'use strict'; Object.defineProperty(exports, '__esModule', { value: true }); exports.default = readConfigFileAndSetRootDir; function path() { const data = _interopRequireWildcard(require('path')); path = function () { return data; }; return data; } function fs() { const data = _interopRequireWildcard(require('graceful-fs')); fs = function () { return data; }; return data; } function _parseJson() { const data = _interopRequireDefault(require('parse-json')); _parseJson = function () { return data; }; return data; } function _stripJsonComments() { const data = _interopRequireDefault(require('strip-json-comments')); _stripJsonComments = function () { return data; }; return data; } function _jestUtil() { const data = require('jest-util'); _jestUtil = function () { return data; }; return data; } var _constants = require('./constants'); function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : {default: obj}; } function _getRequireWildcardCache(nodeInterop) { if (typeof WeakMap !== 'function') return null; var cacheBabelInterop = new WeakMap(); var cacheNodeInterop = new WeakMap(); return (_getRequireWildcardCache = function (nodeInterop) { return nodeInterop ? cacheNodeInterop : cacheBabelInterop; })(nodeInterop); } function _interopRequireWildcard(obj, nodeInterop) { if (!nodeInterop && obj && obj.__esModule) { return obj; } if (obj === null || (typeof obj !== 'object' && typeof obj !== 'function')) { return {default: obj}; } var cache = _getRequireWildcardCache(nodeInterop); if (cache && cache.has(obj)) { return cache.get(obj); } var newObj = {}; var hasPropertyDescriptor = Object.defineProperty && Object.getOwnPropertyDescriptor; for (var key in obj) { if (key !== 'default' && Object.prototype.hasOwnProperty.call(obj, key)) { var desc = hasPropertyDescriptor ? Object.getOwnPropertyDescriptor(obj, key) : null; if (desc && (desc.get || desc.set)) { Object.defineProperty(newObj, key, desc); } else { newObj[key] = obj[key]; } } } newObj.default = obj; if (cache) { cache.set(obj, newObj); } return newObj; } /** * Copyright (c) Facebook, Inc. and its affiliates. All Rights Reserved. * * This source code is licensed under the MIT license found in the * LICENSE file in the root directory of this source tree. */ // Read the configuration and set its `rootDir` // 1. If it's a `package.json` file, we look into its "jest" property // 2. If it's a `jest.config.ts` file, we use `ts-node` to transpile & require it // 3. For any other file, we just require it. If we receive an 'ERR_REQUIRE_ESM' // from node, perform a dynamic import instead. async function readConfigFileAndSetRootDir(configPath) { const isTS = configPath.endsWith(_constants.JEST_CONFIG_EXT_TS); const isJSON = configPath.endsWith(_constants.JEST_CONFIG_EXT_JSON); let configObject; try { if (isTS) { configObject = await loadTSConfigFile(configPath); } else if (isJSON) { const fileContent = fs().readFileSync(configPath, 'utf8'); configObject = (0, _parseJson().default)( (0, _stripJsonComments().default)(fileContent), configPath ); } else { configObject = await (0, _jestUtil().requireOrImportModule)(configPath); } } catch (error) { if (isTS) { throw new Error( `Jest: Failed to parse the TypeScript config file ${configPath}\n` + ` ${error}` ); } throw error; } if (configPath.endsWith(_constants.PACKAGE_JSON)) { // Event if there's no "jest" property in package.json we will still use // an empty object. configObject = configObject.jest || {}; } if (typeof configObject === 'function') { configObject = await configObject(); } if (configObject.rootDir) { // We don't touch it if it has an absolute path specified if (!path().isAbsolute(configObject.rootDir)) { // otherwise, we'll resolve it relative to the file's __dirname configObject.rootDir = path().resolve( path().dirname(configPath), configObject.rootDir ); } } else { // If rootDir is not there, we'll set it to this file's __dirname configObject.rootDir = path().dirname(configPath); } return configObject; } let registerer; // Load the TypeScript configuration const loadTSConfigFile = async configPath => { // Register TypeScript compiler instance try { registerer || (registerer = require('ts-node').register({ compilerOptions: { module: 'CommonJS' } })); } catch (e) { if (e.code === 'MODULE_NOT_FOUND') { throw new Error( `Jest: 'ts-node' is required for the TypeScript configuration files. Make sure it is installed\nError: ${e.message}` ); } throw e; } registerer.enabled(true); let configObject = (0, _jestUtil().interopRequireDefault)( require(configPath) ).default; // In case the config is a function which imports more Typescript code if (typeof configObject === 'function') { configObject = await configObject(); } registerer.enabled(false); return configObject; };