@emotion/styled vs styled-components vs styled-jsx
CSS-in-JS Libraries
@emotion/styledstyled-componentsstyled-jsxSimilar Packages:

CSS-in-JS Libraries

CSS-in-JS libraries allow developers to write CSS styles directly within JavaScript, enabling dynamic styling based on component state and props. These libraries promote a component-centric approach to styling, making it easier to manage styles in large applications. They also enhance the maintainability of styles by co-locating them with the components they affect, thus improving the overall developer experience and reducing the chances of style conflicts.

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@emotion/styled018,009247 kB3719 months agoMIT
styled-components041,0291.84 MB33525 days agoMIT
styled-jsx07,7931.03 MB83a year agoMIT

Feature Comparison: @emotion/styled vs styled-components vs styled-jsx

Performance

  • @emotion/styled:

    @emotion/styled is optimized for performance, using a caching mechanism to avoid unnecessary recalculations of styles. It also supports the use of the css prop for inline styles, which can reduce the overhead of creating styled components.

  • styled-components:

    styled-components can introduce some performance overhead due to its runtime style generation. However, it provides features like server-side rendering and static extraction to mitigate these issues, allowing for optimized loading times and improved performance in production.

  • styled-jsx:

    styled-jsx is lightweight and specifically designed for scoped styles, which can lead to better performance in terms of style encapsulation. It generates styles at build time, ensuring that only the necessary styles are included in the final bundle.

Theming Support

  • @emotion/styled:

    @emotion/styled offers extensive theming capabilities through the ThemeProvider, allowing for easy management of global styles and themes across components. This makes it ideal for applications requiring consistent styling across different sections.

  • styled-components:

    styled-components also provides a ThemeProvider for theming, making it easy to switch themes dynamically. It allows for the creation of reusable theme objects that can be accessed throughout the application, enhancing design consistency.

  • styled-jsx:

    styled-jsx has limited theming support compared to the others, as it focuses on scoped styles. However, it can still be integrated with other theming solutions, but it may require additional setup.

Learning Curve

  • @emotion/styled:

    @emotion/styled has a moderate learning curve, especially for those familiar with CSS-in-JS concepts. Its API is intuitive, but understanding advanced features like theming may take some time for beginners.

  • styled-components:

    styled-components is relatively easy to learn, especially for developers already familiar with React. Its straightforward API and extensive documentation make it accessible for newcomers to CSS-in-JS.

  • styled-jsx:

    styled-jsx is designed to be simple and easy to use, particularly for those using Next.js. Its syntax is straightforward, making it an excellent choice for developers looking for a quick way to implement scoped styles.

Integration with Frameworks

  • @emotion/styled:

    @emotion/styled integrates seamlessly with React and can be used with other frameworks as well. It is particularly beneficial for applications that require high customization and performance optimization.

  • styled-components:

    styled-components is primarily designed for React, providing a rich set of features that enhance the development experience. It is widely adopted in the React community, making it a safe choice for React-based projects.

  • styled-jsx:

    styled-jsx is tailored for Next.js, providing built-in support for server-side rendering and scoped styles. It is less flexible for use with other frameworks but excels in Next.js applications.

Extensibility

  • @emotion/styled:

    @emotion/styled is highly extensible, allowing developers to create custom styles and components easily. It supports various CSS features, including media queries and nested styles, enhancing its flexibility.

  • styled-components:

    styled-components provides a robust API for creating reusable styled components, making it easy to extend and customize styles. Its ecosystem also includes tools for theming and global styles, adding to its extensibility.

  • styled-jsx:

    styled-jsx is less extensible compared to the others, as it focuses on scoped styles. However, it can be combined with other libraries to enhance its capabilities, though this may require additional configuration.

How to Choose: @emotion/styled vs styled-components vs styled-jsx

  • @emotion/styled:

    Choose @emotion/styled if you need high performance and flexibility, especially when working with large applications. It provides powerful theming capabilities and a robust API for styling, along with support for server-side rendering and a smaller bundle size.

  • styled-components:

    Choose styled-components if you prefer a straightforward API and a strong community support. It is well-suited for projects that require a simple way to manage styles and want to leverage features like automatic vendor prefixing and theming out of the box.

  • styled-jsx:

    Choose styled-jsx if you are using Next.js or want to keep your styles scoped to components without worrying about global CSS conflicts. It offers a unique approach with built-in support for server-side rendering and is particularly useful for projects that prioritize simplicity and ease of use.

README for @emotion/styled

@emotion/styled

The styled API for @emotion/react

Install

yarn add @emotion/react @emotion/styled

Usage

import styled from '@emotion/styled'

let SomeComp = styled.div({
  color: 'hotpink'
})

let AnotherComp = styled.div`
  color: ${props => props.color};
`

render(
  <SomeComp>
    <AnotherComp color="green" />
  </SomeComp>
)

More documentation is available at https://emotion.sh/docs/styled.