Don't use given object as-is

FlexConfirmMail · Jun 10, 2022 · 682eb62 · 682eb62
1 parent 1daab6c
commit 682eb62
Showing 1 changed file with 1 addition and 1 deletion.
diff --git 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);