intervolga/optimize-cssnano-plugin

Enforce best practices for JavaScript promises

ESlint Plugin for the Standard Linter

BDD style assertions for node and the browser.

Extract text from bundle into a file.

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

simple, flexible, fun test framework

Wrapper around libsass

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.