polymer/vulcanize

deep cloning of objects and arrays

A mature, feature-complete library to parse command-line options.

Generates command-line usage information

Utilities for working with parse5 ASTs

An Esprima-compatible JavaScript parser built on Acorn

Recursively mkdir, like `mkdir -p`

HTML parser and serializer.

Static analysis for Web Components

TypeScript definitions for chai

TypeScript definitions for clone

TypeScript definitions for mocha

TypeScript definitions for node

Stub TypeScript definitions entry for source-map, which provides its own types definitions

BDD/TDD assertion library for node.js and the browser. Test framework agnostic.

node wrapper around clang-format

Firebase JavaScript library for web and Node.js

Classic, reliable, trusted test framework for Node.js and the browser

Easy dependency injection for node.js unit testing

Fixes stack traces for files with source maps

An extensible static analysis linter for the TypeScript language

TypeScript is a language for application scale JavaScript development

The TypeScript Definition Manager