WebSocket Skill

WebSocket Skill

Expert assistance for implementing WebSocket real-time communication.

Capabilities

• Implement WebSocket servers
• Handle connection lifecycle
• Build pub/sub patterns
• Scale with Redis adapter
• Implement reconnection logic
• Handle authentication

Usage

Invoke this skill when you need to:

• Add real-time features
• Build chat applications
• Implement live updates
• Handle bidirectional communication

Server Implementation

import { WebSocketServer, WebSocket } from 'ws';
import { createServer } from 'http';

const server = createServer();
const wss = new WebSocketServer({ server });

const clients = new Map<string, WebSocket>();

wss.on('connection', (ws, req) => {
  const userId = authenticateConnection(req);
  clients.set(userId, ws);

  ws.on('message', (data) => {
    const message = JSON.parse(data.toString());
    handleMessage(userId, message);
  });