import http from 'node:http';
import fs from 'node:fs/promises';
import fscb from 'node:fs';
import path from 'node:path';
const args = new Map();
for (let i = 2; i < process.argv.length; i++) {
const a = process.argv[i];
if (a.startsWith('--')) {
const [k, v] = a.split('=');
if (typeof v === 'undefined') args.set(k.slice(2), process.argv[++i]);
else args.set(k.slice(2), v);
}
}
const port = Number(args.get('port') || 5173);
const root = path.resolve(process.cwd(), args.get('root') || 'project');
const host = args.get('host') || '127.0.0.1';
function contentType(filePath) {
const ext = path.extname(filePath).toLowerCase();
switch (ext) {
case '.html': return 'text/html; charset=utf-8';
case '.js':
case '.mjs': return 'application/javascript; charset=utf-8';
case '.css': return 'text/css; charset=utf-8';
case '.json': return 'application/json; charset=utf-8';
case '.png': return 'image/png';
case '.jpg':
case '.jpeg': return 'image/jpeg';
case '.webp': return 'image/webp';
case '.gif': return 'image/gif';
case '.hdr':
case '.exr': return 'application/octet-stream';
case '.gltf': return 'model/gltf+json';
case '.glb': return 'model/gltf-binary';
case '.wasm': return 'application/wasm';
case '.mp4': return 'video/mp4';
default: return 'application/octet-stream';
}
}
function safeJoin(base, reqPath) {
const decoded = decodeURIComponent((reqPath || '/').split('?')[0]);
const safe = path.normalize(decoded).replace(/^\/+/, '');
const full = path.join(base, safe);
const rel = path.relative(base, full);
if (rel.startsWith('..') || path.isAbsolute(rel)) throw new Error('Path escapes root');
return full;
}
async function fileExists(p) { try { await fs.access(p); return true; } catch { return false; } }
const server = http.createServer(async (req, res) => {
try {
const reqUrl = req.url || '/';
let full = safeJoin(root, reqUrl);
let stat = null;
try { stat = fscb.statSync(full); } catch { stat = null; }
if (!stat || stat.isDirectory()) {
const indexPath = path.join(full, 'index.html');
if (await fileExists(indexPath)) {
full = indexPath;
} else if (path.basename(full) !== 'index.html') {
const rootIndex = path.join(root, 'index.html');
if (await fileExists(rootIndex)) full = rootIndex;
}
}
const data = await fs.readFile(full);
res.statusCode = 200;
res.setHeader('content-type', contentType(full));
res.end(data);
} catch (e) {
res.statusCode = 404;
res.setHeader('content-type', 'text/plain; charset=utf-8');
res.end('Not found');
}
});
await fs.mkdir(root, { recursive: true });
server.listen(port, host, () => {
// eslint-disable-next-line no-console
console.log(`Serving ${root} at http://${host}:${port}/`);
});
