Chris@17: /**
Chris@17:  * Checks if a user is logged in.
Chris@17:  *
Chris@17:  * @param {function} callback
Chris@17:  *   A callback which will be called, when the login status has been checked.
Chris@17:  * @return {object}
Chris@17:  *   The drupalUserIsLoggedIn command.
Chris@17:  */
Chris@17: exports.command = function drupalUserIsLoggedIn(callback) {
Chris@17:   if (typeof callback === 'function') {
Chris@17:     this.getCookies(cookies => {
Chris@17:       const sessionExists = cookies.value.some(cookie =>
Chris@17:         cookie.name.match(/^SESS/),
Chris@17:       );
Chris@17: 
Chris@17:       callback.call(this, sessionExists);
Chris@17:     });
Chris@17:   }
Chris@17: 
Chris@17:   return this;
Chris@17: };