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Call scrollToIndex only if flatListRef.current is not null (#3022)

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Miguel Alatzar 2019-07-23 11:21:38 -07:00 committed by GitHub
parent 59e948f06a
commit 83c9856897
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1 changed files with 9 additions and 8 deletions
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17
app/components/post_list/post_list.js
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@ -291,16 +291,17 @@ export default class PostList extends PureComponent {
width > 0 &&
height > 0 &&
this.props.initialIndex > 0 &&
!this.hasDoneInitialScroll &&
this.flatListRef?.current
!this.hasDoneInitialScroll
) {
requestAnimationFrame(() => {
this.flatListRef.current.scrollToIndex({
animated: false,
index: this.props.initialIndex,
viewOffset: 0,
viewPosition: 1, // 0 is at bottom
});
if (this.flatListRef?.current) {
this.flatListRef.current.scrollToIndex({
animated: false,
index: this.props.initialIndex,
viewOffset: 0,
viewPosition: 1, // 0 is at bottom
});
}
});
this.hasDoneInitialScroll = true;
}