complete redesign: use nodejs on server instead of php - documentation to be updated

nodejs/node_modules/stylus/lib/functions/dirname.js

@@ -0,0 +1,15 @@
+var utils = require('../utils')
+  , path = require('path');
+
+/**
+ * Return the dirname of `path`.
+ *
+ * @param {String} path
+ * @return {String}
+ * @api public
+ */
+
+module.exports = function dirname(p){
+  utils.assertString(p, 'path');
+  return path.dirname(p.val).replace(/\\/g, '/');
+};