From b7b58884314e4291495edab6dbd02f4525369a2d Mon Sep 17 00:00:00 2001
From: eight <eight04@gmail.com>
Date: Thu, 14 Sep 2017 09:09:40 +0800
Subject: [PATCH] Fix: should't edit the style object directly returned from
 getStyles cache

---
 edit/source-editor.js | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/edit/source-editor.js b/edit/source-editor.js
index e8d14001..b5b6c2af 100644
--- a/edit/source-editor.js
+++ b/edit/source-editor.js
@@ -6,6 +6,9 @@
 'use strict';
 
 function createSourceEditor(style) {
+  // style might be an object reference to background page
+  style = deepCopy(style);
+
   // draw HTML
   $('#sections').innerHTML = '';
   $('#name').disabled = true;
@@ -271,7 +274,7 @@ function createSourceEditor(style) {
   }
 
   function replaceStyle(newStyle) {
-    style = newStyle;
+    style = deepCopy(newStyle);
     updateMetas();
     if (style.source !== cm.getValue()) {
       const cursor = cm.getCursor();