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Skip updates in collapsed lists too

pull/21833/head
Travis Ralston 2020-07-24 10:20:00 -06:00
parent 82f90c4734
commit 0a31bd169c
1 changed files with 7 additions and 0 deletions
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7
src/components/views/rooms/RoomSublist.tsx
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@ -202,6 +202,13 @@ export default class RoomSublist extends React.Component<IProps, IState> {
return true; return true;
} }
// Before we go analyzing the rooms, we can see if we're collapsed. If we're collapsed, we don't need
// to render anything. We do this after the height check though to ensure that the height gets appropriately
// calculated for when/if we become uncollapsed.
if (!nextState.isExpanded) {
return false;
}
// Quickly double check we're not about to break something due to the number of rooms changing. // Quickly double check we're not about to break something due to the number of rooms changing.
if (this.state.rooms.length !== nextState.rooms.length) { if (this.state.rooms.length !== nextState.rooms.length) {
return true; return true;