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yong.teng
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Object 增加 omit 方法，支持对象拷贝，并剔除指定属性 && Object 增加 equals 方法，深度比较两个对象是否相同
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+121
-4
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6 files changed

+121
-4
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‎.eslintrc.js‎

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@@ -2,7 +2,8 @@ module.exports = {
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root: true,
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env: {
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node: true,
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browser: true
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browser: true,
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es6: true
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},
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extends: [
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'eslint:recommended'

‎CHANGELOG.md‎

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# 更新日志
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## [v2.2.0](https://github.com/buession/buession-prototype/releases/tag/2.2.0)（2023-01-18）
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### ⭐ 新特性
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- Object 增加 omit 方法，支持对象拷贝，并剔除指定属性
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- Object 增加 equals 方法，深度比较两个对象是否相同
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## [v2.1.0](https://github.com/buession/buession-prototype/releases/tag/2.1.0)（2023-01-18）
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### ⭐ 新特性

‎example/cookie.html‎

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@@ -9,7 +9,7 @@
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<body>
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<script src="../dist/prototype.umd.js"></script>
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<script type="text/javascript">
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document.httpCookie.set("a", "中国");
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alert(document.httpCookie.set("a", "中国"));
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alert(document.httpCookie.get("a"))
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</script>
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</body>

‎example/object.html‎

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<!DOCTYPE html>
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<html lang="en">
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<head>
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<meta charset="utf-8" />
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<meta http-equiv="X-UA-Compatible" content="IE=edge" />
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<meta name="viewport" content="width=device-width,initial-scale=1.0" />
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<title>buession prototype</title>
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</head>
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<body>
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<script src="../dist/prototype.umd.js"></script>
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<script type="text/javascript">
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var source = {
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id: 1,
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name: 'buession',
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year: 2023
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};
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var target = Object.omit(source, "id", "year");
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var nSource1 = source;
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var nSource2 = Object.assign({}, source);
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console.log(target);
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console.log("字符串比较：" + Object.equals("a", "a"));
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console.log("字符串比较：" + Object.equals("a", "A"));
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console.log("整型比较：" + Object.equals(1, 1));
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console.log("整型比较：" + Object.equals(1, 1.0));
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console.log("浮点型比较：" + Object.equals(1.0, 1.0));
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console.log("整型和数字字符串比较：" + Object.equals(1, "1"));
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console.log("数组比较：" + Object.equals([1], [1]));
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console.log("数组比较：" + Object.equals([1, true], [1, 1]));
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console.log("对象比较：" + Object.equals(window, window));
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console.log("对象比较：" + Object.equals(source, target));
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console.log("对象比较：" + Object.equals(source, nSource1));
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console.log("对象比较：" + Object.equals(source, nSource2));
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</script>
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</body>
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</html>

‎package.json‎

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{
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"name": "@buession/prototype",
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"alias": "prototype",
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"version": "v2.1.0",
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"version": "v2.2.0",
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"description": "A native object extension framework for Javascript.",
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"homepage": "https://buession.github.io/buession-prototype/",
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"homepage": "https://prototype.buession.com/",
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"author": {
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"name": "yong.teng",
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"email": "webmaster@buession.com"

‎src/object.ts‎

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@@ -179,13 +179,31 @@ interface ObjectConstructor {
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*/
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isUndefinedOrNull(obj: any): boolean;
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/**
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* 判断两个对象是否相等
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*
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* @param obj1 一个对象
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* @param obj2 用于和 obj1 比较的对象
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* @return 当两个对象相等时，返回 true；否则，返回 false
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*/
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equals(obj1: any, obj2: any): boolean;
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/**
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* 克隆对象
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*
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* @param obj 任意对象
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* @return 新对象实例
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*/
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clone(obj: any): any;
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/**
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* 克隆对象，但需要删除指定属性
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*
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* @param obj 任意对象
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* @param fields 需要删除的属性
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* @return 新对象实例
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*/
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omit<T extends object, K extends keyof T> (obj: T, ...fields: K[]): Omit<T, K>;
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}
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declare var Object: ObjectConstructor;
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return obj;
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}
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/**
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* 判断两个对象是否相等
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*
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* @param obj1 一个对象
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* @param obj2 用于和 obj1 比较的对象
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* @return 当两个对象相等时，返回 true；否则，返回 false
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*/
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Object.equals = function(obj1: any, obj2: any): boolean {
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if (obj1 === obj2) {
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return true;
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} else if (!(obj1 instanceof Object) || !(obj2 instanceof Object)) {
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return false;
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} else if (obj1.constructor !== obj2.constructor) {
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return false;
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} else if (Object.isArray(obj1) && Object.isArray(obj2) && obj1.length === obj2.length) {
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for (let i = 0; i < obj1.length; i++) {
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if (Object.equals(obj1[i], obj2[i]) === false) {
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return false
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}
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}
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}else if (Object.isObject(obj1) && Object.isObject(obj2) && Object.keys(obj1).length === Object.keys(obj2).length) {
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for (const key in obj1) {
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if (obj1.hasOwnProperty.call(key)) {
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if (Object.equals(obj1[key], obj2[key]) === false) {
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return false
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}
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}
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}
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} else {
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return false;
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}
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return true;
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}
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/**
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* 克隆对象，但需要删除指定属性
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*
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* @param obj 任意对象
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* @param fields 需要删除的属性
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* @return 新对象实例
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*/
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Object.omit = function<T extends object, K extends keyof T>(obj: T, ...fields: K[]): Omit<T, K> {
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const result = Object.assign({}, obj);
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for (let i = 0; i < fields.length; i++) {
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const key = fields[i];
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delete result[key];
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}
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return result;
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}

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