sp-dev-fx-webparts/samples/react-async-await-sp-pnp-js/.yo-rc.json

{
  "@microsoft/generator-sharepoint": {
    "version": "1.14.0-beta.4",
    "isDomainIsolated": false,
    "isCreatingSolution": true,
    "packageManager": "npm",
    "componentType": "webpart",
    "framework": ""
  }
}