From 8bedd21c3a7995d8a8074260180fbd7a316964f3 Mon Sep 17 00:00:00 2001
From: ccd0 <admin@containerchan.org>
Date: Mon, 28 Jan 2019 01:28:59 -0800
Subject: [PATCH] Recover as well as possible from data corruption caused by ad
 filter interaction with Tampermonkey. #2218

---
 src/platform/$.coffee | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/src/platform/$.coffee b/src/platform/$.coffee
index 741ad335c..241c5fbb4 100644
--- a/src/platform/$.coffee
+++ b/src/platform/$.coffee
@@ -648,7 +648,12 @@ else
 
   $.getSync = (items, cb) ->
     for key of items when (val2 = $.getValue g.NAMESPACE + key)
-      items[key] = JSON.parse val2
+      try
+        items[key] = JSON.parse val2
+      catch err
+        # XXX https://github.com/ccd0/4chan-x/issues/2218
+        unless /^(?:undefined)*$/.test(val2)
+          throw err
     cb items
 
   $.set = $.oneItemSugar (items, cb) ->