Fixes #305 - offscreencanvas error

maplibre · Sep 4, 2021 · f13f67f · f13f67f
1 parent 8216085
commit f13f67f
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/src/util/offscreen_canvas_supported.ts b/src/util/offscreen_canvas_supported.ts
@@ -2,7 +2,7 @@ let supportsOffscreenCanvas: boolean | undefined | null;
 
 export default function offscreenCanvasSupported(): boolean {
     if (supportsOffscreenCanvas == null) {
-        supportsOffscreenCanvas = OffscreenCanvas &&
+        supportsOffscreenCanvas = typeof OffscreenCanvas !== 'undefined' &&
             new OffscreenCanvas(1, 1).getContext('2d') &&
             typeof createImageBitmap === 'function';
     }