UEA-PRODEM

node_modules/postcss/lib/tokenize.js

@@ -36,6 +36,7 @@ module.exports = function tokenizer(input, options = {}) {
   let pos = 0
   let buffer = []
   let returned = []
+  let lastBadParen = -1
 
   function position() {
     return pos
@@ -127,11 +128,14 @@ module.exports = function tokenizer(input, options = {}) {
           currentToken = ['brackets', css.slice(pos, next + 1), pos, next]
 
           pos = next
+        } else if (pos <= lastBadParen) {
+          currentToken = ['(', '(', pos]
         } else {
           next = css.indexOf(')', pos + 1)
           content = css.slice(pos, next + 1)
 
           if (next === -1 || RE_BAD_BRACKET.test(content)) {
+            lastBadParen = next === -1 ? length : next
             currentToken = ['(', '(', pos]
           } else {
             currentToken = ['brackets', content, pos, next]