JSPM

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

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

Convert any object to thenable

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

Async/await wrapper for easy error handling in js

The JavaScript Task Runner

In memory queue system prioritizing tasks

Apply an async function to each Array element in series.

Wait for any promise to be fulfilled

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

Wait for a specified number of promises to be fulfilled

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.

A modern and powerful server for Node.js

Coalesces multiple promises for the same identifier into a single request

Abortable async function helpers

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

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

Map-like, concurrent promise processing for Node.js

YouTube IFrame Player API abstraction.

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

Make array iteration easy when using async/await and Promises

Parser for FTP server responses

Abstract streams to deal with the whole buffered contents.

A sane FTP client implementation for NodeJS

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

Test whether a path exists on the filesystem.

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

Resolve a path by walking parent directories.

Read the entire contents of a file.

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

Async/await error handling support for expressjs

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

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

Async value container

A replacement for the Match component in React Router v4 that allows for async routes

call your callbacks in a waterfall, at speed

Creates a value/error pair to mimic promise behavior

Add a callback to the next tick queue.

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

Zero-overhead asynchronous parallel/each/map function call

Transform async/await to promise chains

Evaluate asynchronous tasks with configurable concurrency.

A light-weight, promise-based and middleware-driven web framework

An event emitter implementation with async support in mind

Flush promises in tests

Loading wrapper and TypeScript types for the PayPal JS SDK

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

Zero-overhead asynchronous series/each/map function calls

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

It allows you to request async data, store them in redux state and connect them to your react component.

horsepower for your modules

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

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

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

Debounce promise-returning & async functions

A route ranker for TanStack Router that sorts your routes by general specificity.

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

Automated browser testing for the modern web development stack.

A simple and non-blocking PNG encoder / decoder.

Mutex locks for async functions

Asynchronous flow control with a functional taste to it

Tiny async loader for modern browsers

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

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

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

Library that can be used to retry functions that return promise

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

A lightweight promise library

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

Caching DNS resolve

Express Error Handler for Async Functions

ES7 async-await wrapper for the csv package.

Middleware, HOC, & utilities to prefetch view data in React + React-Router + Apollo projects.

Simple, consistent sync or async process spawning

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

seriously like the best async child process library

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

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

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

Parse ePub electronic book files with Node.JS

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

Generic browser priority queue.

a top level exception handle package

A lean Promises and Async lib for ES6/ES7

Asynchronous Array Utilities (for await)

Simply gzip and ungzip in Node.js with promises

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

Asynchronous iterator function for parallel processing.

Wrapper above react-select that supports pagination on menu scroll

Async hook

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

co with bluebird promises

Convert event emitters and event targets to ES async iterators

Retry a promise-returning or async function

Better Queue for NodeJS

Test whether all promises passes a testing function

Async middleware for JavaScript and TypeScript

Cooperative multi-tasking for Javascript

Simple asynchronous middleware pattern

zip and unzip library for node

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

Asynchronous String.prototype.replace()

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

Convert Node.js streams to streaming iterables

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

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

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

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.

Higher order functions for iterators and async iterators

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

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

Async array reduce. Asynchronously applies a function against an accumulator and each element in an array (from left to right, in series) to reduce it to a single value.

The iterable toolbox

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

Asynchronous IO (for Azure Open Source Projects)

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

async conditional execution for async.js or standalone usage

generator async control flow goodness

Tiny, dependency free promisify library.

Runs Promises in a pool that limits their concurrency.

A readable async stream which can be iterated over using a for-await-of loop.

Async loader for google maps api (browser, typescript)

OpenAPI common code for Azure Tools.

multiple hash functions

Wrapper to allow async express handlers with error catching

Create a transform stream using await instead of callbacks

A parallel, asynchronous implementation of forEach in ES6 with a configurable maximum degree of parallelism.

Detects missing await on async function calls

Make an asynchronous function synchronous

Group together synchronous and asynchronous tasks and execute them with support for concurrency, naming, and nesting.

Common URI handling code.

LazyLoad is a lightweight (2.4 kB) and flexible script that speeds up your web application by deferring the loading of your below-the-fold images, videos and iframes to when they will enter the viewport. It's written in plain "vanilla" JavaScript, it leve

Utility to "pipe" async iterables together

A little retry tool to execute a function until the function is successful. Can also bind a timeout to a function. This lib is usable in typescript, in javascript, in node, in SPA tools (rest, Vue, Svelte...) and browser (available in ESM and common js fo

React hooks for RxJS Observables. Simple, flexible, testable and performant.

Enhances html-webpack-plugin functionality with async and defer attributes for script elements

A module for batching individual promises to improve their collective efficiency.

FantasyLand compliant (monadic) alternative to Promises

Create a duplex stream from a readable and a writable stream.

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

Amazon S3 client for upload/download files

Light-weight Fetch implementation transparently supporting both HTTP/1(.1) and HTTP/2

Timeout a promise after a specified amount of time. This is a fork of sindresorhus/p-timeout, but with CommonJS support.

Run promise-returning & async functions in series

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

A module for managing ES6 promise concurrency, frequency, and efficiency.

Asynchronous side effects, without the nonsense

Promise wrapper over MQTT.js

function try-catch wrapper for promises

A simple implementation of async.parallel

Mutex locks for async functions with functionality to use keys for separate locks

Helper for memoizing async functions and methods

jQuery style Deferreds

Streaming length prefixed buffers with async iterables

An alternantive to EventEmitter using consumable streams.

Next-generation ZeroMQ bindings for Node.js

async queuemethod as module.

Read an exact number of bytes from a binary (async) iterable

Promise queue with concurrency control. This is a fork of sindresorhus/p-queue, but with CommonJS support.

SAX based evented streaming JSON parser in JavaScript (browser and node)

A bluebird wrapper for node-mysql

Convert a Cypress chain into a promise for use with async/await

Async/await wrapper with error handling, retry and error override

Asynchronously calls a function on each element in an array in parallel.

The lightweight, dependency-free, dark-theme aware table component for your Mantine UI data-rich applications, featuring asynchronous data loading support, pagination, intuitive Gmail-style additive batch rows selection, column sorting, custom cell data r

Compose generator and async/await middleware

A wrapper for asynchronous http requests

Basic wrapper for await that allows handling of errors without try/catch blocks

Like `Promise.all()` but for `Map` and `Object`

Run and compose async tasks. Easily define groups of tasks to run in series or parallel.

Promise-based asynchronous readers-writers lock

Create a promise with a timeout.

AES crypto native module for react-native

Write a JSON file to disk, also creates intermediate directories in the destination path if they don't already exist.

Use async helpers in templates with engines that typically only handle sync helpers. Handlebars and Lodash have been tested.

Compatible version of p-queue

Run promises in parallel, but throttled

A consumable stream demultiplexer.

A Synchronous Promise.resolve. Preserve Sync/Async. Only Go Async If Necessary.

An async stream which can be iterated over using a for-await-of loop.

$(document).ready() for the 21st century

See https://react-location.tanstack.com/tools/devtools

Run async tasks one by one.

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

The best job scheduler for Node.js and JavaScript with cron, dates, ms, later, and human-friendly support. Works in Node v12.17.0+, uses worker threads to spawn sandboxed processes, and supports async/await, retries, throttling, concurrency, and cancelab

 

A Node.js queue library with controllable concurrency and rate limiting

A small embeddable Promise polyfill

A modern tooling library for asynchronous operations using async/await, promises and async generators

A library for creating powerful and flexible finite state machines. Loosely inspired by Erlang/OTP's gen_fsm behavior.

async ensureasyncmethod as module.

Utilities for debouncing and throttling functions in React.

Practical, lightweight flow control for Node.js. Supports `await`, callbacks and promises.

A go style channel implementation that works nicely with co

Adds support for managing template helpers to your base application.

Isomorphic read/write lock that works in single processes, node clusters and web workers

A promise-based events emitter

CSP-style channel library using ES7 async/await keywords

[![github actions][actions-image]][actions-url] [![coverage][codecov-image]][codecov-url] [![dependency status][deps-svg]][deps-url] [![dev dependency status][dev-deps-svg]][dev-deps-url] [![License][license-image]][license-url] [![Downloads][downloads-im

Aigle is an ideal Promise library, faster and more functional than other Promise libraries

QuickPromise. Resolve Synchronously When Possible.

A lightweight task queue

Generator & Coroutine-based task runner. Fasten your seatbelt.

React component for declarative promise resolution and data fetching

Utilities to help convert a callback-using codebase to promises.

Simple worker threads pool using Node's worker_threads module. Compatible with ES6+ Promise, Async/Await.

Transforms (decorates) express routers or app for transparent work with async controllers and standard error handling

Compatible version of p-timeout

Determine the best order for running async functions, and run them

Asynchronous Node.js wrapper for the Poppler PDF rendering library

high level amazon s3 client. upload and download files and directories

Launch server after all async task ready

Foundation for async iterators as streams

Rate limit made simple, easy, async.

Higher-order functions and common patterns for asynchronous code. Node specific port of async.

Light wrapper over redis_node with first class async & promise support.

Auth route for react router 4.

short-circuited, asynchronous version of Array.protototype.some

Full featured Promises/A+ implementation with exceptionally good performance

fs.readdir with sync, async, streaming, and async iterator APIs + filtering, recursion, absolute paths, etc.

Transform async functions to generator functions with speed and simplicity.

RequestAnimationFrame friendly async for iterator

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).

Multicolor trampolining for recursive operations

Create async iterator from regular stream

A lightweight and flexible JavaScript library for creating and managing workflows and agents.

JavaScript's Promise extensions you may find useful during development.

very simple zipping/uzipping of local files and directories in node.js

fast-async/await transformer Babel plugin

A small and magical composer for all JavaScript asynchronous.

React useReducer with async actions

A lightweight TypeScript/JavaScript adapter for working with Flatfile's Portal

A simple promise based function for unit tests.

A lightweight utility to handle async Express routes and routers with built-in error handling and auto JSON responses.

Lightweight promise/generator machinery.

A faktory worker framework for node apps

Copy files or directories using globs.

Delay a promise a specified amount of time

Simple flow control for multiple parallel async calls.

Function that returns an arbitrary `async function`, or undefined if `async function` syntax is unsupported.

Higher-order functions and common patterns for asynchronous code

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

Make any iterator or iterable abortable via an AbortSignal

Simple and small flow control library to execute async functions in sequence