From d605e5eeaa6a6e6c9d55dd76c9d701dadef05f4a Mon Sep 17 00:00:00 2001
From: Olivier Tassinari <olivier.tassinari@gmail.com>
Date: Tue, 15 Nov 2022 23:14:18 +0100
Subject: [PATCH] [docs] Fix undo/redo in live editor

---
 docs/src/modules/components/Demo.js | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/docs/src/modules/components/Demo.js b/docs/src/modules/components/Demo.js
index 49d83c1f642422..01e1c45e4438b9 100644
--- a/docs/src/modules/components/Demo.js
+++ b/docs/src/modules/components/Demo.js
@@ -472,6 +472,8 @@ export default function Demo(props) {
             />
           ) : (
             <DemoEditor
+              // Mount a new text editor when the preview mode change to reset the undo/redo history.
+              key={editorCode.isPreview}
               value={editorCode.value}
               onChange={(value) => {
                 setEditorCode({