cms11/resources/views/components/table-of-contents.blade.php

<ul>
    @foreach ($toc as $item)
        <li>
            @if ($bundle->getPath() === $item->getPath())
            <strong>{{ $item->getArticleTitle() }}</strong>
            @else
            <a href="{{ $item->getPath() }}">{{ $item->getArticleTitle() }}</a>
            @endif
            @if (!empty($item->getDirectChildren()))
                @include('components.table-of-contents', ['toc' => $item->getDirectChildren(), 'bundle' => $bundle])
            @endif
        </li>
    @endforeach
</ul>