ivanbruel · May 6, 2025 11:19 · DazChong · Jun 11, 2019
diff --git a/NetworkImage.swift b/NetworkImage.swift
 import SwiftUI
 import Kingfisher
 import UIKit

 public struct NetworkImage: SwiftUI.View {

  // swiftlint:disable:next redundant_optional_initialization
  @State private var image: UIImage? = nil

  public let imageURL: URL?
  public let placeholderImage: UIImage
  public let animation: Animation = .basic()

  public var body: some SwiftUI.View {
    Image(uiImage: image ?? placeholderImage)
      .resizable()
      .onAppear(perform: loadImage)
      .transition(.opacity)
      .id(image ?? placeholderImage)
  }

  private func loadImage() {
    guard let imageURL = imageURL, image == nil else { return }
    KingfisherManager.shared.retrieveImage(with: imageURL) { result in
      switch result {
      case .success(let imageResult):
        withAnimation(self.animation) {
          self.image = imageResult.image
        }
      case .failure:
        break
      }
    }
  }
 }

 #if DEBUG
 // swiftlint:disable:next type_name
 struct NetworkImage_Previews: PreviewProvider {
  static var previews: some SwiftUI.View {
    NetworkImage(imageURL: URL(string: "https://www.apple.com/favicon.ico")!,
                 placeholderImage: UIImage(systemName: "bookmark")!)
  }
 }
 #endif
	import SwiftUI
	import Kingfisher
	import UIKit

	public struct NetworkImage: SwiftUI.View {

	// swiftlint:disable:next redundant_optional_initialization
	@State private var image: UIImage? = nil

	public let imageURL: URL?
	public let placeholderImage: UIImage
	public let animation: Animation = .basic()

	public var body: some SwiftUI.View {
	Image(uiImage: image ?? placeholderImage)
	.resizable()
	.onAppear(perform: loadImage)
	.transition(.opacity)
	.id(image ?? placeholderImage)
	}

	private func loadImage() {
	guard let imageURL = imageURL, image == nil else { return }
	KingfisherManager.shared.retrieveImage(with: imageURL) { result in
	switch result {
	case .success(let imageResult):
	withAnimation(self.animation) {
	self.image = imageResult.image
	}
	case .failure:
	break
	}
	}
	}
	}

	#if DEBUG
	// swiftlint:disable:next type_name
	struct NetworkImage_Previews: PreviewProvider {
	static var previews: some SwiftUI.View {
	NetworkImage(imageURL: URL(string: "https://www.apple.com/favicon.ico")!,
	placeholderImage: UIImage(systemName: "bookmark")!)
	}
	}
	#endif