.gitignore

@@ -1,5 +1,6 @@
 .DS_Store
 /.build
+/.vscode
 /Packages
 /*.xcodeproj
 xcuserdata/
@@ -7,3 +8,4 @@ DerivedData/
 .swiftpm/config/registries.json
 .swiftpm/xcode/package.xcworkspace/contents.xcworkspacedata
 .netrc
+.env

Makefile

@@ -0,0 +1,87 @@
+# --- IMPORTS ---
+
+# Imports environment variables.
+environment_vars ?= .env
+
+include $(environment_vars)
+export $(shell sed 's/=.*//' $(environment_vars))
+
+# --- ARGUMENTS ---
+
+override docker?=${CLI_USE_DOCKER}
+override tag?=${DOCKER_IMAGE_TAG}
+override platform?=${DOCKER_IMAGE_PLATFORM}
+override config?=${SWIFT_BUILD_CONFIGURATION}
+override clean?=${DOCKER_IMAGE_CLEAN}
+
+# --- DEPENDENCIES ---
+
+outdated: ## List the package dependencies that can be updated.
+	@swift package update --dry-run
+
+update: ## Update the package dependencies defined in the project.
+	@swift package update
+
+# --- DEVELOPMENT ---
+
+build: ## Build this package with Swift either locally or in a Docker image.
+ifeq ($(docker),yes)
+	@-docker run \
+		--rm \
+		--volume ${PWD}:${DOCKER_VOLUME_TARGET} \
+		--workdir ${DOCKER_VOLUME_TARGET} \
+		--platform ${platform} \
+		${DOCKER_IMAGE_NAME}:${tag} \
+		swift build --configuration ${config}
+    ifeq ($(clean),yes)
+		@docker rmi ${DOCKER_IMAGE_NAME}:${tag}
+    endif
+else
+	@swift build --configuration ${config}
+endif
+
+# --- TESTING ---
+
+test: ## Test this package with Swift either locally or in a Docker image.
+ifeq ($(docker),yes)
+	@-docker run \
+		--rm \
+		--volume ${PWD}:${DOCKER_VOLUME_TARGET} \
+		--workdir ${DOCKER_VOLUME_TARGET} \
+		--platform ${platform} \
+		${DOCKER_IMAGE_NAME}:${tag} \
+		swift test --configuration ${config}
+    ifeq ($(clean),yes)
+		@docker rmi ${DOCKER_IMAGE_NAME}:${tag}
+    endif
+else
+	@swift test --configuration ${config}
+endif
+
+# --- HOUSE-KEEPING ---
+
+clean: ## Clean the build artifacts of the package.
+	@swift package clean
+
+reset: ## Reset the build folder of the package.
+	@swift package reset
+
+flush-images: ## Flush all outstanding Swift docker images.
+	@docker images \
+		--all | grep ${DOCKER_IMAGE_NAME} | awk '{print $$3}' | xargs docker rmi --force
+
+# --- MISCELLANEOUS ---
+
+xcode: ## Open this package in Xcode.
+	@open -a Xcode Package.swift
+
+# --- HELP ---
+
+# Outputs the documentation for each of the defined tasks when `help` is called.
+# Reference: https://marmelab.com/blog/2016/02/29/auto-documented-makefile.html
+.PHONY: help
+
+help: ## Prints the written documentation for all the defined tasks.
+	@awk 'BEGIN {FS = ":.*?## "} /^[a-zA-Z_-]+:.*?## / {printf "\033[36m%-30s\033[0m %s\n", $$1, $$2}' $(MAKEFILE_LIST)
+
+.DEFAULT_GOAL := help

Package.swift

@@ -1,4 +1,4 @@
-// swift-tools-version: 5.5
+// swift-tools-version: 5.7
 //
 // This source file is part of the SwiftLibs open source project
 //
@@ -11,14 +11,86 @@
 
 import PackageDescription
 
-private var excludePlatforms: [String] = [.PlatformFolder.iOS]
+// MARK: - Variables
 
-#if os(iOS)
-excludePlatforms = []
+private var targetsLibrary: [String] = [
+    .Target.communications,
+    .Target.coordination,
+    .Target.core,
+    .Target.dependencies,
+]
+
+private var targetsPackage: [Target] = [
+    .target(
+        name: .Target.communications,
+        dependencies: []
+    ),
+    .target(
+        name: .Target.coordination,
+        dependencies: []
+    ),
+    .target(
+        name: .Target.core,
+        dependencies: []
+    ),
+    .target(
+        name: .Target.dependencies,
+        dependencies: []
+    ),
+    .testTarget(
+        name: "CommunicationsTests",
+        dependencies: [
+            .init(stringLiteral: .Target.communications)
+        ],
+        path: "Tests/Communications"
+    ),
+    .testTarget(
+        name: "CoordinationTests",
+        dependencies: [
+            .init(stringLiteral: .Target.coordination)
+        ],
+        path: "Tests/Coordination"
+    ),
+    .testTarget(
+        name: "CoreTests",
+        dependencies: [
+            .init(stringLiteral: .Target.core)
+        ],
+        path: "Tests/Core"
+    ),
+    .testTarget(
+        name: "DependenciesTests",
+        dependencies: [
+            .init(stringLiteral: .Target.dependencies)
+        ],
+        path: "Tests/Dependencies"
+    ),
+]
+
+#if os(iOS) || os(macOS) || os(tvOS) || os(watchOS)
+targetsLibrary.append(.Target.persistence)
+targetsPackage.append(contentsOf: [
+    .target(
+        name: .Target.persistence,
+        dependencies: []
+    ),
+    .testTarget(
+        name: "PersistenceTests",
+        dependencies: [
+            .init(stringLiteral: .Target.persistence)
+        ],
+        path: "Tests/Persistence",
+        resources: [
+            .process("Resources")
+        ]
+    ),
+])
 #endif
 
+// MARK: - Package
+
 let package = Package(
-    name: "SwiftLibs",
+    name: .Package.name,
     platforms: [
         .iOS(.v15),
         .macOS(.v12),
@@ -27,82 +99,26 @@ let package = Package(
     ],
     products: [
         .library(
-            name: "SwiftLibs",
-            targets: [
-                "Communications",
-                "Coordination",
-                "Core",
-                "Dependencies",
-                "Persistence"
-            ]
+            name: .Package.name,
+            targets: targetsLibrary
         ),
     ],
     dependencies: [],
-    targets: [
-        .target(
-            name: "Communications",
-            dependencies: []
-        ),
-        .target(
-            name: "Coordination",
-            dependencies: [],
-            exclude: excludePlatforms
-        ),
-        .target(
-            name: "Core",
-            dependencies: []
-        ),
-        .target(
-            name: "Dependencies",
-            dependencies: []
-        ),
-        .target(
-            name: "Persistence",
-            dependencies: []
-        ),
-        .testTarget(
-            name: "CommunicationsTests",
-            dependencies: [
-                "Communications"
-            ],
-            path: "Tests/Communications"
-        ),
-        .testTarget(
-            name: "CoordinationTests",
-            dependencies: [
-                "Coordination"
-            ],
-            path: "Tests/Coordination",
-            exclude: excludePlatforms
-        ),
-        .testTarget(
-            name: "CoreTests",
-            dependencies: [
-                "Core"
-            ],
-            path: "Tests/Core"
-        ),
-        .testTarget(
-            name: "DependenciesTests",
-            dependencies: [
-                "Dependencies"
-            ],
-            path: "Tests/Dependencies"
-        ),
-        .testTarget(
-            name: "PersistenceTests",
-            dependencies: [
-                "Persistence"
-            ],
-            path: "Tests/Persistence"
-        ),
-    ]
+    targets: targetsPackage
 )
 
 // MARK: - String+Constants
 
 private extension String {
-    enum PlatformFolder {
-        static let iOS = "Platform/iOS"
+    enum Package {
+        static let name = "SwiftLibs"
+    }
+
+    enum Target {
+        static let communications = "Communications"
+        static let coordination = "Coordination"
+        static let core = "Core"
+        static let dependencies = "Dependencies"
+        static let persistence = "Persistence"
     }
 }

Sources/Communications/Classes/MockURLProtocol.swift

@@ -10,6 +10,7 @@
 //
 //===----------------------------------------------------------------------===//
 
+#if os(iOS) || os(macOS) || os(tvOS) || os(watchOS)
 import Foundation
 
 /// This class overrides the `URLProtocol` protocol used by the `URLSession` to handle the loading of protocol-specific URL data so it is possible to mock URL response for testing purposes.
@@ -116,3 +117,4 @@ public struct MockURLResponse {
     }
 
 }
+#endif

Sources/Communications/Use Cases/MakeURLRequestUseCase.swift

@@ -10,6 +10,7 @@
 //
 //===----------------------------------------------------------------------===//
 
+#if os(iOS) || os(macOS) || os(tvOS) || os(watchOS)
 import Foundation
 
 /// This use case generate a url request out of a given endpoint.
@@ -55,3 +56,4 @@ public struct MakeURLRequestUseCase {
     }
 
 }
+#endif

Sources/Coordination/Routers/BaseNavigationRouter.swift

@@ -10,6 +10,7 @@
 //
 //===----------------------------------------------------------------------===//
 
+#if os(iOS)
 import UIKit
 
 /// This is a base class for the `NavigationRouter` concrete router implementations.
@@ -70,3 +71,4 @@ extension BaseNavigationRouter: UINavigationControllerDelegate {
     }
 
 }
+#endif

Sources/Coordination/Routers/ModalNavigationRouter.swift

@@ -10,6 +10,7 @@
 //
 //===----------------------------------------------------------------------===//
 
+#if os(iOS)
 import UIKit
 
 /// This class is responsible for showing view controllers modally, as it is a concrete implementation of the `Router` protocol.
@@ -88,3 +89,4 @@ private extension ModalNavigationRouter {
     }
     
 }
+#endif

Sources/Coordination/Routers/PushNavigationRouter.swift

@@ -10,6 +10,7 @@
 //
 //===----------------------------------------------------------------------===//
 
+#if os(iOS)
 import UIKit
 
 /// This class is responsible for pushing view controllers into a navigation controller, as it is a concrete implementation of the `Router` protocol.
@@ -66,3 +67,4 @@ extension PushNavigationRouter: Router {
     }
     
 }
+#endif

Sources/Coordination/Routers/WindowRouter.swift

@@ -10,6 +10,7 @@
 //
 //===----------------------------------------------------------------------===//
 
+#if os(iOS)
 import UIKit
 
 /// This class is responsible for populating the window of an application.
@@ -45,3 +46,4 @@ public class WindowRouter: Router {
     }
     
 }
+#endif

Sources/Persistence/Classes/Fetcher.swift

@@ -10,6 +10,7 @@
 //
 //===----------------------------------------------------------------------===//
 
+#if canImport(Combine) && canImport(CoreData)
 import Combine
 import CoreData
 
@@ -167,3 +168,4 @@ public enum Change: Hashable {
     case section(SectionUpdate)
     case object(ObjectUpdate)
 }
+#endif

Sources/Persistence/Protocols/Service.swift

@@ -10,6 +10,7 @@
 //
 //===----------------------------------------------------------------------===//
 
+#if canImport(CoreData)
 import CoreData
 
 public protocol Service {
@@ -38,3 +39,4 @@ public protocol Service {
     func save(childContext context: NSManagedObjectContext) throws 
     
 }
+#endif

Tests/Communications/Cases/Use Cases/MakeURLRequestUseCaseTests.swift

@@ -10,6 +10,7 @@
 //
 //===----------------------------------------------------------------------===//
 
+#if os(iOS) || os(macOS) || os(tvOS) || os(watchOS)
 import Communications
 import Foundation
 import XCTest
@@ -141,3 +142,4 @@ private struct TestEndpoint: Endpoint {
     }
 
 }
+#endif

Tests/Coordination/Cases/Protocols/CoordinatorTests.swift

@@ -10,6 +10,7 @@
 //
 //===----------------------------------------------------------------------===//
 
+#if canImport(UIKit)
 import Coordination
 import UIKit
 import XCTest
@@ -139,3 +140,4 @@ final class CoordinatorTests: XCTestCase {
     }
 
 }
+#endif

Tests/Coordination/Helpers/TestCoordinators.swift

@@ -10,6 +10,7 @@
 //
 //===----------------------------------------------------------------------===//
 
+#if canImport(UIKit)
 import Coordination
 import UIKit
 
@@ -108,3 +109,4 @@ class SpyRouter: Router {
 
 class SomeViewController: UIViewController {}
 class SomeOtherViewController: UIViewController {}
+#endif

Tests/Persistence/Helpers/TestEntity.swift

@@ -0,0 +1,29 @@
+//===----------------------------------------------------------------------===//
+//
+// This source file is part of the SwiftLibs open source project
+//
+// Copyright (c) 2023 Röck+Cöde VoF. and the SwiftLibs project authors
+// Licensed under the EUPL 1.2 or later.
+//
+// See LICENSE.txt for license information
+// See CONTRIBUTORS.txt for the list of SwiftLibs project authors
+//
+//===----------------------------------------------------------------------===//
+
+import Foundation
+import CoreData
+
+@objc(TestEntity)
+public class TestEntity: NSManagedObject {}
+
+// MARK: - Fetch requests
+
+extension TestEntity {
+    
+    // MARK: Functions
+    
+    @nonobjc public class func fetchRequest() -> NSFetchRequest<TestEntity> {
+        return NSFetchRequest<TestEntity>(entityName: "TestEntity")
+    }
+    
+}

Tests/Persistence/Helpers/TestPersistenceService.swift

@@ -11,6 +11,7 @@
 //===----------------------------------------------------------------------===//
 
 import CoreData
+import Foundation
 import Persistence
 
 struct TestPersistenceService {

Tests/Persistence/Resources/TestModel.xcdatamodeld/Model.xcdatamodel/contents

@@ -1,4 +1,4 @@
 <?xml version="1.0" encoding="UTF-8" standalone="yes"?>
 <model type="com.apple.IDECoreDataModeler.DataModel" documentVersion="1.0" lastSavedToolsVersion="21754" systemVersion="22E261" minimumToolsVersion="Automatic" sourceLanguage="Swift" userDefinedModelVersionIdentifier="">
-    <entity name="TestEntity" representedClassName="TestEntity" syncable="YES" codeGenerationType="class"/>
+    <entity name="TestEntity" representedClassName="TestEntity" syncable="YES"/>
 </model>