refactor IntersectionObserver to observe viewport in single-column mode (#12735)
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@ -210,10 +210,13 @@ export default class ScrollableList extends PureComponent {
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}
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attachIntersectionObserver () {
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this.intersectionObserverWrapper.connect({
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let nodeOptions = {
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root: this.node,
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rootMargin: '300% 0px',
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});
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};
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this.intersectionObserverWrapper
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.connect(this.props.bindToDocument ? {} : nodeOptions);
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}
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detachIntersectionObserver () {
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