onehatrepo/events

Node's event emitter for all engines.

Babel compiler core.

Babel command line

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 require hook

babel's modular runtime helpers

babel module loader for webpack

Cypress is a next generation front end testing tool built for the modern web

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, css, less, ... and your custom stuff.

Cypress preprocessor for bundling JavaScript via webpack