50 lines
1.5 KiB
TypeScript
50 lines
1.5 KiB
TypeScript
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import { MatrixClient, MatrixEvent, Room } from 'matrix-js-sdk';
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import { useMemo } from 'react';
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import { useStateEvent } from './useStateEvent';
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import { IRoomCreateContent, StateEvent } from '../../types/matrix/room';
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import { creatorsSupported } from '../utils/matrix';
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import { getStateEvent } from '../utils/room';
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export const getRoomCreators = (createEvent: MatrixEvent): Set<string> => {
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const createContent = createEvent.getContent<IRoomCreateContent>();
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const creators: Set<string> = new Set();
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if (!creatorsSupported(createContent.room_version)) return creators;
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if (createEvent.event.sender) {
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creators.add(createEvent.event.sender);
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}
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if ('additional_creators' in createContent && Array.isArray(createContent.additional_creators)) {
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createContent.additional_creators.forEach((creator) => {
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if (typeof creator === 'string') {
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creators.add(creator);
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}
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});
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}
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return creators;
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};
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export const useRoomCreators = (room: Room): Set<string> => {
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const createEvent = useStateEvent(room, StateEvent.RoomCreate);
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const creators = useMemo(
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() => (createEvent ? getRoomCreators(createEvent) : new Set<string>()),
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[createEvent]
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);
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return creators;
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};
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export const getRoomCreatorsForRoomId = (mx: MatrixClient, roomId: string): Set<string> => {
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const room = mx.getRoom(roomId);
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if (!room) return new Set();
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const createEvent = getStateEvent(room, StateEvent.RoomCreate);
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if (!createEvent) return new Set();
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return getRoomCreators(createEvent);
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};
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