From 595ddf52afc11eea6db14791d925e3dc938f629c Mon Sep 17 00:00:00 2001
From: "CJACK." <155826701+CJackHwang@users.noreply.github.com>
Date: Sat, 9 May 2026 18:16:47 +0800
Subject: [PATCH] fix(vercel): align js stream path guard with go chat alias

---
 internal/js/chat-stream/index.js | 2 +-
 tests/node/chat-stream.test.js   | 5 ++++-
 2 files changed, 5 insertions(+), 2 deletions(-)

diff --git a/internal/js/chat-stream/index.js b/internal/js/chat-stream/index.js
index 398fc9b..af9b264 100644
--- a/internal/js/chat-stream/index.js
+++ b/internal/js/chat-stream/index.js
@@ -88,7 +88,7 @@ function isVercelRuntime() {
 
 function isNodeStreamSupportedPath(rawURL) {
   const path = extractPathname(rawURL);
-  return path === '/v1/chat/completions';
+  return path === '/v1/chat/completions' || path === '/chat/completions';
 }
 
 function extractPathname(rawURL) {
diff --git a/tests/node/chat-stream.test.js b/tests/node/chat-stream.test.js
index 5ac771b..cf49fa1 100644
--- a/tests/node/chat-stream.test.js
+++ b/tests/node/chat-stream.test.js
@@ -758,9 +758,11 @@ test('shouldSkipPath skips dynamic response/fragments/*/status paths only', () =
   assert.equal(shouldSkipPath('response/status'), false);
 });
 
-test('node stream path guard only allows /v1/chat/completions', () => {
+test('node stream path guard allows OpenAI v1 and root alias chat completions paths', () => {
   assert.equal(isNodeStreamSupportedPath('/v1/chat/completions'), true);
   assert.equal(isNodeStreamSupportedPath('/v1/chat/completions?x=1'), true);
+  assert.equal(isNodeStreamSupportedPath('/chat/completions'), true);
+  assert.equal(isNodeStreamSupportedPath('/chat/completions?x=1'), true);
   assert.equal(isNodeStreamSupportedPath('/v1beta/models/gemini-2.5-flash:streamGenerateContent'), false);
   assert.equal(isNodeStreamSupportedPath('/anthropic/v1/messages'), false);
 });
@@ -768,6 +770,7 @@ test('node stream path guard only allows /v1/chat/completions', () => {
 test('extractPathname strips query only', () => {
   assert.equal(extractPathname('/v1/chat/completions?stream=true'), '/v1/chat/completions');
   assert.equal(extractPathname('/v1beta/models/gemini-2.5-flash:streamGenerateContent?key=1'), '/v1beta/models/gemini-2.5-flash:streamGenerateContent');
+  assert.equal(extractPathname('/chat/completions?stream=true'), '/chat/completions');
 });
 
 test('setCorsHeaders reflects requested third-party headers and blocks internal-only headers', () => {