JSPM

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

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

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

asynchronous function queue with adjustable concurrency

nodejs streams using async/await functions

Create a deferred promise

Promise queue with concurrency control

Environment agnostic nextTick polyfill

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

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

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

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

Transform async functions to generator functions with speed and simplicity.

Iterate over promises serially

asynchronous function queue with adjustable concurrency

Isomorphic, functional type-checking for Javascript

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).

Filter promises concurrently

Run some code when the process exits

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

Memoize/cache function results

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

Distributed task scheduler and rate limiter

A mutex for guarding async workflows

Lock on asynchronous code

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.

Create sync/async APIs with usable logic

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

Asynchronous bootstrapping of Node applications

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

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.

Map over promises serially

Wait for a condition to be true

Compose promise-returning & async functions into a reusable pipeline

Extends Chai with assertions about promises.

A JavaScript extension package for building strong and modern applications.

Throttle promise-returning & async functions

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

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

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

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

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

validate form asynchronous

Wait for multiple callback

Run an array of functions in series

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

Take care of your `spawn()`

`timers/promises` for client and server.

An optionally-asynchronous forEach with an interesting interface.

Modular and fast Promises implementation

Memoize promise-returning & async functions

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

A simple asynchronous tool

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

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

Modern and scalable routing for React applications

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

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

Convert any object to thenable

Promisified setTimeout

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

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

The JavaScript Task Runner

Wait for any promise to be fulfilled

Async/await wrapper for easy error handling in js

In memory queue system prioritizing tasks

Modern and scalable routing for React applications

Apply an async function to each Array element in series.

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

Modern and scalable routing for React applications

Settle promises concurrently and get their fulfillment value or rejection reason

An utility belt for working with streams using async iterators

Wait for a specified number of promises to be fulfilled

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.

a runtime interface

Modern and scalable routing for React applications

Modern and scalable routing for React applications

Abortable async function helpers

Map-like, concurrent promise processing for Node.js

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

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

Modern and scalable routing for React applications

YouTube IFrame Player API abstraction.

Make array iteration easy when using async/await and Promises

Parser for FTP server responses

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

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

A sane FTP client implementation for NodeJS

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

Resolve a path by walking parent directories.

Creates a value/error pair to mimic promise behavior

Test whether a path exists on the filesystem.

Async/await error handling support for expressjs

Read the entire contents of a file.

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

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

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

Async value container

Add a callback to the next tick queue.

call your callbacks in a waterfall, at speed

Transform async/await to promise chains

Efficient stream sharing for most.js

Zero-overhead asynchronous parallel/each/map function call

Evaluate asynchronous tasks with configurable concurrency.

Transform streams with async functions, preserving order

Zero-overhead asynchronous series/each/map function calls

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

Flush promises in tests

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

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

Automated browser testing for the modern web development stack.

An event emitter implementation with async support in mind

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

Make streams thenable

Loading wrapper and TypeScript types for the PayPal JS SDK

horsepower for your modules

Modern and scalable routing for React applications

Debounce promise-returning & async functions

Library that can be used to retry functions that return promise

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

A simple and non-blocking PNG encoder / decoder.

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

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

Tiny async loader for modern browsers

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

Asynchronous flow control with a functional taste to it

Mutex locks for async functions

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

async parallellimitmethod as module.

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

A lightweight promise library

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

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

Simple, consistent sync or async process spawning

Caching DNS resolve

Express Error Handler for Async Functions

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

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

ES7 async-await wrapper for the csv package.

Asynchronous Array Utilities (for await)

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

Parse ePub electronic book files with Node.JS

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

seriously like the best async child process library

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

Wrapper above react-select that supports pagination on menu scroll

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

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

Asynchronous iterator function for parallel processing.

A lean Promises and Async lib for ES6/ES7

Simply gzip and ungzip in Node.js with promises

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

Generic browser priority queue.

co with bluebird promises

Async hook

Modern and scalable routing for React applications

Test whether all promises passes a testing function

Retry a promise-returning or async function

Better Queue for NodeJS

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Cooperative multi-tasking for Javascript

Convert event emitters and event targets to ES async iterators

Async middleware for JavaScript and TypeScript

zip and unzip library for node

generator async control flow goodness

Simple asynchronous middleware pattern

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

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.

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

Modern and scalable routing for React applications

Asynchronous String.prototype.replace()

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.

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

Modern and scalable routing for React applications

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

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

The iterable toolbox

Higher order functions for iterators and async iterators

Modern and scalable routing for React applications

Asynchronous IO (for Azure Open Source Projects)

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

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

Tiny, dependency free promisify library.

Modern and scalable routing for React applications

Modern and scalable routing for React applications

Async loader for google maps api (browser, typescript)

multiple hash functions

ES6 Tagged Template for compiling HTML template streams.

Runs Promises in a pool that limits their concurrency.

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

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

OpenAPI common code for Azure Tools.

Modern and scalable routing for React applications

[![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

Create a transform stream using await instead of callbacks

Modern and scalable routing for React applications

Modern and scalable routing for React applications

Detects missing await on async function calls

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 applications

Lightweight lazy streams in TypeScript

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

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

Modern and scalable routing for React applications

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

A toolbox of utilities to help with async (promise-based) transformations

Modern and scalable routing for React applications

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

Common URI handling code.

Run promise-returning & async functions in series

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

Make an asynchronous function synchronous

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

A version of map-stream with support for callbacks, promises, observables and streams.

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

Amazon S3 client for upload/download files

function try-catch wrapper for promises

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

FantasyLand compliant (monadic) alternative to Promises

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

Promise wrapper over MQTT.js

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

Asynchronous side effects, without the nonsense

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

A simple implementation of async.parallel

Helper for memoizing async functions and methods

Compose generator and async/await middleware

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

Next-generation ZeroMQ bindings for Node.js

async queuemethod as module.

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

jQuery style Deferreds

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

Modern and scalable routing for React applications

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