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Check for ref before access scrollTop

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Lim Chee Aun 2022-12-27 09:05:45 +08:00
parent f7489710a1
commit fb88129ae7
1 changed files with 1 additions and 0 deletions
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src/pages/status.jsx
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@ -36,6 +36,7 @@ function StatusPage({ id }) {
useEffect(() => { useEffect(() => {
const onScroll = debounce(() => { const onScroll = debounce(() => {
// console.log('onScroll'); // console.log('onScroll');
if (!scrollableRef.current) return;
const { scrollTop } = scrollableRef.current; const { scrollTop } = scrollableRef.current;
states.scrollPositions.set(id, scrollTop); states.scrollPositions.set(id, scrollTop);
}, 100); }, 100);