If they really are that complex, then use react for them. One of the biggest issues I have always had with react proponents is the "well if I need react for X t

If they really are that complex, then use react for them. One of the biggest issues I have always had with react proponents is the "well if I need react for X then I might as well build the whole thing in react." Islands Architecture is really not complicated. The bulk of your app can be very simple hypermedia exchanges and components and when you need a really fancy widget, load it and mount it where it needs to be.