'use strict';var _fs; function _load_fs() {return _fs = _interopRequireDefault(require('fs'));}var _path; function _load_path() {return _path = _interopRequireDefault(require('path'));}var _node_modules_paths; function _load_node_modules_paths() {return _node_modules_paths = _interopRequireDefault(require('./node_modules_paths'));}var _is_builtin_module; function _load_is_builtin_module() {return _is_builtin_module = _interopRequireDefault(require('./is_builtin_module'));}var _default_resolver; function _load_default_resolver() {return _default_resolver = _interopRequireDefault(require('./default_resolver.js'));}var _chalk; function _load_chalk() {return _chalk = _interopRequireDefault(require('chalk'));}function _interopRequireDefault(obj) {return obj && obj.__esModule ? obj : { default: obj };}function _toConsumableArray(arr) {if (Array.isArray(arr)) {for (var i = 0, arr2 = Array(arr.length); i < arr.length; i++) arr2[i] = arr[i];return arr2;} else {return Array.from(arr);}} /** * Copyright (c) 2014-present, Facebook, Inc. All rights reserved. * * This source code is licensed under the MIT license found in the * LICENSE file in the root directory of this source tree. * * */ const NATIVE_PLATFORM = 'native'; // We might be inside a symlink. const cwd = process.cwd(); const resolvedCwd = (_fs || _load_fs()).default.realpathSync(cwd) || cwd; const nodePaths = process.env.NODE_PATH ? process.env.NODE_PATH.split((_path || _load_path()).default.delimiter). filter(Boolean) // The resolver expects absolute paths. .map(p => (_path || _load_path()).default.resolve(resolvedCwd, p)) : null; class Resolver { constructor(moduleMap, options) { 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._moduleMap = moduleMap; this._moduleIDCache = Object.create(null); this._moduleNameCache = Object.create(null); this._modulePathCache = Object.create(null); } static findNodeModule(path, options) { const resolver = options.resolver ? /* $FlowFixMe */ require(options.resolver) : (_default_resolver || _load_default_resolver()).default; const paths = options.paths; try { return resolver(path, { basedir: options.basedir, browser: options.browser, extensions: options.extensions, moduleDirectory: options.moduleDirectory, paths: paths ? (nodePaths || []).concat(paths) : nodePaths, rootDir: options.rootDir }); } catch (e) {} return null; } resolveModule( from, moduleName, options) { const dirname = (_path || _load_path()).default.dirname(from); const paths = this._options.modulePaths; const moduleDirectory = this._options.moduleDirectories; const key = dirname + (_path || _load_path()).default.delimiter + moduleName; const defaultPlatform = this._options.defaultPlatform; const extensions = this._options.extensions.slice(); if (this._supportsNativePlatform()) { extensions.unshift.apply(extensions, _toConsumableArray( this._options.extensions.map(ext => '.' + NATIVE_PLATFORM + ext))); } if (defaultPlatform) { extensions.unshift.apply(extensions, _toConsumableArray( this._options.extensions.map(ext => '.' + defaultPlatform + ext))); } // 0. If we have already resolved this module for this directory name, // return a value from the cache. if (this._moduleNameCache[key]) { return this._moduleNameCache[key]; } // 1. Check if the module is a haste module. let module = this.getModule(moduleName); if (module) { return this._moduleNameCache[key] = module; } // 2. 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 || _load_path()).default.sep); const resolveNodeModule = name => { return 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) { return this._moduleNameCache[key] = module; } } // 3. 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 || _load_path()).default.join.apply((_path || _load_path()).default, [(_path || _load_path()).default.dirname(hastePackage)].concat(parts)); // try resolving with custom resolver first to support extensions, // then fallback to require.resolve return this._moduleNameCache[key] = resolveNodeModule(module) || require.resolve(module); } catch (ignoredError) {} } // 4. 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 || _load_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, (_is_builtin_module || _load_is_builtin_module()).default)(moduleName); } getModule(name) { return this._moduleMap.getModule( name, this._options.defaultPlatform, this._supportsNativePlatform()); } getModulePath(from, moduleName) { if (moduleName[0] !== '.' || (_path || _load_path()).default.isAbsolute(moduleName)) { return moduleName; } return (_path || _load_path()).default.normalize((_path || _load_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) { if (!this._modulePathCache[from]) { const moduleDirectory = this._options.moduleDirectories; const paths = (0, (_node_modules_paths || _load_node_modules_paths()).default)(from, { moduleDirectory }); if (paths[paths.length - 1] === undefined) { // circumvent node-resolve bug that adds `undefined` as last item. paths.pop(); } this._modulePathCache[from] = paths; } return this._modulePathCache[from]; } getModuleID( virtualMocks, from, _moduleName) { const moduleName = _moduleName || ''; const key = from + (_path || _load_path()).default.delimiter + moduleName; if (this._moduleIDCache[key]) { return this._moduleIDCache[key]; } const moduleType = this._getModuleType(moduleName); const absolutePath = this._getAbsolutPath(virtualMocks, from, moduleName); const mockPath = this._getMockPath(from, moduleName); const sep = (_path || _load_path()).default.delimiter; const id = moduleType + sep + ( absolutePath ? absolutePath + sep : '') + ( mockPath ? mockPath + sep : ''); return this._moduleIDCache[key] = id; } _getModuleType(moduleName) { return this.isCoreModule(moduleName) ? 'node' : 'user'; } _getAbsolutPath( 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 || _load_path()).default.dirname(from); const paths = this._options.modulePaths; const extensions = this._options.extensions; const moduleDirectory = this._options.moduleDirectories; const moduleNameMapper = this._options.moduleNameMapper; const resolver = this._options.resolver; if (moduleNameMapper) { for (const _ref of moduleNameMapper) {const mappedModuleName = _ref.moduleName;const regex = _ref.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) { const error = new Error( (_chalk || _load_chalk()).default.red(`${(_chalk || _load_chalk()).default.bold('Configuration error')}: Could not locate module ${(_chalk || _load_chalk()).default.bold(moduleName)} (mapped as ${(_chalk || _load_chalk()).default.bold( updatedName) }) Please check: "moduleNameMapper": { "${regex.toString()}": "${(_chalk || _load_chalk()).default.bold(mappedModuleName)}" }, "resolver": ${(_chalk || _load_chalk()).default.bold(resolver)}`)); error.stack = ''; throw error; } return module; } } } if (resolver) { // if moduleNameMapper didn't match anything, fallback to just the // regular resolver const module = this.getModule(moduleName) || Resolver.findNodeModule(moduleName, { basedir: dirname, browser: this._options.browser, extensions, moduleDirectory, paths, resolver, rootDir: this._options.rootDir }); return module; } return null; } _supportsNativePlatform() { return (this._options.platforms || []).indexOf(NATIVE_PLATFORM) !== -1; }} module.exports = Resolver;