环境

• node v16.20.2
• react 18.3.1
• react-scripts 5.0.1

按照最新 npx create-react-app my-app 创建出来的新项目，引入 js-enumerate 库后运行报错。

报错

  Uncaught runtime errors:

ERROR
Cannot set properties of undefined (setting 'Enum')
TypeError: Cannot set properties of undefined (setting 'Enum')
    at http://localhost:3000/static/js/bundle.js:106620:201
    at ./node_modules/js-enumerate/dist/index.js (http://localhost:3000/static/js/bundle.js:106621:2)
    at options.factory (http://localhost:3000/static/js/bundle.js:108518:31)
    at __webpack_require__ (http://localhost:3000/static/js/bundle.js:107925:32)
    at fn (http://localhost:3000/static/js/bundle.js:108177:21)
    at ./src/index.js (http://localhost:3000/static/js/bundle.js:556:70)
    at options.factory (http://localhost:3000/static/js/bundle.js:108518:31)
    at __webpack_require__ (http://localhost:3000/static/js/bundle.js:107925:32)
    at http://localhost:3000/static/js/bundle.js:109097:37
    at http://localhost:3000/static/js/bundle.js:109099:12

解决方法

将 react-scripts从 5.0.1 降级到 4.0.3 ，项目正常运行。