From 682eb621bb4d7cb47d80c9bee61bb7a4a8692ea0 Mon Sep 17 00:00:00 2001
From: "YUKI \"Piro\" Hiroshi" <piro.outsider.reflex@gmail.com>
Date: Fri, 10 Jun 2022 17:12:17 +0900
Subject: [PATCH] Don't use given object as-is

---
 webextensions/common/resizable-box.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/webextensions/common/resizable-box.js b/webextensions/common/resizable-box.js
index ee145f4..5387cde 100644
--- a/webextensions/common/resizable-box.js
+++ b/webextensions/common/resizable-box.js
@@ -15,7 +15,7 @@ let mResizableBoxCount = 0;
 const mResizableBoxes = new Map();
 
 export function init(sizes) {
-  mSizes = (sizes && typeof sizes == 'object') ? sizes : {};
+  mSizes = (sizes && typeof sizes == 'object') ? JSON.parse(JSON.stringify(sizes)) : {};
 
   for (const splitter of document.querySelectorAll('hr.splitter')) {
     const previousBox = findPreviousResizableBox(splitter);