Managing Rooms and Channels
Organize WebSocket clients into rooms and channels so messages reach only the relevant group, the foundation of chat and collaboration apps.
Why Rooms
Broadcasting to everyone does not scale for multi-topic apps. Rooms (or channels) let you group clients so a message only reaches members of one group, like a single chat room.
Modeling Rooms
A simple model maps a room name to a set of client connections.
const rooms = new Map(); // roomName -> Set<ws>All lessons in this course
- Setting Up a Node.js Project
- Implementing Server-Side Logic
- Broadcasting Messages to Clients
- Managing Rooms and Channels