ko.components.register('content', {
  viewModel: { createViewModel: function(params, info) {
    var selector = info.element.getAttribute('select') || ko.unwrap(params.select);
    var selfNodes = info.templateNodes;
    return {
      getTemplate: function(parentNodes, componentVM, parentVM) {
        if (selector) parentNodes = $(parentNodes).filter(selector).get();
        if (!parentNodes.length) return { nodes: selfNodes, data: componentVM };
        return { nodes: parentNodes, data: parentVM };
      }
    };
  } },
  template: '<!-- ko template: getTemplate($parentContext.$componentTemplateNodes, $parent, $parentContext.$parent) --><!-- /ko -->'
});