hugo-tufte/layouts/shortcodes/figure.html

{{ $alt := .Get "alt" | default "Image" }}
{{ $type := .Get "type" | default "normal" }}
{{- $ind := .Get "ind" | default .Site.Params.marginNoteInd -}}

<!-- get a default label just in case -->
{{- $label := printf "%#v" (add .Ordinal 1) | printf "%s%s" "marginfig-" | printf "%s" -}}
{{- if .Get "label" -}}
{{- $label = .Get "label" -}}
{{- end -}}

<!-- begin figure tag -->
{{- if not (eq $type "margin") -}}
  {{ if eq $type "full" }}<!-- full -->
    <figure class="fullwidth">
  {{ else }}<!-- normal -->
    <figure {{ with .Get "class" }}class="{{ . }}"{{ end }}>
  {{ end }}
{{- end -}}

<!-- begin child elements -->
{{- if eq $type "full" -}}<!-- child for full -->
  {{ with .Get "link" }}<a href="{{ . }}">{{ end }}
  <img src="{{ .Get "src" }}" alt="{{ $alt }}">
  {{ if .Get "link" }}</a>{{ end }}
  <figcaption>
{{- else -}}<!--  child for margin or normal (begin) -->

  {{- if or (or (.Get "caption") (.Get "attr")) (eq $type "margin") -}}<!-- begin marginnote -->
    <label for="{{ $label }}" class="margin-toggle marginnote-ind">{{ $ind }}</label>
    <input type="checkbox" id="{{ $label }}" class="margin-toggle"/>
    <span class="marginnote">
  {{- end -}}

  {{- if eq $type "margin" -}}<!-- margin image inside marginnote -->
    {{ with .Get "link" }}<a href="{{ . }}">{{ end }}
    <img src="{{ .Get "src" }}" alt="{{ $alt }}">
    {{ if .Get "link" }}</a>{{ end }}
  {{- end -}}

{{- end -}}<!--  child for margin or normal (end) -->

{{ with .Get "title"}}<strong>{{ . | markdownify }}. </strong>{{ end}}
{{ with .Get "caption"}}{{ . | markdownify }}{{ end }}
{{ with .Get "attr" }}{{ . | markdownify }}.{{ end }}

<!-- end child elements -->
{{ if eq $type "full" }}<!-- end full -->
  </figcaption>
{{ else }}<!--  end margin or normal -->
  {{- if or (or (.Get "caption") (.Get "attr")) (eq $type "margin") -}}</span>{{- end -}}<!-- end marginnote -->
{{ end }}

{{ if (eq $type "normal") }}
  {{ with .Get "link" }}<a href="{{ . }}">{{ end }}
  <img src="{{ .Get "src" }}" alt="{{ $alt }}">
  {{ if .Get "link" }}</a>{{ end }}
{{ end }}

<!-- end figure tag -->
{{ if not (eq $type "margin") }}
</figure>
{{ end }}