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Co-Authored-By: 狸花猫/Claude-Qwen3.6-Plus 🐾
33 lines
1.3 KiB
JavaScript
33 lines
1.3 KiB
JavaScript
function _typeof(o) { "@babel/helpers - typeof"; return _typeof = "function" == typeof Symbol && "symbol" == typeof Symbol.iterator ? function (o) { return typeof o; } : function (o) { return o && "function" == typeof Symbol && o.constructor === Symbol && o !== Symbol.prototype ? "symbol" : typeof o; }, _typeof(o); }
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/**
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* 递归进行深拷贝. 模拟还原 JSON.parse + JSON.stringify
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*/
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function traverseClone(obj, hash) {
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if (hash === void 0) {
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hash = new WeakMap();
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}
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if (obj === null) return obj;
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if (obj instanceof Date) return new Date(obj);
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if (obj instanceof RegExp) return new RegExp(obj);
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// 可能是对象或者普通的值 如果是函数的话是不需要深拷贝
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if (_typeof(obj) !== 'object') return obj;
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// 对象分为两种，一种是数组一种是普通的对象
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if (hash.get(obj)) return hash.get(obj);
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var cloneObj = Array.isArray(obj) ? [] : {};
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// 找到的是所属于自己的属性才拷贝
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hash.set(obj, cloneObj);
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for (var key in obj) {
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if (obj.hasOwnProperty(key) && obj[key] !== undefined) {
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// 实现一个递归拷贝
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cloneObj[key] = traverseClone(obj[key], hash);
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}
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}
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return cloneObj;
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}
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export function deepClone(data) {
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try {
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return structuredClone(data);
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} catch (err) {
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return traverseClone(data);
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}
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} |