{{- $current := . -}}
{{- if reflect.IsMap . -}}
  {{- with index . "Page" -}}
    {{- $current = . -}}
  {{- end -}}
{{- end -}}

{{- with $current.Params.dossier -}}
  {{- $dossierID := index . 0 -}}
  {{- if $dossierID -}}
    {{- $allPages := site.RegularPages -}}
    {{- $filtered := where $allPages "Params.dossier" "intersect" (slice $dossierID) -}}
    {{- $sorted := sort $filtered "RelPermalink" "asc" -}}
    {{- $sorted = sort $sorted "Date" "asc" -}}
    {{- $sorted = sort $sorted "Weight" "asc" -}}
    {{- if gt (len $sorted) 1 -}}
<nav aria-label="Sommaire du dossier">
  <p><strong>{{ $dossierID }}</strong></p>
  <ol>
    {{- range $sorted -}}
    <li>
      {{- if eq .Permalink $current.Permalink -}}
      <strong>{{ .Title }}</strong>
      {{- else -}}
      <a href="{{ .RelPermalink }}">{{ .Title }}</a>
      {{- end -}}
    </li>
    {{- end -}}
  </ol>
</nav>
    {{- end -}}
  {{- end -}}
{{- end -}}