Fix the error for the parameter is empty.

8 years ago · 7245edc4c6
parent 06b4865075
commit 7245edc4c6
1 changed files with 2 additions and 2 deletions
--- a/src/hotkeys.js
+++ b/src/hotkeys.js
@ -256,8 +256,8 @@ function getMods (key) {

 // 处理传的key字符串转换成数组
 function getKeys(key) {
-  var keys,
-      index;
+  if (!key) key = '';
+  var keys,index;

  key = key.replace(/\s/g, ''); // 匹配任何空白字符,包括空格、制表符、换页符等等
  keys = key.split(','); // 同时设置多个快捷键，以','分割