class ActionDispatch::Routing::ConsoleFormatter::Base

def no_routes(routes, filter)
  @buffer <<
    if routes.none?
      <<~MESSAGE
        You don't have any routes defined!
        Please add some routes in config/routes.rb.
      MESSAGE
    elsif filter.key?(:controller)
      "No routes were found for this controller."
    elsif filter.key?(:grep)
      "No routes were found for this grep pattern."
    end
  @buffer << "For more information about routes, see the Rails guide: https://guides.rubyonrails.org/routing.html."
end