websocket

WebSocket implementation, connection management, scaling patterns, and real-time features.

不碰外部（只输出文字）无严重或高危命中a5c-ai/babysitter

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它会碰到什么不碰外部（只输出文字）

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技能内容

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);
  });

  ws.on('close', () => {
    clients.delete(userId);
  });
});

function broadcast(message: object) {
  const data = JSON.stringify(message);
  clients.forEach((client) => {
    if (client.readyState === WebSocket.OPEN) {
      client.send(data);
    }
  });
}