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- "use strict";
- ///<reference path="index.d.ts"/>
- /**
- * 将sources合并到target,该合并全部是深拷贝
- * @param target
- * @param sources
- * @returns {Object}
- */
- Object.merge = function (target) {
- var sources = [];
- for (var _i = 1; _i < arguments.length; _i++) {
- sources[_i - 1] = arguments[_i];
- }
- for (var i = 0; i < sources.length; ++i) {
- var source = sources[i];
- if (typeof source != 'object' || source == null) {
- continue;
- }
- for (var skey in source) {
- //只处理自身的key 这里可能来自于外部prototype的扩展
- if (!source.hasOwnProperty(skey)) {
- continue;
- }
- if (source[skey] instanceof Date) {
- //Date类型 要克隆一份 保证深拷贝
- target[skey] = new Date(source[skey]);
- continue;
- }
- else if (typeof (target[skey]) == 'object' && target[skey] != null && typeof (source[skey]) == 'object' && source[skey] != null) {
- // 两个都是Object 递归merge之
- Object.merge(target[skey], source[skey]);
- }
- else {
- if (Array.isArray(source[skey])) {
- // 数组merge后还是数组
- target[skey] = Object.merge([], source[skey]);
- }
- else if (typeof (source[skey]) == 'object' && source[skey] !== null) {
- // Object要克隆一份以确保深拷贝
- target[skey] = Object.merge({}, source[skey]);
- }
- else {
- // 基本类型 直接赋值即可
- target[skey] = source[skey];
- }
- }
- }
- }
- return target;
- };
- if (!Object.values) {
- Object.values = function (obj) {
- var output = [];
- for (var k in obj) {
- obj.hasOwnProperty(k) && output.push(obj[k]);
- }
- return output;
- };
- }
- if (!Object.entries) {
- Object.entries = function (obj) {
- var output = [];
- for (var key in obj) {
- if (!obj.hasOwnProperty(key)) {
- continue;
- }
- output.push([key, obj[key]]);
- }
- return output;
- };
- }
- Object.forEach = function (obj, handler) {
- for (var key in obj) {
- if (!obj.hasOwnProperty(key)) {
- return;
- }
- handler(obj[key], key, obj);
- }
- };
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