Webservice NodeJS y MariaDB 3 - Conector MariaDB en NodeJS

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const mariadb = require('mariadb');

const config = {
	host: 'localhost',
	user: 'testwebserveruser',
	password: 'testwebserverpass',
	database: 'webserverdb',
	connectionLimit: 5,
	acquireTimeout: 300,
};

class DBConnector {
	dbconnector = mariadb.createPool(config);

	async query(sQuery) {
		var conn = await this.dbconnector.getConnection();
		var ret = null;
		await conn
			.query(sQuery)
			.then((data) => {
				ret = data;
				conn.end();
			})
			.catch((err) => {
				console.log(err);
				conn.end();
			});
		return ret;
	}
}

module.exports = new DBConnector();