RxKingfisher

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RxKingfisher is a Reactive Extension for <a href="https://github.com/onevcat/Kingfisher" target="_blank">Kingfisher</a> - a lightweight, pure-Swift library for downloading and caching images from the web.

<p align="center"><img src="https://raw.githubusercontent.com/RxSwiftCommunity/RxKingfisher/main/Images/example.gif" alt="RxKingfisher Example" title="RxKingfisher Example" /></a>

It provides Reactive Extensions on top of Kingfisher's .kf namespace, via .kf.rx and introduces two main usages:

Bind URL to Image View by Resource or Source

Every Image view supports two different options for binding a URL to an Image view.

swiftCopy
optionSelected // Observable<Resource> or Observable<Source>
    .bind(to: image.kf.rx.image(options: [.transition(.fade(0.2))])
    .disposed(by: disposeBag)

OR

swiftCopy
optionSelected // Observable<Resource> or Observable<Source>    
    .flatMap { url in imageView.kf.rx.setImage(with: url, options: [.transition(.fade(0.2))]) }
    .subscribe(onNext: { image in
        print("Image successfully loaded and set on Image view: \(image)")
    })
    .disposed(by: disposeBag)

Refer

URL is implementing Resource (See Kingfisher.Resource.swift)

Retrieve an Image without an Image View

Every KingfisherManager supports fetching an image from a URL, returning a Single<Image>:

swiftCopy
tappedButton
    .flatMapLatest { KingfisherManager.shared.rx.retrieveImage(with: urlToImage) }
    .subscribe(onNext: { image in
        print("Image successfully loaded: \(image)")
    })
    .disposed(by: disposeBag)

License

RxKingfisher is released under the MIT license. See LICENSE for details.