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https://github.com/tj/styl
Flexible and fast modular CSS preprocessor built on top of Rework
https://github.com/tj/styl
Last synced: 8 days ago
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Flexible and fast modular CSS preprocessor built on top of Rework
- Host: GitHub
- URL: https://github.com/tj/styl
- Owner: tj
- Created: 2013-05-11T03:39:38.000Z (over 11 years ago)
- Default Branch: master
- Last Pushed: 2015-04-10T19:12:28.000Z (over 9 years ago)
- Last Synced: 2024-11-19T23:57:33.765Z (22 days ago)
- Language: JavaScript
- Homepage:
- Size: 396 KB
- Stars: 530
- Watchers: 17
- Forks: 21
- Open Issues: 14
-
Metadata Files:
- Readme: Readme.md
- Changelog: History.md
Awesome Lists containing this project
- awesome-starred - tj/styl - Flexible and fast modular CSS preprocessor built on top of Rework (others)
README
# Styl
Work-in-progress CSS preprocessor.
Spiritual successor of [Stylus](https://github.com/LearnBoost/stylus).
Built on top of [Rework](https://github.com/visionmedia/rework).
Styl is basically an opinionated configuration of Rework. It does not aim for feature parity with Stylus.
If your application benefits from a runtime (conditionals, loops etc.), then Stylus is for you.
If your application benefits from incredibly fast builds, simplicity, and the most transparent CSS
preprocessor around, then Styl is for you.
Building Styl on top of Rework drastically reduces complexity. That’s because Rework is comprised of multiple
smaller pieces, plugins, and has no complex runtime. If you wish to include custom plugins, or configure Styl
beyond its defaults, the interface is the same as Rework.
## Installation
```
$ npm install -g styl
```
or with component:
```
$ component install component/styl
```
or with a script tag using ./styl.js
## Features
All Rework features and plugins are available out-of-the-box, including:
- automatic vendor-prefixed properties
- automatic vendor-prefixed values
- automatic vendor-prefixed keyframes
- additional easing functions
- transparent support for retina hi-res images
- rgba color helpers (`rgba(#fc0, .5)`)
- property reference support (`height: @width`)
- several [mixins](https://github.com/visionmedia/rework-mixins)
- optional whitespace significant syntax
- placeholder selectors
- selector extensions
- parent selector reference
- nested selectors
- command-line executable
## styl(1)
```
Usage: styl [options]
Options:
-h, --help output usage information
-V, --version output the version number
-v, --vendors vendor prefixes to apply [o,ms,moz,webkit]
-w, --whitespace use significant whitespace pre-processor
-c, --compress use output compression
```
## Examples
### CSS syntax
Regular CSS, with no vendor prefixing:
```css
#logo {
width: 50px;
height: @width;
absolute: top 100px left 50%;
background: linear-gradient(top, black, white);
}
```
Compiled with the following command:
```
$ styl < simple.css > out.css
```
Yields:
```css
#logo {
width: 50px;
height: 50px;
position: absolute;
top: 100px;
left: 50%;
background: -o-linear-gradient(top, black, white);
background: -ms-linear-gradient(top, black, white);
background: -moz-linear-gradient(top, black, white);
background: -webkit-linear-gradient(top, black, white);
background: linear-gradient(top, black, white)
}
```
### Whitespace significant syntax
The SASS-style (significant whitespace) syntax supports nesting and parent selector references.
Currently, the CSS style does not; however this is likely to change in the future.
```css
ul
margin: 0
li
list-style: none
a
display: block
text-decoration: none
padding: 5px 10px
&:hover
text-decoration: underline
```
Compiled with the following command:
```
$ styl -w < simple.styl > out.css
```
Yields:
```css
ul {
margin: 0
}
ul li a:hover {
text-decoration: underline
}
ul li a {
display: block;
text-decoration: none;
padding: 5px 10px
}
ul li {
list-style: none
}
```
## API
### Styl(string, options)
Initialize a new `Styl` with the given `string` of regular CSS or
whitespace-significant style CSS with the following options:
- `whitespace` enable css whitespace [false]
- `compress` enable output compression [false]
```js
var styl = require('styl');
var css = styl('body\n color: blue', { whitespace: true }).toString();
```
### Styl#toString()
Convert to CSS.
## Projects
Projects built with Styl:
- [kube styl](https://github.com/james2doyle/kube-styl) - styl implementation of the "kube" css framework
Build tools implementing Styl:
- [grunt-styl](https://github.com/sindresorhus/grunt-styl) by [sindresorhus](https://github.com/sindresorhus)
- [gulp-styl](https://github.com/sindresorhus/gulp-styl) by [sindresorhus](https://github.com/sindresorhus)
## License
MIT