Both the router
and the match
are injected into Ring Request (as ::r/router
and ::r/match
) by the reitit.ring/ring-handler
and with that, available to middleware and endpoints. To convert a Match
into a path, one can use r/match->path
, which optionally takes a map of query-parameters too.
Below is an example how to do reverse routing from a ring handler:
(require '[reitit.core :as r])
(require '[reitit.ring :as ring])
(def app
(ring/ring-handler
(ring/router
[["/users"
{:get (fn [{::r/keys [router]}]
{:status 200
:body (for [i (range 10)]
{:uri (-> router
(r/match-by-name ::user {:id i})
;; with extra query-params
(r/match->path {:iso "möly"}))})})}]
["/users/:id"
{:name ::user
:get (constantly {:status 200, :body "user..."})}]])))
(app {:request-method :get, :uri "/users"})
; {:status 200,
; :body ({:uri "/users/0?iso=m%C3%B6ly"}
; {:uri "/users/1?iso=m%C3%B6ly"}
; {:uri "/users/2?iso=m%C3%B6ly"}
; {:uri "/users/3?iso=m%C3%B6ly"}
; {:uri "/users/4?iso=m%C3%B6ly"}
; {:uri "/users/5?iso=m%C3%B6ly"}
; {:uri "/users/6?iso=m%C3%B6ly"}
; {:uri "/users/7?iso=m%C3%B6ly"}
; {:uri "/users/8?iso=m%C3%B6ly"}
; {:uri "/users/9?iso=m%C3%B6ly"})}
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