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@unocss/core
Advanced tools
@unocss/core is a highly customizable and performant utility-first CSS framework. It allows developers to generate CSS on-demand, providing a flexible and efficient way to style applications. The package is designed to be framework-agnostic and can be integrated with various front-end frameworks.
On-Demand CSS Generation
This feature allows you to generate CSS on-demand based on utility classes. The code sample demonstrates how to create a generator and generate CSS for specific utility classes.
import { createGenerator } from '@unocss/core';
const uno = createGenerator();
const { css } = await uno.generate('p-4 m-2 text-center');
console.log(css);
Customizable Presets
This feature allows you to use and customize presets to extend the functionality of the CSS generator. The code sample shows how to use the `presetUno` preset to generate CSS for utility classes.
import { createGenerator, presetUno } from '@unocss/core';
const uno = createGenerator({
presets: [presetUno()],
});
const { css } = await uno.generate('bg-blue-500 text-white');
console.log(css);
Integration with Frameworks
This feature allows you to integrate @unocss/core with various front-end frameworks like Vite. The code sample demonstrates how to create a Vite plugin that uses @unocss/core to transform code and generate CSS.
import { createGenerator } from '@unocss/core';
import { defineConfig } from 'vite';
const uno = createGenerator();
export default defineConfig({
plugins: [
{
name: 'unocss',
transform(code) {
const { css } = uno.generate(code);
return css;
},
},
],
});
Tailwind CSS is a utility-first CSS framework similar to @unocss/core. It provides a set of predefined classes to build custom designs directly in your markup. Unlike @unocss/core, Tailwind CSS comes with a larger set of default utilities and a more opinionated configuration.
Windi CSS is another utility-first CSS framework that aims to be faster and more efficient than Tailwind CSS. It offers on-demand CSS generation similar to @unocss/core but focuses on performance improvements and additional features like variant groups.
Twind is a small, fast utility-first CSS-in-JS library that provides a similar on-demand CSS generation feature as @unocss/core. It is designed to be lightweight and easy to integrate with JavaScript frameworks, offering a more modern approach to utility-first CSS.
The core engine of UnoCSS without any presets. It can be used as the engine of your own atomic CSS framework.
Please refer to the documentation.
MIT License © 2021-PRESENT Anthony Fu
FAQs
The instant on-demand Atomic CSS engine.
We found that @unocss/core demonstrated a healthy version release cadence and project activity because the last version was released less than a year ago. It has 2 open source maintainers collaborating on the project.
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