import { IGroup } from '../interfaces'; import Container from './container'; abstract class AbstractGroup extends Container implements IGroup { isGroup() { return true; } isEntityGroup() { return false; } clone() { const clone = super.clone(); // 获取构造函数 const children = this.getChildren(); for (let i = 0; i < children.length; i++) { const child = children[i]; clone.add(child.clone()); } return clone; } } export default AbstractGroup;