Sass.js

JavaScript implementation of Sass. Great for node.js and other frameworks supporting the CommonJS module system.

Installation

Install the Kiwi package manager for nodejs and run:

  $ kiwi install sass

Or npm:

  $ npm install sass

Usage

var sass = require('sass')
sass.render('... string of sass ...')
// => '... string of css ...'

sass.collect('... string of sass ...')
// => { selectors: [...], variables: { ... }, mixins: { ... }}

Comments

// foo
body
  // bar
  a
    :color #fff

compiles to

body a {
  color: #fff;}

Variables

!red = #ff0000
body
  :color !red

and

red: #ff0000
body
  :color !red

compile to

body {
  color: #ff0000;}

Selector Continuations

a
  :color #fff
  &:hover
    :color #000
  &.active
    :background #888
    &:hover
      :color #fff

compiles to

a {
  color: #fff;}

a:hover {
  color: #000;}

a.active {
  background: #888;}

a.active:hover {
  color: #fff;}

Literal JavaScript

type: "solid"
size: 1
input
  :border { parseInt(size) + 1 }px {type} #000

compiles to

input {
  border: 2px "solid" #000;}

Property Expansion

div
  =border-radius 5px

compiles to

div {
  -webkit-border-radius: 5px;
  -moz-border-radius: 5px;}

Mixins

 +large
   :font-size 15px
 +striped
   tr
     :background #fff
     +large
     &:odd
       :background #000
 table
   +striped
   :border none

compiles to

table {
  border: none;}
table tr {
  background: #fff;}
table tr {
  font-size: 15px;}
table tr:odd {
  background: #000;}

Testing

Update Git submodules and execute: $ make test or $ node spec/node.js or $ jspec --node

More Information

• Featured in Advanced JavaScript e-book for only $4

License

(The MIT License)

Copyright (c) 2009 TJ Holowaychuk <tj@vision-media.ca>

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.