Do Signals replace RxJS Observables?

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Signals recently gained popularity in frontend web development. They are implemented by modern web frameworks like Qwik and SolidJS. Also, Angular adopted them. But what exactly are they, and do they replace RxJS Observables altogether?

🕐 Timestamps:
00:00 - Intro
00:43 - What is a Signal?
02:43 - What can we do with Signals?
03:32 - Fine-grained Reactivity
03:51 - Comparison
  1. JS 2 brain
  2. signals
  3. rxjs
  4. web development
  5. observables rxjs
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Комментарии
Автор

Never stop learning: Could you not just use Rxjs together with Typescript Template Literals to create a reactive view?

hansschenker
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Amazing video showcasing signals and their difference with observables

Btw signals are good for local state management for simple services and RxJS's observables are good for global state management (with NgRx for instance) and HTTP requests

LePhenixGD
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So a signal is basically an rxjs subject?

wahoobeans
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What is an example of more complex problems that require RxJS?

more-sun
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Repeat after me: Signals & Observables, not Signals vs Observables

developeroppa
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I think some functionalities can not be lazy (like state mgmt) - that is why signals are built in contrast with Observables.

nikhilgoyal