Add DemoDestination; Remove DemoDestination

SecureStorageSample/ContentView.swift

@@ -8,28 +8,75 @@
 import SwiftUI
 import LocalData
 
+private enum DemoDestination: Hashable, CaseIterable {
+    case userDefaults
+    case keychain
+    case files
+    case encrypted
+    case sync
+    case migration
+
+    var view: some View {
+        switch self {
+        case .userDefaults:
+            return AnyView(UserDefaultsDemo())
+        case .keychain:
+            return AnyView(KeychainDemo())
+        case .files:
+            return AnyView(FileSystemDemo())
+        case .encrypted:
+            return AnyView(EncryptedStorageDemo())
+        case .sync:
+            return AnyView(PlatformSyncDemo())
+        case .migration:
+            return AnyView(MigrationHubView())
+        }
+    }
+    
+    var title: String {
+        switch self {
+        case .userDefaults:
+            return "UserDefaults"
+        case .keychain:
+            return "Keychain"
+        case .files:
+            return "File Storage"
+        case .encrypted:
+            return "Encrypted Storage"
+        case .sync:
+            return "Watch Sync"
+        case .migration:
+            return "Migrations"
+        }
+    }
+
+    var systemImage: String {
+        switch self {
+        case .userDefaults:
+            return "gearshape.fill"
+        case .keychain:
+            return "lock.fill"
+        case .files:
+            return "doc.fill"
+        case .encrypted:
+            return "lock.shield.fill"
+        case .sync:
+            return "arrow.triangle.2.circlepath"
+        case .migration:
+            return "sparkles"
+        }
+    }
+}
+
 struct ContentView: View {
     var body: some View {
         NavigationStack {
             List {
                 Section("Storage Demos") {
-                    NavigationLink(value: DemoDestination.userDefaults) {
-                        Label("UserDefaults", systemImage: "gearshape.fill")
-                    }
-                    NavigationLink(value: DemoDestination.keychain) {
-                        Label("Keychain", systemImage: "lock.fill")
-                    }
-                    NavigationLink(value: DemoDestination.files) {
-                        Label("File Storage", systemImage: "doc.fill")
-                    }
-                    NavigationLink(value: DemoDestination.encrypted) {
-                        Label("Encrypted Storage", systemImage: "lock.shield.fill")
-                    }
-                    NavigationLink(value: DemoDestination.sync) {
-                        Label("Watch Sync", systemImage: "arrow.triangle.2.circlepath")
-                    }
-                    NavigationLink(value: DemoDestination.migration) {
-                        Label("Migrations", systemImage: "sparkles")
+                    ForEach(DemoDestination.allCases, id: \.self) { demo in
+                        NavigationLink(value: demo) {
+                            Label(demo.title, systemImage: demo.systemImage)
+                        }
                     }
                 }
             }
@@ -37,20 +84,7 @@ struct ContentView: View {
             .navigationTitle("Secure Storage")
             .navigationBarTitleDisplayMode(.inline)
             .navigationDestination(for: DemoDestination.self) { destination in
-                switch destination {
-                case .userDefaults:
-                    UserDefaultsDemo()
-                case .keychain:
-                    KeychainDemo()
-                case .files:
-                    FileSystemDemo()
-                case .encrypted:
-                    EncryptedStorageDemo()
-                case .sync:
-                    PlatformSyncDemo()
-                case .migration:
-                    MigrationHubView()
-                }
+                return destination.view
             }
         }
     }
@@ -59,12 +93,3 @@ struct ContentView: View {
 #Preview {
     ContentView()
 }
-
-private enum DemoDestination: Hashable {
-    case userDefaults
-    case keychain
-    case files
-    case encrypted
-    case sync
-    case migration
-}