I wrote a tool that compares images using Applitools for Automattic during the React Wordpress admin rewrite a while back. The idea is you'd have a style guide

I wrote a tool that compares images using Applitools for Automattic during the React Wordpress admin rewrite a while back. The idea is you'd have a style guide with examples of all your ui components and render and compare them in various states with various test data. https://github.com/davidjnelson/css-visual-test https://github.com/davidjnelson/css-visual-test