/**
 * @author 基础平台-潘卓然
 * @param {...any} mixins 混合的对象
 * @example 
 * class DistributedEdit extends mix(Loggable, Serializable) {
 // ...
 }
 */
export function mix(...mixins) {
 class Mix {
 constructor() {
 for (let mixin of mixins) {
 mixin && copyProperties(this, new mixin()); // 拷贝实例属性
 }
 }
 }

 for (let mixin of mixins) {
 mixin && copyProperties(Mix, mixin); // 拷贝静态属性
 mixin && copyProperties(Mix.prototype, mixin.prototype); // 拷贝原型属性
 }

 return Mix;
}

/**
 * @description 将要拷贝的源对象属性拷贝到对应的目标对象里面
 * @param {*} target 目标对象
 * @param {*} source 源对象
 */
export function copyProperties(target, source) {
 for (let key of Reflect.ownKeys(source)) {
 if (key !== 'constructor' && key !== 'prototype' && key !== 'name') {
 let desc = Object.getOwnPropertyDescriptor(source, key);
 Object.defineProperty(target, key, desc);
 }
 }
}

export default mix;