feat(chromium): improve URL handling for WebSocket endpoint retrieval (#36098)

zzxwill · web-flow · commit eb5e3b37402b · 2025-05-28T08:36:12.000-07:00
diff --git a/packages/playwright-core/src/server/chromium/chromium.ts b/packages/playwright-core/src/server/chromium/chromium.ts
@@ -368,7 +368,10 @@ async function urlToWSEndpoint(progress: Progress, endpointURL: string, headers:
   if (endpointURL.startsWith('ws'))
     return endpointURL;
   progress.log(`<ws preparing> retrieving websocket url from ${endpointURL}`);
-  const httpURL = endpointURL.endsWith('/') ? `${endpointURL}json/version/` : `${endpointURL}/json/version/`;
+  const url = new URL(endpointURL);
+  url.pathname += 'json/version/';
+  const httpURL = url.toString();
+
   const json = await fetchData({
     url: httpURL,
     headers,
