JSPM

Minimal async jobs utility library, with streams support

Abstract streams to deal with the whole buffered contents.

Monadic streams

Convert Node.js streams to streaming iterables

Foundation for async iterators as streams

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

An alternantive to EventEmitter using consumable streams.

Uint8Array async iterator adapters for Node.js streams

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

Convert push-based streams to pull-based async iterables

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

Fast Async Iterator for browser Readable Streams.

Create handshakes for binary protocols with iterable streams

Dependency-free streams utils for Node.js

Convert push-based streams to pull-based async iterables (fork of queueable)

Pipe ES6 Async Generators through Node.js Streams

Mix Async/Sync code with Promises and Streams in a reusable unified line

Reactive streams & subscription primitives for constructing dataflow graphs / pipelines

An async version of through2-map -- async Array.prototype.map for streams

A comprehensive collection of helper methods for WebStreams with built-in backpressure support, inspired by ReactiveExtensions

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

Parallel transform for web streams. Zero dependencies.

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

Most.js based middleware for Redux. Handle async actions with monadic streams and reactive programming.

**_Node.js core streams for userland_**

Create Most.js Streams from async iterables

Asynchronously recursive, pure function <3 via lazy streams.

Handles completion and errors for sync, callbacks, promises, observables and streams.

Create async iterators from Arrays, EventEmitters, and Streams

A promise based streaming tokenizer

Small, parallel and fast test framework with suppport for async/await, promises, callbacks, streams and observables. Targets and works at node.js v0.10 and above.

A map function for Web Streams with concurrency support. Like node's ReadableStream.map(), but for Web Streams.

ES6 Tagged Template for compiling HTML template streams.

A collection of streams that work well with promises (through, map, reduce). Think Through2 with promises

Map over promises concurrently

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

A set of utilities that extend the use of JSON

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

Convert RxJS Observable streams to async iterators

Efficient way of connecting disparate streams

Settle an async function.

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

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

Parallelized transform streams for everyone!

A consumable stream demultiplexer.

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

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.

A tiny library designed to parallel or series chain streams, promises or functions with callbacks.

Lightweight and real-time data functional stream programming framework like event-stream, written in ES6 using async await with multi-threading and typescript support

Run multiple promise-returning & async functions with limited concurrency

Get the first fulfilled promise that satisfies the provided testing function

Fast, easy and dynamic tokenizer for Node Streams

A simple promise wrapper for child_process.spawn that lets you process output streams while waiting for completion

Compose your async functions with elegance.

Higher-order functions and common patterns for asynchronous code

Promisify a callback-style function

Fast, in memory work queue

Utility to "pipe" async iterables together

Runtime for Regenerator-compiled generator and async functions.

`Start a promise chain

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

Run an array of functions in parallel

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

A utility to retry failed async methods.

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

An asynchronous yieldable version of JSON.stringify and JSON.parse

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

Simple and modern async event emitter

generator async control flow goodness

SaveStream: Effortlessly save and store streams in your web browser. Optimal memory management for large data, seamless integration, and secure reliability. Upgrade your web apps today and unlock the power of efficient stream saving.

Full featured Promises/A+ implementation with exceptionally good performance

Determine if a function is a native async function.

Streaming length prefixed buffers with async iterables

Create a promise that can be canceled

A function that returns the normally hidden `AsyncFunction` constructor

A basic but performant promise implementation

Universal WHATWG Fetch API for Node, Browsers and React Native

Timeout a promise after a specified amount of time

Retry a promise-returning or async function

Explode async and generator functions into a state machine.

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

Open Node Streams on demand with async support (original code from https://github.com/jpommerening/node-lazystream)

An utility belt for working with streams using async iterators

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

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

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

asynchronous function queue with adjustable concurrency

Create a deferred promise

Promise queue with concurrency control

Async npm module for Node JS that reads the first line of a file

Environment agnostic nextTick polyfill

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

Tiny and fast async generator to read streams line by line

Check if something is a promise

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

Promisify an event by waiting for it to be emitted

Delay a promise a specified amount of time

Transform async functions to generator functions with speed and simplicity.

asynchronous function queue with adjustable concurrency

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

Isomorphic, functional type-checking for Javascript

Iterate over promises serially

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).

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

Run some code when the process exits

Filter promises concurrently

nodejs streams using async/await functions

Memoize/cache function results

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

Distributed task scheduler and rate limiter

Lock on asynchronous code

A mutex for guarding async workflows

Create sync/async APIs with usable logic

Concat all buffers/strings yielded from an async iterable into a single BufferList/string

Inspect the life of handle objects in node

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

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

Asynchronous bootstrapping of Node applications

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

Semaphore using `async` and `await`

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

Wait for a condition to be true

Map over promises serially

Compose promise-returning & async functions into a reusable pipeline

Extends Chai with assertions about promises.

Throttle promise-returning & async functions

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

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

validate form asynchronous

A JavaScript extension package for building strong and modern applications.

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

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

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

Wait for multiple callback

`timers/promises` for client and server.

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

Run an array of functions in series

Take care of your `spawn()`

Execute an async function per stream data event, pausing the stream when a concurrency limit is saturated

Modular and fast Promises implementation

An optionally-asynchronous forEach with an interesting interface.

Memoize promise-returning & async functions

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

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

A simple asynchronous tool

Transform streams with async functions, preserving order

Modern and scalable routing for React applications

Convert any object to thenable

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

Promisified setTimeout

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

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

The JavaScript Task Runner

In memory queue system prioritizing tasks

Wait for any promise to be fulfilled

Async/await wrapper for easy error handling in js

Modern and scalable routing for React applications

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

Apply an async function to each Array element in series.

Modern and scalable routing for React applications

Settle promises concurrently and get their fulfillment value or rejection reason

Coalesces multiple promises for the same identifier into a single request

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.

Wait for a specified number of promises to be fulfilled

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

Modern and scalable routing for React applications

Modern and scalable routing for React applications

a runtime interface

Abortable async function helpers

Map-like, concurrent promise processing for Node.js

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

Modern and scalable routing for React applications

YouTube IFrame Player API abstraction.

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

Parser for FTP server responses

Combine multiple evented streams into one

Make array iteration easy when using async/await and Promises

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

Modern and scalable routing for Web applications

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

A sane FTP client implementation for NodeJS

Resolve a path by walking parent directories.

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

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

Creates a value/error pair to mimic promise behavior

Test whether a path exists on the filesystem.

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

Async/await error handling support for expressjs

Zero-overhead asynchronous parallel/each/map function call

Read the entire contents of a file.

Async value container

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

Add a callback to the next tick queue.

call your callbacks in a waterfall, at speed

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

Zero-overhead asynchronous series/each/map function calls

Evaluate asynchronous tasks with configurable concurrency.

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

Transform async/await to promise chains

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

An event emitter implementation with async support in mind

Flush promises in tests

Modern and scalable routing for React applications

Loading wrapper and TypeScript types for the PayPal JS SDK

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

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

Efficient stream sharing for most.js

Automated browser testing for the modern web development stack.

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

Library that can be used to retry functions that return promise

horsepower for your modules

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

Debounce promise-returning & async functions

Asynchronous flow control with a functional taste to it

A simple and non-blocking PNG encoder / decoder.

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

Tiny async loader for modern browsers

Mutex locks for async functions

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

async shell exec, streams, piping

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

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

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

Fast, reliable cipher, hash and hmac methods executed in Node's threadpool for multi-core throughput.

A lightweight promise library

ES7 async-await wrapper for the csv package.

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

The next generation of events handling for javascript! New: abstract away the network!

Caching DNS resolve

Express Error Handler for Async Functions

seriously like the best async child process library

async parallellimitmethod as module.

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

Simple, consistent sync or async process spawning

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

Generic browser priority queue.

Wrapper above react-select that supports pagination on menu scroll

Parse ePub electronic book files with Node.JS

Simply gzip and ungzip in Node.js with promises

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

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

A lean Promises and Async lib for ES6/ES7

Asynchronous Array Utilities (for await)

Async hook

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

Checks whether a command line command exists in the current environment.

Asynchronous iterator function for parallel processing.

Read or write to a stream using while and await, not event handlers.

Async middleware for JavaScript and TypeScript

co with bluebird promises