Syntax - Tasty Web Development Treats

747: Middleware Explained

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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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INSIGHT

Middleware Definition

  • Middleware is code running between a request and its handler.
  • It preprocesses logic like authentication or data fetching before routing.
ANECDOTE

Authentication Middleware

  • Authentication is a key middleware use case.
  • It checks tokens, authorizes users, and loads user data into the request context.
ANECDOTE

Admin Route Authorization

  • Wes uses middleware for admin route authorization.
  • It avoids redundant permission checks in individual route handlers.
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