Resilient Async Operations

A comprehensive pattern for handling asynchronous operations in JavaScript/TypeScript applications with automatic cleanup, graceful error handling, and memory leak prevention.

When to use this skill

• Building React applications with API calls and async operations
• Preventing memory leaks from abandoned promises
• Managing multiple concurrent requests with proper cleanup
• Implementing background operations that shouldn't crash the UI
• Handling timeouts and AbortController lifecycle
• Go-style error handling without try-catch blocks

Core Patterns

This skill provides 4 complementary utilities: