import { CryptoEvent, CryptoEventHandlerMap } from 'matrix-js-sdk/lib/crypto-api'; import { useEffect } from 'react'; import { useMatrixClient } from './useMatrixClient'; export const useUserTrustStatusChange = ( onChange: CryptoEventHandlerMap[CryptoEvent.UserTrustStatusChanged] ) => { const mx = useMatrixClient(); useEffect(() => { mx.on(CryptoEvent.UserTrustStatusChanged, onChange); return () => { mx.removeListener(CryptoEvent.UserTrustStatusChanged, onChange); }; }, [mx, onChange]); };