async-preact-signals

Creates custom asyncSignal types for Promise and fetch data in Preact Signals.

58|6|Updated Jan 27, 2026
One-click install
npx skills add https://github.com/rodydavis/skills --skill async-preact-signals
Or copy as Structured Prompt for Agent
Please help me install this Agent Skill.
Skill: async-preact-signals
Source: https://github.com/rodydavis/skills/tree/main/skills/async-preact-signal
Command: npx skills add https://github.com/rodydavis/skills --skill async-preact-signals

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve?

This Skill addresses the challenge of managing asynchronous data within the synchronous framework of Preact Signals, preventing common pitfalls and enabling robust state handling.

Core Features & Use Cases

  • Custom asyncSignal: Create a reusable signal type that gracefully handles loading, error, and data states for asynchronous operations.
  • Promise Integration: Seamlessly integrate with Promises and fetch requests, managing their lifecycle within the signal system.
  • Use Case: Displaying data fetched from an API in a Preact application, ensuring that loading indicators and error messages are shown correctly without disrupting the signal's synchronous nature.

Quick Start

Use the async-preact-signals skill to create a new signal that fetches post data based on a changing post ID.

Frequently Asked Questions about async-preact-signals

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

FAQPage Schema
How do I manage async data fetching with Preact Signals without breaking the synchronous state model?

You can create a custom asyncSignal type that wraps Promises and fetch requests, exposing loading, error, and data states as standard signals. This keeps reactive UI updates predictable while the asynchronous operation resolves in the background.

How does Preact Signals handle loading and error states for Promises?

Preact Signals manages Promise states by using a dedicated async signal pattern that tracks the lifecycle of the request. It automatically updates the signal's value to reflect loading, error, or resolved data states for reactive rendering.

Can I use Preact Signals for API data fetching and display loading indicators?

Yes, you can integrate fetch requests directly within the signal system. The async signal tracks the request lifecycle, allowing your UI to reactively display loading indicators and error messages without disrupting the synchronous signal architecture.

Do I need any external state management libraries to handle asynchronous operations in Preact?

No, this approach uses Preact Signals directly to manage asynchronous data. You create custom signal types to handle the Promise lifecycle internally, eliminating the need for additional external state management dependencies.

What is the best way to handle external data sources in a reactive Preact UI?

Using a signal-based architecture with a custom async signal provides predictable state management for external data sources. It encapsulates fetching logic and lifecycle states directly within Preact's reactive system for seamless UI updates.