1/* Copyright JS Foundation and other contributors, http://js.foundation 2 * 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 16var calculatorMixin = Base => class extends Base { 17 f () { 18 return 1; 19 } 20}; 21 22var randomizerMixin = Base => class extends Base { 23 g () { 24 return 2; 25 } 26}; 27 28class A { 29 constructor () { } 30} 31 32class B extends calculatorMixin (randomizerMixin (A)) { 33 34} 35 36var b = new B (); 37assert (b.f () === 1) 38assert (b.g () === 2); 39