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babel-plugin-emotion
Advanced tools
Package description
The babel-plugin-emotion npm package is designed to enhance the development experience when using Emotion, a popular CSS-in-JS library. It provides optimizations and custom transformations for styles defined in JavaScript, enabling more efficient and powerful styling solutions in React applications. This plugin facilitates the use of Emotion by offering features such as source maps for easier debugging, auto-labeling for better readability of class names, and the optimization of styles for production.
Source Maps
Generates source maps for styles, improving the debugging process by allowing developers to trace back to the original location of a style definition within their code.
"use strict";
var _emotion = require("@emotion/core");
function App() {
return /*#__PURE__*/_emotion.jsx("div", {
css: {
color: 'hotpink'
}
}, "Hello World");
}
Auto-labeling
Automatically adds labels to the generated class names based on the name of the variable or component. This enhances readability in the DOM and helps in identifying components during debugging.
"use strict";
var _emotion = require("@emotion/core");
var _styled = /*#__PURE__*/(0, _emotion.default)("div")
/*#__PURE__*/
.emotionLabel('MyComponent_styled_h1nx9f');
Optimization for Production
In production, the plugin optimizes the styles by compacting and efficient handling, reducing the size of the generated CSS and improving load times.
process.env.NODE_ENV === 'production' ? /*#__PURE__*/require('@emotion/css').css('label:MyComponent;', 'color:hotpink;') : /*#__PURE__*/require('@emotion/css').css('color:hotpink;');
Styled-components is another CSS-in-JS library that allows for styling applications using tagged template literals. While it offers similar functionality in terms of defining styles within JavaScript, it differs in syntax and the way styles are applied. Styled-components focuses on creating styled components without the need for a separate CSS file, whereas babel-plugin-emotion enhances the Emotion library's capabilities with additional compile-time optimizations and features.
This plugin is specifically designed for styled-components, offering similar compile-time enhancements as babel-plugin-emotion but for styled-components. It includes features like server-side rendering optimizations, better debugging with readable class names, and minification of styles for production. The comparison lies in the focus of each plugin on its respective CSS-in-JS library, providing tailored optimizations and developer experience improvements.
FAQs
A recommended babel preprocessing plugin for emotion, The Next Generation of CSS-in-JS.
The npm package babel-plugin-emotion receives a total of 2,258,525 weekly downloads. As such, babel-plugin-emotion popularity was classified as popular.
We found that babel-plugin-emotion demonstrated a not healthy version release cadence and project activity because the last version was released a year ago. It has 4 open source maintainers collaborating on the project.
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