hugo-book-theme/layouts/partials/docs/shared.html

{{/*These templates contains some more complex logic and shared between partials*/}}
{{ define "title" }}
  {{ if and .IsSection .File }}
    {{ $sections := split (trim .File.Dir "/") "/" }}
    {{ $title := index ($sections | last 1) 0 | humanize | title }}
    {{ default $title .Title }}
  {{ else if and .IsPage .File }}
    {{ $title := .File.BaseFileName | humanize | title }}
    {{ default $title .Title }}
  {{ else }}
    {{ .Title }}
  {{ end }}
{{ end }}

{{ define "hrefhack" }}
  {{ $attrEq := "$=" }}
  {{ $attrVal := .RelPermalink }}
  {{ if eq .RelPermalink "/" }}
    {{ $attrEq = "=" }}
    {{ $attrVal = .Permalink }}
  {{ end }}

  <style>
  nav ul a[href{{ $attrEq }}"{{ $attrVal }}"] {
      color: {{ default "#004ed0" .Site.Params.BookMenuBundleActiveLinkColor }};
  }
  </style>
{{ end }}

{{ define "jsmenu" }}
<script>
(function() {
  var menu = document.querySelector('aside.book-menu nav')
  addEventListener('beforeunload', function(event) {
    localStorage.setItem('menu.scrollTop', menu.scrollTop)
  });
  menu.scrollTop = localStorage.getItem('menu.scrollTop')
})()
</script>
{{ end }}