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.
Custom importer for node-sass that only allows a file to be imported once. Includes additional import bonuses including importing CSS files directly into Sass, automagic Bower imports, the ability to import an `index` file from within a folder name, and the ability to import JSON and YAML files as Sass maps. Inspired by Eyeglass.