Rewrite Middleware in Route

[phhoef]

I would like to rewrite the URL for a specific route.
I tried it like this, but it is not working

	mux.Route("/endpoint", func(r chi.Router) {
              	r.Use(middleware.RewriteRoute)
		r.Route("/{source}", func(r chi.Router) {
			r.Get("/handler", myHandler)
		})
	})

Though, when moving the middleware to the outer scope it is working.

	mux.Use(middleware.RewriteRoute)
	mux.Route("/endpoint", func(r chi.Router) {
		r.Route("/{source}", func(r chi.Router) {
			r.Get("/handler", myHandler)
		})
	})

Can someone please explain what's wrong with my idea?

[ousloob]

@phhoef
When you use mux.Route("/endpoint", func(r chi.Router) {...}), Chi creates a subrouter that is isolated from the parent router mux. When you attach middleware.RewriteRoute inside this subrouter, it only affects the routes defined inside that block and does not alter the URL before it reaches the subrouter.