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theme: revised schema.org breadcrumb navigation #329

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to get rid of HTML validation errors
and remove descending positions
This commit is contained in:
Sören Weber 2022-10-03 00:07:28 +02:00
parent c0f1f7fa60
commit 583dd0c97a
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GPG key ID: BEC6D55545451B6D
1 changed files with 25 additions and 11 deletions
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34
layouts/partials/header.html
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@ -91,8 +91,7 @@
{{- $showBreadcrumb := (and (not .Params.disableBreadcrumb) (not .Site.Params.disableBreadcrumb)) }} {{- $showBreadcrumb := (and (not .Params.disableBreadcrumb) (not .Site.Params.disableBreadcrumb)) }}
{{- if $showBreadcrumb }} {{- if $showBreadcrumb }}
<ol class="links" itemscope itemtype="http://schema.org/BreadcrumbList"> <ol class="links" itemscope itemtype="http://schema.org/BreadcrumbList">
<meta itemprop="itemListOrder" content="Descending"> {{- template "breadcrumb" dict "page" . }}
{{- template "breadcrumb" dict "page" . "depth" 0 }}
</ol> </ol>
{{- else }} {{- else }}
<span class="links"> <span class="links">
@ -111,16 +110,31 @@
{{- partial "tags.html" . }} {{- partial "tags.html" . }}
</div> </div>
{{- define "breadcrumb" }} {{- define "breadcrumb" }}
{{- $parent := .page.Parent }} {{- $breadcrumb := slice }}
{{- $ispublished := gt (int (len .page.Permalink)) 0 }} {{- $page := .page }}
{{- $depth := .depth }} {{- $breadcrumb = $breadcrumb | append $page }}
{{- range seq (len .page.Site.Home.Pages) }}
{{- $page = $page.Parent }}
{{- if $page }}
{{- $breadcrumb = $breadcrumb | append $page }}
{{- else }}
{{- break }}
{{- end }}
{{- end }}
{{- $len := len $breadcrumb -}}
{{- $breadcrumbReversed := slice }}
{{- range seq $len }}
{{- $breadcrumbReversed = $breadcrumbReversed | append (index $breadcrumb (sub $len .)) }}
{{- end }}
{{- $remaining := $len }}
{{- $depth := 0 }}
{{- range $i, $e := $breadcrumbReversed }}
{{- $page := $e }}
{{- $ispublished := gt (int (len $page.Permalink)) 0 }}
{{- $remaining = sub $remaining 1 }}
{{- if $ispublished }} {{- if $ispublished }}
{{- $depth = add $depth 1 }} {{- $depth = add $depth 1 }}
<li itemscope itemtype="https://schema.org/ListItem" itemprop="itemListElement">{{ if $remaining }}<a itemprop="item" href="{{ $page.RelPermalink }}">{{end}}<span itemprop="name">{{ if $page.Title }}{{ $page.Title }}{{ else }}{{ $page.Site.Title }}{{ end }}</span>{{ if $remaining }}</a>{{ end }}<meta itemprop="position" content="{{ $depth }}"></li>{{ if $remaining }} > {{ end }}
{{- end }} {{- end }}
{{- if $parent }}
{{- template "breadcrumb" dict "page" $parent "depth" $depth }}
{{- end }}
{{- if $ispublished }}
<li itemscope itemtype="https://schema.org/ListItem" itemprop="itemListElement"><meta itemprop="position" content="{{ $depth }}"><a itemprop="item" href="{{ .page.RelPermalink }}"{{if not .depth}} aria-disabled="true"{{end}}><span itemprop="name">{{if .page.Title}}{{ .page.Title }}{{else}}{{ .page.Site.Title }}{{end}}</span></a>{{ if .depth }} > {{ end }}</li>
{{- end }} {{- end }}
{{- end }} {{- end }}