From 5a294c8646452d6e49339d145faeae4f31dcd0fc Mon Sep 17 00:00:00 2001
From: Greg Thornton
Date: Sun, 23 Jun 2013 14:04:59 -0500
Subject: feat(Angular.js): skip JSON.stringify for undefined

Return early in `angular.toJson` if the object to be stringified is `undefined`.
IE8 stringifies `undefined` to `'undefined'` whereas other browsers return
`undefined`. This normalizes behavior and passes currently broken unit tests
in IE8.
---
 test/AngularSpec.js | 4 ++++
 1 file changed, 4 insertions(+)

(limited to 'test/AngularSpec.js')

diff --git a/test/AngularSpec.js b/test/AngularSpec.js
index bf952249..da70aef7 100644
--- a/test/AngularSpec.js
+++ b/test/AngularSpec.js
@@ -909,6 +909,10 @@ describe('angular', function() {
     it('should not serialize scope instances', inject(function($rootScope) {
       expect(toJson({key: $rootScope})).toEqual('{"key":"$SCOPE"}');
     }));
+
+    it('should serialize undefined as undefined', function() {
+      expect(toJson(undefined)).toEqual(undefined);
+    });
   });
 
 });
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