JSPM

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

Wait for a condition to be true

Map over promises serially

Settle an async function.

Compose promise-returning & async functions into a reusable pipeline

An easy way to run reliable polling without messing with setTimeout.

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.

Throttle promise-returning & async functions

A browser library for handling asynchronously loading and interacting with external script dependencies with promises. Written in TypeScript.

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

Compose your async functions with elegance.

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

validate form asynchronous

`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

A JavaScript extension package for building strong and modern applications.

Programmatically Loads remote scripts via script tag

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()`

Modular and fast Promises implementation

Memoize promise-returning & async functions

An optionally-asynchronous forEach with an interesting interface.

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

Create the powerful singleton easily

Async file and script loader that works both in the browser and in nodejs / io.js.

A simple asynchronous tool

Modern and scalable routing for React applications

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

Convert any object to thenable

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

Promisified setTimeout

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

In memory queue system prioritizing tasks

The JavaScript Task Runner

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

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

Translate text to different languages on node.js and the browser

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

Coalesces multiple promises for the same identifier into a single request

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

Creates a queue of sync or async functions with resolve and reject callback.

Run a script that exports an `async` function

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.

Parser for FTP server responses

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

Modern and scalable routing for Web applications

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

Abstract streams to deal with the whole buffered contents.

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

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

Test whether a path exists on the filesystem.

Zero-overhead asynchronous parallel/each/map function call

Read the entire contents of a file.

Async value container

Add a callback to the next tick queue.

call your callbacks in a waterfall, at speed

Evaluate asynchronous tasks with configurable concurrency.

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

Zero-overhead asynchronous series/each/map function calls

Lightweight promise/generator machinery.

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

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

Automated browser testing for the modern web development stack.

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

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

horsepower for your modules

Library that can be used to retry functions that return promise

Debounce promise-returning & async functions

A simple and non-blocking PNG encoder / decoder.

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

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

Mutex locks for async functions

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

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

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

ES7 async-await wrapper for the csv package.

A lightweight promise library

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

Dynamic scripts loading for modern browsers.

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

jsonp minimal client for the browser (1.4K) and Node.js

Simple, consistent sync or async process spawning

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

Generic browser priority queue.

Parse ePub electronic book files with Node.JS

Wrapper above react-select that supports pagination on menu scroll

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

Async hook

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

Asynchronous Array Utilities (for await)

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

Asynchronous iterator function for parallel processing.

A Svelte action that monitors an element enters or leaves the viewport or a parent element. Performant and efficient thanks to using Intersection Observer under the hood.

Async middleware for JavaScript and TypeScript

co with bluebird promises

Modern and scalable routing for React applications

Retry a promise-returning or async function

Convert event emitters and event targets to ES async iterators

Test whether all promises passes a testing function

zip and unzip library for node

ES6 Promise polyfill

Better Queue for NodeJS

Cooperative multi-tasking for Javascript

Simple asynchronous middleware pattern

Modern and scalable routing for React applications

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

Convert Node.js streams to streaming iterables

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

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

Modern and scalable routing for React applications

Asynchronous String.prototype.replace()

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

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.

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

The iterable toolbox

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

Higher order functions for iterators and async iterators

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

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

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

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

another simple/tiny javascript/css loader

async conditional execution for async.js or standalone usage

Asynchronous IO (for Azure Open Source Projects)

Universal WHATWG Fetch API for Node, Browsers and React Native

Make an asynchronous function synchronous

Tiny, dependency free promisify library.

Modern and scalable routing for React applications

Create a transform stream using await instead of callbacks

generator async control flow goodness

Modern and scalable routing for React applications

Runs Promises in a pool that limits their concurrency.

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

multiple hash functions

Modern and scalable routing for React applications

Modern and scalable routing for React applications

Modern and scalable routing for React applications

Modern and scalable routing for React applications

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

Modern and scalable routing for React applications

Modern and scalable routing for React applications

OpenAPI common code for Azure Tools.

Modern and scalable routing for applications

Detects missing await on async function calls

Modern and scalable routing for React applications

Modern and scalable routing for React applications

Tiny event bus inspired in Node's EventEmitter

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.

A CGI-like router that maps URLs to JavaScript layed out on a file system.

Common URI handling code.

module.exports and module.import for browsers too

A lightweight and high performance async CSS and script loader for frontend optimization.

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

Run promise-returning & async functions in series

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

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

Amazon S3 client for upload/download files

function try-catch wrapper for promises

Promise wrapper over MQTT.js

A simple poll function based on async, await, and an infinite loop

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

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

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

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

An alternantive to EventEmitter using consumable streams.

A simple implementation of async.parallel

Asynchronous side effects, without the nonsense

Streaming length prefixed buffers with async iterables

Helper for memoizing async functions and methods

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

Modern and scalable routing for React applications

Load a script or stylesheet in the browser asynchronously, returning a Promise

Next-generation ZeroMQ bindings for Node.js

AES crypto native module for react-native

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

jQuery style Deferreds

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

async queuemethod as module.

Compose generator and async/await middleware

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

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

A wrapper for asynchronous http requests

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

Modern and scalable routing for React applications

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

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

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

Filesystem API easily usable with Promises and arrays

A bluebird wrapper for node-mysql

A consumable stream demultiplexer.

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

Promise-based asynchronous readers-writers lock

Utilities for debouncing and throttling functions in React.

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

Create a promise with a timeout.

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

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

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

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

Compatible version of p-queue

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

Run async tasks one by one.

Run promises in parallel, but throttled

 

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

A go style channel implementation that works nicely with co

Adds support for managing template helpers to your base application.

Dynamically load a svelte component

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

async ensureasyncmethod as module.

A small embeddable Promise polyfill

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