fs.wrapper.appendChild(cNode);
              }
              filterNodes[cNode.path] = cNode;
            } else if (!filter){
              // Append node belonging to a tree node
              if(parentNode.tagName.toLowerCase() == "vc-treenode") {
                parentNode._refs.wrapper.appendChild(cNode);
              // Append root node
              } else{
                fragment.appendChild(cNode);
              }
            }
          });

          el._refs.tree.appendChild(fragment);
       