Merge pull request #32175 from bogdanvlviv/express-route_for-as-public-api

Express `ActionDispatch::Routing::UrlFor#route_for` as public api

(cherry picked from commit e764336e)

actionpack/lib/action_dispatch/routing/url_for.rb

@@ -191,7 +191,19 @@ def full_url_for(options = nil) # :nodoc:
         end
       end
 
-      def route_for(name, *args) # :nodoc:
+      # Allows calling direct or regular named route.
+      #
+      #   resources :buckets
+      #
+      #   direct :recordable do |recording|
+      #     route_for(:bucket, recording.bucket)
+      #   end
+      #
+      #   direct :threadable do |threadable|
+      #     route_for(:recordable, threadable.parent)
+      #   end
+      #
+      def route_for(name, *args)
         public_send(:"#{name}_url", *args)
       end