This is a fully-buildable example project for FullCalendar and Vue 3, leveraging Vite.
git clone https://github.com/fullcalendar/fullcalendar-examples.git
cd fullcalendar-examples/vue3
npm install
npm run dev # builds and opens a web browser
# other commands:
npm run build # builds files into dist/ directory
npm run clean # start fresh