From d8eaed444a24932e5bab20245c1c445cbce8ae06 Mon Sep 17 00:00:00 2001
From: FelisCatus <catusx@gmail.com>
Date: Sat, 14 Feb 2015 13:15:15 +0800
Subject: [PATCH] Fix browserStorage returning null for non-existing keys.

---
 omega-target/src/browser_storage.coffee | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/omega-target/src/browser_storage.coffee b/omega-target/src/browser_storage.coffee
index f2b400f..05d0575 100644
--- a/omega-target/src/browser_storage.coffee
+++ b/omega-target/src/browser_storage.coffee
@@ -14,9 +14,10 @@ class BrowserStorage extends Storage
         map[key] = undefined
     else if typeof keys == 'object'
       map = keys
-    for own key, value of map
+    for own key of map
       try
-        map[key] = JSON.parse(@proto.getItem.call(@storage, @prefix + key))
+        value = JSON.parse(@proto.getItem.call(@storage, @prefix + key))
+      map[key] = value if value?
       if typeof map[key] == 'undefined'
         delete map[key]
     Promise.resolve map