Disable Google Analytics tracking via MonsterInsights (gtag version) when cookie consent in Cookie Notice plugin is rejected.

mi-cookie-notice-no-consent.js

(function () {
  /* Check for Cookie Notice plugin opt-out. */
  const cookieNotice = document.cookie
    .split("; ")
    .find((row) => row.startsWith("cookie_notice_accepted="));
  if (!cookieNotice) return; // If no cookie, bail.
  const consent = cookieNotice.split("=")[1];

  console.log(`\nCookie Notice consent: ${consent}\n\n`);

  // MI doesn't have a way to opt back in (revoke).
  // So, we'll manually say it's cool to track again.
  if (consent === "true") {
	  const disableStr = 'ga-disable-UA-1234567-1'; // CHANGE THIS TRACKING ID
	  document.cookie = disableStr + '=false; expires=Thu, 31 Dec 2099 23:59:59 UTC; path=/';
	  return;
  }

  /* If consent not given, tell MI not to track. */
  __gtagTrackerOptout();
})();