Add default component using Nuke

Sources/AsyncMultiplexImage-Nuke/AsyncMultiplexImageNuke.swift

@@ -0,0 +1,44 @@
+import AsyncMultiplexImage
+import SwiftUI
+
+public struct AsyncMultiplexImageNuke: View {
+
+  public let image: MultiplexImage
+
+  public init(image: MultiplexImage) {
+    self.image = image
+  }
+
+  public var body: some View {
+    AsyncMultiplexImage(
+      multiplexImage: image,
+      downloader: AsyncMultiplexImageNukeDownloader(pipeline: .shared, debugDelay: 0)
+    ) { phase in
+      Group {
+        switch phase {
+        case .empty:
+          Rectangle()
+            .foregroundColor(Color.init(.displayP3, white: 0.9, opacity: 1))
+        case .progress(let image):
+          image
+            .resizable()
+            .scaledToFill()
+            .transition(.opacity.animation(.bouncy))
+        case .success(let image):
+          image
+            .resizable()
+            .scaledToFill()
+            .transition(.opacity.animation(.bouncy))
+        case .failure:
+          Rectangle()
+            .foregroundColor(Color.init(.displayP3, white: 0.9, opacity: 1))
+        }
+      }
+    }
+  }
+
+}
+
+#Preview {
+  AsyncMultiplexImageNuke(image: .init(constant: URL(string: "https://images.unsplash.com/photo-1492446845049-9c50cc313f00?ixlib=rb-1.2.1&ixid=MnwxMjA3fDB8MHxwaG90by1wYWdlfHx8fGVufDB8fHx8")!))
+}

Sources/AsyncMultiplexImage-Nuke/AsyncMultiplexImageNukeDownloader.swift

@@ -16,9 +16,10 @@ public struct AsyncMultiplexImageNukeDownloader: AsyncMultiplexImageDownloader {
     self.debugDelay = debugDelay
   }
 
-  public func download(candidate: AsyncMultiplexImageCandidate, displaySize: CGSize) async throws
-    -> UIImage
-  {
+  public func download(
+    candidate: AsyncMultiplexImageCandidate,
+    displaySize: CGSize
+  ) async throws -> UIImage {
 
     #if DEBUG
 

Sources/AsyncMultiplexImage/AsyncMultiplexImage.swift

@@ -93,33 +93,6 @@ public struct AsyncMultiplexImageCandidate: Hashable {
 
 }
 
-public struct MultiplexImage: Hashable {
-
-  public static func == (lhs: MultiplexImage, rhs: MultiplexImage) -> Bool {
-    lhs.identifier == rhs.identifier
-  }
-
-  public func hash(into hasher: inout Hasher) {
-    identifier.hash(into: &hasher)
-  }
-
-  public let identifier: String
-
-  private(set) var _urlsProvider: @MainActor (CGSize) -> [URL]
-
-  public init(
-    identifier: String,
-    urlsProvider: @escaping @MainActor (CGSize) -> [URL]
-  ) {
-    self.identifier = identifier
-    self._urlsProvider = urlsProvider
-  }
-
-  public init(identifier: String, urls: [URL]) {
-    self.init(identifier: identifier, urlsProvider: { _ in urls })
-  }
-
-}
 
 public struct AsyncMultiplexImage<Content: View, Downloader: AsyncMultiplexImageDownloader>: View {
 

Sources/AsyncMultiplexImage/MultiplexImage.swift

@@ -0,0 +1,38 @@
+import Foundation
+
+public struct MultiplexImage: Hashable {
+
+  public static func == (lhs: MultiplexImage, rhs: MultiplexImage) -> Bool {
+    lhs.identifier == rhs.identifier
+  }
+
+  public func hash(into hasher: inout Hasher) {
+    identifier.hash(into: &hasher)
+  }
+
+  public let identifier: String
+
+  private(set) var _urlsProvider: @MainActor (CGSize) -> [URL]
+
+  public init(
+    identifier: String,
+    urlsProvider: @escaping @MainActor (CGSize) -> [URL]
+  ) {
+    self.identifier = identifier
+    self._urlsProvider = urlsProvider
+  }
+
+  public init(identifier: String, urls: [URL]) {
+    self.init(identifier: identifier, urlsProvider: { _ in urls })
+  }
+
+}
+
+// MARK: convenience init
+extension MultiplexImage {
+
+  public init(constant: URL) {
+    self.identifier = constant.absoluteString
+    self._urlsProvider = { _ in [constant] }
+  }
+}