website/layouts/shortcodes/glossary_definition.html

{{- $id := .Get "term_id" -}}
{{- $length := .Get "length" -}}
{{- $prepend := .Get "prepend" }}
{{- $glossaryBundle := site.GetPage "page" "docs/reference/glossary" -}}
{{- $glossaryItems :=  $glossaryBundle.Resources.ByType "page" -}}
{{- $term_info := $glossaryItems.GetMatch (printf "%s*" $id ) -}}
{{- if not $term_info -}}
{{- errorf "[%s] %q: %q is not a valid glossary term_id, see ./docs/reference/glossary/* for a full list" site.Language.Lang .Page.Path $id -}}
{{- end -}}
{{- with $term_info -}}
{{- if (strings.Contains "short" $length) -}}
	{{- with .Summary -}}
	{{- if $prepend }}{{- replace . "<p>" (printf "<P>%s %s" $prepend .) -}}{{ else }}{{- . -}}{{ end -}}
	{{- else -}}
	{{- partial "templates/errorthrower.html" (dict "block" "summary" "purpose" .purpose "describes the key term in greater depth, supplementing the short_description") . -}}
	{{- end -}}
{{- end -}}
{{- if (strings.Contains "all|long" $length) -}}
{{- with .Content -}}
{{- if $prepend }}
{{- $firstPara := index (findRE "(?s)<p>.*?</p>" . 1) 0 -}}
{{- $firstPara := $firstPara | strings.TrimSuffix "</p>" | strings.TrimPrefix "<p>" -}}
{{- $first := slicestr $firstPara 0 1 | lower }}
{{- $prepended := printf "<p>%s %s%s</p>"  $prepend $first (slicestr $firstPara 1) -}}
{{- replace . $firstPara $prepended | safeHTML -}}{{ else }}{{- . -}}{{ end -}}
{{- end -}}
{{- end -}}
{{- end -}}