From 34acafb254f03e0136054f2eece589721ad9d137 Mon Sep 17 00:00:00 2001
From: Davide Tantillo <iamdjj@gmail.com>
Date: Thu, 6 Feb 2025 09:30:31 +0100
Subject: [PATCH] Prevent error on disconnected callback

---
 spine-ts/spine-webgl/src/SpineWebComponentWidget.ts | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/spine-ts/spine-webgl/src/SpineWebComponentWidget.ts b/spine-ts/spine-webgl/src/SpineWebComponentWidget.ts
index 7df081510..842ce0266 100644
--- a/spine-ts/spine-webgl/src/SpineWebComponentWidget.ts
+++ b/spine-ts/spine-webgl/src/SpineWebComponentWidget.ts
@@ -858,8 +858,8 @@ export class SpineWebComponentWidget extends HTMLElement implements Disposable,
 
 	disconnectedCallback (): void {
 		window.removeEventListener("DOMContentLoaded", this.DOMContentLoadedHandler);
-		const index = this.overlay!.skeletonList.indexOf(this);
-		if (index !== -1) {
+		const index = this.overlay?.skeletonList.indexOf(this);
+		if (index > 0) {
 			this.overlay!.skeletonList.splice(index, 1);
 		}
 	}