func updateFeature()

in Sample/SwiftUI-MVVM/TicTacToe/Sources/Root/RootViewModel.swift [34:51]


    func updateFeature() {
        state = .loggedOut
        if playersStreamCancellable != nil {
            return
        }
        
        playersStreamCancellable = playerStream.names
            .map { (names: (String, String)?) in
                names == nil ? RootChildStates.loggedOut : RootChildStates.loggedIn
            }
            .removeDuplicates()
            .sink(receiveValue: { [weak self] (state: RootChildStates) in
                guard let strongSelf = self else {
                    return
                }
                strongSelf.state = state
            })
    }