{{#if page.toc}}
<aside class="toc" aria-label="On this page">
  <p class="toc__title">On this page</p>
  <nav>
    <ul>
      {{#for item in page.toc}}
        <li class="toc__item toc__item--level-{{item.level}}"><a href="{{item.href}}" data-toc-link>{{item.title}}</a></li>
      {{/for}}
    </ul>
  </nav>
</aside>
{{#else}}
<aside class="toc" aria-label="On this page" data-enhance-toc hidden></aside>
{{/if}}