250 Most Popular Javascript Packages

Fast deep equal

Light ECMAScript (JavaScript) Value Notation - human written, concise, typed, flexible

type-check allows you to check the types of JavaScript values at runtime with a Haskell like type syntax.

Fixes stack traces for files with source maps

RFC6265 Cookies and Cookie Jar for node.js

option parsing and help generation

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.

concatenative mapdashery

Find and load configuration from a package.json property, rc file, or CommonJS module

Runtime for Regenerator-compiled generator and async functions.

Determines if an object can be used as an array

Map over promises concurrently

Big number implementation in pure javascript

Run a function exactly one time

HTTP server cookie parsing and serialization

Returns true if a string has an extglob.

Generate an AST from a string template.

Get details about the current Continuous Integration environment

Determine if an object is a Buffer

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

Read a package.json file

List of binary file extensions

Check if a file path is a binary file

ECMAScript spec abstract operations.

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

string representations of objects in node and the browser

Callback wrapping utility

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

It's a very fast and efficient glob library for Node.js

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

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

ANSI escape codes for manipulating the terminal

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

Add callbacks to requests in flight to avoid async duplication

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

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.

Provides a list of electron-to-chromium version mappings

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

Serialize JavaScript to a superset of JSON that includes regular expressions and functions.

Slice a string with ANSI escape codes

Encode & decode XML and HTML entities with ease & speed

ECMAScript parsing infrastructure for multipurpose analysis

Node.js 0.12 path.isAbsolute() ponyfill

Is this specifier a node.js core module?

Tiny JavaScript tokenizer.

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

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

Check if the process is running inside Windows Subsystem for Linux (Bash on Windows)

An ini encoder/decoder for node

Get callsites from the V8 stack trace API