feat: Adds TCA Helpers, some are wip.

Sources/TCAHelpers/Effect+receive.swift

@@ -1,7 +1,7 @@
 import ComposableArchitecture
 
-public protocol ReceiveAction<ReceiveAction> {
-  associatedtype ReceiveAction
+public protocol ReceiveAction<ReceiveAction>: CasePathable {
+  associatedtype ReceiveAction: CasePathable
   static func receive(_ result: TaskResult<ReceiveAction>) -> Self
 }
 

Sources/TCAHelpers/ReceiveFailureReducer.swift

@@ -1,51 +0,0 @@
-import ComposableArchitecture
-import OSLog
-
-public struct _ReceiveFailureReducer<State, Action>: Reducer {
-
-  @usableFromInline
-  let toReceiveActionError: (Action) -> Error?
-
-  @usableFromInline
-  let logger: Logger
-
-  @inlinable
-  public init<ViewAction: ReceiveAction>(
-    action toReceiveAction: CaseKeyPath<Action, ViewAction>,
-    logger: Logger
-  ) {
-    self.init(
-      internal: { action in
-        if case let .receive(.failure(error)) = AnyCasePath(toReceiveAction).extract(from: action) {
-          return error
-        }
-        return nil
-      },
-      logger: logger
-    )
-  }
-
-  @usableFromInline
-  init(internal toReceiveActionError: @escaping (Action) -> Error?, logger: Logger) {
-    self.toReceiveActionError = toReceiveActionError
-    self.logger = logger
-  }
-
-  @inlinable
-  public func reduce(
-    into state: inout State,
-    action: Action
-  ) -> Effect<Action> {
-    guard let error = toReceiveActionError(action) else { return .none }
-    return .fail(error: error, logger: logger)
-  }
-}
-
-extension Reducer where Action: ReceiveAction, Action: CasePathable {
-  public func onFail(_ logger: Logger) -> _ReceiveFailureReducer<State, Action, Action> {
-    _ReceiveFailureReducer(
-      action: \.receive,
-      logger: logger
-    )
-  }
-}