RxCombine provides bi-directional type bridging between RxSwift and Apple's Combine framework.
Note: This is highly experimental, and basically just a quickly-put-together PoC. I gladly accept PRs, ideas, opinions, or improvements. Thank you ! :)
Check out the Example App in the ExampleApp folder. Run pod install before opening the project.
Add the following line to your Podfile:
pod 'RxCombine'Add the following dependency to your Package.swift file:
.package(url: "https://github.com/CombineCommunity/RxCombine.git", from: "1.6.0")Carthage support is offered as a prebuilt binary.
Add the following to your Cartfile:
github "CombineCommunity/RxCombine"
RxCombine provides several helpers and conversions to help you bridge your existing RxSwift types to Combine.
Note: If you want to learn more about the parallel operators in Combine from RxSwift, check out my RxSwift to Combine Cheat Sheet (or on GitHub).
Observable(and otherObservableConvertibleTypes) have apublisherproperty which returns aAnyPublisher<Element, Swift.Error>mirroring the underlyingObservable.
let observable = Observable.just("Hello, Combine!")
observable
.publisher // AnyPublisher<String, Swift.Error>
.sink(receiveValue: { value in ... })RelaysandSubjectscan be converted to their Combine-counterparts using thetoCombine()method, so you can use them as if they are regular Combine Subjects, and have them connected to your existing subjects.
let relay = BehaviorRelay<Int>(value: 0)
// Use `sink` on RxSwift relay
let combineSubject = relay.toCombine()
combineSubject.sink(receiveValue: { value in ... })
// Use `send(value:)` on RxSwift relay
combineSubject.send(1)
combineSubject.send(2)
combineSubject.send(3)RxCombine provides several helpers and conversions to help you bridge Combine code and types into your existing RxSwift codebase.
Publishers have aasObservable()method, providing anObservable<Output>mirroring the underlyingPublisher.
// A publisher publishing numbers from 0 to 100.
let publisher = AnyPublisher<Int, Swift.Error> { subscriber in
(0...100).forEach { _ = subscriber.receive($0) }
subscriber.receive(completion: .finished)
}
publisher
.asObservable() // Observable<Int>
.subscribe(onNext: { num in ... })PassthroughSubjectandCurrentValueSubjectboth have aasAnyObserver()method which returns aAnyObserver<Output>. Binding to it from your RxSwift code pushes the events to the underlying Combine Subject.
// Combine Subject
let subject = PassthroughSubject<Int, Swift.Error>()
// A publisher publishing numbers from 0 to 100.
let publisher = AnyPublisher<Int, Swift.Error> { subscriber in
(0...100).forEach { _ = subscriber.receive($0) }
subscriber.receive(completion: .finished)
}
// Convert a Publisher to an Observable and bind it
// back to a Combine Subject 🤯🤯🤯
publisher.asObservable()
.bind(to: subject)
Observable.of(10, 5, 7, 4, 1, 6)
.subscribe(subject.asAnyObserver())Add CI / TestsCarthage Support- Bridge SwiftUI with RxCocoa/RxSwift
Partial Backpressure support, perhaps?- ... your ideas? :)
MIT, of course ;-) See the LICENSE file.
The Apple logo and the Combine framework are property of Apple Inc.
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