2025/layouts/partials/head/json-ld.html

{{- $page := . -}}
{{- $data := dict -}}
{{- if reflect.IsMap . -}}
  {{- with index . "Page" -}}
    {{- $page = . -}}
  {{- end -}}
  {{- with index . "Data" -}}
    {{- $data = . -}}
  {{- end -}}
{{- end -}}
{{- if eq (len $data) 0 -}}
  {{- $data = partialCached "head/data.html" $page $page.RelPermalink -}}
{{- end -}}
{{- $noindex := index $data "noindex" -}}
{{- if not $noindex -}}
  {{- $language := index $data "localeCode" -}}
  {{- $description := index $data "description" -}}
  {{- $pageClassification := index $data "pageClassification" -}}
  {{- $websiteID := printf "%s#website" $page.Site.Home.Permalink -}}
  {{- $author := partial "seo/person.html" $page -}}
  {{- $authorID := index $author "@id" -}}
  {{- $website := dict
    "@type" "WebSite"
    "@id" $websiteID
    "url" $page.Site.Home.Permalink
    "name" $page.Site.Title
    "inLanguage" $language
    "author" (dict "@id" $authorID)
  -}}
  {{- with $page.Site.Params.description -}}
    {{- $website = merge $website (dict "description" .) -}}
  {{- end -}}
  {{- with $page.Site.Params.search -}}
    {{- with .action -}}
      {{- $searchURL := . | absURL -}}
      {{- $searchParam := $page.Site.Params.search.param | default "q" -}}
      {{- $website = merge $website (dict
        "potentialAction" (dict
          "@type" "SearchAction"
          "target" (printf "%s?%s={search_term_string}" $searchURL $searchParam)
          "query-input" "required name=search_term_string"
        )
      ) -}}
    {{- end -}}
  {{- end -}}

  {{- $graph := slice $website $author -}}

  {{- if not $page.IsHome -}}
    {{- $breadcrumbPages := partial "seo/breadcrumb-pages.html" $page -}}
    {{- if gt (len $breadcrumbPages) 1 -}}
      {{- $items := slice -}}
      {{- range $index, $item := $breadcrumbPages -}}
        {{- $items = $items | append (dict
          "@type" "ListItem"
          "position" (add $index 1)
          "name" (default $item.Title $item.LinkTitle)
          "item" $item.Permalink
        ) -}}
      {{- end -}}
      {{- $graph = $graph | append (dict
        "@type" "BreadcrumbList"
        "@id" (printf "%s#breadcrumb" $page.Permalink)
        "itemListElement" $items
      ) -}}
    {{- end -}}
  {{- end -}}

  {{- if $page.IsPage -}}
    {{- $image := partial "seo/image.html" (dict "Page" $page "Data" $data) -}}
    {{- $pageSchema := dict
      "@type" (index $pageClassification "jsonLdType")
      "@id" (printf "%s#webpage" $page.Permalink)
      "url" $page.Permalink
      "name" $page.Title
      "inLanguage" $language
      "isPartOf" (dict "@id" $websiteID)
      "author" (dict "@id" $authorID)
    -}}
    {{- with $description -}}
      {{- $pageSchema = merge $pageSchema (dict "description" .) -}}
    {{- end -}}
    {{- with $image -}}
      {{- $pageSchema = merge $pageSchema (dict "image" .) -}}
    {{- end -}}
    {{- with $page.Date -}}
      {{- $pageSchema = merge $pageSchema (dict "datePublished" (.Format "2006-01-02T15:04:05Z07:00")) -}}
    {{- end -}}
    {{- with $page.Lastmod -}}
      {{- $pageSchema = merge $pageSchema (dict "dateModified" (.Format "2006-01-02T15:04:05Z07:00")) -}}
    {{- end -}}

    {{- if eq (index $pageClassification "jsonLdType") "BlogPosting" -}}
      {{- $pageSchema = merge $pageSchema (dict
        "headline" $page.Title
        "mainEntityOfPage" $page.Permalink
      ) -}}
      {{- with $page.CurrentSection -}}
        {{- if ne .RelPermalink "/" -}}
          {{- $pageSchema = merge $pageSchema (dict "articleSection" .Title) -}}
        {{- end -}}
      {{- end -}}
      {{- $keywords := slice -}}
      {{- $taxonomyNames := slice -}}
      {{- range $taxonomy, $_ := $page.Site.Taxonomies -}}
        {{- $taxonomyNames = $taxonomyNames | append $taxonomy -}}
      {{- end -}}
      {{- range sort $taxonomyNames -}}
        {{- $taxonomy := . -}}
        {{- with $page.GetTerms $taxonomy -}}
          {{- range sort . "LinkTitle" -}}
            {{- $keyword := strings.TrimSpace (printf "%v" (default .Title .LinkTitle)) -}}
            {{- if ne $keyword "" -}}
              {{- $keywords = $keywords | append $keyword -}}
            {{- end -}}
          {{- end -}}
        {{- end -}}
      {{- end -}}
      {{- $keywords = uniq $keywords -}}
      {{- if gt (len $keywords) 0 -}}
        {{- $pageSchema = merge $pageSchema (dict "keywords" $keywords) -}}
      {{- end -}}
    {{- else if eq (index $pageClassification "jsonLdType") "Review" -}}
      {{- $itemReviewed := dict
        "@type" (index $pageClassification "reviewedType")
        "name" $page.Title
      -}}
      {{- with $page.Params.wikidata_id -}}
        {{- $itemReviewed = merge $itemReviewed (dict "sameAs" (printf "https://www.wikidata.org/wiki/%s" .)) -}}
      {{- end -}}
      {{- $pageSchema = merge $pageSchema (dict
        "itemReviewed" $itemReviewed
        "mainEntityOfPage" $page.Permalink
      ) -}}
    {{- else if eq (index $pageClassification "jsonLdType") "Article" -}}
      {{- $pageSchema = merge $pageSchema (dict
        "headline" $page.Title
        "mainEntityOfPage" $page.Permalink
      ) -}}
    {{- end -}}

    {{- $graph = $graph | append $pageSchema -}}
  {{- else if not $page.IsHome -}}
    {{- $pageSchema := dict
      "@type" (index $pageClassification "jsonLdType")
      "@id" (printf "%s#collection" $page.Permalink)
      "url" $page.Permalink
      "name" $page.Title
      "inLanguage" $language
      "isPartOf" (dict "@id" $websiteID)
    -}}
    {{- with $description -}}
      {{- $pageSchema = merge $pageSchema (dict "description" .) -}}
    {{- end -}}
    {{- $graph = $graph | append $pageSchema -}}
  {{- end -}}

  {{- $payload := dict
    "@context" "https://schema.org"
    "@graph" $graph
  -}}
<script type="application/ld+json">{{ $payload | jsonify | safeJS }}</script>
{{- end -}}