Babel compiler core.

This plugin transforms static class properties as well as properties declared with the property initializer syntax

Externalise references to helpers and builtins, automatically polyfilling your code without polluting globals

A Babel preset for each environment.

Babel preset for TypeScript.

Promise based HTTP client for the browser and node.js

babel module loader for webpack

Standard library

Delightful JavaScript Testing.

Run your tests using Jest & Puppeteer.

Lerna is a fast, modern build system for managing and publishing multiple JavaScript/TypeScript packages from the same repository

Power Assert in JavaScript

A deep deletion module for node (like `rm -rf`)

A Jest transformer with source map support that lets you use Jest to test projects written in TypeScript

Packs ECMAScript/CommonJs/AMD modules for the browser. Allows you to split your codebase into multiple bundles, which can be loaded on demand. Supports loaders to preprocess files, i.e. json, jsx, es7

CLI for webpack & friends

Serves a webpack app. Updates the browser on changes.