import _cloneRegExp from './_cloneRegExp.js';import type from '../type.js';
export default function _clone(value, refFrom, refTo, deep) { var copy = function copy(copiedValue) { var len = refFrom.length; var idx = 0; while (idx < len) { if (value === refFrom[idx]) { return refTo[idx]; } idx += 1; } refFrom[idx] = value; refTo[idx] = copiedValue; for (var key in value) { if (value.hasOwnProperty(key)) { copiedValue[key] = deep ? _clone(value[key], refFrom, refTo, true) : value[key]; } } return copiedValue; }; switch (type(value)) { case 'Object': return copy(Object.create(Object.getPrototypeOf(value))); case 'Array': return copy([]); case 'Date': return new Date(value.valueOf()); case 'RegExp': return _cloneRegExp(value); default: return value; }}