is-logged-in.js

/**
 * @param {Function} done Optional callback
 * @returns {boolean} true if logged in, false otherwise
 */
export function isLoggedIn(done) {
  // Contact always exists when logged in
  const isLogged =
    window.Store.Contact && window.Store.Contact.checksum !== undefined;

  if (done !== undefined) done(isLogged);
  return isLogged;
}