RocketChat/Rocket.Chat

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

import { normalizeMessagesForUser } from '../../../utils/server/lib/normalizeMessagesForUser';

export async function composeRoomWithLastMessage(room: IRoom, userId: string) {
    if (room.lastMessage) {
        const [lastMessage] = await normalizeMessagesForUser([room.lastMessage], userId);
        room.lastMessage = lastMessage;
    }
    return room;
}