calendar/packages/kysely/index.ts

import process from "node:process";
import { DeduplicateJoinsPlugin, Kysely, ParseJSONResultsPlugin, PostgresDialect } from "kysely";
import { Pool } from "pg";
import type { Booking, DB } from "./types";

export type { DB, Booking };

const connectionString = process.env.DATABASE_URL ?? "postgresql://postgres:@localhost:5450/calendso";

const pool = new Pool({ connectionString });

// 3. Create the Dialect, passing the configured pool instance
const dialect = new PostgresDialect({
  pool: pool, // Use the pool instance created above
});

// 4. Create the Kysely instance as before
const db = new Kysely<DB>({
  dialect,
  plugins: [new ParseJSONResultsPlugin(), new DeduplicateJoinsPlugin()],
});

export default db;