RocketChat/Rocket.Chat

import type { ServerMethods } from '@rocket.chat/ddp-client';
import { Rooms } from '@rocket.chat/models';
import { check } from 'meteor/check';
import { Meteor } from 'meteor/meteor';

import { methodDeprecationLogger } from '../../app/lib/server/lib/deprecationWarningLogger';

declare module '@rocket.chat/ddp-client' {
    // eslint-disable-next-line @typescript-eslint/naming-convention
    interface ServerMethods {
        roomNameExists(roomName: string): boolean;
    }
}

Meteor.methods<ServerMethods>({
    async roomNameExists(roomName) {
        check(roomName, String);

        methodDeprecationLogger.method('roomNameExists', '7.0.0');

        if (!Meteor.userId()) {
            throw new Meteor.Error('error-invalid-user', 'Invalid user', {
                method: 'roomExists',
            });
        }
        const room = await Rooms.findOneByName(roomName, { projection: { _id: 1 } });

        if (room === undefined || room === null) {
            return false;
        }

        return true;
    },
});