{{- /* Upgrade portable GitHub-style alerts (> [!NOTE] etc., see
     STYLE.md "Callouts") into the site's .callout markup at build time.
     A <strong> line that is the sole content of the first paragraph is
     the optional custom title. Same conventions as docs.docker.com. */ -}}
{{- $styles := dict
  "note"      (dict "cls" "callout-info"    "label" "Note")
  "tip"       (dict "cls" "callout-tip"     "label" "Tip")
  "important" (dict "cls" "callout-info"    "label" "Important")
  "warning"   (dict "cls" "callout-warning" "label" "Warning")
  "caution"   (dict "cls" "callout-warning" "label" "Caution")
-}}
{{- $style := "" -}}
{{- if eq .Type "alert" }}{{ $style = index $styles .AlertType }}{{ end -}}
{{- with $style -}}
{{- $text := trim $.Text "\n" -}}
{{- $title := .label -}}
{{- $titleRE := `^<p><strong>(.+?)</strong></p>\n?` -}}
{{- with findRESubmatch $titleRE $text 1 -}}
  {{- $title = index (index . 0) 1 -}}
  {{- $text = replaceRE $titleRE "" $text -}}
{{- end -}}
<div class="callout {{ .cls }}">
  <div class="callout-title">{{ $title | safeHTML }}</div>
  {{ $text | safeHTML }}
</div>
{{- else -}}
<blockquote>
  {{ .Text }}
</blockquote>
{{- end -}}