JSPM

Higher order functions for iterators and async iterators

Convert event emitters and event targets to ES async iterators

Foundation for async iterators as streams

merges async iterators

Combine Multiple Asynchronous Iterators in one (not a sequence)

ASync CLasses + ASync ITerators

Parallel mapping for async iterators

An async iterator that joins multiple other async iterators in order, one after another.

HighWatermark Processing with Async Iterators

push items to pulling iterators

Async versions of various highly composable transducers, reducers and iterators

Iterators Library

Create async iterators from Arrays, EventEmitters, and Streams

transform input into equally-sized blocks of output using async iterators

Asyncronous Iterators Collection

Batteries-included utility functions to work with async iterables available in ES2018/TypeScript

Promises and async iterators are awesome, lets turn them inside out. Promise.withResolvers polyfill.

Simple, efficient iterators for OCaml

Minimal async jobs utility library, with streams support

lazy fluent async iterators

Convert RxJS Observable streams to async iterators

Utility functions for working with async iterators

An utility belt for working with streams using async iterators

32 bit unsigned host byte order length prefix message streams as async iterators

lightweight async iterators (map, each, reduce)

Combine async iterators into a Generator object (iterator and iterable)

async.mapLimit's functionality available as a standalone npm module

Oboe.js reads json, giving you the objects as they are found without waiting for the stream to finish

A collection of utilities for async iterables. Designed to replace your streams.

Async iterators.

Functional Iterable and AsyncIterable

Compose chains of functions to manipulate data via synchronous and asynchronous iterators

Breaks down iterators in to chunks

Convert RxJS Observable streams to async iterators (for RxJS 5.0+)

A library of async iterator extensions for JavaScript including ```map```, ```reduce```, ```filter```, ```flatMap```, ```pipe``` and [more](https://github.com/jamiemccrindle/axax/blob/master/docs/API.md#functions).

Next-generation ZeroMQ bindings for Node.js

Streaming library that works with async iterators and has a similar API to Array

Run multiple promise-returning & async functions with limited concurrency

Get the first fulfilled promise that satisfies the provided testing function

Multiplexer of async iterators for JavaScript

Transform async functions to generator functions with speed and simplicity.

Higher-order functions and common patterns for asynchronous code

Promisify a callback-style function

`Start a promise chain

Fast, in memory work queue

Runtime for Regenerator-compiled generator and async functions.

Run an array of functions in parallel

Map over promises concurrently

JavaScript parser, mangler/compressor and beautifier toolkit for ES6+

Allows users to use generators in order to write common functions that can be both sync or async.

Ununtar with Async Iterators

Full featured Promises/A+ implementation with exceptionally good performance

Neo-Async is a drop-in replacement for Async, it almost fully covers its functionality and runs faster

generator async control flow goodness

Simple and modern async event emitter

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

Determine if a function is a native async function.

A utility to retry failed async methods.

Convert http servers to async iterators

Split lines to arrays using Async Iterators

Universal WHATWG Fetch API for Node, Browsers and React Native

Create a promise that can be canceled

Retry a promise-returning or async function

Turn a writable and readable stream into a streams2 duplex stream with support for async initialization and streams1/streams2 input

Explode async and generator functions into a state machine.

A function that returns the normally hidden `AsyncFunction` constructor

A basic but performant promise implementation

A set of utilities that extend the use of JSON

JavaScript data processing with asynchronous iterators

Convert an async iterator/iterable to a readable stream

Timeout a promise after a specified amount of time

delay the evaluation of a paramless async function and cache the result

elegant & feature rich browser / node HTTP with a fluent API

async/await for node.js

FTP client for Node.js, supports FTPS over TLS, IPv6, Async/Await, and Typescript.

Contain async insanity so that the dark pony lord doesn't eat souls

asynchronous function queue with adjustable concurrency

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

rawStream.pipe(JSONStream.parse()).pipe(streamOfObjects)

Create a deferred promise

Environment agnostic nextTick polyfill

A promise based streaming tokenizer

Convert an abstract-chunk-store compliant store into an async iterator, or write to using an async iterator.

Promise queue with concurrency control

Reduce a list of values using promises into a promise for a value

Check if something is a promise

Async iterator for GitLab API based on axios

Iterate over promises serially

Write data to a file, replacing the file if it already exists and creating any intermediate directories if they don't already exist. Thin wrapper around node's native fs methods.

Promisify an event by waiting for it to be emitted

Filter promises concurrently

Delay a promise a specified amount of time

Isomorphic, functional type-checking for Javascript

asynchronous function queue with adjustable concurrency

Memoize/cache function results

Convert a string/promise/array/iterable/asynciterable/buffer/typedarray/arraybuffer/object into a stream

A tiny, zero-dependency yet spec-compliant asynchronous iterator polyfill/ponyfill for ReadableStreams.

Big-friendly JSON. Asynchronous streaming functions for large JSON data sets.

Run some code when the process exits

A mutex for guarding async workflows

Distributed task scheduler and rate limiter

Lock on asynchronous code

Map over an array or object of values in parallel or series, passing each through the async iterator, with optional lifecycle hooks.

Unzip with Async Iterators

Inspect the life of handle objects in node

Create sync/async APIs with usable logic

Semaphore using `async` and `await`

Asynchronous bootstrapping of Node applications

Compose promise-returning & async functions into a reusable pipeline

Map over promises serially

`net.Server#listen()` helper that returns a Promise for async / await

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

Settle an async function.

Native Promise Only: A polyfill for native ES6 Promises **only**, nothing else.

Wait for a condition to be true

Run multiple promise-returning & async functions with limited concurrency using native ES9

Extends Chai with assertions about promises.

A Promise-based interface into processes created by child_process.spawn

Compose your async functions with elegance.

Run promise-returning & async functions concurrently with optional limited concurrency

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

`AsyncIterator.prototype`, or a shared object to use.

Throttle promise-returning & async functions

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

Helper function to create async iterators

Run promise-returning & async functions in series, each passing its result to the next

Async module-loading library and protocol for bundlers/loaders targeting isomorphic apps and Node.js.

An implementation for Array.fromAsync, which dumps an async iterator into an array.

Take care of your `spawn()`

validate form asynchronous

Run an array of functions in series

Wait for multiple callback

An optionally-asynchronous forEach with an interesting interface.

Memoize promise-returning & async functions

Convert rxjs observables into iterall async iterators

The scrypt password-based key derivation function with sync and cancellable async.

Modular and fast Promises implementation

A simple asynchronous tool

A lightweight Promises/A+ and when() implementation, plus other async goodies.

Run an array of functions in parallel, but limit the number of tasks executing at the same time

Runs a list of async tasks, passing the results of each into the next one

Observable alternative using async iterators

`timers/promises` for client and server.

A node- and browser-ready async (now with promises) counterpart of Array.prototype.forEach

Promisified setTimeout

Wait for expectation to be true, useful for integration and end to end testing

Convert any object to thenable

The JavaScript Task Runner

In memory queue system prioritizing tasks

Apply an async function to each Array element in series.

Modern and scalable routing for React applications

Wait for a specified number of promises to be fulfilled

Async/await wrapper for easy error handling in js

Wait for any promise to be fulfilled

Make a promise always fulfill with its actual fulfillment value or rejection reason

Settle promises concurrently and get their fulfillment value or rejection reason

Multiplexer of async iterators for JavaScript

Pipe between async iterators and streams

Node.js test runner that lets you develop with confidence.

Coalesces multiple promises for the same identifier into a single request

Modern and scalable routing for React applications

Turns async function into sync via JavaScript wrapper of Node event loop

Modern and scalable routing for React applications

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.

Modern and scalable routing for React applications

Map-like, concurrent promise processing for Node.js

Modern and scalable routing for React applications

YouTube IFrame Player API abstraction.

Abortable async function helpers

A lazy iterator interface for synchronous and asynchronous iterators

A sane FTP client implementation for NodeJS

An implementation of Domain-like error handling, built on async_hooks

Evaluate asynchronous tasks with configurable concurrency.

Abstract streams to deal with the whole buffered contents.

Make array iteration easy when using async/await and Promises

Async/await error handling support for expressjs

Transform async/await to promise chains

Bundle results of async functions calls into one callback with all the results

Modern and scalable routing for React applications

Test whether a path exists on the filesystem.

Parser for FTP server responses

The fastest key/value storage for React Native. ~30x faster than AsyncStorage! Works on Android, iOS and Web.

Creates a value/error pair to mimic promise behavior

Modern and scalable routing for Web applications

Resolve a path by walking parent directories.

Tiny library for asynchronous control-flow in JavaScript

Async value container

Read the entire contents of a file.

Asynchronous Iterators

Add a callback to the next tick queue.

operators and stream utilities for async iterators

Get the arguments of a function, arrow function, generator function, async function

A module for sequencing and executing tasks and dependencies in maximum concurrency

Flush promises in tests

Automagically generates command-line interfaces (CLI) for any module. Expected options and help sections are created automatically based on parameters names, with support to async. It can be installed globally, in order to *execute* any module, or .js fil

Modern version of setInterval for promises and async functions available in Node.js and browsers.

Tiny async loader for modern browsers

A simple and non-blocking PNG encoder / decoder.

Make bluebird work with the continuation-local-storage module.

A plugin for the Acorn parser that understands the ES7 keywords async and await

Utilities to get and check variable types (isString, isPlainObject, isRegExp, etc)

Automated browser testing for the modern web development stack.

RxJS based middleware for Redux. Compose and cancel async actions and more.

async parallellimitmethod as module.

call your callbacks in a waterfall, at speed

Zero-overhead asynchronous parallel/each/map function call

Debounce promise-returning & async functions

Zero-overhead asynchronous series/each/map function calls

Cancelable Async Flows: a wrapper to treat generators as cancelable async functions

An event emitter implementation with async support in mind

Caching DNS resolve

Loading wrapper and TypeScript types for the PayPal JS SDK

Asynchronous Array Utilities (for await)

Zip/Tar a complete folder or a glob list into a zip/tgz file

Modern and scalable routing for React applications

Library that can be used to retry functions that return promise

Simple, consistent sync or async process spawning

Express Error Handler for Async Functions

Just like EventEmitter, but with support for callbacks and interuption of the listener-chain

SQLite client for Node.js applications with SQL-based migrations API written in Typescript

A lightweight promise library

Asynchronous flow control with a functional taste to it

horsepower for your modules

Maintained fork of later. Determine later (or previous) occurrences of recurring schedules

Mutex locks for async functions

Package provides utils for promises

Parse ePub electronic book files with Node.JS

Create a lazy promise that defers execution until it's awaited or when `.then()`, `.catch()`, or `.finally()` is called

Parse a function into an object using espree, acorn or babylon parsers. Extensible through Smart Plugins

Promisify any of: callback function, sync function, generator function, promise-returning function

This package provides barebone utilities for working with (sync and async) iterators and iterable values in nodejs.

Chainable asynchronous flow control with sequential and parallel primitives and pipeline-style error handling

StreamQueue pipe the queued streams one by one in order to preserve their content order.

ES7 async-await wrapper for the csv package.

Better Queue for NodeJS

co with bluebird promises

rawStream.pipe(JSONStream.parse()).pipe(streamOfObjects)

Simply gzip and ungzip in Node.js with promises

Test whether all promises passes a testing function

Cooperative multi-tasking for Javascript

seriously like the best async child process library

Asynchronous iterator function for parallel processing.

A tiny version of Golang's WaitGroup with typings, promises, and zero dependencies.

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Wrapper above react-select that supports pagination on menu scroll

A very small, flexible, parallel async mapping helper that has first-class support for Iterators and concurrency.

generator async control flow goodness

ponyfill for Node.js core events.on

Async middleware for JavaScript and TypeScript

Retry a promise-returning or async function