feat: Manage Dependency Injection

Projects/App/Project.swift

@@ -33,7 +33,9 @@ let project = Project(
             resources: ["Resource/**"],
             scripts: [.swiftLint],
             dependencies: [
-                .external(name: "Moya")
+                .external(name: "Moya"),
+                .external(name: "Swinject"),
+                .external(name: "FlowKit")
             ]
         )
     ]

Projects/App/Source/Application/AppMain.swift

@@ -6,12 +6,16 @@
 //
 
 import SwiftUI
+import FlowKit
 
 @main
 struct AppMain: App {
+
+    @Inject private var flow: FlowProvider
+
     var body: some Scene {
         WindowGroup {
-            MainView()
+            flow.present()
         }
     }
 }

Projects/App/Source/Application/DI/Assembly/FlowAssembly.swift

@@ -0,0 +1,18 @@
+//
+//  FlowAssembly.swift
+//  DodamDodam
+//
+//  Created by Mercen on 3/13/24.
+//
+
+import Swinject
+import FlowKit
+
+class FlowAssembly: Assembly {
+
+    func assemble(container: Container) {
+        container.register(FlowProvider.self) { _ in
+            FlowProvider(rootView: MainView())
+        }
+    }
+}

Projects/App/Source/Application/DI/Assembly/ViewModelAssembly.swift

@@ -0,0 +1,17 @@
+//
+//  ViewModelAssembly.swift
+//  DodamDodam
+//
+//  Created by Mercen on 3/13/24.
+//
+
+import Swinject
+
+class ViewModelAssembly: Assembly {
+
+    func assemble(container: Container) {
+        container.register(MainViewModel.self) { _ in
+            MainViewModel()
+        }
+    }
+}

Projects/App/Source/Application/DI/Injection/Inject.swift

@@ -0,0 +1,22 @@
+//
+//  Inject.swift
+//  DodamDodam
+//
+//  Created by Mercen on 3/13/24.
+//
+
+import Swinject
+
+@propertyWrapper
+public struct Inject<T> {
+
+    public let wrappedValue: T = {
+        if let value = DependencyProvider.shared.container.resolve(T.self) {
+            return value
+        } else {
+            fatalError("Injection error: \(T.self)")
+        }
+    }()
+
+    public init() { }
+}

Projects/App/Source/Application/DI/Injection/InjectObject.swift

@@ -0,0 +1,31 @@
+//
+//  InjectObject.swift
+//  DodamDodam
+//
+//  Created by Mercen on 3/13/24.
+//
+
+import SwiftUI
+import Swinject
+
+@propertyWrapper
+public struct InjectObject<T>: DynamicProperty where T: ObservableObject {
+
+    @StateObject private var object: T = {
+        if let value = DependencyProvider.shared.container.resolve(T.self) {
+            return value
+        } else {
+            fatalError("Injection error: \(T.self)")
+        }
+    }()
+
+    public var wrappedValue: T {
+        object
+    }
+
+    public var projectedValue: ObservedObject<T>.Wrapper {
+        $object
+    }
+
+    public init() { }
+}

Projects/App/Source/Application/DI/Provider/DependencyProvider.swift

@@ -0,0 +1,27 @@
+//
+//  DependencyProvider.swift
+//  DodamDodam
+//
+//  Created by Mercen on 3/13/24.
+//
+
+import Swinject
+
+class DependencyProvider {
+
+    static let shared = DependencyProvider()
+
+    let container = Container()
+    let assembler: Assembler
+
+    init() {
+        Container.loggingFunction = nil
+        assembler = Assembler(
+            [
+                FlowAssembly(),
+                ViewModelAssembly()
+            ],
+            container: container
+        )
+    }
+}

Projects/App/Source/Feature/Main/MainView.swift

@@ -8,8 +8,11 @@
 import SwiftUI
 
 struct MainView: View {
+
+    @InjectObject var viewModel: MainViewModel
+
     var body: some View {
-        Text("Hello, world")
+        Text("Hello, world!")
     }
 }
 

Projects/App/Source/Feature/Main/MainViewModel.swift

@@ -0,0 +1,14 @@
+//
+//  MainViewModel.swift
+//  DodamDodam
+//
+//  Created by Mercen on 3/13/24.
+//
+
+import Combine
+import FlowKit
+
+class MainViewModel: ObservableObject {
+
+    @Inject var flow: FlowProvider
+}

Projects/App/Source/Shared/Extension/FontExt.swift

@@ -7,7 +7,8 @@
 
 import SwiftUI
 
-extension Font {
+public extension Font {
+
     static let heading1: Self = .system(size: 32, weight: .bold)
     static let heading2: Self = .system(size: 28, weight: .bold)
     static let heading3: Self = .system(size: 24, weight: .bold)

Projects/App/Source/Shared/Extension/MoyaExt.swift

@@ -7,7 +7,8 @@
 
 import Moya
 
-extension MoyaProvider {
+public extension MoyaProvider {
+
     func request(_ target: Target) async -> Result<Response, MoyaError> {
         await withCheckedContinuation { continuation in
             request(target) {

Projects/App/Source/Shared/Extension/TaskExt.swift

@@ -7,7 +7,8 @@
 
 import Foundation
 
-extension Task where Success == Never, Failure == Never {
+public extension Task where Success == Never, Failure == Never {
+
     static func sleep(seconds: Double) async throws {
         let duration = UInt64(seconds * 1_000_000_000)
         try await Task.sleep(nanoseconds: duration)

Tuist/Package.resolved

@@ -9,6 +9,15 @@
         "version" : "5.9.0"
       }
     },
+    {
+      "identity" : "flowkit",
+      "kind" : "remoteSourceControl",
+      "location" : "https://github.com/Mercen-Lee/FlowKit",
+      "state" : {
+        "branch" : "main",
+        "revision" : "325681f69d3881740dab68730c195558405d5ab2"
+      }
+    },
     {
       "identity" : "moya",
       "kind" : "remoteSourceControl",
@@ -35,6 +44,15 @@
         "revision" : "9dcaa4b333db437b0fbfaf453fad29069044a8b4",
         "version" : "6.6.0"
       }
+    },
+    {
+      "identity" : "swinject",
+      "kind" : "remoteSourceControl",
+      "location" : "https://github.com/Swinject/Swinject.git",
+      "state" : {
+        "revision" : "463cb2d659c8ae34899d18057ea5b1bb86fc3178",
+        "version" : "2.8.4"
+      }
     }
   ],
   "version" : 2

Tuist/Package.swift

@@ -24,6 +24,8 @@ import PackageDescription
 let package = Package(
     name: "PackageName",
     dependencies: [
-        .package(url: "https://github.com/Moya/Moya", from: "15.0.0")
+        .package(url: "https://github.com/Moya/Moya", from: "15.0.0"),
+        .package(url: "https://github.com/Swinject/Swinject.git", from: "2.8.0"),
+        .package(url: "https://github.com/Mercen-Lee/FlowKit", branch: "main")
     ]
 )