forked from M3-Academy/challenge-algorithms-v2.0
250 lines
7.5 KiB
JavaScript
250 lines
7.5 KiB
JavaScript
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'use strict';
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Object.defineProperty(exports, '__esModule', {
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value: true
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});
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exports.default = void 0;
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var _constants = _interopRequireDefault(require('./constants'));
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var fastPath = _interopRequireWildcard(require('./lib/fast_path'));
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function _getRequireWildcardCache(nodeInterop) {
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if (typeof WeakMap !== 'function') return null;
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var cacheBabelInterop = new WeakMap();
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var cacheNodeInterop = new WeakMap();
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return (_getRequireWildcardCache = function (nodeInterop) {
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return nodeInterop ? cacheNodeInterop : cacheBabelInterop;
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})(nodeInterop);
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}
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function _interopRequireWildcard(obj, nodeInterop) {
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if (!nodeInterop && obj && obj.__esModule) {
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return obj;
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}
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if (obj === null || (typeof obj !== 'object' && typeof obj !== 'function')) {
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return {default: obj};
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}
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var cache = _getRequireWildcardCache(nodeInterop);
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if (cache && cache.has(obj)) {
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return cache.get(obj);
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}
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var newObj = {};
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var hasPropertyDescriptor =
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Object.defineProperty && Object.getOwnPropertyDescriptor;
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for (var key in obj) {
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if (key !== 'default' && Object.prototype.hasOwnProperty.call(obj, key)) {
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var desc = hasPropertyDescriptor
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? Object.getOwnPropertyDescriptor(obj, key)
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: null;
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if (desc && (desc.get || desc.set)) {
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Object.defineProperty(newObj, key, desc);
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} else {
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newObj[key] = obj[key];
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}
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}
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}
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newObj.default = obj;
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if (cache) {
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cache.set(obj, newObj);
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}
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return newObj;
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}
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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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/**
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* Copyright (c) Facebook, Inc. and its affiliates. 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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const EMPTY_OBJ = {};
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const EMPTY_MAP = new Map();
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class ModuleMap {
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static DuplicateHasteCandidatesError;
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_raw;
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json;
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static mapToArrayRecursive(map) {
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let arr = Array.from(map);
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if (arr[0] && arr[0][1] instanceof Map) {
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arr = arr.map(el => [el[0], this.mapToArrayRecursive(el[1])]);
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}
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return arr;
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}
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static mapFromArrayRecursive(arr) {
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if (arr[0] && Array.isArray(arr[1])) {
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arr = arr.map(el => [el[0], this.mapFromArrayRecursive(el[1])]);
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}
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return new Map(arr);
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}
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constructor(raw) {
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this._raw = raw;
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}
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getModule(name, platform, supportsNativePlatform, type) {
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if (type == null) {
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type = _constants.default.MODULE;
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}
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const module = this._getModuleMetadata(
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name,
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platform,
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!!supportsNativePlatform
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);
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if (module && module[_constants.default.TYPE] === type) {
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const modulePath = module[_constants.default.PATH];
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return modulePath && fastPath.resolve(this._raw.rootDir, modulePath);
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}
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return null;
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}
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getPackage(name, platform, _supportsNativePlatform) {
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return this.getModule(name, platform, null, _constants.default.PACKAGE);
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}
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getMockModule(name) {
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const mockPath =
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this._raw.mocks.get(name) || this._raw.mocks.get(`${name}/index`);
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return mockPath && fastPath.resolve(this._raw.rootDir, mockPath);
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}
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getRawModuleMap() {
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return {
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duplicates: this._raw.duplicates,
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map: this._raw.map,
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mocks: this._raw.mocks,
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rootDir: this._raw.rootDir
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};
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}
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toJSON() {
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if (!this.json) {
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this.json = {
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duplicates: ModuleMap.mapToArrayRecursive(this._raw.duplicates),
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map: Array.from(this._raw.map),
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mocks: Array.from(this._raw.mocks),
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rootDir: this._raw.rootDir
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};
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}
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return this.json;
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}
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static fromJSON(serializableModuleMap) {
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return new ModuleMap({
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duplicates: ModuleMap.mapFromArrayRecursive(
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serializableModuleMap.duplicates
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),
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map: new Map(serializableModuleMap.map),
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mocks: new Map(serializableModuleMap.mocks),
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rootDir: serializableModuleMap.rootDir
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});
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}
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/**
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* When looking up a module's data, we walk through each eligible platform for
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* the query. For each platform, we want to check if there are known
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* duplicates for that name+platform pair. The duplication logic normally
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* removes elements from the `map` object, but we want to check upfront to be
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* extra sure. If metadata exists both in the `duplicates` object and the
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* `map`, this would be a bug.
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*/
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_getModuleMetadata(name, platform, supportsNativePlatform) {
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const map = this._raw.map.get(name) || EMPTY_OBJ;
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const dupMap = this._raw.duplicates.get(name) || EMPTY_MAP;
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if (platform != null) {
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this._assertNoDuplicates(
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name,
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platform,
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supportsNativePlatform,
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dupMap.get(platform)
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);
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if (map[platform] != null) {
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return map[platform];
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}
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}
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if (supportsNativePlatform) {
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this._assertNoDuplicates(
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name,
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_constants.default.NATIVE_PLATFORM,
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supportsNativePlatform,
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dupMap.get(_constants.default.NATIVE_PLATFORM)
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);
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if (map[_constants.default.NATIVE_PLATFORM]) {
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return map[_constants.default.NATIVE_PLATFORM];
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}
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}
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this._assertNoDuplicates(
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name,
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_constants.default.GENERIC_PLATFORM,
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supportsNativePlatform,
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dupMap.get(_constants.default.GENERIC_PLATFORM)
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);
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if (map[_constants.default.GENERIC_PLATFORM]) {
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return map[_constants.default.GENERIC_PLATFORM];
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}
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return null;
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}
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_assertNoDuplicates(name, platform, supportsNativePlatform, relativePathSet) {
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if (relativePathSet == null) {
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return;
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}
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// Force flow refinement
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const previousSet = relativePathSet;
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const duplicates = new Map();
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for (const [relativePath, type] of previousSet) {
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const duplicatePath = fastPath.resolve(this._raw.rootDir, relativePath);
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duplicates.set(duplicatePath, type);
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}
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throw new DuplicateHasteCandidatesError(
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name,
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platform,
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supportsNativePlatform,
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duplicates
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);
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}
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static create(rootDir) {
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return new ModuleMap({
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duplicates: new Map(),
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map: new Map(),
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mocks: new Map(),
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rootDir
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});
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}
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}
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exports.default = ModuleMap;
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class DuplicateHasteCandidatesError extends Error {
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hasteName;
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platform;
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supportsNativePlatform;
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duplicatesSet;
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constructor(name, platform, supportsNativePlatform, duplicatesSet) {
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const platformMessage = getPlatformMessage(platform);
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super(
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`The name \`${name}\` was looked up in the Haste module map. It ` +
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'cannot be resolved, because there exists several different ' +
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'files, or packages, that provide a module for ' +
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`that particular name and platform. ${platformMessage} You must ` +
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`delete or exclude files until there remains only one of these:\n\n${Array.from(
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duplicatesSet
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)
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.map(
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([dupFilePath, dupFileType]) =>
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` * \`${dupFilePath}\` (${getTypeMessage(dupFileType)})\n`
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)
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.sort()
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.join('')}`
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);
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this.hasteName = name;
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this.platform = platform;
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this.supportsNativePlatform = supportsNativePlatform;
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this.duplicatesSet = duplicatesSet;
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}
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}
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function getPlatformMessage(platform) {
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if (platform === _constants.default.GENERIC_PLATFORM) {
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return 'The platform is generic (no extension).';
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}
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return `The platform extension is \`${platform}\`.`;
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}
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function getTypeMessage(type) {
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switch (type) {
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case _constants.default.MODULE:
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return 'module';
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case _constants.default.PACKAGE:
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return 'package';
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}
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return 'unknown';
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}
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ModuleMap.DuplicateHasteCandidatesError = DuplicateHasteCandidatesError;
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