.babelrc.js

module.exports = {
  presets: [
    ['@babel/preset-env', {
      targets: {
        node: 'current',
      },
      // debug: true,
      // eslint-disable-next-line max-len
      // https://github.com/zloirock/core-js/blob/master/docs/2019-03-19-core-js-3-babel-and-a-look-into-the-future.md#babelpreset-env
      corejs: '3.6.4',
      useBuiltIns: 'usage',
      shippedProposals: true,
      bugfixes: true,
    }],
  ],
  plugins: [
    // Stage 0
    '@babel/plugin-proposal-function-bind',

    // Stage 1
    '@babel/plugin-proposal-export-default-from',
    '@babel/plugin-proposal-logical-assignment-operators',
    ['@babel/plugin-proposal-pipeline-operator', { proposal: 'minimal' }],
    '@babel/plugin-proposal-do-expressions',

    // Stage 2
    ['@babel/plugin-proposal-decorators', { legacy: true }],
    '@babel/plugin-proposal-function-sent',
    '@babel/plugin-proposal-export-namespace-from',
    '@babel/plugin-proposal-numeric-separator',
    '@babel/plugin-proposal-throw-expressions',

    // Stage 3
    '@babel/plugin-syntax-dynamic-import',
    '@babel/plugin-syntax-import-meta',
    ['@babel/plugin-proposal-class-properties', { loose: false }],
    '@babel/plugin-proposal-json-strings',
  ],
}