git clone https://github.com/JQSC/debug-react-source-code.git

yarn

react v17.0.2

{
  "version": "0.2.0",
  "configurations": [
    {
      "type": "chrome",
      "request": "launch",
      "name": "Launch Chrome",
      "url": "http://localhost:3000", // 改为目标 url
      "webRoot": "${workspaceFolder}",
    }
  ]
}

|-- src
  |-- react   # 仓库源代码直接拿过来的
  |-- index.js