challenge-algorithms-v2.0-D.../node_modules/jest-config/build/readConfigFileAndSetRootDir.js

190 lines
5.6 KiB
JavaScript

'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;
}
// Load the TypeScript configuration
const loadTSConfigFile = async configPath => {
// Get registered TypeScript compiler instance
const registeredCompiler = await getRegisteredCompiler();
registeredCompiler.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();
}
registeredCompiler.enabled(false);
return configObject;
};
let registeredCompilerPromise;
function getRegisteredCompiler() {
// Cache the promise to avoid multiple registrations
registeredCompilerPromise = registeredCompilerPromise ?? registerTsNode();
return registeredCompilerPromise;
}
async function registerTsNode() {
try {
// Register TypeScript compiler instance
const tsNode = await import('ts-node');
return tsNode.register({
compilerOptions: {
module: 'CommonJS'
},
moduleTypes: {
'**': 'cjs'
}
});
} catch (e) {
if (e.code === 'ERR_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;
}
}