themen-hugo-35c3-reveal/layouts/shortcodes/slide.html

{{- .Scratch.Set "slides" slice -}}
{{- if len .Inner -}}
  {{- .Scratch.Add "slides" .Inner -}}
{{- end -}}
{{- $content := .Get "content" -}}
{{- if $content -}}
  {{- $lookup := split $content "." }}
  {{- $html := index .Page.Site.Data (index $lookup 0) (index $lookup 1) | markdownify -}}
  {{- $slides := split $html "<hr />" -}}
  {{- $scratch := .Scratch -}}
  {{- range $slides -}}
    {{- $scratch.Add "slides" . -}}
  {{- end -}}
{{- end -}}
{{- $attributes := slice "background-color" "background-image" "background-size" "background-position" "background-repeat" "transition" "transition-speed" "background-iframe" "background-interactive" "background-video" "background-video-loop" "background-video-muted" -}}
{{- $params := . -}}
{{- range .Scratch.Get "slides" }}
<section data-noprocess data-shortcode-slide
  {{- range $attribute := $attributes -}}
    {{- with $params.Get $attribute }} data-{{ $attribute | safeHTMLAttr }}="{{ . }}"{{ end -}}
  {{- end -}}>
  {{ . | safeHTML }}
</section>
{{- end -}}