In the example below, I show both examples. The Emotion docs are a lot more polished Emotion CSS in MUI ExampleĮmotion supports CSS syntax (using a string) and JavaScript object syntax.4.7 million weekly download vs 2.7 million (week of 6-14-2022).Both packages are excellent, but here’s my best ideas as to why they changed: Material-UI v4 used JSS as their primary third-party CSS library. Emotion Composition Composition Edit this page Composition is one of the most powerful and useful patterns in Emotion. This means MUI has enhanced their APIs with MUI-specific needs (like supporting the MUI system and shorthand). With normal CSS, the styles for a component are defined in a separate file. The 2 minutes it takes to setup Emotion in any. MUI provides their sx and styled APIs as wrappers around Emotion. This guide contains several recommendations for how to use Emotion in your. My list: - Raw CSS - CSS modules - Styled Components - JSS - styled-jsx I dont see the need to try any others. This reduces the MUI team’s development time and the amount of code they need to maintain, while giving them significant capabilities that are well tested. It is wise for MUI to build on top of an existing and popular CSS library. We can compose individual element styling from commonly used styling objects: const standardDiv= css` Now that we understand CSS-in-JS, let's use Emotion in the alert component. Here are a few examples:īelow is an example of style composition. So, because I’m lazy, I find myself often resorting to using the style prop for quick adjustments.īut using the css prop avoids these pitfalls, while still providing the opportunity to wrap styles into a component if it’s worth reusing and semantically meaningful.5 MUI Emotion vs MUI Styled Components What is Emotion CSS Library?Įmotion’s goal is to make CSS in JavaScript simple as well as bring powerful syntax tools to CSS. Furthermore, the boilerplate often feels burdensome when applying small custom styles, such as altering margins or padding. Bundlephobia helps you find the performance impact of npm. Naming these components with a meaningful descriptor can be tough. Size of emotion/css v11.10.8 is 14.8 kB (minified), and 5.9 kB when compressed using GZIP. This results in many components which lack obvious semantic importance which nevertheless require distinct names. When working with the styled api you generally need to create names for components with distinct styles. (Note that as of v4 Styled-components also supports objects). The small downside to objects is that they are slightly more cumbersome to write and aren’t easily copied from browsers. But in comparing the two libraries, I’m really comparing two distinct options for styling your components. Emotion even exposes a styled api that basically mimics how styled-components works. Both Emotion and Styled-components allow you to style components using a css attribute (Styled-components added this in version 4). In truth, Emotion shares much with the other behomoth in the CSS-in-JS realm, Styled-components. My main task here is to argue that using the css prop from Emotion is the best way to style your apps. If you’re not, it’s worth perusing the many great articles and videos about the benefits of writing css in Javascript. Let’s assume that you’re already on the CSS-in-JS bandwagon. I’ve tried all of this, and using Emotion’s css prop is easily my favourite. Were working to port emotion/babel-plugin to the Next.js Compiler. I’ve used css modules, preprocessors including Sass, Less, and Stylus, BEM, functional css (using Tachyons), and I’ve used numerous CSS-in-JS libraries including Styled-components, and react-native stylesheets. I have written css for the web in just about every way imaginable.
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