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Angular Signals

Implement Angular Signals state with signal(), computed(), and effect().

1|1|Updated Apr 20, 2026
Search Tags:#state management#reactivity#effect#computed#angular signals#rxjs interop
One-click install
npx skills add https://github.com/svssdeva/agentic-skills --skill angular-signals-svssdeva
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: Angular Signals
Source: https://github.com/svssdeva/agentic-skills/tree/main/angular/angular-signals
Command: npx skills add https://github.com/svssdeva/agentic-skills --skill angular-signals-svssdeva

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve?

This Skill helps you implement Angular state with the Signals model so UI updates remain predictable, efficient, and maintainable instead of relying on ad-hoc change detection or loosely managed reactive state.

Core Features & Use Cases

  • Core Signal APIs: Use signal() for writable state, computed() for derived state, and linkedSignal() for dependent state that can reset when inputs change.
  • Side Effects with effect(): Run side effects safely within Angular’s injection context and automatically clean them up on destroy.
  • State Management Patterns: Apply component state patterns and service state patterns to structure app logic cleanly.
  • RxJS Interop: Convert between Observables and Signals using toSignal() and toObservable() for gradual migrations or mixed reactive systems.
  • Correctness Controls: Use custom equality and untracked() to prevent unnecessary recomputation while keeping dependencies accurate.

Quick Start

Apply the Angular Signals patterns to your component or service to model state with signal(), derive values with computed(), and trigger UI or side effects using effect() where appropriate.

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 state with Signals for fine-grained reactivity?▼

Angular Signals enable fine-grained reactivity by using signal() for writable state and computed() for derived state, ensuring predictable and efficient UI updates without relying on ad-hoc change detection.

What is the best way to convert RxJS Observables to Angular Signals?▼

The best way to convert RxJS Observables to Angular Signals is using the toSignal() function, enabling gradual migration and mixed reactive systems, while toObservable() handles the reverse conversion.

How do I run side effects safely using Angular Signals?▼

You run side effects safely in Angular Signals by using the effect() function within Angular's injection context, which automatically cleans up the side effects when the component or service is destroyed.

Can I use linkedSignal to reset dependent state in Angular?▼

Yes, you can use linkedSignal() to model dependent state in Angular that automatically resets or updates when its input signals change, providing a robust way to handle linked reactive computations.

How to prevent unnecessary recomputation in Angular computed signals?▼

Prevent unnecessary recomputation in Angular computed signals by applying custom equality functions and using the untracked() function to read signal values without creating reactive dependencies.

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