cerijs/ceri-webpack

fs-extra contains methods that aren't included in the vanilla Node.js fs package. Such as recursive mkdir, copy, and remove.

reads a config file

Unfancy JavaScript

A simple in-memory filesystem. Holds data in a javascript object.

Invoke multiple commands, running in parallel / sequential, matching npm scripts

Webpack based, snapshot only test runner

Robust, expressive, and feature-rich CSS superset

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.

A stand-alone working lightweight version of the W3C Custom Elements specification

Take a snapshot of a webpack output