From 5e5bf02f64db6f38837bbb55c16938e65bdf187d Mon Sep 17 00:00:00 2001
From: karott7 <karott7@gmail.com>
Date: Sat, 16 Apr 2022 14:53:27 +0800
Subject: [PATCH] performance: cache children to improve performance

---
 src/Menu.tsx | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/src/Menu.tsx b/src/Menu.tsx
index 318b0586..37bcb9c0 100644
--- a/src/Menu.tsx
+++ b/src/Menu.tsx
@@ -226,11 +226,11 @@ const Menu = React.forwardRef<MenuRef, MenuProps>((props, ref) => {
     ...restProps
   } = props as LegacyMenuProps;
 
-  const childList: React.ReactElement[] = parseItems(
-    children,
-    items,
-    EMPTY_LIST,
+  const childList: React.ReactElement[] = React.useMemo(
+    () => parseItems(children, items, EMPTY_LIST),
+    [children, items],
   );
+
   const [mounted, setMounted] = React.useState(false);
 
   const containerRef = React.useRef<HTMLUListElement>();