Reintroduce TabView introspection on macOS 15+

.editorconfig

@@ -0,0 +1,9 @@
+# editorconfig.org
+root = true
+
+[*]
+indent_style = space
+indent_size = 4
+trim_trailing_whitespace = true
+insert_final_newline = true
+end_of_line = lf

Sources/ViewTypes/TabView.swift

@@ -49,6 +49,24 @@
 /// }
 /// ```
 ///
+/// ### macOS 15+ (non-root placement only)
+///
+/// ```swift
+/// struct ContentView: View {
+///     var body: some View {
+///         GroupBox {
+///             TabView {
+///                 Text("Tab 1").tabItem { Text("Tab 1") }
+///                 Text("Tab 2").tabItem { Text("Tab 2") }
+///             }
+///             .introspect(.tabView, on: .macOS(.v15, .v26)) {
+///                 print(type(of: $0)) // NSTabView
+///             }
+///         }
+///     }
+/// }
+/// ```
+///
 /// ### visionOS
 ///
 /// Not available.
@@ -100,10 +118,8 @@ extension macOSViewVersion<TabViewType, NSTabView> {
     public static let v12 = Self(for: .v12)
     public static let v13 = Self(for: .v13)
     public static let v14 = Self(for: .v14)
-    @available(*, unavailable, message: "TabView is no longer backed by NSTabView starting macOS 15")
-    public static let v15 = Self.unavailable()
-    @available(*, unavailable, message: "TabView is no longer backed by NSTabView starting macOS 15")
-    public static let v26 = Self.unavailable()
+    public static let v15 = Self(for: .v15)
+    public static let v26 = Self(for: .v26)
 }
 #endif
 #endif

Tests/Tests/ViewTypes/TabViewTests.swift

@@ -45,5 +45,43 @@ struct TabViewTests {
             }
         }
     }
+
+    @available(tvOS, unavailable)
+    @Test func introspectWithNonRootPlacement() async throws {
+        try await introspection(of: PlatformTabView.self) { spy in
+            GroupBox {
+                TabView {
+                    ZStack {
+                        Color.red
+                        Text("Something")
+                    }
+                }
+                #if os(iOS) || os(tvOS)
+                .introspect(.tabView, on: .iOS(.v13, .v14, .v15, .v16, .v17, .v18, .v26), .tvOS(.v13, .v14, .v15, .v16, .v17, .v18, .v26), customize: spy)
+                #elseif os(macOS)
+                .introspect(.tabView, on: .macOS(.v10_15, .v11, .v12, .v13, .v14, .v15, .v26), customize: spy)
+                #endif
+            }
+        }
+    }
+
+    @available(tvOS, unavailable)
+    @Test func introspectWithNonRootPlacementAsAncestor() async throws {
+        try await introspection(of: PlatformTabView.self) { spy in
+            GroupBox {
+                TabView {
+                    ZStack {
+                        Color.red
+                        Text("Something")
+                            #if os(iOS) || os(tvOS)
+                            .introspect(.tabView, on: .iOS(.v13, .v14, .v15, .v16, .v17, .v18, .v26), .tvOS(.v13, .v14, .v15, .v16, .v17, .v18, .v26), scope: .ancestor, customize: spy)
+                            #elseif os(macOS)
+                            .introspect(.tabView, on: .macOS(.v10_15, .v11, .v12, .v13, .v14, .v15, .v26), scope: .ancestor, customize: spy)
+                            #endif
+                    }
+                }
+            }
+        }
+    }
 }
 #endif