Using SweetAlert2 with Webpack

example.js

var sweetAlert = require('sweetalert2');
sweetAlert('Hello World!', 'It works!', 'success');

webpack.config.js

// remember to install loaders and sweetalert2:
// npm i -D imports-loader exports-loader
// npm i -S sweetalert2

// ...
loaders: [
  {
    test: require.resolve('sweetalert2'),
    loader: 'imports?window=>{}!exports?window.swal'
  }
]
// ...