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RxSwift | Reactive Programming in Swift | Reactive Programming library

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kandi X-RAY | RxSwift Summary

RxSwift is a Swift library typically used in Programming Style, Reactive Programming applications. RxSwift has no bugs, it has no vulnerabilities and it has medium support. However RxSwift has a Non-SPDX License. You can download it from GitHub.
Rx is a generic abstraction of computation expressed through Observable<Element> interface, which lets you broadcast and subscribe to values and other events from an Observable stream. RxSwift is the Swift-specific implementation of the Reactive Extensions standard. While this version aims to stay true to the original spirit and naming conventions of Rx, this projects also aims to provide a true Swift-first API for Rx APIs. Cross platform documentation can be found on ReactiveX.io. Like other Rx implementation, RxSwift's intention is to enable easy composition of asynchronous operations and streams of data in the form of Observable objects and a suite of methods to transform and compose these pieces of asynchronous work. KVO observation, async operations, UI Events and other streams of data are all unified under abstraction of sequence. This is the reason why Rx is so simple, elegant and powerful.

kandi-support Support

  • RxSwift has a medium active ecosystem.
  • It has 22027 star(s) with 3915 fork(s). There are 544 watchers for this library.
  • There were 1 major release(s) in the last 6 months.
  • There are 7 open issues and 1159 have been closed. On average issues are closed in 63 days. There are 5 open pull requests and 0 closed requests.
  • It has a neutral sentiment in the developer community.
  • The latest version of RxSwift is 6.5.0

quality kandi Quality

  • RxSwift has 0 bugs and 0 code smells.

securitySecurity

  • RxSwift has no vulnerabilities reported, and its dependent libraries have no vulnerabilities reported.
  • RxSwift code analysis shows 0 unresolved vulnerabilities.
  • There are 0 security hotspots that need review.

license License

  • RxSwift has a Non-SPDX License.
  • Non-SPDX licenses can be open source with a non SPDX compliant license, or non open source licenses, and you need to review them closely before use.

buildReuse

  • RxSwift releases are available to install and integrate.
  • Installation instructions, examples and code snippets are available.
  • It has 56337 lines of code, 0 functions and 79 files.
  • It has low code complexity. Code complexity directly impacts maintainability of the code.
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RxSwift Key Features

Reactive Programming in Swift

RxSwift Examples and Code Snippets

  • I came here because I want to ...
  • Usage
  • Manual
  • XCFrameworks
  • Manually using git submodules
  • How to reset and start new timer when enter new email
  • RxSwift | Best way to make consecutive network requests?
  • Observe an RxSwift.BehaviorRelay just **before** a change happens
  • How to writ good test for my ViewModel? (RxSwift)
  • What is &quot;Pod/***.a Pod/**.dia&quot; file?
  • How to use RxSwift to implement the following logic with UITextfield?
  • RxSwift/RxTest How to test async function with Observable return
  • Swift 5, RxSwift: Network request with RxSwift
  • Combine - merging multiple shared filters
  • How can execute operations sequentially and update UI

I came here because I want to ...

┌──────────────┐    ┌──────────────┐
│   RxCocoa    ├────▶   RxRelay    │
└───────┬──────┘    └──────┬───────┘
        │                  │        
┌───────▼──────────────────▼───────┐
│             RxSwift              │
└───────▲──────────────────▲───────┘
        │                  │        
┌───────┴──────┐    ┌──────┴───────┐
│    RxTest    │    │  RxBlocking  │
└──────────────┘    └──────────────┘

Community Discussions

Trending Discussions on RxSwift
  • How to reset and start new timer when enter new email
  • RxSwift | Best way to make consecutive network requests?
  • RxSwift Countdown time up to 0.1 seconds
  • Observe an RxSwift.BehaviorRelay just **before** a change happens
  • How to writ good test for my ViewModel? (RxSwift)
  • I have 2 view controllers with same logic but one of them is not working
  • What is &quot;Pod/***.a Pod/**.dia&quot; file?
  • How to use RxSwift to implement the following logic with UITextfield?
  • RxSwift/RxTest How to test async function with Observable return
  • Swift 5, RxSwift: Network request with RxSwift
Trending Discussions on RxSwift

QUESTION

How to reset and start new timer when enter new email

Asked 2022-Apr-01 at 23:25

I have an input that accept string, and store it in local data. My use case is when I enter an email, the user must wait for 2 minute for requesting send email verification. But when I enter a different email name, I can't make the timer reset when the last email I enter is still countdown. I'm using RxSwift for timer, I don't know how to invalidate the timer in RxSwift.

This is what I came so far to reset the timer when user enters new email

// function that accept email from uitextfield.text
func resendEmailCountdown(with email: String) {
        if email != getLoggedEmail() {
            startCountdown(countdown: 0)
            startCountdown(countdown: 120)
        } else {
            startCountdown(countdown: 120)
        }
    }
    
    private func startCountdown(countdown: Int) {
        let counter = countdown
        if counter == 0 {
            _ = Observable<Int>.timer(.seconds(0), period: .seconds(1), scheduler: MainScheduler.instance)
                .take(0)
                .subscribe(onNext: { [weak self] countdown in
                    guard let self = self else { return }
                    
                }).disposed(by: disposeBag)
        } else {
            _ = Observable<Int>.timer(.seconds(0), period: .seconds(1), scheduler: MainScheduler.instance)
                .take(counter + 1)
                .subscribe(onNext: { [weak self] countdown in
                    guard let self = self else { return }
                    let count = counter - countdown
                    if count != 0 {
                        self.eventResendEmailCountdown.onNext(count)
                        self.eventShowHideResendEmailButton.onNext(false)
                    } else {
                        self.eventShowHideResendEmailButton.onNext(true)
                        self.eventDismissCountdownBottomSheet.onNext(())
                    }
                }).disposed(by: disposeBag)
        }
        
    }

ANSWER

Answered 2022-Apr-01 at 23:25

The key is using flatMapLatest to cancel the previous timer and start up a new one.

Based on your description, here is what you need:

struct Output {
    let eventResendEmailCountdown: Observable<Int>
    let eventShowHideResendEmailButton: Observable<Bool>
    let eventDismissCountdownBottomSheet: Observable<Void>
}

func example(text: Observable<String?>) -> Output {
    let trigger = text.share()
    let eventResendEmailCountdown = trigger
        .flatMapLatest { _ in
            Observable<Int>.interval(.seconds(1), scheduler: MainScheduler.instance)
                .map { 120 - $0 }
                .take(until: { $0 == -1 })
        }
    let eventShowHideResendEmailButton = Observable.merge(
        trigger.map { _ in false },
        eventResendEmailCountdown.filter { $0 == 0 }.map { _ in true }
    )
    let eventDismissCountdownBottomSheet = eventResendEmailCountdown
        .filter { $0 == 0 }
        .map { _ in }

    return Output(
        eventResendEmailCountdown: eventResendEmailCountdown,
        eventShowHideResendEmailButton: eventShowHideResendEmailButton,
        eventDismissCountdownBottomSheet: eventDismissCountdownBottomSheet
    )
}

Call it something like this:

let output = example(text: textField.rx.text.asObservable())

output.eventResendEmailCountdown
    .debug("eventResendEmailCountdown")
    .subscribe()

output.eventShowHideResendEmailButton
    .debug("eventShowHideResendEmailButton")
    .subscribe()

output.eventDismissCountdownBottomSheet
    .debug("eventDismissCountdownBottomSheet")
    .subscribe()

Source https://stackoverflow.com/questions/71708492

Community Discussions, Code Snippets contain sources that include Stack Exchange Network

Vulnerabilities

No vulnerabilities reported

Install RxSwift

RxSwift doesn't contain any external dependencies.

Support

For any new features, suggestions and bugs create an issue on GitHub. If you have any questions check and ask questions on community page Stack Overflow .

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