feat(core): 新增节点操作方法

packages/core/src/App.ts

@@ -18,7 +18,7 @@
 
 import { EventEmitter } from 'events';
 
-import type { CodeBlockDSL, EventItemConfig, Id, MApp } from '@tmagic/schema';
+import type { CodeBlockDSL, EventItemConfig, Id, MApp, MPage } from '@tmagic/schema';
 
 import Env from './Env';
 import { bindCommonEventListener, isCommonMethod, triggerCommonMethod } from './events';
@@ -144,18 +144,22 @@ class App extends EventEmitter {
     this.codeDsl = config.codeBlocks;
     this.pages = new Map();
     config.items?.forEach((page) => {
-      this.pages.set(
-        page.id,
-        new Page({
-          config: page,
-          app: this,
-        }),
-      );
+      this.addPage(page);
     });
 
     this.setPage(curPage || this.page?.data?.id);
   }
 
+  public addPage(config: MPage) {
+    this.pages.set(
+      config.id,
+      new Page({
+        config,
+        app: this,
+      }),
+    );
+  }
+
   public setPage(id?: Id) {
     let page;
 
@@ -174,6 +178,17 @@ class App extends EventEmitter {
     }
   }
 
+  public deletePage(id: Id) {
+    this.pages.delete(id);
+    if (!this.pages.size) {
+      this.page = undefined;
+    }
+  }
+
+  public getPage(id: Id) {
+    return this.pages.get(id);
+  }
+
   public registerComponent(type: string, Component: any) {
     this.components.set(type, Component);
   }

packages/core/src/Node.ts

@@ -65,6 +65,11 @@ class Node extends EventEmitter {
     });
   }
 
+  public setData(data: MComponent | MContainer | MPage) {
+    this.data = data;
+    this.emit('updata-data');
+  }
+
   private listenLifeSafe() {
     this.once('created', async (instance: any) => {
       this.instance = instance;