Omphaloskepsis-2/layouts/shortcodes/picture.html

<!--
    Shortcode to render an image as part of content where the place in text flow is important.

    @params src Image `src` path.
    @params link  URI or Page Resource to wrap image in. Optional.
    @params rel Force relationship value. Optional.
-->

<!-- Variable assignment -->

{{- $src := $.Page.Resources.GetMatch ( .Get "src" ) -}}
{{- $linkedResource := $.Page.Resources.GetMatch ( .Get "link" ) -}}
{{- $valid_rel_values := partialCached "util/get_valid_rel_values.html.tmpl" . -}}

<!-- Validation -->

{{- if ( not $src ) -}}
  {{- errorf "No Page Resource found for src %q (%q)" ( .Get "src" ) .Page.File.Path -}}
{{- end -}}

{{- if not ( eq $src.ResourceType "image" ) -}}
    {{- errorf "Resource %q has resource type %q (expected \"image\") (%q)" ( .Get "src" ) $src.ResourceType .Page.File.Path -}}
{{- end -}}

{{- with .Get "rel" -}}
    {{- if not ( in $valid_rel_values . ) -}}
        {{- errorf "Invalid rel value %q (%q)" . .Page.File.Path -}}
    {{- end -}}
{{- end -}}

<!-- Rendering -->
<div>
{{- if .Get "link" -}}
    {{- if $linkedResource -}}
        <a href="{{- $linkedResource.RelPermalink -}}"{{- with .Get "rel" }} rel="{{- . -}}"{{- end -}}>
    {{- else -}}
        <a href="{{- .Get "link" -}}">
    {{- end -}}
{{- end -}}

{{- partial "media/picture.html.tmpl" $src -}}

{{- if .Get "link" -}}
    </a>
{{- end -}}

{{- with ( .Get "caption" ) -}}
    <div class="figure__caption"><p class="figcaption__caption">{{ . | safeHTML }}</p></div>
{{- end -}}
</div>