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https://github.com/hudochenkov/postcss-sorting

PostCSS plugin to keep rules and at-rules content in order.
https://github.com/hudochenkov/postcss-sorting

css formatting postcss-plugins

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PostCSS plugin to keep rules and at-rules content in order.

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# PostCSS Sorting



[![npm version][npm-version-img]][npm] [![npm downloads last month][npm-downloads-img]][npm]



[PostCSS] plugin to keep rules and at-rules content in order.



Lint and autofix stylesheet order with [stylelint-order].



## Features



* Sorts rules and at-rules content.

* Sorts properties.

* Sorts at-rules by different options.

* Groups properties, custom properties, dollar variables, nested rules, nested at-rules.

* Supports CSS, SCSS (using [postcss-scss]), CSS-in-JS (with [postcss-styled-syntax]), HTML (with [postcss-html]), and most likely any other syntax added by other PostCSS plugins.



## Installation



```bash

npm install --save-dev postcss postcss-sorting

```



## Options



The plugin has no default options. Everything is disabled by default.



- [`order`](./lib/order/README.md): Specify the order of content within declaration blocks.

- [`properties-order`](./lib/properties-order/README.md): Specify the order of properties within declaration blocks.

- [`unspecified-properties-position`](./lib/properties-order/unspecified-properties-position.md): Specify position for properties not specified in `properties-order`.

- `throw-validate-errors`: Throw config validation errors instead of showing and ignoring them. Defaults to `false`.



## Caveats



### Handling comments



Comments that are before node and on a separate line linked to that node. Shared-line comments are also linked to that node. Shared-line comments are comments which are located after a node and on the same line as a node.



```css

a {

	top: 5px; /* shared-line comment belongs to `top` */

	/* comment belongs to `bottom` */

	/* comment belongs to `bottom` */

	bottom: 15px; /* shared-line comment belongs to `bottom` */

}

```



### Ignored at-rules



Some at-rules, like [control](https://sass-lang.com/documentation/file.SASS_REFERENCE.html#control_directives__expressions) and [function](https://sass-lang.com/documentation/file.SASS_REFERENCE.html#function_directives) directives in Sass, are ignored. It means rules won't touch content inside these at-rules, as doing so could change or break functionality.



### CSS-in-JS



Plugin will ignore rules, which have template literal interpolation, to avoid breaking the logic:



```js

const Component = styled.div`

	/* The following properties WILL NOT be sorted, because interpolation is on properties level */

	z-index: 1;

	top: 1px;

	${props => props.great && 'color: red'};

	position: absolute;

	display: block;



	div {

		/* The following properties WILL be sorted, because interpolation for property value only */

		z-index: 2;

		position: static;

		top: ${2 + 10}px;

		display: inline-block;

	}

`;

```



## Usage



See [PostCSS] docs for more examples.



### Command Line



Add [postcss-cli](https://github.com/postcss/postcss-cli) and PostCSS Sorting to your project:



```bash

npm install postcss postcss-cli postcss-sorting --save-dev

```



Create a `postcss.config.js` with PostCSS Sorting configuration:



```js

module.exports = {

	plugins: {

		'postcss-sorting': {

			order: [

				'custom-properties',

				'dollar-variables',

				'declarations',

				'at-rules',

				'rules',

			],



			'properties-order': 'alphabetical',



			'unspecified-properties-position': 'bottom',

		},

	},

};

```



Or, add the `'postcss-sorting'` section to your existing `postcss-cli` configuration file.



Next execute:



```bash

npx postcss --no-map --replace your-css-file.css

```



For more information and options, please consult the [postcss-cli docs](https://github.com/postcss/postcss-cli).



### Gulp



Add [gulp-postcss] and PostCSS Sorting to your build tool:



```bash

npm install postcss gulp-postcss postcss-sorting --save-dev

```



Enable PostCSS Sorting within your Gulpfile:



```js

let gulp = require('gulp');

let postcss = require('gulp-postcss');

let sorting = require('postcss-sorting');



exports['sort-css'] = () => {

	return gulp

		.src('./css/src/*.css')

		.pipe(

			postcss([

				sorting({

					/* options */

				}),

			])

		)

		.pipe(gulp.dest('./css/src'));

};

```



### Text editor



This plugin available as [Sublime Text], [Atom], [VS Code], and [Emacs] plugin. Though, seems all these plugins are not maintained.



## Related tools



[stylelint] and [stylelint-order] help lint stylesheets and let you know if stylesheet order is correct. Also, they could autofix stylesheets.



I recommend [Prettier] for formatting stylesheets.



[npm-version-img]: https://img.shields.io/npm/v/postcss-sorting.svg

[npm-downloads-img]: https://img.shields.io/npm/dm/postcss-sorting.svg

[npm]: https://www.npmjs.com/package/postcss-sorting



[PostCSS]: https://github.com/postcss/postcss

[Sublime Text]: https://github.com/hudochenkov/sublime-postcss-sorting

[Atom]: https://github.com/lysyi3m/atom-postcss-sorting

[VS Code]: https://github.com/mrmlnc/vscode-postcss-sorting

[Emacs]: https://github.com/P233/postcss-sorting.el



[gulp-postcss]: https://github.com/postcss/gulp-postcss

[postcss-scss]: https://github.com/postcss/postcss-scss

[postcss-html]: https://github.com/gucong3000/postcss-html

[postcss-styled-syntax]: https://github.com/hudochenkov/postcss-styled-syntax

[Prettier]: https://prettier.io/

[stylelint]: https://stylelint.io/

[stylelint-order]: https://github.com/hudochenkov/stylelint-order