fix: fix isPage detection for metatdata tags (#348)

layouts/partials/microformats/opengraph.html

@@ -1,4 +1,6 @@
-{{- if not (eq .Kind "home") }}
+{{ $isPage := or (and (ne .Type "posts") (in "section page" .Kind )) (and (eq .Type "posts") (eq .Kind "page")) }}
+
+{{- if ne .Kind "home" }}
   <meta
     property="og:title"
     {{ partial "utils/title" . | printf "content=%q" | safeHTMLAttr }}
@@ -13,7 +15,7 @@
 {{- with partial "utils/description" . }}
   <meta property="og:description" content="{{ . | plainify | htmlUnescape | chomp }}" />
 {{- end }}
-<meta property="og:type" content="{{ if .IsPage }}article{{ else }}website{{ end }}" />
+<meta property="og:type" content="{{ if $isPage }}article{{ else }}website{{ end }}" />
 <meta property="og:url" content="{{ .Permalink }}" />
 {{- with .Params.audio }}
   <meta property="og:audio" content="{{ . }}" />
@@ -43,7 +45,7 @@
   {{- end }}
 {{- end }}
 
-{{ if .IsPage -}}
+{{ if $isPage -}}
   {{- $iso8601 := "2006-01-02T15:04:05-07:00" -}}
   <meta property="article:section" content="{{ .Section | humanize | title }}" />
   {{- with .PublishDate }}

layouts/partials/microformats/schema.html

@@ -1,3 +1,4 @@
+{{ $isPage := or (and (ne .Type "posts") (in "section page" .Kind )) (and (eq .Type "posts") (eq .Kind "page")) }}
 {{- if eq .Kind "home" }}
   <script type="application/ld+json">
   {
@@ -17,7 +18,7 @@
       "inLanguage": {{ .Lang }}
   }
   </script>
-{{- else if or (and (not (eq .Type "posts")) (in "section page" .Kind )) (and (eq .Type "posts") (eq .Kind "page")) }}
+{{- else if $isPage }}
   <script type="application/ld+json">
   {
       "@context": "http://schema.org",

layouts/partials/utils/description.html

@@ -1,9 +1,10 @@
+{{ $isPage := or (and (ne .Type "posts") (in "section page" .Kind )) (and (eq .Type "posts") (eq .Kind "page")) }}
 {{ $description := "" }}
 
 {{ if .Description }}
   {{ $description = .Description }}
 {{ else }}
-  {{ if .IsPage }}
+  {{ if $isPage }}
     {{ $description = .Summary }}
   {{ else if .Site.Params.description }}
     {{ $description = .Site.Params.description }}