Get the first fulfilled promise that satisfies the provided testing function

Essential utils for promises

a util for spawning git from npm CLI contexts

Object schema validation

Library to help write libraries that accept both promises and callbacks.

Resolves a promise after a specified delay

A collection of small async/await utilities

Shapes and calculators for spherical coordinates.

A Promise-based API for setTimeout / clearTimeout

Figure out what a cmd-shim is pointing at. This acts as the equivalent of fs.readlink.

Email address and domain validation

Promise-based queue

retry for functions returning a promise

Map-like, concurrent promise processing for Node.js

A performant and standard (Bluebird) library that registers a node-style callback on a promise

Walk any kind of tree structure depth- or breadth-first. Supports promises and advanced map-reduce operations with a very small API.

Now you can

wait-on is a cross platform command line utility and Node.js API which will wait for files, ports, sockets, and http(s) resources to become available

Unzip library for NodeJS

Screenshots with JavaScript