refactor: split single header and meta components into partials

layouts/partials/single/main-header.html

@@ -0,0 +1,43 @@
+{{- /*
+  Displays the header information for an item.
+
+  @params pc  Page context
+  @params sc  Site context
+  */
+-}}
+
+
+<!-- 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 -}}
+
+
+<!-- Rendering -->
+
+<header class="site-content__header">
+  {{ if .pc.Params.series }}
+    {{ partial "single/main-header/series.html" ( dict "series" ( .pc.GetTerms "series" ) ) }}
+  {{ end }}
+
+  {{ partial "single/main-header/item-tile.html" ( dict "pc" .pc "sc" .sc ) }}
+
+  {{ partial "single/main-header/word-count.html" ( dict "wordCount" .pc.FuzzyWordCount ) }}
+
+  {{ partial "single/main-header/dates.html" ( dict "publishDate" .pc.PublishDate "lastmodDate" .pc.Lastmod ) }}
+
+  {{ partial "single/main-header/authors.html" ( dict "authors" .pc.Params.authors "site_author" .sc.Site.Params.Author ) }}
+
+  {{ partial "single/main-header/warnings.html" ( dict "pc" .pc ) }}
+
+  {{ with .pc.Params.notes }}
+    {{ partial "single/main-header/notes.html" ( dict "notes" . "sc" $.sc ) }}
+  {{ end }}
+
+  {{ partial "single/main-header/toc.html" ( dict "toc" .pc.TableOfContents "fileDir" .sc.Page.File.Dir "appendices" .pc.Params.appendices ) }}
+</header>