component.rb

          opal = Opal::Server.new do |s|
            # Append the gems path
            s.debug = true
            s.source_map = true
            s.append_path Gem::Specification.find_by_name("roda-component").gem_dir + '/lib'

            # Append the path to the components folder
            s.append_path scope.component_opts[:path]

            s.main = 'roda/component'
          end

          on self.class.component_assets_route_regex do |component, action|
            path = scope.request.env['REQUEST_PATH']

            if path[/\.js\Z/]
              run opal.sprockets
            else
              run Opal::SourceMapServer.new(opal.sprockets, path)
            end
          end