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

{
  "@microsoft/generator-sharepoint": {
    "isCreatingSolution": true,
    "environment": "spo",
    "version": "1.8.0",
    "libraryName": "ioc-tests",
    "libraryId": "d831edc5-e461-4c60-8ebe-178f5270e58e",
    "packageManager": "npm",
    "componentType": "webpart"
  }
}