Fix visionOS build

Author: danielsaidi

Sources/SwiftUIKit/Colors/ColorRepresentable.swift

@@ -16,7 +16,7 @@ import class AppKit.NSColor
 public typealias ColorRepresentable = NSColor
 #endif
 
-#if os(iOS) || os(tvOS) || os(watchOS)
+#if canImport(UIKit)
 import class UIKit.UIColor
 
 /**

Sources/SwiftUIKit/Fonts/FontRepresentable.swift

@@ -16,7 +16,7 @@ import class AppKit.NSFont
 public typealias FontRepresentable = NSFont
 #endif
 
-#if os(iOS) || os(tvOS) || os(watchOS)
+#if canImport(UIKit)
 import class UIKit.UIFont
 
 /**

Sources/SwiftUIKit/Gestures/SwipeGestureViewModifier.swift

@@ -6,7 +6,7 @@
 //  Copyright © 2020-2024 Daniel Saidi. All rights reserved.
 //
 
-#if os(iOS) || os(macOS) || os(watchOS)
+#if os(iOS) || os(macOS) || os(watchOS) || os(visionOS)
 import SwiftUI
 
 /**

Sources/SwiftUIKit/Images/ImageRepresentable.swift

@@ -32,9 +32,9 @@ public extension Image {
 
     /// Create an image from a certain ``ImageRepresentable``.
     init(image: ImageRepresentable) {
-        #if os(iOS) || os(watchOS) || os(tvOS)
+        #if canImport(UIKit)
         self.init(uiImage: image)
-        #elseif os(macOS)
+        #elseif canImport(AppKit)
         self.init(nsImage: image)
         #endif
     }

Sources/SwiftUIKit/Pages/PageIndicatorDisplayMode.swift

@@ -21,11 +21,11 @@ public enum PageIndicatorDisplayMode {
     case never
 }
 
-#if os(iOS) || os(tvOS) || os(watchOS)
+#if os(iOS) || os(tvOS) || os(watchOS) || os(visionOS)
 extension PageIndicatorDisplayMode {
 
     var tabViewMode: PageTabViewStyle.IndexDisplayMode {
-        #if os(iOS) || os(tvOS)
+        #if os(iOS) || os(tvOS) || os(visionOS)
         switch self {
         case .always: return .always
         case .automatic: return .automatic

Sources/SwiftUIKit/Pages/PageView.swift

@@ -6,7 +6,7 @@
 //  Copyright © 2020-2024 Daniel Saidi. All rights reserved.
 //
 
-#if os(iOS) || os(tvOS) || os(watchOS)
+#if os(iOS) || os(tvOS) || os(watchOS) || os(visionOS)
 import SwiftUI
 
 /**

Sources/SwiftUIKit/Text/MultilineSubmitViewModifier.swift

@@ -43,13 +43,19 @@ public struct MultilineSubmitViewModifier: ViewModifier {
         content
             .focused($isFocused)
             .submitLabel(submitLabel)
-            .onChange(of: text) { newValue in
-                guard isFocused else { return }
-                guard newValue.contains("\n") else { return }
-                isFocused = false
-                text = newValue.replacingOccurrences(of: "\n", with: "")
-                onSubmit()
-            }
+            #if os(visionOS)
+            .onChange(of: text) { handle($1) }
+            #else
+            .onChange(of: text) { handle($0) }
+            #endif
+    }
+    
+    private func handle(_ newText: String) {
+        guard isFocused else { return }
+        guard newText.contains("\n") else { return }
+        isFocused = false
+        text = newText.replacingOccurrences(of: "\n", with: "")
+        onSubmit()
     }
 }