{{ $icon := resources.Get "external-link.svg" }}

<a class="ext-link" href="{{ .Destination | safeURL }}" {{ if strings.HasPrefix .Destination "http" }}
target="_blank"{{ end }}>{{ .PlainText }}{{ if strings.HasPrefix .Destination "http" }}<img aria-hidden="true" alt="External link" width="16" height="16" src="{{ $icon.Permalink }}"/>{{- end -}}</a>