Storybook + Tests = Forced Isolation as a System
A great tool that connects designers with developers and testers (and even lets the project manager poke around the interface?!).
Wrapping up the practical side, let's talk testing. Buckle up!
Redesign iterations were killing the frontend on a project (where our team lead, a couple of fullstack JS devs, and PM/QA worked). Storybook saved it.
1. Storybook Sets Rules. Tests Enforce Them
1.1 Example of development without isolation: