Mongo DB Utils

mongoUtils.js

const mongoClient = require('mongodb');
const url = 'mongodb://localhost:27017';

var _db;

module.exports = {
    connectToServer: function(cb) {
        mongoClient.connect(url, { useNewUrlParser: true }, function(err, client) {
            _db = client.db('taskit');
            return cb(err);
        })
    },
    getDb: function() {
        return _db;
    }
};