mafalda-api/database/repositories/decks.js

const db = require("../db.js");

class DecksRepository {
//TODO continue
    getDecksByUser(userid) {

    }
}

let decksRepository = null;
function getSingleton() {
    return decksRepository = (decksRepository === null ? new DecksRepository(): decksRepository);
}
module.exports = getSingleton();