{{- $breadcrumbScratch := newScratch -}}
{{- $crumbScratch := newScratch -}}
{{- $crumbScratch.Set "itemListElement" (slice) -}}
{{- $breadPos := 0 -}}
{{- range .Ancestors.Reverse -}}
  {{- $breadPos = (add $breadPos 1) -}}
  {{- $crumbScratch.Add "itemListElement" (dict
    "@type" "ListItem"
    "position" $breadPos
    "item" (dict
      "@id" .Permalink
      "name" .LinkTitle
    )
  ) -}}
{{- end -}}
{{- $breadPos = (add $breadPos 1) -}}
{{- $crumbScratch.Add "itemListElement" (dict
  "@type" "ListItem"
  "position" $breadPos
  "item" (dict
    "@id" .Permalink
    "name" .LinkTitle
  )
) -}}
{{- $breadcrumbScratch.SetInMap "breadcrumb" "@context" "https://schema.org" -}}
{{- $breadcrumbScratch.SetInMap "breadcrumb" "@type" "BreadcrumbList" -}}
{{- $breadcrumbScratch.SetInMap "breadcrumb" "itemListElement" ($crumbScratch.Get "itemListElement") -}}
{{- $jsonifiedBreadcrumb := $breadcrumbScratch.Get "breadcrumb" | jsonify (dict "indent" "  " "prefix" "    ") -}}
{{- return $jsonifiedBreadcrumb -}}