From ceae18f4cb505a54eb624a1a14d889ecaa7f6d98 Mon Sep 17 00:00:00 2001
From: Kevin Jahns <kevin.jahns@protonmail.com>
Date: Tue, 4 Aug 2026 10:17:09 +0200
Subject: [PATCH] fix #797 - clear destroy handler in undomanager

---
 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 27af08ca..9d4634ae 100644
--- a/src/utils/UndoManager.js
+++ b/src/utils/UndoManager.js
@@ -253,10 +253,9 @@ 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)
   }
 
   /**
@@ -383,6 +382,7 @@ export class UndoManager extends ObservableV2 {
   destroy () {
     this.trackedOrigins.delete(this)
     this.doc.off('afterTransaction', this.afterTransactionHandler)
+    this.doc.off('destroy', this.destroy)
     super.destroy()
   }
 }