MySql database connection template for node.js

db_connect.js

var mysql = require( 'mysql' );

var connection_details = {

	host     : 'localhost',
	user     : 'root',
	password : 'password',
	database : 'databasename'
};

exports.DBManager = function (){ /* open a database connection */

	this.open = function(){

		this.connection = mysql.createConnection( connection_details );
		this.connection.connect();
	};

	this.close = function(){

		this.connection.end();
	};

};