JSPM

Asynchronously emit event an event based on the arguments length.

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

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

Modular and fast Promises implementation

Memoize promise-returning & async functions

Modern and scalable routing for React applications

A simple asynchronous tool

Convert any object to thenable

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

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.

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

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.

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.

Settle promises concurrently and get their fulfillment value or rejection reason with optional limited concurrency

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

Coalesces multiple promises for the same identifier into a single request

Wait for a specified number of promises to be fulfilled

IPC over PostgreSQL LISTEN/NOTIFY/UNLISTEN exposed as an EventEmitter

Modern and scalable routing for React applications

Modern and scalable routing for React applications

Abortable async function helpers

Force the supplied callback in to async execution

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

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

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

YouTube IFrame Player API abstraction.

Parser for FTP server responses

Abstract streams to deal with the whole buffered contents.

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

Modern and scalable routing for Web applications

Make array iteration easy when using async/await and Promises

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.

A sane FTP client implementation for NodeJS

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

Test whether a path exists on the filesystem.

Creates a value/error pair to mimic promise behavior

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

Async/await error handling support for expressjs

Read the entire contents of a file.

Zero-overhead asynchronous parallel/each/map function call

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

call your callbacks in a waterfall, at speed

Async value container

Add a callback to the next tick queue.

Zero-overhead asynchronous series/each/map function calls

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

Evaluate asynchronous tasks with configurable concurrency.

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

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

Transform async/await to promise chains

An event emitter implementation with async support in mind

An async channel implementation for Node.js and the browser in typescript.

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

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

Flush promises in tests

Library that can be used to retry functions that return promise

Loading wrapper and TypeScript types for the PayPal JS SDK

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 and scalable routing for React applications

horsepower for your modules

Debounce promise-returning & async functions

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

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

Automated browser testing for the modern web development stack.

Asynchronous flow control with a functional taste to it

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

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

A simple and non-blocking PNG encoder / decoder.

Tiny async loader for modern browsers

Mutex locks for async functions

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

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

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

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

ES7 async-await wrapper for the csv package.

seriously like the best async child process library

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

A lightweight promise library

Caching DNS resolve

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

Express Error Handler for Async Functions

Wrapper above react-select that supports pagination on menu scroll

This is the module that you need to send rss news to a telegram channel.

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

Generic browser priority queue.

Parse ePub electronic book files with Node.JS

Simple, consistent sync or async process spawning

Simply gzip and ungzip in Node.js with promises

async parallellimitmethod as module.

A lean Promises and Async lib for ES6/ES7

Asynchronous Array Utilities (for await)

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

Async hook

Async middleware for JavaScript and TypeScript

co with bluebird promises

Asynchronous iterator function for parallel processing.

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

Better Queue for NodeJS

Modern and scalable routing for React applications

zip and unzip library for node

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

Convert event emitters and event targets to ES async iterators

[![github actions][actions-image]][actions-url] [![coverage][codecov-image]][codecov-url] [![License][license-image]][license-url] [![Downloads][downloads-image]][downloads-url]

Modern and scalable routing for React applications

Retry a promise-returning or async function

Simple asynchronous middleware pattern

Cooperative multi-tasking for Javascript

Test whether all promises passes a testing function

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

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

Asynchronous String.prototype.replace()

Make an asynchronous function synchronous

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

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.

Modern and scalable routing for React applications

[](https://reactjs.org) [](https://www.typescriptlang.org/)

Modern and scalable routing for React applications

A JavaScript extension package for building strong and modern applications.

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

Async loader for google maps api (browser, typescript)

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

Higher order functions for iterators and async iterators

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

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.

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

The iterable toolbox

Create a transform stream using await instead of callbacks

Tiny, dependency free promisify library.

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

Modern and scalable routing for React applications

Asynchronous IO (for Azure Open Source Projects)

Modern and scalable routing for React applications

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

Runs Promises in a pool that limits their concurrency.

async conditional execution for async.js or standalone usage

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

generator async control flow goodness

Modern and scalable routing for React applications

Modern and scalable routing for React applications

Modern and scalable routing for React applications

OpenAPI common code for Azure Tools.

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

Modern and scalable routing for React applications

Modern and scalable routing for React applications

Modern and scalable routing for applications

Modern and scalable routing for React applications

multiple hash functions

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.

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

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

Detects missing await on async function calls

Utility to "pipe" async iterables together

Common URI handling code.

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

function try-catch wrapper for promises

Promise wrapper over MQTT.js

AES crypto native module for react-native

Amazon S3 client for upload/download files

Nexus TypeScript SDK

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

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

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

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.

Run promise-returning & async functions in series

FantasyLand compliant (monadic) alternative to Promises

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

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

Modern and scalable routing for React applications

Utilities for debouncing and throttling functions in React.

Streaming length prefixed buffers with async iterables

An alternantive to EventEmitter using consumable streams.

Asynchronous side effects, without the nonsense

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

Next-generation ZeroMQ bindings for Node.js

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

Helper for memoizing async functions and methods

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

Micro services framework for nodejs

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

A modern zero-dependency Worker communication and orchestration library

A simple implementation of async.parallel

async queuemethod as module.

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

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

Compose generator and async/await middleware

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

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

jQuery style Deferreds

Multi-producer, single-consumer FIFO queue communication primitives

Create a promise with a timeout.

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

A bluebird wrapper for node-mysql

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

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

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

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

Run promises in parallel, but throttled

A small embeddable Promise polyfill

A consumable stream demultiplexer.

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

 

Promise-based asynchronous readers-writers lock

Run async tasks one by one.

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

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

Compatible version of p-queue

A wrapper for asynchronous http requests

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

Adds support for managing template helpers to your base application.

QuickPromise. Resolve Synchronously When Possible.

async ensureasyncmethod as module.

Modern and scalable routing for React applications

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

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

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

React components for [Stripe.js and Elements](https://stripe.com/docs/stripe-js).

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

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

Multicolor trampolining for recursive operations

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

Asynchronous Node.js wrapper for the Poppler PDF rendering library

Compatible version of p-timeout

Launch server after all async task ready

Rate limit made simple, easy, async.

A lightweight React library that simplifies confirmation dialogs with a Promise-based API — like window.confirm(), but fully customizable.

A promise-based events emitter

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

React component for declarative promise resolution and data fetching

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

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

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

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

Full featured Promises/A+ implementation with exceptionally good performance