{{ $url := .Destination | safeURL }}
{{ if or (strings.HasPrefix $url "http://") (strings.HasPrefix $url "https://") }}
  <a href="{{ $url }}" target="_blank" rel="noopener noreferrer">{{ .Text | safeHTML }}</a>
{{ else }}
  <a href="{{ $url }}">{{ .Text | safeHTML }}</a>
{{ end }}