the_order/packages/database/src/client.js

/**
 * PostgreSQL database client with connection pooling
 */
import { Pool } from 'pg';
/**
 * Create a PostgreSQL connection pool
 */
export function createPool(config) {
    const poolConfig = {
        connectionString: config.connectionString,
        host: config.host,
        port: config.port,
        database: config.database,
        user: config.user,
        password: config.password,
        max: config.max || 20,
        idleTimeoutMillis: config.idleTimeoutMillis || 30000,
        connectionTimeoutMillis: config.connectionTimeoutMillis || 2000,
    };
    return new Pool(poolConfig);
}
/**
 * Default database pool instance
 */
let defaultPool = null;
/**
 * Get or create the default database pool
 */
export function getPool(config) {
    if (!defaultPool) {
        if (!config) {
            throw new Error('Database configuration required for first pool creation');
        }
        defaultPool = createPool(config);
    }
    return defaultPool;
}
/**
 * Execute a query
 */
export async function query(text, params) {
    if (!defaultPool) {
        throw new Error('Database pool not initialized. Call getPool() with configuration first.');
    }
    return defaultPool.query(text, params);
}
/**
 * Close the database pool
 */
export async function closePool() {
    if (defaultPool) {
        await defaultPool.end();
        defaultPool = null;
    }
}
/**
 * Health check for database connection
 */
export async function healthCheck() {
    try {
        const pool = getPool();
        await pool.query('SELECT 1');
        return true;
    }
    catch {
        return false;
    }
}
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