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packages/website/server.mjs

@@ -20,8 +20,21 @@ const MIME = {
   '.webp': 'image/webp',
   '.woff': 'font/woff',
   '.woff2': 'font/woff2',
+  '.xml': 'application/xml; charset=utf-8',
 };
 
+const SPA_ROUTES = new Set(['/', '/docs', '/contribute', '/community']);
+
+function requestPath(urlPath) {
+  const decoded = decodeURIComponent((urlPath ?? '/').split('?')[0] || '/');
+  if (decoded.length > 1 && decoded.endsWith('/')) return decoded.slice(0, -1) || '/';
+  return decoded || '/';
+}
+
+function isSpaRoute(urlPath) {
+  return SPA_ROUTES.has(requestPath(urlPath));
+}
+
 function fileUnderRoot(urlPath) {
   const decoded = decodeURIComponent((urlPath ?? '/').split('?')[0] || '/');
   const relative = decoded.replace(/^\/+/, '').replaceAll('/', sep);
@@ -54,8 +67,14 @@ const server = createServer((req, res) => {
   }
 
   let file = candidate;
-  if (!existsSync(file) || statSync(file).isDirectory()) {
-    file = join(root, 'index.html');
+  let status = 200;
+  if (existsSync(file) && statSync(file).isDirectory()) {
+    const nested = join(file, 'index.html');
+    file = existsSync(nested) ? nested : join(root, 'index.html');
+  } else if (!existsSync(file)) {
+    const notFound = join(root, '404.html');
+    file = existsSync(notFound) && !isSpaRoute(req.url ?? '/') ? notFound : join(root, 'index.html');
+    if (!isSpaRoute(req.url ?? '/')) status = 404;
   }
   if (!existsSync(file)) {
     send(res, 500, 'dist/ missing — run npm run build before start');
@@ -63,7 +82,7 @@ const server = createServer((req, res) => {
   }
 
   const type = MIME[extname(file).toLowerCase()] ?? 'application/octet-stream';
-  res.writeHead(200, { 'Content-Type': type });
+  res.writeHead(status, { 'Content-Type': type });
   if (req.method === 'HEAD') {
     res.end();
     return;