Merge pull request #5354 from voxel51/fix/canvas-init-bug

check typeof offscreen canvas in IIFE
voxel51 · Jan 7, 2025 · 55709fb · 55709fb
2 parents 6fbed2c + ca5861d
commit 55709fb
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/app/packages/looker/src/worker/canvas-decoder.ts b/app/packages/looker/src/worker/canvas-decoder.ts
@@ -2,7 +2,7 @@ import { HEATMAP } from "@fiftyone/utilities";
 import { OverlayMask } from "../numpy";
 
 const canvasAndCtx = (() => {
-  if ("OffscreenCanvas" in self) {
+  if (typeof OffscreenCanvas !== "undefined") {
     const offScreenCanvas = new OffscreenCanvas(1, 1);
     const offScreenCanvasCtx = offScreenCanvas.getContext("2d", {
       willReadFrequently: true,