From 316714fda01bf0d12f22255cf2226f178593cd86 Mon Sep 17 00:00:00 2001
From: Sergey Linev <S.Linev@gsi.de>
Date: Wed, 21 Jun 2023 09:17:13 +0200
Subject: [PATCH] Test that WebGLRenderingContext exists

It is not a case in node.js - making impossible to use WebGLRenderer
there.
---
 src/renderers/WebGLRenderer.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/renderers/WebGLRenderer.js b/src/renderers/WebGLRenderer.js
index df32f9acdcf5e9..642f6072faa510 100644
--- a/src/renderers/WebGLRenderer.js
+++ b/src/renderers/WebGLRenderer.js
@@ -289,7 +289,7 @@ class WebGLRenderer {
 
 			}
 
-			if ( _gl instanceof WebGLRenderingContext ) { // @deprecated, r153
+			if ( typeof WebGLRenderingContext !== 'undefined' && _gl instanceof WebGLRenderingContext ) { // @deprecated, r153
 
 				console.warn( 'THREE.WebGLRenderer: WebGL 1 support was deprecated in r153 and will be removed in r163.' );