demarches-normaliennes/app/javascript/shared/track/matomo.js

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const { enabled, host, key } = gon.matomo || {};
if (enabled) {
window._paq = window._paq || [];
const jsUrl = `//${host}/piwik.js`;
const trackerUrl = `//${host}/piwik.php`;
//
// Configure Matomo analytics
//
window._paq.push(['setCookieDomain', '*.www.demarches-simplifiees.fr']);
window._paq.push(['setDomains', ['*.www.demarches-simplifiees.fr']]);
// Dont store any cookies or send any tracking request when the "Do Not Track" browser setting is enabled.
window._paq.push(['setDoNotTrack', true]);
// When enabling external link tracking, consider that it will also report links to attachments.
// Youll want to exclude links to attachments from being tracked for instance using Matomo's
// `setCustomRequestProcessing` callback.
// window._paq.push(['enableLinkTracking']);
window._paq.push(['trackPageView']);
// Load script from Matomo
window._paq.push(['setTrackerUrl', trackerUrl]);
window._paq.push(['setSiteId', key]);
const script = document.createElement('script');
const firstScript = document.getElementsByTagName('script')[0];
script.type = 'text/javascript';
script.id = 'matomo-js';
script.async = true;
script.src = jsUrl;
firstScript.parentNode.insertBefore(script, firstScript);
}