Get the currently executing script, regardless of its source/trigger/synchronicity. Similar to HTML5's `document.currentScript` but arguably much more useful!
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.