feat(web): 完成循环节点的基本配置

service-web/client/src/components/flow/FlowChecker.tsx

@@ -28,6 +28,7 @@ export const sourceNodeNotFoundError = () => new CheckError(200, '连线起始
 export const targetNodeNotFoundError = () => new CheckError(201, '连线目标节点未找到')
 export const nodeToSelfError = () => new CheckError(203, '节点不能直连自身')
 export const hasCycleError = () => new CheckError(204, '禁止流程循环')
+export const differentParent = () => new CheckError(205, '子流程禁止连接外部节点')
 
 const hasCycle = (sourceNode: Node, targetNode: Node, nodes: Node[], edges: Edge[], visited = new Set<string>()) => {
   if (visited.has(targetNode.id)) return false
@@ -48,6 +49,10 @@ export const checkAddConnection: (connection: Connection, nodes: Node[], edges:
     throw targetNodeNotFoundError()
   }
 
+  if (!isEqual(sourceNode.parentId, targetNode.parentId)) {
+    throw differentParent()
+  }
+
   // 禁止流程出现环，必须是有向无环图
   if (isEqual(sourceNode.id, targetNode.id)) {
     throw nodeToSelfError()