code: function getComponentDescendants (root, component, onlyChildren, includeSelf) {
      var node = rquery_getDOMNode(component),
          descendants = [];
  
      if (onlyChildren) {
        descendants = node.children;
      } else {
        descendants = node.getElementsByTagName('*');
      }
  
      // convert to array
      descendants = _.toArray(descendants);
  
      if (includeSelf) {
        descendants.unshift(rquery_getDOMNode(component));
      }
  
      injectCompositeComponents(root, descendants);
  
      return descendants;
    }
docs: Reduces the list of descendants to only DOM nodes. Then, it will splice in
  the React components for any composite components.