Storybook

Storybook is an open-source tool you can use to develop UI components. Their online UI editor allows you to develop, inspect, and eventually showcase interactively your visual components.

To install Storybook into your existing React project:

$ npx -p @storybook/cli sb init

This will review your project's structure it'll try to understand which view layer you're using (Storybook also supports Vue, Angular,Svelte, and EMber).

Next, you can launch Storybook:

$ npm run storybook