While the Storybook community offers over 250 addons, you can also build one tailored to your specific needs. This guide introduces you to the Addon Kit and APIs, along the way you will build an addon from scratch.
Table of ContentsFollow along as we code the Outline addon—used for visually debugging CSS layout and alignment. It adds a toolbar button that outlines all UI elements, making it easy to verify positioning and placement at a glance.