06. Socket io

16.1. Scaling Socket.io Applications For large-scale applications, you’ll need to handle more connections and distribute load efficiently. Here’s how: 16.2. Deployment Best Practices

Socket.io can be used for building collaborative applications where multiple users can work on the same document or project simultaneously. Examples include collaborative text editors, design tools, or project management apps. Example: Collaborative Text Editor Server-side: Client-side:

Proper error handling ensures stability and improves user experience:

Testing Socket.io applications can be challenging but crucial. You can use tools like Jest and supertest for server-side testing, and libraries like socket.io-client for client-side testing. Server-side Testing Example:

React Example: Vue Example:

Using Socket.io with TypeScript can help catch errors early and provide better development experience with type checking. Server-side Example (TypeScript): Client-side Example (TypeScript):