

747: Middleware Explained
5 snips Mar 25, 2024
Explore the fascinating world of middleware in web development! Discover how it facilitates user authentication, handles errors, and manages A/B testing. Learn about caching and logging techniques that enhance application performance. The hosts break down real-world examples and discuss the evolution of middleware toward edge functions. Plus, uncover the limitations of various frameworks like Next.js and SvelteKit. This informative discussion is designed to supercharge your backend skills!
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Middleware Definition
- Middleware is code running between a request and its handler.
- It preprocesses logic like authentication or data fetching before routing.
Authentication Middleware
- Authentication is a key middleware use case.
- It checks tokens, authorizes users, and loads user data into the request context.
Admin Route Authorization
- Wes uses middleware for admin route authorization.
- It avoids redundant permission checks in individual route handlers.