1 files changed, 25 insertions, 0 deletions
diff --git a/dom/webgpu/tests/cts/checkout/tools/websocket-logger/main.js b/dom/webgpu/tests/cts/checkout/tools/websocket-logger/main.js
new file mode 100755
index 0000000000..4a5a89e762
--- /dev/null
+++ b/dom/webgpu/tests/cts/checkout/tools/websocket-logger/main.js
@@ -0,0 +1,25 @@
+#!/usr/bin/env node
+
+import fs from 'fs/promises';
+import { WebSocketServer } from 'ws';
+
+const wss = new WebSocketServer({ port: 59497 });
+
+const timestamp = new Date().toISOString().slice(0, 19).replace(/[:]/g, '-')
+const filename = `wslog-${timestamp}.txt`
+const f = await fs.open(filename, 'w');
+console.log(`Writing to ${filename}`);
+console.log('Ctrl-C to stop');
+
+process.on('SIGINT', () => {
+  console.log(`\nWritten to ${filename}`);
+  process.exit();
+});
+
+wss.on('connection', async ws => {
+  ws.on('message', data => {
+    const s = data.toString();
+    f.write(s + '\n');
+    console.log(s);
+  });
+});