nyastodon/app/javascript/mastodon/containers/scroll_container.js

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import { ScrollContainer as OriginalScrollContainer } from 'react-router-scroll-4';
// ScrollContainer is used to automatically scroll to the top when pushing a
// new history state and remembering the scroll position when going back.
// There are a few things we need to do differently, though.
const defaultShouldUpdateScroll = (prevRouterProps, { location }) => {
// If the change is caused by opening a modal, do not scroll to top
return !(location.state?.mastodonModalKey && location.state?.mastodonModalKey !== prevRouterProps?.location?.state?.mastodonModalKey);
};
export default
class ScrollContainer extends OriginalScrollContainer {
static defaultProps = {
shouldUpdateScroll: defaultShouldUpdateScroll,
};
}