fullcalendar/packages/bundle/package.json

{
  "private": true,
  "devDependencies": {
    "@fullcalendar/core": "4.4.0",
    "@fullcalendar/interaction": "4.4.0",
    "@fullcalendar/daygrid": "4.4.0",
    "@fullcalendar/timegrid": "4.4.0",
    "@fullcalendar/list": "4.4.0",
    "@fullcalendar/bootstrap": "4.4.0",
    "@fullcalendar/rrule": "4.4.0",
    "@fullcalendar/moment": "4.4.0",
    "@fullcalendar/moment-timezone": "4.4.0",
    "@fullcalendar/luxon": "4.4.0",
    "@fullcalendar/google-calendar": "4.4.0"
  }
}