babel.config.js

module.exports = {
  presets: [
    [
      '@babel/typescript'
    ],
    [
      '@babel/preset-env'
    ],
    [
      '@babel/preset-react'
    ]
  ],
  plugins: [
    '@babel/plugin-proposal-class-properties',
    '@babel/plugin-proposal-nullish-coalescing-operator',
    '@babel/plugin-syntax-nullish-coalescing-operator',
    '@babel/plugin-proposal-logical-assignment-operators'
  ]
};