491 lines
13 KiB
JavaScript
491 lines
13 KiB
JavaScript
'use strict';
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function _path() {
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const data = _interopRequireDefault(require('path'));
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_path = function _path() {
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return data;
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};
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return data;
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}
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function _realpathNative() {
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const data = require('realpath-native');
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_realpathNative = function _realpathNative() {
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return data;
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};
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return data;
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}
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function _chalk() {
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const data = _interopRequireDefault(require('chalk'));
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_chalk = function _chalk() {
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return data;
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};
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return data;
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}
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var _nodeModulesPaths = _interopRequireDefault(require('./nodeModulesPaths'));
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var _isBuiltinModule = _interopRequireDefault(require('./isBuiltinModule'));
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var _defaultResolver = _interopRequireDefault(require('./defaultResolver'));
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function _interopRequireDefault(obj) {
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return obj && obj.__esModule ? obj : {default: obj};
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}
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function _defineProperty(obj, key, value) {
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if (key in obj) {
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Object.defineProperty(obj, key, {
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value: value,
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enumerable: true,
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configurable: true,
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writable: true
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});
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} else {
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obj[key] = value;
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}
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return obj;
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}
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const NATIVE_PLATFORM = 'native'; // We might be inside a symlink.
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const cwd = process.cwd();
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const resolvedCwd = (0, _realpathNative().sync)(cwd) || cwd;
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const NODE_PATH = process.env.NODE_PATH;
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const nodePaths = NODE_PATH
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? NODE_PATH.split(_path().default.delimiter)
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.filter(Boolean) // The resolver expects absolute paths.
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.map(p => _path().default.resolve(resolvedCwd, p))
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: null;
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/* eslint-disable-next-line no-redeclare */
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class Resolver {
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constructor(moduleMap, options) {
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_defineProperty(this, '_options', void 0);
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_defineProperty(this, '_moduleMap', void 0);
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_defineProperty(this, '_moduleIDCache', void 0);
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_defineProperty(this, '_moduleNameCache', void 0);
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_defineProperty(this, '_modulePathCache', void 0);
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_defineProperty(this, '_supportsNativePlatform', void 0);
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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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};
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this._supportsNativePlatform = options.platforms
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? options.platforms.includes(NATIVE_PLATFORM)
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: false;
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this._moduleMap = moduleMap;
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this._moduleIDCache = new Map();
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this._moduleNameCache = new Map();
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this._modulePathCache = new Map();
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}
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static findNodeModule(path, options) {
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const resolver = options.resolver
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? require(options.resolver)
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: _defaultResolver.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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defaultResolver: _defaultResolver.default,
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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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});
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} catch (e) {}
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return null;
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}
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resolveModuleFromDirIfExists(dirname, moduleName, options) {
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const paths = (options && options.paths) || this._options.modulePaths;
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const moduleDirectory = this._options.moduleDirectories;
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const key = dirname + _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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let module;
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if (this._supportsNativePlatform) {
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extensions.unshift(
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...this._options.extensions.map(ext => '.' + NATIVE_PLATFORM + ext)
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);
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}
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if (defaultPlatform) {
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extensions.unshift(
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...this._options.extensions.map(ext => '.' + defaultPlatform + ext)
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);
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} // 1. 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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const cacheResult = this._moduleNameCache.get(key);
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if (cacheResult) {
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return cacheResult;
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} // 2. Check if the module is a haste module.
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module = this.getModule(moduleName);
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if (module) {
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this._moduleNameCache.set(key, module);
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return module;
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} // 3. Check if the module is a node module and resolve it based on
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// the node module resolution algorithm. If skipNodeResolution is given we
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// ignore all modules that look like node modules (ie. are not relative
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// requires). This enables us to speed up resolution when we build a
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// dependency graph because we don't have to look at modules that may not
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// exist and aren't mocked.
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const skipResolution =
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options &&
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options.skipNodeResolution &&
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!moduleName.includes(_path().default.sep);
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const resolveNodeModule = name =>
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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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this._moduleNameCache.set(key, module);
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return module;
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}
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} // 4. 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().default.join.apply(
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_path().default,
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[_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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const resolvedModule =
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resolveNodeModule(module) || require.resolve(module);
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this._moduleNameCache.set(key, resolvedModule);
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return resolvedModule;
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} catch (ignoredError) {}
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}
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return null;
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}
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resolveModule(from, moduleName, options) {
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const dirname = _path().default.dirname(from);
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const module =
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this.resolveStubModuleName(from, moduleName) ||
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this.resolveModuleFromDirIfExists(dirname, moduleName, options);
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if (module) return module; // 5. Throw an error if the module could not be found. `resolve.sync` only
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// produces an error based on the dirname but we have the actual current
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// module name available.
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const relativePath = _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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);
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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 (
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this._options.hasCoreModules && (0, _isBuiltinModule.default)(moduleName)
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);
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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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}
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getModulePath(from, moduleName) {
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if (moduleName[0] !== '.' || _path().default.isAbsolute(moduleName)) {
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return moduleName;
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}
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return _path().default.normalize(
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_path().default.dirname(from) + '/' + moduleName
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);
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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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}
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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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const cachedModule = this._modulePathCache.get(from);
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if (cachedModule) {
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return cachedModule;
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}
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const moduleDirectory = this._options.moduleDirectories;
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const paths = (0, _nodeModulesPaths.default)(from, {
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moduleDirectory
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});
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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.set(from, paths);
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return paths;
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}
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getModuleID(virtualMocks, from, _moduleName) {
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const moduleName = _moduleName || '';
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const key = from + _path().default.delimiter + moduleName;
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const cachedModuleID = this._moduleIDCache.get(key);
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if (cachedModuleID) {
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return cachedModuleID;
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}
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const moduleType = this._getModuleType(moduleName);
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const absolutePath = this._getAbsolutePath(virtualMocks, from, moduleName);
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const mockPath = this._getMockPath(from, moduleName);
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const sep = _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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this._moduleIDCache.set(key, id);
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return 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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_getAbsolutePath(virtualMocks, from, moduleName) {
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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(virtualMocks, from, moduleName) {
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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
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? this.resolveModule(from, moduleName)
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: 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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}
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resolveStubModuleName(from, moduleName) {
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const dirname = _path().default.dirname(from);
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const paths = this._options.modulePaths;
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const extensions = this._options.extensions.slice();
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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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const defaultPlatform = this._options.defaultPlatform;
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if (this._supportsNativePlatform) {
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extensions.unshift(
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...this._options.extensions.map(ext => '.' + NATIVE_PLATFORM + ext)
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);
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}
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if (defaultPlatform) {
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extensions.unshift(
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...this._options.extensions.map(ext => '.' + defaultPlatform + ext)
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);
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}
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if (moduleNameMapper) {
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var _iteratorNormalCompletion = true;
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var _didIteratorError = false;
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var _iteratorError = undefined;
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try {
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for (
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var _iterator = moduleNameMapper[Symbol.iterator](), _step;
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!(_iteratorNormalCompletion = (_step = _iterator.next()).done);
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_iteratorNormalCompletion = true
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) {
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const _step$value = _step.value,
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mappedModuleName = _step$value.moduleName,
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regex = _step$value.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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)
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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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});
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if (!module) {
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throw createNoMappedModuleFoundError(
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moduleName,
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updatedName,
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mappedModuleName,
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regex,
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resolver
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);
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}
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return module;
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}
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}
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} catch (err) {
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_didIteratorError = true;
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_iteratorError = err;
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} finally {
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try {
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if (!_iteratorNormalCompletion && _iterator.return != null) {
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_iterator.return();
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}
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} finally {
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if (_didIteratorError) {
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throw _iteratorError;
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}
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}
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}
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}
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return null;
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}
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}
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const createNoMappedModuleFoundError = (
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moduleName,
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updatedName,
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mappedModuleName,
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regex,
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resolver
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) => {
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const error = new Error(
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_chalk().default.red(`${_chalk().default.bold('Configuration error')}:
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Could not locate module ${_chalk().default.bold(moduleName)} mapped as:
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${_chalk().default.bold(updatedName)}.
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Please check your configuration for these entries:
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{
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"moduleNameMapper": {
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"${regex.toString()}": "${_chalk().default.bold(mappedModuleName)}"
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},
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"resolver": ${_chalk().default.bold(String(resolver))}
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}`)
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);
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error.name = '';
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return error;
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};
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module.exports = Resolver;
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