From 6bc0f5af7fb24a84cc60e83e99d62546f4c70297 Mon Sep 17 00:00:00 2001
From: fabriziobertoglio1987 <fabrizio.bertoglio@gmail.com>
Date: Fri, 11 Mar 2022 18:45:00 +0800
Subject: [PATCH] adding itemIndex variable as index is used twice

>now that index is used twice, it would be nice to declare it as a const ex const itemIndex = index * numColumns + kk just to avoid errors where someone changes the calculation on one line but not the other.
https://github.com/facebook/react-native/pull/33180#discussion_r820863403
---
 Libraries/Lists/FlatList.js | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/Libraries/Lists/FlatList.js b/Libraries/Lists/FlatList.js
index 1335d8cf2e5d50..3391036e3cd419 100644
--- a/Libraries/Lists/FlatList.js
+++ b/Libraries/Lists/FlatList.js
@@ -614,13 +614,14 @@ class FlatList<ItemT> extends React.PureComponent<Props<ItemT>, void> {
           return (
             <View style={StyleSheet.compose(styles.row, columnWrapperStyle)}>
               {item.map((it, kk) => {
+                const itemIndex = index * numColumns + kk;
                 const accessibilityCollectionItem = {
                   rowIndex: index,
                   rowSpan: 1,
-                  columnIndex: (index * numColumns + kk) % numColumns,
+                  columnIndex: itemIndex % numColumns,
                   columnSpan: 1,
                   heading: false,
-                  itemIndex: index * numColumns + kk,
+                  itemIndex: itemIndex,
                 };
 
                 const element = (