@athenox/talos/dist/stores.js

Talos: a backend you describe instead of write. Declare a schema, write the rules in plain language, map URLs to sentences; a small built-in model turns them into query plans.

/**
 * A Store over a SQLite handle — better-sqlite3's `Database` or Node's
 * `DatabaseSync`, which share `prepare(sql).all/run`.
 */
export function sqliteStore(db) {
    // Drivers refuse undefined and Date; SQLite has no booleans.
    const arg = (v) => v === undefined ? null : v instanceof Date ? v.toISOString() : typeof v === 'boolean' ? Number(v) : v;
    return {
        dialect: 'sqlite',
        all: (sql, ...p) => db.prepare(sql).all(...p.map(arg)),
        run: (sql, ...p) => {
            const r = db.prepare(sql).run(...p.map(arg));
            return { changes: Number(r.changes), lastInsertRowid: Number(r.lastInsertRowid) };
        },
        lookup: () => null,
    };
}
/** A Store over a mysql2/promise pool (MySQL, MariaDB). */
export function mysqlStore(pool) {
    return {
        dialect: 'mysql',
        async all(sql, ...p) { return (await pool.query(sql, p))[0]; },
        async run(sql, ...p) {
            const [r] = await pool.query(sql, p);
            return { changes: r.affectedRows, lastInsertRowid: r.insertId };
        },
        lookup: () => null,
    };
}