RxJS
reactor-core
RxJS | reactor-core | |
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98 | 21 | |
30,218 | 4,813 | |
0.4% | 0.3% | |
8.8 | 9.4 | |
10 days ago | 7 days ago | |
TypeScript | Java | |
Apache License 2.0 | Apache License 2.0 |
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RxJS
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Episode 24/13: Native Signals, Details on Angular/Wiz, Alan Agius on the Angular CLI
Similarly to Promises/A+, this effort focuses on aligning the JavaScript ecosystem. If this alignment is successful, then a standard could emerge, based on that experience. Several framework authors are collaborating here on a common model which could back their reactivity core. The current draft is based on design input from the authors/maintainers of Angular, Bubble, Ember, FAST, MobX, Preact, Qwik, RxJS, Solid, Starbeam, Svelte, Vue, Wiz, and moreβ¦
- Episode 24/09: Testing without TestBed, SSR & Hydration
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10 Reasons for MiniRx Signal Store
RxJS is used for events and asynchronous tasks
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Top 10 Things to Add to Your Angular App Coding: A Recipe for Programmer Success
Data flowing like a melody? Master RxJS, the reactive JavaScript library, to handle asynchronous data flows with grace and ease. Streamlined data, happy code.
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What We Need Instead of "Web Components"
> This proposal makes the same mistake as various stream implementations (including RxJS in the past) of making operators methods on the observable.
I don't think they are making a mistake. I am sure Ben knows what he is doing, given how it was he who refactored rxjs 5 with all operators being methods on the Observable, to rxjs 6 with pipeable operators.
But, their objective is not to bring rxjs into the browser, but rather to bring the Observable primitive into the browser. And, like Array prototype, which has methods, Observable, in order to be even minimally useful, needs some methods, which they modelled from TC39 iterators, for the sake of consistency.
They say:
> We expect userland libraries to provide more niche operators that integrate with the Observable API central to this proposal, potentially shipping natively if they get enough momentum to graduate to the platform. But for this initial proposal, we'd like to restrict the set of operators to those that follow the precedent stated above, similar to how web platform APIs that are declared Setlike and Maplike have native properties inspired by TC39's Map and Set objects. Therefore we'd consider most discussion of expanding this set as out-of-scope for the initial proposal, suitable for discussion in an appendix. Any long tail of operators could conceivably follow along if there is support for the native Observable API presented in this explainer.
As to
> We really need a `pipe` operator, at minimum
Maybe we don't. Note that in RxJS version 8, they have introduced a new way of piping observables, which is the rx function [0]. Maybe they are thinking of something similar for the browser. Or maybe they are thinking of using the native pipeline operator if it ever gets approved.
In the meantime, for any complex manipulations on observables, users will probably still import relevant functions from libraries.
0 - https://github.com/ReactiveX/rxjs/issues/7203
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Want to raise the bar π―
Hello and welcome! It's fantastic that you're looking to broaden your expertise in front-end development. Transitioning from Flutter to React and Angular is a great move, as it will provide you with a well-rounded skill set. ### Resources for Learning React: 1. **Official Documentation:** Start with the [official React documentation](https://reactjs.org/). It's well-written and comprehensive. 2. **React Fundamentals Courses:** Platforms like [freeCodeCamp](https://www.freecodecamp.org/) and [Codecademy](https://www.codecademy.com/) offer free React courses. 3. **React Hooks:** Understand the concept of hooks, a powerful feature in React. The [React Hooks documentation](https://reactjs.org/docs/hooks-intro.html) is a great resource. 4. **Project-Based Learning:** Build small projects to apply your knowledge. You can find ideas on platforms like [GitHub](https://github.com/) or [CodePen](https://codepen.io/). 5. **React Router:** Learn how to handle navigation in React using [React Router](https://reactrouter.com/). ### Resources for Learning Angular: 1. **Official Documentation:** Similar to React, start with the [official Angular documentation](https://angular.io/). 2. **Angular Tour of Heroes:** This is a hands-on tutorial provided in the Angular documentation. It's an excellent resource for getting started. 3. **Angular University:** [Angular University](https://angular-university.io/) offers comprehensive courses on Angular. 4. **RxJS:** Learn about reactive programming using RxJS, which is heavily used in Angular. You can find resources on the [official RxJS documentation](https://rxjs.dev/). 5. **Build Real-World Apps:** Build practical applications to solidify your understanding. The more you code, the better you'll become. ### Making a Mark in the Open-Source Front-End Space: 1. **GitHub Contributions:** Contribute to existing open-source projects. This not only helps you learn but also establishes your presence in the community. 2. **Create Your Projects:** Start small with your open-source projects. Share them on GitHub, and seek feedback from the community. 3. **Participate in Hackathons:** Join online hackathons or coding challenges. They're great for learning and networking. 4. **Follow Blogs and Newsletters:** Stay updated with the latest trends and best practices in the front-end world. Subscribe to newsletters like [JavaScript Weekly](https://javascriptweekly.com/) or [React Status](https://react.statuscode.com/). 5. **Join Forums and Communities:** Engage with developers on platforms like [Stack Overflow](https://stackoverflow.com/) or specialized forums for React and Angular. Remember, the key is consistent practice and learning by doing. Good luck on your journey, and feel free to reach out if you have more questions! π
- Ask HN: What are some unpopular technologies you wish people knew more about?
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MiniRx Signal Store for Angular - API Preview
Signal Store helps to streamline your usage of RxJS and Signals: e.g. connect and rxEffect understand both Signals and Observables
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Implement a simple bus event in Angular
Our bus event is really simple in fact. We have declared into the core module (provided in all the application) an rxjs Subject.
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Web scraping LinkedIn jobs using Puppeteer and RxJS
Web scraping may seem like a simple task, but there are many challenges to overcome. In this blog, we will dive into how to scrape LinkedIn to extract job listings. To do this, we will use Puppeteer and RxJS. The goal is to achieve web scraping in a declarative, modular, and scalable manner.
reactor-core
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Is it wrong to use "try-catch" inside a reactive stream operator (project reactor)?
I was exploring reactive streams with project reactor and I encountered a use case where I needed to skip to the next event if an error occurred during the processing of the current event (e.g. deserialization issue).
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Modern Async Primitives on iOS, Android, and the Web
Kotlin also has a construct for asynchronous collections/streams. Kotlin's version of AsyncSequence is called a Flow. Just as Swift's AsyncSequence builds upon prior experience with RxSwift and Combine, Kotlin's Flow APIs build upon earlier stream/collection APIs in the JVM ecosystem: Java's RxJava, Java8 Streams, Project Reactor, and Scala's Akka.
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Alternatives to scala FP
Java's projectreactor.io ? It is widely used in Java world, see Spring WebFlux.
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Hydroflow: Dataflow Runtime in Rust
I guess more a closer comparison would be with the Project Reactor https://projectreactor.io/ which is also a low level framework for data processing.
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Reactive Backend Applications with Spring Boot, Kotlin and Coroutines (Part 1)
Spring Framework is one of the most popular choices for web applications. It comes with a great ecosystem, tooling, and support. Spring applications are mainly written in Java. While they can serve quite well in many different domains and use cases, they may not be a good fit for modern-day applications which require low-latency and high-throughput. This is where the reactive programming paradigm could help because the paradigm is designed to address these issues by its non-blocking nature. Spring already supports reactive programming via Project Reactor.
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Brief Intro to Reactive Streams with Project Reactor
The reactive streams API provides the specification for non-blocking async streams processing with back pressure mechanism, and Project Reactor is an implementation written in java.
- Angular for Junior Developers: Promises vs Observables
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How much of real world programming involves using containers and for loops?
https://projectreactor.io/ https://docs.oracle.com/javase/8/docs/api/java/util/stream/Stream.html https://rxjs.dev/ https://developer.android.com/kotlin/coroutines https://developer.apple.com/documentation/combine
- Spring Reactor
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Reactor bad, Loom good - but how will the landscape shape out?
With respect to Loom, it could be much easier for synchronous and reactive code to interoperate using schedulers that take advantage of Loom. The impact of Loom on Project Reactor was discussed in #3084, you might find it interesting.
What are some alternatives?
Most.js - Ultra-high performance reactive programming
Reactive Streams - Reactive Streams Specification for the JVM
MobX - Simple, scalable state management.
RxKotlin - RxJava bindings for Kotlin
Bacon - Functional reactive programming library for TypeScript and JavaScript
RxJava - RxJava β Reactive Extensions for the JVM β a library for composing asynchronous and event-based programs using observable sequences for the Java VM.
kefir - A Reactive Programming library for JavaScript
reactor-kotlin-extensions
Cycle.js - A functional and reactive JavaScript framework for predictable code
redux-kotlin - Predictable state container for Kotlin apps
Highland - High-level streams library for Node.js and the browser
Async Http Client - Asynchronous Http and WebSocket Client library for Java