Signals in Angular: How Do They Work?
summary
Introduces Angular’s new reactive primitive signal() and explains what reactivity and signals are, comparing them to existing RxJS patterns and clarifying that signals don’t strictly replace RxJS. Describes how Angular signals work and when to prefer signals versus RxJS in Angular applications.
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chapters (19)
- 0:00Angular Signals intro
- 1:06Reactivity definition
- 2:57Old methods problems
- 6:56RxJS and Zone.js limits
- 11:23Producer-consumer model
- 12:54What is a signal?
- 15:40Signal API basics
- 18:13Derived signals and effects
- 21:49Signal dependency graph
- 24:22Signals advantages
- 26:04Signals in Angular 16+
- 27:15New inputs and outputs
- 30:23Decorator simplification
- 32:29Signals current state
- 34:34Signals vs RxJS
- 39:45When to use signals
- 41:52Future without Zone.js
- 42:36Migration guide to signals
- 47:24Q&A
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