AnyPublisher

extension AnyPublisher where Output == Action

Available where Output == Action

  • Filter that includes only the Action type that is given, and maps to that specific Action type.

    The code block converts the action stream from AnyPublisher<Action, Never> to AnyPublisher<GetPost, Never>:

    let getPostOnly: AnyPublisher<GetPost, Never> = actions
    .ofType(GetPost.self)
    .eraseToAnyPublisher()

    Declaration

    Swift

    public func ofType<A>(_: A.Type) -> Publishers.CompactMap<`Self`, A> where A : Action

  • Filter that includes only the two Action types that are given.

    actions
    .ofType(Action1.self, Action2.self)
    .map { action in /* action will be of type Action1 or Action2 */ }

    Declaration

    Swift

    public func ofTypes<
    A1: Action,
    A2: Action
    >(_: A1.Type,
      _: A2.Type
) -> Publishers.CompactMap<Self, Action>

  • Filter that includes only the three Action types that are given.

    actions
    .ofType(Action1.self, Action2.self, Action3.self)
    .map { action in /* action will be of type Action1, Action2, or Action3 */ }

    Declaration

    Swift

    public func ofTypes<
    A1: Action,
    A2: Action,
    A3: Action
    >(_: A1.Type,
      _: A2.Type,
      _: A3.Type
) -> Publishers.CompactMap<Self, Action>

  • Filter that includes only the four Action types that are given.

    actions
    .ofType(Action1.self, Action2.self, Action3.self, Action4.self)
    .map { action in /* action will be of type Action1, Action2, Action3, or Action4 */ }

    Declaration

    Swift

    public func ofTypes<
    A1: Action,
    A2: Action,
    A3: Action,
    A4: Action
    >(_: A1.Type,
      _: A2.Type,
      _: A3.Type,
      _: A4.Type
) -> Publishers.CompactMap<Self, Action>

  • Filter that includes only the five Action types that are given.

    actions
    .ofType(Action1.self, Action2.self, Action3.self, Action4.self, Action5.self)
    .map { action in /* action will be of type Action1, Action2, Action3, Action4, or Action5 */ }

    Declaration

    Swift

    public func ofTypes<
    A1: Action,
    A2: Action,
    A3: Action,
    A4: Action,
    A5: Action
    >(_: A1.Type,
      _: A2.Type,
      _: A3.Type,
      _: A4.Type,
      _: A5.Type
) -> Publishers.CompactMap<Self, Action>