class ActionDispatch::Routing::RoutesInspector

def collect_routes(routes)
  routes.collect do |route|
    RouteWrapper.new(route)
  end.reject do |route|
    route.internal?
  end.collect do |route|
    collect_engine_routes(route)
    { name:   route.name,
      verb:   route.verb,
      path:   route.path,
      reqs:   route.reqs,
      regexp: route.json_regexp }
  end
end