themes/hugo-book/layouts/_markup/render-codeblock.html


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{{- with (index .Attributes "filename") -}}
  {{- $href := index $.Attributes "href" -}}
  {{- if $href -}}
    {{- $href = partial "docs/links/portable-link" (dict "Page" $.PageInner "Destination" $href) -}}
  {{- end -}}
<div class="book-codeblock-filename">
  <a {{ with $href }}href="{{ . }}"{{ end }}>{{ . }}</a>
</div>
{{- end -}}
{{- (transform.HighlightCodeBlock . .Options).Wrapped -}}