babel.config.js

module.exports = {
    presets: [
      [
        '@babel/preset-react',
        {
          runtime: 'automatic',
        },
      ],
      ['@babel/preset-typescript'],
      [
        '@babel/preset-env',
        {
          useBuiltIns: 'usage',
          corejs: 3,
          loose: true,
          shippedProposals: true,
          targets: {
            browsers: [
              '>5%',
              'last 2 Chrome versions',
              'last 2 Edge versions',
              'last 2 Firefox versions',
              'last 2 Safari versions',
            ],
          },
        },
      ],
    ],
    plugins: [
      ['@babel/plugin-proposal-class-properties', { loose: true }],
      ['@babel/plugin-proposal-private-methods', { loose: true }],
      ['@babel/plugin-proposal-private-property-in-object', { loose: true }],
      '@babel/plugin-transform-runtime',
    ],
  };