fix(status_list): Guard against missing ref (#4353)
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1 changed files with 11 additions and 9 deletions
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@ -31,16 +31,18 @@ export default class StatusList extends ImmutablePureComponent {
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intersectionObserverWrapper = new IntersectionObserverWrapper();
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handleScroll = debounce(() => {
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const { scrollTop, scrollHeight, clientHeight } = this.node;
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const offset = scrollHeight - scrollTop - clientHeight;
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this._oldScrollPosition = scrollHeight - scrollTop;
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if (this.node) {
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const { scrollTop, scrollHeight, clientHeight } = this.node;
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const offset = scrollHeight - scrollTop - clientHeight;
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this._oldScrollPosition = scrollHeight - scrollTop;
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if (250 > offset && this.props.onScrollToBottom && !this.props.isLoading) {
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this.props.onScrollToBottom();
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} else if (scrollTop < 100 && this.props.onScrollToTop) {
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this.props.onScrollToTop();
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} else if (this.props.onScroll) {
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this.props.onScroll();
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if (250 > offset && this.props.onScrollToBottom && !this.props.isLoading) {
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this.props.onScrollToBottom();
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} else if (scrollTop < 100 && this.props.onScrollToTop) {
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this.props.onScrollToTop();
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} else if (this.props.onScroll) {
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this.props.onScroll();
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}
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}
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}, 200, {
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trailing: true,
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