forked from M3-Academy/challenge-algorithms-v2.0
190 lines
5.6 KiB
JavaScript
190 lines
5.6 KiB
JavaScript
'use strict';
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Object.defineProperty(exports, '__esModule', {
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value: true
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});
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exports.default = readConfigFileAndSetRootDir;
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function path() {
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const data = _interopRequireWildcard(require('path'));
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path = function () {
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return data;
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};
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return data;
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}
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function fs() {
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const data = _interopRequireWildcard(require('graceful-fs'));
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fs = function () {
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return data;
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};
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return data;
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}
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function _parseJson() {
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const data = _interopRequireDefault(require('parse-json'));
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_parseJson = function () {
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return data;
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};
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return data;
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}
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function _stripJsonComments() {
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const data = _interopRequireDefault(require('strip-json-comments'));
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_stripJsonComments = function () {
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return data;
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};
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return data;
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}
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function _jestUtil() {
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const data = require('jest-util');
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_jestUtil = function () {
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return data;
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};
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return data;
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}
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var _constants = require('./constants');
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function _interopRequireDefault(obj) {
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return obj && obj.__esModule ? obj : {default: obj};
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}
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function _getRequireWildcardCache(nodeInterop) {
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if (typeof WeakMap !== 'function') return null;
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var cacheBabelInterop = new WeakMap();
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var cacheNodeInterop = new WeakMap();
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return (_getRequireWildcardCache = function (nodeInterop) {
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return nodeInterop ? cacheNodeInterop : cacheBabelInterop;
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})(nodeInterop);
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}
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function _interopRequireWildcard(obj, nodeInterop) {
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if (!nodeInterop && obj && obj.__esModule) {
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return obj;
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}
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if (obj === null || (typeof obj !== 'object' && typeof obj !== 'function')) {
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return {default: obj};
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}
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var cache = _getRequireWildcardCache(nodeInterop);
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if (cache && cache.has(obj)) {
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return cache.get(obj);
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}
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var newObj = {};
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var hasPropertyDescriptor =
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Object.defineProperty && Object.getOwnPropertyDescriptor;
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for (var key in obj) {
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if (key !== 'default' && Object.prototype.hasOwnProperty.call(obj, key)) {
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var desc = hasPropertyDescriptor
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? Object.getOwnPropertyDescriptor(obj, key)
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: null;
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if (desc && (desc.get || desc.set)) {
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Object.defineProperty(newObj, key, desc);
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} else {
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newObj[key] = obj[key];
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}
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}
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}
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newObj.default = obj;
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if (cache) {
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cache.set(obj, newObj);
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}
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return newObj;
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}
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/**
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* Copyright (c) Facebook, Inc. and its affiliates. All Rights Reserved.
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*
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* This source code is licensed under the MIT license found in the
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* LICENSE file in the root directory of this source tree.
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*/
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// Read the configuration and set its `rootDir`
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// 1. If it's a `package.json` file, we look into its "jest" property
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// 2. If it's a `jest.config.ts` file, we use `ts-node` to transpile & require it
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// 3. For any other file, we just require it. If we receive an 'ERR_REQUIRE_ESM'
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// from node, perform a dynamic import instead.
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async function readConfigFileAndSetRootDir(configPath) {
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const isTS = configPath.endsWith(_constants.JEST_CONFIG_EXT_TS);
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const isJSON = configPath.endsWith(_constants.JEST_CONFIG_EXT_JSON);
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let configObject;
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try {
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if (isTS) {
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configObject = await loadTSConfigFile(configPath);
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} else if (isJSON) {
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const fileContent = fs().readFileSync(configPath, 'utf8');
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configObject = (0, _parseJson().default)(
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(0, _stripJsonComments().default)(fileContent),
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configPath
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);
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} else {
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configObject = await (0, _jestUtil().requireOrImportModule)(configPath);
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}
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} catch (error) {
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if (isTS) {
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throw new Error(
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`Jest: Failed to parse the TypeScript config file ${configPath}\n` +
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` ${error}`
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);
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}
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throw error;
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}
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if (configPath.endsWith(_constants.PACKAGE_JSON)) {
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// Event if there's no "jest" property in package.json we will still use
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// an empty object.
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configObject = configObject.jest || {};
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}
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if (typeof configObject === 'function') {
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configObject = await configObject();
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}
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if (configObject.rootDir) {
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// We don't touch it if it has an absolute path specified
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if (!path().isAbsolute(configObject.rootDir)) {
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// otherwise, we'll resolve it relative to the file's __dirname
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configObject.rootDir = path().resolve(
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path().dirname(configPath),
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configObject.rootDir
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);
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}
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} else {
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// If rootDir is not there, we'll set it to this file's __dirname
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configObject.rootDir = path().dirname(configPath);
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}
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return configObject;
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}
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// Load the TypeScript configuration
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const loadTSConfigFile = async configPath => {
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// Get registered TypeScript compiler instance
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const registeredCompiler = await getRegisteredCompiler();
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registeredCompiler.enabled(true);
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let configObject = (0, _jestUtil().interopRequireDefault)(
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require(configPath)
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).default;
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// In case the config is a function which imports more Typescript code
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if (typeof configObject === 'function') {
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configObject = await configObject();
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}
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registeredCompiler.enabled(false);
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return configObject;
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};
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let registeredCompilerPromise;
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function getRegisteredCompiler() {
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// Cache the promise to avoid multiple registrations
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registeredCompilerPromise = registeredCompilerPromise ?? registerTsNode();
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return registeredCompilerPromise;
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}
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async function registerTsNode() {
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try {
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// Register TypeScript compiler instance
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const tsNode = await import('ts-node');
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return tsNode.register({
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compilerOptions: {
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module: 'CommonJS'
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},
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moduleTypes: {
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'**': 'cjs'
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}
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});
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} catch (e) {
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if (e.code === 'ERR_MODULE_NOT_FOUND') {
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throw new Error(
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`Jest: 'ts-node' is required for the TypeScript configuration files. Make sure it is installed\nError: ${e.message}`
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);
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}
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throw e;
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}
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}
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