From b27eff40c3df2f0ea62df1df9c082bcd427e4a46 Mon Sep 17 00:00:00 2001
From: Raj Gahoi <gahoiraj01@gmail.com>
Date: Sat, 24 Oct 2026 20:21:42 +0530
Subject: [PATCH] fix(api): correct Express route signatures and add socket
 payload guards

---
 api/eslint.config.js |  2 +-
 api/index.js         | 55 +++++++++++++++++++++++++-------------------
 2 files changed, 32 insertions(+), 25 deletions(-)

diff --git a/api/eslint.config.js b/api/eslint.config.js
index 2edbef8..3feb350 100644
--- a/api/eslint.config.js
+++ b/api/eslint.config.js
@@ -3,6 +3,6 @@ import pluginJs from "@eslint/js";
 
 
 export default [
-  {languageOptions: { globals: globals.browser }},
+  {languageOptions: { globals: { ...globals.node, ...globals.browser } }},
   pluginJs.configs.recommended,
 ];
\ No newline at end of file
diff --git a/api/index.js b/api/index.js
index 4303364..d8a4531 100644
--- a/api/index.js
+++ b/api/index.js
@@ -18,50 +18,57 @@ ysocketio.initialize();
 
 app.use(cors({origin: '*'}))
 
-app.get('/', ()=>{
-    console.log('running')
-})
+app.get('/', (req, res) => {
+    res.status(200).json({ status: "ok", message: "drawRTC server running" });
+});
 
-app.get('/test', (res) => {
-    res.send(JSON.stringify({ok: true}));
-})
+app.get('/test', (req, res) => {
+    res.status(200).json({ ok: true });
+});
 
 io.on('connection', (socket) => {
 
-    socket.on('joinRoom', ({room_id}) => {
-        socket.join(room_id);
-        console.log(`User ${socket.id} joined room ${room_id}`);
-    })
+    socket.on('joinRoom', (data) => {
+        const roomId = data?.room_id;
+        if (!roomId) return;
+        socket.join(roomId);
+        console.log(`User ${socket.id} joined room ${roomId}`);
+    });
 
-    socket.on('draw', (data)=>{
-        const room = data.room_id;
+    socket.on('draw', (data) => {
+        const room = data?.room_id;
+        if (!room) return;
         socket.to(room).emit('draw', data);
-    })
+    });
 
     socket.on('clear', (data) => {
-        const room = data.room_id;
+        const room = data?.room_id;
+        if (!room) return;
         socket.to(room).emit('clear');
-    })
+    });
 
-    socket.on('open-text-editor', data => {
-        const room = data.room_id;
+    socket.on('open-text-editor', (data) => {
+        const room = data?.room_id;
+        if (!room) return;
         socket.to(room).emit("open-text-editor", data);
-    })
+    });
 
-    socket.on('close-text-editor', data => {
-        const room = data.room_id;
+    socket.on('close-text-editor', (data) => {
+        const room = data?.room_id;
+        if (!room) return;
         socket.to(room).emit("close-text-editor", data);
-    })
+    });
     
     socket.on("text-updated", (data) => {
-        const room = data.room_id;
+        const room = data?.room_id;
+        if (!room) return;
         socket.to(room).emit("text-updated", data);
     });
 
     socket.on("disconnect", () => {
         console.log(`${socket.id} disconnected`);
-    })
-})
+    });
+});
 
 server.listen(PORT, ()=>{
     console.log(`server running on ${PORT}`)