One option would be to use an enum with a label
computed property.
enum TransitionState {
case stageOne, stageTwo, stageThree
var label: String {
switch self {
case .stageOne: "Stage one!"
case .stageTwo: "Stage two!"
case .stageThree: "Stage three!"
}
}
}
struct MyView: View {
@State var transitionState: TransitionState = .stageOne
var body: some View {
Text(transitionState.label)
}
}