swift-async-algorithms
swift-composable-architecture
swift-async-algorithms | swift-composable-architecture | |
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6 | 59 | |
2,785 | 11,409 | |
1.2% | 3.4% | |
6.6 | 9.6 | |
15 days ago | 7 days ago | |
Swift | Swift | |
Apache License 2.0 | MIT License |
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swift-async-algorithms
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Swift Concurrency: Sequential Async Task Architecture
Last weekend, I started reading up on Swift Concurrency through the use of async-await, actors, etc... I really liked what I read and thought of converting my current code to use these new Swift Concurrency tools and ditch the GCD. I used continuation to convert all methods with completion handlers from the Device class to async throw methods and turned Device into an actor in order to protect some members from race conditions. Once more, I am faced with the issue of calling the async methods of the Device actor one by one (waiting for each ones completion before starting the next one). I spent a lot of time thinking on how to do this and came across a number of useful references such as this one and this one. I tried to think of ways of implementing such a channel in my controller class, to guarantee sequential execution of different tasks that require the underlying library, but I'm facing a few issues with this approach:
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Let's do a quick poll: Async/Await vs Combine in your codebase going forward
AsyncStreams also now has the associated AsyncAlgorithms library https://github.com/apple/swift-async-algorithms which covers a lot of the Combine features (debounce, merge zip etc.)
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XCTest: How do you test async fuctnions?
You might find the treasure trove known as Swift Async Algorithms and look at their test suite.
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Functional Reactive Programming
https://github.com/apple/swift-async-algorithms
Requires Xcode 14, which is still in beta and cannot push to the App Store.
Also, Apple fucked their back port badly. It’s supposedly fixed now, but if you built an app that used async/await anywhere in Xcode 13.X and a user installed running iOS 12/13/up to 14.5 they’d crash on launch.
So I personally wouldn’t trust it, and instead just push to raise your iOS minimum. I’ve had no problems requiring iOS15 in my projects over 1M installs
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Anyone know how to create a collection view using RxSwift? I can't seem to find a tutorial on how to create a basic collection view in RxSwift, was able to find ones for Table View though. Appreciate your help!
Asynchronicity is only one aspect of Functional Reactive Programming. You’re comparing single values vs. multiple values. AsyncStream is a better analog, but I’m pretty sure you still need to bring in swift-async-algorithms to have an apples-to-apples comparison.
- SwiftUI in 2022
swift-composable-architecture
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Kaleidoscope of iOS app architectures
TCA for short. Very scalable, quite promising, quite popular. A decent alternative for MVVM enhanced by the Clean Architecture. You can learn more about it in a Point-Free tutorial and on GitHub.
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My largest project yet: A fully themable, powerful task manager and daily planner built with SwiftUI. Available on iPhone and iPad for free (no ads, IAP or data collected).
🙏 Built with SwiftUI and The Composable Architecture (TCA): This isn’t a feature, but I just want to express my gratitude to the creators and maintainers of these two frameworks, which have played a huge part in making me fall in love with iOS development.
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Koji je vas odnos prema alternativnim hype-ovanim paradimama programiranja, frameworcima i tehnologijama?
Razliciti alternativni frameworci i arhitekture - Recimo, na pamet mi padaju Composable Architecture (https://github.com/pointfreeco/swift-composable-architecture) i RIBs arhitektura (https://github.com/uber/RIBs). Ok, ove arhitekture resavaju neke probleme. Ali da li problemi koje te arhitekture resavaju solidan developer ne moze sam da resi bez vendor locka za kreatore tih arhitektura. Jesu one open-source, ali meni je rizik da se vezujem za bilo sta sto sutra moze da prestane da se odrzava.
- SwiftUI Structure and Architecture
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What design patterns exist and which should I learn for SwiftUI?
I came across this post discussing MVM, MVVM, MVP, and composable architecture.
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What is a piece of code (or Framework, extension, etc.) that you add in every new project?
At a minimum, Composable Architecture, and now Dependencies from Point-Free.
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Ideal architecture for an app entirely in SwiftUI? Example code repo would be great
I’ve built a couple of apps with this framework: https://github.com/pointfreeco/swift-composable-architecture
- Use of EnvironmentObjects for sharing ObservableObjects
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Best way forward coming from the Javascript / Typescript world?
While there are apps that use a Redux-style architecture, the arch is still in its infancy in the community. There are a number of implementations each with their own take on Redux. TCA is probably the one with the most name recognition and documentation.
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Should You Still Learn UIKit?
Learn it if the project at hand requires it. A lot of older, more mature apps will still use UIKit, so it’s likely if you plan to work an iOS developer job that you will need it. But it’s getting to the point where a lot of the forward thinking shops are already starting to integrate SwiftUI. (Me being one of them) which, btw, a lot of people will say SwiftUI isn’t quite there yet, and I mostly disagree. SwiftUI is good for a great many use cases. Yes, there are still pain points, but you can write most of the apps you’d need to write in SwiftUI. And there are great architectural frameworks out there that actually give SwiftUI an opinionated way to structure apps that is testable and maintainable. Check out pointfreeco’s The Composable Architecture (https://github.com/pointfreeco/swift-composable-architecture)
What are some alternatives?
DeepMenu
Clean Architecture for SwiftUI + Combine - SwiftUI sample app using Clean Architecture. Examples of working with CoreData persistence, networking, dependency injection, unit testing, and more.
book - V2 of Real World OCaml
redux - A JS library for predictable global state management
dream - Tidy, feature-complete Web framework
tca-swiftui-navigation-demo - Demo project that shows how to implement navigation in SwiftUI iOS application using Swift Composable Architecture
RIBs - Uber's cross-platform mobile architecture framework.
iOS-Viper-Architecture - This repository contains a detailed sample app that implements VIPER architecture in iOS using libraries and frameworks like Alamofire, AlamofireImage, PKHUD, CoreData etc.
learn-you-a-haskell - “Learn You a Haskell for Great Good!” by Miran Lipovača
GRDB.swift - A toolkit for SQLite databases, with a focus on application development
reflex - Interactive programs without callbacks or side-effects. Functional Reactive Programming (FRP) uses composable events and time-varying values to describe interactive systems as pure functions. Just like other pure functional code, functional reactive code is easier to get right on the first try, maintain, and reuse.
TCA-tutorial