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postcss-colormin
Advanced tools
The postcss-colormin package is a PostCSS plugin designed to optimize color values within your CSS. It reduces the size of color values and converts them into more efficient formats when possible, contributing to smaller CSS file sizes and potentially faster load times for web pages.
Minifying color values
This feature takes a CSS string with color values and uses the colormin plugin to minimize the color values. For example, it can convert '#ff0000' to 'red', which is shorter.
"const postcss = require('postcss');
const colormin = require('postcss-colormin');
postcss([colormin()]).process('a { color: #ff0000; }').then(result => {
console.log(result.css); // Output: 'a { color: red; }'
});"
Converting RGBA to hex when possible
This feature optimizes RGBA color values to their hex or named color equivalent when the alpha value is 1, thus reducing the size of the CSS.
"const postcss = require('postcss');
const colormin = require('postcss-colormin');
postcss([colormin()]).process('a { background-color: rgba(255, 0, 0, 1); }').then(result => {
console.log(result.css); // Output: 'a { background-color: red; }'
});"
cssnano is a modular CSS minifier that includes various optimizations, including color minification. It uses postcss-colormin as one of its plugins, but it provides a broader range of optimizations beyond just color minification.
clean-css is a fast and efficient CSS optimizer for Node.js and the browser. It also performs color optimizations, among other things like reordering rules and removing duplicates, but it is not a PostCSS plugin and works independently.
csso is another CSS minifier that, like postcss-colormin, aims to reduce the size of CSS files. It performs structural optimizations as well as color minification, but it is not built on top of PostCSS and has its own syntax tree format.
Minify colors in your CSS files with PostCSS.
With npm do:
npm install postcss-colormin --save
var postcss = require('postcss')
var colormin = require('postcss-colormin');
var css = 'h1 {color: rgba(255, 0, 0, 1)}';
console.log(postcss(colormin()).process(css).css);
// => 'h1 {color:red}'
For more examples see the tests.
See the PostCSS documentation for examples for your environment.
See CONTRIBUTORS.md.
MIT © Ben Briggs
FAQs
Minify colors in your CSS files with PostCSS.
The npm package postcss-colormin receives a total of 8,954,859 weekly downloads. As such, postcss-colormin popularity was classified as popular.
We found that postcss-colormin demonstrated a healthy version release cadence and project activity because the last version was released less than a year ago. It has 8 open source maintainers collaborating on the project.
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We're excited to announce that Socket now supports the Java programming language.
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