From 53172e74c481890fe9cad28d10b2c07780be305e Mon Sep 17 00:00:00 2001
From: liujuping <liujup@foxmail.com>
Date: Tue, 15 Aug 2023 17:38:06 +0800
Subject: [PATCH] fix(node-children): solve the crash of null in
 schema.children

---
 packages/designer/src/document/node/node-children.ts | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/packages/designer/src/document/node/node-children.ts b/packages/designer/src/document/node/node-children.ts
index 4fb1c3d22..bf982cbfa 100644
--- a/packages/designer/src/document/node/node-children.ts
+++ b/packages/designer/src/document/node/node-children.ts
@@ -102,7 +102,7 @@ export class NodeChildren implements INodeChildren {
       options: any = {},
     ) {
     makeObservable(this);
-    this.children = (Array.isArray(data) ? data : [data]).map((child) => {
+    this.children = (Array.isArray(data) ? data : [data]).filter(child => !!child).map((child) => {
       return this.owner.document?.createNode(child, options.checkId);
     });
   }
@@ -127,7 +127,7 @@ export class NodeChildren implements INodeChildren {
   }
 
   import(data?: IPublicTypeNodeData | IPublicTypeNodeData[], checkId = false) {
-    data = data ? (Array.isArray(data) ? data : [data]) : [];
+    data = (data ? (Array.isArray(data) ? data : [data]) : []).filter(d => !!d);
 
     const originChildren = this.children.slice();
     this.children.forEach((child) => child.internalSetParent(null));