feat: 初始化
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103
uni_modules/lime-shared/cloneDeep/vue.ts
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103
uni_modules/lime-shared/cloneDeep/vue.ts
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// @ts-nocheck
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/**
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* 深度克隆一个对象或数组
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* @param obj 要克隆的对象或数组
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* @returns 克隆后的对象或数组
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*/
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export function cloneDeep<T>(obj: any): T {
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// 如果传入的对象为空,返回空
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if (obj === null) {
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return null as unknown as T;
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}
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// 如果传入的对象是 Set 类型,则将其转换为数组,并通过新的 Set 构造函数创建一个新的 Set 对象
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if (obj instanceof Set) {
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return new Set([...obj]) as unknown as T;
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}
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// 如果传入的对象是 Map 类型,则将其转换为数组,并通过新的 Map 构造函数创建一个新的 Map 对象
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if (obj instanceof Map) {
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return new Map([...obj]) as unknown as T;
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}
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// 如果传入的对象是 WeakMap 类型,则直接用传入的 WeakMap 对象进行赋值
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if (obj instanceof WeakMap) {
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let weakMap = new WeakMap();
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weakMap = obj;
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return weakMap as unknown as T;
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}
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// 如果传入的对象是 WeakSet 类型,则直接用传入的 WeakSet 对象进行赋值
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if (obj instanceof WeakSet) {
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let weakSet = new WeakSet();
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weakSet = obj;
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return weakSet as unknown as T;
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}
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// 如果传入的对象是 RegExp 类型,则通过新的 RegExp 构造函数创建一个新的 RegExp 对象
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if (obj instanceof RegExp) {
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return new RegExp(obj) as unknown as T;
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}
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// 如果传入的对象是 undefined 类型,则返回 undefined
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if (typeof obj === 'undefined') {
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return undefined as unknown as T;
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}
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// 如果传入的对象是数组,则递归调用 cloneDeep 函数对数组中的每个元素进行克隆
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if (Array.isArray(obj)) {
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return obj.map(cloneDeep) as unknown as T;
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}
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// 如果传入的对象是 Date 类型,则通过新的 Date 构造函数创建一个新的 Date 对象
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if (obj instanceof Date) {
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return new Date(obj.getTime()) as unknown as T;
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}
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// 如果传入的对象是普通对象,则使用递归调用 cloneDeep 函数对对象的每个属性进行克隆
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if (typeof obj === 'object') {
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const newObj: any = {};
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for (const [key, value] of Object.entries(obj)) {
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newObj[key] = cloneDeep(value);
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}
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const symbolKeys = Object.getOwnPropertySymbols(obj);
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for (const key of symbolKeys) {
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newObj[key] = cloneDeep(obj[key]);
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}
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return newObj;
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}
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// 如果传入的对象是基本数据类型(如字符串、数字等),则直接返回
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return obj;
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}
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// 示例使用
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// // 克隆一个对象
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// const obj = { name: 'John', age: 30 };
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// const clonedObj = cloneDeep(obj);
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// console.log(clonedObj); // 输出: { name: 'John', age: 30 }
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// console.log(clonedObj === obj); // 输出: false (副本与原对象是独立的)
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// // 克隆一个数组
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// const arr = [1, 2, 3];
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// const clonedArr = cloneDeep(arr);
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// console.log(clonedArr); // 输出: [1, 2, 3]
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// console.log(clonedArr === arr); // 输出: false (副本与原数组是独立的)
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// // 克隆一个包含嵌套对象的对象
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// const person = {
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// name: 'Alice',
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// age: 25,
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// address: {
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// city: 'New York',
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// country: 'USA',
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// },
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// };
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// const clonedPerson = cloneDeep(person);
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// console.log(clonedPerson); // 输出: { name: 'Alice', age: 25, address: { city: 'New York', country: 'USA' } }
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// console.log(clonedPerson === person); // 输出: false (副本与原对象是独立的)
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// console.log(clonedPerson.address === person.address); // 输出: false (嵌套对象的副本也是独立的)
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