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

Regex template tag with extended syntax, context-aware interpolation, and always-on best practices

The lodash method `_.debounce` exported as a module.

Expand placeholders in a template string

Parse json safely and at max speed

Native Promise Only: A polyfill for native ES6 Promises **only**, nothing else.

an identity object using ES6 proxies

ECMAScript6 Map polyfill

The insecure key derivation algorithm from OpenSSL

create hashes for browserify

Handy data structures for elements keyed by string.

ECMAScript parsing infrastructure for multipurpose analysis

Make unhandled promise rejections fail hard right away instead of the default silent fail

The option type, also known as the maybe type, for JavaScript

The lodash method `_.cloneDeep` exported as a module.

Extremely fast implementation of node core url library

A thing that is a lot like ES6 `Map`, but without iterators, for use in environments where `for..of` syntax and `Map` are not available.

the acorn javascript parser, preloaded with plugins for syntax parity with recent node versions

The hassle-free way to integrate analytics into any Node.js application

Asynchronous recursive file copy utility.