From e813129eb8ea6e11e683c081847dd17fb1104dfd Mon Sep 17 00:00:00 2001
From: roymondchen <roymondchen@tencent.com>
Date: Wed, 7 Dec 2022 16:26:26 +0800
Subject: [PATCH] =?UTF-8?q?fix(editor):=20modelValue=E8=87=AA=E5=8A=A8?=
 =?UTF-8?q?=E6=9B=B4=E6=96=B0=E4=B8=8D=E6=88=90=E5=8A=9F?=
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---
 packages/editor/src/Editor.vue         | 4 ++--
 packages/editor/src/services/editor.ts | 3 ++-
 2 files changed, 4 insertions(+), 3 deletions(-)

diff --git a/packages/editor/src/Editor.vue b/packages/editor/src/Editor.vue
index 96dba8c27..b0cf2ad18 100644
--- a/packages/editor/src/Editor.vue
+++ b/packages/editor/src/Editor.vue
@@ -223,7 +223,7 @@ export default defineComponent({
   emits: ['props-panel-mounted', 'update:modelValue'],
 
   setup(props, { emit }) {
-    editorService.on('root-change', (value) => {
+    editorService.on('root-change', (value, preValue) => {
       const nodeId = editorService.get<MNode | null>('node')?.id || props.defaultSelected;
       let node;
       if (nodeId) {
@@ -240,7 +240,7 @@ export default defineComponent({
         editorService.set('page', null);
       }
 
-      if (toRaw(value) !== toRaw(editorService.get('root'))) {
+      if (toRaw(value) !== toRaw(preValue)) {
         emit('update:modelValue', value);
       }
     });
diff --git a/packages/editor/src/services/editor.ts b/packages/editor/src/services/editor.ts
index 2f1d3e714..356a438c4 100644
--- a/packages/editor/src/services/editor.ts
+++ b/packages/editor/src/services/editor.ts
@@ -95,6 +95,7 @@ class Editor extends BaseService {
    * @param value MNode
    */
   public set<T = MNode>(name: keyof StoreState, value: T) {
+    const preValue = this.state[name];
     this.state[name] = value as any;
     // set nodes时将node设置为nodes第一个元素
     if (name === 'nodes') {
@@ -102,7 +103,7 @@ class Editor extends BaseService {
     }
     if (name === 'root') {
       this.state.pageLength = (value as unknown as MApp)?.items?.length || 0;
-      this.emit('root-change', value);
+      this.emit('root-change', value, preValue);
     }
   }