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'use strict';
Object.defineProperty(exports, '__esModule', {
value: true
});
exports.default = void 0;
function path() {
const data = _interopRequireWildcard(require('path'));
path = function () {
return data;
};
return data;
}
function _chalk() {
const data = _interopRequireDefault(require('chalk'));
_chalk = function () {
return data;
};
return data;
}
function _slash() {
const data = _interopRequireDefault(require('slash'));
_slash = function () {
return data;
};
return data;
}
function _jestUtil() {
const data = require('jest-util');
_jestUtil = function () {
return data;
};
return data;
}
var _ModuleNotFoundError = _interopRequireDefault(
require('./ModuleNotFoundError')
);
var _defaultResolver = _interopRequireDefault(require('./defaultResolver'));
var _fileWalkers = require('./fileWalkers');
var _isBuiltinModule = _interopRequireDefault(require('./isBuiltinModule'));
var _nodeModulesPaths = _interopRequireWildcard(require('./nodeModulesPaths'));
var _shouldLoadAsEsm = _interopRequireWildcard(require('./shouldLoadAsEsm'));
function _interopRequireDefault(obj) {
return obj && obj.__esModule ? obj : {default: obj};
}
function _getRequireWildcardCache(nodeInterop) {
if (typeof WeakMap !== 'function') return null;
var cacheBabelInterop = new WeakMap();
var cacheNodeInterop = new WeakMap();
return (_getRequireWildcardCache = function (nodeInterop) {
return nodeInterop ? cacheNodeInterop : cacheBabelInterop;
})(nodeInterop);
}
function _interopRequireWildcard(obj, nodeInterop) {
if (!nodeInterop && obj && obj.__esModule) {
return obj;
}
if (obj === null || (typeof obj !== 'object' && typeof obj !== 'function')) {
return {default: obj};
}
var cache = _getRequireWildcardCache(nodeInterop);
if (cache && cache.has(obj)) {
return cache.get(obj);
}
var newObj = {};
var hasPropertyDescriptor =
Object.defineProperty && Object.getOwnPropertyDescriptor;
for (var key in obj) {
if (key !== 'default' && Object.prototype.hasOwnProperty.call(obj, key)) {
var desc = hasPropertyDescriptor
? Object.getOwnPropertyDescriptor(obj, key)
: null;
if (desc && (desc.get || desc.set)) {
Object.defineProperty(newObj, key, desc);
} else {
newObj[key] = obj[key];
}
}
}
newObj.default = obj;
if (cache) {
cache.set(obj, newObj);
}
return newObj;
}
/**
* Copyright (c) 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.
*/
/* eslint-disable local/prefer-spread-eventually */
const NATIVE_PLATFORM = 'native';
// We might be inside a symlink.
const resolvedCwd = (0, _jestUtil().tryRealpath)(process.cwd());
const {NODE_PATH} = process.env;
const nodePaths = NODE_PATH
? NODE_PATH.split(path().delimiter)
.filter(Boolean)
// The resolver expects absolute paths.
.map(p => path().resolve(resolvedCwd, p))
: undefined;
class Resolver {
_options;
_moduleMap;
_moduleIDCache;
_moduleNameCache;
_modulePathCache;
_supportsNativePlatform;
constructor(moduleMap, options) {
this._options = {
defaultPlatform: options.defaultPlatform,
extensions: options.extensions,
hasCoreModules:
options.hasCoreModules === undefined ? true : options.hasCoreModules,
moduleDirectories: options.moduleDirectories || ['node_modules'],
moduleNameMapper: options.moduleNameMapper,
modulePaths: options.modulePaths,
platforms: options.platforms,
resolver: options.resolver,
rootDir: options.rootDir
};
this._supportsNativePlatform = options.platforms
? options.platforms.includes(NATIVE_PLATFORM)
: false;
this._moduleMap = moduleMap;
this._moduleIDCache = new Map();
this._moduleNameCache = new Map();
this._modulePathCache = new Map();
}
static ModuleNotFoundError = _ModuleNotFoundError.default;
static tryCastModuleNotFoundError(error) {
if (error instanceof _ModuleNotFoundError.default) {
return error;
}
const casted = error;
if (casted.code === 'MODULE_NOT_FOUND') {
return _ModuleNotFoundError.default.duckType(casted);
}
return null;
}
static clearDefaultResolverCache() {
(0, _fileWalkers.clearFsCache)();
(0, _shouldLoadAsEsm.clearCachedLookups)();
}
static findNodeModule(path, options) {
const resolverModule = loadResolver(options.resolver);
let resolver = _defaultResolver.default;
if (typeof resolverModule === 'function') {
resolver = resolverModule;
} else if (typeof resolverModule.sync === 'function') {
resolver = resolverModule.sync;
}
const paths = options.paths;
try {
return resolver(path, {
basedir: options.basedir,
conditions: options.conditions,
defaultResolver: _defaultResolver.default,
extensions: options.extensions,
moduleDirectory: options.moduleDirectory,
paths: paths ? (nodePaths || []).concat(paths) : nodePaths,
rootDir: options.rootDir
});
} catch (e) {
// we always wanna throw if it's an internal import
if (options.throwIfNotFound || path.startsWith('#')) {
throw e;
}
}
return null;
}
static async findNodeModuleAsync(path, options) {
const resolverModule = loadResolver(options.resolver);
let resolver = _defaultResolver.default;
if (typeof resolverModule === 'function') {
resolver = resolverModule;
} else if (
typeof resolverModule.async === 'function' ||
typeof resolverModule.sync === 'function'
) {
const asyncOrSync = resolverModule.async || resolverModule.sync;
if (asyncOrSync == null) {
throw new Error(`Unable to load resolver at ${options.resolver}`);
}
resolver = asyncOrSync;
}
const paths = options.paths;
try {
const result = await resolver(path, {
basedir: options.basedir,
conditions: options.conditions,
defaultResolver: _defaultResolver.default,
extensions: options.extensions,
moduleDirectory: options.moduleDirectory,
paths: paths ? (nodePaths || []).concat(paths) : nodePaths,
rootDir: options.rootDir
});
return result;
} catch (e) {
// we always wanna throw if it's an internal import
if (options.throwIfNotFound || path.startsWith('#')) {
throw e;
}
}
return null;
}
// unstable as it should be replaced by https://github.com/nodejs/modules/issues/393, and we don't want people to use it
static unstable_shouldLoadAsEsm = _shouldLoadAsEsm.default;
resolveModuleFromDirIfExists(dirname, moduleName, options) {
const {extensions, key, moduleDirectory, paths, skipResolution} =
this._prepareForResolution(dirname, moduleName, options);
let module;
// 1. If we have already resolved this module for this directory name,
// return a value from the cache.
const cacheResult = this._moduleNameCache.get(key);
if (cacheResult) {
return cacheResult;
}
// 2. Check if the module is a haste module.
module = this.getModule(moduleName);
if (module) {
this._moduleNameCache.set(key, module);
return module;
}
// 3. Check if the module is a node module and resolve it based on
// the node module resolution algorithm. If skipNodeResolution is given we
// ignore all modules that look like node modules (ie. are not relative
// requires). This enables us to speed up resolution when we build a
// dependency graph because we don't have to look at modules that may not
// exist and aren't mocked.
const resolveNodeModule = (name, throwIfNotFound = false) => {
// Only skip default resolver
if (this.isCoreModule(name) && !this._options.resolver) {
return name;
}
return Resolver.findNodeModule(name, {
basedir: dirname,
conditions: options?.conditions,
extensions,
moduleDirectory,
paths,
resolver: this._options.resolver,
rootDir: this._options.rootDir,
throwIfNotFound
});
};
if (!skipResolution) {
module = resolveNodeModule(moduleName, Boolean(process.versions.pnp));
if (module) {
this._moduleNameCache.set(key, module);
return module;
}
}
// 4. Resolve "haste packages" which are `package.json` files outside of
// `node_modules` folders anywhere in the file system.
try {
const hasteModulePath = this._getHasteModulePath(moduleName);
if (hasteModulePath) {
// try resolving with custom resolver first to support extensions,
// then fallback to require.resolve
const resolvedModule =
resolveNodeModule(hasteModulePath) ||
require.resolve(hasteModulePath);
this._moduleNameCache.set(key, resolvedModule);
return resolvedModule;
}
} catch {}
return null;
}
async resolveModuleFromDirIfExistsAsync(dirname, moduleName, options) {
const {extensions, key, moduleDirectory, paths, skipResolution} =
this._prepareForResolution(dirname, moduleName, options);
let module;
// 1. If we have already resolved this module for this directory name,
// return a value from the cache.
const cacheResult = this._moduleNameCache.get(key);
if (cacheResult) {
return cacheResult;
}
// 2. Check if the module is a haste module.
module = this.getModule(moduleName);
if (module) {
this._moduleNameCache.set(key, module);
return module;
}
// 3. Check if the module is a node module and resolve it based on
// the node module resolution algorithm. If skipNodeResolution is given we
// ignore all modules that look like node modules (ie. are not relative
// requires). This enables us to speed up resolution when we build a
// dependency graph because we don't have to look at modules that may not
// exist and aren't mocked.
const resolveNodeModule = async (name, throwIfNotFound = false) => {
// Only skip default resolver
if (this.isCoreModule(name) && !this._options.resolver) {
return name;
}
return Resolver.findNodeModuleAsync(name, {
basedir: dirname,
conditions: options?.conditions,
extensions,
moduleDirectory,
paths,
resolver: this._options.resolver,
rootDir: this._options.rootDir,
throwIfNotFound
});
};
if (!skipResolution) {
module = await resolveNodeModule(
moduleName,
Boolean(process.versions.pnp)
);
if (module) {
this._moduleNameCache.set(key, module);
return module;
}
}
// 4. Resolve "haste packages" which are `package.json` files outside of
// `node_modules` folders anywhere in the file system.
try {
const hasteModulePath = this._getHasteModulePath(moduleName);
if (hasteModulePath) {
// try resolving with custom resolver first to support extensions,
// then fallback to require.resolve
const resolvedModule =
(await resolveNodeModule(hasteModulePath)) ||
// QUESTION: should this be async?
require.resolve(hasteModulePath);
this._moduleNameCache.set(key, resolvedModule);
return resolvedModule;
}
} catch {}
return null;
}
resolveModule(from, moduleName, options) {
const dirname = path().dirname(from);
const module =
this.resolveStubModuleName(from, moduleName) ||
this.resolveModuleFromDirIfExists(dirname, moduleName, options);
if (module) return module;
// 5. Throw an error if the module could not be found. `resolve.sync` only
// produces an error based on the dirname but we have the actual current
// module name available.
this._throwModNotFoundError(from, moduleName);
}
async resolveModuleAsync(from, moduleName, options) {
const dirname = path().dirname(from);
const module =
(await this.resolveStubModuleNameAsync(from, moduleName)) ||
(await this.resolveModuleFromDirIfExistsAsync(
dirname,
moduleName,
options
));
if (module) return module;
// 5. Throw an error if the module could not be found. `resolve` only
// produces an error based on the dirname but we have the actual current
// module name available.
this._throwModNotFoundError(from, moduleName);
}
/**
* _prepareForResolution is shared between the sync and async module resolution
* methods, to try to keep them as DRY as possible.
*/
_prepareForResolution(dirname, moduleName, options) {
const paths = options?.paths || this._options.modulePaths;
const moduleDirectory = this._options.moduleDirectories;
const stringifiedOptions = options ? JSON.stringify(options) : '';
const key = dirname + path().delimiter + moduleName + stringifiedOptions;
const defaultPlatform = this._options.defaultPlatform;
const extensions = this._options.extensions.slice();
if (this._supportsNativePlatform) {
extensions.unshift(
...this._options.extensions.map(ext => `.${NATIVE_PLATFORM}${ext}`)
);
}
if (defaultPlatform) {
extensions.unshift(
...this._options.extensions.map(ext => `.${defaultPlatform}${ext}`)
);
}
const skipResolution =
options && options.skipNodeResolution && !moduleName.includes(path().sep);
return {
extensions,
key,
moduleDirectory,
paths,
skipResolution
};
}
/**
* _getHasteModulePath attempts to return the path to a haste module.
*/
_getHasteModulePath(moduleName) {
const parts = moduleName.split('/');
const hastePackage = this.getPackage(parts.shift());
if (hastePackage) {
return path().join.apply(
path(),
[path().dirname(hastePackage)].concat(parts)
);
}
return null;
}
_throwModNotFoundError(from, moduleName) {
const relativePath =
(0, _slash().default)(path().relative(this._options.rootDir, from)) ||
'.';
throw new _ModuleNotFoundError.default(
`Cannot find module '${moduleName}' from '${relativePath}'`,
moduleName
);
}
_getMapModuleName(matches) {
return matches
? moduleName =>
moduleName.replace(
/\$([0-9]+)/g,
(_, index) => matches[parseInt(index, 10)] || ''
)
: moduleName => moduleName;
}
_isAliasModule(moduleName) {
const moduleNameMapper = this._options.moduleNameMapper;
if (!moduleNameMapper) {
return false;
}
return moduleNameMapper.some(({regex}) => regex.test(moduleName));
}
isCoreModule(moduleName) {
return (
this._options.hasCoreModules &&
((0, _isBuiltinModule.default)(moduleName) ||
moduleName.startsWith('node:')) &&
!this._isAliasModule(moduleName)
);
}
getModule(name) {
return this._moduleMap.getModule(
name,
this._options.defaultPlatform,
this._supportsNativePlatform
);
}
getModulePath(from, moduleName) {
if (moduleName[0] !== '.' || path().isAbsolute(moduleName)) {
return moduleName;
}
return path().normalize(`${path().dirname(from)}/${moduleName}`);
}
getPackage(name) {
return this._moduleMap.getPackage(
name,
this._options.defaultPlatform,
this._supportsNativePlatform
);
}
getMockModule(from, name) {
const mock = this._moduleMap.getMockModule(name);
if (mock) {
return mock;
} else {
const moduleName = this.resolveStubModuleName(from, name);
if (moduleName) {
return this.getModule(moduleName) || moduleName;
}
}
return null;
}
async getMockModuleAsync(from, name) {
const mock = this._moduleMap.getMockModule(name);
if (mock) {
return mock;
} else {
const moduleName = await this.resolveStubModuleNameAsync(from, name);
if (moduleName) {
return this.getModule(moduleName) || moduleName;
}
}
return null;
}
getModulePaths(from) {
const cachedModule = this._modulePathCache.get(from);
if (cachedModule) {
return cachedModule;
}
const moduleDirectory = this._options.moduleDirectories;
const paths = (0, _nodeModulesPaths.default)(from, {
moduleDirectory
});
if (paths[paths.length - 1] === undefined) {
// circumvent node-resolve bug that adds `undefined` as last item.
paths.pop();
}
this._modulePathCache.set(from, paths);
return paths;
}
getGlobalPaths(moduleName) {
if (!moduleName || moduleName[0] === '.' || this.isCoreModule(moduleName)) {
return [];
}
return _nodeModulesPaths.GlobalPaths;
}
getModuleID(virtualMocks, from, moduleName = '', options) {
const stringifiedOptions = options ? JSON.stringify(options) : '';
const key = from + path().delimiter + moduleName + stringifiedOptions;
const cachedModuleID = this._moduleIDCache.get(key);
if (cachedModuleID) {
return cachedModuleID;
}
const moduleType = this._getModuleType(moduleName);
const absolutePath = this._getAbsolutePath(
virtualMocks,
from,
moduleName,
options
);
const mockPath = this._getMockPath(from, moduleName);
const sep = path().delimiter;
const id =
moduleType +
sep +
(absolutePath ? absolutePath + sep : '') +
(mockPath ? mockPath + sep : '') +
(stringifiedOptions ? stringifiedOptions + sep : '');
this._moduleIDCache.set(key, id);
return id;
}
async getModuleIDAsync(virtualMocks, from, moduleName = '', options) {
const stringifiedOptions = options ? JSON.stringify(options) : '';
const key = from + path().delimiter + moduleName + stringifiedOptions;
const cachedModuleID = this._moduleIDCache.get(key);
if (cachedModuleID) {
return cachedModuleID;
}
if (moduleName.startsWith('data:')) {
return moduleName;
}
const moduleType = this._getModuleType(moduleName);
const absolutePath = await this._getAbsolutePathAsync(
virtualMocks,
from,
moduleName,
options
);
const mockPath = await this._getMockPathAsync(from, moduleName);
const sep = path().delimiter;
const id =
moduleType +
sep +
(absolutePath ? absolutePath + sep : '') +
(mockPath ? mockPath + sep : '') +
(stringifiedOptions ? stringifiedOptions + sep : '');
this._moduleIDCache.set(key, id);
return id;
}
_getModuleType(moduleName) {
return this.isCoreModule(moduleName) ? 'node' : 'user';
}
_getAbsolutePath(virtualMocks, from, moduleName, options) {
if (this.isCoreModule(moduleName)) {
return moduleName;
}
if (moduleName.startsWith('data:')) {
return moduleName;
}
return this._isModuleResolved(from, moduleName)
? this.getModule(moduleName)
: this._getVirtualMockPath(virtualMocks, from, moduleName, options);
}
async _getAbsolutePathAsync(virtualMocks, from, moduleName, options) {
if (this.isCoreModule(moduleName)) {
return moduleName;
}
if (moduleName.startsWith('data:')) {
return moduleName;
}
const isModuleResolved = await this._isModuleResolvedAsync(
from,
moduleName
);
return isModuleResolved
? this.getModule(moduleName)
: this._getVirtualMockPathAsync(virtualMocks, from, moduleName, options);
}
_getMockPath(from, moduleName) {
return !this.isCoreModule(moduleName)
? this.getMockModule(from, moduleName)
: null;
}
async _getMockPathAsync(from, moduleName) {
return !this.isCoreModule(moduleName)
? this.getMockModuleAsync(from, moduleName)
: null;
}
_getVirtualMockPath(virtualMocks, from, moduleName, options) {
const virtualMockPath = this.getModulePath(from, moduleName);
return virtualMocks.get(virtualMockPath)
? virtualMockPath
: moduleName
? this.resolveModule(from, moduleName, options)
: from;
}
async _getVirtualMockPathAsync(virtualMocks, from, moduleName, options) {
const virtualMockPath = this.getModulePath(from, moduleName);
return virtualMocks.get(virtualMockPath)
? virtualMockPath
: moduleName
? this.resolveModuleAsync(from, moduleName, options)
: from;
}
_isModuleResolved(from, moduleName) {
return !!(
this.getModule(moduleName) || this.getMockModule(from, moduleName)
);
}
async _isModuleResolvedAsync(from, moduleName) {
return !!(
this.getModule(moduleName) ||
(await this.getMockModuleAsync(from, moduleName))
);
}
resolveStubModuleName(from, moduleName) {
const dirname = path().dirname(from);
const {extensions, moduleDirectory, paths} = this._prepareForResolution(
dirname,
moduleName
);
const moduleNameMapper = this._options.moduleNameMapper;
const resolver = this._options.resolver;
if (moduleNameMapper) {
for (const {moduleName: mappedModuleName, regex} of moduleNameMapper) {
if (regex.test(moduleName)) {
// Note: once a moduleNameMapper matches the name, it must result
// in a module, or else an error is thrown.
const matches = moduleName.match(regex);
const mapModuleName = this._getMapModuleName(matches);
const possibleModuleNames = Array.isArray(mappedModuleName)
? mappedModuleName
: [mappedModuleName];
let module = null;
for (const possibleModuleName of possibleModuleNames) {
const updatedName = mapModuleName(possibleModuleName);
module =
this.getModule(updatedName) ||
Resolver.findNodeModule(updatedName, {
basedir: dirname,
extensions,
moduleDirectory,
paths,
resolver,
rootDir: this._options.rootDir
});
if (module) {
break;
}
}
if (!module) {
throw createNoMappedModuleFoundError(
moduleName,
mapModuleName,
mappedModuleName,
regex,
resolver
);
}
return module;
}
}
}
return null;
}
async resolveStubModuleNameAsync(from, moduleName) {
const dirname = path().dirname(from);
const {extensions, moduleDirectory, paths} = this._prepareForResolution(
dirname,
moduleName
);
const moduleNameMapper = this._options.moduleNameMapper;
const resolver = this._options.resolver;
if (moduleNameMapper) {
for (const {moduleName: mappedModuleName, regex} of moduleNameMapper) {
if (regex.test(moduleName)) {
// Note: once a moduleNameMapper matches the name, it must result
// in a module, or else an error is thrown.
const matches = moduleName.match(regex);
const mapModuleName = this._getMapModuleName(matches);
const possibleModuleNames = Array.isArray(mappedModuleName)
? mappedModuleName
: [mappedModuleName];
let module = null;
for (const possibleModuleName of possibleModuleNames) {
const updatedName = mapModuleName(possibleModuleName);
module =
this.getModule(updatedName) ||
(await Resolver.findNodeModuleAsync(updatedName, {
basedir: dirname,
extensions,
moduleDirectory,
paths,
resolver,
rootDir: this._options.rootDir
}));
if (module) {
break;
}
}
if (!module) {
throw createNoMappedModuleFoundError(
moduleName,
mapModuleName,
mappedModuleName,
regex,
resolver
);
}
return module;
}
}
}
return null;
}
}
exports.default = Resolver;
const createNoMappedModuleFoundError = (
moduleName,
mapModuleName,
mappedModuleName,
regex,
resolver
) => {
const mappedAs = Array.isArray(mappedModuleName)
? JSON.stringify(mappedModuleName.map(mapModuleName), null, 2)
: mappedModuleName;
const original = Array.isArray(mappedModuleName)
? `${
JSON.stringify(mappedModuleName, null, 6) // using 6 because of misalignment when nested below
.slice(0, -1) + ' '.repeat(4)
}]` /// align last bracket correctly as well
: mappedModuleName;
const error = new Error(
_chalk().default.red(`${_chalk().default.bold('Configuration error')}:
Could not locate module ${_chalk().default.bold(moduleName)} mapped as:
${_chalk().default.bold(mappedAs)}.
Please check your configuration for these entries:
{
"moduleNameMapper": {
"${regex.toString()}": "${_chalk().default.bold(original)}"
},
"resolver": ${_chalk().default.bold(String(resolver))}
}`)
);
error.name = '';
return error;
};
function loadResolver(resolver) {
if (resolver == null) {
return _defaultResolver.default;
}
const loadedResolver = require(resolver);
if (loadedResolver == null) {
throw new Error(`Resolver located at ${resolver} does not export anything`);
}
if (typeof loadedResolver === 'function') {
return loadedResolver;
}
if (
typeof loadedResolver === 'object' &&
(loadedResolver.sync != null || loadedResolver.async != null)
) {
return loadedResolver;
}
throw new Error(
`Resolver located at ${resolver} does not export a function or an object with "sync" and "async" props`
);
}