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rework

CSS manipulations built on css, allowing you to automate vendor prefixing, create your own properties, inline images, anything you can imagine!

Please refer to css for AST documentation and to report parser/stringifier issues.

Installation

$ npm install rework

Usage

var rework = require('rework');
var pluginA = require('pluginA');
var pluginB = require('pluginB');

rework('body { font-size: 12px; }', { source: 'source.css' })
  .use(pluginA)
  .use(pluginB)
  .toString({ sourcemap: true })

API

rework(code, [options])

Accepts a CSS string and returns a new Rework instance. The options are passed directly to css.parse.

Rework#use(fn)

Use the given plugin fn. A rework "plugin" is simply a function accepting the stylesheet root node and the Rework instance.

Rework#toString([options])

Returns the string representation of the manipulated CSS. The options are passed directly to css.stringify.

Unlike css.stringify, if you pass sourcemap: true a string will still be returned, with the source map inlined. Also use sourcemapAsObject: true if you want the css.stringify return value.

Plugins

Rework has a rich collection of plugins and mixins. Browse all the Rework plugins available on npm.

Plugins of particular note:

at2x – serve high resolution images
calc – resolve simple calc() expressions
colors – color helpers like rgba(#fc0, .5)
ease – several additional easing functions
extend – extend: selector support
function – user-defined CSS functions
import – read and inline CSS via @import
inline – inline assets as data URIs
mixin – custom property logic with mixins
npm - inline CSS via @import using node's module resolver
references – property references like height: @width
url – rewrite url()s with a given function
variables – W3C-style variables

Built with rework

License

(The MIT License)

Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the 'Software'), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED 'AS IS', WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

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