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- 'use strict';
- function _path() {
- const data = _interopRequireDefault(require('path'));
- _path = function _path() {
- return data;
- };
- return data;
- }
- function _realpathNative() {
- const data = require('realpath-native');
- _realpathNative = function _realpathNative() {
- return data;
- };
- return data;
- }
- function _chalk() {
- const data = _interopRequireDefault(require('chalk'));
- _chalk = function _chalk() {
- return data;
- };
- return data;
- }
- var _nodeModulesPaths = _interopRequireDefault(require('./nodeModulesPaths'));
- var _isBuiltinModule = _interopRequireDefault(require('./isBuiltinModule'));
- var _defaultResolver = _interopRequireWildcard(require('./defaultResolver'));
- function _interopRequireWildcard(obj) {
- if (obj && obj.__esModule) {
- return obj;
- } else {
- var newObj = {};
- if (obj != null) {
- for (var key in obj) {
- if (Object.prototype.hasOwnProperty.call(obj, key)) {
- var desc =
- Object.defineProperty && Object.getOwnPropertyDescriptor
- ? Object.getOwnPropertyDescriptor(obj, key)
- : {};
- if (desc.get || desc.set) {
- Object.defineProperty(newObj, key, desc);
- } else {
- newObj[key] = obj[key];
- }
- }
- }
- }
- newObj.default = obj;
- return newObj;
- }
- }
- function _interopRequireDefault(obj) {
- return obj && obj.__esModule ? obj : {default: obj};
- }
- function _defineProperty(obj, key, value) {
- if (key in obj) {
- Object.defineProperty(obj, key, {
- value: value,
- enumerable: true,
- configurable: true,
- writable: true
- });
- } else {
- obj[key] = value;
- }
- return obj;
- }
- const NATIVE_PLATFORM = 'native'; // We might be inside a symlink.
- const cwd = process.cwd();
- const resolvedCwd = (0, _realpathNative().sync)(cwd) || cwd;
- const NODE_PATH = process.env.NODE_PATH;
- const nodePaths = NODE_PATH
- ? NODE_PATH.split(_path().default.delimiter)
- .filter(Boolean) // The resolver expects absolute paths.
- .map(p => _path().default.resolve(resolvedCwd, p))
- : undefined;
- /* eslint-disable-next-line no-redeclare */
- class Resolver {
- constructor(moduleMap, options) {
- _defineProperty(this, '_options', void 0);
- _defineProperty(this, '_moduleMap', void 0);
- _defineProperty(this, '_moduleIDCache', void 0);
- _defineProperty(this, '_moduleNameCache', void 0);
- _defineProperty(this, '_modulePathCache', void 0);
- _defineProperty(this, '_supportsNativePlatform', void 0);
- this._options = {
- browser: options.browser,
- 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 clearDefaultResolverCache() {
- (0, _defaultResolver.clearDefaultResolverCache)();
- }
- static findNodeModule(path, options) {
- const resolver = options.resolver
- ? require(options.resolver)
- : _defaultResolver.default;
- const paths = options.paths;
- try {
- return resolver(path, {
- basedir: options.basedir,
- browser: options.browser,
- defaultResolver: _defaultResolver.default,
- extensions: options.extensions,
- moduleDirectory: options.moduleDirectory,
- paths: paths ? (nodePaths || []).concat(paths) : nodePaths,
- rootDir: options.rootDir
- });
- } catch (e) {}
- return null;
- }
- resolveModuleFromDirIfExists(dirname, moduleName, options) {
- const paths = (options && options.paths) || this._options.modulePaths;
- const moduleDirectory = this._options.moduleDirectories;
- const key = dirname + _path().default.delimiter + moduleName;
- const defaultPlatform = this._options.defaultPlatform;
- const extensions = this._options.extensions.slice();
- let module;
- if (this._supportsNativePlatform) {
- extensions.unshift(
- ...this._options.extensions.map(ext => '.' + NATIVE_PLATFORM + ext)
- );
- }
- if (defaultPlatform) {
- extensions.unshift(
- ...this._options.extensions.map(ext => '.' + defaultPlatform + ext)
- );
- } // 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 skipResolution =
- options &&
- options.skipNodeResolution &&
- !moduleName.includes(_path().default.sep);
- const resolveNodeModule = name =>
- Resolver.findNodeModule(name, {
- basedir: dirname,
- browser: this._options.browser,
- extensions,
- moduleDirectory,
- paths,
- resolver: this._options.resolver,
- rootDir: this._options.rootDir
- });
- if (!skipResolution) {
- module = resolveNodeModule(moduleName);
- 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.
- const parts = moduleName.split('/');
- const hastePackage = this.getPackage(parts.shift());
- if (hastePackage) {
- try {
- const module = _path().default.join.apply(
- _path().default,
- [_path().default.dirname(hastePackage)].concat(parts)
- ); // try resolving with custom resolver first to support extensions,
- // then fallback to require.resolve
- const resolvedModule =
- resolveNodeModule(module) || require.resolve(module);
- this._moduleNameCache.set(key, resolvedModule);
- return resolvedModule;
- } catch (ignoredError) {}
- }
- return null;
- }
- resolveModule(from, moduleName, options) {
- const dirname = _path().default.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.
- const relativePath = _path().default.relative(dirname, from);
- const err = new Error(
- `Cannot find module '${moduleName}' from '${relativePath || '.'}'`
- );
- err.code = 'MODULE_NOT_FOUND';
- throw err;
- }
- isCoreModule(moduleName) {
- return (
- this._options.hasCoreModules && (0, _isBuiltinModule.default)(moduleName)
- );
- }
- getModule(name) {
- return this._moduleMap.getModule(
- name,
- this._options.defaultPlatform,
- this._supportsNativePlatform
- );
- }
- getModulePath(from, moduleName) {
- if (moduleName[0] !== '.' || _path().default.isAbsolute(moduleName)) {
- return moduleName;
- }
- return _path().default.normalize(
- _path().default.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;
- }
- 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;
- }
- getModuleID(virtualMocks, from, _moduleName) {
- const moduleName = _moduleName || '';
- const key = from + _path().default.delimiter + moduleName;
- const cachedModuleID = this._moduleIDCache.get(key);
- if (cachedModuleID) {
- return cachedModuleID;
- }
- const moduleType = this._getModuleType(moduleName);
- const absolutePath = this._getAbsolutePath(virtualMocks, from, moduleName);
- const mockPath = this._getMockPath(from, moduleName);
- const sep = _path().default.delimiter;
- const id =
- moduleType +
- sep +
- (absolutePath ? absolutePath + sep : '') +
- (mockPath ? mockPath + sep : '');
- this._moduleIDCache.set(key, id);
- return id;
- }
- _getModuleType(moduleName) {
- return this.isCoreModule(moduleName) ? 'node' : 'user';
- }
- _getAbsolutePath(virtualMocks, from, moduleName) {
- if (this.isCoreModule(moduleName)) {
- return moduleName;
- }
- return this._isModuleResolved(from, moduleName)
- ? this.getModule(moduleName)
- : this._getVirtualMockPath(virtualMocks, from, moduleName);
- }
- _getMockPath(from, moduleName) {
- return !this.isCoreModule(moduleName)
- ? this.getMockModule(from, moduleName)
- : null;
- }
- _getVirtualMockPath(virtualMocks, from, moduleName) {
- const virtualMockPath = this.getModulePath(from, moduleName);
- return virtualMocks[virtualMockPath]
- ? virtualMockPath
- : moduleName
- ? this.resolveModule(from, moduleName)
- : from;
- }
- _isModuleResolved(from, moduleName) {
- return !!(
- this.getModule(moduleName) || this.getMockModule(from, moduleName)
- );
- }
- resolveStubModuleName(from, moduleName) {
- const dirname = _path().default.dirname(from);
- const paths = this._options.modulePaths;
- const extensions = this._options.extensions.slice();
- const moduleDirectory = this._options.moduleDirectories;
- const moduleNameMapper = this._options.moduleNameMapper;
- const resolver = this._options.resolver;
- const defaultPlatform = this._options.defaultPlatform;
- if (this._supportsNativePlatform) {
- extensions.unshift(
- ...this._options.extensions.map(ext => '.' + NATIVE_PLATFORM + ext)
- );
- }
- if (defaultPlatform) {
- extensions.unshift(
- ...this._options.extensions.map(ext => '.' + defaultPlatform + ext)
- );
- }
- if (moduleNameMapper) {
- var _iteratorNormalCompletion = true;
- var _didIteratorError = false;
- var _iteratorError = undefined;
- try {
- for (
- var _iterator = moduleNameMapper[Symbol.iterator](), _step;
- !(_iteratorNormalCompletion = (_step = _iterator.next()).done);
- _iteratorNormalCompletion = true
- ) {
- const _step$value = _step.value,
- mappedModuleName = _step$value.moduleName,
- regex = _step$value.regex;
- if (regex.test(moduleName)) {
- // Note: once a moduleNameMapper matches the name, it must result
- // in a module, or else an error is thrown.
- const matches = moduleName.match(regex);
- const updatedName = matches
- ? mappedModuleName.replace(
- /\$([0-9]+)/g,
- (_, index) => matches[parseInt(index, 10)]
- )
- : mappedModuleName;
- const module =
- this.getModule(updatedName) ||
- Resolver.findNodeModule(updatedName, {
- basedir: dirname,
- browser: this._options.browser,
- extensions,
- moduleDirectory,
- paths,
- resolver,
- rootDir: this._options.rootDir
- });
- if (!module) {
- throw createNoMappedModuleFoundError(
- moduleName,
- updatedName,
- mappedModuleName,
- regex,
- resolver
- );
- }
- return module;
- }
- }
- } catch (err) {
- _didIteratorError = true;
- _iteratorError = err;
- } finally {
- try {
- if (!_iteratorNormalCompletion && _iterator.return != null) {
- _iterator.return();
- }
- } finally {
- if (_didIteratorError) {
- throw _iteratorError;
- }
- }
- }
- }
- return null;
- }
- }
- const createNoMappedModuleFoundError = (
- moduleName,
- updatedName,
- mappedModuleName,
- regex,
- resolver
- ) => {
- const error = new Error(
- _chalk().default.red(`${_chalk().default.bold('Configuration error')}:
- Could not locate module ${_chalk().default.bold(moduleName)} mapped as:
- ${_chalk().default.bold(updatedName)}.
- Please check your configuration for these entries:
- {
- "moduleNameMapper": {
- "${regex.toString()}": "${_chalk().default.bold(mappedModuleName)}"
- },
- "resolver": ${_chalk().default.bold(String(resolver))}
- }`)
- );
- error.name = '';
- return error;
- };
- module.exports = Resolver;
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