From 3853f76ff94981f9e307a2541364450dc81d2d17 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E5=8A=9B=E7=9A=93?= <lihao.ylh@alibaba-inc.com>
Date: Wed, 28 Apr 2021 10:03:34 +0800
Subject: [PATCH] =?UTF-8?q?refactor(mem):=20=E7=BB=A7=E7=BB=AD=E4=BC=98?=
 =?UTF-8?q?=E5=8C=96=E5=86=85=E5=AD=98=E6=B3=84=E6=BC=8F=E9=97=AE=E9=A2=98?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 packages/designer/src/designer/setting/setting-field.ts   | 1 -
 .../designer/src/designer/setting/setting-top-entry.ts    | 1 +
 packages/designer/src/document/node/node.ts               | 1 +
 packages/react-simulator-renderer/src/index.ts            | 8 ++++++++
 4 files changed, 10 insertions(+), 1 deletion(-)

diff --git a/packages/designer/src/designer/setting/setting-field.ts b/packages/designer/src/designer/setting/setting-field.ts
index 2f922a5a0..2267fcef9 100644
--- a/packages/designer/src/designer/setting/setting-field.ts
+++ b/packages/designer/src/designer/setting/setting-field.ts
@@ -118,7 +118,6 @@ export class SettingField extends SettingPropEntry implements SettingEntry {
 
   purge() {
     this.disposeItems();
-    this.parent = null as any;
   }
 
   // ======= compatibles for vision ======
diff --git a/packages/designer/src/designer/setting/setting-top-entry.ts b/packages/designer/src/designer/setting/setting-top-entry.ts
index b7074f24f..ab09d355c 100644
--- a/packages/designer/src/designer/setting/setting-top-entry.ts
+++ b/packages/designer/src/designer/setting/setting-top-entry.ts
@@ -204,6 +204,7 @@ export class SettingTopEntry implements SettingEntry {
 
   purge() {
     this.disposeItems();
+    this._settingFieldMap = {};
     this.emitter.removeAllListeners();
   }
 
diff --git a/packages/designer/src/document/node/node.ts b/packages/designer/src/document/node/node.ts
index 4ea6e5f52..74ff0434a 100644
--- a/packages/designer/src/document/node/node.ts
+++ b/packages/designer/src/document/node/node.ts
@@ -770,6 +770,7 @@ export class Node<Schema extends NodeSchema = NodeSchema> {
     this.purged = true;
     this.autoruns?.forEach((dispose) => dispose());
     this.props.purge();
+    this.settingEntry.purge();
     // this.document.destroyNode(this);
   }
 
diff --git a/packages/react-simulator-renderer/src/index.ts b/packages/react-simulator-renderer/src/index.ts
index 3a8872665..b88a94c05 100644
--- a/packages/react-simulator-renderer/src/index.ts
+++ b/packages/react-simulator-renderer/src/index.ts
@@ -4,4 +4,12 @@ if (typeof window !== 'undefined') {
   (window as any).SimulatorRenderer = renderer;
 }
 
+window.addEventListener('beforeunload', () => {
+  (window as any).LCSimulatorHost = null;
+  // @ts-ignore
+  renderer.dispose?.();
+  (window as any).SimulatorRenderer = null;
+  (window as any).ReactDOM.unmountComponentAtNode(document.getElementById('app'));
+});
+
 export default renderer;