1 files changed, 265 insertions, 0 deletions

diff --git a/signaling-server/node_modules/socket.io/node_modules/socket.io-client/components/learnboost-engine.io-client/lib/util.js b/signaling-server/node_modules/socket.io/node_modules/socket.io-client/components/learnboost-engine.io-client/lib/util.js
new file mode 100644
index 0000000..dd9b27c
--- /dev/null
+++ b/signaling-server/node_modules/socket.io/node_modules/socket.io-client/components/learnboost-engine.io-client/lib/util.js
@@ -0,0 +1,265 @@
+
+/**
+ * Status of page load.
+ */
+
+var pageLoaded = false;
+
+/**
+ * Global reference.
+ */
+
+var global = 'undefined' != typeof window ? window : global;
+
+/**
+ * Inheritance.
+ *
+ * @param {Function} ctor a
+ * @param {Function} ctor b
+ * @api private
+ */
+
+exports.inherits = function inherits (a, b) {
+  function c () { }
+  c.prototype = b.prototype;
+  a.prototype = new c;
+};
+
+/**
+ * Object.keys
+ */
+
+exports.keys = Object.keys || function (obj) {
+  var ret = [];
+  var has = Object.prototype.hasOwnProperty;
+
+  for (var i in obj) {
+    if (has.call(obj, i)) {
+      ret.push(i);
+    }
+  }
+
+  return ret;
+};
+
+/**
+ * Adds an event.
+ *
+ * @api private
+ */
+
+exports.on = function (element, event, fn, capture) {
+  if (element.attachEvent) {
+    element.attachEvent('on' + event, fn);
+  } else if (element.addEventListener) {
+    element.addEventListener(event, fn, capture);
+  }
+};
+
+/**
+ * Load utility.
+ *
+ * @api private
+ */
+
+exports.load = function (fn) {
+  if (global.document && document.readyState === 'complete' || pageLoaded) {
+    return fn();
+  }
+
+  exports.on(global, 'load', fn, false);
+};
+
+/**
+ * Change the internal pageLoaded value.
+ */
+
+if ('undefined' != typeof window) {
+  exports.load(function () {
+    pageLoaded = true;
+  });
+}
+
+/**
+ * Defers a function to ensure a spinner is not displayed by the browser.
+ *
+ * @param {Function} fn
+ * @api private
+ */
+
+exports.defer = function (fn) {
+  if (!exports.ua.webkit || 'undefined' != typeof importScripts) {
+    return fn();
+  }
+
+  exports.load(function () {
+    setTimeout(fn, 100);
+  });
+};
+
+/**
+ * JSON parse.
+ *
+ * @see Based on jQuery#parseJSON (MIT) and JSON2
+ * @api private
+ */
+
+var rvalidchars = /^[\],:{}\s]*$/
+  , rvalidescape = /\\(?:["\\\/bfnrt]|u[0-9a-fA-F]{4})/g
+  , rvalidtokens = /"[^"\\\n\r]*"|true|false|null|-?\d+(?:\.\d*)?(?:[eE][+\-]?\d+)?/g
+  , rvalidbraces = /(?:^|:|,)(?:\s*\[)+/g
+  , rtrimLeft = /^\s+/
+  , rtrimRight = /\s+$/
+
+exports.parseJSON = function (data) {
+  if ('string' != typeof data || !data) {
+    return null;
+  }
+
+  data = data.replace(rtrimLeft, '').replace(rtrimRight, '');
+
+  // Attempt to parse using the native JSON parser first
+  if (global.JSON && JSON.parse) {
+    return JSON.parse(data);
+  }
+
+  if (rvalidchars.test(data.replace(rvalidescape, '@')
+      .replace(rvalidtokens, ']')
+      .replace(rvalidbraces, ''))) {
+    return (new Function('return ' + data))();
+  }
+};
+
+/**
+ * UA / engines detection namespace.
+ *
+ * @namespace
+ */
+
+exports.ua = {};
+
+/**
+ * Whether the UA supports CORS for XHR.
+ *
+ * @api private
+ */
+
+exports.ua.hasCORS = 'undefined' != typeof XMLHttpRequest && (function () {
+  try {
+    var a = new XMLHttpRequest();
+  } catch (e) {
+    return false;
+  }
+
+  return a.withCredentials != undefined;
+})();
+
+/**
+ * Detect webkit.
+ *
+ * @api private
+ */
+
+exports.ua.webkit = 'undefined' != typeof navigator &&
+  /webkit/i.test(navigator.userAgent);
+
+/**
+ * Detect gecko.
+ *
+ * @api private
+ */
+
+exports.ua.gecko = 'undefined' != typeof navigator &&
+  /gecko/i.test(navigator.userAgent);
+
+/**
+ * Detect android;
+ */
+
+exports.ua.android = 'undefined' != typeof navigator &&
+  /android/i.test(navigator.userAgent);
+
+/**
+ * Detect iOS.
+ */
+
+exports.ua.ios = 'undefined' != typeof navigator &&
+  /^(iPad|iPhone|iPod)$/.test(navigator.platform);
+exports.ua.ios6 = exports.ua.ios && /OS 6_/.test(navigator.userAgent);
+
+/**
+ * XHR request helper.
+ *
+ * @param {Boolean} whether we need xdomain
+ * @api private
+ */
+
+exports.request = function request (xdomain) {
+  if ('undefined' != typeof process) {
+    var XMLHttpRequest = require('xmlhttprequest').XMLHttpRequest;
+    return new XMLHttpRequest();
+  }
+
+  if (xdomain && 'undefined' != typeof XDomainRequest && !exports.ua.hasCORS) {
+    return new XDomainRequest();
+  }
+
+  // XMLHttpRequest can be disabled on IE
+  try {
+    if ('undefined' != typeof XMLHttpRequest && (!xdomain || exports.ua.hasCORS)) {
+      return new XMLHttpRequest();
+    }
+  } catch (e) { }
+
+  if (!xdomain) {
+    try {
+      return new ActiveXObject('Microsoft.XMLHTTP');
+    } catch(e) { }
+  }
+};
+
+/**
+ * Parses an URI
+ *
+ * @author Steven Levithan <stevenlevithan.com> (MIT license)
+ * @api private
+ */
+
+var re = /^(?:(?![^:@]+:[^:@\/]*@)([^:\/?#.]+):)?(?:\/\/)?((?:(([^:@]*)(?::([^:@]*))?)?@)?([^:\/?#]*)(?::(\d*))?)(((\/(?:[^?#](?![^?#\/]*\.[^?#\/.]+(?:[?#]|$)))*\/?)?([^?#\/]*))(?:\?([^#]*))?(?:#(.*))?)/;
+
+var parts = [
+    'source', 'protocol', 'authority', 'userInfo', 'user', 'password', 'host'
+  , 'port', 'relative', 'path', 'directory', 'file', 'query', 'anchor'
+];
+
+exports.parseUri = function (str) {
+  var m = re.exec(str || '')
+    , uri = {}
+    , i = 14;
+
+  while (i--) {
+    uri[parts[i]] = m[i] || '';
+  }
+
+  return uri;
+};
+
+/**
+ * Compiles a querystring
+ *
+ * @param {Object}
+ * @api private
+ */
+
+exports.qs = function (obj) {
+  var str = '';
+
+  for (var i in obj) {
+    if (obj.hasOwnProperty(i)) {
+      if (str.length) str += '&';
+      str += i + '=' + encodeURIComponent(obj[i]);
+    }
+  }
+
+  return str;
+};