From f993239a5e5eb6197337e0abf746a0defa6d626f Mon Sep 17 00:00:00 2001
From: Artur Arseniev <artur.catch@hotmail.it>
Date: Sun, 21 Mar 2021 01:26:14 +0100
Subject: [PATCH] Check frame window on unmount

---
 src/canvas/view/FrameView.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/canvas/view/FrameView.js b/src/canvas/view/FrameView.js
index bdf042951..905c3f807 100644
--- a/src/canvas/view/FrameView.js
+++ b/src/canvas/view/FrameView.js
@@ -405,7 +405,7 @@ export default Backbone.View.extend({
   _toggleEffects(enable) {
     const method = enable ? on : off;
     const win = this.getWindow();
-    method(win, `${motionsEv} resize`, this._emitUpdate);
+    win && method(win, `${motionsEv} resize`, this._emitUpdate);
   },
 
   _emitUpdate() {