feat: 资产包支持一个package从另一个package异步导出 (#1150)

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

@@ -352,9 +352,11 @@ export class BuiltinSimulatorHost implements ISimulatorHost<BuiltinSimulatorProp
     const _library = library || (this.get('library') as LibraryItem[]);
     const libraryAsset: AssetList = [];
     const libraryExportList: string[] = [];
+    const functionCallLibraryExportList: string[] = [];
 
     if (_library && _library.length) {
       _library.forEach((item) => {
+        const { exportMode, exportSourceLibrary } = item;
         this.libraryMap[item.package] = item.library;
         if (item.async) {
           this.asyncLibraryMap[item.package] = item;
@@ -364,6 +366,11 @@ export class BuiltinSimulatorHost implements ISimulatorHost<BuiltinSimulatorProp
             `Object.defineProperty(window,'${item.exportName}',{get:()=>window.${item.library}});`,
           );
         }
+        if (exportMode === 'functionCall' && exportSourceLibrary) {
+          functionCallLibraryExportList.push(
+            `window["${item.library}"] = window["${exportSourceLibrary}"]("${item.library}", "${item.package}");`,
+          );
+        }
         if (item.editUrls) {
           libraryAsset.push(item.editUrls);
         } else if (item.urls) {
@@ -372,7 +379,7 @@ export class BuiltinSimulatorHost implements ISimulatorHost<BuiltinSimulatorProp
       });
     }
     libraryAsset.unshift(assetItem(AssetType.JSText, libraryExportList.join('')));
-
+    libraryAsset.push(assetItem(AssetType.JSText, functionCallLibraryExportList.join('')));
     return libraryAsset;
   }
 
@@ -428,6 +435,9 @@ export class BuiltinSimulatorHost implements ISimulatorHost<BuiltinSimulatorProp
     if (Object.keys(this.asyncLibraryMap).length > 0) {
       // 加载异步Library
       await renderer.loadAsyncLibrary(this.asyncLibraryMap);
+      Object.keys(this.asyncLibraryMap).forEach(key => {
+        delete this.asyncLibraryMap[key];
+      });
     }
 
     // step 5 ready & render
@@ -447,7 +457,14 @@ export class BuiltinSimulatorHost implements ISimulatorHost<BuiltinSimulatorProp
 
   async setupComponents(library) {
     const libraryAsset: AssetList = this.buildLibrary(library);
-    await this.renderer.load(libraryAsset);
+    await this.renderer?.load(libraryAsset);
+    if (Object.keys(this.asyncLibraryMap).length > 0) {
+      // 加载异步Library
+      await this.renderer?.loadAsyncLibrary(this.asyncLibraryMap);
+      Object.keys(this.asyncLibraryMap).forEach(key => {
+        delete this.asyncLibraryMap[key];
+      });
+    }
   }
 
   setupEvents() {

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

@@ -11,6 +11,7 @@ export interface BuiltinSimulatorRenderer {
   setNativeSelection(enableFlag: boolean): void;
   setDraggingState(state: boolean): void;
   setCopyState(state: boolean): void;
+  loadAsyncLibrary(asyncMap: { [index: string]: any }): void;
   clearState(): void;
   run(): void;
 }

packages/types/src/assets.ts

@@ -130,6 +130,14 @@ export interface Package {
    * @todo 需推进提案 @度城
    */
   async?: boolean;
+  /**
+   * 标识当前 package 从其他 package 的导出方式
+   */
+  exportMode?: 'functionCall';
+  /**
+   * 标识当前 package 是从 window 上的哪个属性导出来的
+   */
+  exportSourceLibrary?: any;
   /**
    * 组件描述导出名字，可以通过 window[exportName] 获取到组件描述的 Object 内容；
    */

packages/utils/src/asset.ts

@@ -268,17 +268,24 @@ export class AssetLoader {
   async loadAsyncLibrary(asyncLibraryMap: Record<string, any>) {
     const promiseList: any[] = [];
     const libraryKeyList: any[] = [];
+    const pkgs: any[] = [];
     for (const key in asyncLibraryMap) {
       // 需要异步加载
       if (asyncLibraryMap[key].async) {
         promiseList.push(window[asyncLibraryMap[key].library]);
         libraryKeyList.push(asyncLibraryMap[key].library);
+        pkgs.push(asyncLibraryMap[key]);
       }
     }
     await Promise.all(promiseList).then((mods) => {
       if (mods.length > 0) {
         mods.map((item, index) => {
-          window[libraryKeyList[index]] = item;
+          const { exportMode, exportSourceLibrary, library } = pkgs[index];
+          window[libraryKeyList[index]] =
+            exportMode === 'functionCall' &&
+            (exportSourceLibrary == null || exportSourceLibrary === library)
+              ? item()
+              : item;
           return item;
         });
       }