angular-signals

Implements signal-based reactive state management for Angular 20+ components.

595|69|Updated Jan 24, 2026
One-click install
npx skills add https://github.com/analogjs/angular-skills --skill angular-signals-analogjs
Or copy as Structured Prompt for Agent
Please help me install this Agent Skill.
Skill: angular-signals
Source: https://github.com/analogjs/angular-skills/tree/main/skills/angular-signals
Command: npx skills add https://github.com/analogjs/angular-skills --skill angular-signals-analogjs

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill includes references (resource) components.

What problem does it solve?

Angular applications often wrestle with scattered state management patterns and boilerplate. This Skill introduces signal-based state management to provide synchronous, fine-grained reactivity directly in components, reducing dependency on RxJS for ordinary UI state.

Core Features & Use Cases

  • Writable state with signal() for inline, reactive values.
  • Derived state with computed() to build dependent data.
  • Dependent state with linkedSignal() for resilient selections.
  • Side effects with effect() to react to state changes.
  • Interop patterns via toSignal/toObservable for RxJS interop.
  • Practical usage across component state, forms, and simple stores.

Quick Start

Create a sample component that defines a signal-based state (count), a derived value (doubleCount), and an effect that logs changes. Replace with a real example in your app to start.

Frequently Asked Questions about angular-signals

High-intent search queries and answers about installing and using this skill.

FAQPage Schema
How do I manage Angular component state with signals instead of RxJS?

You can manage Angular component state with signals by using writable signal() for inline values, computed() for derived state, and effect() for side effects, reducing RxJS boilerplate for ordinary UI state.

What is the best way to convert an RxJS observable to an Angular signal?

The best way to convert an RxJS observable to an Angular signal is using the toSignal() interop function, which integrates asynchronous observable streams directly into signal-based reactive component workflows.

Does Angular support dependent state selections that reset automatically?

Angular supports dependent state selections that reset automatically using the linkedSignal() function, allowing you to build resilient selections that update safely when their underlying source state changes.

How do I derive state in Angular from multiple reactive signal sources?

You derive state in Angular from multiple reactive signal sources by using the computed() function, which synchronously calculates dependent data whenever any of its underlying writable signals change.

When should I use Angular signals over RxJS for reactive state?

You should use Angular signals over RxJS for synchronous, fine-grained reactivity in ordinary UI state and simple stores, utilizing RxJS interop via toObservable() only for complex async workflows.