1/* 2 * Copyright (c) 2021 Huawei Device Co., Ltd. 3 * Licensed under the Apache License, Version 2.0 (the "License"); 4 * you may not use this file except in compliance with the License. 5 * You may obtain a copy of the License at 6 * 7 * http://www.apache.org/licenses/LICENSE-2.0 8 * 9 * Unless required by applicable law or agreed to in writing, software 10 * distributed under the License is distributed on an "AS IS" BASIS, 11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12 * See the License for the specific language governing permissions and 13 * limitations under the License. 14 */ 15 16import { appMap } from './map'; 17 18/** 19 * Get appGlobal of App. 20 * @param {string} packageName - Package name. 21 * @return {Object | ProxyConstructor} 22 */ 23export function getPageGlobal(packageName: string): object | ProxyConstructor { 24 if (!appMap[packageName] || !appMap[packageName].appGlobal) { 25 return Object.create(global); 26 } 27 return new Proxy(Object.create(appMap[packageName].appGlobal), { 28 get(trapTarget, key, receiver) { 29 if (key === '__proto__') { 30 return appMap[packageName].appGlobal; 31 } 32 return Reflect.get(trapTarget, key, receiver); 33 } 34 }); 35} 36