// UIImageViewExtensions.swift - Copyright 2024 SwifterSwift
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#if canImport(UIKit) && !os(watchOS)
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import UIKit
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// MARK: - Methods
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public extension UIImageView {
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/// SwifterSwift: Set image from a URL.
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///
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/// - Parameters:
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/// - url: URL of image.
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/// - contentMode: imageView content mode (default is .scaleAspectFit).
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/// - placeHolder: optional placeholder image
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/// - completionHandler: optional completion handler to run when download finishes (default is nil).
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@available(iOS 13.0, macCatalyst 13.1, tvOS 13.0, *)
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func download(
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from url: URL,
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contentMode: UIView.ContentMode = .scaleAspectFit,
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placeholder: UIImage? = nil,
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completionHandler: (@MainActor (UIImage?) -> Void)? = nil) {
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image = placeholder
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self.contentMode = contentMode
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URLSession.shared.dataTask(with: url) { data, response, _ in
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guard
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let httpURLResponse = response as? HTTPURLResponse, httpURLResponse.statusCode == 200,
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let mimeType = response?.mimeType, mimeType.hasPrefix("image"),
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let data,
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let image = UIImage(data: data) else {
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Task {
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await completionHandler?(nil)
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}
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return
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}
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DispatchQueue.main.async { [unowned self] in
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self.image = image
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completionHandler?(image)
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}
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}.resume()
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}
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}
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#endif
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