sp-dev-fx-webparts/tutorials/tutorial-migrate-fullcalendar/01-migrated-sewp-to-spfx/config/package-solution.json

{
  "solution": {
    "name": "spfx-js-fullcalendar-client-side-solution",
    "id": "e6a89529-5fef-4883-b84c-c6bc27b0bfb0",
    "version": "1.0.0.0"
  },
  "paths": {
    "zippedPackage": "solution/spfx-js-fullcalendar.sppkg"
  }
}