Update project files

server.mjs

@@ -0,0 +1,46 @@
+import { createServer } from "node:http";
+import { readFile } from "node:fs/promises";
+import { extname, resolve, sep } from "node:path";
+
+const root = resolve(process.cwd());
+const port = Number(process.env.PORT || 4173);
+const host = process.env.HOST || "127.0.0.1";
+
+const mimeTypes = new Map([
+  [".html", "text/html; charset=utf-8"],
+  [".css", "text/css; charset=utf-8"],
+  [".js", "text/javascript; charset=utf-8"],
+  [".json", "application/json; charset=utf-8"],
+  [".png", "image/png"],
+  [".jpg", "image/jpeg"],
+  [".jpeg", "image/jpeg"],
+  [".webp", "image/webp"],
+  [".svg", "image/svg+xml"],
+]);
+
+const server = createServer(async (request, response) => {
+  try {
+    const requestUrl = new URL(request.url, `http://${host}`);
+    const pathname = requestUrl.pathname === "/" ? "/index.html" : decodeURIComponent(requestUrl.pathname);
+    const filePath = resolve(root, `.${pathname.replaceAll("/", sep)}`);
+
+    if (filePath !== root && !filePath.startsWith(`${root}${sep}`)) {
+      response.writeHead(403);
+      response.end("Forbidden");
+      return;
+    }
+
+    const data = await readFile(filePath);
+    response.writeHead(200, {
+      "content-type": mimeTypes.get(extname(filePath)) || "application/octet-stream",
+    });
+    response.end(data);
+  } catch {
+    response.writeHead(404, { "content-type": "text/plain; charset=utf-8" });
+    response.end("Not found");
+  }
+});
+
+server.listen(port, host, () => {
+  console.log(`Portfolio preview running at http://${host}:${port}/`);
+});