safariBodyLock.js

const isSafari = navigator.userAgent.indexOf("Safari") !== -1;
const isIphone = navigator.userAgent.indexOf("iPhone") !== -1;
const isMobileIosSafari = isSafari && isIphone;
// modalOpen is a boolean assigned when modal is opened
if (modalOpen) {
  document.ontouchmove = (e) => e.preventDefault();
} else {
  document.ontouchmove = (e) => true;
}