250 Most Popular Javascript Packages

Runtime for Regenerator-compiled generator and async functions.

prelude.ls is a functionally oriented utility library. It is powerful and flexible. Almost all of its functions are curried. It is written in, and is the recommended base library for, LiveScript.

Run a function exactly one time

Fast deep equal

pipe streams together and close all of them if one of them closes

HTTP status utility

Fixes stack traces for files with source maps

Module for executing heavy tasks under forked processes in parallel, by providing a `Promise` based interface, minimum overhead, and bound workers.

Read a package.json file

Map over promises concurrently

Big number implementation in pure javascript

option parsing and help generation

Reactive Extensions for modern JavaScript

> Selector parser with built in methods for working with selector strings.

Express style path to RegExp utility

concatenative mapdashery

Callback wrapping utility

Returns true if a string has an extglob.

List of binary file extensions

Get details about the current Continuous Integration environment

Determine if an object is a Buffer

Check if a file path is a binary file

Determine if the JS environment has Symbol support. Supports spec, or shams.

HTTP server cookie parsing and serialization

string representations of objects in node and the browser

ECMAScript spec abstract operations.

Create an array of unique values, in order, from the input arrays

ANSI escape codes for manipulating the terminal

Generate an AST from a string template.

Node.js 0.12 path.isAbsolute() ponyfill

An ini encoder/decoder for node

Add callbacks to requests in flight to avoid async duplication

ECMAScript parsing infrastructure for multipurpose analysis

when you want to fire an event no matter how a process exits.

A light-weight module that brings Fetch API to node.js

Read the closest package.json file

Returns true if any values exist, false if empty. Works for booleans, functions, numbers, strings, nulls, objects and arrays.

Provides a list of electron-to-chromium version mappings

Blazing fast and accurate glob matcher written in JavaScript, with no dependencies and full support for standard and extended Bash glob features, including braces, extglobs, POSIX brackets, and regular expressions.

Get callsites from the V8 stack trace API

Tiny JavaScript tokenizer.

Provides metadata and conversions from repository urls for GitHub, Bitbucket and GitLab

Helper function to change the property 'name' of every function

Use node's fs.realpath, but fall back to the JS implementation if the native one fails

Slice a string with ANSI escape codes

Native Access to MacOS FSEvents

Import a module while bypassing the cache

Returns true if a value exists, false if empty. Works with deeply nested values using object paths.

A smaller version of caniuse-db, with only the essentials!

Flatten nested arrays