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

{
  "@microsoft/generator-sharepoint": {
    "isCreatingSolution": true,
    "environment": "spo",
    "version": "1.5.1",
    "libraryName": "react-visio",
    "libraryId": "0ad401f1-b158-4626-8e71-cf27b1f4848d",
    "packageManager": "npm",
    "componentType": "webpart"
  }
}