Add all the available version check, allows for lower firmware deployment target version user

Author: dreampiggy

SDWebImageSwiftUI/Classes/AnimatedImage.swift

@@ -12,6 +12,7 @@ import SDWebImage
 #if os(iOS) || os(tvOS) || os(macOS)
 
 /// A coordinator object used for `AnimatedImage`native view  bridge for UIKit/AppKit/WatchKit.
+@available(iOS 13.0, OSX 10.15, tvOS 13.0, watchOS 6.0, *)
 public final class AnimatedImageCoordinator: NSObject {
 
     /// Any user-provided object for actual coordinator, such as delegate method, taget-action
@@ -22,6 +23,7 @@ public final class AnimatedImageCoordinator: NSObject {
 }
 
 /// Data Binding Object, only properties in this object can support changes from user with @State and refresh
+@available(iOS 13.0, OSX 10.15, tvOS 13.0, watchOS 6.0, *)
 final class AnimatedImageModel : ObservableObject {
     /// URL image
     @Published var url: URL?
@@ -36,6 +38,7 @@ final class AnimatedImageModel : ObservableObject {
 }
 
 /// Completion Handler Binding Object, supports dynamic @State changes
+@available(iOS 13.0, OSX 10.15, tvOS 13.0, watchOS 6.0, *)
 final class AnimatedImageHandler: ObservableObject {
     // Completion Handler
     @Published var successBlock: ((PlatformImage, SDImageCacheType) -> Void)?
@@ -47,6 +50,7 @@ final class AnimatedImageHandler: ObservableObject {
 }
 
 /// Layout Binding Object, supports dynamic @State changes
+@available(iOS 13.0, OSX 10.15, tvOS 13.0, watchOS 6.0, *)
 final class AnimatedImageLayout : ObservableObject {
     var contentMode: ContentMode?
     var aspectRatio: CGFloat?
@@ -58,6 +62,7 @@ final class AnimatedImageLayout : ObservableObject {
 }
 
 /// Configuration Binding Object, supports dynamic @State changes
+@available(iOS 13.0, OSX 10.15, tvOS 13.0, watchOS 6.0, *)
 final class AnimatedImageConfiguration: ObservableObject {
     var incrementalLoad: Bool?
     var maxBufferSize: UInt?
@@ -73,6 +78,7 @@ final class AnimatedImageConfiguration: ObservableObject {
 }
 
 /// A Image View type to load image from url, data or bundle. Supports animated and static image format.
+@available(iOS 13.0, OSX 10.15, tvOS 13.0, watchOS 6.0, *)
 public struct AnimatedImage : PlatformViewRepresentable {
     @ObservedObject var imageModel = AnimatedImageModel()
     @ObservedObject var imageHandler = AnimatedImageHandler()
@@ -444,6 +450,7 @@ public struct AnimatedImage : PlatformViewRepresentable {
 }
 
 // Layout
+@available(iOS 13.0, OSX 10.15, tvOS 13.0, watchOS 6.0, *)
 extension AnimatedImage {
 
     /// Configurate this view's image with the specified cap insets and options.
@@ -483,6 +490,7 @@ extension AnimatedImage {
 }
 
 // Aspect Ratio
+@available(iOS 13.0, OSX 10.15, tvOS 13.0, watchOS 6.0, *)
 extension AnimatedImage {
     /// Constrains this view's dimensions to the specified aspect ratio.
     /// - Parameters:
@@ -541,6 +549,7 @@ extension AnimatedImage {
 }
 
 // AnimatedImage Modifier
+@available(iOS 13.0, OSX 10.15, tvOS 13.0, watchOS 6.0, *)
 extension AnimatedImage {
 
     /// Total loop count for animated image rendering. Defaults to nil.
@@ -610,6 +619,7 @@ extension AnimatedImage {
 }
 
 // Completion Handler
+@available(iOS 13.0, OSX 10.15, tvOS 13.0, watchOS 6.0, *)
 extension AnimatedImage {
 
     /// Provide the action when image load fails.
@@ -641,6 +651,7 @@ extension AnimatedImage {
 }
 
 // View Coordinator Handler
+@available(iOS 13.0, OSX 10.15, tvOS 13.0, watchOS 6.0, *)
 extension AnimatedImage {
 
     /// Provide the action when view representable create the native view.
@@ -668,6 +679,7 @@ extension AnimatedImage {
 }
 
 // Web Image convenience
+@available(iOS 13.0, OSX 10.15, tvOS 13.0, watchOS 6.0, *)
 extension AnimatedImage {
 
     /// Associate a placeholder when loading image with url
@@ -695,6 +707,7 @@ extension AnimatedImage {
 }
 
 #if DEBUG
+@available(iOS 13.0, OSX 10.15, tvOS 13.0, watchOS 6.0, *)
 struct AnimatedImage_Previews : PreviewProvider {
     static var previews: some View {
         Group {

SDWebImageSwiftUI/Classes/ImageManager.swift

@@ -9,6 +9,7 @@
 import SwiftUI
 import SDWebImage
 
+@available(iOS 13.0, OSX 10.15, tvOS 13.0, watchOS 6.0, *)
 class ImageManager : ObservableObject {
     @Published var image: PlatformImage? // loaded image, note when progressive loading, this will published multiple times with different partial image
     @Published var isLoading: Bool = false // whether network is loading or cache is querying, should only be used for indicator binding

SDWebImageSwiftUI/Classes/ImageViewWrapper.swift

@@ -12,6 +12,7 @@ import SDWebImage
 #if os(iOS) || os(tvOS) || os(macOS)
 
 /// Use wrapper to solve tne `UIImageView`/`NSImageView` frame size become image size issue (SwiftUI's Bug)
+@available(iOS 13.0, OSX 10.15, tvOS 13.0, watchOS 6.0, *)
 public class AnimatedImageViewWrapper : PlatformView {
     var wrapped = SDAnimatedImageView()
     var interpolationQuality = CGInterpolationQuality.default
@@ -67,29 +68,33 @@ public class AnimatedImageViewWrapper : PlatformView {
     }
 }
 
-private var sd_imageNameKey: Void?
-private var sd_imageDataKey: Void?
+
 /// Store the Animated Image loading state, to avoid re-query duinrg `updateView(_:)` until Source of Truth changes
+@available(iOS 13.0, OSX 10.15, tvOS 13.0, watchOS 6.0, *)
 extension PlatformView {
+    static private var sd_imageNameKey: Void?
+    static private var sd_imageDataKey: Void?
+    
     var sd_imageName: String? {
         get {
-            objc_getAssociatedObject(self, &sd_imageNameKey) as? String
+            objc_getAssociatedObject(self, &UIView.sd_imageNameKey) as? String
         }
         set {
-            objc_setAssociatedObject(self, &sd_imageNameKey, newValue, .OBJC_ASSOCIATION_RETAIN_NONATOMIC)
+            objc_setAssociatedObject(self, &UIView.sd_imageNameKey, newValue, .OBJC_ASSOCIATION_RETAIN_NONATOMIC)
         }
     }
     var sd_imageData: Data? {
         get {
-            objc_getAssociatedObject(self, &sd_imageDataKey) as? Data
+            objc_getAssociatedObject(self, &UIView.sd_imageDataKey) as? Data
         }
         set {
-            objc_setAssociatedObject(self, &sd_imageDataKey, newValue, .OBJC_ASSOCIATION_RETAIN_NONATOMIC)
+            objc_setAssociatedObject(self, &UIView.sd_imageDataKey, newValue, .OBJC_ASSOCIATION_RETAIN_NONATOMIC)
         }
     }
 }
 
 /// Use wrapper to solve the `UIProgressView`/`NSProgressIndicator` frame origin NaN crash (SwiftUI's bug)
+@available(iOS 13.0, OSX 10.15, tvOS 13.0, watchOS 6.0, *)
 public class ProgressIndicatorWrapper : PlatformView {
     #if os(macOS)
     var wrapped = NSProgressIndicator()

SDWebImageSwiftUI/Classes/Indicator/ActivityIndicator.swift

@@ -10,6 +10,7 @@ import SwiftUI
 
 #if os(macOS) || os(iOS) || os(tvOS)
 /// An activity indicator (system style)
+@available(iOS 13.0, OSX 10.15, tvOS 13.0, watchOS 6.0, *)
 public struct ActivityIndicator: PlatformViewRepresentable {
     @Binding var isAnimating: Bool
     var style: Style
@@ -71,6 +72,7 @@ public struct ActivityIndicator: PlatformViewRepresentable {
     #endif
 }
 
+@available(iOS 13.0, OSX 10.15, tvOS 13.0, watchOS 6.0, *)
 extension ActivityIndicator {
     public enum Style {
         case medium

SDWebImageSwiftUI/Classes/Indicator/Indicator.swift

@@ -10,6 +10,7 @@ import Foundation
 import SwiftUI
 
 /// A  type to build the indicator
+@available(iOS 13.0, OSX 10.15, tvOS 13.0, watchOS 6.0, *)
 public struct Indicator<T> where T : View {
     var content: (Binding<Bool>, Binding<CGFloat>) -> T
 
@@ -26,6 +27,7 @@ public struct Indicator<T> where T : View {
 /// A implementation detail View Modifier with indicator
 /// SwiftUI View Modifier construced by using a internal View type which modify the `body`
 /// It use type system to represent the view hierarchy, and Swift `some View` syntax to hide the type detail for users
+@available(iOS 13.0, OSX 10.15, tvOS 13.0, watchOS 6.0, *)
 struct IndicatorViewModifier<T> : ViewModifier where T : View {
     @ObservedObject var imageManager: ImageManager
 
@@ -44,6 +46,7 @@ struct IndicatorViewModifier<T> : ViewModifier where T : View {
 }
 
 #if os(macOS) || os(iOS) || os(tvOS)
+@available(iOS 13.0, OSX 10.15, tvOS 13.0, watchOS 6.0, *)
 extension Indicator where T == ActivityIndicator {
     /// Activity Indicator
     public static var activity: Indicator {
@@ -61,6 +64,7 @@ extension Indicator where T == ActivityIndicator {
     }
 }
 
+@available(iOS 13.0, OSX 10.15, tvOS 13.0, watchOS 6.0, *)
 extension Indicator where T == ProgressIndicator {
     /// Progress Indicator
     public static var progress: Indicator {

SDWebImageSwiftUI/Classes/Indicator/ProgressIndicator.swift

@@ -10,6 +10,7 @@ import SwiftUI
 
 #if os(macOS) || os(iOS) || os(tvOS)
 /// A progress bar indicator (system style)
+@available(iOS 13.0, OSX 10.15, tvOS 13.0, watchOS 6.0, *)
 public struct ProgressIndicator: PlatformViewRepresentable {
     @Binding var isAnimating: Bool
     @Binding var progress: CGFloat
@@ -101,6 +102,7 @@ public struct ProgressIndicator: PlatformViewRepresentable {
     #endif
 }
 
+@available(iOS 13.0, OSX 10.15, tvOS 13.0, watchOS 6.0, *)
 extension ProgressIndicator {
     public enum Style {
         case `default`

SDWebImageSwiftUI/Classes/SDWebImageSwiftUI.swift

@@ -10,11 +10,14 @@ import Foundation
 import SwiftUI
 
 #if os(macOS)
+@available(iOS 13.0, OSX 10.15, tvOS 13.0, watchOS 6.0, *)
 public typealias PlatformImage = NSImage
 #else
+@available(iOS 13.0, OSX 10.15, tvOS 13.0, watchOS 6.0, *)
 public typealias PlatformImage = UIImage
 #endif
 
+@available(iOS 13.0, OSX 10.15, tvOS 13.0, watchOS 6.0, *)
 extension Image {
     init(platformImage: PlatformImage) {
         #if os(macOS)
@@ -26,21 +29,27 @@ extension Image {
 }
 
 #if os(macOS)
+@available(iOS 13.0, OSX 10.15, tvOS 13.0, watchOS 6.0, *)
 public typealias PlatformView = NSView
 #endif
 #if os(iOS) || os(tvOS)
+@available(iOS 13.0, OSX 10.15, tvOS 13.0, watchOS 6.0, *)
 public typealias PlatformView = UIView
 #endif
 #if os(watchOS)
+@available(iOS 13.0, OSX 10.15, tvOS 13.0, watchOS 6.0, *)
 public typealias PlatformView = WKInterfaceObject
 #endif
 
 #if os(macOS)
+@available(iOS 13.0, OSX 10.15, tvOS 13.0, watchOS 6.0, *)
 public typealias PlatformViewRepresentable = NSViewRepresentable
 #endif
 #if os(iOS) || os(tvOS)
+@available(iOS 13.0, OSX 10.15, tvOS 13.0, watchOS 6.0, *)
 public typealias PlatformViewRepresentable = UIViewRepresentable
 #endif
 #if os(watchOS)
+@available(iOS 13.0, OSX 10.15, tvOS 13.0, watchOS 6.0, *)
 public typealias PlatformViewRepresentable = WKInterfaceObjectRepresentable
 #endif

SDWebImageSwiftUI/Classes/Transition/Transition.swift

@@ -8,6 +8,7 @@
 
 import SwiftUI
 
+@available(iOS 13.0, OSX 10.15, tvOS 13.0, watchOS 6.0, *)
 extension AnyTransition {
 
     /// Fade-in transition

SDWebImageSwiftUI/Classes/WebImage.swift

@@ -9,7 +9,8 @@
 import SwiftUI
 import SDWebImage
 
-/// A Image View type to load image from url. Supports static image format.
+/// A Image View type to load image from url. Supports static/animated image format.
+@available(iOS 13.0, OSX 10.15, tvOS 13.0, watchOS 6.0, *)
 public struct WebImage : View {
     var configurations: [(Image) -> Image] = []
 
@@ -90,6 +91,7 @@ public struct WebImage : View {
 }
 
 // Layout
+@available(iOS 13.0, OSX 10.15, tvOS 13.0, watchOS 6.0, *)
 extension WebImage {
     func configure(_ block: @escaping (Image) -> Image) -> WebImage {
         var result = self
@@ -127,6 +129,7 @@ extension WebImage {
 }
 
 // Completion Handler
+@available(iOS 13.0, OSX 10.15, tvOS 13.0, watchOS 6.0, *)
 extension WebImage {
 
     /// Provide the action when image load fails.
@@ -158,6 +161,7 @@ extension WebImage {
 }
 
 // WebImage Modifier
+@available(iOS 13.0, OSX 10.15, tvOS 13.0, watchOS 6.0, *)
 extension WebImage {
 
     /// Associate a placeholder when loading image with url
@@ -198,6 +202,7 @@ extension WebImage {
 }
 
 // Indicator
+@available(iOS 13.0, OSX 10.15, tvOS 13.0, watchOS 6.0, *)
 extension WebImage {
 
     /// Associate a indicator when loading image with url
@@ -214,6 +219,7 @@ extension WebImage {
 }
 
 // Animated Image support (Beta)
+@available(iOS 13.0, OSX 10.15, tvOS 13.0, watchOS 6.0, *)
 extension WebImage {
 
     /// Make the image to support animated images. The animation will start when view appears, and pause when disappears.
@@ -259,6 +265,7 @@ extension WebImage {
 }
 
 #if DEBUG
+@available(iOS 13.0, OSX 10.15, tvOS 13.0, watchOS 6.0, *)
 struct WebImage_Previews : PreviewProvider {
     static var previews: some View {
         Group {