import isObject from './isObject'; import isPlainObject from './isPlainObject'; import isWeb from './isWeb'; export default function cloneObject(data: T): T { let copy: any; const isArray = Array.isArray(data); const isFileListInstance = typeof FileList !== 'undefined' ? data instanceof FileList : false; if (data instanceof Date) { copy = new Date(data); } else if ( !(isWeb && (data instanceof Blob || isFileListInstance)) && (isArray || isObject(data)) ) { copy = isArray ? [] : Object.create(Object.getPrototypeOf(data)); if (!isArray && !isPlainObject(data)) { copy = data; } else { for (const key in data) { if (data.hasOwnProperty(key)) { copy[key] = cloneObject(data[key]); } } } } else { return data; } return copy; }