From 49cca2c025208d7521a37031e5cf4325a896d5a6 Mon Sep 17 00:00:00 2001
From: EfeDurmaz16 <efebarandurmaz05@gmail.com>
Date: Wed, 6 May 2026 02:10:53 +0300
Subject: [PATCH] fix(elements): render empty tool output

---
 packages/elements/__tests__/tool.test.tsx | 9 +++++++++
 packages/elements/src/tool.tsx            | 2 +-
 2 files changed, 10 insertions(+), 1 deletion(-)

diff --git a/packages/elements/__tests__/tool.test.tsx b/packages/elements/__tests__/tool.test.tsx
index a7225762..ca9c5a86 100644
--- a/packages/elements/__tests__/tool.test.tsx
+++ b/packages/elements/__tests__/tool.test.tsx
@@ -241,6 +241,15 @@ describe("toolOutput", () => {
     expect(container.textContent).toBe("");
   });
 
+  it("renders an empty string output", () => {
+    render(
+      <Tool>
+        <ToolOutput errorText={undefined} output="" />
+      </Tool>
+    );
+    expect(screen.getByText("Result")).toBeInTheDocument();
+  });
+
   it("renders object output as JSON", () => {
     const output = { data: [1, 2, 3], result: "success" };
     render(
diff --git a/packages/elements/src/tool.tsx b/packages/elements/src/tool.tsx
index 9a22010e..44c011f4 100644
--- a/packages/elements/src/tool.tsx
+++ b/packages/elements/src/tool.tsx
@@ -138,7 +138,7 @@ export const ToolOutput = ({
   errorText,
   ...props
 }: ToolOutputProps) => {
-  if (!(output || errorText)) {
+  if (output == null && !errorText) {
     return null;
   }