修复 `treeTable.reloadData()` 在某些情况下报错的问题

Closes: https://gitee.com/layui/layui/issues/I8M5HS
12 months ago · 3f148a9086
parent 0d72a64313
commit 3f148a9086
1 changed files with 1 additions and 1 deletions
--- a/src/modules/treeTable.js
+++ b/src/modules/treeTable.js
@ -93,7 +93,7 @@ layui.define(['table'], function (exports) {
  var updateCache = function (id, childrenKey, data) {
    var tableCache = table.cache[id];
    layui.each(data || tableCache, function (index, item) {
-      var itemDataIndex = item[LAY_DATA_INDEX];
+      var itemDataIndex = item[LAY_DATA_INDEX] || '';
      if (itemDataIndex.indexOf('-') !== -1) {
        tableCache[itemDataIndex] = item
      }