1.0.1

Changed

Store타입 내부의 State타입이 더이상 Equtable을 채택하지 않아도 됩니다

Full Changelog: https://github.com/GSM-MSG/Store/commits/1.0.1

1.0.0

Store

📦 Unidirectional data flow state management 'Store' 1.0.0 released.

import Combine
import Store
import UIKit

// MARK: - Store
final class SampleStore: Store {
    struct State: Equatable {
        var count: Int = 0
    }

    enum Action {
        case plusButtonDidTap
        case minusButtonDidTap
    }

    enum Mutation {
        case updateCount(Int)
    }

    var stateSubject: CurrentValueSubject<State, Never>
    var initialState: State
    var subscription: Set<AnyCancellable> = .init()

    init(initialState: State) {
        self.initialState = initialState
        self.stateSubject = CurrentValueSubject(initialState)
    }

    func mutate(state: State, action: Action) -> SideEffect<Mutation, Never> {
        switch action {
        case .plusButtonDidTap:
            return .tryAsync { [count = state.count] in
                try await Task.sleep(for: .milliseconds(500))
                return .updateCount(count + 1)
            }
            .catchToNever()

        case .minusButtonDidTap:
            return .just(.updateCount(state.count - 1))

        default :
            return .none
        }
        return .none
    }

    func reduce(state: State, mutate: Mutation) -> State {
        var newState = state
        switch mutate {
        case let .updateCount(count):
            newState.count = count
        }
        return newState
    }
}

// MARK: - ViewController
final class SampleViewController: UIViewController {
    let store: SampleStore
    var subscription: Set<AnyCancellable> = .init()

    init() {
        self.store = .init(initialState: .init())
        super.init(nibName: nil, bundle: nil)
    }

    required init?(coder: NSCoder) {
        fatalError("init(coder:) has not been implemented")
    }

    private let countLabel: UILabel = {...}()
    private let plusButton: UIButton = {...}()
    private let minusButton: UIButton = {...}()

    override func viewDidLoad() {
        super.viewDidLoad()

        ...

        plusButton.addAction(UIAction(handler: { [weak self] _ in
            self?.store.send(.plusButtonDidTap)
        }), for: .touchUpInside)

        minusButton.addAction(UIAction(handler: { [weak self] _ in
            self?.store.send(.minusButtonDidTap)
        }), for: .touchUpInside)

        store.state.map(\.count)
            .map(String.init)
            .assign(to: \.text, on: countLabel)
            .store(in: &subscription)
    }
}

Full Changelog: https://github.com/GSM-MSG/Store/commits/1.0.0