# File lib/sprockets/rails/legacy_asset_tag_helper.rb, line 9
      def javascript_include_tag(*sources)
        options = sources.extract_options!.stringify_keys
        sources.uniq.map { |source|
          tag_options = {
            "src" => path_to_javascript(source)
          }.merge(options)
          content_tag(:script, "", tag_options)
        }.join("\n").html_safe
      end