From 4c263f4f9029b4c9bca94a4d1daf84fe9b6635f3 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Jakub=20Olejn=C3=ADk?= <jakub.olejnik@ackee.cz>
Date: Thu, 4 Apr 2024 14:28:29 +0200
Subject: [PATCH] =?UTF-8?q?=E2=9C=A8=20Add=20new=20extensions=20for=20Comb?=
 =?UTF-8?q?ine+Concurrency=20(#147)?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 CHANGELOG.md                                  |  2 +
 .../ACKategories/Combine+Concurrency.swift    | 40 +++++++++++++++++--
 2 files changed, 38 insertions(+), 4 deletions(-)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index 6e682d42..9cb1ee6f 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -8,6 +8,8 @@
 
 ## Next
 
+- Add new helpers for Combine+Concurrency ([#147](https://github.com/AckeeCZ/ACKategories/pull/147), kudos to @olejnjak)
+
 ## 6.13.0
 - Merge [iOS template lib](https://github.com/AckeeCZ/iOS-MVVM-ProjectTemplate) ([#143](https://github.com/AckeeCZ/ACKategories/pull/143), kudos to @olejnjak)
   - add Networking module
diff --git a/Sources/ACKategories/Combine+Concurrency.swift b/Sources/ACKategories/Combine+Concurrency.swift
index 23fa732a..eda736d1 100644
--- a/Sources/ACKategories/Combine+Concurrency.swift
+++ b/Sources/ACKategories/Combine+Concurrency.swift
@@ -1,8 +1,10 @@
 import Combine
 
 @available(macOS 10.15, iOS 13.0, tvOS 13.0, watchOS 6.0, *)
-public extension Future where Failure == Error {
-    convenience init(operation: @escaping () async throws -> Output) {
+public extension Future {
+    /// Run async operation as Publisher
+    /// - Parameter operation: Operation to be run
+    convenience init(operation: @escaping () async throws -> Output) where Failure == Error {
         self.init { promise in
             Task {
                 do {
@@ -13,11 +15,41 @@ public extension Future where Failure == Error {
             }
         }
     }
+
+    /// Run async operation as Publisher
+    /// - Parameter operation: Operation to be run
+    convenience init(operation: @escaping () async -> Result<Output, Failure>) {
+        self.init { promise in
+            Task { promise(await operation()) }
+        }
+    }
+
+    /// Run async operation as Publisher
+    /// - Parameter operation: Operation to be run
+    convenience init(operation: @escaping () async -> Output) where Failure == Never {
+        self.init { promise in
+            Task { promise(.success(await operation())) }
+        }
+    }
 }
 
 @available(macOS 10.15, iOS 13.0, tvOS 13.0, watchOS 6.0, *)
-public extension AnyPublisher where Failure == Error {
-    init(operation: @escaping () async throws -> Output) {
+public extension AnyPublisher {
+    /// Run async operation as Publisher
+    /// - Parameter operation: Operation to be run
+    init(operation: @escaping () async throws -> Output) where Failure == Error {
         self = Future { try await operation() }.eraseToAnyPublisher()
     }
+
+    /// Run async operation as Publisher
+    /// - Parameter operation: Operation to be run
+    init(operation: @escaping () async -> Result<Output, Failure>) {
+        self = Future { await operation() }.eraseToAnyPublisher()
+    }
+
+    /// Run async operation as Publisher
+    /// - Parameter operation: Operation to be run
+    init(operation: @escaping () async -> Output) where Failure == Never {
+        self = Future { await operation() }.eraseToAnyPublisher()
+    }
 }