From e466c2c90caabbd2e0ab958aefbdb19e3afe7b3b Mon Sep 17 00:00:00 2001
From: Tat Dat Duong <david@duong.cz>
Date: Wed, 5 Mar 2025 00:20:59 +0100
Subject: [PATCH] fix(sdk-js): handle threadId: undefined as controlled

---
 libs/sdk-js/src/react/stream.tsx | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/libs/sdk-js/src/react/stream.tsx b/libs/sdk-js/src/react/stream.tsx
index 72c25bbe4..fa7e09a33 100644
--- a/libs/sdk-js/src/react/stream.tsx
+++ b/libs/sdk-js/src/react/stream.tsx
@@ -366,11 +366,11 @@ const useControllableThreadId = (options?: {
     onThreadIdRef.current?.(threadId);
   }, []);
 
-  if (typeof options?.threadId === "undefined") {
+  if (!options || !("threadId" in options)) {
     return [localThreadId, onThreadId];
   }
 
-  return [options.threadId, onThreadId];
+  return [options.threadId ?? null, onThreadId];
 };
 
 type BagTemplate = {