398 lines
14 KiB
JavaScript
398 lines
14 KiB
JavaScript
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'use strict';var _fs;
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function _load_fs() {return _fs = _interopRequireDefault(require('fs'));}var _path;
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function _load_path() {return _path = _interopRequireDefault(require('path'));}var _node_modules_paths;
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function _load_node_modules_paths() {return _node_modules_paths = _interopRequireDefault(require('./node_modules_paths'));}var _is_builtin_module;
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function _load_is_builtin_module() {return _is_builtin_module = _interopRequireDefault(require('./is_builtin_module'));}var _default_resolver;
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function _load_default_resolver() {return _default_resolver = _interopRequireDefault(require('./default_resolver.js'));}var _chalk;
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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);}} /**
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* Copyright (c) 2014-present, Facebook, Inc. All rights reserved.
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*
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* This source code is licensed under the MIT license found in the
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* LICENSE file in the root directory of this source tree.
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*
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*
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*/
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const NATIVE_PLATFORM = 'native';
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// We might be inside a symlink.
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const cwd = process.cwd();
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const resolvedCwd = (_fs || _load_fs()).default.realpathSync(cwd) || cwd;
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const nodePaths = process.env.NODE_PATH ?
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process.env.NODE_PATH.split((_path || _load_path()).default.delimiter).
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filter(Boolean)
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// The resolver expects absolute paths.
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.map(p => (_path || _load_path()).default.resolve(resolvedCwd, p)) :
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null;
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class Resolver {
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constructor(moduleMap, options) {
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this._options = {
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browser: options.browser,
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defaultPlatform: options.defaultPlatform,
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extensions: options.extensions,
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hasCoreModules:
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options.hasCoreModules === undefined ? true : options.hasCoreModules,
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moduleDirectories: options.moduleDirectories || ['node_modules'],
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moduleNameMapper: options.moduleNameMapper,
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modulePaths: options.modulePaths,
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platforms: options.platforms,
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resolver: options.resolver,
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rootDir: options.rootDir };
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this._moduleMap = moduleMap;
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this._moduleIDCache = Object.create(null);
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this._moduleNameCache = Object.create(null);
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this._modulePathCache = Object.create(null);
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}
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static findNodeModule(path, options) {
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const resolver = options.resolver ?
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/* $FlowFixMe */
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require(options.resolver) : (_default_resolver || _load_default_resolver()).default;
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const paths = options.paths;
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try {
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return resolver(path, {
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basedir: options.basedir,
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browser: options.browser,
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extensions: options.extensions,
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moduleDirectory: options.moduleDirectory,
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paths: paths ? (nodePaths || []).concat(paths) : nodePaths,
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rootDir: options.rootDir });
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} catch (e) {}
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return null;
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}
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resolveModule(
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from,
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moduleName,
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options)
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{
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const dirname = (_path || _load_path()).default.dirname(from);
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const paths = this._options.modulePaths;
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const moduleDirectory = this._options.moduleDirectories;
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const key = dirname + (_path || _load_path()).default.delimiter + moduleName;
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const defaultPlatform = this._options.defaultPlatform;
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const extensions = this._options.extensions.slice();
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if (this._supportsNativePlatform()) {
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extensions.unshift.apply(extensions, _toConsumableArray(
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this._options.extensions.map(ext => '.' + NATIVE_PLATFORM + ext)));
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}
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if (defaultPlatform) {
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extensions.unshift.apply(extensions, _toConsumableArray(
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this._options.extensions.map(ext => '.' + defaultPlatform + ext)));
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}
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// 0. If we have already resolved this module for this directory name,
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// return a value from the cache.
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if (this._moduleNameCache[key]) {
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return this._moduleNameCache[key];
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}
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// 1. Check if the module is a haste module.
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let module = this.getModule(moduleName);
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if (module) {
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return this._moduleNameCache[key] = module;
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}
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// 2. Check if the module is a node module and resolve it based on
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// the node module resolution algorithm.
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// If skipNodeResolution is given we ignore all modules that look like
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// node modules (ie. are not relative requires). This enables us to speed
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// up resolution when we build a dependency graph because we don't have
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// to look at modules that may not exist and aren't mocked.
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const skipResolution =
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options && options.skipNodeResolution && !moduleName.includes((_path || _load_path()).default.sep);
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const resolveNodeModule = name => {
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return Resolver.findNodeModule(name, {
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basedir: dirname,
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browser: this._options.browser,
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extensions,
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moduleDirectory,
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paths,
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resolver: this._options.resolver,
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rootDir: this._options.rootDir });
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};
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if (!skipResolution) {
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module = resolveNodeModule(moduleName);
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if (module) {
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return this._moduleNameCache[key] = module;
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}
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}
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// 3. Resolve "haste packages" which are `package.json` files outside of
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// `node_modules` folders anywhere in the file system.
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const parts = moduleName.split('/');
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const hastePackage = this.getPackage(parts.shift());
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if (hastePackage) {
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try {
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const module = (_path || _load_path()).default.join.apply((_path || _load_path()).default,
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[(_path || _load_path()).default.dirname(hastePackage)].concat(parts));
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// try resolving with custom resolver first to support extensions,
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// then fallback to require.resolve
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return this._moduleNameCache[key] =
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resolveNodeModule(module) || require.resolve(module);
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} catch (ignoredError) {}
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}
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// 4. Throw an error if the module could not be found. `resolve.sync`
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// only produces an error based on the dirname but we have the actual
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// current module name available.
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const relativePath = (_path || _load_path()).default.relative(dirname, from);
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const err = new Error(
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`Cannot find module '${moduleName}' from '${relativePath || '.'}'`);
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err.code = 'MODULE_NOT_FOUND';
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throw err;
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}
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isCoreModule(moduleName) {
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return this._options.hasCoreModules && (0, (_is_builtin_module || _load_is_builtin_module()).default)(moduleName);
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}
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getModule(name) {
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return this._moduleMap.getModule(
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name,
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this._options.defaultPlatform,
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this._supportsNativePlatform());
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}
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getModulePath(from, moduleName) {
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if (moduleName[0] !== '.' || (_path || _load_path()).default.isAbsolute(moduleName)) {
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return moduleName;
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}
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return (_path || _load_path()).default.normalize((_path || _load_path()).default.dirname(from) + '/' + moduleName);
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}
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getPackage(name) {
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return this._moduleMap.getPackage(
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name,
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this._options.defaultPlatform,
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this._supportsNativePlatform());
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}
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getMockModule(from, name) {
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const mock = this._moduleMap.getMockModule(name);
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if (mock) {
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return mock;
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} else {
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const moduleName = this._resolveStubModuleName(from, name);
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if (moduleName) {
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return this.getModule(moduleName) || moduleName;
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}
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}
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return null;
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}
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getModulePaths(from) {
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if (!this._modulePathCache[from]) {
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const moduleDirectory = this._options.moduleDirectories;
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const paths = (0, (_node_modules_paths || _load_node_modules_paths()).default)(from, { moduleDirectory });
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if (paths[paths.length - 1] === undefined) {
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// circumvent node-resolve bug that adds `undefined` as last item.
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paths.pop();
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}
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this._modulePathCache[from] = paths;
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}
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return this._modulePathCache[from];
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}
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getModuleID(
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virtualMocks,
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from,
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_moduleName)
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{
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const moduleName = _moduleName || '';
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const key = from + (_path || _load_path()).default.delimiter + moduleName;
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if (this._moduleIDCache[key]) {
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return this._moduleIDCache[key];
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}
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const moduleType = this._getModuleType(moduleName);
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const absolutePath = this._getAbsolutPath(virtualMocks, from, moduleName);
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const mockPath = this._getMockPath(from, moduleName);
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const sep = (_path || _load_path()).default.delimiter;
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const id =
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moduleType +
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sep + (
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absolutePath ? absolutePath + sep : '') + (
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mockPath ? mockPath + sep : '');
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return this._moduleIDCache[key] = id;
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}
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_getModuleType(moduleName) {
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return this.isCoreModule(moduleName) ? 'node' : 'user';
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}
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_getAbsolutPath(
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virtualMocks,
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from,
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moduleName)
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{
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if (this.isCoreModule(moduleName)) {
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return moduleName;
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}
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return this._isModuleResolved(from, moduleName) ?
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this.getModule(moduleName) :
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this._getVirtualMockPath(virtualMocks, from, moduleName);
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}
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_getMockPath(from, moduleName) {
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return !this.isCoreModule(moduleName) ?
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this.getMockModule(from, moduleName) :
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null;
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}
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_getVirtualMockPath(
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virtualMocks,
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from,
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moduleName)
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{
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const virtualMockPath = this.getModulePath(from, moduleName);
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return virtualMocks[virtualMockPath] ?
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virtualMockPath :
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moduleName ? this.resolveModule(from, moduleName) : from;
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}
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_isModuleResolved(from, moduleName) {
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return !!(
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this.getModule(moduleName) || this.getMockModule(from, moduleName));
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}
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_resolveStubModuleName(from, moduleName) {
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const dirname = (_path || _load_path()).default.dirname(from);
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const paths = this._options.modulePaths;
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const extensions = this._options.extensions;
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const moduleDirectory = this._options.moduleDirectories;
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const moduleNameMapper = this._options.moduleNameMapper;
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const resolver = this._options.resolver;
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if (moduleNameMapper) {
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for (const _ref of moduleNameMapper) {const mappedModuleName = _ref.moduleName;const regex = _ref.regex;
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if (regex.test(moduleName)) {
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// Note: once a moduleNameMapper matches the name, it must result
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// in a module, or else an error is thrown.
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const matches = moduleName.match(regex);
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const updatedName = matches ?
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mappedModuleName.replace(
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/\$([0-9]+)/g,
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(_, index) => matches[parseInt(index, 10)]) :
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mappedModuleName;
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const module =
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this.getModule(updatedName) ||
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Resolver.findNodeModule(updatedName, {
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basedir: dirname,
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browser: this._options.browser,
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extensions,
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moduleDirectory,
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paths,
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resolver,
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rootDir: this._options.rootDir });
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if (!module) {
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const error = new Error(
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(_chalk || _load_chalk()).default.red(`${(_chalk || _load_chalk()).default.bold('Configuration error')}:
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Could not locate module ${(_chalk || _load_chalk()).default.bold(moduleName)} (mapped as ${(_chalk || _load_chalk()).default.bold(
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updatedName)
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})
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Please check:
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"moduleNameMapper": {
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"${regex.toString()}": "${(_chalk || _load_chalk()).default.bold(mappedModuleName)}"
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},
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"resolver": ${(_chalk || _load_chalk()).default.bold(resolver)}`));
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error.stack = '';
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throw error;
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}
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return module;
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}
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}
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}
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if (resolver) {
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// if moduleNameMapper didn't match anything, fallback to just the
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// regular resolver
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const module =
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this.getModule(moduleName) ||
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Resolver.findNodeModule(moduleName, {
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basedir: dirname,
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browser: this._options.browser,
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extensions,
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moduleDirectory,
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||
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paths,
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resolver,
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||
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rootDir: this._options.rootDir });
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||
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return module;
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}
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return null;
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}
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_supportsNativePlatform() {
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||
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return (this._options.platforms || []).indexOf(NATIVE_PLATFORM) !== -1;
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}}
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module.exports = Resolver;
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