layouts/shortcodes/figure.html

{{- $type := .Get "type" }}
{{- $figID := print "fig-" .Page.File.UniqueID "-" .Ordinal }}
{{- if not (eq $type "margin") }}
    {{- if eq $type "full" }}<figure class="fullwidth">
    {{- else }}<figure {{ with .Get "class" }} class="{{ . }}"{{ end }}>
    {{- end }}
{{- end }}
{{- if eq $type "full" }}
    {{- with .Get "link" }}<a href="{{ . }}" class="has-img">{{ end }}
        <img src="{{ .Get "src" }}"
            {{ with .Get "alt" }}
                alt=" {{ . }}"
                title="{{ . }}"
            {{ end }}
            aria-describedby="{{ $figID }}"
            loading="lazy"
            >
    {{- if .Get "link" }}</a>{{ end }}
    <figcaption id="{{ $figID }}">
{{- else }}
    <input id="{{ $figID }}" class="marginpar-ctrl" type="checkbox" aria-controls="the-{{ $figID }}" hidden>
    <label for="{{ $figID }}"></label>
    {{- if eq $type "margin" }}
        <span id="the-{{ $figID }}" class="marginpar">
        {{- with .Get "link" }}<a href="{{ . }}" class="has-img">
        {{- end }}
            <img src="{{ .Get "src" }}" {{ with .Get "alt" }} alt=" {{ . }}" title="{{ . }}" {{ end }} aria-describedby="{{ $figID }}" loading="lazy">
        {{- if .Get "link" }}</a>{{ end }}
    {{ else }}
    <span id="the-{{ $figID }}" class="marginpar">
    {{- end }}
{{- end }}
    {{ with .Get "title" }}<strong>{{ . }} </strong>{{ end }}
    {{ with .Get "caption" }}{{ . }}{{ end }}
    {{ with .Get "attrlink" }}<a href="{{ .}}">{{ end }}
    {{- with .Get "attr" }}{{ . }}{{ end }}
    {{- if .Get "attrlink" }}</a>{{ end }}
{{- if eq $type "full" }}
    </figcaption>
{{- else }}
    </span>
{{- end }}
{{- if and (not (eq $type "full")) (not (eq $type "margin")) }}
    {{ with .Get "link" }}<a href="{{ . }}" class="has-img">{{ end }}
        <img src="{{ .Get "src" }}"
            {{- with .Get "alt" }}
                alt="{{ . }}"
                title="{{ . }}"
            {{- end -}}
            aria-describedby="{{ $figID }}"
            loading="lazy"
            >
    {{- if .Get "link" }}</a>{{ end }}
{{- end }}
{{- if not (eq $type "margin") }}
    </figure>
{{- end }}