import each from './each'; import isFunction from './is-function'; var keys = Object.keys ? function (obj) { return Object.keys(obj); } : function (obj) { var result = []; each(obj, function (value, key) { if (!(isFunction(obj) && key === 'prototype')) { result.push(key); } }); return result; }; export default keys; //# sourceMappingURL=keys.js.map