added make browserlist(autoprefixer) work fixed

1 files changed, 4 insertions, 0 deletions

diff --git a/node_modules/balanced-match/index.js b/node_modules/balanced-match/index.js
index e8d85870..c67a6460 100644
--- a/node_modules/balanced-match/index.js
+++ b/node_modules/balanced-match/index.js
@@ -1,3 +1,4 @@
+'use strict';
 module.exports = balanced;
 function balanced(a, b, str) {
   if (a instanceof RegExp) a = maybeMatch(a, str);
@@ -27,6 +28,9 @@ function range(a, b, str) {
   var i = ai;
 
   if (ai >= 0 && bi > 0) {
+    if(a===b) {
+      return [ai, bi];
+    }
     begs = [];
     left = str.length;