From 53310a0a805c1fb6f77ca1798d9efe89ebd6fc13 Mon Sep 17 00:00:00 2001
From: Billy Lamberta <b@lamberta.org>
Date: Wed, 10 Apr 2013 20:28:54 -0700
Subject: [PATCH] Wrap localStorage check in try/catch.

---
 src/persistent_storage.js | 10 ++++++++--
 1 file changed, 8 insertions(+), 2 deletions(-)

diff --git a/src/persistent_storage.js b/src/persistent_storage.js
index 2812c019..bd8b21aa 100644
--- a/src/persistent_storage.js
+++ b/src/persistent_storage.js
@@ -5,15 +5,21 @@
  */
 
 var PersistentStorage = (function() {
-  var ls = window.localStorage, methods;
+  var ls, methods;
 
+  try {
+    ls = window.localStorage;
+  } catch (err) {
+    ls = null;
+  }
+  
   function PersistentStorage(namespace) {
     this.prefix = ['__', namespace, '__'].join('');
     this.ttlKey = '__ttl__';
     this.keyMatcher = new RegExp('^' + this.prefix);
   }
 
-  if (window.localStorage && window.JSON) {
+  if (ls && window.JSON) {
     methods = {
 
       // private methods