hugo/docs/content/en/functions/HasMenuCurrent.md

title	description	categories	keywords	menu	function	relatedFunctions
.HasMenuCurrent	Reports whether the given page object matches the page object associated with one of the child menu entries under the given menu entry in the given menu.	functions		docs parent functions	aliases returnType signatures bool PAGE.HasMenuCurrent MENU MENUENTRY	.HasMenuCurrent .IsMenuCurrent

If the page object associated with the menu entry is a section, this method also returns true for any descendant of that section.

{{ $currentPage := . }}
{{ range site.Menus.main }}
  {{ if $currentPage.IsMenuCurrent .Menu . }}
    <a class="active" aria-current="page" href="{{ .URL }}">{{ .Name }}</a>
  {{ else if $currentPage.HasMenuCurrent .Menu . }}
    <a class="ancestor" aria-current="true" href="{{ .URL }}">{{ .Name }}</a>
  {{ else }}
    <a href="{{ .URL }}">{{ .Name }}</a>
  {{ end }}
{{ end }}

See menu templates for a complete example.