Function isFile

packages/jest-config/src/resolveConfigPath.ts:20–21

(filePath: string)

import {BULLET, DOCUMENTATION_NOTE} from './utils';

const isFile = (filePath: string) =>
  fs.existsSync(filePath) && !fs.lstatSync(filePath).isDirectory();

const getConfigFilename = (ext: string) => JEST_CONFIG_BASE_NAME + ext;