From 73dbd905d599381fcd585c9db8a83d8ac295a825 Mon Sep 17 00:00:00 2001
From: mister-ben <1676039+mister-ben@users.noreply.github.com>
Date: Thu, 15 Aug 2024 09:09:33 +0200
Subject: [PATCH] fix: check for closeable() before calling in
 spatialnavigation

---
 src/js/spatial-navigation.js | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/js/spatial-navigation.js b/src/js/spatial-navigation.js
index dacb5e75a1..0eb627f890 100644
--- a/src/js/spatial-navigation.js
+++ b/src/js/spatial-navigation.js
@@ -118,7 +118,8 @@ class SpatialNavigation extends EventTarget {
       const action = SpatialNavKeyCodes.getEventName(actualEvent);
 
       this.performMediaAction_(action);
-    } else if (SpatialNavKeyCodes.isEventKey(actualEvent, 'Back') && event.target && event.target.closeable()) {
+    } else if (SpatialNavKeyCodes.isEventKey(actualEvent, 'Back') &&
+        event.target && typeof event.target.closeable === 'function' && event.target.closeable()) {
       actualEvent.preventDefault();
       event.target.close();
     }