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.
The CloudFormation Resource Provider Development Kit (RPDK) allows you to author your own resource providers that can be used by CloudFormation. This plugin library helps to provide runtime bindings for the execution of your providers by CloudFormation.