socketio
diff --git a/‎index.html
+40 b/‎index.html
+40
diff --git a/‎package.json
-1 b/‎package.json
-1
diff --git a/‎public/index.html
-11 b/‎public/index.html
-11
diff --git a/‎public/main.js
-19 b/‎public/main.js
-19
diff --git a/‎server.js
+19-7 b/‎server.js
+19-7
@@ -0,0 +1,40 @@
+<!doctype html>
+<html lang="en">
+  <head>
+    <meta charset="UTF-8">
+    <title>Socket.IO Fiddle</title>
+  </head>
+  <body>
+    <p>Status: <span id="status"></span></p>
+    <p>Transport: <span id="transport"></span></p>
+
+    <script src="/socket.io/socket.io.js"></script>
+    <script>
+      const statusSpan = document.getElementById("status");
+      const transportSpan = document.getElementById("transport");
+      const socket = io();
+
+      statusSpan.innerText = "Disconnected";
+      transportSpan.innerText = "N/A";
+
+      socket.on("connect", () => {
+        statusSpan.innerText = "Connected";
+        transportSpan.innerText = socket.io.engine.transport.name;
+        socket.io.engine.on("upgrade", (transport) => {
+          transportSpan.innerText = transport.name;
+        });
+        console.log(`connect ${socket.id}`);
+      });
+
+      socket.on("connect_error", (err) => {
+        console.log(`connect_error due to ${err.message}`);
+      });
+
+      socket.on("disconnect", (reason) => {
+        statusSpan.innerText = "Disconnected";
+        transportSpan.innerText = "N/A";
+        console.log(`disconnect due to ${reason}`);
+      });
+    </script>
+  </body>
+</html>
@@ -6,7 +6,6 @@
   "license": "MIT",
   "type": "module",
   "dependencies": {
-    "express": "~4.17.1",
     "socket.io": "^4.0.0",
     "socket.io-client": "^4.0.0"
   },
 
@@ -1,14 +1,26 @@
-import { default as express } from "express";
-import { createServer } from "http";
+import { createServer } from "node:http";
+import { readFile } from "node:fs/promises";
 import { Server } from "socket.io";
 
-const app = express();
-const httpServer = createServer(app);
-const io = new Server(httpServer, {});
-
 const port = process.env.PORT || 3000;
 
-app.use(express.static("public"));
+const httpServer = createServer(async (req, res) => {
+  if (req.url !== "/") {
+    res.writeHead(404);
+    res.end("Not found");
+    return;
+  }
+  // reload the file every time
+  const content = await readFile("index.html");
+
+  res.writeHead(200, {
+    "Content-Type": "text/html",
+    "Content-Length": Buffer.byteLength(content),
+  });
+  res.end(content);
+});
+
+const io = new Server(httpServer, {});
 
 io.on("connection", (socket) => {
   console.log(`connect ${socket.id}`);