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

nodejs/node_modules/stylus/lib/functions/prefix-classes.js

@@ -0,0 +1,22 @@
+var utils = require('../utils');
+
+/**
+ * Prefix css classes in a block
+ *
+ * @param {String} prefix
+ * @param {Block} block
+ * @return {Block}
+ * @api private
+ */
+
+module.exports = function prefixClasses(prefix, block){
+  utils.assertString(prefix, 'prefix');
+  utils.assertType(block, 'block', 'block');
+
+  var _prefix = this.prefix;
+
+  this.options.prefix = this.prefix = prefix.string;
+  block = this.visit(block);
+  this.options.prefix = this.prefix = _prefix;
+  return block;
+};