{{ $hasHeaders := gt (len (findRE "<h\\d.*?>(.|\n)*?</h\\d>" .Content)) 0 }} {{ if (or (and (not $.Site.Data.config.enableToc) .Params.enableToc) (and $.Site.Data.config.enableToc (ne .Params.enableToc false) $hasHeaders)) }} <aside class="mainTOC"> <details {{ if $.Site.Data.config.openToc }}open {{ end }}> <summary>{{ i18n "toc" }}</summary> {{ .TableOfContents }} </details> </aside> {{end}}