Tag manager variable for consent mode video

gistfile1.txt

// this is the code used in the consent mode video at https://youtu.be/Z29FThETSug
// This example is for the 'necessary' cookie. 
// You'll enter this JS into three variables corresponding to 
// analytics, marketing and necessary

function () {
  const cookietype = 'necessary'; // change this to analytics, marketing or necessary

  // Function to get cookie by name
  function getCookie(name) {
    var nameEQ = name + "=";
    var ca = document.cookie.split(';');
    for(var i=0;i < ca.length;i++) {
        var c = ca[i];
        while (c.charAt(0)==' ') c = c.substring(1,c.length);
        if (c.indexOf(nameEQ) == 0) return c.substring(nameEQ.length,c.length);
    }
    return null;
  }

  // Decode and parse the cc_consent cookie
  var ccConsentRaw = getCookie('cc_cookie');
  if (ccConsentRaw) {
    try {
      var ccConsent = JSON.parse(ccConsentRaw);
      // Check if consent is granted
      if (ccConsent.level && ccConsent.level.includes(cookietype)) {
        return "granted";
      }
    } catch(e) {
      console.error('Error parsing cc_consent cookie:', e);
    }
  }
  // Return "denied" if necessary consent isn't found or the cookie doesn't exist
  return "denied";
}