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

{
  "@microsoft/generator-sharepoint": {
    "libraryName": "react-todo-basic",
    "framework": "react",
    "version": "1.0.2",
    "libraryId": "40efb476-b506-409a-8848-5fbfb9456af6"
  }
}