I’d be deeply surprised if a webapp requiring Next.js doesn’t have a state machine in any components. If you’re past the complexity threshold for Next.js, you’

I’d be deeply surprised if a webapp requiring Next.js doesn’t have a state machine in any components. If you’re past the complexity threshold for Next.js, you’ve run into what’s really probably the most fundamental construct in computing. They’re not that complex. They’re just presented in academic language. If you can program professionally, you’re very capable of self-studying a bachelor’s degree’s worth of CS.