added logout API

frontend/js/chat.js

@@ -12,11 +12,19 @@ window.onload = function() {
 }
 
 logoutButton.onclick = logout;
-
 function logout() {
-    cookieStore.delete('token');
+    fetch('/auth/logout', {
-    cookieStore.delete('io');
+        method: 'POST',
-    location.reload();
+        credentials: 'include'
+    })
+        .then(response => {
+            if (response.ok) {
+                window.location.href = '/login';
+            }
+        })
+        .catch(error => {
+            console.error('Logout failed:', error);
+        });
 }
 
 async function getToken() {

index.js

@@ -45,14 +45,17 @@ app.post('/auth/signup', async (req, res) => {
 });
 
 // logout API
-app.post('/auth/logout', (req, res) => {
+ app.post('/auth/logout', (req, res) => {
-    res.clearCookie('token');
+     // clear JWT token
-    req.session.destroy((err) =>{
+     res.clearCookie('token', {
-        if (err) {
+         path: '/'
-            console.log(err);
+     });
-        }
+     // clear socket.io cookie (no idea what is it for)
-    })
+     res.clearCookie('io', {
-})
+         path: '/'
+     });
+     res.status(200).json({ message: 'Successfully logged out'});
+ })
 
 // get JWT token API
 app.get('/auth/token', (req, res) => {