JSFiddle - React, Tailwind, and code Playground

HTML

<script src="https://cdnjs.cloudflare.com/ajax/libs/limonte-sweetalert2/5.0.7/sweetalert2.js"></script>
<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/limonte-sweetalert2/5.0.7/sweetalert2.css">

JavaScript

// inputOptions can be an object or Promise
var inputOptions = new Promise(function(resolve) {
    resolve({
      '#ff0000': 'Red',
      '#00ff00': 'Green',
      '#0000ff': 'Blue'
    });
});

swal({
  title: 'Select color',
  input: 'radio',
  inputOptions: inputOptions,
  inputValidator: function(result) {
    return new Promise(function(resolve, reject) {
      if (result) {
        resolve();
      } else {
        reject('You need to select something!');
      }
    });
  }
}).then(function(result) {
  swal({
    type: 'success',
    html: 'You selected: ' + result
  });
})

$("input[name='swal2-radio']").on("click", function() {
	var id = $('input[name=swal2-radio]:checked').val();
	console.log('id: ' + id);
});