blowfish/layouts/shortcodes/carousel.html

{{ $id := delimit (slice "carousel" (partial "functions/uid.html" .) (now.UnixNano)) "-" }}
{{ $aspect := default "16-9" (.Get "aspectRatio") }}
{{ $interval := default "2000" (.Get "interval") }}

{{ $carouselItemCSS := printf 
`
  #%s [data-twe-carousel-item] {
  transition-duration: %sms !important;
}` $id $interval }}
{{ $carouselInitCSS := printf
`
#%s [data-twe-carousel-init] {
  --twe-carousel-interval: %s;
}` $id $interval }}
{{ $cssContent := printf "%s%s" $carouselItemCSS $carouselInitCSS }}
{{ $css := resources.FromString (printf "css/carousel-%s.css" $id) $cssContent | minify | resources.Fingerprint (.Site.Params.fingerprintAlgorithm | default "sha512") }}
<link rel="stylesheet" href="{{ $css.RelPermalink }}" integrity="{{ $css.Data.Integrity }}">

{{ $page := .Page.Resources }}
{{ $imagesTemp := .Get "images" }}
{{ $imagesTemp = strings.TrimPrefix "{" $imagesTemp }}
{{ $imagesTemp = strings.TrimSuffix "}" $imagesTemp }}
{{ $imagesTemp := strings.Split $imagesTemp "," }}
{{ $images := slice }}
{{ range $imagesTemp }}
  {{ if or (strings.HasPrefix . "http:") (strings.HasPrefix . "https:") }}
    {{ $images = $images | append (resources.GetRemote .) }}
  {{ else }}
    {{ $images = $images | append ($page.Match .) }}
  {{ end }}
{{ end }}


<div
  id="{{ $id }}"
  class="relative"
  data-twe-carousel-init
  data-twe-ride="carousel"
  data-twe-interval="{{ $interval }}">
  <div
    class="absolute right-0 bottom-0 left-0 z-2 mx-[15%] mb-10 flex list-none justify-center p-0"
    data-twe-carousel-indicators>
    {{ $num := 0 }}
    {{ range $images }}
      <button
        type="button"
        data-twe-target="#{{ $id }}"
        data-twe-slide-to="{{ $num }}"
        {{ if eq $num 0 }}data-twe-carousel-active aria-current="true"{{ end }}
        class="mx-[3px] box-content h-[3px] w-[30px] flex-initial cursor-pointer border-0 border-y-[10px] border-solid border-transparent bg-neutral bg-clip-padding p-0 -indent-[999px] opacity-50 transition-opacity duration-[600ms] ease-[cubic-bezier(0.25,0.1,0.25,1.0)] motion-reduce:transition-none"
        aria-label="Slide {{ $num }}"></button>
      {{ $num = add $num 1 }}
    {{ end }}
  </div>

  <div class="relative w-full overflow-hidden after:clear-both after:block after:content-['']">
    {{ range $index, $image := $images }}
      {{ $hiddenClass := cond (eq $index 0) "" "hidden" }}
      <div
        class="relative float-left -mr-[100%] {{ $hiddenClass }} w-full transition-transform ease-in-out motion-reduce:transition-none"
        data-twe-carousel-item
        {{ if eq $index 0 }}data-twe-carousel-active{{ end }}>
        <div class="ratio-{{ $aspect }} single_hero_background">
          <img
            src="{{ $image.RelPermalink }}"
            class="block absolute top-0 object-cover w-full h-full nozoom"
            alt="carousel image {{ add $index 1 }}">
        </div>
      </div>
    {{ end }}
  </div>

  <button
    class="absolute top-0 bottom-0 left-0 z-2 flex w-[15%] items-center justify-center border-0 bg-none p-0 text-center opacity-50 transition-opacity duration-150 ease-[cubic-bezier(0.25,0.1,0.25,1.0)] hover:no-underline hover:opacity-90 hover:outline-none focus:no-underline focus:opacity-90 focus:outline-none motion-reduce:transition-none"
    type="button"
    data-twe-target="#{{ $id }}"
    data-twe-slide="prev">
    <span class="inline-block h-8 w-8">
      <svg
        xmlns="http://www.w3.org/2000/svg"
        fill="none"
        viewBox="0 0 24 24"
        stroke-width="4.5"
        stroke="currentColor"
        class="h-6 w-6">
        <path stroke-linecap="round" stroke-linejoin="round" d="M15.75 19.5L8.25 12l7.5-7.5" />
      </svg>
    </span>
    <span
      class="!absolute !-m-px !h-px !w-px !overflow-hidden !whitespace-nowrap !border-0 !p-0 ![clip:rect(0,0,0,0)]"
      >Previous</span
    >
  </button>

  <button
    class="absolute top-0 bottom-0 right-0 z-[1] flex w-[15%] items-center justify-center border-0 bg-none p-0 text-center opacity-50 transition-opacity duration-150 ease-[cubic-bezier(0.25,0.1,0.25,1.0)] hover:no-underline hover:opacity-90 hover:outline-none focus:no-underline focus:opacity-90 focus:outline-none motion-reduce:transition-none"
    type="button"
    data-twe-target="#{{ $id }}"
    data-twe-slide="next">
    <span class="inline-block h-8 w-8">
      <svg
        xmlns="http://www.w3.org/2000/svg"
        fill="none"
        viewBox="0 0 24 24"
        stroke-width="4.5"
        stroke="currentColor"
        class="h-6 w-6">
        <path stroke-linecap="round" stroke-linejoin="round" d="M8.25 4.5l7.5 7.5-7.5 7.5" />
      </svg>
    </span>
    <span
      class="!absolute !-m-px !h-px !w-px !overflow-hidden !whitespace-nowrap !border-0 !p-0 ![clip:rect(0,0,0,0)]"
      >Next</span
    >
  </button>
</div>