text: /**
   * Copyright (c) Facebook, Inc. and its affiliates.
   *
   * This source code is licensed under the MIT license found in the
   * LICENSE file in the root directory of this source tree.
   *
   * @emails oncall+javascript_foundation
   * @format
   * @flow
   */
  
  'use strict';
  
  const acorn = require('acorn');
  const vm = require('vm');
  
  module.exports = function execBundle(code: string, context: {} = {}): mixed {
    // Verify the code can run on older VMs by parsing it as ES5 (versus ES6+).
    acorn.parse(code, {ecmaVersion: 5});
  
    return vm.runInNewContext(code, context);
  };
  