npxbase/src/adapters/postgres.js

A professional and modular database management library for Node.js with support for MySQL, PostgreSQL, and MongoDB.

const { Pool } = require("pg");

class PostgresAdapter {
  constructor() {
    this.pool = null;
  }

  async connect(config) {
    this.pool = new Pool(config);
    console.log("Connected to PostgreSQL");
  }

  async disconnect() {
    if (this.pool) {
      await this.pool.end();
      console.log("Disconnected from PostgreSQL");
    }
  }

  async query(sql, params) {
    if (!this.pool) throw new Error("No active PostgreSQL connection");
    const result = await this.pool.query(sql, params);
    return result.rows;
  }
}

module.exports = PostgresAdapter;