It's either/both - the "simple" method is to manually host. The more complex methods use runtime or compile-time reflection on the code to determine what gets

It's either/both - the "simple" method is to manually host. The more complex methods use runtime or compile-time reflection on the code to determine what gets loaded when (a la https://engineering.fb.com/2020/05/08/web/facebook-redesign/#:~:text=Delivering%20data%2Ddriven%20dependencies https://engineering.fb.com/2020/05/08/web/facebook-redesign/...)