Bootstrap/site/layouts/shortcodes/example.html

{{- /*
  Usage: `example args`

  `args` are all optional and can be one of the following:
    * id: the `div`'s id - default: ""
    * class: any extra class(es) to be added to the `div` - default: ""
    * show_preview: if the preview should be output in the HTML - default: `true`
    * show_markup: if the markup should be output in the HTML - default: `true`
*/ -}}

{{- $id := .Get "id" -}}
{{- $class := .Get "class" -}}
{{- $lang := .Get "lang" | default "html" -}}
{{- $show_preview := .Get "show_preview" | default true -}}
{{- $show_markup := .Get "show_markup" | default true -}}
{{- $input := .Inner -}}

{{- if eq $show_preview true -}}
<div{{ with $id }} id="{{ . }}"{{ end }} class="bd-example{{ with $class }} {{ . }}{{ end }}">
  {{- $input -}}
</div>
{{- end -}}

{{- if eq $show_markup true -}}
  {{- $content := replaceRE `<svg class="bd-placeholder-img(?:-lg)?(?: *?bd-placeholder-img-lg)? ?(.*?)".*?<\/svg>\n` `<img src="..." class="$1" alt="...">` $input -}}
  {{- $content = replaceRE ` (class=" *?")` "" $content -}}
  {{- highlight (trim $content "\n") $lang "" -}}
{{- end -}}