Files
pokopiawiki.tootaio.com/backend/src/db.ts
2026-04-29 17:46:58 +08:00

32 lines
1008 B
TypeScript

import { readFile } from 'node:fs/promises';
import path from 'node:path';
import pg from 'pg';
const { Pool } = pg;
type QueryResultRow = pg.QueryResultRow;
const databaseUrl = process.env.DATABASE_URL ?? 'postgres://pokopia:pokopia@localhost:5432/pokopia';
export const pool = new Pool({
connectionString: databaseUrl
});
export async function query<T extends QueryResultRow>(sql: string, params: unknown[] = []): Promise<T[]> {
const result = await pool.query<T>(sql, params);
return result.rows;
}
export async function queryOne<T extends QueryResultRow>(sql: string, params: unknown[] = []): Promise<T | null> {
const rows = await query<T>(sql, params);
return rows[0] ?? null;
}
export async function initializeDatabase(): Promise<void> {
const dbDir = path.join(process.cwd(), 'db');
const schema = await readFile(path.join(dbDir, 'schema.sql'), 'utf8');
const seed = await readFile(path.join(dbDir, 'seed.sql'), 'utf8');
await pool.query(schema);
await pool.query(seed);
}