storybook/examples/rax-kitchen-sink/babel.config.js

module.exports = {
  presets: [
    ['@babel/preset-env', { shippedProposals: true, useBuiltIns: 'usage', corejs: '3' }],
    [
      '@babel/preset-react',
      {
        pragma: 'createElement',
      },
    ],
  ],
};