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.
`babel` CLI replacement with multiple node version support by `babel-preset-env` and `babel-plugin-transform-runtime`. Useful for node.js libraries/modules