{{ $r := .r }}
{{ $attr := .attributes | default dict }}

{{ if hugo.IsDevelopment }}
  <link
    rel="stylesheet"
    href="{{ $r.RelPermalink }}"
    {{ template `render-attributes` $attr }}>
{{ else }}
  {{ with $r | minify | fingerprint }}
    <link
      rel="stylesheet"
      href="{{ .RelPermalink }}"
      integrity="{{ .Data.Integrity }}"
      crossorigin="anonymous"
      {{ template `render-attributes` $attr }}>
  {{ end }}
{{ end }}

{{ define "render-attributes" }}
  {{- range $k, $v := . -}}
    {{- if $v -}}
      {{- printf ` %s=%q` $k $v | safeHTMLAttr -}}
    {{- else -}}
      {{- printf ` %s` $k | safeHTMLAttr -}}
    {{- end -}}
  {{- end -}}
{{ end }}