module ActionDispatch::Routing::Mapper::Resources

def decomposed_match(path, controller, options, _path, to, via, formatted, anchor, options_constraints)
  if on = options.delete(:on)
    send(on) { decomposed_match(path, controller, options, _path, to, via, formatted, anchor, options_constraints) }
  else
    case @scope.scope_level
    when :resources
      nested { decomposed_match(path, controller, options, _path, to, via, formatted, anchor, options_constraints) }
    when :resource
      member { decomposed_match(path, controller, options, _path, to, via, formatted, anchor, options_constraints) }
    else
      add_route(path, controller, options, _path, to, via, formatted, anchor, options_constraints)
    end
  end
end