babel.config.js

module.exports = {
  presets: [
    [
      "@babel/preset-env",
      {
        targets: {
          node: "current"
        }
      }
    ],
    "@babel/preset-react",
    "@babel/preset-typescript"
  ],
  plugins: [
    [
      "@babel/plugin-proposal-class-properties",
      { loose: true }
    ]
  ]
};