JSPM

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

Zero-overhead asynchronous parallel/each/map function call

Read the entire contents of a file.

Add a callback to the next tick queue.

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

Async value container

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

Zero-overhead asynchronous series/each/map function calls

Evaluate asynchronous tasks with configurable concurrency.

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

call your callbacks in a waterfall, at speed

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

An event emitter implementation with async support in mind

Loading wrapper and TypeScript types for the PayPal JS SDK

Flush promises in tests

Abort promises and async iterables

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

Automated browser testing for the modern web development stack.

Transform async/await to promise chains

Library that can be used to retry functions that return promise

Debounce promise-returning & async functions

A simple and non-blocking PNG encoder / decoder.

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

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

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

Tiny async loader for modern browsers

Asynchronous flow control with a functional taste to it

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

Mutex locks for async functions

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

horsepower for your modules

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

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

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

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

ES7 async-await wrapper for the csv package.

A lightweight promise library

Caching DNS resolve

Express Error Handler for Async Functions

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

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

Wrapper above react-select that supports pagination on menu scroll

async parallellimitmethod as module.

Generic browser priority queue.

Parse ePub electronic book files with Node.JS

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

Simply gzip and ungzip in Node.js with promises

Asynchronous Array Utilities (for await)

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

Functional async flow control library

A lean Promises and Async lib for ES6/ES7

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

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

co with bluebird promises

Ultra-lightweight chunker for everything — arrays, strings, sets, maps, async iterables and more.

Asynchronous iterator function for parallel processing.

Retry a promise-returning or async function

zip and unzip library for node

Convert event emitters and event targets to ES async iterators

Test whether all promises passes a testing function

Modern and scalable routing for React applications

Better Queue for NodeJS

Cooperative multi-tasking for Javascript

Modern and scalable routing for React applications

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

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

Modern and scalable routing for React applications

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

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

Higher order functions for iterators and async iterators

Asynchronous String.prototype.replace()

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

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

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.

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

Async loader for google maps api (browser, typescript)

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

Modern and scalable routing for React applications

Create a transform stream using await instead of callbacks

Tiny, dependency free promisify library.

Modern and scalable routing for React applications

generator async control flow goodness

Make an asynchronous function synchronous

Runs Promises in a pool that limits their concurrency.

multiple hash functions

Asynchronous IO (for Azure Open Source Projects)

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

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

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

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

Modern and scalable routing for React applications

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

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

Detects missing await on async function calls

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

OpenAPI common code for Azure Tools.

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

Common URI handling code.

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

function try-catch wrapper for promises

Run promise-returning & async functions in series

Amazon S3 client for upload/download files

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

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

Promise wrapper over MQTT.js

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

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

A collection of streams that work well with promises (through, map, reduce). Think Through2 with promises

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

FantasyLand compliant (monadic) alternative to Promises

An alternantive to EventEmitter using consumable streams.

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

A simple implementation of async.parallel

Modern and scalable routing for React applications

Next-generation ZeroMQ bindings for Node.js

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

Asynchronous side effects, without the nonsense

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

jQuery style Deferreds

Helper for memoizing async functions and methods

AES crypto native module for react-native

Compose generator and async/await middleware

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

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

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

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

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

A wrapper for asynchronous http requests

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

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.

Promise-based asynchronous readers-writers lock

A consumable stream demultiplexer.

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

async queuemethod as module.

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

Utilities for debouncing and throttling functions in React.

Create a promise with a timeout.

Modern and scalable routing for React applications

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.

A bluebird wrapper for node-mysql

Adds support for managing template helpers to your base application.

Compatible version of p-queue

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

Run async tasks one by one.

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

 

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

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

Run promises in parallel, but throttled

A small embeddable Promise polyfill

A go style channel implementation that works nicely with co

async ensureasyncmethod as module.

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

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

@thi.ng/csp bridge module for @thi.ng/rstream

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

Start multiple async iterables at same time with limited concurrency and give result as they completes.

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

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

CSP-style channel library using ES7 async/await keywords

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

QuickPromise. Resolve Synchronously When Possible.

React component for declarative promise resolution and data fetching

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

Launch server after all async task ready

Rate limit made simple, easy, async.

Asynchronous Node.js wrapper for the Poppler PDF rendering library

Compatible version of p-timeout

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

A lightweight task queue

Foundation for async iterators as streams

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

Full featured Promises/A+ implementation with exceptionally good performance

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).

A promise-based events emitter

Multicolor trampolining for recursive operations

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.

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

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

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

A small and magical composer for all JavaScript asynchronous.

Generator utilities that bring array-like operations to sync and async generators.

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

RequestAnimationFrame friendly async for iterator

Copy files or directories using globs.

A simple promise based function for unit tests.

Delay a promise a specified amount of time

Lightweight promise/generator machinery.

Create async iterator from regular stream

A faktory worker framework for node apps

fast-async/await transformer Babel plugin

Is it a string? Is it a BufferList? Or just a Buffer? Worry no more with `it-buffer`!

Reduce an array of values via an asynchronous function.

Higher-order functions and common patterns for asynchronous code

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

Grunt plugin for A JavaScript parser, mangler/compressor and beautifier toolkit for ES6+.

Make any iterator or iterable abortable via an AbortSignal

React useReducer with async actions

Wrapper over awilix to support more complex use-cases, such as async init and eager injection

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

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

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

Simple flow control for multiple parallel async calls.

Modern and scalable routing for React applications

Safe async RequestHandler to catch Promise rejection

Execute async code in chronological order. The sequence module of FuturesJS (Browser, Node.js, Bower, and Pakmanager)

Creates super long stack traces

NoDent - Asynchronous Javascript language extensions

Efficient stream sharing for most.js

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

Unbelievable and Modern JSON interface.

A node.js module to interact with the Hashicorp Vault API.

Async computed properties for Vue

Modern and scalable routing for applications

Modern and scalable routing for applications

Modern and scalable routing for applications

Modern and scalable routing for React applications

Fast Async Iterator for browser Readable Streams.

A dead simple benchmarking framework

Detect the MIME type of a Buffer, Uint8Array, ArrayBuffer, ReadableStream, file path and file name, with async method.

Asynchronous CLI Spinner. Allow to create and manage simultaneous/multiple spinners at a time.

Promise wrapper for archiver