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https://github.com/2createStudio/postcss-sprites
Generate sprites from stylesheets.
https://github.com/2createStudio/postcss-sprites
css postcss postcss-plugin sprites spritesheets spritesmith svg svg-sprites
Last synced: 8 days ago
JSON representation
Generate sprites from stylesheets.
- Host: GitHub
- URL: https://github.com/2createStudio/postcss-sprites
- Owner: 2createStudio
- License: mit
- Created: 2015-05-27T08:50:43.000Z (over 9 years ago)
- Default Branch: master
- Last Pushed: 2021-11-17T07:35:52.000Z (almost 3 years ago)
- Last Synced: 2024-10-28T15:42:15.492Z (15 days ago)
- Topics: css, postcss, postcss-plugin, sprites, spritesheets, spritesmith, svg, svg-sprites
- Language: JavaScript
- Size: 152 KB
- Stars: 413
- Watchers: 15
- Forks: 50
- Open Issues: 10
-
Metadata Files:
- Readme: README.md
- Changelog: CHANGELOG.md
- License: LICENSE
Awesome Lists containing this project
README
# postcss-sprites [](https://travis-ci.org/2createStudio/postcss-sprites) [](http://badge.fury.io/js/postcss-sprites)
> [PostCSS](https://github.com/postcss/postcss) plugin that generates spritesheets from your stylesheets.
```css
/* Input */
.comment { background: url(images/sprite/ico-comment.png) no-repeat 0 0; }
.bubble { background: url(images/sprite/ico-bubble.png) no-repeat 0 0; }
/* ---------------- */
/* Output */
.comment { background-image: url(images/sprite.png); background-position: 0 0; }
.bubble { background-image: url(images/sprite.png); background-position: 0 -50px; }
```
----
### Usage
```javascript
var fs = require('fs');
var postcss = require('postcss');
var sprites = require('postcss-sprites');
var css = fs.readFileSync('./css/style.css', 'utf8');
var opts = {
stylesheetPath: './dist',
spritePath: './dist/images/'
};
postcss([sprites(opts)])
.process(css, {
from: './css/style.css',
to: './dist/style.css'
})
.then(function(result) {
fs.writeFileSync('./dist/style.css', result.css);
});
```
See [PostCSS](https://github.com/postcss/postcss) docs for examples for your environment.
----
### Options
###### stylesheetPath
> Relative path to the folder that will keep your output stylesheet(s). If it's null the path of CSS file will be used.
- Default: null
- Required: `false`
###### spritePath
> Relative path to the folder that will keep your output spritesheet(s).
- Default: `./`
- Required: `true`
###### basePath
> Your base path that will be used for images with absolute CSS urls.
- Default: `./`
- Required: `false`
###### relativeTo
> Indicates whether the url should be relative against current CSS context or original CSS stylesheet file.
- Default: `file`
- Required: `false`
- Options: `file|rule`
###### filterBy
> Defines filter functions that will manipulate the list of images founded in your stylesheet(s).
- Default: `[]`
- Required: `false`
- Options: `Function|Function[]`
**Every function must return a ``Promise`` which should be resolved or rejected.**
Built-in filters:
- based on `fs.stat` and used to remove non exisiting images
###### groupBy
> Defines group functions that will manipulate the list of images founded in your stylesheet(s).
- Default: `[]`
- Required: `false`
- Options: `Function|Function[]`
**Every function must return a ``Promise`` which should be resolved with a string or rejected.**
Built-in filters:
- based on `@2x` naming convention
###### retina
> Defines whether or not to search for retina mark in the filename.
- Default: `false`
- Required: `false`
###### hooks
> Defines whether or not to search for retina mark in the filename.
- Default: `{}`
- Required: `false`
###### hooks.onSaveSpritesheet
> Hook that allows to rewrite the data of produced spritesheet.
> If returned value is string, it is used as filepath value, and if returned value is object, it is used as value which will be merged with current spritesheet data.
> Returned value can also be Promise which should return either string or object.
- Default: `null`
- Required: `false`
###### hooks.onUpdateRule
> Hook that allows to rewrite the CSS output for an image.
- Default: `null`
- Required: `false`
###### spritesmith
> A [spritesmith](https://github.com/Ensighten/spritesmith) configuration.
- Default: `{}`
- Required: `false`
###### spritesmith.engine
> The [engine](https://github.com/Ensighten/spritesmith#engines).
- Default: `pixelsmith`
- Required: `false`
###### spritesmith.algorithm
> The [algorithm](https://github.com/Ensighten/spritesmith#algorithms).
- Default: `binary-tree`
- Required: `false`
###### spritesmith.padding
> The space between images in spritesheet.
- Default: `0`
- Required: `false`
###### spritesmith.engineOpts
> The configuration of the [engine](https://github.com/Ensighten/spritesmith#engines).
- Default: `{}`
- Required: `false`
###### spritesmith.exportOpts
> The export options of the [engine](https://github.com/Ensighten/spritesmith#engines).
- Default: `{}`
- Required: `false`
###### svgsprite
> A [svg-sprite](https://github.com/jkphl/svg-sprite#configuration-basics) configuration.
###### verbose
> Prints the plugin output to the console.
- Default: `false`
- Required: `false`
----
### The Image
Every filter or group function will be called with an ``Image`` object.
###### styleFilePath
> An absolute path to the stylesheet - ``/Path/to/your/source/stylesheet.css``
###### path
> An absolute path to the image - ``/Path/to/your/image.png``
###### originalUrl
> The url found in your stylesheet including the query params - ``../image.png?v1``
###### url
> A normalized version of the original url - ``../image.png``
###### ratio
> The retina ratio of your image - ``2``
###### retina
> Indicates whenever your image is retina - ``true``
###### groups
> The groups associated with the image - ``['shapes', '@2x']``
###### token
> The string used as reference in your stylesheet - ``/* @replace|image.png */``
###### coords
> The position & dimensions of image in generated spritesheet - ``{ width: 20, height: 20, x: 0, y: 0 }``
###### spritePath
> A relative path to the generated spritesheet - ``dist/sprite.png``
###### spriteUrl
> A CSS url to the generated spritesheet - ``sprite.png``
###### spriteWidth
> The total width of the spritesheet - ``200``
###### spriteHeight
> The total height of the spritesheet - ``400``
----
### Advanced
- [Filter By](examples/filter-by.md)
- [Group By](examples/group-by.md)
- [Output Dimensions](examples/output-dimensions.md)
- [Skip Prefix](examples/skip-prefix.md)
- [Responsive Spritesheets](examples/responsive-spritesheets.md)
- [Relative To Rule](examples/relative-to-rule.md)
- [Webpack Hot Load](examples/webpack-hot-load.md)
----
### Contributing
Pull requests are welcome.
```
$ git clone [email protected]:2createStudio/postcss-sprites.git
$ npm install
$ npm run watch
```