angular-signals

Create Angular signals for state, derived state, and side effects.

1.1k|93|Updated Mar 5, 2025
One-click install
npx skills add https://github.com/zard-ui/zardui --skill angular-signals-zard-ui
Or copy as Structured Prompt for Agent
Please help me install this Agent Skill.
Skill: angular-signals
Source: https://github.com/zard-ui/zardui/tree/main/.agents/skills/angular-signals
Command: npx skills add https://github.com/zard-ui/zardui --skill angular-signals-zard-ui

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill includes references (resource) components.

What problem does it solve?

Angular Signals provide a fine-grained reactive primitive for Angular state management, replacing heavy patterns like BehaviorSubject with simple signals that update synchronously and predictably.

Core Features & Use Cases

  • signal() for writable state and straightforward state updates
  • computed() for derived state that auto-updates when dependencies change
  • linkedSignal() for dependent state with automatic resets and preservation logic
  • effect() for side effects and lifecycle-tracked reactions
  • RxJS interop with toSignal/toObservable for seamless integration with RxJS pipelines
  • Common patterns like resource/store/form state and debugging utilities for robust apps

Quick Start

Create a minimal Angular component that uses signal() for state, computed() for derived state, and effect() for a side effect.

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 BehaviorSubject?

Angular signals provide a fine-grained reactive primitive for component state, replacing heavy BehaviorSubject patterns with synchronous, predictable updates using signal().

How do I create derived state in Angular that updates automatically when dependencies change?

Use the computed() function to create derived state in Angular that automatically recalculates and updates whenever its underlying signal dependencies change.

Can I use Angular signals with RxJS pipelines for reactive state management?

Yes, you can use RxJS interop functions toSignal and toObservable for seamless integration between Angular signals and existing RxJS pipelines.

What is the best way to handle side effects and lifecycle reactions in Angular signals?

Use the effect() function to handle side effects and lifecycle-tracked reactions in Angular signals, ensuring predictable updates with automatic cleanup.

How does linkedSignal work for dependent state with automatic resets in Angular?

linkedSignal() manages dependent Angular state by providing automatic resets and preservation logic, ensuring synchronized updates when parent values change.

Do I need to replace my entire Angular state store to use signals?

No, Angular signals can be integrated incrementally into existing state stores and forms, working alongside current patterns without requiring a full replacement.