fix: 简化 onPageReady 实现逻辑

packages/designer/src/builtin-simulator/host.ts

@@ -1,5 +1,4 @@
 import { obx, autorun, computed, getPublicPath, hotkey, focusTracker, globalContext, Editor } from '@ali/lowcode-editor-core';
-import { EventEmitter } from 'events';
 import { ISimulatorHost, Component, NodeInstance, ComponentInstance } from '../simulator';
 import Viewport from './viewport';
 import { createSimulator } from './create-simulator';
@@ -73,12 +72,10 @@ const defaultEnvironment = [
 
 export class BuiltinSimulatorHost implements ISimulatorHost<BuiltinSimulatorProps> {
   readonly isSimulator = true;
-  readonly designer = this.document.designer;
-  private emitter: EventEmitter;
 
-  constructor(readonly document: DocumentModel) {
-    this.emitter = new EventEmitter();
-  }
+  constructor(readonly document: DocumentModel) {}
+
+  readonly designer = this.document.designer;
 
   @computed get device(): string {
     return this.get('device') || 'default';
@@ -129,7 +126,6 @@ export class BuiltinSimulatorHost implements ISimulatorHost<BuiltinSimulatorProp
    */
   connect(renderer: BuiltinSimulatorRenderer, fn: (context: { dispose: () => void; firstRun: boolean }) => void) {
     this._renderer = renderer;
-    this.emitter.emit('lowcode_engine_renderer_connect', renderer);
     return autorun(fn as any, true);
   }
 
@@ -1134,13 +1130,6 @@ export class BuiltinSimulatorHost implements ISimulatorHost<BuiltinSimulatorProp
     */
   }
   // #endregion
-
-  onRendererConnect(fn: (renderer: BuiltinSimulatorRenderer) => void): () => void {
-    this.emitter.on('lowcode_engine_renderer_connect', fn);
-    return () => {
-      this.emitter.removeListener('lowcode_engine_renderer_connect', fn);
-    };
-  }
 }
 
 function isHTMLTag(name: string) {

packages/designer/src/builtin-simulator/renderer.ts

@@ -14,7 +14,6 @@ export interface BuiltinSimulatorRenderer {
   setCopyState(state: boolean): void;
   clearState(): void;
   run(): void;
-  onRendered(fn: () => void): () => void;
 }
 
 export function isSimulatorRenderer(obj: any): obj is BuiltinSimulatorRenderer {

packages/designer/src/document/document-model.ts

@@ -345,11 +345,6 @@ export class DocumentModel {
     // TODO: 多设备 simulator 支持
     this._simulator = simulator;
     // TODO: emit simulator mounted
-    this._simulator?.onRendererConnect((renderer) => {
-      this.emitter.emit('lowcode_engine_renderer_ready', {
-        renderer,
-      });
-    })
   }
 
   // FIXME: does needed?
@@ -514,6 +509,10 @@ export class DocumentModel {
       this.emitter.removeListener('lowcode_engine_renderer_ready', fn);
     };
   }
+
+  setRendererReady(renderer) {
+    this.emitter.emit('lowcode_engine_renderer_ready', renderer);
+  }
 }
 
 export function isDocumentModel(obj: any): obj is DocumentModel {

packages/designer/src/simulator.ts

@@ -142,8 +142,6 @@ export interface ISimulatorHost<P = object> extends ISensor {
   computeComponentInstanceRect(instance: ComponentInstance, selector?: string): DOMRect | null;
 
   findDOMNodes(instance: ComponentInstance, selector?: string): Array<Element | Text> | null;
-
-  onRendererConnect(fn: (renderer: any) => void): () => void;
   
   /**
    * 销毁

packages/editor-preset-vision/src/editor.ts

@@ -26,12 +26,9 @@ editor.set(Designer, designer);
 editor.set('designer', designer);
 
 designer.project.onCurrentDocumentChange((doc) => {
-  doc.onRendererReady((args) => {
-    const { renderer } = args;
-    renderer.onRendered(() => {
-      bus.emit(VE_EVENTS.VE_PAGE_PAGE_READY);
-    });
-  })
+  doc.onRendererReady(() => {
+    bus.emit(VE_EVENTS.VE_PAGE_PAGE_READY);
+  });
 });
 
 // 节点 props 初始化

packages/react-simulator-renderer/src/renderer.ts

@@ -1,6 +1,5 @@
 import React, { createElement, ReactInstance, ComponentType, ReactElement } from 'react';
 import { render as reactRender } from 'react-dom';
-import { EventEmitter } from 'events';
 import { host } from './host';
 import SimulatorRendererView from './renderer-view';
 import { computed, obx } from '@recore/obx';
@@ -18,14 +17,12 @@ import Leaf from './builtin-components/leaf';
 export class SimulatorRenderer implements BuiltinSimulatorRenderer {
   readonly isSimulatorRenderer = true;
   private dispose?: () => void;
-  private emitter: EventEmitter;
 
   constructor() {
     if (!host) {
       return;
     }
 
-    this.emitter = new EventEmitter();
     this.dispose = host.connect(this, () => {
       // sync layout config
 
@@ -291,14 +288,7 @@ export class SimulatorRenderer implements BuiltinSimulatorRenderer {
     document.body.classList.add('engine-document'); // important! Stylesheet.invoke depends
 
     reactRender(createElement(SimulatorRendererView, { renderer: this }), container);
-    this.emitter.emit('lowcode_engine_render_run');
-  }
-
-  onRendered(fn: () => void): () => void {
-    this.emitter.on('lowcode_engine_render_run', fn);
-    return () => {
-      this.emitter.removeListener('lowcode_engine_render_run', fn);
-    };
+    host.document.setRendererReady(this);
   }
 }