From 47cf9b6980db61d8b0808fdea3e52c76b057ee72 Mon Sep 17 00:00:00 2001
From: Chris Wiegand <chris.wiegand@gmail.com>
Date: Tue, 3 Jun 2014 21:55:16 -0600
Subject: [PATCH] fix JSON.parse(null)

if window.localStorage.config is null then JSON.parse returns an error about "u" not being valid (the word "undefined" is not valid JSON apparently :). So I test for null-ness first.
---
 src/config/localStorage.js | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/config/localStorage.js b/src/config/localStorage.js
index fe59fdf3..4eafa45a 100644
--- a/src/config/localStorage.js
+++ b/src/config/localStorage.js
@@ -17,7 +17,8 @@ function LocalStorage() {
  * if config is null the default config will be used
  */
 LocalStorage.prototype.read = function () {
-  var cf = JSON.parse(window.localStorage.getItem("config"));
+  var raw = window.localStorage.getItem("config");
+  var cf = (raw === null ? null : JSON.parse(raw));
   if (cf === null) {
     this.config = this.default_config;
     this.write();