{{ $active := .active | default "posts" }}
{{ $tabs := slice
  (dict "id" "posts" "label" "Posts" "href" ("/" | relURL) "pageTitle" site.Title)
  (dict "id" "projects" "label" "Projects" "href" ("/projects/" | relURL) "pageTitle" (printf "Projects · %s" site.Title))
  (dict "id" "publications" "label" "Publications" "href" ("/publications/" | relURL) "pageTitle" (printf "Publications · %s" site.Title))
  (dict "id" "contact" "label" "Contact" "href" ("/contact/" | relURL) "pageTitle" (printf "Contact · %s" site.Title))
}}

<div class="file-index" data-file-index>
  <nav class="file-tabs" aria-label="Index views">
    {{ range $tabs }}
      <a
        class="file-tab{{ if eq $active .id }} active{{ end }}"
        href="{{ .href }}"
        data-file-tab="{{ .id }}"
        data-page-title="{{ .pageTitle }}"
        aria-label="Show {{ .label }}"
        title="Show {{ .label }}"
        {{ if eq $active .id }}aria-current="page"{{ end }}
      >{{ .label }}</a>
    {{ end }}
  </nav>

  <p class="sr-only" data-file-announcer aria-live="polite"></p>
  <div class="file-panel-host" data-file-panel-host>
    <section class="file-panel" data-file-panel="posts" aria-labelledby="posts-heading"{{ if ne $active "posts" }} hidden{{ end }}>
      <h2 class="sr-only" id="posts-heading">Posts</h2>
      {{ partial "post-list.html" (where site.RegularPages "Section" "posts") }}
    </section>

    <section class="file-panel" data-file-panel="projects" aria-labelledby="projects-heading"{{ if ne $active "projects" }} hidden{{ end }}>
      <h2 class="sr-only" id="projects-heading">Projects</h2>
      {{ partial "page-list.html" (where site.RegularPages "Section" "projects") }}
    </section>

    <section class="file-panel" data-file-panel="publications" aria-labelledby="publications-heading"{{ if ne $active "publications" }} hidden{{ end }}>
      <h2 class="sr-only" id="publications-heading">Publications</h2>
      {{ partial "publication-list.html" hugo.Data.publications }}
    </section>

    <section class="file-panel" data-file-panel="contact" aria-labelledby="contact-heading"{{ if ne $active "contact" }} hidden{{ end }}>
      <h2 class="sr-only" id="contact-heading">Contact</h2>
      {{ partial "contact-section.html" . }}
    </section>
  </div>
</div>