Plugins expose the full potential of the Webpack engine to third-party developers. Using staged build callbacks, developers can introduce their own behaviors into the Webpack

Prerequirement: Code Splitting If you need multiple bundles

In some cases webpack cannot parse some file, because it has a unsupported module format or isn?t even in a module format. Therefore you have many options to convert the file

Feature webpack/webpack jrburke/requirejs substack/node-browserify

To effectively cache your files, they should have a hash or version in their URL. You can emit or move the output files manually in a folder called v1

Note that Hot Module Replacement (HMR) is still an experimental feature. Introduction Hot Module