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docs		docs
src		src
test		test
.gitignore		.gitignore
.npmignore		.npmignore
CHANGELOG.md		CHANGELOG.md
LICENSE.txt		LICENSE.txt
README.md		README.md
eslint.config.mjs		eslint.config.mjs
package.json		package.json
tsconfig.json		tsconfig.json

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htmlnano

Modular HTML minifier, built on top of thePostHTML. Inspired bycssnano.

Benchmarks

Website	Source (KB)	html-minifier-terser	html-minifier-next	htmlnano	minify	minify-html
stackoverflow.blog	166	3.3%	3.3%	8.3%	4.6%	4.0%
github.com	541	3.7%	3.7%	18.1%	7.9%	6.2%
en.wikipedia.org	220	4.6%	4.6%	4.9%	6.2%	2.9%
npmjs.com	460	0.5%	0.5%	0.9%	3.6%	0.7%
tc39.es	7198	8.5%	8.5%	8.7%	9.5%	9.1%
apple.com	190	7.6%	7.6%	12.1%	10.5%	8.1%
w3.org	49	18.9%	18.9%	23.0%	24.1%	19.9%
weather.com	1770	0.2%	0.2%	12.1%	11.9%	0.6%
Avg. minify rate		5.9%	5.9%	11.0%	9.8%	6.4%

Latest benchmarks:https://github.com/maltsev/html-minifiers-benchmark (updated daily).

Documentation

https://htmlnano.netlify.app

Usage

npm install htmlnano

consthtmlnano=require('htmlnano');constoptions={removeEmptyAttributes:false,// Disable the module "removeEmptyAttributes"collapseWhitespace:'conservative'// Pass options to the module "collapseWhitespace"};// posthtml, posthtml-render, and posthtml-parse optionsconstpostHtmlOptions={sync:true,// https://github.com/posthtml/posthtml#usagelowerCaseTags:true,// https://github.com/posthtml/posthtml-parser#optionsquoteAllAttributes:false,// https://github.com/posthtml/posthtml-render#options};htmlnano// "preset" arg might be skipped (see "Presets" section below for more info)// "postHtmlOptions" arg might be skipped.process(html,options,preset,postHtmlOptions).then(function(result){// result.html is minified}).catch(function(err){console.error(err);});