fixed race condition in instrumentation; issue #1

js/inject/debug.js

@@ -1,16 +1,6 @@
 var inject = function () {
-  if (document.cookie.indexOf('__ngDebug=true') == -1) {
-    return;
-  }
-  if (document.head) {
-
-    document.head.insertBefore(
-      (function () {
+  document.head.appendChild((function () {
     var fn = function (window) {
-          //alert('script');
-          var patch = function () {
-            if (window.angular && typeof window.angular.bootstrap === 'function') {
-
       // do not patch twice
       if (window.__ngDebug) {
         return;
@@ -25,9 +15,21 @@ var inject = function () {
       var ng = angular.module('ng');
       ng.config(function ($provide) {
 
-                $provide.decorator('$rootScope',
+        // patch $injector
+        // ---------------
+        /*
+        $provide.decorator('$injector',
           function ($delegate) {
+            console.log($delegate);
+            var get = $delegate.__proto__.get;
+            $delegate.__proto__.get = function () {
+              return get.apply(this, arguments);
+            };
+            return $delegate;
+          });
+        */
 
+        $provide.decorator('$rootScope', function ($delegate) {
           var watchFnToHumanReadableString = function (fn) {
             if (fn.exp) {
               return fn.exp.trim();
@@ -156,27 +158,17 @@ var inject = function () {
 
           return $delegate;
         });
-
       });
-
-            } else {
-              setTimeout(patch, 1);
-            }
-          };
-
-          patch();
     };
 
     var script = window.document.createElement('script');
     script.innerHTML = '(' + fn.toString() + '(window))';
     
     return script;
-      }()),
-      document.head.firstChild);
-
-  } else {
-    setTimeout(inject, 1);
-  }
+  }()));
 };
 
-inject();
+// only inject if cookie is set
+if (document.cookie.indexOf('__ngDebug=true') != -1) {
+  document.addEventListener('DOMContentLoaded', inject);
+}