code: public static boolean isJSFileNode (@Nullable final IHCNode aNode)
    {
      final IHCNode aUnwrappedNode = HCHelper.getUnwrappedNode (aNode);
      return isDirectJSFileNode (aUnwrappedNode);
    }
docs: Check if the passed node is a file JS node after unwrapping.
  
  @param aNode
  The node to be checked - may be <code>null</code>.
  @return <code>true</code> if the node implements {@link HCScriptFile}.