PostCSS HTML Syntax


title="Philosopher’s stone, logo of PostCSS"
src="http://postcss.github.io/postcss/logo.svg">

PostCSS syntax for parsing HTML (and HTML-like)

- Vue Single-File Components
- Svelte Components
- Astro Components
- PHP
- Quick App
- XSLT

Getting Started

First thing's first, install the module:

``bash
npm install postcss-html --save-dev
`

If you want support SCSS/SASS/LESS/SugarSS syntax, you need to install the corresponding module.

- SCSS: postcss-scss
- SASS: postcss-sass
- LESS: postcss-less
- SugarSS: sugarss
- Stylus: postcss-styl

Use Cases

`js
const postcss = require('postcss');
const syntax = require('postcss-html')({
// syntax for parse scss (non-required options)
scss: require('postcss-scss'),
// syntax for parse less (non-required options)
less: require('postcss-less'),
// syntax for parse css blocks (non-required options)
css: require('postcss-safe-parser'),
});
postcss(plugins).process(source, { syntax: syntax }).then(function (result) {
// An alias for the result.css property. Use it with syntaxes that generate non-CSS output.
result.content
});
`

If you want support SCSS/SASS/LESS/SugarSS syntax, you need to install these module:

- SCSS: postcss-scss
- SASS: postcss-sass
- LESS: postcss-less
- SugarSS: sugarss
- Stylus: postcss-styl

Advanced Use Cases

$3

`js
const options = {
rules: [
{
// custom language
test: /^postcss$/i,
lang: 'scss'
},
{
// custom language
test: /^customcss$/i,
lang: 'custom'
},
],

// custom parser for CSS (using postcss-safe-parser)
css: 'postcss-safe-parser',
// custom parser for SASS (PostCSS-compatible syntax.)
sass: require('postcss-sass'),
// custom parser for SCSS (by module name)
scss: 'postcss-scss',
// custom parser for LESS (by module path)
less: require.resolve('./node_modules/postcss-less'),
// custom parser for SugarSS
sugarss: require('sugarss'),
// custom parser for custom language
custom: require('postcss-custom-syntax'),
}
const syntax = require('postcss-html')(options);
`

Turning PostCSS off from within your HTML

PostCSS can be temporarily turned off by using special comments in your HTML. For example:

`html






`

`html








`

Linting with Stylelint

The main use case of this plugin is to apply linting with [Stylelint] to