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Chain listRef.current optionally

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Signed-off-by: Lauri Nevala <lauri.nevala@gmail.com>
This commit is contained in:
Lauri Nevala 2021-07-01 09:28:49 +03:00
parent 18587168dc
commit 57b211cea3
1 changed files with 3 additions and 3 deletions
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6
src/renderer/components/virtual-list/virtual-list.tsx
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@ -75,7 +75,7 @@ export class VirtualList extends Component<Props, State> {
const { items, rowHeights } = this.props; const { items, rowHeights } = this.props;
if (prevProps.items.length !== items.length || !isEqual(prevProps.rowHeights, rowHeights)) { if (prevProps.items.length !== items.length || !isEqual(prevProps.rowHeights, rowHeights)) {
this.listRef.current.resetAfterIndex(0, false); this.listRef.current?.resetAfterIndex(0, false);
} }
} }
@ -87,11 +87,11 @@ export class VirtualList extends Component<Props, State> {
const index = items.findIndex(item => item.getId() == selectedItemId); const index = items.findIndex(item => item.getId() == selectedItemId);
if (index === -1) return; if (index === -1) return;
this.listRef.current.scrollToItem(index, "start"); this.listRef.current?.scrollToItem(index, "start");
}); });
scrollToItem = (index: number, align: Align) => { scrollToItem = (index: number, align: Align) => {
this.listRef.current.scrollToItem(index, align); this.listRef.current?.scrollToItem(index, align);
}; };
render() { render() {