stacks-middleware

To apply authentication and rate limiting in Stacks, define custom request handlers as middleware, register them in the app/Middleware.ts alias registry, and map them to your routes using colon-syntax parameters for dynamic control.

The middleware alias registry in Stacks maps short aliases to specific middleware classes, allowing you to define routes with clean, readable syntax while managing the request interception pipeline consistently across your application.

Create custom middleware in Stacks by generating a file in the app/Middleware directory, adhering to the Middleware class structure to define pre-route logic, and registering it in the alias registry to apply environment-specific checks or short-circuit responses.

Yes, you can pass dynamic parameters to Stacks middleware using intuitive colon-syntax, enabling flexible application of parameterized controls like role-based access control or variable rate limiting thresholds directly within your route definitions.

Request short-circuiting in the Stacks middleware pipeline occurs when a custom handler executes before route logic and terminates the cycle by returning a response or throwing an error, halting further processing for cross-cutting concerns.