1 files changed, 16 insertions, 0 deletions
diff --git a/testing/web-platform/tests/webusb/resources/open-in-worker.js b/testing/web-platform/tests/webusb/resources/open-in-worker.js
new file mode 100644
index 0000000000..2175cfd397
--- /dev/null
+++ b/testing/web-platform/tests/webusb/resources/open-in-worker.js
@@ -0,0 +1,16 @@
+importScripts('/resources/test-only-api.js');
+importScripts('/webusb/resources/usb-helpers.js');
+'use strict';
+
+onmessage = messageEvent => {
+  if (messageEvent.data.type === 'ConnectEvent') {
+    navigator.usb.addEventListener('connect', connectEvent => {
+      connectEvent.device.open().then(() => {
+        postMessage({ type: 'Success' });
+      }).catch(error => {
+        postMessage({ type: `FAIL: open rejected ${error}` });
+      });
+    });
+    postMessage({ type: 'Ready' });
+  }
+};