refactor(): simplify nodeLinkFn

Author: IgorMinar

src/ng/compile.js

@@ -706,12 +706,12 @@ function $CompileProvider($provide) {
         }
         $element = attrs.$$element;
 
-        if (newScopeDirective && isObject(newScopeDirective.scope)) {
+        if (newIsolatedScopeDirective) {
           var LOCAL_REGEXP = /^\s*([@=&])\s*(\w*)\s*$/;
 
           var parentScope = scope.$parent || scope;
 
-          forEach(newScopeDirective.scope, function(definiton, scopeName) {
+          forEach(newIsolatedScopeDirective.scope, function(definiton, scopeName) {
             var match = definiton.match(LOCAL_REGEXP) || [],
                 attrName = match[2]|| scopeName,
                 mode = match[1], // @, =, or &
@@ -734,7 +734,7 @@ function $CompileProvider($provide) {
                   // reset the change, or we will throw this exception on every $digest
                   lastValue = scope[scopeName] = parentGet(parentScope);
                   throw Error(NON_ASSIGNABLE_MODEL_EXPRESSION + attrs[attrName] +
-                      ' (directive: ' + newScopeDirective.name + ')');
+                      ' (directive: ' + newIsolatedScopeDirective.name + ')');
                 };
                 lastValue = scope[scopeName] = parentGet(parentScope);
                 scope.$watch(function parentValueWatch() {
@@ -765,7 +765,7 @@ function $CompileProvider($provide) {
 
               default: {
                 throw Error('Invalid isolate scope definition for directive ' +
-                    newScopeDirective.name + ': ' + definiton);
+                    newIsolatedScopeDirective.name + ': ' + definiton);
               }
             }
           });