styled-components VS react-testing-library

CSS-in-JS is a styling technique wherein CSS is composed using JavaScript instead of defined in external files. This method allows CSS to be scoped locally to components rather than globally, reducing the probability of style conflicts. Utilizing JavaScript also enables dynamic styling easily aligned with the component's state or props. Libraries like Styled Components and Emotion are popular choices in the React... - Source: dev.to / 18 days ago

Styled-components: Allows for maintainable styling with CSS-in-JS. Learn more. - Source: dev.to / 4 months ago

Over the past few years, I've worked with React apps utilising various CSS-in-JS libraries, starting with styled-components, transitioning through emotion, Theme UI, and finally Stitches. I've also integrated MUI, Mantine, and Chakra in numerous client projects. - Source: dev.to / 6 months ago

There are several alternatives to MUI. shadcn/ui is a modern alternative that is very popular. Ant Design is also a great alternative. Charkra UI can also be used as a UI Framework. Some people suggest just using styled components. Some use Tailwind CSS. Yet, for both styled components and Tailwind CSS, one still writes a lot of CSS. This might not provide the best developer experience compared to using a UI... - Source: dev.to / 7 months ago

The project is build using several ready made components available within, Mantine. It’s a fully featured React components library. However some places still use some custom CSS-in-JS so we used some good ol’ styled components. - Source: dev.to / 7 months ago

React Testing Library: provides utilities to make testing easier. - Source: dev.to / 18 days ago

Since we are testing the front-end, we will also rely on the React Testing Library, which provides support for rendering components and custom queries in the DOM. - Source: dev.to / about 1 month ago

It’s not to say 100% coverage is the way to go, but at least some functional testing with something like react-testing-library and cypress can save a lot of time. - Source: dev.to / 4 months ago

If you happen to be using React Testing Library in your project, you'll need to keep the jsdom dev dependency installed. - Source: dev.to / 5 months ago

Documentation: React Testing Library. - Source: dev.to / 6 months ago