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Update intersection-observer to version 0.4.0 (#4398)

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This commit is contained in:
Yamagishi Kazutoshi
2017-07-27 23:20:48 +09:00
committed by Eugen Rochko
parent 73890c3cac
commit f2233c3e25
3 changed files with 6 additions and 11 deletions
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9
app/javascript/mastodon/components/status.js
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@ -107,17 +107,12 @@ export default class Status extends ImmutablePureComponent {
this.height = getRectFromEntry(entry).height;
}
// Edge 15 doesn't support isIntersecting, but we can infer it
// https://developer.microsoft.com/en-us/microsoft-edge/platform/issues/12156111/
// https://github.com/WICG/IntersectionObserver/issues/211
const isIntersecting = (typeof entry.isIntersecting === 'boolean') ?
entry.isIntersecting : entry.intersectionRect.height > 0;
this.setState((prevState) => {
if (prevState.isIntersecting && !isIntersecting) {
if (prevState.isIntersecting && !entry.isIntersecting) {
scheduleIdleTask(this.hideIfNotIntersecting);
}
return {
isIntersecting: isIntersecting,
isIntersecting: entry.isIntersecting,
isHidden: false,
};
});