Allows libraries to handle various caller provided asynchronous functions uniformly. Maps promises, observables, child processes and streams, and callbacks to callback style.

Handle completion and errors with elegance! Support for streams, callbacks, promises, child processes, async/await and sync functions. A drop-in replacement for [async-done][] - pass 100% of its tests plus more

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

Time async functions using async-done for execution and completion.

each-async + async-done = each-done

Settle an async function.

Asynchronous flow control with a functional taste to it

Plugin helper for Fastify

No-bullshit, ultra-simple, 35-lines-of-code async parallel forEach / map function for JavaScript.

filesystem utilities for the npm cli

Promised out of order transform.

TypeScript definitions for undertaker

Async control for arrays

Get the default iterator or async iterator for an iterable or async iterable

A passport strategy to authenticate against an AWS Cognito User Pool OAuth 2.0 provider and get user profile, access token and ID token. This supports providing cognito specific additional auth parameters. This is subclass of passport-oauth2 strategy.

Watch globs and execute a function upon change, with intelligent defaults for debouncing and queueing.

Maximize the parallel calls of an iterator supporting asyncIterator interface

Promise queue with concurrency control

Higher-order functions and common patterns for asynchronous code

Determine if a function is a native async function.