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clone-deep.ts

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import { isPlainObject } from './is-plain-object';

export function cloneDeep(src: any): any {

const type = typeof src;

let data: any;

if (src === null || src === undefined) {

data = src;

} else if (Array.isArray(src)) {

data = src.map(item => cloneDeep(item));

} else if (type === 'object' && isPlainObject(src)) {

data = {};

for (const key in src) {

// eslint-disable-next-line no-prototype-builtins

if (src.hasOwnProperty(key)) {

data[key] = cloneDeep(src[key]);

}

}

} else {

data = src;

}

return data;

}