{{ $mermaidData := dict "theme" "default" }}
{{ $data := dict "code" .Inner "mermaid" $mermaidData }}

<figure class="mermaid">
  <img src="https://mermaid.ink/img/{{ $data | jsonify | base64Encode }}" referrerpolicy="no-referrer" decoding="async" loading="lazy" alt='{{ .Get "caption" }}' />
  <figcaption class="text-center">
    <small>{{ .Get "caption" }}</small>
  </figcaption>
</figure>