support.rb in contrast-agent-6.5.0

- old
+ new

@@ -133,11 +133,14 @@
           #
           # @param route [Object] app or route that points to a ::Rails::Engine
           # @return [bool] whether the router is an engine or not.
           def engine_route? route
             return false unless route&.app&.app
+            return false unless route.app.is_a?(::ActionDispatch::Routing::Mapper::Constraints) ||
+                route.app.is_a?(::ActionDispatch::Routing::RouteSet::Dispatcher)
 
-            route.app.is_a?(::ActionDispatch::Routing::Mapper::Constraints) && route.app.app < ::Rails::Engine
+            clazz = route.app.app.is_a?(Class) ? route.app.app : route.app.app.cs__class
+            clazz < ::Rails::Engine
           end
 
           # Recursively get final route traversing engines as required. Because this can only be called once, we store
           # this match for the duration of our request context.
           #