resilient-async-operations

Manage async JavaScript/TypeScript operations with automatic cleanup and cancellation.

2|3|Updated Oct 21, 2025

Search Tags:#async #timeout #abort #promise-utils #abort-controller

Ready to run

npx skills add https://github.com/vishalsachdev/claude-skills --skill resilient-async-operations

💬 Prompt for ChatGPT / Claude Chat▼

Please help me install this Agent Skill.
Skill: resilient-async-operations
Source: https://github.com/vishalsachdev/claude-skills/tree/main/resilient-async-operations
Command: npx skills add https://github.com/vishalsachdev/claude-skills --skill resilient-async-operations

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve?

A comprehensive pattern for handling asynchronous operations in JavaScript/TypeScript with automatic cleanup, graceful error handling, and memory-leak prevention. Use when building apps with API calls, background tasks, or any long-running async work.

Core Features & Use Cases

AbortManager: Centralized abort controller management with cleanup.
safePromise: Go-style error handling returning [data, error].
backgroundOperation: Non-blocking tasks that log errors.
withTimeout: Timeout-wrapped promises with abort support.

Quick Start

Wrap fetch or API calls with AbortManager-created controllers, and use safePromise or backgroundOperation to handle errors gracefully.

Frequently Asked Questions about resilient-async-operations

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

FAQPage Schema

How do I prevent memory leaks in async JavaScript code with API calls and background tasks?▼

Memory leaks in async operations occur when promises, timers, or event listeners aren't cleaned up after completion or cancellation. This Skill mitigates them through AbortManager for centralized controller lifecycle management, safePromise for error handling, and automatic cleanup on abort or timeout, ensuring resources are released even if operations fail or are cancelled.

How do I implement timeout and cancellation support for fetch requests and long-running async tasks?▼

Use withTimeout to wrap promises with deadline enforcement and AbortController support, and AbortManager to centralize abort controller creation and cleanup across multiple concurrent requests. This provides graceful timeout handling with automatic resource release and cancellation propagation to dependent operations.

Can I use this pattern with React applications that make API calls?▼

Yes. This Skill is designed for React and UI-heavy projects where component unmounting, effect cleanup, and concurrent API requests need coordinated cancellation. Pair AbortManager with React lifecycle methods or useEffect cleanup functions to prevent state updates on unmounted components and unhandled promise rejections.

What's the difference between safePromise and standard promise error handling?▼

safePromise returns [data, error] tuples following Go-style error handling, eliminating try-catch boilerplate and unhandled rejection risks. It pairs with AbortManager and backgroundOperation for consistent, composable error handling across API calls, background tasks, and timeout-wrapped operations in the same codebase.

When should I use backgroundOperation instead of safePromise for async tasks?▼

Use backgroundOperation for fire-and-forget non-blocking tasks where errors should be logged but don't require immediate handling or caller notification. safePromise suits operations where the caller needs explicit error and data results; backgroundOperation suits cleanup tasks, analytics, or logging that must not block the main flow.

Do I need additional dependencies to add timeout and abort support to existing async code?▼

No. This Skill has no external dependencies and uses native JavaScript AbortController and Promise APIs available in modern browsers and Node.js. It wraps these built-ins with AbortManager, safePromise, withTimeout, and backgroundOperation to provide structured async patterns without requiring extra libraries.