1/* 2 * Copyright (c) 2025 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 16export class StructBase<T, OptionsT> { 17 base_value: number = 10; 18 19 static $_instantiate<S extends StructBase<S, OptionsS>, OptionsS> ( 20 factory: () => S, 21 options: OptionsS 22 ): S { 23 const instance = factory() 24 return instance 25 } 26} 27 28interface Options {} 29 30class StsTestComponent extends StructBase<StsTestComponent, Options>{ 31 child_value: number = 20; 32 33 build() { 34 let s1 = StsTestComponent.$_instantiate(() => new StsTestComponent(), {} as Options); 35 assertEQ(s1.base_value, 10); 36 assertEQ(s1.child_value, 20); 37 38 let s2 = StsTestComponent({} as Options); 39 assertEQ(s2.base_value, 10); 40 assertEQ(s2.child_value, 20); 41 } 42} 43 44function main(): void { 45 let s = new StsTestComponent() 46 s.build(); 47} 48