babel.config.js

const {browserslist} = require('./package.json')

module.exports = {
  presets: [
    [
      '@babel/preset-env',
      {
        modules: false,
        useBuiltIns: 'usage',
        corejs: 3,
        targets: browserslist,
      },
    ],
    '@babel/preset-typescript',
    [
      '@babel/preset-react',
      {
        runtime: 'automatic',
      },
    ],
  ],
  plugins: [
    '@babel/plugin-transform-runtime',
    '@babel/plugin-proposal-class-properties',
    '@babel/plugin-proposal-export-default-from',
  ],
  env: {
    test: {
      presets: [
        [
          '@babel/preset-env',
          {
            useBuiltIns: 'usage',
            corejs: 3,
            targets: {node: 'current'},
          },
        ],
      ],
    },
  },
}