How MongoDB URL's work.
var parse = require('mongodb-url');
parse('localhost:27017')
>>> { dbName: 'admin', servers: [ { host: 'localhost', port: 27017 } ] }
parse('mongodb://localhost:27017')
>>> { dbName: 'admin', servers: [ { host: 'localhost', port: 27017 } ] }npm install --save mongodb-url
npm test
Apache 2