Tree: fix insertChild (#21194)

ElemeFE · Aug 2, 2021 · 4d7d24b · 4d7d24b
1 parent 4943867
commit 4d7d24b
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/packages/tree/src/model/node.js b/packages/tree/src/model/node.js
@@ -220,7 +220,7 @@ export default class Node {
 
     if (!(child instanceof Node)) {
       if (!batch) {
-        const children = this.getChildren(true);
+        const children = this.getChildren(true) || [];
         if (children.indexOf(child.data) === -1) {
           if (typeof index === 'undefined' || index < 0) {
             children.push(child.data);