._options,this._client,this._connection)},k.prototype.unlisten=function(a){this._listener[a]?(this._ackTimeoutRegistry.add(a,h.EVENT.UNLISTEN),this._listener[a].destroy(),delete this._listener[a]):this._client._$onError(h.TOPIC.EVENT,h.EVENT.NOT_LISTENING,a)},k.prototype._$handle=function(a){var b=a.data[a.action===h.ACTIONS.ACK?1:0];return a.action===h.ACTIONS.EVENT?void(a.data&&2===a.data.length?this._emitter.emit(b,e.convertTyped(a.data[1],this._client)):this._emitter.emit(b)):this._listener[b]?void this._listener[b]._$onMessage(a):a.action===h.ACTIONS.ACK?void this._ackTimeoutRegistry.clear(a):a.action===h.ACTIONS.ERROR?(a.processedError=!0,void this._client._$onError(h.TOPIC.EVENT,a.data[0],a.data[1])):void this._client._$onError(h.TOPIC.EVENT,h.EVENT.UNSOLICITED_MESSAGE,b)},k.prototype._resubscribe=function(){var a=this._emitter._callbacks;for(var b in a)this._connection.sendMsg(h.TOPIC.EVENT,h.ACTIONS.SUBSCRIBE,[b])},b.exports=k},{"../constants/constants":35,"../message/message-builder":40,"../message/message-parser":41,"../utils/ack-timeout-registry":50,"../utils/listener":51,"../utils/resubscribe-notifier":52,"component-emitter":1}],39:[function(a,b,c){var d=a("engine.io-client"),e=a("./message-parser"),f=a("./message-builder"),g=a("../tcp/tcp-connection"),h=a("../utils/utils"),i=a("../constants/constants"),j=function(a,b,c){this._client=a,this._originalUrl=b,this._url=b,this._options=c,this._authParams=null,this._authCallback=null,this._deliberateClose=!1,this._redirecting=!1,this._tooManyAuthAttempts=!1,this._connectionAuthenticationTimeout=!1,this._challengeDenied=!1,this._queuedMessages=[],this._reconnectTimeout=null,this._reconnectionAttempt=0,this._currentPacketMessageCount=0,this._sendNextPacketTimeout=null,this._currentMessageResetTimeout=null,this._endpoint=null,this._state=i.CONNECTION_STATE.CLOSED,this._createEndpoint()};j.prototype.getState=function(){return this._state},j.prototype.authenticate=function(a,b){return this._authParams=a,this._authCallback=b,this._tooManyAuthAttempts||this._challengeDenied||this._connectionAuthenticationTimeout?void this._client._$onError(i.TOPIC.ERROR,i.EVENT.IS_CLOSED,"this client's connection was closed"):this._deliberateClose===!0&&this._state===i.CONNECTION_STATE.CLOSED?(this._createEndpoint(),void(this._deliberateClose=!1)):void(this._state===i.CONNECTION_STATE.AWAITING_AUTHENTICATION&&this._sendAuthParams())},j.prototype.sendMsg=function(a,b,c){this.send(f.getMsg(a,b,c))},j.prototype.send=function(a){this._queuedMessages.push(a),this._currentPacketMessageCount++,null===this._currentMessageResetTimeout&&(this._currentMessageResetTimeout=h.nextTick(this._resetCurrentMessageCount.bind(this))),this._state===i.CONNECTION_STATE.OPEN&&this._queuedMessages.length<this._options.maxMessagesPerPacket&&this._currentPacketMessageCount<this._options.maxMessagesPerPacket?this._sendQueuedMessages():null===this._sendNextPacketTimeout&&this._queueNextPacket()},j.prototype.close=function(){this._deliberateClose=!0,this._endpoint.close()},j.prototype._createEndpoint=function(){h.isNode?this._endpoint=new g(this._url):this._endpoint=d(this._url,this._options),this._endpoint.on("open",this._onOpen.bind(this)),this._endpoint.on("error",this._onError.bind(this)),this._endpoint.on("close",this._onClose.bind(this)),this._endpoint.on("message",this._onMessage.bind(this))},j.prototype._resetCurrentMessageCount=function(){this._currentPacketMessageCount=0,this._currentMessageResetTimeout=null},j.prototype._sendQueuedMessages=function(){if(this._state===i.CONNECTION_STATE.OPEN){if(0===this._queuedMessages.length)return void(this._sendNextPacketTimeout=null);var a=this._queuedMessages.splice(0,this._options.maxMessagesPerPacket).join("");0!==this._queuedMessages.length?this._queueNextPacket():this._sendNextPacketTimeout=null,this._endpoint.send(a)}},j.prototype._queueNextPacket=function(){var a=this._sendQueuedMessages.bind(this),b=this._options.timeBetweenSendingQueuedPackages;this._sendNextPacketTimeout=setTimeout(a,b)},j.prototype._sendAuthParams=function(){this._setState(i.CONNECTION_STATE.AUTHENTICATING);var a=f.getMsg(i.TOPIC.AUTH,i.ACTIONS.REQUEST,[this._authParams]);this._endpoint.send(a)},j.prototype._onOpen=function(){this._clearReconnect(),this._setState(i.CONNECTION_STATE.AWAITING_CONNECTION)},j.prototype._onError=function(a){this._setState(i.CONNECTION_STATE.ERROR),setTimeout(function(){this._client._$onError(null,i.EVENT.CONNECTION_ERROR,a.toString())}.bind(this),1)},j.prototype._onClose=function(){this._redirecting===!0?(this._redirecting=!1,this._createEndpoint()):this._deliberateClose===!0?this._setState(i.CONNECTION_STATE.CLOSED):(this._originalUrl!==this._url&&(this._url=this._originalUrl,this._createEndpoint()),this._tryReconnect())},j.prototype._onMessage=function(a){var b,c=e.parse(a,this._client);for(b=0;b<c.length;b++)null!==c[b]&&(c[b].topic===i.TOPIC.CONNECTION?this._handleConnectionResponse(c[b]):c[b].topic===i.TOPIC.AUTH?this._handleAuthResponse(c[b]):this._client._$onMessage(c[b]))},j.prototype._handleConnectionResponse=function(a){a.action===i.ACTIONS.ACK?(this._setState(i.CONNECTION_STATE.AWAITING_AUTHENTICATION),this._authParams&&this._sendAuthParams()):a.action===i.ACTIONS.CHALLENGE?(this._setState(i.CONNECTION_STATE.CHALLENGING),this._endpoint.send(f.getMsg(i.TOPIC.CONNECTION,i.ACTIONS.CHALLENGE_RESPONSE,[this._originalUrl]))):a.action===i.ACTIONS.REJECTION?(this._challengeDenied=!0,this.close()):a.action===i.ACTIONS.REDIRECT?(this._url=a.data[0],this._redirecting=!0,this._endpoint.close()):a.action===i.ACTIONS.ERROR&&a.data[0]===i.EVENT.CONNECTION_AUTHENTICATION_TIMEOUT&&(this._deliberateClose=!0,this._connectionAuthenticationTimeout=!0,this._client._$onError(i.TOPIC.CONNECTION,a.data[0],a.data[1]))},j.prototype._handleAuthResponse=function(a){a.action===i.ACTIONS.ERROR?(a.data[0]===i.EVENT.TOO_MANY_AUTH_ATTEMPTS?(this._deliberateClose=!0,this._tooManyAuthAttempts=!0):this._setState(i.CONNECTION_STATE.AWAITING_AUTHENTICATION),this._authCallback&&this._authCallback(!1,this._getAuthData(a.data[1]))):a.action===i.ACTIONS.ACK&&(this._setState(i.CONNECTION_STATE.OPEN),this._authCallback&&this._authCallback(!0,this._getAuthData(a.data[0])),this._sendQueuedMessages())},j.prototype._getAuthData=function(a){return void 0===a?null:e.convertTyped(a,this._client)},j.prototype._setState=function(a){this._state=a,this._client.emit(i.EVENT.CONNECTION_STATE_CHANGED,a)},j.prototype._tryReconnect=function(){null===this._reconnectTimeout&&(this._reconnectionAttempt<this._options.maxReconnectAttempts?(this._setState(i.CONNECTION_STATE.RECONNECTING),this._reconnectTimeout=setTimeout(this._tryOpen.bind(this),Math.min(this._options.maxReconnectInterval,this._options.reconnectIntervalIncrement*this._reconnectionAttempt)),this._reconnectionAttempt++):(this._clearReconnect(),this.close(),this._client.emit(i.MAX_RECONNECTION_ATTEMPTS_REACHED,this._reconnectionAttempt)))},j.prototype._tryOpen=function(){this._endpoint.open(),this._reconnectTimeout=null},j.prototype._clearReconnect=function(){clearTimeout(this._reconnectTimeout),this._reconnectTimeout=null,this._reconnectionAttempt=0},b.exports=j},{"../constants/constants":35,"../tcp/tcp-connection":31,"../utils/utils":54,"./message-builder":40,"./message-parser":41,"engine.io-client":2}],40:[function(a,b,c){var d=a("../constants/constants"),e=d.MESSAGE_PART_SEPERATOR;c.getMsg=function(a,b,c){if(c&&!(c instanceof Array))throw new Error("data must be an array");var f,g=[a,b];if(c)for(f=0;f<c.length;f++)"object"==typeof c[f]?g.push(JSON.stringify(c[f])):g.push(c[f]);return g.join(e)+d.MESSAGE_SEPERATOR},c.typed=function(a){var b=typeof a;if("string"===b)return d.TYPES.STRING+a;if(null===a)return d.TYPES.NULL;if("object"===b)return d.TYPES.OBJECT+JSON.stringify(a);if("number"===b)return d.TYPES.NUMBER+a.toString();if(a===!0)return d.TYPES.TRUE;if(a===!1)return d.TYPES.FALSE;if(void 0===a)return d.TYPES.UNDEFINED;throw new Error("Can't serialize type "+a)}},{"../constants/constants":35}],41:[function(a,b,c){var d=a("../constants/constants"),e=function(){this._actions=this._getActions()};e.prototype.parse=function(a,b){var c,e=[],f=a.split(d.MESSAGE_SEPERATOR);for(c=0;c<f.length;c++)f[c].length>2&&e.push(this._parseMessage(f[c],b));return e},e.prototype.convertTyped=function(a,b){var c=a.charAt(0);if(c===d.TYPES.STRING)return a.substr(1);if(c===d.TYPES.OBJECT)try{return JSON.parse(a.substr(1))}catch(e){return void b._$onError(d.TOPIC.ERROR,d.EVENT.MESSAGE_PARSE_ERROR,e.toString()+"("+a+")")}return c===d.TYPES.NUMBER?parseFloat(a.substr(1)):c===d.TYPES.NULL?null:c===d.TYPES.TRUE||c!==d.TYPES.FALSE&&void(c!==d.TYPES.UNDEFINED&&b._$onError(d.TOPIC.ERROR,d.EVENT.MESSAGE_PARSE_ERROR,"UNKNOWN_TYPE ("+a+")"))},e.prototype._getActions=function(){var a,b={};for(a in d.ACTIONS)b[d.ACTIONS[a]]=a;return b},e.prototype._parseMessage=function(a,b){var c=a.split(d.MESSAGE_PART_SEPERATOR),e={};return c.length<2?(a.processedError=!0,b._$onError(d.TOPIC.ERROR,d.EVENT.MESSAGE_PARSE_ERROR,"Insufficiant message parts"),null):void 0===this._actions[c[1]]?(a.processedError=!0,b._$onError(d.TOPIC.ERROR,d.EVENT.MESSAGE_PARSE_ERROR,"Unknown action "+c[1]),null):(e.raw=a,e.topic=c[0],e.action=c[1],e.data=c.splice(2),e)},b.exports=new e},{"../constants/constants":35}],42:[function(a,b,c){var d=a("./record"),e=a("component-emitter"),f=function(a){this.name=null,this._recordHandler=a,this._record=null,this._subscriptions=[],this._proxyMethod("delete"),this._proxyMethod("set"),this._proxyMethod("discard")};e(f.prototype),f.prototype.get=function(a){if(null!==this._record)return this._record.get(a)},f.prototype.subscribe=function(){var a=d.prototype._normalizeArguments(arguments);a.triggerNow=!0,this._subscriptions.push(a),null!==this._record&&this._record.subscribe(a)},f.prototype.unsubscribe=function(){var a,b=d.prototype._normalizeArguments(arguments),c=[];for(a=0;a<this._subscriptions.length;a++)this._subscriptions[a].path===b.path&&this._subscriptions[a].callback===b.callback||c.push(this._subscriptions[a]);this._subscriptions=c,null!==this._record&&this._record.unsubscribe(b)},f.prototype.setName=function(a){this.name=a;var b;if(null!==this._record&&!this._record.isDestroyed){for(b=0;b<this._subscriptions.length;b++)this._record.unsubscribe(this._subscriptions[b]);this._record.discard()}for(this._record=this._recordHandler.getRecord(a),b=0;b<this._subscriptions.length;b++)this._record.subscribe(this._subscriptions[b]);this._record.whenReady(this.emit.bind(this,"ready")),this.emit("nameChanged",a)},f.prototype._proxyMethod=function(a){this[a]=this._callMethodOnRecord.bind(this,a)},f.prototype._callMethodOnRecord=function(a){if(null===this._record)throw new Error("Can`t invoke "+a+". AnonymousRecord not initialised. Call setName first");if("function"!=typeof this._record[a])throw new Error(a+" is not a method on the record");var b=Array.prototype.slice.call(arguments,1);return this._record[a].apply(this._record,b)},b.exports=f},{"./record":46,"component-emitter":1}],43:[function(a,b,c){var d=a("../utils/utils"),e=/[\.\[\]]/g,f="*",g=function(a,b){this._record=a,this._path=String(b),this._tokens=[],this._tokenize()};g.prototype.getValue=function(){var a,b=this._record._$data;for(a=0;a<this._tokens.length;a++){if(void 0===b[this._tokens[a]])return;b=b[this._tokens[a]]}return b},g.prototype.setValue=function(a){var b,c=this._record._$data;for(b=0;b<this._tokens.length-1;b++)c=void 0!==c[this._tokens[b]]?c[this._tokens[b]]:this._tokens[b+1]&&!isNaN(this._tokens[b+1])?c[this._tokens[b]]=[]:c[this._tokens[b]]={};c[this._tokens[b]]=a},g.prototype._tokenize=function(){var a,b,c=this._path.split(e);for(b=0;b<c.length;b++)a=d.trim(c[b]),0!==a.length&&(isNaN(a)?a!==f?this._tokens.push(a):this._tokens.push(!0):this._tokens.push(parseInt(a,10)))},b.exports=g},{"../utils/utils":54}],44:[function(a,b,c){var d=a("component-emitter"),e=a("./record"),f=a("../constants/constants"),g="entry-added",h="entry-removed",i="entry-moved",j=function(a,b,c){this._recordHandler=a,this._record=this._recordHandler.getRecord(b,c),
-this._record._applyUpdate=this._applyUpdate.bind(this),this._record.on("delete",this.emit.bind(this,"delete")),this._record.on("discard",this._onDiscard.bind(this)),this._record.on("ready",this._onReady.bind(this)),this.isDestroyed=this._record.isDestroyed,this.isReady=this._record.isReady,this.name=b,this._queuedMethods=[],this._beforeStructure=null,this._hasAddListener=null,this._hasRemoveListener=null,this._hasMoveListener=null,this["delete"]=this._record["delete"].bind(this._record),this.discard=this._record.discard.bind(this._record),this.whenReady=this._record.whenReady.bind(this)};d(j.prototype),j.prototype.getEntries=function(){var a=this._record.get();return a instanceof Array?a:[]},j.prototype.isEmpty=function(){return 0===this.getEntries().length},j.prototype.setEntries=function(a){var b,c="entries must be an array of record names";if(!(a instanceof Array))throw new Error(c);for(b=0;b<a.length;b++)if("string"!=typeof a[b])throw new Error(c);this._record.isReady===!1?this._queuedMethods.push(this.setEntries.bind(this,a)):(this._beforeChange(),this._record.set(a),this._afterChange())},j.prototype.removeEntry=function(a,b){if(this._record.isReady===!1)return void this._queuedMethods.push(this.removeEntry.bind(this,a));var c,d=this._record.get(),e=this._hasIndex(b),f=[];for(c=0;c<d.length;c++)(d[c]!==a||e&&b!==c)&&f.push(d[c]);this._beforeChange(),this._record.set(f),this._afterChange()},j.prototype.addEntry=function(a,b){if("string"!=typeof a)throw new Error("Entry must be a recordName");if(this._record.isReady===!1)return void this._queuedMethods.push(this.addEntry.bind(this,a));var c=this._hasIndex(b),d=this.getEntries();c?d.splice(b,0,a):d.push(a),this._beforeChange(),this._record.set(d),this._afterChange()},j.prototype.subscribe=function(){var a=e.prototype._normalizeArguments(arguments);if(a.path)throw new Error("path is not supported for List.subscribe");var b=function(a){a(this.getEntries())}.bind(this,a.callback);a.callback.wrappedCallback=b,a.callback=b,this._record.subscribe(a)},j.prototype.unsubscribe=function(){var a=e.prototype._normalizeArguments(arguments);if(a.path)throw new Error("path is not supported for List.unsubscribe");a.callback=a.callback.wrappedCallback,this._record.unsubscribe(a)},j.prototype._onReady=function(){this.isReady=!0;for(var a=0;a<this._queuedMethods.length;a++)this._queuedMethods[a]();this.emit("ready")},j.prototype._onDiscard=function(){this.isDestroyed=!0,this.emit("discard")},j.prototype._applyUpdate=function(a){if(a.action===f.ACTIONS.PATCH)throw new Error("PATCH is not supported for Lists");"["!==a.data[2].charAt(0)&&(a.data[2]="[]"),this._beforeChange(),e.prototype._applyUpdate.call(this._record,a),this._afterChange()},j.prototype._hasIndex=function(a){var b=!1,c=this.getEntries();if(void 0!==a){if(isNaN(a))throw new Error("Index must be a number");if(a!==c.length&&(a>=c.length||a<0))throw new Error("Index must be within current entries");b=!0}return b},j.prototype._beforeChange=function(){this._hasAddListener=this.listeners(g).length>0,this._hasRemoveListener=this.listeners(h).length>0,this._hasMoveListener=this.listeners(i).length>0,this._hasAddListener||this._hasRemoveListener||this._hasMoveListener?this._beforeStructure=this._getStructure():this._beforeStructure=null},j.prototype._afterChange=function(){if(null!==this._beforeStructure){var a,b,c=this._getStructure(),d=this._beforeStructure;if(this._hasRemoveListener)for(a in d)for(b=0;b<d[a].length;b++)void 0!==c[a]&&void 0!==c[a][b]||this.emit(h,a,d[a][b]);if(this._hasAddListener||this._hasMoveListener)for(a in c)if(void 0===d[a])for(b=0;b<c[a].length;b++)this.emit(g,a,c[a][b]);else for(b=0;b<c[a].length;b++)d[a][b]!==c[a][b]&&(void 0===d[a][b]?this.emit(g,a,c[a][b]):this.emit(i,a,c[a][b]))}},j.prototype._getStructure=function(){var a,b={},c=this._record.get();for(a=0;a<c.length;a++)void 0===b[c[a]]?b[c[a]]=[a]:b[c[a]].push(a);return b},b.exports=j},{"../constants/constants":35,"./record":46,"component-emitter":1}],45:[function(a,b,c){var d=a("./record"),e=a("./anonymous-record"),f=a("./list"),g=a("../utils/listener"),h=a("../utils/single-notifier"),i=a("../constants/constants"),j=a("../message/message-parser"),k=a("component-emitter"),l=function(a,b,c){this._options=a,this._connection=b,this._client=c,this._records={},this._lists={},this._listener={},this._destroyEventEmitter=new k,this._hasRegistry=new h(c,b,i.TOPIC.RECORD,i.ACTIONS.HAS,this._options.recordReadTimeout),this._snapshotRegistry=new h(c,b,i.TOPIC.RECORD,i.ACTIONS.SNAPSHOT,this._options.recordReadTimeout)};l.prototype.getRecord=function(a,b){return this._records[a]||(this._records[a]=new d(a,b||{},this._connection,this._options,this._client),this._records[a].on("error",this._onRecordError.bind(this,a)),this._records[a].on("destroyPending",this._onDestroyPending.bind(this,a)),this._records[a].on("delete",this._removeRecord.bind(this,a)),this._records[a].on("discard",this._removeRecord.bind(this,a))),this._records[a].usages++,this._records[a]},l.prototype.getList=function(a,b){return this._lists[a]?this._records[a].usages++:this._lists[a]=new f(this,a,b),this._lists[a]},l.prototype.getAnonymousRecord=function(){return new e(this)},l.prototype.listen=function(a,b){return this._listener[a]&&!this._listener[a].destroyPending?this._client._$onError(i.TOPIC.RECORD,i.EVENT.LISTENER_EXISTS,a):(this._listener[a]&&this._listener[a].destroy(),void(this._listener[a]=new g(i.TOPIC.RECORD,a,b,this._options,this._client,this._connection)))},l.prototype.unlisten=function(a){var b=this._listener[a];b&&!b.destroyPending?b.sendDestroy():this._client._$onError(i.TOPIC.RECORD,i.EVENT.NOT_LISTENING,a)},l.prototype.snapshot=function(a,b){this._records[a]&&this._records[a].isReady?b(null,this._records[a].get()):this._snapshotRegistry.request(a,b)},l.prototype.has=function(a,b){this._records[a]?b(null,!0):this._hasRegistry.request(a,b)},l.prototype._$handle=function(a){var b;if(a.action===i.ACTIONS.ERROR&&a.data[0]!==i.EVENT.VERSION_EXISTS&&a.data[0]!==i.ACTIONS.SNAPSHOT&&a.data[0]!==i.ACTIONS.HAS&&a.data[0]!==i.EVENT.MESSAGE_DENIED)return a.processedError=!0,void this._client._$onError(i.TOPIC.RECORD,a.data[0],a.data[1]);if(a.action===i.ACTIONS.ACK||a.action===i.ACTIONS.ERROR){if(b=a.data[1],a.data[0]===i.ACTIONS.DELETE||a.data[0]===i.ACTIONS.UNSUBSCRIBE||a.data[0]===i.EVENT.MESSAGE_DENIED&&a.data[2]===i.ACTIONS.DELETE)return this._destroyEventEmitter.emit("destroy_ack_"+b,a),void(a.data[0]===i.ACTIONS.DELETE&&this._records[b]&&this._records[b]._$onMessage(a));if(a.data[0]===i.ACTIONS.SNAPSHOT)return a.processedError=!0,void this._snapshotRegistry.recieve(b,a.data[2]);if(a.data[0]===i.ACTIONS.HAS)return a.processedError=!0,void this._snapshotRegistry.recieve(b,a.data[2])}else b=a.data[0];var c=!1;this._records[b]&&(c=!0,this._records[b]._$onMessage(a)),a.action===i.ACTIONS.READ&&this._snapshotRegistry.hasRequest(b)&&(c=!0,this._snapshotRegistry.recieve(b,null,JSON.parse(a.data[2]))),a.action===i.ACTIONS.HAS&&this._hasRegistry.hasRequest(b)&&(c=!0,this._hasRegistry.recieve(b,null,j.convertTyped(a.data[1]))),a.action===i.ACTIONS.ACK&&a.data[0]===i.ACTIONS.UNLISTEN&&this._listener[b]&&this._listener[b].destroyPending?(c=!0,this._listener[b].destroy(),delete this._listener[b]):this._listener[b]?(c=!0,this._listener[b]._$onMessage(a)):a.action===i.ACTIONS.SUBSCRIPTION_FOR_PATTERN_REMOVED?c=!0:a.action===i.ACTIONS.SUBSCRIPTION_HAS_PROVIDER&&(c=!0),c||this._client._$onError(i.TOPIC.RECORD,i.EVENT.UNSOLICITED_MESSAGE,b)},l.prototype._onRecordError=function(a,b){this._client._$onError(i.TOPIC.RECORD,b,a)},l.prototype._onDestroyPending=function(a){var b=this._records[a]._$onMessage.bind(this._records[a]);this._destroyEventEmitter.once("destroy_ack_"+a,b),this._removeRecord(a)},l.prototype._removeRecord=function(a){delete this._records[a],delete this._lists[a]},b.exports=l},{"../constants/constants":35,"../message/message-parser":41,"../utils/listener":51,"../utils/single-notifier":53,"./anonymous-record":42,"./list":44,"./record":46,"component-emitter":1}],46:[function(a,b,c){var d=a("./json-path"),e=a("../utils/utils"),f=a("../utils/resubscribe-notifier"),g=a("component-emitter"),h=a("../constants/constants"),i=a("../message/message-builder"),j=a("../message/message-parser"),k="ALL_EVENT",l=function(a,b,c,d,e){this.name=a,this.usages=0,this._recordOptions=b,this._connection=c,this._client=e,this._options=d,this.isReady=!1,this.isDestroyed=!1,this.hasProvider=!1,this._$data={},this.version=null,this._paths={},this._oldValue=null,this._oldPathValues=null,this._eventEmitter=new g,this._queuedMethodCalls=[],this._mergeStrategy=null,d.mergeStrategy&&this.setMergeStrategy(d.mergeStrategy),this._resubscribeNotifier=new f(this._client,this._sendRead.bind(this)),this._readAckTimeout=setTimeout(this._onTimeout.bind(this,h.EVENT.ACK_TIMEOUT),this._options.recordReadAckTimeout),this._readTimeout=setTimeout(this._onTimeout.bind(this,h.EVENT.RESPONSE_TIMEOUT),this._options.recordReadTimeout),this._sendRead()};g(l.prototype),l.prototype.setMergeStrategy=function(a){if("function"!=typeof a)throw new Error("Invalid merge strategy: Must be a Function");this._mergeStrategy=a},l.prototype.get=function(a){var b;return b=a?this._getPath(a).getValue():this._$data,e.deepCopy(b)},l.prototype.set=function(a,b){if(1===arguments.length&&"object"!=typeof a)throw new Error("Invalid record data "+a+": Record data must be an object");return this._checkDestroyed("set")?this:this.isReady?2===arguments.length&&e.deepEquals(this._getPath(a).getValue(),b)?this:1===arguments.length&&e.deepEquals(this._$data,a)?this:(this._beginChange(),this.version++,1===arguments.length?(this._$data="object"==typeof a?e.deepCopy(a):a,this._connection.sendMsg(h.TOPIC.RECORD,h.ACTIONS.UPDATE,[this.name,this.version,this._$data])):(this._getPath(a).setValue("object"==typeof b?e.deepCopy(b):b),this._connection.sendMsg(h.TOPIC.RECORD,h.ACTIONS.PATCH,[this.name,this.version,a,i.typed(b)])),this._completeChange(),this):(this._queuedMethodCalls.push({method:"set",args:arguments}),this)},l.prototype.subscribe=function(a,b,c){var d=this._normalizeArguments(arguments);this._checkDestroyed("subscribe")||(d.triggerNow?this.whenReady(function(){this._eventEmitter.on(d.path||k,d.callback),d.path?d.callback(this._getPath(d.path).getValue()):d.callback(this._$data)}.bind(this)):this._eventEmitter.on(d.path||k,d.callback))},l.prototype.unsubscribe=function(a,b){var c=this._normalizeArguments(arguments);this._checkDestroyed("unsubscribe")||(c.path?this._eventEmitter.off(c.path,c.callback):this._eventEmitter.off(k,c.callback))},l.prototype.discard=function(){this.whenReady(function(){this.usages--,this.usages<=0&&(this.emit("destroyPending"),this._discardTimeout=setTimeout(this._onTimeout.bind(this,h.EVENT.ACK_TIMEOUT),this._options.subscriptionTimeout),this._connection.sendMsg(h.TOPIC.RECORD,h.ACTIONS.UNSUBSCRIBE,[this.name]))}.bind(this))},l.prototype["delete"]=function(){this._checkDestroyed("delete")||this.whenReady(function(){this.emit("destroyPending"),this._deleteAckTimeout=setTimeout(this._onTimeout.bind(this,h.EVENT.DELETE_TIMEOUT),this._options.recordDeleteTimeout),this._connection.sendMsg(h.TOPIC.RECORD,h.ACTIONS.DELETE,[this.name])}.bind(this))},l.prototype.whenReady=function(a){this.isReady===!0?a(this):this.once("ready",a.bind(this,this))},l.prototype._$onMessage=function(a){a.action===h.ACTIONS.READ?null===this.version?(clearTimeout(this._readTimeout),this._onRead(a)):this._applyUpdate(a,this._client):a.action===h.ACTIONS.ACK?this._processAckMessage(a):a.action===h.ACTIONS.UPDATE||a.action===h.ACTIONS.PATCH?this._applyUpdate(a,this._client):a.data[0]===h.EVENT.VERSION_EXISTS?this._recoverRecord(a.data[2],JSON.parse(a.data[3]),a):a.data[0]===h.EVENT.MESSAGE_DENIED?(clearInterval(this._readAckTimeout),clearInterval(this._readTimeout)):a.action===h.ACTIONS.SUBSCRIPTION_HAS_PROVIDER&&(this.hasProvider=a.data[1],this.emit("hasProviderChanged",a.data[1]))},l.prototype._recoverRecord=function(a,b,c){c.processedError=!0,this._mergeStrategy?this._mergeStrategy(this,b,a,this._onRecordRecovered.bind(this,a)):this.emit("error",h.EVENT.VERSION_EXISTS,"received update for "+a+" but version is "+this.version)},l.prototype._onRecordRecovered=function(a,b,c){b?this.emit("error",h.EVENT.VERSION_EXISTS,"received update for "+a+" but version is "+this.version):(this.version=a,this.set(c))},l.prototype._processAckMessage=function(a){var b=a.data[0];b===h.ACTIONS.SUBSCRIBE?clearTimeout(this._readAckTimeout):b===h.ACTIONS.DELETE?(this.emit("delete"),this._destroy()):b===h.ACTIONS.UNSUBSCRIBE&&(this.emit("discard"),this._destroy())},l.prototype._applyUpdate=function(a){var b,c=parseInt(a.data[1],10);if(b=a.action===h.ACTIONS.PATCH?j.convertTyped(a.data[3],this._client):JSON.parse(a.data[2]),null===this.version)this.version=c;else if(this.version+1!==c)return void(a.action===h.ACTIONS.PATCH?this._connection.sendMsg(h.TOPIC.RECORD,h.ACTIONS.SNAPSHOT,[this.name]):this._recoverRecord(c,b,a));this._beginChange(),this.version=c,a.action===h.ACTIONS.PATCH?this._getPath(a.data[2]).setValue(b):this._$data=b,this._completeChange()},l.prototype._onRead=function(a){this._beginChange(),this.version=parseInt(a.data[1],10),this._$data=JSON.parse(a.data[2]),this._completeChange(),this._setReady()},l.prototype._setReady=function(){this.isReady=!0;for(var a=0;a<this._queuedMethodCalls.length;a++)this[this._queuedMethodCalls[a].method].apply(this,this._queuedMethodCalls[a].args);this._queuedMethodCalls=[],this.emit("ready")},l.prototype._sendRead=function(){this._connection.sendMsg(h.TOPIC.RECORD,h.ACTIONS.CREATEORREAD,[this.name])},l.prototype._getPath=function(a){return this._paths[a]||(this._paths[a]=new d(this,a)),this._paths[a]},l.prototype._beginChange=function(){if(this._eventEmitter._callbacks){var a,b=Object.keys(this._eventEmitter._callbacks);for(this._oldPathValues={},this._eventEmitter.hasListeners(k)&&(this._oldValue=this.get()),a=0;a<b.length;a++)b[a]!==k&&(this._oldPathValues[b[a]]=this._getPath(b[a]).getValue())}},l.prototype._completeChange=function(){if(this._eventEmitter.hasListeners(k)&&!e.deepEquals(this._oldValue,this._$data)&&this._eventEmitter.emit(k,this.get()),this._oldValue=null,null!==this._oldPathValues){var a,b;for(a in this._oldPathValues)b=this._getPath(a).getValue(),b!==this._oldPathValues[a]&&this._eventEmitter.emit(a,b);this._oldPathValues=null}},l.prototype._normalizeArguments=function(a){var b,c={};if(1===a.length&&"object"==typeof a[0])return a[0];for(b=0;b<a.length;b++)"string"==typeof a[b]?c.path=a[b]:"function"==typeof a[b]?c.callback=a[b]:"boolean"==typeof a[b]&&(c.triggerNow=a[b]);return c},l.prototype._clearTimeouts=function(){clearTimeout(this._readAckTimeout),clearTimeout(this._deleteAckTimeout),clearTimeout(this._discardTimeout)},l.prototype._checkDestroyed=function(a){return!!this.isDestroyed&&(this.emit("error","Can't invoke '"+a+"'. Record '"+this.name+"' is already destroyed"),!0)},l.prototype._onTimeout=function(a){this._clearTimeouts(),this.emit("error",a)},l.prototype._destroy=function(){this._clearTimeouts(),this._eventEmitter.off(),this._resubscribeNotifier.destroy(),this.isDestroyed=!0,this.isReady=!1,this._client=null,this._eventEmitter=null,this._connection=null},b.exports=l},{"../constants/constants":35,"../message/message-builder":40,"../message/message-parser":41,"../utils/resubscribe-notifier":52,"../utils/utils":54,"./json-path":43,"component-emitter":1}],47:[function(a,b,c){var d=a("../constants/constants"),e=a("../utils/ack-timeout-registry"),f=a("../utils/resubscribe-notifier"),g=a("./rpc-response"),h=a("./rpc"),i=a("../message/message-parser"),j=a("../message/message-builder"),k=function(a,b,c){this._options=a,this._connection=b,this._client=c,this._rpcs={},this._providers={},this._provideAckTimeouts={},this._ackTimeoutRegistry=new e(c,d.TOPIC.RPC,this._options.subscriptionTimeout),this._resubscribeNotifier=new f(this._client,this._reprovide.bind(this))};k.prototype.provide=function(a,b){if(this._providers[a])throw new Error("RPC "+a+" already registered");this._ackTimeoutRegistry.add(a,d.ACTIONS.SUBSCRIBE),this._providers[a]=b,this._connection.sendMsg(d.TOPIC.RPC,d.ACTIONS.SUBSCRIBE,[a])},k.prototype.unprovide=function(a){this._providers[a]&&(delete this._providers[a],this._ackTimeoutRegistry.add(a,d.ACTIONS.UNSUBSCRIBE),this._connection.sendMsg(d.TOPIC.RPC,d.ACTIONS.UNSUBSCRIBE,[a]))},k.prototype.make=function(a,b,c){var e=this._client.getUid(),f=j.typed(b);this._rpcs[e]=new h(this._options,c,this._client),this._connection.sendMsg(d.TOPIC.RPC,d.ACTIONS.REQUEST,[a,e,f])},k.prototype._getRpc=function(a,b,c){var e=this._rpcs[a];return e?e:(this._client._$onError(d.TOPIC.RPC,d.EVENT.UNSOLICITED_MESSAGE,c),null)},k.prototype._respondToRpc=function(a){var b,c=a.data[0],e=a.data[1],f=null;a.data[2]&&(f=i.convertTyped(a.data[2],this._client)),this._providers[c]?(b=new g(this._connection,c,e),this._providers[c](f,b)):this._connection.sendMsg(d.TOPIC.RPC,d.ACTIONS.REJECTION,[c,e])},k.prototype._$handle=function(a){var b,c,e;if(a.action===d.ACTIONS.REQUEST)return void this._respondToRpc(a);if(a.action===d.ACTIONS.ACK&&(a.data[0]===d.ACTIONS.SUBSCRIBE||a.data[0]===d.ACTIONS.UNSUBSCRIBE))return void this._ackTimeoutRegistry.clear(a);if(a.action===d.ACTIONS.ERROR){if(a.data[0]===d.EVENT.MESSAGE_PERMISSION_ERROR)return;if(a.data[0]===d.EVENT.MESSAGE_DENIED){if(a.data[2]===d.ACTIONS.SUBSCRIBE)return;a.data[2]===d.ACTIONS.REQUEST&&(b=a.data[1],c=a.data[3])}else b=a.data[1],c=a.data[2]}else b=a.data[0],c=a.data[1];e=this._getRpc(c,b,a.raw),null!==e&&(a.action===d.ACTIONS.ACK?e.ack():a.action===d.ACTIONS.RESPONSE?(e.respond(a.data[2]),delete this._rpcs[c]):a.action===d.ACTIONS.ERROR&&(a.processedError=!0,e.error(a.data[0]),delete this._rpcs[c]))},k.prototype._reprovide=function(){for(var a in this._providers)this._connection.sendMsg(d.TOPIC.RPC,d.ACTIONS.SUBSCRIBE,[a])},b.exports=k},{"../constants/constants":35,"../message/message-builder":40,"../message/message-parser":41,"../utils/ack-timeout-registry":50,"../utils/resubscribe-notifier":52,"./rpc":49,"./rpc-response":48}],48:[function(a,b,c){var d=a("../constants/constants"),e=a("../utils/utils"),f=a("../message/message-builder"),g=function(a,b,c){this._connection=a,this._name=b,this._correlationId=c,this._isAcknowledged=!1,this._isComplete=!1,this.autoAck=!0,e.nextTick(this._performAutoAck.bind(this))};g.prototype.ack=function(){this._isAcknowledged===!1&&(this._connection.sendMsg(d.TOPIC.RPC,d.ACTIONS.ACK,[this._name,this._correlationId]),this._isAcknowledged=!0)},g.prototype.reject=function(){this.autoAck=!1,this._isComplete=!0,this._isAcknowledged=!0,this._connection.sendMsg(d.TOPIC.RPC,d.ACTIONS.REJECTION,[this._name,this._correlationId])},g.prototype.error=function(a){this.autoAck=!1,this._isComplete=!0,this._isAcknowledged=!0,this._connection.sendMsg(d.TOPIC.RPC,d.ACTIONS.ERROR,[a,this._name,this._correlationId])},g.prototype.send=function(a){if(this._isComplete===!0)throw new Error("Rpc "+this._name+" already completed");var b=f.typed(a);this._connection.sendMsg(d.TOPIC.RPC,d.ACTIONS.RESPONSE,[this._name,this._correlationId,b]),this._isComplete=!0},g.prototype._performAutoAck=function(){this.autoAck===!0&&this.ack()},b.exports=g},{"../constants/constants":35,"../message/message-builder":40,"../utils/utils":54}],49:[function(a,b,c){var d=a("../constants/constants"),e=a("../message/message-parser"),f=function(a,b,c){this._options=a,this._callback=b,this._client=c,this._ackTimeout=setTimeout(this.error.bind(this,d.EVENT.ACK_TIMEOUT),this._options.rpcAckTimeout),this._responseTimeout=setTimeout(this.error.bind(this,d.EVENT.RESPONSE_TIMEOUT),this._options.rpcResponseTimeout)};f.prototype.ack=function(){clearTimeout(this._ackTimeout)},f.prototype.respond=function(a){var b=e.convertTyped(a,this._client);this._callback(null,b),this._complete()},f.prototype.error=function(a){this._callback(a),this._complete()},f.prototype._complete=function(){clearTimeout(this._ackTimeout),clearTimeout(this._responseTimeout)},b.exports=f},{"../constants/constants":35,"../message/message-parser":41}],50:[function(a,b,c){var d=a("../constants/constants"),e=a("component-emitter"),f=function(a,b,c){this._client=a,this._topic=b,this._timeoutDuration=c,this._register={}};e(f.prototype),f.prototype.add=function(a,b){var c=b?b+a:a;this._register[c]&&this.clear({data:[b,a]}),this._register[c]=setTimeout(this._onTimeout.bind(this,c,a),this._timeoutDuration)},f.prototype.clear=function(a){var b=a.data[1],c=a.data[0]+b,e=this._register[c]||this._register[b];e?clearTimeout(e):this._client._$onError(this._topic,d.EVENT.UNSOLICITED_MESSAGE,a.raw)},f.prototype._onTimeout=function(a,b){delete this._register[a];var c="No ACK message received in time for "+b;this._client._$onError(this._topic,d.EVENT.ACK_TIMEOUT,c),this.emit("timeout",b)},b.exports=f},{"../constants/constants":35,"component-emitter":1}],51:[function(a,b,c){var d=a("../constants/constants"),e=a("./resubscribe-notifier"),f=function(a,b,c,d,f,g){this._type=a,this._callback=c,this._pattern=b,this._options=d,this._client=f,this._connection=g,this._ackTimeout=setTimeout(this._onAckTimeout.bind(this),this._options.subscriptionTimeout),this._resubscribeNotifier=new e(f,this._sendListen.bind(this)),this._sendListen(),this._responded=null,this.destroyPending=!1};f.prototype.sendDestroy=function(){this.destroyPending=!0,this._connection.sendMsg(this._type,d.ACTIONS.UNLISTEN,[this._pattern]),this._resubscribeNotifier.destroy()},f.prototype.destroy=function(){this._callback=null,this._pattern=null,this._client=null,this._connection=null},f.prototype.accept=function(a){this._connection.sendMsg(this._type,d.ACTIONS.LISTEN_ACCEPT,[this._pattern,a]),this._responded=!0},f.prototype.reject=function(a){this._connection.sendMsg(this._type,d.ACTIONS.LISTEN_REJECT,[this._pattern,a]),this._responded=!0},f.prototype._createCallbackResponse=function(a){return{accept:this.accept.bind(this,a.data[1]),reject:this.reject.bind(this,a.data[1])}},f.prototype._$onMessage=function(a){if(a.action===d.ACTIONS.ACK?clearTimeout(this._ackTimeout):a.action===d.ACTIONS.SUBSCRIPTION_FOR_PATTERN_FOUND?this._callback(a.data[1],!0,this._createCallbackResponse(a)):a.action===d.ACTIONS.SUBSCRIPTION_FOR_PATTERN_REMOVED?this._callback(a.data[1],!1):this._client._$onError(this._type,d.EVENT.UNSOLICITED_MESSAGE,a.data[0]+"|"+a.data[1]),a.action===d.ACTIONS.SUBSCRIPTION_FOR_PATTERN_FOUND&&this._responded!==!0){var b="DEPRECATED: listen should explicitly accept or reject for pattern: "+a.data[0];b+="\nhttps://github.com/deepstreamIO/deepstream.io-client-js/issues/212",console&&console.warn&&console.warn(b)}},f.prototype._sendListen=function(){this._connection.sendMsg(this._type,d.ACTIONS.LISTEN,[this._pattern])},f.prototype._onAckTimeout=function(){this._client._$onError(this._type,d.EVENT.ACK_TIMEOUT,"No ACK message received in time for "+this._pattern)},b.exports=f},{"../constants/constants":35,"./resubscribe-notifier":52}],52:[function(a,b,c){var d=a("../constants/constants"),e=function(a,b){this._client=a,this._resubscribe=b,this._isReconnecting=!1,this._connectionStateChangeHandler=this._handleConnectionStateChanges.bind(this),this._client.on("connectionStateChanged",this._connectionStateChangeHandler)};e.prototype.destroy=function(){this._client.removeListener("connectionStateChanged",this._connectionStateChangeHandler),this._connectionStateChangeHandler=null,this._client=null},e.prototype._handleConnectionStateChanges=function(){var a=this._client.getConnectionState();a===d.CONNECTION_STATE.RECONNECTING&&this._isReconnecting===!1&&(this._isReconnecting=!0),a===d.CONNECTION_STATE.OPEN&&this._isReconnecting===!0&&(this._isReconnecting=!1,this._resubscribe())},b.exports=e},{"../constants/constants":35}],53:[function(a,b,c){var d=a("../constants/constants"),e=a("./resubscribe-notifier"),f=function(a,b,c,d,f){this._client=a,this._connection=b,this._topic=c,this._action=d,this._timeoutDuration=f,this._requests={},this._resubscribeNotifier=new e(this._client,this._resendRequests.bind(this))};f.prototype.hasRequest=function(a){return!!this._requests[a]},f.prototype.request=function(a,b){var c;this._requests[a]||(this._requests[a]=[],this._connection.sendMsg(this._topic,this._action,[a])),c=setTimeout(this._onResponseTimeout.bind(this,a),this._timeoutDuration),this._requests[a].push({timeout:c,callback:b})},f.prototype.recieve=function(a,b,c){var d=this._requests[a];for(i=0;i<d.length;i++)entry=d[i],clearTimeout(entry.timeout),entry.callback(b,c);delete this._requests[a]},f.prototype._onResponseTimeout=function(a){var b="No response received in time for "+this._topic+"|"+this._action+"|"+a;this._client._$onError(this._topic,d.EVENT.RESPONSE_TIMEOUT,b)},f.prototype._resendRequests=function(){for(var a in this._requests)this._connection.sendMsg(this._topic,this._action,[this._requests[a]])},b.exports=f},{"../constants/constants":35,"./resubscribe-notifier":52}],54:[function(a,b,c){(function(a){var b=/^[\s\uFEFF\xA0]+|[\s\uFEFF\xA0]+$/g,d="object";c.isNode="undefined"!=typeof a&&"[object process]"===a.toString(),c.nextTick=function(b){c.isNode?a.nextTick(b):setTimeout(b,0)},c.trim=function(a){return a.trim?a.trim():a.replace(b,"")},c.deepEquals=function(a,b){return typeof a!==d||typeof b!==d?a===b:JSON.stringify(a)===JSON.stringify(b)},c.deepCopy=function(a){return typeof a===d?JSON.parse(JSON.stringify(a)):a}}).call(this,a("_process"))},{_process:33}],55:[function(a,b,c){var d=a("./webrtc-connection"),e=a("component-emitter"),f=a("../constants/constants"),g=function(a,b){this._connection=a.connection,this._localId=a.localId,this._remoteId=a.remoteId,this._localStream=a.localStream,this._offer=a.offer,this._$webRtcConnection=null,this._bufferedIceCandidates=[],this._options=b,this.state=f.CALL_STATE.INITIAL,this.metaData=a.metaData||null,this.callee=a.isOutgoing?a.remoteId:a.localId,this.isOutgoing=a.isOutgoing,this.isIncoming=!a.isOutgoing,this.isAccepted=!1,this.isDeclined=!1,this.isOutgoing&&this._initiate()};e(g.prototype),g.prototype.accept=function(a){if(this.isAccepted)throw new Error("Incoming call is already accepted");if(this.isDeclined)throw new Error("Can't accept incoming call. Call was already declined");this.isAccepted=!0,this._$webRtcConnection=new d(this._connection,this._options,this._localId,this._remoteId),a&&this._$webRtcConnection.addStream(a),this._$webRtcConnection.setRemoteDescription(new RTCSessionDescription(this._offer)),this._$webRtcConnection.createAnswer(),this._$webRtcConnection.on("stream",this._onEstablished.bind(this)),this._$webRtcConnection.on("error",this.emit.bind(this,"error"));for(var b=0;b<this._bufferedIceCandidates.length;b++)this._$webRtcConnection.addIceCandidate(this._bufferedIceCandidates[b]);this._bufferedIceCandidates=[],this._stateChange(f.CALL_STATE.ACCEPTED)},g.prototype.decline=function(a){if(this.isAccepted)throw new Error("Can't decline incoming call. Call was already accepted");if(this.isDeclined)throw new Error("Incoming call was already declined");this.isDeclined=!0,this._connection.sendMsg(f.TOPIC.WEBRTC,f.ACTIONS.WEBRTC_CALL_DECLINED,[this._localId,this._remoteId,a||null]),this._$declineReceived(a||null)},g.prototype.end=function(){this._connection.sendMsg(f.TOPIC.WEBRTC,f.ACTIONS.WEBRTC_CALL_ENDED,[this._localId,this._remoteId,null]),this._$close()},g.prototype._$close=function(){this._stateChange(f.CALL_STATE.ENDED),this._$webRtcConnection&&this._$webRtcConnection.close(),this.emit("ended")},g.prototype._$addIceCandidate=function(a){this.isIncoming&&this.isAccepted===!1?this._bufferedIceCandidates.push(a):this._$webRtcConnection.addIceCandidate(a)},g.prototype._$declineReceived=function(a){this.isDeclined=!0,this.isAccepted=!1,this._stateChange(f.CALL_STATE.DECLINED),this.emit("declined",a)},g.prototype._stateChange=function(a){this.state=a,this.emit("stateChange",a)},g.prototype._initiate=function(){this._stateChange(f.CALL_STATE.CONNECTING),this._$webRtcConnection=new d(this._connection,this._options,this._localId,this._remoteId),this._$webRtcConnection.initiate(this._localStream,this.metaData),this._$webRtcConnection.on("stream",this._onEstablished.bind(this))},g.prototype._onEstablished=function(a){this.isDeclined=!1,this.isAccepted=!0,this._stateChange(f.CALL_STATE.ESTABLISHED),this.emit("established",a)},b.exports=g},{"../constants/constants":35,"./webrtc-connection":56,"component-emitter":1}],56:[function(a,b,c){var d=a("component-emitter"),e=a("../constants/constants"),f=function(){},g=function(a,b,c,d){this._connection=a,this._remoteId=d,this._localId=c,this._peerConnection=new RTCPeerConnection(b.rtcPeerConnectionConfig),this._peerConnection.onaddstream=this._onStream.bind(this),this._peerConnection.onicecandidate=this._onIceCandidate.bind(this),this._peerConnection.oniceconnectionstatechange=this._onIceConnectionStateChange.bind(this),this._constraints={mandatory:{OfferToReceiveAudio:!0,OfferToReceiveVideo:!0}}};d(g.prototype),g.prototype.initiate=function(a,b){this._peerConnection.addStream(a),this._peerConnection.createOffer(this._onOfferCreated.bind(this,b),this._onError.bind(this))},g.prototype.close=function(){this._peerConnection.close()},g.prototype.addStream=function(a){this._peerConnection.addStream(a)},g.prototype.setRemoteDescription=function(a){this._peerConnection.setRemoteDescription(a,f,this._onError.bind(this))},g.prototype.createAnswer=function(){this._peerConnection.createAnswer(this._onAnswerCreated.bind(this),this._onError.bind(this),this._constraints)},g.prototype.addIceCandidate=function(a){this._peerConnection.addIceCandidate(a,f,this._onError.bind(this))},g.prototype._onStream=function(a){this.emit("stream",a.stream)},g.prototype._onOfferCreated=function(a,b){this._sendMsg(e.ACTIONS.WEBRTC_OFFER,JSON.stringify({sdp:b.sdp,type:b.type,meta:a})),this._peerConnection.setLocalDescription(b,f,this._onError.bind(this))},g.prototype._onAnswerCreated=function(a){this._sendMsg(e.ACTIONS.WEBRTC_ANSWER,a.toJSON()),this._peerConnection.setLocalDescription(a,f,this._onError.bind(this))},g.prototype._sendMsg=function(a,b){this._connection.sendMsg(e.TOPIC.WEBRTC,a,[this._localId,this._remoteId,b])},g.prototype._onIceCandidate=function(a){a.candidate&&this._sendMsg(e.ACTIONS.WEBRTC_ICE_CANDIDATE,a.candidate.toJSON())},g.prototype._onIceConnectionStateChange=function(){"disconnected"===this._peerConnection.iceConnectionState&&this._connection.sendMsg(e.TOPIC.WEBRTC,e.ACTIONS.WEBRTC_IS_ALIVE,[this._remoteId])},g.prototype._onError=function(a){this.emit("error",a)},b.exports=g},{"../constants/constants":35,"component-emitter":1}],57:[function(a,b,c){var d=a("../constants/constants"),e=(a("./webrtc-connection"),a("./webrtc-call")),f=a("../utils/ack-timeout-registry"),g="callee-update",h=function(a,b,c){this._options=a,this._connection=b,this._client=c,this._localCallees={},this._remoteCallees=[],this._remoteCalleesCallback=null,this._ackTimeoutRegistry=new f(c,d.TOPIC.WEBRTC,this._options.calleeAckTimeout),this._ackTimeoutRegistry.on("timeout",this._removeCallee.bind(this)),this._calls={}};h.prototype.registerCallee=function(a,b){if(this._checkCompatibility(),"string"!=typeof a)throw new Error("Invalid callee name "+a);if("function"!=typeof b)throw new Error("Callback is not a function");if(this._localCallees[a])throw new Error("Callee "+a+" is already registered");this._localCallees[a]=b,this._ackTimeoutRegistry.add(a),this._connection.sendMsg(d.TOPIC.WEBRTC,d.ACTIONS.WEBRTC_REGISTER_CALLEE,[a])},h.prototype.unregisterCallee=function(a){if(!this._localCallees[a])throw new Error("Callee is not registered");this._removeCallee(a),this._ackTimeoutRegistry.add(a),this._connection.sendMsg(d.TOPIC.WEBRTC,d.ACTIONS.WEBRTC_UNREGISTER_CALLEE,[a])},h.prototype.makeCall=function(a,b,c){if(this._checkCompatibility(),"string"!=typeof a)throw new Error("Callee must be provided as string");if("object"!=typeof b)throw new Error("metaData must be provided");if(this._calls[a])throw new Error("Call with "+a+" is already in progress");
-var d=this._client.getUid();return this._ackTimeoutRegistry.add(d),this._createCall(a,{isOutgoing:!0,connection:this._connection,localId:d,remoteId:a,localStream:c,offer:null,metaData:b})},h.prototype.listenForCallees=function(a){if(null!==this._remoteCalleesCallback)throw new Error("Already listening for callees");this._remoteCalleesCallback=a,this._ackTimeoutRegistry.add(g),this._connection.sendMsg(d.TOPIC.WEBRTC,d.ACTIONS.WEBRTC_LISTEN_FOR_CALLEES)},h.prototype.unlistenForCallees=function(){if(!this._remoteCalleesCallback)throw new Error("Not listening for callees");this._remoteCalleesCallback=null,this._ackTimeoutRegistry.add(g),this._connection.sendMsg(d.TOPIC.WEBRTC,d.ACTIONS.WEBRTC_UNLISTEN_FOR_CALLEES)},h.prototype._handleIncomingCall=function(a){var b=a.data[0],c=a.data[1],d=JSON.parse(a.data[2]),e=this._createCall(b,{isOutgoing:!1,connection:this._connection,localId:c,remoteId:b,localStream:null,metaData:d.meta,offer:d});this._localCallees[c](e,d.meta)},h.prototype._removeCall=function(a){delete this._calls[a]},h.prototype._createCall=function(a,b){return this._calls[a]=new e(b,this._options),this._calls[a].on("ended",this._removeCall.bind(this,a)),this._calls[a]},h.prototype._isValidMessage=function(a){return 3===a.data.length&&"string"==typeof a.data[0]&&"string"==typeof a.data[1]&&"string"==typeof a.data[2]},h.prototype._isCalleeUpdate=function(a){return a.action===d.ACTIONS.WEBRTC_ALL_CALLEES||a.action===d.ACTIONS.WEBRTC_CALLEE_ADDED||a.action===d.ACTIONS.WEBRTC_CALLEE_REMOVED},h.prototype._checkCompatibility=function(){if("undefined"==typeof RTCPeerConnection||"undefined"==typeof RTCSessionDescription||"undefined"==typeof RTCIceCandidate){var a="RTC global objects not detected. \n";throw a+="deepstream expects a standardized WebRtc implementation (e.g. no vendor prefixes etc.) \n",a+="until WebRtc is fully supported, we recommend including the official WebRTC adapter script \n",a+="which can be found at https://github.com/webrtc/adapter",new Error(a)}},h.prototype._removeCallee=function(a){delete this._localCallees[a]},h.prototype._processCalleeUpdate=function(a){if(null===this._remoteCalleesCallback)return void this._client._$onError(d.TOPIC.WEBRTC,d.EVENT.UNSOLICITED_MESSAGE,a.raw);a.action===d.ACTIONS.WEBRTC_ALL_CALLEES&&(this._remoteCallees=a.data);var b=this._remoteCallees.indexOf(a.data[0]);if(a.action===d.ACTIONS.WEBRTC_CALLEE_ADDED){if(b!==-1)return;this._remoteCallees.push(a.data[0])}else if(a.action===d.ACTIONS.WEBRTC_CALLEE_REMOVED){if(b===-1)return;this._remoteCallees.splice(b,1)}this._remoteCalleesCallback(this._remoteCallees)},h.prototype._$handle=function(a){var b,c,e;return a.action===d.ACTIONS.ERROR?void this._client._$onError(d.TOPIC.WEBRTC,a.data[0],a.data[1]):a.action===d.ACTIONS.ACK?void this._ackTimeoutRegistry.clear(a):this._isCalleeUpdate(a)?void this._processCalleeUpdate(a):a.action===d.ACTIONS.WEBRTC_IS_ALIVE?void("false"===a.data[1]&&this._calls[a.data[0]]&&this._calls[a.data[0]]._$close()):this._isValidMessage(a)?a.action===d.ACTIONS.WEBRTC_OFFER?void this._handleIncomingCall(a):(b=this._calls[a.data[0]]||this._calls[a.data[1]])?a.action===d.ACTIONS.WEBRTC_ANSWER?(c=new RTCSessionDescription(JSON.parse(a.data[2])),void b._$webRtcConnection.setRemoteDescription(c)):a.action===d.ACTIONS.WEBRTC_ICE_CANDIDATE?(e=new RTCIceCandidate(JSON.parse(a.data[2])),void b._$addIceCandidate(e)):a.action===d.ACTIONS.WEBRTC_CALL_DECLINED?void b._$declineReceived(a.data[2]):a.action===d.ACTIONS.WEBRTC_CALL_ENDED?void b._$close():void this._client._$onError(d.TOPIC.WEBRTC,d.EVENT.EVENT.MESSAGE_PARSE_ERROR,"unsupported action "+a.action):void this._client._$onError(d.TOPIC.WEBRTC,d.EVENT.UNSOLICITED_MESSAGE,a.raw):void this._client._$onError(d.TOPIC.WEBRTC,d.EVENT.MESSAGE_PARSE_ERROR,a)},b.exports=h},{"../constants/constants":35,"../utils/ack-timeout-registry":50,"./webrtc-call":55,"./webrtc-connection":56}]},{},[34])(34)});
\ No newline at end of file
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b,d;for(b=0,d=c.skips.length;b<d;b++)if(c.skips[b].test(a))return!1;for(b=0,d=c.names.length;b<d;b++)if(c.names[b].test(a))return!0;return!1}function i(a){return a instanceof Error?a.stack||a.message:a}c=b.exports=e,c.coerce=i,c.disable=g,c.enable=f,c.enabled=h,c.humanize=a("ms"),c.names=[],c.skips=[],c.formatters={};var j,k=0},{ms:28}],9:[function(a,b,c){b.exports=a("./lib/")},{"./lib/":10}],10:[function(a,b,c){b.exports=a("./socket"),b.exports.parser=a("engine.io-parser")},{"./socket":11,"engine.io-parser":19}],11:[function(a,b,c){(function(c){function d(a,b){if(!(this instanceof d))return new d(a,b);b=b||{},a&&"object"==typeof a&&(b=a,a=null),a?(a=k(a),b.hostname=a.host,b.secure="https"==a.protocol||"wss"==a.protocol,b.port=a.port,a.query&&(b.query=a.query)):b.host&&(b.hostname=k(b.host).host),this.secure=null!=b.secure?b.secure:c.location&&"https:"==location.protocol,b.hostname&&!b.port&&(b.port=this.secure?"443":"80"),this.agent=b.agent||!1,this.hostname=b.hostname||(c.location?location.hostname:"localhost"),this.port=b.port||(c.location&&location.port?location.port:this.secure?443:80),this.query=b.query||{},"string"==typeof this.query&&(this.query=m.decode(this.query)),this.upgrade=!1!==b.upgrade,this.path=(b.path||"/engine.io").replace(/\/$/,"")+"/",this.forceJSONP=!!b.forceJSONP,this.jsonp=!1!==b.jsonp,this.forceBase64=!!b.forceBase64,this.enablesXDR=!!b.enablesXDR,this.timestampParam=b.timestampParam||"t",this.timestampRequests=b.timestampRequests,this.transports=b.transports||["polling","websocket"],this.readyState="",this.writeBuffer=[],this.policyPort=b.policyPort||843,this.rememberUpgrade=b.rememberUpgrade||!1,this.binaryType=null,this.onlyBinaryUpgrades=b.onlyBinaryUpgrades,this.perMessageDeflate=!1!==b.perMessageDeflate&&(b.perMessageDeflate||{}),!0===this.perMessageDeflate&&(this.perMessageDeflate={}),this.perMessageDeflate&&null==this.perMessageDeflate.threshold&&(this.perMessageDeflate.threshold=1024),this.pfx=b.pfx||null,this.key=b.key||null,this.passphrase=b.passphrase||null,this.cert=b.cert||null,this.ca=b.ca||null,this.ciphers=b.ciphers||null,this.rejectUnauthorized=void 0===b.rejectUnauthorized||b.rejectUnauthorized;var e="object"==typeof c&&c;e.global===e&&b.extraHeaders&&Object.keys(b.extraHeaders).length>0&&(this.extraHeaders=b.extraHeaders),this.open()}function e(a){var b={};for(var c in a)a.hasOwnProperty(c)&&(b[c]=a[c]);return b}var f=a("./transports"),g=a("component-emitter"),h=a("debug")("engine.io-client:socket"),i=a("indexof"),j=a("engine.io-parser"),k=a("parseuri"),l=a("parsejson"),m=a("parseqs");b.exports=d,d.priorWebsocketSuccess=!1,g(d.prototype),d.protocol=j.protocol,d.Socket=d,d.Transport=a("./transport"),d.transports=a("./transports"),d.parser=a("engine.io-parser"),d.prototype.createTransport=function(a){h('creating transport "%s"',a);var b=e(this.query);b.EIO=j.protocol,b.transport=a,this.id&&(b.sid=this.id);var c=new f[a]({agent:this.agent,hostname:this.hostname,port:this.port,secure:this.secure,path:this.path,query:b,forceJSONP:this.forceJSONP,jsonp:this.jsonp,forceBase64:this.forceBase64,enablesXDR:this.enablesXDR,timestampRequests:this.timestampRequests,timestampParam:this.timestampParam,policyPort:this.policyPort,socket:this,pfx:this.pfx,key:this.key,passphrase:this.passphrase,cert:this.cert,ca:this.ca,ciphers:this.ciphers,rejectUnauthorized:this.rejectUnauthorized,perMessageDeflate:this.perMessageDeflate,extraHeaders:this.extraHeaders});return c},d.prototype.open=function(){var a;if(this.rememberUpgrade&&d.priorWebsocketSuccess&&this.transports.indexOf("websocket")!=-1)a="websocket";else{if(0===this.transports.length){var b=this;return void setTimeout(function(){b.emit("error","No transports available")},0)}a=this.transports[0]}this.readyState="opening";try{a=this.createTransport(a)}catch(c){return this.transports.shift(),void this.open()}a.open(),this.setTransport(a)},d.prototype.setTransport=function(a){h("setting transport %s",a.name);var b=this;this.transport&&(h("clearing existing transport %s",this.transport.name),this.transport.removeAllListeners()),this.transport=a,a.on("drain",function(){b.onDrain()}).on("packet",function(a){b.onPacket(a)}).on("error",function(a){b.onError(a)}).on("close",function(){b.onClose("transport close")})},d.prototype.probe=function(a){function b(){if(m.onlyBinaryUpgrades){var b=!this.supportsBinary&&m.transport.supportsBinary;l=l||b}l||(h('probe transport "%s" opened',a),k.send([{type:"ping",data:"probe"}]),k.once("packet",function(b){if(!l)if("pong"==b.type&&"probe"==b.data){if(h('probe transport "%s" pong',a),m.upgrading=!0,m.emit("upgrading",k),!k)return;d.priorWebsocketSuccess="websocket"==k.name,h('pausing current transport "%s"',m.transport.name),m.transport.pause(function(){l||"closed"!=m.readyState&&(h("changing transport and sending upgrade packet"),j(),m.setTransport(k),k.send([{type:"upgrade"}]),m.emit("upgrade",k),k=null,m.upgrading=!1,m.flush())})}else{h('probe transport "%s" failed',a);var c=new Error("probe error");c.transport=k.name,m.emit("upgradeError",c)}}))}function c(){l||(l=!0,j(),k.close(),k=null)}function e(b){var d=new Error("probe error: "+b);d.transport=k.name,c(),h('probe transport "%s" failed because of error: %s',a,b),m.emit("upgradeError",d)}function f(){e("transport closed")}function g(){e("socket closed")}function i(a){k&&a.name!=k.name&&(h('"%s" works - aborting "%s"',a.name,k.name),c())}function j(){k.removeListener("open",b),k.removeListener("error",e),k.removeListener("close",f),m.removeListener("close",g),m.removeListener("upgrading",i)}h('probing transport "%s"',a);var k=this.createTransport(a,{probe:1}),l=!1,m=this;d.priorWebsocketSuccess=!1,k.once("open",b),k.once("error",e),k.once("close",f),this.once("close",g),this.once("upgrading",i),k.open()},d.prototype.onOpen=function(){if(h("socket open"),this.readyState="open",d.priorWebsocketSuccess="websocket"==this.transport.name,this.emit("open"),this.flush(),"open"==this.readyState&&this.upgrade&&this.transport.pause){h("starting upgrade probes");for(var a=0,b=this.upgrades.length;a<b;a++)this.probe(this.upgrades[a])}},d.prototype.onPacket=function(a){if("opening"==this.readyState||"open"==this.readyState)switch(h('socket receive: type "%s", data "%s"',a.type,a.data),this.emit("packet",a),this.emit("heartbeat"),a.type){case"open":this.onHandshake(l(a.data));break;case"pong":this.setPing(),this.emit("pong");break;case"error":var b=new Error("server error");b.code=a.data,this.onError(b);break;case"message":this.emit("data",a.data),this.emit("message",a.data)}else h('packet received with socket readyState 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a=this;this.sendPacket("ping",function(){a.emit("ping")})},d.prototype.onDrain=function(){this.writeBuffer.splice(0,this.prevBufferLen),this.prevBufferLen=0,0===this.writeBuffer.length?this.emit("drain"):this.flush()},d.prototype.flush=function(){"closed"!=this.readyState&&this.transport.writable&&!this.upgrading&&this.writeBuffer.length&&(h("flushing %d packets in socket",this.writeBuffer.length),this.transport.send(this.writeBuffer),this.prevBufferLen=this.writeBuffer.length,this.emit("flush"))},d.prototype.write=d.prototype.send=function(a,b,c){return this.sendPacket("message",a,b,c),this},d.prototype.sendPacket=function(a,b,c,d){if("function"==typeof b&&(d=b,b=void 0),"function"==typeof c&&(d=c,c=null),"closing"!=this.readyState&&"closed"!=this.readyState){c=c||{},c.compress=!1!==c.compress;var e={type:a,data:b,options:c};this.emit("packetCreate",e),this.writeBuffer.push(e),d&&this.once("flush",d),this.flush()}},d.prototype.close=function(){function a(){d.onClose("forced close"),h("socket closing - telling transport to close"),d.transport.close()}function b(){d.removeListener("upgrade",b),d.removeListener("upgradeError",b),a()}function c(){d.once("upgrade",b),d.once("upgradeError",b)}if("opening"==this.readyState||"open"==this.readyState){this.readyState="closing";var d=this;this.writeBuffer.length?this.once("drain",function(){this.upgrading?c():a()}):this.upgrading?c():a()}return this},d.prototype.onError=function(a){h("socket error %j",a),d.priorWebsocketSuccess=!1,this.emit("error",a),this.onClose("transport error",a)},d.prototype.onClose=function(a,b){if("opening"==this.readyState||"open"==this.readyState||"closing"==this.readyState){h('socket close with reason: "%s"',a);var c=this;clearTimeout(this.pingIntervalTimer),clearTimeout(this.pingTimeoutTimer),this.transport.removeAllListeners("close"),this.transport.close(),this.transport.removeAllListeners(),this.readyState="closed",this.id=null,this.emit("close",a,b),c.writeBuffer=[],c.prevBufferLen=0}},d.prototype.filterUpgrades=function(a){for(var b=[],c=0,d=a.length;c<d;c++)~i(this.transports,a[c])&&b.push(a[c]);return b}}).call(this,"undefined"!=typeof global?global:"undefined"!=typeof self?self:"undefined"!=typeof window?window:{})},{"./transport":12,"./transports":13,"component-emitter":5,debug:7,"engine.io-parser":19,indexof:26,parsejson:29,parseqs:30,parseuri:31}],12:[function(a,b,c){function d(a){this.path=a.path,this.hostname=a.hostname,this.port=a.port,this.secure=a.secure,this.query=a.query,this.timestampParam=a.timestampParam,this.timestampRequests=a.timestampRequests,this.readyState="",this.agent=a.agent||!1,this.socket=a.socket,this.enablesXDR=a.enablesXDR,this.pfx=a.pfx,this.key=a.key,this.passphrase=a.passphrase,this.cert=a.cert,this.ca=a.ca,this.ciphers=a.ciphers,this.rejectUnauthorized=a.rejectUnauthorized,this.extraHeaders=a.extraHeaders}var e=a("engine.io-parser"),f=a("component-emitter");b.exports=d,f(d.prototype),d.prototype.onError=function(a,b){var c=new Error(a);return c.type="TransportError",c.description=b,this.emit("error",c),this},d.prototype.open=function(){return"closed"!=this.readyState&&""!=this.readyState||(this.readyState="opening",this.doOpen()),this},d.prototype.close=function(){return"opening"!=this.readyState&&"open"!=this.readyState||(this.doClose(),this.onClose()),this},d.prototype.send=function(a){if("open"!=this.readyState)throw new Error("Transport not open");this.write(a)},d.prototype.onOpen=function(){this.readyState="open",this.writable=!0,this.emit("open")},d.prototype.onData=function(a){var b=e.decodePacket(a,this.socket.binaryType);this.onPacket(b)},d.prototype.onPacket=function(a){this.emit("packet",a)},d.prototype.onClose=function(){this.readyState="closed",this.emit("close")}},{"component-emitter":5,"engine.io-parser":19}],13:[function(a,b,c){(function(b){function d(a){var c,d=!1,h=!1,i=!1!==a.jsonp;if(b.location){var j="https:"==location.protocol,k=location.port;k||(k=j?443:80),d=a.hostname!=location.hostname||k!=a.port,h=a.secure!=j}if(a.xdomain=d,a.xscheme=h,c=new e(a),"open"in c&&!a.forceJSONP)return new f(a);if(!i)throw new Error("JSONP disabled");return new g(a)}var e=a("xmlhttprequest-ssl"),f=a("./polling-xhr"),g=a("./polling-jsonp"),h=a("./websocket");c.polling=d,c.websocket=h}).call(this,"undefined"!=typeof global?global:"undefined"!=typeof self?self:"undefined"!=typeof window?window:{})},{"./polling-jsonp":14,"./polling-xhr":15,"./websocket":17,"xmlhttprequest-ssl":18}],14:[function(a,b,c){(function(c){function d(){}function e(a){f.call(this,a),this.query=this.query||{},h||(c.___eio||(c.___eio=[]),h=c.___eio),this.index=h.length;var b=this;h.push(function(a){b.onData(a)}),this.query.j=this.index,c.document&&c.addEventListener&&c.addEventListener("beforeunload",function(){b.script&&(b.script.onerror=d)},!1)}var f=a("./polling"),g=a("component-inherit");b.exports=e;var h,i=/\n/g,j=/\\n/g;g(e,f),e.prototype.supportsBinary=!1,e.prototype.doClose=function(){this.script&&(this.script.parentNode.removeChild(this.script),this.script=null),this.form&&(this.form.parentNode.removeChild(this.form),this.form=null,this.iframe=null),f.prototype.doClose.call(this)},e.prototype.doPoll=function(){var a=this,b=document.createElement("script");this.script&&(this.script.parentNode.removeChild(this.script),this.script=null),b.async=!0,b.src=this.uri(),b.onerror=function(b){a.onError("jsonp poll error",b)};var c=document.getElementsByTagName("script")[0];c?c.parentNode.insertBefore(b,c):(document.head||document.body).appendChild(b),this.script=b;var d="undefined"!=typeof navigator&&/gecko/i.test(navigator.userAgent);d&&setTimeout(function(){var a=document.createElement("iframe");document.body.appendChild(a),document.body.removeChild(a)},100)},e.prototype.doWrite=function(a,b){function c(){d(),b()}function d(){if(e.iframe)try{e.form.removeChild(e.iframe)}catch(a){e.onError("jsonp polling iframe removal error",a)}try{var b='<iframe src="javascript:0" name="'+e.iframeId+'">';f=document.createElement(b)}catch(a){f=document.createElement("iframe"),f.name=e.iframeId,f.src="javascript:0"}f.id=e.iframeId,e.form.appendChild(f),e.iframe=f}var e=this;if(!this.form){var f,g=document.createElement("form"),h=document.createElement("textarea"),k=this.iframeId="eio_iframe_"+this.index;g.className="socketio",g.style.position="absolute",g.style.top="-1000px",g.style.left="-1000px",g.target=k,g.method="POST",g.setAttribute("accept-charset","utf-8"),h.name="d",g.appendChild(h),document.body.appendChild(g),this.form=g,this.area=h}this.form.action=this.uri(),d(),a=a.replace(j,"\\\n"),this.area.value=a.replace(i,"\\n");try{this.form.submit()}catch(l){}this.iframe.attachEvent?this.iframe.onreadystatechange=function(){"complete"==e.iframe.readyState&&c()}:this.iframe.onload=c}}).call(this,"undefined"!=typeof global?global:"undefined"!=typeof self?self:"undefined"!=typeof window?window:{})},{"./polling":16,"component-inherit":6}],15:[function(a,b,c){(function(c){function d(){}function e(a){if(i.call(this,a),c.location){var b="https:"==location.protocol,d=location.port;d||(d=b?443:80),this.xd=a.hostname!=c.location.hostname||d!=a.port,this.xs=a.secure!=b}else this.extraHeaders=a.extraHeaders}function f(a){this.method=a.method||"GET",this.uri=a.uri,this.xd=!!a.xd,this.xs=!!a.xs,this.async=!1!==a.async,this.data=void 0!=a.data?a.data:null,this.agent=a.agent,this.isBinary=a.isBinary,this.supportsBinary=a.supportsBinary,this.enablesXDR=a.enablesXDR,this.pfx=a.pfx,this.key=a.key,this.passphrase=a.passphrase,this.cert=a.cert,this.ca=a.ca,this.ciphers=a.ciphers,this.rejectUnauthorized=a.rejectUnauthorized,this.extraHeaders=a.extraHeaders,this.create()}function g(){for(var a in f.requests)f.requests.hasOwnProperty(a)&&f.requests[a].abort()}var h=a("xmlhttprequest-ssl"),i=a("./polling"),j=a("component-emitter"),k=a("component-inherit"),l=a("debug")("engine.io-client:polling-xhr");b.exports=e,b.exports.Request=f,k(e,i),e.prototype.supportsBinary=!0,e.prototype.request=function(a){return a=a||{},a.uri=this.uri(),a.xd=this.xd,a.xs=this.xs,a.agent=this.agent||!1,a.supportsBinary=this.supportsBinary,a.enablesXDR=this.enablesXDR,a.pfx=this.pfx,a.key=this.key,a.passphrase=this.passphrase,a.cert=this.cert,a.ca=this.ca,a.ciphers=this.ciphers,a.rejectUnauthorized=this.rejectUnauthorized,a.extraHeaders=this.extraHeaders,new f(a)},e.prototype.doWrite=function(a,b){var c="string"!=typeof a&&void 0!==a,d=this.request({method:"POST",data:a,isBinary:c}),e=this;d.on("success",b),d.on("error",function(a){e.onError("xhr post error",a)}),this.sendXhr=d},e.prototype.doPoll=function(){l("xhr poll");var a=this.request(),b=this;a.on("data",function(a){b.onData(a)}),a.on("error",function(a){b.onError("xhr poll error",a)}),this.pollXhr=a},j(f.prototype),f.prototype.create=function(){var a={agent:this.agent,xdomain:this.xd,xscheme:this.xs,enablesXDR:this.enablesXDR};a.pfx=this.pfx,a.key=this.key,a.passphrase=this.passphrase,a.cert=this.cert,a.ca=this.ca,a.ciphers=this.ciphers,a.rejectUnauthorized=this.rejectUnauthorized;var b=this.xhr=new h(a),d=this;try{l("xhr open %s: %s",this.method,this.uri),b.open(this.method,this.uri,this.async);try{if(this.extraHeaders){b.setDisableHeaderCheck(!0);for(var e in this.extraHeaders)this.extraHeaders.hasOwnProperty(e)&&b.setRequestHeader(e,this.extraHeaders[e])}}catch(g){}if(this.supportsBinary&&(b.responseType="arraybuffer"),"POST"==this.method)try{this.isBinary?b.setRequestHeader("Content-type","application/octet-stream"):b.setRequestHeader("Content-type","text/plain;charset=UTF-8")}catch(g){}"withCredentials"in b&&(b.withCredentials=!0),this.hasXDR()?(b.onload=function(){d.onLoad()},b.onerror=function(){d.onError(b.responseText)}):b.onreadystatechange=function(){4==b.readyState&&(200==b.status||1223==b.status?d.onLoad():setTimeout(function(){d.onError(b.status)},0))},l("xhr data %s",this.data),b.send(this.data)}catch(g){return void setTimeout(function(){d.onError(g)},0)}c.document&&(this.index=f.requestsCount++,f.requests[this.index]=this)},f.prototype.onSuccess=function(){this.emit("success"),this.cleanup()},f.prototype.onData=function(a){this.emit("data",a),this.onSuccess()},f.prototype.onError=function(a){this.emit("error",a),this.cleanup(!0)},f.prototype.cleanup=function(a){if("undefined"!=typeof this.xhr&&null!==this.xhr){if(this.hasXDR()?this.xhr.onload=this.xhr.onerror=d:this.xhr.onreadystatechange=d,a)try{this.xhr.abort()}catch(b){}c.document&&delete f.requests[this.index],this.xhr=null}},f.prototype.onLoad=function(){var a;try{var 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self?self:"undefined"!=typeof window?window:{})},{}],33:[function(a,b,c){"use strict";function d(a){var b="";do b=h[a%i]+b,a=Math.floor(a/i);while(a>0);return b}function e(a){var b=0;for(l=0;l<a.length;l++)b=b*i+j[a.charAt(l)];return b}function f(){var a=d(+new Date);return a!==g?(k=0,g=a):a+"."+d(k++)}for(var g,h="0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz-_".split(""),i=64,j={},k=0,l=0;l<i;l++)j[h[l]]=l;f.encode=d,f.decode=e,b.exports=f},{}],34:[function(a,b,c){function d(a,b){return new n(a,b)}var e=a("./constants/constants"),f=a("./constants/merge-strategies"),g=a("component-emitter"),h=a("./message/connection"),i=a("./event/event-handler"),j=a("./rpc/rpc-handler"),k=a("./record/record-handler"),l=a("./webrtc/webrtc-handler"),m=a("./default-options"),n=function(a,b){this._url=a,this._options=this._getOptions(b||{}),this._connection=new h(this,this._url,this._options),this.event=new i(this._options,this._connection,this),this.rpc=new j(this._options,this._connection,this),this.record=new k(this._options,this._connection,this),this.webrtc=new l(this._options,this._connection,this),this._messageCallbacks={},this._messageCallbacks[e.TOPIC.WEBRTC]=this.webrtc._$handle.bind(this.webrtc),this._messageCallbacks[e.TOPIC.EVENT]=this.event._$handle.bind(this.event),this._messageCallbacks[e.TOPIC.RPC]=this.rpc._$handle.bind(this.rpc),this._messageCallbacks[e.TOPIC.RECORD]=this.record._$handle.bind(this.record),this._messageCallbacks[e.TOPIC.ERROR]=this._onErrorMessage.bind(this)};g(n.prototype),n.prototype.login=function(a,b){return this._connection.authenticate(a||{},b),this},n.prototype.close=function(){this._connection.close()},n.prototype.getConnectionState=function(){return this._connection.getState()},n.prototype.getUid=function(){var a=(new Date).getTime().toString(36),b=(1e16*Math.random()).toString(36).replace(".","");return a+"-"+b},n.prototype._$onMessage=function(a){this._messageCallbacks[a.topic]?this._messageCallbacks[a.topic](a):(a.processedError=!0,this._$onError(a.topic,e.EVENT.MESSAGE_PARSE_ERROR,"Received message for unknown topic "+a.topic)),a.action!==e.ACTIONS.ERROR||a.processedError||this._$onError(a.topic,a.data[0],a.data.slice(0))},n.prototype._$onError=function(a,b,c){var d;if(b!==e.EVENT.ACK_TIMEOUT&&b!==e.EVENT.RESPONSE_TIMEOUT||this.getConnectionState()===e.CONNECTION_STATE.AWAITING_AUTHENTICATION&&(d="Your message timed out because you're not authenticated. Have you called login()?",setTimeout(this._$onError.bind(this,e.EVENT.NOT_AUTHENTICATED,e.TOPIC.ERROR,d),1)),!this.hasListeners("error"))throw console.log("--- You can catch all deepstream errors by subscribing to the error event ---"),d=b+": "+c,a&&(d+=" ("+a+")"),new Error(d);this.emit("error",c,b,a),this.emit(b,a,c)},n.prototype._onErrorMessage=function(a){this._$onError(a.topic,a.data[0],a.data[1])},n.prototype._getOptions=function(a){var b,c={};for(b in m)"undefined"==typeof a[b]?c[b]=m[b]:c[b]=a[b];return c},n.prototype.CONSTANTS=e,d.CONSTANTS=e,n.prototype.MERGE_STRATEGIES=f,d.MERGE_STRATEGIES=f,b.exports=d},{"./constants/constants":35,"./constants/merge-strategies":36,"./default-options":37,"./event/event-handler":38,"./message/connection":39,"./record/record-handler":45,"./rpc/rpc-handler":47,"./webrtc/webrtc-handler":57,"component-emitter":5}],35:[function(a,b,c){c.CONNECTION_STATE={},c.CONNECTION_STATE.CLOSED="CLOSED",c.CONNECTION_STATE.AWAITING_CONNECTION="AWAITING_CONNECTION",c.CONNECTION_STATE.CHALLENGING="CHALLENGING",c.CONNECTION_STATE.AWAITING_AUTHENTICATION="AWAITING_AUTHENTICATION",c.CONNECTION_STATE.AUTHENTICATING="AUTHENTICATING",c.CONNECTION_STATE.OPEN="OPEN",c.CONNECTION_STATE.ERROR="ERROR",c.CONNECTION_STATE.RECONNECTING="RECONNECTING",c.MESSAGE_SEPERATOR=String.fromCharCode(30),c.MESSAGE_PART_SEPERATOR=String.fromCharCode(31),c.TYPES={},c.TYPES.STRING="S",c.TYPES.OBJECT="O",c.TYPES.NUMBER="N",c.TYPES.NULL="L",c.TYPES.TRUE="T",c.TYPES.FALSE="F",c.TYPES.UNDEFINED="U",c.TOPIC={},c.TOPIC.CONNECTION="C",c.TOPIC.AUTH="A",c.TOPIC.ERROR="X",c.TOPIC.EVENT="E",c.TOPIC.RECORD="R",c.TOPIC.RPC="P",c.TOPIC.WEBRTC="W",c.TOPIC.PRIVATE="PRIVATE/",c.EVENT={},c.EVENT.CONNECTION_ERROR="connectionError",c.EVENT.CONNECTION_STATE_CHANGED="connectionStateChanged",c.EVENT.MAX_RECONNECTION_ATTEMPTS_REACHED="MAX_RECONNECTION_ATTEMPTS_REACHED",c.EVENT.CONNECTION_AUTHENTICATION_TIMEOUT="CONNECTION_AUTHENTICATION_TIMEOUT",c.EVENT.ACK_TIMEOUT="ACK_TIMEOUT",c.EVENT.NO_RPC_PROVIDER="NO_RPC_PROVIDER",c.EVENT.RESPONSE_TIMEOUT="RESPONSE_TIMEOUT",c.EVENT.DELETE_TIMEOUT="DELETE_TIMEOUT",c.EVENT.UNSOLICITED_MESSAGE="UNSOLICITED_MESSAGE",c.EVENT.MESSAGE_DENIED="MESSAGE_DENIED",c.EVENT.MESSAGE_PARSE_ERROR="MESSAGE_PARSE_ERROR",c.EVENT.VERSION_EXISTS="VERSION_EXISTS",c.EVENT.NOT_AUTHENTICATED="NOT_AUTHENTICATED",c.EVENT.MESSAGE_PERMISSION_ERROR="MESSAGE_PERMISSION_ERROR",c.EVENT.LISTENER_EXISTS="LISTENER_EXISTS",c.EVENT.NOT_LISTENING="NOT_LISTENING",c.EVENT.TOO_MANY_AUTH_ATTEMPTS="TOO_MANY_AUTH_ATTEMPTS",c.EVENT.IS_CLOSED="IS_CLOSED",c.EVENT.UNKNOWN_CALLEE="UNKNOWN_CALLEE",c.EVENT.RECORD_NOT_FOUND="RECORD_NOT_FOUND",c.ACTIONS={},c.ACTIONS.ACK="A",c.ACTIONS.REDIRECT="RED",c.ACTIONS.CHALLENGE="CH",c.ACTIONS.CHALLENGE_RESPONSE="CHR",c.ACTIONS.READ="R",c.ACTIONS.CREATE="C",c.ACTIONS.UPDATE="U",c.ACTIONS.PATCH="P",c.ACTIONS.DELETE="D",c.ACTIONS.SUBSCRIBE="S",c.ACTIONS.UNSUBSCRIBE="US",c.ACTIONS.HAS="H",c.ACTIONS.SNAPSHOT="SN",c.ACTIONS.INVOKE="I",c.ACTIONS.SUBSCRIPTION_FOR_PATTERN_FOUND="SP",c.ACTIONS.SUBSCRIPTION_FOR_PATTERN_REMOVED="SR",c.ACTIONS.SUBSCRIPTION_HAS_PROVIDER="SH",c.ACTIONS.LISTEN="L",c.ACTIONS.UNLISTEN="UL",c.ACTIONS.LISTEN_ACCEPT="LA",c.ACTIONS.LISTEN_REJECT="LR",c.ACTIONS.PROVIDER_UPDATE="PU",c.ACTIONS.QUERY="Q",c.ACTIONS.CREATEORREAD="CR",c.ACTIONS.EVENT="EVT",c.ACTIONS.ERROR="E",c.ACTIONS.REQUEST="REQ",c.ACTIONS.RESPONSE="RES",c.ACTIONS.REJECTION="REJ",c.ACTIONS.WEBRTC_REGISTER_CALLEE="RC",c.ACTIONS.WEBRTC_UNREGISTER_CALLEE="URC",c.ACTIONS.WEBRTC_OFFER="OF",c.ACTIONS.WEBRTC_ANSWER="AN",c.ACTIONS.WEBRTC_ICE_CANDIDATE="IC",c.ACTIONS.WEBRTC_CALL_DECLINED="CD",c.ACTIONS.WEBRTC_CALL_ENDED="CE",c.ACTIONS.WEBRTC_LISTEN_FOR_CALLEES="LC",c.ACTIONS.WEBRTC_UNLISTEN_FOR_CALLEES="ULC",c.ACTIONS.WEBRTC_ALL_CALLEES="WAC",c.ACTIONS.WEBRTC_CALLEE_ADDED="WCA",c.ACTIONS.WEBRTC_CALLEE_REMOVED="WCR",c.ACTIONS.WEBRTC_IS_ALIVE="WIA",c.CALL_STATE={},c.CALL_STATE.INITIAL="INITIAL",c.CALL_STATE.CONNECTING="CONNECTING",c.CALL_STATE.ESTABLISHED="ESTABLISHED",c.CALL_STATE.ACCEPTED="ACCEPTED",c.CALL_STATE.DECLINED="DECLINED",c.CALL_STATE.ENDED="ENDED",c.CALL_STATE.ERROR="ERROR"},{}],36:[function(a,b,c){b.exports={REMOTE_WINS:function(a,b,c,d){d(null,b)},LOCAL_WINS:function(a,b,c,d){d(null,a.get())}}},{}],37:[function(a,b,c){var d=a("./constants/merge-strategies");b.exports={recordPersistDefault:!0,reconnectIntervalIncrement:4e3,maxReconnectInterval:18e4,maxReconnectAttempts:5,rpcAckTimeout:6e3,rpcResponseTimeout:1e4,subscriptionTimeout:2e3,maxMessagesPerPacket:100,timeBetweenSendingQueuedPackages:16,recordReadAckTimeout:1e3,recordReadTimeout:3e3,recordDeleteTimeout:3e3,calleeAckTimeout:3e3,rtcPeerConnectionConfig:{iceServers:[{url:"stun:stun.services.mozilla.com"},{url:"stun:stun.l.google.com:19302"}]},agent:!1,upgrade:!0,forceJSONP:!1,jsonp:!0,forceBase64:!1,enablesXDR:!1,timestampRequests:!1,timestampParam:"t",policyPort:843,path:"/deepstream",transports:["polling","websocket"],rememberUpgrade:!1,mergeStrategy:d.REMOTE_WINS}},{"./constants/merge-strategies":36}],38:[function(a,b,c){var d=a("../message/message-builder"),e=a("../message/message-parser"),f=a("../utils/ack-timeout-registry"),g=a("../utils/resubscribe-notifier"),h=a("../constants/constants"),i=a("../utils/listener"),j=a("component-emitter"),k=function(a,b,c){this._options=a,this._connection=b,this._client=c,this._emitter=new j,this._listener={},this._ackTimeoutRegistry=new f(c,h.TOPIC.EVENT,this._options.subscriptionTimeout),this._resubscribeNotifier=new g(this._client,this._resubscribe.bind(this))};k.prototype.subscribe=function(a,b){if("string"!=typeof a||0===a.length)throw new Error("invalid argument name");if("function"!=typeof b)throw new Error("invalid argument callback");this._emitter.hasListeners(a)||(this._ackTimeoutRegistry.add(a,h.ACTIONS.SUBSCRIBE),this._connection.sendMsg(h.TOPIC.EVENT,h.ACTIONS.SUBSCRIBE,[a])),this._emitter.on(a,b)},k.prototype.unsubscribe=function(a,b){if("string"!=typeof a||0===a.length)throw new Error("invalid argument name");if(void 0!==b&&"function"!=typeof b)throw new Error("invalid argument callback");this._emitter.off(a,b),this._emitter.hasListeners(a)||(this._ackTimeoutRegistry.add(a,h.ACTIONS.UNSUBSCRIBE),this._connection.sendMsg(h.TOPIC.EVENT,h.ACTIONS.UNSUBSCRIBE,[a]))},k.prototype.emit=function(a,b){if("string"!=typeof a||0===a.length)throw new Error("invalid argument name");this._connection.sendMsg(h.TOPIC.EVENT,h.ACTIONS.EVENT,[a,d.typed(b)]),this._emitter.emit(a,b)},k.prototype.listen=function(a,b){if("string"!=typeof a||0===a.length)throw new Error("invalid argument pattern");if("function"!=typeof b)throw new Error("invalid argument callback");return this._listener[a]&&!this._listener[a].destroyPending?this._client._$onError(h.TOPIC.EVENT,h.EVENT.LISTENER_EXISTS,a):(this._listener[a]&&this._listener[a].destroy(),void(this._listener[a]=new i(h.TOPIC.EVENT,a,b,this._options,this._client,this._connection)))},k.prototype.unlisten=function(a){if("string"!=typeof a||0===a.length)throw new Error("invalid argument pattern");var b=this._listener[a];b&&!b.destroyPending?b.sendDestroy():this._listener[a]?(this._ackTimeoutRegistry.add(a,h.EVENT.UNLISTEN),this._listener[a].destroy(),delete this._listener[a]):this._client._$onError(h.TOPIC.RECORD,h.EVENT.NOT_LISTENING,a)},k.prototype._$handle=function(a){var b=a.data[a.action===h.ACTIONS.ACK?1:0];if(a.action===h.ACTIONS.EVENT)return processed=!0,void(a.data&&2===a.data.length?this._emitter.emit(b,e.convertTyped(a.data[1],this._client)):this._emitter.emit(b));if(a.action===h.ACTIONS.ACK&&a.data[0]===h.ACTIONS.UNLISTEN&&this._listener[b]&&this._listener[b].destroyPending)return this._listener[b].destroy(),void delete this._listener[b];if(this._listener[b])return processed=!0,void this._listener[b]._$onMessage(a);if(a.action!==h.ACTIONS.SUBSCRIPTION_FOR_PATTERN_REMOVED&&a.action!==h.ACTIONS.SUBSCRIPTION_HAS_PROVIDER)return a.action===h.ACTIONS.ACK?void this._ackTimeoutRegistry.clear(a):a.action===h.ACTIONS.ERROR?(a.processedError=!0,void this._client._$onError(h.TOPIC.EVENT,a.data[0],a.data[1])):void this._client._$onError(h.TOPIC.EVENT,h.EVENT.UNSOLICITED_MESSAGE,b)},k.prototype._resubscribe=function(){var a=this._emitter._callbacks;for(var b in a)this._connection.sendMsg(h.TOPIC.EVENT,h.ACTIONS.SUBSCRIBE,[b])},b.exports=k},{"../constants/constants":35,"../message/message-builder":40,"../message/message-parser":41,"../utils/ack-timeout-registry":50,"../utils/listener":51,"../utils/resubscribe-notifier":52,"component-emitter":5}],39:[function(a,b,c){var d=a("engine.io-client"),e=a("./message-parser"),f=a("./message-builder"),g=a("../tcp/tcp-connection"),h=a("../utils/utils"),i=a("../constants/constants"),j=function(a,b,c){this._client=a,this._originalUrl=b,this._url=b,this._options=c,this._authParams=null,this._authCallback=null,this._deliberateClose=!1,this._redirecting=!1,this._tooManyAuthAttempts=!1,this._connectionAuthenticationTimeout=!1,this._challengeDenied=!1,this._queuedMessages=[],this._reconnectTimeout=null,this._reconnectionAttempt=0,this._currentPacketMessageCount=0,this._sendNextPacketTimeout=null,this._currentMessageResetTimeout=null,this._endpoint=null,this._state=i.CONNECTION_STATE.CLOSED,this._createEndpoint()};j.prototype.getState=function(){return this._state},j.prototype.authenticate=function(a,b){return this._authParams=a,this._authCallback=b,this._tooManyAuthAttempts||this._challengeDenied||this._connectionAuthenticationTimeout?void this._client._$onError(i.TOPIC.ERROR,i.EVENT.IS_CLOSED,"this client's connection was closed"):this._deliberateClose===!0&&this._state===i.CONNECTION_STATE.CLOSED?(this._createEndpoint(),void(this._deliberateClose=!1)):void(this._state===i.CONNECTION_STATE.AWAITING_AUTHENTICATION&&this._sendAuthParams())},j.prototype.sendMsg=function(a,b,c){this.send(f.getMsg(a,b,c))},j.prototype.send=function(a){this._queuedMessages.push(a),this._currentPacketMessageCount++,null===this._currentMessageResetTimeout&&(this._currentMessageResetTimeout=h.nextTick(this._resetCurrentMessageCount.bind(this))),this._state===i.CONNECTION_STATE.OPEN&&this._queuedMessages.length<this._options.maxMessagesPerPacket&&this._currentPacketMessageCount<this._options.maxMessagesPerPacket?this._sendQueuedMessages():null===this._sendNextPacketTimeout&&this._queueNextPacket()},j.prototype.close=function(){this._deliberateClose=!0,this._endpoint.close()},j.prototype._createEndpoint=function(){h.isNode?this._endpoint=new g(this._url):this._endpoint=d(this._url,this._options),this._endpoint.on("open",this._onOpen.bind(this)),this._endpoint.on("error",this._onError.bind(this)),this._endpoint.on("close",this._onClose.bind(this)),this._endpoint.on("message",this._onMessage.bind(this))},j.prototype._resetCurrentMessageCount=function(){this._currentPacketMessageCount=0,this._currentMessageResetTimeout=null},j.prototype._sendQueuedMessages=function(){if(this._state===i.CONNECTION_STATE.OPEN){if(0===this._queuedMessages.length)return void(this._sendNextPacketTimeout=null);var a=this._queuedMessages.splice(0,this._options.maxMessagesPerPacket).join("");0!==this._queuedMessages.length?this._queueNextPacket():this._sendNextPacketTimeout=null,this._endpoint.send(a)}},j.prototype._queueNextPacket=function(){var a=this._sendQueuedMessages.bind(this),b=this._options.timeBetweenSendingQueuedPackages;this._sendNextPacketTimeout=setTimeout(a,b)},j.prototype._sendAuthParams=function(){this._setState(i.CONNECTION_STATE.AUTHENTICATING);var a=f.getMsg(i.TOPIC.AUTH,i.ACTIONS.REQUEST,[this._authParams]);this._endpoint.send(a)},j.prototype._onOpen=function(){this._clearReconnect(),this._setState(i.CONNECTION_STATE.AWAITING_CONNECTION)},j.prototype._onError=function(a){this._setState(i.CONNECTION_STATE.ERROR),setTimeout(function(){this._client._$onError(null,i.EVENT.CONNECTION_ERROR,a.toString())}.bind(this),1)},j.prototype._onClose=function(){this._redirecting===!0?(this._redirecting=!1,this._createEndpoint()):this._deliberateClose===!0?this._setState(i.CONNECTION_STATE.CLOSED):(this._originalUrl!==this._url&&(this._url=this._originalUrl,this._createEndpoint()),this._tryReconnect())},j.prototype._onMessage=function(a){var b,c=e.parse(a,this._client);for(b=0;b<c.length;b++)null!==c[b]&&(c[b].topic===i.TOPIC.CONNECTION?this._handleConnectionResponse(c[b]):c[b].topic===i.TOPIC.AUTH?this._handleAuthResponse(c[b]):this._client._$onMessage(c[b]))},j.prototype._handleConnectionResponse=function(a){a.action===i.ACTIONS.ACK?(this._setState(i.CONNECTION_STATE.AWAITING_AUTHENTICATION),this._authParams&&this._sendAuthParams()):a.action===i.ACTIONS.CHALLENGE?(this._setState(i.CONNECTION_STATE.CHALLENGING),this._endpoint.send(f.getMsg(i.TOPIC.CONNECTION,i.ACTIONS.CHALLENGE_RESPONSE,[this._originalUrl]))):a.action===i.ACTIONS.REJECTION?(this._challengeDenied=!0,this.close()):a.action===i.ACTIONS.REDIRECT?(this._url=a.data[0],this._redirecting=!0,this._endpoint.close()):a.action===i.ACTIONS.ERROR&&a.data[0]===i.EVENT.CONNECTION_AUTHENTICATION_TIMEOUT&&(this._deliberateClose=!0,this._connectionAuthenticationTimeout=!0,this._client._$onError(i.TOPIC.CONNECTION,a.data[0],a.data[1]))},j.prototype._handleAuthResponse=function(a){a.action===i.ACTIONS.ERROR?(a.data[0]===i.EVENT.TOO_MANY_AUTH_ATTEMPTS?(this._deliberateClose=!0,this._tooManyAuthAttempts=!0):this._setState(i.CONNECTION_STATE.AWAITING_AUTHENTICATION),this._authCallback&&this._authCallback(!1,this._getAuthData(a.data[1]))):a.action===i.ACTIONS.ACK&&(this._setState(i.CONNECTION_STATE.OPEN),this._authCallback&&this._authCallback(!0,this._getAuthData(a.data[0])),this._sendQueuedMessages())},j.prototype._getAuthData=function(a){return void 0===a?null:e.convertTyped(a,this._client)},j.prototype._setState=function(a){this._state=a,this._client.emit(i.EVENT.CONNECTION_STATE_CHANGED,a)},j.prototype._tryReconnect=function(){null===this._reconnectTimeout&&(this._reconnectionAttempt<this._options.maxReconnectAttempts?(this._setState(i.CONNECTION_STATE.RECONNECTING),this._reconnectTimeout=setTimeout(this._tryOpen.bind(this),Math.min(this._options.maxReconnectInterval,this._options.reconnectIntervalIncrement*this._reconnectionAttempt)),this._reconnectionAttempt++):(this._clearReconnect(),this.close(),this._client.emit(i.MAX_RECONNECTION_ATTEMPTS_REACHED,this._reconnectionAttempt)))},j.prototype._tryOpen=function(){this._endpoint.open(),this._reconnectTimeout=null},j.prototype._clearReconnect=function(){clearTimeout(this._reconnectTimeout),this._reconnectTimeout=null,this._reconnectionAttempt=0},b.exports=j},{"../constants/constants":35,"../tcp/tcp-connection":21,"../utils/utils":54,"./message-builder":40,"./message-parser":41,"engine.io-client":9}],40:[function(a,b,c){var d=a("../constants/constants"),e=d.MESSAGE_PART_SEPERATOR;c.getMsg=function(a,b,c){if(c&&!(c instanceof Array))throw new Error("data must be an array");var f,g=[a,b];if(c)for(f=0;f<c.length;f++)"object"==typeof c[f]?g.push(JSON.stringify(c[f])):g.push(c[f]);return g.join(e)+d.MESSAGE_SEPERATOR},c.typed=function(a){var b=typeof a;if("string"===b)return d.TYPES.STRING+a;if(null===a)return d.TYPES.NULL;if("object"===b)return d.TYPES.OBJECT+JSON.stringify(a);if("number"===b)return d.TYPES.NUMBER+a.toString();if(a===!0)return d.TYPES.TRUE;if(a===!1)return d.TYPES.FALSE;if(void 0===a)return d.TYPES.UNDEFINED;throw new Error("Can't serialize type "+a)}},{"../constants/constants":35}],41:[function(a,b,c){var d=a("../constants/constants"),e=function(){this._actions=this._getActions()};e.prototype.parse=function(a,b){var c,e=[],f=a.split(d.MESSAGE_SEPERATOR);for(c=0;c<f.length;c++)f[c].length>2&&e.push(this._parseMessage(f[c],b));return e},e.prototype.convertTyped=function(a,b){var c=a.charAt(0);if(c===d.TYPES.STRING)return a.substr(1);if(c===d.TYPES.OBJECT)try{return JSON.parse(a.substr(1))}catch(e){return void b._$onError(d.TOPIC.ERROR,d.EVENT.MESSAGE_PARSE_ERROR,e.toString()+"("+a+")")}return c===d.TYPES.NUMBER?parseFloat(a.substr(1)):c===d.TYPES.NULL?null:c===d.TYPES.TRUE||c!==d.TYPES.FALSE&&void(c!==d.TYPES.UNDEFINED&&b._$onError(d.TOPIC.ERROR,d.EVENT.MESSAGE_PARSE_ERROR,"UNKNOWN_TYPE ("+a+")"))},e.prototype._getActions=function(){var a,b={};for(a in d.ACTIONS)b[d.ACTIONS[a]]=a;return b},e.prototype._parseMessage=function(a,b){var c=a.split(d.MESSAGE_PART_SEPERATOR),e={};return c.length<2?(a.processedError=!0,b._$onError(d.TOPIC.ERROR,d.EVENT.MESSAGE_PARSE_ERROR,"Insufficiant message parts"),null):void 0===this._actions[c[1]]?(a.processedError=!0,b._$onError(d.TOPIC.ERROR,d.EVENT.MESSAGE_PARSE_ERROR,"Unknown action "+c[1]),null):(e.raw=a,e.topic=c[0],e.action=c[1],e.data=c.splice(2),e)},b.exports=new e},{"../constants/constants":35}],42:[function(a,b,c){var d=a("./record"),e=a("component-emitter"),f=function(a){this.name=null,this._recordHandler=a,this._record=null,this._subscriptions=[],this._proxyMethod("delete"),this._proxyMethod("set"),this._proxyMethod("discard")};e(f.prototype),f.prototype.get=function(a){if(null!==this._record)return this._record.get(a)},f.prototype.subscribe=function(){var a=d.prototype._normalizeArguments(arguments);a.triggerNow=!0,this._subscriptions.push(a),null!==this._record&&this._record.subscribe(a)},f.prototype.unsubscribe=function(){var a,b=d.prototype._normalizeArguments(arguments),c=[];for(a=0;a<this._subscriptions.length;a++)this._subscriptions[a].path===b.path&&this._subscriptions[a].callback===b.callback||c.push(this._subscriptions[a]);this._subscriptions=c,null!==this._record&&this._record.unsubscribe(b)},f.prototype.setName=function(a){this.name=a;var b;if(null!==this._record&&!this._record.isDestroyed){for(b=0;b<this._subscriptions.length;b++)this._record.unsubscribe(this._subscriptions[b]);this._record.discard()}for(this._record=this._recordHandler.getRecord(a),b=0;b<this._subscriptions.length;b++)this._record.subscribe(this._subscriptions[b]);this._record.whenReady(this.emit.bind(this,"ready")),this.emit("nameChanged",a)},f.prototype._proxyMethod=function(a){this[a]=this._callMethodOnRecord.bind(this,a)},f.prototype._callMethodOnRecord=function(a){if(null===this._record)throw new Error("Can`t invoke "+a+". AnonymousRecord not initialised. Call setName first");if("function"!=typeof this._record[a])throw new Error(a+" is not a method on the record");var b=Array.prototype.slice.call(arguments,1);
+return this._record[a].apply(this._record,b)},b.exports=f},{"./record":46,"component-emitter":5}],43:[function(a,b,c){var d=a("../utils/utils"),e=/[\.\[\]]/g,f="*",g=function(a,b){this._record=a,this._path=String(b),this._tokens=[],this._tokenize()};g.prototype.getValue=function(){var a,b=this._record._$data;for(a=0;a<this._tokens.length;a++){if(void 0===b[this._tokens[a]])return;b=b[this._tokens[a]]}return b},g.prototype.setValue=function(a){var b,c=this._record._$data;for(b=0;b<this._tokens.length-1;b++)c=void 0!==c[this._tokens[b]]?c[this._tokens[b]]:this._tokens[b+1]&&!isNaN(this._tokens[b+1])?c[this._tokens[b]]=[]:c[this._tokens[b]]={};c[this._tokens[b]]=a},g.prototype._tokenize=function(){var a,b,c=this._path.split(e);for(b=0;b<c.length;b++)a=d.trim(c[b]),0!==a.length&&(isNaN(a)?a!==f?this._tokens.push(a):this._tokens.push(!0):this._tokens.push(parseInt(a,10)))},b.exports=g},{"../utils/utils":54}],44:[function(a,b,c){var d=a("component-emitter"),e=a("./record"),f=a("../constants/constants"),g="entry-added",h="entry-removed",i="entry-moved",j=function(a,b,c){if("string"!=typeof b||0===b.length)throw new Error("invalid argument name");this._recordHandler=a,this._record=this._recordHandler.getRecord(b,c),this._record._applyUpdate=this._applyUpdate.bind(this),this._record.on("delete",this.emit.bind(this,"delete")),this._record.on("discard",this._onDiscard.bind(this)),this._record.on("ready",this._onReady.bind(this)),this.isDestroyed=this._record.isDestroyed,this.isReady=this._record.isReady,this.name=b,this._queuedMethods=[],this._beforeStructure=null,this._hasAddListener=null,this._hasRemoveListener=null,this._hasMoveListener=null,this["delete"]=this._record["delete"].bind(this._record),this.discard=this._record.discard.bind(this._record),this.whenReady=this._record.whenReady.bind(this)};d(j.prototype),j.prototype.getEntries=function(){var a=this._record.get();return a instanceof Array?a:[]},j.prototype.isEmpty=function(){return 0===this.getEntries().length},j.prototype.setEntries=function(a){var b,c="entries must be an array of record names";if(!(a instanceof Array))throw new Error(c);for(b=0;b<a.length;b++)if("string"!=typeof a[b])throw new Error(c);this._record.isReady===!1?this._queuedMethods.push(this.setEntries.bind(this,a)):(this._beforeChange(),this._record.set(a),this._afterChange())},j.prototype.removeEntry=function(a,b){if(this._record.isReady===!1)return void this._queuedMethods.push(this.removeEntry.bind(this,a));var c,d=this._record.get(),e=this._hasIndex(b),f=[];for(c=0;c<d.length;c++)(d[c]!==a||e&&b!==c)&&f.push(d[c]);this._beforeChange(),this._record.set(f),this._afterChange()},j.prototype.addEntry=function(a,b){if("string"!=typeof a)throw new Error("Entry must be a recordName");if(this._record.isReady===!1)return void this._queuedMethods.push(this.addEntry.bind(this,a));var c=this._hasIndex(b),d=this.getEntries();c?d.splice(b,0,a):d.push(a),this._beforeChange(),this._record.set(d),this._afterChange()},j.prototype.subscribe=function(){var a=e.prototype._normalizeArguments(arguments);if(a.path)throw new Error("path is not supported for List.subscribe");var b=function(a){a(this.getEntries())}.bind(this,a.callback);a.callback.wrappedCallback=b,a.callback=b,this._record.subscribe(a)},j.prototype.unsubscribe=function(){var a=e.prototype._normalizeArguments(arguments);if(a.path)throw new Error("path is not supported for List.unsubscribe");a.callback=a.callback.wrappedCallback,this._record.unsubscribe(a)},j.prototype._onReady=function(){this.isReady=!0;for(var a=0;a<this._queuedMethods.length;a++)this._queuedMethods[a]();this.emit("ready")},j.prototype._onDiscard=function(){this.isDestroyed=!0,this.emit("discard")},j.prototype._applyUpdate=function(a){if(a.action===f.ACTIONS.PATCH)throw new Error("PATCH is not supported for Lists");"["!==a.data[2].charAt(0)&&(a.data[2]="[]"),this._beforeChange(),e.prototype._applyUpdate.call(this._record,a),this._afterChange()},j.prototype._hasIndex=function(a){var b=!1,c=this.getEntries();if(void 0!==a){if(isNaN(a))throw new Error("Index must be a number");if(a!==c.length&&(a>=c.length||a<0))throw new Error("Index must be within current entries");b=!0}return b},j.prototype._beforeChange=function(){this._hasAddListener=this.listeners(g).length>0,this._hasRemoveListener=this.listeners(h).length>0,this._hasMoveListener=this.listeners(i).length>0,this._hasAddListener||this._hasRemoveListener||this._hasMoveListener?this._beforeStructure=this._getStructure():this._beforeStructure=null},j.prototype._afterChange=function(){if(null!==this._beforeStructure){var a,b,c=this._getStructure(),d=this._beforeStructure;if(this._hasRemoveListener)for(a in d)for(b=0;b<d[a].length;b++)void 0!==c[a]&&void 0!==c[a][b]||this.emit(h,a,d[a][b]);if(this._hasAddListener||this._hasMoveListener)for(a in c)if(void 0===d[a])for(b=0;b<c[a].length;b++)this.emit(g,a,c[a][b]);else for(b=0;b<c[a].length;b++)d[a][b]!==c[a][b]&&(void 0===d[a][b]?this.emit(g,a,c[a][b]):this.emit(i,a,c[a][b]))}},j.prototype._getStructure=function(){var a,b={},c=this._record.get();for(a=0;a<c.length;a++)void 0===b[c[a]]?b[c[a]]=[a]:b[c[a]].push(a);return b},b.exports=j},{"../constants/constants":35,"./record":46,"component-emitter":5}],45:[function(a,b,c){var d=a("./record"),e=a("./anonymous-record"),f=a("./list"),g=a("../utils/listener"),h=a("../utils/single-notifier"),i=a("../constants/constants"),j=a("../message/message-parser"),k=a("component-emitter"),l=function(a,b,c){this._options=a,this._connection=b,this._client=c,this._records={},this._lists={},this._listener={},this._destroyEventEmitter=new k,this._hasRegistry=new h(c,b,i.TOPIC.RECORD,i.ACTIONS.HAS,this._options.recordReadTimeout),this._snapshotRegistry=new h(c,b,i.TOPIC.RECORD,i.ACTIONS.SNAPSHOT,this._options.recordReadTimeout)};l.prototype.getRecord=function(a,b){return this._records[a]||(this._records[a]=new d(a,b||{},this._connection,this._options,this._client),this._records[a].on("error",this._onRecordError.bind(this,a)),this._records[a].on("destroyPending",this._onDestroyPending.bind(this,a)),this._records[a].on("delete",this._removeRecord.bind(this,a)),this._records[a].on("discard",this._removeRecord.bind(this,a))),this._records[a].usages++,this._records[a]},l.prototype.getList=function(a,b){return this._lists[a]?this._records[a].usages++:this._lists[a]=new f(this,a,b),this._lists[a]},l.prototype.getAnonymousRecord=function(){return new e(this)},l.prototype.listen=function(a,b){if("string"!=typeof a||0===a.length)throw new Error("invalid argument pattern");if("function"!=typeof b)throw new Error("invalid argument callback");return this._listener[a]&&!this._listener[a].destroyPending?this._client._$onError(i.TOPIC.RECORD,i.EVENT.LISTENER_EXISTS,a):(this._listener[a]&&this._listener[a].destroy(),void(this._listener[a]=new g(i.TOPIC.RECORD,a,b,this._options,this._client,this._connection)))},l.prototype.unlisten=function(a){if("string"!=typeof a||0===a.length)throw new Error("invalid argument pattern");var b=this._listener[a];b&&!b.destroyPending?b.sendDestroy():this._listener[a]?(this._listener[a].destroy(),delete this._listener[a]):this._client._$onError(i.TOPIC.RECORD,i.EVENT.NOT_LISTENING,a)},l.prototype.snapshot=function(a,b){if("string"!=typeof a||0===a.length)throw new Error("invalid argument name");this._records[a]&&this._records[a].isReady?b(null,this._records[a].get()):this._snapshotRegistry.request(a,b)},l.prototype.has=function(a,b){if("string"!=typeof a||0===a.length)throw new Error("invalid argument name");this._records[a]?b(null,!0):this._hasRegistry.request(a,b)},l.prototype._$handle=function(a){var b;if(a.action===i.ACTIONS.ERROR&&a.data[0]!==i.EVENT.VERSION_EXISTS&&a.data[0]!==i.ACTIONS.SNAPSHOT&&a.data[0]!==i.ACTIONS.HAS&&a.data[0]!==i.EVENT.MESSAGE_DENIED)return a.processedError=!0,void this._client._$onError(i.TOPIC.RECORD,a.data[0],a.data[1]);if(a.action===i.ACTIONS.ACK||a.action===i.ACTIONS.ERROR){if(b=a.data[1],a.data[0]===i.ACTIONS.DELETE||a.data[0]===i.ACTIONS.UNSUBSCRIBE||a.data[0]===i.EVENT.MESSAGE_DENIED&&a.data[2]===i.ACTIONS.DELETE)return this._destroyEventEmitter.emit("destroy_ack_"+b,a),void(a.data[0]===i.ACTIONS.DELETE&&this._records[b]&&this._records[b]._$onMessage(a));if(a.data[0]===i.ACTIONS.SNAPSHOT)return a.processedError=!0,void this._snapshotRegistry.recieve(b,a.data[2]);if(a.data[0]===i.ACTIONS.HAS)return a.processedError=!0,void this._snapshotRegistry.recieve(b,a.data[2])}else b=a.data[0];var c=!1;this._records[b]&&(c=!0,this._records[b]._$onMessage(a)),a.action===i.ACTIONS.READ&&this._snapshotRegistry.hasRequest(b)&&(c=!0,this._snapshotRegistry.recieve(b,null,JSON.parse(a.data[2]))),a.action===i.ACTIONS.HAS&&this._hasRegistry.hasRequest(b)&&(c=!0,this._hasRegistry.recieve(b,null,j.convertTyped(a.data[1]))),a.action===i.ACTIONS.ACK&&a.data[0]===i.ACTIONS.UNLISTEN&&this._listener[b]&&this._listener[b].destroyPending?(c=!0,this._listener[b].destroy(),delete this._listener[b]):this._listener[b]?(c=!0,this._listener[b]._$onMessage(a)):a.action===i.ACTIONS.SUBSCRIPTION_FOR_PATTERN_REMOVED?c=!0:a.action===i.ACTIONS.SUBSCRIPTION_HAS_PROVIDER&&(c=!0),c||this._client._$onError(i.TOPIC.RECORD,i.EVENT.UNSOLICITED_MESSAGE,b)},l.prototype._onRecordError=function(a,b){this._client._$onError(i.TOPIC.RECORD,b,a)},l.prototype._onDestroyPending=function(a){if(!this._records[a])return void this.emit("error","Record '"+a+"' does not exists");var b=this._records[a]._$onMessage.bind(this._records[a]);this._destroyEventEmitter.once("destroy_ack_"+a,b),this._removeRecord(a)},l.prototype._removeRecord=function(a){delete this._records[a],delete this._lists[a]},b.exports=l},{"../constants/constants":35,"../message/message-parser":41,"../utils/listener":51,"../utils/single-notifier":53,"./anonymous-record":42,"./list":44,"./record":46,"component-emitter":5}],46:[function(a,b,c){var d=a("./json-path"),e=a("../utils/utils"),f=a("../utils/resubscribe-notifier"),g=a("component-emitter"),h=a("../constants/constants"),i=a("../message/message-builder"),j=a("../message/message-parser"),k="ALL_EVENT",l=function(a,b,c,d,e){if("string"!=typeof a||0===a.length)throw new Error("invalid argument name");this.name=a,this.usages=0,this._recordOptions=b,this._connection=c,this._client=e,this._options=d,this.isReady=!1,this.isDestroyed=!1,this.hasProvider=!1,this._$data={},this.version=null,this._paths={},this._oldValue=null,this._oldPathValues=null,this._eventEmitter=new g,this._queuedMethodCalls=[],this._mergeStrategy=null,d.mergeStrategy&&this.setMergeStrategy(d.mergeStrategy),this._resubscribeNotifier=new f(this._client,this._sendRead.bind(this)),this._readAckTimeout=setTimeout(this._onTimeout.bind(this,h.EVENT.ACK_TIMEOUT),this._options.recordReadAckTimeout),this._readTimeout=setTimeout(this._onTimeout.bind(this,h.EVENT.RESPONSE_TIMEOUT),this._options.recordReadTimeout),this._sendRead()};g(l.prototype),l.prototype.setMergeStrategy=function(a){if("function"!=typeof a)throw new Error("Invalid merge strategy: Must be a Function");this._mergeStrategy=a},l.prototype.get=function(a){var b;return b=a?this._getPath(a).getValue():this._$data,e.deepCopy(b)},l.prototype.set=function(a,b){if(1===arguments.length&&"object"!=typeof a)throw new Error("invalid argument data");if(2===arguments.length&&("string"!=typeof a||0===a.length))throw new Error("invalid argument path");return this._checkDestroyed("set")?this:this.isReady?2===arguments.length&&e.deepEquals(this._getPath(a).getValue(),b)?this:1===arguments.length&&e.deepEquals(this._$data,a)?this:(this._beginChange(),this.version++,1===arguments.length?(this._$data="object"==typeof a?e.deepCopy(a):a,this._connection.sendMsg(h.TOPIC.RECORD,h.ACTIONS.UPDATE,[this.name,this.version,this._$data])):(this._getPath(a).setValue("object"==typeof b?e.deepCopy(b):b),this._connection.sendMsg(h.TOPIC.RECORD,h.ACTIONS.PATCH,[this.name,this.version,a,i.typed(b)])),this._completeChange(),this):(this._queuedMethodCalls.push({method:"set",args:arguments}),this)},l.prototype.subscribe=function(a,b,c){var d=this._normalizeArguments(arguments);if(void 0!==d.path&&("string"!=typeof d.path||0===d.path.length))throw new Error("invalid argument path");if("function"!=typeof d.callback)throw new Error("invalid argument callback");this._checkDestroyed("subscribe")||(d.triggerNow?this.whenReady(function(){this._eventEmitter.on(d.path||k,d.callback),d.path?d.callback(this._getPath(d.path).getValue()):d.callback(this.get())}.bind(this)):this._eventEmitter.on(d.path||k,d.callback))},l.prototype.unsubscribe=function(a,b){var c=this._normalizeArguments(arguments);if(void 0!==c.path&&("string"!=typeof c.path||0===c.path.length))throw new Error("invalid argument path");if(void 0!==c.callback&&"function"!=typeof c.callback)throw new Error("invalid argument callback");this._checkDestroyed("unsubscribe")||(c.path?this._eventEmitter.off(c.path,c.callback):this._eventEmitter.off(k,c.callback))},l.prototype.discard=function(){this._checkDestroyed("discard")||this.whenReady(function(){this.usages--,this.usages<=0&&(this.emit("destroyPending"),this._discardTimeout=setTimeout(this._onTimeout.bind(this,h.EVENT.ACK_TIMEOUT),this._options.subscriptionTimeout),this._connection.sendMsg(h.TOPIC.RECORD,h.ACTIONS.UNSUBSCRIBE,[this.name]))}.bind(this))},l.prototype["delete"]=function(){this._checkDestroyed("delete")||this.whenReady(function(){this.emit("destroyPending"),this._deleteAckTimeout=setTimeout(this._onTimeout.bind(this,h.EVENT.DELETE_TIMEOUT),this._options.recordDeleteTimeout),this._connection.sendMsg(h.TOPIC.RECORD,h.ACTIONS.DELETE,[this.name])}.bind(this))},l.prototype.whenReady=function(a){this.isReady===!0?a(this):this.once("ready",a.bind(this,this))},l.prototype._$onMessage=function(a){if(a.action===h.ACTIONS.READ)null===this.version?(clearTimeout(this._readTimeout),this._onRead(a)):this._applyUpdate(a,this._client);else if(a.action===h.ACTIONS.ACK)this._processAckMessage(a);else if(a.action===h.ACTIONS.UPDATE||a.action===h.ACTIONS.PATCH)this._applyUpdate(a,this._client);else if(a.data[0]===h.EVENT.VERSION_EXISTS)this._recoverRecord(a.data[2],JSON.parse(a.data[3]),a);else if(a.data[0]===h.EVENT.MESSAGE_DENIED)clearInterval(this._readAckTimeout),clearInterval(this._readTimeout);else if(a.action===h.ACTIONS.SUBSCRIPTION_HAS_PROVIDER){var b=j.convertTyped(a.data[1],this._client);this.hasProvider=b,this.emit("hasProviderChanged",b)}},l.prototype._recoverRecord=function(a,b,c){c.processedError=!0,this._mergeStrategy?this._mergeStrategy(this,b,a,this._onRecordRecovered.bind(this,a)):this.emit("error",h.EVENT.VERSION_EXISTS,"received update for "+a+" but version is "+this.version)},l.prototype._onRecordRecovered=function(a,b,c){b?this.emit("error",h.EVENT.VERSION_EXISTS,"received update for "+a+" but version is "+this.version):(this.version=a,this.set(c))},l.prototype._processAckMessage=function(a){var b=a.data[0];b===h.ACTIONS.SUBSCRIBE?clearTimeout(this._readAckTimeout):b===h.ACTIONS.DELETE?(this.emit("delete"),this._destroy()):b===h.ACTIONS.UNSUBSCRIBE&&(this.emit("discard"),this._destroy())},l.prototype._applyUpdate=function(a){var b,c=parseInt(a.data[1],10);if(b=a.action===h.ACTIONS.PATCH?j.convertTyped(a.data[3],this._client):JSON.parse(a.data[2]),null===this.version)this.version=c;else if(this.version+1!==c)return void(a.action===h.ACTIONS.PATCH?this._connection.sendMsg(h.TOPIC.RECORD,h.ACTIONS.SNAPSHOT,[this.name]):this._recoverRecord(c,b,a));this._beginChange(),this.version=c,a.action===h.ACTIONS.PATCH?this._getPath(a.data[2]).setValue(b):this._$data=b,this._completeChange()},l.prototype._onRead=function(a){this._beginChange(),this.version=parseInt(a.data[1],10),this._$data=JSON.parse(a.data[2]),this._completeChange(),this._setReady()},l.prototype._setReady=function(){this.isReady=!0;for(var a=0;a<this._queuedMethodCalls.length;a++)this[this._queuedMethodCalls[a].method].apply(this,this._queuedMethodCalls[a].args);this._queuedMethodCalls=[],this.emit("ready")},l.prototype._sendRead=function(){this._connection.sendMsg(h.TOPIC.RECORD,h.ACTIONS.CREATEORREAD,[this.name])},l.prototype._getPath=function(a){return this._paths[a]||(this._paths[a]=new d(this,a)),this._paths[a]},l.prototype._beginChange=function(){if(this._eventEmitter._callbacks){var a,b=Object.keys(this._eventEmitter._callbacks);for(this._oldPathValues={},this._eventEmitter.hasListeners(k)&&(this._oldValue=this.get()),a=0;a<b.length;a++)b[a]!==k&&(this._oldPathValues[b[a]]=this._getPath(b[a]).getValue())}},l.prototype._completeChange=function(){if(this._eventEmitter.hasListeners(k)&&!e.deepEquals(this._oldValue,this._$data)&&this._eventEmitter.emit(k,this.get()),this._oldValue=null,null!==this._oldPathValues){var a,b;for(a in this._oldPathValues)b=this._getPath(a).getValue(),b!==this._oldPathValues[a]&&this._eventEmitter.emit(a,b);this._oldPathValues=null}},l.prototype._normalizeArguments=function(a){var b,c={};if(1===a.length&&"object"==typeof a[0])return a[0];for(b=0;b<a.length;b++)"string"==typeof a[b]?c.path=a[b]:"function"==typeof a[b]?c.callback=a[b]:"boolean"==typeof a[b]&&(c.triggerNow=a[b]);return c},l.prototype._clearTimeouts=function(){clearTimeout(this._readAckTimeout),clearTimeout(this._deleteAckTimeout),clearTimeout(this._discardTimeout)},l.prototype._checkDestroyed=function(a){return!!this.isDestroyed&&(this.emit("error","Can't invoke '"+a+"'. Record '"+this.name+"' is already destroyed"),!0)},l.prototype._onTimeout=function(a){this._clearTimeouts(),this.emit("error",a)},l.prototype._destroy=function(){this._clearTimeouts(),this._eventEmitter.off(),this._resubscribeNotifier.destroy(),this.isDestroyed=!0,this.isReady=!1,this._client=null,this._eventEmitter=null,this._connection=null},b.exports=l},{"../constants/constants":35,"../message/message-builder":40,"../message/message-parser":41,"../utils/resubscribe-notifier":52,"../utils/utils":54,"./json-path":43,"component-emitter":5}],47:[function(a,b,c){var d=a("../constants/constants"),e=a("../utils/ack-timeout-registry"),f=a("../utils/resubscribe-notifier"),g=a("./rpc-response"),h=a("./rpc"),i=a("../message/message-parser"),j=a("../message/message-builder"),k=function(a,b,c){this._options=a,this._connection=b,this._client=c,this._rpcs={},this._providers={},this._provideAckTimeouts={},this._ackTimeoutRegistry=new e(c,d.TOPIC.RPC,this._options.subscriptionTimeout),this._resubscribeNotifier=new f(this._client,this._reprovide.bind(this))};k.prototype.provide=function(a,b){if("string"!=typeof a||0===a.length)throw new Error("invalid argument name");if(this._providers[a])throw new Error("RPC "+a+" already registered");if("function"!=typeof b)throw new Error("invalid argument callback");this._ackTimeoutRegistry.add(a,d.ACTIONS.SUBSCRIBE),this._providers[a]=b,this._connection.sendMsg(d.TOPIC.RPC,d.ACTIONS.SUBSCRIBE,[a])},k.prototype.unprovide=function(a){if("string"!=typeof a||0===a.length)throw new Error("invalid argument name");this._providers[a]&&(delete this._providers[a],this._ackTimeoutRegistry.add(a,d.ACTIONS.UNSUBSCRIBE),this._connection.sendMsg(d.TOPIC.RPC,d.ACTIONS.UNSUBSCRIBE,[a]))},k.prototype.make=function(a,b,c){if("string"!=typeof a||0===a.length)throw new Error("invalid argument name");if("function"!=typeof c)throw new Error("invalid argument callback");var e=this._client.getUid(),f=j.typed(b);this._rpcs[e]=new h(this._options,c,this._client),this._connection.sendMsg(d.TOPIC.RPC,d.ACTIONS.REQUEST,[a,e,f])},k.prototype._getRpc=function(a,b,c){var e=this._rpcs[a];return e?e:(this._client._$onError(d.TOPIC.RPC,d.EVENT.UNSOLICITED_MESSAGE,c),null)},k.prototype._respondToRpc=function(a){var b,c=a.data[0],e=a.data[1],f=null;a.data[2]&&(f=i.convertTyped(a.data[2],this._client)),this._providers[c]?(b=new g(this._connection,c,e),this._providers[c](f,b)):this._connection.sendMsg(d.TOPIC.RPC,d.ACTIONS.REJECTION,[c,e])},k.prototype._$handle=function(a){var b,c,e;if(a.action===d.ACTIONS.REQUEST)return void this._respondToRpc(a);if(a.action===d.ACTIONS.ACK&&(a.data[0]===d.ACTIONS.SUBSCRIBE||a.data[0]===d.ACTIONS.UNSUBSCRIBE))return void this._ackTimeoutRegistry.clear(a);if(a.action===d.ACTIONS.ERROR){if(a.data[0]===d.EVENT.MESSAGE_PERMISSION_ERROR)return;if(a.data[0]===d.EVENT.MESSAGE_DENIED){if(a.data[2]===d.ACTIONS.SUBSCRIBE)return;a.data[2]===d.ACTIONS.REQUEST&&(b=a.data[1],c=a.data[3])}else b=a.data[1],c=a.data[2]}else b=a.data[0],c=a.data[1];e=this._getRpc(c,b,a.raw),null!==e&&(a.action===d.ACTIONS.ACK?e.ack():a.action===d.ACTIONS.RESPONSE?(e.respond(a.data[2]),delete this._rpcs[c]):a.action===d.ACTIONS.ERROR&&(a.processedError=!0,e.error(a.data[0]),delete this._rpcs[c]))},k.prototype._reprovide=function(){for(var a in this._providers)this._connection.sendMsg(d.TOPIC.RPC,d.ACTIONS.SUBSCRIBE,[a])},b.exports=k},{"../constants/constants":35,"../message/message-builder":40,"../message/message-parser":41,"../utils/ack-timeout-registry":50,"../utils/resubscribe-notifier":52,"./rpc":49,"./rpc-response":48}],48:[function(a,b,c){var d=a("../constants/constants"),e=a("../utils/utils"),f=a("../message/message-builder"),g=function(a,b,c){this._connection=a,this._name=b,this._correlationId=c,this._isAcknowledged=!1,this._isComplete=!1,this.autoAck=!0,e.nextTick(this._performAutoAck.bind(this))};g.prototype.ack=function(){this._isAcknowledged===!1&&(this._connection.sendMsg(d.TOPIC.RPC,d.ACTIONS.ACK,[this._name,this._correlationId]),this._isAcknowledged=!0)},g.prototype.reject=function(){this.autoAck=!1,this._isComplete=!0,this._isAcknowledged=!0,this._connection.sendMsg(d.TOPIC.RPC,d.ACTIONS.REJECTION,[this._name,this._correlationId])},g.prototype.error=function(a){this.autoAck=!1,this._isComplete=!0,this._isAcknowledged=!0,this._connection.sendMsg(d.TOPIC.RPC,d.ACTIONS.ERROR,[a,this._name,this._correlationId])},g.prototype.send=function(a){if(this._isComplete===!0)throw new Error("Rpc "+this._name+" already completed");var b=f.typed(a);this._connection.sendMsg(d.TOPIC.RPC,d.ACTIONS.RESPONSE,[this._name,this._correlationId,b]),this._isComplete=!0},g.prototype._performAutoAck=function(){this.autoAck===!0&&this.ack()},b.exports=g},{"../constants/constants":35,"../message/message-builder":40,"../utils/utils":54}],49:[function(a,b,c){var d=a("../constants/constants"),e=a("../message/message-parser"),f=function(a,b,c){this._options=a,this._callback=b,this._client=c,this._ackTimeout=setTimeout(this.error.bind(this,d.EVENT.ACK_TIMEOUT),this._options.rpcAckTimeout),this._responseTimeout=setTimeout(this.error.bind(this,d.EVENT.RESPONSE_TIMEOUT),this._options.rpcResponseTimeout)};f.prototype.ack=function(){clearTimeout(this._ackTimeout)},f.prototype.respond=function(a){var b=e.convertTyped(a,this._client);this._callback(null,b),this._complete()},f.prototype.error=function(a){this._callback(a),this._complete()},f.prototype._complete=function(){clearTimeout(this._ackTimeout),clearTimeout(this._responseTimeout)},b.exports=f},{"../constants/constants":35,"../message/message-parser":41}],50:[function(a,b,c){var d=a("../constants/constants"),e=a("component-emitter"),f=function(a,b,c){this._client=a,this._topic=b,this._timeoutDuration=c,this._register={}};e(f.prototype),f.prototype.add=function(a,b){var c=b?b+a:a;this._register[c]&&this.clear({data:[b,a]}),this._register[c]=setTimeout(this._onTimeout.bind(this,c,a),this._timeoutDuration)},f.prototype.clear=function(a){var b=a.data[1],c=a.data[0]+b,e=this._register[c]||this._register[b];e?clearTimeout(e):this._client._$onError(this._topic,d.EVENT.UNSOLICITED_MESSAGE,a.raw)},f.prototype._onTimeout=function(a,b){delete this._register[a];var c="No ACK message received in time for "+b;this._client._$onError(this._topic,d.EVENT.ACK_TIMEOUT,c),this.emit("timeout",b)},b.exports=f},{"../constants/constants":35,"component-emitter":5}],51:[function(a,b,c){var d=a("../constants/constants"),e=a("./resubscribe-notifier"),f=function(a,b,c,d,f,g){this._type=a,this._callback=c,this._pattern=b,this._options=d,this._client=f,this._connection=g,this._ackTimeout=setTimeout(this._onAckTimeout.bind(this),this._options.subscriptionTimeout),this._resubscribeNotifier=new e(f,this._sendListen.bind(this)),this._sendListen(),this.destroyPending=!1};f.prototype.sendDestroy=function(){this.destroyPending=!0,this._connection.sendMsg(this._type,d.ACTIONS.UNLISTEN,[this._pattern]),this._resubscribeNotifier.destroy()},f.prototype.destroy=function(){this._callback=null,this._pattern=null,this._client=null,this._connection=null},f.prototype.accept=function(a){this._connection.sendMsg(this._type,d.ACTIONS.LISTEN_ACCEPT,[this._pattern,a])},f.prototype.reject=function(a){this._connection.sendMsg(this._type,d.ACTIONS.LISTEN_REJECT,[this._pattern,a])},f.prototype._createCallbackResponse=function(a){return{accept:this.accept.bind(this,a.data[1]),reject:this.reject.bind(this,a.data[1])}},f.prototype._$onMessage=function(a){a.action===d.ACTIONS.ACK?clearTimeout(this._ackTimeout):a.action===d.ACTIONS.SUBSCRIPTION_FOR_PATTERN_FOUND?(this._showDeprecatedMessage(a),this._callback(a.data[1],!0,this._createCallbackResponse(a))):a.action===d.ACTIONS.SUBSCRIPTION_FOR_PATTERN_REMOVED?this._callback(a.data[1],!1):this._client._$onError(this._type,d.EVENT.UNSOLICITED_MESSAGE,a.data[0]+"|"+a.data[1])},f.prototype._sendListen=function(){this._connection.sendMsg(this._type,d.ACTIONS.LISTEN,[this._pattern])},f.prototype._onAckTimeout=function(){this._client._$onError(this._type,d.EVENT.ACK_TIMEOUT,"No ACK message received in time for "+this._pattern)},f.prototype._showDeprecatedMessage=function(a){if(3!==this._callback.length){var b="DEPRECATED: listen should explicitly accept or reject for pattern: "+a.data[0];b+="\nhttps://github.com/deepstreamIO/deepstream.io-client-js/issues/212",console&&console.warn&&console.warn(b)}},b.exports=f},{"../constants/constants":35,"./resubscribe-notifier":52}],52:[function(a,b,c){var d=a("../constants/constants"),e=function(a,b){this._client=a,this._resubscribe=b,this._isReconnecting=!1,this._connectionStateChangeHandler=this._handleConnectionStateChanges.bind(this),this._client.on("connectionStateChanged",this._connectionStateChangeHandler)};e.prototype.destroy=function(){this._client.removeListener("connectionStateChanged",this._connectionStateChangeHandler),this._connectionStateChangeHandler=null,this._client=null},e.prototype._handleConnectionStateChanges=function(){var a=this._client.getConnectionState();a===d.CONNECTION_STATE.RECONNECTING&&this._isReconnecting===!1&&(this._isReconnecting=!0),a===d.CONNECTION_STATE.OPEN&&this._isReconnecting===!0&&(this._isReconnecting=!1,this._resubscribe())},b.exports=e},{"../constants/constants":35}],53:[function(a,b,c){var d=a("../constants/constants"),e=a("./resubscribe-notifier"),f=function(a,b,c,d,f){this._client=a,this._connection=b,this._topic=c,this._action=d,this._timeoutDuration=f,this._requests={},this._resubscribeNotifier=new e(this._client,this._resendRequests.bind(this))};f.prototype.hasRequest=function(a){return!!this._requests[a]},f.prototype.request=function(a,b){var c;this._requests[a]||(this._requests[a]=[],this._connection.sendMsg(this._topic,this._action,[a])),c=setTimeout(this._onResponseTimeout.bind(this,a),this._timeoutDuration),this._requests[a].push({timeout:c,callback:b})},f.prototype.recieve=function(a,b,c){var d=this._requests[a];for(i=0;i<d.length;i++)entry=d[i],clearTimeout(entry.timeout),entry.callback(b,c);delete this._requests[a]},f.prototype._onResponseTimeout=function(a){var b="No response received in time for "+this._topic+"|"+this._action+"|"+a;this._client._$onError(this._topic,d.EVENT.RESPONSE_TIMEOUT,b)},f.prototype._resendRequests=function(){for(var a in this._requests)this._connection.sendMsg(this._topic,this._action,[this._requests[a]])},b.exports=f},{"../constants/constants":35,"./resubscribe-notifier":52}],54:[function(a,b,c){(function(a){var b=/^[\s\uFEFF\xA0]+|[\s\uFEFF\xA0]+$/g,d="object";c.isNode="undefined"!=typeof a&&"[object process]"===a.toString(),c.nextTick=function(b){c.isNode?a.nextTick(b):setTimeout(b,0)},c.trim=function(a){return a.trim?a.trim():a.replace(b,"")},c.deepEquals=function(a,b){return typeof a!==d||typeof b!==d?a===b:JSON.stringify(a)===JSON.stringify(b)},c.deepCopy=function(a){return typeof a===d?JSON.parse(JSON.stringify(a)):a}}).call(this,a("_process"))},{_process:23}],55:[function(a,b,c){var d=a("./webrtc-connection"),e=a("component-emitter"),f=a("../constants/constants"),g=function(a,b){this._connection=a.connection,this._localId=a.localId,this._remoteId=a.remoteId,this._localStream=a.localStream,this._offer=a.offer,this._$webRtcConnection=null,this._bufferedIceCandidates=[],this._options=b,this.state=f.CALL_STATE.INITIAL,this.metaData=a.metaData||null,this.callee=a.isOutgoing?a.remoteId:a.localId,this.isOutgoing=a.isOutgoing,this.isIncoming=!a.isOutgoing,this.isAccepted=!1,this.isDeclined=!1,this.isOutgoing&&this._initiate()};e(g.prototype),g.prototype.accept=function(a){if(this.isAccepted)throw new Error("Incoming call is already accepted");if(this.isDeclined)throw new Error("Can't accept incoming call. Call was already declined");this.isAccepted=!0,this._$webRtcConnection=new d(this._connection,this._options,this._localId,this._remoteId),a&&this._$webRtcConnection.addStream(a),this._$webRtcConnection.setRemoteDescription(new RTCSessionDescription(this._offer)),this._$webRtcConnection.createAnswer(),this._$webRtcConnection.on("stream",this._onEstablished.bind(this)),this._$webRtcConnection.on("error",this.emit.bind(this,"error"));for(var b=0;b<this._bufferedIceCandidates.length;b++)this._$webRtcConnection.addIceCandidate(this._bufferedIceCandidates[b]);this._bufferedIceCandidates=[],this._stateChange(f.CALL_STATE.ACCEPTED)},g.prototype.decline=function(a){if(this.isAccepted)throw new Error("Can't decline incoming call. Call was already accepted");if(this.isDeclined)throw new Error("Incoming call was already declined");this.isDeclined=!0,this._connection.sendMsg(f.TOPIC.WEBRTC,f.ACTIONS.WEBRTC_CALL_DECLINED,[this._localId,this._remoteId,a||null]),this._$declineReceived(a||null)},g.prototype.end=function(){this._connection.sendMsg(f.TOPIC.WEBRTC,f.ACTIONS.WEBRTC_CALL_ENDED,[this._localId,this._remoteId,null]),this._$close()},g.prototype._$close=function(){this._stateChange(f.CALL_STATE.ENDED),this._$webRtcConnection&&this._$webRtcConnection.close(),this.emit("ended")},g.prototype._$addIceCandidate=function(a){this.isIncoming&&this.isAccepted===!1?this._bufferedIceCandidates.push(a):this._$webRtcConnection.addIceCandidate(a)},g.prototype._$declineReceived=function(a){this.isDeclined=!0,this.isAccepted=!1,this._stateChange(f.CALL_STATE.DECLINED),this.emit("declined",a)},g.prototype._stateChange=function(a){this.state=a,this.emit("stateChange",a)},g.prototype._initiate=function(){this._stateChange(f.CALL_STATE.CONNECTING),this._$webRtcConnection=new d(this._connection,this._options,this._localId,this._remoteId),this._$webRtcConnection.initiate(this._localStream,this.metaData),this._$webRtcConnection.on("stream",this._onEstablished.bind(this))},g.prototype._onEstablished=function(a){this.isDeclined=!1,this.isAccepted=!0,this._stateChange(f.CALL_STATE.ESTABLISHED),this.emit("established",a)},b.exports=g},{"../constants/constants":35,"./webrtc-connection":56,"component-emitter":5}],56:[function(a,b,c){var d=a("component-emitter"),e=a("../constants/constants"),f=function(){},g=function(a,b,c,d){this._connection=a,this._remoteId=d,this._localId=c,this._peerConnection=new RTCPeerConnection(b.rtcPeerConnectionConfig),this._peerConnection.onaddstream=this._onStream.bind(this),this._peerConnection.onicecandidate=this._onIceCandidate.bind(this),this._peerConnection.oniceconnectionstatechange=this._onIceConnectionStateChange.bind(this),this._constraints={mandatory:{OfferToReceiveAudio:!0,OfferToReceiveVideo:!0}}};d(g.prototype),g.prototype.initiate=function(a,b){this._peerConnection.addStream(a),this._peerConnection.createOffer(this._onOfferCreated.bind(this,b),this._onError.bind(this))},g.prototype.close=function(){this._peerConnection.close()},g.prototype.addStream=function(a){this._peerConnection.addStream(a);
+},g.prototype.setRemoteDescription=function(a){this._peerConnection.setRemoteDescription(a,f,this._onError.bind(this))},g.prototype.createAnswer=function(){this._peerConnection.createAnswer(this._onAnswerCreated.bind(this),this._onError.bind(this),this._constraints)},g.prototype.addIceCandidate=function(a){this._peerConnection.addIceCandidate(a,f,this._onError.bind(this))},g.prototype._onStream=function(a){this.emit("stream",a.stream)},g.prototype._onOfferCreated=function(a,b){this._sendMsg(e.ACTIONS.WEBRTC_OFFER,JSON.stringify({sdp:b.sdp,type:b.type,meta:a})),this._peerConnection.setLocalDescription(b,f,this._onError.bind(this))},g.prototype._onAnswerCreated=function(a){this._sendMsg(e.ACTIONS.WEBRTC_ANSWER,a.toJSON()),this._peerConnection.setLocalDescription(a,f,this._onError.bind(this))},g.prototype._sendMsg=function(a,b){this._connection.sendMsg(e.TOPIC.WEBRTC,a,[this._localId,this._remoteId,b])},g.prototype._onIceCandidate=function(a){a.candidate&&this._sendMsg(e.ACTIONS.WEBRTC_ICE_CANDIDATE,a.candidate.toJSON())},g.prototype._onIceConnectionStateChange=function(){"disconnected"===this._peerConnection.iceConnectionState&&this._connection.sendMsg(e.TOPIC.WEBRTC,e.ACTIONS.WEBRTC_IS_ALIVE,[this._remoteId])},g.prototype._onError=function(a){this.emit("error",a)},b.exports=g},{"../constants/constants":35,"component-emitter":5}],57:[function(a,b,c){var d=a("../constants/constants"),e=(a("./webrtc-connection"),a("./webrtc-call")),f=a("../utils/ack-timeout-registry"),g="callee-update",h=function(a,b,c){this._options=a,this._connection=b,this._client=c,this._localCallees={},this._remoteCallees=[],this._remoteCalleesCallback=null,this._ackTimeoutRegistry=new f(c,d.TOPIC.WEBRTC,this._options.calleeAckTimeout),this._ackTimeoutRegistry.on("timeout",this._removeCallee.bind(this)),this._calls={}};h.prototype.registerCallee=function(a,b){if(this._checkCompatibility(),"string"!=typeof a)throw new Error("Invalid callee name "+a);if("function"!=typeof b)throw new Error("Callback is not a function");if(this._localCallees[a])throw new Error("Callee "+a+" is already registered");this._localCallees[a]=b,this._ackTimeoutRegistry.add(a),this._connection.sendMsg(d.TOPIC.WEBRTC,d.ACTIONS.WEBRTC_REGISTER_CALLEE,[a])},h.prototype.unregisterCallee=function(a){if(!this._localCallees[a])throw new Error("Callee is not registered");this._removeCallee(a),this._ackTimeoutRegistry.add(a),this._connection.sendMsg(d.TOPIC.WEBRTC,d.ACTIONS.WEBRTC_UNREGISTER_CALLEE,[a])},h.prototype.makeCall=function(a,b,c){if(this._checkCompatibility(),"string"!=typeof a)throw new Error("Callee must be provided as string");if("object"!=typeof b)throw new Error("metaData must be provided");if(this._calls[a])throw new Error("Call with "+a+" is already in progress");var d=this._client.getUid();return this._ackTimeoutRegistry.add(d),this._createCall(a,{isOutgoing:!0,connection:this._connection,localId:d,remoteId:a,localStream:c,offer:null,metaData:b})},h.prototype.listenForCallees=function(a){if(null!==this._remoteCalleesCallback)throw new Error("Already listening for callees");this._remoteCalleesCallback=a,this._ackTimeoutRegistry.add(g),this._connection.sendMsg(d.TOPIC.WEBRTC,d.ACTIONS.WEBRTC_LISTEN_FOR_CALLEES)},h.prototype.unlistenForCallees=function(){if(!this._remoteCalleesCallback)throw new Error("Not listening for callees");this._remoteCalleesCallback=null,this._ackTimeoutRegistry.add(g),this._connection.sendMsg(d.TOPIC.WEBRTC,d.ACTIONS.WEBRTC_UNLISTEN_FOR_CALLEES)},h.prototype._handleIncomingCall=function(a){var b=a.data[0],c=a.data[1],d=JSON.parse(a.data[2]),e=this._createCall(b,{isOutgoing:!1,connection:this._connection,localId:c,remoteId:b,localStream:null,metaData:d.meta,offer:d});this._localCallees[c](e,d.meta)},h.prototype._removeCall=function(a){delete this._calls[a]},h.prototype._createCall=function(a,b){return this._calls[a]=new e(b,this._options),this._calls[a].on("ended",this._removeCall.bind(this,a)),this._calls[a]},h.prototype._isValidMessage=function(a){return 3===a.data.length&&"string"==typeof a.data[0]&&"string"==typeof a.data[1]&&"string"==typeof a.data[2]},h.prototype._isCalleeUpdate=function(a){return a.action===d.ACTIONS.WEBRTC_ALL_CALLEES||a.action===d.ACTIONS.WEBRTC_CALLEE_ADDED||a.action===d.ACTIONS.WEBRTC_CALLEE_REMOVED},h.prototype._checkCompatibility=function(){if("undefined"==typeof RTCPeerConnection||"undefined"==typeof RTCSessionDescription||"undefined"==typeof RTCIceCandidate){var a="RTC global objects not detected. \n";throw a+="deepstream expects a standardized WebRtc implementation (e.g. no vendor prefixes etc.) \n",a+="until WebRtc is fully supported, we recommend including the official WebRTC adapter script \n",a+="which can be found at https://github.com/webrtc/adapter",new Error(a)}},h.prototype._removeCallee=function(a){delete this._localCallees[a]},h.prototype._processCalleeUpdate=function(a){if(null===this._remoteCalleesCallback)return void this._client._$onError(d.TOPIC.WEBRTC,d.EVENT.UNSOLICITED_MESSAGE,a.raw);a.action===d.ACTIONS.WEBRTC_ALL_CALLEES&&(this._remoteCallees=a.data);var b=this._remoteCallees.indexOf(a.data[0]);if(a.action===d.ACTIONS.WEBRTC_CALLEE_ADDED){if(b!==-1)return;this._remoteCallees.push(a.data[0])}else if(a.action===d.ACTIONS.WEBRTC_CALLEE_REMOVED){if(b===-1)return;this._remoteCallees.splice(b,1)}this._remoteCalleesCallback(this._remoteCallees)},h.prototype._$handle=function(a){var b,c,e;return a.action===d.ACTIONS.ERROR?void this._client._$onError(d.TOPIC.WEBRTC,a.data[0],a.data[1]):a.action===d.ACTIONS.ACK?void this._ackTimeoutRegistry.clear(a):this._isCalleeUpdate(a)?void this._processCalleeUpdate(a):a.action===d.ACTIONS.WEBRTC_IS_ALIVE?void("false"===a.data[1]&&this._calls[a.data[0]]&&this._calls[a.data[0]]._$close()):this._isValidMessage(a)?a.action===d.ACTIONS.WEBRTC_OFFER?void this._handleIncomingCall(a):(b=this._calls[a.data[0]]||this._calls[a.data[1]])?a.action===d.ACTIONS.WEBRTC_ANSWER?(c=new RTCSessionDescription(JSON.parse(a.data[2])),void b._$webRtcConnection.setRemoteDescription(c)):a.action===d.ACTIONS.WEBRTC_ICE_CANDIDATE?(e=new RTCIceCandidate(JSON.parse(a.data[2])),void b._$addIceCandidate(e)):a.action===d.ACTIONS.WEBRTC_CALL_DECLINED?void b._$declineReceived(a.data[2]):a.action===d.ACTIONS.WEBRTC_CALL_ENDED?void b._$close():void this._client._$onError(d.TOPIC.WEBRTC,d.EVENT.EVENT.MESSAGE_PARSE_ERROR,"unsupported action "+a.action):void this._client._$onError(d.TOPIC.WEBRTC,d.EVENT.UNSOLICITED_MESSAGE,a.raw):void this._client._$onError(d.TOPIC.WEBRTC,d.EVENT.MESSAGE_PARSE_ERROR,a)},b.exports=h},{"../constants/constants":35,"../utils/ack-timeout-registry":50,"./webrtc-call":55,"./webrtc-connection":56}]},{},[34])(34)});
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