Parse selectors array instead of splitting #3

Author: RadValentin

index.js

@@ -7,15 +7,13 @@ module.exports = function (options) {
   assert(prefix)
   if (!/\s+$/.test(prefix)) prefix += ' '
   return function (root) {
-    root.eachRule(function (rule) {
-      // pretty sure this splitting breaks for certain selectors
-      var selectors = rule.selector.split(/\s*,\s*/g)
-      rule.selector = selectors.map(function (selector) {
+    root.walkRules(function (rule) {
+      rule.selectors = rule.selectors.map(function (selector) {
         if (options.exclude && ~options.exclude.indexOf(selector)) {
           return selector;
         }
         return prefix + selector
-      }).join(', ')
+      })
     })
   }
 }