RocketChat/Rocket.Chat

import type { IRoom } from '@rocket.chat/core-typings';
import { isDirectMessageRoom } from '@rocket.chat/core-typings';
import { useUserSubscription } from '@rocket.chat/ui-contexts';

import { useUserDisplayName } from './useUserDisplayName';

/**
 *
 * Hook to get the name of the room
 *
 * @param room - Room object
 * @returns Room name
 * @public
 *
 */
export const useRoomName = (room: IRoom) => {
    const subscription = useUserSubscription(room._id);
    const username = useUserDisplayName({ name: subscription?.fname, username: subscription?.name });

    if (isDirectMessageRoom(room)) {
        return username;
    }

    return room.fname || room.name;
};