arbiter/node_modules/get-own-enumerable-keys/index.js

const {propertyIsEnumerable} = Object.prototype;

export default function getOwnEnumerableKeys(object) {
	return [
		...Object.keys(object),
		...Object.getOwnPropertySymbols(object)
			.filter(key => propertyIsEnumerable.call(object, key)),
	];
}