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30 lines
848 B
30 lines
848 B
3 years ago
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const util = {
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deepCopy(obj) { // 深拷贝
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if (obj == null) {
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return null;
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}
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if (typeof obj !== "object") return obj;
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let result;
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if (Array.isArray(obj)) {
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result = [];
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obj.forEach(item => {
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result.push(
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typeof item === "object" && !(item instanceof Date)
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? util.deepCopy(item)
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: item
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);
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});
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} else {
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result = {};
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Object.keys(obj).forEach(key => {
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result[key] =
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typeof obj[key] === "object" && !(obj[key] instanceof Date)
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? util.deepCopy(obj[key])
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: obj[key];
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});
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}
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return result;
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}
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};
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export default util;
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