Read OneTrust Cookies

one-trust.ts

const cookie =
  "'WATRC=2D0FDD6D-6F29-49E6-AEE0-42080FAA8120; _ga_6NJJBYQCBV=GS1.1.1658756504.1.1.1658756505.59; _gcl_au=1.1.2054335917.1659447846; _ga_Y9TTEFYVZC=GS1.1.1662476698.1.1.1662478229.0.0.0; _ga_TW3TH3JW1S=GS1.1.1662477516.1.1.1662478229.0.0.0; _ga_M0YDYEWKG9=GS1.1.1662477395.1.1.1662478229.0.0.0; _ga_MF7T4Q7V2G=GS1.1.1662477370.1.1.1662478229.0.0.0; _ga_ZE6FQL0YJS=GS1.1.1663668306.2.1.1663668449.0.0.0; _ga=GA1.2.402987297.1658756505; _gid=GA1.2.534896851.1663742869; WANV=AA2512FF-2F73-448D-8675-6A3DA6184C9F; OptanonAlertBoxClosed=2022-09-22T07:22:21.804Z; OptanonConsent=isGpcEnabled=0&datestamp=Thu+Sep+22+2022+09%3A22%3A22+GMT%2B0200+(Mitteleurop%C3%A4ische+Sommerzeit)&version=6.36.0&isIABGlobal=false&hosts=&consentId=f51c839a-cd58-489e-9f9c-e8a6e3931a0d&interactionCount=8&landingPath=NotLandingPage&groups=C0001%3A1%2CC0002%3A0%2CC0004%3A0&geolocation=%3B&AwaitingReconsent=false'";

function getOneTrustGrants(cookies) {
  const escapedCookies = decodeURIComponent(cookies);
  const result = escapedCookies.split('; ').map((cookie) => {
    const [prop, ...value] = cookie.split('=');
    return [prop, value.join('=')];
  });
  const oneTrustCookie = Object.fromEntries(result)['OptanonConsent'];
  const oneTrustProps = Object.fromEntries(
    oneTrustCookie.split('&').map((prop) => prop.split('='))
  );
  console.log(oneTrustProps['groups'].split(','));
  const grants = oneTrustProps['groups'].split(',').reduce((acc, group) => {
    const [groupName, isActivated] = group.split(':');
    acc[groupName] = isActivated === '1'; 
    return acc;
  }, {});
  return grants;
}

console.log(getOneTrustGrants(cookie));