From 357988c7967328932dbba30fb1d8543630f9b50d Mon Sep 17 00:00:00 2001
From: AYELance <2463168510@qq.com>
Date: Sat, 24 Apr 2021 00:59:22 +0800
Subject: [PATCH] =?UTF-8?q?=E6=9B=B4=E6=96=B0menu-tree=E7=BB=84=E4=BB=B6?=
 =?UTF-8?q?=20=E5=89=8D=E7=AB=AFdelete=E8=8A=82=E7=82=B9=E6=96=B9=E6=B3=95?=
 =?UTF-8?q?fix?=
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---
 src/components/menu-tree/treeNode.js | 23 +++++++++++++++--------
 1 file changed, 15 insertions(+), 8 deletions(-)

diff --git a/src/components/menu-tree/treeNode.js b/src/components/menu-tree/treeNode.js
index 5a1686e..eb1d1a2 100644
--- a/src/components/menu-tree/treeNode.js
+++ b/src/components/menu-tree/treeNode.js
@@ -407,14 +407,21 @@ function getParentIdWithLeaf(arrayAllIds, treeNodeArray, arrayChildrenIds) {
 }
 
 //前端对节点delete 递归 返回修改后的treeArray
-export function deleteNode(id, treeArray) {
-  //array用于递归的地址传递
-  let array = treeArray;
-  if (array && array.length) {
-    for (let i = 0, len = array.length; i < len; i++) {
-      array.slice(array.findIndex(item => item.id === id), 1);
-      return deleteNode(id, array[i].menuChild);
+export function deleteNode(id, root) {
+  // console.log(typeof(root.id)+"==="+typeof(id));
+  if (root.id+"" === id) {
+    // undefined 不是关键字，可能会被重新赋值
+    return void 0;
+  }
+  for (let i = 0; i < root.menuChild.length; i++) {
+    // arguments.callee 可以降低一次耦合
+    let res = deleteNode(id, root.menuChild[i]);
+    // console.log("res==="+JSON.stringify(res));
+    if (res) {
+      root.menuChild[i] = res;
+    } else {
+      root.menuChild.splice(i, 1)
     }
   }
-  return array;
+  return root;
 }
-- 
Gitee