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|
| function clone(target, source, isDeep = true) {
| // 浅拷贝使用内置方法
| if (!isDeep) {
| return Object.assign(target, source);
| }
|
| // 递归遍历拷贝成员
| for (let item in source) {
| if (source[item] instanceof Object) {
| // 检测对象还是数组
| target[item] =
| Object.prototype.toString.call(source[item]) === '[object Array]' ? [] : {};
| clone(target[item], source[item], isDeep);
| } else {
| target[item] = source[item];
| }
| }
|
| return target;
| }
|
| function cloneWithSelf(target, source, isDeep = true) {
| // 先拷贝target自身
| const o = Object.clone({}, target, isDeep);
| return Object.clone(o, source, isDeep)
| }
|
| // 给原型对象扩展方法
| Object.assign(Object, {
| clone,
| cloneWithSelf
| })
|
| export default {
| clone,
| cloneWithSelf
| }
|
|
