hextra/layouts/_shortcodes/tab.html

{{- /*
Create a tab.

@example {{< tab >}}content{{< /tab >}}
*/ -}}

{{- $defaultIndex := int ((.Parent.Get "defaultIndex") | default "0") -}}

<div
  class="hextra-tabs-panel hx:rounded-sm hx:pt-6 hx:hidden hx:data-[state=selected]:block"
  id="tabs-panel-{{ .Ordinal }}"
  role="tabpanel"
  {{- if eq .Ordinal $defaultIndex }} tabindex="0" {{ end -}}
  {{- if eq .Ordinal $defaultIndex }} data-state="selected" {{ end -}}
>
  {{- .InnerDeindent | markdownify -}}
</div>
{{- /* Drop trailing newlines */ -}}