From f8b3740ed9e69dd60eff3cf452c04cc37eafe7f6 Mon Sep 17 00:00:00 2001
From: Dan Abramov <dan.abramov@gmail.com>
Date: Wed, 13 Dec 2023 05:42:05 +0000
Subject: [PATCH] Keep value updated even if no handler

---
 src/view/com/util/List.tsx | 9 ++++-----
 1 file changed, 4 insertions(+), 5 deletions(-)

diff --git a/src/view/com/util/List.tsx b/src/view/com/util/List.tsx
index d2e5cf76a4..559e0fa997 100644
--- a/src/view/com/util/List.tsx
+++ b/src/view/com/util/List.tsx
@@ -40,12 +40,11 @@ function ListImpl<ItemT>(
       contextScrollHandlers.onScroll?.(e, ctx)
 
       const didScrollDown = e.contentOffset.y > SCROLLED_DOWN_LIMIT
-      if (
-        isScrolledDown.value !== didScrollDown &&
-        onScrolledDownChange != null
-      ) {
+      if (isScrolledDown.value !== didScrollDown) {
         isScrolledDown.value = didScrollDown
-        runOnJS(handleScrolledDownChange)(didScrollDown)
+        if (onScrolledDownChange != null) {
+          runOnJS(handleScrolledDownChange)(didScrollDown)
+        }
       }
     },
   })