// ---------------------------------------------------------------------------// Local dev Postgres via PGlite — no Docker, no install// ---------------------------------------------------------------------------//// Exposes an in-process PGlite instance over a TCP socket so Hyperdrive's// localConnectionString can connect to it like a real Postgres server.// Runs Drizzle migrations on startup so the schema matches cloud production. import { execSync } from "node:child_process";import { existsSync, rmSync } from "node:fs";import { setTimeout as sleep } from "node:timers/promises";import { dirname, resolve } from "node:path";import { fileURLToPath } from "node:url";import { PGlite } from "@electric-sql/pglite";import { PGLiteSocketServer } from "@electric-sql/pglite-socket";import { drizzle } from "drizzle-orm/pglite";import { migrate } from "drizzle-orm/pglite/migrator"; const __dirname = dirname(fileURLToPath(import.meta.url));// Port + data dir default to the dev values but are env-overridable so a second// throwaway instance (e.g. the Playwright e2e harness) can run alongside `bun dev`.const PORT = Number(process.env.DEV_DB_PORT ?? 5433);const DB_PATH = process.env.DEV_DB_PATH  ? resolve(process.env.DEV_DB_PATH)  : resolve(__dirname, "../.dev-db");const MIGRATIONS_FOLDER = resolve(__dirname, "../drizzle"); // Reap any orphan dev-db from a previous `bun dev` that didn't shut down// cleanly — otherwise the new instance can't bind to PORT and the app ends// up talking to a stale PGlite with the wrong schema.function reapStaleDevDb() {  const out = execSync(`lsof -ti tcp:${PORT} -sTCP:LISTEN 2>/dev/null || true`, {    encoding: "utf8",  });  const pids = out.trim().split("\n").filter(Boolean);  if (pids.length === 0) return false;   for (const pid of pids) {    const cmd = execSync(`ps -p ${pid} -o args= 2>/dev/null || true`, {      encoding: "utf8",    }).trim();    if (!cmd.includes("dev-db.ts")) {      console.error(`[dev-db] Port ${PORT} is held by an unexpected process (pid ${pid}): ${cmd}`);      console.error(`[dev-db] Refusing to kill it. Free the port and retry.`);      process.exit(1);    }    console.log(`[dev-db] Reaping stale dev-db (pid ${pid})`);    execSync(`kill -KILL ${pid}`);  }  return true;} if (reapStaleDevDb()) {  // Give the kernel a beat to release the socket before we try to bind.  await sleep(200);} async function hasDrizzleMigrationHistory(path: string): Promise<boolean> {  if (!existsSync(path)) return true;   const db = await PGlite.create(path);  const result = await db.query<{ exists: boolean }>(`    SELECT EXISTS (      SELECT 1      FROM information_schema.tables      WHERE table_schema = 'drizzle'        AND table_name = '__drizzle_migrations'    ) AS "exists"  `);  await db.close();  return result.rows[0]?.exists === true;} if (!(await hasDrizzleMigrationHistory(DB_PATH))) {  console.log("[dev-db] Resetting dev database without Drizzle migration history");  rmSync(DB_PATH, { recursive: true, force: true });} console.log(`[dev-db] Starting PGlite at ${DB_PATH}`);const db = await PGlite.create(DB_PATH); console.log(`[dev-db] Running migrations from ${MIGRATIONS_FOLDER}`);await migrate(drizzle(db), { migrationsFolder: MIGRATIONS_FOLDER }); const server = new PGLiteSocketServer({  db,  port: PORT,  host: "127.0.0.1",}); await server.start();console.log(`[dev-db] Listening on postgresql://postgres:postgres@127.0.0.1:${PORT}/postgres`); const shutdown = async () => {  console.log("\n[dev-db] Shutting down");  await server.stop();  await db.close();  process.exit(0);}; process.on("SIGINT", shutdown);process.on("SIGTERM", shutdown);