protected function handleImports(Node $node)
    {

        foreach ($node->find('import') as $importNode) {

            if (!$this->options['allow_imports'])
                $this->throwException(
                    'Imports are disabled in this Jade compiler instance through the [`allow_imports`] option. '.
                    'Set it to [`false`] (default) to enable imports again',
                    $node
                );

            $this->handleImport($importNode);
        }

        return $this;
    }