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.
Retrieve all Leaflet Default Icon options from CSS, in particular all icon images URL's, to improve compatibility with bundlers and frameworks that modify URL's in CSS.