{{/* only parse and append analytics script on production site */}}
{{- $includeProdScripts := eq hugo.Environment "production" -}}

{{- $darkmode := resources.Get "js/dark-mode.js" | resources.ExecuteAsTemplate "js/dark-mode.js" . -}}
{{- $twemoji := resources.Get "js/vendor/twemoji.js" | resources.ExecuteAsTemplate "js/vendor/twemoji.js" . -}}

{{- $bundle := slice $darkmode $twemoji -}}

{{- if $includeProdScripts }}
  {{- $fathom := resources.Get "js/fathom.js" | resources.ExecuteAsTemplate "js/fathom.js" . }}
  {{- $bundle = slice $darkmode $twemoji $fathom }}
{{- end }}

{{- $js := $bundle | resources.Concat "/js/app.js" -}}
<script async defer src="{{ $js.Permalink }}"></script>