Don't access "document" in WebWorker

Fixes https://github.com/google/mediapipe/issues/4694 PiperOrigin-RevId: 557885230
2023-08-17 11:30:23 -07:00 · 2023-08-17 11:30:23 -07:00 · 990bfd2e3e
commit 990bfd2e3e
parent ed0c8d8d8b
1 changed files with 2 additions and 1 deletions
--- a/mediapipe/web/graph_runner/platform_utils.ts
+++ b/mediapipe/web/graph_runner/platform_utils.ts
@ -32,5 +32,6 @@ export function isIOS() {
    // tslint:disable-next-line:deprecation
  ].includes(navigator.platform)
      // iPad on iOS 13 detection
-      || (navigator.userAgent.includes('Mac') && 'ontouchend' in document);
+      || (navigator.userAgent.includes('Mac') &&
+          (typeof document !== undefined && 'ontouchend' in document));
 }