From 518c760737edfc2891095c8582741acf0c2965de Mon Sep 17 00:00:00 2001
From: zheng han <sunstar198941@gmail.com>
Date: Thu, 10 Jun 2021 14:56:43 +0800
Subject: [PATCH] fire event in _addComponentAt (#8714)

---
 cocos/core/scene-graph/base-node-dev.ts | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/cocos/core/scene-graph/base-node-dev.ts b/cocos/core/scene-graph/base-node-dev.ts
index 9efa214566f..fc7cd9d50ee 100644
--- a/cocos/core/scene-graph/base-node-dev.ts
+++ b/cocos/core/scene-graph/base-node-dev.ts
@@ -91,8 +91,11 @@ export function baseNodePolyfill (BaseNode) {
 
             comp.node = this;
             this._components.splice(index, 0, comp);
-            if ((EDITOR || TEST) && legacyCC.engine && (this._id in legacyCC.engine.attachedObjsForEditor)) {
-                legacyCC.engine.attachedObjsForEditor[comp._id] = comp;
+            if (EDITOR && EditorExtends.Node && EditorExtends.Component) {
+                const node = EditorExtends.Node.getNode(this._id);
+                if (node) {
+                    EditorExtends.Component.add(comp._id, comp);
+                }
             }
             if (this._activeInHierarchy) {
                 legacyCC.director._nodeActivator.activateComp(comp);