hugo-theme-anubis2/layouts/partials/toc.html

{{ $toc := and ($.Site.Params.toc) (ge .WordCount $.Site.Params.tocWordCount) }} 
{{ if isset .Params "toc" }} 
  {{ $toc = .Params.toc }}
{{ end }} 


{{ if $toc }}
  {{ $tocContent := .TableOfContents }}
  {{ if findRE "<li>" $tocContent }}
  <!-- we show the toc only if we have element in .TableOfContents -->
  <details class="toc noselect">
    <summary>Table of Contents</summary>
    <div class="inner">{{ .TableOfContents }}</div>
  </details>
  {{ end }}
{{ end }}


<script>
  var toc = document.querySelector(".toc");
  if (toc) {
    toc.addEventListener("click", function () {
      if (event.target.tagName !== "A") {
        event.preventDefault();
        if (this.open) {
          this.open = false;
          this.classList.remove("expanded");
        } else {
          this.open = true;
          this.classList.add("expanded");
        }
      }
    });
  }
</script>