babel.config.js

module.exports = function (api) {
  api.cache(false)
  const presets = [
    [
      '@babel/preset-env',
      {
        useBuiltIns: 'entry',
        corejs: { version: '3.3' },
        // debug: true
      },
    ],
  ]

  const plugins = [
    [
      'transform-react-jsx',
      {
        pragma: 'm',
      },
    ],
    '@babel/plugin-proposal-class-properties',
    '@babel/plugin-transform-runtime',
  ]
  return {
    presets,
    plugins,
  }
}