protected function render ()
  {
    $prop   = $this->props;
    $assets = $this->context->getAssetsService ();

    if (exists ($prop->var))
      $assets->addInlineScript (sprintf ('var %s=%s;', $prop->var, javascriptLiteral ($prop->export, false)));

    elseif (exists ($prop->src))
      $assets->addScript ($prop->src, $this->props->prepend);

    elseif ($this->hasChildren ())
      $assets->addInlineScript (self::getRenderingOfSet ($this->getChildren ()), $prop->name, $this->props->prepend);
  }