From f8100851c373020e30829b87dd914d31561e901f Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E5=8A=9B=E7=9A=93?= <lihao.ylh@alibaba-inc.com>
Date: Tue, 22 Jun 2021 10:58:09 +0800
Subject: [PATCH] =?UTF-8?q?refactor(perf):=20=E8=8A=82=E7=82=B9=E5=B1=9E?=
 =?UTF-8?q?=E6=80=A7=20settingEntry=20=E6=8C=89=E9=9C=80=E6=9E=84=E9=80=A0?=
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---
 packages/designer/src/document/node/node.ts | 12 ++++++++----
 1 file changed, 8 insertions(+), 4 deletions(-)

diff --git a/packages/designer/src/document/node/node.ts b/packages/designer/src/document/node/node.ts
index b55ee359a..9dfde4baf 100644
--- a/packages/designer/src/document/node/node.ts
+++ b/packages/designer/src/document/node/node.ts
@@ -156,8 +156,6 @@ export class Node<Schema extends NodeSchema = NodeSchema> {
     return this.componentMeta.icon;
   }
 
-  readonly settingEntry: SettingTopEntry;
-
   private isInited = false;
 
   constructor(readonly document: DocumentModel, nodeSchema: Schema, options: any = {}) {
@@ -168,13 +166,11 @@ export class Node<Schema extends NodeSchema = NodeSchema> {
       this.props = new Props(this, {
         children: isDOMText(children) || isJSExpression(children) ? children : '',
       });
-      this.settingEntry = this.document.designer.createSettingEntry([this]);
     } else {
       // 这里 props 被初始化两次，一次 new，一次 import，new 的实例需要给 propsReducer 的钩子去使用，
       // import 是为了使用钩子返回的值，并非完全幂等的操作，部分行为执行两次会有 bug，
       // 所以在 props 里会对 new / import 做一些区别化的解析
       this.props = new Props(this, props, extras);
-      this.settingEntry = this.document.designer.createSettingEntry([this]);
       this._children = new NodeChildren(this as ParentalNode, this.initialChildren(children));
       this._children.internalInitParent();
       this.props.import(
@@ -188,6 +184,14 @@ export class Node<Schema extends NodeSchema = NodeSchema> {
     this.emitter = new EventEmitter();
   }
 
+  _settingEntry: SettingTopEntry;
+
+  get settingEntry(): SettingTopEntry {
+    if (this._settingEntry) return this._settingEntry;
+    this._settingEntry = this.document.designer.createSettingEntry([this]);
+    return this._settingEntry;
+  }
+
   private initProps(props: any): any {
     return this.document.designer.transformProps(props, this, TransformStage.Init);
   }