import { ClientEvent, ClientEventHandlerMap, MatrixClient } from 'matrix-js-sdk'; import { useEffect } from 'react'; export const useAccountDataCallback = ( mx: MatrixClient, onAccountData: ClientEventHandlerMap[ClientEvent.AccountData] ) => { useEffect(() => { mx.on(ClientEvent.AccountData, onAccountData); return () => { mx.removeListener(ClientEvent.AccountData, onAccountData); }; }, [mx, onAccountData]); };