added class as a constant keyword to generated code

Author: mhevery

src/Scope.js

@@ -46,15 +46,22 @@ function setter(instance, path, value){
 ///////////////////////////////////
 
 var getterFnCache = {};
-var JS_KEYWORDS = ["this", "throw", "for", "foreach", "var", "const"];
+var JS_KEYWORDS = {};
+foreach(
+  ["break", "const", "continue", "class", "delete",
+   "do", "while", "for", "function", "if",
+   "instanceof", "new", "return", "switch",
+   "this", "throw", "try", "catch", "with"],
+  function(key){ JS_KEYWORDS[key] = true;}
+);
 function getterFn(path){
   var fn = getterFnCache[path];
   if (fn) return fn;
 
   var code = 'function (self){\n';
   code += '  var last, fn, type;\n';
   foreach(path.split('.'), function(key) {
-    key = (includes(JS_KEYWORDS, key)) ? '["' + key + '"]' : '.' + key;
+    key = (JS_KEYWORDS[key]) ? '["' + key + '"]' : '.' + key;
     code += '  if(!self) return self;\n';
     code += '  last = self;\n';
     code += '  self = self' + key + ';\n';

test/BinderTest.js

@@ -396,14 +396,12 @@ BinderTest.prototype.testBindClass = function() {
   c.scope.$set('class', 'testClass');
   c.scope.$eval();
 
-  assertEquals(sortedHtml(c.node),
-      '<div class="testClass" ng:class="class"></div>');
+  assertEquals('<div class="testClass" ng:class="class"></div>', sortedHtml(c.node));
 
   c.scope.$set('class', ['a', 'b']);
   c.scope.$eval();
 
-  assertEquals(sortedHtml(c.node),
-      '<div class="a b" ng:class="class"></div>');
+  assertEquals('<div class="a b" ng:class="class"></div>', sortedHtml(c.node));
 };
 
 BinderTest.prototype.testBindClassEvenOdd = function() {