{{ template "section-tree-nav" (dict "ctx" . "section" .) }}
{{ define "section-tree-nav" }}
{{ $pages := (union .section.Pages .section.Sections) }}
{{ with $.ctx.Site.Params.language_alternatives }}
{{ range . }}
{{ with (where $.section.Translations ".Lang" . ) }}
{{ $p := index . 0 }}
{{ $pages = $pages | lang.Merge (union $p.Pages $p.Sections) }}
{{ end }}
{{ end }}
{{ end }}
{{ $sections := where $pages.ByWeight ".Params.toc_hide" "!=" true }}
{{ range $sections }}
{{ if .IsPage }}
{{ template "section-tree-nav-page" (dict "ctx" $.ctx "page" .) }}
{{ else }}
{{ template "section-tree-nav-section" (dict "ctx" $.ctx "section" .) }}
{{ end }}
{{ end }}
{{ end }}
{{ define "section-tree-nav-section" }}
{{ if ge (len .section.Content) 10 }}
{{/* The section page has content, so link to it. */}}
{{ $isForeignLanguage := (ne .section.Lang $.ctx.Lang)}}
{{ end }}
{{ template "section-tree-nav" . }}
{{ end }}
{{ define "section-tree-nav-page" }}
{{ $isForeignLanguage := (ne .page.Lang $.ctx.Lang)}}
{{ end }}