{{- if not (.Page.Store.Get "asciinema") -}}
  {{- /* Include asciinema player only first time */ -}}
  <link rel="stylesheet" href="{{ "asciinema/asciinema-player.css" | relURL }}" />
  {{- /* remove whitespaces */ -}}
  <script defer src="{{ "asciinema/asciinema-player.min.js" | relURL }}"></script>
  {{- /* remove whitespaces */ -}}
  <script defer src="{{ "asciinema/asciinema-auto.js" | relURL }}"></script>
  {{- .Page.Store.Set "asciinema" true -}}
{{- end -}}
{{- $href := (partial "docs/links/portable-image" (dict "Page" .Page "Destination" (.Get "cast"))) -}}
{{- .Store.Set "asciinema" .Params -}}
{{- .Store.DeleteInMap "asciinema" "cast" -}}
{{- $attributes := partial "docs/text/mapper" (dict
  "attributes" (dict)
  "set" (dict
    "id" (printf "asciinema-%d" .Ordinal)
    "x-data-cast" $href
    "x-data-opts" (.Store.Get "asciinema" | jsonify)
  )
  "merge" (dict
    "class" (slice "asciinema" "book-asciinema")
  )
) -}}
<div {{ partial "docs/html-attrs" $attributes | safeHTMLAttr }}></div>