const logger = require('winston'); function mysql () { this.database = 'default'; this.username = 'default'; this.password = 'default'; this.update = (config) => { if (!config) { return logger.warn('No MySQL config received.'); } // configure credentials logger.info('configuring mysql...'); const { database, username, password } = config; this.database = database; this.username = username; this.password = password; }; } module.exports = new mysql();