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.
This library has been factored out of [ArchiveWeb.page](https://webrecorder/archiveweb.page) and represents the core service worker implementation necessarily for high-fidelity web archiving.