From 8df112aab48f5eb2985511714742eaf5db6f0f87 Mon Sep 17 00:00:00 2001
From: tresabhi <43380238+tresabhi@users.noreply.github.com>
Date: Sat, 11 Jul 2026 17:16:52 -0500
Subject: [PATCH] type-safe disposal

---
 packages/website/src/hooks/useDispose.ts | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/packages/website/src/hooks/useDispose.ts b/packages/website/src/hooks/useDispose.ts
index 827ccd17d..7c593426b 100644
--- a/packages/website/src/hooks/useDispose.ts
+++ b/packages/website/src/hooks/useDispose.ts
@@ -36,9 +36,10 @@ export function useDispose(gltf: GLTF & ObjectMap, path: string) {
             for (const map of maps) {
               if (!map) continue;
 
-              if (typeof map.source.data.close === "function") {
+              if (map.source.data instanceof ImageBitmap) {
                 map.source.data.close();
               }
+
               map.dispose();
             }