jest/e2e/test-environment-esm/EnvESM.js

/**
 * Copyright (c) Meta Platforms, Inc. and affiliates.
 *
 * This source code is licensed under the MIT license found in the
 * LICENSE file in the root directory of this source tree.
 */

import {TestEnvironment} from 'jest-environment-node';

export default class Env extends TestEnvironment {
  constructor(...args) {
    super(...args);
    this.global.someVar = 42;
  }
}