import { isPrototype } from './_isPrototype' import { nativeKeys } from './_nativeKeys' const objectProto = Object.prototype const hasOwnProperty = objectProto.hasOwnProperty export function baseKeys(object: any) { if (!isPrototype(object)) { return nativeKeys(object) } const result = [] for (const key in new Object(object)) { if (hasOwnProperty.call(object, key) && key != 'constructor') { result.push(key) } } return result }