Interface MiddlewareOptions

The alias of the middleware.

Set as Kernel middleware

Which pipeline the middleware belongs to.

• app (the default): the application's own middleware, run for every event.
• kernel: the kernel's own pipeline, the same place global: true puts it.
• router: after a route has been matched, which is the only layer where a middleware can read the route and what it declares.

The last one is why this exists. A middleware that needs the matched route, to read a permission or a resource a route declared, had nowhere to be declared from: both branches of the decorator led to the kernel, where no route has been matched yet, so such a middleware could only be registered from a blueprint. A module is activated by its decorator or by its blueprint, and both must be able to say the same things.

The params to pass to the middleware.

The execution priority of the middleware.

Whether the middleware should be treated as a singleton.