Welcome to our Design System.
This design system was built with nothing but HTML, CSS, and JavaScript. There is no Node/NPM/Yarn/etc involved. There are no bundlers like Webpack or Vite. It doesn't rely on a framework or design system kit such as StoryBook.
Whilst there's nothing wrong with using any of the above, native web APIs are now so powerful there's a huge amount we can build without their use.
Why not use a tooling system? Simply, without one, there is so much less to maintain, and nothing to keep updated.
The general approach to this is: