From 33de60d365c5735636d9a8abc1d5cbe7d9f369d0 Mon Sep 17 00:00:00 2001
From: Alexander Rose <alexander.rose@weirdbyte.de>
Date: Sat, 22 May 2021 22:49:13 -0700
Subject: [PATCH] fix typeof check

---
 src/mol-gl/webgl/texture.ts | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/mol-gl/webgl/texture.ts b/src/mol-gl/webgl/texture.ts
index 265691de9..6992576c0 100644
--- a/src/mol-gl/webgl/texture.ts
+++ b/src/mol-gl/webgl/texture.ts
@@ -169,7 +169,7 @@ export function getAttachment(gl: GLRenderingContext, extensions: WebGLExtension
 }
 
 function isImage(x: TextureImage<any> | TextureVolume<any> | HTMLImageElement): x is HTMLImageElement {
-    return typeof HTMLImageElement !== undefined && (x instanceof HTMLImageElement);
+    return typeof HTMLImageElement !== 'undefined' && (x instanceof HTMLImageElement);
 }
 
 function isTexture2d(x: TextureImage<any> | TextureVolume<any>, target: number, gl: GLRenderingContext): x is TextureImage<any> {
@@ -441,4 +441,4 @@ export function createNullTexture(gl?: GLRenderingContext): Texture {
         reset: () => {},
         destroy: () => {},
     };
-}
\ No newline at end of file
+}
-- 
GitLab