Added Memory Leak example

Author: janeshsutharios

SwiftUIExamples/SwiftUIExamples.xcodeproj/project.pbxproj

@@ -29,6 +29,7 @@
 		10AB45442DD24B7D00967614 /* Preview Assets.xcassets in Resources */ = {isa = PBXBuildFile; fileRef = 10AB45432DD24B7D00967614 /* Preview Assets.xcassets */; };
 		10AB454B2DD257A100967614 /* BindingExample.swift in Sources */ = {isa = PBXBuildFile; fileRef = 10AB454A2DD257A100967614 /* BindingExample.swift */; };
 		4FB02AD62E3B3B320010B8D8 /* DependencyInjectionTests.swift in Sources */ = {isa = PBXBuildFile; fileRef = 4FB02AD52E3B3B320010B8D8 /* DependencyInjectionTests.swift */; };
+		4FEBFAB62E3C85BC00D72E78 /* MemoryLeakExamples.swift in Sources */ = {isa = PBXBuildFile; fileRef = 4FEBFAB52E3C85BC00D72E78 /* MemoryLeakExamples.swift */; };
 /* End PBXBuildFile section */
 
 /* Begin PBXContainerItemProxy section */
@@ -79,6 +80,7 @@
 		10AB45432DD24B7D00967614 /* Preview Assets.xcassets */ = {isa = PBXFileReference; lastKnownFileType = folder.assetcatalog; path = "Preview Assets.xcassets"; sourceTree = "<group>"; };
 		10AB454A2DD257A100967614 /* BindingExample.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = BindingExample.swift; sourceTree = "<group>"; };
 		4FB02AD52E3B3B320010B8D8 /* DependencyInjectionTests.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = DependencyInjectionTests.swift; sourceTree = "<group>"; };
+		4FEBFAB52E3C85BC00D72E78 /* MemoryLeakExamples.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = MemoryLeakExamples.swift; sourceTree = "<group>"; };
 /* End PBXFileReference section */
 
 /* Begin PBXFrameworksBuildPhase section */
@@ -183,6 +185,7 @@
 		10AB453B2DD24B7B00967614 /* SwiftUIExamples */ = {
 			isa = PBXGroup;
 			children = (
+				4FEBFAB42E3C85A500D72E78 /* MemoryManagement */,
 				1089EA602E38694300B1E312 /* Archs */,
 				10AB453C2DD24B7B00967614 /* SwiftUIExamplesApp.swift */,
 				10525C712E2D2A4A00D7C510 /* AsyncAwait */,
@@ -201,6 +204,14 @@
 			path = "Preview Content";
 			sourceTree = "<group>";
 		};
+		4FEBFAB42E3C85A500D72E78 /* MemoryManagement */ = {
+			isa = PBXGroup;
+			children = (
+				4FEBFAB52E3C85BC00D72E78 /* MemoryLeakExamples.swift */,
+			);
+			path = MemoryManagement;
+			sourceTree = "<group>";
+		};
 /* End PBXGroup section */
 
 /* Begin PBXNativeTarget section */
@@ -349,6 +360,7 @@
 				072EEEAF2E1E8CE40007B3A4 /* SearchViewUsingCombine.swift in Sources */,
 				072EEEC42E1E98DA0007B3A4 /* DataTaskPublisher.swift in Sources */,
 				109998132E252E7400A8A3C9 /* FlatMapVsSwitchToLatest1.swift in Sources */,
+				4FEBFAB62E3C85BC00D72E78 /* MemoryLeakExamples.swift in Sources */,
 				1089EA622E38695900B1E312 /* Dependency-Injection.swift in Sources */,
 				10AB453D2DD24B7B00967614 /* SwiftUIExamplesApp.swift in Sources */,
 				109998152E25444C00A8A3C9 /* FlatMapVsSwitchToLatest2.swift in Sources */,

SwiftUIExamples/SwiftUIExamples/MemoryManagement/MemoryLeakExamples.swift

@@ -0,0 +1,56 @@
+import SwiftUI
+import Combine
+
+// MARK: - ViewModel with Leaky Timer
+final class TimerViewModel: ObservableObject {
+    @Published var count: Int = 0
+    private var cancellables = Set<AnyCancellable>()
+    
+    init() {
+        Timer.publish(every: 1.0, on: .main, in: .common)
+            .autoconnect()
+            // To reproduce issue remove weak self here, you will observer timer still runs on background & deinit never get called.
+            .sink { [weak self] _ in
+                self?.count += 1
+                print("⏱️ Timer fired: \(self?.count ?? 0)")
+            }
+            .store(in: &cancellables)
+    }
+    
+    deinit {
+        print("🧹 TimerViewModel deallocated")
+    }
+}
+
+// MARK: - SwiftUI View
+struct LeakyTimerView: View {
+    @StateObject private var viewModel = TimerViewModel()
+    @Environment(\.dismiss) var dismiss
+    
+    var body: some View {
+        VStack {
+            Text("Timer count: \(viewModel.count)")
+                .font(.largeTitle)
+            Button("Dismiss") {
+                dismiss()
+            }
+        }
+        .padding()
+    }
+}
+
+// MARK: - Entry Point View
+struct MemoryLeakExamples: View {
+    @State private var showLeak = false
+    
+    var body: some View {
+        VStack {
+            Button("Show Leaky Timer View") {
+                showLeak = true
+            }
+        }
+        .sheet(isPresented: $showLeak) {
+            LeakyTimerView()
+        }
+    }
+}

SwiftUIExamples/SwiftUIExamples/SwiftUIExamplesApp.swift

@@ -36,8 +36,8 @@ struct DashboardView: View {
         ExampleItem(title: "Aync Await with Static Data protocols", destination: AnyView(UserListView())),
         ExampleItem(title: "Aync Await with  API and protocols tests", destination: AnyView(RepoListView(username: "janeshsutharios"))),
         ExampleItem(title: "Dependency-Injection ", destination: AnyView(ProjectsListView())),
+        ExampleItem(title: "MemoryLeakExamples ", destination: AnyView(MemoryLeakExamples())),
     ]
-  
     var body: some View {
         NavigationView {
             List(examples) { item in