/** * Copyright (c) Meta Platforms, Inc. and affiliates. * * This source code is licensed under the MIT license found in the * LICENSE file in the root directory of this source tree. * */ 'use strict'; /*:: import type { ErrorMap } from './Types' */ /** * turns * { 'MUCH ERROR': '0', 'SUCH WRONG': '1' } * into * { 0: 'MUCH ERROR', 1: 'SUCH WRONG' } */ function invertObject(targetObj /* : ErrorMap */) /* : ErrorMap */ { const result = {}; const mapKeys = Object.keys(targetObj); for (const originalKey of mapKeys) { const originalVal = targetObj[originalKey]; result[originalVal] = originalKey; } return result; } module.exports = invertObject;