tested websocket

package-lock.json

@@ -94,8 +94,7 @@
     "@types/node": {
       "version": "15.12.4",
       "resolved": "https://registry.npmjs.org/@types/node/-/node-15.12.4.tgz",
-      "integrity": "sha512-zrNj1+yqYF4WskCMOHwN+w9iuD12+dGm0rQ35HLl9/Ouuq52cEtd0CH9qMgrdNmi5ejC1/V7vKEXYubB+65DkA==",
-      "dev": true
+      "integrity": "sha512-zrNj1+yqYF4WskCMOHwN+w9iuD12+dGm0rQ35HLl9/Ouuq52cEtd0CH9qMgrdNmi5ejC1/V7vKEXYubB+65DkA=="
     },
     "@types/qs": {
       "version": "6.9.6",
@@ -119,6 +118,14 @@
         "@types/node": "*"
       }
     },
+    "@types/ws": {
+      "version": "7.4.5",
+      "resolved": "https://registry.npmjs.org/@types/ws/-/ws-7.4.5.tgz",
+      "integrity": "sha512-8mbDgtc8xpxDDem5Gwj76stBDJX35KQ3YBoayxlqUQcL5BZUthiqP/VQ4PQnLHqM4PmlbyO74t98eJpURO+gPA==",
+      "requires": {
+        "@types/node": "*"
+      }
+    },
     "abbrev": {
       "version": "1.1.1",
       "resolved": "https://registry.npmjs.org/abbrev/-/abbrev-1.1.1.tgz",
@@ -1507,6 +1514,11 @@
         "typedarray-to-buffer": "^3.1.5"
       }
     },
+    "ws": {
+      "version": "7.5.0",
+      "resolved": "https://registry.npmjs.org/ws/-/ws-7.5.0.tgz",
+      "integrity": "sha512-6ezXvzOZupqKj4jUqbQ9tXuJNo+BR2gU8fFRk3XCP3e0G6WT414u5ELe6Y0vtp7kmSJ3F7YWObSNr1ESsgi4vw=="
+    },
     "xdg-basedir": {
       "version": "4.0.0",
       "resolved": "https://registry.npmjs.org/xdg-basedir/-/xdg-basedir-4.0.0.tgz",

package.json

@@ -12,7 +12,9 @@
   "author": "",
   "license": "ISC",
   "dependencies": {
-    "express": "^4.17.1"
+    "@types/ws": "^7.4.5",
+    "express": "^4.17.1",
+    "ws": "^7.5.0"
   },
   "devDependencies": {
     "@types/express": "^4.17.12",

src/index.ts

@@ -1,9 +1,27 @@
 import express, { Request, Response } from "express";
+import * as http from 'http';
+import WebSocket from "ws"
 
 const app = express();
 
+const server = http.createServer(app);
+
+const ws = new WebSocket.Server({server})
+
+ws.on("connection", (ws : WebSocket)=>{
+    ws.on("message", (message : string)=>{
+        console.log('received: %s', message);
+        ws.send(`Hello, you sent -> ${message}`);
+    })
+    ws.send('Hi there, I am a WebSocket server');
+})
+
 app.get("/", (req: Request, res: Response) => {
   res.send("Hello World");
 });
 
-app.listen(5000, () => console.log("Server listening on http://localhost:5000"))
+const port = process.env.PORT || 5000
+
+server.listen(port, () => {
+    console.log(`Server started on port ${port} :)`);
+})