hugo-academic/wowchemy/layouts/shortcodes/figure.html

{{/* Figure Shortcode for Wowchemy. */}}
{{/* Load image from page dir falling back to media library at `assets/media/` and then to remote URI. */}}
{{/* Note: Uses `{{-` to unindent HTML so that Figure shortcode can be nested within a `{{%` Markdown shortcode,
     such as Callout, without the HTML being rendered as a Markdown code block. */}}

{{ $destination := .Get "src" }}
{{ $caption := .Get "caption" | default (.Get "title") | default "" }}{{/* Support legacy `title` option. */}}
{{ $zoom := eq (.Get "lightbox" | default "true") "true" }}
{{ $id := anchorize (.Get "id" | default ($caption | plainify)) }}
{{ $alt := .Get "alt" | default ($caption | plainify) }}

{{- $img := (.Page.Resources.ByType "image").GetMatch $destination -}}
{{- if not $img -}}
  {{- $img = resources.Get (path.Join "media" $destination) -}}
{{- end -}}

<figure {{ with .Get "class" }}class="{{.}}"{{ end }} {{ with $id }}id="figure-{{ . }}"{{ end }}>

  {{- if $img -}}
    {{ $isSVG := eq $img.MediaType.SubType "svg" }}
    {{ if $isSVG -}}
      <img alt="{{ $alt }}"
       src="{{ $img.RelPermalink }}"
       loading="lazy"
       {{ if $zoom }}data-zoomable{{end}}
       {{ with .Get "width" }}width="{{.}}"{{end}} {{ with .Get "height" }}height="{{.}}"{{end}} />
    {{- else }}
      {{- $img_lg := $img.Fit "1200x1200" -}}
      {{- $img_md := $img_lg.Fit "760x760" -}}{{/* Match `.docs-article-container` max-width */}}
      {{- $img_sm := $img_md.Fit "400x400" -}}
      {{- $width := (.Get "width") | default $img_md.Width -}}
      {{- $height := (.Get "height") | default $img_md.Height -}}
      <img alt="{{ $alt }}" srcset="
           {{ $img_sm.RelPermalink }} 400w,
           {{ $img_md.RelPermalink }} 760w,
           {{ $img_lg.RelPermalink }} 1200w"
           src="{{ $img_sm.RelPermalink }}"
           width="{{ $width }}"
           height="{{ $height }}"
           loading="lazy"
           {{ if $zoom }}data-zoomable{{end}} />
    {{- end }}
  {{- else -}}
    <img src="{{ $destination | safeURL }}" alt="{{ $alt }}" loading="lazy" {{ if $zoom }}data-zoomable{{end}}
         {{ with .Get "width" }}width="{{.}}"{{end}} {{ with .Get "height" }}height="{{.}}"{{end}} />
  {{- end -}}

  {{ if $caption }}
    {{/* Localize the figure numbering (if enabled). */}}
    {{- $figure := split (i18n "figure" | default "Figure %d:") "%d" -}}
    <figcaption{{ if eq (.Get "numbered") "true" }} data-pre="{{- trim (index $figure 0) " " -}}&nbsp;" data-post="{{ index $figure 1 }}&nbsp;" class="numbered"{{ end }}>
      {{ $caption | markdownify | emojify }}
    </figcaption>
  {{- end -}}
</figure>