1/* 2 * Copyright (c) 2024 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 16class RefInfo { 17 private static obj2ref: WeakMap<object, object> = new WeakMap(); 18 private static setMapProxy: SetMapProxyHandler = new SetMapProxyHandler(true); 19 private static arrayProxy: ArrayProxyHandler = new ArrayProxyHandler(true); 20 private static objectProxy: ObjectProxyHandler = new ObjectProxyHandler(true); 21 22 static get(target: Object): any { 23 if (!target || typeof target !== 'object') { 24 stateMgmtConsole.warn(`makeObserved target is not a valid object, return target directly`); 25 return { proxy: target }; 26 } 27 // makeObserved does not support @Observed, @ObservedV2/@Trace class or makeObserved proxy, will return target directly 28 if (ObservedObject.IsObservedObject(target) || ObserveV2.IsObservedObjectV2(target) || ObserveV2.IsMakeObserved(target)) { 29 stateMgmtConsole.warn(`${target.constructor.name} is Observed ${ObservedObject.IsObservedObject(target)}, IsObservedV2 ${ObserveV2.IsObservedObjectV2(target)} or makeObserved proxy value ${ObserveV2.IsMakeObserved(target)}. makeObserved will stop work`); 30 return { proxy: target }; 31 } 32 let ret = RefInfo.obj2ref.get(target); 33 if (!ret) { 34 if (Array.isArray(target) || SendableType.isArray(target)) { 35 ret = { proxy: new Proxy(target, RefInfo.arrayProxy) }; 36 } else if (target instanceof Set || SendableType.isSet(target) || 37 target instanceof Map || SendableType.isMap(target)) { 38 ret = { proxy: new Proxy(target, RefInfo.setMapProxy) }; 39 } else { 40 ret = { proxy: new Proxy(target, RefInfo.objectProxy) }; 41 } 42 RefInfo.obj2ref.set(target, ret); 43 } 44 return ret; 45 } 46}