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Fix useRoomPowerLevels hook #5854

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Apr 13, 2021
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Fix useRoomPowerLevels hook #5854

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13 changes: 7 additions & 6 deletions src/components/views/right_panel/UserInfo.tsx
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Original file line number Diff line number Diff line change
Expand Up @@ -24,6 +24,7 @@ import {RoomMember} from 'matrix-js-sdk/src/models/room-member';
import {User} from 'matrix-js-sdk/src/models/user';
import {Room} from 'matrix-js-sdk/src/models/room';
import {EventTimeline} from 'matrix-js-sdk/src/models/event-timeline';
import {MatrixEvent} from 'matrix-js-sdk/src/models/event';

import dis from '../../../dispatcher/dispatcher';
import Modal from '../../../Modal';
Expand Down Expand Up @@ -496,11 +497,11 @@ const isMuted = (member: RoomMember, powerLevelContent: IPowerLevelsContent) =>
export const useRoomPowerLevels = (cli: MatrixClient, room: Room) => {
const [powerLevels, setPowerLevels] = useState<IPowerLevelsContent>({});

const update = useCallback(() => {
if (!room) {
return;
}
const event = room.currentState.getStateEvents("m.room.power_levels", "");
const update = useCallback((ev?: MatrixEvent) => {
if (!room) return;
if (ev && ev.getType() !== EventType.RoomPowerLevels) return;

const event = room.currentState.getStateEvents(EventType.RoomPowerLevels, "");
if (event) {
setPowerLevels(event.getContent());
} else {
Expand All @@ -511,7 +512,7 @@ export const useRoomPowerLevels = (cli: MatrixClient, room: Room) => {
};
}, [room]);

useEventEmitter(cli, "RoomState.members", update);
useEventEmitter(cli, "RoomState.events", update);
useEffect(() => {
update();
return () => {
Expand Down