import { Meteor } from 'meteor/meteor'; const collectionOptions = Meteor.isClient ? { connection: null, } : {}; const Users = new Mongo.Collection('users', collectionOptions); if (Meteor.isServer) { // types of queries for the users: // 1. meetingId // 2. meetingId, userId // { connection: Meteor.isClient ? null : true } Users.createIndexAsync({ meetingId: 1, userId: 1 }); } export default Users;