import * as React from 'react';
import * as ReactDOM from 'react-dom';
9- modify react-reconciler
// src/react/packages/react-reconciler/src/ReactFiberHostConfig.js
// Annotate all and then add:
export * from './forks/ReactFiberHostConfig.dom';
10- modify shared
// src/react/packages/shared/ReactSharedInternals.js
// Annotate all and then add:
import ReactSharedInternals from '../react/src/ReactSharedInternals';
// src/react/packages/shared/invariant.js
// add:
if (condition) {
return;
}