From 95e890d99ac6b8462fc02722e60b1dbd17c9c29d Mon Sep 17 00:00:00 2001
From: Kevin Jahns <kevin.jahns@protonmail.com>
Date: Tue, 4 Aug 2026 10:07:06 +0200
Subject: [PATCH] fix #797 - undomanager clears destroy handler

---
 src/utils/UndoManager.js | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/src/utils/UndoManager.js b/src/utils/UndoManager.js
index 98410e4d..e5c4dc82 100644
--- a/src/utils/UndoManager.js
+++ b/src/utils/UndoManager.js
@@ -265,10 +265,9 @@ export class UndoManager extends ObservableV2 {
         this.emit('stack-item-updated', changeEvent)
       }
     }
+    this.destroy = this.destroy.bind(this)
     this.doc.on('afterTransaction', this.afterTransactionHandler)
-    this.doc.on('destroy', () => {
-      this.destroy()
-    })
+    this.doc.on('destroy', this.destroy)
   }
 
   /**
@@ -395,6 +394,7 @@ export class UndoManager extends ObservableV2 {
   destroy () {
     this.trackedOrigins.delete(this)
     this.doc.off('afterTransaction', this.afterTransactionHandler)
+    this.doc.off('destroy', this.destroy)
     super.destroy()
   }
 }