cra打包路由切换FiberRootNode会新增，webpack打包就不会

[sunwenzhe-git]

import { Tooltip } from "@material-ui/core";
import React, { Profiler, useLayoutEffect, useRef, useState } from "react";
import ReactDOM from "react-dom";

const arr = new Array(100).fill(0);

const List = React.memo(() => {
return (
<>

xxxxx

{arr.map((item, index) => (
<div key={${item}-${index}}>
{item}-{index}

))}
</>
);
});

const TestComp = React.memo(() => {
const ref = useRef();
useLayoutEffect(() => {
const dom = ref.current;

ReactDOM.render(<List />, dom);
return () => {
  ReactDOM.unmountComponentAtNode(dom);
};

}, []);

return

;
});

const User = React.memo(() => {
const [open, setOpen] = useState(false);
return (
<Profiler
id="test-light-comp-demo"
onRender={(id, phase, duration) => {
console.log({ id, phase, duration });
}}
>
<div
onClick={() => {
setOpen((item) => !item);
}}
>
xxxxx

{/* {open && } */}


);
});

export default User;

[sunwenzhe-git]

react任意版本，react-scripts任意版本，只要调用了render并且使用Tooltip都会出现，不单单是mui的Tooltip，其它Tooltip也有一样的问题