Utility method to run function either synchronously or asynchronously using the common `this.async()` style.

yargs the modern, pirate-themed, successor to optimist.

list things in node_modules that are bundledDependencies, or transitive dependencies thereof

Settle an async function.

Generate functions that do not allow parallel executions

OpenTelemetry AsyncLocalStorage-based Context Manager

Run some code when the process exits (supports async hooks and pm2 clustering)

Abortable async function helpers

Language service for HTML

support for asynchronous development with a Promise based task Scheduler, several different Promise implementations (synchronous, idle, asynchronous and native runtime wrappers), await helpers, and aliases all built and tested using TypeScript.

Map over promises concurrently

Higher-order functions and common patterns for asynchronous code

Semaphore using `async` and `await`

PNG encoder/decoder in pure JS, supporting any bit size & interlace, async & sync with full test suite.

A tiny (195B to 220B) utility to recursively list all (total) files in a directory

Determine if a function is a native async function.

Cacheable Utilities for Caching Libraries

Polyfill exporting trevnorris's 0.11+ asyncListener API.

Thread-safe Helmet for React 16–18, with native support for React 19+

A function that returns the normally hidden `AsyncFunction` constructor