From 2ea8e7240ed045b916955deaa568e9d2a61779ad Mon Sep 17 00:00:00 2001
From: Artur Arseniev <artur.catch@hotmail.it>
Date: Wed, 12 May 2021 08:30:18 +0200
Subject: [PATCH] Clear undo cache with noUndo

---
 src/undo_manager/index.js | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/src/undo_manager/index.js b/src/undo_manager/index.js
index c5236cd5e..b8164db20 100644
--- a/src/undo_manager/index.js
+++ b/src/undo_manager/index.js
@@ -73,9 +73,10 @@ export default () => {
         on(object, v, opts) {
           !beforeCache && (beforeCache = object.previousAttributes());
           const opt = opts || v || {};
-          setTimeout(() => {
-            beforeCache = null;
-          });
+          opt.noUndo &&
+            setTimeout(() => {
+              beforeCache = null;
+            });
           if (hasSkip(opt)) {
             return;
           } else {