refactor: resource attribution

layouts/partials/media/attr.html

@@ -0,0 +1,58 @@
+<!--
+    Partial to render attribution for a resource.
+
+    @params sc Site context.
+    @params pc Page context.
+    @params attr Resource attribution.
+    @params attr_link  Resource link. Optional.
+    @params attr_license  Resource license. Optional.
+    @params attr_license_link  Resource license link. Optional.
+-->
+
+<!-- Validation -->
+
+{{- if ( not ( isset . "sc" ) ) -}}
+  {{- errorf "No site context received" -}}
+{{- end -}}
+
+{{- if ( not ( isset . "pc" ) ) -}}
+  {{- errorf "No page context received (%q)" .sc.Page.File.Dir -}}
+{{- end -}}
+
+{{- if ( not ( isset . "params" ) ) -}}
+  {{- errorf "No params given (%q)" .pc.File.Path -}}
+{{- end -}}
+
+{{- if ( not ( isset .params "attr" ) ) -}}
+  {{- errorf "No attr given (%q)" .pc.File.Path -}}
+{{- end -}}
+
+<!-- Variable assignment -->
+
+{{- $attr := .params.attr -}}
+{{- $attr_link := .params.attrlink -}}
+{{- $attr_licence := .params.attrlicence -}}
+{{- $attr_licence_link := .params.attrlicencelink -}}
+
+<!-- Rendering -->
+
+<p class="attr">
+    {{- with $attr_link -}}
+      <a href="{{ . }}" target="_blank" rel="noopener">
+    {{- end -}}
+      {{- $attr | safeHTML -}}
+    {{- if $attr_link -}}
+      </a>
+    {{- end -}}
+
+    {{- if $attr_licence }} (
+        {{- with ( index .sc.Site.Data.licences $attr_licence ) -}}
+          <a href="{{ . }}" target="_blank" rel="noopener">
+        {{- end -}}
+        {{- $attr_licence -}}
+        {{- with ( index .sc.Site.Data.licences $attr_licence ) -}}
+          </a>
+        {{- end -}}
+    )
+    {{- end -}}
+<p>

layouts/partials/media/picture.html

@@ -9,28 +9,30 @@
 {{- $src := . -}}
 {{- $isResizable := not ( in ( slice "svg" "gif" ) $src.MediaType.SubType ) -}}
 
+
 <!-- Rendering -->
 
-<picture 
-    class="picture"
-    itemprop="image"
->   
-    {{ if $isResizable -}}
+<picture
+  class="picture"
+  itemprop="image"
+>
+  {{ if $isResizable -}}
     <source srcset="{{- ($src.Resize "1200x webp").RelPermalink -}}" />
-    <source srcset="{{- ($src.Resize "800x png").RelPermalink -}}" media="(max-width: 800px)"/>
-    {{- end }}
-    <img 
-        class="u-photo picture__image"
-        {{ if not $isResizable -}}
-            src="{{- $src.RelPermalink -}}"
-        {{- else -}}
-            src="{{- ($src.Resize "1200x webp").RelPermalink -}}"
-            width="{{- $src.Width -}}"
-            height="{{- $src.Height -}}"
-        {{- end }}
-        {{ with $src.Params.alt -}}alt="{{- . -}}"{{- end }}
-        {{ with $src.Params.title -}}title="{{- . -}}" {{- end }}
-        loading="lazy"
-        role="img"
+    <source
+      srcset="{{- ($src.Resize "800x png").RelPermalink -}}"
+      media="(max-width: 800px)"
     />
+  {{- end }}
+  <img
+    class="u-photo picture__image"
+    {{ if not $isResizable -}}
+      src="{{- $src.RelPermalink -}}"
+    {{- else -}}
+      src="{{- ($src.Resize "1200x webp").RelPermalink -}}" width="{{- $src.Width -}}" height="{{- $src.Height -}}"
+    {{- end }}
+    {{ with $src.Params.alt -}}alt="{{- . -}}"{{- end }}
+    {{ with $src.Params.title -}}title="{{- . -}}"{{- end }}
+    loading="lazy"
+    role="img"
+  />
 </picture>