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Performance improvements (#3168)

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* refactor(components/status_list): Avoid quering scrollTop if not necessary

* refactor(components/dropdown_menu): Do not render items if not expanded

* refactor: Cherry-pick react-motion imports

* refactor(compose/privacy_dropdown): Do not render options if not open

* refactor(components/column_collapsable): Do not render children if collapsed
This commit is contained in:
Sorin Davidoi
2017-05-20 14:58:13 +02:00
committed by Eugen Rochko
parent da0a18a318
commit 2c405aed55
15 changed files with 73 additions and 20 deletions
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app/javascript/mastodon/components/status_list.js
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@ -46,7 +46,7 @@ class StatusList extends ImmutablePureComponent {
}
componentDidUpdate (prevProps) {
if (this.node.scrollTop > 0 && (prevProps.statusIds.size < this.props.statusIds.size && prevProps.statusIds.first() !== this.props.statusIds.first() && !!this._oldScrollPosition)) {
if ((prevProps.statusIds.size < this.props.statusIds.size && prevProps.statusIds.first() !== this.props.statusIds.first() && !!this._oldScrollPosition) && this.node.scrollTop > 0) {
this.node.scrollTop = this.node.scrollHeight - this._oldScrollPosition;
}
}