babel.config.js

module.exports = {
  plugins: [
    // TODO loose: which options is ignored in depencies ?
    ['@babel/plugin-proposal-private-methods', { loose: true }],
    ['@babel/plugin-proposal-private-property-in-object', { loose: true }],
  ],
  presets: [
    [
      '@babel/preset-env',
      {
        targets: {
          node: 'current',
        },
      },
    ],
    '@babel/preset-react',
  ],
};