layouts/_markup/render-link.html

{{- $u := urls.Parse .Destination -}}
{{- $href := $u.String -}}
{{- if strings.HasPrefix $u.String "#" -}}
    {{- $href = printf "%s#%s" .PageInner.RelPermalink $u.Fragment -}}
{{- else if and $href (not $u.IsAbs) -}}
    {{- $path := strings.TrimPrefix "./" $u.Path -}}
    {{- with or ($.PageInner.GetPage $path) ($.PageInner.Resources.Get $path) (resources.Get $path) -}}
        {{- $href = .RelPermalink -}}
        {{- with $u.RawQuery -}}
            {{- $href = printf "%s?%s" $href . -}}
        {{- end -}}
        {{- with $u.Fragment -}}
            {{- $href = printf "%s#%s" $href . -}}
        {{- end -}}
    {{- end -}}
{{- end -}}
<a href="{{ .Destination | safeURL }}"
    {{- with .Title }} title="{{ . }}"{{ end -}}
    {{- if $u.IsAbs }} target="_blank" rel="external noopener noreferrer nofollow"{{ end }}>
    {{- with .Text }}{{ . }}{{ end -}}
</a>