scripts/preview-static.mjs

import express from 'express';
import path from 'node:path';
import { fileURLToPath } from 'node:url';

const __dirname = path.dirname(fileURLToPath(import.meta.url));
const root = path.resolve(__dirname, '..');
const dist = path.join(root, 'dist');
const app = express();

app.use('/ui/assets', express.static(path.join(dist, 'assets')));
app.get(['/ui', '/ui/', '/ui/*'], (_req, res) => {
  res.sendFile(path.join(dist, 'index.html'));
});
app.get('/', (_req, res) => {
  res.redirect('/ui/');
});

const port = Number(process.env.PORT || 3000);
app.listen(port, '127.0.0.1', () => {
  console.log(`Static preview running at http://127.0.0.1:${port}/ui/`);
});