Head-to-Head: Primer CSS vs Fela Analysis

@primer/css

v21.2.2(28 days ago)

This package is actively maintained.The package doesn't have any types definitionsNumber of direct dependencies: 2Monthly npm downloads

@primer/css is a collection of CSS utility classes and components developed by GitHub's design system team, Primer. It provides a set of reusable styles for common UI elements like buttons, forms, typography, and layout components. The CSS framework is lightweight and modular, allowing developers to easily customize and extend styles to fit their design needs.

Alternatives:
tailwindcss+
bootstrap+
bulma+
foundation-sites+
tachyons+
skeleton+
semantic-ui-css+
materialize-css+
spectre.css+
uikit+

Tags: cssutility-classescomponentsdesign-systemgithub

fela

v12.2.1(over 1 year ago)

This package was last published over a year ago. It may not be actively maintained.Types definitions are bundled with the npm packageNumber of direct dependencies: 5Monthly npm downloads

Fela is a high-performance, framework-agnostic styling library for React and other JavaScript frameworks. It follows a functional and atomic CSS approach, where styles are generated dynamically based on component props. Fela provides a powerful plugin system for extending its functionality and supports features like theming, keyframes, and media queries.

Alternatives:
emotion+
styled-components+
jss+
glamor+
aphrodite+
styletron+
linaria+
goober+
stitches+
treat+

Tags: javascriptstylingreactcss-in-jsatomic-css

Fight!

Popularity

Both @primer/css and Fela are popular npm packages in the CSS-in-JS ecosystem. However, @primer/css is specifically developed and maintained by GitHub's Primer CSS framework, which gives it a strong backing and popularity within the GitHub community.

Architecture

@primer/css is a CSS utility library that provides a set of pre-defined utility classes and styles for building responsive and accessible UI components. It follows a utility-first approach and is designed to work seamlessly with the Primer CSS framework. Fela, on the other hand, is a more general-purpose CSS-in-JS library that allows you to write CSS styles using JavaScript objects or functions.

Developer Experience

Both packages offer a good developer experience, but they have different approaches. @primer/css provides a set of ready-to-use utility classes and styles, making it easy to quickly style components without writing custom CSS. Fela, on the other hand, offers a more flexible and programmatic approach, allowing you to define styles using JavaScript objects or functions. This can be beneficial for complex styling scenarios or when you prefer a more dynamic and code-driven approach.

Integration

@primer/css is tightly integrated with the Primer CSS framework and is designed to be used within GitHub's ecosystem. It provides a set of utility classes and styles that align with the Primer CSS design system. Fela, on the other hand, is a standalone library that can be used with any JavaScript framework or library, giving you more flexibility in terms of integration.

Performance

In terms of performance, both @primer/css and Fela are efficient and optimized for production use. However, @primer/css is specifically optimized for the Primer CSS framework and leverages the power of utility classes, which can result in smaller CSS bundles and better runtime performance.

Community and Support

Both packages have active communities and provide good documentation. However, @primer/css benefits from being part of the larger Primer CSS framework, which has a strong community and support from GitHub. Fela also has a dedicated community and offers extensive documentation and examples.