refactor: internal and external links

layouts/partials/single/main-body/links/link/page-resource-link.html

@@ -0,0 +1,37 @@
+{{- /*
+  Displays an internal link from a page resource
+
+  @params pc  Page context
+  @params sc  Site context
+  @params src Page resource source
+  */
+-}}
+
+
+<!-- Variable assignment -->
+{{- $src := $.sc.Page.Resources.GetMatch .src -}}
+
+
+<!-- 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 $src ) -}}
+  {{- errorf "No Page Resource found for src '%q' (%q).\n\n\tAvailable Page Resources are:\n\t\t%v" .src $.sc.Page.File.Path $.sc.Page.Resources -}}
+{{- end -}}
+
+
+<!-- Rendering -->
+
+<li>
+  <a href="{{ $src.RelPermalink }}"
+    >{{ .title | $.sc.RenderString | safeHTML }}
+    (<code>.{{- delimit ( last 1 ( split $src.RelPermalink "." ) ) "" -}}</code>)</a
+  >
+</li>