sp-dev-fx-webparts/samples/react-themes/.yo-rc.json

{
  "@microsoft/generator-sharepoint": {
    "isCreatingSolution": false,
    "environment": "spo",
    "version": "1.11.0",
    "libraryName": "react-themes",
    "libraryId": "040f676c-4003-4436-adfb-97da632413c3",
    "packageManager": "npm",
    "isDomainIsolated": false,
    "componentType": "webpart"
  }
}