This plugin extracts CSS into separate files. It creates a CSS file per JS file which contains CSS. It supports On-Demand-Loading of CSS and SourceMaps.

It builds on top of a new webpack v4 feature (module types) and requires webpack 4 to work.

Compared to the extract-text-webpack-plugin: * Async loading * No duplicate compilation (performance) * Easier to use * Specific to CSS

Node.js is an event-based server-side JavaScript engine.