gohugo-theme-ananke/layouts/shortcodes/figure.html

{{ $srcset := slice }}
{{/* Matching uses relative paths so strip a leading / character if present. */}}
{{- with .Page.Resources.GetMatch (trim (.Get "src") "/") -}}
  {{- /* Standard width of main is 70% (w-70-ns) */ -}}
  {{- $target_width := 0.70 -}}
  {{ $srcset = partial "func/GetImageSrcset" (dict "original" . "target_width" $target_width) }}
{{ end }}
{{ $class := .Get "class" | default "mh0" }}
<figure{{ with $class }} class="{{ . }}"{{ end }}>
    {{- if .Get "link" -}}
        <a href="{{ .Get "src" }}"{{ with .Get "target" }} target="{{ . }}"{{ end }}{{ with .Get "rel" }} rel="{{ . }}"{{ end }}>
    {{- end -}}
    <img src="{{ .Get "src" }}"
         {{- if or (.Get "alt") (.Get "caption") }}
         alt="{{ with .Get "alt" }}{{ . }}{{ else }}{{ .Get "caption" | markdownify| plainify }}{{ end }}"
         {{- end -}}
         {{- with $srcset }} srcset="{{ delimit . ", " }}"{{ end -}}
         {{- with .Get "width" }} width="{{ . }}"{{ end -}}
         {{- with .Get "height" }} height="{{ . }}"{{ end -}}
    /><!-- Closing img tag -->
    {{- if .Get "link" }}</a>{{ end -}}
    {{- if or (or (.Get "title") (.Get "caption")) (.Get "attr") -}}
        <figcaption class="tc">
            {{ with (.Get "title") -}}
                <h4>{{ . }}</h4>
            {{- end -}}
            {{- if or (.Get "caption") (.Get "attr") -}}<p class="i">
                {{- .Get "caption" | markdownify -}}
                {{- with .Get "attrlink" }}
                    <a href="{{ . }}">
                {{- end -}}
                {{- .Get "attr" | markdownify -}}
                {{- if .Get "attrlink" }}</a>{{ end }}</p>
            {{- end }}
        </figcaption>
    {{- end }}
</figure>