Design System Utils is a tiny (<1kb) JavaScript library that I built to help developers keep consistent brand and design system styling. It works with any CSS-in-JS solution, like styled-components, Emotion, Glamorous etc
Read the intro article here:
https://medium.com/@mrmartineau/introducing-design-system-utils-fb7363310974
Or have a look at the code here: https://github.com/mrmartineau/design-system-utils
