Add Xcode Library support for better code completion

Author: LiYanan2004

Sources/Haptics/Haptics+XcodeLibrary.swift

@@ -0,0 +1,26 @@
+import SwiftUI
+
+/// Makes `Haptics` view modifier available to Xcode's library,
+/// allowing for improved auto-complete and discoverability.
+public struct HapticsLibrary: LibraryContentProvider {
+    @State var status: Status = .unknown
+    
+    #if os(iOS)
+    let generalHapticType = UIImpactFeedbackGenerator.FeedbackStyle.light
+    #elseif os(watchOS)
+    let generalHapticType = WKHapticType.click
+    #endif
+    
+    @LibraryContentBuilder
+    public func modifiers(base: any View) -> [LibraryItem] {
+        LibraryItem(base.haptics(onChangeOf: status, type: generalHapticType), title: "General Haptic")
+        LibraryItem(base.haptics(when: status, equalsTo: .success, type: .success), title: "Conditional Haptics")
+    }
+    
+    enum Status: Int {
+        case unknown = 0
+        case success = 1
+        case failure = 2
+    }
+}
+