gcg-website/layouts/shortcodes/slider.html

{{ $dir := (.Get "dir") }}
{{ if $dir }}
<div class="card border-primary rounded-3">
  <div class="carousel carousel-dark slide mb-0" data-bs-ride="true" id='slider-{{ md5 $dir }}'>
    {{ $images := slice }}
    {{ range readDir (print "/static/" $dir) }}
      {{ if (lower .Name | findRE "\\.(gif|jpg|jpeg|tiff|png|bmp|webp|avif|jxl)") }}
        {{ $images = $images | append . }}
      {{ end }}
    {{ end }}
    <div class="carousel-indicators mb-0">
    {{ range $index, $image := $images }}
      <button type="button mb-5" data-bs-target="#slider-{{ md5 $dir }}" data-bs-slide-to="{{ $index }}" {{ if eq $index 0 }}class="active"{{ end }}></button>
    {{ end }}
    </div>
    <div class="carousel-inner mb-0">
      {{ range $index, $image := $images }}
        <div class="carousel-item mb-0 {{ if eq $index 0 }}active{{end}}">
          <img src='{{ print $.Site.BaseURL $dir "/" $image.Name | absURL }}' class="d-block w-100 mb-0 rounded-3">
        </div>
    {{ end }}
    </div>
    <button class="carousel-control-prev mb-0" type="button" data-bs-target="#slider-{{ md5 $dir }}" data-bs-slide="prev">
      <span class="carousel-control-prev-icon" aria-hidden="true"></span>
      <span class="visually-hidden">Zurück</span>
    </button>
    <button class="carousel-control-next mb-0" type="button" data-bs-target="#slider-{{ md5 $dir }}" data-bs-slide="next">
      <span class="carousel-control-next-icon" aria-hidden="true"></span>
      <span class="visually-hidden">Vor</span>
    </button>
  </div>
</div>
{{ end }}