JSPM

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

Utility to "pipe" async iterables together

Convert Node.js streams to streaming iterables

Streaming length prefixed buffers with async iterables

Simple async iterables for websocket client connections

Convert push-based streams to pull-based async iterables

Turn Node.js Events into Async Iterables

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

Async pool for iterables

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

Sophisticated and functionally-minded async with advanced features: coroutines, promises, ES2015 iterables, fantasy-land

Simple async iterables for websocket client connections

Create Most.js Streams from async iterables

Promise.all + map for all iterables

Concurrency using chainable async iterables, such as task pool, event queue, pub/sub, merge, chunk, throttle, etc.

Primitives & operators for Communicating Sequential Processes based on async/await and async iterables

The iterable toolbox

Reduce for async iterables.

Async Iterables Interfaces for Web Workers

The iterable toolbox

stream async iterables and promises inside of a json

Merge multiple async iterables into a single sorted async iterable

Map over async iterables

An abstraction to work with iterables of asyncIterables

Get the first fulfilled promise that satisfies the provided testing function

Run multiple promise-returning & async functions with limited concurrency

merges async iterators

Higher-order functions and common patterns for asynchronous code

Tiny yet feature-packed (async) iteration toolkit.

Promisify a callback-style function

A set of yield handlers for Bluebird coroutines

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

Minimal async jobs utility library, with streams support

Fast, in memory work queue

`Start a promise chain

Runtime for Regenerator-compiled generator and async functions.

Run an array of functions in parallel

Map over promises concurrently

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

Creates a prefetched async iterable

A lazy functional iteration library supporting sync, async, and concurrent iteration.

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

A utility to retry failed async methods.

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

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

Simple and modern async event emitter

generator async control flow goodness

Full featured Promises/A+ implementation with exceptionally good performance

Determine if a function is a native async function.

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

Create a promise that can be canceled

A function that returns the normally hidden `AsyncFunction` constructor

Universal WHATWG Fetch API for Node, Browsers and React Native

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

A basic but performant promise implementation

Retry a promise-returning or async function

A set of utilities that extend the use of JSON

Timeout a promise after a specified amount of time

Explode async and generator functions into a state machine.

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

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

A promise based streaming tokenizer

A dependable promises and async utility belt

Promise queue with concurrency control

Create a deferred promise

Environment agnostic nextTick polyfill

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

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

asynchronous function queue with adjustable concurrency

Delay a promise a specified amount of time

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

Check if something is a promise

Promisify an event by waiting for it to be emitted

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

Filter promises concurrently

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

Run some code when the process exits

Iterate over promises serially

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

Memoize/cache function results

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.

Distributed task scheduler and rate limiter

Lock on asynchronous code

A mutex for guarding async workflows

Create sync/async APIs with usable logic

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

0-Deps, simple and fast async generator library for browser and NodeJS

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

Semaphore using `async` and `await`

Wait for a condition to be true

Settle an async function.

Asynchronous bootstrapping of Node applications

Compose promise-returning & async functions into a reusable pipeline

Throttle promise-returning & async functions

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

Extends Chai with assertions about promises.

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

Map over promises serially

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

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)

Compose your async functions with elegance.

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

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

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

`timers/promises` for client and server.

Run an array of functions in series

Take care of your `spawn()`

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

Modular and fast Promises implementation

validate form asynchronous

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.

Wait for multiple callback

A simple asynchronous tool

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.

Modern and scalable routing for React applications

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

Promisified setTimeout

An optionally-asynchronous forEach with an interesting interface.

In memory queue system prioritizing tasks

Async/await wrapper for easy error handling in js

Apply an async function to each Array element in series.

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

Convert any object to thenable

Modern and scalable routing for React applications

Settle promises concurrently and get their fulfillment value or rejection reason

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

The JavaScript Task Runner

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

Wait for any promise to be fulfilled

Modern and scalable routing for React applications

Modern and scalable routing for React applications

Modern and scalable routing for React applications

Abortable async function helpers

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

Coalesces multiple promises for the same identifier into a single request

YouTube IFrame Player API abstraction.

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

Parser for FTP server responses

Make array iteration easy when using async/await and Promises

Map-like, concurrent promise processing for Node.js

Abstract streams to deal with the whole buffered contents.

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

A sane FTP client implementation for NodeJS

Modern and scalable routing for Web applications

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

Modern and scalable routing for React applications

Resolve a path by walking parent directories.

Test whether a path exists on the filesystem.

Async/await error handling support for expressjs

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

Stream and serialize nested promises and async iterables over HTTP, workers, etc

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

Add a callback to the next tick queue.

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

Read the entire contents of a file.

Zero-overhead asynchronous parallel/each/map function call

Async value container

Evaluate asynchronous tasks with configurable concurrency.

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

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

call your callbacks in a waterfall, at speed

Creates a value/error pair to mimic promise behavior

Abort promises and async iterables

An event emitter implementation with async support in mind

Loading wrapper and TypeScript types for the PayPal JS SDK

Transform async/await to promise chains

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

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

Modern and scalable routing for React applications

Debounce promise-returning & async functions

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

A simple and non-blocking PNG encoder / decoder.

Functional async flow control library

horsepower for your modules

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

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

Tiny async loader for modern browsers

Mutex locks for async functions

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

Zero-overhead asynchronous series/each/map function calls

Asynchronous flow control with a functional taste to it

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

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

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

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

Automated browser testing for the modern web development stack.

ES7 async-await wrapper for the csv package.

Library that can be used to retry functions that return promise

A lightweight promise library

Caching DNS resolve

Express Error Handler for Async Functions

seriously like the best async child process library

Simple, consistent sync or async process spawning

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

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

async parallellimitmethod as module.

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

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

Lightweight, reactive, VDOM-less UI/DOM components with async lifecycle and @thi.ng/hiccup compatible

Parse ePub electronic book files with Node.JS

Generic browser priority queue.

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

Simply gzip and ungzip in Node.js with promises

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

Asynchronous Array Utilities (for await)

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

A lean Promises and Async lib for ES6/ES7

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

Async hook

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

Asynchronous iterator function for parallel processing.

co with bluebird promises

Wrapper above react-select that supports pagination on menu scroll

Retry a promise-returning or async function

Modern and scalable routing for React applications

Convert event emitters and event targets to ES async iterators

Test whether all promises passes a testing function

Better Queue for NodeJS

Cooperative multi-tasking for Javascript

Pipe functions in a Unix-like style. It supports Promises (async) anywhere in the pipeline and every step will be executed sequentially. The return (resolve in case of Promises) of each function will be passed in as an argument to the next one

Simple asynchronous middleware pattern

Async middleware for JavaScript and TypeScript

With Bruno CLI, you can now run your API collections with ease using simple command line commands.

Run an array of functions in series, each passing its results to the next function (waterfall)

Modern and scalable routing for React applications

Waits until the given predicate function returns a truthy value, then resolves

Asynchronous String.prototype.replace()

zip and unzip library for node

A lightweight Deferred implementation, on top of Promises/A+

Higher order functions for iterators and async iterators

Enables simple, yet robust handling of async action creators in Redux

DOM Promise and Promises/A+ implementation for Node.js and browsers

Ambi lets you execute any function ambidextrously; providing you the ability to execute any function (be it synchronous, asynchronous, returns, callbacks, promises) as if it returned a promise.

Modern and scalable routing for React applications

`Promise.all` and `Promise.allSettled` with concurrency option and async iterable result

async conditional execution for async.js or standalone usage

CLI Simple, Stupid. Automatic discovery of parameters names. Provides an easy and minimal setup by passing in only a function reference without the need of declaring all expected options names or create a help section by hand. Support to sync / async. Sup

Tiny, dependency free promisify library.