{{/*
  Google Analytics 4 (gtag.js).

  Renders only in production builds (Netlify runs `hugo` with the production
  environment, so local `hugo server` and PR previews stay out of the data).
  The Measurement ID is read from `params.googleAnalytics` in config.yaml.
*/}}
{{ if hugo.IsProduction }}
{{ with .Site.Params.googleAnalytics }}
<!-- Google tag (gtag.js) -->
<script async src="https://www.googletagmanager.com/gtag/js?id={{ . }}"></script>
<script>
  window.dataLayer = window.dataLayer || [];
  function gtag(){dataLayer.push(arguments);}
  gtag('js', new Date());
  gtag('config', '{{ . }}');
</script>
{{ end }}
{{ end }}