Blame for scripts/serve.mjs

// Local test server for dist/ with the cross-origin isolation headers.
import { createServer } from 'node:http';
import { readFile } from 'node:fs/promises';
import { join, extname } from 'node:path';
const dist = new URL('../dist/', import.meta.url).pathname;
const types = { '.html': 'text/html', '.js': 'text/javascript', '.css': 'text/css', '.wasm': 'application/wasm', '.png': 'image/png', '.webmanifest': 'application/manifest+json' };
createServer(async (req, res) => {
  let p = decodeURIComponent(new URL(req.url, 'http://x').pathname);
  if (p.endsWith('/')) p += 'index.html';
  try {
    const body = await readFile(join(dist, p));
    res.writeHead(200, { 'Content-Type': types[extname(p)] || 'application/octet-stream',
      'Cross-Origin-Opener-Policy': 'same-origin', 'Cross-Origin-Embedder-Policy': 'require-corp' });
    res.end(body);
  } catch { res.writeHead(404); res.end(); }
}).listen(process.env.PORT || 4173, () => console.log('serving dist on', process.env.PORT || 4173));