RxBlocking 4.0.0

RxBlocking 4.0.0

TestsTested
LangLanguage SwiftSwift
License MIT
ReleasedLast Release Oct 2017
SwiftSwift Version 4.0
SPMSupports SPM

Maintained by Krunoslav Zaher.


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  • By
  • Krunoslav Zaher

Miss Electric Eel 2016 RxSwift: ReactiveX for Swift

Rx is a generic abstraction of computation expressed through Observable<Element> interface.

This is a Swift version of Rx.

It tries to port as many concepts from the original version as possible, but some concepts were adapted for more pleasant and performant integration with iOS/macOS environment.

Cross platform documentation can be found on ReactiveX.io.

Like the original Rx, its intention is to enable easy composition of asynchronous operations and event/data streams.

KVO observing, async operations and streams are all unified under abstraction of sequence. This is the reason why Rx is so simple, elegant and powerful.

I came here because I want to ...

... understand
... install
... hack around
... interact
... compare
... find compatible
... see the broader vision
  • Does this exist for Android? RxJava
  • Where is all of this going, what is the future, what about reactive architectures, how do you design entire apps this way? Cycle.js - this is javascript, but RxJS is javascript version of Rx.

Usage

Here's an example In Action
Define search for GitHub repositories ...
let searchResults = searchBar.rx.text.orEmpty
    .throttle(0.3, scheduler: MainScheduler.instance)
    .distinctUntilChanged()
    .flatMapLatest { query -> Observable<[Repository]> in
        if query.isEmpty {
            return .just([])
        }
        return searchGitHub(query)
            .catchErrorJustReturn([])
    }
    .observeOn(MainScheduler.instance)
... then bind the results to your tableview
searchResults
    .bind(to: tableView.rx.items(cellIdentifier: "Cell")) {
        (index, repository: Repository, cell) in
        cell.textLabel?.text = repository.name
        cell.detailTextLabel?.text = repository.url
    }
    .disposed(by: disposeBag)

Requirements

Installation

Rx doesn't contain any external dependencies.

These are currently the supported options:

Manual

Open Rx.xcworkspace, choose RxExample and hit run. This method will build everything and run the sample app

Swift Package Manager

Tested with swift build --version: 3.0.0 (swiftpm-19)

Create a Package.swift file.

import PackageDescription

let package = Package(
    name: "RxTestProject",
    targets: [],
    dependencies: [
        .Package(url: "https://github.com/ReactiveX/RxSwift.git", majorVersion: 3)
    ]
)
$ swift build

To build or test a module with RxTest dependency, set TEST=1. (RxSwift >= 3.4.2)

$ TEST=1 swift test

Manually using git submodules

  • Add RxSwift as a submodule
$ git submodule add [email protected]:ReactiveX/RxSwift.git
  • Drag Rx.xcodeproj into Project Navigator
  • Go to Project > Targets > Build Phases > Link Binary With Libraries, click + and select RxSwift-[Platform] and RxCocoa-[Platform] targets

References