salix/print/core/database.js

const mysql = require('mysql2/promise');
const config = require('./config.js');

module.exports = {
    init() {
        if (!this.pool) {
            this.pool = mysql.createPool(config.mysql);
            this.pool.on('connection', connection => {
                connection.config.namedPlaceholders = true;
            });
        }
    },
    find(query, params) {
        return this.pool.query(query, params).then(([rows]) => {
            return rows;
        });
    },
    findOne(query, params) {
        return this.find(query, params).then(([rows]) => rows);
    },
    findFromDef() {

    }
};