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cssnano

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    cssnano

A modular minifier, built on top of the PostCSS ecosystem.


Version published
Weekly downloads
11M
decreased by-1.42%
Maintainers
8
Install size
10.1 MB
Created
Weekly downloads
 

Package description

What is cssnano?

cssnano is a modular minifier for CSS, which uses PostCSS for its plugin architecture. It is aimed at reducing the size of CSS files by applying various optimizations, such as removing whitespace, comments, and unnecessary prefixes, as well as merging rules and minifying values.

What are cssnano's main functionalities?

Preset Configuration

This code demonstrates how to use cssnano with its default preset to minify a CSS string. The 'process' method is called on the PostCSS instance with cssnano as a plugin.

const cssnano = require('cssnano');
const postcss = require('postcss');

postcss([cssnano()])
.process(css, { from: undefined })
.then(result => {
  console.log(result.css);
});

Custom Plugin Usage

This code shows how to use cssnano with other PostCSS plugins like autoprefixer. It demonstrates the use of a custom preset configuration for cssnano.

const cssnano = require('cssnano');
const autoprefixer = require('autoprefixer');
const postcss = require('postcss');

postcss([autoprefixer, cssnano({ preset: 'default' })])
.process(css, { from: undefined })
.then(result => {
  console.log(result.css);
});

Optimizing for Production

This code snippet illustrates how to use cssnano for production by disabling source maps and using the default preset for optimization.

const cssnano = require('cssnano');
const postcss = require('postcss');

postcss([cssnano({ preset: 'default' })])
.process(css, { from: undefined, map: false })
.then(result => {
  console.log(result.css);
});

Other packages similar to cssnano

Readme

Source

cssnano

For documentation, please see the following links:

  • Repository: https://github.com/cssnano/cssnano
  • Website: http://cssnano.github.io/cssnano

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Last updated on 05 Jun 2024

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