The Stylus project is no longer maintained.
broccoli-stylus 
Compile Stylus
Issues with the output should be reported on the Stylus issue tracker.
$ npm install --save-dev broccoli-stylus
var stylus = require('broccoli-stylus');
tree = stylus(tree, options);Type: array
Paths to scan for @import directives when parsing.
Type: array
Pass in Stylus plugins to be used during compilation.
Type: array
Defer importing of the given paths until evaluation is performed.
Type: array
Will use iterate over the values and call stylus.define(value, stylus.url()); for each iteration.
Type: object
Set some settings.
Type: object
Define global variables that will be accessible in Stylus files.
MIT © Sindre Sorhus