Webpack v4.1.1引导代码破坏旧浏览器？

大家好，我正在尝试使用Webpack4.1.1，每次我从Google Fetch使用我的网站来查看Google如何查看我的页面时，我都会看到一个空白屏幕。好啊所以我安装了Rollbar，看看是否可以得到错误。Rollbar告诉我：

TypeError: undefined is not a function
1
File "webpack:///webpack/bootstrap" line 111 col 1 in e
if (!me.children.includes(request)) me.children.push(request);
2
File "webpack:///../node_modules/history/PathUtils.js" line 60 col 1 in Object.<anonymous>
return path;
3
File "webpack:///webpack/bootstrap" line 743 col 1 in M
modules[moduleId].call(module.exports, module, module.exports, hotCreateRequire(moduleId));
4
File "webpack:///webpack/bootstrap" line 863 col 1 in [anonymous]
return hotCreateRequire(140)(__webpack_require__.s = 140);
5
File "webpack:///webpack/bootstrap" line 863 col 1 in [anonymous]
return hotCreateRequire(140)(__webpack_require__.s = 140);

输入应用程序文件

import 'whatwg-fetch';
import 'babel-polyfill';
import 'promise-polyfill';

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项目在这里：

这个问题的最新版本是什么？

import 'whatwg-fetch';
import 'babel-polyfill';
import 'promise-polyfill';