From 498402e9ef939bf4808c5e8ca55db7792ef24df5 Mon Sep 17 00:00:00 2001
From: kangax <juriyzaytsev@iBook.local>
Date: Wed, 16 Apr 2008 23:12:19 -0400
Subject: [PATCH] Alternative Object.keys/Object.values fix for IE

---
 src/base.js |   41 +++++++++++++++++++++++++++++++++++++++++
 1 files changed, 41 insertions(+), 0 deletions(-)

diff --git a/src/base.js b/src/base.js
index 2d75f32..3335fe5 100644
--- a/src/base.js
+++ b/src/base.js
@@ -209,6 +209,47 @@ Object.extend(Function.prototype, {
   }
 });
 
+(function(){
+  var isDontEnumSkipped = true;
+  var DontEnumProperties = [
+    'toString',
+    'toLocaleString',
+    'valueOf',
+    'hasOwnProperty',
+    'isPrototypeOf',
+    'propertyIsEnumerable',
+    'constructor'
+  ]
+  var length = DontEnumProperties.length;
+  var hasOwnProperty = Object.prototype.hasOwnProperty;
+  
+  // test if properties that shadow DontEnum ones are enumerated
+  for (var prop in { toString: true }) {
+    isDontEnumSkipped = false;
+  }
+  
+  if (isDontEnumSkipped) {
+    
+    Object.keys = Object.keys.wrap(function(proceed, object) {
+      var keys = proceed(object);
+      for (var i=0; i<length; i++) {
+        if (hasOwnProperty.call(object, DontEnumProperties[i]))
+          keys.push(DontEnumProperties[i]);
+      }
+      return keys;
+    });
+    
+    Object.values = Object.values.wrap(function(proceed, object) {
+      var values = proceed(object);
+      for (var i=0; i<length; i++) {
+        if (hasOwnProperty.call(object, DontEnumProperties[i]))
+          values.push(object[DontEnumProperties[i]])
+      }
+      return values;
+    })
+  }
+})();
+
 Function.prototype.defer = Function.prototype.delay.curry(0.01);
 
 Date.prototype.toJSON = function() {
-- 
1.5.3.8