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

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

@@ -0,0 +1,23 @@
+var utils = require('../utils')
+  , nodes = require('../nodes');
+
+/**
+ * Assign `type` to the given `unit` or return `unit`'s type.
+ *
+ * @param {Unit} unit
+ * @param {String|Ident} type
+ * @return {Unit}
+ * @api public
+ */
+
+module.exports = function unit(unit, type){
+  utils.assertType(unit, 'unit', 'unit');
+
+  // Assign
+  if (type) {
+    utils.assertString(type, 'type');
+    return new nodes.Unit(unit.val, type.string);
+  } else {
+    return unit.type || '';
+  }
+};