expressjs/db/connection.js

27 lines
660 B
JavaScript

const sqlite3 = require('sqlite3').verbose();
class DB {
static #db;
static open() {
if (this.#db == undefined) {
this.#db = new sqlite3.cached.Database('./sakila.db', sqlite3.OPEN_READWRITE | sqlite3.OPEN_FULLMUTEX, (err) => {
if (err) {
console.error(err.message);
} else {
console.log('Connection is ready!');
}}
);
}
return this.#db;
}
static close() {
if (this.#db != undefined) {
this.#db.close();
this.#db = undefined;
}
}
}
module.exports = DB;