methods.js

import {Meteor} from 'meteor/meteor'
import {check} from 'meteor/check'
import {Match} from 'meteor/check'
import {Chats} from './collections'
import {SimpleChat} from './config'
Meteor.methods({
    "SimpleChat.newMessage": function (message, roomId, username, avatar, name, custom) {
        check(message, String);
        check(roomId, String);
        check(username, Match.Maybe(String));
        check(avatar, Match.Maybe(String));
        check(name, Match.Maybe(String));
        check(custom, Match.Any );

        this.unblock()
        if (!SimpleChat.options.allow.call(this, message, roomId, username, avatar, name))
            throw new Meteor.Error(403, "Access deny")
        message=_.escape(message)

        const msg={
            message,
            roomId,
            username,
            name,
            sent: !this.isSimulation,
            receivedBy: [],
            receivedAll: false,
            viewedBy: [],
            viewedAll: false,
            userId: this.userId,
            avatar,
            custom,
            date: new Date()
        }
        msg._id=Chats.insert(msg)
        SimpleChat.options.onNewMessage(msg)
        return msg
    }
});