From 78ebc54ebe403e4ab8198f430ef26c5dec76b722 Mon Sep 17 00:00:00 2001
From: Terry Jia <terryjia88@gmail.com>
Date: Fri, 13 Jun 2025 20:34:45 -0400
Subject: [PATCH] [3d] bugfix for preview manager (#4147)

---
 src/extensions/core/load3d/PreviewManager.ts | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/extensions/core/load3d/PreviewManager.ts b/src/extensions/core/load3d/PreviewManager.ts
index a8d954817..514fd3726 100644
--- a/src/extensions/core/load3d/PreviewManager.ts
+++ b/src/extensions/core/load3d/PreviewManager.ts
@@ -5,7 +5,7 @@ import { EventManagerInterface, PreviewManagerInterface } from './interfaces'
 
 export class PreviewManager implements PreviewManagerInterface {
   previewCamera: THREE.Camera
-  previewContainer: HTMLDivElement = {} as HTMLDivElement
+  previewContainer: HTMLDivElement = null!
   showPreview: boolean = true
   previewWidth: number = 120