In most React applications, there are many components working closely together to share and pass data between them. This can sometimes make it difficult to test components individually. Maybe you want to see how a component will react when given invalid data, or you want to test your component visually in different states. Storybook gives you a great way to do this in isolation, without worrying about the app-specific dependencies or requirements.

Storybook is an open-source tool for developing user interface components in isolation. In other words, it’s a playground for UI components. In this blog, we will dive into the basics of Storybook, write a Storybook for Material UI’s button component, and look at a couple of its add-ons.