How to use the sweetalert2.noop function in sweetalert2

}]).then(function (result) {
    setContract('Identity', uuid);
    elem('details').style.display = "block";
    swal({
      title: 'Recovery Complete',
      type: 'success',
      text: 'Your account was recovered successfully.'
    }).catch(swal.noop);
  }, function (dismiss) {
    if(window.localMediaStream)

alertShow(opts) {
				swal(opts).catch(swal.noop);
			},
			confirmShow(opts) {

error => {
    if (error.response.status >= 500) {
      swal({
        type: 'error',
        title: 'Oops...',
        html: 'Something went wrong! Please try again.'
      })
    } else if (error.response.status === 401 && store.getters.authUser) {
      swal({
        title: 'Session Expired!',
        html: 'Please log in again to continue.',
        allowOutsideClick: false
      })
      .then(() => store.dispatch('logout'))
      .catch(swal.noop)
    }

    return Promise.reject(error)
  }
)

showLoginAlert() {
        swal({
            title: 'Login Required',
            text: "You need to log in to proceed with this action.",
            type: 'warning',
            showCancelButton: true,
            confirmButtonColor: '#3085d6',
            cancelButtonColor: '#d33',
            confirmButtonText: 'Log in'
        }).then(function () {
            const url = encodeURIComponent(window.location.href)
            window.location = "/Security/login?BackURL=" + url
        }).catch(swal.noop);
    }
}

function showQRPopup(title, json, show_scanner) {
  swal({
    title: title,
    html: getQRFromJson(json) + '<br>' +
      '<div class="ui form"><div class="field"><textarea rows="8">' +
      JSON.stringify(json, null, 2) +
      '</textarea></div></div>',
    showCancelButton: show_scanner,
    confirmButtonText: show_scanner ? 'Open Scanner' : 'Ok'
  }).then(function() {
    if(show_scanner)
      elem('scanner').click();
    resetUrl();
  }).catch(swal.noop);
}