2181 lines
69 KiB
JavaScript
2181 lines
69 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 = void 0;
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function _module() {
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const data = _interopRequireDefault(require('module'));
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_module = 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 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 _url() {
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const data = require('url');
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_url = 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 _vm() {
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const data = require('vm');
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_vm = 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 _cjsModuleLexer() {
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const data = require('cjs-module-lexer');
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_cjsModuleLexer = 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 _collectV8Coverage() {
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const data = require('collect-v8-coverage');
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_collectV8Coverage = 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 _slash() {
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const data = _interopRequireDefault(require('slash'));
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_slash = 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 _stripBom() {
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const data = _interopRequireDefault(require('strip-bom'));
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_stripBom = 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 _transform() {
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const data = require('@jest/transform');
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_transform = 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 _jestHasteMap() {
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const data = _interopRequireDefault(require('jest-haste-map'));
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_jestHasteMap = 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 _jestMessageUtil() {
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const data = require('jest-message-util');
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_jestMessageUtil = 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 _jestRegexUtil() {
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const data = require('jest-regex-util');
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_jestRegexUtil = 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 _jestResolve() {
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const data = _interopRequireDefault(require('jest-resolve'));
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_jestResolve = 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 _jestSnapshot() {
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const data = require('jest-snapshot');
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_jestSnapshot = 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 _helpers = require('./helpers');
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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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function _interopRequireDefault(obj) {
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return obj && obj.__esModule ? obj : {default: obj};
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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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const esmIsAvailable = typeof _vm().SourceTextModule === 'function';
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const dataURIRegex =
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/^data:(?<mime>text\/javascript|application\/json|application\/wasm)(?:;(?<encoding>charset=utf-8|base64))?,(?<code>.*)$/;
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const defaultTransformOptions = {
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isInternalModule: false,
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supportsDynamicImport: esmIsAvailable,
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supportsExportNamespaceFrom: false,
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supportsStaticESM: false,
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supportsTopLevelAwait: false
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};
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// These are modules that we know
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// * are safe to require from the outside (not stateful, not prone to errors passing in instances from different realms), and
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// * take sufficiently long to require to warrant an optimization.
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// When required from the outside, they use the worker's require cache and are thus
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// only loaded once per worker, not once per test file.
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// Use /benchmarks/test-file-overhead to measure the impact.
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// Note that this only applies when they are required in an internal context;
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// users who require one of these modules in their tests will still get the module from inside the VM.
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// Prefer listing a module here only if it is impractical to use the jest-resolve-outside-vm-option where it is required,
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// e.g. because there are many require sites spread across the dependency graph.
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const INTERNAL_MODULE_REQUIRE_OUTSIDE_OPTIMIZED_MODULES = new Set(['chalk']);
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const JEST_RESOLVE_OUTSIDE_VM_OPTION = Symbol.for(
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'jest-resolve-outside-vm-option'
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);
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const testTimeoutSymbol = Symbol.for('TEST_TIMEOUT_SYMBOL');
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const retryTimesSymbol = Symbol.for('RETRY_TIMES');
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const logErrorsBeforeRetrySymbol = Symbol.for('LOG_ERRORS_BEFORE_RETRY');
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const NODE_MODULES = `${path().sep}node_modules${path().sep}`;
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const getModuleNameMapper = config => {
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if (
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Array.isArray(config.moduleNameMapper) &&
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config.moduleNameMapper.length
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) {
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return config.moduleNameMapper.map(([regex, moduleName]) => ({
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moduleName,
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regex: new RegExp(regex)
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}));
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}
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return null;
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};
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const isWasm = modulePath => modulePath.endsWith('.wasm');
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const unmockRegExpCache = new WeakMap();
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const EVAL_RESULT_VARIABLE = 'Object.<anonymous>';
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const runtimeSupportsVmModules = typeof _vm().SyntheticModule === 'function';
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const supportsNodeColonModulePrefixInRequire = (() => {
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try {
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require('node:fs');
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return true;
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} catch {
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return false;
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}
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})();
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class Runtime {
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_cacheFS;
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_cacheFSBuffer = new Map();
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_config;
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_globalConfig;
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_coverageOptions;
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_currentlyExecutingModulePath;
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_environment;
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_explicitShouldMock;
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_explicitShouldMockModule;
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_fakeTimersImplementation;
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_internalModuleRegistry;
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_isCurrentlyExecutingManualMock;
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_mainModule;
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_mockFactories;
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_mockMetaDataCache;
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_mockRegistry;
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_isolatedMockRegistry;
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_moduleMockRegistry;
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_moduleMockFactories;
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_moduleMocker;
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_isolatedModuleRegistry;
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_moduleRegistry;
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_esmoduleRegistry;
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_cjsNamedExports;
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_esmModuleLinkingMap;
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_testPath;
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_resolver;
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_shouldAutoMock;
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_shouldMockModuleCache;
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_shouldUnmockTransitiveDependenciesCache;
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_sourceMapRegistry;
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_scriptTransformer;
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_fileTransforms;
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_fileTransformsMutex;
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_v8CoverageInstrumenter;
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_v8CoverageResult;
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_v8CoverageSources;
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_transitiveShouldMock;
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_unmockList;
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_virtualMocks;
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_virtualModuleMocks;
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_moduleImplementation;
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jestObjectCaches;
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jestGlobals;
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esmConditions;
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cjsConditions;
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isTornDown = false;
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constructor(
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config,
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environment,
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resolver,
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transformer,
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cacheFS,
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coverageOptions,
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testPath,
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// TODO: make mandatory in Jest 30
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globalConfig
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) {
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this._cacheFS = cacheFS;
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this._config = config;
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this._coverageOptions = coverageOptions;
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this._currentlyExecutingModulePath = '';
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this._environment = environment;
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this._globalConfig = globalConfig;
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this._explicitShouldMock = new Map();
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this._explicitShouldMockModule = new Map();
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this._internalModuleRegistry = new Map();
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this._isCurrentlyExecutingManualMock = null;
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this._mainModule = null;
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this._mockFactories = new Map();
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this._mockRegistry = new Map();
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this._moduleMockRegistry = new Map();
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this._moduleMockFactories = new Map();
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invariant(
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this._environment.moduleMocker,
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'`moduleMocker` must be set on an environment when created'
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);
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this._moduleMocker = this._environment.moduleMocker;
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this._isolatedModuleRegistry = null;
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this._isolatedMockRegistry = null;
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this._moduleRegistry = new Map();
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this._esmoduleRegistry = new Map();
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this._cjsNamedExports = new Map();
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this._esmModuleLinkingMap = new WeakMap();
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this._testPath = testPath;
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this._resolver = resolver;
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this._scriptTransformer = transformer;
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this._shouldAutoMock = config.automock;
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this._sourceMapRegistry = new Map();
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this._fileTransforms = new Map();
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this._fileTransformsMutex = new Map();
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this._virtualMocks = new Map();
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this._virtualModuleMocks = new Map();
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this.jestObjectCaches = new Map();
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this._mockMetaDataCache = new Map();
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this._shouldMockModuleCache = new Map();
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this._shouldUnmockTransitiveDependenciesCache = new Map();
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this._transitiveShouldMock = new Map();
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this._fakeTimersImplementation = config.fakeTimers.legacyFakeTimers
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? this._environment.fakeTimers
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: this._environment.fakeTimersModern;
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this._unmockList = unmockRegExpCache.get(config);
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if (!this._unmockList && config.unmockedModulePathPatterns) {
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this._unmockList = new RegExp(
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config.unmockedModulePathPatterns.join('|')
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);
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unmockRegExpCache.set(config, this._unmockList);
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}
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const envExportConditions = this._environment.exportConditions?.() ?? [];
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this.esmConditions = Array.from(
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new Set(['import', 'default', ...envExportConditions])
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);
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this.cjsConditions = Array.from(
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new Set(['require', 'default', ...envExportConditions])
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);
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if (config.automock) {
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config.setupFiles.forEach(filePath => {
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if (filePath.includes(NODE_MODULES)) {
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const moduleID = this._resolver.getModuleID(
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this._virtualMocks,
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filePath,
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undefined,
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// shouldn't really matter, but in theory this will make sure the caching is correct
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{
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conditions: this.unstable_shouldLoadAsEsm(filePath)
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? this.esmConditions
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: this.cjsConditions
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}
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);
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this._transitiveShouldMock.set(moduleID, false);
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}
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});
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}
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this.resetModules();
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}
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static shouldInstrument = _transform().shouldInstrument;
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static async createContext(config, options) {
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(0, _jestUtil().createDirectory)(config.cacheDirectory);
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const instance = await Runtime.createHasteMap(config, {
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console: options.console,
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maxWorkers: options.maxWorkers,
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resetCache: !config.cache,
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watch: options.watch,
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watchman: options.watchman
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});
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const hasteMap = await instance.build();
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return {
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config,
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hasteFS: hasteMap.hasteFS,
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moduleMap: hasteMap.moduleMap,
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resolver: Runtime.createResolver(config, hasteMap.moduleMap)
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};
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}
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static createHasteMap(config, options) {
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const ignorePatternParts = [
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...config.modulePathIgnorePatterns,
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...(options && options.watch ? config.watchPathIgnorePatterns : []),
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config.cacheDirectory.startsWith(config.rootDir + path().sep) &&
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config.cacheDirectory
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].filter(Boolean);
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const ignorePattern =
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ignorePatternParts.length > 0
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? new RegExp(ignorePatternParts.join('|'))
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: undefined;
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return _jestHasteMap().default.create({
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cacheDirectory: config.cacheDirectory,
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computeSha1: config.haste.computeSha1,
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console: options?.console,
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dependencyExtractor: config.dependencyExtractor,
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enableSymlinks: config.haste.enableSymlinks,
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extensions: [_jestSnapshot().EXTENSION].concat(
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config.moduleFileExtensions
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),
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forceNodeFilesystemAPI: config.haste.forceNodeFilesystemAPI,
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hasteImplModulePath: config.haste.hasteImplModulePath,
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hasteMapModulePath: config.haste.hasteMapModulePath,
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id: config.id,
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ignorePattern,
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maxWorkers: options?.maxWorkers || 1,
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mocksPattern: (0, _jestRegexUtil().escapePathForRegex)(
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`${path().sep}__mocks__${path().sep}`
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),
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platforms: config.haste.platforms || ['ios', 'android'],
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resetCache: options?.resetCache,
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retainAllFiles: config.haste.retainAllFiles || false,
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rootDir: config.rootDir,
|
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roots: config.roots,
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throwOnModuleCollision: config.haste.throwOnModuleCollision,
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useWatchman: options?.watchman,
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watch: options?.watch
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});
|
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}
|
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static createResolver(config, moduleMap) {
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return new (_jestResolve().default)(moduleMap, {
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defaultPlatform: config.haste.defaultPlatform,
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extensions: config.moduleFileExtensions.map(extension => `.${extension}`),
|
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hasCoreModules: true,
|
|
moduleDirectories: config.moduleDirectories,
|
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moduleNameMapper: getModuleNameMapper(config),
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modulePaths: config.modulePaths,
|
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platforms: config.haste.platforms,
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resolver: config.resolver,
|
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rootDir: config.rootDir
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});
|
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}
|
|
static async runCLI() {
|
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throw new Error('The jest-runtime CLI has been moved into jest-repl');
|
|
}
|
|
static getCLIOptions() {
|
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throw new Error('The jest-runtime CLI has been moved into jest-repl');
|
|
}
|
|
|
|
// unstable as it should be replaced by https://github.com/nodejs/modules/issues/393, and we don't want people to use it
|
|
unstable_shouldLoadAsEsm(modulePath) {
|
|
return (
|
|
isWasm(modulePath) ||
|
|
_jestResolve().default.unstable_shouldLoadAsEsm(
|
|
modulePath,
|
|
this._config.extensionsToTreatAsEsm
|
|
)
|
|
);
|
|
}
|
|
|
|
// not async _now_, but transform will be
|
|
async loadEsmModule(modulePath, query = '') {
|
|
const cacheKey = modulePath + query;
|
|
if (this._fileTransformsMutex.has(cacheKey)) {
|
|
await this._fileTransformsMutex.get(cacheKey);
|
|
}
|
|
if (!this._esmoduleRegistry.has(cacheKey)) {
|
|
invariant(
|
|
typeof this._environment.getVmContext === 'function',
|
|
'ES Modules are only supported if your test environment has the `getVmContext` function'
|
|
);
|
|
const context = this._environment.getVmContext();
|
|
invariant(context, 'Test environment has been torn down');
|
|
let transformResolve;
|
|
let transformReject;
|
|
this._fileTransformsMutex.set(
|
|
cacheKey,
|
|
new Promise((resolve, reject) => {
|
|
transformResolve = resolve;
|
|
transformReject = reject;
|
|
})
|
|
);
|
|
invariant(
|
|
transformResolve && transformReject,
|
|
'Promise initialization should be sync - please report this bug to Jest!'
|
|
);
|
|
if (isWasm(modulePath)) {
|
|
const wasm = this._importWasmModule(
|
|
this.readFileBuffer(modulePath),
|
|
modulePath,
|
|
context
|
|
);
|
|
this._esmoduleRegistry.set(cacheKey, wasm);
|
|
transformResolve();
|
|
return wasm;
|
|
}
|
|
if (this._resolver.isCoreModule(modulePath)) {
|
|
const core = this._importCoreModule(modulePath, context);
|
|
this._esmoduleRegistry.set(cacheKey, core);
|
|
transformResolve();
|
|
return core;
|
|
}
|
|
const transformedCode = await this.transformFileAsync(modulePath, {
|
|
isInternalModule: false,
|
|
supportsDynamicImport: true,
|
|
supportsExportNamespaceFrom: true,
|
|
supportsStaticESM: true,
|
|
supportsTopLevelAwait: true
|
|
});
|
|
try {
|
|
const module = new (_vm().SourceTextModule)(transformedCode, {
|
|
context,
|
|
identifier: modulePath,
|
|
importModuleDynamically: async (specifier, referencingModule) => {
|
|
invariant(
|
|
runtimeSupportsVmModules,
|
|
'You need to run with a version of node that supports ES Modules in the VM API. See https://jestjs.io/docs/ecmascript-modules'
|
|
);
|
|
const module = await this.resolveModule(
|
|
specifier,
|
|
referencingModule.identifier,
|
|
referencingModule.context
|
|
);
|
|
return this.linkAndEvaluateModule(module);
|
|
},
|
|
initializeImportMeta: meta => {
|
|
meta.url = (0, _url().pathToFileURL)(modulePath).href;
|
|
let jest = this.jestObjectCaches.get(modulePath);
|
|
if (!jest) {
|
|
jest = this._createJestObjectFor(modulePath);
|
|
this.jestObjectCaches.set(modulePath, jest);
|
|
}
|
|
meta.jest = jest;
|
|
}
|
|
});
|
|
invariant(
|
|
!this._esmoduleRegistry.has(cacheKey),
|
|
`Module cache already has entry ${cacheKey}. This is a bug in Jest, please report it!`
|
|
);
|
|
this._esmoduleRegistry.set(cacheKey, module);
|
|
transformResolve();
|
|
} catch (error) {
|
|
transformReject(error);
|
|
throw error;
|
|
}
|
|
}
|
|
const module = this._esmoduleRegistry.get(cacheKey);
|
|
invariant(
|
|
module,
|
|
'Module cache does not contain module. This is a bug in Jest, please open up an issue'
|
|
);
|
|
return module;
|
|
}
|
|
async resolveModule(specifier, referencingIdentifier, context) {
|
|
if (this.isTornDown) {
|
|
this._logFormattedReferenceError(
|
|
'You are trying to `import` a file after the Jest environment has been torn down.'
|
|
);
|
|
process.exitCode = 1;
|
|
// @ts-expect-error - exiting
|
|
return;
|
|
}
|
|
if (specifier === '@jest/globals') {
|
|
const fromCache = this._esmoduleRegistry.get('@jest/globals');
|
|
if (fromCache) {
|
|
return fromCache;
|
|
}
|
|
const globals = this.getGlobalsForEsm(referencingIdentifier, context);
|
|
this._esmoduleRegistry.set('@jest/globals', globals);
|
|
return globals;
|
|
}
|
|
if (specifier.startsWith('data:')) {
|
|
if (
|
|
await this._shouldMockModule(
|
|
referencingIdentifier,
|
|
specifier,
|
|
this._explicitShouldMockModule
|
|
)
|
|
) {
|
|
return this.importMock(referencingIdentifier, specifier, context);
|
|
}
|
|
const fromCache = this._esmoduleRegistry.get(specifier);
|
|
if (fromCache) {
|
|
return fromCache;
|
|
}
|
|
const match = specifier.match(dataURIRegex);
|
|
if (!match || !match.groups) {
|
|
throw new Error('Invalid data URI');
|
|
}
|
|
const mime = match.groups.mime;
|
|
const encoding = match.groups.encoding;
|
|
let module;
|
|
if (mime === 'application/wasm') {
|
|
if (!encoding) {
|
|
throw new Error('Missing data URI encoding');
|
|
}
|
|
if (encoding !== 'base64') {
|
|
throw new Error(`Invalid data URI encoding: ${encoding}`);
|
|
}
|
|
module = await this._importWasmModule(
|
|
Buffer.from(match.groups.code, 'base64'),
|
|
specifier,
|
|
context
|
|
);
|
|
} else {
|
|
let code = match.groups.code;
|
|
if (!encoding || encoding === 'charset=utf-8') {
|
|
code = decodeURIComponent(code);
|
|
} else if (encoding === 'base64') {
|
|
code = Buffer.from(code, 'base64').toString();
|
|
} else {
|
|
throw new Error(`Invalid data URI encoding: ${encoding}`);
|
|
}
|
|
if (mime === 'application/json') {
|
|
module = new (_vm().SyntheticModule)(
|
|
['default'],
|
|
function () {
|
|
const obj = JSON.parse(code);
|
|
// @ts-expect-error: TS doesn't know what `this` is
|
|
this.setExport('default', obj);
|
|
},
|
|
{
|
|
context,
|
|
identifier: specifier
|
|
}
|
|
);
|
|
} else {
|
|
module = new (_vm().SourceTextModule)(code, {
|
|
context,
|
|
identifier: specifier,
|
|
importModuleDynamically: async (specifier, referencingModule) => {
|
|
invariant(
|
|
runtimeSupportsVmModules,
|
|
'You need to run with a version of node that supports ES Modules in the VM API. See https://jestjs.io/docs/ecmascript-modules'
|
|
);
|
|
const module = await this.resolveModule(
|
|
specifier,
|
|
referencingModule.identifier,
|
|
referencingModule.context
|
|
);
|
|
return this.linkAndEvaluateModule(module);
|
|
},
|
|
initializeImportMeta(meta) {
|
|
// no `jest` here as it's not loaded in a file
|
|
meta.url = specifier;
|
|
}
|
|
});
|
|
}
|
|
}
|
|
this._esmoduleRegistry.set(specifier, module);
|
|
return module;
|
|
}
|
|
if (specifier.startsWith('file://')) {
|
|
specifier = (0, _url().fileURLToPath)(specifier);
|
|
}
|
|
const [path, query] = specifier.split('?');
|
|
if (
|
|
await this._shouldMockModule(
|
|
referencingIdentifier,
|
|
path,
|
|
this._explicitShouldMockModule
|
|
)
|
|
) {
|
|
return this.importMock(referencingIdentifier, path, context);
|
|
}
|
|
const resolved = await this._resolveModule(referencingIdentifier, path);
|
|
if (
|
|
this._resolver.isCoreModule(resolved) ||
|
|
this.unstable_shouldLoadAsEsm(resolved)
|
|
) {
|
|
return this.loadEsmModule(resolved, query);
|
|
}
|
|
return this.loadCjsAsEsm(referencingIdentifier, resolved, context);
|
|
}
|
|
async linkAndEvaluateModule(module) {
|
|
if (this.isTornDown) {
|
|
this._logFormattedReferenceError(
|
|
'You are trying to `import` a file after the Jest environment has been torn down.'
|
|
);
|
|
process.exitCode = 1;
|
|
return;
|
|
}
|
|
if (module.status === 'unlinked') {
|
|
// since we might attempt to link the same module in parallel, stick the promise in a weak map so every call to
|
|
// this method can await it
|
|
this._esmModuleLinkingMap.set(
|
|
module,
|
|
module.link((specifier, referencingModule) =>
|
|
this.resolveModule(
|
|
specifier,
|
|
referencingModule.identifier,
|
|
referencingModule.context
|
|
)
|
|
)
|
|
);
|
|
}
|
|
await this._esmModuleLinkingMap.get(module);
|
|
if (module.status === 'linked') {
|
|
await module.evaluate();
|
|
}
|
|
return module;
|
|
}
|
|
async unstable_importModule(from, moduleName) {
|
|
invariant(
|
|
runtimeSupportsVmModules,
|
|
'You need to run with a version of node that supports ES Modules in the VM API. See https://jestjs.io/docs/ecmascript-modules'
|
|
);
|
|
const [path, query] = (moduleName ?? '').split('?');
|
|
const modulePath = await this._resolveModule(from, path);
|
|
const module = await this.loadEsmModule(modulePath, query);
|
|
return this.linkAndEvaluateModule(module);
|
|
}
|
|
loadCjsAsEsm(from, modulePath, context) {
|
|
// CJS loaded via `import` should share cache with other CJS: https://github.com/nodejs/modules/issues/503
|
|
const cjs = this.requireModuleOrMock(from, modulePath);
|
|
const parsedExports = this.getExportsOfCjs(modulePath);
|
|
const cjsExports = [...parsedExports].filter(exportName => {
|
|
// we don't wanna respect any exports _named_ default as a named export
|
|
if (exportName === 'default') {
|
|
return false;
|
|
}
|
|
return Object.hasOwnProperty.call(cjs, exportName);
|
|
});
|
|
const module = new (_vm().SyntheticModule)(
|
|
[...cjsExports, 'default'],
|
|
function () {
|
|
cjsExports.forEach(exportName => {
|
|
// @ts-expect-error: TS doesn't know what `this` is
|
|
this.setExport(exportName, cjs[exportName]);
|
|
});
|
|
// @ts-expect-error: TS doesn't know what `this` is
|
|
this.setExport('default', cjs);
|
|
},
|
|
{
|
|
context,
|
|
identifier: modulePath
|
|
}
|
|
);
|
|
return evaluateSyntheticModule(module);
|
|
}
|
|
async importMock(from, moduleName, context) {
|
|
const moduleID = await this._resolver.getModuleIDAsync(
|
|
this._virtualModuleMocks,
|
|
from,
|
|
moduleName,
|
|
{
|
|
conditions: this.esmConditions
|
|
}
|
|
);
|
|
if (this._moduleMockRegistry.has(moduleID)) {
|
|
return this._moduleMockRegistry.get(moduleID);
|
|
}
|
|
if (this._moduleMockFactories.has(moduleID)) {
|
|
const invokedFactory = await this._moduleMockFactories.get(
|
|
moduleID
|
|
// has check above makes this ok
|
|
)();
|
|
|
|
const module = new (_vm().SyntheticModule)(
|
|
Object.keys(invokedFactory),
|
|
function () {
|
|
Object.entries(invokedFactory).forEach(([key, value]) => {
|
|
// @ts-expect-error: TS doesn't know what `this` is
|
|
this.setExport(key, value);
|
|
});
|
|
},
|
|
{
|
|
context,
|
|
identifier: moduleName
|
|
}
|
|
);
|
|
this._moduleMockRegistry.set(moduleID, module);
|
|
return evaluateSyntheticModule(module);
|
|
}
|
|
throw new Error('Attempting to import a mock without a factory');
|
|
}
|
|
getExportsOfCjs(modulePath) {
|
|
const cachedNamedExports = this._cjsNamedExports.get(modulePath);
|
|
if (cachedNamedExports) {
|
|
return cachedNamedExports;
|
|
}
|
|
const transformedCode =
|
|
this._fileTransforms.get(modulePath)?.code ?? this.readFile(modulePath);
|
|
const {exports, reexports} = (0, _cjsModuleLexer().parse)(transformedCode);
|
|
const namedExports = new Set(exports);
|
|
reexports.forEach(reexport => {
|
|
const resolved = this._resolveCjsModule(modulePath, reexport);
|
|
const exports = this.getExportsOfCjs(resolved);
|
|
exports.forEach(namedExports.add, namedExports);
|
|
});
|
|
this._cjsNamedExports.set(modulePath, namedExports);
|
|
return namedExports;
|
|
}
|
|
requireModule(from, moduleName, options, isRequireActual = false) {
|
|
const isInternal = options?.isInternalModule ?? false;
|
|
const moduleID = this._resolver.getModuleID(
|
|
this._virtualMocks,
|
|
from,
|
|
moduleName,
|
|
{
|
|
conditions: this.cjsConditions
|
|
}
|
|
);
|
|
let modulePath;
|
|
|
|
// Some old tests rely on this mocking behavior. Ideally we'll change this
|
|
// to be more explicit.
|
|
const moduleResource = moduleName && this._resolver.getModule(moduleName);
|
|
const manualMock =
|
|
moduleName && this._resolver.getMockModule(from, moduleName);
|
|
if (
|
|
!options?.isInternalModule &&
|
|
!isRequireActual &&
|
|
!moduleResource &&
|
|
manualMock &&
|
|
manualMock !== this._isCurrentlyExecutingManualMock &&
|
|
this._explicitShouldMock.get(moduleID) !== false
|
|
) {
|
|
modulePath = manualMock;
|
|
}
|
|
if (moduleName && this._resolver.isCoreModule(moduleName)) {
|
|
return this._requireCoreModule(
|
|
moduleName,
|
|
supportsNodeColonModulePrefixInRequire
|
|
);
|
|
}
|
|
if (!modulePath) {
|
|
modulePath = this._resolveCjsModule(from, moduleName);
|
|
}
|
|
if (this.unstable_shouldLoadAsEsm(modulePath)) {
|
|
// Node includes more info in the message
|
|
const error = new Error(
|
|
`Must use import to load ES Module: ${modulePath}`
|
|
);
|
|
error.code = 'ERR_REQUIRE_ESM';
|
|
throw error;
|
|
}
|
|
let moduleRegistry;
|
|
if (isInternal) {
|
|
moduleRegistry = this._internalModuleRegistry;
|
|
} else if (this._isolatedModuleRegistry) {
|
|
moduleRegistry = this._isolatedModuleRegistry;
|
|
} else {
|
|
moduleRegistry = this._moduleRegistry;
|
|
}
|
|
const module = moduleRegistry.get(modulePath);
|
|
if (module) {
|
|
return module.exports;
|
|
}
|
|
|
|
// We must register the pre-allocated module object first so that any
|
|
// circular dependencies that may arise while evaluating the module can
|
|
// be satisfied.
|
|
const localModule = {
|
|
children: [],
|
|
exports: {},
|
|
filename: modulePath,
|
|
id: modulePath,
|
|
loaded: false,
|
|
path: path().dirname(modulePath)
|
|
};
|
|
moduleRegistry.set(modulePath, localModule);
|
|
try {
|
|
this._loadModule(
|
|
localModule,
|
|
from,
|
|
moduleName,
|
|
modulePath,
|
|
options,
|
|
moduleRegistry
|
|
);
|
|
} catch (error) {
|
|
moduleRegistry.delete(modulePath);
|
|
throw error;
|
|
}
|
|
return localModule.exports;
|
|
}
|
|
requireInternalModule(from, to) {
|
|
if (to) {
|
|
const require = (
|
|
_module().default.createRequire ??
|
|
_module().default.createRequireFromPath
|
|
)(from);
|
|
if (INTERNAL_MODULE_REQUIRE_OUTSIDE_OPTIMIZED_MODULES.has(to)) {
|
|
return require(to);
|
|
}
|
|
const outsideJestVmPath = (0, _helpers.decodePossibleOutsideJestVmPath)(
|
|
to
|
|
);
|
|
if (outsideJestVmPath) {
|
|
return require(outsideJestVmPath);
|
|
}
|
|
}
|
|
return this.requireModule(from, to, {
|
|
isInternalModule: true,
|
|
supportsDynamicImport: esmIsAvailable,
|
|
supportsExportNamespaceFrom: false,
|
|
supportsStaticESM: false,
|
|
supportsTopLevelAwait: false
|
|
});
|
|
}
|
|
requireActual(from, moduleName) {
|
|
return this.requireModule(from, moduleName, undefined, true);
|
|
}
|
|
requireMock(from, moduleName) {
|
|
const moduleID = this._resolver.getModuleID(
|
|
this._virtualMocks,
|
|
from,
|
|
moduleName,
|
|
{
|
|
conditions: this.cjsConditions
|
|
}
|
|
);
|
|
if (this._isolatedMockRegistry?.has(moduleID)) {
|
|
return this._isolatedMockRegistry.get(moduleID);
|
|
} else if (this._mockRegistry.has(moduleID)) {
|
|
return this._mockRegistry.get(moduleID);
|
|
}
|
|
const mockRegistry = this._isolatedMockRegistry || this._mockRegistry;
|
|
if (this._mockFactories.has(moduleID)) {
|
|
// has check above makes this ok
|
|
const module = this._mockFactories.get(moduleID)();
|
|
mockRegistry.set(moduleID, module);
|
|
return module;
|
|
}
|
|
const manualMockOrStub = this._resolver.getMockModule(from, moduleName);
|
|
let modulePath =
|
|
this._resolver.getMockModule(from, moduleName) ||
|
|
this._resolveCjsModule(from, moduleName);
|
|
let isManualMock =
|
|
manualMockOrStub &&
|
|
!this._resolver.resolveStubModuleName(from, moduleName);
|
|
if (!isManualMock) {
|
|
// If the actual module file has a __mocks__ dir sitting immediately next
|
|
// to it, look to see if there is a manual mock for this file.
|
|
//
|
|
// subDir1/my_module.js
|
|
// subDir1/__mocks__/my_module.js
|
|
// subDir2/my_module.js
|
|
// subDir2/__mocks__/my_module.js
|
|
//
|
|
// Where some other module does a relative require into each of the
|
|
// respective subDir{1,2} directories and expects a manual mock
|
|
// corresponding to that particular my_module.js file.
|
|
|
|
const moduleDir = path().dirname(modulePath);
|
|
const moduleFileName = path().basename(modulePath);
|
|
const potentialManualMock = path().join(
|
|
moduleDir,
|
|
'__mocks__',
|
|
moduleFileName
|
|
);
|
|
if (fs().existsSync(potentialManualMock)) {
|
|
isManualMock = true;
|
|
modulePath = potentialManualMock;
|
|
}
|
|
}
|
|
if (isManualMock) {
|
|
const localModule = {
|
|
children: [],
|
|
exports: {},
|
|
filename: modulePath,
|
|
id: modulePath,
|
|
loaded: false,
|
|
path: path().dirname(modulePath)
|
|
};
|
|
this._loadModule(
|
|
localModule,
|
|
from,
|
|
moduleName,
|
|
modulePath,
|
|
undefined,
|
|
mockRegistry
|
|
);
|
|
mockRegistry.set(moduleID, localModule.exports);
|
|
} else {
|
|
// Look for a real module to generate an automock from
|
|
mockRegistry.set(moduleID, this._generateMock(from, moduleName));
|
|
}
|
|
return mockRegistry.get(moduleID);
|
|
}
|
|
_loadModule(
|
|
localModule,
|
|
from,
|
|
moduleName,
|
|
modulePath,
|
|
options,
|
|
moduleRegistry
|
|
) {
|
|
if (path().extname(modulePath) === '.json') {
|
|
const text = (0, _stripBom().default)(this.readFile(modulePath));
|
|
const transformedFile = this._scriptTransformer.transformJson(
|
|
modulePath,
|
|
this._getFullTransformationOptions(options),
|
|
text
|
|
);
|
|
localModule.exports =
|
|
this._environment.global.JSON.parse(transformedFile);
|
|
} else if (path().extname(modulePath) === '.node') {
|
|
localModule.exports = require(modulePath);
|
|
} else {
|
|
// Only include the fromPath if a moduleName is given. Else treat as root.
|
|
const fromPath = moduleName ? from : null;
|
|
this._execModule(localModule, options, moduleRegistry, fromPath);
|
|
}
|
|
localModule.loaded = true;
|
|
}
|
|
_getFullTransformationOptions(options = defaultTransformOptions) {
|
|
return {
|
|
...options,
|
|
...this._coverageOptions
|
|
};
|
|
}
|
|
requireModuleOrMock(from, moduleName) {
|
|
// this module is unmockable
|
|
if (moduleName === '@jest/globals') {
|
|
// @ts-expect-error: we don't care that it's not assignable to T
|
|
return this.getGlobalsForCjs(from);
|
|
}
|
|
try {
|
|
if (this._shouldMockCjs(from, moduleName, this._explicitShouldMock)) {
|
|
return this.requireMock(from, moduleName);
|
|
} else {
|
|
return this.requireModule(from, moduleName);
|
|
}
|
|
} catch (e) {
|
|
const moduleNotFound =
|
|
_jestResolve().default.tryCastModuleNotFoundError(e);
|
|
if (moduleNotFound) {
|
|
if (
|
|
moduleNotFound.siblingWithSimilarExtensionFound === null ||
|
|
moduleNotFound.siblingWithSimilarExtensionFound === undefined
|
|
) {
|
|
moduleNotFound.hint = (0, _helpers.findSiblingsWithFileExtension)(
|
|
this._config.moduleFileExtensions,
|
|
from,
|
|
moduleNotFound.moduleName || moduleName
|
|
);
|
|
moduleNotFound.siblingWithSimilarExtensionFound = Boolean(
|
|
moduleNotFound.hint
|
|
);
|
|
}
|
|
moduleNotFound.buildMessage(this._config.rootDir);
|
|
throw moduleNotFound;
|
|
}
|
|
throw e;
|
|
}
|
|
}
|
|
isolateModules(fn) {
|
|
if (this._isolatedModuleRegistry || this._isolatedMockRegistry) {
|
|
throw new Error(
|
|
'isolateModules cannot be nested inside another isolateModules.'
|
|
);
|
|
}
|
|
this._isolatedModuleRegistry = new Map();
|
|
this._isolatedMockRegistry = new Map();
|
|
try {
|
|
fn();
|
|
} finally {
|
|
// might be cleared within the callback
|
|
this._isolatedModuleRegistry?.clear();
|
|
this._isolatedMockRegistry?.clear();
|
|
this._isolatedModuleRegistry = null;
|
|
this._isolatedMockRegistry = null;
|
|
}
|
|
}
|
|
resetModules() {
|
|
this._isolatedModuleRegistry?.clear();
|
|
this._isolatedMockRegistry?.clear();
|
|
this._isolatedModuleRegistry = null;
|
|
this._isolatedMockRegistry = null;
|
|
this._mockRegistry.clear();
|
|
this._moduleRegistry.clear();
|
|
this._esmoduleRegistry.clear();
|
|
this._fileTransformsMutex.clear();
|
|
this._cjsNamedExports.clear();
|
|
this._moduleMockRegistry.clear();
|
|
this._cacheFS.clear();
|
|
this._cacheFSBuffer.clear();
|
|
if (
|
|
this._coverageOptions.collectCoverage &&
|
|
this._coverageOptions.coverageProvider === 'v8' &&
|
|
this._v8CoverageSources
|
|
) {
|
|
this._v8CoverageSources = new Map([
|
|
...this._v8CoverageSources,
|
|
...this._fileTransforms
|
|
]);
|
|
}
|
|
this._fileTransforms.clear();
|
|
if (this._environment) {
|
|
if (this._environment.global) {
|
|
const envGlobal = this._environment.global;
|
|
Object.keys(envGlobal).forEach(key => {
|
|
const globalMock = envGlobal[key];
|
|
if (
|
|
((typeof globalMock === 'object' && globalMock !== null) ||
|
|
typeof globalMock === 'function') &&
|
|
globalMock._isMockFunction === true
|
|
) {
|
|
globalMock.mockClear();
|
|
}
|
|
});
|
|
}
|
|
if (this._environment.fakeTimers) {
|
|
this._environment.fakeTimers.clearAllTimers();
|
|
}
|
|
}
|
|
}
|
|
async collectV8Coverage() {
|
|
this._v8CoverageInstrumenter =
|
|
new (_collectV8Coverage().CoverageInstrumenter)();
|
|
this._v8CoverageSources = new Map();
|
|
await this._v8CoverageInstrumenter.startInstrumenting();
|
|
}
|
|
async stopCollectingV8Coverage() {
|
|
if (!this._v8CoverageInstrumenter || !this._v8CoverageSources) {
|
|
throw new Error('You need to call `collectV8Coverage` first.');
|
|
}
|
|
this._v8CoverageResult =
|
|
await this._v8CoverageInstrumenter.stopInstrumenting();
|
|
this._v8CoverageSources = new Map([
|
|
...this._v8CoverageSources,
|
|
...this._fileTransforms
|
|
]);
|
|
}
|
|
getAllCoverageInfoCopy() {
|
|
return (0, _jestUtil().deepCyclicCopy)(
|
|
this._environment.global.__coverage__
|
|
);
|
|
}
|
|
getAllV8CoverageInfoCopy() {
|
|
if (!this._v8CoverageResult || !this._v8CoverageSources) {
|
|
throw new Error('You need to call `stopCollectingV8Coverage` first.');
|
|
}
|
|
return this._v8CoverageResult
|
|
.filter(res => res.url.startsWith('file://'))
|
|
.map(res => ({
|
|
...res,
|
|
url: (0, _url().fileURLToPath)(res.url)
|
|
}))
|
|
.filter(
|
|
res =>
|
|
// TODO: will this work on windows? It might be better if `shouldInstrument` deals with it anyways
|
|
res.url.startsWith(this._config.rootDir) &&
|
|
this._v8CoverageSources.has(res.url) &&
|
|
(0, _transform().shouldInstrument)(
|
|
res.url,
|
|
this._coverageOptions,
|
|
this._config
|
|
)
|
|
)
|
|
.map(result => {
|
|
const transformedFile = this._v8CoverageSources.get(result.url);
|
|
return {
|
|
codeTransformResult: transformedFile,
|
|
result
|
|
};
|
|
});
|
|
}
|
|
getSourceMaps() {
|
|
return this._sourceMapRegistry;
|
|
}
|
|
setMock(from, moduleName, mockFactory, options) {
|
|
if (options?.virtual) {
|
|
const mockPath = this._resolver.getModulePath(from, moduleName);
|
|
this._virtualMocks.set(mockPath, true);
|
|
}
|
|
const moduleID = this._resolver.getModuleID(
|
|
this._virtualMocks,
|
|
from,
|
|
moduleName,
|
|
{
|
|
conditions: this.cjsConditions
|
|
}
|
|
);
|
|
this._explicitShouldMock.set(moduleID, true);
|
|
this._mockFactories.set(moduleID, mockFactory);
|
|
}
|
|
setModuleMock(from, moduleName, mockFactory, options) {
|
|
if (options?.virtual) {
|
|
const mockPath = this._resolver.getModulePath(from, moduleName);
|
|
this._virtualModuleMocks.set(mockPath, true);
|
|
}
|
|
const moduleID = this._resolver.getModuleID(
|
|
this._virtualModuleMocks,
|
|
from,
|
|
moduleName,
|
|
{
|
|
conditions: this.esmConditions
|
|
}
|
|
);
|
|
this._explicitShouldMockModule.set(moduleID, true);
|
|
this._moduleMockFactories.set(moduleID, mockFactory);
|
|
}
|
|
restoreAllMocks() {
|
|
this._moduleMocker.restoreAllMocks();
|
|
}
|
|
resetAllMocks() {
|
|
this._moduleMocker.resetAllMocks();
|
|
}
|
|
clearAllMocks() {
|
|
this._moduleMocker.clearAllMocks();
|
|
}
|
|
teardown() {
|
|
this.restoreAllMocks();
|
|
this.resetAllMocks();
|
|
this.resetModules();
|
|
this._internalModuleRegistry.clear();
|
|
this._mainModule = null;
|
|
this._mockFactories.clear();
|
|
this._moduleMockFactories.clear();
|
|
this._mockMetaDataCache.clear();
|
|
this._shouldMockModuleCache.clear();
|
|
this._shouldUnmockTransitiveDependenciesCache.clear();
|
|
this._explicitShouldMock.clear();
|
|
this._explicitShouldMockModule.clear();
|
|
this._transitiveShouldMock.clear();
|
|
this._virtualMocks.clear();
|
|
this._virtualModuleMocks.clear();
|
|
this._cacheFS.clear();
|
|
this._unmockList = undefined;
|
|
this._sourceMapRegistry.clear();
|
|
this._fileTransforms.clear();
|
|
this.jestObjectCaches.clear();
|
|
this._v8CoverageSources?.clear();
|
|
this._v8CoverageResult = [];
|
|
this._v8CoverageInstrumenter = undefined;
|
|
this._moduleImplementation = undefined;
|
|
this.isTornDown = true;
|
|
}
|
|
_resolveCjsModule(from, to) {
|
|
return to
|
|
? this._resolver.resolveModule(from, to, {
|
|
conditions: this.cjsConditions
|
|
})
|
|
: from;
|
|
}
|
|
_resolveModule(from, to) {
|
|
return to
|
|
? this._resolver.resolveModuleAsync(from, to, {
|
|
conditions: this.esmConditions
|
|
})
|
|
: from;
|
|
}
|
|
_requireResolve(from, moduleName, options = {}) {
|
|
if (moduleName == null) {
|
|
throw new Error(
|
|
'The first argument to require.resolve must be a string. Received null or undefined.'
|
|
);
|
|
}
|
|
if (path().isAbsolute(moduleName)) {
|
|
const module = this._resolver.resolveModuleFromDirIfExists(
|
|
moduleName,
|
|
moduleName,
|
|
{
|
|
conditions: this.cjsConditions,
|
|
paths: []
|
|
}
|
|
);
|
|
if (module) {
|
|
return module;
|
|
}
|
|
} else {
|
|
const {paths} = options;
|
|
if (paths) {
|
|
for (const p of paths) {
|
|
const absolutePath = path().resolve(from, '..', p);
|
|
const module = this._resolver.resolveModuleFromDirIfExists(
|
|
absolutePath,
|
|
moduleName,
|
|
// required to also resolve files without leading './' directly in the path
|
|
{
|
|
conditions: this.cjsConditions,
|
|
paths: [absolutePath]
|
|
}
|
|
);
|
|
if (module) {
|
|
return module;
|
|
}
|
|
}
|
|
throw new (_jestResolve().default.ModuleNotFoundError)(
|
|
`Cannot resolve module '${moduleName}' from paths ['${paths.join(
|
|
"', '"
|
|
)}'] from ${from}`
|
|
);
|
|
}
|
|
}
|
|
try {
|
|
return this._resolveCjsModule(from, moduleName);
|
|
} catch (err) {
|
|
const module = this._resolver.getMockModule(from, moduleName);
|
|
if (module) {
|
|
return module;
|
|
} else {
|
|
throw err;
|
|
}
|
|
}
|
|
}
|
|
_requireResolvePaths(from, moduleName) {
|
|
if (moduleName == null) {
|
|
throw new Error(
|
|
'The first argument to require.resolve.paths must be a string. Received null or undefined.'
|
|
);
|
|
}
|
|
if (!moduleName.length) {
|
|
throw new Error(
|
|
'The first argument to require.resolve.paths must not be the empty string.'
|
|
);
|
|
}
|
|
if (moduleName[0] === '.') {
|
|
return [path().resolve(from, '..')];
|
|
}
|
|
if (this._resolver.isCoreModule(moduleName)) {
|
|
return null;
|
|
}
|
|
return this._resolver.getModulePaths(path().resolve(from, '..'));
|
|
}
|
|
_execModule(localModule, options, moduleRegistry, from) {
|
|
if (this.isTornDown) {
|
|
this._logFormattedReferenceError(
|
|
'You are trying to `import` a file after the Jest environment has been torn down.'
|
|
);
|
|
process.exitCode = 1;
|
|
return;
|
|
}
|
|
|
|
// If the environment was disposed, prevent this module from being executed.
|
|
if (!this._environment.global) {
|
|
return;
|
|
}
|
|
const module = localModule;
|
|
const filename = module.filename;
|
|
const lastExecutingModulePath = this._currentlyExecutingModulePath;
|
|
this._currentlyExecutingModulePath = filename;
|
|
const origCurrExecutingManualMock = this._isCurrentlyExecutingManualMock;
|
|
this._isCurrentlyExecutingManualMock = filename;
|
|
module.children = [];
|
|
Object.defineProperty(module, 'parent', {
|
|
enumerable: true,
|
|
get() {
|
|
const key = from || '';
|
|
return moduleRegistry.get(key) || null;
|
|
}
|
|
});
|
|
module.paths = this._resolver.getModulePaths(module.path);
|
|
Object.defineProperty(module, 'require', {
|
|
value: this._createRequireImplementation(module, options)
|
|
});
|
|
const transformedCode = this.transformFile(filename, options);
|
|
let compiledFunction = null;
|
|
const script = this.createScriptFromCode(transformedCode, filename);
|
|
let runScript = null;
|
|
const vmContext = this._environment.getVmContext();
|
|
if (vmContext) {
|
|
runScript = script.runInContext(vmContext, {
|
|
filename
|
|
});
|
|
}
|
|
if (runScript !== null) {
|
|
compiledFunction = runScript[EVAL_RESULT_VARIABLE];
|
|
}
|
|
if (compiledFunction === null) {
|
|
this._logFormattedReferenceError(
|
|
'You are trying to `import` a file after the Jest environment has been torn down.'
|
|
);
|
|
process.exitCode = 1;
|
|
return;
|
|
}
|
|
const jestObject = this._createJestObjectFor(filename);
|
|
this.jestObjectCaches.set(filename, jestObject);
|
|
const lastArgs = [
|
|
this._config.injectGlobals ? jestObject : undefined,
|
|
// jest object
|
|
...this._config.sandboxInjectedGlobals.map(globalVariable => {
|
|
if (this._environment.global[globalVariable]) {
|
|
return this._environment.global[globalVariable];
|
|
}
|
|
throw new Error(
|
|
`You have requested '${globalVariable}' as a global variable, but it was not present. Please check your config or your global environment.`
|
|
);
|
|
})
|
|
];
|
|
if (!this._mainModule && filename === this._testPath) {
|
|
this._mainModule = module;
|
|
}
|
|
Object.defineProperty(module, 'main', {
|
|
enumerable: true,
|
|
value: this._mainModule
|
|
});
|
|
try {
|
|
compiledFunction.call(
|
|
module.exports,
|
|
module,
|
|
// module object
|
|
module.exports,
|
|
// module exports
|
|
module.require,
|
|
// require implementation
|
|
module.path,
|
|
// __dirname
|
|
module.filename,
|
|
// __filename
|
|
lastArgs[0],
|
|
...lastArgs.slice(1).filter(notEmpty)
|
|
);
|
|
} catch (error) {
|
|
this.handleExecutionError(error, module);
|
|
}
|
|
this._isCurrentlyExecutingManualMock = origCurrExecutingManualMock;
|
|
this._currentlyExecutingModulePath = lastExecutingModulePath;
|
|
}
|
|
transformFile(filename, options) {
|
|
const source = this.readFile(filename);
|
|
if (options?.isInternalModule) {
|
|
return source;
|
|
}
|
|
let transformedFile = this._fileTransforms.get(filename);
|
|
if (transformedFile) {
|
|
return transformedFile.code;
|
|
}
|
|
transformedFile = this._scriptTransformer.transform(
|
|
filename,
|
|
this._getFullTransformationOptions(options),
|
|
source
|
|
);
|
|
this._fileTransforms.set(filename, {
|
|
...transformedFile,
|
|
wrapperLength: this.constructModuleWrapperStart().length
|
|
});
|
|
if (transformedFile.sourceMapPath) {
|
|
this._sourceMapRegistry.set(filename, transformedFile.sourceMapPath);
|
|
}
|
|
return transformedFile.code;
|
|
}
|
|
async transformFileAsync(filename, options) {
|
|
const source = this.readFile(filename);
|
|
if (options?.isInternalModule) {
|
|
return source;
|
|
}
|
|
let transformedFile = this._fileTransforms.get(filename);
|
|
if (transformedFile) {
|
|
return transformedFile.code;
|
|
}
|
|
transformedFile = await this._scriptTransformer.transformAsync(
|
|
filename,
|
|
this._getFullTransformationOptions(options),
|
|
source
|
|
);
|
|
this._fileTransforms.set(filename, {
|
|
...transformedFile,
|
|
wrapperLength: 0
|
|
});
|
|
if (transformedFile.sourceMapPath) {
|
|
this._sourceMapRegistry.set(filename, transformedFile.sourceMapPath);
|
|
}
|
|
return transformedFile.code;
|
|
}
|
|
createScriptFromCode(scriptSource, filename) {
|
|
try {
|
|
const scriptFilename = this._resolver.isCoreModule(filename)
|
|
? `jest-nodejs-core-${filename}`
|
|
: filename;
|
|
return new (_vm().Script)(this.wrapCodeInModuleWrapper(scriptSource), {
|
|
displayErrors: true,
|
|
filename: scriptFilename,
|
|
// @ts-expect-error: Experimental ESM API
|
|
importModuleDynamically: async specifier => {
|
|
invariant(
|
|
runtimeSupportsVmModules,
|
|
'You need to run with a version of node that supports ES Modules in the VM API. See https://jestjs.io/docs/ecmascript-modules'
|
|
);
|
|
const context = this._environment.getVmContext?.();
|
|
invariant(context, 'Test environment has been torn down');
|
|
const module = await this.resolveModule(
|
|
specifier,
|
|
scriptFilename,
|
|
context
|
|
);
|
|
return this.linkAndEvaluateModule(module);
|
|
}
|
|
});
|
|
} catch (e) {
|
|
throw (0, _transform().handlePotentialSyntaxError)(e);
|
|
}
|
|
}
|
|
_requireCoreModule(moduleName, supportPrefix) {
|
|
const moduleWithoutNodePrefix =
|
|
supportPrefix && moduleName.startsWith('node:')
|
|
? moduleName.slice('node:'.length)
|
|
: moduleName;
|
|
if (moduleWithoutNodePrefix === 'process') {
|
|
return this._environment.global.process;
|
|
}
|
|
if (moduleWithoutNodePrefix === 'module') {
|
|
return this._getMockedNativeModule();
|
|
}
|
|
return require(moduleWithoutNodePrefix);
|
|
}
|
|
_importCoreModule(moduleName, context) {
|
|
const required = this._requireCoreModule(moduleName, true);
|
|
const module = new (_vm().SyntheticModule)(
|
|
['default', ...Object.keys(required)],
|
|
function () {
|
|
// @ts-expect-error: TS doesn't know what `this` is
|
|
this.setExport('default', required);
|
|
Object.entries(required).forEach(([key, value]) => {
|
|
// @ts-expect-error: TS doesn't know what `this` is
|
|
this.setExport(key, value);
|
|
});
|
|
},
|
|
// should identifier be `node://${moduleName}`?
|
|
{
|
|
context,
|
|
identifier: moduleName
|
|
}
|
|
);
|
|
return evaluateSyntheticModule(module);
|
|
}
|
|
async _importWasmModule(source, identifier, context) {
|
|
const wasmModule = await WebAssembly.compile(source);
|
|
const exports = WebAssembly.Module.exports(wasmModule);
|
|
const imports = WebAssembly.Module.imports(wasmModule);
|
|
const moduleLookup = {};
|
|
for (const {module} of imports) {
|
|
if (moduleLookup[module] === undefined) {
|
|
moduleLookup[module] = await this.loadEsmModule(
|
|
await this.resolveModule(module, identifier, context)
|
|
);
|
|
}
|
|
}
|
|
const syntheticModule = new (_vm().SyntheticModule)(
|
|
exports.map(({name}) => name),
|
|
function () {
|
|
const importsObject = {};
|
|
for (const {module, name} of imports) {
|
|
if (!importsObject[module]) {
|
|
importsObject[module] = {};
|
|
}
|
|
importsObject[module][name] = moduleLookup[module].namespace[name];
|
|
}
|
|
const wasmInstance = new WebAssembly.Instance(
|
|
wasmModule,
|
|
importsObject
|
|
);
|
|
for (const {name} of exports) {
|
|
// @ts-expect-error: TS doesn't know what `this` is
|
|
this.setExport(name, wasmInstance.exports[name]);
|
|
}
|
|
},
|
|
{
|
|
context,
|
|
identifier
|
|
}
|
|
);
|
|
return syntheticModule;
|
|
}
|
|
_getMockedNativeModule() {
|
|
if (this._moduleImplementation) {
|
|
return this._moduleImplementation;
|
|
}
|
|
const createRequire = modulePath => {
|
|
const filename =
|
|
typeof modulePath === 'string'
|
|
? modulePath.startsWith('file:///')
|
|
? (0, _url().fileURLToPath)(new (_url().URL)(modulePath))
|
|
: modulePath
|
|
: (0, _url().fileURLToPath)(modulePath);
|
|
if (!path().isAbsolute(filename)) {
|
|
const error = new TypeError(
|
|
`The argument 'filename' must be a file URL object, file URL string, or absolute path string. Received '${filename}'`
|
|
);
|
|
error.code = 'ERR_INVALID_ARG_TYPE';
|
|
throw error;
|
|
}
|
|
return this._createRequireImplementation({
|
|
children: [],
|
|
exports: {},
|
|
filename,
|
|
id: filename,
|
|
loaded: false,
|
|
path: path().dirname(filename)
|
|
});
|
|
};
|
|
|
|
// should we implement the class ourselves?
|
|
class Module extends _module().default.Module {}
|
|
Object.entries(_module().default.Module).forEach(([key, value]) => {
|
|
// @ts-expect-error: no index signature
|
|
Module[key] = value;
|
|
});
|
|
Module.Module = Module;
|
|
if ('createRequire' in _module().default) {
|
|
Module.createRequire = createRequire;
|
|
}
|
|
if ('createRequireFromPath' in _module().default) {
|
|
Module.createRequireFromPath = function createRequireFromPath(filename) {
|
|
if (typeof filename !== 'string') {
|
|
const error = new TypeError(
|
|
`The argument 'filename' must be string. Received '${filename}'.${
|
|
filename instanceof _url().URL
|
|
? ' Use createRequire for URL filename.'
|
|
: ''
|
|
}`
|
|
);
|
|
error.code = 'ERR_INVALID_ARG_TYPE';
|
|
throw error;
|
|
}
|
|
return createRequire(filename);
|
|
};
|
|
}
|
|
if ('syncBuiltinESMExports' in _module().default) {
|
|
// cast since TS seems very confused about whether it exists or not
|
|
Module.syncBuiltinESMExports =
|
|
// eslint-disable-next-line @typescript-eslint/no-empty-function
|
|
function syncBuiltinESMExports() {};
|
|
}
|
|
this._moduleImplementation = Module;
|
|
return Module;
|
|
}
|
|
_generateMock(from, moduleName) {
|
|
const modulePath =
|
|
this._resolver.resolveStubModuleName(from, moduleName) ||
|
|
this._resolveCjsModule(from, moduleName);
|
|
if (!this._mockMetaDataCache.has(modulePath)) {
|
|
// This allows us to handle circular dependencies while generating an
|
|
// automock
|
|
|
|
this._mockMetaDataCache.set(
|
|
modulePath,
|
|
this._moduleMocker.getMetadata({}) || {}
|
|
);
|
|
|
|
// In order to avoid it being possible for automocking to potentially
|
|
// cause side-effects within the module environment, we need to execute
|
|
// the module in isolation. This could cause issues if the module being
|
|
// mocked has calls into side-effectful APIs on another module.
|
|
const origMockRegistry = this._mockRegistry;
|
|
const origModuleRegistry = this._moduleRegistry;
|
|
this._mockRegistry = new Map();
|
|
this._moduleRegistry = new Map();
|
|
const moduleExports = this.requireModule(from, moduleName);
|
|
|
|
// Restore the "real" module/mock registries
|
|
this._mockRegistry = origMockRegistry;
|
|
this._moduleRegistry = origModuleRegistry;
|
|
const mockMetadata = this._moduleMocker.getMetadata(moduleExports);
|
|
if (mockMetadata == null) {
|
|
throw new Error(
|
|
`Failed to get mock metadata: ${modulePath}\n\n` +
|
|
'See: https://jestjs.io/docs/manual-mocks#content'
|
|
);
|
|
}
|
|
this._mockMetaDataCache.set(modulePath, mockMetadata);
|
|
}
|
|
return this._moduleMocker.generateFromMetadata(
|
|
// added above if missing
|
|
this._mockMetaDataCache.get(modulePath)
|
|
);
|
|
}
|
|
_shouldMockCjs(from, moduleName, explicitShouldMock) {
|
|
const options = {
|
|
conditions: this.cjsConditions
|
|
};
|
|
const moduleID = this._resolver.getModuleID(
|
|
this._virtualMocks,
|
|
from,
|
|
moduleName,
|
|
options
|
|
);
|
|
const key = from + path().delimiter + moduleID;
|
|
if (explicitShouldMock.has(moduleID)) {
|
|
// guaranteed by `has` above
|
|
return explicitShouldMock.get(moduleID);
|
|
}
|
|
if (
|
|
!this._shouldAutoMock ||
|
|
this._resolver.isCoreModule(moduleName) ||
|
|
this._shouldUnmockTransitiveDependenciesCache.get(key)
|
|
) {
|
|
return false;
|
|
}
|
|
if (this._shouldMockModuleCache.has(moduleID)) {
|
|
// guaranteed by `has` above
|
|
return this._shouldMockModuleCache.get(moduleID);
|
|
}
|
|
let modulePath;
|
|
try {
|
|
modulePath = this._resolveCjsModule(from, moduleName);
|
|
} catch (e) {
|
|
const manualMock = this._resolver.getMockModule(from, moduleName);
|
|
if (manualMock) {
|
|
this._shouldMockModuleCache.set(moduleID, true);
|
|
return true;
|
|
}
|
|
throw e;
|
|
}
|
|
if (this._unmockList && this._unmockList.test(modulePath)) {
|
|
this._shouldMockModuleCache.set(moduleID, false);
|
|
return false;
|
|
}
|
|
|
|
// transitive unmocking for package managers that store flat packages (npm3)
|
|
const currentModuleID = this._resolver.getModuleID(
|
|
this._virtualMocks,
|
|
from,
|
|
undefined,
|
|
options
|
|
);
|
|
if (
|
|
this._transitiveShouldMock.get(currentModuleID) === false ||
|
|
(from.includes(NODE_MODULES) &&
|
|
modulePath.includes(NODE_MODULES) &&
|
|
((this._unmockList && this._unmockList.test(from)) ||
|
|
explicitShouldMock.get(currentModuleID) === false))
|
|
) {
|
|
this._transitiveShouldMock.set(moduleID, false);
|
|
this._shouldUnmockTransitiveDependenciesCache.set(key, true);
|
|
return false;
|
|
}
|
|
this._shouldMockModuleCache.set(moduleID, true);
|
|
return true;
|
|
}
|
|
async _shouldMockModule(from, moduleName, explicitShouldMock) {
|
|
const options = {
|
|
conditions: this.esmConditions
|
|
};
|
|
const moduleID = await this._resolver.getModuleIDAsync(
|
|
this._virtualMocks,
|
|
from,
|
|
moduleName,
|
|
options
|
|
);
|
|
const key = from + path().delimiter + moduleID;
|
|
if (explicitShouldMock.has(moduleID)) {
|
|
// guaranteed by `has` above
|
|
return explicitShouldMock.get(moduleID);
|
|
}
|
|
if (
|
|
!this._shouldAutoMock ||
|
|
this._resolver.isCoreModule(moduleName) ||
|
|
this._shouldUnmockTransitiveDependenciesCache.get(key)
|
|
) {
|
|
return false;
|
|
}
|
|
if (this._shouldMockModuleCache.has(moduleID)) {
|
|
// guaranteed by `has` above
|
|
return this._shouldMockModuleCache.get(moduleID);
|
|
}
|
|
let modulePath;
|
|
try {
|
|
modulePath = await this._resolveModule(from, moduleName);
|
|
} catch (e) {
|
|
const manualMock = await this._resolver.getMockModuleAsync(
|
|
from,
|
|
moduleName
|
|
);
|
|
if (manualMock) {
|
|
this._shouldMockModuleCache.set(moduleID, true);
|
|
return true;
|
|
}
|
|
throw e;
|
|
}
|
|
if (this._unmockList && this._unmockList.test(modulePath)) {
|
|
this._shouldMockModuleCache.set(moduleID, false);
|
|
return false;
|
|
}
|
|
|
|
// transitive unmocking for package managers that store flat packages (npm3)
|
|
const currentModuleID = await this._resolver.getModuleIDAsync(
|
|
this._virtualMocks,
|
|
from,
|
|
undefined,
|
|
options
|
|
);
|
|
if (
|
|
this._transitiveShouldMock.get(currentModuleID) === false ||
|
|
(from.includes(NODE_MODULES) &&
|
|
modulePath.includes(NODE_MODULES) &&
|
|
((this._unmockList && this._unmockList.test(from)) ||
|
|
explicitShouldMock.get(currentModuleID) === false))
|
|
) {
|
|
this._transitiveShouldMock.set(moduleID, false);
|
|
this._shouldUnmockTransitiveDependenciesCache.set(key, true);
|
|
return false;
|
|
}
|
|
this._shouldMockModuleCache.set(moduleID, true);
|
|
return true;
|
|
}
|
|
_createRequireImplementation(from, options) {
|
|
const resolve = (moduleName, resolveOptions) => {
|
|
const resolved = this._requireResolve(
|
|
from.filename,
|
|
moduleName,
|
|
resolveOptions
|
|
);
|
|
if (
|
|
resolveOptions?.[JEST_RESOLVE_OUTSIDE_VM_OPTION] &&
|
|
options?.isInternalModule
|
|
) {
|
|
return (0, _helpers.createOutsideJestVmPath)(resolved);
|
|
}
|
|
return resolved;
|
|
};
|
|
resolve.paths = moduleName =>
|
|
this._requireResolvePaths(from.filename, moduleName);
|
|
const moduleRequire = options?.isInternalModule
|
|
? moduleName => this.requireInternalModule(from.filename, moduleName)
|
|
: this.requireModuleOrMock.bind(this, from.filename);
|
|
moduleRequire.extensions = Object.create(null);
|
|
moduleRequire.resolve = resolve;
|
|
moduleRequire.cache = (() => {
|
|
// TODO: consider warning somehow that this does nothing. We should support deletions, anyways
|
|
const notPermittedMethod = () => true;
|
|
return new Proxy(Object.create(null), {
|
|
defineProperty: notPermittedMethod,
|
|
deleteProperty: notPermittedMethod,
|
|
get: (_target, key) =>
|
|
typeof key === 'string' ? this._moduleRegistry.get(key) : undefined,
|
|
getOwnPropertyDescriptor() {
|
|
return {
|
|
configurable: true,
|
|
enumerable: true
|
|
};
|
|
},
|
|
has: (_target, key) =>
|
|
typeof key === 'string' && this._moduleRegistry.has(key),
|
|
ownKeys: () => Array.from(this._moduleRegistry.keys()),
|
|
set: notPermittedMethod
|
|
});
|
|
})();
|
|
Object.defineProperty(moduleRequire, 'main', {
|
|
enumerable: true,
|
|
value: this._mainModule
|
|
});
|
|
return moduleRequire;
|
|
}
|
|
_createJestObjectFor(from) {
|
|
const disableAutomock = () => {
|
|
this._shouldAutoMock = false;
|
|
return jestObject;
|
|
};
|
|
const enableAutomock = () => {
|
|
this._shouldAutoMock = true;
|
|
return jestObject;
|
|
};
|
|
const unmock = moduleName => {
|
|
const moduleID = this._resolver.getModuleID(
|
|
this._virtualMocks,
|
|
from,
|
|
moduleName,
|
|
{
|
|
conditions: this.cjsConditions
|
|
}
|
|
);
|
|
this._explicitShouldMock.set(moduleID, false);
|
|
return jestObject;
|
|
};
|
|
const deepUnmock = moduleName => {
|
|
const moduleID = this._resolver.getModuleID(
|
|
this._virtualMocks,
|
|
from,
|
|
moduleName,
|
|
{
|
|
conditions: this.cjsConditions
|
|
}
|
|
);
|
|
this._explicitShouldMock.set(moduleID, false);
|
|
this._transitiveShouldMock.set(moduleID, false);
|
|
return jestObject;
|
|
};
|
|
const mock = (moduleName, mockFactory, options) => {
|
|
if (mockFactory !== undefined) {
|
|
return setMockFactory(moduleName, mockFactory, options);
|
|
}
|
|
const moduleID = this._resolver.getModuleID(
|
|
this._virtualMocks,
|
|
from,
|
|
moduleName,
|
|
{
|
|
conditions: this.cjsConditions
|
|
}
|
|
);
|
|
this._explicitShouldMock.set(moduleID, true);
|
|
return jestObject;
|
|
};
|
|
const setMockFactory = (moduleName, mockFactory, options) => {
|
|
this.setMock(from, moduleName, mockFactory, options);
|
|
return jestObject;
|
|
};
|
|
const mockModule = (moduleName, mockFactory, options) => {
|
|
if (typeof mockFactory !== 'function') {
|
|
throw new Error('`unstable_mockModule` must be passed a mock factory');
|
|
}
|
|
this.setModuleMock(from, moduleName, mockFactory, options);
|
|
return jestObject;
|
|
};
|
|
const clearAllMocks = () => {
|
|
this.clearAllMocks();
|
|
return jestObject;
|
|
};
|
|
const resetAllMocks = () => {
|
|
this.resetAllMocks();
|
|
return jestObject;
|
|
};
|
|
const restoreAllMocks = () => {
|
|
this.restoreAllMocks();
|
|
return jestObject;
|
|
};
|
|
const _getFakeTimers = () => {
|
|
if (
|
|
this.isTornDown ||
|
|
!(this._environment.fakeTimers || this._environment.fakeTimersModern)
|
|
) {
|
|
this._logFormattedReferenceError(
|
|
'You are trying to access a property or method of the Jest environment after it has been torn down.'
|
|
);
|
|
process.exitCode = 1;
|
|
}
|
|
return this._fakeTimersImplementation;
|
|
};
|
|
const useFakeTimers = fakeTimersConfig => {
|
|
fakeTimersConfig = {
|
|
...this._config.fakeTimers,
|
|
...fakeTimersConfig
|
|
};
|
|
if (fakeTimersConfig?.legacyFakeTimers) {
|
|
this._fakeTimersImplementation = this._environment.fakeTimers;
|
|
} else {
|
|
this._fakeTimersImplementation = this._environment.fakeTimersModern;
|
|
}
|
|
this._fakeTimersImplementation.useFakeTimers(fakeTimersConfig);
|
|
return jestObject;
|
|
};
|
|
const useRealTimers = () => {
|
|
_getFakeTimers().useRealTimers();
|
|
return jestObject;
|
|
};
|
|
const resetModules = () => {
|
|
this.resetModules();
|
|
return jestObject;
|
|
};
|
|
const isolateModules = fn => {
|
|
this.isolateModules(fn);
|
|
return jestObject;
|
|
};
|
|
const fn = this._moduleMocker.fn.bind(this._moduleMocker);
|
|
const spyOn = this._moduleMocker.spyOn.bind(this._moduleMocker);
|
|
const mocked =
|
|
this._moduleMocker.mocked?.bind(this._moduleMocker) ??
|
|
(() => {
|
|
throw new Error(
|
|
'Your test environment does not support `mocked`, please update it.'
|
|
);
|
|
});
|
|
const setTimeout = timeout => {
|
|
this._environment.global[testTimeoutSymbol] = timeout;
|
|
return jestObject;
|
|
};
|
|
const retryTimes = (numTestRetries, options) => {
|
|
this._environment.global[retryTimesSymbol] = numTestRetries;
|
|
this._environment.global[logErrorsBeforeRetrySymbol] =
|
|
options?.logErrorsBeforeRetry;
|
|
return jestObject;
|
|
};
|
|
const jestObject = {
|
|
advanceTimersByTime: msToRun =>
|
|
_getFakeTimers().advanceTimersByTime(msToRun),
|
|
advanceTimersToNextTimer: steps =>
|
|
_getFakeTimers().advanceTimersToNextTimer(steps),
|
|
autoMockOff: disableAutomock,
|
|
autoMockOn: enableAutomock,
|
|
clearAllMocks,
|
|
clearAllTimers: () => _getFakeTimers().clearAllTimers(),
|
|
createMockFromModule: moduleName => this._generateMock(from, moduleName),
|
|
deepUnmock,
|
|
disableAutomock,
|
|
doMock: mock,
|
|
dontMock: unmock,
|
|
enableAutomock,
|
|
fn,
|
|
genMockFromModule: moduleName => this._generateMock(from, moduleName),
|
|
getRealSystemTime: () => {
|
|
const fakeTimers = _getFakeTimers();
|
|
if (fakeTimers === this._environment.fakeTimersModern) {
|
|
return fakeTimers.getRealSystemTime();
|
|
} else {
|
|
throw new TypeError(
|
|
'`jest.getRealSystemTime()` is not available when using legacy fake timers.'
|
|
);
|
|
}
|
|
},
|
|
getSeed: () => {
|
|
// TODO: remove this check in Jest 30
|
|
if (this._globalConfig?.seed === undefined) {
|
|
throw new Error(
|
|
'The seed value is not available. Likely you are using older versions of the jest dependencies.'
|
|
);
|
|
}
|
|
return this._globalConfig.seed;
|
|
},
|
|
getTimerCount: () => _getFakeTimers().getTimerCount(),
|
|
isMockFunction: this._moduleMocker.isMockFunction,
|
|
isolateModules,
|
|
mock,
|
|
mocked,
|
|
now: () => _getFakeTimers().now(),
|
|
requireActual: moduleName => this.requireActual(from, moduleName),
|
|
requireMock: moduleName => this.requireMock(from, moduleName),
|
|
resetAllMocks,
|
|
resetModules,
|
|
restoreAllMocks,
|
|
retryTimes,
|
|
runAllImmediates: () => {
|
|
const fakeTimers = _getFakeTimers();
|
|
if (fakeTimers === this._environment.fakeTimers) {
|
|
fakeTimers.runAllImmediates();
|
|
} else {
|
|
throw new TypeError(
|
|
'`jest.runAllImmediates()` is only available when using legacy fake timers.'
|
|
);
|
|
}
|
|
},
|
|
runAllTicks: () => _getFakeTimers().runAllTicks(),
|
|
runAllTimers: () => _getFakeTimers().runAllTimers(),
|
|
runOnlyPendingTimers: () => _getFakeTimers().runOnlyPendingTimers(),
|
|
setMock: (moduleName, mock) => setMockFactory(moduleName, () => mock),
|
|
setSystemTime: now => {
|
|
const fakeTimers = _getFakeTimers();
|
|
if (fakeTimers === this._environment.fakeTimersModern) {
|
|
fakeTimers.setSystemTime(now);
|
|
} else {
|
|
throw new TypeError(
|
|
'`jest.setSystemTime()` is not available when using legacy fake timers.'
|
|
);
|
|
}
|
|
},
|
|
setTimeout,
|
|
spyOn,
|
|
unmock,
|
|
unstable_mockModule: mockModule,
|
|
useFakeTimers,
|
|
useRealTimers
|
|
};
|
|
return jestObject;
|
|
}
|
|
_logFormattedReferenceError(errorMessage) {
|
|
const testPath = this._testPath
|
|
? ` From ${(0, _slash().default)(
|
|
path().relative(this._config.rootDir, this._testPath)
|
|
)}.`
|
|
: '';
|
|
const originalStack = new ReferenceError(`${errorMessage}${testPath}`).stack
|
|
.split('\n')
|
|
// Remove this file from the stack (jest-message-utils will keep one line)
|
|
.filter(line => line.indexOf(__filename) === -1)
|
|
.join('\n');
|
|
const {message, stack} = (0, _jestMessageUtil().separateMessageFromStack)(
|
|
originalStack
|
|
);
|
|
console.error(
|
|
`\n${message}\n${(0, _jestMessageUtil().formatStackTrace)(
|
|
stack,
|
|
this._config,
|
|
{
|
|
noStackTrace: false
|
|
}
|
|
)}`
|
|
);
|
|
}
|
|
wrapCodeInModuleWrapper(content) {
|
|
return `${this.constructModuleWrapperStart() + content}\n}});`;
|
|
}
|
|
constructModuleWrapperStart() {
|
|
const args = this.constructInjectedModuleParameters();
|
|
return `({"${EVAL_RESULT_VARIABLE}":function(${args.join(',')}){`;
|
|
}
|
|
constructInjectedModuleParameters() {
|
|
return [
|
|
'module',
|
|
'exports',
|
|
'require',
|
|
'__dirname',
|
|
'__filename',
|
|
this._config.injectGlobals ? 'jest' : undefined,
|
|
...this._config.sandboxInjectedGlobals
|
|
].filter(notEmpty);
|
|
}
|
|
handleExecutionError(e, module) {
|
|
const moduleNotFoundError =
|
|
_jestResolve().default.tryCastModuleNotFoundError(e);
|
|
if (moduleNotFoundError) {
|
|
if (!moduleNotFoundError.requireStack) {
|
|
moduleNotFoundError.requireStack = [module.filename || module.id];
|
|
for (let cursor = module.parent; cursor; cursor = cursor.parent) {
|
|
moduleNotFoundError.requireStack.push(cursor.filename || cursor.id);
|
|
}
|
|
moduleNotFoundError.buildMessage(this._config.rootDir);
|
|
}
|
|
throw moduleNotFoundError;
|
|
}
|
|
throw e;
|
|
}
|
|
getGlobalsForCjs(from) {
|
|
const jest = this.jestObjectCaches.get(from);
|
|
invariant(jest, 'There should always be a Jest object already');
|
|
return {
|
|
...this.getGlobalsFromEnvironment(),
|
|
jest
|
|
};
|
|
}
|
|
getGlobalsForEsm(from, context) {
|
|
let jest = this.jestObjectCaches.get(from);
|
|
if (!jest) {
|
|
jest = this._createJestObjectFor(from);
|
|
this.jestObjectCaches.set(from, jest);
|
|
}
|
|
const globals = {
|
|
...this.getGlobalsFromEnvironment(),
|
|
jest
|
|
};
|
|
const module = new (_vm().SyntheticModule)(
|
|
Object.keys(globals),
|
|
function () {
|
|
Object.entries(globals).forEach(([key, value]) => {
|
|
// @ts-expect-error: TS doesn't know what `this` is
|
|
this.setExport(key, value);
|
|
});
|
|
},
|
|
{
|
|
context,
|
|
identifier: '@jest/globals'
|
|
}
|
|
);
|
|
return evaluateSyntheticModule(module);
|
|
}
|
|
getGlobalsFromEnvironment() {
|
|
if (this.jestGlobals) {
|
|
return {
|
|
...this.jestGlobals
|
|
};
|
|
}
|
|
return {
|
|
afterAll: this._environment.global.afterAll,
|
|
afterEach: this._environment.global.afterEach,
|
|
beforeAll: this._environment.global.beforeAll,
|
|
beforeEach: this._environment.global.beforeEach,
|
|
describe: this._environment.global.describe,
|
|
expect: this._environment.global.expect,
|
|
fdescribe: this._environment.global.fdescribe,
|
|
fit: this._environment.global.fit,
|
|
it: this._environment.global.it,
|
|
test: this._environment.global.test,
|
|
xdescribe: this._environment.global.xdescribe,
|
|
xit: this._environment.global.xit,
|
|
xtest: this._environment.global.xtest
|
|
};
|
|
}
|
|
readFileBuffer(filename) {
|
|
let source = this._cacheFSBuffer.get(filename);
|
|
if (!source) {
|
|
source = fs().readFileSync(filename);
|
|
this._cacheFSBuffer.set(filename, source);
|
|
}
|
|
return source;
|
|
}
|
|
readFile(filename) {
|
|
let source = this._cacheFS.get(filename);
|
|
if (!source) {
|
|
const buffer = this.readFileBuffer(filename);
|
|
source = buffer.toString('utf8');
|
|
this._cacheFS.set(filename, source);
|
|
}
|
|
return source;
|
|
}
|
|
setGlobalsForRuntime(globals) {
|
|
this.jestGlobals = globals;
|
|
}
|
|
}
|
|
exports.default = Runtime;
|
|
function invariant(condition, message) {
|
|
if (!condition) {
|
|
throw new Error(message);
|
|
}
|
|
}
|
|
function notEmpty(value) {
|
|
return value !== null && value !== undefined;
|
|
}
|
|
async function evaluateSyntheticModule(module) {
|
|
await module.link(() => {
|
|
throw new Error('This should never happen');
|
|
});
|
|
await module.evaluate();
|
|
return module;
|
|
}
|