{{ $url := .Get "url" }}
{{ $icon := .Get "icon" }} <!-- Fixed variable assignment for icon -->
<a
  href="{{ $url | absURL }}"
  target="_blank"
  rel="noopener noreferrer"
  {{ if $icon }}aria-label="{{ $icon }}"{{ end }}
  >{{ if $icon }}<i class="icon-{{ $icon }}"></i>{{ end }}
</a>