/** * Copyright (c) 2015-present, Facebook, Inc. * * This source code is licensed under the MIT license found in the * LICENSE file in the root directory of this source tree. */ /* @flow */ function isInternalFile(sourceFileName: ?string, fileName: ?string) { return ( sourceFileName == null || sourceFileName === '' || sourceFileName.indexOf('/~/') !== -1 || sourceFileName.indexOf('/node_modules/') !== -1 || sourceFileName.trim().indexOf(' ') !== -1 || fileName == null || fileName === '' ); } export { isInternalFile };