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Support Universal Analytics and Google Analytics 4 IDs simultaneously #1106

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Support Universal Analytics and Google Analytics 4 IDs simultaneously #1106

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ab258c2
Copy of Hugo 0.101.0 internal template
chalin Jul 15, 2022
e0830e0
Support multiple GA IDs
chalin Jul 15, 2022
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62 changes: 62 additions & 0 deletions layouts/_internal/google_analytics.html
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@@ -0,0 +1,62 @@
{{/* Override of https://github.com/gohugoio/hugo/blob/master/tpl/tplimpl/embedded/templates/google_analytics.html
At commit https://github.com/gohugoio/hugo/commit/ba16a14c6e884e309380610331aff78213f84751 */ -}}
{{- $pc := .Site.Config.Privacy.GoogleAnalytics -}}
{{- if not $pc.Disable }}{{ with .Site.GoogleAnalytics -}}
{{ $ga_ids := split . "," -}}
{{ if (or (hasPrefix . "G-") (gt (len $ga_ids) 1)) -}}
<script async src="https://www.googletagmanager.com/gtag/js?id={{ index $ga_ids 0 }}"></script>
<script>
{{ template "__ga_js_set_doNotTrack" $ }}
if (!doNotTrack) {
window.dataLayer = window.dataLayer || [];
function gtag(){dataLayer.push(arguments);}
gtag('js', new Date());
{{ range $ga_ids }}
{{ with trim . " " -}}
gtag('config', '{{ . }}'
{{- if and $pc.AnonymizeIP (hasPrefix . "UA-") -}}
, { 'anonymize_ip': {{- $pc.AnonymizeIP -}} }
{{- end -}}
);
{{- end }}
{{- end }}
}
</script>
{{ else if hasPrefix . "UA-" }}
<script type="application/javascript">
{{ template "__ga_js_set_doNotTrack" $ }}
if (!doNotTrack) {
(function(i,s,o,g,r,a,m){i['GoogleAnalyticsObject']=r;i[r]=i[r]||function(){
(i[r].q=i[r].q||[]).push(arguments)},i[r].l=1*new Date();a=s.createElement(o),
m=s.getElementsByTagName(o)[0];a.async=1;a.src=g;m.parentNode.insertBefore(a,m)
})(window,document,'script','https://www.google-analytics.com/analytics.js','ga');
{{- if $pc.UseSessionStorage }}
if (window.sessionStorage) {
var GA_SESSION_STORAGE_KEY = 'ga:clientId';
ga('create', '{{ . }}', {
'storage': 'none',
'clientId': sessionStorage.getItem(GA_SESSION_STORAGE_KEY)
});
ga(function(tracker) {
sessionStorage.setItem(GA_SESSION_STORAGE_KEY, tracker.get('clientId'));
});
}
{{ else }}
ga('create', '{{ . }}', 'auto');
{{ end -}}
{{ if $pc.AnonymizeIP }}ga('set', 'anonymizeIp', true);{{ end }}
ga('send', 'pageview');
}
</script>
{{- end -}}
{{- end }}{{ end -}}

{{- define "__ga_js_set_doNotTrack" -}}{{/* This is also used in the async version. */}}
{{- $pc := .Site.Config.Privacy.GoogleAnalytics -}}
{{- if not $pc.RespectDoNotTrack -}}
var doNotTrack = false;
{{- else -}}
var dnt = (navigator.doNotTrack || window.doNotTrack || navigator.msDoNotTrack);
var doNotTrack = (dnt == "1" || dnt == "yes");
{{- end -}}
{{- end -}}
3 changes: 2 additions & 1 deletion layouts/partials/head.html
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Expand Up @@ -46,7 +46,8 @@

{{/* To comply with GDPR, cookie consent scripts places in head-end must execute before Google Analytics is enabled */ -}}
{{ if hugo.IsProduction -}}
{{ if hasPrefix .Site.GoogleAnalytics "G-" -}}
{{ if (or (hasPrefix .Site.GoogleAnalytics "G-")
(in .Site.GoogleAnalytics ",")) -}}
{{ template "_internal/google_analytics.html" . -}}
{{ else -}}
{{ template "_internal/google_analytics_async.html" . -}}
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