Where does the logic go with SwiftUI compared to React?
You can make dependsOnSomeStateVariable a computed property.
var dependsOnSomeStateVariable: Int { someStateVariable ? 0 : 1}As far as I know the exact View lifecycle is not documented (but some of it has been reverse engineered
For observed objects (@ObservedObject) you can listen for published changes (objectWillChange, usually in combination with DispatchQueue.main.async).