Too Long; Didn't Read
Airbnb, Apple, Uber, Spotify, Spotify have created a company-wide design system. StencilJS is a toolchain for creating reusable, scalable design systems built on top of Web Components. It provides a set of tools to start working on your design system right now and makes it easy to work with Web Components. It also features screenshot testing (apart from e2e and Jest integration) to the Rescue. The core component of any design system is a simple-yet-stateful component.