From 678403cde0d94be86c73914cc003c2c754c41d2b Mon Sep 17 00:00:00 2001
From: thinkasany <480968828@qq.com>
Date: Tue, 31 Dec 2024 16:48:28 +0800
Subject: [PATCH] fix: tipFormatter should not crash with undefined value
 (#1053)

* fix: tipFormatter should not crash with undefined value

* fix

* fix: tacks crash

* Update tests/Slider.test.js

---------

Co-authored-by: afc163 <afc163@gmail.com>
---
 src/Tracks/index.tsx | 2 +-
 tests/Slider.test.js | 6 ++++++
 2 files changed, 7 insertions(+), 1 deletion(-)

diff --git a/src/Tracks/index.tsx b/src/Tracks/index.tsx
index 07edb1ffd..44f7c1d8b 100644
--- a/src/Tracks/index.tsx
+++ b/src/Tracks/index.tsx
@@ -47,7 +47,7 @@ const Tracks: React.FC<TrackProps> = (props) => {
 
   // ========================== Render ==========================
   const tracksNode =
-    classNames.tracks || styles.tracks ? (
+      trackList?.length && (classNames.tracks || styles.tracks) ? (
       <Track
         index={null}
         prefixCls={prefixCls}
diff --git a/tests/Slider.test.js b/tests/Slider.test.js
index 41ffcfe1c..095080832 100644
--- a/tests/Slider.test.js
+++ b/tests/Slider.test.js
@@ -662,4 +662,10 @@ describe('Slider', () => {
     const { asFragment } = render(<Slider included={false} />);
     expect(asFragment().firstChild).toMatchSnapshot();
   });
+
+  it('tipFormatter should not crash with undefined value', () => {
+    [undefined, null].forEach((value) => {
+      render(<Slider value={value} tooltip={{ open: true }} styles={{ tracks: {} }}/>);
+    });
+  });
 });