Babel typeof recursion error with require and export

babel.config.js

// babel.config.js
module.exports = {
  presets: [
    [
      '@babel/preset-env',
      {
        targets: {
          node: 'current',
        },
      },
    ],
  ],
};

Bot.js

/* global require */
/* instanbul ignore next */
if (typeof(require) !== undefined) {
  var Chat = require('./Help.js')['default'];
}
var Bot = {
  onMessage: function(event) {
    return "someaction"
  }
};

/* global exports */
/* istanbul ignore next */
if (typeof(exports) !== 'undefined') {
  exports['__esModule'] = true;
  exports['default'] = Bot;
}

Bot.test.js

import Bot from './Bot.js';

var tests = [
  ['', 'someaction'],
  ['Hi!', 'someaction']
];

test.each(tests)('onMessage %s: %s', (message, expected) => {
  expect(Bot.onMessage(message)).toBe(expected);
});

Help.js

var Help = {
  help: function() {
    return { text: 'You can say `help`' };
  }
};

/* global exports */
/* istanbul ignore next */
if (typeof(exports) !== 'undefined') {
  exports['__esModule'] = true;
  exports['default'] = Help;
}

Help.test.js

import Help from './Help.js';

test('help', () => {
  var message = Help.help();

  expect(message.text).toBeDefined();
});

package.json

{
  "scripts": {
    "test": "jest",
    "coverage": "jest --coverage"
  },
  "devDependencies": {
    "@babel/core": "^7.9.6",
    "@babel/preset-env": "^7.9.6",
    "babel-jest": "^26.0.0",
    "jest": "^26.0.0"
  },
  "jest": {
    "collectCoverageFrom": [
      "src/*.js"
    ]
  }
}