From e86ac1fbb1ba98f853320d0bd36fe4e24ec29b8e Mon Sep 17 00:00:00 2001
From: Janic Duplessis <janicduplessis@gmail.com>
Date: Tue, 6 Feb 2024 16:01:55 -0500
Subject: [PATCH] Fix onStartReached not called when list content is small

---
 .../virtualized-lists/Lists/VirtualizedList.js     | 14 ++++++--------
 1 file changed, 6 insertions(+), 8 deletions(-)

diff --git a/packages/virtualized-lists/Lists/VirtualizedList.js b/packages/virtualized-lists/Lists/VirtualizedList.js
index 8638f5f80f812e..9f950916a2dfc0 100644
--- a/packages/virtualized-lists/Lists/VirtualizedList.js
+++ b/packages/virtualized-lists/Lists/VirtualizedList.js
@@ -1548,7 +1548,7 @@ class VirtualizedList extends StateSafePureComponent<Props, State> {
     // Next check if the user just scrolled within the start threshold
     // and call onStartReached only once for a given content length,
     // and only if onEndReached is not being executed
-    else if (
+    if (
       onStartReached != null &&
       this.state.cellsAroundViewport.first === 0 &&
       isWithinStartThreshold &&
@@ -1560,13 +1560,11 @@ class VirtualizedList extends StateSafePureComponent<Props, State> {
 
     // If the user scrolls away from the start or end and back again,
     // cause onStartReached or onEndReached to be triggered again
-    else {
-      this._sentStartForContentLength = isWithinStartThreshold
-        ? this._sentStartForContentLength
-        : 0;
-      this._sentEndForContentLength = isWithinEndThreshold
-        ? this._sentEndForContentLength
-        : 0;
+    if (!isWithinStartThreshold) {
+      this._sentStartForContentLength = 0;
+    }
+    if (!isWithinEndThreshold) {
+      this._sentEndForContentLength = 0;
     }
   }