From d997c74d7057f26038432d38ec544d3796db6727 Mon Sep 17 00:00:00 2001
From: Sami Samhuri <sami.samhuri@gmail.com>
Date: Mon, 8 Nov 2010 23:33:21 -0800
Subject: [PATCH] support multiple simultaneous requests, version bump

---
 lib/index.js | 118 ++++++++++++++++++++++++++++-----------------------
 1 file changed, 64 insertions(+), 54 deletions(-)

diff --git a/lib/index.js b/lib/index.js
index 53d3222..b5a8fc4 100644
--- a/lib/index.js
+++ b/lib/index.js
@@ -11,7 +11,8 @@
 (function() {
     var global = this
       , isBrowser = 'document' in global
-      , request = isBrowser ? xhr : require('request')
+      // when running in the browser request is set later
+      , request = isBrowser ? null : require('request')
       , Blob, Branch, Commit, Raw, Repo, Tree, User
       , api
 
@@ -316,6 +317,7 @@
         Object.defineProperty(obj, prop, opts)
     }
 
+    // util.inherits from node
     function inherits(ctor, superCtor) {
         ctor.super_ = superCtor
         ctor.prototype = Object.create(superCtor.prototype, {
@@ -325,48 +327,6 @@
             }
         })
     }
-
-    function xhr(options, cb) {
-        GITR._jsonpCallback = function(obj) {
-            cb(null, null, obj)
-        }
-        ;(function (global, oDOC, handler) {
-            options.uri += '?callback=GITR._jsonpCallback'
-            var head = oDOC.head || oDOC.getElementsByTagName("head")
-
-            // loading code borrowed directly from LABjs itself
-            setTimeout(function () {
-                if ("item" in head) { // check if ref is still a live node list
-                    if (!head[0]) { // append_to node not yet ready
-                        setTimeout(arguments.callee, 25)
-                        return
-                    }
-                    head = head[0]; // reassign from live node list ref to pure node ref -- avoids nasty IE bug where changes to DOM invalidate live node lists
-                }
-                var scriptElem = oDOC.createElement("script"),
-                    scriptdone = false
-                scriptElem.onload = scriptElem.onreadystatechange = function () {
-                    if ((scriptElem.readyState && scriptElem.readyState !== "complete" && scriptElem.readyState !== "loaded") || scriptdone) {
-                        return false
-                    }
-                    scriptElem.onload = scriptElem.onreadystatechange = null
-                    scriptdone = true
-                };
-                scriptElem.src = options.uri
-                head.insertBefore(scriptElem, head.firstChild)
-            }, 0)
-
-            // required: shim for FF <= 3.5 not having document.readyState
-            if (oDOC.readyState == null && oDOC.addEventListener) {
-                oDOC.readyState = "loading"
-                oDOC.addEventListener("DOMContentLoaded", handler = function () {
-                    oDOC.removeEventListener("DOMContentLoaded", handler, false)
-                    oDOC.readyState = "complete"
-                }, false)
-            }
-        })(window, document)
-    }
-
     // get an only property, if any
     function onlyProp(obj) {
         if (obj && typeof obj === 'object') {
@@ -386,19 +346,32 @@
 
     function titleCaseFirst(s) { return s.charAt(0).toUpperCase() + s.slice(1) }
 
-    if (isBrowser) {
-        function update(array, args) {
-            var arrayLength = array.length, length = args.length;
-            while (length--) array[arrayLength + length] = args[length];
-            return array;
+    
+    // Browser Utilities //
+
+    if (isBrowser) (function() {
+        var update, merge, load, _jsonpCounter = 1
+        request = function(options, cb) { // jsonp request
+            var jsonpCallbackName = '_jsonpCallback' + _jsonpCounter++
+              , url = options.uri + '?callback=GITR.' + jsonpCallbackName
+            GITR[jsonpCallbackName] = function(obj) {
+                cb(null, null, obj)
+                setTimeout(function() { delete GITR[jsonpCallbackName] }, 0)
+            }
+            load(url)
         }
 
-        function merge(array, args) {
-            array = [].slice.call(array, 0);
-            return update(array, args);
-        }
-        
+        // bind from Prototype (for Safari 5)
         if (!Function.prototype.bind) {
+            update = function(array, args) {
+                var arrayLength = array.length, length = args.length
+                while (length--) array[arrayLength + length] = args[length]
+                return array
+            }
+            merge = function(array, args) {
+                array = [].slice.call(array, 0)
+                return update(array, args)
+            }
             Function.prototype.bind = function(context) {
                 if (arguments.length < 2 && typeof arguments[0] === 'undefined') return this
                 var __method = this, args = [].slice.call(arguments, 1)
@@ -408,5 +381,42 @@
                 }
             }
         }
-    }
+        // bootstrap loader from LABjs
+        load = function(url) {
+            var oDOC = document
+              , handler
+              , head = oDOC.head || oDOC.getElementsByTagName("head")
+
+            // loading code borrowed directly from LABjs itself
+            setTimeout(function () {
+                if ("item" in head) { // check if ref is still a live node list
+                    if (!head[0]) { // append_to node not yet ready
+                        setTimeout(arguments.callee, 25)
+                        return
+                    }
+                    head = head[0]; // reassign from live node list ref to pure node ref -- avoids nasty IE bug where changes to DOM invalidate live node lists
+                }
+                var scriptElem = oDOC.createElement("script"),
+                    scriptdone = false
+                scriptElem.onload = scriptElem.onreadystatechange = function () {
+                    if ((scriptElem.readyState && scriptElem.readyState !== "complete" && scriptElem.readyState !== "loaded") || scriptdone) {
+                        return false
+                    }
+                    scriptElem.onload = scriptElem.onreadystatechange = null
+                    scriptdone = true
+                };
+                scriptElem.src = url
+                head.insertBefore(scriptElem, head.firstChild)
+            }, 0)
+
+            // required: shim for FF <= 3.5 not having document.readyState
+            if (oDOC.readyState == null && oDOC.addEventListener) {
+                oDOC.readyState = "loading"
+                oDOC.addEventListener("DOMContentLoaded", handler = function () {
+                    oDOC.removeEventListener("DOMContentLoaded", handler, false)
+                    oDOC.readyState = "complete"
+                }, false)
+            }
+        }
+    }())
 }())
\ No newline at end of file