@bigfishtv/cockpit/es/utils/deepDuplicate.js

import isArray from 'lodash/isArray';
import isPlainObject from 'lodash/isPlainObject';

var count = 0;

/**
 * Deep duplicates an array or object
 * @param  {(Object|Array)} param 	- Object or array to deep duplicate
 * @return {(Object|Array)}			- Returns deep duplicated object or array
 */
export default function deepDuplicate(param) {
	if (isArray(param)) {
		return param.map(deepDuplicate);
	} else if (isPlainObject(param)) {
		var obj = {};
		for (var key in param) {
			if (key == 'id' && !('filename' in param)) {
				obj[key] = 'dup' + ++count;
			} else {
				obj[key] = deepDuplicate(param[key]);
			}
		}
		return obj;
	} else {
		return param;
	}
}