routes.rb

app_routes = Rails.application.routes.routes
ActionDispatch::Routing::RoutesInspector.new(app_routes).send(:collect_routes, app_routes)
#=>
[{:name=>"books",
  :verb=>"GET",
  :path=>"/books(.:format)",
  :reqs=>"books#index"},
 {:name=>"",
  :verb=>"POST",
  :path=>"/books(.:format)",
  :reqs=>"books#create"},
 {:name=>"new_book",
  :verb=>"GET",
  :path=>"/books/new(.:format)",
  :reqs=>"books#new"},
 {:name=>"edit_book",
  :verb=>"GET",
  :path=>"/books/:id/edit(.:format)",
  :reqs=>"books#edit"},
 {:name=>"book",
  :verb=>"GET",
  :path=>"/books/:id(.:format)",