How this project was made:
npx create-next-app ui-library-test-ssr
yarn add @blablacar/ui-library
vim pages/index.js
yarn dev
Result http://localhost:3000: No SSR (first render hasn't any style)
Edit package.json and set 4.0.0 as version for @blablacar/ui-library
yarn && yarn dev
Result http://localhost:3000: SSR