add classProps declaration to simplify/nicen up class property defining - closes #88

test/fixtures/transformation/classes/instance-method/expected.js

@@ -1,9 +1,14 @@
 "use strict";
 
+var _classProps = function (child, staticProps, instanceProps) {
+  if (staticProps) Object.defineProperties(child, staticProps);
+  if (instanceProps) Object.defineProperties(child.prototype, instanceProps);
+};
+
 var Test = function() {
   var Test = function Test() {};
 
-  Object.defineProperties(Test.prototype, {
+  _classProps(Test, null, {
     test: {
       writable: true,
 
@@ -14,4 +19,4 @@ var Test = function() {
   });
 
   return Test;
-}();
+}();