angular-signals

Implement signal-based reactive state management in Angular v20+ applications.

Updated Jan 30, 2026
One-click install
npx skills add https://github.com/spallempati/AI-Studio --skill angular-signals-spallempati
Or copy as Structured Prompt for Agent
Please help me install this Agent Skill.
Skill: angular-signals
Source: https://github.com/spallempati/AI-Studio/tree/main/skills/angular/signals
Command: npx skills add https://github.com/spallempati/AI-Studio --skill angular-signals-spallempati

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill includes references (resource) components.

What problem does it solve?

This Skill simplifies and optimizes state management in Angular applications by leveraging the power of Signals, offering a more performant and intuitive way to handle reactive data flows compared to traditional RxJS patterns.

Core Features & Use Cases

  • Writable State: Manage simple state values with signal().
  • Derived State: Create computed values that automatically update based on other signals using computed().
  • Side Effects: Execute logic in response to signal changes with effect().
  • RxJS Interop: Seamlessly convert Observables to Signals (toSignal) and Signals to Observables (toObservable).
  • Use Case: Refactor an existing Angular component that uses BehaviorSubject for state management to use Angular Signals for improved performance and simpler change detection.

Quick Start

Use the angular-signals skill to create a writable signal named 'count' initialized to 0.

Frequently Asked Questions about angular-signals

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

FAQPage Schema
How do I manage reactive state in Angular using signals?

Manage reactive state in Angular using signals by initializing writable values with `signal()`, deriving computed values with `computed()`, and handling side effects with `effect()` for performant change detection.

What is the best way to convert BehaviorSubject patterns to Angular signals?

Converting BehaviorSubject patterns to Angular signals is streamlined by utilizing RxJS interop functions like `toSignal` and `toObservable`, facilitating seamless migration to signal-based reactive state management.

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

Create derived state in Angular that automatically updates by wrapping dependent signal references inside the `computed()` function, ensuring the derived value recalculates whenever its underlying signals change.

Does Angular signal-based state management work with existing RxJS Observables?

Angular signal-based state management works with existing RxJS Observables through dedicated interop utilities, allowing you to convert Observables to Signals with `toSignal` and Signals to Observables with `toObservable`.

Can I use Angular signals for side effects instead of subscriptions?

You can use Angular signals for side effects instead of traditional subscriptions by registering logic within the `effect()` function, which automatically executes tracked code whenever referenced signal values change.

When should I use linkedSignal for dependent state in Angular?

Use `linkedSignal()` for dependent state in Angular when you need to establish reactive dependencies between signals, allowing downstream state to automatically reset or update based on upstream signal changes.