From 87ccb86f5407e413618e23a6650660e93b4f2443 Mon Sep 17 00:00:00 2001
From: Laurent Cozic <laurent@cozic.net>
Date: Thu, 25 Jun 2020 20:27:14 +0100
Subject: [PATCH] All: Reducer should not mutate state

---
 ReactNativeClient/lib/reducer.js | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/ReactNativeClient/lib/reducer.js b/ReactNativeClient/lib/reducer.js
index 909ff2acf..d141ed99c 100644
--- a/ReactNativeClient/lib/reducer.js
+++ b/ReactNativeClient/lib/reducer.js
@@ -467,14 +467,14 @@ function handleHistory(state, action) {
 
 		backwardHistoryNotes = backwardHistoryNotes.map(note => {
 			if (note.id === modNote.id) {
-				return Object.assign(note, { parent_id: modNote.parent_id, selectedFolderId: modNote.parent_id });
+				return Object.assign({}, note, { parent_id: modNote.parent_id, selectedFolderId: modNote.parent_id });
 			}
 			return note;
 		});
 
 		forwardHistoryNotes = forwardHistoryNotes.map(note => {
 			if (note.id === modNote.id) {
-				return Object.assign(note, { parent_id: modNote.parent_id, selectedFolderId: modNote.parent_id });
+				return Object.assign({}, note, { parent_id: modNote.parent_id, selectedFolderId: modNote.parent_id });
 			}
 			return note;
 		});