Understanding Middleware and Its Evolution to Edge Functions

Join Wes and Scott for a hasty episode of Syntax as they unpack the power of middleware for developers, covering caching, authentication, A/B testing, error handling, and user redirection in a quick, punchy rundown to supercharge your backend skills!

• 00:00 Welcome to Syntax!
• 00:41 Syntax on YouTube.
• 01:28 What is middleware?
• 05:04 Some real-world examples of middleware.
  • 05:10 Authentication.
  • 07:44 Redirecting users to a specific instance.
  • 08:28 Logging + statistics.
  • 09:41 Debugging.
  • 10:00 Timers.
  • 10:46 A/B testing.
  • 11:59 Error handling + logging.
  • 12:23 Caching.
  • 13:02 Multi-tenant applications.
• 15:08 Where does it run?
• 18:07 What are the limitations?
• 21:52 Next.js middleware is one file only.
• NextJS Middleware
• 23:35 Sveltekit solution.
• Sveltekit Hooks
• 24:31 Connect style.
• Fastify Express
• Fastify Middle
• 25:28 One last thing, NPM Installing.

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