Move the "ace" function check inside the directive so that it only blurbs

when the user tries to use it

Author: David HAN SZE CHUEN

ui-ace.js

@@ -2,9 +2,6 @@
 angular.module('ui.ace', []).constant('uiAceConfig', {}).directive('uiAce', [
   'uiAceConfig',
   function (uiAceConfig) {
-    if (angular.isUndefined(window.ace)) {
-      throw new Error('ui-ace need ace to work... (o rly?)');
-    }
     return {
       restrict: 'EA',
       require: '?ngModel',
@@ -13,6 +10,11 @@ angular.module('ui.ace', []).constant('uiAceConfig', {}).directive('uiAce', [
         options = uiAceConfig.ace || {};
         opts = angular.extend({}, options, scope.$eval(attrs.uiAce));
         var $ace = opts.ace || window.ace; // find out own "ace" reference, or use the global one
+        
+        if (!$ace) {
+          throw new Error('ui-ace need ace to work... (o rly?)');
+        }
+
         acee = $ace.edit(elm[0]);
         session = acee.getSession();
         onChange = function (callback) {