instance method url_options

# File actionpack/lib/action_controller/metal/url_for.rb, line 36
    def url_options
      @_url_options ||= {
        host: request.host,
        port: request.optional_port,
        protocol: request.protocol,
        _recall: request.path_parameters,
        **super,
      }.freeze

      if (same_origin = _routes.equal?(request.routes)) ||
         (script_name = request.engine_script_name(_routes)) ||
         (original_script_name = request.original_script_name)

        if original_script_name
          { **@_url_options, original_script_name: original_script_name }.freeze
        else
          effective_script_name = same_origin ? request.script_name : script_name

          # Memoized per script_name value, compared on every call: the
          # script name only changes around engine dispatch, but a stale
          # hash must never be served if it does.
          cached = @_url_options_with_script_name
          if cached && cached[:script_name] == effective_script_name
            cached
          else
            script_name = effective_script_name.empty? ? "" : effective_script_name.dup
            @_url_options_with_script_name = { **@_url_options, script_name: script_name }.freeze
          end
        end
      else
        @_url_options
      end
    end