Thank ypu all. I have found

  {
    "type": "chrome",
    "request": "launch",
    "name": "Launch Chrome Debugger",
    "url": "http://localhost:3000",
    "webRoot": "${workspaceRoot}/src",
    "sourceMaps": true,
    "timeout": 15000,
    "trace":"verbose"
}
no port:9222 needed