Sindbad~EG File Manager
'use strict';
Object.defineProperty(exports, '__esModule', {
value: true
});
exports.default = void 0;
function _module() {
const data = _interopRequireDefault(require('module'));
_module = function () {
return data;
};
return data;
}
function path() {
const data = _interopRequireWildcard(require('path'));
path = function () {
return data;
};
return data;
}
function _url() {
const data = require('url');
_url = function () {
return data;
};
return data;
}
function _vm() {
const data = require('vm');
_vm = function () {
return data;
};
return data;
}
function _cjsModuleLexer() {
const data = require('cjs-module-lexer');
_cjsModuleLexer = function () {
return data;
};
return data;
}
function _collectV8Coverage() {
const data = require('collect-v8-coverage');
_collectV8Coverage = function () {
return data;
};
return data;
}
function fs() {
const data = _interopRequireWildcard(require('graceful-fs'));
fs = function () {
return data;
};
return data;
}
function _slash() {
const data = _interopRequireDefault(require('slash'));
_slash = function () {
return data;
};
return data;
}
function _stripBom() {
const data = _interopRequireDefault(require('strip-bom'));
_stripBom = function () {
return data;
};
return data;
}
function _transform() {
const data = require('@jest/transform');
_transform = function () {
return data;
};
return data;
}
function _jestHasteMap() {
const data = _interopRequireDefault(require('jest-haste-map'));
_jestHasteMap = function () {
return data;
};
return data;
}
function _jestMessageUtil() {
const data = require('jest-message-util');
_jestMessageUtil = function () {
return data;
};
return data;
}
function _jestRegexUtil() {
const data = require('jest-regex-util');
_jestRegexUtil = function () {
return data;
};
return data;
}
function _jestResolve() {
const data = _interopRequireDefault(require('jest-resolve'));
_jestResolve = function () {
return data;
};
return data;
}
function _jestSnapshot() {
const data = require('jest-snapshot');
_jestSnapshot = function () {
return data;
};
return data;
}
function _jestUtil() {
const data = require('jest-util');
_jestUtil = function () {
return data;
};
return data;
}
var _helpers = require('./helpers');
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;
}
function _interopRequireDefault(obj) {
return obj && obj.__esModule ? obj : {default: obj};
}
/**
* Copyright (c) Meta Platforms, Inc. and affiliates.
*
* This source code is licensed under the MIT license found in the
* LICENSE file in the root directory of this source tree.
*/
const esmIsAvailable = typeof _vm().SourceTextModule === 'function';
const dataURIRegex =
/^data:(?<mime>text\/javascript|application\/json|application\/wasm)(?:;(?<encoding>charset=utf-8|base64))?,(?<code>.*)$/;
const defaultTransformOptions = {
isInternalModule: false,
supportsDynamicImport: esmIsAvailable,
supportsExportNamespaceFrom: false,
supportsStaticESM: false,
supportsTopLevelAwait: false
};
// These are modules that we know
// * are safe to require from the outside (not stateful, not prone to errors passing in instances from different realms), and
// * take sufficiently long to require to warrant an optimization.
// When required from the outside, they use the worker's require cache and are thus
// only loaded once per worker, not once per test file.
// Use /benchmarks/test-file-overhead to measure the impact.
// Note that this only applies when they are required in an internal context;
// users who require one of these modules in their tests will still get the module from inside the VM.
// Prefer listing a module here only if it is impractical to use the jest-resolve-outside-vm-option where it is required,
// e.g. because there are many require sites spread across the dependency graph.
const INTERNAL_MODULE_REQUIRE_OUTSIDE_OPTIMIZED_MODULES = new Set(['chalk']);
const JEST_RESOLVE_OUTSIDE_VM_OPTION = Symbol.for(
'jest-resolve-outside-vm-option'
);
const testTimeoutSymbol = Symbol.for('TEST_TIMEOUT_SYMBOL');
const retryTimesSymbol = Symbol.for('RETRY_TIMES');
const logErrorsBeforeRetrySymbol = Symbol.for('LOG_ERRORS_BEFORE_RETRY');
const NODE_MODULES = `${path().sep}node_modules${path().sep}`;
const getModuleNameMapper = config => {
if (
Array.isArray(config.moduleNameMapper) &&
config.moduleNameMapper.length
) {
return config.moduleNameMapper.map(([regex, moduleName]) => ({
moduleName,
regex: new RegExp(regex)
}));
}
return null;
};
const isWasm = modulePath => modulePath.endsWith('.wasm');
const unmockRegExpCache = new WeakMap();
const EVAL_RESULT_VARIABLE = 'Object.<anonymous>';
const runtimeSupportsVmModules = typeof _vm().SyntheticModule === 'function';
const supportsNodeColonModulePrefixInRequire = (() => {
try {
require('node:fs');
return true;
} catch {
return false;
}
})();
class Runtime {
_cacheFS;
_cacheFSBuffer = new Map();
_config;
_globalConfig;
_coverageOptions;
_currentlyExecutingModulePath;
_environment;
_explicitShouldMock;
_explicitShouldMockModule;
_fakeTimersImplementation;
_internalModuleRegistry;
_isCurrentlyExecutingManualMock;
_mainModule;
_mockFactories;
_mockMetaDataCache;
_mockRegistry;
_isolatedMockRegistry;
_moduleMockRegistry;
_moduleMockFactories;
_moduleMocker;
_isolatedModuleRegistry;
_moduleRegistry;
_esmoduleRegistry;
_cjsNamedExports;
_esmModuleLinkingMap;
_testPath;
_resolver;
_shouldAutoMock;
_shouldMockModuleCache;
_shouldUnmockTransitiveDependenciesCache;
_sourceMapRegistry;
_scriptTransformer;
_fileTransforms;
_fileTransformsMutex;
_v8CoverageInstrumenter;
_v8CoverageResult;
_v8CoverageSources;
_transitiveShouldMock;
_unmockList;
_virtualMocks;
_virtualModuleMocks;
_moduleImplementation;
jestObjectCaches;
jestGlobals;
esmConditions;
cjsConditions;
isTornDown = false;
constructor(
config,
environment,
resolver,
transformer,
cacheFS,
coverageOptions,
testPath,
// TODO: make mandatory in Jest 30
globalConfig
) {
this._cacheFS = cacheFS;
this._config = config;
this._coverageOptions = coverageOptions;
this._currentlyExecutingModulePath = '';
this._environment = environment;
this._globalConfig = globalConfig;
this._explicitShouldMock = new Map();
this._explicitShouldMockModule = new Map();
this._internalModuleRegistry = new Map();
this._isCurrentlyExecutingManualMock = null;
this._mainModule = null;
this._mockFactories = new Map();
this._mockRegistry = new Map();
this._moduleMockRegistry = new Map();
this._moduleMockFactories = new Map();
(0, _jestUtil().invariant)(
this._environment.moduleMocker,
'`moduleMocker` must be set on an environment when created'
);
this._moduleMocker = this._environment.moduleMocker;
this._isolatedModuleRegistry = null;
this._isolatedMockRegistry = null;
this._moduleRegistry = new Map();
this._esmoduleRegistry = new Map();
this._cjsNamedExports = new Map();
this._esmModuleLinkingMap = new WeakMap();
this._testPath = testPath;
this._resolver = resolver;
this._scriptTransformer = transformer;
this._shouldAutoMock = config.automock;
this._sourceMapRegistry = new Map();
this._fileTransforms = new Map();
this._fileTransformsMutex = new Map();
this._virtualMocks = new Map();
this._virtualModuleMocks = new Map();
this.jestObjectCaches = new Map();
this._mockMetaDataCache = new Map();
this._shouldMockModuleCache = new Map();
this._shouldUnmockTransitiveDependenciesCache = new Map();
this._transitiveShouldMock = new Map();
this._fakeTimersImplementation = config.fakeTimers.legacyFakeTimers
? this._environment.fakeTimers
: this._environment.fakeTimersModern;
this._unmockList = unmockRegExpCache.get(config);
if (!this._unmockList && config.unmockedModulePathPatterns) {
this._unmockList = new RegExp(
config.unmockedModulePathPatterns.join('|')
);
unmockRegExpCache.set(config, this._unmockList);
}
const envExportConditions = this._environment.exportConditions?.() ?? [];
this.esmConditions = Array.from(
new Set(['import', 'default', ...envExportConditions])
);
this.cjsConditions = Array.from(
new Set(['require', 'default', ...envExportConditions])
);
if (config.automock) {
config.setupFiles.forEach(filePath => {
if (filePath.includes(NODE_MODULES)) {
const moduleID = this._resolver.getModuleID(
this._virtualMocks,
filePath,
undefined,
// shouldn't really matter, but in theory this will make sure the caching is correct
{
conditions: this.unstable_shouldLoadAsEsm(filePath)
? this.esmConditions
: this.cjsConditions
}
);
this._transitiveShouldMock.set(moduleID, false);
}
});
}
this.resetModules();
}
static shouldInstrument = _transform().shouldInstrument;
static async createContext(config, options) {
(0, _jestUtil().createDirectory)(config.cacheDirectory);
const instance = await Runtime.createHasteMap(config, {
console: options.console,
maxWorkers: options.maxWorkers,
resetCache: !config.cache,
watch: options.watch,
watchman: options.watchman
});
const hasteMap = await instance.build();
return {
config,
hasteFS: hasteMap.hasteFS,
moduleMap: hasteMap.moduleMap,
resolver: Runtime.createResolver(config, hasteMap.moduleMap)
};
}
static createHasteMap(config, options) {
const ignorePatternParts = [
...config.modulePathIgnorePatterns,
...(options && options.watch ? config.watchPathIgnorePatterns : []),
config.cacheDirectory.startsWith(config.rootDir + path().sep) &&
config.cacheDirectory
].filter(Boolean);
const ignorePattern =
ignorePatternParts.length > 0
? new RegExp(ignorePatternParts.join('|'))
: undefined;
return _jestHasteMap().default.create({
cacheDirectory: config.cacheDirectory,
computeSha1: config.haste.computeSha1,
console: options?.console,
dependencyExtractor: config.dependencyExtractor,
enableSymlinks: config.haste.enableSymlinks,
extensions: [_jestSnapshot().EXTENSION].concat(
config.moduleFileExtensions
),
forceNodeFilesystemAPI: config.haste.forceNodeFilesystemAPI,
hasteImplModulePath: config.haste.hasteImplModulePath,
hasteMapModulePath: config.haste.hasteMapModulePath,
id: config.id,
ignorePattern,
maxWorkers: options?.maxWorkers || 1,
mocksPattern: (0, _jestRegexUtil().escapePathForRegex)(
`${path().sep}__mocks__${path().sep}`
),
platforms: config.haste.platforms || ['ios', 'android'],
resetCache: options?.resetCache,
retainAllFiles: config.haste.retainAllFiles || false,
rootDir: config.rootDir,
roots: config.roots,
throwOnModuleCollision: config.haste.throwOnModuleCollision,
useWatchman: options?.watchman,
watch: options?.watch,
workerThreads: options?.workerThreads
});
}
static createResolver(config, moduleMap) {
return new (_jestResolve().default)(moduleMap, {
defaultPlatform: config.haste.defaultPlatform,
extensions: config.moduleFileExtensions.map(extension => `.${extension}`),
hasCoreModules: true,
moduleDirectories: config.moduleDirectories,
moduleNameMapper: getModuleNameMapper(config),
modulePaths: config.modulePaths,
platforms: config.haste.platforms,
resolver: config.resolver,
rootDir: config.rootDir
});
}
static async runCLI() {
throw new Error('The jest-runtime CLI has been moved into jest-repl');
}
static getCLIOptions() {
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
)
);
}
async loadEsmModule(modulePath, query = '') {
const cacheKey = modulePath + query;
const registry = this._isolatedModuleRegistry
? this._isolatedModuleRegistry
: this._esmoduleRegistry;
if (this._fileTransformsMutex.has(cacheKey)) {
await this._fileTransformsMutex.get(cacheKey);
}
if (!registry.has(cacheKey)) {
(0, _jestUtil().invariant)(
typeof this._environment.getVmContext === 'function',
'ES Modules are only supported if your test environment has the `getVmContext` function'
);
const context = this._environment.getVmContext();
(0, _jestUtil().invariant)(
context,
'Test environment has been torn down'
);
let transformResolve;
let transformReject;
this._fileTransformsMutex.set(
cacheKey,
new Promise((resolve, reject) => {
transformResolve = resolve;
transformReject = reject;
})
);
(0, _jestUtil().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
);
registry.set(cacheKey, wasm);
transformResolve();
return wasm;
}
if (this._resolver.isCoreModule(modulePath)) {
const core = this._importCoreModule(modulePath, context);
registry.set(cacheKey, core);
transformResolve();
return core;
}
const transformedCode = await this.transformFileAsync(modulePath, {
isInternalModule: false,
supportsDynamicImport: true,
supportsExportNamespaceFrom: true,
supportsStaticESM: true,
supportsTopLevelAwait: true
});
try {
let module;
if (modulePath.endsWith('.json')) {
module = new (_vm().SyntheticModule)(
['default'],
function () {
const obj = JSON.parse(transformedCode);
// @ts-expect-error: TS doesn't know what `this` is
this.setExport('default', obj);
},
{
context,
identifier: modulePath
}
);
} else {
module = new (_vm().SourceTextModule)(transformedCode, {
context,
identifier: modulePath,
importModuleDynamically: async (specifier, referencingModule) => {
(0, _jestUtil().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;
}
});
}
(0, _jestUtil().invariant)(
!registry.has(cacheKey),
`Module cache already has entry ${cacheKey}. This is a bug in Jest, please report it!`
);
registry.set(cacheKey, module);
transformResolve();
} catch (error) {
transformReject(error);
throw error;
}
}
const module = registry.get(cacheKey);
(0, _jestUtil().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;
}
const registry = this._isolatedModuleRegistry
? this._isolatedModuleRegistry
: this._esmoduleRegistry;
if (specifier === '@jest/globals') {
const fromCache = registry.get('@jest/globals');
if (fromCache) {
return fromCache;
}
const globals = this.getGlobalsForEsm(referencingIdentifier, context);
registry.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 = registry.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) => {
(0, _jestUtil().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;
}
});
}
}
registry.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 (
// json files are modules when imported in modules
resolved.endsWith('.json') ||
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) {
(0, _jestUtil().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 => {
if (this._resolver.isCoreModule(reexport)) {
const exports = this.requireModule(modulePath, reexport);
if (exports !== null && typeof exports === 'object') {
Object.keys(exports).forEach(namedExports.add, namedExports);
}
} else {
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,
moduleName
);
}
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 or isolateModulesAsync.'
);
}
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;
}
}
async isolateModulesAsync(fn) {
if (this._isolatedModuleRegistry || this._isolatedMockRegistry) {
throw new Error(
'isolateModulesAsync cannot be nested inside another isolateModulesAsync or isolateModules.'
);
}
this._isolatedModuleRegistry = new Map();
this._isolatedMockRegistry = new Map();
try {
await 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') &&
'_isMockFunction' in globalMock &&
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) &&
(0, _transform().shouldInstrument)(
res.url,
this._coverageOptions,
this._config,
/* loadedFilenames */ Array.from(this._v8CoverageSources.keys())
)
)
.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.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) {
const fromDir = path().resolve(from, '..');
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 [fromDir];
}
if (this._resolver.isCoreModule(moduleName)) {
return null;
}
const modulePaths = this._resolver.getModulePaths(fromDir);
const globalPaths = this._resolver.getGlobalPaths(moduleName);
return [...modulePaths, ...globalPaths];
}
_execModule(localModule, options, moduleRegistry, from, moduleName) {
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;
}
});
const modulePaths = this._resolver.getModulePaths(module.path);
const globalPaths = this._resolver.getGlobalPaths(moduleName);
module.paths = [...modulePaths, ...globalPaths];
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(_jestUtil().isNonNullable)
);
} 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;
}
const 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;
}
const transformedFile = await this._scriptTransformer.transformAsync(
filename,
this._getFullTransformationOptions(options),
source
);
if (this._fileTransforms.get(filename)?.code !== transformedFile.code) {
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-${filename}`
: filename;
return new (_vm().Script)(this.wrapCodeInModuleWrapper(scriptSource), {
columnOffset: this._fileTransforms.get(filename)?.wrapperLength,
displayErrors: true,
filename: scriptFilename,
// @ts-expect-error: Experimental ESM API
importModuleDynamically: async specifier => {
(0, _jestUtil().invariant)(
runtimeSupportsVmModules,
'You need to run with a version of node that supports ES Modules in the VM API. See https://jestjs.io/docs/ecmascript-modules'
);
const context = this._environment.getVmContext?.();
(0, _jestUtil().invariant)(
context,
'Test environment has been torn down'
);
const module = await this.resolveModule(
specifier,
scriptFilename,
context
);
return this.linkAndEvaluateModule(module);
}
});
} catch (e) {
throw (0, _transform().handlePotentialSyntaxError)(e);
}
}
_requireCoreModule(moduleName, supportPrefix) {
const moduleWithoutNodePrefix =
supportPrefix && moduleName.startsWith('node:')
? moduleName.slice('node:'.length)
: moduleName;
if (moduleWithoutNodePrefix === 'process') {
return this._environment.global.process;
}
if (moduleWithoutNodePrefix === 'module') {
return this._getMockedNativeModule();
}
return require(moduleName);
}
_importCoreModule(moduleName, context) {
const required = this._requireCoreModule(moduleName, true);
const module = new (_vm().SyntheticModule)(
['default', ...Object.keys(required)],
function () {
// @ts-expect-error: TS doesn't know what `this` is
this.setExport('default', required);
Object.entries(required).forEach(([key, value]) => {
// @ts-expect-error: TS doesn't know what `this` is
this.setExport(key, value);
});
},
// should identifier be `node://${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) {
const resolvedModule = await this.resolveModule(
module,
identifier,
context
);
moduleLookup[module] = await this.linkAndEvaluateModule(resolvedModule);
}
}
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 isolateModulesAsync = fn => {
return this.isolateModulesAsync(fn);
};
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 replaceProperty =
typeof this._moduleMocker.replaceProperty === 'function'
? this._moduleMocker.replaceProperty.bind(this._moduleMocker)
: () => {
throw new Error(
'Your test environment does not support `jest.replaceProperty` - please ensure its Jest dependencies are updated to version 29.4 or later'
);
};
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),
advanceTimersByTimeAsync: async msToRun => {
const fakeTimers = _getFakeTimers();
if (fakeTimers === this._environment.fakeTimersModern) {
// TODO: remove this check in Jest 30
if (typeof fakeTimers.advanceTimersByTimeAsync !== 'function') {
throw new TypeError(
'Your test environment does not support async fake timers - please ensure its Jest dependencies are updated to version 29.5 or later'
);
}
await fakeTimers.advanceTimersByTimeAsync(msToRun);
} else {
throw new TypeError(
'`jest.advanceTimersByTimeAsync()` is not available when using legacy fake timers.'
);
}
},
advanceTimersToNextTimer: steps =>
_getFakeTimers().advanceTimersToNextTimer(steps),
advanceTimersToNextTimerAsync: async steps => {
const fakeTimers = _getFakeTimers();
if (fakeTimers === this._environment.fakeTimersModern) {
// TODO: remove this check in Jest 30
if (typeof fakeTimers.advanceTimersToNextTimerAsync !== 'function') {
throw new TypeError(
'Your test environment does not support async fake timers - please ensure its Jest dependencies are updated to version 29.5 or later'
);
}
await fakeTimers.advanceTimersToNextTimerAsync(steps);
} else {
throw new TypeError(
'`jest.advanceTimersToNextTimerAsync()` is not available when using legacy fake timers.'
);
}
},
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(),
isEnvironmentTornDown: () => this.isTornDown,
isMockFunction: this._moduleMocker.isMockFunction,
isolateModules,
isolateModulesAsync,
mock,
mocked,
now: () => _getFakeTimers().now(),
replaceProperty,
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(),
runAllTimersAsync: async () => {
const fakeTimers = _getFakeTimers();
if (fakeTimers === this._environment.fakeTimersModern) {
// TODO: remove this check in Jest 30
if (typeof fakeTimers.runAllTimersAsync !== 'function') {
throw new TypeError(
'Your test environment does not support async fake timers - please ensure its Jest dependencies are updated to version 29.5 or later'
);
}
await fakeTimers.runAllTimersAsync();
} else {
throw new TypeError(
'`jest.runAllTimersAsync()` is not available when using legacy fake timers.'
);
}
},
runOnlyPendingTimers: () => _getFakeTimers().runOnlyPendingTimers(),
runOnlyPendingTimersAsync: async () => {
const fakeTimers = _getFakeTimers();
if (fakeTimers === this._environment.fakeTimersModern) {
// TODO: remove this check in Jest 30
if (typeof fakeTimers.runOnlyPendingTimersAsync !== 'function') {
throw new TypeError(
'Your test environment does not support async fake timers - please ensure its Jest dependencies are updated to version 29.5 or later'
);
}
await fakeTimers.runOnlyPendingTimersAsync();
} else {
throw new TypeError(
'`jest.runOnlyPendingTimersAsync()` is not available when using legacy fake timers.'
);
}
},
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(_jestUtil().isNonNullable);
}
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);
(0, _jestUtil().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;
async function evaluateSyntheticModule(module) {
await module.link(() => {
throw new Error('This should never happen');
});
await module.evaluate();
return module;
}
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