import { Channel, ChannelMemberResponse, EventTypes } from 'stream-chat'; import { useSelectedChannelState } from '../../../hooks/useSelectedChannelState'; const selector = (channel: Channel) => channel.state.membership; const keys: EventTypes[] = ['member.updated']; export function useChannelMembershipState(channel: Channel): ChannelMemberResponse; export function useChannelMembershipState(channel?: Channel): ChannelMemberResponse | undefined; export function useChannelMembershipState(channel?: Channel) { return useSelectedChannelState({ channel, selector, stateChangeEventKeys: keys }); }