From 8c56e31cad7aea715fce2db761206858ef40b52a Mon Sep 17 00:00:00 2001
From: mister-ben <1676039+mister-ben@users.noreply.github.com>
Date: Wed, 28 Aug 2024 15:44:38 +0200
Subject: [PATCH] fix: check for closeable() before calling in
 spatialnavigation (#8832)

## Description
Passing the back key causes an error in spatial navigation if the event
target does not have a `closeable` function.

## Specific Changes proposed
Add a check before calling.
---
 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 6cbde34a55..08ca9bcf4c 100644
--- a/src/js/spatial-navigation.js
+++ b/src/js/spatial-navigation.js
@@ -120,7 +120,8 @@ 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();
     }